CN220961629U

CN220961629U - Electron PCBA test fixture convenient to adjustment

Info

Publication number: CN220961629U
Application number: CN202322916973.7U
Authority: CN
Inventors: 王端喜; 程永明
Original assignee: Shenzhen Shengmei Electronics Co ltd
Current assignee: Shenzhen Shengmei Electronics Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-05-14
Anticipated expiration: 2033-10-30

Abstract

The utility model discloses an electronic PCBA test fixture convenient to adjust, which comprises a base, a test platform, a fixing plate, a lifting air cylinder, a pressing plate and a pressing rod, wherein the test platform is fixedly arranged at the top of the base, the fixing plate is fixedly arranged on the right side of the top of the base, the lifting air cylinder is fixedly arranged on the left side of the fixing plate, the pressing plate is fixedly connected to the bottom of the lifting air cylinder, and the pressing rod is fixedly arranged at the bottom of the pressing plate. According to the utility model, the adjusting groove, the thread blocks, the limiting plate and the driving assembly are arranged, so that the driving assembly can effectively drive the thread blocks to move, and the thread blocks drive the limiting plate to move in the adjusting groove, thereby facilitating the adjustment of the position of the limiting plate by a user, and solving the problem that the work efficiency of the test fixture is reduced because the PCBA is limited by the limiting plate because the PCBA is not convenient to adjust and is limited by the limiting plate which is required to be manually adjusted by the user.

Description

Electron PCBA test fixture convenient to adjustment

Technical Field

The utility model relates to the technical field of PCBA test fixtures, in particular to an electronic PCBA test fixture convenient to adjust.

Background

The PCBA is a common writing method in China, and in the PCBA production and processing process, the PCBA must be subjected to corresponding test before leaving the factory to judge whether the PCBA is normal

At present, the chinese utility model of publication No. CN208736901U discloses a fixture for PCBA test, including the test fixture body, the bottom of test fixture body is provided with the fixing base, the upper surface fixed mounting of fixing base has the support column, and the upper surface of fixing base is located the rear side position department fixed mounting of support column has the fixed plate, the outside cover of support column is equipped with first spring, and the top fixed mounting of support column has test platform. The utility model has scientific and reasonable structure and convenient operation, and can limit PCBA to be detected through the first limiting plate, the second limiting plate, the third limiting plate and the fourth limiting plate, play a certain guiding role at the same time, ensure the accuracy of the detection result, and realize the sliding of the first limiting plate, the second limiting plate, the third limiting plate and the fourth limiting plate through the first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove, so that the PCBA is suitable for PCBA with different sizes and the practicability of the test fixture is improved.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment is when using can solve PCBA test process among the prior art and realize the regulation from top to bottom of pressure strip through manual adjustment handle usually, not only extravagant manpower, work efficiency reduces simultaneously, bring inconvenience for the user, and test in-process moreover, can not carry out spacingly to PCBA, the phenomenon of displacement or put the off tracking appears easily, influence the accuracy of test result, the too big damage that easily causes the depression bar of dynamics in the depression bar depression process simultaneously, reduce its life's problem, but at the in-process of using, owing to not possess the adjustment structure of being convenient for, when spacing PCBA through the limiting plate to detection, need the manual regulation limiting plate of user to carry out spacingly to PCBA, thereby reduced test fixture's work efficiency.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model aims to provide the electronic PCBA test fixture convenient to adjust, which has the advantage of being convenient to adjust, and solves the problem that the work efficiency of the test fixture is reduced because a user is required to manually adjust the limiting plate to limit the PCBA when the detected PCBA is limited by the limiting plate because the electronic PCBA test fixture is not provided with the structure convenient to adjust.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electron PCBA test fixture convenient to adjustment, includes base, test platform, fixed plate, lift cylinder, pressure strip and depression bar, test platform fixed mounting is at the top of base, fixed plate fixed mounting is on the right side at base top, lift cylinder fixed mounting is in the left side of fixed plate, pressure strip fixed connection is in the bottom of lift cylinder, depression bar fixed mounting is in the bottom of pressure strip, the adjustment groove has been seted up at test platform's top, the inside swing joint in adjustment groove has the screw thread piece, the top fixedly connected with limiting plate of screw thread piece, the inside fixed mounting in adjustment groove has drive assembly, supplementary spacing subassembly has all been seted up to the inboard both sides of limiting plate.

As the preferable mode of the utility model, the driving component comprises a double-shaft motor, the output end of the double-shaft motor is fixedly connected with a threaded rod, the outer side of the threaded rod is movably connected with the front side and the rear side of the inner wall of the adjusting groove through a shaft pin, and the surface of the threaded rod is in threaded connection with the inner part of the threaded block.

As the preferable one of the utility model, the auxiliary limit component comprises a movable groove, the movable groove is arranged on two sides of the inner side of the limit plate, the two sides of the inner wall of the movable groove are fixedly provided with connecting rods, the surfaces of the connecting rods are sleeved with springs, the surfaces of the connecting rods are movably connected with limit blocks, one ends of the springs are fixedly connected with the inner side of the inner wall of the movable groove, and the other ends of the springs are fixedly connected with the inner sides of the limit blocks.

As the preferable mode of the utility model, slotted holes are formed on two sides of the inner side of the limiting plate, and anti-skid blocks are fixedly arranged in the slotted holes.

As the preferable mode of the utility model, the inner side of the limiting plate is provided with the mounting groove, the inside of the mounting groove is fixedly connected with the contact sensor, the front side of the testing platform is fixedly provided with the controller, the contact sensor is electrically connected with the controller through a wire, and the controller is electrically connected with the double-shaft motor through the wire.

As the preferable mode of the utility model, the top of the test platform is provided with dust discharging holes, and the number of the dust discharging holes is set into a plurality of groups and distributed in rectangular equal distance.

As the preferable mode of the utility model, the front side and the rear side of the top of the base are respectively provided with a sliding groove, the inside of the sliding groove is movably connected with a sliding block, and the top of the sliding block is fixedly connected with a collecting box.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the adjusting groove, the thread blocks, the limiting plate and the driving assembly are arranged, so that the driving assembly can effectively drive the thread blocks to move, and the thread blocks can drive the limiting plate to move in the adjusting groove, thereby facilitating the adjustment of the position of the limiting plate by a user.

2. According to the utility model, the driving assembly is arranged, so that the double-shaft motor can effectively drive the threaded rod to rotate, and then the threaded rod drives the threaded block to move, so that the threaded block drives the limiting plate to adjust.

3. According to the utility model, the auxiliary limiting component is arranged, so that the moving groove can effectively fix the connecting rod, the spring is limited through the connecting rod, then the limiting block is pulled to move through the shrinkage of the spring, the limiting inner side of the limiting block is enabled to move, and the two sides of the PCBA can be subjected to auxiliary limiting through the limiting block.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a driving assembly according to the present utility model;

Fig. 3 is a schematic perspective view of an auxiliary limiting assembly according to the present utility model.

In the figure: 1. a base; 2. a test platform; 3. a fixing plate; 4. a lifting cylinder; 5. a compacting plate; 6. a compression bar; 7. an adjustment groove; 8. a screw block; 9. a limiting plate; 10. a drive assembly; 101. a biaxial motor; 102. a threaded rod; 11. an auxiliary limit component; 111. a moving groove; 112. a connecting rod; 113. a spring; 114. a limiting block; 12. a slot hole; 13. an anti-skid block; 14. a mounting groove; 15. a contact sensor; 16. a controller; 17. dust exhaust holes; 18. a chute; 19. a slide block; 20. and (5) collecting a box.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the electronic PCBA testing fixture convenient to adjust provided by the utility model comprises a base 1, a testing platform 2, a fixing plate 3, a lifting cylinder 4, a compacting plate 5 and a pressing rod 6, wherein the testing platform 2 is fixedly arranged at the top of the base 1, the fixing plate 3 is fixedly arranged on the right side of the top of the base 1, the lifting cylinder 4 is fixedly arranged on the left side of the fixing plate 3, the compacting plate 5 is fixedly connected to the bottom of the lifting cylinder 4, the pressing rod 6 is fixedly arranged at the bottom of the compacting plate 5, an adjusting groove 7 is formed in the top of the testing platform 2, a threaded block 8 is movably connected to the inside of the adjusting groove 7, a limiting plate 9 is fixedly connected to the top of the threaded block 8, a driving component 10 is fixedly arranged in the inside of the adjusting groove 7, and auxiliary limiting components 11 are respectively formed on two sides of the inner side of the limiting plate 9.

Referring to fig. 1 and 2, the driving assembly 10 includes a dual-shaft motor 101, an output end of the dual-shaft motor 101 is fixedly connected with a threaded rod 102, an outer side of the threaded rod 102 is movably connected with a front side and a rear side of an inner wall of the adjusting groove 7 through a shaft pin, and a surface of the threaded rod 102 is in threaded connection with an inner portion of the threaded block 8.

As a technical optimization scheme of the utility model, by arranging the driving assembly 10, the double-shaft motor 101 can effectively drive the threaded rod 102 to rotate, and then the threaded rod 102 drives the threaded block 8 to move, so that the threaded block 8 drives the limiting plate 9 to adjust.

Referring to fig. 3, the auxiliary limiting component 11 includes a moving groove 111, the moving groove 111 is formed on two sides of the inner side of the limiting plate 9, connecting rods 112 are fixedly mounted on two sides of the inner wall of the moving groove 111, springs 113 are sleeved on the surfaces of the connecting rods 112, limiting blocks 114 are movably connected to the surfaces of the connecting rods 112, one ends of the springs 113 are fixedly connected with the inner side of the inner wall of the moving groove 111, and the other ends of the springs 113 are fixedly connected with the inner side of the limiting blocks 114.

As a technical optimization scheme of the utility model, the auxiliary limiting assembly 11 is arranged, the moving groove 111 can effectively fix the connecting rod 112, the spring 113 is limited through the connecting rod 112, then the limiting block 114 is pulled to move through the shrinkage of the spring 113, the limiting block 114 is enabled to move at the limiting inner side, and the two sides of the PCBA can be subjected to auxiliary limiting through the limiting block 114.

Referring to fig. 2 and 3, slot holes 12 are formed on both sides of the inner side of the limiting plate 9, and anti-slip blocks 13 are fixedly installed in the slot holes 12.

As a technical optimization scheme of the utility model, through arranging the slotted hole 12 and the anti-skid block 13, the slotted hole 12 can effectively fix the anti-skid block 13, and the stability of the limiting plate 9 during limiting can be improved through the anti-skid block 13, so that the sliding phenomenon during limiting of the limiting plate 9 is prevented.

Referring to fig. 2, a mounting groove 14 is formed in the inner side of the limiting plate 9, a contact sensor 15 is fixedly connected to the inner side of the mounting groove 14, a controller 16 is fixedly mounted on the front side of the test platform 2, the contact sensor 15 is electrically connected with the controller 16 through a wire, and the controller 16 is electrically connected with the biaxial motor 101 through a wire.

As a technical optimization scheme of the utility model, the mounting groove 14, the contact sensor 15 and the controller 16 are arranged, so that the mounting groove 14 can effectively fix the contact sensor 15, when the limiting plate 9 contacts with the PCBA, the contact sensor 15 can simultaneously contact with the PCAB, and then the contact sensor 15 can transmit an induction signal to the controller 16, so that the controller 16 controls the double-shaft motor 101 to stop rotating, and damage to the PCBA when the limiting plate 9 limits is avoided.

Referring to fig. 1 and 2, dust discharging holes 17 are formed in the top of the test platform 2, and the number of the dust discharging holes 17 is set to be a plurality of groups and distributed in rectangular equal distance.

By means of the technical optimization scheme, dust falling on the surface of the PCBA can be effectively discharged through the dust discharging holes 17, and the dust is prevented from remaining on the top of the test platform 2 to influence re-detection.

Referring to fig. 1, a sliding groove 18 is formed in the front side and the rear side of the top of the base 1, a sliding block 19 is movably connected in the sliding groove 18, and a collecting box 20 is fixedly connected to the top of the sliding block 19.

According to the technical optimization scheme, through the arrangement of the sliding groove 18, the sliding block 19 and the collecting box 20, dust discharged from the dust discharging hole 17 in the collecting box 20 can be effectively collected, the problem that a user is difficult to clean due to the fact that the dust falls to the top of the base 1 is avoided, and the collecting box 20 can be detached and cleaned by moving the sliding block 19 in the sliding groove 18.

The working principle and the using flow of the utility model are as follows: when in use, firstly, a user puts PCBA into the top of the test platform 2, then the user starts the double-shaft motor 101 through the starting controller 16, then the double-shaft motor 101 drives the threaded rod 102 to rotate, then the threaded rod 102 drives the threaded block 8 to move, the threaded block 8 moves in the adjusting groove 7, then the threaded block 8 drives the limiting plate 9 to limit the PCBA, thereby the effect of being convenient for adjust the limiting plate 9 can be achieved, the test efficiency of the test platform 2 can be improved, when the limiting plate 9 contacts with the PCBA, the contact sensor 15 in the mounting groove 14 contacts with the PCBA, then the contact sensor 15 transmits an induction signal to the controller 16, the controller 16 controls the double-shaft motor 101 to stop rotating, thereby damage to the PCBA is avoided when the limiting plate 9 is limited, then the spring 113 is limited through the connecting rod 112, then the spring 113 moves through the shrinkage pulling 114, the limiting block 114 can limit the PCBA, thereby the effect of auxiliary limiting can be achieved, the anti-sliding block 13 is fixed through the slotted hole 12, and the stability of the anti-sliding block 13 can be improved, and the limiting phenomenon of the limiting plate 9 is prevented from sliding when the limiting plate 9 is limited.

To sum up: this electron PCBA test fixture convenient to adjustment through setting up adjustment groove 7, screw thread piece 8, limiting plate 9 and drive assembly 10, can effectually make drive assembly 10 drive screw thread piece 8 and remove, makes screw thread piece 8 drive limiting plate 9 remove in adjustment groove 7's inside to convenient to use person adjusts the position of limiting plate 9, has solved because not having the adjustment structure of being convenient for, when limiting plate is spacing to the PCBA that detects, needs the manual regulation limiting plate of user to carry out spacingly to PCBA, thereby has reduced test fixture's work efficiency's problem.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electron PCBA test fixture convenient to adjustment, includes base (1), test platform (2), fixed plate (3), lift cylinder (4), pressure strip (5) and depression bar (6), its characterized in that: test platform (2) fixed mounting is at the top of base (1), fixed plate (3) fixed mounting is on the right side at base (1) top, lift cylinder (4) fixed mounting is in the left side of fixed plate (3), clamp plate (5) fixed connection is in the bottom of lift cylinder (4), depression bar (6) fixed mounting is in the bottom of clamp plate (5), adjustment groove (7) have been seted up at the top of test platform (2), the inside swing joint of adjustment groove (7) has screw thread piece (8), the top fixedly connected with limiting plate (9) of screw thread piece (8), the inside fixed mounting of adjustment groove (7) has drive assembly (10), supplementary spacing subassembly (11) have all been seted up to the inboard both sides of limiting plate (9).

2. The electronic PCBA testing fixture convenient to adjust according to claim 1, wherein: the driving assembly (10) comprises a double-shaft motor (101), the output end of the double-shaft motor (101) is fixedly connected with a threaded rod (102), the outer side of the threaded rod (102) is movably connected with the front side and the rear side of the inner wall of the adjusting groove (7) through a shaft pin, and the surface of the threaded rod (102) is in threaded connection with the inner part of the threaded block (8).

3. The electronic PCBA testing fixture convenient to adjust according to claim 1, wherein: the auxiliary limiting assembly (11) comprises a moving groove (111), wherein the moving groove (111) is formed in two sides of the inner side of the limiting plate (9), connecting rods (112) are fixedly installed on two sides of the inner wall of the moving groove (111), springs (113) are sleeved on the surfaces of the connecting rods (112), limiting blocks (114) are movably connected to the surfaces of the connecting rods (112), one ends of the springs (113) are fixedly connected with the inner sides of the inner walls of the moving groove (111), and the other ends of the springs (113) are fixedly connected with the inner sides of the limiting blocks (114).

4. The electronic PCBA testing fixture convenient to adjust according to claim 1, wherein: slotted holes (12) are formed in two sides of the inner side of the limiting plate (9), and anti-slip blocks (13) are fixedly arranged in the slotted holes (12).

5. The electronic PCBA testing fixture convenient to adjust according to claim 4, wherein: the inside of limiting plate (9) has seted up mounting groove (14), the inside fixedly connected with contact sensor (15) of mounting groove (14), the front side fixed mounting of test platform (2) has controller (16), contact sensor (15) pass through wire and controller (16) electric connection, controller (16) pass through wire and biax motor (101) electric connection.

6. The electronic PCBA testing fixture convenient to adjust according to claim 1, wherein: dust discharging holes (17) are formed in the top of the test platform (2), and the number of the dust discharging holes (17) is set to be a plurality of groups and distributed in rectangular equidistance.

7. The electronic PCBA testing fixture convenient to adjust according to claim 1, wherein: the novel multifunctional portable device is characterized in that sliding grooves (18) are formed in the front side and the rear side of the top of the base (1), sliding blocks (19) are movably connected inside the sliding grooves (18), and collecting boxes (20) are fixedly connected to the top of the sliding blocks (19).