CN113184568A

CN113184568A - Anti-suspension device for high-purity graphite carbon material bin and using method

Info

Publication number: CN113184568A
Application number: CN202110450448.3A
Authority: CN
Inventors: 王成; 刘江玉
Original assignee: Heilongjiang Bohao Graphite Co ltd
Current assignee: Heilongjiang Bohao Graphite Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-30
Anticipated expiration: 2041-04-25
Also published as: CN113184568B

Abstract

An anti-suspension device for a high-purity graphite carbon material bin and a using method thereof belong to the field of graphite carbon material feeding equipment. Comprises a storage bin, two control devices, two conveying devices and a discharging device; the discharging device is arranged in the bin, and two control devices are symmetrically arranged on two sides of the bin; each conveying device is in sliding fit with the discharging device and the control device; the granary is designed into a straight barrel shape, so that the phenomenon that materials are adhered to the discharge port to influence the discharge speed due to the fact that the materials near the discharge port are extruded mutually is avoided, materials contacting with all positions of the barrel can fall into the conveying groove in the barrel through the spiral groove, and the materials are prevented from being accumulated in the storage bin for a long time and being adhered to the storage bin; each conveying device is also provided with a plurality of material dumping devices which can dump materials to subsequent equipment at different positions after being loaded with materials with certain mass.

Description

Anti-suspension device for high-purity graphite carbon material bin and using method

Technical Field

The invention relates to an anti-suspension device for a high-purity graphite carbon material bin and a using method thereof, belonging to the field of graphite carbon material feeding equipment.

Background

Graphite carbon material is adding man-hour, from the inside ejection of compact through the discharge gate of feed bin, in the in-process of ejection of compact, often can appear because the great adhesion of material humidity is near the discharge gate, lead to the load reduction in the unit interval, and the discharge gate of present most feed bins all establishes to the toper, when leading to not ejection of compact, mutual extrusion between the material, make the material glue on the conical surface of discharge gate, the clearance degree of difficulty has been increased, and the ejection of compact position of feed bin is fixed, when leading to the load big, the material falls on the plane of the follow-up equipment of feed bin under the effect of each other and on the adhesion follow-up equipment after the most likely deformation, therefore it is necessary to improve.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an anti-suspension device for a high-purity graphite carbon material bin and a using method thereof.

The invention achieves the purpose, and adopts the following technical scheme:

a suspension preventing device for a high-purity graphite carbon material bin comprises the bin, two control devices, two conveying devices and a discharging device; the discharging device is arranged in the bin, and two control devices are symmetrically arranged on two sides of the bin; each conveying device is in sliding fit with the discharging device and the control device;

a use method of an anti-hanging device for a high-purity graphite carbon material bin comprises the following steps:

1) starting the motor clockwise, driving the cylinder to rotate by the motor, and enabling the materials to fall into a conveying groove in the cylinder through the spiral groove II and the spiral groove III;

2) when the conveying trough positioned in the cylinder is fully loaded, the conveying trough stretches the spring under the action of gravity and moves downwards, so that the round rod at the lower end of the conveying trough is matched with the spiral groove II;

3) the motor continues to drive the cylinder to rotate, the cylinder drives the two conveying grooves to move through the spiral groove II until the shaft lever of the conveying groove moving from the inside of the cylinder to the outside of the cylinder moves into the circular hole III, the clamping block moves into the spiral groove I, the conveying groove is driven to turn over by 180 degrees through the shaft lever under the action of the spiral groove I, and the motor is turned off after the conveying groove turns over;

4) the slide plate in the conveying groove after being turned over moves downwards to push out the materials in the conveying groove;

5) and then starting the motor reversely, and repeating the operation of the steps 1-4.

Compared with the prior art, the invention has the beneficial effects that: the granary is designed into a straight barrel shape, so that the phenomenon that materials are adhered to the discharge port to influence the discharge speed due to mutual extrusion of the materials near the discharge port is avoided, and the materials in contact with all positions of the barrel can fall into the conveying groove in the barrel through the spiral groove by the spiral groove on the barrel, so that the materials are prevented from being accumulated in the storage bin for a long time and being adhered to the storage bin; the material can be emptyd to the position of difference to the follow-up equipment in still having every conveyor and loading the material of certain quality, avoid only exporting a large amount of materials simultaneously from a discharge gate, and when a large amount of materials were on the plane of follow-up equipment, the material that the interaction force of material can drop earlier extrudees the department of falling, leads to the material adhesion on the point of falling of follow-up equipment, increases workman's clearance time, extravagant manpower.

Drawings

FIG. 1 is a front view of an anti-hang device for a high purity graphite carbon material bin of the present invention;

FIG. 2 is a front view of a bin of a high purity graphite carbon material bin anti-hang device of the present invention;

FIG. 3 is a side view of a bin of a high purity graphite carbon material bin anti-hang device of the present invention;

FIG. 4 is a front view of a control device of an anti-hang device for a high purity graphite carbon material bin according to the present invention;

FIG. 5 is a front view of a conveying device of the anti-hanging device for the bin of high purity graphite carbon material of the present invention;

FIG. 6 is a front view of a discharge device of an anti-hang device for a high purity graphite carbon material bin according to the present invention;

fig. 7 is a side view of a discharge device of the high-purity graphite carbon material bin suspension preventing device.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in fig. 1 to 7, the present embodiment describes an anti-suspension device for a high-purity graphite carbon material bin, which includes a bin 1, two control devices 2, two conveying devices 3 and a discharging device 4; a discharging device 4 is arranged in the stock bin 1, and two control devices 2 are symmetrically arranged on two sides of the stock bin 1; each conveying device 3 is in sliding fit with the discharging device 4 and the control device 2.

The second embodiment is as follows: as shown in fig. 2 and 3, the present embodiment is further described with respect to the first embodiment, and the storage bin 1 includes a storage bin main body 11, a support 13, a gear 14, a motor 15, and a bottom plate 16; the upper end and the lower end of the bin main body 11 are hollow, a round hole I12 is formed in the outer side of the side wall of the bin main body 11, and a round hole II 17 is formed in the inner side of the side wall of the bin main body 11; the bottom plate 16 is fixedly connected to the bottom end of the bin main body 11 through bolts, the motor 15 is fixedly connected to the upper end of the bottom plate 16 through a support, and a gear 14 is fixedly connected to an output shaft of the motor 15; the side of the bin main body 11 is fixedly connected with a bracket 13.

The third concrete implementation mode: as shown in fig. 4, the present embodiment is a further description of the first embodiment, and each of the control devices 2 includes two baffles 21, a fixed rod 22, a limited block 23, a limited rod 29, a spring 211, a sliding block 212, and a vertical rod 213; a through hole 26 transversely penetrating through the limiting block is formed in the side face of the limiting block 23, a round hole III 25 is formed in one side of the limiting block 23, and a spiral groove I24 is formed in the outer side of the round hole III 25; the fixed rod 22 is in sliding fit with the through hole 26, the two baffles 21 are fixedly connected to the upper end of the fixed rod 22, and the limiting block 23 is located between the two baffles 21; one end of the fixing rod is fixedly connected to the top wall of the through hole 26, and the other end of the fixing rod is fixedly connected to the upper end of the fixing rod 22; the upper end of the fixed rod 22 is also provided with a chute 28; the vertical rod 213 is provided with a transverse through hole I210 and a through hole II 27, the through hole I210 is positioned above the through hole II 27, the upper end of the vertical rod 213 is also provided with a vertical through hole III, the through hole III is communicated with the through hole I210, the upper end of the sliding block 212 is fixedly connected with a limiting rod 29, the upper end of the sliding block 212 is fixedly connected with a spring 211, the spring 211 is sleeved on the limiting rod 29, and the limiting rod 29 is in sliding fit with the through hole III; the fixed rod 22 is in sliding fit with the through hole I210, and the sliding block 212 is in sliding fit with the sliding groove 28; one end of the fixing rod 22 far away from the limiting block 23 is fixedly connected to the side face of the bin main body 11, and the fixing rod 22 is located at the upper end of the round hole I12. The control device 2 has the effects that after the shaft lever 31 is contacted with the rest limiting blocks 23, the shaft lever can be turned over and materials can be unloaded from the conveying groove 34, manual control is reduced, and manpower is saved.

The fourth concrete implementation mode: as shown in fig. 5, the present embodiment is further described with respect to the first embodiment, and each of the conveying devices 3 includes a shaft 31, a block 32, a plurality of round rods 33, a conveying groove 34, two rectangular rods 35, a sliding plate 36, two blocks 37, and a connecting rod 38; one side of the conveying groove 34 is fixedly connected with a shaft rod 31, a clamping block 32 is fixedly connected to the outer circular surface of the shaft rod 31, a plurality of round rods 33 are uniformly distributed at the lower end of the conveying groove 34, two rectangular rods 35 are fixedly connected to the bottom end of the conveying groove 34, and a corresponding clamping block 37 is fixedly connected to the upper end of each rectangular rod 35; the sliding plate 36 is in sliding fit with the two rectangular rods 35; the opposite surfaces of the conveying grooves 34 on the two conveying devices 3 are respectively provided with a connecting groove and a connecting rod 38, and the connecting rod 38 on the side surface of one conveying groove 34 is connected in the connecting groove on the side surface of the other conveying groove through a bearing; each shaft lever 31 is connected in the corresponding through hole II 27 through a bearing, and each shaft lever 31 is in sliding fit with the corresponding round hole III 25; each clamping block 32 is in sliding fit with the corresponding spiral groove I24. The two conveying devices 3 are matched through the connecting rod 38 and can rotate relatively, when one conveying groove 34 receives materials, the other conveying groove 34 can move the cylinder 41 to discharge materials, the working efficiency is improved, the position of the conveying groove 34 can be adjusted through rotation of the cylinder 41, manpower is saved, and time is saved.

The fifth concrete implementation mode: as shown in fig. 6 and 7, the present embodiment is further described with respect to the first embodiment, and the discharging device 4 includes a cylinder 41; the inner wall of the cylinder 41 is provided with a spiral groove II 43, the outer wall of the cylinder 41 is provided with a spiral groove III 42, the spiral groove II 43 and the spiral groove III 42 are communicated with each other, the communicated spiral groove II 43 and the communicated spiral groove III 42 penetrate through the side wall of the cylinder 41, and two ends of the spiral groove II 43 also penetrate through two end faces of the cylinder 41; two ends of the cylinder 41 are connected in the round hole II 17 through bearings, and the inner diameter of the cylinder 41 is smaller than the diameter of the round hole I12; any one of the transport troughs 34 is disposed within a cylinder 41; the outer circumferential surface of the cylinder 41 is provided with a tooth socket, and the cylinder 41 is engaged with the gear 14 through the tooth socket. The spiral groove II 43 and the spiral groove III 42 of the cylinder 41 are communicated and used for enabling materials to pass through the cylinder 41 to enter the conveying groove 43, the spiral groove II 43 penetrates through two ends of the cylinder 41, the spiral groove II 43 can be in sliding fit with the round rod 33 at two ends of the cylinder 41, and the round rod 33 is prevented from being clamped to influence use of the device.

The sixth specific implementation mode: as shown in fig. 6 and 7, in the present embodiment, as a further description of the first embodiment, when the conveying groove 34 in the cylinder 41 is empty, a gap is left between the round rod 33 and the spiral groove ii 43. Avoiding the rotation of the cylinder 41 with the rotation of the trough 34 when empty.

The seventh embodiment: as shown in fig. 6 and 7, in this embodiment, which is a further description of the first embodiment, when the conveying trough 34 located in the cylinder 41 is fully loaded, the round rod 33 is located in the spiral groove ii 43, and the round rod 33 is in sliding fit with the spiral groove ii 43. It is avoided that the trough 34, when fully loaded, remains stationary in the drum 41, resulting in an excessive accumulation of material in the drum 41.

The specific implementation mode is eight: as shown in fig. 1 to 7, the present embodiment describes a method for using an anti-hanging device for a high-purity graphite carbon material bin, the method includes the following steps:

1) starting the motor 15 clockwise, wherein the motor 15 drives the cylinder 41 to rotate, and the materials fall into the conveying groove 34 in the cylinder 41 through the spiral groove II 43 and the spiral groove III 42;

2) when the conveying trough 34 located inside the cylinder 41 is fully loaded, the conveying trough 34 stretches the spring 211 under the action of gravity and moves downwards, so that the round rod 33 at the lower end of the conveying trough 34 is matched with the spiral groove II 43;

3) the motor 15 continues to drive the cylinder 41 to rotate, the cylinder 41 drives the two conveying grooves 34 to move through the spiral groove II 43 until the shaft rod 31 of the conveying groove 34 moving from the inside of the cylinder 41 to the outside of the cylinder 41 moves into the circular hole III 25, the clamping block 32 moves into the spiral groove I24, the conveying groove 34 is driven to overturn by 180 degrees through the shaft rod 31 under the action of the spiral groove I24, and the motor 15 is turned off after the conveying groove 34 overturns;

4) the sliding plate 36 in the conveying groove 34 after overturning moves downwards to push out the materials in the conveying groove 34;

5) the motor 15 is then started in reverse and the operations of steps 1-4 are repeated.

The working principle of the invention is as follows: when the device is used, the motor 15 is started to rotate the motor 15 clockwise, the motor 15 drives the gear 14 to rotate, the gear 14 drives the cylinder 41 to rotate through the tooth socket, when the cylinder 41 rotates, the mutually communicated spiral groove II 43 and the spiral groove II 42 on the cylinder 41 enable materials close to each position at the upper end of the cylinder 41 to pass through the cylinder 41 and fall into the conveying groove 34, the conveying groove 34 in the cylinder 41 continuously moves downwards along with the increase of the weight of the materials in the conveying groove 34 until the round rod 33 at the lower end of the conveying groove 34 is positioned in the spiral groove II 43, the conveying groove 34 drives the shaft rod 31 to move downwards, the vertical rod 213 is further driven to move downwards, the spring 211 is compressed, at the moment, the cylinder 41 rotates, the conveying groove 34 is driven to move transversely through the spiral groove II 43 and the round rod 33, and in the process that the conveying groove 34 moves out of the cylinder 41, the other conveying groove 34 is matched with the spiral groove II 43 in the cylinder 41 through the round rod 33 at the lower end, after the conveying groove 34 for loading the materials completely moves out of the cylinder 41, the shaft lever 31 on the side surface slides into the round hole III 25, the clamping block 32 moves into the spiral groove I24, because the cross sections of the through hole 26 on the limiting block 23 and the fixed rod 22 are both rectangular, the limiting block 23 cannot rotate relative to the fixed rod 22, therefore, after the clamping block 32 moves into the spiral groove I24, the clamping block 32 rotates along the spiral groove I24, further the shaft lever 31 is driven to rotate, the shaft lever 31 drives the conveying groove 34 loaded with the materials to rotate 180 degrees, so that the opening of the conveying groove 34 faces downwards, then the sliding plate 36 moves downwards under the action of self gravity, the materials in the conveying groove 34 are pushed to move downwards, after the sliding plate 36 contacts with the clamping block 37, the sliding plate 36 stops moving suddenly, the materials continue to move downwards under the action of inertia, the probability of the materials adhering to the sliding plate 36 is reduced, and after the materials are separated from the conveying groove 34, under the action of the spring 211, the vertical rod 213, the shaft rod 31 and the conveying groove 34 are driven to move upwards, and then the conveying groove 34 in the cylinder 41 is driven to move upwards through the connecting rod 38, so that the round rod 33 is separated from the spiral groove II 43, and when the conveying groove 34 moves upwards, the limiting block 23 connected with the shaft rod 31 is driven to move upwards; then the motor 15 is started reversely, the motor 15 rotates again, the conveying groove 34 located in the cylinder 41 at present is fully stored according to the mode, then the cylinder 41 pushes the conveying groove 34 to move towards the other direction through the spiral groove II 43, the original conveying groove 34 is further driven into the cylinder 41 again, when the original conveying groove 34 is separated from the limiting block 23, the opening of the original conveying groove is enabled to face upwards again under the action of the spiral groove I24 for collecting materials, and the process is circulated; the cylinder 41 is tangent to the inner wall of the bin main body 11, so that the leakage of materials from a gap between the cylinder 41 and the bin main body 11 is avoided, the materials discharged from the narrow space of the inner walls of the cylinder 41 and the bin main body 11 are continuously subjected to downward extrusion force of the materials above the cylinder, and when the materials in the narrow space meet the spiral grooves II 43 and III 42, the materials pass through the cylinder 41 under the action of the extrusion force of the materials above the spiral grooves and fall into the conveying groove 34, so that the materials can be effectively prevented from being adhered to the inner wall of the bin 1; in the process of switching the two conveying grooves 34 back and forth, partial materials pass through the cylinder 41 and directly fall on the bottom plate 16, after the equipment is closed, the bottom plate 16 can be detached, and the materials at the upper end of the bottom plate are thrown into the storage bin 1 again, so that waste is avoided;

and this device makes the material of fixed quantity drop respectively on the different placement of follow-up equipment through the design of two conveyer troughs 34, and dispersion discharge pressure increases and breaks away from the space between the material behind conveyer trough 34, has avoided a discharge gate to carry a large amount of materials simultaneously, and the front end material that leads to is pressed on the plane of equipment by continuous follow-up material, reduces the work load that the workman need clear up, save time.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a material suspension device is prevented to high-purity graphite carbon material feed bin which characterized in that: comprises a storage bin (1), two control devices (2), two conveying devices (3) and a discharging device (4); a discharging device (4) is arranged in the bin (1), and two control devices (2) are symmetrically arranged on two sides of the bin (1); each conveying device (3) is in sliding fit with the discharging device (4) and the control device (2).

2. The high-purity graphite carbon material bin suspension preventing device of claim 1, which is characterized in that: the storage bin (1) comprises a storage bin main body (11), a support (13), a gear (14), a motor (15) and a bottom plate (16); the upper end and the lower end of the bin main body (11) are hollow, a round hole I (12) is formed in the outer side of the side wall of the bin main body (11), and a round hole II (17) is formed in the inner side of the side wall of the bin main body (11); the bottom plate (16) is fixedly connected to the bottom end of the bin main body (11) through bolts, the motor (15) is fixedly connected to the upper end of the bottom plate (16) through a support, and an output shaft of the motor (15) is fixedly connected with a gear (14); the side face of the bin main body (11) is fixedly connected with a support (13).

3. The high-purity graphite carbon material bin suspension preventing device as claimed in claim 2, is characterized in that: each control device (2) comprises two baffles (21), a fixed rod (22), a limit block (23), a limit rod (29), a spring (211), a sliding block (212) and a vertical rod (213); a through hole (26) transversely penetrating through the limiting block is formed in the side face of the limiting block (23), a round hole III (25) is formed in one side of the limiting block (23), and a spiral groove I (24) is formed in the outer side of the round hole III (25); the fixing rod (22) is in sliding fit with the through hole (26), the upper end of the fixing rod (22) is fixedly connected with two baffles (21), and the limiting block (23) is positioned between the two baffles (21); one end of the connecting rod is fixedly connected to the top wall of the through hole (26), and the other end of the connecting rod is fixedly connected to the upper end of the fixing rod (22); the upper end of the fixed rod (22) is also provided with a sliding chute (28); the vertical rod (213) is provided with a transverse through hole I (210) and a through hole II (27), the through hole I (210) is positioned above the through hole II (27), the upper end of the vertical rod (213) is also provided with a vertical through hole III, the through hole III is communicated with the through hole I (210), the upper end of the sliding block (212) is fixedly connected with a limiting rod (29), the upper end of the sliding block (212) is fixedly connected with a spring (211), the spring (211) is sleeved on the limiting rod (29), and the limiting rod (29) is in sliding fit with the through hole III; the fixed rod (22) is in sliding fit with the through hole I (210), and the sliding block (212) is in sliding fit with the sliding groove (28); one end of the fixing rod (22) far away from the limiting block (23) is fixedly connected to the side face of the bin main body (11), and the fixing rod (22) is located at the upper end of the round hole I (12).

4. The high-purity graphite carbon material bin suspension preventing device as claimed in claim 2, is characterized in that: each conveying device (3) comprises a shaft rod (31), a clamping block (32), a plurality of round rods (33), a conveying groove (34), two rectangular rods (35), a sliding plate (36), two clamping blocks (37) and a connecting rod (38); one side of the conveying groove (34) is fixedly connected with a shaft rod (31), a clamping block (32) is fixedly connected to the outer circular surface of the shaft rod (31), a plurality of round rods (33) are uniformly distributed at the lower end of the conveying groove (34), two rectangular rods (35) are fixedly connected to the bottom end of the inner part of the conveying groove (34), and a corresponding clamping block (37) is fixedly connected to the upper end of each rectangular rod (35); the sliding plate (36) is in sliding fit with the two rectangular rods (35); the opposite surfaces of the conveying grooves (34) on the two conveying devices (3) are respectively provided with a connecting groove and a connecting rod (38), and the connecting rod (38) on the side surface of one conveying groove (34) is connected into the connecting groove on the side surface of the other conveying groove through a bearing; each shaft lever (31) is connected in the corresponding through hole II (27) through a bearing, and the shaft lever (31) is in sliding fit with the corresponding round hole III (25); each clamping block (32) is in sliding fit with the corresponding spiral groove I (24).

5. The high-purity graphite carbon material bin suspension preventing device of claim 1, which is characterized in that: the discharge device (4) comprises a cylinder (41); a spiral groove II (43) is formed in the inner wall of the cylinder (41), a spiral groove III (42) is formed in the outer wall of the cylinder (41), the spiral groove II (43) and the spiral groove III (42) are communicated with each other, the communicated spiral groove II (43) and the communicated spiral groove III (42) penetrate through the side wall of the cylinder (41), and two ends of the spiral groove II (43) also penetrate through two end faces of the cylinder (41); two ends of the cylinder (41) are connected in the round hole II (17) through bearings, and the inner diameter of the cylinder (41) is smaller than the diameter of the round hole I (12); any one of the conveying grooves (34) is arranged in the cylinder (41); tooth grooves are formed in the outer circular surface of the cylinder (41), and the cylinder (41) is meshed with the gear (14) through the tooth grooves.

6. The high-purity graphite carbon material bin suspension preventing device as claimed in claim 5, is characterized in that: when the conveying groove (34) in the cylinder (41) is unloaded, a gap is left between the round rod (33) and the spiral groove II (43).

7. The high-purity graphite carbon material bin suspension preventing device as claimed in claim 6, is characterized in that: when the conveying groove (34) in the cylinder (41) is fully loaded, the round rod (33) is positioned in the spiral groove II (43), and the round rod (33) is in sliding fit with the spiral groove II (43).

8. The use method of the high-purity graphite carbon material bin suspension preventing device according to any one of claims 1 to 7, is characterized in that: the using method comprises the following steps:

1) the motor (15) is started clockwise, the motor (15) drives the cylinder (41) to rotate, and materials fall into the conveying groove (34) in the cylinder (41) through the spiral groove II (43) and the spiral groove III (42);

2) when the conveying groove (34) positioned in the cylinder (41) is fully loaded, the conveying groove (34) stretches the spring (211) under the action of gravity and moves downwards, so that the round rod (33) at the lower end of the conveying groove (34) is matched with the spiral groove II (43);

3) the motor (15) continues to drive the cylinder (41) to rotate, the cylinder (41) drives the two conveying grooves (34) to move through the spiral groove II (43) until the shaft lever (31) of the conveying groove (34) moving from the inside of the cylinder (41) to the outside of the cylinder (41) moves into the round hole III (25), the clamping block (32) moves into the spiral groove I (24), the conveying groove (34) is driven to turn over for 180 degrees through the shaft lever (31) under the action of the spiral groove I (24), and the motor (15) is closed after the conveying groove (34) turns over;

4) the sliding plate (36) in the reversed conveying groove (34) moves downwards to push out the materials in the conveying groove (34);

5) the motor (15) is then started in reverse and the operation of steps 1-4 is repeated.