CN213455934U - Crimping mechanism and testing arrangement - Google Patents

Abstract

The utility model relates to a chip test technical field discloses a crimping mechanism and testing arrangement. This crimping mechanism is including installation component, middle crimping portion and side pressure crimping portion, and middle crimping portion is including middle pressure head subassembly and first pressure sensor, and middle pressure head subassembly floats to be set up on installation component and can with treat the heart crimping of crimping piece, and first pressure sensor sets up on installation component and is used for detecting the crimping power of middle pressure head subassembly, and side pressure crimping portion floats to set up on installation component to be located the both sides of middle pressure head subassembly, be used for treating the edge portion crimping of crimping piece. The utility model provides a crimping mechanism detects the crimping power of middle pressure head subassembly through setting up first pressure sensor, can treat the crimping power that the in-process real-time supervision core of the core of crimping piece received at middle pressure head subassembly crimping, when the crimping power that the core received is great, stops its crimping immediately, can prevent effectively that the core from being crushed, guarantees to treat the quality of crimping piece.

Description

Crimping mechanism and testing arrangement

Technical Field

The utility model relates to a chip test technical field especially relates to a crimping mechanism and testing arrangement.

Background

Various electronic component chips, such as integrated circuits, micro-electro-mechanical systems, etc., require testing before the chips are assembled into packages to detect whether the chips are functioning properly. When testing the chip, the chip is first pressed on the tester by the pressing mechanism so that the chip is electrically connected with the tester.

The crimping mechanism in the prior art generally only comprises an integral pressure head, when the pressure head crimps the chip, the crimping force of the pressure head directly acts on the whole surface of the chip, but the core of the chip is a weaker part on the whole surface, if the same large crimping force is applied to the core and the edge of the chip, the core of the chip is easily damaged, and the test cost and the reject ratio of the chip are increased.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a crimping mechanism and testing arrangement, the crimping power that the core that can the real time monitoring chip received prevents that the chip from damaging, guarantees the chip quality.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a crimping mechanism comprising:

mounting the component;

the middle crimping part comprises a middle pressure head assembly and a first pressure sensor, the middle pressure head assembly is arranged on the installation assembly in a floating mode and can be crimped with a core part of a piece to be crimped, and the first pressure sensor is arranged on the installation assembly and is used for detecting the crimping force of the middle pressure head assembly;

and the side pressure connection parts are arranged on the mounting assembly in a floating manner, are positioned on two sides of the middle pressure head assembly and are used for crimping the edge parts of the pieces to be crimped.

As a preferable aspect of the crimping mechanism, the crimping mechanism further includes a total pressure detection unit, and the total pressure detection unit includes:

a connecting plate;

and two ends of the second pressure sensor are respectively connected with the connecting plate and the mounting assembly.

As a preferable aspect of the crimping mechanism, one of the connecting plate and the mounting assembly is provided with a guide slide rail extending in a vertical direction, and the other of the connecting plate and the mounting assembly is provided with a guide slider slidably fitted to the guide slide rail.

As a preferable aspect of the crimping mechanism, the intermediate ram assembly includes:

the middle pressure head is arranged on the mounting assembly in a sliding mode, a gap exists between the middle pressure head and the first pressure sensor, and the height of the gap is adjustable;

the middle buffer piece is arranged between the mounting assembly and the middle pressure head and used for buffering the middle pressure head.

As a preferable scheme of the crimping mechanism, a mounting groove and a through hole which are communicated with each other are arranged on the mounting assembly, and the first pressure sensor is arranged in the mounting groove;

the middle pressure head comprises a pressure head body and a limiting block, wherein the pressure head body is connected with the limiting block, the pressure head body is arranged in the through hole in a sliding mode, and the limiting block is arranged at the top of the pressure head body and abuts against the bottom of the mounting groove.

As a preferable scheme of the crimping mechanism, the through hole is a stepped hole, and a large-diameter end of the stepped hole is located below a small-diameter end of the stepped hole;

the middle pressure head further comprises a limiting ring, the limiting ring is arranged on one side of the limiting block, which is far away from the pressure head body, the limiting ring and the middle buffer piece are arranged in the large-diameter end, and two ends of the middle buffer piece are respectively abutted to the limiting ring and the step surface of the stepped hole.

As a preferable aspect of the crimping mechanism, the mounting assembly includes a first mounting portion and a second mounting portion that are connected, and the side crimping portion includes:

the side pressing heads are arranged on two sides of the middle pressing part and are arranged on the second installation part in a sliding mode;

and the side buffering piece is arranged between the side pressure head and the first installation part.

As a preferable aspect of the crimping mechanism, the first mounting portion includes:

the cross section of the mounting block is in a U-shaped structure;

the middle plate is arranged above the mounting block.

As a preferable mode of the crimping mechanism, the mounting block is detachably connected to the intermediate plate.

In order to achieve the above object, the present invention further provides a testing device, which comprises a driving mechanism and a pressing mechanism according to any one of the above schemes, wherein the driving mechanism is used for driving the pressing mechanism to ascend and descend.

The utility model has the advantages that:

the utility model provides a crimping mechanism, through mutually supporting of middle crimping portion and side crimping portion, can realize treating the crimping process of crimping piece, through with middle crimping portion and side crimping portion all float and set up on the installation component, can prevent that middle crimping portion and side crimping portion from treating crimping piece when initial crimping, middle crimping portion and side crimping portion with treat that crimping piece takes place rigidity collision and cause the damage of treating crimping piece, the security is higher. The crimping force of the middle pressure head assembly is detected by the first pressure sensor, the crimping force received by the heart can be monitored in real time in the process of crimping the heart of the piece to be crimped by the middle pressure head assembly, when the crimping force received by the heart is large, the crimping is stopped immediately, the heart can be effectively prevented from being crushed, and the quality of the piece to be crimped is guaranteed.

The utility model also provides a testing arrangement, including above-mentioned crimping mechanism, crimping mechanism can treat the crimping piece and carry out effectual crimping, can prevent that the core of treating the crimping piece from being crushed by pressure, and the security is higher, and can guarantee product quality.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a member to be crimped which is crimped by a crimping mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a crimping mechanism provided in an embodiment of the present invention;

fig. 3 is a cross-sectional view of a crimping mechanism provided in an embodiment of the present invention;

fig. 4 is a partial enlarged view of fig. 3 at a.

In the figure:

100-a member to be crimped; 101-core; 102-an edge portion;

1-total pressure detection assembly; 11-a connecting plate; 111-a guide rail; 12-a second pressure sensor;

2-mounting the assembly; 21-a first mounting portion; 211-mounting blocks; 2111-mounting grooves; 212-a middle plate; 2121-guide slide block; 22-a second mounting portion; 221-a third aperture; 23-a through hole; 231-a first hole; 232-a second aperture;

3-intermediate crimping part; 31-an intermediate ram assembly; 311-intermediate ram; 3111-indenter body; 3112-a stopper; 3113-a stop collar; 312-intermediate buffer; 32-a first pressure sensor; 33-a stop block;

4-side compression joint; 41-side indenter; 42-side cushion;

5-quick release component.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a detection device, which is mainly used for detecting a to-be-crimped piece 100 shown in fig. 1, and comprises a bearing mechanism, a crimping mechanism, a driving mechanism and a detection mechanism, wherein the bearing mechanism is used for bearing the to-be-crimped piece 100, the driving mechanism can drive the crimping mechanism to move downwards so that the crimping mechanism crimps the to-be-crimped piece 100 on a PCB board of the bearing mechanism, the to-be-crimped piece 100 is electrically connected with the PCB board, and the detection mechanism is used for detecting the to-be-crimped piece 100.

As shown in fig. 1, the member to be crimped 100 includes a core 101 and two edge portions 102, the two edge portions 102 are respectively disposed on two sides of the core 101, and a crimping mechanism in the prior art generally employs one pressing head to crimp the member to be crimped 100, but the core 101 is relatively weak, and if the core 101 and the edge portions 102 are simultaneously pressed by one pressing head, the core 101 is easily damaged. In the present embodiment, the member to be crimped 100 mainly refers to a chip, and of course, in other embodiments, the member to be crimped 100 may also be a product in which the core portion 101 and the edge portion 102 cannot be crimped at the same time.

In order to solve the above problem, as shown in fig. 2 to 3, the present embodiment further provides a crimping mechanism, which includes a mounting assembly 2, an intermediate crimping portion 3 and side crimping portions 4, wherein the intermediate crimping portion 3 includes an intermediate pressure head assembly 31 and a first pressure sensor 32, the intermediate pressure head assembly 31 is floatingly disposed on the mounting assembly 2 and can be crimped with the core 101 of the to-be-crimped member 100, the first pressure sensor 32 is disposed on the mounting assembly 2 and is used for detecting the crimping force of the intermediate pressure head assembly 31, and the side crimping portions 4 are floatingly disposed on the mounting assembly 2 and are located at both sides of the intermediate pressure head assembly 31 and are used for crimping the edge portions 102 of the to-be-crimped member 100.

The crimping mechanism provided by the embodiment can realize the crimping process of the piece to be crimped 100 by the mutual matching of the intermediate crimping part 3 and the side crimping part 4, and can prevent the intermediate crimping part 3 and the side crimping part 4 from generating rigid collision with the piece to be crimped 100 to cause the damage of the piece to be crimped 100 when the intermediate crimping part 3 and the side crimping part 4 start crimping the piece to be crimped 100 by floatingly arranging the intermediate crimping part 3 and the side crimping part 4 on the mounting assembly 2, so that the safety is high. The first pressure sensor 32 is arranged to detect the crimping force of the intermediate pressure head assembly 31, so that the crimping force applied to the core part 101 can be monitored in real time in the process that the intermediate pressure head assembly 31 is crimped to the core part 101 of the piece to be crimped 100, when the crimping force applied to the core part 101 is large, the crimping to the core part 101 is stopped immediately, the core part 101 can be effectively prevented from being crushed, and the quality of the piece to be crimped 100 is ensured.

In order to monitor the total pressure applied to the member to be crimped 100, as shown in fig. 2 and 3, the crimping mechanism further includes a total pressure detecting assembly 1, the total pressure detecting assembly 1 includes a connecting plate 11 and a second pressure sensor 12, the connecting plate 11 is slidably connected to the mounting assembly 2, and two ends of the second pressure sensor 12 are respectively connected to the connecting plate 11 and the mounting assembly 2. Wherein the connecting plate 11 is connected with the output end of the driving mechanism of the detection device, and the driving mechanism drives the installation component 2 to move downwards through the total pressure detection component 1 so as to drive the middle crimping part 3 and the side crimping part 4 to move downwards, thereby realizing the crimping of the piece to be crimped 100. The total pressure that waits to crimp piece 100 and receive is monitored through setting up second pressure sensor 12, when waiting to crimp piece 100 and receiving total pressure and reaching the default, wait to crimp piece 100 and accomplish the crimping, can begin to detect it, guarantee this detection device's detection efficiency and detection effect.

When the crimping mechanism crimps the member to be crimped 100, the mounting assembly 2 and the connecting plate 11 simultaneously press the second pressure sensor 12, which may cause deformation of the second pressure sensor 12, resulting in inaccurate total pressure force detected by the second pressure sensor 12. To solve this problem, in the present embodiment, as shown in fig. 1, one of the link plate 11 and the mount assembly 2 is provided with a guide rail 111 extending in the vertical direction, and the other of the link plate 11 and the mount assembly 2 is provided with a guide slider 2121, the guide slider 2121 being slidably fitted to the guide rail 111. Through the arrangement of the guide slider 2121 and the guide slide rail 111 which are in sliding fit with each other, guidance can be provided for relative sliding between the connecting plate 11 and the mounting assembly 2, and the direction of relative sliding between the connecting plate 11 and the mounting plate 2 is ensured to be always along the vertical direction, so that the crimping force detected by the second pressure sensor 12 is always along the vertical direction, and the accuracy of the detection result of the total pressure force received by the second pressure sensor 12 on the to-be-crimped piece 100 is ensured.

Referring to fig. 3, a specific structure of the intermediate pressure head assembly 31 is described, as shown in fig. 3, the intermediate pressure head assembly 31 includes an intermediate pressure head 311 and an intermediate buffer member 312, the intermediate pressure head 311 is slidably disposed on the mounting assembly 2, a gap exists between the intermediate pressure head 311 and the first pressure sensor 32, a height of the gap is adjustable, and the intermediate buffer member 312 is disposed between the mounting assembly 2 and the intermediate pressure head 311 and is used for buffering the intermediate pressure head 311. When the intermediate pressure head 311 is in pressure contact with the core 101 of the member to be pressure contacted 100, the intermediate buffer member 312 is compressed to provide buffer for the pressure contact process of the intermediate pressure head 311, so as to prevent the core 101 from being damaged due to the rigid collision between the intermediate pressure head 311 and the core 101. Preferably, the intermediate buffer 312 is a spring, which has a large elastic restoring force, a convenient material and a low manufacturing cost. The effect of providing a gap between the intermediate ram 311 and the first pressure sensor 32 is: when the crimping mechanism crimps the member to be crimped 100, the intermediate buffer member 312 is compressed first, and the member to be crimped 100 receives the buffer force of the intermediate buffer member 312, and the buffer force gradually increases from small to large as the pressing process continues. When the pressure is changed to a hard pressure after the intermediate ram 311 is brought into contact with the first pressure sensor 32, the first pressure sensor 32 starts to display a value to monitor the pressure applied to the core 101 of the member to be crimped 100 in real time, and the crimping force applied to the member to be crimped 100 can be monitored by the second pressure sensor 12 before the intermediate ram 311 is brought into contact with the first pressure sensor 32.

Specifically, as shown in fig. 3, the installation component 2 is provided with an installation groove 2111 and a through hole 23 which are communicated with each other, the first pressure sensor 32 is disposed in the installation groove 2111, the middle pressure head 311 includes a pressure head body 3111 and a limit block 3112 which are connected, the pressure head body 3111 is slidably disposed in the through hole 23, and the limit block 3112 is disposed at the top of the pressure head body 3111 and abuts against the bottom of the groove of the installation groove 2111. By providing the stopper 3112 on the indenter body 3111, which can abut against the groove bottom of the mounting groove 2111, the indenter body 3111 can be restricted from sliding relative to the mounting component 2 to a certain extent, and the indenter body 3111 can be slid in the through-hole 23 stably.

In order to facilitate the installation of the intermediate cushion member 312, as shown in fig. 3 and 4, the through hole 23 is a stepped hole, the large diameter end of the stepped hole is located below the small diameter end of the stepped hole, the intermediate indenter 311 further includes a limit ring 3113, the limit ring 3113 is disposed on one side of the indenter body 3111 away from the limit block 3112, the limit ring 3113 and the intermediate cushion member 312 are both disposed in the large diameter end, and two ends of the intermediate cushion member 312 are respectively abutted to the stepped surfaces of the limit ring 3113 and the stepped hole.

Specifically, the mounting assembly 2 includes a first mounting portion 21 and a second mounting portion 22, the second mounting portion 22 is disposed on the first mounting portion 21, the first mounting portion 21 is slidably connected to the total pressure detecting assembly 1, the mounting groove 2111 is disposed on the first mounting portion 21, the first pressure sensor 32 is disposed on an inner top portion of the mounting groove 2111, the first mounting portion 21 is further provided with a first hole 231, the first hole 231 is disposed below the mounting groove 2111 and communicated therewith, the second mounting portion 22 is provided with a second hole 232, the first hole 231 is communicated with the second hole 232, a diameter of the second hole 232 is larger than a diameter of the first hole 231, the first hole 231 and the second hole 232 form a stepped through hole 23, the buffer 3111 is sequentially inserted into the first hole 231 and the second hole 232 and can slide relative thereto, the intermediate buffer 311312 is received in the second hole 232 and sleeved on the pressure head 3111, and both ends of the intermediate cushion 312 abut against the stopper ring 3113 and the first mounting portion 21, respectively. By adopting the mode, the installation space can be saved, the volume of the crimping mechanism is reduced, and the stability of the crimping mechanism is improved.

In this embodiment, as shown in fig. 3, the first mounting portion 21 includes a mounting block 211 and a middle plate 212, the mounting block 211 has a U-shaped cross section, two side arms of the U-shaped cross section are connected to the middle plate 212, the middle plate 212 is slidably connected to the connecting plate 11, and the guide slider 2121 is disposed on the middle plate 212. The U-shaped groove of the U-shaped structure and the middle plate 212 are enclosed to form a mounting groove 2111, and the first pressure sensor 32 is disposed on one side of the middle plate 212 close to the mounting block 211. Wherein, the first hole 231 is disposed on the mounting block 211.

Preferably, a stopper 33 is further disposed at a bottom of the first pressure sensor 32, and in an initial state, there is a space between the stopper 33 and the stopper 3112, when the intermediate pressing head 311 starts to press against the core 101, the intermediate cushion 312 is compressed, and after the intermediate cushion 312 is compressed to a certain extent, the intermediate pressing head 311 starts to slide upward in a vertical direction with respect to the mounting assembly 2 until the stopper 3112 abuts against the stopper 33, and the first pressure sensor 32 can detect the pressing force of the intermediate pressing head 311.

For convenience of understanding the specific structure of the side compression joint 4, as shown in fig. 3, the side compression joint 4 includes two side indenters 41 and two side buffers 42, the two side indenters 41 are respectively located at two sides of the middle indenter 311, the two side indenters 41 are both slidably disposed on the second mounting portion 22, and one side buffer 42 is disposed between each side indenter 41 and the first mounting portion 21. Particularly, still be provided with two third holes 221 on second installation department 22, two third holes 221 are located the both sides of second hole 232 respectively, third hole 221 is the shoulder hole, the big footpath end of third hole 221 is up, pressure-measuring head 41 is similar to be the shoulder shaft, pressure-measuring head 41's big footpath end can be spacing in third hole 221, first holding tank has been seted up at pressure-measuring head 41's top, set up the just right second holding tank with first holding tank on the installation piece 211, first holding tank and second holding tank cooperate and form the holding chamber that holds side bolster 42, side bolster 42's both ends respectively the butt in the tank bottom of first holding tank and the tank bottom of second holding tank. Preferably, the side cushion 42 is a spring, and the elastic restoring force of the spring is large, the material is easy to obtain, and the manufacturing cost is low.

After the pressure measuring head 41 is contacted with the edge part 102 of the member to be crimped 100, the side buffer member 42 is compressed to provide a buffer for the pressure measuring head 41 to crimp the edge part 102, so as to prevent the edge part 102 from being damaged due to the rigid collision between the pressure measuring head 41 and the edge part 102.

Preferably, as shown in fig. 2, in this embodiment, the mounting block 211 and the intermediate plate 212 are detachably connected through the quick release assembly 5, and for different types of pieces to be crimped 100, the intermediate crimping portion 3 and the side crimping portion 4 matched with the pieces to be crimped 100 can be quickly disassembled and replaced, and compared with the whole replacement of the crimping mechanism, only the portion below the intermediate plate 212 needs to be replaced, so that the size is small, the replacement by an operator is facilitated, and the replacement process of the crimping mechanism can be greatly simplified. In addition, in this way, the first pressure sensor 32 and the second pressure sensor 12 do not need to be replaced frequently, and the first pressure sensor 32 and the second pressure sensor 12 can be prevented from being damaged in the replacement process, so that the maintenance cost is increased. Specifically, the quick release assembly 5 can be a snap structure or a buckle structure, and the snap structure and the buckle structure have the characteristics of simple structure and easy assembly.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A crimping mechanism, comprising:

a mounting assembly (2);

an intermediate crimping part (3) comprising an intermediate ram assembly (31) and a first pressure sensor (32), wherein the intermediate ram assembly (31) is floatingly arranged on the mounting assembly (2) and can be crimped on a core part (101) of a piece to be crimped (100), and the first pressure sensor (32) is arranged on the mounting assembly (2) and is used for detecting the crimping force of the intermediate ram assembly (31);

and the side pressure parts (4) are arranged on the mounting assembly (2) in a floating manner, are positioned at two sides of the middle pressure head assembly (31), and are used for pressing and connecting the edge parts (102) of the pieces to be pressed (100).

2. Crimping mechanism according to claim 1, characterized in that it further comprises a total pressure detection assembly (1), said total pressure detection assembly (1) comprising:

a connecting plate (11);

and two ends of the second pressure sensor (12) are respectively connected with the connecting plate (11) and the mounting component (2).

3. Crimping mechanism according to claim 2, characterized in that one of the attachment plate (11) and the mounting assembly (2) is provided with a guide rail (111) extending in a vertical direction, and the other of the attachment plate (11) and the mounting assembly (2) is provided with a guide slider (2121), the guide slider (2121) being slidingly fitted to the guide rail (111).

4. The crimping mechanism of claim 1, wherein the intermediate ram assembly (31) comprises:

the middle pressure head (311) is arranged on the mounting component (2) in a sliding mode, a gap exists between the middle pressure head (311) and the first pressure sensor (32), and the height of the gap is adjustable;

the middle buffer piece (312) is arranged between the mounting component (2) and the middle pressure head (311) and used for providing buffer for the middle pressure head (311).

5. The crimping mechanism according to claim 4, characterized in that the mounting assembly (2) is provided with a mounting groove (2111) and a through hole (23) which communicate with each other, the first pressure sensor (32) being provided in the mounting groove (2111);

middle pressure head (311) is including pressure head body (3111) and stopper (3112) that are connected, pressure head body (3111) slide set up in through-hole (23), stopper (3112) set up in the top of pressure head body (3111) and butt in the tank bottom of mounting groove (2111).

6. The crimping mechanism according to claim 5, wherein the through hole (23) is a stepped hole, a large diameter end of the stepped hole being located below a small diameter end of the stepped hole;

middle pressure head (311) still includes spacing ring (3113), spacing ring (3113) set up in pressure head body (3111) is kept away from one side of stopper (3112), spacing ring (3113) with middle bolster (312) all set up in the big footpath end, just the both ends of middle bolster (312) respectively the butt in spacing ring (3113) with on the ladder face of shoulder hole.

7. The crimping mechanism according to claim 1, characterized in that the mounting assembly (2) comprises a first mounting part (21) and a second mounting part (22) connected, the side crimping part (4) comprising:

side pressing heads (41) are arranged on two sides of the middle pressing part (3), and the side pressing heads (41) are arranged on the second installation part (22) in a sliding mode;

and a side cushion member (42) provided between the side indenter (41) and the first mounting portion (21).

8. The crimping mechanism according to claim 7, characterized in that the first mounting portion (21) comprises:

the cross section of the mounting block (211) is of a U-shaped structure;

an intermediate plate (212), the intermediate plate (212) being disposed above the mounting block (211).

9. The crimping mechanism of claim 8, wherein the mounting block (211) is removably connected to the intermediate plate (212).

10. A test device comprising a drive mechanism, wherein the drive mechanism is further configured to drive the crimping mechanism to move up and down according to any one of claims 1-9.

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