CN107053513B - Ground-based internal mixer - Google Patents
Ground-based internal mixer Download PDFInfo
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- CN107053513B CN107053513B CN201710140104.6A CN201710140104A CN107053513B CN 107053513 B CN107053513 B CN 107053513B CN 201710140104 A CN201710140104 A CN 201710140104A CN 107053513 B CN107053513 B CN 107053513B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/20—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
- B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
- B29B7/186—Rotors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/26—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
- B29B7/263—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors from the underside in mixers having more than one rotor and a a casing closely surrounding the rotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a floor type internal mixer, which comprises a base, a mixing chamber, a transmission mechanism, rotors, an unloading mechanism, a feeding chamber, a material pressing mechanism and a feeding mechanism, wherein the mixing chamber is arranged above the base, the two rotors are arranged in the mixing chamber, the transmission mechanism is arranged on the side of the mixing chamber, the feeding chamber is arranged above the mixing chamber, the feeding chamber is communicated with the mixing chamber, a feeding door is arranged on the side of the feeding chamber, and the feeding mechanism drives the feeding door to move upwards so as to open the closed feeding chamber.
Description
Technical Field
The invention relates to a ground type internal mixer.
Background
An internal mixer, also called a kneader, is mainly used for plasticating and mixing of rubber, is a mechanical device which is provided with a pair of rotors with specific shapes and relatively rotates and plastifies and mixes polymer materials in a clearance way under a closed state with adjustable temperature and pressure, the existing internal mixer is mainly divided into a falling type internal mixer and a turning type internal mixer, a lower top bolt of the falling type floor internal mixer adopts falling type unloading, an unloading door adopts a rack gear and a hydraulic oil cylinder for driving, the application is stable and reliable, the opening and closing time is short, the internal mixer adopts crank type locking, the internal mixer is driven by the hydraulic oil cylinder, the locking force is strong, the self-locking performance is good, the sealing is good, but the installation space from two layers to three layers of buildings is needed, the installation cost is very high, and the requirement on the space is large; the mixing chamber of the turnover type floor type internal mixer adopts a front-rear combined structure, the whole mixing chamber can be turned over by 110-140 degrees around a front rotor so as to facilitate discharging and cleaning, but the defects of insufficient rigidity strength, slow material beating, easy material leakage and powder leakage, environmental pollution, poor quality of mixed rubber, inconvenience for automatic production and the like exist, and moreover, the two internal mixers have the defects of poor cooperative working performance of all system devices due to the defect of integral structure design, difficult charging, low production efficiency, insufficient rolling of the rotor, insufficient heat dissipation, material leakage of the mixing chamber and the like.
Disclosure of Invention
In order to solve the problems of a falling internal mixer and a turnover internal mixer in the prior art, the invention provides a ground internal mixer which is reasonable in structure and convenient to use, and the specific technical scheme is as follows:
a floor-mounted internal mixer comprises a base, a mixing chamber, a transmission mechanism, rotors, an unloading mechanism, a feeding chamber, a material pressing mechanism and a feeding mechanism, wherein the mixing chamber is arranged above the base, two rotors are arranged inside the mixing chamber, the transmission mechanism is arranged on the side of the mixing chamber, the feeding chamber is arranged above the mixing chamber and communicated with the mixing chamber, a feeding door is arranged on the side of the feeding chamber, the feeding mechanism drives the feeding door to move upwards so as to open the closed feeding chamber, the material pressing mechanism is provided with an upper top bolt, the upper top bolt is positioned in the feeding chamber, the upper top bolt moves downwards to press rubber materials to enter the mixing chamber from the feeding chamber, the transmission mechanism drives the two rotors to rotate at a high speed to crush the rubber materials, the unloading mechanism is positioned below the mixing chamber, and the unloading mechanism drives the unloading door at the bottom of the mixing chamber to open so as to discharge the mixed rubber materials from the mixing chamber.
As a preferable scheme of the invention, the transmission mechanism comprises a motor, a first coupler, a reduction gearbox and a second coupler, an output shaft of the motor drives the reduction gearbox to start through the first coupler, and an output shaft of the reduction gearbox drives the two rotors to rotate through the second coupler.
In a preferred embodiment of the present invention, the two rotors have the same structure, opposite rotation directions and equal rotation speeds, the base body of the rotors has a cylindrical shape, the outer circumferential side of the cylindrical shape of each rotor is provided with a long spiral type ridge, a short spiral type ridge and a polygonal ridge, the long spiral type ridge extends from one end of the rotor to the other end in a spiral manner by 180 °, the short spiral type ridge and the long spiral type ridge have the same rotation direction, the short spiral type ridge extends to the middle of the rotor in a spiral manner by 60 °, the polygonal ridge extends from the other end of the rotor along the axial direction of the central shaft of the rotor, the space formed between the top of the long spiral type ridge, the short spiral type ridge and the polygonal ridge and the outer circumferential side of the cylindrical shape forms a groove, and the two rotors are engaged and matched with each other through the engagement of the long spiral type ridge, the short spiral type ridge and the polygonal ridge.
As a preferred scheme of the invention, the discharging mechanism comprises a discharging gear box, 4 discharging oil cylinders, a discharging gear shaft, a third coupler, a discharging door shaft, 2 bolt oil cylinders, 2 discharging door bolts and a discharging door, wherein the 4 discharging oil cylinders are oppositely arranged on the left side and the right side of the discharging gear box in pairs, the discharging gear box is arranged on the outer side of a mixing chamber, the two discharging oil cylinders on the upper side share a piston rod, the two discharging oil cylinders on the lower side share a piston rod, the discharging gear is meshed in a rack between the upper piston rod and the lower piston rod, the discharging gear is fixedly arranged in the middle of the discharging gear shaft, one end of the discharging gear shaft is connected with the discharging door shaft through the third coupler, the discharging door is positioned at the bottom of the mixing chamber, two steel sleeves are arranged on the two side edges of the discharging door, the discharging door shaft penetrates through two steel sleeves, the 2 bolt oil cylinders are respectively arranged on the outer sides between the mixing chamber and the base, the 2 discharging doors are respectively arranged in a groove between the mixing chamber and the base and are respectively arranged below the discharging door and are respectively connected with the piston rods of the bolt oil cylinders, and when the discharging door is opened, the 2 discharging oil cylinders are respectively pushed or pulled out to lock or loosen the discharging door.
As a preferred scheme of the invention, the material pressing mechanism comprises two material pressing oil cylinders, balance blocks, upper top bolt connecting rods and upper top bolts, the two material pressing oil cylinders are respectively arranged at the left side and the right side of the feeding chamber, piston rods of the material pressing oil cylinders extend upwards to be connected with the balance blocks, the upper top bolt connecting rods are connected below the balance blocks, the upper top bolt connecting rods penetrate through the top of the feeding chamber to be connected with the upper top bolts, the upper top bolts can move up and down in the feeding chamber, and the bottoms of the upper top bolts are provided with sharp edges for dividing the rubber material into two parts.
As a preferred scheme of the invention, a dust hood is arranged in front of the feeding door, and an integrator pipe is communicated with the upper part of the dust hood.
As a preferred scheme of the invention, the feeding mechanism comprises a feeding oil cylinder, a connecting plate and a feeding door connecting rod, wherein a piston rod of the feeding oil cylinder extends upwards to be connected with the connecting plate, the feeding door connecting rod is connected below the connecting plate, and the feeding door connecting rod is connected into the feeding door.
According to a preferred scheme of the invention, a rotor sealing device for preventing rubber materials from overflowing during rubber mixing is mounted on the side of the mixing chamber, the rotor sealing device comprises a hollow wear-resistant steel sleeve, a moving ring and a fixed ring, the wear-resistant steel sleeve is fixedly mounted in the side wall of the mixing chamber of the mixer, one end of a rotor penetrates through the wear-resistant steel sleeve, the moving ring is sleeved on the outer peripheral side of the rotor, the moving ring is located between the inner peripheral side of the wear-resistant steel sleeve and the outer peripheral side of the rotor, the fixed ring is fixedly mounted on the exposed end face of the wear-resistant steel sleeve through screws and tightly sleeved on the outer peripheral side of the moving ring, a key pin is mounted between the moving ring and the rotor in an interference mode, the moving ring is driven to synchronously rotate through the key pin when the rotor rotates, a spring is mounted inside the moving ring, a jacking head and headless screw are mounted at the left end and the right end of the spring, the jacking head pushes against a compression spring of the side wall of the rotor, the moving ring and the fixed ring are in friction contact with each other, and are in a friction sealing fit mode, so as to prevent powder leakage from occurring when the rubber materials from occurring during mixing.
As a preferable scheme of the invention, the mixing chamber is composed of an upper cover and a lower cover or a front inner container, a rear inner container, a left eyeglass side plate and a right eyeglass side plate, and a powder inlet is arranged behind the feeding chamber.
As a preferable aspect of the present invention, the rotor is a meshing type rotor or a tangential type rotor.
The invention has the beneficial effects that: the ground-based internal mixer has reasonable and compact structural design, integrates the advantages of a falling internal mixer and a turnover internal mixer, overcomes the structural defects of the existing internal mixer, and is particularly represented as follows: 1. the space height of two to three storied buildings is not required like a falling internal mixer during installation, but the falling internal mixer is directly installed on the ground like a turnover internal mixer, so that the requirements on the height and the area of a production workshop are low, and the installation cost of a user is reduced; 2. when the material is fed into the internal mixer, various sizing materials are not required to be carried to the second floor or the third floor as high as a falling internal mixer, but the materials are directly fed on the ground as a turnover internal mixer, so that the labor intensity of workers is reduced, and the labor cost is reduced; 3. the falling type internal mixer has the rigidity and stability of the falling type internal mixer in the mixing process, the highest rotation speed of a rotor can reach 120 rpm, the variable-frequency stepless speed regulation can be carried out, the speed is more than three times faster than that of a turnover type internal mixer, the production efficiency is greatly improved, the energy consumption is also reduced, the sealing performance is better than that of the falling type internal mixer and the turnover type internal mixer, the powder leakage and the glue leakage cannot occur, the quality of the mixed rubber is influenced, the environment is not polluted, the mixed rubber is good, the glue is directly discharged downwards like the falling type internal mixer in the glue discharging process, and the speed is high; unlike a turnover internal mixer, the time is not wasted, and the rubber material can be discharged only by rotating the mixing chamber by 120 to 140 degrees; 5. the feeding mechanism drives the feeding door to move upwards so as to open the closed feeding chamber, an operator can easily feed materials into the feeding chamber by standing on the ground without additionally arranging a height increasing platform, the rubber material entering the feeding chamber can be quickly moved downwards by the upper top bolt to enter the mixing chamber from the feeding chamber, the upper top bolt pushes the upper part of the mixing chamber to prevent the rubber material from flowing back, the transmission mechanism drives the rotor to quickly rotate, the sharp edges on the two rotors crush the rubber material quickly, the time is short, the production efficiency is high, the devices such as the stamping mixing chamber, the transmission mechanism, the rotors, the discharging mechanism, the feeding chamber, the material pressing mechanism and the feeding mechanism work quickly in a coordinated mode, the automation degree is high, the product quality and the working environment are improved, the operation is safe and convenient, and the comprehensive cost of users is reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the invention with two rotors engaged;
FIG. 5 is a perspective view of a single rotor of the present invention viewed from three directions A, B, C;
FIG. 6 is a schematic view of the rotor of the present invention mounted on the overall machine;
FIG. 7 is a schematic view of the movement of the upper ram of the present invention;
FIG. 8 is a schematic view of the discharge door of the present invention as it is opened;
FIG. 9 is a schematic view of a rotor seal arrangement of the present invention;
FIG. 10 is an enlarged schematic view at A of FIG. 9;
FIG. 11 is an exploded view of the wear resistant steel bushing, the moving ring and the stationary ring of the rotor seal assembly of the present invention;
fig. 12 is a schematic view of a tangential rotor fit of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. As will be apparent to one of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood as appropriate.
As shown in fig. 1 to 3, a floor-mounted internal mixer comprises a base 1, a mixing chamber 2, a transmission mechanism 3, rotors 4, a discharging mechanism, a feeding chamber 6, a pressing mechanism and a feeding mechanism, wherein the mixing chamber 2 is arranged above the base 1, the mixing chamber 2 is formed by covering an upper cover 21 and a lower cover 22, two rotors 4 are arranged in the mixing chamber 2, the rotors 4 are meshing type GKE rotors or tangent type GKN rotors, the left and right ends of the two rotors 4 penetrate through the left and right chamber walls of the mixing chamber 2, the transmission mechanism 3 is arranged at the side of the mixing chamber 2, the transmission mechanism 3 drives the two rotors 4 to rotate, the feeding chamber 6 is arranged above the mixing chamber 2, the feeding chamber 6 is communicated with the mixing chamber 2, the feeding chamber 6 is provided with a side feeding door 61, the feeding mechanism drives the feeding door 61 to move up and down to open and close a feeding port, the feeding mechanism is provided with an upper top plug 71, the upper top plug 71 is positioned in the feeding chamber 6, the upper top plug 71 moves down to press and press rubber materials from the feeding chamber 6 into the mixing chamber 2, the discharging mechanism is positioned at the bottom of the mixing chamber 2, and the discharging mechanism drives the discharging mechanism to discharge the mixing chamber 2.
Specifically, the transmission mechanism 3 comprises a motor 31, a first coupler 32, a reduction gearbox 33 and a second coupler 34, the motor output shaft 31 drives the reduction gearbox 33 to start through the first coupler 32, the reduction gearbox 33 is a double-output-shaft reduction gearbox, and the output shaft of the reduction gearbox 33 drives the two rotors to rotate in opposite directions through the second coupler 34.
Specifically, as shown in fig. 4 and 5, two rotors 4 are integrally meshed with each other to effectively mill the rubber, the base of each rotor 4 is cylindrical, each rotor 4 is provided with a long spiral type protrusion 41, a short spiral type protrusion 42 and a polygonal protrusion 43 on the outer circumferential side of the cylindrical shape, the long spiral type protrusion 41 extends from the left end of the rotor 4 to the right end by rotating around the central axis of the rotor by 180 °, the short spiral type protrusion 42 has the same rotating direction as the long spiral type protrusion 41, the short spiral type protrusion 42 extends to the middle of the rotor 4 by rotating around the central axis of the rotor 4 by 60 °, the polygonal protrusion 43 extends from the right end of the rotor 4 along the central axis of the rotor 4 in the axial direction, the space formed between the top of the long spiral type protrusion 41, the short spiral type protrusion 42 and the polygonal protrusion 43 and the outer circumferential side of the cylindrical shape forms a groove, the long spiral type protrusion 41, the short spiral type protrusion 42 and the polygonal protrusion 43 of the upper rotor 4 are engaged with the groove of the lower rotor 2, the long spiral type protrusion 41, the short spiral type protrusion 42 and the polygonal protrusion 43 of the lower rotor 4 are engaged with the long spiral type protrusion 41, and the polygonal protrusion 43, and the groove of the two rotors 4 are engaged with each other through the long spiral type protrusion.
The tail of the long spiral type ridge 41 is cut by 15% of the total spiral length by 90 ° in the radial direction from the axial direction of the rotor center axis toward the head, the angle between the start of the long spiral type ridge 41 and the start of the short spiral type ridge 42 is 165 °, the angle between the start of the long spiral type ridge 42 and the polygonal ridge 43 is 60 °, the head of the polygonal ridge 43 is triangular, and the length of the polygonal ridge 34 is 30% of the total cylindrical length of the rotor 4.
Specifically, the material pressing mechanism comprises two material pressing oil cylinders 71, balance blocks 72, an upper top bolt connecting rod 73 and upper top bolts 74, the two material pressing oil cylinders 71 are respectively installed on the left side and the right side of the feeding chamber 6, piston rods of the material pressing oil cylinders 71 extend upwards to be connected with the balance blocks 72, upper top bolt connecting rods 73 are connected below the balance blocks 72, the upper top bolt connecting rods 73 penetrate through the top of the feeding chamber 6 to be connected with the upper top bolts 74, the upper top bolts 74 can move up and down in the feeding chamber, sharp edges for dividing the rubber materials into two parts are arranged at the bottoms of the upper top bolts 74, as shown in fig. 7, the upper top bolts 74 are shown by solid lines when located at the top of the feeding chamber, the upper top bolts 74 are shown by dotted lines when located at the bottom of the feeding chamber, the balance blocks 72 move down under the driving of the left and right material pressing oil cylinders 71, the balance blocks 72 drive the upper top bolt connecting rods 73 to move down, the upper top bolts 73 drive the upper top bolts 74 to move down, the upper top bolts 74 to press the rubber materials to enter between the two rotors 4 and prevent the rubber materials from flowing back when the rotors 4 rotate.
Specifically, the discharging mechanism comprises 4 discharging oil cylinders 51, discharging gears, a discharging shaft, a third coupler 52 and discharging doors 53,4, wherein every two of the discharging oil cylinders 51 are oppositely arranged on the side of the mixing chamber 2, the two discharging oil cylinders 51 on the upper side share one piston rod, the two discharging oil cylinders 51 on the lower side share one piston rod, gear patterns are arranged on the piston rod, the discharging gears are meshed between the upper piston rod and the lower piston rod, the discharging gears are fixedly installed at the end parts of the discharging shaft, the discharging shaft is connected with the discharging doors 53 through the third coupler 52, the discharging doors 53 are located at the bottom of the mixing chamber, a discharging opening is formed in the middle of the lower cover 22, the discharging opening is normally shielded by the discharging doors 53, the discharging oil cylinders 51 drive the discharging gears to rotate, the discharging gears drive the discharging shaft to rotate, the discharging shaft drives the discharging doors 53 to rotate through the third coupler 52 to open the discharging opening, and processed products leak from the mixing chamber 2.
The discharging mechanism comprises 51,4 discharging oil cylinders 52, a discharging gear shaft, a third coupler, a discharging door shaft 53, 2 bolt oil cylinders 54, 2 discharging door bolts 55 and a discharging door 56,4 discharging oil cylinders 52 which are arranged on the left side and the right side of the discharging gear box 51 in a pairwise opposite mode, the discharging gear box 51 is arranged on the outer side of the mixing chamber, the discharging gear is arranged inside the discharging gear box 51, the two discharging oil cylinders 52 on the upper side share one piston rod, the two discharging oil cylinders 52 on the lower side share one piston rod, the discharging gear is meshed in a rack between the upper piston rod and the lower piston rod, the discharging gear is fixedly arranged in the middle of the discharging gear shaft, one end of the discharging gear shaft is connected with the discharging door shaft 53 through the third coupler, discharge door 56 is located mixing chamber bottom, two steel casings of installation are on discharging door 53 both sides limit, discharge door axle 53 runs through two steel casings, 2 individual bolt hydro-cylinders 54 are installed respectively in the outside between mixing chamber and base, 2 individual discharge door bolts 55 are installed respectively and are located below discharge door 56 and be connected with the piston rod of bolt hydro-cylinder respectively in the recess between mixing chamber and base, sheltered from by discharge door 56 under the discharge opening normality, discharge hydro-cylinder 52 drive discharge gear rotates, discharge gear drives the discharge shaft and rotates, the discharge shaft rotates through third shaft coupling drive discharge door 56 and opens the discharge opening, 2 individual bolt hydro-cylinders impel simultaneously respectively or pull out 2 discharge door bolts and lock or loosen the discharge door.
Specifically, a dust hood 9 is installed in front of the feeding door 61, an integrated pipe 91 is communicated with the upper portion of the dust hood 9, dust is discharged from the integrated pipe 91 after being sucked by the dust hood 9, the feeding mechanism comprises a feeding oil cylinder 81, a connecting plate and a feeding door connecting rod 82, a piston rod of the feeding oil cylinder 81 extends upwards to be connected with the connecting plate, the feeding door connecting rod 82 is connected with the lower portion of the connecting plate, the feeding door connecting rod 82 is connected with the feeding door 61, the feeding oil cylinder is driven, a powder inlet 62 is formed in the rear portion of the feeding chamber 6, the powder with the measured weight enters the feeding chamber 6 from the powder inlet 62 to be mixed with the rubber material for processing, or the mixing chamber is formed by combining a front inner container, a rear inner container, a left side plate and a right side plate of the glasses, the side plates of the glasses are divided into an upper part and a lower part, the glasses are convenient to disassemble, assemble, maintain and maintain, all the through holes are formed below the interlayer of the inner wall in contact with the rubber material and are used for allowing temperature control liquid to pass through, the purpose of adjusting the temperature of the rubber compound is achieved, and oil material automatic metering inlet holes are formed in two sides of the mixing chamber.
A rotor sealing device of an internal mixer comprises two wear-resistant steel sleeves 101, a moving ring 102 and a fixed ring 103 which are of hollow structures, wherein the two wear-resistant steel sleeves 101, the two moving ring 102 and the two fixed ring 103 are respectively and symmetrically arranged at the left end and the right end of a rotor 4, one end face of each wear-resistant steel sleeve 101 is in direct contact with rubber materials, the other end face of each wear-resistant steel sleeve 101 is exposed outside, the wear-resistant steel sleeves 101 are fixedly arranged in the side wall of the internal mixer chamber of the internal mixer through screws, one end of the rotor 4 penetrates through the wear-resistant steel sleeves 101, the moving ring 102 is sleeved at the outer peripheral side of the rotor 4, the moving ring 102 is positioned between the inner peripheral side of the wear-resistant steel sleeves 101 and the outer peripheral side of the rotor 4, the fixed ring 103 is fixedly arranged on the exposed end face of the wear-resistant steel sleeves 101 through screws and is sleeved and tightly pressed at the outer peripheral side of the moving ring 102, and a key pin 104 is arranged between the moving ring 102 and the rotor 4 in an interference manner, when the rotor 4 rotates, the key pin 104 drives the movable ring 102 to synchronously rotate, a spring 105 is arranged in the movable ring 102, a top 106 and a headless screw 107 are arranged at the left end and the right end of the spring 105, the headless screw 107 is connected with the movable ring 102 into a whole, the top 106 pushes against the side wall of the rotor 4 to compress the spring 105, the spring 105 elastically drives the movable ring 102 to move outwards to be in frictional contact with the fixed ring 103, and the movable ring 102 and the fixed ring 103 are in mutual frictional sealing fit to prevent the rotor from leaking; when the movable ring 102 and the fixed ring 103 are mounted on the right side of the rotor 4, the inner end surfaces refer to the left end surface of the movable ring 102 and the left end surface of the fixed ring 103.
In conclusion, the floor-type internal mixer disclosed by the invention is reasonable and compact in structural design, integrates the advantages of a falling internal mixer and a turnover internal mixer, overcomes the structural defects of the existing internal mixer, is high in production speed, has low requirements on the height of a factory building during installation, saves space, drives the feeding door to move upwards so as to open the closed feeding chamber, an operator can easily feed materials into the feeding chamber by standing on the ground, does not need to additionally install a heightening table, the materials entering the feeding chamber can be quickly moved downwards by the upper top bolt to enter the mixing chamber from the feeding chamber, the upper top bolt props against the upper part of the mixing chamber to prevent the materials from flowing back, the transmission mechanism drives the rotors to quickly rotate, the ribs on the two rotors quickly crush the materials, the mixing capacity is large, the mixing time is short, the production efficiency is high, the stamping mixing chamber, the transmission mechanism, the rotors, the unloading mechanism, the feeding chamber, the material pressing mechanism, the feeding mechanism and the feeding mechanism work mechanism and other devices are cooperatively and quickly operated, the automation degree is high, the product quality and the working environment are improved, the operation safety and convenience are reduced, the labor intensity and the labor cost are saved.
The above description is for the purpose of describing the invention in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments of the invention are limited to those described herein, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A kind of seat type internal mixer, it includes the base, milling chamber, drive mechanism, rotor, discharge mechanism, feed chamber, swager and feed mechanism, mount the milling chamber above the base, the milling chamber installs two rotors inside, the side of milling chamber installs the drive mechanism and the top installs the feed chamber, the feed chamber communicates with milling chamber, the side of feed chamber has feed gates, the feed mechanism drives the feed gate to move up and thus open the airtight feed chamber, the swager has upper top bolts, the upper top bolt locates in feed chamber, the upper top bolt moves down and rams the sizing material to enter milling chamber from the feed chamber, the drive mechanism drives two rotors to rotate at a high speed and pulverize the sizing material, the discharge mechanism locates under milling chamber, the discharge mechanism drives the discharge gate at the bottom of milling chamber to open and discharge the sized material from milling chamber; the two rotors have the same structure, opposite rotation directions and equal rotation speed, the base body of the rotors is cylindrical, the cylindrical peripheral side of each rotor is provided with a long spiral type convex edge, a short spiral type convex edge and a polygonal convex edge, the long spiral type convex edge extends from one end of each rotor to the other end in a spiral way by 180 degrees, the rotation directions of the short spiral type convex edge and the long spiral type convex edge are the same, the short spiral type convex edge extends to the middle part of each rotor in a spiral way by 60 degrees, the polygonal convex edge extends from the other end of each rotor along the axial direction of a central shaft of each rotor, the long spiral type convex edge, the short spiral type convex edge and the space formed between the top of the polygonal convex edge and the cylindrical peripheral side form a groove, and the two rotors are meshed and matched in the grooves of the other rotors through the respective long spiral type convex edge, the short spiral type convex edge and the polygonal convex edge; and a dust hood is arranged in front of the feeding door, and an integrator pipe is communicated with the upper part of the dust hood.
2. A land mixer as claimed in claim 1, wherein: the transmission mechanism comprises a motor, a first coupler, a reduction gearbox and a second coupler, an output shaft of the motor drives the reduction gearbox to start through the first coupler, and an output shaft of the reduction gearbox drives the two rotors to rotate through the second coupler.
3. A land mixer as claimed in claim 1, wherein: the discharging mechanism comprises a discharging gear box, 4 discharging oil cylinders, a discharging gear shaft, a third coupler, a discharging door shaft, 2 bolt oil cylinders, 2 discharging door bolts and a discharging door, wherein the 4 discharging oil cylinders are oppositely arranged on the left side and the right side of the discharging gear box, the discharging gear box is arranged on the outer side of the mixing chamber, the upper two discharging oil cylinders share a piston rod, the lower two discharging oil cylinders share a piston rod, the discharging gear is meshed in a rack between the upper piston rod and the lower piston rod, the discharging gear is fixedly arranged in the middle of the discharging gear shaft, unloading gear shaft one end is passed through the third coupling joint and is unloaded the door-hinge, it is located mixing chamber bottom to unload the door, unload and install two steel casings on the door both sides edge, it runs through two steel casings to unload the door-hinge, 2 individual bolt hydro-cylinders are installed respectively in the outside between mixing chamber and base, 2 individual unload the door bolt install respectively in the recess between mixing chamber and base lie in below unloading the door and be connected with the piston rod of bolt hydro-cylinder respectively, when unloading the door-hinge, 2 individual bolt hydro-cylinders impel respectively simultaneously or pull out 2 and unload the door bolts and lock or loosen unloading the door.
4. A land mixer as claimed in claim 1, wherein: the material pressing mechanism comprises two material pressing oil cylinders, balance blocks, an upper top bolt connecting rod and an upper top bolt, the two material pressing oil cylinders are respectively installed on the left side and the right side of the feeding chamber, a piston rod of each material pressing oil cylinder extends upwards to be connected with the balance blocks, the upper top bolt connecting rod is connected below the balance blocks and penetrates through the top of the feeding chamber to be connected with the upper top bolt, the upper top bolt can move up and down in the feeding chamber, and a sharp edge for dividing the rubber material into two parts is arranged at the bottom of the upper top bolt.
5. A land mixer as claimed in claim 1, wherein: the feeding mechanism comprises a feeding oil cylinder, a connecting plate and a feeding door connecting rod, a piston rod of the feeding oil cylinder extends upwards to be connected with the connecting plate, the feeding door connecting rod is connected below the connecting plate, and the feeding door connecting rod is connected with the feeding door.
6. A land mixer as claimed in claim 1, wherein: the side of the mixing chamber of the floor type internal mixer is provided with a rotor sealing device for preventing rubber materials from overflowing during rubber mixing, the rotor sealing device comprises a wear-resistant steel bushing with a hollow structure, a moving ring and a fixed ring, the wear-resistant steel bushing is fixedly arranged in the side wall of the mixing chamber of the floor type internal mixer, one end of a rotor penetrates through the wear-resistant steel bushing, the moving ring is sleeved on the outer peripheral side of the wear-resistant steel bushing, the moving ring is positioned between the inner peripheral side of the wear-resistant steel bushing and the outer peripheral side of the rotor, the fixed ring is fixedly arranged on the exposed end face of the wear-resistant steel bushing through screws and is tightly sleeved on the outer peripheral side of the moving ring, a key pin is arranged between the moving ring and the rotor in an interference fit mode, the moving ring is driven to synchronously rotate through the key pin when the rotor rotates, a spring is arranged inside the moving ring, a jacking head and headless screws are arranged at the left end and the right end of the spring, the jacking head jacks a compression spring on the side wall of the rotor, the spring elastically drives the moving ring to make frictional contact with the fixed ring, and the moving ring are in a mutual frictional sealing fit mode so as to prevent the occurrence of powder leakage and the leakage of the rubber materials during mixing.
7. A land mixer as claimed in claim 1, wherein: the mixing chamber is composed of an upper cover and a lower cover or a front inner container, a rear inner container, a left glasses side plate and a right glasses side plate, and a powder inlet is arranged behind the feeding chamber.
8. A land mixer as claimed in claim 1, wherein: the rotor is a meshed rotor or a tangent rotor.
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| CN201710140104.6A CN107053513B (en) | 2017-03-10 | 2017-03-10 | Ground-based internal mixer |
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| CN107399022A (en) * | 2017-08-22 | 2017-11-28 | 张家港市兰航机械有限公司 | Rotor seals in banbury |
| CN108189263A (en) * | 2018-01-04 | 2018-06-22 | 大连嘉尔新橡塑机械有限公司 | Double-hydraulic engagement type masticator |
| CN109780215B (en) * | 2018-07-12 | 2024-04-19 | 广东维钠智能密炼机械科技有限公司 | Double-moving-ring Shan Dinghuan interlocking internal-pressure sealing device |
| CN111497052B (en) * | 2018-07-27 | 2022-01-07 | 青岛科技大学 | Improved internal mixer overturning system, feeding device and method |
| CN109352853A (en) * | 2018-10-23 | 2019-02-19 | 昆山兵仕机械有限公司 | A kind of sealing assembled mixer |
| CN110405971A (en) * | 2019-07-26 | 2019-11-05 | 大连德宇机械有限公司 | A kind of mixer system |
| CN111702978A (en) * | 2020-06-28 | 2020-09-25 | 安徽立信橡胶科技有限公司 | Meshing type closed rubber mixing mill and working method thereof |
| CN112454710B (en) * | 2020-11-28 | 2022-06-10 | 深圳海源恒业高新材料科技研发有限公司 | Rubber banburying processing equipment based on green |
| CN113085045B (en) * | 2021-04-01 | 2023-02-03 | 浙江百朗士橡塑科技有限公司 | Preparation process and processing equipment of self-lubricating silica gel |
| CN113146876A (en) * | 2021-04-29 | 2021-07-23 | 安徽瑞弗新材料有限公司 | Hydraulic discharge door mechanism of internal mixer |
| CN115122523B (en) * | 2022-07-05 | 2023-06-13 | 浙江天书密封件有限公司 | PTFE rubber composite production line |
| CN115847653B (en) * | 2023-02-28 | 2023-05-09 | 江苏怀品新材料有限公司 | Mixing equipment for rubber floor production |
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Effective date of registration: 20210118 Address after: 529400 pingzhouwei en'an company, Juntang Town, Jiangmen City, Guangdong Province Applicant after: Guangdong Weina intelligent internal mixer Technology Co.,Ltd. Address before: No. 37, shanggantun, Xiajiu village, Chuanshan Town, Huanjiang Maonan Autonomous County, Hechi City, Guangxi Zhuang Autonomous Region Applicant before: Wei Funong |
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