Welding machine for welding medium plate

Abstract

The utility model relates to the technical field of welding machines, in particular to a welding machine for welding medium plates, which comprises a welding gun, a fixed mounting plate is fixedly sleeved on the surface of the welding gun, a mounting hole is arranged on the surface of the fixed mounting plate, a screw rod is movably inserted in the mounting hole, a movable mounting plate is fixed at one end of the screw rod, and the movable mounting plate is fixed at the other end of the screw rod. The other end of the screw extends out of the mounting hole and is in threaded connection with a nut; the device has the beneficial effects that the tempered glass cover is clamped between the fixed mounting plate and the movable mounting plate, the sizes of the fixed mounting plate and the movable mounting plate are small, shielding to the sight of an operator is reduced as much as possible, the tempered glass cover is made of transparent tempered glass, the sight of the operator cannot be shielded, and the service life of the operator is prolonged. Therefore, when the welding machine for welding the medium and thick plates carries out welding slag sputtering prevention protection on a welding gun and an operator, the sight of the operator cannot be greatly shielded, and the operator can conveniently observe a welding position.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding machine, concretely to a welding machine for medium plate welding. BACKGROUND

[0002] Welding machine refers to the electric appliance that provides the power supply of certain characteristics for welding, and welding is widely used in various industrial fields such as aerospace, ship, automobile and container due to the advantages of flexible, simple, convenient, firm and reliable, and even the same strength as the base material after welding, and the welding machine is very widely used at present and can weld thin plate, medium plate, medium thick plate and thick plate.

[0003] In the prior art, the patent file with the application number 202223586761.9 discloses a welding machine for medium plate welding, which comprises a welding machine body and a connecting line, the other end of the connecting line is electrically connected with a welding gun, the surface of the welding gun is fixed with a mounting shell, the inner cavity of the mounting shell is provided with a moving plate, and the surface of the moving plate is provided with a first through hole; the utility model changes the angle between the welding gun and the handle by rotating the handle, so that the worker only needs to adjust the angle of the welding gun when the welding angle needs to be adjusted, which not only ensures the accurate position during welding, but also facilitates the worker to weld, and the mounting shell and the moving plate can block the welding slag during welding, which not only increases the aesthetics of the welding gun, but also avoids the influence of the welding slag on the use of the welding gun, and solves the problem that the welding machine cannot adjust the angle of the welding gun during use, and the welding slag affects the aesthetics of the welding gun.

[0004] However, the welding machine for medium plate welding in the prior art blocks the line of sight of the operator to a large extent when welding, which is not conducive to the observation of the welding position by the operator, and is prone to insufficient welding strength or welding through phenomenon. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a welding machine for medium plate welding to solve the problems in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding machine for medium plate welding, comprising: a welding gun, a fixed mounting plate is fixedly sleeved on the surface of the welding gun, an installation hole is formed in the surface of the fixed mounting plate, a screw rod is movably inserted into the installation hole, a movable mounting plate is fixed to one end of the screw rod, a nut is connected to the other end of the screw rod through screw threads, a tempered glass cover is sleeved on the surface of the welding gun, and the fixed mounting plate and the movable mounting plate are respectively arranged on the two symmetrical end faces of the tempered glass cover.

[0007] Preferably, a positioning hole is formed in the surface of the tempered glass cover, and the screw rod is movably inserted into the positioning hole.

[0008] Preferably, a gasket is sleeved on the surface of the screw, one end of the gasket abuts against the surface of the fixed mounting plate, and the other end of the gasket abuts against the surface of the nut.

[0009] Preferably, the fixed mounting plate and the movable mounting plate are both in the form of rectangular plate bodies, the mounting holes and the screws are both provided in a plurality of groups, and the plurality of groups of mounting holes and screws are both distributed in a circumferential manner about the welding gun.

[0010] Preferably, a lock plate assembly mounting plate is fixed on the surface of the fixed mounting plate, the lock plate assembly mounting plate is in the form of a rectangular plate body, and a pull rod hole is formed in the surface of the lock plate assembly mounting plate.

[0011] Preferably, the pull rod hole is in the form of a circular hole, and a pull rod is movably inserted into the pull rod hole.

[0012] Preferably, the pull rod is in the form of a rectangular rod body, one end of the pull rod is fixed with a lock plate, the other end of the pull rod is fixed with a pull ring, and a lock spring is sleeved on the rod body of the pull rod.

[0013] Preferably, the lock plate is in the form of a rectangular plate body, and one end of the lock plate away from the pull rod abuts against the surface of the nut.

[0014] Preferably, one end of the lock spring abuts against the surface of the lock plate, and the other end of the lock spring abuts against the surface of the lock plate assembly mounting plate.

[0015] Compared with the prior art, the welding machine for plate welding has the following beneficial effects:

[0016] The welding machine for plate welding provided by the utility model, before welding is performed by using the welding machine, the tempered glass cover is sleeved on the welding gun, then the plurality of groups of screws on the surface of the movable mounting plate are respectively inserted through the plurality of groups of positioning holes on the surface of the tempered glass cover and the plurality of groups of mounting holes on the surface of the fixed mounting plate, then the nuts and the gaskets are installed on the screws, so that the tempered glass cover is clamped between the fixed mounting plate and the movable mounting plate, the volume of the fixed mounting plate and the movable mounting plate is relatively small, the shielding of the line of sight of the operator is reduced as much as possible, the tempered glass cover is made of transparent tempered glass and cannot shield the line of sight of the operator, so that the welding machine for plate welding can protect the welding gun and the operator from being splashed by welding slag and also cannot greatly shield the line of sight of the operator, and the operator can conveniently observe the welding position. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the welding gun;

[0019] Figure 3 It is Figure 2Structure schematic view of the middle A is enlarged;

[0020] Figure 4 The utility model discloses a section structure schematic view is shown;

[0021] Figure 5 For Figure 4 Structure schematic view of the middle B is enlarged.

[0022] In the drawing: welding torch 1, fixed mounting plate 2, mounting hole 3, screw rod 4, mobile mounting plate 5, toughened glass cover 6, nut 7, gasket 8, anti-loosening assembly mounting plate 9, pull rod hole 10, pull rod 11, anti-loosening plate 12, anti-loosening spring 13, pull ring 14, positioning hole 15. DETAILED DESCRIPTION

[0023] In order to make the utility model purposes, technical scheme carry out clearly, completely describe, and the advantage is more clear and distinct, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is the utility model a part of embodiment, instead of all the embodiment, just to explain the utility model embodiment, and is not used to limit the utility model embodiment, the ordinary skill in the art person who obtains all other embodiments without doing the creative labor is under the premise, belongs to the range of protection of the utility model.

[0024] Embodiment one: please refer to Figures 1-5 The utility model provides a kind of technical scheme: a welding machine for plate welding, comprising: welding torch 1, the surface of welding torch 1 is sleeved and is fixed with fixed mounting plate 2, installation hole 3 is set on the surface of fixed mounting plate 2, screw rod 4 is movably inserted in installation hole 3, mobile mounting plate 5 is fixed to one end of screw rod 4, the other end of screw rod 4 is extended installation hole 3 and is connected by screw thread and is installed with nut 7, the surface of welding torch 1 is sleeved with toughened glass cover 6, fixed mounting plate 2 and mobile mounting plate 5 are respectively on the two end faces of toughened glass cover 6 symmetry and rest, positioning hole 15 is set on the surface of toughened glass cover 6, screw rod 4 is movably inserted in positioning hole 15, gasket 8 is sleeved on the surface of screw rod 4, one end of gasket 8 is on the surface of fixed mounting plate 2 and rest, the other end of gasket 8 is on the surface of nut 7 and rest, fixed mounting plate 2 and mobile mounting plate 5 are all rectangular plate body structure, installation hole 3 and screw rod 4 are all provided with several groups, and several groups installation hole 3 and screw rod 4 are about welding torch 1 and are distributed in circle.

[0025] In actual use, before welding with the welding machine, the tempered glass cover 6 is sleeved on the welding gun 1, then a plurality of groups of screw rods 4 on the surface of the movable mounting plate 5 are respectively inserted through a plurality of groups of positioning holes 15 on the surface of the tempered glass cover 6 and a plurality of groups of mounting holes 3 on the surface of the fixed mounting plate 2, then nuts 7 and washers 8 are mounted on the screw rods 4, so that the tempered glass cover 6 is clamped between the fixed mounting plate 2 and the movable mounting plate 5, the volume of the fixed mounting plate 2 and the movable mounting plate 5 is relatively small, the shielding of the operator's view is reduced as much as possible, the tempered glass cover 6 is made of transparent tempered glass and does not shield the operator's view, so that the welding machine for medium plate welding can protect the welding gun and the operator from the splash of welding slag and does not shield the operator's view too much, which is convenient for the operator to observe the welding position.

[0026] In the embodiment one, in order to prevent the threaded connection between the nut 7 and the screw rod 4 from loosening, a lock assembly mounting plate 9 is fixed on the surface of the fixed mounting plate 2, the lock assembly mounting plate 9 is in a rectangular plate body structure, a pull rod hole 10 is formed in the surface of the lock assembly mounting plate 9, the pull rod hole 10 is in a circular hole structure, a pull rod 11 is movably inserted into the pull rod hole 10, the pull rod 11 is in a rectangular rod body structure, one end of the pull rod 11 is fixed with a lock plate 12, the other end of the pull rod 11 is fixed with a pull ring 14, a lock spring 13 is sleeved on the rod body of the pull rod 11, the lock plate 12 is in a rectangular plate body structure, one end of the lock plate 12 away from the pull rod 11 abuts against the surface of the nut 7, one end of the lock spring 13 abuts against the surface of the lock plate 12, the other end of the lock spring 13 abuts against the surface of the lock assembly mounting plate 9.

[0027] Before the installation of the nut 7, the washer 8 is sleeved on the screw rod 4, then the pull ring 14 is pulled away from the screw rod 4, the pull ring 14 pulls one end of the pull rod 11 out of the pull rod hole 10, the pull rod 11 drives the lock plate 12 to move towards the lock assembly mounting plate 9, so that the lock spring 13 which is originally in a compressed state is further compressed, then the nut 7 is screwed, after the nut 7 is screwed to one end abutting against the surface of the washer 8, the nut 7 is continuously screwed in the tightening direction, so that the washer 8 is compressed, after one side plane of the nut 7 is aligned with the lock plate 12, the screwing of the nut 7 is stopped and the pull ring 14 is loosened, the lock spring 13 pushes the lock plate 12 under the elastic force of itself, so that the lock plate 12 is tightly pressed on the side plane of the nut 7 aligned with the lock plate 12, the screw rod 4 is fixed on the movable mounting plate 5 and cannot rotate, the nut 7 is tightly pressed by the lock plate 12 and cannot rotate, at the same time, the washer 8 is compressed and generates a reaction force on the nut 7, so that the friction between the threads of the screw rod 4 and the nut 7 is increased, through the larger friction between the threads of the screw rod 4 and the nut 7 and the tight pressing of the lock plate 12 on the nut 7, the threaded connection between the screw rod 4 and the nut 7 cannot be loosened.

[0028] In actual use, before welding is performed using the welding machine, the tempered glass cover 6 is fitted on the welding torch 1, then the plurality of sets of threaded rods 4 on the surface of the movable mounting plate 5 are respectively passed through the plurality of sets of positioning holes 15 on the surface of the tempered glass cover 6 and the plurality of sets of mounting holes 3 on the surface of the fixed mounting plate 2, then the nuts 7 and the washers 8 are mounted on the threaded rods 4, so that the tempered glass cover 6 is clamped between the fixed mounting plate 2 and the movable mounting plate 5, the volume of the fixed mounting plate 2 and the movable mounting plate 5 is relatively small, the obstruction to the line of sight of the operator is reduced as much as possible, the tempered glass cover 6 is made of transparent tempered glass and does not obstruct the line of sight of the operator, which makes the welding machine for medium plate welding not only protect the welding torch and the operator from being splashed by welding slag, but also not greatly obstruct the line of sight of the operator, facilitating the observation of the operator on the welding position; before the nuts 7 are mounted, the washers 8 are first fitted on the threaded rods 4, then the pull ring 14 is pulled away from the threaded rods 4, the pull rod 11 is pulled out from the pull rod hole 10, the pull rod 11 drives the lock plate 12 to move towards the lock assembly mounting plate 9, the lock spring 13 which is originally in a compressed state is further compressed, then the nuts 7 are screwed, after the nuts 7 are screwed to one end and abut against the surface of the washers 8, the nuts 7 are continuously screwed in the tightening direction, so that the washers 8 are compressed, after one side plane of the nuts 7 is aligned with the lock plate 12, the nuts 7 are stopped from being screwed and the pull ring 14 is loosened, the lock plate 12 is pushed by the lock spring 13 under the elastic action of the lock spring 13, so that the lock plate 12 is compressed on the side plane of the nuts 7 which is aligned with the lock plate 12, the threaded rods 4 are fixed on the movable mounting plate 5 and cannot rotate, the nuts 7 are compressed by the lock plate 12 and cannot rotate, at the same time, the washers 8 are compressed and generate a reaction force on the nuts 7, so that the friction between the threads of the threaded rods 4 and the nuts 7 is increased, through the greater friction between the threads of the threaded rods 4 and the nuts 7 and the compression of the nuts 7 by the lock plate 12, the threaded connection between the threaded rods 4 and the nuts 7 cannot be loosened.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding machine for welding a plate, comprising: The utility model provides a welding torch (1), it is characterized by: the surface of welding torch (1) is sleeved and is equipped with fixed mounting plate (2), the surface of fixed mounting plate (2) is equipped with mounting hole (3), the movable insertion of screw rod (4) is inserted in mounting hole (3), one end of screw rod (4) is fixed with mobile mounting plate (5), the other end of screw rod (4) is stretched out mounting hole (3) and is equipped with nut (7) through screw connection, the surface of welding torch (1) is sleeved with toughened glass cover (6), and fixed mounting plate (2) and mobile mounting plate (5) are respectively placed on the both ends of symmetry of toughened glass cover (6).

2. A welding machine for welding a plate according to claim 1, characterized in that: The surface of the toughened glass cover (6) is provided with a positioning hole (15), and the screw rod (4) is movably inserted into the positioning hole (15).

3. A welding machine for welding a plate according to claim 2, characterized in that: The surface of the screw rod (4) is sleeved with a gasket (8), one end of the gasket (8) is placed on the surface of the fixed mounting plate (2), and the other end of the gasket (8) is placed on the surface of the nut (7).

4. A welding machine for welding a plate according to claim 1, characterized in that: The fixed mounting plate (2) and the mobile mounting plate (5) are both rectangular plate structures, the mounting hole (3) and the screw rod (4) are both provided with a plurality of groups, and the plurality of groups of mounting holes (3) and screw rods (4) are circumferentially distributed about the welding torch (1).

5. A welding machine for welding a plate according to claim 1, characterized in that: The surface of the fixed mounting plate (2) is fixed with a loosening component mounting plate (9), the loosening component mounting plate (9) is a rectangular plate structure, and a pull rod hole (10) is formed in the surface of the loosening component mounting plate (9).

6. A welding machine for welding a plate according to claim 5, characterized in that: The pull rod hole (10) is a circular hole structure, and a pull rod (11) is movably inserted into the pull rod hole (10).

7. A welding machine for welding a plate according to claim 6, characterized in that: The pull rod (11) is a rectangular rod structure, one end of the pull rod (11) is fixed with a loosening plate (12), the other end of the pull rod (11) is fixed with a pull ring (14), and a loosening spring (13) is sleeved on the rod body of the pull rod (11).

8. A welding machine for welding a plate according to claim 7, characterized in that: The loosening plate (12) is a rectangular plate structure, and one end of the loosening plate (12) away from the pull rod (11) is placed on the surface of the nut (7).

9. A welding machine for welding a plate according to claim 7, characterized in that: One end of the loosening spring (13) is placed on the surface of the loosening plate (12), and the other end of the loosening spring (13) is placed on the surface of the loosening component mounting plate (9).

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