CN216503570U - Sleeve processing clamping mechanism - Google Patents

Abstract

The application relates to the technical field of sleeve processing, discloses a sleeve processing clamping mechanism, and it includes: the clamping device comprises a base and clamping components, wherein the base is provided with a plurality of clamping spaces, and the clamping components are positioned on two sides of the base; the clamping part comprises a first clamping part and a second clamping part, the first clamping part is fixedly connected with the base in a detachable mode and is clamped with the sleeve, and the second clamping part is arranged on one side, opposite to the first clamping part, of the base and can be connected with the sleeve in an inserted mode. The sleeve processing clamping mechanism has the effects of limiting circumferential rotation of the sleeve, horizontally moving and vertically jumping, and the phenomenon that the shaft jumps when the sleeve is processed is reduced, so that the processing precision of the sleeve is improved.

Description

Sleeve processing clamping mechanism

Technical Field

The application relates to the technical field of sleeve processing, in particular to a clamping mechanism for sleeve processing.

Background

The sleeve is a common cylindrical fastening part, and has different processing requirements according to different application scenes, such as internally forming threads, end part forming a clamping interface and periphery forming holes; therefore, the sleeve to be processed needs to be clamped and fixed during processing, and the condition of shaft jumping in the processing process is prevented, so that the processing precision is further influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy defect of jumping the axle in the sleeve course of working, this application provides a sleeve processing clamping mechanism.

The application provides a pair of sleeve processing clamping mechanism adopts following technical scheme:

a sleeve processing clamping mechanism comprises a base and clamping components, wherein the base is provided with a plurality of clamping spaces, the clamping components are positioned on two sides of the base, and the clamping spaces are used for installing sleeves; the clamping part comprises a first clamping part and a second clamping part, the first clamping part is fixedly connected with the base in a detachable mode and is connected with the sleeve in a clamped mode, and the second clamping part is arranged on one side, opposite to the first clamping part, of the base and is connected with the sleeve in an inserting mode.

Through adopting above-mentioned technical scheme, sleeve circumferential direction can be restricted to first clamping part and sleeve joint, and second clamping part is pegged graft with the sleeve, and on the one hand restriction sleeve is along axis horizontal migration, and on the other hand restriction sleeve beats along the axis vertical direction and takes place to jump the axle phenomenon to improve the stability of centre gripping, improve the machining precision to the sleeve.

Optionally, a plurality of first limiting blocks and second limiting blocks with the same width are uniformly arranged on the base at intervals near the edges of the first clamping portion and the second clamping portion, the first limiting blocks and the second limiting blocks are symmetrically arranged in parallel along the central axis of the base, and the distance between every two adjacent first limiting blocks is greater than or equal to the outer diameter of the sleeve; two adjacent first limiting blocks and second limiting blocks form a clamping space.

Through adopting above-mentioned technical scheme, the sleeve generally is cylindrical, and the first stopper and the second stopper of symmetry form U type groove with the base, and telescopic installation and taking out of being convenient for improve machining efficiency.

Optionally, the sleeve processing clamping mechanism further comprises a first mounting seat detachably and fixedly connected with the base, the first mounting seat is provided with a plurality of first jacks, and the second clamping portion penetrates through the first jacks to be connected with the sleeve in an inserting mode.

By adopting the technical scheme, the second clamping part passes through the first jack of the first mounting seat to be movably connected with the base, so that the adaptability of the clamping mechanism is higher,

optionally, the second clamping portion includes a driving element and a plug connector, the driving element is in threaded connection with the first mounting seat, one end of the plug connector is coaxially, detachably and fixedly connected with the driving element, and the other end of the plug connector can be coaxially, detachably and fixedly connected with the sleeve; the one end circumference that the driving piece was kept away from to the plug connector is equipped with the flange, the flange can with telescopic terminal surface butt.

Through adopting above-mentioned technical scheme, the plug connector is pegged graft with the sleeve under the driving of driving piece, thereby makes flange and telescopic end wall butt locking sleeve horizontal migration, and driving piece and first mount pad threaded connection can increase the axial locking steadiness of second clamping part to the sleeve to reduce the sleeve emergence jump axle phenomenon in the course of working.

Optionally, the plug connector is further coaxially sleeved with a first elastic ring, and the first elastic ring can be abutted to the inner wall of the sleeve.

Through adopting above-mentioned technical scheme, set up first elastic ring and can increase plug connector and telescopic butt compactness, further promote the second clamping part to telescopic centre gripping stability, reduce the wearing and tearing of second clamping part to the sleeve inner wall simultaneously.

Optionally, the sleeve processing and clamping mechanism further comprises a second mounting seat parallel to the first mounting seat, and the second mounting seat is located between the base and the first mounting seat and is detachably and fixedly connected with the base and the first mounting seat; the second mounting seat is provided with a plurality of second jacks which are coaxial with the first jacks, the second clamping portion penetrates through the first jacks and the second jacks to be connected with the sleeve in an inserting mode, and the outer diameter of the flange is larger than the inner diameter of the second jacks.

Through adopting above-mentioned technical scheme, set up the axial skew that the second mount pad can restrict the second clamping part to make the locking process of pegging graft more accurate, the external diameter of flange is greater than the internal diameter of second jack simultaneously, and when making grafting portion unblock sleeve, the second mount pad can not passed to the flange, and then limits the removal interval of plug connector, improves the efficiency of second clamping part grafting locking and unblock.

Optionally, the second clamping portion further includes a connecting piece and an elastic piece, the connecting piece is detachably and fixedly connected with one end of the plug-in unit, which is far away from the flange, and the elastic piece is coaxially sleeved outside the plug-in unit and the connecting piece; one end of the connecting piece, which is close to the driving piece, is provided with an annular convex edge, and the outer diameter of the annular convex edge is larger than the inner diameters of the first jack and the second jack; one end of the elastic piece is connected with the annular convex rib, the other end of the elastic piece can be abutted to the second mounting seat, and the elastic direction of the elastic piece faces the second mounting seat.

By adopting the technical scheme, when the second clamping part is inserted into the locking sleeve, the elastic piece is compressed and abutted against the second mounting seat; after the processing is finished, the driving piece is screwed out, the elastic recovery of the elastic piece pushes the annular convex edge to move towards the first mounting seat, so that the insertion part automatically resets, and the use convenience of the clamping mechanism is improved.

Optionally, first clamping part includes fixed connection's joint spare and butt piece, butt piece and base detachably fixed connection, joint spare and butt piece can butt in telescopic inner wall simultaneously.

Through adopting above-mentioned technical scheme, when first clamping part and sleeve joint, joint spare and butt piece butt in telescopic inner wall simultaneously to restriction sleeve takes place circumferential direction, improves the stability of centre gripping.

Optionally, the first clamping part is further provided with a limiting groove, the groove width of the limiting groove is larger than the outer diameter of the sleeve, the limiting groove is provided with a second elastic ring, and the second elastic ring can be abutted to the outer wall of the sleeve.

Through adopting above-mentioned technical scheme, during the sleeve installation, telescopic one end and first clamping part joint are located the spacing inslot, and the second elastic ring increases first clamping part to telescopic frictional force to the restriction sleeve carries out circumferential direction, improves the stability of centre gripping.

Optionally, the second clamping portion further comprises a guide block fixedly connected to the flange and extending towards the first clamping portion, the guide block having a slope towards the flange, the slope being capable of abutting against the sleeve.

By adopting the technical scheme, when the sleeve is installed, one end of the sleeve is firstly clamped with the first clamping part, so that the other end of the sleeve is easily tilted along the vertical direction, and the second clamping part is not beneficial to aligning and splicing with the sleeve; through setting up the guide block, when the plug connector impeld towards the sleeve, the inclined plane guide sleeve of guide block down pushed to make the hole and the plug connector of the sleeve other end aim at, the plug connector of being convenient for is pegged graft with the sleeve, and the guide block further limits the sleeve to jump the axle in addition, improves the stability of centre gripping.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first clamping part is clamped with the sleeve, and the second clamping part is inserted into the sleeve to respectively limit the outside and the inside of the sleeve, so that the phenomenon of shaft jumping of the sleeve during processing is prevented, and the processing precision of the sleeve is improved;

2. the base and the second mounting seat are detachably and fixedly connected, so that the distance between the bases of the second mounting seat can be adjusted to adapt to processing of sleeves with different lengths;

3. due to the arrangement of the first mounting seat and the second mounting seat, the movement stability of the second clamping part is limited, and the second clamping part is prevented from axially deviating, so that the plugging efficiency is reduced due to inaccurate plugging;

4. because the connector is provided with the flange at one end and the annular convex edge at the other end, the excessive free movement of the connector can be limited, thereby shortening the moving distance of the connector and improving the plugging efficiency.

Drawings

Fig. 1 is a schematic perspective view of a clamping mechanism for sleeve processing according to embodiment 1 of the present application.

Fig. 2 is an exploded view of a clamping mechanism for sleeve processing according to embodiment 1 of the present application.

Fig. 3 is an exploded view of another perspective of a sleeve processing clamping mechanism according to embodiment 1 of the present application.

Fig. 4 is an exploded view of a clamping mechanism for sleeve processing according to embodiment 2 of the present application.

Fig. 5 is a partially enlarged view of a in fig. 4.

Fig. 6 is a schematic perspective view of a clamping mechanism for sleeve processing according to embodiment 3 of the present application.

Description of reference numerals: 1. a base; 11. a clamping space; 12. a first stopper; 13. a second limiting block; 14. a U-shaped groove; 2. a clamping assembly; 21. a first clamping portion; 211. a clamping piece; 212. an abutting member; 213. a limiting groove; 2131. a second elastic ring; 22. a second clamping portion; 221. a drive member; 222. a plug-in unit; 2221. a flange; 2222. a third jack; 223. a connecting member; 2231. an annular rib; 224. an elastic member; 225. a guide block; 3. a first mounting seat; 31. a first jack; 4. a second mounting seat; 41. a second receptacle.

Detailed Description

The present application is described in further detail below with reference to fig. 1-6.

The sleeve 100 of the present embodiment is required to be machined by forming an elongated hole in the axial direction of the sleeve 100.

The embodiment of the application discloses sleeve processing clamping mechanism. Referring to fig. 1, a sleeve processing fixture includes a clamping assembly 2 and a base 1, wherein the clamping assembly 2 is connected with the base 1. Wherein the base 1 is used for forming a clamping space 11 for placing the sleeve 100; the clamping assembly 2 is used for clamping the sleeve 100 by matching with the base 1, so that the sleeve 100 is always kept stable in the base 1 in the machining process.

Referring to fig. 1, the clamping member includes a first clamping portion 21 and a second clamping portion 22, the first clamping portion 21 is fixedly connected to one side of the base 1 through a bolt and clamped with the sleeve, and the second clamping portion 22 is located on one side of the base 1 opposite to the first clamping portion 21 and inserted into the sleeve 100.

Referring to fig. 1, the base 1 has first stoppers 12 welded at equal intervals at an edge close to the first clamping portion 21, and the base 1 has a plurality of second stoppers 13 welded at equal intervals at an edge close to the second clamping portion 22. The widths of the first limiting blocks 12 and the second limiting blocks 13 are equal, the first limiting blocks 12 and the second limiting blocks 13 are symmetrically arranged in parallel along the central axis of the base 1, and the distance between every two adjacent first limiting blocks 12 is equal to the outer diameter of the sleeve 100; two adjacent first stoppers 12 and second stoppers 13 form a clamping space 11. When the sleeve 100 is placed in the clamping space 11, the outer wall of the sleeve 100 abuts against the facing side walls of the two adjacent first stoppers 12 and the facing side walls of the two adjacent second stoppers 13 at the same time.

Further, in other embodiments, the first stopper 12 and the second stopper 13 are integrally formed by stamping the base 1; the distance between two adjacent first stoppers 12 is greater than the outer diameter of the sleeve 100.

Further, in other embodiments, the base has been seted up a plurality of mounting grooves, and the mounting groove has formed the centre gripping space, and U type groove has been seted up along mounting groove length direction to the both sides cell wall of mounting groove, and the groove depth in U type groove is less than the groove depth of mounting groove.

Referring to fig. 1, the sleeve processing clamping mechanism further comprises a first mounting seat 3 and a second mounting seat 4 which are parallel to the base 1. Wherein first mount pad 3 passes through bolt fixed connection with second mount pad 4, and second mount pad 4 passes through bolt fixed connection with base 1. The cross-section of first mount pad 3 and second mount pad 4 all is the L type, and the short side section of first mount pad 3 and the long side section butt of second mount pad 4, the short side section and the 1 lateral wall looks butt of base of second mount pad 4 make and have the interval between the long side section of first mount pad 3 and second mount pad 4, have the interval between second mount pad 4 and the base 1. The second clamping portion 22 passes through the first mounting seat 3 and the second mounting seat 4 at the same time, and can move towards the base 1 to realize the insertion connection with the sleeve.

Referring to fig. 2, the first mounting seat 3 is provided with a plurality of first insertion holes 31 coaxial with the clamping space 11, and the second mounting seat 4 is provided with a plurality of second insertion holes 41 coaxial with the clamping space 11.

Further, in other embodiments, the base 1, the first mounting seat 3 and the second mounting seat 4 are integrally formed, and may also be welded and fixed to each other.

Further, in other embodiments, the sleeve processing clamping mechanism includes a base 1 and a first mounting seat 3, and the base 1 and the first mounting seat 3 may be fixedly connected by bolts or integrally formed; the second clamping part 22 is connected with the base 1 in a sliding way through the first mounting seat 3.

Referring to fig. 2, the second clamping portion 22 includes a driving member 221, a connecting member 223, a plug member 222 and an elastic member 224, wherein the driving member 221 is plugged into the connecting member 223, the driving member 221 is abutted against the connecting member 223, and the elastic member 224 is coaxially sleeved on the outer peripheries of the plug member 222 and the connecting member 223. The driving member 221 is a hexagon socket head cap screw, and the driving member 221 passes through the first insertion hole 31 and is in threaded connection with the first mounting seat 3. The plug 222 penetrates through the second jack 41 and is connected with the second mounting seat 4 in a sliding manner, an annular flange 2221 is arranged at one end, facing the base 1, of the plug 222, and the outer diameter of the flange 2221 is larger than the inner diameter of the second jack 41; the opposite end of the plug 222 is provided with a third socket 2222, and the third socket 2222 is used for the plug 222 to be inserted and fixed with the connecting member 223. An end of the connecting member 223 remote from the plug 222 is coaxially provided with an annular rib 2231, and an outer diameter of the annular rib 2231 is larger than inner diameters of the first insertion hole 31 and the second insertion hole 41. One end of the elastic member 224 abuts against the side wall of the annular rib facing the second mounting seat 4, and when the connector 223 and the plug 222 slide in the direction of the base 1 at the same time, the other end of the elastic member 224 can abut against the side wall of the second mounting seat 4.

Further, in other embodiments, the plug 222 and the connecting member 223 may be screwed.

Further, in other embodiments, the second clamping portion 22 includes a plug 222 and a driving member 221, and the plug 222 and the driving member 221 may be tightly fixed.

Further, in other embodiments, in order to reduce the abrasion of the plug 222 to the inner wall of the sleeve, the plug 222 may further be coaxially sleeved with a first elastic ring 2222, and when the plug 222 is inserted into the sleeve 100, the first elastic ring 2222 abuts against the inner wall of the sleeve 100.

Referring to fig. 3, the first clamping portion 21 includes a snap piece 211 and an abutting piece 212 which are integrally formed, and the width of the snap piece 211 is greater than that of the abutting piece 212; one side of the base 1, which faces away from the second mounting seat 4, is provided with a U-shaped groove 14, and the abutting piece 212 penetrates through the U-shaped groove 14 and is fixedly connected with the base 1 through a screw. When the first clamping portion 21 is clamped with the sleeve 100, the clamping piece 211 and the abutting piece 212 abut against the inner wall of the sleeve 100 at the same time.

Implementation principle of example 1:

the assembling step of the sleeve processing clamping mechanism comprises the following steps:

s1, fixing and fastening the base 1 and the second mounting seat 4 through bolts;

s2, inserting the first clamping part 21 into the U-shaped groove 14 and fixedly connecting the first clamping part with the base 1 through a bolt;

s3, inserting the connector 222 through the second insertion hole 41 of the second mounting base 4, and bringing the flange 2221 into contact with the second mounting base 4;

s4, the elastic member 224 is sleeved on the connecting member 223, so that one end of the elastic member 224 abuts against the annular rib 2231, and then the connecting member 223 is inserted into the plug 222;

s5, the first mounting seat 3 and the second mounting seat 4 are fixedly connected by bolts, and the driving member 221 is screwed into the first mounting seat 3.

The clamping working principle is as follows:

s1, the sleeve 100 is placed into the clamping space 11 and pushed to the first clamping part 21, so that the sleeve 100 is clamped with the first clamping part 21, and the circumferential locking of the sleeve 100 is realized;

s2 screwing the driving element 221 to make the driving element 221 abut against the connecting element 223, and with the continued screwing of the driving element 221, making the connecting element 223 push the plug 222 to move toward the sleeve 100 and to be inserted into the sleeve 100, the flange 2221 of the plug 222 abuts against the end surface of the sleeve 100, the elastic element 224 is compressed, and the horizontal locking of the sleeve 100 is realized;

s3, the driving member 221 is unscrewed, the connecting member 223 loses the pushing force of the driving member 221, the elasticity of the elastic member 224 is restored, and the driving connecting member 223 is restored.

Example 2

Referring to fig. 4, embodiment 2 is different from embodiment 1 in that a limiting groove 213 is formed in a side of the clamping member 211 of the first clamping portion 21 facing the second clamping portion 22, and a groove width of the limiting groove 213 is larger than an outer diameter of the sleeve 100. Referring to fig. 5, an annular second elastic ring 2131 is glued to the groove wall of the limiting groove 213, and the thickness of the second elastic ring 2131 gradually increases along the notch of the limiting groove 213 toward the groove bottom wall of the limiting groove 213. When the sleeve 100 is clamped with the first clamping portion 21, the outer wall of the sleeve 100 abuts against the second elastic ring 2131.

Working principle of example 2: when the sleeve 100 is installed, one end of the sleeve 100 is inserted into the limiting groove 213, and the second elastic ring 2131 is gradually increased in thickness to clamp the sleeve 100, so that circumferential rotation and vertical jumping of the sleeve 100 are limited.

Example 3

Referring to fig. 6, embodiment 3 is different from embodiment 1 in that the second clamping portion 22 further includes a guide block 225 welded to the top of the flange 2221, the guide block 225 extending toward the first clamping portion 21, and the guide block 225 having a slope toward the flange 2221. When the plug 222 moves toward the base 1, the guide block 225 moves, and when the plug 222 is inserted into the sleeve 100, the inclined surface of the guide block 225 abuts against the sleeve 100.

Working principle of example 3: when the sleeve 100 is installed, one end of the sleeve 100 is firstly clamped with the first clamping piece, at this time, the other end of the sleeve 100 may slightly vertically tilt upwards, the second clamping portion 22 moves towards the sleeve 100, the inclined surface of the guide block 225 firstly contacts the sleeve 100, along with the continuous movement of the second clamping portion 22, the guide block 225 can press the sleeve 100 onto the base 1, finally, the plug connector 222 is aligned with and plugged into the sleeve 100, and the guide block 225 abuts against the outer wall of the sleeve 100.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a sleeve processing clamping mechanism which characterized in that: the clamping device comprises a base (1) provided with a plurality of clamping spaces (11) and clamping assemblies (2) positioned on two sides of the base (1), wherein the clamping spaces (11) are used for installing a sleeve (100); centre gripping subassembly (2) include first clamping part (21) and second clamping part (22), detachably fixed connection of first clamping part (21) and base (1) and with sleeve (100) joint, base (1) is located for one side of first clamping part (21) and is pegged graft with sleeve (100) in second clamping part (22).

2. The sleeve processing clamping mechanism of claim 1, wherein: the base (1) is provided with a plurality of first limiting blocks (12) and second limiting blocks (13) which are the same in width and are uniformly arranged at intervals at the edges close to the first clamping portion (21) and the second clamping portion (22), the first limiting blocks (12) and the second limiting blocks (13) are symmetrically arranged in parallel along the central axis of the base (1), and the distance between every two adjacent first limiting blocks (12) is larger than or equal to the outer diameter of the sleeve (100); two adjacent first limiting blocks (12) and second limiting blocks (13) form a clamping space (11).

3. The sleeve processing clamping mechanism of claim 1, wherein: the sleeve processing clamping mechanism further comprises a first mounting seat (3) which is fixedly connected with the base (1) in a detachable mode, a plurality of first insertion holes (31) are formed in the first mounting seat (3), and the second clamping portion (22) penetrates through the first insertion holes (31) to be connected with the sleeve (100) in an inserting mode.

4. The sleeve processing clamping mechanism of claim 3, wherein: the second clamping part (22) comprises a driving piece (221) and a plug connector (222), the driving piece (221) is in threaded connection with the first mounting seat (3), one end of the plug connector (222) is coaxially, detachably and fixedly connected with the driving piece (221), and the other end of the plug connector can be coaxially plugged with the sleeve (100); one end of the plug connector (222) far away from the driving piece (221) is circumferentially provided with a flange (2221), and the flange (2221) can be abutted against the end face of the sleeve (100).

5. The sleeve processing clamping mechanism of claim 4, wherein: the plug connector (222) is further coaxially sleeved with a first elastic ring, and the first elastic ring can be abutted to the inner wall of the sleeve (100).

6. The sleeve processing clamping mechanism of claim 4, wherein: the sleeve processing and clamping mechanism further comprises a second mounting seat (4) parallel to the first mounting seat (3), and the second mounting seat (4) is located between the base (1) and the first mounting seat (3) and detachably and fixedly connected with the base (1) and the first mounting seat (3); the second installation seat (4) is provided with a plurality of second insertion holes (41) which are coaxial with the first insertion holes (31), the second clamping portion (22) penetrates through the first insertion holes (31) and the second insertion holes (41) to be inserted into the sleeve (100), and the outer diameter of the flange (2221) is larger than the inner diameter of the second insertion holes (41).

7. The sleeve processing clamping mechanism of claim 6, wherein: the second clamping part (22) further comprises a connecting piece (223) and an elastic piece (224), the connecting piece (223) is detachably and fixedly connected with one end, far away from the flange (2221), of the plug-in piece (222), and the elastic piece (224) is coaxially sleeved outside the plug-in piece (222) and the connecting piece (223); one end of the connecting piece (223) close to the driving piece (221) is provided with an annular convex rib (2231), and the outer diameter of the annular convex rib (2231) is larger than the inner diameters of the first insertion hole (31) and the second insertion hole (41); one end of the elastic piece (224) is connected with the annular rib, the other end of the elastic piece can be abutted against the second mounting seat (4), and the elastic direction of the elastic piece (224) faces the second mounting seat (4).

8. The sleeve processing clamping mechanism of claim 1, wherein: first clamping part (21) are including fixed connection's joint spare (211) and butt piece (212), joint spare (211) and sleeve (100) joint, butt piece (212) and base (1) detachably fixed connection, joint spare (211) and butt piece (212) can butt in telescopic inner wall simultaneously.

9. The sleeve processing clamping mechanism of claim 1, wherein: the first clamping part (21) is further provided with a limiting groove (213), the groove width of the limiting groove (213) is larger than the outer diameter of the sleeve, a second elastic ring (2131) is arranged on the groove wall of the limiting groove (213), and the second elastic ring (2131) can be abutted to the outer wall of the sleeve (100).

10. The sleeve processing clamping mechanism of claim 3, wherein: the second clamping part (22) further comprises a guide block (225), the guide block (225) is fixedly connected with the flange (2221) and extends towards the first clamping part (21), and the guide block (225) has an inclined surface towards the flange (2221), and the inclined surface can be abutted with the sleeve (100).

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