CN219132012U

CN219132012U - Compressing device and clamp

Info

Publication number: CN219132012U
Application number: CN202222963450.3U
Authority: CN
Inventors: 钟树波
Original assignee: Guangdong Hongte Precision Technology Zhaoqing Co ltd
Current assignee: Guangdong Hongte Precision Technology Zhaoqing Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-06-06
Anticipated expiration: 2032-11-07

Abstract

The utility model provides a compressing device and a clamp, wherein the compressing device comprises a driving piece, a connecting piece and a pressing block; the connecting piece is provided with a shaft hole, and the shaft hole is sleeved on an output shaft of the driving piece; the output shaft of the driving piece is provided with threads, nuts are sleeved on the threads, and the connecting piece is fixed with the output shaft through the threads and the nuts; the connecting piece is also provided with a mounting groove, the pressing block is provided with a fixed end, the fixed end is embedded in the mounting groove, and the tail end of the pressing block is used for being abutted with the workpiece; the driving piece is used for driving the connecting piece and the pressing block to move so as to enable the pressing block to be abutted or separated from the workpiece. Compared with the prior art, the connecting piece connected with the output shaft of the driving piece is arranged, the pressing block is connected with the connecting piece through the mounting groove, and when the pressing block is replaced, the pressing block is only required to be detached from the connecting piece, and a nut on the output shaft of the driving piece is not required to be detached, so that the abrasion of the shaft of the driving piece is reduced, and the service life of the driving piece is prolonged.

Description

Compressing device and clamp

Technical Field

The utility model relates to the field of machining, in particular to a compressing device and a clamp.

Background

In the machining process, in order to ensure that the workpiece cannot loosen in the machining process, a pressing device is required to be used for fixing the workpiece. The existing compressing device generally compresses a workpiece through a pressing block, the pressing block is sleeved on an output shaft of a driving piece, threads are arranged on the output shaft of the driving piece, nuts are sleeved on the threads, and the pressing block is fixed with an output shaft of a compressing cylinder through the nuts. The cylinder drives the pressing block to move, so that the pressing block clamps the workpiece.

The briquetting is the fragile part that needs frequent change, consequently needs frequent dismantlement and the last nut of the output shaft of installation driving piece, and this can lead to the output shaft wearing and tearing of driving piece, causes the not hard up of briquetting easily, still can influence the life of driving piece.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a pressing device to reduce wear of the drive output shaft.

The compressing device provided by the utility model comprises a driving piece, a connecting piece and a pressing block; the connecting piece is provided with a shaft hole, and the shaft hole is sleeved on an output shaft of the driving piece; the output shaft of the driving piece is provided with threads, nuts are sleeved on the threads, and the connecting piece and the output shaft are fixed through the threads and the nuts; the connecting piece is also provided with an installing groove, the pressing block is provided with a fixed end, the fixed end is embedded in the installing groove, and the tail end of the pressing block is used for being abutted with a workpiece; the driving piece is used for driving the connecting piece and the pressing block to move so as to enable the pressing block to be abutted or separated from the workpiece.

Further, a fixing piece is arranged on the connecting piece, the fixing piece penetrates through the fixed end of the pressing block, and the fixing piece is used for fixing the pressing block in the mounting groove.

Further, a first fixing hole is formed in the fixed end of the pressing block, a second fixing hole and a third fixing hole corresponding to the first fixing hole are formed in the upper portion and the lower portion of the mounting groove respectively, and the fixing piece penetrates through the first fixing hole, the second fixing hole and the third fixing hole.

Further, the pressing block is in a gradually narrowing shape from the fixed end to the tail end.

Further, a boss is arranged at the tail end of the pressing block and is used for being abutted with a workpiece.

Further, the screw thread is arranged at the upper end part of the output shaft, a conical surface is arranged on the side wall of the output shaft, which is positioned below the screw thread, and the upper diameter of the conical surface is smaller than the lower diameter of the conical surface; the shape of the inner side wall of the shaft hole of the connecting piece is consistent with the shape of the conical surface of the output shaft, and the shaft hole is sleeved on the conical surface of the output shaft.

Further, a positioning pin is arranged on the inner side wall of the shaft hole, a positioning groove is arranged on the outer side wall of the output shaft, and the positioning pin is embedded into the positioning groove.

Further, a slit which is communicated with the inside of the shaft hole and the outer side wall of the connecting piece is arranged on the connecting piece, the slit is arranged along the vertical direction and divides the connecting piece into an open-loop shape, and a bolt hole which penetrates through the slit is arranged on the connecting piece; the fixing bolt passes through the bolt hole; the fixing bolt is used for adjusting the width of the slit, so that the size of the shaft hole is adjusted.

Further, the driving piece is a rotary cylinder or a rotary oil cylinder.

On the other hand, the utility model also provides a clamp which comprises a bottom plate, a supporting device and the pressing device, wherein the supporting device and the pressing device are arranged on the bottom plate; the workpiece is provided with a fixing part, and the lower part of the fixing part is in abutting connection with the supporting device; the pressing block is used for being abutted with the upper part of the fixing part of the workpiece.

Further, the supporting device comprises a supporting seat and a supporting piece, wherein the supporting seat is arranged on the bottom plate, the supporting piece is arranged on the supporting seat, and the supporting piece is detachably connected with the supporting seat; the lower part of the fixing part of the workpiece is abutted with the supporting piece.

Compared with the prior art, the utility model has the following beneficial effects:

1. the connecting piece connected with the output shaft of the driving piece is arranged, the pressing block is connected with the connecting piece through the mounting groove, and when the pressing block is replaced, the pressing block is only required to be detached from the connecting piece, and a nut on the output shaft of the driving piece is not required to be detached, so that the abrasion of the shaft of the driving piece is reduced, and the service life of the driving piece is prolonged;

2. the connecting piece is provided with a fixing piece penetrating through the fixed end of the pressing block so as to prevent the pressing block from loosening and falling off;

3. the slit communicated with the inside of the shaft hole and the outer side wall of the connecting piece is arranged, the slit is arranged in the vertical direction, the connecting piece is divided into an open-loop shape, and the width of the slit is adjusted through the bolt, so that the connection between the connecting piece and the output shaft is firmer.

Drawings

FIG. 1 is an assembled block diagram of a compression device in one embodiment of the utility model;

FIG. 2 is an exploded view of a compression device in one embodiment of the utility model;

FIG. 3 is a schematic view of a clamp in one embodiment of the utility model;

fig. 4 is a schematic structural view of a jig according to an embodiment of the present utility model.

In the figure: 10. a driving member; 11. an output shaft; 111. a thread; 112. a positioning groove; 12. a nut; 20. a connecting piece; 21. a shaft hole; 22. a mounting groove; 24. a second fixing hole; 27. a slit; 28. bolt holes; 30. briquetting; 31. a first fixing hole; 40. a support base; 50. a support; 60. a fixing part.

Detailed Description

The following are specific embodiments of the present utility model, and the technical solutions of the present utility model are further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The present utility model provides a compressing apparatus, as shown in fig. 1 and 2, which includes a driving member 10, a connection member 20, and a pressing block 30, the pressing block 30 being connected to the driving member 10 through the connection member 20. Specifically, the connecting piece 20 is provided with a shaft hole 21, and the connecting piece 20 is sleeved on the output shaft 11 of the driving piece 10 through the shaft hole 21; the output shaft 11 of the driving piece 10 is provided with threads 111, the threads 111 are sleeved with nuts 12, and the connecting piece 20 is fixed with the output shaft 11 through the threads 111 and the nuts 12; the connecting piece 20 is also provided with a mounting groove 22, the pressing block 30 is provided with a fixed end, the fixed end of the pressing block 30 is embedded in the mounting groove 22, and the tail end of the pressing block 30 is used for being abutted with the workpiece A; the driving member 10 is used for driving the connecting member 20 and the pressing block 30 to move so as to enable the pressing block 30 to abut against or separate from the workpiece A. When the pressing block 30 needs to be replaced, the pressing block 30 is detached from the mounting groove 22 of the connecting piece 20, and the nut 12 on the output shaft 11 of the driving piece 10 does not need to be screwed, so that abrasion of the output shaft 11 of the driving piece 10 is reduced, and the service life of the driving piece 10 is prolonged.

To secure the press block 30 within the mounting slot 22, the connection between the press block 30 and the connector 20 is made more secure, preventing the press block 30 from falling off the connector 20. In a preferred embodiment, a securing member is provided on the connector 20 that passes through the secured end of the press block 30.

In a preferred embodiment, the fixed end of the pressing block 30 is provided with a first fixing hole 31, and the upper and lower sides of the mounting groove 22 are respectively provided with a second fixing hole 24 and a third fixing hole corresponding to the first fixing hole 31, and the fixing member passes through the first fixing hole 31, the second fixing hole 24 and the third fixing hole. In a specific embodiment, the fixing member may be a pin, which passes through the second fixing hole 24, the first fixing hole 31 and the third fixing hole from top to bottom, and the head of the pin abuts against the upper edge of the second fixing hole so as to fix the pressing block 30 and the connecting member 20; in other embodiments, the fixing member may be a bolt and a nut, the bolt passes through the second fixing hole 24, the first fixing hole 31 and the third fixing hole from top to bottom, the head of the bolt abuts against the upper edge of the second fixing hole, and the nut is sleeved on the lower portion of the bolt and abuts against the lower edge of the third fixing hole.

In order to accommodate a smaller abutment position of the workpiece a, in a preferred embodiment, the press block 30 is of a tapered shape from the fixed end to the tip. In an alternative embodiment, the horizontal cross section of the press block 30 is a trapezoid, the side of the bottom side of the trapezoid is a fixed end, and the side of the top side of the trapezoid is used for abutting the workpiece a.

In order to allow the end of the press block 30 to sufficiently abut against the workpiece a and to more equalize the pressure applied by the press block 30 to the workpiece a, in a preferred embodiment, the end of the press block 30 is provided with a boss for abutment against the workpiece a. In a specific embodiment, the boss is provided below the end of the press block 30, and the press block 30 abuts the workpiece a through the boss below the end thereof.

In a preferred embodiment, the screw thread 111 is provided at the upper end of the output shaft 11, and the side wall of the output shaft 11 below the screw thread 111 is provided with a conical surface, the upper diameter of which is smaller than the lower diameter thereof; the inner side wall shape of the shaft hole 21 of the connecting piece 20 is consistent with the conical surface shape of the output shaft 111, and the shaft hole 21 is sleeved on the conical surface of the output shaft 111.

In an alternative embodiment, the output shaft 11 is a cylinder with an equal diameter, the side surface of the cylinder is provided with threads 111, and the connecting piece 20 is sleeved on the output shaft 11 through the shaft hole 21; at least two nuts 12 are sleeved on the threads 111 and are respectively positioned above and below the connecting piece 20, and the nuts 12 are tightly abutted with the upper side and the lower side of the connecting piece 20 so as to fix the connecting piece 20 on the output shaft 11. In other embodiments, the nut 12 below the connecting member 20 may be replaced by an abutment member which may be welded to the output shaft 11 or may be integrally formed with the output shaft 11.

In order to prevent relative rotation between the connector 20 and the output shaft 11, thereby causing the position of the pressing block 30 to be shifted, in a preferred embodiment, a positioning pin is provided on the inner side wall of the shaft hole 21, and a positioning groove 112 is provided on the outer side wall of the output shaft 11, and the positioning pin is embedded in the positioning groove 112. In other embodiments, the positioning pin may be provided on the outer side wall of the output shaft 11, and the positioning groove 112 may be provided in the shaft hole 21.

In order to prevent the coupling member 20 from being deviated, in a preferred embodiment, the coupling member 20 is provided with a slit 27 communicating the inside of the shaft hole 21 with the outer side wall of the coupling member 20, the slit 27 being provided in a vertical direction to divide the coupling member 20 into an open-loop shape, and the coupling member 20 is provided with a bolt hole 28 passing through the slit 27; also included are fixing bolts which pass through the bolt holes 28; the fixing bolt is used to adjust the width of the slit 27, thereby adjusting the size of the shaft hole 21. After the fixing bolt is tightened, the rotation of the connector 20 with respect to the output shaft 11 can be prevented.

In a preferred embodiment, the driving member 10 is a rotary cylinder or rotary ram. When the driving piece 10 is a rotary cylinder or a rotary oil cylinder, the rotary cylinder or the rotary oil cylinder can drive the connecting piece 20 and the pressing block 30 to rotate, and the pressing block 30 can rotate to a position for pressing the workpiece A and a position for separating the workpiece A from the workpiece A; when the pressing block 30 rotates to a position where the workpiece a is pressed, the workpiece a can be processed; when the compact 30 is rotated to a position separated from the work a, the work a may be taken out. In other alternative embodiments, the driving member 10 may be a telescopic cylinder or a telescopic cylinder; when the driving piece 10 is a telescopic cylinder or a telescopic oil cylinder, the telescopic cylinder or the telescopic oil cylinder drives the connecting piece 20 and the pressing block 30 to move up and down; when moving downwards, the pressing block 30 presses the workpiece A, and the workpiece A can be processed at the moment; when moving upward, the press block 30 is separated from the workpiece, and the workpiece a can be taken out at this time.

The utility model also provides a clamp, as shown in fig. 3 and 4, which comprises a bottom plate (not shown), a supporting device and the pressing device, wherein the supporting device and the pressing device are arranged on the bottom plate; the workpiece A is provided with a fixing part 60, and the lower part of the fixing part 60 is in abutting connection with the supporting device; the pressing block 30 is configured to abut against the upper side of the fixing portion 60 of the workpiece a.

In a preferred embodiment, the support device comprises a support seat 40 and a support member 50, wherein the support member 40 is arranged on the bottom plate, the support member 50 is arranged on the support seat 40, and the support member 50 is detachably connected with the support seat 40 so as to facilitate the replacement of the support member 50; the lower part of the fixing portion 60 of the work a abuts against the support 50. Specifically, the supporting portion 50 and the supporting seat 40 may be connected by a bolt, and the supporting portion 50 may be embedded in the supporting seat 40.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. A compacting apparatus, characterized in that:

comprises a driving piece (10), a connecting piece (20) and a pressing block (30);

the connecting piece (20) is provided with a shaft hole (21), and the shaft hole (21) is sleeved on the output shaft (11) of the driving piece (10); the output shaft (11) of the driving piece (10) is provided with threads (111), the threads (111) are sleeved with nuts (12), and the connecting piece (20) and the output shaft (11) are fixed through the threads (111) and the nuts (12);

the connecting piece (20) is also provided with a mounting groove (22), the pressing block (30) is provided with a fixed end, the fixed end is embedded in the mounting groove (22), and the tail end of the pressing block (30) is used for being abutted with the workpiece (A);

the driving piece (10) is used for driving the connecting piece (20) and the pressing block (30) to move so as to enable the pressing block (30) to be abutted or separated from the workpiece (A).

2. The compression device of claim 1, wherein:

the connecting piece (20) is provided with a fixing piece, the fixing piece penetrates through the fixed end of the pressing block (30), and the fixing piece (23) is used for fixing the pressing block (30) in the mounting groove (22).

3. The compression device of claim 2, wherein:

the fixed end of briquetting (30) is equipped with first fixed orifices (31), the top and the below of mounting groove (22) are equipped with respectively with second fixed orifices (24) and the third fixed orifices that first fixed orifices (31) correspond, mounting (23) pass first fixed orifices (31), second fixed orifices (24) and the third fixed orifices.

4. The compression device of claim 1, wherein:

the pressing block (30) is gradually narrowed from the fixed end to the tail end.

5. The compression device of claim 1, wherein:

the tail end of the pressing block (30) is provided with a boss, and the boss is used for being abutted with the workpiece (A).

6. The compression device of claim 1, wherein:

the screw thread (111) is arranged at the upper end part of the output shaft (11), a conical surface is arranged on the side wall of the output shaft (11) below the screw thread (111), and the upper diameter of the conical surface is smaller than the lower diameter of the conical surface;

the shape of the inner side wall of the shaft hole (21) of the connecting piece (20) is consistent with the shape of the conical surface of the output shaft (11), and the shaft hole (21) is sleeved on the conical surface of the output shaft (11).

7. The compression device of claim 1, wherein:

the inner side wall of the shaft hole (21) is provided with a locating pin, the outer side wall of the output shaft (11) is provided with a locating groove (112), and the locating pin is embedded into the locating groove (112).

8. The compression device of claim 1, wherein:

the connecting piece (20) is provided with a slit (27) which is communicated with the inside of the shaft hole (21) and the outer side wall of the connecting piece (20), the slit (27) is arranged along the vertical direction to divide the connecting piece (20) into an open-loop shape, and the connecting piece (20) is provided with a bolt hole (28) which penetrates through the slit (27);

-a fixing bolt passing through the bolt hole (28); the fixing bolt is used for adjusting the width of the slit (27), so that the size of the shaft hole (21) is adjusted.

9. The compression device of claim 1, wherein:

the driving piece (10) is a rotary cylinder or a rotary oil cylinder.

10. A fixture, characterized in that:

comprising a base plate, a support device and a compacting device according to any of claims 1-9, said support device and compacting device being arranged on said base plate; a fixing part (60) is arranged on the workpiece (A), and the lower part of the fixing part (60) is abutted with the supporting device; the pressing block (30) is used for abutting against the upper part of the fixing part (60) of the workpiece (A).