阅读说明：本技术 一种薄膜生产的高效挤出机 (High-efficient extruder of film production ) 是由 顾国才 于 2020-05-21 设计创作，主要内容包括：本发明公开了一种薄膜生产的高效挤出机,涉及薄膜生产技术领域；为了解决受热不均匀问题；具体包括底座,所述底座顶部外壁通过螺栓固定有四个支腿,其中两个支腿的外壁通过螺栓固定有第一挤压壳,另外两个支腿的外壁通过螺栓固定有第二挤压壳,第二挤压壳与第一挤压壳通过疏松壳体固定连接,第二挤压壳、疏松壳体与第一挤压壳内部设置有二级挤压机构。本发明通过设置有疏松机构,原料第一次挤压输送至疏松壳体内部时,活动疏松挡块带动原料旋转,旋转时,固定疏松挡块的阻挡作用可对原先挤压密实的原料进行疏松,可以增加原料受热的均匀度,有效的防止局部原料被包裹而未熔化挤出的情况发生,提高了挤出后原料的质量。(The invention discloses a high-efficiency extruder for film production, and relates to the technical field of film production; in order to solve the problem of uneven heating; the novel base is characterized by comprising a base, wherein four supporting legs are fixed on the outer wall of the top of the base through bolts, a first extruding shell is fixed on the outer walls of the two supporting legs through bolts, a second extruding shell is fixed on the outer walls of the other two supporting legs through bolts, the second extruding shell is fixedly connected with the first extruding shell through a loose shell, and a second-stage extruding mechanism is arranged inside the second extruding shell, the loose shell and the first extruding shell. According to the invention, the loosening mechanism is arranged, when the raw material is extruded and conveyed into the loosening shell for the first time, the movable loosening stop block drives the raw material to rotate, and when the raw material is rotated, the stopping effect of the fixed loosening stop block can loosen the raw material which is extruded compactly originally, so that the uniformity of the heated raw material can be increased, the situation that the local raw material is wrapped but not melted and extruded can be effectively prevented, and the quality of the extruded raw material is improved.)

1. A high-efficiency extruder for film production comprises a base (1) and is characterized in that four support legs (2) are fixed on the outer wall of the top of the base (1) through bolts, first extrusion shells (8) are fixed on the outer walls of two support legs (2) through bolts, second extrusion shells (3) are fixed on the outer walls of the other two support legs (2) through bolts, the second extrusion shells (3) are fixedly connected with the first extrusion shells (8) through loose shells (5), second extrusion mechanisms are arranged inside the second extrusion shells (3), the loose shells (5) and the first extrusion shells (8), a loosening mechanism is arranged on the inner wall of the loose shells (5), a feeding mechanism is arranged on the outer wall of the top of the first extrusion shells (8), a motor (15) is fixed on the outer wall of the top of the base (1) through bolts, and a transmission mechanism is connected with an output shaft of the motor (15), the outer walls of the second extrusion shell (3), the loosening shell (5) and the first extrusion shell (8) are provided with heating sheets, and the second-stage extrusion mechanism is in power connection with the feeding mechanism through a transmission mechanism.

2. A high efficiency extruder for the production of thin films as claimed in claim 1 wherein the second extrusion shell (3) has a smaller internal diameter than the first extrusion shell (8).

3. A high efficiency extruder for the production of films as claimed in claim 1 wherein the cross section of said porous shell (5) is trapezoidal.

4. The efficient extruder for producing the thin film according to claim 1, wherein the feeding mechanism comprises a feeding hopper (6), stirring rods (16) and feeding blades (17), the feeding hopper (6) is welded on the outer wall of the top of the first extrusion shell (8), a top cover (28) is fixed on the outer wall of the top of the feeding hopper (6) through bolts, the inner wall of the top cover (28) is rotatably connected with a feeding shaft (25), more than two groups of stirring rods (16) are welded on the outer wall of the feeding shaft (25), the feeding blades (17) are welded on the outer wall of the feeding shaft (25), and a feeding hole (27) is formed in the inner wall of the top cover (28).

5. A high efficiency extruder for producing thin films as claimed in claim 4, wherein the maximum outer diameter of the feed inlet (27) is slightly smaller than the inner diameter of the feed hopper (6) at the position of the feed hopper (6).

6. A high efficiency extruder for producing a film as set forth in claim 1, the two-stage extrusion mechanism comprises a second extrusion blade (19), a first extrusion blade (21) and a baffle (30), a side cover (10) is fixedly installed on the outer wall of one side of a first extrusion shell (8), the inner wall of the side cover (10) is rotatably connected with a main shaft (11), the second extrusion blade (19) and the first extrusion blade (21) are both welded on the outer wall of the main shaft (11), a hinged block (4) is welded on the outer wall of the top of the second extrusion shell (3), three protruding lugs (29) are integrally formed on the outer wall of the baffle (30), one of the convex lugs (29) is hinged and fixed with the hinge block (4), the outer walls of two sides of the second extrusion shell (3) are rotatably connected with a connecting block (32) through a hinge shaft (31), and the outer wall of the opposite side of the connecting block (32) and the convex lug (29) is buckled with the same spring (33).

7. A high efficiency extruder for producing thin films as claimed in claim 6, wherein the baffles (30) are provided with flow channels (34) on the inner wall thereof at equal intervals.

8. A high efficiency extruder for the production of film as claimed in claim 1, wherein said loosening means comprises a fixed loosening stop (18) and a movable loosening stop (20), more than two fixed loosening stops (18) being welded to the inner wall of the loosening housing (5), and the movable loosening stop (20) being welded to the outer wall of the main shaft (11).

9. A high efficiency extruder for the production of films as claimed in claim 8, wherein said movable loose stops (20) are arranged in two groups and the number of movable loose stops (20) in each group is more than four, and the fixed loose stop (18) is located between the two groups of movable loose stops (20).

10. The efficient extruder for producing the thin film according to claim 1, wherein the transmission mechanism comprises a first belt (9), a second belt (14) and a connecting shaft (22), the outer wall of the feeding shaft (25) is connected with a second bevel gear (26) through a member, the outer wall of the top cover (28) is fixed with a supporting block (23) through a bolt, the connecting shaft (22) is rotatably connected to the inner wall of the supporting block (23), the outer walls of two sides of the supporting block (23) are respectively connected with a first bevel gear (24) and a first belt wheel (7) through keys, the first bevel gear (24) and the second bevel gear (26) are mutually meshed, the outer wall of the main shaft (11) is connected with a second belt wheel (12) through a key, the output shaft of the motor (15) is connected with a third belt wheel (13) through a key, and the second belt wheel (12) is respectively connected with the first belt wheel (7) through the first belt (9, The third belt wheel (13) forms a transmission fit.

Technical Field

The invention relates to the technical field of film production, in particular to a high-efficiency extruder for film production.

Background

An extruder is a common device used in film production, and the working principle of the extruder is that plastic materials enter the extruder from a hopper and are conveyed forward under the drive of the rotation of a screw. During the forward movement of the material, the material is heated by the charging barrel and is molten by the shearing and compression action of the screw, so that the change among three states of glass state, high elastic state and viscous state is realized

Through the retrieval, chinese patent publication is the first extrusion shell (8) 827 feeder hopper (6) 1U's of CN2 patent, discloses an extruder for film production, the novel nipple rectifier comprises a cylindrical shel, the barrel includes conveyer pipe, compression pipe and discharging pipe, conveyer pipe and compression pipe communicate each other, the one end and the discharging pipe intercommunication each other of conveyer pipe are kept away from to the compression pipe, the internal diameter that the compression pipe is close to conveyer pipe one end is greater than the internal diameter that the compression pipe is close to discharging pipe one end, all install the heating pipe on the lateral wall of compression pipe and discharging pipe, install the hopper on the roof that compression pipe one end was kept away from to the conveyer pipe, the workbin is installed on the top of hopper, one side that the compression pipe was kept away from to the conveyer pipe is equipped with the motor, the inside of conveyer pipe. The above patents suffer from the following disadvantages: its heating device sets up in the barrel outside, heats through the heat transfer, and during the heat transfer, presses close to the raw materials of barrel and melts earlier, then through the extrusion force compaction, and at this moment, the raw materials far away from the barrel probably has not arrived melting temperature, just has been lived by the raw materials parcel of melting, makes it can not be fully heated, leads to whole raw materials to be heated inhomogeneous, influences the quality of extruding back raw materials.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-efficiency extruder for producing films.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high-efficient extruder of film production, the on-line screen storage device comprises a base, base top outer wall has four landing legs through the bolt fastening, wherein the outer wall of two landing legs has first extrusion shell through the bolt fastening, the outer wall of two other landing legs has second extrusion shell through the bolt fastening, second extrusion shell and first extrusion shell are through loose casing fixed connection, second extrusion shell, loose casing and the inside second grade extrusion mechanism that is provided with of first extrusion shell, the inner wall of loose casing is provided with loose mechanism, the top outer wall of first extrusion shell is provided with feed mechanism, the top outer wall of base has the motor through the bolt fastening, the output shaft transmission of motor is connected with drive mechanism, second extrusion shell, the outer wall of loose casing and first extrusion shell all is provided with the heating plate, second grade extrusion mechanism passes through drive mechanism power with feed mechanism and is connected.

Preferably: the second crush can has an inner diameter less than the inner diameter of the first crush can.

Further: the section of the loose shell is trapezoidal.

On the basis of the scheme: feed mechanism includes feeder hopper, puddler and feeding vane, the feeder hopper welds on the top outer wall of first extrusion shell, and the top outer wall of feeder hopper has the top cap through the bolt fastening, and the inner wall of top cap rotates and is connected with the pay-off axle, and the puddler more than two sets of welds on the outer wall of pay-off axle, and feeding vane welds on the outer wall of pay-off axle, and the feed inlet has been seted up to the inner wall of top cap.

The better scheme in the scheme is as follows: the maximum outer diameter of the feed inlet is slightly smaller than the inner diameter of the feed hopper at the position of the feed hopper.

As a further scheme of the invention: second grade extrusion mechanism includes second extrusion blade, first extrusion blade and baffle, one side outer wall fixed mounting of first extrusion shell has the side cap, the inner wall of side cap rotates and is connected with the main shaft, second extrusion blade all welds on the outer wall of main shaft with first extrusion blade, the welding of the top outer wall of second extrusion shell has articulated piece, the outer wall integrated into one piece of baffle has three protrusion ear, one of them protrusion ear is articulated fixed with articulated piece, the both sides outer wall of second extrusion shell rotates through the articulated shaft and is connected with the connecting block, the connecting block has same spring with the relative one side outer wall lock joint of protrusion ear.

Meanwhile, the inner wall of the baffle is provided with equidistant diversion trenches.

As a preferable aspect of the present invention: the loosening mechanism comprises a fixed loosening stop block and a movable loosening stop block, more than two fixed loosening stop blocks are welded on the inner wall of the loosening shell, and the movable loosening stop block is welded on the outer wall of the main shaft.

Meanwhile, the movable loosening stop blocks are arranged in two groups, the number of the movable loosening stop blocks in each group is more than four, and the fixed loosening stop blocks are located between the two groups of the movable loosening stop blocks.

As a more preferable scheme of the invention: the transmission mechanism comprises a first belt, a second belt and a connecting shaft, the outer wall of the feeding shaft is connected with a second bevel gear through a piece, the outer wall of the top cover is fixedly provided with a supporting block through a bolt, the connecting shaft is connected to the inner wall of the supporting block in a rotating mode, the outer walls of the two sides of the supporting block are respectively connected with a first bevel gear and a first belt wheel through keys, the first bevel gear and the second bevel gear are meshed with each other, the outer wall of the main shaft is connected with a second belt wheel through a key, the output shaft of the motor is connected with a third belt wheel through a key, and the second belt wheel is in transmission fit with the first belt wheel and the.

The invention has the beneficial effects that:

1. according to the invention, the loosening mechanism is arranged, when the raw material is extruded and conveyed into the loosening shell for the first time, the movable loosening stop block drives the raw material to rotate, and when the raw material is rotated, the raw material which is originally extruded and compacted can be loosened by the blocking effect of the fixed loosening stop block, so that the heating uniformity of the raw material can be increased, the situation that the local raw material is wrapped but not melted and extruded can be effectively prevented, and the quality of the extruded raw material is improved.

2. According to the invention, the flow is optimized, the extrusion-loosening-extrusion flow is set, and the raw material is extruded for the second time, so that the density of the extruded raw material can be improved to a great extent, and the quality is further improved.

3. According to the invention, by arranging the stirring rod, as the variety of the raw materials can be more than one, when the raw materials are fed, the raw materials are fed from the feed inlet, and the stirring rod can break up and mix the raw materials, so that the uniformity of the extruded and mixed raw materials is ensured.

4. According to the invention, the feeding blade is arranged, so that raw materials can enter the first extrusion shell to be extruded through the rotation of the feeding blade, and in addition, the raw material entering speed can be controlled through adjusting the rotating speed of the feeding shaft, so that the entering speed of the raw materials in the first extrusion shell is controlled, and the internal blockage caused by excessive raw material input or low raw material input and low extrusion efficiency are prevented.

5. According to the invention, the baffle is in an inclined state when being extruded by the guide groove, the acting force on the raw material is inclined downwards, and the raw material is discharged along the inner wall of the guide groove due to the downward component force of the acting force, so that the guidance and smoothness of discharging the raw material are ensured, and the blockage of the raw material is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a high-efficiency extruder for film production according to the present invention;

FIG. 2 is a schematic view of the internal structure of a feed hopper of a high-efficiency extruder for film production according to the present invention;

FIG. 3 is a schematic view of a high-efficiency extruder for producing a thin film according to the present invention, partially in cross section;

FIG. 4 is an enlarged schematic view of B of a high-efficiency extruder for film production according to the present invention;

FIG. 5 is an enlarged schematic view of the structure A of a high-efficiency extruder for film production according to the present invention;

FIG. 6 is a schematic view of the baffle structure of a high-efficiency extruder for film production according to the present invention;

in the figure: 1-base, 2-supporting leg, 3-second extrusion shell, 4-hinged block, 5-loose shell, 6-feed hopper, 7-first belt wheel, 8-first extrusion shell, 9-first belt, 10-side cover, 11-main shaft, 12-second belt wheel, 13-third belt wheel, 14-second belt, 15-motor, 16-stirring rod, 17-feeding blade, 18-fixed loose block, 19-second extrusion blade, 20-movable loose block, 21-first extrusion blade, 22-connecting shaft, 23-supporting block, 24-first bevel gear, 25-feeding shaft, 26-second bevel gear, 27-feed inlet, 28-top cover, 29-protruding lug, 30-baffle plate, 31-articulated shaft, 32-connecting block, 33-spring and 34-diversion groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A high-efficiency extruder for film production is shown in figure 1 and comprises a base 1, four support legs 2 are fixed on the outer wall of the top of the base 1 through bolts, first extrusion shells 8 are fixed on the outer walls of the two support legs 2 through bolts, second extrusion shells 3 are fixed on the outer walls of the other two support legs 2 through bolts, the second extrusion shells 3 are fixedly connected with the first extrusion shells 8 through loose shells 5, second extrusion shells 3, the loose shells 5 and the first extrusion shells 8 are internally provided with a second-stage extrusion mechanism, the inner wall of the loose shell 5 is provided with a loose mechanism, the outer wall of the top of the first extrusion shell 8 is provided with a feeding mechanism, the outer wall of the top of the base 1 is fixed with a motor 15 through bolts, an output shaft of the motor 15 is in transmission connection with a transmission mechanism, heating sheets are arranged on the outer walls of the second extrusion shells 3, the loose shells 5 and the first extrusion shells 8, the second-stage extrusion mechanism is in power connection with the feeding mechanism through a transmission mechanism, the inner diameter of the second extrusion shell 3 is smaller than that of the first extrusion shell 8, and the section of the loosening shell 5 is trapezoidal; this device is provided with second grade extrusion mechanism, can carry out the second grade extrusion to the raw materials, and the raw materials quality of extruding after melting the extrusion is more reliable to be provided with loose step between extrusion and the second time for the first time, can increase the degree of consistency that the raw materials was heated, the effectual local raw materials that prevents is wrapped up and the condition emergence of not melting the extrusion, has improved the quality of extruding the back raw materials.

In order to solve the problems of raw material mixing and quantitative conveying; as shown in fig. 1, 2 and 4, the feeding mechanism includes a feeding hopper 6, a stirring rod 16 and a feeding blade 17, the feeding hopper 6 is welded on the outer wall of the top of the first extrusion shell 8, a top cover 28 is fixed on the outer wall of the top of the feeding hopper 6 through bolts, the inner wall of the top cover 28 is rotatably connected with a feeding shaft 25, more than two groups of stirring rods 16 are welded on the outer wall of the feeding shaft 25, the feeding blade 17 is welded on the outer wall of the feeding shaft 25, a feeding hole 27 is formed in the inner wall of the top cover 28, and the maximum outer diameter of the feeding hole 27 is slightly smaller than the inner diameter of the feeding hopper 6 at; when pay-off axle 25 rotates, can drive puddler 16 and feeding blade 17 and rotate, because the kind of raw materials probably is more than one, when throwing the material, drop into multiple raw materials from feed inlet 27, puddler 16 can break up multiple raw materials and mix, guarantee the degree of consistency after its extrusion mixes, feeding blade 17 rotates in addition and can make the raw materials get into and extrude in the first extrusion shell 8, the rotational speed control raw materials entry rate of accessible adjustment pay-off axle 25 in addition, thereby the entry rate of raw materials in the first extrusion shell 8 of control, prevent its inside because of too much jam of raw materials input or the raw materials input amount extrusion inefficiency too little.

In order to solve the problem of extrusion; as shown in fig. 1, 3, 4 and 5, the secondary extrusion mechanism includes a second extrusion blade 19, a first extrusion blade 21 and a baffle 30, a side cover 10 is fixedly mounted on an outer wall of one side of the first extrusion shell 8, an inner wall of the side cover 10 is rotatably connected with a main shaft 11, the second extrusion blade 19 and the first extrusion blade 21 are both welded on an outer wall of the main shaft 11, a hinge block 4 is welded on an outer wall of the top of the second extrusion shell 3, three protruding lugs 29 are integrally formed on an outer wall of the baffle 30, one of the protruding lugs 29 is hinged and fixed with the hinge block 4, two outer walls of two sides of the second extrusion shell 3 are rotatably connected with a connecting block 32 through a hinge shaft 31, and the same spring 33 is buckled on an outer wall of an opposite side of the connecting block 32 and; when the raw materials gets into first extrusion shell 8 inside, main shaft 11 rotates, drive first extrusion blade 21 and second extrusion blade 19 and rotate, first extrusion blade 21 will expect second extrusion shell 3 direction to be carried when rotating, when getting into loose casing 5 inside, because the sectional area reduces, the raw materials carries out the extrusion for the first time, the raw materials after the extrusion for the first time later get into second extrusion shell 3, carry by second extrusion blade 19, when carrying to baffle 30 position, baffle 30 receives the tensile force effect of spring 33, block the raw materials, carry out the extrusion for the second time to the raw materials, and follow-up raw materials continue to carry, the extrusion force increases gradually, baffle 30 is crowded to be opened, the raw materials after the secondary extrusion are discharged.

Aiming at solving the problem of material guiding; as shown in fig. 6, the inner wall of the baffle 30 is provided with guide slots 34 at equal intervals; when the baffle 30 is squeezed open, it is in an inclined state, and the acting force to the raw material is inclined downwards, and the raw material is discharged along the inner wall of the diversion trench 34 due to the downward component force of the acting force, so that the guidance and smoothness of discharging the raw material are ensured, and the blockage is avoided.

In order to solve the problem of uneven heating; as shown in fig. 3, the loosening mechanism includes a fixed loosening stop 18 and a movable loosening stop 20, more than two fixed loosening stops 18 are welded on the inner wall of the loosening housing 5, the movable loosening stops 20 are welded on the outer wall of the main shaft 11, the movable loosening stops 20 are arranged in two groups, the number of each group of movable loosening stops 20 is more than four, the fixed loosening stops 18 are located between the two groups of movable loosening stops 20, when the raw material is extruded and conveyed to the inside of the loosening housing 5 for the first time, the movable loosening stops 20 drive the raw material to rotate, and when the raw material is rotated, the blocking effect of the fixed loosening stops 18 can loosen the raw material which is extruded and compacted originally, so that the raw material which is not melted or not melted completely is exposed, and the secondary heating and extrusion are performed.

In order to solve the transmission problem; as shown in fig. 1 and 4, the transmission mechanism includes a first belt 9, a second belt 14 and a connecting shaft 22, an outer wall of the feeding shaft 25 is connected with a second bevel gear 26 through a member, a supporting block 23 is fixed on an outer wall of the top cover 28 through a bolt, the connecting shaft 22 is rotatably connected to an inner wall of the supporting block 23, outer walls of two sides of the supporting block 23 are respectively connected with a first bevel gear 24 and a first belt pulley 7 through keys, the first bevel gear 24 and the second bevel gear 26 are mutually engaged, an outer wall of the main shaft 11 is connected with a second belt pulley 12 through a key, an output shaft of the motor 15 is connected with a third belt pulley 13 through a key, and the second belt pulley 12 is respectively in transmission fit with the first belt pulley 7 and the third belt pulley 13; when the motor 15 is powered on and started, the main shaft 11 can be driven to rotate through the second belt 14, power sources are provided for the secondary extrusion mechanism and the loosening mechanism, the connecting shaft 22 is driven to rotate through the first belt 9, and the feeding shaft 25 is driven to rotate through the meshing effect of the first bevel gear 24 and the second bevel gear 26, so that the power sources are provided for the feeding mechanism.

In the embodiment, when the motor 15 is powered on and started, the main shaft 11 can be driven to rotate by the second belt 14 to provide a power source for the secondary extrusion mechanism and the loosening mechanism, the first belt 9 drives the connecting shaft 22 to rotate, the feeding shaft 25 is driven to rotate by the meshing action of the first bevel gear 24 and the second bevel gear 26 to provide a power source for the feeding mechanism, when the feeding shaft 25 rotates, the stirring rod 16 and the feeding blades 17 can be driven to rotate, because the types of the raw materials can be more than one, when feeding, a plurality of raw materials are fed from the feeding port 27, the stirring rod 16 can break up and mix a plurality of raw materials to ensure the uniformity of the extruded and mixed raw materials, in addition, the rotation of the feeding blades 17 can enable the raw materials to enter the first extrusion shell 8 to be extruded, and in addition, the raw material entering speed can be controlled by adjusting, thereby controlling the entering speed of the raw material in the first extruding shell 8, when the material enters the first extruding shell 8, the main shaft 11 rotates to drive the first extruding blade 21 and the second extruding blade 19 to rotate, the raw material is conveyed in the direction of the second extruding shell 3 when the first extruding blade 21 rotates, when the material enters the loose shell 5, the raw material is extruded for the first time due to the reduction of the sectional area, then the raw material after the first extrusion enters the second extruding shell 3 and is conveyed by the second extruding blade 19, when the raw material is conveyed to the position of the baffle 30, the baffle 30 receives the pulling force of the spring 33 to block the raw material, the raw material is extruded for the second time, and the subsequent raw material is continuously conveyed, the extruding force is gradually increased, the baffle 30 is extruded, the raw material after the second extrusion is discharged, when the baffle 30 is extruded, the baffle 30 is in an inclined state, the acting force on the raw material is inclined downwards, and the raw material is discharged along the inner wall of the diversion trench 34 due to the downward component force of the raw material, when the raw materials are extruded and conveyed to the interior of the loosening shell 5 for the first time, the movable loosening stop block 20 drives the raw materials to rotate, and when the raw materials are rotated, the blocking effect of the fixed loosening stop block 18 can loosen the original extruded and compacted raw materials.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.