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CN-121973347-A - Rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling

CN121973347ACN 121973347 ACN121973347 ACN 121973347ACN-121973347-A

Abstract

The invention discloses a rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling, which relates to the technical field of core components of mixing equipment, and comprises a front roller and a rear roller, wherein one end of the front roller is coaxially and rotatably arranged on a left front bearing seat, and the other end of the front roller is coaxially and rotatably arranged on a right front bearing seat; one end of the rear roller is coaxially and rotatably arranged on the left rear bearing seat, the other end of the rear roller is coaxially and rotatably arranged on the right rear bearing seat, a front roller transmission gear is coaxially and fixedly arranged on a main shaft at one end of the front roller, a rear roller transmission gear is coaxially and fixedly arranged on a main shaft at one end of the rear roller, and the front roller transmission gear is meshed and matched with the rear roller transmission gear. The double-roller working assembly of the rubber mixing machine integrating static elimination and constant temperature cooling is adopted to realize full-period static discharge and accurate constant temperature control of the roller, and the double balance rod ensures stable operation, stable transmission of the herringbone helical gear, high safety, low failure rate, strong adaptability and long service life.

Inventors

  • YANG BIN
  • GUO QUANBIAO

Assignees

  • 东莞鸿祥机械有限公司

Dates

Publication Date
20260505
Application Date
20260316

Claims (8)

  1. 1. A rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling is characterized by comprising a front roller and a rear roller, wherein one end of the front roller is coaxially and rotatably arranged on a left front bearing seat, the other end of the front roller is coaxially and rotatably arranged on a right front bearing seat, one end of the rear roller is coaxially and rotatably arranged on a left rear bearing seat, the other end of the rear roller is coaxially and rotatably arranged on a right rear bearing seat, a front roller transmission gear is coaxially fixed on one end main shaft of the front roller, a rear roller transmission gear is coaxially fixed on one end main shaft of the rear roller, the front roller transmission gear is meshed with the rear roller transmission gear, a front roller static slip ring is coaxially sleeved on one end main shaft of the front roller, a rear roller static slip ring is coaxially sleeved on one end main shaft of the rear roller, a static slip ring balance rod is rigidly connected between stator ends of the front roller static slip ring and the rear roller static slip ring, a left rotary joint is in sealing butt joint with one end main shaft end face of the front roller, a right rotary joint is in sealing butt joint with one end main shaft end face of the rear roller, and a rotary joint balance rod is rigidly connected between the left rotary joint and the stator ends of the right rotary joint.
  2. 2. The rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling according to claim 1, wherein the spiral cooling flow channel is a double-head spiral flow channel.
  3. 3. The rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling according to claim 1, wherein buffer cavities are arranged at two axial ends of the spiral cooling flow channel, the liquid inlet and the liquid return port are respectively communicated with the corresponding buffer cavities, and the inner diameter of the buffer cavities is larger than that of the spiral cooling flow channel.
  4. 4. The rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling according to claim 1, wherein the front roller static slip ring and the rear roller static slip ring are noble metal brush type conductive slip rings.
  5. 5. The rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling according to claim 1, wherein waist-shaped adjusting holes are formed in two ends of the static slip ring balance rod, the length direction of each waist-shaped adjusting hole is parallel to the direction of a central connecting line of the front roller and the rear roller, and the static slip ring balance rod is detachably connected with a stator end of a corresponding static slip ring through a locking bolt.
  6. 6. The rubber mixing machine double-roller working assembly integrating static electricity elimination and constant temperature cooling according to claim 1, wherein the left rotary joint and the right rotary joint are both end face sealing rotary joints.
  7. 7. The rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling according to claim 1, wherein the front roller transmission gear and the rear roller transmission gear are both herringbone bevel gears, modulus, tooth number and helix angle parameters of the front roller transmission gear and the rear roller transmission gear are consistent, and spiral directions of the front roller transmission gear and the rear roller transmission gear are opposite.
  8. 8. The rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling according to claim 1, wherein the left front bearing seat, the right front bearing seat, the left rear bearing seat and the right rear bearing seat are all split bearing seats.

Description

Rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling Technical Field The invention relates to the technical field of core components of mixing equipment, in particular to a rubber mixing machine double-roller working assembly integrating static electricity elimination and constant-temperature cooling. Background The open rubber mixing mill is core equipment for plasticating and mixing processing of high polymer materials such as rubber and plastic, the double-roller working assembly is a core working unit of the rubber mixing mill, continuous shearing and extrusion effects are applied to materials through a pair of rollers rotating at different speeds in opposite directions, plasticizing and uniform mixing of the materials are achieved, and the accuracy, stability and production safety of mixing processing are directly determined through structural performance of the open rubber mixing mill. The rubber mixing machine double-roller assembly in the prior art has the technical defects that high-speed friction between a high polymer material and the surface of a roller can generate a large amount of static electricity, static accumulation is easy to cause scorching and aging of the material and even has potential safety hazards of dust explosion, the existing external static eliminating structure is limited in eliminating range, continuous static guiding out of the whole roller surface and the whole time period of the roller cannot be realized, poor contact time is easily caused by vibration influence, static eliminating stability is poor, the roller temperature control precision is low, the existing roller mainly adopts a straight-through cooling flow channel, a cooling liquid heat exchange path is short, residence time is short, heat exchange efficiency is low, the axial and radial temperature difference of the roller is easily caused, plasticization degree is uneven in the material mixing process, product quality stability is seriously affected, running stability is poor, failure rate is high, rotary joints at the end parts of the roller are independently installed along with a main shaft for a long time, a synchronous limiting structure is not available, coaxiality deviation easily occurs in the running process of equipment, a sealing pair is fast, the problem of cooling liquid appears, equipment maintenance cost and downtime is greatly increased, meanwhile, a slip ring is not easy to fix the main shaft and a limiting structure is not easy to have a limit structure, the main shaft is easy to coincide with the running state, the conventional gear is not easy to have high, the running stability is easy to have high, the common wear and the conventional gear has high and has high running stability, and has high abrasion, and has high running stability and has high abrasion. Disclosure of Invention The invention aims to provide a rubber mixing machine double-roller working assembly integrating static elimination and constant-temperature cooling, which has the advantages of high safety, low failure rate, strong adaptability and long service life. The invention provides a rubber mixing machine double-roller working assembly integrating static elimination and constant temperature cooling, which comprises a front roller and a rear roller, wherein one end of the front roller is coaxially and rotatably arranged on a left front bearing seat, the other end of the front roller is coaxially and rotatably arranged on a right front bearing seat, one end of the rear roller is coaxially and rotatably arranged on a left rear bearing seat, the other end of the rear roller is coaxially and rotatably arranged on a right rear bearing seat, a front roller transmission gear is coaxially and fixedly arranged on one end main shaft of the front roller, a rear roller transmission gear is coaxially and fixedly arranged on one end main shaft of the rear roller, a front roller static slip ring is coaxially sleeved on one end main shaft of the front roller, a rear roller static slip ring is coaxially sleeved on one end main shaft of the rear roller, a static slip ring balance rod is rigidly connected between stator ends of the front roller static slip ring and the rear roller static slip ring, a left rotary joint is in sealing butt joint with one end main shaft end face of the front roller, a right rotary joint is in sealing butt joint with one end main shaft end face of the rear roller, and a rotary joint balance rod is rigidly connected between the left rotary joint and the stator ends of the right rotary joint. Preferably, the spiral cooling flow channel is a double-ended spiral flow channel. Preferably, buffer cavities are arranged at the two axial ends of the spiral cooling flow channel, the liquid inlet and the liquid return port are respectively communicated with the corresponding buffer cavities, and the inner diameter of the buffer cavities is larger than that of the