CN211030783U

CN211030783U - Internal mixer

Info

Publication number: CN211030783U
Application number: CN201922012794.4U
Authority: CN
Inventors: 赵会岩; 赵海林; 范屏; 张学永; 刘涛
Original assignee: Yongyi Rubber Co ltd
Current assignee: Yongyi Rubber Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-17
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses an internal mixer relates to internal mixer technical field. A glue cutting device for cutting large glue blocks into small glue blocks is arranged in the feeding port (6); in the banburying chamber (103), ring grooves are uniformly arranged on the first roller (3) and the second roller (4) at intervals along the roller direction, and the positions of the ring grooves on the two rollers are arranged in a staggered manner; two sides of a weight (203) fixedly installed at the bottom of the upper top bolt (2) are uniformly distributed with comb teeth (204) corresponding to the first ring groove (301) and the second ring groove (401), the width of the comb teeth (204) is smaller than the groove width of the first ring groove (301), and the width of the comb teeth (204) is smaller than the groove width of the second ring groove (401). Compared with the prior art, the beneficial effects of the utility model are that: the structure of the internal mixer is improved, small rubber blocks are added into the internal mixer, the dispersion of various compounding agents in rubber materials is facilitated, the rubber beans are crushed, the rubber is played and the rubber is turned, and the rubber mixing efficiency can be improved.

Description

Internal mixer

Technical Field

The utility model relates to a banbury mixer technical field, in particular to banbury mixer for the sizing material is mixed.

Background

The rubber mixing operation cannot be separated in the processing of various rubber products because the pure rubber material has the defects and cannot be directly used industrially, and compounding agents such as reinforcing filler, plasticizer, anti-aging agent or vulcanizing agent and the like are required to be added to improve the defects of the pure rubber material. The common equipment in rubber mixing is an internal mixer and an open mill, and the internal mixer is more environment-friendly and more widely applied in the rubber mixing process.

The internal mixer is closed rubber mixing equipment and is mainly used for plastication and mixing of rubber. The internal mixer is a machine which is equipped with a pair of rotors with specific shapes and can be relatively rotated, and can be used for plasticating and mixing polymer material in a clearance mode under the closed state of adjustable temperature and pressure, and is mainly formed from internal mixing chamber, rotor sealing device, feeding and pressing device, discharging device, driving device, machine base, pneumatic control system, electric control system and heating and cooling system. In the rubber mixing process of the internal mixer in the prior art, in order to ensure the mixing uniformity of rubber materials, the internal mixing time is long, and the internal mixing temperature is high, so that the rubber materials are easy to scorch, and the quality of products produced subsequently is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an internal mixer improves the structure of internal mixer, solves above-mentioned technical problem.

The concrete technical scheme is that the internal mixer comprises: the internal mixer comprises an internal mixer shell, an upper top bolt, a lower top bolt and an internal mixing chamber, wherein a feeding port is arranged on the internal mixer shell and is positioned above the internal mixing chamber and communicated with the internal mixing chamber; a glue cutting device is arranged in the feeding port, and the glue cutting device cuts the large glue blocks into small glue blocks;

the banburying chamber is internally provided with a first roller and a second roller, the first roller is uniformly provided with first ring grooves at intervals along the roller direction, the second roller is provided with second ring grooves at intervals along the roller direction, and the positions of the first ring grooves and the second ring grooves are arranged in a staggered manner;

the two sides of the weight fixedly installed at the bottom of the upper top bolt are uniformly distributed with comb teeth respectively corresponding to the first ring groove and the second ring groove, the width of the comb teeth is smaller than the groove width of the first ring groove, and the width of the comb teeth is smaller than the groove width of the second ring groove.

Further, cut mucilage binding and put includes: the outer surface of the fourth roller is smooth, and an enveloping circle formed by the outer sides of the blades of the third roller is tangent to the outer surface of the fourth roller; the third roller is connected with a third motor through a driving wheel and a conveying belt. For the design of the specific structure of the rubber cutting device, in the device, the fourth roller provides a support for a rubber block to be cut, the fourth roller is passive by matching with the rubber cutting action of the blade, and can rotate under the rotation of the third roller and the extrusion action of rubber materials. The big rubber block can be cut into small rubber blocks with the volume smaller than the gap between two adjacent blades, and the small rubber blocks are added into the internal mixer, so that various compounding agents can be dispersed in rubber materials, and a good rubber mixing effect can be achieved within a short mixing time.

Further, the groove width of the first ring groove is denoted as W1, the groove width of the second ring groove is denoted as W2, the width of the comb teeth is denoted as W3, W1 is W2, and W3 is 0.7-0.9W 1. The width of the comb teeth is narrow, when rubber is started, residual rubber materials easily appear in the first ring groove or the second ring groove, and the residual rubber materials possibly cannot participate in effective mixing; when the width of the comb teeth is closer to the width of the first ring groove or the second ring groove, the accuracy and the installation requirement of the equipment are higher, and the cost of the equipment is increased. Preferably, design W3 ═ 0.85W 1.

Furthermore, the internal mixer shell is hollow and is divided into an upper shell and a lower shell, and the upper shell and the lower shell are welded; the interior of the lower shell is an internal mixing chamber;

the upper part of the upper top bolt is provided with a cylinder, and the bottom of a telescopic rod of the cylinder is fixedly provided with a weight; the cylinder is arranged above the upper shell, and the telescopic rod and the weight are positioned in the upper shell; the weight is integrated, the upper end of the weight is a quadrangular prism, the lower end of the weight is a triangular prism, one side surface of the triangular prism is completely coincided with one surface of the quadrangular prism, and the triangular prism is parallel to the side edges of the coincided side surfaces to form the bottom tip of the weight; the tip of the bottom of the weight can extend between the first roller and the second roller to play a role in beating and compacting the sizing material.

The top of the lower top bolt is fixedly provided with a top block, the top block is integrated, the upper end of the lower top bolt is a triangular prism, the lower end of the lower top bolt is a quadrangular prism, one side surface of the triangular prism is completely coincided with one surface of the quadrangular prism, and the triangular prism is parallel to the side edges of the coincided side surfaces to form the top tip of the top block; the lower top bolt is arranged at the bottom of the lower shell, and the top weight is positioned in the lower shell;

the first roller is connected with a first motor through a driving wheel and a conveying belt; the second roller is connected with a second motor through a transmission wheel and a conveyor belt;

the base includes: pillar, bottom suspension fagging, last backup pad, curb plate, the bottom suspension fagging is being supported to the pillar, and the curb plate stands on between last backup pad and the bottom suspension fagging. The upper supporting plate and the lower supporting plate are mainly used for supporting parts such as power equipment, electric control equipment and the like of the internal mixer.

Furthermore, the comb teeth are positioned at the upper end of the weight and are downward, and the angle formed between the comb teeth and the side surface of the quadrangular prism is 20-70 degrees. The comb teeth are inclined at different angles, so that the positions in contact with the first roller and the second roller can be changed, namely the positions for rubber generation can be different. In addition, the size of the weight may limit the angle at which the comb teeth are tilted.

Furthermore, a reinforcing rib is arranged between the upper supporting plate and the side plate. By the design, the base is stable in structure, and the bearing capacity of the upper supporting plate is improved.

In the utility model, the cylinder in the upper top bolt is connected with the pneumatic control system, and the cylinder can drive the weight to move up and down to beat the sizing material; a heating and cooling inlet and outlet pipeline is arranged at a roller of the mixing chamber part and used for controlling the internal temperature of the mixing chamber; an electric control system and an operation panel are arranged on the internal mixer. This is common knowledge in the application of equipment and is not described in detail in the present invention.

The utility model discloses in to the main improvement point of banbury mixer be: the rubber cutting device cuts the large rubber into small rubber, the small rubber is added into the internal mixer, and therefore dispersion of various compounding agents in rubber materials is facilitated, and rubber mixing efficiency is improved. The two rollers of the internal mixer are respectively provided with the ring grooves, the first ring grooves and the second ring grooves are arranged in a staggered manner, so that the function of well crushing the rubber beans, the agglomerated carbon black or other ingredient aggregates can be achieved, and the rubber beans are extremely easy to crush under the extrusion action when meeting the wall edges of the ring grooves; the two sides of the weight at the bottom of the upper ram are uniformly distributed with comb teeth corresponding to the ring grooves, the comb teeth are used for rubber lifting and turning, the original state of the rubber material in the banburying chamber is directly and greatly changed, the opportunities of contact and mutual mixing of the rubber materials at different positions are increased, and the purpose of uniformly mixing the rubber material is rapidly realized.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the structure of the internal mixer is improved, the rubber cutting device is arranged at the feeding port, and small rubber blocks are added into the internal mixer, so that various compounding agents can be dispersed in rubber materials, and the rubber mixing efficiency is improved;

2) the two rollers are provided with the ring grooves in a staggered mode, the pressing rollers are provided with the corresponding comb teeth respectively, the rubber bean crushing and rubber turning functions are achieved, a good rubber mixing effect can be achieved within a short banburying time, and the rubber mixing time is shortened.

Drawings

FIG. 1 is a schematic structural diagram of a Banbury mixer of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a state diagram of the first roller, the second roller and the upper ram;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a schematic structural view of the third roll.

1. An internal mixer shell, 2, an upper top bolt, 3, a first roller, 4, a second roller, 5, a lower top bolt, 6, a charging hole, 7 and a base,

101. an upper shell 102, a lower shell 103 and an internal mixing chamber;

201. the device comprises an air cylinder 202, a telescopic rod 203, a weight 204 and comb teeth;

301. a first ring groove 302, a first motor;

401. a second ring groove 402, a second motor;

501. jacking;

601. a third roller 602, a fourth roller 603, a blade 604 and a third motor;

701. pillar 702, lower supporting plate 703, upper supporting plate 704, reinforcing rib 705 and side plate.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions, modification of any structure, ratio relationship, change or size adjustment, without affecting the function and the achievable purpose of the present invention, all should fall within the scope covered by the technical content disclosed in the present invention.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1-7, an internal mixer comprising: the internal mixer comprises an internal mixer shell 1, an upper top bolt 2, a lower top bolt 5 and an internal mixing chamber 103, wherein a feeding port 6 is arranged on the internal mixer shell 1, and the feeding port 6 is positioned above the internal mixing chamber 103 and is communicated with the internal mixing chamber 103; a glue cutting device is arranged in the feeding port 6, and the glue cutting device cuts the large glue blocks into small glue blocks; the banburying chamber 103 is internally provided with a first roller 3 and a second roller 4, first ring grooves 301 are uniformly spaced on the first roller 3 along the roller direction, second ring grooves 401 are uniformly spaced on the second roller 4 along the roller direction, and the positions of the first ring grooves 301 and the second ring grooves 401 are arranged in a staggered manner; two sides of a weight 203 fixedly installed at the bottom of the upper top bolt 2 are uniformly distributed with comb teeth 204 corresponding to the first ring groove 301 and the second ring groove 401 respectively, the width of the comb teeth 204 is smaller than the groove width of the first ring groove 301, and the width of the comb teeth 204 is smaller than the groove width of the second ring groove 401.

Cut mucilage binding and put includes: the outer surface of the fourth roller 602 is smooth, and an enveloping circle formed by the outer sides of the blades 603 of the third roller 601 is tangent to the outer surface of the fourth roller 602; the third roller 601 is connected with a third motor 604 through a driving wheel and a transmission belt. For the design of the concrete structure of the glue cutting device, in the device, the fourth roller 602 provides a support for the block to be cut, and in cooperation with the glue cutting action of the blade 603, the fourth roller 602 is passive and can rotate under the rotation of the third roller 601 and the extrusion action of the glue. The big rubber block can be cut into small rubber blocks with the volume smaller than the gap between two adjacent blades 603, and the small rubber blocks are added into the internal mixer, so that various compounding agents can be dispersed in the rubber material, and a good rubber mixing effect can be achieved within a short mixing time.

The groove width of the first ring groove 301 is denoted as W1, the groove width of the second ring groove 401 is denoted as W2, the width of the comb teeth 204 is denoted as W3, W1 is W2, and W3 is 0.7-0.9W 1. The comb teeth 204 are narrow in width, when rubber is started, residual rubber is prone to being generated in the first ring groove 301 or the second ring groove 401, and the residual rubber possibly cannot participate in effective mixing; as the width of the comb 204 is closer to the width of the first ring groove 301 or the second ring groove 401, the accuracy and installation requirements of the apparatus are higher, which leads to an increase in the cost of the apparatus. Preferably, design W3 ═ 0.85W 1.

The internal mixer shell 1 is hollow and is divided into an upper shell 101 and a lower shell 102, and the upper shell 101 and the lower shell 102 are welded; inside the lower shell 102 is an internal mixing chamber 103. The upper part of the upper top bolt 2 is provided with a cylinder 201, and the bottom of a telescopic rod 202 of the cylinder 201 is fixedly provided with a weight 203; the cylinder 201 is installed above the upper shell 101, and the telescopic rod 202 and the weight 203 are located inside the upper shell 101; the weight 203 is integrated, the upper end of the weight is a quadrangular prism, the lower end of the weight is a triangular prism, one side surface of the triangular prism is completely coincided with one surface of the quadrangular prism, and the side edges of the triangular prism, which are parallel to the coincided side surfaces, form the bottom tip of the weight 203. The top block 501 is fixedly installed at the upper end of the lower top bolt 5, the top block 501 is integrated, the upper end of the top block is a triangular prism, the lower end of the top block is a quadrangular prism, one side surface of the triangular prism is completely coincided with one surface of the quadrangular prism, and the side edges of the triangular prism, which are parallel to the coincided side surfaces, form the top tip of the top block 501; the lower top bolt 5 is installed at the bottom of the lower shell 102, and the top weight 501 is located inside the lower shell 102. The first roller 3 is connected with a first motor 302 through a driving wheel and a conveying belt; the second roller 4 is connected to a second motor 402 via a drive wheel and a conveyor belt.

The base 7 includes: the support comprises a support column 701, a lower support plate 702, an upper support plate 703 and a side plate 705, wherein the support column 701 supports the lower support plate 702, the side plate 705 stands between the upper support plate 703 and the lower support plate 702, and a reinforcing rib 704 is arranged between the upper support plate 703 and the side plate 705.

The comb teeth 204 are positioned at the upper end of the weight 203 and are downward, and the angle formed between the comb teeth 204 and the side surface of the quadrangular prism is 20-70 degrees.

In the utility model, the cylinder 201 in the upper top bolt 2 is connected with the pneumatic control system, and the cylinder 201 can drive the weight 203 to move up and down to beat the sizing material; a heating and cooling inlet and outlet pipeline is arranged at a roller of the mixing chamber part and used for controlling the internal temperature of the mixing chamber; an electric control system and an operation panel are arranged on the internal mixer. This is common knowledge in the application of equipment and is not described in detail in the present invention.

The rubber cutting device cuts the large rubber into small rubber, the small rubber is added into the internal mixer, and therefore dispersion of various compounding agents in rubber materials is facilitated, and rubber mixing efficiency is improved. The two rollers of the internal mixer are respectively provided with the ring grooves, the first ring grooves 301 and the second ring grooves 401 are arranged in a staggered manner, so that the function of well crushing the rubber beans, the agglomerated carbon black or other ingredient aggregates can be achieved, and the rubber beans are extremely easy to crush under the extrusion action when meeting the wall edges of the ring grooves; the two sides of the weight 203 at the bottom of the upper ram 2 are uniformly distributed with comb teeth 204 corresponding to the ring grooves, the comb teeth 204 are used for rubber lifting and turning, the original state of the rubber material in the banburying chamber is directly and greatly changed, the opportunities of contact and mutual mixing of the rubber materials at different positions are increased, and the purpose of uniformly mixing the rubber material is rapidly realized.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not limited to the specific embodiments, but is defined by the appended claims.

Claims

1. An internal mixer comprising: an internal mixer shell (1), an upper top bolt (2), a lower top bolt (5) and an internal mixing chamber (103), wherein a charging opening (6) is arranged on the internal mixer shell (1),

the feeding port (6) is positioned above the banburying chamber (103) and is communicated with the banburying chamber (103); a glue cutting device is arranged in the feeding port (6), and the glue cutting device cuts the large glue blocks into small glue blocks;

a first roller (3) and a second roller (4) are arranged in the internal mixing chamber (103), first ring grooves (301) are uniformly spaced on the first roller (3) along the roller direction, second ring grooves (401) are uniformly spaced on the second roller (4) along the roller direction, and the positions of the first ring grooves (301) and the second ring grooves (401) are arranged in a staggered manner;

two sides of a weight (203) fixedly installed at the bottom of the upper top bolt (2) are uniformly distributed with comb teeth (204) corresponding to the first ring groove (301) and the second ring groove (401), the width of the comb teeth (204) is smaller than the groove width of the first ring groove (301), and the width of the comb teeth (204) is smaller than the groove width of the second ring groove (401).

2. An internal mixer according to claim 1, characterized in that the rubber cutting device comprises: the roller comprises a third roller (601) and a fourth roller (602), wherein at least 3 blades (603) are fixedly arranged on the third roller (601) in the circumferential direction, the outer surface of the fourth roller (602) is smooth, and an enveloping circle formed by the outer sides of the blades (603) of the third roller (601) is tangential to the outer surface of the fourth roller (602); the third roller (601) is connected with a third motor (604) through a driving wheel and a conveyor belt.

3. An internal mixer according to claim 1, characterized in that the width of the first ring groove (301) is denoted W1, the width of the second ring groove (401) is denoted W2, the width of the comb teeth (204) is denoted W3, W1-W2, W3-0.7-0.9W 1.

4. An internal mixer according to claim 1,

the internal mixer shell (1) is hollow and is divided into an upper shell (101) and a lower shell (102), and the upper shell (101) and the lower shell (102) are welded; the interior of the lower shell (102) is an internal mixing chamber (103);

the upper part of the upper top bolt (2) is provided with an air cylinder (201), and the bottom of a telescopic rod (202) of the air cylinder (201) is fixedly provided with a weight (203); the cylinder (201) is arranged above the upper shell (101), and the telescopic rod (202) and the weight (203) are positioned inside the upper shell (101); the weight (203) is integrated, the upper end of the weight is a quadrangular prism, the lower end of the weight is a triangular prism, one side surface of the triangular prism is completely coincided with one surface of the quadrangular prism, and the triangular prism is parallel to the side edges of the coincided side surfaces to form the bottom tip of the weight (203);

the upper end of the lower top bolt (5) is fixedly provided with a top stone roller (501), the top stone roller (501) is integrated, the upper end of the top stone roller is a triangular prism, the lower end of the top stone roller is a quadrangular prism, one side surface of the triangular prism is completely coincided with one surface of the quadrangular prism, and the side edge of the triangular prism, which is parallel to the coincided side surface, forms the top tip of the top stone roller (501); the lower top bolt (5) is arranged at the bottom of the lower shell (102), and the top weight (501) is positioned in the lower shell (102);

the first roller (3) is connected with a first motor (302) through a driving wheel and a conveying belt; the second roller (4) is connected with a second motor (402) through a driving wheel and a conveying belt;

the base (7) comprises: the support comprises a support column (701), a lower support plate (702), an upper support plate (703) and a side plate (705), wherein the lower support plate (702) is supported by the support column (701), and the side plate (705) stands between the upper support plate (703) and the lower support plate (702).

5. An internal mixer according to claim 4, characterized in that the teeth (204) are located at the upper end of the ram (203) and are directed downwards, the teeth (204) forming an angle of 20-70 ° with the side of the quadrangular prism on which they are located.

6. An internal mixer according to claim 4, characterized in that reinforcing ribs (704) are provided between the upper support plate (703) and the side plates (705).