Coating equipment for TPU film processing

Abstract

The utility model relates to coating equipment for TPU (thermoplastic polyurethane) film processing, in particular to the technical field of TPU film processing equipment. The coating device comprises a rack, a conveying belt, a conveying belt mounting frame, a coating piece, a connecting plate, a threaded rod, a fixing plate, a fixing rod, a uniform distributor and a pressure adjusting mechanism, a driving motor is started to drive a coating roller to rotate, a spray head of the uniform distributor is started to spray coating liquid in a liquid collecting tank to liquid homogenizing holes, the coating liquid falls onto bristles along the liquid homogenizing holes, and the pressure adjusting mechanism is used for adjusting the pressure of the coating liquid. Due to the fact that the coating roller rotates continuously, the bristles evenly brush the coating liquid to the surface of the coating roller and coat the coating liquid on the thin film, the using amount of the coating liquid can be well mastered, and the coating uniformity is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU film processing equipment, in particular to a coating equipment for TPU film processing. Background Art

[0002] TPU film is made from TPU granules through special processes such as calendering, casting, film blowing, and coating.

[0003] The TPU film needs to be coated during the processing. The existing coating equipment is not good at controlling the amount of coating liquid during coating, and cannot well ensure the uniformity of coating, which affects the final coating quality. Utility Model Content

[0004] (1) Technical issues to be resolved

[0005] The utility model provides a coating device for TPU film processing, which overcomes the shortcomings of the existing coating device that it is difficult to control the amount of coating liquid during coating, and cannot better ensure the uniformity of coating, thus affecting the final coating quality.

[0006] (2) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a coating device for TPU film processing, including a frame, a conveyor belt, a conveyor belt mounting frame, a coating member, a connecting plate, a threaded rod, a fixed plate, a fixed rod, a distributor, and a pressure regulating mechanism. The conveyor belt mounting frame is provided in the frame, the conveyor belt is installed in the conveyor belt mounting frame, the coating member is provided directly above the conveyor belt, the pressure regulating mechanism is provided between the coating member and the connecting plate, the threaded rod is threadedly connected to the fixing plate, the lower end of the threaded rod passes through the fixing plate and is rotatably connected to the upper surface of the connecting plate, and the fixing member is connected between the upper surface of the fixing plate and the inner wall of the top of the frame Rod, the coating part includes a bracket, a coating roller, and a driving motor. The coating roller is rotatably installed in the bracket, and the coating roller is driven by the driving motor. The top inner wall of the bracket is provided with the uniform distributor, and the uniform distributor includes a liquid collecting tank, a nozzle, a brush mounting frame, liquid balancing holes, and bristles. The liquid collecting tank is installed on the top inner wall of the bracket, and the bottom of the liquid collecting tank is connected to the U-shaped bristle mounting frame, and the bristle mounting frame is evenly provided with a plurality of liquid balancing holes, and the bristles are correspondingly installed at the bottom of each liquid balancing hole, and the nozzle is correspondingly installed at the bottom of the liquid collecting tank above each liquid balancing hole, and the lower ends of the bristles are in contact with the surface of the coating roller.

[0008] Preferably, the pressure regulating mechanism includes a sleeve, a spring, a pressure regulating rod, a slide groove, and a slider. The top of the sleeve is fixed to the bottom of the connecting plate, the inner wall of the top of the sleeve is fixedly connected to one end of the spring, the upper end of the pressure regulating rod passes through the bottom of the sleeve and is connected to the other end of the spring, the slide grooves are provided on the side walls of the sleeve on both sides of the pressure regulating rod, and the sliders for sliding connection with the slide grooves are provided on both sides of the pressure regulating rod, and the lower end of the pressure regulating rod is connected to the top of the bracket.

[0009] Preferably, the number of the pressure regulating mechanisms is at least 4 and they are equidistantly distributed.

[0010] Preferably, the bracket is in an inverted U shape and the coating roller is rotatably mounted between inner walls on both sides of the bracket.

[0011] (3) Beneficial effects

[0012] The utility model provides a coating device for TPU film processing, which overcomes the shortcomings of the existing coating equipment that it is difficult to control the amount of coating liquid during coating, and cannot ensure the uniformity of coating, thus affecting the final coating quality. Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Start the drive motor to drive the coating roller to rotate, start the nozzle of the spreader to spray the coating liquid in the liquid collecting tank to the liquid distribution hole, and the coating liquid falls onto the brush along the liquid distribution hole. As the coating roller continues to rotate, the brush evenly brushes the coating liquid to the surface of the coating roller and coats it on the film, which can not only better control the amount of coating liquid, but also ensure the uniformity of coating.

[0014] 2. By setting a pressure regulating mechanism, the setting of the spring and the pressure regulating rod in the pressure regulating mechanism and the movement of the slider in the slide groove, the coating roller is always in contact with the surface of the film, ensuring a good coating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 This is a schematic diagram of the structure of the utility model uniform distributor

[0017] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0018] The figures are marked as follows: 1-frame, 2-conveyor belt, 3-conveyor belt mounting frame, 4-coating member, 41-bracket, 42-coating roller, 43-driving motor, 5-connecting plate, 6-threaded rod, 7-fixing plate, 8-fixing rod, 9-distributor, 91-liquid collecting trough, 92-spray nozzle, 93-bristle mounting frame, 94-liquid equalizing hole, 95-bristle, 10-pressure regulating mechanism, 101-sleeve, 102-spring, 103-pressure regulating rod, 104-slide groove, 105-slider. DETAILED DESCRIPTION

[0019] The utility model is further described in conjunction with the accompanying drawings and embodiments.

[0020] like Figures 1 to 3 As shown, the coating equipment for TPU film processing described in the utility model includes a frame 1, a conveyor belt 2, a conveyor belt mounting frame 3, a coating member 4, a connecting plate 5, a threaded rod 6, a fixed plate 7, a fixed rod 8, a uniform distributor 9, and a pressure regulating mechanism 10. The conveyor belt mounting frame 3 is provided in the frame 1, and the conveyor belt 2 is installed in the conveyor belt mounting frame 3. The coating member 4 is provided just above the conveyor belt 2. The pressure regulating mechanism 10 is provided between the coating member 4 and the connecting plate 5. The threaded rod 6 is threadedly connected to the fixing plate 7. The lower end of the threaded rod 6 passes through the fixing plate 7 and is rotatably connected to the upper surface of the connecting plate 5. The fixing rod 8 is connected between the upper surface of the fixing plate 7 and the top inner wall of the frame 1. The coating member 4 includes a bracket 41, a coating member 42, and a fixing plate 7. Roller 42, drive motor 43, the coating roller 42 is rotatably installed in the bracket 41, the coating roller 42 is driven by the drive motor 43, the top inner wall of the bracket 41 is provided with the uniform distributor 9, the uniform distributor 9 includes a liquid collecting tank 91, a nozzle 92, a bristle mounting frame 93, a liquid balancing hole 94, and bristles 95, the liquid collecting tank 91 is installed on the top inner wall of the bracket 41, the bottom of the liquid collecting tank 91 is connected with a U-shaped bristle mounting frame 93, the bristle mounting frame 93 is evenly provided with a plurality of the liquid balancing holes 94, the bottom of each of the liquid balancing holes 94 is correspondingly installed with the bristles 95, the bottom of each of the liquid balancing holes 94 corresponding to the liquid collecting tank 91 is correspondingly installed with the nozzle 92, and the lower end of the bristle 95 is in contact with the surface of the coating roller 42.

[0021] The pressure regulating mechanism 10 includes a sleeve 101, a spring 102, a pressure regulating rod 103, a slide groove 104, and a slider 105. The top of the sleeve 101 is fixed to the bottom of the connecting plate 5, and the inner wall of the top of the sleeve 101 is fixedly connected to one end of the spring 102. The upper end of the pressure regulating rod 103 passes through the bottom of the sleeve 101 and is connected to the other end of the spring 102. The slide grooves 104 are provided on the side walls of the sleeve 101 on both sides of the pressure regulating rod 103. The sliders 105 for sliding connection with the slide grooves 104 are provided on both sides of the pressure regulating rod 103. The lower end of the pressure regulating rod 103 is connected to the top of the bracket 41.

[0022] The number of the pressure regulating mechanisms 10 is at least four and they are equidistantly distributed. The bracket 41 is in an inverted U shape and the coating roller 42 is rotatably mounted between the inner walls on both sides of the bracket 41 .

[0023] In actual work, the film is transported by the conveyor belt 2. When it is transported to the bottom of the coating member 4, the threaded rod 6 is rotated to drive the connecting plate 5 to move downward so that the coating roller 42 contacts the film, and then the driving motor 43 is started to drive the coating roller 42 to rotate, and the nozzle 92 of the uniform distributor 9 is started to spray the coating liquid in the liquid collecting tank 91 to the uniform liquid hole 94. The coating liquid falls onto the bristles 95 along the uniform liquid hole 94. Since the coating roller 42 continues to rotate, the bristles 95 evenly brush the coating liquid onto the surface of the coating roller 42 and coat it on the film. By setting the pressure regulating mechanism 10, the setting of the spring 102 and the pressure regulating rod 103 in the pressure regulating mechanism 10 and the movement of the slider 105 in the slide groove 104 make the coating roller 42 always contact with the surface of the film, ensuring a good coating effect. The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0024] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A coating device for TPU film processing, characterized in that: The invention comprises a frame (1), a conveyor belt (2), a conveyor belt mounting frame (3), a coating member (4), a connecting plate (5), a threaded rod (6), a fixing plate (7), a fixing rod (8), a distributor (9), and a pressure regulating mechanism (10). The frame (1) is provided with the conveyor belt mounting frame (3), the conveyor belt (2) is installed in the conveyor belt mounting frame (3), the coating member (4) is arranged directly above the conveyor belt (2), the pressure regulating mechanism (10) is arranged between the coating member (4) and the connecting plate (5), the threaded rod (6) is threadedly connected to the fixing plate (7), the lower end of the threaded rod (6) passes through the fixing plate (7) and is rotatably connected to the upper surface of the connecting plate (5), the fixing rod (8) is connected between the upper surface of the fixing plate (7) and the top inner wall of the frame (1), the coating member (4) comprises a bracket (41), a coating roller (42), a driving motor ( 43), the coating roller (42) is rotatably mounted in the bracket (41), the coating roller (42) is driven by the driving motor (43), the distributor (9) is provided on the inner wall of the top of the bracket (41), the distributor (9) comprises a liquid collecting tank (91), a nozzle (92), a bristle mounting frame (93), liquid balancing holes (94), and bristles (95), the liquid collecting tank (91) is mounted on the inner wall of the top of the bracket (41), the bottom of the liquid collecting tank (91) is connected to the U-shaped bristle mounting frame (93), the bristle mounting frame (93) is evenly provided with a plurality of liquid balancing holes (94), the bottom of each of the liquid balancing holes (94) is correspondingly mounted with the bristles (95), the bottom of each of the liquid balancing holes (94) is correspondingly mounted with the nozzle (92) above the corresponding bottom of the liquid collecting tank (91), and the lower ends of the bristles (95) are in contact with the surface of the coating roller (42).

2. A coating device for TPU film processing according to claim 1, characterized in that: The pressure regulating mechanism (10) comprises a sleeve (101), a spring (102), a pressure regulating rod (103), a slide groove (104), and a slider (105); the top of the sleeve (101) is fixed to the bottom of the connecting plate (5); the inner wall of the top of the sleeve (101) is fixedly connected to one end of the spring (102); the upper end of the pressure regulating rod (103) passes through the bottom of the sleeve (101) and is connected to the other end of the spring (102); the slide grooves (104) are provided on the side walls of the sleeve (101) on both sides of the pressure regulating rod (103); the sliders (105) for slidably connecting to the slide grooves (104) are provided on both sides of the pressure regulating rod (103); and the lower end of the pressure regulating rod (103) is connected to the top of the bracket (41).

3. A coating device for TPU film processing according to claim 1, characterized in that: The number of the pressure regulating mechanisms (10) is at least 4 and they are arranged in an equidistant distribution.

4. A coating device for TPU film processing according to claim 1, characterized in that: The support (41) is in an inverted U shape, and the coating roller (42) is rotatably mounted between inner walls on both sides of the support (41).

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