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CN-121989390-A - Waste crushing and recycling device for silica gel pad production

CN121989390ACN 121989390 ACN121989390 ACN 121989390ACN-121989390-A

Abstract

The invention relates to the technical field of crushing recovery devices, in particular to a waste crushing recovery device for silica gel pad production. The rotary screen comprises a frame, and further comprises an indexing rotary drum which is rotationally connected to the frame and intermittently rotates by 90 degrees, a rotary screen drum is rotationally connected to the indexing rotary drum, a belt material partition plate is arranged on the peripheral array of the rotary screen drum, screen holes are formed in the array, a crushing drum, a kneading drum and an impact anvil drum are rotationally communicated to the indexing rotary drum, a pre-crushing box is fixedly communicated to the indexing rotary drum, vibration driving units are arranged in the crushing drum and the impact anvil drum, an outer cutter shaft and an inner cutter shaft which coaxially rotate reversely are connected to a power unit in the crushing drum in a transmission mode, first blades are arranged on the outer cutter shaft and the inner cutter shaft in an array mode, and second blades are arranged on the inner wall array of the crushing drum. The invention has the beneficial effects of solving the problem that the silica gel pad is not thoroughly crushed when the elastic, tough and sticky waste is treated in the prior art, and breaking through the technical limitation of single extrusion or shearing crushing.

Inventors

  • YE ZHIWEI
  • LV JUNLING

Assignees

  • 广东智腾新材料有限公司

Dates

Publication Date
20260508
Application Date
20260319

Claims (9)

  1. 1. Waste material crushing recovery unit is used in silica gel pad production, including frame (1), its characterized in that still includes: An indexing drum (2) is rotationally connected to a frame (1) and intermittently rotates at 90 degrees, a rotary screen drum (3) is rotationally connected to the indexing drum (2), a material-carrying partition plate (301) is arranged on the peripheral array of the rotary screen drum (3) and provided with screen holes (302) in an array mode, a crushing drum (4), a kneading drum (5) and an impact anvil drum (6) are rotationally communicated to the indexing drum (2), pre-crushing boxes (7) are fixedly communicated to the indexing drum (2), vibration driving units are arranged in the crushing drum (4) and the impact anvil drum (6), an outer cutter shaft (401) and an inner cutter shaft (402) which coaxially rotate reversely are connected to a power unit in the crushing drum (4) in a transmission mode, first blades (403) are arranged on the outer cutter shaft (401) and the inner cutter shaft (402) in an array mode, a second blade (404) is arranged on the inner wall array of the crushing drum (4), impact hammers (601) which coaxially rotate reversely are arranged in the impact anvil drum (6), a cutter drum (601), the outer cutter shaft (401) and the inner cutter shaft (402) alternately rotate reversely in a first vibration mode and a second vibration mode, the two cutter shafts (702) are connected to a rotary table (702) in a rotary mode, cutting roller (702) is arranged reversely, and two cutter rollers (702) are arranged in a rotary mode and rotating synchronously, a kneading cone (501) which is coaxially and reversely rotated with the kneading cylinder (5) is rotatably arranged; The synchronous transmission unit is configured to drive the crushing cylinder (4), the kneading cylinder (5), the anvil cylinder (6) and the knife roller (701) to synchronously rotate and drive the vibration driving unit to work; an intermittent indexing unit configured to drive the rotary screen drum (3) to intermittently rotate; The fixed charging barrel (8) is fixedly arranged on the frame (1), the fixed charging barrel (8) is rotationally connected with the rotary charging barrel (9), and the rotary charging barrel (9) is fixedly communicated with the pre-crushing box (7); And the air blowing unit is configured to realize periodic back blowing of the screen holes (302).
  2. 2. The waste crushing and recycling device for silica gel pad production according to claim 1, wherein a feeding box (801) is arranged at the right top of the fixed charging barrel (8), a discharge valve (802) is communicated with the right bottom of the fixed charging barrel, a crushed aggregates discharge port is arranged at the front end of the rotary screen barrel (3), a diversion conical surface communicated with the sieve holes (302) and the crushed aggregates discharge port is arranged on the inner wall of the rotary screen barrel, a sieve material collecting box (101) is fixedly arranged on the frame (1) and corresponds to the position of the crushed aggregates discharge port, and a single chip microcomputer (102) is fixedly arranged on the front end face of the frame (1).
  3. 3. The waste crushing and recycling device for silica gel pad production according to claim 1, wherein the air blowing unit comprises an air purge pump (10) fixedly arranged on the bottom surface of a screening material collecting box (101), an air blowing spray pipe (11) is arranged at the axis position of the rotary screen cylinder (3), the air blowing spray pipe (11) is fixedly communicated with the screening material collecting box (101), an air outlet port of the air purge pump (10) is communicated with the air blowing spray pipe (11), and air purge nozzles are uniformly distributed at the right bottom of the air blowing spray pipe (11).
  4. 4. The waste crushing and recycling device for silica gel pad production according to claim 1, wherein the vibration driving unit comprises a hollow shaft (201) and a bracket (202) fixedly arranged on the indexing drum (2), the crushing drum (4) and the impact anvil drum (6) are rotatably connected with the bracket (202) at corresponding positions, the hollow shafts (201) in the two vibration driving units are rotatably connected in the crushing drum (4) and the impact anvil drum (6) respectively, the bracket (202) is rotatably connected with a first synchronizing shaft (203), the first synchronizing shaft (203) is provided with a first synchronizing bevel gear and an eccentric vibrating wheel (204), the crushing drum (4), the impact drum (6) and the two hollow shafts (201) are provided with a first driven bevel gear, the four first driven bevel gears are in meshed connection with the first synchronizing bevel gears at corresponding positions, the bracket (202) is slidably connected with a reciprocating carriage (205), a compound spring (206) is arranged between the two, the reciprocating carriage (205) is rotatably connected with the first synchronizing shaft (203), the first synchronizing shaft (203) is provided with a first synchronizing bevel gear and the first synchronizing shaft (208), the first vibrating carriage (208) is provided with a cam array of eccentric cams (208) which are in different from each other, and the eccentric cam (208) is in the three eccentric cam arrays (208) are in the three directions, and the eccentric cam arrays (207) are in the three eccentric cam arrays (208) are in the three eccentric arrays (208), the outer cutter shaft (401) is rotationally connected to a reciprocating sliding frame (205) corresponding to the crushing cylinder (4), a second synchronous shaft (209) is rotationally connected to the reciprocating sliding frame (205), a second synchronous bevel gear is mounted on the second synchronous shaft (209), the inner cutter shaft (402) is rotationally connected with the outer cutter shaft (401) through a bearing, second driven bevel gears are mounted on the inner cutter shaft (402) and the outer cutter shaft (401), two second driven bevel gears are in meshed connection with the second synchronous bevel gears, the outer cutter shaft (401) and an impact hammer column (601) are respectively in transmission connection with the two hollow shafts (201), and the impact hammer column (601) is rotationally connected to the reciprocating sliding frame (205) corresponding to the impact anvil cylinder (6).
  5. 5. The waste crushing and recycling device for silica gel pad production according to claim 4, wherein the two second driven bevel gears are symmetrically arranged by taking the horizontal plane where the axis of the second synchronous shaft (209) is located as an axis, through holes are formed in the two hollow shafts (201), shaft coupling sections are arranged on the outer cutter shaft (401) and the impact hammer column (601), the two shaft coupling sections are respectively in sliding connection with the two through holes, and the cross sections of the shaft coupling sections and the through holes are regular hexagons.
  6. 6. The waste crushing and recycling device for silica gel pad production according to claim 1, wherein a gear shaft (703) is rotatably connected to the side surface of the pre-crushing box (7), a driven gear (704) matched with a synchronous transmission unit is mounted on the gear shaft (703), a first transmission belt is connected between the gear shaft (703) and one cutter roller (701) in a transmission manner, a linkage gear (705) is fixedly mounted on each cutter roller (701), and the two linkage gears (705) are in meshed connection.
  7. 7. The waste crushing and recycling device for silica gel pad production according to claim 1, wherein the power unit comprises a first motor (103) and a second motor (104) which are arranged on a frame (1), a second transmission belt is connected to an output shaft of the first motor (103) in a transmission manner, the second transmission belt is connected with an indexing drum (2) in a transmission manner, a power sleeve (105) is connected to the indexing drum (2) in a rotation manner, a third transmission belt is connected between the second motor (104) and the power sleeve (105) in a transmission manner, a transmission cone gear ring (106) and a power gear ring (108) are respectively arranged on the power sleeve (105), rotary cone gear rings are fixedly arranged on the crushing cylinder (4), the kneading cylinder (5) and the impact cylinder (6), and the three rotary cone gear rings are connected with the transmission cone gear ring (106) in a meshing manner, and the power gear ring (704) is connected with a driven gear (704) in a meshing manner.
  8. 8. The waste crushing and recycling device for silica gel pad production according to claim 7, wherein the intermittent indexing unit comprises a driving wheel (109) and an intermittent shaft (110), the driving wheel (109) is rotatably connected to the frame (1), the driving wheel (109) is in transmission connection with a third transmission belt, three intermittent sector tooth sections (111) and intermittent cambered surfaces are alternately arranged on the driving wheel (109) along the circumferential direction, an intermittent gear (107) which is in fit engagement with the intermittent sector tooth sections (111) is arranged on the intermittent shaft (110), and a fourth transmission belt is in transmission connection between the intermittent shaft (110) and the rotary screen drum (3).
  9. 9. The waste crushing and recycling device for silica gel pad production according to claim 1, wherein a kneading gap is formed between the kneading drum (5) and the kneading cone (501), kneading lines are formed on the inner wall of the kneading drum (5) and the outer peripheral surface of the kneading cone (501), a transverse frame is fixedly connected between the rotary charging drum (9) and the indexing drum (2), a third synchronous shaft (706) is rotatably connected to the transverse frame, a third synchronous bevel gear is mounted on the third synchronous shaft (706), a third driven bevel gear is mounted on each of the kneading drum (5) and the kneading cone (501), the two third driven bevel gears are in meshed connection with the third synchronous bevel gears, and the two third driven bevel gears are symmetrically arranged with the horizontal plane where the axis of the third synchronous shaft (706) is located.

Description

Waste crushing and recycling device for silica gel pad production Technical Field The invention relates to the technical field of crushing recovery devices, in particular to a waste crushing recovery device for silica gel pad production. Background With the rapid development of rubber industry, a large amount of waste materials are generated in the production and use processes of rubber products such as silica gel mats, and the waste materials not only occupy space, but also are difficult to naturally degrade, and serious environmental pollution is caused if the waste materials are improperly treated, so that the development of an efficient waste material crushing and recycling device has important significance for recycling resources and protecting the environment; In the prior art, various schemes of waste rubber crushing and recycling devices are available, for example, chinese patent application publication No. CN111688069a discloses a high-efficiency rubber crushing and recycling device and a crushing and recycling method thereof, the device primarily crushes coarse rubber particles through a crushing mechanism, crushed materials slide down through a herringbone blanking plate, and the materials are re-lifted to the upper part of the crushing mechanism through a spiral conveying mechanism in a circulation loop, so as to realize repeated circulation crushing, although the above technical scheme realizes the combination of crushing and magnetic separation to a certain extent, and improves the crushing times through the circulation loop, through deep analysis, the following technical problems still exist when the waste materials with high elasticity, toughness and viscosity such as silica gel pads are treated: The prior art core crushing mode mainly depends on the double-roller extrusion crushing of two thread crushing rollers and the shearing crushing of an auger crushing blade, however, for high-elasticity materials such as a silica gel pad, single extrusion or shearing is difficult to thoroughly crush the high-elasticity materials, so that the materials are easy to deform and slide in a crushing cavity, the crushing efficiency is low, the energy consumption is increased, more importantly, a circulating loop only enables the materials to repeatedly pass through the same crushing mechanism, the repeated superposition of the same crushing principle is still basically realized, the differential and multi-dimensional treatment capability for wastes with different granularity and different physical states is lacking, the gradual and refined crushing from massive wastes to qualified fine materials is difficult to realize, and the granularity uniformity of a final product is difficult to ensure; based on the above, the invention provides a waste crushing and recycling device for producing silica gel pads, which solves the problems in the prior art. Disclosure of Invention The invention provides a waste crushing and recycling device for silica gel pad production, aiming at the technical problems in the prior art, and solves the problem that the crushing mode of the traditional device is single and the crushing is not thorough. The technical scheme for solving the technical problems is that the waste crushing and recycling device for producing the silica gel pad comprises a frame and further comprises: An indexing drum which is rotationally connected on a frame and intermittently rotates by 90 degrees, a rotary screen drum is rotationally connected on the indexing drum, a material-carrying partition board is arranged on the peripheral array of the rotary screen drum, screen holes are arranged on the array, a crushing drum, a kneading drum and an impact anvil drum are rotationally communicated on the indexing drum, a pre-crushing box is fixedly communicated on the indexing drum, vibration driving units are arranged in the crushing drum and the impact anvil drum, an outer cutter shaft and an inner cutter shaft which coaxially and reversely rotate are connected on a power unit in the crushing drum in a transmission way, first blades are arranged on the outer cutter shaft and the inner cutter shaft in an array way, the inner wall array of the crushing cylinder is provided with a second blade, the impact anvil cylinder is internally provided with an impact hammer column which rotates coaxially and reversely, the impact hammer column, an outer cutter shaft and an inner cutter shaft vibrate alternately with a first amplitude, a second amplitude and a third amplitude, two cutter rollers which rotate synchronously and reversely are connected in a pre-crushing box in a rotating way, the two cutter rollers are respectively provided with a cutting rotary table in an array way, the cutting rotary tables on the two cutter rollers are arranged in a staggered way, and a kneading cone which rotates coaxially and reversely is arranged in the kneading cylinder in a rotating way; The synchronous transmission unit is configured to d