CN212445882U

CN212445882U - Internal mixer

Info

Publication number: CN212445882U
Application number: CN202020899313.6U
Authority: CN
Inventors: 庞士胜; 赵聪
Original assignee: Shandong Guanju Polymer Materials Co ltd
Current assignee: Shandong Guanju Polymer Materials Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-02
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to an internal mixer, which comprises a mixing bin, wherein one side of the mixing bin is provided with a power bin, a rotor is arranged in the mixing bin, the rotor comprises a driving rotor and driven rotors which are positioned on two sides of the driving rotor and are parallel to each other, two ends of the rotor are rotatably connected with the mixing bin, and one end of the rotor passes through the mixing bin and extends to the power bin; one end of the rotor extending to the power bin is provided with a transmission assembly, a driving assembly is arranged in the power bin, and the driving assembly is connected with the transmission assembly; the rotors also comprise helical blades arranged on the outer walls of the rotors, and the helical directions of the helical blades on two adjacent rotors are opposite; the rotor also comprises a spiral stirring blade arranged on the outer side of the spiral blade, and the inclination direction of the spiral blade is opposite to that of the spiral stirring blade. The utility model discloses have and carry out intensive mixing's effect to compounding agent and sizing material.

Description

Internal mixer

Technical Field

The utility model belongs to the technical field of the technique of macromolecular material processing and specifically relates to a banbury mixer is related to.

Background

The closed rubber mixing machine is called as internal mixer, also called as kneading machine, and is mainly used for plasticating and mixing rubber. The mixer is provided with a pair of rotors with specific shapes and rotating relatively, and the added compounding ingredients and sizing materials are stirred, and the mixer mainly comprises a mixing chamber, the rotors, a rotor sealing device, a feeding and pressing device, a discharging device, a transmission device, a machine base and the like.

In the prior art, reference may be made to a utility model patent with an authorization publication number of CN204263387U, which discloses a series internal mixer, comprising a first internal mixer arranged on a frame body and a second internal mixer connected with the first internal mixer through a connecting device, wherein the first internal mixer is arranged above the second internal mixer, and the first internal mixer and the second internal mixer are respectively driven by a first motor and a second motor; first banbury mixer and second banbury mixer all are provided with rotor structure, and rotor structure includes pivot and pivot coaxial arrangement's rotor body and sets up in rotor body's shearing arris.

The above prior art solutions have the following drawbacks: when this banbury mixer stirs compounding agent and sizing material, stir and mix two through two epaxial stirring leaves of changeing, at the in-process of stirring, because the space between two stirring leaves is great, and sizing material and compounding agent are all smaller, and sizing material and compounding agent are difficult to the stirring, and the product quality that processing was come out when carrying out the mill on next step is not high like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an internal mixer has the effect of carrying out the intensive mixing to compounding ingredient and sizing material.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an internal mixer comprises a stirring bin, wherein the top of the stirring bin is provided with a feeding device, and the bottom of the stirring bin is provided with a discharging device; a power bin is arranged on one side of the stirring bin, a rotor is arranged in the stirring bin, the rotor comprises a driving rotor and driven rotors which are positioned on two sides of the driving rotor and are parallel to each other, two ends of the rotor are rotatably connected with the stirring bin, and one end of the rotor penetrates through the stirring bin and extends to the power bin; one end of the rotor extending to the power bin is provided with a transmission assembly, a driving assembly is arranged in the power bin, and the driving assembly is connected with the transmission assembly; the rotors also comprise helical blades arranged on the outer walls of the rotors, and the helical directions of the helical blades on two adjacent rotors are opposite; the rotor also comprises a spiral stirring blade arranged on the outer side of the spiral blade, and the inclination direction of the spiral blade is opposite to that of the spiral stirring blade.

By adopting the technical scheme, the compounding agent and the sizing material enter the stirring bin through the feeding device, the driving assembly in the power bin rotates to drive the transmission assembly to rotate, and the transmission assembly rotates to drive the three parallel rotors to rotate in the stirring bin; the compounding agent and the sizing material are firstly stirred in a reciprocating mode through the spiral stirring blade, the inclination direction of the spiral blade is opposite to that of the spiral stirring blade, a cavity for accommodating the spiral blade is formed inside the spiral stirring blade, the compounding agent and the sizing material can move towards one side of the stirring bin by the spiral stirring blade, the compounding agent and the sizing material can fall into the spiral blade after being stirred by the spiral stirring blade, the compounding agent and the sizing material are driven by the spiral blade to stir, and the compounding agent and the sizing material falling into the spiral blade are driven by the spiral blade to rotate for a circle and then are sprayed towards the other side, so that the compounding agent and the sizing material are respectively thrown out towards two sides of the rotor when passing through the spiral stirring blade and the spiral blade, a cycle is formed, and stable operation of the stirring blade is guaranteed; therefore, through the arrangement of the three rotors and the stirring blades, the cavity in the stirring bin is completely filled by the rotors, and the compounding agent and the sizing material can be fully stirred.

The present invention may be further configured in a preferred embodiment as: the outer side of the spiral stirring blade is attached to the inner side wall of the stirring bin.

Through adopting above-mentioned technical scheme, the spiral stirring leaf is at the pivoted in-process, and adjacent spiral stirring leaf can be to the effect of the inside wall production power in stirring the storehouse to the compounding agent and the sizing material that drive stirring storehouse inside wall department rotate, make it take to stir the storehouse by the spiral stirring leaf and be close to central point department, and then stirred by spiral stirring leaf and helical blade, make compounding agent and sizing material homogeneous mixing.

The present invention may be further configured in a preferred embodiment as: the transmission assembly comprises a driving gear fixedly arranged at one end of a driving rotor, driven gears are meshed with both sides of the driving gear, and the two driven gears are fixedly connected with the driven rotors on both sides respectively; the driving rotor passes through the center of the driving gear and is connected with the driving assembly.

Through adopting above-mentioned technical scheme, drive assembly rotates, drives initiative rotor and driving gear and rotates to drive driven gear and driven rotor and rotate, and then realize initiative rotor and driven rotor's antiport, carry out intensive mixing to compounding agent and sizing material in the stirring storehouse.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a first driving motor fixedly connected with the power bin, and an output shaft of the first driving motor is fixedly connected with the driving rotor.

Through adopting above-mentioned technical scheme, driving motor rotates, drives initiative rotor and driving gear and rotates to drive driven gear and driven rotor and rotate, and then realize the antiport of initiative rotor and driven rotor.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a second driving motor, a first bevel gear is fixedly connected to an output shaft of the second driving motor and is perpendicular to the driving gear, a second bevel gear is perpendicularly arranged at one end of the first bevel gear and can be meshed with the first bevel gear, a third bevel gear is perpendicularly arranged at the other end of the first bevel gear and can be meshed with the third bevel gear, the second bevel gear and the third bevel gear are fixedly connected with the driving rotor, and the first bevel gear is provided with gear teeth not larger than half.

By adopting the technical scheme, the second driving motor rotates and drives the first bevel gear to rotate, and when the first bevel gear rotates to be meshed with the second bevel gear, the second bevel gear drives the driving rotor to rotate towards one direction; when the first bevel gear rotates to be meshed with the third bevel gear, the third bevel gear drives the driving rotor to rotate reversely towards the other direction; under the prerequisite that driving motor two need not just reversing, can realize the reverse rotation in turn of initiative rotor, finally realize stirring vane's reverse rotation in turn, make material and stirring vane continuously be in relative motion's state to carry out intensive mixing to the material, promote the degree of consistency of material.

The present invention may be further configured in a preferred embodiment as: the feeding device comprises a feeding bin positioned on the upper part of the stirring bin, and the upper part of the feeding bin is hinged with a bin cover.

Through adopting above-mentioned technical scheme, be equipped with the feeding storehouse on the upper portion in stirring the storehouse, be convenient for carry out large batch feeding through the feeding storehouse to stirring the storehouse, improve work efficiency.

The present invention may be further configured in a preferred embodiment as: the length of the feeding bin is equal to that of the stirring bin.

Through adopting above-mentioned technical scheme, the opening in feeding storehouse is unanimous with the upper surface size in stirring the storehouse, makes things convenient for once only to carry out big batch feeding to stirring the storehouse, can prevent at the in-process of feeding and leak the material, can improve feeding efficiency again.

The present invention may be further configured in a preferred embodiment as: the discharging device comprises a discharging door hinged to the bottom of the stirring bin, an air cylinder is hinged to the bottom of the discharging door, a piston rod of the air cylinder is hinged to the discharging door, and a base of the air cylinder is hinged to the frame body.

By adopting the technical scheme, the air cylinder is hinged to the bottom of the discharge door, and the piston rod of the air cylinder contracts to drive the discharge door to rotate downwards along the hinged end, so that the discharge door is opened; the piston rod extension of cylinder drives the discharge door and upwards rotates along the hinged end to realize closing of discharge door, the process of conveniently unloading goes on.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the three rotors, the spiral directions of the spiral blades on the two adjacent rotors are opposite, and the inclination directions of the spiral blades are opposite to the inclination directions of the spiral stirring blades, so that the cavity in the stirring bin is completely filled by the rotors, and the compounding agent and the sizing material can be fully stirred;

2. the reverse rotation of the driving rotor and the driven rotor is realized through the arrangement of the driving gear and the driven gear, and the compounding agent and the sizing material in the stirring bin are fully stirred;

3. through the setting of three bevel gear, under the prerequisite that driving motor two need not just reversing, can realize the reverse rotation in turn of initiative rotor, finally realize stirring vane's reverse rotation in turn, make material and stirring vane continuously be in relative motion's state to carry out intensive mixing to the material.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a schematic view for highlighting the structure of the rotor in embodiment 1;

FIG. 3 is a schematic view of the entire structure of embodiment 2;

FIG. 4 is a schematic view showing the structure of the driving unit according to embodiment 2.

In the figure, 1, a stirring bin; 2. a feeding device; 21. a feeding bin; 22. a bin cover; 23. a second support frame; 24. a third support frame; 25. a hydraulic cylinder; 3. a discharge device; 31. a discharge door; 32. a first support frame; 33. a cylinder; 4. a power bin; 5. a rotor; 51. a driving rotor; 52. a driven rotor; 53. a helical blade; 54. a spiral stirring blade; 6. a transmission assembly; 61. a driving gear; 62. a driven gear; 7. a drive assembly; 71. driving a motor I; 72. a second driving motor; 73. a first bevel gear; 74. a second bevel gear; 75. a third bevel gear; 8. a dust cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: referring to fig. 1 and 2, in order to disclose the utility model, the internal mixer comprises a stirring bin 1, a feeding device 2, a discharging device 3 and a power bin 4, wherein the feeding device 2 is positioned at the top of the stirring bin 1, the discharging device 3 is positioned at the bottom of the stirring bin 1, and the power bin 4 is positioned at one side of the stirring bin 1; a rotor 5 is connected in the stirring bin 1, two ends of the rotor 5 are rotatably connected with the stirring bin 1, and one end of the rotor passes through the stirring bin 1 and extends to the power bin 4; one end of the rotor 5 extending to the power bin 4 is connected with a transmission assembly 6, a driving assembly 7 is arranged in the power bin 4, and the driving assembly 7 is connected with the transmission assembly 6. The driving component 7 rotates to drive the transmission component 6 to rotate, and the transmission component 6 drives the rotor 5 to rotate, so that the compounding ingredients and the rubber materials in the stirring bin 1 are fully stirred and banburied.

Referring to fig. 1, the feeding device 2 comprises a feeding bin 21 positioned at the upper part of the stirring bin 1, the length of the feeding bin 21 is equal to that of the stirring bin 1, and a bin cover 22 is hinged to the upper part of the feeding bin 21; a second support frame 23 is fixedly connected to the bin cover 22, a third L-shaped support frame 24 is fixedly connected to the side wall of the stirring bin 1, and one end, far away from the bin cover 22, of the second support frame 23 is hinged to the third support frame 24; articulated between support frame two 23 and the support frame three 24 have two parallel arrangement's pneumatic cylinder 25, and the base of two pneumatic cylinders 25 all is articulated with support frame three 24, and the piston rod of two pneumatic cylinders 25 all is articulated with support frame two 23. A piston rod of the hydraulic cylinder 25 contracts to drive the second support frame 23 and the bin cover 22 to rotate upwards along the hinged end, so that the bin cover 22 is opened; and a piston rod of the hydraulic cylinder 25 extends to drive the second support frame 23 and the bin cover 22 to rotate downwards along the hinged end, so that the bin cover 22 is closed.

Referring to fig. 1 and 2, the rotor 5 includes a driving rotor 51 and driven rotors 52 which are located at both sides of the driving rotor 51 and are parallel to each other, the rotor 5 further includes helical blades 53 which are fixedly arranged on the outer wall of the rotor 5, and the helical directions of the helical blades 53 on two adjacent rotors 5 are opposite; the rotor 5 further comprises a spiral stirring blade 54 fixedly arranged on the outer side of the spiral blade 53, the outer side of the spiral stirring blade 54 is attached to the inner side wall of the stirring bin 1, and the inclination direction of the spiral blade 53 is opposite to that of the spiral stirring blade 54. Through the arrangement of the three rotors 5 and the inner and outer stirring blades, the cavity in the stirring bin 1 is completely filled by the rotors 5, and the compounding agent and the rubber material can be fully stirred and banburied.

The transmission assembly 6 comprises a driving gear 61 fixedly arranged at one end of a driving rotor 51, driven gears 62 are respectively meshed with two sides of the driving gear 61, the two driven gears 62 are respectively and fixedly connected with driven rotors 52 at two sides, the driving rotor 51 penetrates through the center of the driving gear 61 and is connected with a driving assembly 7, and a dust cover 8 is fixedly arranged on the outer side of the transmission assembly 6. The driving assembly 7 comprises a first driving motor 71 fixedly connected with the power bin 4, and an output shaft of the first driving motor 71 is fixedly connected with the driving rotor 51 through a coupler. The first driving motor 71 drives the driving rotor 51 to rotate, so that the driving gear 61 and the driven gear 62 are driven to rotate, the driving rotor 51 and the driven rotor 52 are finally rotated in the opposite directions, and the compounding ingredients and the rubber materials in the stirring bin 1 are fully stirred and banburied.

Referring to fig. 1, the discharging device 3 comprises a discharging door 31 hinged to the bottom of the stirring bin 1, and two parallel cylinders 33 are hinged to the bottom of the discharging door 31; an L-shaped support frame I32 is fixedly arranged on the stirring bin 1, a piston rod of an air cylinder 33 is hinged with the discharging door 31, and a base of the air cylinder 33 is hinged with the support frame I32. The piston rod of the cylinder 33 contracts to drive the discharge door 31 to rotate downwards along the hinged end, so that the discharge door 31 is opened; the piston rod of the cylinder 33 extends to drive the discharge door 31 to rotate upwards along the hinged end, so that the discharge door 31 is closed.

The implementation principle of the embodiment is as follows: when the internal mixer is used, firstly, the hydraulic cylinder 25 is started to open the bin cover 22, and the compounding agent and the sizing material are put into the stirring bin 1 through the feeding bin 21; then, starting a first driving motor 71 to drive the transmission assembly 6 and the rotor 5 to rotate, and fully stirring the compounding agent and the sizing material by the rotor 5; finally, after banburying is finished, the air cylinder 33 is started to open the discharging door 31, and the materials are discharged from the discharging door 31 to finish discharging.

Example 2: the difference from the embodiment 1 is that, referring to fig. 3 and 4, the driving assembly 7 includes a second driving motor 72, a first bevel gear 73, a second bevel gear 74 and a third bevel gear 75, the second driving motor 72 is fixed inside the power bin 4, and the output shaft thereof is fixedly connected with the first bevel gear 73; the first bevel gear 73 is vertical to the driving gear 61, the second bevel gear 74 is vertical to the first bevel gear 73 and can be meshed with one end of the first bevel gear 73 far away from the driving gear 61, the third bevel gear 75 is vertical to the first bevel gear 73 and can be meshed with one end of the first bevel gear 73 near the driving gear 61, and both the second bevel gear 74 and the third bevel gear 75 are fixedly connected with the driving rotor 51; the first bevel gear 73 is provided with only one-half of the teeth, and the diameter of the first bevel gear 73 is twice the diameter of the second bevel gear 74 and the third bevel gear 75. And starting the second driving motor 72, and when the second bevel gear 74 and the third bevel gear 75 are respectively meshed with the first bevel gear 73, the rotating directions of the driving rotor 51 are opposite, so that the reverse alternate rotation of the stirring blades is finally realized, and the stirring uniformity is ensured.

The implementation principle of the embodiment is as follows: when the internal mixer is used, firstly, the hydraulic cylinder 25 is started to open the bin cover 22, and the compounding agent and the sizing material are put into the stirring bin 1 through the feeding bin 21; then, starting a second driving motor 72 to drive the bevel gear to rotate, so as to drive the transmission assembly 6 and the rotor 5 to continuously and reversely rotate alternately, and the rotor 5 fully stirs the compounding agent and the sizing material; finally, after banburying is finished, the air cylinder 33 is started to open the discharging door 31, and the materials are discharged from the discharging door 31 to finish discharging.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an internal mixer, includes stirring storehouse (1), the top in stirring storehouse (1) is equipped with feed arrangement (2), and the bottom is equipped with discharge apparatus (3), its characterized in that: a power bin (4) is arranged on one side of the stirring bin (1), a rotor (5) is arranged in the stirring bin (1), the rotor (5) comprises a driving rotor (51) and driven rotors (52) which are positioned on two sides of the driving rotor (51) and are parallel to each other, two ends of the rotor (5) are rotatably connected with the stirring bin (1), and one end of the rotor penetrates through the stirring bin (1) and extends to the power bin (4); one end of the rotor (5) extending to the power bin (4) is provided with a transmission assembly (6), a driving assembly (7) is arranged in the power bin (4), and the driving assembly (7) is connected with the transmission assembly (6); the rotor (5) further comprises helical blades (53) arranged on the outer wall of the rotor (5), and the helical directions of the helical blades (53) on two adjacent rotors (5) are opposite; the rotor (5) further comprises a spiral stirring blade (54) arranged on the outer side of the spiral blade (53), and the inclination direction of the spiral blade (53) is opposite to that of the spiral stirring blade (54).

2. An internal mixer according to claim 1, characterized in that: the outer side of the spiral stirring blade (54) is attached to the inner side wall of the stirring bin (1).

3. An internal mixer according to claim 1, characterized in that: the transmission assembly (6) comprises a driving gear (61) fixedly arranged at one end of a driving rotor (51), driven gears (62) are meshed with two sides of the driving gear (61), and the two driven gears (62) are fixedly connected with driven rotors (52) at two sides respectively; the driving rotor (51) passes through the center of the driving gear (61) and is connected with the driving assembly (7).

4. An internal mixer according to claim 3, characterized in that: the driving assembly (7) comprises a first driving motor (71) fixedly connected with the power bin (4), and an output shaft of the first driving motor (71) is fixedly connected with the driving rotor (51).

5. An internal mixer according to claim 3, characterized in that: the driving assembly (7) comprises a second driving motor (72), a first bevel gear (73) is fixedly connected to an output shaft of the second driving motor (72), the first bevel gear (73) is perpendicular to the driving gear (61), one end of the first bevel gear (73) is perpendicularly provided with a second bevel gear (74) and the first bevel gear and the second bevel gear can be meshed with each other, the other end of the first bevel gear (73) is perpendicularly provided with a third bevel gear (75) and the third bevel gear can be meshed with each other, the second bevel gear (74) and the third bevel gear (75) are fixedly connected with the driving rotor (51), and the first bevel gear (73) is provided with gear teeth not larger than one half.

6. An internal mixer according to claim 1, characterized in that: the feeding device (2) comprises a feeding bin (21) positioned on the upper part of the stirring bin (1), and the upper part of the feeding bin (21) is hinged with a bin cover (22).

7. An internal mixer according to claim 6, characterized in that: the length of the feeding bin (21) is equal to that of the stirring bin (1).

8. An internal mixer according to claim 1, characterized in that: the discharging device (3) comprises a discharging door (31) hinged to the bottom of the stirring bin (1), and the bottom of the discharging door (31) is hinged to an air cylinder (33); a first support frame (32) is fixedly arranged on the stirring bin (1), a piston rod of the air cylinder (33) is hinged with the discharging door (31), and a base of the air cylinder (33) is hinged with the first support frame (32).