CN110270860B - Clamp for clamping shaft type workpiece by numerical control milling machine - Google Patents
Clamp for clamping shaft type workpiece by numerical control milling machine Download PDFInfo
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- CN110270860B CN110270860B CN201910669570.2A CN201910669570A CN110270860B CN 110270860 B CN110270860 B CN 110270860B CN 201910669570 A CN201910669570 A CN 201910669570A CN 110270860 B CN110270860 B CN 110270860B
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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Abstract
The invention relates to a clamp for a numerical control milling machine, in particular to a clamp for clamping a shaft type workpiece by the numerical control milling machine. The technical problem of the invention is that: the clamp for clamping the shaft type workpiece by the numerical control milling machine can prevent axial shaking and improve machining precision. A clamp for clamping a shaft type workpiece by a numerical control milling machine comprises a base, a large bolt, a large bracket, a rectangular guide rod, a large fixing plate, an arc-shaped guide plate, a ball body and the like; the base is provided with a large through hole which penetrates through the base from top to bottom, a large bolt is slidably positioned in the large through hole, and the top of the base is connected with a large support. The clamp for clamping the shaft type workpiece by the numerical control milling machine provided by the invention can be used for clamping and fixing the shaft type workpiece in a radial and axial manner, has a good clamping effect, prevents the shaft type workpiece from shaking in the axial direction, is favorable for improving the processing precision, can be used for inclining the shaft type workpiece, is convenient for performing complex processing on the shaft type workpiece, and is favorable for production and development of enterprises.
Description
Technical Field
The invention relates to a clamp for a numerical control milling machine, in particular to a clamp for clamping a shaft type workpiece by the numerical control milling machine.
Background
The numerical control milling machine is divided into two categories, namely a tool magazine-free type and a tool magazine-provided type, wherein the numerical control milling machine with the tool magazine is also called as a machining center, the workpiece can be machined by the numerical control milling machine after the workpiece is fixed by a clamp, the conventional clamp for the numerical control milling machine usually only radially clamps and fixes the shaft type workpiece, the shaft type workpiece is easy to shake axially, the machining precision is seriously influenced, and the production and development of enterprises are not facilitated.
Disclosure of Invention
In order to overcome the defects that the axial workpiece is easy to shake axially and the processing precision is seriously influenced because the conventional clamp for the numerical control milling machine only clamps and fixes the axial workpiece in the radial direction, the technical problem of the invention is as follows: the clamp for clamping the shaft type workpiece by the numerical control milling machine can prevent axial shaking and improve machining precision.
A clamp for clamping a shaft type workpiece by a numerical control milling machine comprises a base, a large bolt, a large bracket, a rectangular guide rod, a large fixing plate, an arc-shaped guide plate, a ball body, a small bracket, a large screw rod, a large tension spring, a first large supporting plate, a left wedge-shaped clamping plate, a first bearing, a first long screw rod, a first connecting plate, a first baffle plate, a second large supporting plate, a right wedge-shaped clamping plate, a second bearing, a second long screw rod, a second connecting plate and a second baffle plate, wherein the base is provided with a large through hole penetrating up and down, the large bolt is slidably positioned in the large through hole, the top of the base is connected with the large bracket, the upper end of the large bracket is hinged and connected with the bottom of the rectangular guide rod, the right side wall of the large bracket is connected with the large fixing plate, the large fixing plate is provided with an arc-shaped groove penetrating up and down, the arc-shaped guide plate is slidably positioned in, the ball body is positioned in the spherical sliding groove, the ball body is in sliding fit with the spherical sliding groove, the lower end of the small support is connected with the top of the base, the upper end of the small support is connected with the bottom of the large fixing plate, the small support is positioned on the right side of the arc-shaped groove, the large screw rod is in threaded connection with the large fixing plate, the upper end of the large screw rod is in contact with the bottom of the rectangular guide rod, the large screw rod is positioned on the right side of the small support, the large tension spring is positioned above the rectangular guide rod, the right side wall of the first large support plate is connected with the left end of the large tension spring, the lower part of the first large support plate is provided with a first rectangular guide hole which penetrates left and right, the rectangular guide rod is positioned in the first rectangular guide hole, the rectangular guide rod is in sliding fit with the first rectangular guide hole, the first large support plate is positioned on the left side of the large support, the bottom of the first large, the first small slot is communicated with the first rectangular guide hole, the top of the first large supporting plate is provided with a first U-shaped groove extending downwards, the upper part of the front side wall of the first large supporting plate is provided with a first large groove extending backwards, the first large groove is communicated with the first U-shaped groove, the left wedge-shaped clamping plate is slidably positioned in the first U-shaped groove and the first large groove, the rear side wall of the left wedge-shaped clamping plate is embedded with a first bearing, a first long screw rod is in threaded connection with the first large supporting plate, the front end of the first long screw rod is in interference connection with the first bearing, the left side wall of the first large supporting plate is connected with a first connecting plate, the first connecting plate is positioned between the first rectangular guide hole and the first U-shaped groove, the left end of the top of the first connecting plate is connected with a first baffle plate, the first baffle plate corresponds to the first U-shaped groove, the left side wall of the second large supporting plate is connected with the right end of the large tension spring, the lower part of the second, the rectangular guide rod is positioned in the second rectangular guide hole, the rectangular guide rod is in sliding fit with the second rectangular guide hole, the second large supporting plate is positioned on the right side of the large screw rod, the bottom of the second large supporting plate is provided with a second small slot extending upwards, the second small slot is positioned right below the second rectangular guide hole, the second small slot is communicated with the second rectangular guide hole, the top of the second large supporting plate is provided with a second U-shaped slot extending downwards, the front side wall of the second large supporting plate is provided with a second large slot extending backwards, the second large slot is communicated with the second U-shaped slot, the right wedge-shaped clamping plate is positioned in the second U-shaped slot and the second large slot in a sliding manner, the rear side wall of the right wedge-shaped clamping plate is embedded with a second bearing, the second long screw rod is in threaded connection with the second large supporting plate, the front end of the second long screw rod is in interference connection with the second bearing, the right side wall of the second large supporting plate is connected with a second connecting plate, and a second connecting plate is positioned between the second rectangular guide, the right end of the top of the second connecting plate is connected with a second baffle plate, and the second baffle plate corresponds to the second U-shaped groove.
Optionally, the lifting device further comprises a first ratchet plate, a first ratchet block, a first lifting plate, a first guide rod, a first spring, a second ratchet plate, a second ratchet block, a second lifting plate, a second guide rod and a second spring, wherein the first ratchet plate is embedded at the bottom of the rectangular guide rod, the first ratchet plate is positioned on the left side of the large support, the first ratchet block is positioned below the first ratchet plate and matched with the first ratchet plate, the first ratchet block is slidably positioned in the first small slot, the bottom of the first ratchet block is connected with the right side of the top of the first lifting plate, the left part of the first lifting plate is provided with a first small guide hole which penetrates through the first lifting plate from top to bottom, the first guide rod is positioned in the first small guide hole and is in sliding fit with the first small guide hole, the upper end of the first guide rod is connected with the bottom of the first large supporting plate, the first spring is sleeved on the first guide rod, and the first spring is positioned below the first lifting plate, the bottom of rectangle guide bar inlays and is equipped with the second thorn board, the second thorn board is located the right side of big screw rod, the second thorn piece is located the below of second thorn board, the second thorn piece cooperatees with the second thorn board, what the second thorn piece was slidingtype is located the little slot of second, the bottom of second thorn piece is connected with the left side at second lifter plate top, the second little guiding hole that runs through from top to bottom is opened on the right side of second lifter plate, the second guide bar is located the little guiding hole of second, second guide bar and the little guiding hole sliding fit of second, second guide bar upper end is connected with the big layer board bottom of second, the second spring housing is on the second guide bar, the second spring is located the below of second lifter plate.
Optionally, the first rotating mechanism further comprises a first fixing block, a first rotating shaft, a first rotating disk, a first arc-shaped pressing plate and a first torsion spring, the first fixing block is connected to the upper portion of the left side wall of the first baffle, a first rotating groove extending rightwards is formed in the left side wall of the first fixing block, the first rotating shaft is located in the first fixing block and is connected with the first fixing block in a rotating mode, the middle of the first rotating disk is fixedly sleeved on the first rotating shaft, the first arc-shaped pressing plate is connected to the top of the first rotating disk, a third U-shaped groove is formed in the lower right end of the first arc-shaped pressing plate, the first torsion spring is sleeved on the first rotating shaft and is located in front of the first rotating disk, the upper end of the first torsion spring is connected with the left side of the first arc-shaped pressing plate, and the lower end of the first torsion spring is connected.
Optionally, the rotary table further comprises a second fixed block, a second rotating shaft, a second rotating disk, a second arc-shaped pressing plate and a second torsion spring, the second fixed block is connected to the upper portion of the right side wall of the second baffle, a second rotating groove extending leftwards is formed in the right side wall of the second fixed block, the second rotating shaft is located in the second rotating groove, the second rotating shaft is rotatably connected with the second fixed block, the middle of the second rotating disk is fixedly sleeved on the second rotating shaft, the top of the second rotating disk is connected with the second arc-shaped pressing plate, a fourth U-shaped groove is formed in the lower left end of the second arc-shaped pressing plate, the second torsion spring is sleeved on the second rotating shaft, the second torsion spring is located in front of the second rotating disk, the right side of the second arc-shaped pressing plate at the upper end of the second torsion spring is connected, and the lower end of the.
In the invention, the shaft type workpiece is fixed on a numerical control milling machine through a big bolt, then the shaft type workpiece is placed in a first U-shaped groove and a second U-shaped groove, the distance between a first big supporting plate and a second big supporting plate is adjusted according to the length of the shaft type workpiece, the two ends of the shaft type workpiece are tightly clamped through a first baffle plate and a second baffle plate under the action of the tension of a big tension spring, so that the shaft type workpiece is prevented from axially shaking, the processing precision is improved, then a first long screw rod and a second long screw rod are screwed, the shaft type workpiece is clamped through a left wedge-shaped clamping plate and a right wedge-shaped clamping plate, when the shaft type workpiece needs to be obliquely processed, a rectangular guide rod can be vertically swung, an arc-shaped guide plate provides swinging assistance for the rectangular guide rod, after swinging is finished, the big screw rod is screwed, the rectangular guide rod is supported through the big screw rod, the strength is saved, then the rectangular guide rod is held, and the shaft type workpiece can be processed in an inclined mode.
When the first large supporting plate and the second large supporting plate are adjusted in a sliding mode according to the length of the shaft type workpiece, the first ratchet block and the second ratchet block can slide on the first ratchet plate and the second ratchet plate respectively, and after the first large supporting plate and the second large supporting plate are adjusted, the first ratchet block and the second ratchet block can be used for fixing, the shaft type workpiece can be better clamped, and the shaft type workpiece is more stable.
At the moment, the first rotating disk can be firstly swung, the first arc-shaped pressing plate is upwards pulled, then the left end of the shaft-type workpiece is contacted with the first baffle plate, then the first arc-shaped pressing plate is loosened, the first arc-shaped pressing plate moves downwards and presses the shaft-type workpiece under the torsion action of the first torsion spring, and at the moment, the shaft-type workpiece enters the third U-shaped groove.
At the moment, the second rotating disk can be swung, the second arc-shaped pressing plate is pulled upwards, the right end of the shaft-type workpiece is contacted with the second baffle plate, then the second arc-shaped pressing plate is loosened, the second arc-shaped pressing plate moves downwards and presses the shaft-type workpiece under the torsion action of the second torsion spring, and the shaft-type workpiece enters the fourth U-shaped groove.
The clamp for clamping the shaft type workpiece by the numerical control milling machine provided by the invention can be used for clamping and fixing the shaft type workpiece in a radial and axial manner, has a good clamping effect, prevents the shaft type workpiece from shaking in the axial direction, is favorable for improving the processing precision, can be used for inclining the shaft type workpiece, is convenient for performing complex processing on the shaft type workpiece, and is favorable for production and development of enterprises.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a left side view schematic structural diagram of the first large pallet of the present invention.
Fig. 3 is a right-view structural schematic diagram of a second large pallet of the present invention.
Fig. 4 is an enlarged schematic view of part a of the present invention.
Fig. 5 is an enlarged schematic view of part B of the present invention.
Fig. 6 is an enlarged schematic view of part C of the present invention.
Fig. 7 is an enlarged schematic view of part D of the present invention.
The meaning of the reference symbols in the figures: 1: base, 2: big bolt, 3: large support, 4: rectangular guide bar, 5: large fixed plate, 6: arc deflector, 7: sphere, 8: small support, 9: large screw, 10: big extension spring, 11: first large pallet, 12: left wedge clamp, 13: first bearing, 14: first long screw, 15: first connecting plate, 16: first baffle, 17: second large pallet, 18: right wedge pallet, 19: second bearing, 20: second long screw, 21: second connecting plate, 22: second baffle, 31: first ratchet plate, 32: first ratchet block, 33: first lifter plate, 34: first guide bar, 35: first spring, 36: second ratchet plate, 37: second ratchet block, 38: second lifter plate, 39: second guide bar, 40: second spring, 51: first fixing block, 52: first rotation axis, 53: first rotating disk, 54: first arc-shaped platen, 55: first torsion spring, 61: second fixed block, 62: second rotation axis, 63: second rotating disk, 64: second arc-shaped pressing plate, 65: second torsion spring, 101: large via, 111: first rectangular guide hole, 112: first small slot, 113: first U-shaped groove, 114: first large groove, 171: second rectangular guide hole, 172: second small slot, 173: second U-shaped groove, 174: second large groove, 331: first small guide hole, 381: second small guide hole, 401: spherical chute, 501: arc-shaped groove, 511: first rotating groove, 611: second rotating tub, 541: third U-shaped groove, 641: and a fourth U-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Example 1
A clamp for clamping a shaft type workpiece by a numerical control milling machine is disclosed, as shown in figures 1-7, and comprises a base 1, a large bolt 2, a large bracket 3, a rectangular guide rod 4, a large fixed plate 5, an arc-shaped guide plate 6, a sphere 7, a small bracket 8, a large screw 9, a large tension spring 10, a first large supporting plate 11, a left wedge-shaped clamping plate 12, a first bearing 13, a first long screw 14, a first connecting plate 15, a first baffle plate 16, a second large supporting plate 17, a right wedge-shaped clamping plate 18, a second bearing 19, a second long screw 20, a second connecting plate 21 and a second baffle plate 22, wherein the base 1 is provided with a large through hole 101 which penetrates up and down, the large bolt 2 is slidably positioned in the large through hole 101, the top of the base 1 is connected with the large bracket 3, the upper end of the large bracket 3 is hinged with the bottom of the rectangular guide rod 4, the right side wall of the large bracket 3 is connected with the large fixed plate 5, the large, the arc-shaped guide plate 6 is slidably positioned in the arc-shaped groove 501, the upper end of the arc-shaped guide plate 6 is connected with the ball body 7, the bottom of the rectangular guide rod 4 is provided with the spherical sliding groove 401, the ball body 7 is positioned in the spherical sliding groove 401, the ball body 7 is in sliding fit with the spherical sliding groove 401, the lower end of the small support 8 is connected with the top of the base 1, the upper end of the small support 8 is connected with the bottom of the large fixing plate 5, the small support 8 is positioned at the right side of the arc-shaped groove 501, the large screw 9 is in threaded connection with the large fixing plate 5, the upper end of the large screw 9 is in contact with the bottom of the rectangular guide rod 4, the large screw 9 is positioned at the right side of the small support 8, the large tension spring 10 is positioned above the rectangular guide rod 4, the right side wall of the first large supporting plate 11 is connected with the left end of the large tension spring 10, the lower part of the first, the rectangular guide rod 4 is in sliding fit with a first rectangular guide hole 111, the first large supporting plate 11 is positioned on the left side of the large support 3, a first small slot 112 extending upwards is formed in the bottom of the first large supporting plate 11, the first small slot 112 is positioned under the first rectangular guide hole 111, the first small slot 112 is communicated with the first rectangular guide hole 111, a first U-shaped groove 113 extending downwards is formed in the top of the first large supporting plate 11, a first large groove 114 extending backwards is formed in the upper portion of the front side wall of the first large supporting plate 11, the first large groove 114 is communicated with the first U-shaped groove 113, the left wedge-shaped clamping plate 12 is slidably positioned in the first U-shaped groove 113 and the first large groove 114, a first bearing 13 is embedded in the rear side wall of the left wedge-shaped clamping plate 12, the first long screw 14 is in threaded connection with the first large supporting plate 11, the front end of the first long screw 14 is in interference connection with the first bearing 13, a first connecting plate 15 is connected to the left side wall of the first large supporting plate 11, the first connecting plate 15 is located between the first rectangular guide hole 111 and the first U-shaped groove 113, the left end of the top of the first connecting plate 15 is connected with the first baffle 16, the first baffle 16 corresponds to the first U-shaped groove 113, the left side wall of the second big supporting plate 17 is connected with the right end of the big tension spring 10, the lower part of the second big supporting plate 17 is provided with a second rectangular guide hole 171 which penetrates left and right, the rectangular guide rod 4 is located in the second rectangular guide hole 171, the rectangular guide rod 4 is in sliding fit with the second rectangular guide hole 171, the second big supporting plate 17 is located at the right side of the big screw 9, the bottom of the second big supporting plate 17 is provided with a second small slot 172 which extends upwards, the second small slot 172 is located under the second rectangular guide hole 171, the second small slot 172 is communicated with the second rectangular guide hole 171, the top of the second big supporting plate 17 is provided with a second U-shaped groove 173 which extends downwards, the front side wall of the second big supporting plate 17 is provided with a second big groove 174 which extends backwards, the second big groove 174 is communicated with the second U-shaped groove 173, the right wedge-shaped clamping plate 18 is slidably located in the second U-shaped groove 173 and the second big groove 174, the second bearing 19 is embedded in the rear side wall of the right wedge-shaped clamping plate 18, the second long screw 20 is in threaded connection with the second big supporting plate 17, the front end of the second long screw 20 is in interference connection with the second bearing 19, the right side wall of the second big supporting plate 17 is connected with the second connecting plate 21, the second connecting plate 21 is located between the second rectangular guide hole 171 and the second U-shaped groove 173, the right end of the top of the second connecting plate 21 is connected with the second baffle 22, and the second baffle 22 corresponds to the second U-shaped groove 173.
Example 2
A clamp for clamping a shaft type workpiece by a numerical control milling machine is disclosed, as shown in figures 1-7, and comprises a base 1, a large bolt 2, a large bracket 3, a rectangular guide rod 4, a large fixed plate 5, an arc-shaped guide plate 6, a sphere 7, a small bracket 8, a large screw 9, a large tension spring 10, a first large supporting plate 11, a left wedge-shaped clamping plate 12, a first bearing 13, a first long screw 14, a first connecting plate 15, a first baffle plate 16, a second large supporting plate 17, a right wedge-shaped clamping plate 18, a second bearing 19, a second long screw 20, a second connecting plate 21 and a second baffle plate 22, wherein the base 1 is provided with a large through hole 101 which penetrates up and down, the large bolt 2 is slidably positioned in the large through hole 101, the top of the base 1 is connected with the large bracket 3, the upper end of the large bracket 3 is hinged with the bottom of the rectangular guide rod 4, the right side wall of the large bracket 3 is connected with the large fixed plate 5, the large, the arc-shaped guide plate 6 is slidably positioned in the arc-shaped groove 501, the upper end of the arc-shaped guide plate 6 is connected with the ball body 7, the bottom of the rectangular guide rod 4 is provided with the spherical sliding groove 401, the ball body 7 is positioned in the spherical sliding groove 401, the ball body 7 is in sliding fit with the spherical sliding groove 401, the lower end of the small support 8 is connected with the top of the base 1, the upper end of the small support 8 is connected with the bottom of the large fixing plate 5, the small support 8 is positioned at the right side of the arc-shaped groove 501, the large screw 9 is in threaded connection with the large fixing plate 5, the upper end of the large screw 9 is in contact with the bottom of the rectangular guide rod 4, the large screw 9 is positioned at the right side of the small support 8, the large tension spring 10 is positioned above the rectangular guide rod 4, the right side wall of the first large supporting plate 11 is connected with the left end of the large tension spring 10, the lower part of the first, the rectangular guide rod 4 is in sliding fit with a first rectangular guide hole 111, the first large supporting plate 11 is positioned on the left side of the large support 3, a first small slot 112 extending upwards is formed in the bottom of the first large supporting plate 11, the first small slot 112 is positioned under the first rectangular guide hole 111, the first small slot 112 is communicated with the first rectangular guide hole 111, a first U-shaped groove 113 extending downwards is formed in the top of the first large supporting plate 11, a first large groove 114 extending backwards is formed in the upper portion of the front side wall of the first large supporting plate 11, the first large groove 114 is communicated with the first U-shaped groove 113, the left wedge-shaped clamping plate 12 is slidably positioned in the first U-shaped groove 113 and the first large groove 114, a first bearing 13 is embedded in the rear side wall of the left wedge-shaped clamping plate 12, the first long screw 14 is in threaded connection with the first large supporting plate 11, the front end of the first long screw 14 is in interference connection with the first bearing 13, a first connecting plate 15 is connected to the left side wall of the first large supporting plate 11, the first connecting plate 15 is located between the first rectangular guide hole 111 and the first U-shaped groove 113, the left end of the top of the first connecting plate 15 is connected with the first baffle 16, the first baffle 16 corresponds to the first U-shaped groove 113, the left side wall of the second big supporting plate 17 is connected with the right end of the big tension spring 10, the lower part of the second big supporting plate 17 is provided with a second rectangular guide hole 171 which penetrates left and right, the rectangular guide rod 4 is located in the second rectangular guide hole 171, the rectangular guide rod 4 is in sliding fit with the second rectangular guide hole 171, the second big supporting plate 17 is located at the right side of the big screw 9, the bottom of the second big supporting plate 17 is provided with a second small slot 172 which extends upwards, the second small slot 172 is located under the second rectangular guide hole 171, the second small slot 172 is communicated with the second rectangular guide hole 171, the top of the second big supporting plate 17 is provided with a second U-shaped groove 173 which extends downwards, the front side wall of the second big supporting plate 17 is provided with a second big groove 174 which extends backwards, the second big groove 174 is communicated with the second U-shaped groove 173, the right wedge-shaped clamping plate 18 is slidably located in the second U-shaped groove 173 and the second big groove 174, the second bearing 19 is embedded in the rear side wall of the right wedge-shaped clamping plate 18, the second long screw 20 is in threaded connection with the second big supporting plate 17, the front end of the second long screw 20 is in interference connection with the second bearing 19, the right side wall of the second big supporting plate 17 is connected with the second connecting plate 21, the second connecting plate 21 is located between the second rectangular guide hole 171 and the second U-shaped groove 173, the right end of the top of the second connecting plate 21 is connected with the second baffle 22, and the second baffle 22 corresponds to the second U-shaped groove 173.
The lifting support further comprises a first ratchet plate 31, a first ratchet block 32, a first lifting plate 33, a first guide rod 34, a first spring 35, a second ratchet plate 36, a second ratchet block 37, a second lifting plate 38, a second guide rod 39 and a second spring 40, the first ratchet plate 31 is embedded at the bottom of the rectangular guide rod 4, the first ratchet plate 31 is positioned at the left side of the large support 3, the first ratchet block 32 is positioned below the first ratchet plate 31, the first ratchet block 32 is matched with the first ratchet plate 31, the first ratchet block 32 is slidably positioned in the first small slot 112, the bottom of the first ratchet block 32 is connected with the right side of the top of the first lifting plate 33, a first small guide hole 331 which penetrates through the first lifting plate 33 from top to bottom is formed at the left part of the first guide rod 34, the first guide rod 34 is positioned in the first small guide hole 331, the first guide rod 34 is in sliding fit with the first small guide hole 331, the upper end of the first guide rod 34 is connected with the bottom of the first large support plate 11, the first spring 35 is sleeved on the first guide rod 34, the first spring 35 is located below the first lifting plate 33, the second ratchet plate 36 is embedded at the bottom of the rectangular guide rod 4, the second ratchet plate 36 is located on the right side of the large screw 9, the second ratchet block 37 is located below the second ratchet plate 36, the second ratchet block 37 is matched with the second ratchet plate 36, the second ratchet block 37 is slidably located in the second small slot 172, the bottom of the second ratchet block 37 is connected with the left side of the top of the second lifting plate 38, the right side of the second lifting plate 38 is provided with a second small guide hole 381 penetrating up and down, the second guide rod 39 is located in the second small guide hole 381, the second guide rod 39 is in sliding fit with the second small guide hole 381, the upper end of the second guide rod 39 is connected with the bottom of the second large supporting plate 17, the second spring 40 is sleeved on the second guide rod 39, and the second spring 40 is located below the second lifting plate 38.
Example 3
A clamp for clamping a shaft type workpiece by a numerical control milling machine is disclosed, as shown in figures 1-7, and comprises a base 1, a large bolt 2, a large bracket 3, a rectangular guide rod 4, a large fixed plate 5, an arc-shaped guide plate 6, a sphere 7, a small bracket 8, a large screw 9, a large tension spring 10, a first large supporting plate 11, a left wedge-shaped clamping plate 12, a first bearing 13, a first long screw 14, a first connecting plate 15, a first baffle plate 16, a second large supporting plate 17, a right wedge-shaped clamping plate 18, a second bearing 19, a second long screw 20, a second connecting plate 21 and a second baffle plate 22, wherein the base 1 is provided with a large through hole 101 which penetrates up and down, the large bolt 2 is slidably positioned in the large through hole 101, the top of the base 1 is connected with the large bracket 3, the upper end of the large bracket 3 is hinged with the bottom of the rectangular guide rod 4, the right side wall of the large bracket 3 is connected with the large fixed plate 5, the large, the arc-shaped guide plate 6 is slidably positioned in the arc-shaped groove 501, the upper end of the arc-shaped guide plate 6 is connected with the ball body 7, the bottom of the rectangular guide rod 4 is provided with the spherical sliding groove 401, the ball body 7 is positioned in the spherical sliding groove 401, the ball body 7 is in sliding fit with the spherical sliding groove 401, the lower end of the small support 8 is connected with the top of the base 1, the upper end of the small support 8 is connected with the bottom of the large fixing plate 5, the small support 8 is positioned at the right side of the arc-shaped groove 501, the large screw 9 is in threaded connection with the large fixing plate 5, the upper end of the large screw 9 is in contact with the bottom of the rectangular guide rod 4, the large screw 9 is positioned at the right side of the small support 8, the large tension spring 10 is positioned above the rectangular guide rod 4, the right side wall of the first large supporting plate 11 is connected with the left end of the large tension spring 10, the lower part of the first, the rectangular guide rod 4 is in sliding fit with a first rectangular guide hole 111, the first large supporting plate 11 is positioned on the left side of the large support 3, a first small slot 112 extending upwards is formed in the bottom of the first large supporting plate 11, the first small slot 112 is positioned under the first rectangular guide hole 111, the first small slot 112 is communicated with the first rectangular guide hole 111, a first U-shaped groove 113 extending downwards is formed in the top of the first large supporting plate 11, a first large groove 114 extending backwards is formed in the upper portion of the front side wall of the first large supporting plate 11, the first large groove 114 is communicated with the first U-shaped groove 113, the left wedge-shaped clamping plate 12 is slidably positioned in the first U-shaped groove 113 and the first large groove 114, a first bearing 13 is embedded in the rear side wall of the left wedge-shaped clamping plate 12, the first long screw 14 is in threaded connection with the first large supporting plate 11, the front end of the first long screw 14 is in interference connection with the first bearing 13, a first connecting plate 15 is connected to the left side wall of the first large supporting plate 11, the first connecting plate 15 is located between the first rectangular guide hole 111 and the first U-shaped groove 113, the left end of the top of the first connecting plate 15 is connected with the first baffle 16, the first baffle 16 corresponds to the first U-shaped groove 113, the left side wall of the second big supporting plate 17 is connected with the right end of the big tension spring 10, the lower part of the second big supporting plate 17 is provided with a second rectangular guide hole 171 which penetrates left and right, the rectangular guide rod 4 is located in the second rectangular guide hole 171, the rectangular guide rod 4 is in sliding fit with the second rectangular guide hole 171, the second big supporting plate 17 is located at the right side of the big screw 9, the bottom of the second big supporting plate 17 is provided with a second small slot 172 which extends upwards, the second small slot 172 is located under the second rectangular guide hole 171, the second small slot 172 is communicated with the second rectangular guide hole 171, the top of the second big supporting plate 17 is provided with a second U-shaped groove 173 which extends downwards, the front side wall of the second big supporting plate 17 is provided with a second big groove 174 which extends backwards, the second big groove 174 is communicated with the second U-shaped groove 173, the right wedge-shaped clamping plate 18 is slidably located in the second U-shaped groove 173 and the second big groove 174, the second bearing 19 is embedded in the rear side wall of the right wedge-shaped clamping plate 18, the second long screw 20 is in threaded connection with the second big supporting plate 17, the front end of the second long screw 20 is in interference connection with the second bearing 19, the right side wall of the second big supporting plate 17 is connected with the second connecting plate 21, the second connecting plate 21 is located between the second rectangular guide hole 171 and the second U-shaped groove 173, the right end of the top of the second connecting plate 21 is connected with the second baffle 22, and the second baffle 22 corresponds to the second U-shaped groove 173.
The lifting support further comprises a first ratchet plate 31, a first ratchet block 32, a first lifting plate 33, a first guide rod 34, a first spring 35, a second ratchet plate 36, a second ratchet block 37, a second lifting plate 38, a second guide rod 39 and a second spring 40, the first ratchet plate 31 is embedded at the bottom of the rectangular guide rod 4, the first ratchet plate 31 is positioned at the left side of the large support 3, the first ratchet block 32 is positioned below the first ratchet plate 31, the first ratchet block 32 is matched with the first ratchet plate 31, the first ratchet block 32 is slidably positioned in the first small slot 112, the bottom of the first ratchet block 32 is connected with the right side of the top of the first lifting plate 33, a first small guide hole 331 which penetrates through the first lifting plate 33 from top to bottom is formed at the left part of the first guide rod 34, the first guide rod 34 is positioned in the first small guide hole 331, the first guide rod 34 is in sliding fit with the first small guide hole 331, the upper end of the first guide rod 34 is connected with the bottom of the first large support plate 11, the first spring 35 is sleeved on the first guide rod 34, the first spring 35 is located below the first lifting plate 33, the second ratchet plate 36 is embedded at the bottom of the rectangular guide rod 4, the second ratchet plate 36 is located on the right side of the large screw 9, the second ratchet block 37 is located below the second ratchet plate 36, the second ratchet block 37 is matched with the second ratchet plate 36, the second ratchet block 37 is slidably located in the second small slot 172, the bottom of the second ratchet block 37 is connected with the left side of the top of the second lifting plate 38, the right side of the second lifting plate 38 is provided with a second small guide hole 381 penetrating up and down, the second guide rod 39 is located in the second small guide hole 381, the second guide rod 39 is in sliding fit with the second small guide hole 381, the upper end of the second guide rod 39 is connected with the bottom of the second large supporting plate 17, the second spring 40 is sleeved on the second guide rod 39, and the second spring 40 is located below the second lifting plate 38.
Also comprises a first fixed block 51 and a first rotating shaft 52, the first baffle plate 16 comprises a first rotating disc 53, a first arc-shaped pressing plate 54 and a first torsion spring 55, wherein the upper part of the left side wall of the first baffle plate 16 is connected with a first fixing block 51, the left side wall of the first fixing block 51 is provided with a first rotating groove 511 extending rightwards, the first rotating shaft 52 is positioned in the first fixing block 51, the first rotating shaft 52 is rotatably connected with the first fixing block 51, the middle part of the first rotating disc 53 is fixedly sleeved on the first rotating shaft 52, the top part of the first rotating disc 53 is connected with the first arc-shaped pressing plate 54, the right lower end of the first arc-shaped pressing plate 54 is provided with a third U-shaped groove 541, the first torsion spring 55 is sleeved on the first rotating shaft 52, the first torsion spring 55 is positioned in front of the first rotating disc 53, the upper end of the first torsion spring 55 is connected with the left side of the first arc-shaped pressing plate 54, and the.
Example 4
A clamp for clamping a shaft type workpiece by a numerical control milling machine is disclosed, as shown in figures 1-7, and comprises a base 1, a large bolt 2, a large bracket 3, a rectangular guide rod 4, a large fixed plate 5, an arc-shaped guide plate 6, a sphere 7, a small bracket 8, a large screw 9, a large tension spring 10, a first large supporting plate 11, a left wedge-shaped clamping plate 12, a first bearing 13, a first long screw 14, a first connecting plate 15, a first baffle plate 16, a second large supporting plate 17, a right wedge-shaped clamping plate 18, a second bearing 19, a second long screw 20, a second connecting plate 21 and a second baffle plate 22, wherein the base 1 is provided with a large through hole 101 which penetrates up and down, the large bolt 2 is slidably positioned in the large through hole 101, the top of the base 1 is connected with the large bracket 3, the upper end of the large bracket 3 is hinged with the bottom of the rectangular guide rod 4, the right side wall of the large bracket 3 is connected with the large fixed plate 5, the large, the arc-shaped guide plate 6 is slidably positioned in the arc-shaped groove 501, the upper end of the arc-shaped guide plate 6 is connected with the ball body 7, the bottom of the rectangular guide rod 4 is provided with the spherical sliding groove 401, the ball body 7 is positioned in the spherical sliding groove 401, the ball body 7 is in sliding fit with the spherical sliding groove 401, the lower end of the small support 8 is connected with the top of the base 1, the upper end of the small support 8 is connected with the bottom of the large fixing plate 5, the small support 8 is positioned at the right side of the arc-shaped groove 501, the large screw 9 is in threaded connection with the large fixing plate 5, the upper end of the large screw 9 is in contact with the bottom of the rectangular guide rod 4, the large screw 9 is positioned at the right side of the small support 8, the large tension spring 10 is positioned above the rectangular guide rod 4, the right side wall of the first large supporting plate 11 is connected with the left end of the large tension spring 10, the lower part of the first, the rectangular guide rod 4 is in sliding fit with a first rectangular guide hole 111, the first large supporting plate 11 is positioned on the left side of the large support 3, a first small slot 112 extending upwards is formed in the bottom of the first large supporting plate 11, the first small slot 112 is positioned under the first rectangular guide hole 111, the first small slot 112 is communicated with the first rectangular guide hole 111, a first U-shaped groove 113 extending downwards is formed in the top of the first large supporting plate 11, a first large groove 114 extending backwards is formed in the upper portion of the front side wall of the first large supporting plate 11, the first large groove 114 is communicated with the first U-shaped groove 113, the left wedge-shaped clamping plate 12 is slidably positioned in the first U-shaped groove 113 and the first large groove 114, a first bearing 13 is embedded in the rear side wall of the left wedge-shaped clamping plate 12, the first long screw 14 is in threaded connection with the first large supporting plate 11, the front end of the first long screw 14 is in interference connection with the first bearing 13, a first connecting plate 15 is connected to the left side wall of the first large supporting plate 11, the first connecting plate 15 is located between the first rectangular guide hole 111 and the first U-shaped groove 113, the left end of the top of the first connecting plate 15 is connected with the first baffle 16, the first baffle 16 corresponds to the first U-shaped groove 113, the left side wall of the second big supporting plate 17 is connected with the right end of the big tension spring 10, the lower part of the second big supporting plate 17 is provided with a second rectangular guide hole 171 which penetrates left and right, the rectangular guide rod 4 is located in the second rectangular guide hole 171, the rectangular guide rod 4 is in sliding fit with the second rectangular guide hole 171, the second big supporting plate 17 is located at the right side of the big screw 9, the bottom of the second big supporting plate 17 is provided with a second small slot 172 which extends upwards, the second small slot 172 is located under the second rectangular guide hole 171, the second small slot 172 is communicated with the second rectangular guide hole 171, the top of the second big supporting plate 17 is provided with a second U-shaped groove 173 which extends downwards, the front side wall of the second big supporting plate 17 is provided with a second big groove 174 which extends backwards, the second big groove 174 is communicated with the second U-shaped groove 173, the right wedge-shaped clamping plate 18 is slidably located in the second U-shaped groove 173 and the second big groove 174, the second bearing 19 is embedded in the rear side wall of the right wedge-shaped clamping plate 18, the second long screw 20 is in threaded connection with the second big supporting plate 17, the front end of the second long screw 20 is in interference connection with the second bearing 19, the right side wall of the second big supporting plate 17 is connected with the second connecting plate 21, the second connecting plate 21 is located between the second rectangular guide hole 171 and the second U-shaped groove 173, the right end of the top of the second connecting plate 21 is connected with the second baffle 22, and the second baffle 22 corresponds to the second U-shaped groove 173.
The lifting support further comprises a first ratchet plate 31, a first ratchet block 32, a first lifting plate 33, a first guide rod 34, a first spring 35, a second ratchet plate 36, a second ratchet block 37, a second lifting plate 38, a second guide rod 39 and a second spring 40, the first ratchet plate 31 is embedded at the bottom of the rectangular guide rod 4, the first ratchet plate 31 is positioned at the left side of the large support 3, the first ratchet block 32 is positioned below the first ratchet plate 31, the first ratchet block 32 is matched with the first ratchet plate 31, the first ratchet block 32 is slidably positioned in the first small slot 112, the bottom of the first ratchet block 32 is connected with the right side of the top of the first lifting plate 33, a first small guide hole 331 which penetrates through the first lifting plate 33 from top to bottom is formed at the left part of the first guide rod 34, the first guide rod 34 is positioned in the first small guide hole 331, the first guide rod 34 is in sliding fit with the first small guide hole 331, the upper end of the first guide rod 34 is connected with the bottom of the first large support plate 11, the first spring 35 is sleeved on the first guide rod 34, the first spring 35 is located below the first lifting plate 33, the second ratchet plate 36 is embedded at the bottom of the rectangular guide rod 4, the second ratchet plate 36 is located on the right side of the large screw 9, the second ratchet block 37 is located below the second ratchet plate 36, the second ratchet block 37 is matched with the second ratchet plate 36, the second ratchet block 37 is slidably located in the second small slot 172, the bottom of the second ratchet block 37 is connected with the left side of the top of the second lifting plate 38, the right side of the second lifting plate 38 is provided with a second small guide hole 381 penetrating up and down, the second guide rod 39 is located in the second small guide hole 381, the second guide rod 39 is in sliding fit with the second small guide hole 381, the upper end of the second guide rod 39 is connected with the bottom of the second large supporting plate 17, the second spring 40 is sleeved on the second guide rod 39, and the second spring 40 is located below the second lifting plate 38.
Also comprises a first fixed block 51 and a first rotating shaft 52, the first baffle plate 16 comprises a first rotating disc 53, a first arc-shaped pressing plate 54 and a first torsion spring 55, wherein the upper part of the left side wall of the first baffle plate 16 is connected with a first fixing block 51, the left side wall of the first fixing block 51 is provided with a first rotating groove 511 extending rightwards, the first rotating shaft 52 is positioned in the first fixing block 51, the first rotating shaft 52 is rotatably connected with the first fixing block 51, the middle part of the first rotating disc 53 is fixedly sleeved on the first rotating shaft 52, the top part of the first rotating disc 53 is connected with the first arc-shaped pressing plate 54, the right lower end of the first arc-shaped pressing plate 54 is provided with a third U-shaped groove 541, the first torsion spring 55 is sleeved on the first rotating shaft 52, the first torsion spring 55 is positioned in front of the first rotating disc 53, the upper end of the first torsion spring 55 is connected with the left side of the first arc-shaped pressing plate 54, and the.
Also comprises a second fixed block 61 and a second rotating shaft 62, the upper portion of the right side wall of the second baffle 22 is connected with a second fixed block 61, the right side wall of the second fixed block 61 is provided with a second rotary groove 611 extending leftwards, the second rotary shaft 62 is positioned in the second rotary groove 611, the second rotary shaft 62 is rotatably connected with the second fixed block 61, the middle portion of the second rotary disk 63 is fixedly sleeved on the second rotary shaft 62, the top portion of the second rotary disk 63 is connected with a second arc-shaped pressing plate 64, the left lower end of the second arc-shaped pressing plate 64 is provided with a fourth U-shaped groove 641, the second torsion spring 65 is sleeved on the second rotary shaft 62, the second torsion spring 65 is positioned in front of the second rotary disk 63, the upper end of the second torsion spring 65 is connected with the right side of the second arc-shaped pressing plate 64, and the lower end of the second torsion spring 65 is connected with the bottom portion of the second fixed block 61.
In the invention, firstly, the shaft type workpiece is fixed on a numerical control milling machine through a big bolt 2, then the shaft type workpiece is placed in a first U-shaped groove 113 and a second U-shaped groove 173, the distance between a first big supporting plate 11 and a second big supporting plate 17 is adjusted according to the length of the shaft type workpiece, under the action of the pulling force of a big tension spring 10, two ends of the shaft type workpiece are tightly clamped through a first baffle plate 16 and a second baffle plate 22, so that the shaft type workpiece is prevented from axially shaking, the processing precision is improved, then, a first long screw 14 and a second long screw 20 are screwed, so that the shaft type workpiece is clamped through a left wedge-shaped clamping plate 12 and a right wedge-shaped clamping plate 18, when the shaft type workpiece needs to be obliquely processed, the rectangular guide rod 4 can be swung up and down, an arc-shaped guide plate 6 provides swinging assistance for the rectangular guide rod 4, after swinging, the big screw 9 is screwed, the rectangular guide rod 4 is supported through the big screw 9, the strength is saved, and then the rectangular guide rod 4 is held, so that the shaft type workpiece can be processed in an inclined mode.
When the first large supporting plate 11 and the second large supporting plate 17 are adjusted in a sliding manner according to the length of the shaft-type workpiece, the first ratchet block 32 and the second ratchet block 37 can respectively slide on the first ratchet plate 31 and the second ratchet plate 36, and after the first large supporting plate 11 and the second large supporting plate 17 are adjusted, the first ratchet block 32 and the second ratchet block 37 can be used for fixing, so that the shaft-type workpiece can be better clamped and more stable.
At this time, the first rotating disk 53 may be swung, and the first arc-shaped pressing plate 54 may be pulled upward, and then the left end of the shaft-type workpiece may be brought into contact with the first baffle 16, and then the first arc-shaped pressing plate 54 may be released, and the first arc-shaped pressing plate 54 may be moved downward and may press the shaft-type workpiece by the torsion force of the first torsion spring 55, and the shaft-type workpiece may be introduced into the third U-shaped groove 541.
At this time, the second rotating disk 63 may be swung, the second arc-shaped pressing plate 64 is pulled upward, the right end of the shaft-type workpiece is then contacted with the second baffle 22, and then the second arc-shaped pressing plate 64 is released, and under the torsion of the second torsion spring 65, the second arc-shaped pressing plate 64 moves downward and presses the shaft-type workpiece, and at this time, the shaft-type workpiece enters the fourth U-shaped groove 641.
The present application is described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (3)
1. The utility model provides an anchor clamps for shaft type work piece of numerically controlled fraise machine centre gripping, including base (1), big bolt (2), big support (3), rectangle guide bar (4) and big fixed plate (5), base (1) is opened has big through-hole (101) that run through from top to bottom, big bolt (2) slidingtype be located big through-hole (101) in, the top of base (1) is connected with big support (3), the upper end of big support (3) is connected with the bottom of rectangle guide bar (4) is articulated, the right side wall of big support (3) is connected with big fixed plate (5), characterized by: the device is characterized by further comprising an arc-shaped guide plate (6), a ball body (7), a small support (8), a large screw (9), a large tension spring (10), a first large supporting plate (11), a left wedge-shaped clamping plate (12), a first bearing (13), a first long screw (14), a first connecting plate (15), a first baffle (16), a second large supporting plate (17), a right wedge-shaped clamping plate (18), a second bearing (19), a second long screw (20), a second connecting plate (21) and a second baffle (22), wherein an arc-shaped groove (501) penetrating up and down is formed in the large fixing plate (5), the arc-shaped guide plate (6) is slidably positioned in the arc-shaped groove (501), the upper end of the arc-shaped guide plate (6) is connected with the ball body (7), a spherical sliding groove (401) is formed in the bottom of the rectangular guide rod (4), the ball body (7) is positioned in the spherical sliding groove (401), and the ball body (7) is, the lower end of a small support (8) is connected with the top of a base (1), the upper end of the small support (8) is connected with the bottom of a large fixing plate (5), the small support (8) is positioned on the right side of an arc-shaped groove (501), a large screw (9) is in threaded connection with the large fixing plate (5), the upper end of the large screw (9) is in contact with the bottom of a rectangular guide rod (4), the large screw (9) is positioned on the right side of the small support (8), a large tension spring (10) is positioned above the rectangular guide rod (4), the right side wall of a first large support plate (11) is connected with the left end of the large tension spring (10), a first rectangular guide hole (111) which penetrates through from left to right is formed in the lower part of the first large support plate (11), the rectangular guide rod (4) is positioned in the first rectangular guide hole (111), the rectangular guide rod (4) is in sliding fit with the first rectangular guide hole (111), and the first large support plate (11) is positioned on the left side of the, the bottom of the first large supporting plate (11) is provided with a first small slot (112) extending upwards, the first small slot (112) is positioned under the first rectangular guide hole (111), the first small slot (112) is communicated with the first rectangular guide hole (111), the top of the first large supporting plate (11) is provided with a first U-shaped groove (113) extending downwards, the upper part of the front side wall of the first large supporting plate (11) is provided with a first large groove (114) extending backwards, the first large groove (114) is communicated with the first U-shaped groove (113), the left wedge-shaped clamping plate (12) is slidably positioned in the first U-shaped groove (113) and the first large groove (114), the rear side wall of the left wedge-shaped clamping plate (12) is embedded with a first bearing (13), the first long screw (14) is in threaded connection with the first large supporting plate (11), the front end of the first long screw (14) is in interference connection with the first bearing (13), the left side wall of the first large supporting plate (11) is connected with a first connecting plate (15), the first connecting plate (15) is positioned between the first rectangular guide hole (111) and the first U-shaped groove (113), the left end of the top of the first connecting plate (15) is connected with a first baffle plate (16), the first baffle plate (16) corresponds to the first U-shaped groove (113), the left side wall of the second large supporting plate (17) is connected with the right end of the large tension spring (10), the lower part of the second large supporting plate (17) is provided with a second rectangular guide hole (171) which penetrates through the second large supporting plate left and right, the rectangular guide rod (4) is positioned in the second rectangular guide hole (171), the rectangular guide rod (4) is in sliding fit with the second rectangular guide hole (171), the second large supporting plate (17) is positioned on the right side of the large screw rod (9), the bottom of the second large supporting plate (17) is provided with a second small slot (172) which extends upwards, the second small slot (172) is positioned under the second rectangular guide hole (171), and the second small slot (172) is communicated with the second rectangular guide hole (171), the top of the second large supporting plate (17) is provided with a second U-shaped groove (173) extending downwards, the front side wall of the second large supporting plate (17) is provided with a second large groove (174) extending backwards, the second large groove (174) is communicated with the second U-shaped groove (173), the right wedge-shaped clamping plate (18) is slidably positioned in the second U-shaped groove (173) and the second large groove (174), the rear side wall of the right wedge-shaped clamping plate (18) is embedded with a second bearing (19), the second long screw rod (20) is in threaded connection with the second large supporting plate (17), the front end of the second long screw rod (20) is in interference connection with the second bearing (19), the right side wall of the second large supporting plate (17) is connected with a second connecting plate (21), the second connecting plate (21) is positioned between a second rectangular guide hole (171) and the second U-shaped groove (173), and the right end of the top of the second connecting plate (21) is connected with a second baffle (22), the second baffle (22) corresponds to the second U-shaped groove (173); the lifting support is characterized by further comprising a first ratchet plate (31), a first ratchet block (32), a first lifting plate (33), a first guide rod (34), a first spring (35), a second ratchet plate (36), a second ratchet block (37), a second lifting plate (38), a second guide rod (39) and a second spring (40), wherein the first ratchet plate (31) is embedded at the bottom of the rectangular guide rod (4), the first ratchet plate (31) is located on the left side of the large support (3), the first ratchet block (32) is located below the first ratchet plate (31), the first ratchet block (32) is matched with the first ratchet plate (31), the first ratchet block (32) is located in the first small slot (112) in a sliding mode, the bottom of the first ratchet block (32) is connected with the right side of the top of the first lifting plate (33), a first small guide hole (331) penetrating through the left portion of the first lifting plate (33) up and down is formed in the left portion of the first small guide rod (34), the first guide rod (34) is in sliding fit with the first small guide hole (331), the upper end of the first guide rod (34) is connected with the bottom of the first large supporting plate (11), the first spring (35) is sleeved on the first guide rod (34), the first spring (35) is positioned below the first lifting plate (33), the second ratchet plate (36) is embedded at the bottom of the rectangular guide rod (4), the second ratchet plate (36) is positioned at the right side of the large screw rod (9), the second ratchet block (37) is positioned below the second ratchet plate (36), the second ratchet block (37) is matched with the second ratchet plate (36), the second ratchet block (37) is in the second small slot (172) in a sliding manner, the bottom of the second ratchet block (37) is connected with the left side of the top of the second lifting plate (38), the right side of the second lifting plate (38) is provided with a second small guide hole (381) which penetrates through up and down, and the second guide rod (39) is positioned in the second small guide hole (381), the second guide rod (39) is in sliding fit with the second small guide hole (381), the upper end of the second guide rod (39) is connected with the bottom of the second large supporting plate (17), the second spring (40) is sleeved on the second guide rod (39), and the second spring (40) is located below the second lifting plate (38).
2. The clamp for the numerically controlled milling machine to clamp the shaft-type workpiece according to claim 1, wherein: the novel baffle plate structure is characterized by further comprising a first fixed block (51), a first rotating shaft (52), a first rotating disc (53), a first arc-shaped pressing plate (54) and a first torsion spring (55), wherein the first fixed block (51) is connected to the upper portion of the left side wall of the first baffle plate (16), a first rotating groove (511) extending rightwards is formed in the left side wall of the first fixed block (51), the first rotating shaft (52) is located in the first fixed block (51), the first rotating shaft (52) is rotatably connected with the first fixed block (51), the middle portion of the first rotating disc (53) is fixedly sleeved on the first rotating shaft (52), the first arc-shaped pressing plate (54) is connected to the top of the first rotating disc (53), a third U-shaped groove (541) is formed in the right lower end of the first arc-shaped pressing plate (54), the first torsion spring (55) is sleeved on the first rotating shaft (52), and the first torsion spring (55) is located in front of the first rotating, the upper end of the first torsion spring (55) is connected with the left side of the first arc-shaped pressing plate (54), and the lower end of the first torsion spring (55) is connected with the bottom of the first fixing block (51).
3. The clamp for the numerically controlled milling machine to clamp the shaft-type workpiece according to claim 2, wherein: the novel baffle plate structure is characterized by further comprising a second fixed block (61), a second rotating shaft (62), a second rotating disc (63), a second arc-shaped pressing plate (64) and a second torsion spring (65), wherein the second fixed block (61) is connected to the upper portion of the right side wall of the second baffle plate (22), a second rotating groove (611) extending leftwards is formed in the right side wall of the second fixed block (61), the second rotating shaft (62) is located in the second rotating groove (611), the second rotating shaft (62) is rotatably connected with the second fixed block (61), the middle portion of the second rotating disc (63) is fixedly sleeved on the second rotating shaft (62), the top of the second rotating disc (63) is connected with the second arc-shaped pressing plate (64), a fourth U-shaped groove (641) is formed in the left lower end of the second arc-shaped pressing plate (64), the second torsion spring (65) is sleeved on the second rotating shaft (62), and the second torsion spring (65) is located in front of the second rotating disc (, the upper end of the second torsion spring (65) is connected with the right side of the second arc-shaped pressing plate (64), and the lower end of the second torsion spring (65) is connected with the bottom of the second fixing block (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669570.2A CN110270860B (en) | 2019-07-24 | 2019-07-24 | Clamp for clamping shaft type workpiece by numerical control milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669570.2A CN110270860B (en) | 2019-07-24 | 2019-07-24 | Clamp for clamping shaft type workpiece by numerical control milling machine |
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| Publication Number | Publication Date |
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| CN110270860A CN110270860A (en) | 2019-09-24 |
| CN110270860B true CN110270860B (en) | 2021-04-13 |
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| CN201910669570.2A Active CN110270860B (en) | 2019-07-24 | 2019-07-24 | Clamp for clamping shaft type workpiece by numerical control milling machine |
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| CN111037335B (en) * | 2019-12-31 | 2021-05-28 | 中南大学 | Operation platform device for realizing multiple posture adjustment |
| CN111493965B (en) * | 2020-04-27 | 2021-07-27 | 青岛市妇女儿童医院 | Neonate auxiliary device that takes a birth |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20022167U1 (en) * | 2000-12-22 | 2001-04-12 | Roehm Gmbh | Clamping device on turning spindles of lathes for power-operated workpiece holders |
| JP4621587B2 (en) * | 2005-12-21 | 2011-01-26 | ブリヂストンフローテック株式会社 | Clamping device |
| CN202592076U (en) * | 2012-01-13 | 2012-12-12 | 滨州海得曲轴有限责任公司 | Fixture for lathing connecting rod journal of four-throw crankshaft |
| CN104858684B (en) * | 2015-05-22 | 2017-05-03 | 安徽合力股份有限公司 | Fixture for shaft part axial hole automatic positioning |
| CN105127788B (en) * | 2015-08-12 | 2018-01-19 | 张家港市精辉达机械有限公司 | A kind of milling machine |
| CN106271780B (en) * | 2016-10-19 | 2018-03-30 | 中核（天津）机械有限公司 | Slender piece is loaded positioner |
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