Molding sand casting dust removal device
By designing a dust removal device for molding sand casting, and employing steps such as conveying, dust removal, cleaning, and drying, the problem of poor dust removal effect in molding sand was solved, thereby improving the quality of casting products and the drying efficiency of molding sand.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-17
AI Technical Summary
Existing dust removal devices for molding sand casting are not effective at cleaning dust from molding sand, which affects the quality of casting products.
A dust removal device for molding sand casting has been designed, comprising a casing, a feeding chamber, a conveying mechanism, a dust removal mechanism, a cleaning chamber, a stirring mechanism, a spraying mechanism, a guide plate, a filter screen, and a drying box. It achieves effective dust removal through steps such as conveying, dust removal, cleaning, filtering, and drying.
This technology effectively removes dust from molding sand, ensuring the quality of casting products. It also accelerates the drying speed of molding sand by adding a stirring mechanism, preventing incomplete drying of the bottom layer of molding sand.
Smart Images
Figure CN223997254U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal casting technology, specifically to a dust removal device for molding sand casting. Background Technology
[0002] Casting is a metalworking process in which a substance that is liquid at room temperature but soon solidifies is poured into a mold of a specific shape and allowed to solidify. Casting is one of the earliest metal heat treatment techniques mastered by humankind, with a history of approximately 6000 years. China entered its golden age of bronze casting around 1700-1000 BC, achieving a considerably high level of craftsmanship. The materials cast are mostly metals that are originally solid but are heated to a liquid state, such as copper, iron, aluminum, tin, and lead, while the mold material can be sand, metal, or even ceramic. Different methods are used depending on the requirements. Casting is one of the fundamental processes of modern machinery manufacturing, therefore, the development of the casting industry signifies a country's production strength. Sand casting is a very important casting method. In sand casting, the quality of the molding sand determines the quality of the cast product; it must not contain excessive dust and impurities. Existing dust removal devices are ineffective at cleaning dust from molding sand. Utility Model Content
[0003] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art and to provide a dust removal device for molding sand casting.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A dust removal device for molding sand casting includes a housing, a feeding chamber inside the housing, a transmission mechanism and a dust removal mechanism installed in the feeding chamber, a cleaning chamber connected to the discharge port of the transmission mechanism, a first stirring mechanism and a spraying mechanism installed on the cleaning chamber, a guide plate inclinedly arranged inside the housing at the output end of the cleaning chamber, a filter screen plate inclinedly arranged below the guide plate, a cleaning mechanism installed on the filter screen plate, a discharge port corresponding to the filter screen plate on the housing, and a drying chamber connected to the discharge port through a pipe.
[0005] Furthermore, the transmission mechanism includes a first motor installed on the side of the housing, the output end of the first motor is connected to a first transmission rod via a bearing, and a first spiral blade is fixedly connected to the first transmission rod.
[0006] Furthermore, the dust removal mechanism includes a dust removal pipe installed on the top of the housing, a fan mounted on the dust removal pipe, and a cloth bag connected to the end of the dust removal pipe.
[0007] Furthermore, the first stirring mechanism includes a second motor installed outside the cleaning chamber, the output end of the second motor being connected to a first rotating shaft via a bearing, and a first stirring rod and a second stirring rod being installed on the first rotating shaft.
[0008] Furthermore, the first stirring rod includes two rods, which pass through the first rotating shaft and are located above and below the first rotating shaft in an asymmetrical arrangement; and the ends of the two first stirring rods are provided with first spiral blades.
[0009] Furthermore, the second stirring rod includes two rods, which are located on the same side of the first rotating shaft and arranged symmetrically; and the ends of the two second stirring rods are provided with second spiral blades.
[0010] Furthermore, the spraying mechanism includes a nozzle installed on the inner wall of the cleaning chamber, and a liquid pump is connected to the nozzle via a pipe. The input end of the liquid pump is connected to a water storage tank via a pipe.
[0011] Furthermore, the cleaning mechanism includes a third motor installed outside the housing, the output end of the third motor is provided with a second transmission rod, and a second spiral blade is fixedly connected to the second transmission rod.
[0012] Furthermore, a vibration mechanism is installed on the guide plate. The vibration mechanism includes a vibration motor mounted on the housing. The output end of the vibration motor is provided with a vibration shaft, which is connected to the guide plate.
[0013] Furthermore, a second stirring mechanism is installed inside the drying oven. The second stirring mechanism includes a third motor, the output end of which is connected to a second rotating shaft via a bearing. Stirring blades are installed on the second rotating shaft.
[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0015] 1. This application provides a feeding chamber within the casing, in which a transmission mechanism and a dust removal mechanism are installed. The discharge port of the transmission mechanism is connected to a cleaning chamber, which is equipped with a first stirring mechanism and a spraying mechanism. The output end of the cleaning chamber is provided with a guide plate inclinedly arranged within the casing, and a filter screen plate inclinedly arranged below the guide plate is provided. A cleaning mechanism is installed on the filter screen plate. The casing is provided with a discharge port corresponding to the filter screen plate, and the discharge port is connected to a drying box through a pipe, thereby achieving effective removal of dust from the molding sand and ensuring the quality of the casting products.
[0016] 2. This application can accelerate the drying speed of molding sand and prevent the bottom layer of molding sand from drying incompletely by adding a second stirring mechanism in the drying oven.
[0017] 3. This utility model has a compact structure and is easy to use. It realizes the turning of molding sand and improves the dust removal effect of molding sand. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the novel sand casting dust removal device in a preferred embodiment of the present invention;
[0019] Figure 2 This is a schematic diagram of the structure of the first stirring mechanism in a preferred embodiment of the present invention.
[0020] Reference numerals: 1. Housing; 2. Feeding chamber; 3. Conveying mechanism; 301. First motor; 302. First transmission rod; 303. First spiral blade; 4. Dust removal mechanism; 401. Dust removal pipe; 402. Exhaust fan; 403. Filter bag; 5. Cleaning chamber; 6. First stirring mechanism; 601. Second motor; 602. First rotating shaft; 603. First stirring rod; 604. Second stirring rod; 605. First spiral blade; 6 06. Second spiral blade; 7. Spraying mechanism; 701. Nozzle; 702. Liquid pump; 703. Water storage tank; 8. Guide plate; 9. Filter screen; 10. Cleaning mechanism; 1001. Third motor; 1002. Second transmission rod; 1003. Second spiral blade; 11. Drying box; 12. Vibration mechanism; 13. Second stirring mechanism; 1301. Third motor; 1302. Second rotating shaft; 1303. Stirring blade. Detailed Implementation
[0021] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.
[0022] Reference Figures 1-2 As shown in the preferred embodiment of this utility model, a dust removal device for molding sand casting includes a housing 1, a feeding chamber 2 inside the housing 1, a conveying mechanism 3 and a dust removal mechanism 4 installed in the feeding chamber 2, a cleaning chamber 5 connected to the discharge port of the conveying mechanism 3, a first stirring mechanism 6 and a spraying mechanism 7 installed on the cleaning chamber 5, an 8 inclinedly arranged inside the housing at the output end of the cleaning chamber 5, a filter screen 9 inclinedly arranged below the guide plate 8, a cleaning mechanism 10 installed on the filter screen 9, and a discharge port corresponding to the filter screen 9 on the housing 1. The discharge port is connected to a drying box 11 through a pipe, thereby achieving effective removal of dust from the molding sand and ensuring the quality of the casting products. This utility model has a compact structure, is easy to use, realizes the turning of molding sand, and improves the dust removal effect of molding sand.
[0023] As a preferred embodiment of this utility model, it may also have the following additional technical features: the transmission mechanism 3 includes a first motor 301 installed on the side of the housing 1, the output end of the first motor 301 is connected to a first transmission rod 302 via a bearing, and a first spiral blade 303 is fixedly connected to the first transmission rod 302; the dust removal mechanism 4 includes a dust removal pipe 401 installed on the top of the housing 1, a fan 402 is provided on the dust removal pipe 401, and a cloth bag 403 is connected to the end of the dust removal pipe 401. Thus, the preliminary dust removal of dust in the molding sand can be achieved through the cooperation of the transmission mechanism 3 and the dust removal mechanism 4.
[0024] In this embodiment, the first stirring mechanism 6 includes a second motor 601 installed outside the cleaning chamber 5. The output end of the second motor 601 is connected to a first rotating shaft 602 via a bearing. A first stirring rod 603 and a second stirring rod 604 are installed on the first rotating shaft 602. The first stirring rod 603 includes two rods, which pass through the first rotating shaft 602 and are located above and below the first rotating shaft 602 in an asymmetrical arrangement. The ends of the two first stirring rods 603 are provided with first spiral blades 605. The second stirring rod 604 includes two rods, which are located on the same side of the first rotating shaft 602 and are arranged symmetrically. The ends of the two second stirring rods 604 are provided with second spiral blades 606. Thus, the molding sand can be thoroughly cleaned, preventing the molding sand from accumulating inside.
[0025] In this embodiment, the spraying mechanism 7 includes a nozzle 701 installed on the inner wall of the cleaning chamber 5. A liquid pump 702 is connected to the nozzle 701 via a pipe, and the input end of the liquid pump 702 is connected to a water storage tank 703 via a pipe. This achieves the washing of the molding sand.
[0026] In this embodiment, the cleaning mechanism 10 includes a third motor 1001 installed outside the housing. The output end of the third motor 1001 is provided with a second transmission rod 1002, and a second spiral blade 1003 is fixedly connected to the second transmission rod 1002. This facilitates the discharge of molding sand.
[0027] In this embodiment, a vibration mechanism 12 is installed on the guide plate 8. The vibration mechanism 12 includes a vibration motor mounted on the housing. The output end of the vibration motor is provided with a vibration shaft, which is connected to the guide plate 8. This allows for maximum separation of dust from the molding sand, ensuring the quality of subsequent casting products.
[0028] In this embodiment, a second stirring mechanism 13 is installed inside the drying chamber 11. The second stirring mechanism 13 includes a third motor 1301, and the output end of the third motor 1301 is connected to a second rotating shaft 1302 via a bearing. A stirring blade 1303 is installed on the second rotating shaft 1302. This can accelerate the drying speed of the molding sand and prevent the bottom layer of molding sand from drying incompletely.
[0029] The working principle of this utility model is as follows: When in use, the molding sand containing dust is poured into the feeding chamber 2 of the machine casing, and the conveying mechanism 3 and the dust removal mechanism 4 are started to initially remove dust from the molding sand; when the molding sand is conveyed into the cleaning chamber 5, the spraying mechanism 7 is started to clean the molding sand, and it is thoroughly cleaned under the stirring action of the first stirring mechanism 6; after cleaning for a period of time, the valve at the output end of the cleaning chamber is opened, so that the molding sand flows out of the cleaning chamber 5 and flows towards the filter screen 9 for filtration. At the same time, the vibration action of the guide plate 8 enables the dust to be fully separated from the molding sand. After filtration, the cleaning mechanism 10 is started to convey the molding sand to the drying box 11 for drying to ensure the quality of the casting products.
[0030] Without causing conflict, those skilled in the art can freely combine and use the above-mentioned additional technical features.
[0031] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.
Claims
1. A sand casting dedusting device, characterized in that: Including the shell, the shell is equipped with feed cavity inside, the feed cavity is installed with transmission mechanism, dust removal mechanism, the discharge port of transmission mechanism is connected with cleaning cavity, first stirring mechanism, spray mechanism are installed on the cleaning cavity, the output end of cleaning cavity is equipped with the deflector that is arranged in the shell, the filter screen plate is arranged obliquely below the deflector, the cleaning mechanism is installed on the filter screen plate, the discharge port corresponding with the filter screen plate is equipped on the shell, the discharge port is connected with drying box through pipeline.
2. The molding sand casting dedusting device according to claim 1, characterized in that: The transmission mechanism includes a first motor installed on the side of the shell, a first transmission rod connected to the output end of the first motor through a bearing, and a first spiral piece fixedly connected to the first transmission rod.
3. The sand casting dedusting device according to claim 1, characterized in that: The dust removal mechanism includes a dust removal pipe installed on the top of the shell, a dust removal fan provided on the dust removal pipe, and a cloth bag connected to the end of the dust removal pipe.
4. The sand casting cleaning device of claim 1, wherein: The first stirring mechanism includes a second motor installed outside the cleaning cavity, a first rotating shaft connected to the output end of the second motor through a bearing, and a first stirring rod and a second stirring rod installed on the first rotating shaft.
5. The sand casting dedusting device according to claim 4, characterized in that: The first stirring rod includes two first stirring rods, the two first stirring rods penetrate the first rotating shaft and are asymmetrically arranged above and below the first rotating shaft, and the ends of the two first stirring rods are provided with first spiral leaves.
6. The sand casting dedusting device according to claim 4, characterized in that: The second stirring rod includes two second stirring rods, the two second stirring rods are symmetrically arranged on the same side of the first rotating shaft, and the ends of the two second stirring rods are provided with second spiral leaves.
7. The sand casting deduster of claim 1, wherein: The spray mechanism includes a spray head installed on the inner wall of the cleaning cavity, a liquid pump connected to the spray head through a pipeline, and a water storage tank connected to the input end of the liquid pump through a pipeline.
8. The sand casting deduster of claim 1, wherein: The cleaning mechanism includes a third motor installed outside the shell, a second transmission rod provided on the output end of the third motor, and a second spiral piece fixedly connected to the second transmission rod.
9. The sand casting deduster of claim 1, wherein: The deflector is provided with a vibration mechanism, the vibration mechanism includes a vibration motor installed on the shell, a vibration shaft provided on the output end of the vibration motor, and the vibration shaft is connected to the deflector.
10. The sand casting deduster of claim 1, wherein: The drying box is provided with a second stirring mechanism, the second stirring mechanism includes a third motor, a second rotating shaft connected to the output end of the third motor through a bearing, and a stirring blade installed on the second rotating shaft.