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CN-224210499-U - CPVC electric power sheath pipe extrusion molding device

CN224210499UCN 224210499 UCN224210499 UCN 224210499UCN-224210499-U

Abstract

The utility model discloses a CPVC electric power sheath pipe extrusion molding device, which belongs to the technical field of cable pipelines, wherein an internal lubricant, an external lubricant, a heat stabilizer and CPVC particle raw materials are poured into a stirring device for stirring and hot melting to obtain CPVC hot melting raw materials, the CPVC hot melting raw materials are input into an extrusion pipe for extrusion operation, meanwhile, a heating component ensures proper temperature in the extrusion pipe, a blade notch is arranged on a spiral blade, ‌ intermittent shearing force ‌ can be generated on the CPVC hot melting raw materials in the conveying process through the blade notch, the CPVC hot melting raw materials are forced to be rolled and mixed, so that the CPVC hot melting raw materials are subjected to solid-liquid forced separation.

Inventors

  • CHEN WEN

Assignees

  • 成都全员塑胶管业有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (7)

  1. 1. CPVC electric power sheath pipe extrusion molding device, characterized in that includes: The stirring device is provided with a feed inlet and a discharge outlet, and is used for stirring and hot-melting CPVC particle raw materials input by the feed inlet and outputting the CPVC hot-melted raw materials after stirring and hot-melting from the discharge outlet; The extrusion pipe (12) is transversely arranged, the first end of the extrusion pipe (12) is a closed end, the second end of the extrusion pipe (12) is an open end, an input through hole is formed in the side wall of the first end of the extrusion pipe (12), the input through hole is arranged facing the discharge hole, the discharge hole is communicated with the input through hole, and a heating component (5) is arranged in the pipe wall of the extrusion pipe (12); The device comprises a first motor (14), a stirring through hole and a second motor (12), wherein the center of the end face of the first end of the extrusion pipe (12) is provided with the stirring through hole, the first end of a rotating shaft (10) of the first motor (14) penetrates through the stirring through hole and is arranged in the extrusion pipe (12), a plurality of spiral blades (11) connected end to end are arranged on the first end of the rotating shaft (10), the rotating shaft (10) and the extrusion pipe (12) are arranged in parallel, each spiral blade (11) is provided with at least one blade notch, and when the motor rotates, the spiral blades (11) push materials in the extrusion pipe (12) to move from the first end to the second end of the extrusion pipe (12); The sleeve (6) comprises a first inner diameter section and a second inner diameter section which are communicated with each other, the first inner diameter section is arranged in the first end of the sleeve (6) and is communicated with the second end of the extrusion pipe (12), the inner diameter of the first inner diameter section is larger than the outer diameter of the CPVC power protection sleeve, the inner diameter of the second inner diameter section is equal to the outer diameter of the CPVC power protection sleeve, and a refrigerating component (7) is arranged in the pipe wall of the second end of the sleeve (6); The mandrel (8) is of a rod-shaped structure, the diameter of the mandrel (8) is the same as the inner diameter of the CPVC power sheath pipe, the first end of the mandrel (8) is a conical end, the conical end of the mandrel (8) is fixedly arranged in the first inner diameter section through a fixing frame (9), the second end of the mandrel (8) is inserted into the second inner diameter section to be arranged, and the central axis of the mandrel (8) and the central axis of the sleeve pipe (6) are in the same straight line.
  2. 2. A CPVC power sheath extrusion apparatus as claimed in claim 1, wherein the stirring means comprises: The stirring cylinder (2) is provided with a feeding port at the top end of the stirring cylinder (2), a discharging port at the bottom end of the stirring cylinder (2), and an electric heating plate (16) is arranged in the cylinder wall of the stirring cylinder (2); The stirring device comprises a stirring barrel (2), a second motor (1), a stirring shaft (17) of the second motor (1), a spiral stirring blade (3) and a stirring rod (3), wherein the second motor (1) is fixedly arranged at the top end of the stirring barrel (2), the stirring shaft (17) of the second motor (1) penetrates through the center of the top surface of the stirring barrel (2) and is arranged in the stirring barrel (2), the stirring shaft (17) is arranged in parallel with the inner side surface of the stirring barrel (2), and the spiral stirring blade (3) is fixedly arranged at the outer side of the stirring shaft (17), and when the stirring shaft (17) is started to rotate by the second motor (1), part of materials in the stirring barrel (2) are driven to move towards the first end of the stirring barrel (2); the stirring device comprises a stirring barrel (2), a discharging pipe (15), a valve (4) and a stirring rod, wherein the first end of the discharging pipe (15) is connected with a discharging hole of the stirring barrel (2), the second end of the discharging pipe (15) is connected with an input through hole, and the valve (4) is arranged in the first end of the discharging pipe (15).
  3. 3. A CPVC power sheath extrusion apparatus as claimed in claim 1, wherein the extruded tube (12) comprises: the discharging through hole is arranged at the first end of the pipe body; The bearing (13) is arranged in the input through hole, the outer ring of the bearing (13) is fixedly connected with the inner wall of the input through hole, and the inner ring of the bearing (13) is sleeved on the rotating shaft (10); The heating wire is arranged in the pipe wall of the pipe body, a pipeline spirally wound from the first end of the pipe body to the second end of the pipe body, and the heating wire is arranged in the pipeline.
  4. 4. A CPVC power sheath extrusion apparatus as claimed in claim 1, wherein the refrigeration assembly (7) is a semiconductor refrigeration sheet.
  5. 5. A CPVC power sheath pipe extrusion apparatus as claimed in claim 3, wherein the temperature in the pipe body is in the range of 190-230 ℃ when the heating wire is in a heated state.
  6. 6. A CPVC power sheath extrusion forming apparatus as claimed in claim 1, characterized in that the helical blades (11) and the shaft (10) form a screw structure, wherein the blade gap has a width of 20-30% of the pitch and a depth of 30% -50% of the groove depth.
  7. 7. A CPVC power sheath extrusion apparatus as claimed in claim 6, wherein the pitch of the screw structure is 80-120mm, and ‌ -6 blade notches are provided on each helical blade (11) of ‌.

Description

CPVC electric power sheath pipe extrusion molding device Technical Field The utility model belongs to the technical field of cable pipelines, and particularly relates to a CPVC power sheath tube extrusion molding device. Background At present, plastic type pipelines are prepared mainly by heating and plasticizing plastic raw materials through an extruder, and then forming through a machine head die to finally obtain the required pipeline; When the ‌ CPVC material is processed, the CPVC material needs to be molded at a higher processing temperature, is usually 20-30 ℃ higher than that of common PVC, has a melting temperature range of 190-230 ℃ and has high melt viscosity; When the conventional pipe extrusion device extrudes CPVC materials, the problem that ‌ CPVC melt stays in the extrusion device and the problem that the retention time is too long and the materials are degraded thermally exist because ‌ CPVC melt has high viscosity and poor fluidity. ‌ A Disclosure of utility model In order to solve the problems in the prior art, the utility model provides a CPVC electric sheath pipe extrusion molding device, which aims to solve the problems that ‌ CPVC melt stays in an extrusion device and the retention time is too long to cause thermal degradation of materials when CPVC materials are extruded by the conventional pipeline extrusion device. In order to achieve the above purpose, the present utility model provides the following technical solutions: a CPVC power sheath extrusion molding device comprising: The stirring device is provided with a feed inlet and a discharge outlet, and is used for stirring and hot-melting CPVC particle raw materials input by the feed inlet and outputting the CPVC hot-melted raw materials after stirring and hot-melting from the discharge outlet; The extrusion pipe is transversely arranged, the first end of the extrusion pipe is a closed end, the second end of the extrusion pipe is an open end, an input through hole is formed in the side wall of the first end of the extrusion pipe, the input through hole faces to a discharge hole, the discharge hole is communicated with the input through hole, and a heating component is arranged in the pipe wall of the extrusion pipe; The first motor is fixedly arranged, a stirring through hole is formed in the center of the end face of the first end of the extrusion pipe, the first end of a rotating shaft of the first motor penetrates through the stirring through hole and is arranged in the extrusion pipe, a plurality of end-to-end spiral blades are arranged on the first end of the rotating shaft, the rotating shaft and the extrusion pipe are mutually parallel, at least one blade notch is formed in each spiral blade, and when the motor rotates, the spiral blades push materials in the extrusion pipe to move from the first end to the second end of the extrusion pipe; the sleeve comprises a first inner diameter section and a second inner diameter section which are communicated with each other, wherein the first inner diameter section is arranged in the first end of the sleeve and is communicated with the second end of the extrusion pipe, the inner diameter of the first inner diameter section is larger than the outer diameter of the CPVC electric power protection sleeve, the inner diameter of the second inner diameter section is equal to the outer diameter of the CPVC electric power protection sleeve, and a refrigerating assembly is arranged in the pipe wall of the second end of the sleeve; The mandrel is in a rod-shaped structure, the diameter of the mandrel is the same as the inner diameter of the CPVC power sheath pipe, the first end of the mandrel is a conical end, the conical end of the mandrel is fixedly arranged in the first inner diameter section through a fixing frame, the second end of the mandrel is inserted into the second inner diameter section to be arranged, and the central axis of the mandrel and the central axis of the sleeve are in the same straight line. Preferably, the stirring device includes: The stirring cylinder is provided with a stirring inlet, a stirring outlet and a stirring outlet, wherein the stirring inlet is arranged at the top end of the stirring cylinder, and the wall of the stirring cylinder is internally provided with an electric heating plate; The stirring shaft of the second motor passes through the center of the top surface of the stirring cylinder and is arranged in the stirring cylinder, the stirring shaft is parallel to the inner side surface of the stirring cylinder, the outer side of the stirring shaft is fixedly provided with a spiral stirring blade, and when the stirring shaft is started to rotate by the second motor, the spiral stirring blade drives part of materials in the stirring cylinder to move towards the first end of the stirring cylinder; The first end of the discharging pipe is connected with the discharging hole of the stirring barrel, the second end of the discharging pipe is connected with the