High-precision coating machine

Abstract

The utility model discloses a high-precision coating machine which comprises a rack, and a coating roller and a coating power device for driving the coating roller to rotate are rotationally arranged on the rack; a first C-shaped scraper frame is hinged to the portion, beside the coating roller, of the rack, a first scraper which is matched with the coating roller to scrape fluid coated on the base cloth is arranged on the first scraper frame, the end of the first scraper is an arc face, a first scraper air cylinder for adjusting the angle of the first scraper frame is hinged to the portion, below the coating roller, of the rack, and the stroke of the first scraper air cylinder is adjustable; a jacking oil cylinder which is vertically arranged upwards and is adjustable in stroke is hinged to the rack, a jacking frame is hinged to the position, above the coating roller, of the rack, and the end of the jacking frame is hinged to the end of a piston rod of the jacking oil cylinder; a second scraper shaft is hinged to the jacking frame, a second scraper is arranged on the second scraper shaft, the end of the second scraper is in an arc shape, a second adjusting oil cylinder with the adjustable stroke is hinged to the jacking frame, and the end of a piston rod of the second adjusting oil cylinder is hinged to a driving block connected to the second scraper shaft.

Description

Technical Field

[0001] This invention relates to a waterproof and breathable fabric manufacturing equipment, and more particularly to a high-precision coating machine. Background Technology

[0002] In the production of membrane materials such as PU and PTFE membranes, liquid raw materials are coated onto a base fabric, which is then fed into a coagulation bath for solidification. The precision with which the coating machine controls the coating thickness of the liquid material directly determines the quality of the formed membrane.

[0003] Moreover, some products require a base material to be coated on the base fabric during production. After the base material is formed, it is sent to a coating machine to coat the base fabric a second time before it can be processed into a finished product. Furthermore, due to the different materials used in the two coating processes, the viscosity of the materials is different, and the penetration rate of the materials into the base fabric is also different. Using the existing coating machine for coating requires changing the scraper and adjusting the scraper gap, which is very inconvenient. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a high-precision coating machine that improves film quality.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: a high-precision coating machine, including a frame, a coating roller rotatably mounted on the frame, and a coating power device for driving the coating roller to rotate.

[0006] A C-shaped first scraper holder is hinged to the frame next to the coating roller. The first scraper holder is equipped with a first scraper that cooperates with the coating roller to scrape the fluid coated on the base fabric. The end of the first scraper is rounded. A first scraper cylinder that adjusts the angle of the first scraper holder is hinged to the frame below the coating roller. The stroke of the first scraper cylinder is adjustable.

[0007] A vertically upward-arranged adjustable lifting cylinder is hinged to the frame. A lifting frame is hinged above the coating roller on the frame, and the end of the lifting frame is hinged to the end of the piston rod of the lifting cylinder. A second scraper shaft is hinged to the lifting frame, and a second scraper is provided on the second scraper shaft. The end of the second scraper is arc-shaped. A second adjustable cylinder with adjustable stroke is hinged to the lifting frame, and the end of the piston rod of the second adjustable cylinder is hinged to the drive block connected to the second scraper shaft.

[0008] As a preferred embodiment, a pair of inverted L-shaped clamping arms are hinged to the frame, and a top mounting plate is mounted on the two inverted L-shaped clamping arms. A pair of guide seats are arranged parallel to the coating roller on the top mounting plate, and a movable seat is slidably connected in the guide seats. Two adjustable-stroke material-stopping cylinders that drive the movable seats are arranged opposite to each other on the top mounting plate. A mounting bracket is provided on the movable seat, and a guide rail arranged radially along the coating roller is provided on the mounting bracket. An adjustable-position material-stopping block is provided on the guide rail.

[0009] As a preferred embodiment, the frame is equipped with a detection device for detecting the edge of the base fabric, and the detection signal from the detection device controls the movement of the piston rod of the material-blocking cylinder.

[0010] As a preferred embodiment, the frame is provided with a fine-tuning drive mechanism for fine-tuning the position of the lifting frame. The fine-tuning drive mechanism includes a fine-tuning motor mounted vertically upward on the frame, a fine-tuning worm gear mounted on the output shaft of the fine-tuning motor, the fine-tuning worm gear cooperating with a fine-tuning worm wheel mounted on the frame, an eccentric shaft connected to the worm wheel shaft of the fine-tuning worm wheel, and a bearing mounted at the other end of the eccentric shaft, the outer ring of the bearing being in free contact with the lower part of the lifting frame.

[0011] As a preferred embodiment, a limit rod is also connected to the worm wheel shaft of the fine-tuning worm wheel, and limit switches are respectively provided on the frame at two extreme positions corresponding to the ends of the limit rod.

[0012] As a preferred embodiment, the frame is provided with a limiting device to restrict the position of the first scraper frame; the limiting device includes a limiting seat disposed on the frame, and the limiting seat is provided with a limiting bolt that pushes against the first scraper frame.

[0013] As a preferred embodiment, a guide roller is provided on the frame below the coating roller.

[0014] As a preferred embodiment, the frame is provided with a receiving tray below the coating roller to receive excess coating, and the frame is provided with a scraper to remove excess coating from the coating roller.

[0015] As a preferred embodiment, the shovel is connected to a shovel worm gear mounted on the frame, and the frame is provided with a shovel worm that drives the shovel worm gear to rotate, with an adjusting handwheel at the end of the shovel worm gear.

[0016] As a preferred embodiment, the frame is provided with an adjustment mechanism for adjusting the vertical position of the support plate.

[0017] The beneficial effects of this invention are:

[0018] Because it is equipped with a first and second scraper with adjustable stroke, and can be used with different material supply mechanisms, the first or second scraper can be selected according to the usage. The first scraper can also be used when applying the base material, and the second scraper can be used when coating the main material. This increases the functionality of the coating machine, avoids repeated scraper adjustments, and ensures coating accuracy.

[0019] Because a pair of inverted L-shaped clamping arms are hinged to the frame, and a top mounting plate is mounted on the two inverted L-shaped clamping arms, and a pair of guide seats are set parallel to the coating roller on the top mounting plate, a movable seat is slidably connected in the guide seats, and two adjustable material-stopping cylinders that drive the movable seats are set on the top mounting plate. The movable seat is equipped with a mounting bracket, and the mounting bracket is equipped with a guide rail arranged radially along the coating roller. The guide rail is equipped with an adjustable material-stopping block, which can ensure that even if the feeding fluctuates left and right, it will not affect the accurate operation of the coating material.

[0020] Because the frame is equipped with a detection device for detecting the edge of the base fabric, the detection signal of the detection device controls the movement of the piston rod of the baffle cylinder, making the movement of the baffle block faster and more reliable.

[0021] Because the frame is equipped with a fine-tuning drive mechanism for fine-tuning the position of the lifting frame, the fine-tuning drive mechanism includes a fine-tuning motor mounted vertically on the frame, a fine-tuning worm gear mounted on the output shaft of the fine-tuning motor, the fine-tuning worm gear cooperating with a fine-tuning worm wheel mounted on the frame, an eccentric shaft connected to the worm wheel shaft of the fine-tuning worm wheel, and a bearing mounted at the other end of the eccentric shaft. The outer ring of the bearing is in free contact with the lower part of the lifting frame, which allows for fine-tuning of the position of the lifting frame, thereby enabling precise control of the distance between the second scraper and the surface of the base fabric, thus greatly improving the precise thickness of the fabric liquid layer.

[0022] Since a limit rod is also connected to the worm wheel shaft of the fine-tuning worm wheel, limit switches are provided on the frame at the two extreme positions corresponding to the ends of the limit rods to prevent the fine-tuning worm wheel from moving excessively.

[0023] The frame is equipped with a limiting device to restrict the position of the first scraper holder. The limiting device includes a limiting seat on the frame, and the limiting seat is equipped with a limiting bolt that pushes against the first scraper holder to prevent excessive movement of the first scraper during adjustment. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the front structure of the coating machine.

[0025] Figure 2 This is a side view of the coating machine.

[0026] Figure 3 This is a structural diagram of a central part of the coating machine (some parts are hidden for clarity).

[0027] Figure 4 This is a structural diagram of another location in the middle of the coating machine (some parts are hidden for clarity).

[0028] Figure 5 This is a schematic diagram of the other side of the coating machine (some parts are hidden for clarity).

[0029] Figure 6 This is a schematic diagram of the fine-tuning mechanism in a coating machine.

[0030] Figure 7 This is a schematic diagram of the fine-tuning mechanism in a coating machine from another angle.

[0031] In the diagram: 1. Frame; 2. Coating roller; 3. Shoveling worm gear; 4. Shoveling worm; 5. Adjusting handwheel; 6. Lifting cylinder; 7. Lifting frame; 8. Second scraper shaft; 9. Second scraper; 10. Second adjusting cylinder; 11. Inverted L-shaped clamping arm; 12. Top mounting plate; 13. Guide seat; 14. Movable seat; 15. Stopping cylinder; 16. Mounting bracket; 17. Guide rail; 18. Stopping block; 19. Detection device; 20. Fine-tuning motor; 21. Fine-tuning worm; 22. Fine-tuning worm wheel; 23. Eccentric shaft; 24. Bearing; 25. Limit rod; 26. Limit switch; 27. Limit seat; 28. Limit bolt; 29. ​​Guide roller; 30. Support plate; 31. Adjusting mechanism; 32. Shovel; 33. First scraper frame; 34. First scraper; 35. First scraper cylinder. Detailed Implementation

[0032] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0033] like Figure 1-7 As shown, a high-precision coating machine includes a frame 1, a coating roller 2 rotatably mounted on the frame 1, and a coating power device for driving the coating roller 2 to rotate. A C-shaped first scraper holder 33 is hinged to the frame 1 next to the coating roller 2. The first scraper holder 33 is provided with a first scraper 34 that cooperates with the coating roller 2 to scrape the fluid coated on the base fabric. The end of the first scraper 34 is arc-shaped. A first scraper cylinder 35 for adjusting the angle of the first scraper holder 33 is hinged to the frame 1 below the coating roller 2. The stroke of the first scraper cylinder 35 is adjustable.

[0034] A vertically upward-arranged adjustable lifting cylinder 6 is hinged to the frame 1. A lifting frame 7 is hinged above the coating roller 2 on the frame 1. The end of the lifting frame 7 is hinged to the end of the piston rod of the lifting cylinder 6. A second scraper 9 shaft 8 is hinged to the lifting frame 7. A second scraper 9 is provided on the second scraper 9 shaft 8. The end of the second scraper 9 is arc-shaped. A second adjustable cylinder 10 with adjustable stroke is hinged to the lifting frame 7. The end of the piston rod of the second adjustable cylinder 10 is hinged to the drive block connected to the second scraper 9 shaft 8.

[0035] A pair of inverted L-shaped clamping arms 11 are hinged to the frame 1. A top mounting plate 12 is mounted on the two inverted L-shaped clamping arms 11. A pair of guide seats 13 are arranged parallel to the coating roller 2 on the top mounting plate 12. A movable seat 14 is slidably connected to the guide seats 13. Two adjustable-stroke stop cylinders 15, which drive the movable seats 14, are arranged opposite to each other on the top mounting plate 12. A mounting bracket 16 is provided on the movable seat 14. A guide rail 17 arranged radially along the coating roller 2 is provided on the mounting bracket 16. An adjustable-position stop block 18 is provided on the guide rail 17. A detection device 19 for detecting the edge of the base fabric is provided on the frame 1. The detection signal of the detection device 19 controls the movement of the piston rod of the stop cylinder 15.

[0036] The frame 1 is equipped with a fine-tuning drive mechanism for fine-tuning the position of the lifting frame 7. The fine-tuning drive mechanism includes a fine-tuning motor 20 mounted vertically upward on the frame 1. A fine-tuning worm 21 is mounted on the output shaft of the fine-tuning motor 20. The fine-tuning worm 21 cooperates with a fine-tuning worm wheel 22 mounted on the frame 1. An eccentric shaft 23 is connected to the worm wheel shaft of the fine-tuning worm wheel 22. A bearing 24 is mounted at the other end of the eccentric shaft 23. The outer ring of the bearing 24 is in free contact with the lower part of the lifting frame 7. A limit rod 25 is also connected to the worm wheel shaft of the fine-tuning worm wheel 22. Limit switches 26 are respectively provided on the frame 1 at the two extreme positions corresponding to the ends of the limit rod 25.

[0037] The frame 1 is provided with a limiting device to restrict the position of the first scraper holder 33; the limiting device includes a limiting seat 27 provided on the frame 1, and a limiting bolt 28 on the limiting seat 27 to push against the first scraper holder 33.

[0038] A guide roller 29 is provided on the frame 1 below the coating roller 2. A receiving tray 30 for catching excess coating is also provided on the frame 1 below the coating roller 2, and an adjustment mechanism 31 for adjusting the vertical position of the receiving tray 30 is provided on the frame 1. A scraper 32 is provided on the frame 1 to remove excess coating from the coating roller 2. The scraper 32 is connected to a scraping worm gear 3 provided on the frame 1, and a scraping worm 4 for driving the scraping worm gear 3 to rotate is provided on the frame 1. An adjusting handwheel 5 is provided at the end of the scraping worm 4.

[0039] The above embodiments are merely illustrative of the principles and effects of the present invention, as well as some examples of its application, and are not intended to limit the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements are all within the scope of protection of the present invention.

Claims

1. A high-precision coating machine, comprising a frame, a coating roller rotatably mounted on the frame, and a coating power device for driving the coating roller to rotate; A C-shaped first scraper holder is hinged to the frame next to the coating roller. The first scraper holder is equipped with a first scraper that cooperates with the coating roller to scrape the fluid coated on the base fabric. The end of the first scraper is rounded. A first scraper cylinder that adjusts the angle of the first scraper holder is hinged to the frame below the coating roller. The stroke of the first scraper cylinder is adjustable. Its features are: A vertically upward-arranged adjustable lifting cylinder is hinged to the frame. A lifting frame is hinged above the coating roller on the frame, and the end of the lifting frame is hinged to the end of the piston rod of the lifting cylinder. A second scraper shaft is hinged to the lifting frame, and a second scraper is provided on the second scraper shaft. The end of the second scraper is arc-shaped. A second adjustable cylinder with adjustable stroke is hinged to the lifting frame, and the end of the piston rod of the second adjustable cylinder is hinged to a drive block connected to the second scraper shaft.

2. The high-precision coating machine as described in claim 1, characterized in that: A pair of inverted L-shaped clamping arms are hinged to the frame. A top mounting plate is mounted on the two inverted L-shaped clamping arms. A pair of guide seats are arranged parallel to the coating roller on the top mounting plate. A movable seat is slidably connected in the guide seats. Two adjustable-stroke material-stopping cylinders that drive the movable seats are arranged opposite to each other on the top mounting plate. A mounting bracket is provided on the movable seat. A guide rail is arranged radially along the coating roller on the mounting bracket. An adjustable-position material-stopping block is provided on the guide rail.

3. The high-precision coating machine as described in claim 2, characterized in that: The frame is equipped with a detection device for detecting the edge of the base fabric, and the detection signal from the detection device controls the movement of the piston rod of the material-blocking cylinder.

4. A high-precision coating machine as described in claim 1, characterized in that: The frame is equipped with a fine-tuning drive mechanism for fine-tuning the position of the lifting frame. The fine-tuning drive mechanism includes a fine-tuning motor mounted vertically on the frame, a fine-tuning worm gear mounted on the output shaft of the fine-tuning motor, a fine-tuning worm gear cooperating with a fine-tuning worm wheel mounted on the frame, an eccentric shaft connected to the worm wheel shaft of the fine-tuning worm wheel, and a bearing mounted at the other end of the eccentric shaft, with the outer ring of the bearing in free contact with the lower part of the lifting frame.

5. A high-precision coating machine as described in claim 4, characterized in that: The worm wheel shaft of the fine-tuning worm wheel is also connected to a limit rod, and limit switches are respectively provided on the frame at the two extreme positions corresponding to the ends of the limit rod.

6. A high-precision coating machine as described in claim 1, characterized in that: The frame is provided with a limiting device to restrict the position of the first scraper frame; the limiting device includes a limiting seat provided on the frame, and the limiting seat is provided with a limiting bolt that pushes against the first scraper frame.

7. A high-precision coating machine as described in claim 1, characterized in that: The frame has a guide roller below the coating roller.

8. A high-precision coating machine as described in claim 1, characterized in that: The frame has a receiving tray below the coating roller to receive excess coating, and a scraper to remove excess coating from the coating roller.

9. A high-precision coating machine as described in claim 8, characterized in that: The shovel is connected to a shovel worm gear mounted on the frame. The frame is equipped with a shovel worm that drives the shovel worm gear to rotate, and an adjusting handwheel is provided at the end of the shovel worm.

10. A high-precision coating machine as described in claim 8 or 9, characterized in that: The frame is equipped with an adjustment mechanism for adjusting the vertical position of the support plate.

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