CN215469118U

CN215469118U - Welding gun structure of surfacing equipment

Info

Publication number: CN215469118U
Application number: CN202121855373.9U
Authority: CN
Inventors: 许洪亮; 李建业
Original assignee: Suzhou Ouweilai Welding Technology Co ltd
Current assignee: Suzhou Ouweilai Welding Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-11
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to a welding gun structure of surfacing equipment, which comprises a fixed rod, wherein a movable sleeve is sleeved on one side of the outer part above the fixed rod, a threaded seat is arranged on one side of the upper part of the movable sleeve, a fastening bolt is connected inside the threaded seat, a handle is arranged on the outer part of the movable sleeve, an air guide pipe is connected on one side of the upper part of the fixed rod, a switch regulating valve is connected on one side of the air guide pipe, a clamping seat is fixedly connected at one end of the fixed rod, and a gun head is embedded and connected inside the clamping seat. According to the utility model, through arranging the fixed rod and the movable sleeve which can change the length, the length of the welding gun can be conveniently adjusted by a worker as required, the build-up welding of the inner wall of the valve is convenient, the temperature in the welding gun can be effectively reduced by matching the gas guide pipe with the first ventilation cavity and the second ventilation cavity, and the gas can be sprayed out from the gun head, so that the slag can be prevented from being attached to the gun mouth of the gun head, the performance of the welding gun is kept stable, and the service life of the welding gun is prolonged.

Description

Welding gun structure of surfacing equipment

Technical Field

The utility model relates to a welding gun structure of surfacing equipment, and belongs to the technical field of welding gun equipment.

Background

Surfacing is an economical and rapid process method for modifying the surface of materials, and is increasingly widely applied to manufacturing and repairing parts in various industrial departments. In order to most effectively exert the function of the overlay layer, it is desired to adopt an overlay welding method having a small dilution of the base material, a high deposition rate, and excellent overlay performance, i.e., an overlay welding technique of high quality, high efficiency, and low dilution rate. The cold welding surfacing equipment has the advantages of no deformation, no annealing, high welding strength and wear resistance after repairing the metal product workpiece. The metallurgical bonding of the welding material and the matrix can ensure the welding firmness through metallographic phase, tensile and hardness tests. The welding gun is a part for performing welding operation in the welding process, is a tool for gas welding, is shaped like a gun, is provided with a nozzle at the front end, and sprays high-temperature flame as a heat source. It is flexible, convenient and fast to use, and simple in process.

When using welder to build up welding to the valve inner wall, because valve length variation in size, when using the welder build-up welding, because welder's length is fixed to lead to welder to be difficult to stable to the operating angle when stretching into to valve inside, and, because the valve inside air mobility is relatively poor, when welding for a long time, the welder temperature can be higher than the temperature when ordinary operation, influences the stability and the life that welder used, consequently, needs a build-up welding equipment welder structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding gun structure of surfacing equipment, which is convenient for workers to adjust the length of a welding gun according to needs by arranging a fixed rod and a movable sleeve which can change the length, and convenient for surfacing on the inner wall of a valve, and the temperature in the welding gun can be effectively reduced by matching an air guide pipe with a first vent cavity and a second vent cavity, and because gas can be sprayed out from a gun head, slag can be prevented from being attached to a gun mouth of the gun head, so that the performance of the welding gun is kept stable, the service life of the welding gun is prolonged, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a build-up welding equipment welder structure, includes the dead lever, the removal sleeve has been cup jointed to the outside one side in dead lever top, removal sleeve top one side is equipped with the screw thread seat, screw thread seat internal connection has fastening bolt, the removal sleeve outside is equipped with the handle, dead lever top one side is connected with the air duct, air duct one side is connected with the switch control valve, dead lever one end fixedly connected with cassette, the inside embedding of cassette is connected with the rifle head, the inside one side of rifle head is equipped with the core wire, the core wire external connection has the stand pipe, the air duct outside is equipped with breather chamber one, the core wire with the stand pipe passes the cassette in proper order the dead lever with inside the removal sleeve, the inside breather chamber two that is equipped with of dead lever, breather chamber one with be connected with the air duct between the breather chamber two.

Furthermore, the bottom end of the air duct extends into the second ventilation cavity, an air vent is arranged on one side of the fixed rod, and two ends of the air vent are communicated with the second ventilation cavity and the inside of the gun head respectively.

Furthermore, the bottom end of the fastening bolt is abutted against the fixed rod, the surface of the fixed rod is provided with a plurality of spline shafts, spline grooves matched with the spline shafts are formed in the movable sleeve, and the movable sleeve is in sliding connection with the surface of the fixed rod.

Further, the handle is arranged at one end of the outer portion of the movable sleeve, and the handle is made of heat-insulating silica gel.

Furthermore, one side of the air duct is far away from one side of the handle, and the air duct is L-shaped or Z-shaped on the fixing rod.

Furthermore, the shape of the gun head is L-shaped, and the first vent groove extends into the gun head and is communicated with the external environment.

The utility model has the beneficial effects that:

1. through set up the movable sleeve on the dead lever, the movable sleeve can be on the dead lever back-and-forth movement, thereby can the distance of adjustment handle and rifle head, the holistic length of extension welder, the convenience carries out build-up welding work to the valve inner wall, fastening bolt and screw thread seat on the movable sleeve can be with the fixed position of movable sleeve after the position control of movable sleeve is accomplished, prevent that the position of movable sleeve from taking place the skew on the dead lever, the handle of using thermal-insulated silica gel preparation has good heat-proof quality, when the movable sleeve generates heat, can reduce the heat transfer of movable sleeve to the handle, reduce the temperature of handle, the staff's operation of being convenient for is used, prevent that the staff's hand from being scalded.

2. Through set up the air duct on the dead lever, and the inside cavity two of ventilating that is equipped with of dead lever, the stand pipe outside is equipped with the cavity one of ventilating, ventilate between cavity one and the cavity two of ventilating by the air channel intercommunication, when carrying out build-up welding work, can open the switch governing valve, make the air duct send into the cold air to the cavity one of ventilating inside, the cold air that gets into in the cavity one of ventilating can get into the cavity two inside of ventilating through the air channel, can get into the rifle head inside and from rifle head blowout through the air vent on the dead lever after the cold air gets into cavity two insides of ventilating, thereby can lead out the inside heat of welder, effectively reduce the temperature in the welder, improve welder's life, and can blow away the molten metal droplet that collapses scattered from rifle head spun gas, prevent that the molten metal from blockking up the rifle head, improve the life of rifle head.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a front view of a weld gun configuration of a build-up welding apparatus of the present invention;

FIG. 2 is a cross-sectional view of a weld gun configuration of a build-up welding apparatus of the present invention;

FIG. 3 is an enlarged view of the area A of the structure of the welding gun of the build-up welding apparatus of the present invention;

FIG. 4 is a connection diagram of a fixed rod and a movable sleeve of a welding gun structure of the surfacing welding equipment;

reference numbers in the figures: 1. fixing the rod; 2. moving the sleeve; 3. a threaded seat; 4. fastening a bolt; 5. a handle; 6. an air duct; 7. switching the regulating valve; 8. a card holder; 9. a gun head; 10. a core wire; 11. a guide tube; 12. a first ventilation cavity; 13. a second ventilation cavity; 14. a vent channel; 15. and (4) a vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a welding gun structure of surfacing equipment comprises a fixed rod 1, wherein a movable sleeve 2 is sleeved on one side of the outer portion of the upper portion of the fixed rod 1, a thread seat 3 is arranged on one side of the upper portion of the movable sleeve 2, a fastening bolt 4 is connected to the inner portion of the thread seat 3, a handle 5 is arranged on the outer portion of the movable sleeve 2, an air duct 6 is connected to one side of the upper portion of the fixed rod 1, a switch regulating valve 7 is connected to one side of the air duct 6, a clamping seat 8 is fixedly connected to one end of the fixed rod 1, a gun head 9 is embedded and connected to the inner portion of the clamping seat 8, a welding core 10 is arranged on one side of the inner portion of the gun head 9, a guide pipe 11 is connected to the outer portion of the welding core 10, a first ventilation cavity 12 is arranged on the outer portion of the air duct 6, the welding core 10 and the guide pipe 11 sequentially penetrate through the clamping seat 8, the inner portions of the fixed rod 1 and the movable sleeve 2, a second ventilation cavity 13 is arranged inside the fixed rod 1, a vent groove 14 is connected between the vent cavity I12 and the vent cavity II 13.

Specifically, as shown in fig. 1, 2 and 3, the bottom end of the air duct 6 extends into the ventilation cavity II 13, a vent hole 15 is formed in one side of the fixing rod 1, two ends of the vent hole 15 are respectively communicated with the ventilation cavity II 13 and the interior of the gun head 9, and the air duct 6 can circulate and discharge cold air in the welding gun through the ventilation cavity I12 and the ventilation cavity II 13, so that the overall temperature of the welding gun is effectively reduced.

Specifically, as shown in fig. 2 and 4, the bottom end of the fastening bolt 4 is abutted against the fixed rod 1, the surface of the fixed rod 1 is provided with a plurality of spline shafts, spline grooves matched with the spline shafts are formed in the movable sleeve 2, the movable sleeve 2 is slidably connected with the surface of the fixed rod 1, and the fastening bolt 4 can fix the position of the movable sleeve 2 after the movable sleeve 2 is adjusted, so that the phenomenon that the position of the movable sleeve 2 deviates is prevented.

Specifically, as shown in fig. 1, the handle 5 is arranged at one end outside the movable sleeve 2, the handle 5 is made of heat-insulating silica gel, the friction force between the handle 5 and the hand can be increased, the heat transfer from the movable sleeve 2 to the handle 5 can be reduced, and the temperature of the handle 5 can be effectively reduced.

Specifically, as shown in fig. 2, one side of the air duct 6 is far away from one side of the handle 5, the air duct 6 is in an L shape or a zigzag shape on the fixing rod 1, the shape of the gun head 9 is an L shape, the vent groove 14 extends to the inside of the gun head 9 and is communicated with the external environment, the air duct 6 can discharge heat in the welding gun through the gun head, the temperature of the welding gun is reduced, the L-shaped gun head can be used for surfacing welding the inner wall of the bent valve conveniently, and a worker can find a proper surfacing angle conveniently.

The working principle of the utility model is as follows: when the device is used, the fastening bolt 4 on the movable sleeve 2 is firstly unscrewed, then the movable sleeve 2 is pulled according to the size and the length of the valve, so that the position of the movable sleeve 2 on the fixed rod 1 is adjusted, after the movable sleeve 2 and the handle 5 are moved to proper positions, the fastening bolt 4 is screwed on the fixed rod 1 by using a tool to prevent the movable sleeve 2 from deviating, then the switch regulating valve 7 is opened to extend the gun head 9 into the valve to start surfacing welding, after the switch regulating valve 7 is opened, cold air can enter the first ventilation cavity 12 through the air duct 6, the air entering the first ventilation cavity 12 can enter the second ventilation cavity 13 through the ventilation groove 14 after circulating outside the guide tube 11, then the cold air enters the gun head 9 through the ventilation hole 15 on the fixed rod 1, the cold air entering the gun head 9 is sprayed out of the gun head 9, so that the cold air circulates inside the welding gun, effectively reduce the temperature in the welding gun.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a build-up welding equipment welder structure, includes dead lever (1), its characterized in that: a movable sleeve (2) is sleeved on one side of the outer portion above the fixed rod (1), a thread seat (3) is arranged on one side of the upper portion of the movable sleeve (2), a fastening bolt (4) is connected to the inner portion of the thread seat (3), a handle (5) is arranged on the outer portion of the movable sleeve (2), an air duct (6) is connected to one side of the upper portion of the fixed rod (1), a switch regulating valve (7) is connected to one side of the air duct (6), a clamping seat (8) is fixedly connected to one end of the fixed rod (1), a gun head (9) is embedded and connected to the inner portion of the clamping seat (8), a welding core (10) is arranged on one side of the inner portion of the gun head (9), a guide pipe (11) is connected to the outer portion of the welding core (10), a ventilation cavity I (12) is arranged on the outer portion of the air duct (6), and the welding core (10) and the guide pipe (11) sequentially penetrate through the clamping seat (8), the fixed rod (1) and the inner portion of the movable sleeve (2), a second ventilation cavity (13) is arranged in the fixing rod (1), and a ventilation groove (14) is connected between the first ventilation cavity (12) and the second ventilation cavity (13).

2. The welding gun structure of the build-up welding equipment according to claim 1, characterized in that: the bottom end of the air duct (6) extends into the ventilation cavity II (13), a ventilation hole (15) is formed in one side of the fixing rod (1), and two ends of the ventilation hole (15) are communicated with the ventilation cavity II (13) and the interior of the gun head (9) respectively.

3. The welding gun structure of the build-up welding equipment according to claim 1, characterized in that: the fixing rod (1) is abutted against the bottom end of the fastening bolt (4), a plurality of spline shafts are arranged on the surface of the fixing rod (1), spline grooves matched with the spline shafts are formed in the movable sleeve (2), and the movable sleeve (2) is in surface sliding connection with the fixing rod (1).

4. The welding gun structure of the build-up welding equipment according to claim 1, characterized in that: handle (5) are located the outside one end of traveling sleeve (2), just handle (5) material is thermal-insulated silica gel.

5. The welding gun structure of the build-up welding equipment according to claim 1, characterized in that: one side of the air duct (6) is far away from one side of the handle (5), and the air duct (6) is L-shaped or Z-shaped on the fixed rod (1).

6. The welding gun structure of the build-up welding equipment according to claim 1, characterized in that: the shape of the gun head (9) is L-shaped, and the first vent groove (14) extends into the gun head (9) and is communicated with the external environment.