CN214024640U

CN214024640U - Clamping device for machining precision machinery parts

Info

Publication number: CN214024640U
Application number: CN202022988054.7U
Authority: CN
Inventors: 于永生
Original assignee: Tianjin Shengkun Machinery Parts Co ltd
Current assignee: Tianjin Shengkun Machinery Parts Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-08-24
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a clamping device for precision machinery parts machining, which comprises a support, the bottom fixed mounting of support has the mounting panel, upper portion one side position of support is equipped with first fixture, the upper portion other side position of support is equipped with second fixture, first fixture is including holder, axle bed, connecting axle, clamp splice, backing plate, screw rod, pivot, eccentric wheel, handle, recess, fixing base and spring, be equipped with interval adjustment mechanism between the holder of support and first fixture and second fixture, logical groove has been seted up to the upper surface of clamp splice, logical groove has been seted up equally to the upper surface of backing plate. A clamping device for precision machinery parts machining, convenient operation, the centre gripping is fast, can improve whole work piece machining efficiency, also possesses spacing's efficiency simultaneously, can be applicable to the work piece use of various equidimensions not, the practicality is higher.

Description

Clamping device for machining precision machinery parts

Technical Field

The utility model relates to a clamping device field, in particular to clamping device is used in precision machinery parts machining.

Background

The clamping device for machining the precision mechanical part is a device for clamping and fixing the mechanical part during the machining of the precision mechanical part, is convenient for an external machine to perform operations such as drilling, polishing, grooving and the like on the workpiece, and belongs to a necessary machining auxiliary tool in machining;

firstly, the existing clamping device for machining the precision mechanical parts is complex in operation and low in clamping efficiency, so that the working speed is influenced, the structure is complex, and the stability is poor; secondly, the existing clamping device for machining the precision mechanical parts has a small application range, is inconvenient to be applied to workpieces with different sizes, and is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a clamping device for precision machine parts machining can effectively solve in the background art: the existing clamping device for machining the precision mechanical parts is complex in operation, low in clamping efficiency, complex in structure and poor in stability, and the working speed is influenced; secondly, the existing clamping device for machining the precision mechanical parts has a small application range, is inconvenient to be applied to workpieces with different sizes, and is not beneficial to the technical problem of use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a clamping device for precision machinery parts machining, includes the support, the bottom fixed mounting of support has the mounting panel, upper portion one side position of support is equipped with first fixture, the upper portion other side position of support is equipped with second fixture, first fixture is including holder, axle bed, connecting axle, clamp splice, backing plate, screw rod, pivot, eccentric wheel, handle, recess, fixing base and spring, be equipped with interval adjustment mechanism between support and first fixture and second fixture's the holder.

As a further scheme of the utility model, axle bed fixed mounting is in upper portion one side position of holder, the clamp splice passes through the connecting axle and is connected with the axle bed rotation, backing plate fixed mounting is on the upper portion of clamp splice, the screw rod runs through backing plate and clamp splice, pivot threaded connection is close to the top position in the outside of screw rod, the eccentric wheel is connected with pivot eccentricity, handle fixed mounting is in the outside of eccentric wheel, the upper surface at the holder is seted up to the recess, fixing base fixed mounting is located the outside of screw rod in the inside of recess, the spring housing is established and is located between fixing base and the clamp splice in the outside of screw rod.

As a further proposal of the utility model, the upper surface of the clamping block is provided with a through groove, the upper surface of the backing plate is also provided with a through groove.

As a further aspect of the utility model, interval adjustment mechanism is including T shape spout, lead screw, commentaries on classics handle, nut and T shape slider, the upper surface at the support is seted up to T shape spout, lead screw swing joint is in the inside of T shape spout, change the one end of fixed connection at the lead screw, nut threaded connection is close to one end position in the outside of lead screw, T shape slider fixed mounting is in the bottom of holder.

As a further aspect of the present invention, the holder passes through T-shaped slider and T-shaped sliding groove sliding connection, lead screw and T-shaped slider threaded connection.

As a further proposal of the utility model, the four corners of the upper surface of the mounting plate are provided with mounting holes.

Compared with the prior art, the utility model discloses following beneficial effect has: in the utility model, by arranging the first clamping mechanism and the second clamping mechanism, during operation, a workpiece can be clamped only by rotating the eccentric wheel through the handle, when the thickness of the workpiece is changed, the rotating shaft is also rotated only through the eccentric wheel, so that the rotating shaft rises or reduces the height, the clamping angle of the clamping block can be enlarged or reduced, when the workpiece with the same thickness is clamped, the proper height of the eccentric wheel is set in advance, the operation is more convenient, the speed is higher, and the processing efficiency of the whole workpiece is improved;

through setting up first fixture of interval adjustment mechanism cooperation and second fixture, can conveniently adjust the interval between first fixture and the second fixture, be applicable to the work piece of various different length or width, application scope is more extensive.

Drawings

FIG. 1 is a schematic view of the overall structure of a clamping device for machining precision machine parts according to the present invention;

FIG. 2 is a schematic view of the internal structure of a clamping device for machining precision machine parts according to the present invention;

FIG. 3 is an enlarged view of the internal structure of the holder of the clamping device for machining precision machine parts according to the present invention;

fig. 4 is a top view of the clamping block of the clamping device for machining precision mechanical parts of the present invention.

In the figure: 1. a support; 2. mounting a plate; 3. a first clamping mechanism; 4. a second clamping mechanism; 5. a holder; 6. a shaft seat; 7. a connecting shaft; 8. a clamping block; 9. a base plate; 10. a screw; 11. a rotating shaft; 12. an eccentric wheel; 13. a handle; 14. a spacing adjustment mechanism; 15. a T-shaped chute; 16. a screw rod; 17. turning a handle; 18. A nut; 19. a T-shaped slider; 20. a groove; 21. a fixed seat; 22. a spring; 23. a through groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a clamping device for precision machine part processing comprises a support 1, a mounting plate 2 is fixedly mounted at the bottom of the support 1, a first clamping mechanism 3 is arranged at one side of the upper part of the support 1, a second clamping mechanism 4 is arranged at the other side of the upper part of the support 1, the first clamping mechanism 3 comprises a clamping seat 5, a shaft seat 6, a connecting shaft 7, a clamping block 8, a backing plate 9, a screw rod 10, a rotating shaft 11, an eccentric wheel 12, a handle 13, a groove 20, a fixed seat 21 and a spring 22, and a distance adjusting mechanism 14 is arranged between the support 1 and the clamping seats 5 of the first clamping mechanism 3 and the second clamping mechanism 4;

the shaft seat 6 is fixedly arranged at one side of the upper part of the clamping seat 5, the clamping block 8 is rotatably connected with the shaft seat 6 through a connecting shaft 7, the backing plate 9 is fixedly arranged at the upper part of the clamping block 8, the screw rod 10 penetrates through the backing plate 9 and the clamping block 8, the rotating shaft 11 is in threaded connection with the outer part of the screw rod 10 close to the top end position, the eccentric wheel 12 is in eccentric connection with the rotating shaft 11, the handle 13 is fixedly arranged at the outer part of the eccentric wheel 12, the groove 20 is formed in the upper surface of the clamping seat 5, the fixing seat 21 is fixedly arranged in the groove 20 and located on the outer side of the screw rod 10, and the spring 22 is sleeved outside the screw rod 10 and located between the fixing seat 21 and the clamping block 8; the upper surface of the clamping block 8 is provided with a through groove 23, and the upper surface of the backing plate 9 is also provided with a through groove 23; the spacing adjusting mechanism 14 comprises a T-shaped sliding groove 15, a screw rod 16, a rotating handle 17, a screw cap 18 and a T-shaped sliding block 19, the T-shaped sliding groove 15 is formed in the upper surface of the support 1, the screw rod 16 is movably connected inside the T-shaped sliding groove 15, the rotating handle 17 is fixedly connected to one end of the screw rod 16, the screw cap 18 is in threaded connection with the outer portion of the screw rod 16 and is close to one end, and the T-shaped sliding block 19 is fixedly installed at the bottom of the clamping seat 5; the clamp seat 5 is connected with the T-shaped sliding groove 15 in a sliding mode through a T-shaped sliding block 19, and the screw rod 16 is connected with the T-shaped sliding block 19 in a threaded mode; mounting holes are formed in the four-angle positions of the upper surface of the mounting plate 2, and the mounting holes can play a role in fixing the support 1 through external bolts.

It should be noted that, the utility model relates to a clamping device for precision machine parts processing, when using, firstly, the mounting plate 2 is fixed by the mounting holes of the four corners of the mounting plate 2 through the external bolt, and then the support 1 can be fixed on the external platform, firstly, the distance between the first clamping mechanism 3 and the second clamping mechanism 4 is adjusted by the distance adjusting mechanism 14 according to the length or width of the workpiece to be clamped, when operating, the rotating handle 17 is utilized to rotate the screw rod 16, so that the screw rod 16 drives the clamping seats 5 of the two clamping mechanisms through the screw action and moves in the T-shaped sliding groove 15 through the T-shaped sliding block 19, and then the distance between the two clamping mechanisms can be adjusted, then the screw cap 18 is rotated to make the screw cap 18 cling to the surface of the support 1, namely the screw rod 16 can be fixed, thereby fixing the first clamping mechanism 3 and the second clamping mechanism 4, after the distance is adjusted, the workpiece to be clamped is placed between the first clamping mechanism 3 and the second clamping mechanism 4 and is positioned below the two clamping blocks 8, then the handle 13 is utilized to rotate the eccentric wheel 12, the eccentric wheel 12 pushes the backing plate 9 through the action of diameter change, the backing plate 9 pushes the clamping block 8, the clamping block 8 rotates on the inner side of the shaft seat 6 through the connecting shaft 7, so that the clamping block 8 is pressed on the clamped workpiece to clamp and fix the workpiece, when the clamping block 8 rotates, the clamping block 8, the backing plate 9 and the screw 10 move through the moving space provided by the through groove 23, the phenomenon of dead angle clamping cannot occur, when the workpiece needs to be taken out, the handle 13 reversely rotates the eccentric wheel 12, after the pressure of the eccentric wheel 12 is lost, the clamping block 8 is bounced by the elasticity of the spring 22, so that people can manually take out the workpiece to finish the processing of the workpiece.

The utility model discloses a set up first fixture 3 and second fixture 4, during the operation, only need to rotate eccentric wheel 12 through handle 13 and can press from both sides tightly the work piece, when work piece thickness produces the change, also only need rotate pivot 11 through eccentric wheel 12, make pivot 11 rise or reduce the height, can enlarge or reduce the angle that can centre gripping of clamp splice 8, when the work piece of centre gripping the same thickness, set up in advance eccentric wheel 12 suitable height can, it is more convenient to operate, and is faster, improves whole work piece machining efficiency; through setting up first fixture 3 of interval adjustment mechanism 14 cooperation and second fixture 4, can conveniently adjust the interval between first fixture 3 and the second fixture 4, be applicable to the work piece of various different length or width, application scope is more extensive.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a clamping device is used in precision machinery parts machining which characterized in that: including support (1), the bottom fixed mounting of support (1) has mounting panel (2), upper portion one side position of support (1) is equipped with first fixture (3), the upper portion other side position of support (1) is equipped with second fixture (4), first fixture (3) are equipped with interval adjustment mechanism (14) including holder (5), axle bed (6), connecting axle (7), clamp splice (8), backing plate (9), screw rod (10), pivot (11), eccentric wheel (12), handle (13), recess (20), fixing base (21) and spring (22), be equipped with between holder (5) of support (1) and first fixture (3) and second fixture (4).

2. The clamping device for precision mechanical part machining according to claim 1, characterized in that: axle bed (6) fixed mounting is in the upper portion one side position of holder (5), clamp splice (8) are rotated with axle bed (6) through connecting axle (7) and are connected, backing plate (9) fixed mounting is on the upper portion of clamp splice (8), backing plate (9) and clamp splice (8) are run through in screw rod (10), pivot (11) threaded connection is close to the top position in the outside of screw rod (10), eccentric wheel (12) and pivot (11) eccentric connection, handle (13) fixed mounting is in the outside of eccentric wheel (12), the upper surface at holder (5) is seted up in recess (20), fixing base (21) fixed mounting is located the outside of screw rod (10) in the inside of recess (20), spring (22) cover is established and is located between fixing base (21) and clamp splice (8) the outside of screw rod (10).

3. The clamping device for precision mechanical part machining according to claim 1, characterized in that: a through groove (23) is formed in the upper surface of the clamping block (8), and a through groove (23) is also formed in the upper surface of the backing plate (9).

4. The clamping device for precision mechanical part machining according to claim 1, characterized in that: interval adjustment mechanism (14) are including T shape spout (15), lead screw (16), change (17), nut (18) and T shape slider (19), the upper surface at support (1) is seted up in T shape spout (15), lead screw (16) swing joint is in the inside of T shape spout (15), change the one end of (17) fixed connection at lead screw (16), nut (18) threaded connection is close to one end position in the outside of lead screw (16), T shape slider (19) fixed mounting is in the bottom of holder (5).

5. The clamping device for precision mechanical part machining according to claim 4, characterized in that: the clamping seat (5) is in sliding connection with the T-shaped sliding groove (15) through a T-shaped sliding block (19), and the screw rod (16) is in threaded connection with the T-shaped sliding block (19).

6. The clamping device for precision mechanical part machining according to claim 1, characterized in that: mounting holes are formed in four corners of the upper surface of the mounting plate (2).