CN204724882U - A kind of three-jaw clamping device - Google Patents
A kind of three-jaw clamping device Download PDFInfo
- Publication number
- CN204724882U CN204724882U CN201520363729.5U CN201520363729U CN204724882U CN 204724882 U CN204724882 U CN 204724882U CN 201520363729 U CN201520363729 U CN 201520363729U CN 204724882 U CN204724882 U CN 204724882U
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- China
- Prior art keywords
- claw
- clamping device
- rotating disk
- jaw clamping
- bevel pinion
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- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a kind of three-jaw clamping device, comprise disk body and claw that center is provided with through hole, disc surfaces circle distribution is equidistantly provided with three pawl grooves, claw slides along pawl groove, disk body inside is provided with circular cylindrical cavity, the sidewall of disk body is provided with circular hole, rotating disk is provided with in cavity, the lower surface of rotating disk is bevel gear wheel, the centre position of the lower surface of rotating disk is provided with the sleeve pipe of parcel through hole, circular hole place is provided with bevel pinion, bevel gear wheel and bevel pinion are for engaging each other structure, the upper surface of described rotating disk is provided with the thread groove of ring-type, pawl groove communicates with cavity, the three-jaw clamping device structure that the bottom of claw is provided with this utility model of screw thread matched with thread groove is simply exquisite, use easy to operate, be applicable to step up various workpiece.
Description
Technical field
The utility model relates to frock clamp field, particularly a kind of three-jaw clamping device.
Background technology
At present, the casting and molding line that production efficiency is high, automated procedures are high, workman's work degree is low is more and more used widely.Clamping and positioning device used on casting and molding line mostly is the monodactyle clamping and positioning device of single hydraulic oil cylinder driving, mainly through a fixing oil cylinder, utilize lever principle to drive clamp jaw to realize clamping and positioning, but this type of locating clip clamping and positioning device needs to use in pairs, the use of single assembly cannot realize the requirement of clamping and positioning, and installing space is large, Position location accuracy is poor, and energy consumption is high.Therefore, develop a kind of clamping and positioning accurately, compact conformation, energy-saving and cost-reducing clamping and positioning device be very necessary.
Utility model content
It is simply exquisite that technical problem to be solved in the utility model is to provide a kind of structure, uses easy to operate, is applicable to the three-jaw clamping device stepping up various workpiece, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, the utility model provides following technical scheme: a kind of three-jaw clamping device, comprise disk body and claw that center is provided with through hole, disc surfaces circle distribution is equidistantly provided with three pawl grooves, claw slides along pawl groove, disk body inside is provided with circular cylindrical cavity, the sidewall of disk body is provided with circular hole, rotating disk is provided with in cavity, the lower surface of rotating disk is bevel gear wheel, the centre position of the lower surface of rotating disk is provided with the sleeve pipe of parcel through hole, circular hole place is provided with bevel pinion, bevel gear wheel and bevel pinion are for engaging each other structure, the upper surface of described rotating disk is provided with the thread groove of ring-type, pawl groove communicates with cavity, the bottom of claw is provided with the screw thread matched with thread groove.
Preferably, described circular hole place is provided with annular recess, and the sidewall of described bevel pinion is provided with flange collar, and flange collar is arranged in annular recess.
Preferably, the bottom of described claw is " work " font slide block, and be provided with corresponding positioning convex strip in described pawl groove, positioning convex strip is provided with ball.
Preferably, the end of described bevel pinion is provided with wrench insertion hole.
Preferably, the clamping face of described claw is provided with rubber sheet gasket.
The beneficial effect of above technical scheme is adopted to be: claw is provided with rubber sheet gasket, such design exerts a force larger when three-jaw clamping device adds clamping of workpieces, can play the function that buffer protection workpiece is injury-free; Bottom claw, " work " font slide block slides along the positioning convex strip of pawl groove, tightness between both guarantees relatively, claw is avoided to loosen, positioning convex strip is provided with the movement that ball facilitates claw, the flange collar of annular recess to the sidewall of bevel pinion at circular hole place plays the effect of location, and be convenient to again bevel pinion and rotate, the end of bevel pinion is provided with wrench insertion hole, rotate bevel pinion by Wrench, be convenient to force.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view at pawl groove place;
Fig. 3 is the sectional view at circular hole place.
Wherein, 1--disk body, 2--through hole, 3--claw, 4--pawl groove, 5--cavity, 6--circular hole, 7--rotating disk, 8--bevel gear wheel, 9--bevel pinion, 10--thread groove, 11--screw thread, 12--annular recess, 13--flange collar, 14--slide block, 15--positioning convex strip, 16--ball, 17--wrench insertion hole, 18--rubber sheet gasket.
Detailed description of the invention
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 and Fig. 3 shows the detailed description of the invention of a kind of three-jaw of the utility model clamping device: a kind of three-jaw clamping device, comprise disk body 1 and claw 3 that center is provided with through hole 2, the distribution of disk body 1 surface perimeter is equidistantly provided with three pawl grooves 4, claw 3 slides along pawl groove 4, disk body 1 inside is provided with circular cylindrical cavity 5, the sidewall of disk body 1 is provided with circular hole 6, rotating disk 7 is provided with in cavity 5, the lower surface of rotating disk 7 is bevel gear wheel 8, the centre position of the lower surface of rotating disk 7 is provided with the sleeve pipe of parcel through hole 2, circular hole 6 place is provided with bevel pinion 9, bevel gear wheel 8 and bevel pinion 9 are for engaging each other structure, the upper surface of described rotating disk 7 is provided with screw thread 11 groove 10 of ring-type, pawl groove 4 communicates with cavity 5, the bottom of claw 3 is provided with the screw thread 11 matched with screw thread 11 groove 10, the clamping face of claw 3 is provided with rubber sheet gasket 18.
As shown in Figure 3, circular hole 6 place is provided with annular recess 12, and the sidewall of described bevel pinion 9 is provided with flange collar 13, and flange collar 13 is arranged in annular recess 12, and the end of bevel pinion 9 is provided with wrench insertion hole 17.
As shown in Figure 2, the bottom of claw 3 is " work " font slide block 14, and be provided with corresponding positioning convex strip 15 in described pawl groove 4, positioning convex strip 15 is provided with ball 16.
Claw 3 is provided with rubber sheet gasket 18, such design exerts a force larger when three-jaw clamping device adds clamping of workpieces, can play the function that buffer protection workpiece is injury-free; Bottom claw 3, " work " font slide block 14 slides along the positioning convex strip 15 of pawl groove 4, tightness between both guarantees relatively, claw 3 is avoided to loosen, positioning convex strip 15 is provided with the movement that ball 16 facilitates claw 3, the flange collar 13 of the sidewall of annular recess 12 pairs of bevel pinions 9 at circular hole 6 place plays the effect of location, is convenient to again bevel pinion 9 and rotates, and the end of bevel pinion 9 is provided with wrench insertion hole 17, rotate bevel pinion 9 by Wrench, be convenient to force.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. a three-jaw clamping device, it is characterized in that: comprise disk body and claw that center is provided with through hole, disc surfaces circle distribution is equidistantly provided with three pawl grooves, claw slides along pawl groove, disk body inside is provided with circular cylindrical cavity, the sidewall of disk body is provided with circular hole, rotating disk is provided with in cavity, the lower surface of rotating disk is bevel gear wheel, the centre position of the lower surface of rotating disk is provided with the sleeve pipe of parcel through hole, circular hole place is provided with bevel pinion, bevel gear wheel and bevel pinion are for engaging each other structure, the upper surface of described rotating disk is provided with the thread groove of ring-type, pawl groove communicates with cavity, the bottom of claw is provided with the screw thread matched with thread groove.
2. three-jaw clamping device according to claim 1, is characterized in that: described circular hole place is provided with annular recess, and the sidewall of described bevel pinion is provided with flange collar, and flange collar is arranged in annular recess.
3. three-jaw clamping device according to claim 1, is characterized in that: the bottom of described claw is " work " font slide block, and be provided with corresponding positioning convex strip in described pawl groove, positioning convex strip is provided with ball.
4. three-jaw clamping device according to claim 1, is characterized in that: the end of described bevel pinion is provided with wrench insertion hole.
5. three-jaw clamping device according to claim 1, is characterized in that: the clamping face of described claw is provided with rubber sheet gasket.
Priority Applications (1)
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CN201520363729.5U CN204724882U (en) | 2015-06-01 | 2015-06-01 | A kind of three-jaw clamping device |
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CN201520363729.5U CN204724882U (en) | 2015-06-01 | 2015-06-01 | A kind of three-jaw clamping device |
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CN201520363729.5U Expired - Fee Related CN204724882U (en) | 2015-06-01 | 2015-06-01 | A kind of three-jaw clamping device |
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