CN217646655U - Automatic casting coating spraying machine - Google Patents

Abstract

The utility model discloses an automatic casting coating spraying machine, including flush coater frame main part, spraying jar, coating bucket, spraying groove, collecting hopper, electrical control panel, air pump and discharge valve, the coating bucket set up in on the inside bottom plate of flush coater frame main part, the spraying jar set up in inside the coating bucket, spraying jar feed inlet with the coating bucket inner space links to each other, the air pump reaches the discharge valve is fixed to be set up in spraying jar top, electrical control panel is fixed to be set up in flush coater frame main part one side, the spraying groove is fixed to be set up in flush coater frame main part top, the collecting hopper is fixed to be set up in below the spraying groove, the collecting hopper below opening uses the pipeline to communicate to inside the coating bucket; the electric control panel is respectively connected with the air pump and the exhaust valve.

Description

Automatic casting coating spraying machine

Technical Field

The utility model relates to a spraying equipment especially relates to the automatic spraying equipment of casting psammitolite coating, specifically is a casting coating automatic spraying machine.

Background

In the casting production process, in order to improve the heat resistance of the sand core and improve the surface precision of the casting, a layer of coating needs to be coated on the surface of the sand core, common coating application modes comprise brushing, dip coating, flow coating, spraying and the like, and dip coating is the most common coating mode and is suitable for the outer surface of the inner core and good in quality. The spraying is proved to be an efficient and simple coating mode, the spraying can carry out large-area or local fixed-point coating operation on the sand core, the situation that the position without the coating is coated with the coating is avoided, the waste of the coating is reduced, the production efficiency is improved, and the spraying process also has the characteristics of uniform coating, difficult accumulation of the coating and the like.

The existing automatic spraying machine is mainly a technological process of spraying by driving a diaphragm pump, and equipment for pumping coating by the diaphragm pump has the following limitations and disadvantages: because the casting coating contains hard suspended particles which are mostly made of refractory aggregate, the suspended particles are easy to precipitate and wear moving parts of a pump body, particularly a diaphragm membrane and a blade, and the production and operation cost is high; in addition, the diaphragm pump is a special form of a volumetric pump, and the diaphragm pump sucks and discharges liquid by changing the volume of a working chamber through reciprocating movement of a diaphragm to drive the diaphragm chamber to extrude the coating to enter and exit, so that the coating flow of the diaphragm pump is determined to be pulsating, and during flow coating, the coating gushing is always high and low, so that the coating is splashed, and the stable flow coating effect cannot be achieved.

Through retrieval, china with the publication number of CN21357772U specially facilitates 220 years, 4 months and 21 days to disclose an automatic spraying system of an alcohol-based coating robot, which comprises a robot, a robot control cabinet and an automatic spraying system, wherein the robot is arranged on one side of a casting production line, the robot spraying system further comprises a safety guardrail arranged on the periphery of the robot, and the robot spraying system further comprises an automatic ignition device which is arranged in the safety guardrail and arranged on one side of the casting production line side by side with the robot; this patent spraying continuity is good, and the alcohol group coating keeps circulating under the condition of not spraying, guarantees the homogeneity of coating, does not deposit the caking, has avoided the possibility of blockking up pipeline and automatic spray gun. The patent aims to solve the problems of uniform coating and no precipitation and agglomeration, and does not consider the problems of coating recovery, uniform coating of the coating and disassembly and assembly of a spraying jig.

China with publication number CN25731718U specially adapted for 11/30/216 years discloses an automatic casting paint spraying machine, which comprises a turnover frame, a conveying roller path, a supporting roller, a spray head, a paint storage and conveying device and a PLC control system; the overturning frame comprises two overturning rollers which are arranged in parallel, the two overturning rollers are connected by two supporting plates respectively, and the bottom of each overturning roller is provided with two supporting rollers respectively; the conveying roller paths are two, each conveying roller path comprises two rows of conveying rollers, and the two rows of conveying rollers are arranged on the inner side surface of one supporting plate; the spray head can be movably arranged between the two overturning rollers along the axial direction of the overturning rollers; the coating storage and conveying device is connected with the spray head through a pipeline; the PLC control system respectively controls the turnover frame, the conveying roller path, the supporting roller, the spray head and the coating storage and conveying device. The spraying machine disclosed by the patent has the advantages of good consistency of the surface of a sprayed casting mold, no flow mark and no accumulation condition, does not need to manually carry out secondary cleaning, and realizes high-speed automatic spraying of the casting mold. The problem of disassembly and assembly of the coating recovery and spraying jig is also not considered in the patent.

Therefore, the prior art is mainly focused on solving the problem of uniformity of the coating or the problem of uniform spraying of the coating, and does not solve the problems of recycling of the coating and dismounting of the spraying jig.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an automatic casting coating spraying machine, which solves at least one technical problem.

The utility model discloses a realize through following technical scheme:

an automatic casting coating spraying machine comprises a spraying machine frame main body, a spraying tank, a coating bucket, a spraying groove, a collecting hopper, an electric control panel, an air pump and an exhaust valve, wherein the coating bucket is arranged on a bottom plate inside the spraying machine frame main body; the electric control panel is respectively connected with the air pump and the exhaust valve.

Among the above-mentioned technical scheme, before starting the spraying operation, open discharge valve, with spraying jar and atmosphere intercommunication, under the effect of atmospheric pressure, through spraying jar below feed inlet, inside coating is full of the spraying jar in several seconds automatically, the feed inlet valve switch is closed under the action of gravity. When the spraying device works, the switch of the electric control panel is started at first, compressed air is turned on, the air pump is communicated with the compressed air, paint in a pump body of the spraying tank enters a pipeline under the action of the compressed air and is conveyed to the spraying jig through the pipeline, the spraying jig sets a plurality of paint nozzles with different heights to be sprayed on the sand core to be sprayed according to the shape and the position of the sand core to be sprayed, and therefore the spraying process is completed once. After being sprayed, the coating flows out and flows back to the coating bucket through the collecting hopper. The automatic spraying machine provided by the technical scheme is matched with a spraying jig to realize fixed-point spraying of the shell sand core for casting, and can be matched with a mechanical arm or a transfer machine to realize high-speed automatic spraying of the shell sand core.

As a further technical scheme, flush coater frame main part includes handrail, baffle and truckle, wherein, the handrail sets up a flush coater frame main part side upper portion, the baffle includes preceding side shield, rear side shield, top apron and bottom plate, the truckle adopts the universal wheel. Through the cooperation of handrail and truckle, can conveniently remove casting coating automatic spraying machine, through the baffle can play fixed or the effect of supporting to each part in the automatic spraying machine.

As a further technical scheme, a plurality of air pipes are arranged in the coating bucket, the air pipes are fixed inside the coating bucket by using checkpoints respectively, and the air pipes are communicated with compressed air. Before starting the spraying operation, open discharge valve, with spraying jar and atmosphere intercommunication, under the effect of atmospheric pressure, the coating in the coating bucket passes through the trachea and flows to get into the spraying jar through spraying jar below feed inlet, and the coating can be full of automatically in a few seconds inside the spraying jar.

As a further technical scheme, the coating bucket is provided with 4 air pipes which are symmetrically arranged inside the coating bucket respectively. Such an arrangement may result in more even and efficient paint flow.

As a further technical scheme, each air pipe is arranged in the coating bucket in an L shape. The long limit of the trachea that the L type was arranged is parallel with scribble the storage bucket lateral wall, and the minor face is laid in the bottom of scribbling the material pipe, sets up the outflow speed that can improve coating like this, the outflow of the storage bucket bottom coating of being more convenient for.

As a further technical scheme, a feed inlet is arranged below the spraying tank, a feed inlet valve is arranged at the feed inlet, the feed inlet is communicated with a coating pipeline, the coating pipeline is communicated with the interior of the coating barrel, and the feed inlet valve is connected with an electrical control panel.

As a further technical scheme, an air pipe connector is arranged on the spraying tank and communicated with compressed air.

As a further technical scheme, a spraying jig is arranged on the spraying groove, and a plurality of coating nozzles with different heights are arranged on the spraying jig. The spraying jig is provided with a plurality of coating nozzles with different heights to be sprayed on the sand core to be sprayed according to the shape and the position of the sand core to be sprayed, so that the application range of the spraying jig is widened.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) The utility model communicates the spraying tank with the atmosphere by opening the exhaust valve, and the coating is automatically filled in the spraying tank within seconds through the feed inlet below the spraying tank under the action of the atmospheric pressure, and the valve switch of the feed inlet is closed under the action of gravity; when the spraying device works, the switch of the electric control panel is started, compressed air is turned on, the air pump is communicated with the compressed air, paint in a pump body of the spraying tank enters a pipeline under the action of the compressed air and is conveyed to the spraying jig through the pipeline, the spraying jig is provided with a plurality of paint nozzles with different heights according to the shape and the position of a to-be-sprayed sand core to be sprayed, the spraying process is completed, and the paint flows out after being sprayed and flows back to the paint bucket through the collecting hopper.

(2) The utility model discloses cooperation spraying tool realizes casting with shell psammitolite fixed point spraying, and the high-speed automatic spraying of shell psammitolite can be realized to cooperation manipulator or move the machine of carrying.

(3) Compared with dip coating, the automatic spraying machine of the utility model can perform coating operation on the sand core at fixed points, reduce the coating consumption, save the production cost, and has the advantages of uniform coating, adjustable coating position and the like; compared with a coating machine driven by a diaphragm pump, the coating machine has the characteristics of reasonable structure, simplicity in operation, high safety, low operation cost, easiness in maintenance and the like, and due to the fact that the pulsation effect of the diaphragm pump is eliminated, the penetration pressure of the flow coating spewing height can be adjusted, and the coating quality and efficiency are greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of an automatic casting paint spraying machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of a frame body of an applicator according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a spray can according to an embodiment of the present invention.

Fig. 4 is a schematic view of a paint bucket according to an embodiment of the present invention.

Fig. 5 is a schematic view of a spray tank according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a collection hopper according to an embodiment of the present invention.

Fig. 7 is a schematic view of a spraying jig according to an embodiment of the present invention.

In the figure: 1. spraying machine frame a main body; 2. spraying a tank; 3. a paint bucket; 4. spraying a groove; 5. a collection hopper; 6. an electrical control panel; 7. a front side baffle; 8. a rear side baffle; 9. a base plate; 10. a top cover plate; 11. a caster wheel; 12. a forklift slot; 13. an air pump; 14. an exhaust valve; 15. a tracheal tube interface; 16. an air tube; 17. a gate is closed; 18. spraying a jig; 19. a paint nozzle; 20. a handrail; 21. and (4) feeding a material inlet.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a casting coating automatic spraying machine, like figure 1, including flush coater frame main part 1, spraying jar 2, scribble storage bucket 3, spraying groove 4, collecting hopper 5, electrical control panel 6, air pump 13 and discharge valve 14. The paint bucket 3 is arranged on the bottom plate 9 in the sprayer frame main body 1, the spraying tank 2 is arranged in the paint bucket 3, the feed port 21 of the spraying tank 2 is connected with the inner space of the paint bucket 3, the air pump 13 and the exhaust valve 14 are fixedly arranged above the spraying tank 2, the electric control panel 6 is fixedly arranged on one side of the sprayer frame main body 1, the spraying groove 4 is fixedly arranged above the sprayer frame main body 1, the aggregate bin 5 is fixedly arranged below the spraying groove 4, and an opening below the aggregate bin 5 is communicated to the inside of the paint bucket 3 by using a pipeline; the electric control panel 6 is connected to the air pump 13 and the exhaust valve 14, respectively.

As shown in fig. 2, the sprayer frame body 1 includes a handrail 20, a front side barrier 7, a rear side barrier 8, a bottom plate 9, a top cover plate 10, and casters 11, the handrail 20 is installed on the side opposite to the electric control panel 6, and a forklift groove 12 is installed at the bottom of the sprayer frame body 1. The coating machine can move freely in a workshop through the caster wheels 11, the electric control panel 6 is fixed in the coating machine frame and used for controlling the opening and closing of the exhaust valve 14 and the air pump 13, and the coating bucket 3 is placed and fixed on the bottom plate 9 of the coating machine frame.

Referring to fig. 3, the spray can 2 is a closed container with a valve, and is connected to the compressed air pipe connector 15 and the paint pipeline, and the air pressure control valve controls the alternate communication between the inner cavity of the spray can 2 and the atmosphere and the compressed air through the valve, so as to realize the suction and automatic spraying of the paint by the spray can 2.

Referring to fig. 4, the paint bucket 3 is placed on the bottom plate 9 inside the frame of the coating machine, 4 air pipes 16 are provided in the paint bucket 3, and fixed inside the paint bucket 3 using a check 17, and the air pipes 16 are communicated with compressed air, and the operation of stirring the paint is completed by blowing the compressed air.

Referring to fig. 5, the spray tank 4 is fixed above the frame of the sprayer for fixing the spray jig 18 and placing the sand core.

As shown in fig. 6, the collecting hopper 5 is placed below the spraying tank 4, and an opening below the collecting hopper 5 leads to the paint bucket 3 by using a pipe for recovering the paint after spraying.

As shown in fig. 7, a spraying jig 18 is disposed on the spraying tank 4, and a plurality of paint nozzles 19 with different heights are disposed on the spraying jig 18.

The utility model discloses a theory of operation is: and opening the exhaust valve 14, communicating the spraying tank 2 with the atmosphere, automatically filling the inside of the spraying tank 2 with the coating within seconds through the feed inlet 21 below the spraying tank 2 under the action of the atmospheric pressure, and closing a valve switch of the feed inlet 21 under the action of gravity. When the spraying device works, the switch of the electrical control panel 6 is started firstly, compressed air is turned on, the air pump 13 is communicated with the compressed air, paint in the pump body of the spraying tank 2 enters the pipeline under the action of the compressed air and is conveyed to the spraying jig 18 through the pipeline, and the spraying jig 18 is provided with a plurality of paint nozzles 19 with different heights according to the shape and the position of a sand core to be sprayed, so that the spraying process is completed. After being sprayed, the paint flows out and flows back to the paint bucket 3 through the collecting hopper 5.

The utility model provides a casting coating automatic spraying machine has characteristics such as convenient operation, safe and reliable, coating are even. The switch on the electrical control panel 6 is turned on to control the compressed air valve, the coating is sprayed on the sand core through the spraying jig 18 by utilizing air pressure, and the electrical control panel 6 can adjust the spraying time as required to adapt to different types of shell sand cores. The air pipe inside the paint bucket 3 is communicated with compressed air, the stirring operation of the paint is completed in an air mode, and the paint deposition is placed. The spraying groove 4 is arranged to prevent the paint from splashing during spraying and reduce paint waste, and the collecting hopper 5 below the spraying groove 4 can flow the paint flowing out after spraying back to the paint bucket 3 to finish paint recovery. The spraying jig 18 can be easily assembled and disassembled, can be quickly replaced, and can quickly complete line replacement when different products are produced. The spraying pressure can be adjusted by a switch of a compressed air valve, so that the coating can be uniformly sprayed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. The automatic casting coating spraying machine is characterized by comprising a spraying machine frame main body (1), a spraying tank (2), a coating bucket (3), a spraying groove (4), a collecting hopper (5), an electric control panel (6), an air pump (13) and an exhaust valve (14), wherein the coating bucket (3) is arranged on a bottom plate inside the spraying machine frame main body (1), the spraying tank (2) is arranged inside the coating bucket (3), a feed inlet of the spraying tank (2) is connected with the inner space of the coating bucket (3), the air pump (13) and the exhaust valve (14) are fixedly arranged above the spraying tank (2), the electric control panel (6) is fixedly arranged on one side of the spraying machine frame main body (1), the spraying groove (4) is fixedly arranged above the spraying machine frame main body (1), the collecting hopper (5) is fixedly arranged below the spraying groove (4), and an opening below the collecting hopper (5) is communicated to the inside of the coating bucket (3) through a pipeline; the electric control panel (6) is respectively connected with the air pump (13) and the exhaust valve (14).

2. The automatic casting paint spraying machine according to claim 1, wherein the spraying machine frame body (1) comprises a handrail (20), a baffle and a caster (11), wherein the handrail (20) is arranged on the upper portion of one side of the spraying machine frame body (1), the baffle comprises a front side baffle (7), a rear side baffle (8), a top cover plate (10) and a bottom plate (9), and the caster (11) adopts a universal wheel.

3. The automatic casting paint spraying machine according to claim 1, characterized in that a plurality of air pipes (16) are arranged in the paint bucket (3), the air pipes (16) are respectively fixed inside the paint bucket (3) by using a check (17), and the air pipes (16) are communicated with compressed air.

4. Automatic casting paint spraying machine according to claim 3, characterized in that said air pipes (16) are provided with 4, each arranged symmetrically inside said paint bucket (3).

5. The automatic casting paint spraying machine according to any one of claims 3 or 4, characterized in that each of the air pipes (16) is arranged inside the paint bucket (3) in an L-shape.

6. The automatic coating machine for the casting coating according to claim 1, wherein a feeding hole (21) is arranged below the coating tank (2), a feeding hole valve is arranged at the feeding hole (21), the feeding hole (21) is communicated with a coating pipeline, the coating pipeline is communicated with the interior of the coating barrel (3), and the feeding hole valve is connected with an electric control panel (6).

7. The automatic casting paint spraying machine according to claim 1, characterized in that the spraying tank (2) is provided with an air pipe connector (15), and the air pipe connector (15) is communicated with compressed air.

8. The automatic casting paint spraying machine according to claim 1, characterized in that a spraying jig (18) is arranged on the spraying groove (4), and a plurality of paint nozzles (19) with different heights are arranged on the spraying jig (18).

Images