CN111757610A

CN111757610A - PCB has stress to press from both sides tight frock assembly devices

Info

Publication number: CN111757610A
Application number: CN201910247709.4A
Authority: CN
Inventors: 叶清平; 郭广辉; 汤昌忠
Original assignee: Shenzhen Kaifa Technology Co Ltd
Current assignee: Shenzhen Kaifa Technology Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-10-09

Abstract

The invention discloses a PCB stress clamping tool assembly mechanism, which comprises: can bear plummer, horizontal telescopic machanism, the mechanism that opens and shuts of frock open and shut the mechanism and be in the frock is arranged in behind the plummer with a set of elastic clamping structure cooperation on the frock, and can drive under the horizontal telescopic machanism effect a set of elastic clamping structure pulls open so that put into the PCB board arrive on the frock, and after the PCB board is put into the horizontal telescopic machanism effect drives down a set of elastic clamping structure draws close in order to press from both sides tightly the PCB board, this mechanism can be fine carry out automatic butt joint with automatic production line and realize automated production, solve the stress and press from both sides the frock and open the operation process who puts into the PCB board again with spring clamp locating pin in the manual work, the manual work has stress to press from both sides the frock and because there is the manual work to have the problem that the frock is difficult to put into with the PCB board in spring stress.

Description

PCB has stress to press from both sides tight frock assembly devices

Technical Field

The invention relates to the field of PCB manufacturing, in particular to an assembling mechanism of a PCB stress clamping tool.

Background

At present, the SMT (Surface Mount Technology, Surface Mount Technology or Surface Mount Technology) section PCB board in the electronic manufacturing process enters the production line in two ways:

one is that a PCB board (without a tool) enters a solder paste printing patch line, namely the edge of the PCB board is used as a support to enter a production line flow channel;

the other method is that a tool bears a PCB and enters a solder paste printing patch line, and the tool is divided into a non-stress clamping tool fixing PCB and a stress clamping tool fixing PCB. The stress-free clamping tool is used for placing the PCB into the tool, the PCB is positioned by the positioning pin on the tool and then fixed by the silicon steel sheet on the upper cover of the PCB, the stress clamping tool needs to manually stretch the spring clamping positioning pin and then place the spring clamping positioning pin into the PCB, and then the spring positioning pin fixes the PCB.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an assembling mechanism for a stress clamping tool of a PCB, aiming at the defect that the stress clamping tool is difficult to operate manually in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: construct a PCB and have stress clamping frock assembly devices, include:

the bearing table can bear the tool;

a horizontal telescoping mechanism;

the opening and closing mechanism is used for arranging the tool behind the bearing table and matching with a group of elastic clamping structures on the tool, and can drive the group of elastic clamping structures to be opened so as to put the PCB into the tool under the action of the horizontal telescopic mechanism, and drive the group of elastic clamping structures to be closed to clamp the PCB after the PCB is put into the tool under the action of the horizontal telescopic mechanism.

Preferably, the horizontal telescopic mechanism comprises a first cylinder arranged below the bearing table.

Preferably, the opening and closing mechanism comprises a set of clamping arms corresponding to the set of elastic clamping structures;

the clamping arms are provided with elastic clamping positioning pins matched with the corresponding elastic clamping structures, and the group of clamping arms are connected with the bearing table and arranged in a relative sliding mode; the horizontal telescopic mechanism extends out to push the group of clamping arms to slide and pull open so as to drive the group of elastic clamping structures to pull open; when the horizontal telescopic mechanism retracts, the group of clamping arms can be pulled to slide and reset to be close, so that the group of elastic clamping structures are driven to reset to a close state to clamp the PCB.

Preferably, the top of plummer is used for placing the frock, the bottom of plummer is provided with the slide rail, the centre gripping arm with the slide rail cooperation, the centre gripping arm has one and is located the spacing portion of plummer lateral part, set up in the spacing portion elasticity presss from both sides tight locating pin can pull when horizontal telescopic machanism retracts a set of centre gripping arm reset to spacing portion with the position that the plummer lateral part supported.

Preferably, sliding grooves are formed in two ends of the tool, the elastic clamping positioning pins penetrate through the sliding grooves and then are matched with the corresponding elastic clamping structures, and when the group of clamping arms slide, the elastic clamping positioning pins can slide in the sliding grooves.

Preferably, still include a supporting bench and vertical elevating system, the plummer is arranged in on the supporting bench, vertical elevating system is located the plummer below, vertical elevating system can with the plummer jack-up leaves the supporting bench and will the plummer is put back the supporting bench.

Preferably, the vertical lifting mechanism is a second cylinder, the second cylinder is located below the supporting table, and the supporting table is provided with a window through which the second cylinder can pass.

Preferably, still including setting up the third cylinder of brace table side, the third cylinder stretches out and can tentatively fix a position the frock.

Preferably, the bearing table is provided with a tooling positioning pin for positioning the tooling and a PCB positioning pin for positioning the PCB.

The PCB stress clamping tool assembly mechanism has the following beneficial effects: this mechanism can be fine carry out automatic butt joint with automatic production line and realize automated production, arrange the plummer in at the frock after, a set of elastic clamping structure cooperation on mechanism and the frock of opening and shutting, and can drive under the horizontal telescopic machanism effect a set of elastic clamping structure pulls open so that put into the PCB board arrive on the frock, and the PCB board is in after putting into drive under the horizontal telescopic machanism effect a set of elastic clamping structure draws close in order to press from both sides tightly the PCB board to it has the tight frock of stress clamp to solve the artifical operation in-process who opens the tight locating pin of spring clamp and put into the PCB board again, and the manual work has the tight frock of stress clamp and because there is the artifical problem that is difficult to put into the frock with the PCB board in spring stress.

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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:

FIG. 1 is a schematic structural diagram of one embodiment of a PCB stressed clamp tooling assembly mechanism of the present invention;

fig. 2 is an exploded view of one embodiment of a PCB stressed clamp tooling assembly mechanism of the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various components, but the components are not limited by the terms. These terms are used only for the purpose of distinguishing one constituent element from other constituent elements. For example, a first component may be named a second component, and similarly, a second component may also be named a first component, without departing from the scope of the present invention.

The general idea of the invention is as follows: construct a PCB and have stress clamping frock assembly devices, it includes: the bearing platform, the horizontal telescopic mechanism and the opening and closing mechanism of the tool can be borne, the opening and closing mechanism is in the tool is arranged behind the bearing platform and matched with a group of elastic clamping structures on the tool, the horizontal telescopic mechanism can drive the group of elastic clamping structures to be pulled open so as to put a PCB on the tool, and the PCB is driven under the action of the horizontal telescopic mechanism to be drawn close to clamp the PCB.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limited to the technical solutions of the present application, and the technical features of the embodiments and examples of the present invention may be combined with each other without conflict.

Referring to fig. 1-2, fig. 1 is a schematic structural view of an embodiment of a PCB with stress clamp tool assembly mechanism of the present invention, and fig. 2 is an exploded view of an embodiment of a PCB with stress clamp tool assembly mechanism of the present invention.

The PCB of this embodiment has stress clamping frock assembly devices to include: plummer 1, brace table 4, vertical elevating system 5, horizontal telescopic machanism 2, mechanism 3 opens and shuts. It should be noted that the support table 4 and the vertical lifting mechanism 5 in this embodiment are mainly configured to interface with some specific production lines, and are not necessarily required.

The stress clamping tool 100 can be carried by the bearing table 1, specifically, the bearing table 1 is a horizontal table, and the top of the horizontal table is used for placing the stress clamping tool 100. The top of the bearing table 1 is arranged on a tooling positioning pin 11 for positioning the stress clamping tooling 100 and a PCB positioning pin 12 for positioning the PCB 200. Positioning holes matched with the tool positioning pins 11 are formed in the tool 100 and the PCB 200, and positioning holes matched with the PCB positioning pins 12 are formed in the tool 100 and the PCB 200.

There is stress to press from both sides both ends about tight frock 100 and have a set of elastic clamping structure (not shown), and a set of elastic clamping structure is relative to be set up, and behind plummer 1 was arranged in to frock 100, opening and shutting mechanism 3 can with a set of elastic clamping structure cooperation on the frock 100, and can horizontal telescopic machanism 2 effects drive down a set of elastic clamping structure pulls open so that put into PCB board 200 arrive on the frock 100, and after PCB board 200 put into drive under the horizontal telescopic machanism 2 effects a set of elastic clamping structure draws close in order to press from both sides tightly PCB board 200.

In this embodiment, the horizontal telescopic mechanism 2 includes a first cylinder disposed below the plummer 1. The opening and closing mechanism 3 comprises a group of clamping arms corresponding to the group of elastic clamping structures, and the group of clamping arms are arranged oppositely.

The centre gripping arm is provided with the elasticity that presss from both sides tight structure complex with the elasticity that corresponds and presss from both sides tight locating pin 31, a set of centre gripping arm with plummer 1 is connected and relative slip sets up. Specifically, the bottom of plummer 1 is provided with the slide rail, the horizontal part of centre gripping arm with the slide rail cooperation. The clamping arm is provided with a vertically arranged limiting part positioned on the side part of the bearing table 1, and the elastic clamping positioning pin 31 is vertically arranged on the limiting part. The left end and the right end of the fixture 100 are both provided with sliding grooves for providing a space for the elastic clamping positioning pin 31 to move, when the fixture 100 is not placed, the limiting part of the clamping arm abuts against the side part of the bearing table 1, after the fixture 100 is placed, the elastic clamping positioning pin 31 on the limiting part penetrates through the sliding grooves on the fixture 100 and then is matched with a corresponding elastic clamping structure (not shown) on the fixture 100, and when the set of clamping arms slide, the elastic clamping positioning pin 31 can slide in the sliding grooves.

The first cylinder stretches out to push the group of clamping arms to slide and pull open so as to drive the group of elastic clamping structures to pull open. When retracting, the first cylinder can pull the group of clamping arms to slide and reset to close, so that the group of elastic clamping structures are driven to reset to a closed state to clamp the PCB 200, and meanwhile, the clamping arms reset to the position where the limiting parts abut against the side part of the bearing platform 1.

In this embodiment, the supporting platform 4 can be used to place the bearing platform 1, and the supporting platform 4 is specifically similar to a desk and has four supporting posts 41. The vertical lifting mechanism 5 is located below the bearing table 1, and the vertical lifting mechanism 5 is a second cylinder in this embodiment. The second cylinder is specifically located below the supporting table 4, the supporting table 4 is provided with a window through which the second cylinder can pass, and the second cylinder can pass through the window to jack up the bearing table 1 to leave the supporting table 4 and place the bearing table 1 back to the supporting table 4. The guide post 7 is connected with the bearing table 1 after penetrating through the support table 4, and the guide post 7 is used for ensuring the stable vertical movement of the second cylinder.

Preferably, the fixture further comprises a third air cylinder 6 arranged beside the support table 4, and the third air cylinder 6 extends out to be capable of preliminarily positioning the fixture.

The working process of the embodiment is as follows:

1) initially, the first cylinder is in a retraction state, the limiting part of the clamping arm abuts against the side part of the bearing table 1, the third cylinder 6 extends out to initially position the stress clamping tool 100, and the second cylinder extends out to jack up the bearing table 1;

2) after the stress clamping tool 100 is placed on the bearing table 1, a tool positioning pin 11 of the bearing table 1 is matched with a positioning hole corresponding to the stress clamping tool 100 so as to position the tool, a PCB positioning pin 12 of the bearing table 1 penetrates through the positioning hole corresponding to the tool 100, and meanwhile, an elastic clamping positioning pin 31 on a limiting part of a clamping arm penetrates through a sliding groove on the tool and then is matched with a corresponding elastic clamping structure on the tool;

3) the first cylinder extends out to push the clamping arms to slide and pull open, namely the elastic clamping positioning pins 31 on the two clamping arms are relatively pulled open, so as to drive the group of elastic clamping structures to pull open, and the PCB is placed in the clamping arms after being pulled open, the PCB positioning pins 12 of the bearing table 1 sequentially penetrate through the positioning holes corresponding to the stress clamping tool 100 and the positioning holes corresponding to the PCB, so as to position the PCB, and in addition, the tool positioning pins 11 sequentially penetrate through the positioning holes corresponding to the stress clamping tool 100 and the positioning holes corresponding to the PCB;

4) the first cylinder retracts to pull the group of clamping arms to reset to the position where the limiting part abuts against the side part of the bearing table 1, and meanwhile, the elastic clamping structure is driven to reset to the close state to clamp the PCB;

5) the third cylinder 6 retracts, the second cylinder retracts, the stress clamping tool 100 is provided with a PCB to flow into an SMT section production line, the stress clamping tool 100 is opened and closed in an automatic positioning mode, and the mechanism can be well in automatic butt joint with an automatic production line to achieve automatic production.

In summary, the assembly mechanism for the PCB stress clamping tool has the following beneficial effects: this mechanism can be fine carry out automatic butt joint with automatic production line and realize automated production, arrange the plummer in at the frock after, a set of elastic clamping structure cooperation on mechanism and the frock of opening and shutting, and can drive under the horizontal telescopic machanism effect a set of elastic clamping structure pulls open so that put into the PCB board arrive on the frock, and the PCB board is in after putting into drive under the horizontal telescopic machanism effect a set of elastic clamping structure draws close in order to press from both sides tightly the PCB board to it has the tight frock of stress clamp to solve the artifical operation in-process who opens the tight locating pin of spring clamp and put into the PCB board again, and the manual work has the tight frock of stress clamp and because there is the artifical problem that is difficult to put into the frock with the PCB board in spring stress.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a PCB has stress clamping frock assembly devices which characterized in that includes:

the bearing table can bear the tool;

a horizontal telescoping mechanism;

2. The PCB stressed clamp tooling assembly mechanism of claim 1, wherein the horizontal telescoping mechanism comprises a first cylinder disposed below the plummer.

3. The PCB stressed clamping tool assembly mechanism of claim 1, wherein the opening and closing mechanism comprises a set of clamping arms corresponding to the set of elastic clamping structures;

4. The PCB stress clamping tool assembly mechanism of claim 3, wherein the top of the bearing table is used for placing the tool, a slide rail is arranged at the bottom of the bearing table, the clamping arm is matched with the slide rail, the clamping arm is provided with a limiting part positioned at the side part of the bearing table, the limiting part is provided with the elastic clamping positioning pin, and the group of clamping arms can be pulled to reset to the position where the limiting part abuts against the side part of the bearing table when the horizontal telescopic mechanism retracts.

5. The PCB stress clamping tool assembly mechanism of claim 3, wherein sliding grooves are formed in both ends of the tool, the elastic clamping positioning pins are matched with the corresponding elastic clamping structures after penetrating through the sliding grooves, and the elastic clamping positioning pins can slide in the sliding grooves when the group of clamping arms slide.

6. The assembly mechanism of claim 1, further comprising a support platform and a vertical lift mechanism, wherein the carrier is disposed on the support platform, the vertical lift mechanism is disposed below the carrier, and the vertical lift mechanism is capable of lifting the carrier away from the support platform and replacing the carrier back to the support platform.

7. The PCB stress clamping tool assembly mechanism of claim 6, wherein the vertical lifting mechanism is a second cylinder, the second cylinder is located below the support platform, and the support platform is provided with a window through which the second cylinder can pass.

8. The PCB stress clamping tool assembly mechanism of claim 6, further comprising a third cylinder disposed beside the support platform, wherein the third cylinder extends out to initially position the tool.

9. The PCB stress clamping tool assembly mechanism of claim 1, wherein the bearing table is provided with a tool positioning pin for positioning the tool and a PCB positioning pin for positioning the PCB.