All-round internal back-off demoulding mechanism

The invention discloses an all-round internal back-off demoulding mechanism which comprises an upper fixed plate, a mold cavity fixed plate, a mold cavity, a mold core, a mold core fixed plate, an upper ejector plate, a lower ejector plate, a support column, a lower fixed plate, an ejector block, an ejector block connecting rod, an ejector rob for injection molding machines, an auxiliary ejector plate, a secondary ejection mechanism and product separation mechanisms, wherein the auxiliary ejector plate is connected with the ejector rob for injection molding machines, the secondary ejection mechanism is mainly arranged between the auxiliary ejector plate and the lower ejector plate, and the product separation mechanisms are respectively arranged between the upper ejector plate and the ejector block as well as between the lower ejector plate and the ejector block. The all-round internal back-off demoulding mechanism disclosed by the invention has the advantages that the upper ejector plate ...

Cushion block group

The utility model discloses a cushion block group, which comprises a plurality of cushion blocks of different thicknesses. Supports of different thicknesses are formed by the combination of the cushion blocks of different thicknesses. When a workpiece is to be machined with an inclined hole or an inclined groove, a proper cushion block is formed by the combination of the cushion blocks of different thicknesses according to the height requirement of the workpiece. Due to the adoption of the cushion block group, the condition in the prior art that cushion blocks of corresponding heights are manufactured according to different thickness requirements is avoided. The universality of cushion blocks is realized and the utilization efficiency of cushion blocks is increased. Meanwhile, during the machining of a workpiece, cushion blocks of different thicknesses are combined together so as to form a cushion block of a required thickness, so that the condition in the prior art that cushion blocks ...

Solar energy heat storage groundwater heating device

The invention relates to a solar energy heat storage groundwater heating device, which consists of a shell, a heat storage layer, a groundwater heater and a solar energy heat radiator. The shell is of a hollow chamber with two open ends, a front end cover and a black end cover are covered on two end openings of the shell, and the shell is provided with seal rings used for sealing the shell into a sealed hollow chamber; side walls of the shell are provided with an interlayer which is filled with heat insulating materials to form a heat insulating layer; a heat storage layer is filled in the shell; the groundwater heater and the solar energy heat radiator are enclosed in the heat storage layer; and both the groundwater heater and the solar energy heat radiator are made of heat-conducting metals. By utilizing two kinds of renewable energy sources such as the solar energy and the groundwater, coefficients of heating performance and energy conservation effect of a heat pump are greatly improved ...

Fixture

The invention discloses a fixture, used with a jaw vice or flat tongs coordinately. The fixture comprises a jaw iron connected with the jaw vice or flat tongs, a fixture block movably connected with the jaw iron wherein the jaw iron is provided with a groove the cross section of which is in most half circular arc shape, one surface of the fixture block is provided with a projected rotating shaft which can be contained by the groove of the jaw iron, and the other surface relative to the rotating shaft is provided with a V shape opening, and the V shape opening is vertical to the axis of the rotating shaft. When applying the fixture provided by the embodiment of the invention, the fixture block can rotate in the groove of the jaw iron in certain angle range when clamping taper or slope workpiece, thus the plane part of the surface provided with the V shape opening or the V shape opening is partially contacted or adhered with the inclined plane of the taper or slope work piece by adjusting ...

Embedded inflating type optical fibre cable distribution box

The present invention relates to a buried type inflatable optical cable joint box and belongs to the optical cable transmission technical field. A top side of a joint box body is a sealing strip; a sealed groove is arranged on the sealing strip. Fibre guide grooves are respectively arranged on the periphery of the box body and the upper part of the corner. A cable inlet box is arranged on the lower part of one side of the box body; the base of the cable inlet box is fixed on the box wall and is cooperated with an upper cover to form a cable inlet hole. An optical cable fixed support plate is arranged on the box wall of the lower part of the fibre guide groove in the same side of the cable inlet box; a fibre cable fixed piece is arranged on the optical cable fixed support plate. A welding box is arranged on the box body of the lower part of the fibre guide groove. A bearing disk bracket is arranged in the box body; the side of the bearing disk is provided with a bearing disk slot. The optical ...

Arc shaped slider core puller and mold using same

The invention discloses a mold using an arc shaped slider core puller, which comprises an upper panel, a mold cavity fixing plate, a mold cavity, a mold core, a mold core fixing plate, an arc shaped slider, a location pin and a barb, wherein the location pin is fixed on the arc shaped slider, and the barb is fixed on the upper panel and is connected with the location pin. In the mold, by the matching of the barb and the location pin, the arc shaped slider completes arc shaped core pulling movement. Compared with a mold of the prior art, which uses a rack wheel to drive the arc shaped slider to complete the arc shaped core pulling movement, the mold provided by the invention uses simple parts of the barb and the location pin so that the production and assembly of the mold can be realized easily with reduced cost; and moreover, since the barb and the location pin have simple structure and high strength and can not be damaged easily, the mold is easy to maintain, thereby greatly reducing the ...

Mechanical line-cutting data processing method, device and system based on UG (Unigraphics) platform

The embodiment of the invention discloses a mechanical line-cutting data processing method, device and system based on a UG (Unigraphics) platform. The line-cutting data processing method based on the UG operating platform comprises the following steps: through integrally identifying picture lines of a workpiece to be cut, setting cutting parameters, selecting a contour and generating corresponding executable codes, realizing the data processing of a three-dimensional picture. Therefore, the processing requirements of the three-dimensional picture corresponding to the processed component are met and the defects of complicated conversion and high cost caused by the fact that a two-dimensional picture needs to be converted in the prior art are overcome. Compared with the prior art, the automatic programming function is improved by the data processing method, and the data processing method can be used for detecting and processing a workpiece with a tapered contour, thereby solving the problems ...

Robot electric cable propeller based on water-dressing method for cable operation

Clip board for manhole terminal optic cable tension and its preparation method

Internal-division-type fender injection mold and injection molding method of fender

The invention provides an internal-division-type fender injection mold and an injection molding method of a fender, and relates to the field of injection molds. An inclined ejection block and a slide block are combined to eject the fender while opening the mold; in order to ensure the balance and synchronization of the ejection, a heavy-duty draw hook installed on the movable side draws a push plate at the fixed side while opening the mold, a shift block, the inclined ejection block and the slide block are uniformly driven to move by the push plate, so that the fender is ejected and left on the female mold cavity; and the fender is taken down by a manipulator. The mold stripping mode solves the problem of difficulty in mold stripping in the internal-division-type fender injection mold, so that the round inverted in the female mold can be smoothly demolded, and the round of the product can not be scratched or deformed.

Mechanical line-cutting data processing method, device and system based on UG (Unigraphics) platform

The embodiment of the invention discloses a mechanical line-cutting data processing method, device and system based on a UG (Unigraphics) platform. The line-cutting data processing method based on the UG operating platform comprises the following steps: through integrally identifying picture lines of a workpiece to be cut, setting cutting parameters, selecting a contour and generating corresponding executable codes, realizing the data processing of a three-dimensional picture. Therefore, the processing requirements of the three-dimensional picture corresponding to the processed component are met and the defects of complicated conversion and high cost caused by the fact that a two-dimensional picture needs to be converted in the prior art are overcome. Compared with the prior art, the automatic programming function is improved by the data processing method, and the data processing method can be used for detecting and processing a workpiece with a tapered contour, thereby solving the problems ...

Demoulding mechanism of periphery inward back-off type

The utility model discloses a demoulding mechanism of periphery inward back-off type, which comprises an upper fixing plate, a cavity fixing plate, a cavity, a core, a core fixing plate, an upper ejector retainer plate, a lower ejector retainer plate, a support post, a lower fixing plate, an ejector block, an ejector block connecting rod, an ejector pin of an injection molding machine, an auxiliary ejector retainer plate which is connected with the ejector pin of the injection molding machine, a secondary ejector mechanism which is mainly arranged between the auxiliary ejector retainer plate and the lower ejector retainer plate, and product separating mechanisms which are arranged between the upper ejector retainer plate and the ejector block, and between the lower ejector retainer plate and the ejector block. The demoulding mechanism of periphery inward back-off type pushes the upper ejector retainer plate and the lower ejector retainer plate to move upwards through the secondary ejector ...

Device for testing ejection of small-sized and medium-sized molds

The embodiment of the utility model discloses a device for testing the ejection of small-sized and medium-sized molds. The device comprises a main body and a jack, wherein mounting holes are arranged on a first end face of the main body; the jack is fixed inside the main body; and the ejection part of the jack can extend out of the first end face of the main body. The device is used for testing the ejection of the molds before the molds are mounted on an injection-molding machine, so that the problems possibly existing in the ejection can be discovered and solved in advance, the unnecessary repeated machining is reduced, the time for testing the molds is saved, the damage to parts of the molds due to the ejection is avoided, and the reliability for the ejection of the molds when the molds are tested can be ensured.

一种果树抗黄液体肥施用方法

A method for applying the yellowing-resistant liquid fertilizer to fruit tree includes such steps as preparing said yellowing-resistant liquid fertilizer, loading the prepared liquid fertilizer into a container with cover, drilling more than one hole on the trunk of fruit tree, reversely hanging said container full of said liquid fertilizer from said fruit tree, and using the tubes to communicate the container with said holes on the trunk. Its advantages are quickly taking its effect and low dosage.

Mold and interchangeable insert applied to same

The invention discloses a mold and an interchangeable insert applied to the same. The mold at least comprises an interchangeable insert provided with two product versions. When the product version insert needs changing, and after a fixing bolt on the interchangeable insert is disassembled, a spring-ejecting mechanism arranged below the interchangeable insert can eject the interchangeable insert for a short distance to separate the interchangeable insert from a mold core, so that an operator can completely pull the interchangeable insert out of the mold core without external force; and the side of the interchangeable insert to be produced with the product version is horizontally rotated to a working side of the mold, and is downwards pressed into the mold core and fixed. Besides, a water supply hose on a cooling water channel can rotate together with a rotating shaft fixedly connected to the interchangeable insert, so the cooling water channel is not needed to be disassembled when the interchangeable ...

Injection mould and secondary ejection mechanism of injection mould

The embodiment of the utility model discloses a secondary ejection mechanism which comprises an upper ejector pin plate, a lower ejector pin plate, a bottom plate and an inverse buckle ejector pin; the lower ejector pin plate is positioned between the upper ejector pin plate and the bottom plate; the inverse buckle ejector pin penetrates through the upper ejector pin plate; the secondary ejector mechanism further comprises a limit sleeve, a guide sleeve, a return spring and a return rod, wherein the internal of the limit sleeve is fixed with one end of the inverse buckle ejector pin; the limit sleeve can be arranged in the upper ejector pin plate in a sliding manner; the guide sleeve can be arranged in the lower ejector pin plate in the sliding manner; the internal of the guide sleeve can be used for accommodating the limit sleeve; the return rod can be arranged inside the guide sleeve through the return spring in the sliding manner. Therefore, several parts are only required to be embedded ...

Clip board for manhole terminal optic cable tension and its preparation method

The invention relates to a clip board for tensioning terminal cable of artificial well and a manufacture method thereof, which belongs to the field of cable equipment technology. The clip board has a meniscus-shaped main body provided with fixing holes on both ends, a force bearing lug arranged on the inner side of the main body, and a line pulling hole provided on the force bearing lug, wherein the force bearing lug has a thickness of 1.2 to 2 times the thickness of the main body. The manufacture method comprises the following steps of: first paving a fiber layer according to the meniscus-shaped surface of the tensioned clip board and brushing liquid cement thereon, making the liquid cement permeat into the fiber layer; and paving the fiber layer on the liquid cement on the force bearing lug; repeating above steps until achieving a desired thickness, and curing at room temperature to obtain the tensioned clip board. The inventive clip board is made of composite material with good corrosion ...

Universal fixture

The invention discloses a universal fixture, which comprises support pillars and support seats, wherein each support pillar comprises a hemispherical turning part, a cylindrical empty-avoiding platform connected with the turning part, and a cylindrical positioning platform connected with the cylindrical empty-avoiding platform and provided with screw threads; and each supporting seat is provided with a hemispherical groove matched with the turning part. The universal fixture is used by the following steps that: four screw holes are punched on a work piece on which inclined holes or chutes need machining; the four support pillars are taken out; the positioning platforms of each support pillar are screwed into the four screw holes on the work piece respectively; the four support seats with preset heights are placed on a workbench of a three-shaft machine tool; the work piece is lifted and the turning parts of the four support pillars arranged on the work piece are sleeved onto the grooves ...

Ventilation structure for foaming mould

The invention discloses a ventilation structure for a foaming mould. The structure comprises a first vent hole, a second vent hole, a piston groove, a dredging hole, a plug and a piston rod, wherein the first vent hole is communicated with the outside of the foaming mould; the second vent hole is arranged inside the foaming mould, and is communicated with the first vent hole; the top of the piston groove is communicated with the second vent hole; one end of the dredging hole is communicated with the bottom of the piston groove, while the other end is communicated with the outside of the foaming mould; the plug is arranged on the bottom of the piston groove; and the piston rod is arranged inside the piston groove; one end of the piston rod is adapted to the second vent hole, and can make piston motion relatively to the second vent hole; the outer surface in the middle of the piston rod is closely attached to the inner wall of the piston groove; and the outer diameter of the other end of ...

耐碱多元素硅酸盐生物肥及其制备方法

An alkali-resistant multi-element silicate biofertilizer contains silicate biofertilizer, the complex of Fe, Cu, Mn and Zn to organic acid, and inorganic compound of B and Mo through proportional mixing, sterilizing, granulating and drying. It is suitable for alkaline soil.