Spot welding machine with automatic feeding device

Abstract

The utility model discloses a spot welding machine with an automatic feeding device, which comprises an automatic spot welding machine, a circular electric welding lifting platform is mounted on one side of the outer surface of the automatic spot welding machine, and a circular plate is mounted on one side of the outer surface of the circular electric welding lifting platform through a roller bearing. The three end corners of the outer surface of the circular plate are each fixedly installed on an electric welding gun fixing base, and an electric welding gun is fixed to the interior of each electric welding gun fixing base. The three end corners of the outer surface of the circular plate located in the circular electric welding lifting table are each provided with a storage groove, a positioning block is arranged in each storage groove, and the two sides of the outer surface of each positioning block are each fixedly provided with a sliding block connected with the circular plate in a sliding mode. According to the utility model, the welding gun on the electric welding machine can be quickly replaced when the welding gun is used for too many times or breaks down, and the situation that the processing efficiency of equipment is delayed due to the fact that the automatic spot welding machine temporarily stops working due to the fault of the electric welding gun can be prevented through the technical scheme.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field, concretely is a spot welding machine with automatic feeding device. BACKGROUND

[0002] Spot welding machine is a kind of resistance welding equipment for sheet metal or wire, it is heated and melted by electrode to apply pressure and current to contact surface, so as to realize the connection of metal parts. Spot welding machine is widely used in automobile, aviation, electronics, household appliances, building, metal furniture and other industries;

[0003] And the spot welding machine with automatic feeding device is an automatic spot welding equipment, it improves production efficiency and reduces manual operation by integrating automatic feeding system, the system includes rack, mold frame, longitudinal driving mechanism, transverse driving mechanism, longitudinal servo positioning system, transverse servo positioning system and control cabinet, rack at least includes longitudinal rail and transverse rail, the fixed device for fixing the welded object is arranged on mold frame, and longitudinal roller and transverse roller are arranged, control cabinet drives driving mechanism to work according to the position information fed back by servo positioning system, so as to drive the welding object to walk along the rail to the corresponding welding position, this kind of spot welding machine supports automatic feeding, automatic welding, automatic conversion station, automatic angle adjustment, automatic measurement, automatic marking, automatic discharge and other functions, and can greatly improve spot welding processing efficiency.

[0004] But when the welding torch of the spot welding machine with automatic feeding device spot welds about 10000 points, the surface of the welding head will accumulate oxides, dirt and residual flux, these substances will damage the welding head, cause poor welding, or make the welding head heat conduction, tin function decline, therefore, when the welding torch spot welds about 10000 points or the welding torch fails to continue to use, it needs to be disassembled to maintain or repair, and in this process, the spot welding machine cannot continue to work, thereby delaying the processing efficiency of the equipment, therefore, it does not meet the existing demand, and we propose a spot welding machine with automatic feeding device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a spot welding machine with automatic feeding device to solve the problems in the above background that when the welding torch of the spot welding machine with automatic feeding device spot welds about 10000 points, the surface of the welding head will accumulate oxides, dirt and residual flux, these substances will damage the welding head, cause poor welding, or make the welding head heat conduction, tin function decline, therefore, when the welding torch spot welds about 10000 points or the welding torch fails to continue to use, it needs to be disassembled to maintain or repair, and in this process, the spot welding machine cannot continue to work, thereby delaying the processing efficiency of the equipment.

[0006] To achieve the above object, the utility model provides following technical scheme: a spot welding machine with automatic feeding device, automatic spot welding machine, one side of the outer surface of automatic spot welding machine is installed with round electric welding lifting platform, one side of the outer surface of round electric welding lifting platform is installed with round plate through roller bearing, three end angles of the outer surface of round plate are all fixedly installed to electric welding gun fixed seat, the inside of each electric welding gun fixed seat is fixed with electric welding gun;

[0007] Three end angles of the outer surface of the round plate in the round electric welding lifting platform are each equipped with a receiving groove, the inside of the receiving groove is equipped with a positioning block, the two sides of the outer surface of the positioning block are each fixedly equipped with a sliding block connected to the round plate through sliding, and one side of the outer surface of the sliding block is connected with a spring;

[0008] The outer side of the bottom end of the positioning block is equipped with a positioning groove in the round electric welding lifting platform, the two sides of the outer surface of the positioning block in the positioning groove are each a first inclined surface, and the positions of the three positioning grooves correspond to the positions of the three electric welding guns.

[0009] Preferably, a single lever cylinder is fixedly installed at the middle position of the inside of the round plate in the round electric welding lifting platform, the piston rod of the single lever cylinder is fixedly connected with a pushing block, three end angles of the outer side of the pushing block are each equipped with a fixed rod, and the surface of the fixed rod facing the pushing block is a second inclined surface.

[0010] Preferably, the bottom end of the fixed rod is movably inserted into the inside of the positioning block, one side of the bottom end of the fixed rod is equipped with a fixed groove in the inner wall of the positioning groove, and the position of the fixed rod corresponds to the position of the fixed groove.

[0011] Preferably, one side of the outer surface of the top end of the fixed rod is fixedly sleeved with a metal ring, and the surface of the metal ring facing the nearest positioning block is connected with a reset spring sleeved on the outer surface of the fixed rod.

[0012] Preferably, the outer surface of the fixed rod is attached to the inner wall of the positioning block, and the fixed rod and the positioning block are connected through sliding.

[0013] Preferably, one side of the round electric welding lifting platform is equipped with a control panel fixedly installed on the outer surface of the automatic spot welding machine, and the automatic spot welding machine and the single lever cylinder are electrically connected to the automatic spot welding machine.

[0014] Preferably, the front of the three fixed rods is equipped with a round cover plate on the outer surface of the round plate, and the round plate and the round cover plate are fixed through screws.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a circular plate's outer surface is equipped with three electric welding guns, when needing to use automatic spot welder to carry out spot welding work, through automatic spot welder to push down circular plate, through the electric welding gun of the most lower part carries out spot welding work, when the electric welding gun of the most lower part has broken down or spot welded ten thousand times, can directly rotate circular plate to this to interchange the position of three electric welding guns on the outer surface of circular plate, to this to move another electric welding gun to the most lower part and carry out spot welding work, when the work of a day ends, to the off -duty time, the electric welding gun of breakdown or spot welding ten thousand times is taken down and is maintained to it, through above technical scheme can prevent automatic spot welder because of the breakdown of electric welding gun and temporarily stop work, thereby delaying the equipment processing efficiency condition occurs;

[0017] 2. The utility model discloses through in the process of rotating circular plate, the position of three positioning blocks on the outer surface of circular plate also will change when moving to the most lower part and using a new electric welding gun, three positioning blocks will be respectively clamped into the inside of three positioning slots, to this to carry out positioning to the angle of electric welding gun, through above technical scheme can ensure the accuracy of the angle of electric welding gun that moves to the most lower part. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the utility model;

[0019] Figure 2 It is the internal structure front view of the utility model;

[0020] Figure 3 It is the utility model Figure 2 The structure enlarged view of A place in;

[0021] Figure 4 It is the internal structure side view of A place in the utility model Figure 2

[0022] In the drawing: 1, automatic spot welder;2, control panel;3, circular electric welding lifting platform;4, circular plate;5, electric welding gun fixed base;6, electric welding gun;7, storage groove;8, positioning block;9, first inclined plane;10, positioning groove;11, sliding block;12, spring;13, fixed groove;14, fixed rod;15, single lever pneumatic cylinder;16, push block;17, second inclined plane;18, return spring;19, metal ring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] ​The automatic spot welding machine 1 (model number 1731928542859824), the spring 12 (model number JX110) and the single lever cylinder 15 (model number TN10) mentioned in the utility model can be obtained by market purchase or private customization.

[0025] Please refer to Figures 1 to 4 The utility model provides an embodiment: a spot welding machine with automatic feeding device, including automatic spot welding machine 1, the one side of automatic spot welding machine 1 outer surface installs circular electric welding lifting platform 3, the one side of circular electric welding lifting platform 3 outer surface is installed with circular plate 4 through roller bearing, three end angles of circular plate 4 outer surface are all fixedly installed in an electric welding gun fixed base 5, the inside of each electric welding gun fixed base 5 is fixed with an electric welding gun 6;

[0026] Three end angles of the outer surface of the circular plate 4 located inside the circular electric welding lifting platform 3 are each provided with a receiving groove 7, the receiving groove 7 is provided with a positioning block 8 inside, the two sides of the outer surface of the positioning block 8 are each fixedly provided with a sliding block 11 connected with the circular plate 4 in sliding mode, and the side of the outer surface of the sliding block 11 is connected with a spring 12;

[0027] The outer side of the bottom end of the positioning block 8 is provided with a positioning groove 10 located inside the circular electric welding lifting platform 3, the two sides of the outer surface of the positioning block 8 located inside the positioning groove 10 are each a first inclined surface 9, and the positions of the three positioning grooves 10 correspond to the positions of the three electric welding guns 6 respectively.

[0028] One side of the circular electric welding lifting platform 3 is provided with a control panel 2 fixedly installed on the outer surface of the automatic spot welding machine 1, and the automatic spot welding machine 1 and the single lever cylinder 15 are electrically connected with the automatic spot welding machine 1; the automatic spot welding machine 1 and the single lever cylinder 15 can be controlled through the control panel 2;

[0029] When the automatic spot welding machine 1 needs to be used for spot welding work, the circular plate 4 is pushed downward by the automatic spot welding machine 1, and spot welding work is performed by the electric welding gun 6 located at the lowermost position; when the electric welding gun 6 located at the lowermost position fails or is used for 10,000 times of spot welding, the circular plate 4 is directly manually rotated, when the circular plate 4 is rotated, the angle of the electric welding gun 6 inside the electric welding gun fixed base 5 fixed to the outer surface of the circular plate 4 will also change, at this time, another electric welding gun 6 is moved to the lowermost position for spot welding work; when a day's work is finished, at the end of working hours, the electric welding gun 6 that fails or is used for 10,000 times of spot welding is disassembled and maintained or repaired, through the above technical scheme, the automatic spot welding machine 1 can be prevented from temporarily stopping work due to the failure of the electric welding gun 6, so that the situation of delaying equipment processing efficiency is avoided;

[0030] When the circular plate 4 rotates, the positioning blocks 8 located inside the receiving grooves 7 on the outer surface of the positioning blocks 8 will be pushed out of the inside of the first inclined surfaces 9 due to the positioning grooves 10 located on the outer surface of the positioning blocks 8, and when the positioning blocks 8 move out of the inside of the first inclined surfaces 9, the sliding blocks 11 fixed thereto will move together and press the springs 12, and after a new electric welding gun 6 is moved to the lowermost position, the three positioning blocks 8 will be moved to positions corresponding to the three first inclined surfaces 9, and then the positioning blocks 8 can be pushed outwards by the reaction force of the springs 12 that are pressed, so as to clamp the top end of the positioning blocks 8 into the inside of the positioning grooves 10, and the three positioning blocks 8 and the three positioning grooves 10 can prevent the deviation of the angle of the electric welding gun 6 moved to the lowermost position.

[0031] A single-rod cylinder 15 is fixedly installed at the middle position inside the circular plate 4 located inside the circular electric welding lifting platform 3, the piston rod of the single-rod cylinder 15 is fixedly connected with a pushing block 16, three end angles of the outer side of the pushing block 16 are each provided with a fixed rod 14, and the surface of the fixed rod 14 facing the pushing block 16 is a second inclined surface 17; the bottom end of the fixed rod 14 is movably inserted into the inside of the positioning block 8, one side of the bottom end of the fixed rod 14 is provided with a fixed groove 13 located on the inner wall of the positioning groove 10, and the position of the fixed rod 14 corresponds to the position of the fixed groove 13; a metal ring 19 is fixedly sleeved on one side of the outer surface of the top end of the fixed rod 14, and the surface of the metal ring 19 facing the nearest positioning block 8 is connected with a return spring 18 sleeved on the outer surface of the fixed rod 14; the outer surface of the fixed rod 14 is in close contact with the inner wall of the positioning block 8, and the fixed rod 14 is slidably connected with the positioning block 8; after the replacement of the electric welding gun 6 is completed, the single-rod cylinder 15 is started to push the pushing block 16 forward, and as the pushing block 16 moves, the pushing block 16 will contact the second inclined surface 17 located on the outer surface of the fixed rod 14 and push the fixed rod 14 outward, and as the fixed rod 14 moves, the bottom end of the fixed rod 14 will be inserted into the inside of the fixed groove 13 located on the inner wall of the positioning groove 10, and by inserting the three fixed rods 14 into the inside of the three fixed grooves 13 respectively, the circular plate 4 as a whole can be fixed to prevent the circular plate 4 from rotating due to impact force during spot welding work, and the stability of the structure as a whole is achieved through the above technical solution.

[0032] When the fixed rod 14 is pushed outward, the metal ring 19 fixed thereto will move outward together and press the return spring 18, and before the electric welding gun 6 is replaced, the pushing block 16 is pulled back to the original position by the single-rod cylinder 15, and in the process of moving to the original position, the fixed rod 14 can be gradually pushed back to the original position by the reaction force of the return spring 18 that is pressed, so as to release the fixation of the circular plate 4.

[0033] The front of the three fixed rods 14 is provided with a circular cover plate located on the outer surface of the circular plate 4, and the circular plate 4 and the circular cover plate are fixed through screws; the internal structure of the circular plate 4 can be protected through the circular cover plate, and when the internal structure of the circular plate 4 fails, the circular cover plate can be disassembled for maintenance.

[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A spot welding machine with an automatic feeding device, comprising an automatic spot welding machine (1), characterized in that: A circular welding lifting platform (3) is installed on one side of the outer surface of the automatic spot welding machine (1). A circular plate (4) is installed on one side of the outer surface of the circular welding lifting platform (3) via roller bearings. The three corners of the outer surface of the circular plate (4) are fixedly installed on a welding gun fixing seat (5). A welding gun (6) is fixed inside each welding gun fixing seat (5). A storage groove (7) is provided at each of the three corners of the outer surface of the circular plate (4) located inside the circular welding lifting platform (3). A positioning block (8) is provided inside the storage groove (7). A slider (11) is fixed on both sides of the outer surface of the positioning block (8) and is slidably connected to the circular plate (4). A spring (12) is connected to one side of the outer surface of the slider (11). The bottom end of the positioning block (8) is provided with a positioning groove (10) located inside the circular electric welding lifting platform (3). Both sides of the outer surface of the positioning block (8) located inside the positioning groove (10) are first inclined surfaces (9), and the positions of the three positioning grooves (10) correspond to the positions of the three electric welding guns (6).

2. A spot welding machine with an automatic feeding device according to claim 1, characterized in that: A single-cylinder cylinder (15) is fixedly installed in the middle of the circular plate (4) inside the circular welding lifting platform (3). The piston rod of the single-cylinder cylinder (15) is fixedly connected to a push block (16). A fixing rod (14) is provided at each of the three corners of the outer side of the push block (16), and the surface of the fixing rod (14) facing the push block (16) is a second inclined surface (17).

3. A spot welding machine with an automatic feeding device according to claim 2, characterized in that: The bottom end of the fixing rod (14) is movably inserted into the interior of the positioning block (8). A fixing groove (13) located on the inner wall of the positioning groove (10) is provided on one side of the bottom end of the fixing rod (14), and the position of the fixing rod (14) corresponds to the position of the fixing groove (13).

4. A spot welding machine with an automatic feeding device according to claim 3, characterized in that: A metal ring (19) is fixedly sleeved on one side of the outer surface of the top end of the fixed rod (14), and a return spring (18) sleeved on the outer surface of the fixed rod (14) is connected to the surface of the metal ring (19) facing the nearest positioning block (8).

5. A spot welding machine with an automatic feeding device according to claim 3, characterized in that: The outer surface of the fixing rod (14) is in contact with the inner wall of the positioning block (8), and the fixing rod (14) and the positioning block (8) are slidably connected.

6. A spot welding machine with an automatic feeding device according to claim 1, characterized in that: The circular welding lifting platform (3) has a control panel (2) fixedly installed on the outer surface of the automatic spot welding machine (1) on one side, and the automatic spot welding machine (1) and the single-cylinder (15) are electrically connected to the automatic spot welding machine (1).

7. A spot welding machine with an automatic feeding device according to claim 2, characterized in that: A circular cover plate is provided in front of the three fixing rods (14) on the outer surface of the circular plate (4), and the circular plate (4) and the circular cover plate are fixed together by screws.

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