Straight insertion Z-shaped pin bending inspection jig
By designing a straight-insert Z-shaped pin bend inspection fixture and using longitudinal and transverse inspection slots and bending blocks, the problem of large differences in LED pin inspection results was solved, accurate detection of bent pins and pin eccentricity was achieved, and the product qualification rate was improved.
Patent Information
- Application Number
- CN202422800983.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Existing LED pin bending detection relies on manual visual inspection, which results in large variability and makes it difficult to accurately detect defects such as bent pins, pin deformation, and pin eccentricity, making it impossible to guarantee product specifications.
A straight-insert Z-shaped pin bending inspection fixture was designed, which includes longitudinal and transverse inspection slots, combined with bending blocks and bumps, to inspect pin offset in both longitudinal and transverse directions. The lifting plate and rollers were used to reduce friction and prevent detection deviation.
It can accurately detect the 90° bending eccentricity of Z-shaped pins from both the horizontal and vertical directions, reduce detection differences, prevent pin deformation and eccentricity, and improve product qualification rate.
Smart Images
Figure CN223454650U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test fixture technical field, concretely is a straight insertion Z shape pin bending inspection fixture. BACKGROUND
[0002] The pin of LED needs to be inspected after bending, checks whether there is bending, pin deformation and pin eccentricity etc. UTILITY MODEL CONTENTS
[0003] In view of the deficiency of prior art, the utility model provides a straight insertion Z shape pin bending inspection fixture, solves the problem of the big difference of the existing pin bending detection process, and the difficulty of accurately detecting bending, pin deformation and pin eccentricity etc.
[0004] To achieve the above object, the utility model provides the following technical scheme: a straight insertion Z shape pin bending inspection fixture, including the base, the both ends of base top are equipped with longitudinal inspection groove position and transverse inspection groove position respectively, longitudinal inspection groove position includes the longitudinal colloid groove extending to the inside of base, and two longitudinal pin grooves are communicated with longitudinal colloid groove, transverse inspection groove position includes the transverse colloid groove extending to the inside of base, the one end fixedly connected with bending block and square in the transverse colloid groove close to longitudinal inspection groove position, the height of bending block and square is less than the height of transverse colloid groove, and L-shaped cavity is formed between bending block and square.
[0005] Preferably, the longitudinal colloid groove and the longitudinal pin groove are provided with an arc-shaped groove at the joint, and a convex block is fixedly connected to the inner wall of the longitudinal colloid groove between the two longitudinal pin grooves.
[0006] Preferably, the inner bottom of the longitudinal inspection groove position and the transverse inspection groove position is provided with a circular groove penetrating through the base.
[0007] Preferably, the transverse colloid groove is provided with two lifting plates sliding along the height direction thereof, and the bottom of the lifting plate is fixedly connected with a spring.
[0008] Preferably, the bottom of the lifting plate is fixedly connected with two limiting rods, and one end of the limiting rod extends movably into the base.
[0009] Preferably, the top of the lifting plate is provided with a roller groove on the side close to the inner wall of the transverse colloid groove, a plurality of horizontal rods are fixedly connected to the inner wall of the roller groove, and a roller movably extending to the outside of the roller groove is sleeved on the outside of the horizontal rod.
[0010] Compared with the prior art, the straight insertion Z-shaped pin bending inspection jig has the following beneficial effects:
[0011] 1. The longitudinal inspection groove and the transverse inspection groove are arranged, the two 90° bending skew feet of the Z-shaped pin can be effectively inspected from the transverse and longitudinal directions, the complaints caused by the eccentric bending feet problem are solved, the bending effect and the bending length are effectively inspected, the on-site machine debugging and inspection are facilitated, the detection process difference caused by the naked eye inspection is prevented, the bending feet, the pin deformation and the pin eccentricity and other defects are accurately detected, and the problem that the product cannot meet the specifications is solved.
[0012] 2. The arc-shaped groove and the protrusion are arranged, the deviated pin can be prevented from sliding into the longitudinal glue groove, and the deviation of the bending inspection result is prevented.
[0013] 3. The protrusion and the arc-shaped groove are arranged, the inspection jig can inspect the pin with a longer length, the application range of the inspection jig to the length of the lamp bead pin is increased, the extrusion degree of the deviated pin in the inspection process is reduced, and further damage to the deviated lamp bead pin is reduced.
[0014] 4. The lifting plate and the roller are arranged, the friction of the glue of the lamp bead moving in the inspection jig is reduced, and the worn roller is conveniently replaced. DETAILED DESCRIPTION
[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:
[0016] Figure 1 It is a structure schematic view of the inspection jig of the present application;
[0017] Figure 2 It is a schematic view of the inspection jig of the present application after placing the lamp bead;
[0018] Figure 3 It is a structure schematic view of the lifting plate of the present application.
[0019] In the drawings: 10, lifting plate; 20, spring; 30, limiting rod; 40, cross bar; 50, roller; 100, base; 200, longitudinal inspection groove; 210, longitudinal glue groove; 220, longitudinal pin groove; 300, transverse inspection groove; 310, transverse glue groove; 320, bending block; 330, square block; 340, L-shaped cavity; 400, arc-shaped groove; 500, protrusion; 600, circular groove. DETAILED DESCRIPTION
[0020] The implementation of the present application will be described in detail below with reference to the accompanying drawings and embodiments, so that the realization process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.
[0021] In order to be able to check whether the bending degree of the lamp bead pin reaches the standard by using a standard jig, thereby replacing the problem of the visual inspection result existing personnel difference, Figures 1-3 For an embodiment of the utility model, a straight insertion Z-shaped pin bending inspection jig is provided to inspect the pin of the lamp bead in two directions of horizontal and vertical, comprising a base 100, two ends of the top of the base 100 are respectively provided with a vertical inspection groove 200 and a horizontal inspection groove 300, the vertical inspection groove 200 comprises a vertical glue groove 210 extending to the inside of the base 100, and two vertical pin grooves 220 in communication with the vertical glue groove 210, the horizontal inspection groove 300 comprises a horizontal glue groove 310 extending to the inside of the base 100, one end of the horizontal glue groove 310 close to the vertical inspection groove 200 is fixedly connected with a bending block 320 and a square block 330, the height of the bending block 320 and the square block 330 is less than the height of the horizontal glue groove 310, an L-shaped cavity 340 is formed between the bending block 320 and the square block 330, the bending inspection jig takes the glue width of the lamp bead as a positioning reference point, and the pin limiting groove is designed with a 0.1mm spacing exceeding the pin width of the lamp bead, that is, the width of the vertical pin groove 220 and the L-shaped cavity 340, the inspection process is divided into two steps in two angles of vertical and horizontal:
[0022] Firstly, whether the pin of the lamp bead is offset in the vertical direction is inspected, the glue of the pin-bent lamp bead is placed into the vertical glue groove 210, then the lamp bead is pushed along the vertical glue groove 210 to move to the vertical pin groove 220, if the pin can be completely inserted into the vertical pin groove 220, the pin of the bent lamp bead is not offset in the vertical direction, which meets the standard, otherwise, if the pin cannot be completely inserted into the vertical pin groove 220, the pin of the bent lamp bead is offset in the vertical direction, which does not meet the standard, secondly, whether the pin of the lamp bead is offset in the horizontal direction is inspected, the glue of the pin-bent lamp bead is turned over 90° along the width direction of the base 100, then the bottom of the glue is placed into the horizontal glue groove 310, the pin height of the glue is above the bending block 320 and the square block 330, so that the glue is not blocked by the bending block 320 and the square block 330 when moving along the horizontal glue groove 310, the lamp bead is pushed along the horizontal glue groove 310 to move to the L-shaped cavity 340, until the pin of the lamp bead is above the L-shaped cavity 340, the lamp bead is moved downward, if the pin of the lamp bead can be completely inserted into the L-shaped cavity 340, the pin of the bent lamp bead is not offset in the horizontal direction, which meets the standard, otherwise, if the pin cannot be completely inserted into the L-shaped cavity 340, the pin of the bent lamp bead is offset in the horizontal direction, which does not meet the standard.
[0023] Only the pin of the lamp bead that passes the above two tests can be determined as qualified, and the unqualified lamp bead is rejected. The two 90° bent Z-shaped pins can be effectively tested from the horizontal and vertical directions, the bent pin eccentricity problem is solved, the bent pin effect and length are effectively tested, the on-site machine debugging and testing are facilitated, the detection process difference caused by naked eye inspection is prevented, the bent pin, pin deformation and pin eccentricity are accurately detected, and the product meeting the specification is ensured.
[0024] In order to prevent the offset bent corner from extruding the inner wall of the longitudinal glue groove 210 and still extruding into the longitudinal pin groove 220, causing deviation in the test result, referring to Figure 1 , an arc-shaped groove 400 is arranged at the joint of the longitudinal glue groove 210 and the longitudinal pin groove 220, and a protrusion 500 fixedly connected with the inner wall of the longitudinal glue groove 210 is arranged between the two longitudinal pin grooves 220. When the pin of the lamp bead deviates, the pin moves towards the protrusion 500 and is finally blocked by the protrusion 500, or moves towards the arc-shaped groove 400 and is blocked by the gradually increasing slope of the arc surface near the longitudinal pin groove 220 after entering the arc-shaped groove 400, and finally stays in the arc-shaped groove 400. The deviated pin is prevented from sliding into the longitudinal glue groove 210, and deviation in the bent pin test result is prevented.
[0025] At the same time, the protrusion 500 blocks the glue of the lamp bead from moving closer to the longitudinal pin groove 220, so that the longer pin can completely enter the longitudinal pin groove 220 without being extruded and bent, and the length of the pin that can be tested is relatively increased. When the pin of the lamp bead deviates, the pin slides into the arc-shaped groove, and the glue of the lamp bead cannot continue to move towards the longitudinal pin groove 220 due to the blocking of the protrusion 500, so that the glue cannot push the pin to continue to extrude the base 100. The test fixture can test the longer pin, increase the application range of the test fixture to the length of the pin of the lamp bead, and also reduce the extrusion degree of the deviated pin in the test process, thereby reducing the further damage to the deviated pin of the lamp bead.
[0026] In order to reduce the friction of the glue of the lamp bead when sliding in the test fixture, a circular groove 600 penetrating the base 100 is arranged at the inner bottom of the longitudinal test groove 200 and the horizontal test groove 300. When the glue of the lamp bead slides to the circular groove 600, there is no friction between the glue and the circular groove 600, and only the base 100 outside the circular groove 600 is rubbed, thereby reducing the wear degree of the glue of the lamp bead when testing the pin.
[0027] In order to further reduce the friction of the lamp bead when moving in the test fixture, referring to Figure 1 and Figure 3The inside of the transverse colloidal tank 310 is provided with two lifting plates 10 sliding along the height direction thereof, the bottom of the lifting plate 10 is fixedly connected with a spring 20, the bottom of the lifting plate 10 is fixedly connected with two limiting rods 30, one end of the limiting rod 30 is movably extended into the inside of the base 100, the top of the lifting plate 10 is provided with a roller groove on the side close to the inner wall of the transverse colloidal tank 310, a plurality of cross bars 40 are fixedly connected on the inner wall of the roller groove, the outer part of the cross bar 40 is sleeved with a roller 50 movably extended to the outside of the roller groove, in use, the colloidal of the lamp bead is placed on the lifting plate 10, the colloidal moves on the roller 50, when the roller 50 is worn out by long time friction with the colloidal, only need to move the lifting plate 10 upward, drive the spring 20 and the limiting rod 30 to be lifted, until the spring 20 and the limiting rod 30 are separated from the base 100, then take away the worn roller 50 from the cross bar 40, then sleeve the new roller 50 on the cross bar 40, finally insert the limiting rod 30 into the base 100, can reduce the friction received by the colloidal of the lamp bead when moving in the inside of the inspection fixture, at the same time, facilitate to replace the worn roller.
[0028] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be subject to many changes, modifications, substitutions and variations in the shape, size and arrangement of parts, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A straight-in Z-shaped pin bending inspection jig, comprising a base (100), characterized in that: The two ends of the top of the base (100) are respectively provided with longitudinal inspection groove positions (200) and transverse inspection groove positions (300), the longitudinal inspection groove position (200) comprises a longitudinal colloid groove (210) extending to the inside of the base (100), and two longitudinal pin grooves (220) in communication with the longitudinal colloid groove (210), the transverse inspection groove position (300) comprises a transverse colloid groove (310) extending to the inside of the base (100), a bending block (320) and a square block (330) are fixedly connected to one end of the transverse colloid groove (310) close to the longitudinal inspection groove position (200), the height of the bending block (320) and the square block (330) is less than the height of the transverse colloid groove (310), and an L-shaped cavity (340) is formed between the bending block (320) and the square block (330).
2. The straight-to-Z-pin bending inspection jig according to claim 1, wherein: The junction of the longitudinal colloid groove (210) and the longitudinal pin groove (220) is provided with an arc-shaped groove (400), and the two longitudinal pin grooves (220) are provided with a protrusion (500) fixedly connected with the inner wall of the longitudinal colloid groove (210).
3. The straight-to-Z-pin bend inspection tool of claim 1, wherein: The inner side bottom of the longitudinal inspection groove position (200) and the transverse inspection groove position (300) is provided with a circular groove (600) penetrating through the base (100).
4. The straight-to-Z-pin bend inspection tool of claim 1, wherein: The inside of the transverse colloid groove (310) is provided with two lifting plates (10) sliding along the height direction thereof, and the bottom of the lifting plate (10) is fixedly connected with a spring (20).
5. The straight-to-Z-pin bend inspection tool of claim 4, wherein: The bottom of the lifting plate (10) is fixedly connected with two limiting rods (30), and one end of the limiting rod (30) movably extends to the inside of the base (100).
6. The straight-to-Z-pin bend inspection tool of claim 4, wherein: The top of the lifting plate (10) is provided with a roller groove close to one side of the inner wall of the transverse colloid groove (310), the inner wall of the roller groove is fixedly connected with a plurality of cross rods (40), and the outer part of the cross rod (40) is provided with a roller (50) movably extending to the outside of the roller groove.