CN219123028U - Paint scraping die for enamelled rectangular copper wire - Google Patents
Paint scraping die for enamelled rectangular copper wire Download PDFInfo
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- CN219123028U CN219123028U CN202223543983.2U CN202223543983U CN219123028U CN 219123028 U CN219123028 U CN 219123028U CN 202223543983 U CN202223543983 U CN 202223543983U CN 219123028 U CN219123028 U CN 219123028U
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- paint scraping
- copper wire
- swing arm
- die
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Abstract
The utility model provides a paint scraping die for enamelled rectangular copper wires, and belongs to the technical field of enamelled wire production equipment. The paint scraping device comprises a rectangular paint box and a plurality of mounting grooves arranged on the paint box, wherein a paint scraping die is arranged in each mounting groove, each paint scraping die comprises a limiting head and a profile tube, a mounting opening communicated with an inner hole of the profile tube is formed in the limiting head, the cross section of the inner hole of the profile tube is matched with the cross section of a copper wire to be painted, the top of the mounting opening is hinged with a swing arm I, the lower end of the swing arm I is rotationally connected with a paint scraping roller I, the paint scraping roller I is provided with a profile groove I, the middle part of the swing arm I is hinged with a swing arm II, the lower end of the swing arm II is rotationally connected with a paint scraping roller II, the paint scraping roller II is provided with a groove II, and the paint scraping roller I is parallel to the paint scraping roller II; the swing arm I and the swing arm II can be respectively positioned at the upper side and the lower side of the copper wire to be painted under the natural hanging state so as to clamp the copper wire to be painted. The utility model has the advantages of even paint scraping and the like.
Description
Technical Field
The utility model belongs to the technical field of enameled wire production equipment, and relates to a paint scraping die for enameled rectangular copper wires.
Background
Enameled wires are also called electromagnetic wires, provide electromagnetic fields in the form of coils, are widely applied to communication equipment, and flat wires (with flat cross sections) have higher slot filling rate and higher performance advantage in electronic products with extremely high flattening requirements due to higher slot filling rate and higher electrical performance; the enamelled wire is covered with an insulating layer, a self-adhesive layer and the like, and the traditional process generally adopts a felt mode to paint and scrape paint, so that the structure is simple, but the silk fiber structure of the felt also can influence the uniformity of the paint and the surface smoothness after the paint is applied, and especially for flat wires, the defect of uneven paint application of the felt is remarkable.
After painting, the thickness of a paint film needs to be controlled, namely paint scraping is performed, and the paint scraping mode of the felt in the prior art cannot be well adapted to fluctuation in the copper wire traction process, so that non-uniformity of the paint film is easily caused.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a paint scraping die for enamelled rectangular copper wires, and the technical problem to be solved by the utility model is how to improve the uniformity of paint scraping.
The aim of the utility model can be achieved by the following technical scheme: the paint scraping die is characterized by comprising a rectangular paint box and a plurality of mounting grooves arranged on the paint box, wherein a paint scraping die is arranged in each mounting groove, each paint scraping die comprises a limiting head and a profile tube, a positioning opening communicated with an inner hole of the profile tube is arranged in each limiting head, the cross section of the inner hole of the profile tube is matched with the cross section of a copper wire to be painted, a swing arm I is hinged to the top of each positioning opening, a paint scraping roller I is rotatably connected to the lower end of each swing arm I, a first groove is formed in each paint scraping roller I, a swing arm II is hinged to the middle of each swing arm I, a paint scraping roller II is rotatably connected to the lower end of each swing arm II, a second groove is formed in each paint scraping roller II, and the paint scraping rollers I and II are parallel; the first swing arm and the second swing arm can be respectively positioned at the upper side and the lower side of the copper wire to be painted under the natural hanging state so as to clamp the copper wire to be painted.
The copper wire can drive the swing arm to swing towards the copper wire traction direction in the traction process, at the moment, the first paint scraping roller contacts the copper wire, meanwhile, the swing of the swing arm can drive the swing arm II to swing in a small amplitude, so that the second paint scraping roller is lifted to a certain height, and further the second paint scraping roller can contact the copper wire, therefore, in the copper wire traction process, the first paint scraping roller and the second paint scraping roller are respectively positioned on the upper side and the lower side of the copper wire, the first copper wire is guided, limited and scraped by the first copper wire and the second copper wire, and the mode can be self-adaptive to the copper wire with a certain size range and also can be self-adaptive to the strength of paint scraping;
further, the bottom surface of the placement opening is an inclined surface which is convenient for paint to flow out of the placement opening.
Further, the profile tube has longitudinal and transverse clearance in the mounting groove.
The paint scraping die is in a floating state, can adapt to small-amplitude fluctuation of a copper wire traction path, and avoids interference and stress concentration on the copper wire.
Further, a cover plate is arranged on the upper surface of the painting box and hinged to one side wall of the painting box parallel to the wiring direction of the copper wire to be painted.
Further, the cover plate is made of transparent materials.
Further, the inner side of the mounting groove is provided with a limiting step matched with the limiting head.
Drawings
Fig. 1 is a schematic perspective view of a paint cartridge.
Fig. 2 is a schematic view of the structure of the paint box cover after removal.
Fig. 3 is a cross-sectional view of the paint cartridge along the path of travel.
Fig. 4 is a cross-sectional view of a paint die.
Fig. 5 is a schematic perspective view of the first swing arm and the second swing arm.
In the figure, 1, a painting box; 21. a first wire slot; 22. a paint groove; 23. a mounting groove; 24. a second wire slot; 25. a third wire slot; 26. a cover plate; 31. a grip roll; 32. a positioning head; 33. a profile tube; 34. a swing arm I; 35. a first paint scraping roller; 36. swing arm II; 37. a paint scraping roller II; 4. and a reflux groove.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the painting device for enamelled rectangular copper wires comprises a rectangular painting box 1, wherein a plurality of first wire grooves 21 are alternately arranged on one of the straight side walls of the painting box 1, a plurality of mounting grooves 23 which are in one-to-one correspondence with the first wire grooves 21 are arranged on the other straight side wall of the painting box 1 parallel to the straight side wall on which the first wire grooves 21 are arranged, paint scraping dies are arranged in the mounting grooves 23, paint grooves 22 and recovery grooves are also arranged in the painting box 1, second wire grooves 24 and third wire grooves 25 for wiring are respectively arranged on the side walls of two perpendicular copper wire travelling paths of the paint grooves 22, the second wire grooves 24 and the third wire grooves 25 penetrate through the upper edges of the side walls of the paint grooves 22, the recovery grooves are arranged at the bottom of the painting box 1, and to-be-painted sequentially pass through the first wire grooves 21, the second wire grooves 24, the upper parts of the recovery grooves and the mounting grooves 23; the painting device also comprises a feed water pump for feeding paint liquid into the paint tank 22 and a discharge water pump for pumping out the paint liquid in the recovery tank.
The liquid level of the paint liquid in the paint groove 22 needs to be higher than the bottoms of the second wire groove 24 and the third wire groove 25, but cannot be higher than the top of the paint box, as the polyurethane paint liquid or the polyamide paint also has certain viscosity, part of the paint liquid can be scraped away from the third wire groove 25 by using the surface tension of the paint liquid when the copper wire passes through the second wire groove 24 and the third wire groove 25, the liquid level of the paint liquid bulges slightly higher than the bottoms of the second wire groove 24 and the third wire groove 25, the copper wire can be coated by the liquid, the soaking of the copper wire in the paint liquid and the updating of the paint liquid can be realized, and the discharging speed of the paint liquid can be controlled slowly, so that the paint liquid has better paint uniformity due to the coating of the copper wire by the liquid paint liquid, the paint liquid which possibly contacts the copper wire in the paint box can be led out, the part of the paint liquid can be discharged to the position of the reflow groove 4, and the consumption of the paint liquid is relatively low.
The upper surface of the painting box 1 is provided with a cover plate 26, the cover plate 26 is hinged on one side wall of the painting box 1 parallel to the wiring direction of the copper wire to be painted, and the cover plate 26 is made of transparent materials.
The first wire slot 21 penetrates through the upper edge of the side wall of the painting box 1, and the mounting slot 23 penetrates through the upper edge of the side wall of the painting box 1.
The copper wire to be painted is clamped and guided by two clamping rollers 31 before entering the first wire slot 21.
The effect of grip rolls 31 is not only to lead copper line, because this scheme is the japanning to rectangular enameled wire, consequently needs to ensure that the enameled wire passes straight, and two grip rolls 31 can avoid the copper line to be in straight state before entering the japanning process.
The inner side of the mounting groove 23 is provided with a limit step. The cover plate 26 is a limiting plate of the upper notch of the first wire groove 21, the second wire groove 24, the third wire groove 25 and the mounting groove 23, and is also a cover plate 26 for avoiding the volatilization of paint liquid in a large amount, and the cover plate 26 made of transparent materials is convenient for observing the conditions of wiring, the liquid level in the paint groove 22 and the like. Meanwhile, a limiting plate for limiting the paint scraping die to slide away from the interior of the painting box 1 is arranged on the lower surface of the cover plate 26, and is matched with a limiting step after the cover plate 26 is covered on the painting box 1, so that limiting in the left and right directions of the limiting head 32 is realized, however, a small gap exists in the limiting, and the paint scraping die is provided with a small movable space with three dimensions of front, back, left and right and longitudinal so as to adapt to fluctuation of a copper wire routing path.
As shown in fig. 4 and 5, the paint scraping die comprises a limiting head 32 and a forming tube 33, wherein a setting opening communicated with an inner hole of the forming tube 33 is formed in the limiting head 32, the cross section of the inner hole of the forming tube 33 is matched with the cross section of a copper wire to be painted, a swing arm I34 is hinged to the top of the setting opening, a paint scraping roller I35 is rotatably connected to the lower end of the swing arm I34, a forming groove I is formed in the paint scraping roller I35, a swing arm II 36 is hinged to the middle of the swing arm I34, a paint scraping roller II is rotatably connected to the lower end of the swing arm II 36, the forming groove II is formed in the paint scraping roller II, and the paint scraping roller I35 and the paint scraping roller II are parallel; the swing arm I34 and the swing arm II 36 can be respectively positioned at the upper side and the lower side of the copper wire to be painted in a natural hanging state to clamp the copper wire to be painted.
The copper wire can drive the swing arm I34 to swing towards the copper wire traction direction in the traction process, at the moment, the paint scraping roller I35 contacts the copper wire, meanwhile, the swing of the swing arm I34 can drive the swing arm II 36 to swing in a small amplitude, so that the paint scraping roller II is lifted to a certain height, and further the paint scraping roller II can contact the copper wire, therefore, in the copper wire traction process, the paint scraping roller I35 and the paint scraping roller II are respectively positioned on the upper side and the lower side of the copper wire, the copper wire is guided, limited and scraped by the type groove I and the type groove II, and the mode can be self-adaptive to the copper wire with a certain size range and can also be self-adaptive to the strength of paint scraping; when threading, firstly, the cover plate 26 is opened, then the paint scraping mould is taken out, the opening of the limiting head 32 is inclined downwards or downwards, at this time, under the action of gravity, the swing arm I34 and the swing arm II 36 extend out of the arrangement openings, copper wires pass through the paint scraping roller I35 and the paint scraping roller II, then the paint scraping mould is placed in the mounting groove 23, and the cover plate 26 is covered.
The paint liquid is supplied into the paint groove 22, and the entering speed is only controlled, so that the feeding speed is consistent with the consumption speed of the paint liquid during wiring, and the liquid level of the paint liquid in the paint groove 22 is kept slightly higher than the bottoms of the second limit groove and the third limit groove.
The bottom surface of the placement opening is an inclined surface which is convenient for paint to flow out of the placement opening.
The profile tube 33 has a longitudinal and a transverse play in the mounting groove 23. The paint scraping die is in a floating state, can adapt to small-amplitude fluctuation of a copper wire traction path, and avoids interference and stress concentration on the copper wire.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The paint scraping die for the enamelled copper rectangular wire is characterized by comprising a rectangular paint box (1) and a plurality of mounting grooves (23), wherein a paint scraping die is arranged in each mounting groove (23), the paint scraping die comprises a limiting head (32) and a profile tube (33), a setting port communicated with an inner hole of the profile tube (33) is arranged in the limiting head (32), the cross section of the inner hole of the profile tube (33) is matched with the cross section of a copper wire to be painted, a swing arm I (34) is hinged to the top of the setting port, a paint scraping roller I (35) is rotatably connected to the lower end of the swing arm I (34), a profile groove I is arranged on the paint scraping roller I (35), a swing arm II (36) is hinged to the middle of the swing arm I (34), a paint scraping roller II is rotatably connected to the lower end of the swing arm II (36), the paint scraping roller II is provided with a profile groove II, and the paint scraping roller I (35) is parallel to the paint scraping roller II; the swing arm I (34) and the swing arm II (36) can be respectively positioned at the upper side and the lower side of the copper wire to be painted in a natural hanging state to clamp the copper wire to be painted.
2. The paint scraping die for enamelled rectangular copper wire according to claim 1, wherein a cover plate (26) is arranged on the upper surface of the paint box (1), and the cover plate (26) is hinged on one side wall of the paint box (1) parallel to the wiring direction of the copper wire to be painted.
3. A paint scraping die for enamelled rectangular copper wire in accordance with claim 2, wherein said cover plate (26) is made of transparent material.
4. A paint scraping die for enamelled rectangular copper wire according to claim 1, 2 or 3, characterized in that the inside of the mounting groove (23) has a limit step adapted to a limit head (32).
5. A paint scraping die for an enameled rectangular copper wire according to claim 4 wherein the bottom surface of said mounting opening is a beveled surface for facilitating paint to also flow out of the mounting opening.
6. A paint scraping die for enamelled rectangular copper wire in accordance with claim 4, wherein said profile tube (33) has longitudinal and transverse clearance in the mounting groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223543983.2U CN219123028U (en) | 2022-12-27 | 2022-12-27 | Paint scraping die for enamelled rectangular copper wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223543983.2U CN219123028U (en) | 2022-12-27 | 2022-12-27 | Paint scraping die for enamelled rectangular copper wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219123028U true CN219123028U (en) | 2023-06-02 |
Family
ID=86530713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223543983.2U Active CN219123028U (en) | 2022-12-27 | 2022-12-27 | Paint scraping die for enamelled rectangular copper wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219123028U (en) |
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2022
- 2022-12-27 CN CN202223543983.2U patent/CN219123028U/en active Active
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