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CN-122006389-A - A ventilation dust collector for masterbatch production

CN122006389ACN 122006389 ACN122006389 ACN 122006389ACN-122006389-A

Abstract

The invention discloses a ventilation dust removing device for color master batch production, which relates to the technical field of plastic processing equipment and comprises a dust removing shell, wherein a separation cavity and a clean air manifold are formed in the dust removing shell, and an air suction port communicated with the clean air manifold is formed in the top of the dust removing shell. After the air suction port is plugged, a closed space is formed in the dust removing filter box, when the plastic filter plate is extruded, the internal gas pressure rises and reversely penetrates through micropores of the filter plate, loose dust on the surface is blown away, the pulse back blowing effect without additional air source consumption is realized, when the return spring drives the plastic filter plate to reset rapidly, the moving part suddenly stops generating inertial force, so that residual dust is further dropped off, the plastic filter plate at the reset terminal collides with the dust removing filter box rigidly, the generated high-frequency mechanical vibration is transmitted to the deep part of a bending groove of the filter plate, the refractory dust deposit is thoroughly removed, the blind area of traditional air flow back blowing is made up, the synergistic effect of the three is realized, and the dust removing efficiency is remarkably improved.

Inventors

  • ZHANG DEFA
  • ZHANG YUEXIANG

Assignees

  • 南京特塑科技有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. A ventilation dust collector for masterbatch production, includes dust removal casing (1), separation chamber (15) and net gas manifold (16) have been seted up to the inside of dust removal casing (1), and suction port (17) with net gas manifold (16) intercommunication are seted up at the top of dust removal casing (1), its characterized in that still includes: The centrifugal preseparator (12) is fixedly connected to the side wall of the dust removal shell (1); the air purifying mechanism (2) is arranged at the top of the dust removing machine shell (1) and is used for providing negative pressure suction force for the device and monitoring the exhaust air speed; The reciprocating mechanism (3) is arranged inside the separation cavity (15); The airflow blocking mechanism (4) is arranged inside the clean airflow collecting cavity (16); The reciprocating mechanism (3) is used for driving the airflow blocking mechanism (4) to move to the position below the air suction port (17) to block the air suction port; The pulse cleaning mechanism (5) is arranged in the separation cavity (15); The intermittent discharging mechanism (6) is arranged at the opening at the bottom of the dust removing machine shell (1) and is used for intermittently discharging the separated and collected dust.
  2. 2. The ventilating and dust removing device for color master batch production according to claim 1, wherein a dust collecting pipeline (11) communicated with the inside of the centrifugal preseparator (12) is fixedly penetrated at the top of the centrifugal preseparator (12), and one end of the dust collecting pipeline (11) away from the centrifugal preseparator (12) is fixedly connected with the top of the dust removing machine shell (1) and communicated with the separation cavity (15), and the ventilating and dust removing device further comprises: A tangential air inlet pipe (13) arranged on the outer wall of the centrifugal preseparator (12) and used for guiding dust-containing gas to enter the centrifugal preseparator (12) in a high-speed tangential mode; The airflow guide blades (14) are fixedly arranged on the inner wall of the separation cavity (15); The support frame (18) is fixedly arranged at the top of the dust removing machine shell (1).
  3. 3. A ventilation and dust removal device for masterbatch production according to claim 1 or 2 characterized in that said air cleaning means (2) comprises: the servo motor (21) is fixedly arranged at the top of the support frame (18); a centrifugal induced draft fan (22) is fixedly arranged at the top of the dust removal shell (1), an air inlet of the centrifugal induced draft fan is communicated with the air suction port (17) in a sealing way, and a power input end of the centrifugal induced draft fan is connected with an output end of the servo motor (21) in a transmission way through a belt; And the airflow speed monitor (23) is fixedly arranged at the exhaust port of the centrifugal induced draft fan (22) and is used for monitoring the exhaust air speed in real time.
  4. 4. The ventilating and dust removing device for color master batch production according to claim 3, wherein the output end of the servo motor (21) is provided with a clamping groove (24), the bottom of the servo motor (21) is provided with a transmission connecting rod (25), the transmission connecting rod (25) penetrates through the top of the dust removing machine shell (1) and extends to the outer side, the outer wall of the top end of the transmission connecting rod (25) is slidably connected with a positioning clamping plate (26), the bottom of the positioning clamping plate (26) is provided with an air cylinder (27), the top of the air cylinder (27) is fixedly connected with a U-shaped plate (28), the inner wall of the U-shaped plate (28) is in contact with the outer wall of the positioning clamping plate (26), and the bottom of the air cylinder (27) is fixedly connected with the top of the dust removing machine shell (1).
  5. 5. The ventilating and dust removing device for color master batch production according to claim 1 or 4, wherein the reciprocating mechanism (3) comprises an I-shaped sliding rail (31) fixedly connected to the top of the inner wall of the separation cavity (15), a reciprocating sliding seat (32) is slidably connected to the side wall of the I-shaped sliding rail (31), a sliding guide rod (33) penetrates through the side wall of the reciprocating sliding seat (32), a wedge-shaped pushing block (34) is fixedly connected to one end, far away from the reciprocating sliding seat (32), of the sliding guide rod (33), a connecting spring (35) is fixedly connected to the side wall of the wedge-shaped pushing block (34), one end, far away from the wedge-shaped pushing block (34), of the connecting spring is fixedly connected with the side wall of the reciprocating sliding seat (32), and a stress inclined surface block (36) is fixedly connected to the side wall of the wedge-shaped pushing block (34).
  6. 6. The ventilating and dedusting device for color master batch production as set forth in claim 5, wherein the reciprocating mechanism (3) further comprises a connecting seat (301) fixedly connected to the bottom of the I-shaped sliding rail (31), a reciprocating screw rod (302) is rotatably connected to the through hole of the connecting seat (301), the reciprocating screw rod (302) is in threaded connection with a reciprocating sliding seat (32), one end of the reciprocating screw rod (302) is fixedly connected with a driven gear (303), the side wall of the driven gear (303) is in meshed connection with a driving gear (304), and the center shaft of the driving gear (304) is fixedly connected with the outer wall of the transmission connecting rod (25).
  7. 7. The ventilating and dust removing device for color master batch production according to claim 1 or 6, wherein the air flow blocking mechanism (4) comprises a guide rod (41) connected to the inner wall of the clean air collecting cavity (16), an air flow blocking plate (42) is slidably connected to the outer wall of the guide rod (41), a movable magnetic attraction block (43) is fixedly connected to the bottom of the air flow blocking plate (42), a fixed magnetic attraction seat (44) is arranged at the bottom of the movable magnetic attraction block (43), the bottom of the fixed magnetic attraction seat (44) is fixedly connected with the bottom of the inner wall of the clean air collecting cavity (16), a guide top sliding block (45) is fixedly connected to the bottom of the air flow blocking plate (42), the guide top sliding block (45) penetrates through the inner wall of the clean air collecting cavity (16) and extends into the separating cavity (15), a guide box (46) is fixedly connected to the inner wall of the clean air collecting cavity (16), and the outer surface of the guide top sliding block (45) is in contact with the outer wall of the wedge-shaped push block (34).
  8. 8. The ventilating and dedusting device for color master batch production as set forth in claim 1, wherein the pulse cleaning mechanism (5) comprises a clean air pipe (51) fixedly connected to the inner wall of the clean air manifold (16), a dedusting filter box (52) is arranged at the bottom end of the clean air pipe (51) in a communicated mode, an I-shaped guide rail (53) is fixedly connected to the inner wall of the dedusting filter box (52), sliding frames (54) are symmetrically arranged on the side walls of the I-shaped guide rail (53), the side walls of the I-shaped guide rail (53) are in sliding connection with the sliding frames (54), a plastic sintering filter plate (55) is detachably arranged on the side walls of the sliding frames (54), and a return spring (56) is fixedly connected between the two I-shaped guide rails (53).
  9. 9. The ventilating and dust removing device for color master batch production as set forth in claim 8, wherein a guide plate (57) is fixedly connected to the side wall of the sliding frame (54), a guide chute (58) is formed in the side wall of the guide plate (57), a vertical pressing rod (59) is connected to the inner wall of the guide chute (58) in a sliding manner, and the top end of the vertical pressing rod (59) penetrates through the inner wall of the dust removing and filtering box (52) and extends to the outer side.
  10. 10. The ventilating dust removing device for color master batch production according to claim 4, wherein the intermittent discharging mechanism (6) comprises a discharging box (61) fixedly connected to the bottom of the dust removing machine shell (1), a discharging opening (62) is formed in the bottom of the discharging box (61), a dust collecting bin (63) is slidingly connected to the inner wall of the discharging box (61), a discharging sealing door (64) is rotationally connected to the opening at the bottom of the dust collecting bin (63), a sealing plate (65) is fixedly connected to the side wall of the discharging sealing door (64), a linear guide groove (66) is formed in the top of the sealing plate (65), a transmission shifting plate (67) is slidingly connected to the inner wall of the linear guide groove (66), and the bottom of the transmission shifting plate (67) is fixedly connected to the bottom end of the transmission connecting rod (25).

Description

A ventilation dust collector for masterbatch production Technical Field The invention relates to the technical field of plastic processing equipment, in particular to a ventilation and dust removal device for masterbatch production. Background The color master batch is a novel special colorant for polymer materials, and is an aggregate prepared by uniformly loading an ultra-large amount of pigment or dye into resin. In the production process of the masterbatch, the steps of raw material pretreatment, batch mixing, melt extrusion, cooling and granulating and the like are generally involved. In the process of mixing ingredients and feeding, high-speed stirring and mixing are needed for high-concentration powdery pigment, carrier resin and auxiliary agent, and because pigment powder has extremely fine particle size, light specific gravity, large specific surface area and the like, a large amount of dust is extremely easy to fly in the feeding and stirring process of a high-speed mixer, and a ventilation and dust removal device is one of indispensable components in the manufacturing process of color master batches. However, in practical application, the problems which are not solved yet exist are that the conventional device generally adopts pulse blowing to remove ash, pulse air flow is unevenly distributed and is not thoroughly removed from a blowing port area, ash deposition dead angles are easy to form at bending grooves of a plastic-sintered filter plate, conventional air flow cannot effectively impact, and blown dust is easy to reattach to cause secondary pollution. In addition, the pulse ash removal needs to be equipped with an independent compressed air system, equipment investment and operation energy consumption are high, meanwhile, an air suction port is opened during ash removal, a fan continuously sucks, a back blowing air flow part is sucked away to form a short circuit, the actual ash removal strength is insufficient, a simple valve is adopted for a discharge port, the tightness is poor, external air is sucked from the bottom to form air leakage during negative pressure operation, the suction force of a main air suction port is weakened, and settled dust is rewound. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The present invention has been made in view of the above and/or problems occurring in the conventional ventilating dust removing apparatus for masterbatch production. Therefore, the invention aims to solve the problems that the pulse air flow is unevenly distributed and the dust is not thoroughly removed in the area far away from the jetting port, the bending groove of the plastic-sintered filter plate is easy to form dust-collecting dead angles, and the conventional air flow cannot effectively impact. The invention provides a ventilation dust removing device for color master batch production, which comprises a dust removing shell, wherein a separation cavity and a clean air collecting cavity are formed in the dust removing shell, an air suction port communicated with the clean air collecting cavity is formed in the top of the dust removing shell, the ventilation dust removing device also comprises a centrifugal preseparator fixedly connected to the side wall of the dust removing shell, a clean air mechanism is arranged at the top of the dust removing shell and used for providing negative pressure suction for the device and monitoring exhaust air speed, a reciprocating mechanism is arranged in the separation cavity, an air flow blocking mechanism is arranged in the clean air collecting cavity, the reciprocating mechanism is used for driving the air flow blocking mechanism to move below the air suction port to block the air suction port, a pulse cleaning mechanism is arranged in the separation cavity, and an intermittent discharging mechanism is arranged at an opening at the bottom of the dust removing shell and used for intermittently discharging separated and collected dust. The invention relates to a ventilating dust-removing device for color masterbatch production, which comprises a dust-collecting pipeline, a tangential air inlet pipeline, an air flow guide blade, a support frame and a dust-removing shell, wherein the dust-collecting pipeline is fixedly connected with the top of the dust-removing shell and communicated with the separation cavity through penetrating and fixing the top of a centrifugal preseparator, one end of the dust-collecting pipeline, which is far away from the centrifugal preseparator, is fixedly connected with the top of the dust-removing shell, the tangential air inlet pipeline is arranged on the outer wall of the centrifugal preseparator and is