Hot rolling forming die for HDPE (high-density polyethylene) corrugated pipe

Abstract

The utility model provides an HDPE corrugated pipe hot rolling forming die which comprises a workbench, supporting legs, a fixed baffle disc and a forming assembly, and a semicircular cavity is formed in the top of the workbench; the number of the fixed baffle discs is two, and the surfaces of the two fixed baffle discs are rotationally connected with a left transmission clamping shaft and a right transmission clamping shaft correspondingly. A hot processing roller is clamped between one end of the left transmission clamping shaft and one end of the right transmission clamping shaft; the surface of the right transmission clamping shaft is rotationally connected with a connecting clamping ring sleeve; the surface of the connecting snap ring sleeve is in threaded connection with the surface of one fixed baffle disc; one end of the left transmission clamping shaft is fixedly connected with a driven belt wheel; the bottom of the workbench is fixedly connected with a motor frame. A motor is fixedly connected into the motor frame; an output shaft of the motor is fixedly connected with a transmission shaft through a coupler; and by arranging the forming assembly, the hot processing roller can rotate along with the forming assembly, the inner side of the HDPE corrugated pipe is subjected to uniform hot processing, and the forming effect of the HDPE corrugated pipe is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of HDPE corrugated pipe processing, in particular to a HDPE corrugated pipe hot rolling forming die. Background Art

[0002] HDPE double-wall corrugated pipe, the full name is high-density polyethylene double-wall corrugated pipe. As the name suggests, it is a pipe made of high-density polyethylene material with a smooth inner wall and annular outer wall.

[0003] A Chinese patent with publication number CN217573984U discloses a manufacturing device for steel-reinforced polyethylene spiral corrugated pipes, including a steel-reinforced unwinder, a steel-reinforced butt jointer, a belt storage device, a steel-reinforced power forming table, a steel-reinforced bending machine, a heating system, a winding compound system, a cutting machine and a pipe-releasing rack arranged in sequence, and an inner sheet co-extrusion system and an outer sheet co-extrusion system are respectively arranged at the entrance of the winding compound system. The present application can adapt to the production of a tubular structure with an inner sheet and an outer sheet structure, and the extrusion system and the co-extrusion die set can be determined according to the requirements of the tubular structure, and the inner sheet co-extrusion system and the outer sheet co-extrusion system of the present application can adjust the up-down, front-back, left-right positions of the co-extrusion die online to achieve continuous production without stopping.

[0004] As mentioned above, the patent provides a manufacturing device for steel belt reinforced polyethylene spiral corrugated pipe. Although the up and down, front and back, left and right positions of the co-extrusion mold can be adjusted online to achieve continuous production without stopping, during the molding process, since hot processing is required during processing, this method cannot guarantee the uniform molding effect of the inner side of the HDPE corrugated pipe, and the molding efficiency needs to be improved. Utility Model Content

[0005] The utility model provides a hot-rolling forming die for a HDPE corrugated pipe, so as to solve the problems raised in the background technology.

[0006] In order to solve the above problems, the utility model provides a hot rolling forming mold for HDPE corrugated pipe, comprising a workbench, a supporting leg, a fixed baffle and a forming assembly, wherein a semicircular cavity is provided on the top of the workbench; the number of the fixed baffles is set to two, and the surfaces of the two fixed baffles are respectively rotatably connected with a left-placed transmission card shaft and a right-placed transmission card shaft; a hot processing roller is clamped between one end of the left-placed transmission card shaft and one end of the right-placed transmission card shaft; the surface of the right-placed transmission card shaft is rotatably connected with a connecting snap ring sleeve; the surface of the connecting snap ring sleeve is threadedly connected with the surface of one of the fixed baffles; one end of the left-placed transmission card shaft is fixedly connected with a driven pulley; the bottom of the workbench is fixedly connected with a motor frame; the inside of the motor frame is fixedly connected with a motor; the output shaft of the motor is fixedly connected with a transmission shaft through a coupling; one end of the transmission shaft is fixedly connected with a driving pulley; the surface of the driving pulley is connected with the surface of the driven pulley through a belt drive; the top of the workbench and one side of the semicircular cavity is fixedly connected with a rotating frame; the surface of the rotating frame is rotatably connected with an upper rotating semicircular card cover.

[0007] Preferably: the bottom of the workbench is fixedly connected to the top of the supporting leg; the fixed baffle is arranged on both sides of the semicircular cavity; and a connecting rod is fixedly connected between the surfaces of the supporting legs.

[0008] Preferably: a positioning card frame is clamped on the surface of the upper rotating semicircular card cover; a pulling handle is fixedly connected to the surface of the upper rotating semicircular card cover; a positioning card rod is fixedly connected to the surface of the positioning card frame; one end of the positioning card rod passes through the upper rotating semicircular card cover and the workbench in sequence and extends to the interior of the workbench.

[0009] Preferably: a fixing bolt is slidably connected to the surface of the positioning bracket; one end of the fixing bolt passes through the positioning bracket and the workbench in sequence and extends to the bottom of the workbench; one end of the fixing bolt located at the bottom of the workbench is threadedly connected to a positioning nut.

[0010] Preferably: a shaft support frame is fixedly connected to one side of the bottom of the workbench; and a surface of the shaft support frame is rotatably connected to a surface of a transmission shaft.

[0011] The beneficial effects of adopting the above technical solution are:

[0012] By setting the forming component, when working, the hot processing roller is clamped between the left transmission shaft and the right transmission shaft, and the connecting clamp ring sleeve is rotatably connected to the right transmission shaft, and the connecting clamp ring sleeve is threadedly connected to the fixed baffle, so as to facilitate the disassembly and assembly of the right transmission shaft, and then remove the hot processing roller. In addition, the motor frame is arranged at the bottom of the workbench to support the motor. When the motor is working, the output shaft drives the transmission shaft to start rotating, the rotation of the transmission shaft drives the driving pulley to rotate, the rotation of the driving pulley drives the driven pulley to start rotating through the belt, and then drives the left transmission shaft to rotate. The hot processing roller is clamped on the left transmission shaft, so that the hot processing roller rotates, and the inner side of the HDPE corrugated pipe is evenly hot processed, thereby ensuring the forming effect of the HDPE corrugated pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the transverse cross-sectional structure of the utility model.

[0015] Figure 3 It is a schematic diagram of the longitudinal section structure of the utility model.

[0016] Figure 4 It is an exploded view of a part of the structure of the utility model.

[0017] Wherein: 1. workbench; 2. support leg; 3. fixed baffle; 4. semicircular cavity; 5. left-mounted transmission shaft; 6. right-mounted transmission shaft; 7. hot processing roller; 8. connecting clamping ring sleeve; 9. driven pulley; 10. motor frame; 11. motor; 12. transmission shaft; 13. driving pulley; 14. rotating frame; 15. upper rotating semicircular cover; 16. connecting rod; 17. positioning frame; 18. positioning rod; 19. fixing bolt; 20. positioning nut; 21. shaft support frame. DETAILED DESCRIPTION

[0018] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, a movable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1 - Figure 4 As shown, in this embodiment, a HDPE corrugated pipe hot-rolling forming mold comprises a workbench 1, a supporting leg 2, a fixed baffle 3 and a forming assembly, wherein a semicircular cavity 4 is provided on the top of the workbench 1; the number of the fixed baffles 3 is set to two, and the surfaces of the two fixed baffles 3 are rotatably connected with a left-placed transmission card shaft 5 and a right-placed transmission card shaft 6 respectively; a hot processing roller 7 is clamped between one end of the left-placed transmission card shaft 5 and one end of the right-placed transmission card shaft 6; a connecting snap ring sleeve 8 is rotatably connected to the surface of the right-placed transmission card shaft 6; the surface of the connecting snap ring sleeve 8 is threaded with the surface of one of the fixed baffles 3 Connection; one end of the left-mounted transmission card shaft 5 is fixedly connected to a driven pulley 9; the bottom of the workbench 1 is fixedly connected to a motor frame 10; the inside of the motor frame 10 is fixedly connected to a motor 11; the output shaft of the motor 11 is fixedly connected to a transmission shaft 12 through a coupling; one end of the transmission shaft 12 is fixedly connected to a driving pulley 13; the surface of the driving pulley 13 and the surface of the driven pulley 9 are connected through a belt drive; a rotating frame 14 is fixedly connected to the top of the workbench 1 and on one side of the semicircular cavity 4; the surface of the rotating frame 14 is rotatably connected to an upper rotating semicircular card cover 15.

[0022] Through the above technical solution, the semicircular cavity 4 is opened on the top of the workbench 1, and the upper rotating semicircular card cover 15 is rotatably arranged on the surface of the workbench 1 to cooperate with the semicircular cavity 4 to form a complete tube shape. The hot processing roller 7 is arranged inside the semicircular cavity 4, thereby forming a complete HDPE corrugated pipe mold. The rotating frame 14 is fixed on the top of the workbench 1 to support the upper rotating semicircular card cover 15. When working, the hot processing roller 7 is clamped between the left transmission card shaft 5 and the right transmission card shaft 6, and the connecting clamping ring sleeve 8 is rotatably connected to the right transmission card shaft 6, and the connecting clamping ring sleeve 8 is threaded with the fixed baffle 3. The connection is convenient for disassembling and assembling the right transmission card shaft 6, and then removing the hot processing roller 7. In addition, the motor frame 10 is arranged at the bottom of the workbench 1, and is used to support the motor 11. When the motor 11 is working, the transmission shaft 12 starts to rotate through the output shaft, and the rotation of the transmission shaft 12 drives the driving pulley 13 to rotate. The driving pulley 13 rotates and drives the driven pulley 9 to start rotating through the belt, thereby driving the left transmission card shaft 5 to rotate. The hot processing roller 7 is stuck on the left transmission card shaft 5, so that the hot processing roller 7 rotates, and the inner side of the HDPE corrugated pipe is evenly hot processed, thereby ensuring the molding effect of the HDPE corrugated pipe.

[0023] like Figure 2 - Figure 4 As shown, the bottom of the workbench 1 is fixedly connected to the top of the supporting leg 2; the fixed baffle 3 is arranged on both sides of the semicircular cavity 4; a connecting rod 16 is fixedly connected between the surfaces of the supporting legs 2; a positioning bracket 17 is clamped on the surface of the upper rotating semicircular cover 15; a pulling handle is fixedly connected to the surface of the upper rotating semicircular cover 15; a positioning rod 18 is fixedly connected to the surface of the positioning bracket 17; one end of the positioning rod 18 passes through the upper rotating semicircular cover 15 and the workbench 1 in sequence and extends to the interior of the workbench 1.

[0024] Through the above technical solution, the supporting leg 2 supports the workbench 1, the connecting rod 16 fixes the supporting leg 2, the positioning bracket 17 is set on the top of the workbench 1, and pulling the handle facilitates pulling the upper rotating semicircular card cover 15. The positioning bracket 18 is fixed on the positioning bracket 17 and can be inserted into the upper rotating semicircular card cover 15 and into the interior of the workbench 1, thereby fixing the upper rotating semicircular card cover 15.

[0025] like Figure 3 and Figure 4 As shown, the surface of the positioning bracket 17 is slidably connected with a fixing bolt 19; one end of the fixing bolt 19 passes through the positioning bracket 17 and the workbench 1 in sequence and extends to the bottom of the workbench 1; one end of the fixing bolt 19 located at the bottom of the workbench 1 is threadedly connected with a positioning nut 20; one side of the bottom of the workbench 1 is fixedly connected with an axis support frame 21; the surface of the axis support frame 21 is rotatably connected to the surface of the transmission shaft 12.

[0026] Through the above technical solution, the fixing bolt 19 passes through the bottom of the workbench 1, and the positioning bracket 17 can be fixed on the top of the workbench 1, and the fixing bolt 19 is slidably connected to the workbench 1 and the positioning bracket 17. The fixing bolt 19 passes through one end of the bottom of the workbench 1 and the threaded rotating positioning nut 20 is used to fix the fixing bolt 19, thereby clamping the positioning bracket 17, and fixing the shaft support frame 21 at the bottom of the workbench 1 to support the transmission shaft 12.

[0027] Finally, it should be noted that the above implementation cases are only used to illustrate the present invention, rather than to limit the technical solutions described in the present invention; therefore, although this specification has described the present invention in detail with reference to the above-mentioned embodiments, ordinary technicians in this field should understand that the present invention can still be modified or replaced by equivalents, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention; the technology not described in detail in the present invention is implemented with the existing technology.

Claims

1. A hot-rolling mold for HDPE corrugated pipes, comprising a workbench (1), a support leg (2), a fixed baffle (3) and a molding assembly, characterized in that: A semicircular cavity (4) is provided on the top of the workbench (1); the number of the fixed baffles (3) is set to two, and the surfaces of the two fixed baffles (3) are rotatably connected to a left-positioned transmission clamping shaft (5) and a right-positioned transmission clamping shaft (6) respectively; a hot processing roller (7) is clamped between one end of the left-positioned transmission clamping shaft (5) and one end of the right-positioned transmission clamping shaft (6); a connecting clamping ring sleeve (8) is rotatably connected to the surface of the right-positioned transmission clamping shaft (6); the surface of the connecting clamping ring sleeve (8) is threadedly connected to the surface of one of the fixed baffles (3); one end of the left-positioned transmission clamping shaft (5) is fixedly connected to a driven pulley (9 ); the bottom of the workbench (1) is fixedly connected to a motor frame (10); the interior of the motor frame (10) is fixedly connected to a motor (11); the output shaft of the motor (11) is fixedly connected to a transmission shaft (12) via a coupling; one end of the transmission shaft (12) is fixedly connected to a driving pulley (13); the surface of the driving pulley (13) and the surface of the driven pulley (9) are connected via a belt transmission; the top of the workbench (1) and located on one side of the semicircular cavity (4) is fixedly connected to a rotating frame (14); the surface of the rotating frame (14) is rotatably connected to an upper rotating semicircular card cover (15).

2. The hot rolling forming die for HDPE corrugated pipe according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly connected to the top of the support leg (2); the fixed baffle (3) is arranged on both sides of the semicircular cavity (4); and a connecting rod (16) is fixedly connected between the surfaces of the support leg (2).

3. The HDPE corrugated pipe hot rolling forming die according to claim 1, characterized in that: A positioning bracket (17) is clamped on the surface of the upper rotating semicircular card cover (15); a pulling handle is fixedly connected to the surface of the upper rotating semicircular card cover (15); a positioning bracket (18) is fixedly connected to the surface of the positioning bracket (17); one end of the positioning bracket (18) passes through the upper rotating semicircular card cover (15) and the workbench (1) in sequence and extends to the interior of the workbench (1).

4. A hot rolling forming die for HDPE corrugated pipe according to claim 3, characterized in that: A fixing bolt (19) is slidably connected to the surface of the positioning bracket (17); one end of the fixing bolt (19) passes through the positioning bracket (17) and the workbench (1) in sequence and extends to the bottom of the workbench (1); one end of the fixing bolt (19) located at the bottom of the workbench (1) is threadedly connected to a positioning nut (20).

5. The HDPE corrugated pipe hot rolling forming die according to claim 1, characterized in that: A shaft support frame (21) is fixedly connected to one side of the bottom of the workbench (1); the surface of the shaft support frame (21) is rotatably connected to the surface of the transmission shaft (12).

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