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CN-224210495-U - Double-wall corrugated pipe machining and forming mechanism

CN224210495UCN 224210495 UCN224210495 UCN 224210495UCN-224210495-U

Abstract

The utility model belongs to the field of double-wall corrugated pipe processing, and discloses a double-wall corrugated pipe processing and forming mechanism, which comprises a frame device for supporting and moving, and further comprises a shaping device which is arranged on the frame device and is used for continuous horizontal conveying, clamping and injection molding, wherein an auxiliary device for limiting, compacting and cooling and demoulding is arranged above the shaping device, the auxiliary device comprises a fixing frame, a limiting frame is arranged on the fixing frame, one side of the limiting frame is provided with a cooling component for conveying cold air for cooling, and one side of the cooling component is provided with a demoulding component for expanding and demoulding. The double-wall corrugated pipe processing and forming mechanism has the advantages that the forming die is tightly closed by clamping the limiting block and the limiting frame, no gap is formed in the injection molding stage, the product forming precision is improved, the cold air of the cooling assembly passes through the air inlet pipe, the cooling frame, the air outlet nozzle and the inside of the forming die to form a high-efficiency directional cooling path, waste gas/waste water is discharged by matching with the waste discharge hole, the temperature is reduced rapidly, the internal stress is reduced, and the quality of pipes is improved.

Inventors

  • SUN DENGCHENG
  • SUN SHUKU

Assignees

  • 福建润普新材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (7)

  1. 1. The double-wall corrugated pipe machining and forming mechanism comprises a rack device for supporting and moving, and is characterized by further comprising a shaping device which is arranged on the rack device and is used for continuous horizontal conveying, clamping and injection molding, and an auxiliary device which is used for limiting, compressing, cooling and demoulding is arranged above the shaping device; The shaping device comprises two symmetrically arranged feeding assemblies for continuous synchronous conveying, wherein two die assemblies for clamping injection molding are arranged on the two feeding assemblies, and the die assemblies are symmetrically arranged in two halves and correspondingly arranged on the two feeding assemblies; The auxiliary device comprises a fixing frame (301), wherein a limiting frame (302) is arranged on the fixing frame (301), a cooling component for conveying cold air for cooling is arranged on one side of the limiting frame (302), and a demolding component for expanding and demolding is arranged on one side of the cooling component.
  2. 2. A double-wall corrugated pipe machining and forming mechanism according to claim 1, wherein the rack device comprises a bottom plate (101), two work tables (102) are symmetrically arranged on the bottom plate (101), driving components for providing synchronous power are arranged on the work tables (102), and a plurality of carrier rollers (106) are symmetrically arranged on each work table (102).
  3. 3. The double-wall corrugated pipe machining and forming mechanism according to claim 2, wherein the driving assembly comprises a synchronous motor (103) arranged at one end of the bottom of the workbench (102), a driving shaft (104) is arranged at the conveying end of the synchronous motor (103), and a supporting shaft (105) is arranged at one end, far away from the synchronous motor (103), of the workbench (102).
  4. 4. The double-wall corrugated pipe machining and forming mechanism of claim 1, wherein the feeding assembly comprises two symmetrically arranged conveying rollers (201), a conveying belt (202) is arranged between the conveying rollers (201), the conveying belt (202) is a toothed synchronous belt, the die assembly comprises a forming die (203), two limiting blocks (204) are symmetrically arranged at the top of the forming die (203), an air inlet hole (205) is formed in the middle of each limiting block (204), and waste discharging holes (206) are formed in the bottom surface of the forming die (203).
  5. 5. The double-wall corrugated pipe machining and forming mechanism according to claim 4, wherein the forming die (203) is of a hollow structure, and a guide angle (207) is arranged at one end of the limiting block (204).
  6. 6. The double-wall corrugated pipe machining and forming mechanism according to claim 1, wherein the cooling assembly comprises a cooling frame (303), an air inlet pipe (304) is arranged at the top of the cooling frame (303), a plurality of air outlet nozzles (305) are symmetrically distributed at the bottom of the cooling frame (303), the demolding assembly comprises a hanging frame (306), a screw (307) is arranged on the hanging frame (306), a locking nut (308) is arranged on the screw (307), and a plurality of expansion heads (309) are symmetrically distributed at the bottom of the hanging frame (306).
  7. 7. A double-walled bellows moulding mechanism according to claim 6, wherein the expansion head (309) is spherical and riveted with the hanger (306).

Description

Double-wall corrugated pipe machining and forming mechanism Technical Field The utility model belongs to the field of double-wall corrugated pipe processing, and particularly relates to a double-wall corrugated pipe processing and forming mechanism. Background The double-wall corrugated pipe is a plastic pipeline product widely applied to the fields of municipal drainage, communication cable protection and the like. The processing and forming process integrates a plurality of advanced process technologies, and forms unique structural characteristics. The forming process adopts a coextrusion technology, and two extruders are respectively responsible for extrusion forming of the inner wall and the outer wall. The inner wall extruder forms a smooth inner tube through the precise die, and the outer wall extruder is matched with the rotary forming module to enable the outer wall to form a regular annular corrugated structure under the action of air pressure. The patent in China with the publication number of CN214820697U discloses a pressurizing forming mechanism of a double-wall corrugated pipe processing device, which comprises two conveying components, a plurality of pressing dies and two pressurizing components, wherein each conveying mechanism comprises a conveying chain and a conveying driving piece, the conveying chains are provided with radians and are sequentially connected end to form a loop, the conveying driving pieces are connected with the conveying chains to drive the conveying chains to circularly move along the loop formed by end to end connection, the two conveying chains are symmetrically arranged on two opposite sides of a machine head, the machine head is positioned on a conveying path of the two conveying chains, and the buckling compactness of the pressing blocks can be enhanced. However, the pushing time of the ejector rod to the pressing die is short, long-time close can not be realized, no gap can be ensured in the whole injection molding stage, and the molding precision of the product is reduced, so that a new device is designed. Disclosure of utility model The utility model aims to provide a double-wall corrugated pipe processing and forming mechanism which solves the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The double-wall corrugated pipe machining and forming mechanism comprises a frame device used for supporting and moving, and further comprises a forming device which is arranged on the frame device and used for continuously and horizontally conveying, clamping and injection molding, an auxiliary device used for limiting, pressing and cooling and demolding is arranged above the forming device, the forming device comprises two symmetrically arranged feeding assemblies used for continuously and synchronously conveying, two mold assemblies used for clamping and injection molding are arranged on the two feeding assemblies, the mold assemblies are symmetrically arranged in two halves and correspondingly arranged on the two feeding assemblies, the auxiliary device comprises a fixing frame, a limiting frame is arranged on the fixing frame, a cooling assembly used for conveying cold air for cooling is arranged on one side of the limiting frame, and a demolding assembly used for expanding and demolding is arranged on one side of the cooling assembly. The frame device further comprises a bottom plate, two work tables are symmetrically arranged on the bottom plate, driving components for providing synchronous power are arranged on the work tables, and a plurality of carrier rollers are symmetrically arranged on each work table. Further, the driving assembly comprises a synchronous motor arranged at one end of the bottom of the workbench, a driving shaft is arranged at the conveying end of the synchronous motor, and a supporting shaft is arranged at one end, far away from the synchronous motor, of the workbench. The feeding assembly comprises two conveying rollers which are symmetrically arranged, a conveying belt is arranged between the conveying rollers, the conveying belt is a toothed synchronous belt, the die assembly comprises a forming die, two limiting blocks are symmetrically arranged at the top of the forming die, an air inlet hole is formed in the middle of each limiting block, and a waste discharging hole is formed in the bottom surface of the forming die. Further, the forming die is of a hollow structure, and one end of the limiting block is provided with a guide angle. The cooling assembly comprises a cooling frame, an air inlet pipe is arranged at the top of the cooling frame, a plurality of air outlet nozzles are symmetrically distributed at the bottom of the cooling frame, the demolding assembly comprises a suspension bracket, a screw is arranged on the suspension bracket, a locking nut is arranged on the screw, and a plurality of expansion heads are symmetrically distribu