CN217016357U - Automatic stirring and heating equipment for casting sand core coating - Google Patents

Abstract

The utility model discloses automatic stirring and heating equipment for a casting sand core coating, which comprises a coating stirring component, a coating heating component and a sand core suspension component, wherein the coating stirring component is arranged on the casting sand core; the coating stirring assembly comprises a coating bucket, a base, an upright post, a stirring rod, a rotating motor and a motor switch, wherein the coating bucket is rotatably installed on the top of the base through the rotating motor, and the rotating motor is electrically connected with the motor switch; the upright post is arranged on the base along the vertical direction, the stirring rod is arranged on the upright post, and the tail end of the stirring rod is positioned in the paint bucket; the coating heating assembly comprises an air heater, a heat preservation cover, a temperature sensor and a controller, wherein the air heater and the heat preservation cover are respectively arranged at the top of the base; the sand core suspension assembly comprises a suspension bracket and a coating tray which are arranged on the upright post; the utility model has the advantages of heating, uniform stirring and convenient use.

Description

Automatic stirring and heating equipment for casting sand core coating

Technical Field

The utility model belongs to the technical field of sand core surface treatment equipment, and particularly relates to automatic stirring and heating equipment for a casting sand core coating.

Background

The traditional name of the coating in China is paint. The coating is a continuous film which is coated on the surface of a protected or decorated object and can form firm adhesion with the coated object, and is usually a viscous liquid prepared by adding corresponding additives into resin, oil or emulsion and using organic solvents or water.

In the casting production process, in order to avoid the direct contact of the high-temperature molten iron on the sand core, a layer of coating needs to be coated on the surface of the sand core, the coating in a coating barrel needs to be fully stirred uniformly before the coating of the sand core is coated on the sand core, the coating has the effects of reducing sand burning of the casting, reducing the surface roughness of the casting and improving the surface smoothness of the casting, so that the molten iron can be effectively separated from the molding sand after the casting is formed, the defects of sand inclusion and sand holes are reduced, the casting cooling speed is favorably controlled, and the defects of shrinkage porosity and cracks are prevented.

China (CN201822102313.4) discloses a novel L-shaped paint mixer, which comprises a frame, a speed reducer, a motor and an L-shaped stirring rod, wherein the upper surface of the frame is provided with a base for fixing a paint bucket and a height adjusting mechanism for adjusting the longitudinal height of the L-shaped stirring rod, the L-shaped stirring rod is fixed on the height adjusting mechanism through a horizontal telescopic mechanism, the L-shaped stirring rod comprises a horizontal stirring rod and a vertical supporting rod, a motor for controlling the horizontal stirring rod to rotate around the axial direction of the horizontal stirring rod is arranged in the vertical supporting rod, and a stirring blade is embedded in the top of the horizontal stirring rod; the base with the output flange of speed reducer links to each other, the base is equipped with round location retaining ring all around. It can stir the coating, but the article is inconvenient to be coated, and the coating solidifies easily when the temperature is low, and the coating thickness is inhomogeneous.

The existing paint stirring equipment is mainly characterized in that the rotation of an impeller-shaped stirring rod is controlled to uniformly stir the paint, paint deposition is easily generated at the corner of a paint bucket to form paint slag, and the insufficient stirring of the paint is easy to form paint layering; in winter, in low-temperature seasons, the temperature of the coating is too low, the coating is easy to sag when the sand core is coated, and the thickness of the coating on the surface of the sand core is not uniform, so that the stability of the product quality is influenced.

Disclosure of Invention

The utility model aims to provide automatic stirring and heating equipment for casting sand core coating, which can be heated and stirred uniformly and is convenient to use, aiming at the problems in the prior art.

In order to realize the purpose, the utility model adopts the technical scheme that: an automatic stirring and heating device for casting sand core coatings comprises a coating stirring assembly, a coating heating assembly and a sand core suspension assembly, wherein the coating stirring assembly is used for stirring the coatings to enable the coatings to be uniform, the coating heating assembly is used for heating the coatings to prevent the coatings from being solidified, the sand cores are suspended to enable the coatings to be solidified, and the dropped coatings are recovered;

the coating stirring assembly comprises a coating bucket, a base, an upright post, a stirring rod, a rotating motor and a motor switch, wherein the coating bucket is rotatably mounted at the top of the base through the rotating motor, a turntable can be arranged at the bottom of the coating bucket, the rotating motor is connected with a gear or a speed reducer for transmission, and the rotating motor is electrically connected with the motor switch and used for driving the coating bucket to rotate; the upright post is arranged on the base along the vertical direction, the stirring rod is installed on the upright post, the tail end of the stirring rod is positioned inside the coating bucket, the coating bucket is of a cylindrical structure with an open top, the stirring rod is fixed, the coating bucket is driven by a rotating motor to continuously rotate, the coating inside is driven to integrally flow, and convection is performed under the action of the stirring rod, so that the coating layers are uniformly distributed;

the coating heating assembly comprises an air heater, a heat preservation cover, a temperature sensor and a controller, wherein the air heater and the temperature sensor are electrically connected with the controller, the temperature sensor can sense the temperature of the coating and feed back to the controller, the controller controls the work of the air heater to keep the temperature at a set temperature, the air heater and the heat preservation cover are respectively arranged at the top of the base, the heat preservation cover is arranged at the periphery of the side wall of the coating barrel and used for preserving heat, and an opening matched with the air heater is formed in the heat preservation cover to blow hot air on the side wall of the coating barrel to heat the coating barrel;

the sand core suspension assembly comprises a suspension support and a coating tray, the suspension support is used for suspending articles coated with coatings, the coating tray is located under the suspension support and used for collecting coatings dripped by the articles coated with the coatings, the coating bucket is located under a backflow port of the coating tray, the collected coatings flow back into the coating bucket, and the sand core suspension assembly is environment-friendly and not wasted.

The stirring equipment provided by the utility model has the advantages of uniform coating stirring, difficulty in coating deposition and coating layering, difficulty in coating sagging in low-temperature seasons, convenience in use, low cost, safety and reliability. The problem that coating slag and coating layering are easy to generate in the existing coating stirring equipment and coating sagging is easy to generate in the coating process of the sand core in low-temperature seasons is solved, so that the coating is stirred more uniformly and fully, the coating can be ensured to be coated on the sand core at proper temperature in low-temperature seasons, the coating sagging generated in the coating process of the sand core is avoided, the coating thickness uniformity and the production process stability of a product are ensured, and the coating stirring equipment has good practical value.

Further, the stirring rod comprises a connecting rod, a bottom stirring head and a vertical rod, the connecting rod is horizontally installed on the upright column, the connecting rod is connected with the top end of the vertical rod, and the bottom end of the vertical rod is connected with the bottom stirring head; the montant is pressed close to scribble the inside wall of storage bucket, the bottom stirring head is pressed close to scribble the inner wall bottom surface of storage bucket, the platelike structure that the bottom stirring head set up for the slope. At scribble storage bucket pivoted in-process, the montant can be scraped the coating of scribbling storage bucket inner wall adhesion, and the bottom stirring head can scrape down the coating of scribbling storage bucket bottom surface and make the coating carry out the convection current, prevents that coating from deposiing in scribbling the storage bucket, the slope of bottom stirring head sets up, does benefit to the bottom coating come-up, avoids producing the coating layering in the storage bucket of scribbling for the even abundant of stirring of coating.

Further, the included angle between the bottom stirring head and the bottom surface of the inner wall of the paint bucket is 30-60 degrees. The included angle between the bottom stirring head and the plane of the bottom of the coating bucket is 30-60 degrees, so that the rotating resistance of the coating in the coating bucket is reduced, and the coating is stirred more uniformly and fully.

Further, the detachable setting of temperature sensor is in on the montant, can reduce the impact damage to temperature sensor when coating is rotatory, temperature sensor's one end is pressed close to the inner wall bottom surface of scribbling the storage bucket, temperature sensor's the other end exceeds the top surface of scribbling the storage bucket is convenient for monitor the coating temperature in the storage bucket more accurately, the convenient detection.

Furthermore, the connecting rod is connected with two at least montants, the bottom of montant is connected with respectively the bottom stirring head. The connecting rod adopts the mode of circumference array to set up many montant and bottom stirring head can improve stirring efficiency and stirring effect.

Further, the heat preservation cover is for locating scribble the outlying cylindrical hollow structure of lateral wall of storage bucket, forms semi-enclosed space and plays the heat preservation effect, still be provided with the protection casing on the lateral wall that keeps warm the cover, the protection casing set up in directly over the air heater, can be arc or trough plate structure, the width of protection casing is greater than the width of air heater avoids scribbling on the coating splashes or the foreign matter falls the air heater in the storage bucket, can adjust the air heater of below and play the guard action well.

Further, the hanging support is horizontally arranged, so that articles can be conveniently hung and positioned, the coating tray is obliquely arranged, the material blocking structures are arranged on the periphery of the coating tray, the material blocking structures are arranged at the lowest positions of the material blocking structures and are provided with the backflow ports, and the materials can be concentrated on the falling of the backflow ports due to the arrangement of the coating tray.

Furthermore, a plurality of positioning holes are uniformly formed in the upright column, and the stirring rod, the hanging support and the coating tray are connected through bolts. So set up can be convenient quick right the puddler, the outrigger with the coating tray carries out height control, is applicable to different articles and uses.

Furthermore, the bottom surface of base is provided with universal gyro wheel, the gyro wheel has the stopper, the top surface of base still is provided with the handle. The universal idler wheels, the brake and the handle are arranged to facilitate the movement and turnover of the equipment.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the coating bucket, the rotating motor drives the coating bucket body to rotate, and the obliquely arranged stirring head at the bottom is matched, so that the rotating resistance of the coating is reduced, the coating at the bottom of the coating bucket can be favorably floated upwards, the coating can be stirred more uniformly and fully, the coating is prevented from being deposited to form coating slag, the coating in the coating bucket can be prevented from being layered, the thickness of the coating is uniform, and the stability of the product quality is ensured;

2. according to the utility model, the coating heating assembly is arranged, and the controller and the temperature sensor are adopted to jointly control the hot air blower to work, so that the temperature of the coating in the coating barrel is ensured to be within a proper temperature range, the phenomenon that the surface quality of the sand core and the subsequent product quality are influenced by coating sagging caused by too low coating temperature in low-temperature seasons is avoided, the rejection rate of products is reduced, and the cost loss of the product quality is reduced;

3. the utility model integrates the functions of stirring the coating, heating the coating, feeding and suspending and solidifying the coating, and has the advantages of fast turnover and convenient use;

4. the dropped coating can be reused, and the waste and pollution are reduced.

Drawings

FIG. 1 is a perspective view of an automatic stirring apparatus for casting sand core coating of the present invention;

FIG. 2 is a top view of an automatic stirring apparatus for foundry core coating in accordance with the present invention;

FIG. 3 is a perspective view of a stirring rod according to an embodiment of the present invention;

in the figure: 1. a paint bucket; 2. a base; 3. a column; 4. a stirring rod; 41. a connecting rod; 42. a bottom stirring head; 43. a vertical rod; 5. a motor switch; 6. a hot air blower; 7. a heat-preserving cover; 72. a protective cover; 8. a temperature sensor; 9. a controller; 10. a suspension bracket; 11. and (7) coating a tray.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings or the orientation or position relationship that the utility model product is usually placed when in use, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-3, an automatic stirring and heating device for casting sand core coating comprises a coating stirring component for stirring the coating to make the coating uniform, a coating heating component for heating the coating to prevent solidification, a sand core suspension component for suspending the sand core to make the coating solidified, and a dropping coating for recovering;

the coating stirring component comprises a coating bucket 1, a base 2, an upright post 3, a stirring rod 4, a rotating motor and a motor switch 5, wherein the coating bucket 1 is rotatably installed on the top of the base 2 through the rotating motor, a turntable can be arranged at the bottom of the coating bucket 1, the turntable is connected with the rotating motor through a gear or a speed reducer for transmission, and the rotating motor is electrically connected with the motor switch 5 and used for driving the coating bucket 1 to rotate for 360 degrees; the upright post 3 is arranged on the base 2 along the vertical direction, the stirring rod 4 is installed on the upright post 3, the tail end of the stirring rod 4 is positioned inside the coating bucket 1, the coating bucket 1 is of a cylindrical structure with an open top, the stirring rod 4 is fixed, the coating bucket 1 is driven by a rotating motor to continuously rotate, so that the coating inside is driven to integrally flow, and the convection is performed under the action of the stirring rod 4, so that the coating layers are uniformly distributed;

the coating heating assembly comprises an air heater 6, a heat preservation cover 7, a temperature sensor 8 and a controller 9, wherein the air heater 6 and the temperature sensor 8 are both electrically connected with the controller 9, the temperature sensor 8 can sense the temperature of the coating and feed back the temperature to the controller 9, the controller 9 controls the work of the air heater 6 to keep the temperature at a set temperature, the air heater 6 and the heat preservation cover 7 are respectively arranged at the top of the base 2, the heat preservation cover 7 is arranged at the periphery of the side wall of the coating barrel 1 and used for preserving heat, an opening matched with the air heater 6 is formed in the heat preservation cover 7, so that hot air can be blown on the side wall of the coating barrel 1 to heat the coating barrel 1; the temperature sensor 8 monitors the temperature of the paint in the paint bucket 1 and transmits the monitored paint temperature information to the controller 9, and the controller 9 determines whether the received paint temperature is within the temperature range set by the controller 9. When the temperature of the coating reaches the upper limit of the temperature range set by the controller 9, the hot air blower 6 stops working; when the temperature of the paint reaches the lower limit of the temperature range set by the controller 9, the hot air blower 6 starts to operate to blow hot air against the outer wall of the paint bucket 1, so as to raise the temperature of the paint in the paint bucket 1. Thereby ensuring that the temperature of the coating in the coating bucket 1 is within the temperature range set by the controller 9, and facilitating the adjustment of the temperature of the coating in the coating bucket according to actual requirements.

The sand core suspension assembly comprises a suspension bracket 10 and a coating tray 11 which are installed on the stand column 3, the suspension bracket 10 is used for suspending objects coated with coatings, the coating tray 11 is located right below the suspension bracket 10 and is used for collecting coatings dropping from the objects coated with the coatings, the coating bucket 1 is located right below a backflow port of the coating tray 11, the collected coatings flow back into the coating bucket 1, and the sand core suspension assembly is environment-friendly and does not waste.

The stirring equipment provided by the utility model has the advantages of uniform coating stirring, difficulty in coating deposition and coating layering, difficulty in coating sagging in low-temperature seasons, convenience in use, low cost, safety and reliability. The problems that coating slag and coating layering are easy to generate and coating sagging is easy to generate in the process of coating on the sand core in low-temperature seasons in the existing coating stirring equipment are well solved, so that the coating is stirred more uniformly and fully, the coating can be ensured to be coated on the sand core at proper temperature in low-temperature seasons, the phenomenon that the coating sagging occurs when the sand core is coated is avoided, the coating thickness is ensured to be uniform, the stability of the production process of a product is ensured, and the coating stirring equipment has good practical value.

Further, the stirring rod 4 comprises a connecting rod 41, a bottom stirring head 42 and a vertical rod 43, the connecting rod 41 is horizontally installed on the upright post 3, the connecting rod 41 is connected with the top end of the vertical rod 43, and the bottom end of the vertical rod 43 is connected with the bottom stirring head 42; the montant 43 is pressed close to scribble the inside wall of storage bucket 1, bottom stirring head 42 is pressed close to scribble the inner wall bottom surface of storage bucket 1, bottom stirring head 42 is the platelike structure that the slope set up. In the process of rotating the coating bucket 1, the vertical rod 43 can scrape the coating adhered to the inner wall of the coating bucket 1, the bottom stirring head 42 can scrape the coating on the bottom surface of the coating bucket 1 to enable the coating to be convected, the coating is prevented from being deposited in the coating bucket 1, the bottom stirring head 42 is obliquely arranged, the floating of the bottom coating is facilitated, the coating layering generated in the coating bucket 1 is avoided, and the coating is uniformly and fully stirred.

Further, the included angle between the bottom stirring head 42 and the bottom surface of the inner wall of the paint bucket 1 is 30-60 degrees. The included angle between the bottom stirring head 42 and the bottom plane of the paint bucket 1 is 30-60 degrees, so that the rotating resistance of the paint in the paint bucket 1 is reduced, and the paint is stirred more uniformly and fully.

In the specific implementation process, the distance between the bottom stirring head 42 and the bottom surface of the paint bucket 1 is 10-30mm, the bottom stirring head 42 is perpendicular to the vertical rod 43, the bottom stirring head 42 is parallel to the connecting rod 41, and the distance between the vertical rod 43 and the inner side wall of the paint bucket 1 is 10-30 mm.

Further, the detachable setting of temperature sensor 8 is in on the montant 43, can reduce the impact damage to temperature sensor 8 when coating is rotatory, temperature sensor 8's one end is pressed close to scribble the inner wall bottom surface of storage bucket 1, temperature sensor 8's the other end exceeds the top surface of storage bucket 1 scribbles, is convenient for monitor the coating temperature in the storage bucket 1 more accurately, convenient the detection. In the specific implementation process, the distance between one end of the temperature sensor 8 and the bottom surface of the paint bucket 1 is 10-30mm, and the other end of the temperature sensor 8 is 1-5mm higher than the top surface of the paint bucket 1.

Further, the heat preservation cover 7 is a cylindrical hollow structure arranged on the periphery of the side wall of the coating bucket 1, a semi-closed space is formed to achieve a heat preservation effect, a protective cover 72 is further arranged on the side wall of the heat preservation cover 7, the protective cover 72 is arranged right above the air heater 6 and can be of an arc-shaped or groove-shaped plate structure, the width of the protective cover 72 is larger than the width of the air heater 6, so that coating in the coating bucket 1 is prevented from splashing or foreign matters fall onto the air heater 6, and the air heater 6 below can be protected.

Furthermore, the hanging bracket 10 is horizontally arranged, so that articles can be conveniently hung and positioned, the coating tray 11 is obliquely arranged, the material blocking structures are arranged around the coating tray 11, the backflow port is formed in the lowest part of the material blocking structures, and the materials can be centralized on the backflow port to fall down due to the arrangement of the coating tray 11.

Furthermore, the bottom surface of base 2 is provided with universal gyro wheel, the gyro wheel has the stopper, the top surface of base 2 still is provided with the handle. The universal idler wheels, the brake and the handle are arranged to facilitate the movement and turnover of the equipment.

Example 2

The automatic stirring and heating equipment for the casting sand core coating is further optimized on the basis of the embodiment 1:

further, the connecting rod 41 is connected with at least two vertical rods 43, and the bottom ends of the vertical rods 43 are respectively connected with the bottom stirring head 42. The adoption of the circumferential array sets up many montants 43 and bottom stirring head 42 improve stirring efficiency and stirring effect.

Furthermore, a plurality of positioning holes are uniformly formed in the upright post 3, and the stirring rod 4, the hanging bracket 10 and the coating tray 11 are connected through bolts. The stirring rod 4, the hanging bracket 10 and the coating tray 11 can be conveniently and quickly adjusted in height, and the coating tray is suitable for different objects.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The automatic stirring and heating equipment for the casting sand core coating is characterized by comprising a coating stirring assembly, a coating heating assembly and a sand core suspension assembly;

the coating stirring assembly comprises a coating bucket, a base, an upright post, a stirring rod, a rotating motor and a motor switch, wherein the coating bucket is rotatably installed on the top of the base through the rotating motor, and the rotating motor is electrically connected with the motor switch and used for driving the coating bucket to rotate; the upright post is arranged on the base along the vertical direction, the stirring rod is arranged on the upright post, the tail end of the stirring rod is positioned in the coating bucket, and the coating bucket is of a cylindrical structure with an opening at the top;

the coating heating assembly comprises an air heater, a heat preservation cover, a temperature sensor and a controller, wherein the air heater and the temperature sensor are electrically connected with the controller, the air heater and the heat preservation cover are respectively arranged at the top of the base, the heat preservation cover is arranged on the periphery of the side wall of the coating barrel, and an opening matched with the air heater is formed in the heat preservation cover;

the sand core suspension assembly comprises a suspension support and a coating tray which are installed on the stand column, the coating tray is located under the suspension support, and the coating bucket is located under a backflow port of the coating tray.

2. The automatic stirring and heating equipment for the casting sand core coating as claimed in claim 1, wherein the stirring rod comprises a connecting rod, a bottom stirring head and a vertical rod, the connecting rod is horizontally installed on the upright column, the connecting rod is connected with the top end of the vertical rod, and the bottom end of the vertical rod is connected with the bottom stirring head; the montant is pressed close to scribble the inside wall of storage bucket, the bottom stirring head is pressed close to scribble the inner wall bottom surface of storage bucket, the platelike structure of bottom stirring head for the slope sets up.

3. The automatic stirring and heating equipment for the foundry sand core coating as claimed in claim 2, wherein the angle between the bottom stirring head and the bottom surface of the inner wall of the coating bucket is 30-60 °.

4. The automatic stirring and heating equipment for foundry sand core coatings as claimed in claim 2, wherein the temperature sensor is detachably arranged on the vertical rod, one end of the temperature sensor is close to the bottom surface of the inner wall of the coating bucket, and the other end of the temperature sensor is higher than the top surface of the coating bucket.

5. The automatic stirring and heating equipment for the foundry sand core coating as claimed in claim 2, wherein at least two of said vertical rods are connected to said connecting rod, and said bottom stirring head is connected to the bottom end of each of said vertical rods.

6. The automatic stirring and heating equipment for the foundry sand core coating as claimed in claim 1, wherein the heat-preserving cover is a cylindrical hollow structure disposed on the periphery of the sidewall of the coating bucket, a protective cover is further disposed on the sidewall of the heat-preserving cover, the protective cover is disposed directly above the air heater, and the width of the protective cover is greater than the width of the air heater.

7. The automatic stirring and heating equipment for casting sand core coating according to claim 1, wherein the suspension bracket is horizontally arranged, the coating tray is obliquely arranged, the periphery of the coating tray is provided with a material blocking structure, and the lowest part of the material blocking structure is provided with the backflow port.

8. The automatic stirring and heating equipment for foundry core coatings of claim 1, wherein a plurality of positioning holes are uniformly formed on the column, and the stirring rod, the hanging bracket and the coating tray are connected by a bolt.

9. The automatic stirring and heating equipment for the coating of the sand core for casting according to claim 1, wherein the bottom surface of the base is provided with universal rollers with brakes, and the top surface of the base is also provided with a handle.

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