Welding device for PVC pipeline

Abstract

The welding device comprises a base, a supporting structure, a fixing assembly and an adjusting structure, the top of the base is provided with an opening, the back face of the base is fixedly connected with a telescopic rod, the front face of the base is fixedly connected with the supporting structure, the top of the telescopic rod is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the supporting structure. The welding device comprises a base, a supporting structure is arranged on the base, a fixing plate is arranged on the supporting structure, a welding assembly is arranged on the surface of the fixing plate, an adjusting structure is arranged on the inner wall of the base, and two fixing assemblies are fixedly connected to the top of the adjusting structure. According to the welding method, the problems that welding is not uniform, movement or deviation possibly occurs under the action of welding heat, deviation can directly affect the quality of a welding joint, welding is not uniform or defects such as slag inclusion and incomplete fusion occur, and the defects can weaken the strength and the sealing performance of the welding joint are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PVC pipeline welding, in particular to a PVC pipeline welding device. Background Art

[0002] PVC pipe is a kind of pipe made of polyvinyl chloride resin, stabilizer and other raw materials after being prepared by high-temperature pressing. It is generally divided into two types: soft and hard. Soft PVC pipe is often used for floors, ceilings or leather surfaces, while hard PVC pipe has better physical properties and is easier to mold. PVC pipe is widely used in many fields such as construction, agriculture, industry and home decoration due to its unique characteristics. PVC pipe is usually welded when necessary for easy use. The welded pipe has higher sealing and can meet the needs of various fluid transmission, especially in high pressure, high temperature or high load working environment. The welding connection can ensure the stability and safety of the pipe.

[0003] The problem with the prior art is that when welding, the PVC pipe may move or deviate due to the welding heat. The deviation will directly affect the quality of the weld joint, resulting in uneven welding or defects such as slag inclusion and lack of fusion. These defects will weaken the strength and sealing of the weld joint. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a welding device for PVC pipes, which has the advantages of fixing and limiting PVC pipes of different lengths, and then welding the pipes by adjusting the height of the welding assembly, so as to prevent the pipes from shifting during processing, thereby causing deviations in the welding work. The utility model solves the problem that the existing PVC pipes may move or shift under the action of welding heat during welding, and the shift will directly affect the quality of the welded joint, resulting in uneven welding or defects, such as slag inclusion, lack of fusion, etc., which will weaken the strength and sealing of the welded joint.

[0005] The utility model is implemented as follows: a welding device for a PVC pipe comprises a base, a supporting structure, a fixing assembly and an adjusting structure, wherein an opening is provided at the top of the base, a telescopic rod is fixedly connected to the back side of the base, a supporting structure is fixedly connected to the front side of the base, a fixing plate is fixedly connected to the top of the telescopic rod, a welding assembly is provided on the surface of the fixing plate, a fixing sleeve is fixedly connected to the bottom of the other end of the fixing plate, the fixing sleeve is used in conjunction with the supporting structure, an adjusting structure is provided on the inner wall of the base, two groups of fixing assemblies are fixedly connected to the top of the adjusting structure, the fixing assembly comprises a placing seat, a top cover is fixedly connected to the top of the placing seat by screws, a plurality of spring rods are fixedly connected to the inner walls on the side close to each other of the placing seat and the top cover, and a plurality of fixing blocks are fixedly connected to the sides close to each other of the plurality of spring rods.

[0006] As a preferred embodiment of the utility model, the supporting structure includes a fixed shell, the back side of the fixed shell is fixedly connected to the front side of the base, the inner wall of the fixed shell is fixedly connected to a fixed seat, and a linkage gear is provided on the top of the fixed seat. By setting the fixed shell and the fixed seat, the supporting structure can drive the movement of the fixed plate, thereby adjusting the height of the fixed plate through the telescopic rod, thereby driving the movement of the welding assembly to weld the pipeline.

[0007] As a preferred embodiment of the utility model, the bottom of the linkage gear is rotatably connected to the top of the fixed seat, the inner wall of the linkage gear is threadedly connected with a movable screw, the bottom of the movable screw extends to the inner wall of the fixed seat, the top of the movable screw extends out of the fixed shell surface, the top of the movable screw is rotatably connected to the inner wall of the fixed sleeve, and a linkage screw is provided on the right side of the linkage gear. By providing the linkage gear, the linkage gear can drive the movable screw to move up and down when it rotates, thereby driving the movement of the fixed plate through the fixed sleeve.

[0008] As a preferred embodiment of the utility model, both ends of the linkage screw are rotatably connected to the front and rear sides of the inner wall of the fixed shell respectively, the linkage screw is meshed with the linkage gear, the front side of the linkage screw extends and penetrates the surface of the fixed shell, and the front side of the linkage screw is fixedly connected to a handle. By setting the linkage screw, when the handle is rotated, it can drive the linkage screw to rotate, thereby driving the rotation of the linkage gear.

[0009] As a preferred embodiment of the present invention, the adjusting structure includes a synchronous gear, the middle of the synchronous gear is rotatably connected to the bottom of the inner wall of the base through a rotating shaft, a main screw is arranged on the right side of the synchronous gear, both ends of the main screw are rotatably connected to the front and rear sides of the inner wall of the base respectively, the main screw is meshed with the synchronous gear, the front side of the main screw extends and passes through the front side of the base, the front side of the main screw is fixedly connected with a turntable, a sliding arm is arranged on the top of the synchronous gear, and linkage arms are respectively arranged on the front and rear sides of the synchronous gear, and by arranging the synchronous gear and the main screw, when the turntable is rotated, it can drive the rotation of the main screw, thereby the main screw drives the rotation of the synchronous gear.

[0010] As a preferred embodiment of the utility model, two sliding arms are provided, and the two ends of the two sliding arms are respectively fixedly connected to the left and right sides of the inner wall of the base, the surfaces of the two sliding arms are respectively sleeved with movable arms, the tops of the two movable arms are respectively sleeved on the surfaces of the openings, and the tops of the two movable arms are respectively fixedly connected to the bottoms of the fixed seats, and by providing the sliding arms, the two movable arms can slide on the surfaces of the sliding arms, thereby driving the movement of the placement seat and then fixing the pipeline through the fixing assembly.

[0011] As a preferred embodiment of the utility model, the tops of the two linkage arms are respectively fixedly connected to the bottoms of the two movable arms, and a plurality of grooves are respectively provided on the sides of the two linkage arms close to each other. The two linkage arms are respectively meshed with the synchronous gears through the grooves. By setting the linkage arms, the synchronous gears can respectively drive the movement of the two linkage arms through the grooves when rotating, thereby driving the two movable arms to move closer or farther away.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model achieves the effect of solving the problem that the existing PVC pipe may move or deflect under the action of welding heat during welding work by setting a base, a supporting structure, a fixing component and an adjusting structure. The deflection will directly affect the quality of the welded joint, resulting in uneven welding or defects such as slag inclusion and lack of fusion, which will weaken the strength and sealing of the welded joint.

[0014] 2. The utility model sets a supporting structure, a fixed component and an adjusting structure, so that the adjusting structure can drive the fixed component to move and fix the two ends of the pipeline, and then adjust the height of the welding component through the supporting structure to perform welding work, ensuring that the pipeline will not be deviated during welding, which will affect the quality of the welded joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a three-dimensional structural schematic diagram of a base provided by an embodiment of the utility model;

[0016] Figure 2 It is a structural schematic diagram of a base and a fixing assembly provided by an embodiment of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of a fixed housing and a structural schematic diagram of a supporting structure provided by an embodiment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the adjustment structure provided by the embodiment of the utility model.

[0019] In the figure: 1. base; 101. opening; 102. telescopic rod; 103. fixing plate; 104. welding assembly; 105. fixing sleeve; 2. supporting structure; 3. fixing assembly; 301. placement seat; 302. top cover; 303. spring rod; 304. fixing block; 4. fixing shell; 5. fixing seat; 6. linkage gear; 7. moving screw; 8. linkage screw; 9. handle; 10. adjustment structure; 11. synchronous gear; 12. main screw; 13. turntable; 14. sliding arm; 15. linkage arm; 16. moving arm; 17. groove. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 4 As shown, a welding device for a PVC pipe provided by an embodiment of the utility model comprises a base 1, a supporting structure 2, a fixing assembly 3 and an adjusting structure 10, an opening 101 is provided at the top of the base 1, a telescopic rod 102 is fixedly connected to the back of the base 1, a supporting structure 2 is fixedly connected to the front of the base 1, a fixing plate 103 is fixedly connected to the top of the telescopic rod 102, a welding assembly 104 is provided on the surface of the fixing plate 103, a fixing sleeve 105 is fixedly connected to the bottom of the other end of the fixing plate 103, the fixing sleeve 105 is used in conjunction with the supporting structure 2, an adjusting structure 10 is provided on the inner wall of the base 1, two groups of fixing assemblies 3 are fixedly connected to the top of the adjusting structure 10, the fixing assembly 3 comprises a placing seat 301, a top cover 302 is fixedly connected to the top of the placing seat 301 by screws, a plurality of spring rods 303 are fixedly connected to the inner walls of the placing seat 301 and the top cover 302 on the side close to each other, and a plurality of fixing blocks 304 are fixedly connected to the sides of the plurality of spring rods 303 on the sides close to each other.

[0023] refer to Figure 3The supporting structure 2 includes a fixed shell 4, the back of the fixed shell 4 is fixedly connected to the front of the base 1, the inner wall of the fixed shell 4 is fixedly connected to a fixed seat 5, and a linkage gear 6 is arranged on the top of the fixed seat 5.

[0024] The above solution is adopted: by setting the fixed shell 4 and the fixed seat 5, the support structure 2 can drive the movement of the fixed plate 103, so that the height of the fixed plate 103 can be adjusted by the telescopic rod 102, thereby driving the movement of the welding assembly 104 to weld the pipeline.

[0025] refer to Figure 3 The bottom of the linkage gear 6 is rotatably connected to the top of the fixed seat 5, the inner wall of the linkage gear 6 is threadedly connected with a moving screw 7, the bottom of the moving screw 7 extends to the inner wall of the fixed seat 5, the top of the moving screw 7 extends out of the surface of the fixed shell 4, the top of the moving screw 7 is rotatably connected to the inner wall of the fixed sleeve 105, and a linkage screw 8 is arranged on the right side of the linkage gear 6.

[0026] The above solution is adopted: by setting the linkage gear 6, the linkage gear 6 can drive the moving screw 7 to move up and down when rotating, thereby driving the movement of the fixed plate 103 through the fixed sleeve 105.

[0027] refer to Figure 3 The two ends of the linkage screw rod 8 are respectively rotatably connected to the front and rear sides of the inner wall of the fixed shell 4, the linkage screw rod 8 is meshed with the linkage gear 6, the front side of the linkage screw rod 8 extends and penetrates the surface of the fixed shell 4, and the front side of the linkage screw rod 8 is fixedly connected with a handle 9.

[0028] The above solution is adopted: by setting the linkage screw 8, when the handle 9 is rotated, it can drive the linkage screw 8 to rotate, thereby driving the linkage gear 6 to rotate.

[0029] refer to Figure 4 The adjustment structure 10 includes a synchronous gear 11, the middle of the synchronous gear 11 is rotatably connected to the bottom of the inner wall of the base 1 through a rotating shaft, a main screw 12 is arranged on the right side of the synchronous gear 11, and both ends of the main screw 12 are rotatably connected to the front and rear sides of the inner wall of the base 1 respectively, the main screw 12 is meshed with the synchronous gear 11, the front side of the main screw 12 extends and passes through the front side of the base 1, the front side of the main screw 12 is fixedly connected with a turntable 13, a sliding arm 14 is arranged on the top of the synchronous gear 11, and linkage arms 15 are respectively arranged on the front and rear sides of the synchronous gear 11.

[0030] The above solution is adopted: by providing the synchronous gear 11 and the main screw 12 , when the turntable 13 is rotated, it can drive the rotation of the main screw 12 , so that the main screw 12 drives the rotation of the synchronous gear 11 .

[0031] refer to Figure 4 Two sliding arms 14 are provided, and the two ends of the two sliding arms 14 are respectively fixedly connected to the left and right sides of the inner wall of the base 1, and the surfaces of the two sliding arms 14 are respectively sleeved with moving arms 16, and the tops of the two moving arms 16 are respectively sleeved on the surface of the opening 101, and the tops of the two moving arms 16 are respectively fixedly connected to the bottom of the fixed seat 5.

[0032] The above solution is adopted: by setting the sliding arm 14, the two movable arms 16 can slide on the surface of the sliding arm 14, thereby driving the placement seat 301 to move and then fix the pipeline through the fixing component 3 to limit the position.

[0033] refer to Figure 4 The tops of the two linkage arms 15 are fixedly connected to the bottoms of the two moving arms 16 , and a plurality of grooves 17 are respectively provided on the sides of the two linkage arms 15 close to each other. The two linkage arms 15 are respectively engaged with the synchronous gear 11 through the grooves 17 .

[0034] The above solution is adopted: by setting the linkage arms 15, the synchronous gear 11 can drive the movement of the two linkage arms 15 through the grooves 17 when rotating, thereby driving the two movable arms 16 to move closer or farther.

[0035] The working principle of this utility model:

[0036] When in use, the pipe to be processed is placed between the placement seat 301 and the top cover 302, and then the screws are tightened to reduce the distance between the placement seat 301 and the top cover 302, and then the spring rod 303 is pressed to fix the pipe through the fixed block 304, and then the turntable 13 is rotated to drive the main screw 12 to rotate, the main screw 12 rotates and drives the synchronous gear 11 to rotate, the synchronous gear 11 rotates and drives the two linkage arms 15 to move closer through the groove 17, and the two linkage arms 15 move When the two linkage arms 15 move, they drive the two moving arms 16 to move closer, thereby driving the two groups of fixed assemblies 3 to move closer, and then the other end of the pipe is fixed and limited, and then the handle 9 is rotated to drive the linkage screw 8 to rotate, the linkage screw 8 drives the linkage gear 6 to rotate, and the linkage gear 6 rotates and drives the moving screw 7 to move downward, thereby driving the movement of the fixed plate 103 through the fixed sleeve 105, and cooperating with the telescopic rod 102 to drive the fixed plate 103 to move downward, and then the welding assembly 104 is started and the pipe is welded.

[0037] In summary: the PVC pipe welding device, through the coordinated use of the base 1, the support structure 2, the fixing assembly 3 and the adjustment structure 10, solves the problem that the PVC pipe may move or deflect under the action of welding heat during welding, and the deviation will directly affect the quality of the welded joint, resulting in uneven welding or defects, such as slag inclusion, lack of fusion, etc., which will weaken the strength and sealing of the welded joint.

[0038] 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.

[0039] 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 PVC pipe welding device, comprising a base (1), a supporting structure (2), a fixing component (3) and an adjusting structure (10), characterized in that: The top of the base (1) is provided with an opening (101); the back of the base (1) is fixedly connected to a telescopic rod (102); the front of the base (1) is fixedly connected to a support structure (2); the top of the telescopic rod (102) is fixedly connected to a fixing plate (103); a welding assembly (104) is provided on the surface of the fixing plate (103); the bottom of the other end of the fixing plate (103) is fixedly connected to a fixing sleeve (105); the fixing sleeve (105) is used in conjunction with the support structure (2); The inner wall of the base (1) is provided with an adjustment structure (10), and the top of the adjustment structure (10) is fixedly connected to two groups of fixing components (3), and the fixing components (3) include a placement seat (301), and the top of the placement seat (301) is fixedly connected to a top cover (302) by screws, and the inner walls of the placement seat (301) and the top cover (302) on a side close to each other are fixedly connected to a plurality of spring rods (303), and the sides of the plurality of spring rods (303) close to each other are respectively fixedly connected to fixing blocks (304).

2. A PVC pipe welding device as claimed in claim 1, characterized in that: The support structure (2) comprises a fixed shell (4), the back side of the fixed shell (4) being fixedly connected to the front side of the base (1), the inner wall of the fixed shell (4) being fixedly connected to a fixed seat (5), and a linkage gear (6) being arranged on the top of the fixed seat (5).

3. A PVC pipe welding device as claimed in claim 2, characterized in that: The bottom of the linkage gear (6) is rotatably connected to the top of the fixed seat (5); the inner wall of the linkage gear (6) is threadedly connected to a movable screw (7); the bottom of the movable screw (7) extends to the inner wall of the fixed seat (5); the top of the movable screw (7) extends out of the surface of the fixed housing (4); the top of the movable screw (7) is rotatably connected to the inner wall of the fixed sleeve (105); and a linkage screw (8) is arranged on the right side of the linkage gear (6).

4. A PVC pipe welding device as claimed in claim 3, characterized in that: The two ends of the linkage screw (8) are rotatably connected to the front and rear sides of the inner wall of the fixed housing (4), respectively; the linkage screw (8) is meshed with the linkage gear (6); the front side of the linkage screw (8) extends and penetrates the surface of the fixed housing (4); and the front side of the linkage screw (8) is fixedly connected to a handle (9).

5. A PVC pipe welding device as claimed in claim 1, characterized in that: The adjustment structure (10) comprises a synchronous gear (11), the middle of which is rotatably connected to the bottom of the inner wall of the base (1) via a rotating shaft, a main screw (12) is arranged on the right side of the synchronous gear (11), and two ends of the main screw (12) are rotatably connected to the front and rear sides of the inner wall of the base (1), the main screw (12) is meshed with the synchronous gear (11), the front side of the main screw (12) extends and passes through the front side of the base (1), the front side of the main screw (12) is fixedly connected to a rotating disk (13), a sliding arm (14) is arranged on the top of the synchronous gear (11), and linkage arms (15) are respectively arranged on the front and rear sides of the synchronous gear (11).

6. A PVC pipe welding device as claimed in claim 5, characterized in that: Two sliding arms (14) are provided, and the two ends of the two sliding arms (14) are respectively fixedly connected to the left and right sides of the inner wall of the base (1), and the surfaces of the two sliding arms (14) are respectively sleeved with moving arms (16), and the tops of the two moving arms (16) are respectively sleeved on the surface of the opening (101), and the tops of the two moving arms (16) are respectively fixedly connected to the bottom of the fixed seat (5).

7. A PVC pipe welding device as claimed in claim 5, characterized in that: The tops of the two linkage arms (15) are respectively fixedly connected to the bottoms of the two movable arms (16); a plurality of grooves (17) are respectively provided on the sides of the two linkage arms (15) close to each other; and the two linkage arms (15) are respectively meshed with the synchronous gear (11) through the grooves (17).

Images