CN218267227U

CN218267227U - Shaft end sealing structure of high-speed mixer

Info

Publication number: CN218267227U
Application number: CN202222454833.8U
Authority: CN
Inventors: 赵永锋; 侯冬轩; 刘泽萍; 朱林剑; 车全伟; 慕朝阳; 孙斌; 刘慧慧
Original assignee: Jiaozuo Banlv Nano Material Engineering Co ltd
Current assignee: Henan Nali Youcai Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-10
Anticipated expiration: 2032-09-16

Abstract

The utility model provides a high machine axle head seal structure that mixes, include: power shaft, stirring rake, lag and sealed, the output of power shaft passes the cylinder body bottom of high machine that mixes to the drive the stirring rake is rotatory, the stirring rake includes: the paddle is fixed outside the sleeve along the radial direction, the sleeve and the protective sleeve are sleeved at the output end of the power shaft, the sleeve is located at the top of the protective sleeve, and two ends of the protective sleeve are tightly attached to the sleeve and the cylinder body respectively so as to block materials. The utility model discloses a suit lag makes lag and power shaft clearance fit on the power shaft, closely laminates lag top end face and the sleeve pipe bottom terminal surface of stirring rake, and the bottom terminal surface of lag closely laminates with the cylinder body bottom surface simultaneously to this reaches sealed effect to the power shaft, carries out the separation to the material, has greatly reduced the material with the power shaft contact, reduces the degree of wear of power shaft.

Description

Shaft end sealing structure of high-speed mixer

Technical Field

The utility model belongs to the technical field of the axle head is sealed, concretely relates to high machine axle head seal structure that mixes.

Background

At present, when a conventional high-speed mixer is mechanically assembled, a gap is inevitably formed between the shaft end of a power shaft and a cylinder body, when materials enter, the shaft body is abraded by long-term friction, the gap is increased, the condition of material leakage at the shaft end is aggravated, and the materials are seriously wasted; during the operation of the high-speed mixer, the bottom of the paddle and the cylinder body inevitably has gaps, so that a part of materials are extruded and retained in the gaps; when using multiple material mixing, all can cause the inhomogeneous condition of compounding when long-pending material or leaking the material, and serious extravagant material easily causes the negative effect that the experiment effect reduces.

Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough among the above-mentioned prior art, provide a high machine axle head seal structure that mixes.

In order to achieve the above object, the present invention provides the following technical solutions:

a shaft end sealing structure of a high-speed mixer is characterized by comprising: power shaft, stirring rake, lag and seal cover, the cylinder body bottom of high machine that mixes is passed to the output of power shaft in order to drive the stirring rake is rotatory, the stirring rake includes: paddle and sleeve pipe, the paddle is radially fixed in sheathed tube outside, the sleeve pipe with the lag all suit in the output of power shaft, the sleeve pipe is located the top of lag, the both ends of lag closely laminate in respectively in the sleeve pipe with the cylinder body to separate the material, the seal cover suit in the lag is outside, the bottom of seal cover with the cylinder body closely laminates in order to right the cylinder body bottom seals, the outside of seal cover is equipped with spiral water conservancy diversion line in order to cooperate the stirring rake intensive mixing the material of paddle below.

In the shaft end sealing structure of the high-speed mixer, preferably, a motor is installed at the bottom of the cylinder body, and a transmission shaft of the motor drives the power shaft to rotate.

Preferably, the sleeve is fixed on the power shaft through a jackscrew, and the diameter of the power shaft is matched with the inner diameter of the sleeve.

Preferably, the surface of the sleeve is provided with a threaded through hole, the jackscrew is installed on the sleeve through the threaded through hole, and the jackscrew is rotated to enable the output end of the jackscrew to be propped against the power shaft.

Preferably, the lag is located the power shaft with between the seal cover, the inboard of lag corresponds the power shaft, the outside corresponds the seal cover, the inside and outside of lag with the power shaft with there is the clearance between the seal cover.

Preferably, the bottom of the sealing sleeve is provided with a sealing plate, and the sealing plate is fixed with the cylinder body through a bolt so as to seal the bottom of the cylinder body.

Preferably, the top of the sealing sleeve is provided with a baffle plate with the diameter smaller than that of the sealing plate.

Preferably, the outer sides of the sealing plate and the baffle are provided with flow guide lines in the spiral direction upwards.

Preferably, the top of the protective sleeve protrudes out of the sealing sleeve.

Preferably, the paddle is a propeller type stirring blade.

Has the advantages that: 1. the utility model discloses a suit lag on the power shaft, make lag and power shaft clearance fit, thereby allow to have relative motion between power shaft and the lag, reduce the coefficient of friction between power shaft and the lag with this, greatly reduce the degree of wear of power shaft and lag, closely laminate lag top terminal surface and the sleeve pipe bottom terminal surface of stirring rake, closely laminate the bottom terminal surface of lag with the cylinder body bottom surface simultaneously, reach sealed effect to the power shaft with this, separate the material, greatly reduced the material that contacts with the power shaft, reduce the degree of wear of power shaft, improve the life of power shaft body; the utility model discloses a suit the seal cover at the lag outside and make both clearance fit, can allow to have relative motion between seal cover and the lag, in order to reduce coefficient of friction between the two, effectual guard action has all been played seal cover and lag, through closely laminating seal cover bottom surface and cylinder body inner bottom surface, can seal the cylinder body bottom surface, thereby raise the hourglass material gap that is in the cylinder body bottom surface originally, in order to reduce to leak the material, alleviate the condition that blendor ladle body bottom axle head leaks the powder effectively, the staff of being convenient for simultaneously clears up the material of paddle below.

2. The utility model provides a when the stirring rake rotates, the material can be the effect that the vortex form flows in order to reach the compounding in the cylinder body, the material of paddle below then can be to the seal cover gathering so, through set up spiral water conservancy diversion line in the seal cover outside, the gathering can rise step by step along its surperficial spiral water conservancy diversion line at the material on seal cover surface, with to the material to the paddle below water conservancy diversion, make the material of paddle below also can the intensive mixing, reduce the long-pending material in paddle below simultaneously, make the material misce bene, effect when in order to improve the experiment.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:

FIG. 1 is an overall view of the present invention;

FIG. 2 is a cross-sectional perspective view of the present invention;

FIG. 3 is a front sectional view of the present invention;

fig. 4 is a schematic view of the threaded through hole structure of the present invention.

In the figure: 1. a power shaft; 2. a stirring paddle; 3. a protective sleeve; 4. sealing sleeves; 5. a cylinder body; 6. a paddle; 7. a sleeve; 701. a threaded through hole; 8. a motor; 9. carrying out top thread; 10. a sealing plate; 11. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

Examples

A shaft end sealing structure of a high-speed mixer is disclosed, as shown in figures 1 and 4, and comprises a power shaft 1, a stirring paddle 2, a protective sleeve 3 and a sealing sleeve 4, wherein a motor 8 is fixed in the middle of the bottom surface of the outer side of a cylinder body 5 of a mixer, a transmission shaft of the motor 8 is fixed with the power shaft 1 to drive the power shaft 1 to rotate, the output end of the power shaft 1 penetrates through the bottom of the cylinder body 5, the stirring paddle 2 is sleeved on an output shaft of the power shaft 1, the stirring paddle 2 comprises three blades 6 and a sleeve 7, the three blades 6 are fixed on the outer portion of the sleeve 7 along the radial direction of the sleeve 7, and the two adjacent blades 6 are spaced at equal intervals to enable the blades 6 to stably rotate, wherein the blades 6 are pushing stirring blades, and when the blades 6 rotate at high speed, materials can rise in a vortex shape, so that the materials are fully mixed; the sleeve 7 is fixedly sleeved on an output shaft of the power shaft 1 through the jackscrew 9 and tightly attached to the power shaft 1, a threaded through hole 701 is formed in the surface of the sleeve 7, the jackscrew 9 is installed on the sleeve 7 in a threaded mode through the threaded through hole 701, and the output end of the jackscrew 9 is pressed against the power shaft 1 through rotation of the jackscrew 9, so that the sleeve 7 and the power shaft 1 are stably fixed.

As shown in fig. 2 and 3, the top end face of the protecting sleeve 3 is tightly attached to the bottom end face of the sleeve 7 and sleeved on the power shaft 1, the end face of the bottom of the protecting sleeve 3 is tightly attached to the inner bottom face of the cylinder 5, the upper end face and the lower end face of the protecting sleeve 3 are respectively tightly attached to the sleeve 7 and the cylinder 5, the power shaft 1 can be sealed, materials are separated outside the protecting sleeve 3, the materials contacting with the power shaft are greatly reduced, the wear degree of the power shaft is reduced, the service life of the power shaft 1 is prolonged, the protecting sleeve 3 is in clearance fit with the power shaft 1, the radius difference between the protecting sleeve 3 and the power shaft 1 is between 0 mm and 0.5mm, relative motion between the power shaft 1 and the protecting sleeve 3 is allowed, the friction coefficient between the power shaft 1 and the protecting sleeve 3 is reduced, and the wear degree between the power shaft 1 and the protecting sleeve 3 is greatly reduced.

The suit of seal cover 4 is in the outside of lag 3, and the top of lag 3 is outstanding in seal cover 4, guarantee that the top end face of lag 3 can closely laminate with the bottom terminal surface of sleeve pipe 7, seal cover 4 and lag 3 clearance fit, the radius difference of seal cover 4 and lag 3 is between 0 ~ 1mm, can allow to have relative motion between seal cover 4 and the lag 3, in order to reduce coefficient of friction between the two, all played effectual guard action to seal cover 4 and lag 3, the bottom of seal cover 4 closely laminates with the interior bottom surface of cylinder body 5, be used for sealing 5 bottom surfaces of cylinder body, thereby raise the hourglass material gap that is in 5 bottom surfaces of cylinder body originally, in order to reduce hourglass material, can alleviate the condition that 5 bottom shaft ends of blendor cylinder body leak powder effectively, the staff of being convenient for simultaneously clears up the material of paddle 6 below.

As shown in fig. 1, the lateral surface of seal cover 4 is equipped with spiral water conservancy diversion line in order to cooperate the material of 2 intensive mixing paddle 6 below of stirring rake, specifically, when power shaft 1 drives 2 high-speed rotations of stirring rake, the material in the cylinder body 5 can be vortex form and flow along the cylinder wall, 6 below materials of paddle then can be to the gather of seal cover 4, the material on 4 surfaces of seal cover of gathering can rise step by step along its surperficial spiral water conservancy diversion line, thereby can be with the material intensive mixing of 6 below paddles through the spiral water conservancy diversion line in the 4 outsides of seal cover, in order to reduce the long-pending material of 6 below of paddle, make material misce bene, can improve its effect of testing when testing.

As shown in fig. 1, a sealing plate 10 is fixedly extended from the bottom of the sealing sleeve 4 to the outside, the lower surface of the sealing plate 10 is tightly attached to the inner bottom surface of the cylinder body 5, and the sealing plate 10 and the cylinder body 5 are fixed together by bolts, so that the sealing effect of the bottom of the cylinder body 5 is ensured, and the position of the sealing sleeve 4 is also stabilized; the top of the sealing sleeve 4 extends towards the outside and is fixedly provided with a baffle 11, partial materials can be prevented from entering a material leakage gap lifted by the sealing sleeve 4 through the baffle 11, and material leakage is reduced, the diameter of the baffle 11 is smaller than that of the sealing plate 10, so that on one hand, bolts for fixing the sealing plate 10 and the cylinder body 5 are convenient to install, and on the other hand, the situation that the materials below the paddle 6 are prevented from rising due to the fact that the acting surface of the baffle 11 is too large, and uneven mixing is caused is prevented; spiral diversion lines are also arranged on the outer sides of the sealing plate 10 and the baffle 11 and are the same as the spiral diversion direction of the outer side of the sealing sleeve 4, so that the material below the paddle 6 can be more favorably lifted, and the material can be rapidly mixed.

It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the following claims are intended to cover all modifications, equivalents, and improvements falling within the spirit and principles of the present invention.

Claims

1. The utility model provides a high machine axle head seal structure that mixes which characterized in that includes: the device comprises a power shaft, a stirring paddle, a protective sleeve and a sealing sleeve;

the output end of the power shaft penetrates through the bottom of a cylinder body of the high-speed mixer so as to drive the stirring paddle to rotate;

the stirring paddle includes: the paddle is fixed on the outer part of the sleeve along the radial direction;

the sleeve and the protecting sleeve are sleeved at the output end of the power shaft, the sleeve is positioned at the top of the protecting sleeve, and two ends of the protecting sleeve are respectively and tightly attached to the sleeve and the cylinder body so as to block materials;

the sealing sleeve is sleeved outside the protecting sleeve, the bottom of the sealing sleeve is tightly attached to the cylinder body to seal the bottom of the cylinder body, and spiral guide lines are arranged on the outer side of the sealing sleeve to be matched with the stirring paddle to fully mix materials below the paddle.

2. The shaft end sealing structure of the high-speed mixer as claimed in claim 1, wherein a motor is mounted at the bottom of the cylinder body, and a transmission shaft of the motor drives the power shaft to rotate.

3. The shaft end sealing structure of the high-speed mixer as claimed in claim 1, wherein the sleeve is fixed on the power shaft through a jackscrew, and the diameter of the power shaft is matched with the inner diameter of the sleeve.

4. The shaft end sealing structure of the high-speed mixer as claimed in claim 3, wherein the surface of the sleeve is provided with a threaded through hole, the jackscrew is mounted on the sleeve through the threaded through hole, and the output end of the jackscrew is pressed against the power shaft by rotating the jackscrew.

5. The shaft end sealing structure of the high-speed mixer according to claim 1, wherein the protecting sleeve is located between the power shaft and the sealing sleeve, the inner side of the protecting sleeve corresponds to the power shaft, the outer side of the protecting sleeve corresponds to the sealing sleeve, and gaps exist between the inner side and the outer side of the protecting sleeve and between the power shaft and the sealing sleeve.

6. The shaft end sealing structure of the high-speed mixer as claimed in claim 1, wherein a sealing plate is disposed at a bottom of the sealing sleeve, and the sealing plate is fixed to the cylinder block by a bolt to seal a bottom of the cylinder block.

7. The shaft end sealing structure of the high-speed mixer as recited in claim 6, wherein a baffle plate having a smaller diameter than the sealing plate is provided on a top portion of the sealing sleeve.

8. The shaft end sealing structure of the high-speed mixer as claimed in claim 7, wherein the sealing plate and the baffle plate are provided with flow guide lines on the outer sides thereof in the upward spiral direction.

9. The shaft end sealing structure of the high-speed mixer as recited in claim 1, wherein a top portion of the protecting sleeve protrudes from the sealing sleeve.

10. The shaft end sealing structure of the high-speed mixer as recited in claim 1, wherein the paddle is a propeller-type stirring blade.