CN113118421A - Cast iron well lid surface layer sand removing structure device and dust removing method thereof - Google Patents
Cast iron well lid surface layer sand removing structure device and dust removing method thereof Download PDFInfo
- Publication number
- CN113118421A CN113118421A CN202110378265.5A CN202110378265A CN113118421A CN 113118421 A CN113118421 A CN 113118421A CN 202110378265 A CN202110378265 A CN 202110378265A CN 113118421 A CN113118421 A CN 113118421A
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- cast iron
- sand
- sand removing
- scraper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/02—Vibratory apparatus specially designed for shaking out flasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D45/00—Equipment for casting, not otherwise provided for
- B22D45/005—Evacuation of fumes, dust or waste gases during manipulations in the foundry
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Abstract
The invention discloses a sand removing structure device for a cast iron well lid surface layer and a dust removing method thereof, and belongs to the technical field of sand removing of the cast iron well lid surface layer. The sand removing structure device and the dust removing method thereof for the surface layer of the cast iron well lid can effectively remove sand, increase the sand removing speed, improve the stability during rotation and ensure the positioning efficiency, and the main cylinder can drive the pressing plate to move backwards so that the cast iron well lid body is convenient to detach from the rotating bearing, improve the dismounting convenience, recycle, improve the production benefit, reduce the production cost, remove dust, prevent excessive dust from influencing the processing environment, ensure the quality of the recycled gravel and increase the dust removing efficiency of the whole device.
Description
Technical Field
The invention relates to the technical field of sand removal of a surface layer of a cast iron well lid, in particular to a sand removal structure device of the surface layer of the cast iron well lid and a dust removal method thereof.
Background
The nodular cast iron well lid is one of nodular cast iron products, nodular cast iron is treated by spheroidization and inoculation to obtain spheroidal graphite, the mechanical property of the nodular cast iron is effectively improved, the plasticity and the toughness are particularly improved, so that the strength higher than that of carbon steel is obtained, the nodular cast iron well lid is widely applied in the fields of municipal engineering and the like, along with the development of the society, the requirement on the productivity is higher and higher, the requirement on the quality of the products is higher and higher, the nodular cast iron well lid needs to be dedusted before being baked with paint, casting is a common technology for casting molten metal liquid into a mold to form a finished product, and the mold is made of molding sand, so after the nodular cast iron well lid is demoulded, the surface of the nodular cast iron well lid is stained or embedded into a layer of molding sand in a. At present with the equipment of cleaing away the molding sand on nodular cast iron well lid surface, generally adopt the air hammer to vibrate the foundry goods, through the vibration to nodular cast iron well lid, reach the purpose of getting rid of nodular cast iron well lid surface molding sand. The sand removing equipment has the defects of large vibration, difficult control, poor sand removing effect, low production efficiency, high labor intensity, casting cracking, collision and a large amount of dust, and the existing dust removing mode of the nodular cast iron well lid is basically manual operation, so that the operation is complex, the consumed time is long, and the dust removing effect is not good.
Disclosure of Invention
The invention aims to provide a sand removing structure device for the surface layer of a cast iron well lid and a dust removing method thereof, which can effectively remove sand, increase the sand removing speed, improve the stability during rotation and ensure the positioning efficiency, and a main cylinder can drive a pressing plate to move backwards so that the cast iron well lid is convenient to detach from a rotating bearing, improve the convenience of detachment and installation, recycle, improve the production benefit, reduce the production cost, remove dust, prevent excessive dust from influencing the processing environment, ensure the quality of gravel after recovery and increase the dust removing efficiency of the whole device, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cast iron well lid top layer desanding structure device, includes outer box, the desanding groove is seted up to outer box inside, sets up the desanding device on the outer box at desanding groove both ends, sets up power component on the outer box of desanding device below, the top of outer box sets up protector, and the below of outer box sets up collection device.
Furthermore, the sand removing groove is arranged at the center of the outer box body, a box door is arranged at the side end of the outer box body, and an outlet of the box door is communicated with the inside of the sand removing groove.
Further, the sand removing device comprises a fixing rod, a rotating bearing, a sand scraping assembly and a pressing and fixing device, one end of the fixing rod is fixed to the inner wall of the sand removing groove, the rotating bearing is sleeved on one end of the fixing rod, the sand scraping assembly is fixedly sleeved on the fixing rod at the front end of the rotating bearing, and a cast iron well cover body to be subjected to sand removing is sleeved on the rotating bearing.
Further, the sand scraping component comprises a first scraper, a second scraper, a third scraper, a sand removing brush and a fixing ring, the first scraper, the second scraper and the third scraper are all fixed on the fixing ring, the sand removing brush attached to the surface of the cast iron well cover body to be subjected to sand removing is arranged on the inner end face of the first scraper, the second scraper and the third scraper, and the fixing ring is fixed on the fixing rod.
Furthermore, the pressing and fixing device comprises a main cylinder, a pressing and fixing column, a pressing plate, a butt joint sleeve, a fitting plate and a guide cylinder, the output end of the main cylinder is connected with the pressing and fixing column, one end of the pressing and fixing column is connected with the butt joint sleeve, the two sides of the main cylinder are respectively provided with the guide cylinder, a telescopic rod at the output end of the guide cylinder penetrates through the pressing plate to be connected with the fitting plate, and the butt joint sleeve is sleeved on the rotating bearing in an inserting and combining mode.
Furthermore, the power assembly comprises a main motor, a rotating rod, a sleeving ring and an internal connecting groove, wherein the front end of the main motor is connected with the rotating rod, the sleeving ring is fixed on the rotating rod, the internal connecting groove is formed in the middle of the sleeving ring, and the internal connecting groove is used for being in butt joint with the lower end of the cast iron well cover body to be desanded.
Further, protector includes protective cover and shroud, and the protective cover is fixed in the top of outer box, and the top of protective cover passes through bearing swing joint shroud.
Further, the collecting device comprises a material guide hopper, a material outlet, a collecting box and rollers, the material guide hopper is arranged at the bottom end of the outer box body, the material outlet is connected below the material guide hopper, the collecting box is arranged below the material outlet, and the rollers are arranged below the collecting box.
Further, set up dust collector between outer box and the collection device, dust collector includes adsorption plate, adsorption tank, filter screen, air exhauster, meticulous filter screen, dust storage tank and goes up the hair-dryer, and the below of adsorption plate sets up adsorption tank, sets up filter screen and meticulous filter screen in the adsorption tank, and dust storage tank is seted up to the below of meticulous filter screen, and the trailing end connection air exhauster of adsorption tank goes up the hair-dryer and fixes on the cover, and the air outlet setting of going up the hair-dryer is in the top of sand removing device.
The invention provides another technical scheme: a dust removal method of a sand removal structure device for a cast iron well lid surface layer comprises the following steps:
the method comprises the following steps: the main motor drives the sleeve ring to rotate, and the sleeve ring drives the cast iron manhole cover body to be desanded in the internal connecting groove to rotate on the rotating bearing during rotation;
step two: when the cast iron well cover body rotates, the sand removing brushes on the first scraping plate, the second scraping plate and the third scraping plate scrape the surfaces of the cast iron well cover body, and gravel on the surface of the cast iron well cover body is removed;
step three: air exhauster and last hair-dryer open at the desanding in-process, go up the grit that the hair-dryer will get rid of and blow down, sink dust and grit, the air exhauster is taken out under the below, takes out the grit dust from the adsorption plate in the adsorption tank, advances to discharge gas after filtering.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a sand removing structure device for a cast iron well lid surface layer and a dust removing method thereof.A guide cylinder is respectively arranged at two sides of a main cylinder, a telescopic rod at the output end of the guide cylinder penetrates through a pressing plate to be connected with an attaching plate, a butt joint sleeve is inserted and sleeved on a rotating bearing, sand removing brushes on a first scraper, a second scraper and a third scraper scrape the surfaces of the guide cylinder and remove gravels on the surface of the cast iron well lid, so that the sand can be effectively removed, the sand removing speed is increased, the surface of the cast iron well lid is effectively fixed on the rotating bearing through a pressing and fixing device, the stability during rotation is improved, the positioning efficiency is ensured, and the main cylinder can drive the pressing plate to move backwards to enable the cast iron well lid to be conveniently detached from the rotating bearing.
2. According to the sand removing structure device for the surface layer of the cast iron well lid and the dust removing method thereof, the discharge port is connected below the guide hopper, the collecting box is arranged below the discharge port, the roller wheels are arranged below the collecting box, and the guide hopper collects and recycles the recovered gravel, so that the production benefit is improved, and the production cost is reduced.
3. The invention provides a sand removing structure device for a surface layer of a cast iron well lid and a dust removing method thereof.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a half sectional view of the outer case structure of the present invention;
FIG. 3 is a schematic structural view of a desanding device according to the present invention;
FIG. 4 is a schematic structural view of a sand scraping assembly of the present invention;
FIG. 5 is a press-fixing device of the present invention;
FIG. 6 is a schematic view of the power assembly of the present invention;
FIG. 7 is a cross-sectional view of the collection device and guard structure of the present invention;
FIG. 8 is a sectional view of the dust removing device of the present invention.
In the figure: 1. an outer case; 11. a sand removal groove; 12. a box door; 2. a sand removal device; 21. fixing the rod; 22. a rotating bearing; 23. a sand scraping assembly; 231. a first squeegee; 232. a second squeegee; 233. a third squeegee; 234. removing the sand brush; 235. a fixing ring; 24. a pressing device; 241. a master cylinder; 242. pressing and fixing the column; 243. pressing a plate; 244. butting a sleeve; 245. attaching a plate; 246. a guide cylinder; 3. a power assembly; 31. a main motor; 32. a rotating rod; 33. a sleeving connection ring; 34. an interconnecting slot; 4. a guard; 41. a protective cover; 42. a cover; 5. a collection device; 51. a material guide hopper; 52. a discharge port; 53. a collection box; 54. a roller; 6. a dust removal device; 61. an adsorption plate; 62. an adsorption tank; 63. a filter screen; 64. an exhaust fan; 65. fine filtering net; 66. a dust storage tank; 67. and (4) an upper blower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a sand removing structure device for a surface layer of a cast iron manhole cover and a dust removing method thereof include an outer box 1, a sand removing groove 11 is formed in the outer box 1, sand removing devices 2 are arranged on the outer box 1 at two ends of the sand removing groove 11, a power assembly 3 is arranged on the outer box 1 below the sand removing devices 2, a protection device 4 is arranged above the outer box 1, a collection device 5 is arranged below the outer box 1, the sand removing groove 11 is formed in the center of the outer box 1, a door 12 is arranged at the side end of the outer box 1, and an outlet of the door 12 is communicated with the inside of the sand removing groove 11.
Referring to fig. 3-5, the sand removing device 2 includes a fixing rod 21, a rotating bearing 22, a sand scraping assembly 23 and a pressing device 24, one end of the fixing rod 21 is fixed on the inner wall of the sand removing tank 11, one end of the fixing rod 21 is sleeved with the rotating bearing 22, the fixing rod 21 at the front end of the rotating bearing 22 is fixedly sleeved with the sand scraping assembly 23, the rotating bearing 22 is sleeved with a cast iron well cover body to be sand removed, the sand scraping assembly 23 includes a first scraper 231, a second scraper 232, a third scraper 233, a sand removing brush 234 and a fixing ring 235, the first scraper 231, the second scraper 232 and the third scraper 233 are all fixed on the fixing ring 235, the inner end surfaces of the first scraper 231, the second scraper 232 and the third scraper 233 are provided with the sand removing brush 234 attached to the surface of the cast iron well cover body to be sand removed, the fixing ring 235 is fixed on the fixing rod 21, the pressing device 24 includes a main cylinder 241, a pressing column 242, a pressing plate 243, Attaching plate 245 and direction cylinder 246, the consolidated post 242 is connected to main cylinder 241 output, butt joint sleeve 244 is connected to consolidated post 242 one end, main cylinder 241 both sides set up direction cylinder 246 respectively, the telescopic link of the output of direction cylinder 246 runs through clamp plate 243 and is connected with attaching plate 245, butt joint sleeve 244 inserts to cup joint on rolling bearing 22, first scraper blade 231, second scraper blade 232, the sand removal brush 234 on the third scraper blade 233 scrapes its surface, get rid of the grit on cast iron well lid surface, can effectual sand removal, increase the degritting speed, and effectively fix cast iron well lid surface on rolling bearing 22 through consolidating device 24, stability when improving the rotation, guarantee its location efficiency, and main cylinder 241 can drive clamp plate 243 backward makes the cast iron well lid convenient to dismantle from rolling bearing 22, improve the dismouting convenience.
Referring to fig. 6, the power assembly 3 includes a main motor 31, a rotating rod 32, a sleeve ring 33 and an inner groove 34, the rotating rod 32 is connected to the front end of the main motor 31, the sleeve ring 33 is fixed on the rotating rod 32, the inner groove 34 is formed in the middle of the sleeve ring 33, the inner groove 34 is used for being abutted to the lower end of the cast iron well cover body to be desanded, the main motor 31 drives the sleeve ring 33 to rotate, and the sleeve ring 33 drives the cast iron well cover body to be desanded in the inner groove 34 to rotate on the rotating bearing 22 during rotation, so that the cast iron well cover body is effectively rotated.
Referring to fig. 7, the protection device 4 includes a protection cover 41 and a cover 42, the protection cover 41 is fixed above the outer box 1, the top end of the protection cover 41 is movably connected to the cover 42 through a bearing, the collection device 5 includes a material guide hopper 51, a material outlet 52, a collection box 53 and a roller 54, the material guide hopper 51 is disposed at the bottom end of the outer box 1, the material outlet 52 is connected to the lower side of the material guide hopper 51, the collection box 53 is disposed below the material outlet 52, the roller 54 is disposed below the collection box 53, and the material guide hopper 51 collects the recycled gravel for recycling, thereby improving the production efficiency and reducing the production cost.
Referring to fig. 8, a dust removing device 6 is arranged between an outer box 1 and a collecting device 5, the dust removing device 6 comprises an adsorption plate 61, an adsorption tank 62, a filter screen 63, an exhaust fan 64, a fine filter screen 65, a dust storage tank 66 and an upper blower 67, the adsorption tank 62 is arranged below the adsorption plate 61, the filter screen 63 and the fine filter screen 65 are arranged in the adsorption tank 62, the dust storage tank 66 is arranged below the fine filter screen 65, the tail end of the adsorption tank 62 is connected with the exhaust fan 64, the upper blower 67 is fixed on a cover 42, an air outlet of the upper blower 67 is arranged above a sand removing device 2, the exhaust fan 64 and the upper blower 67 are opened during the sand removing process, the upper blower 67 blows down the removed sand gravel to sink the dust and the gravel, the exhaust fan 64 draws down the dust and the gravel from the adsorption plate 61 into the adsorption tank 62, the air is exhausted after being filtered, during the collecting process, get rid of to the dust, prevent that the too much influence processing environment of dust, guarantee the grit quality after retrieving, increase whole device dust collection efficiency.
In order to better show the process of the sand removing structure device on the surface layer of the cast iron manhole cover, the embodiment provides a dust removing method of the sand removing structure device on the surface layer of the cast iron manhole cover, which comprises the following steps:
the method comprises the following steps: the main motor 31 drives the sleeve ring 33 to rotate, and the sleeve ring 33 drives the cast iron manhole cover body to be desanded in the inner connecting groove 34 to rotate on the rotating bearing 22 during rotation;
step two: when the cast iron well cover body rotates, the sand removing brushes 234 on the first scraper 231, the second scraper 232 and the third scraper 233 scrape the surfaces of the cast iron well cover body to remove gravel on the surface of the cast iron well cover body;
step three: in the sand removing process, the suction fan 64 and the upper blower 67 are started, the upper blower 67 blows the removed gravel downwards to sink the dust and the gravel, the suction fan 64 sucks the gravel dust downwards from the adsorption plate 61 into the adsorption box 62, and the gas is exhausted after being filtered.
In summary, the sand removing structure device for the surface layer of the cast iron well lid and the dust removing method thereof provided by the present invention are characterized in that the two sides of the main cylinder 241 are respectively provided with the guiding cylinder 246, the telescopic rod at the output end of the guiding cylinder 246 penetrates the pressing plate 243 to be connected with the joint plate 245, the joint sleeve 244 is inserted and sleeved on the rotating bearing 22, the sand removing brushes 234 on the first scraper 231, the second scraper 232 and the third scraper 233 scrape the surfaces of the cast iron well lid, remove the gravel on the surface of the cast iron well lid, effectively remove the sand, increase the sand removing speed, effectively fix the surface of the cast iron well lid on the rotating bearing 22 through the pressing and fixing device 24, improve the stability during rotation, ensure the positioning efficiency, and the main cylinder 241 can drive the pressing plate 243 to move backwards to facilitate the disassembly of the cast iron well lid from the rotating bearing 22, improve the convenience of disassembly and assembly, the discharge port 52 is connected below the guide hopper, the below of collecting box 53 is provided with gyro wheel 54, the grit of retrieving is collected to guide hopper 51, carry out recycle, the productivity effect is improved, reduce manufacturing cost, the trailing end connection air exhauster 64 of adsorption tank 62, it fixes on shroud 42 to go up hair-dryer 67, the air outlet setting of going up hair-dryer 67 is in the top of sand removing device 2, air exhauster 64 and last hair-dryer 67 open at the sand removing in-process, it blows down to go up the grit that hair-dryer 67 will get rid of, sink dust and grit, air exhauster 64 takes out under the below, take out the dust from adsorption plate 61 in the grit adsorption tank 62, advance to filter the back with gas outgoing, in the process of collecting, get rid of to the dust, prevent that the too much influence processing environment of dust, guarantee the grit quality after retrieving, increase whole device dust collection efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a cast iron well lid top layer sand removal constructional device which characterized in that: including outer box (1), sand removal groove (11) are seted up to outer box (1) inside, set up on outer box (1) at sand removal groove (11) both ends sand removal device (2), set up power component (3) on outer box (1) of sand removal device (2) below, the top of outer box (1) sets up protector (4), and the below of outer box (1) sets up collection device (5).
2. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 1, wherein: the sand removing groove (11) is arranged at the center of the outer box body (1), a box door (12) is arranged at the side end of the outer box body (1), and the outlet of the box door (12) is communicated with the inside of the sand removing groove (11).
3. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 2, wherein: the sand removing device (2) comprises a fixing rod (21), a rotating bearing (22), a sand scraping assembly (23) and a pressing device (24), one end of the fixing rod (21) is fixed on the inner wall of the sand removing groove (11), one end of the fixing rod (21) is sleeved with the rotating bearing (22), the fixed sleeve joint of the sand scraping assembly (23) is arranged on the fixing rod (21) at the front end of the rotating bearing (22), and a cast iron well cover body to be subjected to sand removing is sleeved on the rotating bearing (22).
4. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 3, wherein: the sand scraping component (23) comprises a first scraper (231), a second scraper (232), a third scraper (233), a sand removing brush (234) and a fixing ring (235), the first scraper (231), the second scraper (232) and the third scraper (233) are all fixed on the fixing ring (235), the sand removing brush (234) which is attached to the surface of the cast iron well cover body to be subjected to sand removing is arranged on the inner end faces of the first scraper (231), the second scraper (232) and the third scraper (233), and the fixing ring (235) is fixed on the fixing rod (21).
5. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 4, wherein: the pressing and fixing device (24) comprises a main cylinder (241), pressing and fixing columns (242), a pressing plate (243), a butt joint sleeve (244), a laminating plate (245) and a guide cylinder (246), the output end of the main cylinder (241) is connected with the pressing and fixing columns (242), one end of each pressing and fixing column (242) is connected with the butt joint sleeve (244), the two sides of the main cylinder (241) are respectively provided with the guide cylinder (246), an expansion rod of the output end of the guide cylinder (246) penetrates through the pressing plate (243) to be connected with the laminating plate (245), and the butt joint sleeve (244) is sleeved on the rotating bearing (22) in an inserting mode.
6. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 5, wherein: the power assembly (3) comprises a main motor (31), a rotating rod (32), a sleeve joint ring (33) and an internal connecting groove (34), the rotating rod (32) is connected with the front end of the main motor (31), the sleeve joint ring (33) is fixed on the rotating rod (32), the internal connecting groove (34) is formed in the middle of the sleeve joint ring (33), and the internal connecting groove (34) is used for being in butt joint with the lower end of a cast iron well cover body to be subjected to sand removal.
7. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 6, wherein: protector (4) include protective cover (41) and shroud (42), and protective cover (41) are fixed in the top of outer box (1), and bearing swing joint shroud (42) are passed through to the top of protective cover (41).
8. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 7, wherein: the collecting device (5) comprises a material guide hopper (51), a material outlet (52), a collecting box (53) and rollers (54), the material guide hopper (51) is arranged at the bottom end of the outer box body (1), the material outlet (52) is connected below the material guide hopper (51), the collecting box (53) is arranged below the material outlet (52), and the rollers (54) are arranged below the collecting box (53).
9. The sand removing structure device for the surface layer of the cast iron manhole cover according to claim 8, wherein: set up dust collector (6) between outer box (1) and collection device (5), dust collector (6) are including adsorption plate (61), adsorption tank (62), filter screen (63), air exhauster (64), meticulous filter screen (65), dust storage tank (66) and last hair-dryer (67), the below of adsorption plate (61) sets up adsorption tank (62), set up filter screen (63) and meticulous filter screen (65) in adsorption tank (62), dust storage tank (66) are seted up to the below of meticulous filter screen (65), trailing end connection air exhauster (64) of adsorption tank (62), it fixes on shroud (42) to go up hair-dryer (67), the air outlet setting of going up hair-dryer (67) is in the top of sand removal device (2).
10. The dust removal method of the sand removal structure device for the surface layer of the cast iron manhole cover according to claim 9, wherein the method comprises the following steps: the method comprises the following steps:
the method comprises the following steps: the main motor (31) drives the sleeve ring (33) to rotate, and the sleeve ring (33) drives the cast iron well cover body to be desanded in the internal connecting groove (34) to rotate on the rotating bearing (22) during rotation;
step two: when the cast iron well cover body rotates, the sand removing brushes (234) on the first scraper (231), the second scraper (232) and the third scraper (233) scrape the surfaces of the cast iron well cover body to remove gravel on the surface of the cast iron well cover body;
step three: in the sand removing process, an exhaust fan (64) and an upper blower (67) are started, the upper blower (67) blows the removed gravel downwards to sink the dust and the gravel, the exhaust fan (64) sucks the dust downwards to suck the gravel dust from an adsorption plate (61) into an adsorption box (62), and the gas is exhausted after being filtered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378265.5A CN113118421A (en) | 2021-04-08 | 2021-04-08 | Cast iron well lid surface layer sand removing structure device and dust removing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378265.5A CN113118421A (en) | 2021-04-08 | 2021-04-08 | Cast iron well lid surface layer sand removing structure device and dust removing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113118421A true CN113118421A (en) | 2021-07-16 |
Family
ID=76775647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110378265.5A Withdrawn CN113118421A (en) | 2021-04-08 | 2021-04-08 | Cast iron well lid surface layer sand removing structure device and dust removing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113118421A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531983A (en) * | 2024-01-09 | 2024-02-09 | 鸡泽县恒阳铸造有限公司 | Sand shakeout machine for producing well lid |
-
2021
- 2021-04-08 CN CN202110378265.5A patent/CN113118421A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531983A (en) * | 2024-01-09 | 2024-02-09 | 鸡泽县恒阳铸造有限公司 | Sand shakeout machine for producing well lid |
| CN117531983B (en) * | 2024-01-09 | 2024-03-26 | 鸡泽县恒阳铸造有限公司 | Sand shakeout machine for producing well lid |
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Application publication date: 20210716 |