Welding equipment for valve production and using method

Abstract

The invention discloses welding equipment for valve production and a using method, and relates to the technical field of valve welding, the welding equipment comprises a base and a clamping module, the clamping module is installed on the base, and when the clamping module is used for welding a valve, a steel pipe is fixed; and the clamping module comprises a mounting block, a rotating block, a clamping plate, a first motor and a second motor. By installing the clamping module, the welding function of the welding equipment on flanges and steel pipes in different connection modes is achieved, the adaptability and flexibility of the welding equipment are improved, and the problem that the welding equipment can only weld flanges and steel pipes in a single connection mode is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of valve welding, and in particular to welding equipment for valve production and a use method thereof. Background Art

[0002] With the continuous development of industrial production, the quality and performance requirements of valve products are getting higher and higher. The valve body is a key component of the valve. The connecting pipes on it are reliably connected to other pipes through flanges to ensure the transmission of fluid media. The pipe welding point is the intersection line. Therefore, the welding quality of the connecting pipes on the valve body is very important.

[0003] Traditional welding equipment can often only weld flanges and steel pipes with a single connection method, resulting in insufficient adaptability and flexibility of traditional welding equipment, making it difficult to meet the production needs of valves of different specifications and types. When welding flanges and steel pipes with different connection methods, equipment needs to be replaced, which increases production preparation time and cost and reduces production efficiency. Therefore, a welding equipment for valve production and its use method are extremely important.

[0004] Patent document CN113560779B discloses a welding device suitable for valve production. The above patent realizes the adjustment of the coaxiality of valve parts and running track parts, but the above patent cannot realize the welding function of the welding device for flanges and steel pipes with different connection methods.

[0005] Patent document CN117984004B discloses a welding device for valve production. The above patent realizes uniform grinding of the intersection line of the pipe body, ensures that the pipe head and the pipe body remain aligned during welding, and improves the efficiency of valve processing. However, the above patent cannot realize the positioning function of the welding equipment for the steel pipe.

[0006] Patent document CN115122010B discloses a welding device for producing valves. The above patent realizes that the second fastening mechanism and the first fastening mechanism clamp two workpieces in sequence, but the above patent cannot realize the function of adjusting the position of the steel pipe by the welding device.

[0007] Patent document CN118808971B discloses a valve assembly welding machine. The above patent realizes comprehensive and effective welding of valves and improves valve processing quality. However, the above patent cannot realize the function of the welding equipment to transfer the steel pipe between the clamping plates.

[0008] In summary, the above patents cannot realize the welding function of the welding equipment for flanges and steel pipes with different connection methods, cannot realize the positioning function of the welding equipment for the steel pipe, cannot realize the adjustment function of the welding equipment for the position of the steel pipe, and cannot realize the function of the welding equipment for transferring the steel pipe between the clamping plates, resulting in low flexibility of the welding equipment, reduced welding accuracy, and high labor costs; To this end, the present application proposes a welding device for valve production and a method of use that realizes the welding function of the welding equipment on flanges and steel pipes with different connection methods, the positioning function of the welding equipment on the steel pipe, the adjustment function of the welding equipment on the position of the steel pipe, and the function of the welding equipment to transfer the steel pipe between the clamping plates. Summary of the invention

[0009] The object of the present invention is to provide a welding device for valve production and a method of use to solve the technical problems raised in the above background technology.

[0010] To achieve the above object, the present invention provides the following technical solution: a welding device for valve production, comprising a base and a clamping module, wherein the clamping module is installed on the base, and the clamping module fixes the steel pipe when welding the valve; The clamping module comprises: a mounting block, a rotating block, a clamping plate, a first motor, and a second motor; The base is movably mounted on the outer wall of the mounting block, the side wall of the mounting block is fixedly connected with a moving block, the side wall of the moving block is fixedly connected with a first tooth plate, the top of the outer wall of the base is fixedly mounted with a second motor, the second motor is connected with a first gear through a rotating shaft, the first gear is meshed with the first tooth plate, the side wall of the mounting block is fixedly mounted with a first motor, the side wall of the first motor is movably mounted with a first rotating shaft, the outer wall of the first rotating shaft is fixedly mounted with a rotating block, the side wall of the rotating block is fixedly connected with a clamping plate, and the top of the outer wall of the base is movably mounted with a storage rack.

[0011] Preferably, a centering module is installed on the shelf, and the centering module adjusts the steel pipe when welding the valve; The centering module includes: a placement slot, a positioning plate, a first moving rod and a sixth motor; A placement groove is provided at the top of the outer wall of the storage rack, and four movable grooves are provided at the top of the outer wall of the placement groove. The movable groove is movably mounted on the outer wall of the positioning plate, and the positioning plate is movably mounted on the outer wall of the first moving rod. A first bevel gear is fixedly connected to the side wall of the first moving rod. A sixth motor is fixedly installed in the storage rack, and the sixth motor is connected to a second bevel gear through a rotating shaft, and the second bevel gear is meshed with the first bevel gear.

[0012] Preferably, an adjustment module is installed on the storage rack, and the adjustment module is used to adjust the position of the steel pipe; The regulating module comprises: an inclined slot, an regulating roller, a fifth motor, an regulating plate and a seventh motor; The top of the outer wall of the storage rack is symmetrically provided with inclined grooves, the side wall of the storage rack is symmetrically fixedly connected with a fifth motor, the side wall of the fifth motor is movably installed with a fifth rotating shaft, the outer wall of the fifth rotating shaft is movably mounted with a storage rack, the outer wall of the fifth rotating shaft is fixedly mounted with a first transmission wheel, the outer wall of the first transmission wheel is movably mounted with a transmission belt, the storage rack is movably mounted on the outer wall of the rotating shaft, the outer wall of the rotating shaft is fixedly mounted with an adjusting roller, the outer wall of the rotating shaft is fixedly mounted with a second transmission wheel, the outer wall of the second transmission wheel is fixedly mounted with a transmission belt, the storage rack is movably mounted on the outer wall of the adjusting plate, the top of the outer wall of the adjusting plate is fixedly connected with a second toothed plate, the storage rack is fixedly mounted with a seventh motor, the seventh motor is connected with a second gear through a rotating shaft, and the second gear is meshed with the second toothed plate.

[0013] Preferably, the base is movably mounted on the outer wall of the second moving rod, and a transmission module is installed on the second moving rod, and the transmission module is used to move the steel pipe between the clamping plates; The transmission module includes: a fourth gear, a moving plate, a connecting plate, and a mounting plate; A fourth gear is fixedly mounted in the center of the outer wall of the second moving rod, an eighth motor is fixedly mounted in the base, the eighth motor is connected to the third gear via a rotating shaft, the third gear is meshed with the fourth gear, a moving plate is fixedly mounted on the second moving rod, the moving plate is connected to a connecting plate via a rotating shaft, the connecting plate is connected to a mounting plate via a rotating shaft, and the mounting plate is fixedly connected to the bottom of the outer wall of the rack.

[0014] Preferably, the side wall of the base is fixedly connected to a side plate, the top of the outer wall of the side plate is fixedly connected to a third motor, the bottom of the outer wall of the third motor is movably mounted with a third rotating shaft, the outer wall of the third rotating shaft is movably sleeved with a lifting plate, the top of the outer wall of the lifting plate is fixedly mounted with a fourth motor, the fourth motor is connected to a mounting frame through a rotating shaft, four movable shafts are fixedly mounted on the bottom of the mounting frame, the outer wall of the movable shaft is movably sleeved with a clamping block, the side wall of the clamping block is fixedly connected with a compression spring, the side wall of the compression spring is fixedly connected with the mounting frame, and the compression spring is movably sleeved on the outer wall of the movable shaft.

[0015] Preferably, a first drive motor is fixedly installed in the side panel, a fourth rotating shaft is movably installed on the top of the outer wall of the first drive motor, a movable track is movably mounted on the outer wall of the fourth rotating shaft, the movable track is movably mounted on the outer wall of the positioning column, a first movable frame is fixedly connected to the top of the outer wall of the positioning column, a second drive motor is fixedly installed on the top of the outer wall of the first movable frame, the second drive motor is connected to a fifth gear through a rotating shaft, an annular gear plate is fixedly connected to the inner wall of the movable track, the annular gear plate is meshed with the movable track, a second movable frame is movably mounted on the outer wall of the first movable frame, and a welding gun is movably mounted on the second movable frame.

[0016] Preferably, the side wall of the second movable frame is fixedly mounted with a third driving motor, the side wall of the third driving motor is movably mounted with a third moving rod, the outer wall of the third moving rod is movably sleeved with the second movable frame, and the first movable frame is movably sleeved on the outer wall of the third moving rod.

[0017] Preferably, a rotating block is fixedly mounted on the outer wall of the first rotating shaft, a limiting groove is arranged on the side wall of the rotating block, the top of the outer wall of the mounting block is fixedly connected to the limiting block, and the limiting groove is movably mounted on the outer wall of the limiting block.

[0018] Preferably, the method of use comprises the following steps: S1. Place the flange between the four clamping blocks. When welding the pipe mouth and the flange of the steel pipe, place the steel pipe on the placement slot. Start the sixth motor. The sixth motor drives the second bevel gear, the first bevel gear, the first moving rod and the positioning plate. The positioning plate drives the steel pipe to move and moves the steel pipe to the center of the rack. When welding the pipe surface and flange of the steel pipe, place the steel pipe on the chute, start the seventh motor, the seventh motor drives the second gear, the second tooth plate and the adjustment plate, the adjustment plate drives the steel pipe to move horizontally, the eighth motor drives the third gear, the fourth gear, the second moving rod and the moving plate, the moving plate drives the connecting plate, the mounting plate, the rack and the steel pipe; S2, start the second motor, the second motor drives the first gear, the first gear plate, the mounting block, the rotating block and the clamping plate, the clamping plate fixes the steel pipe, start the third motor, the third motor drives the third rotating shaft, the lifting plate, the mounting frame, the clamping block and the flange, and the flange is butt-jointed with the steel pipe; S3, start the second drive motor, the second drive motor drives the fifth gear to rotate, the fifth gear moves on the annular gear plate, the fifth gear drives the second drive motor to move, the second drive motor drives the first mobile frame, the second mobile frame and the welding gun to move, and the welding gun welds the flange and the steel pipe.

[0019] Preferably, the method of use further comprises the following steps: S11. During the welding process of the pipe surface and the flange of the steel pipe, the fifth motor is started, the fifth motor drives the fifth rotating shaft, the first transmission wheel, and the transmission belt, the transmission belt drives the second transmission wheel, the rotating shaft, and the adjusting roller, and the adjusting roller drives the steel pipe to rotate, and the fifth motor is turned off when the intersection line of the steel pipe and the flange is aligned; S12. During the welding process of the pipe surface and the flange of the steel pipe, the first motor is started, and the first motor drives the first rotating shaft, the rotating block and the clamping plate to adjust the rotating block from a horizontal position to a vertical position; S21, starting the third driving motor, the third driving motor drives the third moving rod, and the third moving rod drives the second moving frame and the welding gun.

[0020] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes the welding function of the welding equipment for flanges and steel pipes with different connection modes by installing a clamping module, thereby improving the adaptability and flexibility of the welding equipment and solving the problem that the welding equipment can only weld flanges and steel pipes with a single connection mode; 2. The present invention realizes the positioning function of the welding equipment on the steel pipe by installing a centering module, realizes the centering adjustment of the steel pipe when the flange and the pipe mouth of the steel pipe are welded, solves the problem of misalignment when the steel pipe and the flange are butt-jointed, and improves the quality of welding; 3. The present invention realizes the function of adjusting the position of the steel pipe by installing an adjustment module, realizes the position adjustment of the steel pipe when the flange and the pipe surface of the steel pipe are welded, and solves the welding defect problem caused by the misalignment of the steel pipe and the flange; 4. The present invention realizes the function of the welding equipment to transmit the steel pipe to between the clamping plates by installing a transmission module, and realizes the delivery of the steel pipe when the flange and the pipe surface of the steel pipe are welded, thereby improving the automation degree of the welding equipment and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the structure of the clamping module of the present invention; Figure 3 It is a schematic diagram of the structure of the storage rack of the present invention; Figure 4 It is a schematic structural diagram of a first mobile frame of the present invention; Figure 5 It is a schematic diagram of the structure of the regulating module of the present invention; Figure 6 It is a schematic diagram of the structure of the transmission module of the present invention; Figure 7 It is a schematic diagram of the centering module structure of the present invention; Figure 8 It is a schematic diagram of the mounting frame structure of the present invention.

[0022] In the figure: 1, base; 2, side plate; 3, mounting block; 4, rotating block; 5, clamping plate; 6, first motor; 7, rotating block; 8, limiting groove; 9, first rotating shaft; 10, limiting block; 11, second motor; 12, first gear; 13, moving block; 14, first tooth plate; 15, third motor; 16, third rotating shaft; 17, fourth rotating shaft; 18, first driving motor; 19, fourth motor; 20, lifting plate; 21, moving track; 22, storage rack; 23, inclined slot; 24, placement slot; 25, adjusting roller; 26, positioning plate; 27, fifth motor; 28, fifth rotating shaft; 29, adjusting plate; 30, moving groove; 31, first moving rod; 32, first bevel gear ; 33, the sixth motor; 34, the second bevel gear; 35, the first transmission wheel; 36, the transmission belt; 37, the second tooth plate; 38, the seventh motor; 39, the second gear; 40, the eighth motor; 41, the third gear; 42, the fourth gear; 43, the second moving rod; 44, the moving plate; 45, the connecting plate; 46, the mounting plate; 47, the second drive motor; 48, the fifth gear; 49, the first moving frame; 50, the positioning column; 51, the second moving frame; 52, the welding gun; 53, the third drive motor; 54, the third moving rod; 55, the annular tooth plate; 56, the mounting frame; 57, the clamping block; 58, the moving shaft; 59, the compression spring; 60, the second transmission wheel; 61, the rotating shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 , Figure 2 and Figure 6 , an embodiment provided by the present invention: a welding device for valve production, comprising a base 1 and a clamping module, the base 1 is equipped with a clamping module, the clamping module fixes the steel pipe when welding the valve; the clamping module comprises: a mounting block 3, a rotating block 4, a clamping plate 5, a first motor 6, and a second motor 11; the base 1 is movably sleeved on the outer wall of the mounting block 3, the side wall of the mounting block 3 is fixedly connected with a moving block 13, the side wall of the moving block 13 is fixedly connected with a first toothed plate 14, the top of the outer wall of the base 1 is fixedly installed with a second motor 11, the second motor 11 is connected with a first gear 12 through a rotating shaft, the first gear 12 is meshed with the first toothed plate 14, the side wall of the mounting block 3 is fixedly installed with a first motor 6, the side wall of the first motor 6 is movably installed with a first rotating shaft 9, the outer wall of the first rotating shaft 9 is fixedly sleeved with a rotating block 4, the side wall of the rotating block 4 is fixedly connected with a clamping plate 5, and the top of the outer wall of the base 1 is movably installed with a storage rack 22; The base 1 is movably sleeved on the outer wall of the second moving rod 43, and a transmission module is installed on the second moving rod 43, and the transmission module is used to move the steel pipe between the clamping plates 5; the transmission module includes: a fourth gear 42, a moving plate 44, a connecting plate 45, and a mounting plate 46; the fourth gear 42 is fixedly sleeved on the center of the outer wall of the second moving rod 43, and an eighth motor 40 is fixedly installed in the base 1, and the eighth motor 40 is connected to the third gear 41 through a rotating shaft, and the third gear 41 is meshed with the fourth gear 42, and the second moving rod 43 is fixedly sleeved with a moving plate 44, and the moving plate 44 is connected to the connecting plate 45 through a rotating shaft, and the connecting plate 45 is connected to the mounting plate 46 through a rotating shaft, and the mounting plate 46 is fixedly connected to the bottom of the outer wall of the storage rack 22.

[0027] Further, when welding the flange and the steel pipe, there are two connection methods, namely, connecting the flange with the pipe mouth of the steel pipe and connecting the flange with the pipe surface of the steel pipe. When welding the flange with the pipe mouth of the steel pipe, the staff vertically places the steel pipe in the center of the rack 22 so that the pipe mouth on one side of the steel pipe contacts the rack 22, wherein the pipe mouth in contact with the rack 22 is the side that does not need to be welded, and the steel pipe is between the clamping plates 5. The second motor 11 is started, and the second motor 11 drives the first gear 12 to rotate through the rotating shaft, wherein the two sides of the first gear 12 are respectively A first tooth plate 14 is meshed, and the first gear 12 drives the first tooth plate 14 to move. The first tooth plates 14 on both sides of the first gear 12 move in opposite directions. The first tooth plate 14 drives the moving block 13 to move, so that the moving blocks 13 on both sides of the first gear 12 move in opposite directions. The moving block 13 drives the mounting block 3 to move, the mounting block 3 drives the rotating block 4 to move, and the rotating block 4 drives the clamping plate 5 to move, so that the clamping plates 5 on both sides of the steel pipe are gradually approached. When the clamping plates 5 are tightly fitted with the surface of the steel pipe, the second motor 11 is turned off to achieve the fixing of the steel pipe by the clamping plates 5; When welding the flange to the pipe surface of the steel pipe, the worker places the steel pipe horizontally on the rack 22, starts the first motor 6, the first motor 6 drives the first rotating shaft 9 to rotate, the first rotating shaft 9 drives the rotating block 4 to rotate, the rotating block 4 drives the clamping plate 5 to rotate, so that the rotating block 4 is adjusted from a horizontal state to a vertical state, and then starts the eighth motor 40, the eighth motor 40 drives the third gear 41 to rotate through the rotating shaft, the third gear 41 drives the fourth gear 42 to rotate, the fourth gear 42 drives the second moving rod 43 to rotate, the second moving rod 43 drives the moving plate 44 to move, wherein the fourth gear 40 drives the third gear 41 to rotate through the rotating shaft, the third gear 41 drives the fourth gear 42 to rotate, the fourth gear 42 drives the second moving rod 43 to rotate, the second moving rod 43 drives the moving plate 44 to move, wherein the fourth gear The outer wall threads of the moving plates 44 on both sides of the wheel 42 are opposite, so that the moving directions of the moving plates 44 on both sides of the fourth gear 42 are opposite, and then the moving plates 44 gradually approach each other, and the moving plates 44 drive the connecting plates 45 to move, so that the angle between the connecting plates 45 and the horizontal plane gradually increases, so that the connecting plates 45 drive the mounting plates 46 to gradually rise, and the mounting plates 46 drive the racks 22 to gradually rise, and the racks 22 drive the steel pipes to gradually rise until the steel pipes are between the clamping plates 5, and finally the second motor 11 is started, and the steps are the same as when welding the flange and the pipe mouth of the steel pipe, so that the clamping plates 5 can fix the steel pipes; By changing the position of the rotating block 4 and the clamping plate 5 through the first motor 6, the welding equipment can weld flanges and steel pipes with different connection methods; by changing the distance between the clamping plates 5 through the second motor 11, the welding equipment can fix steel pipes of different sizes, thereby further improving the flexibility of the equipment; by driving the storage rack 22 to rise and fall through the sixth motor 33, when the welding equipment is welding the flange and the pipe surface of the steel pipe, the staff does not need to manually move the steel pipe between the clamping plates 5, thereby reducing labor costs.

[0028] See also Figure 1 , Figure 3 and Figure 7 , an embodiment of the present invention: a welding device for valve production, comprising a base 1 and a clamping module, the base 1 is equipped with a clamping module, the clamping module fixes the steel pipe when welding the valve; the clamping module comprises: a mounting block 3, a rotating block 4, a clamping plate 5, a first motor 6, and a second motor 11; the rack 22 is equipped with a centering module, the centering module adjusts the centering of the steel pipe when welding the valve; the centering module comprises: a placement slot 24, a positioning plate 26, a first moving rod 31 and the sixth motor 33; a placement slot 24 is opened on the top of the outer wall of the storage rack 22, and four movable slots 30 are opened on the top of the outer wall of the placement slot 24. The movable slot 30 is movably mounted on the outer wall of the positioning plate 26, and the positioning plate 26 is movably mounted on the outer wall of the first moving rod 31. The side wall of the first moving rod 31 is fixedly connected with the first bevel gear 32. The sixth motor 33 is fixedly installed in the storage rack 22. The sixth motor 33 is connected to the second bevel gear 34 through a rotating shaft, and the second bevel gear 34 is meshed with the first bevel gear 32.

[0029] Furthermore, when welding the flange to the pipe mouth of the steel pipe, the worker vertically places the steel pipe in the center of the placement groove 24 so that the pipe mouth on one side of the steel pipe contacts the storage rack 22, wherein the pipe mouth in contact with the storage rack 22 is the side that does not need to be welded, and the steel pipe is located between the four positioning plates 26. The sixth motor 33 is started, and the sixth motor 33 drives the second bevel gear 34 through the rotating shaft, and the second bevel gear 34 drives the four first bevel gears 32 meshing therewith to rotate, and the first bevel gear 32 drives the first moving rod 31 to rotate, and the first The moving rod 31 drives the positioning plate 26 to move in the placement slot 24, so that the positioning plate 26 gradually approaches the steel pipe. The four positioning plates 26 will drive the steel pipe during the movement, so that the four positioning plates 26 gradually contact the steel pipe. When the steel pipe is in close contact with the four positioning plates 26 at the same time, it means that the steel pipe is already in the center position of the placement slot 24 on the storage rack 22. At this time, the sixth motor 33 is turned off and the second motor 11 is started, so that the clamping plate 5 fixes the steel pipe, ensuring the accurate position of the fixed steel pipe and the accuracy of the welding position.

[0030] See also Figure 1 , Figure 3 and Figure 5, an embodiment of the present invention: a welding device for valve production, a clamping module is installed on the base 1, and the clamping module fixes the steel pipe when welding the valve; the base 1 is movably mounted on the outer wall of the second moving rod 43, and a transmission module is installed on the second moving rod 43, and the transmission module is used to move the steel pipe between the clamping plates 5; the transmission module includes: a fourth gear 42, a moving plate 44, a connecting plate 45, and a mounting plate 46; the clamping module includes: a mounting block 3, a rotating block 4, a clamping plate 5, a first motor 6, and a second motor 11; an adjustment module is installed on the rack 22, and the adjustment module is used to adjust the position of the steel pipe; the adjustment module includes: an inclined slot 23, an adjustment roller 25, a fifth motor 27, an adjustment plate 29 and a seventh motor 38; the top of the outer wall of the rack 22 is symmetrically provided with an inclined slot 23 The side wall of the storage rack 22 is symmetrically fixedly connected with a fifth motor 27, and a fifth rotating shaft 28 is movably installed on the side wall of the fifth motor 27. The outer wall of the fifth rotating shaft 28 is movably mounted with the storage rack 22, and the outer wall of the fifth rotating shaft 28 is fixedly mounted with a first transmission wheel 35, and the outer wall of the first transmission wheel 35 is movably mounted with a transmission belt 36. The storage rack 22 is movably mounted on the outer wall of the rotating shaft 61, and the outer wall of the rotating shaft 61 is fixedly mounted with an adjusting roller 25, and the outer wall of the rotating shaft 61 is fixedly mounted with a second transmission wheel 60, and the outer wall of the second transmission wheel 60 is fixedly mounted with a transmission belt 36. The storage rack 22 is movably mounted on the outer wall of the adjusting plate 29, and the top of the outer wall of the adjusting plate 29 is fixedly connected with a second toothed plate 37. The storage rack 22 is fixedly mounted with a seventh motor 38, and the seventh motor 38 is connected with a second gear 39 through a rotating shaft, and the second gear 39 is meshed with the second toothed plate 37.

[0031] Furthermore, when welding the flange to the pipe surface of the steel pipe, the staff horizontally places the steel pipe in the inclined groove 23 of the storage rack 22, so that the pipe surface of the steel pipe contacts the adjusting roller 25, and starts the fifth motor 27. The fifth motor 27 drives the fifth rotating shaft 28 to rotate, and the fifth rotating shaft 28 drives the first transmission wheel 35 to rotate, the first transmission wheel 35 drives the transmission belt 36 to rotate, the transmission belt 36 drives the second transmission wheel 60 to rotate, the second transmission wheel 60 drives the rotating shaft 61 to rotate, the rotating shaft 61 drives the adjusting roller 25 to rotate, and the adjusting roller 25 drives the steel pipe to rotate, thereby preliminarily adjusting the position of the intersection line on the steel pipe, and starts the seventh motor 38. The seventh motor 38 drives the second gear 39 through the rotating shaft. The second gear 39 drives the second tooth plate 37, and the second tooth plate 37 drives the adjustment plate 29, and the adjustment plate 29 drives the steel pipe to move in the horizontal direction. By controlling the seventh motor 38 on the rack 22, the positions of the adjustment plates 29 on both sides of the rack 22 are adjusted, and then the position of the steel pipe is adjusted, so that the intersection line of the steel pipe is adjusted to the center of the rack 22. After the adjustment is completed, the eighth motor 40 in the transmission module is started, so that the rack 22 drives the steel pipe to move upward, and then the first motor 6 is started to rotate the rotating block 4 to a vertical position, and the second motor 11 is started to make the clamping plate 5 gradually approach to clamp the steel pipe, thereby ensuring the accurate position of the fixed steel pipe and the accuracy of the welding position.

[0032] See also Figure 1 and Figure 8 An embodiment of the present invention is as follows: a welding device for valve production comprises a base 1 and a clamping module, wherein the base 1 is provided with a clamping module, and the clamping module is used to fix a steel pipe when welding a valve; the clamping module comprises: a mounting block 3, a rotating block 4, a clamping plate 5, a first motor 6, and a second motor 11; the side wall of the base 1 is fixedly connected with a side plate 2, the top of the outer wall of the side plate 2 is fixedly connected with a third motor 15, the bottom of the outer wall of the third motor 15 is movably installed with a third rotating shaft 16, the outer wall of the third rotating shaft 16 is movably sleeved with a lifting plate 20, the top of the outer wall of the lifting plate 20 is fixedly installed with a fourth motor 19, the fourth motor 19 is connected with a mounting frame 56 through a rotating shaft, four movable shafts 58 are fixedly installed at the bottom of the mounting frame 56, the outer wall of the movable shaft 58 is movably sleeved with a clamping block 57, the side wall of the clamping block 57 is fixedly connected with a compression spring 59, the side wall of the compression spring 59 is fixedly connected with the mounting frame 56, and the compression spring 59 is movably sleeved on the outer wall of the movable shaft 58.

[0033] Further, an external force is applied to the clamping block 57, and the clamping block 57 moves on the moving shaft 58, so that the clamping block 57 compresses the compression spring 59, and the flange is placed between the four clamping blocks 57. The application of the external force to the clamping block 57 is stopped, and the compression spring 59 releases its elastic force. Under the action of the elastic force of the compression spring 59, the compression spring 59 squeezes the clamping block 57, and the clamping block 57 squeezes the flange to fix the flange. When welding the flange to the pipe mouth of the steel pipe, the clamping plates 5 on both sides of the steel pipe are gradually approached by starting the second motor 11 to fix the steel pipe. The third motor 15 is started, and the third motor 15 drives the third rotating shaft 16 to rotate, and the third rotating shaft 16 drives the lifting plate 20 to move, and the lifting plate 20 drives the fourth motor 19 and the mounting frame 56 to move, and the mounting frame 56 drives the moving shaft 58 and the clamping block 57 to move, and the clamping block 57 drives the flange to move, so that the flange gradually moves downward, so that the flange and the steel pipe are docked. When welding the flange to the pipe surface of the steel pipe, the first motor 6 is started to rotate the rotating block 4 to a vertical position, the second motor 11 is started to gradually bring the clamping plates 5 on both sides of the steel pipe closer to each other to fix the steel pipe, and the fourth motor 19 is started. The fourth motor 19 drives the mounting frame 56 to rotate through the rotating shaft, and the mounting frame 56 drives the moving shaft 58 and the clamping block 57 to rotate, and the clamping block 57 drives the flange to rotate, so as to adjust the position of the flange intersection line. After the adjustment is completed, the fourth motor 19 is turned off, and the third motor 15 is started. The third motor 15 drives the third rotating shaft 16, the lifting plate 20, the fourth motor 19 and the mounting frame 56, and the mounting frame 56 drives the moving shaft 58, the clamping block 57 and the flange to move downward, so that the flange and the steel pipe are docked.

[0034] See also Figure 1 , Figure 2 and Figure 4 , an embodiment of the present invention is: a welding device for valve production, wherein a first drive motor 18 is fixedly installed in the side plate 2, a fourth rotating shaft 17 is movably installed on the top of the outer wall of the first drive motor 18, a movable track 21 is movably mounted on the outer wall of the fourth rotating shaft 17, and the movable track 21 is movably mounted on the outer wall of the positioning column 50, a first moving frame 49 is fixedly connected to the top of the outer wall of the positioning column 50, a second drive motor 47 is fixedly installed on the top of the outer wall of the first moving frame 49, the second drive motor 47 is connected to the fifth gear 48 through the rotating shaft, an annular gear plate 55 is fixedly connected to the inner wall of the moving track 21, the annular gear plate 55 is meshed with the moving track 21, a second moving frame 51 is movably mounted on the outer wall of the first moving frame 49, and a welding gun 52 is movably mounted on the second moving frame 51; a third drive motor 53 is fixedly installed on the side wall of the second moving frame 51, a third moving rod 54 is movably mounted on the side wall of the third drive motor 53, the outer wall of the third moving rod 54 is movably mounted with the second moving frame 51, and the first moving frame 49 is movably mounted on the outer wall of the third moving rod 54.

[0035] Further, after the steel pipe and the flange are butt-jointed, the first drive motor 18 is started, the first drive motor 18 drives the fourth rotating shaft 17 to rotate, the fourth rotating shaft 17 drives the moving track 21 to move, the moving track 21 drives the first moving frame 49, the second moving frame 51 and the welding gun 52 to move, so as to adjust the vertical position of the welding gun 52, and the third drive motor 53 is started, the third drive motor 53 drives the third moving rod 54 to rotate, the first moving frame 49 is sleeved on the outer wall of the third moving rod 54, so that the position of the first moving frame 49 on the third moving rod 54 changes, thereby changing the relative position of the first moving frame 49 and the second moving frame 51, so that the second moving frame 51 moves, and the second moving frame 51 drives the welding gun 52 to move, so as to adjust the horizontal position of the welding gun 52 According to the position of the intersection line of the steel pipe and the flange, the staff moves the welding gun 52 to a suitable position through the first drive motor 18 and the third drive motor 53, and starts the second drive motor 47. The second drive motor 47 drives the fifth gear 48 to rotate through the rotating shaft, and the fifth gear 48 rotates on the annular gear plate 55, so that the fifth gear 48 moves along the annular gear plate 55. The fifth gear 48 drives the second drive motor 47 and the first movable frame 49 to move through the rotating shaft. The first movable frame 49 drives the positioning column 50 to move, and the positioning column 50 moves in the movable track 21. The positioning column 50 avoids the misalignment of the first movable frame 49 during the movement. The first movable frame 49 drives the second movable frame 51 and the welding gun 52 to move, and the welding gun 52 welds the flange and the steel pipe during the movement.

[0036] See also Figure 1 and Figure 2 , an embodiment of the present invention is: a welding device for valve production, wherein a base 1 is movably mounted on the outer wall of a mounting block 3, a moving block 13 is fixedly connected to the side wall of the mounting block 3, a first toothed plate 14 is fixedly connected to the side wall of the moving block 13, a second motor 11 is fixedly mounted on the top of the outer wall of the base 1, the second motor 11 is connected to a first gear 12 through a rotating shaft, the first gear 12 is meshed with the first toothed plate 14, a first motor 6 is fixedly mounted on the side wall of the mounting block 3, a first rotating shaft 9 is movably mounted on the side wall of the first motor 6, a rotating block 4 is fixedly mounted on the outer wall of the first rotating shaft 9, a clamping plate 5 is fixedly connected to the side wall of the rotating block 4, a storage rack 22 is movably mounted on the top of the outer wall of the base 1, a rotating block 7 is fixedly mounted on the outer wall of the first rotating shaft 9, a limiting groove 8 is provided on the side wall of the rotating block 7, a limiting block 10 is fixedly connected to the top of the outer wall of the mounting block 3, and the limiting groove 8 is movably mounted on the outer wall of the limiting block 10.

[0037] Furthermore, when welding the flange to the pipe surface of the steel pipe, the staff places the steel pipe horizontally on the storage rack 22 and starts the first motor 6. The first motor 6 drives the first rotating shaft 9 to rotate. The first rotating shaft 9 drives the rotating block 4 and the rotating block 7 to rotate. The rotating block 4 drives the clamping plate 5 to rotate, so that the rotating block 4 is adjusted from a horizontal state to a vertical state. During the rotation of the rotating block 7, the position of the limit groove 8 changes with the rotation of the rotating block 7. The limit groove 8 is mounted on the outer wall of the limit block 10, so that the limit block 10 limits the moving range of the limit groove 8, thereby limiting the rotation range of the rotating block 7, and then limiting the rotation range of the first rotating shaft 9 and the rotating block 4, so that the rotating block 4 can be accurately rotated to the horizontal position and the vertical position, avoiding the staff's operating errors, resulting in inaccurate position of the rotating block 4, thereby affecting the fixation of the steel pipe by the clamping plate 5.

[0038] Working principle: when welding the flange and the pipe mouth of the steel pipe, the staff will vertically place the steel pipe between the four positioning plates 26 on the placement groove 24, start the sixth motor 33, the sixth motor 33 drives the second bevel gear 34, the first bevel gear 32, the first moving rod 31 and the positioning plate 26, the four positioning plates 26 position the steel pipe, start the second motor 11, the second motor 11 drives the first gear 12, the first tooth plate 14, the moving block 13, the mounting block 3, the rotating block 4 and the clamping plate 5 to move, so as to realize the fixing of the steel pipe by the clamping plate 5; When welding the flange to the pipe surface of the steel pipe, the worker places the steel pipe horizontally in the chute 23, starts the fifth motor 27, causes the adjusting roller 25 to drive the steel pipe to rotate, starts the seventh motor 38, causes the adjusting plate 29 to drive the steel pipe to move, adjusts the intersection line of the steel pipe to the center of the rack 22, starts the eighth motor 40, causes the rack 22 to drive the steel pipe to move upward, and then starts the first motor 6 to rotate the rotating block 4 to a vertical position, and starts the second motor 11 to gradually move the clamping plate 5 closer to fix the steel pipe; The flange is placed between the four clamping blocks 57 to fix the flange, the third motor 15 is started to gradually move the flange downward to dock with the steel pipe, the first drive motor 18 and the third drive motor 53 are started, the position of the welding gun 52 is adjusted, and the second drive motor 47 is started to make the first moving frame 49 drive the second moving frame 51 and the welding gun 52 to move, and the welding gun 52 welds the flange and the steel pipe during the movement.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A welding device for valve production, characterized in that: It comprises a base (1) and a clamping module, wherein the base (1) is mounted with the clamping module, and the clamping module is used to fix the steel pipe when welding the valve; The clamping module comprises: a mounting block (3), a rotating block (4), a clamping plate (5), a first motor (6), and a second motor (11); The base (1) is movably mounted on the outer wall of the mounting block (3); a moving block (13) is fixedly connected to the side wall of the mounting block (3); a first toothed plate (14) is fixedly connected to the side wall of the moving block (13); a second motor (11) is fixedly mounted on the top of the outer wall of the base (1); the second motor (11) is connected to a first gear (12) via a rotating shaft; the first gear (12) is meshed with the first toothed plate (14); a first motor (6) is fixedly mounted on the side wall of the mounting block (3); a first rotating shaft (9) is movably mounted on the side wall of the first motor (6); a rotating block (4) is fixedly mounted on the outer wall of the first rotating shaft (9); a clamping plate (5) is fixedly connected to the side wall of the rotating block (4); and a storage rack (22) is movably mounted on the top of the outer wall of the base (1).

2. A valve production welding device according to claim 1, characterized in that: A centering module is installed on the storage rack (22), and the centering module is used to adjust the centering of the steel pipe when welding the valve; The centering module comprises: a placement slot (24), a positioning plate (26), a first moving rod (31) and a sixth motor (33); A placement groove (24) is provided at the top of the outer wall of the storage rack (22), four movable grooves (30) are provided at the top of the outer wall of the placement groove (24), the movable groove (30) is movably mounted on the outer wall of the positioning plate (26), the positioning plate (26) is movably mounted on the outer wall of the first movable rod (31), a first bevel gear (32) is fixedly connected to the side wall of the first movable rod (31), a sixth motor (33) is fixedly installed in the storage rack (22), the sixth motor (33) is connected to the second bevel gear (34) via a rotating shaft, and the second bevel gear (34) is meshed with the first bevel gear (32).

3. A valve production welding device according to claim 1, characterized in that: An adjustment module is installed on the storage rack (22), and the adjustment module is used to adjust the position of the steel pipe; The adjustment module comprises: an inclined slot (23), an adjustment roller (25), a fifth motor (27), an adjustment plate (29) and a seventh motor (38); The top of the outer wall of the storage rack (22) is symmetrically provided with an inclined groove (23); the side wall of the storage rack (22) is symmetrically fixedly connected with a fifth motor (27); the side wall of the fifth motor (27) is movably mounted with a fifth rotating shaft (28); the outer wall of the fifth rotating shaft (28) is movably mounted with the storage rack (22); the outer wall of the fifth rotating shaft (28) is fixedly mounted with a first transmission wheel (35); the outer wall of the first transmission wheel (35) is movably mounted with a transmission belt (36); the storage rack (22) is movably mounted on the outer wall of the rotating shaft (61); the outer wall of the rotating shaft (61) is An adjusting roller (25) is fixedly mounted on the outer wall of the rotating shaft (61), a second transmission wheel (60) is fixedly mounted on the outer wall of the second transmission wheel (60), a transmission belt (36) is fixedly mounted on the outer wall of the second transmission wheel (60), the storage rack (22) is movably mounted on the outer wall of the adjusting plate (29), a second toothed plate (37) is fixedly connected to the top of the outer wall of the adjusting plate (29), a seventh motor (38) is fixedly installed in the storage rack (22), the seventh motor (38) is connected to a second gear (39) via a rotating shaft, and the second gear (39) is meshed with the second toothed plate (37).

4. A valve production welding device according to claim 1, characterized in that: The base (1) is movably mounted on the outer wall of the second moving rod (43); a transmission module is mounted on the second moving rod (43); the transmission module is used to move the steel pipe between the clamping plates (5); The transmission module comprises: a fourth gear (42), a moving plate (44), a connecting plate (45), and a mounting plate (46); A fourth gear (42) is fixedly sleeved on the center of the outer wall of the second moving rod (43); an eighth motor (40) is fixedly installed in the base (1); the eighth motor (40) is connected to a third gear (41) via a rotating shaft; the third gear (41) is meshed with the fourth gear (42); a moving plate (44) is fixedly sleeved on the second moving rod (43); the moving plate (44) is connected to a connecting plate (45) via a rotating shaft; the connecting plate (45) is connected to a mounting plate (46) via a rotating shaft; and the mounting plate (46) is fixedly connected to the bottom of the outer wall of the storage rack (22).

5. The valve production welding equipment according to claim 1, characterized in that: The side wall of the base (1) is fixedly connected to a side plate (2); the top of the outer wall of the side plate (2) is fixedly connected to a third motor (15); the bottom of the outer wall of the third motor (15) is movably mounted with a third rotating shaft (16); the outer wall of the third rotating shaft (16) is movably sleeved with a lifting plate (20); the top of the outer wall of the lifting plate (20) is fixedly mounted with a fourth motor (19); the fourth motor (19) is connected to a mounting frame (56) via a rotating shaft; four movable shafts (58) are fixedly mounted at the bottom of the mounting frame (56); the outer wall of the movable shaft (58) is movably sleeved with a clamping block (57); the side wall of the clamping block (57) is fixedly connected to a compression spring (59); the side wall of the compression spring (59) is fixedly connected to the mounting frame (56); and the compression spring (59) is movably sleeved on the outer wall of the movable shaft (58).

6. A valve production welding device according to claim 5, characterized in that: A first drive motor (18) is fixedly mounted inside the side plate (2); a fourth rotating shaft (17) is movably mounted on the top of the outer wall of the first drive motor (18); a movable track (21) is movably mounted on the outer wall of the fourth rotating shaft (17); the movable track (21) is movably mounted on the outer wall of the positioning column (50); a first movable frame (49) is fixedly connected to the top of the outer wall of the positioning column (50); a second drive motor (47) is fixedly mounted on the top of the outer wall of the first movable frame (49); the second drive motor (47) is connected to a fifth gear (48) via a rotating shaft; an annular gear plate (55) is fixedly connected to the inner wall of the movable track (21); the annular gear plate (55) is meshed with the movable track (21); a second movable frame (51) is movably mounted on the outer wall of the first movable frame (49); and a welding gun (52) is movably mounted on the second movable frame (51).

7. A valve production welding device according to claim 6, characterized in that: A third drive motor (53) is fixedly mounted on the side wall of the second movable frame (51); a third movable rod (54) is movably mounted on the side wall of the third drive motor (53); the second movable frame (51) is movably sleeved on the outer wall of the third movable rod (54); and the first movable frame (49) is movably sleeved on the outer wall of the third movable rod (54).

8. The valve production welding equipment according to claim 1, characterized in that: The outer wall of the first rotating shaft (9) is fixedly sleeved with a rotating block (7), a limiting groove (8) is provided on the side wall of the rotating block (7), the top of the outer wall of the mounting block (3) is fixedly connected to the limiting block (10), and the limiting groove (8) is movably sleeved on the outer wall of the limiting block (10).

9. A method for using a valve production welding device, applicable to a valve production welding device according to any one of claims 1 to 8, characterized in that: The method of use comprises the following steps: S1, placing the flange between four clamping blocks (57), placing the steel pipe on the placement groove (24) while welding the pipe mouth and the flange of the steel pipe, starting the sixth motor (33), the sixth motor (33) drives the second bevel gear (34), the first bevel gear (32), the first moving rod (31) and the positioning plate (26), and the positioning plate (26) drives the steel pipe to move, and moves the steel pipe to the center of the storage rack (22); When welding the pipe surface and the flange of the steel pipe, the steel pipe is placed on the inclined groove (23), and the seventh motor (38) is started. The seventh motor (38) drives the second gear (39), the second tooth plate (37) and the adjustment plate (29), and the adjustment plate (29) drives the steel pipe to move horizontally. The eighth motor (40) drives the third gear (41), the fourth gear (42), the second moving rod (43) and the moving plate (44), and the moving plate (44) drives the connecting plate (45), the mounting plate (46), the storage rack (22) and the steel pipe; S2, starting the second motor (11), the second motor (11) drives the first gear (12), the first tooth plate (14), the mounting block (3), the rotating block (4) and the clamping plate (5), the clamping plate (5) fixes the steel pipe, starting the third motor (15), the third motor (15) drives the third rotating shaft (16), the lifting plate (20), the mounting frame (56), the clamping block (57) and the flange, and the flange is butted against the steel pipe; S3, starting the second drive motor (47), the second drive motor (47) drives the fifth gear (48) to rotate, the fifth gear (48) moves on the annular gear plate (55), the fifth gear (48) drives the second drive motor (47) to move, the second drive motor (47) drives the first moving frame (49), the second moving frame (51) and the welding gun (52) to move, and the welding gun (52) welds the flange and the steel pipe.

10. The method for using the welding equipment for valve production according to claim 9, characterized in that: The method of use also includes the following steps: S11. During the welding process of the pipe surface and the flange of the steel pipe, the fifth motor (27) is started, the fifth motor (27) drives the fifth rotating shaft (28), the first transmission wheel (35), and the transmission belt (36), the transmission belt (36) drives the second transmission wheel (60), the rotating shaft (61), and the adjusting roller (25), and the adjusting roller (25) drives the steel pipe to rotate, and when the intersection line of the steel pipe and the flange is aligned, the fifth motor (27) is turned off; S12. During the welding process of the pipe surface and the flange of the steel pipe, the first motor (6) is started, and the first motor (6) drives the first rotating shaft (9), the rotating block (4) and the clamping plate (5) to adjust the rotating block (4) from a horizontal position to a vertical position; S21, starting the third driving motor (53), the third driving motor (53) drives the third moving rod (54), and the third moving rod (54) drives the second moving frame (51) and the welding gun (52).

Images