CN211826361U - Pneumatic structure test fixture for circuit board - Google Patents
Pneumatic structure test fixture for circuit board Download PDFInfo
- Publication number
- CN211826361U CN211826361U CN202020211506.8U CN202020211506U CN211826361U CN 211826361 U CN211826361 U CN 211826361U CN 202020211506 U CN202020211506 U CN 202020211506U CN 211826361 U CN211826361 U CN 211826361U
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- CN
- China
- Prior art keywords
- circuit board
- test fixture
- support
- pneumatic structure
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is suitable for a circuit board test technical field provides a pneumatic structure test fixture for circuit board, including base, constant head tank, housing screw, piston rod, support, guide rail, axle, gland nut, scalable mount, two pole cylinders, fixed plate, faller, adjustable locating frame, spout and fixed locating frame; the utility model discloses, realized the purpose of testing the circuit board of difference or the different functions to same circuit board on the one hand, improved work efficiency, on the other hand has solved the problem that the circuit board may be damaged to the clamping device, has avoided causing economic loss to the enterprise.
Description
Technical Field
The utility model belongs to the technical field of the circuit board test, especially, relate to a pneumatic structure test fixture for circuit board.
Background
The jig is a tool for carpenters, ironmen and other handicrafts, and is mainly used as a tool for assisting in controlling positions or actions. Jigs have been widely used in industrial times, including mechanical jigs, woodworking jigs, welding jigs, jewelry jigs, and other fields. The test fixture belongs to the category below the fixture, and is a fixture specially used for testing and experimenting functions, power calibration, service life, performance and the like of a product. The test fixture is mainly used for testing various indexes of products on a production line, so the test fixture is called. The circuit board test fixture is a mechanical auxiliary device for testing whether the circuit board reaches the performance or effect expected by the designer, and can detect the defects of the circuit board, so that the circuit board test fixture is widely applied to the production process of electronic products. However, in the prior art, when different circuit boards or different functions of the same circuit board are to be tested, a set of special jig needs to be designed, which is time-consuming and high in cost; on the other hand, the existing circuit board clamping device can damage the circuit board, and economic loss of enterprises is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pneumatic structure test fixture for circuit boards, which aims to solve the problem of time and cost caused by the need of designing a set of special fixture when testing different circuit boards or different functions of the same circuit board; on the other hand, aim at solving current circuit board clamping device and can damage the problem of enterprise's economic loss that causes the circuit board.
The utility model discloses a realize like this, including base, piston rod, support, scalable mount, two pole cylinders, fixed plate, its characterized in that: the upper surface of the base is provided with a fixed positioning frame, two ends of the fixed positioning frame are connected with adjustable positioning frames, guide rails are formed on the adjustable positioning frames, four compression screws are fixedly mounted on the adjustable positioning frames, positioning grooves are formed in the fixed positioning frames and the adjustable positioning frames, a support is formed at the rear part of the base, the upper part of the support is provided with the telescopic fixing frame, a chute is formed on the telescopic fixing frame, a shaft is arranged on the upper part of the support in a penetrating manner, the shaft is arranged in the telescopic fixing frame in a penetrating manner, two compression nuts are fixedly mounted at two ends of the shaft, the bottom of the telescopic fixing frame is fixedly provided with the double-rod cylinder, two piston rods are mounted in the double-rod cylinder along the vertical direction, and one end, far away from the double-rod cylinder, of each piston rod is fixedly provided with the fixing plate along the horizontal, and a needle plate is fixedly arranged on the other side of the fixed plate, which is far away from the piston rod.
Further, a thread is formed in the guide rail, and a thread is formed at both ends of the shaft.
Furthermore, the adjustable positioning frame and the four compression screws are in clearance fit, the shaft and the telescopic fixing frame are in clearance fit, and the shaft and the support are in interference fit.
Further, the double-rod cylinder is connected with an external controller.
Furthermore, the fixing plate is connected with the needle plate through screws.
Compared with the prior art, the beneficial effects of the utility model are that: through the combined work of the positioning mechanism consisting of the fixed positioning frame and the adjustable positioning frame, the detachable needle plate and the telescopic fixing frame, on one hand, the purpose of testing different circuit boards or different functions of the same circuit board is achieved, the working efficiency is improved, on the other hand, the problem that the circuit board can be damaged by a clamping device is solved, and the economic loss caused to enterprises is avoided.
Drawings
Fig. 1 is a schematic view of an overall structure of a first viewing angle provided by the present invention;
fig. 2 is a schematic view of the overall structure of a second viewing angle provided by the present invention;
fig. 3 is a schematic structural diagram of the positioning mechanism provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2 and fig. 3, in this embodiment, the utility model discloses a pneumatic structure test fixture for circuit board, including base 1, piston rod 4, support 5, scalable mount 9, two pole cylinders 10, fixed plate 11, its characterized in that: the upper surface of the base 1 is provided with a fixed positioning frame 15, two ends of the fixed positioning frame 15 are connected with adjustable positioning frames 13, positioning grooves 2 are formed in the fixed positioning frame 15 and the adjustable positioning frames 13, circuit boards can be placed in the positioning grooves 2, fixing and positioning of the circuit boards are realized, guide rails 14 are formed on the adjustable positioning frames 13, four compression screws 3 are fixedly mounted on the adjustable positioning frames 13, the size of the positioning grooves 2 is changed by utilizing the guide rails 14 and the four compression screws 3 to achieve the purpose of fixing different circuit boards, the rear portion of the base 1 is provided with the support 5, the upper portion of the support 5 is provided with the telescopic fixing frame 9, the telescopic fixing frame 9 is provided with a sliding groove 6, and the upper portion of the support 5 is provided with a shaft 7 in a penetrating manner, axle 7 run through set up in scalable mount 9, 7 both ends fixed mounting of axle has two gland nut 8, through spout 6 and axle 7 can be adjusted scalable mount 9's extension length, two gland nut 8 can be fixed scalable mount 9's position, scalable mount 9's bottom fixed mounting has one two pole cylinders 10, install two along vertical direction in two pole cylinders 10 piston rod 4, two piston rod 4 keeps away from the one end of two pole cylinders 10 has one along horizontal direction fixed mounting fixed plate 11, fixed plate 11 keeps away from the another side fixed mounting of piston rod 4 has faller 12, two pole cylinders 10 and two piston rod 4 drives fixed plate 11 and faller 12 is reciprocating motion from top to bottom. Threads are formed in the guide rail 14, and the purpose of fixing the positioning mechanism can be achieved through the threads formed in the guide rail 14 and the four compression screws 3. Both ends of the shaft 7 are formed with threads, and the telescopic fixing frame 9 can be pressed through the threads formed at both ends of the shaft 7 and the two compression nuts 8, so that the position of the telescopic fixing frame 9 is fixed. Adjustable locating frame 13 and four housing screw 3 is clearance fit, can change adjustable locating frame 13's size, axle 7 with scalable mount 9 is clearance fit, has realized scalable mount 9 along the removal of horizontal direction to the extension length of control scalable mount 9, axle 7 with support 5 is interference fit, can prevent axle 7 takes place to slide or squint. The double-rod cylinder 10 is connected with an external controller and controls the up-and-down reciprocating motion of the two piston rods 4. The needle plate 12 is connected to the fixing plate 11 through screws, so that the needle plate 12 can be detached.
When the device is used for testing a circuit board, the four compression screws 3 are unscrewed, the adjustable positioning frame 13 is pulled, the positioning mechanism consisting of the fixed positioning frame 15 and the adjustable positioning frame 13 reaches the maximum size, meanwhile, the positioning groove 2 also reaches the maximum size, the circuit board is placed in the positioning groove 2, the adjustable positioning frame 13 is pushed, the circuit board is just placed in the positioning groove 2, and the four compression screws 3 are screwed down; fixedly mounting a needle plate 12 on a fixing plate 11 through screw connection, unscrewing two compression nuts 8, pulling a telescopic fixing frame 9, adjusting the extension length of the telescopic fixing frame 9 to enable the needle plate 12 to be located at a proper testing position, and screwing two compression nuts 8; the two piston rods 4 are controlled to move downwards by adjusting the external controller, so that the needle plate 12 is contacted with a circuit board to complete the test work, and finally the two piston rods 4 are controlled to reset by adjusting the external controller. When different circuit boards or different functions of the same circuit board need to be tested, the operation can be realized by replacing the needle plate 12, adjusting the size of the positioning groove 2 and adjusting the position of the needle plate 12 again.
Through the combined work of the positioning mechanism consisting of the fixed positioning frame 15 and the adjustable positioning frame 13, the detachable needle plate 12 and the telescopic fixing frame 9, on one hand, the purpose of testing different circuit boards or different functions of the same circuit board is achieved, the working efficiency is improved, on the other hand, the problem that the circuit board can be damaged by a clamping device is solved, and the economic loss of enterprises is avoided.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a pneumatic structure test fixture for circuit board, includes base (1), piston rod (4), support (5), scalable mount (9), two pole cylinders (10), fixed plate (11), its characterized in that: the upper surface of the base (1) is provided with a fixed positioning frame (15), two ends of the fixed positioning frame (15) are connected with adjustable positioning frames (13), guide rails (14) are formed on the adjustable positioning frames (13), four compression screws (3) are fixedly mounted on the adjustable positioning frames (13), positioning grooves (2) are formed in the fixed positioning frames (15) and the adjustable positioning frames (13), the rear portion of the base (1) is provided with one support (5), the upper portion of the support (5) is provided with the telescopic fixing frame (9), sliding grooves (6) are formed on the telescopic fixing frame (9), the upper portion of the support (5) is provided with a shaft (7) in a penetrating manner, the shaft (7) is arranged in the telescopic fixing frame (9) in a penetrating manner, and two compression nuts (8) are fixedly mounted at two ends of the shaft (7), the bottom fixed mounting of scalable mount (9) has one two pole cylinders (10), install two along vertical direction in two pole cylinders (10) piston rod (4), two piston rod (4) are kept away from the one end of two pole cylinders (10) has one along horizontal direction fixed mounting fixed plate (11), fixed plate (11) are kept away from the another side fixed mounting of piston rod (4) has faller (12).
2. The pneumatic structure test fixture for the circuit board according to claim 1, wherein: threads are formed in the guide rail (14), and threads are formed at both ends of the shaft (7).
3. The pneumatic structure test fixture for the circuit board according to claim 1, wherein: adjustable locating frame (13) and four housing screw (3) are clearance fit, axle (7) with scalable mount (9) are clearance fit, axle (7) with support (5) are interference fit.
4. The pneumatic structure test fixture for the circuit board according to claim 1, wherein: the double-rod cylinder (10) is connected with an external controller.
5. The pneumatic structure test fixture for the circuit board according to claim 1, wherein: the fixing plate (11) is connected with the needle plate (12) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020211506.8U CN211826361U (en) | 2020-02-25 | 2020-02-25 | Pneumatic structure test fixture for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020211506.8U CN211826361U (en) | 2020-02-25 | 2020-02-25 | Pneumatic structure test fixture for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211826361U true CN211826361U (en) | 2020-10-30 |
Family
ID=72998605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020211506.8U Expired - Fee Related CN211826361U (en) | 2020-02-25 | 2020-02-25 | Pneumatic structure test fixture for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211826361U (en) |
-
2020
- 2020-02-25 CN CN202020211506.8U patent/CN211826361U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |