CN111787712A - PCB and elastic clamping tool assembly system - Google Patents

Abstract

The invention discloses a PCB and elastic clamping tool assembly system, which comprises: the assembling mechanism is used for assembling the tool and the PCB; the tool feeding mechanism is used for feeding a stack of tools to be fed to the assembling mechanism one by one; the PCB feeding mechanism is used for conveying a stack of PCBs to be fed to a designated position; the PCB conveying mechanism is used for transferring the whole stack of PCBs to the assembling mechanism one by one from the designated position, the system can realize the assembly of the PCBs and the tool, and can be automatically butted with an automatic production line to realize automatic production; moreover, the problem that the stress clamping tool is difficult to operate manually and the PCB is difficult to place manually due to spring stress in the operation process that the spring clamping positioning pin is opened and then placed into the PCB by the stress clamping tool can be solved.

Description

PCB and elastic clamping tool assembly system

Technical Field

The invention relates to the field of PCB manufacturing, in particular to a PCB and elastic clamping tool assembling system.

Background

At present SMT (Surface Mount Technology, Surface equipment technique or Surface mounting technique) automatic production line PCB board is mostly assembled into an organic whole with tool (frock) and flows into the production line together, for solving SMT anterior segment production line PCB tool automated production feed, the elasticity presss from both sides tight frock needs the manual work to open spring clamp locating pin and puts into the PCB board again, fix the PCB board by spring locating pin again, the manual work is difficult to operate has stress clamping frock and because there is the manual work to put into elasticity clamping frock with the PCB board in spring stress existence in this operation process.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an assembly system of a PCB board and an elastic clamping tool, aiming at the above-mentioned defects in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: construct a PCB board and tight frock equipment system of elasticity clamp, include:

assembly devices for the assembly of frock and PCB board includes: the tool is matched with a group of elastic clamping structures on the tool after being arranged on the bearing table, the group of elastic clamping structures can be driven to be pulled open under the action of the horizontal telescopic mechanism so as to put a PCB on the tool, and the group of elastic clamping structures are driven to be drawn close under the action of the horizontal telescopic mechanism after the PCB is put in so as to clamp the PCB;

the tool feeding mechanism is used for feeding a stack of tools to be fed to the assembling mechanism one by one;

the PCB feeding mechanism is used for conveying a stack of PCBs to be fed to a designated position;

and the PCB conveying mechanism is used for transferring the whole stack of PCB boards to the assembling mechanism one by one from the designated position.

Preferably, each both sides of frock have the flange respectively, frock feed mechanism includes:

the tool conveying mechanism is used for conveying the tool falling onto the tool conveying mechanism to the assembling mechanism;

the material stopping mechanisms can be drawn together and pulled apart through horizontal expansion, and flanges on two sides of a tool which is the last to last in the whole stack of tools are respectively placed on the material stopping mechanisms;

the material supporting mechanism is positioned below the whole stack of tools and can lift in the vertical direction, the height difference between the material supporting mechanism and the whole stack of tools is larger than the height difference between the tool conveying mechanism and the whole stack of tools, and the material supporting mechanism can support the whole stack of tools until the penultimate tool leaves the stock stop mechanism so as to facilitate the pulling open of the group of stock stop mechanisms; and lowering the whole stack of tools to enable the group of stock stop mechanisms to be close and extend into the space between flanges at two sides of the first tool and the second tool from the last to the last, so that the second tool from the last to the last is placed on the group of stock stop mechanisms after the stock stop mechanisms are reset, and the first tool from the last falls into the tool conveying mechanism.

Preferably, the material supporting mechanism comprises a material supporting cylinder and a group of material receiving cylinders, the group of material receiving cylinders are respectively positioned at the left side and the right side of the material supporting cylinder, and the material supporting cylinder extends out to support the whole stack of tools until the tool which is the last tool to the last is separated from the material blocking mechanism; the group of material receiving cylinders extend out, and the material supporting cylinders retract to lower the whole stack of tools; the retraction of the material receiving cylinder can realize resetting.

Preferably, the tool conveying mechanism comprises a group of first rails, a group of tool conveying belts and a blocking and positioning cylinder which are arranged in parallel, and the group of tool conveying belts are correspondingly arranged on the group of first rails;

assembly devices block the location cylinder hold in the palm the material cylinder and a set of material receiving cylinder all is located between a set of frock conveyor belt, block the location cylinder setting and be in the assembly devices rear and can stretch out the back will frock on the belt blocks assembly devices top, hold in the palm the material cylinder and a set of material receiving cylinder is located assembly devices the place ahead, block the location cylinder and stretch out and to be in with the belt frock preliminary location is in assembly devices top position.

Preferably, the tool conveying mechanism further comprises a runner width adjusting mechanism, the runner width adjusting mechanism is connected with the group of first rails at the same time, and the distance between the group of first rails can be adjusted through telescopic movement.

Preferably, the assembly devices further comprise a support table and an upper and lower air cylinder, the bearing table is arranged on the support table, the upper and lower air cylinder is located below the support table, the support table is provided with a window through which the upper and lower air cylinder can pass, and the upper and lower air cylinder can lift the bearing table away from the support table so that the tool above the bearing table falls into the bearing table.

Preferably, the top of the bearing table is used for placing the tool, the horizontal telescopic mechanism comprises an opening and closing cylinder arranged below the bearing table, a slide rail is arranged at the bottom of the bearing table, the opening and closing mechanism comprises a group of clamping arms corresponding to the group of elastic clamping structures, the clamping arms are matched with the slide rail, each clamping arm is provided with a limiting part positioned at the side part of the bearing table, and an elastic clamping positioning pin matched with the corresponding elastic clamping structure is arranged on each limiting part;

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 the position where the limiting part abuts against the side part of the bearing table, so that the group of elastic clamping structures are driven to reset to the close state to clamp the PCB.

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, the PCB feeding mechanism includes: the device comprises a group of second rails, a group of feeding cylinders, a jacking mechanism, a lateral positioning cylinder and a transverse positioning cylinder, wherein the second rails are arranged in parallel;

the last PCB in the whole stack of PCBs is placed on the group of feeding cylinders and can move to the position above the jacking mechanism along with the extension of the group of feeding cylinders; the jacking mechanism can jack up the whole stack of PCB boards above the jacking mechanism; the lateral positioning cylinder and the transverse positioning cylinder are located on two adjacent sides above the jacking mechanism and used for simultaneously extending out after the whole stack of PCB is jacked so as to position the PCB to fetch the PCB by waiting for the PCB conveying mechanism.

Preferably, the PCB conveying mechanism includes: the third rail, the moving module, the sliding table cylinder, the vacuum generating device and a vacuum chuck controlled by the vacuum generating device;

the utility model discloses a PCB board assembly machine, including first track, second track, slip table cylinder, vacuum generating device, vacuum chuck, slip table cylinder, vacuum chuck, and vacuum chuck, it installs to remove the module on the second track and can follow the second track slides between PCB feed mechanism top and assembly devices top, slip table cylinder, vacuum generating device install on removing the module, vacuum chuck installs on the slip table cylinder, vacuum chuck can be along with stretch out and withdrawal of slip table cylinder reciprocate in the vertical direction to when removing the module and removing to PCB feed mechanism top, through descending from whole pile of PCB board on absorb a PCB board at top and rise after absorbing the PCB board.

The PCB and elastic clamping tool assembly system has the following beneficial effects: the system can realize the assembly of the PCB and the tool, and can be automatically butted with an automatic production line to realize automatic production; and, after the plummer was arranged in to the frock, a set of elasticity on mechanism and the frock of opening and shutting pressed from both sides the structure cooperation, and can drive under the horizontal telescoping mechanism effect a set of elasticity presss from both sides the structure and pulls open so that put into the PCB board arrive on the frock, and after the PCB board was put into horizontal telescoping mechanism effect drives under the action a set of elasticity presss from both sides the tight structure and draws close in order to press from both sides tightly the PCB board to solve the tight frock of stress clamp and in the manual work had the operation process who opens the spring clamp locating pin and put into the PCB board again, the manual work has the tight frock of stress clamp and because there is the manual work problem that is difficult to put into the frock with the PCB board in the 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 an embodiment of a PCB and elastic clamping tool assembly system according to the present invention;

FIG. 2 is a schematic structural view of an assembly mechanism;

fig. 3 is an exploded view of the assembly mechanism.

FIG. 4 is a schematic structural view of a tooling feeding mechanism;

FIG. 5 is an enlarged view of area A of FIG. 4;

FIG. 6 is a schematic structural diagram of a PCB loading mechanism;

FIG. 7 is a schematic structural view of a PCB transport mechanism;

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 should be understood that the embodiments and specific features in the embodiments of the present invention are described in detail in the present application, but not limited to the present application, and the features in the embodiments and specific features in the embodiments of the present invention may be combined with each other without conflict.

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.

Referring to fig. 1, the PCB and elastic clamping tool assembly system of the present embodiment includes: the PCB assembling device comprises an assembling mechanism 4 used for assembling a PCB and a tool, a stack of tools used for treating feeding, a tool feeding mechanism 1 of the assembling mechanism 4, a PCB feeding mechanism 2 used for conveying the stack of PCBs to be fed to an appointed position, and a PCB conveying mechanism 3 used for transferring the whole stack of PCBs to the assembling mechanism 4 one by one from the appointed position.

As shown in fig. 1, in this embodiment, the whole system is disposed on a rack 5, the tool feeding mechanism 1 and the assembling mechanism 4 are aligned, and the assembling mechanism 4 is located substantially behind the tool feeding mechanism 1. The PCB feeding mechanism 2 is roughly arranged side by side with the left and right sides of the tool feeding mechanism 1, and the PCB conveying mechanism 3 is positioned above the PCB feeding mechanism 2 and the assembling mechanism 4.

Referring to fig. 2 to 3, the fitting mechanism 4 of the present embodiment includes: a bearing table 41, a support table 44, an up-down air cylinder 145, a horizontal telescopic mechanism 42 and an opening-closing mechanism 43.

The bearing table 41 can bear the stress clamping tool 100, specifically, the bearing table 41 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 41 is arranged on a tooling positioning pin 411 for positioning the stress clamping tooling 100 and a PCB positioning pin 412 for positioning the PCB 200. Positioning holes matched with the tool positioning pins 411 are formed in the tool 100 and the PCB 200, and positioning holes matched with the PCB positioning pins 412 are formed in the tool 100 and the PCB 200.

The left end and the right end of the tooling 100 are provided with a group of elastic clamping structures (not shown), the group of elastic clamping structures are arranged oppositely, after the tooling 100 is arranged on the bearing table 41, the opening and closing mechanism 43 can be matched with the group of elastic clamping structures on the tooling 100, and can drive the group of elastic clamping structures to be opened and closed under the action of the horizontal telescopic mechanism 42 so as to put the PCB 200 on the tooling 100, and after the PCB 200 is put in, the horizontal telescopic mechanism 42 drives the group of elastic clamping structures to be closed to clamp the PCB 200.

In this embodiment, the horizontal telescopic mechanism 42 includes an opening and closing cylinder disposed below the bearing platform 41. The opening and closing mechanism 43 includes a set of holding arms corresponding to the set of elastic clamping structures, and the holding arms are arranged oppositely.

The clamping arms are provided with elastic clamping positioning pins 431 matched with corresponding elastic clamping structures, and the group of clamping arms is connected with the bearing table 41 and arranged in a relative sliding mode. Specifically, the bottom of the bearing table 41 is provided with a slide rail, and the horizontal part of the clamping arm is matched with the slide rail. The clamping arm is provided with a vertically arranged limiting part positioned on the side part of the bearing table 41, and the elastic clamping positioning pin 431 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 moving space for the elastic clamping positioning pin 431, when the fixture 100 is not placed, the limiting part of the clamping arm abuts against the side part of the bearing table 41, after the fixture 100 is placed, the elastic clamping positioning pin 431 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 group of clamping arms slide, the elastic clamping positioning pin 431 can slide in the sliding grooves.

The opening and closing cylinder 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 opening and closing cylinder 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 200, and meanwhile, the clamping arms reset to the position where the limiting parts abut against the side parts of the bearing table 41.

In the embodiment, the supporting platform 44 can be used for placing the bearing platform 41, and the supporting platform 44 is specifically configured like a table and has four supporting posts 441. The up-down cylinder 145 is located below the bearing table 41. The up-down cylinder 145 is specifically located below the support table 44, the support table 44 is provided with a window through which the up-down cylinder 145 can pass, the up-down cylinder 145 can pass through the window to jack up the bearing table 41 to leave the support table 44 and to put the bearing table 41 back to the support table 44, and after being jacked up, the up-down cylinder 145 can jack up the bearing table 41 to leave the support table 44, so that the tool 100 located above the whole assembly mechanism 4 falls onto the bearing table 41. The guide posts 47 pass through the support table 44 and then are connected to the plummer 41, and the guide posts 47 ensure stable vertical movement of the up-down air cylinders 145.

Referring to fig. 4 to 5, the tool feeding mechanism 1 is configured to feed a stack of tools 100 to be fed one by one, specifically, separate the tools 100 one by one from a lower portion of the stack of tools 100 to realize feeding. Referring to fig. 2, each of the tools 100 has flanges 101 on left and right sides thereof.

The feed mechanism in this embodiment includes: the tool conveying mechanism is used for conveying the tool falling on the tool conveying mechanism to the assembling mechanism 4, the tool storage bin is used for conveying the tool falling on the tool conveying mechanism to the assembling mechanism 4, the group of material blocking mechanisms can stretch out and draw back in the horizontal plane, the material supporting mechanism can lift up and down in the vertical direction, and the sensor 19 is used for detecting the position of the tool falling on the tool conveying mechanism.

Specifically, the tool conveying mechanism includes a set of first rails 11, a set of tool conveying belts 13, and a blocking and positioning cylinder 112 (the blocking and positioning cylinder 112 is shown in fig. 2 and 3) arranged in parallel, the set of conveying belts 13 is correspondingly installed on the inner sides of the set of first rails 11, the inner side of the first rail 11 refers to the inner side of the first rail 11 relative to another first rail 11, the conveying belts 13 are driven by a conveying belt motor 17, the running direction of the conveying belts 13 is consistent with the length of the first rail 11, and the tool 100 finally falls on the conveying belts 13 to enter the next process, that is, reaches the assembling mechanism 4.

The assembling mechanism 4 and the projection of the blocking and positioning cylinder 112 are located between the projections of the group of tool conveying belts 13, the blocking and positioning cylinder 112 is arranged behind the assembling mechanism 4 and close to the assembling mechanism 4, and the blocking and positioning cylinder 112 extends out to enable the tool 100 on the belt 13 to be preliminarily positioned above the assembling mechanism 4.

In order to facilitate limiting the stacked tool 100, a set of tool guide limiting plates 12 are installed on the set of first rails 11 in the embodiment, the tool guide limiting plates 12 are vertically arranged on the first rails 11, the set of tool guide limiting plates 12 are right opposite to the set, a tool bin is formed between the set of tool guide limiting plates 12, and the set of tool guide limiting plates 12 are separated from the left side and the right side of the stacked tool 100.

The group of stock stop mechanisms can be drawn together and pulled open through horizontal extension, and flanges 101 on two sides of the last tool 100 in the whole stack tool 100 are respectively placed on the group of stock stop mechanisms. Specifically, a set of stock stop including correspond install in a set of stock stop cylinder 14 on a set of first track 11, install a stock stop cylinder 14 on each first track 11 promptly, can design a baffle that matches with frock 100 flange 101 and support frock 100's flange 101, the thickness of baffle is less than the interval between two frock 100's after the stack flange 101, then the baffle is connected with stock stop cylinder 14, stock stop cylinder 14 can drive the baffle flexible.

The material supporting mechanism is positioned below the whole stacking tool 100 and can lift in the vertical direction, the height difference between the material supporting mechanism and the whole stacking tool 100 is larger than the height difference between the conveying mechanism and the whole stacking tool 100, and the material supporting mechanism can support the whole stacking tool 100 to enable the tool 100 which is the last to leave the material stopping mechanism so that the group of material stopping mechanisms can be conveniently pulled open; and lowering the whole stack of tools 100 to enable the group of material blocking mechanisms to be close and extend into the space between flanges 101 at two sides of the first tool 100 and the second tool 100 from the last to the last, so that the second tool 100 from the last after the material supporting mechanisms are reset is placed on the group of material blocking mechanisms and the conveying mechanism of the first tool 100 from the last falls into the flow channel.

In this embodiment, ask the material mechanism to include and ask material cylinder 16 and a set of material receiving cylinder 15, ask material cylinder 16 and a set of projection of material receiving cylinder 15 to be located between a set of conveyor belt 13's projection, and ask material cylinder 16 and a set of material receiving cylinder 15 to be located 4 the place ahead of assembly devices, apart from assembly devices 4 certain distance. The material supporting cylinder 16 and the material receiving cylinders 15 are located below the stacking tool 100, and the material receiving cylinders 15 are located on the left side and the right side of the material supporting cylinder 16 respectively. Of course, a pallet with a suitable size may be designed to be connected to the material receiving cylinder 16, and the tool 100 may be lifted by the pallet, and similarly, a pallet with a suitable size may be designed to be connected to the material receiving cylinder 15. In the feeding process, the material supporting cylinder 16 extends out to support the whole stack of tools 100 to the tool 100 which is the first to last and leaves the stock stop mechanism; the whole stack of the tool 100 can be put down by extending the group of material receiving cylinders 15 and retracting the material supporting cylinders 16; the set of material receiving cylinders 15 can be retracted to realize resetting.

Of course, in other embodiments, the material supporting mechanism may also be an electric cylinder instead of the three cylinders in this embodiment, and the electric cylinder may precisely control the ascending position and the descending position thereof.

In order to realize automated production with the butt joint of SMT automation line, preferably, frock feed mechanism 1 still includes the sensor 19 that sets up in frock conveying mechanism the place ahead for whether response frock 100 separates on belt 13, sensor 19 senses frock 100 and separates behind conveying belt 13, and conveying belt 13 carries out automated butt joint with the automation line and realizes automated production.

In this embodiment, the separated tool 100 needs to fall onto a set of conveyor belts 13, so the distance between a set of first tracks 11 is related to the size of the tool 100. Preferably, in order to adapt to the tools 100 with different sizes, in this embodiment, the feeding mechanism further includes a runner width adjusting mechanism, and the runner width adjusting mechanism is simultaneously connected to the set of first rails 11 and can adjust the distance between the set of first rails 11 through telescopic movement.

Specifically, the sliding rail 110 may be designed, the sliding rail 110 is perpendicular to the set of first rails 11, the set of first rails 11 is fixed on the sliding rail 110 through a bracket, and the conveying belt motor 17 is also fixed on the bracket. The support can slide on slide rail 110, and runner width adjustment mechanism includes a motor 17, and its support of connecting on same slide rail 110 simultaneously can adjust the distance of support through motor 17, and then can adjust this a set of first track 11's interval, so can be applicable to not unidimensional frock 100. In addition, the material supporting cylinder 16 and the group of material receiving cylinders 15 can also be arranged on the other slide rail 11, and after the distance in front of the first rail 11 is adjusted, the positions of the material supporting cylinder 16 and the group of material receiving cylinders 15 on the slide rail 11 can also be adjusted.

Referring to fig. 6, the PCB feeding mechanism 2 includes: a set of second track 21 of parallel arrangement, correspond install in a set of feeding cylinder 23, the PCB feed bin, side direction location cylinder 29, horizontal location cylinder 27, brush 28, the climbing mechanism that can vertically go up and down that constitute by a set of PCB direction limiting plate 22 of a set of second track 21. The jacking mechanism comprises a jacking motor 24 and a jacking plate 25, and the motor 24 drives the jacking plate 25 to move up and down.

Wherein the second rail 21 is arranged parallel to and side by side with the first rail 11. In this embodiment, in order to facilitate carrying on spacingly to whole PCB board 200 install a set of PCB direction limiting plate 22 on a set of second track 21, PCB direction limiting plate 22 is vertical to be set up on two tracks 21, and a set of PCB direction limiting plate 22 is just to setting up, form the PCB feed bin of holding PCB board between the PCB direction limiting plate 22, so PCB direction limiting plate 22 is separated in the left and right sides of whole PCB board 200.

The feeding cylinder 23 can stretch out and draw back along the direction of the track 21, the last PCB in the whole stack of PCBs is placed on the group of feeding cylinders, the whole stack of PCBs can move to the position above the jacking mechanism along with the extension of the group of feeding cylinders, namely move to the position above the jacking plate 25, and the motor 24 drives the jacking plate 25 to jack up the whole stack of PCBs.

In this embodiment, a bracket similar to a table is arranged behind the PCB silo, a lateral positioning cylinder 29 and a brush 28 are installed on the right side frame of the bracket parallel to the rail 21, and a lateral positioning cylinder 27 is installed on the front side frame of the bracket perpendicular to the rail 21. The lateral positioning cylinder 29 and the transverse positioning cylinder 27 are positioned on two adjacent sides above the jacking mechanism. The lateral positioning cylinder 29 and the transverse positioning cylinder 27 are used for simultaneously extending after the whole stack of PCB boards is jacked up so as to position the PCB boards to wait for the PCB conveying mechanism 3 to take the boards. The brush 28 is used for peeling the first PCB from the second PCB when the board is taken.

Preferably, in order to adapt to different PCB sizes, the rails 21 are connected by an adjusting rail 210, the adjusting rail 210 is simultaneously vertically connected with two rails 21, and the rail 210 has a plurality of mounting positions, and can be fixed by moving the right rail 21 to a proper mounting position. Accordingly, the front and rear side frames of the bracket (the side frame on which the lateral positioning cylinder 27 is mounted and the other side frame opposite thereto) are also designed in a structure similar to the guide rail 210 to achieve the distance adjustment of the left and right side frames of the bracket.

Referring to fig. 7, the PCB conveyance mechanism 3 in the present embodiment includes: a third rail 31, a moving module 39, a module motor 32, a sliding table cylinder 34, a vacuum generating device 33, and a vacuum chuck 36 controlled by the vacuum generating device 33.

The third rail 31 is perpendicular to the first rail 11 and the second rail 21. The moving module 39 is mounted on the third rail 31 and can slide along the third rail 31 between the upper side of the PCB feeding mechanism 2 and the upper side of the assembling mechanism 4 under the driving of the module motor 32. The sliding table cylinder 34 and the vacuum generating device 33 are mounted on the moving module 39 and can move along with the sliding of the moving module 39. The vacuum chuck 36 is installed on the slide cylinder 34, and the vacuum chuck 36 can move up and down in the vertical direction along with the extension and retraction of the slide cylinder 34, so that when the moving module 39 moves above the PCB feeding mechanism 2, the top one of the PCBs 200 is sucked from the entire stack of PCBs 200 by descending and ascends after sucking the PCB 200.

And a laser displacement sensor 35 is fixed on the sliding table cylinder 34 and used for helping to detect the distance between the vacuum chuck 36 and the PCB 200, so that the ascending and descending of the vacuum chuck 36 can be accurately controlled.

Wherein, the air pipe and the control wire of the vacuum generating device 33, the air pipe of the sliding table air cylinder 34, the wire of the sensor 35 and the like are protected by a drag chain 38.

The working process of the embodiment is as follows:

1) loading in a tool: the tool feeding mechanism 1 realizes the one-by-one feeding of the whole stack of tools, referring to fig. 4-5, the tool 100 is fixedly guided for stacking through a tool guide limiting plate 12, the tool 100 is supported by a material blocking cylinder 14 to prevent falling, a material supporting cylinder 16 extends out to jack the whole stack of tools 100 and is separated from the material blocking cylinder 14, a certain gap is formed between the penultimate tool 100 and the material supporting cylinder 16, the material blocking cylinder 14 retracts, and at the moment, the material blocking cylinder 14 has no friction with the tool 100, so that the tool 100 is not abraded; the material receiving cylinder 15 extends out, then the material supporting cylinder 16 retracts, and the material receiving cylinder 15 receives the whole stack of the tool 100 to realize the downward placement of the whole stack of the tool 100; the material blocking cylinder 14 extends to a position between flanges 101 of a tool 100 which is the first to last and a second to last, and the material blocking cylinder 14 and the tool 100 have no friction at the moment; the material receiving cylinder 15 retracts, the material blocking cylinder 14 supports the penultimate tooling 100, the penultimate tooling 100 is brought into the conveying belt 13 along with the retraction of the material receiving cylinder 15, the belt 13 drives the tooling 100 to move to be close to the assembling mechanism 4, the blocking positioning cylinder 112 extends out to block the tooling 100 to continue to move along with the belt 13, and therefore the tooling 100 is preliminarily positioned, and the tooling 100 on the belt 13 is positioned above the whole assembling mechanism 4.

2) PCB board material loading: PCB feed mechanism 2 realizes transporting the whole PCB board of folding to the assigned position, refer to FIG. 6, lead limiting plate 22 with PCB board 200 for folding the fixed direction of material through PCB, will fold the PCB board 200 by feeding cylinder 23 and transport to jacking board 25 top, jacking motor 24 drive jacking board 25 promotes whole PCB board 200 of folding to needs the height, lateral positioning cylinder 29, horizontal positioning cylinder 27 stretch out simultaneously and fix a position PCB board 200, wait for PCB to transport mechanism 3 and come the board.

3) And (3) transporting the PCB: the PCB conveying mechanism 3 conveys the PCB plates in the PCB feeding mechanism 2 to the assembling mechanism 4 one by one so as to form a whole with the tool. Referring to fig. 7, the moving module 39 is driven by the screw of the motor 32 to move on the third rail 31 to a position above the PCB feeding mechanism 2, then the sliding table cylinder 34 descends, the vacuum generating device 33 is started to suck the first PCB through the vacuum chuck 36, the brush 28 will peel the uppermost PCB from the second PCB, the sliding table cylinder 34 ascends again, and the moving module 39 moves to a position above the assembling mechanism 4.

4) Assembling a pre-PCB of the tool: the assembly mechanism 4 is used for assembling a tool and a PCB, referring to FIGS. 2-3, the opening and closing cylinder is in a retraction state, the limiting part of the clamping arm is abutted against the side part of the bearing table 41, the upper and lower cylinders 145 extend out to jack the bearing table 41 so that the tool 100 above the whole assembly mechanism 4 falls onto the bearing table 41, after the tool 100 is placed on the bearing table 41, the tool positioning pin 411 of the bearing table 41 is matched with the positioning hole corresponding to the stress clamping tool 100 so as to position the tool, the PCB positioning pin 412 of the bearing table 41 passes through the positioning hole corresponding to the tool 100, and meanwhile, the elastic clamping positioning pin 431 on the limiting part of the clamping arm passes through the sliding groove on the tool and then is matched with the corresponding elastic clamping structure on the tool; the opening and closing cylinder extends out to push the clamping arms to slide and open, namely the elastic clamping positioning pins 431 on the two clamping arms are relatively opened, so that the group of elastic clamping structures are driven to open, the sliding table cylinder 34 descends after the opening and closing cylinder is opened to place the PCB above the tool, the vacuum generating device 33 stops working, the PCB is peeled off from the vacuum chuck 36, so that the PCB is placed on the tool, the PCB positioning pin 412 of the bearing table 41 sequentially penetrates through the positioning hole corresponding to the stress clamping tool 100 and the positioning hole corresponding to the PCB, so that the PCB is positioned, and in addition, the tool positioning pin 411 sequentially penetrates through the positioning hole corresponding to the stress clamping tool 100 and the positioning hole corresponding to the PCB; the opening and closing 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 41, and meanwhile, the elastic clamping structure is driven to reset to the close state to clamp the PCB; the blocking positioning cylinder 112 retracts, the upper and lower cylinders 145 retracts, the tool 100 together with the PCB flows into an SMT section production line, automatic positioning, opening and closing of the stress clamping tool 100 are achieved, and the mechanism can be well in automatic butt joint with an automatic production line to achieve automatic production.

In summary, the present embodiment has the following beneficial effects:

1) the automatic assembly of the tool pre-PCB can be realized, and the problems that the stress clamping tool is difficult to operate manually and the PCB is difficult to place manually due to the existence of spring stress in the manual operation process of manually placing the spring clamping positioning pin into the PCB in the stress clamping tool can be solved.

2) Can realize the automatic feeding of frock, PCB board, do not cause wearing and tearing to frock, PCB board simultaneously, adaptable not equidimension frock, PCB board detect simultaneously whether the frock separates the runner, realize automated production with the butt joint of SMT transfer machine.

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 (10)

1. The utility model provides a PCB board and tight frock equipment system of elasticity clamp which characterized in that includes:

assembly devices for the assembly of frock and PCB board includes: the tool is matched with a group of elastic clamping structures on the tool after being arranged on the bearing table, the group of elastic clamping structures can be driven to be pulled open under the action of the horizontal telescopic mechanism so as to put a PCB on the tool, and the group of elastic clamping structures are driven to be drawn close under the action of the horizontal telescopic mechanism after the PCB is put in so as to clamp the PCB;

the tool feeding mechanism is used for feeding a stack of tools to be fed to the assembling mechanism one by one;

the PCB feeding mechanism is used for conveying a stack of PCBs to be fed to a designated position;

and the PCB conveying mechanism is used for transferring the whole stack of PCB boards to the assembling mechanism one by one from the designated position.

2. The PCB and spring clamp tool assembly system of claim 1, wherein flanges are provided on both sides of each tool, the tool feeding mechanism comprises:

the tool conveying mechanism is used for conveying the tool falling onto the tool conveying mechanism to the assembling mechanism;

the material stopping mechanisms can be drawn together and pulled apart through horizontal expansion, and flanges on two sides of a tool which is the last to last in the whole stack of tools are respectively placed on the material stopping mechanisms;

the material supporting mechanism is positioned below the whole stack of tools and can lift in the vertical direction, the height difference between the material supporting mechanism and the whole stack of tools is larger than the height difference between the tool conveying mechanism and the whole stack of tools, and the material supporting mechanism can support the whole stack of tools until the penultimate tool leaves the stock stop mechanism so as to facilitate the pulling open of the group of stock stop mechanisms; and lowering the whole stack of tools to enable the group of stock stop mechanisms to be close and extend into the space between flanges at two sides of the first tool and the second tool from the last to the last, so that the second tool from the last to the last is placed on the group of stock stop mechanisms after the stock stop mechanisms are reset, and the first tool from the last falls into the tool conveying mechanism.

3. The PCB and elastic clamping tool assembling system of claim 2, wherein the material supporting mechanism comprises a material supporting cylinder and a group of material receiving cylinders, the group of material receiving cylinders are respectively positioned at the left side and the right side of the material supporting cylinder, and the material supporting cylinder extends out to support the whole stack of tools until the tool with the penultimate structure leaves the material blocking mechanism; the group of material receiving cylinders extend out, and the material supporting cylinders retract to lower the whole stack of tools; the retraction of the material receiving cylinder can realize resetting.

4. The PCB and elastic clamping tool assembling system of claim 3, wherein the tool conveying mechanism comprises a group of first rails, a group of tool conveying belts and a blocking and positioning cylinder which are arranged in parallel, and the group of tool conveying belts are correspondingly arranged on the group of first rails;

assembly devices block the location cylinder hold in the palm the material cylinder and a set of material receiving cylinder all is located between a set of frock conveyor belt, block the location cylinder setting and be in the assembly devices rear and can stretch out the back will frock on the belt blocks assembly devices top, hold in the palm the material cylinder and a set of material receiving cylinder is located assembly devices the place ahead, block the location cylinder and stretch out and to be in with the belt frock preliminary location is in assembly devices top position.

5. The PCB and resilient clamping tool assembly system of claim 4, wherein the tool conveying mechanism further comprises a runner width adjusting mechanism, the runner width adjusting mechanism is connected to the set of first rails at the same time, and the distance between the set of first rails can be adjusted by telescopic movement.

6. The PCB and elastic clamping tool assembling system of claim 4, wherein the assembling mechanism further comprises a supporting table and an upper and lower air cylinder, the bearing table is arranged on the supporting table, the upper and lower air cylinder is positioned below the supporting table, the supporting table is provided with a window through which the upper and lower air cylinder can pass, and the upper and lower air cylinder can jack up the bearing table to leave the supporting table so that the tool positioned above the bearing table falls into the bearing table.

7. The PCB and elastic clamping tool assembling system of claim 1, wherein the top of the bearing table is used for placing the tool, the horizontal telescopic mechanism comprises an opening and closing cylinder arranged below the bearing table, a slide rail is arranged at the bottom of the bearing table, the opening and closing mechanism comprises a group of clamping arms corresponding to the group of elastic clamping structures, the clamping arms are matched with the slide rail, each clamping arm is provided with a limiting part positioned at the side part of the bearing table, and an elastic clamping positioning pin matched with the corresponding elastic clamping structure is arranged on each limiting part;

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 the position where the limiting part abuts against the side part of the bearing table, so that the group of elastic clamping structures are driven to reset to the close state to clamp the PCB.

8. The PCB and elastic clamping tool assembly system of claim 7, wherein sliding grooves are formed at both ends of the tool, the elastic clamping positioning pin passes through the sliding grooves and then is matched with the corresponding elastic clamping structure, and when the group of clamping arms slide, the elastic clamping positioning pin can slide in the sliding grooves.

9. The PCB and spring clamp tool assembly system of claim 1, wherein the PCB feed mechanism comprises: the device comprises a group of second rails, a group of feeding cylinders, a jacking mechanism, a lateral positioning cylinder and a transverse positioning cylinder, wherein the second rails are arranged in parallel;

the last PCB in the whole stack of PCBs is placed on the group of feeding cylinders and can move to the position above the jacking mechanism along with the extension of the group of feeding cylinders; the jacking mechanism can jack up the whole stack of PCB boards above the jacking mechanism; the lateral positioning cylinder and the transverse positioning cylinder are located on two adjacent sides above the jacking mechanism and used for simultaneously extending out after the whole stack of PCB is jacked so as to position the PCB to fetch the PCB by waiting for the PCB conveying mechanism.

10. The PCB and spring clamp tool assembly system of claim 1, wherein the PCB transport mechanism comprises: the third rail, the moving module, the sliding table cylinder, the vacuum generating device and a vacuum chuck controlled by the vacuum generating device;

the utility model discloses a PCB board assembly machine, including first track, second track, slip table cylinder, vacuum generating device, vacuum chuck, slip table cylinder, vacuum chuck, and vacuum chuck, it installs to remove the module on the second track and can follow the second track slides between PCB feed mechanism top and assembly devices top, slip table cylinder, vacuum generating device install on removing the module, vacuum chuck installs on the slip table cylinder, vacuum chuck can be along with stretch out and withdrawal of slip table cylinder reciprocate in the vertical direction to when removing the module and removing to PCB feed mechanism top, through descending from whole pile of PCB board on absorb a PCB board at top and rise after absorbing the PCB board.

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