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CN-121989473-A - Multistage supercharging and exhausting insulator core rod pultrusion mold device

CN121989473ACN 121989473 ACN121989473 ACN 121989473ACN-121989473-A

Abstract

The invention discloses a multistage supercharging and exhausting insulator core rod pultrusion mould device, which belongs to the technical field of insulator core rod manufacturing equipment and comprises a processing cylinder, wherein at least three supercharging cavities are formed in the processing cylinder, and one side of each supercharging cavity is provided with an exhaust cavity which is communicated with the other; the guide mechanism is arranged in the exhaust cavity and guides the insulator core rod moving in the forming process through the support roller; monitoring a control mechanism; a cooling mechanism; the invention adopts a structure that the processing cylinder is provided with the multistage pressurizing cavity and correspondingly communicated with the exhaust cavity, and is matched with the temperature and pressure monitoring control mechanism and the core rod guiding mechanism, the core rod raw material can be fully soaked with resin and fiber in the step-by-step pressurizing process, meanwhile, the gas generated by forming is timely discharged, the guiding mechanism can reduce the movement deviation and surface abrasion of the core rod, the multi-structure cooperation improves the forming density and the dimensional precision of the core rod, the integral forming quality of the core rod is improved, and the invention can also adapt to the pultrusion forming requirements of the core rods with different specifications.

Inventors

  • TANG YUNFENG
  • TANG XINYU

Assignees

  • 江苏赛能机械科技股份有限公司

Dates

Publication Date
20260508
Application Date
20260331

Claims (10)

  1. 1. The multi-stage supercharging and exhausting insulator core rod pultrusion die device is characterized by comprising a processing cylinder (1), wherein at least three supercharging cavities (15) are formed in the processing cylinder (1), and an exhaust cavity (8) communicated with one side of each supercharging cavity (15) is formed; the guide mechanism is arranged in the exhaust cavity (8) and guides the insulator core rod moving in the forming process through the supporting roller (32); The monitoring control mechanism is arranged in the pressurizing cavity (15) and the exhaust cavity (8) and is used for monitoring temperature information in the pressurizing cavity (15) and the exhaust cavity (8) and air pressure information in the pressurizing cavity (15); And the cooling mechanism is arranged at one end of the processing cylinder (1), and is in contact with the processed insulator core rod through a heat conducting plate (14) to conduct heat conduction and cooling.
  2. 2. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 1, characterized in that at least three mounting pieces (2) are fixedly mounted on the side wall of the processing cylinder (1), the mounting pieces (2) are located on the outer side of the exhaust cavity (8), at least three fixing pieces (3) are fixedly mounted on the side wall of the processing cylinder (1), the fixing pieces (3) are located on the outer side of the supercharging cavity (15), and supporting legs (5) are fixedly mounted on the bottom of the fixing pieces (3).
  3. 3. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 2, characterized in that an air injection end (6) is fixedly installed in the fixing piece (3), and the air injection end (6) is communicated with the supercharging cavity (15).
  4. 4. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 3, characterized in that an electromagnetic valve (22) is fixedly installed in the fixing piece (3), and the electromagnetic valve (22) is located in the gas injection end (6).
  5. 5. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 2, characterized in that an exhaust pipe (4) is fixedly installed in the installation piece (2), and the exhaust pipe (4) is communicated with the exhaust cavity (8).
  6. 6. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 5, characterized in that a baffle plate (23) is fixedly installed on the inner wall of the exhaust pipe (4), a second spring (25) is fixedly installed on one side of the baffle plate (23), a sliding ring (24) is fixedly installed on one end of the second spring (25), a connecting rod (26) is fixedly installed on the inner wall of the sliding ring (24), a movable rod (27) is fixedly installed on one end of the connecting rod (26), the movable rod (27) is located in the second spring (25), a sealing piece (28) is fixedly installed on the top of the movable rod (27), and the sealing piece (28) is located on the other side of the baffle plate (23).
  7. 7. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 1, characterized in that the guiding mechanism comprises a rotating shaft (9) and a groove (33), the rotating shaft (9) is rotationally connected to the inner wall of the exhausting cavity (8), the supporting roller (32) is fixedly installed on the side wall of the rotating shaft (9), the groove (33) is formed in the side wall of the supporting roller (32), the groove (33) is an annular groove, and the groove (33) corresponds to communication holes of the exhausting cavity (8) and the supercharging cavity (15).
  8. 8. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 1, characterized in that the monitoring control mechanism comprises a first electric heating wire (16), a first temperature sensor (17), a second electric heating wire (18), a second temperature sensor (19) and an air pressure sensor (34), wherein the first electric heating wire (16) and the first temperature sensor (17) are fixedly installed on the inner wall of the supercharging cavity (15), the second electric heating wire (18) and the second temperature sensor (19) are fixedly installed in the exhaust cavity (8), and the air pressure sensor (34) is fixedly installed in the supercharging cavity (15).
  9. 9. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 1, characterized in that the cooling mechanism comprises a discharging pipe (10), a sliding part (11), a first spring (12) and a liquid injection pipe (13), wherein the discharging pipe (10) is fixedly installed at one end of the processing cylinder (1), the discharging pipe (10) is communicated with one of the exhaust cavities (8), the sliding part (11) is slidably connected in the discharging pipe (10), the heat conducting plate (14) is fixedly installed at one end of the sliding part (11), the first spring (12) is fixedly installed on the side wall of the sliding part (11), one end of the first spring (12) is connected with the side wall of the discharging pipe (10), the liquid injection pipe (13) is fixedly installed at one end of the sliding part (11), and a circulation groove (29) extending into the heat conducting plate (14) is formed in the liquid injection pipe (13).
  10. 10. The multistage supercharging and exhausting insulator core rod pultrusion die device according to claim 1, characterized in that a guide pipe (7) is fixed at one end of the processing cylinder (1), the guide pipe (7) is a conical pipe, the guide pipe (7) is communicated with one of the supercharging cavities (15), a bump (30) is fixedly installed at the communication position of the guide pipe (7) and the supercharging cavity (15), a sealing piece (20) is connected with the inner wall of the bump (30) through threads, and a grip (21) is fixedly installed at one end of the sealing piece (20).

Description

Multistage supercharging and exhausting insulator core rod pultrusion mold device Technical Field The invention relates to the technical field of insulator core rod manufacturing equipment, in particular to an insulator core rod pultrusion mold device with multistage pressurization and exhaust. Background The pultrusion is a mainstream preparation process of insulator core rods, a die is used as a forming core component, and the design of pressurization, exhaust and forming auxiliary structures directly influences the compactness, surface quality and forming stability of the core rods. The existing insulator core rod pultrusion die mainly adopts a single-stage pressurizing structure, a pressurizing cavity and an exhaust structure are not correspondingly adapted, the problem that resin and fiber are not fully infiltrated in the core rod forming process is easy to occur, meanwhile, gas in the cavity is not discharged timely and is easy to form internal pores, the mechanical and electrical properties of the core rod are reduced, a part of the die is not provided with a special core rod guiding structure, the core rod is easy to deviate when moving in the die, the forming size of the core rod is deviated, and scratches and abrasion appear on the surface of the core rod. In the existing related mold design, partial pressurization structure optimization is only focused, the cooperative design of exhaust and guide is not considered, the real-time temperature and pressure monitoring of the whole molding process is lacked, the process parameters cannot be dynamically adjusted according to the molding state of the core rod, the pultrusion molding requirements of the core rods of insulators with different specifications are difficult to adapt, and the production quality and efficiency of the core rods of insulators are restricted. Disclosure of Invention The invention aims to solve the technical problems of poor supercharging and exhausting cooperativity and easy deviation of core rod forming of the existing pultrusion die. In order to achieve the above object, the first aspect of the present invention provides a multistage supercharging and exhausting insulator mandrel pultrusion mold device, which comprises a processing cylinder, wherein at least three supercharging cavities are formed in the processing cylinder, and one side of each supercharging cavity is provided with an exhaust cavity which is communicated with the other; the guide mechanism is arranged in the exhaust cavity and guides the insulator core rod moving in the forming process through the supporting roller; The monitoring control mechanism is arranged in the pressurizing cavity and the exhaust cavity and is used for monitoring temperature information in the pressurizing cavity and the exhaust cavity and air pressure information in the pressurizing cavity; And the cooling mechanism is arranged at one end of the processing cylinder and is in contact with the processed insulator core rod through a heat conducting plate to conduct heat conduction and cooling. Optionally, the processing section of thick bamboo lateral wall fixed mounting has at least three installed part, the installed part is located the exhaust chamber outside, the processing section of thick bamboo lateral wall fixed mounting has at least three installed part, the installed part is located the pressure boost chamber outside, fixed part bottom fixed mounting has the landing leg. Optionally, an air injection end is fixedly installed in the fixing piece, and the air injection end is communicated with the pressurizing cavity. Optionally, an electromagnetic valve is fixedly installed in the fixing piece, and the electromagnetic valve is located in the gas injection end. Optionally, an exhaust pipe is fixedly installed in the installation piece, and the exhaust pipe is communicated with the exhaust cavity. Optionally, the blast pipe inner wall fixed mounting has the baffle, baffle one side fixed mounting has the second spring, second spring one end fixed mounting has the slip ring, slip ring inner wall fixed mounting has the connecting rod, connecting rod one end fixed mounting has the movable rod, the movable rod is located in the second spring, movable rod top fixed mounting has the sealing member, the sealing member is located the baffle opposite side. Optionally, the guiding mechanism includes pivot and recess, the pivot rotates to be connected the exhaust chamber inner wall, backing roll fixed mounting is in the pivot lateral wall, the recess set up in the backing roll lateral wall, the recess is the ring channel, the recess with the exhaust chamber with the pressure boost chamber intercommunicating pore is corresponding. Optionally, the monitoring control mechanism includes first electric heating wire, first temperature sensor, second electric heating wire, second temperature sensor and barometric pressure sensor, first electric heating wire with first temperature sensor is all fixed mo