CN211741489U

CN211741489U - Hand tool is prevented pressing from both sides by sucking disc formula

Info

Publication number: CN211741489U
Application number: CN201922034586.4U
Authority: CN
Inventors: 席阳洋; 范晓东; 张敏; 李莲; 张建鹏; 徐兆乾
Original assignee: Anhui Ruiyu Chuangke Technology Co ltd
Current assignee: Anhui Ruiyu Chuangke Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-23
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a hand tool is prevented pressing from both sides by sucking disc formula. By a support plate for supporting PCBA, be used for testing PCBA's probe and constitute, the probe is in the below setting of support plate, its characterized in that: the support plate comprises support plate body, the sucking disc that is used for adsorbing PCBA, the reference column that is used for fixing a position PCBA, the groove of dodging that is used for protecting PCBA components and parts, the probe via hole that is used for the probe to pass through, the probe comprises the probe body, is used for the drive the probe body is close to or keeps away from PCBA's driving piece and constitutes. The utility model discloses can solve the not enough of prior art.

Description

Hand tool is prevented pressing from both sides by sucking disc formula

Technical Field

The utility model relates to a tool technical field, concretely relates to hand tool is prevented pressing from both sides by sucking disc formula.

Background

With the rapid development of the electronic industry, the requirements on the reliability and accuracy of the electronic test tool are higher and higher. In the field of television manufacturing, an intermediate stage of production requires a functional test on a printed Circuit Board assembly (pcba). In the conventional scheme, as shown in fig. 1, a lower pressing plate 01 is pressed down to a PCBA and a carrier plate 02 (the PCBA is on the carrier plate), and the carrier plate 02 is sunk to make a probe 03 contact with the PCBA for testing.

A similar scheme is currently widely adopted, which is prone to cause the following problems: the lower pressing plate is not protected when pressed downwards, so that clamping accidents are easily caused; when the PCBA is placed and taken out, the PCBA is easy to collide with the lower pressing plate, so that PCBA components are damaged and even the PCBA is scrapped; the carrier plate is supported by a light spring and is easy to press down, and the probe is easily exposed after the carrier plate is pressed down to stab an operator in the process of picking up and cleaning the operator.

Disclosure of Invention

Not enough to prior art, the utility model discloses a hand tool is prevented pressing from both sides by sucking disc formula can solve the not enough of prior art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a hand tool is prevented pressing from both sides by sucking disc formula comprises support PCBA's support plate, the probe that is used for testing PCBA, the probe is in the below setting of support plate, the support plate by support plate body, be used for adsorbing PCBA's sucking disc, be used for fixing a position PCBA's reference column, be used for protecting PCBA components and parts dodge the groove, be used for the probe via hole that the probe passes through and constitute, the probe is by the probe body, be used for the drive the probe body is close to or keeps away from PCBA's driving piece and constitutes.

According to the technical scheme, the sucking disc passes through the below of support plate the support plate body extends to the top of support plate body, the one end of sucking disc with the upper surface of support plate body flushes the setting, the other end of sucking disc is connected with the vacuum pump, and is a plurality of the sucking disc is in support plate body interval sets up.

According to the preferable technical scheme, the positioning columns are fixedly connected with the upper surface of the support plate body, the support plate body is arranged to be a rectangle matched with the PCBA, and the positioning columns are arranged at the top points of the support plate body respectively.

According to the preferable technical scheme, the avoiding groove is formed by downwards sinking the upper surface of the carrier plate body, and the avoiding groove is arranged at intervals along two mutually perpendicular directions in the plane where the carrier plate body is located.

According to the preferable technical scheme, the probe holes penetrate through the upper surface and the lower surface of the carrier plate body, and the probe holes are arranged at intervals in the plane where the carrier plate body is located.

According to the preferable technical scheme, the driving piece comprises an air cylinder, a guide pillar and a needle plate, the probe body is arranged on the upper surface of the needle plate, the guide pillar penetrates through the needle plate to be connected with the carrier plate body, the guide pillar is connected with the needle plate in a sliding mode, and an output shaft of the air cylinder is connected with the lower surface of the needle plate.

The utility model discloses a hand tool is prevented pressing from both sides by sucking disc formula has following advantage:

in the process of placing and taking away the PCBA, the space above the carrier plate is liberated due to the absence of the traditional lower press plate, so that the placing and taking away of the PCBA are more convenient, the condition that the PCBA collides with the lower press plate can be effectively avoided, and the damage to the PCBA is prevented, and the service life of the PCBA is prolonged.

In the detection process, because there is not traditional holding down plate, adopt the sucking disc to fix PCBA, can avoid taking the key factor of PCBA process tong, improved the security performance of operation, effectively avoided operating personnel injured.

In the technical scheme of this application, detach other time quantum of test process, the probe is all hidden in support plate below, inside the frock tool to avoid appearing the probe and stabbing operating personnel, take place accidents such as firing pin, further improved the security performance of operation, increased the life of probe.

Meanwhile, due to the fact that the upper pressing plate structure is not arranged, the size of the jig is greatly reduced, particularly in the height direction, the height of the jig is reduced in response, the portability of the jig is improved, and the jig is convenient to store and store.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of a conventional jig;

fig. 2 is a top view of an embodiment of the invention;

fig. 3 is a cross-sectional view of an embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a hand tool is prevented pressing from both sides by 12 formulas of sucking disc comprises the support plate that is used for supporting PCBA, the probe that is used for testing PCBA, the probe is in the below setting of support plate, the support plate comprises support plate body 11, the sucking disc 12 that is used for adsorbing PCBA, the reference column 13 that is used for fixing a position PCBA, the groove 14 of dodging that is used for protecting PCBA components and parts, the probe via hole 15 that is used for the probe to pass through, the probe is by probe body 21, be used for the drive probe body 21 is close to or keeps away from PCBA's driving piece and constitutes.

In order to fix the PCBA, the sucking disc 12 by the below of support plate is passed the support plate body 11 extends to the top of support plate body 11, the one end of sucking disc 12 with the upper surface of support plate body 11 flushes the setting to guarantee the roughness of support plate body 11 upper surface, avoid damaging the PCBA or jack-up the PCBA and influence the location of PCBA at support plate body 11 upper surface, the other end of sucking disc 12 is connected with the vacuum pump, and is a plurality of sucking disc 12 is in support plate body 11 interval sets up.

The PCBA is sucked on the upper surface of the carrier plate body 11 by controlling the suction cup 12 to be connected with a vacuum pump for vacuum pumping, so that the PCBA is fixed. Get rid of the holding down plate in this scheme to avoided the influence that the holding down plate caused, and then reduced the volume of tool, avoided PCBA impaired, improved operation process's factor of safety.

In order to facilitate the positioning of the PCBA on the carrier plate, the positioning columns 13 are fixedly connected with the upper surface of the carrier plate body 11, the carrier plate body 11 is configured as a rectangle matched with the PCBA, and the positioning columns 13 are respectively arranged at the vertexes of the carrier plate body 11. The locating range of the PCBA is defined through the locating columns 13, the PCBA can be conveniently and quickly located and aligned on the support plate, meanwhile, the PCBA is prevented from being dislocated, and therefore the installation efficiency is improved, and the adsorption process of the suckers 12 is more accurate.

In order to avoid the components on the PCBA, the avoiding groove 14 is formed by the downward depression of the upper surface of the carrier body 11 in the plane of the carrier body 11, the avoiding groove 14 is arranged along two mutually perpendicular directions at intervals. Thereby guarantee simultaneously that components and parts are unsettled at the length direction and the width direction of support plate, avoid components and parts pressurized or impaired.

In order to facilitate the contact between the probe and the PCBA to complete the detection operation, the probe holes penetrate through the upper surface and the lower surface of the carrier body 11, and the probe holes are arranged at intervals in the plane of the carrier body 11.

In order to drive the probe to contact or be far away from the PCBA, the driving piece is composed of an air cylinder 23, a guide post 24 and a needle plate 22, the probe body 21 is arranged on the upper surface of the needle plate 22, the guide post 24 penetrates through the needle plate 22 and is connected with the carrier plate body 11, the guide post 24 is in sliding connection with the needle plate 22 so as to guide the needle plate 22 to drive the probe to contact or be far away from the PCBA, and an output shaft of the air cylinder 23 is connected with the lower surface of the needle plate 22 so as to drive the needle plate 22 to drive the probe to contact or be far away.

The working process is described as follows: placing the PCBA on the carrier plate, avoiding the components on the PCBA through the PCBA avoiding groove 14, limiting the position of the PCBA through the PCBA positioning column 13, arranging a microswitch 31 on the upper surface of the carrier plate body 11, and closing the microswitch under the action of gravity pressing of the PCBA; the tool fixture is started (manually pressed by a button for starting), after the tool fixture is placed in place, the microswitch 31 is communicated with a power supply and an operation indication (in test) lamp is turned on, and the suction disc 12 pumps the vacuum adsorption PCBA through a pump and the like; after the adsorption is finished, starting the air cylinder 23 to push the needle plate 22, enabling the probe on the needle plate 22 to contact with the test point on the PCBA through the probe through hole 15, and starting the test process; after the test is finished, the air cylinder 23, the needle plate 22 and the probe move downwards, after the air cylinder 23 is in place, the suction disc 12 stops sucking through the operation of a pump and the like, the action 11 is finished, and at the moment, a test cycle is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a hand tool is prevented pressing from both sides by sucking disc formula comprises support PCBA's support plate, the probe that is used for testing PCBA, the probe is in the below setting of support plate, its characterized in that: the support plate comprises support plate body, the sucking disc that is used for adsorbing PCBA, the reference column that is used for fixing a position PCBA, the groove of dodging that is used for protecting PCBA components and parts, the probe via hole that is used for the probe to pass through, the probe comprises the probe body, is used for the drive the probe body is close to or keeps away from PCBA's driving piece and constitutes.

2. The suction cup type anti-pinch jig of claim 1, which is characterized in that: the sucking disc by the below of support plate is passed the support plate body extends to the top of support plate body, the one end of sucking disc with the upper surface of support plate body flushes the setting, the other end of sucking disc is connected with the vacuum pump, and is a plurality of the sucking disc is in the support plate body interval sets up.

3. The suction cup type anti-pinch jig of claim 1, which is characterized in that: the positioning columns are fixedly connected with the upper surface of the support plate body, the support plate body is arranged into a rectangle matched with the PCBA, and the positioning columns are arranged at the top points of the support plate body respectively.

4. The suction cup type anti-pinch jig of claim 1, which is characterized in that: the avoiding groove is formed by downward depression of the upper surface of the carrier plate body, and is arranged along two mutually perpendicular directions at intervals in the plane where the carrier plate body is located.

5. The suction cup type anti-pinch jig of claim 1, which is characterized in that: the probe through holes penetrate through the upper surface and the lower surface of the carrier plate body, and the probe through holes are arranged at intervals in the plane where the carrier plate body is located.

6. The suction cup type anti-pinch jig of claim 1, which is characterized in that: the driving piece is composed of an air cylinder, a guide pillar and a needle plate, the probe body is arranged on the upper surface of the needle plate, the guide pillar penetrates through the needle plate to be connected with the carrier plate body, the guide pillar is connected with the needle plate in a sliding mode, and an output shaft of the air cylinder is connected with the lower surface of the needle plate.