CN220172495U - Conduction device and detection equipment - Google Patents

Abstract

The utility model relates to a conduction device and detection equipment. The detection equipment comprises a conduction device, the conduction device comprises a bench, a needle die and a bearing component, wherein the needle die is fixedly arranged on the bench, the needle die is provided with a conduction piece used for being abutted against a connecting part of a product to be detected, the bearing component is arranged at intervals with the needle die in the pressing direction and is provided with a bearing jig used for placing the product to be detected, the bearing jig can bear the product to be detected to be close to the needle die along the pressing direction, the connecting part of the product to be detected is abutted against the conduction piece, so that the product to be detected is in a conduction state, or the needle die can be far away from along the pressing direction, and the product to be detected is in a power-off state. Compared with the alignment mode of moving the needle mould to enable the conducting piece in the needle mould and the product to be tested in the prior art, the problems of poor alignment and poor conduction can be effectively avoided, the stability of crimping conduction and the success rate of crimping can be improved when the crimping conduction is carried out, and the retest rate in the follow-up detection process is further reduced.

Description

Conduction device and detection equipment

Technical Field

The present utility model relates to the field of electronic product detection technologies, and in particular, to a conduction device and a detection device.

Background

Many small-sized electronic products used by people in daily life, such as AR/VR intelligent watches, are high in technology content of display screens, small in size, high in resolution, high in price, long in development period and the like. The development and manufacturing cost of the electronic product is higher, the product can be electrified before delivery in the production process, so that the display screen of the electronic product is subjected to picture test in a bright screen state, the screen display performance of the product is judged, the product yield before assembly is ensured, and the situation that the reputation of an electronic product factory is influenced and the resource waste is caused due to the fact that defective products flow into the market is avoided.

In order to accurately measure the performance of the electronic product, a product connector or a test point is connected with a probe in a pin die of a conduction device to realize quick conduction before testing, and then a detection element is used for carrying out picture detection on the tested product; the conventional conduction device generally keeps a tested product still, and a probe arranged in a pin die is contacted with a product connector by moving the pin die to realize conduction. However, due to errors of machining precision and assembly accumulated tolerance of the workpiece added in the conduction device, problems of poor alignment and poor conduction often occur in the conduction process; in addition, because the pin die and the switching circuit board connected with the pin die move, signal interference is easy to be caused, and the problems of unstable test and the like in the subsequent test process can occur.

Disclosure of Invention

Based on this, it is necessary to provide a conduction device capable of precisely aligning to make the conduction effect good and a detection apparatus including the conduction device, aiming at the problems that the existing conduction device often has poor alignment and poor conduction in the conduction process.

According to an aspect of the present utility model, there is provided a conduction device including:

the needle mould is fixedly arranged on the rack and is provided with a conducting piece for abutting against the connecting part of the product to be tested;

the bearing assembly is arranged at intervals with the needle die in a pressing direction and is provided with a bearing jig for placing the product to be tested, the bearing jig can controllably bear the product to be tested to be close to the needle die in the pressing direction, and the connecting part of the product to be tested is abutted to the conducting piece so that the product to be tested is in a conducting state, or can be far away from the needle die in the pressing direction so that the product to be tested is in a power-off state.

In one embodiment, the conducting device further comprises a pressing component, wherein the pressing component is arranged on one side of the rack, provided with the needle mould, and is arranged at intervals with the bearing jig in the pressing direction;

the pressing component is provided with a plurality of pressing pieces, and the pressing pieces can controllably move along the pressing direction relative to the bearing jig and abut against the product to be detected when the product to be detected is in the conducting state so as to press the product to be detected on the bearing jig.

In one embodiment, the bearing assembly further includes a carrier, and the bearing jig is fixedly disposed on the carrier, and the carrier can controllably reciprocate along the pressing direction together with the bearing jig.

In one embodiment, the carrier is provided with at least two positioning elements arranged oppositely, and the at least two positioning elements arranged oppositely form a positioning gap for limiting the bearing jig therein.

In one embodiment, the bearing jig is provided with at least one positioning hole, the rack is provided with a positioning column corresponding to the positioning hole, and when the bearing jig approaches the needle mold along the pressing direction, the positioning column can be arranged in the corresponding positioning hole in a penetrating manner so as to guide and position the bearing jig.

In one embodiment, a limiting groove is formed in one side, close to the needle mold, of the bearing jig, and the limiting groove is used for limiting the product to be tested.

In one embodiment, the bearing jig comprises a body and at least two crimping pieces, the limiting grooves are formed in the body, each crimping piece is movably connected to the body and arranged at the edge of each limiting groove, and each crimping piece is used for being abutted to the product to be tested when the product to be tested is limited in the limiting groove so as to limit the displacement of the product to be tested in the pressing direction.

In one embodiment, a cavity is formed in a side, close to the bearing jig, of the needle mold, the conducting piece is arranged in the cavity, and the cavity is used for accommodating the connecting portion of the product to be tested.

In one embodiment, the cavity is provided with a chamfer at the edge of its opening.

According to another aspect of the present utility model, there is provided a detecting apparatus comprising a detecting element and a conducting device as described above, the detecting element being arranged at a distance from the conducting device, the detecting element being for detecting the product to be detected when the product to be detected is crimped in the conducting device.

Above-mentioned conduction device and check out test set including this conduction device through with the fixed setting of needle mould on the rack to through set up the bearing jig that can bear the product of awaiting measuring and be close to or keep away from the needle mould along pressing the direction in the bearing assembly that sets up with the needle mould interval, make as signal transmission part's conduction piece can fix in the needle mould, bear the jig and can bear the product of awaiting measuring and be close to the needle mould along pressing the direction, so that the connecting portion butt in product and the needle mould that awaits measuring realizes counterpoint switching on. Compared with the alignment mode of moving the needle mould to enable the conducting piece in the needle mould and the product to be tested in the prior art, the problems of poor alignment and poor conduction can be effectively avoided, the stability of crimping conduction and the success rate of crimping can be improved when the crimping conduction is carried out, and the retest rate in the follow-up detection process is further reduced.

Drawings

Fig. 1 is a front view of a detection apparatus according to an embodiment of the present utility model.

Fig. 2 is an isometric view of a conducting device according to an embodiment of the present utility model in a powered-off state.

Fig. 3 is a front view of a conducting device according to an embodiment of the present utility model in a power-off state.

Fig. 4 is an isometric view of a conductive device according to an embodiment of the present utility model in a conductive state.

Fig. 5 is an enlarged schematic view of the area a in fig. 4.

Fig. 6 is an isometric view of a bearing fixture according to an embodiment of the utility model.

Fig. 7 is an isometric view of another angle of the conducting device according to an embodiment of the present utility model in a powered-off state.

Fig. 8 is an enlarged schematic view of region B in fig. 7.

Fig. 9 is a schematic diagram of the crimping of a product to be tested into a pin mold cavity.

Fig. 10 is an enlarged schematic view of region C in fig. 5.

Reference numerals illustrate:

10. a detection device; 100. a detection element; 200. a transfer mechanism; 300. a conduction device; 310. a stand; 311. a base; 312. a bracket; 3121. a support plate; 3121a, a connection station; 3121b, a relief groove; 313. positioning columns; 320. a needle mold; 321. a cavity; 322. chamfering; 330. a carrier assembly; 331. a first driving member; 332. a carrier; 333. carrying a jig; 3331. a body; 3331a, limit groove; 3331b, locating holes; 3333. a crimp member; 334. a positioning element; 335. a guide post; 340. a pressing assembly; 341. a second driving member; 342. a connecting block; 343. a pressing member; 40. a product to be tested; 41. a connector.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

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 utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, 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 utility model provides a conduction device and detection equipment, wherein the detection equipment comprises a conduction device, the detection equipment is used for conducting pressure welding on a product to be detected before the electronic product leaves a factory and conducting picture detection on a display screen of the product to be detected, so that the yield of the product before assembly is ensured, and the conduction device is used for conducting pressure welding on the product to be detected before the product to be detected is detected, so that the product to be detected is in an electrified state, and the display screen of the product to be detected can be lightened so as to be tested.

The structure of the conduction device in the present utility model will be described below by taking an example in which the conduction device is used in a detection apparatus for detecting a display screen of an electronic product. It should be understood that in other embodiments, the conducting device of the present utility model is not limited to being used only in the detecting device for conducting the electronic product by crimping, but may be used alone for conducting the electronic product by crimping, which is not limited herein.

Referring to fig. 1, fig. 1 shows a schematic diagram of a detecting apparatus 10 according to an embodiment of the present utility model, where the detecting apparatus 10 includes a plurality of detecting elements 100, a transfer mechanism 200 and a conducting device 300, the transfer mechanism 200 correspondingly includes a carrying platform, each carrying platform is correspondingly provided with a conducting device 300, each conducting device 300 is spaced from the corresponding detecting element 100, the detecting element 100 is used for performing image detection on a display screen of a product 40 to be detected, and the conducting device 300 is used for performing pressure connection on the product 40 to be detected before the product 40 to be detected is detected by the detecting element 100, so that the product 40 to be detected is in an energized state, so that the display screen of the product 40 to be detected can be lightened to be tested, and the transfer mechanism 200 is used for carrying the conducting device 300 and the product 40 to be detected disposed on the conducting device 300 sequentially pass through each detecting element 100 to be sequentially detected by different detecting elements 100.

Fig. 2 to 4 are schematic views of the above-mentioned conduction device 300, and the conduction device 300 according to an embodiment of the present utility model includes a stand 310, a needle mold 320 and a carrier assembly 330. The rack 310 includes a base 311 and a bracket 312 disposed on an upper side of the base 311, the pin mold 320 is fixedly disposed on the bracket 312, the carrier assembly 330 is disposed on the base 311 and is disposed at intervals with the pin mold 320, a conducting member (not shown in the drawing) for abutting against a connecting portion of the product 40 to be tested is disposed in the pin mold 320, and the carrier assembly 330 is used for carrying the product 40 to be tested, so that the connecting portion of the product 40 to be tested can abut against or separate from the conducting member, and the product 40 to be tested is in a conducting state shown in fig. 4 or a power-off state shown in fig. 2 and 3.

In one embodiment, as shown in fig. 5, the carrying assembly 330 includes a first driving member 331, a carrying platform 332, and a carrying fixture 333, wherein the first driving member 331 may be a driving source such as an air cylinder or a hydraulic cylinder, and is fixedly mounted on the base 311, the carrying platform 332 is connected to the first driving member 331, and the carrying fixture 333 is fixedly disposed on the carrying platform 332 for carrying the product 40 to be tested. The first driving member 331 is configured to drive the carrier 332 and the carrying tool 333 to reciprocate along a pressing direction (X direction shown in the figure) to approach the needle mold 320 or separate from the needle mold 320, when the first driving member 331 drives the carrying tool 333 carrying the product 40 to be tested to approach the needle mold 320 along the pressing direction (i.e. to move upwards along the pressing direction shown in the figure), the connection portion of the product 40 to be tested can abut against a conducting member, such as a metal probe, a metal sheet needle, etc., disposed on the needle mold 320, so as to place the product 40 to be tested in a conducting state; when the first driving member 331 drives the carrying jig 333 carrying the product 40 to be tested to move away from the pin die 320 along the pressing direction (i.e. move downward along the pressing direction shown in the drawing), the connection portion of the product 40 to be tested can be separated from the conducting member on the pin die 320, so that the product 40 to be tested is in a power-off state.

Specifically, the carrier 332 is provided with at least two positioning elements 334 disposed opposite to each other, and in the embodiment shown in the figure, the positioning elements 334 are two, the two positioning elements 334 are disposed opposite to each other along a diagonal line of the carrier 332, each positioning element 334 is L-shaped, and the two positioning elements 334 form a positioning gap for limiting the carrying jig 333 therein. Of course, there may be more positioning elements 334, and a plurality of positioning elements 334 may be provided that a positioning gap is formed therein, in which the carrier jig 333 can be limited.

In order to enable the carrier 332 to move reciprocally in the pressing direction smoothly under the driving of the first driving member 331, the carrier 330 further includes a plurality of guide posts 335 disposed at intervals on the bottom surface of the carrier 332, and each guide post 335 is movably disposed through the base 311, so that the carrier 332 moves reciprocally in the pressing direction more smoothly.

Further, in one embodiment, as shown in fig. 6, a limiting groove 3331a is formed on one side of the carrying jig 333 near the needle mold 320, and the size of the limiting groove 3331a is slightly larger than the outer dimension of the product 40 to be tested, so as to limit the product 40 to be tested therein. Preferably, the carrying fixture 333 includes a main body 3331 and a pressing member 3333, and a limiting slot 3331a is formed on one side of the main body 3331 near the needle mold 320. The two pressing members 3333 are provided in the embodiment shown in the drawings, and the two pressing members 3333 are relatively spaced and movably disposed at the edge of the limit groove 3331a, and each pressing member 3333 is movable relative to the body 3331, for example, as shown in the drawings, and is rotatable relative to the body 3331 along an axis to enable the product 40 to be tested to abut against the product 40 to be tested when being limited in the limit groove 3331a, so that the displacement of the product 40 to be tested in the pressing direction can be limited, and thus the product 40 to be tested can be firmly limited in the limit groove 3331 a. It is to be understood that the number of the pressing members 3333 may be plural, and the plurality of pressing members 3333 may be movably disposed at the edge of the limiting slot 3331a, which is not limited in particular.

In order to accurately press-fit alignment during press-fit connection, thereby ensuring that the connection part of the product 40 to be tested can be accurately connected with the conducting piece at one time, the body 3331 of the bearing jig 333 is provided with one or more positioning holes 3331b, correspondingly, as shown in fig. 7 and 8, the support 312 of the rack 310 is provided with positioning columns 313 corresponding to the positioning holes 3331b, when the bearing jig 333 bears the product 40 to be tested and approaches the needle mold 320 along the pressing direction, each positioning column 313 can penetrate through a corresponding positioning hole 3331b, so that the connection part of the product 40 to be tested can be accurately abutted to the conducting piece when the bearing jig 333 bears the product 40 to be tested and approaches the needle mold 320, and the connection part of the product 40 to be tested and the conducting piece are prevented from being misplaced during press-fit connection and not being effectively conducted.

Further, as shown in fig. 9, a cavity 321 is formed on a side of the needle mold 320 near the carrying jig 333, the conducting member is disposed in the cavity 321, and the cavity 321 is used for accommodating a connecting portion of the product 40 to be tested. Like this through setting up die cavity 321 and making the connecting portion of the product 40 that awaits measuring hold in die cavity 321 for connecting portion can be spacing in die cavity 321 and can not remove at will, has guaranteed that connecting portion can not produce the skew when the crimping switches on, thereby has avoided the condition emergence of switching on the bad.

As a modification of the above embodiment, the cavity 321 is provided with a chamfer 322 at the edge of its opening, which makes the opening of the cavity 321 larger than the profile of the connecting portion, so that the connecting portion is more easily guided into place into the cavity 321.

Thus, through the above arrangement, the positioning element 334 on the carrier 332 is utilized to coarsely position the bearing jig, the positioning column 313 on the support 312 is utilized to be inserted into the positioning hole 3331b formed in the body 3331 of the bearing jig 333 to further finely position the bearing jig 333, and finally the cavity 321 of the needle mold 320 is utilized to further accurately correct the position of the connector 41 of the product 40 to be tested, so that multistage positioning is realized, the crimping and conducting precision of the conducting device 300 is ensured, and the success rate of primary crimping is improved. And through making needle mould 320 fixed, and utilize the mode that removes the product to be tested 40 and set up the conduction piece on needle mould 320 and carry out switching on, compare in prior art remove needle mould 320 and make the counterpoint mode of conduction piece and the product to be tested 40 in the needle mould 320, can avoid counterpoint not good and the poor problem of switching on effectively to can further improve the stability that the crimping switched on and improve the success rate of crimping when the crimping switched on, and then reduce the retest rate in follow-up testing process.

It should be noted that the carrier 332 may be omitted, and the carrier 333 may be directly connected to the first driving member 331, and the carrier 333 may be driven by the first driving member 331 to move toward or away from the needle mold 320. However, by providing the stage 332, the positioning device 334 on the stage 332 performs coarse positioning first, and it is apparent that the alignment accuracy can be improved as a more preferable embodiment.

In addition, referring to fig. 5, in order to further compress the product 40 to be tested when the product 40 is in the conductive state by being pressed against the conductive member, the conductive device 300 further includes a compressing assembly 340, in a preferred embodiment, the compressing assembly 340 is disposed on a side of the rack 310 with the pin mold 320 and is spaced from the supporting tool 333 in the compressing direction, and the compressing assembly 340 is used to abut against the product 40 to be tested when the product 40 to be tested is in the conductive state, so that the product 40 to be tested is compressed in the limiting slot 3331a when the product 40 to be tested is limited in the limiting slot 3331 a.

Specifically, as shown in fig. 10, the pressing assembly 340 includes a second driving member 341, a connection block 342, and a plurality of pressing members 343, where the second driving member 341 is the same as the first driving member 331, and may also be a driving source such as an air cylinder or a hydraulic cylinder, the connection block 342 is connected to the second driving member 341, the plurality of pressing members 343 are disposed on the connection block 342 at intervals, and the second driving member 341 can drive the connection block 342 and the plurality of pressing members 343 to move together relative to the carrying fixture 333, so that the pressing members 343 can be close to the carrying fixture 333 and abut against the product 40 to be tested when the product 40 to be tested is in a conducting state, so as to press the product 40 to be tested on the carrying fixture 333. Preferably, the pressing member 343 may be a cylindrical elastic thimble, so that when the pressing member 343 can lightly press the surface of the product 40 to be tested with a softer elastic force, the product 40 to be tested is not crushed.

In addition, the support 312 has a support plate 3121 disposed along a horizontal direction perpendicular to the pressing direction in fig. 10, the support plate 3121 and the base 311 are disposed at intervals in the pressing direction, the needle mold 320 is fixedly disposed on one side of the support plate 3121 near the base 311, the support plate 3121 has a connection platform 3121a protruding along the horizontal direction, the connection platform 3121a is provided with a avoidance groove 3121b penetrating through two opposite sides of the connection platform 3121a in the pressing direction, and the connection block 342 and the pressing member 343 of the pressing assembly 340 can movably penetrate through the avoidance groove 3121b, so that not only the connection part of the product 40 to be tested and the conduction member disposed on the needle mold 320 can be mutually pressed, but also the pressing member 343 can press the product 40 to be tested without interfering with the support 312 of the stand 310, thereby ensuring the compactness of the structure of the conduction device 300.

Finally, it should be noted that, in order to simplify the description, all possible combinations of the features of the above embodiments may be arbitrarily combined, however, as long as there is no contradiction between the combinations of the features, the description should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A conduction device, comprising:

a stand;

the needle mould is fixedly arranged on the rack and is provided with a conducting piece for abutting against the connecting part of the product to be tested;

the bearing assembly is arranged at intervals with the needle die in a pressing direction and is provided with a bearing jig for placing the product to be tested, the bearing jig can controllably bear the product to be tested to be close to the needle die in the pressing direction, and the connecting part of the product to be tested is abutted to the conducting piece so that the product to be tested is in a conducting state, or can be far away from the needle die in the pressing direction so that the product to be tested is in a power-off state.

2. The conduction device according to claim 1, further comprising a pressing assembly provided on a side of the stage where the needle mold is provided, and spaced apart from the carrier jig in the pressing direction;

the pressing component is provided with a plurality of pressing pieces, and the pressing pieces can controllably move along the pressing direction relative to the bearing jig and abut against the product to be detected when the product to be detected is in the conducting state so as to press the product to be detected on the bearing jig.

3. The conduction device of claim 1, wherein the carrier assembly further comprises a carrier, the carrier fixture is fixedly arranged on the carrier, and the carrier can controllably reciprocate together with the carrier fixture along the pressing direction.

4. A conduction device as claimed in claim 3, wherein the carrier is provided with at least two oppositely disposed positioning elements, and the at least two oppositely disposed positioning elements are formed with a positioning gap for limiting the load-bearing jig therein.

5. The conduction device according to claim 1, wherein the carrying jig is provided with at least one positioning hole, the rack is provided with a positioning column corresponding to the positioning hole, and the positioning column can be inserted into the corresponding positioning hole when the carrying jig approaches the needle mold along the pressing direction, so as to guide and position the carrying jig.

6. The conduction device according to claim 1, wherein a limit groove is formed on a side, close to the pin die, of the bearing jig, and the limit groove is used for limiting the product to be tested therein.

7. The conduction device according to claim 6, wherein the carrying jig comprises a body and at least two crimping members, the limiting groove is formed in the body, each crimping member is movably connected to the body and is disposed at an edge of the limiting groove, and the crimping members are used for abutting against the product to be tested when the product to be tested is limited in the limiting groove so as to limit displacement of the product to be tested in the pressing direction.

8. The conduction device according to claim 1, wherein a cavity is formed in a side, close to the bearing jig, of the needle mold, the conduction member is disposed in the cavity, and the cavity is used for accommodating a connecting portion of the product to be tested.

9. The conduction device according to claim 8, wherein the cavity is provided with a chamfer at the edge of its opening.

10. A test device comprising a test element and a conducting means according to any one of claims 1 to 9, the test element being arranged in spaced relation to the conducting means, the test element being arranged to test the product to be tested when the product is crimped in the conducting means.