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

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

Auto assembly fixture system and multi-model assembly stereo library

technical field

The invention relates to the technical field of vehicle body manufacturing, in particular to an automobile assembly fixture system and a multi-model assembly stereo library.

Background technique

At present, the main forms of body assembly technology are side frame assembly technology and robot gripping assembly technology. Among them, in the side frame assembly technology, since the positioning fixtures for the side wall assembly are arranged on the outside of the 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 assembly fixture system and a multi-model assembly stereo library to at least overcome or alleviate the above-mentioned defects in the prior art.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide an automobile assembly fixture system and a multi-model assembly stereo library, which aims to solve the technical problem that the layout space of the welding robot is restricted due to the use of the side frame positioning method for the assembly positioning of the automobile. .

In order to achieve the above purpose, the present invention provides an automobile assembly fixture system, wherein the automobile assembly fixture 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 group on the mounting beam; 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 wall 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 group moves, so that the first positioning and clamping device positions and clamps the two side wall assemblies and the tailgate frame of the automobile from the inside of the automobile.

Preferably, the mounting bracket group includes a first mounting bracket arranged on the mounting beam; the driving device includes two first driving cylinders respectively arranged at both ends of the first mounting bracket; the first positioning clip The tightening device includes two first positioning and clamping mechanisms slidably arranged on the first mounting frame; the two first driving cylinders are connected with the two first positioning and clamping mechanisms in one-to-one correspondence, and the two The first driving cylinder is used to respectively drive the two first positioning and clamping mechanisms to move in opposite directions, so that the two first positioning and clamping mechanisms are respectively used for the A of the two side wall assemblies that are arranged at intervals. Column or C-pillar for positioning and clamping.

Preferably, the first positioning and clamping mechanism comprises a first sliding frame slidably arranged on the first mounting frame, and a first positioning pin, a first positioning block, a first clamping arm and a first clamping cylinder; 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, the first The other end of a 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, so that the A-pillar or the C-pillar can be fixed on the A-pillar or the C-pillar. Positioning, the first positioning block is used for abutting with one side surface of the A-pillar or the C-pillar, and the first clamping cylinder is used to drive the first clamping arm to drive the first abutting The connecting block is close to the other side surface of the A-pillar or the C-pillar, so that the first abutting block and the first positioning block cooperate to clamp the A-pillar or the C-pillar.

Preferably, the mounting bracket group includes a second mounting bracket arranged on the mounting beam; the driving device further includes two second driving cylinders arranged at both ends of the second mounting bracket; the first positioning The clamping device also includes two second positioning and clamping mechanisms slidably arranged on the second mounting frame; the two second driving cylinders are connected with the two second positioning and clamping mechanisms in one-to-one correspondence, and the two Each of the second driving cylinders is used to drive the two second positioning and clamping mechanisms to move opposite to each other, so that the two second positioning and clamping mechanisms are respectively used for the two spaced-apart side wall assemblies. The B-pillar is positioned and clamped.

Preferably, the second positioning and clamping mechanism comprises a second sliding frame slidably arranged on the second mounting frame, and a second positioning block and a second clamping frame arranged on the second sliding frame a cylinder, 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 to the the second driving cylinder is connected; the second positioning block is used for abutting with one side surface of the B-pillar, and the second clamping cylinder is used for driving the second clamping arm to drive the second positioning block The pin and the second abutting block are close to the B-pillar, so that the second positioning pin cooperates with the positioning hole of the B-pillar to position the B-pillar, and the second abutting block is connected to the B-pillar. The other side surface of the B-pillar abuts, and the second abutting block and the second positioning block cooperate to clamp the B-pillar.

Preferably, the mounting bracket group includes a third mounting bracket arranged on the mounting beam; the driving device further includes a third driving cylinder arranged on the third mounting bracket; the first positioning and clamping device It also includes a third sliding frame slidably arranged on the third mounting frame, and two third positioning and clamping mechanisms respectively arranged at both ends of the third sliding frame; the third sliding frame and the The third driving cylinder is 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 close to the D-pillars and the tailgate frame, so that the two third positioning and clamping mechanisms respectively position and clamp the two D-pillars and the two ends of the tailgate frame.

Preferably, the third positioning and clamping mechanism comprises a third positioning pin, a third positioning block and two clamping assemblies arranged on the third sliding frame; the third positioning pin is used for connecting with the The positioning holes of the tailgate frame are matched, the third positioning block is used for abutting with the tailgate frame, and the two clamping assemblies are used to clamp the upper edge and the rear edge of the D-pillar respectively; the The clamping assembly includes a third clamping cylinder and two third clamping arms arranged on the third sliding frame, the two third clamping arms are arranged at a distance from each other, and the two third clamping arms are One end of the arm is respectively connected with the third clamping cylinder, and the other ends of the two third clamping arms are respectively provided with third abutting blocks opposite to each other; the third clamping cylinder is used to drive the two The third clamping arm drives the two third abutting blocks to approach each other, so that the two third abutting blocks cooperate to clamp the D-pillar.

Preferably, the mounting bracket group further includes two fourth mounting brackets disposed on both sides of the mounting beam, the fourth mounting brackets include a base disposed on the main frame, A living hinged mounting plate; the driving device further includes a fourth driving cylinder, the cylinder body of the fourth driving cylinder is arranged on the mounting plate of one of the fourth mounting brackets, and the fourth driving cylinder is mounted on the mounting plate. The output shaft is connected with the mounting plate of the other fourth mounting frame; the first positioning and clamping device further includes two fourth positioning and clamping mechanisms respectively arranged on the two mounting plates; the first positioning and clamping device Four driving cylinders are used to drive the two fourth positioning and clamping mechanisms to be close to the upper side beams of the two side wall assemblies that are arranged at intervals, so that the two fourth positioning and clamping mechanisms are respectively aligned with the two The upper edge beam is clamped.

Preferably, the fourth positioning and clamping mechanism comprises two fourth positioning blocks and two fourth clamping arms arranged on the mounting plate, and two fourth clamping arms respectively connected to the two fourth clamping arms. a fourth clamping cylinder; the two fourth positioning blocks are arranged between the two fourth clamping arms, and the free ends of the two fourth clamping arms are respectively provided with fourth abutting blocks, 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 for abutting with one side surface of the upper side beam, Four clamping cylinders are used to drive the two fourth clamping arms respectively to drive the two fourth contact blocks to approach the other side surface of the roof beam, so that the two fourth contact blocks are respectively The upper edge and the lower edge of the upper side beam are clamped in cooperation with the two fourth positioning blocks.

Preferably, the automobile assembly fixture system further comprises a second positioning and clamping device, the second positioning and clamping device is fixed on the mounting beam, and the second positioning and clamping device is placed on the top of the automobile, The second positioning and clamping device is used to position and clamp the roof beam and the cowl top cover of the automobile.

Preferably, the mounting bracket group further includes two fifth mounting brackets disposed on both sides of the mounting beam; the second positioning and clamping device further includes two fifth positioning and clamping mechanisms, two of the first positioning and clamping mechanisms. Five positioning and clamping mechanisms are respectively arranged on the two fifth mounting brackets; the fifth positioning and clamping mechanism includes a fourth positioning pin, a fifth positioning block, a fifth positioning a clamping arm and a fifth clamping cylinder, one end of the fifth clamping arm is connected to the fifth clamping cylinder, and the other end of the fifth clamping arm is provided with a fifth abutting block; the first The four positioning pins are used for matching with the positioning holes of the middle beam of the roof beam to position the middle beam, the fifth positioning block is used for abutting with one side surface of the middle beam, the The fifth clamping cylinder is used to drive the fifth clamping arm to drive the fifth abutting block to approach the other side surface of the middle beam, so that the fifth abutting block and the fifth The positioning block cooperates to clamp the middle beam.

Preferably, the mounting bracket group further includes a sixth mounting bracket disposed on the mounting beam; the second positioning and clamping device further includes a positioning and pressing mechanism, and the positioning and pressing mechanism includes a positioning and pressing mechanism provided on the first A pressing cylinder on the sixth mounting frame, a fourth sliding frame slidably arranged on the sixth mounting frame, and a fifth positioning pin, a limit rod and a pressing block set on the fourth sliding frame , the fourth sliding frame is connected with the pressing cylinder; the pressing cylinder is used to drive the fourth sliding frame to drive the fifth positioning pin, the limiting rod and the pressing block close to the cowl top cover, so that the fifth positioning pin cooperates with the positioning holes of the cowl top cover to position the cowl top cover, and the limit rod is connected to the cowl top cover. The side edges of the upper cover plate abut to limit the position of the cowl upper cover plate, and the pressing block abuts against the upper end surface of the cowl upper cover plate to press the cowl upper cover plate.

In addition, the present invention also provides a multi-model general assembly stereo library, wherein the multi-model general assembly stereo library includes a production line provided with a plurality of storage positions, and a plurality of the above-mentioned automobile general assembly fixture systems, and more Each of the automobile assembly jig systems are respectively set corresponding to different vehicle models, and a plurality of the mounting beams of the plurality of the automobile assembly jig systems are respectively installed on different storage locations.

In the technical solution of the present invention, since the provided automobile assembly fixture system includes a main frame, a first positioning and clamping device and a driving device, the main frame includes a mounting beam and a mounting bracket group arranged on the mounting beam, and the driving device is arranged on the on the mounting frame group, and is used to drive the first positioning and clamping device movably arranged on the mounting frame group to move relative to the mounting frame group, so that the first positioning and clamping device is from the inside of the car to the side wall assembly and the tail of the car. The door frame is positioned and clamped, so that the first positioning and clamping device for assembling the side wall assembly and the tailgate frame of the car can be built in, which is conducive to obtaining a larger layout space for the welding robot and more welding points. Weld accessibility.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.

Fig. 1 is the structural schematic diagram that the automobile general assembly fixture system according to the embodiment of the present invention cooperates with the side wall assembly and the roof beam of the automobile;

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

3 is a schematic structural diagram of a first mounting frame, a first driving cylinder and a first positioning and clamping mechanism in an automobile general assembly fixture system according to an embodiment of the present invention;

4 is another structural schematic diagram of the first mounting frame, the first driving cylinder and the first positioning and clamping mechanism in the automobile general assembly fixture system according to the embodiment of the present invention;

5 is a schematic structural diagram of a second mounting frame, a second driving cylinder and a second positioning and clamping mechanism in the automobile general assembly fixture system according to the embodiment of the present invention;

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 general assembly fixture system according to the embodiment of the present invention;

7 is a schematic structural diagram of a fourth mounting frame, a fourth driving cylinder, and a fourth positioning and clamping mechanism in the automobile general assembly fixture system according to the embodiment of the present invention;

8 is a schematic structural diagram of a fifth mounting frame and a fifth positioning and clamping mechanism in an automobile assembly fixture system according to an embodiment of the present invention;

9 is a schematic structural diagram of a sixth mounting frame and a positioning and pressing mechanism in an automobile assembly fixture system according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a seventh mounting frame and a sixth positioning and clamping mechanism in an automobile general assembly fixture system according to an embodiment of the present invention.

The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Description of reference numbers:

Detailed ways

It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

Referring to FIG. 1, the present invention provides an automobile assembly fixture system. The automobile assembly clamp 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 is arranged on the mounting beam The mounting bracket group 19 on the 18; the first positioning and clamping device 2 is movably arranged on the mounting bracket group 19, and the mounting bracket group 19 is used to be placed between the two side wall assemblies 5 of the automobile, so that the first The positioning and clamping device 2 is placed inside the vehicle; 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 wall 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 invention, 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 . Group 19, the driving device 3 is arranged on the mounting bracket group 19, and is used to drive the first positioning and clamping device 2 movably arranged on the mounting bracket group 19 to slide relative to the mounting bracket group 19, so that the first positioning and clamping device 2. Position and clamp the side wall 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 wall assembly 5 and the tailgate frame of the car can be built in, which is beneficial to Get a larger layout space for welding robots and more welding points to improve welding accessibility.

In one embodiment, referring to FIG. 1 to FIG. 4 , the mounting bracket group 19 includes a first mounting bracket 11 arranged on the mounting beam 18 ; the driving device 3 includes two first driving cylinders respectively arranged at both ends of the first mounting bracket 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 connected, the two first driving cylinders 31 are used to respectively drive the two first positioning and clamping mechanisms 21 to move in opposite directions, so that the two first positioning and clamping mechanisms The A-pillar 51 or 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 wall assemblies 5 . Post 53. That is, during the assembly process of the automobile, the mounting beam 18 can be placed on the top of the automobile, the first mounting frame 11 can extend into the interior of the automobile, and the two first driving cylinders 31 can respectively drive the two first positioning clamps. The mechanism 21 is close to the A-pillars 51 or C-pillars 53 of the two side wall assemblies 5 arranged at intervals, so that the two first positioning and clamping mechanisms 21 are respectively connected to the A-pillars 51 or C-pillars 53 of the two side wall assemblies 5 . Positioning and clamping are performed, 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 vehicle; after the vehicle assembly is completed, the two first driving cylinders 31 can respectively drive the two The two first positioning and clamping mechanisms 21 are away from the A-pillars 51 or C-pillars 53 of the two side wall assemblies 5 , so that the two first positioning and clamping mechanisms 21 are retracted from the first mounting frame 11 .

It should be noted that, referring to FIG. 2 , in the present invention, the number of the first mounting brackets 11 can be two, and the two first mounting brackets 11 are arranged on the mounting bracket group 19 at intervals, and each first mounting bracket 11 Two first driving cylinders 31 and two first positioning and clamping mechanisms 21 can be correspondingly provided on the upper part to position and clamp the A-pillars 51 and C-pillars 53 of the two side wall assemblies 5 respectively. Of course, the present invention 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 clips The tightening mechanism 21, wherein the two first driving cylinders 31 and the two first positioning and clamping mechanisms 21 are provided corresponding to the A-pillars 51 of the two side wall assemblies 5, and the other two first driving cylinders 31 and the other two first The positioning and clamping mechanisms 21 are provided corresponding to the C-pillars 53 of the two side wall assemblies 5 .

Further, please refer 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 with the first driving cylinder 31; one end of the first clamping arm 214 is connected with 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; 53 for positioning, the first positioning block 213 is used to abut 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 column 51 or the C column 53, so that the first abutting block 216 and the first positioning block 213 cooperate to clamp the A column 51 or the C column 53. In the present invention, the first clamping arm 214 is articulated with the first sliding frame 211 . That is, during the assembly process 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 approach A. Pillar 51 or C-pillar 53, the first positioning pin 212 is inserted into the positioning hole of A-pillar 51 or C-pillar 53, the first positioning block 213 is in contact with one side surface of A-pillar 51 or C-pillar 53, and the first clamping cylinder 215 Drive the first clamping arm 214 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 in the process of automobile assembly; after the automobile assembly is completed, the first clamping cylinder 215 first drives the first clamping arm 214 to drive the first contactor. The connecting block 216 moves away from the A-pillar 51 or the C-pillar 53 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 A clamping arm 214 and the first clamping cylinder 215 are away from the A-pillar 51 or the C-pillar 53 , so that the A-pillar 51 or the C-pillar 53 can be released from the restriction of the first positioning pin 212 and the first positioning block 213 . Meanwhile, in this embodiment, the first mounting frame 11 , the first driving cylinder 31 and the first positioning and clamping mechanism 21 can be arranged correspondingly according to the specific structures of the A-pillar 51 and the C-pillar 53 . The schematic diagram of the structure shown in FIG. 3 can be Corresponding to the A-pillar 51 , the schematic structural 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, the first sliding frame 211 is slidably matched with the two first sliding rails 217 respectively, and the first driving cylinder 31 can drive the first sliding rails 217 . The frame 211 moves along the first sliding rail 217 , thereby ensuring the stability of the movement of the first sliding frame 211 .

In one embodiment, referring to FIG. 1 , FIG. 2 and FIG. 5 , the mounting bracket group 19 further includes a second mounting bracket 12 arranged on the mounting beam 18 ; two second driving cylinders 32; the first positioning and clamping device 2 further 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 one-to-one correspondence, and the two second driving cylinders 32 are used to respectively drive the two second positioning and clamping mechanisms 22 to move in opposite directions, so that the two second positioning and clamping mechanisms 22 are respectively opposite to the two The B-pillar 52 of the side wall 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 wall assemblies 5 . That is, during the assembly process of the automobile, the mounting beam 18 can be placed on the top of the automobile, the second mounting frame 12 can extend into the interior of the automobile, and the two second driving cylinders 32 can respectively drive the two second positioning clamps. The mechanism 22 is close to the B-pillars 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-pillars 52 of the two side wall assemblies 5, so that the Realize the positioning and clamping of the B-pillar 52 of the side wall assembly 5 from the inside of the automobile; 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 away from the two The B-pillar 52 of the side wall assembly 5 can retract the two second positioning and clamping mechanisms 22 from the second mounting frame 12 .

It should be noted that, when the mounting beam 18 is arranged on the two first mounting brackets 11 at intervals, the second mounting bracket 12 can be arranged between the two first mounting brackets 11, but the present invention is not limited to this, when A When the column 51 and the C-pillar 53 share the same first mounting bracket 11, the second mounting bracket 12 is not provided on the mounting beam 18, 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 arranged on the second mounting frame 12 , a second positioning block 222 and a second clamping cylinder arranged on the second sliding frame 221 223, the second clamping arm 224 connected with the second clamping cylinder 223, the second positioning pin 225 and the second abutting block 226 arranged on the second clamping arm 224; the second sliding frame 221 and the second The two driving cylinders 32 are connected; the second positioning block 222 is used for abutting with one side surface of the B-pillar 52, and the second clamping cylinder 223 is used for driving the second clamping arm 224 to drive the second positioning pin 225 to abut the second 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 position the B-pillar 52, and the second abutting block 226 abuts against the other side surface of the B-pillar 52, and the first The two abutting blocks 226 cooperate with the second positioning block 222 to clamp the B-pillar 52 . That is, during the 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 pins 225 on the two clamping arms 224 are inserted into the positioning holes of the B-pillar 52 , the second positioning block 222 is in contact with 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 , thereby ensuring that the B-pillar 52 is in the process of assembling the vehicle. After the assembly of the vehicle is completed, the second clamping cylinder 223 first drives the second clamping arm 224 to drive the second abutting block 226 away from the B-pillar 52 to release the B-pillar 52, and then the second driving 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 , two second sliding rails 227 are provided at intervals on the second mounting frame 12 , the second sliding frame 221 is slidably matched with the two second sliding rails 227 respectively, and the second driving cylinder 32 can drive the The second sliding frame 221 moves along the second sliding rail 227 to ensure the stability of the movement of the second sliding frame 221 .

In one embodiment, referring to FIG. 1 , FIG. 2 and FIG. 6 , the mounting bracket group 19 further includes a third mounting bracket 13 arranged on the mounting beam 18 ; the driving device 3 further includes a third mounting bracket 13 arranged on the third mounting bracket 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 respectively arranged at both ends of the third sliding frame 23 The third sliding frame 23 is connected with the third driving cylinder 33, and the third driving cylinder 33 is used to drive the third sliding frame 23 to drive two third positioning and clamping mechanisms 24 close to the two side wall assemblies 5 provided at intervals. the D-pillar 54 and the tailgate frame, so that the two third positioning and clamping mechanisms 24 respectively position and clamp the two D-pillars 54 and the two ends of 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-pillars 54 and the tailgate frame of the two side wall assemblies 5 arranged at intervals, so that the two D-pillars 54 and the tailgate frame are released from the constraints of the two third positioning and clamping mechanisms 24 . In the present invention, the D-pillars 54 of the two side wall assemblies 5 arranged at intervals and the tailgate frame arranged between the two D-pillars 54 surround the tailgate hole of the automobile, that is, during the assembly process of the automobile, the installation 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, in which one third positioning clamping mechanism 24 is adjacent to one D-pillar 54 and one end of the tailgate frame, and the other third positioning clamping mechanism 24 is adjacent to the other D-pillar 54 and the other end of the tailgate frame, and the two The three-positioning clamping mechanism 24 positions and clamps the corresponding D-pillar 54 and the tailgate frame respectively, so that the D-pillar 54 and the tailgate frame can be positioned and clamped from the inside of the vehicle; after the assembly of the vehicle is completed, the third drive The cylinder 33 can drive the third sliding frame 23 to drive the two third positioning and clamping mechanisms 24 away from the D-pillars 54 of the two side wall assemblies 5 and the tailgate frame, so that the third sliding frame 23 and the two third positioning The clamping mechanism 24 is retracted from 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 slidably matched 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 rails 247, Thus, the stability of the movement of the third sliding frame 23 is ensured.

Further, please refer to FIGS. 1 , 2 and 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 arranged on the third sliding frame 23 . The third positioning pin 241 is used to cooperate with the positioning hole of the tailgate frame, the third positioning block 242 is used to abut with the tailgate frame, and the two clamping assemblies 243 are used to clamp the upper and rear edges of the D-pillar 54 respectively. The clamping assembly 243 includes a third clamping cylinder 244 arranged on the third sliding frame 23 and two third clamping arms 245, the two third clamping arms 245 are arranged at a distance from each other, and the two third clamping arms 245 are One end of the clamping arm 245 is respectively connected with 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 244. 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 invention, the two third clamping arms 245 are articulated with the third sliding frame 23 respectively. At the same time, the cylinder body of the third clamping cylinder 244 is movably arranged, one of the third clamping arms 245 is connected to the cylinder body of the third clamping cylinder 244 , and the other third clamping arm 245 is connected to the cylinder body of the third clamping cylinder 244 . output shaft connection. That is, during the assembly process 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 assemblies 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, the third positioning block 242 is in contact with one side surface of the tailgate frame, and presses the tailgate frame against the D-pillar 54 . Clamp with the rear edge, so as to ensure the assembly stability of the D-pillar 54 and the tailgate frame during the assembly of the automobile; after the assembly of the automobile is completed, the third clamping cylinder 244 in the clamping assembly 243 first drives the two second cylinders. The three clamping arms 245 drive the two third abutting blocks 246 away from each other to release 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 The two clamping assemblies 243 are away from the D-pillar 54 and the tailgate frame, so that the tailgate frame can be released from the restriction of the third positioning pin 241 and the third positioning block 242 .

It should be noted in the present invention that the third mounting bracket 13 is placed outside the car facing the tailgate hole of the car, and does not extend into the interior of the car, but the third mounting bracket 13 is located between the two side wall assemblies 5 , and the third driving 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 partially extend into the interior of the vehicle, and the D-pillar 54 of the side wall assembly 5 can be partially extended. Clamp.

In one embodiment, referring to FIGS. 1 , 2 and 7 , the mounting bracket group 19 further includes two fourth mounting brackets 14 arranged on both sides of the mounting beam 18 . The base 141 and the mounting plate 142 hinged with the base 141; the driving device 3 further includes a fourth driving cylinder 34, and the cylinder block of the fourth driving cylinder 34 is arranged on one of the mounting plates 142 of the fourth mounting brackets 14 , the output shaft of the fourth driving cylinder 34 is connected with the mounting plate 142 of the other fourth mounting frame 14; The fourth driving cylinder 34 is used to drive the two fourth positioning and clamping mechanisms 25 close to the upper side beams 55 of the two side enclosure assemblies 5 that are arranged at intervals, so that the two fourth positioning and clamping mechanisms 25 are respectively opposite to the two upper sides. 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 roof side rail 55 respectively. That is, during the assembly process of the automobile, the mounting beam 18 can be placed on the top of the automobile, and the two fourth mounting brackets 14 can extend into the interior of the automobile, and the output shaft of the fourth driving cylinder 34 continues to extend outward to drive it. The connected mounting plate 142 drives the fourth positioning and clamping mechanism 25 to be close to the upper side beam 55 on one side. Since the force is mutual, 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 wall assembly 5 can be clamped from the inside of the automobile; after the automobile assembly is completed, the output shaft of the fourth driving 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 roof beam 55 on one side. It is hinged and loses the supporting function of the fourth driving cylinder 34 , so that the mounting plate 142 connected to the cylinder body of the fourth driving cylinder 34 can also drive the fourth positioning and clamping mechanism 25 away from the roof beam 55 on the other side. In addition, a plurality of sets of fourth mounting brackets 14 may be arranged on the mounting beam 18 at intervals. The four mounting frames 14 are respectively provided with corresponding fourth driving cylinders 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 disposed on the mounting plate 142 , and a fourth positioning block 251 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 one another; the two fourth positioning blocks 251 are used for abutting with one side surface of the upper side beam 55 respectively, and the fourth clamping cylinder 253 is used for driving The two fourth clamping arms 252 drive the two fourth abutting blocks 254 to be close to the other side surface of the roof side rail 55 , so that the fourth abutting block 254 on one of the fourth clamping arms 252 and the correspondingly disposed fourth abutting block 254 The four positioning blocks 251 cooperate to clamp the upper edge of the roof side beam 55 , and the fourth abutting block 254 on the other fourth clamping arm 252 cooperates with the corresponding fourth positioning block 251 to clamp the lower edge of the roof side beam 55 . clamped. In the present invention, the two fourth clamping arms 252 are articulated with 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 loosen the roof side beam 55 . In the present invention, the cylinder body of the fourth clamping cylinder 253 is movably arranged, one fourth clamping arm 252 is connected to the cylinder body of the fourth clamping cylinder 253 , and the other fourth clamping arm 252 is connected to the fourth clamping cylinder 253 The output shaft of the fourth clamping cylinder 253 is connected to the output shaft, 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 the direction away from the output shaft of the fourth clamping cylinder 253, so that the The fourth abutting block 254 on the fourth clamping arm 252 connected to the output shafts of the four clamping cylinders 253 is close to the corresponding fourth mounting block to clamp the lower edge of the roof side beam 55 , and the cylinder of the fourth clamping cylinder 253 The fourth abutting 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 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 Move in the direction away from the corresponding fourth positioning block 251 respectively, and release the upper edge and the lower edge of the upper side beam 55 .

In addition, referring to FIG. 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 first The two positioning and clamping devices 4 position and clamp the roof beam 6 and the cowl top cover (not shown) of the automobile.

In one embodiment, referring to FIGS. 1 , 2 and 8 , the mounting bracket group 19 further includes two fifth mounting brackets 15 respectively arranged on both sides of the mounting beam 18 ; the second positioning and clamping device 4 further includes Two fifth positioning and clamping mechanisms 41 on the two fifth mounting brackets 15; the fifth positioning and clamping mechanism 41 includes a fourth positioning pin 411, a fifth positioning block 412, a fifth positioning pin 411, The clamping arm 413 and the fifth clamping cylinder 414, 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 The pin 411 is used to cooperate with the positioning hole of the middle beam 62 of the top cover beam 6 to position the middle beam 62 , the fifth positioning block 412 is used to abut 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 abutting block 415 to approach the other side surface of the middle beam 62 , so that the fifth abutting block 415 and the fifth positioning block 412 cooperate to clamp the centering beam 62 . In the present invention, the fifth clamping arm 413 is articulated with the fifth mounting bracket 15 . That is, in the process of the overall assembly of the automobile, the mounting beam 18 can be placed on the top of the automobile, and the fifth mounting frame 15 corresponds to the middle beam 62 of the roof beam 6, and the fourth positioning pin 411 is directly inserted into the positioning hole of the middle beam 62 , the fifth positioning block 412 is in contact with 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 The connecting block 415 and the fifth positioning block 412 cooperate to clamp the middle beam 62 to ensure the assembly stability of the middle beam 62 during the assembly of the automobile; after the assembly of the automobile is completed, the fifth clamping cylinder 414 can drive the first The five clamping arms 413 drive the fifth abutting block 415 away from the lower edge of the middle beam 62 to loosen the middle beam 62, and then remove the vehicle that has completed the assembly work.

Meanwhile, referring to FIG. 1 , FIG. 2 and FIG. 10 , the mounting bracket group 19 further includes two sets of seventh mounting brackets 17 arranged on the mounting beam 18 at intervals of the fifth mounting bracket 15 , and any set of seventh mounting brackets 17 includes two A seventh mounting bracket 17 is provided, and two seventh mounting brackets 17 are respectively disposed on both sides of the mounting beam 18 . Each seventh mounting bracket 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 brackets 17 on the front side of the fifth mounting bracket 15 are used for clamping Tighten the front beam 61 of the roof beam 6 , and the two sixth positioning and clamping mechanisms 43 provided on the two seventh mounting frames 17 on the rear side of the fifth mounting frame 15 are used to clamp the rear beam 63 of the roof beam 6 . The sixth positioning and clamping mechanism 43 includes a sixth clamping arm 431 and a sixth clamping cylinder 432 provided on the seventh mounting frame 17 , a fifth sliding frame 433 connected with the sixth clamping cylinder 432 , and 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 hinged with 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 beam 61 or the rear beam 63 until the sixth positioning block 435 and the upper edge of the front beam 61 or the rear beam 63 The edges are in contact with each other, and the lower edge of the front cross member 61 or the rear cross member 63 is pressed against the sixth abutting block 436 , so that the sixth abutting block 436 and the sixth positioning block 435 are matched to the front cross member 61 or the rear cross member 63 . Clamping is performed to ensure the assembly stability of the front cross member 61 or the rear cross member 63 during the assembly process of the automobile.

In one embodiment, referring to FIGS. 1 , 2 and 9 , the mounting frame 19 further includes a sixth mounting bracket 16 arranged on the mounting beam 18 ; 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 mechanism arranged on the fourth sliding frame 422 The pin 423, the limit rod 424 and the pressing block 425, the fourth sliding frame 422 is connected with the pressing cylinder 421; the pressing 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 cowl top cover, so that the fifth positioning pin 423 cooperates with the positioning hole of the cowl top cover to position the cowl top cover, and the limit rod 424 is connected to the side of the cowl top cover. The edge abutting limits the position of the cowl top cover, and the pressing block 425 abuts on the upper end surface of the cowl top cover to press the cowl top cover. That is, during the assembly process of the automobile, the mounting beam 18 can be placed on the top of the automobile, and 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 to approach the dash. the upper cover plate, so that the fifth positioning pin 423 can be inserted into the positioning hole of the upper cowl cover to position the upper cowl cover, and the limit rod 424 is in contact with the side edge of the upper cowl cover. To limit the position, the pressing block 425 is in contact with the upper end face of the cowl top cover to press the cowl top cover, so as to ensure the assembly stability of the cowl top cover during the assembly process of the automobile; 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 cowl top cover, so that the cowl top cover is separated from the fifth positioning pin. 423 , the limit rod 424 and the limit of the pressing block 425 . At the same time, both ends of the sixth mounting frame 16 are respectively provided with fourth sliding rails that are slidably matched 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 first The stability of the movement of the four carriages 422 .

In the present invention, the automobile 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 inside the car, and positions and clamps the side wall assembly 5 and the tailgate frame of the car from the inside of the car, wherein the two first driving cylinders 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 wall assemblies 5 inside the vehicle, so that the two first positioning and clamping mechanisms 21 Positioning and clamping the A-pillars 51 or C-pillars 53 of the two side wall 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 close to the B-pillars 52 of the two side wall assemblies 5 inside the vehicle, so that the two second positioning and clamping mechanisms 22 position and clamp the B-pillars 52 of the two side wall assemblies 5 respectively. ; 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 in the vehicle interior to approach the D of the two side wall assemblies 5 laterally 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 wall assemblies 5 and position both ends of the tailgate frame; The fourth driving cylinder 34 on the frame 14 can drive the two fourth positioning and clamping mechanisms 25 to move in the direction of the upper side rails 55 of the two side wall assemblies 5 inside the vehicle, so that the two fourth positioning and clamping mechanisms 25 respectively clamps the upper side 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 can be used. 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 roof beam 55 are built-in It is placed between the two side wall assemblies 5 of the car, so as to avoid the phenomenon of occupying the external space of the car due to the use of the side frame assembly technology, which is beneficial to obtain a larger layout space for the welding robot and improve the welding possibility. reachability.

In addition, the second positioning and clamping device 4 is placed on the top of the automobile, and respectively positions and clamps the roof beam 6 and the upper cowl plate of the automobile from the top of the automobile, which are respectively arranged on the two fifth mounting brackets 15. The two fifth positioning and clamping mechanisms 41 position and clamp the middle beam 62 of the top cover beam 6; The mechanism 43 positions and clamps the front beam 61 of the roof beam 6; The rear beam 63 is positioned and clamped; the positioning and pressing mechanism 42 arranged on the sixth mounting frame 16 is positioned and pressed for the cowl 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 beam 6 and the cowl top cover of the automobile, that is, the first positioning and clamping device 2 and the second positioning and clamping device 4 can cooperate with each other. Realize the overall positioning of the car.

In addition, the present invention also provides a multi-model general assembly stereo library, wherein the multi-model general assembly stereo library includes a production line provided with a plurality of storage positions, and a plurality of the above-mentioned automobile assembly fixture systems, and a plurality of automobile assembly stereoscopic warehouses. The fixture systems are respectively set corresponding to different vehicle models, and the plurality of mounting beams 18 of the plurality of automobile assembly fixture systems are respectively installed on different storage locations. Since the multi-model integrated stereo 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, which will not be repeated here.

Specifically, the production line can be arranged with an online storage location, a switching storage location and multiple storage locations. The multiple storage locations are used to store the automobile assembly fixture system of different models. The sizes are arranged accordingly to meet the needs of different models.

At the same time, an on-line device can be set on the online storage position of the production line, a spreader device can be set on the storage storage position, and a moving device can be set on the switching storage position. When there is an automobile assembly fixture system that needs to go online, the spreader device can be driven to move to the online storage position through the moving device, and the online device hoists the automobile assembly fixture system on the spreader device, and then the travel device drives the spreader device and the spreader device. The car assembly fixture system on the tool device enters the corresponding storage location. In addition, the production line can also be arranged with a lifting device below 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 preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields , are similarly included in the scope of patent protection of the present invention.

Claims (13)

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.

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