CN217452728U

CN217452728U - Automobile welding positioning sliding mechanism

Info

Publication number: CN217452728U
Application number: CN202220508718.1U
Authority: CN
Inventors: 代巍; 冯志鹏; 杨旭磊
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-20
Anticipated expiration: 2032-03-09

Abstract

The utility model provides an automobile welding positioning glide machanism. The automobile welding positioning slippage mechanism comprises a base, a slippage component, a gripper component and a PLC control system; the bottom of the sliding component is connected with the base; the gripping assembly is arranged on the body-in-white, and is connected to the top of the sliding assembly so as to position the body-in-white through the sliding assembly; the sliding assembly is electrically connected with the PLC control system. This car welding position glide machanism is connected through the subassembly that slides and PLC control system electricity, matches the welding dimension of white automobile body in real time, has reduced the artifical participation degree that participates in the size matching, has reduced the human cost.

Description

Automobile welding positioning sliding mechanism

Technical Field

The utility model relates to an automobile parts technical field, in particular to car welding position glide machanism.

Background

In a white body welding main line, the positioning welding of the white body side wall assembly, the front and rear cross beams, the lower mounting plate, the tail end plate and the lower body assembly in a splicing mode is the most critical process, a station for completing the process is one of the most critical size matching stations, and the height of the white body qualified rate is directly determined. In the prior art, a positioning welding station generally adopts a built-in main fixture total splicing fixture, an OpenGate total splicing fixture, a side frame type sliding total splicing fixture, a gantry upright post positioning type total splicing fixture and a robot gripper type total splicing fixture, and the size of a white body is controlled and monitored in any mode, namely the white body is drawn and adjusted to a measuring room at the tail of a main line or a repair welding line to carry out white body three-coordinate measurement, and the size deviation of a certain part is found and then the fixture or the part source is processed, so that the positioning welding station is post-processing and has certain hysteresis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile welding position glide machanism, this automobile welding position glide machanism is connected with the PLC control system electricity through the subassembly that slides, matches the welding dimension of white automobile body in real time, has reduced the participation degree that artifical participation size matches, has reduced the human cost.

For realizing the purpose of the utility model, the utility model adopts the following technical proposal:

according to the utility model discloses an aspect provides an automobile welding position glide machanism. The automobile welding positioning slippage mechanism comprises a base, a slippage assembly, a gripper assembly and a PLC control system; the bottom of the sliding component is connected with the base; the gripping assembly is arranged on the body-in-white, and is connected to the top of the sliding assembly so as to position the body-in-white through the sliding assembly; the sliding assembly is electrically connected with the PLC control system.

According to the utility model discloses an embodiment, wherein, the tongs subassembly includes stand and tongs main part, the stand connect in the top of subassembly slides, the tongs main part set up in one side of white automobile body, the tongs main part with the stand is connected, in order to incite somebody to action white automobile body connect in the subassembly slides.

According to the utility model discloses an embodiment, wherein, the tongs subassembly still includes locating hole and locating pin, the locating hole set up in on the stand, the locating pin connect in the tongs main part, the locating pin set up in the locating hole.

According to the utility model discloses an embodiment, wherein, the tongs subassembly still includes first locating piece and second locating piece, first locating piece connect in the stand, the second locating piece connect in the tongs main part, first locating piece with second locating piece rigid coupling, with the rigid coupling the tongs main part with the stand.

According to the utility model discloses an embodiment, wherein, the tongs subassembly is two, two the tongs subassembly set up respectively in both ends around the subassembly top that slides, it is right both ends are fixed a position promptly around the white automobile body.

According to the utility model discloses an embodiment, wherein, the subassembly that slides includes first sliding and second sliding, first sliding connect in the base, second sliding connect in first sliding, just the moving direction perpendicular to of second sliding first sliding.

According to the utility model discloses an embodiment, wherein, first sliding part includes first guide rail, first backup pad and first driving piece, first backup pad set up in the bottom of second sliding part, first guide rail is followed the width direction of base sets up, first driving piece set up in the base, so that first backup pad passes through the drive of first driving piece is followed first guide rail removes.

According to the utility model discloses an embodiment, wherein, first driving piece includes first servo motor, first lead screw and first mount pad, first lead screw set up in the base and with first servo motor connects, first mount pad set up in the bottom of second sliding part, first mount pad with first lead screw threaded connection.

According to the utility model discloses an embodiment, wherein, the second sliding part is including sliding base plate, second guide rail, second backup pad and second driving piece, sliding base plate connect in first backup pad, the second backup pad set up in the bottom of tongs subassembly, first guide rail is followed the length direction of base sets up, the second driving piece set up in sliding base plate, so that the second backup pad passes through the drive of second driving piece is followed the second guide rail removes.

According to the utility model discloses an embodiment, wherein, the second driving piece includes second servo motor, second lead screw and second mount pad, the second lead screw set up in sliding base plate and with second servo motor connects, the second mount pad set up in the bottom of tongs subassembly, the second mount pad with second lead screw threaded connection.

The utility model provides an embodiment has following advantage or beneficial effect:

the utility model discloses an automobile welding positioning glide machanism is connected with the PLC control system electricity through the subassembly that slides, according to the on-line monitoring feedback of white automobile body, the dimensional deviation of the white automobile body key point of real time monitoring according to the holistic offset real-time adjustment of white automobile body, has reduced the artifical participation degree that participates in the size and matches, has reduced the human cost, can also utilize the latency in a beat to carry out the frock adjustment, has improved economic benefits.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a perspective view of an automotive weld set slip mechanism according to an exemplary embodiment.

FIG. 2 is a perspective view of a first glide of an automotive weld positioning glide mechanism according to an exemplary embodiment.

Fig. 3 is a perspective view of a second glide of an automotive weld positioning glide mechanism according to an exemplary embodiment.

FIG. 4 is a partial enlarged view at A of FIG. 1, shown in accordance with an exemplary embodiment.

FIG. 5 is a partial enlarged view at B in FIG. 1, shown in accordance with an exemplary embodiment.

FIG. 6 is a perspective view of a hand grip assembly of an automotive weld positioning glide mechanism according to an exemplary embodiment.

FIG. 7 is a schematic diagram illustrating the overlapping of a gripper assembly of an automotive weld setting glide mechanism according to one exemplary embodiment.

Wherein the reference numerals are as follows:

1. a base; 2. a sliding component; 21. a first glide; 211. a first guide rail; 212. a first support plate; 213. a first driving member; 2131. a first servo motor; 2132. a first lead screw; 2133. a first mounting seat; 22. a second glide; 221. a sliding substrate; 222. a second guide rail; 223. a second support plate; 224. a second driving member; 2241. a second servo motor; 2242. a second lead screw; 3. a gripper assembly; 31. a column; 32. the gripper body; 33. positioning holes; 34. positioning pins; 35. a first positioning block; 36. a second positioning block; 37. a clamping cylinder; 4. a body in white.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 7, fig. 1 shows a perspective view of a vehicle welding positioning sliding mechanism provided by the present invention. Fig. 2 shows a perspective view of a first sliding member 21 of the vehicle welding positioning sliding mechanism provided by the present invention. Fig. 3 shows a perspective view of the second sliding member 22 of the welding position sliding mechanism of the vehicle provided by the present invention. Fig. 4 shows a partial enlarged view of a portion a in fig. 1 provided by the present invention. Fig. 5 shows a partial enlarged view of the point B in fig. 1 provided by the present invention. Fig. 6 shows a perspective view of the gripper assembly 3 of the automobile welding positioning sliding mechanism provided by the utility model. Fig. 7 shows the utility model provides a pair of car welding position glide machanism's tongs subassembly 3's overlap joint schematic diagram.

The automobile welding positioning slippage mechanism provided by the embodiment of the utility model comprises a base 1, a slippage component 2, a gripper component 3 and a PLC control system; the bottom of the sliding component 2 is connected with the base 1; the hand grip assembly 3 is arranged on the body-in-white 4, and the hand grip assembly 3 is connected to the top of the sliding assembly 2 so as to position the body-in-white 4 through the sliding assembly 2; the sliding assembly 2 is electrically connected with the PLC control system.

When the base 1 is horizontally arranged on the ground or a workbench, the sliding component 2 can drive the gripping component 3 to move to any coordinate in the same horizontal plane, after the gripping component 3 moves to a station from the previous station along with the body-in-white 4, one end of the gripping component 3 far away from the body-in-white 4 is connected with the sliding component 2, so that parts of the body-in-white 4 can be positioned and welded, the welded parts enter the next station after welding, a welding result is detected by a camera of the next station and fed back to the PLC control system, the detection result is compared with an initial value set in the PLC control system, if the size deviation is large, the PLC control system makes an adjusting instruction and transmits the adjusting instruction to the sliding component 2 for adjustment, and the positioning sliding mechanism has a certain waiting time in a beat, so that the adjustment process can be completed in the normal production process through the waiting time, it is possible to avoid that the adjustment can only be carried out at the moment of stopping the line, which affects the yield of the body-in-white 4.

In a preferred embodiment of the present invention, the grip assembly 3 comprises a column 31 and a grip main body 32, the column 31 is connected to the top of the sliding assembly 2, the grip main body 32 is disposed on one side of the body-in-white 4, the grip main body 32 is connected to the column 31, so as to connect the body-in-white 4 to the sliding assembly 2.

As shown in fig. 1, 4 and 5, the upright column 31 extends vertically upward from the top of the sliding assembly 2 along the Z direction, the hand grip main body 32 is fixedly connected to the side wall of the upright column 31, the body-in-white 4 can be fixedly connected to the upright column 31, the sliding assembly 2 drives the upright column 31 to move for adjustment, and then the welding position of the body-in-white 4 is adjusted.

In a preferred embodiment of the present invention, the gripper assembly 3 further comprises a positioning hole 33 and a positioning pin 34, the positioning hole 33 is disposed on the column 31, the positioning pin 34 is connected to the gripper body 32, and the positioning pin 34 is disposed in the positioning hole 33.

As shown in fig. 4 and 5, a positioning hole 33 is formed in a side wall of the pillar 31, a positioning pin 34 is provided on a side of the gripper body 32 away from the body-in-white 4, and when the positioning pin 34 is inserted into the positioning hole 33, the relative position of the gripper body 32 and the pillar 31 is positioned and fixed.

In a preferred embodiment of the present invention, the gripper assembly 3 further comprises a first positioning block 35 and a second positioning block 36, the first positioning block 35 is connected to the column 31, the second positioning block 36 is connected to the gripper body 32, and the first positioning block 35 and the second positioning block 36 are fixedly connected to fixedly connect the gripper body 32 and the column 31.

As shown in fig. 4 to 7, the first positioning block 35 may be one or a plurality of first positioning blocks 35, the plurality of first positioning blocks 35 are disposed at intervals on the sidewall of the column 31, the plurality of second positioning blocks 36 corresponding to the first positioning blocks 35 are disposed at intervals on the gripper main body 32, after the positioning pin 34 is inserted into the positioning hole 33, the first positioning blocks 35 and the second positioning blocks 36 are fixedly connected, so that the gripper main body 32 can be fixedly connected to the column 31, and preferably, the gripper assembly 3 further includes a clamping cylinder 37, the clamping cylinder 37 is connected to the column 31, and after the second positioning blocks 36 are attached to the first positioning blocks 35, the second positioning blocks 37 are fixed by the clamping cylinder 37.

In a preferred embodiment of the present invention, there are two gripper assemblies 3, two gripper assemblies 3 are respectively disposed at the front and rear ends of the top of the sliding assembly 2, so as to position and grasp the front and rear ends of the body-in-white 4.

As shown in fig. 1, the body-in-white 4 is relatively long and relatively heavy, and by arranging two hand grip assemblies 3, one hand grip assembly 3 is arranged on the front side of the sliding assembly 2, and the other hand grip assembly 3 is arranged on the rear side of the sliding assembly 2, and the front end and the rear end of the body-in-white 4 are respectively fixedly connected to the front side and the rear side of the sliding assembly 2 through two hand grip main bodies 32, so that the supporting strength of the body-in-white 4 by the positioning sliding mechanism can be increased.

In a preferred embodiment of the present invention, the sliding assembly 2 comprises a first sliding member 21 and a second sliding member 22, the first sliding member 21 is connected to the base 1, the second sliding member 22 is connected to the first sliding member 21, and the moving direction of the second sliding member 22 is perpendicular to the moving direction of the first sliding member 21.

As shown in fig. 1 to 3, the base 1 is a regular rectangle and has patterns in the length direction and the width direction, so that the moving path of the first sliding member 21 and the moving path of the second sliding member 22 are perpendicular to each other, the PLC control system sends a command to the first sliding member 21, so that the gripper assembly 3 can be adjusted to move in the width direction of the base 1, and the PLC control system sends a command to the second sliding member 22, so that the gripper assembly 3 can be adjusted to move in the length direction of the base 1, and further, any coordinate of the body 4 in the range from the same horizontal plane to the base 1 can be adjusted, so that the degree of participation in size matching by manual work is reduced, and the labor cost is reduced.

Preferably, there are two second sliding members 22, the two second sliding members 22 are respectively disposed at the front end and the rear end of the first sliding member 21, and the second sliding members 22 correspond to the gripper assemblies 3 one to one.

In a preferred embodiment of the present invention, the first sliding member 21 includes a first guide rail 211, a first support plate 212 and a first driving member 213, the first support plate 212 is disposed at the bottom of the second sliding member 22, the first guide rail 211 is disposed along the width direction of the base 1, the first driving member 213 is disposed at the base 1, so that the first support plate 212 is driven by the first driving member 213 to move along the first guide rail 211.

As shown in fig. 1 and fig. 2, the first guide rail 211 is disposed along the width direction of the base 1, the first support plate 212 is fixedly connected to the sliding substrate 221 of the second sliding member 22, the first support plate 212 is slidably connected to the first guide rail 211, the fixed end of the first driving member 213 is connected to the base 1, the output end of the first driving member 213 is connected to the second support plate 223, the second support plate 223 can be driven by the power of the first driving member 213 to slide along the first guide rail 211, and the gripper assembly 3 is further driven to move along the width direction of the base 1.

Preferably, the number of the first guide rails 211 is three, and the three first guide rails 211 are arranged at equal intervals along the length direction of the base 1, so that the weight of the sliding assembly 2, the weight of the gripper assembly 3 and the weight of the body-in-white 4 can be shared together, and the service life of the sliding assembly 2 is prolonged.

In a preferred embodiment of the present invention, the first driving member 213 includes a first servo motor 2131, a first lead screw 2132 and a first mounting seat 2133, the first lead screw 2132 is disposed on the base 1 and connected to the first servo motor 2131, the first mounting seat 2133 is disposed on the bottom of the second sliding member 22, and the first mounting seat 2133 is connected to the first lead screw 2132 by a screw.

As shown in fig. 2, the first lead screw 2132 is arranged in parallel with the first guide rail 211, an external thread is arranged on the outer circumference of the first lead screw 2132, an opening is formed in the first mounting seat 2133, an internal thread is arranged in the opening, when the first lead screw 2132 passes through the opening of the first mounting seat 2133, the first lead screw 2132 is in threaded connection with the first mounting seat 2133, one end of the first lead screw 2132 is connected with the output end of the first servo motor 2131, the fixed end of the first servo motor 2131 is fixedly connected to the base 1, the first lead screw 2132 is driven to rotate by the operation of the first servo motor 2131, the first mounting seat 2133 can be driven to move along the rotating shaft direction of the first lead screw 2132, and further, the gripper assembly 3 is driven to move along the width direction of the base 1 for adjustment.

In a preferred embodiment of the present invention, the second sliding member 22 includes a sliding base plate 221, a second guide rail 222, a second support plate 223 and a second driving member 224, the sliding base plate 221 is connected to the first support plate 212, the second support plate 223 is disposed at the bottom of the gripper assembly 3, the first guide rail 211 is disposed along the length direction of the base 1, and the second driving member 224 is disposed at the sliding base plate 221, so that the second support plate 223 moves along the second guide rail 222 through the driving of the second driving member 224.

As shown in fig. 1 and 3, the second guide rail 222 is disposed along the width direction of the base 1, the second support plate 223 is fixedly connected to the bottom of the gripper assembly 3, the first support plate 212 is slidably connected to the first guide rail 211, the fixed end of the first driving member 213 is connected to the base 1, the output end of the first driving member 213 is connected to the second support plate 223, and the second support plate 223 can be driven by the power of the first driving member 213 to slide along the first guide rail 211, so as to drive the gripper assembly 3 to move along the width direction of the base 1.

In a preferred embodiment of the present invention, the second driving member 224 includes a second servo motor 2241, a second lead screw 2242 and a second mounting seat, the second lead screw 2242 is disposed on the sliding base plate 221 and connected to the second servo motor 2241, the second mounting seat is disposed on the bottom of the gripper assembly 3, and the second mounting seat is threadedly connected to the second lead screw 2242.

As shown in fig. 3, second lead screw 2242 and second guide rail 222 are arranged in parallel, the periphery of second lead screw 2242 is provided with external threads, an opening is formed in the second mounting seat, and an internal thread is arranged in the opening and the hole, when second lead screw 2242 passes through the hole of the second mounting seat, second lead screw 2242 and second mounting seat are in threaded connection, one end of second lead screw 2242 is connected with the output end of second servo motor 2241, the fixed end of second servo motor 2241 is fixedly connected to the sliding base plate 221, the second lead screw 2242 is driven to rotate through the operation of second servo motor 2241, the second mounting seat can be moved along the rotation axis direction of second lead screw 2242, and then the gripper assembly 3 is driven to move along the length direction of the base 1 for adjustment.

The utility model discloses an automobile welding positioning glide machanism includes subassembly 2 and PLC control system that slides, wherein the first slide 21 and the second slide 22 of subassembly 2 that slides are connected with PLC control system electricity respectively, according to the on-line monitoring feedback of white automobile body 4, if there is size deviation in the length direction along base 1, can adjust the position of tongs subassembly 3 through second servo motor 2241 of second slide 22, if there is size deviation in the width direction along base 1, can adjust the position of tongs subassembly 3 through first servo motor 2131 of first slide 21, utilize PLC control system real-time monitoring white automobile body 4 key point's size deviation, adjust in real time according to white automobile body 4 holistic offset, the participation degree of artifical participation size matching has been reduced, the human cost has been reduced, can also utilize the latency in a beat to carry out frock adjustment, the economic benefit is improved.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A vehicle welding positioning and slipping mechanism for positioning a body-in-white (4), comprising:

a base (1);

a glide assembly (2); the bottom of the sliding component (2) is connected with the base (1);

the gripper assembly (3) is arranged on the body-in-white (4), and the gripper assembly (3) is connected to the top of the sliding assembly (2) so as to position the body-in-white (4) through the sliding assembly (2); and

and the sliding component (2) is electrically connected with the PLC control system.

2. The automotive welding positioning skid mechanism according to claim 1, wherein said hand grip assembly (3) comprises an upright post (31) and a hand grip body (32), said upright post (31) is connected to the top of said skid assembly (2), said hand grip body (32) is disposed on one side of said body-in-white (4), said hand grip body (32) is connected to said upright post (31) to connect said body-in-white (4) to said skid assembly (2).

3. The automotive welding positioning sliding mechanism according to claim 2, wherein the gripper assembly (3) further comprises a positioning hole (33) and a positioning pin (34), the positioning hole (33) is opened on the upright column (31), the positioning pin (34) is connected to the gripper main body (32), and the positioning pin (34) is disposed in the positioning hole (33).

4. The automotive welding positioning and sliding mechanism according to claim 3, wherein the gripper assembly (3) further comprises a first positioning block (35) and a second positioning block (36), the first positioning block (35) is connected to the column (31), the second positioning block (36) is connected to the gripper main body (32), and the first positioning block (35) and the second positioning block (36) are fixedly connected to fixedly connect the gripper main body (32) and the column (31).

5. The automobile welding positioning sliding mechanism according to claim 1, characterized in that the number of the gripper assemblies (3) is two, and the two gripper assemblies (3) are respectively arranged at the front end and the rear end of the top of the sliding assembly (2) to position and grasp the front end and the rear end of the body-in-white (4).

6. The automotive welding positioning and slipping mechanism according to claim 1, characterized in that the slipping assembly (2) comprises a first slipping member (21) and a second slipping member (22), the first slipping member (21) is connected to the base (1), the second slipping member (22) is connected to the first slipping member (21), and the moving direction of the second slipping member (22) is perpendicular to the moving direction of the first slipping member (21).

7. The automotive welding positioning and slipping mechanism according to claim 6, characterized in that the first slipping member (21) comprises a first guide rail (211), a first support plate (212) and a first driving member (213), the first support plate (212) is disposed at the bottom of the second slipping member (22), the first guide rail (211) is disposed along the width direction of the base (1), and the first driving member (213) is disposed at the base (1) so that the first support plate (212) is driven by the first driving member (213) to move along the first guide rail (211).

8. The vehicle welding positioning and sliding mechanism according to claim 7, wherein said first driving member (213) comprises a first servo motor (2131), a first lead screw (2132) and a first mounting seat (2133), said first lead screw (2132) is disposed on said base (1) and connected to said first servo motor (2131), said first mounting seat (2133) is disposed on the bottom of said second sliding member (22), and said first mounting seat (2133) is threadedly connected to said first lead screw (2132).

9. The automotive welding positioning and sliding mechanism according to claim 7, characterized in that the second sliding member (22) comprises a sliding base plate (221), a second guide rail (222), a second support plate (223) and a second driving member (224), the sliding base plate (221) is connected to the first support plate (212), the second support plate (223) is disposed at the bottom of the gripper assembly (3), the first guide rail (211) is disposed along the length direction of the base (1), and the second driving member (224) is disposed on the sliding base plate (221) so that the second support plate (223) moves along the second guide rail (222) under the driving of the second driving member (224).

10. The automotive welding positioning and slipping mechanism according to claim 9, wherein the second driving member (224) comprises a second servo motor (2241), a second lead screw (2242) and a second mounting seat, the second lead screw (2242) is disposed on the slipping base plate (221) and connected to the second servo motor (2241), the second mounting seat is disposed at the bottom of the gripper assembly (3), and the second mounting seat is in threaded connection with the second lead screw (2242).