Automatic sand screening and sand bean filtering device for sand floating machine
By designing an automatic sand screening filter device on the sand floating machine, the power component drives the screen shaking and vacuum fan to reduce dust, the problem of low sand dripping and artificial sand screening efficiency during the sand floating process is solved, and efficient and accurate Sand filtration improves product quality and production efficiency.
Patent Information
- Application Number
- CN202323479011.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-20
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-20
AI Technical Summary
During precision casting, the paint does not completely solidify during floating sand or pouring sand, causing the sand to drip, forming large sand beans, affecting the quality of the mold shell. The existing artificial sand screening method is inefficient and difficult to control, and is prone to work errors.
An automatic sand screening filter device for sand floating machines is designed, including an operating table, dust cover, screen, power assembly and collection box. The screen jitter is driven by the power assembly, screen sand, and reduce the sand with a vacuum fan. Dust spills out to improve sand screening efficiency and quality.
It greatly improves sand screening efficiency, reduces workers' labor intensity, avoids manual mistakes, ensures efficient filtration and quality of sand, and reduces product defects and production costs.
Smart Images
Figure CN222198788U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of precision casting, in particular to a device for automatically screening sand and filtering sand beans in a floating sand machine. Background Art
[0002] The shell making process in the precision casting industry is mainly as follows: 1. Degreasing and degreasing of the mold. When making the melt mold with wax-based mold materials, in order to improve the ability of the coating to wet the mold surface, the oil stains on the mold surface need to be removed; 2. Applying paint and sanding on the mold; 3. Drying and hardening of the mold shell. After each layer of the mold shell is applied, it is necessary to dry and harden it so that the binder in the coating changes from sol to jelly and gel to connect the refractory materials together; 4. The melt mold is melted away in the mold shell. After the mold shell is completely hardened, the mold needs to be melted away from the mold shell. Because the mold is usually made of wax-based mold materials, this process is also called dewaxing.
[0003] Among them, in the process of coating and sanding on the module, the coating should be stirred evenly before coating, the precipitation of refractory materials in the coating bucket should be reduced as much as possible, and the viscosity or specific gravity of the coating should be adjusted so that the coating can fill and wet the melt mold well. When coating, the module needs to be immersed in the coating and shaken left and right and up and down so that the coating can wet the melt mold well and evenly cover the surface of the module. After the coating is applied, floating sand or sand pouring can be carried out, but because the coating is not completely solidified at this time, it will continue to flow and fall on the melt mold, which makes it inevitable that the coating will drip into the sand during floating sand or sand pouring, causing local sand to condense together and form large sand beans after solidification. The presence of sand beans will have a greater impact on the coating quality of the mold shell, and some sand beans will fall into the holes or grooves of the product, resulting in the inability to fill the sand, resulting in insufficient strength of the mold shell, and the molten steel will penetrate the mold shell during casting, resulting in fire defects and causing the product to be scrapped.
[0004] In order to improve the influence of sand beans on the coating of the mold shell in the prior art, the commonly used operating method in the industry is to manually pour out the sand in the floating sand machine regularly, re-screen it with a screen, and then add the usable sand back into the floating sand machine for use. This process will generate a lot of dust and increase the labor intensity of employees. In addition, it is easy to make work errors and it is difficult to control the work quality during the manual pouring and screening of sand, and it is difficult to completely and effectively control the quality of the screened sand.
[0005] Therefore, in view of the above problems, a device for automatically screening sand and filtering sand beans in a floating sand machine is proposed. Utility Model Content
[0006] In order to make up for the deficiencies of the prior art and solve the problems raised in the above-mentioned background technology, the utility model proposes a device for automatically screening sand and filtering sand beans in a floating sand machine.
[0007] The technical solution adopted by the utility model to solve its technical problems is: the device for automatically screening sand and filtering sand beans in a floating sand machine described in the utility model comprises an operating table, a dust cover is fixedly connected to the top surface of the operating table, a feeding pipe for feeding is arranged on the top surface of the dust cover, a shaking screen is arranged on the top surface of the operating table, a sand bean collecting box for carrying sand beans is fixedly connected to the side wall of the operating table, a sand storage box for carrying sand is fixedly connected to the side wall of the operating table, and a dynamic device for driving the screen to shake is arranged inside the operating table. Force component, when sand needs to be dried, the sand is input through the feed pipe, and the sand falls into the dust cover. The setting of the dust cover makes the raised sand blocked by the dust cover and falls into the dust cover to prevent smoke and dust from overflowing. After the sand is introduced by the feed pipe, it falls on the screen, and the screen begins to shake to screen the sand that falls on the screen. The sand beans mixed in the sand are shaken and fall into the sand bean collection box. The sand after being screened by the screen falls into the sand storage box, so that the sand is filtered by the screen, thereby improving the filtration efficiency of sand filtering sand beans.
[0008] Preferably, the power assembly includes a connecting rod and a rotating rod, the rotating rod is rotatably mounted on the outer wall of the operating table, the connecting rod is rotatably mounted on the outer wall of the screen, the end of the connecting rod away from the screen is rotatably connected to the rotating rod, and a driving motor for driving the rotating rod to rotate is provided inside the operating table, the output shaft of the driving motor is fixedly connected to one end of the rotating rod, when the driving motor is started, the rotating rod is driven to rotate, the end of the rotating rod away from the driving motor is fixedly connected to a cam, the outer wall of the cam is rotatably connected to one end of the connecting rod, when the rotating rod rotates, the connecting rod is driven to reciprocate, and then the screen is driven to reciprocate, so that the screen shakes, and the sand in the screen is shaken and filtered.
[0009] Preferably, a reed is fixedly connected to the outer wall of the operating table, and one end of the reed away from the operating table is fixedly connected to the outer wall of the screen. The reed provides an installation space for the screen, and when the screen shakes, the reed drives the screen to reset, thereby increasing the shaking rate of the screen.
[0010] Preferably, the top surface of the operating table is inclined, and the top surface of the sand bean collecting box is inclined, so that the sand beans can more conveniently slide into the sand bean collecting box along the inclined surface of the outer wall of the sand bean collecting box. At the same time, through the inclined surface setting of the operating table, the screened sand falls into the sand storage box along the inclined surface of the operating table, thereby improving the collection efficiency of sand and sand beans.
[0011] Preferably, the outer wall of the dust cover is fixedly connected to a ventilation pipe, the top surface of the dust cover is fixedly connected to a dust collecting box, and the inner wall of the ventilation pipe is provided with a dust suction fan for dust suction. When sand is introduced into the feed pipe, the dust suction fan is started to attract the raised smoke into the ventilation pipe and then into the dust collecting box, thereby reducing the probability of smoke overflow and reducing the pollution caused by the smoke to the production environment and the external natural environment.
[0012] Preferably, a baffle for preventing sand from splashing is fixedly connected to the outer wall of the screen, and the outer wall of the baffle is inclined. When sand floats on the surface of the screen, the screen continues to shake, and the sand is blocked by the baffle and is not easy to splash out of the range of the screen, so that more sand can be screened by the screen.
[0013] Preferably, a baffle plate is fixedly connected to the bottom surface of the dust cover, and the outer wall of the baffle plate slides in contact with the outer wall of the screen. When the screen shakes, one end of the screen is blocked by the baffle plate, and the end of the screen close to the baffle plate slides downward, causing the screen to tilt toward the sand bean collection box, causing the sand beans in the screen to slide out of the screen and into the sand bean collection box.
[0014] The utility model is beneficial in that:
[0015] The utility model discloses to filter sand by setting the screen, compared with the traditional method of manually pouring sand and screening sand to filter sand, the efficiency of screening sand and filtering sand is greatly improved, and the labor intensity of workers is reduced, and the influence of manual work errors on the screening sand and filtering effect is also avoided, which is beneficial to ensure the quality of screening sand and filtering sand, and then ensure the quality of floating sand, avoid product defects or scrapping, and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the installation of the dust collecting fan in the utility model;
[0019] Figure 3 This is a schematic diagram of the installation of the screen in the utility model;
[0020] Figure 4 It is a structural schematic diagram of the operating table in the utility model.
[0021] In the figure: 1. operating table; 2. dust cover; 3. sand bean collecting box; 4. sand storage box; 5. feeding pipe; 6. ventilation pipe; 7. dust suction fan; 8. dust collecting box; 9. baffle plate; 10. reed; 11. screen; 12. connecting rod; 13. rotating rod. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1
[0023] See also Figure 1-4 As shown, a device for automatically screening sand and filtering sand beans in a floating sand machine comprises an operating table 1, the top surface of the operating table 1 is fixedly connected with a dust cover 2, the top surface of the dust cover 2 is provided with a feeding pipe 5 for feeding, when sand needs to be dried, the sand is input through the feeding pipe 5, and the sand falls into the dust cover 2. Through the setting of the dust cover 2, the raised sand is blocked by the dust cover 2 and falls into the dust cover 2 to prevent smoke and dust from overflowing.
[0024] A shakeable screen 11 is provided on the top surface of the operating table 1, a sand bean collecting box 3 for carrying sand beans is fixedly connected to the side wall of the operating table 1, a sand storage box 4 for carrying sand is fixedly connected to the side wall of the operating table 1, and a power component for driving the screen 11 to shake is provided inside the operating table 1. After the sand is introduced by the feed pipe 5, it falls on the screen 11, and the screen 11 starts to shake to screen the sand falling on the screen 11. The sand beans mixed in the sand are shaken and fall into the sand bean collecting box 3. The sand screened by the screen 11 falls into the sand storage box 4, so that the sand is filtered by the screen 11, thereby improving the filtering efficiency of sand filtering sand beans.
[0025] The power assembly includes a connecting rod 12 and a rotating rod 13. The rotating rod 13 is rotatably installed on the outer wall of the operating table 1. The connecting rod 12 is rotatably installed on the outer wall of the screen 11. The end of the connecting rod 12 away from the screen 11 is rotatably connected to the rotating rod 13. A driving motor for driving the rotating rod 13 to rotate is arranged inside the operating table 1. The output shaft of the driving motor is fixedly connected to one end of the rotating rod 13. When the driving motor is started, the rotating rod 13 is driven to rotate. A cam is fixedly connected to the end of the rotating rod 13 away from the driving motor. The outer wall of the cam is rotatably connected to one end of the connecting rod 12. When the rotating rod 13 rotates, the connecting rod 12 is driven to reciprocate, and then the screen 11 is driven to reciprocate, so that the screen 11 is shaken, and the sand in the screen 11 is shaken and filtered. Example 2
[0026] See also Figure 1-4As shown, in comparison with Example 1, as another implementation of the utility model, a reed 10 is fixedly connected to the outer wall of the operating table 1, and one end of the reed 10 away from the operating table 1 is fixedly connected to the outer wall of the screen 11. The reed 10 provides an installation space for the screen 11. When the screen 11 shakes, the reed 10 drives the screen 11 to reset, thereby increasing the shaking rate of the screen 11.
[0027] The top surface of the operating table 1 is inclined, and the top surface of the sand bean collecting box 3 is inclined, so that the sand beans can more conveniently slide into the sand bean collecting box 3 along the inclined surface of the outer wall of the sand bean collecting box 3. At the same time, through the inclined surface setting of the operating table 1, the screened sand falls into the sand storage box 4 along the inclined surface of the operating table 1, thereby improving the collection efficiency of sand and sand beans.
[0028] The outer wall of the dust cover 2 is fixedly connected with a ventilation pipe 6, the top surface of the dust cover 2 is fixedly connected with a dust collecting box 8, and the inner wall of the ventilation pipe 6 is provided with a dust suction fan 7 for dust suction. When sand is introduced into the feed pipe 5, the dust suction fan 7 is started to attract the raised smoke and dust into the ventilation pipe 6 and then into the dust collecting box 8, thereby reducing the probability of smoke and dust overflowing and reducing the pollution caused by the smoke and dust to the production environment and the external natural environment.
[0029] The outer wall of the screen 11 is fixedly connected with a baffle for preventing sand from splashing. The outer wall of the baffle is inclined. When sand floats on the surface of the screen 11, the screen 11 continues to shake, and the sand is blocked by the baffle and is not easy to splash out of the range of the screen 11, so that more sand is screened by the screen 11.
[0030] A blocking plate 9 is fixedly connected to the bottom surface of the dust cover 2, and the outer wall of the blocking plate 9 is slidably fitted with the outer wall of the screen 11. When the screen 11 shakes, one end of the screen 11 is blocked by the blocking plate 9, and the end of the screen 11 close to the blocking plate 9 slides downward, causing the screen 11 to tilt toward the sand bean collecting box 3, so that the sand beans in the screen 11 slide out of the screen 11 and enter the sand bean collecting box 3.
[0031] Working principle: when using the utility model, start the driving motor and the dust suction fan 7, introduce sand from the feed pipe 5, the raised smoke is attracted by the dust suction fan 7 and enters the dust collecting box 8, the screen 11 screens the sand, and the sand beans mixed in the sand slide into the sand bean collecting box 3. After the sand is screened, it slides along the top surface of the operating table 1 into the sand storage box 4, thereby achieving the effect of screening the sand beans.
[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A device for automatically screening sand and filtering sand beans in a floating sand machine, characterized in that: The invention comprises an operating table (1), the top surface of the operating table (1) being fixedly connected to a dust cover (2), the top surface of the dust cover (2) being provided with a feeding pipe (5) for feeding materials, the top surface of the operating table (1) being provided with a shakeable screen (11), the side wall of the operating table (1) being fixedly connected to a sand bean collecting box (3) for carrying sand beans, the side wall of the operating table (1) being fixedly connected to a sand storage box (4) for carrying sand, and a power component for driving the screen (11) to shake being provided inside the operating table (1).
2. The device for automatically screening sand and filtering sand beans in a floating sand machine according to claim 1, characterized in that: The power assembly comprises a connecting rod (12) and a rotating rod (13); the rotating rod (13) is rotatably mounted on the outer wall of the operating table (1); the connecting rod (12) is rotatably mounted on the outer wall of the screen (11); one end of the connecting rod (12) away from the screen (11) is rotatably connected to the rotating rod (13); and a driving motor for driving the rotating rod (13) to rotate is arranged inside the operating table (1).
3. The device for automatically screening sand and filtering sand beans in a floating sand machine according to claim 2, characterized in that: A reed (10) is fixedly connected to the outer wall of the operating table (1), and one end of the reed (10) away from the operating table (1) is fixedly connected to the outer wall of the screen (11).
4. The device for automatically screening sand and filtering sand beans in a floating sand machine according to claim 3, characterized in that: The top surface of the operating table (1) is arranged tilted, and the top surface of the sand bean collection box (3) is arranged tilted.
5. The device for automatically screening sand and filtering sand beans in a floating sand machine according to claim 4, characterized in that: The outer wall of the dust cover (2) is fixedly connected to a ventilation pipe (6), the top surface of the dust cover (2) is fixedly connected to a dust collection box (8), and the inner wall of the ventilation pipe (6) is provided with a dust collecting fan (7) for collecting dust.
6. The device for automatically screening sand and filtering sand beans in a floating sand machine according to claim 5, characterized in that: A baffle plate for preventing sand from splashing is fixedly connected to the outer wall of the screen (11), and the outer wall of the baffle plate is arranged obliquely.
7. The device for automatically screening sand and filtering sand beans in a floating sand machine according to claim 6, characterized in that: A baffle plate (9) is fixedly connected to the bottom surface of the dust cover (2), and the outer wall of the baffle plate (9) is slidably fitted with the outer wall of the screen (11).