CN111618393A

CN111618393A - Automatic welding machine for metal plates

Info

Publication number: CN111618393A
Application number: CN202010564884.9A
Authority: CN
Inventors: 余洪文
Original assignee: Hangzhou Xiake Machinery Technology Co ltd
Current assignee: Hangzhou Xiake Machinery Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-09-04

Abstract

An automatic welding machine for metal plates comprises a base, wherein a welding box is fixedly arranged at the upper end of the base, two conveying mechanisms are arranged at the left end of the welding box, one conveying mechanism is arranged at the right end of the welding box and comprises a first supporting plate, a second supporting plate and a limiting plate which are fixedly arranged at the upper end of the base, the metal plates are placed on the equipment, the equipment can automatically drive the metal plates to advance through rollers and electrify the metal plates, the junctions of the electrified welding rods and the metal plates are contacted for welding, the welding speed is adjusted by adjusting the moving speed of the plates in the equipment, the equipment can automatically recover welding rod remainders after the welding rods are used up, automatically replace the welding rods and continue to perform welding operation, the equipment can automatically collect winding waste gas and discharge the winding waste gas in the welding process, and workers only need to take the welded plates away from the rear end of the equipment, the welding quality of the metal plates is guaranteed, the exhaust emission is reduced, the safety of workers is guaranteed, and the working efficiency is greatly improved.

Description

Automatic welding machine for metal plates

Technical Field

The invention relates to the technical field of metal plate processing, in particular to an automatic welding machine for metal plates.

Background

Usually, two metal plates are welded together, positive and negative poles of an electric welding machine are respectively connected to a welding rod and a welding workpiece through an electric welder, the contact of the welding rod and the welded workpiece can enable a circuit to be short-circuited instantly, high-temperature electric arcs are generated between the welding rod and the welding workpiece when the circuit is short-circuited, the welding rod and the welding workpiece are locally heated to a molten state through excessive electric arc heat, the molten welding workpiece and the welding rod form a metal liquid together, the quality of the welding quality and the appearance degree of a welding seam are directly determined by the quality of the electric welder, although fish scale welding is not the best, certain technology accumulation is needed when the electric welder needs to weld the metal plates, and the quality of a welding part can be caused if the technology of the electric welder is not high enough, and the invention is improved.

Disclosure of Invention

The invention aims to provide an automatic welding machine for metal plates, which overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to an automatic welding machine for metal plates, which comprises a base, wherein a welding box is fixedly arranged at the upper end of the base, two conveying mechanisms are arranged at the left end of the welding box, one conveying mechanism is arranged at the right end of the welding box, the conveying mechanism comprises a first supporting plate, a second supporting plate and a limiting plate which are fixedly arranged at the upper end of the base, a conveying shaft which penetrates through the limiting plate and the second supporting plate in the front-back direction and is rotatably arranged in the first supporting plate is rotatably arranged in the limiting plate, a conveying motor is fixedly arranged at the rear end of the second supporting plate, a driving shaft is rotatably arranged at the rear end of the conveying motor, a conveying belt pulley is connected with the driving shaft, four driving rollers are symmetrically and fixedly arranged on the conveying shaft in the front-back direction by taking the limiting plate as a symmetric center, the upper ends of the driving rollers, A driven shaft positioned above the conveying shaft is rotatably arranged between the conveying shafts, two rollers which are symmetrical in front and back are fixedly arranged on the driven shaft, and three first supporting plates, limiting plates and second supporting plates which are contained in the three conveying mechanisms are fixedly arranged at the upper end of the base; a welding cavity is fixedly arranged in the welding box, two rotating shafts are rotatably arranged on the front wall and the rear wall of the welding cavity, four supporting rollers are symmetrically and fixedly arranged on each rotating shaft in a front-back manner, the upper ends of the supporting rollers are in contact with the lower end of the metal plate, a telescopic motor is fixedly arranged at the left end of the top wall of the welding cavity, a telescopic rod is fixedly arranged at the lower end of the telescopic motor, a mounting plate is fixedly arranged at the lower end of the telescopic rod, a rotating motor is fixedly arranged at the front end of the mounting plate, a motor shaft is rotatably arranged at the front end of the rotating motor, a driving gear is fixedly arranged at the front end of the motor shaft, a material changing shaft penetrating through the mounting plate in the front-back manner is rotatably arranged on the mounting plate, a transmission gear meshed with the driving gear is fixedly arranged at the front end, the welding rod waste is stored in the collecting cavity, a connecting groove which penetrates through the right wall of the collecting cavity from left to right is fixedly arranged on the right wall of the collecting cavity, a welding rod groove is fixedly arranged in the electric welding box, a spring cavity is fixedly arranged in the electric welding box, a conductive block is slidably arranged in the spring cavity, a reset spring is connected between the conductive block and the top wall of the spring cavity, a power supply is fixedly arranged on the rear wall of the welding cavity, a second lead is fixedly arranged at the left end of the power supply, the upper end of the second lead is fixedly arranged at the upper end of the conductive block, two conductive plate springs are fixedly arranged on the rear wall of the welding cavity, a conductive plate is fixedly arranged at the front end of each conductive plate spring, a conductive rod is fixedly arranged at the upper end of each conductive plate; an electric welding bar cavity is fixedly arranged on the top wall of the welding cavity, a second fixed block is arranged in the electric welding bar cavity and comprises a welding core and a coating wrapped outside the welding core, and the bottom end of the electric welding bar cavity is opened left and right; furthermore, two first fixing rods are fixedly arranged on the rear wall of the welding cavity, an air supply N-shaped pipe is fixedly arranged in each first fixing rod, an air extractor is fixedly arranged on the lower side of the left end of each air supply N-shaped pipe, a washing air cavity is fixedly arranged between the front wall and the rear wall of the welding cavity, washing air is stored in each washing air cavity, the lower side of the right end of each air supply N-shaped pipe extends into the washing air, and an air outlet pipeline is fixedly arranged on the upper end of each washing air cavity.

Furthermore, conducting block right-hand member fixed connection pole, the connecting rod right-hand member is fixed and is equipped with the connecting plate, the fixed tight chamber that is located of clamp in welding rod groove upper end that is equipped with in the electric welding case, it is equipped with the stripper plate to slide in pressing from both sides tight chamber, press from both sides tight chamber diapire with five springs are connected and are equipped with between the stripper plate, be equipped with between two adjacent springs one run through from top to bottom in press from both sides the tight block groove of tight chamber diapire, the stripper plate lower extreme is fixed and is equipped with four and is located the tight block of.

Further, fixed reloading motor, the backup pad of reloading of being equipped with on the outer wall of electric welding strip chamber right side, the rotation of reloading motor front end is equipped with the reloading axle, the rotation of reloading backup pad front end is equipped with the pivot, it is equipped with the belt pulley of reloading to connect between reloading axle, pivot, the fixed reloading gear that is equipped with in the pivot, the meshing of reloading gear lower extreme is equipped with the left end and stretches into rack in the electric welding strip chamber.

Further, fixed gravity ball groove and the intercommunication of being equipped with in the electric welding case gravity ball groove with the guide way in welding rod groove, it is equipped with five gravity balls to slide in the gravity ball groove slide in the guide way and be equipped with the plastic pole, the plastic pole right-hand member stretches into in the gravity ball groove, just the gravity ball groove right-hand member is fixed be equipped with slide set up in the baffle in the gravity ball groove.

Furthermore, a second fixed block is fixedly arranged on the left wall of the welding cavity, a third fixed block is fixedly arranged on the top wall of the welding cavity, and a second lead penetrates through the second fixed block and the third fixed block to be connected to the upper end of the conductive block.

Further, the conductive block is made of a conductive material.

The invention has the beneficial effects that: lay the metal sheet on equipment, equipment can be automatic drives the metal sheet through the running roller and gos forward, and lead to the electricity with the metal sheet, weld electrified welding rod contact metal sheet juncture, panel removal rate adjusts welding rate through adjustment device, equipment can automatic recovery welding rod clout after the welding rod is tried out, and automatic with trading the welding rod, continue to carry out weldment work, among the welding process, equipment can automatic collection entangle the waste gas, and discharge after handling, the staff only need with the good panel of welding take away from the equipment rear end can, not only guaranteed metal sheet welded quality, reduce exhaust emission guarantee workman's safety, work efficiency has still been improved greatly.

Drawings

In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 1 at C;

FIG. 5 is a schematic view of the structure of FIG. 1 at D;

fig. 6 is a schematic diagram of the structure at E in fig. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to the accompanying drawings 1-6, the automatic welding machine for metal plates comprises a base 10, wherein a welding box 22 is fixedly arranged at the upper end of the base 10, two transport mechanisms 99 are arranged at the left end of the welding box 22, one transport mechanism 99 is arranged at the right end of the welding box 22, the transport mechanism 99 comprises a first support plate 11, a second support plate 24 and a limit plate 15 which are fixedly arranged at the upper end of the base 10, a conveying shaft 12 penetrates through the limit plate 15 and the second support plate 24 before and after the limit plate 15 is rotatably arranged in the limit plate 15 and is rotatably arranged in the first support plate 11, a conveying motor 20 is fixedly arranged at the rear end of the second support plate 24, a driving shaft 19 is rotatably arranged at the rear end of the conveying motor 20, the driving shaft 19 is connected with a conveying belt pulley 18 through the conveying shaft 12, four driving rollers 13 are symmetrically and fixedly arranged on the conveying shaft 12 with the limit plate 15 as a symmetry, the upper end of the driving roller 13 contacts the bottoms of the two metal plates 25, a driven shaft 21 positioned above the conveying shaft 12 is rotatably arranged between the second supporting plate 24 and the conveying shaft 12, two rollers 14 which are symmetrical in the front-back direction are fixedly arranged on the driven shaft 21, and three first supporting plates 11, limiting plates 15 and second supporting plates 24 which are contained in the three conveying mechanisms 99 are fixedly arranged at the upper end of the base 10; the welding box 22 is internally and fixedly provided with a welding cavity 23, two rotating shafts 27 are rotatably arranged on the front wall and the rear wall of the welding cavity 23, four supporting rollers 28 are symmetrically and fixedly arranged on each rotating shaft 27 in a front-back manner, the upper ends of the supporting rollers 28 are in contact with the lower end of the metal plate 25, a telescopic motor 39 is fixedly arranged at the left end of the top wall of the welding cavity 23, a telescopic rod 40 is fixedly arranged at the lower end of the telescopic motor 39, a mounting plate 41 is fixedly arranged at the lower end of the telescopic rod 40, a rotating motor 42 is fixedly arranged at the front end of the mounting plate 41, a motor shaft 44 is rotatably arranged at the front end of the rotating motor 42, a driving gear 43 is fixedly arranged at the front end of the motor shaft 44, a material changing shaft 46 which penetrates through the mounting plate 41 from front to back is rotatably arranged on the mounting plate 41, the lower end of the connecting block 47 is fixedly provided with an electric welding box 81, the left lower end of the electric welding box 81 is fixedly provided with a collecting cavity 48, welding rod waste materials 49 are stored in the collecting cavity 48, the right wall of the collecting cavity 48 is fixedly provided with a connecting groove 51 which penetrates through the right wall of the collecting cavity 48 from left to right, a welding rod groove 80 is fixedly arranged in the electric welding box 81, a spring cavity 53 is fixedly arranged in the electric welding box 81, a conductive block 52 is slidably arranged in the spring cavity 53, the conductive block 52 is connected with the top wall of the spring cavity 53 and provided with a return spring 54, the rear wall of the welding cavity 23 is fixedly provided with a power supply 32, the left end of the power supply 32 is fixedly provided with a second lead 50, the upper end of the second lead 50 is fixedly arranged at the upper end of the conductive block 52, the rear wall of the welding cavity 23 is fixedly provided with two conductive plate springs 16, the front end of the spring 16 is fixedly provided with a conductive, the conducting rod 30 is connected with the power supply 32 and provided with a first conducting wire 31; an electric welding bar cavity 67 is fixedly arranged on the top wall of the welding cavity 23, a second fixing block 78 is arranged in the electric welding bar cavity 67, the second fixing block 78 comprises a welding core 70 and a coating 69 wrapped outside the welding core 70, and the bottom end of the electric welding bar cavity 67 is left and right opened; beneficially, two first fixing rods 35 are fixedly arranged on the rear wall of the welding cavity 23, an air supply N-shaped pipe 34 is fixedly arranged in each first fixing rod 35, an air extractor 33 is fixedly arranged on the lower side of the left end of each air supply N-shaped pipe 34, a gas washing cavity 36 is fixedly arranged between the front wall and the rear wall of the welding cavity 23, gas washing liquid 37 is stored in the gas washing cavity 36, the lower side of the right end of each air supply N-shaped pipe 34 extends into the gas washing liquid 37, and an air outlet pipeline 38 is fixedly arranged at the upper end of the gas washing cavity 36.

Advantageously, a connecting rod 59 is fixed at the right end of the conductive block 52, a connecting plate 60 is fixedly arranged at the right end of the connecting rod 59, a clamping cavity 62 located at the upper end of the welding rod groove 80 is fixedly arranged in the electric welding box 81, a pressing plate 61 is slidably arranged in the clamping cavity 62, five springs 63 are connected between the bottom wall of the clamping cavity 62 and the pressing plate 61, a clamping block groove 64 vertically penetrating through the bottom wall of the clamping cavity 62 is arranged between two adjacent springs 63, and four clamping blocks 65 located between the two adjacent springs 63 are fixedly arranged at the lower end of the pressing plate 61.

Beneficially, a material changing motor 72 and a material changing support plate 75 are fixedly arranged on the outer wall of the right side of the welding rod cavity 67, a material changing shaft 73 is rotatably arranged at the front end of the material changing motor 72, a rotating shaft 76 is rotatably arranged at the front end of the material changing support plate 75, a material changing belt pulley 74 is connected between the material changing shaft 73 and the rotating shaft 76, a material changing gear 77 is fixedly arranged on the rotating shaft 76, and a rack 71 with the left end extending into the welding rod cavity 67 is arranged at the lower end of the material changing gear 77 in a meshed mode.

Advantageously, a gravity ball groove 66 and a guide groove 55 communicating the gravity ball groove 66 with the welding rod groove 80 are fixedly arranged in the electric welding box 81, five gravity balls 58 are slidably arranged in the gravity ball groove 66, a plastic rod 56 is slidably arranged in the guide groove 55, the right end of the plastic rod 56 extends into the gravity ball groove 66, and a baffle 57 slidably arranged in the gravity ball groove 66 is fixedly arranged at the right end of the gravity ball groove 66.

Advantageously, a second fixing block 78 is fixedly arranged on the left wall of the welding cavity 23, a third fixing block 79 is fixedly arranged on the top wall of the welding cavity 23, and the second lead 50 passes through the second fixing block 78 and the third fixing block 79 and is connected to the upper end of the conductive block 52.

Advantageously, the conductive block 52 is a conductive material.

The working steps are as follows: the metal plate is arranged between the driving roller 13 and the roller 14 at the leftmost end of the equipment, the part of the metal plate 25 to be welded is positioned on a straight line below the welding rod groove 80, the equipment automatically drives the metal plate 25 to move leftwards, the conductive plate 17 is contacted with the metal plate 25, the power supply 32 is used for electrifying the metal plate 25 at the rear end of the first lead 31 and the conductive rod 30, the welding core 70 at the left end of the welding rod 68 in the welding rod groove 80 is contacted with the conductive block 52 for electrifying, and the telescopic motor 39 is started to enable the electric welding box 81 to descend to weld the metal plate 25; in the welding process, the air extractor 33 is started, toxic gas generated by welding is introduced into the gas washing liquid 37 in the gas washing cavity 36 through the gas supply N-shaped pipe 34 for gas washing, and finally, the treated gas is discharged through the gas outlet pipeline 38; after the welding rod 68 in the welding box 81 is used up, the telescopic motor 39 is started to drive the telescopic rod 40 to contract, the rotating motor 42 is started to drive the electric welding box 81 to rotate around the material changing shaft 46, the gravity ball 58 in the gravity ball groove 66 slides downwards, the baffle 57 is pressed downwards through gravity, so that the conductive block 52 is jacked up, the extrusion plate 61 is jacked upwards at the same time, the extrusion on the waste material of the welding rod 68 in the welding rod groove 80 is released, the waste material of the welding rod 68 in the welding rod groove 80 slides downwards to enter the collection cavity 48 through the connecting groove 51, the rotating motor 42 is started to drive the electric welding box 81 to rotate around the material changing shaft 46, the conductive block 52 is reset, the material changing motor 72 is started to drive the rotating shaft 76 to rotate through the rotating material changing shaft 73, so as to drive the material changing gear 77 to rotate, the rack 71 meshed with the material changing gear 77 moves downwards to the left, the welding rod 68 at the lowest end in the welding rod cavity 67, the welding rod 68 in the welding rod groove 80 is clamped by the clamping block 65, and after the welding rod 68 is added, the material changing motor 72 rotates reversely to drive the rack 71 to move upwards and rightwards, so that the welding rod 68 in the welding rod cavity 67 descends; after the follow-up replacement of the welding rod 68 is finished, the rotating motor 42 is started, the electric welding box 81 is driven to rotate clockwise to a proper angle around the material replacing shaft 46, the telescopic motor 39 is started, the telescopic rod 40 is extended to drive the mounting plate 41 to move downwards, and the welding work of the metal plate 25 is continued; after the end of the welding, the worker removes the welded metal plate 25 from the right end of the apparatus.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sheet metal automatic weld machine which characterized in that: a conveying shaft which penetrates through the limiting plate and the second supporting plate from front to back and is rotatably arranged in the first supporting plate is rotatably arranged in the limiting plate, a conveying motor is fixedly arranged at the rear end of the second supporting plate, a driving shaft is rotatably arranged at the rear end of the conveying motor, the driving shaft is connected with the conveying shaft and is provided with a conveying belt pulley, four driving rollers are symmetrically and fixedly arranged on the conveying shaft from front to back by taking the limiting plate as a symmetry center, the upper ends of the driving rollers are contacted with the bottoms of the two metal plates, a driven shaft positioned above the conveying shaft is rotatably arranged between the second supporting plate and the conveying shaft, two rollers which are symmetrical from front to back are fixedly arranged on the driven shaft, and three first supporting plates, limiting plates and second supporting plates which are contained in the three conveying mechanisms are all; a welding cavity is fixedly arranged in the welding box, two rotating shafts are rotatably arranged on the front wall and the rear wall of the welding cavity, four supporting rollers are symmetrically and fixedly arranged on each rotating shaft in a front-back manner, the upper ends of the supporting rollers are in contact with the lower end of the metal plate, a telescopic motor is fixedly arranged at the left end of the top wall of the welding cavity, a telescopic rod is fixedly arranged at the lower end of the telescopic motor, a mounting plate is fixedly arranged at the lower end of the telescopic rod, a rotating motor is fixedly arranged at the front end of the mounting plate, a motor shaft is rotatably arranged at the front end of the rotating motor, a driving gear is fixedly arranged at the front end of the motor shaft, a material changing shaft penetrating through the mounting plate in the front-back manner is rotatably arranged on the mounting plate, a transmission gear meshed with the driving gear is fixedly arranged at the front end, the welding rod waste is stored in the collecting cavity, a connecting groove which penetrates through the right wall of the collecting cavity from left to right is fixedly arranged on the right wall of the collecting cavity, a welding rod groove is fixedly arranged in the electric welding box, a spring cavity is fixedly arranged in the electric welding box, a conductive block is slidably arranged in the spring cavity, a reset spring is connected between the conductive block and the top wall of the spring cavity, a power supply is fixedly arranged on the rear wall of the welding cavity, a second lead is fixedly arranged at the left end of the power supply, the upper end of the second lead is fixedly arranged at the upper end of the conductive block, two conductive plate springs are fixedly arranged on the rear wall of the welding cavity, a conductive plate is fixedly arranged at the front end of each conductive plate spring, a conductive rod is fixedly arranged at the upper end of each conductive plate; the fixed electric welding strip chamber that is equipped with on the welding chamber roof, the second fixed block has been placed in the electric welding strip chamber, the second fixed block include the core wire with the coating of the outside parcel of core wire, opening about the electric welding strip chamber bottom.

2. An automatic welding machine of metal sheets according to claim 1, characterized in that: the welding cavity comprises a welding cavity and is characterized in that two first fixing rods are fixedly arranged on the rear wall of the welding cavity, an air supply N-shaped pipe is fixedly arranged in each first fixing rod, an air extractor is fixedly arranged on the lower side of the left end of each air supply N-shaped pipe, a gas washing cavity is fixedly arranged between the front wall and the rear wall of the welding cavity, gas washing liquid is stored in each gas washing cavity, the lower side of the right end of each air supply N-shaped pipe extends into the gas washing liquid, and an air outlet pipeline is fixedly arranged on the upper end.

3. An automatic welding machine of metal sheets according to claim 1, characterized in that: the welding rod is characterized in that a connecting rod is fixed to the right end of the conductive block, a connecting plate is fixedly arranged at the right end of the connecting rod, a clamping cavity located at the upper end of the welding rod groove is fixedly arranged in the electric welding box, an extrusion plate is arranged in the clamping cavity in a sliding mode, five springs are arranged between the bottom wall of the clamping cavity and the extrusion plate in a connecting mode, one clamping block groove which penetrates through the bottom wall of the clamping cavity from top to bottom is formed between every two adjacent springs, and four clamping blocks located between every two adjacent springs are fixedly arranged at the lower end of.

4. An automatic welding machine of metal sheets according to claim 1, characterized in that: the fixed reloading motor, the backup pad of reloading that is equipped with on the outer wall of electric welding strip chamber right side, the rotation of reloading motor front end is equipped with the reloading axle, the rotation of reloading backup pad front end is equipped with the pivot, the connection is equipped with the reloading belt pulley between reloading axle, pivot, the fixed reloading gear that is equipped with in the pivot, the meshing of reloading gear lower extreme is equipped with the left end and stretches into rack in the electric welding strip chamber.

5. An automatic welding machine of metal sheets according to claim 1, characterized in that: the electric welding box is fixedly provided with a gravity ball groove and a communicating part, the gravity ball groove is communicated with the guide groove of the welding rod groove, five gravity balls are arranged in the gravity ball groove in a sliding mode, a plastic rod is arranged in the guide groove in a sliding mode, the right end of the plastic rod stretches into the gravity ball groove, and the right end of the gravity ball groove is fixedly provided with a baffle which is arranged in the gravity ball groove in a sliding mode.

6. An automatic welding machine of metal sheets according to claim 1, characterized in that: a second fixed block is fixedly arranged on the left wall of the welding cavity, a third fixed block is fixedly arranged on the top wall of the welding cavity, and a second lead penetrates through the second fixed block and the third fixed block to be connected to the upper end of the conductive block.

7. An automatic welding machine of metal sheets according to claim 1, characterized in that: the conductive block is made of a conductive material.