CN214812033U - Paint spraying device - Google Patents

Abstract

The utility model relates to the technical field of coating spraying equipment, in particular to a coating spraying device, which comprises a suction pump, a motor, a liquid storage tank, a spray head and a control switch; the motor is arranged on one side of the suction pump and is electrically connected with the suction pump; the suction pump comprises a liquid inlet end and a liquid outlet end; the liquid storage tank is communicated with the liquid inlet end, the spray head is communicated with the liquid outlet end, and the suction pump is used for pumping the coating in the liquid storage tank into the spray head; the control switch is electrically connected with the motor; the liquid storage tank comprises a tank body, a filter plate and a flow guide assembly; the tank body is hollow, the lower end of the tank body is an open shell, a suction opening used for an external conduit is formed in the upper surface of the tank body, the filter plate is arranged in an inner cavity defined by the side wall of the tank body, and the flow guide assembly is coaxially arranged on one side face of the filter plate facing the lower end opening of the tank body. The utility model discloses can effectively filter the interior coating of liquid storage pot, further improve coating spraying device's spraying homogeneity and spraying efficiency.

Description

Paint spraying device

Technical Field

The utility model relates to a coating spraying equipment technical field, in particular to coating spraying device.

Background

In the prior art, compared with the traditional coating smearing and spraying method, the coating gun has the characteristics of good coating spraying uniformity, strong portability, high spraying efficiency and the like, and is widely applied to industrial production and household use. In order to balance the portability and the spraying amount of a spraying gun, in the prior art, a conduit for externally connecting a coating is mainly arranged on a liquid storage tank of the spraying gun, and when the spraying amount is required to be small, the coating is directly injected into the liquid storage tank for spraying; when the spraying amount demand is large, the liquid storage tank is required to be connected with the coating tank externally through the guide pipe, namely, the motor of the spraying gun drives the suction pump to continuously and sequentially spray the coating to the surface of a sprayed part in the modes of the coating tank, the guide pipe, the liquid storage tank and the spray head, so that the spraying amount of the spraying gun is increased. However, since the above method is to directly suck the paint from the paint tank into the coating gun, if the paint is stored for a long time or the storage condition is not good, the paint is solidified and agglomerated, and when the paint is sucked into the liquid storage tank and the suction pump, the paint is easily clogged, and the problems of uneven coating and poor coating effect of the coating gun occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: provides a paint spraying device with a liquid storage tank with a filtering function.

In order to solve the technical problem, the utility model discloses a technical scheme be: the coating spraying device comprises a suction pump, a motor, a liquid storage tank, a spray head and a control switch;

the motor is arranged on one side of the suction pump and is electrically connected with the suction pump;

the suction pump comprises a liquid inlet end and a liquid outlet end;

the liquid storage tank is communicated with the liquid inlet end, the spray head is communicated with the liquid outlet end, and the suction pump is used for pumping the coating in the liquid storage tank into the spray head;

the control switch is electrically connected with the motor;

the liquid storage tank comprises a tank body, a filter plate and a flow guide assembly;

the tank body is a hollow shell with an open lower end, a suction opening for an external conduit is formed in the upper surface of the tank body, the filter plate is arranged in an inner cavity defined by the side wall of the tank body, and the flow guide assembly is coaxially arranged on one side surface of the filter plate facing the lower end opening of the tank body.

The filter plate is of a truncated cone-shaped plate-shaped structure with a bulge in the center of one end face, and the bulge of the filter plate deviates from the opening at the lower end of the tank body.

Wherein, the filter plate with jar body threaded connection.

The flow guide assembly comprises a rotating shaft, a connecting rod and blades;

the rotating shaft is arranged in the center of the filter plate;

the axis of the connecting rod is perpendicular to the filter plate and is rotationally connected with the rotating shaft;

the blades are arranged on the axis direction of the connecting rod and rotate synchronously with the connecting rod.

Wherein the vane has a radius of rotation gradually increasing toward the lower end opening of the tank body.

The beneficial effects of the utility model reside in that: through at this internal filter and the water conservancy diversion subassembly of setting up of jar to realize that water conservancy diversion subassembly and suction pump are mutually supported, order about this internal coating of jar and flow and pass the filter in the axial, realize filtering the interior coating of liquid storage pot, effectively prevent because coating solidifies the caking and leads to blockking up shower nozzle and suction pump in-connection pipe and reduce the spraying homogeneity and the spraying efficiency of spraying rifle.

Drawings

FIG. 1 illustrates a side cross-sectional view of a fluid reservoir in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a paint spraying apparatus according to an embodiment of the present invention.

Description of reference numerals: 1. a liquid storage tank; 11. a can body; 12. a filter plate; 13. a flow guide assembly; 131. a rotating shaft; 132. a connecting rod; 133. a blade; 14. a suction port; 2. a motor; 3. a suction pump; 4. a control switch; 5. and (4) a spray head.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The utility model discloses the most crucial design lies in: the paint in the liquid storage tank is filtered by arranging the flow guide assembly and the filter plate in the tank body.

Referring to fig. 1 and 2, the utility model relates to a paint spraying device, which comprises a suction pump 3, a motor 2, a liquid storage tank 1, a spray head 5 and a control switch 4; the motor 2 is arranged at one side of the suction pump 3 and is electrically connected with the suction pump 3; the suction pump 3 comprises a liquid inlet end and a liquid outlet end; the liquid storage tank 1 is communicated with the liquid inlet end, the spray head 5 is communicated with the liquid outlet end, and the suction pump 3 is used for pumping the coating in the liquid storage tank 1 into the spray head 5; the control switch 4 is electrically connected with the motor 2; the liquid storage tank 1 comprises a tank body 11, a filter plate 12 and a flow guide assembly 13; the tank body 11 is a hollow shell with an open lower end, a suction opening 14 for an external conduit is arranged on the upper surface of the tank body 11, the filter plate 12 is arranged in an inner cavity defined by the side wall of the tank body 11, and the flow guide assembly 13 is coaxially arranged on one side surface of the filter plate 12 facing the lower end opening of the tank body 11.

Specifically, the utility model discloses a theory of operation does: the control switch 4 controls the on and off of the motor 2, firstly, the suction port 14 is connected with one end of the conduit, the other end of the conduit is connected with an external paint tank, then the motor 2 is switched on, the suction pump 3 is driven by the motor 2 to operate, the suction pump 3 pumps the paint in the liquid storage tank 1 into the suction pump 3 through the liquid inlet end of the suction pump, and pumps the paint into the spray head 5 through the liquid outlet end, and the paint is sprayed on the surface of a sprayed part through the spray head 5. More specifically, when the suction pump 3 sucks the paint in the liquid storage tank 1 into the liquid inlet end thereof, the paint in the external paint tank is continuously sucked into the liquid storage tank 1 through the guide pipe, and the flow guide assembly 13 is rotated under the flowing action of the suction pump and the paint to further drive the paint to pass through the filter plate 12, so as to realize the filtration of the paint.

From the above description, the beneficial effects of the present invention are: through set up filter 12 and water conservancy diversion subassembly 13 in jar body 11 to realize that water conservancy diversion subassembly 13 and suction pump 3 mutually support, order about the interior coating of jar body 11 at axial flow and pass filter 12, realize filtering the interior coating of liquid storage pot 1, effectively prevent because coating solidifies the caking to lead to blockking up shower nozzle 5 and suction pump 3 in-connection pipe and reduce the spraying homogeneity and the spraying efficiency of spraying rifle.

Furthermore, the filter plate 12 is a truncated cone-shaped plate-shaped structure with a protrusion in the center of one end face, and the protrusion of the filter plate 12 deviates from the opening at the lower end of the tank body 11.

As can be seen from the above description, by providing the filter plate 12 with a truncated cone-shaped structure, the contact area of the paint with the filter plate 12 is increased, and the filtering efficiency is improved.

Further, the filter plate 12 is screwed with the can body 11.

As can be seen from the above description, the filter plate 12 and the tank body 11 are screwed to facilitate the selection of the size of the filter holes in the filter plate 12 according to the properties of the paint during the actual use, thereby facilitating the replacement of the filter plate 12.

Preferably, the upper end of the tank body 11 is an opening, and a cover plate is arranged at the opening and is in threaded connection with the tank body 11, so that the filter plate 12 can be conveniently mounted and dismounted.

Further, the flow guide assembly 13 includes a rotating shaft 131, a connecting rod 132 and a blade 133; the rotation shaft 131 is disposed at the center of the filter plate 12; the axis of the connecting rod 132 is perpendicular to the filter plate 12 and is rotationally connected with the rotating shaft 131; the blade 133 is disposed in the axial direction of the link 132 and rotates in synchronization with the link 132.

As can be seen from the above description, the connecting rod 132 is fixed to the filter 12 by the rotating shaft 131, and when the suction pump 3 is operated, the blades 133 and the connecting rod 132 are rotated by the flow of the gas and the paint in the liquid storage tank 1, so as to further improve the flow efficiency of the paint and the air.

Optionally, the flow guiding assembly 13 further includes a motor, which is disposed at the upper end of the filter plate 12 and is in transmission connection with the connecting rod 132 to drive the connecting rod 132 and the vane 133 to rotate when the viscosity of the paint is too high, so as to prevent the vane 133 and the connecting rod 132 from being inhibited from rotating circumferentially due to the too high viscosity of the paint and further promote the paint to flow axially.

Further, the vane 133 has a radius of rotation gradually increasing toward the lower end opening of the tank body 11.

As is apparent from the above description, by gradually increasing the radius of rotation of the vane 133 in the axial direction thereof and toward the lower end opening of the tank body 11, the paint is promoted to rapidly flow through the lower end opening of the tank body 11, and the flow rate of the paint is prevented from being reduced due to an excessive flow rate at the opening.

Referring to fig. 1 and 2, the first embodiment of the present invention is:

the coating spraying device comprises a suction pump 3, a motor 2, a liquid storage tank 1, a spray head 5 and a control switch 4; the motor 2 is arranged at one side of the suction pump 3 and is electrically connected with the suction pump 3; the suction pump 3 comprises a liquid inlet end and a liquid outlet end; the liquid storage tank 1 is communicated with the liquid inlet end, the spray head 5 is communicated with the liquid outlet end, and the suction pump 3 is used for pumping the coating in the liquid storage tank 1 into the spray head 5; the control switch 4 is electrically connected with the motor 2; the liquid storage tank 1 comprises a tank body 11, a filter plate 12 and a flow guide assembly 13; the tank body 11 is a hollow shell with openings at the upper and lower ends in the axial direction, wherein a cover body is arranged at the opening at the upper end, the cover body is in threaded connection with the tank body 11, a suction opening 14 for externally connecting a conduit is formed in the upper surface of the tank body 11, the filter plate 12 is arranged in an inner cavity defined by the side wall of the tank body 11, and the flow guide assembly 13 is coaxially arranged on one side surface of the filter plate 12 facing the opening at the lower end of the tank body 11;

the filter plate 12 is of a truncated cone-shaped plate-shaped structure with a bulge in the center of one end face, and the bulge of the filter plate 12 is arranged away from the opening at the lower end of the tank body 11; the filter plate 12 is in threaded connection with the tank body 11;

the flow guide assembly 13 comprises a rotating shaft 131, a connecting rod 132 and a blade 133; the rotation shaft 131 is disposed at the center of the filter plate 12; the axis of the connecting rod 132 is perpendicular to the filter plate 12 and is rotationally connected with the rotating shaft 131; the blade 133 is disposed in the axial direction of the connecting rod 132 and rotates synchronously with the connecting rod 132; the vane 133 has a radius of rotation gradually increasing toward the lower end opening of the tank body 11.

In conclusion, the filter plate 12 and the flow guide assembly 13 are arranged in the tank body 11, so that the flow guide assembly 13 is matched with the suction pump 3, the coating in the tank body 11 is driven to flow in the axial direction and pass through the filter plate 12, the coating in the liquid storage tank 1 is filtered, and the phenomenon that the coating is solidified and agglomerated to block the connecting pipe in the spray head 5 and the suction pump 3 so as to reduce the spraying uniformity and the spraying efficiency of the spraying gun is effectively prevented; and, through setting up filter 12 into with 11 threaded connection of jar body to the convenience is at the actual operation in-process, changes filter 12 according to the nature of coating, improves the filtration efficiency to coating.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (5)

1. The coating spraying device is characterized by comprising a suction pump, a motor, a liquid storage tank, a spray head and a control switch;

the motor is arranged on one side of the suction pump and is electrically connected with the suction pump;

the suction pump comprises a liquid inlet end and a liquid outlet end;

the liquid storage tank is communicated with the liquid inlet end, the spray head is communicated with the liquid outlet end, and the suction pump is used for pumping the coating in the liquid storage tank into the spray head;

the control switch is electrically connected with the motor;

the liquid storage tank comprises a tank body, a filter plate and a flow guide assembly;

the tank body is a hollow shell with an open lower end, a suction opening for an external conduit is formed in the upper surface of the tank body, the filter plate is arranged in an inner cavity defined by the side wall of the tank body, and the flow guide assembly is coaxially arranged on one side surface of the filter plate facing the lower end opening of the tank body.

2. The paint sprayer apparatus of claim 1, wherein the filter plate has a truncated cone-shaped plate-like configuration with a projection in the center of one end face, the projection of the filter plate being disposed away from the lower end opening of the tank body.

3. The paint spraying apparatus of claim 1 or 2 wherein the filter plate is threadably connected to the canister body.

4. The paint spraying apparatus of claim 1 wherein said flow directing assembly includes a rotating shaft, a connecting rod and a vane;

the rotating shaft is arranged in the center of the filter plate;

the axis of the connecting rod is perpendicular to the filter plate and is rotationally connected with the rotating shaft;

the blades are arranged on the axis direction of the connecting rod and rotate synchronously with the connecting rod.

5. The paint spray apparatus of claim 4 wherein said vane has a radius of rotation which increases toward the lower end opening of said can body.

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