Welding device for HDPE (High-Density Polyethylene) protective sleeve

Abstract

The utility model discloses an HDPE (high-density polyethylene) protective sleeve welding device, which belongs to the technical field of HDPE pipe welding, and comprises a support frame, a fixing mechanism and a bearing mechanism, and the fixing mechanism and the bearing mechanism are both arranged on the support frame; the bearing mechanism comprises a fixing frame, a fixing seat, a connecting rod, a rotating rod, a limiting ring, a compression spring, a bearing plate and a clamping assembly, the fixing frame is fixedly arranged on the supporting frame, the fixing seat is fixedly arranged on the fixing frame, the connecting rod is rotationally arranged on the fixing seat, and the rotating rod is fixedly arranged on the connecting rod; by arranging the bearing plate, the heating equipment can be installed on the bearing plate, when the two pipes move towards the sides away from each other, the compression spring can push the rotating rod to rotate, then the heating equipment can be driven by the bearing plate to be rapidly moved out of the position between the two pipes, and an operator does not need to take the heating equipment; therefore, the two pipes can be quickly closed, and the effect of single-person operation can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of HDPE pipe welding, and in particular relates to a HDPE sheath pipe welding device. Background Art

[0002] HDPE pipe is a pipe made of high-density polyethylene. It is not only economical, but also has a series of advantages such as stable and reliable interfaces, impact resistance, crack resistance, aging resistance, and corrosion resistance. Therefore, HDPE pipes are often used in municipal engineering water supply systems, indoor water supply systems of buildings, outdoor buried water supply systems, buried water supply systems in residential areas and factories, repair of old pipelines, water treatment engineering pipeline systems, industrial water pipes in gardens, irrigation, and other fields. However, due to the limited length of the pipe, multiple pipes need to be heated before being connected in actual use. For example, a HDPE pipe welding bracket (publication number CN 218615523) is shown in the comparative document. U) is a prior art represented by a bending rod and a sliding connection sleeve to push the clamping mechanism to move, so as to achieve rapid closing during hot-melt butt welding of HDPE pipes. Since the pipes need to be heated before closing, the heating device between the two pipes needs to be taken out during closing. In order to avoid the cold skin phenomenon of the pipes, the two pipes need to be closed within five seconds. Therefore, the heating device needs to be taken out quickly before closing. The closing of the existing welding bracket requires two people to cooperate in operation, and cannot be completed by one person;

[0003] In summary, the utility model solves the existing problems by designing a HDPE sheath pipe welding device. Utility Model Content

[0004] In order to solve the problem that the heating equipment needs to be quickly taken out before closing, the existing welding bracket needs two people to cooperate in closing and cannot be operated by one person, the purpose of the utility model is to provide a HDPE sheath pipe welding device to solve the above-mentioned problem.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a HDPE sheath pipe welding device, comprising a support frame, a fixing mechanism and a bearing mechanism, wherein the fixing mechanism and the bearing mechanism are both arranged on the support frame;

[0006] The bearing mechanism includes a fixed frame, a fixed seat, a connecting rod, a rotating rod, a limiting ring, a compression spring, a bearing plate and a clamping assembly. The fixed frame is fixedly arranged on the supporting frame, the fixed seat is fixedly arranged on the fixed frame, the connecting rod is rotatably arranged on the fixed seat, the rotating rod is fixedly arranged on the connecting rod, the bearing plate is fixedly arranged on an end of the rotating rod away from the connecting rod, the clamping assembly is arranged on the bearing plate, the limiting ring is fixedly arranged on the fixed frame, the rotating rod is slidably sleeved on the limiting ring, the compression spring is slidably sleeved on the limiting ring, one end of the compression spring is fixedly connected to the supporting frame, and the other end of the compression spring is fixedly connected to the rotating rod.

[0007] As a preferred solution of the utility model, a buffer spring is slidably sleeved on the limiting ring, and two ends of the buffer spring can contact the rotating rod and the fixing frame respectively.

[0008] As a preferred solution of the utility model, the fixing mechanism includes a bearing frame, a mobile frame, a plurality of clamps, a plurality of bolts, a plurality of brackets, a sliding assembly and a driving assembly, the plurality of brackets are fixedly arranged on the support frame, the bearing frame and the driving assembly are fixedly arranged on the bracket, the mobile frame is slidably arranged on the bracket via a sliding assembly, the driving assembly is connected to the sliding assembly, the plurality of clamps are rotatably arranged on the bearing frame and the mobile frame, respectively, the plurality of bolts are rotatably arranged on the plurality of clamps, and the plurality of bolts are respectively threaded through the plurality of clamps and are respectively threadedly connected to the bearing frame and the mobile frame.

[0009] As a preferred solution of the utility model, the sliding assembly includes a sliding rod and a sliding sleeve, the sliding rod is fixedly arranged on the bracket, the sliding sleeve is slidably arranged on the sliding rod, and the sliding sleeve is fixedly connected to the moving frame.

[0010] As a preferred solution of the utility model, the driving assembly includes a cylinder, the cylinder is fixedly arranged on a bracket, and the end of the cylinder output shaft is fixedly connected to the sliding sleeve.

[0011] As a preferred solution of the utility model, the clamping assembly includes a U-shaped frame, a screw and a clamping plate, the U-shaped frame is fixedly set on the bearing plate, the clamping plate is slidably set in the U-shaped frame, the screw is rotatably set on the U-shaped frame, and one end of the screw is threaded through the inner wall surface of the U-shaped frame and is rotatably connected to the clamping plate.

[0012] As a preferred solution of the utility model, a positioning plate is fixedly provided on the rotating rod, a positioning hole is opened on the positioning plate, a positioning cylinder is fixedly provided on the sliding sleeve, a T-shaped rod and a reset spring are slidably provided in the positioning cylinder, and one end of the T-shaped rod away from the reset spring slides through a side surface of the positioning cylinder and is inserted into the positioning hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The HDPE jacket pipe welding device is provided with a bearing plate, so that the heating device can be installed on the bearing plate. When the two pipes are moved to the side away from each other, the compression spring can push the rotating rod to rotate, and then the heating device can be driven to move out quickly from between the two pipes through the bearing plate, so that the operator does not need to take the heating device, and can operate the two pipes to close quickly, thereby achieving the effect of single-person operation;

[0015] The HDPE sheath pipe welding device is provided with a T-shaped rod, and a reset spring can push the T-shaped rod to be inserted into the positioning hole on the positioning plate, so as to fix the rotating rod, so that the heating device can be stably between the two pipes. When one of the pipes moves, the sliding sleeve can drive the positioning cylinder to move, and then drive the T-shaped rod to move out of the positioning hole, so that the compression spring can push the rotating rod to rotate, and then the rotating rod can delay rotation, thereby avoiding friction between the heating device and the pipe, and avoiding damage to the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 A schematic diagram of the structure from another perspective;

[0018] Figure 3 It is a structural schematic diagram of the bearing mechanism in the utility model;

[0019] Figure 4 It is a schematic cross-sectional structural diagram of the positioning tube in the utility model.

[0020] In the figure: 1. support frame; 2. fixing mechanism; 21. bearing frame; 22. moving frame; 23. clamp; 24. bolt; 25. bracket; 26. sliding assembly; 261. sliding rod; 262. sliding sleeve; 27. driving assembly; 271. cylinder; 3. bearing mechanism; 31. fixing frame; 32. fixing seat; 33. connecting rod; 34. rotating rod; 35. limiting ring; 36. compression spring; 37. bearing plate; 38. clamping assembly; 381. U-shaped frame; 382. screw; 383. clamping plate; 4. buffer spring; 5. positioning plate; 6. positioning hole; 7. positioning cylinder; 8. T-shaped rod; 9. reset spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Example: See Figure 1-4 The utility model provides a HDPE jacket pipe welding device, comprising a support frame 1, a fixing mechanism 2 and a bearing mechanism 3, wherein the fixing mechanism 2 and the bearing mechanism 3 are both arranged on the support frame 1;

[0023] In this embodiment, reference Figure 1-3 The bearing mechanism 3 includes a fixed frame 31, a fixed seat 32, a connecting rod 33, a rotating rod 34, a limiting ring 35, a compression spring 36, a bearing plate 37 and a clamping assembly 38. The fixed frame 31 is fixedly arranged on the support frame 1, the fixed seat 32 is fixedly arranged on the fixed frame 31, the connecting rod 33 is rotatably arranged on the fixed seat 32, the rotating rod 34 is fixedly arranged on the connecting rod 33, the bearing plate 37 is fixedly arranged on one end of the rotating rod 34 away from the connecting rod 33, the clamping assembly 38 is arranged on the bearing plate 37, the limiting ring 35 is fixedly arranged on the fixed frame 31, the rotating rod 34 is slidably sleeved on the limiting ring 35, the compression spring 36 is slidably sleeved on the limiting ring 35, one end of the compression spring 36 is fixedly connected to the support frame 1, and the other end of the compression spring 36 is fixedly connected to the rotating rod 34, which can heat The device is installed on the bearing plate 37, and two pipes can be installed on the fixing mechanism 2 so that the two pipes can be aligned. The rotating rod 34 is rotated to drive the heating device on the bearing plate 37 to move between the two pipes. When the rotating rod 34 is rotated, the compression spring 36 can be squeezed, so that the compression spring 36 can store force and contract, and the pipe is moved by the fixing mechanism 2 so that the pipe can contact and clamp the heating device, so that the heating device can heat the pipe. After heating, the two pipes are driven to move to the side away from each other by the fixing mechanism 2, so that the compression spring 36 can be elastically reset to push the rotating rod 34 to rotate, and then the heating device on the bearing plate 37 can be moved out from between the two pipes, which is convenient for the rapid removal of the heating device, avoids manual removal of the heating device, and improves convenience.

[0024] The limiting ring 35 is also slidably sleeved with a buffer spring 4, and the two ends of the buffer spring 4 can contact the rotating rod 34 and the fixing frame 31 respectively. After the compression spring 36 pushes the rotating rod 34 to rotate, the rotating rod 34 can contact and squeeze the buffer spring 4, so that the buffer spring 4 can play a buffering role on the rotating rod 34, thereby preventing the rotating rod 34 from being hit and improving the service life.

[0025] In this embodiment, please refer to Figure 1-2 The fixing mechanism 2 includes a bearing frame 21, a mobile frame 22, a plurality of clamps 23, a plurality of bolts 24, a plurality of brackets 25, a sliding assembly 26 and a driving assembly 27. The plurality of brackets 25 are fixedly arranged on the support frame 1, the bearing frame 21 and the driving assembly 27 are fixedly arranged on the bracket 25, the mobile frame 22 is slidably arranged on the bracket 25 through the sliding assembly 26, the driving assembly 27 is connected to the sliding assembly 26, the plurality of clamps 23 are rotatably arranged on the bearing frame 21 and the mobile frame 22, and the plurality of bolts 24 are rotatably arranged on the plurality of On the clamp 23, multiple bolts 24 are respectively threaded through the multiple clamps 23 and are respectively threadedly connected with the carrier frame 21 and the mobile frame 22, so that the two pipes can be placed on the carrier frame 21 and the fixed frame 31 respectively, and the clamp 23 is rotated so that the two pipes are respectively located between the carrier frame 21 and the clamp 23, and between the mobile frame 22 and the clamp 23, and the bolts 24 are rotated so that the multiple bolts 24 are respectively connected with the carrier frame 21 and the mobile frame 22, so that the two pipes can be respectively fixed on the carrier frame 21 and the mobile frame 22, so as to facilitate the alignment of the two pipes;

[0026] The sliding assembly 26 includes a sliding rod 261 and a sliding sleeve 262. The sliding rod 261 is fixedly arranged on the bracket 25. The sliding sleeve 262 is slidably arranged on the sliding rod 261. The sliding sleeve 262 is fixedly connected to the moving frame 22. By pulling one of the pipes, the pipe can drive the moving frame 22 to move, and then the moving frame 22 can move on the sliding rod 261 through the sliding sleeve 262, so as to facilitate the separation or closing of the two pipes.

[0027] In this example, see Figure 1-2 The driving assembly 27 includes a cylinder 271, which is fixedly arranged on the bracket 25. The end of the output shaft of the cylinder 271 is fixedly connected to the sliding sleeve 262. The cylinder 271 can push the sliding sleeve 262 to move, thereby driving the moving frame 22 to move, so as to facilitate the separation and closing of the two pipes. The thrust of the cylinder 271 is relatively large, so that the two pipes can be closed more tightly. The cylinder 271 can expand and contract quickly, so that the pipes can be closed quickly to avoid the occurrence of cold skin phenomenon.

[0028] In this example, see Figure 1-3The clamping assembly 38 includes a U-shaped frame 381, a screw 382 and a clamping plate 383. The U-shaped frame 381 is fixedly arranged on the bearing plate 37, the clamping plate 383 is slidably arranged in the U-shaped frame 381, the screw 382 is rotatably arranged on the U-shaped frame 381, one end of the screw 382 is threaded through the inner wall surface of the U-shaped frame 381 and is rotatably connected to the clamping plate 383, the heating device is placed on the bearing plate 37, so that one end of the heating device can be located in the U-shaped frame 381, the screw 382 is rotated to push the clamping plate 383 to move, so that the clamping plate 383 can squeeze the heating device, so as to facilitate the fixing of the heating device on the bearing plate 37;

[0029] In this embodiment, see Figure 1-4 A positioning plate 5 is fixedly arranged on the rotating rod 34, and a positioning hole 6 is opened on the positioning plate 5. A positioning cylinder 7 is fixedly arranged on the sliding sleeve 262. A T-shaped rod 8 and a return spring 9 are slidably arranged in the positioning cylinder 7. The end of the T-shaped rod 8 away from the return spring 9 slides through a side surface of the positioning cylinder 7 and is inserted into the positioning hole 6. When the rotating rod 34 drives the heating equipment to move between the two pipes, it can also drive the positioning plate 5 to squeeze the T-shaped rod 8, so that the T-shaped rod 8 can be inserted into the positioning hole 6, and then the rotating rod 34 can be positioned, so that the heating equipment can be stably between the two pipes. When the moving frame 22 drives one of the pipes to move, it can drive the positioning cylinder 7 to move, and after the two pipes are separated by a distance at one end, the T-shaped rod 8 can be separated from the positioning hole 6, so that the rotating rod 34 can delay rotation to avoid friction between the heating equipment and the pipe.

[0030] Based on the above conditions, the workflow designed using this solution is as follows:

[0031] When in use, the two pipes are placed on the movable frame 22 and the supporting frame 21 respectively, and then the clamp 23 is wrapped around the pipe, and the bolt 24 is turned to fix the clamp 23, so that the two pipes can be aligned and fixed, and then the heating device is placed between the supporting plate 37 and the U-shaped plate, and the screw 382 is turned to push the clamping plate 383 to move, so that the clamping plate 383 can clamp and fix the heating device, and the rotating rod 34 is rotated to drive the heating device to move between the two pipes, so that the rotating rod 34 squeezes the compression spring 36, and at the same time the positioning plate 5 is rotated, so that the T-shaped rod 8 is inserted into the positioning hole 6 to limit the rotating rod 34, and the movable frame 22 is pushed to move by the cylinder 271, so that both pipes can contact the heating device, and after heating, the two pipes are moved away from each other, which can drive the T-shaped rod to separate from the positioning hole 6, so that the compression spring 36 can push the rotating rod 34 to rotate, and then the heating plate can be separated from between the two pipes, and then the two pipes can be driven to close by the cylinder 271.

[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 HDPE sheath pipe welding device, characterized in that: It comprises a support frame (1), a fixing mechanism (2) and a bearing mechanism (3), wherein the fixing mechanism (2) and the bearing mechanism (3) are both arranged on the support frame (1); The bearing mechanism (3) comprises a fixing frame (31), a fixing seat (32), a connecting rod (33), a rotating rod (34), a limiting ring (35), a compression spring (36), a bearing plate (37) and a clamping assembly (38), wherein the fixing frame (31) is fixedly arranged on the supporting frame (1), the fixing seat (32) is fixedly arranged on the fixing frame (31), the connecting rod (33) is rotatably arranged on the fixing seat (32), the rotating rod (34) is fixedly arranged on the connecting rod (33), and the bearing The plate (37) is fixedly arranged at one end of the rotating rod (34) away from the connecting rod (33), the clamping assembly (38) is arranged on the bearing plate (37), the limiting ring (35) is fixedly arranged on the fixing frame (31), the rotating rod (34) is slidably sleeved on the limiting ring (35), the compression spring (36) is slidably sleeved on the limiting ring (35), one end of the compression spring (36) is fixedly connected to the supporting frame (1), and the other end of the compression spring (36) is fixedly connected to the rotating rod (34).

2. The HDPE sheath pipe welding device according to claim 1, characterized in that: A buffer spring (4) is also slidably sleeved on the limiting ring (35), and two ends of the buffer spring (4) can be in contact with the rotating rod (34) and the fixing frame (31) respectively.

3. The HDPE sheath pipe welding device according to claim 1, characterized in that: The fixing mechanism (2) comprises a bearing frame (21), a movable frame (22), a plurality of clamps (23), a plurality of bolts (24), a plurality of brackets (25), a sliding assembly (26) and a driving assembly (27); the plurality of brackets (25) are all fixedly arranged on the supporting frame (1); the bearing frame (21) and the driving assembly (27) are all fixedly arranged on the brackets (25); the movable frame (22) is slidably arranged on the brackets (25) via the sliding assembly (26); the driving assembly (27) is connected to the sliding assembly (26); the plurality of clamps (23) are respectively rotatably arranged on the bearing frame (21) and the movable frame (22); the plurality of bolts (24) are respectively rotatably arranged on the plurality of clamps (23); the plurality of bolts (24) are respectively threadedly passed through the plurality of clamps (23) and are respectively threadedly connected to the bearing frame (21) and the movable frame (22).

4. The HDPE sheath pipe welding device according to claim 3, characterized in that: The sliding assembly (26) comprises a sliding rod (261) and a sliding sleeve (262); the sliding rod (261) is fixedly arranged on the bracket (25); the sliding sleeve (262) is slidably arranged on the sliding rod (261); and the sliding sleeve (262) is fixedly connected to the moving frame (22).

5. The HDPE sheath pipe welding device according to claim 3, characterized in that: The driving assembly (27) comprises a cylinder (271), wherein the cylinder (271) is fixedly arranged on a bracket (25), and an end of an output shaft of the cylinder (271) is fixedly connected to a sliding sleeve (262).

6. The HDPE sheath pipe welding device according to claim 1, characterized in that: The clamping assembly (38) comprises a U-shaped frame (381), a screw rod (382) and a clamping plate (383); the U-shaped frame (381) is fixedly arranged on the bearing plate (37); the clamping plate (383) is slidably arranged in the U-shaped frame (381); the screw rod (382) is rotatably arranged on the U-shaped frame (381); one end of the screw rod (382) is threadedly passed through the inner wall surface of the U-shaped frame (381) and is rotatably connected to the clamping plate (383).

7. The HDPE sheath pipe welding device according to claim 4, characterized in that: A positioning plate (5) is fixedly provided on the rotating rod (34), a positioning hole (6) is formed on the positioning plate (5), a positioning cylinder (7) is fixedly provided on the sliding sleeve (262), a T-shaped rod (8) and a return spring (9) are slidably provided in the positioning cylinder (7), and an end of the T-shaped rod (8) away from the return spring (9) slides through a side surface of the positioning cylinder (7) and is inserted into the positioning hole (6).

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