CN116275781A - Method for manufacturing automobile wheel housing body - Google Patents

Abstract

The invention discloses a manufacturing method of an automobile wheel cover body, which comprises the following steps: s1, positioning, clamping and fixing of a wheel cover shell and a wheel cover top plate are completed, and the wheel cover top plate is in a vertical state; s2, welding the outer shell of the wheel cover and the top plate of the wheel cover together; in step S1, the first clamping device, the second clamping device and the fourth clamping device are matched to clamp the wheel cover outer shell, the positioning device arranged on the second clamping device is used for positioning the wheel cover outer shell, the second clamping device, the fifth clamping device and the third clamping device are matched to clamp the wheel cover top plate, the first clamping device and the fourth clamping device are arranged oppositely, and the second clamping device and the fourth clamping device are arranged oppositely. According to the manufacturing method of the automobile wheel cover body, through the cooperation of the clamping devices and the positioning devices, all the parts of the automobile wheel cover body are clamped together, so that the positioning accuracy of all the parts is ensured, and the product quality of the welded automobile wheel cover body is improved.

Description

Method for manufacturing automobile wheel housing body

Technical Field

The invention belongs to the technical field of automobile part production processes, and particularly relates to a manufacturing method of an automobile wheel cover body.

Background

The automobile wheel cover body mainly comprises a wheel cover outer shell and a wheel cover top plate connected with the wheel cover outer shell, wherein the wheel cover top plate is positioned at one end of the wheel cover outer shell. The wheel casing top plate is welded with the wheel casing outer shell, and all parts forming the automobile wheel casing body are clamped by a welding clamp during welding. The existing welding fixture is complex in structure, inconvenient to operate, incapable of realizing accurate positioning of all parts forming the automobile wheel housing body, and low in production efficiency, and the quality of welded products is affected.

Disclosure of Invention

The invention provides a manufacturing method of an automobile wheel cover body, and aims to improve the quality of the automobile wheel cover body.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the manufacturing method of the automobile wheel cover body comprises the following steps:

s1, positioning, clamping and fixing of a wheel cover shell and a wheel cover top plate are completed, and the wheel cover top plate is in a vertical state;

s2, welding the outer shell of the wheel cover and the top plate of the wheel cover together;

in step S1, the first clamping device, the second clamping device and the fourth clamping device are matched to clamp the wheel cover outer shell, the positioning device arranged on the second clamping device is used for positioning the wheel cover outer shell, the second clamping device, the fifth clamping device and the third clamping device are matched to clamp the wheel cover top plate, the first clamping device and the fourth clamping device are arranged oppositely, and the second clamping device and the fourth clamping device are arranged oppositely.

The first clamping device comprises a first clamping support, a first clamping arm, a first driver, a first upper clamping block, a first inner clamping block, a first lower clamping block and a first outer clamping block, wherein the first driver is arranged on the first clamping support and used for controlling the first clamping arm to rotate, the first upper clamping block and the first inner clamping block are arranged on the first clamping arm, the first lower clamping block is arranged on the first clamping support and matched with the first upper clamping block to clamp the outer shell of the wheel cover, the first outer clamping block is arranged on the first clamping support and matched with the first inner clamping block to clamp the first outer shell of the wheel cover, and the first outer clamping block is located below the first lower clamping block.

The second clamping device comprises a second clamping support, an auxiliary support, a second clamping arm, a second driver, a second upper clamping block and a second lower clamping block, wherein the second driver is arranged on the second clamping support and used for controlling the second clamping arm to rotate, the second upper clamping block is arranged on the second clamping arm, the second lower clamping block is arranged on the auxiliary support and used for being matched with the second upper clamping block to clamp the outer shell of the wheel cover, and the second upper clamping blocks are arranged in a plurality of and each second upper clamping block is distributed at different positions.

The positioning device comprises a first positioning support and a second positioning support arranged on the auxiliary support, a first positioning pin arranged on the first positioning support and a second positioning pin arranged on the second positioning support, wherein the first positioning pin and the second positioning pin are vertically arranged.

The third clamping device comprises a third clamping support, a sliding seat, a third clamping arm arranged on the sliding seat, a third upper clamping block arranged on the third clamping arm and used for being in contact with the wheel cover top plate, a third main driver arranged on the third clamping support and used for controlling the sliding seat to linearly move, and a third lower clamping block arranged on the sliding seat, and the second clamping device comprises an auxiliary upper clamping block arranged on the second clamping arm and used for being matched with the third lower clamping block to clamp the wheel cover top plate.

The third clamping device further comprises a main locating pin and an auxiliary locating pin, wherein the main locating pin and the auxiliary locating pin are used for locating the top plate of the wheel cover, one main locating pin is arranged, a plurality of auxiliary locating pins are arranged, and the auxiliary locating pins are arranged on the sliding seat.

The third clamping device further comprises a third outer clamping block, a third auxiliary driver, a fixed seat, a guide pin, a connecting shaft and a third inner clamping block, wherein the third outer clamping block is arranged on the sliding seat, the third auxiliary driver and the fixed seat are arranged on the fixed seat, the connecting shaft is connected with the third auxiliary driver, the third inner clamping block is rotationally connected with the connecting shaft and matched with the third outer clamping block to clamp a wheel cover top plate, the main positioning pin is arranged on the fixed seat, the third inner clamping block penetrates through the main positioning pin, and the third inner clamping block is provided with a sliding groove for the guide pin to penetrate through.

The fourth clamping device comprises a fourth clamping support, a fourth clamping arm, a fourth driver, a fourth upper clamping block, a fourth inner clamping block, a fourth lower clamping block and a fourth outer clamping block, wherein the fourth driver is arranged on the fourth clamping support and used for controlling the fourth clamping arm to rotate, the fourth upper clamping block and the fourth inner clamping block are arranged on the fourth clamping arm, the fourth lower clamping block is arranged on the fourth clamping support and matched with the fourth upper clamping block to clamp the outer shell of the wheel cover, and the fourth outer clamping block is arranged on the fourth clamping support and matched with the fourth inner clamping block to clamp the outer shell of the wheel cover, and is located below the fourth lower clamping block.

The fifth clamping device comprises a fifth clamping bracket, a fifth clamping arm, a fifth driver, a fifth inner clamping block and a fifth outer clamping block, wherein the fifth driver is arranged on the fifth clamping bracket and used for controlling the fifth clamping arm to rotate, the fifth inner clamping block is arranged on the fifth clamping arm, and the fifth outer clamping block is arranged on the fifth clamping bracket and matched with the fifth inner clamping block to clamp a wheel cover top plate.

The fifth clamping bracket is arranged on the sliding seat, and the fifth outer clamping block is positioned above the fixed seat.

According to the manufacturing method of the automobile wheel cover body, through the cooperation of the clamping devices and the positioning devices, all parts of the automobile wheel cover body are clamped together, so that the positioning accuracy of all the parts is ensured, the clamping efficiency is improved, and the product quality of the welded automobile wheel cover body is improved; and the degree of automation is high, helps improving product production efficiency.

Drawings

The present specification includes the following drawings, the contents of which are respectively:

FIG. 1 is a flow chart of a method of manufacturing an automotive wheel house body of the present invention;

FIG. 2 is a schematic structural view of a welding tool;

FIG. 3 is a schematic view of a state of use of a welding tool;

FIG. 4 is a schematic structural view of a wheel housing body of an automobile;

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

FIG. 6 is a schematic view of a second clamping device and positioning device;

FIG. 7 is a schematic view of a third clamping device;

FIG. 8 is a schematic structural view of a third clamping device and a fifth clamping device;

FIG. 9 is a schematic illustration of the connection of a third secondary driver to a third inner clamp block;

FIG. 10 is a schematic structural view of a fifth clamping device;

marked in the figure as: 100. a first clamping device; 101. a first clamping bracket; 102. a first clamping arm; 103. a first driver; 104. a first upper clamp block; 105. a first lower clamp block; 106. a first inner clamp block; 107. a first outer clamp block; 200. a second clamping device; 201. a second clamping bracket; 202. an auxiliary bracket; 203. a second clamping arm; 204. a second driver; 205. a second upper clamping block; 206. a second lower clamp block; 207. auxiliary upper clamping blocks; 300. a third clamping device; 301. a third clamping bracket; 302. a slide; 303. a third clamping arm; 304. a third main driver; 305. a third lower clamp block; 306. a third upper clamp block; 307. a main locating pin; 308. a secondary locating pin; 309. a third sub-driver; 310. a guide pin; 311. a fixing seat; 312. a third inner clamp block; 313. a third outer clamp block; 314. a connecting shaft; 400. a fourth clamping device; 401. a fourth clamping bracket; 402. a fourth clamping arm; 403. a fourth driver; 404. a fourth upper clamping block; 405. a fourth lower clamp block; 406. a fourth inner clamp block; 407. a fourth outer clamp block; 500. a fifth clamping device; 501. a fifth clamping bracket; 502. a fifth clamping arm; 503. a fifth driver; 504. a fifth inner clamp block; 505. a fifth outer clamp block; 506. a fifth upper clamp block; 507. a fifth lower clamp block; 600. a base; 700. casters; 800. a wheel cover outer housing; 900. a wheel cover top plate; 1000. a first positioning bracket; 1100. a second positioning bracket; 1200. a first positioning pin; 1300. and a second positioning pin.

Detailed Description

The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.

As shown in fig. 1 to 10, the present invention provides a method for manufacturing a wheel housing body of an automobile, comprising the steps of:

s1, positioning, clamping and fixing of the wheel cover outer shell 800 and the wheel cover top plate 900 are completed, and the wheel cover top plate 900 is in a vertical state;

s2, welding the wheel cover outer shell 800 and the wheel cover top plate 900 together.

Specifically, as shown in fig. 2 to 4, in the above step S1, the wheel house housing 800 is clamped by the first clamping device 100, the second clamping device 200, and the fourth clamping device 400 in cooperation, the wheel house housing 800 is positioned by the positioning device provided on the second clamping device 200, the wheel house top plate 900 is clamped by the second clamping device 200 and the fifth clamping device 500 in cooperation with the third clamping device 300, the first clamping device 100 and the fourth clamping device 400 are arranged in opposition, and the second clamping device 200 and the fourth clamping device 400 are arranged in opposition. The automobile wheel cover body mainly comprises a wheel cover outer shell 800 and a wheel cover top plate 900 connected with the wheel cover outer shell 800, wherein the wheel cover top plate 900 is welded with the wheel cover outer shell 800, the wheel cover outer shell 800 is of a U-shaped structure, the wheel cover top plate 900 is positioned at one end of the wheel cover outer shell 800 in the length direction, and the wheel cover top plate 900 is used for closing an opening of the end of the wheel cover outer shell 800.

As shown in fig. 2 and 3, the first clamping device 100, the second clamping device 200, the third clamping device 300 and the fourth clamping device 400 are disposed on the base 600, the base 600 is disposed horizontally, the base 600 has a certain width and length, the length direction of the base 600 is parallel to the first direction, the width direction of the base 600 is parallel to the second direction, the first direction and the second direction are both horizontal directions and the first direction and the second direction are perpendicular, the first clamping device 100 and the fourth clamping device 400 are disposed on the same line parallel to the first direction, the second clamping device 200 and the third clamping device 300 are disposed on the same line parallel to the second direction, and the fifth clamping device 500 is disposed on the third clamping device 300. The bottom of base 600 sets up truckle 700, and truckle 700 sets up a plurality ofly, makes things convenient for the welding frock whole to remove.

As shown in fig. 2 to 5, the first clamping device 100 includes a first clamping bracket 101, a first clamping arm 102, a first driver 103 disposed on the first clamping bracket 101 for controlling the first clamping arm 102 to rotate up and down, a first upper clamping block 104 and a first inner clamping block 106 disposed on the first clamping arm 102, a first lower clamping block 105 disposed on the first clamping bracket 101 and cooperating with the first upper clamping block 104 to clamp the wheel housing case 800, and a first outer clamping block 107 disposed on the first clamping bracket 101 and cooperating with the first inner clamping block 106 to clamp the wheel housing case 800, the first outer clamping block 107 being located under the first lower clamping block 105, a rotation center line of the first clamping arm 102 being parallel to the first direction. The first clamping bracket 101 is vertically arranged on the base 600, and the lower end of the first clamping bracket 101 is fixedly connected with the base 600. The first driver 103 is vertically arranged on the first clamping bracket 101, the first driver 103 is used for controlling the first clamping arm 102 to rotate up and down, the first driver 103 is an air cylinder, the first upper clamping block 104 and the first inner clamping block 106 are fixedly arranged on the first clamping arm 102, and the first upper clamping block 104 is used for being in contact with the flanging of the wheel cover outer shell 800. The first lower clamp block 105 is fixedly provided on the first clamping bracket 101, and the first lower clamp block 105 is used for contacting with the flange of the wheel casing housing 800. The first inner clamping block 106 contacts with the inner wall surface of the wheel cover outer shell 800, the first outer clamping block 107 contacts with the outer wall surface of the wheel cover outer shell 800, the first inner clamping block 106 is matched with the first outer clamping block 107 to clamp the same side wall of the wheel cover outer shell 800, and the flanging is fixedly connected with the upper end of the side wall. In the above step S1, in the clamped state, the wheel housing 800 is in the water state, the longitudinal direction of the wheel housing 800 is parallel to the second direction, the first upper clamp block 104 is located above the flange of the wheel housing 800 and is used to apply downward pressure to the flange plate of the wheel housing 800, the first lower clamp block 105 is located below the flange of the wheel housing 800 and the first lower clamp block 105 is in contact with the bottom surface of the flange of the wheel housing 800, so that the first upper clamp block 104 and the first lower clamp block 105 cooperate to clamp the flange of the wheel housing 800, and at the same time, the first inner clamp block 106 is in contact with the inner wall surface of the wheel housing 800, the first outer clamp block 107 is in contact with the outer wall surface of the wheel housing 800 to clamp the same side wall of the wheel housing 800, and the first outer clamp block 107 and the first inner clamp block 106 are in the same straight line parallel to the first direction.

As shown in fig. 2 to 4 and 6, the second clamping device 200 includes a second clamping bracket 201, an auxiliary bracket 202, a second clamping arm 203, a second driver 204 disposed on the second clamping bracket 201 for controlling the second clamping arm 203 to rotate, a second upper clamping block 205 disposed on the second clamping arm 203, and a second lower clamping block 206 disposed on the auxiliary bracket 202 for cooperating with the second upper clamping block 205 to clamp the wheel housing 800, the second upper clamping block 205 being disposed in plurality and each of the second upper clamping blocks 205 being distributed at different positions, and a rotation center line of the second clamping arm 203 being parallel to the first direction. The second clamping bracket 201 is vertically arranged on the base 600, and the lower end of the second clamping bracket 201 is fixedly connected with the base 600. The second driver 204 is vertically arranged on the second clamping bracket 201, the second driver 204 is used for controlling the second clamping arm 203 to rotate up and down, the second driver 204 is an air cylinder, the second upper clamping block 205 is fixedly arranged on the second clamping arm 203, and the second upper clamping block 205 is used for being in contact with the wheel cover outer shell 800. The auxiliary support 202 is vertically arranged on the base 600, and the lower end of the auxiliary support 202 is fixedly connected with the base 600. The third clamping device 300, the auxiliary bracket 202 and the second clamping bracket 201 are positioned on the same straight line parallel to the second direction, the second clamping bracket 201, the auxiliary bracket 202 and the third clamping device 300 are positioned on the same straight line parallel to the second direction, the auxiliary bracket 202 is positioned between the second clamping bracket 201 and the third clamping device 300, the second lower clamping blocks 206 are fixedly arranged on the auxiliary bracket 202, the number of the second lower clamping blocks 206 is the same as that of the second upper clamping blocks 205, and each second upper clamping block 205 is matched with one second lower clamping block 206. In the above step S1, in the clamped state, the wheel housing case 800 is in the water state, the length direction of the wheel housing case 800 is parallel to the second direction, the second upper clamp block 205 is located above the wheel housing case 800 and is used to apply downward pressure to the wheel housing case 800, the second lower clamp block 206 is located below the wheel housing case 800 and the second lower clamp block 206 is in contact with the bottom surface of the wheel housing case 800, so that the second upper clamp block 205 cooperates with the second lower clamp block 206 to clamp the wheel housing case 800.

As shown in fig. 2 to 4 and 6, in the present embodiment, three second upper clamping blocks 205 and three second lower clamping blocks 206 are provided, in the above step S1, in the clamped state, two second upper clamping blocks 205 are located at one end of the wheel cover outer case 800 in the length direction, the wheel cover top plate 900 is located at the other end of the wheel cover outer case 800 in the length direction, and the other second upper clamping block 205 is located at a position between two ends of the wheel cover outer case 800 in the length direction, and the three second upper clamping blocks 205 are arranged in a triangle shape, so that the wheel cover outer case 800 is ensured to be uniformly stressed and firmly fixed.

As shown in fig. 2 to 4 and 6, the positioning device includes a first positioning bracket 1000 and a second positioning bracket 1100 disposed on the auxiliary bracket 202, a first positioning pin 1200 disposed on the first positioning bracket 1000, and a second positioning pin 1300 disposed on the second positioning bracket 1100, the first positioning pin 1200 and the second positioning pin 1300 being disposed vertically. The first positioning bracket 1000 and the second positioning bracket 1100 are vertically arranged, the first positioning bracket 1000 and the second positioning bracket 1100 are fixedly connected with the auxiliary bracket 202, the first positioning pin 1200 is fixedly arranged on the first positioning bracket 1000, the second positioning pin 1300 is fixedly arranged on the second positioning bracket 1100, the first positioning pin 1200 and the second positioning pin 1300 are cylindrical, the first positioning pin 1200 and the second positioning pin 1300 are positioned on the same straight line parallel to the second direction, and the wheel cover outer shell 800 is provided with two positioning holes for the first positioning pin 1200 and the second positioning pin 1300 to be respectively inserted. In the above step S1, the accurate positioning of the wheel casing 800 is achieved by inserting the first positioning pin 1200 and the second positioning pin 1300 into the positioning holes on the wheel casing 800. The positioning device is integrated on the second clamping device 200, so that the structure is compact, and the space occupied by the welding fixture can be reduced.

As shown in fig. 2 to 4 and fig. 7 to 9, the third clamping device 300 includes a third clamping bracket 301, a sliding seat 302, a third clamping arm 303 disposed on the sliding seat 302, a third upper clamping block 306 disposed on the third clamping arm 303 and used for contacting with the wheel cover top plate 900, a third main driver 304 disposed on the third clamping bracket 301 and used for controlling the sliding seat 302 to move linearly, and a third lower clamping block 305 disposed on the sliding seat 302, the second clamping device 200 includes an auxiliary upper clamping block 207 disposed on the second clamping arm 203 and used for cooperating with the third lower clamping block 305 to clamp the wheel cover top plate 900, the auxiliary upper clamping block 207 is fixedly connected with the second clamping arm 203, the auxiliary upper clamping block 207 is located at one end of the second clamping arm 203 in the length direction, and the other end of the second clamping arm 203 in the length direction is connected with the second driver 204. The third clamping bracket 301 is vertically arranged on the base 600, and the lower end of the third clamping bracket 301 is fixedly connected with the base 600. The sliding seat 302 is movably arranged, the moving direction of the sliding seat 302 is parallel to the second direction, the sliding seat 302 is connected with a third main driver 304, the third main driver 304 is arranged on the third clamping bracket 301, and the third main driver 304 is an air cylinder. The third clamping arm 303 is vertically arranged on the sliding seat 302, the third clamping arm 303 is fixedly connected with the sliding seat 302, the third upper clamping block 306 is fixedly arranged on the third clamping arm 303, and the third upper clamping block 306 is used for being in contact with the outer wall surface of the wheel cover bottom plate. The third clamping arms 303 are arranged one by one, and the two third clamping arms 303 are on the same straight line parallel to the first direction. The third lower clamping block 305 is fixedly connected with the sliding seat 302, the height of the third lower clamping block 305 is smaller than that of the third upper clamping block 306, and the third lower clamping block 305 is also used for being in contact with the outer wall surface of the wheel cover bottom plate. In the above step S1, in the clamped state, the wheel housing outer case 800 is in the horizontal state, the wheel housing top plate 900 is in the vertical state, the third upper clamp block 306 and the third lower clamp block 305 are in contact with the outer wall surface of the wheel housing top plate 900, the auxiliary upper clamp block 207 is in contact with the inner wall surface of the wheel housing top plate 900, the auxiliary upper clamp block 207 and the third lower clamp block 305 are on the same straight line parallel to the second direction, the auxiliary upper clamp block 207 and the third lower clamp block 305 are engaged, and the lower end of the wheel housing top plate 900 is clamped, the auxiliary upper clamp block 207 is located at the intermediate position in the width direction of the wheel housing top plate 900.

As shown in fig. 2 to 4 and 7, the third clamping device 300 further includes a main positioning pin 307 and a sub positioning pin 308 provided to position the wheel cover top plate 900, the main positioning pin 307 is provided in one, the sub positioning pin 308 is provided in plurality, and the sub positioning pin 308 is provided on the slide base 302. The axes of the main positioning pin 307 and the auxiliary positioning pin 308 are parallel to the second direction, the auxiliary positioning pin 308 is fixedly connected with the sliding seat 302, the diameter of the main positioning pin 307 is larger than that of the auxiliary positioning pin 308, a main positioning hole for inserting the main positioning pin 307 is formed in the center of the wheel cover top plate 900, and auxiliary positioning holes for inserting the auxiliary positioning pin 308 are formed in the rest of the wheel cover top plate 900. The main positioning pin 307 and the auxiliary positioning pin 308 are matched, so that accurate positioning of the wheel cover top plate 900 can be realized. In step S1, the main positioning pin 307 and the sub positioning pin 308 are engaged with each other. In the positioning process, the main positioning pin 307 and the auxiliary positioning pin 308 move synchronously, and the main positioning pin 307 and the auxiliary positioning pin 308 are respectively inserted into the main positioning hole and the auxiliary positioning hole of the wheel cover top plate 900, so that accurate positioning of the wheel cover top plate 900 can be realized.

In the present embodiment, as shown in fig. 2 to 4 and 7, two sub-positioning pins 308 are provided in total, and the main positioning pin 307 is located at an intermediate position of the two sub-positioning pins 308.

As shown in fig. 2 to 4 and fig. 7 to 9, the third clamping device 300 further includes a third outer clamping block 313 disposed on the slide 302, a third auxiliary driver 309 and a fixing base 311, a guide pin 310 disposed on the fixing base 311, a connecting shaft 314 connected with the third auxiliary driver 309, and a third inner clamping block 312 rotatably connected with the connecting shaft 314 and cooperating with the third outer clamping block 313 to clamp the wheel cover top plate 900, wherein the main positioning pin 307 is disposed on the fixing base 311, the third inner clamping block 312 passes through the main positioning pin 307, and the third inner clamping block 312 has a chute for passing through the guide pin 310. The third outer clamping block 313 is fixedly arranged on the sliding seat 302, the third outer clamping block 313 is positioned below the auxiliary positioning pin 308, and the height of the third outer clamping block 313 is smaller than that of the third upper clamping block 306 and larger than that of the third lower clamping block 305. The fixing seat 311 is fixedly arranged on the top surface of the sliding seat 302, the third auxiliary driver 309 is an air cylinder, the cylinder body of the third auxiliary driver 309 is fixedly arranged on the top surface of the sliding seat 302, the cylinder body of the third auxiliary driver 309 and the fixing seat 311 are positioned on the same straight line parallel to the second direction, one end of the connecting shaft 314 is fixedly connected with a piston rod of the third auxiliary driver 309, the other end of the connecting shaft 314 is rotationally connected with one end of the first inner clamping block 106 in the length direction through a pin shaft, the other end of the first inner clamping block 106 in the length direction is a clamping end for contacting with the inner wall surface of the wheel cover top plate 900, the clamping end of the first inner clamping block 106 is of an L-shaped structure, and the rotation center line of the first inner clamping block 106 is a vertical line. The main locating pin 307 is fixedly connected with one end of the fixing seat 311, the main locating pin 307 is located above the third lower clamping block 305, two first inner clamping blocks 106 are arranged, the main locating pin 307 is provided with avoidance holes for the two first inner clamping blocks 106 to pass through, the avoidance holes are through holes which are arranged along the axial direction of the main locating pin 307 in a penetrating mode, and the clamping ends of the first inner clamping blocks 106 extend towards the outer side of the main locating pin 307 after passing through the avoidance holes of the main locating pin 307. The fixing seat 311 is of a hollow structure, the connecting shaft 314 is located in the inner cavity of the fixing seat 311, the guide pin 310 is vertically arranged, the axis of the guide pin 310 is parallel to the axis of the pin shaft, the guide pin 310 is inserted into the inner cavity of the fixing seat 311, and one end of the first inner clamping block 106 is located in the inner cavity of the fixing seat 311. The guide pins 310 are simultaneously inserted into the sliding grooves formed in the two third inner clamping blocks 312, the sliding grooves are arc-shaped grooves, the axes of the sliding grooves are parallel to the axes of the guide pins 310, and the axes of the sliding grooves formed in the two third inner clamping blocks 312 are parallel. When the third auxiliary driver 309 stretches and contracts, the connecting shaft 314 drives the two third inner clamping blocks 312 to rotate, and meanwhile, the guide pins 310 slide along the sliding grooves on the third inner clamping blocks 312, so that the included angle between the two third inner clamping blocks 312 is increased or decreased. In the above step S1, after the main positioning pin 307 is inserted into the main positioning hole on the wheel cover top plate 900, the third outer clamping block 313 contacts with the outer wall surface of the wheel cover top plate 900, the third auxiliary driver 309 starts to extend, so that the included angle between the two third inner clamping blocks 312 gradually increases, and finally the clamping ends of the two third inner clamping blocks 312 contact with the inner wall surface of the wheel cover top plate 900, the clamping ends of the two third inner clamping blocks 312 are respectively located at opposite sides of the main positioning pin 307, and the two third inner clamping blocks 312 respectively cooperate with the two third outer clamping blocks 313 to clamp the wheel cover top plate 900.

The third clamping device 300 with the structure is compact in structure, small in occupied space and convenient to arrange, can accurately position and clamp and fix the wheel cover top plate 900, ensures firm clamping of the wheel cover top plate 900, ensures that the clamping blocks are arranged at multiple points, ensures that the wheel cover top plate 900 is uniformly stressed, and reduces deformation.

As shown in fig. 2 to 4 and 10, the fourth clamping device 400 includes a fourth clamping bracket 401, a fourth clamping arm 402, a fourth driver 403 disposed on the fourth clamping bracket 401 for controlling the fourth clamping arm 402 to rotate, a fourth upper clamping block 404 and a fourth inner clamping block 406 disposed on the fourth clamping arm 402, a fourth lower clamping block 405 disposed on the fourth clamping bracket 401 and cooperating with the fourth upper clamping block 404 to clamp the wheel housing outer case 800, and a fourth outer clamping block 407 disposed on the fourth clamping bracket 401 and cooperating with the fourth inner clamping block 406 to clamp the wheel housing outer case 800, the fourth outer clamping block 407 being located below the fourth lower clamping block 405. The fourth clamping device 400 includes a fourth clamping bracket 401, a fourth clamping arm 402, a fourth driver 403 disposed on the fourth clamping bracket 401 and used for controlling the fourth clamping arm 402 to rotate up and down, a fourth upper clamping block 404 and a fourth inner clamping block 406 disposed on the fourth clamping arm 402, a fourth lower clamping block 405 disposed on the fourth clamping bracket 401 and matched with the fourth upper clamping block 404 to clamp the wheel housing shell 800, and a fourth outer clamping block 407 disposed on the fourth clamping bracket 401 and matched with the fourth inner clamping block 406 to clamp the wheel housing shell 800, wherein the fourth outer clamping block 407 is disposed below the fourth lower clamping block 405, and the rotation center line of the fourth clamping arm 402 is parallel to the first direction. The fourth clamping bracket 401 is vertically arranged on the base 600, and the lower end of the fourth clamping bracket 401 is fixedly connected with the base 600. The fourth driver 403 is vertically disposed on the fourth clamping bracket 401, the fourth driver 403 is used for controlling the fourth clamping arm 402 to rotate up and down, the fourth driver 403 is an air cylinder, the fourth upper clamping block 404 and the fourth inner clamping block 406 are fixedly disposed on the fourth clamping arm 402, and the fourth upper clamping block 404 is used for contacting with another flange of the wheel cover outer shell 800. A fourth lower clamp block 405 is fixedly provided on the fourth clamp bracket 401, the fourth lower clamp block 405 being adapted to contact another flange of the wheel housing outer shell 800. The fourth inner clamping block 406 contacts with the other inner wall surface of the wheel cover outer shell 800, the fourth outer clamping block 407 contacts with the other outer wall surface of the wheel cover outer shell 800, the fourth inner clamping block 406 is matched with the fourth outer clamping block 407, the same side wall of the wheel cover outer shell 800 is clamped, and the flanging is fixedly connected with the upper end of the side wall. In the above step S1, in the clamped state, the wheel housing case 800 is in the water state, the length direction of the wheel housing case 800 is parallel to the second direction, the fourth upper clamp block 404 is located above the flange of the wheel housing case 800 and is used to apply downward pressure to the flange plate of the wheel housing case 800, the fourth lower clamp block 405 is located below the flange of the wheel housing case 800 and the fourth lower clamp block 405 is in contact with the bottom surface of the flange of the wheel housing case 800, so that the fourth upper clamp block 404 and the fourth lower clamp block 405 cooperate to clamp the flange of the wheel housing case 800, and at the same time, the fourth inner clamp block 406 is in contact with the inner wall surface of the wheel housing case 800, the fourth outer clamp block 407 is in contact with the outer wall surface of the wheel housing case 800 to clamp the same side wall of the wheel housing case 800, and the fourth outer clamp block 407 and the fourth inner clamp block 406 are in the same straight line parallel to the first direction. The side wall of the wheel casing 800 clamped by the first clamping device 100 and the side wall of the wheel casing 800 clamped by the fourth clamping device 400 are two opposite side walls, the two side walls are parallel and in a vertical state, and the wheel casing top plate 900 is positioned between the two side walls and needs to be welded and connected with the two side walls.

As shown in fig. 2 to 4 and 8, the fifth clamping device 500 includes a fifth clamping bracket 501, a fifth clamping arm 502, a fifth driver 503 provided on the fifth clamping bracket 501 for controlling the fifth clamping arm 502 to rotate, a fifth inner clamping block 504 provided on the fifth clamping arm 502, and a fifth outer clamping block 505 provided on the fifth clamping bracket 501 and cooperating with the fifth inner clamping block 504 to clamp the wheel house top plate 900. The fifth clamping bracket 501 is disposed on the slide 302, and the fifth outer clamping block 505 is located above the fixing base 311. The rotation center line of the fifth clamp arm 502 is parallel to the first direction. The fifth clamping bracket 501 is vertically disposed on the slide base 302, and the lower end of the fifth clamping bracket 501 is fixedly connected with the slide base 302. The fifth driver 503 is vertically disposed on the fifth clamping bracket 501, the fifth driver 503 is used for controlling the fifth clamping arm 502 to rotate up and down, the fifth driver 503 is an air cylinder, the fifth inner clamping block 504 is fixedly disposed on the fifth clamping arm 502, and the fifth inner clamping block 504 is used for contacting with the wheel cover top plate 900. A fifth outer clamp block 505 is fixedly disposed on the fifth clamping bracket 501, the fifth outer clamp block 505 being adapted to contact the wheel cover top plate 900. In the above step S1, in the clamped state, the wheel cover top plate 900 is in the vertical state, the width direction of the wheel cover top plate 900 is parallel to the first direction, the wheel cover top plate 900 is inserted into the inner cavity of the wheel cover outer case 800, the fifth inner clamp block 504 extends into the inner cavity of the wheel cover outer case 800, the fifth inner clamp block 504 is in contact with the inner wall surface of the upper end of the wheel cover top plate 900, the fifth inner clamp block 504 is located inside the wheel cover top plate 900, the fifth inner clamp block 504 is located outside the wheel cover top plate 900, the fifth outer clamp block 505 is in contact with the outer wall surface of the upper end of the wheel cover top plate 900, so that the fifth inner clamp block 504 and the fifth outer clamp block 505 cooperate to clamp the upper end of the wheel cover top plate 900, the third outer clamp block 313, the third upper clamp block 306, the third lower clamp block 305 and the fifth outer clamp block 505 are located on the same side of the wheel cover top plate 900, and the auxiliary upper clamp block 207 are located above the fifth inner clamp block 504.

The fifth clamping device 500 is integrated on the third clamping device 300, so that the structure is compact, the space occupied by a welding tool can be reduced, the fifth clamping device 500 and the sliding seat 302 move synchronously, the coordination is good, the positioning and clamping accuracy of the wheel cover top plate 900 and the wheel cover outer shell 800 can be ensured, and the quality of welded products can be improved.

The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.

Claims (10)

1. The manufacturing method of the automobile wheel cover body is characterized by comprising the following steps:

s1, positioning, clamping and fixing of a wheel cover shell and a wheel cover top plate are completed, and the wheel cover top plate is in a vertical state;

s2, welding the outer shell of the wheel cover and the top plate of the wheel cover together;

in step S1, the first clamping device, the second clamping device and the fourth clamping device are matched to clamp the wheel cover outer shell, the positioning device arranged on the second clamping device is used for positioning the wheel cover outer shell, the second clamping device, the fifth clamping device and the third clamping device are matched to clamp the wheel cover top plate, the first clamping device and the fourth clamping device are arranged oppositely, and the second clamping device and the fourth clamping device are arranged oppositely.

2. The method according to claim 1, wherein the first clamping device comprises a first clamping bracket, a first clamping arm, a first driver disposed on the first clamping bracket and used for controlling the first clamping arm to rotate, a first upper clamping block and a first inner clamping block disposed on the first clamping arm, a first lower clamping block disposed on the first clamping bracket and matched with the first upper clamping block to clamp the outer shell of the wheel cover, and a first outer clamping block disposed on the first clamping bracket and matched with the first inner clamping block to clamp the outer shell of the wheel cover, wherein the first outer clamping block is located below the first lower clamping block.

3. The method of manufacturing a wheel housing body for a vehicle according to claim 1, wherein the second clamping means includes a second clamping bracket, an auxiliary bracket, a second clamping arm, a second driver provided on the second clamping bracket for controlling the rotation of the second clamping arm, a second upper clamping block provided on the second clamping arm, and a second lower clamping block provided on the auxiliary bracket for cooperating with the second upper clamping block to clamp the wheel housing body, the second upper clamping block being provided in plurality and each of the second upper clamping blocks being distributed at different positions.

4. The method for manufacturing the automobile wheel cover body according to claim 3, wherein the positioning device comprises a first positioning bracket and a second positioning bracket which are arranged on the auxiliary bracket, a first positioning pin arranged on the first positioning bracket and a second positioning pin arranged on the second positioning bracket, and the first positioning pin and the second positioning pin are vertically arranged.

5. The method of manufacturing a wheel cover body for a vehicle according to claim 3 or 4, wherein the third clamping means includes a third clamping bracket, a slide, a third clamping arm provided on the slide, a third upper clamping block provided on the third clamping arm for contacting with the wheel cover top plate, a third main driver provided on the third clamping bracket for controlling the slide to move linearly, and a third lower clamping block provided on the slide, and the second clamping means includes an auxiliary upper clamping block provided on the second clamping arm for cooperating with the third lower clamping block to clamp the wheel cover top plate.

6. The method of manufacturing a wheel housing body for a vehicle according to claim 5, wherein the third clamping means further comprises a main positioning pin and a sub positioning pin for positioning the wheel housing top plate, the main positioning pin is provided in one, the sub positioning pins are provided in plurality, and the sub positioning pin is provided on the slide.

7. The method of manufacturing a wheel cover body according to claim 6, wherein the third clamping device further comprises a third outer clamping block, a third auxiliary driver, a fixing base, a guide pin, a connecting shaft and a third inner clamping block, wherein the third outer clamping block is arranged on the sliding base, the third auxiliary driver and the fixing base are arranged on the fixing base, the guide pin is arranged on the fixing base, the connecting shaft is connected with the third auxiliary driver, the third inner clamping block is rotatably connected with the connecting shaft and is matched with the third outer clamping block to clamp a wheel cover top plate, the main positioning pin is arranged on the fixing base, the third inner clamping block penetrates through the main positioning pin, and the third inner clamping block is provided with a sliding groove for the guide pin to penetrate through.

8. The method of manufacturing a wheel housing body for a vehicle according to any one of claims 1 to 7, wherein the fourth clamping means includes a fourth clamping bracket, a fourth clamping arm, a fourth driver provided on the fourth clamping bracket for controlling the fourth clamping arm to rotate, a fourth upper clamping block and a fourth inner clamping block provided on the fourth clamping arm, a fourth lower clamping block provided on the fourth clamping bracket and engaged with the fourth upper clamping block to clamp the wheel housing body, and a fourth outer clamping block provided on the fourth clamping bracket and engaged with the fourth inner clamping block to clamp the wheel housing body, the fourth outer clamping block being located below the fourth lower clamping block.

9. The method of manufacturing a wheel housing body for a vehicle according to claim 7, wherein the fifth clamping means comprises a fifth clamping bracket, a fifth clamping arm, a fifth driver provided on the fifth clamping bracket for controlling the fifth clamping arm to rotate, a fifth inner clamping block provided on the fifth clamping arm, and a fifth outer clamping block provided on the fifth clamping bracket and cooperating with the fifth inner clamping block to clamp the wheel housing top plate.

10. The method of claim 9, wherein the fifth clamping bracket is disposed on the slide, and the fifth outer clamp block is disposed above the fixing base.

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