Grinding device for clothing thermoplastic polyurethane elastomer

Abstract

The utility model discloses a clothing thermoplastic polyurethane elastomer milling device, which comprises a milling box, a milling part and a feeding frame, the milling box comprises a discharge port arranged at the bottom of the milling box and a filter screen arranged in the discharge port, the milling part is arranged in the milling box, and the feeding frame is arranged on the milling part. The grinding part comprises a supporting frame fixedly arranged in the grinding box, a driving roller rotationally arranged in the supporting frame, a driven roller connected with the driving roller in a meshed mode and a motor arranged on the outer side of the grinding box, the motor drives the driving roller to rotate so as to drive the driven roller to synchronously rotate to complete grinding operation, and the feeding frame is rotationally nested outside the supporting frame. According to the polyurethane thermoplastic elastomer powder grinding device, the powder grinding part and the feeding frame are arranged, the motor can drive the whole feeding frame to rotate in the powder grinding box while the driving roller and the driven roller rotate to conduct powder grinding operation, and therefore large polyurethane thermoplastic elastomers can be moved and conveyed to the position above the powder grinding part to conduct powder grinding operation again.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane elastomer processing, in particular to a thermoplastic polyurethane elastomer grinding device for clothing. Background Art

[0002] Polyurethane elastomers have excellent comprehensive properties such as high strength, high toughness, wear resistance, oil resistance, etc., and have good processing performance. They are widely used in various industries. In the production process of polyurethane elastomers, after the polyurethane elastomer is formed into a sheet of polyurethane thermoplastic elastomer after mixing, reaction, drying and other processes, the sheet of polyurethane thermoplastic elastomer needs to be crushed and packaged.

[0003] When the existing grinding device is grinding the polyurethane thermoplastic elastomer, it usually only performs a single crushing operation on the polyurethane thermoplastic elastomer. Due to the elasticity of the polyurethane elastomer, part of the polyurethane thermoplastic elastomer still has a large volume after being crushed, and the operator needs to manually collect it for secondary crushing and grinding. Utility Model Content

[0004] The purpose of the utility model is to provide a grinding device for thermoplastic polyurethane elastomer of clothing, so as to solve the problem that the existing grinding device proposed in the above background technology usually only performs a single crushing operation on the polyurethane thermoplastic elastomer when performing the grinding operation on the polyurethane thermoplastic elastomer. Since the polyurethane elastomer has elasticity, part of the polyurethane thermoplastic elastomer still has a large volume after being crushed, and the operator needs to manually collect it for secondary crushing and grinding.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for thermoplastic polyurethane elastomer for clothing, comprising a grinding box, a grinding part and a feeding rack:

[0006] The interior of the grinding box has a certain space, and the grinding box includes an inlet opened at the top of the grinding box, an outlet opened at the bottom of the grinding box and a filter screen arranged inside the outlet, and the grinding part is arranged inside the grinding box, and the grinding part includes a support frame fixedly arranged inside the grinding box, an active roller rotatably arranged inside the support frame, a driven roller meshing with the active roller, and a motor arranged outside the grinding box, the motor drives the active roller to rotate to drive the driven roller to rotate synchronously to complete the grinding operation, and the feeding rack is rotatably nested outside the support frame, one end of the feeding rack is meshingly connected with the active roller, and the active roller rotates to drive the feeding rack to rotate inside the grinding box.

[0007] By adopting the above technical solution, the motor can drive the entire feed rack to rotate inside the grinding box while the active roller and the driven roller rotate to perform the grinding operation, so that the larger polyurethane thermoplastic elastomer that is blocked by the filter inside the grinding box can be moved and transported to the top of the grinding part for further grinding operation.

[0008] Preferably, the grinding part includes a support frame, an active roller, an active tooth a arranged at one end of the active roller, a driven roller, a driven tooth arranged at one end of the driven roller and a motor, the active tooth a and the driven tooth are meshingly connected, and the output end of the motor is connected to the active roller.

[0009] By adopting the above technical solution, the active roller can be driven to rotate by the motor, so that the active tooth a can drive the driven tooth to rotate, so that the active roller and the driven roller can rotate simultaneously.

[0010] Preferably, a plurality of triangular crushing teeth are arranged around the active roller and the driven roller.

[0011] By adopting the above technical solution, the polyurethane thermoplastic elastomer can be grasped when the active roller and the driven roller rotate, so as to perform a crushing and grinding operation on the polyurethane thermoplastic elastomer.

[0012] Preferably, the grinding box comprises an inlet, an outlet and a replaceable filter screen, a flap is rotatably provided on the top of the inlet, the inlet is located directly above the grinding part, and the outlet is located directly below the grinding part.

[0013] By adopting the above technical solution, the polyurethane thermoplastic elastomer entering the grinding box from the feed inlet can fall into the grinding part for grinding operation, and the polyurethane thermoplastic elastomer after the grinding operation falls onto the filter screen for a screening operation.

[0014] Preferably, the feeding rack is nested outside the supporting frame and is rotatably connected thereto, and the feeding rack is rotatably connected to the grinding box.

[0015] By adopting the above technical solution, the feeding rack can be rotated inside the grinding box.

[0016] Preferably, the feed rack includes a plurality of feed plates arranged on the side of the feed rack and a plurality of latching teeth arranged on one side of the feed rack, and an active tooth b is arranged at one end of the active roller away from the active tooth a, and the active tooth b is meshingly connected with the latching tooth.

[0017] By adopting the above technical solution, the rotation of the active roller can drive the active gear b to rotate, thereby driving the feeding rack to rotate.

[0018] Preferably, a plurality of the feeding plates are rotationally symmetrical around the rotation center of the feeding rack, and an inclined baffle is provided at the end of the feeding plate.

[0019] By adopting the above technical solution, the polyurethane thermoplastic elastomer blocked in the grinding box due to its large size can be rotated and transported to the top of the grinding part for further grinding operation while the feeding frame rotates.

[0020] Compared with the prior art, the beneficial effect of the utility model is that by providing a grinding part and a feeding rack, the motor can drive the active roller and the driven roller to rotate for grinding operation while driving the entire feeding rack to rotate inside the grinding box, so that the larger polyurethane thermoplastic elastomer that is blocked by the filter inside the grinding box can be moved and transported to the top of the grinding part for grinding again, so that the polyurethane thermoplastic elastomer can be crushed and ground more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this application;

[0023] Figure 3 This is a schematic diagram of the overall cross-sectional structure of this application;

[0024] Figure 4 This is a schematic diagram of the overall cross-sectional structure of this application;

[0025] Figure 5 This is a schematic diagram of the structure of the grinding part of this application;

[0026] Figure 6 This is a schematic diagram of the mill box structure for this application;

[0027] Figure 7 This is a schematic diagram of the feeding rack structure for this application.

[0028] In the figure: 1. grinding box; 101. feeding port; 102. discharging port; 103. filter screen; 2. grinding part; 201. supporting frame; 202. driving roller; 203. driving tooth a; 204. driven roller; 205. driven tooth; 206. motor; 207. driving tooth b; 3. feeding frame; 301. feeding plate; 302. latching tooth. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a grinding device for thermoplastic polyurethane elastomer for clothing, comprising a grinding box 1, a grinding part 2 and a feeding rack 3:

[0032] The interior of the grinding box 1 has a certain space, and an inlet 101 is provided on the top of the grinding box 1. A flip cover is rotatably provided on the top of the inlet 101 to prevent material splashing during use. The inlet 101 is located directly above the grinding part 2, and the outlet 102 is located directly below the grinding part 2, so that the polyurethane thermoplastic elastomer entering the grinding box 1 from the inlet 101 can fall into the grinding part 2 for grinding operation. After the grinding operation, the polyurethane thermoplastic elastomer falls on the filter screen 103 for a screening operation. The grinding part 2 is arranged inside the grinding box 1, and the grinding part 2 includes a support frame 201 fixed inside the grinding box 1, and a support frame 201 rotatably provided inside the support frame 201. The motor 206 drives the active roller 202 to rotate, so as to drive the driven roller 204 to rotate synchronously to complete the grinding operation. The feed rack 3 is rotatably nested on the outside of the support frame 201, and one end of the feed rack 3 is meshed with the active roller 202. The motor 206 drives the active roller 202 and the driven roller 204 to rotate for the grinding operation, and drives the entire feed rack 3 to rotate inside the grinding box 1, so that the larger polyurethane thermoplastic elastomer blocked by the filter screen 103 inside the grinding box 1 can be moved and transported to the top of the grinding part 2 for the grinding operation again.

[0033] Embodiment 2

[0034] See also Figure 4 , Figure 5 and Figure 6 The utility model provides a technical solution: a grinding device for thermoplastic polyurethane elastomer of clothing, comprising a grinding part 2, an active roller 202 and a driven roller 204:

[0035] One end of the support frame 201 away from the motor 206 is fixedly connected to the inner wall of the grinding box 1 by bolts, and an active roller 202 and a driven roller 204 are rotatably arranged inside the support frame 201, and one end of the active roller 202 is provided with an active tooth a203, and one end of the driven roller 204 is provided with, and the active tooth a203 and the driven tooth 205 are meshingly connected. The output end of the motor 206 is connected to the active roller 202, and a plurality of triangular crushing teeth are arranged around the active roller 202 and the driven roller 204. The active roller 202 is driven to rotate by the motor 206, so that the active tooth a203 can drive the driven tooth 205 to rotate, so that the active roller 202 and the driven roller 204 can rotate simultaneously and grasp the polyurethane thermoplastic elastomer, thereby performing crushing and grinding operations on it.

[0036] Embodiment 2

[0037] See also Figure 5 , Figure 6 and Figure 7 The utility model provides a technical solution: a grinding device for thermoplastic polyurethane elastomer for clothing, comprising a feeding frame 3, a feeding plate 301 and a clamping tooth 302:

[0038] The feeding rack 3 is nested outside the supporting rack 201 and is rotatably connected thereto. The feeding rack 3 is rotatably connected to the grinding box 1, so that the feeding rack 3 can rotate inside the grinding box 1. A plurality of latching teeth 302 are arranged on one side of the feeding rack 3. An active tooth b207 is arranged on the end of the active roller 202 away from the active tooth a203. The active tooth b207 is meshingly connected with the latching teeth 302. The active tooth b207 is driven to rotate by the rotation of the active roller 202, thereby driving the feeding rack 3 to rotate. A plurality of feeding plates 301 are rotationally symmetrical around the rotation center of the feeding rack 3. An inclined baffle is arranged at the end of the feeding plate 301. When the feeding rack 3 rotates, the polyurethane thermoplastic elastomer that is blocked in the grinding box 1 due to its large size is rotated and transported to the top of the grinding part 2 for further grinding operation, so that the polyurethane thermoplastic elastomer can be crushed and ground more evenly.

[0039] Working principle: First, the polyurethane thermoplastic elastomer to be crushed and ground is put into the inside of the grinding box 1 from the feeding port 101 on the top of the grinding box 1. The polyurethane thermoplastic elastomer will pass through the feeding plate 301 and fall onto the grinding part 2. Then, the motor 206 is started, and the motor 206 drives the active roller 202 to rotate, so that the active gear a203 can drive the driven gear 205 to rotate, so that the active roller 202 and the driven roller 204 can rotate at the same time, and the polyurethane thermoplastic elastomer is ground. Then, after the grinding operation is completed, The polyurethane thermoplastic elastomer falls onto the filter 103, and the smaller polyurethane thermoplastic elastomer will pass through the filter 103, while the larger polyurethane thermoplastic elastomer will be blocked by the filter 103. Then the rotation of the active roller 202 drives the active tooth b207 to rotate, thereby driving the feed rack 3 to rotate. While the feed rack 3 rotates, the polyurethane thermoplastic elastomer that is blocked in the grinding box 1 due to its large size is rotated and transported to the top of the grinding part 2 for further grinding operation, which can make the polyurethane thermoplastic elastomer be crushed and ground more evenly.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for thermoplastic polyurethane elastomer for clothing, characterized in that: include: A grinding box (1), wherein the interior of the grinding box (1) has a certain space, and the grinding box (1) comprises an inlet (101) opened at the top of the grinding box (1), an outlet (102) opened at the bottom of the grinding box (1), and a filter (103) arranged inside the outlet (102); A grinding section (2), the grinding section (2) being arranged inside a grinding box (1), the grinding section (2) comprising a support frame (201) fixedly arranged inside the grinding box (1), an active roller (202) rotatably arranged inside the support frame (201), a driven roller (204) meshingly connected to the active roller (202), and a motor (206) arranged outside the grinding box (1), the motor (206) driving the active roller (202) to rotate so as to drive the driven roller (204) to rotate synchronously to complete a grinding operation; A feeding rack (3), wherein the feeding rack (3) is rotatably nested outside the support frame (201), one end of the feeding rack (3) is meshingly connected with the active roller (202), and the active roller (202) rotates to drive the feeding rack (3) to rotate inside the grinding box (1).

2. The grinding device for thermoplastic polyurethane elastomer for clothing according to claim 1, characterized in that: The grinding section (2) comprises a support frame (201), a driving roller (202), a driving tooth a (203) arranged at one end of the driving roller (202), a driven roller (204), a driven tooth (205) arranged at one end of the driven roller (204), and a motor (206), wherein the driving tooth a (203) and the driven tooth (205) are meshingly connected, and an output end of the motor (206) is connected to the driving roller (202).

3. The grinding device for thermoplastic polyurethane elastomer for clothing according to claim 2, characterized in that: A plurality of triangular crushing teeth are arranged around the active roller (202) and the driven roller (204).

4. The grinding device for thermoplastic polyurethane elastomer for clothing according to claim 1, characterized in that: The grinding box (1) comprises an inlet (101), an outlet (102) and a replaceable filter (103); a flip cover is rotatably provided on the top of the inlet (101); the inlet (101) is located directly above the grinding part (2), and the outlet (102) is located directly below the grinding part (2).

5. The grinding device for thermoplastic polyurethane elastomer for clothing according to claim 1, characterized in that: The feeding rack (3) is nested outside the supporting frame (201) and is rotatably connected thereto, and the feeding rack (3) and the grinding box (1) are rotatably connected.

6. The grinding device for thermoplastic polyurethane elastomer for clothing according to claim 1, characterized in that: The feeding rack (3) comprises a plurality of feeding plates (301) arranged on the side of the feeding rack (3) and a plurality of latching teeth (302) arranged on one side of the feeding rack (3); an active tooth b (207) is arranged at one end of the active roller (202) away from the active tooth a (203); and the active tooth b (207) is meshingly connected with the latching teeth (302).

7. The grinding device for thermoplastic polyurethane elastomer for clothing according to claim 6, characterized in that: The plurality of feeding plates (301) are rotationally symmetrical around the rotation center of the feeding rack (3), and an inclined baffle is provided at the end of the feeding plate (301).

Images