CN210147025U - Improved three-jaw clamp - Google Patents
Improved three-jaw clamp Download PDFInfo
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- CN210147025U CN210147025U CN201921054982.7U CN201921054982U CN210147025U CN 210147025 U CN210147025 U CN 210147025U CN 201921054982 U CN201921054982 U CN 201921054982U CN 210147025 U CN210147025 U CN 210147025U
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- chuck body
- fixed
- rotating shaft
- jaw
- clamping
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Abstract
The utility model discloses an improved three-jaw clamp, which comprises a connecting disc and a chuck body, wherein the chuck body is arranged at the top end of the connecting disc; the connecting disc comprises a base plate, a rotating shaft, mounting grooves and bulges, the rotating shaft is mounted in the middle of the base plate, the mounting grooves are formed in the positions, located on the rotating shaft, of the outer side of the base plate, and the bulges are fixed on the two sides of the rotating shaft; the chuck body comprises a chuck body, clamping grooves, internal splines, external splines and elastic bodies, the clamping grooves are formed in the middle of the chuck body, the internal splines are fixed on the outer sides of the clamping grooves of the chuck body, the external splines are fixed on the outer sides of the internal splines, and the elastic bodies are filled between the internal splines and the external splines; the utility model discloses think about ingenious, reasonable in design when installing three-jaw anchor clamps, install the chuck body in the connection pad can, chuck body bottom is provided with flexible structure for the chuck body is long-term under high-speed rotatory operating condition, and the wearing and tearing between chuck body and the connection pad are also less, prolongs the life of chuck body.
Description
Technical Field
The utility model relates to an anchor clamps field specifically is an improve three-jaw anchor clamps.
Background
A clamp: the device is used for fixing the processing object to make the processing object occupy the correct position in the mechanical manufacturing process so as to receive construction or detection.
The device is used for fixing the processing object to make the processing object occupy the correct position in the mechanical manufacturing process so as to receive construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.
The existing three-jaw clamp has the problems that under the working state of high-speed rotation, the chuck body is deviated to some extent due to long-term work and uneven structure of clamped parts, and the abrasion between the connecting disc and the chuck body is serious.
SUMMERY OF THE UTILITY MODEL
To above not enough, the utility model aims at providing an improve three-jaw anchor clamps, this three-jaw anchor clamps flexible construction, the wearability is good, long service life.
The utility model aims at providing an improved three-jaw clamp realized by the technical proposal, which comprises a connecting disc and a chuck body, wherein the chuck body is arranged at the top end of the connecting disc;
the connecting disc comprises a base plate, a rotating shaft, mounting grooves and bulges, the rotating shaft is mounted in the middle of the base plate, the mounting grooves are formed in the positions, located on the rotating shaft, of the outer side of the base plate, and the bulges are fixed on the two sides of the rotating shaft;
the chuck body has seted up the draw-in groove including chuck body, draw-in groove, internal spline, external splines and elastomer in the middle part of the chuck body, and the chuck body is located the draw-in groove outside and is fixed with internal spline, and the internal spline outside is fixed with external splines, and it has the elastomer to fill between internal spline and the external splines.
As the utility model discloses a further technical scheme, the spout has evenly been seted up at chuck body outside middle part, and spout internally mounted has balancing unit, and the fixed slot has evenly been seted up on chuck body top, and fixed slot internally mounted has the jack catch.
As a further technical scheme of the utility model, balancing unit includes balancing piece, mounting hole, fixed column, fixed cover and fixed head, and the mounting hole has been seted up at the balancing piece middle part, and the mounting hole mid-mounting has the fixed column, and fixed cover is installed on the fixed column top, and fixed head bottom mounting has the fixed head.
As a further technical scheme of the utility model, through fixed threaded connection between fixed cover and the fixed column, fixed cover both sides all are fixed with the ear and hold between the fingers.
As a further technical scheme of the utility model, the jack catch bottom mounting has the fixture block, and jack catch one side is provided with anti-skidding line.
As a further technical scheme of the utility model, the internal thread has been seted up to the mounting hole inside.
Due to the adoption of the technical scheme, the utility model discloses following advantage has: when the three-jaw anchor clamps are installed, the chuck body is installed in the connecting disc, because chuck body bottom is provided with flexible structure, make the chuck body under high-speed rotatory operating condition for a long time, the wearing and tearing between chuck body and the connecting disc are also less, the life of extension chuck body, the mounting groove is used for placing the chuck body, make the chuck body inlay in the chassis, take up the chuck body, aim at the pivot with the draw-in groove, make the arch of pivot both sides block just in the draw-in groove can fix the chuck body, the pivot is used for driving the chuck body and rotates, during the high-speed rotatory work of chuck body, when the centrifugal force that the chuck body receives is skew to some extent, including the internal spline, under the effect of external spline and elastomer, partial skew centrifugal force can be cushioned, reduce the wearing and tearing of chuck body, the life of extension.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the present invention are described below.
Fig. 1 is a schematic overall structure diagram of an improved three-jaw clamp.
Fig. 2 is a schematic diagram of a connecting disc structure of the improved three-jaw clamp.
Fig. 3 is a schematic structural diagram of a chuck body of the improved three-jaw clamp.
Fig. 4 is a structural schematic diagram of a balancing device of the improved three-jaw clamp.
Reference numbers in the figures: 1. a connecting disc; 2. a chuck body; 3. a chute; 4. a balancing device; 5. fixing grooves; 6. a claw; 11. a chassis; 12. a rotating shaft; 13. mounting grooves; 14. a protrusion; 21. a chuck body; 22. a card slot; 23. an internal spline; 24. an external spline; 25. an elastomer; 41. a counterbalance; 42. mounting holes; 43. fixing a column; 44. fixing a sleeve; 45. and fixing the head.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 4, the utility model discloses an improved three-jaw clamp, which comprises a connecting disc 1 and a chuck body 2, wherein the chuck body 2 is installed on the top end of the connecting disc 1, when the three-jaw clamp is installed, the chuck body 2 can be installed in the connecting disc 1, and because the bottom of the chuck body 2 is provided with a flexible structure, the chuck body 2 is in a high-speed rotation working state for a long time, the abrasion between the chuck body 2 and the connecting disc 1 is small, and the service life of the chuck body 2 is prolonged;
the connecting disc 1 comprises a chassis 11, a rotating shaft 12, a mounting groove 13 and a bulge 14, wherein the rotating shaft 12 is mounted in the middle of the chassis 11, the mounting groove 13 is formed in the position, located at the rotating shaft 12, outside the chassis 11, the mounting groove 13 is formed, the bulge 14 is fixed on each of two sides of the rotating shaft 12, and the mounting groove 13 is used for placing a chuck body 21 so that the chuck body 21 is embedded in the chassis 11;
Fixed cover 44 and fixed column 43 are connected through fixed threaded connection, and fixed cover 44 and fixed column 43 threaded connection for block balancing piece 41 in the chuck body 2 outside, the stability of threaded connection is good and difficult to drop, and fixed cover 44 both sides all are fixed with the ear and hold between the fingers, and the ear is held between the fingers and is increased the surface area of fixed cover 44 both sides, the fixed cover 44 of being convenient for rotate.
The clamping block is fixed at the bottom end of the clamping jaw 6, anti-skidding lines are arranged on one side of the clamping jaw 6, the clamping block is used for clamping the clamping jaw 6 in the fixing groove 5, and the anti-skidding lines increase the friction force between the clamping jaw 6 and the part to be clamped, so that the part to be clamped is not prone to falling off.
The mounting hole 42 is internally provided with an internal thread, and the internal thread inside the mounting hole 42 enables the balance weight 41 and the fixing column 43 to be connected more tightly.
The use method and the working principle thereof are as follows: when the three-jaw clamp is installed, the chuck body 2 is installed in the connecting disc 1, due to the flexible structure arranged at the bottom of the chuck body 2, the abrasion between the chuck body 2 and the connecting disc 1 is small under the high-speed rotation working state for a long time of the chuck body 2, the service life of the chuck body 2 is prolonged, the installation groove 13 is used for placing the chuck body 21, the chuck body 21 is embedded in the chassis 11, the chuck body 21 is taken up, the clamping groove 22 is aligned to the rotating shaft 12, the bulges 14 at the two sides of the rotating shaft 12 are just clamped in the clamping groove 22 to fix the chuck body 21, the rotating shaft 12 is used for driving the chuck body 21 to rotate, when the chuck body 21 rotates at a high speed, when the centrifugal force borne by the chuck body 21 deviates, under the action of the internal spline 23, the external spline 24 and the elastic body 25, the partial deviating centrifugal force can be buffered, the service life of the chuck body 2 is prolonged;
when the component that chuck body 2 clamp was got is anomalous shape, the uneven institute of power that receives when preventing chuck body 2 from rotatory is skew, can adjust in the position of spout 3 through adjusting balancing unit 4, fixed slot 5 is used for fixing jack catch 6 on chuck body 2, when installation balancing unit 4, overlap balancing piece 41 on fixed column 43, fix cover 44 precession fixed column 43 again, fixed cover 44 is used for fixed balancing piece 41, insert fixed head 45 in spout 3, rotatory fixed column 43 makes fixed head 45 can block spout 3, then rotatory fixed cover 44, block balancing piece 41 in the chuck body 2 outside.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. An improve three-jaw anchor clamps which characterized in that: the clamping device comprises a connecting disc and a clamping disc body, wherein the clamping disc body is arranged at the top end of the connecting disc;
the connecting disc comprises a base plate, a rotating shaft, mounting grooves and bulges, the rotating shaft is mounted in the middle of the base plate, the mounting grooves are formed in the positions, located on the rotating shaft, of the outer side of the base plate, and the bulges are fixed on the two sides of the rotating shaft;
the chuck body has seted up the draw-in groove including chuck body, draw-in groove, internal spline, external splines and elastomer in the middle part of the chuck body, and the chuck body is located the draw-in groove outside and is fixed with internal spline, and the internal spline outside is fixed with external splines, and it has the elastomer to fill between internal spline and the external splines.
2. The improved three-jaw clamp of claim 1, wherein: the sliding groove is evenly formed in the middle of the outer side of the chuck body, the balancing device is arranged inside the sliding groove, the fixing groove is evenly formed in the top end of the chuck body, and the clamping jaws are arranged inside the fixing groove.
3. The improved three-jaw clamp of claim 2, wherein: the balance device comprises a balance block, a mounting hole, a fixing column, a fixing sleeve and a fixing head, the mounting hole is formed in the middle of the balance block, the fixing column is mounted in the middle of the mounting hole, the fixing sleeve is mounted at the top end of the fixing column, and the fixing head is fixed at the bottom end of the fixing head.
4. The improved three-jaw clamp of claim 3, wherein: the fixed sleeve is connected with the fixed column through fixed threads, and lugs are fixed on two sides of the fixed sleeve.
5. The improved three-jaw clamp of claim 2, wherein: the clamping jaw is characterized in that a clamping block is fixed at the bottom end of the clamping jaw, and anti-skidding lines are arranged on one side of the clamping jaw.
6. The improved three-jaw clamp of claim 3, wherein: and internal threads are formed in the mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054982.7U CN210147025U (en) | 2019-07-08 | 2019-07-08 | Improved three-jaw clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054982.7U CN210147025U (en) | 2019-07-08 | 2019-07-08 | Improved three-jaw clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210147025U true CN210147025U (en) | 2020-03-17 |
Family
ID=69765481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921054982.7U Active CN210147025U (en) | 2019-07-08 | 2019-07-08 | Improved three-jaw clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210147025U (en) |
-
2019
- 2019-07-08 CN CN201921054982.7U patent/CN210147025U/en active Active
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