CN112108794A

CN112108794A - Automobile total-assembly fixture system and multi-vehicle type total-assembly three-dimensional garage

Info

Publication number: CN112108794A
Application number: CN201911422214.7A
Authority: CN
Inventors: 董学羽; 周江奇; 雷志华; 代巍; 刘国斌
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-22
Also published as: WO2021134837A1

Abstract

The invention discloses an automobile general assembly fixture system and a multi-vehicle type general assembly three-dimensional garage, wherein the automobile general assembly fixture system comprises a main frame, a first positioning and clamping device and a driving device; the main frame comprises a mounting cross beam and a mounting frame group arranged on the mounting cross beam; the first positioning and clamping device is movably arranged on a mounting frame group, and the mounting frame group is used for being arranged between two side wall assemblies of the automobile so as to enable the first positioning and clamping device to be arranged in the automobile; the driving device is arranged on the mounting frame group and used for driving the first positioning and clamping device to move relative to the mounting frame group, so that the first positioning and clamping device can position and clamp two side wall assemblies and a tail door frame of the automobile from the inside of the automobile. The first positioning and clamping device for assembling the side wall assembly and the tail door frame of the automobile can be arranged in the automobile, so that larger arrangement space of the welding robot and more welding points can be obtained, and welding accessibility is improved.

Description

Automobile total-assembly fixture system and multi-vehicle type total-assembly three-dimensional garage

Technical Field

The invention relates to the technical field of automobile body manufacturing, in particular to an automobile total assembly fixture system and a multi-vehicle type total assembly three-dimensional garage.

Background

At present, the main forms in the vehicle body assembly technology are the side frame type assembly technology and the robot gripper type assembly technology, wherein in the side frame type assembly technology, because the positioning clamps of the side wall assembly are all arranged outside the vehicle body, the arrangement space of the welding robot is restricted and the welding accessibility is low.

Accordingly, there is a need for an automotive assembly jig system and a multi-vehicle assembly stereo garage that overcomes or alleviates at least the above-mentioned deficiencies of the prior art.

Disclosure of Invention

The invention mainly aims to provide an automobile total splicing fixture system and a multi-vehicle type total splicing three-dimensional garage, and aims to solve the technical problem that the arrangement space of a welding robot is restricted due to the fact that a side frame type positioning method is adopted to carry out total splicing positioning on an automobile.

In order to achieve the above object, the present invention provides an automobile assembly jig system, wherein the automobile assembly jig system comprises a main frame, a first positioning and clamping device and a driving device; the main frame comprises a mounting cross beam and a mounting frame group arranged on the mounting cross beam; the first positioning and clamping device is movably arranged on the mounting frame group, and the mounting frame group is used for being arranged between two side wall assemblies of the automobile, so that the first positioning and clamping device is arranged in the automobile; the driving device is arranged on the mounting frame group and used for driving the first positioning and clamping device to move relative to the mounting frame group, so that the first positioning and clamping device can be used for positioning and clamping two side wall assemblies and a tail door frame of the automobile from the inside of the automobile.

Preferably, the mounting bracket set comprises a first mounting bracket arranged on the mounting cross beam; the driving device comprises two first driving cylinders which are respectively arranged at two ends of the first mounting frame; the first positioning and clamping device comprises two first positioning and clamping mechanisms which are arranged on the first mounting frame in a sliding mode; the two first driving cylinders are connected with the two first positioning and clamping mechanisms in a one-to-one correspondence mode, and the two first driving cylinders are used for driving the two first positioning and clamping mechanisms to move in a back-to-back mode respectively, so that the two first positioning and clamping mechanisms can position and clamp the A columns or the C columns of the side wall assembly respectively, wherein the A columns or the C columns are arranged at intervals.

Preferably, the first positioning and clamping mechanism comprises a first sliding frame arranged on the first mounting frame in a sliding manner, and a first positioning pin, a first positioning block, a first clamping arm and a first clamping cylinder which are arranged on the first sliding frame; the first sliding frame is connected with the first driving cylinder; one end of the first clamping arm is connected with the first clamping cylinder, and the other end of the first clamping arm is provided with a first abutting block; the first positioning pin is used for being matched with a positioning hole of the column A or the column C to position the column A or the column C, the first positioning block is used for being abutted against one side surface of the column A or the column C, and the first clamping cylinder is used for driving the first clamping arm to drive the first abutting block to be close to the other side surface of the column A or the column C so that the first abutting block and the first positioning block are matched to clamp the column A or the column C.

Preferably, the mounting bracket set comprises a second mounting bracket arranged on the mounting cross beam; the driving device also comprises two second driving cylinders which are respectively arranged at two ends of the second mounting frame; the first positioning and clamping device further comprises two second positioning and clamping mechanisms which are arranged on the second mounting frame in a sliding mode; the two second driving cylinders are connected with the two second positioning and clamping mechanisms in a one-to-one correspondence mode, and the two second driving cylinders are used for respectively driving the two second positioning and clamping mechanisms to move in a back-to-back mode, so that the two second positioning and clamping mechanisms respectively position and clamp the B columns of the two side wall assemblies arranged at intervals.

Preferably, the second positioning and clamping mechanism comprises a second sliding frame arranged on the second mounting frame in a sliding manner, a second positioning block and a second clamping cylinder arranged on the second sliding frame, a second clamping arm connected with the second clamping cylinder, and a second positioning pin and a second abutting block arranged on the second clamping arm; the second sliding frame is connected with the second driving cylinder; the second positioning block is used for abutting against one side surface of the B column, the second clamping cylinder is used for driving the second clamping arm to drive the second positioning pin and the second abutting block to be close to the B column, so that the second positioning pin is matched with the positioning hole of the B column to position the B column, the second abutting block abuts against the other side surface of the B column, and the second abutting block is matched with the second positioning block to clamp the B column.

Preferably, the mounting bracket set comprises a third mounting bracket arranged on the mounting cross beam; the driving device further comprises a third driving cylinder arranged on the third mounting frame; the first positioning and clamping device further comprises a third sliding frame arranged on the third mounting frame in a sliding manner, and two third positioning and clamping mechanisms respectively arranged at two ends of the third sliding frame; the third slides and moves the frame with the third drives actuating cylinder and connects, the third drives actuating cylinder and is used for driving the third slides and moves the frame and drives two the third location clamping mechanism is close to two that the interval set up respectively the D post of side wall assembly with the tail-gate frame, so that two the third location clamping mechanism is respectively to two the D post with the both ends of tail-gate frame are fixed a position and are pressed from both sides tightly.

Preferably, the third positioning and clamping mechanism comprises a third positioning pin, a third positioning block and two clamping assemblies which are arranged on the third sliding frame; the third positioning pin is used for being matched with a positioning hole of the tail door frame, the third positioning block is used for being abutted against the tail door frame, and the two clamping assemblies are used for respectively clamping the upper edge and the rear edge of the D column; the clamping assembly comprises a third clamping cylinder and two third clamping arms, the third clamping cylinder and the two third clamping arms are arranged on the third sliding frame, the two third clamping arms are arranged at an interval, 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 and oppositely provided with a third butting block; the third clamping cylinder is used for respectively driving the two third clamping arms to drive the two third abutting blocks to be close to each other, so that the two third abutting blocks are matched to clamp the D column.

Preferably, the mounting frame group further comprises two fourth mounting frames respectively arranged at two sides of the mounting cross beam, and each fourth mounting frame comprises a base arranged on the main frame and a mounting plate movably hinged with the base; the driving device further comprises a fourth driving cylinder, a cylinder body of the fourth driving cylinder is arranged on the mounting plate of one of the fourth mounting frames, and an output shaft of the fourth driving cylinder is connected with the mounting plate of the other fourth mounting frame; the first positioning and clamping device also comprises two fourth positioning and clamping mechanisms which are respectively arranged on the two mounting plates; the fourth driving cylinder is used for driving the two fourth positioning and clamping mechanisms to be close to the upper side beams of the two side wall assemblies arranged at intervals, so that the two fourth positioning and clamping mechanisms respectively clamp the two upper side beams.

Preferably, the fourth positioning and clamping mechanism comprises two fourth positioning blocks and two fourth clamping arms which are arranged on the mounting plate, and a fourth clamping cylinder which is connected with the two fourth clamping arms respectively; the two fourth positioning blocks are arranged between the two fourth clamping arms, the free ends of the two fourth clamping arms are respectively provided with a fourth abutting block, and the two fourth positioning blocks and the two fourth abutting blocks are respectively arranged in a one-to-one opposite mode; the two fourth positioning blocks are used for being abutted to one side surface of the upper edge beam respectively, and the fourth clamping cylinder is used for driving the two fourth clamping arms to drive the two fourth abutting blocks to be close to the other side surface of the upper edge beam respectively, so that the two fourth abutting blocks are matched with the two fourth positioning blocks respectively to clamp the upper edge and the lower edge of the upper edge beam.

Preferably, the automobile assembly jig system further comprises a second positioning and clamping device, the second positioning and clamping device is fixed on the mounting cross beam, and the second positioning and clamping device is arranged on the top of the automobile, so that the second positioning and clamping device can position and clamp the top cover cross beam and the front wall upper cover plate of the automobile.

Preferably, the mounting frame group further comprises two fifth mounting frames respectively arranged on two sides of the mounting cross beam; the second positioning and clamping device further comprises two fifth positioning and clamping mechanisms, and the two fifth positioning and clamping mechanisms are respectively and correspondingly arranged on the two fifth mounting frames; the fifth positioning and clamping mechanism comprises a fourth positioning pin, a fifth positioning block, a fifth clamping arm and a fifth clamping cylinder which are arranged on the fifth mounting frame, one end of the fifth clamping arm is connected with the fifth clamping cylinder, and the other end of the fifth clamping arm is provided with a fifth abutting block; the fourth positioning pin is used for being matched with a positioning hole of a middle cross beam of the top cover cross beam so as to position the middle cross beam, the fifth positioning block is used for being abutted to one side surface of the middle cross beam, and the fifth clamping cylinder is used for driving the fifth clamping arm to drive the fifth abutting block to be close to the other side surface of the middle cross beam, so that the fifth abutting block and the fifth positioning block are matched to clamp the middle cross beam.

Preferably, the mounting bracket set further comprises a sixth mounting bracket disposed on the mounting cross member; the second positioning and clamping device further comprises a positioning and pressing mechanism, the positioning and pressing mechanism comprises a pressing cylinder arranged on the sixth mounting frame, a fourth sliding frame arranged on the sixth mounting frame in a sliding manner, and a fifth positioning pin, a limiting rod and a pressing block arranged on the fourth sliding frame, and the fourth sliding frame is connected with the pressing cylinder; the compressing cylinder is used for driving the fourth sliding frame to drive the fifth positioning pin, the limiting rod and the compressing block to be close to the front wall upper cover plate, so that the fifth positioning pin is matched with the positioning hole of the front wall upper cover plate to position the front wall upper cover plate, the limiting rod and the side edge of the front wall upper cover plate are abutted to limit the front wall upper cover plate, and the compressing block is abutted to the upper end face of the front wall upper cover plate to compress the front wall upper cover plate.

In addition, the invention also provides a multi-vehicle type total-assembly three-dimensional garage, wherein the multi-vehicle type total-assembly three-dimensional garage comprises a production line provided with a plurality of storage garage positions and a plurality of automobile total-assembly fixture systems, the automobile total-assembly fixture systems are respectively arranged corresponding to different vehicle types, and a plurality of mounting cross beams of the automobile total-assembly fixture systems are respectively mounted on the different storage garage positions.

In the technical scheme of the invention, the provided automobile general assembly fixture system comprises a main frame, a first positioning and clamping device and a driving device, wherein the main frame comprises an installation cross beam and an installation frame group arranged on the installation cross beam, and the driving device is arranged on the installation frame group and is used for driving the first positioning and clamping device movably arranged on the installation frame group to move relative to the installation frame group, so that the first positioning and clamping device can position and clamp the side wall assembly and the tail door frame of an automobile from the inside of the automobile, and the first positioning and clamping device for assembling the side wall assembly and the tail door frame of the automobile can be built in, thereby being beneficial to obtaining larger arrangement space of a welding robot and more welding points and improving welding accessibility.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an automobile assembly jig system in accordance with an embodiment of the present invention in cooperation with a side wall assembly and a roof cross member of an automobile;

FIG. 2 is a schematic structural diagram of an automobile assembly jig system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a first mounting bracket, a first driving cylinder and a first positioning and clamping mechanism in the general assembly jig system of the automobile according to the embodiment of the invention;

FIG. 4 is another schematic structural diagram of the first mounting bracket, the first driving cylinder and the first positioning and clamping mechanism in the general assembly jig system of the automobile according to the embodiment of the invention;

FIG. 5 is a schematic structural diagram of a second mounting bracket, a second driving cylinder and a second positioning and clamping mechanism in the automobile assembly jig system according to the embodiment of the invention;

FIG. 6 is a schematic structural diagram of a third mounting frame, a third driving cylinder, a third sliding frame and a third positioning and clamping mechanism in the automobile assembly fixture system according to the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a fourth mounting bracket, a fourth driving cylinder and a fourth positioning and clamping mechanism in the automobile total assembly jig system according to the embodiment of the invention;

FIG. 8 is a schematic structural diagram of a fifth mounting bracket and a fifth positioning and clamping mechanism in the automobile total assembly jig system according to the embodiment of the invention;

FIG. 9 is a schematic structural diagram of a sixth mounting bracket and a positioning and pressing mechanism in the automobile total assembly jig system according to the embodiment of the invention;

fig. 10 is a schematic structural diagram of a seventh mounting bracket and a sixth positioning and clamping mechanism in the automobile total assembly jig system according to the embodiment of the invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

The reference numbers illustrate:

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the present invention provides an automobile total assembly jig system, which comprises a main frame 1, a first positioning and clamping device 2 and a driving device 3; the main frame 1 comprises a mounting cross beam 18 and a mounting frame group 19 arranged on the mounting cross beam 18; the first positioning and clamping device 2 is movably arranged on a mounting frame group 19, and the mounting frame group 19 is used for being arranged between two side wall assemblies 5 of an automobile, so that the first positioning and clamping device 2 is arranged in the automobile; the driving device 3 is arranged on the mounting frame group 19, and the driving device 3 is used for driving 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 positions and clamps two side wall assemblies 5 and a tail door frame (not shown) of the automobile from the inside of the automobile.

In the technical scheme of the invention, the provided automobile general assembly fixture system comprises a main frame 1, a first positioning and clamping device 2 and a driving device 3, wherein the main frame 1 comprises an installation cross beam 18 and an installation frame group 19 arranged on the installation cross beam 18, the driving device 3 is arranged on the installation frame group 19 and is used for driving the first positioning and clamping device 2 movably arranged on the installation frame group 19 to slide relative to the installation frame group 19, so that the first positioning and clamping device 2 positions and clamps the side wall assembly 5 and the tail door frame of the automobile from the inside of the automobile, and the first positioning and clamping device 2 for assembling the side wall assembly 5 and the tail door frame of the automobile can be arranged in the automobile, thereby being beneficial to obtaining larger arrangement space of a welding robot and more welding points and improving welding accessibility.

In one embodiment, referring to fig. 1-4, the mounting bracket set 19 includes a first mounting bracket 11 disposed on the mounting beam 18; the driving device 3 comprises two first driving cylinders 31 respectively arranged at two ends of the first mounting frame 11; the first positioning and clamping device 2 comprises two first positioning and clamping mechanisms 21 which are arranged on the first mounting frame 11 in a sliding mode; the two first driving cylinders 31 are connected with the two first positioning and clamping mechanisms 21 in a one-to-one correspondence manner, and the two first driving cylinders 31 are used for respectively driving the two first positioning and clamping mechanisms 21 to move back to back, so that the two first positioning and clamping mechanisms 21 respectively position and clamp the A columns 51 or the C columns 53 of the two side wall assemblies 5 arranged at intervals. Meanwhile, the two first driving cylinders 31 can respectively drive the two first positioning and clamping mechanisms 21 to move towards each other, so that the two first positioning and clamping mechanisms 21 are respectively far away from the A columns 51 or the C columns 53 of the two side wall assemblies 5. Namely, in the process of assembling the automobile, the mounting cross beam 18 can be arranged at the top of the automobile, the first mounting frame 11 can extend into the automobile, and the two first driving cylinders 31 can respectively drive the two first positioning and clamping mechanisms 21 to be close to the a columns 51 or the C columns 53 of the two side wall assemblies 5 arranged at intervals, so that the two first positioning and clamping mechanisms 21 respectively position and clamp the a columns 51 or the C columns 53 of the two side wall assemblies 5, and the positioning and clamping of the a columns 51 or the C columns 53 of the side wall assemblies 5 from the inside of the automobile can be realized; after the assembly of the car is completed, the two first driving cylinders 31 can drive the two first positioning and clamping mechanisms 21 to move away from the a pillars 51 or the C pillars 53 of the two side wall assemblies 5, so that the two first positioning and clamping mechanisms 21 are retracted into the first mounting frame 11.

It should be noted that, referring to fig. 2, the number of the first mounting brackets 11 may be two, two first mounting brackets 11 are arranged on the mounting bracket group 19 at intervals, and two first driving cylinders 31 and two first positioning and clamping mechanisms 21 may be correspondingly arranged on each first mounting bracket 11 to position and clamp the a pillar 51 and the C pillar 53 of the two side frame assemblies 5, respectively. Of course, the invention is not limited to this, the a pillar 51 and the C pillar 53 may share one first mounting bracket 11, and four first driving cylinders 31 and four first positioning and clamping mechanisms 21 may be disposed on the first mounting bracket 11, wherein two first driving cylinders 31 and two first positioning and clamping mechanisms 21 are disposed corresponding to the a pillars 51 of two side wall assemblies 5, and the other two first driving cylinders 31 and the other two first positioning and clamping mechanisms 21 are disposed corresponding to the C pillars 53 of two side wall assemblies 5.

Further, referring to fig. 1 to 4 again, the first positioning and clamping mechanism 21 includes a first sliding frame 211 slidably disposed on the first mounting frame 11, and a first positioning pin 212, a first positioning block 213, a first clamping arm 214 and a first clamping cylinder 215 disposed on the first sliding frame 211; the first sliding frame 211 is connected with the first driving cylinder 31; one end of the first clamping arm 214 is connected with the first clamping cylinder 215, 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 for being matched with a positioning hole of the a column 51 or the C column 53 to position the a column 51 or the C column 53, the first positioning block 213 is used for being abutted against one side surface of the a column 51 or the C column 53, and the first clamping cylinder 215 is used for driving the first clamping arm 214 to drive the first abutting block 216 to be close to the other side surface of the a column 51 or the C column 53, so that the first abutting block 216 is matched with the first positioning block 213 to clamp the a column 51 or the C column 53. In the present invention, the first clamping arm 214 is movably hinged to the first sliding frame 211. In the process of the total assembly of the automobile, 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 be close to the a-pillar 51 or the C-pillar 53, 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 against one side surface of the a-pillar 51 or the C-pillar 53, the first clamping cylinder 215 drives the first clamping arm 214 to drive the first abutting block 216 to abut against 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 the C-pillar 53, and the assembly stability of the a-pillar 51 or the C-pillar 53 in the total assembly process of the automobile is ensured; after the automobile assembly is completed, the first clamping cylinder 215 drives the first clamping arm 214 to drive the first abutting block 216 to be away from the a-pillar 51 or the C-pillar 53 so as to release 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, the first clamping arm 214 and the first clamping cylinder 215 to be away from the a-pillar 51 or the C-pillar 53, so that the a-pillar 51 or the C-pillar 53 can be separated from the restriction of the first positioning pin 212 and the first positioning block 213. Meanwhile, in the present embodiment, the first mounting bracket 11, the first driving cylinder 31 and the first positioning and clamping mechanism 21 may be arranged according to the specific structures of the a-pillar 51 and the C-pillar 53, the schematic structural diagram shown in fig. 3 may correspond to the a-pillar 51, and the schematic structural diagram shown in fig. 4 may correspond to the B-pillar 52.

More specifically, two first sliding rails 217 are arranged on the first mounting bracket 11 at intervals, the first sliding frames 211 are respectively in sliding fit with the two first sliding rails 217, and the first driving cylinder 31 can drive the first sliding frames 211 to move along the first sliding rails 217, so that the movement stability of the first sliding frames 211 is ensured.

In one embodiment, referring to fig. 1, 2 and 5, the mounting bracket set 19 further includes a second mounting bracket 12 disposed on the mounting cross member 18; the driving device 3 further comprises two second driving cylinders 32 respectively arranged at two ends of the second mounting frame 12; the first positioning and clamping device 2 further comprises two second positioning and clamping mechanisms 22 which are slidably arranged on the second mounting frame 12; the two second driving cylinders 32 are connected with the two second positioning and clamping mechanisms 22 in a one-to-one correspondence manner, and the two second driving cylinders 32 are used for respectively driving the two second positioning and clamping mechanisms 22 to move back and forth, so that the two second positioning and clamping mechanisms 22 respectively position and clamp the B columns 52 of the two side wall assemblies 5 arranged at intervals. Meanwhile, the two second driving cylinders 32 can respectively drive the two second positioning and clamping mechanisms 22 to move towards each other, so that the two second positioning and clamping mechanisms 22 are respectively far away from the B columns 52 of the two side wall assemblies 5. Namely, in the process of assembling the automobile, the mounting cross beam 18 can be arranged at the top of the automobile, the second mounting frame 12 can extend into the automobile, and the two second driving cylinders 32 can respectively drive the two second positioning and clamping mechanisms 22 to be close to the B columns 52 of the two side wall assemblies 5 arranged at intervals, so that the two second positioning and clamping mechanisms 22 respectively position and clamp the B columns 52 of the two side wall assemblies 5, and the positioning and clamping of the B columns 52 of the side wall assemblies 5 from the inside of the automobile can be realized; after the assembly of the automobile is completed, the two first driving cylinders 31 can respectively drive the two second positioning and clamping mechanisms 22 to be away from the B pillars 52 of the two side wall assemblies 5, so that the two second positioning and clamping mechanisms 22 are retracted to the second mounting frame 12.

It should be noted that when the mounting cross member 18 is spaced apart from the two first mounting brackets 11, the second mounting bracket 12 may be disposed between the two first mounting brackets 11, but the present invention is not limited thereto, and when the a-pillar 51 and the C-pillar 53 share one first mounting bracket 11, the mounting cross member 18 is not provided with the second mounting bracket 12, and the B-pillar 52 of the side wall assembly 5 is not positioned and clamped.

Specifically, the second positioning and clamping mechanism 22 includes a second sliding frame 221 slidably disposed on the second mounting frame 12, a second positioning block 222 and a second clamping cylinder 223 disposed on the second sliding frame 221, a second clamping arm 224 connected to the second clamping cylinder 223, and a second positioning pin 225 and a second abutting block 226 disposed on the second clamping arm 224; the second sliding frame 221 is connected with the second driving cylinder 32; the second positioning block 222 is configured to abut against a side surface of the B-pillar 52, the second clamping cylinder 223 is configured to drive the second clamping arm 224 to drive the second positioning pin 225 and the second abutting block 226 to approach the B-pillar 52, so that the second positioning pin 225 is engaged with the positioning hole of the B-pillar 52 to position the B-pillar 52, the second abutting block 226 is abutted against the other side surface of the B-pillar 52, and the second abutting block 226 is engaged with the second positioning block 222 to clamp the B-pillar 52. In the process of the total assembly 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 be close to the B-pillar 52, so that 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 is abutted against one side surface of the B-pillar 52, the second clamping cylinder 223 drives the second clamping arm 224 to drive the second abutting block 226 to be abutted against the other side surface of the B-pillar 52, so that the second abutting block 226 and the second positioning block 222 are matched to clamp the B-pillar 52, and the assembly stability of the B-pillar 52 in the total assembly process of the automobile is ensured; after the vehicle assembly is completed, the second clamping cylinder 223 drives the second clamping arm 224 to drive the second abutting block 226 to move away from the B-pillar 52, so as to release the B-pillar 52, and then the second driving cylinder 32 drives the second sliding frame 221 to drive the second positioning pin 225 and the second positioning block 222 on the second clamping arm 224 to move away from the B-pillar 52, so that the B-pillar 52 can be separated from the restriction of the second positioning pin 225 and the second positioning block 222.

More specifically, referring to fig. 5, two second sliding rails 227 are disposed at intervals on the second mounting frame 12, 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 to move along the second sliding rails 227, so as to ensure the stability of the movement of the second sliding frame 221.

In one embodiment, referring to fig. 1, 2 and 6, the mounting bracket set 19 further includes a third mounting bracket 13 disposed on the mounting cross member 18; the driving device 3 further comprises a third driving cylinder 33 arranged on the third mounting frame 13; the first positioning and clamping device 2 further comprises a third sliding frame 23 arranged on the third mounting frame 13 in a sliding manner, and two third positioning and clamping mechanisms 24 respectively arranged at two ends of the third sliding frame 23; the third sliding frame 23 is connected with a third driving cylinder 33, and the third driving cylinder 33 is used for driving the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 to be close to the D columns 54 and the tail door frames of the two side wall assemblies 5 which are arranged at intervals, so that the two third positioning and clamping mechanisms 24 can respectively position and clamp two ends of the two D columns 54 and the two ends of the tail door frame. Meanwhile, the third driving cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 to be away from the D-pillars 54 and the tail door frames of the two side wall assemblies 5 arranged at intervals, so that the two D-pillars 54 and the tail door frames are separated from the limitation of the two third positioning and clamping mechanisms 24. In the invention, the D columns 54 of the two side wall assemblies 5 arranged at intervals and the tail door frame arranged between the two D columns 54 surround to form a tail door hole of an automobile, that is, in the process of the total assembly of the automobile, the mounting cross beam 18 can be arranged at the top of the automobile, the third mounting frame 13 is arranged facing the tail door hole of the automobile, the third driving cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 to be close to the two D columns 54 and the tail door frame, one of the third positioning and clamping mechanisms 24 is close to one end of one of the D columns 54 and the tail door frame, the other third positioning and clamping mechanism 24 is close to the other end of the other D column 54 and the tail door frame, and the two third positioning and clamping mechanisms 24 respectively position and clamp the corresponding D columns 54 and the tail door frame, so that the D columns 54 and the tail door frame can be positioned and clamped from the inside of the automobile; after the automobile assembly is completed, the third driving cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 to move away from the D-pillars 54 and the tail door frames of the two side wall assemblies 5, so that the third sliding frame 23 and the two third positioning and clamping mechanisms 24 are retracted into the third mounting frame 13. Meanwhile, the two ends of the third mounting frame 13 are respectively provided with a third slide rail 247 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 slide rail 247, so as to ensure the stability of the movement of the third sliding frame 23.

Further, referring 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 disposed on the third sliding frame 23; the third positioning pin 241 is used for being matched with a positioning hole of the tail door frame, the third positioning block 242 is used for being abutted against the tail door frame, and the two clamping components 243 are used for respectively clamping the upper edge and the rear edge of the D column 54; the clamping assembly 243 comprises a third clamping cylinder 244 and two third clamping arms 245, which are arranged on the third sliding frame 23, wherein the two third clamping arms 245 are arranged at intervals, one end of each of the two third clamping arms 245 is connected with the third clamping cylinder 244, and the other end of each of the two third clamping arms 245 is provided with a third abutting block 246; the third clamping cylinder 244 is used to drive the two third clamping arms 245 to bring the two third abutment blocks 246 close to each other, so that the two third abutment blocks 246 cooperate to clamp the D-pillar 54. In the present invention, the two third clamping arms 245 are respectively and movably hinged with the third sliding frame 23. Meanwhile, the cylinder body of the third clamping cylinder 244 is movably arranged, wherein one third clamping arm 245 is connected with the cylinder body of the third clamping cylinder 244, and the other third clamping arm 245 is connected with the output shaft of the third clamping cylinder 244. In the process of the total 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 be close to the D-pillar 54 and the tail doorframe, the third positioning pin 241 is inserted into the positioning hole of the tail doorframe, the third positioning block 242 is abutted against one side surface of the tail doorframe to press the tail doorframe against the D-pillar 54, and the two clamping components 243 clamp the upper edge and the rear edge of the D-pillar 54 respectively, so that the assembly stability of the D-pillar 54 and the tail doorframe in the process of the total assembly of the automobile is ensured; after the vehicle assembly is completed, the third clamping cylinder 244 in the clamping assembly 243 drives the two third abutting blocks 246 to move away from each other by driving the two third clamping arms 245 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 to move away from the D-pillar 54 and the tail door frame, so that the tail door frame can be released from the restriction of the third positioning pin 241 and the third positioning block 242.

In the present invention, it should be noted that the third mounting bracket 13 is disposed outside the vehicle facing the rear door opening of the vehicle and does not extend into the vehicle, but the third mounting bracket 13 is disposed between the two side wall assemblies 5, and the third driving cylinder 33 can drive the third sliding bracket 23 to move toward the direction close to the rear door opening, so that the third positioning and clamping mechanism 24 can partially extend into the vehicle and clamp the D-pillar 54 of the side wall assembly 5.

In an embodiment, referring to fig. 1, 2 and 7, the mounting frame set 19 further includes two fourth mounting frames 14 respectively disposed at two sides of the mounting cross member 18, and the fourth mounting frames 14 include a base 141 disposed on the main frame 1 and a mounting plate 142 movably hinged to the base 141; the driving device 3 further comprises a fourth driving cylinder 34, the cylinder body of the fourth driving cylinder 34 is arranged on the mounting plate 142 of one of the fourth mounting frames 14, and the output shaft of the fourth driving cylinder 34 is connected with the mounting plate 142 of the other fourth mounting frame 14; the first positioning and clamping device 2 further comprises two fourth positioning and clamping mechanisms 25 respectively arranged on the two mounting plates 142; the fourth driving cylinder 34 is used for driving the two fourth positioning and clamping mechanisms 25 to approach to the top side beams 55 of the two side wall assemblies 5 which are arranged at intervals, so that the two fourth positioning and clamping mechanisms 25 respectively clamp the two top side beams 55. Meanwhile, the fourth driving cylinders 34 can also drive the two fourth positioning and clamping mechanisms 25 away from the roof side rail 55 respectively. That is, in the process of assembling the automobile, the mounting cross beam 18 may be disposed at the top of the automobile, and the two fourth mounting brackets 14 may extend into the automobile, the output shaft of the fourth driving cylinder 34 continues to extend outward to drive the mounting plate 142 connected thereto to drive the fourth positioning and clamping mechanism 25 to approach the upper edge beam 55 on one side, because the forces are acting on each other, the mounting plate 142 connected to the cylinder body of the fourth driving cylinder 34 may also drive the fourth positioning and clamping mechanism 25 to approach the upper edge beam 55 on the other side, thereby clamping the upper edge beam 55 of the side enclosure assembly 5 from the inside of the automobile; after the automobile assembly is completed, the output shaft of the fourth driving cylinder 34 retracts to the inside of the cylinder body to drive the mounting plate 142 connected with the output shaft to drive the fourth positioning and clamping mechanism 25 to move away from the upper edge beam 55 on one side, and meanwhile, because the mounting plate 142 connected with the cylinder body of the fourth driving cylinder 34 is hinged to the base 141 and loses the supporting effect of the fourth driving cylinder 34, the mounting plate 142 connected with the cylinder body of the fourth driving cylinder 34 can also drive the fourth positioning and clamping mechanism 25 to move away from the upper edge beam 55 on the other side. In addition, a plurality of sets of fourth mounting brackets 14 may be disposed at intervals on the mounting cross beam 18, one set of the fourth mounting brackets 14 is two fourth mounting brackets 14 disposed on two opposite sides of the main frame 1 as described above, and each fourth mounting bracket 14 is provided with a corresponding fourth driving cylinder 34 and two fourth positioning and clamping mechanisms 25, respectively, so that different portions of the upper edge beam 55 can be clamped, and the clamping reliability can be ensured.

Specifically, the fourth positioning and clamping mechanism 25 includes two fourth positioning blocks 251 and two fourth clamping arms 252 provided on the mounting plate 142, and fourth clamping cylinders 253 connected to the two fourth clamping arms 252, respectively; the two fourth positioning blocks 251 are arranged between the two fourth clamping arms 252, the free ends of the two fourth clamping arms 252 are respectively provided with a fourth abutting block 254, and the two fourth positioning blocks 251 and the two fourth abutting blocks 254 are respectively arranged in a one-to-one opposite manner; the two fourth positioning blocks 251 are used for being abutted to one side surface of the upper edge beam 55, the fourth clamping cylinder 253 is used for driving the two fourth clamping arms 252 to drive the two fourth abutting blocks 254 to be close to the other side surface of the upper edge beam 55, so that the fourth abutting block 254 on one of the fourth clamping arms 252 is matched with the correspondingly arranged fourth positioning block 251 to clamp the upper edge of the upper edge beam 55, and the fourth abutting block 254 on the other fourth clamping arm 252 is matched with the correspondingly arranged fourth positioning block 251 to clamp the lower edge of the upper edge beam 55. In the present invention, the two fourth clamping arms 252 are respectively and movably hinged with the mounting plate 142. Meanwhile, 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, so as to release the roof side rail 55. In the present invention, the cylinder body of the fourth clamping cylinder 253 is movably arranged, one fourth clamping arm 252 is connected with the cylinder body of the fourth clamping cylinder 253, and the other fourth clamping arm 252 is connected with the output shaft of the fourth clamping cylinder 253, that is, when the output shaft of the fourth clamping cylinder 253 continues to extend, the cylinder body of the fourth clamping cylinder 253 moves in a direction away from the extension direction of the output shaft of the fourth clamping cylinder 253, so that the fourth abutting block 254 on the fourth clamping arm 252 connected with the output shaft of the fourth clamping cylinder 253 approaches the corresponding fourth mounting block to clamp the lower edge of the upper side beam 55, and the fourth abutting block 254 on the fourth clamping arm 252 connected with the cylinder body of the fourth clamping cylinder 253 also approaches 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 and retracts towards the cylinder body, the moving direction of the cylinder body of the fourth clamping cylinder 253 is consistent with the extending direction of the output shaft of the fourth clamping cylinder 253, so that the fourth abutting blocks 254 of the two fourth clamping arms 252 respectively move towards the direction away from the corresponding fourth positioning blocks 251, and the upper edge and the lower edge of the upper edge beam 55 are loosened.

In addition, referring to fig. 1, the automobile assembly jig system further includes a second positioning and clamping device 4, the second positioning and clamping device 4 is fixed on the mounting cross member 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 positions and clamps the roof cross member 6 and the cowl (not shown) of the automobile.

In one embodiment, referring to fig. 1, 2 and 8, the mounting bracket set 19 further includes two fifth mounting brackets 15 respectively disposed on both sides of the mounting cross member 18; the second positioning and clamping device 4 further comprises two fifth positioning and clamping mechanisms 41 respectively arranged on the two fifth mounting frames 15; the fifth positioning and clamping mechanism 41 comprises a fourth positioning pin 411, a fifth positioning block 412, a fifth clamping arm 413 and a fifth clamping cylinder 414 which are arranged on the fifth mounting frame 15, one end of the fifth clamping arm 413 is connected with the fifth clamping cylinder 414, and the other end of the fifth clamping arm 413 is provided with a fifth abutting block 415; the fourth positioning pin 411 is used for being matched with a positioning hole of the middle cross beam 62 of the roof cross beam 6 to position the middle cross beam 62, the fifth positioning block 412 is used for being abutted against one side surface of the middle cross beam 62, and the fifth clamping cylinder 414 is used for driving the fifth clamping arm 413 to drive the fifth abutting block 415 to be close to the other side surface of the middle cross beam 62, so that the fifth abutting block 415 and the fifth positioning block 412 are matched to clamp the middle cross beam 62. In the present invention, the fifth clamping arm 413 is hingedly connected to the fifth mounting frame 15. Namely, in the process of the total assembly of the automobile, the mounting beam 18 can be arranged at the top of the automobile, the fifth mounting frame 15 corresponds to the middle beam 62 of the roof beam 6, the fourth positioning pin 411 is directly inserted into the positioning hole of the middle beam 62, the fifth positioning block 412 is abutted against the upper edge of the middle beam 62, and the fifth clamping cylinder 414 can drive the fifth clamping arm 413 to drive the fifth abutting block 415 to be close to the lower edge of the middle beam 62, so that the fifth abutting block 415 and the fifth positioning block 412 are matched to clamp the middle beam 62, and the assembly stability of the middle beam 62 in the process of the total assembly of the automobile is ensured; after the automobile assembly is completed, the fifth clamping cylinder 414 can drive the fifth clamping arm 413 to drive the fifth abutting block 415 to move away from the lower edge of the middle cross beam 62, so as to loosen the middle cross beam 62, and then the automobile which completes the assembly is taken down.

Meanwhile, referring to fig. 1, 2 and 10, the mounting bracket set 19 further includes two sets of seventh mounting brackets 17 arranged on the mounting cross member 18 at intervals of the fifth mounting brackets 15, any one set of seventh mounting brackets 17 includes two seventh mounting brackets 17, and the two seventh mounting brackets 17 are respectively arranged at two sides of the mounting cross member 18. A sixth positioning and clamping mechanism 43 may be disposed on each seventh mounting bracket 17, two sixth positioning and clamping mechanisms 43 disposed on two seventh mounting brackets 17 on the front side of the fifth mounting bracket 15 are used for clamping the front cross beam 61 of the roof cross beam 6, and two sixth positioning and clamping mechanisms 43 disposed on two seventh mounting brackets 17 on the rear side of the fifth mounting bracket 15 are used for clamping the rear cross beam 63 of the roof cross beam 6. The sixth positioning and clamping mechanism 43 includes a sixth clamping arm 431 and a sixth clamping cylinder 432 which are disposed on the seventh mounting frame 17, a fifth sliding frame 433 which is connected with the sixth clamping cylinder 432, and a sixth positioning pin 434 and a sixth positioning block 435 which are disposed on the fifth sliding frame 433, wherein one end of the sixth clamping arm 431 is movably hinged with the seventh mounting frame 17, the other end of the sixth clamping arm 431 is provided with a sixth abutting block 436, and the sixth abutting block 436 and the sixth positioning block 435 are disposed at intervals relatively. The sixth clamping cylinder 432 can drive the fifth sliding frame 433 to drive the sixth positioning pin 434 to be close to the positioning hole of the front beam 61 or the rear beam 63, so that the sixth positioning pin 434 is matched with the positioning hole of the front beam 61 or the rear beam 63, meanwhile, the sixth clamping cylinder 432 drives the fifth sliding frame 433 to drive the sixth positioning block 435 to be close to the upper edge of the front beam 61 or the rear beam 63 until the sixth positioning block 435 abuts against the upper edge of the front beam 61 or the rear beam 63, and the lower edge of the front beam 61 or the rear beam 63 abuts against the sixth abutting block 436, so that the sixth abutting block 436 is matched with the sixth positioning block 435 to clamp the front beam 61 or the rear beam 63, thereby ensuring the assembling stability of the front beam 61 or the rear beam 63 in the automobile overall assembling process.

In an embodiment, referring to fig. 1, 2 and 9, the mounting frame 19 further comprises a sixth mounting frame 16 provided on the mounting cross member 18; the second positioning and clamping device 4 further comprises a positioning and pressing mechanism 42, the positioning and pressing mechanism 42 comprises a pressing cylinder 421 arranged on the sixth mounting frame 16, a fourth sliding frame 422 arranged on the sixth mounting frame 16 in a sliding manner, a fifth positioning pin 423, a limiting rod 424 and a pressing block 425 arranged on the fourth sliding frame 422, and the fourth sliding frame 422 is connected with the pressing cylinder 421; compress tightly cylinder 421 and be used for driving fourth sliding frame 422 and drive fifth locating pin 423, gag lever post 424 and compact heap 425 and be close to preceding upper cover plate to make fifth locating pin 423 fix a position the preceding upper cover plate with the locating hole cooperation of preceding upper cover plate, gag lever post 424 is spacing to preceding upper cover plate with the side edge butt of preceding upper cover plate, compact heap 425 compresses tightly preceding upper cover plate with the up end butt of preceding upper cover plate. Namely, in the process of the general assembly of the automobile, the mounting beam 18 can be arranged at the top of the automobile, the compressing cylinder 421 drives the fourth sliding frame 422 to drive the fifth positioning pin 423, the limiting rod 424 and the compressing block 425 to be close to the front wall upper cover plate, so that the fifth positioning pin 423 is inserted into the positioning hole of the front wall upper cover plate to position the front wall upper cover plate, the limiting rod 424 abuts against the side edge of the front wall upper cover plate to limit the front wall upper cover plate, and the compressing block 425 abuts against the upper end face of the front wall upper cover plate to compress the front wall upper cover plate, thereby ensuring the assembly stability of the front wall upper cover plate in the general assembly process of the automobile; after the automobile assembly is completed, the compressing cylinder 421 drives the fourth sliding frame 422 to drive the fifth positioning pin 423, the limiting rod 424 and the compressing block 425 to be away from the front wall upper cover plate, so that the front wall upper cover plate is separated from the limitation of the fifth positioning pin 423, the limiting rod 424 and the compressing block 425. Meanwhile, the two ends of the sixth mounting frame 16 are respectively provided with a fourth sliding rail in sliding fit with the fourth sliding frame 422, and the compressing cylinder 421 can drive the fourth sliding frame 422 to move along the fourth sliding rail, so that the stability of the movement of the fourth sliding frame 422 is ensured.

In the present invention, the overall jig assembly system for automobiles comprises a first positioning and clamping device 2 and a second positioning and clamping device 4 which are arranged on a mounting bracket set 19. The first positioning and clamping device 2 is arranged in the automobile, and is used for respectively positioning and clamping the side wall assembly 5 and the tail door frame of the automobile from the inside of the automobile, wherein the two first driving cylinders 31 arranged on the first mounting frame 11 can respectively drive the two corresponding first positioning and clamping mechanisms 21 to move towards the direction close to the A columns 51 or the C columns 53 of the two side wall assemblies 5 in the automobile, so that the two first positioning and clamping mechanisms 21 are respectively used for positioning and clamping the A columns 51 or the C columns 53 of the two side wall assemblies 5; the two second driving cylinders 32 arranged on the second mounting frame 12 can respectively drive the two corresponding second positioning and clamping mechanisms 22 to move towards the direction close to the B columns 52 of the two side wall assemblies 5 in the automobile, so that the two second positioning and clamping mechanisms 22 respectively position and clamp the B columns 52 of the two side wall assemblies 5; the third driving cylinder 33 arranged on the third mounting frame 13 can drive the two third positioning and clamping mechanisms 24 arranged on the third sliding frame 23 to be close to the D columns 54 and the tail door frames of the two side wall assemblies 5 in the automobile inward direction, so that the two third positioning and clamping mechanisms 24 respectively clamp the D columns 54 of the two side wall assemblies 5 and position two ends of the tail door frame; the fourth driving cylinders 34 disposed on the two fourth mounting frames 14 can drive the two fourth positioning and clamping mechanisms 25 to move in the direction close to the upper beams 55 of the two side wall assemblies 5 in the automobile, so that the two fourth positioning and clamping mechanisms 25 can respectively clamp the upper beams 55 of the two side wall assemblies 5, 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 wall assembly 5, 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 upper beam 55 are disposed in the automobile between the two side wall assemblies 5, thereby avoiding the phenomenon that the automobile external space is occupied by adopting the side frame assembly technology, and facilitating obtaining larger welding arrangement space, the accessibility of welding is improved.

In addition, the second positioning and clamping device 4 is arranged on the top of the automobile and is used for positioning and clamping the roof cross beam 6 and the cowl top of the automobile from the top of the automobile, wherein two fifth positioning and clamping mechanisms 41 respectively arranged on the two fifth mounting frames 15 are used for positioning and clamping a middle cross beam 62 of the roof cross beam 6; the two sixth positioning and clamping mechanisms 43 respectively arranged on the two seventh mounting frames 17 at the front side of the fifth mounting frame 15 position and clamp the front cross beam 61 of the top cover cross beam 6; the two sixth positioning and clamping mechanisms 43 respectively arranged on the two seventh mounting frames 17 at the rear side of the fifth mounting frame 15 position and clamp the rear cross beam 63 of the top cover cross beam 6; the positioning and pressing mechanism 42 arranged on the sixth mounting frame 16 is used for positioning and pressing the front wall upper cover plate, so that the top cover beam 6 of the automobile and the front wall upper cover plate can be positioned and clamped by arranging the fifth positioning and clamping mechanism 41, the sixth positioning and clamping mechanism 43 and the positioning and pressing mechanism 42 on the main frame 1, and the automobile can be assembled and positioned through the cooperation of the first positioning and clamping device 2 and the second positioning and clamping device 4.

In addition, the invention also provides a multi-vehicle type total-assembly three-dimensional garage, wherein the multi-vehicle type total-assembly three-dimensional garage comprises a production line provided with a plurality of storage garage positions and a plurality of automobile total-assembly fixture systems, the automobile total-assembly fixture systems are respectively arranged corresponding to different vehicle types, and a plurality of mounting cross beams 18 of the automobile total-assembly fixture systems are respectively mounted on different storage garage positions. Since the multi-vehicle type total-splicing three-dimensional library adopts all the technical schemes of the above embodiments, all the beneficial effects brought by the technical schemes of the above embodiments are at least achieved, and are not repeated herein.

Specifically, the production line can be arranged with the storehouse position of going on the production line, switch storehouse position and a plurality of storage storehouse positions, and a plurality of storage storehouse positions are used for assembling the anchor clamps system totally to the car of storing different motorcycle types, can assemble anchor clamps system totally to the car concrete structure and size of a dimension and carry out corresponding arrangement to satisfy the demand that different motorcycle types were assembled totally.

Meanwhile, a feeding device can be arranged on a feeding storage position of the production line, a lifting device is arranged on the storage position, and a moving device is arranged on the switching storage position. When the automobile assembly fixture system needs to be on-line, the lifting device can be driven by the moving device to move to an on-line storage position, the on-line device lifts the automobile assembly fixture system on the lifting device, and then the moving device drives the lifting device and the automobile assembly fixture system on the lifting device to enter the corresponding storage position. In addition, the production line can also be arranged with lifting devices in the below of traditional thread binding putting, lifting devices be used for with the car always piece together fixture system lift to with the hoist device on.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An automotive assembly jig system, characterized in that the automotive assembly jig system comprises:

the main frame comprises a mounting cross beam and a mounting frame group arranged on the mounting cross beam;

the first positioning and clamping device is movably arranged on the mounting frame group, and the mounting frame group is used for being arranged between two side wall assemblies of the automobile, so that the first positioning and clamping device is arranged in the automobile;

the driving device is arranged on the mounting frame group and used for driving the first positioning and clamping device to move relative to the mounting frame group, so that the first positioning and clamping device is used for positioning and clamping two side wall assemblies and a tail door frame of the automobile from the inside of the automobile.

2. The automotive total assembly jig system according to claim 1, wherein the mounting bracket set comprises a first mounting bracket provided on the mounting cross member; the driving device comprises two first driving cylinders which are respectively arranged at two ends of the first mounting frame; the first positioning and clamping device comprises two first positioning and clamping mechanisms which are arranged on the first mounting frame in a sliding mode; the two first driving cylinders are connected with the two first positioning and clamping mechanisms in a one-to-one correspondence mode, and the two first driving cylinders are used for driving the two first positioning and clamping mechanisms to move in a back-to-back mode respectively, so that the two first positioning and clamping mechanisms can position and clamp the A columns or the C columns of the side wall assembly respectively, wherein the A columns or the C columns are arranged at intervals.

3. The automobile total assembling jig system according to claim 2, wherein the first positioning and clamping mechanism comprises a first sliding frame slidably disposed on the first mounting frame, and a first positioning pin, a first positioning block, a first clamping arm and a first clamping cylinder disposed on the first sliding frame; the first sliding frame is connected with the first driving cylinder; one end of the first clamping arm is connected with the first clamping cylinder, and the other end of the first clamping arm is provided with a first abutting block; the first positioning pin is used for being matched with a positioning hole of the column A or the column C to position the column A or the column C, the first positioning block is used for being abutted against one side surface of the column A or the column C, and the first clamping cylinder is used for driving the first clamping arm to drive the first abutting block to be close to the other side surface of the column A or the column C so that the first abutting block and the first positioning block are matched to clamp the column A or the column C.

4. The automotive total assembly jig system of claim 1, wherein the set of mounting brackets further comprises a second mounting bracket disposed on the mounting cross member; the driving device also comprises two second driving cylinders which are respectively arranged at two ends of the second mounting frame; the first positioning and clamping device further comprises two second positioning and clamping mechanisms which are arranged on the second mounting frame in a sliding mode; the two second driving cylinders are connected with the two second positioning and clamping mechanisms in a one-to-one correspondence mode, and the two second driving cylinders are used for respectively driving the two second positioning and clamping mechanisms to move in a back-to-back mode, so that the two second positioning and clamping mechanisms respectively position and clamp the B columns of the two side wall assemblies arranged at intervals.

5. The automobile assembly jig system according to claim 4, wherein the second positioning and clamping mechanism comprises a second sliding frame slidably disposed on the second mounting frame, and a second positioning block and a second clamping cylinder disposed on the second sliding frame, a second clamping arm connected to the second clamping cylinder, and a second positioning pin and a second abutting block disposed on the second clamping arm; the second sliding frame is connected with the second driving cylinder; the second positioning block is used for abutting against one side surface of the B column, the second clamping cylinder is used for driving the second clamping arm to drive the second positioning pin and the second abutting block to be close to the B column, so that the second positioning pin is matched with the positioning hole of the B column to position the B column, the second abutting block abuts against the other side surface of the B column, and the second abutting block is matched with the second positioning block to clamp the B column.

6. The automotive total assembly jig system of claim 1, wherein the set of mounting brackets further comprises a third mounting bracket disposed on the mounting cross member; the driving device further comprises a third driving cylinder arranged on the third mounting frame; the first positioning and clamping device further comprises a third sliding frame arranged on the third mounting frame in a sliding manner, and two third positioning and clamping mechanisms respectively arranged at two ends of the third sliding frame; the third slides and moves the frame with the third drives actuating cylinder and connects, the third drives actuating cylinder and is used for driving the third slides and moves the frame and drives two the third location clamping mechanism is close to two that the interval set up respectively the D post of side wall assembly with the tail-gate frame, so that two the third location clamping mechanism is respectively to two the D post with the both ends of tail-gate frame are fixed a position and are pressed from both sides tightly.

7. The automobile assembly jig system according to claim 6, wherein the third positioning and clamping mechanism comprises a third positioning pin, a third positioning block and two clamping components arranged on the third sliding frame; the third positioning pin is used for being matched with a positioning hole of the tail door frame, the third positioning block is used for being abutted against the tail door frame, and the two clamping assemblies are used for respectively clamping the upper edge and the rear edge of the D column; the clamping assembly comprises a third clamping cylinder and two third clamping arms, the third clamping cylinder and the two third clamping arms are arranged on the third sliding frame, the two third clamping arms are arranged at an interval, 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 and oppositely provided with a third butting block; the third clamping cylinder is used for respectively driving the two third clamping arms to drive the two third abutting blocks to be close to each other, so that the two third abutting blocks are matched to clamp the D column.

8. The automobile total assembly jig system according to any one of claims 1 to 7, wherein the mounting frame set further comprises two fourth mounting frames respectively arranged at two sides of the mounting cross beam, and each fourth mounting frame comprises a base arranged on the main frame and a mounting plate movably hinged with the base; the driving device further comprises a fourth driving cylinder, a cylinder body of the fourth driving cylinder is arranged on the mounting plate of one of the fourth mounting frames, and an output shaft of the fourth driving cylinder is connected with the mounting plate of the other fourth mounting frame; the first positioning and clamping device also comprises two fourth positioning and clamping mechanisms which are respectively arranged on the two mounting plates; the fourth driving cylinder is used for driving the two fourth positioning and clamping mechanisms to be close to the upper side beams of the two side wall assemblies arranged at intervals, so that the two fourth positioning and clamping mechanisms respectively clamp the two upper side beams.

9. The automobile assembly jig system according to claim 8, wherein the fourth positioning and clamping mechanism includes two fourth positioning blocks and two fourth clamping arms provided on the mounting plate, and fourth clamping cylinders connected to the two fourth clamping arms, respectively; the two fourth positioning blocks are arranged between the two fourth clamping arms, the free ends of the two fourth clamping arms are respectively provided with a fourth abutting block, and the two fourth positioning blocks and the two fourth abutting blocks are respectively arranged in a one-to-one opposite mode; the two fourth positioning blocks are used for being abutted to one side surface of the upper edge beam respectively, and the fourth clamping cylinder is used for driving the two fourth clamping arms to drive the two fourth abutting blocks to be close to the other side surface of the upper edge beam respectively, so that the two fourth abutting blocks are matched with the two fourth positioning blocks respectively to clamp the upper edge and the lower edge of the upper edge beam.

10. The vehicle assembly jig system according to any one of claims 1 to 7, further comprising a second positioning and clamping device fixed to the mounting cross member, the second positioning and clamping device being placed on the roof of the vehicle so that the second positioning and clamping device positions and clamps the roof cross member and the cowl top of the vehicle.

11. The automotive total assembly jig system according to claim 10, wherein the mounting bracket set further comprises two fifth mounting brackets respectively provided on both sides of the mounting cross member; the second positioning and clamping device further comprises two fifth positioning and clamping mechanisms, and the two fifth positioning and clamping mechanisms are respectively and correspondingly arranged on the two fifth mounting frames; the fifth positioning and clamping mechanism comprises a fourth positioning pin, a fifth positioning block, a fifth clamping arm and a fifth clamping cylinder which are arranged on the fifth mounting frame, one end of the fifth clamping arm is connected with the fifth clamping cylinder, and the other end of the fifth clamping arm is provided with a fifth abutting block; the fourth positioning pin is used for being matched with a positioning hole of a middle cross beam of the top cover cross beam so as to position the middle cross beam, the fifth positioning block is used for being abutted to one side surface of the middle cross beam, and the fifth clamping cylinder is used for driving the fifth clamping arm to drive the fifth abutting block to be close to the other side surface of the middle cross beam, so that the fifth abutting block and the fifth positioning block are matched to clamp the middle cross beam.

12. The automotive total assembly jig system of claim 10, wherein the set of mounts further comprises a sixth mount disposed on the mounting cross member; the second positioning and clamping device further comprises a positioning and pressing mechanism, the positioning and pressing mechanism comprises a pressing cylinder arranged on the sixth mounting frame, a fourth sliding frame arranged on the sixth mounting frame in a sliding manner, and a fifth positioning pin, a limiting rod and a pressing block arranged on the fourth sliding frame, and the fourth sliding frame is connected with the pressing cylinder; the compressing cylinder is used for driving the fourth sliding frame to drive the fifth positioning pin, the limiting rod and the compressing block to be close to the front wall upper cover plate, so that the fifth positioning pin is matched with the positioning hole of the front wall upper cover plate to position the front wall upper cover plate, the limiting rod and the side edge of the front wall upper cover plate are abutted to limit the front wall upper cover plate, and the compressing block is abutted to the upper end face of the front wall upper cover plate to compress the front wall upper cover plate.

13. A multi-vehicle type total assembly three-dimensional garage, which comprises a production line provided with a plurality of storage garage positions, and a plurality of vehicle total assembly fixture systems as claimed in any one of claims 1 to 12, wherein the vehicle total assembly fixture systems are respectively arranged corresponding to different vehicle types, and a plurality of mounting cross beams of the vehicle total assembly fixture systems are respectively mounted on different storage garage positions.