CN217570917U

CN217570917U - Elastic clamping jaw for preventing clamping deformation

Info

Publication number: CN217570917U
Application number: CN202221476889.7U
Authority: CN
Inventors: 杨卫卫; 陈丽
Original assignee: Suzhou Weichengxuan Precision Machinery Co ltd
Current assignee: Suzhou Weichengxuan Precision Machinery Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-10-14
Anticipated expiration: 2032-06-14

Abstract

The utility model provides a prevent elasticity jack catch of centre gripping deformation relates to anchor clamps technical field, which comprises a chuck, the top surface of chuck is provided with the activity groove, the quantity in activity groove is provided with threely, and is three the inside in activity groove all is provided with the jack catch body, one side of jack catch body is provided with the shrink groove, the inside swing joint in shrink groove has the supporting shoe, one side of supporting shoe is connected with the rubber pad. The utility model discloses, when pressing from both sides three jack catch body and machined part outward appearance, continue to exert pressure behind the surface contact machined part of rubber pad and press from both sides tightly and can press the supporting shoe to make the supporting shoe compress the spring at the shrink inslot activity, utilize the elastic deformation of spring to make the supporting shoe remove the in-process constantly press from both sides tightly with workpiece surface, and the rubber pad takes place deformation along with the removal of supporting shoe, thereby with the better laminating of workpiece surface, and then improved the jack catch body to the work piece centre gripping steadiness.

Description

Elastic clamping jaw for preventing clamping deformation

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a prevent elasticity jack catch of centre gripping deformation.

Background

In a mechanical structure, a chuck is used for clamping and clamping parts of a workpiece or machine tool accessories for clamping and positioning the workpiece, and a clamping jaw is commonly used in mechanical processing and has a manual mode and an automatic mode; in some machining operations, such as lathe jaws, on a chuck, a workpiece is placed thereon, the jaws are changed in size by means of a cross gear, which is responsible for holding the workpiece and then for rotation by a motor, and a machining tool is responsible for cutting.

However, in the prior art, when the existing jaw is used, in order to keep a workpiece fixed and not easy to fall off in the machining process, the jaw is usually pressed and contacted with the surface of the workpiece, but two points or more points on the jaw surface are contacted, the stress points are few, the stress of each stress point is uneven, and continuous tightening easily causes elastic deformation of the surface of the workpiece to be machined during clamping, so that the integrity of the workpiece is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, when pressing from both sides three jack catch body and machined part outward appearance, continue to exert pressure behind the surface contact machined part of rubber pad and press from both sides tight meeting and press the supporting shoe, thereby make the supporting shoe compress the spring in the activity of shrink inslot, utilize the elastic deformation of spring to make the supporting shoe remove the in-process constantly press from both sides tightly with workpiece surface, and the rubber pad takes place deformation along with the removal of supporting shoe, thereby with the better laminating of workpiece surface, and then improved the jack catch body to work piece centre gripping steadiness, make the utility model discloses the centre gripping work piece has certain elasticity, prevents the centre gripping as far as possible and warp, has guaranteed the integrality of work piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent elasticity jack catch of centre gripping deformation, includes the chuck, the top surface of chuck is provided with the activity groove, the quantity in activity groove is provided with threely, and is three the inside in activity groove all is provided with the jack catch body, one side of jack catch body is provided with the shrink groove, the inside swing joint in shrink groove has the supporting shoe, one side of supporting shoe is connected with the rubber pad, the both sides of rubber pad and the outer wall connection of jack catch body, the inside in shrink groove is provided with the spring, the one end of spring and the outer wall connection of supporting shoe, the other end of supporting shoe is connected with the kicking block.

As a preferred embodiment, an adjusting groove is formed in one side of the inner wall of the contraction groove, a screw rod penetrates through one side of the inner wall of the adjusting groove, one end of the screw rod is movably connected with the outer wall of one side of the top block, a hexagonal groove hole is formed in the other end of the screw rod, and the screw rod is in threaded connection with the jaw body.

The technical effect of adopting the further scheme is as follows: the user can twist through hexagonal slot hole to the screw rod and adjust the kicking block and remove to make the pressure grow of spring, the convenient to use person adjusts the elasticity centre gripping dynamics of the different positions of supporting shoe, has made things convenient for the better use of user.

In a preferred embodiment, a shaft hole is formed through the center of the top surface of the chuck.

The technical effect of adopting the further scheme is as follows: convenient to the utility model discloses a shaft hole is connected with the lathe motor shaft.

In a preferred embodiment, the outer wall of the rubber pad is provided with an anti-slip groove, and the bottom surface of the rubber pad is connected with a cleaning strip.

The technical effect of adopting the further scheme is as follows: through the setting of clean strip for certain clearance is carried out to the piece in the activity inslot when the rubber pad removes, the better activity in the activity inslot of the jack catch body of being convenient for.

In a preferred embodiment, a top cover is connected to the top surface of the jaw body.

The technical effect of adopting the further scheme is as follows: utilize the top cap to protect the top of shrink groove, avoid external piece to enter into in the shrink groove.

As a preferred embodiment, both sides of the inner wall of the shrinkage groove are provided with limit grooves, the inner wall of each limit groove is movably connected with a slide block, and the slide block is fixedly connected with the outer wall of each support block.

The technical effect of adopting the further scheme is as follows: through the activity of slider in the spacing inslot for the supporting shoe is in the shrink inslot steady slip, and difficult emergence is rocked.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses, when pressing from both sides three jack catch body and machined part outward appearance tightly, continue to exert pressure behind the surface contact machined part of rubber pad and press from both sides tightly and can press the supporting shoe to make the supporting shoe compress the spring at the shrink inslot activity, utilize the elastic deformation of spring to make the supporting shoe remove the in-process constantly press from both sides tightly with workpiece surface, and the rubber pad takes place deformation along with the removal of supporting shoe, thereby with the better laminating of workpiece surface, and then improved the jack catch body to work piece centre gripping steadiness, make the utility model discloses the centre gripping work piece has certain elasticity, prevents the centre gripping as far as possible and warp, has guaranteed the integrality of work piece.

Drawings

Fig. 1 is a schematic perspective view of an elastic claw for preventing clamping deformation according to the present invention;

fig. 2 is an enlarged view of the structure a in fig. 1 of the elastic claw for preventing clamping deformation according to the present invention;

fig. 3 is a sectional view of the internal structure of the jaw body of the elastic jaw for preventing clamping deformation provided by the present invention;

fig. 4 is an enlarged view of the structure at B in fig. 3 of the elastic claw for preventing clamping deformation according to the present invention.

Illustration of the drawings:

1. a chuck; 11. a movable groove; 12. a shaft hole; 2. a jaw body; 21. a top cover; 22. a support block; 23. a rubber pad; 231. an anti-slip groove; 232. a cleaning strip; 24. a contraction groove; 241. a spring; 25. an adjustment groove; 251. a screw; 252. a top block; 253. a hexagonal slot; 26. a limiting groove; 261. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-4, the utility model provides a technical solution: an elastic claw for preventing clamping deformation comprises a chuck 1, wherein the top surface of the chuck 1 is provided with three movable grooves 11, the center of the top surface of the chuck 1 is provided with a shaft hole 12 in a penetrating manner, the number of the movable grooves 11 is three, the inside of each of the three movable grooves 11 is provided with a claw body 2, one side of each claw body 2 is provided with a contraction groove 24, the inside of each contraction groove 24 is movably connected with a supporting block 22, one side of each supporting block 22 is connected with a rubber pad 23, two sides of each rubber pad 23 are connected with the outer wall of each claw body 2, the inside of each contraction groove 24 is provided with a spring 241, one end of each spring 241 is connected with the outer wall of each supporting block 22, the other end of each supporting block 22 is connected with a top block 252, when a user clamps the three claw bodies 2 with the outer surfaces of a workpiece, the surface of each rubber pad 23 is continuously pressed and clamped after contacting the workpiece, so as to press the supporting blocks 22, thereby make supporting shoe 22 compress spring 241 in the activity of shrink groove 24, utilize spring 241's elastic deformation to make supporting shoe 22 remove the in-process constantly press from both sides tightly with workpiece surface, and rubber pad 23 takes place deformation along with supporting shoe 22's removal, thereby with the better laminating of workpiece surface, and then improved jack catch body 2 to work piece centre gripping steadiness, make the utility model discloses the centre gripping work piece has certain elasticity, prevents the centre gripping as far as possible and warp, has guaranteed the integrality of work piece, and the outer wall of rubber pad 23 is provided with anti-skidding groove 231, through the setting of anti-skidding groove 231, makes rubber pad 23 and workpiece surface contact back difficult slip, and the bottom surface of rubber pad 23 is connected with cleaning strip 232, through cleaning strip 232's setting for carry out certain clearance to the piece in the activity groove 11 when rubber pad 23 removes, the jack catch body 2 of being convenient for better is at activity groove 11 internalization.

Example 2

As shown in fig. 1-4, an adjusting groove 25 is disposed on one side of an inner wall of the shrinkage groove 24, a screw 251 is disposed on one side of the inner wall of the adjusting groove 25 in a penetrating manner, one end of the screw 251 is movably connected with one outer wall of the top block 252, the other end of the screw 251 is provided with a hexagonal groove hole 253, the screw 251 is in threaded connection with the jaw body 2, a user can twist the screw 251 to adjust the top block 252 to move through the hexagonal groove hole 253, so that the pressure of the spring 241 is increased, the user can adjust the elastic clamping force of different positions of the supporting block 22, the user can use the jaw body 2 better, the top surface of the jaw body 2 is connected with the top cover 21, the top of the shrinkage groove 24 is protected by the top cover 21, external debris is prevented from entering the shrinkage groove 24, the two sides of the inner wall of the shrinkage groove 24 are both provided with the limiting grooves 26, the inner wall of the limiting grooves 26 is movably connected with the sliders 261, the sliders 261 are fixedly connected with the outer wall of the supporting block 22, the sliders 261 move in the limiting grooves 26, so that the supporting block 22 can stably slide in the shrinkage groove 24, and the supporting block 22 is not prone to shake.

The working principle is as follows:

as shown in fig. 1-4, during the use, the user is when pressing from both sides three jack catch body 2 and machined part outward appearance, and the surface contact of rubber pad 23 behind the machined part continues to exert pressure and presss from both sides tightly and can press supporting shoe 22, thereby make supporting shoe 22 compress spring 241 at shrink groove 24 internalization, utilize spring 241's elastic deformation to make supporting shoe 22 remove the in-process constantly press from both sides tightly with the work piece surface, and rubber pad 23 along with supporting shoe 22's removal takes place deformation, thereby with the better laminating of work piece surface, and then improved jack catch body 2 to work piece centre gripping steadiness, make the utility model discloses the centre gripping work piece has certain elasticity, prevents clamping deformation as far as possible, has guaranteed the integrality of work piece, the utility model discloses when using, the user can twist to screw rod 251 through hexagonal slotted hole 253 and adjust the kicking block 252 removal, thereby makes the pressure grow of spring 241, and convenient to use adjusts the elasticity centre gripping dynamics of supporting shoe 22 different positions, has made things convenient for user's better use.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent elasticity jack catch of centre gripping deformation, includes chuck (1), its characterized in that: the top surface of chuck (1) is provided with movable groove (11), the quantity of movable groove (11) is provided with threely, and is three the inside of movable groove (11) all is provided with jack catch body (2), one side of jack catch body (2) is provided with shrink groove (24), the inside swing joint of shrink groove (24) has supporting shoe (22), one side of supporting shoe (22) is connected with rubber pad (23), the both sides of rubber pad (23) and the outer wall connection of jack catch body (2), the inside of shrink groove (24) is provided with spring (241), the one end of spring (241) and the outer wall connection of supporting shoe (22), the other end of supporting shoe (22) is connected with kicking block (252).

2. A resilient jaw for preventing clamping deformation according to claim 1, wherein: an adjusting groove (25) is formed in one side of the inner wall of the contraction groove (24), a screw rod (251) penetrates through one side of the inner wall of the adjusting groove (25), one end of the screw rod (251) is movably connected with the outer wall of one side of the ejector block (252), a hexagonal groove hole (253) is formed in the other end of the screw rod (251), and the screw rod (251) is in threaded connection with the clamping jaw body (2).

3. A resilient jaw for preventing clamping deformation according to claim 1, wherein: the center of the top surface of the chuck (1) is provided with a shaft hole (12) in a penetrating way.

4. The elastic claw for preventing clamping deformation as claimed in claim 1, wherein: the outer wall of rubber pad (23) is provided with antiskid groove (231), the bottom surface of rubber pad (23) is connected with cleaning strip (232).

5. A resilient jaw for preventing clamping deformation according to claim 1, wherein: the top surface of the claw body (2) is connected with a top cover (21).

6. The elastic claw for preventing clamping deformation as claimed in claim 1, wherein: both sides of the inner wall of the contraction groove (24) are provided with limit grooves (26), the inner wall of each limit groove (26) is movably connected with a sliding block (261), and the sliding blocks (261) are fixedly connected with the outer wall of the supporting block (22).