CN213919083U

CN213919083U - A open-close type banbury mixer for producing EPDM micelle

Info

Publication number: CN213919083U
Application number: CN202022000773.3U
Authority: CN
Inventors: 吴俊涛
Original assignee: Nanjing Chunding Polymer Materials Co ltd
Current assignee: Nanjing Chunding Polymer Materials Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-08-10
Anticipated expiration: 2030-09-14

Abstract

The utility model belongs to the internal mixer field, in particular to an open-close type internal mixer for producing EPDM colloidal particles, aiming at the problems that the sealing performance of an internal mixing chamber is not high and the quality of mixed materials is influenced because the temperature can be high when the colloidal particles are mixed in the internal mixing chamber, an upper top bolt can move longitudinally under the action of air pressure, the following proposal is provided, which comprises a base, an organism is fixedly arranged at one side of the top of the base, a cavity is arranged on the organism, the internal mixing chamber is fixedly arranged on the inner wall at one side of the cavity and is a hollow arrangement, a lower top bolt is arranged on the inner wall at the bottom of the internal mixing chamber in a sealing and sliding way, the bottom of the lower top bolt extends to the lower part of the internal mixing chamber, compared with the traditional manual operation, the utility model has high automation degree and low manual strength, and the problem of the longitudinal movement of the upper top bolt can not occur in the mixing process, the sealing performance of the mixing chamber is improved, and the mixing quality is improved.

Description

A open-close type banbury mixer for producing EPDM micelle

Technical Field

The utility model relates to a banbury mixer technical field especially relates to an open-close type banbury mixer for producing EPDM micelle.

Background

An internal mixer generally comprises an internal mixing chamber, two rotors which rotate relatively, an upper ram, a lower ram, a temperature measuring system, a heating and cooling system, an exhaust system, a safety device, a discharging device and a recording device. The surface of the rotor is provided with spiral convex edges, the number of the convex edges is two, four, six and the like, the cross section geometry of the rotor is triangular, cylindrical or elliptical, and the rotor has two types of tangential type and meshing type. The temperature measuring system consists of a thermocouple and is mainly used for measuring the temperature change in the mixing chamber in the mixing process; the heating and cooling system is primarily intended to control the temperature of the rotor and the surface of the inner chamber walls of the mixing chamber.

The existing open-close type internal mixer needs to lift an upper ram when feeding materials, and after feeding materials, the upper ram falls down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the existing open-close type banbury mixer that is used for producing the EPDM micelle among the prior art because when the mixed micelle of banburying chamber, the temperature can the height, goes up the ram and can carry out longitudinal movement under the effect of atmospheric pressure, and the sealing performance that leads to the banburying chamber is not high, influences the shortcoming of the quality of compounding, and the open-close type banbury mixer that provides for producing the EPDM micelle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an open-close type internal mixer for producing EPDM (ethylene-propylene-diene monomer) rubber particles comprises a base, wherein a top one side of the base is fixedly provided with a machine body, the machine body is provided with a cavity, an internal mixing chamber is fixedly arranged on an inner wall on one side of the cavity and is arranged in a hollow manner, a lower plunger is arranged on an inner wall on the bottom of the internal mixing chamber in a sealing and sliding manner, the bottom of the lower plunger extends to the lower part of the internal mixing chamber, a material conveying channel is fixedly arranged on an inner wall on one side of the cavity and penetrates through the inner wall on one side of the cavity and extends to one side of the machine body, a material conveying assembly is arranged in the material conveying channel, an operating room is fixedly arranged on the top of the machine body and is arranged in a hollow manner, a hopper is fixedly arranged on one side of the operating room and is communicated with the inside of the operating room in a sealing manner, sealing plates are arranged on inner walls on two sides of the operating room in a sealing and sliding manner, one of the sealing plates completely covers the end of the hopper, one side, close to each other, of the two sealing plates is fixedly provided with the same upper top bolt, the top of the upper top bolt is rotatably provided with a screw rod, and the screw rod is connected with a driving assembly through threads.

Preferably, in order to be able to perform efficient mixing on the raw materials inside the mixing chamber, two rotors are arranged inside the mixing chamber, the two rotors rotate relatively, the top of the mixing chamber is hermetically communicated with a feeding channel, the top of the feeding channel penetrates through the bottom of the operation chamber and is hermetically communicated with the inside of the operation chamber, and how the rotors rotate is the prior art.

Preferably, for the convenience of carrying the raw materials of accomplishing mixing, be convenient for the processing of next process, defeated material subassembly includes the defeated material motor of fixed mounting on defeated material passageway one side inner wall, the one end fixed mounting of defeated material motor output shaft has the screw axis, the bottom fixed mounting of banburying chamber has two unloading pipes that the symmetry set up, and the one end that two unloading pipes are close to each other is respectively with the sealed slidable mounting in both sides of lower plug, the top fixed mounting of defeated material passageway has the cylinder, the top of cylinder output shaft and the bottom fixed mounting of lower plug.

Preferably, for the convenience of drive go up the back-bolt and carry out longitudinal movement, reduce artifical intensity, drive assembly includes the electric putter of fixed mounting in control chamber one side, the one end of electric putter output shaft runs through one side of control chamber and extends to the inside of control chamber, and the one end fixed mounting of electric putter output shaft has the rack, it installs the nut to rotate on the one side inner wall of control chamber, the fixed cover in outside of nut is equipped with the gear, and gear and rack mesh mutually, the top of screw rod runs through the inside of nut and extends to the top of nut, and screw rod and nut threaded connection.

Preferably, for the improvement accuracy, guarantee the inside sealing performance of mixing chamber, equal fixed mounting has locating piece and limiting plate on the both sides inner wall of control chamber, and two locating pieces are located two limiting plates respectively directly over, and the top of two limiting plates is closely laminated with the bottom of two closing plates respectively, the top fixed mounting of defeated material passageway has two locating levers that the symmetry set up.

In the utility model, the power equipment of two rotors is prior art, no longer give unnecessary details here, in use, press electric putter's switch, make the rack carry out the sideslip, via the meshing relation of rack and gear that sets up, can convert the sideslip of rack into the rotation of gear and nut, when the nut rotates, because nut and screw rod threaded connection, can convert the rotation of nut into the longitudinal movement of screw rod, the screw rod can drive the ram and another sealing block to move up, make the inside of hopper and the inside seal of control chamber be linked together, add the raw materials to the banburying room via the hopper that sets up, after adding, reset electric putter, the sealing block blocks the tip of hopper at this moment, two rotors rotate and mix the raw materials, after the compounding is accomplished, press the switch of cylinder, make the bottom of ram and the top of two locating levers in close contact down, the raw materials after mixing can enter the interior of the two discharging pipes through the inclined surfaces of the lower top bolts, compared with the traditional manual operation of placing the upper top bolts, the degree of automation is high, the manual strength is low, the problem of longitudinal movement of the upper top bolts cannot occur in the mixing process, the sealing performance of the mixing chamber is improved, and the mixing quality is improved;

in order to solve the problem that the position accuracy of the upper top bolt for plugging the end part of the hopper is not high, the two limiting plates are arranged on the inner walls of the two sides of the operation chamber, when the electric push rod is in an initial state, the sealing block on the upper top bolt can just plug the port of the hopper, and the accuracy is high;

in order to solve the problem that the sealing performance is influenced because the upper top bolt is not provided with a locking structure, the self-locking of any position of the upper top bolt can be realized through the nut arranged in the operation chamber and the threaded connection relation between the nut and the screw rod, and the sealing performance in the internal mixing chamber is ensured.

Drawings

FIG. 1 is a perspective view of a part of the open-close type internal mixer for producing EPDM rubber particles according to the present invention;

FIG. 2 is a schematic structural diagram of an open-close type internal mixer for producing EPDM rubber particles according to the present invention;

fig. 3 is the enlarged schematic diagram of a part a structure in fig. 2 of an open-close type internal mixer for producing EPDM colloidal particles.

In the figure: the device comprises a base 1, a machine body 2, a chamber 3, a banburying chamber 4, a rotor 5, an air cylinder 6, a lower top bolt 7, a positioning rod 8, a material conveying channel 9, a material conveying motor 10, a spiral shaft 11, a material discharging pipe 12, an operation chamber 13, a hopper 14, an upper top bolt 15, a sealing block 16, a positioning block 17, an electric push rod 18, a rack 19, a nut 20, a gear 21 and a screw 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, an open-close type internal mixer for producing EPDM colloidal particles comprises a base 1, a machine body 2 is fixedly installed on one side of the top of the base 1, a cavity 3 is arranged on the machine body 2, an internal mixing chamber 4 is fixedly installed on one side of the inner wall of the cavity 3, the internal mixing chamber 4 is arranged in a hollow manner, a lower plunger 7 is installed on the inner wall of the bottom of the internal mixing chamber 4 in a sealing and sliding manner, the bottom of the lower plunger 7 extends to the lower side of the internal mixing chamber 4, a material conveying channel 9 is fixedly installed on one side of the inner wall of the cavity 3, one end of the material conveying channel 9 penetrates through one side of the inner wall of the cavity 3 and extends to one side of the machine body 2, a material conveying component is arranged inside the material conveying channel 9, an operation chamber 13 is fixedly installed on the top of the machine body 2, the operation chamber 13 is arranged in a hollow manner, a hopper 14 is fixedly installed on one side of the operation chamber 13, and the inside of the hopper 14 is communicated with the inside of the operation chamber 13 in a sealing manner, sealing plates 16 are hermetically and slidably mounted on the inner walls of two sides of the operation chamber 13, one sealing plate 16 completely covers the end of the hopper 14, one side, close to each other, of each two sealing plates 16 is fixedly provided with the same upper top bolt 15, the top of each upper top bolt 15 is rotatably provided with a screw rod 22, and the screw rod 22 is in threaded connection with a driving assembly.

The following further improvements are made on the basis of the first embodiment:

example two

The utility model discloses in, in order to carry out the mixing of efficient to the inside raw materials of mixing chamber 4, the inside of mixing chamber 4 is provided with two rotors 5, and two rotors 5 are gyrated relatively, and the sealed intercommunication in top of mixing chamber 4 has feedstock channel, and feedstock channel's top runs through the bottom of control chamber 13 and is linked together with the inside seal of control chamber 13, and how rotor 5 rotates is prior art.

The utility model discloses in, for the convenience carry the raw materials of accomplishing mixing, be convenient for the processing of next process, defeated material subassembly includes defeated material motor 10 of fixed mounting on defeated material passageway 9 one side inner wall, the one end fixed mounting of defeated material motor 10 output shaft has screw axis 11, the bottom fixed mounting of banburying chamber 4 has two unloading pipes 12 that the symmetry set up, the one end that two unloading pipes 12 are close to each other respectively with the sealed slidable mounting in both sides of lower plug 7, the top fixed mounting of defeated material passageway 9 has cylinder 6, the top of the 6 output shafts of cylinder and the bottom fixed mounting of lower plug 7.

The utility model discloses in, for the convenience in the drive top bolt 15 carry out longitudinal movement, reduce artifical intensity, drive assembly includes the electric putter 18 of fixed mounting in control chamber 13 one side, one side that one side of control chamber 13 was run through and extend to the inside of control chamber 13 to the one end of electric putter 18 output shaft, and the one end fixed mounting of electric putter 18 output shaft has rack 19, rotate on one side inner wall of control chamber 13 and install nut 20, the fixed cover in outside of nut 20 is equipped with gear 21, and gear 21 and rack 19 mesh mutually, the top of screw rod 22 runs through the inside of nut 20 and extends to the top of nut 20, and screw rod 22 and nut 20 threaded connection.

The utility model discloses in, in order to improve the accuracy, guarantee the inside sealing performance of mixing chamber 4, equal fixed mounting has locating piece 17 and limiting plate on the both sides inner wall of control chamber 13, and two locating pieces 17 are located two limiting plates respectively directly over, and the top of two limiting plates is closely laminated with the bottom of two closing plates 16 respectively, and the top fixed mounting of defeated material passageway 9 has two locating levers 8 that the symmetry set up.

In the utility model, when in use, the switch of the electric push rod 18 is pressed down to make the rack 19 move transversely, the transverse movement of the rack 19 can be converted into the rotation of the gear 21 and the nut 20 through the meshing relation of the rack 19 and the gear 21, when the nut 20 rotates, the rotation of the nut 20 can be converted into the longitudinal movement of the screw 22 due to the threaded connection of the nut 20 and the screw 22, the screw 22 can drive the upper top plug 15 and the other sealing block 16 to move upwards, so that the inside of the hopper 14 is communicated with the inside of the operating room 13 in a sealed way, the raw materials are added into the banburying chamber 4 through the hopper 14, the electric push rod 18 is reset after the addition is completed, at the moment, the sealing block 16 seals the end part of the hopper 14, the two rotors 5 rotate to mix the raw materials, after the mixing is completed, the switch of the air cylinder 6 is pressed down, so that the bottom of the lower top plug 7 is in close contact with the tops of the two positioning rods 8, the raw materials that the mixing was accomplished can get into the inside of two unloading pipes 12 through the inclined plane of lower plug 7, and the placing of plug 15 on comparing traditional manual operation, degree of automation is high, and manual strength is low, can not appear the problem of plug 15 longitudinal movement in the in-process of mixing, has improved mixing chamber 4's sealing performance, has improved mixing quality.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an open-close type banbury mixer for producing EPDM micelle, includes base (1), its characterized in that, top one side fixed mounting organism (2) of base (1), be equipped with cavity (3) on organism (2), fixed mounting has mixing chamber (4) on one side inner wall of cavity (3), mixing chamber (4) are the cavity setting, sealed slidable mounting has down ram (7) on the bottom inner wall of mixing chamber (4), the bottom of ram (7) extends to the below of mixing chamber (4) down, fixed mounting has defeated material passageway (9) on one side inner wall of cavity (3), and the one end of defeated material passageway (9) runs through one side inner wall of cavity (3) and extends to one side of organism (2), the inside of defeated material passageway (9) is provided with the material subassembly, the top fixed mounting of defeated material (2) has control chamber (13), and control chamber (13) are the cavity setting, one side fixed mounting of control chamber (13) has hopper (14), and the inside of hopper (14) is linked together with the inside seal of control chamber (13), all sealed slidable mounting has closing plate (16) on the both sides inner wall of control chamber (13), and one of them closing plate (16) covers the tip of hopper (14) completely, and one side fixed mounting that two closing plate (16) are close to each other has same top plug (15) of going up, the top of going up top plug (15) is rotated and is installed screw rod (22), threaded connection has drive assembly on screw rod (22).

2. An internal mixer of the type mentioned in claim 1 for producing EPDM rubber particles, wherein the internal part of the mixing chamber (4) is provided with two rotors (5), and the two rotors (5) are relatively rotated, the top of the mixing chamber (4) is hermetically communicated with the feeding channel, and the top of the feeding channel penetrates the bottom of the operating chamber (13) and is hermetically communicated with the internal part of the operating chamber (13).

3. An open-close type internal mixer for producing EPDM colloidal particle according to claim 1, wherein the feeding assembly comprises a feeding motor (10) fixedly installed on the inner wall of one side of the feeding channel (9), one end of the output shaft of the feeding motor (10) is fixedly installed with a screw shaft (11), the bottom of the mixing chamber (4) is fixedly installed with two symmetrically arranged blanking pipes (12), one ends of the two blanking pipes (12) close to each other are respectively installed with the two sides of the lower top bolt (7) in a sealing and sliding manner, the top of the feeding channel (9) is fixedly installed with a cylinder (6), and the top of the output shaft of the cylinder (6) and the bottom of the lower top bolt (7) are fixedly installed.

4. An open-close type internal mixer for producing EPDM rubber particles according to claim 1, wherein the driving assembly comprises an electric push rod (18) fixedly installed at one side of the operation chamber (13), one end of the output shaft of the electric push rod (18) penetrates through one side of the operation chamber (13) and extends to the inside of the operation chamber (13), one end of the output shaft of the electric push rod (18) is fixedly installed with a rack (19), a nut (20) is rotatably installed on the inner wall of one side of the operation chamber (13), the outer side of the nut (20) is fixedly sleeved with a gear (21), the gear (21) is meshed with the rack (19), the top of the screw rod (22) penetrates through the inside of the nut (20) and extends to the upper side of the nut (20), and the screw rod (22) is in threaded connection with the nut (20).

5. The open-close type internal mixer for producing EPDM rubber particles according to claim 1, wherein the inner walls of both sides of the operation chamber (13) are fixedly provided with a positioning block (17) and a limiting plate, the two positioning blocks (17) are respectively positioned right above the two limiting plates, the tops of the two limiting plates are respectively tightly attached to the bottoms of the two sealing plates (16), and the top of the material conveying channel (9) is fixedly provided with two positioning rods (8) which are symmetrically arranged.