CN217626550U

CN217626550U - A blank holder device for solving PCB board perk limit

Info

Publication number: CN217626550U
Application number: CN202221293206.4U
Authority: CN
Inventors: 李高飞; 魏亚菲; 范晓宇; 周天义; 祝锁; 熊让安; 曹葵康; 温延培
Original assignee: Tztek Technology Co Ltd
Current assignee: Tztek Technology Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-21
Anticipated expiration: 2032-05-27

Abstract

The utility model provides a blank pressing device for solving PCB board perk limit, comprises a workbench, be provided with the adsorption component who is used for adsorbing PCB board perk limit on the workstation, the one end of workstation is provided with the benchmark limit blank pressing subassembly that pushes down PCB board benchmark limit, and the workstation other end is provided with the topside blank pressing subassembly that is used for pushing down PCB board topside. This blank pressing device realizes pushing down and adsorb the processing to the benchmark limit of PCB board and the perk limit of topside through benchmark limit blank pressing subassembly, topside blank pressing device and adsorption component's cooperation, has solved and has relied on simply adsorbing to solve the PCB board perk limit not in place, and the PCB board perk limit leads to the exposure circuit bad and has the problem of striking equipment and the risk of damaging equipment.

Description

A blank holder device for solving PCB board perk limit

Technical Field

The utility model relates to a laser exposure's auxiliary assembly's technical field especially relates to a blank pressing device for solving PCB board perk limit.

Background

The production and manufacturing technology of PCB boards has been developed towards high density, high precision, fine aperture, fine wire, fine pitch, high reliability, multilayering, high-speed transmission, light weight, and thin profile, which puts more stringent requirements on a series of processing equipment, detection equipment, etc. in the production process of PCB.

The PCB board needs to be cut to size and shape before entering the LDI device. At present, the PCB manufacturer can generate the problem of PCB warped edge when cutting the PCB material, and the PCB edge warping can cause the bad phenomenon of exposure to appear on the LDI equipment in the circuit. Most LDI equipment all adopt sucking disc vacuum adsorption to solve the bad problem of exposure that PCB perk limit leads to at present, but because the adsorption affinity of sucking disc is limited and PCB flange perk range is indefinite, hardly solve PCB board perk limit problem completely. If the PCB is exposed under the condition of edge warping, the exposure circuit is poor, and the edge warping of the PCB has the risk of bumping equipment and damaging the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a blank pressing device for solving PCB board perk limit to solve PCB board perk limit and lead to the bad problem with the risk that has percussion device and damage equipment of exposure circuit.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a blank pressing device for solving PCB board perk limit, includes the workstation, be provided with the adsorption component who is used for adsorbing the PCB board perk limit on the workstation, the one end of workstation is provided with the benchmark limit blank pressing subassembly that pushes down PCB board benchmark limit, and the workstation other end is provided with the topside blank pressing subassembly that is used for pushing down PCB board topside.

As the utility model discloses an improvement for solving blank pressing device of PCB board perk limit, benchmark limit blank pressing subassembly includes lift cylinder, connecting plate and blank pressing board one, and wherein the one end of connecting plate and the work end fixed connection of lift cylinder, the other end and a blank pressing board fixed connection of connecting plate.

As the utility model discloses an improvement for solving blank pressing device of PCB board perk limit, still including being used for adjusting dodging the subassembly of distance between lift cylinder and the workstation, dodge the subassembly including driving actuating cylinder and fixed plate, wherein, drive actuating cylinder's cylinder housing and workstation fixed connection, the work end that drives actuating cylinder extends the workstation, one side of fixed plate and the work end fixed connection who drives actuating cylinder, the opposite side of fixed plate and the cylinder housing fixed connection of lift cylinder.

As a result, the utility model discloses a reduction in pressure equipment is put to PCB board perk limit, the one end of driving actuating cylinder towards the fixed plate is provided with the stopper that is used for the restriction to drive actuating cylinder reset distance.

As the utility model discloses an improvement of a blank pressing device for solving PCB board perk limit, topside blank pressing subassembly includes the adapter sleeve of support, built-in bearing, the dwang that is equipped with a plurality of connection pieces along the axial, blank pressing board two, revolving cylinder and synchronizing wheel, wherein the main part that the support is horizontal in workstation both sides and support is higher than the upper surface of workstation, adapter sleeve and support fixed connection, the body of rod of dwang runs through the built-in bearing of adapter sleeve, connection piece fixed connection on blank pressing board two and the dwang, revolving cylinder sets up on the support lateral wall, the synchronizing wheel is installed on the dwang with the revolving cylinder homonymy, revolving cylinder rotates with the synchronizing wheel through the hold-in range and is connected.

As the utility model discloses an improvement of a blank holder device for solving PCB board perk limit, still including the adjustment subassembly that is used for adjusting horizontal distance between blank holder two and the blank holder one, the adjustment subassembly is including guide rail, slider and the adjusting bolt who is provided with a plurality of fixed orificess, wherein slider and support towards one side fixed connection of workstation, slider and guide rail sliding connection, adjusting bolt run through support and slider and can insert in the fixed orifices of guide rail.

As the utility model discloses an improvement of a blank holder device for solving PCB board perk limit is provided with the elastic component that is used for the pressure under a pair of PCB board benchmark limit of slow-release side board between blank holder board one and the connecting plate, also sets up the elastic component between blank holder board two and the connection piece.

As the utility model discloses an improvement that is used for solving blank holder device of PCB board perk limit, blank holder board one and blank holder board two are made by the POM material, are provided with between elastic component and the blank holder board one and are used for reducing the gasket that the elastic component was worn and torn to blank holder board.

As the utility model discloses an improvement that is used for solving the blank pressing device of PCB board perk limit sets up at least one topside blank pressing subassembly on the blank pressing device.

As the utility model discloses an improvement of an edge pressing device for solving PCB board perk limit, adsorption component is including the absorption mesa that has the absorption hole and the air flue of built-in the workstation, the setting of absorption mesa is on the workstation surface, and the absorption hole and the air flue intercommunication of just adsorbing the mesa.

Compared with the prior art, the beneficial effects of the utility model are that: the edge pressing device realizes the pressing and adsorption treatment of the reference edge and the warped edge of the top edge of the PCB through the matching of the reference edge pressing component, the top edge pressing device and the adsorption component, and solves the problems that the warped edge of the PCB is not in place due to the fact that the absorption is only relied on, exposure circuit is poor, and the risks of equipment collision and equipment damage are caused due to the warped edge of the PCB; the avoidance assembly enables the reference edge pressing assembly not to interfere with placement and extraction of the PCB, and avoids the phenomenon that the top of the reference edge pressing assembly is contacted with the bottom of the PCB to grind the PCB; the adjusting assembly enables the top edge blank pressing assembly to move along the workbench, the top edge blank pressing assembly can freely adjust the position of the top edge blank pressing assembly on the workbench according to the length of the PCB, the PCB with different lengths is suitable for the adsorption assembly, a plurality of rows of adsorption holes are arranged in parallel on the adsorption assembly, and the device can expose two PCBs at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a top view of the present invention;

FIG. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a second schematic structural view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is an enlarged view of fig. 3 at B.

Wherein, 1, a workbench; 2. an adsorption component; 21. adsorbing the table top; 22. an airway; 3. a reference edge pressing assembly; 31. a lifting cylinder; 32. a connecting plate; 33. pressing a first edge plate; 4. a top edge pressing assembly; 41. a support; 42. connecting sleeves; 43. rotating the rod; 44. connecting sheets; 45. a second edge pressing plate; 46. a rotating cylinder; 47. a synchronizing wheel; 5. an avoidance assembly; 51. a driving cylinder; 52. a fixing plate; 6. a limiting block; 7. an adjustment assembly; 71. a guide rail; 72. a slider; 73. adjusting the bolt; 8. an elastic member; 9. and (6) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in figure 1, the edge pressing device for solving the warping of the PCB comprises a workbench 1, wherein an adsorption component 2 used for adsorbing the warping of the PCB is arranged on the workbench 1, a reference edge pressing component 3 used for pressing down a reference edge of the PCB is arranged at one end of the workbench 1, and a top edge pressing component 4 used for pressing down the top edge of the PCB is arranged at the other end of the workbench 1.

As shown in fig. 1 and 2, the reference edge pressing assembly 3 includes a lifting cylinder 31, a connecting plate 32, and a first pressing plate 33, wherein one end of the connecting plate 32 is fixedly connected to the working end of the lifting cylinder 31, the other end of the connecting plate 32 is fixedly connected to the first pressing plate 33, the lifting cylinder 31 drives the connecting plate 32 and the first pressing plate 33 fixedly connected to the connecting plate 32 to move up and down, the first pressing plate 33 moves down to press the reference edge of the PCB, and after the PCB completes the exposure process, the first pressing plate 33 moves up to separate from the reference edge of the PCB.

In order to avoid the contact of 3 tops of benchmark limit blank pressing subassembly and PCB board bottom so that the PCB board grinds, need dodge benchmark limit blank pressing subassembly 3 and handle before placing workstation 1 with the PCB board, therefore, it dodges subassembly 5 to have set up, it is used for adjusting the lift cylinder and the workstation between 1 distance to dodge subassembly 5, dodge subassembly 5 including driving actuating cylinder 51 and fixed plate 52, wherein, drive actuating cylinder 51's cylinder housing and workstation 1 fixed connection, the work end that drives actuating cylinder 51 extends workstation 1, one side of fixed plate 52 and the work end fixed connection who drives actuating cylinder 51, the opposite side of fixed plate 52 and the cylinder housing fixed connection of lift cylinder 31. Drive actuating cylinder 51 and promote fixed plate 52 and remove with fixed plate 52 fixed lift cylinder 31 horizontal side, when the PCB board needs to be placed, drive actuating cylinder 51 and promote lift cylinder 31 through fixed plate 52 and keep away from workstation 1, lift cylinder 31 drives the decline of first 33 of sideboard through connecting plate 32, then carries out placing of PCB board, after accomplishing PCB board and placing, lift cylinder 31 drives the rise of first 33 of sideboard, drive actuating cylinder 51 and promote lift cylinder 31 and be close to workstation 1.

In order to avoid that the lifting cylinder 31 hits the end surface of the working table 1 due to the driving cylinder 51 pushing the lifting cylinder 31 close to the working table 1 by too short distance, a stopper 6 for limiting the reset distance of the driving cylinder 51 is arranged at one end of the driving cylinder 51 facing the fixing plate 52.

Adsorption component 2 is including having the adsorption table face 21 of adsorbing the hole and built-in air flue 22 in workstation 1, and adsorption table face 21 sets up on 1 surface of workstation, and adsorption table face 21's adsorption hole and air flue 22 intercommunication, and air flue 22 and air supply intercommunication, air supply pass through air flue 22 and the processing of adsorbing the hole air exhaust, form negative pressure environment on the adsorption table face 21 in order to adsorb the PCB board. The adsorption component 2 is provided with a plurality of rows of adsorption holes in parallel, and the device can simultaneously carry out exposure treatment on at least one PCB.

As shown in fig. 1 and 3, the top edge pressing assembly 4 includes a support 41, a connecting sleeve 42 with a built-in bearing, a rotating rod 43 with a plurality of connecting pieces 44 arranged along an axial direction, a second edge pressing plate 45, a rotating cylinder 46 and a synchronizing wheel 47, wherein the support 41 is transversely arranged on two sides of the workbench 1, a main body of the support 41 is higher than an upper surface of the workbench 1, the connecting sleeve 42 is fixedly connected with the support 41, a rod body of the rotating rod 43 penetrates through the built-in bearing of the connecting sleeve 42, the second edge pressing plate 45 is fixedly connected with the connecting pieces 44 on the rotating rod 43, the rotating cylinder 46 is arranged on a side wall of the support 41, the synchronizing wheel 47 is installed on the rotating rod 43 on the same side as the rotating cylinder 46, and the rotating cylinder 46 is rotatably connected with the synchronizing wheel 47 through a synchronizing belt. When the PCB needs to be placed, the rotary cylinder 46 is in a stop state, at the moment, the second blank holder 45 is located at a position far away from the workbench 1, after the PCB is placed, the rotary cylinder 46 works, the rotary cylinder 46 drives the rotary rod 43 to rotate through the matching of the synchronous belt and the synchronous wheel 47, the rotary rod 43 drives the second blank holder 45 to rotate through the connecting sheet 44, the second blank holder 45 rotates downwards to press the top edge of the PCB, after the exposure process of the PCB is completed, the rotary cylinder 46 resets, and the second blank holder 45 is also separated from the top edge of the PCB and is far away from the workbench 1 under the driving of the selection cylinder.

Because the length requirement of the PCB is inconsistent, therefore, in order to enable the whole edge pressing device to be suitable for PCBs with different lengths, the edge pressing device is provided with an adjusting component 7, the adjusting component 7 is used for adjusting the horizontal distance between a second edge pressing plate 45 and a first edge pressing plate 33, the adjusting component 7 comprises a guide rail 71 provided with a plurality of fixing holes, a sliding block 72 and an adjusting bolt 73, wherein the sliding block 72 is fixedly connected with one side, facing the workbench 1, of the support 41, the sliding block 72 is in sliding connection with the guide rail 71, and the adjusting bolt 73 penetrates through the support 41 and the sliding block 72 and can be inserted into the fixing holes of the guide rail 71. The adjusting bolt 73 is firstly separated from the fixing hole of the guide rail 71 upwards, then the bracket 41 is pushed according to the length of the PCB, the bracket 41 moves along the guide rail 71 under the sliding of the guide rail 71 through the slider 72, the bracket 41 is moved to a preset position, namely, the second edge pressing plate 45 rotating downwards can press the top edge of the PCB, and then the adjusting bolt 73 is inserted into the fixing hole of the guide rail 71 to fix the bracket 41.

As shown in fig. 4 and 5, an elastic member 8 for buffering the pressing pressure of the first pressing plate 33 on the reference edge of the PCB is arranged between the first pressing plate 33 and the connecting plate 32, the elastic member 8 is also arranged between the second pressing plate 45 and the connecting plate 44, and the elastic member 8 is used for buffering the pressing pressure of the first pressing plate 33 on the reference edge of the PCB and the pressing pressure of the second pressing plate 45 on the top edge of the PCB, so that the first pressing plate 33 and the second pressing plate 45 are prevented from causing extrusion damage to the PCB.

The elastic member 8 may be a spring or other elastic component.

In order to achieve a lightweight design, both the first binder plate 33 and the second binder plate 45 are made of POM material. However, in order to reduce the abrasion of the elastic member 8 to the first binder plate 33 and the second binder plate 45, a gasket 9 is arranged between the elastic member 8 and the first binder plate 33, and the gasket 9 is in contact with the elastic member 8 instead of the first binder plate 33 and the second binder plate, so that the abrasion of the elastic member 8 to the first binder plate 33 and the second binder plate 45 is reduced.

When PCB board length overlength, can consider to increase topside blank holder subassembly 4 in order to push down PCB board mid portion, can avoid PCB board middle part uplift like this, when PCB is in conventional length, use a roof blank holder subassembly can, consequently, can set up at least one topside blank holder subassembly 4 on this blank holder device.

In conclusion, the edge pressing device presses and adsorbs warped edges of the reference edge and the top edge of the PCB through the cooperation of the reference edge pressing component 3, the top edge pressing device and the adsorption component 2, so that the problems that the warped edges of the PCB are not in place due to the fact that the PCB is singly adsorbed, exposure circuits are poor due to the warped edges of the PCB, and risks of equipment collision and equipment damage are caused are solved; the avoidance component 5 enables the reference edge pressing component 3 not to interfere with the placement and the extraction of the PCB from the workbench 1, and avoids the phenomenon that the top of the reference edge pressing component 3 is contacted with the bottom of the PCB so as to grind the PCB; adjustment assembly 7 makes topside blank pressing subassembly 4 remove along workstation 1, and topside blank pressing subassembly 4 can freely adjust its position on workstation 1 according to the length of PCB board, is suitable for the PCB board of different length, and adsorption component 2 sets up a plurality of rows of absorption holes side by side, and the device can expose simultaneously two PCB boards and handle.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a blank pressing device for solving PCB board perk limit, includes workstation (1), be provided with on workstation (1) and be used for adsorbing adsorption component (2) of PCB board perk limit, its characterized in that, the one end of workstation (1) is provided with benchmark limit blank pressing component (3) of pushing down PCB board benchmark limit, and workstation (1) other end is provided with topside blank pressing component (4) that are used for pushing down PCB board topside.

2. The edge pressing device for solving the warping of the PCB as claimed in claim 1, wherein the reference edge pressing assembly (3) comprises a lifting cylinder (31), a connecting plate (32) and a first edge pressing plate (33), wherein one end of the connecting plate (32) is fixedly connected with a working end of the lifting cylinder (31), and the other end of the connecting plate (32) is fixedly connected with the first edge pressing plate (33).

3. The edge pressing device for solving the warping of the PCB is characterized by further comprising an avoiding assembly (5) for adjusting the distance between the lifting cylinder (31) and the workbench (1), wherein the avoiding assembly (5) comprises a driving cylinder (51) and a fixing plate (52), a cylinder shell of the driving cylinder (51) is fixedly connected with the workbench (1), a working end of the driving cylinder (51) extends out of the workbench (1), one side of the fixing plate (52) is fixedly connected with the working end of the driving cylinder (51), and the other side of the fixing plate (52) is fixedly connected with a cylinder shell of the lifting cylinder (31).

4. The edge pressing device for solving the warping of the PCB board as claimed in claim 3, wherein a limiting block (6) for limiting the reset distance of the driving cylinder (51) is arranged at one end of the driving cylinder (51) facing the fixing plate (52).

5. The edge pressing device for solving the warping of the PCB as claimed in claim 1, wherein the top edge pressing assembly (4) comprises a support (41), a connecting sleeve (42) with a built-in bearing, a rotating rod (43) with a plurality of connecting pieces (44) arranged along the axial direction, two edge pressing plates (45), a rotating cylinder (46) and a synchronizing wheel (47), wherein the support (41) is transversely arranged on two sides of the workbench (1) and the main body of the support (41) is higher than the upper surface of the workbench (1), the connecting sleeve (42) is fixedly connected with the support (41), the rod body of the rotating rod (43) penetrates through the built-in bearing of the connecting sleeve (42), the two edge pressing plates (45) are fixedly connected with the connecting pieces (44) on the rotating rod (43), the rotating cylinder (46) is arranged on the side wall of the support (41), the synchronizing wheel (47) is arranged on the same side of the rotating cylinder (46), and the rotating cylinder (46) is rotatably connected with the synchronizing wheel (47) through a synchronizing belt.

6. The edge pressing device for solving the warping of the PCB as claimed in claim 1, further comprising an adjusting assembly (7) for adjusting the horizontal distance between the second edge pressing plate (45) and the first edge pressing plate (33), wherein the adjusting assembly (7) comprises a guide rail (71) provided with a plurality of fixing holes, a sliding block (72) and an adjusting bolt (73), the sliding block (72) and the bracket (41) are fixedly connected towards one side of the workbench (1), the sliding block (72) is slidably connected with the guide rail (71), and the adjusting bolt (73) penetrates through the bracket (41) and the sliding block (72) and can be inserted into the fixing hole of the guide rail (71).

7. The edge pressing device for solving the warping of the PCB as claimed in claim 3, wherein an elastic member (8) for buffering the pressing pressure of the first edge pressing plate (33) on the reference edge of the PCB is arranged between the first edge pressing plate (33) and the connecting plate (32), and the elastic member (8) is also arranged between the second edge pressing plate (45) and the connecting plate (44).

8. Edge pressing device for solving warping of PCB board according to claim 7, characterized in that the first edge pressing board (33) and the second edge pressing board (45) are both made of POM material, and a gasket (9) for reducing abrasion of the first edge pressing board (33) by the elastic member (8) is arranged between the elastic member (8) and the first edge pressing board (33).

9. Edge pressing device for solving the warping of PCB boards according to claim 1 characterized in that at least one top edge pressing assembly (4) is provided on the edge pressing device.

10. The edge pressing device for solving the warping of the PCB board as claimed in claim 1, wherein the adsorption component (2) comprises an adsorption table top (21) with adsorption holes and an air channel (22) built in the workbench (1), the adsorption table top (21) is arranged on the surface of the workbench (1), and the adsorption holes of the adsorption table top (21) are communicated with the air channel (22).