CN217833396U

CN217833396U - Outward expansion mechanism for transmitting axial force to radial force

Info

Publication number: CN217833396U
Application number: CN202222016824.0U
Authority: CN
Inventors: 丁冬
Original assignee: Shanghai Hanshuang Electromechanical Equipment Co ltd
Current assignee: Shanghai Hanshuang Electromechanical Equipment Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-18
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a pass to outer mechanism that rises for radial force with axial force, including chassis, outer fender ring sum sliding tray, outer fender ring lies in the outside of sliding tray, and both common fixed mounting is on the chassis, be provided with four tight pieces that rise on the sliding tray, have the spout that matches with the tight piece that rises on the sliding tray, the surface that keeps off the ring outward is higher than the surface of sliding tray and can fix a position the tight piece that rises and keep away from the distance of sliding tray central direction horizontal motion, four the gomphosis has the tight post that rises of one end for the cone structure between the tight piece that rises, fixed mounting has the apron on the outer fender ring, still be provided with reset element between tight piece and the outer fender ring that rises, the utility model discloses utilize the tight post that rises to insert to the tight piece that rises between the tight piece that rises to slide towards the central direction of keeping away from the sliding tray along the spout to change the power of the tight post axial direction that rises into the tight piece horizontal direction that rises into the tight piece that rises, make the tight piece that rises to support the inner wall of the tight piece that rises and tightly, so accomplish the clamping action to the work piece.

Description

Outward expansion mechanism for transmitting axial force to radial force

Technical Field

The utility model discloses a reach the mechanism that rises outward for radial force with axial force belongs to work piece adds clamping apparatus technical field.

Background

The pipe and sleeve workpieces in the machine, such as various bearing sleeves, gears, belt wheels and the like, are widely applied parts in production. The main processing surfaces of the pipe and sleeve workpieces are inner holes, outer circles and end faces. The pipe and sleeve workpieces are positioned in the inner hole and then the outer circle and the end face are machined. Although the existing clamp for positioning the inner hole of the workpiece can also realize the clamping function, the lifting space exists in the simple and practical degree of the integral structure design, and particularly, the assembly and the replacement of parts are complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an outward expansion mechanism which transmits the axial force to the radial force.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a reach the outer mechanism that rises for radial force with axial force, including chassis, outer fender ring sum sliding tray, outer fender ring lies in the outside of sliding tray, and both common fixed mounting is on the chassis, be provided with four tight pieces that rise on the sliding tray, have the spout that matches with the tight piece that rises on the sliding tray, the surface that outer fender ring is higher than the sliding tray and can fix a position the tight piece that rises and keep away from the distance of sliding tray central direction horizontal motion, four the gomphosis has the tight post that rises that one end is the cone structure between the tight piece that rises, fixed mounting has the apron on the outer fender ring, still be provided with reset element between tight piece that rises and the outer fender ring.

By adopting the technical scheme, the tensioning columns are inserted between the tensioning blocks to force the tensioning blocks to slide along the sliding grooves towards the direction far away from the center of the sliding disc, so that the axial force of the tensioning columns is converted into the horizontal acting force of the tensioning blocks, the inner walls of the workpieces can be abutted by the tensioning blocks, the clamping action on the workpieces is completed, the reset element can exert the acting force on the tensioning blocks to reset the workpieces after the tensioning columns are separated from the tensioning blocks, and the workpieces are loosened.

Preferably, the surface of one end of the tensioning block, which is used for tensioning and positioning the workpiece, is provided with a plurality of protruding points distributed in an array.

By adopting the technical scheme, the acting force of the tensioning block on the workpiece can be increased by utilizing the convex points, so that the possibility of sliding or rotating the workpiece is reduced.

Preferably, the reset element is a spring, and one end of the spring is embedded into the tensioning block.

Through adopting above-mentioned technical scheme, so design can guarantee that the spring can not take place to buckle when the compression to prolong its life.

Preferably, the outer baffle ring is provided with a threaded hole corresponding to the spring, and a headless screw is arranged in the threaded hole.

Through adopting above-mentioned technical scheme, so design can make things convenient for the dismouting spring, need not to take off apron and work piece.

Preferably, the cover plate is provided with a wear-resisting plate, the wear-resisting plate is provided with a positioning pin, and the tensioning block penetrates through the wear-resisting plate and extends to the outer side of the wear-resisting plate.

Through adopting above-mentioned technical scheme, the antifriction plate can reduce the wearing and tearing when the work piece is assembled, and the locating pin can be quick fixes a position the work piece simultaneously.

Preferably, a support piece is arranged on the cover plate, and a proximity switch is arranged on the support piece.

Through adopting above-mentioned technical scheme, support piece can provide the atress strong point when the location work piece, and proximity switch can respond to whether be equipped with the work piece to control other electronic component work, so that realize intelligent processing.

Compared with the prior art, the beneficial effects of the utility model are that:

the tension column is inserted between the tension blocks to force the tension blocks to slide along the sliding grooves in the direction far away from the center of the sliding disc, so that the axial force of the tension column is converted into the horizontal acting force of the tension blocks, the tension blocks can tightly abut against the inner wall of the workpiece, the workpiece is clamped, the reset element can exert the acting force on the tension blocks to reset the tension blocks after the tension columns are separated from the tension blocks, and the workpiece is loosened.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of an expanding mechanism for transmitting an axial force to a radial force according to the present invention;

fig. 2 is a schematic view of an assembly structure of the outer retainer ring, the sliding disc and the tensioning block in the present invention;

fig. 3 is a schematic structural view of the tensioning block and the tensioning column of the utility model;

reference numerals: 1. positioning pins; 2. a wear plate; 3. a cover plate; 4. a support member; 5. a proximity switch; 6. a chassis; 7. an outer retainer ring; 8. a tensioning block; 9. a threaded hole; 10. a chute; 11. a slide plate; 12. salient points; 13. headless screws; 14. a tensioning column; 15. and resetting the element.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 3, an outward expanding mechanism for transmitting an axial force to a radial force includes a chassis 6, an outer retainer ring 7 and a sliding plate 11, wherein the outer retainer ring 7 and the sliding plate 11 are fixedly mounted on the chassis 6, the sliding plate 11 is provided with four symmetrically distributed sliding chutes 10, tensioning blocks 8 are disposed in the sliding chutes 10, the tensioning blocks 8 can slide in a radial direction of the sliding plate 11 along the sliding chutes 10, a cover plate 3 is fixedly mounted on the outer retainer ring 7, and a surface of the outer retainer ring 7 is higher than a surface of the sliding plate 11, when the sliding blocks 8 slide to an edge of the sliding plate 11, the outer retainer ring 7 can limit sliding of the tensioning blocks 8, and tensioning columns 14 are disposed between the four tensioning blocks 8, one end of the tensioning columns 14 is of a cone structure, and are inserted between the tensioning blocks 8 by using the tensioning columns 14 to force the tensioning blocks 8 to slide along the sliding chutes 10 away from a center of the sliding plate 11, therefore, the axial force of the tension column 14 is converted into the horizontal acting force of the tension block 8, the tension block 8 can support the inner wall of the workpiece tightly, the clamping action on the workpiece is completed in this way, the reset element 15 can apply acting force on the tension block 8 to reset after the tension column 14 is separated from the tension block 8, and accordingly the workpiece is loosened, the reset element 15 can be a spring, one end of the reset element is embedded into the tension block 8, the spring can be prevented from being bent during compression, the service life of the spring is prolonged, meanwhile, the outer retaining ring 7 is provided with the threaded hole 9 corresponding to the spring, the threaded hole 9 is internally provided with the headless screw 13, when the spring needs to be disassembled and replaced, the headless screw 13 only needs to be screwed off, the cover plate 3 and the workpiece do not need to be disassembled, the sliding disc 11 and the outer retaining ring 7 are designed separately, and production, processing and replacement of the parts can be simplified.

Secondly, in order to increase the effort of tight piece 8 to the work piece that rises, thereby reduce the possibility that the work piece slides or gyrates, the bump 12 that the one end surface that is used for tight location work piece that rises at tight piece 8 has a plurality of array distributions, bump 12 can increase and the frictional force between the work piece, thereby avoid producing relative motion, and be provided with antifriction plate 2 on the apron 3, be provided with locating pin 1 on the antifriction plate 2, tight piece 8 that rises passes antifriction plate 2 and extends to its outside, antifriction plate 2 can reduce the wearing and tearing when the work piece is assembled, locating pin 1 can be quick fixes a position the work piece simultaneously, be provided with support piece 4 on the apron 3, be provided with proximity switch 5 on support piece 4, support piece 4 can provide the atress strong point when fixing a position the work piece, and proximity switch 5 can respond to whether be equipped with the work piece, thereby control other electronic component work, so as to alright realize intelligent processing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The outward expansion mechanism for transmitting the axial force to the radial force is characterized by comprising a chassis (6), an outer baffle ring (7) and a sliding disc (11), wherein the outer baffle ring (7) is located on the outer side of the sliding disc (11), the outer baffle ring and the sliding disc are jointly and fixedly installed on the chassis (6), four expansion blocks (8) are arranged on the sliding disc (11), a sliding groove (10) matched with the expansion blocks (8) is formed in the sliding disc (11), the surface of the outer baffle ring (7) is higher than the surface of the sliding disc (11), the distance of the horizontal movement of the expansion blocks (8) in the direction far away from the center of the sliding disc (11) can be located, expansion columns (14) with cone structures at one ends are embedded among the four expansion blocks (8), a cover plate (3) is fixedly installed on the outer baffle ring (7), and a reset element (15) is further arranged between the expansion blocks (8) and the outer baffle ring (7).

2. An expansion mechanism for transmitting axial force to radial force as claimed in claim 1, wherein the expansion block (8) is used for expanding and positioning one end surface of the workpiece and has a plurality of protruding points (12) distributed in an array.

3. An expansion mechanism for transmitting axial force to radial force according to claim 1, characterized in that the return element (15) is a spring, one end of which is embedded in the expansion block (8).

4. An expanding mechanism for transmitting axial force to radial force according to claim 3, characterized in that the outer retainer ring (7) is provided with a threaded hole (9) corresponding to the position of the spring, and a headless screw (13) is arranged in the threaded hole (9).

5. An expansion mechanism for transmitting axial force to radial force according to claim 1, characterized in that the cover plate (3) is provided with a wear plate (2), the wear plate (2) is provided with a positioning pin (1), and the tension block (8) passes through the wear plate (2) and extends to the outside.

6. An expansion mechanism for transmitting axial force to radial force according to claim 1, characterized in that a support (4) is arranged on the cover plate (3), and a proximity switch (5) is arranged on the support (4).