CN217332724U

CN217332724U - ICT test fixture

Info

Publication number: CN217332724U
Application number: CN202220463914.1U
Authority: CN
Inventors: 文乐佩; 芦启; 李堰斌
Original assignee: Wuhan Chuguanjie Automotive Science and Technology Ltd
Current assignee: Wuhan Chuguanjie Automotive Science and Technology Ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-30
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a ICT test fixture, comprising a base plate, one side outer wall fixedly connected with L template of bottom plate, the top inner wall fixedly connected with lift cylinder of L template, the piston rod one end fixedly connected with tool body of lift cylinder, be provided with under the tool body and place the board, the below of placing the board is provided with canceling release mechanical system, one side outer wall of placing the board is rotated through the bearing and is connected with same dwang, the dwang is the symmetric distribution, the one end fixedly connected with rotating sleeve of dwang, a plurality of rubber pole of outer wall fixedly connected with of dwang, the one end fixedly connected with clamping ball of rubber pole. The utility model discloses a set up and press from both sides tight ball, rotatory cover that rotates makes through dwang and rubber pole and presss from both sides tight ball and carry on spacingly to the both sides of making the board to fix the position of pressing from both sides tight ball through slot and inserted block, lead to the skew of making the board when avoiding testing needle and components and parts to contact.

Description

ICT test fixture

Technical Field

The utility model relates to a test fixture technical field especially relates to a ICT test fixture.

Background

An ICT test fixture, an abbreviation of integrated circuit test instrument fixture, is an on-line test fixture, which is a standard test equipment for testing electrical performance and electrical connection of on-line components to check production defects and poor components.

However, in the prior art, when the existing ICT test fixture detects the components on the fabricated board, the test pins need to be in contact with the components, the fabricated board is prone to offset in the contact process, and then the test pins and the components are prone to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ICT test fixture to solve the problem that proposes among the above-mentioned background art.

In order to realize the purpose, the utility model adopts the following technical scheme:

an ICT test fixture comprises a bottom plate, wherein an L-shaped plate is fixedly connected to the outer wall of one side of the bottom plate, a lifting cylinder is fixedly connected to the inner wall of the top of the L-shaped plate, a fixture body is fixedly connected to one end of a piston rod of the lifting cylinder, a placing plate is arranged under the fixture body, a reset mechanism is arranged under the placing plate, rotating rods are rotatably mounted on the two inner sides of the placing plate and are symmetrically distributed, a rotating sleeve is fixedly connected to one end of each rotating rod, a plurality of rubber rods are fixedly connected to the outer wall of each rotating rod, a clamping ball is fixedly connected to one end of each rubber rod, an inserting block is fixedly connected to the outer wall of each rotating sleeve, a fixing block is fixedly connected to the outer wall of one side of the placing plate, a first hole is formed in the outer wall of one side of each fixing block, and a threaded rod is connected to the inner wall of the first hole through threads, one end of the threaded rod is rotatably connected with a moving block through a bearing, a slot is formed in the outer wall of one side of the moving block and is matched with the inserting block, a limiting rod is fixedly connected to the outer wall of the other side of the moving block, the limiting rods are symmetrically distributed, and the limiting rods are connected with the fixing block in an inserted mode.

Preferably, the reset mechanism comprises a rectangular groove, the rectangular groove is matched with the placing plate, a second hole is formed in the inner wall of the bottom of the rectangular groove, the number of the second holes is five, a fixed rod is inserted into the inner wall of the second hole, the fixed rod is fixedly connected with the placing plate, a reset spring is fixedly connected to the outer wall of the bottom of the placing plate, one end of the reset spring is fixedly connected with the inner wall of the bottom of the rectangular groove, and the fixed rod is arranged at the central position of the reset spring.

Preferably, the other end of the threaded rod is fixedly connected with a rotating block, the rotating block is in a cross shape, and the rotating block is not in contact with the limiting rod.

Preferably, the outer wall of the top of the placing plate is provided with a plurality of positioning holes, and the positioning holes are matched with the jig body.

Preferably, the outer wall fixedly connected with torsional spring of dwang, the torsional spring is the symmetric distribution, the one end of torsional spring with place board fixed connection.

Preferably, the bottom outer wall four corners department of bottom plate all is provided with the support callus on the sole, the material that supports the callus on the sole is rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up and press from both sides tight ball, rotatory rotating sleeve makes through dwang and rubber pole that the tight ball of clamp carry on spacingly to the both sides of making the board, and fix the position of the tight ball of clamp through slot and inserted block, lead to making the skew of board when avoiding testing the needle and contacting with components and parts;

2. the utility model discloses a set up the torsional spring, utilize the torsional spring, after the test is accomplished, rotate the threaded rod and make inserted block and slot remove the contact, utilize the elasticity of torsional spring, the drive presss from both sides tight ball and leaves mutually automatically and making mutually, and then be convenient for will make the board fast and take out.

Drawings

Fig. 1 is a schematic view of the overall structure proposed by the present invention;

fig. 2 is an enlarged schematic view of a point a provided by the present invention;

fig. 3 is an enlarged schematic view of the position B of the present invention;

fig. 4 is a schematic structural view of the return spring according to the present invention.

In the figure: 1. a base plate; 2. a jig body; 3. a lifting cylinder; 4. an L-shaped plate; 5. placing the plate; 6. supporting the foot pad; 7. a rectangular groove; 8. positioning holes; 9. a torsion spring; 10. a rubber rod; 11. clamping the ball; 12. rotating the rod; 13. a fixed block; 14. rotating the block; 15. a limiting rod; 16. a threaded rod; 17. a moving block; 18. a slot; 19. inserting a block; 20. rotating the sleeve; 21. a return spring; 22. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, an ICT testing jig comprises a bottom plate 1, an L-shaped plate 4 is fixedly connected to an outer wall of one side of the bottom plate 1, a lifting cylinder 3 is fixedly connected to an inner wall of a top portion of the L-shaped plate 4, a jig body 2 is fixedly connected to one end of a piston rod of the lifting cylinder 3, a placing plate 5 is arranged under the jig body 2, a reset mechanism is arranged under the placing plate 5, two inner sides of the placing plate 5 are rotatably provided with rotating rods 12, the rotating rods 12 are symmetrically distributed, one end of the rotating rod 12 is fixedly connected with a rotating sleeve 20, an outer wall of the rotating rod 12 is fixedly connected with a plurality of rubber rods 10, one end of each rubber rod 10 is fixedly connected with a clamping ball 11, an outer wall of the rotating sleeve 20 is fixedly connected with an insert block 19, an outer wall of one side of the placing plate 5 is fixedly connected with a fixed block 13, an outer wall of one side of the fixed block 13 is provided with a hole one, an inner wall of the hole one is connected with a threaded rod 16 through a thread, the one end of threaded rod 16 is rotated through the bearing and is connected with movable block 17, one side outer wall of movable block 17 is provided with slot 18,

slot

18 and 19 looks adaptations of inserted block, another side outer wall fixedly connected with gag lever post 15 of movable block 17, gag lever post 15 is the symmetric distribution, gag lever post 15 is pegged graft mutually with fixed block 13, rotatory cover 20 that rotates, it is spacing to make the both sides of pressing from both sides tight ball 11 to make the board through dwang 12 and rubber pole 10, and fix the position of pressing from both sides tight ball 11 through

slot

18 and 19 pairs of inserted blocks, lead to making the skew of board when avoiding test needle and components and parts to contact.

Further, canceling release mechanical system includes rectangular channel 7, rectangular channel 7 with place 5 looks adaptations of board, the bottom inner wall of rectangular channel 7 is seted up porose two, the quantity of hole two is five, the inner wall of hole two is pegged graft and is had dead lever 22, dead lever 22 with place 5 fixed connection of board, place the bottom outer wall fixedly connected with reset spring 21 of board 5, reset spring 21's one end and the bottom inner wall fixed connection of rectangular channel 7, dead lever 22 sets up the central point at reset spring 21, utilize canceling release mechanical system to drive and place 5 resets.

Furthermore, the other end of the threaded rod 16 is fixedly connected with a rotating block 14, the rotating block 14 is in a cross shape, the rotating block 14 is not in contact with the limiting rod 15, and the threaded rod 16 can be conveniently rotated by workers through the cross-shaped rotating block 14.

Further, the top outer wall of placing board 5 is provided with a plurality of locating hole 8, and locating

hole

8 and 2 looks adaptations of tool body utilize locating hole 8 to be convenient for put the suitable position on placing board 5 with the system board fast, guarantee that components and parts are corresponding with the position of test needle.

Further, the outer wall fixedly connected with torsional spring 9 of dwang 12, torsional spring 9 are the symmetric distribution, the one end of torsional spring 9 with place 5 fixed connection of board, the test is accomplished and is utilized torsional spring 9 to make and press from both sides tight ball 11 and make the board and remove the contact, and then be convenient for take out the board of making fast.

Further, bottom outer wall four corners department of bottom plate 1 all is provided with support callus on the sole 6, and the material that supports callus on the sole 6 is rubber, utilizes support callus on the sole 6 to play the supporting effect to bottom plate 1.

The utility model discloses a theory of operation is:

placing the manufactured plate on a placing plate 5, rotating a rotating sleeve 20, wherein the rotating sleeve 20 drives a rotating rod 12 to rotate, two sides of the manufactured plate are fixed through a rubber rod 10 and a clamping ball 11, a rotating block 14 is rotated in the positive direction, a moving block 17 is driven to move towards the rotating sleeve 20 through a threaded rod 16, so that an inserting block 19 enters a slot 18, the rotating rod 12 is limited, a lifting cylinder 3 is started, the lifting cylinder 3 is utilized to drive a jig body 2 to descend, components on the manufactured plate below are tested, the manufactured plate is prevented from deviating when a testing pin is in contact with the components, after the testing is finished, the lifting cylinder 3 is utilized to drive the jig body 2 to ascend, the placing plate 5 moves above a rectangular slot 7 under the action of a reset mechanism, the rotating block 14 is rotated reversely, so that the inserting block 19 leaves the inner wall of the slot 18, and the clamping ball 11 is released from being in contact with the manufactured plate under the action of a torsion spring 9, taking out the prepared plate.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An ICT test fixture comprises a bottom plate (1) and is characterized in that an L-shaped plate (4) is fixedly connected to the outer wall of one side of the bottom plate (1), a lifting cylinder (3) is fixedly connected to the inner wall of the top of the L-shaped plate (4), a fixture body (2) is fixedly connected to one end of a piston rod of the lifting cylinder (3), a placing plate (5) is arranged under the fixture body (2), a reset mechanism is arranged under the placing plate (5), rotating rods (12) are rotatably mounted on two inner sides of the placing plate (5), the rotating rods (12) are symmetrically distributed, a rotating sleeve (20) is fixedly connected to one end of each rotating rod (12), a plurality of rubber rods (10) are fixedly connected to the outer wall of each rotating rod (12), a clamping ball (11) is fixedly connected to one end of each rubber rod (10), and an insertion block (19) is fixedly connected to the outer wall of each rotating sleeve (20), place one side outer wall fixedly connected with fixed block (13) of board (5), porose one side outer wall of fixed block (13) is seted up, the inner wall of hole one has threaded rod (16) through threaded connection, the one end of threaded rod (16) is rotated through the bearing and is connected with movable block (17), one side outer wall of movable block (17) is provided with slot (18), slot (18) and inserted block (19) looks adaptation, another side outer wall fixedly connected with gag lever post (15) of movable block (17), gag lever post (15) are the symmetric distribution, gag lever post (15) are pegged graft with fixed block (13) mutually.

2. The ICT test fixture according to claim 1, wherein the reset mechanism comprises a rectangular groove (7), the rectangular groove (7) is matched with the placing plate (5), the inner wall of the bottom of the rectangular groove (7) is provided with two holes, the number of the two holes is five, the inner wall of the two holes is inserted with a fixed rod (22), the fixed rod (22) is fixedly connected with the placing plate (5), the outer wall of the bottom of the placing plate (5) is fixedly connected with a reset spring (21), one end of the reset spring (21) is fixedly connected with the inner wall of the bottom of the rectangular groove (7), and the fixed rod (22) is arranged in the center of the reset spring (21).

3. The ICT test fixture according to claim 1, characterized in that the other end of the threaded rod (16) is fixedly connected with a turning block (14), the turning block (14) is cross-shaped, and the turning block (14) is not in contact with the limiting rod (15).

4. The ICT test fixture according to claim 1, characterized in that the top outer wall of the placing plate (5) is provided with a plurality of positioning holes (8), and the positioning holes (8) are adapted to the fixture body (2).

5. The ICT test fixture of claim 1, characterized in that the outer wall of the rotating rod (12) is fixedly connected with torsion springs (9), the torsion springs (9) are symmetrically distributed, and one ends of the torsion springs (9) are fixedly connected with the placing plate (5).

6. The ICT test fixture according to claim 1, characterized in that supporting foot pads (6) are disposed at four corners of the outer wall of the bottom plate (1), and the supporting foot pads (6) are made of rubber.