CN109176083B - Multi-station hydraulic milling machine fixture - Google Patents
Multi-station hydraulic milling machine fixture Download PDFInfo
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- CN109176083B CN109176083B CN201810954819.XA CN201810954819A CN109176083B CN 109176083 B CN109176083 B CN 109176083B CN 201810954819 A CN201810954819 A CN 201810954819A CN 109176083 B CN109176083 B CN 109176083B
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- outer clamping
- inner clamping
- hinge shaft
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- 238000003801 milling Methods 0.000 title claims abstract description 24
- 229910003460 diamond Inorganic materials 0.000 claims description 16
- 239000010432 diamond Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 3
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically 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
- 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
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a multi-station hydraulic milling machine fixture, which belongs to the field of machining and comprises a bottom plate, wherein two outer clamping blocks are arranged on the bottom plate at intervals left and right, a diamond-shaped telescopic frame which can stretch along the left and right direction is arranged between the two outer clamping blocks, three groups of rivet hinge shaft groups are arranged along the front and rear direction of the diamond-shaped telescopic frame, each rivet hinge shaft group comprises a plurality of rivet hinge shafts which are sequentially arranged from left to right, each rivet hinge shaft is connected with one inner clamping block, the inner clamping blocks are movably connected below the diamond-shaped telescopic frame through the rivet hinge shafts connected with the inner clamping blocks, and a plurality of inner clamping blocks on the corresponding rivet hinge shafts are sequentially and correspondingly arranged from left to right; the bottom plate is also provided with a hydraulic clamping device capable of adjusting the distance between the two outer clamping blocks, and each outer clamping block is also provided with an adjusting screw rod for adjusting the positions of the diamond-shaped telescopic frames near the front end and the rear end respectively. The multi-station milling machine fixture greatly improves the processing efficiency.
Description
Technical Field
The invention belongs to the field of machining, and particularly relates to a multi-station hydraulic milling machine fixture.
Background
Milling machines are machines that mill a workpiece with a milling cutter. Besides milling planes, grooves, gear teeth, threads and spline shafts, the milling machine can also process complex molded surfaces, has higher efficiency than a planing machine, and is widely applied to mechanical manufacturing and repair departments.
However, the existing fixture of the milling machine can only clamp one workpiece at a time, only one part can be processed in one processing period, and for mass production of the processed parts, the working efficiency is low, the production period is long, and the labor intensity is high.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a multi-station hydraulic milling machine fixture, which can clamp a plurality of workpieces on a milling machine at one time with high efficiency.
In order to achieve the above purpose, the invention adopts the following specific scheme:
a multi-station hydraulic milling machine fixture comprises a bottom plate arranged on a milling machine, wherein two outer clamping blocks extending along the front-rear direction are arranged on the bottom plate at intervals in parallel; at least two sliding grooves extending in the left-right direction are arranged on the upper surface of the bottom plate and below each outer clamping block correspondingly; the extending direction of the outer clamping block is mutually perpendicular to the extending direction of the sliding groove; each outer clamping block is in sliding connection with a sliding groove positioned below the outer clamping block, so that the two outer clamping blocks can slide oppositely or oppositely; a diamond-shaped expansion bracket which can expand and contract between the two outer clamping blocks is arranged between the two outer clamping blocks; the diamond expansion frame is formed by hinging a plurality of diamond expansion frame connecting rods in pairs, every two diamond expansion frame connecting rods are hinged through a hinging shaft, an inner clamping block capable of moving relative to the diamond expansion frame is arranged at the position, corresponding to each hinging shaft, below the diamond expansion frame, and the hinging shafts are in interference fit connection with the inner clamping blocks; a station area for placing a workpiece is arranged between every two adjacent inner clamping blocks in the extending direction of the sliding groove, and the two adjacent inner clamping blocks are connected with cushion blocks on opposite side surfaces by screws; the outer clamping block is fixedly connected with the inner clamping block closest to the inner side surface of the outer clamping block;
the bottom plate is also provided with a clamping device for adjusting the distance between the two outer clamping blocks and providing clamping force; the clamping device comprises a hydraulic cylinder arranged on the outer side of each outer clamping block and a telescopic rod connected with the hydraulic cylinder and the corresponding outer clamping block.
As a further refinement of the above, each outer clamping block is slidingly connected with two parallel running grooves.
As a further optimization of the scheme, the sliding grooves are dovetail grooves, and dovetail-shaped sliding blocks are arranged at the bottoms of the corresponding outer clamping blocks; the dovetail sliding block is clamped in the dovetail groove and can slide in the dovetail groove.
As a further optimization of the above-mentioned scheme, the extending direction of the outer clamping blocks is taken as the front-back direction, and the extending direction of the sliding grooves is taken as the left-right direction; the hinge shafts on the diamond-shaped expansion frame are sequentially divided into a left hinge shaft group, a middle hinge shaft group and a right hinge shaft group along the front-back direction; the left hinge shaft group and the right hinge shaft group comprise n hinge shafts which can be connected into a straight line in the left-right direction; the middle hinge shaft group comprises n+1 hinge shafts which can be connected into a straight line in the left-right direction.
As a further optimization of the scheme, three inner clamping blocks adjacently opposite to each other are arranged on the inner side of each outer clamping block, and the three inner clamping blocks are a front inner clamping block, a middle inner clamping block and a rear inner clamping block in sequence in the front-rear direction; the outer clamping block is provided with an adjusting screw which is in abutting connection with the front inner clamping block and the rear inner clamping block through the outer clamping block; the outer clamping blocks are fixedly connected with the middle inner clamping blocks through screws.
As a further optimization of the scheme, the diamond-shaped expansion frame comprises a left connecting rod assembly, a plurality of middle connecting rod assemblies and a right connecting rod assembly which are sequentially connected from left to right; the left connecting rod assembly comprises two diamond-shaped expansion bracket connecting rods hinged in an obtuse angle and an included angle opening of the obtuse angle is towards the right side; the middle connecting rod assembly comprises two diamond-shaped expansion bracket connecting rods which are in cross hinge joint in an X shape; the right connecting rod assembly comprises two diamond-shaped expansion bracket connecting rods hinged in an obtuse angle and an included angle opening of the obtuse angle is oriented to the left side.
As a further optimization of the scheme, the end faces of the cushion blocks, which face the corresponding station areas, are provided with V-shaped blocks.
The beneficial effects are that:
according to the multi-station hydraulic milling machine fixture, the characteristics that the diamond-shaped expansion frame expands and contracts and simultaneously a plurality of hinge shafts can synchronously move are utilized, the left inner clamping blocks, the middle inner clamping blocks and the right inner clamping blocks are driven to synchronously move, when the diamond-shaped expansion frame stretches forwards and backwards, the distances between the adjacent two left inner clamping blocks, between the adjacent two middle inner clamping blocks and between the adjacent two right inner clamping blocks are increased, after workpieces are placed in corresponding station areas, the diamond-shaped expansion frame contracts, the distances between the adjacent two left inner clamping blocks, between the adjacent two middle inner clamping blocks and between the adjacent two right inner clamping blocks are reduced, the workpieces are clamped, and the clamping device provides required clamping force for clamping the workpieces, so that the fixture capable of clamping a plurality of workpieces at one time on a milling machine is realized, and the machining efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a multi-station hydraulic milling machine fixture according to the present invention; wherein the dashed boxes represent the station areas;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a view B-B of FIG. 1;
FIG. 4 is a left side schematic view of the left side outer clamp block and the bottom plate;
FIG. 5 is a schematic diagram of the connection structure of the left outer clamp block and the middle inner clamp block I;
in the drawings: 1. a left front adjusting screw; 2. a left outer clamping block 2; 3. a front inner clamping block I; 4. a front rivet type hinge shaft I; 5. a front V-shaped block I; 6. front side V-shaped block II; 7. a front inner clamping block II; 8. a front rivet type hinge shaft II; 9. front V-shaped block III; 10. front V-shaped block IV; 11. a front inner clamping block III; 12. a front rivet type hinge shaft III; 13. a right outer clamp block; 14. a right front adjusting screw; 15. a right hydraulic cylinder; 16. a right connecting rod of a No. 7 diamond-shaped expansion bracket; 17. a middle V-shaped block VI; 18. a middle V-shaped block V; 19. 6 # diamond expansion bracket connecting rod; 20. no. 5 rhombic expansion bracket connecting rod; 21. a middle V-shaped block IV; 22. a middle V-shaped block III; 23. no. 4 rhombic expansion bracket connecting rod; 24. a No. 3 diamond-shaped expansion bracket connecting rod; 25. a middle V-shaped block II; 26. a middle V-shaped block I; 27. the left connecting rod of the No. 1 diamond-shaped expansion bracket; 28. a middle inner clamping block I; 29. a left hydraulic cylinder; 30. a left connecting rod of a No. 2 diamond-shaped expansion bracket; 31. a right connecting rod of the No. 8 diamond-shaped telescopic frame; 32. a bottom plate; 33. the right rear adjusting screw; 34. a middle inner clamping block IV; 35. a rear rivet type hinge shaft III; 36. rear inner clamping block III; 37. a rear V-shaped block IV; 38. a rear V-shaped block III; 39. a rear rivet type hinge shaft II; 40. a rear inner clamping block II; 41. a rear V-shaped block II; 42. a rear V-shaped block I; 43. a rear rivet type hinge shaft I; 44. a rear inner clamping block I; 45. a middle rivet type hinge shaft I; 46. a left rear adjusting screw; 47. a left side forward dovetail groove; 48. a left side aft dovetail slot; 49. a right side forward dovetail groove; 50. a right side aft dovetail slot; 51. rivet type hinge shaft hole of middle rivet type hinge shaft I; 53. a screw I; 54. a screw II; 55. adjusting the screw hole I; 56. screw hole I; 57. adjusting the screw hole II; 58. a middle rivet type hinge shaft II; 59. a middle rivet type hinge shaft III; 60. a middle inner clamping block II; 61. a middle inner clamping block III; 62. screw hole II; 63. a middle rivet type hinge shaft IV; 64. a diamond-shaped expansion bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings.
1-5, a mitsubishi milling machine fixture capable of clamping a plurality of workpieces at a time comprises a bottom plate 32, wherein a left outer clamping block 2 and a right outer clamping block 13 are arranged on the bottom plate 32 in parallel left and right and symmetrically at intervals, and the left outer clamping block 2 and the right outer clamping block 13 are both connected to the bottom plate 32 in a sliding manner; four dovetail grooves extending in the left-right direction are formed in the upper surface of the bottom plate 32, namely a left front dovetail groove 47, a left rear dovetail groove 48, a right front dovetail groove 49 and a right rear dovetail groove 50, wherein the left front dovetail groove 47 and the left rear dovetail groove 48 are arranged in parallel on the left side of the bottom plate 32 and are vertically arranged below the left outer clamping block 2, and the right front dovetail groove 49 and the right rear dovetail groove 50 are arranged in parallel on the right side of the bottom plate 32 and are vertically arranged below the right outer clamping block 13; the bottom ends of the left outer clamping block 2 and the right outer clamping block 13 are respectively provided with a dovetail-shaped sliding block, and the dovetail-shaped sliding blocks are correspondingly arranged in the dovetail grooves and can enable the left outer clamping block 2 to slide along the left front dovetail groove 47, the left rear dovetail groove 48 and the right outer clamping block 13 along the right front dovetail groove 49 and the right rear dovetail groove 50 in the left-right direction. A gap is reserved between the dovetail sliding block and the inner side surface of the dovetail groove to prevent mutual contact, so that the aim of reducing friction is fulfilled.
A diamond-shaped expansion bracket 64 which can expand and contract in the front-back direction is arranged between the left outer clamping block 2 and the right outer clamping block 13, the diamond-shaped expansion bracket 64 is positioned above the bottom plate 32, and the diamond-shaped expansion bracket 64 is provided with three rivet-type hinge shaft groups: the front rivet type hinge shaft group, the middle rivet type hinge shaft group and the rear rivet type hinge shaft group, the front rivet type hinge shaft group comprises three front rivet type hinge shafts, namely a front rivet type hinge shaft I4, a front rivet type hinge shaft II 8 and a front rivet type hinge shaft III 12, from left to right, the middle rivet type hinge shaft group comprises four middle rivet type hinge shafts, namely a middle rivet type hinge shaft I45, a middle rivet type hinge shaft II 58, a middle rivet type hinge shaft III 59 and a middle rivet type hinge shaft IV 63, from left to right, the right rivet type hinge shaft group comprises three right rivet type hinge shafts, namely a rear rivet type hinge shaft I43, a rear rivet type hinge shaft II 39 and a rear rivet type hinge shaft III 35.
The diamond-shaped expansion frame 64 comprises a left connecting rod assembly, a plurality of middle connecting rod assemblies and a right connecting rod assembly which are sequentially connected from left to right, wherein the left connecting rod assembly, the plurality of middle connecting rod assemblies and the right connecting rod assembly are sequentially arranged from left to right, the left connecting rod assembly comprises a No. 1 diamond-shaped expansion frame left connecting rod 27 and a No. 2 diamond-shaped expansion frame left connecting rod 30 which are hinged together in an obtuse angle included angle shape, and an included angle opening of the left connecting rod assembly faces to the rear side; the middle connecting rod assembly comprises a No. 3 diamond-shaped expansion frame connecting rod 24 and a No. 4 diamond-shaped expansion frame connecting rod 23 which are cross-hinged together in an X shape, and a No. 6 diamond-shaped expansion frame connecting rod 19 and a No. 5 diamond-shaped expansion frame connecting rod 20 which are cross-hinged together; the right connecting rod assembly comprises a No. 7 diamond-shaped telescopic frame right connecting rod 16 and a No. 8 diamond-shaped telescopic frame right connecting rod 31 which are hinged together left and right in an obtuse angle and have included angle openings facing the front side.
The hinge shafts between the left connecting rod 27 of the No. 1 diamond-shaped expansion frame and the left connecting rod 30 of the No. 2 diamond-shaped expansion frame are middle rivet type hinge shafts I45, the hinge shafts between the connecting rod 24 of the No. 3 diamond-shaped expansion frame and the connecting rod 23 of the No. 4 diamond-shaped expansion frame are middle rivet type hinge shafts II 58, the hinge shafts between the connecting rod 20 of the No. 5 diamond-shaped expansion frame and the connecting rod 19 of the No. 6 diamond-shaped expansion frame are middle rivet type hinge shafts III 59, and the hinge shafts between the right connecting rod 16 of the No. 7 diamond-shaped expansion frame and the right connecting rod 31 of the No. 8 diamond-shaped expansion frame are middle rivet type hinge shafts IV 63; wherein, the connecting line of all middle rivet type hinge shafts is a straight line extending forwards and backwards.
The hinge shafts between the left connecting rod 27 of the No. 1 diamond-shaped expansion frame and the right connecting rod 24 of the No. 3 diamond-shaped expansion frame are front rivet type hinge shafts I4, the hinge shafts between the connecting rod 23 of the No. 4 diamond-shaped expansion frame and the connecting rod 20 of the No. 5 diamond-shaped expansion frame are front rivet type hinge shafts II 8, and the hinge shafts between the connecting rod 19 of the No. 6 diamond-shaped expansion frame and the right connecting rod 16 of the No. 7 diamond-shaped expansion frame are front rivet type hinge shafts III 12; wherein, the connecting line of all front rivet type hinge shafts is a straight line extending forwards and backwards.
The hinge shafts between the left connecting rod 30 of the No. 2 diamond-shaped expansion frame and the right connecting rod 23 of the No. 4 diamond-shaped expansion frame are rear rivet type hinge shafts I43, the hinge shafts between the connecting rod 24 of the No. 3 diamond-shaped expansion frame and the connecting rod 19 of the No. 6 diamond-shaped expansion frame are rear rivet type hinge shafts II 39, and the hinge shafts between the connecting rod 20 of the No. 5 diamond-shaped expansion frame and the right connecting rod 31 of the No. 8 diamond-shaped expansion frame are rear rivet type hinge shafts III 35; wherein, the connecting line of all the rivet type hinge shafts at the back side is a straight line extending forwards and backwards.
The number of front rivet-type hinge shafts is equal to the number of rear rivet-type hinge shafts, and the number of middle rivet-type hinge shafts is one more than the number of front rivet-type hinge shafts and rear rivet-type hinge shafts.
The front end of the No. 1 rhombic telescopic frame left connecting rod 27 is provided with a jack for inserting the front rivet type hinge shaft I4, the rear end is provided with a jack for inserting the middle rivet type hinge shaft I45, the front end of the No. 2 rhombic telescopic frame left connecting rod 30 is provided with a jack for inserting the middle rivet type hinge shaft I45, the rear end is provided with a jack for inserting the rear rivet type hinge shaft I43, the front end of the No. 3 rhombic telescopic frame connecting rod 24 is provided with a jack for inserting the front rivet type hinge shaft I4, the middle is provided with a jack for inserting the middle rivet type hinge shaft II 58, the rear end is provided with a jack for inserting the rear rivet type hinge shaft II 39, the front end of the No. 4 rhombic telescopic frame connecting rod 23 is provided with a jack for inserting the front rivet type hinge shaft II 8, the middle is provided with a jack for inserting the middle rivet type hinge shaft II 58, the rear end is provided with a jack for inserting the rear rivet type hinge shaft I43, the front end of the No. 5 diamond expansion link 20 is provided with a jack for inserting the front rivet type hinge shaft II 8, the middle part is provided with a jack for inserting the middle rivet type hinge shaft III 59, the rear end is provided with a jack for inserting the rear rivet type hinge shaft III 35, the front end of the No. 6 diamond expansion link 19 is provided with a jack for inserting the front rivet type hinge shaft III 12, the middle part is provided with a jack for inserting the middle rivet type hinge shaft III 59, the rear end is provided with a jack for inserting the rear rivet type hinge shaft II 39, the front end of the No. 7 diamond expansion link right link 16 is provided with a jack for inserting the front rivet type hinge shaft III 12, the rear end is provided with a jack for inserting the middle rivet type hinge shaft IV 63, the front end of the No. 8 diamond expansion link right link 31 is provided with a jack for inserting the middle rivet type hinge shaft IV 63, the rear end is provided with a jack for inserting a rear rivet type hinge shaft III 35.
All front rivet-type hinge shafts, all middle rivet-type hinge shafts and all rear rivet-type hinge shafts are vertically arranged, the front rivet-type hinge shafts are not fixedly connected with any connecting rod in the diamond telescopic frame 64, the front rivet-type hinge shafts sequentially penetrate through two corresponding jacks of two connecting rods connected with the front rivet-type hinge shafts, the rear rivet-type hinge shafts sequentially penetrate through two corresponding jacks of two connecting rods connected with the rear rivet-type hinge shafts, and the middle rivet-type hinge shafts sequentially penetrate through two corresponding jacks of two connecting rods connected with the middle rivet-type hinge shafts.
And a middle inner clamping block is correspondingly arranged below each middle rivet type hinge shaft. The middle rivet type hinge shaft I45, the middle rivet type hinge shaft II 58, the middle rivet type hinge shaft III 59 and the middle rivet type hinge shaft IV 63 are respectively and correspondingly connected with a middle inner clamping block I28, a middle inner clamping block II 60, a middle inner clamping block III 61 and a middle inner clamping block IV 34 in sequence, and the four middle inner clamping blocks are respectively and rotatably connected with the lower side of the diamond-shaped expansion frame 64 through the middle rivet type hinge shafts connected with the four middle inner clamping blocks and can move relative to the whole diamond-shaped expansion frame 64; the middle inner clamping blocks are in interference fit with the middle rivet-shaped hinge shafts which are correspondingly connected, and the four middle inner clamping blocks are correspondingly arranged from left to right in sequence and are the same in number as the total number of the middle rivet-shaped hinge shafts.
And a front inner clamping block is correspondingly arranged below each front rivet type hinge shaft. The front rivet type hinging shaft I4, the front rivet type hinging shaft II 8 and the front rivet type hinging shaft III 12 are respectively connected with a front inner clamping block I3, a front inner clamping block II 7 and a front inner clamping block III 11 in a one-to-one correspondence manner, the three front inner clamping blocks are rotationally connected to the lower side of the diamond-shaped telescopic frame 64 through the front rivet type hinging shafts correspondingly connected with the front inner clamping blocks, the front inner clamping block I3, the front inner clamping block II 7 and the front inner clamping block III 11 can move relative to the whole diamond-shaped telescopic frame 64, the front rivet type hinging shafts are in interference fit with the front inner clamping blocks correspondingly connected with the front rivet type hinging shafts, the front inner clamping blocks I3, the front inner clamping blocks II 7 and the front inner clamping blocks III 11 are sequentially arranged from left to right, and the number of the front rivet type hinging shafts is the same as that of the front inner clamping blocks.
And a rear inner clamping block is correspondingly arranged below each rear rivet type hinge shaft. The rear rivet type hinge shaft I43, the rear rivet type hinge shaft II 39 and the rear rivet type hinge shaft III 35 are respectively connected with the rear inner clamping block I44, the rear inner clamping block II 40 and the rear inner clamping block III 36 in a one-to-one correspondence manner, the three rear inner clamping blocks are rotationally connected to the lower side of the diamond-shaped expansion frame 64 through the rear rivet type hinge shafts correspondingly connected with the rear rivet type hinge shafts and can move relative to the whole diamond-shaped expansion frame 64, the rear rivet type hinge shafts and the rear inner clamping blocks correspondingly connected with the rear rivet type hinge shafts are in interference fit, the rear inner clamping blocks I44, the rear inner clamping blocks II 40 and the rear inner clamping blocks III 36 are sequentially arranged from left to right, and the number of the rear rivet type hinge shafts is the same as that of the rear inner clamping blocks.
The left outer clamping block 2 is blocked at the left side of the leftmost middle inner clamping block I28, the right outer clamping block 13 is blocked at the right side of the rightmost middle inner clamping block IV 34, the left outer clamping block 2 is fixedly connected with the leftmost middle inner clamping block I28 through a screw I53 and a screw II 54, and a screw hole I56 corresponding to the screw I53 and a screw hole II 62 corresponding to the screw II 54 are formed in the left outer clamping block 2; the right outer clamping block 13 is fixedly connected with the rightmost middle inner clamping block IV 34 through two screws. The clamping blocks I28 in the middle part are cuboid, the left side outer clamping block 2 faces the end face of the clamping block I28 in the middle part and the right side outer clamping block 13 faces the end face of the clamping block IV 34 in the middle part and is a vertical plane extending back and forth, namely the right end face of the left side outer clamping block 2 and the left end face of the right side outer clamping block 13 are vertical planes extending left and right, and after the left side outer clamping block 2 and the right side outer clamping block 13 clamp a plurality of middle part inner clamping blocks between the two, the clamping blocks in all middle parts can be guaranteed to be aligned without inclination.
The left outer clamping block 2, the middle inner clamping blocks and the right outer clamping block 13 are arranged at corresponding intervals along a straight line from left to right, and a clamping device which can adjust the distance between the left outer clamping block 2 and the right outer clamping block 13 and provide clamping force is also arranged on the bottom plate 32.
The clamping device comprises two hydraulic cylinders which are arranged at intervals left and right, namely a left hydraulic cylinder 29 and a right hydraulic cylinder 15; the left hydraulic cylinder 29 is arranged on the left side of the left outer clamping block 2, a telescopic rod of the left hydraulic cylinder 29 stretches out rightwards and is used for propping the left outer clamping block 2, and the telescopic rod of the left hydraulic cylinder 29 is fixedly connected with the left outer clamping block 2; the right hydraulic cylinder 15 is arranged on the right side of the right outer clamping block 13, and the telescopic rod of the right hydraulic cylinder 15 stretches out leftwards and is used for propping up the right outer clamping block 13, and the telescopic rod of the right hydraulic cylinder 15 is fixedly connected with the right outer clamping block 13.
And in all the middle inner clamping blocks, a middle station area for placing a workpiece is arranged between every two adjacent middle inner clamping blocks, and the end face of each middle inner clamping block facing to the adjacent station area is connected with a cushion block by a screw. V-shaped blocks are arranged on the end faces of the cushion blocks facing the adjacent middle station areas. The right end face of the middle inner clamping block I28 is provided with a middle V-shaped block I26; the left end face of the middle inner clamping block II 60 is provided with a middle V-shaped block II 25; the right end face of the middle inner clamping block II 60 is provided with a middle V-shaped block III 22; the left end face of the middle inner clamping block III 61 is provided with a middle V-shaped block IV 21; the right end face of the middle inner clamping block III 61 is provided with a middle V-shaped block V18; the left end face of the middle inner clamping block IV 34 is provided with a middle V-shaped block VI 17. The invention is not limited to the above-mentioned forms, and the cushion block can also have other forms of structures.
And in all the front side inner clamping blocks, a front side station area for clamping a workpiece is arranged between every two adjacent front side inner clamping blocks, and a cushion block is connected to the end face of each front side inner clamping block facing the adjacent front side station area by screws. The end face of the cushion block facing the adjacent front station area is provided with a V-shaped block. The right end face of the front inner clamping block I3 is provided with a front V-shaped block I5; the left end face of the front inner clamping block II 7 is provided with a front V-shaped block II 6; the right end face of the front inner clamping block II 7 is provided with a front V-shaped block III 9; the left end face of the front inner clamping block III 11 is provided with a front V-shaped block IV 10. The invention is not limited to the above-mentioned forms, and the cushion block can also have other forms of structures.
And in all the rear side inner clamping blocks, rear side station areas for clamping workpieces are arranged between every two adjacent rear side inner clamping blocks, and the end face of each rear side inner clamping block facing the adjacent rear side station areas is connected with a cushion block through screws. The end face of the cushion block facing the adjacent rear station area is provided with a V-shaped block. Wherein, the right end face of the rear inner clamping block I44 is provided with a rear V-shaped block I42; the left end face of the rear inner clamping block II 40 is provided with a rear V-shaped block II 41; the right end face of the rear inner clamping block II 40 is provided with a rear V-shaped block III 38; the left end face of the rear inner clamping block III 36 is provided with a rear V-shaped block IV 37. The invention is not limited to the above-mentioned forms, and the cushion block can also have other forms of structures.
Two left adjusting screws, namely a left front adjusting screw 1 and a left rear adjusting screw 46, are arranged on the left outer clamping block 2 at intervals front and rear; the left outer clamping block 2 is provided with an adjusting screw hole I55 corresponding to the left front adjusting screw 1 and an adjusting screw hole II 57 corresponding to the left rear adjusting screw 46; two right adjusting screws, namely a right front adjusting screw 14 and a right rear adjusting screw 33, are arranged on the right outer clamping block 13 at intervals in the front-rear direction. The left front adjusting screw 1, the left rear adjusting screw 46, the right front adjusting screw 14 and the right rear adjusting screw 33 extend horizontally left and right, after workpieces are placed in the front workpiece area and the rear workpiece area and the clamping device clamps the workpieces, the left front adjusting screw 1 on the left outer clamping block 2 is used for being abutted against the left side of the leftmost front inner clamping block I3, and the left rear adjusting screw 46 on the left outer clamping block 2 is used for being abutted against the left side of the leftmost rear inner clamping block I44; the right front adjusting screw 14 on the right outer clamping block 13 is used for abutting against the right side of the rightmost front inner clamping block III 11, and the right rear adjusting screw 33 on the right outer clamping block 13 is used for abutting against the right side of the rightmost rear inner clamping block III 36. The adjusting screw is jointly used for adjusting the front rivet type hinge shaft I4 and the rear rivet type hinge shaft I43, the front rivet type hinge shaft II 8 and the rear rivet type hinge shaft II 39, and the front rivet type hinge shaft III 12 and the rear rivet type hinge shaft III 35 are on the same straight line, so that the stress is uniform in the tightening process.
When the Mitsubishi-type multi-station hydraulic milling machine fixture disclosed by the invention is used, the bottom plate 32 is fixed on a milling machine workbench, the diamond-shaped telescopic frame 64 is stretched back and forth, all middle station areas, front station areas and rear station areas can be completely put into workpieces (or workpieces are put into only part of stations, other steel pieces can be put into the empty stations to better transmit clamping force), then the clamping device shortens the distance between the left outer clamping block 2 and the right outer clamping block 13 and provides clamping force, meanwhile, the diamond-shaped telescopic frame 64 is contracted, the workpieces in the middle station areas are clamped between two cushion blocks (V-shaped blocks) of two adjacent middle inner clamping blocks, the workpieces in the front station areas are clamped between two cushion blocks (V-shaped blocks) of two adjacent front inner clamping blocks, the workpiece in the rear station area is clamped between two pads (V-blocks) 37 of adjacent two rear inner clamping blocks, the front inner clamping block i 3, the front inner clamping block ii 7 and the front inner clamping block iii 11 are clamped between the left front adjusting screw 1 on the left outer clamping block 2 and the right front adjusting screw 14 on the right outer clamping block 13, the rear inner clamping block i 44, the rear inner clamping block ii 40 and the rear inner clamping block iii 36 are clamped between the left rear adjusting screw 46 on the left outer clamping block 2 and the right rear adjusting screw 33 on the right outer clamping block 13, and all the middle inner clamping block i 28, the middle inner clamping block ii 60, the middle inner clamping block iii 61 and the middle inner clamping block iv 34 are clamped between the left outer clamping block 2 and the right outer clamping block 13.
The present invention is not limited to the preferred embodiments, but can be modified in any way according to the technical spirit of the present invention.
Claims (3)
1. The utility model provides a multistation hydraulic milling machine anchor clamps, includes the bottom plate that sets up on milling machine, its characterized in that: two outer clamping blocks extending along the front-rear direction are arranged on the bottom plate at intervals in parallel; at least two sliding grooves extending in the left-right direction are arranged on the upper surface of the bottom plate and below each outer clamping block correspondingly; the extending direction of the outer clamping block is mutually perpendicular to the extending direction of the sliding groove; each outer clamping block is in sliding connection with a sliding groove positioned below the outer clamping block, so that the two outer clamping blocks can slide back to back or opposite to each other; a diamond-shaped expansion bracket which can expand and contract between the two outer clamping blocks is arranged between the two outer clamping blocks; the diamond expansion frame is formed by hinging a plurality of diamond expansion frame connecting rods in pairs, every two diamond expansion frame connecting rods are hinged through a hinging shaft, an inner clamping block capable of moving relative to the diamond expansion frame is arranged at the position, corresponding to each hinging shaft, below the diamond expansion frame, and the hinging shafts are in interference fit connection with the inner clamping blocks; a station area for placing a workpiece is arranged between every two adjacent inner clamping blocks in the extending direction of the sliding groove, and the two adjacent inner clamping blocks are connected with cushion blocks on opposite side surfaces by screws; the outer clamping block is fixedly connected with the inner clamping block closest to the inner side surface of the outer clamping block;
the sliding groove is a dovetail groove, and a dovetail type sliding block is arranged at the bottom of the corresponding outer clamping block; the dovetail sliding block is clamped in the dovetail groove and can slide in the dovetail groove;
the bottom plate is also provided with a clamping device for adjusting the distance between the two outer clamping blocks and providing clamping force; the clamping device comprises a hydraulic cylinder arranged on the outer side of each outer clamping block and a telescopic rod connected with the hydraulic cylinder and the corresponding outer clamping block;
the extending direction of the outer clamping blocks is taken as the front-back direction, and the extending direction of the sliding grooves is taken as the left-right direction; the hinge shafts on the diamond-shaped expansion frame are sequentially divided into a front hinge shaft group, a middle hinge shaft group and a rear hinge shaft group along the front-rear direction; the front side hinge shaft group and the rear side hinge shaft group comprise n hinge shafts which can be connected into a straight line in the left-right direction; the middle hinge shaft group comprises n+1 hinge shafts which can be connected into a straight line in the left-right direction;
three inner clamping blocks adjacent to and opposite to the inner side of each outer clamping block are arranged on the inner side of each outer clamping block, and the three inner clamping blocks are a front inner clamping block, a middle inner clamping block and a rear inner clamping block in sequence in the front-rear direction; the outer clamping block is provided with an adjusting screw which is in abutting connection with the front inner clamping block and the rear inner clamping block through the outer clamping block; the outer clamping block is fixedly connected with the middle inner clamping block through a screw;
the diamond-shaped expansion bracket comprises a left connecting rod assembly, a plurality of middle connecting rod assemblies and a right connecting rod assembly which are sequentially connected from left to right; the left connecting rod assembly comprises two diamond-shaped expansion bracket connecting rods hinged in an obtuse angle and an included angle opening of the obtuse angle is towards the right side; the middle connecting rod assembly comprises two diamond-shaped expansion bracket connecting rods which are in cross hinge joint in an X shape; the right connecting rod assembly comprises two diamond-shaped expansion bracket connecting rods hinged in an obtuse angle and an included angle opening of the obtuse angle is oriented to the left side.
2. A multi-station hydraulic milling machine fixture as claimed in claim 1, wherein: each outer clamping block is in sliding connection with two parallel sliding grooves.
3. A multi-station hydraulic milling machine fixture as claimed in claim 1, wherein: the end faces of the cushion blocks, which face the corresponding station areas, are provided with V-shaped blocks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810954819.XA CN109176083B (en) | 2018-08-21 | 2018-08-21 | Multi-station hydraulic milling machine fixture |
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| CN201810954819.XA CN109176083B (en) | 2018-08-21 | 2018-08-21 | Multi-station hydraulic milling machine fixture |
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| CN109176083B true CN109176083B (en) | 2024-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719546B (en) * | 2019-03-13 | 2020-11-06 | 浙江师范大学 | Electromechanical and hydraulic integrated voltage-sharing clamping system |
| CN112123201B (en) * | 2019-06-25 | 2022-11-08 | 武汉科技大学 | Irregular curved surface clamping mechanism that polishes |
| CN112981878B (en) * | 2021-01-22 | 2023-07-18 | 重庆大学 | Intelligent clothes hanger |
| CN113183030A (en) * | 2021-05-10 | 2021-07-30 | 成都先进金属材料产业技术研究院股份有限公司 | Metallographic specimen grinds anchor clamps |
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| CN109176083A (en) | 2019-01-11 |
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