CN111347278B - Clamping tool for processing PCB - Google Patents
Clamping tool for processing PCB Download PDFInfo
- Publication number
- CN111347278B CN111347278B CN202010172874.0A CN202010172874A CN111347278B CN 111347278 B CN111347278 B CN 111347278B CN 202010172874 A CN202010172874 A CN 202010172874A CN 111347278 B CN111347278 B CN 111347278B
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- platform
- clamping
- fixed
- rod
- concave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamping tool for processing 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 rectangular groove hole penetrating through the lower end surface of the clamping platform is formed on the bottom surface of the concave platform, a longitudinal groove communicated with the concave platform is formed on the upper end surface on the left side of the clamping platform, a rectangular notch is formed in the middle on the right side of the clamping platform, a longitudinal pressing strip is inserted in the longitudinal groove of the clamping platform, an L-shaped push block is inserted on the right side of the concave platform of the clamping platform, a push rod is fixed on the end surface on the right side of the push block, the push rod is inserted on the right side wall of the concave platform, and the right end of the push rod is inserted in the notch of the clamping platform.
Description
Technical Field
The invention relates to the technical field of numerical control machine tool clamps, in particular to a clamping tool for processing a PCB.
Background
At present, in the processing process of a PCB, the PCB needs to be arranged on a working platform of a numerical control machine tool, and some PCBs are fixed on the working platform in a negative pressure adsorption mode, but in the processing process, a slight shaking phenomenon can occur, and the shaking phenomenon can cause processing errors; therefore, some work can be provided with two groups of opposite pneumatic clamping plate structures, the clamping plates are used for limiting two opposite side edges of the PCB to prevent shaking, but the clamping plates only limit the side edges of the PCB, and the PCB still has slight vertical square displacement in the processing process; affecting the machining accuracy.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a clamping tool for processing a PCB, which can completely limit the PCB and avoid displacement deviation in the processing process of the PCB.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a clamping tool for processing a PCB comprises a clamping platform, wherein a rectangular concave platform is formed on the upper end face of the clamping platform, a rectangular groove hole penetrating through the lower end face of the clamping platform is formed in the bottom face of the concave platform, a longitudinal groove communicated with the concave platform is formed in the upper end face of the left side of the clamping platform, a rectangular notch is formed in the middle of the right side of the clamping platform, a longitudinal pressing strip is inserted in the longitudinal groove of the clamping platform, an L-shaped push block is inserted in the right side of the concave platform of the clamping platform, a push rod is fixed on the end face of the right side of the push block, the push rod is inserted in the right side wall of the concave platform, and the right end of the push rod is inserted in the notch of the clamping platform;
the upper end face of the pressing bar is fixedly provided with a plurality of connecting columns, springs are fixedly inserted on the connecting columns, the upper ends of the springs are fixed on longitudinal supporting rods, arc-shaped driving rods are arranged on the lower sides of the two ends of each supporting rod, the left ends of the driving rods are hinged on a hinge seat through hinge shafts, and the hinge seat is fixed on a clamping platform on the left side of the concave platform; the driving rod is provided with a circular arc-shaped guide groove, a pin shaft is inserted in the driving rod guide groove on the right lower side of the supporting rod, two ends of the pin shaft are respectively fixed on the outer connecting block and the inner connecting block, and the outer connecting block and the inner connecting block are both fixed on the lower end surface of the supporting rod; a connecting shaft is inserted into the driving rod guide groove on the right side of the supporting rod, two ends of the connecting shaft are inserted into Contraband-shaped connecting heads, the connecting heads are fixed on the transverse pull rods, the right end of each pull rod is fixed on a longitudinal linkage rod, the linkage rods are distributed on the right side of the concave table and are fixed with vertical connecting rods, and the lower ends of the connecting rods are fixed on the push rods; and a supporting plate is fixed on the clamping platform on the right side of the connecting rod, an air cylinder is fixed on the supporting plate, and a piston rod of the air cylinder penetrates through the supporting plate and is fixed on the connecting rod.
Preferably, the length and the width of the concave platform on the clamping platform are respectively greater than those of the rectangular slotted hole.
Preferably, the left side wall of the longitudinal groove on the clamping platform and the left side wall of the concave platform are in the same plane, and the bottom surface of the longitudinal groove on the clamping platform and the bottom surface of the concave platform are in the same plane.
Preferably, the arc radian of the driving rod is larger than that of 1/4 full circle and smaller than that of semicircle; the arc center of the driving rod coincides with the arc center of the guide groove.
Preferably, the inner connecting block is a column sleeve with a section in a shape like a Chinese character 'hui', a guide column is inserted into the column sleeve, and the lower end of the guide column is fixed on the pressing bar.
Preferably, the width of the opening on the connecting head is not less than the thickness of the driving rod, and the driving rod is inserted in the connecting head.
Preferably, the pull rods are distributed on the front side and the rear side of the concave station, guide blocks are inserted and sleeved on the pull rods, and the guide blocks are fixed on clamping platforms on the front side and the rear side of the concave station.
Preferably, the push block consists of a horizontal part at the upper part and a vertical part at the lower part, the vertical part of the push block abuts against the bottom surface of the concave table, and the horizontal part of the push block is screwed with a bolt.
The invention has the beneficial effects that: the PCB can be completely limited, and displacement deviation can be avoided in the PCB processing process.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
fig. 4 is a schematic top view of the present invention.
In the figure: 1. clamping the platform; 1a, a concave platform; 1b, rectangular slot holes; 1c, longitudinal grooves; 1d, notches; 2. layering; 3. a push block; 4. a push rod; 5. a connecting rod; 6. connecting columns; 7. a spring; 8. a support bar; 9. a drive rod; 9a, a guide groove; 10. a hinged seat; 11. a pin shaft; 12. an outer connecting block; 13. an inner connection block; 14. a guide post; 15. a connecting shaft; 16. a connector; 17. a pull rod; 18. a guide block; 19. a linkage rod; 20. a support plate; 21. a cylinder; 22. and (4) bolts.
Detailed Description
Example (b): as shown in fig. 1 to 4, a clamping tool for processing a PCB comprises a clamping platform 1, a rectangular concave platform 1a is formed on the upper end surface of the clamping platform 1, a rectangular slot 1b penetrating through the lower end surface of the clamping platform 1 is formed on the bottom surface of the concave platform 1a, a longitudinal slot 1c communicated with the concave platform 1a is formed on the upper end surface on the left side of the clamping platform 1, a rectangular notch 1d is formed in the middle of the right side of the clamping platform 1, a longitudinal pressing strip 2 is inserted in the longitudinal slot 1c of the clamping platform 1, an L-shaped push block 3 is inserted on the right side of the concave platform 1a of the clamping platform 1, a push rod 4 is fixed on the right side end surface of the push block 3, the push rod 4 is inserted on the right side wall of the concave platform 1a, and the right end of the push rod 4 is inserted in the notch 1d of the clamping platform 1;
a plurality of connecting columns 6 are fixed on the upper end face of the pressing bar 2, springs 7 are fixedly inserted on the connecting columns 6, the upper ends of the springs 7 are fixed on longitudinal supporting rods 8, circular-arc-shaped driving rods 9 are arranged on the lower sides of the two ends of the supporting rods 8, the left ends of the driving rods 9 are hinged to hinge seats 10 through hinge shafts, and the hinge seats 10 are fixed on the clamping platform 1 on the left side of the concave platform 1 a; a circular arc-shaped guide groove 9a is formed in the drive rod 9, a pin shaft 11 is inserted into the guide groove 9a of the drive rod 9 on the right lower side of the support rod 8, two ends of the pin shaft 11 are respectively fixed on an outer connecting block 12 and an inner connecting block 13, and the outer connecting block 12 and the inner connecting block 13 are both fixed on the lower end face of the support rod 8; a connecting shaft 15 is inserted into a guide groove 9a of the driving rod 9 on the right side of the supporting rod 8, two ends of the connecting shaft 15 are inserted into Contraband-shaped connectors 16, the connectors 16 are fixed on transverse pull rods 17, the right end of each pull rod 17 is fixed on a longitudinal linkage rod 19, the linkage rods 19 are distributed on the right side of the concave platform 1a and are fixed with vertical connecting rods 5, and the lower ends of the connecting rods 5 are fixed on the push rods 4; a supporting plate 20 is fixed on the clamping platform 1 on the right side of the connecting rod 5, an air cylinder 21 is fixed on the supporting plate 20, and a piston rod of the air cylinder 21 penetrates through the supporting plate 20 and is fixed on the connecting rod 5.
Preferably, the length and the width of the concave platform 1a on the clamping platform 1 are respectively larger than those of the rectangular slotted hole 1 b.
Preferably, the left side wall of the longitudinal groove 1c on the clamping platform 1 and the left side wall of the concave platform 1a are in the same plane, and the bottom surface of the longitudinal groove 1c on the clamping platform 1 and the bottom surface of the concave platform 1a are in the same plane.
Preferably, the arc radian of the driving rod 9 is larger than that of 1/4 full circle and smaller than that of semicircle; the arc center of the driving rod 9 coincides with the arc center of the guide groove 9 a.
Preferably, the inner connecting block 13 is a column sleeve with a cross section in a shape of a Chinese character 'hui', a guide column 14 is inserted into the column sleeve, and the lower end of the guide column 14 is fixed on the pressing bar 2.
Preferably, the width of the opening on the connecting head 16 is not less than the thickness of the driving rod 9, and the driving rod 9 is inserted into the connecting head 16.
Preferably, the pull rods 17 are distributed on the front side and the rear side of the concave platform 1a, the guide blocks 18 are inserted and sleeved on the pull rods 17, and the guide blocks 18 are fixed on the clamping platform 1 on the front side and the rear side of the concave platform 1 a.
Preferably, the push block 3 is composed of an upper horizontal part and a lower vertical part, the vertical part of the push block 3 abuts against the bottom surface of the concave platform 1a, and the horizontal part of the push block 3 is screwed with a bolt 22.
The working principle is as follows: the invention relates to a clamping tool for processing a PCB (printed circuit board), wherein the length of the PCB clamped by the clamping tool is less than the length of a concave table 1a on a clamping platform 1, the width of the PCB is equal to the width of the concave table 1a, and the specific clamping mode is as follows;
placing the PCB in a concave table 1a of a clamping platform 1, then starting an air cylinder 21, wherein the air cylinder 21 can push a push block 3, and the push block 3 can move the PCB to the left side of the concave table 1 a; meanwhile, the cylinder 21 can also push the pull rod 17 to move leftwards to drive the connector 16 to rotate leftwards, the connecting shaft 15 on the connector 16 moves leftwards along the guide groove 9a to drive the driving rod 9 to rotate downwards around the hinge seat 10, so that the driving rod 9 can press the supporting rod 8 downwards, the supporting rod 8 can drive the pressing strip 2 to press downwards, the pressing strip 2 presses the upper end face of the side edge of the PCB and is elastically pressed, and meanwhile, the PCB abuts against the left side wall of the concave table 1 a; utilize layering 2 and ejector pad 3 and concave station 1a to carry out spacingly to the PCB board, can prevent that the PBC board from taking place the displacement when processing.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (8)
1. The utility model provides a centre gripping frock is used in PCB board processing, is including pressing from both sides dress platform (1), and the shaping has concave station (1a) of rectangle on the up end of pressing from both sides dress platform (1), and the shaping has rectangular slotted hole (1b) that runs through to press from both sides dress platform (1) lower terminal surface on the bottom surface of concave station (1a), its characterized in that: a longitudinal groove (1c) communicated with the concave table (1a) is formed in the upper end face of the left side of the clamping platform (1), a rectangular notch (1d) is formed in the middle of the right side of the clamping platform (1), a longitudinal pressing strip (2) is inserted in the longitudinal groove (1c) of the clamping platform (1), an L-shaped push block (3) is inserted in the right side of the concave table (1a) of the clamping platform (1), a push rod (4) is fixed on the end face of the right side of the push block (3), the push rod (4) is inserted in the right side wall of the concave table (1a), and the right end of the push rod (4) is inserted in the notch (1d) of the clamping platform (1);
a plurality of connecting columns (6) are fixed on the upper end face of the pressing bar (2), springs (7) are fixedly inserted into the connecting columns (6), the upper ends of the springs (7) are fixed on longitudinal supporting rods (8), arc-shaped driving rods (9) are arranged on the lower sides of the two ends of each supporting rod (8), the left ends of the driving rods (9) are hinged to a hinge seat (10) through hinge shafts, and the hinge seat (10) is fixed on a clamping platform (1) on the left side of the concave platform (1 a); a circular arc-shaped guide groove (9a) is formed in the driving rod (9), a pin shaft (11) is inserted into the guide groove (9a) of the driving rod (9) on the right lower side of the supporting rod (8), two ends of the pin shaft (11) are respectively fixed on an outer connecting block (12) and an inner connecting block (13), and the outer connecting block (12) and the inner connecting block (13) are both fixed on the lower end face of the supporting rod (8); a connecting shaft (15) is inserted into a guide groove (9a) of the driving rod (9) on the right side of the supporting rod (8), two ends of the connecting shaft (15) are inserted into connectors (16) shaped like Contraband, the connectors (16) are fixed on transverse pull rods (17), the right end of each pull rod (17) is fixed on a longitudinal linkage rod (19), the linkage rods (19) are distributed on the right side of the concave table (1a) and are fixed with vertical connecting rods (5), and the lower ends of the connecting rods (5) are fixed on the push rods (4); a supporting plate (20) is fixed on the clamping platform (1) on the right side of the connecting rod (5), an air cylinder (21) is fixed on the supporting plate (20), and a piston rod of the air cylinder (21) penetrates through the supporting plate (20) and is fixed on the connecting rod (5).
2. The clamping tool for processing the PCB as recited in claim 1, wherein the clamping tool comprises: the length and the width of the concave platform (1a) on the clamping platform (1) are respectively greater than those of the rectangular slotted hole (1 b).
3. The clamping tool for processing the PCB as recited in claim 2, wherein the clamping tool comprises: the left side wall of a longitudinal groove (1c) on the clamping platform (1) and the left side wall of the concave platform (1a) are in the same plane, and the bottom surface of the longitudinal groove (1c) on the clamping platform (1) and the bottom surface of the concave platform (1a) are in the same plane.
4. The clamping tool for processing the PCB as recited in claim 1, wherein the clamping tool comprises: the arc radian of the driving rod (9) is larger than that of 1/4 full circle and smaller than that of semicircle; the arc center of the driving rod (9) coincides with the arc center of the guide groove (9 a).
5. The clamping tool for processing the PCB as recited in claim 1, wherein the clamping tool comprises: the inner connecting block (13) is a column sleeve with a square-shaped section, a guide column (14) is inserted in the column sleeve, and the lower end of the guide column (14) is fixed on the pressing strip (2).
6. The clamping tool for processing the PCB as recited in claim 1, wherein the clamping tool comprises: the width of an opening on the connector (16) is not less than the thickness of the driving rod (9), and the driving rod (9) is inserted into the connector (16).
7. The clamping tool for processing the PCB as recited in claim 1, wherein the clamping tool comprises: the pull rods (17) are distributed on the front side and the rear side of the concave table (1a), guide blocks (18) are inserted and sleeved on the pull rods (17), and the guide blocks (18) are fixed on the clamping platforms (1) on the front side and the rear side of the concave table (1 a).
8. The clamping tool for processing the PCB as recited in claim 1, wherein the clamping tool comprises: the push block (3) is composed of a horizontal part at the upper part and a vertical part at the lower part, the vertical part of the push block (3) is abutted against the bottom surface of the concave table (1a), and the horizontal part of the push block (3) is screwed with a bolt (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010172874.0A CN111347278B (en) | 2020-03-13 | 2020-03-13 | Clamping tool for processing PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010172874.0A CN111347278B (en) | 2020-03-13 | 2020-03-13 | Clamping tool for processing PCB |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111347278A CN111347278A (en) | 2020-06-30 |
| CN111347278B true CN111347278B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010172874.0A Active CN111347278B (en) | 2020-03-13 | 2020-03-13 | Clamping tool for processing PCB |
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| CN (1) | CN111347278B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111836471B (en) * | 2020-07-06 | 2021-12-03 | 台州市路桥聚鑫电子有限公司 | Clamping and limiting device for PCB |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01260350A (en) * | 1988-04-12 | 1989-10-17 | Hitachi Electron Eng Co Ltd | Suction table for green sheet inspection device |
| CN202162594U (en) * | 2011-07-20 | 2012-03-14 | 江苏迪飞达电子有限公司 | Workpiece clamping device |
| US20140239569A1 (en) * | 2013-02-26 | 2014-08-28 | International Business Machines Corporation | Universal clamping fixture to maintain laminate flatness during chip join |
| CN104440274A (en) * | 2014-12-07 | 2015-03-25 | 宁波市镇海秀洋广告装饰有限公司 | Clamping device for plate cutting |
| CN205888664U (en) * | 2016-07-18 | 2017-01-18 | 东莞万钧电子科技有限公司 | PCB board adds clamping apparatus |
| CN207464758U (en) * | 2017-11-06 | 2018-06-08 | 佛山市顺德区迈盛达自动化机械有限公司 | A kind of novel drilling and milling center manipulator |
| CN109692924B (en) * | 2018-12-29 | 2020-05-22 | 马鞍山秉信光电科技有限公司 | Pin cutting device of diode |
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2020
- 2020-03-13 CN CN202010172874.0A patent/CN111347278B/en active Active
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| CN111347278A (en) | 2020-06-30 |
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Effective date of registration: 20210705 Address after: 529040 room 02, 3rd floor, No.2 factory building, No.11 Bangmin Road, Jianghai District, Jiangmen City, Guangdong Province Applicant after: Jiangmen Haoyuan Technology Co.,Ltd. Address before: 325100 Building 9, Keji new village, Madao village, Jiangbei street, Yongjia County, Wenzhou City, Zhejiang Province Applicant before: WENZHOU YIZHENG TECHNOLOGY Co.,Ltd. |
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