Test fixture for electronic product production

By introducing a synchronous drive mechanism and worm gear structure into the test fixture for electronic product production, the problem of poor stability of the fixture in the prior art is solved, and stable clamping and efficient testing of multiple electronic products are achieved.

CN222289905UActive Publication Date: 2025-01-03JINAN JINGJIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420946184.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-01-03
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

The existing test fixture for electronic products production controls the movement of the limit plate through the control sprocket and chain structure, which has poor stability and is easy to slip, and is not suitable for clamping multiple electronic products at the same time.

Method used

A test fixture including a synchronous driving mechanism is designed, and the worm and worm gear mechanism is driven by a servo motor, so that the synchronous driving and stable clamping of multiple clamping mechanisms are realized through the self-locking characteristics of the worm and worm gear.

Benefits of technology

It improves the synchronous clamping effect of multiple electronic products, enhances the stability of the overall structure, avoids loosening of electronic products during testing, and saves installation space and equipment costs.

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Abstract

The utility model relates to the technical field of electronic product production, and discloses a test fixture for electronic product production, which comprises a bottom table, a first placement groove formed in the left side of the top of the bottom table, a second placement groove formed in the middle end of the top of the bottom table, a third placement groove formed in the right side of the top of the bottom table, and a synchronous driving mechanism arranged on the front surface of the bottom table, a first clamping mechanism is arranged at the position, located at the first containing groove, of the inner wall of the bottom table, and a synchronous driving mechanism is arranged and can drive a first worm, a first connecting rod, a second worm, a second connecting rod and a third worm to rotate through a single servo motor to correspondingly drive a first worm gear, a second worm gear and a third worm gear to rotate; and a first clamping mechanism, a second clamping mechanism and a third clamping mechanism are respectively driven by a first worm gear, a second worm gear and a third worm gear to clamp and test the plurality of electronic products, so that the effect of synchronously clamping the plurality of electronic products by the whole device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electronic product production, in particular to a test fixture for electronic product production. Background Art

[0002] Electronic products are related products that use electricity as the basis for their work, mainly including: watches, smart phones, telephones, televisions, video players (VCD, SVCD, DVD), video recorders, camcorders, radios, tape recorders, combination speakers, laser players (CD), computers, mobile communication products, etc. Because early products mainly used electron tubes as basic components, they were named electronic products. After searching, application number 202321769367.0 discloses a test fixture for the production of electronic products, including a base and a control screw, the upper end surface of the base is provided with a plurality of placement grooves from left to right, and the rear end surface of the placement groove is rotatably mounted with a control screw through a bearing, the control screw is symmetrically threaded in opposite directions, the control screw is symmetrically screwed with a control slider in front and back, a limit plate is installed on the upper end surface of the control slider, a control sprocket is installed on the front end surface of the control screw, the control sprockets are connected by a control chain, and a handle is installed on the front end surface of the control sprocket.

[0003] However, this device controls the movement of multiple limit plates through a control sprocket and a control chain structure. The control sprocket in the middle of the control chain has a small contact area with the control sprockets, resulting in the control chain being unable to stably drive the control sprocket to rotate, causing slippage. The overall structural stability is poor, and it is not suitable for clamping and processing multiple electronic products at the same time.

[0004] To this end, we propose a test fixture for electronic product production. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a test fixture for producing electronic products.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a test fixture for electronic product production, including a base, a first placement groove is opened on the left side of the top of the base, a second placement groove is opened on the middle end of the top of the base, a third placement groove is opened on the right side of the top of the base, a synchronous driving mechanism is arranged on the front of the base, a first clamping mechanism is arranged on the inner wall of the base at the first placement groove, a second clamping mechanism is arranged on the inner wall of the base at the second placement groove, and the structure of the second clamping mechanism is consistent with that of the first clamping mechanism, and the inner wall of the base is arranged at the third placement groove A third clamping mechanism is provided, and the structure of the third clamping mechanism is consistent with that of the first clamping mechanism. The synchronous driving mechanism includes a motor base, and the back side of the motor base is fixedly connected to the left side of the front side of the base. A servo motor is fixedly installed on the top of the motor base, and the output end of the servo motor movably passes through the right side wall of the motor base, a first worm is fixedly installed on the output end of the servo motor, and a first connecting rod is fixedly installed on the right side wall of the first worm, and the first clamping mechanism includes a positive screw rod, and the front side of the positive screw rod movably passes through the front side of the base and is fixedly connected to the back side of the first worm wheel.

[0007] Preferably, a second worm is fixedly mounted on the right side wall of the first connecting rod, a second connecting rod is fixedly mounted on the right side wall of the second worm, a third worm is fixedly mounted on the right side wall of the second connecting rod, and a mounting plate is movably mounted on the right side wall of the third worm.

[0008] Preferably, a limiting block is movably mounted on the rear end of the outer wall of the positive screw rod, and the outer wall of the limiting block is fixedly connected to the middle end of the inner wall of the base at the first placement groove.

[0009] Preferably, a first worm wheel is movably engaged with the lower end of the outer wall of the first worm, and the back side of the first worm wheel is fixedly connected to the front side of the first clamping mechanism.

[0010] Preferably, a second worm wheel is movably engaged with the lower end of the outer wall of the second worm, and the back side of the second worm wheel is fixedly connected to the front side of the second clamping mechanism.

[0011] Preferably, a third worm wheel is movably engaged with the lower end of the outer wall of the third worm, and the back side of the third worm wheel is fixedly connected to the front side of the third clamping mechanism.

[0012] Preferably, a reverse screw rod is fixedly mounted on the back of the positive screw rod, and the back of the reverse screw rod is movably connected to the rear end of the inner wall of the base at the first placement groove.

[0013] Preferably, the outer wall of the positive wire screw is threadedly connected with a first clamping assembly, and the lower end of the outer wall of the first clamping assembly is movably connected to the inner wall of the base at the first placement groove.

[0014] Preferably, the outer wall of the reverse screw rod is threadedly connected with a second clamping assembly, and the lower end of the outer wall of the second clamping assembly is movably connected to the inner wall of the base at the first placement groove.

[0015] Beneficial Effects

[0016] The utility model provides a test fixture for electronic product production, which has the following beneficial effects:

[0017] (1) This test fixture for electronic product production is equipped with a synchronous drive mechanism. The synchronous drive mechanism can drive the first worm, the first connecting rod, the second worm, the second connecting rod and the third worm to rotate through a single servo motor, respectively driving the first worm wheel, the second worm wheel and the third worm wheel to rotate, and the first worm wheel, the second worm wheel and the third worm wheel respectively drive the first clamping mechanism, the second clamping mechanism and the third clamping mechanism to clamp and test multiple electronic products, thereby improving the effect of the entire device in synchronously clamping multiple electronic products.

[0018] (2) This test fixture for the production of electronic products is provided with a first connecting rod and a second connecting rod. The first connecting rod and the second connecting rod can connect the first worm gear, the second worm gear and the third worm gear, so that a single servo motor can synchronously drive the entire synchronous drive mechanism to move, thereby saving a lot of installation space and equipment costs.

[0019] (3) This test fixture for electronic product production, by providing a first worm, a second worm, a third worm, a first worm wheel, a second worm wheel and a third worm wheel, utilizes the self-locking characteristics of the worm wheels to further improve the clamping stability of the entire device, thereby preventing the electronic product from loosening during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the front side of the utility model;

[0021] Figure 2 It is a schematic diagram of the left wall structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the right side wall structure of the utility model.

[0023] Legend: 10. Base; 11. First placement slot; 12. Second placement slot; 13. Third placement slot; 14. Synchronous drive mechanism; 15. First clamping mechanism; 16. Second clamping mechanism; 17. Third clamping mechanism; 18. Motor base; 19. Servo motor; 20. First worm; 21. First connecting rod; 22. Second worm; 23. Second connecting rod; 24. Third worm; 25. Mounting plate; 26. First worm wheel; 27. Second worm wheel; 28. Third worm wheel; 29. ​​Positive screw rod; 30. Limit block; 31. Negative screw rod; 32. First clamping assembly; 33. Second clamping assembly. DETAILED DESCRIPTION

[0024] Embodiment 1: A test fixture for electronic product production, such as Figure 1As shown, it includes a base 10, a synchronous driving mechanism 14 is arranged on the front of the base 10, a first clamping mechanism 15 is arranged at the first placement groove 11 of the inner wall of the base 10, a second clamping mechanism 16 is arranged at the second placement groove 12 of the inner wall of the base 10, and the structure of the second clamping mechanism 16 is consistent with that of the first clamping mechanism 15, a third clamping mechanism 17 is arranged at the third placement groove 13 of the inner wall of the base 10, and the structure of the third clamping mechanism 17 is consistent with that of the first clamping mechanism 15, the synchronous driving mechanism 14 includes a motor base 18, and the motor The back of the base 18 is fixedly connected to the left side of the front of the base 10, a servo motor 19 is fixedly installed on the top of the motor base 18, and the output end of the servo motor 19 moves through the right wall of the motor base 18, a first worm 20 is fixedly installed on the output end of the servo motor 19, a first connecting rod 21 is fixedly installed on the right wall of the first worm 20, a second worm 22 is fixedly installed on the right wall of the first connecting rod 21, a second connecting rod 23 is fixedly installed on the right wall of the second worm 22, and a third worm 23 is fixedly installed on the right wall of the second connecting rod 23 24, a mounting plate 25 is movably mounted on the right wall of the third worm 24, a first worm wheel 26 is movably engaged with the lower end of the outer wall of the first worm 20, and the back of the first worm wheel 26 is fixedly connected to the front of the first clamping mechanism 15, a second worm wheel 27 is movably engaged with the lower end of the outer wall of the second worm 22, and the back of the second worm wheel 27 is fixedly connected to the front of the second clamping mechanism 16, a third worm wheel 28 is movably engaged with the lower end of the outer wall of the third worm 24, and the back of the third worm wheel 28 is fixedly connected to the front of the third clamping mechanism 17, and a synchronous drive mechanism is provided. The synchronous drive mechanism 14 can drive the first worm 20, the first connecting rod 21, the second worm 22, the second connecting rod 23 and the third worm 24 to rotate through a single servo motor 19, respectively driving the first worm gear 26, the second worm gear 27 and the third worm gear 28 to rotate, and the first worm gear 26, the second worm gear 27 and the third worm gear 28 respectively drive the first clamping mechanism 15, the second clamping mechanism 16 and the third clamping mechanism 17 to perform clamping tests on multiple electronic products, thereby improving the effect of the entire device in synchronously clamping multiple electronic products.

[0025] Embodiment 2: Based on Embodiment 1, Figure 2As shown, the first clamping mechanism 15 includes a positive screw rod 29, and the front side of the positive screw rod 29 movably passes through the front side of the base 10 and is fixedly connected to the back side of the first worm gear 26, a limit block 30 is movably installed at the rear end of the outer wall of the positive screw rod 29, and the outer wall of the limit block 30 is fixedly connected to the middle end of the inner wall of the base 10 located at the first placement groove 11, a reverse screw rod 31 is fixedly installed on the back side of the positive screw rod 29, and the back side of the reverse screw rod 31 is movably connected to the rear end of the inner wall of the base 10 located at the first placement groove 11, the outer wall of the positive screw rod 29 is threadedly connected to the first clamping assembly 32, and the first clamping assembly 32 is fixedly connected to the inner wall of the base 10 located at the first placement groove 11. 2 is movably connected to the inner wall of the base 10 at the first placement groove 11, the outer wall of the reverse screw rod 31 is threadedly connected with the second clamping assembly 33, and the outer wall lower end of the second clamping assembly 33 is movably connected to the inner wall of the base 10 at the first placement groove 11, and the first connecting rod 21 and the second connecting rod 23 are provided. The first connecting rod 21 and the second connecting rod 23 can connect the first worm 20, the second worm 22 and the third worm 24, so that a single servo motor 19 can synchronously drive the entire synchronous drive mechanism 14 to move, saving a lot of installation space and equipment costs.

[0026] Embodiment 3: Based on Embodiment 1 and Embodiment 2, Figure 3 As shown, a first placement groove 11 is opened on the top left side of the base 10, a second placement groove 12 is opened on the top middle end of the base 10, and a third placement groove 13 is opened on the top right side of the base 10. By arranging a first worm 20, a second worm 22, a third worm 24, a first worm wheel 26, a second worm wheel 27 and a third worm wheel 28, the self-locking characteristics of the worm wheels can be utilized to further improve the clamping stability of the entire device, thereby avoiding the loosening of electronic products during testing.

[0027] The working principle of the utility model is as follows: by turning on the switch of the servo motor 19, the servo motor 19 drives the first worm 20, the first connecting rod 21, the second worm 22, the second connecting rod 23 and the third worm 24 to rotate, respectively driving the first worm gear 26, the second worm gear 27 and the third worm gear 28 to rotate, and the first worm gear 26, the second worm gear 27 and the third worm gear 28 respectively drive the first clamping mechanism 15, the second clamping mechanism 16 and the third clamping mechanism 17 to perform a clamping test on the electronic product.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A test fixture for electronic product production, comprising a base (10), characterized in that: The base (10) is provided with a first placement groove (11) on the left side of the top, a second placement groove (12) on the middle end of the top of the base (10), and a third placement groove (13) on the right side of the top of the base (10). A synchronous driving mechanism (14) is provided on the front of the base (10). A first clamping mechanism (15) is provided on the inner wall of the base (10) at the first placement groove (11). A second clamping mechanism (16) is provided on the inner wall of the base (10) at the second placement groove (12), and the structure of the second clamping mechanism (16) is consistent with that of the first clamping mechanism (15). A third clamping mechanism (17) is provided on the inner wall of the base (10) at the third placement groove (13), and the third clamping mechanism (17) The structure is consistent with the first clamping mechanism (15), the synchronous drive mechanism (14) includes a motor base (18), and the back side of the motor base (18) is fixedly connected to the left side of the front side of the base (10), a servo motor (19) is fixedly installed on the top of the motor base (18), and the output end of the servo motor (19) movably penetrates the right side wall of the motor base (18), a first worm (20) is fixedly installed on the output end of the servo motor (19), and a first connecting rod (21) is fixedly installed on the right side wall of the first worm (20), and the first clamping mechanism (15) includes a positive threaded rod (29), and the front side of the positive threaded rod (29) movably penetrates the front side of the base (10) and is fixedly connected to the back side of the first worm wheel (26).

2. The test fixture for electronic product production according to claim 1, characterized in that: A second worm (22) is fixedly mounted on the right side wall of the first connecting rod (21), a second connecting rod (23) is fixedly mounted on the right side wall of the second worm (22), a third worm (24) is fixedly mounted on the right side wall of the second connecting rod (23), and a mounting plate (25) is movably mounted on the right side wall of the third worm (24).

3. The test fixture for electronic product production according to claim 1, characterized in that: A limit block (30) is movably mounted on the rear end of the outer wall of the positive screw rod (29), and the outer wall of the limit block (30) is fixedly connected to the middle end of the inner wall of the base (10) located at the first placement groove (11).

4. The test fixture for electronic product production according to claim 1, characterized in that: A first worm wheel (26) is movably engaged with the lower end of the outer wall of the first worm (20), and the back side of the first worm wheel (26) is fixedly connected to the front side of the first clamping mechanism (15).

5. The test fixture for electronic product production according to claim 2, characterized in that: A second worm wheel (27) is movably engaged with the lower end of the outer wall of the second worm (22), and the back side of the second worm wheel (27) is fixedly connected to the front side of the second clamping mechanism (16).

6. The test fixture for electronic product production according to claim 2, characterized in that: A third worm wheel (28) is movably engaged with the lower end of the outer wall of the third worm (24), and the back side of the third worm wheel (28) is fixedly connected to the front side of the third clamping mechanism (17).

7. The test fixture for electronic product production according to claim 1, characterized in that: A reverse screw rod (31) is fixedly mounted on the back of the positive screw rod (29), and the back of the reverse screw rod (31) is movably connected to the rear end of the inner wall of the base (10) at the first placement groove (11).

8. The test fixture for electronic product production according to claim 1, characterized in that: The outer wall of the positive threaded rod (29) is threadedly connected to a first clamping assembly (32), and the lower end of the outer wall of the first clamping assembly (32) is movably connected to the inner wall of the base (10) at the first placement groove (11).

9. The test fixture for electronic product production according to claim 7, characterized in that: The outer wall of the reverse screw rod (31) is threadedly connected to a second clamping assembly (33), and the lower end of the outer wall of the second clamping assembly (33) is movably connected to the inner wall of the base (10) at the first placement groove (11).