CN209917378U - A filter equipment for coating - Google Patents

Abstract

The utility model relates to a filter equipment for coating, including filter vat, filter sieve, agitator and discharging pipe, wherein: the filter barrel is cylindrical and is provided with a detachable top cover, and the top cover is provided with a feeding pipe and an air inlet pipe; the filter sieve is conical and is arranged in the filter barrel; the stirrer consists of a stirring shaft penetrating through the top cover, a motor in transmission connection with the top end of the stirring shaft and a plurality of stirring paddles distributed at the bottom end of the stirring shaft along the circumferential direction, the bottom end of the stirring shaft corresponds to the top point of the filter sieve, and each stirring paddle is attached to the surface of the filter sieve; the discharging pipe is arranged on the side surface of the filtering barrel and is positioned below the filtering screen. Compared with the prior art, the utility model provides high filtration efficiency has reduced the manpower consumption, can avoid the adverse effect to the health moreover.

Description

A filter equipment for coating

Technical Field

The utility model belongs to the technical field of the coating technique and specifically relates to a filter equipment for coating is related to.

Background

The paint is mainly used for protecting, decorating, marking and other special purposes by firmly covering the surface of an object. If large particles or solid impurities exist in the paint, the film forming property and the adhesive force of the paint are influenced, surface defects are formed, the container paint and the wind electric paint are exposed to severe environments such as high salt, high humidity, wind sand, sunshine and the like, and once the surface defects occur, the surface defects are quickly diffused, so that the container paint and the wind electric paint are filtered to remove the large particles or the solid impurities.

The sieve that the bottom was the filter screen is mostly adopted in present coating edulcoration, during the use, pours the coating into the sieve in, filters with the help of manual stirring, and this kind of mode has following shortcoming:

(1) low efficiency and manpower waste;

(2) adverse effects on human health can be generated in the operation process;

(3) large particles or solid impurities are easy to accumulate on the sieve to block the sieve pores, and the filtering efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a filter device for paint, which overcomes the drawbacks of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

a filter apparatus for paint, comprising:

the filter barrel is cylindrical and is provided with a detachable top cover, the top cover is provided with a feeding pipe and an air inlet pipe,

the filter sieve is in a conical shape and is arranged in the filter barrel,

the stirrer consists of a stirring shaft which is arranged on the top cover in a penetrating way, a motor which is in transmission connection with the top end of the stirring shaft and a plurality of stirring paddles which are distributed at the bottom end of the stirring shaft along the circumferential direction, the bottom end of the stirring shaft corresponds to the top point of the filter sieve, each stirring paddle is attached to the surface of the filter sieve,

and the discharge pipe is arranged on the side surface of the filter barrel and is positioned below the filter screen.

The utility model discloses an adopt the toper filter sieve, the cooperation is with the stirring rake, and one has realized the automatic stirring in the filtering process, and two large granule thing or solid impurity in the filtering process can be under self gravity and centrifugal action at the stirring in-process, along filter sieve domatic to filter sieve marginal movement and at the filter sieve marginal accumulation, and can not block up the sieve mesh by a large scale, have promoted filtration efficiency. The utility model adopts an intermittent working mode, and the air inlet and the stirring are closed during feeding; during the filtration operation, open the mixer and let in gas (air or inert gas), carry out the pressure filtration, further promote filtration efficiency. The coating filtered by the filter screen flows out through the discharge pipe and is collected. The device of the utility model is suitable for the filtration of coating, especially high viscosity coating.

Preferably, the filter screen is fixed in the filter barrel through threads and is carried on a retaining ring fixed on the inner side wall of the filter barrel.

Preferably, the vertex angle of the conical filter screen is 135-150 degrees. The conical filter sieve is adopted, so that large-particle substances or solid impurities are prevented from blocking sieve pores, the filtering area is effectively increased, and the filtering efficiency is greatly improved.

Preferably, the length of the stirring paddle is 4/5-7/8 of the length of a generatrix of the conical filter screen. The edge of stirring rake has a small segment distance apart from the edge of filter sieve, has avoided the stirring rake to drive the large granule thing or the solid impurity motion that accumulate at the filter sieve edge and has caused the filtration efficiency reduction at the stirring in-process.

Preferably, the filter screen is located at the 1/2 level of the filter vat. Set up the filter screen in this department, once can let in more coating through the inlet pipe.

Preferably, the number of the stirring paddles is 2, and the stirring paddles are uniformly distributed at the bottom end of the stirring shaft along the circumferential direction. During stirring, low-speed stirring is adopted.

It is further preferred that the width of the paddle decreases gradually along the length of the paddle. Further reduction of agitation will disturb large particles or solid impurities that accumulate at the edges of the filter screen. The filtration efficiency is improved.

Preferably, the feed pipe and the air inlet pipe are both provided with control valves. For controlling intermittent operation.

Preferably, the bottom in the filter vat is the inclined plane form, and the discharging pipe sets up in the minimum on inclined plane. The filtered coating can flow out conveniently.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the mechanical stirring is adopted, so that the automatic filtration can be conveniently realized, the filtration efficiency is improved, and the labor consumption is reduced.

(2) The filter screen and the stirring paddle of special design have improved filtration efficiency.

(3) The stirring and filtering process is carried out in a relatively closed container, so that the pollution can be effectively controlled, and the adverse effect on the human health is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1 is a filter barrel, 11 is a top cover, 12 is a feeding pipe, 13 is an air inlet pipe, 14 is a retainer ring, 15 is a discharging pipe, 2 is a filter sieve, 31 is a stirring shaft, 32 is a motor, and 33 is a stirring paddle.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

A filtering apparatus for dope, as shown in fig. 1, comprising a filtering tub 1, a filtering sieve 2, an agitator and a discharging pipe 15, wherein: the filter barrel 1 is cylindrical and is provided with a detachable top cover 11, and a feeding pipe 12 and an air inlet pipe 13 are arranged on the top cover 11; the filter sieve 2 is conical and is arranged in the filter barrel 1; the stirrer consists of a stirring shaft 31 penetrating through the top cover 11, a motor 32 in transmission connection with the top end of the stirring shaft 31 and a plurality of stirring paddles 33 distributed at the bottom end of the stirring shaft 31 along the circumferential direction, the bottom end of the stirring shaft 31 corresponds to the top point of the filter sieve 2, and each stirring paddle 33 is attached to the surface of the filter sieve 2; the discharging pipe 15 is arranged on the side surface of the filtering barrel 1 and is positioned below the filtering sieve 2 (the bottom in the filtering barrel 1 in the embodiment is inclined, and the discharging pipe 15 is arranged at the lowest position of the inclined surface). Adopt toper filter sieve, cooperation is with the stirring rake, and one has realized the automatic stirring in the filtering process, and two large granule thing or solid impurity in the filtering process can be under self gravity and centrifugal action, along the domatic filter sieve marginal movement of filter sieve and at the filter sieve marginal accumulation of filter sieve in the stirring process, and can not block up the sieve mesh by a large scale, have promoted filtration efficiency. During operation, an intermittent operation mode is adopted (realized by means of control valves arranged on the feeding pipe 12 and the air inlet pipe 13): when feeding, closing air inlet and stirring; during the filtration operation, open the mixer and let in gas (air or inert gas), carry out the pressure filtration, further promote filtration efficiency. The coating filtered by the filter screen flows out through the discharge pipe and is collected. The device of the utility model is suitable for the filtration of coating, especially high viscosity coating.

In this embodiment, the filter screen 2 is fixed in the filter vat 1 by a screw thread and is supported on a retaining ring 14 fixed on the inner side wall of the filter vat 1. Firm in fixation and convenient in replacement. The apex angle of the conical filter screen 2 is 135-150 degrees, and 150 degrees is selected in the embodiment. Through adopting the toper filter sieve, not only avoided large granule thing or solid impurity to block up the sieve mesh, effectively increased filter area moreover, increased substantially filtration efficiency. The length of the stirring paddle 33 is 4/5-7/8 of the generatrix length of the conical filter screen 2, and the value is 7/8 in the embodiment. Through this design for there is a small segment distance at the edge of stirring rake apart from the edge of filter sieve, has avoided the stirring rake to drive the filtration efficiency reduction that the motion of the large granule thing or the solid impurity that accumulates at the filter sieve edge at the stirring in-process. The quantity of stirring rake 33 in this embodiment is 2, along circumference evenly distributed in (mixing) shaft 31 bottom. During the stirring, adopt the low-speed stirring to the width of further preferred stirring rake reduces along stirring rake length direction gradually, further reduces the stirring and will promote filtration efficiency to the disturbance of the large granule thing of accumulation at the filter screen edge or solid impurity.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims (7)

1. A filter device for paint, comprising:

the filter barrel (1) is cylindrical and is provided with a detachable top cover (11), a feeding pipe (12) and an air inlet pipe (13) are arranged on the top cover (11),

a filter sieve (2) which is conical and is arranged in the filter barrel (1),

the stirrer consists of a stirring shaft (31) which is arranged on the top cover (11) in a penetrating way, a motor (32) which is in transmission connection with the top end of the stirring shaft (31) and a plurality of stirring paddles (33) which are distributed at the bottom end of the stirring shaft (31) along the circumferential direction, the bottom end of the stirring shaft (31) corresponds to the top point of the filter sieve (2), each stirring paddle (33) is jointed with the surface of the filter sieve (2),

and the discharge pipe (15) is arranged on the side surface of the filter barrel (1) and is positioned below the filter sieve (2).

2. A filter device for paints, according to claim 1, wherein the filter sieve (2) is screwed into the filter vat (1) and bears on a collar (14) fixed to the inner side wall of the filter vat (1).

3. A filter device for paint as claimed in claim 1 or 2, characterized in that the conical filter screen (2) has an apex angle of 135-150 °.

4. A filter unit for paints according to claim 1 or 2, wherein the length of the stirring paddle (33) is 4/5-7/8 of the generatrix length of the conical filter screen (2).

5. The filtering device for the coating according to claim 1, wherein the number of the stirring paddles (33) is 2, and the stirring paddles are uniformly distributed at the bottom end of the stirring shaft (31) along the circumferential direction.

6. A filter device for paints, according to claim 1, characterised in that the feed pipe (12) and the inlet pipe (13) are provided with control valves.

7. A filter device for paints according to claim 1, wherein the bottom of the filter vat (1) is beveled and the discharge pipe (15) is arranged at the lowest part of the bevel.