WO2020114162A1

WO2020114162A1 - Granulation device, hollow rollers for granulator, granule forming apparatus, discharging apparatus and anti-leakage molding apparatus

Info

Publication number: WO2020114162A1
Application number: PCT/CN2019/114775
Authority: WO
Inventors: 匡苍豪; 张春晓; 李宁波; 冯慧; 沈忠亮; 严冬冬; 朱生伟
Original assignee: 江苏三一环境科技有限公司
Priority date: 2018-12-06
Filing date: 2019-10-31
Publication date: 2020-06-11

Abstract

The present application relates to the technical field of material processing, and provided thereby is a granulation device. The granulation device comprises a first roller and a second roller arranged in parallel. First convex teeth are provided on the first roller, and second convex teeth are provided on the second roller. The first convex teeth and the second convex teeth are arranged alternately along the axial direction of the first roller. The first roller is hollow, a first pressing hole is provided on the first roller at a location opposite to the second convex teeth, and the first pressing hole is in communication with the hollow portion of the first roller, and/or the second roller is hollow, a second pressing hole is provided on the second roller at a location opposite to the first convex teeth, and the second pressing hole is in communication with the hollow portion of the second roller. The first convex teeth and the second convex teeth are used for cutting a material entering between the first roller and the second roller when the first roller and the second roller rotate in opposite directions. The present application alleviates the technical problem existing in the prior art in which the granulation of an existing biomass granulator may only process shredded biomass into granules, resulting in a cumbersome granulation process and low production efficiency.

Description

Granulation equipment, hollow roller for pellet machine, pellet shaping device, discharging device and anti-leakage shaping device

Cross-reference of related applications

This application requires the priority of the Chinese patent application with the application number 201910587022.5 and the name "granulation equipment" submitted to the Chinese Patent Office on July 01, 2019; the application number of the Chinese Patent Office is required to be submitted on December 06, 2018 The priority of the Chinese patent application for 201822045176.5, titled "Hollow Roller, Pelletizing Device and Granulator for Pelletizers"; requesting the application number 201910560471.0 with the name of The priority of the Chinese patent application for "a discharge device and pellet machine"; the application number required to be submitted to the Chinese Patent Office on June 26, 2019 is 201910564272.7, and the name is "a leak-proof molding device and pellet machine" The priority of the Chinese patent application; its entire content is incorporated by reference in this application.

Technical field

The present application relates to the technical field of material processing, in particular to a granulation equipment, a hollow roller used for a granulator, a granule forming device, a discharge device, and a leak-proof molding device.

Background technique

Biomass pellet machine is a kind of biomass energy pretreatment equipment. Biomass pellet machine can pretreat and process the biomass of agricultural and forestry processing waste such as straw, rice husk, bark, etc., and solidify it into high density Particulate fuel.

An existing biomass pellet machine includes a ring die, a pressing roller, a second motor, and a post. A number of extrusion holes are provided on the side of the ring die. A number of pressing rollers are provided in the ring die. The pressing roller is connected to the second motor , And the upright is placed near the ring die. The granulation process of the biomass pellets is as follows: the second motor drives multiple pressing rollers to rotate simultaneously, the rotating multiple pressing rollers simultaneously squeeze the shredded biomass, and the squeezed biomass is extruded from the ring die The holes are extruded and hit the upright post, and under the action of the upright post, the biomass is broken into particles.

However, the above biomass pellet machine's requirement for incoming materials is shredded biomass with a moisture content of not more than 15%. When using the above biomass pellet machine, the biomass needs to be shredded in advance, so the above biomass pellet machine is used The granulation process of biomass is cumbersome and the production efficiency is low.

Application content

The present application provides a granulation equipment, which can alleviate the existing biomass granulation mechanism existing in the prior art. The granules can only process the shredded biomass into granules, resulting in cumbersome granulation process and low production efficiency. At least one of the technical issues.

The granulation equipment provided by the present application includes a first roller and a second roller arranged in parallel, and the first roller and the second roller can be rotated in reverse;

The first roller is provided with first convex teeth, and the second roller is provided with second convex teeth. The first convex teeth and the second convex teeth are alternately arranged along the axial direction of the first roller;

The first roller is hollow, and the first roller is provided with a first squeeze hole at a position opposite to the second convex tooth, and the first squeeze hole communicates with the hollow of the first roller; and/or, the second roller is hollow, the first A second squeeze hole is provided on the second roller at a position opposite to the first convex tooth, and the second squeeze hole communicates with the hollow of the second roller;

The first protruding teeth and the second protruding teeth are configured to shear the material entering between the first roller and the second roller when the first roller and the second roller rotate in reverse.

Optionally, along the axial direction of the first roller, a plurality of groups of first convex teeth are arranged on the first roller at intervals, each group of first convex teeth includes a plurality of first convex teeth, any of the first convex teeth in any group A plurality of first convex teeth are sequentially arranged on the first roller along the circumferential direction of the first roller;

At the interval between the adjacent two sets of first protruding teeth, a set of first extrusion holes is provided, each set of first extrusion holes includes a plurality of first extrusion holes, any of the first extrusion holes A plurality of first pressing holes are sequentially arranged on the first roller along the circumferential direction of the first roller;

Along the axial direction of the second roller, the second roller is provided with a plurality of groups of second convex teeth, each group of second convex teeth includes a plurality of second convex teeth, and a plurality of second convex teeth in any group of second convex teeth The teeth are sequentially arranged on the second roller along the circumferential direction of the second roller;

A set of second extrusion holes is provided at the interval between the adjacent two sets of second protruding teeth. Each set of second extrusion holes includes a plurality of second extrusion holes. A plurality of second pressing holes are sequentially provided on the second roller along the circumferential direction of the second roller.

Optionally, both the first extrusion hole and the second extrusion hole are stepped holes, and the caliber of the feeding end of the stepped hole is larger than the caliber of the discharge end.

Optionally, there is a gap between the tip of the first convex tooth and the side wall of the second roller, and there is a gap between the tip of the second convex tooth and the side wall of the second roller.

Optionally, the granulation device further includes a circulating conveying mechanism configured to send the material dropped between the first roller and the second roller back to the first roller or the second roller.

Optionally, there are two circulating conveying mechanisms, one of which is the first circulating conveying mechanism, and the other circulating conveying mechanism is the second circulating conveying mechanism;

The first circulating conveyor mechanism includes a first roller and a first conveyor belt, the first roller is fixed in position, the first conveyor belt is installed on the first roller, and the first conveyor belt is attached to the side of the first roller facing away from the second roller;

The second circulating conveying mechanism includes a second roller and a second conveyor belt. The second roller is fixed in position, the second conveyor belt is mounted on the second roller, and the second conveyor belt is attached to the side of the second roller facing away from the first roller.

Optionally, the circulating conveying mechanism further includes a diverter, the diverter is disposed between the first roller and the second roller, and the diverter is located below the position where the first roller and the second roller cooperate to extrude the material;

The flow dividing member includes two inclined surfaces butted at the top, wherein the bottom edge of one inclined surface is located above the first conveyor belt, and the bottom edge of the other inclined surface is located above the second conveyor belt.

Optionally, there is a gap between the bottom of one of the inclined surfaces of the diverter and the first conveyor belt, and a gap between the bottom of the other inclined surface of the diverter and the second conveyor belt.

Optionally, the granulation equipment further includes a waste conveying mechanism. The waste conveying mechanism includes a feed port and a discharge port. The feed port of the waste conveying mechanism is located below the first circulating conveying mechanism and the second circulating conveying mechanism. The waste conveying mechanism It is configured to convey the materials dropped from the first circulating conveying mechanism and the second circulating conveying mechanism to the outside of the granulation equipment.

Optionally, the granulation equipment further includes a discharging mechanism, the discharging mechanism includes a feeding port and a discharging port, the hollow portion of the first roller and the hollow portion of the second roller are respectively connected to the feeding port of the discharging mechanism, The feeding mechanism is configured to convey the material in the first roller and the material in the second roller to the outlet of the discharging mechanism.

Optionally, the discharge mechanism includes a first conveying member, a second conveying member, a first barrel and a second barrel;

Both the first conveying member and the second conveying member include a feed end and a discharge end, the feed end of the first conveying member is installed inside the first roller, and the feed end of the second conveying member is installed inside the second roller ;

The first cylinder is installed inside the first roller, the feed end of the first conveying member is installed inside the first cylinder and below the inlet of the first cylinder, the first extrusion hole and the inlet of the first cylinder Connected

The second cylinder is installed inside the second roller, the feed end of the second conveying member is installed inside the second cylinder and below the inlet of the second cylinder, the second extrusion hole and the inlet of the second cylinder Connected.

Optionally, both the inlet of the first cylinder and the inlet of the second cylinder are equipped with a material interruption member, and the material interruption member at the inlet of the first cylinder is configured to interrupt the material passing through the first extrusion hole The material breaking member at the inlet of the second material barrel is configured to interrupt the material passing through the second extrusion hole.

Optionally, the granulation equipment further includes a screening mechanism, which is connected to the discharge port of the discharge mechanism, and the screening mechanism is configured to screen the materials exiting the discharge port of the discharge mechanism into qualified products and unqualified products Goods.

Optionally, the screening mechanism includes a discharge pipe, a return pipe and a sieve plate;

Both the discharge pipe and the return pipe include an inlet and an outlet. The inlet of the discharge pipe communicates with the discharge port of the discharge mechanism;

The body of the discharge pipe is provided with a screening opening, and the height of the screening opening is not higher than the height of the feeding opening of the discharging mechanism;

The inlet of the return pipe is connected with the sieve opening, the sieve plate is provided with a mesh-shaped sieve hole, and the sieve plate cover is closed on the sieve opening.

Optionally, the granulation equipment further includes a second motor, a first gear, and a second gear;

The output shaft of the second motor is connected to the second gear, and the second gear is connected to one end of the second roller;

The second gear meshes with the first gear, and the first gear is connected to one end of the first roller.

The granulation equipment provided by this application can produce the following beneficial effects:

The granulation equipment provided by the present application includes a first roller and a second roller arranged in parallel, and the first roller and the second roller can rotate in the reverse direction. The first roller is provided with first convex teeth, and the second roller is provided with second convex teeth. The first convex teeth and the second convex teeth are alternately arranged along the axial direction of the first roller. The first roller is hollow, and a first squeeze hole is provided at a position on the first roller opposite to the second convex tooth, and the first squeeze hole communicates with the hollow of the first roller. The second roller may be solid or hollow. When the second roller is hollow, the second roller is provided with a second extrusion hole at a position opposite to the first convex tooth. The second extrusion hole and the second The hollow of the roller communicates. When using the granulation equipment provided by the present application to process materials into granules, strip-shaped materials such as straw and bark, and granular materials such as rice husks, etc. can be placed above the first roller and the second roller. After the roller and the second roller rotate reversely, the material can be wound between the first roller and the second roller. At this time, the first protruding teeth close to the second roller and the second protruding teeth close to the first roller have overlapping parts in the radial direction of the first roller. The material entering between the first roller and the second roller is sheared. At the same time, the first roller and the second roller can squeeze the material, and the second convex tooth will squeeze the material to the first squeeze hole, and allow the material to pass through the first squeeze hole and enter the hollow space of the first roller. During the extrusion process, the material constantly rubs against the first extrusion hole to generate heat, which can not only dry the material, but also bond the sheared material together. At this time, the material is strip-shaped under the dual action of heating and extrusion, and the strip-shaped material hits the side wall of the first roller or collides with the rest of the strip-shaped material and is broken into particles. Alternatively, a column may be provided inside the first roller, and after the strip-shaped material hits the column, it may be broken into particles. When the second squeeze hole is provided on the second roller, the material can also be squeezed by the first convex tooth until it passes through the second squeeze hole and enters the second roller, as well as the strip material entering the first roller, The strip material entering the inside of the second roller can also be broken into particles.

This application utilizes the bite between the first convex tooth on the first roller and the second convex tooth on the second roller to shear the material. Compared with the existing biomass pellet machine, the granulation equipment in this application The unshredded materials can be directly shredded and processed into granules. There is no need to use shredders and other equipment to shred the materials before granulation. In this application, the materials are shredded and granulated on the same equipment The production efficiency of the granulation process is improved.

The present application provides a hollow roller for a pellet machine. The hollow roller includes a hollow roller body, and a feed forming hole is formed on the hollow roller body. The feed forming hole includes connected The connecting hole and the expanding hole are arranged upstream of the connecting hole along the feeding direction, and the expanding hole is a long hole.

Optionally, the hollow roller body includes a cylinder body having a hollow cavity, and bosses and grooves are alternately arranged on the cylinder body, and each of the bosses is provided with a convex tooth, each of which A tooth groove is formed between adjacent protruding teeth on the boss, and the enlarged hole is provided at the bottom of the groove, and the enlarged hole communicates with the hollow cavity through the connecting hole.

The present application provides a pellet forming device, which includes two hollow rollers for a pelletizer that mesh with each other, and the two hollow roller bodies rotate synchronously and in opposite directions.

The present application provides a discharge device, which is suitable for a pellet machine. The pellet machine includes a machine body, and the machine body is provided with a material inlet and a material outlet. The characteristic is that the material outlet includes:

A casing configured to be connected to the body, the casing is provided with a first channel and a second channel, one end of the first channel is configured to communicate with the discharge port, and the other end of the first channel Configured to communicate with the external environment, one end of the second channel communicates with the first channel through the channel wall of the first channel, and the other end of the second channel is configured to communicate with the feed inlet;

A baffle connected to the housing, the baffle is provided on a channel wall of the first channel, and is located at a communication place between the first channel and the second channel, and the baffle is provided with Multiple screen holes;

The separator is configured to allow a part of the material to output through the first channel after the material enters the first channel from the discharge port, and another part of the material to pass through the first channel through the sieve Two channels, and enter the feed inlet.

Optionally, the first channel includes a first channel segment and a second channel segment communicating with each other, and an end of the first channel segment away from the second channel segment is configured to communicate with the discharge port, the The end of the second channel section away from the first channel section is configured to communicate with the external environment, and the partition plate is disposed on the channel wall of the first channel section;

The conveying direction of the second passage section is inclined downward relative to the conveying direction of the first passage section.

The present application provides a leak-proof material forming device, which includes a frame, a leak-proof hopper, a first die roller, a second die roller, a blanking diverter, a first baffle, a second baffle, and a first pulley mechanism And a second pulley mechanism, the first die roller and the second die roller are respectively disposed on the frame, the first die roller and the second die roller cooperate with each other to form a feed end and a drop At the material end, the leak-proof hopper is provided on the frame, and its discharge port is opposite to the feed end. The first baffle is installed at both ends of the first mold roll. The second baffle is installed at both ends of the second mold roll, and the first baffle cooperates with the second baffle to connect the first mold roll and the second mold roll The two ends of the gap are blocked, the first pulley mechanism is provided on the frame, its belt is against the outer edge of the first die roller, and is configured to hold materials, and the second pulley mechanism is provided On the frame, the belt is held against the outer edge of the second die roller, and is configured to clamp the material. The blanking splitter is provided at the blanking end and is configured to guide the blanking. The materials output from the ends enter between the belt of the first pulley mechanism and the first mold roller and between the belt of the second pulley mechanism and the second mold roller, respectively.

Optionally, the first baffle plate includes a first main board and a first sub-board that are both circular, one side of the first main board is connected to the first mold roller, and the first main board is away from the One side of the first mold roll is connected to the first sub-plate, the radius of the first sub-plate is larger than the radius of the first main plate and the first mold roll, the first mold roll, the first A main board and the first sub-board are arranged coaxially.

Optionally, the second baffle plate includes a second main board and a second sub-board that are both circular, one side of the second main board is connected to the second mold roller, and the second main board is away from the second One side of the second mold roll is connected to the second sub-plate, the radius of the second main plate is larger than the radius of the second sub-plate and the second mold roll, the second mold roll, the first The second main board and the second sub board are arranged coaxially, the peripheral edge of the second main board is in contact with the peripheral edge of the first main board, and the peripheral edge of the second sub board is in contact with the peripheral edge of the first sub board. The side of the second main board close to the second sub board is in contact with the side of the first sub board close to the first main board.

BRIEF DESCRIPTION

In order to more clearly explain the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for the specific embodiments or the description of the prior art. Obviously, the appended The drawings are some embodiments of the present application. For those of ordinary skill in the art, without paying any creative labor, other drawings can also be obtained based on these drawings.

1 is a schematic structural diagram of a granulation device provided by an embodiment of the present application;

2 is a cross-sectional view taken along line A-A in FIG. 1;

Figure 3 is a sectional view taken along line B-B in Figure 1;

4 is a schematic structural view of the first roller and the second roller in FIG. 3;

5 is a plan view of the first roller and the second roller in FIG. 4;

6 is a cross-sectional view taken along line C-C in FIG. 4;

7 is a schematic diagram of the structure of the first extrusion hole and the second convex tooth in FIG. 4;

8 is a schematic structural diagram of the first tensioning assembly in FIG. 3;

9 is a cross-sectional view of D-D in FIG. 8;

10 is a schematic structural view of the receiving hopper in FIG. 3;

11 is a schematic structural view of the spiral shaft in FIG. 3;

12 is a schematic structural diagram of the discharge mechanism in FIG. 2;

13 is a top view of the discharge mechanism in FIG. 12;

14 is a schematic structural view of the screening mechanism in FIG. 2;

15 is a schematic diagram of a hollow roller for a pellet machine provided by the present application.

16 is a half cross-sectional schematic diagram of a hollow roller for a pellet machine provided by the present application.

Fig. 17 is a cross-sectional view taken along line A-A of Fig. 2.

FIG. 18 is another schematic diagram of a hollow roller for a pellet machine provided by this application.

FIG. 19 is a partially enlarged view at B in FIG. 18.

FIG. 20 is a schematic diagram of a particle shaping device provided by the present application.

21 is a schematic structural diagram of a pellet machine provided by an embodiment of the present application;

22 is a schematic structural diagram of a discharge device provided by an embodiment of the present application;

23 is a schematic structural diagram of a separator provided by an embodiment of the present application.

24 is a schematic structural diagram of a leak-proof molding device provided by an embodiment of the present application;

25 is a schematic structural view of the leak-proof hopper in FIG. 24;

FIG. 26 is a schematic structural view of the blanking diverter in FIG. 24;

FIG. 27 is a schematic diagram of the connection structure of the first baffle, the second baffle, the first mold roller and the second mold roller in FIG. 24.

Pictograms: 1-first roller; 10-first convex tooth; 11-first extrusion hole; 2-second roller; 20-second convex tooth; 21-second extrusion hole; 3-first circulation conveyance Mechanism; 30-first roller; 31-first conveyor belt; 32-first tensioning assembly; 320-first support; 321-first slider; 322-first top plate; 323-first pressure plate; 324- First adjusting screw; 325-first adjusting nut; 4-second circulation conveying mechanism; 40-second roller; 41-second conveyor belt; 42-second tensioning assembly; 5-diverting member; 6-waste conveying mechanism 60-spiral shaft; 61-receiving pipe; 62-receiving hopper; 7-discharging mechanism; 70-first conveying part; 71-second conveying part; 72-first barrel; 73-second barrel ; 74- broken parts; 8- screening mechanism; 80- discharge pipe; 81- return pipe; 82- sieve plate; 9- second motor; 90- first gear; 91- second gear; 92- Cabinet; 93-frame; 94-feed hopper; 201-hollow roller body; 208-feed forming hole; 209-connecting hole; 210-reaming; 211-first forming section; 212-second forming Section; 202-hollow cavity; 203-barrel; 204-boss; 205-groove; 206-protruding tooth; 207-tooth groove; 100-discharging device; 103-housing; 101-first channel; 1011 -The first channel section; 1012-The second channel section; 102-The second channel; 011-Separator; 111-Hole group; 1111-First hole group; 1112-Second hole group; 1113-Sieve; 1114- Gap; 112-frame; 113-screen; 12-connecting plate; 200-granulator; 21-body; 211-inlet; 2120-outlet; 300-first direction; 400-second direction; 1001 -Leak-proof forming device; 110-frame; 120-leak-proof hopper; 121-feeding side plate; 130-first die roll; 131-feeding end; 133-feeding end; 140-second die roll ; 150- blanking diverter; 151-first guide plate; 153-second guide plate; 155-first stop plate; 156-first curved surface; 157-second stop plate; 158-second Curved surface; 160-first baffle; 161-first main board; 163-first sub-board; 170-second baffle; 171-second main board; 173-second sub-board; 180-first pulley mechanism; 190-Second pulley mechanism.

detailed description

The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

As shown in FIGS. 1-3, the granulation equipment provided in this embodiment includes a first roller 1 and a second roller 2 arranged in parallel, and the first roller 1 and the second roller 2 can rotate in reverse, as shown in FIGS. 4 and As shown in FIG. 5, the first roller 1 is provided with first convex teeth 10, and the second roller 2 is provided with second convex teeth 20. In the axial direction of the first roller 1, the first convex teeth 10 and the second convex teeth 20 Interlace settings. As shown in FIGS. 4 and 6, the first roller 1 is hollow, and the first roller 1 is provided with a first squeeze hole 11 at a position opposed to the second convex tooth 20. The first squeeze hole 11 and the first roller 1 Connected to the hollow.

The second roller 2 may be solid, or the second roller 2 may be hollow. When the second roller 2 is hollow, as shown in FIG. 4, a second squeeze hole 21 is provided on the second roller 2 at a position opposed to the first convex tooth 10. The second squeeze hole 21 and the second roller 2 Connected to the hollow. As shown in FIG. 7, the first protruding teeth 10 and the second protruding teeth 20 are configured to shear the material entering between the first roller 1 and the second roller 2 when the first roller 1 and the second roller 2 rotate in reverse .

When the granulation equipment provided in this embodiment is used to process the materials into granules, strip-shaped materials such as straw, bark, granular materials such as rice husks, etc. can be placed above the first roller 1 and the second roller 2 As shown in FIG. 7, after the first roller 1 and the second roller 2 rotate reversely, the material can be wound between the first roller 1 and the second roller 2. As shown in FIGS. 4 and 5, at this time, the first protruding teeth 10 close to the second roller 2 and the second protruding teeth 20 close to the first roller 1 have overlapping portions in the radial direction of the first roller 1. A protruding tooth 10 and a second protruding tooth 20 are engaged with each other, and the material wound between the first roller 1 and the second roller 2 can be sheared. At the same time, the first roller 1 and the second roller 2 can squeeze the material, and the second convex tooth 20 will squeeze the material to the first squeeze hole 11 and make the material pass through the first squeeze hole 11 to enter the first The hollow of roller 1. During the extrusion process, the material continuously rubs against the first extrusion hole 11 to generate heat, which not only can dry the material, but also can bond the sheared material together. At this time, the material is strip-shaped under the dual action of heating and extrusion. The strip-shaped material hits the side wall of the first roller 1 or collides with the rest of the strip-shaped material and is broken into particles.

Alternatively, a column may be provided inside the first roller 1, and after the strip-shaped material hits the column, it may be broken into particles. When the second squeeze hole 21 is provided on the second roller 2, the material can also be squeezed by the first protruding teeth 10 until it passes through the second squeeze hole 21 and enters the second roller 2, the same as the first roller 1 The internal strip material and the strip material entering the inside of the second roller 2 can also be broken into particles.

In this embodiment, the bite between the first convex tooth 10 on the first roller 1 and the second convex tooth 20 on the second roller 2 can be used to shear the material. Compared with the existing biomass pellet machine, this embodiment The granulation equipment in the example can directly shred the unshredded materials and process them into granules. There is no need to use shredders and other equipment to shred the materials before granulation. In this embodiment, the materials are shredded and prepared. The granulation process is carried out on the same equipment, which improves the production efficiency of the granulation process.

It can be seen that the granulation equipment provided by the present application alleviates the existing biomass granule mechanism granules existing in the prior art can only process the shredded biomass into granules, resulting in a cumbersome granulation process and low production efficiency Technical issues.

As shown in FIG. 5, along the axial direction of the first roller 1, a plurality of groups of first convex teeth 10 are arranged on the first roller 1 at intervals, and each group of first convex teeth 10 includes a plurality of first convex teeth 10. The plurality of first protruding teeth 10 in the group of first protruding teeth 10 are sequentially arranged on the first roller 1 along the circumferential direction of the first roller 1. Among them, a set of first extrusion holes 11 is provided at the interval between the adjacent two groups of first convex teeth 10, each group of first extrusion holes 11 includes a plurality of first extrusion holes 11, any group A plurality of first pressing holes 11 in one pressing hole 11 are sequentially arranged on the first roller 1 along the circumferential direction of the first roller 1.

As shown in FIG. 5, along the axial direction of the second roller 2, a plurality of sets of second convex teeth 20 are provided on the second roll 2, each set of second convex teeth 20 includes a plurality of second convex teeth 20, any group A plurality of second convex teeth 20 among the second convex teeth 20 are sequentially arranged on the second roller 2 along the circumferential direction of the second roller 2. Among them, a set of second extrusion holes 21 is provided at the interval between two adjacent sets of second convex teeth 20, each set of second extrusion holes 21 includes a plurality of second extrusion holes 21, The plurality of second pressing holes 21 in the second pressing holes 21 are sequentially provided on the second roller 2 along the circumferential direction of the second roller 2.

In practical applications, a group of first convex teeth 10 may be a ring gear, the ring gear is fixed on the first roller 1, and a ring of first squeezing is provided between two adjacent ring gears on the first roller 1孔11. At the same time, a group of second convex teeth 20 can also be a ring gear, the ring gear is fixed on the second roller 2, and a ring of second squeeze holes is provided between two adjacent ring gears on the second roller 2 twenty one.

The ring gear on the first roller 1 is located between two adjacent ring gears on the second roller 2 and the position between the two adjacent second pressing holes 21 is different from the ring gear on the first roller 1 The tip of the first convex tooth 10 is opposite. The ring gear on the second roller 2 is located between two adjacent ring gears on the first roller 1, and the position between the two adjacent first pressing holes 11 is different from the ring gear on the second roller 2. The tip of the second convex tooth 20 is opposite. The first roller 1 and the second roller 2 can rotate synchronously and reversely. After the first roller 1 and the second roller 2 rotate synchronously and reversely, the ring gear on the first roller 1 and the ring gear on the second roller 2 bite each other. The materials falling on the first roller 1 and the second roller 2 can be sheared and ground. Then, the first convex tooth 10 can extrude the sheared and ground material into the second extrusion hole 21, and the material passes through the second extrusion hole 21 into a strip shape. The second convex teeth 20 can squeeze the sheared and ground material into the first extrusion hole 11, and the material passes through the first extrusion hole 11 into a strip shape.

The first protruding teeth 10 and the second protruding teeth 20 can be configured not only to grind materials, but also to shear the materials to improve the working efficiency of the granulation equipment. In addition, compared with the existing smooth roller grinding method, the first protruding teeth 10 and the second protruding teeth 20 can also increase the heat generated to the materials and can dry the materials even if the moisture content of the materials is greater than 15%. The granulation equipment provided in the example can also granulate.

As shown in FIGS. 4-6, the first extrusion hole 11 and the second extrusion hole 21 are both stepped holes, and the caliber of the feed end of the stepped hole is larger than the caliber of the discharge end.

The stepped hole includes two holes with different diameters connected in sequence, the hole corresponding to the feed end of the stepped hole has a larger diameter, and the radial cross-section of the hole may be elliptical. The diameter of the hole corresponding to the discharge end of the stepped hole is small, and the radial cross-section of the hole may be circular. The stepped hole can not only make the material into granules with specified specifications, but also use a larger diameter hole to make the material extrusion process smoother.

There is a gap between the tip of the first convex tooth 10 and the side wall of the second roller 2, and there is a gap between the tip of the second convex tooth 20 and the side wall of the second roller 2.

The gap between the tip of the first convex tooth 10 and the side wall of the second roller 2 and the gap between the tip of the second convex tooth 20 and the side wall of the second roller 2 can prevent the material from clogging in the first roller 1 And the second roller 2 is conducive to the smooth shearing and extrusion process of the material.

As shown in FIG. 3, the granulation equipment provided in this embodiment further includes a circulating conveying mechanism configured to send the material dropped between the first roller 1 and the second roller 2 back to the first roller 1 or The second roller 2.

The circulating conveying mechanism can return the materials that have not been squeezed into the inside of the first roller 1 and the second roller 2, that is, the materials leaked between the first roller 1 and the second roller 2 to the first roller 1 or the second On the roller 2, the part of the material is sheared and ground again into the first roller 1 and the second roller 2. The circulating conveying mechanism can realize the recycling of leaked materials and improve the completion rate of granulation of materials.

As shown in FIG. 3, there are two circulating conveying mechanisms, one of which is the first circulating conveying mechanism 3 and the other circulating conveying mechanism is the second circulating conveying mechanism 4. The first circulating conveyor mechanism 3 includes a first roller 30 and a first conveyor belt 31. The first roller 30 is fixed in position, the first conveyor belt 31 is mounted on the first roller 30, and the first conveyor belt 31 is attached to the back of the first roller 1 One side of the second roller 2. The second circulating conveying mechanism 4 includes a second roller 40 and a second conveyor belt 41, the second roller 40 is fixed in position, the second conveyor belt 41 is mounted on the second roller 40, and the second conveyor belt 41 is attached to the back of the second roller 2 One side of the first roller 1.

In this embodiment, one end of the first conveyor belt 31 may be located below the position between the first roller 1 and the second roller 2, the other end of the first conveyor belt 31 may be higher than the top end of the first roller 1, and the The other end of a conveyor belt 31 is located on the side of the first roller 1 facing away from the second roller 2. One end of the second conveyor belt 41 may also be located below the position between the second roller 2 and the second roller 2, the other end of the second conveyor belt 41 may be higher than the top end of the second roller 2, and the other end of the second conveyor belt 41 One end is located on the side of the second roller 2 facing away from the first roller 1.

The material may fall on the first conveyor belt 31 or the second conveyor belt 41 after falling from between the first roller 1 and the second roller 2, or may fall on the first conveyor belt 31 and the second conveyor belt 41 at the same time. Since the first conveyor belt 31 is attached to the side of the first roller 1 facing away from the second roller 2, the first roller 1 rotates and will use friction to drive the first conveyor belt 31 to rotate on the first roller 30, and at the same time The material falling on the first conveyor belt 31 is conveyed above the first roller 1, and the material is then driven between the first roller 1 and the second roller 2 by the rotation of the first roller 1. Since the second conveyor belt 41 is attached to the side of the second roller 2 facing away from the first roller 1, the second roller 2 rotates and will use friction to drive the second conveyor belt 41 to rotate on the second roller 40, and will The material falling on the second conveyor belt 41 is transferred to the second roller 2, and the material is driven by the rotation of the second roller 2 between the first roller 1 and the second roller 2.

In this embodiment, each of the first roller 30 and the second roller 40 is at least three. As shown in FIG. 3, when there are three first rollers 30, one of the first rollers 30 is located above the first roller 1, the other first roller 30 is located below the first roller 1; the last first roller 30 Located on the side of the first roller 1 facing away from the second roller 2, the last first roller 30 is lower than one of the first rollers 30 and higher than the other first roller 30; the connection line of the three first rollers 30 is triangular .

As shown in FIG. 3, when there are three second rollers 40, one of the second rollers 40 is above the second roller 2 and the other second roller 40 is below the second roller 2; the last second roller 40 Located on the side of the second roller 2 facing away from the first roller 1, the last second roller 40 is lower than one of the second rollers 40 and higher than the other second roller 40; the connection line of the three second rollers 40 is triangular .

The triangular connection of the three second rollers 40 makes the second conveyor belt 41 convey the material above the second roller 2 more stable. The triangular connection of the three second rollers 40 allows the second conveyor belt 41 to convey the material The process of conveying above the second roller 2 is more stable.

As shown in FIG. 3, the circulating conveying mechanism may further include a shunting member 5, the shunting member 5 is disposed between the first roller 1 and the second roller 2, and the shunting member 5 is located in the first roller 1 and the second roller 2 to cooperate and squeeze Below the material location. The flow dividing member 5 includes two inclined surfaces butted at the top, wherein the bottom edge of one inclined surface is located above the first conveyor belt 31, and the bottom edge of the other inclined surface of the flow dividing member 5 is located above the second conveyor belt 41.

In practical applications, the shape of the splitter 5 may be a triangular pyramid, and the shape of the splitter 5 may also be the same as the shape of the angle iron. After the material leaks out between the first roller 1 and the second roller 2, it can fall on the top of the diverter 5, and then slide down along the two inclined surfaces of the diverter 5. The material slipped from one of the inclined surfaces may fall on the first conveyor belt 31 and then be conveyed above the first roller 1 by the first conveyor belt 31 and the first roller 1. The material slipped from the other inclined surface may fall on the second conveyor belt 41 and then be conveyed above the second roller 2 by the second conveyor belt 41 and the second roller 2.

The diverter 5 not only prevents the material leaked from between the first roller 1 and the second roller 2 from falling between the first conveyor belt 31 and the second conveyor belt 41, but also prevents the first roller 1 and the second roller 2 from The leaked material is diverted to prevent the workload borne by the first conveyor belt 31 or the second conveyor belt 41 from being excessive.

As shown in FIG. 3, there is a gap between the bottom edge of one of the inclined surfaces of the flow divider 5 and the first conveyor belt 31, and a gap between the bottom edge of the other inclined surface of the flow divider 5 and the second conveyor belt 41.

The above-mentioned gap can be regarded as a leaking opening between the diverter 5 and the conveyor belt, thereby preventing the leaking material circulation from being untimely, preventing the first roller 1 and the first conveyor belt 31 from being blocked by the leaking material, and preventing the second roller 2 and the second The gap between the two conveyor belts 41 is blocked.

As shown in FIG. 3, the first circulating conveying mechanism 3 further includes a first tensioning assembly 32, and the second circulating conveying mechanism 4 further includes a second tensioning assembly 42. As shown in FIGS. 8 and 9, the first tension assembly 32 includes a first support 320 and a first slider 321, and the second tension assembly 42 includes a second support and a second slider.

As shown in FIGS. 8 and 9, the position of the first support 320 is fixed, the first sliding member 321 is slidingly connected to the first support 320, the first roller 30 is installed on the first sliding member 321, and the first sliding member 321 is configured to adjust the position of the first roller 30 on the first support 320 to tighten or loosen the first conveyor belt 31.

The position of the second support is fixed, the second slide is slidingly connected to the second support, the second roller 40 is mounted on the second slide, and the second slide is configured to adjust the second roller 40 on the second support To tighten or loosen the second conveyor belt 41.

In this embodiment, the granulation equipment may further include a casing 92, and the first roller 1, the second roller 2, and the circulation conveyance mechanism are all installed in the casing 92. The first support 320 and the second support are both fixed on the casing 92. By sliding the first sliding member 321 on the first support 320, the position of the first roller 30 on the casing 92 can be changed, so that the tightness of the first conveyor belt 31 can be adjusted. The position of the second roller 40 on the casing 92 can be changed by sliding the second sliding member on the second support, and then the degree of tightness of the second conveyor belt 41 can be adjusted.

The first tension assembly 32 can be used to conveniently adjust the degree of tightness of the first conveyor belt 31, thereby preventing the first conveyor belt 31 from falling off the first roller 30. The second tensioning assembly 42 can conveniently adjust the degree of tightness of the second conveyor belt 41, and thus can prevent the second conveyor belt 41 from falling off from the second roller 40.

As shown in FIGS. 8 and 9, the first top plate 322 is provided with a first top plate 322. The first top plate 322 is provided with a first strip-shaped hole along the radial direction of the first roller 30, and the first slider 321 is the first A one-seat bearing, the first tensioning assembly 32 further includes a first pressing plate 323, a first adjusting screw 324, and a first adjusting nut 325.

As shown in FIG. 9, the first pressure plate 323 abuts on the side of the first top plate 322 facing away from the first pedestal bearing, and the first pedestal bearing is connected to the first pressure plate 323. The first adjusting nut 325 is installed on the first pressure plate 323, one end of the first adjusting screw 324 is threadedly connected to the first adjusting nut 325 through the first support 320, and the other end of the first adjusting screw 324 abuts on the first The side of the support 320 facing away from the first adjusting nut 325. As shown in FIG. 8, the first roller 30 is mounted on the first pedestal bearing, and the first roller 30 can rotate on the first pedestal bearing.

Wherein, a second top plate is provided on the second support, and a second strip hole is provided along the radial direction of the second roller 40 on the second top plate, the second sliding member is a second pedestal bearing, and the second tensioning component 42 It also includes a second pressure plate, a second adjusting screw, and a second adjusting nut. The second pressure plate abuts on the side of the second top plate facing away from the second pedestal bearing, and the second pedestal bearing is connected to the second pressure plate. The second adjustment nut is installed on the second pressure plate, one end of the second adjustment screw is threadedly connected to the second adjustment nut through the second support, and the other end of the second adjustment screw abuts on the second support away from the second Adjust one side of the nut. The second roller 40 is mounted on the second pedestal bearing, and the second roller 40 can rotate on the second pedestal bearing.

In practical applications, the first top plate 322 and the first pressure plate 323 may be connected by bolts, and the bolts are sequentially connected through the first top plate 322, the first strip-shaped hole, and the first pressure plate 323. The second top plate and the second pressure plate may also be connected by bolts, and the bolts are sequentially connected through the second top plate, the second strip-shaped hole, and the second pressure plate.

Rotating the other end of the first adjusting screw 324 on the side of the first support 320 facing away from the first adjusting nut 325 can rotate the first adjusting screw 324 in the first adjusting nut 325. During the rotation, the first adjusting nut 325 can move along the axial direction of the first adjusting screw 324, and at the same time, the first adjusting nut 325 will drive the first pressure plate 323, the first pedestal bearing, and the first roller 30 to adjust along the first The screw 324 moves axially. After the first roller 30 moves, the tightness of the first conveyor belt 31 can be adjusted.

Similarly, by rotating the other end of the second adjusting screw on the side of the second support away from the second adjusting nut, the second adjusting screw can be rotated in the second adjusting nut. During the rotation, the second adjusting nut can move along the axial direction of the second adjusting screw, and at the same time, the second adjusting nut will drive the second pressure plate, the second connecting bearing, and the second roller 40 along the axial direction of the second adjusting screw mobile. After the second roller 40 moves, the tightness of the second conveyor belt 41 can be adjusted.

In addition, the bolt between the first top plate 322 and the first pressing plate 323 facilitates disassembly of the first roller 30, thereby facilitating installation and maintenance of the first roller 30. The bolt between the second top plate and the second pressing plate facilitates disassembly of the second roller 40, thereby facilitating installation and maintenance of the second roller 40.

As shown in FIG. 3, the granulation equipment provided in this embodiment further includes a waste conveying mechanism 6, the waste conveying mechanism 6 includes a feed port and a discharge port, and the feed port of the waste conveying mechanism 6 is located in the first circulation conveying mechanism 3 and Below the second circulating conveying mechanism 4, the waste conveying mechanism 6 is configured to convey the materials dropped from the first circulating conveying mechanism 3 and the second circulating conveying mechanism 4 to the outside of the granulation equipment.

Part of the material leaked from between the first roller 1 and the second roller 2 can be recycled by the first conveyor belt 31 in the first circulating conveying mechanism 3 and the second conveyor belt 41 in the second circulating conveying mechanism 4, another part will It continues to leak out between the first conveyor belt 31 and the second conveyor belt 41 and becomes waste. In order not to waste waste, the above-mentioned waste conveying mechanism 6 may be provided below the first circulating conveying mechanism 3 and the second circulating conveying mechanism 4. The waste conveying mechanism 6 can transport the above-mentioned waste to the outside of the granulation equipment, and a receiving container is provided outside the granulation equipment to receive the waste, and then the waste is returned back to the first roller 1 and the second roller 2 to cut the waste again Cut and grind so that the waste is also made into granules.

Optionally, a conveying device such as an elevator may be connected to the receiving container, and a conveyor belt may be provided on one side of the elevator. The use of the elevator and the conveyor belt together can transport the waste in the receiving container above the first roller 1 and the second roller 2.

The waste conveying mechanism 6 can further recycle and use the materials leaked between the first roller 1 and the second roller 2 to avoid wasting materials and increase the granulation completion rate of the materials.

As shown in FIGS. 3, 10 and 11, the waste conveying mechanism 6 includes a screw shaft 60, a first motor, a receiving pipe 61 and a receiving hopper 62. The receiving pipe 61 includes an inlet and an outlet. The inlet of the receiving pipe 61 is located below the first roller 1 and the second roller 2. The screw shaft 60 is installed in the receiving pipe 61 and connected to the first motor. The screw shaft 60 can rotate under the drive of the first motor, so as to convey the material that enters the receiving pipe 61 from the inlet of the receiving pipe 61 to the outlet of the receiving pipe 61. The receiving hopper 62 is located below the first roller 1 and the second roller 2, and the receiving hopper 62 communicates with the inlet of the receiving pipe 61.

The waste material leaking from between the first conveyor belt 31 and the second conveyor belt 41 will enter the receiving pipe 61 through the inlets of the receiving hopper 62 and the receiving pipe 61 in this order. At this time, the first motor can be turned on, and the first motor can drive the screw shaft 60 to rotate, and the rotating screw shaft 60 can transport the waste material at the inlet of the receiving pipe 61 to the outlet of the receiving pipe 61. When the outlet of the receiving pipe 61 communicates with the receiving container, the waste can be collected for recycling.

As shown in FIGS. 1-2, the granulation equipment provided in this embodiment further includes a discharge mechanism 7, the discharge mechanism 7 includes an inlet and an outlet, the hollow of the first roller 1 and the second roller 2 The hollow spaces are respectively connected to the feeding port of the discharging mechanism 7, and the discharging mechanism 7 is configured to convey the material in the first roller 1 and the material in the second roller 2 to the discharging port of the discharging mechanism 7.

The discharge mechanism 7 is configured to convey the materials in the first roller 1 and the second roller 2 that have been broken into granules to the outside of the granulation equipment, so as to collect the material particles.

As shown in FIGS. 1 and 2, the discharge mechanism 7 includes a first conveying member 70 and a second conveying member 71. Both the first conveying member 70 and the second conveying member 71 include a feed end and a discharge end, the feed end of the first conveying member 70 is installed inside the first roller 1, and the feed end of the second conveying member 71 is installed at The inside of the second roller 2.

The feed end of the first conveying member 70 may be connected to the shaft end of the first roller 1, and the granular material in the first roller 1 may fall on the feed end of the first conveying member 70. The first conveying member 70 is connected to a motor. After the motor drives the first conveying member 70 to rotate, the material falling on the feed end of the first conveying member 70 can be conveyed to the discharge end of the first conveying member 70, and then the The material is transported to the outside of the granulation equipment.

The feeding end of the second conveying member 71 may be connected to the shaft end of the second roller 2, and the granular material in the second roller 2 may fall on the feeding end of the second conveying member 71. The second conveying member 71 is connected to a motor. After the motor drives the second conveying member 71 to rotate, the material falling on the feed end of the second conveying member 71 can be conveyed to the discharge end of the second conveying member 71, and then the The material is transported to the outside of the granulation equipment.

As shown in FIGS. 3, 12 and 13, the discharge mechanism 7 further includes a first barrel 72 and a second barrel 73. The first barrel 72 is installed inside the first roller 1, and the first conveying member 70 The feed end is installed inside the first barrel 72 and below the inlet of the first barrel 72, and the first extrusion hole 11 communicates with the inlet of the first barrel 72. The second barrel 73 is installed inside the second roller 2, the feed end of the second conveying member 71 is mounted inside the second barrel 73 and is located below the inlet of the second barrel 73, the second extrusion hole 21 and The inlet of the second barrel 73 is in communication.

The inlet of the first barrel 72 faces upwards. After the first protruding teeth 10 and the second protruding teeth 20 shear the material and squeeze the material into the first extruding hole 11, the material has a strip shape and is stuck in the first extrusion In the hole 11, after the material rotates with the first roller 1 above the inlet of the first barrel 72, it will contact the material break 74 and be broken into the first barrel 72 by the break 74. The inlet of the second barrel 73 may also face upwards. After the first protruding teeth 10 and the second protruding teeth 20 shear the material and squeeze the material into the second extrusion hole 21, the material is in the shape of a bar and gets stuck in the second In the extrusion hole 21, when the material rotates with the second roller 2 above the inlet of the second cylinder 73, it will contact the material break 74 and be interrupted by the material break 74 to fall into the second cylinder 73 .

The first barrel 72 may be installed inside the first roller 1 and does not rotate with the rotation of the first roller 1, the feeding end of the first conveying member 70 may be connected to the shaft end of the first roller 1, the first conveying member 70 can rotate as the first roller 1 rotates, and the first conveying member 70 rotates independently of the first cylinder 72.

The second barrel 73 can be installed inside the second roller 2 and does not rotate with the rotation of the second roller 2, the feeding end of the second conveying member 71 can be connected to the shaft end of the second roller 2, the second conveying member 71 can rotate as the second roller 2 rotates, and the second conveying member 71 rotates independently of the second cylinder 73.

Wherein, both the first conveying member 70 and the second conveying member 71 may be a shaftless screw conveying shaft or a screw conveying shaft.

As shown in FIGS. 3 and 13, the inlet of the first barrel 72 and the inlet of the second barrel 73 are equipped with a material break 74, and the material break 74 at the inlet of the first barrel 72 is configured to The material passing through the first extruding hole 11 is interrupted, and the material interrupting member 74 at the inlet of the second material cylinder 73 is configured to interrupt the material passing through the second extruding hole 21.

In practical applications, the material breaking member 74 may be rod-shaped, and the bar-shaped material entering the first barrel 72 and the second barrel 73 may hit the material breaking member 74 because the material is extruded into a bar shape. A certain speed of movement, so that the material can be struck by the material break 74 into particles.

As shown in FIG. 2, the granulation equipment provided in this embodiment further includes a screening mechanism 8 that communicates with the discharge port of the discharge mechanism 7. The screening mechanism 8 is configured to discharge from the discharge mechanism 7 The material from the material outlet is screened into qualified products and unqualified products.

The above-mentioned non-conforming product is no scrap material whose size is smaller than a predetermined specification, and the sieving mechanism 8 can screen out the above-mentioned non-conforming product so as to facilitate the secondary processing of the non-conforming product. Compared with the prior art, the screening mechanism 8 in the granulation equipment provided in this embodiment can improve the pass rate of the granules of the manufactured materials.

As shown in FIG. 14, the screening mechanism 8 includes a discharge pipe 80, a return pipe 81, and a sieve plate 82. Both the discharge pipe 80 and the return pipe 81 include an inlet and an outlet, and the inlet and discharge mechanism of the discharge pipe 80 The discharge port of 7 is connected. The body of the discharge pipe 80 is provided with a screening opening, and the height of the screening opening is not higher than the height of the feeding opening of the discharging mechanism 7. The inlet of the return pipe 81 communicates with the sieving port, the sieve plate 82 is provided with a mesh-shaped sieve hole, and the sieve plate 82 is covered on the sieve port.

As shown in FIG. 14, both the discharge pipe 80 and the return pipe 81 may be arranged obliquely downward, so that the connected return pipe 81 and the discharge pipe 80 are in a herringbone or in-let shape. The granulated material transported by the discharging mechanism 7 will enter the inlet of the discharging pipe 80, and then pass through the sieve plate 82. Under the action of gravity, the unqualified materials will fall through the sieve holes on the sieve plate 82 and fall into the return pipe 81, and reach the exit of the return pipe 81 along the return pipe 81. Unqualified materials can be recovered by connecting the container at the outlet of the return pipe 81.

Alternatively, a lifting platform can be connected to the outlet of the return pipe 81, and a conveyor belt is provided above the first roller 1 and the second roller 2, and one end of the conveyor belt can be connected to the lifting platform. The lifting platform can transport the unqualified material from the exit of the return pipe 81 to the end of the above conveyor belt. The conveyor belt can transport the unqualified material that reaches the end of the conveyor belt to the first roller 1 and the second roller 2 above. Unqualified materials are subjected to secondary processing.

When the qualified material passes through the sieve plate 82, because the size is larger than the size of the sieve hole on the sieve plate 82, it will not enter the return pipe 81, and can slide out of the discharge pipe 80 under the action of gravity until it falls on the The discharge port of the discharge pipe 80. Qualified granular materials can be collected by connecting the container at the discharge port of the discharge pipe 80.

As shown in FIG. 1, the granulation equipment further includes a second motor 9, a first gear 90 and a second gear 91, the output shaft of the second motor 9 is connected to the second gear 91, and the second gear 91 is connected to the second roller 2 Connect at one end. The second gear 91 meshes with the first gear 90, and the first gear 90 is connected to one end of the first roller 1.

Optionally, the granulation equipment further includes a casing 92 and a frame 93, both the first roller 1 and the second roller 2 are installed in the casing 92, and the casing 92 and the second motor 9 are both installed on the frame 93.

Both the end of the first roller 1 and the end of the second roller 2 may be provided with hollow shaft ends, and the first gear 90 and the hollow shaft end of the first roller 1 are connected together by a key to enable the first gear 90 to Drive the first roller 1 to rotate. The second gear 91 and the hollow shaft end of the second roller 2 are connected by a key, so that the second gear 91 can drive the second roller 2 to rotate.

In this embodiment, a second motor 9 can be used to drive the first gear 90 and the second gear 91 to rotate synchronously and reversely, and then the first roller 1 and the second roller 2 can rotate synchronously and reversely. The synchronous reverse rotation can make the working process of the first roller 1 and the second roller 2 more stable, and the working efficiency is higher.

Optionally, as shown in FIG. 1, a coupling may also be connected between the second motor 9 and the second gear 91.

As shown in FIGS. 1-2, the granulation equipment provided in this embodiment further includes a casing 92 and a frame 93, both the first roller 1 and the second roller 2 are installed in the casing 92, and the casing 92 and the second The motors 9 are all installed on the frame 93.

Optionally, as shown in FIGS. 2-3, the granulation equipment provided in this embodiment further includes a feed hopper 94, which is in communication with the casing 92, and the feed hopper 94 is located on the first roller 1 and the first Above the second roller 2.

Optionally, a feeding mechanism may be connected to the inlet of the feeding hopper 94, and the feeding mechanism may include a screw conveying rod or a conveyor belt, and the screw conveying rod or a conveyor belt is used to convey the material to the feeding hopper 94.

It should be noted that the hollow roller for the pelletizer provided in this embodiment is a specific description of the granulation equipment provided in the above embodiment. Based on the above embodiment and FIGS. 1-14, this embodiment provides A hollow roller used in pellet machine.

As shown in FIGS. 15-17, the hollow roller for a pellet machine provided in Example 1 of the present application includes a hollow roller body 201. A feed molding hole 208 is formed on the hollow roller body 201. The material forming hole 208 includes a connecting hole 209 and an enlarged hole 210 that are connected upstream of the connecting hole 209 along the feeding direction, and the enlarged hole 210 is a long hole.

It should be noted that the long hole in the present application means that the size of the long hole in the first direction is larger than the size in the second direction, where the first direction is perpendicular to the second direction.

The hollow roller used in the pellet machine provided by this application has the following advantages:

The feed forming hole 208 includes a connecting hole 209 and a reaming hole 210. Since the reaming hole 210 is a long hole, it has better matching with a long-sized material with a larger particle size, and the long-shaped material is not easy to be reamed 210 jamming is beneficial to the long material entering the reaming hole 210 and advancing into the connecting hole 209 by extrusion, through the above settings, the material quickly enters the reaming hole 210, and stays in the reaming hole 210 for a relatively long time, effectively urging The particles are formed, and then enter the hollow roller through the connecting hole 209 to realize the fast in and out of the material.

In addition, when the material is squeezed into the connection hole 209, the material continuously rubs against the inner wall of the connection hole 209, and generates heat, which can play a drying effect, reduce the humidity of the formed particles, and no additional drying equipment is required.

As shown in FIGS. 18-19, another schematic diagram of a hollow roller for a pellet machine provided by the present application, the connecting hole 209 includes a plurality of forming sections with different diameters, and adjacent forming sections adopt a step transition.

Preferably, the connecting hole 209 includes a first forming section 211 and a second forming section 212, the first forming section 211 and the second forming section 212 adopt a step transition, and the first forming section 211 is connected to the enlarged hole 210.

The material quickly enters through the reaming 210, undergoes the first extrusion through the first forming section 211, and performs the second extrusion through the second forming section 212 to ensure the forming effect and compactness.

The hollow roller for the pellet machine provided by this embodiment is a further improvement of the hollow roller for the pellet machine provided by the above embodiment. On the basis of the above embodiment and FIGS. 15-17, this embodiment provides Hollow roller for pellet machine, the hollow roller includes a hollow roller body 201, a feed molding hole 208 is formed on the hollow roller body 201, and the feed molding hole 208 includes a connecting hole 209 and an enlarged hole 210 In the feed direction, the enlarged hole 210 is provided upstream of the connecting hole 209, and the enlarged hole 210 is a long hole.

The hollow roller used in the pellet machine provided by the present application has the following advantages: the feed forming hole 208 includes a connecting hole 209 and an enlarged hole 210. Since the enlarged hole 210 is a long hole, it has a large diameter Shaped material has better matching, the elongated material is not easy to be blocked by the reaming 210, which is beneficial for the elongated material to enter the reaming 210 and enter the connecting hole 209 by extrusion, through the above settings, the material quickly enters the reaming 210, and stay in the reaming hole 210 for a relatively long time, which effectively promotes the particle formation, and then enters the hollow roller through the connecting hole 209 to realize the fast in and out of the material.

Specifically, the length direction of the long hole is consistent with the radial direction of the hollow roller body 201, so that the strip-shaped material with a larger particle diameter is more likely to enter the long hole.

Preferably, the connecting hole 209 includes a first molding section 211 and a second molding section 212, and the first molding section 211 and the second molding section 212 adopt a step transition.

Specifically, the central axis of the connecting hole 209 and the central axis of the reaming hole 210 are arranged to coincide, which facilitates the processing of the connecting hole 209 and the reaming hole 210 and reduces the difficulty of processing.

In addition, when the material is squeezed into the connection hole 209, the material continuously rubs against the inner wall of the connection hole 209 and generates heat. The generated heat can play a drying effect, reduce the humidity of the formed particles, and no additional drying equipment is required.

Specifically, the long hole is an oblong hole, and the oblong hole is also called a waist hole.

It should be noted that the long holes of the present application may also be long holes of other shapes, such as rectangular holes, and examples are not given here.

Specifically, the connection hole 209 is a round hole.

It should be noted that the connecting hole 209 of the present application may be other shapes such as diamond holes, and examples are not given here.

The hollow roller for the pellet machine provided by this embodiment is a further improvement of the hollow roller for the pellet machine provided by the above embodiment. Based on the above embodiment and FIGS. 15-17, this embodiment provides A hollow roller for a pellet machine. The hollow roller includes a hollow roller body 201. A feed molding hole 208 is formed on the hollow roller body 201. The feed molding hole 208 includes a connecting hole 209 and an enlarged hole 210. Along the feed direction, the enlarged hole 210 is provided upstream of the connecting hole 209, and the enlarged hole 210 is a long hole.

Specifically, the connection hole 209 is a round hole.

Specifically, the hollow roller body 201 includes a cylindrical body 203 having a hollow cavity 202, and bosses 204 and grooves 205 are alternately arranged on the cylindrical body 203, and each boss 204 is provided with a convex tooth 206, each convex A tooth groove 207 is formed between adjacent protruding teeth 206 on the table 204, and an enlarged hole 210 is provided at the bottom of the groove 205. The enlarged hole 210 communicates with the hollow cavity 202 through a connecting hole 209.

Specifically, the outline of the tooth groove 207 is trapezoidal, which is beneficial to grasping materials with a larger particle size and increasing the space for grasping materials, thereby improving efficiency.

As shown in FIG. 20, the pellet forming device provided by the embodiment of the present application includes two hollow rollers for pelletizers meshing with each other, and the two hollow roller bodies 201 rotate synchronously and reversely.

When working, the two hollow roller bodies 201 move relative to each other, which will cut the material without grinding the raw material into powder, and can be directly granulated.

The present application also provides a pellet machine, including the hollow roller for the pellet machine described above or the pellet forming device described above.

It should be noted that the granulator provided in this embodiment belongs to the specific structure of the granulation equipment, and the discharge device 100 provided in this embodiment is a specific description of the granulation equipment provided in the above embodiment. 1- Based on FIG. 14, this embodiment provides a discharge device 100. This embodiment provides a pellet machine 200, which includes a body 21 and a discharge device 100. The discharge device 100 is connected to the body 21. The body 21 is provided with a material inlet 211 and a material outlet 2120. The material flows from the material inlet 211 After entering the pellet machine 200, after a series of processing operations, it is output from the discharge port 2120. It should be noted that the processing process of the pellet machine 200 is reflected in the prior art, and the processing process of the pellet machine 200 will not be described in detail here.

It can be understood that in the actual use process, the material output from the outlet 2120 is mixed with incompletely formed material particles. Such incompletely formed particles are unqualified particles and need to be removed from the output material Filter it out. In the prior art, after the materials are exported, the materials are stored in a unified location for centralized screening, which consumes manpower and weakness, and the work efficiency is low. Based on this, this embodiment also provides a discharge device 100, which can effectively improve work efficiency.

Specifically, referring to FIGS. 21 and 22, the discharge device 100 includes a housing 103 configured to be connected to the body 21 and a partition 011 connected to the housing 103. The housing 103 is provided with a first channel 101 and a second channel 102, one end of the first channel 101 is configured to communicate with the discharge port 2120, the other end of the first channel 101 is configured to communicate with the external environment, and one end of the second channel 102 The channel wall of the first channel 101 communicates with the first channel 101, and the other end of the second channel 102 is configured to communicate with the inlet 211. The partition 011 is provided on the channel wall of the first channel 101 and is located at the communication place between the first channel 101 and the second channel 102. The partition 011 is provided with a plurality of screen holes 1113. The partition 011 is configured such that after the material enters the first channel 101 from the discharge port 2120, a part of the material is output through the first channel 101, and the other part of the material passes through the screen hole 1113, passes through the second channel 102, and enters the inlet 211.

It should be noted that, in this embodiment, one end of the second channel 102 communicates with the inlet 211, which means that one end of the second channel 102 communicates with the inside of the body 21, and the material is conveyed to In the feeding port 211. Of course, in other embodiments, one end of the second channel 102 may directly extend into the material inlet 211.

It should be noted that, in this embodiment, the partition 011 is provided at the connection between the first channel 101 and the second channel 102, that is to say, materials entering the second channel 102 from the first channel 101 need to pass through the partition 011 The upper sieve 1113 can effectively screen out the unqualified materials, and make the unqualified materials re-enter the inlet 211 through the second channel 102 to reprocess the unqualified materials, not only the screening process and output The process is concentrated into one process, which shortens the working time and improves the work efficiency. At the same time, it can also reprocess unqualified materials, reducing the waste of materials and saving the manufacturing cost.

It should be noted that in this embodiment, the partition 011 belongs to a part of the channel wall of the first channel 101 and is provided at the input port of the second channel 102, that is to say, the partition 011 can be configured to Qualified materials in one channel 101 are transported to the external environment, and can also play a screening role, so that unqualified materials enter the second channel 102.

It should be noted that the mesh holes 1113 may be round holes, triangular holes, or rectangular holes. The staff can select the shape of the screen hole 1113 according to the shape and size of the material to be screened. Preferably, in this embodiment, the screen hole 1113 is a round hole.

It is understandable that too small sieve 1113 will cause unqualified materials to be mixed with qualified materials. If sieve 1113 is too large, qualified materials will also enter the second channel 102, both of which will filter Effects have an impact. Therefore, in this embodiment, it is preferable that the diameter of the mesh hole 1113 is b, and 8 mm≦b≦12 mm. The staff can choose the diameter of the sieve hole 1113 according to the specific situation in actual operation. For example, the diameter of the sieve hole 1113 can be 8 mm, 9 mm, 12 mm, etc. Of course, in other embodiments, if the material to be screened is too large or too small, the diameter of the screen hole 1113 can also be changed appropriately, for example, the diameter of the screen hole 1113 can be selected to be 6 mm, 14 mm, and so on.

22 and 23, in this embodiment, the partition 011 includes a frame 112 and a screen 113, the outer wall of the frame 112 is connected to the housing 103, the screen 113 is detachably connected to the frame 112, and the screen 113 is located Inside the frame 112, a screen hole 1113 is provided on the screen 113.

It should be noted that the screen 113 and the frame 112 may be detachably connected by bolts, or an installation groove may be provided in the inner wall of the frame 112, and the screen 113 is directly embedded in the installation groove. It can be understood that the sieve 113 and the frame 112 are detachably connected, which is convenient for the sieve 113 to be better, and also convenient for replacing the sieve 113 with sieve holes 1113 having different shapes and apertures.

In this embodiment, the frame 112 is a rectangular frame, and the screen 113 is disposed inside the frame 112. The frame 112 is beneficial to maintain the shape of the screen 113, and also facilitates the replacement and installation of the screen 113.

Of course, in other embodiments, a through hole may be directly formed in the partition 011, or the screen 113 may be directly connected to the housing 103.

Referring to FIG. 23, in this embodiment, a plurality of mesh holes 1113 are arrayed on the partition to form a plurality of rows of hole groups 111, and each row of hole groups 111 includes a plurality of side-by-side and spaced-apart mesh holes 1113. It can effectively improve the screening effect of separator 011 and reduce the number of unqualified materials mixed in qualified materials.

Specifically, in this embodiment, please refer to FIG. 23, the side-by-side direction of the plurality of mesh holes 1113 in each row of hole groups 111 is perpendicular to the side-by-side direction of multiple rows of hole groups 111. Specifically, the side-by-side direction of the plurality of screen holes 1113 in each row of hole groups 111 is the first direction 300 in FIG. 23, and the side-by-side direction of the multiple row of hole groups 111 is the second direction 400 in FIG. 23, the first direction 300 Vertical to the second direction 400.

It can be understood that the mesh holes 1113 on the separator 011 form a mesh structure on the separator 011, which can effectively improve the screening efficiency of the materials. In other embodiments, a plurality of sieve holes 1113 in each row of hole groups 111 may also be connected to form a strip-shaped hole, and the plurality of strip-shaped holes are arranged side by side on the partition 011, which can also effectively screen materials.

23, in this embodiment, there are gaps 1114 between two adjacent screen holes 1113 in each row of hole groups 111, and the adjacent two rows of hole groups 111 are the first hole group 1111 and the second hole Group 1112, each gap 1114 in the first hole group 1111 corresponds to a mesh hole 1113 in the second hole group 1112.

That is to say, in this embodiment, multiple rows of hole groups 111 are staggered, which can effectively screen the materials passing through different positions of the partition 011, and fully screen the materials passing through the partition 011 to improve the first The ratio of qualified materials among the materials output by channel 101.

Of course, in other embodiments, the first hole group 1111 and the gap 1114 may also correspond one-to-one with the gap 1114 of the second hole group 1112. The mesh holes 1113 of the first hole group 1111 and the mesh holes of the second hole group 1112 1113 one-to-one correspondence.

21 and 22, the first channel 101 includes a first channel segment 1011 and a second channel segment 1012 communicating with each other. The end of the first channel segment 1011 away from the second channel segment 1012 is configured to communicate with the discharge port 2120. The end of the second channel section 1012 away from the first channel section 1011 is configured to communicate with the external environment, and the partition plate 011 is provided on the channel wall of the first channel section 1011. The conveying direction of the second channel section 1012 is inclined downward relative to the conveying direction of the first channel section 1011.

It should be noted that the above-mentioned inclination downward indicates that the material device 100 is inclined toward the ground when it is assembled in FIG. 21. It can be understood that such an arrangement is beneficial to increase the rate of material output and increase the material Output and screening efficiency.

Specifically, the angle between the conveying direction of the second channel section 1012 and the conveying direction of the first channel section 1011 is a, 130°≦a≦160°. Preferably, in this embodiment, a is 150°. In other embodiments, a may also be 130°, 160°, etc.

22, in this embodiment, the discharging device 100 further includes a connecting plate 12, the connecting plate 12 is provided with a connecting hole and a plurality of mounting holes, the connecting plate 12 is sleeved on the housing 103 through the connecting hole, The connecting plate 12 is mounted on the body 21 through a plurality of mounting holes. Specifically, in this embodiment, the connecting plate 12 is welded to the housing, and the connecting plate 12 and the body 21 are connected by bolts.

The working principle of a discharge device 100 provided according to this embodiment is:

The material is output from the outlet 2120 of the pellet machine 200 and enters the first channel 101, part of the material is output from the first channel 101, and the other part passes through the screen hole 1113 on the partition 011 and enters the second channel 102, thereby Enter the feed inlet 211, and re-process. The discharging device 100 screens the materials during the discharging process, so that the materials that do not meet the requirements are reprocessed, and the materials that meet the requirements are directly output. The screening process and the output process are combined into one process, which improves the work. effectiveness.

It should be noted that the granulator provided in this embodiment belongs to the specific structure of the granulation equipment, and the leakage prevention molding device 1001 provided in this embodiment is a specific description of the granulation equipment provided in the above embodiment. On the basis of FIG. 1 to FIG. 14, this embodiment provides a leakage prevention molding device 1001.

This embodiment provides a pellet machine. The pellet machine includes a conveying mechanism, a driving mechanism, a leak-proof material forming device 1001, and the like. The leak-proof material forming device 1001 is configured for material circulation forming. The pellet machine provided in this embodiment can prevent material leakage from multiple links, thereby improving the molding rate of materials and reducing production costs.

As shown in FIG. 24, the leak-proof material forming device 1001 includes a frame 110, a leak-proof hopper 120, a first mold roll 130, a second mold roll 140, a blanking diverter 150, a first baffle 160, and a second The baffle 170, the first pulley mechanism 180 and the second pulley mechanism 190.

The first mold roll 130 and the second mold roll 140 are respectively rotatably disposed on the frame 110, and the effective forming area on the peripheral edge of the first mold roll 130 is matched with the effective forming area on the peripheral edge of the second mold roll 140 , Forming the feed end 131 and the blank end 133. During the material forming process, the material enters the effective forming area of the cooperation between the first mold roll 130 and the second mold roll 140 from the feed end 131, and the first mold roll 130 and the second mold roll 140 are respectively fed by the feed end 131 Rotating in the direction of the blanking end 133, that is, the material at the feeding end 131 is moved toward the blanking end 133, and at the same time, the respective effective forming areas squeeze the material to form the material.

Please refer to FIG. 24 and FIG. 25. In order to prevent material leakage during the feeding process, in this embodiment, the leakage preventing hopper 120 is used for feeding. The leak-proof hopper 120 is disposed on the rack 110, and its discharge port is opposite to the feed end 131, that is, the material in the leak-proof hopper 120 can be output to the feed end 131 through the discharge port. The discharge port of the leak-proof hopper 120 is oppositely provided with two feed side plates 121, the first mold roller 130 is provided with a first baffle 160 at both ends, and the second mold roller 140 is provided with a second block at both ends The plate 170 and the two feed side plates 121 are between two first baffles 160 and two second baffles 170, and are slightly wider than the width of the effective forming area of the first die roll 130 and the second The effective forming width of the die roll 140. The two feed side plates 121 each extend toward the feed end 131, and there is a gap between the first mold roll 130 and the second mold roll 140 to prevent affecting the normal rotation of the first mold roll 130 and the second mold roll 140. In the actual feeding process, the two feeding side plates 121 close the two ends of the feeding end 131, and the material in the feeding end 131 cannot occur at both ends of the first die roller 130 and the second die roller 140 in the axial direction Spills.

In this embodiment, a plurality of molding holes are respectively formed on the outer edges of the first mold roll 130 and the second mold roll 140, that is, a plurality of effective molding areas on the first mold roll 130 and the second mold roll 140 are provided. For the forming hole, the first die roller 130 and the second die roller 140 are configured to extrude the material through the forming hole, and the process of extruding the material into the forming hole is the forming process of the material. The formed materials are transported to the next link from the first mold roller 130 and the second mold roller 140, and the materials that have not been squeezed into the molding holes to complete the molding are driven by the first mold roller 130 and the second mold roller 140 Reaching the blanking end 133.

24 and 26, in order to prevent the material that reaches the blanking end 133 from being directly dropped by the blanking end 133 to cause leakage, in this embodiment, a blanking diverter 150 is provided at the blanking end 133 to Accept and divert materials. The first pulley mechanism 180 and the second pulley mechanism 190 are respectively disposed on the frame 110, and the belt of the first pulley mechanism 180 abuts against the outer edge of the first mold roller 130, that is, effectively The forming area resists, and is configured to clamp the material output from the blanking end 133 with the first mold roller 130 under the driving of the first mold roller 130, so that the material is re-transported into the feed end 131 to be reshaped, and the second pulley The belt of the mechanism 190 resists the outer edge of the second mold roller 140, that is, the effective forming area of the second mold roller 140, and is configured to be clamped and dropped by the second mold roller 140 under the driving of the second mold roller 140 The material output by the material end 133, so that the material is re-transported into the feed end 131 and reshaped. The blanking diverter 150 is configured to introduce the material output from the blanking end 133 between the belt of the first pulley mechanism 180 and the first mold roller 130 and between the belt of the second pulley mechanism 190 and the second mold roller 140 .

The blanking diverter 150 includes a first material guide plate 151 and a second material guide plate 153 that are both provided on the frame 110. In this embodiment, the first material guide plate 151 and the second material guide plate 153 have respective ends They are fixed to the frame 110 by bolts, respectively. One side of the first guide plate 151 and one side of the second guide plate 153 are connected at an angle, and the other end of the first guide plate 151 extends to the belt of the first pulley mechanism 180 and the first mold roller 130 Between the belt of the first pulley mechanism 180 and the first mold roller 130, and the other end of the second guide plate 153 extends to the belt of the second pulley mechanism 190 Between the second mold roll 140 and the second mold roll 140, the remaining material output from the blanking end 133 is configured to be introduced into the belt of the second pulley mechanism 190 and the second mold roll 140.

When material clogging occurs, both the first mold roller 130 and the second mold roller 140 rotate in reverse. The first mold roller 130 can transfer the material between it and the belt of the first pulley mechanism 180, and the first material guide plate 151 The material on the reverse direction is input from the blanking end 133 to the feed end 131. Similarly, the second die roller 140 can reverse the material between it and the belt of the second pulley mechanism 190 and the material on the second material guide plate 153 from the blanking end 133 to the feed end 131 in the reverse direction.

The blanking diverter 150 further includes a first material blocking plate 155 and a second material blocking plate 157. The first material blocking plate 155 is erected on the first material guiding plate 151 and the second material guiding plate 153, and the second material blocking plate 157 is erected on the first guide plate 151 and the second guide plate 153, and the first stop plate 155 and the second stop plate 157 are spaced between two first baffles 160 and two second stops Between plates 170. In this embodiment, the axial width between the first baffle plate 155 and the second baffle plate 157 is greater than the width of the effective forming area of the first mold roll 130 and greater than the width of the effective forming area of the second mold roll 140.

In order to further prevent materials from spilling, the first blocking plate 155 and the second blocking plate 157 are respectively provided with a first curved surface 156 on the side opposite to the first guide plate 151, the first blocking plate 155 and the second blocking material The plates 157 are each provided with a second curved surface 158 on the side opposite to the second material guide plate 153. The first curved surface 156 and the first mold roller 130 have the same surface curvature, the second curved surface 158 and the second mold roller 140 have the same surface curvature, there is a gap between the first curved surface 156 and the first mold roller 130, and the second curved surface 158 and There is a gap between the second die rolls 140. That is, the first baffle plate 155 and the second baffle plate 157 close both ends of the gap between the first baffle plate 151 and the first baffle 160, and the second baffle plate 153 and the second baffle 170 Close the gap between.

Referring to FIGS. 24 and 27, in this embodiment, two first baffles 160 are respectively disposed at both ends of the first mold roll 130, and two second baffles 170 are respectively disposed at the second mold roll 140. At both ends, the first baffle 160 and the second baffle 170 cooperate at the feed end 131 to close the ends of the feed end 131 to prevent material from spilling during feeding.

The first baffle 160 includes a first main board 161 and a first sub-board 163 each having a circular shape. One side of the first main board 161 is connected to the first mold roller 130, and the side of the first main board 161 away from the first mold roller 130 Connected to the first sub-plate 163, the radius of the first sub-plate 163 is larger than the radius of the first main plate 161 and the first mold roll 130, and the first mold roll 130, the first main plate 161 and the first sub-plate 163 are coaxially arranged.

The second baffle 170 includes a second main plate 171 and a second sub-plate 173 each having a circular shape, one side of the second main plate 171 is connected to the second mold roller 140, and the side of the second main plate 171 away from the second mold roller 140 Connected to the second sub-plate 173, the radius of the second main plate 171 is larger than the radius of the second sub-plate 173 and the second mold roll 140, and the second mold roll 140, the second main plate 171, and the second sub-plate 173 are coaxially disposed.

The peripheral edge of the second main board 171 is in contact with the peripheral edge of the first main board 161, the peripheral edge of the second sub board 173 is in contact with the peripheral edge of the first sub board 163, and the side of the second main board 171 near the second sub board 173 is in contact with the first sub board 163 contacts the side close to the first motherboard 161. That is, the step formed by the first main plate 161 and the first sub plate 163 is engaged with the step formed by the second main plate 171 and the second sub plate 173, and the molding material is rotated in the process of the first mold roller 130 and the second mold roller 140 In the process, the first baffle 160 and the second baffle 170 are always kept engaged, so that the two ends of the feeding end 131 are always closed to prevent the material from being spilled during the feeding and extrusion molding process. It can be understood that, in other embodiments, the first baffle 160 and the second baffle 170 may have other forms of cooperation.

There is a gap between both sides of the belt of the first pulley mechanism 180 and the two first flaps 160, and there is a gap between the sides of the belt of the second pulley mechanism 190 and the two second flaps 170. The belt of the first pulley mechanism 180 is slightly wider than the width of the effective forming area of the first mold roller 130 and there is a gap with the first baffle 160, and the belt of the second pulley mechanism 190 is slightly wider than the second mold roller 140 There is a gap between the width of the effective molding area and the second baffle 170. In the actual working process, the material between the first die roller 130 and the belt of the first pulley mechanism 180 is partly squeezed out of the effective forming area toward the axial ends of the first die roller 130 under the clamping action. The two first baffles 160 realize the blocking of this part of the material to prevent this part of the material from being spilled by the two ends of the first die roller 130 during the material circulation process. Similarly, the two second baffles 170 realize the The blocking of the material at both ends of the second mold roller 140 prevents the material from leaking from the two ends of the second mold roller 140 during the material circulation process.

In summary, in this embodiment, the leak-proof material forming device 1001 can prevent the material from being leaked in the feeding process, the forming process, the blanking process, the circulation process and other links of the material forming, avoiding the waste of raw materials and saving the production cost .

Therefore, the pellet machine provided in this embodiment can prevent material leakage from multiple links, thereby improving the molding rate of materials and reducing production costs.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features in them can be equivalently replaced; and these modifications or replacements do not deviate from the essence of the corresponding technical solutions in the technical solutions of the embodiments of the present application. range.

Industrial applicability

The granulation equipment provided in the embodiments of the present application can utilize the bite between the first convex tooth on the first roller and the second convex tooth on the second roller to shear the material, through the process of shredding and granulating the material It is carried out on the same equipment, which improves the production efficiency of the granulation process.

Claims

A granulation device, characterized in that the granulation device includes a first roller and a second roller arranged in parallel, and the first roller and the second roller can rotate in opposite directions;

A first convex tooth is provided on the first roller, a second convex tooth is provided on the second roller, and the first convex tooth and the second convex tooth are interlaced along the axial direction of the first roller Set up

The first roller is hollow, and a first squeeze hole is provided on the first roller at a position opposite to the second convex tooth, and the first squeeze hole communicates with the hollow of the first roller; And/or, the second roller is hollow, and a second squeeze hole is provided on the second roller at a position opposite to the first protruding tooth, the second squeeze hole and the second roller Connect to the hollow;

The first protruding teeth and the second protruding teeth are configured to shear material entering between the first roller and the second roller when the first roller and the second roller rotate in reverse .
The granulation equipment according to claim 1, characterized in that, along the axial direction of the first roller, a plurality of groups of first convex teeth are arranged on the first roller at intervals, and each group of the first convex teeth is Including a plurality of first convex teeth, a plurality of the first convex teeth in any group of the first convex teeth are sequentially arranged on the first roller along the circumferential direction of the first roller;

At the interval between the adjacent two groups of the first convex teeth, a group of the first squeeze holes is provided, and each group of the first squeeze holes includes a plurality of first squeeze holes. A plurality of the first pressing holes in the first pressing holes are sequentially arranged on the first roller along the circumferential direction of the first roller;

Along the axial direction of the second roller, the second roller is provided with a plurality of groups of second convex teeth, each group of the second convex teeth includes a plurality of second convex teeth, and any group of the second convex teeth A plurality of the second convex teeth among the teeth are sequentially arranged on the second roller along the circumferential direction of the second roller;

At the interval between the adjacent two sets of second protruding teeth, a set of the second extrusion holes is provided, and each set of the second extrusion holes includes a plurality of second extrusion holes. A plurality of the second pressing holes in the second pressing holes are sequentially provided on the second roller along the circumferential direction of the second roller.
The granulation apparatus according to claim 1 or 2, characterized in that the granulation apparatus further includes a circulating conveying mechanism configured to move from between the first roller and the second roller The dropped material is sent back to the first roller or the second roller.
The granulation equipment according to claim 3, characterized in that there are two circulating conveying mechanisms, one of which is the first circulating conveying mechanism, and the other of the circulating conveying mechanism is the second circulating conveying mechanism;

The first circulating conveyor mechanism includes a first roller and a first conveyor belt, the first roller is fixed in position, the first conveyor belt is installed on the first roller, and the first conveyor belt is attached to the first roller The side of one roller facing away from the second roller;

The second circulating conveying mechanism includes a second roller and a second conveyor belt, the second roller is fixed in position, the second conveyor belt is installed on the second roller, and the second conveyor belt is attached to the second roller The side of the second roller facing away from the first roller.
The granulation equipment according to claim 4, characterized in that the circulating conveying mechanism further includes a flow dividing member, the flow dividing member is disposed between the first roller and the second roller, and the flow dividing member Located below the position where the first roller and the second roller cooperate to extrude materials;

The diverter includes two inclined surfaces butted at the top, wherein the bottom edge of one of the inclined surfaces is located above the first conveyor belt, and the bottom edge of the other inclined surface of the diverter component is located above the second conveyor belt.
The granulation equipment according to claim 5, characterized in that the granulation equipment further comprises a waste conveying mechanism, the waste conveying mechanism includes a feed port and a discharge port, the feed port of the waste conveying mechanism is located at Below the first circulating conveying mechanism and the second circulating conveying mechanism, the waste conveying mechanism is configured to convey the materials dropped from the first circulating conveying mechanism and the second circulating conveying mechanism to the Describe the exterior of the granulation equipment.
The granulation equipment according to any one of claims 1 to 6, characterized in that the granulation equipment further includes a discharge mechanism, the discharge mechanism includes a feed port and a discharge port, and the first roller And the hollow of the second roller are respectively connected to the feed opening of the discharge mechanism, the discharge mechanism is configured to separate the material in the first roller and the material in the second roller Transported to the discharge port of the discharge mechanism.
The granulation equipment according to claim 7, characterized in that the discharge mechanism includes a first conveying member, a second conveying member, a first barrel and a second barrel;

The first conveying member and the second conveying member each include a feeding end and a discharging end, the feeding end of the first conveying member is installed inside the first roller, and the second conveying member The feed end is installed inside the second roller;

The first cylinder is installed inside the first roller, and the feed end of the first conveying member is installed inside the first cylinder and below the inlet of the first cylinder, the The first squeeze hole communicates with the inlet of the first barrel;

The second cylinder is installed inside the second roller, and the feed end of the second conveying member is installed inside the second cylinder and below the inlet of the second cylinder, the The second extrusion hole communicates with the inlet of the second barrel.
The granulation equipment according to claim 8, wherein the inlet of the first cylinder and the inlet of the second cylinder are equipped with a material breakage member, and the inlet of the first cylinder The material breaking member is configured to interrupt the material passing through the first extrusion hole, and the material breaking member at the inlet of the second barrel is configured to interrupt the second extrusion hole After the material.
The granulation equipment according to claim 7, characterized in that the granulation equipment further comprises a screening mechanism, the screening mechanism is in communication with the discharge port of the discharge mechanism, the screening mechanism is configured to The material from the discharge port of the discharge mechanism is sieved into qualified products and unqualified products.
The granulation equipment according to claim 10, characterized in that the screening mechanism includes a discharge pipe, a return pipe and a sieve plate;

The discharge pipe and the return pipe both include an inlet and an outlet, and the inlet of the discharge pipe communicates with the discharge port of the discharge mechanism;

The screen body of the discharge pipe is provided with a screening opening, and the height of the screening opening is not higher than the height of the feeding opening of the discharging mechanism;

The inlet of the return pipe is in communication with the sieve opening, the sieve plate is provided with a mesh-shaped sieve hole, and the sieve plate is covered on the sieve opening.
The granulation equipment according to any one of claims 1-11, wherein the granulation equipment further includes a second motor, a first gear, and a second gear;

The output shaft of the second motor is connected to the second gear, and the second gear is connected to one end of the second roller;

The second gear meshes with the first gear, and the first gear is connected to one end of the first roller.
A hollow roller for a pellet machine, characterized in that the hollow roller includes a hollow roller body, and a feed forming hole is formed on the hollow roller body, the feed forming hole includes connected The connecting hole and the expanding hole are arranged upstream of the connecting hole along the feeding direction, and the expanding hole is a long hole.
The hollow roller for a pellet machine according to claim 13, characterized in that the hollow roller body includes a cylinder body having a hollow cavity, and the cylinder body is staggered with each other with a boss and a groove, each Each of the bosses is provided with protruding teeth, and a groove is formed between adjacent protruding teeth on each of the bosses, and the reaming hole is provided at the bottom of the groove. The connection hole communicates with the hollow cavity.
A pellet forming device, characterized in that it includes two hollow rollers for pelletizing machine according to any one of claims 13-14, and the two hollow roller bodies rotate synchronously and in reverse .
A discharge device is suitable for a pellet machine. The pellet machine includes a machine body, and the machine body is provided with a material inlet and a material outlet. The characteristic is that the material outlet includes:

A casing configured to be connected to the body, the casing is provided with a first channel and a second channel, one end of the first channel is configured to communicate with the discharge port, and the other end of the first channel Configured to communicate with the external environment, one end of the second channel communicates with the first channel through the channel wall of the first channel, and the other end of the second channel is configured to communicate with the feed inlet;

A baffle connected to the housing, the baffle is provided on a channel wall of the first channel, and is located at a communication place between the first channel and the second channel, and the baffle is provided with Multiple screen holes;

The separator is configured to allow a part of the material to output through the first channel after the material enters the first channel from the discharge port, and another part of the material to pass through the first channel through the sieve Two channels, and enter the feed inlet.
The discharging device according to claim 16, wherein the first channel includes a first channel segment and a second channel segment communicating with each other, and the first channel segment is disposed at an end remote from the second channel segment To communicate with the discharge port, an end of the second channel section away from the first channel section is configured to communicate with the external environment, and the partition plate is provided on the channel wall of the first channel section;

The conveying direction of the second passage section is inclined downward relative to the conveying direction of the first passage section.
An anti-leakage forming device, which is characterized by comprising a frame, an anti-leakage hopper, a first die roller, a second die roller, a blanking diverter, a first baffle, a second baffle, and a first pulley mechanism And a second pulley mechanism, the first die roller and the second die roller are respectively disposed on the frame, the first die roller and the second die roller cooperate with each other to form a feed end and a drop At the material end, the leak-proof hopper is provided on the frame, and its discharge port is opposite to the feed end. The first baffle is installed at both ends of the first mold roll. The second baffle is installed at both ends of the second mold roll, and the first baffle cooperates with the second baffle to connect the first mold roll and the second mold roll The two ends of the gap are blocked, the first pulley mechanism is provided on the frame, its belt is against the outer edge of the first die roller, and is configured to hold materials, and the second pulley mechanism is provided On the frame, the belt is held against the outer edge of the second die roller, and is configured to clamp the material. The blanking splitter is provided at the blanking end and is configured to guide the blanking. The materials output from the ends enter between the belt of the first pulley mechanism and the first mold roller and between the belt of the second pulley mechanism and the second mold roller, respectively.
The anti-leakage molding device according to claim 18, wherein the first baffle plate includes a first main board and a first sub-board that are both circular, and one side of the first main board and the first A die roll is connected, and the side of the first main plate away from the first die roll is connected to the first sub-plate, the radius of the first sub-plate is larger than that of the first main plate and the first die roll The radius of the first mold roller, the first main board and the first sub-board are arranged coaxially.
The anti-leakage molding device according to claim 19, wherein the second baffle plate includes a second main board and a second sub-board that are both circular, and one side of the second main board and the second Two mold rolls are connected, and the side of the second main plate away from the second mold roll is connected to the second sub-plate, and the radius of the second main plate is larger than that of the second sub-plate and the second mold roll Radius, the second die roller, the second main board and the second sub-board are arranged coaxially, the peripheral edge of the second main board is in contact with the peripheral edge of the first main board, the The peripheral edge is in contact with the peripheral edge of the first sub-board, and the side of the second main board close to the second sub-board is in contact with the side of the first sub board close to the first main board.