CN111836471A - Clamping and limiting device for PCB - Google Patents
Clamping and limiting device for PCB Download PDFInfo
- Publication number
- CN111836471A CN111836471A CN202010642884.6A CN202010642884A CN111836471A CN 111836471 A CN111836471 A CN 111836471A CN 202010642884 A CN202010642884 A CN 202010642884A CN 111836471 A CN111836471 A CN 111836471A
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- China
- Prior art keywords
- fixed
- rod
- clamping
- pcb
- rack plate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/15—Position of the PCB during processing
- H05K2203/1509—Horizontally held PCB
Abstract
The invention discloses a clamping limiting device of a PCB (printed circuit board), which comprises a clamping platform, wherein a concave table is formed on the clamping platform, a notch is formed on the clamping platform, a supporting plate is fixed on the notch, a pushing cylinder is fixed on the supporting plate, a lower rack plate is fixed on the pushing cylinder, a pushing block is fixed on the lower rack plate, a lower gear is meshed with the lower rack plate, an upper gear is meshed with the lower gear, an upper rack plate is meshed with the upper gear, a linkage rod is fixed on the upper rack plate, and a pull rod is fixed on the linkage rod; the pull rod is fixed with the connector, it has the actuating lever to peg graft in the connector, the shaping has convex guide way on the actuating lever, the guide way is pegged graft and is had a company axle, peg graft on the connector at the both ends of company axle, the upside of actuating lever is equipped with depression bar down, it has the round pin axle to peg graft in the guide way, the round pin axle is fixed on depression bar down, the downside of actuating lever is equipped with the layering, the shaping has the spliced pole on the up end of strip, fixed plug bush has the pressure spring on the spliced pole, the pressure spring is fixed.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board) processing equipment, in particular to a clamping and limiting device for a PCB.
Background
In the course of working at the PCB board, need arrange the PCB board in the work platform of digit control machine tool on, the PCB board is fixed on work platform through the absorbent mode of negative pressure, however in the course of working, the PCB board can appear slightly rocking phenomenon, can lead to the machining error to appear like this, consequently, set up two sets of relative pneumatic splint structures among the prior art, utilize splint to carry out the centre gripping to the relative both sides limit of PCB board and spacing to stop rocking, nevertheless splint have only restricted the side of PCB board under this kind of condition, in the course of working, vertical square slight displacement still can appear in the PCB board, influence the machining precision.
In view of the above-mentioned defects, the present designer actively makes research and innovation to create a new clamping and limiting device for PCB board, so that the device has more industrial utility value.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a clamping and limiting device for a PCB, which can effectively limit the PCB so as to avoid displacement deviation in the processing process of the PCB.
The invention relates to a clamping and limiting device of a PCB (printed circuit board), which comprises a clamping platform, wherein a rectangular concave platform is formed on the upper end surface of the clamping platform, a notch is formed in the middle of the right side of the clamping platform, a vertical supporting plate is fixed on the right side of the notch, a pushing cylinder is fixed on the right side wall of the supporting plate, a piston rod of the pushing cylinder penetrates through the supporting plate and is fixed with a horizontal lower rack plate, a pushing block is fixed at the left end of the lower rack plate, a lower gear is meshed with the upper side of the lower rack plate, an upper gear is meshed with the upper side of the lower gear, a horizontal upper rack plate is meshed with the upper side of the upper gear, a linkage rod is fixed at the left end of the upper rack plate, and pull rods are fixed at the front end and the rear;
the left end of the pull rod is fixedly provided with a T-shaped connector, an arc-shaped driving rod is inserted in the connector, the left end of the driving rod is hinged on a hinged seat, the hinged seat is fixed on the clamping platform, an arc-shaped guide groove is formed in the driving rod, a connecting shaft is inserted in the right side of the guide groove, two ends of the connecting shaft are inserted in the connector, a longitudinal lower pressing rod is arranged on the upper side of the driving rod, a pin shaft is inserted in the guide groove, two ends of the pin shaft are respectively fixed on an outer connecting block and an inner connecting block, the outer connecting block and the inner connecting block are both fixed on the lower end face of the lower pressing rod, a longitudinal pressing strip is arranged on the lower side of the driving rod, a longitudinal groove communicated with a concave table is formed in the left side of the upper end face of the clamping platform, the pressing strip is inserted in the longitudinal groove, a plurality of connecting columns are formed on the upper end face, the upper end of the pressure spring is fixed on the lower pressure rod.
By the technical scheme, when the PCB clamping device is used, a PCB is placed in a concave table of a clamping platform, then the pushing cylinder is started, the pushing cylinder drives the lower rack plate to move leftwards, the lower rack plate drives the pushing block to move leftwards, the pushing block can move the PCB to the left side of the concave table, meanwhile, the lower rack plate drives the upper rack plate to move leftwards through the meshing action of the lower gear and the upper gear during moving, the upper rack plate drives the linkage rod to move leftwards, the linkage rod drives the pull rod to move leftwards, so that the connecting head moves leftwards, the connecting shaft on the connecting head moves leftwards along the guide groove of the driving rod, so that the driving rod is driven to rotate downwards around the hinge seat, the driving rod enables the lower pressing rod to move downwards under the action of the pin shaft, the outer connecting block and the inner connecting block, the lower pressing rod drives the pressing strip to press downwards, the pressing strip presses and holds the PCB under the pressing strip through the action of the pressing spring between the pressing strip and, meanwhile, the PCB abuts against the left side wall of the concave table, so that the PCB is limited by the pressing strip, the pushing block and the concave table, and the PCB can be prevented from being displaced during processing; in the process, the lower rack plate, the lower gear, the upper gear and the connection between the upper rack plate enable the pushing cylinder to drive the pushing block to move left firstly, then the linkage rod and the pull rod are driven to move left through transmission delay, so that the pushing block firstly pushes the PCB to move towards the left side of the concave table, the pressing strip is pressed down to press and hold the PCB after a period of time, the pressing strip is pressed and held after the PCB is abutted against the left side wall of the concave table, and then the PCB is pressed and held, and therefore the clamping limiting efficiency of the PCB is improved.
Through the scheme, the clamping and limiting device for the PCB can effectively limit the PCB, so that the displacement deviation in the PCB processing process is avoided.
Preferably, a guide rod is formed at the upper end of the pressing strip, the guide rod is inserted into the inner connecting block, and the upper end of the guide rod penetrates out of the lower pressing rod.
Preferably, a support plate is formed on the support plate, the upper gear is hinged to the support plate through an upper hinge shaft, and the lower gear is hinged to the support plate through a lower hinge shaft.
Preferably, the pushing block is composed of an upper horizontal part and a lower vertical part, the lower end of the vertical part abuts against the bottom surface of the concave table, and the horizontal part is screwed with a vertical pressing bolt.
Preferably, the pull rods are distributed on the front side and the rear side of the concave table, the pull rods are inserted into the guide blocks, and the guide blocks are fixed on the clamping platforms on the front side and the rear side of the concave table.
Preferably, the arc radian of the driving rod is larger than 1/4 full circle radian and smaller than semicircle arc radian, and the arc center of the driving rod coincides with the arc center of the guide groove.
Preferably, the upper rack plate is inserted on the support plate; the linkage rod is positioned on the right side of the concave table.
Preferably, a rectangular slot hole penetrating through the lower end face of the clamping platform is formed in the bottom face of the concave table, and the length and the width of the concave table are respectively greater than those of the rectangular slot hole.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic structural view of the push block of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The following refers to fig. 1 to 4.
The invention relates to a clamping and limiting device of a PCB (printed Circuit Board), which comprises a clamping platform 1, wherein a rectangular concave platform 11 is formed on the upper end surface of the clamping platform, a rectangular groove hole 111 penetrating through the lower end surface of the clamping platform is formed on the bottom surface of the concave platform, the length and the width of the concave platform are respectively greater than those of the rectangular groove hole, a notch 12 is formed in the middle of the right side of the clamping platform, a vertical supporting plate 13 is fixed on the right side of the notch, a pushing cylinder 2 is fixed on the right side wall of the supporting plate, a piston rod of the pushing cylinder penetrates through the supporting plate and is fixed with a horizontal lower rack plate 31, a pushing block 4 is fixed at the left end of the lower rack plate and consists of a horizontal part 41 at the upper side and a vertical part 42 at the lower side, the lower end of the vertical part abuts against the bottom surface of the concave platform 11, a vertical pressing bolt 43 is screwed on the horizontal part, a lower gear 51 is meshed with the upper side of, an upper gear 52 is meshed with the upper side of the lower gear, a horizontal upper toothed plate 32 is meshed with the upper side of the upper gear, a support plate 131 is formed on a support plate 13, the upper gear 52 is hinged to the support plate through an upper hinge shaft 521, the lower gear 51 is hinged to the support plate through a lower hinge shaft 511, the upper toothed plate is inserted into the support plate, a linkage rod 6 is fixed to the left end of the upper toothed plate, the linkage rod is located on the right side of the concave table, pull rods 61 are fixed to the front end and the rear end of the linkage rod, the pull rods are distributed on the front side and the rear side of the concave table, the pull rods are inserted into guide blocks 14, and the guide blocks are fixed to clamping platforms 1 on the front side and the rear side of.
The left end of the pull rod 61 is fixed with a T-shaped connector 62, an arc-shaped driving rod 7 is inserted in the connector, the left end of the driving rod is hinged on a hinge seat 15, the hinge seat is fixed on the clamping platform 1, an arc-shaped guide groove 71 is formed on the driving rod 7, the arc radian of the driving rod is larger than 1/4 full circle arc radian and smaller than semicircular arc radian, the arc circle center of the driving rod is coincident with the arc center of the guide groove, the right side of the guide groove is inserted with a connecting shaft 81, the two ends of the connecting shaft are inserted on the connector 62, the upper side of the driving rod is provided with a longitudinal pressing rod 9, a pin shaft is inserted in the guide groove, the two ends of the pin shaft 82 are respectively fixed on an outer connecting block 91 and an inner connecting block 92, the outer connecting block and the inner connecting block are both fixed on the lower end face of the pressing rod, the lower side of the driving rod 7 is provided, the upper end of the pressing strip is provided with a guide rod 101 in a molding mode, the guide rod is inserted into the inner connecting block 92 in a plugging mode, the upper end of the guide rod penetrates through the lower pressing rod 9, a longitudinal groove 16 communicated with the concave table is formed in the left side of the upper end face of the clamping platform 1, the pressing strip 10 is inserted into the longitudinal groove in a plugging mode, a plurality of connecting columns 102 are formed in the upper end face of the pressing strip, a pressure spring 20 is fixedly inserted and sleeved on each connecting column, and the upper end of the pressure spring is fixed on the lower pressing rod 9.
In the specific implementation of the invention, a PCB is placed in a concave table 11 of a clamping platform 1, then a pushing cylinder 2 is started, the pushing cylinder drives a lower rack plate 31 to move left, the lower rack plate drives a pushing block 4 to move left, the pushing block can move the PCB to the left side of the concave table 11, meanwhile, the lower rack plate 31 drives an upper rack plate 32 to move left through the meshing action of a lower gear 51 and an upper gear 52 when moving, the upper rack plate drives a linkage rod 6 to move left, the linkage rod drives a pull rod 61 to move left, so that a connecting head 62 moves left, a connecting shaft 81 on the connecting head moves left along a guide groove 71 of a driving rod 7, the driving rod is driven to rotate downwards around a hinge seat 15, so that the driving rod enables a lower pressure rod 9 to move downwards under the action of a pin shaft 82, an outer connecting block 91 and an inner connecting block 92, the lower pressure rod drives a pressure strip 10 to press downwards, the pressing strip presses and holds the PCB downwards through the action of a pressure spring 20 between the pressing strip and the lower pressure rod, and the pressing strip presses and, meanwhile, the PCB abuts against the left side wall of the concave platform 11, so that the pressing strip 10, the push block 4 and the concave platform 11 are utilized to limit the PCB, and the PCB can be prevented from being displaced during processing; in the process, the lower rack plate 31, the lower gear 51, the upper gear 52 and the upper rack plate 32 are connected to enable the pushing cylinder 2 to drive the pushing block 4 to move left firstly, then the linkage rod 6 and the pull rod 61 are driven to move left through transmission delay, so that the pushing block 4 firstly pushes the PCB to move towards the left side of the concave table 11, the pressing strip 10 presses down the PCB after a period of time, the pressing strip 10 presses the PCB after the PCB is supported on the left side wall of the concave table 11, and then the PCB is pressed and held by the pressing strip 10, and therefore the clamping limiting efficiency of the PCB is improved.
In summary, the clamping and limiting device for the PCB can effectively limit the PCB, so that displacement deviation in the PCB processing process is avoided.
The clamping and position-limiting device for PCB provided by the present invention is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. The utility model provides a centre gripping stop device of PCB board, is including pressing from both sides dress platform (1), it has concave station (11) of rectangle to press from both sides the shaping on the up end of dress platform, its characterized in that: a notch (12) is formed in the middle of the right side of the clamping platform, a vertical supporting plate (13) is fixed on the right side of the notch, a pushing cylinder (2) is fixed on the right side wall of the supporting plate, a piston rod of the pushing cylinder penetrates through the supporting plate and is fixed with a horizontal lower rack plate (31), a pushing block (4) is fixed at the left end of the lower rack plate, a lower gear (51) is meshed at the upper side of the lower rack plate, an upper gear (52) is meshed at the upper side of the lower gear, a horizontal upper rack plate (32) is meshed at the upper side of the upper gear, a linkage rod (6) is fixed at the left end of the upper rack plate, and pull rods (61) are fixed at the front end and the rear;
the left end of the pull rod (61) is fixedly provided with a T-shaped connector (62), a circular arc-shaped driving rod (7) is inserted in the connector, the left end of the driving rod is hinged to a hinged seat (15), the hinged seat is fixed on the clamping platform (1), a circular arc-shaped guide groove (71) is formed in the driving rod, a connecting shaft (81) is inserted in the right side of the guide groove, two ends of the connecting shaft are inserted in the connector (62), a longitudinal lower pressing rod (9) is arranged on the upper side of the driving rod, a pin shaft (82) is inserted in the guide groove, two ends of the pin shaft are respectively fixed on an outer connecting block (91) and an inner connecting block (92), the outer connecting block and the inner connecting block are fixed on the lower end face of the lower pressing rod, a longitudinal pressing strip (10) is arranged on the lower side of the driving rod, and a longitudinal groove (16) communicated with the concave platform (11) is formed in the left side of, the pressing strip is inserted into the longitudinal groove, a plurality of connecting columns (102) are formed on the upper end face of the pressing strip, a pressure spring (20) is fixedly inserted and sleeved on each connecting column, and the upper end of each pressure spring is fixed on the lower pressing rod (9).
2. The PCB clamping and limiting device of claim 1, wherein: the upper end of the pressing strip (10) is formed with a guide rod (101), the guide rod is inserted into the inner connecting block (92), and the upper end of the guide rod penetrates out of the lower pressing rod (9).
3. The PCB clamping and limiting device of claim 1, wherein: a support plate (131) is formed on the support plate (13), the upper gear (52) is hinged on the support plate (131) through an upper hinge shaft (521), and the lower gear (51) is hinged on the support plate through a lower hinge shaft (511).
4. The PCB clamping and limiting device of claim 1, wherein: the push block (4) is composed of a horizontal part (41) on the upper side and a vertical part (42) on the lower side, the lower end of the vertical part is abutted against the bottom surface of the concave table (11), and a vertical pressing bolt (43) is screwed on the horizontal part.
5. The PCB clamping and limiting device of claim 1, wherein: the pull rods (61) are distributed on the front side and the rear side of the concave table (11), the pull rods are inserted into the guide blocks (14), and the guide blocks are fixed on the clamping platforms (1) on the front side and the rear side of the concave table.
6. The PCB clamping and limiting device of claim 1, wherein: the arc radian of the driving rod (7) is larger than 1/4 full circle arc radian and smaller than semicircle arc radian, and the arc center of the driving rod coincides with the arc center of the guide groove (71).
7. The PCB clamping and limiting device of claim 1, wherein: the upper rack plate (32) is inserted on the support plate (13); the linkage rod (6) is positioned on the right side of the concave platform (11).
8. The PCB clamping and limiting device of claim 1, wherein: the bottom surface of the concave platform (11) is provided with a rectangular groove hole (16) which penetrates through the lower end surface of the clamping platform (1), and the length and the width of the concave platform are respectively greater than those of the rectangular groove hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642884.6A CN111836471B (en) | 2020-07-06 | 2020-07-06 | Clamping and limiting device for PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642884.6A CN111836471B (en) | 2020-07-06 | 2020-07-06 | Clamping and limiting device for PCB |
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| CN111836471A true CN111836471A (en) | 2020-10-27 |
| CN111836471B CN111836471B (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010642884.6A Active CN111836471B (en) | 2020-07-06 | 2020-07-06 | Clamping and limiting device for PCB |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112867257A (en) * | 2021-01-04 | 2021-05-28 | 深圳市科晟电子有限公司 | Process method for inserting plug connector on circuit board |
| CN114918541A (en) * | 2022-07-21 | 2022-08-19 | 武汉达姆科技有限公司 | Automatic coupling device applied to optical module |
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| CN111347278A (en) * | 2020-03-13 | 2020-06-30 | 温州易正科技有限公司 | Clamping tool for processing PCB |
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| JPH081418A (en) * | 1994-06-17 | 1996-01-09 | Nissan Motor Co Ltd | Method and jig for holding work |
| JPH09201738A (en) * | 1996-01-25 | 1997-08-05 | Kuroda Precision Ind Ltd | Collision preventing device for machine tool |
| CN104609230A (en) * | 2015-01-19 | 2015-05-13 | 宁波欣达印刷机器有限公司 | Multifunctional winding device used for machining winding drum material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112867257A (en) * | 2021-01-04 | 2021-05-28 | 深圳市科晟电子有限公司 | Process method for inserting plug connector on circuit board |
| CN114918541A (en) * | 2022-07-21 | 2022-08-19 | 武汉达姆科技有限公司 | Automatic coupling device applied to optical module |
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| Publication number | Publication date |
|---|---|
| CN111836471B (en) | 2021-12-03 |
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Effective date of registration: 20211117 Address after: 318050 No. 64, Luoyang Road, Luoyang street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: Taizhou Luqiao Juxin Electronics Co.,Ltd. Address before: 317600 100m east of the intersection of Neihuan West Road and Shuanggang Road, Yuhuan City, Taizhou City, Zhejiang Province Applicant before: Feng Chao |
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