CN114474458A

CN114474458A - Banburying device for producing rubber door seal of washing machine

Info

Publication number: CN114474458A
Application number: CN202111639333.5A
Authority: CN
Inventors: 张文智
Original assignee: Changxin Dingxin Plastic Technology Co ltd
Current assignee: Changxin Dingxin Plastic Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-13
Anticipated expiration: 2041-12-30
Also published as: CN114474458B

Abstract

The invention provides an internal mixing device for producing a rubber door seal of a washing machine, which is characterized by comprising an internal mixing unit; the conveying unit is arranged at the feeding end of the banburying unit; the separation unit is arranged at the discharge end of the banburying unit; the rubber raw materials form a double-layer folded shape after being subjected to centralization treatment in the conveying unit, and then are subjected to up-and-down pressing, left-and-right wave-shaped pressing and front-and-back pressing in sequence at the banburying unit, so that an even distribution state is formed inside the banburying unit, and the banburying unit is led out at the separation unit. After the raw materials are sent to the pressure measuring assembly, the raw materials are pressed by two reciprocating motion pressing mechanisms to form a wavy shape, then the wavy rubber raw materials are pressed and molded by the main roller assembly, the rubber with uneven distribution on two sides is centralized to the center for molding treatment, and the banburying is uniform.

Description

Banburying device for producing rubber door seal of washing machine

Technical Field

The invention relates to the technical field of rubber banburying, in particular to a banburying device for producing a rubber door seal of a washing machine.

Background

The sealing ring of the washing machine is usually made of rubber materials, and during the processing of the rubber of the sealing ring, the rubber is usually required to be subjected to banburying, and then the banburied rubber is sequentially subjected to cooling and extrusion forming to form the sealing ring, wherein the banburying mainly comprises the step of fully and uniformly distributing rubber molecules in the rubber materials, so that the unstable stress distribution in the manufactured sealing ring is prevented.

Chinese patent CN 113492433B discloses a rubber processing roller press with semi-automatic cleaning function. The inside of main frame is rotated and is provided with cleaning roller subassembly, cleaning roller subassembly's inside is provided with supplementary commentaries on classics roller, change the roller through supplementary and carry out supplementary ejection of compact with the rubber of processing, drive cylinder drive on through cleaning roller subassembly, laminate the surface of the clean peg on the arc clamp splice and cleaning roller subassembly mutually, clean peg cleans, after processing, the drive cylinder shrink, it rotates the perk to rotate, clean peg breaks away from its surface, the easy residual rubber spare on the commentaries on classics roller after having solved its rubber processing cutting, and then the rubber waste material that causes to remain in follow-up rubber processing can mix, influence the fashioned problem of whole rubber product.

However, in the technical scheme, the phenomenon that the two ends of the rubber which are pressed are unevenly distributed in the banburying process results in uneven stress distribution in the subsequent rubber products, which affects the service life of the product.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an internal mixing device for producing a rubber door seal of a washing machine.

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

the utility model provides a banburying device of washing machine rubber door seal production usefulness which characterized in that includes:

an internal mixing unit;

the conveying unit is arranged at the feeding end of the banburying unit;

the separation unit is arranged at the discharge end of the internal mixing unit;

the rubber raw materials form a double-layer folded shape after being subjected to centralization treatment in the conveying unit, and then are subjected to up-and-down pressing, left-and-right wave-shaped pressing and front-and-back pressing in sequence at the banburying unit, so that an even distribution state is formed inside the banburying unit, and the banburying unit is led out at the separation unit.

As an improvement, the banburying unit comprises:

a pressure measuring assembly;

the main roller assembly is positioned at the lower part of the load cell assembly;

a slave roller assembly located above the load cell assembly.

As an improvement, the load cell assembly includes:

the two groups of baffles are arranged in parallel;

the middle pressing mechanism is arranged between the two groups of baffles in a sliding manner;

the connecting rod is connected to the upper part of the middle pressing mechanism;

the rotary roller is rotatably arranged in the machine body;

the connecting rod is L-shaped, and the bottom of the connecting rod is provided with a push block matched with the rotary roller.

As an improvement, two groups of the middle pressing mechanism are arranged in opposite directions, and the two groups of opposite surfaces are provided with teeth which are arranged in a staggered manner;

the middle pressing mechanism is in a T shape;

the outer side of the rotary roller is provided with reciprocating rails which are arranged in two groups side by side and have opposite rotating directions.

As a refinement, the slave roller assembly comprises:

a third roller;

the fourth roller is positioned at the lower part of the third roller, and a gap is formed between the fourth roller and the third roller;

the main roller assembly includes:

a first roller;

the second roller is arranged at the rear part of the first roller;

the third roller and the fourth roller are arranged in parallel along the vertical direction;

the first roller and the second roller are arranged in parallel along the horizontal direction.

As an improvement, the conveying unit includes:

a delivery conduit, the delivery conduit being arcuate in shape;

the forming mechanism is arranged at the discharge end of the conveying pipeline;

a conveying area and a storage area which is positioned at the tail part of the conveying area and used for caching rubber raw materials are arranged in the conveying pipeline;

the storage area is arranged in an inverted mode, the opening of the storage area faces downwards, and a first transfer mechanism used for transferring the rubber raw materials is rotatably connected to the opening of the storage area;

and the joint of the storage area and the conveying area is rotatably connected with a second transfer mechanism.

As an improvement, a guide groove for intensively superposing rubber raw materials is arranged in the forming mechanism, and the forming mechanism is in a trapezoidal shape;

the discharge port of the forming mechanism and the driven roller assembly are positioned on the same horizontal plane.

As a refinement, the separation unit comprises:

the discharging plate is in a two-section type, the left section is inclined, and the right end is horizontal;

the adjusting mechanism is arranged at the upper end of the discharging plate;

the conveying plate is arranged on the upper part of the discharging plate.

As an improvement, the adjustment mechanism comprises:

the guide rail is arranged inside the discharging plate;

the material clamping block is used for controlling the opening and closing states of the conveying plate and is arranged in the guide rail in a sliding mode;

and the side part of the material clamping block is rotatably connected with a pull rod connected with the conveying plate.

As an improvement, the conveying plate is divided into two sections by a locking shaft, and the left section is in contact with the first roller during operation;

the conveying plate is arc-shaped, and the upper end of the conveying plate is connected with a gathering plate which is used for gathering the rubber raw materials falling from the main roller assembly into the conveying unit.

The invention has the beneficial effects that:

1. according to the invention, after the raw materials are sent to the pressure measuring assembly, the raw materials are pressed by two groups of pressing mechanisms which reciprocate to form a wavy shape, and then the wavy rubber raw materials are pressed and molded by the main roller assembly, so that the rubber with uneven distribution on two sides is centralized to the center for molding treatment and uniform banburying is ensured.

2. The invention controls the rotating speed ratio of the main roller component and the auxiliary roller component by setting the first meshing mechanism and the second meshing mechanism to be different in diameter, realizes that the whole equipment is driven to operate only by adopting the driving unit, and has simple structure

3. According to the invention, the openings of the storage areas are arranged downwards, so that the bottom of the pre-stored material can be ensured to preferentially enter the conveying area through the second transfer mechanism and is pushed upwards through the first transfer mechanism, the material conveying process can be carried out orderly, and the blockage of excessive materials at the conveying area is prevented.

4. According to the invention, the openings of the storage areas are arranged downwards, so that the bottom of the pre-stored material can be ensured to preferentially enter the conveying area through the second transfer mechanism and is pushed upwards through the first transfer mechanism, the material conveying process can be carried out orderly, and the blockage of excessive materials at the conveying area is prevented.

5. According to the invention, when the materials move in the guide chute, the original flat materials are gathered to the middle by the guide chute, so that the materials which are not uniformly distributed on two sides are preliminarily overlapped, and the homogenization effect of the pressure measuring assembly on material pressing is further promoted.

6. According to the invention, the clamping block is pushed to move downwards along the guide rail, the clamping block drives the conveying plate to rotate around the locking shaft through the pull rod, so that the left section of the conveying plate is separated from the first roller, and at the moment, materials passing through the first roller roll out of the conveying plate to the discharging plate for discharging, so that the discharging is convenient.

7. The invention ensures that the materials can be close to the middle under the thrust of the second roller before entering the conveying unit by arranging the eight-shaped gathering plate on the conveying plate, and also ensures that the materials can be continuously supplied when entering the conveying unit.

In conclusion, the internal distribution of the materials in the banburying process is uniform, the materials can be fed circularly, the working efficiency is high, the blockage can be avoided in the material conveying process, and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the overall left structure of the present invention;

FIG. 3 is a schematic structural diagram of an internal mixing unit of the present invention;

FIG. 4 is a cross-sectional view of an internal mixing unit of the present invention;

FIG. 5 is a schematic diagram of the banburying molding of the rubber of the present invention;

FIG. 6 is a schematic view of the connection between the banburying unit and the conveying unit according to the present invention;

FIG. 7 is a view showing the internal structure of the transporting unit of the present invention;

FIG. 8 is a schematic view of the structure of the separation unit of the present invention;

FIG. 9 is a schematic diagram of the operation of the internal mixing unit of the present invention;

FIG. 10 is a schematic view of the operation of the delivery unit of the present invention;

FIG. 11 is a view of the mating relationship of the feed unit and the slave roller assembly of the present invention;

FIG. 12 is a schematic structural view of a molding mechanism of the present invention.

In the figure; 1. an internal mixing unit; 2. a conveying unit; 3. a drive unit; 4. a separation unit; 11. a lateral pressure component; 12. a main roller assembly; 13. a slave roll assembly; 111. a baffle plate; 112. a pressing mechanism; 113. a connecting rod; 114. a push block; 115. a revolving roller; 1151. a reciprocating rail; 121. a first roller; 122. a second roller; 123. a first engagement mechanism; 124. a first belt; 131. a third roller; 132. a fourth roller; 133. a second engagement mechanism; 134. a second belt; 201. a delivery conduit; 202. a molding mechanism; 2021. a guide groove; 203. a delivery zone; 204. a first transfer mechanism; 205. a second transfer mechanism; 206. a storage area; 401. a stripper plate; 402. an adjustment mechanism; 4021. a guide rail; 4022. a clamping block; 4023. a pull rod; 403. a conveying plate; 4031. a locking shaft; 4032. a collection plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1-2, an internal mixing device for producing a rubber door seal of a washing machine comprises:

an internal mixing unit 1;

the conveying unit 2 is arranged at the feeding end of the banburying unit 1;

the separation unit 4 is arranged at the discharge end of the banburying unit;

the rubber raw material forms a double-layer folded shape after being subjected to centralization treatment in the conveying unit 2, and then is subjected to up-down pressing, left-right wave pressing and front-back pressing in sequence in the banburying unit 1, so that an even distribution state is formed inside the banburying unit, and the banburying unit is led out from the separating unit 4.

As a modification, as shown in fig. 3 to 5, the banburying unit 1 includes:

a load cell assembly 11;

the main roller assembly 12 is positioned at the lower part of the load cell assembly 11;

and the slave roller assembly 13 is positioned at the upper part of the load cell assembly 11, and the slave roller assembly 13 is positioned at the upper part of the load cell assembly 11.

Further, the load cell assembly 11 includes:

the baffle plates 111 are arranged in two groups and are arranged side by side;

the middle pressing mechanism 112 is arranged between the two groups of baffles 111 in a sliding manner;

a connecting rod 113, wherein the connecting rod 113 is connected to the upper part of the middle pressing mechanism 112;

the rotary roller 115 is rotatably arranged in the machine body, and the rotary roller 115 is rotatably arranged in the machine body;

the connecting rod is L-shaped, and the bottom of the connecting rod 113 is provided with a push block 114 matched with the rotary roller 115.

Furthermore, two sets of the middle pressing mechanisms 112 are arranged in opposite directions, and two sets of opposite surfaces are provided with teeth which are arranged in a staggered manner;

the centering mechanism 112 is in a "T" shape;

the outer side of the revolving roller 115 is provided with reciprocating tracks 1151, the reciprocating tracks 1151 are arranged in two groups side by side, and the rotating directions of the tracks are opposite.

Wherein the slave roller assembly 13 comprises:

the third roller 131;

a fourth roller 132, wherein the fourth roller 132 is positioned at the lower part of the third roller 131, and a gap is arranged between the fourth roller 132 and the third roller 131;

the main roller assembly 12 includes:

a first roller 121;

a second roller 122, wherein the second roller 122 is arranged at the rear part of the first roller 121;

the third roller 131 and the fourth roller 132 are arranged in parallel along the vertical direction;

the first roller 121 and the second roller 122 are juxtaposed in a horizontal direction.

It should be added that the driving unit 3 is disposed at the side of the first roller 121, the first roller 121 and the second roller 122 are engaged by the first engaging mechanism 123, the second roller 122 is connected with the fourth roller 132 by the first belt 124, the third roller 131 and the fourth roller 132 are engaged by the second engaging mechanism 133, and the third roller 131 is connected with the revolving roller 135 by the second belt 134.

It should be noted that, the driving unit 3 is started, the driving unit 3 drives the main roller assembly 12 to rotate, meanwhile, the main roller assembly 12 drives the slave roller assembly 115 to rotate through the first belt 124, the slave roller assembly 13 drives the revolving roller 115 to rotate through the second belt 134, and drives the connecting rod 113 to reciprocate through the reciprocating track 1151, so that the middle pressing mechanism 112 is drawn close to each other in a reciprocating manner, in the present invention, the rotating speed ratio of the main roller assembly 12 and the slave roller assembly 13 is controlled by setting the first meshing mechanism 123 and the second meshing mechanism 133 to be different diameters, so that the whole equipment is driven to operate only by the driving unit 3, and the structure is simple;

as shown in FIG. 5, FIG. 6, and FIG. 9-10, the rubber to be banburying is placed on the upper part of the main roller assembly 12, under the mutual rotation of the first roller 121 and the second roller 122, the rubber mass is pressed into a flat surface and falls into the separation unit 4, then the rubber mass is pushed into the conveying unit 2 by the second roller 122 to form a circular feeding material, the rubber raw material passing through the conveying unit 2 is pressed by the roller assembly 13 to form a first left-right uneven distribution plane shape in FIG. 5, then the raw material is sent into the pressure measuring assembly 11, and is pressed by the two reciprocating sets of pressing mechanisms 112 to form a second even distribution wave shape in FIG. 5, and then the wave-shaped rubber raw material is pressed into a shape by the main roller assembly 12, thereby avoiding the problem that the existing banburying device can not concentrate the rubber with uneven distribution at both sides to the center for forming process.

As a modification, as shown in fig. 10 to 12, the conveying unit 2 includes:

a delivery duct 201, said delivery duct 201 being arc-shaped;

the forming mechanism 202, the forming mechanism 202 is arranged at the discharge end of the conveying pipeline 201;

a conveying area 203 and a storage area 206 which is positioned at the tail part of the conveying area 203 and used for caching rubber raw materials are arranged inside the conveying pipeline 201;

the storage area 206 is arranged in an inverted manner, the opening of the storage area is downward, and a first transfer mechanism 204 for transferring the rubber raw material is rotatably connected to the opening of the storage area;

the junction of the storage area 206 and the transport area 203 is pivotally connected to a second transfer mechanism 205.

Further, a guide groove 2021 for collectively superposing the rubber raw materials is provided inside the molding mechanism 202, and the molding mechanism 202 is trapezoidal;

the discharge port of the forming mechanism 202 is located at the same level as the driven roller assembly 13.

It should be noted that when the raw material enters the conveying unit 2 from the main roller assembly 12 through the separation unit 4, excessive materials are pre-stored in the storage area 206, and the storage area 206 is arranged with its opening facing downward, so that the bottom of the pre-stored material is ensured to preferentially enter the conveying area 203 through the second transfer mechanism 205 and to be pushed upward through the first transfer mechanism 204, so that the material conveying process can be performed orderly, and the excessive materials are prevented from being blocked in the conveying area 203;

in the process that the material is conveyed upwards along the conveying area 203, the material enters the slave roller assembly 13 along the guide groove 2021 in the forming mechanism 202, and when the material moves in the guide groove 2021, the original flat material is gathered towards the middle by the guide groove 2021, so that the materials with uneven distribution on both sides are preliminarily overlapped, and the homogenization effect of the pressure measuring assembly 11 on material pressing is further promoted.

As a refinement, the separation unit 4 comprises:

the discharging plate 401 is of a two-section type, the left section is inclined, and the right end is horizontal;

the adjusting mechanism 402 is arranged at the upper end of the discharging plate 401;

and a conveying plate 403, wherein the conveying plate 403 is arranged on the upper part of the discharging plate 401.

Further, the adjusting mechanism 402 includes:

the guide rail 4021 is arranged inside the discharging plate 401;

the material clamping block 4022 for controlling the opening and closing states of the conveying plate 403 is arranged in the guide rail 4021 in a sliding manner;

the side of the material clamping block 4022 is rotatably connected with a pull rod 4023 connected with the conveying plate 403.

Further, the conveying plate 403 is divided into two sections by the locking shaft 4031, and the left section is in contact with the first roller 121 during operation.

It should be noted that, in the pressing process, the clamping block 4022 is located above the guide rail 4021, so that the pull rod 4023 pushes the left section of the conveying plate 403 to contact with the lower surface of the first roller 121, after the internal mixing of the raw materials is completed, the clamping block 4022 can be pushed to move downward along the guide rail 4021, the clamping block 4022 drives the conveying plate 403 to rotate around the locking shaft 4031 through the pull rod 4023, so that the left section of the conveying plate 403 is separated from the first roller 121, at this time, the material passing through the first roller 121 rolls out along the conveying plate 403 to the discharging plate 401 for discharging, and the discharging is convenient.

Example two

For the sake of simplicity, only the points of difference from the first embodiment will be described below. The second embodiment is different from the first embodiment in that: as shown in fig. 8, the conveying plate 403 has an arc shape, and a collecting plate 4032 for collecting the rubber raw material dropped from the main roller assembly 12 and feeding the rubber raw material into the conveying unit 2 is connected to an upper end thereof.

It should be noted that, in the material banburying process, the material is pressed by the main roller assembly 12 and then becomes flat, so that when the material directly enters the conveying unit 2 from the conveying plate 403, blockage is easy to occur, the invention ensures that the material can be close to the middle under the thrust of the second roller 122 before entering the conveying unit 2 by arranging the eight-shaped gathering plate 4032 on the conveying plate 403, and can be continuously supplied when entering the conveying unit 2 by ensuring that the material also enters the conveying unit 2.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a banburying device of washing machine rubber door seal production usefulness which characterized in that includes:

an internal mixing unit (1);

the conveying unit (2) is arranged at the feeding end of the banburying unit (1);

the separation unit (4), the said separation unit (4) locates the discharge end of the said banburying unit;

the rubber raw materials are processed by centralization in the conveying unit (2) to form a double-layer folding shape, and then are sequentially pressed up and down, pressed left and right in a wave mode and pressed front and back through the banburying unit (1), and an even distribution state is formed inside the banburying unit and is led out from the separating unit (4).

2. The banburying device for producing the rubber door seal of the washing machine according to claim 1, wherein the banburying unit (1) comprises:

a load cell assembly (11);

the main roller assembly (12), the main roller assembly (12) is positioned at the lower part of the load measuring assembly (11);

a slave roller assembly (13), wherein the slave roller assembly (13) is positioned on the upper part of the load cell assembly (11).

3. The banburying device for producing the rubber door seal of the washing machine according to claim 2, wherein the load cell assembly (11) comprises:

the baffle plates (111), two sets of baffle plates (111) are arranged, and the baffle plates are arranged side by side;

the middle pressing mechanism (112) is arranged between the two groups of baffles (111) in a sliding manner;

the connecting rod (113), the said connecting rod (113) is connected to the upper portion of the said pressing mechanism (112);

the rotary roller (115), the said rotary roller (115) is rotated and set up in the organism;

the connecting rod is L-shaped, and the bottom of the connecting rod (113) is provided with a push block (114) matched with the rotary roller (115).

4. The banburying device for producing the rubber door seal of the washing machine according to claim 3, wherein two sets of opposite faces of the pressing mechanism (112) are provided with teeth in a staggered arrangement;

the middle pressing mechanism (112) is in a T shape;

the outer side of the rotary roller (115) is provided with reciprocating rails (1151), the reciprocating rails (1151) are arranged in two groups side by side, and the rotating directions of the rails are opposite.

5. An internal mixing device for producing a rubber door seal of a washing machine according to claim 2, characterized in that the driven roller assembly (13) comprises:

a third roller (131);

the fourth roller (132), the said fourth roller (132) locates at the inferior part of the said third roller (131), and there is interval between the two;

the main roller assembly (12) comprises:

a first roller (121);

a second roller (122), wherein the second roller (122) is arranged at the rear part of the first roller (121);

the third roller (131) and the fourth roller (132) are arranged in parallel along the vertical direction;

the first roller (121) and the second roller (122) are arranged side by side in a horizontal direction.

6. An internal mixing device for producing a rubber door seal of a washing machine according to claim 1, wherein the conveying unit (2) comprises:

a delivery duct (201), said delivery duct (201) being arc-shaped;

the forming mechanism (202), the forming mechanism (202) is arranged at the discharge end of the conveying pipeline (201);

a conveying area (203) and a storage area (206) which is positioned at the tail part of the conveying area (203) and used for caching rubber raw materials are arranged in the conveying pipeline (201);

the storage area (206) is arranged in an inverted manner, the opening of the storage area faces downwards, and a first transfer mechanism (204) for transferring the rubber raw material is rotatably connected to the opening of the storage area;

the joint of the storage area (206) and the conveying area (203) is rotatably connected with a second transfer mechanism (205).

7. The banburying device for producing the rubber door seal of the washing machine according to claim 6, wherein a guide groove (2021) for intensively superposing rubber raw materials is arranged inside the forming mechanism (202), and the forming mechanism (202) is designed to be trapezoidal;

the discharge port of the forming mechanism (202) is positioned on the same horizontal plane with the driven roller assembly (13).

8. An internal mixing device for producing a rubber door seal of a washing machine according to claim 5, characterized in that the separation unit (4) comprises:

the discharging plate (401) is of a two-section type, the left section is inclined, and the right end is horizontal;

the adjusting mechanism (402) is arranged at the upper end of the discharging plate (401);

and the conveying plate (403), wherein the conveying plate (403) is arranged at the upper part of the discharging plate (401).

9. The banburying device for producing rubber door seal of washing machine as claimed in claim 8, wherein said adjusting mechanism (402) comprises:

the guide rail (4021) is arranged inside the discharging plate (401);

the clamping block (4022) used for controlling the opening and closing states of the conveying plate (403) is arranged in the guide rail (4021) in a sliding mode;

the side part of the clamping block (4022) is rotatably connected with a pull rod (4023) connected with the conveying plate (403).

10. An internal mixing device for producing a rubber door seal of a washing machine according to claim 8, characterized in that the conveying plate (403) is divided into two sections by a locking shaft (4031), and the left section is in contact with the first roller (121) during operation;

the conveying plate (403) is arc-shaped, and the upper end of the conveying plate is connected with a gathering plate (4032) which is used for gathering and conveying the rubber raw materials falling from the main roller assembly (12) into the conveying unit (2).