CN112643577A

CN112643577A - Combined clamp for bearing bush machining

Info

Publication number: CN112643577A
Application number: CN202011466249.3A
Authority: CN
Inventors: 吉先跃; 吉利; 张金霞
Original assignee: Zaoyang Ndiji Auto Parts Co ltd
Current assignee: Zaoyang Ndiji Auto Parts Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-04-13
Anticipated expiration: 2040-12-14
Also published as: CN112643577B

Abstract

The invention discloses a combined clamp for machining a bearing bush, which belongs to the technical field of bearing bush machining and comprises a bottom plate and an operation frame, wherein two elastic assemblies are arranged on the upper surface and the lower surface of the operation frame, positioning connecting plates are arranged at the opposite ends of the elastic assemblies on the upper side and the lower side, and the left side surface of the operation frame is fixedly connected with the right side surface of a supporting frame. This modular fixture is used in axle bush processing, through setting up rubber contact block, the connecting rod, the magnetic sheet, first connecting groove, second connecting groove and location link board, the completion is fixed rubber contact block position, can control first electronic hydraulic stem drive carriage and axle bush and carry out the centre gripping left this moment, this device can carry out the extrusion of different degrees to rubber contact block according to different axle bush sizes, guarantee the orbit that rubber contact block formed and the appearance adaptation of axle bush, can be applicable to the axle bush centre gripping of multiple size to a certain extent, guarantee that this device is applicable to multiple size axle bush and carry out the outrigger to it.

Description

Combined clamp for bearing bush machining

Technical Field

The invention belongs to the technical field of bearing bush machining, and particularly relates to a combined clamp for bearing bush machining.

Background

The bearing bush is the part of the sliding bearing contacted with the shaft neck, is in the shape of a tile-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, and can be made of wood, engineering plastics or rubber under special conditions.

The axle bush is the semicylinder, and it is the clamp cover that adopts the same size with the axle bush to carry out the centre gripping to it mostly to current clamping device, but it has following shortcoming:

(1) if the bearing bushes with different sizes are clamped and positioned, the bearing bushes are not attached to the clamping device, the positioning and supporting effects of the clamping device on the bearing bushes are not ideal, and the bearing bushes are deformed due to the fact that the supporting effects are not ideal in the machining process;

(2) the processing procedure outside the bearing bush arc is directly pressed, the operation is convenient, the two side faces of the bearing bush are clamped by the conventional clamping device, so that the two side faces are blocked by a large area, and the processing procedure of the arc inner face is inconvenient, so that the combined clamp for processing the bearing bush is needed.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects in the prior art, the invention provides a combined clamp for machining a bearing bush, which solves the problems that the existing clamping device for the bearing bush is not attached to the bearing bush with various sizes when clamping the bearing bush with various sizes, even the bearing bush is deformed in the machining process, and the machining of the arc inner surface of the bearing bush is easily shielded and influenced by a large area.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a modular fixture is used in bearing bush processing, includes bottom plate and operation frame, the upper surface of operation frame all is provided with two elastic component with following table, both sides from top to bottom the one end that elastic component is relative all is provided with the even board of location, the left surface of operation frame and the right flank fixed connection of carriage, the right flank of carriage is provided with a plurality of adapter sleeves.

The connecting sleeve is internally provided with a connecting rod, the upper side and the lower side of the connecting rod are provided with a first connecting groove and a second connecting groove, and the upper surface of the bottom plate is provided with a left vertical frame.

The upper surface of the inner wall of the left vertical frame is provided with four second electric hydraulic rods, the bottoms of the two left second electric hydraulic rods are provided with left vertical plates, the bottoms of the two right second electric hydraulic rods are provided with right vertical plates, and the left side surfaces of the left vertical plates and the left side surfaces of the two right vertical plates are fixedly connected through two horizontal rods.

As a further scheme of the invention: the elastic assembly comprises a guide sleeve, the guide sleeve is clamped on the upper surface of the operation frame, a guide rod is arranged in the guide sleeve, the top end of the guide rod is fixedly connected with the lower surface of the control panel, the bottom end of the guide rod is fixedly connected with the upper surface of the positioning connecting plate, a spring is arranged on the outer surface of the guide rod, and two ends of the spring are fixedly connected with the guide sleeve and the positioning connecting plate in the opposite direction respectively.

As a further scheme of the invention: the upper surface and the lower surface of operation frame all are provided with the supporting shoe, the right flank of supporting shoe and the left end fixed connection of first electronic hydraulic stem, the right-hand member of first electronic hydraulic stem and the left surface fixed connection of riser, the lower surface of riser and the upper surface fixed connection of bottom plate.

As a further scheme of the invention: the upper surface of bottom plate has seted up the spout, the spout inner wall is provided with the slider, the upper surface of slider and the lower fixed surface of carriage are connected, the spout sets up to the dovetail.

As a further scheme of the invention: the left end of connecting rod is provided with rubber contact block, the left surface of rubber contact block sets up to the arc, first spread groove is located the right side of second spread groove, the size of first spread groove and second spread groove all with the size looks adaptation of positioning connection board.

As a further scheme of the invention: the right end of the connecting rod is provided with a magnetic block, the right side face of the inner wall of the operation frame is provided with a magnetic plate, and the magnetic block and the magnetic plate are the same in magnetism.

As a further scheme of the invention: the upper surface of bottom plate and the lower fixed surface of rubber pad are connected, and in the same horizontal plane first spread groove is the arc setting, and in the same horizontal plane the second spread groove is the arc setting, the connecting rod sets up to the rectangle.

As a further scheme of the invention: the lower surfaces of the left vertical plate and the right vertical plate are provided with limiting blocks, the lower surface of the inner wall of the left vertical frame is provided with a groove, and the position and the size of each limiting block are matched with the position and the size of the groove respectively.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. this modular fixture is used in axle bush processing, through setting up rubber contact block, the connecting rod, the magnetic sheet, first connecting groove, second spread groove and location link board, the arc outside of direct control axle bush supports rubber contact block and moves right, after axle bush arc outside and rubber contact block fully contacted, the spring drives the location link board and moves to first connecting groove this moment, the completion is fixed to rubber contact block position, can control first electronic hydraulic stem drive carriage and axle bush and carry out the centre gripping left this moment, this device can carry out the extrusion of different degrees to rubber contact block according to different axle bush sizes, guarantee the orbit that rubber contact block formed and the appearance adaptation of axle bush, can be applicable to the axle bush centre gripping of multiple size to a certain extent, guarantee that this device is applicable to multiple size axle bush and carry out the outrigger to it.

2. This modular fixture is used in axle bush processing, through setting up the electronic hydraulic stem of second, left riser, right riser and horizontal pole, can make up into hollow frame structure between left riser and the horizontal pole, left side riser and right riser size are different, the electronic hydraulic stem of second can control left riser or right riser downstream respectively, can control different frames and remove to axle bush department, consequently, can realize the support to the not unidimensional axle bush left surface, frame structure can not cause the sheltering from when supporting the axle bush simultaneously, make things convenient for the direct processing operation of staff counter shaft bush arc inner face.

3. This modular fixture is used in axle bush processing through setting up stopper and recess, when the stopper removed to the recess in, can support left riser downside position, avoids the bearing bush centre gripping in-process left riser bottom the slope condition to appear, guarantees left riser and right riser and to the left stable stay of axle bush.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the top view of the operation frame of the present invention;

FIG. 3 is a schematic top sectional view of the left standing frame of the present invention;

FIG. 4 is a left side view of the left riser of the present invention;

FIG. 5 is a schematic view of a cross-sectional structure of the chute of the present invention viewed from the right;

FIG. 6 is a schematic structural diagram of the connecting sleeve of the present invention viewed from the right;

FIG. 7 is a front view of the elastic assembly of the present invention;

in the figure: 1 bottom plate, 2 operation frames, 3 supporting shoes, 4 first electronic hydraulic stem, 5 risers, 6 elastic component, 61 guide bars, 62 control panels, 63 uide bushing, 64 springs, 7 location link boards, 8 braced frames, 9 sliders, 10 spouts, 11 adapter sleeves, 12 connecting rods, 13 first connecting grooves, 14 second connecting grooves, 15 rubber contact blocks, 16 magnetic blocks, 17 rubber pads, 18 left standing frames, 19 grooves, 20 second electronic hydraulic stem, 21 left standing boards, 22 right standing boards, 23 rubber strips, 24 horizontal poles, 25 limiting blocks, 26 magnetic plates.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 7, the present invention provides a technical solution: the utility model provides a modular fixture is used in bearing bush processing, including bottom plate 1 and operation frame 2, the upper surface of operation frame 2 all is provided with two elastic component 6 with following the table, the one end that upper and lower both sides elastic component 6 is relative all is provided with location even board 7, through setting up location even board 7, location even board 7 removes to in first spread groove 13 and the second spread groove 14, the position and the location to a plurality of connecting rods 12 are convenient, avoid connecting rod 12 and rubber contact piece 15 to appear rocking about random, guarantee the stable placing of rubber contact piece 15, the left surface of operation frame 2 and the right flank fixed connection of carriage 8, the right flank of carriage 8 is provided with a plurality of adapter sleeves 11, through setting up adapter sleeve 11, can guarantee the smooth removal of connecting rod 12.

The connecting rods 12 are arranged in the connecting sleeves 11, the first connecting grooves 13 and the second connecting grooves 14 are formed in the back faces of the connecting rods 12 on the upper side and the lower side, the first connecting grooves 13 and the second connecting grooves 14 on the same horizontal plane form arcs with different radiuses and can be used for bearing bushes with different sizes, and the upper surface of the bottom plate 1 is provided with a left vertical frame 18.

The upper surface of the inner wall of the left upright frame 18 is provided with four second electric hydraulic rods 20, the left upright plate 21 and the right upright plate 22 can be respectively controlled to move up and down by arranging the second electric hydraulic rods 20, the left upright plate 21 or the right upright plate 22 can be conveniently selected according to the size of a bearing bush, the bottom ends of the two second electric hydraulic rods 20 on the left side are respectively provided with the left upright plate 21, the bottom ends of the two second electric hydraulic rods 20 on the right side are respectively provided with the right upright plate 22, the left sides of the two left upright plates 21 and the two right upright plates 22 are fixedly connected through the two cross rods 24, the distance between the two left upright plates 21 is larger than the distance between the two right upright plates 22 by arranging the left upright plate 21, the right upright plate 22 and the cross rods 24, so that the left support for bearing bushes with different sizes can be suitable for left support, meanwhile, the cross rods 24 and the two left upright plates 21, the inner surface of the bearing bush can be conveniently machined from the left side.

Specifically, as shown in fig. 7, the elastic assembly 6 includes a guide sleeve 63, the guide sleeve 63 is clamped on the upper surface of the operation frame 2, a guide rod 61 is arranged in the guide sleeve 63, the top end of the guide rod 61 is fixedly connected with the lower surface of the control plate 62, the bottom end of the guide rod 61 is fixedly connected with the upper surface of the positioning connecting plate 7, through the arrangement of the guide rod 61 and the guide sleeve 63, the positioning connecting plate 7 can be conveniently controlled by a worker to move up and down, the situation that the positioning connecting plate 7 obstructs the movement of the connecting rod 12 is avoided, the spring 64 is arranged on the outer surface of the guide rod 61, through the arrangement of the spring 64, when the control plate 62 is released, the spring 64 can control the positioning connecting plate 7 to automatically move into the first connecting groove 13, meanwhile, the situation that the positioning connecting plate 7 is randomly shaken to be separated from the first connecting groove 13 can be avoided, and two ends of the spring 64 are respectively and fixedly connected with the guide sleeve 63 and the positioning connecting plate 7 in opposite directions.

Specifically, as shown in fig. 1, the upper surface and the lower surface of the operation frame 2 are both provided with a support block 3, the right side surface of the support block 3 is fixedly connected with the left end of a first electric hydraulic rod 4, the support frame 8 can be controlled to move left and right by arranging the first electric hydraulic rod 4, the clamping process of the bearing bush is conveniently realized, the right end of the first electric hydraulic rod 4 is fixedly connected with the left side surface of a vertical plate 5, the lower surface of the vertical plate 5 is fixedly connected with the upper surface of a bottom plate 1, the lower surfaces of a left vertical plate 21 and a right vertical plate 22 are both provided with a limit block 25, the lower surface of the inner wall of the left vertical frame 18 is provided with a groove 19, the position and the size of the limit block 25 are respectively matched with the position and the size of the groove 19, by arranging the limit block 25 and the groove 19, when the limit block 25 moves into the groove 19, the lower side position of the, the left vertical plate 21 and the right vertical plate 22 are ensured to support the left side of the bearing bush stably.

Specifically, as shown in fig. 1 and 6, the upper surface of the bottom plate 1 is provided with a sliding groove 10, the inner wall of the sliding groove 10 is provided with a sliding block 9, the upper surface of the sliding block 9 is fixedly connected with the lower surface of the supporting frame 8, the sliding groove 10 is arranged in a dovetail shape, the sliding block 9 and the sliding groove 10 are arranged in the dovetail shape, the sliding block 9 and the supporting frame 8 can be prevented from shaking up and down, and the supporting frame 8 is guaranteed to move left and right without shaking in an inclined mode.

Specifically, as shown in fig. 2, the left end of the connecting rod 12 is provided with the rubber contact block 15, the left side surface of the rubber contact block 15 is arc-shaped, and through the rubber contact block 15, the friction between the rubber contact block 15 and the bearing bush can be increased, so that the bearing bush is ensured to be not easily scratched by the rubber contact block 15, the first connecting groove 13 is located on the right side of the second connecting groove 14, and the sizes of the first connecting groove 13 and the second connecting groove 14 are matched with the size of the positioning connecting plate 7.

Specifically, as shown in fig. 2, the magnetic block 16 is disposed at the right end of the connecting rod 12, and by disposing the magnetic block 16 and the magnetic plate 26, and the magnetic block 16 and the magnetic plate 26 have the same magnetism, after the bearing bush is machined and separated from the rubber contact block 15, the connecting rod 12 can be controlled by magnetic force to move leftward to reset, the magnetic plate 26 is disposed on the right side surface of the inner wall of the operation frame 2, and the magnetic block 16 and the magnetic plate 26 have the same magnetism.

Specifically, as shown in fig. 1, fig. 5 and fig. 2, the upper surface of bottom plate 1 and the lower fixed surface of rubber pad 17 are connected, first connecting groove 13 is the arc setting in the same horizontal plane, be the arc setting through setting up a plurality of first connecting grooves 13 in the same horizontal plane, guarantee that the axle bush pushes up behind the rubber contact piece 15, a plurality of first connecting grooves 13 are the straight line, conveniently even board 7 contact with the location, second connecting groove 14 is the arc setting in the same horizontal plane, connecting rod 12 sets up to the rectangle, be the rectangle through setting up connecting rod 12, can avoid connecting rod 12 to appear rotatoryly, guarantee that first connecting groove 13 and second connecting groove 14 are even board 7 positions are corresponding with the location after removing.

The working principle of the invention is as follows:

s1, when the device needs to be used, firstly, the control plate 62 is pulled, when the guide rod 61 and the positioning connecting plate 7 move to a position not right to the connecting rod 12, the arc-shaped outer surface of the bearing bush is used for contacting the rubber contact block 15, the bearing bush is controlled to rightwards abut against the rubber contact block 15, and then the rubber contact block 15 is in full contact with the bearing bush;

s2, after the first connecting groove 13 moves to the position corresponding to the positioning connecting plate 7, the control plate 62 is loosened, meanwhile, the spring 64 drives the positioning connecting plate 7 to move to the first connecting groove 13, then the second electric hydraulic rod 20 is controlled to drive the left vertical plate 21 to move downwards, and when the limiting block 25 moves to the groove 19;

and S3, controlling the second electro-hydraulic rod 20 to stop working at the moment, driving the operation frame 2 and the bearing bush to move leftwards by the first electro-hydraulic rod 4, and controlling the first electro-hydraulic rod 4 to stop working after the bearing bush is contacted with the left vertical plate 21, so that the clamping process of the bearing bush is completed at the moment.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a modular fixture is used in bearing bush processing, includes bottom plate (1) and operation frame (2), its characterized in that: the upper surface and the lower surface of the operation frame (2) are respectively provided with two elastic components (6), one ends of the upper side and the lower side, which are opposite to the elastic components (6), are respectively provided with a positioning connecting plate (7), the left side surface of the operation frame (2) is fixedly connected with the right side surface of the supporting frame (8), and the right side surface of the supporting frame (8) is provided with a plurality of connecting sleeves (11);

a connecting rod (12) is arranged in the connecting sleeve (11), a first connecting groove (13) and a second connecting groove (14) are formed in the opposite surfaces of the connecting rod (12) on the upper side and the lower side, and a left vertical frame (18) is arranged on the upper surface of the bottom plate (1);

the upper surface of the inner wall of the left upright frame (18) is provided with four second electric hydraulic rods (20), the bottom ends of the two second electric hydraulic rods (20) on the left side are provided with left upright plates (21), the bottom ends of the two second electric hydraulic rods (20) on the right side are provided with right upright plates (22), and the left side surfaces of the left upright plates (21) and the two right upright plates (22) are fixedly connected through two transverse rods (24).

2. The modular fixture for machining bearing bushes of claim 1, wherein: elastic component (6) include uide bushing (63), uide bushing (63) joint is at the upper surface of operation frame (2), be provided with guide bar (61) in uide bushing (63), the top of guide bar (61) is connected with the lower fixed surface of control panel (62), the bottom of guide bar (61) is connected with the last fixed surface of location even board (7), the surface of guide bar (61) is provided with spring (64), the both ends of spring (64) are connected with uide bushing (63) and location even board (7) to opposite fixed connection respectively.

3. The modular fixture for machining bearing bushes of claim 1, wherein: the upper surface and the lower surface of operation frame (2) all are provided with supporting shoe (3), the right flank of supporting shoe (3) and the left end fixed connection of first electronic hydraulic stem (4), the right-hand member of first electronic hydraulic stem (4) and the left surface fixed connection of riser (5), the lower surface of riser (5) and the upper surface fixed connection of bottom plate (1).

4. The modular fixture for machining bearing bushes of claim 1, wherein: the upper surface of bottom plate (1) has been seted up spout (10), spout (10) inner wall is provided with slider (9), the upper surface of slider (9) and the lower fixed surface of carriage (8) are connected, spout (10) set up to the dovetail.

5. The modular fixture for machining bearing bushes of claim 1, wherein: the left end of connecting rod (12) is provided with rubber contact piece (15), the left surface of rubber contact piece (15) sets up to the arc, first spread groove (13) are located the right side of second spread groove (14), the size of first spread groove (13) and second spread groove (14) all with the size looks adaptation of location even board (7).

6. The modular fixture for machining bearing bushes of claim 1, wherein: the right end of the connecting rod (12) is provided with a magnetic block (16), the right side face of the inner wall of the operating frame (2) is provided with a magnetic plate (26), and the magnetic block (16) and the magnetic plate (26) are the same in magnetism.

7. The modular fixture for machining bearing bushes of claim 1, wherein: the upper surface of bottom plate (1) and the lower fixed surface of rubber pad (17) are connected, and in the same horizontal plane first spread groove (13) are the arc setting, and in the same horizontal plane second spread groove (14) are the arc setting, connecting rod (12) set up to the rectangle.

8. The modular fixture for machining bearing bushes of claim 1, wherein: the lower surfaces of the left vertical plate (21) and the right vertical plate (22) are respectively provided with a limiting block (25), the lower surface of the inner wall of the left vertical frame (18) is provided with a groove (19), and the position and the size of the limiting block (25) are respectively matched with the position and the size of the groove (19).