CN216650118U

CN216650118U - Fixing device is used in processing of PCB circuit board

Info

Publication number: CN216650118U
Application number: CN202122949427.4U
Authority: CN
Inventors: 邱卫东
Original assignee: Nust Gangshishun Electronic Engineering Technology Co ltd
Current assignee: Nanjing Gangshishun Electronic Engineering Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-31
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to the technical field of PCB production and processing, in particular to a fixing device for PCB processing, which comprises: the fixing device comprises an operation table, wherein a right rear end angle placing table is fixedly mounted on the right rear side of the top end of the operation table, a right front end angle placing table with an adjustable Y-direction position is arranged right ahead of the right rear end angle placing table, a fixed push plate with an adjustable X-direction position is arranged on the left side of the top end of the operation table, a plurality of groups of lower push arms which are uniformly arranged are rotatably connected to the upper portion of a protruding portion, an upper wedge-shaped balancing weight is fixedly connected to the bottom end of the left side of each lower push arm, the top end face of an end push block is higher than the top end face of the right side of the fixed push plate, an elastic compression reset piece is arranged on the left side of the end push block, a lower wedge-shaped block is arranged on the top end of the end push block, and the lower wedge-shaped block is matched with the upper wedge-shaped balancing weight.

Description

Fixing device is used in processing of PCB circuit board

Technical Field

The utility model relates to the technical field of PCB production and processing, in particular to a fixing device for PCB processing.

Background

The PCB plays a vital role in the current scientific and technological development, and the square PCB needs to be punched in the production process of the PCB.

The PCB needs to be fixed in the punching process, so that the punching accuracy is ensured; however, the fixing device for processing the PCB in the prior art has poor fixing effect, often has poor stability in the punching process, and is easy to fail in punching; the fixing device for processing the PCB in the prior art can not fix a plurality of groups of superposed PCB circuit boards at the same time.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fixing device for PCB processing, so as to solve the above technical problems in the background art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a fixing device for PCB processing comprises: a right rear end angle placing table is fixedly arranged on the right rear side of the top end of the operating table, a right front end angle placing table with an adjustable Y-direction position is arranged right in front of the right rear end angle placing table, a fixed push plate with an adjustable X-direction position is arranged on the left side of the top end of the operating platform, a convex part is arranged in the middle of the fixed push plate, the upper part of the convex part is rotationally connected with a plurality of groups of lower pressing arms which are uniformly arranged, the bottom end of the left side of each lower pressing arm is fixedly connected with an upper wedge-shaped balancing weight, a plurality of groups of transverse sliding grooves are uniformly arranged at the top end of the fixed push plate, the right ends of the transverse sliding grooves are positioned at the right sides of the convex parts, an end push block is connected in the transverse sliding groove in a sliding manner, the top end face of the end push block is higher than the top end face of the right side of the fixed push plate, the left side of the end pushing block is provided with an elastic compression reset piece, the top end of the end pushing block is provided with a lower wedge-shaped block, and the lower wedge-shaped block is matched with an upper wedge-shaped balancing weight.

Furthermore, a first sliding groove is formed in the front portion of the right side of the top end of the operating platform, a first sliding block is connected in the first sliding groove in a sliding mode, the top end of the first sliding block is fixedly connected with a right front end corner placing platform, a longitudinal lead screw is connected to the middle of the first sliding block in a threaded mode, the front portion of the longitudinal lead screw is connected to a front side plate in a rotating mode through a first bearing, the front side plate is fixedly installed on the right side of the front end of the operating platform, and an adjusting knob is fixedly connected to the front end of the longitudinal lead screw.

Further, right back sink groove and right front sink groove of rectangle are seted up respectively to right back end angle place the platform and right front end angle place the platform one side in opposite directions, right back sink groove and right front sink groove tank bottom terminal surface flush simultaneously with fixed push pedal top face flush.

Further, a second sliding groove is formed in the middle of the right side of the top end of the operating platform, a second sliding block is connected to the second sliding groove in a sliding mode, a pushing plate is fixedly connected to the top end of the second sliding block in a fixed mode, a transverse lead screw is connected to the middle of the second sliding block in a threaded mode, the left side of the transverse lead screw is connected with a left side plate in a rotating mode through a second bearing, the left side plate is fixedly installed at the end portion of the left side of the operating platform, and a servo driving mechanism is fixedly connected to the left end of the transverse lead screw.

Further, servo actuating mechanism includes servo motor and motor mount pad, the horizontal lead screw left end of servo motor output fixed connection, servo motor passes through motor mount pad fixed connection at left side board left end middle part, servo motor electric connection has the power.

Further, two sets of third chutes transversely arranged are symmetrically formed in the front and back of the right side of the top end of the operating platform, a third sliding block is connected in the third chute in a sliding mode, and a pushing plate is fixedly connected to the top end of the third sliding block and fixed to the top end of the third sliding block.

Furthermore, the upper portion of the protruding portion is provided with a rotating shaft penetrating through the front portion and the rear portion of the protruding portion, and the middle portions of the groups of pressing arms are connected to the rotating shaft in a uniformly rotating mode.

Furthermore, the right end part of the lower pressing arm is hinged with a rubber wheel through a hinged shaft.

Furthermore, the elastic pressing reset piece is a spring, the left end of the end push block is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected to the inner wall of the left side of the transverse sliding groove.

Furthermore, the sum of the weight of the lower pressing arm close to the left side of the rotating shaft and the weight of the upper wedge-shaped balancing weight is larger than the sum of the weight of the lower pressing arm close to the right side of the rotating shaft, the weight of the hinged shaft and the weight of the rubber wheel.

Compared with the prior art, the utility model has the beneficial effects that:

the PCB pressing device has the advantages that the right rear end angle placing table and the right front end angle placing table with the adjustable Y-direction position are matched for use, so that the PCB pressing device can be suitable for placing PCB boards with different sizes, meanwhile, the fixed push plate with the adjustable X-direction position is matched for transversely clamping and fixing the PCB boards, when the end push block is pressed at the left end of the PCB board, the right end of the pressing arm can be pressed downwards, the upper end face of the PCB board is pressed through the rubber wheel, so that the PCB board has good fixing stability, and punching is convenient to carry out; the whole device can also adapt to the fixation of a plurality of groups of superposed PCB circuit boards.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a longitudinal cross-sectional view of the present invention at a longitudinal lead screw;

FIG. 3 is an enlarged view of a portion of the present invention at A;

FIG. 4 is a longitudinal cross-sectional view of the present invention at a transverse lead screw;

fig. 5 is a bottom right perspective view of the present invention.

The reference numbers in the drawings are: 1-base, 2-operation table, 201-first chute, 202-second chute, 203-third chute, 3-right rear end corner placing table, 4-first slide block, 5-right front end corner placing table, 6-longitudinal screw rod, 7-first bearing, 8-front side plate, 9-adjusting knob, 10-second slide block, 11-fixed push plate, 1101-transverse chute, 12-transverse screw rod, 13-second bearing, 14-left side plate, 15-servo motor, 16-motor mounting seat, 17-third slide block, 18-bulge, 19-rotation shaft, 20-pressing arm, 21-articulated shaft, 22-rubber wheel, 23-upper wedge-shaped balancing weight, 24-end pushing block, 25-spring, 26-lower wedge block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 5, a fixing device for processing a PCB includes:

operation panel

2, 2 top right rear side fixed mounting of operation panel 2 has right rear end angle to place platform 3, right rear end angle is placed 3 dead ahead and is provided with right front end angle that Y position can be adjusted and is placed

platform

5, 2 top left sides of operation panel are provided with fixed push pedal 11 that X position can be adjusted, fixed push pedal 11 middle part is equipped with

bellying

18, 18 upper portions of bellying are rotated and are connected with the even lower push arm 20 that sets up of a plurality of groups, lower push arm 20 left side bottom fixedly connected with goes up wedge balancing weight 23, a plurality of groups of horizontal spout 1101 have evenly been seted up on fixed push pedal 11 top, horizontal spout 1101 right-hand member is located 18 right sides of bellying, sliding connection has tip ejector pad 24 in the horizontal spout 1101, tip ejector pad 24 top terminal surface is higher than the fixed push pedal 11 right side top terminal surface, tip ejector pad 24 left side is provided with the elastic compression piece that resets, tip ejector pad 24 top is provided with lower wedge 26, lower wedge 26 cooperatees with last wedge balancing weight 23.

The bottom end of the operating platform 2 is fixedly connected with a base 1.

First spout 201 has been seted up to 2 top right sides front portions of operation panel, sliding connection has first slider 4 in first spout 201, platform 5 is placed at the right front end angle of 4 top fixed connection of first slider, 4 middle part threaded connection of first slider have vertical lead screw 6, 6 front portions of vertical lead screw are connected on preceding curb plate 8 through first bearing 7 rotation, 8 fixed mounting of preceding curb plate are on 2 front end right sides of operation panel, 6 front end fixedly connected with adjust knob 9 of vertical lead screw, it drives vertical lead screw 6 and rotates and then place platform 5 displacements around driving the right front end angle through first slider 4 to rotate adjust knob 9, thereby make things convenient for placing fixedly of unidimensional PCB circuit board.

The right rear end corner placing platform 3 and the right front end corner placing platform 5 are provided with a right rear sinking groove and a right front sinking groove which are rectangular respectively at opposite sides, and the bottom end faces of the right rear sinking groove and the right front sinking groove are flush with the top end face of the fixed push plate 11.

Second spout 202 has been seted up at 2 top right sides middle parts of operation panel, sliding connection has second slider 10 in the second spout 202, the fixed push pedal 11 of second slider 10 top fixed connection, the horizontal lead screw 12 left side of the horizontal lead screw 12 of second slider 10 middle part threaded connection is rotated through second bearing 13 and is connected with left side board 14, left side board 14 fixed mounting is at 2 left side tip of operation panel, horizontal lead screw 12 left end fixed connection has servo drive mechanism.

Servo actuating mechanism includes servo motor 15 and motor mount pad 16, the horizontal lead screw 12 left end of 15 output end fixed connection of servo motor, servo motor 15 passes through 16 fixed connection of motor mount pad at the 14 left end middle parts of left side board, servo motor 15 electric connection has the power, through the horizontal lead screw 12 rotation of 15 corotation of servo motor or reversal drive, and then drive fixed push pedal 11 lateral displacement through second slider 10.

Two sets of third spouts 203 that transversely set up are seted up to 2 top front and back symmetries of operation panel, and sliding connection has third slider 17 in third spout 203, and the fixed push pedal 11 of third slider 17 top fixed connection can improve the stability of fixed push pedal 11 lateral displacement through the cooperation of the third slider 17 that sets up and third spout 203.

The upper part of the convex part 18 is provided with a rotating shaft 19 penetrating through the front and the back of the convex part 18, and the middle parts of a plurality of groups of lower pressing arms 20 are uniformly and rotatably connected on the rotating shaft 19.

The right side end of the lower pressing arm 20 is hinged with a rubber wheel 22 through a hinge shaft 21, the upper end surface of the PCB can be well pressed through the arranged rubber wheel 22, and meanwhile, the PCB can be guaranteed not to be crushed.

The elastic pressing reset piece is a spring 25, the left end of the end push block 24 is fixedly connected with one end of the spring 25, the other end of the spring 25 is fixedly connected with the inner wall on the left side of the transverse sliding groove 1101, and the PCB can be fixed by the aid of the arranged spring 25 under a transverse pressing force, so that the fixing stability of the PCB is improved.

The sum of the weight of the left side of the rotating shaft 19 of the lower pressing arm 20 and the weight of the upper wedge-shaped balancing weight 23 is greater than the sum of the weight of the right side of the rotating shaft 19 of the lower pressing arm 20, the weight of the hinge shaft 21 and the weight of the rubber wheel 22, so that when the fixed push plate 11 is displaced leftwards, the lower pressing arm 20 is lifted upwards under the action of the self gravity, and the rubber wheel 22 is separated from the PCB.

When the device is used for fixing the PCB, one end of the PCB is firstly placed on a right rear sinking groove of a right rear corner placing platform 3, then an adjusting knob 9 is manually rotated to drive a longitudinal screw 6 to rotate so as to drive a right front corner placing platform 5 to displace backwards through a first slide block 4, so that the right front sinking groove is matched with the right front part of the PCB, then a transverse screw 12 is driven to rotate through a servo motor 15, and further a fixed push plate 11 is driven to displace transversely towards the right side through a second slide block 10, so that the left end of the PCB is lapped on a right side table top of the fixed push plate 11, then the fixed push plate 11 is driven to displace transversely towards the right side through the servo motor 15, so that the left end of the PCB compresses an end push block 24, the end push block 24 displaces towards the left side along a transverse sliding groove and compresses a spring 25, and at the moment, the PCB can be subjected to a transverse pressing force when being fixed through the arranged spring 25, improve the fixed stability of PCB circuit board, in this moment, wedge block 23 upward displacement in wedge block is gone up to the left side displacement and promotion down, push down 20 right-hand members of arm this moment and compress tightly the up end of PCB circuit board along 19 rotation axes downwardly turned and through rubber tyer 22, make the PCB circuit board have fine fixed stability, whole device also can adapt to the fixed after the stack of multiunit PCB circuit board simultaneously, when changing a set of same PCB circuit board again and fixing, only need through the fixed push pedal 11 of servo motor 15 drive to the left side displacement, tip ejector pad 24 resets under the effect of spring 25 this moment, push down 20 simultaneously and reset under the effect of its own gravity.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the utility model in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a fixing device is used in processing of PCB circuit board which characterized in that includes: the device comprises an operating table (2), wherein a right rear end angle placing table (3) is fixedly mounted on the right rear side of the top end of the operating table (2), a right front end angle placing table (5) with an adjustable Y-position is arranged right in front of the right rear end angle placing table (3), an X-position-adjustable fixed push plate (11) is arranged on the left side of the top end of the operating table (2), a bulge part (18) is arranged in the middle of the fixed push plate (11), a plurality of groups of uniformly arranged lower pressing arms (20) are rotatably connected to the upper part of the bulge part (18), an upper wedge-shaped balancing weight (23) is fixedly connected to the bottom of the left side of each lower pressing arm (20), a plurality of groups of transverse sliding grooves (1101) are uniformly formed in the top end of the fixed push plate (11), the right end of each transverse sliding groove (1101) is located on the right side of the bulge part (18), an end push block (24) is slidably connected to the transverse sliding grooves (1101), and the top end face of the end push block (24) is higher than the top end face of the right side of the fixed push plate (11), the left side of the end pushing block (24) is provided with an elastic compression resetting piece, the top end of the end pushing block (24) is provided with a lower wedge block (26), and the lower wedge block (26) is matched with the upper wedge-shaped balancing weight (23).

2. The fixing device for PCB processing of claim 1, wherein: first spout (201) have been seted up to operation panel (2) top right side front portion, sliding connection has first slider (4) in first spout (201), platform (5) are placed at the right front end angle of first slider (4) top fixed connection, first slider (4) middle part threaded connection has vertical lead screw (6), vertical lead screw (6) are anterior to be rotated through first bearing (7) and are connected on preceding curb plate (8), preceding curb plate (8) fixed mounting is on operation panel (2) front end right side, vertical lead screw (6) front end fixedly connected with adjust knob (9).

3. The fixing device for PCB processing of claim 1, wherein: right back sink groove and right front sink groove of rectangle are seted up respectively to right back end angle place platform (3) and right front end angle place platform (5) one side in opposite directions, right back sink groove and right front sink groove bottom end face flush simultaneously with fixed push pedal (11) top end face flush.

4. The fixing device for PCB processing of claim 1, wherein: second spout (202) have been seted up at operation panel (2) top right side middle part, sliding connection has second slider (10) in second spout (202), the fixed push pedal (11) of second slider (10) top fixed connection, horizontal lead screw (12) of second slider (10) middle part threaded connection horizontal lead screw (12) left side is rotated through second bearing (13) and is connected with left side board (14), left side board (14) fixed mounting is at operation panel (2) left side tip, horizontal lead screw (12) left end fixed connection has servo drive mechanism.

5. The fixing device for PCB processing of claim 4, wherein: servo actuating mechanism includes servo motor (15) and motor mount pad (16), horizontal lead screw (12) left end of servo motor (15) output end fixed connection, servo motor (15) pass through motor mount pad (16) fixed connection at left side board (14) left end middle part, servo motor (15) electric connection has the power.

6. The fixing device for PCB processing of claim 1, wherein: two sets of third spout (203) that transversely set up are seted up to operation panel (2) top right side front and back symmetry, sliding connection has third slider (17) in third spout (203), fixed push pedal (11) of third slider (17) top fixed connection.

7. The fixing device for PCB processing of claim 1, wherein: the upper portion of the protruding portion (18) is provided with a rotating shaft (19) penetrating through the front portion and the rear portion of the protruding portion (18), and the middle portions of a plurality of groups of pressing arms (20) are evenly connected to the rotating shaft (19) in a rotating mode.

8. The fixing device for PCB processing of claim 1, wherein: the right end part of the lower pressure arm (20) is hinged with a rubber wheel (22) through a hinge shaft (21).

9. The fixing device for PCB processing of claim 1, wherein: the elastic pressing reset piece is a spring (25), the left end of the end push block (24) is fixedly connected with one end of the spring (25), and the other end of the spring (25) is fixedly connected to the inner wall of the left side of the transverse sliding groove (1101).

10. The fixing device for PCB processing of claim 1, wherein: the sum of the weight of the lower pressing arm (20) close to the left side of the rotating shaft (19) and the weight of the upper wedge-shaped balancing weight (23) is larger than the sum of the weight of the lower pressing arm (20) close to the right side of the rotating shaft (19), the weight of the articulated shaft (21) and the weight of the rubber wheel (22).