CN213934064U

CN213934064U - Function test fixture

Info

Publication number: CN213934064U
Application number: CN202023110283.5U
Authority: CN
Inventors: 李遥峰
Original assignee: Changzhou Bokang Electronic Technology Co ltd
Current assignee: Changzhou Bokang Electronic Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-10
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a functional test tool. The utility model provides a pair of functional test tool, include: a needle plate; the needle plate is movably connected with the box body through the clamping groove; a plurality of guide rods disposed on the upper panel; the pressing plate comprises a plurality of through holes, and the pressing plate is connected with the guide rod in a sliding mode through the through holes; the at least two vertical plates are arranged on the upper panel and are respectively positioned on two sides of the pressing plate; and the quick clamping device is arranged on the vertical plate and is used for driving the pressing plate to slide along the guide rod. The utility model provides a pair of functional test tool, when carrying out the test of different products, only need to change the module of faller, and need not change whole box body, the cost is reduced has also reduced the pollution waste.

Description

Function test fixture

Technical Field

The present invention relates to a testing fixture, and more particularly, to a testing fixture for testing functions of a semiconductor device.

Background

The functional test tool usually includes end box, support plate, faller, day board and push down the device, and the faller sets up on the upper surface of the upper cover plate of end box, and the upper portion of faller is the support plate, and the upper portion of support plate is day board, and push down the device setting on the upper portion of day board for push down day board, the faller on be provided with the probe for the test, the lower part of probe is the needle cover, the needle cover sets up on the lower surface of the upper cover plate of end box, and is connected with the connecting wire, the connecting wire is connected with the binding post that sets up in the inside one side of end box, and binding post connects test element such as computer. In the functional test fixture with the structure, when the pressing device is not in action, the pin plate is not connected with the carrier plate, but the test probes on the pin plate are not in contact with the test points of the product arranged on the carrier plate through the elastic force of the springs arranged on the pin plate or the carrier plate. The functional test tool of above-mentioned structure when carrying out the test of a certain type product, all need make a whole set of test component, like end box, support plate, faller and sky board, changed the product type, just need change a whole set of test component, not only waste time and energy but also increased the cost of tool preparation, reduced production efficiency, a large amount of parts that more change simultaneously also can cause environmental pollution.

Consequently, the cost of manufacture is big among the solution prior art, pollutes extravagant serious problem, the utility model designs a function test tool.

Disclosure of Invention

In view of the shortcoming of above technique, the utility model provides a functional test tool has solved that the cost of manufacture is big among the prior art, pollutes extravagant serious problem, has improved work efficiency. Wherein, the utility model provides a functional test tool, include:

a needle plate;

the needle plate is movably connected with the box body through the clamping groove;

a plurality of guide rods disposed on the upper panel;

the pressing plate comprises a plurality of through holes, and the pressing plate is connected with the guide rod in a sliding mode through the through holes;

the at least two vertical plates are arranged on the upper panel and are respectively positioned on two sides of the pressing plate;

and the quick clamping device is arranged on the vertical plate and is used for driving the pressing plate to slide along the guide rod.

In an embodiment of the present invention, the upper panel is provided with a switch button.

In an embodiment of the present invention, the box further includes:

a lower panel disposed opposite to the upper panel;

the side panel is arranged between the upper panel and the lower panel, the side panel and the lower panel are right-angled, and the side panel is provided with a handle.

In an embodiment of the present invention, the side panel is provided with a power interface.

In an embodiment of the present invention, the quick clamping device includes:

the mounting plate is fixedly arranged on the vertical plate through bolts;

the base is fixedly arranged on the mounting plate;

the quick clamp comprises a quick clamp body, and the quick clamp body is fixedly connected with the base through a bolt.

In an embodiment of the present invention, the quick clamping body includes:

one end of the shaft lever is provided with a screw;

one end of the connecting rod is rotatably connected with the other end of the shaft lever through a screw rod, and the connecting rod rotates through the screw rod;

the movable handle is connected with the other end of the connecting rod through a screw rod.

In an embodiment of the present invention, the movable handle includes a first support rod and a second support rod, the first support rod is connected to the other end of the connecting rod through a screw rod, and the movable handle passes through the screw rod.

The utility model discloses an in one embodiment, the quick-witted body of pressing from both sides still includes a tight structure of clamp, it sets up to press from both sides tight structure on the base, press from both sides tight structure with second branch passes through the screw rod and connects, just second branch passes through the screw rod and rotates.

In an embodiment of the present invention, the function testing jig further includes a support plate, the support plate is disposed between the needle plate and the pressing plate, and the support plate is matched with the needle plate.

In an embodiment of the present invention, the pressing plate faces the pressing rod on one side of the box body.

As described above, the utility model provides a pair of functional test tool through the setting of draw-in groove to and carry out the design of moduleization with faller, support plate and clamp plate, make when carrying out the functional test of different products, only need to change by faller, support plate and clamp plate constitute the module can, and need not change whole box body, whole tool even, practiced thrift the cost of manufacture like this, improved work efficiency, also avoided simultaneously because change a large amount of parts and the excessive waste and the pollution that cause.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

Fig. 1 is a schematic structural view of a function testing jig provided by the present invention;

fig. 2 is a schematic structural view of a quick clamping device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the quick clamp body according to an embodiment of the present invention;

fig. 4 is a schematic view of a needle plate module according to an embodiment of the present invention;

fig. 5 is a front view of a needle plate module in an embodiment of the present invention;

fig. 6 is a top view of a needle plate module according to an embodiment of the present invention;

description of the element reference numerals

1 case 52 base

11 upper panel 53 quick clamp body

12 lower panel 531 axle rod

13 side panel 532 connecting rod

2 guide rod 533 movable handle

3 clamp plate 534 clamping structure

4 vertical plate 6 needle plate

5 quick clamping device 7 carrier plate

51 mounting plate 8 press bar

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

As shown in fig. 1, in an embodiment of the present invention, the function testing jig includes: the box body 1, the guide rod 2, the pressing plate 3, the vertical plate 4, the quick clamping device 5 and the needle plate 6. The upper panel 11 is arranged on the box body 1, the clamping groove is formed in the middle of the upper panel 11, the needle plate 6 is movably connected with the box body 1 through the clamping groove, when different products are tested in functions, the needle plate 6 is placed on the clamping groove, then the products to be tested are placed on the needle plate to be tested, therefore, when other products are tested, the original needle plate 6 is taken down from the clamping groove, and the corresponding needle plate 6 is replaced to carry out related tests, so that the operation is simple, and the manufacturing cost is reduced; the guide rods 2 are arranged on the upper panel 11, and are used for enabling the pressing plate to slide on the guide rods 2, so as to realize downward pressing, in the embodiment, a plurality of guide rods 2 are included, for example, three guide rods are included, and the guide rods 2 are fixed on the upper panel 11 through welding; the pressing plate 3 is arranged above the upper panel 11, a plurality of through holes, such as three through holes, are formed in the pressing plate 3, the pressing plate 3 is connected with the guide rod 2 in a sliding mode through the through holes, and grooves are formed in two sides of the pressing plate 3 respectively and used for facilitating taking and placing when the pressing plate 3 is installed or replaced; the vertical plate 4 is arranged on the upper panel 11, in this embodiment, the vertical plate includes a left vertical plate 4 and a right vertical plate 4, and the two vertical plates 4 are respectively located at two sides of the pressing plate 3; the quick clamping device 5 is arranged on the vertical plate and used for driving the press plate 3 to slide along the guide rod 2, and in the embodiment, the quick clamping device 5 is fixedly connected with the left vertical plate 4 and the right vertical plate 4 through bolts.

In addition, in this embodiment, the box body 1 is a polygonal structure, such as a rectangular parallelepiped structure, a switch button is further disposed on the upper panel 11, and the needle plate 6 can be made of a non-antistatic material, such as a transparent acrylic plate, and has a thickness of 5mm to 10mm, such as 7 mm.

As shown in fig. 1, in an embodiment of the present invention, a box body 1 includes: upper panel 11, lower panel 12, side panels 13. Wherein, upper panel 11 and lower panel 12 parallel arrangement relatively, side panel 13 sets up between upper panel 11 and side panel 12, and side panel 13 all becomes the right angle with upper panel 11, lower panel 12, and in this embodiment, side panel upper 13 is equipped with a handle and power source, and power source is used for external power source to supply power.

As shown in fig. 1 to 2, in an embodiment of the present invention, the quick clamping device 5 includes: mounting plate 51, base 52, quick-witted clamp body 53. Wherein, the mounting plate 51 is arranged on the vertical plate 4 through a bolt; the base 52 is fixed on the mounting plate 51, in the embodiment, the size of the base 52 is smaller than that of the mounting plate 51, and the base 52 is fixed on the mounting plate 51 through bolts; the size of quick clamp body 53 is less than the size of base 52, and quick clamp body 53 passes through bolt fixed connection with base 52, and quick clamp body 53 is used for promoting clamp plate 3, makes clamp plate 3 slide along guide arm 2 to this realization pressfitting makes the product that awaits measuring and faller 6 abundant stationary contact, ensures the accuracy of test.

As shown in fig. 1 to 3, in an embodiment of the present invention, the quick clamp body 53 further includes: shaft 531, link 532, movable handle 533, and clamping structure 534. Wherein, one end of the shaft lever 531 close to the pressing plate 3 is provided with a screw, when the quick clamp body 53 is adjusted to make the shaft lever 531 move downwards, the screw gradually contacts with the pressing plate 3 and pushes the pressing plate 3 to press downwards; one end of the connecting rod 532 is connected with one end of the shaft 531 far away from the pressing plate 3, in this embodiment, the shaft 531 and the connecting rod 532 are connected by a screw, and the connecting rod 532 can rotate by the screw, and according to the difference of the products to be measured, the quick clamping body 53 is properly adjusted to rotate the connecting rod 532 and drive the shaft 531 to move, so that the products to be measured are in stable contact with the needle plate 6; the movable handle 533 includes a first supporting rod and a second supporting rod, the first supporting rod is connected to the other end of the connecting rod 532 through a bolt, and can rotate through the bolt, in addition, the clamping structure 534 is disposed on the base 52, and the clamping structure 534 is connected to the second supporting rod through a screw, so as to ensure the stability of the quick clamping body 53.

As shown in fig. 4 to 6, in an embodiment of the present invention, when a functional test is required to be performed on a product, the needle plate 6 is first disposed on the engaging groove of the upper panel 11, then a carrier plate 7 with a product to be tested is placed on the needle plate 6, the needle plate 6 is provided with a probe and a probe hole, the probe is contacted with a test point on the carrier plate 7, meanwhile, a plurality of pressing rods 8 are arranged on the lower surface of the pressing plate 3, after the carrier plate 7 and the needle plate 6 are placed, the pressing plate 3 is pushed to slide downwards by the quick clamping device 5, the pressing rod 8 is driven to gradually move downward and press the carrier plate, so that the testing point on the carrier plate 7 is fully contacted with the probe on the needle plate 6, thereby the testing can be performed, when different products need to be tested, the carrier plates 7 and the needle plates 6 are taken down from the clamping grooves one by one and replaced, in other embodiments, a plurality of springs are provided on the needle board 6, by means of which the press-fit separation of the carrier board 7 from the needle board 6 can be controlled. In the present embodiment, the size of the presser plate 3 is smaller than that of the needle plate 6, and the size of the carrier plate 7 is identical to that of the presser plate 3, so that the carrier plate 7 is uniformly stressed.

As described above, the utility model provides a pair of functional test tool through the setting of draw-in groove to and carry out the design of moduleization with faller, support plate and clamp plate, make when carrying out the functional test of different products, only need to change by faller, support plate and clamp plate constitute the module can, and need not change whole box body, whole tool even, practiced thrift the cost of manufacture like this, improved work efficiency, also avoided simultaneously because change a large amount of parts and the excessive waste and the pollution that cause. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above description is only a preferred embodiment of the present application and a description of the applied technical principle, and it should be understood by those skilled in the art that the scope of the present invention related to the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above features with (but not limited to) technical features having similar functions disclosed in the present application. Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims

1. A kind of function test fixture, characterized by that, it includes at least:

a needle plate;

a plurality of guide rods disposed on the upper panel;

2. The functional test fixture of claim 1, wherein: and the upper panel is provided with a switch button.

3. The functional test fixture of claim 1, wherein the box body further comprises:

a lower panel disposed opposite to the upper panel;

4. The functional test fixture of claim 3, wherein: and the side panel is provided with a power interface.

5. The functional test fixture of claim 1, wherein the quick clamping device comprises:

the mounting plate is fixedly arranged on the vertical plate through bolts;

the base is fixedly arranged on the mounting plate;

6. The functional test fixture of claim 5, wherein the quick clamp body comprises:

one end of the shaft lever is provided with a screw;

7. The functional test fixture of claim 6, wherein: the movable handle comprises a first supporting rod and a second supporting rod, the first supporting rod is connected with the other end of the connecting rod through a screw rod, and the movable handle rotates through the screw rod.

8. The functional test fixture of claim 7, wherein: the quick clamp body further comprises a clamping structure, the clamping structure is arranged on the base, the clamping structure is connected with the second supporting rod through a screw rod, and the second supporting rod rotates through the screw rod.

9. The functional test fixture of claim 1, wherein: the function test fixture further comprises a support plate, wherein the support plate is arranged between the needle plate and the pressing plate and is matched with the needle plate.

10. The functional test fixture of claim 9, wherein: and a pressing rod is arranged on one surface of the pressing plate facing the box body.