Coated sand anti-caking device
By designing an anti-agglomeration device for coated sand, and utilizing rotary stirring and screening components, the problems of raw sand screening and temperature control for coated sand were solved, achieving uniform mixing and stable storage of coated sand and avoiding agglomeration.
Patent Information
- Application Number
- CN202520094915.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing coated sand processing equipment cannot screen and select the raw sand for coated sand, cannot ensure a stable internal temperature for the mixed sand, and cannot improve the uniformity of the mixed sand, resulting in the coated sand being prone to clumping.
A device for preventing agglomeration of coated sand was designed, comprising components such as a rotary motor, turntable, fixed rod, stirring blade, positioning rod, limit spring, filter screen, pressure plate, feeding hopper, low-temperature chamber, power motor, fan blade, and low-temperature pipe. Through rotational stirring, screening, and cooling measures, the device ensures that the original sand has a consistent particle size distribution and stable temperature, avoiding excessive local adhesion.
It achieves uniform mixing and screening of coated sand raw sand, reduces the possibility of clumping, extends the storage time of mixed sand, and improves the uniformity and stability of mixed sand.
Smart Images
Figure CN223916575U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a film coated sand processing equipment technical field, concretely is a kind of film coated sand anti-bunching device. BACKGROUND
[0002] Film coated sand as a kind of widely used in foundry industry molding material, plays a vital role in foundry process, it is by raw sand, resin, curing agent and so on Various components are mixed by specific process, under certain conditions, can form the sand type or sand core with good strength and precision, provide reliable basis for the forming of casting, however, in the production, storage and use process of film coated sand, bunching problem has been plagued by industry A big problem, the granularity distribution, shape and other factors of film coated sand raw sand can affect the fluidity and dispersibility of film coated sand, and humidity and temperature are also one of important environmental factors affecting film coated sand bunching, simultaneously in the production process of film coated sand, if sand mixing process is unreasonable, such as insufficient or too long sand mixing time, uneven sand mixing speed etc., can cause uneven coating of resin on sand particle surface, local adhesion degree is too high, thereby causing bunching, to solve the above problems, therefore need a kind of film coated sand anti-bunching device.
[0003] The existing film coated sand treatment device cannot screen and select the raw sand of film coated sand during operation, cannot ensure that the internal environmental temperature of sand mixing is stable, and cannot improve the uniformity of sand mixing, so there is an urgent need for a film coated sand anti-bunching device. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a kind of film coated sand anti-bunching device to solve the problems that the existing film coated sand treatment device cannot screen and select the raw sand of film coated sand during use, cannot ensure that the internal environmental temperature of sand mixing is stable and cannot improve the uniformity of sand mixing.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of film coated sand anti-bunching device, including device main body, the bottom of device main body is equipped with rotating electrical machine, the top of rotating electrical machine is equipped with carousel, the top of carousel is equipped with fixed rod, the outer wall of fixed rod is equipped with stirring vane, the top of fixed rod is equipped with fixed sleeve.
[0006] The top of device main body is equipped with positioning rod, the outer wall of positioning rod is equipped with limit spring, the top of limit spring is equipped with filter screen, the side wall of filter screen is equipped with pressing plate.
[0007] The top of the device body is provided with an upper hopper, a fixed shaft penetrates the inside of the upper hopper, the side wall of the upper hopper is provided with a low-temperature bin, the outer wall of the low-temperature bin is provided with a power motor, the outer wall of the power motor is provided with a fan blade, the inner wall of the low-temperature bin is provided with a low-temperature pipe, and the inner wall of the low-temperature bin is provided with a dustproof sleeve.
[0008] Preferably, the outer wall diameter of the rotating disc matches the inner wall diameter of the device body, and the fixed rod is in clamping connection with the stirring blade.
[0009] Preferably, the stirring blade is arranged in a ring array around the central axis of the rotating disc, and the fixed sleeve is in threaded connection with the fixed rod.
[0010] Preferably, the filter screen is in telescopic structure with the positioning rod through the limiting spring, and the positioning rod is arranged in a ring array around the central axis of the device body.
[0011] Preferably, the filter screen is in movable connection with the device body, and the pressing plate is symmetrically arranged around the central axis of the filter screen.
[0012] Preferably, the upper hopper is in threaded connection with the device body through the fixed shaft, and the top of the upper hopper is in conical shape.
[0013] Compared with the prior art, the device has the following beneficial effects:
[0014] 1. The rotating motor, the rotating disc, the fixed rod, the stirring blade and the fixed sleeve are arranged, the stirring blade is sleeved with the fixed rod, then the fixed sleeve is in threaded connection with the fixed rod, the rotating motor is started to drive the rotating disc to rotate at a constant speed, the raw sand, the resin, the curing agent and other raw materials in the device body are uniformly stirred, the resin is uniformly coated on the surface of the sand particles, and the local adhesion is avoided to be too high, so that the agglomeration is caused.
[0015] 2. The positioning rod, the limiting spring, the filter screen and the pressing plate are arranged, the precoated sand raw sand is poured into the device body, the filter screen is vertically reciprocated by pressing the pressing plate, the precoated sand raw sand is filtered and screened, the particle size distribution and the shape of the precoated sand raw sand are kept consistent, the particle size of the raw sand is kept uniform, the irregular shape is avoided, the friction between the sand particles is increased, and the possibility of agglomeration is increased.
[0016] 3. The upper hopper, the fixed shaft, the low-temperature bin, the power motor, the fan blade, the low-temperature pipe and the dustproof sleeve are arranged, in a high-temperature environment, the curing reaction of the resin is accelerated, the precoated sand is partially cured in the storage process, agglomeration is caused, the power motor is started to drive the fan blade to rotate, the dry and cold air generated on the surface of the low-temperature pipe is blown to the inside of the device body, the temperature of the mixed sand is reduced, the local agglomeration is avoided, and the storage time of the mixed sand is prolonged.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the structure schematic diagram of the front view appearance of the utility model;
[0018] Figure 2 It is the structure schematic diagram of the device main body inside section view;
[0019] Figure 3 It is the structure schematic diagram of the filter screen around assembly split display of the utility model;
[0020] Figure 4 It is the structure schematic diagram of the hot air bin inside section view.
[0021] In the drawing: 1, device main body;2, rotating motor;3, carousel;4, fixed rod;5, stirring blade;6, fixed sleeve;7, positioning rod;8, limit spring;9, filter screen;10, pressing plate;11, feeding hopper;12, fixed shaft;13, low temperature bin;14, power motor;15, fan blade;16, low temperature pipe;17, dust cover. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation on the utility model.
[0023] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0024] Please refer to Figures 1-4 A film-coated sand anti-bonding device, including device main body 1, the bottom of device main body 1 is installed with rotating motor 2, the top of rotating motor 2 is installed with carousel 3, the top of carousel 3 is installed with fixed rod 4, the outer wall of fixed rod 4 is installed with stirring blade 5, the top of fixed rod 4 is installed with fixed sleeve 6, the outer wall diameter size of carousel 3 is matched with the inner wall diameter size of device main body 1, fixed rod 4 is connected with stirring blade 5, stirring blade 5 is arranged in annular array around the central axis of carousel 3, fixed sleeve 6 is connected with fixed rod 4 by screw, through the rotating motor 2, carousel 3, fixed rod 4, stirring blade 5 and fixed sleeve 6 arranged, stirring blade 5 is sleeved with fixed rod 4, then fixed sleeve 6 is fixed with fixed rod 4 by screw, then rotating motor 2 is started to drive carousel 3 to rotate at constant speed, the raw materials such as raw sand, resin and curing agent in device main body 1 are uniformly stirred, so that the resin is evenly coated on the surface of sand particles, to avoid local bonding degree too high, thereby causing bonding.
[0025] Please refer to Figures 1-4The utility model provides a kind of coated sand anti-bunching device, the top of device main body 1 is equipped with positioning rod 7, limiting spring 8 is installed on the outer wall of positioning rod 7, filter screen 9 is installed on the top of limiting spring 8, pressing plate 10 is installed on the side wall of filter screen 9, filter screen 9 is telescopic structure with limiting spring 8 and positioning rod 7, and positioning rod 7 is arranged in ring array distribution with the central axis of device main body 1 as center, filter screen 9 is movably connected with device main body 1, and pressing plate 10 is symmetrically arranged with the central axis of filter screen 9 as center, by positioning rod 7, limiting spring 8, filter screen 9 and pressing plate 10, coated sand raw sand is poured into device main body 1, at this time, filter screen 9 is made to carry out vertical reciprocating vibration by pressing pressing plate 10, to filter and select coated sand raw sand, ensure that the particle size distribution and shape of coated sand raw sand are consistent, avoid that the friction between sand particles increases due to uneven particle size and irregular shape of raw sand, to increase the possibility of bunching.
[0026] Please refer to Figures 1-4 The utility model provides a kind of coated sand anti-bunching device, the top of device main body 1 is equipped with upper hopper 11, fixed shaft 12 is through the inside of upper hopper 11, the side wall of upper hopper 11 is equipped with low temperature bin 13, power motor 14 is installed on the outer wall of low temperature bin 13, fan blade 15 is installed on the outer wall of power motor 14, low temperature pipe 16 is installed on the inner wall of low temperature bin 13, dustproof sleeve 17 is installed on the inner wall of low temperature bin 13, upper hopper 11 is screwed with device main body 1 by fixed shaft 12, and the top of upper hopper 11 is conical shape setting, by setting upper hopper 11, fixed shaft 12, low temperature bin 13, power motor 14, fan blade 15, low temperature pipe 16 and dustproof sleeve 17, in high temperature environment, it will accelerate the solidification reaction of resin, so that coated sand is partially solidified in storage process, causes bunching, and the utility model is rotated by starting power motor 14 and drives fan blade 15, and dry cold air generated on the surface of low temperature pipe 16 is blown to the inside of device main body 1, reduces the temperature of sand mixing, avoids early local agglomeration, prolongs the storage time of sand mixing.
[0027] Working principle: in use, first, the device is moved to the desired position, then the stirring blade 5 is sleeved with the fixed rod 4, then the fixed sleeve 6 is screwed with the fixed rod 4, then the coated sand raw sand is poured into the device main body 1, at this time, the filter screen 9 is vertically reciprocatingly vibrated by pressing the pressing plate 10, so as to filter and screen the coated sand raw sand, ensure that the particle size distribution and shape of the coated sand raw sand are consistent, avoid uneven particle size and irregular shape of the raw sand, increase the friction between the sand particles, and increase the possibility of clumping, then start the power motor 14 to drive the fan blade 15 to rotate, blow the dry cold air generated on the surface of the low temperature pipe 16 to the inside of the device main body 1, reduce the temperature of the mixed sand, avoid premature local clumping, prolong the storage time of the mixed sand, finally start the rotating motor 2 to drive the rotating disc 3 to rotate at a constant speed, uniformly stir the raw sand, resin, curing agent and other raw materials in the device main body 1, make the resin uniformly coated on the surface of the sand particles, avoid local adhesion too high, thereby causing clumping, so that the use process of the device is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A coated sand anti-briquetting device comprising a device body (1), characterized in that: The bottom of the device body (1) is provided with a rotating motor (2), the top of the rotating motor (2) is provided with a rotating disc (3), the top of the rotating disc (3) is provided with a fixed rod (4), the outer wall of the fixed rod (4) is provided with a stirring blade (5), the top of the fixed rod (4) is provided with a fixed sleeve (6); The top of the device body (1) is provided with a positioning rod (7), the outer wall of the positioning rod (7) is provided with a limiting spring (8), the top of the limiting spring (8) is provided with a filter screen (9), the side wall of the filter screen (9) is provided with a pressing plate (10); The top of the device body (1) is provided with a feeding hopper (11), a fixed shaft (12) penetrates the inside of the feeding hopper (11), the side wall of the feeding hopper (11) is provided with a low-temperature bin (13), the outer wall of the low-temperature bin (13) is provided with a power motor (14), the outer wall of the power motor (14) is provided with a fan blade (15), the inner wall of the low-temperature bin (13) is provided with a low-temperature pipe (16), and the inner wall of the low-temperature bin (13) is provided with a dustproof sleeve (17).
2. The film-coated sand anti-clumping device of claim 1, wherein: The outer wall diameter of the rotating disc (3) matches the inner wall diameter of the device body (1), and the fixed rod (4) is connected with the stirring blade (5).
3. The film-coated sand anti-clumping device of claim 1, wherein: The stirring blade (5) is arranged in an annular array around the central axis of the rotating disc (3), and the fixed sleeve (6) is threadedly connected with the fixed rod (4).
4. The film-coated sand anti-clumping device of claim 1, wherein: The filter screen (9) and the positioning rod (7) constitute a telescopic structure through the limiting spring (8), and the positioning rod (7) is arranged in an annular array around the central axis of the device body (1).
5. The film-coated sand anti-clumping device of claim 1, wherein: The filter screen (9) is movably connected with the device body (1), and the pressing plate (10) is symmetrically arranged around the central axis of the filter screen (9).
6. The film-coated sand anti-clumping device of claim 1, wherein: The feeding hopper (11) is threadedly connected with the device body (1) through the fixed shaft (12), and the top of the feeding hopper (11) is conical.