Universal test fixture

Abstract

An embodiment of the utility model provides a universal test fixture, which comprises a base, a test support, a pressing mechanism, an upper die and a lower die, the test support comprises a support transverse plate, a support rod is arranged between the support transverse plate and the base, a mounting plate is arranged on the support rod, a lifting spring is arranged between the base and a linear bearing, and the lower die is arranged on the mounting plate. The device has the beneficial effects that the mounting plate arranged on the test bracket is synchronously pressed down by pressing the pressing mechanism on the test bracket, and the upper die arranged on the mounting plate is in contact with the lower die, so that a test product arranged between the upper die and the lower die is not required to be pressed down, and the test efficiency is improved. The upper die and the lower die are detachably arranged on the mounting plate and the base, the dies can be designed according to the types of produced products, the product testing is more convenient through the design, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to, but is not limited to, the field of general-purpose test fixtures, and in particular to a general-purpose test fixture. Background Technology

[0002] With the development of technology and the improvement of consumption levels, the quality of everyday electronic products is becoming increasingly important. Products such as mobile phones and watches need to undergo various tests during the production process. Waterproof performance, pressure testing, and motherboard function testing are important tests for these electronic products. During the production process of electronic products, various fixtures are usually used to test the products for these items in order to determine whether the products meet the production requirements.

[0003] Nowadays, most factories produce in large batches and with a variety of products. The testing fixtures used on the factory assembly line need to be customized according to each different product for testing. This means that each product and each test item needs to be equipped with a separate testing fixture, which increases equipment costs. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, this utility model provides a universal test fixture, which solves the technical problem that the existing test fixtures need to be customized according to each different product for testing, which leads to the need to equip each product and each test item with a test fixture, increasing the equipment cost.

[0006] (II) Technical Solution

[0007] The purpose of this utility model is to provide a universal testing fixture, which includes a base, a testing bracket, a pressing mechanism, an upper mold, and a lower mold. The testing bracket and the lower mold are disposed on the upper surface of the base, the lower mold is disposed adjacent to the testing bracket, the pressing mechanism is disposed on the upper end of the testing bracket, and the upper mold is disposed below the pressing mechanism. The testing bracket includes a supporting horizontal plate, a supporting rod is disposed between the supporting horizontal plate and the base, a mounting plate is disposed on the supporting rod, linear bearings sleeved on both ends of the mounting plate are disposed on the supporting rod, a lifting spring is disposed between the base and the linear bearings, and the lower end of the mounting plate is detachably connected to the upper mold.

[0008] Preferably, the lower end face of the base is provided with a support foot.

[0009] Preferably, the test bracket is a one-piece molded structure.

[0010] Preferably, the test bracket is provided with a fixing plate, support plates are provided on both sides of the fixing plate, a side plate is provided at the front end of the support plate, and an outwardly bent connecting base plate is provided at the lower end of the support plate. The connecting base plate is provided with fixing through holes, and the fixing plate is also provided with mounting through holes, the number of which is four.

[0011] Preferably, the pressing mechanism includes a pressing base, a crank, a connecting plate, a lifting rod, a rotating shaft, an upper rotating shaft, a lower rotating shaft, and an adjusting bolt. The rotating shaft is inserted into and passes through the upper end of the pressing base and is connected to the crank. The upper rotating shaft is inserted into and passes through the upper end of the connecting plate and is connected to the crank. The lower rotating shaft is inserted into and passes through the lower end of the connecting plate and is connected to the lifting rod. The lower end of the lifting rod is connected to the adjusting bolt.

[0012] Preferably, a limiting cylinder is provided at the lower end of the lower pressure seat, the lifting rod is inserted into and passes through the limiting cylinder and connected to the adjusting bolt, and an adjusting nut is sleeved on the adjusting bolt.

[0013] Preferably, the support plate is also provided with a through connection hole.

[0014] (III) Beneficial Effects

[0015] By pressing the pressing mechanism on the test bracket, the mounting plate on the test bracket is pressed down simultaneously, and the upper mold on the mounting plate comes into contact with the lower mold, allowing the test product installed between the upper and lower molds to complete the relevant test items. After the test is completed, it automatically resets under the action of the lifting spring. Both the upper and lower molds are detachable and set on the mounting plate and base. Molds can be designed according to the types of products produced. This design makes product testing more convenient, improves production efficiency, and reduces equipment costs. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this utility model to explain the technical solution of this utility model, and do not constitute a limitation on the technical solution of this utility model.

[0017] Figure 1 This is the main structural view of the general-purpose test fixture;

[0018] Figure 2 This is a three-dimensional view of the overall structure of a general-purpose test fixture;

[0019] Figure 3 This is a 3D view of the test bracket for a general-purpose test fixture;

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Base; 2. Pressing mechanism; 21. Crank; 22. Connecting plate; 23. Pressing seat; 24. Lifting rod; 26. Rotating shaft; 27. Upper rotating shaft; 28. Lower rotating shaft; 29. ​​Limiting cylinder; 3. Upper mold; 4. Lower mold; 5. Test bracket; 51. Fixing plate; 52. Mounting through hole; 53. Support plate; 54. Connecting through hole; 55. Side plate; 56. Fixing through hole; 57. Connecting base plate; 6. Supporting cross plate; 7. Support rod; 8. Linear bearing; 9. Lifting spring; 10. Mounting plate; 11. Adjusting bolt; 12. Adjusting nut; 13. Support foot. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0023] The following is in conjunction with the appendix Figures 1 to 3 To further describe, this utility model discloses a universal testing fixture, including a base 1, a testing bracket 5, a pressing mechanism 2, an upper mold 3, and a lower mold 4. The testing bracket 5 and the lower mold 4 are disposed on the upper end surface of the base 1, and the lower mold 4 is disposed adjacent to the testing bracket 5. The pressing mechanism 2 is disposed on the upper end of the testing bracket 5, and the upper mold 3 is disposed below the pressing mechanism 2. The testing bracket 5 includes a supporting horizontal plate 6, and two supporting rods 7 are disposed between the supporting horizontal plate 6 and the base 1. A mounting plate 10 is disposed on the supporting rods 7, and linear bearings 8 are sleeved on both ends of the mounting plate 10. The linear bearings 8 are respectively sleeved on the two supporting rods 7 and move up and down along the supporting rods 7 under the action of the pressing mechanism 2 and the lifting spring 9. A lifting spring 9 is disposed between the base 1 and the linear bearings 8. The lower end of the mounting plate 10 is detachably connected to the upper mold 3. The pressing mechanism 2 pushes the upper mold 3 and the lower mold 4 to cooperate and complete the corresponding test on the test product.

[0024] In a preferred embodiment, the lower end face of the base 1 is provided with four support feet 13, which are respectively arranged around the lower end face of the base 1.

[0025] In a preferred embodiment, the test bracket 5 is an integral structure made by cutting and bending a metal plate with a thickness of 1mm to 2mm.

[0026] In a preferred embodiment, the test bracket 5 is provided with a fixing plate 51, and support plates 53 are provided on both sides of the fixing plate 51. A side plate 55 is provided at the front end of the support plate 53, and an outwardly bent connecting base plate 57 is provided at the lower end of the support plate 53. The connecting base plate 57 is provided with a fixing through hole 56, which is used to fix the pressing mechanism 2 by cooperating with screws. The fixing plate 51 is also provided with four mounting through holes 52, which are used to fix the test bracket 5 to the base 1 by cooperating with screws.

[0027] In a preferred embodiment, the pressing mechanism 2 includes a pressing base 23, a crank 21, a connecting plate 22, a lifting rod 24, a rotating shaft 26, an upper rotating shaft 27, a lower rotating shaft 28, and an adjusting bolt 11. The rotating shaft 26 is inserted into and passes through the upper end of the pressing base 23 and is connected to the crank 21. The upper rotating shaft 27 is inserted into and passes through the upper end of the connecting plate 22 and is connected to the crank 21. The lower rotating shaft 28 is inserted into and passes through the lower end of the connecting plate 22 and is connected to the lifting rod 24. The lower end of the lifting rod 24 is provided with a screw hole, and the adjusting bolt 11 is adjusted up and down within the depth range of the screw hole to adapt to different upper and lower molds.

[0028] In a preferred embodiment, a limiting cylinder 29 is provided at the lower end of the lower pressure seat 23, and the lifting rod 24 is inserted into and passes through the limiting cylinder 29 to connect with the adjusting bolt 11. The adjusting bolt 11 is fitted with an adjusting nut 12.

[0029] In a preferred embodiment, the support plate 53 is also provided with a through connection hole 54, which is used to fix the support plate 6 to the test bracket 5 by means of screws.

[0030] In summary, by pressing the pressing mechanism on the test bracket, the mounting plate on the test bracket is pressed down synchronously by the downward movement of the adjusting bolt. The upper mold on the mounting plate then contacts the lower mold, allowing the test product installed between the upper and lower molds to complete related tests such as waterproof performance, compression testing, and motherboard function testing. After the test is completed, the product automatically resets under the action of the lifting spring. Both the upper and lower molds are detachable and mounted on the mounting plate and base. Molds can be designed according to the types of products being produced. This design makes product testing more convenient, improves production efficiency, increases the functional diversity of the test fixture, and saves production costs.

[0031] Although the technical solutions according to the present invention have been described with reference to several different embodiments, aspects and features, it is not intended to limit the scope of the present invention, but modifications thereof are included within the broad scope of the foregoing disclosure, drawings and claims.

Claims

1. A universal testing fixture, comprising a base, a testing bracket, a pressing mechanism, an upper mold, and a lower mold, wherein the testing bracket and the lower mold are disposed on the upper end surface of the base, the lower mold is disposed adjacent to the testing bracket, the pressing mechanism is disposed at the upper end of the testing bracket, and the upper mold is disposed below the pressing mechanism, characterized in that: The test bracket includes a support plate, a support rod is provided between the support plate and the base, an mounting plate is provided on the support rod, linear bearings are provided at both ends of the mounting plate and sleeved on the support rod, a lifting spring is provided between the base and the linear bearings, and the lower end of the mounting plate is detachably connected to the mold.

2. The universal test fixture according to claim 1, characterized in that: The lower end face of the base is provided with support feet.

3. The universal test fixture according to claim 1, characterized in that: The test bracket is a one-piece molded structure.

4. The universal test fixture according to claim 3, characterized in that: The test bracket is provided with a fixing plate, support plates are provided on both sides of the fixing plate, a side plate is provided at the front end of the support plate, and an outwardly bent connecting base plate is provided at the lower end of the support plate. The connecting base plate is provided with fixing through holes, and the fixing plate is also provided with four mounting through holes.

5. The universal test fixture according to claim 1, characterized in that: The pressing mechanism includes a pressing base, a crank, a connecting plate, a lifting rod, a rotating shaft, an upper rotating shaft, a lower rotating shaft, and an adjusting bolt. The rotating shaft is inserted into and passes through the upper end of the pressing base and is connected to the crank. The upper rotating shaft is inserted into and passes through the upper end of the connecting plate and is connected to the crank. The lower rotating shaft is inserted into and passes through the lower end of the connecting plate and is connected to the lifting rod. The lower end of the lifting rod is connected to the adjusting bolt.

6. The universal test fixture according to claim 5, characterized in that: The lower end of the pressure seat is provided with a limiting cylinder. The lifting rod is inserted into and passes through the limiting cylinder and is connected to the adjusting bolt. The adjusting bolt is fitted with an adjusting nut.

7. The universal test fixture according to claim 4, characterized in that: The support plate is also provided with a through-hole for connection.

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