CN217371260U

CN217371260U - Press mounting device for gearbox shell bushing

Info

Publication number: CN217371260U
Application number: CN202221116218.XU
Authority: CN
Inventors: 齐远东; 张升芳; 李全顺; 周大才; 孙应钦; 相晓峰; 孟维林; 毛华富; 杨平; 傅立功; 陶克崇
Original assignee: Ningbo Xusheng Auto Technology Co Ltd
Current assignee: Ningbo Xusheng Group Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-06
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a gearbox housing bush pressure equipment device, this gearbox housing bush pressure equipment device, including the pressure equipment portion that can carry out the pressure equipment to the bushing from bottom to top, this pressure equipment portion is including the stiff end that is located the downside and being located the upside and can be relative the pressure equipment end that the stiff end removed, a serial communication port, pressure equipment end top department is equipped with the pressure head that can supply the bush to place, and is equipped with on this pressure head and can fix a position the location portion of bush, the afterbody department of stiff end still is equipped with can be spacing the stop device that the pressure equipment end removed, this stop device enable the pressure equipment end to shift to set for position department and spacing, compare with prior art, the utility model has the advantages of: through the pressure head that sets up at pressure equipment portion pressure equipment end top, establish the location portion in this pressure head and set up at pressure equipment portion stiff end afterbody and can spacing pressure equipment end moving stop device, make the radial angle and the pressure equipment degree of depth of bush accurate control in the pressure equipment process, still very big improvement the goodness rate when improving work efficiency.

Description

Press mounting device for gearbox shell bushing

Technical Field

The utility model belongs to the processing equipment field, concretely relates to gearbox housing bush pressure equipment device.

Background

The gearbox is an important part operated by an automobile, when the gearbox is arranged on an automobile body, the main shaft needs to be assembled through the fixing hole, parts are abraded due to long-term friction in the using process, the parts need to be replaced when the gap between the shaft and the hole is abraded to a certain degree, in order to guarantee the assembling reliability, a shaft sleeve or a bush is often required to be additionally arranged in the fixing hole, so that the abrasion of the shaft and a seat can be reduced, when the shaft sleeve or the bush is abraded to a certain degree, the cost for replacing the shaft or the seat can be saved, and the importance of the bush installation on the gearbox can be seen.

The installation of the bushing is usually carried out manually at present, so that the efficiency is low, the qualification rate cannot be guaranteed, and for the situation, a Chinese patent invention with the application number of ZL201110417254.X (with the application publication number of 102528430A) discloses a pressing machine for fixing the bushing of the automobile gearbox, which comprises an air cylinder, a rack, a multi-stage pressing part and a fixing jig, wherein the rack comprises an upper top plate, a base plate and supporting columns supported between the upper top plate and the base plate, the cylinder barrel of the air cylinder is fixed above the upper top plate, a piston rod of the air cylinder penetrates through the upper top plate to extend downwards, the multi-stage pressing part is arranged between the upper top plate and the base plate and is fixedly connected with the pressing end of the piston rod of the air cylinder, the fixing jig is fixed on the upper surface of the base plate, and the multi-stage pressing part is provided with a pressing head. The invention can effectively realize the automation of the bushing installation to a certain extent, so that the bushing installation is rapid and simple, and has the defects that the press fitting depth of the bushing cannot be accurately controlled in the installation process of the bushing, the phenomenon of excessive press fitting exists, and the radial angle of the bushing relative to a fixing hole of a gearbox shell cannot be effectively controlled in the installation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a gearbox housing bush pressure equipment device that is favorable to control bush pressure equipment degree of depth is provided to above-mentioned technical current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this gearbox casing bush pressure equipment device, including can carry out the pressure equipment portion of pressure equipment from bottom to top to the bushing, this pressure equipment portion is including the stiff end that is located the downside and being located the upside and can be relative the pressure equipment end that the stiff end removed, its characterized in that, pressure equipment end top department is equipped with the pressure head that can supply the bush to place, and is equipped with on this pressure head and can fix a position the location portion of bush, the afterbody department of stiff end still is equipped with can be spacing the stop device that pressure equipment end removed, this stop device enable the pressure equipment end to be moved to set for position department and by spacing.

In order to better position the bushing in the pressing head, preferably, the upper end surface of the pressing head is provided with an accommodating chamber capable of accommodating at least part of the bushing, and the positioning portion is a positioning column which is arranged in the accommodating chamber and can be inserted into a key groove of the bushing. The positioning column can be correspondingly inserted into a key groove formed in the lining, so that the radial angle of the lining relative to a fixing hole of the gearbox shell is controlled.

In order to enable the bushing in the pressure head to better move for limitation, further, the limiting device comprises a limiting flange and a moving column, the lower end of the moving column is connected with the limiting flange, the upper end of the moving column is connected with the tail end of the fixed end from bottom to top, and the press mounting end can simultaneously drive the limiting flange to abut against the lower end face of the fixed end to be limited when being driven to move upwards. The stiff end adopts conventional hydro-cylinder, but in this scheme in order to realize that the lower extreme of removing the post is connected with spacing flange, need be connected the actuating lever downwardly extending of hydro-cylinder with removing the post to make the actuating lever can drive and remove the post and realize reciprocating together with spacing flange at the during operation.

In order to enable the bushing to bear relatively proper thrust in the press mounting process, a pressure sensor for detecting the stress degree of the pressure head is further arranged at the joint of the pressure head and the press mounting end, the pressure sensor can constantly monitor the pressure generated by the pressure head on the bushing, and the pressure head can be prevented from continuously working in time when the pressure is in transition.

In order to monitor the moving position of the bushing constantly and prevent the pressure head from continuously working when the moving position exceeds the preset distance, preferably, a displacement sensor for detecting the moving distance of the press mounting end is arranged on the fixed end, one end of the displacement sensor is fixedly connected with the fixed end, and the other end of the displacement sensor is connected with the limiting flange.

Preferably, a photoelectric detection device is arranged outside the accommodating chamber, the photoelectric detection device can detect whether the lining is placed in place, and when the photoelectric detection device detects that the lining is absent in the pressure head, the press-fitting device is not started.

In order to adapt to the press mounting of the bushings of various types of gearbox housings, the press mounting device preferably further comprises a workbench and a first fixing frame arranged on the lower surface of the workbench and used for mounting the fixing end of the press mounting portion, the workbench is further provided with a through hole through which the press mounting end of the press mounting portion can pass, a limiting head capable of moving from top to bottom relative to the bushing is further arranged on the workbench and opposite to the through hole, and the limiting head can limit the upward movement of the bushing in the press mounting process.

In order to quickly position the target workpiece, further, a limiting part capable of limiting the target workpiece and a clamping part for clamping the target workpiece are further arranged on the upper surface of the workbench in the peripheral area of the through hole, and the mounting position of the bushing of the target workpiece is arranged corresponding to the through hole.

In order to enable the gearbox shell with the bushing pressed and mounted well to be taken and placed more conveniently, preferably, a fixing plate is arranged above the workbench and fixed to the workbench through a connecting column, a driving piece is mounted on the fixing plate, a moving portion of the driving piece is connected with the limiting head, and the limiting head can be abutted to the upper end face of the bushing from top to bottom under the driving of the driving piece.

Compared with the prior art, the utility model has the advantages of: through the pressure head arranged at the top of the press-fitting end of the press-fitting part, the positioning part arranged in the pressure head and the limiting device arranged at the tail part of the fixed end of the press-fitting part and capable of limiting the movement of the press-fitting end, the press-fitting depth of the bush can be accurately controlled in the press-fitting process, and the excellent rate is greatly improved while the working efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of a press-fitting device for a transmission housing bushing according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of the target workpiece after being mounted on the press-mounting device according to the embodiment;

fig. 3 is a schematic perspective view of the retraction of the position limiting head according to the present embodiment;

FIG. 4 is a schematic perspective view of the retraction of the ram of the present embodiment;

FIG. 5 is a perspective view of the driving member of the present embodiment;

FIG. 6 is a schematic perspective view of the press-fitting part in the present embodiment;

fig. 7 is a schematic perspective view of a bushing in accordance with an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in FIGS. 1 to 7, the preferred embodiment of the present invention is shown. The positioning portion and the limiting device 3 to be embodied in this embodiment are mainly disposed on the press-fitting portion 2 capable of press-fitting the bushing 6, specifically, the press-fitting portion 2 includes a fixing end 21 located on the lower side and a press-fitting end 22 located on the upper side and capable of moving relative to the fixing end 21, a press head 221 capable of placing the bushing 6 is disposed at the top of the press-fitting end 22, and a positioning portion capable of positioning the bushing 6 is disposed on the press head 221, a containing chamber 222 capable of containing at least a part of the bushing 6 is disposed on the upper end surface of the press head 221, in this embodiment, the positioning portion is a positioning column 223 disposed in the containing chamber 222 and capable of being inserted into the keyway 61 of the bushing 6, the limiting device 3 capable of limiting the movement of the press-fitting end 22 is further disposed at the tail portion of the fixing end 21, and the limiting device 3 is capable of limiting the press-fitting end 22 moving to a set position. The limiting device 3 comprises a limiting flange 32 and a movable column 31, the lower end of the movable column 31 is connected with the limiting flange 32, the upper end of the movable column is connected with the tail end of the fixed end 21 from bottom to top, the press-fitting end 22 can drive the limiting flange 32 to abut against the lower end face of the fixed end 21 and then be limited when driven to move upwards, the fixed end 21 can adopt a conventional oil cylinder, a driving rod of the oil cylinder extends downwards to be connected with the movable column 31, and therefore the driving rod can drive the limiting flange 32 on the movable column 31 to move upwards and downwards when working again.

As shown in fig. 1 to 4, in this embodiment, the pressing device further includes a working table 7 and a first fixing frame 73 disposed at a lower side of the working table 7 and used for installing a fixing end 21 of the pressing portion 2, a through hole 9 for passing the pressing end 22 is further formed in the working table 7, the pressing portion 2 is installed on the first fixing frame 73 through the fixing end 21, and the pressing end 22 passes through the through hole 9 in the working table 7 from bottom to top, so as to drive the pressing head 221 at the top of the pressing end 22 to move upward. The upper surface of the workbench 7 is also provided with a limiting part 4 capable of limiting the target workpiece 8 and a clamping part 5 for clamping the target workpiece 8, a limiting head 11 capable of limiting the upward movement of the bushing 6 is also arranged above the workbench 7, and the specific installation mode of the limiting head 11 is as follows: the upper surface of the workbench 7 is connected with a second fixing frame 71 for fixing the limiting head 11, the second fixing frame 71 comprises a fixing plate 711 parallel to the workbench 7 and a connecting column 712 for connecting the fixing plate 711 with the workbench 7, the fixing plate 711 is fixed with the workbench 7 through the connecting column 712, a driving part 1 is mounted on the fixing plate 711, a moving part of the driving part 1 is connected with the limiting head 11, and the limiting head 11 can be pressed against the upper end surface of the bushing 6 from top to bottom under the driving of the driving part 1.

As shown in fig. 6, a pressure sensor 224 is further disposed at the connection between the pressing head 221 and the pressing end 22, and the pressure sensor 224 can constantly monitor the pressure generated by the pressing head 221 on the bushing 6 and can timely prevent the pressing head 221 from operating during pressure transition. The fixed end 21 is provided with a displacement sensor 25, one end of the displacement sensor 25 is fixedly connected with the fixed end 21, the other end of the displacement sensor 25 is connected with the limiting flange 3, the displacement sensor 25 can also monitor the moving distance of the limiting flange 32 constantly, and when the moving distance exceeds the preset distance, the pressure head 221 can be prevented from continuously working in time. A photoelectric detection device 223 is also arranged outside the containing chamber 222, the photoelectric detection device 223 can detect whether the lining 6 is placed in place, and when the photoelectric detection device 223 detects that the lining 6 is absent in the pressure head 221, the press fitting device is not started.

To sum up, the press fitting process of the press fitting of the gearbox shell bushing is as follows: firstly, placing the bush 6 in the accommodating chamber 222 on the upper end surface of the pressing head 221, positioning the bush 6, then placing the target workpiece 8 on the workbench 7 according to a set position, fastening the target workpiece 8 by using the clamping part 5 on the workbench 7, then moving the limiting head 11 on the moving part of the driving piece 1 downwards to the set position, wherein the limiting head 11 is just positioned at the upper side of the fixing hole of the target workpiece 8, and finally, starting equipment to enable the pressing head 221 of the pressing end 22 of the pressing part 2 to push the bush 6 to be pressed into the fixing hole of the gearbox shell to finish the pressing process.

Claims

1. The utility model provides a gearbox housing bush pressure equipment device, is including pressure equipment portion (2) that can carry out the pressure equipment to bush (6) from bottom to top, and this pressure equipment portion (2) are including stiff end (21) that are located the downside and lie in the upside and can be relative pressure equipment end (22) that stiff end (21) removed, its characterized in that, pressure equipment end (22) top department is equipped with pressure head (221) that can supply bush (6) to place to be equipped with on this pressure head (221) and can fix a position the location portion of bush (6), the afterbody department of stiff end (21) still is equipped with can be spacing stop device (3) that pressure equipment end (22) removed, this stop device (3) can make pressure equipment end (22) move to set for position department and by spacing.

2. The gearbox housing bushing press-fitting device according to claim 1, wherein a receiving chamber (222) for receiving at least a part of the bushing (6) is formed in an upper end surface of the pressing head (221).

3. The gearbox housing bushing press-fitting device according to claim 2, wherein the limiting device (3) comprises a limiting flange (32) and a moving column (31), the lower end of the moving column (31) is connected with the limiting flange (32), the upper end of the moving column is connected with the tail end of the fixed end (21), and the press-fitting end (22) can drive the limiting flange (32) to abut against the lower end face of the fixed end (21) and be limited when being driven to move upwards.

4. The gearbox housing bushing press-fitting device according to claim 3, characterized in that a pressure sensor (224) for detecting the stress degree of the press-fitting head (221) is further arranged at the joint of the press-fitting head (221) and the press-fitting end (22).

5. The gearbox housing bushing press-fitting device according to claim 4, wherein a displacement sensor (211) for detecting the moving distance of the press-fitting end (22) is arranged on the fixing end (21), one end of the displacement sensor (211) is connected with the fixing end (21), and the other end of the displacement sensor is connected with the limiting flange (32).

6. A gearbox housing bush press-fitting device according to claim 4, characterised in that a photoelectric detection device (225) is arranged outside the accommodating chamber (222), and the photoelectric detection device (225) can detect whether the bush (6) is put in place.

7. A transmission housing bushing press-fitting device according to any one of claims 1 to 6, wherein: still including workstation (7) and set up the lower surface of this workstation (7) and supply first mount (73) of stiff end (21) installation of pressure equipment portion (2), still set up on workstation (7) and supply through-hole (9) that pressure equipment end (22) of pressure equipment portion (2) passed, workstation (7) are gone up relatively the position of through-hole (9) still is provided with spacing head (11) that can move from top to bottom relative bush (6), spacing head (11) can restrict moving up that bush (6) took place in the pressure equipment process.

8. A transmission housing bushing press-fitting device according to claim 7, wherein: the upper surface of the workbench (7) is also provided with a limiting part (4) capable of limiting a target workpiece (8) and a clamping part (5) for clamping the target workpiece (8) in the peripheral area of the through hole (9), and the mounting position of the bushing (6) of the target workpiece (8) is arranged corresponding to the through hole (9).

9. A transmission housing bushing press-fitting device according to claim 8, wherein: the upper surface of workstation (7) is connected with and is used for fixing second mount (71) of spacing head (11), second mount (71) including with fixed plate (711) and connection fixed plate (711) that workstation (7) are parallel with spliced pole (712) of workstation (7), install driving piece (1) on fixed plate (711), the removal portion of this driving piece (1) with spacing head (11) are connected, spacing head (11) are in under the drive of driving piece (1) can top-down with the up end of bush (6) offsets.