Self-tension cloth storage device

The invention provides a cloth accumulator with self tension, which is provided with upper rollers and lower rollers reversely. The cloth moves in a Z-shaped way alternately on the upper and the lowerrollers. The cloth accumulator with self tension is characterized in that: a transmission mechanism is arranged in a cloth storage box in rectangular frame shape; the top frame and the bottom frame of the rectangular frame are provided with a top rob and a bottom rob that are provided with sprocket wheels respectively; an annular gearing chain which forms the chain and sprocket transmission mechanism with the sprocket wheels which are positioned at the corresponding positions of the ends of the top and the bottom robs is arranged on the frames at the two sides of the rectangular frame. An upper roller shelf and a lower roller shelf are hung and arranged at the different sides of the annular gearing chain to form reverse movement between the upper roller shelf and lower roller shelf. The invention ...

Method of preparing back coated real leather intimating synthetic leather

The invention discloses a method for manufacturing back-coated skin-imitated synthetic leather. The method comprises: coating wet-process PU slurry onto the surface of base cloth to form a base green body; after solidifying and washing the base green body, coating foaming slurry on the back of the base green body; washing and drying the base green body and foaming the base green body to form wet-process crust leather; and finally grinding the back of the wet-process crust leather and carrying out dry-process release paper pattern transfer to the front of the wet-process crust leather, whereinthe foaming slurry comprises foaming resin ST-1030 or ST-1040, dimethylformamide (DMF), a foaming agent and so on. The method uses the prior synthesis device and research on special foaming slurry tocarry out once forming process of the skin-imitated synthetic leather, namely, the method simplifies the prior post processing processes for producing skin-imitated synthetic leather such as pile coating ...

Self-tension cloth storage device

The invention provides a cloth accumulator with self tension, which is provided with upper rollers and lower rollers reversely. The cloth moves in a Z-shaped way alternately on the upper and the lower rollers. The cloth accumulator with self tension is characterized in that: a transmission mechanism is arranged in cloth storage box in rectangular frame shape; the top frame and the bottom frame of the rectangular frame are provided with a top rob and a bottom rob that are provided with sprocket wheels respectively; an annular gearing chain which forms the chain and sprocket transmission mechanism with the sprocket wheels which are positioned at the corresponding positions of the ends of the top and the bottom robs is arranged on the frames at the two sides of the rectangular frame. An upper roller shelf and a lower roller shelf are hung and arranged at the different sides of the annular gearing chain to form the reverse movement between the upper roller shelf and lower roller shelf. The ...

Mobile cloth-jointing sewing machine

The invention relates to a movable cloth-connecting sewing machine which is characterized by comprising a cloth clamp with a pressure-bearing rod and an upper pressure rod, wherein the pressure-bearing rod and the upper pressure rod are arranged in parallel on a production line in the width direction of cloth to be connected and can correspondingly move in the radial direction to form two position states, i.e., the upper pressure rod presses and abuts on the pressure-bearing rod to be in a cloth-clamping state, or the upper pressure rod and the pressure-bearing rod are separated to be in a cloth-loosening state; a linear rail parallel to the pressure-bearing rod is arranged, a movable block capable of sliding along with the linear rail is matched and arranged on the linear rail, and a sewing machine head facing the cloth clamp is fixedly arranged on the movable block by a cantilever-type machine base. The invention can satisfy the requirements of the synthetic leather industry to finish ...

Large-scale efficient automatic batching system

The invention discloses a large-scale efficient automatic batching system. The batching system includes a batching control system, and the batching system also includes a plurality of parallel reactors (1), a plurality of parallel resin tanks (2), a mobile chemical storage tank (3), a plurality of assistant storage tanks (4), a plurality of color paste tanks (5), a plurality of parallel powder material conveying pipelines (6) and a plurality of parallel liquid material conveying pipelines (7); and resin in the chemical storage tank is added into the resin tanks through self weight and nitrogen pressure and then enters the reactors through the liquid material conveying pipelines, and an assistant and a color paste enter the reactor through a color and assistant dispenser. The batching system improves the batching efficiency and the utilization ratio of the reactors, greatly improves the batching speed, simultaneously solves a problem that highly viscose resin cannot be conveyed through present ...

Dry method small experiment machine for chemical leather

The invention relates to a dry-method small experiment machine for synthetic leather, which is characterized in that: one end of a small experiment platform is provided with an unwinding mechanism, and the other end of the small experiment platform is provided with a leather winding mechanism and a paper winding mechanism arranged at the front end of a cooling-drawing mechanism; a coating mechanism, a wet sticking mechanism, an oven and a dry sticking mechanism are orderly arranged along a line from the unwinding mechanism to the cooling-drawing mechanism; release paper placed in the unwinding mechanism orderly passes through the coating mechanism, the wet sticking mechanism, the oven and the dry sticking mechanism, and then is wound in the paper winding mechanism via the cooling-drawing mechanism; the release paper can be drawn and moved in forward and reverse directions between the unwinding mechanism and the paper winding mechanism. The machine has the functions of production lines, ...

Mobile cloth-jointing sewing machine

The invention relates to a movable cloth-connecting sewing machine which is characterized by comprising a cloth clamp with a pressure-bearing rod and an upper pressure rod, wherein the pressure-bearing rod and the upper pressure rod are arranged in parallel on a production line in the width direction of cloth to be connected and can correspondingly move in the radial direction to form two position states, i.e., the upper pressure rod presses and abuts on the pressure-bearing rod to be in a cloth-clamping state, or the upper pressure rod and the pressure-bearing rod are separated to be in a cloth-loosening state; a linear rail parallel to the pressure-bearing rod is arranged, a movable block capable of sliding along with the linear rail is matched and arranged on the linear rail, and a sewing machine head facing the cloth clamp is fixedly arranged on the movable block by a cantilever-type machine base. The invention can satisfy the requirements of the synthetic leather industry to finish ...

Dry method sample small bake oven

Center coiling type synthetic leather product inspection machine

Center coiling type synthetic leather product inspection machine

The invention relates to a center-winding synthetic leather finished product inspecting machine which is characterized in that inspected products are guided out from an unwinding roller in an unwinding unit and passes through a transitional roller on an inspecting table after passing through the inspecting table, then is drawn by a draw roller in a winding unit and wound on a center-winding rod of the winding unit; the tension of the unwinding unit can be adjusted; the center-winding rod is driven by the draw roller and the linear speed of the center-winding rod is consistent with that of the draw roller. The invention improves surface friction winding into center-winding winding, eliminates the friction between the synthetic leather and a roller group, effectively avoids that substrate stripe is formed on the surface of the synthetic leather and ensures the quality of the products, with reliable work in the process of inspection.

Method of preparing back coated real leather intimating synthetic leather

The invention discloses a method for manufacturing back-coated skin-imitated synthetic leather. The method comprises: coating wet-process PU slurry onto the surface of base cloth to form a base green body; after solidifying and washing the base green body, coating foaming slurry on the back of the base green body; washing and drying the base green body and foaming the base green body to form wet-process crust leather; and finally grinding the back of the wet-process crust leather and carrying out dry-process release paper pattern transfer to the front of the wet-process crust leather, wherein the foaming slurry comprises foaming resin ST-1030 or ST-1040, dimethylformamide (DMF), a foaming agent and so on. The method uses the prior synthesis device and research on special foaming slurry to carry out once forming process of the skin-imitated synthetic leather, namely, the method simplifies the prior post processing processes for producing skin-imitated synthetic leather such as pile coating ...

Dry method small experiment machine for chemical leather

Dry method sample small bake oven

The invention discloses a small heating oven of dry test samples, which is characterized in that a fan is arranged on the top of an oven body, and fan leaves are suspended above the test samples; the oven body and a door body take the material of stainless steels that are arranged integrally and in interlayers that are filled with heat insulator; a horizontal bracket is arranged above a heating pipe inside the oven body, the door body at the height of the horizontal bracket is opened with a sample feeding orifice, a test sample shelf can be inserted into the sample feeding orifice, takes the horizontal bracket as a guide rail, and can be kept on the horizontal bracket, the rear part of the test sample shelf is fixedly connected with an orifice blockage board that can block the sample feeding orifice, and the outer part of the orifice blockage board is fixedly connected with an operating handle. The small parching oven of the test samples has the advantages in all aspects such as energy-saving ...