CN112058139B

CN112058139B - Slurry dispersing machine

Info

Publication number: CN112058139B
Application number: CN202010768102.3A
Authority: CN
Inventors: 温雪峰; 霍晓新
Original assignee: Guangdong Suncoo Technology Co Ltd
Current assignee: Guangdong Suncoo Technology Co Ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2022-07-22
Anticipated expiration: 2040-08-03
Also published as: CN112058139A

Abstract

The invention provides a slurry dispersing machine, and belongs to the technical field of stirring equipment. The slurry dispersing machine comprises a dispersing machine body with a stirring shaft, wherein the dispersing machine body is provided with a cover plate for covering a slurry barrel and a driving mechanism for driving the cover plate to move up and down; the cover plate is provided with a through hole suitable for the stirring shaft to penetrate through. The slurry dispenser provided by the invention has the advantages of simple operation, practicality, reliability and slurry overflow prevention, and the liftable cover plate is arranged to effectively cover the slurry barrel in the stirring process so as to prevent slurry from overflowing under the action of strong stirring, thereby ensuring clean working environment and avoiding slurry waste.

Description

Slurry dispersing machine

Technical Field

The invention belongs to the technical field of stirring equipment, and particularly relates to a slurry dispersing machine.

Background

A dispersion machine is a kind of agitator in a broad sense, and a high speed agitator (such as a circular saw tooth type agitator) is also called a dispersion machine because a strong turbulent flow can be locally formed by using the high speed agitator, and a strong dispersion and emulsification effect is usually provided to a material. The dispersion machine is mainly divided into a lifting dispersion machine and a kettle dispersion machine, and the lifting dispersion machine can be divided into a hydraulic lifting dispersion machine, a pneumatic lifting dispersion machine, a hand-operated lifting dispersion machine and the like according to lifting modes.

When using the dispenser to carry out high-speed stirring to thick liquids, in order to avoid appearing the excessive thick liquid phenomenon, the staff often takes the following means: the stirring speed is adjusted downwards, which causes the dispersion effect of the slurry to be reduced; alternatively, the level of the slurry tank is lowered, which results in a decrease in the slurry throughput of the disperser in a single operation, so that the efficiency of the operation is reduced, slowing down the overall production speed. Therefore, there is a need to solve the technical problem of slurry overflow of the dispersing machine during the stirring operation.

It is seen that improvements and enhancements in the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a slurry dispersing machine, which aims to solve the technical problem that slurry overflows from a slurry barrel when the dispersing machine stirs.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a slurry dispersing machine comprises a dispersing machine body with a stirring shaft, wherein the dispersing machine body is provided with a cover plate for covering a slurry barrel and a driving mechanism for driving the cover plate to move up and down; the cover plate is provided with a through hole suitable for the stirring shaft to penetrate through.

In the slurry dispersing machine, the cover plate is circular when viewed from the overlook angle.

In the slurry dispersing machine, the bottom surface of the cover plate is fixedly connected with a rubber layer which can cover the slurry barrel and is positioned outside the circumference of the through hole.

In the slurry dispersing machine, the cover plate is a transparent acrylic plate, and the rubber layer is a transparent silicon rubber plate.

In the slurry dispersing machine, the driving mechanism is at least two telescopic cylinders fixed on the dispersing machine body.

In the slurry dispersing machine, the telescopic cylinders are uniformly and circumferentially arranged by taking the axis of the stirring shaft as a central line.

The slurry dispersing machine also comprises a detection device and a controller, wherein the detection device is used for detecting the height of the slurry barrel; the controller is electrically connected with the detection device, the driving mechanism and the dispersion machine body.

In the slurry dispersing machine, the detection device comprises a reflecting plate which can move up and down and can be abutted against the opening of the slurry barrel, and a photoelectric switch for detecting the height position of the reflecting plate; the photoelectric switch is fixedly connected to the dispersion machine body.

In the slurry dispersing machine, the dispersing machine body is provided with an axially vertical guide cylindrical rod, and the reflecting plate is provided with a guide hole suitable for the guide cylindrical rod to penetrate through; two fixed seats are welded on the dispersion machine body; and two ends of the guide cylindrical rod correspond to the fixed seats respectively and are fixedly connected with the fixed seats.

In the slurry dispersing machine, the controller is a PLC controller.

Has the advantages that:

compared with the prior art, the slurry dispersing machine has the advantages of being simple in operation, practical, reliable and capable of preventing slurry from overflowing under the action of powerful stirring, and the slurry dispersing machine is capable of effectively covering the slurry barrel in the stirring process by arranging the liftable cover plate so as to prevent slurry from overflowing under the action of powerful stirring, guarantee the working environment to be clean and avoid slurry waste.

Drawings

Fig. 1 is a perspective view of a slurry dispenser and a slurry barrel according to a first embodiment of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a perspective view of a slurry dispersing machine according to a first embodiment of the present invention.

Fig. 4 is a perspective view showing the structure of a driving mechanism and a cover plate in the slurry dispersing machine according to the first embodiment of the present invention.

Fig. 5 is a left side view of fig. 4.

Fig. 6 is a perspective view showing the structure of a slurry dispersing machine according to a second embodiment of the present invention, in a state where a cover plate and a telescopic cylinder are omitted.

Fig. 7 is a front view of a slurry dispersing machine according to a second embodiment of the present invention.

Wherein, 100-the disperser body; 110-stirring shaft; 120-a lifter; 130-a guide cylindrical rod; 140-a reflector plate; 150-a fixed seat; 200-a slurry barrel; 300-control electric box; 400-cover plate; 500-telescopic cylinder; 600-a rubber layer; 700-a via; 800-photoelectric switch.

Detailed Description

The present invention provides a slurry dispersing machine, which is described in further detail below with reference to the accompanying drawings and examples, in order to make the objects, technical solutions and effects of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplicity of description.

Referring to fig. 1, 2, 3 and 4, a first embodiment of the present invention provides a slurry disperser including a disperser body 100 with a stirring shaft 110, wherein the disperser body 100 is provided with a cover plate 400 for covering a slurry barrel 200, and a driving mechanism for driving the cover plate 400 to move up and down; the cover plate 400 is provided with a through hole 700 for the stirring shaft 110 to pass through. In this embodiment, the through hole 700 is a circular hole and is disposed coaxially with the stirring shaft 110; of course, square holes or other shapes are also possible.

Specifically, the driving mechanism is at least two telescopic cylinders 500 fixed to the dispersion machine body 100 by means of bolt installation. The end of the piston rod of the telescopic cylinder 500 is fixed to the top surface of the cover plate 400 by means of a bolt to drive the cover plate 400 to move up and down.

The telescopic cylinder 500 is uniformly and circumferentially arranged by taking the axis of the stirring shaft 110 as a central line, so that the whole stress of the cover plate 400 is uniform, and the cover plate 400 can be ensured to vertically and rapidly move in a horizontal state. In this embodiment, preferably, 3 telescopic cylinders 500 are adopted, and the arrangement positions of the telescopic cylinders form an included angle of 120 degrees with each other, so that the stress is uniform. In addition, 2 telescopic cylinders 500 may be used, which are angled at 180 ° to each other.

Before the disperser body 100 stirs the slurry in the slurry barrel 200 at a high speed, the driving mechanism is started, and the driving mechanism drives the cover plate 400 to move down until the bottom surface of the cover plate 400 contacts with the top surface of the opening of the slurry barrel 200. When the high-speed stirring of the slurry is performed, the slurry can be prevented from overflowing from the slurry barrel.

The working process of the slurry dispersion machine is as follows:

the worker controls the stirring shaft 110 to ascend by operating the control electric box 300 provided in the dispenser body 100. Wherein, dispenser body 100 orders about lifter 120 through the hydraulic cylinder effect and risees to improve (mixing) shaft 110 to a take the altitude, make things convenient for the staff to remove the below to (mixing) shaft 110 with the thick liquids bucket 200 of treating the stirring.

After the slurry barrel 200 is stationary, the control electric box 300 is operated, and the lifting rod 120 is driven by the hydraulic oil cylinder to drive the stirring shaft 110 to descend simultaneously until the stirring shaft 110 descends to the set fixed working position.

Then, the telescopic cylinder 500 is started, and when the telescopic cylinder 500 works, the piston rod thereof drives the cover plate 400 to descend until the cover plate 400 descends to the opening of the slurry barrel 200 and contacts with the opening.

When the cover plate 400 covers the slurry barrel 200, the driving motor of the disperser body 100 may be started to drive the stirring shaft 110 to rotate at a high speed, so as to stir the slurry in the slurry barrel 200 at a high speed.

Generally, the stirring time of the disperser body 100 may be set, and when the actual stirring time reaches the set stirring time, the operation of the stirring shaft 110 is automatically stopped. In order to prevent the slurry from overflowing from the slurry tank 200, the cover plate 400 needs to be opened by the telescopic cylinder 500 after the stirring shaft 110 stops working for a certain period of time, for example, 5 minutes.

After telescopic cylinder 500 drives apron 400 to rise and return to original position, alright rise the (mixing) shaft 110 to the highest position through hydraulic cylinder, make things convenient for the staff to take out thick liquids bucket 200.

The size of the through hole 700 formed in the cover plate 400 is slightly larger than that of the agitating shaft 110, so that the inner wall surface of the through hole 700 is prevented from contacting the circumferential surface of the agitating shaft 110, thereby preventing unnecessary friction, and air can be easily introduced into and discharged from the through hole 700 during agitation. The lid 400 is typically sized larger to handle the larger size of the conventional slurry barrel 200, and the lid 400 substantially covers the mouth of the slurry barrel 200 for the smaller size slurry barrel 200.

From a top view, the cover plate 400 is circular, and since the bung of the slurry barrel 200 is generally circular, the cover plate 400 is configured to correspond to the bung, which not only saves the manufacturing material of the cover plate 400, but also prevents the cover plate 400 from being scratched by the person because the edge of the cover plate 400 is smooth and has no corner.

As shown in fig. 2, 4 and 5, further, a rubber layer 600 covering the slurry tank 200 and located outside the circumference of the through hole 700 is fixedly connected to the bottom surface of the cover plate 400.

The rubber layer 600 can be fixed on the bottom surface of the cover plate 400 through an adhesive, the rubber layer 600 has the characteristics of certain buffering, shock absorption and elastic deformation, when the driving mechanism drives the cover plate 400 to move downwards to the slurry barrel 200, the bottom surface of the rubber layer 600 is tightly contacted with the top surface of the barrel opening of the slurry barrel 200, and the rubber layer 600 is enabled to be slightly deformed and recessed inwards, so that the buffering and shock absorption effects are achieved, the sealing effect can be enhanced, and the slurry is prevented from overflowing.

Furthermore, the cover plate 400 is a transparent acrylic plate, and the light transmittance of the acrylic plate is good and can reach more than 92%; the self weight is light, and is lighter than common glass, so that the load born by the telescopic cylinder 500 can be reduced; in addition, the acrylic plate has the advantages of good acid and alkali resistance, no toxicity, good ageing resistance, convenient maintenance, easy cleaning and long service life. Moreover, the rubber layer 600 is a transparent silicone rubber plate, and the transparent silicone rubber plate has the characteristics of oil resistance, high temperature resistance, good aging resistance, no toxicity, no odor, good sealing performance and the like.

Through setting apron 400 and rubber layer 600 transparent visible, the staff of being convenient for can directly perceivedly look over the stirring condition of thick liquids at the in-process of high-speed stirring thick liquids, need not to open apron 400.

On the other hand, referring to fig. 6 and 7, the slurry dispersing machine according to the second embodiment of the present invention further includes a detecting device for detecting the height of the slurry barrel 200, and a controller; the controller is electrically connected with the detection device, the driving mechanism and the dispersion machine body 100 through data wires, so that the controller controls the working states of the detection device, the driving mechanism and the dispersion machine body and collects related electric signals.

Specifically, the detecting device includes a reflecting plate 140 that can move up and down and can be abutted against the opening of the slurry barrel 200, and a photoelectric switch 800 for detecting the height position of the reflecting plate 140; photoelectric switch 800 passes through bolt mounting mode fixed connection in dispenser body 100, and photoelectric switch 800's detection head is vertical down, and the light beam A that detects the head transmission is received by photoelectric switch after the reflection of reflecting plate, and then the distance between survey and calculate reflecting plate 140 and photoelectric switch 800. The broken line in fig. 7 indicates the path of the light beam a.

The dispersion machine body 100 is provided with a guide cylindrical rod 130 which is vertical in the axial direction, the reflection plate 140 is provided with a guide hole (not shown) which is adapted to be penetrated by the guide cylindrical rod 130, and the reflection plate 140 can rotate around the guide cylindrical rod 130. The dispersion machine body 100 is welded with two fixing seats 150; two ends of the guiding cylindrical rod 130 are respectively and correspondingly fixedly connected with the fixing seat 150. When not in use, the reflection plate 140 is swung forwards or backwards to urge the end of the reflection plate 140 forwards or backwards, and the reflection plate 140 abuts against the lowest fixed seat 150, so as to avoid causing obstruction to the slurry barrel 200 close to the disperser body 100.

The fixing bases 150 are provided with circular holes suitable for the guide cylindrical rods 130 to pass through, after one end of the guide cylindrical rod 130 passes through one fixing base 150, the reflection plate 140 is sleeved on the guide cylindrical rod 130, and finally, two end portions of the guide cylindrical rod 130 are fixed on the two fixing bases 150. Specifically, a bolt may be screwed into the mounting holes formed in the fixing base 150 and the guide cylindrical bar 130 in a direction perpendicular to the axial direction of the guide cylindrical bar 130. Or, adopt bolt and separation blade collocation, the bolt passes the separation blade after so that screw in the tip of direction cylinder pole 130 with vertical direction, through the separation blade joint on fixing base 150 to this fixed connection between realization direction cylinder pole 130 and the fixing base 150. Besides, welding can be adopted.

The controller is a PLC controller and can be installed on the control box 300.

Since the photoelectric switch 800 and the telescopic cylinder 500 are fixed to the dispenser body 100, the distance H between the photoelectric switch and the cover 400 located at the original position (i.e., the height position at which the cover moves up to be operated when not in use) can be determined, and when the photoelectric switch 800 detects the relative distance H between the photoelectric switch and the reflection plate 140, the controller performs logical operation to subtract the distance H from the relative distance H, so as to obtain the downward movement distance of the cover 400. Of course, since the reflection plate 140 has a certain thickness, the downward movement distance of the cover plate 400 is added to the thickness data of the reflection plate 140.

Before the stirring operation starts, the staff moves the slurry barrel 200 to the stirring position, and makes the stirring shaft 110 extend into the slurry barrel 200 to wait for stirring, and at this time, the cover plate 400 is in the original position; then, the reflecting plate 140 is lifted from bottom to top and is higher than the slurry barrel 200; the free end of the reflection plate 140 is then swung toward the slurry barrel 200, and the reflection plate 140 is gently placed on the bung top of the slurry barrel 200. Then, the photoelectric switch 800 is turned on, the light beam a emitted by the photoelectric switch 800 is reflected by the reflection plate 140 and then received by the photoelectric switch 800, the distance between the photoelectric switch 800 and the reflection plate 140 is calculated by the controller, and the downward movement distance of the cover plate 400 is finally obtained through logical operation, so that the telescopic cylinder 500 drives the cover plate 400 to move downward.

When the cover plate 400 moves down, the reflection plate 140 needs to swing forward or backward and move down to the lower fixing base 150.

Through detection device, make things convenient for the controller to carry out operating condition accurate control to telescopic cylinder, make the apron intact covering on the thick liquids bucket, prevent that the apron from excessively moving down so that cause the damage to thick liquids bucket, apron to and the apron moves down not in place, the excessive thick liquid that appears.

In conclusion, the invention provides the slurry dispersing machine which has the advantages of simple operation, practicability, reliability and slurry overflow prevention, and the liftable cover plate is arranged to effectively cover the slurry barrel in the stirring process so as to prevent slurry from overflowing under the action of strong stirring, thereby ensuring clean working environment and avoiding slurry waste.

Moreover, the transparent apron of accessible and rubber layer make things convenient for the staff directly perceivedly to look over the stirring condition under the stirring state, and the setting on rubber layer is favorable to strengthening sealed effect, prevents that excessive thick liquid problem from appearing.

In addition, the detection device is arranged, so that the height of the slurry barrel can be measured and calculated, the controller can conveniently and accurately control the working state of the telescopic cylinder, the cover plate is enabled to be completely covered on the slurry barrel, the cover plate is prevented from being excessively moved downwards to damage the slurry barrel and the cover plate, and the cover plate is prevented from being moved downwards incompletely to cause slurry overflow.

It should be understood that equivalents and modifications to the invention as described herein may occur to those skilled in the art, and all such modifications and alterations are intended to fall within the scope of the appended claims.

Claims

1. A slurry dispersing machine comprises a dispersing machine body with a stirring shaft, and is characterized in that the dispersing machine body is provided with a cover plate for covering a slurry barrel and a driving mechanism for driving the cover plate to move up and down, and the driving mechanism is at least two telescopic air cylinders fixed on the dispersing machine body; the cover plate is provided with a through hole which is suitable for the stirring shaft to penetrate through;

the device also comprises a detection device and a controller, wherein the detection device is used for detecting the height of the slurry barrel; the controller is electrically connected with the detection device, the driving mechanism and the dispersion machine body;

the detection device comprises a reflecting plate which can move up and down and can be abutted against the opening of the slurry barrel, and a photoelectric switch for detecting the height position of the reflecting plate; the photoelectric switch is fixedly connected to the dispersion machine body;

the dispersion machine body is provided with an axially vertical guide cylindrical rod, and the reflecting plate is provided with a guide hole suitable for the guide cylindrical rod to penetrate through; two fixing seats are welded on the dispersion machine body; two ends of the guide cylindrical rod are respectively and correspondingly fixedly connected with the fixed seat;

before stirring work begins, workers move the slurry barrel to a stirring position, enable the stirring shaft to extend into the slurry barrel, wait for stirring, and enable the cover plate to be in an original position; then lifting the reflecting plate from bottom to top, wherein the height of the reflecting plate is higher than that of the slurry barrel; then swinging the free end of the reflecting plate to face the slurry barrel, and slowly placing the reflecting plate on the top surface of the opening of the slurry barrel; then, starting the photoelectric switch, reflecting the light beam A emitted by the photoelectric switch by the reflecting plate and then receiving the light beam A by the photoelectric switch, further calculating the distance between the photoelectric switch and the reflecting plate by the controller, finally obtaining the downward movement distance of the cover plate after logical operation, and prompting the telescopic cylinder to drive the cover plate to move downward;

when the cover plate moves downwards, the reflecting plate needs to be swung forwards or backwards and moved downwards to the fixed seat below.

2. The slurry disperser according to claim 1, wherein the cover plate is circular in top view.

3. The slurry dispersing machine according to claim 1, wherein a rubber layer covering the slurry barrel and located outside the circumference of the through hole is fixedly connected to the bottom surface of the cover plate.

4. The slurry dispersing machine according to claim 3, wherein the cover plate is a transparent acrylic plate, and the rubber layer is a transparent silicone rubber plate.

5. The slurry dispersing machine according to claim 1, wherein the telescopic cylinders are uniformly and circumferentially arranged with the axis of the stirring shaft as a center line.

6. The slurry disperser according to claim 1, wherein the controller is a PLC controller.