CN220804380U

CN220804380U - Screening mechanism for calcium carbonate master batch production

Info

Publication number: CN220804380U
Application number: CN202322440352.6U
Authority: CN
Inventors: 汤才富; 肖振华; 陆昆
Original assignee: Anhui Xinbang New Material Co ltd
Current assignee: Anhui Xinbang New Material Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-19
Anticipated expiration: 2033-09-08

Abstract

The utility model relates to the technical field of production of calcium carbonate master batches, and discloses a screening mechanism for production of calcium carbonate master batches, which comprises the following components: screening box, screening box's top fixed mounting has the feeder hopper, and the bottom of feeder hopper and screening box's top intercommunication, the inside of feeder hopper is provided with conveying assembly. When the master batch is poured into the screening box through the feeding hopper of the screening box, the output end of the servo motor drives the rotating blades on the rotating shaft to slowly rotate, so that the master batch stored in the feeding hopper uniformly and stably falls on the surface of the screening plate, uneven and untimely feeding caused by accumulation of the master batch at the discharging opening is avoided, the screening operation of a subsequent screening mechanism is influenced, and meanwhile, the condition that the master batch blocks the discharging opening at the bottom of the feeding hopper is avoided by the wall.

Description

Screening mechanism for calcium carbonate master batch production

Technical Field

The utility model relates to the technical field of production of calcium carbonate master batches, in particular to a screening mechanism for production of calcium carbonate master batches.

Background

The calcium carbonate master batch is also called as calcium carbonate filling master batch, so that the performance of plastic products can be improved, the product cost is reduced, the production efficiency is improved, meanwhile, the rigidity of the products is increased, the weight of the products is increased, and the contractility of the products and the deformation caused by contraction are reduced; the calcium carbonate master batch needs to be used in a screening mechanism in the production and processing process.

When the existing partial screening mechanism is used for feeding materials into equipment, the master batch is fed under the action of self gravity, so that the master batch is easily accumulated at a feed opening to cause uneven and untimely feeding, and the screening mechanism is difficult to efficiently finish screening operation; secondly, the masterbatch directly gets into the back through the feed opening and piles up on the screening board, and when the screening of accumulational masterbatch, further influence screening efficiency. Therefore, the utility model designs a screening mechanism for producing calcium carbonate master batches, which aims to solve the problems in the prior art.

Disclosure of utility model

The utility model aims to provide a screening mechanism for calcium carbonate master batch production, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a screening mechanism for calcium carbonate masterbatch production, comprising: the screening box body is fixedly provided with a feeding hopper at the top, the bottom of the feeding hopper is communicated with the top of the screening box body, and a conveying assembly is arranged in the feeding hopper;

The screening box comprises a screening box body, and is characterized in that a through groove is formed in one side of the interior of the screening box body, a fixed block is fixedly connected to the other side of the interior of the screening box body, a screening plate is hinged to one end of the fixed block, one end of the screening plate extends out of the screening box body through the through groove, a reciprocating screw rod is rotatably arranged in the screening box body, one end of the reciprocating screw rod extends out of the screening box body, a sweeping plate is arranged on the surface thread of the reciprocating screw rod, the bottom of the sweeping plate is arranged on the surface of the screening plate, a cam is fixedly connected to one end of the reciprocating screw rod, and a transmission assembly is arranged between one end of the reciprocating screw rod and one end of a conveying assembly;

One side of screening box is provided with the collecting box, and the collecting box is located the below of screening board one end, one side of screening box inside is provided with the roof pressure subassembly, and the laminating of roof pressure subassembly is in the bottom of screening board.

Preferably, the conveying assembly includes: servo motor and axis of rotation, servo motor installs in one side at screening box top, axis of rotation horizontal direction rotates the inside of installing at the feeder hopper, the outside at the feeder hopper is extended at the both ends of axis of rotation, the one end and the output fixed connection of servo motor of axis of rotation, six rotating vane of circumference equidistance fixedly connected with are followed on the surface of axis of rotation, and rotating vane is located the inside lower extreme of feeder hopper, the surface at the other end of axis of rotation is installed to drive assembly's one end.

Preferably, bearings are arranged at two ends of the reciprocating screw rod, an inner ring of each bearing is fixedly connected with the surface of the reciprocating screw rod, and an outer ring of each bearing is fixedly connected with the inside of the screening box body.

Preferably, the transmission assembly includes: the belt conveyor comprises a driving belt pulley and a driven belt pulley, wherein the driving belt pulley is fixedly arranged on the surface of one end of the conveying assembly, the driven belt pulley is fixedly arranged on the surface of one end of the reciprocating screw rod, and a belt is arranged between the surface of the driving belt pulley and the surface of the driven belt pulley.

Preferably, the jacking assembly includes: the screening box comprises a screening box body, a locating block, a movable rod, a limiting ring, a reset spring and a reset spring, wherein the locating block is fixedly connected to one side of the inside of the screening box body, the movable rod is movably inserted into the locating block, the limiting ring is fixedly connected to the middle of the movable rod, the reset spring is sleeved on the surface of the movable rod, one end of the reset spring is fixedly connected to the surface of the bottom of the limiting ring, and the other end of the reset spring is fixedly connected to the surface of the top of the locating block.

Preferably, the top of the movable rod is set to be an arc surface, and the arc surface at the top of the movable rod is attached to the bottom of the screening plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, through the arrangement of the components such as the screening box body, the feeding hopper, the conveying component and the like, when the master batch is poured in through the feeding hopper of the screening box body, the output end of the servo motor drives the rotating blades on the rotating shaft to slowly rotate, so that the master batch stored in the feeding hopper uniformly and stably falls on the surface of the screening plate, uneven and untimely feeding caused by accumulation of the master batch at the discharging opening is avoided, the screening operation of a subsequent screening mechanism is influenced, and meanwhile, the condition that the discharging opening at the bottom of the feeding hopper is blocked by the master batch is avoided;

2. According to the utility model, through the arrangement of the reciprocating screw rod, the sweeping plate, the transmission component and other components, the driving belt pulley, the driven belt pulley and the belt are used for transmission while the servo motor drives the rotating shaft to rotate, so that the sweeping plate which is arranged on the surface of the reciprocating screw rod in a threaded way can be used for flattening master batches piled on the surface of the screening plate.

Drawings

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

Fig. 3 is a schematic left view showing a partial structure of the rotary shaft and the rotary blade of the present utility model.

In the figure: 1. screening a box body; 2. a feed hopper; 3. a transport assembly; 301. a servo motor; 302. a rotating shaft; 303. rotating the blades; 4. a fixed block; 5. a screening plate; 6. a through groove; 7. a reciprocating screw rod; 701. a brushing plate; 8. a cam; 9. a transmission assembly; 901. a driving pulley; 902. a driven pulley; 903. a belt; 10. a collection box; 11. a jacking assembly; 1101. a positioning block; 1102. a movable rod; 1103. a limiting ring; 1104. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of the present utility model is provided: a screening mechanism for calcium carbonate masterbatch production, comprising: screening box 1, screening box 1's top fixed mounting has feeder hopper 2, screening box 1's inside bottom surface is established to the concave surface, and screening box 1's bottom feed opening is located the low of concave surface to be convenient for empty the inside material of screening box 1, and the bottom of feeder hopper 2 communicates with screening box 1's top, and feeder hopper 2's bottom is the discharge gate, communicates with screening box 1's top, and feeder hopper 2's inside is provided with conveying assembly 3; through the arrangement of the conveying component 3, the master batch stored in the feed hopper 2 is slowly stirred, so that the master batch steadily drops at uniform speed, and meanwhile, the blockage of a discharge hole at the bottom of the feed hopper 2 caused by accumulation of the stored master batch is avoided;

The inside one side of screening box 1 has offered logical groove 6, the inside opposite side fixedly connected with fixed block 4 of screening box 1, and the one end of fixed block 4 articulates and installs screening board 5, screening board 5 slope sets up in the inside of screening box 1, be convenient for carry the masterbatch after the screening, screening board 5's one end extends in the outside of screening box 1 through logical groove 6, reciprocating screw 7 is installed in the inside rotation of screening box 1, and reciprocating screw 7's one end extends in screening box 1's outside, reciprocating screw 7's surface screw thread installs sweeping board 701, and sweeping board 701's bottom sets up at screening board 5's surface, reciprocating screw 7's surface fixedly connected with cam 8, be provided with drive assembly 9 between reciprocating screw 7's one end and conveying assembly 3's one end; the output end of the servo motor 301 drives the rotating shaft 302 to rotate, and meanwhile, the transmission effect is realized through the arrangement of the transmission component 9, so that the reciprocating screw rod 7 rotates, and the brush plate 701 which is arranged on the surface of the reciprocating screw rod 7 in a threaded manner spreads the master batch accumulated on the surface of the screening plate 5, thereby improving the screening efficiency;

One side of screening box 1 is provided with collecting box 10, and collecting box 10 is located the below of screening board 5 one end, and one side of screening box 1 inside is provided with roof pressure subassembly 11, and the top laminating of roof pressure subassembly 11 is in the bottom of screening board 5. Through the cooperation setting of roof pressure subassembly 11 and cam 8, make the one end of screening board 5 swing from top to bottom for screening board 5 surface's masterbatch produces the shake and filters, and convenient screening back qualified masterbatch is carried to the inside of collecting box 10.

Referring to fig. 1, in this embodiment: the conveying assembly 3 includes: the servo motor 301 and the axis of rotation 302, servo motor 301 installs in the one side at screening box 1 top, and axis of rotation 302 horizontal direction rotates the inside of installing at feeder hopper 2, and the both ends of axis of rotation 302 extend in the outside of feeder hopper 2, and the one end and the output fixed connection of servo motor 301 of axis of rotation 302, the surface of axis of rotation 302 follow circumference equidistance fixedly connected with six rotary vane 303, and rotary vane 303 is located the inside lower extreme of feeder hopper 2, and the surface at the other end of axis of rotation 302 is installed to one end of drive assembly 9. When pouring the calcium carbonate master batch into through feeder hopper 2 and screening, drive the rotating vane 303 on axis of rotation 302 surface through servo motor 301's output and slowly rotate, make rotating vane 303 carry out slow vertical direction stirring with the inside masterbatch of feeder hopper 2 for the masterbatch can evenly quick stable surface that falls on screening plate 5, pile up on screening plate 5 surface after avoiding pouring the masterbatch directly to get into through the bottom of feeder hopper 2, influence screening efficiency, can avoid the masterbatch to exist the condition of blocking the discharge gate of feeder hopper 2 bottom simultaneously.

Referring to fig. 1, in this embodiment: bearings are arranged at two ends of the reciprocating screw rod 7, an inner ring of each bearing is fixedly connected with the surface of the reciprocating screw rod 7, and an outer ring of each bearing is fixedly connected with the inside of the screening box body 1. By the arrangement of the bearings, the rotation stability of the reciprocating screw rod 7 is improved.

Referring to fig. 1, in this embodiment: the transmission assembly 9 includes: a driving pulley 901 and a driven pulley 902, the driving pulley 901 is fixedly installed on the surface of one end of the conveying assembly 3, the driving pulley 901 is fixedly installed on the surface of the other end of the rotating shaft 302, the driven pulley 902 is fixedly installed on the surface of one end of the reciprocating screw rod 7, and a belt 903 is installed between the surface of the driving pulley 901 and the surface of the driven pulley 902. When the output end of the servo motor 301 drives the rotating shaft 302 to rotate, the driving pulley 901 fixedly mounted at the other end of the rotating shaft 302 drives the driven pulley 902 fixedly mounted at one end of the reciprocating screw rod 7 to rotate through the belt 903, so that the brush sweeping plate 701 mounted on the surface of the reciprocating screw rod 7 can spread the master batch accumulated on the surface of the screening plate 5, the master batch which does not accord with the size can rapidly pass through the filter screen, and the screening efficiency is improved.

Referring to fig. 1-2, in this embodiment: the pressing assembly 11 includes: the positioning block 1101, one side of the inside of the screening box 1 of positioning block 1101 fixed connection, the inside activity of positioning block 1101 is interluded there is movable rod 1102, and the middle part fixedly connected with spacing ring 1103 of movable rod 1102, the surface cover of movable rod 1102 is equipped with reset spring 1104, and the one end fixed connection of reset spring 1104 is in the surface of spacing ring 1103 bottom, the other end fixed connection at the surface at positioning block 1101 top of reset spring 1104. When the reciprocating screw rod 7 rotates, the convex surface of the cam 8 on the surface of the reciprocating screw rod 7 indirectly supports and presses the top of one end of the screening plate 5, so that one end of the screening plate 5 which is hinged is deflected downwards, and when the convex surface of the cam 8 does not support and press the surface of the screening plate 5, the reset spring 1104 is elastically reset after being stressed, the limiting ring 1103 in the middle of the movable rod 1102 is pushed to move upwards, the top of the limiting ring 1103 is pushed to deflect upwards, the bottom of one end of the screening plate 5 is pushed to deflect upwards, and under the reciprocating cycle up-and-down swing of the screening plate 5, master batches on the surface of the screening plate 5 are vibrated, and the master batches conforming to the size are conveyed to the inside of the collecting box 10 through the shaking through the through groove 6 for collection.

Referring to fig. 1-2, in this embodiment: the top of the movable rod 1102 is set to be an arc surface, and the arc surface at the top of the movable rod 1102 is attached to the bottom of the screening plate 5. Through the arrangement of the cambered surface at the top of the movable rod 1102, the contact area between the top of the movable rod 1102 and the bottom of the screening plate 5 is reduced, so that interference is avoided when the movable rod 1102 pushes the deflected screening plate 5 to move upwards.

Working principle: the method comprises the steps of switching on a power supply, pouring calcium carbonate master batch to be screened through a feed hopper 2, starting a servo motor 301, driving a rotary blade 303 on the surface of a rotary shaft 302 through the output end of the servo motor 301 to slowly rotate, enabling the rotary blade 303 to stir master batch inside the feed hopper 2 in the slow vertical direction, enabling the master batch to stably fall on the surface of a screening plate 5 at uniform speed, driving a rotary shaft 302 to rotate through the output end of the servo motor 301, driving a driven pulley 902 fixedly arranged at the other end of the rotary shaft 302 to rotate through a belt 903, enabling a brush plate 701 fixedly arranged on the surface of the reciprocating screw rod 7 to flatly spread the master batch piled up on the surface of the screening plate 5, enabling the top of a cam 8 fixedly connected with the surface of the reciprocating screw rod 7 to abut against the top of one end of the screening plate 5, enabling one end of the hinged screening plate 5 to deflect downwards, enabling a limit ring 1103 to move upwards after being stressed by a reset spring 1104, enabling the top of the limit ring 1103 to push the bottom of one end of the screening plate 5 to deflect upwards, enabling the master batch to swing downwards through the cam 8 to abut against the surface of the screening plate 5, and enabling the master batch to swing downwards through the surface of the vibration collecting box 10 to be in line with the vibration of the surface of the screening plate 5. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A screening mechanism for calcium carbonate masterbatch production, comprising: screening box (1), its characterized in that: the top of the screening box body (1) is fixedly provided with a feed hopper (2), the bottom of the feed hopper (2) is communicated with the top of the screening box body (1), and a conveying assembly (3) is arranged in the feed hopper (2);

The novel screening device comprises a screening box body (1), and is characterized in that a through groove (6) is formed in one side of the interior of the screening box body (1), a fixed block (4) is fixedly connected to the other side of the interior of the screening box body (1), a screening plate (5) is hinged to one end of the fixed block (4), one end of the screening plate (5) extends outside the screening box body (1) through the through groove (6), a reciprocating screw rod (7) is rotatably arranged in the interior of the screening box body (1), one end of the reciprocating screw rod (7) extends outside the screening box body (1), a brushing plate (701) is arranged on the surface of the reciprocating screw rod (7) in a threaded manner, the bottom of the brushing plate (701) is arranged on the surface of the screening plate (5), a cam (8) is fixedly connected to one end of the reciprocating screw rod (7), and a transmission assembly (9) is arranged between one end of the reciprocating screw rod (7) and one end of a conveying assembly (3);

One side of screening box (1) is provided with collecting box (10), and collecting box (10) are located the below of screening board (5) one end, one side of screening box (1) inside is provided with roof pressure subassembly (11), and the top laminating of roof pressure subassembly (11) is in the bottom of screening board (5).

2. The screening mechanism for calcium carbonate masterbatch production according to claim 1, wherein: the transport assembly (3) comprises: servo motor (301) and axis of rotation (302), one side at screening box (1) top is installed to servo motor (301), the inside at feeder hopper (2) is installed in axis of rotation (302) horizontal direction rotation, the outside at feeder hopper (2) is extended at the both ends of axis of rotation (302), the one end and the output fixed connection of servo motor (301) of axis of rotation (302), six rotating vane (303) of surface along circumference equidistance fixedly connected with of axis of rotation (302), and rotating vane (303) are located the inside lower extreme of feeder hopper (2), the surface at the other end of axis of rotation (302) is installed to one end of drive assembly (9).

3. The screening mechanism for calcium carbonate masterbatch production according to claim 1, wherein: the two ends of the reciprocating screw rod (7) are respectively provided with a bearing, the inner ring of the bearing is fixedly connected with the surface of the reciprocating screw rod (7), and the outer ring of the bearing is fixedly connected with the inside of the screening box body (1).

4. The screening mechanism for calcium carbonate masterbatch production according to claim 1, wherein: the transmission assembly (9) comprises: the driving belt pulley (901) and the driven belt pulley (902), the driving belt pulley (901) is fixedly arranged on the surface of one end of the conveying assembly (3), the driven belt pulley (902) is fixedly arranged on the surface of one end of the reciprocating screw rod (7), and a belt (903) is arranged between the surface of the driving belt pulley (901) and the surface of the driven belt pulley (902).

5. The screening mechanism for calcium carbonate masterbatch production according to claim 1, wherein: the pressing assembly (11) comprises: the screening device comprises a positioning block (1101), wherein the positioning block (1101) is fixedly connected to one side of the inside of a screening box body (1), a movable rod (1102) is movably inserted in the positioning block (1101), a limiting ring (1103) is fixedly connected to the middle of the movable rod (1102), a reset spring (1104) is sleeved on the surface of the movable rod (1102), one end of the reset spring (1104) is fixedly connected to the surface of the bottom of the limiting ring (1103), and the other end of the reset spring (1104) is fixedly connected to the surface of the top of the positioning block (1101).

6. The screening mechanism for calcium carbonate master batch production according to claim 5, wherein: the top of movable rod (1102) is set up to the cambered surface, the cambered surface at movable rod (1102) top laminating is in the bottom of screening board (5).