CN109366081B - Tool for clamping irregular workpiece - Google Patents
Tool for clamping irregular workpiece Download PDFInfo
- Publication number
- CN109366081B CN109366081B CN201811570092.1A CN201811570092A CN109366081B CN 109366081 B CN109366081 B CN 109366081B CN 201811570092 A CN201811570092 A CN 201811570092A CN 109366081 B CN109366081 B CN 109366081B
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- China
- Prior art keywords
- clamping
- plate
- pressing block
- tool
- workpiece
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a frock for centre gripping irregular work piece, includes chuck, jack catch, first clamping unit and second clamping unit, the one end of chuck is fixed in the pivot of lathe, the other end of chuck is equipped with the jack catch, the jack catch is equipped with two sets of, two sets of the jack catch sets up perpendicularly, every group the jack catch is equipped with two, one of them set of be equipped with first clamping unit on the jack catch, another set of be equipped with the second clamping unit on the jack catch. The first clamping unit and the second clamping unit are respectively arranged, the first clamping unit and the second clamping unit are vertically arranged, the fixing of the workpiece on two degrees of freedom is realized, the clamping of rectangular pipes, channel steel, I-steel, U-steel and other irregularly shaped workpieces is realized, the fixing firmness during cutting is ensured, and the cutting quality is ensured.
Description
Technical Field
The invention belongs to the technical field of tool clamps, and particularly relates to a tool for clamping an irregular workpiece.
Background
When a laser cutting machine cuts a workpiece, the workpiece is usually required to be clamped and fixed, the existing clamp is usually of a symmetrical structure, and only circular pipes, square pipes and other pipes can be clamped; but in the practical application process, rectangular pipes, channel steel, I-steel, U-steel and other irregularly shaped workpieces are cut generally, and cannot be clamped when cut, so that the cutting quality is affected.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a tool for clamping irregular workpieces, which is provided with a first clamping unit and a second clamping unit respectively, and the first clamping unit and the second clamping unit are vertically arranged, so that the two degrees of freedom of the workpieces are fixed, the rectangular pipes, channel steel, I-steel, U-shaped steel and other irregularly-shaped workpieces are clamped, the fixation is firm during cutting, and the cutting quality is ensured.
The invention is realized by the following technical scheme:
the utility model provides a frock for centre gripping irregular work piece, includes chuck, jack catch, first clamping unit and second clamping unit, the one end of chuck is fixed in the pivot of lathe, the other end of chuck is equipped with the jack catch, the jack catch is equipped with two sets of, two sets of the jack catch sets up perpendicularly, every set of the jack catch is equipped with two, one of them set of be equipped with first clamping unit on the jack catch, another set of be equipped with the second clamping unit on the jack catch, first clamping unit includes the first grip block that two symmetries set up, first grip block is fixed respectively on the jack catch of same group, second clamping unit includes the second grip block that two symmetries set up, the second grip block is fixed respectively on the jack catch of same group with first clamping unit vertically. The first clamping unit and the second clamping unit are respectively arranged, the first clamping unit and the second clamping unit are vertically arranged, the fixing of the workpiece on two degrees of freedom is realized, the clamping of rectangular pipes, channel steel, I-steel, U-steel and other irregularly shaped workpieces is realized, the fixing firmness during cutting is ensured, and the cutting quality is ensured.
The first clamping plate comprises a first positioning plate, a first fixing plate is arranged on one side of the first positioning plate, a first supporting plate is arranged on the other side of the first positioning plate, and a first clamping part is arranged at the tail end of the first supporting plate. Set up locating plate and fixed plate, can fix a position first grip block, ensure the positioning accuracy of anchor clamps, set up first fixed plate, can fix first grip block on the jack catch, set up first clamping part simultaneously in the end of first backup pad, can carry out the clamping to the work piece.
One side of the first supporting plate and one side of the first clamping part are provided with first reinforcing ribs. The first reinforcing rib is arranged, so that the strength of the first clamping plate can be improved.
And a first pressing block is arranged on one side of the first clamping part opposite to the first reinforcing rib. The first pressing block is arranged, so that the workpiece can be pressed, and meanwhile, the workpiece is prevented from being damaged by rigid contact with the workpiece.
The second clamping plate comprises a second positioning plate, a second fixing plate is arranged on one side of the second positioning plate, a second supporting plate is arranged on the other side of the second positioning plate, and a baffle is arranged on one side of the first supporting plate. The baffle is arranged, so that the second pressing block can be prevented from shifting, and the stability of workpiece clamping is ensured.
And a second reinforcing rib is arranged between the second positioning plate and the baffle plate. The second reinforcing ribs are arranged, so that the strength of the second clamping plate can be improved, and destructive failure is avoided.
One side of the second supporting plate is provided with a second pressing block, and the second pressing block is arranged on the other side of the baffle plate, which is connected with the second reinforcing rib. The second pressing block is arranged to press the workpiece, and meanwhile, the workpiece is prevented from being damaged by rigid contact with the workpiece
The contact surfaces between the first clamping part and the first pressing block and the contact surfaces between the second supporting plate and the second pressing block are inclined surfaces. The inclined plane is arranged, and the machining error and the mounting error of the workpiece can be compensated by adjusting the position of the bolt in the strip-shaped groove, so that the rotation center of the workpiece is coaxial with the rotation center of the chuck, and the centering of workpiece clamping is ensured.
The first pressing block and the second pressing block are provided with various specifications according to different thicknesses. The first pressing block and the second pressing block are arranged to be replaceable in various thickness specifications, so that workpiece specifications capable of being clamped are diversified, and the universality of the tool is improved.
And anti-slip grooves are formed in the first pressing block and the second pressing block. The friction force between the first pressing block and the workpiece and the friction force between the second pressing block and the workpiece can be increased, so that the workpiece clamped in the chuck rotating process can be prevented from generating axial displacement due to centrifugal force, and the cutting precision of the workpiece can be prevented from being influenced.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the tool for clamping the irregular workpiece, the first clamping unit and the second clamping unit are respectively arranged, the first clamping unit and the second clamping unit are vertically arranged, the fixing of the workpiece in two degrees of freedom is achieved, the clamping of rectangular pipes, channel steel, I-steel, U-shaped steel and other irregularly-shaped workpieces is achieved, the fixing is firm during cutting, and the cutting quality is guaranteed;
2. according to the tool for clamping the irregular workpiece, the positioning plate and the fixing plate are arranged, so that the first clamping plate and the second clamping plate can be positioned, the positioning accuracy of the clamp is ensured, the first fixing plate is arranged, the first clamping plate can be fixed on the clamping jaw, and meanwhile, the first clamping part is arranged at the tail end of the first supporting plate, so that the workpiece can be clamped;
3. according to the tool for clamping the irregular workpiece, provided by the invention, the first reinforcing ribs and the second reinforcing ribs are arranged, so that the strength of the first clamping plate can be improved;
4. according to the tool for clamping the irregular workpiece, the first pressing block and the second pressing block are arranged, so that the workpiece can be pressed, and meanwhile, the workpiece is prevented from being damaged by rigid contact with the workpiece;
5. according to the tool for clamping the irregular workpiece, the inclined plane is arranged, and the machining error and the mounting error of the workpiece can be compensated through adjusting the position of the bolt in the strip-shaped groove, so that the rotation center of the workpiece is coaxial with the rotation center of the chuck, and the centering of workpiece clamping is ensured;
6. according to the tool for clamping the irregular workpiece, the first pressing block and the second pressing block are arranged to be replaceable in various thickness specifications, so that the workpiece specifications which can be clamped are more diversified, and the universality of the tool is improved;
7. according to the tool for clamping the irregular workpiece, the friction force between the first pressing block and the second pressing block and the workpiece can be increased, and the workpiece clamped in the rotating process of the chuck is prevented from generating axial displacement due to centrifugal force, so that the cutting precision of the workpiece is prevented from being influenced.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall side view of the present invention;
FIG. 3 is a schematic overall front view of the present invention;
FIG. 4 is a schematic view showing a bottom axial side structure of the first clamping plate of the present invention;
FIG. 5 is a schematic top view of the axial side structure of the first clamping plate of the present invention;
FIG. 6 is a schematic side view of a first clamping plate of the present invention;
FIG. 7 is a schematic view of the top axial side structure of the second clamping plate of the present invention;
FIG. 8 is a schematic plan view of a second clamping plate of the present invention;
FIG. 9 is a schematic side view of a second clamping plate of the present invention;
wherein, 1, a chuck, 2, a claw, 3, a first clamping unit, 4, a second clamping unit, 31, a first fixing plate, 32, a first positioning plate, 33, a first supporting plate, 34, a first reinforcing rib, 35, first clamping parts, 36, first pressing blocks, 37, anti-slip grooves, 41, second fixing plates, 42, second positioning plates, 43, second supporting plates, 44, second reinforcing ribs, 45, baffles, 46 and second pressing blocks.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1-3, a tool for clamping an irregular workpiece comprises a chuck 1, clamping jaws 2, a first clamping unit 3 and a second clamping unit 4, wherein one end of the chuck 1 is fixed on a rotating shaft of a machine tool, the other end of the chuck 1 is provided with the clamping jaws 2, the clamping jaws 2 are provided with two groups, the two groups of clamping jaws 2 are vertically arranged, each group of clamping jaws 2 is provided with two groups of clamping jaws 2, one group of clamping jaws 2 is provided with the first clamping unit 3, the other group of clamping jaws 2 is provided with the second clamping unit 4, the first clamping unit 3 comprises two symmetrically arranged first clamping plates, the first clamping plates are respectively fixed on the clamping jaws 2 of the same group, and the second clamping unit 4 comprises two symmetrically arranged second clamping plates which are respectively fixed on the clamping jaws 2 of the same group and perpendicular to the first clamping unit 3. The first clamping unit 3 and the second clamping unit 4 are respectively arranged, the first clamping unit 3 and the second clamping unit 4 are vertically arranged, the fixing of two degrees of freedom of the workpiece is realized, the clamping of rectangular pipes, channel steel, I-steel, U-steel and other irregularly shaped workpieces is realized, the fixing firmness during cutting is ensured, and the cutting quality is ensured.
As shown in fig. 4-6, the first clamping plate includes a first positioning plate 32, one side of the first positioning plate 32 is provided with a first fixing plate 31, the other side of the first positioning plate 32 is provided with a first supporting plate 33, and the end of the first supporting plate 33 is provided with a first clamping portion 35. Set up locating plate and fixed plate, can fix a position first grip block, ensure the positioning accuracy of anchor clamps, set up first fixed plate 31, can fix first grip block on jack catch 2, set up first clamping part 35 simultaneously at the end of first backup pad 33, can carry out the clamping to the work piece.
The first support plate 33 and the first clamping portion 35 are provided with first reinforcing ribs 34 on one side thereof. The first reinforcing ribs 34 are provided, so that the strength of the first clamping plate can be improved.
The first clamping portion 35 is provided with a first pressing block 36 on a side opposite to the first reinforcing rib 34. The provision of the first press block 36 enables the workpiece to be pressed while avoiding damage to the workpiece by rigid contact with the workpiece.
As shown in fig. 7-9, the second clamping plate includes a second positioning plate 42, one side of the second positioning plate 42 is provided with a second fixing plate 41, the other side of the second positioning plate 42 is provided with a second supporting plate 43, and one side of the first supporting plate 33 is provided with a baffle 45. The baffle 45 is provided to prevent the second pressing block 46 from being displaced, thereby ensuring the stability of workpiece clamping.
A second reinforcing rib 44 is arranged between the second positioning plate 42 and the baffle 45. The provision of the second reinforcing ribs 44 can improve the strength of the second clamping plate, avoiding destructive failure.
A second pressing block 46 is arranged on one side of the second supporting plate 43, and the second pressing block 46 is arranged on the other side of the baffle 45 connected with the second reinforcing rib 44. The provision of the second press block 46 enables the workpiece to be pressed while avoiding damage to the workpiece by rigid contact with the workpiece
The contact surfaces between the first clamping portion 35 and the first pressing piece 36 and the contact surfaces between the second supporting plate 43 and the second pressing piece 46 are inclined surfaces. The inclined plane is arranged, and the machining error and the mounting error of the workpiece can be compensated by adjusting the position of the bolt in the strip-shaped groove, so that the rotation center of the workpiece is coaxial with the rotation center of the chuck 1, and the centering of workpiece clamping is ensured.
The first press block 36 and the second press block 46 are provided with a plurality of specifications according to the thickness. The first pressing block 36 and the second pressing block 46 are arranged to be replaceable in various thickness specifications, so that the workpiece specifications capable of being clamped are more diversified, and the universality of the tool is improved.
The first pressing block 36 and the second pressing block 46 are respectively provided with an anti-slip groove 37. Friction force between the first pressing block 36 and the second pressing block 46 and the workpiece can be increased, and the workpiece clamped in the rotation process of the chuck 1 is prevented from generating axial displacement due to centrifugal force, so that the cutting precision of the workpiece is prevented from being influenced.
The foregoing technical solution is only one embodiment of the present invention, and various modifications and variations can be easily made by those skilled in the art based on the application methods and principles disclosed in the present invention, not limited to the methods described in the foregoing specific embodiments of the present invention, so that the foregoing description is only preferred and not in a limiting sense.
Claims (8)
1. The tool for clamping the irregular workpiece is characterized by comprising a chuck, clamping jaws, a first clamping unit and a second clamping unit, wherein one end of the chuck is fixed on a rotating shaft of a machine tool, the other end of the chuck is provided with the clamping jaws, the clamping jaws are provided with two groups, the two groups of clamping jaws are vertically arranged, each group of clamping jaws is provided with two clamping jaws, one group of clamping jaws is provided with the first clamping unit, the other group of clamping jaws is provided with the second clamping unit, the first clamping unit comprises two symmetrically arranged first clamping plates, the first clamping plates are respectively fixed on the clamping jaws of the same group, the second clamping units comprise two symmetrically arranged second clamping plates, and the second clamping plates are respectively fixed on the clamping jaws of the same group, which are vertical to the first clamping units;
the first clamping plate comprises a first positioning plate, a first fixing plate is arranged on one side of the first positioning plate, a first supporting plate is arranged on the other side of the first positioning plate, a first clamping part is arranged at the tail end of the first supporting plate, the second clamping plate comprises a second positioning plate, a second fixing plate is arranged on one side of the second positioning plate, a second supporting plate is arranged on the other side of the second positioning plate, and a baffle is arranged on one side of the first supporting plate.
2. The tool for clamping irregular workpieces according to claim 1, wherein a first reinforcing rib is arranged on one side of the first supporting plate and one side of the first clamping portion.
3. The tool for clamping irregular workpieces according to claim 2, wherein a first pressing block is arranged on the side, opposite to the first reinforcing ribs, of the first clamping portion.
4. A tool for clamping irregular workpieces according to claim 3, wherein a second reinforcing rib is arranged between the second locating plate and the baffle plate.
5. The tool for clamping irregular workpieces according to claim 4, wherein a second pressing block is arranged on one side of the second supporting plate, and the second pressing block is arranged on the other side, connected with the second reinforcing rib, of the baffle plate.
6. The tool for clamping irregular workpieces according to claim 5, wherein contact surfaces between the first clamping portion and the first pressing block and contact surfaces between the second supporting plate and the second pressing block are inclined surfaces.
7. The tool for clamping irregular workpieces according to claim 6, wherein the first pressing block and the second pressing block are provided with a plurality of specifications according to different thicknesses.
8. The tool for clamping irregular workpieces according to claim 6, wherein the first pressing block and the second pressing block are provided with anti-slip grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570092.1A CN109366081B (en) | 2018-12-21 | 2018-12-21 | Tool for clamping irregular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570092.1A CN109366081B (en) | 2018-12-21 | 2018-12-21 | Tool for clamping irregular workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109366081A CN109366081A (en) | 2019-02-22 |
| CN109366081B true CN109366081B (en) | 2023-09-19 |
Family
ID=65371741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811570092.1A Active CN109366081B (en) | 2018-12-21 | 2018-12-21 | Tool for clamping irregular workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109366081B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508326A (en) * | 1983-01-11 | 1985-04-02 | Andre Eugene R | Pressure chuck for irregular articles |
| US6568694B1 (en) * | 2002-07-12 | 2003-05-27 | Phillip A. White | Adjustable workholding jaw assemblies |
| CN201102079Y (en) * | 2007-11-07 | 2008-08-20 | 攀枝花新钢钒股份有限公司 | Three-jaw self-centering chuck |
| CN103231085A (en) * | 2013-05-09 | 2013-08-07 | 吴江市董鑫塑料包装厂 | Lathe fixture |
| CN105880657A (en) * | 2016-04-29 | 2016-08-24 | 河北创力机电科技有限公司 | Movable special-shaped pipe clamping device |
| CN205587695U (en) * | 2016-04-29 | 2016-09-21 | 河北创力机电科技有限公司 | Mechanical tubes clamping device |
-
2018
- 2018-12-21 CN CN201811570092.1A patent/CN109366081B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508326A (en) * | 1983-01-11 | 1985-04-02 | Andre Eugene R | Pressure chuck for irregular articles |
| US6568694B1 (en) * | 2002-07-12 | 2003-05-27 | Phillip A. White | Adjustable workholding jaw assemblies |
| CN201102079Y (en) * | 2007-11-07 | 2008-08-20 | 攀枝花新钢钒股份有限公司 | Three-jaw self-centering chuck |
| CN103231085A (en) * | 2013-05-09 | 2013-08-07 | 吴江市董鑫塑料包装厂 | Lathe fixture |
| CN105880657A (en) * | 2016-04-29 | 2016-08-24 | 河北创力机电科技有限公司 | Movable special-shaped pipe clamping device |
| CN205587695U (en) * | 2016-04-29 | 2016-09-21 | 河北创力机电科技有限公司 | Mechanical tubes clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109366081A (en) | 2019-02-22 |
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