Double-layer pipe assembling and welding machine

Abstract

The utility model discloses a double-layer pipe assembling and welding machine which comprises a working table body, a vertical plate is fixedly installed on one side of the upper end face of the working table body, a clamping assembly facilitating coaxial clamping and fixing of two pipe bodies at the same time is installed on one side of the vertical plate, and a connecting plate is installed on one side of the upper end face of the working table body. A welding assembly is installed on the connecting plate. The double-layer pipe welding device relates to the technical field of double-layer pipe welding. The electric push rod is started to drive the movable rod to do reciprocating motion, the movable rod drives the two racks to move while moving, and due to the fact that the racks are in meshed connection with the driving gear, the two inner clamping rods are driven to rotate relatively, and the two inner clamping heads are driven to clamp and fix the inner wall of an inner pipe body. And when the movable rod moves, the two outer clamping rods are driven to rotate relatively through mutual cooperation of a transmission rod, a connecting block and a second rotating rod, so that the two outer clamping plates are driven to clamp and fix the outer pipe body, and the welding accuracy is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of double-layer pipe welding, in particular to a double-layer pipe assembly welding machine. Background Art

[0002] Double-layer pipe welding machine is a device made of seamless steel pipe, spiral pipe and welded steel pipe as base material. After pre-treatment, the inner wall of the pipe interface is lined with stainless steel plate, the stainless steel plate is attached to the inner wall of the steel pipe, and then the inner and outer surfaces are coated with polyethylene anti-corrosion layer.

[0003] However, when the existing double-layer pipe welding machine clamps and fixes the double-layer pipe, it is impossible to ensure that the axes of the two pipe bodies are clamped and fixed at the same axis position. The axes of the two pipe bodies are easily offset, resulting in poor welding effect when the two pipe bodies are sealed and welded. Therefore, the utility model provides a double-layer pipe welding machine, which solves the above problem through limiting structures such as an electric push rod and a rack. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a double-layer pipe assembly welding machine to solve the above problems.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a double-layer pipe assembly welding machine, including a workbench body, a vertical plate is fixedly installed on one side of the upper end surface of the workbench body, a clamping assembly is installed on one side of the vertical plate for facilitating the coaxial clamping and fixing of two pipe bodies at the same time, a connecting plate is installed on one side of the upper end surface of the workbench body, and a welding assembly is installed on the connecting plate.

[0006] The two lever of the support frame is equipped with a toothed plate, and the two guide wheels are provided with a toothed plate at the bottom end of the toothed plate, and the toothed plate is connected with a toothed plate at one end thereof of the support frame.

[0007] Preferably, the welding assembly includes a driving motor 1 fixedly mounted on one side of the workbench body, a limiting slide groove is provided on one side of the workbench body, an output end of the driving motor 1 passes through the limiting slide groove through a bearing and is fixedly mounted with a threaded rod, one end of the threaded rod is rotatably connected to the side wall of the limiting slide groove, a sliding block is threadedly connected to the outer surface of the threaded rod, the top of the sliding block is fixedly mounted on the bottom of a connecting plate, a driving motor 2 is fixedly mounted on one side of the top of the connecting plate, an output end of the driving motor 2 passes through one side of the connecting plate through a bearing and is fixedly mounted on a turntable, a moving groove is provided on one side of the top of the turntable, a driving motor is fixedly mounted on the top of the moving groove, a threaded screw is fixedly mounted on the output end of the driving motor, the bottom end of the threaded screw is rotatably connected to the bottom wall of the moving groove, the outer surface of the threaded screw is threadedly connected to a moving block, and a welding machine is fixedly mounted on one side of the moving block.

[0008] Preferably, the two sides of the driving gear are meshingly connected with the two racks.

[0009] Preferably, the center positions of the two inner clamping heads and the center positions of the two outer clamping plates are on the same horizontal plane.

[0010] Preferably, the outer clamping plate is arranged in an arc shape.

[0011] Preferably, the movable rod movably penetrates to one side of the fixed block.

[0012] Preferably, the sliding block matches the limiting sliding groove, and the moving block matches the moving groove.

[0013] Beneficial Effects

[0014] The utility model provides a double-layer pipe assembly welding machine. Compared with the prior art, it has the following beneficial effects:

[0015] (1) The utility model starts the electric push rod to drive the movable rod to make reciprocating motion. The movable rod drives the two racks to move while moving. Due to the meshing connection between the racks and the driving gear, the two inner clamping rods are driven to rotate relative to each other, thereby driving the two inner clamping heads to clamp and fix the inner wall of the inner tube body. When the movable rod moves, the transmission rod, the connecting block and the rotating rod cooperate with each other, thereby driving the two outer clamping rods to rotate relative to each other, thereby driving the two outer clamping plates to clamp and fix the outer tube body, thereby clamping and fixing the two tube bodies at the same axial position at the same time, ensuring the accuracy during welding.

[0016] (2) The utility model starts the first drive motor to drive the threaded rod to rotate, and the threaded rod rotates to push the connecting plate to move back and forth, thereby adjusting the welding position. At the same time, the second drive motor is started to drive the turntable to rotate, and the turntable drives the welding machine to rotate while rotating, thereby performing a sealing welding between one end of the two pipe bodies. At the same time, the drive motor is started to drive the threaded screw to rotate, and the threaded screw drives the welding machine to move up and down, and the welding can be adjusted according to pipes of different sizes, and the utility model has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0018] Figure 2 It is the front view of the internal structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the clamping assembly of the utility model;

[0020] Figure 4 It is a schematic diagram of a welding assembly of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of position A in the welding assembly of the utility model.

[0022] In the figure, 1, workbench body; 2, vertical plate; 3, connecting plate; 100, clamping assembly; 101, support plate; 102, electric push rod; 103, movable rod; 104, fixed block; 105, fixed plate; 106, rack; 107, rotating rod 1; 108, driving gear; 109, inner clamping rod; 110, inner clamping head; 111, transmission rod; 112, outer clamping rod; 113, connecting block; 114, rotating rod 2; 115, outer clamping plate; 200, welding assembly; 201, driving motor 1; 202, limiting slide groove; 203, threaded rod; 204, sliding block; 205, driving motor 2; 206, turntable; 207, moving groove; 208, driving motor; 209, threaded screw; 210, moving block; 211, welding machine. DETAILED DESCRIPTION

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

[0024] Embodiment 1:

[0025] See also Figure 1-5A double-layer pipe assembly welding machine includes a workbench body 1, a vertical plate 2 is fixedly installed on one side of the upper end surface of the workbench body 1, a clamping assembly 100 is installed on one side of the vertical plate 2 for simultaneously clamping and fixing two pipe bodies coaxially, a connecting plate 3 is installed on one side of the upper end surface of the workbench body 1, and a welding assembly 200 is installed on the connecting plate 3.

[0026] The clamping assembly 100 includes a support plate 101 fixedly mounted on one side of the vertical plate 2, an electric push rod 102 is fixedly mounted on one side of the upper end surface of the support plate 101, the input end of the electric push rod 102 is connected to the power supply through an external cable, and a movable rod 103 is fixedly mounted on the output end of the electric push rod 102, a fixed block 104 is fixedly mounted on one side of the upper end surface of the support plate 101, a fixed plate 105 is fixedly mounted on the bottom of one end of the movable rod 103 away from the electric push rod 102, and racks 106 are fixedly mounted on both sides of the fixed plate 105. The upper end surface of the support plate 101 is located at One side of the two racks 106 is rotatably connected to a rotating rod 107, the bottom outer surface of the two rotating rods 107 is fixedly installed with a driving gear 108, the top outer surface of the two rotating rods 107 is fixedly installed with an inner clamping rod 109, one end of the two inner clamping rods 109 is fixedly installed with an inner clamping head 110, the end of the movable rod 103 away from the rack 106 is symmetrically rotatably connected to a transmission rod 111, one end of the two transmission rods 111 is rotatably connected to an outer clamping rod 112, and the two outer clamping rods 112 are fixedly installed with a connecting block 113 on the opposite inner side. The two connecting blocks 113 are rotatably connected with a rotating rod 114, and the bottom ends of the two rotating rods 114 are fixedly installed on the upper end surface of the support plate 101. The two outer clamping rods 112 are fixedly installed with outer clamping plates 115 on the inner sides at one end. The clamping assembly 100 can effectively clamp and fix the two tubes at the coaxial position at the same time. When it is necessary to clamp and fix the two tubes at the coaxial position at the same time, the electric push rod 102 is started to drive the movable rod 103 to reciprocate, and the movable rod 103 drives the two gears to move while moving. When the rack 106 moves, the two racks 106 and the driving gear 108 are meshed and connected, thereby driving the two inner clamping rods 109 to rotate relative to each other, thereby driving the two inner clamping heads 110 to clamp and fix the inner wall of the inner tube body. When the movable rod 103 moves, the two outer clamping rods 112 are driven to rotate relative to each other through the cooperation between the transmission rod 111, the connecting block 113 and the rotating rod 114, thereby driving the two outer clamping plates 115 to clamp and fix the outer tube body, thereby clamping and fixing the two tube bodies at the coaxial position at the same time.

[0027] Embodiment 2:

[0028] See also Figure 1-5This embodiment provides a technical solution based on the first embodiment: the welding assembly 200 includes a driving motor 201 fixedly mounted on one side of the workbench body 1, the input end of the driving motor 201 is connected to the power supply through an external cable, a limiting slide groove 202 is provided on one side of the workbench body 1, the output end of the driving motor 201 passes through the limiting slide groove 202 through a bearing and is fixedly mounted with a threaded rod 203, one end of the threaded rod 203 is rotatably connected to the side wall of the limiting slide groove 202, the outer surface of the threaded rod 203 is threadedly connected with a sliding block 204, and the top of the sliding block 204 is fixedly mounted on the connecting plate 3 bottom, a driving motor 205 is fixedly installed on one side of the top of the connecting plate 3, the input end of the driving motor 205 is connected to the power supply through an external cable, the output end of the driving motor 205 passes through the bearing to one side of the connecting plate 3 and is fixedly installed with a turntable 206, a moving groove 207 is opened on one side of the top of the turntable 206, a driving motor 208 is fixedly installed on the top of the moving groove 207, the input end of the driving motor 208 is connected to the power supply through an external cable, and a threaded screw 209 is fixedly installed on the output end of the driving motor 208, the bottom end of the threaded screw 209 is rotatably connected to the bottom wall of the moving groove 207, and the threaded screw 209 is fixedly installed on the bottom of the moving groove 207. The outer surface of the mobile block 210 is threadedly connected, and a welding machine 211 is fixedly installed on one side of the mobile block 210. The welding assembly 200 can effectively adjust the welding of pipes of different sizes. When it is necessary to adjust the welding of pipes of different sizes, the threaded rod 203 is driven to rotate by starting the driving motor 1 201. The threaded rod 203 rotates while pushing the connecting plate 3 to move back and forth, thereby adjusting the welding position. At the same time, the driving motor 205 is started to drive the rotating disk 206 to rotate. The rotating disk 206 drives the welding machine 211 to rotate while rotating, thereby adjusting the welding position of the two pipes. Sealing welding is performed between them, and at the same time, the driving motor 208 is started to drive the threaded screw 209 to rotate, and the threaded screw 209 drives the welding machine 211 to move up and down, so as to adjust the welding of pipes of different sizes. The two sides of the driving gear 108 are meshed and connected with the two racks 106. The center positions of the two inner clamping heads 110 and the center positions of the two outer clamping plates 115 are on the same horizontal plane. The outer clamping plates 115 are arranged in an arc shape. The movable rod 103 is movable and penetrates to one side of the fixed block 104. The sliding block 204 matches the limiting slide groove 202, and the moving block 210 matches the moving groove 207.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] During operation, the two tube bodies are first sleeved together, and then inserted between the two inner clamping heads 110 and the two outer clamping plates 115. Then, the electric push rod 102 is started to drive the movable rod 103 to reciprocate. The movable rod 103 drives the two racks 106 to move while moving. Because the two racks 106 are meshed and connected with the driving gear 108, the two inner clamping rods 109 are driven to rotate relative to each other, thereby driving the two inner clamping heads 110 to clamp and fix the inner wall of the inner tube body. When the movable rod 103 moves, the transmission rod 111, the connecting block 113 and the rotating rod 114 cooperate with each other, thereby driving the two outer clamping rods 112 to rotate relative to each other, thereby driving the two outer clamping plates 115 to clamp the outer tube body. The two tube bodies are clamped and fixed in a coaxial position at the same time, and then the welding machine 211 is started to perform welding. During the welding process, the threaded rod 203 is driven to rotate by starting the driving motor 1 201. The threaded rod 203 is driven to reciprocate while the threaded rod 203 rotates, thereby adjusting the welding position. At the same time, the driving motor 205 is started to drive the turntable 206 to rotate. The turntable 206 drives the welding machine 211 to rotate while rotating, thereby performing sealing welding between one end of the two tube bodies. At the same time, the driving motor 208 is started to drive the threaded screw 209 to rotate. The threaded screw 209 drives the welding machine 211 to move up and down, thereby adjusting the welding of tubes of different sizes.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer pipe welding machine, comprising a workbench body (1), characterized in that: A vertical plate (2) is fixedly mounted on one side of the upper end surface of the workbench body (1), a clamping assembly (100) for simultaneously clamping and fixing two pipe bodies coaxially is mounted on one side of the vertical plate (2), a connecting plate (3) is mounted on one side of the upper end surface of the workbench body (1), and a welding assembly (200) is mounted on the connecting plate (3); The clamping assembly (100) comprises a support plate (101) fixedly mounted on one side of the vertical plate (2); an electric push rod (102) is fixedly mounted on one side of the upper end surface of the support plate (101); a movable rod (103) is fixedly mounted on the output end of the electric push rod (102); a fixed block (104) is fixedly mounted on one side of the upper end surface of the support plate (101); a fixed plate (105) is fixedly mounted on the bottom of one end of the movable rod (103) away from the electric push rod (102); racks (106) are fixedly mounted on both sides of the fixed plate (105); the upper end surface of the support plate (101) is located on one side of two racks (106) and is rotatably connected to a rotating rod (107); the outer surfaces of the bottoms of the two rotating rods (107) are fixedly mounted with a driving gear (105). 8), an inner clamping rod (109) is fixedly installed on the outer surface of the top of the two rotating rods (107), an inner clamping head (110) is fixedly installed on one end of the two inner clamping rods (109), the movable rod (103) is symmetrically rotatably connected to the transmission rod (111) at one end away from the rack (106), the two transmission rods (111) are rotatably connected to the outer clamping rod (112), the two outer clamping rods (112) are fixedly installed with a connecting block (113) on the inner side thereof, the two connecting blocks (113) are rotatably connected with the rotating rods (114), the bottom ends of the two rotating rods (114) are fixedly installed on the upper end surface of the support plate (101), and the two outer clamping rods (112) are fixedly installed with an outer clamping plate (115) on the inner side thereof.

2. A double-layer pipe welding machine according to claim 1, characterized in that: The welding assembly (200) comprises a driving motor (201) fixedly mounted on one side of a workbench body (1); a limiting slide groove (202) is provided on one side of the workbench body (1); an output end of the driving motor (201) passes through the inside of the limiting slide groove (202) through a bearing and is fixedly mounted with a threaded rod (203); one end of the threaded rod (203) is rotatably connected to the side wall of the limiting slide groove (202); a sliding block (204) is threadedly connected to the outer surface of the threaded rod (203); the top of the sliding block (204) is fixedly mounted on the bottom of a connecting plate (3); and the driving motor is fixedly mounted on one side of the top of the connecting plate (3). Second (205), the output end of the second drive motor (205) passes through a bearing to one side of the connecting plate (3) and is fixedly installed with a turntable (206), a moving groove (207) is opened on one side of the top of the turntable (206), a driving motor (208) is fixedly installed on the top of the moving groove (207), a threaded screw (209) is fixedly installed on the output end of the driving motor (208), the bottom end of the threaded screw (209) is rotatably connected to the bottom wall of the moving groove (207), the outer surface of the threaded screw (209) is threadedly connected to a moving block (210), and a welding machine (211) is fixedly installed on one side of the moving block (210).

3. A double-layer pipe welding machine according to claim 1, characterized in that: The two sides of the driving gear (108) are meshedly connected with the two racks (106).

4. A double-layer pipe welding machine according to claim 1, characterized in that: The center positions of the two inner clamping heads (110) and the center positions of the two outer clamping plates (115) are on the same horizontal plane.

5. A double-layer pipe welding machine according to claim 1, characterized in that: The outer clamping plate (115) is arranged in an arc shape.

6. A double-layer pipe welding machine according to claim 1, characterized in that: The movable rod (103) movably penetrates to one side of the fixed block (104).

7. A double-layer pipe welding machine according to claim 2, characterized in that: The sliding block (204) matches the limiting sliding groove (202), and the moving block (210) matches the moving groove (207).

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