CN209865855U - a mixing device - Google Patents

Abstract

The utility model is suitable for a coating equipment technical field provides an agitated vessel. The utility model discloses an agitated vessel includes a jar body and rabbling mechanism, the rabbling mechanism includes that one end stretches into the (mixing) shaft in the jar body, locate the (mixing) shaft and stretch into at least one stirring rake of the one end of the jar body, and be used for driving (mixing) shaft pivoted first driving piece, the other end of (mixing) shaft can locate jar body with rotating on, the inner wall of the jar body is provided with first low surface energy layer, when adding the raw materials in jar body and stirring, the raw materials is difficult for adhering to on first low surface energy layer, can reduce the problem of scale deposit from this, thereby make raw materials stirring more thorough, avoid the extravagant problem of raw materials.

Description

a mixing device

technical field

The utility model belongs to the technical field of coating equipment, in particular to a stirring equipment.

Background technique

When producing coatings, it is usually necessary to use stirring equipment to stir the raw materials. However, after the existing mixing equipment adds raw materials, the raw materials are easy to adhere to the inner wall of the tank, resulting in incomplete stirring, resulting in waste of raw materials, and adhered to the tank. The raw materials on the body will scale, and it will be difficult to clean the raw materials after scaling.

Contents of the invention

The purpose of the utility model is to provide a stirring device, aiming at solving the technical problems that the inner wall of the tank of the existing stirring device is easy to absorb raw materials, resulting in incomplete stirring, waste of raw materials and fouling.

The utility model is achieved in this way. A stirring device includes a tank body and a stirring mechanism. The stirring mechanism includes a stirring shaft extending into the tank body at one end, and a At least one stirring paddle at one end, and a first drive member for driving the stirring shaft to rotate, the other end of the stirring shaft is rotatably arranged on the tank body, and the inner wall of the tank body is provided with a first low surface energy layer.

Further, the outer surface of the stirring paddle is provided with a second low surface energy layer, and the surface energies of the first low surface energy layer and the second low surface energy layer are both lower than 25mJ/m ² .

Further, the stirring device further includes a wall scraping frame that can rotate relative to the tank body, the wall scraping frame is sheathed on the outside of the stirring shaft, and the wall scraping frame is attached to the inner wall of the tank body.

Further, the wall scraping frame is connected to the end of the stirring shaft away from the stirring paddle through a bearing, and the stirring device further includes a second driving member for driving the wall scraping frame to rotate.

Further, the angular velocity of rotation of the scraping frame is lower than the angular velocity of rotation of the stirring shaft.

Further, the outer surface of the wall scraping frame is provided with a third low surface energy layer, and the surface energy of the third low surface energy layer is lower than 25mJ/m ² .

Further, the bottom of the tank body is provided with a discharge port, and a discharge valve is provided on the discharge port.

Further, a detachable filter screen is provided at the bottom of the discharge valve.

Further, the mesh number of the filter net is 30 mesh to 50 mesh.

Further, the tank body has a wide top and a narrow bottom.

The stirring equipment provided by the utility model includes a tank body and a stirring mechanism. The stirring mechanism includes a stirring shaft with one end extending into the tank body, at least one stirring paddle arranged at one end of the stirring shaft extending into the tank body, and a stirring shaft for driving the stirring shaft. The first rotating drive member and the other end of the stirring shaft are rotatably arranged on the tank body. The inner wall of the tank body is provided with a first low surface energy layer. When raw materials are added into the tank body for stirring, the raw materials are not easy to adhere to the first On the low surface energy layer, the problem of fouling can be reduced, so that the raw materials can be stirred more thoroughly and the waste of raw materials can be avoided.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural diagram of a stirring device provided by an embodiment of the present invention.

Wherein, each reference sign in the figure:

1-tank; 11-discharge port;

2- stirring shaft; 3- stirring paddle;

4-the first driving member; 5-the first low surface energy layer;

6-scraping frame; 61-scraper;

62-connecting rod; 7-second drive member;

8- discharge valve; 81- filter screen;

9 - Bearings.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when a component is referred to as being “fixed on” or “disposed on” another component, it may be directly or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are for convenience of description only, rather than indicating or implying the referred device Or elements must have a particular orientation, be constructed and operate in a particular orientation and therefore should not be construed as limiting this patent. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. "Plurality" means two or more, unless otherwise clearly and specifically defined.

In order to illustrate the technical solution described in the utility model, the following will be described in detail in conjunction with specific drawings and embodiments.

Please refer to Fig. 1, the utility model embodiment provides a kind of stirring device, comprises tank body 1 and stirring mechanism, and the top of tank body 1 is provided with feeding port (not shown), and stirring mechanism includes one end stretching in the tank body 1 Stirring shaft 2, at least one stirring paddle 3 arranged at one end of the stirring shaft 2 extending into the tank body 1 and arranged at intervals along the length direction of the stirring shaft 2, and a first driving member 4 for driving the stirring shaft 2 to rotate, stirring The other end of the shaft 2 is rotatably arranged on the top of the tank body 1 , and the inner wall of the tank body 1 is provided with a first low surface energy layer 5 . In the embodiment of the present utility model, the stirring mechanism includes two stirring paddles 3 arranged at intervals. It can be understood that one or more than three stirring paddles 3 may be provided according to actual needs.

In the stirring equipment of the embodiment of the present utility model, the tank body 1 is a metal part, specifically, but not limited to, a stainless steel part, and the first low surface energy layer 5 is obtained by modifying the surface of the stainless steel part, such as , using fluorosilicon surfactants to spray on the surface of stainless steel parts to modify the surface of stainless steel parts, so that the surface of stainless steel parts forms the first low surface energy layer 5, of course, according to the actual situation , the first low surface energy layer 5 may be formed in other ways.

The stirring equipment of the embodiment of the utility model comprises a tank body 1 and a stirring mechanism, and the stirring mechanism comprises a stirring shaft 2 extending into the tank body 1 at one end, at least one stirring paddle 3 arranged at one end of the stirring shaft 2, and a stirring shaft for driving the stirring shaft. 2 The first rotating drive member 4, the other end of the stirring shaft 2 is rotatably arranged on the tank body 1, the inner wall of the tank body 1 is provided with a first low surface energy layer 5, when the raw materials are added into the tank body 1 for stirring , the raw material is not easy to adhere to the first low surface energy layer 5, thereby reducing the problem of fouling, so that the raw material can be stirred more thoroughly and avoid the problem of raw material waste. In addition, because the raw material is not easy to adhere to the first low surface energy layer 5, making the cleaning of the tank body 1 easier.

Specifically, the first driving member 4 is a first motor, the stirring shaft 2 is provided with a first driven gear (not shown) at one end away from the stirring paddle 3, and the output shaft of the first motor is provided with a first driving gear (not shown). As shown in the figure), the first driving gear is meshed with the first driven gear, so that when the output shaft of the first motor rotates with the first driving gear, it can drive the first driven gear and the stirring shaft 2 to rotate synchronously. Certainly, according to the selection of actual situation, other ways can be adopted to realize that the first motor drives the stirring shaft 2 to rotate. One end of 3 is provided with a second synchronous wheel (not shown), the first synchronous wheel and the second synchronous wheel are arranged at intervals, and the first synchronous wheel and the second synchronous wheel are also sleeved with a first synchronous belt to realize the second synchronous wheel. The synchronous rotation of the first synchronous wheel and the second synchronous wheel realizes the rotation of the stirring shaft 2 driven by the first motor.

In one embodiment of the present utility model, the outer surface of stirring paddle 3 is provided with the second low surface energy layer (not shown), the surface energy of the first low surface energy layer 5 and the second low surface energy layer are all lower than 25mJ/m ² , so that when the paddle 3 stirs the raw materials, the raw material will not adhere to the paddle 3, thereby avoiding the formation of difficult-to-clean dirt on the surface of the paddle 3 and improving the use experience of the stirring equipment. In the stirring paddle 3 of the embodiment of the present utility model, the stirring paddle 3 is a metal part, specifically, but not limited to, a stainless steel part, which is obtained in the second low surface energy layer by modifying the surface of the stainless steel part, such as , using fluorosilicon surfactants to spray on the surface of stainless steel parts to modify the surface of stainless steel parts so that the surface of stainless steel parts forms a second low surface energy layer. Of course, according to the actual situation, The second low surface energy layer may be formed in other ways.

In one embodiment of the present invention, since the stirring equipment is stirring the raw materials, there will still be a small part of the raw materials attached to the first low surface energy layer 5. In order to solve this problem, the stirring equipment also includes a tank that can Body 1 rotates the scraping frame 6, the scraping frame 6 is sleeved outside the stirring shaft 2, the scraping frame 6 is attached to the inner wall of the tank body 1, and the scraping frame 6 includes The connecting rod 62 outside one end, and the scraper 61 connected with the connecting rod 62 and attached to the inner wall of the tank body 1, when the wall scraping frame 6 is rotated, the scraper 61 can scrape the raw material attached to the first low surface energy layer 5 Falling, so that the raw materials are stirred more thoroughly, improve the utilization rate of raw materials, and then improve the production quality of coatings. In this embodiment, only one wall scraping frame 6 is provided, and the wall scraping frame 6 includes two scrapers 61 attached to the inner wall of the tank body 1. It can be understood that more wall scraping frames 6 can be provided according to actual needs. , and each scraping frame 6 can be provided with one or more scrapers 61, which is not limited in this embodiment.

In one embodiment of the present invention, the wall scraping frame 6 rotates synchronously with the stirring shaft 2 , that is, the wall scraping frame 6 is fixedly sleeved on the stirring shaft 2 , so that the wall scraping frame 6 and the stirring shaft 2 rotate synchronously. In this embodiment, the first driving member 4 can simultaneously drive the scraping frame 6 and the stirring shaft 2 to rotate, and the angular velocity of the scraping frame 6 is equal to the angular velocity of the stirring shaft 2 .

In another embodiment of the present utility model, in order to prevent the scraping frame 6 from frequently rotating and damaging the first low surface energy layer 5, the scraping frame 6 can be set to rotate relative to the stirring shaft 2, specifically, the stirring shaft 2 can A bearing 9 is arranged between the wall scraping frame 6, so that the wall scraping frame 6 can rotate relative to the stirring shaft 2, and the stirring device also includes a second drive member 7 for driving the wall scraping frame 6 to rotate, and the angular velocity of the wall scraping frame 6 rotation is The angular velocity of the rotation of the stirring shaft 2 is lower, thereby reducing the rotation speed of the wall-scraping frame 6 and reducing the rotation frequency of the wall-scraping frame 6 , thereby increasing the service life of the first low surface energy layer 5 .

Specifically, the second drive member 7 is a second motor, the end of the connecting rod 62 away from the scraper 61 is provided with a second driven gear (not shown), and the output shaft of the second motor is provided with a second drive gear (not shown). Shown), the second driving gear is engaged with the second driven gear, so that when the output shaft of the second motor rotates with the second driving gear, it can drive the second driven gear and the scraping frame 6 to rotate synchronously. Certainly, according to the selection of the actual situation, other ways can be adopted to realize the rotation of the second motor to drive the wall scraping frame 6, for example, a third synchronous wheel (not shown) is arranged on the output shaft of the second motor, and the connecting rod 62 is far away from the scraper One end of 61 is provided with a fourth synchronous wheel (not shown), the third synchronous wheel and the fourth synchronous wheel are arranged at intervals, and the third synchronous wheel and the fourth synchronous wheel are also sleeved with a second synchronous belt to realize the first The synchronous rotation of the three synchronous wheels and the fourth synchronous wheel can realize the rotation of the scraping frame 6 driven by the second motor.

Preferably, the outer surface of the scraping frame 6 is provided with a third low surface energy layer (not shown), the surface energy of the third low surface energy layer is lower than 25mJ/m ² , so that the scraping frame 6 rotates and scrapes off the first When the raw material on a low surface energy layer 5 is used, the raw material will not adhere to the scraping frame 6, thereby avoiding the formation of difficult-to-clean dirt on the surface of the scraping frame 6. In the wall-scraping frame 6 of the embodiment of the utility model, the wall-scraping frame 6 is a metal product, specifically, but not limited to, a stainless steel product, and the third low surface energy layer is obtained by modifying the surface of the stainless steel product. , for example, use fluorosilicon surfactants to spray on the surface of stainless steel parts to modify the surface of stainless steel parts, so that the surface of stainless steel parts forms a third low surface energy layer, of course, according to the actual situation Alternatively, other methods may be used to form the third low surface energy layer.

In one embodiment of the present utility model, the tank body 1 is a structure with a wide top and a narrow bottom. The bottom of the tank body 1 is provided with a discharge port 11, and a discharge valve 8 is provided on the discharge port 11, so that the stirring equipment can be controlled. For the stirring time of the raw materials, when the raw materials are stirred for a certain period of time, the discharge valve 8 is opened, and the paint flows out from the discharge port 11.

In one embodiment of the present utility model, in order to ensure the fineness of the paint flowing out of the discharge port 11, a filter screen 81 can be detachably set at the bottom of the discharge valve 8, thereby filtering out particles with larger particle diameters to obtain The paint with a certain fineness improves the quality of the paint, and because the filter screen 81 is detachable, the filter screen 81 can be cleaned at any time, the utilization rate of the filter screen 81 is improved, and the purpose of recycling is achieved.

Optionally, the mesh number of the filter screen 81 is 30 mesh to 50 mesh, for example, the mesh number of the filter screen 81 may be 30 mesh, 40 mesh or 50 mesh, etc. Of course, according to the actual situation, other mesh filter screens 81 can be selected, which is not limited in this embodiment.

The above descriptions are only optional embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A stirring device, characterized in that it comprises a tank body and a stirring mechanism, and the stirring mechanism comprises an agitating shaft stretched into the tank body at one end, a stirring shaft at an end stretching into the tank body at the agitating shaft at least one stirring paddle, and a first drive member for driving the stirring shaft to rotate, the other end of the stirring shaft is rotatably arranged on the tank body, and the inner wall of the tank body is provided with a first low surface energy layer. 2. stirring equipment as claimed in claim 1, is characterized in that, the outer surface of described stirring paddle is provided with the second low surface energy layer, the first low surface energy layer and the described second low surface energy layer The surface energies are all lower than 25mJ/m ² . 3. The mixing device according to claim 1, characterized in that, the stirring device also includes a wall scraping frame that can rotate relative to the tank body, the wall scraping frame is sleeved on the outside of the stirring shaft, the The wall scraping frame is attached to the inner wall of the tank body. 4. The mixing device according to claim 3, wherein the wall scraping frame is connected with the end of the stirring shaft away from the stirring paddle through a bearing, and the stirring device also includes a The second driving member for the rotation of the wall scraping frame. 5. The stirring device according to claim 4, characterized in that, the angular velocity of the rotation of the scraping frame is smaller than the angular velocity of the rotation of the stirring shaft. 6. stirring equipment as claimed in claim 3, is characterized in that, the outer surface of described scraping frame is provided with the 3rd low surface energy layer, and the surface energy of described 3rd low surface energy layer is lower than 25mJ/m ² . 7. The stirring device according to any one of claims 1 to 6, characterized in that, the bottom of the tank body is provided with a discharge port, and a discharge valve is provided on the discharge port. 8. The stirring device according to claim 7, characterized in that, a detachable filter screen is provided at the bottom of the discharge valve. 9. The stirring device according to claim 8, characterized in that, the mesh number of the filter screen is 30 mesh to 50 mesh. 10. The stirring device according to any one of claims 1 to 6, characterized in that, the tank body has a structure that is wide at the top and narrow at the bottom.