A test fixture positioning device

Abstract

In an embodiment of the present application, a test fixture positioning device is provided, which relates to the field of mechanical equipment. It includes a positioning frame and a positioning component, the side wall of the positioning frame is provided with a groove, and the positioning component is arranged in the groove; the positioning component includes a positioning block and a first latch, the positioning block is fixedly connected to the groove, the positioning block is provided with a first latch hole, the side wall of the test fixture is provided with a socket, the first latch hole corresponds to the socket, and the first latch is adapted to the first latch hole and the socket. The positioning frame can be used to preliminarily position the surrounding side of the test fixture. After the test fixture is placed in the positioning frame, the first latch can be inserted into the first latch hole and the socket in turn, so that the test fixture can be positioned and fixed laterally and axially to prevent it from being offset and to prevent the lifting of the bottom device from affecting it. The positioning device of the present application can accurately position and fix the test fixture, and is easy to quickly disassemble and assemble, and has strong practicality.

Description

Technical Field

[0001] The utility model relates to the field of mechanical equipment, in particular to a testing fixture positioning device. Background Art

[0002] Many electronic products have PCBA in their structural parts. Before PCBA is shipped out, the factory will conduct functional tests on it to ensure that the circuit is conductive and the SMD components function normally. In general, special test fixtures are made in the factory for testing.

[0003] Generally, the test jig includes an upper jig mold and a lower jig mold. During the test, the lower jig mold needs to be positioned, the PCBA board is placed on the lower jig mold, and the upper jig mold is moved down by a lifting device to close the mold with the lower jig mold. In this process, it is necessary to ensure that the lower jig mold is accurately positioned and there is no positional offset to ensure accurate closing. In the prior art, a frame structure is generally used to position the lower jig mold, or the lower jig mold is positioned and fixed by a limit block and bolts around it; however, the above-mentioned positioning using a frame structure can only limit the side of the jig, which is easily affected by the lifting device at the bottom of the jig and causes displacement; although the above-mentioned positioning method using limit blocks and bolts can ensure that there is no displacement, it also makes the jig inconvenient to disassemble and assemble. Utility Model Content

[0004] In view of the above problems, embodiments of the present utility model are proposed to provide a test fixture positioning device that overcomes the above problems or at least partially solves the above problems.

[0005] A test fixture positioning device, used for positioning the test fixture, comprises a positioning frame and a positioning component, the side wall of the positioning frame is provided with a groove, and the positioning component is arranged in the groove;

[0006] The positioning assembly includes a positioning block and a first latch, the positioning block is fixedly connected to the groove, the positioning block is provided with a first latch hole, the side wall of the test fixture is provided with a socket, the first latch hole corresponds to the socket, and the first latch is adapted to the first latch hole and the socket.

[0007] Preferably, the positioning assembly also includes a second latch pin, a second latch pin hole is opened on the top of the positioning block, the second latch pin hole is correspondingly located above the first latch pin hole and is connected to the first latch pin; the second latch pin is used to pass through the second latch pin hole and abut against the first latch pin.

[0008] Preferably, the side wall of the first latch pin is provided with an annular groove, and the annular groove corresponds to the second latch pin hole.

[0009] Preferably, a multi-sided groove is formed at one end of the second latch pin, and the other end of the second latch pin is in a cone shape, wherein the cone-shaped end is used for abutting against the first latch pin.

[0010] Preferably, the first latch pin is sequentially inserted into the first latch pin hole and the insertion hole and then fixed by a retaining ring.

[0011] Preferably, the depth of the groove is greater than half the height of the test fixture.

[0012] Preferably, the groove and the positioning block are both U-shaped, and the outer wall of the positioning block fits with the inner wall of the groove.

[0013] Preferably, two first latch holes are provided, and the two first latch holes are respectively located at two ends of the positioning block.

[0014] Preferably, the positioning components are provided in two groups, grooves are provided on opposite sides of the positioning frame, and the two groups of positioning components are respectively arranged in the two grooves.

[0015] The present application specifically includes the following advantages:

[0016] In an embodiment of the present application, a positioning frame and a positioning component are provided on the side wall of the positioning frame with a groove, and the positioning component is provided in the groove; the positioning component includes a positioning block and a first latch, the positioning block is fixedly connected to the groove, the positioning block is provided with a first latch hole, and the side wall of the test fixture is provided with a socket, the first latch hole corresponds to the socket, and the first latch is adapted to the first latch hole and the socket. The positioning frame can be used to preliminarily position the surrounding side of the test fixture, and the positioning component provided on the side wall of the positioning frame, after the test fixture is placed in the positioning frame, by inserting the first latch in the first latch hole and the socket in turn, the test fixture can be positioned and fixed laterally and axially to prevent it from being offset and to prevent the lifting of the bottom device from affecting it; the positioning is facilitated by the latch positioning, so that the test fixture can be quickly disassembled and installed. The positioning device of the present application can accurately position and fix the test fixture, and is convenient for quick disassembly and assembly, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the description of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0018] Figure 1 A schematic diagram of the overall structure of a test fixture positioning device provided by an embodiment of the utility model;

[0019] Figure 2 A partial structural schematic diagram of a test fixture positioning device provided by an embodiment of the utility model;

[0020] Figure 3 A partial structural schematic diagram of a test fixture positioning device provided in an embodiment of the utility model.

[0021] Figure numerals: 10, positioning frame; 11, groove; 21, positioning block; 211, first latch hole; 212, second latch hole; 22, first latch; 221, annular groove; 23, second latch; 231, multi-sided groove; 24, retaining ring; 30, test fixture. DETAILED DESCRIPTION

[0022] In order to make the objects, features and advantages of the present application more obvious and understandable, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0023] Reference Figure 1-Figure 3 , shows a test fixture positioning device of the present utility model, which is used to position the test fixture 30, including a positioning frame 10 and a positioning component, the side wall of the positioning frame 10 is provided with a groove 11, and the positioning component is arranged in the groove 11;

[0024] The positioning assembly includes a positioning block 21 and a first latch 22. The positioning block 21 is fixedly connected to the groove 11. The positioning block 21 is provided with a first latch hole 211. The side wall of the test fixture 30 is provided with a socket. The first latch hole 211 corresponds to the socket. The first latch 22 is adapted to the first latch hole 211 and the socket.

[0025] In the embodiment of the present application, through the positioning frame 10 and the positioning component, the side wall of the positioning frame 10 is provided with a groove 11, and the positioning component is arranged in the groove 11; the positioning component includes a positioning block 21 and a first latch 22, the positioning block 21 is fixedly connected to the groove 11, the positioning block 21 is provided with a first latch hole 211, and the side wall of the test fixture 30 is provided with a plug hole, the first latch hole 211 corresponds to the plug hole, and the first latch 22 is adapted to the first latch hole 211 and the plug hole. The positioning frame 10 can be used to preliminarily position the periphery of the test fixture 30, and the positioning component arranged on the side wall of the positioning frame 10, after the test fixture 30 is placed in the positioning frame 10, by inserting the first latch 22 in the first latch hole 211 and the plug hole in turn, the test fixture 30 can be positioned and fixed laterally and axially to prevent it from being offset and to prevent the lifting of the bottom device from affecting it; through the latch positioning, it is convenient to quickly disassemble and install the test fixture 30. The positioning device of the present application can accurately position and fix the test fixture 30, and is easy to quickly disassemble and assemble, and is highly practical.

[0026] Next, a test fixture positioning device in this exemplary embodiment will be further described.

[0027] In the embodiment of the present application, a groove 11 is provided on the side wall of the positioning frame 10, and the length of the groove 11 is about one-third of the length of the positioning frame 10, so as to facilitate the disassembly of the test fixture 30, and the positioning component is arranged in the groove 11; the positioning frame 10 can be used to preliminarily position the peripheral side of the test fixture 30, and the positioning component can be used to reposition the test fixture 30, accurately positioning it to prevent it from slight displacement.

[0028] The positioning assembly includes a positioning block 21 and a first latch 22, wherein the positioning block 21 is fixedly connected to the groove 11, the groove 11 and the positioning block 21 are both U-shaped, the outer wall of the positioning block 21 fits the inner wall of the groove 11, the positioning block 21 is provided with a first latch hole 211, the side wall of the test fixture 30 is provided with a socket, the first latch hole 211 corresponds to the socket, and the first latch 22 is adapted to the first latch hole 211 and the socket. When the test fixture 30 is placed in the positioning frame 10, the test fixture 30 is connected to the positioning frame 10 by inserting the first latch 22 into the first latch hole 211 and the socket, so that the test fixture 30 can be limited horizontally and vertically to prevent it from shifting horizontally and vertically, and can avoid displacement when the upper mold of the fixture is pressed down, and can also avoid the longitudinal displacement caused by the lifting effect of the bottom of the test fixture 30, so as to quickly and accurately position it.

[0029] As an example, the first plug 22 is inserted into the first plug hole 211 and the plug hole in sequence and then fixed by a retaining ring 24. When the plug is inserted in a fixed position, the retaining ring 24 is set to prevent the plug from continuing to move axially inward so that the end of the plug damages the test fixture 30.

[0030] As an example, the depth of the groove 11 is greater than half the height of the test fixture 30 , so that most of the sidewalls of the test fixture 30 can be exposed to the groove 11 , which facilitates the removal or installation of the test fixture 30 .

[0031] As an example, two first latch holes 211 are provided, and the two first latch holes 211 are respectively located at two ends of the positioning block 21. Since the positioning block 21 has a certain length, the locking effect can be improved by passing the first latch pins 22 at both ends thereof.

[0032] As an example, the positioning components are provided with two groups, and grooves 11 are provided on opposite sides of the positioning frame 10, and the two groups of positioning components are respectively provided in the two grooves 11. By providing two groups of positioning components, the opposite sides of the test fixture 30 are pin-positioned from opposite sides of the positioning frame 10, respectively, so that the stability and positioning effect of positioning can be improved.

[0033] In the embodiment of the present application, the positioning assembly further includes a second latch pin 23. A second latch pin hole 212 is provided at the top of the positioning block 21. The second latch pin hole 212 is located above the first latch pin hole 211 and communicates with the first latch pin hole 211. The second latch pin 23 is used to pass through the second latch pin hole 212 and abut against the first latch pin 22. By arranging the second latch pin 23 to be longitudinally inserted from the top of the positioning block 21, and being perpendicular to and abutting against the first latch pin 22, the first latch pin 22 can be axially limited to prevent the first latch pin 22 from axial displacement and affecting the positioning effect.

[0034] As an example, the side wall of the first latch 22 is provided with an annular groove 221, and the annular groove 221 corresponds to the second latch hole 212. By providing the annular groove 221, the second latch 23 can be limited, that is, after the second latch 23 is inserted into the positioning block 21, its end is inserted into the annular groove 221, thereby further improving the positioning stability between the second latch 23 and the first latch 22.

[0035] As an example, a multi-sided groove 231 is provided at one end of the second plug pin 23, and the other end of the second plug pin 23 is in a conical shape, wherein the conical end is used to abut against the first plug pin 22. By providing the multi-sided groove 231 at one end of the second plug pin 23, the length of the second plug pin 23 can be set to be shorter, so that it can be completely inserted into the positioning block 21, and its exposure is prevented from affecting the clamping of the upper mold and the lower mold of the jig, and the multi-sided groove 231 is provided to facilitate the use of tools to remove it from the positioning block 21. Since the diameter of the second plug pin 23 and the diameter of the annular groove 221 do not necessarily match, in order to prevent the end of the second plug pin 23 from being unable to be inserted into the annular groove 221, the other end of the second plug pin 23 is set to a conical shape, so that it is convenient for it to be inserted into the annular groove 221 provided on the side wall of the first plug pin 22 for limiting.

[0036] Although the preferred embodiments of the utility model embodiments have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the utility model embodiments.

[0037] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0038] The test fixture positioning device provided by the utility model is introduced in detail above. The principle and implementation mode of the utility model are explained in this article by using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. At the same time, for the general technical personnel in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A test fixture positioning device, used for positioning a test fixture, characterized in that: It comprises a positioning frame and a positioning component, the side wall of the positioning frame is provided with a groove, and the positioning component is arranged in the groove; The positioning assembly includes a positioning block and a first latch, the positioning block is fixedly connected to the groove, the positioning block is provided with a first latch hole, the side wall of the test fixture is provided with a socket, the first latch hole corresponds to the socket, and the first latch is adapted to the first latch hole and the socket.

2. The test fixture positioning device according to claim 1, characterized in that: The positioning assembly also includes a second latch pin. A second latch pin hole is formed on the top of the positioning block. The second latch pin hole is located above the first latch pin hole and is connected to the first latch pin. The second latch pin is used to pass through the second latch pin hole and abut against the first latch pin.

3. The test fixture positioning device according to claim 2, characterized in that: The first latch side wall is provided with an annular groove, and the annular groove corresponds to the second latch hole.

4. The test fixture positioning device according to claim 2, characterized in that: A multi-sided groove is formed at one end of the second latch pin, and the other end of the second latch pin is in a cone shape, wherein the cone-shaped end is used to abut against the first latch pin.

5. The test fixture positioning device according to claim 1, characterized in that: The first latch pin is sequentially inserted into the first latch pin hole and the insertion hole and then fixed by a retaining ring.

6. The test fixture positioning device according to claim 1, characterized in that: The depth of the groove is greater than half the height of the test fixture.

7. The test fixture positioning device according to claim 1, characterized in that: The groove and the positioning block are both U-shaped, and the outer wall of the positioning block fits with the inner wall of the groove.

8. The test fixture positioning device according to claim 1, characterized in that: There are two first latch holes, and the two first latch holes are respectively located at two ends of the positioning block.

9. The test fixture positioning device according to claim 1, characterized in that: The positioning components are provided in two groups, and grooves are provided on opposite sides of the positioning frame, and the two groups of positioning components are respectively arranged in the two grooves.

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