CN210700797U - A spraying device suitable for water-based paint with oily metal substrate - Google Patents

Abstract

The utility model relates to the technical field of spraying devices, and provides a spraying device suitable for water-based paint with greasy dirt metal substrate, which solves the problems that the prior art is difficult to control the thickness of a coating layer when a handheld spray gun is used for spraying, the labor intensity of an operator is high, and the health of the operator is easily damaged, and comprises a base, a liquid storage tank is arranged on the base, a driving motor is arranged in the middle of the upper end of the liquid storage tank, the output end of the driving motor is connected with a stirring shaft, a plurality of stirring blade groups are connected on the stirring shaft, a heating sleeve is arranged outside the liquid storage tank, a discharging pipe is arranged at the bottom of the side wall of the liquid storage tank, one end of the discharging pipe, which is far away from the liquid storage tank, is connected with a water pump, the water pump is connected with a, and a conveying belt and a conveying roller are arranged under the spraying platform.

Description

A spraying device suitable for water-based paint with oily metal substrate

technical field

The utility model relates to the technical field of spraying devices, in particular to a spraying device suitable for water-based paints with oily metal substrates.

Background technique

Coating refers to a type of liquid or solid material that is coated on the surface of an object and can form a continuous film that is firmly attached to the object to be coated, so as to play a protective, decorative or other special function. Among them, the coatings with water as the main solvent or dispersion medium are called water-based coatings, and the coatings obtained with organic solvents as the dispersion medium are solvent-based coatings. Compared with solvent-based coatings, water-based coatings are more environmentally friendly, and volatile organic compounds (VOCs). ) lower. At present, many domestic construction machinery parts, steel structures, etc., due to insufficient pretreatment, more or less oil residues such as lubricating oil, oil, etc. will remain on the substrate. The water-based paint for mechanical parts and steel structure can be effectively coated on the surface of the substrate with oil pollution, and has good corrosion resistance and weather resistance. In order to make the water-based paint evenly coat the surface of the substrate to form a strong and durable coating, in addition to the important factor of the performance of the paint itself, the spraying device is also an important factor.

Patent No.: 201611018909.5 discloses a water-based paint spraying device, including a casing, a partition plate is fixedly installed in the left inner cavity of the casing, and a controller and a water pump are fixedly installed on the upper side of the partition plate, and the water pump is located in the The lower side of the controller, the right side of the water pump is fixedly connected with the suction head through the water pipe, the air compression device is fixedly installed at the bottom of the left inner cavity of the casing, and the upper part of the control compression device is fixedly installed with a drive motor, so A control button and a display are fixed on the upper left side of the casing, a stirring motor and a feeding port are fixedly installed on the upper right side of the casing, a shaft is fixedly connected to the lower side of the stirring motor, and the upper outer side of the shaft is fixedly installed There is a stirring rod, and an edge scraper is fixedly installed on the outer side of the lower part of the shaft. The water-based paint spraying device ensures the paint concentration during spraying, solves the problem of clogging of the spray gun caused by uneven concentration, reduces the cost of spraying, and improves the efficiency and effect of spraying. However, the spraying device adopts manual spraying. The operator sprays the pretreated substrate surface with a spray gun, and the thickness of the coating is difficult to accurately control; the operator is labor-intensive and the spraying process is easy to inhale harmful substances, which endangers health.

Utility model content

Therefore, in view of the above content, the present utility model provides a spraying device suitable for water-based paints with oily metal substrates, which solves the problem that the prior art hand-held spray gun sprays, the coating thickness is difficult to control, the operator is labor-intensive and easily endangers the spraying device. health issues.

To achieve the above object, the present invention is achieved through the following technical solutions:

A spraying device suitable for water-based paint with oily metal substrate, comprising a base, a liquid storage tank is arranged on the base, a driving motor is arranged in the middle of the upper end of the liquid storage tank, and the output end of the driving motor is connected to There is a stirring shaft, a plurality of stirring blade groups are connected to the stirring shaft, and the stirring blade groups are fixedly connected with the stirring shaft through the sleeve, the outside of the liquid storage tank is provided with a heating jacket, and the top of the liquid storage tank is A feeding port is provided, and the feeding port is arranged on the left side of the driving motor. The bottom of the side wall of the liquid storage tank is provided with a discharge pipe, and the end of the discharge pipe away from the liquid storage tank is connected with a water pump. The water pump is connected with a spraying mechanism, the spraying mechanism includes a spraying table and a nozzle arranged at the bottom end of the spraying table, two sides of the spraying table are connected with brackets, the brackets are fixedly connected with the base, and the spraying table is installed directly below There are conveyor belts and conveyor rollers, two sides of the conveyor belt are provided with racks, and the racks are fixedly connected with the base.

Further improvement: a flow regulating valve is arranged between the water pump and the spraying mechanism to control the flow of the paint.

Further improvement: the stirring blade group includes two blades, and each of the blades is symmetrically arranged on both sides of the stirring shaft.

Further improvement: there are at least three nozzles, which are evenly distributed at the bottom of the spray booth.

Further improvement: the bracket is a hollow structure, there are lifting rods on both sides of the bottom of the spraying table, the lifting rod slides up and down in the bracket, the lifting rod is provided with a through hole, and the lifting rod is inserted through a bolt. Through hole fixed height.

By adopting the aforementioned technical solutions, the beneficial effects of the present utility model are:

1. The utility model sprays the pretreated surface through the nozzle, and the spraying thickness is uniform, which ensures the quality and stability of the sprayed product, improves the work efficiency, and avoids the health hazard to the operator during the spraying process.

2. Through the cooperation of the driving motor, stirring shaft and stirring blade group, the paint is stirred to solve the problems of layering and uneven concentration of the paint that may occur. The paint is heated to prevent the paint from solidifying due to the low ambient temperature. The spraying process is easy to block the nozzle or damage the water pump, which affects the effect of spraying. The continuous heating of the paint ensures good fluidity of the paint and improves the efficiency of spraying.

3. There are lifting rods on both sides of the bottom of the spraying table, the lifting rods slide up and down in the bracket, and the height is fixed by inserting bolts into the through holes on the lifting rod, so as to realize the adjustment of the height of the nozzle at the bottom of the spraying table and meet different spraying requirements. Thickness requirements and height adjustment of the nozzle position according to the size of the pretreated substrate.

4. The flow control valve can be used to control the flow of paint to ensure the amount of paint sprayed by the nozzle on the surface of the substrate per unit time.

5. A conveyor belt is installed under the spraying table, the substrate to be sprayed is placed on the conveyor belt, and the spraying operation is completed directly under the nozzle through the conveying of the conveyor belt, which realizes the automation of spraying and saves labor and costs. At the same time, the speed of the transmission belt can also be adjusted according to actual needs, and the speed of the substrate to be sprayed can be controlled to obtain coatings of different thicknesses.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed ways

The present utility model will now be further described with reference to the accompanying drawings and specific embodiments.

The embodiments of the present utility model are:

Referring to Fig. 1, a spraying device suitable for water-based paint with oily metal substrates includes a base 1, a liquid storage tank 2 is provided on the base 1, and a drive motor 3 is provided in the middle of the upper end of the liquid storage tank 2 , the output end of the drive motor 3 is connected with a stirring shaft 4, the stirring shaft 4 is rotatably connected with the liquid storage tank 2 through a bearing, and four stirring blade groups 5 are connected on the stirring shaft 4. The stirring blade group 5 is fixedly connected with the stirring shaft 4 through the sleeve 6, and each stirring blade group 5 includes two blades, each of which is symmetrically arranged on both sides of the stirring shaft 4, and the outside of the liquid storage tank 2 is provided with a heating jacket 7 , the top of the liquid storage tank 2 is provided with a feed port 8, the feed port 8 is arranged on the left side of the drive motor 3, the bottom of the side wall of the liquid storage tank 2 is provided with a discharge pipe 9, the One end of the discharge pipe 9 away from the liquid storage tank 2 is connected with a water pump 10, and one end of the water pump 10 is connected with a flow regulating valve 11 for controlling the flow of the paint, the flow regulating valve is connected with the spraying mechanism, and the spraying mechanism Including a spraying table 12 and a nozzle 13 arranged at the bottom of the spraying table, the number of the nozzles 13 is three and evenly distributed at the bottom of the spraying table 12 at equal intervals. The bracket 14 is fixedly connected with the base 1 , and lifting rods 15 are provided on both sides of the bottom of the spraying table 12 . The lifting rod 15 slides up and down in the bracket 14 . The rod 15 is inserted into the through hole 16 through the bolt 17 to fix the height. A conveyor belt 18 and a conveyor roller (not shown in the figure) are installed directly below the spraying table 12 , and frames 19 are provided on both sides of the conveyor belt 18 , and the frame 19 is fixedly connected to the base 1 .

During the spraying process, the paint is stirred through the cooperation of the driving motor, the stirring shaft and the stirring blade set to ensure the uniform concentration of the paint. The fluidity is good, and the spraying process will not block the nozzle or damage the water pump, which will affect the effect of spraying. The paint in the liquid storage tank is sent to the spraying mechanism by the water pump from the discharge pipe, and finally sprayed from the nozzle. A conveyor belt is installed below the spraying table, the substrate to be sprayed is placed on the conveyor belt, and the spraying operation is completed directly under the nozzle through the conveying of the conveyor belt, which realizes the automation of spraying and saves labor and costs. At the same time, the speed of the transmission belt can also be adjusted according to actual needs, and the speed of the substrate to be sprayed can be controlled to obtain coatings of different thicknesses. The flow control valve set between the water pump and the spraying mechanism can be used to control the flow of the paint to ensure the amount of paint sprayed by the nozzle on the surface of the substrate per unit time. The height of the spraying table can be adjusted freely, so as to meet the requirements of different spraying thicknesses and the need to adjust the spraying position according to the size and height of the pretreated substrate.

Although the present invention has been specifically shown and described in connection with preferred embodiments, it will be understood by those skilled in the art that changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined by the appended claims. Various changes made by the utility model are all within the protection scope of the present utility model.

Claims (5)

1. The utility model provides a spraying device suitable for take water based paint of greasy dirt metal substrate, includes the base, its characterized in that: a liquid storage tank is arranged on the base, a driving motor is arranged in the middle of the upper end of the liquid storage tank, the output end of the driving motor is connected with a stirring shaft, the stirring shaft is connected with a plurality of stirring blade groups which are fixedly connected with the stirring shaft through sleeves, a heating sleeve is arranged outside the liquid storage tank, a feed port is arranged at the top of the liquid storage tank and is arranged at the left side of the driving motor, a discharge pipe is arranged at the bottom of the side wall of the liquid storage tank, one end of the discharge pipe, which is far away from the liquid storage tank, is connected with a water pump, the water pump is connected with a spraying mechanism, the spraying mechanism comprises a spraying platform and a nozzle arranged at the bottom end of the spraying platform, the both sides of spraying platform are connected with the support, support and base fixed connection, install conveyer belt and transfer roller under the spraying platform, the both sides of conveyer belt are equipped with the frame, frame and base fixed connection.

2. A spray assembly for a water-based paint for oily metal substrates as claimed in claim 1 wherein: and a flow regulating valve is arranged between the water pump and the spraying mechanism and used for controlling the flow of the coating.

3. A spray assembly for a water-based paint for oily metal substrates as claimed in claim 1 wherein: the stirring blade group comprises two blades, and the blades are symmetrically arranged on two sides of the stirring shaft.

4. A spray assembly for a water-based paint for oily metal substrates as claimed in claim 1 wherein: the number of the nozzles is at least three, and the nozzles are uniformly distributed at the bottom of the spraying platform at equal intervals.

5. A spray assembly for a water-based paint for oily metal substrates as claimed in claim 1 wherein: the support is of a hollow structure, lifting rods are arranged on two sides of the bottom of the spraying table and slide up and down in the support, through holes are formed in the lifting rods, and the lifting rods stretch into the through holes through bolts to be fixed in height.

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