CN107378533B - High-precision clamp for machine manufacturing - Google Patents
High-precision clamp for machine manufacturing Download PDFInfo
- Publication number
- CN107378533B CN107378533B CN201710800679.6A CN201710800679A CN107378533B CN 107378533 B CN107378533 B CN 107378533B CN 201710800679 A CN201710800679 A CN 201710800679A CN 107378533 B CN107378533 B CN 107378533B
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- China
- Prior art keywords
- locking shell
- fixed
- clamping piece
- screw
- workpiece
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention provides a high-precision clamp for machine manufacturing, which comprises a fixed disc, wherein a rotary table is arranged on the fixed disc, transverse guide grooves are respectively formed in the front side and the rear side of the rotary table on the fixed disc, the left half parts of the two guide grooves are respectively in sliding connection with a left locking shell, the left locking shell is positioned on the left side of the rotary table, the right half parts of the two guide grooves are respectively in sliding connection with a right locking shell, and the right locking shell is positioned on the right side of the rotary table; a locking device is arranged between the left locking shell and the right locking shell; the rotating table and the fixed disc are both provided with angle scales for determining the relative rotation angle between the rotating table and the fixed disc; the rotating platform is provided with a clamping mechanism for clamping a workpiece. The invention can stably position, fasten and clamp a workpiece, has high clamping stability, is not easy to generate vibration and clamp looseness during processing, can process the workpiece by rotating the azimuth angle of the tool, and overcomes the defect that the traditional clamp cannot rotate the azimuth angle of the workpiece, so that the processing precision is not accurate and even the processing is difficult.
Description
Technical Field
The invention belongs to the field of machining tools, and particularly relates to a high-precision clamp for machine manufacturing.
Background
The clamp is used for fixing a processing object to enable the processing object to occupy a correct position in the mechanical manufacturing process so as to receive construction or detection, in order to ensure the production quality of products, when a workpiece is processed on a machine tool, in order to ensure that the surface of the workpiece can meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified by a drawing, the workpiece needs to be assembled, positioned, clamped and clamped firmly before processing, so that qualified products can be produced, the existing clamp is mostly in a cylindrical shape, the manufactured product is fastened in the cylindrical shape, the stability is poor, the phenomena of vibration and clamp looseness are easy to occur during processing, if the workpiece needs to be processed by rotating the azimuth angle, the processing precision is not accurate or even difficult to process due to the fact that the azimuth angle of the tool cannot be rotated, therefore, there is a need to develop a jig for machine manufacturing, which can stably clamp a workpiece and conveniently adjust the machining orientation angle of the workpiece.
Disclosure of Invention
The present invention is directed to overcoming the problems in the prior art as set forth above and providing a high precision jig for machine manufacturing.
The technical scheme of the invention is as follows: a high-precision clamp for machine manufacturing comprises a fixed disc, wherein a rotary table is arranged on the fixed disc, transverse guide grooves are respectively formed in the front side and the rear side of the rotary table on the fixed disc, the two guide grooves are parallel to each other, the left half parts of the two guide grooves are respectively in sliding connection with a left locking shell, the left locking shell is located on the left side of the rotary table, the right half parts of the two guide grooves are respectively in sliding connection with a right locking shell, and the right locking shell is located on the right side of the rotary table; a locking device is arranged between the left locking shell and the right locking shell, and the left locking shell and the right locking shell are locked together through the locking device so that the rotating table is tightly embraced by the left locking shell and the right locking shell, and the relative position between the rotating table and the fixed disc is locked; the rotary table and the fixed disc are both provided with angle scales for determining the relative rotation angle between the rotary table and the fixed disc; and the rotating table is provided with a clamping mechanism for clamping a workpiece.
The lateral wall of above-mentioned revolving stage, the inner wall of left side locking shell and the inner wall of right side locking shell all are equipped with vertical anti-skidding line, vertical anti-skidding line is used for increaseing the frictional force when left side locking shell and right side locking shell hug closely the revolving stage.
The lower ends of the left locking shell and the right locking shell are respectively provided with two sliding strips corresponding to the two guide grooves, and the two sliding strips are in sliding connection with the two guide grooves correspondingly.
Above-mentioned fixture including being fixed in fixed holder and sliding connection on the revolving stage in the activity holder on the revolving stage, it still is fixed with the fixed column to be located the activity holder outside on the revolving stage, first screw has been seted up on the fixed column, and threaded connection has first lead screw in the first screw, the one end of first lead screw pass behind the first screw with the activity holder is articulated mutually, and concrete hinge structure is: the right-hand member head of first lead screw is fixed with the block, the cavity has been seted up on the left side wall of activity holder, the block inlay in the cavity to when first lead screw rotates the cavity internal rotation.
The opposite side walls of the fixed clamping piece and the movable clamping piece are both of concave structures, and the concave structures of the fixed clamping piece and the movable clamping piece form a clamping cavity for clamping a workpiece; the lower surface of the movable clamping piece is connected with the rotating table in a sliding mode.
The sunken structure surfaces of the opposite side walls of the fixed clamping piece and the movable clamping piece are provided with wear-resistant layers used for clamping workpieces, the wear-resistant layers are saw tooth groups, and the surfaces of the wear-resistant layers are coated with DLC wear-resistant coatings.
The center of the fixed disk is provided with a second screw hole penetrating through the upper surface and the lower surface of the fixed disk, and the center of the rotating table is provided with a channel penetrating through the upper surface and the lower surface of the rotating table; the center lines of the channel and the second screw hole are positioned on the same vertical line, and an outlet at the upper end of the channel is positioned between the fixed clamping piece and the movable clamping piece; and a second screw rod is connected in the second screw hole in a threaded manner, and the upper end of the second screw rod penetrates through the second screw hole and penetrates out of the channel in the rotating table and is hinged with the lower surface of a workpiece lifting block positioned between the fixed clamping piece and the movable clamping piece.
A first handle is arranged on the first screw rod; and a second handle is arranged at the lower end of the second screw rod.
The left locking shell is provided with an elastic stretching mechanism at the position on the left side of the locking device, and the elastic stretching mechanism is used for providing high-strength stretching holding force after the locking device locks the left locking shell and the right locking shell.
The locking device is a hasp; the rotating platform is provided with a hand holding part for rotating the rotating platform.
The invention has the beneficial effects that: the embodiment of the invention provides a high-precision clamp for machine manufacturing, which can stably position, fasten and clamp a workpiece firmly, has high clamping stability, is not easy to generate vibration and clamp looseness during machining, can rotate an azimuth angle of a tool to machine the workpiece, and overcomes the defect that the machining precision is not accurate and even difficult to machine due to the fact that the traditional clamp cannot rotate the azimuth angle of the workpiece.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the clamping mechanism of the present invention;
fig. 3 is a schematic view of the first lead screw and the movable clamping member of the present invention being hinged.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
Referring to fig. 1, the embodiment of the invention provides a high-precision fixture for machine manufacturing, which comprises a fixed disk 1 and is characterized in that a rotating platform 2 is arranged on the fixed disk 1, a transverse guide groove 3 is respectively formed in the front side and the rear side of the rotating platform 2 on the fixed disk 1, the two guide grooves 3 are parallel to each other, the left half parts of the two guide grooves 3 are respectively in sliding connection with a left locking shell 4, the left locking shell 4 is positioned on the left side of the rotating platform 2, the right half parts of the two guide grooves 3 are respectively in sliding connection with a right locking shell 5, and the right locking shell 5 is positioned on the right side of the rotating platform 2; a locking device 18 is arranged between the left locking shell 4 and the right locking shell 5, and the left locking shell 4 and the right locking shell 5 are locked together by the locking device 18, so that the rotating table 2 is tightly embraced by the left locking shell 4 and the right locking shell 5, and the relative position between the rotating table 2 and the fixed disc 1 is locked; the rotary table 2 and the fixed disc 1 are both provided with angle scales 17 for determining the relative rotation angle between the rotary table and the fixed disc; and the rotating platform 2 is provided with a clamping mechanism for clamping a workpiece.
Further, the lateral wall of revolving stage 2, the inner wall of left locking shell 4 and the inner wall of right locking shell 5 all are equipped with vertical anti-skidding line 16, vertical anti-skidding line 16 is used for increaseing the frictional force when left locking shell 4 and right locking shell 5 tightly embrace revolving stage 2.
Furthermore, the lower ends of the left locking shell 4 and the right locking shell 5 are respectively provided with two sliding strips corresponding to the two guide grooves 3, and the two sliding strips are in corresponding sliding connection with the two guide grooves 3.
Further, fixture is including being fixed in fixed holder 6 and sliding connection on the revolving stage 2 in the last activity holder 7 of revolving stage 2, it still is fixed with fixed column 8 still to lie in the activity holder 7 outside on the revolving stage 2, first screw has been seted up on the fixed column 8, and threaded connection has first lead screw 10 in the first screw, the one end of first lead screw 10 pass behind the first screw with activity holder 7 is articulated mutually, and concrete hinge structure is: a block 21 is fixed at the right end of the first lead screw 10, a concave cavity 20 is formed in the left side wall of the movable clamping piece 7, and the block 21 is embedded in the concave cavity 20 and rotates in the concave cavity 20 when the first lead screw 10 rotates (see fig. 3).
Further, referring to fig. 2, the opposite side walls of the fixed clamping member 6 and the movable clamping member 7 are both recessed structures, and the recessed structures of the fixed clamping member 6 and the movable clamping member 7 form a clamping cavity for clamping a workpiece; the lower surface of the movable clamping piece 7 is connected with the rotating platform 2 in a sliding way.
Furthermore, the concave structural surfaces of the opposite side walls of the fixed clamping piece 6 and the movable clamping piece 7 are provided with wear-resistant layers 14 for clamping workpieces, the wear-resistant layers 14 are saw tooth groups, and the surfaces of the wear-resistant layers are coated with DLC wear-resistant coatings.
Furthermore, a second screw hole penetrating through the upper surface and the lower surface of the fixed disk 1 is formed in the center of the fixed disk 1, and a channel penetrating through the upper surface and the lower surface of the rotating platform 2 is formed in the center of the rotating platform; the central lines of the channel and the second screw hole are positioned on the same vertical line, and the outlet at the upper end of the channel is positioned between the fixed clamping piece 6 and the movable clamping piece 7; and a second screw rod 11 is connected to the second screw hole through a thread, the upper end of the second screw rod 11 penetrates through the second screw hole and penetrates out of a channel in the rotating platform 2, and is hinged to the lower surface of a workpiece lifting block 13 positioned between the fixed clamping piece 6 and the movable clamping piece 7, and the specific hinge structure is the same as that of the first screw rod and the movable clamping piece. The workpiece lifting block 13 is used for supporting the workpiece and lifting the workpiece lifting block 13 through the rotation of the second screw rod 11 so as to realize the height lifting of the workpiece.
Further, a first handle 9 is arranged on the first screw rod 10; and a second handle 12 is arranged at the lower end of the second screw rod 11.
Furthermore, the left locking shell 4 is provided with an elastic stretching mechanism 19 at a position on the left side of the locking device 18, and the elastic stretching mechanism 19 is used for providing a high-strength stretching holding force after the locking device 18 locks the left locking shell 4 and the right locking shell 5.
Further, the locker 18 is a buckle; the rotary table 2 is provided with a hand holding portion 15 for rotating the rotary table.
In summary, the high-precision clamp for machine manufacturing provided by the embodiment of the invention can stably position, fasten and clamp a workpiece firmly, has high clamping stability, is not easy to shake and loosen during machining, can rotate the azimuth angle of a tool for machining, and overcomes the defect that the machining precision is not accurate and even difficult to machine due to the fact that the traditional clamp cannot rotate the azimuth angle of the workpiece.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (6)
1. The utility model provides a high accuracy anchor clamps for machine-building, includes fixed disk (1), its characterized in that, be equipped with revolving stage (2) on fixed disk (1), a horizontal guide way (3) have been seted up respectively to both sides around lieing in revolving stage (2) on fixed disk (1), parallel between two guide ways (3), the left half of two guide ways (3) respectively with left locking shell (4) sliding connection, left locking shell (4) are located the left side of revolving stage (2), the right half of two guide ways (3) respectively with right locking shell (5) sliding connection, right locking shell (5) are located the right side of revolving stage (2); a locking device (18) is arranged between the left locking shell (4) and the right locking shell (5), the left locking shell (4) and the right locking shell (5) are locked together through the locking device (18), so that the rotating platform (2) is tightly embraced by the left locking shell (4) and the right locking shell (5), and the relative position between the rotating platform (2) and the fixed disk (1) is locked; the rotary table (2) and the fixed disc (1) are both provided with angle scales (17) for determining the relative rotation angle between the rotary table and the fixed disc; the rotating table (2) is provided with a clamping mechanism for clamping a workpiece; the lower ends of the left locking shell (4) and the right locking shell (5) are respectively provided with two sliding strips corresponding to the two guide grooves (3), and the two sliding strips are correspondingly connected with the two guide grooves (3) in a sliding manner; longitudinal anti-slip grains (16) are arranged on the side wall of the rotating table (2), the inner wall of the left locking shell (4) and the inner wall of the right locking shell (5), and the longitudinal anti-slip grains (16) are used for increasing the friction force when the left locking shell (4) and the right locking shell (5) tightly embrace the rotating table (2); fixture including being fixed in fixed holder (6) and sliding connection on revolving stage (2) in activity holder (7) on revolving stage (2), it still is fixed with fixed column (8) to lie in activity holder (7) outside on revolving stage (2), first screw has been seted up on fixed column (8), and threaded connection has first lead screw (10) in the first screw, the one end of first lead screw (10) pass behind the first screw with activity holder (7) are articulated mutually, and concrete hinge structure is: the right end of the first screw rod (10) is fixed with a block body (21), a cavity (20) is formed in the left side wall of the movable clamping piece (7), and the block body (21) is embedded in the cavity (20) and rotates in the cavity (20) when the first screw rod (10) rotates.
2. The high-precision clamp for machine manufacturing according to claim 1, characterized in that the opposite side walls of the fixed clamping piece (6) and the movable clamping piece (7) are recessed structures, and the recessed structures of the fixed clamping piece (6) and the movable clamping piece (7) form a clamping cavity for clamping a workpiece; the lower surface of the movable clamping piece (7) is connected with the rotating platform (2) in a sliding way.
3. A high-precision clamp for machine manufacturing according to claim 2, characterized in that the concave structural surfaces of the opposite side walls of the fixed clamping piece (6) and the movable clamping piece (7) are provided with wear-resistant layers (14) for clamping workpieces, the wear-resistant layers (14) are saw-tooth groups, and the surfaces of the wear-resistant layers (14) are coated with DLC wear-resistant coatings.
4. The high-precision clamp for machine manufacturing according to claim 3, wherein the center of the fixed disk (1) is provided with a second screw hole penetrating through the upper surface and the lower surface of the fixed disk, and the center of the rotating platform (2) is provided with a channel penetrating through the upper surface and the lower surface of the rotating platform; the central lines of the channel and the second screw hole are positioned on the same vertical line, and the outlet at the upper end of the channel is positioned between the fixed clamping piece (6) and the movable clamping piece (7); and a second screw rod (11) is connected to the second screw hole through threads, and the upper end of the second screw rod (11) penetrates through the second screw hole and penetrates out of a channel in the rotating table (2) and is hinged to the lower surface of a workpiece lifting block (13) between the fixed clamping piece (6) and the movable clamping piece (7).
5. A high-precision clamp for machine manufacturing according to claim 4, characterized in that a first handle (9) is provided on said first screw (10); the lower end of the second screw rod (11) is provided with a second handle (12).
6. A high-precision clamp for mechanical manufacturing, according to claim 1, characterized in that said locking means (18) are hasps; the rotating platform (2) is provided with a hand holding part (15) which enables the rotating platform to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800679.6A CN107378533B (en) | 2017-09-07 | 2017-09-07 | High-precision clamp for machine manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800679.6A CN107378533B (en) | 2017-09-07 | 2017-09-07 | High-precision clamp for machine manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107378533A CN107378533A (en) | 2017-11-24 |
| CN107378533B true CN107378533B (en) | 2020-05-19 |
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ID=60349379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800679.6A Active CN107378533B (en) | 2017-09-07 | 2017-09-07 | High-precision clamp for machine manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378533B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081127A (en) * | 2017-11-30 | 2018-05-29 | 江门市联兴高频设备有限公司 | A kind of metal product clamp for machining |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52151985A (en) * | 1976-06-11 | 1977-12-16 | Komatsu Ltd | Paller clamper |
| CN203527020U (en) * | 2013-11-18 | 2014-04-09 | 贵州贵航汽车零部件股份有限公司 | Clamp capable of guaranteeing processing accuracy of end surfaces of clip bar type parts |
| CN104723121A (en) * | 2015-04-07 | 2015-06-24 | 天津市裕泰机械有限责任公司 | Rotatable fixture |
| CN205057589U (en) * | 2015-10-26 | 2016-03-02 | 湖南生物机电职业技术学院 | A high accuracy anchor clamps for machine -building |
| CN205630037U (en) * | 2016-05-28 | 2016-10-12 | 魏子乾 | A high accuracy anchor clamps for machine -building |
| CN205996572U (en) * | 2016-08-31 | 2017-03-08 | 长沙职业技术学院 | A kind of fixture for machine-building |
-
2017
- 2017-09-07 CN CN201710800679.6A patent/CN107378533B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107378533A (en) | 2017-11-24 |
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