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CN-224211773-U - Forward and reverse rotation control and adjustment device of spiral discharging machine

CN224211773UCN 224211773 UCN224211773 UCN 224211773UCN-224211773-U

Abstract

The utility model relates to the technical field of spiral discharging machines, in particular to a forward and reverse rotation control and regulation device of a spiral discharging machine, which comprises a charging barrel, wherein a charging end and a discharging end of the charging barrel are respectively and fixedly provided with a charging pipe and a discharging pipe, an end cover is detachably arranged at the charging end of the charging barrel, a spiral blade is arranged in the charging barrel, a transmission shaft penetrating out of the end cover and rotationally connected with the end cover is fixedly arranged at the central position of the spiral blade, a driven gear is detachably arranged on an end shaft body penetrating out of the end cover of the transmission shaft, one side of the driven gear is provided with a double-speed three-phase asynchronous motor, a driving gear is detachably arranged on an output shaft of the double-speed three-phase asynchronous motor, the driving gear and the driven gear are meshed with each other, and one side of the double-speed three-phase asynchronous motor is provided with a control and regulation device for controlling forward and reverse rotation of the double-speed three-phase asynchronous motor. The utility model is convenient for disassembly and maintenance operation and is beneficial to stable transmission.

Inventors

  • LI SHUHONG
  • Ma Kemeng
  • ZHANG YUANHUA
  • Ma Xingmai

Assignees

  • 云南云天化云峰化工有限公司

Dates

Publication Date
20260508
Application Date
20250613

Claims (8)

  1. 1. The positive and negative rotation control adjusting device of the spiral discharging machine comprises a charging barrel (1) and is characterized in that a charging end and a discharging end of the charging barrel (1) are fixedly provided with a charging pipe (10) and a discharging pipe (11) respectively, an end cover (16) is detachably arranged at the charging end of the charging barrel (1), a spiral blade (2) is arranged in the charging barrel (1), a transmission shaft (20) penetrating out of the end cover (16) and in rotary connection with the end cover (16) is fixedly arranged at the central position of the spiral blade (2), a driven gear (22) is detachably arranged on an end shaft body of the transmission shaft (20) penetrating out of the end cover (16), a driving gear (23) is detachably arranged on an output shaft of the double-speed three-phase asynchronous motor (21), the driving gear (23) is mutually meshed with the driven gear (22), and one side of the double-speed three-phase asynchronous motor (21) is provided with a control device (3) for controlling the positive and negative rotation of the double-speed three-phase asynchronous motor (21).
  2. 2. The positive and negative rotation control and adjustment device of the spiral discharging machine according to claim 1, wherein a discharging valve (12) is fixedly arranged at the end part of the discharging pipe (11), and an outer discharge pipe (13) is connected with a discharging end flange of the discharging valve (12).
  3. 3. The positive and negative rotation control and adjustment device of the spiral discharging machine according to claim 1, wherein a fixed ring (14) is fixedly arranged at the feeding end part of the charging barrel (1), and the end cover (16) is detachably connected with the fixed ring (14) through a plurality of fastening bolts.
  4. 4. The positive and negative rotation control and adjustment device of the spiral discharging machine according to claim 3, wherein a sealing ring (15) is arranged between the fixed ring (14) and the end cover (16), and the end cover (16) presses the sealing ring (15) on the front side surface of the fixed ring (14).
  5. 5. The forward and reverse rotation control and adjustment device of the spiral discharging machine according to claim 1, wherein a mechanical seal (161) is fixedly arranged at the center of the outer side surface of the end cover (16), and the transmission shaft (20) penetrates through the mechanical seal (161) and is in rotary connection with the mechanical seal (161).
  6. 6. The positive and negative rotation control and adjustment device of the spiral discharging machine according to claim 1, wherein a fixed sleeve (24) is fixedly arranged on each of the driving gear (23) and the driven gear (22), and the fixed sleeve (24) is detachably connected with a corresponding shaft body through a fastening bolt.
  7. 7. The positive and negative rotation control and regulation device of the spiral discharging machine according to claim 1, wherein the control and regulation device (3) comprises a controller (30) and a control panel (35), and a speed regulation knob (37) and a positive and negative rotation control button (38) are arranged on the control panel (35).
  8. 8. The forward and reverse rotation control and adjustment device of the spiral discharging machine according to claim 7, wherein a controller housing (31) is arranged outside the controller (30), wiring holes (32) are formed in the bottom wall of the controller housing (31), a plurality of radiating holes (34) are formed in the side face of the controller housing (31), a fixing frame (33) is fixedly arranged on the front side housing of the controller housing (31), a control panel housing (36) is fixedly arranged outside the control panel (35), and the fixing frame (33) is detachably arranged on the rear side face of the control panel housing (36).

Description

Forward and reverse rotation control and adjustment device of spiral discharging machine Technical Field The utility model relates to the technical field of spiral discharging machines, in particular to a forward and reverse rotation control and adjustment device of a spiral discharging machine. Background In the production process of the nitro humic acid, the spiral discharging machine is important material conveying equipment, the nitro humic acid is conveyed and discharged through rotation of the spiral blades, motors are coaxially arranged at the ends of the spiral blades, the motors on the spiral discharging machine can be controlled to operate through a controller, and the effects of controlling forward rotation, reverse rotation, speed regulation and the like of the motors can be achieved through the controller. The patent of the invention with the publication number CN119517691A discloses a multi-contact motor forward and backward rotation control device, which structurally comprises a rotatable movable contact, an elastic telescopic rod, a sliding push rod and an electromagnetic assembly. The electromagnetic component is used as driving force to realize the rapid switching of the position of the movable contact so as to control the forward and reverse rotation of the motor. The sliding push rod is matched with a reciprocating boosting block on the back of the movable contact, so that the movable contact can move rapidly and stably. The device adopts miniaturized design, compact structure, saves space, and is convenient for installation and integration into various electrical control systems. In addition, the scraping effect of the movable contact in the switching-on process automatically cleans the fixed contact, so that the contact fusion welding is effectively prevented, and the safety of the system is enhanced. The device is easy to detach and maintain, can ensure safe disconnection even under the condition that the return spring fails, and is suitable for wide industrial automation application. Although the technical scheme has the corresponding advantages, most of the prior spiral discharging machines capable of controlling the forward and reverse rotation of the motor through the control device still have some defects when in use, such as the spiral blades on the spiral discharging machines are generally directly and fixedly connected with the motor through the transmission shaft, the direct and fixed connection cannot ensure that the power is efficiently and stably transmitted to the transmission shaft of the spiral blades, and in addition, the direct and fixed connection brings inconvenience to the follow-up disassembly and overhaul and other operations. In view of this, we propose a forward and reverse rotation control and adjustment device of a spiral discharging machine. Disclosure of utility model The utility model aims to provide a forward and reverse rotation control and adjustment device of a spiral discharging machine, so as to solve the defects in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: The positive and negative rotation control and regulation device of the spiral discharging machine comprises a charging barrel, a feeding end and a discharging end of the charging barrel are respectively and fixedly provided with a feeding pipe and a discharging pipe, an end cover is detachably arranged at the feeding end of the charging barrel, a spiral blade is arranged in the charging barrel, a transmission shaft penetrating out of the end cover and rotationally connected with the end cover is fixedly arranged at the center position of the spiral blade, a driven gear is detachably arranged on an end shaft body of the end cover, one side of the driven gear is provided with a double-speed three-phase asynchronous motor, a driving gear is detachably arranged on an output shaft of the double-speed three-phase asynchronous motor, the driving gear is meshed with the driven gear, and one side of the double-speed three-phase asynchronous motor is provided with a control and regulation device for controlling the positive and negative rotation of the double-speed three-phase asynchronous motor. Preferably, a discharge valve is fixedly arranged at the end part of the discharge pipe, and an outer discharge pipe is connected with a discharge end flange of the discharge valve. Preferably, a fixed ring is fixedly arranged at the feeding end part of the charging barrel, and the end cover is detachably connected with the fixed ring through a plurality of fastening bolts. Preferably, a sealing ring is arranged between the fixing ring and the end cover, and the end cover compresses the sealing ring on the front side surface of the fixing ring; Preferably, a mechanical seal is fixedly arranged at the center position of the outer side surface of the end cover, and the transmission shaft penetrates through the mechanical se