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CN-121993577-A - Gear box structure of extruder

CN121993577ACN 121993577 ACN121993577 ACN 121993577ACN-121993577-A

Abstract

The invention belongs to the technical field of extruder gear boxes, in particular to an extruder gear box structure, which comprises a box body, wherein a transmission shaft is rotatably arranged on one side of an inner cavity of the box body, a first gear and a second gear are fixedly sleeved on two sides of the transmission shaft respectively, a bottom plate is fixedly connected to one side of the bottom of the inner cavity of the box body, a sliding seat is connected to one side of the upper end surface of the bottom plate in a sliding manner, driving shafts are rotatably arranged at two ends of the upper side of the sliding seat, a third gear and a fourth gear are fixedly sleeved on two sides of the driving shafts respectively, and a wrapped lubricating assembly is further arranged on the box body. When the gear is required to be lubricated, the gear can be wrapped in the cavity formed by the two semicircular shells, and lubricating oil is sprayed to the surface of the gear from the plurality of spray heads after passing through the hose and the arc-shaped pipe.

Inventors

  • YU LEI
  • GUO CHENGTAO

Assignees

  • 山东福高环保科技有限公司

Dates

Publication Date
20260508
Application Date
20260203

Claims (10)

  1. 1. The gear box structure of the extruder comprises a box body (1) and is characterized in that a transmission shaft (5) is rotatably arranged on one side of an inner cavity of the box body (1), a first gear (10) and a second gear (11) are fixedly sleeved on two sides of the transmission shaft (5), a bottom plate (6) is fixedly connected to one side of the bottom of the inner cavity of the box body (1), a sliding seat (7) is slidably connected to one side of the upper end face of the bottom plate (6), driving shafts (9) are rotatably arranged at two ends of the upper side of the sliding seat (7), a third gear (12) and a fourth gear (13) are fixedly sleeved on two sides of the driving shafts (9), and a wrapped lubricating assembly is further arranged on the box body (1); The utility model provides a lubrication package of formula (I) is including fixed connection in a supporting beam (14) of box (1) inner wall one side, supporting beam (14) one side sliding connection has sideslip board (15), sliding connection has slider (16) on sideslip board (15) one side, sliding connection has two guide bars (20) on slider (16), guide bar (20) lower extreme fixedly connected with lifter plate (17), equal sliding connection has semicircle shell (26) in terminal surface both sides under lifter plate (17), equal fixedly connected with laminating cloth (27) in semicircle shell (26) both sides inner circle edge, laminating cloth (27) are the elastic material, semicircle shell (26) one side fixedly connected with arc pipe (24), arc pipe (24) one side is provided with a plurality of shower nozzles (25), shower nozzle (25) run through semicircle shell (26) and link firmly with it.
  2. 2. The extruder gearbox structure of claim 1, wherein an electric push rod I (8) is fixedly connected to one side of the upper end face of the bottom plate (6), and a piston end of the electric push rod I (8) is fixedly connected with one side of the sliding seat (7).
  3. 3. The extruder gearbox structure according to claim 1, wherein a motor IV (37) is fixedly connected to one side of the upper end of the sliding seat (7), and the output end of the motor IV (37) is fixedly connected with one end of the driving shaft (9).
  4. 4. The gearbox structure of an extruder, as set forth in claim 1, characterized in that an electric push rod III (18) is fixedly connected to one side of the supporting beam (14), a piston end of the electric push rod III (18) is fixedly connected to one side of the traversing plate (15), an electric push rod IV (19) is fixedly connected to one side of the traversing plate (15), and a piston end of the electric push rod IV (19) is fixedly connected to one side of the sliding block (16).
  5. 5. The gearbox structure of the extruder is characterized in that an electric push rod five (21) is fixedly connected to one side of the upper end face of the sliding block (16), and the piston end of the electric push rod five (21) is fixedly connected with one side of the lifting plate (17).
  6. 6. The extruder gearbox structure of claim 1, wherein a lubricating oil tank (2) is arranged on one side of the upper end face of the box body (1), a pump body (3) is fixedly communicated with one side of the lubricating oil tank (2), a hose (4) is communicated with an oil outlet end of the pump body (3), the hose (4) penetrates through the top of the box body (1), and pipe orifices on two sides of the hose (4) are respectively communicated with arc-shaped pipes (24) on two sides.
  7. 7. The gearbox structure of an extruder according to claim 1, wherein two ends of the lifting plate (17) are rotatably provided with two-way threaded rods (22), two sides of the two-way threaded rods (22) are respectively connected with semicircular shells (26) on two sides in a threaded mode, one end of the lifting plate (17) is fixedly connected with a first motor (23), and the output end of the first motor (23) is fixedly connected with one end of the two-way threaded rods (22).
  8. 8. The extruder gearbox structure of claim 1, wherein the end faces of two sides of the semicircular shell (26) are uniformly distributed along the circumferential direction and are slidably connected with a plurality of traction rods (33), the end parts of the traction rods (33) are fixedly connected with fixing columns (34), and the end parts of the fixing columns (34) are fixedly connected with the attaching cloth (27).
  9. 9. The extruder gearbox structure of claim 8, wherein one side of the semicircular shell (26) is fixedly connected with a telescopic rod (31), a driving plate (28) is fixedly connected to a piston end of the telescopic rod (31), a threaded rod (30) is rotatably arranged on one side of the semicircular shell (26), the threaded rod (30) is in threaded connection with the driving plate (28), a connecting rod (32) is rotatably arranged at one end of a traction rod (33), one end of the connecting rod (32) is rotatably arranged on the driving plate (28), a motor II (29) is fixedly connected to one side of the semicircular shell (26), and an output end of the motor II (29) is fixedly connected with one end of the threaded rod (30).
  10. 10. The extruder gearbox construction of claim 1 further comprising an elastic maintenance assembly; the elastic maintenance assembly comprises an eccentric block (35) which is rotatably arranged on a traction rod (33) at one side, a motor III (36) is fixedly connected to one side of the traction rod (33), the output end of the motor III (36) is fixedly connected with the middle part of the eccentric block (35), and the edge of the eccentric block (35) is attached to the surface of the attaching cloth (27).

Description

Gear box structure of extruder Technical Field The invention belongs to the technical field of extruder gear boxes, and particularly relates to an extruder gear box structure. Background The screw extruder relies on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, and the materials are molded through a die. The extruder gearbox is a power transmission device for an extruder, and has the core functions of realizing power transmission and conversion through gear engagement, and specifically comprises the steps of reducing the rotation speed of a motor, increasing the output torque and the like. The patent of publication number CN222415813U discloses multistage stable transmission type double screw extruder gear box, this patent has solved the inconvenient problem of scribbling lubricating oil in the transmission process, multistage stable transmission type double screw extruder gear box, including the gear box main part, the inside oiling mechanism that is used for oiling for inside gear that is provided with of gear box main part, oiling mechanism includes the oil storage box, the kerve has been seted up to oil storage box bottom surface, the inside sliding connection of kerve has the compression pole, the inside compression chamber that is provided with of oil storage box, compression pole one end fixedly connected with compression board, the inside groove of compression has been seted up, inside sliding connection of inside groove has the limiting plate, limiting plate one side fixedly connected with slider and stripper plate, the inside stock solution room that still is provided with of oil storage box, stock solution room inside packing has lubricating oil, stock solution room inner wall bottom surface fixedly connected with pressure valve, oil storage box bottom surface fixedly connected with transfer line and atomizer, the effect of being convenient for lubricating gear in the transmission process has been realized. However, the above technical solution has the following disadvantages in the practical application process: Because of the multistage transmission in the gear, lubricating oil can be sprayed on the surface of the gear in the use process, so that a lubricating effect is achieved on the gear, friction and noise are reduced, and the transmission stability is ensured. However, the injection method with such a fixed orientation is limited, so that it is difficult for the lubricating oil to uniformly cover the entire engagement surface of the gear, and partial lubrication of the tooth surface is liable to be caused. In addition, the lubricant may splash when sprayed onto the gear surface. This not only exacerbates the uneven lubrication condition, but also creates significant wastage of lubrication oil. Disclosure of Invention In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the invention provides a gear box structure of an extruder. The technical scheme includes that the gearbox structure of the extruder comprises a box body, wherein a transmission shaft is rotatably arranged on one side of an inner cavity of the box body, a first gear and a second gear are fixedly sleeved on two sides of the transmission shaft respectively, a bottom plate is fixedly connected to one side of the bottom of the inner cavity of the box body, a sliding seat is connected to one side of the upper end face of the bottom plate in a sliding manner, driving shafts are rotatably arranged at two ends of the upper side of the sliding seat, a third gear and a fourth gear are fixedly sleeved on two sides of the driving shafts respectively, and a wrapped lubricating assembly is further arranged on the box body; the utility model provides a lubrication assembly of parcel formula includes a supporting beam of fixed connection in box inner wall one side, supporting beam one side sliding connection has the sideslip board, sideslip board one side sliding connection has the slider, sliding connection has two guide bars on the slider, guide bar lower extreme fixedly connected with lifter plate, equal sliding connection in terminal surface both sides have the semicircle shell under the lifter plate, the equal fixedly connected with laminating cloth of semicircle shell both sides inner circle edge, laminating cloth is elastic material, semicircle shell one side fixedly connected with arc tube, arc tube one side is provided with a plurality of shower nozzles, the shower nozzle runs through the semicircle shell and links to each other rather than fixed. Preferably, one side of the upper end face of the bottom plate is fixedly connected with an electric push rod I, and a piston end of the electric push rod I is fixedly connected with one side of the sliding seat. Preferably, one side of the upper end of the sliding seat is fixedly connected with a motor IV, and the output end of the motor IV is fixedly co