CN115401488A - Flexible machining center clamp for rough milling of axle housing flange surface - Google Patents

Abstract

The invention discloses a flexible machining center clamp for rough milling of an axle housing flange surface, which relates to the technical field of machining clamps and comprises a clamp mounting base, a clamping part, a hydraulic centering clamping mechanism, a hydraulic pressing mechanism, a pneumatic tensioning mechanism and a smoothing positioning mechanism, wherein the clamp mounting base is detachably mounted on the surface of a milling machine workbench, the clamping part, the hydraulic centering clamping mechanism, the hydraulic pressing mechanism, the pneumatic tensioning mechanism and the smoothing positioning mechanism are arranged on the clamp mounting base, and the clamping part can be used for randomly adjusting the clamping size in a limited size range on a horizontal plane.

Description

A flexible machining center fixture for rough milling of the flange surface of the axle housing

technical field

The invention relates to the technical field of machining fixtures, in particular to a flexible machining center fixture for rough milling of the flange surface of an axle housing.

Background technique

The axle housing is the basic part for installing the main reducer, differential, half shaft, hub and suspension. Its main function is to support and protect the main reducer, differential and half shaft. At the same time, the axle housing is the main , Differentials, axle shafts and other components, the supporting parts and containing parts, the axle housing will have different sizes according to the specifications of the contained parts, so a special fixture is required for one product in processing, and the fixture cannot Adjustment, when the conventional rough milling fixture clamps the axle housing, it needs to align the center of the axle housing many times, and then manually lock and fix it, so this manual operation is very troublesome for batch processed axle housings , the clamping time is long, the positioning is difficult, each clamping is not completed at one time, and multiple adjustments are required after clamping, resulting in extremely low work efficiency, and the compatibility of the clamps is poor, the number of clamps is large, and the production cost invested is high. , and not easy to maintain.

Contents of the invention

In view of the above deficiencies, the present invention provides a flexible machining center fixture for rough milling of the flange surface of the axle housing, which can solve the problems mentioned in the background technology. The fixture of the present invention uses pneumatic positioning and hydraulic clamping, eliminating the need for manual operation. It is cumbersome, which improves the efficiency of clamping, and the clamp of the present invention has high compatibility, and products of different specifications and models can be clamped by simple adjustment, and a set of clamps can be compatible with various products, reducing production costs.

To achieve the above object, the present invention adopts the following technical solutions:

A fixture of a flexible machining center for rough milling of the flange surface of an axle housing, comprising a fixture installation base, the fixture installation base is fixedly installed on the working table of a milling machine, and the fixture installation base is provided with opposite first ends and second ends, And the first end and the second end are slidingly provided with a clamping part, and the clamping part is connected to the clamp installation base through a locking connection part, and the relative approach/distance of the clamping part realizes the Clamping/unclamping of workpieces.

A further preferred solution of the present invention is that a locking chute is provided on the upper surface of the fixture installation base, and the over-locking connection part is slidably arranged in the locking chute, and the locking connection part includes T-shaped bolts and nuts, the head of the T-shaped bolt is slidingly clamped in the locking chute, the tail of the T-shaped bolt is connected with the clamping part, and the distance between the nut and the T-shaped bolt is thread connection.

A further preferred solution of the present invention is that the clamping part includes a slide rail, a slider, a clamping plate, a support, a carrier plate and a mounting plate, and the slide rail is arranged on the clamp installation base, The slider is slidably installed on the slide rail, the carrier plate is fixedly installed on the slider, the carrier plate is provided with the support, and the support is provided with the installation The clamping plate is vertically arranged on the mounting plate, and the two opposite clamping plates realize the clamping/releasing of the workpiece during the process of relatively approaching/moving away.

A further preferred solution of the present invention is that a hydraulic centering clamping mechanism is provided on the mounting plate, and the center position of the mounting plate is dug through, and the hydraulic centering clamping mechanism includes a centering clamping plate, a second Two slide rails, a second slider, a connecting piece and a hydraulic telescopic cylinder, the hydraulic telescopic cylinder is installed on the carrier plate, the second slider is provided on the opposite surface of the clamping plate, the The second slide block is arranged on the mounting plate, the second slide rail is slidably connected with the second slide block, the second slide rail is installed on the centering clamping plate, and the centering clamp There is a notch on either side of the holding plate, and the centering clamping plate is opposite to the notch between the centering clamping plates, one end of the connecting piece is connected to the centering clamping plate, and the other end Through the center hole of the mounting plate and connected to the output end of the hydraulic telescopic cylinder, driven by the hydraulic telescopic cylinder, the centering clamping plate and the centering clamping plate are close to/far away from each other to realize the workpiece centering clamping/unclamping.

A further preferred solution of the present invention is that a hydraulic pressing mechanism is provided on both sides of the middle part of the fixture installation base, and the hydraulic pressing mechanism includes a support block, a second hydraulic telescopic cylinder and a pressing plate , the two sides of the middle part of the clamp installation base are provided with a plurality of the support blocks, the second hydraulic telescopic cylinder is arranged on the support blocks, and the output end of the second hydraulic telescopic cylinder is installed With compression plate.

A further preferred solution of the present invention is that a rubber pad is provided on the contact surface between the pressing plate and the workpiece.

A further preferred solution of the present invention is that a pneumatic tensioning mechanism is provided between the hydraulic compression mechanisms.

A further preferred solution of the present invention is that a flattening positioning mechanism is provided in the middle of the fixture installation base, and the flattening positioning mechanism includes a mounting frame, a third sliding rail, a third sliding block, a spring, and a center mounting Rod, limit block, installation bottom plate and smoothing block, the third slide rail is arranged on the opposite surface in the installation frame, the third slide block is slidably arranged on the third slide rail, the installation The bottom plate horizontal frame is inside the installation frame, the central installation rod is fixed in the middle of the installation bottom plate, the spring is sleeved on the central installation rod, and the smoothing block is installed on the third slider On one side of the moving direction, a perforation is provided in the middle of the smoothing block, and the central installation rod passes through the perforation, the spring is arranged between the installation base plate and the smoothing block, and the limiting block It is arranged on opposite ends of the installation frame.

A further preferred solution of the present invention is that a smoothing rubber pad is provided on the smoothing block.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention provides a flexible machining center fixture for rough milling of the flange surface of the axle housing. The clamping size can be adjusted arbitrarily within a limited size range on the horizontal plane of the machining fixture.

2. The hydraulic centering clamping mechanism of the present invention can center and fix the workpiece while clamping the workpiece.

3. The hydraulic pressing mechanism of the present invention can realize the pressing effect on the longitudinal direction of the workpiece.

5. The smoothing and positioning mechanism in the present invention can reciprocally smooth and adjust the workpiece by utilizing the elastic potential energy of the spring, so that when the workpiece is placed at will, the compression and rebound of the spring can smooth and adjust the workpiece.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the description of the embodiments.

Fig. 1 is a three-dimensional schematic diagram of overall assembly in the present invention;

Fig. 2 is a front view of the overall structure in the present invention;

Fig. 3 is a side view of the overall structure of the present invention.

Among them, the marks shown in the figure are: 1. Fixture installation base; 2. First end; 3. Second end; 4. Locking chute; 5. T-bolt; 6. Nut; 7. Slide rail; 8 , slider; 9, clamping plate; 10, support; 11, carrier plate; 12, mounting plate; 13, centering clamping plate; 14, second slide rail; 15, second slider; 16, Connecting piece; 17. Hydraulic telescopic cylinder; 18. Support block; 19. Second hydraulic telescopic cylinder; 20. Compression plate; 21. Pneumatic tensioning mechanism; 22. Mounting frame; 23. The third slide rail; 24. The third slide block; 25, spring; 26, center mounting rod; 27, limit block; 28, installation base plate; 29, smooth block; 30, smooth rubber pad.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the term "inner" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example

Please refer to Fig. 1, Fig. 2 and Fig. 3, the preferred embodiment of the present invention provides a flexible machining center fixture for rough milling of the flange surface of the axle housing, including a fixture installation base 1, and the fixture installation base 1 is fixedly installed on On the working table of the milling machine, the fixture installation base 1 is provided with opposite first end 2 and second end 3, and the first end 2 and the second end 3 are slidingly provided with a clamping part, and the clamping part It is connected with the fixture installation base 1 through a locking connection part (the upper surface of the fixture installation base 1 is provided with a locking chute 4, and the over-locking connection part is slidably arranged in the locking chute 4, so The locking connection part includes a T-bolt 5 and a nut 6, the head of the T-bolt 5 is slidingly clamped in the locking chute 4, and the tail of the T-bolt 5 is connected with the clamping part. , the nut 6 and the T-bolt 5 are in a threaded connection), by manually adjusting the relative proximity/distance of the clamping part, the clamping/loosening of the workpiece is realized, and then the workpiece can be tightened by tightening the nut 6 Clamped on the operating table.

The specific structure of the clamping part is as follows:

In a preferred embodiment of the present invention, the clamping part includes a slide rail 7, a slider 8, a clamping plate 9, a support 10, a carrier plate 11 and a mounting plate 12, and the slide rail 7 is arranged on the On the fixture installation base 1, the slider 8 is slidably installed on the slide rail 7, the carrier plate 11 is fixedly installed on the slider 8, and the carrier plate 11 is provided with the support 10. The support 10 is provided with the mounting plate 12, the clamping plate 9 is vertically arranged on the mounting plate 12, and the two opposing clamping plates 9 are relatively close to/far from In this process, the clamping/releasing of the workpiece is realized.

In a preferred embodiment of the present invention, the mounting plate 12 is provided with a hydraulic centering clamping mechanism, and the center position of the mounting plate 12 is dug through. The hydraulic centering clamping mechanism includes a centering clamping plate 13, The second sliding rail 14, the second sliding block 15, the connecting piece 16 and the hydraulic telescopic cylinder 17, the hydraulic telescopic cylinder 17 is installed on the carrier plate 11, and the opposite surface of the clamping plate 9 is provided with the The second slide block 15 is provided on the mounting plate 12, the second slide rail 14 is slidingly connected with the second slide block 15, and the second slide rail 14 is installed on On the centering clamping plate 13, a notch is provided on either side of the centering clamping plate 13, and the centering clamping plate 13 is opposite to the notch between the centering clamping plates 13 One end of the connecting piece 16 is connected to the centering clamping plate 13, and the other end is connected to the output end of the hydraulic telescopic cylinder 17 through the center hole of the mounting plate 12, driven by the hydraulic telescopic cylinder 17, The output end of the hydraulically telescopic cylinder 17 is stretched out or retracted, so that the linkage connecting piece 16 pulls the centering clamping plate 13 to slide on the second slide rail 14 to realize the centering clamping plate 13 and the centering clamping plate 13. 13 are close to/far from each other to realize the centering clamping/releasing of the workpiece.

In a preferred embodiment of the present invention, a hydraulic pressing mechanism is provided on both sides of the middle part of the clamp installation base 1, and the hydraulic pressing mechanism includes a support block 18, a second hydraulic telescopic cylinder 19 and a pressing plate 20, a number of support blocks 18 are provided on both sides of the middle position of the fixture installation base 1, and the second hydraulic telescopic cylinder 19 is arranged on the support block 18, and the second hydraulic telescopic A pressing plate 20 is installed on the output end of the cylinder 19; a rubber pad is provided on the contact surface between the pressing plate 20 and the workpiece.

In a preferred embodiment of the present invention, a pneumatic tensioning mechanism 21 is provided between the hydraulic compression mechanisms, and the pneumatic tensioning mechanism 21 is a known structure, which can be configured and purchased on the market.

In a preferred embodiment of the present invention, a flattening positioning mechanism is provided in the middle of the fixture installation base 1, and the flattening positioning mechanism includes a mounting frame 22, a third slide rail 23, a third sliding block 24, and a spring 25. , a center mounting rod 26, a limiting block 27, a mounting base plate 28 and a smoothing block 29, the third sliding rail 23 is arranged on the opposite surface in the mounting frame 22, and the third sliding block 24 is slidably arranged on the On the third slide rail 23, the installation base plate 28 is horizontally mounted in the installation frame 22, the central installation rod 26 is fixed on the middle part of the installation base plate 28, and the spring 25 is sleeved on the center installation On the bar 26, the smoothing block 29 is installed on one side of the moving direction of the third slide block 24, the middle part of the smoothing block 29 is provided with a perforation, and the center mounting rod 26 passes through the perforation, The spring 25 is arranged between the installation base plate 28 and the smoothing block 29, and the limiting block 27 is arranged on opposite ends of the mounting frame 22. The smoothing positioning mechanism in the present invention utilizes the elasticity of the spring The potential energy can reciprocate to smooth and adjust the workpiece, so that when the workpiece is put in at will, the compression and rebound of the spring will smooth and correct the workpiece. The smoothing block 29 is provided with a smoothing rubber pad 30 .

Based on the description of the above embodiments, the present invention provides a flexible machining center fixture for rough milling of the flange surface of the axle housing. The center clamping mechanism can center and fix the workpiece while clamping the workpiece; the hydraulic pressing mechanism of the present invention can realize the pressing effect on the longitudinal direction of the workpiece; the smoothing positioning mechanism in the present invention can utilize the elastic potential energy of the spring to The workpiece is smoothed and adjusted reciprocatingly, so that when the workpiece is placed at will, the spring compresses and rebounds to smooth and adjust the position of the workpiece.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. All should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (9)

1. The utility model provides a flexible machining center anchor clamps of axle housing flange face rough milling, a serial communication port, including anchor clamps installation base (1), anchor clamps installation base (1) fixed mounting is on milling machine table surface, anchor clamps installation base (1) is equipped with relative first end (2) and second end (3), just first end (2) hold (3) with the second and go up the slip and be equipped with clamping part, clamping part with connect through locking connecting portion between anchor clamps installation base (1), clamping part be close to relatively/keep away from, realize pressing from both sides tightly/loosen the work piece.

2. The flexible machining center clamp for rough milling of the flange surface of the axle housing according to claim 1 is characterized in that a locking sliding groove (4) is formed in the upper surface of the clamp mounting base (1), the over-locking connecting portion is slidably arranged in the locking sliding groove (4), the locking connecting portion comprises a T-shaped bolt (5) and a nut (6), the head of the T-shaped bolt (5) is slidably clamped in the locking sliding groove (4), the tail of the T-shaped bolt (5) is connected with the clamping portion, and the nut (6) is in threaded connection with the T-shaped bolt (5).

3. The flexible machining center clamp for the rough milling of the flange face of the axle housing according to claim 1 is characterized in that the clamping portion comprises a sliding rail (7), a sliding block (8), clamping plates (9), a support (10), a bearing plate (11) and a mounting plate (12), the sliding rail (7) is arranged on the clamp mounting base (1), the sliding block (8) is slidably mounted on the sliding rail (7), the bearing plate (11) is fixedly mounted on the sliding block (8), the support (10) is arranged on the bearing plate (11), the mounting plate (12) is arranged on the support (10), the clamping plates (9) are vertically arranged on the mounting plate (12), and the clamping plates (9) are clamped/released in the process of being relatively close to/far away from a workpiece.

4. The flexible machining center clamp for rough milling of the flange face of the axle housing according to claim 3, is characterized in that, the mounting plate (12) is provided with a hydraulic centering clamping mechanism, the center of the mounting plate (12) is dug through, the hydraulic centering and clamping mechanism comprises a centering clamping plate (13), a second slide rail (14), a second slide block (15), a connecting piece (16) and a hydraulic telescopic cylinder (17), the hydraulic telescopic cylinder (17) is arranged on the carrying plate (11), the opposite surface of the clamping plate (9) is provided with the second slide block (15), the mounting plate (12) is provided with the second sliding block (15), the second slide rail (14) is connected with the second slide block (15) in a sliding way, the second slide rail (14) is arranged on the centering and clamping plate (13), notches are arranged on any side of the centering and clamping plate (13), and the centering and clamping plate (13) is opposite to the notch between the centering and clamping plates (13), one end of the connecting sheet (16) is connected with the centering clamping plate (13), the other end of the connecting sheet passes through the center hole of the mounting plate (12) and is connected with the output end of the hydraulic telescopic cylinder (17), the centering clamping plate (13) and the centering clamping plate (13) are close to/far away from each other through the driving of a hydraulic telescopic cylinder (17), and the centering clamping/loosening of the workpiece is realized.

5. The flexible machining center clamp for rough milling of the flange faces of the axle housing according to claim 1 is characterized in that hydraulic pressing mechanisms are arranged on two side edges of the middle position of the clamp mounting base (1), each hydraulic pressing mechanism comprises a support block (18), a second hydraulic telescopic cylinder (19) and a pressing plate (20), a plurality of support blocks (18) are arranged on the two side edges of the middle position of the clamp mounting base (1), the second hydraulic telescopic cylinders (19) are arranged on the support blocks (18), and the pressing plates (20) are mounted at the output ends of the second hydraulic telescopic cylinders (19).

6. The flexible machining center clamp for rough milling of the flange face of the axle housing according to claim 5 is characterized in that a rubber pad is arranged on the contact face of the pressing plate (20) and a workpiece.

7. The flexible machining center clamp for the rough milling of the flange face of the axle housing according to claim 5 is characterized in that a pneumatic tensioning mechanism (21) is arranged between the hydraulic pressing mechanisms.

8. The flexible machining center clamp for rough milling of the flange surface of the axle housing is characterized in that a flattening positioning mechanism is arranged in the middle of the clamp mounting base (1), the flattening positioning mechanism comprises a mounting frame (22), a third sliding rail (23), a third sliding block (24), a spring (25), a center mounting rod (26), a limiting block (27), a mounting bottom plate (28) and a flattening block (29), the third sliding rail (23) is arranged on an opposite surface in the mounting frame (22), the third sliding block (24) is arranged on the third sliding rail (23) in a sliding mode, the mounting bottom plate (28) is transversely erected in the mounting frame (22), the center mounting rod (26) is fixedly arranged in the middle of the mounting bottom plate (28), the spring (25) is arranged on the center mounting rod (26) in a sleeved mode, the flattening block (29) is arranged on one side of the third sliding block (24) in the moving direction, a through hole is formed in the middle of the flattening block (29), the center mounting rod (26) penetrates through hole, and two ends of the mounting bottom plate (29) are arranged between the mounting frame (22) and the limiting block (27).

9. The flexible machining center clamp for rough milling of the flange face of the axle housing is characterized in that a smoothing rubber pad (30) is arranged on the smoothing block (29).

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