Quick connector for rear main body of welding gun

Abstract

The utility model discloses a welding gun rear main body quick connector which comprises a rear main body, one end of the rear main body is fixedly connected with a plurality of anti-rotation blocks, the inner wall of the rear main body is sleeved and fixedly connected with an iron core, the iron core is of a cylindrical structure, one end of the outer side of the rear main body is fixedly connected with a limiting block, and one end of the rear main body is detachably connected with a connecting assembly through the limiting block. The connecting assembly is detachably connected with a shell of an external welding machine, the other end of the rear body and an external cable are connected with a connecting piece in a pressing mode, an air pipe is arranged on the outer side face of the rear body, and one end of the air pipe penetrates through the rear body and the iron core and is communicated with an inner cavity of the iron core. According to the utility model, the rear main body and the iron core can be utilized to replace the original integral copper wiring terminal, so that the integral weight is reduced, and the wiring efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding machine equipment, in particular to a welding gun rear body quick connector. Background Art

[0002] European or Japanese welding gun interface usually refers to the welding gun interface that conforms to European or Japanese standards and design styles. This interface may include the connection between the welding gun body and accessories such as the wire feeder, conductive nozzle, and protective cover. The interface part is usually made of high-quality materials such as copper, ceramic, etc. to ensure good conductivity, heat resistance, and corrosion resistance, thereby extending the service life of the welding gun and its accessories.

[0003] The connection end of the welding gun is usually screw-jointed. Although this joint is relatively stable, it uses a large amount of copper, which is not conducive to reducing manufacturing costs, nor is it conducive to the realization of rapid disassembly and assembly, thus reducing the efficiency of use. Therefore, a welding gun rear body quick connector is urgently needed to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes a welding gun rear body quick connector, which can replace the original integral copper terminal with the rear body and the iron core, thereby reducing the overall weight and improving the wiring efficiency.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] A welding gun rear body quick connector comprises a rear body, one end of the rear body is fixedly connected to a plurality of anti-rotation blocks, the inner wall of the rear body is sleeved and fixedly connected to an iron core, the iron core is a cylindrical structure, one end of the outer side of the rear body is fixedly connected to a limiting block, one end of the rear body is detachably connected to a connecting assembly through the limiting block, the connecting assembly is detachably connected to the outer shell of an external welding machine, the other end of the rear body is crimped with a connector to an external cable, an air pipe is arranged on the outer side of the rear body, one end of the air pipe respectively passes through the rear body and the iron core and is communicated with the inner cavity of the iron core.

[0007] Preferably, the connecting assembly includes a connecting sleeve, a first socket is provided at one end of the connecting sleeve, a sliding groove matched with the limit block is provided on the side wall of the first socket, and the connecting sleeve is detachably connected to one end of the rear main body through the sliding groove and the first socket; a thread is provided at the other end of the connecting sleeve, a nut is screwed onto the connecting sleeve through the thread, and the connecting sleeve is detachably connected to the outer shell through the nut, a second socket is provided at the other end of the connecting sleeve, the second socket is communicated with the first socket, and a guide is screwed into the second socket.

[0008] Preferably, the guide member comprises a guide rod, one end of which is threadedly connected to the second socket, and the other end of which is provided with a guide hole connected to the first socket, wherein the guide hole is adapted to and in sliding contact with the welding wire.

[0009] Preferably, the other end of the guide rod is also fixedly connected to an end plate, a spring is arranged between the end plate and the other end surface of the connecting sleeve, one end of the spring is fixedly connected to the end plate, and the other end of the spring is arranged in contact with the connecting sleeve.

[0010] Preferably, one end of the spring is fixedly connected with a stopper, the other end surface of the connecting sleeve is fixedly connected with a stopper column, and the stopper is detachably connected to the stopper column.

[0011] Preferably, two protective covers are sleeved on the outer side surface of the rear body, and one side surface of the protective cover is provided with an inner concave surface matched with the rear body and the anti-rotation block, and the two protective covers are buckled and detachably connected to each other.

[0012] Preferably, the slide groove includes a first through groove and a second through groove, the first through groove is vertically arranged to the second through groove and the first through groove is adapted to the limit block; the bottom surface of the second through groove is gradually inclined in an arc shape from one end to the other end; the second through groove is in sliding contact with the limit block.

[0013] Compared with the prior art, the utility model has the following advantages and technical effects:

[0014] The utility model optimizes the original integral large copper column processing parts into a combination of the rear body and the iron core by utilizing the rear body, which can greatly reduce the use of copper materials. At the same time, the connecting component can guide the welding wire into the rear body, which improves the stability of the wire running. The iron core can not only support the rear body, but also facilitate the connector to crimp the other end of the rear body with the cable, thereby improving the connection strength between the rear body and the cable.

[0015] The utility model can replace the existing European or Japanese standard rear body quick connectors on the market, can improve the efficiency of use through quick connection and quick release, and can also reduce the amount of carbon emissions by reducing manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a side view;

[0018] Figure 2It is a schematic diagram of the three-dimensional structure of the rear main body from the side;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the connection component from a side view;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the connecting sleeve from a side view;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the guide member from a side view;

[0022] Figure 6 This is the route map of the air and wire feeding of the utility model

[0023] Among them, 1. rear main body; 2. anti-rotation block; 3. iron core; 4. limit block; 5. connector; 6. air pipe; 7. connecting sleeve; 8. first plug hole; 9. first through slot; 10. second through slot; 11. nut; 12. guide rod; 13. guide hole; 14. end plate; 15. spring; 16. block; 17. block column; 18. protective cover. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that all components in the technical solution of this application require the necessary additional facilities of water supply, oil supply, electricity supply and gas supply to be driven and / or controlled. If there is no further explanation, it is assumed that the existing technology is used and equipped without special explanation.

[0026] It should be noted that, in order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Depend on Figure 1-2 A welding gun rear body quick connector shown in the figure includes a rear body 1, one end of the rear body 1 is fixedly connected to a plurality of anti-rotation blocks 2, the inner wall of the rear body 1 is sleeved and fixedly connected to an iron core 3, the iron core 3 is a cylindrical structure, one end of the outer side of the rear body 1 is fixedly connected to a limiting block 4, one end of the rear body 1 is detachably connected to a connecting component through the limiting block 4, the connecting component is detachably connected to the outer shell of an external welding machine, the other end of the rear body 1 is crimped with a connector 5 to an external cable, an air pipe 6 is provided on the outer side of the rear body 1, one end of the air pipe 6 respectively passes through the rear body 1 and the iron core 3 and is connected to the inner cavity of the iron core 3.

[0028] Furthermore, the welding machine and the cable are both existing devices and components, which are prior art and will not be described in detail here.

[0029] To further optimize the solution, Figure 3-4 As shown, the connection assembly includes a connection sleeve 7, which is made of copper to improve the efficiency of electrical conduction. A first socket 8 is provided at one end of the connection sleeve 7, and a slide groove adapted to the limit block 4 is provided on the side wall of the first socket 8. The connection sleeve 7 is detachably connected to one end of the rear body 1 through the slide groove and the first socket 8, so that the rear body 1 and the connection sleeve 7 can be quickly disassembled and assembled. A thread is provided at the other end of the connection sleeve 7, and a nut 11 is screwed to the connection sleeve 7 through the thread. The connection sleeve 7 is detachably connected to the outer shell through the nut 11, and the nut 11 can fix one end of the connection sleeve 7 on the outer shell of the welding machine. A second socket is provided at the other end of the connection sleeve 7, and a thread is provided on the inner wall of the second socket. The second socket is connected to the first socket 8, and a guide is screwed to the second socket through the thread.

[0030] Furthermore, the outer side of the connecting sleeve 7 is sleeved and detachably connected with a sleeve shell, which is made of insulating plastic material, which can reduce the weight of the utility model and prevent the user from electric shock. The outer side of the connecting sleeve 7 is preferably a hexahedron, which is convenient for clamping with the sleeve shell.

[0031] Furthermore, the end surface of the first plug hole 8 is arranged to fit and abut against the end surface of the rear body 1, which can prevent the carbon dioxide gas from leaking from the connection gap and causing loss.

[0032] To further optimize the solution, Figure 5 As shown, the guide member includes a guide rod 12, which is made of copper and can protect the welding wire by self-wearing during the friction with the welding wire. One end of the guide rod 12 is screwed to the second plug hole, and the other end of the guide rod 12 is provided with a guide hole 13 connected to the first plug hole 8, and the guide hole 13 is adapted to and in sliding contact with the welding wire.

[0033] To further optimize the solution, in order to avoid the problem of the guide rod 12 becoming loose due to the disturbance of the welding wire on the guide rod 12 during the wire feeding process, the other end of the guide rod 12 is also fixedly connected to the end plate 14, and a spring 15 is arranged between the end plate 14 and the other end surface of the connecting sleeve 7, one end of the spring 15 is fixedly connected to the end plate 14, and the other end of the spring 15 is arranged to be in conflict with the connecting sleeve 7. By utilizing the spring 15 to push the end plate 14, the screw connection strength between the guide rod 12 and the second socket can be improved, thereby reducing the risk of the guide rod 12 becoming loose.

[0034] To further optimize the solution, one end of the spring 15 is fixedly connected to a block 16, and the other end face of the connecting sleeve 7 is fixedly connected to a block column 17. The block 16 and the block column 17 are detachably connected. The block 16 fixedly connected to one end of the spring 15 can be blocked by the block column 17. When the guide rod 12 drives the end plate 14 to rotate and loosen, the spring 15 can be used to balance the rotational torque of the guide rod 12, thereby avoiding the loosening of the guide rod 12.

[0035] According to a further optimization scheme, two protective covers 18 are sleeved on the outer side surface of the rear main body 1, and one side of the protective cover 18 is provided with an inner concave surface matched with the rear main body 1 and the anti-rotation block 2. The two protective covers 18 are buckled together and detachably connected. The two protective covers 18 are buckled together to increase the outer diameter of the rear main body 1, which is convenient for handheld operation.

[0036] In a further optimized solution, the slide groove includes a first through groove 9 and a second through groove 10, the first through groove 9 and the second through groove 10 are vertically arranged and the first through groove 9 is adapted to the stop block 4; the bottom surface of the second through groove 10 is gradually inclined from one end to the other end in an arc shape, and when the anti-rotation block 2 is inserted into the second through groove 10, the top of the anti-rotation block 2 can be rotated by a certain angle to contact and tighten with the bottom surface of the second through groove 10, so as to realize the quick disassembly and assembly of the connecting sleeve 7 and the rear body 1. The second through groove 10 is in sliding contact with the stop block 4.

[0037] The working process of this embodiment is as follows:

[0038] One end of the connecting sleeve 7 is inserted into the housing of the welding machine, and the connecting sleeve 7 is fastened with the nut 11, so that the installation of the utility model on the welding machine is realized. In order to facilitate power-on use, the nut 11 can also be crimped with the cable terminal to facilitate the use of the utility model.

[0039] The welding wire of the welding machine is inserted into the rear body 1 through the connecting sleeve 7, and then enters the connecting cable until it enters the welding gun at one end of the connecting cable for use. The gas pipe 6 is fixedly connected and communicated with the external carbon dioxide gas tank, and the carbon dioxide gas is transmitted to one side of the welding gun for use through the hollow iron core 3 and the cable. The other side is sealed and connected to the rear body 1 through the connecting sleeve 7, reducing the leakage of carbon dioxide gas.

[0040] The feeding of welding wire will disturb the guide rod 12, and the torsion of the guide rod 12 will drive the torsion of the spring 15. The torsion of the spring 15 will pull the movement of the stopper 16. The stopper 16 and the stopper column 17 are limited and abutted to avoid the rotation of the spring 15, thereby avoiding the rotation of the guide rod 12 and reducing the loosening of the guide rod 12.

[0041] The above are only preferred specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A welding gun rear body quick connector, characterized in that: The invention comprises a rear body (1), one end of which is fixedly connected to a plurality of anti-rotation blocks (2), the inner wall of which is sleeved and fixedly connected to an iron core (3), the iron core (3) being a cylindrical structure, one end of the outer side of the rear body (1) being fixedly connected to a limit block (4), one end of which is detachably connected to a connecting assembly via the limit block (4), the connecting assembly being detachably connected to the outer shell of an external welding machine, the other end of which is crimped to an external cable with a connecting piece (5), the outer side surface of the rear body (1) being provided with an air pipe (6), one end of which respectively passes through the rear body (1) and the iron core (3) and is communicated with the inner cavity of the iron core (3).

2. The welding gun rear body quick connector according to claim 1, characterized in that: The connecting assembly comprises a connecting sleeve (7), one end of which is provided with a first plug hole (8), a side wall of which is provided with a slide groove matched with the limit block (4), the connecting sleeve (7) is detachably connected to one end of the rear body (1) via the slide groove and the first plug hole (8); the other end of the connecting sleeve (7) is provided with a thread, the connecting sleeve (7) is screwed with a nut (11) via the thread, the connecting sleeve (7) is detachably connected to the housing via the nut (11), the other end of the connecting sleeve (7) is provided with a second plug hole, the second plug hole is connected to the first plug hole (8), and a guide is screwed in the second plug hole.

3. The welding gun rear body quick connector according to claim 2, characterized in that: The guide member comprises a guide rod (12), one end of which is screwed to the second insertion hole, and the other end of which is provided with a guide hole (13) connected to the first insertion hole (8), wherein the guide hole (13) is adapted to and in sliding contact with the welding wire.

4. The welding gun rear body quick connector according to claim 3, characterized in that: The other end of the guide rod (12) is also fixedly connected to an end plate (14), and a spring (15) is arranged between the end plate (14) and the other end surface of the connecting sleeve (7), one end of the spring (15) is fixedly connected to the end plate (14), and the other end of the spring (15) is arranged to contact the connecting sleeve (7).

5. The welding gun rear body quick connector according to claim 4, characterized in that: One end of the spring (15) is fixedly connected to a stopper (16), and the other end surface of the connecting sleeve (7) is fixedly connected to a stopper column (17), and the stopper (16) and the stopper column (17) are detachably connected.

6. The welding gun rear body quick connector according to claim 1, characterized in that: Two protective covers (18) are sleeved on the outer side surface of the rear body (1), and one side surface of the protective cover (18) is provided with an inner concave surface adapted to the rear body (1) and the anti-rotation block (2), and the two protective covers (18) are mutually buckled and detachably connected.

7. The welding gun rear body quick connector according to claim 2, characterized in that: The slide groove comprises a first through groove (9) and a second through groove (10); the first through groove (9) and the second through groove (10) are arranged vertically and the first through groove (9) is adapted to the limit block (4); the bottom surface of the second through groove (10) is gradually inclined in an arc shape from one end to the other end; and the second through groove (10) is in sliding contact with the limit block (4).

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