A horizontal flat wire enamelling machine

Abstract

The utility model relates to a horizontal flat wire enameled wire coating device belongs to enameled wire production technical field. Technical scheme is: the installation board below is equipped with the return paint box below the return paint channel, the bottom of return paint box is inverted V shape bottom, return paint box both sides are equipped with return paint pipe no.

Description

Technical Field

[0001] This utility model relates to a coating device for a horizontal flat wire enameling machine, belonging to the field of enameled wire production technology. Background Technology

[0002] A horizontal flat wire enameling machine is a specialized production equipment that, after the bare copper flat wire has been rolled and drawn, undergoes annealing, cooling and cleaning, coating, and baking processes to uniformly solidify the enamel film on the surface of the bare copper flat wire. Existing horizontal enameling production lines employ a coating method where a complete set of coating equipment (such as...) is installed at the entrance of the baking oven. Figure 6 The painting molds are arranged horizontally on a mold support. The mold support has paint-adding holes located below and to the side of the flat wire. A paint pump applies paint to the flat wire in a jetting manner, and then the flat wire is repeatedly and evenly coated multiple times using the multi-pass painting molds. For example, the applicant's Chinese patent application CN202311597351.0, entitled "A Painting Device and Method for Wide Flat Wires on a Horizontal Enameling Machine," etc.

[0003] In the production of enameled wire, after the bare copper flat wire passes through the enamel-coating area, the enamel-coating mold scrapes off excess enamel. A large amount of enamel collects on the bottom plate of the mold frame into a return tank, and then flows back to the enamel return box for repeated recycling. However, during the entire enamel coating and return process, a large area of ​​the enamel is exposed to the air, resulting in significant odor dispersion, which fails to meet the environmental protection requirements for enameled wire production. Furthermore, the large enamel return volume increases the number of enamel cycles, thus increasing energy consumption and the risk of pollution during the enamel circulation process. Utility Model Content

[0004] The purpose of this utility model is to provide a coating device for a horizontal flat wire enameling machine, which is adapted to the high-speed production of horizontal flat wire enameling production lines, meets the environmental protection requirements of enameled flat wire production, reduces paint recycling, improves production efficiency, ensures product quality, and solves the above-mentioned technical problems existing in the prior art.

[0005] The technical solution of this utility model is: A horizontal flat wire enameling machine coating device includes a mold frame, a mounting plate, and coating molds. The mold frame is mounted on the mounting plate and has multiple coating mold limiting holes arranged in a row. The coating molds are installed in the coating mold limiting holes. Above the coating mold limiting holes, the mold frame has corresponding fixing holes for adding paint pipes. The paint pipes pass through the fixing holes, with their upper ends connected to a paint valve assembly, and their lower outlet located above the inlet end of the coating mold. The mounting plate has mounting holes, with upright plates at both ends. The mold frame is mounted on its respective upright plates, with the entire mold frame positioned above the mounting holes. A first paint cover plate and a second paint cover plate are respectively located on either side of the mounting hole between the two upright plates. Both paint cover plates are inclined inwards towards the mounting hole, with the paint... A return channel is formed between cover plate one and paint cover plate two; a return box is provided below the return channel under the mounting plate, the bottom of the return box is inverted V-shaped, and return pipe one and return pipe two are respectively provided on both sides of the return box, which are connected to the paint filling valve group; an upper paint box is provided on the mounting plate, which covers paint cover plate one, paint cover plate two, mold frame and painting mold. The upper paint box and the return box are tightly connected to the mounting plate, forming a closed structure; the paint filling pipe sprays insulating varnish downwards before the copper flat wire passes through the painting mold, and then the copper flat wire is evenly coated with varnish through the painting mold. Excess insulating varnish automatically flows into the return channel through paint cover plate one and paint cover plate two below and enters the return box. It is then diverted to both sides of the return box through the inverted V-shaped bottom of the return box, and finally flows back to the paint filling valve group for reuse through return pipe one and return pipe two.

[0006] Furthermore, the limiting hole of the painting mold is an oblong hole, the width of which matches the outer diameter of the painting mold. The painting mold is stuck in the limiting hole of the painting mold, and its length is greater than the outer diameter of the painting mold. The painting mold can swing along the length direction of the limiting hole of the painting mold. The painting mold floats freely with the movement of the flat wire under the action of the paint film tension.

[0007] Furthermore, both sides of the paint return box are provided with top covers, and the vertical plates at both ends of the mounting holes of the mounting plate are fixed to the top covers of the paint return box, with the vertical plates extending vertically upward from both ends of the mounting holes of the mounting plate.

[0008] Furthermore, the mold frame is equipped with adjusting shafts at both ends, each bearing a bearing. The mold frame is mounted on the vertical plates at both ends via these bearings. The outer ends of the adjusting shafts extend through the side of the upper paint box, facilitating adjustment of the mold frame's mounting angle. By adjusting the adjusting shafts, the mounting angle of the mold frame can be flexibly adjusted according to the line angle.

[0009] Furthermore, the end section of the paint-adding tube is fixed inside the paint-adding tube fixing hole.

[0010] Furthermore, the inner edges of the first and second paint cover plates are provided with semi-circular holes to facilitate the backflow of paint; the first and second paint cover plates are respectively provided on the front and rear sides of the mold frame, so that the backflow of paint is relatively concentrated and the flow space is relatively closed.

[0011] The beneficial effects of this utility model are: the overall structure is compact and environmentally friendly, easy to adjust and use, reduces energy consumption, and reduces the pollution risk in the recycling process; the compact and flexible paint mold frame and the relatively closed paint return box design structure solve the problems of long paint exposure time, large amount of paint return, and prominent fugitive emissions in the workshop during the production of enameled flat wire. Attached Figure Description

[0012] Figure 1 This is a front view of an embodiment of the present utility model; Figure 2 This is a side view of an embodiment of the present utility model; Figure 3 This is a schematic diagram of the mold frame according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of a painting mold according to an embodiment of the present utility model; Figure 5 This is a schematic diagram of the paint liquid centralized reflux device according to an embodiment of the present invention; Figure 6 This is a schematic diagram of existing technology; In the diagram: 1. Paint adding valve assembly; 2. Control valve; 3. Paint adding pipe; 4. Paint filling box; 5. Mold frame; 6. Paint coating mold; 7. Paint return box; 8. Paint return pipe one; 9. Paint return pipe two; 10. Adjusting shaft; 11. Bearing; 12. Paint cover plate one; 13. Paint cover plate two; 14. Mounting plate; 15. Original paint filling box; 16. Mold support; 17. Mold frame base plate; 18. Paint return channel; 19. Paint adding hole; 20. Copper flat wire; 501. Adjusting shaft mounting hole; 502. Paint adding pipe fixing hole; 503. Paint coating mold limiting hole; 504. Flat wire through hole; 601. Paint coating mold wire through hole; 21. Top cover; 22. Inverted V-shaped bottom; 23. Vertical plate; 24. Paint return channel. Detailed Implementation

[0013] The present invention will be further described below with reference to the accompanying drawings and examples.

[0014] See attached document Figure 1-5A horizontal flat wire enameling machine coating device includes a mold frame 5, a mounting plate 14, and coating molds 6. The mold frame 5 is mounted on the mounting plate 14, and has multiple coating mold limiting holes 503 arranged in a row. The coating molds 6 are installed in the coating mold limiting holes 503. The mold frame 5 above the coating mold limiting holes 503 is provided with a paint adding pipe fixing hole 502. The paint adding pipe 3 passes through the paint adding pipe fixing hole 502, and the upper end of the paint adding pipe 3 is connected to the paint adding valve assembly 1. The lower outlet of the paint tube 3 is located above the inlet of the paint mold 6; the mounting plate 14 has mounting holes, and upright plates 23 are respectively provided at both ends of the mounting holes. The two ends of the mold frame 5 are respectively set on their respective upright plates. The entire mold frame 5 is located above the mounting holes. Paint cover plate one 12 and paint cover plate two 13 are respectively provided on both sides of the mounting holes between the left and right upright plates 23. Paint cover plate one 12 and paint cover plate two 13 are both inclined towards the mounting holes with the outer side higher than the inner side. A return channel 24 is formed between the first paint cover plate 12 and the second paint cover plate 13; a return box 7 is provided below the return channel 24 under the mounting plate 14, the bottom of the return box 7 is an inverted V-shaped bottom 22, and return pipes 8 and 9 are respectively provided on both sides of the return box 7, which are connected to the paint filling valve group 1; a top paint box 4 is provided on the mounting plate 14, which covers the first paint cover plate 12, the second paint cover plate 13, the mold frame 5 and the painting mold 6. Both the top paint box 4 and the return box 7 are tightly attached to the mounting plate 14. The components are tightly connected and form a closed structure. The varnish-filling pipe 3 sprays insulating varnish downwards before the copper flat wire 20 passes through the varnish-coating mold 6. Then, the copper flat wire 20 is evenly coated with varnish through the varnish-coating mold 6. Excess insulating varnish flows automatically into the varnish return channel 24 through the varnish liquid cover plate 12 and varnish liquid cover plate 23 below, and enters the varnish return box 7. It is then diverted to both sides of the varnish return box 7 through the inverted V-shaped bottom 22, and finally flows back to the varnish-filling valve group 1 through the varnish return pipe 1 and varnish return pipe 29 for reuse.

[0015] See attached document Figure 3 The painting mold limiting hole 503 is an elongated oval hole, the width of which matches the outer diameter of the painting mold 6. The painting mold 6 is stuck in the painting mold limiting hole 503, and its length is greater than the outer diameter of the painting mold 6. The painting mold 6 can swing along the length direction of the painting mold limiting hole 503. The painting mold 6 floats freely with the movement of the flat wire under the action of the paint film tension.

[0016] See attached document Figure 1 The return paint box 7 has a top cover 21 on both sides. The two end plates 23 of the mounting holes of the mounting plate 14 are fixed on the top cover 21 of the return paint box 7. The end plates 23 extend vertically upward from the two end plates of the mounting holes of the mounting plate 14.

[0017] See attached document Figure 1The mold frame 5 is provided with adjusting shafts 10 at both ends, and bearings 11 are provided on the adjusting shafts 10. The mold frame 5 is mounted on the upright plates 23 at both ends through the bearings at both ends. The outer end of the adjusting shaft 10 extends out of the side of the upper paint box 4, which facilitates the adjustment of the installation angle of the mold frame 5. The installation angle of the mold frame 5 can be flexibly adjusted according to the line angle by adjusting the adjusting shaft 10.

[0018] The paint box 4 is fixedly connected to the mounting plate 14 by bolts, and the opening on the paint box 4 matches the mounting hole of the mounting plate 14.

[0019] The end section of the paint-adding tube 3 is fixed inside the paint-adding tube fixing hole 502.

[0020] Preferably, the inner edges of the paint cover plate 12 and the paint cover plate 23 are provided with semi-circular holes to facilitate the backflow of paint; the paint cover plate 12 and the paint cover plate 23 are respectively provided on the front and rear sides of the mold frame, so that the backflow of paint is relatively concentrated and the flow space is relatively closed.

[0021] Figure 6 The existing horizontal flat wire enameling machine coating device applies paint to the surface of the flat wire 20 through the paint inlet 19, and the excess paint is scraped off by the coating mold 6. The paint flows and collects on the mold base plate 17 into the paint return tank 18. This method involves a large amount of paint added and a large paint return flow; at the same time, the excess paint is exposed to the air for a long time during the collection process, resulting in significant problems of fugitive emissions at the production site.

[0022] The coating mold 6 has a coating mold wire passage hole 601. The number of mold frames 5 can be multiple, forming a multi-pass coating process; before the copper flat wire 20 passes through the coating mold wire passage hole 601 of the coating mold 6, the paint is applied to the copper flat wire 20 in each pass by the multi-pass paint application pipe in the form of top spraying, and the coating mold 6 achieves repeated uniform coating in multiple passes.

[0023] The paint-adding pipe 3 is equipped with a control valve 2, which enables precise control of the amount of paint added.

[0024] If the painting mold 6 is not installed in the painting mold limiting hole 503 on the mold frame 5, it serves as a flat wire through hole 504 for the copper flat wire 20 to pass through.

[0025] In this embodiment, the paint enters the paint-adding valve assembly 1 from both sides, and the mold frame 5 is provided with sixteen painting mold limiting holes 503. The outlet of the paint box 4 is connected to the inlet of the enameling machine oven, and the paint box 4 is fixedly connected to the mounting plate by bolts. The paint return box is located below the mold frame 5, and the paint return box is connected and fixed to the paint box 4 by adjusting shafts 10 located on both sides of the paint box 4, and the installation angle of the mold frame 5 can be adjusted by adjusting shafts 10. Paint cover plate one and paint cover plate two are respectively provided on the front and rear sides of the mold frame 5, so that the paint return is relatively concentrated and the flow space is relatively closed.

Claims

1. A coating device for a horizontal flat wire enameling machine, characterized in that: The system includes a mold frame (5), a mounting plate (14), and a painting mold (6). The mold frame (5) is mounted on the mounting plate (14), and the mold frame (5) has multiple painting mold limiting holes (503) arranged in a row. The painting mold (6) is installed in the painting mold limiting holes (503). The mold frame (5) above the painting mold limiting holes (503) has a corresponding paint pipe fixing hole (502). The paint pipe (3) passes through the paint pipe fixing hole (502), and the upper end of the paint pipe (3) is connected to the paint valve group (1). The lower end outlet of the paint pipe (3) is located above the inlet end of the painting mold (6). The mounting plate (14) has a mounting hole, and the two ends of the mounting hole are respectively provided with upright plates (23). The two ends of the mold frame (5) are respectively set on their respective upright plates (23). The entire mold frame (5) is located above the mounting hole, with the two upright plates (23) on the left and right sides. Paint cover plate one (12) and paint cover plate two (13) are respectively provided on both sides of the mounting hole. Paint cover plate one (12) and paint cover plate two (13) are both arranged with the outside higher and the inside lower towards the mounting hole. A return channel (24) is formed between paint cover plate one (12) and paint cover plate two (13). A return box (7) is provided below the return channel (24) under the mounting plate (14). The bottom of the return box (7) is an inverted V-shaped bottom (22). A return pipe one (8) and a return pipe two (9) are respectively provided on both sides of the return box (7) and connected to the paint valve group (1). A top paint box (4) is provided on the mounting plate (14) to cover paint cover plate one (12), paint cover plate two (13), mold frame (5) and painting mold (6) inside the top paint box (4). The top paint box (4) and the return box (7) are tightly connected to the mounting plate (14) to form a closed structure.

2. The coating device for a horizontal flat wire enameling machine according to claim 1, characterized in that: The painting mold limiting hole (503) is an elongated oval hole, the width of which matches the outer diameter of the painting mold (6). The painting mold (6) is stuck in the painting mold limiting hole (503), and its length is greater than the outer diameter of the painting mold (6). The painting mold (6) can swing along the length direction of the painting mold limiting hole (503).

3. The painting device for a horizontal flat wire enameling machine according to claim 1, characterized in that: The return paint box (7) is provided with a top cover (21) on both sides. The upright plates (23) at both ends of the mounting hole of the mounting plate (14) are fixed on the top cover (21) of the return paint box (7). The upright plates (23) extend vertically upward from both ends of the mounting hole of the mounting plate (14).

4. The coating device for a horizontal flat wire enameling machine according to claim 1, characterized in that: The end of the paint-adding tube (3) is fixed inside the paint-adding tube fixing hole (502).

5. The coating device for a horizontal flat wire enameling machine according to claim 1, characterized in that: The inner edges of the paint cover plate one (12) and the paint cover plate two (13) are provided with semi-circular holes.

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