CN213933960U

CN213933960U - SMD automatic test fixture

Info

Publication number: CN213933960U
Application number: CN202023191305.5U
Authority: CN
Inventors: 肖楚平
Original assignee: Sichuan Haojin Technology Co ltd
Current assignee: Sichuan Haojin Technology Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-08-10
Anticipated expiration: 2030-12-26

Abstract

An SMD automatic test fixture comprises a supporting base, a test moving seat is arranged at the center of the outer wall at the top end of the supporting base, moving rail seats are fixedly connected at the two sides of the test moving seat, a moving support plate is fixedly connected at the top end of the moving rail seats, the test moving seat comprises a moving clamping block, a curved groove is arranged at the top end part of the moving clamping block, a mounting block is fixedly connected at the bottom end wall of the curved groove, a gear strip is fixedly connected onto the mounting block, a test fixture is arranged in the curved groove and comprises a curved clamping seat, a limiting frame is fixedly connected to the outer wall at the bottom end of the curved clamping seat, a gear is arranged at the center of the limiting frame and can be matched with the gear strip for use, a test device is arranged at the top end of the curved clamping seat, in the utility model, when the test device with the size within the specified range needs to be replaced, the test device can be tested without disassembling and replacing the test fixture, the operation mode is simple and convenient, is convenient for use.

Description

SMD automatic test fixture

Technical Field

The utility model relates to a surface mounting components and parts test fixture technical field especially relates to a SMD automatic test fixture.

Background

The SMD is a surface-mounted device and mainly comprises rectangular sheet materials, cylindrical sheet materials, composite sheet materials and special-shaped sheet materials. For a rectangular sheet type surface-mounted device, various specification parameters of a semi-finished product, such as direct current resistance, inductance, leakage inductance and the like, need to be tested after production is completed, the testing is generally completed by adopting manual matching equipment, and after the testing is qualified, the product is packaged through packaging equipment such as a packaging machine and the like, namely, the production work of the whole electronic product is completed.

However, in the specific testing process of the device, because the external dimensions of different devices are different, the positions of the testing parts of different devices are different, so that when different devices are tested, different devices need to be matched with corresponding testing clamps, and the situation that the testing cannot be carried out or errors exist in the testing because of positioning problems is avoided.

In order to solve the above problems, the present application provides an SMD automatic test fixture.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background art, the utility model provides an SMD automatic test fixture for solving the problem that the test fixture in the prior art needs to be replaced with a corresponding test fixture when testing the test devices with different sizes, in the utility model, a set curved clamping seat can fix the test devices through a curved cushion block, when the test part position of the replaced test device is changed, a rotating rod can be driven to rotate through a set rotating handle, the rotating rod can drive a gear to rotate when rotating, the gear can drive the curved clamping seat to move through the cooperation between the gear and a gear strip, thereby the test devices can be moved to the position where the test can be carried out, when the test devices with the sizes within the specified range can be replaced through the mode, the test devices can be tested without disassembling and replacing the test fixture, the operation mode is simple, convenient and convenient, and convenient to use.

(II) technical scheme

In order to solve the problem, the utility model provides a SMD automatic test fixture, including supporting the base, support base top outer wall center department and be equipped with the test and remove the seat, the test removes a both sides end fixedly connected with and removes the rail seat, removes rail seat top fixedly connected with and removes the backup pad, the test is removed the seat and is removed the seat including removing the clamp splice, removes the clamp splice top portion and is equipped with bent type groove, and bent type tank bottom end wall fixedly connected with installation piece is fixedly connected with gear rack on the installation piece, and bent type inslot is equipped with test fixture, and test fixture includes bent type holder, bent type holder bottom outer wall fixedly connected with spacing frame, and spacing frame center department is equipped with the gear, and the gear can use with the gear rack cooperation, and bent type holder top is equipped with test device.

Preferably, gear center department is through the mode fixedly connected with bull stick that cup joints, bull stick one end and spacing frame right side end inner wall fixed connection, and the other end passes removal clamp splice left side end outer wall and fixedly connected with rotation handle.

Preferably, the outer wall of the left end of the movable clamping block is provided with a strip-shaped movable groove at the joint with the rotating rod, and the rotating rod can move in the strip-shaped movable groove.

Preferably, the bottom end of the limiting frame is fixed with a sliding block at the joint with the outer wall of the top end of the mounting block, the mounting block is provided with a sliding groove at the joint with the sliding block, and the sliding block can be matched with the sliding groove for use.

Preferably, the inner wall of the curved clamping seat is provided with a curved cushion block, the curved cushion block can be matched with a test device for use, the outer wall of the side end of the curved cushion block is fixedly connected with the inner wall of the side end of the curved clamping seat through a spring group a, and the outer wall of the bottom end of the curved cushion block is fixedly connected with the inner wall of the bottom end of the curved clamping seat through a spring group b.

Preferably, the number of the curved cushion blocks is four, and a buffering anti-skid cushion layer is arranged on the outer wall of the top end of the curved cushion block at the joint of the curved cushion block and the testing device.

Preferably, the movable supporting plate is close to one end of the test movable base and is fixedly connected with an air cylinder, the air cylinder is fixedly connected with an air control telescopic rod, and the other end of the air control telescopic rod is fixedly connected with a testing device.

Preferably, testing arrangement includes solid fixed splint, and solid fixed splint presss from both sides right side end outer wall fixedly connected with buffering clamp splice, and buffering clamp splice center department is fixed with test probe, and solid fixed splint left side end outer wall fixedly connected with mount pad, test probe and mount pad fixed connection, mount pad left side end fixedly connected with installation interface are equipped with the data line through the mode of pegging graft on the installation interface.

The above technical scheme of the utility model has following profitable technological effect:

1. the utility model discloses in, the curved type cushion of curved type grip slipper accessible of setting is fixing the test device, when its test part position of the test device of change changes, the rotatory handle that the accessible set up drives the bull stick and rotates, the bull stick accessible drives the gear when rotating and rotates, the gear can drive curved type grip slipper through and the cooperation between the gear strip and move, thereby can remove the test device to the position department that can test, can be when changing the test device of regulation within range size through above-mentioned mode, need not dismantle the change with test fixture and can test the test device, the operation is simple and convenient, and convenient use.

2. The utility model discloses in, the bent type cushion that sets up can be followed test device bottom to it and fixed, and the buffering clamp splice that sets up on solid fixed splint can be followed test device both sides end to it and fixed, and the test probe that sets up can follow solid fixed splint and keep horizontal migration under the effect of cylinder with gas accuse telescopic link to can prevent that the test probe from taking place the skew when removing, can guarantee the stability of test device when testing through the aforesaid, prevent that the deviation from appearing in the test data.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of SMD automatic test fixture orthographic view direction.

Fig. 2 is the utility model provides a test removes the seat and looks sideways at the structural schematic diagram of direction in SMD automatic test fixture.

Fig. 3 is the utility model provides a test in SMD automatic test fixture removes section structure schematic diagram of seat orthographic view direction.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 3.

Fig. 6 is the utility model provides a structural schematic diagram of testing arrangement overlooking direction in SMD automatic testing tool.

Reference numerals: 1. a support base; 2. moving the rail seat; 3. moving the support plate; 4. a cylinder; 4-1, an air control telescopic rod; 5. testing the movable seat; 5-1, moving the clamping block; 5-2, a curved groove; 5-3, mounting blocks; 5-3-1, a chute; 5-4, a gear rack; 5-5, gears; 6. a testing device; 6-1, fixing the clamping block; 6-2, buffering the clamping block; 6-3, mounting seats; 6-4, testing a probe; 6-5, installing an interface; 6-6, data line; 7. testing the clamp; 7-1, a curved clamping seat; 7-2, testing the device; 7-3, a limit frame; 7-4, a sliding block; 7-5, a curved cushion block; 7-6, and a spring group a; 7-7, and a spring group b; 7-8, a strip-shaped moving groove; 7-9, a rotating rod; 7-10, rotating the handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in FIGS. 1-5, the utility model provides an SMD automatic testing jig, which comprises a supporting base 1, a testing moving base 5 is arranged at the center of the outer wall of the top end of the supporting base 1, moving rail bases 2 are fixedly connected with the two sides of the testing moving base 5, a moving support plate 3 is fixedly connected with the top end of the moving rail base 2, and the moving rail base 2 and the moving support plate 3 are arranged to move the position of a cylinder 4 in order to test the device with more sizes, the testing moving base 5 comprises a moving clamping block 5-1, a curved groove 5-2 is arranged at the top end part of the moving clamping block 5-1, a mounting block 5-3 is fixedly connected with the bottom end wall of the curved groove 5-2, a gear strip 5-4 is fixedly connected on the mounting block 5-3, and a testing clamp 7 is arranged in the curved groove 5-2, the test fixture 7 comprises a curved clamping seat 7-1, a limiting frame 7-3 is fixedly connected to the outer wall of the bottom end of the curved clamping seat 7-1, a gear 5-5 is arranged at the center of the limiting frame 7-3, the gear 5-5 can be matched with a gear strip 5-4 for use, a test device 7-2 is arranged at the top end of the curved clamping seat 7-1, a rotating rod 7-9 is fixedly connected to the center of the gear 5-5 in a sleeving manner, one end of the rotating rod 7-9 is fixedly connected with the inner wall of the right side end of the limiting frame 7-3, the other end of the rotating rod passes through the outer wall of the left side end of the movable clamping block 5-1 and is fixedly connected with a rotating handle 7-10, a worker can rotate the rotating rod 7-9 through the rotating handle 7-10, and the rotating rod 7-9 can drive the gear 5-5 to rotate on the gear strip 5-4 when rotating, the curved clamping seat 7-1 can move through the cooperation of the gear 5-5 and the gear bar 5-4, the outer wall of the left side end of the movable clamping block 5-1 is provided with a strip-shaped moving groove 7-8 at the joint with the rotating rod 7-9, the rotating rod 7-9 can move in the strip-shaped moving groove 7-8, the bottom end of the limiting frame 7-3 is fixed with a slide block 7-4 at the joint with the outer wall of the top end of the mounting block 5-3, the mounting block 5-3 is provided with a slide groove 5-3-1 at the joint with the slide block 7-4, the slide block 7-4 can be used in cooperation with the slide groove 5-3-1, the slide block 7-4 and the slide groove 5-3-1 are arranged to fix the limiting frame 7-3 under the condition of not influencing the movement of the limiting frame 7-3, the inner wall of the curved clamping seat 7-1 is provided with a curved cushion block 7-5, the curved cushion block 7-5 can be matched with a testing device 7-2 for use, the outer wall of the side end of the curved cushion block 7-5 is fixedly connected with the inner wall of the side end of the curved clamping seat 7-1 through a spring group a7-6, the outer wall of the bottom end of the curved cushion block is fixedly connected with the inner wall of the bottom end of the curved clamping seat 7-1 through a spring group b7-7, the number of the curved cushion blocks 7-5 is four, the outer wall of the top end of the curved cushion block 7-5 is provided with a buffering anti-skid cushion layer at the joint with the testing device 7-2, the curved cushion block 7-5 is arranged for fixing from the bottom end of the testing device 7-2 and preventing the testing device 7-2 from shaking during testing to influence the testing precision, and the buffering anti-skid cushion layer is arranged for protecting the testing device 7-2, and secondly, in order to increase the friction force between the curved cushion block 7-5 and the testing device 7-2 and prevent the sliding between the curved cushion block and the testing device.

Referring to fig. 1 and 6, one end of the movable supporting plate 3 close to the testing movable base 5 is fixedly connected with an air cylinder 4, the air control telescopic rod 4-1 is fixedly connected to the air cylinder 4, the other end of the air control telescopic rod 4-1 is fixedly connected with a testing device 6, the testing device 6 comprises a fixed clamping plate 6-1, the outer wall of the right side end of the fixed clamping plate 6-1 is fixedly connected with a buffering clamping block 6-2, a testing probe 6-4 is fixed at the center of the buffering clamping block 6-2, the fixed clamping plate 6-1 can fix the outer walls of the two sides of the testing device 7-2 through the buffering clamping block 6-2, the testing probe 6-4 can test the testing device 7-2, and the testing result can be transmitted to a computer end through a data line 6-6 for a human to check, the outer wall of the left side end of the fixed clamping plate 6-1 is fixedly connected with an installation seat 6-3, a test probe 6-4 is fixedly connected with the installation seat 6-3, the left side end of the installation seat 6-3 is fixedly connected with an installation interface 6-5, and a data line 6-6 is arranged on the installation interface 6-5 in an inserting mode.

The utility model discloses in, at first, the curved type cushion 7-5 on curved type grip slipper 7-1 is placed to the testing device 7-2 that will await measuring, curved type cushion 7-5 that sets up is fixed for following testing device 7-2 bottom, prevent that testing device 7-2 from taking place to rock and influence the measuring accuracy when the test, the buffering skid-proof cushion layer that sets up is firstly for protecting testing device 7-2, secondly for the frictional force between increase curved type cushion 7-5 and the testing device 7-2, prevent to appear gliding condition between it, then move testing device 7-2's position according to testing probe 6-4, the mobile mode is: a worker can rotate a rotating rod 7-9 through a rotating handle 7-10, the rotating rod 7-9 can drive a gear 5-5 to rotate on a gear strip 5-4 when rotating, a curved clamping seat 7-1 can move through the cooperation of the gear 5-5 and the gear strip 5-4, the curved clamping seat 7-1 can drive a testing device 7-2 to move when moving, so that the testing part of the testing device 7-2 is aligned with the position of a testing probe 6-4, an air cylinder 4 is started after adjustment is completed, the air cylinder 4 can drive a testing device 6 to move towards the testing device 7-2 through an air control telescopic rod 4-1, and the outer walls of two side ends of the testing device 7-2 can be fixed through a buffer clamping block 6-2 by a fixed clamping plate 6-1, the arranged test probe 6-4 can test the test device 7-2, the test result can be transmitted to a computer end through the data line 6-6 to be checked by personnel, and the test device can be replaced after the test is finished.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An SMD automatic test fixture comprises a supporting base (1), a test moving seat (5) is arranged at the center of the outer wall of the top end of the supporting base (1), moving rail seats (2) are fixedly connected to two sides of the test moving seat (5), a moving support plate (3) is fixedly connected to the top end of each moving rail seat (2), the SMD automatic test fixture is characterized in that the test moving seat (5) comprises a moving clamping block (5-1), a curved groove (5-2) is arranged at the top end of each moving clamping block (5-1), a mounting block (5-3) is fixedly connected to the bottom end wall of each curved groove (5-2), a gear strip (5-4) is fixedly connected to each mounting block (5-3), a test fixture (7) is arranged in each curved groove (5-2), the test fixture (7) comprises a curved clamping seat (7-1), and a limiting frame (7-3) is fixedly connected to the bottom end of each curved clamping seat (7-1), the gear (5-5) is arranged at the center of the limiting frame (7-3), the gear (5-5) can be matched with the gear strip (5-4) for use, and the testing device (7-2) is arranged at the top end of the curved clamping seat (7-1).

2. The SMD automatic testing jig according to claim 1, characterized in that a rotating rod (7-9) is fixedly connected to the center of said gear (5-5) by means of sleeving, one end of the rotating rod (7-9) is fixedly connected to the inner wall of the right side end of the limiting frame (7-3), and the other end of the rotating rod passes through the outer wall of the left side end of the movable clamping block (5-1) and is fixedly connected to a rotating handle (7-10).

3. The SMD automatic test fixture according to claim 2, characterized in that said movable clamping block (5-1) has a strip-shaped moving groove (7-8) at the connection point of the left side outer wall and the rotating rod (7-9), and the rotating rod (7-9) can move in the strip-shaped moving groove (7-8).

4. The SMD automatic testing jig according to claim 1, characterized in that a sliding block (7-4) is fixed at the joint of the bottom end of the limiting frame (7-3) and the top outer wall of the mounting block (5-3), a sliding groove (5-3-1) is arranged at the joint of the mounting block (5-3) and the sliding block (7-4), and the sliding block (7-4) can be matched with the sliding groove (5-3-1) for use.

5. The SMD automatic testing jig according to claim 1, characterized in that the inner wall of said curved clamping seat (7-1) is provided with a curved cushion block (7-5), the curved cushion block (7-5) can be used with the testing device (7-2), the outer wall of the side end of the curved cushion block (7-5) is fixedly connected with the inner wall of the side end of the curved clamping seat (7-1) through a spring group a (7-6), and the outer wall of the bottom end thereof is fixedly connected with the inner wall of the bottom end of the curved clamping seat (7-1) through a spring group b (7-7).

6. The SMD automatic testing jig according to claim 5, characterized in that said curved cushion blocks (7-5) are provided in four numbers, and the top outer wall of the curved cushion block (7-5) is provided with a buffer anti-slip cushion layer at the connection part with the testing device (7-2).

7. The SMD automatic testing jig according to claim 1, characterized in that one end of the movable supporting plate (3) close to the testing movable base (5) is fixedly connected with a cylinder (4), the cylinder (4) is fixedly connected with a pneumatic control telescopic rod (4-1), and the other end of the pneumatic control telescopic rod (4-1) is fixedly connected with a testing device (6).

8. The SMD automatic testing jig according to claim 7, characterized in that said testing device (6) comprises a fixing clamp plate (6-1), a buffering clamp block (6-2) is fixedly connected to the outer wall of the right side end of the fixing clamp plate (6-1), a testing probe (6-4) is fixed at the center of the buffering clamp block (6-2), a mounting seat (6-3) is fixedly connected to the outer wall of the left side end of the fixing clamp plate (6-1), the testing probe (6-4) is fixedly connected to the mounting seat (6-3), a mounting interface (6-5) is fixedly connected to the left side end of the mounting seat (6-3), and a data line (6-6) is arranged on the mounting interface (6-5) in a plugging manner.