Slurry extrusion type device for coating machine

Abstract

The utility model belongs to the technical field of slurry coating, and particularly relates to a slurry extrusion type device for a coating machine, which comprises a support frame and a support table which are arranged in parallel, a lifting part is arranged in the support frame, the lifting part is movably connected with a lifting frame, the lifting frame is positioned in the support frame, and the top end of the lifting frame is fixedly connected with a first moving part; the top end of the first moving part is fixedly connected with a second moving part, the first moving part is perpendicular to the second moving part, the center of the second moving part is fixedly connected with a vertically-arranged fixing cylinder, a slurry extrusion mechanism is arranged in the fixing cylinder, and the top end of the slurry extrusion mechanism fixedly communicates with a feed filtering mechanism and an inflation part; the feeding filtering mechanism is fixedly connected with the top end of the supporting table. The inflation part is fixedly connected with the top end of the second moving part. According to the utility model, the problems of slow and non-uniform manual extrusion speed and easy volatilization of a coating liquid solvent in the dispersion process can be reduced, and the line or coating thickness change is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of slurry coating, and particularly relates to a slurry extrusion device for a coating machine. Background Art

[0002] A coating machine is a machine that can effectively coat a slurry on a required component to achieve functions such as adhesion, fixation, and insulation. A knife coater is a coating machine for controlling the coating amount, usually having an adjustable knife setting, which can accurately control the coating thickness and is mainly used in the printing industry. A common usage method is to manually extrude the coating liquid onto the required component, and use the movement of the roller to prompt the knife to move forward horizontally, so that the slurry is coated on the required component. However, the manual extrusion speed is slow and the slurry is unevenly distributed, and the solvent of the coating liquid is easily volatilized, resulting in changes in the line or coating thickness.

[0003] Therefore, it is necessary to design a slurry extrusion device for a coating machine to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a slurry extrusion device for a coating machine to solve the above problems, achieve the purpose of reducing the slow and uneven manual extrusion speed during the dispersion process, the easy volatilization of the solvent of the coating liquid, and reducing the changes in the line or coating thickness.

[0005] To achieve the above purpose, the utility model provides the following solution: A slurry extrusion device for a coating machine includes a support frame and a support table arranged in parallel. An elevating part is arranged inside the support frame. The elevating part is movably connected with an elevating frame. The elevating frame is located inside the support frame. The top end of the elevating frame is fixedly connected with a first moving part. The top end of the first moving part is fixedly connected with a second moving part. The first moving part and the second moving part are perpendicular to each other. The center of the second moving part is fixedly connected with a vertically arranged fixed cylinder. A slurry extrusion mechanism is arranged inside the fixed cylinder. The top end of the slurry extrusion mechanism is fixedly communicated with a feeding and filtering mechanism and an air charging part. The feeding and filtering mechanism is fixedly connected with the top end of the support table. The air charging part is fixedly connected with the top end of the second moving part.

[0006] Preferably, the slurry extrusion mechanism includes a slurry cylinder coaxially arranged inside the fixed cylinder. A central tube is coaxially arranged inside the slurry cylinder. The top end of the central tube is fixedly connected to the top wall of the slurry cylinder and communicated with the feeding and filtering mechanism. A first electric control valve is arranged inside the bottom end of the central tube. A gap is left between the bottom end of the central tube and the inner bottom wall of the slurry cylinder. A sliding plug is slidably sleeved on the outer side wall of the central tube. The outer side wall of the sliding plug is in sliding and sealing contact with the inner side wall of the slurry cylinder. The inflation part is fixedly communicated with the top wall of the slurry cylinder. The bottom end of the slurry cylinder is fixedly communicated with a slurry outlet head. A second electric control valve is arranged inside the top end of the slurry outlet head.

[0007] Preferably, the feeding and filtering mechanism includes a slurry storage barrel fixedly connected to the top end of the support platform. One end of a second air pipe is fixedly communicated with the top wall of the slurry storage barrel. The other end of the second air pipe is fixedly communicated with a second air compressor. The second air compressor is fixedly connected to the top end of the support platform. One end of a filtering part is fixedly communicated with the bottom of the side wall of the slurry storage barrel. The filtering part and the second air compressor are symmetrically arranged on both sides of the slurry storage barrel. The filtering part is fixedly connected to the top end of the support platform. The other end of the filtering part is fixedly communicated with the top end of the central tube.

[0008] Preferably, the filtering part includes a connecting pipe. One end of the connecting pipe is fixedly communicated with the bottom of the side wall of the slurry storage barrel. The other end of the connecting pipe is fixedly communicated with the feeding end of a filtering box. The filtering box is fixedly connected to the top end of the support platform. One end of a connecting pipe is fixedly communicated with the discharging end of the filtering box. The other end of the connecting pipe is fixedly communicated with one end of a flexible pipe. The other end of the flexible pipe is fixedly communicated with the top end of the central tube.

[0009] Preferably, the inflation part includes a first air compressor fixedly connected to the top end of the second moving part. One end of a first air pipe is fixedly communicated with the first air compressor. The other end of the first air pipe is fixedly communicated with the top wall of the slurry cylinder.

[0010] Preferably, the lifting part includes a third motor fixedly connected to the middle of the top end of the support frame. The top end of a vertically arranged third lead screw is fixedly connected to the output shaft of the third motor. The bottom end of the third lead screw is rotatably connected to a cross beam. The cross beam is fixedly connected to the middle of the support frame and horizontally arranged. An ear is threadedly connected to the outer side wall of the third lead screw. In the middle of the end of the support frame far away from the third lead screw, another horizontally arranged cross beam is fixedly connected. In the middle of the top end of another cross beam, the bottom end of a vertically arranged third guide rod is fixedly connected. The top end of the third guide rod is fixedly connected to the top end of the support frame. Another ear is slidably connected to the outer side wall of the third guide rod. The two ears are respectively fixedly connected to the middle of the two opposite outer side walls of the lifting frame.

[0011] Preferably, the first moving part includes a first motor fixedly connected to the top end of the lifting frame. One end of a horizontally arranged first lead screw is fixedly connected to the output shaft of the first motor, and the other end of the first lead screw is rotatably connected to a first fixed seat. The bottom end of the first fixed seat is fixedly connected to the top end of the lifting frame. A lead screw slider is threadedly connected to the outer sidewall of the first lead screw. At the top of one end of the lifting frame away from the first lead screw, a first guide rod is arranged horizontally and is parallel to the first lead screw. Both ends of the first guide rod are fixedly connected to second fixed seats respectively. The bottom ends of the second fixed seats are fixedly connected to the top end of the lifting frame. A guide rod slider is slidably connected to the outer sidewall of the first guide rod. The second moving part is fixedly connected to the top end of the lead screw slider and the top end of the guide rod slider.

[0012] Preferably, the second moving part includes a second motor fixedly connected to one end of the top of the lead screw slider. One end of a horizontally arranged second lead screw is fixedly connected to the output shaft of the second motor, and the other end of the second lead screw is rotatably connected to a third fixed seat. The bottom end of the third fixed seat is fixedly connected to one end of the top of the guide rod slider. The other end of the top of the guide rod slider is fixedly connected to a fourth fixed seat. One end of a horizontally arranged second guide rod is fixedly connected to the fourth fixed seat. The other end of the second guide rod is fixedly connected to another fourth fixed seat. The fourth fixed seat is fixedly connected to the other end of the top of the lead screw slider. The second guide rod is parallel to the second lead screw and perpendicular to the first lead screw. One end of a horizontally arranged fixing plate is threadedly connected to the second lead screw, and the other end of the fixing plate is slidably connected to the second guide rod. The fixed cylinder is fixedly connected to the middle of the fixing plate.

[0013] Compared with the prior art, the utility model has the following advantages and technical effects:

[0014] Through the arranged inflation part, the utility model can fill high-pressure gas into the slurry extrusion mechanism at a constant speed, thereby achieving the purpose of uniform slurry discharge of the slurry extrusion mechanism. The arranged feeding and filtering mechanism can supplement slurry into the slurry extrusion mechanism to realize continuous production, and can filter the slurry while supplementing the slurry to prevent impurities in the slurry from blocking the slurry extrusion mechanism. The arranged lifting part can adjust the height of the discharge end of the slurry extrusion mechanism. The first moving part and the second moving part cooperate with each other to adjust any position of the slurry extrusion mechanism in the horizontal plane. Description of the Drawings

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the structure of the first moving part and the second moving part of the present invention;

[0018] Figure 3 It is a sectional view of the slurry extrusion mechanism of the present invention.

[0019] Among them, 1. Support frame; 2. Cross beam; 3. Lifting frame; 4. Ear; 5. First motor; 6. First lead screw; 7. First fixed seat; 8. Lead screw slider; 9. First guide rod; 10. Second fixed seat; 11. Guide rod slider; 12. Second motor; 13. Second lead screw; 14. Third fixed seat; 15. Second guide rod; 16. Fourth fixed seat; 17. Fixed plate; 18. Fixed cylinder; 19. Slurry cylinder; 20. Slurry outlet head; 21. First air compressor; 22. First air pipe; 23. Support table; 24. Slurry storage barrel; 25. Second air compressor; 26. Connecting pipe; 27. Filter box; 28. Connecting pipe; 29. Hose; 30. Third motor; 31. Third lead screw; 32. Third guide rod; 33. Central pipe; 34. Sliding plug; 35. First electric control valve; 36. Second electric control valve; 37. Second air pipe. Detailed implementation manners

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0021] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the drawings and specific implementation manners.

[0022] Refer to Figures 1 to 3As shown in the figure, the utility model provides a slurry extrusion device for a coating machine, which includes a support frame 1 and a support table 23 arranged in parallel. An elevating part is arranged inside the support frame 1, and an elevating frame 3 is movably connected to the elevating part. The elevating frame 3 is located inside the support frame 1. The top end of the elevating frame 3 is fixedly connected with a first moving part, and the top end of the first moving part is fixedly connected with a second moving part. The first moving part and the second moving part are perpendicular to each other. A vertically arranged fixed cylinder 18 is fixedly connected to the center of the second moving part. A slurry extrusion mechanism is arranged inside the fixed cylinder 18. The top end of the slurry extrusion mechanism is fixedly communicated with a feeding and filtering mechanism and an air charging part. The feeding and filtering mechanism is fixedly connected to the top end of the support table 23, and the air charging part is fixedly connected to the top end of the second moving part.

[0023] In a further optimized solution, the slurry extrusion mechanism includes a slurry cylinder 19. The slurry cylinder 19 is coaxially arranged inside the fixed cylinder 18. A central tube 33 is coaxially arranged inside the slurry cylinder 19. The top end of the central tube 33 is fixedly connected to the top wall of the slurry cylinder 19 and is communicated with the feeding and filtering mechanism. A first electric control valve 35 is arranged inside the bottom end of the central tube 33. There is a gap between the bottom end of the central tube 33 and the inner bottom wall of the slurry cylinder 19. A sliding plug 34 is slidably sleeved on the outer side wall of the central tube 33. The outer side wall of the sliding plug 34 is in sliding seal contact with the inner side wall of the slurry cylinder 19. The air charging part is fixedly communicated with the top wall of the slurry cylinder 19. The bottom end of the slurry cylinder 19 is fixedly communicated with a slurry discharging head 20. A second electric control valve 36 is arranged inside the top end of the slurry discharging head 20.

[0024] When the slurry discharging head 20 discharges the slurry, the second electric control valve 36 is opened, and the first electric control valve 35 is closed. The air charging part works to fill the slurry cylinder 19 with high-pressure gas. The gas presses the sliding plug 34 downward, and the sliding plug 34 moves downward to extrude the slurry into the slurry discharging head 20 and discharge it. When it is necessary to supplement the slurry into the slurry cylinder 19, the air charging part stops working and at the same time closes the second electric control valve 36, opens the first electric control valve 35, and the feeding and filtering mechanism presses the slurry into the slurry cylinder 19.

[0025] In a further optimized solution, the feeding and filtering mechanism includes a slurry storage barrel 24. The slurry storage barrel 24 is fixedly connected to the top end of the support table 23. One end of a second air pipe 37 is fixedly communicated with the top wall of the slurry storage barrel 24. The other end of the second air pipe 37 is fixedly communicated with a second air compressor 25. The second air compressor 25 is fixedly connected to the top end of the support table 23. One end of a filtering part is fixedly communicated with the bottom of the side wall of the slurry storage barrel 24. The filtering part and the second air compressor 25 are symmetrically arranged on both sides of the slurry storage barrel 24. The filtering part is fixedly connected to the top end of the support table 23. The other end of the filtering part is fixedly communicated with the top end of the central tube 33.

[0026] For a further optimized solution, the filtering part includes a connecting pipe 26. One end of the connecting pipe 26 is fixedly connected to the bottom of the side wall of the slurry storage barrel 24, and the other end of the connecting pipe 26 is fixedly connected to the feeding end of a filtering box 27. The filtering box 27 is fixedly connected to the top end of the support platform 23. The discharging end of the filtering box 27 is fixedly connected to one end of a connecting pipe 28. The other end of the connecting pipe 28 is fixedly connected to one end of a flexible pipe 29, and the other end of the flexible pipe 29 is fixedly connected to the top end of the central pipe 33.

[0027] When replenishing the slurry in the slurry barrel 19, the second electric control valve 36 is closed, and the first electric control valve 35 is opened. The second air compressor 25 operates to fill the slurry storage barrel 24 with high-pressure gas, and the slurry in the slurry storage barrel 24 is pressed into the filtering box 27 for filtering. The filtered slurry enters the central pipe 33 through the connecting pipe 28 and the flexible pipe 29, and then fills the inside of the slurry barrel 19.

[0028] For a further optimized solution, the air charging part includes a first air compressor 21. The first air compressor 21 is fixedly connected to the top end of the second moving part. One end of a first air pipe 22 is fixedly connected to the first air compressor 21, and the other end of the first air pipe 22 is fixedly connected to the top wall of the slurry barrel 19.

[0029] For a further optimized solution, the lifting part includes a third motor 30. The third motor 30 is fixedly connected to the middle of the top end of the support frame 1. The output shaft of the third motor 30 is fixedly connected to the top end of a vertically arranged third lead screw 31. The bottom end of the third lead screw 31 is rotatably connected to a cross beam 2. The cross beam 2 is fixedly connected to the middle of the support frame 1 and is horizontally arranged. An ear 4 is threadedly connected to the outer side wall of the third lead screw 31. In the middle of one end of the support frame 1 away from the third lead screw 31, another horizontally arranged cross beam 2 is fixedly connected. In the middle of the top end of the other cross beam 2, the bottom end of a vertically arranged third guide rod 32 is fixedly connected. The top end of the third guide rod 32 is fixedly connected to the top end of the support frame 1. Another ear 4 is slidably connected to the outer side wall of the third guide rod 32. The two ears 4 are respectively fixedly connected to the middle of the opposite outer side walls of the lifting frame 3.

[0030] When the third motor 30 operates, it drives the third lead screw 31 to rotate. During the rotation of the third lead screw 31, the lifting frame 3 can be driven to rise or fall, thereby adjusting the height of the slurry outlet head 20 in the vertical direction.

[0031] For a further optimized solution, the first moving part includes a first motor 5, which is fixedly connected to the top end of the lifting frame 3. One end of a horizontally arranged first lead screw 6 is fixedly connected to the output shaft of the first motor 5, and the other end of the first lead screw 6 is rotatably connected to a first fixed seat 7. The bottom end of the first fixed seat 7 is fixedly connected to the top end of the lifting frame 3. A lead screw slider 8 is threadedly connected to the outer side wall of the first lead screw 6. At the top of one end of the lifting frame 3 away from the first lead screw 6, a first guide rod 9 is provided. The first guide rod 9 is horizontally arranged and parallel to the first lead screw 6. Both ends of the first guide rod 9 are respectively fixedly connected to a second fixed seat 10. The bottom end of the second fixed seat 10 is fixedly connected to the top end of the lifting frame 3. A guide rod slider 11 is slidably connected to the outer side wall of the first guide rod 9. The second moving part is fixedly connected to the top end of the lead screw slider 8 and the top end of the guide rod slider 11.

[0032] When the first motor 5 operates, it drives the first lead screw 6 to rotate, driving the lead screw slider 8 to move left and right, and the position of the slurry outlet head 20 in the X direction within the horizontal height can be adjusted.

[0033] For a further optimized solution, the second moving part includes a second motor 12, which is fixedly connected to one end of the top of the lead screw slider 8. One end of a horizontally arranged second lead screw 13 is fixedly connected to the output shaft of the second motor 12, and the other end of the second lead screw 13 is rotatably connected to a third fixed seat 14. The bottom end of the third fixed seat 14 is fixedly connected to one end of the top of the guide rod slider 11. The other end of the top of the guide rod slider 11 is fixedly connected to a fourth fixed seat 16. One end of a horizontally arranged second guide rod 15 is fixedly connected to the fourth fixed seat 16, and the other end of the second guide rod 15 is fixedly connected to another fourth fixed seat 16. The fourth fixed seat 16 is fixedly connected to the other end of the top of the lead screw slider 8. The second guide rod 15 is parallel to the second lead screw 13 and perpendicular to the first lead screw 6. One end of a horizontally arranged fixing plate 17 is threadedly connected to the second lead screw 13, and the other end of the fixing plate 17 is slidably connected to the second guide rod 15. The fixed cylinder 18 is fixedly connected to the middle of the fixing plate 17.

[0034] When the second motor 12 operates, it drives the second lead screw 13 to rotate, driving the fixing plate 17 to move back and forth, and the position of the slurry outlet head 20 in the Y direction within the horizontal height can be adjusted.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0036] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope of the present invention.

Claims

1. A slurry extrusion device for a coater, characterized in that It includes a support frame (1) and a support table (23) arranged in parallel. An elevating part is arranged inside the support frame (1). The elevating part is movably connected to an elevating frame (3). The elevating frame (3) is located inside the support frame (1). The top end of the elevating frame (3) is fixedly connected to a first moving part. The top end of the first moving part is fixedly connected to a second moving part. The first moving part and the second moving part are perpendicular to each other. The center of the second moving part is fixedly connected to a vertically arranged fixed cylinder (18). A slurry extrusion mechanism is arranged inside the fixed cylinder (18). The top end of the slurry extrusion mechanism is fixedly communicated with a feeding and filtering mechanism and an air inflation part. The feeding and filtering mechanism is fixedly connected to the top end of the support table (23). The air inflation part is fixedly connected to the top end of the second moving part.

2. The slurry extrusion device for a coater according to claim 1, characterized in that, The slurry extrusion mechanism includes a slurry cylinder (19). The slurry cylinder (19) is coaxially arranged inside the fixed cylinder (18). A central tube (33) is coaxially arranged inside the slurry cylinder (19). The top end of the central tube (33) is fixedly connected to the top wall of the slurry cylinder (19) and communicated with the feeding and filtering mechanism. A first electric control valve (35) is arranged inside the bottom end of the central tube (33). There is a gap between the bottom end of the central tube (33) and the inner bottom wall of the slurry cylinder (19). A sliding plug (34) is slidably sleeved on the outer side wall of the central tube (33). The outer side wall of the sliding plug (34) is in sliding sealing contact with the inner side wall of the slurry cylinder (19). The air inflation part is fixedly communicated with the top wall of the slurry cylinder (19). The bottom end of the slurry cylinder (19) is fixedly communicated with a slurry outlet head (20). A second electric control valve (36) is arranged inside the top end of the slurry outlet head (20).

3. The slurry extrusion device for a coater according to claim 2, characterized in that, The feeding and filtering mechanism includes a slurry storage barrel (24). The slurry storage barrel (24) is fixedly connected to the top end of the support table (23). One end of a second air pipe (37) is fixedly communicated with the top wall of the slurry storage barrel (24). The other end of the second air pipe (37) is fixedly communicated with a second air compressor (25). The second air compressor (25) is fixedly connected to the top end of the support table (23). One end of a filtering part is fixedly communicated with the bottom of the side wall of the slurry storage barrel (24). The filtering part and the second air compressor (25) are symmetrically arranged on both sides of the slurry storage barrel (24). The filtering part is fixedly connected to the top end of the support table (23). The other end of the filtering part is fixedly communicated with the top end of the central tube (33).

4. The slurry extrusion device for a coater according to claim 3, characterized in that, The filtering part includes a connecting pipe (26). One end of the connecting pipe (26) is fixedly communicated with the bottom of the side wall of the slurry storage barrel (24). The other end of the connecting pipe (26) is fixedly communicated with the feeding end of a filtering box (27). The filtering box (27) is fixedly connected to the top end of the support table (23). One end of a connecting pipe (28) is fixedly communicated with the discharging end of the filtering box (27). The other end of the connecting pipe (28) is fixedly communicated with one end of a flexible pipe (29). The other end of the flexible pipe (29) is fixedly communicated with the top end of the central tube (33).

5. A slurry extrusion device for a coater according to claim 2, characterized in that, The inflating part includes a first air compressor (21), the first air compressor (21) is fixedly connected to the top end of the second moving part, one end of a first air pipe (22) is fixedly communicated with the first air compressor (21), and the other end of the first air pipe (22) is fixedly communicated with the top wall of the slurry barrel (19).

6. The slurry extrusion device for a coater according to claim 1, wherein, The lifting part includes a third motor (30), the third motor (30) is fixedly connected to the middle of the top end of the support frame (1), the top end of a vertically arranged third lead screw (31) is fixedly connected to the output shaft of the third motor (30), the bottom end of the third lead screw (31) is rotatably connected to a cross beam (2), the cross beam (2) is fixedly connected to the middle of the support frame (1) and is horizontally arranged, an ear (4) is threadedly connected to the outer side wall of the third lead screw (31), the middle of one end of the support frame (1) away from the third lead screw (31) is fixedly connected to another horizontally arranged cross beam (2), the bottom end of a vertically arranged third guide rod (32) is fixedly connected to the middle of the top end of the other cross beam (2), the top end of the third guide rod (32) is fixedly connected to the top end of the support frame (1), another ear (4) is slidably connected to the outer side wall of the third guide rod (32), and the two ears (4) are respectively fixedly connected to the middle of the two opposite outer side walls of the lifting frame (3).

7. The slurry extrusion device for a coater according to claim 1, wherein The first moving part includes a first motor (5), the first motor (5) is fixedly connected to the top end of the lifting frame (3), one end of a horizontally arranged first lead screw (6) is fixedly connected to the output shaft of the first motor (5), the other end of the first lead screw (6) is rotatably connected to a first fixed seat (7), the bottom end of the first fixed seat (7) is fixedly connected to the top end of the lifting frame (3), a lead screw slider (8) is threadedly connected to the outer side wall of the first lead screw (6), a first guide rod (9) is arranged at the top of one end of the lifting frame (3) away from the first lead screw (6), the first guide rod (9) is horizontally arranged and is parallel to the first lead screw (6), the two ends of the first guide rod (9) are respectively fixedly connected to a second fixed seat (10), the bottom end of the second fixed seat (10) is fixedly connected to the top end of the lifting frame (3), a guide rod slider (11) is slidably connected to the outer side wall of the first guide rod (9), and the second moving part is fixedly connected to the top ends of the lead screw slider (8) and the guide rod slider (11).

8. A slurry extrusion device for a coating machine according to claim 7, wherein, The second moving part includes a second motor (12), the second motor (12) is fixedly connected to one end of the top of the lead screw slider (8), one end of a horizontally arranged second lead screw (13) is fixedly connected to the output shaft of the second motor (12), the other end of the second lead screw (13) is rotatably connected to a third fixed seat (14), the bottom end of the third fixed seat (14) is fixedly connected to one end of the top of the guide rod slider (11), the other end of the top of the guide rod slider (11) is fixedly connected to a fourth fixed seat (16), one end of a horizontally arranged second guide rod (15) is fixedly connected to the fourth fixed seat (16), the other end of the second guide rod (15) is fixedly connected to another fourth fixed seat (16), the fourth fixed seat (16) is fixedly connected to the other end of the top of the lead screw slider (8), the second guide rod (15) is parallel to the second lead screw (13) and perpendicular to the first lead screw (6), one end of a horizontally arranged fixing plate (17) is threadedly connected to the second lead screw (13), the other end of the fixing plate (17) is slidably connected to the second guide rod (15), and the fixed cylinder (18) is fixedly connected to the middle of the fixing plate (17).

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