CN114505624A

CN114505624A - High-efficient automatic welder and welding system based on prefabricated cement slab steel bar welding

Info

Publication number: CN114505624A
Application number: CN202111555974.2A
Authority: CN
Inventors: 薛龙; 张若楠; 邹勇; 张孟枢; 王伟; 朱鸿俊; 魏松乾; 冯智
Original assignee: Beijing Institute of Petrochemical Technology
Current assignee: Beijing Institute of Petrochemical Technology
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-17
Anticipated expiration: 2041-12-17
Also published as: CN114505624B

Abstract

The invention provides a high-efficiency automatic welding device and a welding system based on prefabricated cement plate steel bar welding, and relates to the technical field of prefabricated cement plate steel bar welding in the field of buildings, the device comprises a welding vehicle body, a cable clamping mechanism, a welding gun adjusting mechanism and a welding gun clamping mechanism, wherein the welding gun adjusting mechanism and the cable clamping mechanism are both arranged on the welding vehicle body, the welding gun clamping mechanism is connected with the welding gun adjusting mechanism, and the welding gun adjusting mechanism can drive a welding gun on the welding gun clamping mechanism and a welding gun on the welding gun clamping mechanism to move to a position of a welding seam to be welded; the welding vehicle body comprises a vehicle frame, a driving mechanism and a vehicle body moving mechanism, the driving mechanism is arranged on the vehicle frame, the vehicle body moving mechanism is arranged at the bottom of the vehicle frame, the driving mechanism is connected with the vehicle body moving mechanism to drive the welding vehicle body to move, the welding vehicle has the advantages of being simple in structure, strong in practicability and simple in operation, a plurality of welding guns can be allowed to weld simultaneously, and welding efficiency is improved.

Description

High-efficient automatic welder and welding system based on prefabricated cement slab steel bar welding

Technical Field

The invention relates to the technical field of welding of prefabricated cement plate reinforcing steel bars in the field of buildings, in particular to a high-efficiency automatic welding device and a welding system based on welding of the prefabricated cement plate reinforcing steel bars.

Background

The precast slab replaces a brick bed mould construction technology to be widely applied to building projects, and the practical effect is obvious. The prefabricated plates are connected through welding with steel bars of the bottom plate. At present, most of small and medium-sized enterprises complete the welding of precast slab steel bars by manual electric arc welding, and the welding machine has the advantages of low efficiency, high labor intensity, uneven welding and poor welding quality.

At present, most of domestic welding trolleys are of single-gun type and need to be paved with specific walking tracks. The welding trolley with the type has too low efficiency in the welding construction site of the prefabricated cement plate, the workload is greatly increased by laying the track, and the development of the novel welding trolley is particularly important.

Disclosure of Invention

In view of the above, the present invention provides an efficient automatic welding device and a welding system based on welding of prefabricated concrete slab reinforcing steel bars, so as to solve the technical problems of low welding efficiency and large workload of the prefabricated slab reinforcing steel bars in the prior art.

In order to achieve the purpose, the invention provides a high-efficiency automatic welding device based on prefabricated cement plate steel bar welding, which comprises a welding vehicle body, a cable clamping mechanism, a welding gun adjusting mechanism and a welding gun clamping mechanism, wherein the welding gun adjusting mechanism and the cable clamping mechanism are both arranged on the welding vehicle body, the welding gun clamping mechanism is connected with the welding gun adjusting mechanism, and the welding gun adjusting mechanism can drive a welding gun on the welding gun clamping mechanism and a welding gun on the welding gun clamping mechanism to move to a welding seam position to be welded;

the welding vehicle body comprises a vehicle frame, a driving mechanism and a vehicle body moving mechanism, wherein the driving mechanism is arranged on the vehicle frame, the vehicle body moving mechanism is arranged at the bottom of the vehicle frame, and the driving mechanism is connected with the vehicle body moving mechanism to drive the welding vehicle body to move.

As a further improvement of the present invention, the welding gun adjusting mechanism includes a three-dimensional moving mechanism and a fine adjustment mechanism, the three-dimensional moving mechanism is mounted on the welding vehicle body, the fine adjustment mechanism is connected to the three-dimensional moving mechanism, the three-dimensional moving mechanism drives the fine adjustment mechanism and the welding gun clamping mechanism mounted on the fine adjustment mechanism to move to a preset position, and then the fine adjustment mechanism adjusts the welding gun clamping mechanism to align the welding gun on the welding gun clamping mechanism with the position of the welding seam to be welded.

As a further improvement of the present invention, the three-dimensional movement mechanism includes an X-axis movement mechanism, a Y-axis movement mechanism and a Z-axis movement mechanism, the Y-axis movement mechanism is mounted on the welding vehicle body, the Z-axis movement mechanism is connected to the Y-axis movement mechanism, the X-axis movement mechanism is connected to the Z-axis movement mechanism, the Y-axis movement mechanism can drive the X-axis movement mechanism and the Z-axis movement mechanism to move along the Y-axis direction, the Y-axis direction is consistent with the length direction of the weld joint, the Z-axis movement mechanism can drive the X-axis movement mechanism to move up and down, the X-axis movement mechanism is connected to the fine adjustment mechanism, and the X-axis movement mechanism can drive the fine adjustment mechanism to move along the X-axis direction to adjust the position of the welding gun on the welding gun clamping mechanism.

As a further improvement of the invention, the Y-axis movement mechanism comprises a Y-axis driving motor, a first Y-axis base, a second Y-axis base, a Y-axis synchronous belt, a Y-axis sliding block and a Y-axis coupler, wherein the first Y-axis base and the second Y-axis base are respectively arranged on two opposite sides of the welding vehicle body, the Y-axis synchronous belt is arranged on the corresponding first Y-axis base and the second Y-axis base through a synchronous wheel, the Y-axis driving motor is connected with the synchronous wheel on the first Y-axis base and can drive the synchronous belt on the first Y-axis base to move through the synchronous wheel, the Y-axis coupler is arranged between the first Y-axis base and the second Y-axis base, one end of the Y-axis coupler is connected with the Y-axis driving motor through the synchronous wheel on the first Y-axis base, the other end of the Y-axis coupler is connected with the synchronous wheel on the second Y-axis base, the Y-axis sliding blocks are arranged on the corresponding Y-axis synchronous belts, the Y-axis synchronous belts can drive the Y-axis sliding blocks to reciprocate, Z-axis moving mechanisms are arranged on the Y-axis sliding blocks, and the Y-axis moving mechanisms can drive the Z-axis moving mechanisms to reciprocate along the Y-axis direction;

the Z-axis motion mechanism comprises a Z-axis driving motor, a first Z-axis base, a second Z-axis base, a Z-axis synchronous belt, a Z-axis sliding block and a Z-axis coupler, the first Z-axis base is arranged on the Y-axis sliding block on the first Y-axis base, the second Z-axis base is arranged on the Y-axis sliding block on the second Y-axis base, the Z-axis coupler is positioned between the first Z-axis base and the second Z-axis base, the Z-axis synchronous belt is arranged on the corresponding first Z-axis base and the second Z-axis base through a synchronous wheel, the Z-axis driving motor is arranged on one side of the first Z-axis base far away from the second Z-axis base and is connected with the synchronous wheel on the first Z-axis base so as to drive the Z-axis synchronous belt on the first Z-axis base to move, the Z-axis sliding block is arranged on the corresponding Z-axis synchronous belt, and the Z-axis synchronous belt can drive the Z-axis sliding block on the Z-axis synchronous belt to move in a reciprocating manner, one end of the Z-axis coupler is connected with the Z-axis driving motor through a synchronizing wheel on the first Z-axis base, the other end of the Z-axis coupler is connected with a synchronizing wheel on the second Z-axis base, Z-axis sliding blocks on the first Z-axis synchronous belt and the second Z-axis synchronous belt move synchronously, and two ends of the X-axis movement mechanism are respectively installed on a sliding block on the first Z-axis base and a Z-axis sliding block on the second Z-axis base;

x axle motion includes X axle base, X axle driving motor, lead screw nut base and X axle slider, X axle base includes two guide rails and middle ball, two parallel arrangement about the guide rail just installs on the Z axle slider, lead screw nut base with ball is connected and lead screw nut base slides on the guide rail through X axle slider between, X axle driving motor with ball is connected and can pass through ball drives lead screw nut base along the length direction reciprocating motion of guide rail, install on the lead screw nut base fine-tuning.

As a further improvement of the invention, the fine adjustment mechanism comprises a slide rail connecting plate, a slide rail, a roller block, a rolling bearing and an elastic adjustment assembly, the slide rail connecting plate is connected with the lead screw nut base, the slide rail is mounted on the slide rail connecting plate, the rolling bearing is connected with the roller block, the roller block is connected with the slide rail in a sliding manner through the rolling bearing, the welding gun clamping device is detachably connected to the roller block, the elastic adjustment assembly is mounted on the slide rail, a leaning rod part is arranged at the lower part of the welding gun clamping mechanism, the three-dimensional movement mechanism drives the welding gun clamping mechanism to move towards the direction close to the steel bar to be welded so as to enable the leaning rod part to be abutted against the side part of the steel bar to be welded, the steel bar to be welded can prevent the welding gun clamping device from moving when the three-dimensional movement mechanism continues to drive the welding gun clamping mechanism to move, the elastic adjustment assembly is in a compressed state;

the end part of the sliding rail far away from the elastic adjusting assembly is provided with a blocking part, and when the elastic adjusting assembly is in a non-compression state, the blocking part can prevent the roller sliding block from being separated from the sliding rail.

As a further improvement of the present invention, the fine adjustment mechanism includes a slide rail connecting block, a first sliding table housing, an adapter plate structure and a second sliding table housing, the slide rail connecting block is mounted on the three-dimensional movement mechanism, the first sliding table housing is disposed on the slide rail connecting block, the first sliding table housing is connected with the adapter plate structure through a vertical sliding table screw, the adapter plate structure is connected with the second sliding table housing through an electric screw, the welding gun clamping mechanism is detachably mounted on the second sliding table housing, and the electric screw is connected with a screw driving part; the rotation of the vertical sliding table lead screw can drive the second sliding table shell and a welding gun clamping mechanism arranged on the second sliding table shell to move up and down through the adapter plate structure; the driving part drives the electric lead screw to rotate so as to drive the second sliding table shell and a welding gun clamping mechanism arranged on the second sliding table shell to move along the horizontal direction;

the driving part comprises a motor and a steering adjusting structure, the motor is connected with the electric lead screw through the steering adjusting structure, a laser sensor is arranged on the welding gun clamping mechanism and connected with a PLC (programmable logic controller), the laser sensor can detect position deviation between a welding gun on the welding gun clamping mechanism and a welding seam to be welded and send a detection signal to the PLC, and the PLC can control the rotation of the motor according to the detection signal.

As a further improvement of the invention, the welding gun clamping mechanism comprises an installation part and a welding gun clamping part, wherein the upper part of the installation part is provided with a long slotted hole, and the installation part passes through the long slotted hole through a connecting piece to be detachably connected with the roller sliding block; the welding gun clamping part is fixedly arranged at the lower part of the mounting part and comprises a first welding gun supporting seat and a second welding gun supporting seat, the first welding gun supporting seat is fixed on the mounting part, the second welding gun supporting seat is detachably connected with the first welding gun supporting seat, and a clamping opening capable of placing a welding gun head is formed between the first welding gun supporting seat and the second welding gun supporting seat;

the cable clamping mechanism comprises a support frame, a cable placing part and an opening and closing part, wherein the support frame is installed on the welding vehicle body, a plurality of cable placing parts used for placing welding gun cables are fixed on the support frame, one end of the opening and closing part is arranged on the support frame through a hinged part, the other end of the opening and closing part can be connected with the support frame through bolts, the opening and closing part is in an opening and closing state, the welding gun cables can be fixed in the corresponding cable placing parts through the opening and closing part in the closing state, and the welding gun cables can be released from being fixed through the opening and closing part in the opening state;

the whole support frame is in an inverted U shape and comprises vehicle body installation parts and a middle connecting part, the two vehicle body installation parts are fixed on the welding vehicle body, and the middle connecting part is connected with the two vehicle body installation parts; the middle connecting part is provided with a plurality of cable placing parts, the cable placing parts are U-shaped and fixed on the middle connecting part through bolts, and welding gun cables are placed in the corresponding U-shaped grooves of the cable placing parts;

the hinge portion comprises a first connecting portion and a second connecting portion, a cushion block is fixed on the upper surface of the middle connecting portion, the first connecting portion is fixed on the cushion block through bolts, the second connecting portion is fixedly connected with the opening and closing portion, two ends of the second connecting portion are rotatably connected with two ends of the first connecting portion, an opening and closing baffle is arranged in the middle of the second connecting portion, and the opening and closing portion can drive the second connecting portion and the opening and closing baffle on the second connecting portion to abut against the first connecting portion when turning towards the direction close to the first connecting portion so as to control the opening and closing angle of the opening and closing portion.

As a further improvement of the invention, the frame comprises a vehicle body front plate, a vehicle body right plate, a vehicle body rear plate and a vehicle body left plate which are connected in sequence, the support frame is fixed on the vehicle body right plate through a bolt, and the first X-axis base and the second X-axis base are transversely arranged above the vehicle body left plate and the vehicle body right plate;

the vehicle body moving mechanism comprises a driving wheel and a driven wheel, the driving wheel and the driven wheel are both arranged at the bottom of the vehicle frame, and the driving mechanism is arranged on the front plate of the vehicle body and is connected with the driving wheel;

the driving mechanism comprises a driving motor, a speed reducer, a bevel gear assembly and a connecting shaft, the speed reducer and the driving motor are mounted on the front plate of the vehicle body, the driving motor is connected with the speed reducer, an output shaft of the speed reducer is connected with the bevel gear assembly, the bevel gear assembly is connected with the connecting shaft, two ends of the connecting shaft are respectively connected with a driving wheel, and the driving mechanism can drive the driving wheels to rotate by rotation;

a first limiting shell is arranged below the speed reducer, an output shaft of the speed reducer can penetrate through the first limiting shell to be connected with the bevel gear assembly, a second limiting shell is arranged on the periphery of the first limiting shell, the second limiting shell is fixedly mounted on the front plate of the vehicle body through bolts, a protrusion is arranged on the outer side wall of the first limiting shell, and a limiting sliding groove matched with the protrusion is arranged on the inner wall of the second limiting shell; the whole type that is down "L" of limiting chute, including vertical chute and horizontal chute, horizontal chute is located the top of vertical chute, be provided with the handle bolt on the spacing casing of second, rotate the handle bolt enables the handle bolt orientation is close to the direction of first limiting casing removes so that the handle bolt butt is in on the first limiting casing.

As a further improvement of the invention, the welding vehicle body further comprises a clamping mechanism, the clamping mechanism is arranged at the bottom of the vehicle frame, the clamping mechanism comprises a pushing cylinder, a push rod and a stop block, the pushing cylinder is fixedly arranged at the bottom of the vehicle frame through a connecting support, the push rod is connected with the pushing cylinder, the stop block is connected with the push rod, and the pushing cylinder can drive the stop block to reciprocate along the length direction of the steel bar to be welded between the two prefabricated cement plates through the push rod.

The efficient welding system based on the prefabricated cement plate steel bar welding comprises a loading vehicle body, a carrying vehicle body and the efficient automatic welding device based on the prefabricated cement plate steel bar welding, wherein the loading vehicle body is connected with the carrying vehicle body, and the loading vehicle body can drag the carrying vehicle body to move;

the loading vehicle body comprises a loading vehicle frame and a moving wheel arranged at the bottom of the loading vehicle frame, a first placing frame used for placing a gas tank and a second placing frame used for placing a wire feeder and a welding power supply/electric welding machine are arranged on the loading vehicle frame, the first placing frame and the second placing frame are arranged side by side along the length direction of the loading vehicle body, a plurality of gas tank accommodating grooves used for placing the gas tank are formed in the first placing frame, a wire feeder supporting plate is arranged on the second placing frame, the wire feeder is installed on the wire feeder supporting plate, and an accommodating space used for placing the welding power supply/electric welding machine is arranged below the wire feeder supporting plate;

the carrying vehicle body comprises a carrying frame and travelling wheels arranged at the bottom of the carrying frame, and a carrying space for placing the welding vehicle body is formed on the carrying frame; the carrying frame comprises a bottom plate and three side plates connected with the bottom plate, the three side plates are a left side plate, a front side plate and a right side plate which are connected in sequence, first pressing mechanisms are arranged at two ends of the front side plate respectively, and second pressing mechanisms are arranged on the bottom plate.

The invention provides a high-efficiency automatic welding device based on welding of prefabricated cement plate reinforcing steel bars, which comprises a welding vehicle body, a cable clamping mechanism, a welding gun adjusting mechanism and a welding gun clamping mechanism, wherein the welding gun adjusting mechanism and the cable clamping mechanism are arranged on the welding vehicle body; the welding gun adjusting mechanism can be well suitable for the position deviation of the upper-layer steel bars of the prefabricated cement plates, and can drive the welding gun to move along the length direction of a welding seam to be welded through the three-dimensional movement mechanism so as to weld the steel bars between the two prefabricated cement plates, so that a manual welding mode is replaced, the welding efficiency is improved, and the labor intensity is reduced; in addition, the welding vehicle body comprises a vehicle frame, a driving mechanism and a vehicle body moving mechanism, the welding vehicle body can be driven to move through the driving mechanism, the welding vehicle body does not need to be pushed manually, and the welding vehicle has the advantages of being simple in structure, strong in practicability, high in flexibility and simple in operation.

Drawings

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

FIG. 1 is a first schematic structural view of a welding apparatus provided in embodiment 1 of the present invention;

fig. 2 is a second schematic structural diagram of the welding device provided in embodiment 1 of the present invention (an electric appliance control box is not shown);

FIG. 3 is a third schematic view of a welding apparatus provided in embodiment 1 of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a fourth schematic structural view of a welding apparatus provided in embodiment 1 of the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 5;

FIG. 7 is an enlarged view of portion D of FIG. 2;

fig. 8 is a fifth structural schematic view of the welding apparatus provided in embodiment 1 of the present invention (cable clamping mechanism not shown);

fig. 9 is an enlarged view of portion C of fig. 8;

fig. 10 is a schematic structural view of a cable clamping mechanism provided in embodiment 1 of the present invention;

fig. 11 is a schematic structural diagram of a first limiting housing provided in embodiment 1 of the present invention;

fig. 12 is a schematic structural view of a second limiting housing provided in embodiment 1 of the present invention;

fig. 13 is a first schematic configuration diagram of a welding system provided in embodiment 1 of the present invention;

fig. 14 is a second schematic configuration diagram of the welding system provided in embodiment 1 of the present invention;

fig. 15 is a schematic structural view of a second clamping mechanism provided in embodiment 1 of the present invention (a hinged swing link is not illustrated);

FIG. 16 is a schematic view of a welding system according to embodiment 1 of the present invention;

fig. 17 is a first structural schematic diagram of a welding apparatus provided in embodiment 2 of the present invention;

fig. 18 is a fourth schematic structural view of the welding apparatus provided in embodiment 2 of the present invention;

fig. 19 is an enlarged view of portion E of fig. 18;

fig. 20 is a fifth structural schematic view of the welding apparatus provided in embodiment 2 of the present invention;

fig. 21 is an enlarged view of portion F of fig. 20;

fig. 22 is a schematic diagram of the operation of the welding system provided in embodiment 2 of the present invention.

Reference numerals: 1. welding the vehicle body; 11. a frame; 111. a vehicle body front panel; 112. a vehicle body right panel; 113. A vehicle body rear panel; 114. a left vehicle body panel; 12. a drive mechanism; 121. a drive motor; 122. a speed reducer; 123. a bevel gear assembly; 124. a connecting shaft; 125. a first limit housing; 126. a protrusion; 127. a second limit housing; 128. a limiting chute; 13. a vehicle body moving mechanism; 131. a driving wheel; 132. a driven wheel; 2. a cable clamping mechanism; 21. a support frame; 22. a cable placement section; 23. an opening and closing part; 24. a hinge portion; 241. a first connection portion; 242. a second connecting portion; 25. a folding baffle plate; 3. a welding gun adjusting mechanism; 31. A three-dimensional motion mechanism; 311. an X-axis motion mechanism; 3111. a guide rail; 3112. an X-axis drive motor; 3113. A lead screw nut base; 3114. a middle ball screw; 312. a Y-axis motion mechanism; 3121. a Y-axis drive motor; 3122. a first Y-axis base; 3123. a second Y-axis base; 3124. a Y-axis synchronous belt; 3125. A Y-axis slider; 3126. a Y-axis coupler; 313. a Z-axis motion mechanism; 3131. a Z-axis drive motor; 3132. a first Z-axis base; 3133. a second Z-axis base; 3134. a Z-axis synchronous belt; 3135. a Z-axis slide block; 3136. a Z-axis coupler; 32. a fine adjustment mechanism; 321. a slide rail connecting plate; 322. a slide rail; 323. a roller slider; 324. a rolling bearing; 325. an elastic adjustment assembly; 3251. a spring fixing plate; 3252. a spring movable plate; 321' and a sliding rail connecting block; 322', a first sliding table shell; 323' and a second sliding table housing; 324', a vertical sliding table lead screw; 325', an electric lead screw; 326', a lead screw driving part; 4. a welding gun clamping mechanism; 41. an installation part; 411. a long slot hole; 42. a first welding gun support seat; 43. a second welding gun support seat; 5. a chucking mechanism; 51. a push cylinder; 52. a push rod; 53. a stopper; 6. carrying a vehicle body; 61. a first hold-down mechanism; 62. a second hold-down mechanism; 621. a mounting seat; 622. a swing rod is hinged; 623. a bolt handle; 624. a slider structure; 6241. a sliding part; 7. loading the vehicle body; 71. a first placing rack; 72. a second rack; 8. a gas tank; 9. a wire feeder; 10. a welding power supply/welder; 14. an electrical appliance control box; 15. A rod rest part; 16. a laser sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

Example 1:

referring to fig. 1 to 12, the invention provides a high-efficiency automatic welding device based on welding of prefabricated cement plate reinforcing steel bars, which comprises a welding vehicle body 1, a cable clamping mechanism 2, a welding gun adjusting mechanism 3 and a welding gun clamping mechanism 4, wherein the welding gun adjusting mechanism 3 and the cable clamping mechanism 2 are both arranged on the welding vehicle body 1, the welding gun clamping mechanism 4 is connected with the welding gun adjusting mechanism 3, and the welding gun adjusting mechanism 3 can drive a welding gun on the welding gun clamping mechanism 4 and a welding gun on the welding gun clamping mechanism 4 to move to a welding seam position to be welded.

Specifically, the welding gun adjusting mechanism 3 in this embodiment includes a three-dimensional moving mechanism 31 and a fine adjustment mechanism 32, the three-dimensional moving mechanism 31 is mounted on the welding vehicle body 1, the fine adjustment mechanism 32 is connected to the three-dimensional moving mechanism 31, and after the three-dimensional moving mechanism 31 drives the fine adjustment mechanism 32 and the welding gun clamping mechanism 4 mounted on the fine adjustment mechanism 32 to move to a preset position, the fine adjustment mechanism 32 can adjust the welding gun clamping mechanism to align the welding gun on the welding gun clamping mechanism with the position of the welding seam to be welded. Adopt multiple welder position control structure, the positional deviation who is applicable to prefabricated cement board upper reinforcing bar that can be better has simple structure, and the practicality is strong, and the flexibility ratio is high, and equipment input cost is low, easy operation's advantage.

The three-dimensional movement mechanism 31 comprises an X-axis movement mechanism 311, a Y-axis movement mechanism 312 and a Z-axis movement mechanism 313, the Y-axis movement mechanism 312 is installed on the welding vehicle body 1, the Z-axis movement mechanism 313 is connected with the Y-axis movement mechanism 312, the X-axis movement mechanism 311 is connected with the Z-axis movement mechanism 313, the Y-axis movement mechanism 312 can drive the X-axis movement mechanism 311 and the Z-axis movement mechanism 313 to move along the Y-axis direction, the Y-axis direction is consistent with the length direction of a welding seam, the Z-axis movement mechanism 313 can drive the X-axis movement mechanism 311 to move up and down, the X-axis movement mechanism 311 is connected with the fine adjustment mechanism 32, and the X-axis movement mechanism 311 can drive the fine adjustment mechanism 32 to move along the X-axis direction so as to adjust the position of a welding gun on the welding gun clamping mechanism 4.

The Y-axis movement mechanism 312 includes a Y-axis driving motor 3121, a first Y-axis base 3122, a second Y-axis base 3123, a Y-axis synchronous belt 3124, a Y-axis slider 3125 and a Y-axis coupler 3126, two opposite sides of the welding vehicle body 1 are provided with a first Y-axis base 3122 and a second Y-axis base 3123, the Y-axis synchronous belt 3124 is disposed on the corresponding first Y-axis base 3122 and the second Y-axis base 3123 through a synchronous wheel, the Y-axis driving motor 3121 is connected with the synchronous wheel on the first Y-axis base 3122 and can drive the synchronous belt on the first Y-axis base 3122 to move through the synchronous wheel, the Y-axis coupler 3126 is disposed between the first Y-axis base 3122 and the second Y-axis base 3123, one end of the Y-axis coupler 3126 is connected with the Y-axis driving motor 3121 through the synchronous wheel on the first Y-axis base 3122, the other end of the Y-axis coupler 3123 is connected with the synchronous wheel on the second Y-axis base, the Y-axis slider 3125 is disposed on the Y-axis base and can drive the synchronous belt 3124 toward the Y-axis slider And in the reciprocating motion, the Z-axis motion mechanism 313 is installed on the Y-axis sliding block 3125, and the Y-axis motion mechanism 312 can drive the Z-axis motion mechanism 313 to reciprocate along the Y-axis direction.

The Z-axis moving mechanism 313 includes a Z-axis driving motor 3131, a first Z-axis base 3132, a second Z-axis base 3133, a Z-axis synchronous belt 3134, a Z-axis slider 3135, and a Z-axis coupler 3136, the first Z-axis base 3132 is installed on the Y-axis slider 3125 on the first Y-axis base 3122, the second Z-axis base 3133 is installed on the Y-axis slider 3125 on the second Y-axis base 3123, the Z-axis coupler 3136 is located between the first Z-axis base 3132 and the second Z-axis base 3133, the Z-axis synchronous belt 3134 is disposed on the corresponding first Z-axis base 3132 and second Z-axis base 3133 through a synchronous pulley, the Z-axis driving motor 3131 is disposed on the first Z-axis base 3132 at a side far from the second Z-axis base 3133 and connected to the synchronous pulley on the first Z-axis base 3132 and drives the Z-axis slider 3134 on the first Z-axis base 3132, the Z-axis slider 3134 is disposed on the Z-axis base 3135 and can move the synchronous belt 3135, one end of the Z-axis coupler 3136 is connected to a Z-axis driving motor 3131 through a synchronizing wheel on a first Z-axis base 3132, and the other end is connected to a synchronizing wheel on a second Z-axis base 3133, a Z-axis slider 3135 on a first Z-axis synchronizing belt 3134 and a second Z-axis synchronizing belt 3134 moves synchronously, and both ends of the X-axis moving mechanism 311 are respectively installed on a slider on the first Z-axis base 3132 and a Z-axis slider 3135 on the second Z-axis base 3133.

The X-axis moving mechanism 311 includes an X-axis base, an X-axis driving motor 3112, a screw nut base 3113 and an X-axis slider, the X-axis base includes two guide rails 3111 and a middle ball-screw 3114, the two guide rails 3111 are arranged in parallel up and down and are mounted on a Z-axis slider 3135, the screw nut base 3113 is connected to the middle ball-screw, there are four screw nut bases 3113 in this embodiment, each screw nut base 3113 is mounted with a fine adjustment mechanism 32, and the screw nut base 3113 slides on the guide rails 3111 through the X-axis slider, that is, the welding device in the embodiment shown in fig. 1 can allow four welding guns to weld simultaneously. The X-axis driving motor 3112 is connected to a ball screw and can drive the screw nut base 3113 to reciprocate along the length direction of the guide rail 3111 through the ball screw.

The fine adjustment mechanism 32 in this embodiment includes a slide rail connecting plate 321, a slide rail 322, a roller block 323, a rolling bearing 324, and an elastic adjustment assembly 325, the slide rail connecting plate 321 is connected to the lead screw nut base 3113, the slide rail 322 is installed on the slide rail connecting plate 321, the rolling bearing 324 is connected to the roller block 323, the roller slide block 323 is connected with the slide rail 322 in a sliding manner through a rolling bearing 324, the welding gun clamping device is detachably connected to the roller slide block 323, the elastic adjusting component 325 is installed on the slide rail 322, the lower part of the welding gun clamping mechanism 4 is provided with a leaning rod part 15, the three-dimensional movement mechanism 31 drives the welding gun clamping mechanism 4 to move towards the direction close to the steel bar to be welded so that the leaning rod part 15 is abutted against the side part of the steel bar to be welded, when the three-dimensional movement mechanism 31 continues to drive the welding gun clamping mechanism 4 to move, the steel bar to be welded can prevent the welding gun clamping device from moving, and the elastic adjusting component 325 is in a compression state; the end of the slide rail 322 far from the elastic adjustment assembly 325 is provided with a blocking part, and when the elastic adjustment assembly 325 is in a non-compression state, the blocking part can prevent the roller slide block 323 from separating from the slide rail 322.

The elastic assembly in this embodiment includes a fixed spring plate 3251, a spring and a movable spring plate 3252, the spring is connected between the fixed spring plate 3251 and the movable spring plate 3252, the fixed spring plate 3251 is mounted on the slide rail 322, and the movable spring plate 3252 is connected to the roller block 323.

The welding gun clamping mechanism 4 comprises an installation part 41 and a welding gun clamping part, wherein the upper part of the installation part 41 is provided with a long slotted hole 411, the installation part 41 passes through the long slotted hole 411 through a connecting piece to be detachably connected with the roller sliding block 323, and the position of the welding gun clamping part in the vertical direction can be adjusted through the arrangement of the long slotted hole 411 to supplement the longitudinal fine adjustment distance; the fixed setting in the lower part of installation department 41 of welder clamping part, welder clamping part include first welder supporting seat 42 and second welder supporting seat 43, and first welder supporting seat 42 is fixed on installation department 41, and second welder supporting seat 43 can be dismantled with first welder supporting seat 42 and be connected and be formed with the rhombus's that can place the welder rifle head between first welder supporting seat 42 and the second welder supporting seat 43 the mouth that presss from both sides, the position of the fixed welder head that can more stabilize.

In order to effectively prevent the interference influence of a welding gun cable in the working and moving process of a welding gun, a cable clamping mechanism 2 is arranged on the welding vehicle body 1. The cable clamping mechanism 2 in this embodiment includes a support frame 21, a cable placing portion 22, and an opening and closing portion 23, the support frame 21 is mounted on the welding vehicle body 1, and a plurality of cable placing portions 22 for placing the welding gun cable are fixed on the support frame 21, one end of the opening and closing portion 23 is disposed on the support frame 21 through a hinge portion 24, the other end of the opening and closing portion 23 can be connected to the support frame 21 through a bolt, the opening and closing portion 23 has an open state and a closed state, the opening and closing portion 23 in the closed state can fix the welding gun cable in the corresponding cable placing portion 22, and the opening and closing portion 23 in the open state can release the fixation of the welding gun cable. The cable clamping mechanism 2 can well plan the routing path of the welding gun cable, and effectively solves the interference influence of the welding gun cable when a plurality of welding guns work.

Specifically, the support frame 21 is integrally in an inverted U shape, and includes vehicle body mounting portions 41 and an intermediate connecting portion, the two vehicle body mounting portions 41 are fixed on the welding vehicle body 1, and the intermediate connecting portion connects the two vehicle body mounting portions 41; the middle connecting part is provided with a plurality of cable placing parts 22, the cable placing parts 22 are U-shaped and fixed on the middle connecting part through bolts, and welding gun cables are placed in the U-shaped grooves of the corresponding cable placing parts 22; the hinge portion 24 includes a first connecting portion 241 and a second connecting portion 242, a cushion block is fixed on the upper surface of the middle connecting portion, the first connecting portion 241 is fixed on the cushion block through a bolt, the second connecting portion 242 is fixedly connected with the opening/closing portion 23, two ends of the second connecting portion 242 are rotatably connected with two ends of the first connecting portion 241, an opening/closing baffle 25 is disposed at the middle position of the second connecting portion 242, and the opening/closing portion 23 can drive the second connecting portion 242 and the opening/closing baffle 25 on the second connecting portion 242 to abut against the first connecting portion when turning towards the direction close to the first connecting portion 241 so as to control the opening/closing angle of the opening/closing portion 23.

The welding vehicle body 1 in the embodiment includes a vehicle frame 11, a driving mechanism 12 and a vehicle body moving mechanism 13, the driving mechanism 12 is disposed on the vehicle frame 11, the vehicle body moving mechanism 13 is disposed at the bottom of the vehicle frame 11, and the driving mechanism 12 is connected with the vehicle body moving mechanism 13 to drive the welding vehicle body 1 to move. The frame 11 comprises a vehicle body front plate 111, a vehicle body right plate 112, a vehicle body rear plate 113 and a vehicle body left plate 114 which are connected in sequence, the support frame 21 is fixed on the vehicle body right plate 112 through bolts, and a first X-axis base and a second X-axis base are transversely arranged above the vehicle body left plate 114 and the vehicle body right plate 112; the vehicle body moving mechanism 13 comprises a driving wheel 131 and a driven wheel 132, the driving wheel 131 and the driven wheel 132 are both arranged at the bottom of the vehicle frame 11, and the driving mechanism 12 is arranged on the vehicle body front plate 111 and connected with the driving wheel 131; the driving mechanism 12 comprises a driving motor 121, a speed reducer 122, a bevel gear assembly 123 and a connecting shaft 124, the speed reducer 122 and the driving motor 121 are installed on the front plate 111 of the vehicle body, the driving motor 121 is connected with the speed reducer 122, an output shaft of the speed reducer 122 is connected with the bevel gear assembly 123, the bevel gear assembly 123 is connected with the connecting shaft 124, two ends of the connecting shaft 124 are respectively connected with a driving wheel 131, the driving mechanism 12 can drive the driving wheel 131 to rotate through rotation, the driving wheel 131 can drive a driven wheel 132 to rotate through rotation, and therefore movement of the welding vehicle body 1 is achieved. The X-axis moving mechanism 311 is provided with four screw nut bases 3113 along the direction from front to back, each screw nut base 3113 is provided with a fine adjustment mechanism 32, each welding gun fine adjustment mechanism 32 is provided with a welding gun clamping mechanism 4, furthermore, a limit sensor is provided on a slide rail 322 slide block close to the vehicle body front plate 111, a corresponding roller slide block 323 is provided with an induction blocking piece, when the rod portion 15 contacts a steel bar, the roller slide block 323 can drive a spring movable plate 3252 to compress the spring, at this time, the moving directions of the screw nut base 3113 and the middle ball screw 3114 are consistent, but the moving direction of the roller slide block 323 is opposite to that of the middle ball screw 3114 due to the action of the bottom portion against the rod portion 15. At this time, the roller block 323 moves in a direction approaching the limit sensor, and when the sensing stopper on the roller block 323 passes the limit sensor, the X-axis moving mechanism 311 stops operating.

In addition, a first limiting shell 125 is arranged below the speed reducer 122, an output shaft of the speed reducer 122 can pass through the first limiting shell 125 to be connected with the bevel gear assembly 123, a second limiting shell 127 is arranged on the periphery of the first limiting shell 125, the second limiting shell 127 is fixedly mounted on the front plate 111 of the vehicle body through bolts, a protrusion 126 is arranged on the outer side wall of the first limiting shell 125, and a limiting sliding groove 128 matched with the protrusion 126 is arranged on the inner wall of the second limiting shell 127; the whole type that is down "L" of limit chute 128, including vertical spout and horizontal spout, horizontal spout is located the top of vertical spout, is provided with the handle bolt on the second casing, and the twist grip bolt enables the handle bolt and removes so that handle bolt butt is on first limit casing 125 towards the direction that is close to first limit casing 125, thereby the twist grip bolt also enables the handle bolt and removes the direction that makes the handle bolt keep away from first limit casing 125 towards the direction of keeping away from first limit casing 125. Under the condition that the handle bolt is not in contact with the first limiting shell 125, the lifting driving motor 121 enables the protrusion 126 on the outer side wall of the first limiting shell 125 to firstly move upwards along the vertical sliding groove and then move the motor to one side, so that the protrusion 126 moves into the transverse sliding groove, and therefore two bevel gears in the bevel gear assembly 123 can be disengaged.

In order to improve welding stability of welding automobile body 1, welding automobile body 1 in this embodiment still includes chucking mechanism 5, it is concrete, chucking mechanism 5 sets up in frame 11 bottom, chucking mechanism 5 is including promoting cylinder 51, push rod 52 and dog 53, promote cylinder 51 through linking bridge fixed mounting in the bottom of frame 11, push rod 52 is connected with promoting cylinder 51, dog 53 is connected with push rod 52, promoting cylinder 51 can drive dog 53 through push rod 52 and follow the reinforcing bar length direction reciprocating motion that treats welding between two prefabricated cement boards. As long as the welding car body 1 stops to weld, the side wall of the prefabricated cement board is propped through the clamping mechanism 5, so that the overall stability of the trolley is enhanced.

In addition, referring to fig. 13 and 14, the invention provides an efficient welding system based on precast concrete slab reinforcement welding, which comprises a loading vehicle body 7, a carrying vehicle body 6 and the efficient automatic welding device based on precast concrete slab reinforcement welding, wherein the loading vehicle body 7 is connected with the carrying vehicle body 6, and the loading vehicle body 7 can drag the carrying vehicle body 6 to move.

Load automobile body 7 including loading frame 11 and the removal wheel of setting in loading frame 11 bottom, be provided with the first rack 71 that is used for placing the gas pitcher 8 on loading frame 11 and be used for placing a wire feeder 9, welding source/electric welding machine 10's second rack 72, first rack 71 and second rack 72 set up side by side along the length direction who loads automobile body 7, be formed with a plurality of gas pitcher 8 storage tanks that are used for placing gas pitcher 8 on the first rack 71, there is a wire feeder 9 backup pad on the second rack 72, wire feeder 9 installs in wire feeder 9 backup pad, the below of wire feeder 9 backup pad is provided with the accommodation space that is used for placing welding source/electric welding machine 10.

The carrying vehicle body 6 comprises a carrying frame 11 and travelling wheels arranged at the bottom of the carrying frame 11, and a carrying space for placing the welding vehicle body 1 is formed on the carrying frame 11; the carrying frame 11 comprises a bottom plate and three side plates connected with the bottom plate, the three side plates are a left side plate, a front side plate and a right side plate which are connected in sequence, two ends of the front side plate are respectively provided with a first pressing mechanism 61, and the bottom plate is provided with a second pressing mechanism 62.

An electrical control box 14 is further provided on the frame 11 of the welded vehicle body 1, and a control unit of the three-dimensional movement mechanism 31, a welding gun unit, and the like are provided in the electrical control box 14. The electric appliance control box 14 is installed on the vehicle body rear plate 113 and is close to one side of the Y-axis driving motor 121 and the Z-axis driving motor 121 of the three-dimensional movement mechanism 31, so that long-distance power lines can be reduced, and the neater and safer working environment can be ensured.

First hold-down mechanism 61 includes the extension board of being connected with the preceding curb plate, turning handle, clamp bolt and briquetting, wear to be equipped with clamp bolt on the extension board, clamp bolt's upper end is connected with turning handle, clamp bolt's lower extreme is fixed with the briquetting, turning handle can drive the briquetting downstream through clamp bolt so that briquetting compresses tightly welding automobile body 1, perhaps turns turning handle and can drive the briquetting upward movement through clamp bolt in order to relieve the briquetting and weld the compression state of automobile body 1.

As shown in fig. 15, the second pressing mechanism 62 includes a mounting seat 621, a hinged swing rod 622, a bolt handle 623 and a slider structure 624, a partial section of the bolt handle 623 is disposed inside the hinged swing rod 622 and a slider structure 624 is disposed on the periphery of the bolt handle 623 located inside the hinged swing rod 622, a sliding slot is disposed on the inner wall of the hinged swing rod 622, a sliding portion 6241 matched with the sliding slot is disposed on the slider structure 624, the hinged swing rod 622 is rotatably connected with the mounting seat 621, a pressing plate is disposed on the bolt handle 623 located outside the hinged swing rod 622, and the bolt handle 623 can be moved downward by rotating the bolt handle 623 so as to be matched with a threaded hole inside the hinged swing rod 622 and abut against the welded vehicle body 1; alternatively, turning the bolt handle 623 can move the bolt handle 623 upward to release the pressing state of the pressing plate against the welded vehicle body 1. The provision of the slider structure 624 also prevents the bolt handle 623 from sliding out of the hinged rocker 622 when moved upwardly. In addition, the hinged swing link 622 can rotate relative to the mounting seat 621, thereby facilitating the movement of the welded vehicle body 1 onto the loading vehicle body 6. In this embodiment, there are two first hold-down mechanism 61, a second hold-down mechanism 62, can be better fix welding automobile body 1 on carrying automobile body 6 through first hold-down mechanism 61 and second hold-down mechanism 62 to produce when rocking when passing through uneven road or bumping, cause welding automobile body 1's damage.

As shown in fig. 16, when the welding of the reinforcement of the prefabricated concrete panels is performed, the driving pulley 131 and the driven pulley 132 of the welding vehicle body 1 are seated on the vertical side walls of the adjacent prefabricated concrete panels; the welding vehicle body 1 moves to a working area, and the pushing cylinder 51 is controlled to fix the welding vehicle body 1 between two prefabricated cement plates, so that the welding vehicle body 1 stably works without moving in the front, back, left and right directions; before the steel bar welding, the welding gun head on the welding gun clamping device is positioned at the corresponding steel bar welding seam through the actions of the three-dimensional movement mechanism 31 and the fine adjustment mechanism 32; driving the Y-axis driving motor 121 to move the Y-axis slider 3125 of the Y-axis moving mechanism 312 along the Y-axis direction, which is the same as the length direction of the weld seam in this embodiment, and the Z-axis direction refers to the vertical height direction; after welding of a group of steel bars is finished, the push rod 52 is contracted by the push cylinder 51, and the whole welding system is moved to the next working interval until the last group of steel bars is welded; after the welding work of the prefabricated concrete slab steel bars is finished, the push rod 52 is controlled to contract, the welding vehicle body 1 is moved to the carrying vehicle body 6, and the welding vehicle body 1 is fixed through the first pressing mechanism 61 and the second pressing mechanism 62 on the carrying vehicle body 6; and starting the loading vehicle body 7, and moving the whole welding system to the next prefabricated cement board to be welded. It should be noted that if each group of steel bars to be welded is less than four pairs, the welding guns not participating in the steel bar welding work can be flexibly controlled to be stopped.

Example 2:

the difference between the present embodiment and embodiment 1 is the fine adjustment mechanism, referring to fig. 17 to 22, the high-efficiency automatic welding device based on welding of the precast concrete slab reinforcing steel bars provided in the present embodiment includes a welding vehicle body 1, a cable clamping mechanism 2, a welding gun adjustment mechanism 3, and a welding gun clamping mechanism 4, where the welding gun adjustment mechanism 3 and the cable clamping mechanism 2 are both disposed on the welding vehicle body 1, and the welding gun clamping mechanism 4 is connected to the welding gun adjustment mechanism 3.

The welding gun adjusting mechanism 3 comprises a three-dimensional movement mechanism 31 and a fine adjustment mechanism 32, the three-dimensional movement mechanism 31 is installed on the welding vehicle body 1, the fine adjustment mechanism 32 is connected with the three-dimensional movement mechanism 31, the fine adjustment mechanism 32 comprises a slide rail connecting block 321 ', a first sliding table shell 322 ', a changeover plate structure and a second sliding table shell 323 ', the slide rail connecting block 321 ' is installed on the three-dimensional movement mechanism 31, the first sliding table shell 322 ' is arranged on the slide rail connecting block 321 ', the first sliding table shell 322 ' is connected with the changeover plate structure through a vertical sliding table lead screw 324 ', the changeover plate structure is connected with the second sliding table shell 323 ' through an electric lead screw 325 ', the welding gun clamping mechanism 4 is detachably installed on the second sliding table shell 323 ', and the electric lead screw 325 ' is connected with a lead screw driving part 326 '; the rotation of the vertical sliding table lead screw 324 ' can drive the second sliding table shell 323 ' and the welding gun clamping mechanism 4 arranged on the second sliding table shell 323 ' to move up and down through the adapter plate structure; the driving part drives the electric lead screw 325 ' to rotate so as to drive the second sliding table housing 323 ' and the welding gun clamping mechanism 4 mounted on the second sliding table housing 323 ' to move along the horizontal direction. After the three-dimensional movement mechanism 31 drives the fine adjustment mechanism 32 and the welding gun clamping mechanism 4 installed on the fine adjustment mechanism 32 to move to a preset position, the position of the welding gun clamping mechanism can be adjusted by adjusting the transverse sliding table lead screw or/and the electric lead screw 325'.

The slide rail connecting block 321 ' of the fine adjustment mechanism 32 is mounted on the screw nut base 3113, the adapter plate structure comprises a first adapter plate and a second adapter plate, the first sliding table shell 322 ' is connected with the first adapter plate through a vertical sliding table screw 324 ', the first adapter plate is connected with the second adapter plate, and the vertical sliding table screw 324 ' can drive the second sliding table shell 323 ' and the welding gun clamping mechanism 4 to move up and down through the adapter plate structure in a rotating manner; the second adapter plate is connected with the second sliding table shell 323 'through an electric lead screw 325', and the electric lead screw 325 'rotates to drive the second sliding table shell 323' and the welding gun clamping mechanism 4 to move along the horizontal direction.

In addition, the welding device in the embodiment further comprises a laser sensor 16 and a PLC, wherein the laser sensor 16 is connected with the PLC, and the PLC is electrically connected with the driving part; the driving part comprises a motor and a steering adjusting structure, the steering adjusting structure in the embodiment adopts a bevel gear structure to realize direction conversion, the motor is connected with an electric screw 325' through the steering adjusting structure, the laser sensor 16 is arranged on the welding gun clamping mechanism 4 and can detect the position deviation between a welding gun on the welding gun clamping mechanism 4 and a welding seam to be welded and send a detection signal to the PLC, and the PLC can control the rotation of the motor according to the detection signal.

In this embodiment, the three-dimensional movement mechanism 31 is used to make the welding gun head to be operated be located at the position of the corresponding weld joint of the steel bar to be welded as much as possible, and if a small amount of deviation exists, the vertical sliding table screw 324 'and the electric screw 325' in the fine adjustment mechanism 32 can be adjusted to make the welding gun just located at the position of the weld joint of the steel bar.

The welding gun clamping mechanism 4 in the embodiment comprises an installation part 41 and a welding gun clamping part, wherein the upper part of the installation part 41 is provided with a long slotted hole 411, and the installation part 41 passes through the long slotted hole 411 through a connecting piece to form detachable connection with a slide rail connecting block 321'; the position of the welding gun clamping part in the vertical direction can be adjusted through the arrangement of the long slotted hole 411, so that the longitudinal fine adjustment distance is supplemented.

As shown in fig. 22, when the welding of the reinforcement bars of the prefabricated concrete panels is performed, the driving pulley 131 and the driven pulley 132 of the welding vehicle body 1 are seated on the vertical side walls of the adjacent prefabricated concrete panels; starting the driving mechanism 12 to drive the vehicle body moving mechanism 13 to weld the vehicle body 1 to a working area, and fixing the welded vehicle body 1 between two prefabricated cement plates by pushing the air cylinder 51, so that the welded vehicle body 1 stably works without moving in the front, back, left and right directions; before the steel bar welding, the welding gun head needing to work is positioned at the welding seam of the corresponding steel bar to be welded as much as possible through the three-dimensional movement mechanism 31, and if a small amount of deviation exists, the welding gun can be just positioned at the welding seam of the steel bar by adjusting a vertical sliding table lead screw 324' and an electric lever in the fine adjustment mechanism 32; then, driving a Y-axis driving motor 3121 to enable a Y-axis slider 3125 of the Y-axis movement mechanism 312 to drive the welding gun to move along the Y-axis direction, wherein the Y-axis direction in the embodiment is consistent with the length direction of the welding seam; after welding of a group of steel bars is finished, the push rod 52 is contracted by the push cylinder 51, and the whole welding system is moved to the next working interval until the last group of steel bars is welded; after the welding work of the prefabricated concrete slab steel bars is finished, the push rod 52 is controlled to contract, the welding vehicle body 1 is moved to the carrying vehicle body 6, and the welding vehicle body 1 is fixed through the first pressing mechanism 61 and the second pressing mechanism 62 on the carrying vehicle body 6; and starting the loading vehicle body 7, and moving the whole welding system to the next prefabricated cement board to be welded. It should be noted that if each set of steel bars to be welded is less than four pairs, the welding guns not participating in the steel bar welding work can be flexibly controlled to be shut down.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An efficient automatic welding device based on the welding of prefabricated cement plate steel bars is characterized by comprising a welding vehicle body, a cable clamping mechanism, a welding gun adjusting mechanism and a welding gun clamping mechanism, wherein,

the welding gun adjusting mechanism and the cable clamping mechanism are both arranged on the welding vehicle body, the welding gun clamping mechanism is connected with the welding gun adjusting mechanism, and the welding gun adjusting mechanism can drive the welding gun clamping mechanism and a welding gun on the welding gun clamping mechanism to move to a welding seam position to be welded;

2. The automatic welding device based on welding of the prefabricated cement plate steel bars as claimed in claim 1, wherein the welding gun adjusting mechanism comprises a three-dimensional moving mechanism and a fine adjustment mechanism, the three-dimensional moving mechanism is mounted on the welding vehicle body, the fine adjustment mechanism is connected with the three-dimensional moving mechanism, the three-dimensional moving mechanism drives the fine adjustment mechanism and the welding gun clamping mechanism mounted on the fine adjustment mechanism to move to a preset position, and then the fine adjustment mechanism can adjust the welding gun clamping mechanism to enable a welding gun on the welding gun clamping mechanism to align to a welding seam position to be welded.

3. The high-efficiency automatic welding device based on the precast concrete plate steel bar welding according to claim 2, it is characterized in that the three-dimensional motion mechanism comprises an X-axis motion mechanism, a Y-axis motion mechanism and a Z-axis motion mechanism, the Y-axis movement mechanism is arranged on the welding vehicle body, the Z-axis movement mechanism is connected with the Y-axis movement mechanism, the X-axis motion mechanism is connected with the Z-axis motion mechanism, the Y-axis motion mechanism can drive the X-axis motion mechanism and the Z-axis motion mechanism to move along the Y-axis direction, the Y-axis direction is consistent with the length direction of the welding seam, the Z-axis motion mechanism can drive the X-axis motion mechanism to move up and down, the X-axis motion mechanism is connected with the fine adjustment mechanism and can drive the fine adjustment mechanism to move along the X-axis direction so as to adjust the position of the welding gun on the welding gun clamping mechanism.

4. The automatic welding device based on the welding of the precast concrete slab steel bars as claimed in claim 3, wherein the Y-axis movement mechanism comprises a Y-axis driving motor, a first Y-axis base, a second Y-axis base, a Y-axis synchronous belt, a Y-axis slider and a Y-axis coupler, the first Y-axis base and the second Y-axis base are respectively arranged on two opposite sides of the welding carriage body, the Y-axis synchronous belt is arranged on the corresponding first Y-axis base and the second Y-axis base through a synchronous wheel, the Y-axis driving motor is connected with the synchronous wheel on the first Y-axis base and can drive the synchronous belt on the first Y-axis base to move through the synchronous wheel, the Y-axis coupler is arranged between the first Y-axis base and the second Y-axis base, one end of the Y-axis coupler is connected with the Y-axis driving motor through the synchronous wheel on the first Y-axis base, the other end of the Y-axis sliding block is connected with a synchronizing wheel on the second Y-axis base, the Y-axis sliding block is arranged on the corresponding Y-axis synchronizing belt and can drive the Y-axis sliding block to reciprocate, a Z-axis motion mechanism is arranged on the Y-axis sliding block and can drive the Z-axis motion mechanism to reciprocate along the Y-axis direction;

x axle motion includes X axle base, X axle driving motor, lead screw nut base and X axle slider, X axle base includes two guide rails and middle ball, two parallel arrangement about the guide rail just installs on the Z axle slider, lead screw nut base with ball is connected just between lead screw nut base passes through X axle slider and slides on the guide rail, X axle driving motor with ball is connected and can pass through ball drives lead screw nut base along the length direction reciprocating motion of guide rail, install on the lead screw nut base fine-tuning.

5. The automatic welding device based on welding of precast concrete slab steel bars as claimed in claim 4, characterized in that the fine adjustment mechanism comprises a slide rail connection plate, a slide rail, a roller block, a rolling bearing and an elastic adjustment assembly, the slide rail connection plate is connected with the lead screw nut base, the slide rail is mounted on the slide rail connection plate, the rolling bearing is connected with the roller block, the roller block is connected with the slide rail in a sliding manner through the rolling bearing, the welding gun clamping device is detachably connected to the roller block, the elastic adjustment assembly is mounted on the slide rail, a rod part is arranged at the lower part of the welding gun clamping mechanism, the three-dimensional movement mechanism drives the welding gun clamping mechanism to move towards the direction close to the steel bar to be welded so as to enable the rod part to abut against the side part of the steel bar to be welded, and the three-dimensional movement mechanism continues to drive the welding gun clamping mechanism to move while the steel bar to be welded can prevent the steel bar to be welded from abutting against the side part of the steel bar to be welded The welding gun clamping device moves, and the elastic adjusting assembly is in a compressed state;

6. The automatic welding device based on the welding of the prefabricated cement plate reinforcing steel bars as claimed in claim 4, wherein the fine adjustment mechanism comprises a slide rail connecting block, a first sliding table shell, an adapter plate structure and a second sliding table shell, the slide rail connecting block is mounted on the three-dimensional movement mechanism, the first sliding table shell is arranged on the slide rail connecting block, the first sliding table shell is connected with the adapter plate structure through a vertical sliding table screw rod, the adapter plate structure is connected with the second sliding table shell through an electric screw rod, the welding gun clamping mechanism is detachably mounted on the second sliding table shell, and the electric screw rod is connected with a screw rod driving part; the rotation of the vertical sliding table lead screw can drive the second sliding table shell and a welding gun clamping mechanism arranged on the second sliding table shell to move up and down through the adapter plate structure; the driving part drives the electric lead screw to rotate so as to drive the second sliding table shell and a welding gun clamping mechanism arranged on the second sliding table shell to move along the horizontal direction;

7. The automatic welding device based on the welding of the precast concrete slab steel bars as claimed in claim 5, wherein the welding gun clamping mechanism comprises an installation part and a welding gun clamping part, a long slotted hole is formed in the upper part of the installation part, and the installation part passes through the long slotted hole through a connecting piece to be detachably connected with the roller sliding block; the welding gun clamping part is fixedly arranged at the lower part of the mounting part and comprises a first welding gun supporting seat and a second welding gun supporting seat, the first welding gun supporting seat is fixed on the mounting part, the second welding gun supporting seat is detachably connected with the first welding gun supporting seat, and a clamping opening capable of placing a welding gun head is formed between the first welding gun supporting seat and the second welding gun supporting seat;

8. The automatic welding device based on the welding of the precast concrete slab steel bars as claimed in claim 7, wherein the frame comprises a vehicle body front plate, a vehicle body right plate, a vehicle body rear plate and a vehicle body left plate which are connected in sequence, the support frame is fixed on the vehicle body right plate through a bolt, and the first X-axis base and the second X-axis base are transversely arranged above the vehicle body left plate and the vehicle body right plate;

a first limiting shell is arranged below the speed reducer, an output shaft of the speed reducer can penetrate through the first limiting shell to be connected with the bevel gear assembly, a second limiting shell is arranged on the periphery of the first limiting shell, the second limiting shell is fixedly mounted on the front plate of the vehicle body through bolts, a protrusion is arranged on the outer side wall of the first limiting shell, and a limiting sliding groove matched with the protrusion is arranged on the inner wall of the second limiting shell; the whole type that is down "L" of spacing spout, including vertical spout and horizontal spout, horizontal spout is located the top of vertical spout, be provided with the handle bolt on the spacing casing of second, rotate the handle bolt enables the handle bolt orientation is close to the direction of first spacing casing removes so that the handle bolt butt is in on the first spacing casing.

9. The automatic welding device based on welding of the prefabricated cement plates and the steel bars is characterized in that the welding vehicle body further comprises a clamping mechanism, the clamping mechanism is arranged at the bottom of the vehicle frame and comprises a pushing cylinder, a push rod and a stop block, the pushing cylinder is fixedly installed at the bottom of the vehicle frame through a connecting support, the push rod is connected with the pushing cylinder, the stop block is connected with the push rod, and the pushing cylinder can drive the stop block to reciprocate along the length direction of the steel bars to be welded between the two prefabricated cement plates through the push rod.

10. The high-efficiency welding system based on the welding of the prefabricated cement plate steel bars is characterized by comprising a loading vehicle body, a carrying vehicle body and the high-efficiency automatic welding device based on the welding of the prefabricated cement plate steel bars, wherein the loading vehicle body is connected with the carrying vehicle body, and the loading vehicle body can drag the carrying vehicle body to move;