Search

CN-121989434-A - Flaring device for HDPE double-wall corrugated pipe production

CN121989434ACN 121989434 ACN121989434 ACN 121989434ACN-121989434-A

Abstract

The invention discloses a flaring device for HDPE double-wall corrugated pipe production, and relates to the technical field of pipeline processing. The heating mechanism comprises a shell fixedly sleeved with the motor, a heating ring is fixedly embedded at the end of the shell, a fan fixedly connected with the center column is arranged in the tail end of the shell, an annular outer bellows is fixedly communicated with the outside of the end diameter of the shell, an annular inner bellows is fixedly communicated with the inside of the end diameter of the shell, an outer heating component corresponding to the outside of the tube is arranged at the end of the outer bellows, an inner heating component corresponding to the inside of the tube is arranged at the end of the inner bellows, and synchronous heating of the inner wall and the outer wall of the tube is achieved and the synchronism of heating is improved.

Inventors

  • XIONG ANJUN

Assignees

  • 湖南东庆管道科技有限公司

Dates

Publication Date
20260508
Application Date
20260306

Claims (10)

  1. 1. The flaring device for producing the HDPE double-wall corrugated pipe comprises a conveying mechanism (1) and a heating component, wherein the heating component comprises a flaring mechanism (7) and a heating mechanism (8); The flaring mechanism (7) comprises a motor (701), wherein the output end of the motor (701) is fixedly connected with a center column (702), the motor (701) is fixedly connected with a base (704), and the end head of the center column (702) is provided with a flaring component; The automatic heating device is characterized in that a centering assembly is arranged between the conveying mechanism (1) and the heating assembly, the centering assembly comprises a centering mechanism (2) and a base mechanism (4), a quick-change assembly is arranged between the centering mechanism (2) and the base mechanism (4), and the quick-change assembly comprises a plug mechanism (3) and a socket mechanism (5); The heating mechanism (8) comprises a shell (801) fixedly sleeved with a motor (701), wherein a heating ring (802) is fixedly embedded at the end head of the shell (801), a fan (803) fixedly connected with a center column (702) is arranged in the end tail of the shell (801), an annular outer air box (804) is fixedly communicated with the outside of the end head of the shell (801), an annular inner air box (806) is fixedly communicated with the inside of the end head of the shell (801), an annular box panel (807) is movably embedded at the end head surface of the inner air box (806), connecting columns (808) are uniformly and fixedly connected between the box panel (807) and the center column (702) at equal intervals, and a shaft sleeve (809) is movably sleeved between the inner air box (806) and the center column (702); The ends of the outer bellows (804) are uniformly provided with outer heat components corresponding to the outside of the pipe at equal intervals, and the ends of the inner bellows (806) are uniformly provided with inner heat components corresponding to the inside of the pipe at equal intervals through a bellows panel (807).
  2. 2. The flaring device for producing the HDPE double-wall corrugated pipe is characterized in that the conveying mechanism (1) adopts a V-shaped carrier roller for conveying, the surface of the carrier roller is wrapped with wear-resistant rubber, and the height of the carrier roller can be adjusted by lifting of an air cylinder.
  3. 3. The flaring device for producing HDPE double-wall corrugated pipes according to claim 1, wherein the end of the middle column (702) is fixedly connected with a second calibrator (703); the flaring assembly comprises three centrally symmetrical air cylinders (705), wherein the air cylinders (705) are fixedly embedded with a center column (702), the output end of each air cylinder (705) is fixedly connected with a roller seat (706), the end of each roller seat (706) is movably connected with a flaring roller (707) with smooth end through a rotating shaft, and the roller seats (706) are uniformly provided with air holes (708) extending to the flaring roller (707) in an penetrating mode at equal intervals.
  4. 4. The flaring device for producing the HDPE double-wall corrugated pipe according to claim 3, wherein the outer heat component comprises an arc-shaped second air duct (813), a first hose (805) is fixedly communicated between the second air duct (813) and the outer air duct (804), air pipes (814) are uniformly and fixedly communicated in the arc of the second air duct (813), connecting rods (815) are fixedly connected to the outer arc of the second air duct (813), fixing sleeves (816) are fixedly connected to the ends of the connecting rods (815), an arc-shaped third air duct (817) is fixedly communicated between the adjacent second air ducts (813), and barrel holes (818) are uniformly and uniformly formed in the arc of the third air duct (817) in a penetrating mode.
  5. 5. A flaring device for HDPE double-wall corrugated pipe production according to claim 3, wherein the internal heating component comprises a first air cylinder (811) opposite to a roller seat (706), a second hose (810) penetrating through a fixedly connected box panel (807) is communicated between the first air cylinder (811) and the internal air cylinder (806), and a connecting plate (812) is fixedly connected between the first air cylinder (811) and the roller seat (706).
  6. 6. The flaring device for producing HDPE double-wall corrugated pipes according to claim 4, wherein the centering mechanism (2) comprises an annular centering ring (201), a calibration cradle head (202) is fixedly connected to the lower side of the centering ring (201), and first calibrators (203) corresponding to the second calibrators (703) are fixedly embedded in the ring of the calibration cradle head (202) at equal intervals; The centering ring (201) is uniformly and fixedly embedded with an electric rail (204) at equal intervals, the electric rail (204) is slidably inserted with a rail column (206) with central symmetry, the end of the rail column (206) is fixedly connected with a connecting block (207), and a pressure sensor (208) is fixedly embedded in the connecting block (207); The rail column (206) is fixedly inserted into the fixed sleeve (816).
  7. 7. The flaring device for producing the HDPE double-wall corrugated pipe according to claim 6, wherein the base mechanism (4) comprises an arc-shaped base (401), and rubber rollers (402) are fixedly embedded on two sides of the base (401); An arc-shaped face plate (403) is fixedly connected to the outer arc of the base (401), and a plate seat (404) is fixedly connected to the outer arc of the face plate (403); A groove (405) is formed in the arc of the base (401).
  8. 8. The flaring device for producing the HDPE double-wall corrugated pipe according to claim 7, wherein an air bag mechanism (6) is arranged in an arc of the base mechanism (4), the air bag mechanism (6) comprises an air bag (601) which is matched with a base (401), the air bag (601) and the base (401) are equal in length, an assembling plate (602) which is matched with an embedded groove (405) is fixedly connected outside the arc of the air bag (601), the assembling plate (602) and the groove (405) are fixed through bolts, two ends of the air bag (601) are communicated with an air cylinder (603) which sequentially penetrates through the assembling plate (602), the base (401) and a surface plate (403), and two ends of the air bag (601) are communicated with a volume adjusting bag (604); The upper cavity of the air bag (601) is fixedly filled with a honeycomb nylon skeleton (605), the lower cavity of the air bag (601) is hollow, and the inner wall of the lower cavity of the air bag (601) is uniformly and fixedly connected with a supporting bag (606) at equal intervals.
  9. 9. The flaring device for producing HDPE double-wall corrugated pipes according to claim 8, wherein the plug mechanism (3) comprises a receiving disc (301) fixedly connected with a receiving block (207), and a disc column (302) with a chamfer at the lower end is fixedly connected to the middle part of the lower surface of the receiving disc (301); A head groove (303) is formed in one side of the disc column (302), and a thread groove (304) formed in one side of the disc column (302) is communicated with the side of the head groove (303); The novel movable sleeve type lifting device comprises a disc column (302), a main disc (305), an upper cylinder (306) fixedly connected with the movable sleeve disc column (302) on the upper surface of the main disc (305), a first spring (307) fixedly connected with a winding disc column (302) between the upper cylinder (306) and a disc (301), a poking piece (308) fixedly connected with the other side of the upper cylinder (306), a stud (309) penetrating through one side of the upper cylinder (306), a handle (310) fixedly connected with the end tail of the stud (309), a lower cylinder (311) fixedly connected with the movable sleeve disc column (302) on the lower surface of the main disc (305), and annular arranged cutting bars (312) uniformly and fixedly connected with the lower cylinder (311) at equal intervals; the two sides of the receiving disc (301) are respectively and fixedly connected with an air pump mechanism (9) which is correspondingly inserted with an air cylinder (603).
  10. 10. The flaring device for producing the HDPE double-wall corrugated pipe is characterized in that the socket mechanism (5) comprises a socket (501) fixedly connected with a disc seat (404), slots (502) for adapting to plug-in disc posts (302) are formed in the middle of the upper surface of the socket (501), annular inner grooves (503) are uniformly formed in the outer sides of the slots (502) at equal intervals, the inner grooves (503) are arc-shaped and are formed in the socket (501), through grooves (504) communicated with the slots (502) are formed in one end of the inner grooves (503), plug strips (312) are adapted to the through grooves (504), bit grooves (505) corresponding to the plug strips (312) are formed in the upper side of one end of the through grooves (504), inner sleeves (506) are fixedly embedded in the other ends of the inner grooves (503), the inner diameters of the inner sleeves (506) are identical to the inner diameters of the inner grooves (503), second springs (507) are fixedly connected in the inner sleeves (506), and the ends of the second springs (507) are fixedly connected with the plug-in-slip posts (508) which are adapted to the inner sleeves (503).

Description

Flaring device for HDPE double-wall corrugated pipe production Technical Field The invention relates to the technical field of pipeline processing, in particular to a flaring device for HDPE double-wall corrugated pipe production. Background The HDPE double-wall corrugated pipe has been widely applied to the fields of municipal drainage and pollution discharge, gas transportation, industrial pipelines, agricultural irrigation and the like by virtue of the advantages of light weight, high strength, corrosion resistance, sedimentation resistance, small fluid resistance and the like, and the market demand for the HDPE double-wall corrugated pipe is continuously increased along with the promotion of urban construction and infrastructure. The reliability of pipeline connection is the core guarantee of HDPE double-wall corrugated pipe engineering application, the mainstream in the industry at present adopts socket type sealing connection, one end of a pipe needs to be processed into a socket (the inner diameter is slightly larger than the outer diameter of the other pipe) through a flaring device, and the two pipes are sealed and fixed through the socket, a spigot and a sealing ring. Therefore, the molding quality of the flaring device directly determines the tightness, the pulling-out resistance and the service life of the pipeline connection, and the technical performance of the flaring device is required to be adapted to the HDPE material characteristics and the structural characteristics of the double-wall corrugated pipe. The HDPE material has extremely low heat conductivity coefficient, brings natural technical challenges to flaring processing, the pipe end is required to be heated to a thermoplastic molding interval in flaring, the thin-wall pipe is easy to crush due to overlarge clamping force, and the thick-wall pipe is easy to have uneven heating caused by external heat and internal cooling. The patent with the bulletin number of CN222645342U discloses a flaring device for producing HDPE double-wall corrugated pipes, which comprises a mounting frame, a driving assembly, a guide frame, a spreading assembly and a heating mechanism, wherein the top of the mounting frame is connected with the driving assembly, the upper part of the mounting frame is connected with the guide frame, the spreading assembly is connected between the guide frame and the driving assembly, and the heating mechanism is arranged on the guide frame. According to the technical scheme, a single heating mode is adopted, a directional heating design aiming at a double-wall structure is lacking, the temperature rise of the inner wall and the outer wall of the thick-wall pipe is asynchronous, the temperature difference is often more than 5 ℃, the inner wall is not softened when the flaring is carried out, the outer wall is excessively stretched, layering and cracking defects are easily generated, the heating device only focuses on the heating of the outer wall, the heating structure of the inner wall is not designed, the problem of heat penetration of the thick-wall pipe cannot be solved, and the adaptability of a heating system is poor. Therefore, the flaring device for producing the HDPE double-wall corrugated pipe is developed, the problems of uneven heating, unstable pain and the like in the prior art are solved, and the flaring device becomes an urgent requirement for high-quality development of the HDPE double-wall corrugated pipe industry. Disclosure of Invention The invention aims to provide a flaring device for HDPE double-wall corrugated pipe production, which aims to solve the problems in the background technology. The flaring device for HDPE double-wall corrugated pipe production comprises a conveying mechanism and a heating component, wherein the heating component comprises a flaring mechanism and a heating mechanism; The flaring mechanism comprises a motor, wherein the output end of the motor is fixedly connected with a center pillar, and the motor is fixedly connected with a base; A centering assembly is arranged between the conveying mechanism and the heating assembly, the centering assembly comprises a centering mechanism and a base mechanism, a quick-change assembly is arranged between the centering mechanism and the base mechanism, and the quick-change assembly comprises a plug mechanism and a socket mechanism; The heating mechanism comprises a shell body of a fixed sleeve motor, a heating ring is fixedly embedded at the end head of the shell body, and a fan fixedly connected with a center column is arranged in the end tail of the shell body; the end diameter of the shell is fixedly communicated with an annular outer air box, the end diameter of the shell is internally fixedly communicated with an annular inner air box, and the end surface of the inner air box is movably embedded with an annular box panel; the end of the outer bellows is uniformly provided with outer heat components corresponding to the outside of the pip