CN214863355U

CN214863355U - Single screw extrusion granulator

Info

Publication number: CN214863355U
Application number: CN202121726462.3U
Authority: CN
Inventors: 蔚东升
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-26
Anticipated expiration: 2031-07-28

Abstract

The utility model provides a single screw extrusion granulator, including extrusion mechanism, granulation board, eager grain mechanism and locking mechanism, extrusion mechanism is including extrusion barrel, feeder hopper and extrusion screw, and the granulation board passes through locking mechanism and can dismantle with the extrusion barrel and be connected, and eager grain mechanism is located the granulation board and keeps away from extrusion mechanism one side and can be at horizontal direction reciprocating motion, be provided with the granulation hole that a plurality of confession raw materials were extruded on the granulation board, the accessible is changed and is had the granulation board in different aperture granulation holes and satisfy different production demands, enlarges the application scope of granulator.

Description

Single screw extrusion granulator

Technical Field

The utility model relates to a chemical machinery technical field, concretely relates to single screw extrusion granulator.

Background

Chemical machinery is a generic term for machinery and equipment used in the chemical industry. In order to process raw materials into finished products with certain specifications in chemical production, a series of chemical processes such as raw material pretreatment, chemical reaction, separation and refining of reaction products and the like are often required, and machines used for realizing the processes are often classified as chemical machines. The granulator is widely suitable for various materials with melting points (softening points) within 300 ℃ in the chemical industry, which need to be condensed and granulated, and the granulation grain size of the existing granulator is fixed and cannot be adjusted, thereby limiting the application range.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a single screw extrusion granulator for solve the technical problem who proposes among the above-mentioned background art.

In order to realize the purpose, the utility model provides a single screw extrusion granulator, which comprises an extrusion mechanism, a granulating plate, a granulating mechanism and a locking mechanism, the extruding mechanism comprises an extruding cylinder, a feed hopper and an extruding screw, the right end of the extruding cylinder which is horizontally arranged is sealed, the left end of the extruding cylinder is opened, one end of the opening of the extruding cylinder is detachably connected with a granulating plate through a locking mechanism, the granulating plate is provided with a plurality of granulating holes for extruding raw materials, the upper part of the extrusion cylinder body close to the sealed end is provided with a feed hopper, an extrusion screw is positioned in the extrusion cylinder body and is rotationally connected with the extrusion cylinder body, the rotation of the extrusion screw is realized by an extrusion motor, the extrusion screw is provided with spiral blades along the axial direction of the screw in a surrounding way, cut grain mechanism and be located the granulation board left side, cut grain mechanism including can be on the base horizontal slip cut motor with fix the cutter that corresponds with the granulation board on cutting motor output shaft.

Preferably, the locking mechanism comprises a spring and a locking block, a flange is arranged at the opening end of the extrusion cylinder, the outer diameter of the flange is larger than that of the extrusion cylinder, the spring is positioned in a hollow guide column arranged at the periphery of the flange, an axis extension line of the guide column penetrates through the axis of the flange, the locking block is fixedly connected to one end of the spring facing the axis of the flange, one end of the locking block, penetrating through the flange, is provided with a slope facing the direction of the cutter, one side of the locking block, back to the granulating mechanism, is vertically connected with a reset block, the reset block is close to one side of the spring, the right end of the reset block penetrates through the flange and moves up and down in a sliding groove arranged on the flange, and the sliding groove is communicated with the guide hole; and the granulating plate is provided with a lock hole for the locking block to penetrate through.

Preferably, the pelletizing plate comprises an upper side plate and a lower side plate, and a support hole for the extrusion screw to penetrate through is defined by the centers of the upper side plate and the lower side plate.

Preferably, the inside spacing ring with the extrusion screw rod is provided with in the extrusion barrel left end, and when the granulation board right flank and spacing ring butt, the latch segment stretched into the keyhole on the granulation board and fixes the granulation board.

Preferably, a fixing button is further arranged on one side, facing the cutter, of the granulating plate.

Preferably, the output shaft and the cutter of cutting motor all cover inside the cooling box, and the cooling box is connected with cooling body, the cooling box right side and flange left end face fixed connection and be provided with the through-hole that supplies the cutter to wear out, and the cooling box top articulates there is the case lid, and the bottom is provided with the discharge gate, and opening and close of discharge gate is controlled by the valve.

Preferably, the cutting motor slides through a screw nut assembly, the bottom of the cutting motor is fixed on a sliding nut, the sliding nut reciprocates along the horizontal direction along with the rotation of the screw, and the rotation of the screw can be realized through manual operation or motor driving.

The single-screw extrusion granulator obtained by the technical scheme has the beneficial effects that:

1. the granulation plate is detachably connected with the extrusion cylinder through a locking mechanism, the particle size formed by the granulator can be changed by replacing the granulation plate, and meanwhile, the cutting mechanism can reciprocate along the horizontal direction for avoiding the granulation mechanism from influencing the replacement of the granulation plate.

2. Locking mechanism includes spring, latch segment and reset block, can realize the automatic locking to the granulation board, and convenient operation, and the granulation board is changed efficiently.

3. The granulator is also provided with a cooling box which can cool the granules formed by the cutter so as to prevent the granules from being bonded.

Drawings

Fig. 1 is a schematic perspective view of the single screw extrusion granulator.

FIG. 2 is a schematic view of the internal structure of the single screw extrusion granulator.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic view of the structure of the prilling plate.

In the figure, a pressing mechanism 1; extruding the cylinder 11; a retainer ring 111; a feed hopper 12; an extrusion screw 13; a pressing motor 14; a driving wheel 15; a driven wheel 16; a transmission belt 17; a flange 18; a chute 181; a prilling plate 2; an upper side plate 21; a lower side plate 22; a fixing button 23; a granulation hole 2 a; a lock hole 2 b; a granulating mechanism 3; a cutter 31; a pellet motor 32; a base 33; a lead screw 34; a slide nut 35; a locking mechanism 4; a spring 41; the guide posts 42; a locking block 43; a reset block 44; a cooling tank 5; a case cover 51; a discharge port 52.

Detailed Description

The invention is further embodied by the following description in conjunction with the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in the figures, the embodiment provides a single-screw extrusion granulator, which comprises an extrusion mechanism 1, a granulation plate 2, a granulation mechanism 3 and a locking mechanism 4, wherein the extrusion mechanism 1 comprises an extrusion cylinder 11, a feed hopper 12 and an extrusion screw 13, the right end of the extrusion cylinder 11 horizontally arranged is sealed, the left end is open, one end of the opening of the extrusion cylinder 11 is detachably connected with the granulation plate 2 through the locking mechanism 4, the granulation plate 2 is provided with a plurality of granulation holes 2a for raw material extrusion, the feed hopper 12 is arranged above the end of the extrusion cylinder 11 close to the seal, the extrusion screw 13 is positioned inside the extrusion cylinder 11 and is rotatably connected with the extrusion cylinder 11, the rotation of the extrusion screw 13 is realized through an extrusion motor 14, the extrusion screw 13 is provided with spiral blades around the axial direction of the screw for pushing the raw material in the extrusion cylinder 11, specifically, the output shaft of the extrusion motor 14 is connected with a driving wheel 15, the driving wheel 15 is in transmission connection with a driven wheel 16 fixed on the extrusion screw 13 through a transmission belt 17, the granulating mechanism 3 is positioned on the left side of the granulating plate 2, and the granulating mechanism 3 comprises a cutting motor capable of horizontally sliding on a base 33 and a cutter 31 fixed on an output shaft of the cutting motor and corresponding to the granulating plate 2.

The locking mechanism 4 may be a bolt or other fastening member, in this embodiment, in order to increase the replacement speed of the granulating plate 2, the locking mechanism 4 is preferably a spring 41 and a locking block 43, the opening end of the extrusion cylinder 11 is provided with a flange 18, the outer diameter of the flange 18 is larger than the outer diameter of the extrusion cylinder 11, the spring 41 is located in a hollow guide column 42 arranged at the periphery of the flange 18, the axis extension line of the guide column 42 passes through the axis of the flange 18, one end of the spring 41 facing the axis of the flange 18 is fixedly connected with the locking block 43, one end of the locking block 43 penetrating out of the flange 18 is provided with a slope facing the direction of the cutter 31, one side of the locking block 43 facing away from the granulating mechanism 3 is vertically connected with a reset block 44, the reset block 44 is close to one side of the spring 41, the right end of the reset block 44 penetrates out of the flange 18 and moves up and down in a chute arranged on the flange 18, the sliding groove is communicated with the guide hole; correspondingly, the granulating plate 2 is provided with a lock hole 2b for the lock block 43 to penetrate.

The pelletizing plate 2 comprises an upper side plate 21 and a lower side plate 22, and a support hole for the extrusion screw 13 to penetrate is formed by the centers of the upper side plate 21 and the lower side plate 22 in a surrounding mode.

In order to ensure that the granulating plate 2 is installed in place, a limiting ring concentric with the extrusion screw 13 is arranged inside the left end of the extrusion cylinder 11, the limiting ring and the extrusion cylinder 11 are integrally formed, and when the right side surface of the granulating plate 2 is abutted against the limiting ring, the locking block 43 extends into the locking hole 2b on the granulating plate 2 to fix the granulating plate 2.

Simultaneously, for conveniently changing granulation board 2, granulation board 2 still is equipped with the fixed button towards one side of cutter 31, holds between the fingers the dismouting that fixed button realized granulation board 2 through the hand.

Furthermore, the output shaft of the cutting motor and the cutter 31 are covered inside the cooling box 5, the cooling box 5 is connected with a cooling mechanism for cooling particles cut by the cutter 31 to prevent the particles from being bonded, the cooling mechanism can select an air cooling or water cooling mode, no further limitation is needed, the right side of the cooling box 5 is fixedly connected with the left end face of the flange 18 and is provided with a through hole for the cutter 31 to penetrate out, the top of the cooling box 5 is hinged with a box cover 51, the bottom of the cooling box is provided with a discharge hole 52, and the opening and closing of the discharge hole 52 are controlled by a valve.

The sliding of the cutting motor is realized through a screw rod 34 nut assembly, specifically, the screw rod 34 nut assembly is fixed on a base 33, wherein the screw rod 34 is positioned in a groove formed in the base 33 and is rotatably connected with the base 33, a sliding nut 35 is fixed on the screw rod 34 and reciprocates along with the rotation of the screw rod 34, the bottom of the cutting motor is fixed on the sliding nut 35, and the rotation of the screw rod 34 can be realized through manual operation or motor driving.

When the granulating plate 2 is replaced, the cutting motor moves along with the rotation of the screw rod 34 in the direction far away from the extruding cylinder 11, the box cover 51 of the cooling box 5 is opened, the reset block 44 is shifted upwards to enable the locking block 43 to withdraw from the locking hole 2b of the upper side plate 21, the fixing button is held to the left side to pull out the upper side plate 21 and take out the upper side plate 21 from the position of the box cover 51, the reset block 44 is shifted downwards to enable the locking block 43 to withdraw from the locking hole 2b of the lower side plate 22, the fixing button is held to the left side to pull out the lower side plate 22, and the lower side plate 22 is taken out from the position of the box cover 51; the upper side plate 21 and the lower side plate 22 with required apertures are respectively pushed towards the direction close to the extrusion cylinder 11, under the action of the spring 41, the locking block 43 retracts into the flange plate 18 until the locking hole 2b is aligned with the guide column 42, at the moment, the right side faces of the upper side plate 21 and the lower side plate 22 are respectively abutted against the limiting ring, the locking block 43 extends into the locking hole 2b under the reverse acting force of the spring 41 to fix the upper side plate 21 and the lower side plate 22, the cutting motor moves towards the direction close to the extrusion cylinder 11 along with the reverse rotation of the lead screw 34 until the cutter 31 is abutted against the granulating plate 2, so that raw materials extruded from the extrusion cylinder 11 are cut to form granules.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A single screw extrusion granulator is characterized by comprising an extrusion mechanism, a granulating plate, a granulating mechanism and a locking mechanism, the extruding mechanism comprises an extruding cylinder, a feed hopper and an extruding screw, the right end of the extruding cylinder which is horizontally arranged is sealed, the left end of the extruding cylinder is opened, one end of the opening of the extruding cylinder is detachably connected with a granulating plate through a locking mechanism, the granulating plate is provided with a plurality of granulating holes for extruding raw materials, the upper part of the extrusion cylinder body close to the sealed end is provided with a feed hopper, an extrusion screw is positioned in the extrusion cylinder body and is rotationally connected with the extrusion cylinder body, the rotation of the extrusion screw is realized by an extrusion motor, the extrusion screw is provided with spiral blades along the axial direction of the screw in a surrounding way, cut grain mechanism and be located the granulation board left side, cut grain mechanism including can be on the base horizontal slip cut motor with fix the cutter that corresponds with the granulation board on cutting motor output shaft.

2. The single-screw extrusion granulator according to claim 1, wherein the locking mechanism comprises a spring and a locking block, a flange is arranged at the opening end of the extrusion cylinder, the outer diameter of the flange is larger than the outer diameter of the extrusion cylinder, the spring is positioned in a hollow guide column arranged at the periphery of the flange, the axis extension line of the guide column passes through the axis of the flange, the locking block is fixedly connected at one end of the spring facing the axis of the flange, one end of the locking block, which penetrates out of the flange, is provided with a slope facing the cutter direction, one side of the locking block, which is back to the granulating mechanism, is vertically connected with a reset block, the reset block is close to one side of the spring, the right end of the reset block penetrates out of the flange and moves up and down in a chute arranged on the flange, and the chute is communicated with the guide hole; and the granulating plate is provided with a lock hole for the locking block to penetrate through.

3. A single screw extrusion granulator according to claim 1, wherein the granulation plate comprises an upper side plate and a lower side plate, the upper side plate and the lower side plate centrally enclosing a support hole for the extrusion screw to pass through.

4. The single screw extrusion granulator of claim 1, wherein a stop ring concentric with the extrusion screw is provided inside the left end of the extrusion cylinder.

5. A single screw extrusion granulator according to claim 1, wherein the granulation plate is further provided with a fixing button on the side facing the cutter.

6. The single-screw extrusion granulator according to claim 1, wherein the output shaft of the cutting motor and the cutter are covered inside a cooling box, the cooling box is connected with the cooling mechanism, the right side of the cooling box is fixedly connected with the left end face of the flange plate and is provided with a through hole for the cutter to penetrate through, the top of the cooling box is hinged with a box cover, the bottom of the cooling box is provided with a discharge hole, and the opening and closing of the discharge hole are controlled by a valve.

7. The single screw extrusion granulator of claim 1, wherein the sliding of the cutting motor is achieved by a screw nut assembly, the bottom of the cutting motor is fixed on a sliding nut, the sliding nut reciprocates in a horizontal direction along with the rotation of the screw, and the rotation of the screw can be achieved manually or by motor drive.