Machine welding gun pipe bending seat

Abstract

The utility model discloses a machine welding gun pipe bending seat which comprises a pipe bending seat inner core, an outer shell and a wire clamping assembly, the pipe bending seat inner core is fixed inside the outer shell, and the outer shell is a hollow shell with a front opening and a rear opening. The elbow pipe seat inner core is provided with a wire feeding channel, a shielding gas channel, a water inlet channel, a water return channel and a smoke exhaust channel which are through front and back, the front end of the elbow pipe seat inner core is connected with a welding gun elbow pipe, and the rear end of the elbow pipe seat inner core is connected with a cable pipeline; the wire clamping assembly is fixed to the shell and penetrates through the shell to be communicated with the wire feeding channel of the inner core of the bent pipe seat, and the wire clamping assembly can clamp and loosen a welding wire in the wire feeding channel. By designing the smoke exhaust inlet, the influence of the smoke exhaust function on shielding gas can be reduced, the welding quality is guaranteed, meanwhile, the wire clamping assembly is arranged, the wire clamping function is supported, and the stability and safety in the welding process can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, and more specifically, to a pipe bending seat for a machine-use welding torch. Background Art

[0002] Under the rapid development of emerging industries such as new energy, industrial productivity is facing a huge test. Robot welding can greatly improve work efficiency. However, the smoke and harmful gases generated by welding pose a threat to the health of operators, and at the same time, welding fumes will also affect welding quality. Traditional pipe bending seats for machine-use welding torches often have problems such as poor smoke exhaust effect, complex structure, and inconvenient installation. Therefore, development is particularly important.

[0003] In view of the above problems, it is necessary to provide a pipe bending seat for a welding torch with a simple structure, high smoke exhaust efficiency, easy installation and maintenance, improve the smoke exhaust efficiency of the fumes generated by welding, improve the air quality of the working environment, and protect the physical and mental health of operators. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pipe bending seat for a machine-use welding torch, overcoming the above-mentioned defects in the prior art.

[0005] The technical solution for achieving the purpose of the utility model is: a pipe bending seat for a machine-use welding torch, characterized in that: it includes a pipe bending seat inner core, a housing, and a wire clamping assembly. The pipe bending seat inner core is fixed inside the housing, and the housing is a hollow shell with openings at the front and rear; the pipe bending seat inner core is respectively provided with a wire feeding channel, a shielding gas channel, a water inlet channel, a water return channel, and a smoke exhaust channel that penetrate through the front and rear. The front end of the pipe bending seat inner core is connected to the welding torch elbow pipe, and the rear end is connected to the cable pipeline; the wire clamping assembly is fixed on the housing and passes through the housing to communicate with the wire feeding channel of the pipe bending seat inner core, and the wire clamping assembly can clamp and loosen the welding wire in the wire feeding channel.

[0006] As a preferred embodiment, there are two smoke exhaust channels, which are respectively located on both sides of the shielding gas channel and are symmetrically distributed on the pipe bending seat inner core.

[0007] As a preferred embodiment, an insulating sleeve is further provided between the pipe bending seat inner core and the housing.

[0008] As a preferred embodiment, the pipe bending seat inner core, the insulating sleeve, and the housing are fixedly connected by interference fit positioning with ceramic pins.

[0009] As a preferred embodiment, the wire clamping assembly includes a pneumatic joint, a piston seat connected to the pneumatic joint, a piston located in the piston seat, a wire clamping rod fixedly connected to the piston, and a spring respectively connected to the bottom of the piston seat and the piston; the wire clamping rod passes through the housing and communicates with the wire feeding channel of the inner core of the elbow seat.

[0010] As a preferred embodiment, the wire clamping assembly further includes a wire clamping and guiding tube, the wire clamping and guiding tube is fixed in the wire feeding channel of the inner core of the elbow seat by a set screw, and the wire clamping rod is vertically connected to the wire clamping and guiding tube.

[0011] As a preferred embodiment, a first positioning pin hole is provided at the front end of the inner core of the elbow seat, and a second positioning pin hole and a plurality of threaded holes are correspondingly provided on the rear end face of the housing.

[0012] As a preferred embodiment, a water inlet stop valve is provided at the front end of the water inlet channel of the inner core of the elbow seat, and a water return stop valve is provided at the front end of the water return channel.

[0013] By adopting the above technical solutions, the utility model has the following beneficial effects:

[0014] (1) For the elbow seat of the machine welding torch of the utility model, by designing a smoke exhaust inlet, the influence of the smoke exhaust function on the shielding gas can be reduced, the welding quality can be guaranteed, and at the same time, a wire clamping assembly is provided to support the wire clamping function, which can ensure the stability and safety of the welding process.

[0015] (2) By arranging insulating sleeves on the inner core and the housing of the elbow seat, the safety during the welding process is improved.

[0016] (3) Fixed by ceramic pins, the utility model is convenient for assembly and has a good fixing effect.

[0017] (4) For the wire clamping assembly of the utility model, by using a piston and a spring device, the clamping and loosening of the welding wire can be realized, which is convenient to control, has higher safety and stability during the welding process, has a simple structure and is convenient to operate.

[0018] (5) By arranging a wire clamping and guiding tube and fixing it with a set screw, the wire clamping effect of the welding wire is more stable.

[0019] (6) By arranging positioning pin holes and screws at the front and rear of the inner core of the elbow seat, the butt joint of the front and rear ends of the elbow seat is more convenient and stable.

[0020] (7) By arranging a water inlet stop valve and a water return stop valve, the backflow is avoided, and the welding effect is more stable.

[0021] (8) The smoke exhaust channels of the present utility model are provided in two symmetrical ones, resulting in a very good smoke exhaust effect and reducing the influence of the smoke exhaust function on the shielding gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to specific embodiments in conjunction with the drawings, where

[0023] Figure 1 is a perspective view of a pipe bending seat for a machine - used welding torch.

[0024] Figure 2 is a cross - sectional view of a pipe bending seat for a machine - used welding torch.

[0025] Figure 3 is a front view of the front end of a pipe bending seat for a machine - used welding torch.

[0026] Figure 4 is a schematic diagram of the smoke exhaust flow direction of a pipe bending seat for a machine - used welding torch.

[0027] Figure 5 is a schematic diagram of the external assembly of a pipe bending seat for a machine - used welding torch.

[0028] The reference numerals in the drawings are: 1, inner core of the pipe bending seat; 1 - 1, wire feeding channel; 1 - 2, shielding gas channel; 1 - 3, water inlet channel; 1 - 4, water return channel; 1 - 5, smoke exhaust channel; 1 - 6, first positioning pin hole; 2, outer shell; 2 - 1, flat key; 3, wire clamping assembly; 3 - 1, pneumatic joint; 3 - 2, piston seat; 3 - 3, piston; 3 - 4, wire clamping rod; 3 - 5, spring; 3 - 6, wire guiding tube for wire clamping; 3 - 7, set screw; 4, insulating sleeve; 5, ceramic pin; 6, water inlet stop valve; 7, water return stop valve; 8, welding torch elbow; 9, cable duct; 10, bracket; 11, external anti - collision device. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] In order to better understand the above - mentioned technical solution, the following will detail the above - mentioned technical solution in conjunction with the drawings in the specification and specific embodiments.

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present invention without creative efforts fall within the scope of protection of the present invention.

[0032] It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not require further definition and explanation in subsequent drawings.

[0033] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is customarily placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0034] In the description of the embodiments of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The present invention will be further described below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and cannot be used to limit the protection scope of the present invention.

[0035] (Embodiment 1)

[0036] See Figures 1-3 , a pipe bending seat for a machine welding torch, including a brass pipe bending seat inner core 1, an aluminum shell 2, a wire clamping assembly 3, and an insulating sleeve 4. The brass pipe bending seat inner core 1 is fixed inside the aluminum shell 2 through a fixing member, and an insulating sleeve 4 is also provided between the brass pipe bending seat inner core 1 and the aluminum shell 2. The brass pipe bending seat inner core 1, the aluminum shell 2, and the insulating sleeve 4 are fixedly connected by interference fit positioning through two symmetric ceramic pins 5. By providing an insulating sleeve between the pipe bending seat inner core and the shell, the safety during the welding process is improved.

[0037] The outer shell 2 is a hollow shell with openings at the front and rear; the brass elbow seat inner core 1 is respectively provided with a wire feeding channel 1-1, a shielding gas channel 1-2, a water inlet channel 1-3, a water return channel 1-4 and a smoke exhaust channel 1-5 that penetrate through the front and rear. The front end of the brass elbow seat inner core 1 is connected to the welding torch elbow 8, and the rear end is connected to the cable duct 9; the wire clamping assembly 3 is fixed on the brass elbow seat inner core 1 and passes through the aluminum outer shell 2 to communicate with the wire feeding channel 1-1 of the brass elbow seat inner core 1. The wire clamping assembly 3 can control the clamping and loosening of the welding wire in the wire feeding channel 1-1. By designing the smoke exhaust inlet, the influence of the smoke exhaust function on the shielding gas can be reduced, the welding quality can be guaranteed, and at the same time, the wire clamping assembly is set to support the wire clamping function.

[0038] A water inlet stop valve 6 is provided at the front end of the water inlet channel 1-3 of the brass elbow seat inner core 1, and a water return stop valve 7 is provided at the front end of the water return channel 1-4. By setting the water inlet stop valve and the water return stop valve, backflow is avoided, and the welding effect is more stable.

[0039] Furthermore, the wire clamping assembly 3 includes a pneumatic joint 3-1, a piston seat 3-2 connected to the pneumatic joint 3-1, a piston 3-3 located in the piston seat 3-2, a wire clamping rod 3-4 fixedly connected to the piston 3-3, and a spring 3-5 respectively connected to the bottom of the piston seat 3-2 and the piston 3-3; a wire clamping wire guiding tube 3-6 fixed in the wire feeding channel 1-1 of the brass elbow seat inner core 1 by a set screw 3-7. The wire clamping rod 3-4 passes through the aluminum outer shell 2 and is perpendicularly connected to the wire clamping wire guiding tube 3-6 of the brass elbow seat inner core 1. By using the piston and spring device, the clamping and loosening of the welding wire can be realized, which is convenient to control, has higher safety and stability during the welding process, has a simple structure and is easy to operate.

[0040] Furthermore, the front end of the brass elbow seat inner core 1 is provided with a first positioning pin hole 1-6, and the rear end face of the outer shell 2 correspondingly has a second positioning pin hole and several threaded holes for fixed connection of the cable and the built-in anti-collision device. By setting the positioning pin holes and screws at the front and rear of the elbow seat inner core, the butt joint of the front and rear ends of the elbow seat is more convenient and stable.

[0041] Furthermore, see Figure 3 , the wire feeding channel 1-1 is located at the center of the brass elbow seat inner core 1, the shielding gas channel 1-2, the water inlet channel 1-3, the water return channel 1-4 and the first positioning pin hole 1-6 are respectively distributed around the central wire feeding channel 1-1. There are two smoke exhaust channels 1-5, which are respectively located on both sides of the shielding gas channel 1-2 and are symmetrically distributed along the wire feeding channel 1-1 on the elbow seat inner core 1. See Figure 4 , the setting of the positional relationship between the smoke exhaust channel and the shielding gas channel can reduce the influence of the smoke exhaust function on the shielding gas, resulting in a good smoke exhaust effect and reducing the influence of the smoke exhaust function on the shielding gas.

[0042] In this embodiment, a pipe bending seat for a machine welding torch is applied to an in-built robot. By designing a smoke exhaust inlet, the influence of the smoke exhaust function on the shielding gas can be reduced, ensuring the welding quality. At the same time, a wire clamping assembly is provided to support the wire clamping function, which can ensure the stability and safety of the welding process.

[0043] (Embodiment 2)

[0044] See Figure 5 , this embodiment is basically the same as Embodiment 1, except that: the aluminum shell 2 is also provided with a flat key 2-1 and a positioning step for the fixed connection of the bracket 10 and the external anti-collision device 11. This embodiment is assembled to be compatible with both in-built robots and external robots, which can ensure the stability and safety of the welding process.

[0045] The specific embodiments described above have further elaborated on the purpose, technical solutions, and beneficial effects of the present utility model. It should be understood that the above are only specific embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A machine welding gun pipe bending seat, characterized in that: The invention comprises a pipe bending seat inner core (1), an outer shell (2) and a wire clamping assembly (3), wherein the pipe bending seat inner core (1) is fixed inside the outer shell (2), and the outer shell (2) is a hollow shell with front and rear openings; the pipe bending seat inner core (1) is respectively provided with a wire feeding channel (1-1), a protective gas channel (1-2), a water inlet channel (1-3), a water return channel (1-4) and a smoke exhaust channel (1-5) penetrating from front to back, the front end of the pipe bending seat inner core (1) is connected to the welding gun elbow, and the rear end is connected to the cable duct; the wire clamping assembly (3) is fixed on the outer shell (2), passes through the outer shell (2) and is connected to the wire feeding channel (1-1) of the pipe bending seat inner core (1), and the wire clamping assembly (3) can clamp and release the welding wire in the wire feeding channel (1-1).

2. A machine welding gun pipe bending seat according to claim 1, characterized in that: There are two smoke exhaust channels (1-5), which are respectively located on both sides of the protective gas channel (1-2) and are symmetrically distributed on the inner core (1) of the bend seat.

3. The machine welding gun pipe bending seat according to claim 1, characterized in that: An insulating sleeve (4) is also provided between the inner core (1) and the outer shell (2) of the pipe bending seat.

4. A machine welding gun pipe bending seat according to claim 2, characterized in that: The inner core (1) of the bent pipe seat, the insulating sleeve (4) and the outer shell (2) are positioned and fixedly connected by interference fit through a ceramic pin (5).

5. The machine welding gun pipe bending seat according to claim 1, characterized in that: The wire clamping assembly (3) comprises a pneumatic joint (3-1), a piston seat (3-2) connected to the pneumatic joint (3-1), a piston (3-3) located in the piston seat (3-2), a wire clamping rod (3-4) fixedly connected to the piston (3-3), and a spring (3-5) respectively connected to the bottom of the piston seat (3-2) and the piston (3-3); the wire clamping rod (3-4) passes through the outer shell (2) and is connected to the wire feeding channel (1-1) of the inner core (1) of the bending pipe seat.

6. A machine welding gun pipe bending seat according to claim 5, characterized in that: The wire clamping assembly (3) also includes a wire clamping wire guide tube (3-6), which is fixed in the wire feeding channel (1-1) of the inner core (1) of the bending pipe seat by a set screw (3-7), and the wire clamping rod (3-4) is vertically connected to the wire clamping wire guide tube (3-6).

7. The machine welding gun pipe bending seat according to claim 1, characterized in that: The front end of the inner core (1) of the pipe bending seat is provided with a first positioning pin hole (1-6), and the rear end surface of the outer shell (2) is correspondingly provided with a second positioning pin hole and a plurality of threaded holes.

8. The machine welding gun pipe bending seat according to claim 1, characterized in that: A water inlet check valve (6) is provided at the front end of the water inlet channel (1-3) of the inner core (1) of the elbow seat, and a water return check valve (7) is provided at the front end of the water return channel (1-4).

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