Stirring, spraying and filtering device for casting coating

By designing a combination of a coating pool, a spraying assembly, and a stirring assembly, the problems of incomplete stirring and uneven spraying in the coating pool are solved, the uniformity and filtering effect of the coating are achieved, and the production efficiency and casting quality are improved.

CN223454462UActive Publication Date: 2025-10-21TIANJIN NEW WEISAN INDS
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Patent Information

Application Number
CN202422651473.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-10-21
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In the prior art, the paint pool is not stirred thoroughly, the spraying is uneven, the paint is seriously precipitated, and the lower area of ​​the spraying device is difficult to clean, resulting in paint waste and low production efficiency, and large particles and pitting appear on the coating surface.

Method used

A device including a paint pool, a spraying component, a filtering component and a stirring component is designed. The paint pool is provided with a spraying and stirring area. The filtering component is connected to the paint pool. The paint flows back to the spraying component after filtering. The stirring component can swing relative to the paint pool to ensure the uniformity of the paint and the filtering effect.

Benefits of technology

It realizes uniform stirring, filtering and spraying of the coating, reduces coating precipitation and large particle impurities, improves coating uniformity and adhesion, improves casting quality, reduces coating waste and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stirring, spraying and filtering device for casting coating, which belongs to the technical field of sand mould spraying and comprises a coating pool and a filtering component, the coating pool is used for containing the coating, a spraying component is arranged in the coating pool and sprays the coating in the coating pool onto a sand mould, and the filtering component is connected with the coating pool. The coating in the coating pool is filtered through the filtering assembly, and the filtered coating flows back to the coating pool to wash the spraying assembly; a stirring assembly is arranged on the coating pool, can swing relative to the coating pool and makes contact with the bottom wall of the coating pool. According to the utility model, not only can the functions of stirring, filtering, spraying and mould cleaning be performed on the casting coating, but also the air entrainment can be reduced, the uniformity, leveling property and adhesiveness of the coating are improved, and the long-term problems that the coating is not stirred thoroughly, the coating performance is reduced, large-particle sand and impurities in the existing coating remain and the like are solved; therefore, the casting quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to sand mould spraying technical field especially relates to a kind of stirring, spraying, filtering device of foundry coating. BACKGROUND

[0002] Currently, to prevent paint deposition, we use propeller type stirring, but due to the large paint pool, and its effective stirring area is smaller, it needs to set multiple spiral stirring device, so, it will affect the middle spraying space, especially the lower area of spraying device, the position most needing uniform paint, but stirring is not in place, especially easy to deposit. And the sand dropped by sand mould spraying cannot be separated from the paint pool in time, causing large particle pitting on the coating surface. At this time, manual cleaning with filter screen is needed. At the same time, the spraying station position is also prone to accumulate paint, and once this part of paint is not cleaned in time, the spraying device can only be lifted out of the paint pool for cleaning by a dedicated person, which not only causes paint waste, but also affects production efficiency.

[0003] Therefore, it is urgent to design a kind of stirring, spraying, filtering device of foundry coating to solve the above problems. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of stirring, spraying, filtering device of foundry coating, with the advantages of being able to stir, filter, spray and clean the mould of foundry coating, solving the problems mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the specific technical solutions of the stirring, spraying, filtering device of foundry coating of the utility model are as follows:

[0006] A kind of stirring, spraying, filtering device of foundry coating, comprising a paint pool for containing paint and a filtering assembly, a spraying assembly is provided in the paint pool, the spraying assembly sprays the paint in the paint pool on the sand mould, the filtering assembly is connected with the paint pool to filter the paint in the paint pool through the filtering assembly, and the filtered paint flows back to the paint pool to flush the spraying assembly;

[0007] A stirring assembly is provided on the paint pool, which can oscillate relative to the paint pool, and the stirring assembly is in contact with the bottom wall of the paint pool.

[0008] Further, a liquid outlet and a liquid inlet are provided on the paint pool, the liquid outlet of the paint pool is connected with the liquid inlet end of the filtering assembly through a pipeline, and the liquid outlet end of the filtering assembly is connected with the liquid inlet of the paint pool through a pipeline, so that the filtered backflow paint flushes the spraying assembly.

[0009] Further, the spraying assembly comprises a coating box and a spraying table, the coating box can pre-store coating, a liquid inlet end of the coating box is connected with the coating pool, and a liquid outlet end of the coating box is connected with a liquid inlet end of the spraying table; after the sand mold is positioned, the coating pre-stored in the coating box is sprayed to the sand mold through a spraying end of the spraying table under the action of high-pressure gas.

[0010] Further, the spraying end of the spraying table is provided with a plurality of spraying pipes, shapes of the plurality of spraying pipes correspond to a shape of the sand mold to be sprayed.

[0011] Further, the spraying assembly further comprises a support frame, the support frame is connected with the coating pool, and the support frame is fixedly connected with the spraying table.

[0012] Further, the filtering assembly comprises a filtering screen, a liquid inlet end of the filtering screen is connected with a liquid outlet of the coating pool, a liquid outlet end of the filtering screen is connected with a liquid inlet of the coating pool, and a filtering screen is fixedly connected in the filtering screen; coating flowing out of the liquid inlet end of the filtering screen falls on the filtering screen, the liquid coating flows back to the coating pool through the liquid outlet end of the filtering screen after passing through the filtering screen, and large-particle sand and sundries are left on the filtering screen.

[0013] Further, the filtering assembly further comprises a residue discharging and collecting barrel, the residue discharging and collecting barrel is connected with a residue discharging end of the filtering screen, and the filtering screen and the filtering screen can vibrate relative to the residue discharging and collecting barrel, so that the large-particle sand and sundries on the filtering screen move to the residue discharging end of the filtering screen and then fall into the residue discharging and collecting barrel.

[0014] Further, the coating pool is provided with a spraying area and a stirring area, the spraying assembly is arranged in the spraying area, the stirring assembly is arranged in the stirring area, and a bottom wall of the stirring area is in an arc shape.

[0015] Further, the stirring assembly comprises a support plate and a baffle, the support plate is fixedly connected with the coating pool, a rotating rod is arranged on the support plate, the rotating rod can reciprocatingly swing relative to the support plate, the rotating rod is fixedly connected with the baffle, and the baffle is in contact with the bottom wall of the stirring area.

[0016] Further, the stirring assembly further comprises a gas cylinder, a fixed end of the gas cylinder is hinged to the coating pool, and an output end of the gas cylinder is hinged to the baffle.

[0017] The utility model has the advantages that: the utility model not only can stir, filter, spray and clean the coating used for casting, but also can reduce the gas entrainment, improve the uniformity, leveling property and adhesion of the coating, solve the problems of incomplete stirring of the coating, performance reduction of the coating and residual large-particle sand and sundries in the existing coating, and improve the casting quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2It is a structure schematic view of the paint pool and the stirring assembly of the utility model.

[0020] Figure 3 It is a structure schematic view of the spraying assembly of the utility model.

[0021] Figure 4 It is a structure schematic view of the filtering assembly of the utility model.

[0022] Marking description in the drawing: 1, paint pool; 11, spraying area; 12, stirring area; 13, support leg; 2, spraying assembly; 21, paint box; 22, spraying table; 23, spraying pipe; 24, support frame; 3, filtering assembly; 31, filter screen; 32, electric control box; 33, slag collecting barrel; 34, paint pump; 4, stirring assembly; 41, support plate; 42, rotating rod; 43, connecting rod; 44, baffle; 45, air cylinder. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means to be within the scope of the utility model and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0025] The embodiments of the utility model will be described below in combination with the drawings. Figure 1 to the drawings Figure 4 The utility model discloses a kind of stirring, spraying, filtering device of foundry coating.

[0026] At present, spraying table position is also easy to accumulate paint, and this part of paint once not timely cleaning, can only be hoisted out of paint pool spraying device by special person to clean, not only cause paint waste, but also affect production efficiency.

[0027] Therefore, the stirring, spraying and filtering device of the casting coating comprises a coating pool 1 for containing the coating and a filtering assembly 3, the coating pool 1 is internally provided with a spraying assembly 2, the spraying assembly 2 sprays the coating in the coating pool 1 on a sand mold, the filtering assembly 3 is connected with the coating pool 1 to filter the coating of the coating pool 1 through the filtering assembly 3, the filtered coating flows back to the coating pool 1 to flush the spraying assembly 2, and the filtered and backflowing coating flushes the spraying assembly 2 under the action of gravity, so that the spraying assembly 2 is kept clean at all times; specifically, the coating pool 1 is provided with an outlet and an inlet, the outlet of the coating pool 1 is connected with an inlet end of the filtering assembly 3 through a pipeline, and the outlet end of the filtering assembly 3 is connected with the inlet of the coating pool 1 through a pipeline, so that the filtered and backflowing coating flushes the spraying assembly 2.

[0028] Preferably, the coating pool 1 is fixedly connected with support legs 13, and the specific number of the support legs 13 is four, and the four support legs 13 are located at four corners of the coating pool 1.

[0029] The spraying assembly 2 comprises a coating box 21 and a spraying table 22, the coating box 21 can pre-store the coating, the inlet end of the coating box 21 is connected with the coating pool 1, the outlet end of the coating box 21 is connected with the inlet end of the spraying table 22, after the sand mold is in place, the coating pre-stored in the coating box 21 is sprayed to the sand mold through the spraying end of the spraying table 22 under the action of high-pressure gas.

[0030] The spraying end of the spraying table 22 is provided with a plurality of spraying pipes 23, the shapes of the plurality of spraying pipes 23 correspond to the shape of the sand mold to be sprayed, specifically, the spraying pipes 23 are random pipes made according to the shape of the sand mold, and the spraying ports on each spraying pipe can ensure that the spraying ports are random to the sand mold and the distances of the coating sprayed to the sand mold by each spraying port are the same, so as to ensure that the coating sprayed to the sand mold is uniformly covered.

[0031] Preferably, the plurality of spraying pipes 23 arranged transversely and longitudinally on the spraying table 22 are installed on the spraying table 22, wherein the plurality of spraying pipes 23 are circular tubes, and are vertically arranged transversely and longitudinally on the spraying table 22 in rows, and are random to the corresponding sand mold.

[0032] Preferably, the spraying table 22 is a rectangular plate body, and is installed in the middle position of the support frame 24 in a welding or bolt connection mode, in other embodiments of the utility model, the spraying table 22 can also have other shapes.

[0033] Preferably, the coating box 21 is a rectangular box body, and is installed on the support frame 24 in a welding or bolt connection mode, in other embodiments of the utility model, the coating box 21 can also have other shapes.

[0034] Preferably, the sand mold can be moved by a mechanical hand clamping, thereby being in place, and in other embodiments of the present application, the sand mold can also be moved by other clamping tools, as long as the precision of the sand mold movement can be ensured.

[0035] Specifically, when the sand mold is in place, the sand mold is located at the opposite end of the spraying end of the spraying pipe 23, and when the mechanical hand clamps the sand mold into the opposite end of the spraying assembly 2, the spraying assembly 2 is started. The paint pre-existing in the paint box 21 is rapidly sprayed to the sand mold by the high-pressure gas, generally lasting for 3-4 seconds, and after the spraying is completed, the paint in the paint pool 1 fills the paint box 21 again.

[0036] Preferably, the liquid inlet end of the paint box 21 is connected to the paint pool 1 through a ball valve, and after the paint in the paint box 21 is sprayed, the ball valve is opened, so that the paint in the paint pool 1 fills the paint box 21, and in other embodiments of the present application, other valve bodies can also be provided.

[0037] At present, the sand falling from the sprayed sand mold cannot be separated from the paint pool in time, causing large particle spots on the surface of the coating. At this time, manual cleaning with a filter screen is required.

[0038] Therefore, the filter assembly 3 of the present application comprises a filter screen 31, the liquid inlet end of the filter screen 31 is connected to the liquid outlet of the paint pool 1, the liquid outlet end of the filter screen 31 is connected to the liquid inlet of the paint pool 1, and the filter screen 31 is fixedly connected with a filter screen. The paint flowing out of the liquid inlet end of the filter screen 31 falls onto the filter screen, and the liquid paint flows back to the paint pool 1 through the liquid outlet end of the filter screen 31 after passing through the filter screen. Large particles of sand and impurities are left on the filter screen. Specifically, the filter assembly 3 further comprises a slag discharge collection bucket 33 connected to the slag discharge end of the filter screen 31. The filter screen 31 and the filter screen can vibrate relative to the slag discharge collection bucket 33, so that the large particles of sand and impurities on the filter screen move to the slag discharge end of the filter screen 31, and then fall into the slag discharge collection bucket 33, so that the sand and other impurities scattered in the paint pool 1 during the spraying process can be filtered at any time, and the large particles on the coating can be avoided.

[0039] Preferably, the paint in the paint pool 1 can be pumped into the filter screen 31 by the paint pump 34, and the filtered paint can also be discharged into the paint pool 1 by the paint pump 34, and the paint in the paint pool 1 can be circulated by the stirring assembly 4, so that the paint in the paint pool 1 can be filtered.

[0040] Preferably, the residue collection bucket 33 is provided with a liquid level sensor, when the large particle residue liquid surface reaches the sensing position, the electric control box 32 automatically sends out an alarm to remind the operator to clean up the large particles screened out in time, the vibration filtered coating flows into the coating pool 1 through the pipeline from the backwater inlet, in other embodiments of the utility model, other sensing sensors can also be arranged in the residue collection bucket 33, as long as the particle residue in the residue collection bucket 33 can be cleaned in time when reaching a certain amount.

[0041] At present, in order to prevent the coating from depositing, we adopt the propeller type stirring, but due to the large coating pool and the small effective stirring area, multiple spiral stirring devices need to be arranged, thus, the middle spraying space is affected, especially the lower region of the spraying device, the position most needing uniform coating, but the stirring is not in place, and the coating is particularly prone to depositing.

[0042] Therefore, the coating pool 1 is provided with a stirring assembly 4, the stirring assembly 4 can oscillate relative to the coating pool 1, the stirring assembly 4 is in contact with the bottom wall of the coating pool 1, so that the stirring assembly 4 can oscillate at the bottom of the coating pool 1, preventing the coating from being uneven before entering the coating box 21.

[0043] Further, the coating pool 1 is provided with a spraying area 11 and a stirring area 12, the spraying assembly 2 is arranged in the spraying area 11, the stirring assembly 4 is arranged in the stirring area 12, the bottom wall of the stirring area 12 is in the shape of a circular arc, the stirring assembly 4 reciprocatingly oscillates, and the circular shape of the bottom wall of the stirring area 12 corresponds to the oscillation profile of the stirring assembly 4, so that the bottom wall of the stirring area 12 can be scraped, the coating is uniformly mixed, and the coating in the spraying area 11 is synchronously stirred and mixed through the reciprocating oscillation of the stirring assembly 4.

[0044] It should be noted that when the stirring assembly 4 scrapes the bottom wall of the stirring area 12, the stirring assembly 4 does not interfere with the stirring area 12.

[0045] The stirring assembly 4 comprises a support plate 41 and a baffle 44, the support plate 41 is fixedly connected with the coating pool 1, the support plate 41 is provided with a rotating rod 42, the rotating rod 42 can reciprocatingly oscillate relative to the support plate 41, the rotating rod 42 is fixedly connected with the baffle 44, and the baffle 44 is in contact with the bottom wall of the stirring area 12, specifically, the rotating rod 42 is fixedly connected with a connecting rod 43, one end of the connecting rod 43 away from the rotating rod 42 is fixedly connected with the baffle 44, so that the baffle 44 reciprocatingly oscillates around the rotating rod 42 as the center, so as to stir the entire coating pool 1, especially the lower region of the coating pool 1.

[0046] The stirring assembly 4 further comprises a gas cylinder 45, a fixed end of the gas cylinder 45 is hinged with the paint pool 1, and an output end of the gas cylinder 45 is hinged with the baffle 44, the baffle 44 is driven to swing back and forth by the gas cylinder 45, and specifically, a cross bar is arranged between the connecting rods 43, and the output end of the gas cylinder 45 is hinged with the cross bar.

[0047] The whole device is always in a clean and stable state through cooperation of the integral structure, the coating for casting can be stirred, filtered, sprayed and die washing, gas entrainment is reduced, uniformity, flow leveling and adhesion of the coating are improved, the problems of incomplete stirring, performance reduction and large particle sand residue in the existing coating are solved, and the casting quality is improved.

[0048] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the implementation modes are not required or can not be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stirring, spraying, filtering device for foundry coating, characterized in that, The coating pool is provided with a spraying assembly for spraying the coating in the coating pool on the sand mold, and the filtering assembly is connected with the coating pool to filter the coating in the coating pool through the filtering assembly, and the filtered coating flows back to the coating pool to flush the spraying assembly. The coating pool is provided with a stirring assembly, which can swing relative to the coating pool and is in contact with the bottom wall of the coating pool.

2. The apparatus for stirring, spraying and filtering of foundry coating according to claim 1, characterized in that, The coating pool is provided with an outlet and an inlet, the outlet of the coating pool is connected with the inlet end of the filtering assembly through a pipeline, and the outlet end of the filtering assembly is connected with the inlet of the coating pool through a pipeline, so that the filtered and backflowing coating flushes the spraying assembly.

3. The apparatus of claim 1 wherein, The spraying assembly comprises a coating box and a spraying table, the coating box can pre-store the coating, the inlet end of the coating box is connected with the coating pool, and the outlet end of the coating box is connected with the inlet end of the spraying table.

4. The apparatus for stirring, spraying and filtering of foundry coating according to claim 3, characterized in that, The spraying end of the spraying table is provided with a plurality of spraying pipes, the shapes of the spraying pipes correspond to the shape of the sand mold to be sprayed.

5. The apparatus of claim 3 wherein, The spraying assembly further comprises a support frame connected with the coating pool and fixedly connected with the spraying table.

6. The apparatus of claim 1 wherein, The filtering assembly comprises a filtering screen, the inlet end of the filtering screen is connected with the outlet of the coating pool, the outlet end of the filtering screen is connected with the inlet of the coating pool, and the filtering screen is fixedly connected with a filter screen.

7. The apparatus of claim 5 wherein, The filtering assembly further comprises a slag discharge collection barrel connected with the slag discharge end of the filtering screen, and the filtering screen and the filter screen can vibrate relative to the slag discharge collection barrel to move the large-grained sand and impurities on the filter screen to the slag discharge end of the filtering screen and then into the slag discharge collection barrel.

8. The apparatus of claim 1 wherein, The coating pool is provided with a spraying area and a stirring area, the spraying assembly is arranged in the spraying area, and the stirring assembly is arranged in the stirring area.

9. The apparatus for stirring, spraying and filtering of foundry coating according to claim 8, characterized in that, The stirring assembly comprises a support plate and a baffle, the support plate is fixedly connected with the coating pool, the support plate is provided with a rotating rod, the rotating rod can reciprocatingly swing relative to the support plate, the rotating rod is fixedly connected with the baffle, and the baffle is in contact with the bottom wall of the stirring area.

10. The apparatus for stirring, spraying and filtering of foundry coating according to claim 9, characterized in that, The stirring assembly further comprises a gas cylinder, the fixed end of the gas cylinder is hingedly connected with the coating pool, and the output end of the gas cylinder is hingedly connected with the baffle.