CN214721695U - Automobile floor assembly welding system - Google Patents

Abstract

The utility model discloses a car floor assembly welding system, including welding jig, welding jig includes the base and sets up the truckle on the base, and car floor assembly welding system is still including being used for making welding jig is located the anchor clamps positioner of welding station, anchor clamps positioner include the lower carriage, set up on the lower carriage and with the universal ball bulleye bearing that the bottom surface of base contacted and rotatable leading wheel that sets up on the lower carriage, the leading wheel sets up a plurality of and all leading wheels and is two rows and arrange, and the base has two that are used for contacting with two rows of leading wheels and lead the spigot surface, and two lead the spigot surface and are located between two rows of leading wheels. The utility model discloses a car floor assembly welding system realizes welding jig at the reliable fixed of welding station through setting up anchor clamps positioner, avoids welding jig to appear removing in welding process.

Description

Automobile floor assembly welding system

Technical Field

The utility model belongs to the technical field of anchor clamps, specifically speaking, the utility model relates to an automobile floor assembly welding system.

Background

The automobile floor assembly mainly comprises an upper cover plate and two longitudinal beams, wherein the two longitudinal beams are connected with the upper cover plate in a welding mode. As sheet metal parts on an automobile, an upper cover plate and two longitudinal beams forming an automobile floor assembly need to be welded to realize connection, and the upper cover plate and the two longitudinal beams need to be clamped through a welding fixture during welding. When the existing welding clamp stops at a welding station, the existing welding clamp is fixed by the caster at the bottom, the fixing is unreliable in the mode, and an operator easily forgets to lock the caster, so that the clamp possibly moves in the welding process to influence the welding operation; moreover, the existing welding fixture is provided with fewer clamping mechanisms, so that the upper cover plate and the two longitudinal beams cannot be reliably clamped and fixed, the upper cover plate and the two longitudinal beams are stressed unevenly, the upper clamping plate is easy to deform in the welding process, the welded product quality is influenced, and plates are easy to scrap.

SUMMERY OF THE UTILITY MODEL

The utility model provides a car floor assembly welding system, the removal appears in the purpose avoids among the welding process anchor clamps, improves the product quality after the welding.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: automobile floor assembly welding system, including welding jig, welding jig includes the base and sets up the truckle on the base, automobile floor assembly welding system is still including being used for making welding jig is located the anchor clamps positioner of welding station, anchor clamps positioner include the lower carriage, set up on the lower carriage and with the universal ball bullseye bearing that the bottom surface of base contacted and the rotatable leading wheel that sets up on the lower carriage, the leading wheel sets up a plurality ofly and all leading wheels and is two rows and arrange, and the base has two slip faces of leading that are used for contacting with two rows of leading wheels, and two are led the slip face and are located between two rows of leading wheels.

The fixture positioning device further comprises a lower limiting block arranged on the lower bracket and used for limiting the welding fixture, the welding fixture further comprises an upper limiting block arranged on the base and used for contacting with the lower limiting block and a locking pin arranged on the base, and the lower bracket is provided with a locking hole for allowing the locking pin to be inserted.

The welding fixture comprises a first clamping device for clamping an upper cover plate at a first preset position, a second clamping device for clamping a first longitudinal beam and the upper cover plate at a second preset position, a third clamping device for clamping the first longitudinal beam and the upper cover plate at a third preset position, a fourth clamping device for clamping the first longitudinal beam and the upper cover plate at a fourth preset position, a fifth clamping device for clamping the second longitudinal beam and the upper cover plate at a fifth preset position, a sixth clamping device for clamping the second longitudinal beam and the upper cover plate at a sixth preset position, a seventh clamping device for clamping the second longitudinal beam and the upper cover plate at a seventh preset position, a first positioning device and a second positioning device for positioning the first longitudinal beam, a third positioning device and a fourth positioning device for positioning the second longitudinal beam, a first clamping device, a second clamping device, a third clamping device and a fourth clamping device for clamping the first longitudinal beam and the upper cover plate at a second preset position, a third clamping device and a fourth clamping device for clamping the second longitudinal beam at a third clamping device and a fourth clamping device, The second clamping device, the third clamping device, the fourth clamping device, the fifth clamping device, the sixth clamping device and the seventh clamping device are respectively positioned on a straight line parallel to the first direction, and the first positioning device, the third positioning device, the second positioning device and the fourth positioning device are all positioned on a straight line parallel to the second direction.

The first clamping device comprises a first clamping support, a first clamping arm rotatably arranged on the first clamping support, a first upper clamping block arranged on the first clamping arm, and a first lower clamping block arranged on the first clamping support and matched with the first upper clamping block to clamp the upper cover plate, and the rotating center line of the first clamping arm is parallel to the first direction.

The second clamping device comprises a second clamping support, an auxiliary support, a second clamping arm rotatably arranged on the second clamping support, a second upper clamping block arranged on the second clamping arm, a second lower clamping block arranged on the second clamping support and matched with the second upper clamping block to clamp the upper cover plate and the first longitudinal beam, and an auxiliary lower clamping block arranged on the auxiliary support and matched with the second upper clamping block to clamp the upper cover plate and the first longitudinal beam, wherein the rotation center line of the second clamping arm is parallel to the first direction, and the second clamping support and the auxiliary support are positioned on the same straight line parallel to the second direction.

The third clamping device comprises a third clamping support, a third clamping arm rotatably arranged on the third clamping support, a third upper clamping block arranged on the third clamping arm, and a third lower clamping block arranged on the third clamping support and matched with the third upper clamping block to clamp the upper cover plate and the first longitudinal beam, and the rotating center line of the third clamping arm is parallel to the first direction.

The fourth clamping device comprises a fourth clamping support, a fourth clamping arm rotatably arranged on the fourth clamping support, a fourth upper clamping block arranged on the fourth clamping arm, and a fourth lower clamping block arranged on the fourth clamping support and matched with the fourth upper clamping block to clamp the upper cover plate and the first longitudinal beam, and the rotating center line of the fourth clamping arm is parallel to the first direction.

The fifth clamping device comprises a fifth clamping support, a fifth clamping arm rotatably arranged on the fifth clamping support, a fifth upper clamping block arranged on the fifth clamping arm, and a fifth lower clamping block arranged on the fifth clamping support and matched with the fifth upper clamping block to clamp the upper cover plate and the second longitudinal beam, and the rotating center line of the fifth clamping arm is parallel to the first direction.

The sixth clamping device comprises a sixth clamping support, a sixth clamping arm rotatably arranged on the sixth clamping support, a sixth upper clamping block arranged on the sixth clamping arm, and a sixth lower clamping block arranged on the sixth clamping support and matched with the sixth upper clamping block to clamp the upper cover plate and the second longitudinal beam, and the rotating center line of the sixth clamping arm is parallel to the first direction.

The seventh clamping device comprises a seventh clamping support, a seventh clamping arm rotatably arranged on the seventh clamping support, a seventh upper clamping block arranged on the seventh clamping arm, and a seventh lower clamping block arranged on the seventh clamping support and matched with the seventh upper clamping block to clamp the upper cover plate and the second longitudinal beam, and the rotating center line of the seventh clamping arm is parallel to the first direction.

The utility model discloses an automobile floor assembly welding system, through setting up the reliable fixed of fixture positioning device realization welding jig at the welding station, avoid welding jig to appear moving in the welding process; and set up a large amount of clamping devices on the anchor clamps, can realize that upper cover plate and two longerons press from both sides tightly reliably and fix to can make upper cover plate and two longerons atress inhomogeneous, guarantee that the upper plate is difficult to appear warping in welding process, improve the product quality after the welding.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a schematic structural view of a welding system for an automotive floor assembly according to the present invention;

FIG. 2 is a schematic view of a welding system for a floor assembly of an automobile according to the present invention;

FIG. 3 is a schematic structural view of an automotive floor assembly;

FIG. 4 is a schematic view of the assembly of the first clamping device with the first positioning device;

FIG. 5 is a schematic view of the second clamping device;

FIG. 6 is a schematic structural view of a third clamping device;

FIG. 7 is a schematic structural view of a fourth clamping device;

FIG. 8 is a schematic view of the assembly of the fifth clamping device with the third positioning device;

FIG. 9 is a schematic structural view of a sixth clamping device;

FIG. 10 is a schematic view of a second positioning device;

FIG. 11 is a schematic view of the second positioning device and the fourth positioning device;

FIG. 12 is a schematic view of the structure of the clamp positioning device;

labeled as: 100. a first clamping device; 101. a first clamping bracket; 102. a first clamp arm; 103. a first upper clamping block; 104. a first lower clamping block; 105. a first driver; 106. a first primary locating pin; 200. a second clamping device; 201. a second clamping bracket; 202. a second clamp arm; 203. a second upper clamping block; 204. a second lower clamping block; 205. a second driver; 206. an auxiliary support; 207. auxiliary lower clamping blocks; 300. a third clamping device; 301. a third clamping bracket; 302. a third clamp arm; 303. a third upper clamping block; 304. a third lower clamping block; 305. a third driver; 400. a fourth clamping device; 401. a fourth clamping bracket; 402. a fourth clamp arm; 403. a fourth upper clamping block; 404. a fourth lower clamping block; 405. a fourth driver; 500. a fifth clamping device; 501. a fifth clamping bracket; 502. a fifth clamp arm; 503. a fifth upper clamping block; 504. a fifth lower clamping block; 505. a fifth driver; 600. a sixth clamping device; 601. a sixth clamping bracket; 602. a sixth clamp arm; 603. a sixth upper clamping block; 604. a sixth lower clamping block; 605. a sixth driver; 606. a sixth positioning pin; 700. a seventh clamping device; 701. a seventh clamping bracket; 702. a seventh clamp arm; 703. a seventh upper clamping block; 704. a seventh lower clamping block; 705. a seventh driver; 706. a second primary locating pin; 800. a first positioning device; 801. a first positioning bracket; 802. a first positioning pin; 803. a first cylinder; 804. a first pallet; 900. a second positioning device; 901. a second positioning bracket; 902. a second positioning pin; 903. a second cylinder; 904. a second pallet; 1000. a third positioning device; 1001. a third pallet; 1002. a third positioning pin; 1003. a third cylinder; 1100. a fourth positioning device; 1101. a fourth positioning bracket; 1102. a fourth positioning pin; 1103. a fourth cylinder; 1104. a fourth pallet; 1200. a base; 1300. an upper cover plate; 1400. a second stringer; 1500. a lower bracket; 1600. universal ball and bull's eye bearings; 1700. a guide wheel; 1800. a caster wheel; 1900. a lower limiting block; 2000. an upper limit block; 2100. a locking pin; 2200. a locking hole; 2300. a first stringer.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

As shown in fig. 1 to 12, the utility model provides an automobile floor assembly welding system, including welding jig and the anchor clamps positioner who is used for making welding jig be located the welding station, welding jig includes base 1200 and sets up truckle 1800 on base 1200, anchor clamps positioner includes lower carriage 1500, set up on lower carriage 1500 and the universal ball bull's eye bearing 1600 that contacts with the bottom surface of base 1200 and rotatable leading wheel 1700 that sets up on lower carriage 1500, leading wheel 1700 sets up a plurality ofly and all leading wheels 1700 are two rows and arrange, base 1200 has two that are used for contacting with two rows of leading wheels 1700 and leads the spigot surface, two lead the spigot surface and are located between two rows of leading wheels 1700.

Specifically, as shown in fig. 1, 2 and 12, the base 1200 is a rectangular structure, the base 1200 is horizontally disposed, the length direction of the base 1200 is parallel to a first direction, the width direction of the base 1200 is parallel to a second direction, both the first direction and the second direction are horizontal, and the first direction and the second direction are perpendicular. The casters 1800 are four in number, and the four casters 1800 are distributed in a rectangular shape. The lower bracket 1500 is positioned between the two rows of casters 1800, the lower bracket 1500 is fixedly arranged on the ground at the welding station, and the lower bracket 1500 is stationary. The guide wheels 1700 are cylinders, the axes of the guide wheels 1700 are vertical lines, the guide wheels 1700 in the same row are located on the same straight line parallel to the second direction, the two rows of guide wheels 1700 are used for limiting the welding fixture in the second direction, the two guide sliding surfaces are vertical planes, and the two guide sliding surfaces are respectively in contact with the two rows of guide wheels 1700. Universal ball bulleye bearing 1600 sets up a plurality ofly, and welding jig is promoted to the in-process of welding the station, and welding jig's moving direction parallels with the second direction, and base 1200's bottom surface and universal ball bulleye bearing 1600 contact are rolling friction between the two, and leading wheel 1700 provides the guide effect to welding jig simultaneously to make anchor clamps move to the welding station along the second direction stability. The structure of the universal ball and bull's eye bearing 1600 is well known to those skilled in the art and will not be described further herein. All universal ball bulleye bearings 1600 are two rows and arrange, and all universal ball bulleye bearings 1600 of each row are located the collinear with the second direction parallels, respectively arrange and put the universal ball bulleye bearing 1600 of equal quantity, and two rows of universal ball bulleye bearings 1600 are located between two rows of leading wheels 1700, guarantee that anchor clamps atress is even at the slip in-process, promote stability.

As shown in fig. 1, 2 and 12, the jig positioning device further includes a lower limiting block 1900 provided on the lower bracket 1500 and used for limiting the welding jig, the welding jig further includes an upper limiting block 2000 provided on the base 1200 and used for contacting with the lower limiting block 1900, and a locking pin 2100 provided on the base 1200, and the lower bracket 1500 has a locking hole 2200 into which the locking pin 2100 is inserted. The lower limiting blocks 1900 are vertically arranged, the number of the lower limiting blocks 1900 is two, the two lower limiting blocks 1900 are located on the same straight line parallel to the first direction, the number of the upper limiting blocks 2000 is also two, the upper limiting blocks 2000 are fixedly connected with the base 1200, and each upper limiting block 2000 and one lower limiting block 1900 are located on the same straight line parallel to the second direction. The upper limiting block 2000 is used for being matched with the lower limiting block 1900 to limit the welding fixture in the second direction, after the upper limiting block 2000 is contacted with the lower limiting block 1900, the welding fixture stops moving, then the locking pin 2100 is inserted into the locking hole 2200, the welding fixture and the lower bracket 1500 can be fixed relatively, namely, the welding fixture is completely fixed on a welding station, and the welding fixture cannot move. The locking pin 2100 and the upper limiting block 2000 are disposed at opposite ends of the base 1200, the locking pin 2100 is vertically disposed, a through hole for the locking pin 2100 to pass through is disposed at an end of the base 1200, the locking hole 2200 is a circular hole disposed at an end of the lower bracket 1500, and the locking pin 2100 and the locking hole 2200 are on the same vertical line. After the locking pin 2100 is withdrawn from the locking hole 2200, the welding fixture can be moved in a second direction away from the lower stop 1900 and out of the welding station.

As shown in fig. 1 to 3, the welding jig includes a first clamping device 100 for clamping the upper cover plate at a first preset position, a second clamping device 200 for clamping the first longitudinal beam and the upper cover plate at a second preset position, a third clamping device 300 for clamping the first longitudinal beam and the upper cover plate at a third preset position, a fourth clamping device 400 for clamping the first longitudinal beam and the upper cover plate at a fourth preset position, a fifth clamping device 500 for clamping the second longitudinal beam and the upper cover plate at a fifth preset position, a sixth clamping device 600 for clamping the second longitudinal beam and the upper cover plate at a sixth preset position, a seventh clamping device 700 for clamping the second longitudinal beam and the upper cover plate at a seventh preset position, a first positioning device and a second positioning device for positioning the first longitudinal beam, and a third positioning device and a fourth positioning device for positioning the second longitudinal beam, the first clamping device 100, the second clamping device 200, the third clamping device 300, the fourth clamping device 400, the fifth clamping device 500, the sixth clamping device 600 and the seventh clamping device 700 are arranged on the top surface of the base 1200, the first clamping device 100, the second clamping device 200, the third clamping device 300, the fourth clamping device 400, the fifth clamping device 500, the sixth clamping device 600 and the seventh clamping device 700 are respectively located on a straight line parallel to the first direction, and the first positioning device, the third positioning device, the second positioning device and the fourth positioning device are all located on a straight line parallel to the second direction. The first positioning means is located between the first clamping means 100 and the second clamping means 200, the second positioning means is located between the third clamping means 300 and the fourth clamping means 400, the third positioning means is mounted on the fifth clamping means 500, and the fourth positioning means is located between the sixth clamping means 600 and the seventh clamping means 700. The welded automobile floor assembly consists of an upper cover plate, a first longitudinal beam and a second longitudinal beam, wherein the first longitudinal beam and the second longitudinal beam are welded with the upper cover plate at the same side of the upper cover plate, and the first longitudinal beam and the second longitudinal beam are positioned on the same straight line parallel to the width direction of the upper cover plate.

As shown in fig. 1, 2 and 4, the first clamping device 100 is used for clamping an upper cover plate at one end of the upper cover plate in the length direction, the first clamping device 100 includes a first clamping support 101 vertically disposed on a base 1200, a first clamping arm 102 rotatably disposed on the first clamping support 101, a first upper clamping block 103 disposed on the first clamping arm 102, a first lower clamping block 104 disposed on the first clamping support 101 and cooperating with the first upper clamping block 103 to clamp the upper cover plate, and a first driver 105 disposed on the first clamping support 101 and used for providing a driving force for the first clamping arm 102 to rotate, and a rotation center line of the first clamping arm 102 is parallel to the first direction. The first lower clamping block 104 is matched with the first upper clamping block 103, one end of the upper cover plate clamps the upper cover plate, in the clamping state, the first lower clamping block 104 is positioned below the upper cover plate and attached to the bottom surface of the upper cover plate, and the first upper clamping block 103 is positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the first clamping arm 102 is rotatably connected with the first driver 105, the first upper clamping block 103 is fixedly arranged at the other end of the first clamping arm 102, the first clamping arm 102 is rotatably connected with the first clamping support 101 at a position between the two ends, and the first driver 105 can drive the first clamping arm 102 to overturn up and down during working, so that clamping and releasing of the upper cover plate are realized. The first actuator 105 is an air cylinder or a hydraulic cylinder, a piston rod of the first actuator 105 is rotatably connected to the first clamp arm 102, and a cylinder body of the first actuator 105 is rotatably connected to the first clamp bracket 101.

Preferably, the first upper clamping block 103 is provided in plurality on the first clamping arm 102, and the plurality of first upper clamping blocks 103 are sequentially arranged along the length direction of the first clamping arm 102, the number of the first lower clamping blocks 104 is the same as that of the first upper clamping blocks 103, and each first upper clamping block 103 is respectively matched with one first lower clamping block 104 to clamp the upper cover plate.

As shown in fig. 1, 2 and 5, the second clamping device 200 is used to clamp the first longitudinal beam and the upper cover plate to clamp and fix the first longitudinal beam to the upper cover plate before welding. The second clamping device 200 is located between the first clamping device 100 and the third clamping device 300, the second clamping device 200 comprises a second clamping bracket 201 and an auxiliary bracket 206 vertically arranged on the base 1200, a second clamping arm 202 rotatably arranged on the second clamping bracket 201, a second upper clamping block 203 arranged on the second clamping arm 202, a second lower clamping block 204 arranged on the second clamping bracket 201 and matched with the second upper clamping block 203 to clamp the first longitudinal beam and the upper cover plate, an auxiliary lower clamping block 207 arranged on the auxiliary bracket 206 and matched with the second upper clamping block 203 to clamp the upper cover plate and the first longitudinal beam, and a second driver 205 arranged on the second clamping bracket 201 and used for providing a driving force for rotating the second clamping arm 202, the rotation center line of the second clamping arm 202 is parallel to the first direction, the second clamping bracket 201 and the auxiliary bracket 206 are in the same straight line parallel to the second direction, the auxiliary bracket 206 is located between the fifth clamping device 500 and the sixth clamping device 600. Through the matching of one second lower clamping block 204, one second upper clamping block 203, one auxiliary lower clamping block 207 and the other second upper clamping block 203, the first longitudinal beam and the upper cover plate are clamped at one end of the first longitudinal beam in the length direction, in the clamping state, the second lower clamping block 204 and the auxiliary lower clamping block 207 are positioned below two flanges of the first longitudinal beam and attached to the two flanges of the first longitudinal beam, and the two second upper clamping blocks 203 are positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the second clamping arm 202 is rotatably connected with the second driver 205, the second upper clamping block 203 is fixedly arranged at the other end of the second clamping arm 202, the second clamping arm 202 is rotatably connected with the second clamping bracket 201 at a position between the two ends, and the second driver 205 can drive the second clamping arm 202 to turn over up and down during working, so that the first longitudinal beam and the upper cover plate can be clamped and released. The second actuator 205 is an air cylinder or a hydraulic cylinder, a piston rod of the second actuator 205 is rotatably connected to the second clamp arm 202, and a cylinder body of the second actuator 205 is rotatably connected to the second clamp bracket 201.

As shown in fig. 1, 2 and 6, the third clamping device 300 is used for clamping the first longitudinal beam and the upper cover plate, the third clamping device 300 is located between the second clamping device 200 and the fourth clamping device 400, the third clamping device 300 includes a third clamping bracket 301 vertically disposed on the base 1200, a third clamping arm 302 rotatably disposed on the third clamping bracket 301, a third upper clamping block 303 disposed on the third clamping arm 302, a third lower clamping block 304 disposed on the third clamping bracket 301 and cooperating with the third upper clamping block 303 to clamp the first longitudinal beam and the upper cover plate, and a third driver 305 disposed on the third clamping bracket 301 and used for providing a driving force for the third clamping arm 302 to rotate, a rotation center line of the third clamping arm 302 is parallel to the first direction. The first longitudinal beam and the upper cover plate are clamped through the matching of the two third lower clamping blocks 304 and the two third upper clamping blocks 303, when in a clamping state, the two third lower clamping blocks 304 are positioned below the two flanges of the first longitudinal beam and attached to the two flanges of the first longitudinal beam, and the two third upper clamping blocks 303 are positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the third clamping arm 302 is rotatably connected with a third driver 305, the third upper clamping block 303 is fixedly arranged at the other end of the third clamping arm 302, the third clamping arm 302 is rotatably connected with the third clamping bracket 301 at a position between the two ends, and the third driver 305 can drive the third clamping arm 302 to turn over up and down during working, so that the first longitudinal beam and the upper cover plate can be clamped and released. The third actuator 305 is an air cylinder or a hydraulic cylinder, a piston rod of the third actuator 305 is rotatably connected to the third clamp arm 302, and a cylinder body of the third actuator 305 is rotatably connected to the third clamp bracket 301.

As shown in fig. 1, 2 and 7, the fourth clamping device 400 is used for clamping the first longitudinal beam and the upper cover plate at the other end of the first longitudinal beam in the length direction, the fourth clamping device 400 includes a fourth clamping bracket 401 vertically disposed on a base 1200, a fourth clamping arm 402 rotatably disposed on the fourth clamping bracket 401, a fourth upper clamp block 403 disposed on the fourth clamping arm 402, a fourth lower clamp block 404 disposed on the fourth clamping bracket 401 and matched with the fourth upper clamp block 403 to clamp the first longitudinal beam and the upper cover plate, and a fourth driver 405 disposed on the fourth clamping bracket 401 and used for providing a driving force for rotating the fourth clamping arm 402, wherein a rotation center line of the fourth clamping arm 402 is parallel to the first direction. The first longitudinal beam and the upper cover plate are clamped through the matching of the two fourth lower clamping blocks 404 and the two fourth upper clamping blocks 403, when in a clamping state, the two fourth lower clamping blocks 404 are positioned below the two flanges of the first longitudinal beam and attached to the two flanges of the first longitudinal beam, and the two fourth upper clamping blocks 403 are positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the fourth clamping arm 402 is rotatably connected with a fourth driver 405, the fourth upper clamping block 403 is fixedly arranged at the other end of the fourth clamping arm 402, the fourth clamping arm 402 is rotatably connected with the fourth clamping bracket 401 at a position between two ends, and the fourth driver 405 can drive the fourth clamping arm 402 to overturn up and down during operation, so that the first longitudinal beam and the upper cover plate can be clamped and released. The fourth driver 405 is an air cylinder or a hydraulic cylinder, a piston rod of the fourth driver 405 is rotatably connected to the fourth clamping arm 402, and a cylinder body of the fourth driver 405 is rotatably connected to the fourth clamping bracket 401.

As shown in fig. 1, 2 and 8, the fifth clamping device 500 is used for clamping the second longitudinal beam and the upper cover plate at one end of the second longitudinal beam in the length direction, the fifth clamping device 500 includes a fifth clamping bracket 501 vertically disposed on the base 1200, a fifth clamping arm 502 rotatably disposed on the fifth clamping bracket 501, a fifth upper clamping block 503 disposed on the fifth clamping arm 502, a fifth lower clamping block 504 disposed on the fifth clamping bracket 501 and clamping the second longitudinal beam and the upper cover plate in cooperation with the fifth upper clamping block 503, and a fifth driver 505 disposed on the fifth clamping bracket 501 and providing a driving force for rotating the fifth clamping arm 502, wherein the rotation center line of the fifth clamping arm 502 is parallel to the first direction. The second longitudinal beam and the upper cover plate are clamped through the matching of the two fifth lower clamping blocks 504 and the two fifth upper clamping blocks 503, when in a clamping state, the two fifth lower clamping blocks 504 are positioned below the two flanges of the second longitudinal beam and attached to the two flanges of the second longitudinal beam, and the two fifth upper clamping blocks 503 are positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the fifth clamping arm 502 is rotatably connected with a fifth driver 505, the fifth upper clamping block 503 is fixedly arranged at the other end of the fifth clamping arm 502, the fifth clamping arm 502 is rotatably connected with the fifth clamping bracket 501 at a position between the two ends, and when the fifth driver 505 works, the fifth clamping arm 502 can be driven to turn over up and down, so that the clamping and releasing of the second longitudinal beam and the upper cover plate are realized. The fifth actuator 505 is an air cylinder or a hydraulic cylinder, a piston rod of the fifth actuator 505 is rotatably connected with the fifth clamping arm 502, and a cylinder body of the fifth actuator 505 is rotatably connected with the fifth clamping bracket 501.

As shown in fig. 1, 2 and 9, the sixth clamping device 600 is located between the fifth clamping device 500 and the seventh clamping device 700, the distance between the sixth clamping device 600 and the fifth clamping device 500 is smaller than the distance between the sixth clamping device 600 and the seventh clamping device 700, the sixth clamping device 600 and the third clamping device 300 are located on the same straight line parallel to the second direction, the third clamping device 300 clamps the upper cover plate and the first longitudinal beam at a position between both ends of the first longitudinal beam in the longitudinal direction, and the sixth clamping device 600 clamps the upper cover plate and the second longitudinal beam at a position between both ends of the second longitudinal beam in the longitudinal direction. The sixth clamping device 600 is used for clamping the second longitudinal beam and the upper cover plate, the sixth clamping device 600 includes a sixth clamping support 6001 vertically disposed on the base 1200, a sixth clamping arm 602 rotatably disposed on the sixth clamping support 6001, a sixth upper clamping block 603 disposed on the sixth clamping arm 602, a sixth lower clamping block 604 disposed on the sixth clamping support 6001 and cooperating with the sixth upper clamping block 603 to clamp the second longitudinal beam and the upper cover plate, and a sixth driver 605 disposed on the sixth clamping support 6001 and configured to provide a driving force for the sixth clamping arm 602 to rotate, and a rotation center line of the sixth clamping arm 602 is parallel to the first direction. The second longitudinal beam and the upper cover plate are clamped through the matching of the two sixth lower clamping blocks 604 and the two sixth upper clamping blocks 603, when in a clamping state, the two sixth lower clamping blocks 604 are positioned below the two flanges of the second longitudinal beam and attached to the two flanges of the second longitudinal beam, and the two sixth upper clamping blocks 603 are positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the sixth clamping arm 602 is rotatably connected to the sixth driver 605, the sixth upper clamping block 603 is fixedly disposed at the other end of the sixth clamping arm 602, the sixth clamping arm 602 is rotatably connected to the sixth clamping support 6001 at a position between the two ends, and when the sixth driver 605 works, the sixth clamping arm 602 can be driven to turn over up and down, so that the second longitudinal beam and the upper cover plate can be clamped and released. The sixth actuator 605 is an air cylinder or a hydraulic cylinder, a piston rod of the sixth actuator 605 is rotatably connected to the sixth clamp arm 602, and a cylinder body of the sixth actuator 605 is rotatably connected to the sixth clamp support 6001.

As shown in fig. 1, 2 and 10, the seventh clamping means 700 is for clamping the second side member and the upper cover plate at the other end in the longitudinal direction of the second side member, and the seventh clamping means 700 and the fourth clamping means 400 are on the same straight line parallel to the second direction. The seventh clamping device 700 includes a seventh clamping bracket 701 vertically disposed on the base 1200, a seventh clamping arm 702 rotatably disposed on the seventh clamping bracket 701, a seventh upper clamping block 703 disposed on the seventh clamping arm 702, a seventh lower clamping block 704 disposed on the seventh clamping bracket 701 and cooperating with the seventh upper clamping block 703 to clamp the second longitudinal beam and the upper cover plate, and a seventh driver 705 disposed on the seventh clamping bracket 701 and configured to provide a driving force for rotating the seventh clamping arm 702, where a rotation center line of the seventh clamping arm 702 is parallel to the first direction. The second longitudinal beam and the upper cover plate are clamped through the matching of the two seventh lower clamping blocks 704 and the two seventh upper clamping blocks 703, when in a clamping state, the two seventh lower clamping blocks 704 are positioned below the two flanges of the second longitudinal beam and attached to the two flanges of the second longitudinal beam, and the two seventh upper clamping blocks 703 are positioned above the upper cover plate and attached to the top surface of the upper cover plate. One end of the seventh clamping arm 702 is rotatably connected with the seventh driver 705, the seventh upper clamping block 703 is fixedly arranged at the other end of the seventh clamping arm 702, the seventh clamping arm 702 is rotatably connected with the seventh clamping bracket 701 at a position between the two ends, and when the seventh driver 705 works, the seventh clamping arm 702 can be driven to turn over up and down, so that the clamping and releasing of the second longitudinal beam and the upper cover plate are realized. The seventh actuator 705 is a pneumatic cylinder or a hydraulic cylinder, a piston rod of the seventh actuator 705 is rotatably connected to the seventh clamping arm 702, and a cylinder body of the seventh actuator 705 is rotatably connected to the seventh clamping bracket 701.

As shown in fig. 1 to 4 and 10, the first clamping device 100 further includes a first main positioning pin 106 disposed on the first clamping support 101, the seventh clamping device 700 further includes a second main positioning pin 706 disposed on the seventh clamping support 701, both the first main positioning pin 106 and the second main positioning pin 706 are vertically disposed, the first main positioning pin 106 and the second main positioning pin 706 jointly position the upper plate, both ends of the upper plate in the length direction are respectively provided with a positioning hole, and the first main positioning pin 106 and the second main positioning pin 706 are respectively inserted into one positioning hole, so as to accurately position the upper plate.

As shown in fig. 1 to 4, the first positioning device 800 is located between the first clamping device 100 and the second clamping device 200, and the first positioning device 800 includes a first positioning bracket 801 vertically disposed on the base 1200, a first cylinder 803 disposed on the first positioning bracket 801, a first supporting plate 804 disposed on the first cylinder 803, and a first positioning pin 802 disposed on the first supporting plate 804. First cylinder 803 and first locating support 801 fixed connection, first cylinder 803 is vertical setting, the piston rod fixed connection of first layer board 804 and first cylinder 803, first layer board 804 is located the top of first locating support 801, first locating pin 802 is vertical setting on first layer board 804, first locating pin 802 is the cylindric lock, the axis of first locating pin 802 is located the vertical plane, the ascending one end of the length direction of first longeron has lets first locating pin 802 male locating hole and this locating hole be the round hole. The first cylinder 803 is used for controlling the first supporting plate 804 to move in the vertical direction, so as to realize the lifting of the first positioning pin 802, enable the first positioning pin 802 to be inserted into the positioning hole on the first longitudinal beam, and pull out the first positioning pin 802 from the positioning hole of the first longitudinal beam.

As shown in fig. 1 to 3 and 11, the second positioning device 900 is located between the third clamping device 300 and the fourth clamping device 400, and the second positioning device 900 includes a second positioning bracket 901 vertically disposed on the base 1200, a second air cylinder 903 disposed on the second positioning bracket 901, a second supporting plate 904 disposed on the second air cylinder 903, and a second positioning pin 902 disposed on the second supporting plate 904. Second cylinder 903 and second locating support 901 fixed connection, second cylinder 903 is vertical setting, second layer board 904 and second cylinder 903's piston rod fixed connection, second layer board 904 is located the top of second locating support 901, second locating pin 902 is vertical setting on second layer board 904, second locating pin 902 is the cylindric lock, the axis of second locating pin 902 is located the vertical face, the ascending other end of the length direction of first longeron has and lets second locating pin 902 male locating hole and this locating hole be the round hole. The second air cylinder 903 is used for controlling the second supporting plate 904 to move in the vertical direction, so that the second positioning pin 902 can be lifted, the second positioning pin 902 can be inserted into the positioning hole in the first longitudinal beam, and the second positioning pin 902 can be pulled out of the positioning hole in the first longitudinal beam.

As shown in fig. 1 to 3 and 8, the third positioning device 1000 includes a third air cylinder 1003 vertically disposed on the fifth clamping bracket 501, a third supporting plate 1004 disposed on the third air cylinder 1003, and a third positioning pin 1002 disposed on the third supporting plate 1004. The third cylinder 1003 and the fifth clamping support 501 are fixedly connected, the third cylinder 1003 is vertically arranged, the third supporting plate 1004 is fixedly connected with a piston rod of the third cylinder 1003, the third supporting plate 1004 is located above the third positioning support 1001, the third positioning pin 1002 is vertically arranged on the third supporting plate 1004, the third positioning pin 1002 is a cylindrical pin, an axis of the third positioning pin 1002 is located in a vertical plane, one end of the second longitudinal beam in the length direction is provided with a positioning hole for the third positioning pin 1002 to insert, and the positioning hole is a round hole. The third air cylinder 1003 is used for controlling the third supporting plate 1004 to move in the vertical direction, so as to realize the lifting of the third positioning pin 1002, enable the third positioning pin 1002 to be inserted into the positioning hole in the second longitudinal beam, and pull out the third positioning pin 1002 from the positioning hole in the second longitudinal beam.

As shown in fig. 1 to 3 and 11, the fourth positioning device 1100 is located between the sixth clamping device 600 and the seventh clamping device 700, and the fourth positioning device 1100 includes a fourth positioning bracket 1101 vertically disposed on the base 1200, a fourth air cylinder 1103 disposed on the fourth positioning bracket 1101, a fourth supporting plate 1104 disposed on the fourth air cylinder 1103, and a fourth positioning pin 1102 disposed on the fourth supporting plate 1104. The fourth air cylinder 1103 is fixedly connected with the fourth positioning support 1101, the fourth air cylinder 1103 is vertically arranged, the fourth supporting plate 1104 is fixedly connected with a piston rod of the fourth air cylinder 1103, the fourth supporting plate 1104 is located above the fourth positioning support 1101, the fourth positioning pin 1102 is vertically arranged on the fourth supporting plate 1104, the fourth positioning pin 1102 is a cylindrical pin, an axis of the fourth positioning pin 1102 is located in a vertical plane, and the other end of the second longitudinal beam in the length direction is provided with a positioning hole for inserting the fourth positioning pin 1102 and the positioning hole is a round hole. The fourth air cylinder 1103 is configured to control the fourth supporting plate 1104 to move in the vertical direction, so as to lift the fourth positioning pin 1102, insert the fourth positioning pin 1102 into the positioning hole of the second longitudinal beam, and withdraw the fourth positioning pin 1102 from the positioning hole of the second longitudinal beam.

The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims (10)

1. Automobile floor assembly welding system, including welding jig, welding jig includes the base and sets up the truckle on the base, its characterized in that: the automobile floor assembly welding system is still including being used for making welding jig is positioned in the anchor clamps positioner of welding station, anchor clamps positioner include the lower bracket, set up on the lower bracket and with the universal ball bulleye bearing that the bottom surface of base contacted and the rotatable leading wheel that sets up on the lower bracket, the leading wheel sets up a plurality ofly and all leading wheels are two rows and arrange, and the base has two slip planes of leading that are used for contacting with two rows of leading wheels, and two slip planes of leading are located between two rows of leading wheels.

2. The automotive floor assembly welding system of claim 1, wherein: the fixture positioning device further comprises a lower limiting block arranged on the lower bracket and used for limiting the welding fixture, the welding fixture further comprises an upper limiting block arranged on the base and used for contacting with the lower limiting block and a locking pin arranged on the base, and the lower bracket is provided with a locking hole for allowing the locking pin to be inserted.

3. The automotive floor assembly welding system according to claim 1 or 2, characterized in that: the welding fixture comprises a first clamping device for clamping an upper cover plate at a first preset position, a second clamping device for clamping a first longitudinal beam and the upper cover plate at a second preset position, a third clamping device for clamping the first longitudinal beam and the upper cover plate at a third preset position, a fourth clamping device for clamping the first longitudinal beam and the upper cover plate at a fourth preset position, a fifth clamping device for clamping the second longitudinal beam and the upper cover plate at a fifth preset position, a sixth clamping device for clamping the second longitudinal beam and the upper cover plate at a sixth preset position, a seventh clamping device for clamping the second longitudinal beam and the upper cover plate at a seventh preset position, a first positioning device and a second positioning device for positioning the first longitudinal beam, a third positioning device and a fourth positioning device for positioning the second longitudinal beam, a first clamping device, a second clamping device, a third clamping device and a fourth clamping device for clamping the first longitudinal beam and the upper cover plate at a second preset position, a third clamping device and a fourth clamping device for clamping the second longitudinal beam at a third clamping device and a fourth clamping device, The second clamping device, the third clamping device, the fourth clamping device, the fifth clamping device, the sixth clamping device and the seventh clamping device are respectively positioned on a straight line parallel to the first direction, and the first positioning device, the third positioning device, the second positioning device and the fourth positioning device are all positioned on a straight line parallel to the second direction.

4. The automotive floor assembly welding system of claim 3, wherein: the first clamping device comprises a first clamping support, a first clamping arm rotatably arranged on the first clamping support, a first upper clamping block arranged on the first clamping arm, and a first lower clamping block arranged on the first clamping support and matched with the first upper clamping block to clamp the upper cover plate, and the rotating center line of the first clamping arm is parallel to the first direction.

5. The automotive floor assembly welding system of claim 3, wherein: the second clamping device comprises a second clamping support, an auxiliary support, a second clamping arm rotatably arranged on the second clamping support, a second upper clamping block arranged on the second clamping arm, a second lower clamping block arranged on the second clamping support and matched with the second upper clamping block to clamp the upper cover plate and the first longitudinal beam, and an auxiliary lower clamping block arranged on the auxiliary support and matched with the second upper clamping block to clamp the upper cover plate and the first longitudinal beam, wherein the rotation center line of the second clamping arm is parallel to the first direction, and the second clamping support and the auxiliary support are positioned on the same straight line parallel to the second direction.

6. The automotive floor assembly welding system of claim 3, wherein: the third clamping device comprises a third clamping support, a third clamping arm rotatably arranged on the third clamping support, a third upper clamping block arranged on the third clamping arm, and a third lower clamping block arranged on the third clamping support and matched with the third upper clamping block to clamp the upper cover plate and the first longitudinal beam, and the rotating center line of the third clamping arm is parallel to the first direction.

7. The automotive floor assembly welding system of claim 3, wherein: the fourth clamping device comprises a fourth clamping support, a fourth clamping arm rotatably arranged on the fourth clamping support, a fourth upper clamping block arranged on the fourth clamping arm, and a fourth lower clamping block arranged on the fourth clamping support and matched with the fourth upper clamping block to clamp the upper cover plate and the first longitudinal beam, and the rotating center line of the fourth clamping arm is parallel to the first direction.

8. The automotive floor assembly welding system of claim 3, wherein: the fifth clamping device comprises a fifth clamping support, a fifth clamping arm rotatably arranged on the fifth clamping support, a fifth upper clamping block arranged on the fifth clamping arm, and a fifth lower clamping block arranged on the fifth clamping support and matched with the fifth upper clamping block to clamp the upper cover plate and the second longitudinal beam, and the rotating center line of the fifth clamping arm is parallel to the first direction.

9. The automotive floor assembly welding system of claim 3, wherein: the sixth clamping device comprises a sixth clamping support, a sixth clamping arm rotatably arranged on the sixth clamping support, a sixth upper clamping block arranged on the sixth clamping arm, and a sixth lower clamping block arranged on the sixth clamping support and matched with the sixth upper clamping block to clamp the upper cover plate and the second longitudinal beam, and the rotating center line of the sixth clamping arm is parallel to the first direction.

10. The automotive floor assembly welding system of claim 3, wherein: the seventh clamping device comprises a seventh clamping support, a seventh clamping arm rotatably arranged on the seventh clamping support, a seventh upper clamping block arranged on the seventh clamping arm, and a seventh lower clamping block arranged on the seventh clamping support and matched with the seventh upper clamping block to clamp the upper cover plate and the second longitudinal beam, and the rotating center line of the seventh clamping arm is parallel to the first direction.

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