CN218566751U

CN218566751U - Pressfitting detection tool reaches PCB board pressfitting machine including it

Info

Publication number: CN218566751U
Application number: CN202223043540.7U
Authority: CN
Inventors: 刘永贵; 徐冬云
Original assignee: Suzhou Xinmingyue Automation Technology Co ltd
Current assignee: Suzhou Xinmingyue Automation Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-03
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a pressfitting detection tool reaches PCB board pressfitting machine including it, pressfitting detection tool include the cope match-plate pattern, still include a plurality of pressfitting dynamometry module, pressfitting dynamometry module with the cope match-plate pattern is connected, and pressfitting dynamometry module includes: one end of the pressure contact head, which is far away from the upper template, can be contacted with an element to be pressed; the pressure contact head is in sliding connection with the sliding rod and can axially move along the sliding rod; one end of the sliding rod is connected with the pressure sensor; and the spring is arranged between the pressure sensor and the pressure contact and sleeved on the sliding rod. Therefore, when the pressing detection jig is close to the element to be pressed, the pressing contact applies acting force close to the pressure sensor to the spring, then the pressure sensor is pressed, the pressure value of the position where the pressing contact is located can be sensed, the pressure is uniformly adjusted according to the pressure value, the stress of each pressing point on the PCB is uniform, and the rejection rate is reduced.

Description

Pressfitting detection tool reaches PCB board pressfitting machine including it

Technical Field

The utility model relates to a PCB board pressfitting field specifically is a pressfitting detection tool reaches PCB board pressfitting machine including it.

Background

The PCB is called a printed circuit board, also called a printed circuit board or a printed circuit board, is an important electronic component, is a support for electronic components, and is a provider for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

The existing PCB needs to stack and align different elements in sequence during processing, and is pressed and molded at a certain temperature and pressure through a pressing jig, a plurality of pressure points are generally arranged on the PCB, and in the pressing and molding process, the pressure of each pressure point cannot be tested, so that when the pressure value of each pressure point is too large, the pressure value of each area cannot be accurately known, the accurate adjustment of the pressure cannot be realized, uneven stress is caused on the PCB, and the rejection rate is increased.

SUMMERY OF THE UTILITY MODEL

For having a plurality of pressure points on overcoming generally among the above-mentioned background art PCB board, at the in-process of pressfitting shaping, can't test the pressure of each pressure point for when the pressure value of each pressure point differs too big, can't learn the pressure value and adjust pressure, cause the atress on the PCB board uneven, lead to the shortcoming that the rejection rate risees, the utility model aims to provide a pressfitting detection tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pressing detection jig, which comprises an upper template and a plurality of pressing force measuring modules, wherein the upper template can be connected with the output end of a driving device, the pressing force measuring modules are connected with the upper template,

the pressfitting dynamometry module includes:

one end of the pressure contact head, which is far away from the upper template, can be contacted with an element to be pressed;

the pressure contact head is in sliding connection with the sliding rod and can axially move along the sliding rod;

one end of the sliding rod is connected with the pressure sensor;

the spring, the spring sets up between pressure sensor and the crimping contact, the spring cover is established on the slide bar.

The beneficial effects of the utility model reside in that: when being close to the component of treating the crimping with pressfitting detection tool, the crimping contact applys the effort that is close to pressure sensor to the spring, exerts pressure to pressure sensor then, can respond to the pressure value of this crimping contact position, through setting up a plurality of pressfitting dynamometry modules, can measure the pressure value of a plurality of positions on the PCB board, and then, follow-up pressure to PCB man-hour carries out accurate adjustment, guarantees that each pressure point atress on the PCB board is even, reduces the rejection rate.

In some possible embodiments, the press-fit force-measuring module further includes a support base, and the support base is connected to the upper mold plate and the pressure sensor, respectively.

In some possible embodiments, the device further comprises a sliding block connected with the press contact, and a guide rail arranged in cooperation with the sliding block, wherein the guide rail is connected with the supporting seat, and the guide rail is in accordance with the arrangement direction of the sliding rod. Therefore, under the matching of the sliding block and the guide rail, the stability of the pressure sensor to the pressure contact in the moving process can be ensured when the upper template moves.

In some possible embodiments, the sliding rod is sleeved with a first test strip and a second test strip, the spring is located between the first test strip and the second test strip, the first test strip is arranged close to the pressure sensor, and the second test strip is arranged close to the pressure contact head. Thus, the first test strip can be brought into contact with one end of the pressure sensor by the elastic force of the spring, and the second test strip can be brought into contact with one end of the pressure contact by the elastic force of the spring, thereby enabling the transmission of force from the pressure contact to the pressure sensor.

In some possible embodiments, an adjustment cavity into which the sliding rod extends is provided on the crimp contact.

In some possible embodiments, a limiting member is disposed at an end of the sliding rod close to the press contact head, and the limiting member is located in the adjusting cavity.

In some possible embodiments, a wire take-up groove located near the pressure sensor is further arranged on the supporting seat, and a margin is arranged between a notch of the wire take-up groove and the supporting seat.

In some possible embodiments, the outer surface of the press contact is further provided with a silicone protective head.

In some possible embodiments, the press contacts are staggered with respect to each other. Therefore, on the premise of ensuring the uniform distribution of the pressure contact heads, the arrangement number of the pressure contact heads can be increased to the maximum extent, so that the measurement of pressure values of more points is met.

The second aspect of the utility model provides a PCB board pressfitting machine is still provided, PCB board pressfitting machine includes foretell pressfitting detection tool.

Drawings

Fig. 1 is a schematic view of an overall structure of a press-fit detection fixture according to a first embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of a press-fit detection fixture according to a first embodiment of the present invention;

fig. 3 is a schematic view of an overall structure of a press-fit force measuring module according to a first embodiment of the present invention;

fig. 4 is a schematic view of an overall structure of a press-fit force measuring module according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the first embodiment of the present invention in which the press-contact terminals are staggered.

In the figure: 1. mounting a template; 2. pressing the contact head; 3. a slide bar; 31. a spring; 4. a pressure sensor; 5. a supporting seat; 6. a guide rail; 7. a slider; 8. a first test piece; 9. a second test piece; 10. a wire take-up groove; 11. a silica gel protective head; 21. adjusting the cavity; 22. a limiting member; 23. and a limiting plate.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

The first embodiment is as follows:

the problems of the prior art are as follows: generally, multiple elements need to be pressed on the PCB, and in the pressing and forming process, the pressure of each pressing point cannot be tested, so that when the pressure value of each pressing point is too large, the pressure value cannot be obtained to adjust the pressure, uneven stress on the PCB is caused, and the rejection rate is increased.

In order to solve the above technical problem, the present invention provides an embodiment. Referring to fig. 1 and fig. 2, this embodiment provides a pressfitting detection tool, including cope match-plate pattern 1, cope match-plate pattern 1 can be connected with drive arrangement's output, still includes a plurality of pressfitting dynamometry module, pressfitting dynamometry module with cope match-plate pattern 1 is connected, the utility model discloses a pressfitting detection tool can drive pressfitting dynamometry module under external drive arrangement's effect and remove to the direction of being close to or keeping away from the component of treating the crimping.

In some embodiments, referring to FIG. 3, the compression force module comprises: a pressure contact head 2, a slide rod 3, a pressure sensor 4 and a spring 31. The pressure contact head 2 is in sliding connection with the sliding rod 3, and one end of the pressure contact head 2, which is far away from the upper template 1, can be in contact with a PCB to be pressed; one end of the slide bar 3 is connected with the pressure sensor 4; the spring 31 is sleeved on the sliding rod 3 and is arranged between the pressure sensor 4 and the pressure contact 2.

The utility model discloses a drive arrangement drives cope match-plate pattern 1 and a plurality of pressfitting dynamometry module and pushes down, when being close to pressfitting detection tool to the PCB board of waiting to crimp, press contact 2 to apply the effort that is close to pressure sensor 4 to spring 31, exert pressure to pressure sensor 4 then, can respond to the test to the pressure value of this press contact 2 place position, just so can come to unify the adjustment to pressure according to the pressure value of knowing, each pressure point atress on the assurance PCB board is even, the reduction in the number of rejects.

On the basis of the above embodiment, referring to fig. 3 and fig. 4, the press-fit force measuring module further includes a support base 5, the support base 5 is connected with the upper die plate 1, and the support base 5 is detachably connected with the pressure sensor 4. Therefore, the pressure sensor 4 can be detached from the press-fit force measuring module, the pressure sensor 4 is convenient to maintain and replace, and the number and the positions of the press-fit force measuring module are adjusted according to requirements.

On the basis of the above embodiment, referring to fig. 3 and fig. 4, the press-fit force measuring module further includes a slider 7 connected to the press contact head 2, and a guide rail 6 disposed in cooperation with the slider 7, wherein the guide rail 6 is connected to the support base 5, and the guide rail 6 is disposed in the same direction as the slide bar 3. In some embodiments, the support seat 5 is entirely "L" shaped, comprising a first plate connected to the pressure sensor 4 and a second plate extending towards the element to be crimped, on which the guide 6 is arranged. By adopting the structural design, the integral structure of the press-fit force measuring module is more compact and integrated, and the press-fit force measuring module is convenient to be integrally disassembled and assembled.

In the process of pressing the PCB by the pressure contact head 2, because the pressure contact head 2 is connected with the sliding block 7, when the PCB is pressed, the pressure contact head 2 is not moved downwards after being contacted with the PCB, subsequently, the pressure sensor 4 is moved towards the direction close to the pressure contact head 2 along with the downward movement of the upper template 1 under the guiding of the guide rail 6, at the moment, the spring 31 is in a contraction state between the pressure contact head 2 and the pressure sensor 4, therefore, the pressure sensor 4 is stressed, and under the matching of the sliding block 7 and the guide rail 6, the pressure value tested by the pressure sensor 4 can be ensured to be more accurate.

On the basis of the above embodiment, referring to fig. 3, a first test strip 8 and a second test strip 9 are sleeved on the sliding rod 3, a spring 31 is located between the first test strip 8 and the second test strip 9, the first test strip 8 is disposed near the pressure sensor 4, and the second test strip 9 is disposed near the pressure contact head 2. Thus, the first test piece 8 can be brought into contact with one end of the pressure sensor 4 by the elastic force of the spring 31, and the second test piece 9 can be brought into contact with one end of the crimp contact 2 by the elastic force of the spring 31.

Because the two ends of the spring 31 are irregular, the stress between the first test piece 8 and the pressure sensor 4 and between the second test piece 9 and the press contact 2 are not uniform, and the stress is uniform in the process of pressure testing through the first test piece 8 and the second test piece 9, so that the testing accuracy is improved.

On the basis of the above embodiment, referring to fig. 3 and fig. 4, an adjusting cavity 21 into which the sliding rod 3 extends is provided on the press contact head 2.

The adjustment cavity 21 is intended to ensure that the range of movement of the slide 3 is within the elastic limits of the spring 31.

On the basis of the above embodiment, referring to fig. 3 and fig. 4, a limiting member 22 is disposed at one end of the sliding rod 3 close to the press contact head 2, and the limiting member 22 is located in the adjusting cavity 21.

The limiting member 22 is to prevent the sliding rod 3 from falling off from the adjusting cavity 21, and correspondingly, a limiting member 23 capable of abutting against the limiting member 22 is disposed on a side of the press contact 2 away from the PCB. Therefore, when the press-fit detection jig is moved away from the PCB, the limiting member 22 abuts against the limiting plate 23, and further drives the press contact head 2 to move synchronously without contacting the PCB. In some embodiments, the retaining member 22 may be a nut.

On the basis of the above embodiment, referring to fig. 3 and fig. 4, the supporting seat 5 is further provided with a wire take-up groove 10 located near the pressure sensor 4, and a margin is provided between a notch of the wire take-up groove 10 and the supporting seat 5.

The wire rewinding groove 10 is used for storing the wire harness on the pressure sensor 4, and the allowance is set so that the wire harness can be conveniently placed into the wire rewinding groove 10.

On the basis of the above embodiment, referring to fig. 3 to 5, the outer surface of the pressure contact head 2 is further provided with a silicone protection head 11. The purpose of the silicone protective head 11 is to prevent damage to the PCB during the press-fitting process.

On the basis of the above-mentioned embodiment, referring to fig. 5, the press contacts 2 are arranged in a staggered manner. Therefore, the pressure contact heads 2 are distributed and arranged reasonably, and pressure values of more points are tested in a limited space. In some embodiments, the surface of the press contact 2 near one end of the PCB is "L" shaped, so that after two adjacent press contacts 2 are staggered, a greater number of press contacts 2 can be distributed in the same area, thereby satisfying the determination of pressure values at more points.

Example two

The embodiment is a PCB board laminating machine, which comprises a laminating detection jig of the first embodiment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a pressfitting detection tool, includes cope match-plate pattern (1), cope match-plate pattern (1) can be connected its characterized in that with drive arrangement's output: also comprises a plurality of pressing force measuring modules which are connected with the upper template (1),

the pressfitting dynamometry module includes:

the pressing contact head (2), one end of the pressing contact head (2) far away from the upper template (1) can be contacted with an element to be pressed;

the sliding rod (3), the pressure contact head (2) is in sliding connection with the sliding rod (3), and the pressure contact head (2) can move axially along the sliding rod (3);

the pressure sensor (4), one end of the said slide bar (3) is connected with said pressure sensor (4);

the spring (31), spring (31) set up between pressure sensor (4) and crimping contact (2), spring (31) cover is established on slide bar (3).

2. The press fit detection jig of claim 1, wherein: the pressing force measuring module further comprises a supporting seat (5), and the supporting seat (5) is connected with the upper template (1) and the pressure sensor (4) respectively.

3. The press fit detection jig according to claim 2, wherein: the device is characterized by further comprising a sliding block (7) connected with the pressure contact head (2) and a guide rail (6) which is matched with the sliding block (7), wherein the guide rail (6) is connected with the supporting seat (5), and the guide rail (6) is consistent with the arrangement direction of the sliding rod (3).

4. The press fit detection jig according to claim 1, characterized in that: the cover is equipped with first test piece (8) and second test piece (9) on slide bar (3), spring (31) are located the centre of first test piece (8) and second test piece (9), first test piece (8) are close to pressure sensor (4) set up, second test piece (9) are close to press contact head (2) to set up.

5. The press fit detection jig of claim 1, wherein: and an adjusting cavity (21) for the sliding rod (3) to extend into is arranged on the pressure contact head (2).

6. The press fit detection jig of claim 5, wherein: one end, close to the pressure contact head (2), of the sliding rod (3) is provided with a limiting part (22), and the limiting part (22) is located in the adjusting cavity (21).

7. The press fit detection jig according to claim 2, characterized in that: the supporting seat (5) is further provided with a wire winding groove (10) located near the pressure sensor (4), and allowance is arranged between a notch of the wire winding groove (10) and the supporting seat (5).

8. The press fit detection jig of claim 1, wherein: the outer surface of the pressure contact head (2) is also provided with a silica gel protection head (11).

9. The press fit detection jig of claim 1, wherein: the press contact heads (2) are arranged in a staggered mode.

10. The utility model provides a PCB board pressfitting machine which characterized in that: the PCB board pressing machine comprises the pressing detection jig of any one of claims 1 to 9.