CN216658520U

CN216658520U - Rubber continuous mixing closed rubber mixing mill

Info

Publication number: CN216658520U
Application number: CN202123002256.0U
Authority: CN
Inventors: 袁仁刚; 王平
Original assignee: Changzhou Shengxin Tools Co ltd
Current assignee: Changzhou Shengxin Tools Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-03
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a rubber continuous mixing closed rubber mixing mill, which relates to the technical field of rubber mixing mills and comprises a base, wherein a heat insulation bin is fixedly arranged on the upper wall surface of the base, a mixing chamber is fixedly arranged in the heat insulation bin, a heating resistance wire is fixedly arranged in the side wall of the mixing chamber, cutting teeth are fixedly arranged on the inner wall surface of the mixing chamber, and a reduction box is fixedly arranged on the upper wall surface of the base and positioned on the right side of the heat insulation bin. So as to continuously feed and discharge materials and improve the working efficiency.

Description

Rubber continuous mixing closed rubber mixing mill

Technical Field

The utility model relates to the technical field of rubber mixing machines, in particular to a rubber continuous mixing closed rubber mixing machine.

Background

Rubber mixing machines are divided into an open type rubber mixing machine and a closed type rubber mixing machine, the open type rubber mixing machine is mainly used for rubber hot mixing, tabletting, rubber breaking, plastifying, mixing and the like, the open type rubber mixing machine is used for production in 1826, the structure of the open type rubber mixing machine is simple, and the open type rubber mixing machine is still commonly used in modern times; the closed rubber mixing mill is mainly used for plasticating and mixing of rubber, has one more mixing chamber than an open rubber mixing mill, has been developed rapidly in the rubber industry since the utility model of an elliptical rotor closed rubber mixing mill in 1916, has appeared later, has a mixing period of 2.5-3 minutes and a maximum capacity of 650 liters, and is called a closed rubber mixing mill for short for rubber, and is mainly used for plasticating and mixing of rubber, the closed rubber mixing mill is a machine which is provided with a pair of rotors with specific shapes and rotating relatively and used for plasticating and mixing polymer materials in a clearance manner under a closed state with adjustable temperature and pressure, and mainly comprises the mixing chamber, the rotors, a rotor sealing device, a material pressing device, a material discharging device, a transmission device, a machine base and the like, when the closed rubber mixing mill works, the two rotors rotate relatively, the material from the feed inlet is clamped and carried into a roll gap to be extruded and sheared by a rotor, the material passes through the roll gap and then touches a sharp edge of a lower top bolt to be divided into two parts, the two parts respectively return to the upper part of the roll gap along a gap between a front chamber wall and a rear chamber wall as well as a gap between the rotor and the rotor, the material is sheared and rubbed everywhere in a circle of revolving flow, so that the temperature of the rubber material is increased sharply, the viscosity is reduced, the wettability of the rubber on the surface of a compounding agent is increased, the rubber is in full contact with the surface of the compounding agent, the compounding agent blocks pass through the gap between the rotor and the rotor, the gaps between the rotor and the upper and lower top bolts as well as the inner wall of an internal mixing chamber along with the rubber material to be sheared and crushed, are surrounded by rubber which is deformed by stretching, and are stabilized in a crushing state, meanwhile, the convex edges on the rotor enable the rubber material to move along the axial direction of the rotor to play a stirring and mixing role, so that the compounding agent is mixed uniformly in the rubber material, and the compounding agent is repeatedly sheared and crushed in such a way, the rubber material is repeatedly deformed and recovered, the rotor ribs are continuously stirred, so that the compounding agent is uniformly dispersed in the rubber material and reaches a certain dispersion degree, the shearing action of the rubber material during mixing of the internal mixer is much larger than that of an open mill, the mixing temperature is high, the rubber mixing efficiency of the internal mixer is greatly higher than that of the open mill, the mixing is a process of mixing raw rubber or plasticated raw rubber and the compounding agent into mixed rubber by using a rubber mixing mill, the mixing process is the most important production process for rubber processing, the essential point is that the compounding agent is uniformly dispersed in the raw rubber, the granular compounding agent is in a dispersion phase, and the raw rubber is in a continuous phase.

Like a name is rubber continuous mixing internal rubber mixing machine, utility model with publication number CN213260471U discloses an internal mixer, and this internal mixer has the time of evacuation semivacuum longer, and the internal mixer inside pressure release gas leakage easily after the extraction gas leads to the technical problem of banburying efficiency reduction, all need open hinge and contact vacuum semivacuum at every turn just can feed in raw material, leads to the technical problem that can not feed in succession.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a rubber continuous mixing closed rubber mixing mill, which solves the technical problems that in the prior art, the vacuumizing and semi-vacuum time is longer, the pressure and air leakage are easy to occur in the internal mixer after the air is extracted, the internal mixing efficiency is reduced, and the continuous feeding can not be realized as the hinge is required to be opened and the vacuum semi-vacuum is contacted every time.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a rubber continuous mixing closed rubber mixing mill comprises a base and is characterized in that a heat insulation bin is fixedly mounted on the upper wall surface of the base, a mixing chamber is fixedly mounted in the heat insulation bin, a heating resistance wire is fixedly mounted in the side wall of the mixing chamber, cutting teeth are fixedly mounted on the inner wall surface of the mixing chamber, a reduction box is fixedly mounted on the upper wall surface of the base and positioned on the right side of the heat insulation bin, a motor is fixedly mounted on the upper wall surface of the base and positioned on the right side of the reduction box, a driving gear is fixedly connected to the drive end of the motor through the right wall of the reduction box, a reduction shaft is rotatably mounted in the reduction box, a driven gear is sleeved in the middle of the reduction shaft, the driving gear is meshed with the driven gear, the reduction shaft is fixedly connected with a coupling input end through the left wall of the reduction box, a main shaft is rotatably mounted in the mixing chamber, and the main shaft is fixedly connected to an output end of the coupling through the right wall of the mixing chamber, the outer fixed mounting of main shaft that is located the mixing chamber has the cutter, mixing chamber upper wall fixed mounting has feed arrangement, mixing chamber antetheca fixed mounting has discharging device.

Preferably, feed arrangement includes the inlet pipe, and affiliated inlet pipe fixed mounting has seted up the valve mouth on the banburying room wall, and wall fixed mounting has first pneumatic cylinder on the affiliated heat insulation storehouse, the flexible fixed mounting of first pneumatic cylinder has the valve plate, valve plate slidable mounting is in the inlet pipe, wall fixed mounting has the second pneumatic cylinder on the inlet pipe, the flexible fixed mounting of affiliated second pneumatic cylinder has the clamp plate, clamp plate slidable mounting is in the inlet pipe.

Preferably, a compounding agent box is fixedly mounted on the upper wall surface of the base and located on the rear side of the reduction gearbox, a water pump is fixedly mounted on the front side wall of the compounding agent box, a water outlet of the water pump is fixedly connected with a water inlet of a transfusion tube, and a water outlet of the transfusion tube is fixedly connected to the side wall surface of the feeding tube.

Preferably, the wall just is located heat-insulating bin rear side fixed mounting and has former feed bin on the base, former feed bin downside fixed mounting has motorized pulley, wall fixed mounting has feeding pipe under the motorized pulley, feeding pipe discharge gate fixed connection is in wall under the inlet pipe.

Preferably, the upper wall surface of the base is fixedly provided with a conveyor belt, the front wall surface of the banburying chamber is fixedly provided with a discharge pipe, and the discharge pipe is fixedly provided with an electric valve.

Preferably, a sensor is fixedly arranged on the side wall surface of the mixing chamber.

Advantageous effects

The utility model provides a rubber continuous mixing closed rubber mixing machine, which can continuously work and mix rubber once a device is started through a heating and pressurizing mixing chamber capable of maintaining a relatively constant pressure and a constant temperature for a long time, can preprocess raw materials through a raw material bin structure device, improves the processing efficiency, reduces the working pressure of the mixing chamber, ensures that the raw materials in the mixing chamber are not easy to overflow through a feed inlet through a pressurizing and feeding device, keeps relatively stable pressure of the mixing chamber through the balance of feeding of a discharge outlet and the feed inlet, is convenient for continuous feeding and discharging, and improves the working efficiency.

Drawings

FIG. 1 is a schematic structural view of an internal rubber mixing mill for continuous rubber mixing according to the present invention.

FIG. 2 is a schematic sectional view of the rubber continuous mixing internal rubber mixer of the present invention.

In the figure: 1. a base; 2. a heat insulation bin; 3. an internal mixing chamber; 4. heating resistance wires; 5. cutting teeth; 6. a reduction gearbox; 7. a motor; 8. a driving gear; 9. a deceleration shaft; 10. a driven gear; 11. a coupling; 12. a main shaft; 13. a cutter; 14. a feed pipe; 15. a first hydraulic cylinder; 16. a valve plate; 17. a second hydraulic cylinder; 18. pressing a plate; 19. a compounding agent box; 20. a water pump; 21. a transfusion tube; 22. a raw material bin; 23. an electric roller; 24. a feeding pipe; 25. a conveyor belt; 26. a discharge pipe; 27. an electrically operated valve; 28. a sensor; .

Detailed Description

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

Referring to fig. 1-2, the present invention provides a technical solution: the rubber continuous mixing closed rubber mixing mill comprises a base 1 and is characterized in that a heat insulation bin 2 is fixedly mounted on the upper wall surface of the base 1, an internal mixing chamber 3 is fixedly mounted in the heat insulation bin 2, a heating resistance wire 4 is fixedly mounted in the side wall of the internal mixing chamber 3, cutting teeth 5 are fixedly mounted on the inner wall surface of the internal mixing chamber 3, a reduction box 6 is fixedly mounted on the upper wall surface of the base 1 and positioned on the right side of the heat insulation bin 2, a motor 7 is fixedly mounted on the upper wall surface of the base 1 and positioned on the right side of the reduction box 6, a driving end of the motor 7 penetrates through the right wall of the reduction box 6 to be fixedly connected with a driving gear 8, a reduction shaft 9 is rotatably mounted in the reduction box 6, a driven gear 10 is sleeved in the middle of the reduction shaft 9, the driving gear 8 is meshed with the driven gear 10, the reduction shaft 9 penetrates through the left wall of the reduction box 6 to be fixedly connected with an input end of a coupler 11, the internal rotation of mixing chamber 3 installs main shaft 12, main shaft 12 passes mixing chamber 3 right wall fixed connection in shaft coupling 11 output, the outer fixed mounting of main shaft 12 that is located mixing chamber 3 has cutter 13, mixing chamber 3 upper wall fixed mounting has feed arrangement, mixing chamber 3 front wall fixed mounting has discharging device, feed arrangement includes inlet pipe 14, affiliated inlet pipe 14 fixed mounting has a wall on mixing chamber 3, affiliated inlet pipe 14 lateral wall has seted up the valve mouth, affiliated heat insulation storehouse 2 upper wall fixed mounting has first pneumatic cylinder 15, first pneumatic cylinder 15 telescopic end fixed mounting has valve plate 16, valve plate 16 slidable mounting is in inlet pipe 14, inlet pipe 14 upper wall fixed mounting has second pneumatic cylinder 17, affiliated second pneumatic cylinder 17 telescopic end fixed mounting has clamp plate 18, clamp plate 18 slidable mounting is in inlet pipe 14, wall and be located 6 rear sides fixed mounting of reducing gear box have compounding agent case 19 on base 1, lateral wall fixed mounting has water pump 20 before compounding agent case 19, water pump 20 delivery port fixedly connected with transfer line 21 water inlet, transfer line 21 delivery port fixed connection is in the 14 lateral wall faces of inlet pipe, base 1 is gone up the wall and is located 2 rear sides fixed mounting in thermal-insulated storehouse and has former feed bin 22, former feed bin 22 downside fixed mounting has motorized pulley 23, material pipe 24 is thrown to material pipe 23 lower wall face fixed mounting, material pipe 24 discharge gate fixed connection is wall under the inlet pipe 14, wall fixed mounting has conveyer belt 25 on

base

1, 3 preceding wall fixed mounting in banburying chamber have discharging pipe 26, fixed mounting has electric valve 27 on the

discharging pipe

26, 3 lateral wall faces fixed mounting in banburying chamber has sensor 28.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as shown in fig. 1-2, in the figure, a heating resistance wire 4, a motor 7, a first hydraulic cylinder 15, a second hydraulic cylinder 17, a water pump 20, an electric roller 23, a conveyor belt 25, an electric valve 27 and a sensor 28 are connected with an external controller power supply and a liquid source through leads and pipelines, in the working process, the controller controls the motor 7 and the heating resistance wire 4 to work, the temperature in an internal mixing chamber 3 rises at the moment, raw material rubber is added into a raw material bin 22, a compounding ingredient is added into a compounding ingredient bin 19, the raw material enters a feeding pipe 14 through a feeding pipe 24 after being rolled and crushed by the electric roller 23, the water pump 20 is driven to feed the compounding ingredient into the feeding pipe 14 through a liquid conveying pipe 21, the compounding ingredient and the raw material in the feeding pipe 14 are mixed, the second hydraulic cylinder 17 is driven, the first hydraulic cylinder 15 opens a valve plate 16, the raw material and the compounding ingredient are pressed into the internal mixing chamber 3 through a pressing plate 18, starting motor 7, motor 7 drive shaft is through driving gear 8 and driven gear 10 speed reduction in the reducing gear box 6, through having reduction shaft 9 to pass through shaft coupling 11 and transmitting for main shaft 12, main shaft 12 is rotatory to drive cutter 13 and is rotatory, cutter 13, cutter 5 smashes the raw materials and mixes the stirring with compounding agent, intensive mixing under high temperature and material self pressure, after a period of time smelts the material, open electric valve 27, the finished product spreads through discharge gate and conveyer belt 25, close electric valve 27 and send into new raw materials, keep the pressure in the banburying chamber 3 to keep relatively stable, in-process when the clamp plate 18 presses the material, electric drum 23 stop work, prevent that the raw materials from piling up on clamp plate 18 upper wall, thereby influence normal work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. A rubber continuous mixing closed rubber mixing machine comprises a base (1) and is characterized in that a heat insulation bin (2) is fixedly mounted on the upper wall surface of the base (1), an internal mixing chamber (3) is fixedly mounted in the heat insulation bin (2), a heating resistance wire (4) is fixedly mounted in the side wall of the internal mixing chamber (3), cutting teeth (5) are fixedly mounted on the inner wall surface of the internal mixing chamber (3), a reduction gearbox (6) is fixedly mounted on the upper wall surface of the base (1) and positioned on the right side of the heat insulation bin (2), a motor (7) is fixedly mounted on the upper wall surface of the base (1) and positioned on the right side of the reduction gearbox (6), a driving end of the motor (7) penetrates through the right wall of the reduction gearbox (6) and is fixedly connected with a driving gear (8), a reduction shaft (9) is rotatably mounted in the reduction gearbox (6), and a driven gear (10) is sleeved in the middle of the reduction shaft (9), driving gear (8) are connected with driven gear (10) meshing, reduction shaft (9) pass reducing gear box (6) left side wall fixedly connected with shaft coupling (11) input, main shaft (12) are installed to mixing chamber (3) internal rotation, main shaft (12) pass mixing chamber (3) right side wall fixed connection in shaft coupling (11) output, main shaft (12) outer fixed mounting who is located mixing chamber (3) has cutter (13), mixing chamber (3) upper wall fixed mounting has feed arrangement, mixing chamber (3) leading wall fixed mounting has discharging device.

2. The rubber continuous mixing internal rubber mixing machine as set forth in claim 1, characterized in that the feeding device comprises a feeding pipe (14), the feeding pipe (14) is fixedly mounted on the upper wall surface of the internal mixing chamber (3), a valve port is opened on the side wall of the feeding pipe (14), a first hydraulic cylinder (15) is fixedly mounted on the upper wall surface of the heat insulation chamber (2), a valve plate (16) is fixedly mounted on the telescopic end of the first hydraulic cylinder (15), the valve plate (16) is slidably mounted in the feeding pipe (14), a second hydraulic cylinder (17) is fixedly mounted on the upper wall surface of the feeding pipe (14), a pressing plate (18) is fixedly mounted on the telescopic end of the second hydraulic cylinder (17), and the pressing plate (18) is slidably mounted in the feeding pipe (14).

3. The rubber continuous mixing internal rubber mixing machine as defined in claim 2, wherein a compounding agent box (19) is fixedly installed on the upper wall surface of the base (1) and at the rear side of the reduction gearbox (6), a water pump (20) is fixedly installed on the front side wall of the compounding agent box (19), a water outlet of the water pump (20) is fixedly connected with a water inlet of a liquid conveying pipe (21), and a water outlet of the liquid conveying pipe (21) is fixedly connected to the side wall surface of the feeding pipe (14).

4. The rubber continuous mixing internal rubber mixing mill as defined in claim 3, wherein the base (1) is fixedly provided with a raw material bin (22) on the upper wall surface and at the rear side of the heat insulation bin (2), an electric roller (23) is fixedly arranged on the lower side of the raw material bin (22), a feeding pipe (24) is fixedly arranged on the lower wall surface of the electric roller (23), and the discharge port of the feeding pipe (24) is fixedly connected to the lower wall surface of the feeding pipe (14).

5. An internal rubber mixing mill for continuous rubber mixing according to claim 4, wherein the base (1) is fixedly provided with a conveyor belt (25) on the upper wall surface, the mixing chamber (3) is fixedly provided with a discharge pipe (26) on the front wall surface, and the discharge pipe (26) is fixedly provided with an electric valve (27).

6. An internal rubber mixing mill for continuous rubber mixing according to claim 5, wherein the side wall surface of said mixing chamber (3) is fixedly provided with a sensor (28).