Welding equipment for all-welded ball valve

Abstract

The utility model provides welding equipment for an all-welded ball valve, which comprises an auxiliary component and a welding component, and the welding component is fixedly mounted at the upper end of the auxiliary component; wherein the welding assembly comprises an upper mounting shell, a welding machine, an air cylinder and a welding gun, the upper mounting shell is fixedly mounted at the upper end of the auxiliary assembly, the welding machine is fixedly mounted on the rear end face of the interior of the upper mounting shell, and the air cylinder is fixedly mounted on the top end face of the interior of the upper mounting shell and located on the front side of the welding machine; the welding gun is connected with the welding machine through a cable and fixedly installed at the lower end of the output end of the air cylinder. The automatic welding device has a positioning function, can realize automatic welding, and is higher in welding strength and good in environment-friendly effect.

Description

Technical Field

[0001] The utility model relates to the field of welding, in particular to welding equipment for a fully welded ball valve. Background Art

[0002] With the development of urban pipe networks, PE pipe valves are gradually replacing metal pipe valves as carriers for gas transportation, and PE ball valves also play a role of switching in the process of pipeline gas transportation. PE ball valves have the advantages of corrosion resistance, maintenance-free, small opening and closing torque, and light weight. During installation and construction, they also have the advantages of easy handling and simple welding.

[0003] The application number is: 202220928107.2, and the name is: a welding for a fully welded ball valve, which includes a welding warehouse, a side plate is fixedly installed on one side of the top of the welding warehouse, a slide rail groove is installed on the inner wall of the top of the side plate, and a warehouse door is slidably installed in the slide rail groove, a pair of fixed frames are symmetrically installed inside the welding warehouse, and electromagnetic telescopic rods are equidistantly installed on the surfaces of the pair of fixed frames, and an annular fixed frame is commonly installed on one end of the electromagnetic telescopic rod, and micro telescopic rods are equidistantly inserted and installed on the outer wall of the annular fixed frame, and arc-shaped fixed blocks are installed on one end of the micro telescopic rod through a fixing piece, and a square notch is opened on the surface of the welding warehouse below the annular fixed frame, and fixing rods are equidistantly installed on the inner wall of the square notch, and waste materials are installed between the fixing rods through screws.

[0004] The above-mentioned comparative documents have the following problems:

[0005] The welding gun can only weld the upper ends of the two ball valve connections to be welded, and cannot perform annular and all-round welding on the connection, which results in poor structural strength after welding.

[0006] In summary, the present application now proposes a welding device for a fully welded ball valve to solve the above-mentioned problems. Utility Model Content

[0007] In view of this, the purpose of the present invention is to provide a welding device for a fully welded ball valve to solve the problems raised in the above background technology.

[0008] Based on the above purpose, the utility model provides a welding device for a fully welded ball valve, including an auxiliary component and a welding component, wherein the welding component is fixedly installed on the upper end of the auxiliary component;

[0009] Among them, the welding assembly includes an upper mounting shell, a welding machine, a cylinder and a welding gun. The upper mounting shell is fixedly installed on the upper end of the auxiliary assembly, the welding machine is fixedly installed on the rear end surface inside the upper mounting shell, the cylinder is fixedly installed on the top end surface inside the upper mounting shell and is located at the front side of the welding machine. The welding gun is connected to the welding machine through a cable, and the welding gun is fixedly installed at the lower end of the cylinder output end.

[0010] Preferably, the welding assembly also includes a purification box, an air inlet pipe and an air outlet pipe. The purification box is fixedly mounted on the upper end surface of the upper mounting shell. An activated carbon filter is arranged in the purification box. One end of the air inlet pipe is fixedly connected to the upper end of the purification box, and the connection position between the air inlet pipe and the purification box is located on the right side of the activated carbon filter. The other end of the air inlet pipe is fixedly connected to the upper end of the upper mounting shell. An air pump is fixedly mounted on the air inlet pipe, one end of the air outlet pipe is fixedly connected to the left end of the purification box, and the other end of the air outlet pipe is fixedly connected to the upper end of the purification box.

[0011] More preferably, the auxiliary component includes a lower mounting shell, a second motor, a second bidirectional screw rod, a first bidirectional screw rod, a rectangular nut block, an annular positioning shell and a first motor, four cylinders are fixedly installed in a rectangular array at the bottom end of the lower mounting shell, and the upper end of the cylinder output end is fixedly connected to a lifting rod, the upper ends of the four lifting rods all slide through the top end of the lower mounting shell, and are fixedly installed in a rectangular array on the lower end surface of the upper mounting shell, the second motor is embedded and fixedly installed on the right end surface of the lower mounting shell, the right end of the second bidirectional screw rod is fixedly connected to the left end of the second motor output shaft, the left end of the second bidirectional screw rod is rotatably connected to the left end surface of the lower mounting shell, the first bidirectional screw rod and the second bidirectional screw rod are both arranged in the horizontal direction, and the two ends of the first bidirectional screw rod are respectively connected to the lower The left and right walls inside the mounting shell are rotatably connected, and the first bidirectional screw rod is linked to the left end portion of the second bidirectional screw rod, the left end portion of the first bidirectional screw rod is fixedly sleeved with a first sprocket, the left end portion of the second bidirectional screw rod is fixedly sleeved with a second sprocket, and the first sprocket is connected to the second sprocket through a chain, the rectangular nut blocks are provided with two, and the first bidirectional screw rod and the second bidirectional screw rod are both threaded through the two rectangular nut blocks, the annular positioning shells are provided with two, the two annular positioning shells are respectively installed on one end face of the two rectangular nut blocks close to each other, the first motors are provided with two, the two first motors are respectively fixedly connected to one end face of the two rectangular nut blocks close to each other, and the output shafts of the two first motors are respectively fixedly connected to the two annular positioning shells at one end close to each other.

[0012] Preferably, the auxiliary component also includes a positioning screw and an arc-shaped positioning plate. There are multiple positioning screws, and the multiple positioning screws are threaded in an annular array and penetrate the side end surface of the annular positioning shell. There are multiple arc-shaped positioning plates, and the multiple arc-shaped positioning plates are respectively rotatably connected to one end of the multiple positioning screws, and the arc-shaped positioning plates are located on the inner side of the annular positioning shell.

[0013] More preferably, the auxiliary component further comprises a twist handle, and a plurality of the twist handles are provided, and the plurality of twist handles are respectively fixedly connected to the other end of the positioning screw.

[0014] Preferably, the auxiliary component further comprises a maintenance port, which is opened at the front end of the lower mounting shell and a maintenance plate is installed at the maintenance port.

[0015] More preferably, it further comprises a transparent observation window, wherein two transparent observation windows are provided and the two transparent observation windows are respectively mounted on the side end surfaces of the upper mounting shell and the lower mounting shell.

[0016] From the above description, it can be seen that the beneficial effects of the utility model are:

[0017] The welding equipment for the fully welded ball valve can start the welding machine, and the welding machine can work by welding through the welding gun. By starting the cylinder, the cylinder drives the welding gun to move downward, and the downward-moving welding gun can contact the two ball valves to be welded, so as to achieve welding.

[0018] This type of welding equipment for fully welded ball valves will produce smoke during welding. During welding, the cylinder can be started, and the cylinder can drive the upper mounting shell to move down to the upper end of the lower mounting shell through the lifting rod to form a closed space, thereby preventing smoke from leaking out and polluting the environment. By starting the air pump, the air pump can suck the smoke into the purification box through the air inlet pipe, and the activated carbon filter in the purification box will adsorb and purify the smoke. After the treatment is completed, the smoke can return to between the upper mounting shell and the lower mounting shell through the air outlet pipe.

[0019] This type of welding equipment for fully welded ball valves can place two ball valves to be welded in two annular positioning shells respectively. When the ball valves to be welded are placed in the annular positioning shells, the positioning screw can be twisted by the twist handle, and then the arc positioning plate can be driven. The ball valves to be welded can be clamped and fixed by multiple driven arc positioning plates, thereby improving the welding effect of the ball valves to be welded.

[0020] This type of welding equipment for fully welded ball valves can start two first motors when the welding gun is welding two ball valves to be welded, thereby driving the two ball valves to be welded to rotate synchronously, thereby rotating the connecting parts of the two ball valves to be welded, and enabling the welding gun to perform annular welding on the welding parts of the two ball valves to be welded, thereby improving the welding strength of the two ball valves to be welded.

[0021] The utility model has a positioning function and can realize automatic welding, has higher welding strength and good environmental protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the welding assembly in the utility model;

[0025] Figure 3 It is a schematic diagram of the upward side structure of the welding assembly in the utility model;

[0026] Figure 4 It is a structural schematic diagram of the auxiliary components in the utility model;

[0027] Figure 5 for Figure 4 A magnified view of the structure in the middle.

[0028] In the reference numerals: 1. welding component; 2. auxiliary component;

[0029] Upper mounting shell; 102. Purification box; 103. Air inlet pipe; 104. Air pump; 105. Air outlet pipe; 106. Welding machine; 107. Air cylinder; 108. Welding gun;

[0030] 201. Lower mounting shell; 202. Lifting rod; 203. Chain; 204. First bidirectional screw rod; 205. First motor; 206. Second motor; 207. Second bidirectional screw rod; 208. Maintenance plate; 209. Arc positioning plate; 210. Positioning screw rod; 211. Annular positioning shell; 212. Rectangular nut block. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0032] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the utility model should be the common meanings understood by people with ordinary skills in the field to which the disclosure belongs. The "first", "second" and similar words used in the present disclosure do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. Example

[0033] See also Figure 1-Figure 5, a welding device for a fully welded ball valve, comprising an auxiliary component 2 and a welding component 1, wherein the welding component 1 is fixedly mounted on the upper end of the auxiliary component 2;

[0034] Among them, the welding assembly 1 includes an upper mounting shell 101, a welding machine 106, a cylinder 107 and a welding gun 108. The upper mounting shell 101 is fixedly installed on the upper end of the auxiliary assembly 2, the welding machine 106 is fixedly installed on the rear end surface inside the upper mounting shell 101, the cylinder 107 is fixedly installed on the top end surface inside the upper mounting shell 101, and is located in the front side of the welding machine 106. The welding gun 108 is connected to the welding machine 106 through a cable, and the welding gun 108 is fixedly installed at the lower end of the output end of the cylinder 107.

[0035] By starting the welding machine 106, the welding machine 106 can work through the welding gun 108 for welding, and by starting the cylinder 107, the cylinder 107 works to drive the welding gun 108 to move downward, and the downwardly moved welding gun 108 can contact the two ball valves to be welded, thereby achieving welding thereof.

[0036] As an improved scheme of the above scheme, the welding assembly 1 also includes a purification box 102, an air inlet pipe 103 and an air outlet pipe 105. The purification box 102 is fixedly installed on the upper end surface of the upper mounting shell 101. An activated carbon filter is arranged in the purification box 102. One end of the air inlet pipe 103 is fixedly connected to the upper end of the purification box 102, and the connection position between the air inlet pipe 103 and the purification box 102 is located on the right side of the activated carbon filter. The other end of the air inlet pipe 103 is fixedly connected to the upper end of the upper mounting shell 101. An air pump 104 is fixedly installed on the air inlet pipe 103. One end of the air outlet pipe 105 is fixedly connected to the left end of the purification box 102, and the other end of the air outlet pipe 105 is fixedly connected to the upper end of the purification box 102.

[0037] Smoke will be generated during welding. During welding, the cylinder 107 can be started. The cylinder 107 can drive the upper mounting shell 101 to move down to the upper end of the lower mounting shell 201 through the lifting rod 202 to form a closed space, thereby preventing the smoke from leaking out and polluting the environment. By starting the air pump 104, the air pump 104 can suck the smoke into the purification box 102 through the air inlet pipe 103, and the smoke is adsorbed and purified by the activated carbon filter in the purification box 102. After the treatment is completed, the smoke can be returned to between the upper mounting shell 101 and the lower mounting shell 201 through the air outlet pipe 105.

[0038] See also Figure 4-Figure 5As an improved solution of the above solution, the auxiliary component 2 includes a lower mounting shell 201, a second motor 206, a second bidirectional screw rod 207, a first bidirectional screw rod 204, a rectangular nut block 212, a first motor 205 and an annular positioning shell 211. Four cylinders 107 are fixedly installed in a rectangular array at the bottom end of the lower mounting shell 201, and the upper end of the output end of the cylinder 107 is fixedly connected with a lifting rod 202. The upper ends of the four lifting rods 202 all slide through the top of the lower mounting shell 201 and are fixedly installed in a rectangular array on the lower end surface of the upper mounting shell 101. The second motor 206 is embedded and fixedly installed on the right end surface of the lower mounting shell 201. The right end of the second bidirectional screw rod 207 is fixedly connected to the left end of the output shaft of the second motor 206. The left end of the second bidirectional screw rod 207 is rotatably connected to the left end surface of the lower mounting shell 201. The first bidirectional screw rod 204 and the second bidirectional screw rod 207 are both arranged in the horizontal direction. The two ends of the screw rod 204 are rotatably connected to the left and right walls inside the lower mounting shell 201, and the first bidirectional screw rod 204 is linked to the left end of the second bidirectional screw rod 207. The left end of the first bidirectional screw rod 204 is fixedly sleeved with a first sprocket, and the left end of the second bidirectional screw rod 207 is fixedly sleeved with a second sprocket, and the first sprocket is connected to the second sprocket through the chain 203. There are two rectangular nut blocks 212, and the first bidirectional screw rod 204 and the second bidirectional screw rod 207 are both threaded through the two rectangular nut blocks 212. There are two annular positioning shells 211, which are respectively installed on one end face of the two rectangular nut blocks 212 close to each other. There are two first motors 205, and the two first motors 205 are respectively fixedly connected to one end face of the two rectangular nut blocks 212 close to each other, and the output shafts of the two first motors 205 are respectively fixedly connected to the two annular positioning shells 211 at one end close to each other.

[0039] The two ball valves to be welded can be placed in two annular positioning shells 211 for fixing. By starting the second motor 206, the second motor 206 can drive the second bidirectional screw 207 to rotate. The rotating second bidirectional screw 207 can drive the first bidirectional screw 204 to rotate. The rotating first bidirectional screw 204 and the second bidirectional screw 207 can drive the two rectangular nut blocks 212 to move toward each other, thereby driving the two ball valves to be welded to move toward each other for contact. The welding gun 108 moving downward can weld the connection parts of the two ball valves to be welded. The rotating second bidirectional screw 207 can drive the second bidirectional screw 207 to rotate through the first sprocket, the second sprocket and the chain 203, so as to realize the linkage between the first bidirectional screw 204 and the second bidirectional screw 207. When the welding gun 108 is welding the two ball valves to be welded, the two first motors 205 can be started, thereby driving the two ball valves to be welded to rotate synchronously, and then the connecting parts of the two ball valves to be welded can be rotated, so that the welding gun 108 can perform annular welding on the welding parts of the two ball valves to be welded, thereby improving the welding strength of the two ball valves to be welded, and the waste chips generated by the welding fall into the bottom of the lower mounting shell 201.

[0040] As an improved scheme of the above scheme, the auxiliary component 2 also includes a positioning screw 210 and an arc-shaped positioning plate 209. There are multiple positioning screws 210, and the multiple positioning screws 210 are threaded in an annular array and penetrate the side end surface of the annular positioning shell 211. There are multiple arc-shaped positioning plates 209, and the multiple arc-shaped positioning plates 209 are respectively rotatably connected to one end of the multiple positioning screws 210, and the arc-shaped positioning plates 209 are located on the inner side of the annular positioning shell 211. The auxiliary component 2 also includes a twist handle, and there are multiple twist handles, and the multiple twist handles are respectively fixedly connected to the other end of the positioning screw 210.

[0041] When the ball valve to be welded is placed in the annular positioning shell 211, the positioning screw 210 can be twisted by the twist handle to drive the arc positioning plate 209. The ball valve to be welded can be clamped and fixed by multiple driven arc positioning plates 209, thereby improving the welding effect of the ball valve to be welded.

[0042] As an improved solution of the above solution, the auxiliary component 2 further includes a maintenance port, which is opened at the front end of the lower mounting shell 201 and a maintenance plate 208 is installed at the maintenance port.

[0043] The maintenance plate 208 is opened, and waste chips generated by welding at the bottom of the lower mounting shell 201 can be collected through the maintenance port.

[0044] See also Figure 2-Figure 3 As an improved solution of the above solution, it also includes a transparent observation window, and two transparent observation windows are provided. The two transparent observation windows are respectively installed on the side end surfaces of the upper mounting shell 101 and the lower mounting shell 201.

[0045] The transparent observation window can be used to conveniently observe the welding process inside the upper mounting shell 101 and the lower mounting shell 201 .

[0046] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples. In accordance with the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0047] The embodiments of the present invention are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A welding device for a fully welded ball valve, characterized in that: include: Auxiliary components (2); as well as A welding assembly (1), wherein the welding assembly (1) is fixedly mounted on an upper end of the auxiliary assembly (2); Wherein, the welding assembly (1) comprises: An upper mounting shell (101), wherein the upper mounting shell (101) is fixedly mounted on an upper end of the auxiliary component (2); A welding machine (106), the welding machine (106) being fixedly mounted on the rear end surface inside the upper mounting shell (101); A cylinder (107), wherein the cylinder (107) is fixedly mounted on the top end surface of the upper mounting shell (101) and is located in front of the welding machine (106); and A welding gun (108), the welding gun (108) being connected to the welding machine (106) via a cable, and the welding gun (108) being fixedly mounted at the lower end of the output end of the cylinder (107); The auxiliary component (2) comprises: A lower mounting shell (201), wherein four cylinders (107) are fixedly mounted in a rectangular array at the bottom of the interior of the lower mounting shell (201), and a lifting rod (202) is fixedly connected to the upper end of the output end of the cylinder (107), and the upper ends of the four lifting rods (202) all slide through the top end of the lower mounting shell (201) and are fixedly mounted in a rectangular array on the lower end surface of the upper mounting shell (101); A second motor (206), the second motor (206) being embedded and fixedly mounted on the right end surface of the lower mounting shell (201); a second bidirectional screw rod (207), wherein the right end of the second bidirectional screw rod (207) is fixedly connected to the left end of the output shaft of the second motor (206), and the left end of the second bidirectional screw rod (207) is rotatably connected to the left end surface inside the lower mounting shell (201); A first bidirectional screw rod (204), wherein the first bidirectional screw rod (204) and the second bidirectional screw rod (207) are both arranged in the horizontal direction, and the two ends of the first bidirectional screw rod (204) are respectively rotatably connected to the left and right walls inside the lower mounting shell (201), and the left ends of the first bidirectional screw rod (204) and the second bidirectional screw rod (207) are linked, and the left end of the first bidirectional screw rod (204) is fixedly sleeved with a first sprocket, and the left end of the second bidirectional screw rod (207) is fixedly sleeved with a second sprocket, and the first sprocket is connected to the second sprocket via a chain (203); A rectangular nut block (212), wherein two rectangular nut blocks (212) are provided, and the first bidirectional screw rod (204) and the second bidirectional screw rod (207) are both threadedly penetrated through the two rectangular nut blocks (212); An annular positioning shell (211), wherein two annular positioning shells (211) are provided, and the two annular positioning shells (211) are respectively mounted on end surfaces of two rectangular nut blocks (212) close to each other; The first motor (205) is provided with two first motors (205), the two first motors (205) are respectively fixedly connected to two rectangular nut blocks (212) at one end face close to each other, and the output shafts of the two first motors (205) are respectively fixedly connected to two annular positioning shells (211) at one end close to each other.

2. A welding device for a fully welded ball valve according to claim 1, characterized in that: The welding assembly (1) further comprises: A purification box (102), the purification box (102) being fixedly mounted on the upper end surface of the upper mounting shell (101), and an activated carbon filter screen being arranged in the purification box (102); an air intake pipe (103), one end of the air intake pipe (103) being fixedly connected to the upper end of the purification box (102), and the connection position between the air intake pipe (103) and the purification box (102) is located on the right side of the activated carbon filter, the other end of the air intake pipe (103) being fixedly connected to the upper end of the upper mounting shell (101), and an air pump (104) being fixedly mounted on the air intake pipe (103); and An air outlet pipe (105), one end of the air outlet pipe (105) is fixedly connected to the left end of the purification box (102), and the other end of the air outlet pipe (105) is fixedly connected to the upper end of the purification box (102).

3. A welding device for a fully welded ball valve according to claim 2, characterized in that: The auxiliary component (2) further comprises: A positioning screw (210), wherein a plurality of the positioning screws (210) are provided, and the plurality of positioning screws (210) are threadedly connected in an annular array and penetrate the side end surface of the annular positioning shell (211); and A plurality of arc-shaped positioning plates (209) are provided, and the plurality of arc-shaped positioning plates (209) are rotatably connected to one end of the plurality of positioning screws (210), respectively, and the arc-shaped positioning plates (209) are located inside the annular positioning shell (211).

4. A welding device for a fully welded ball valve according to claim 3, characterized in that: The auxiliary component (2) further comprises: A twist handle, wherein a plurality of twist handles are provided, and the plurality of twist handles are respectively fixedly connected to the other end of the positioning screw rod (210).

5. A welding device for a fully welded ball valve according to claim 4, characterized in that: The auxiliary component (2) further comprises: A maintenance port is provided at the front end of the lower mounting shell (201), and a maintenance plate (208) is installed at the maintenance port.

6. A welding device for a fully welded ball valve according to claim 5, characterized in that: Also includes: Transparent observation windows, wherein two transparent observation windows are provided, and the two transparent observation windows are respectively mounted on the side end surfaces of the upper mounting shell (101) and the lower mounting shell (201).

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