CN210252170U

CN210252170U - Vertical extruder

Info

Publication number: CN210252170U
Application number: CN201920832092.8U
Authority: CN
Inventors: 贺辰阳; 赵晓东
Original assignee: Chuang Chi Technology Jiangsu Ltd By Share Ltd
Current assignee: Chuang Chi Technology Jiangsu Ltd By Share Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-07
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a vertical extruder, fixed mounting has an installation section of thick bamboo in the frame, coaxial fixed mounting has the tube-shape filter screen on the installation section of thick bamboo, coaxial rotation installs outer extrusion wheel on the installation section of thick bamboo, annular clearance has between the outer periphery of outer extrusion wheel and the interior circumference of tube-shape filter screen, outer extrusion wheel has seted up the accommodation hole, outer extrusion wheel has seted up the material passageway, material passageway intercommunication accommodation hole and tube-shape filter screen through-hole, fixed mounting has the clamp plate on the tube-shape filter screen, the clamp plate lid sets up the material passageway, accommodation hole internal rotation installs interior extrusion wheel, the outer periphery of interior extrusion wheel is laminated with the interior circumference of accommodation hole, interior extrusion wheel has seted up the holding opening, holding opening and material passageway intercommunication, interior extrusion wheel and outer extrusion wheel coaxial setting, interior extrusion wheel and outer extrusion wheel are rotated by actuating mechanism drive, the rotation of interior extrusion wheel and outer extrusion wheel is opposite; the utility model discloses simple structure has improved the granulation efficiency of granulator.

Description

Vertical extruder

Technical Field

The utility model belongs to the technical field of the extruder technique and specifically relates to a vertical extruder is related to.

Background

The application of powder granulation in the fields of medicines, fertilizers, foods and the like is very wide, and the granulation process is generally that materials such as loose or bulk soft materials and the like which are prepared by uniformly mixing powder raw materials, excipients, wet adhesives and the like are extruded into thin round strips by an extruder, and then the materials are broken and rolled by a rolling machine to obtain wet spherical particles.

Traditional extruder is screw extruder, screw extruder can produce the heat at the in-process of work, the material removes along extruding screw's axial direction, the length of extruding screw is longer, the migration distance of material in screw extruder is longer, the time that the material dwelled in screw extruder is longer, lead to the product temperature to rise, especially heat sensitivity passes the product temperature and rises the back, the consistency of product reduces, the material of extruding can not be the slender stick, influence going on of rounding process on next step, the granulation efficiency of granulator has been reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems that the traditional screw extruder in the prior art can generate heat in the working process to cause the temperature of a product to rise, the viscosity of the product is reduced, the extruded material cannot be slender, the next rounding procedure is influenced, and the granulation efficiency of a granulator is reduced, the vertical extruder is provided.

The utility model provides a technical scheme that its technical problem adopted is: a vertical extruder comprises a rack, wherein an installation barrel is fixedly installed on the rack, a cylindrical filter screen is coaxially and fixedly installed on the installation barrel, an outer extrusion wheel is installed on the installation barrel in a coaxial rotating mode, an annular gap is reserved between the outer circumferential surface of the outer extrusion wheel and the inner circumferential surface of the cylindrical filter screen, a containing hole is formed in the outer extrusion wheel, a material channel is formed in the outer extrusion wheel, the material channel is communicated with the containing hole and a through hole of the cylindrical filter screen, a pressing plate is detachably installed on the cylindrical filter screen, the material channel is covered by the pressing plate, an inner extrusion wheel is installed in the containing hole in a rotating mode, the outer circumferential surface of the inner extrusion wheel is attached to the inner circumferential surface of the containing hole, an accommodating opening is formed in the inner extrusion wheel, the accommodating opening is communicated with the material channel, the inner extrusion wheel and the outer extrusion wheel are coaxially arranged, and the inner extrusion wheel and the outer extrusion, the inner extrusion wheel and the outer extrusion wheel have opposite rotation directions.

The utility model discloses a vertical extruder, when using, place the material in the holding opening of inside extrusion wheel, drive arrangement drive interior extrusion wheel and outer extrusion wheel rotate, interior extrusion wheel rotates and drives holding opening and is close to material channel, when holding opening and material channel communicate, the material gets into material channel, the rotation direction of outer extrusion wheel and interior extrusion wheel is opposite, outer extrusion wheel rotates, throw the material into the annular gap between the outer periphery of outer extrusion wheel and the interior periphery of tube-shape filter screen through centrifugal force, the material constantly gets into material channel, the cover of clamp plate makes the material not upwards move, only move to the tube-shape filter screen along with the promotion of interior extrusion wheel, the material in the material channel is constantly thrown into annular gap, after the material in the annular gap is full up, the material can move to the through-hole of filter screen under the promotion of outer extrusion wheel, thereby be extruded in the through-hole of tube-shape filter screen, the extruded material is in a strip shape, and the shape of the cross section of the strip material is the same as that of the cross section of the through hole of the filter screen; the material channel on the outer extrusion wheel is in a continuous rotating state along the inner circumferential surface of the cylindrical filter screen, the material channel is filled into the annular gap where the material channel passes through, the feeding of the material channel to the annular gap belongs to intermittent feeding, and the material stored in the annular gap is limited, so that the extruded material is a discontinuous strip-shaped material, the length of the strip-shaped material is in direct proportion to the volume of the annular gap, and the larger the volume of the annular gap is, the longer the length of the strip-shaped material is; the utility model discloses simple structure, convenient operation, the material directly is extruded into the through-hole of tube-shape filter screen after getting into the material passageway from holding the clearance, the material moves along the radial direction of outer extrusion wheel in the extruder, the distance that the material moved in the extruder is shorter, the time of dwell is shorter, the material intensifies slowly, and the tube-shape filter screen directly contacts with the external world, the radiating effect of tube-shape filter screen is better, the heat dissipation of material is faster, can guarantee the consistency of material, guarantee that the material of extruding is the slender strip, do not influence going on of the rounding process of next step, the granulation efficiency of granulator has been improved; the compact design is simpler to install and clean.

Further, outer extrusion wheel includes the base wheel, base wheel upper surface circumference equipartition has a plurality of outer extruded flabellums, forms the material passageway between two adjacent outer extruded flabellums, and the interior terminal surface of a plurality of outer extruded flabellums constitutes the inner circumference face of accommodation hole, has the clearance between the outer terminal surface of a plurality of outer extruded flabellums and the inner circumference face of tube-shape filter screen, the guide opening has been seted up to the bottom of material passageway, the guide opening is towards annular gap.

Furthermore, interior extrusion wheel includes the collar, extrude the flabellum in fixed mounting has on the collar, a plurality of interior flabellum is along the central axis circumference equipartition of collar, adjacent two interior flabellum forms the holding opening between extruding the flabellum, interior flabellum and the interior circumferential laminating of holding hole extrude.

Realize not equidirectional rotation when extruding wheel and outer extrusion wheel coaxial arrangement in order to realize, first installation through-hole has been seted up to the coaxial on the installation section of thick bamboo, first axis of rotation is installed to first installation through-hole internal rotation, second installation through-hole has been seted up to first axis of rotation coaxial, the second axis of rotation is installed to second installation through-hole internal rotation, the wheel is extruded outward to the coaxial fixed mounting in upper end of first axis of rotation, and the coaxial fixed mounting of lower extreme is first from the driving wheel, extrude the wheel in the coaxial fixed mounting in upper end of second axis of rotation, and the coaxial fixed mounting second of lower extreme is from the driving wheel, the driving mechanism drive is first from driving wheel and second from the driving wheel rotation, and first from the driving wheel and the second from the rotation.

In order to conveniently and continuously supply materials into the accommodating opening, a hopper is fixedly mounted on the pressing plate, an inner cavity of the hopper is communicated with the accommodating hole, materials are stored in the hopper and cover the accommodating opening, and the materials can be continuously supplied into the accommodating opening.

In order to prevent the materials in the hopper from arching and influencing the supply of the materials, the upper end of the first rotating shaft is fixedly provided with an installation block of which the top is pointed, a scraper for preventing the materials from bridging is fixedly arranged on the installation block, and the scraper is attached to the inner wall of the hopper.

Further, fixed mounting has the mounting bracket in the frame, the through-hole has been seted up on the mounting bracket, an installation section of thick bamboo fixed mounting is in the through-hole, clamp plate fixed mounting is in the bottom of hopper, the clamp plate passes through fastener demountable installation on the mounting bracket.

Further, fastener includes the screw, a plurality of screw holes have been seted up on the mounting bracket, and is a plurality of the central axis circumference equipartition along the through-hole is followed to the screw hole, screw hole internal thread mounting screw, rotate on the screw and install the pressure strip, the pressure strip is established between mounting bracket and pressure strip.

In order to prevent dust from entering the first mounting through hole to influence the rotation of the first rotating shaft, the lower end of the mounting cylinder is detachably provided with a cover plate for closing the lower port of the through hole.

The utility model has the advantages that: the utility model discloses a vertical extruder, fixed mounting has an installation section of thick bamboo in the frame, coaxial fixed mounting has the tube-shape filter screen on the installation section of thick bamboo, coaxial rotation installs outer extrusion wheel on the installation section of thick bamboo, annular clearance has between the outer periphery of outer extrusion wheel and the inner circumferential surface of tube-shape filter screen, the accommodation hole has been seted up on the outer extrusion wheel, the material passageway has been seted up on the outer extrusion wheel, material passageway intercommunication accommodation hole and tube-shape filter screen through-hole, fixed mounting has the clamp plate on the tube-shape filter screen, the clamp plate lid sets up the material passageway, the accommodation hole internal extrusion wheel is installed to the rotation, the outer periphery of inner extrusion wheel is laminated with the inner circumferential surface of accommodation hole, the holding opening has been seted up on the inner extrusion wheel, holding opening and material passageway intercommunication, inner extrusion wheel and outer extrusion wheel coaxial setting, inner extrusion wheel and outer extrusion wheel are rotated by the drive mechanism drive, the; the utility model discloses simple structure, convenient operation, the material directly is extruded into the through-hole of tube-shape filter screen after getting into the material passageway from holding the clearance, the material moves along the radial direction of outer extrusion wheel in the extruder, the distance that the material moved in the extruder is shorter, the time of dwell is shorter, the material intensifies slowly, and the tube-shape filter screen directly contacts with the external world, the radiating effect of tube-shape filter screen is better, the heat dissipation of material is faster, can guarantee the consistency of material, guarantee that the material of extruding is the slender strip, do not influence going on of the rounding process of next step, the granulation efficiency of granulator has been improved; the compact design is simpler to install and clean.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a two-dimensional schematic view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a two-dimensional cross-sectional view of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;

fig. 5 is a three-dimensional schematic view of the outer extrusion wheel of the present invention;

fig. 6 is a top view of the outer extrusion wheel of the present invention;

FIG. 7 is a top view of the inner extrusion wheel of the present invention;

fig. 8 is a front view of the middle tubular screen of the present invention.

In the figure: 1. the automatic feeding device comprises a rack, 2 parts of a mounting cylinder, 3 parts of a cylindrical filter screen, 4 parts of an outer extrusion wheel, 4-1 parts of a containing hole, 4-2 parts of a material channel, 4-3 parts of a base wheel, 4-4 parts of an outer extrusion fan blade, 4-5 parts of a material guiding opening, 5 parts of an annular gap, 6 parts of a pressure plate, 7 parts of an inner extrusion wheel, 7-1 parts of a containing opening, 7-2 parts of a mounting ring, 7-3 parts of an inner extrusion fan blade, 8 parts of a first rotating shaft, 9 parts of a second rotating shaft, 10 parts of a first driven wheel, 11 parts of a second driven wheel, 12 parts of a hopper, 13 parts of a mounting block, 14 parts of a scraper plate, 15 parts of a mounting frame, 16 parts of screws, 17 parts of.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and 2, including frame 1, the bottom mountable of frame 1 is convenient for remove the gyro wheel of frame 1, still can install adjusting screw 16 of being convenient for adjust the 1 roughness of frame, fixed mounting has mounting bracket 15 in the frame 1, the through-hole has been seted up on mounting bracket 15, installation section of thick bamboo 2 fixed mounting is in the through-hole, install the tube-shape filter screen 3 as shown in fig. 8 through solid fixed ring coaxial welding fixed mounting on the installation section of thick bamboo 2, there are the optional and multiple configuration of aperture of multiple tube-shape filter screen 3 to provide, can be used to optimize particle diameter, surface quality and product particle size distribution. An outer extrusion wheel 4 is coaxially and rotatably arranged on the mounting cylinder 2, an annular gap 5 is arranged between the outer circumferential surface of the outer extrusion wheel 4 and the inner circumferential surface of the cylindrical filter screen 3, as shown in figures 3 and 4, a containing hole 4-1 is formed in the outer extrusion wheel 4, a material channel 4-2 is formed in the outer extrusion wheel 4, the material channel 4-2 is communicated with the containing hole 4-1 and a through hole of the cylindrical filter screen 3, a pressing plate 6 is detachably arranged on the cylindrical filter screen 3, the material channel 4-2 is covered by the pressing plate 6, a hopper 12 is fixedly arranged on the pressing plate 6, the inner cavity of the hopper 12 is communicated with the containing hole 4-1, an inner extrusion wheel 7 is rotatably arranged in the containing hole 4-1, the outer circumferential surface of the inner extrusion wheel 7 is attached to the inner circumferential surface of the containing hole 4-1, an accommodating opening 7-1 is formed in the inner extrusion wheel 7, and the, the inner extrusion wheel 7 and the outer extrusion wheel 4 are coaxially arranged, the inner extrusion wheel 7 and the outer extrusion wheel 4 are driven by a driving mechanism to rotate, and the rotating directions of the inner extrusion wheel 7 and the outer extrusion wheel 4 are opposite.

The outer extrusion wheel 4 comprises a base wheel 4-3, as shown in fig. 5 and 6, six outer extrusion fan blades 4-4 are uniformly distributed on the circumference of the upper surface of the base wheel 4-3, a material channel 4-2 is formed between every two adjacent outer extrusion fan blades 4-4, the inner end surfaces of the six outer extrusion fan blades 4-4 form the inner circumferential surface of the accommodating hole 4-1, gaps are formed between the outer end surfaces of the six outer extrusion fan blades 4-4 and the inner circumferential surface of the cylindrical filter screen 3, a material guide opening 4-5 is formed in the bottom of the material channel 4-2, and the material guide opening 4-5 faces the annular gap 5.

The inner extrusion wheel 7 comprises a mounting ring 7-2, as shown in fig. 7, inner extrusion fan blades 7-3 are fixedly mounted on the mounting ring 7-2, the three inner extrusion fan blades 7-3 are uniformly distributed along the circumference of the central axis of the mounting ring 7-2, an accommodating opening 7-1 is formed between every two adjacent inner extrusion fan blades 7-3, and the inner extrusion fan blades 7-3 are attached to the inner circumferential surface of the accommodating hole 4-1.

The mounting cylinder 2 is coaxially provided with a first mounting through hole, a first rotating shaft 8 is rotatably mounted in the first mounting through hole through a bearing, a second mounting through hole is coaxially formed in the first rotating shaft 8, a second rotating shaft 9 is rotatably mounted in the second mounting through hole through a bearing, an outer extrusion wheel 4 is coaxially and fixedly mounted at the upper end of the first rotating shaft 8, a first driven wheel 10 is coaxially and fixedly mounted at the lower end of the first rotating shaft 9, an inner extrusion wheel 7 is coaxially and fixedly mounted at the upper end of the second rotating shaft 9, a second driven wheel 11 is coaxially and fixedly mounted at the lower end of the second rotating shaft, a driving mechanism drives the first driven wheel 10 and the second driven wheel 11 to rotate, the rotating directions of the first driven wheel 10 and the second driven wheel 11 are opposite, the first driven wheel 10 and the second driven wheel 11 can be belt pulleys or chain wheels, the driving mechanism can be two motors, a first driving wheel is fixedly, first action wheel and second action wheel can be belt pulley or sprocket, first action wheel passes through belt or chain and first from the transmission of driving wheel 10 to be connected, the second action wheel passes through belt or chain and the second is connected from the transmission of driving wheel 11, the revolve to opposite of two motors, thereby and extrude in the drive wheel 7 and extrude soon also to different with outer wheel 4, the motor is installed in frame 1, set up the through-hole that supplies belt or chain to pass on the installation section of thick bamboo 2, fixed mounting is used for the cover of belt or chain to cover in the frame 1, the top of cover is sharp top, the bar material of extruding in the tube-shape filter screen 3 can not fall on belt or chain, also can not exist on the sharp top.

The upper end of the first rotating shaft 8 is fixedly provided with a mounting block 13 with a pointed top, a scraper 14 for preventing the material from bridging is fixedly arranged on the mounting block 13, and the scraper 14 is attached to the inner wall of the hopper 12.

Pressing plate 6 fixed mounting is in the bottom of hopper 12, and pressing plate 6 passes through fastener demountable installation on mounting bracket 15, fastener includes screw 16, has seted up three screw hole on the mounting bracket 15, and three screw hole is along the central axis circumference equipartition of through-hole, and the downthehole equal thread mounting screw 16 of screw thread rotates on the screw 16 and installs pressure strip 17, and pressing plate 6 card is established between mounting bracket 15 and pressure strip 17.

The lower end of the mounting cylinder 2 is detachably provided with a cover plate 18 for closing the lower end opening of the through hole.

When the vertical extruder of the utility model is used, materials are added into the hopper 12 and stored in the hopper 12 and cover the containing opening 7-1, and can be continuously supplied into the containing opening 7-1, the driving device drives the first driven wheel and the second driven wheel 11 to respectively rotate so as to drive the inner extrusion wheel 7 and the outer extrusion wheel 4 to rotate, the inner extrusion wheel 7 rotates to drive the containing opening 7-1 to approach to the material channel 4-2, when the containing opening 7-1 is communicated with the material channel 4-2, the materials enter the material channel 4-2, the rotation directions of the outer extrusion wheel 4 and the inner extrusion wheel 7 are opposite, the outer extrusion wheel 4 rotates, the materials are thrown into the annular gap 5 between the outer circumferential surface of the outer extrusion wheel 4 and the inner circumferential surface of the cylindrical filter screen 3 through centrifugal force, and the materials continuously enter the material channel 4-2, the material cannot move upwards due to the covering of the pressing plate 6, and only moves towards the cylindrical filter screen 3 along with the pushing of the inner extrusion wheel 7, the material in the material channel 4-2 is thrown into the annular gap 5 continuously, and after the material in the annular gap 5 is fully accumulated, the material can move towards the through hole of the filter screen under the pushing of the outer extrusion wheel 4, so that the material is extruded from the through hole of the cylindrical filter screen 3, the extruded material is in a strip shape, and the cross section shape of the strip-shaped material is the same as that of the through hole of the filter screen; because the material channel 4-2 on the outer extrusion wheel 4 is in a state of continuously rotating along the inner circumferential surface of the cylindrical filter screen 3, the material channel 4-2 is used for filling materials into the annular gap 5 where the material channel 4-2 passes through, the feeding of the material channel 4-2 to the annular gap 5 belongs to intermittent feeding, and the materials stored in the annular gap 5 are limited, the extruded materials are discontinuous strip-shaped materials, the length of the strip-shaped materials is in direct proportion to the volume of the annular gap 5, and the larger the volume of the annular gap 5 is, the longer the length of the strip-shaped materials is; the utility model discloses simple structure, convenient operation, the material directly is extruded into the through-hole of tube-shape filter screen 3 after getting into material passageway 4-2 from holding the clearance, the material moves along the radial direction of outer extrusion wheel 4 in the extruder, the distance that the material moved in the extruder is shorter, the dwell time is shorter, the material intensifies slowly, and tube-shape filter screen 3 directly contacts with the external world, tube-shape filter screen 3's radiating effect is better, the heat dissipation of material is faster, can guarantee the consistency of material, guarantee that the material of extruding is the slender strip, do not influence going on of the rounding process of next step, the granulation efficiency of granulator has been improved; the compact design is simpler to install and clean.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A vertical extruder which is characterized in that: the device comprises a rack (1), wherein an installation cylinder (2) is fixedly installed on the rack (1), a cylindrical filter screen (3) is coaxially and fixedly installed on the installation cylinder (2), an outer extrusion wheel (4) is installed on the installation cylinder (2) in a coaxial rotating mode, an annular gap (5) is formed between the outer circumferential surface of the outer extrusion wheel (4) and the inner circumferential surface of the cylindrical filter screen (3), a containing hole (4-1) is formed in the outer extrusion wheel (4), a material channel (4-2) is formed in the outer extrusion wheel (4), the material channel (4-2) is communicated with the containing hole (4-1) and a through hole of the cylindrical filter screen (3), a pressing plate (6) is detachably installed on the cylindrical filter screen (3), the material channel (4-2) is covered by the pressing plate (6), and an inner extrusion wheel (7) is rotatably installed in the containing hole (4-1), the outer circumferential surface of the inner extrusion wheel (7) is attached to the inner circumferential surface of the accommodating hole (4-1), an accommodating opening (7-1) is formed in the inner extrusion wheel (7), the accommodating opening (7-1) is communicated with the material channel (4-2), the inner extrusion wheel (7) and the outer extrusion wheel (4) are coaxially arranged, the inner extrusion wheel (7) and the outer extrusion wheel (4) are driven by a driving mechanism to rotate, and the rotating directions of the inner extrusion wheel (7) and the outer extrusion wheel (4) are opposite.

2. The vertical extruder of claim 1, wherein: the outer extrusion wheel (4) comprises a base wheel (4-3), a plurality of outer extrusion fan blades (4-4) are uniformly distributed on the circumference of the upper surface of the base wheel (4-3), a material channel (4-2) is formed between every two adjacent outer extrusion fan blades (4-4), the inner end faces of the outer extrusion fan blades (4-4) form the inner circumferential face of the accommodating hole (4-1), and gaps are formed between the outer end faces of the outer extrusion fan blades (4-4) and the inner circumferential face of the cylindrical filter screen (3).

3. The vertical extruder of claim 2, wherein: the bottom of the material channel (4-2) is provided with a material guiding opening (4-5), and the material guiding opening (4-5) faces the annular gap (5).

4. The vertical extruder of claim 1, wherein: the inner extrusion wheel (7) comprises a mounting ring (7-2), inner extrusion fan blades (7-3) are fixedly mounted on the mounting ring (7-2), a plurality of inner extrusion fan blades (7-3) are uniformly distributed along the circumference of the central axis of the mounting ring (7-2), an accommodating opening (7-1) is formed between every two adjacent inner extrusion fan blades (7-3), and the inner extrusion fan blades (7-3) are attached to the inner circumferential surface of the accommodating hole (4-1).

5. The vertical extruder of claim 1, wherein: first installation through-hole has been seted up to the axiality on installation section of thick bamboo (2), first axis of rotation (8) are installed to first installation through-hole internal rotation, second installation through-hole has been seted up to first axis of rotation (8) axiality, second axis of rotation (9) are installed to second installation through-hole internal rotation, wheel (4) are extruded outward to the coaxial fixed mounting in upper end of first axis of rotation (8), and the coaxial fixed mounting of lower extreme is first from driving wheel (10), extrude wheel (7) in the coaxial fixed mounting in upper end of second axis of rotation (9), and the coaxial fixed mounting second of lower extreme is from driving wheel (11), actuating mechanism drive second is from driving wheel (11) and second rotation, and first from driving wheel (10) and second from the rotation of driving wheel (11) to opposite.

6. The vertical extruder of claim 1, wherein: the pressing plate (6) is fixedly provided with a hopper (12), and the inner cavity of the hopper (12) is communicated with the accommodating hole (4-1).

7. The vertical extruder of claim 5, wherein: the upper end fixed mounting of first axis of rotation (8) has installation piece (13) that the top is sharp, fixed mounting has scraper blade (14) that prevent the material bridging on installation piece (13), scraper blade (14) and the inner wall laminating of hopper (12).

8. The vertical extruder of claim 6, wherein: fixed mounting has mounting bracket (15) on frame (1), the through-hole has been seted up on mounting bracket (15), installation section of thick bamboo (2) fixed mounting is in the through-hole, clamp plate (6) fixed mounting is in the bottom of hopper (12), clamp plate (6) pass through fastener demountable installation on mounting bracket (15).

9. The vertical extruder of claim 8, wherein: fastener includes screw (16), a plurality of screw holes have been seted up on mounting bracket (15), and is a plurality of the central axis circumference equipartition of through-hole is followed to the screw hole, screw hole internal thread mounting screw (16), it installs pressure strip (17) to rotate on screw (16), clamp plate (6) card is established between mounting bracket (15) and pressure strip (17).

10. The vertical extruder of claim 1, wherein: the lower end of the mounting cylinder (2) is detachably provided with a cover plate (18) which closes the lower port of the through hole.