CN214644973U

CN214644973U - High-efficient loading attachment of banbury mixer

Info

Publication number: CN214644973U
Application number: CN202120952279.9U
Authority: CN
Inventors: 邓应邦; 袁志明
Original assignee: Foshan Fengzheng Technology Co ltd
Current assignee: Foshan Fengzheng Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-09
Anticipated expiration: 2031-05-06

Abstract

The application relates to the technical field of rubber internal mixers, in particular to a high-efficiency feeding device of an internal mixer, which comprises a feeding barrel communicated with an internal mixing chamber, wherein the feeding barrel is connected with a pressurizing feeding assembly and a liquid feeding assembly; the pressurizing feeding assembly comprises two gears which rotate in opposite directions, the two gears are rotatably borne on the feeding barrel and are positioned in the feeding barrel, the two gears are respectively provided with independent power sources, and the two gears are matched to rotate so as to press the resin particles to the mixing chamber; the liquid loading assembly includes a feed tube in communication with the loading cartridge. This application has the effect that improves the banburying efficiency of rubber and improve the quality of finished product rubber.

Description

High-efficient loading attachment of banbury mixer

Technical Field

The application relates to the technical field of rubber internal mixers, in particular to a high-efficiency feeding device of an internal mixer.

Background

The internal mixer is a plasticating and mixing equipment for rubber, and is formed from internal mixing chamber, rotor sealing device, feeding device, discharging device, driving device and machine base. The rotor in the mixing chamber generates strong shearing force to the raw materials, so that the raw materials can be fully mixed with related auxiliaries in the mixing chamber, and the finished rubber is obtained.

However, since the raw materials for rubber plastication and mixing are solid resin particles, and the weight of the resin particles is light, the resin particles are difficult to enter the mixing chamber and be sheared by the rotor under normal pressure, so that a pressure feeding device is generally adopted for feeding the raw materials at present.

In view of the above related technologies, the inventor believes that the current pressurized feeding device needs to separate and feed the solid raw material and the liquid auxiliary agent when feeding, which not only fails to improve the banburying efficiency, but also easily causes the uneven mixing of rubber, thereby reducing the quality of the finished rubber.

SUMMERY OF THE UTILITY MODEL

In order to improve the banburying efficiency of rubber and improve the quality of finished product rubber, this application provides an efficient loading attachment of banbury mixer, and it can be simultaneously to the raw materials of liquid and solid pressure loading.

The application provides a high-efficient loading attachment of banbury mixer adopts following technical scheme:

a high-efficiency feeding device of an internal mixer comprises a feeding barrel communicated with an internal mixing chamber, wherein the feeding barrel is connected with a pressurizing feeding assembly and a liquid feeding assembly; the pressurizing feeding assembly comprises two gears which rotate in opposite directions, the two gears are rotatably borne on the feeding barrel and are positioned in the feeding barrel, the two gears are respectively provided with an independent power source, and the two gears are matched to rotate so as to press resin particles to the mixing chamber; the liquid feeding assembly comprises a feeding pipe communicated with the feeding barrel.

Through adopting above-mentioned technical scheme, the resin particle gets into and is pressed to the mixing chamber under the effect of two gears after the feed cylinder, and in liquid form auxiliary agent passed through the inlet pipe and got into the feed cylinder simultaneously to realized the pressurization material loading process of solid raw materials and liquid raw materials, made resin particle and liquid auxiliary agent can evenly mix in the feed cylinder and got into the mixing chamber at last and carry out the banburying. The pressurization and feeding of the solid raw materials and the liquid raw materials not only improve the banburying efficiency of the rubber, but also improve the mixing uniformity of the solid raw materials and the liquid raw materials, and further improve the quality of the finished rubber after mixing.

Optionally, the feeding barrel is vertically arranged, and the feeding barrel is arranged above the mixing chamber; the two gears are respectively a pressurizing gear and a feeding gear, the pressurizing gear is positioned above the feeding gear, and an included angle of 0-60 degrees is formed between a plane formed by a rotating shaft of the pressurizing gear and a rotating shaft of the feeding gear and a horizontal plane; the discharge end of the feeding pipe is positioned below the feeding gear.

By adopting the technical scheme, the resin particles fall into the tooth grooves of the feeding gear under the action of gravity and move along with the rotation of the feeding gear, and when the resin particles move to the matching position of the feeding gear and the pressurizing gear, the teeth of the pressurizing gear and the teeth of the feeding gear clamp the soft resin particles. With the continuous rotation of the pressurizing gear and the feeding gear, the pressurizing gear positioned above provides the resin particles with pressure for pressing into the mixing chamber, so that the resin particles can be smoothly pressed into the mixing chamber. An included angle with a certain angle is formed between a plane formed by the rotating shaft of the pressurizing gear and the rotating shaft of the feeding gear and the horizontal plane, so that the resin raw materials can fall into the feeding gear smoothly. Preferably, the included angle may be set to 45 °.

Optionally, when the pressing gear and the feeding gear rotate in a matching manner, a gap is formed between the teeth of the pressing gear and the teeth of the feeding gear so that resin particles can smoothly pass through the gap.

Optionally, the power sources are all driving motors.

Through adopting above-mentioned technical scheme, driving motor not only liberates artifical productivity, also is convenient for simultaneously control the operating condition of gear.

Optionally, the two driving motors are electrically connected to a controller, so that the two driving motors can drive the two gears to rotate in opposite directions at the same time and at the same frequency.

Through adopting above-mentioned technical scheme, through two gears of controller indirect control simultaneously, the same frequency rotates in opposite directions for two gears can cooperate the rotation under the condition that does not take place the touching, thereby make to have the clearance that can supply the resin granule to pass through between the gear teeth of two gears always.

Optionally, a blanking hopper is arranged in the upper charging barrel, and a blanking port of the blanking hopper faces to the space between the gears.

Through adopting above-mentioned technical scheme, solid raw materials such as resin particles fall into through the blanking fill between two gears and can make solid raw materials can accurately fall into between two gears to reduce solid raw materials and at the accumulational probability in one side that two gears kept away from each other, and then reduce the extravagant dead risk of gear card simultaneously of raw materials.

Optionally, the resin mixing device further comprises a belt conveyor arranged beside the internal mixer, a plurality of hoppers for conveying resin particles are fixedly connected to a track of the belt conveyor, and a feed inlet of the feeding barrel faces to the highest position of the belt conveyor.

By adopting the technical scheme, production workers can place the solid raw materials in the feeding hopper and then drive the feeding hopper to move by using the belt conveyor; when the feeding hopper reaches the highest position of the belt conveyor, the feeding hopper is turned over and pours the solid raw materials into the feeding barrel, so that the automatic feeding process of the solid raw materials is realized.

Optionally, the feed pipe is provided with a valve for opening and closing the feed pipe.

Through adopting above-mentioned technical scheme, utilize the flow of valve control liquid auxiliary agent, the risk that the valve also can reduce liquid auxiliary agent backward flow simultaneously improves the pressure head of liquid auxiliary agent.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the feeding barrel is internally provided with two gears and one feeding pipe, the two gears are used for pressurizing and feeding solid raw materials, and the feeding pipe is used for pressurizing and feeding liquid raw materials, so that the effect of pressurizing and feeding the solid raw materials and the liquid raw materials simultaneously is realized, the feeding efficiency is further improved, and the quality of finished rubber is improved;

2. according to the method, the driving motor is used for driving the two gears to rotate, and the controller is used for controlling the driving motor, so that the effect that the two gears rotate simultaneously and reversely at the same frequency is achieved, and finally the effect that the two gears do not touch each other is achieved, so that the solid raw materials can smoothly enter the mixing chamber through the gap between the two gears;

3. the belt conveyor is arranged to realize the automatic feeding effect, so that the manual burden is reduced, and the attaching efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a high-efficiency feeding device of an internal mixer according to an embodiment of the application.

Fig. 2 is a partial cross-sectional view of an upper cartridge in an embodiment of the present application.

Fig. 3 is an enlarged view of the area a in fig. 2.

Description of reference numerals: 1. an internal mixing chamber; 2. feeding a material barrel; 21. a blanking hopper; 211. a discharge port; 3. a feeding assembly; 31. a belt conveyor; 311. a crawler belt; 312. a hopper; 4. a pressurized feeding assembly; 41. a pressure gear; 42. a feed gear; 43. a drive motor; 5. a liquid loading assembly; 51. a feed pipe; 511. a discharge end; 52. and (4) a valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high-efficient loading attachment of banbury mixer. Referring to fig. 1, the high-efficiency feeding device of the internal mixer comprises a feeding barrel 2, a feeding component 3, a pressurizing feeding component 4 and a liquid feeding component 5, wherein the feeding barrel 2 is communicated with an internal mixing chamber 1 of the internal mixer, the feeding component 3 is arranged on one side of the feeding barrel 2, and the pressurizing feeding component 4 and the liquid feeding component 5 are both connected with the feeding barrel 2.

Referring to fig. 1, the upper charging barrel 2 is vertically arranged, and the bottom of the upper charging barrel 2 is communicated with the mixing chamber 1. The feeding assembly 3 includes a belt conveyor 31, a track 311 of the belt conveyor 31 is disposed in an inclined manner, a highest position of the track is located right above the charging barrel 2, and a plurality of hoppers 312 are fixedly connected to the track 311 of the belt conveyor 31, specifically, in this embodiment, the hoppers 312 are provided with ten. When the hopper 312 moves to the highest position of the belt conveyor 31 along with the caterpillar tracks 311, the hopper 312 rotates reversely and dumps the materials in the hopper, and the materials fall down from the hopper 312 and enter the upper charging barrel 2 to complete charging.

Referring to fig. 2, the pressure feeding assembly 4 includes a pressure gear 41, a feeding gear 42, and two driving motors 43 for driving the two gears to rotate respectively. The pressurizing gear 41 and the feeding gear 42 are rotatably supported in the upper charging barrel 2, the driving motors 43 are fixedly connected to the outer side wall of the upper charging barrel 2, and output shafts of the two driving motors 43 are respectively and correspondingly fixedly connected with rotating shafts of the pressurizing gear 41 and the feeding gear 42. Two drive motors 43 are arranged on the same outer side wall of the upper cartridge 2.

Referring to fig. 2 and 3, in particular, the pressure gear 41 and the feeding gear 42 are opposite in rotation direction and both rotate in a downward direction along the tangential line of the two. The pressing gear 41 and the feeding gear 42 may be gears of the same specification or gears of different specifications, and in the present embodiment, the pressing gear 41 and the feeding gear 42 have the same specification. The pressurizing gear 41 is just contacted with the inner wall of the upper charging barrel 2 or a tiny gap exists, so that the materials cannot fall down from the space between the pressurizing gear 41 and the inner wall of the upper charging barrel 2; similarly, the feeding gear 42 is in contact with the inner wall of the upper barrel 2 or has a very small gap to ensure that the material cannot fall down between the feeding gear 42 and the inner wall of the upper barrel 2. The pressure gear 41 is located above the feeding gear 42, and specifically, an included angle between a plane formed by a rotating shaft of the pressure gear 41 and a rotating shaft of the feeding gear 42 and a horizontal plane is 45 °. The teeth of the pressure gear 41 are located in the teeth grooves of the feeding gear 42 but spaced from the teeth of the feeding gear 42, and when the pressure gear 41 and the feeding gear 42 are operated cooperatively, a gap for the solid raw material to pass through is left between the teeth of the pressure gear 41 and the feeding gear 42.

Referring to fig. 2, further, the two driving motors 43 are electrically connected to the same processor, in this embodiment, the driving motors 43 with the same specification are selected for the two driving motors 43, and the processor is a serial circuit, so that the two driving motors 43 have synchronous and same-frequency control capability on the pressurizing gear 41 and the feeding gear 42.

Referring to fig. 2, a blanking hopper 21 is further fixedly connected to the upper barrel 2, and a discharge port 211 of the blanking hopper 21 faces a gap existing between the pressing gear 41 and the feeding gear 42, so that the solid raw material can be more accurately dropped into the gap between the pressing gear 41 and the feeding gear 42.

Referring to fig. 2, the liquid feeding assembly 5 includes a feeding pipe 51. The discharge end 511 of the feed pipe 51 communicates with the outer side wall of the upper barrel 2, and the discharge end 511 of the feed pipe 51 is located between the feed gear 42 and the mixing chamber 1. The feed pipe 51 is provided with a valve 52 for opening and closing the feed pipe 51.

The implementation principle of the high-efficient loading attachment of banbury mixer of this application embodiment is: after being fed into the upper barrel 2 through the hopper 312 of the belt conveyor 31, the solid raw material falls under gravity between the pressing gear 41 and the feed gear 42 through the drop hopper 21. The driving motor 43 drives the pressurizing gear 41 and the feeding gear 42 to rotate, and the pressurizing gear 41 and the feeding gear 42 generate pressure on the solid raw material and press the solid raw material to the mixing chamber 1. Liquid raw materials enter the upper charging barrel 2 through the feeding pipe 51 and are mixed with solid raw materials, and finally, the raw material mixture falls into the mixing chamber 1 together for mixing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-efficient loading attachment of banbury mixer which characterized in that: the device comprises an upper charging barrel (2) communicated with an internal mixing chamber (1), wherein the upper charging barrel (2) is connected with a pressurizing feeding assembly (4) and a liquid feeding assembly (5); the pressurizing feeding assembly (4) comprises two gears which rotate in opposite directions, the two gears are rotatably borne on the feeding barrel (2) and are positioned in the feeding barrel (2), the two gears are respectively provided with an independent power source, and the two gears are matched to rotate so as to press resin particles to the banburying chamber (1); the liquid feeding assembly (5) comprises a feeding pipe (51) communicated with the feeding barrel (2).

2. The loading device according to claim 1, characterized in that: the upper charging barrel (2) is vertically arranged, and the upper charging barrel (2) is arranged above the banburying chamber (1); the two gears are respectively a pressurizing gear (41) and a feeding gear (42), the pressurizing gear (41) is positioned above the feeding gear (42), and an included angle of 0-60 degrees is formed between a plane formed by a rotating shaft of the pressurizing gear (41) and a rotating shaft of the feeding gear (42) and a horizontal plane; the discharge end (511) of the feeding pipe (51) is positioned below the feeding gear (42).

3. The loading device according to claim 2, characterized in that: when the pressurizing gear (41) and the feeding gear (42) are matched to rotate, a gap is formed between the teeth of the pressurizing gear (41) and the teeth of the feeding gear (42) so that resin particles can smoothly pass through the gap.

4. A loading device according to any one of claims 1-3, characterized in that: the power sources are all driving motors (43).

5. The loading device according to claim 4, characterized in that: the two driving motors (43) are electrically connected with a controller so that the two driving motors (43) can drive the two gears to rotate oppositely at the same time and at the same frequency.

6. The loading device according to claim 4, characterized in that: go up to be provided with in the feed cylinder (2) blanking fill (21), the blanking mouth of blanking fill (21) is towards two between the gear.

7. The loading device according to claim 1, characterized in that: the resin mixing machine is characterized by further comprising a belt conveyor (31) arranged beside the internal mixer, a plurality of feeding hoppers (312) used for conveying resin particles are fixedly connected to a track (311) of the belt conveyor (31), and a feeding hole of the feeding barrel (2) faces to the highest position of the belt conveyor (31).

8. The loading device according to claim 1, characterized in that: the feeding pipe (51) is provided with a valve (52) for opening and closing the feeding pipe (51).