WO2021134837A1

WO2021134837A1 - Automobile assembly fixture system and multi-vehicle type assembly stereo warehouse

Info

Publication number: WO2021134837A1
Application number: PCT/CN2020/072051
Authority: WO
Inventors: 董学羽; 周江奇; 雷志华; 代巍; 刘国斌
Original assignee: 上汽通用五菱汽车股份有限公司
Priority date: 2019-12-31
Filing date: 2020-01-14
Publication date: 2021-07-08
Also published as: CN112108794A

Abstract

An automobile assembly fixture system and a multi-vehicle type assembly stereo warehouse. The automobile assembly fixture system comprises a main frame (1), a first positioning and clamping device (2), and a driving device (3); the main frame comprises a mounting cross beam (8) and a mounting bracket group (19) provided on the mounting cross beam; the first positioning and clamping device is movably provided on the mounting bracket group; the mounting bracket group is used for being provided between two lateral enclosure assemblies (5) of an automobile, so that the first positioning and clamping device is provided in the automobile; the driving device is provided on the mounting bracket group; and the driving device is used for driving the first positioning and clamping device to move relative to the mounting bracket group, so that the first positioning and clamping device positions and clamps the two lateral enclosure assemblies and a tailgate frame of the automobile from the interior of the automobile. By means of the system, the first positioning and clamping device for assembling the lateral enclosure assemblies and the tailgate frame of the automobile can be provided in the interior, thereby being beneficial for obtaining a larger arrangement space of a welding robot and more welding points, and improving welding reachability.

Description

Automobile general assembly fixture system and multi-model general assembly three-dimensional library

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on December 31, 2019, the application number is 201911422214.7, and the invention title is "Automobile assembly fixture system and multi-model assembly stereo library", the entire content of which is incorporated by reference Incorporate in the application.

Technical field

This application relates to the technical field of car body manufacturing, in particular to an automobile general assembly fixture system and a multi-model general assembly three-dimensional library.

Background technique

At present, the main forms of body assembly technology include side frame assembly technology and robot gripper assembly technology. In the side frame assembly technology, since the positioning fixtures for the side panel assembly are arranged on the outside of the car body, As a result, the layout space of the welding robot is restricted and the welding accessibility is low. In view of this, it is necessary to provide an automobile general assembly fixture system and a multi-model general assembly three-dimensional library to at least overcome or alleviate the above-mentioned defects in the prior art.

Summary of the invention

technical problem

The solution to the problem

Technical solutions

The main purpose of this application is to provide an automobile general assembly fixture system and a multi-model general assembly three-dimensional library, which aims to solve the technical problem that the layout space of welding robots is restricted due to the use of side frame positioning methods for the general assembly and positioning of the automobile. .

In order to achieve the above objective, the present application provides an automobile general assembly jig system, wherein the automobile general assembly jig system includes a main frame, a first positioning and clamping device, and a driving device; the main frame includes a mounting beam and a The mounting frame set on the mounting beam; the first positioning and clamping device is movably arranged on the mounting frame set, and the mounting frame set is used to be placed between the two side panel assemblies of the automobile , So that the first positioning and clamping device is placed inside the automobile; the driving device is arranged on the mounting frame group, and the driving device is used to drive the first positioning and clamping device relative to the installation The frame assembly moves so that the first positioning and clamping device positions and clamps the two side panel assemblies and the tailgate frame of the automobile from the inside of the automobile.

In addition, this application also provides a multi-model general assembly three-dimensional library, wherein the multi-model general assembly three-dimensional library includes a production line provided with a plurality of storage locations, and a plurality of automobile general assembly fixture systems as described above. Each of the automobile general assembly fixture systems is set corresponding to different vehicle models, and the multiple installation beams of the multiple automobile general assembly fixture systems are respectively installed on different storage locations.

The beneficial effects of the invention

Brief description of the drawings

Description of the drawings

In order to clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Of course, the drawings in the following description are only for the present application. For some of the embodiments of, for those of ordinary skill in the art, without creative work, other drawings may be obtained based on the structure shown in these drawings.

FIG. 1 is a schematic diagram of the structure of the automobile assembly fixture system of the embodiment of the application in cooperation with the side panel assembly and the roof beam of the automobile;

FIG. 2 is a schematic diagram of the structure of an automobile general assembly fixture system according to an embodiment of the application;

3 is a schematic diagram of the structure of the first mounting frame, the first driving cylinder, and the first positioning and clamping mechanism in the embodiment of the application;

4 is another structural schematic diagram of the first mounting frame, the first driving cylinder, and the first positioning and clamping mechanism in the embodiment of the application;

5 is a schematic diagram of the structure of the second mounting frame, the second driving cylinder, and the second positioning and clamping mechanism in an embodiment of the application;

6 is a schematic diagram of the structure of the third mounting frame, the third driving cylinder, the third sliding frame and the third positioning and clamping mechanism in the embodiment of the application;

7 is a schematic diagram of the structure of the fourth mounting frame, the fourth driving cylinder, and the fourth positioning and clamping mechanism in the embodiment of the application;

8 is a schematic diagram of the structure of a fifth mounting frame and a fifth positioning and clamping mechanism in an embodiment of the application;

9 is a schematic diagram of the structure of the sixth mounting frame and the positioning and pressing mechanism in the embodiment of the application;

FIG. 10 is a schematic diagram of the structure of the seventh mounting frame and the sixth positioning and clamping mechanism in the embodiment of the application.

Invention embodiment

Embodiments of the present invention

The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of this application. It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of this application are only used to explain the relationship between the various components in a specific posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.

1, this application provides an automobile general assembly fixture system. The automobile general assembly fixture system includes a main frame 1, a first positioning and clamping device 2 and a driving device 3; the main frame 1 includes a mounting beam 18 and a mounting beam 18 on the mounting frame group 19; the first positioning and clamping device 2 is movably arranged on the mounting frame group 19, the mounting frame group 19 is used to be placed between the two side panel assemblies 5 of the car, so that the first The positioning and clamping device 2 is placed inside the automobile; the driving device 3 is arranged on the mounting frame group 19, and the driving device 3 is used to drive the first positioning and clamping device 2 to move relative to the mounting frame group 19, so that the first positioning and clamping device 2 The two side panel assemblies 5 and the tailgate frame (not shown) of the car are positioned and clamped from the inside of the car.

In the technical solution of the present application, since the provided automobile assembly fixture system includes a main frame 1, a first positioning and clamping device 2 and a driving device 3, the main frame 1 includes a mounting beam 18 and a mounting frame arranged on the mounting beam 18 In group 19, the driving device 3 is arranged on the mounting frame group 19, and is used to drive the first positioning and clamping device 2 movably arranged on the mounting frame group 19 to slide relative to the mounting frame group 19 to make the first positioning and clamping device 2 Position and clamp the side panel assembly 5 and the tailgate frame of the car from the inside of the car, so that the first positioning and clamping device 2 for assembling the side panel assembly 5 and the tailgate frame of the car can be built-in, which is beneficial to Obtain larger welding robot layout space and more welding points, and improve welding accessibility.

In one embodiment, referring to FIGS. 1 to 4, the mounting frame group 19 includes a first mounting frame 11 arranged on the mounting beam 18; the driving device 3 includes two first driving cylinders separately arranged at both ends of the first mounting frame 11. 31; The first positioning and clamping device 2 includes two first positioning and clamping mechanisms 21 slidably arranged on the first mounting frame 11; the two first driving cylinders 31 correspond to the two first positioning and clamping mechanisms 21 one-to-one Connected, the two first driving cylinders 31 are used to drive the two first positioning and clamping mechanisms 21 to move away from each other, so that the two first positioning and clamping mechanisms 21 respectively align the spaced apart side enclosure assemblies 5 The A-pillar 51 or the C-pillar 53 is positioned and clamped. At the same time, the two first driving cylinders 31 can respectively drive the two first positioning and clamping mechanisms 21 to move toward each other, so that the two first positioning and clamping mechanisms 21 are respectively away from the A pillars 51 or C of the two side enclosure assemblies 5柱53。 Post 53. That is, during the overall assembly of the car, the mounting beam 18 can be placed on the top of the car, and the first mounting frame 11 can extend into the interior of the car, and the two first driving cylinders 31 can respectively drive the two first positioning clamps. The mechanism 21 is close to the A-pillar 51 or the C-pillar 53 of the two side panel assemblies 5 arranged at intervals, so that the two first positioning and clamping mechanisms 21 respectively align the A-pillar 51 or the C-pillar 53 of the two side panel assemblies 5 Positioning and clamping, so that the A-pillar 51 or C-pillar 53 of the side panel assembly 5 can be positioned and clamped from the inside of the car; after the car is assembled, the two first driving cylinders 31 can drive the two cylinders respectively. The first positioning and clamping mechanisms 21 are away from the A-pillar 51 or the C-pillar 53 of the two side enclosure assemblies 5, so that the two first positioning and clamping mechanisms 21 are retracted from the first mounting frame 11.

It should be particularly noted that, referring to FIG. 2, the number of the first mounting frames 11 in this application may be two, and the two first mounting frames 11 are arranged on the mounting frame group 19 at intervals, and each first mounting frame 11 Two first driving cylinders 31 and two first positioning and clamping mechanisms 21 may be correspondingly provided on the upper side to position and clamp the A-pillar 51 and the C-pillar 53 of the two side enclosure assemblies 5 respectively. Of course, the application is not limited to this. The A-pillar 51 and the C-pillar 53 can also share a first mounting frame 11, and the first mounting frame 11 can be provided with four first driving cylinders 31 and four first positioning clamps. Tightening mechanism 21, of which two first driving cylinders 31 and two first positioning and clamping mechanisms 21 are arranged corresponding to the A-pillars 51 of the two side panel assemblies 5. The other two first driving cylinders 31 and the other two first The positioning and clamping mechanism 21 is arranged corresponding to the C-pillars 53 of the two side wall assemblies 5.

Further, referring to FIGS. 1 to 4 again, the first positioning and clamping mechanism 21 includes a first sliding frame 211 slidably arranged on the first mounting frame 11, and a first positioning frame 211 arranged on the first sliding frame 211 The pin 212, the first positioning block 213, the first clamping arm 214 and the first clamping cylinder 215; the first sliding frame 211 is connected to the first driving cylinder 31; one end of the first clamping arm 214 is connected to the first clamping The cylinder 215 is connected, and the other end of the first clamping arm 214 is provided with a first abutting block 216; the first positioning pin 212 is used to cooperate with the positioning hole of the A-pillar 51 or the C-pillar 53 to align the A-pillar 51 or the C-pillar. 53 for positioning, the first positioning block 213 is used to abut on one side surface of the A-pillar 51 or the C-pillar 53, and the first clamping cylinder 215 is used to drive the first clamping arm 214 to drive the first abutting block 216 to approach A The other side surface of the pillar 51 or the C pillar 53 allows the first abutting block 216 and the first positioning block 213 to cooperate to clamp the A pillar 51 or the C pillar 53. In the present application, the first clamping arm 214 is movably hinged to the first sliding frame 211. That is, during the overall assembly of the car, the first driving cylinder 31 drives the first sliding frame 211 to drive the first positioning pin 212, the first positioning block 213, the first clamping arm 214 and the first clamping cylinder 215 to approach A The first positioning pin 212 is inserted into the positioning hole of the A-pillar 51 or the C-pillar 53, the first positioning block 213 abuts on one side surface of the A-pillar 51 or the C-pillar 53, the first clamping cylinder 215 The first clamping arm 214 is driven to drive the first abutting block 216 to abut the other side surface of the A-pillar 51 or the C-pillar 53, so that the first abutting block 216 and the first positioning block 213 cooperate to clamp the A-pillar 51 Or C-pillar 53, so as to ensure the assembly stability of A-pillar 51 or C-pillar 53 during the overall assembly of the automobile; after the overall assembly of the automobile is completed, the first clamping cylinder 215 first drives the first clamping arm 214 to drive the first abutment The connecting block 216 is far away from the A-pillar 51 or the C-pillar 53, to loosen the A-pillar 51 or the C-pillar 53, and then the first driving cylinder 31 drives the first sliding frame 211 to drive the first positioning pin 212, the first positioning block 213, and the A clamping arm 214 and the first clamping cylinder 215 are far away from the A-pillar 51 or the C-pillar 53, so that the A-pillar 51 or the C-pillar 53 can escape the restriction of the first positioning pin 212 and the first positioning block 213. At the same time, in this embodiment, the first mounting frame 11, the first driving cylinder 31 and the first positioning and clamping mechanism 21 can be arranged according to the specific structure of the A pillar 51 and the C pillar 53, as shown in FIG. 3 Corresponding to the A-pillar 51, the structural schematic diagram of FIG. 4 may correspond to the B-pillar 52.

More specifically, the first mounting frame 11 is provided with two first sliding rails 217 at intervals, and the first sliding frame 211 is slidably engaged with the two first sliding rails 217, and the first driving cylinder 31 can drive the first sliding rails. The frame 211 moves along the first sliding rail 217, so as to ensure the stability of the movement of the first sliding frame 211.

In one embodiment, referring to Figures 1, 2 and 5, the mounting frame set 19 further includes a second mounting frame 12 arranged on the mounting beam 18; the driving device 3 further includes two mounting frames separately arranged at both ends of the second mounting frame 12. A second driving cylinder 32; the first positioning and clamping device 2 also includes two second positioning and clamping mechanisms 22 slidably arranged on the second mounting frame 12; two second driving cylinders 32 and two second positioning clamps The tightening mechanisms 22 are connected in a one-to-one correspondence, and the two second driving cylinders 32 are used to drive the two second positioning and clamping mechanisms 22 to move away from each other, so that the two second positioning and clamping mechanisms 22 are respectively opposed to two spaced apart The B-pillar 52 of the side panel assembly 5 is positioned and clamped. At the same time, the two second driving cylinders 32 can respectively drive the two second positioning and clamping mechanisms 22 to move toward each other, so that the two second positioning and clamping mechanisms 22 are respectively away from the B-pillars 52 of the two side panel assemblies 5. That is, during the overall assembly of the car, the mounting beam 18 can be placed on the top of the car, and the second mounting frame 12 can extend into the interior of the car, and the two second driving cylinders 32 can respectively drive two second positioning clamps. The mechanism 22 is close to the B-pillars 52 of the two side panel assemblies 5 arranged at intervals, so that the two second positioning and clamping mechanisms 22 respectively position and clamp the B-pillars 52 of the two side panel assemblies 5, so that the B-pillars 52 of the two side panel assemblies 5 can be positioned and clamped. Realize the positioning and clamping of the B-pillar 52 of the side panel assembly 5 from the inside of the car; after the overall assembly of the car is completed, the two first driving cylinders 31 can respectively drive the two second positioning and clamping mechanisms 22 away from the two The B-pillar 52 of the side panel assembly 5 allows the two second positioning and clamping mechanisms 22 to be retracted to the second mounting frame 12.

It should be particularly noted that when the two first mounting frames 11 are arranged on the mounting beam 18 at intervals, the second mounting frame 12 can be arranged between the two first mounting frames 11, but the application is not limited to this, when A When the column 51 and the C column 53 share the same first mounting frame 11, the second mounting frame 12 is not provided on the mounting beam 18, and the B column 52 of the side panel assembly 5 is not positioned and clamped.

Specifically, the second positioning and clamping mechanism 22 includes a second sliding frame 221 slidably arranged on the second mounting frame 12, and a second positioning block 222 and a second clamping cylinder arranged on the second sliding frame 221 223. The second clamping arm 224 connected to the second clamping cylinder 223, and the second positioning pin 225 and the second abutting block 226 provided on the second clamping arm 224; the second sliding frame 221 and the The two driving cylinders 32 are connected; the second positioning block 222 is used to abut against one side surface of the B-pillar 52, and the second clamping cylinder 223 is used to drive the second clamping arm 224 to drive the second positioning pin 225 and the second abutment The block 226 is close to the B-pillar 52, so that the second positioning pin 225 cooperates with the positioning hole of the B-pillar 52 to locate the B-pillar 52, and the second abutting block 226 abuts against the other side surface of the B-pillar 52, and The two abutting blocks 226 and the second positioning block 222 cooperate to clamp the B-pillar 52. That is, during the overall assembly process of the automobile, the second driving cylinder 32 drives the second sliding frame 221 to drive the second positioning block 222, the second clamping cylinder 223 and the second clamping arm 224 to approach the B-pillar 52, so that the first The second positioning pin 225 on the second clamping arm 224 is inserted into the positioning hole of the B-pillar 52, the second positioning block 222 abuts on one side surface of the B-pillar 52, and the second clamping cylinder 223 drives the second clamping arm 224 to drive The second abutting block 226 abuts against the other side surface of the B-pillar 52, so that the second abutting block 226 and the second positioning block 222 cooperate to clamp the B-pillar 52, so as to ensure that the B-pillar 52 is in the overall assembly process of the car. After the overall assembly of the car is completed, the second clamping cylinder 223 first drives the second clamping arm 224 to drive the second abutment block 226 away from the B-pillar 52 to loosen the B-pillar 52, and then the second drive cylinder 32 Drive the second sliding frame 221 to drive the second positioning pin 225 and the second positioning block 222 on the second clamping arm 224 away from the B-pillar 52, so that the B-pillar 52 can be separated from the second positioning pin 225 and the second positioning block 222 limit.

More specifically, referring to FIG. 5, the second mounting frame 12 is provided with two second sliding rails 227 at intervals, and the second sliding frame 221 is slidably engaged with the two second sliding rails 227, and the second driving cylinder 32 can drive The second sliding frame 221 moves along the second sliding rail 227, so as to ensure the stability of the movement of the second sliding frame 221.

In one embodiment, referring to Figures 1, 2 and 6, the mounting frame set 19 further includes a third mounting frame 13 arranged on the mounting beam 18; the driving device 3 also includes a third mounting frame 13 arranged on the third mounting frame 13. The driving cylinder 33; the first positioning and clamping device 2 also includes a third sliding frame 23 slidably arranged on the third mounting frame 13, and two third positioning and clamping mechanisms 24 separately arranged at both ends of the third sliding frame 23 ; The third sliding frame 23 and the third driving cylinder 33 are connected, and the third driving cylinder 33 is used to drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 close to the two side enclosure assemblies 5 arranged at intervals The two third positioning and clamping mechanisms 24 respectively position and clamp the two D-pillars 54 and the tailgate frame at both ends of the two D-pillars 54 and the tailgate frame. At the same time, the third driving cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 away from the D pillar 54 and the tailgate frame of the two side enclosure assemblies 5 arranged at intervals, so that the two D pillars 54 and the tailgate frame are separated from the restriction of the two third positioning and clamping mechanisms 24. In the present application, the D-pillars 54 of the two side panel assemblies 5 arranged at intervals and the tailgate frame arranged between the two D-pillars 54 surround the tailgate hole of the car, that is, during the overall assembly of the car, install The cross beam 18 can be placed on the top of the car, and the third mounting frame 13 is arranged facing the tailgate hole of the car. The third driving cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 to approach the two D-pillars. 54 and the tailgate frame, one of the third positioning and clamping mechanism 24 is close to one D-pillar 54 and one end of the tailgate frame, and the other third positioning and clamping mechanism 24 is close to the other D-pillar 54 and the other end of the tailgate frame. The three positioning and clamping mechanism 24 respectively position and clamp the corresponding D-pillar 54 and the tailgate frame, so that the D-pillar 54 and the tailgate frame can be positioned and clamped from the inside of the car; after the overall assembly of the car is completed, the third drive The air cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 away from the D-pillar 54 and the tailgate frame of the two side panel assemblies 5, so that the third sliding frame 23 and the two third positioning The clamping mechanism 24 is retracted to the third mounting frame 13. At the same time, both ends of the third mounting frame 13 are respectively provided with third sliding rails 247 that are slidably engaged with the third sliding frame 23, and the third driving cylinder 33 can drive the third sliding frame 23 to move along the third sliding rail 247. Thus, the stability of the movement of the third sliding frame 23 is ensured.

Further, please refer to FIG. 1, FIG. 2 and FIG. 6 again. The third positioning and clamping mechanism 24 includes a third positioning pin 241, a third positioning block 242, and two clamping assemblies 243 that are arranged on the third sliding frame 23. ; The third positioning pin 241 is used to match the positioning hole of the tailgate frame, the third positioning block 242 is used to abut the tailgate frame, and the two clamping components 243 are used to clamp the upper edge and the rear edge of the D-pillar 54 respectively Tight; clamping assembly 243 includes a third clamping cylinder 244 and two third clamping arms 245 arranged on the third sliding frame 23, the two third clamping arms 245 are relatively spaced apart, two third clamps One end of the tightening arm 245 is respectively connected to the third clamping cylinder 244, and the other ends of the two third clamping arms 245 are respectively provided with a third abutting block 246; the third clamping cylinder 244 is used to drive the two third clamping arms 245. The clamping arm 245 drives the two third abutting blocks 246 to approach each other, so that the two third abutting blocks 246 cooperate to clamp the D-pillar 54. In the present application, the two third clamping arms 245 are movably hinged to the third sliding frame 23 respectively. At the same time, the cylinder of the third clamping cylinder 244 is movably arranged, one of the third clamping arms 245 is connected to the cylinder of the third clamping cylinder 244, and the other third clamping arm 245 is connected to the third clamping cylinder 244. Output shaft connection. That is, during the overall assembly of the automobile, the third driving cylinder 33 drives the third sliding frame 23 to drive the third positioning pin 241, the third positioning block 242 and the two clamping components 243 to approach the D-pillar 54 and the tailgate frame. The three positioning pins 241 are inserted into the positioning holes of the tailgate frame, and the third positioning block 242 abuts on one side surface of the tailgate frame to press the tailgate frame against the D pillar 54. The two clamping components 243 respectively face the upper edge of the D pillar 54 Clamping with the rear edge to ensure the stability of the assembly of the D-pillar 54 and the tailgate frame during the overall assembly of the automobile; after the assembly of the automobile is completed, the third clamping cylinder 244 in the clamping assembly 243 drives the two first The three clamping arms 245 drive the two third abutting blocks 246 away from each other to loosen the D-pillar 54, and then the third driving cylinder 33 drives the third sliding frame 23 to drive the third positioning pin 241, the third positioning block 242 and The two clamping assemblies 243 are far away from the D-pillar 54 and the tailgate frame, so that the tailgate frame can escape the restriction of the third positioning pin 241 and the third positioning block 242.

In this application, it should be particularly noted that the third mounting frame 13 is placed on the outside of the car facing the tailgate hole of the car, and does not extend into the interior of the car, but the third mounting frame 13 is located between the two side panel assemblies 5. , And the third drive cylinder 33 can drive the third sliding frame 23 to move toward the direction close to the tailgate hole, so that the third positioning and clamping mechanism 24 can be partially extended into the interior of the car, and is opposed to the D-pillar 54 of the side panel assembly 5. Perform clamping.

In one embodiment, referring to Figures 1, 2 and 7, the mounting frame set 19 further includes two fourth mounting frames 14 separately arranged on both sides of the mounting beam 18, and the fourth mounting frame 14 includes two fourth mounting frames 14 arranged on the main frame 1. The base 141 of the base 141, and the mounting plate 142 movably hinged to the base 141; the driving device 3 also includes a fourth driving cylinder 34, the cylinder of the fourth driving cylinder 34 is arranged on the mounting plate 142 of one of the fourth mounting frames 14 , The output shaft of the fourth driving cylinder 34 is connected to the mounting plate 142 of the other fourth mounting frame 14; the first positioning and clamping device 2 also includes two fourth positioning and clamping mechanisms 25 separately provided on the two mounting plates 142 ; The fourth driving cylinder 34 is used to drive the two fourth positioning and clamping mechanisms 25 close to the upper side beam 55 of the two side enclosure assemblies 5 arranged at intervals, so that the two fourth positioning and clamping mechanisms 25 are on the two upper sides respectively The beam 55 is clamped. At the same time, the fourth driving cylinder 34 can also drive the two fourth positioning and clamping mechanisms 25 away from the upper side beam 55 respectively. That is, during the overall assembly of the car, the mounting beam 18 can be placed on the top of the car, and the two fourth mounting frames 14 can extend into the interior of the car, and the output shaft of the fourth driving cylinder 34 continues to extend outward to drive the car. The connected mounting plate 142 drives the fourth positioning and clamping mechanism 25 to approach the upper side beam 55 on one side. Due to the mutual force action, the mounting plate 142 connected to the cylinder of the fourth driving cylinder 34 can also drive the fourth positioning. The clamping mechanism 25 is close to the upper side beam 55 on the other side, so that the upper side beam 55 of the side panel assembly 5 can be clamped from the inside of the car; after the overall assembly of the car is completed, the output axial cylinder of the fourth drive cylinder 34 The inside of the body is retracted to drive the mounting plate 142 connected to it to drive the fourth positioning and clamping mechanism 25 away from the upper side beam 55 on one side. At the same time, the mounting plate 142 and the base 141 connected to the cylinder of the fourth driving cylinder 34 are It is hinged and loses the supporting function of the fourth driving cylinder 34, so that the mounting plate 142 connected to the cylinder of the fourth driving cylinder 34 can also drive the fourth positioning and clamping mechanism 25 away from the upper side beam 55 on the other side. In addition, multiple sets of fourth mounting brackets 14 can be provided on the mounting beam 18 at intervals. A set of fourth mounting brackets 14 is the two fourth mounting brackets 14 arranged on opposite sides of the main frame 1 as described above, and each of the fourth mounting brackets 14 The four mounting frames 14 are respectively provided with a corresponding fourth driving cylinder 34 and two fourth positioning and clamping mechanisms 25, so that different parts of the upper side beam 55 can be clamped to ensure the reliability of clamping.

Specifically, the fourth positioning and clamping mechanism 25 includes two fourth positioning blocks 251 and two fourth clamping arms 252 arranged on the mounting plate 142, and a second fourth clamping arm 252 connected to the two fourth clamping arms 252, respectively. Four clamping cylinders 253; two fourth positioning blocks 251 are arranged between the two fourth clamping arms 252, and the free ends of the two fourth clamping arms 252 are respectively provided with fourth abutting blocks 254, two The fourth positioning block 251 and the two fourth abutting blocks 254 are respectively arranged opposite to each other; the two fourth positioning blocks 251 are used for abutting against one side surface of the upper side beam 55, and the fourth clamping cylinder 253 is used for driving The two fourth clamping arms 252 drive the two fourth abutting blocks 254 to approach the other side surface of the upper side beam 55, so that the fourth abutting block 254 on one of the fourth clamping arms 252 and the corresponding first The four positioning blocks 251 cooperate to clamp the upper edge of the upper side beam 55, and the fourth abutment block 254 on the other fourth clamping arm 252 cooperates with the correspondingly provided fourth positioning block 251 to clamp the lower edge of the upper side beam 55. Clamp. In this application, the two fourth clamping arms 252 are movably hinged to the mounting plate 142 respectively. At the same time, the fourth clamping cylinder 253 can also drive the two fourth clamping arms 252 to drive the two fourth abutting blocks 254 to move away from the corresponding fourth positioning blocks 251 to relax the upper side beam 55. In this application, the cylinder of the fourth clamping cylinder 253 is movably arranged, one fourth clamping arm 252 is connected to the cylinder of the fourth clamping cylinder 253, and the other fourth clamping arm 252 is connected to the fourth clamping cylinder 253. When the output shaft of the fourth clamping cylinder 253 continues to extend, the cylinder of the fourth clamping cylinder 253 moves in a direction away from the extension of the output shaft of the fourth clamping cylinder 253, so that the The fourth abutment block 254 on the fourth clamping arm 252 connected to the output shaft of the four clamping cylinder 253 is close to the corresponding fourth mounting block to clamp the lower edge of the upper side beam 55, and the cylinder of the fourth clamping cylinder 253 The fourth abutment block 254 on the fourth clamping arm 252 connected to the body can also be close to the corresponding fourth mounting block to clamp the upper edge of the upper side beam 55; when the output shaft of the fourth clamping cylinder 253 moves toward the cylinder block When retracting, the movement direction of the cylinder of the fourth clamping cylinder 253 is consistent with the direction in which the output shaft of the fourth clamping cylinder 253 extends, so that the fourth abutting blocks 254 of the two fourth clamping arms 252 Move toward the direction away from the corresponding fourth positioning block 251 respectively, and loosen the upper edge and the lower edge of the upper side beam 55.

In addition, referring to Figure 1, the automobile general assembly fixture system also includes a second positioning and clamping device 4, the second positioning and clamping device 4 is fixed on the mounting beam 18, and the second positioning and clamping device 4 is placed on the top of the automobile so that the second positioning and clamping device 4 is placed on the top of the automobile. The second positioning and clamping device 4 positions and clamps the roof cross beam 6 and the front wall upper cover (not shown) of the automobile.

In an embodiment, referring to Figures 1, 2 and 8, the mounting frame set 19 further includes two fifth mounting frames 15 separately arranged on both sides of the mounting beam 18; the second positioning and clamping device 4 also includes Two fifth positioning and clamping mechanisms 41 on the two fifth mounting frames 15; the fifth positioning and clamping mechanism 41 includes a fourth positioning pin 411, a fifth positioning block 412, and a fifth positioning pin 411 provided on the fifth mounting frame 15 The clamping arm 413 and the fifth clamping cylinder 414, one end of the fifth clamping arm 413 is connected to the fifth clamping cylinder 414, and the other end of the fifth clamping arm 413 is provided with a fifth abutting block 415; fourth positioning The pin 411 is used to cooperate with the positioning hole of the middle beam 62 of the roof beam 6 to position the middle beam 62. The fifth positioning block 412 is used to abut against one side surface of the middle beam 62, and the fifth clamping cylinder 414 It is used to drive the fifth clamping arm 413 to drive the fifth abutment block 415 to approach the other side surface of the middle cross beam 62 so that the fifth abutment block 415 and the fifth positioning block 412 cooperate to clamp the middle cross beam 62. In the present application, the fifth clamping arm 413 is movably hinged to the fifth mounting frame 15. That is, during the overall assembly of the car, the mounting beam 18 can be placed on the top of the car, and the fifth mounting frame 15 corresponds to the middle cross beam 62 of the roof cross beam 6, and the fourth positioning pin 411 is directly inserted into the positioning hole of the middle cross beam 62 , The fifth positioning block 412 abuts against the upper edge of the middle beam 62, the fifth clamping cylinder 414 can drive the fifth clamping arm 413 to drive the fifth abutment block 415 to approach the lower edge of the middle beam 62, so that the fifth abutment The connecting block 415 and the fifth positioning block 412 cooperate to clamp the middle cross beam 62 to ensure the assembling stability of the middle cross beam 62 during the overall assembly of the automobile; after the overall assembly of the automobile is completed, the fifth clamping cylinder 414 can drive the first The five clamping arms 413 drive the fifth abutment block 415 away from the lower edge of the middle cross beam 62 to loosen the middle cross beam 62, and then remove the car that has completed the assembly work.

At the same time, referring to Figures 1, 2 and 10, the mounting frame set 19 also includes two sets of seventh mounting frames 17 arranged on the mounting beam 18 at intervals of the fifth mounting frame 15. Any set of seventh mounting frames 17 includes two The seventh mounting bracket 17 and the two seventh mounting brackets 17 are separately provided on both sides of the mounting beam 18. Each seventh mounting frame 17 may be provided with a sixth positioning and clamping mechanism 43, and the two sixth positioning and clamping mechanisms 43 provided on the two seventh mounting frames 17 on the front side of the fifth mounting frame 15 are used for clamping The front crossbeam 61 of the top cover crossbeam 6 is tight, and the two sixth positioning and clamping mechanisms 43 arranged on the two seventh mounting frames 17 on the rear side of the fifth mounting frame 15 are used to clamp the rear crossbeam 63 of the top cover crossbeam 6 . The sixth positioning and clamping mechanism 43 includes a sixth clamping arm 431 and a sixth clamping cylinder 432 arranged on the seventh mounting frame 17, a fifth sliding frame 433 connected to the sixth clamping cylinder 432, and a On the sixth positioning pin 434 and the sixth positioning block 435 on the fifth sliding frame 433, one end of the sixth clamping arm 431 is movably hinged to the seventh mounting frame 17, and the other end of the sixth clamping arm 431 is provided with a sixth The abutting block 436, the sixth abutting block 436, and the sixth positioning block 435 are relatively spaced apart. The sixth clamping cylinder 432 can drive the fifth sliding frame 433 to drive the sixth positioning pin 434 to approach the positioning hole of the front cross beam 61 or the rear cross beam 63, so that the sixth positioning pin 434 and the positioning hole of the front cross beam 61 or the rear cross beam 63 At the same time, the sixth clamping cylinder 432 drives the fifth sliding frame 433 to drive the sixth positioning block 435 to approach the upper edge of the front cross beam 61 or the rear cross beam 63 until the sixth positioning block 435 and the upper edge of the front cross beam 61 or the rear cross beam 63 Abut against the edges, and the lower edge of the front cross beam 61 or the rear cross beam 63 is pressed against the sixth abutment block 436, so that the sixth abutment block 436 and the sixth positioning block 435 cooperate with the front cross beam 61 or the rear cross beam 63 Clamping is performed to ensure the assembling stability of the front cross beam 61 or the rear cross beam 63 during the overall assembly process of the automobile.

In one embodiment, referring to Figures 1, 2 and 9, the mounting frame 19 further includes a sixth mounting frame 16 arranged on the mounting beam 18; the second positioning and clamping device 4 also includes a positioning and pressing mechanism 42, which is positioned The pressing mechanism 42 includes a pressing cylinder 421 arranged on the sixth mounting frame 16, a fourth sliding frame 422 slidably arranged on the sixth mounting frame 16, and a fifth positioning frame arranged on the fourth sliding frame 422. The pin 423, the limit rod 424 and the compression block 425, the fourth sliding frame 422 is connected with the compression cylinder 421; the compression cylinder 421 is used to drive the fourth sliding frame 422 to drive the fifth positioning pin 423 and the limit rod 424 And the pressing block 425 is close to the front wall upper cover, so that the fifth positioning pin 423 cooperates with the positioning hole of the front wall upper cover to position the front wall upper cover. The limit rod 424 is connected to the side of the front wall upper cover. The edge abuts to limit the front wall upper cover, and the pressing block 425 abuts against the upper end surface of the front wall upper cover to compress the front wall upper cover. That is, during the overall assembly of the car, the mounting beam 18 can be placed on the top of the car, and the compression cylinder 421 drives the fourth sliding frame 422 to drive the fifth positioning pin 423, the limit rod 424 and the compression block 425 to approach the front wall. The upper cover, so that the fifth positioning pin 423 is inserted into the positioning hole of the upper front cover to position the upper front cover. The limit rod 424 abuts against the side edge of the upper front cover to align the upper front cover. To limit the position, the pressing block 425 abuts against the upper end surface of the front wall upper cover to compress the front wall upper cover, so as to ensure the assembly stability of the front wall upper cover during the overall assembly of the car; After the assembly is completed, the pressing cylinder 421 drives the fourth sliding frame 422 to drive the fifth positioning pin 423, the limit rod 424 and the pressing block 425 away from the front wall upper cover, so that the front wall upper cover is separated from the fifth positioning pin 423. The limit rod 424 and the compression block 425 are restricted. At the same time, both ends of the sixth mounting frame 16 are respectively provided with fourth sliding rails that are slidably engaged with the fourth sliding frame 422, and the pressing cylinder 421 can drive the fourth sliding frame 422 to move along the fourth sliding rail, thereby ensuring the The stability of the movement of the four sliding frame 422.

In the present application, the automobile general assembly fixture system includes a first positioning and clamping device 2 and a second positioning and clamping device 4 arranged on the mounting frame group 19. The first positioning and clamping device 2 is placed in the interior of the car, and the side panel assembly 5 and the tailgate frame of the car are respectively positioned and clamped from the interior of the car. Two first drive cylinders are arranged on the first mounting frame 11 31 can respectively drive the corresponding two first positioning and clamping mechanisms 21 to move in the direction of the A-pillar 51 or C-pillar 53 of the two side panel assemblies 5 in the interior of the automobile, so that the two first positioning and clamping mechanisms 21 Positioning and clamping the A-pillar 51 or C-pillar 53 of the two side panel assemblies 5 respectively; the two second driving cylinders 32 arranged on the second mounting frame 12 can respectively drive the corresponding two second positioning and clamping The mechanism 22 moves in the direction of the B-pillars 52 of the two side panel assemblies 5 in the interior of the car, so that the two second positioning and clamping mechanisms 22 respectively position and clamp the B-pillars 52 of the two side panel assemblies 5 ; The third drive cylinder 33 provided on the third mounting frame 13 can drive the two third positioning and clamping mechanisms 24 provided on the third sliding frame 23 in the inner side of the car close to the D of the two side panel assemblies 5 Column 54 and the tailgate frame, so that the two third positioning and clamping mechanisms 24 respectively clamp the D-pillars 54 of the two side panel assemblies 5 and position the two ends of the tailgate frame; set in the two fourth installations The fourth driving cylinder 34 on the frame 14 can drive the two fourth positioning and clamping mechanisms 25 to move in the direction close to the upper side beams 55 of the two side panel assemblies 5 in the interior of the automobile, so that the two fourth positioning and clamping mechanisms 25. Clamp the upper side beams 55 of the two side panel assemblies 5 respectively. That is, the first positioning and clamping mechanism 21 for positioning and clamping the A-pillar 51 or the C-pillar 53 of the side panel assembly 5 can be used to The second positioning and clamping mechanism 22 for positioning and clamping the B-pillar 52, the third positioning and clamping mechanism 24 for positioning and clamping the D-pillar 54 and the fourth positioning and clamping mechanism 25 for clamping the top side rail 55 are built-in It is located between the two side panel assemblies 5 of the car, so as to avoid the phenomenon of occupying the outer space of the car due to the use of side frame assembly technology, which is conducive to obtaining a larger layout space for the welding robot and improving the welding performance. Reachability.

In addition, the second positioning and clamping device 4 is placed on the top of the car, and the top cover beam 6 and the front wall upper cover of the car are respectively positioned and clamped from the top of the car, which are separately arranged on the two fifth mounting frames 15 The two fifth positioning and clamping mechanisms 41 for positioning and clamping the middle beam 62 of the roof crossbeam 6; the two sixth positioning and clamping mechanisms on the two seventh mounting frames 17 on the front side of the fifth mounting frame 15 The mechanism 43 positions and clamps the front crossbeam 61 of the top cover crossbeam 6; the two sixth positioning and clamping mechanisms 43 on the two seventh mounting frames 17 on the rear side of the fifth mounting frame 15 perform positioning and clamping on the top cover crossbeam 6 The rear cross beam 63 is positioned and clamped; the positioning and pressing mechanism 42 provided on the sixth mounting frame 16 positions and compresses the front wall upper cover, so that the fifth positioning and clamping mechanism 41, The sixth positioning and clamping mechanism 43 and the positioning and pressing mechanism 42 position and clamp the roof cross beam 6 and the front wall upper cover of the automobile, that is, the first positioning and clamping device 2 and the second positioning and clamping device 4 can be matched Realize the overall positioning of the car.

In addition, this application also provides a multi-model general assembly three-dimensional library, where the multi-model general assembly three-dimensional library includes a production line provided with multiple storage locations, and multiple automobile general assembly fixture systems as described above, and multiple automobile general assembly systems. The fixture systems are set corresponding to different vehicle types, and the multiple installation beams 18 of multiple automobile general assembly fixture systems are respectively installed in different storage locations. Since the multi-model general assembly three-dimensional library adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not be repeated here.

Specifically, the production line can be equipped with online storage locations, switching locations, and multiple storage locations. Multiple storage locations are used to store different car assembly fixture systems for different models. The specific structure and structure of the car assembly fixture system can be adjusted. The size is arranged accordingly to meet the needs of different vehicle types. At the same time, the online storage location of the production line can be provided with an online device, the storage location is provided with a spreader device, and the switching location is provided with a moving device. When there is a car assembly jig system that needs to go online, the moving device can drive the spreader device to move to the on-line storage location. The on-line device hoists the car assembly jig system on the spreader device, and then the mobile device drives the spreader device and the hoist. The car assembly fixture system on the tool device enters the corresponding storage location. In addition, the production line can also be equipped with a lifting device under the on-line device, and the lifting device is used to lift the automobile assembly fixture system to the spreader device.

The above are only the preferred embodiments of the application, and do not limit the scope of the patent for this application. Any equivalent structure or equivalent process transformation made using the content of the description and drawings of the application, or directly or indirectly applied to other related technical fields , The same reason is included in the scope of patent protection of this application.

Claims

An automobile general assembly fixture system, wherein the automobile general assembly fixture system includes:

A main frame, the main frame including a mounting beam and a mounting frame set arranged on the mounting beam;

The first positioning and clamping device, the first positioning and clamping device is movably arranged on the mounting frame group, and the mounting frame group is used to be placed between the two side panel assemblies of the automobile to Placing the first positioning and clamping device inside the automobile;

The driving device is arranged on the mounting frame group, and the driving device is used to drive the first positioning and clamping device to move relative to the mounting frame group, so that the first positioning and clamping device is moved from The interior of the automobile positions and clamps the two side panel assemblies and the tailgate frame of the automobile.
The automobile assembly jig system according to claim 1, wherein the mounting frame group includes a first mounting frame arranged on the mounting beam; the driving device includes two mounting frames separately arranged at both ends of the first mounting frame. A first driving cylinder; the first positioning and clamping device includes two first positioning and clamping mechanisms slidably arranged on the first mounting frame; two first driving cylinders and two first The positioning and clamping mechanisms are connected in one-to-one correspondence, and the two first driving cylinders are used to drive the two first positioning and clamping mechanisms to move away from each other, so that the two first positioning and clamping mechanisms are spaced apart. The A-pillars or C-pillars of the two side wall assemblies are positioned and clamped.
The automobile assembling fixture system according to claim 2, wherein the first positioning and clamping mechanism includes a first sliding frame slidably arranged on the first mounting frame, and a first sliding frame arranged on the first sliding frame The first positioning pin, the first positioning block, the first clamping arm and the first clamping cylinder; the first sliding frame is connected with the first driving cylinder; one end of the first clamping arm is connected to The first clamping cylinder is connected, and the other end of the first clamping arm is provided with a first abutting block; the first positioning pin is used to cooperate with the positioning hole of the A-pillar or the C-pillar, In order to position the A-pillar or the C-pillar, the first positioning block is used to abut a side surface of the A-pillar or the C-pillar, and the first clamping cylinder is used to drive the The first clamping arm drives the first abutment block to approach the other side surface of the A-pillar or the C-pillar, so that the first abutment block and the first positioning block cooperate with the The A-pillar or the C-pillar is clamped.
The automobile general assembly fixture system according to claim 1, wherein the mounting frame group further comprises a second mounting frame arranged on the mounting beam; the driving device further comprises two mounting frames separately arranged on the second mounting frame The first positioning and clamping device also includes two second positioning and clamping mechanisms that are slidably arranged on the second mounting frame; the two second driving cylinders and the two The second positioning and clamping mechanisms are connected in one-to-one correspondence, and the two second driving cylinders are used to drive the two second positioning and clamping mechanisms to move away from each other, so that the two second positioning and clamping mechanisms are Positioning and clamping the B-pillars of the two side enclosure assemblies arranged at intervals respectively.
The automobile general assembly fixture system according to claim 4, wherein the second positioning and clamping mechanism includes a second sliding frame slidably arranged on the second mounting frame, and a second sliding frame arranged on the second sliding frame. The second positioning block and the second clamping cylinder on the frame, the second clamping arm connected with the second clamping cylinder, and the second positioning pin and the second abutment provided on the second clamping arm Connecting block; the second sliding frame is connected to the second driving cylinder; the second positioning block is used to abut on a side surface of the B-pillar, and the second clamping cylinder is used to drive the The second clamping arm drives the second positioning pin and the second abutment block to approach the B-pillar, so that the second positioning pin and the positioning hole of the B-pillar cooperate with the B-pillar. Positioning, and the second abutting block abuts against the other side surface of the B-pillar, and the second abutting block and the second positioning block cooperate to clamp the B-pillar.
The automobile general assembly fixture system according to claim 1, wherein the mounting frame group further comprises a third mounting frame arranged on the mounting beam; the driving device further comprises a third mounting frame arranged on the third mounting frame The third driving cylinder; the first positioning clamping device also includes a third sliding frame slidably arranged on the third mounting frame, and two third positioning clamps separately arranged at both ends of the third sliding frame Tightening mechanism; the third sliding frame and the third driving cylinder are connected, and the third driving cylinder is used to drive the third sliding frame to drive the two third positioning and clamping mechanisms to be arranged close to and spaced apart The two D-pillars and the tailgate frame of the two side panel assemblies, so that the two third positioning and clamping mechanisms respectively position and clamp the two ends of the two D-pillars and the tailgate frame tight.
The automobile general assembly fixture system according to claim 6, wherein the third positioning and clamping mechanism includes a third positioning pin, a third positioning block and two clamping components arranged on the third sliding frame The third positioning pin is used to cooperate with the positioning hole of the tailgate frame, the third positioning block is used to abut the tailgate frame, and the two clamping components are used for the D-pillars respectively. The upper edge and the rear edge of the clamp are clamped; the clamping assembly includes a third clamping cylinder and two third clamping arms arranged on the third sliding frame, and the two third clamping arms Are arranged relatively spaced apart, one ends of the two third clamping arms are respectively connected with the third clamping cylinder, and the other ends of the two third clamping arms are respectively provided with third abutting blocks; The third clamping cylinder is used to drive the two third clamping arms to drive the two third abutment blocks to approach each other, so that the two third abutment blocks cooperate to clamp the D-pillar tight.
The automobile general assembly fixture system according to claim 1, wherein the mounting frame group further includes two fourth mounting frames separately arranged on both sides of the mounting beam, and the fourth mounting frame includes two fourth mounting frames arranged on the main The base on the frame, and the mounting plate movably hinged with the base; the driving device further includes a fourth driving cylinder, the cylinder of the fourth driving cylinder is arranged on the bottom of one of the fourth mounting frames On the mounting plate, the output shaft of the fourth driving cylinder is connected to the mounting plate of the other fourth mounting frame; the first positioning and clamping device also includes two mounting plates separately provided Two fourth positioning and clamping mechanisms; the fourth driving cylinder is used to drive the two fourth positioning and clamping mechanisms close to the upper side beams of the two side enclosure assemblies arranged at intervals, so that the two The fourth positioning and clamping mechanism clamps the two upper side beams respectively.
The automobile assembling fixture system according to claim 8, wherein the fourth positioning and clamping mechanism includes two fourth positioning blocks and two fourth clamping arms arranged on the mounting plate, and respectively A fourth clamping cylinder connected to the two fourth clamping arms; the two fourth positioning blocks are arranged between the two fourth clamping arms, and the two fourth clamping arms The free ends of the two are respectively provided with fourth abutting blocks, and the two fourth positioning blocks and the two fourth abutting blocks are respectively arranged one by one opposite to each other; the two fourth positioning blocks are used to communicate with the One side surface of the upper side beam abuts, and the fourth clamping cylinder is used to drive the two fourth clamping arms to drive the two fourth abutting blocks to approach the other side surface of the upper side beam, The two fourth abutting blocks respectively cooperate with the two fourth positioning blocks to clamp the upper edge and the lower edge of the upper side beam.
The automobile general assembly jig system according to claim 1, wherein the automobile general assembly jig system further comprises a second positioning and clamping device, the second positioning and clamping device is fixed on the installation beam, and the first A second positioning and clamping device is placed on the top of the automobile, so that the second positioning and clamping device can position and clamp the roof crossbeam and the front wall upper cover of the automobile.
The automobile general assembly fixture system according to claim 10, wherein the mounting frame group further includes two fifth mounting frames separately arranged on both sides of the mounting beam; the second positioning and clamping device further includes two The fifth positioning and clamping mechanism, the two fifth positioning and clamping mechanisms are respectively correspondingly arranged on the two fifth mounting frames; the fifth positioning and clamping mechanism includes the fifth mounting frame The fourth positioning pin, the fifth positioning block, the fifth clamping arm and the fifth clamping cylinder, one end of the fifth clamping arm is connected to the fifth clamping cylinder, and the other of the fifth clamping arm One end is provided with a fifth abutment block; the fourth positioning pin is used to cooperate with the positioning hole of the middle beam of the roof beam to position the middle beam, and the fifth positioning block is used to One side surface of the middle cross beam abuts, and the fifth clamping cylinder is used to drive the fifth clamping arm to drive the fifth abutment block to approach the other side surface of the middle cross beam so that The fifth abutting block and the fifth positioning block cooperate to clamp the middle beam.
The automobile general assembly fixture system according to claim 10, wherein the mounting frame group further includes a sixth mounting frame arranged on the mounting beam; the second positioning and clamping device further includes a positioning and pressing mechanism, The positioning and pressing mechanism includes a pressing cylinder arranged on the sixth mounting frame, a fourth sliding frame slidably arranged on the sixth mounting frame, and a fourth sliding frame arranged on the fourth sliding frame. The fifth positioning pin, the limiting rod and the compression block, the fourth sliding frame is connected to the compression cylinder; the compression cylinder is used to drive the fourth sliding frame to drive the fifth positioning pin , The limit rod and the compression block are close to the front wall upper cover plate, so that the fifth positioning pin and the positioning hole of the front wall upper cover plate cooperate with the front wall upper cover plate. Positioning, the limiting rod abuts against the side edge of the front wall upper cover to limit the front wall upper cover, and the compression block abuts against the upper end surface of the front wall upper cover The upper cover plate of the front wall is pressed tightly.
A multi-model general assembly three-dimensional library, wherein the multi-model general assembly three-dimensional library includes a production line provided with a plurality of storage locations, and an automobile general assembly jig system, and the automobile general assembly jig system includes:

A main frame, the main frame including a mounting beam and a mounting frame set arranged on the mounting beam;

The first positioning and clamping device, the first positioning and clamping device is movably arranged on the mounting frame group, and the mounting frame group is used to be placed between the two side panel assemblies of the automobile to Placing the first positioning and clamping device inside the automobile;

The driving device is arranged on the mounting frame group, and the driving device is used to drive the first positioning and clamping device to move relative to the mounting frame group, so that the first positioning and clamping device is moved from Positioning and clamping the two side wall assemblies and the tailgate frame of the car inside the car;

The multiple automobile general assembly fixture systems are respectively set corresponding to different vehicle models, and the multiple installation beams of the multiple automobile general assembly fixture systems are respectively installed on different storage locations.
The multi-model assembly three-dimensional warehouse according to claim 13, wherein the mounting frame group includes a first mounting frame arranged on the mounting beam; and the driving device includes separate mounting frames arranged at both ends of the first mounting frame. Two first driving cylinders; the first positioning and clamping device includes two first positioning and clamping mechanisms slidably arranged on the first mounting frame; two first driving cylinders and two first One positioning and clamping mechanism is connected in a one-to-one correspondence, and the two first driving cylinders are used to drive the two first positioning and clamping mechanisms to move away from each other, so that the two first positioning and clamping mechanisms are aligned with each other. The A-pillars or C-pillars of the two side enclosure assemblies arranged at intervals are positioned and clamped.
The multi-model assembly three-dimensional warehouse according to claim 13, wherein the mounting frame group further comprises a second mounting frame arranged on the mounting beam; the driving device further comprises a second mounting frame separately arranged on the second mounting frame Two second driving cylinders at both ends; the first positioning and clamping device also includes two second positioning and clamping mechanisms slidably arranged on the second mounting frame; two second driving cylinders and two The second positioning and clamping mechanisms are connected in one-to-one correspondence, and the two second driving cylinders are used to drive the two second positioning and clamping mechanisms to move away from each other, so that the two second positioning and clamping mechanisms are The mechanism respectively positions and clamps the B-pillars of the two side enclosure assemblies arranged at intervals.
The automobile general assembly fixture system according to claim 13, wherein the mounting frame group further comprises a third mounting frame arranged on the mounting beam; the driving device further comprises a third mounting frame arranged on the third mounting frame The third driving cylinder; the first positioning clamping device also includes a third sliding frame slidably arranged on the third mounting frame, and two third positioning clamps separately arranged at both ends of the third sliding frame Tightening mechanism; the third sliding frame and the third driving cylinder are connected, and the third driving cylinder is used to drive the third sliding frame to drive the two third positioning and clamping mechanisms to be arranged close to and spaced apart The two D-pillars and the tailgate frame of the two side panel assemblies, so that the two third positioning and clamping mechanisms respectively position and clamp the two ends of the two D-pillars and the tailgate frame tight.
The multi-model assembly three-dimensional library according to claim 13, wherein the mounting frame group further comprises two fourth mounting frames arranged on both sides of the mounting beam, and the fourth mounting frame includes The base on the main frame and the mounting plate movably hinged to the base; the driving device further includes a fourth driving cylinder, the cylinder of the fourth driving cylinder is arranged on one of the fourth mounting frames On the mounting plate, the output shaft of the fourth driving cylinder is connected to the mounting plate of the other fourth mounting frame; the first positioning and clamping device further includes separate installations on the two mounting plates The two fourth positioning and clamping mechanisms; the fourth drive cylinder is used to drive the two fourth positioning and clamping mechanisms close to the upper side beams of the two side enclosure assemblies arranged at intervals, so that the two The fourth positioning and clamping mechanism clamps the two upper side beams respectively.
The multi-model general assembly three-dimensional library according to claim 13, wherein the automobile general assembly fixture system further comprises a second positioning and clamping device, the second positioning and clamping device is fixed on the installation beam, the The second positioning and clamping device is placed on the top of the automobile, so that the second positioning and clamping device can position and clamp the roof crossbeam and the front wall upper cover of the automobile.
The multi-model assembly three-dimensional library according to claim 18, wherein the mounting frame group further includes two fifth mounting frames separately arranged on both sides of the mounting beam; the second positioning and clamping device further includes two Five positioning and clamping mechanisms, and the two fifth positioning and clamping mechanisms are respectively correspondingly arranged on the two fifth mounting frames; the fifth positioning and clamping mechanism includes the fifth positioning and clamping mechanisms arranged on the fifth mounting frame The fourth positioning pin, the fifth positioning block, the fifth clamping arm and the fifth clamping cylinder, one end of the fifth clamping arm is connected to the fifth clamping cylinder, and the fifth clamping arm The other end is provided with a fifth abutting block; the fourth positioning pin is used to cooperate with the positioning hole of the middle beam of the roof beam to position the middle beam, and the fifth positioning block is used to interact with One side surface of the middle cross beam abuts, and the fifth clamping cylinder is used to drive the fifth clamping arm to drive the fifth abutment block to approach the other side surface of the middle cross beam to The fifth abutting block and the fifth positioning block are matched to clamp the middle beam.
The multi-model assembly three-dimensional library according to claim 18, wherein the mounting frame group further includes a sixth mounting frame arranged on the mounting beam; the second positioning clamping device further includes a positioning and pressing mechanism , The positioning and pressing mechanism includes a pressing cylinder arranged on the sixth mounting frame, a fourth sliding frame slidably arranged on the sixth mounting frame, and a fourth sliding frame arranged on the fourth sliding frame The fifth positioning pin, the limit rod and the compression block of the fourth sliding frame are connected to the compression cylinder; the compression cylinder is used to drive the fourth sliding frame to drive the fifth positioning The pin, the limiting rod and the compression block are close to the front wall upper cover, so that the fifth positioning pin and the positioning hole of the front wall upper cover are matched to the front wall upper cover. For positioning, the limiting rod abuts against the side edge of the front wall upper cover to limit the front wall upper cover, and the pressing block abuts against the upper end surface of the front wall upper cover Compress the upper cover plate of the front wall.