CN215359306U

CN215359306U - Forced cooling runner for rotor of internal mixer

Info

Publication number: CN215359306U
Application number: CN202121760015.XU
Authority: CN
Inventors: 刘秉文
Original assignee: Semeida Dalian Technology Co ltd
Current assignee: Semeida Dalian Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-31
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a forced cooling runner of an internal mixer rotor, which comprises a rotor and also comprises: the main runner is arranged at the center of the left side wall of the rotor along the horizontal direction; the number of the bypass channels is four, and the bypass channels are arranged on the outer side of the left side wall of the rotor along the circumferential direction; the four diversion holes are formed in the right end of the inner wall of the main flow channel along the circumferential direction and communicated with the side flow channel; the heat dissipation strips are arranged on the inner wall of the bypass channel along the circumferential direction; and the rotor sealing mechanism is arranged on the left side wall of the rotor and is locked with the internal mixer through bolts. This banbury mixer rotor forced cooling runner is under the prerequisite of guaranteeing rotor strength, enlarges side runner surface area, promotes the cooling effect, in addition, can adjust the sleeve pipe and move to the right, and the gas tightness is good between sleeve pipe and the rotor, and the ability is cut apart with the backward flow to the cooling water obtains guaranteeing, and the flow that the cooling water flows to the sprue is unchangeable, great demand that has satisfied the cooling of banbury mixer rotor.

Description

Forced cooling runner for rotor of internal mixer

Technical Field

The utility model relates to the technical field of internal mixers, in particular to a forced cooling runner for an internal mixer rotor.

Background

Closed rubber mixing millInternal mixer for short, mainly for rubberPlasticationAndmixing the raw materials. The internal mixer is a machine which is provided with a pair of rotors with specific shapes and rotating relatively and performs plastication and mixing on polymer materials in a clearance manner under a closed state with adjustable temperature and pressure, and mainly comprises an internal 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;

the rotor of the internal mixer is rotated to endow rubber materials with high shearing force, the rubber material temperature can be quickly raised by shearing heat to cause rubber material scorching, in order to avoid rubber material scorching, the rotor is required to be forcibly cooled in a way that a cooling water flow channel is arranged in the rotor, a part of heat of the rotor is removed through cooling water to achieve the purpose of cooling the rotor, the strength of the rotor is also considered while the rotor is cooled, and the rotor cannot be deformed, so that the internal surface area of the rotor is limited, the cooling effect is poor, the rotor sealing device is used as the connection of a cooling water pipe and a return pipe, the cooling water and the return water are divided through a sleeve in the rotor sealing device, and the purpose of circularly cooling the rotor is achieved, however, under the condition that the rotor rotates at high speed, the sleeve and the rotor are abraded, the air tightness is poor, and the dividing capacity of the cooling water and the return water is poor, the flow of the cooling water flowing to the inside of the rotor is reduced, and the requirement of cooling the rotor of the internal mixer is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forced cooling flow channel of an internal mixer rotor, which at least solves the problems that the internal surface area of the rotor is small, the cooling effect is poor and the capability of conveying cooling water to the rotor is poor after long-term use in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: forced cooling runner of banbury mixer rotor includes the rotor, still includes: the main runner is arranged at the center of the left side wall of the rotor along the horizontal direction; the number of the bypass channels is four, and the bypass channels are arranged on the outer side of the left side wall of the rotor along the circumferential direction; the four diversion holes are formed in the right end of the inner wall of the main flow channel along the circumferential direction and communicated with the side flow channel; the heat dissipation strips are arranged on the inner wall of the bypass channel along the circumferential direction; the rotor sealing mechanism is arranged on the left side wall of the rotor and is locked with the internal mixer through bolts;

the rotor sealing mechanism includes: the shell is locked at the fixed end of the rotor of the internal mixer through a bolt and is sleeved on the outer wall of the rotor; the backflow joint is fixedly connected to the top of the shell; the cylinder body is fixedly connected to the center of the left inner wall of the shell; the main flow joint is fixedly connected to the left end of the inner wall of the cylinder body; the sleeve can be inserted into the inner cavity of the cylinder body in a left-right sliding mode, good air tightness is kept between the sleeve and the cylinder body, and the right end of the sleeve is in contact with the left end of the rotor; the driving assembly is arranged at the bottom of the inner cavity of the shell; and the brake assembly is arranged at the bottom of the left side wall of the shell.

Preferably, the bypass channels are equidistantly distributed in the rotor by taking the center line of the main channel as the center.

Preferably, the driving assembly includes: the screw rod is rotatably arranged at the bottom end of the left side wall of the shell through a bearing; the push rod is in threaded connection with the right side of the outer wall of the screw rod; the connecting rod is arranged at the right end of the push rod, and the top end of the connecting rod is fixedly connected with the outer wall of the sleeve; the friction wheel is arranged at the left end of the outer wall of the screw rod; and the knob is arranged at the left end of the screw rod.

Preferably, the brake assembly includes: the supporting plate is fixedly connected to the bottom end of the left side wall of the shell and is positioned at the bottom end of the screw rod; the sleeve is arranged in the middle of the supporting plate, and the cross section of the inner cavity of the sleeve is rectangular; the pull rod can be inserted into the inner cavity of the sleeve in a vertically sliding manner; the spring is sleeved at the top of the outer wall of the pull rod; and the friction plate is arranged at the top end of the pull rod and is in contact with the friction wheel to brake the screw rod under the action of the spring.

Preferably, the friction plate is configured in an arc shape.

Compared with the prior art, the utility model has the beneficial effects that: the forced cooling runner of the internal mixer rotor enlarges the heat dissipation area through a plurality of heat dissipation strips arranged in the bypass channel, further improves the heat absorption capacity of cooling water on the rotor, can make a friction plate far away from a friction wheel through a lower pull rod, relieves the braking on a screw rod, can make the friction plate move upwards to be contacted with the friction wheel under the elastic force action of a spring, brakes the screw rod, further realizes the braking of the screw rod at any time, can drive the right side of a push rod through the thread rotating force of the screw rod, further makes a sleeve move rightwards to be contacted with the rotor, ensures the air tightness between the sleeve and the rotor, therefore, when in actual use, under the premise of ensuring the strength of the rotor, the surface area of the bypass channel is enlarged, the cooling effect is improved, in addition, the sleeve can be adjusted to move rightwards, the air tightness between the sleeve and the rotor is good, the cutting capacity of cooling water backflow and water cutting is ensured, and the flow rate of the cooling water flowing to a main runner is not changed, the requirement of the rotor of the internal mixer for cooling is greatly met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view;

FIG. 3 is a left side sectional view of the rotor;

fig. 4 is an enlarged view at a.

In the figure: 1. the rotor 2, main runner, 3, bypass, 4, water conservancy diversion hole, 5, heat dissipation strip, 6, rotor sealing mechanism, 61, shell, 62, return joint, 63, cylinder body, 64, mainstream connect, 65, sleeve pipe, 66, drive assembly, 661, screw rod, 662, push rod, 663, connecting rod, 664, friction pulley, 665, knob, 67, brake assembly, 671, backup pad, 672, sleeve, 673, pull rod, 674, spring, 675, friction disc.

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. 1-4, the present invention provides a technical solution: the forced cooling runner for the rotor of the internal mixer comprises a rotor 1, a main runner 2 and a side runner 3, the cooling device comprises a flow guide hole 4, heat dissipation strips 5 and a rotor sealing mechanism 6, wherein a main flow channel 2 is arranged at the center of the left side wall of a rotor 1 in the horizontal direction, the main flow channel 2 is used for conveying cooling water from left to right, four side flow channels 3 are arranged on the outer side of the left side wall of the rotor 1 in the circumferential direction, the side flow channels 3 are used for moving the cooling water from right to left, so that the cooling water moves around the inner part of the rotor 1 and absorbs the surface heat of the rotor 1, the four flow guide holes 4 are arranged on the right end of the inner wall of the main flow channel 2 in the circumferential direction, the flow guide hole 4 is communicated with the side flow channels 3, the heat dissipation strips 5 are arranged on the inner wall of the side flow channels 3 in the circumferential direction, the rotor sealing mechanism 6 is arranged on the left side wall of the rotor 1, and the rotor sealing mechanism 6 is locked with an internal mixer through bolts;

the rotor sealing mechanism 6 comprises a shell 61, a backflow joint 62, a cylinder 63, a main flow joint 64, a sleeve 65, a driving assembly 66 and a braking assembly 67, wherein the shell 61 is locked at the fixed end of the rotor 1 of the internal mixer through bolts, the shell 61 is sleeved on the outer wall of the rotor 1, the backflow joint 62 is fixedly connected to the top of the shell 61 and is connected with a backflow pipe, so that cooling water after heat absorption is discharged, the cylinder 63 is fixedly connected to the center position of the left inner wall of the shell 61, the sleeve 65 is limited, so that the horizontal movement of the sleeve 65 is ensured, the main flow joint 64 is fixedly connected to the left end of the inner wall of the cylinder 63, the sleeve 65 can be inserted into the inner cavity of the cylinder 63 in a left-right sliding mode, the shell 61 forms two closed spaces of an inner space and an outer space through the matching of the cylinder 63 and the sleeve 65, the inner space is used for conveying the cooling water to the main flow passage 2, the outer space is used for discharging the cooling water after heat absorption, and good air tightness is kept between the sleeve 65 and the cylinder 63, the right end of the sleeve 65 is contacted with the left end of the rotor 1, the driving assembly 66 is arranged at the bottom of the inner cavity of the shell 61, and the braking assembly 67 is arranged at the bottom of the left side wall of the shell 61.

As a preferred scheme, furthermore, the side channels 3 are equidistantly distributed inside the rotor 1 by taking the center line of the main channel 2 as the center, so that cooling water can uniformly flow in the rotor 1, and uniform temperature reduction of the rotor 1 is realized.

Preferably, the driving assembly 66 includes a screw 661, a push rod 662, a connecting rod 663, a friction wheel 664 and a knob 665, the screw 661 is rotatably mounted on the bottom end of the left sidewall of the housing 61 through a bearing, when the screw 661 rotates clockwise or counterclockwise, the screw 661 can drive the push rod 662 to move to the right or left side by the thread rotation force, so as to pull the sleeve 65, the push rod 662 is screwed on the right side of the outer wall of the screw 661, the connecting rod 663 is mounted on the right end of the push rod 662, the top end of the connecting rod 663 is fixedly connected with the outer wall of the sleeve 65, the friction wheel 664 is mounted on the left end of the outer wall of the screw 661, and the knob 665 is mounted on the left end of the screw 661.

Preferably, the braking assembly 67 includes a supporting plate 671, a sleeve 672, a pull rod 673, a spring 674 and a friction plate 675, the supporting plate 671 is fixedly connected to the bottom end of the left sidewall of the housing 61, the supporting plate 671 is located at the bottom end of the screw rod 661, the sleeve 672 is installed in the middle of the supporting plate 671, the cross section of the inner cavity of the sleeve 672 is rectangular, the pull rod 673 is limited to ensure that the pull rod 673 can move vertically, the pull rod 673 can be inserted into the inner cavity of the sleeve 672 in a vertically sliding manner, the spring 674 is sleeved on the top of the outer wall of the pull rod 673, the spring 674 is a rotary spring and is elastically deformed after being stretched or extruded, the elastic force of the spring 674 is used for pushing the friction plate 675 to move upwards, the friction plate 675 is installed at the top end of the pull rod 673, and the friction plate 675 is contacted with the friction wheel 664 under the action of the spring 674 for braking of the screw rod 661.

Preferably, the friction plate 675 is configured in an arc shape, so that the friction plate 675 fits with the outer contour of the friction wheel 664, the contact area between the friction plate 675 and the friction wheel is increased, and the braking capability is further improved.

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.

Firstly, a main flow joint 64 is connected with a cooling water pipe, a return flow joint 62 is connected with a return pipe, cooling water is conveyed into a cylinder 63, flows from left to right in a main flow channel 2 through a sleeve 65, enters a bypass channel 3 through a flow guide hole 4, flows from right to left in the bypass channel 3, the surface area of the bypass channel 3 is enlarged through a radiating strip 5, high temperature is generated along with the rotation of a rotor 1, the cooling water absorbs the heat of the rotor 1, and the return water flowing back into a shell 1 after absorbing the heat flows out through the return flow joint 62, so that the circulating cooling of the rotor 1 is realized;

step two, when the mechanical wear reduces the air tightness between the sleeve 65 and the rotor 1, the pull rod 673 is pulled down, the pull rod 673 is enabled to slide downwards along the inner wall of the sleeve 672, the friction sheet 675 moves downwards to extrude the spring 674 to be compressed, the friction sheet 675 is far away from the friction wheel 664 to relieve the brake of the screw rod 661, the screw rod 661 is driven to rotate clockwise through the knob 665, the screw thread rotating force of the screw rod 661 can drive the push rod 662 to move towards the right side, so that the sleeve 65 moves towards the right side, the sleeve 65 is in contact with the rotor 1, and good air tightness is restored;

step three, the pull rod 673 is loosened, the spring 674 pushes the friction plate 675 upwards under the action of the elastic force of the spring, the friction plate 675 is contacted with the friction wheel 664 to brake the screw 661, and the position adjustment of the sleeve 65 is completed;

this device can promote the inside surface area of rotor 1, promotes the cooling water heat absorption capacity, and then improves rotor 1 cooling effect, can guarantee the gas tightness between sleeve pipe 65 and the rotor 1 moreover according to the position of 1 operating time adjustment sleeve pipe 65 of rotor, has guaranteed the ability of carrying the cooling water to rotor 1, more does benefit to the popularization.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "middle", "other end", "upper", "one side", "top", "inner", "front", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "fixedly attached," "mounted," "attached," "screwed," and the like are to be construed broadly and can include, for example, a fixed attachment, a removable attachment, or an integral part; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Forced cooling runner of banbury mixer rotor, including rotor (1), its characterized in that still includes:

the main flow channel (2) is arranged at the center of the left side wall of the rotor (1) along the horizontal direction;

the number of the bypass channels (3) is four, and the bypass channels are arranged on the outer side of the left side wall of the rotor (1) along the circumferential direction;

the four diversion holes (4) are formed in the right end of the inner wall of the main runner (2) along the circumferential direction, and the diversion holes (4) are communicated with the bypass runners (3);

the number of the heat dissipation strips (5) is a plurality, and the heat dissipation strips are circumferentially arranged on the inner wall of the bypass channel (3);

the rotor sealing mechanism (6) is arranged on the left side wall of the rotor (1), and the rotor sealing mechanism (6) is locked with the internal mixer through bolts;

the rotor sealing mechanism (6) includes:

the shell (61) is locked at the fixed end of the rotor (1) of the internal mixer through a bolt, and the shell (61) is sleeved on the outer wall of the rotor (1);

a return joint (62) fixedly connected to the top of the housing (61);

a cylinder (63) fixedly connected to the center of the left inner wall of the housing (61);

the main flow joint (64) is fixedly connected to the left end of the inner wall of the cylinder body (63);

the sleeve (65) can be inserted into the inner cavity of the cylinder body (63) in a left-right sliding mode, good air tightness is kept between the sleeve (65) and the cylinder body (63), and the right end of the sleeve (65) is in contact with the left end of the rotor (1);

a driving assembly (66) mounted at the bottom of the inner cavity of the shell (61);

and the brake assembly (67) is mounted at the bottom of the left side wall of the shell (61).

2. The forced cooling runner for rotor of internal mixer as claimed in claim 1, characterized in that: the four bypass channels (3) are equidistantly distributed in the rotor (1) by taking the center line of the main channel (2) as the center.

3. The forced cooling runner for rotor of internal mixer as claimed in claim 1, characterized in that: the drive assembly (66) includes:

a screw (661) rotatably mounted to the bottom end of the left side wall of the housing (61) through a bearing;

a push rod (662) which is screwed on the right side of the outer wall of the screw rod (661);

the connecting rod (663) is installed at the right end of the push rod (662), and the top end of the connecting rod (663) is fixedly connected with the outer wall of the sleeve (65);

a friction wheel (664) mounted on the left end of the outer wall of the screw rod (661);

and a knob (665) attached to the left end of the screw (661).

4. The forced cooling runner for rotor of internal mixer as claimed in claim 1, characterized in that: the brake assembly (67) comprises:

the supporting plate (671) is fixedly connected to the bottom end of the left side wall of the shell (61), and the supporting plate (671) is located at the bottom end of the screw rod (661);

the sleeve (672) is arranged in the middle of the supporting plate (671), and the cross section of the inner cavity of the sleeve (672) is rectangular;

the pull rod (673) can be inserted into the inner cavity of the sleeve (672) in a vertically sliding manner;

the spring (674) is sleeved on the top of the outer wall of the pull rod (673);

and the friction plate (675) is arranged at the top end of the pull rod (673), and the friction plate (675) is contacted with the friction wheel (664) under the action of the spring (674) to brake the screw rod (661).

5. The forced cooling runner for rotor of internal mixer as claimed in claim 4, characterized in that: the friction plate (675) is configured in an arc shape.