CN108723817B - Clamp structure for clamping L-shaped workpiece - Google Patents
Clamp structure for clamping L-shaped workpiece Download PDFInfo
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- CN108723817B CN108723817B CN201810500733.XA CN201810500733A CN108723817B CN 108723817 B CN108723817 B CN 108723817B CN 201810500733 A CN201810500733 A CN 201810500733A CN 108723817 B CN108723817 B CN 108723817B
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- vertical
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- clamping part
- shaped workpiece
- clamping
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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
Abstract
The invention discloses a clamp structure for clamping an L-shaped workpiece, which comprises a clamping base for placing the L-shaped workpiece, the clamping base comprises a horizontal part and a vertical part vertical to the horizontal part, the horizontal part is provided with a horizontal clamping part which can rotate relative to the horizontal part and can clamp the horizontal edge of the L-shaped workpiece, the vertical part is provided with a vertical clamping part which can rotate relative to the vertical part and can clamp the vertical side of the L-shaped workpiece, the horizontal clamping part is rotatably connected with a pull rod which can pull the horizontal clamping part to rotate so as to clamp the horizontal edge of the L-shaped workpiece, a through groove for the pull rod to slide in is arranged on the vertical clamping part, a thread is also arranged on one end of the pull rod, which is far away from the horizontal clamping part, the pull rod (4) is provided with a nut sleeve which is matched with the thread and is propped against the vertical clamping part, when the nut sleeve rotates relative to the pull rod, the nut sleeve pushes the vertical clamping part (3) to rotate so as to clamp the vertical edge of the L-shaped workpiece. The invention has simple structure, accurate positioning and good clamping effect.
Description
Technical Field
The invention relates to a clamp structure for clamping an L-shaped workpiece.
Background
In the field of machining, a machining process such as drilling a hole in an L-shaped workpiece such as an angle iron is often performed. However, the existing clamp structure for clamping the L-shaped workpiece has the following defects: as shown in fig. 6, the conventional clamping structure generally comprises a fixed seat 100 and a movable seat 200, the movable seat 200 approaches the fixed seat 100 to clamp the L-shaped workpiece 10 therebetween, after clamping, because the side edge of the L-shaped workpiece 10 in the thickness direction contacts the fixed seat 100, the contact area is small, the L-shaped workpiece is easy to deflect and uneven, and clamping force is applied from only one direction, the clamping effect is poor, and the workpiece machining size precision is low.
Therefore, the present invention has been made in view of the above disadvantages.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the clamp structure for clamping the L-shaped workpiece, which is simple in structure, accurate in positioning and good in clamping effect.
The invention is realized by the following technical scheme:
the utility model provides a centre gripping L shape work piece's anchor clamps structure which characterized in that: the clamping device comprises a clamping base 1 for placing an L-shaped workpiece 10, wherein the clamping base 1 comprises a horizontal part 11 and a vertical part 12 which is vertical to the horizontal part 11, the horizontal part 11 is provided with a horizontal clamping part 2 which can rotate relative to the horizontal part and can clamp a horizontal edge 10a of the L-shaped workpiece 10, the vertical part 12 is provided with a vertical clamping part 3 which can rotate relative to the vertical part and can clamp a vertical edge 10b of the L-shaped workpiece 10, the horizontal clamping part 2 is rotatably connected with a pull rod 4 which can pull the horizontal clamping part to clamp the horizontal edge 10a of the L-shaped workpiece 10, the vertical clamping part 3 is provided with a through groove 5 for the pull rod 4 to slide in, threads are further arranged on one end of the pull rod 4, which is far away from the horizontal clamping part 2, the pull rod 4 is sleeved with a nut sleeve 6 which is matched with the threads and abuts against the vertical clamping part 3, and when the nut sleeve 6 rotates relative to, the nut sleeve 6 pushes the vertical clamping part 3 to rotate so as to clamp the vertical edge 10b of the L-shaped workpiece 10.
The clamp structure for clamping the L-shaped workpiece is characterized in that: the horizontal clamping part 2 is provided with a plurality of first jacking columns 7 which are linearly arranged and can jack the horizontal edge 10a of the L-shaped workpiece 10.
The clamp structure for clamping the L-shaped workpiece is characterized in that: and a plurality of second jacking columns 8 which are linearly arranged and can jack the vertical edge 10b of the L-shaped workpiece 10 are arranged on the vertical clamping part 3.
The clamp structure for clamping the L-shaped workpiece is characterized in that: and a first torsion spring for driving the horizontal clamping part 2 to reset is arranged between the horizontal clamping part 2 and the clamping base 1.
The clamp structure for clamping the L-shaped workpiece is characterized in that: and a second torsion spring for driving the vertical clamping part 3 to reset is arranged between the vertical clamping part 3 and the clamping base 1.
The clamp structure for clamping the L-shaped workpiece is characterized in that: the vertical clamping part 3 is also provided with an anti-drop part for preventing the nut sleeve 6 from slipping relative to the vertical clamping part 3.
The clamp structure for clamping the L-shaped workpiece is characterized in that: the vertical clamping part 3 is provided with a groove 9, the end part of the nut sleeve 6 is propped against the groove bottom 9a of the groove 9, and the anti-falling part is a side wall 9b of the groove 9.
Compared with the prior art, the invention has the following advantages: when the clamp structure for clamping the L-shaped workpiece is used, the horizontal piece and the vertical edge of the L-shaped workpiece can lean against the horizontal part and the vertical part of the clamping base, the positioning is accurate, the pull rod and the nut sleeve move relatively when the nut sleeve is rotated, and the nut sleeve is propped against the vertical clamping part, so that the nut sleeve can pull the horizontal clamping part to rotate relative to the clamping base when rotating, the horizontal clamping part clamps the horizontal edge of the L-shaped workpiece in the rotating process and applies vertical clamping force to the horizontal edge, and the nut sleeve propped against the vertical clamping part can push the vertical clamping part to rotate relative to the clamping base when the nut sleeve rotates relative to the pull rod, and the vertical clamping part clamps the vertical edge of the L-shaped workpiece and applies horizontal clamping force to the vertical edge. Therefore, when the clamp structure for clamping the L-shaped workpiece clamps the L-shaped workpiece, the clamping force is applied to the L-shaped workpiece from the horizontal direction and the vertical direction, the clamping effect is good, the L-shaped workpiece is not easy to loosen, the horizontal clamping part and the vertical clamping part can be clamped simultaneously only by rotating the nut sleeve in the clamping operation process, and the operation is very convenient and fast.
[ description of the drawings ]
FIG. 1 is a perspective view of embodiment 1 of the present invention;
FIG. 2 is a side view of embodiment 1 of the present invention;
FIG. 3 is one of the schematic views of embodiment 1 of the present invention in the process of holding an L-shaped workpiece;
FIG. 4 is a second schematic view of the clamping process of the L-shaped workpiece in the embodiment 1 of the present invention;
FIG. 5 is a side view of embodiment 2 of the present invention;
fig. 6 is a schematic view of a conventional jig for holding an L-shaped workpiece.
[ detailed description ] embodiments
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 4, a clamp structure for clamping an L-shaped workpiece comprises a clamping base 1 for placing an L-shaped workpiece 10, wherein the clamping base 1 comprises a horizontal portion 11 and a vertical portion 12 perpendicular to the horizontal portion 11, the horizontal portion 11 is provided with a horizontal clamping portion 2 capable of rotating relative to the horizontal portion and clamping a horizontal edge 10a of the L-shaped workpiece 10, the vertical portion 12 is provided with a vertical clamping portion 3 capable of rotating relative to the vertical portion and clamping a vertical edge 10b of the L-shaped workpiece 10, the horizontal clamping portion 2 is rotatably connected with a pull rod 4 capable of pulling the horizontal clamping portion to clamp the horizontal edge 10a of the L-shaped workpiece 10, the vertical clamping portion 3 is provided with a through groove 5 for the pull rod 4 to slide in, a thread is further arranged on one end of the pull rod 4 away from the horizontal clamping portion 2, a nut sleeve 6 matched with the thread and abutted against the vertical clamping portion 3 is sleeved on the pull rod 4, when the nut sleeve 6 rotates relative to the pull rod 4, the nut sleeve 6 pushes the vertical clamping part 3 to rotate so as to clamp the vertical edge 10b of the L-shaped workpiece 10.
As shown in fig. 3 and 4, in use, the horizontal piece 10a and the vertical edge 10b of the L-shaped workpiece 10 are abutted against the horizontal part 11 and the vertical part 12 of the clamping base 1, and are accurately positioned, when the nut sleeve 6 is rotated, the pull rod 4 and the nut sleeve 6 move relatively in the axial direction of the pull rod 4, the pull rod 4 slides in the through groove 5, and the nut sleeve 6 is abutted against the vertical clamping part 3, so that the nut sleeve 6 rotates to pull the horizontal clamping part 2 to rotate relative to the clamping base 1, the horizontal clamping part 2 clamps the horizontal edge 10a of the L-shaped workpiece 10 during rotation and applies a clamping force in the vertical direction to the horizontal edge 10a, and when the nut sleeve 6 rotates relative to the pull rod 4, the nut sleeve 6 abutted against the vertical clamping part 3 pushes the vertical clamping part 3 to rotate relative to the clamping base 1, the vertical clamping part 3 clamps the vertical edge 10b of the L-shaped workpiece 10, and applies a horizontal clamping force to the vertical side 10b, when the nut socket 6 is rotated, the pull rod 4 and the nut socket 6 are relatively moved in the axial direction of the pull rod 4, so that the horizontal clamping portion 2 and the vertical clamping portion 3 are rotated relative to the clamping base 1 to clamp the L-shaped workpiece 10, and the end surface of the nut socket 6 slides on the vertical clamping portion 3. Therefore, when the clamp structure for clamping the L-shaped workpiece clamps the L-shaped workpiece, clamping force is applied to the L-shaped workpiece from the horizontal direction and the vertical direction, the clamping effect is good, the L-shaped workpiece is not easy to loosen, the L-shaped workpiece 10 can be clamped simultaneously from two directions by the horizontal clamping part 2 and the vertical clamping part 3 only by rotating the nut sleeve 6 in the clamping operation process, the operation is very convenient and fast, and the clamping is very firm.
As shown in fig. 2, the horizontal clamping portion 2 is provided with a plurality of first pressing columns 7 which are linearly arranged and can press the horizontal side 10a of the L-shaped workpiece 10, and the vertical clamping portion 3 is provided with a plurality of second pressing columns 8 which are linearly arranged and can press the vertical side 10b of the L-shaped workpiece 10.
A first torsion spring (not shown in the figure) for driving the horizontal clamping part 2 to reset is arranged between the horizontal clamping part 2 and the clamping base 1, and a second torsion spring (not shown in the figure) for driving the vertical clamping part 3 to reset is arranged between the vertical clamping part 3 and the clamping base 1. When the L-shaped workpiece 10 is processed and needs to be taken down, the nut sleeve 6 only needs to be rotated in the opposite direction, and the first torsion spring and the second torsion spring push the horizontal clamping part 2 and the vertical clamping part 3 to rotate and reset so as to loosen the L-shaped workpiece 10.
Example 2:
as shown in fig. 5, embodiment 2 differs from embodiment 1 in that:
the vertical clamping part 3 is also provided with an anti-drop part for preventing the nut sleeve 6 from slipping relative to the vertical clamping part 3. The vertical clamping part 3 is provided with a groove 9, the end part of the nut sleeve 6 is propped against the groove bottom 9a of the groove 9, and the anti-falling part is a side wall 9b of the groove 9. When the nut sleeve 6 rotates to pull the pull rod 4, the pull rod 4 is rotatably connected with the horizontal clamping part 2, and the vertical clamping part 3 is rotatably connected with the clamping base 1, so that the nut sleeve 6 and the vertical clamping part 3 can slide at the contact position, and the side wall 9b of the groove 9 can prevent the nut sleeve 6 from slipping, thereby avoiding losing the clamping function.
Claims (7)
1. The utility model provides a centre gripping L shape work piece's anchor clamps structure which characterized in that: including centre gripping base (1) that is used for placing L shape work piece (10), centre gripping base (1) include horizontal part (11) and with horizontal part (11) vertically vertical portion (12), horizontal part (11) on be equipped with horizontal clamping part (2) that can its rotation relatively and can centre gripping L shape work piece (10) horizontal edge (10a), vertical portion (12) on be equipped with vertical clamping part (3) that can its rotation relatively and can centre gripping L shape work piece (10) vertical edge (10b), horizontal clamping part (2) on rotate and be connected with pull rod (4) that can stimulate its rotation and centre gripping L shape work piece (10) horizontal edge (10a), vertical clamping part (3) on be equipped with and supply gliding logical groove (5) including pull rod (4), pull rod (4) on and keep away from horizontal clamping part (2) one end and still be equipped with the screw thread, pull rod (4) on the cover be equipped with the screw thread cooperate and support and lean on the screw thread and lean on vertical clamping part (3) screw thread And the female sleeve (6) pushes the vertical clamping part (3) to rotate to clamp the vertical edge (10b) of the L-shaped workpiece (10) when the nut sleeve (6) rotates relative to the pull rod (4).
2. The structure of a clamp for holding an L-shaped workpiece according to claim 1, wherein: the horizontal clamping part (2) is provided with a plurality of first jacking columns (7) which are linearly arranged and can jack and press the horizontal edge (10a) of the L-shaped workpiece (10).
3. The structure of a clamp for holding an L-shaped workpiece according to claim 1, wherein: and the vertical clamping part (3) is provided with a plurality of second jacking columns (8) which are linearly arranged and can jack the vertical edge (10b) of the L-shaped workpiece (10).
4. The structure of a clamp for holding an L-shaped workpiece according to claim 1, wherein: a first torsion spring for driving the horizontal clamping part (2) to reset is arranged between the horizontal clamping part (2) and the clamping base (1).
5. The structure of a clamp for holding an L-shaped workpiece according to claim 1, wherein: and a second torsion spring for driving the vertical clamping part (3) to reset is arranged between the vertical clamping part (3) and the clamping base (1).
6. The structure of a clamp for holding an L-shaped workpiece according to claim 1, wherein: the vertical clamping part (3) is also provided with an anti-drop part for preventing the nut sleeve (6) from slipping relative to the vertical clamping part (3).
7. The structure of a holder for holding an L-shaped workpiece according to claim 6, wherein: the vertical clamping part (3) is provided with a groove (9), the end part of the nut sleeve (6) abuts against the groove bottom (9a) of the groove (9), and the anti-falling part is a side wall (9b) of the groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500733.XA CN108723817B (en) | 2018-05-23 | 2018-05-23 | Clamp structure for clamping L-shaped workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500733.XA CN108723817B (en) | 2018-05-23 | 2018-05-23 | Clamp structure for clamping L-shaped workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108723817A CN108723817A (en) | 2018-11-02 |
| CN108723817B true CN108723817B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810500733.XA Active CN108723817B (en) | 2018-05-23 | 2018-05-23 | Clamp structure for clamping L-shaped workpiece |
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| CN (1) | CN108723817B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433773A (en) * | 2013-08-14 | 2013-12-11 | 江苏江旭铸造集团有限公司 | Aslant intake manifold orifice milling locating device |
| CN205587883U (en) * | 2016-04-25 | 2016-09-21 | 江苏正兴建设机械有限公司 | Angle iron welding positioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107365B (en) * | 2009-12-24 | 2013-10-09 | 鸿富锦精密工业（深圳）有限公司 | Inclined clamping mechanism |
-
2018
- 2018-05-23 CN CN201810500733.XA patent/CN108723817B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433773A (en) * | 2013-08-14 | 2013-12-11 | 江苏江旭铸造集团有限公司 | Aslant intake manifold orifice milling locating device |
| CN205587883U (en) * | 2016-04-25 | 2016-09-21 | 江苏正兴建设机械有限公司 | Angle iron welding positioner |
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| Publication number | Publication date |
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| CN108723817A (en) | 2018-11-02 |
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Effective date of registration: 20200605 Address after: 100176 Room 302, building 5, yard 156, Jinghai Fourth Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Applicant after: BEIJING ZIXI BIOTECHNOLOGY Co.,Ltd. Address before: 528400 Guangdong city of Zhongshan Province East Yinwan Road No. 106 Applicant before: Liang Shuiying |
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Address after: 2nd Floor, West Half Unit, Building 3, No. 105 Jinghai Third Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 Patentee after: BEIJING ZIXI BIOTECHNOLOGY CO.,LTD. Address before: 100176 Room 302, building 5, yard 156, Jinghai 4th Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING ZIXI BIOTECHNOLOGY CO.,LTD. |