CN216370992U

CN216370992U - Control arm assembly quality

Info

Publication number: CN216370992U
Application number: CN202122923990.4U
Authority: CN
Inventors: 刘会莹; 朱利利; 徐伟; 王雅辉; 赵爽
Original assignee: CITIC Dicastal Co Ltd
Current assignee: CITIC Dicastal Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-26
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to a control arm assembling device which comprises a rack, a clamp bottom plate, a control arm clamping assembly, a bushing press-fitting assembly and a threaded steel bushing press-fitting assembly, wherein the clamp bottom plate is arranged at the bottom of the rack; the threaded steel sleeve press-fitting assembly comprises a workbench and a bolt-screwing wrench, the workbench is mounted at the top of the rack and can slide relative to the rack, and the bolt-screwing wrench is mounted on the workbench; according to the utility model, the symmetrical positioning of the left part and the right part of the control arm can be realized through one set of control arm clamping assembly, and meanwhile, one set of press-mounting assembly can simultaneously meet the press-mounting and screw-connecting work of the left part control arm and the right part control arm, so that the station integration is realized, the space utilization rate is improved, the structure is reasonable, the process is advanced, and the adjustment is flexible.

Description

Control arm assembly quality

Technical Field

The utility model relates to the technical field of press fitting and screw connection, in particular to a control arm assembling device.

Background

The control arm is one of important spare part on the car, other chassis spare such as knuckle, sub vehicle frame are being connected, the control arm is mated symmetry product, divide into left part and right part, in manufacturing, need consider the compatibility of equipment, both will satisfy the production of left part, will satisfy the production of right part again, and equipment structure will be simple, the adjustment will be nimble, the investment is little, the control arm needs pressure equipment bush and wrong screw steel bushing, this patent is based on this current situation, a control arm assembly quality is provided, can satisfy the pressure equipment spiro union work of left part control arm and right part control arm simultaneously, rational in infrastructure, advanced technology, the adjustment is nimble.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a control arm assembling device which can simultaneously meet the press-fitting and screw-connecting work of a left control arm and a right control arm, and has the advantages of reasonable structure, advanced process and flexible adjustment.

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

a control arm assembling device comprises a rack, a clamp bottom plate, a control arm clamping assembly, a bushing press-fitting assembly and a threaded steel bushing press-fitting assembly, wherein the clamp bottom plate is arranged at the bottom of the rack; the threaded steel sleeve press-fitting assembly comprises a workbench and a bolt screwing wrench, the workbench is mounted at the top of the rack and can slide relative to the rack, and the bolt screwing wrench is mounted on the workbench.

In some embodiments, the control arm clamping assembly comprises a left control arm clamp and a right control arm clamp which are symmetrically distributed on the clamp base plate, the control arm clamp comprises a positioning support column arranged on the clamp base plate, a cylindrical pin, a diamond-shaped pin and a pressing claw, and the pressing claw is arranged on the positioning support column.

In some embodiments, the positioning support columns are three corresponding to the positioning points of the workpiece, and 1 of each of the cylindrical pins and the diamond pins is used for angular positioning.

In some embodiments, the bushing press-fitting assembly further comprises a sleeve, a fixing block and a second cylinder, the fixing block is mounted on the symmetry axis of the left control arm clamp and the right control arm clamp, the second cylinder is connected to the fixing block, the output end of the second cylinder is connected to the sleeve, the sleeve is connected to the fixing block through a guide post, and the positioning pin is sleeved in the sleeve.

In some embodiments, a guide pin is installed in the sleeve, the guide pin is inserted into the positioning pin, a spring is sleeved on the outer side of the guide pin, and the spring is connected with the inner wall of the sleeve and the positioning pin.

In some embodiments, the outer wall of the positioning pin is in clearance fit with the inner wall of the sleeve, and the inner hole of the positioning pin is in clearance fit with the guide pin.

In some embodiments, the bushing press-fitting assembly further comprises a slide, a press, a first cylinder; the slide block is fixed on the frame base through a guide rail, the press machine is installed on the slide block, the press head is driven by the press machine, the bushing sleeve is arranged on the press head, the first air cylinder is fixed on the frame base, and the output end of the first air cylinder is connected with the slide block.

In some embodiments, the threaded steel sleeve press-fitting assembly further comprises a lifting table and a third cylinder; the third cylinder is installed on the side wall of the rack, the output end of the third cylinder is connected with the workbench, the workbench is installed at the top of the rack through a sliding rail, the lifting platform is connected with the workbench through an upper guide pillar and a fourth cylinder, the lifting platform can move in the vertical direction, and a bolt wrench is installed on the lifting platform.

In some embodiments, a servo motor is installed on the lifting platform, the output end of the servo motor is connected with a bolt wrench through a bearing, the bearing is installed on a bearing seat, the inner wall of the bolt wrench is polygonal, an iron core is installed on the bottom surface of the inner wall, and the iron core is connected with an electromagnetic device.

In some embodiments, the control arm assembly apparatus further comprises a display capable of displaying press-fit curves and equipment status.

The utility model has the beneficial effects that: the symmetrical positioning of the left part and the right part of the control arm can be realized through one set of control arm clamping assembly, meanwhile, one set of press fitting assembly can simultaneously meet the press fitting and screw connection work of the left part control arm and the right part control arm, the station integration is realized, the space utilization rate is improved, the structure is reasonable, the process is advanced, and the adjustment is flexible.

Drawings

FIG. 1 is a schematic view of a left member of a control arm.

Fig. 2 is a schematic view of a right part of a control arm.

Fig. 3 is a front view of a control arm assembly device of the present invention.

Fig. 4 is a top view of a control arm assembly apparatus of the present invention.

FIG. 5 is a front view of the right member of the control arm assembly apparatus of the present invention press fitting and threading the steel bushing.

FIG. 6 is a top view of the right hand member of a control arm assembly apparatus of the present invention press fitting and threading the steel bushing.

In the figure, 1-frame, 2-clamp bottom plate, 3-positioning support column, 4-cylindrical pin, 5-diamond pin, 6-pressing claw, 7-first cylinder, 8-guide rail, 9-slide block, 10-press, 11-press head, 12-second cylinder, 13-fixing block, 14-guide column, 15-sleeve, 16-positioning pin, 17-spring, 18-guide pin, 19-third cylinder, 20-slide rail, 21-workbench, 22-fourth cylinder, 23-upper guide column, 24-guide sleeve, 25-lifting platform, 26-servo motor, 27-shaft, 28-bearing seat, 29-bearing, 30-bolt wrench, 31-electromagnetic device, 32-iron core, 33-computer control system, 34-display, 35-control arm left piece, 351-first positioning point, 352-second positioning point, 353-third positioning point, 354-bushing hole, 355-threaded steel bushing hole, 36-control arm right piece, 37-bushing, 38-threaded steel bushing.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A control arm assembly according to an embodiment of the present invention will now be described with reference to figures 1 to 4 of the accompanying drawings.

A control arm assembling device comprises a frame 1, a clamp base plate 2, a control arm clamping assembly, a bushing press-fitting assembly, a threaded steel bushing press-fitting assembly and a display 34; the fixture bottom plate 2 is installed at the bottom of the frame 1, the control arm clamping assembly is installed on the bottom plate of the frame 1, the bushing press-fitting assembly is partially installed on the fixture bottom plate 2, part of the bushing press-fitting assembly presses the bushing 37 behind the fixture bottom plate 2, the threaded steel sleeve press-fitting assembly is installed at the top of the frame 1, and the display 34 displays equipment states such as press-fitting curves and the like on one side of the frame 1.

As shown in fig. 4 and 6, the control arm clamping assembly includes positioning support columns 3, cylindrical pins 4, diamond pins 5, and pressing claws 6, a left control arm fixture and a right control arm fixture are symmetrically distributed on the fixture base plate 2, the left control arm fixture and the right control arm fixture respectively include 3 positioning support columns 3, the 3 positioning support columns 3 respectively correspond to first positioning points 351, second positioning points 352, and third positioning points 353 for plane positioning, and 1 cylindrical pin 4 and 1 diamond pin 5 for angular positioning, and the pressing claws 6 are disposed on the positioning support columns 3 for clamping a workpiece, and the control arm can be positioned and clamped on the fixture base plate 2 by the control arm clamping assembly.

As shown in fig. 4 and 6, the bushing press-fitting assembly comprises a first cylinder 7, a guide rail 8, a slide block 9, a press 10, a press head 11, a second cylinder 12, a fixed block 13, a guide post 14, a sleeve 15, a positioning pin 16, a spring 17 and a guide pin 18; the fixing block 13 is installed on the clamp bottom plate 2 and located on a symmetry axis between the left part control arm clamp and the right part control arm clamp, the second cylinder 12 is fixed on the fixing block 13, the output end of the second cylinder 12 is connected with the sleeve 15, under the guiding action of the guide post 14, the second cylinder 12 can control the sleeve 15 to move back and forth, the guide pin 18 is installed in the sleeve 15, one end of the guide pin 18 is inserted into the inner hole of the positioning pin 16, the spring 17 is sleeved on the guide pin 18, one end of the spring 17 is fixedly connected with the inner wall of the sleeve 15, one end of the spring 17 is fixedly connected with the positioning pin 16, the outer wall of the positioning pin 16 is in clearance fit with the inner wall of the sleeve 15, the inner hole of the positioning pin 16 is in clearance fit with the guide pin 18, the end face of the sleeve 15 can be used for axial positioning of the control arm bush hole 354, and the positioning pin 16 is used for radial positioning of the control arm bush hole 354; the pressing head 11 is arranged in the axial direction of the bushing hole 354, the pressing head 11 is driven by the press machine 10, the bushing 37 can be sleeved on the pressing head 11 to achieve positioning, the press machine 10 is installed on the sliding block 9, the sliding block 9 is installed on two symmetrical guide rails 8, the guide rails 8 and the first air cylinder 7 are both fixed on the base of the rack 1, the sliding block 9 is connected to the output end of the first air cylinder 7, the press machine 10 can be controlled to advance and retreat through the first air cylinder 7, the press machine 10 controls the pressing head 11 to feed, and the bushing 37 is pressed into the bushing hole 354 of the control arm.

The bushing press-fitting assembly is arranged in the middle of the right control arm clamp and the left control arm clamp, the right control arm clamp and the left control arm clamp can share the bushing press-fitting assembly due to the symmetrical design, the position adjustment is not needed when the left workpiece and the right workpiece are replaced, and the positioning of the bushing holes 354 of the left control arm 35 and the right control arm 36 and the bushing 37 press-fitting process can be simultaneously met through the bushing press-fitting assembly.

As shown in fig. 3 and 5, the threaded steel bushing press-fitting assembly includes a third cylinder 19, a slide rail 20, a workbench 21, a fourth cylinder 22, an upper guide post 23, a guide sleeve 24, a lifting platform 25, a servo motor 26, a shaft 27, a bearing seat 28, a bearing 29, a bolt wrench 30, an electromagnetic device 31, and an iron core 32; a bolt-screwing wrench 30 is arranged right above the threaded steel sleeve hole 355, the central axis of the bolt-screwing wrench 30 is coincided with the central axis of the threaded steel sleeve hole 355, and the central axis of the bolt-screwing wrench 30 is perpendicular to the central axis of the pressure head 11. The shape of the inner wall of the screwing bolt wrench 30 is consistent with the outer diameter of the threaded steel sleeve 38 and is polygonal, the concave bottom surface of the screwing bolt wrench 30 is provided with an iron core 32, the iron core 32 is communicated with an electromagnetic device 31, the electromagnetic device 31 controls the magnetism of the iron core 32 to be available or unavailable, so that the threaded steel sleeve 38 can be controlled to be stuck in the wrench or be detached from the wrench, the output end of a servo motor 26 is provided with a bearing seat 28 and a bearing 29, a shaft 27 penetrates through the bearing 29 and the screwing bolt wrench 30, the screwing bolt wrench 30 is controlled to rotate through the servo motor 26, the servo motor 26 is arranged on the lifting platform 25, under the guiding action of an upper guide pillar 23, a fourth air cylinder 22 controls the lifting platform 25 to move in the vertical direction, a guide sleeve 24 is arranged at the joint of the lifting platform 25 and the upper guide pillar 23, the fourth air cylinder 22 and the upper guide pillar 23 are both fixed at the bottom of the working platform 21, the working platform 21 is arranged on the slide rails 20, two slide rails 20 are fixed at the top of the frame 1, the third cylinder 19 is fixed on the side surface of the frame 1, the output end of the third cylinder 19 is connected with the workbench 21, and the workbench 21 can be controlled to move horizontally through the third cylinder 19, so that the bolt wrench 30 can be switched between the left control arm part 35 and the right control arm part, namely, the left control arm part 35 and the right control arm part 36 share the bolt wrench 30, and the threaded steel sleeves 38 of the left control arm part 35 and the right control arm part 36 can be press-fitted through the threaded steel sleeve 38 press-fitting assembly.

The side surface of the frame 1 is provided with an electric control system which consists of a computer control system 33 and a display 34, can realize the logic control of clamping of the clamping jaw, pressing of the bushing 37 and screwing of the threaded steel sleeve 38, and the display 34 displays a pressing curve, equipment state and alarm information.

The working process of assembling by using the utility model is as follows: first, the third cylinder 19 drives the table 21 to move, the position of the wrenching bolt 30 is adjusted, and the wrenching bolt 30 is positioned above the control arm left member 35 when the left member is to be machined, and the wrenching bolt 30 is positioned above the control arm right member 36 when the right member is to be machined. Then the threaded steel sleeve 38 and the bush 37 are respectively placed in the bolt screwing wrench 30 and on the pressure head 11 through the grabbing manipulator, then the control arm is placed on the clamp through the feeding manipulator, then the pressure claw 6 is started to press the workpiece tightly, then the second air cylinder 12 is started to enable the positioning pin 16 to be inserted into the workpiece bush hole 354, the end face of the sleeve 15 is attached to the end face of the workpiece bush hole 354, and then the pressure head 11 and the bolt screwing wrench 30 are started simultaneously to respectively complete the press mounting of the bush 37 and the screwing of the threaded steel sleeve 38.

It is noted that the terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Claims

1. The utility model provides a control arm assembly quality, includes frame (1), anchor clamps bottom plate (2), control arm centre gripping subassembly, bush pressure equipment subassembly, screw steel bushing pressure equipment subassembly, its characterized in that: the fixture bottom plate (2) is arranged at the bottom of the rack (1), the control arm clamping assembly is arranged on the bottom plate of the rack (1) and can position a positioning point of the control arm and clamp the control arm, the bushing press-fitting assembly comprises a pressure head (11) and a positioning pin (16), the positioning pin (16) is arranged on the fixture bottom plate (2) and is used for positioning a bushing hole (354), and the pressure head (11) is arranged in the axial direction of the bushing hole (354) and is used for press-fitting the bushing (37); the threaded steel bushing press fitting assembly comprises a workbench (21) and a bolt screwing wrench (30), the workbench (21) is installed at the top of the rack (1) and can slide relative to the rack (1), and the bolt screwing wrench (30) is installed on the workbench (21).

2. A control arm assembly device as claimed in claim 1, wherein: the control arm clamping assembly comprises a left control arm clamp and a right control arm clamp which are symmetrically distributed on a clamp base plate (2), the control arm clamps comprise positioning support columns (3) arranged on the clamp base plate (2), cylindrical pins (4), diamond-shaped pins (5) and pressing claws (6), and the pressing claws (6) are arranged on the positioning support columns (3).

3. A control arm assembly device as claimed in claim 2, wherein: the three positioning support columns (3) are arranged corresponding to the positioning points of the workpiece, and the cylindrical pin (4) and the diamond-shaped pin (5) are respectively used for angular positioning 1.

4. A control arm assembly device as claimed in claim 1, wherein: bushing pressure equipment subassembly still includes sleeve (15), fixed block (13), second cylinder (12), install on a left side control arm anchor clamps and a right side control arm anchor clamps symmetry axis fixed block (13), connect second cylinder (12) on fixed block (13), second cylinder (12) output connecting sleeve (15), sleeve (15) link to each other with fixed block (13) through guide post (14), locating pin (16) cover is established in sleeve (15).

5. A control arm assembly device according to claim 4, wherein: install guide pin (18) in sleeve (15), during guide pin (18) inserted locating pin (16), spring (17) are established to the outside cover, spring (17) connection sleeve (15) inner wall and locating pin (16).

6. A control arm assembly device according to claim 5, wherein: the outer wall of the positioning pin (16) is in clearance fit with the inner wall of the sleeve (15), and the inner hole of the positioning pin (16) is in clearance fit with the guide pin (18).

7. A control arm assembly device according to claim 4, wherein: the bushing press-fitting assembly further comprises a sliding block (9), a press machine (10) and a first air cylinder (7); slider (9) are fixed in frame (1) base through guide rail (8), install on slider (9) press (10), press head (11) are through press (10) drive, and bush (37) cover is established on press head (11), first cylinder (7) are fixed in frame (1) base, and output link block (9).

8. A control arm assembly device as claimed in claim 1, wherein: the threaded steel sleeve press-fitting assembly further comprises a lifting table (25) and a third cylinder (19); the third cylinder (19) is installed at the side wall of the rack (1), the output end of the third cylinder is connected with the workbench (21), the workbench (21) is installed at the top of the rack (1) through a sliding rail (20), the lifting platform (25) is connected with the workbench (21) through an upper guide pillar (23) and a fourth cylinder (22), the lifting platform (25) can move in the vertical direction, a bolt wrench (30) is installed on the lifting platform (25), and a guide sleeve (24) is installed at the joint of the lifting platform (25) and the upper guide pillar (23).

9. A control arm assembly device as claimed in claim 8, wherein: install servo motor (26) on elevating platform (25), screw bolt spanner (30) are connected through bearing (29) to servo motor (26) output, install on bearing frame (28) bearing (29), screw bolt spanner (30) inner wall is the polygon, inner wall bottom surface installation iron core (32), electromagnetic means (31) are connected in iron core (32).

10. A control arm assembly device according to any one of claims 1 to 9, wherein: the control arm assembly apparatus also includes a display (34), the display (34) being capable of displaying press-fit curves and equipment status.