CN220305382U - Crimping mechanism and testing device - Google Patents

Abstract

The application relates to a crimping mechanism and testing arrangement, crimping mechanism include support, pressure head subassembly and lifting unit, wherein: the bracket is provided with a bearing position for bearing the material tray; the pressure head component is arranged on the bracket; the lifting assembly is arranged on the bracket and used for driving the material tray to move towards a direction approaching or separating from the pressure head assembly. The utility model provides a crimping mechanism, lifting assembly can drive the charging tray towards the direction motion that is close to pressure head subassembly, makes the product butt that bears on the charging tray in pressure head subassembly, carries out the crimping test to the product through pressure head subassembly, and in the crimping test process of product, pressure head subassembly keeps motionless, can avoid causing the poor phenomenon of contact owing to pressure head subassembly's the repeated removal to improve the crimping reliability of product.

Description

Crimping mechanism and testing device

Technical Field

The application relates to the technical field of product crimping, in particular to a crimping mechanism and a testing device.

Background

In the fields of electronic components, chips, digital products and the like, products need to be tested before packaging so as to detect whether the functions of the tested products are normal. When testing a chip, the chip needs to be pressed on the testing machine by using the pressing mechanism so as to electrically connect the chip with the testing machine and further conduct power-on test on the chip.

In the related art, a test product is usually fixed on a platform, and a probe pressure head on a pressure welding mechanism moves to press the test product in a direction close to the test product, but in the test mode, the probe pressure head repeatedly moves in the press welding process to easily cause poor contact of the probe pressure head, so that the press welding test reliability of the test product is seriously affected.

Disclosure of Invention

Accordingly, it is necessary to provide a crimping mechanism and a testing device for solving the problem that the conventional probe ram is prone to poor contact during crimping.

A crimping mechanism, the crimping mechanism comprising:

the bracket is provided with a bearing position for bearing the material tray;

the pressure head assembly is arranged on the bracket;

and the lifting assembly is arranged on the bracket and used for driving the material tray to move towards a direction close to or far away from the pressure head assembly.

In one embodiment, the crimping mechanism further comprises a drawer assembly, the bearing position is located in the drawer assembly, the drawer assembly is slidably arranged in the support, the drawer assembly is provided with a first position located in the support and a second position located outside the support, when the drawer assembly is located in the second position, the drawer assembly can load and unload the tray on the bearing position, and the lifting assembly is used for driving the tray located in the first position to move towards a direction approaching or away from the pressure head assembly.

In one embodiment, the drawer assembly includes a sliding module and a bottom plate disposed on the sliding module, the sliding module is disposed on the bracket, and the bottom plate has the bearing position.

In one embodiment, the sliding module comprises a sliding block and a sliding rail matched with the sliding block, the sliding block is arranged on the support, the bottom plate is arranged on the sliding rail, a first positioning pin is arranged on the bottom plate in the bearing position area, and the material tray is provided with a first positioning hole matched with the first positioning pin.

In one embodiment, the lifting assembly comprises a base, a servo motor and a linear module, wherein the base is arranged on the support, the servo motor and the linear module are both arranged on the base, and the servo motor is in transmission connection with the linear module and used for controlling the linear module to drive the tray at the first position to move towards a direction close to or far away from the pressure head assembly.

In one embodiment, the lifting assembly further comprises a lifting plate movably arranged on the base, the linear module is in transmission connection with the lifting plate and used for driving the lifting plate to move towards a direction approaching to or away from the pressure head assembly, and at least one pressure sensor is arranged at the end part, approaching to the material tray, of the lifting plate.

In one embodiment, the bracket is provided with a stop piece and a first sensor, the stop piece is in signal connection with the first sensor, and the first sensor is used for sensing whether the tray reaches the first position;

the drawer assembly is provided with a locking groove, and when the tray reaches the first position, the stop piece can be clamped in the locking groove.

In one embodiment, the drawer assembly is provided with a second sensor, the lifting assembly is provided with a third sensor, the second sensor is used for sensing whether the tray exists in the drawer assembly, and the third sensor is used for sensing whether the tray exists in the first position of the drawer assembly.

In one embodiment, the pressure head assembly comprises a pressure plate and a plurality of pressure heads arranged on the pressure plate in an array manner, wherein a third positioning pin is arranged on the pressure plate, and the pressure heads are provided with probes and fourth positioning pins;

the material tray is provided with a plurality of material levels for bearing products, the material tray is provided with a third positioning hole matched with the third positioning pin, the material level is provided with a fourth positioning hole matched with the fourth positioning pin, and when the material tray moves towards a direction close to the pressure head assembly, the products can be abutted to the probes.

A test apparatus, the test apparatus comprising:

the crimping mechanism according to any one of the above claims.

According to the crimping mechanism and the testing device, the tray can be loaded on the bearing position, the tray at the driving position of the lifting assembly moves towards the direction close to the pressure head assembly, products borne on the tray are abutted to the pressure head assembly, and crimping testing is conducted on the products through the pressure head assembly. The crimping mechanism that this application provided, at the crimping test in-process of product, pressure head subassembly keeps motionless, can avoid because pressure head subassembly's the phenomenon that leads to the fact the contact failure that reciprocates to improve the crimping reliability of product.

Drawings

Fig. 1 is a schematic structural view of a crimping mechanism provided in some embodiments.

Fig. 2 is an exploded schematic view of a crimping mechanism provided in some embodiments.

Fig. 3 is a schematic structural view of a tray provided in some embodiments.

Fig. 4 is an exploded schematic view of a drawer assembly provided in some embodiments.

Fig. 5 is a schematic structural view of a lifting assembly provided in some embodiments.

Fig. 6 is a schematic structural view of a stent provided in some embodiments.

Fig. 7 is a schematic view of the ram assembly provided in some embodiments.

Reference numerals:

100. a crimping mechanism;

110. a bracket; 111. a stopper; 112. a first sensor; 120. a drawer assembly; 121. a sliding module; 1211. a slide block; 1212. a slide rail; 122. a bottom plate; 1221. a bearing position; 1222. a first positioning pin; 123. a locking groove; 124. a second sensor; 130. a ram assembly; 131. a pressing plate; 1311. a third locating pin; 132. a pressure head; 1321. a probe; 1322. a fourth locating pin; 140. a lifting assembly; 141. a base; 142. a servo motor; 143. a linear module; 144. a lifting plate; 1441. a pressure sensor; 1442. a second positioning pin; 145. a third sensor;

200. a material tray; 210. a first positioning hole; 220. a second positioning hole; 230. a material level; 240. a third positioning hole; 250. and a fourth positioning hole.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The following describes the technical scheme provided by the embodiment of the application with reference to the accompanying drawings.

As shown in fig. 1-4, the present application provides a crimping mechanism 100, the crimping mechanism 100 including a bracket 110, a ram assembly 130, and a lift assembly 140. The support 110 has a bearing place 1221, and the bearing place 1221 is used for bearing the tray 120. The ram assembly 130 is disposed on the bracket 110 by screwing, welding, etc., and the crimping mechanism 100 is used for crimping test of the product. In this embodiment, the product may be an electronic component, a chip, a digital product, or the like.

The lifting assembly 140 is disposed on the bracket 110 by screwing, welding, etc., and the lifting assembly 140 is used for driving the tray 200 to move toward or away from the ram assembly 130. When the product needs to be crimped, the tray 200 can be loaded on the bearing position 1221, and the lifting assembly 140 drives the tray to move towards the direction close to the ram assembly 130, so that the product borne on the tray 200 is abutted against the ram assembly 130, and the crimp test is performed on the product through the ram assembly 130. The crimping mechanism 100 that this application provided, in the crimping test process of product, pressure head subassembly 130 keeps motionless, can avoid because pressure head subassembly 130 repeatedly move and lead to appearing the signal cable on pressure head subassembly 130 and short circuit, circuit break etc. bad phenomenon, prevent pressure head subassembly 130 in the crimping in-process phenomenon of contact failure promptly to improve the crimping reliability of product.

In one embodiment, as shown in fig. 1-4, the crimping mechanism 100 further includes a drawer assembly 120, the bearing location 1221 is located on the drawer assembly 120, the drawer assembly 120 is slidably disposed on the bracket 110, that is, the drawer assembly 120 is disposed on the bracket 110, and the drawer assembly 120 is capable of sliding on the bracket 110. The drawer assembly 120 has a first position inside the rack 110 and a second position outside the rack 110, as in this embodiment, the drawer assembly 120 can be switched between the first position and the second position when the drawer assembly 120 slides on the rack 110, and when the drawer assembly 120 is in the second position, the drawer assembly 120 can load and unload the tray 200 on the loading position 1221, the tray 200 loading at least one product to be tested. The lifting assembly 140 is used to drive the tray 200 in the first position to move in a direction toward or away from the ram assembly 130.

Specifically, when the drawer assembly 120 slides on the bracket 110 and the drawer assembly 120 slides to the second position outside the bracket 110, the tray 200 can be loaded on the drawer assembly 120, and then the drawer assembly 120 continues to slide to the first position inside the bracket 110, in this state, the tray 200 moves to a position corresponding to the ram assembly 130, and the lifting assembly 140 can drive the tray 200 in the first position to move towards a direction approaching the ram assembly 130, so that the product carried on the tray 200 abuts against the ram assembly 130, and the crimp test is performed on the product by the ram assembly 130. After the crimping test of the product is completed, the lifting assembly 140 drives the tray 200 to move in a direction away from the ram assembly 130, and when the tray 200 moves to the first position, the tray 200 and the ram assembly 130 are separated from each other, the tray 200 is replaced on the drawer assembly 120, the drawer assembly 120 carries the tray 200 to slide on the bracket 110 to the second position, and the tray 200 carried by the drawer assembly 120 can be disassembled to complete the crimping process of the product or replace another product for continuous crimping test.

In order to realize the movement and loading and unloading of the tray 200, in an embodiment, as shown in fig. 1-4, the drawer assembly 120 includes a sliding module 121 and a bottom plate 122, the bottom plate 122 is disposed on the sliding module 121 by screwing, clamping, etc., and the sliding module 121 is disposed on the bracket 110 by screwing, welding, etc. The bottom plate 122 has a bearing position 1221, for example, in the present embodiment, a plurality of positioning protrusions are disposed on the bottom plate 122, and the plurality of positioning protrusions are surrounded together to form a bearing position 1221, and the bearing position 1221 supports the loading of the tray 200 and can limit the tray 200, so as to prevent the tray 200 from shaking or even falling down during the sliding process along with the drawer assembly 120.

Specifically, as shown in fig. 1-4, the sliding module 121 includes a slider 1211 and a sliding rail 1212 cooperating with the slider 1211. The slide 1211 is disposed on the bracket 110 by screwing, welding, etc. to realize connection between the sliding module 121 and the bracket 110, the bottom plate 122 is disposed on the slide rail 1212 by screwing, clamping, etc., and the bottom plate 122 can be switched between the first position and the second position by sliding the slide rail 1212 on the slide 1211. The base plate 122 is provided with a first positioning pin 1222 in the area of the bearing location 1221, and the tray 200 has a first positioning hole 210 that mates with the first positioning pin 1222. In this embodiment, if the tray 200 is to be loaded on the drawer assembly 120, the tray 200 can be aligned to the carrying position 1221, the first positioning hole 210 on the tray 200 is inserted into the first positioning pin 1222 on the bottom plate 122, so that the tray 200 can be detachably loaded on the drawer assembly 120, and meanwhile, the sliding rail 1212 slides on the sliding block 1211 towards the inside of the bracket 110, so that the tray 200 moves to the first position in preparation for the crimping test of the subsequent product. And after the crimping test of the product is completed, the slide rail 1212 continues to slide on the slide 1211 toward the outside of the bracket 110 to move the tray 200 to the second position for facilitating the disassembly of the tray 200.

Of course, in other possible embodiments, the sliding module 121 is not limited to the combination of the sliding block 1211 and the sliding rail 1212, the sliding module 121 may also be a screw, the bottom plate 122 is disposed on the screw, and the bottom plate 122 can be switched between the first position and the second position by changing the rotation amount of the screw. The present application is not limited with respect to the specific form of the sliding module 121. In addition, as shown in fig. 4, in the present embodiment, the number of the first positioning pins 1222 is two, and the two first positioning pins 1222 are respectively disposed at two opposite angles of the bearing position 1221, which can better position the tray 200. Of course, in other possible embodiments, the number of first positioning pins 1222 may be three, four, or other, and the present application is not limited to a specific number of first positioning pins 1222.

In order to achieve the press-fit test of the product, in one embodiment, as shown in fig. 1-5, the lifting assembly 140 includes a base 141, a servo motor 142, and a linear module 143. The base 141 is arranged on the bracket 110 in a threaded connection, welding and other modes, so that the lifting assembly 140 is arranged on the bracket 110, the servo motor 142 and the linear module 143 are arranged on the base 141, the servo motor 142 is in transmission connection with the linear module 143, when the servo motor 142 outputs power, the servo motor 142 can control the linear module 143 to act, and the linear module 143 drives the tray 200 at the first position to move towards a direction close to or far away from the pressure head assembly 130, and when the tray 200 moves towards a direction close to the pressure head assembly 130, the tray 200 can be abutted against the pressure head assembly 130, so that the pressure head assembly 130 can realize the pressure test of bearing products on the tray 200.

Researchers have found that conventionally, the ram assembly is used for carrying out crimping test on products in a pneumatic mode, but driving the ram assembly to act in a pneumatic mode easily causes bad phenomena such as shaking, clamping stagnation and the like of the products in the crimping process. In order to solve the above-mentioned problem, in the present embodiment, the lifting assembly 140 adopts a driving mode of combining the servo motor 142 and the linear module 143, so that the motion of the tray 200 in the moving process towards the direction approaching or away from the ram assembly 130 is more stable, and the moving speed of the tray 200 is adjustable, so that the crimping process of the product is smooth, and adverse phenomena such as impact and vibration are avoided in the crimping process of the product, thereby improving the crimping test reliability of the product.

Further, as shown in fig. 1-5, the lifting assembly 140 further includes a lifting plate 144, the lifting plate 144 is movably disposed on the base 141, the linear module 143 is in driving connection with the lifting plate 144, and the linear module 143 is used for driving the lifting plate 144 to move toward or away from the ram assembly 130. The linear module 143 may drive the lift plate 144 on the base 141 toward the ram assembly 130, such as when the linear module 143 is moved toward the ram assembly 130, and the linear module 143 may drive the lift plate 144 on the base 141 toward the ram assembly 130, such as when the linear module 143 is moved away from the ram assembly 130. The lifting plate 144 is provided with at least one pressure sensor 1441 near the end of the tray 200, when the tray 200 moves to the first position, the lifting plate 144 moves towards the direction near the pressure head assembly 130, and can lift the tray 200 from the drawer assembly 120, so that the tray 200 is separated from the drawer assembly 120 and simultaneously moves towards the direction near the pressure head assembly 130, a product borne by the tray 200 can be abutted against the pressure head assembly 130 for pressure testing, the pressure sensor 1441 can monitor the abutting pressure between the pressure head assembly 130 and the product in real time in the process of abutting the product against the pressure head assembly 130, and when the pressure value fed back by the pressure sensor 1441 does not exceed the preset maximum pressure value, the product can continue to move towards the pressure head assembly 130 and abut against the pressure head assembly 130 for pressure testing; conversely, when the pressure value fed back by the pressure sensor 1441 exceeds the preset maximum pressure value, the pressure sensor 1441 feeds back a signal to the control module or the user, and the control module or the user controls the stop of the crimping mechanism 100 or adjusts the pressure between the product and the ram assembly 130, so as to prevent the product from being damaged due to the excessive pressure between the product and the ram assembly 130.

In this embodiment, as shown in fig. 5, four pressure sensors 1441 are used to monitor the test pressure between the ram assembly 130 and the product at the same time, so that the reliability of the pressure sensors 1441 for monitoring the test pressure between the ram assembly 130 and the product is improved. Of course, in other possible embodiments, pressure sensor 1441 may be three, five, or other numbers, and the specific number of pressure sensors 1441 is not a limitation of this application.

In one embodiment, as shown in fig. 3-5, the lifting plate 144 is provided with at least one second positioning pin 1442, and the tray 200 has a second positioning hole 220 that mates with the second positioning pin 1442. When the lifting plate 144 moves towards the direction approaching the pressure head assembly 130, the second positioning pin 1442 on the lifting plate 144 is matched with the second positioning hole 220 on the material tray 200 in a positioning way, so that the detachable matching of the lifting plate 144 and the material tray 200 is realized, the lifting plate 144 can lift the material tray 200 from the drawer assembly 120, the first positioning pin 1222 on the bottom plate 122 and the first positioning hole 210 on the material tray 200 are separated from each other, that is, the material tray 200 is separated from the drawer assembly 120, and the material tray 200 moves towards the direction approaching the pressure head assembly 130, and the product borne by the material tray 200 can be abutted against the pressure head assembly 130 for pressure test. After the crimping test of the product is completed, the second positioning pin 1442 on the lifting plate 144 is separated from the second positioning hole 220 on the tray 200, and the tray 200 can be reloaded on the drawer assembly 120, so that the tray 200 can be conveniently moved to the second position for assembly and disassembly operations.

In this embodiment, as shown in fig. 5, two second positioning pins 1442 are provided on the lifting plate 144, and the two second positioning pins 1442 are disposed at two opposite corners of the lifting plate 144 that are relatively far away, so as to better position the tray 200 when the lifting plate 144 lifts the tray 200. Of course, in other possible embodiments, the second locating pins 1442 on the lifting plate 144 may be three, four, or other numbers, and the specific number of second locating pins 1442 on the lifting plate 144 is not limited in this application.

In order to prevent the tray 200 from being autonomously displaced at a predetermined position, in an embodiment, as shown in fig. 1 to 6, the support 110 is provided with a stopper 111 and a first sensor 112. The stopper 111 is in signal connection with a first sensor 112, and the first sensor 112 is used for sensing whether the tray 200 reaches the first position. The drawer assembly 120 is provided with a locking slot 123, and in this embodiment, the locking slot 123 is a notch formed on the bottom plate 122. When the tray 200 reaches the first position, the first sensor 112 obtains the first position signal of the tray 200, the first sensor 112 feeds back the signal to the control module or the user, the control module or the user controls the stop member 111 to act, and the stop member 111 is clamped in the locking groove 123, so that the problem that the tray 200 is automatically shifted in the process of lifting the tray 200 by the lifting assembly 140 is prevented, and the lifting assembly 140 cannot lift the tray 200. Conversely, when the first sensor 112 does not acquire the tray at the first position signal, the first sensor 112 feeds back the first position no tray 200 signal, and no subsequent crimping action is performed.

In this embodiment, the stop member 111 is a stop cylinder, and when the tray 200 reaches the first position, the stop cylinder may extend out and be clamped in the locking slot 123, so as to prevent the tray 200 from being displaced independently during the lifting process. Of course, in other possible embodiments, the stop 111 may also be a catch or other element, and the present application is not limited as to the particular type of stop 111. Also, the first sensor 112 may be one of a displacement sensor and a photoelectric sensor.

To sense whether the tray 200 is in place, in one embodiment, as shown in fig. 1-5, the drawer assembly 120 is provided with a second sensor 124 and the lift assembly 140 is provided with a third sensor 145. The second sensor 124 is configured to sense whether the tray 200 exists in the drawer assembly 120, if the second sensor 124 senses that the tray 200 exists in the drawer assembly 120 when the tray 200 is placed on the drawer assembly 120 for the compression test, the second sensor feeds back a signal to the tray 200, and the subsequent compression operation is continued; conversely, if the second sensor 124 senses that the tray 200 does not exist in the drawer assembly 120, the second sensor 124 feeds back a signal that the tray 200 is not placed, and the user can perform subsequent crimping operation after the tray 200 is placed on the drawer assembly 120 in a complementary manner, so as to prevent the adverse phenomenon of air compression. The third sensor 145 is used for sensing whether the tray 200 exists when the drawer assembly 120 is at the first position, when the lifting assembly 140 needs to lift the tray 200, if the third sensor 145 senses that the tray 200 is at the first position, the third sensor 145 feeds back that the tray 200 has reached the first position, and the lifting assembly 140 continues to lift the tray 200; conversely, if the third sensor 145 senses that the tray 200 does not reach the first position, the third sensor 145 feeds back that the tray 200 does not reach the first position, and the lifting operation of the tray 200 is terminated, thereby preventing the occurrence of the air pressure failure.

The second sensor 124 and the third sensor 145 may be one of a pressure sensor and a photoelectric sensor, and the specific types of the second sensor 124 and the third sensor 145 are not limited herein.

To achieve the crimp testing of the product, in one embodiment, as shown in fig. 1-7, the ram assembly 130 includes a platen 131 and a plurality of rams 132 disposed on the platen 131 in an array. The platen 131 is provided with a third positioning pin 1311, and the ram 132 has a probe 1321 and a fourth positioning pin 1322. The tray 200 has a plurality of material levels 230 for carrying products, and preferably the products placed on the material levels 230 are in one-to-one correspondence with the ram 132 to simultaneously perform crimp testing of the plurality of products. The tray 200 has a third positioning hole 240 cooperating with a third positioning pin 1311 and the material level 230 is provided with a fourth positioning hole 250 cooperating with a fourth positioning pin 1322. When the tray 200 moves toward the direction approaching the ram assembly 130, the product can abut against the probe 1321, and the product is electrically connected to the probe 1321, and the product is subjected to the crimping test by the probe 1321. Above-mentioned crimping mechanism 100, when the product needs the butt on pressure head subassembly 130, realize the coarse positioning of product and clamp plate 131 through the cooperation of third locating pin 1311 and third locating hole 240, then realize the accurate location of product and probe 1321 through the cooperation of fourth locating pin 1322 and fourth locating hole 250, prevent that the product from appearing the offset bad phenomenon in the relative position with probe 1321 crimping in-process, and then improve the crimping reliability of product.

In addition, as shown in fig. 1-7, the present application further provides a testing device, which includes the crimping mechanism 100 according to any one of the above technical solutions.

According to the testing device, in the crimping testing process of the product, the pressure head assembly 130 is kept motionless, and the phenomenon of poor contact caused by repeated movement of the pressure head assembly 130 can be avoided, so that the crimping reliability of the product is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A crimping mechanism, the crimping mechanism comprising:

the bracket is provided with a bearing position for bearing the material tray;

the pressure head assembly is arranged on the bracket;

and the lifting assembly is arranged on the bracket and used for driving the material tray to move towards a direction close to or far away from the pressure head assembly.

2. The crimping mechanism of claim 1 further comprising a drawer assembly, the load bearing position being located in the drawer assembly, the drawer assembly being slidably disposed in the bracket and having a first position inside the bracket and a second position outside the bracket, and the drawer assembly being operable to load and unload a tray on the load bearing position when the drawer assembly is in the second position, the lift assembly being operable to drive the tray in the first position in a direction toward or away from the ram assembly.

3. The crimping mechanism of claim 2, wherein the drawer assembly includes a slide module and a base plate disposed on the slide module, the slide module being disposed on the bracket, the base plate having the load-bearing location.

4. The crimping mechanism of claim 3, wherein the sliding module comprises a slider and a slide rail mated with the slider, the slider is disposed on the bracket, the bottom plate is disposed on the slide rail, the bottom plate is provided with a first positioning pin in the bearing location area, and the tray has a first positioning hole mated with the first positioning pin.

5. The crimping mechanism of claim 3, wherein the lifting assembly comprises a base, a servo motor and a linear module, the base is arranged on the support, the servo motor and the linear module are both arranged on the base, the servo motor is in transmission connection with the linear module, and the servo motor is used for controlling the linear module to drive the tray in the first position to move towards a direction approaching or separating from the pressure head assembly.

6. The crimping mechanism of claim 5, wherein the lifting assembly further comprises a lifting plate movably disposed on the base, the linear module is in driving connection with the lifting plate for driving the lifting plate to move toward or away from the ram assembly, and the lifting plate is provided with at least one pressure sensor at an end portion near the tray.

7. Crimping mechanism according to claim 2, wherein the bracket is provided with a stop in signal connection with a first sensor for sensing whether the tray has reached the first position;

the drawer assembly is provided with a locking groove, and when the tray reaches the first position, the stop piece can be clamped in the locking groove.

8. The crimping mechanism of claim 2, wherein the drawer assembly is provided with a second sensor, the lifting assembly is provided with a third sensor, the second sensor is used for sensing whether the tray exists in the drawer assembly, and the third sensor is used for sensing whether the tray exists in the first position.

9. The crimping mechanism of claim 1, wherein the ram assembly comprises a platen and a plurality of rams disposed in an array on the platen, the platen having a third locating pin disposed thereon, the rams having a probe and a fourth locating pin;

the material tray is provided with a plurality of material levels for bearing products, the material tray is provided with a third positioning hole matched with the third positioning pin, the material level is provided with a fourth positioning hole matched with the fourth positioning pin, and when the material tray moves towards a direction close to the pressure head assembly, the products can be abutted to the probes.

10. A test device, the test device comprising:

the crimping mechanism of any one of claims 1-9.