Automatic clamping device for upper die of PCBA (Printed Circuit Board Assembly) test fixture

Abstract

The embodiment of the utility model provides an automatic clamping device for an upper die of a PCBA test fixture, and relates to the field of mechanical equipment. Comprising at least two sets of clamping assemblies which are oppositely arranged, each clamping assembly comprises a telescopic driving part, a clamping part and a limiting block, one end of each telescopic driving part is hinged to one end of the corresponding clamping part, the other end of each clamping part is provided with a check block, and the check blocks are used for limiting a test jig upper die; the limiting block is hinged between the two ends of the clamping piece; the clamping and loosening state of the check block on the test fixture upper die corresponds to the telescopic state of the telescopic driving piece. Through the above structure, rapid clamping and loosening of the test fixture upper die can be realized, the structure is simple, the operation is convenient and rapid, and the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment field especially is a kind of PCBA test fixture upper die automatic clamping device. BACKGROUND

[0002] In the process of electronic industry high-speed development, PCBA has become the important carrier of hardware in server architecture, and in the process of PCBA production and manufacturing in factory or in the process of automatic assembly, PCBA board needs to be functionally detected.

[0003] In the process of PCBA board function detection, generally, the upper die of test fixture is fixed by equipment clamping, and then the test lower die with PCBA board is placed and tested after being combined with the upper die;But the test upper die of existing equipment is generally fixed by bolt, and the structure is complex and the operation is tedious. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model embodiment is provided to overcome the above problems or at least partially solve the above problems.

[0005] A kind of PCBA test fixture upper die automatic clamping device, it includes at least two groups of oppositely arranged clamping components, the clamping component includes telescopic drive, clamping piece and limit block, one end of the telescopic drive is hinged with one end of the clamping piece, the other end of the clamping piece is equipped with stopper, and the stopper is used to clamp and limit the upper die of test fixture;The two ends of the clamping piece are hinged to the limit block;

[0006] The clamping and loosening state of the stopper to the upper die of test fixture corresponds to the telescopic state of the telescopic drive;The clamping piece is rotated on the limit block by the telescopic drive of the telescopic drive, to realize the clamping and loosening of the upper die of test fixture.

[0007] Preferably, it further includes fixed plate, the telescopic drive and the limit block are connected to the fixed plate, and the limit block is located at the edge of the fixed plate.

[0008] Preferably, the limit block is provided with through hole, the clamping piece is arranged in the through hole and is hinged with the inner wall of the through hole, one end of the clamping piece is located at one side of the fixed plate and is hinged with the telescopic drive, and one end of the clamping piece is located at the other side of the fixed plate.

[0009] Preferably, the clamping piece and the stopper are integrally connected and form a bending shape towards the inside of the fixed plate.

[0010] Preferably, the clamping component is provided with four groups, and four groups of the clamping component are respectively arranged on opposite sides of the fixed plate and close to the corner position.

[0011] Preferably, one end of the telescopic driving member away from the clamping member is hinged to a fixing seat, and the fixing seat is fixed to the fixing plate.

[0012] Preferably, the telescopic driving member is a telescopic cylinder.

[0013] Preferably, the contact surface of the stop block is provided with a rubber layer.

[0014] Preferably, a sensor is embedded in the rubber layer, and the sensor is used to detect the positioning of the upper mold of the PCBA test fixture.

[0015] The application specifically includes the following advantages:

[0016] In the embodiment of the application, through at least two groups of oppositely arranged clamping assemblies, the clamping assembly comprises a telescopic driving member, a clamping member and a limiting block, one end of the telescopic driving member is hinged to one end of the clamping member, the other end of the clamping member is provided with a stop block, and the stop block is used to limit the upper mold of the test fixture; the two ends of the clamping member are hinged to the limiting block; the clamping member is rotated on the limiting block through the telescopic driving of the telescopic driving member, so as to realize the clamping and loosening of the upper mold of the test fixture. Through the telescopic driving of the telescopic driving member, the clamping member connected with the telescopic driving member is rotated on the limiting block, so that the end of the clamping member provided with the stop block is rotated inward or outward, when rotated inward, the clamping of the upper mold of the test fixture can be realized, and when rotated outward, the loosening of the upper mold of the test fixture can be realized; the application can realize the quick clamping and loosening of the upper mold of the test fixture through the above structure, the structure is simple, the operation is convenient and fast, and thus the test efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the application, the following will briefly introduce the drawings needed to be used in the description of the application. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can also be obtained by those skilled in the art without any creative labor.

[0018] Fig. 1 The structure schematic view of the PCBA test fixture upper mold automatic clamping device provided by the embodiment of the application is shown in the figure.

[0019] Fig. 2 The structure schematic view of the PCBA test fixture upper mold automatic clamping device provided by the embodiment of the application after installation is shown in the figure.

[0020] The figure mark: 10, clamping assembly; 11, telescopic driving member; 12, clamping member; 13, limiting block; 131, through hole; 132, rubber layer; 14, stop block; 20, fixing plate; 21, fixing seat; 30, lifting device. DETAILED DESCRIPTION

[0021] In order to make the objectives, characteristics and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below in combination with the drawings and specific embodiments. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Reference Figs. 1-2 The utility model discloses a kind of PCBA test fixture upper mould automatic clamping devices, it includes at least two groups of oppositely arranged clamping components 10, the clamping component 10 includes telescopic driving part 11, clamping piece 12 and limit block 13, one end of the telescopic driving part 11 is hinged with one end of the clamping piece 12, the other end of the clamping piece 12 is equipped with stopper 14, the stopper 14 is used to clamp and limit for test fixture upper mould;Clamping piece 12 is hinged between two ends to the limit block 13;

[0023] The clamping and loosening state of the stopper 14 to the test fixture upper mould corresponds to the telescopic state of the telescopic driving part 11, and the clamping piece 12 is rotated on the limit block 13 by the telescopic driving of the telescopic driving part 11, to realize the clamping and loosening of test fixture upper mould.

[0024] In the embodiments of the present application, by at least two groups of oppositely arranged clamping components 10, the clamping component 10 includes telescopic driving part 11, clamping piece 12 and limit block 13, one end of the telescopic driving part 11 is hinged with one end of the clamping piece 12, the other end of the clamping piece 12 is equipped with stopper 14, the stopper 14 is used to limit for test fixture upper mould;Clamping piece 12 is hinged between two ends to the limit block 13;The clamping piece 12 is rotated on the limit block 13 by the telescopic driving of the telescopic driving part 11, to realize the clamping and loosening of test fixture upper mould. By the telescopic driving of telescopic driving part 11, the clamping piece 12 connected with it is rotated on the limit block 13, so that one end of the clamping piece 12 provided with stopper 14 rotates inward or outward, when rotating inward, it can realize the clamping of test fixture upper mould, when rotating outward, it can realize the loosening of test fixture upper mould;The present application can realize the quick clamping and loosening of test fixture upper mould by the above structure, simple structure, convenient and fast operation, to improve test efficiency.

[0025] In the following, a PCBA test fixture upper mould automatic clamping device in the present exemplary embodiment will be further described.

[0026] In the embodiment of the present application, the clamping assembly 10 comprises a telescopic driving member 11, a clamping member 12 and a limiting block 13, one end of the telescopic driving member 11 is hinged to one end of the clamping member 12, wherein the telescopic driving member 11 is a telescopic air cylinder, and the clamping member 12 is driven to swing back and forth by the telescopic driving of the telescopic air cylinder; the other end of the clamping member 12 is provided with a stop block 14, the stop block 14 is used for limiting the test fixture upper mold; the clamping member 12 is hinged to the limiting block 13 between the two ends, the limiting block 13 plays a fixed supporting role on the clamping member 12, the clamping member 12 is hinged to the limiting block 13, and the hinge point serves as a fulcrum, so that the two ends of the clamping member 12 can swing back and forth under the telescopic driving of the telescopic air cylinder, and the end provided with the stop block 14 can realize the purpose of clamping and loosening the test fixture upper mold through the process of swinging back and forth.

[0027] In the embodiment of the present application, a fixed plate 20 is further included, the telescopic driving member 11 and the limiting block 13 are connected to the fixed plate 20, one end of the telescopic driving member 11 away from the clamping member 12 is hinged to a fixed seat 21, and the fixed seat 21 is fixed to the fixed plate 20; since the telescopic driving member 11 is arranged obliquely, when it telescopes, the telescopic end will inevitably be lifted upward, and the telescopic driving member 11 is hinged to the fixed plate 20 through the fixed seat 21, thereby facilitating the flexible telescoping of the telescopic driving member 11; the limiting block 13 is located at the edge of the fixed plate 20, the fixed plate 20 is used for mounting the telescopic driving member 11 and the limiting block 13, and the limiting block 13 is arranged at the edge of the fixed plate 20, so that the clamping member 12 is also located at the edge of the fixed plate 20, that is, the test fixture upper mold is clamped and fixed from the opposite edges of the fixed plate 20.

[0028] As an example, the limiting block 13 is provided with a through hole 131, the clamping member 12 is arranged in the through hole 131 and is hinged to the inner wall of the through hole 131, one end of the clamping member 12 is located at one side of the fixed plate 20 and is hinged to the telescopic driving member 11, and the other end of the clamping member 12 is located at the other side of the fixed plate 20. The clamping member 12 is directly arranged in and hinged to the through hole 131 of the limiting block 13, swings in the through hole 131, and the limiting block 13 can limit the clamping member 12; and the two ends of the clamping member 12 are located at the upper side and the lower side of the fixed plate 20 respectively, and the lower side is the clamping side of the test fixture.

[0029] As an example, the clamping member 12 and the stop block 14 are integrally connected and are bent towards the inner side of the fixed plate 20, that is, an L-shaped structure is formed, and the two opposite inclined L-shaped clamping members 12 can clamp the test fixture upper mold when swinging inward simultaneously, and the stop block 14 can prevent the test fixture upper mold from falling off, thereby improving the clamping effect.

[0030] As an example, the clamping assembly 10 is provided with four groups, and the four groups of clamping assemblies 10 are respectively arranged on opposite sides of the fixed plate 20 and close to the four corners. Through the four groups of clamping assemblies 10, the four corner positions of the test fixture upper mold can be clamped and fixed at the same time, and the clamping stability is improved.

[0031] As an example, the contact surface of the stop block 14 is provided with a rubber layer 132, and the rubber layer 132 has a certain softness, which can prevent the test fixture upper mold from being damaged during clamping.

[0032] As an example, the rubber layer 132 is embedded with a sensor, and the sensor is used to detect the positioning of the test fixture upper mold. The sensor can be a laser sensor. When the test fixture upper mold is detected to enter the stop block 14, the telescopic driving part 11 is controlled to operate, so as to drive the clamping part 12 to clamp the test fixture upper mold.

[0033] In the embodiment of the present application, the fixed plate 20 is installed on the lifting device 30 of the equipment, and the fixed plate 20 is driven to move upward or downward by the lifting device 30. After the test fixture upper mold is clamped, the mold can be closed with the test fixture lower mold. The lifting device 30 is not limited in the embodiment of the present application, and can be any lifting device 30 applicable in the prior art, such as Fig. 2 As shown in FIG. 4, the automatic clamping device of the present application is installed on a lifting device 30.

[0034] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic creative concept. Therefore, the appended claims are intended to cover all changes and modifications falling within the scope of the embodiments of the present application.

[0035] Finally, it should be noted that in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or terminal device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or terminal device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or terminal device including the element.

[0036] The above has carried out the detailed introduction to the automatic clamping device of the PCBA test fixture upper die provided by the utility model, the principle and implementation mode of the utility model have been described in this paper by applying specific examples, the above embodiment description is only used for helping understanding the method and core idea of the utility model; meanwhile, for the general technical personnel in the art, according to the idea of the utility model, there will be changes in the specific implementation mode and application range, and the above, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. An automatic clamping device for the upper mold of a PCBA test fixture, characterized in that, The device includes at least two sets of clamping assemblies arranged opposite each other. Each clamping assembly includes a telescopic drive member, a clamping member, and a limiting block. One end of the telescopic drive member is hinged to one end of the clamping member, and the other end of the clamping member is provided with a stop block. The stop block is used to clamp and limit the upper mold of the test fixture. The two ends of the clamping member are hinged to the limiting block. The clamping and releasing states of the stop block on the upper mold of the test fixture correspond to the telescopic drive member's telescopic state.

2. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 1, characterized in that, It also includes a fixed plate, the telescopic drive and the limiting block are connected to the fixed plate, and the limiting block is located at the edge of the fixed plate.

3. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 2, characterized in that, The limiting block has a through hole, the clamping member passes through the through hole and is hinged to the inner wall of the through hole, one end of the clamping member is located on one side of the fixed plate and is hinged to the telescopic drive member, and the other end of the clamping member is located on the other side of the fixed plate.

4. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 2, characterized in that, The clamping member and the stop block are integrally connected and are bent toward the inside of the fixing plate.

5. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 2, characterized in that, The clamping assembly is provided in four sets, and the four sets of clamping assemblies are respectively arranged on opposite sides of the fixing plate and near the four corners.

6. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 2, characterized in that, The end of the telescopic drive member away from the clamping member is hinged to the fixed base, and the fixed base is fixed to the fixed plate.

7. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 1, characterized in that, The telescopic drive component is a telescopic cylinder.

8. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 1, characterized in that, The contact surface of the stop block is provided with a rubber layer.

9. The automatic clamping device for the upper mold of the PCBA test fixture according to claim 8, characterized in that, A sensor is embedded in the rubber layer, which is used to detect the positioning of the upper mold of the test fixture.

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