CN108406175B - Automatic welding assembly line machine tool - Google Patents

Abstract

The invention relates to the field of mechanical processing, and provides an automatic welding assembly line machine tool, which includes a main body, a main material feeding mechanism, an auxiliary material feeding manipulator, a main material unloading mechanism, an auxiliary material preparation mechanism and a welding mechanism arranged on the main body. The material feeding mechanism is used to transfer the main material to the welding position, the auxiliary material preparation mechanism is used to transfer the auxiliary material to the preparation position, the auxiliary material feeding manipulator is used to transfer the auxiliary material at the preparation position to the welding position, and the welding mechanism is used to transfer the auxiliary material Welded to the main material, the main material unloading mechanism is used to transfer the main material away from the welding position. The automatic welding assembly line machine tool can realize the automatic welding of the workpiece, improve the operation efficiency, reduce the operation cost, and at the same time improve the operation accuracy, and the overall reliability and stability of the device are high.

Description

Automatic welding assembly line machine tool

technical field

The invention relates to the field of mechanical processing, in particular to an automatic welding assembly line machine tool.

Background technique

In the prior art, the welding device has a low degree of automation and requires manual operation or can only be operated semi-automatically. Or some automatic welding devices have low precision and poor reliability.

Therefore, it is necessary to provide a new automatic welding device for the above problems.

Contents of the invention

The invention provides a novel automatic welding assembly line machine tool, which can realize automatic and precise welding operation.

The invention provides an automatic welding assembly line machine tool for welding main materials and auxiliary materials together, including a main body, a main material feeding mechanism, an auxiliary material feeding manipulator, a main material unloading mechanism, An auxiliary material preparation mechanism and a welding mechanism, the main material feeding mechanism is used to transfer the main material to the welding position, the auxiliary material preparation mechanism is used to transfer the auxiliary material to the preparation position, and the auxiliary material feeding manipulator is used for The auxiliary material in the material preparation position is transferred to the welding position, the welding mechanism is used to weld the auxiliary material to the main material, and the main material unloading mechanism is used to transfer the main material away from the welding position The main material feeding mechanism includes a main material feeding cylinder, a main material preparation rack, and a main material feeding rod, and the main material preparation rack includes two main material preparation side walls and connects the two main material preparation sides The main material bracket of the wall, the main material feeding rod is fixedly connected with the piston rod of the main material feeding cylinder, and is slidably arranged on the main material bracket; the auxiliary material preparation mechanism includes auxiliary material preparation rack, auxiliary material preparation cylinder and auxiliary material preparation rod, the auxiliary material preparation rack includes an auxiliary material preparation frame and an auxiliary material bracket, the auxiliary material bracket includes a support section and a transmission section, the support section has a concave groove, and the auxiliary material preparation rod can Sliding in the concave groove, the piston rod of the auxiliary material cylinder is fixedly connected with the auxiliary material preparation rod; the auxiliary material feeding manipulator includes a horizontal feeding cylinder, a horizontal feeding connector, a vertical feeding cylinder, a vertical feeding connector, vertical feeding cylinder, vertical feeding connector, feeding clamping cylinder and feeding jaw, the horizontal feeding connector is fixedly connected to the piston rod of the horizontal feeding cylinder, and the longitudinal The feeding cylinder is fixedly connected to the horizontal feeding connector. The vertical feeding connecting piece is fixedly connected to the piston rod of the vertical feeding cylinder, the vertical feeding cylinder is fixedly connected to the vertical feeding connecting piece, and the vertical feeding connecting piece is fixedly connected to the On the piston rod of the vertical feeding cylinder, the feeding clamping cylinder is fixedly arranged on the vertical feeding connector, and is used to drive the feeding jaws to clamp the auxiliary material.

Preferably, the main material feeding mechanism also includes a limit mechanism, the limit mechanism and the main material preparation rack are arranged on both sides of the welding position, and the limit mechanism is located at the The extension line of the time movement direction is used to stop the main material during the feeding process of the main material.

Preferably, there are multiple limiting mechanisms, which are used to stop the main material during the feeding process of the main material, so that multiple different parts of the main material are located at the welding positions.

Preferably, there are three limiting mechanisms, the main material includes three welding positions, the first limiting mechanism is used to make the first welding position of the main material be located at the welding position; the second limiting mechanism The second welding position of the main material is located at the welding position; the third limiting mechanism is used to position the third welding position of the main material at the welding position.

Preferably, the limit mechanism includes a limit seat, a limit cylinder fixedly arranged on the limit seat, and a limit piece fixedly connected with the piston rod of the limit cylinder, when the piston of the limit cylinder When the rod is stretched out, the limiting member protrudes upwards to stop on the feeding path of the main material 80 .

Preferably, the auxiliary material preparation frame is roughly in the form of a frame structure that penetrates from top to bottom and includes a hollow part on the side, and the auxiliary material preparation frame surrounds above the auxiliary material bracket to form an accommodating space for the auxiliary material.

Preferably, the upper edge of the auxiliary material preparation rod 515 is higher than the lower surface of the lowermost auxiliary material 90 stacked on the auxiliary material bracket 505 and lower than the upper surface of the auxiliary material 90 . The hollow portion 507 includes edges adapted to the shape of the trim 90 .

Preferably, the hollow part is located on the side of the auxiliary material preparation frame perpendicular to the auxiliary material preparation direction, and the edge of the hollow part is in contact with the upper surface of the lowermost auxiliary material stacked on the auxiliary material bracket. Correspondingly, and slightly higher than the upper surface of the auxiliary material 90, the edge of the hollow part is also lower than the upper surface of the second auxiliary material stacked on the auxiliary material bracket.

Preferably, the auxiliary material preparation mechanism further includes guides, the guides are located on the side of the conveying section, and are used to guide the auxiliary materials.

Preferably, the welding mechanism includes a welding head. After the main material and the auxiliary material are stacked at the welding position, the welding head moves down to above the welding position, and the main material It is welded together with the auxiliary material; the main material feeding mechanism includes a feeding bracket, a horizontal feeding cylinder fixedly arranged on the feeding bracket, a horizontal feeding connector, a vertical feeding cylinder, a vertical lower Material connecting piece, blanking clamping cylinder and blanking jaw, the horizontal blanking connecting piece is fixedly connected with the piston rod of the horizontal blanking cylinder, the vertical blanking cylinder and the horizontal blanking connecting piece Fixedly connected, the vertical feeding connecting piece is fixedly connected with the piston rod of the vertical feeding cylinder, and the feeding clamping cylinder is arranged on the vertical feeding connecting piece for driving the The main material is clamped by the jaws of the material.

The automatic welding assembly line machine tool can realize the automatic welding of the workpiece, improve the operation efficiency, reduce the operation cost, and at the same time improve the operation accuracy, and the overall reliability and stability of the device are high. In addition, the positioning during the feeding process of the main material is more accurate, so that the welding accuracy is improved. The stability of the main material feeding process and welding process is high, which improves the reliability of the whole device. During the preparation of auxiliary materials, the transfer of auxiliary materials is more accurate, and the auxiliary materials being transferred will not affect the position of the auxiliary materials to be transferred, and the stability and reliability during the preparation of auxiliary materials are high.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of an automatic welding assembly line machine tool according to an embodiment of the present invention;

Fig. 2 is a side view of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 3 is a partial perspective view of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 4 is a three-dimensional schematic diagram of the main material feeding mechanism of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 5 is a front view of the main material feeding mechanism of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 6 is the front view of the limit mechanism of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 7 is a schematic diagram of the main material welded by the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 8 is a cross-sectional view of the main material feeding mechanism of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 9 is a three-dimensional schematic diagram of the auxiliary material preparation mechanism of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 10 is a partially enlarged view of the auxiliary material preparation mechanism of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 11 is a schematic diagram of the auxiliary materials welded by the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 12 is a three-dimensional schematic diagram of the auxiliary material preparation mechanism on the other side of the automatic welding assembly line machine tool shown in Fig. 1;

Fig. 13 is a schematic perspective view of an auxiliary material feeding manipulator of the automatic welding assembly line machine tool shown in Fig. 1 .

in,

1. Automatic welding assembly line machine tool 10. Main body 20. Main material feeding mechanism

30. Auxiliary material loading manipulator 40. Main material unloading mechanism 50. Auxiliary material preparation mechanism

70. Welding mechanism 80. Main material 801. First welding part

803, the second welding position 805, the third welding position 90, auxiliary materials

901, short side 903, long side 101, seat body

103, extension table 105, extension cabinet 201, main material feeding cylinder

203. Main material preparation rack 209. Main material feeding rod 211. Main material preparation side wall

213, main material bracket 205, main material feeding piston rod 207, feeding connector

217. Main material support 219. Limit mechanism 215. Main material feeding guide rail

221, limit seat 223, limit cylinder 225, limit piece

227. Auxiliary support 501, auxiliary material preparation rack 503, auxiliary material preparation frame

505, auxiliary material bracket 507, hollow part 509, support section

511. Conveying section 513. Auxiliary material preparation cylinder 515. Auxiliary material preparation rod

517, recessed groove 519, guide 301, horizontal feeding cylinder

303. Horizontal feeding connector 305. Vertical feeding cylinder 307. Vertical feeding connector

309. Vertical feeding cylinder 311. Vertical feeding connector 313. Feeding jaw

701. Welding work head 401. Horizontal feeding cylinder 403. Horizontal feeding connecting piece

405, vertical feeding cylinder 407, vertical feeding connector 409, feeding jaw

411. Unloading bracket

Detailed ways

The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and simple changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

Figures 1 to 10 show an automatic welding assembly line machine tool 1 according to an embodiment of the present invention. The automatic welding assembly line machine tool 1 is used for welding the main material 80 and the auxiliary material 90 together. Specifically, as shown in FIGS. 1 and 2 , the automatic welding assembly line machine tool 1 includes a main body 10 , a main material feeding mechanism 20 , an auxiliary material feeding manipulator 30 , a main material unloading mechanism 40 , an auxiliary material preparation mechanism 50 and a welding mechanism 70 . Wherein, the main material feeding mechanism 20 , the auxiliary material feeding manipulator 30 , the main material unloading mechanism 40 , the auxiliary material preparation mechanism 50 and the welding mechanism 70 are all arranged on the main body 10 . The main body 10 includes a base body 101 , an extension platform 103 and an extension cabinet 105 . Wherein, the base body 101 is used for stable placement on the ground, the extension platform 103 and the extension cabinet 105 are fixedly connected to the base body 101 , and the extension platform 103 is located above the extension cabinet 105 . The main material feeding mechanism 20 is used to transfer the main material 80 to the welding position. The auxiliary material preparation mechanism 50 is used to transfer the auxiliary material 90 to the material preparation position. The auxiliary material loading manipulator 30 is used to transfer the auxiliary material 90 at the material preparation position to the welding position. The welding mechanism 70 is used for welding the auxiliary material 90 to the main material 80 . The main material unloading mechanism 40 is used to convey the main material 80 away from the welding position.

Referring to FIGS. 3 to 8 , the main material feeding mechanism 20 includes a main material feeding cylinder 201 , a main material preparation rack 203 , and a main material feeding rod 209 fixed on the extension platform 103 . The main material preparation rack 203 is used for storing the main material 80 . Referring to FIG. 7 , in this embodiment, the main material 80 is a metal rod extending longitudinally. The main material preparation rack 203 includes two main material preparation side walls 211 and a main material bracket 213 connecting the two main material preparation side walls 211 . The two main material preparation side walls 211 are spaced apart. The gap between the two main material preparation side walls 211 is used to accommodate the main material 80 . The gap between the sidewalls 211 of the main material preparation is slightly larger than the width of the main material 80 . The main material bracket 213 is used to support the main material 80 . The main ingredients 80 can be stacked on the main ingredient bracket 213 in sequence. The main material feeding rod 209 is fixedly connected with the main material feeding piston rod 205 of the main material feeding cylinder 201 , and is slidably arranged on the main material bracket 213 . Further, the main material feeding mechanism 20 also includes a main material feeding guide rail 215 and a feeding rod connecting piece 207 . The feeding rod connecting member 207 is slidably arranged on the main material feeding guide rail 215 . The main material feeding piston rod 205 and the main material feeding rod 209 are fixed together by the feeding rod connecting piece 207 . Specifically, the main material feeding piston rod 205 is fixedly connected to the feeding rod connecting part 207, and the feeding rod connecting part 207 is fixedly connected to the main material feeding rod 209. Further, the width of the main material feeding rod 209 is also smaller than the gap between the main material preparation side walls. The main material feeding rod 209 can slide along the gap between the main material preparation side walls driven by the main material preparation cylinder 201, thereby pushing the main material 80 on the main material bracket 213 to move to the welding position. The welding mechanism 70 includes a master support 717 . The main material support 717 is used to support the main material 80 in the welding position. The main material feeding mechanism 20 also includes a limiting mechanism 219 . The limit mechanism 219 and the main material stock shelf 203 are arranged on both sides of the welding position. The limit mechanism 219 is located on the extension line of the movement direction of the main material 80 when feeding, and is used to stop the main material 80 during the feeding process of the main material 80 . Preferably, there are multiple limiting mechanisms, which are used to stop the main material 80 during the feeding process of the main material, so that multiple different parts of the main material 80 are located at welding positions. Preferably, there are three limiting mechanisms. Correspondingly, as shown in FIG. 7 , the main material 80 includes three welding locations. Wherein, the first welding position 801 and the third welding position 805 are located at both ends of the main material 80 , and the second welding position 803 is located in the middle of the main material 80 . The specific first limiting mechanism 219a is used to stop the main material 80 for the first time during the feeding process of the main material 80, so that the first welding position 801 of the main material 80 is located at the welding position; the second limiting mechanism 219b is used for During the feeding process of the main material 80, the main material 80 is stopped for the second time, so that the second welding position 803 of the main material 80 is located at the welding position; The main material 80 is stopped three times, so that the third welding position 805 of the main material 80 is located at the welding position. 6, the limit mechanism 219 includes a limit seat 221 fixedly arranged on the extension platform 103, a limit cylinder 223 fixedly arranged on the limit seat 221, and a limit piston rod fixedly connected with the limit cylinder 223. The limiting member 225 and the auxiliary supporting member 227 fixedly connected with the limiting seat 221 . When the limiting piston rod of the limiting cylinder 223 stretches out, the limiting member 225 stretches out upwards to stop on the feeding path of the main material 80 . Such setting can make the positioning of the main material more precise and improve the welding precision. The auxiliary supporting member 227 is used to support the main material 80 below the main material 80 when the main material 80 passes over the limiting mechanism 219 . Such setting can improve the stability during the feeding process of the main material and the welding process, and improve the reliability of the entire device.

Referring to FIG. 3 , FIG. 9 and FIG. 10 , the auxiliary material preparation mechanism 50 includes an auxiliary material preparation rack 501 , an auxiliary material preparation cylinder 513 and an auxiliary material preparation rod 515 . The auxiliary material preparation rack 501 is used for storing auxiliary materials. The auxiliary material preparation rack 501 includes an auxiliary material preparation frame 503 and an auxiliary material bracket 505 . The auxiliary material preparation frame is located above the auxiliary material bracket 505 . The auxiliary material preparation frame 503 is roughly formed as a frame structure that runs through from top to bottom, and includes a hollow part 507 on the side. The auxiliary material preparation frame 503 surrounds the auxiliary material bracket 505 to form an accommodating space for the auxiliary material 90 . Referring to FIG. 11 , the auxiliary material 90 is a metal sheet whose side is roughly L-shaped. That is to say, the auxiliary material 90 has an L-shaped side 905 , a short side 901 corresponding to the short side of the L-shaped side, and a long side 903 corresponding to the long side of the L-shaped side. Wherein, the short side portion 901 and the long side portion 903 form an angle of 90°. The auxiliary material bracket 505 includes a supporting section 509 and a conveying section 511 . The supporting section 509 has a shape matching the angle between the short side 901 and the long side 903 , and is used to support the auxiliary material 90 from the inside of the angle between the short side 901 and the long side 903 . And the supporting section 509 has a concave groove 517 . The auxiliary material preparation rod 515 can slide in the concave groove 517 . The upper edge of the auxiliary material preparation rod 515 is higher than the lower surface of the lowermost auxiliary material 90 stacked on the auxiliary material bracket 505 and lower than the upper surface of the auxiliary material 90 . The hollow portion 507 includes edges adapted to the shape of the trim 90 . The hollow part is located on the side of the auxiliary material preparation frame 503 perpendicular to the auxiliary material preparation direction. More specifically, the edge of the hollow part 507 is adapted to the upper surface of the lowermost auxiliary material 90 stacked on the auxiliary material bracket 505, and is slightly higher than the upper surface of the auxiliary material 90, so that the auxiliary material 90 and the auxiliary material preparation rod 515 Go through the cutout. The edge of the hollow part 507 is lower than the upper surface of the second auxiliary material 90 stacked on the auxiliary material bracket 505, so as to stop the auxiliary material 90 and prevent the upper auxiliary material 90 from moving when the lowermost auxiliary material 90 is conveyed. The auxiliary material preparation cylinder 513 is fixedly connected with the auxiliary material bracket 505, and the piston rod of the auxiliary material cylinder 513 is fixedly connected with the auxiliary material preparation rod 515. When the piston rod of the auxiliary material cylinder 513 is stretched out, the auxiliary material preparation rod 515 can be pushed to slide in the recessed groove 517 of the support section 509 of the auxiliary material bracket 505, thereby pushing the lowest auxiliary material 90 stacked on the auxiliary material bracket 505 to the auxiliary material holder The transport section 511 of the rack. After the auxiliary material 90 enters the conveying section 511 , the short side 901 is supported on the conveying section 511 , and the long side 903 is against the side of the conveying section 511 . The accessory tray 505 also includes a guide 519 . The guide 519 is located on the side of the conveying section 511 and is used to guide the long side 903 of the auxiliary material 90 to prevent the auxiliary material 90 from falling from the conveying section 511 during the conveying process. There is a gap between the guide 519 and the conveying section 511. For the long side 903 of the auxiliary material 90 to pass through. The conveying section 511 includes a downwardly inclined surface. After the auxiliary material 90 enters the conveying section 511, it turns over until only the short side 901 is supported on the conveying section 511, and can continue to slide along the conveying section to the material preparation position. Referring to Fig. 1-3 and Fig. 12, in a preferred embodiment, there are two auxiliary material preparation mechanisms 50, which are respectively located on both sides of the welding position. The structures and working principles of the two auxiliary material preparation mechanisms are similar, and the sizes of the auxiliary materials prepared are slightly different, so the shapes of the auxiliary material preparation mechanisms are slightly different according to the auxiliary materials they prepare, so I will not repeat them here.

Referring to Fig. 13, the auxiliary material feeding manipulator 30 includes a horizontal feeding cylinder 301, a horizontal feeding connector 303, a vertical feeding cylinder 305, a vertical feeding connector 307, a vertical feeding cylinder 309, and a vertical feeding connector 311 , feeding clamping cylinder (not shown) and feeding jaw 313. Wherein the lateral feeding cylinder 301 is fixedly connected with the extension platform 103 . The horizontal feeding connector 303 is fixedly connected to the piston rod of the horizontal feeding cylinder 301 . Further, the auxiliary material feeding manipulator 30 also includes an auxiliary material feeding guide rail 315 fixedly arranged on the extension platform 103 . The extending direction of the auxiliary material feeding guide rail 315 is consistent with the moving direction of the piston rod of the horizontal feeding cylinder 301 . The horizontal feeding connector 303 is slidably arranged on the auxiliary material feeding guide rail 315 . The vertical feeding cylinder 305 is fixedly connected to the horizontal feeding connector 303 . The vertical feeding connector 307 is fixedly connected to the piston rod of the vertical feeding cylinder 305 . The vertical feeding cylinder 309 is fixedly connected with the vertical feeding connector 307. The vertical feeding connector 311 is fixedly connected to the piston rod of the vertical feeding cylinder 309 . The feeding and clamping cylinder is fixedly arranged on the vertical feeding connector 311 and is used to drive the feeding jaw 313 to clamp the auxiliary materials. The movement directions of the horizontal feed cylinder 301, the vertical feed cylinder 305, and the vertical feed cylinder 309 are perpendicular to each other so that the feed jaw 313 can move freely in the horizontal, vertical and vertical directions. The horizontal feeding cylinder 301 , the vertical feeding cylinder 305 , the vertical feeding cylinder 309 and the feeding clamping cylinder work together to transfer the auxiliary material 90 at the material preparation position to the welding position. In one embodiment, at the welding position, the auxiliary material 90 is stacked above the main material 80 . In a preferred embodiment of the present invention, the horizontal feeding connector 303, the vertical feeding cylinder 305, the vertical feeding connector 307, the vertical feeding cylinder 309, the vertical feeding connector 311, the feeding clamping cylinder ( not shown) and two feeding jaws 313, which are respectively used to transfer the two auxiliary materials 90 located on both sides of the welding position to the welding position.

Referring to FIG. 13 , the welding mechanism 70 is fixed on the main body 10 . Specifically, the welding mechanism is hung on the base body 101 . The welding mechanism 70 includes a welding head 701. After the main material 80 and the auxiliary material 90 are stacked on the welding position, the welding head 701 moves down to above the welding position to weld the main material 80 and the auxiliary material 90 together.

4 and 5, the main material blanking mechanism 40 includes a blanking bracket 411 fixedly arranged on the extension platform 103, a horizontal blanking cylinder 401 fixedly installed on the blanking bracket 411, a horizontal blanking connector 403, Vertical feeding cylinder 405, vertical feeding connector 407, feeding clamping cylinder and feeding jaw 409. Wherein the lateral feeding connecting piece 403 is fixedly connected with the piston rod of the lateral feeding cylinder 401 . The vertical feeding cylinder 405 is fixedly connected with the horizontal feeding connector 403 . The vertical feeding connector 407 is fixedly connected with the piston rod of the vertical feeding cylinder 407 . The blanking clamping cylinder is arranged on the vertical blanking connector, and is used to drive the blanking jaws to clamp the main material 80 . The horizontal feeding cylinder 401 , the vertical feeding cylinder 405 and the feeding clamping cylinder work together to transfer the main material 80 at the welding position away from the welding position. It can be understood that at this time, the main material 80 and the auxiliary material 90 have been welded together, so the main material 80 and the auxiliary material 90 are conveyed away from the welding position together.

Referring to FIG. 1 to FIG. 13 , the operation process and principle of the automatic welding assembly line machine tool 1 will be described in detail.

The piston rod 205 of the main material feeding cylinder 201 stretches out to push the feeding connector 207 to slide along the main material feeding guide rail 215 . And the feeding connector 207 drives the main material feeding rod 209 to slide along the main material bracket 213, thereby pushing the lowermost main material 80 stacked on the main material bracket 213 to the first welding position 801 of the main material 80 to the welding position. At this time, one end of the main material 80 is stopped by the first limiting mechanism 219a.

In the auxiliary material preparation mechanism 50, the piston rod of the auxiliary material preparation cylinder 513 stretches out and pushes the auxiliary material preparation rod 515 to slide along the recessed groove 517 on the support section 509 of the auxiliary material bracket 505, thereby pushing the bottommost one stacked on the auxiliary material bracket 505. A conveying section 511 of an auxiliary material 90 to the material preparation carriage 505 . The auxiliary material 90 is turned over on the conveying section 511 until only the short side 901 is supported above the conveying section 511 and continues to slide to the material preparation position. And another auxiliary material preparation mechanism 50 also transfers its auxiliary material 90 to its material preparation position.

The auxiliary material feeding manipulator 30 works together with the horizontal feeding cylinder 301, the vertical feeding cylinder 305, and the vertical feeding cylinder 309 to move the feeding jaw 313 to the material preparation position. The feeding and clamping cylinder makes the feeding jaw 313 clamp the auxiliary material 90 located at the material preparation position. The horizontal feeding cylinder 301 , the vertical feeding cylinder 305 , the vertical feeding cylinder 309 and the feeding clamping cylinder work together to transfer the auxiliary material 90 to the welding position. Specifically, the auxiliary material feeding manipulator 30 first transfers the auxiliary material located on the right side of the welding position to the welding position, and at this time the auxiliary material 90 is stacked on the first welding position 801 of the main material 80 .

Further, the welding head 701 of the welding mechanism 70 moves down to the welding position, and the auxiliary material 90 is welded to the first welding position 801 of the main material 80 .

Then, the welding head 701 moves upward to leave the welding position, and the main material feeding mechanism 20 further pushes the main material 80 to move along the feeding direction until the second welding position 803 of the main material 80 is located at the welding position. At this time, one end of the main material 80 is stopped by the second limiting mechanism 219b.

Then, the auxiliary material feeding manipulator 30 first transfers the auxiliary material located on the left side of the welding position to the welding position, and at this time the auxiliary material 90 is stacked on the second welding position 803 of the main material 80 .

Further, the welding head 701 of the welding mechanism 70 moves down to the welding position, and the auxiliary material 90 is welded to the second welding position 803 of the main material 80 .

Then, the welding head 701 moves upward to leave the welding position, and the main material feeding mechanism 20 further pushes the main material 80 to move along the feeding direction until the third welding position 805 of the main material 80 is located at the welding position. At this time, one end of the main material 80 is stopped by the third limiting mechanism 219c.

Claims (3)

1. An automatic welding assembly line machine tool is used for welding main materials and auxiliary materials together and is characterized by comprising a main body, and a main material feeding mechanism, an auxiliary material feeding manipulator, a main material discharging mechanism, an auxiliary material preparing mechanism and a welding mechanism which are arranged on the main body, wherein the main material feeding mechanism is used for conveying the main materials to a welding position, the auxiliary material preparing mechanism is used for conveying the auxiliary materials to a preparing position, the auxiliary material feeding manipulator is used for conveying the auxiliary materials to the welding position, the welding mechanism is used for welding the auxiliary materials to the main materials, and the main material discharging mechanism is used for conveying the main materials away from the welding position; the main material feeding mechanism comprises a main material feeding cylinder, a main material standby material frame and a main material feeding rod, wherein the main material standby material frame comprises two main material standby material side walls and a main material bracket connected with the two main material standby material side walls, and the main material feeding rod is fixedly connected with a piston rod of the main material feeding cylinder and is slidably arranged on the main material bracket; the auxiliary material preparing mechanism comprises an auxiliary material preparing frame, an auxiliary material preparing cylinder and an auxiliary material preparing rod, the auxiliary material preparing frame comprises an auxiliary material preparing frame and an auxiliary material bracket, the auxiliary material bracket comprises a supporting section and a conveying section, the supporting section is provided with a concave groove, the auxiliary material preparing rod can slide in the concave groove, and a piston rod of the auxiliary material cylinder is fixedly connected with the auxiliary material preparing rod; the auxiliary material feeding manipulator comprises a transverse feeding cylinder, a transverse feeding connecting piece, a longitudinal feeding cylinder, a longitudinal feeding connecting piece, a vertical feeding cylinder, a vertical feeding connecting piece, a feeding clamping cylinder and a feeding jaw, wherein the transverse feeding connecting piece is fixedly connected to a piston rod of the transverse feeding cylinder, and the longitudinal feeding cylinder is fixedly connected with the transverse feeding connecting piece; the longitudinal feeding connecting piece is fixedly connected to a piston rod of the longitudinal feeding cylinder, the vertical feeding cylinder is fixedly connected with the longitudinal feeding connecting piece, the vertical feeding connecting piece is fixedly connected to the piston rod of the vertical feeding cylinder, and the feeding clamping cylinder is fixedly arranged on the vertical feeding connecting piece and used for driving the feeding jaw to clamp the auxiliary material;

the main material feeding mechanism further comprises a limiting mechanism, the limiting mechanism and the main material standby material frame are arranged on two sides of the welding position, and the limiting mechanism is located on an extension line of the main material in the moving direction during feeding and used for stopping the main material in the main material feeding process;

the plurality of limiting mechanisms are used for stopping the main materials in the main material feeding process, so that different parts of the main materials are located at the welding positions;

the number of the limiting mechanisms is three, the main material comprises three welding positions, and the first limiting mechanism is used for enabling the first welding position of the main material to be located at the welding position; the second limiting mechanism is used for enabling a second welding part of the main material to be located at the welding position; the third limiting mechanism is used for enabling a third welding part of the main material to be located at the welding position;

the limiting mechanism comprises a limiting seat, a limiting cylinder fixedly arranged on the limiting seat and a limiting part fixedly connected with a piston rod of the limiting cylinder, and when the piston rod of the limiting cylinder extends out, the limiting part extends upwards and stops on a path for loading the main material (80);

the auxiliary material preparation frame is roughly of a frame structure which is through from top to bottom and has a hollowed-out part on the side surface, and is arranged above the auxiliary material bracket in a surrounding mode to form an auxiliary material containing space;

the upper edge of the auxiliary material preparing rod (515) is higher than the lower surface of the lowermost auxiliary material (90) stacked on the auxiliary material bracket (505) and lower than the upper surface of the auxiliary material (90); the hollow part (507) comprises an edge which is adaptive to the shape of the auxiliary material (90);

the hollow part is located with auxiliary material prepares material frame with auxiliary material prepares material direction vertically side, the edge of hollow part suits with the upper surface that piles up an auxiliary material of below on the auxiliary material bracket, and is higher than slightly the upper surface of auxiliary material (90), the edge of hollow part still is less than pile up the upper surface of the second auxiliary material on the auxiliary material bracket.

2. The automated welding line machine of claim 1, wherein the auxiliary material preparation mechanism further comprises a guide located to the side of the transport section for guiding the auxiliary material.

3. The automated welding line machine tool of claim 1, wherein the welding mechanism comprises a welding work head, and when the stacking of the main material and the auxiliary material at the welding position is completed, the welding work head moves downward to above the welding position to weld the main material and the auxiliary material together; the main material blanking mechanism comprises a blanking support, a transverse blanking cylinder, a transverse blanking connecting piece, a vertical blanking cylinder, a vertical blanking connecting piece, a blanking clamping cylinder and a blanking jaw, wherein the transverse blanking cylinder, the transverse blanking connecting piece, the vertical blanking cylinder, the vertical blanking clamping cylinder and the blanking jaw are fixedly arranged on the blanking support, the transverse blanking connecting piece is fixedly connected with a piston rod of the transverse blanking cylinder, the vertical blanking cylinder is fixedly connected with a piston rod of the vertical blanking cylinder, and the blanking clamping cylinder is arranged on the vertical blanking connecting piece and used for driving the blanking jaw to clamp the main material.