CN116921889A

CN116921889A - Laser paint removing jig

Info

Publication number: CN116921889A
Application number: CN202310909469.6A
Authority: CN
Inventors: 江明; 尹小亮; 胡皇旗; 强印; 李谦
Original assignee: Hymson Laser Technology Group Co Ltd
Current assignee: Hymson Laser Technology Group Co Ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-10-24

Abstract

The application relates to a laser paint removing jig. The application relates to a laser paint removing jig, which comprises: the device comprises a base component, a material placing component and two groups of wire clamping components; the base assembly includes a floor; the bottom plate is provided with two laser channels at intervals; the two end parts of the bottom plate are provided with turnover guide blocks which are used for clamping and matching with an external horizontal cylinder to turn over the bottom plate; the material placing component comprises a fixed seat and a plurality of magnetic pieces; the fixed seat is provided with a plurality of magnetic core grooves for accommodating the magnetic cores; the magnetic piece is fixed at the bottom of the magnetic core groove. According to the laser paint removing jig, the magnetic part is used for fixing the magnetic core at the bottom in a magnetic mode, overturning operation can be carried out on the jig, stability of products on the jig is guaranteed, paint removing precision is improved, shielding is avoided above the magnetic core, mechanical feeding and discharging are facilitated, labor is saved, and consistency of the products is improved.

Description

Laser paint removing jig

Technical Field

The application relates to the technical field of laser processing, in particular to a laser paint removing jig.

Background

Enameled wires are used as main raw materials of products such as transformers, motors, electric appliances and the like. The surface of the enameled wire is provided with a layer of insulating paint, and the insulating paint on the surface of the enameled wire must be scraped in order to ensure good contact of the wires during wiring. The traditional method for removing the insulating layer of the enameled wire is characterized by manual scraping of a blade and ablation of strong alkali, but the process is often uncontrollable, and the method is widely applied to the field of enamel removal of the enameled wire based on the characteristics of high laser speed and high precision.

In the process of removing the paint by laser, measures are needed to fix the enameled wire, however, the feeding and discharging area of the traditional enameled wire fixing jig is a single-head laser scanning area, and manual feeding and discharging are usually adopted, so that automatic feeding and discharging and automatic turn-over paint removing cannot be realized, and the processing efficiency is extremely low.

Disclosure of Invention

Based on the above, the application aims to provide the laser paint removing jig, which is fixed on the magnetic core through the magnetic part at the bottom, can be used for overturning, ensures the stability of products on the jig, improves the paint removing precision, has no shielding above the magnetic core, is beneficial to mechanical feeding and discharging, saves labor and improves the consistency of the products.

A laser paint removal jig, comprising: the base assembly, the material placing assembly and the two groups of wire clamping assemblies are respectively positioned at two sides of the material placing assembly; the material placing component and the two groups of wire clamping components are fixedly connected to the same side of the base component;

the base component comprises a bottom plate, two laser channels are arranged on the bottom plate at intervals, the material placing component is fixed between the two laser channels, and the two groups of wire clamping components are respectively fixed on the outer sides of the two laser channels; the two ends of the bottom plate are provided with turnover guide blocks which are used for clamping and matching with an external horizontal cylinder so as to turn over the bottom plate;

the material placing component comprises a fixed seat fixedly connected with the bottom plate and a plurality of magnetic pieces; the fixed seat is provided with a plurality of magnetic core grooves which are arranged in an array manner and used for accommodating the magnetic cores; the magnetic piece is fixed at the bottom of the magnetic core groove.

According to the laser paint removing jig, the magnetic part is used for fixing the magnetic core at the bottom in a magnetic mode, overturning operation can be carried out on the jig, stability of products on the jig is guaranteed, paint removing precision is improved, shielding is avoided above the magnetic core, mechanical feeding and discharging are facilitated, labor is saved, and consistency of the products is improved.

Further, a magnetic part fixing hole is formed in the bottom of the magnetic core groove; the magnetic piece is tightly matched with the magnetic piece fixing hole and is fixed in the magnetic piece fixing hole through glue.

Further, the two side walls of the magnetic core groove, which are close to the laser channel, are provided with first wire grooves.

Further, the wire clamping assembly comprises a fixed plate, a plurality of wire pressing blocks, a plurality of shaft pins and a plurality of elastic pieces; the fixed plate is fixedly connected to the bottom plate, and a plurality of accommodating grooves are formed in the top of the fixed plate; the accommodating groove comprises a first side wall, a second side wall and a third side wall, wherein the second side wall and the third side wall are vertically connected to two ends of the first side wall, and the second side wall and the third side wall are oppositely arranged;

the shaft pin is vertically fixed on the first side wall and is inserted into the accommodating groove; the pressing line block is rotatably inserted into the shaft pin; one end of the elastic piece is abutted against the third side wall, and the other end of the elastic piece is abutted against the line pressing block and used for pressing the upper end part of the line pressing block to the second side wall; during operation, the enameled wire is clamped between the wire pressing block and the second side wall.

Further, the wire clamping assembly further comprises a plurality of second winding posts; the second winding post is positioned in the accommodating groove through a shaft pin and is arranged at a certain distance from the line pressing block; the second winding post comprises a positioning part and a winding part; the positioning part is fixed on the shaft pin; one end of the elastic piece is abutted against the positioning part, and the other end of the elastic piece is abutted against the line pressing block; one end of the winding part is fixedly connected with the positioning part, and the other end of the winding part is suspended and protrudes out of the top of the accommodating groove.

Further, the winding part is in a smooth cylindrical shape, and the top part is in a chamfer angle.

Further, the material placing component further comprises a plurality of first winding posts; the first winding post is fixed to the periphery of the magnetic core groove.

Further, the wire clamping assembly comprises a fixed plate, a plurality of wire pressing blocks, a plurality of shaft pins and a plurality of elastic pieces; the fixed plate is fixedly connected to the bottom plate, and a plurality of accommodating grooves are formed in the top of the fixed plate; the accommodating groove comprises a first side wall and a second side wall which is vertically connected to two ends of the first side wall;

the shaft pin is vertically fixed on the first side wall and is inserted into the accommodating groove; two wire pressing blocks are arranged in the accommodating groove; the wire pressing blocks are correspondingly inserted into the shaft pins in a one-to-one mode and can be rotationally arranged on the shaft pins in an inserting mode; the elastic piece is arranged between the two pressing line blocks in an abutting mode, and the upper end portions of the two pressing line blocks are respectively pressed in opposite directions; during operation, the enameled wire is clamped between the wire pressing block and the second side wall adjacent to the wire pressing block.

Further, a chamfer is arranged at the top of one side of the line pressing block for clamping lines.

Further, the side wall of the accommodating groove for clamping the wire is provided with a second wire groove.

For a better understanding and implementation, the present application is described in detail below with reference to the drawings.

Drawings

Fig. 1 is a front view of a laser paint removing jig according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a laser paint removal jig according to an embodiment of the present application;

FIG. 3 is a partial enlarged view I of FIG. 2;

FIG. 4 is an enlarged partial view II of FIG. 2;

FIG. 5 is a schematic diagram of a specific embodiment of a wire clamping assembly;

fig. 6 is a schematic diagram of a second embodiment of the wire clamping assembly.

In the figure: a 10-base assembly; 11-a bottom plate; 111-laser channel; 12-turning over the guide block; 20-a material placing component; 21-a fixed seat; 211-magnetic core slots; 213-first column hole; 214-a first wire chase; 22-magnetic member; 23-a first winding post; 30-a wire clamping assembly; 31-a fixing plate; 311-accommodating grooves; 3111-a first sidewall; 3112-a second sidewall; 3113-a third sidewall; 3114-third wire chase; 3115-a second wire chase; 32-axle pin; 35-a wire pressing block; 36-a second winding post; 361-a positioning portion; 362-winding part; 37-elastic member.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "vertical direction", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, and are constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected via an intermediary, or connected by communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 and 2, a laser paint removing jig provided in an embodiment of the application includes a base assembly 10, a material placing assembly 20, and two sets of wire clamping assemblies 30 respectively located at two sides of the material placing assembly 20. The material placing component 20 and the two groups of wire clamping components 30 are fixedly connected to the base component 10.

In some embodiments, the base assembly 10 includes a floor 11; the material placing component 20 and the two groups of wire clamping components 30 are fixed on the same side of the bottom plate 11; the material placing component 20 is used for accommodating and fixing the magnetic core; the wire clamping assembly 30 is used for clamping the enameled wire of the magnetic core. Two laser channels 111 are cut on the bottom plate 11 at intervals, and the bottom plate 11 is cut into a material placing area positioned on the inner sides of the two laser channels 111 and two line clamping areas positioned on the outer sides of the two laser channels 111. The material placing component 20 is fixed in the material placing area, and the two groups of wire clamping components 30 are respectively fixed in the two wire clamping areas; the magnetic core is fixed in the material placing component 20, the enameled wire is clamped in the wire clamping component 30, and the enameled wire is exposed above the laser channel 111.

Further, two ends of the bottom plate 11 are provided with turning guide blocks 12 for turning the bottom plate 11 in clamping fit with an external rotary cylinder. In the working state, a laser generator positioned above or below the jig emits laser, and the laser directly irradiates or passes through the laser channel 111 to paint the enameled wire; after the paint is removed on one surface, the external rotary cylinder clamps the overturning guide block 12, the jig is overturned, and the laser generator removes the paint on the other surface of the enameled wire.

Referring to fig. 2 and 3, in some embodiments, the placement module 20 includes a fixing base 21 and a plurality of magnetic members 22, and the fixing base 21 is fixedly connected to the base plate 11. Further, the fixing base 21 is cut with a plurality of magnetic core grooves 211 for accommodating the magnetic cores; the magnetic member 22 is fixed to the bottom of the core slot 211.

Further, a fixing hole of the magnetic member 22 is cut at the bottom of the magnetic core slot 211 for fixing the magnetic member 22. The magnetic piece 22 is tightly matched with the fixing hole of the magnetic piece 22, and the magnetic piece 22 is tightly fixed in the fixing hole of the magnetic piece 22 through glue adhesion, so that the magnetic piece 22 is prevented from falling off in the overturning process of the jig. The magnetic piece 22 tightly adsorbs the magnetic core through magnetic force, can effectively avoid the tool in the in-process of upset, the magnetic core drops from the condition in magnetic core groove 211. Compared with the shielding of the magnetic core by the mechanical clamping structure in the prior art, the clamping of the manipulator is facilitated by the magnetic fixing mode of the magnetic part 22 to the magnetic core at the bottom, the mechanical clamping structure is suitable for feeding and discharging of the manipulator, and the production efficiency is improved; meanwhile, scratch on the magnetic core in the feeding and discharging process can be avoided. Further, the fixing seat 21 is made of PEEK, is smooth and good in wear resistance, can bear repeated insertion and extraction of the magnetic core, and prolongs the service life of the jig.

Further, the magnetic core groove 211 is cut into a first line groove 214 near two side walls of the laser channel 111 for guiding out and fixing the enamel wire.

Referring to fig. 2 and 5, in some embodiments, the wire clamping assembly 30 includes a fixing plate 31, a plurality of wire clamping blocks 35, a plurality of shaft pins 32, and a plurality of elastic members 37. The fixing plate 31 is fixedly connected to the bottom plate 11, and a plurality of accommodating grooves 311 are cut downwards from the top surface, the accommodating grooves 311 comprise a first side wall 3111, a second side wall 3112 and a third side wall 3113 vertically connected to two ends of the first side wall 3111, and the second side wall 3112 and the third side wall 3113 are oppositely arranged. The shaft pin 32 is vertically fixed on the first side wall 3111 and is inserted into the accommodating groove 311; the pressing block 35 is rotatably inserted into the shaft pin 32. The elastic member 37 is disposed between the shaft pin 32 and the top of the accommodating groove 311, and has one end abutting against the third sidewall 3113 and the other end abutting against the pressing block 35; the enamelled wire is arranged between the wire pressing block 35 and the side wall of the accommodating groove 311 near the wire pressing block 35. It will be appreciated that the upper end of the wire pressing block 35 is pressed by the elastic member 37, so that the wire pressing block 35 rotates around the shaft pin 32, and the upper end of the wire pressing block 35 is laterally directed to the second side wall 3112, and the enamel wire is clamped between the wire pressing block 35 and the second side wall 3112.

Further, the wire pressing block 35 is provided with a chamfer at the top for guiding the enameled wire when the enameled wire is clamped into the wire clamping assembly 30, and meanwhile, the enameled wire is prevented from being scratched.

Further, the first side wall 3111 is cut with a third wire slot 3114 near the second side wall 3112 and near the third side wall 3113, and the second side wall 3112 and/or the third side wall 3113 is cut with a second wire slot 3115 perpendicular to the first side wall 3111, for accommodating a wire to be painted, so as to ensure that the wire to be painted is not easy to fall out from the wire clamping assembly 30 during the overturning process of the fixture, which affects the paint removing effect. Specifically, the bottom of the third wire groove 3114 is level with the second wire groove 3115 to prevent wire lifting. Specifically, the wire to be painted of the magnetic core is led out from the first wire groove 214, is pressed to the second wire groove 3115 via the pressing block 35, and the tail of the wire to be painted extends to the outside via the third wire groove 3114.

Further, the wire clamping assembly 30 further includes a pressing plate and a clamping spring, wherein the pressing plate is fixedly covered on the opposite side of the first side wall 3111 of the fixing plate 31 through the clamping spring, and is used for clamping the wire pressing block 35 between the first side wall 3111 and the pressing plate, so as to prevent the wire pressing block 35 from moving axially along the shaft pin 32.

Further, in the present embodiment, the fixing plate 31 and the winding post are made of steel materials, so as to increase the wear resistance of the jig.

Referring to fig. 2 and 4, in other embodiments, the wire clamping assembly 30 further includes a plurality of second winding posts 36 for securing the non-paint wire. The second winding post 36 is fixed in the accommodating groove 311 and is disposed at a certain distance from the pressing block 35. Likewise, the second winding post 36 is positioned in the receiving groove 311 by the shaft pin 32 disposed perpendicular to the first sidewall 3111.

Specifically, the second winding post 36 includes a positioning portion 361 and a winding portion 362; the positioning portion 361 is fixed on the shaft pin 32, one side of the positioning portion abuts against the third side wall 3113, and the other side abuts against one end of the elastic member 37; the pressing line block 35 is abutted against the other end of the elastic piece 37; the winding part 362 is fixedly connected to the positioning part 361, and the other end is suspended and protrudes out of the top of the accommodating groove 311.

Further, the winding portion 362 is smooth and cylindrical, and the top is rounded to prevent the paint layer from being scratched during winding. One or more first winding posts 23 are provided on the outer circumference of the fixing base 21 to assist winding, and separate the wire to be stripped from the wire not to be stripped. Specifically, the wire to be paint removed is extended to the wire clamping assembly 30 via the first wire groove 214 and clamped via the fixing block and the side wall of the accommodating groove 311; the non-paint removing wires are sequentially wound on the first winding post 23 and the second winding post 36, so that the intersecting of the to-be-painted wires and the non-paint removing wires is prevented, and the laser paint removing effect is affected.

As a preferred embodiment, a plurality of first post holes 213 are cut into the fixing base 21, the plurality of first post holes 213 are around the periphery of the magnetic core slot 211, and the first winding post 23 is fixed in the first post holes 213 according to the actual structure of the magnetic core product, thereby improving the applicability of the jig.

Referring to fig. 2 and 6, in other embodiments, the wire clamping assembly 30 includes a fixing plate 31, a plurality of wire clamping blocks 35, a plurality of shaft pins 32, and a plurality of elastic members 37. The fixed plate 31 is fixedly connected to the bottom plate 11, and a plurality of accommodating grooves 311 are cut downwards from the top; the receiving groove 311 includes a first sidewall 3111 and a second sidewall 3112 vertically connected to both ends of the first sidewall 3111. The shaft pins 32 are vertically fixed on the first side wall 3111 and are inserted into the accommodating groove 311; two pressing blocks 35 are arranged in the accommodating groove 311; the pressing blocks 35 are in one-to-one correspondence and are rotatably inserted into the shaft pins 32; the elastic piece 37 is arranged between the two pressing blocks 35 in an abutting manner, and respectively presses the upper end parts of the two pressing blocks 35 in opposite directions; the enamelled wire clamp is arranged between the wire pressing block 35 and the side wall of the accommodating groove 311 of the wire pressing block 35.

Further, the parts abutting against the elastic member 37, such as the wire pressing block 35, the second winding post 36 and the accommodating groove 311, are cut with blind holes at the abutting positions of the elastic member 37 for accommodating the elastic member 37, so as to prevent the elastic member 37 from being dislocated in abutting against the wire pressing block 35.

It should be noted that, the two sets of wire clamping assemblies may be free combinations of the embodiments of the wire clamping assemblies, may be two sets of identical wire clamping assemblies, or may be two sets of different wire clamping assemblies, which are all a specific embodiment of the present application. It is understood that two sets of wire clamping assemblies can be arranged according to the number of outgoing wires of the magnetic core and the number of wires to be paint removed from the magnetic core.

It should be noted that, the material placing component and the two groups of wire clamping components positioned at two sides of the material placing component are only minimum operation units for laser paint removal of the jig, and the jig can be a plurality of operation units mechanically overlapped on the bottom plate.

Compared with the prior art, the laser paint removing jig provided by the embodiment of the application has the beneficial effects that: (1) The magnetic part is fixed on the bottom of the magnetic core by magnetic force, so that the jig can be turned over, the stability of the product on the jig is ensured, and the paint removing precision is also improved; (2) The upper part of the magnetic core is free from shielding, so that mechanical loading and unloading are facilitated, labor is saved, and the consistency of products is improved; (3) The elastic wire clamping path for the wire to be painted and the wire winding path for the wire not painted are designed, so that the intersection of a plurality of wire cores can be effectively avoided, the paint removing precision is affected, the applicability of the jig is improved, and more products in the form of money can be matched.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the application, and the application is intended to encompass such modifications and improvements.

Claims

1. Laser paint removal tool, its characterized in that includes: the base assembly, the material placing assembly and the two groups of wire clamping assemblies are respectively positioned at two sides of the material placing assembly; the material placing component and the two groups of wire clamping components are fixedly connected to the same side of the base component;

2. The laser paint removal jig of claim 1, wherein: the bottom of the magnetic core groove is provided with a magnetic part fixing hole; the magnetic piece is tightly matched with the magnetic piece fixing hole and is fixed in the magnetic piece fixing hole through glue.

3. The laser paint removal jig of claim 2, wherein: and the two side walls of the magnetic core groove, which are close to the laser channel, are provided with first wire grooves.

4. The laser paint removal jig of claim 1, wherein: the wire clamping assembly comprises a fixed plate, a plurality of wire pressing blocks, a plurality of shaft pins and a plurality of elastic pieces; the fixed plate is fixedly connected to the bottom plate, and a plurality of accommodating grooves are formed in the top of the fixed plate; the accommodating groove comprises a first side wall, a second side wall and a third side wall, wherein the second side wall and the third side wall are vertically connected to two ends of the first side wall, and the second side wall and the third side wall are oppositely arranged;

5. The laser paint removal jig of claim 4, wherein: the wire clamping assembly further comprises a plurality of second winding posts; the second winding post is positioned in the accommodating groove through a shaft pin and is arranged at a certain distance from the line pressing block; the second winding post comprises a positioning part and a winding part; the positioning part is fixed on the shaft pin; one end of the elastic piece is abutted against the positioning part, and the other end of the elastic piece is abutted against the line pressing block; one end of the winding part is fixedly connected with the positioning part, and the other end of the winding part is suspended and protrudes out of the top of the accommodating groove.

6. The laser paint removal jig of claim 5, wherein: the winding part is smooth cylindrical, and the top is a chamfer.

7. The laser paint removal jig of claim 6, wherein: the material placing assembly further comprises a plurality of first winding posts; the first winding post is fixed to the periphery of the magnetic core groove.

8. The laser paint removal jig of claim 1, wherein: the wire clamping assembly comprises a fixed plate, a plurality of wire pressing blocks, a plurality of shaft pins and a plurality of elastic pieces; the fixed plate is fixedly connected to the bottom plate, and a plurality of accommodating grooves are formed in the top of the fixed plate; the accommodating groove comprises a first side wall and a second side wall which is vertically connected to two ends of the first side wall;

9. The laser paint removal jig according to claim 7 or 8, wherein: the top of one side of the line pressing block for clamping the line is provided with a chamfer.

10. The laser paint removal jig of claim 9, wherein: the side wall of the accommodating groove for clamping the wire is provided with a second wire groove.