A flat wire laser paint stripping device

Abstract

The application relates to a flat wire laser paint stripping device and belongs to the technical field of flat wire motor manufacturing. The flat wire laser paint stripping device comprises a workbench, a laser emitter and a placing table for placing and moving the flat wire. The placing table comprises a clamping base fixed to the workbench and a clamping assembly arranged on the clamping base and used for clamping the flat wire. The clamping assembly comprises a sliding placing frame slidingly arranged on the placing table and a clamping recess block detachably installed on the sliding placing frame and used for placing the flat wire. The clamping recess block is provided with a clamping recess for placing the flat wire. The application has the effect that the hands of an operator are kept away from the laser region, and the flat wire is adjusted in a non-contact mode.

Description

Technical Field

[0001] This application relates to the field of flat wire motor manufacturing technology, and in particular to a flat wire laser stripping device. Background Technology

[0002] In electric drive systems, flat-wire motors have become the core choice for mainstream automakers due to their significant advantages such as high winding fill factor and high power density. To achieve electrical insulation between windings, the surface of the flat wire is pre-coated with multiple layers of high-temperature resistant insulating varnish. However, the insulating varnish layer at the ends of the flat wire can become an obstacle to welding. If the insulating varnish is not completely removed, it will lead to increased contact resistance at the weld, and in severe cases, even cause the winding to open circuit. Therefore, removing the insulating varnish from the ends of the flat wire is an indispensable and critical step in the fabrication of flat-wire stator coils.

[0003] Currently, laser stripping technology is the mainstream solution for removing varnish from flat wire stator coils in the industry. Existing flat wire laser stripping equipment includes a worktable, a laser emitter, and a placement platform for placing and moving the flat wire. In actual production operations, the workflow of this type of equipment is roughly as follows: the operator places the flat wire stator to be stripped on the placement platform, manually adjusts the stator position so that the end of the flat wire is aligned with the light output port of the laser emitter, and then activates the laser emitter to emit a laser beam that acts on the insulating varnish layer at the end of the flat wire. The laser energy instantly vaporizes or carbonizes the insulating varnish, thus achieving varnish removal.

[0004] Regarding the aforementioned technologies, if a deviation is found between the end of the flat wire and the laser beam during the paint removal process, the operator needs to manually adjust the position of the flat wire clamping device or directly touch the flat wire with their hand for fine adjustment, which poses potential risks. Utility Model Content

[0005] To allow operators to keep their hands away from the laser area and adjust the flat wire in a non-contact manner, this application provides a flat wire laser paint stripping device.

[0006] The flat wire laser paint stripping device provided in this application adopts the following technical solution: A flat wire laser stripping device includes a worktable, a laser emitter, and a placement platform for placing and moving flat wires. The placement platform includes a clamping base fixed to the worktable and a clamping assembly disposed on the clamping base for clamping the flat wires. The clamping assembly includes a sliding placement frame slidably disposed on the placement platform and a clamping recess detachably mounted on the sliding placement frame for placing the flat wires. The clamping recess has a clamping groove for placing the flat wires.

[0007] By adopting the above technical solution, the flat wire can be stably placed in the clamping groove of the clamping block, reducing the probability of flat wire displacement. When it is necessary to adjust the relative position of the flat wire and the laser emitter, there is no need to manually touch the flat wire. Simply push the sliding placement frame along the clamping base to reduce the risk of hand contact with the flat wire or approaching the laser area. At the same time, the clamping block is detachable and can be replaced with a suitable clamping block according to different specifications of flat wire, improving the adaptability of the device.

[0008] Optionally, a first plunger component is provided on the side wall of the sliding placement rack. The first plunger component includes a plunger housing, a first ball head, and a first spring. One end of the first spring is fixedly connected to the first ball head, and the other end of the first spring is fixed to the inner wall of the plunger housing. The clamping base has a plunger groove corresponding to the paint removal length of the flat wire on the side facing the first ball head. The plunger groove limits the first ball head in the length direction of the placement platform.

[0009] By adopting the above technical solution, when the sliding placement rack slides, the first ball head slides in the plunger groove, and the first spring can always keep the first ball head in contact with the inner wall of the plunger groove; the length of the plunger groove corresponds to the paint removal length of the flat wire, and when the first ball head slides to the end of the plunger groove, it can automatically limit the sliding placement rack from continuing to move, thereby achieving the positioning of the paint removal length of the flat wire.

[0010] Optionally, the sliding placement rack is provided with sliding wheels, and the clamping base is provided with sliding grooves along its length corresponding to the sliding wheels.

[0011] By adopting the above technical solution, the sliding wheel and the sliding groove cooperate to greatly reduce the sliding resistance of the sliding placement frame on the clamping base, making it easier for the operator to push the sliding placement frame and making the sliding adjustment process more stable.

[0012] Optionally, the sliding placement rack is provided with a pull ring on the side away from the laser emitter.

[0013] By adopting the above technical solution, the pull ring provides operators with a convenient point of force application, and the pull ring is located on the side away from the laser emitter, which can further increase the distance between the operator and the laser area and reduce the operational risk.

[0014] Optionally, the sliding placement frame is provided with a serrated protrusion on the side facing the clamping recess, the serrated protrusion being a ratchet, and the clamping recess having a ratchet groove adapted to the serrated protrusion.

[0015] By adopting the above technical solution, the ratchet and ratchet groove have a one-way locking characteristic. When installing the clamping recess, the ratchet is aligned with the ratchet groove and pushed in, which can realize the quick positioning and initial fixation of the clamping recess, preventing the clamping recess from shifting laterally during the sliding of the sliding placement frame. At the same time, the ratchet structure also makes it easy to fine-tune the installation position of the clamping recess according to the needs, thereby improving the clamping stability.

[0016] Optionally, the sliding placement frame is provided with a limiting component along the ratchet direction. The limiting component includes a limiting baffle and a limiting spring. The sliding placement frame has a limiting groove for installing the limiting component. One end of the limiting spring is fixedly connected to the limiting baffle, and the other end of the limiting spring is fixed to the inner wall of the limiting groove.

[0017] By adopting the above technical solution, the inner wall of the limiting groove can drive the limiting baffle to always press against the side wall of the clamping recess, forming a one-way limiting on the clamping recess. With the ratchet and ratchet groove having a one-way locking opposite to the limiting baffle, the lateral fixation of the clamping recess is achieved. When it is necessary to disassemble the clamping recess, simply press the limiting baffle into the pressing groove, compress the limiting spring and push the clamping recess to disassemble it, further improving the disassembly and assembly efficiency of the clamping recess.

[0018] Optionally, the sliding placement frame is provided with a pressure plate bracket corresponding to the clamping recess, the pressure plate bracket is provided with a flat wire pressure plate for pressing the flat wire, the flat wire pressure plate is provided with a threaded post for pushing the flat wire pressure plate, the end of the threaded post near the flat wire pressure plate is provided with a bearing, and the pressure plate bracket is provided with a threaded through hole for the threaded post to rotate and slide.

[0019] By adopting the above technical solution, when the threaded column is rotated, the threaded column moves along the threaded through hole. The rotational force of the threaded column is converted into a thrust on the push plate through the bearing component, which pushes the flat wire pressure plate to move towards the clamping recess, pressing the flat wire tightly in the clamping recess. This reduces the displacement of the flat wire due to laser impact or vibration during the paint peeling process. The clamping force can also be adjusted according to the thickness of the flat wire to adapt to different specifications of flat wire.

[0020] Optionally, the sidewall of the clamping recess is symmetrically provided with a second plunger member along the length direction of the sliding placement frame. The second plunger member includes a second ball head and a second spring. The pressure plate bracket is provided with a plunger ball groove that locks with the second ball head. The clamping recess is provided with a plunger groove for installing the second plunger member.

[0021] By adopting the above technical solution, a second method for disassembling and assembling the clamping recess is disclosed. When installing the clamping recess, the second ball head is embedded in the plunger ball groove of the pressure plate bracket under the action of the second spring, so that the clamping recess is locked on the sliding placement frame. When it is necessary to adjust or disassemble the clamping recess, the second ball head can be disengaged from the plunger ball groove by pushing the clamping recess with slight force, so that the clamping recess is released from the locked state with the sliding placement frame.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. The non-contact adjustment of the flat wire position is achieved through the sliding placement rack. Combined with the clamping recess and flat wire pressure plate, the design of the pull ring away from the laser area reduces the risk of operators touching the flat wire or getting close to the laser, thus improving operational safety. 2. Both methods of assembling and disassembling the clamping recess can increase the stability of the flat wire during the paint removal process and reduce the displacement of the flat wire. At the same time, the ease of assembling and disassembling the clamping recess allows for the installation of corresponding clamping recesses for flat wires of different specifications, making the device highly compatible. 3. Optimizations in details such as pull rings and sliding wheels, by adjusting force transmission and reducing friction, make the overall paint removal process simpler and more efficient, reducing the difficulty of operation for operators and improving production efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0024] Figure 2 This is a schematic diagram of the clamping base structure of Embodiment 1 of this application.

[0025] Figure 3 This is a cross-sectional view of the sliding placement rack in Embodiment 1 of this application.

[0026] Figure 4 This is a schematic diagram of the clamping recess and sliding placement frame of Embodiment 1 of this application.

[0027] Figure 5 This is a cross-sectional view of the limiting component in Embodiment 1 of this application.

[0028] Figure 6 This is a schematic diagram of the clamping recess and sliding placement frame of Embodiment 2 of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Worktable; 2. Laser emitter; 3. Placement stage; 31. Clamping base; 311. Plunger groove; 32. Clamping assembly; 321. Sliding placement frame; 3211. Serrated protrusion; 3212. Limiting groove; 322. Clamping recess; 3221. Clamping groove; 3222. Ratchet groove; 3223. Plunger groove; 33. Sliding wheel; 34. Sliding groove; 35. First plunger component; 51. Plunger housing; 352. First ball head; 353. First spring; 36. Limiting assembly; 361. Limiting baffle; 362. Limiting spring; 37. Pressure plate bracket; 371. Flat wire pressure plate; 372. Threaded column; 373. Bearing component; 374. Threaded through hole; 375. Plunger ball groove; 38. Second plunger component; 381. Second ball head; 382. Second spring; 4. Pulling ring; 5. Protective baffle. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0031] This application discloses a flat wire laser paint stripping device.

[0032] Example 1:

[0033] Reference Figure 1 A flat wire laser stripping device includes a worktable 1, a laser emitter 2, and a placement platform 3 for placing and moving the flat wire. The worktable 1 is generally rectangular and has spaced screw holes. The laser emitter 2 and the placement platform 3 are bolted to the worktable 1, and their positions on the worktable 1 are adjusted by inserting them into different screw holes. A protective baffle 5 is also installed on the worktable 1 corresponding to the laser head on the laser emitter 2.

[0034] Reference Figure 2 and Figure 3 The placement platform 3 includes a clamping base 31 fixed to the workbench 1 and a clamping assembly 32 disposed on the clamping base 31 for clamping the flat wire. The clamping base 31 has an L-shaped cross-section and is fixedly connected to the workbench 1 by bolts. The clamping assembly 32 includes a sliding placement frame 321 slidably disposed on the placement platform 3 and a clamping recess 322 detachably mounted on the sliding placement frame 321 for placing the flat wire. The clamping recess 322 has a clamping groove 3221 adapted to the width of the flat wire, so that the flat wire can be stably placed in the clamping groove 3221 of the clamping recess 322, reducing the probability of the flat wire shifting.

[0035] The sliding placement frame 321 has two sets of sliding wheels 33 at its bottom, and the clamping base 31 has sliding grooves 34 along its length corresponding to the sliding wheels 33. The sliding wheels 33 cooperate with the sliding grooves 34 to reduce the sliding resistance of the sliding placement frame 321 on the clamping base 31, making the sliding adjustment process more stable.

[0036] Reference Figure 1 and Figure 2 A pull ring 4 is installed on the side of the sliding placement rack 321 away from the laser emitter 2. The pull ring 4 provides the operator with a convenient point of force application and can further increase the distance between the operator's hand and the laser area, reducing the risk of operation.

[0037] Reference Figure 2 and Figure 3 A first plunger component 35 is provided on the side wall of the sliding placement frame 321. The first plunger component 35 includes a plunger housing 351, a first ball head 352, and a first spring 353. The plunger housing is threadedly installed on the sliding placement frame. One end of the first spring 353 is fixedly connected to the first ball head 352, and the other end of the first spring 353 is fixed to the inner wall of the plunger housing 351. When the sliding placement frame 321 slides on the clamping base 31, the first ball head 352 is squeezed by the side wall of the clamping base 31, causing the first ball head 352 to retract into the plunger housing 351.

[0038] The clamping base 31 has a plunger groove 311 on the side facing the first ball head 352, corresponding to the paint removal length of the flat wire. The plunger groove 311 is a hollow semi-cylinder with a semi-circular cross-section. When the first ball head 352 slides into the plunger groove 311, the elastic restoring force of the first spring 353 causes the first ball head 352 to press tightly against the inner wall of the plunger groove 311, increasing the friction between the sliding placement frame 321 and the side wall of the clamping base 31, and reducing the possibility of displacement of the sliding placement frame 321 due to vibration or other reasons during the paint removal process.

[0039] The length of the plunger groove 311 corresponds to the paint removal length of the flat wire. It can limit the first ball head 352 in the length direction of the clamping base 31, restrict the sliding placement rack 321 from excessive sliding during the paint removal process, so as to prevent the laser from deviating from the original paint removal range of the flat wire and ensure the paint removal length of the flat wire.

[0040] Reference Figure 4The sliding placement frame 321 has a serrated protrusion 3211 on the side facing the clamping recess 322. The serrated protrusion 3211 is a ratchet, and the ratchet is parallel to the length direction of the clamping base 31. The clamping recess 322 has a ratchet groove 3222 that matches the serrated protrusion 3211. The ratchet has a certain deformation capability, which can make the serrated protrusion 3211 fit into the ratchet groove 3222. When installing the clamping recess 322, the ratchet groove 3222 is aligned with the ratchet and pushed in, which can quickly position and fix the clamping recess 322. At the same time, the clamping recess 322 is detachable, and the clamping recess 322 can be replaced with a suitable clamping recess 322 according to different specifications of flat wire, improving the adaptability of the device.

[0041] Reference Figure 5 The sliding placement frame 321 has a limiting component 36 at the end of the clamping recess 322 facing the laser emitter 2. The limiting component 36 includes a limiting baffle 361 and a limiting spring 362. The sliding placement frame 321 has a limiting groove 3212 for mounting the limiting component 36. One end of the limiting spring 362 is fixedly connected to the limiting baffle 361, and the other end of the limiting spring 362 is fixed to the inner wall of the limiting groove 3212. The limiting baffle 361 has a trapezoidal cross-section, and its top surface is lower than the clamping groove 3221 of the clamping recess 322. Under the support of the inner wall of the limiting groove 3212, the limiting baffle 361 can tightly abut against the side wall of the clamping recess 322, restricting the tendency of the clamping recess 322 to slide towards the limiting baffle 361.

[0042] Reference Figure 3 The sliding placement frame 321 is integrally equipped with a pressure plate bracket 37 corresponding to the clamping recess 322. The cross-section of the pressure plate bracket 37 is inverted U-shaped. The pressure plate bracket 37 is equipped with a flat wire pressure plate 371 for pressing the flat wire, and the center of the flat wire pressure plate 371 corresponds to the center of the clamping recess 3221. The flat wire pressure plate 371 has a threaded post 372, which is connected to the flat wire pressure plate 371 through a bearing 373. The bearing 373 is fixedly connected to the threaded post 372, and the flat wire pressure plate 371 has an anti-drop cover at the connection point with the threaded post 372. The pressure plate bracket 37 has a threaded through hole 374 for the threaded post 372 to rotate and slide. When the threaded post 372 moves along the threaded through hole 374, it pushes the flat wire pressure plate 371 to move towards the clamping recess 322, pressing the flat wire into the clamping recess 3221, further reducing the displacement of the flat wire due to laser impact or vibration during the paint peeling process.

[0043] The implementation principle of the flat wire laser stripping device in this embodiment is as follows: The ratchet groove 3222 of the clamping recess 322 is aligned with the ratchet and inserted. The device slides along the serrated protrusion 3211 until it abuts against the side wall of the clamping recess 322 and the limiting baffle 361, thus completing the installation of the clamping recess 322. The flat wire is placed in the clamping recess 3221, and the sliding placement frame 321 is pushed to slide along the sliding groove 34. When the first ball head 352 on the side wall of the sliding placement frame 321 is embedded in the plunger sliding groove 311, the flat wire is adjusted so that its end is aligned with the emitting head of the laser emitter 2. Then, the threaded post 372 on the pressure plate bracket 37 is rotated, thereby driving the flat wire pressure plate 371 to press the flat wire in the clamping recess 3221. The laser emitter 2 is activated, and the sliding placement frame 321 is moved within the length range of the plunger sliding groove 311, so that the laser beam can act evenly on the area of ​​the flat wire to be stripped, achieving uniform removal of the insulation coating of the flat wire. Turn off the laser emitter 2, pull the pull ring 4 to disengage the first ball head 352 of the sliding placement bracket 321 from the plunger groove 311. Rotate the threaded column 372 to release the flat wire clamping plate 371 from the flat wire clamping state, and pull the flat wire out of the clamping groove 3221 and place it in the preparation area for the next flat wire processing stage. If you want to perform paint removal operation on flat wires of different specifications, press the limiting baffle 361 into the limiting groove 3212, and at the same time slide the clamping recess 322. The limiting baffle 361 will be squeezed into the limiting groove 3212 by the bottom of the clamping recess 322, and will not be able to limit the clamping recess 322. After removing the clamping recess 322, install the appropriate clamping recess 322 according to the specifications of the flat wire to be painted, and repeat the above paint removal operation. Example 2:

[0044] Except for the different assembly and disassembly methods of the clamping recess 322 and the sliding placement rack 321, the rest of the structure in this embodiment is consistent with that in embodiment 1.

[0045] Reference Figure 6 A second plunger 38 is symmetrically mounted on the side wall of the clamping recess 322 along the length of the sliding placement frame 321. The second plunger 38 includes a second ball head 381 and a second spring 382. The pressure plate bracket 37 has a plunger ball groove 375 that locks into the second ball head 381. The clamping recess 322 has a plunger groove 3223 for mounting the second plunger 38. Under the action of the second spring 382, ​​the second ball head 381 is embedded into the plunger ball groove 375 of the pressure plate bracket 37, thereby locking the clamping recess 322 onto the sliding placement frame 321.

[0046] The implementation principle of the flat wire laser paint stripping device in this embodiment is as follows: When the clamping recess 322 is installed, the second ball head 381 on the side wall of the clamping recess 322 is squeezed and retracted into the plunger groove 3223 by the side wall of the pressure plate bracket 37, pushing the clamping recess 322. This causes the second ball head 381 to embed into the plunger ball groove 375 under the elastic action of the second spring 382, ​​thus locking the clamping recess 322. Then, a suitable flat wire is placed in the clamping groove 3221 for the paint stripping operation described in Embodiment 1. When it is necessary to disassemble the clamping recess 322, a slight push on the clamping recess 322 will disengage the second ball head 381 from the plunger ball groove 375, releasing the clamping recess 322 from the locked state with the sliding placement bracket 321.

[0047] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A flat wire laser stripping device, comprising a worktable (1), a laser emitter (2), and a placement table (3) for placing and moving the flat wire, characterized in that, The placement platform (3) includes a clamping base (31) fixed to the workbench (1) and a clamping assembly (32) disposed on the clamping base (31) for clamping flat wire. The clamping assembly (32) includes a sliding placement frame (321) slidably disposed on the placement platform (3) and a clamping recess (322) detachably mounted on the sliding placement frame (321) for placing flat wire. The clamping recess (322) has a clamping groove (3221) for placing flat wire.

2. The flat wire laser paint stripping device according to claim 1, characterized in that, The sliding placement rack (321) is provided with a first plunger component (35) on its side wall. The first plunger component (35) includes a plunger housing (351), a first ball head (352), and a first spring (353). One end of the first spring (353) is fixedly connected to the first ball head (352), and the other end of the first spring (353) is fixed to the inner wall of the plunger housing (351). The clamping base (31) is provided with a plunger groove (311) on the side facing the first ball head (352) that corresponds to the length of the flat wire paint removal. The plunger groove (311) limits the first ball head (352) in the length direction of the placement platform (3).

3. The flat wire laser paint stripping device according to claim 1, characterized in that, The sliding placement rack (321) is provided with sliding wheels (33), and the clamping base (31) has a sliding groove (34) along its length direction corresponding to the sliding wheels (33).

4. The flat wire laser paint stripping device according to claim 3, characterized in that, A pull ring (4) is provided on the side of the sliding placement rack (321) away from the laser emitter (2).

5. The flat wire laser paint stripping device according to claim 1, characterized in that, The sliding placement rack (321) is provided with a serrated protrusion (3211) on the side facing the clamping recess (322). The serrated protrusion (3211) is a ratchet, and the clamping recess (322) is provided with a ratchet groove (3222) that matches the serrated protrusion (3211).

6. The flat wire laser paint stripping device according to claim 5, characterized in that, The sliding placement rack (321) is provided with a limiting component (36) along the ratchet direction. The limiting component (36) includes a limiting baffle (361) and a limiting spring (362). The sliding placement rack (321) has a limiting groove (3212) for the installation of the limiting component (36). One end of the limiting spring (362) is fixedly connected to the limiting baffle (361), and the other end of the limiting spring (362) is fixed to the inner wall of the limiting groove (3212).

7. The flat wire laser paint stripping device according to claim 1, characterized in that, The sliding placement frame (321) is provided with a pressure plate bracket (37) corresponding to the clamping recess (322). The pressure plate bracket (37) is provided with a flat wire pressure plate (371) for pressing the flat wire. The flat wire pressure plate (371) is provided with a threaded post (372) for pushing the flat wire pressure plate (371). The end of the threaded post (372) near the flat wire pressure plate (371) is provided with a bearing (373). The pressure plate bracket (37) is provided with a threaded through hole (374) for the threaded post (372) to rotate and slide.

8. A flat wire laser paint stripping device according to claim 7, characterized in that, The sidewall of the clamping recess (322) is symmetrically provided with a second plunger (38) along the length of the sliding placement frame (321). The second plunger (38) includes a second ball head (381) and a second spring (382). The pressure plate bracket (37) is provided with a plunger ball groove (375) that locks with the second ball head (381). The clamping recess (322) is provided with a plunger groove (3223) for the second plunger (38) to be installed.

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