CN218107765U - A smash screening plant for tectorial membrane sand - Google Patents
A smash screening plant for tectorial membrane sand Download PDFInfo
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- CN218107765U CN218107765U CN202221194556.5U CN202221194556U CN218107765U CN 218107765 U CN218107765 U CN 218107765U CN 202221194556 U CN202221194556 U CN 202221194556U CN 218107765 U CN218107765 U CN 218107765U
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Abstract
The utility model relates to a tectorial membrane sand technical field, concretely relates to smash screening plant for tectorial membrane sand. The device comprises a machine body, wherein a crushing box is arranged in the machine body, a crushing shaft is connected with a driving mechanism in a transmission way, and the crushing shaft penetrates through the top of the machine body and extends into the crushing box; a plurality of first crushing rollers are symmetrically arranged on the crushing shaft, second crushing rollers are symmetrically arranged on the crushing shaft, and a plurality of crushing knives are arranged at the bottom of each second crushing roller; the lower end of the crushing shaft is provided with a spiral lifting blade, the bottom of the crushing box is sleeved with a screening barrel, and the bottom of the screening barrel is provided with a first screen; a first vibrating mechanism is arranged below the first screen, a second screen is arranged below the connecting rod, and a screening outlet corresponding to the second screen is arranged on the outer side of the machine body. The utility model discloses can effectual promotion improve crushing efficiency to the crushing effect of tectorial membrane sand, guarantee that the particle diameter of tectorial membrane sand accords with the processing requirement of casting process.
Description
Technical Field
The utility model relates to a tectorial membrane sand technical field, concretely relates to smash screening plant for tectorial membrane sand.
Background
The method is characterized in that the method comprises the following steps of (1) coating sand, namely coating molding sand or core sand with a layer of cured resin film before the surface of sand grains are molded, wherein the method mainly comprises two coating processes of a cold method and a hot method: dissolving the resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the urotropine and the sand on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; the hot method includes preheating sand to certain temperature, adding resin to melt, stirring to coat resin on the surface of sand, adding urotropine aqua and lubricant, cooling, crushing and sieving to obtain coated sand for steel casting and iron casting.
Need smash and sieve in the tectorial membrane sand production process to obtain the tectorial membrane sand that the texture is even, the particle diameter is unified, so that the granularity of tectorial membrane sand satisfies the processing requirement of later stage casting process, prior art when smashing tectorial membrane sand, has kibbling effect poor, smashes the shortcoming of inefficiency, can not guarantee whether the particle diameter of tectorial membrane sand accords with the processing requirement simultaneously.
Disclosure of Invention
The utility model discloses a solve prior art when smashing tectorial membrane sand, kibbling effect is poor, inefficiency, can not guarantee whether the particle diameter of tectorial membrane sand accords with the problem of processing requirement, provides a crushing screening plant for tectorial membrane sand, makes to improve the crushing effect to the tectorial membrane sand, improves crushing efficiency, guarantees that the particle diameter of tectorial membrane sand accords with the processing requirement of casting technology.
In order to realize the purpose, the technical scheme of the utility model is that: a crushing and screening device for precoated sand comprises a machine body, wherein a crushing box is arranged in the machine body, a driving mechanism is arranged at the top of the machine body, the driving mechanism is connected with a crushing shaft in a transmission manner, and the crushing shaft penetrates through the top of the machine body and extends into the crushing box; a plurality of first crushing rollers are symmetrically arranged on the crushing shaft, second crushing rollers are also symmetrically arranged on the crushing shaft, the second crushing rollers are positioned below the first crushing rollers, and a plurality of crushing knives are arranged at the bottom of the second crushing rollers; the lower end of the crushing shaft is provided with a spiral lifting blade. The driving mechanism can drive the crushing shaft to rotate, and then drives the first crushing roller and the second crushing roller which are installed on the crushing shaft to rotate, so that the first crushing roller and the second crushing roller machine stir and crush the precoated sand.
The bottom of the crushing box is sleeved with a screening cylinder, and the bottom of the screening cylinder is provided with a first screen; first screen cloth below is provided with first vibration mechanism, first vibration mechanism sets up the connecting rod on the organism including the symmetry, two be provided with the motor cabinet between the connecting rod, install a vibrating motor on the motor cabinet, a vibrating motor is connected with the vibration board, and the vibration board is installed in first screen cloth bottom. First vibration mechanism can drive first screen cloth and vibrate, and then sieves out the less tectorial membrane sand of particle size.
A second screen is arranged below the connecting rod, the second screen is arranged in the machine body in an angled manner, and a screening outlet corresponding to the second screen is arranged on the outer side of the machine body; the second screen is also connected with a second vibrating mechanism, and a discharge hole is formed below the second screen. The screening holes of the first screen are larger than the screening openings of the second screen, and the precoated sand screened by the screening openings of the second screen meets the processing requirements of a casting process.
Furthermore, the feed inlet has been seted up at the organism top, and feed inlet department installs the feeding cover, and the feeding cover is installed at the organism top. When the precoated sand is crushed and sieved, the precoated sand is added into the crushing box from the feeding cover.
Further, a material baffle plate is arranged below the feeding hole, and the material baffle plate is installed on the crushing box at an angle and is located in the crushing box. The striker plate can prevent that the tectorial membrane sand from piling up the one side of smashing the incasement, and then makes first crushing roller and second crushing roller even to tectorial membrane sand breakage.
Furthermore, the driving mechanism comprises a transmission motor and a mounting seat, the transmission motor is arranged on the mounting seat, an output shaft of the transmission motor is connected with a first gear, the first gear is in meshing transmission with a second gear, and the second gear is arranged at the upper end of the crushing shaft. The transmission motor drives the first gear to rotate, and the first gear drives the second gear to rotate, so that the crushing shaft rotates in the crushing box.
Furthermore, the top of the screening cylinder is provided with a sliding groove, and the bottom of the crushing box is positioned in the sliding groove and is in sliding connection with the screening cylinder. When first vibration mechanism drives first screen cloth and carries out the shale shaker, can make a screening section of thick bamboo slide in smashing the bottom of the case portion, make first screen cloth better to the screening effect of tectorial membrane sand.
Further, still be equipped with buffer spring between first screen cloth and the connecting rod, buffer spring's one end is connected with first screen cloth, and the other end is connected with the fixed plate, the fixed plate is installed on the connecting rod. The buffer spring plays a role of buffering.
Further, the second vibration mechanism comprises a second vibration motor, an output shaft of the second vibration motor is connected with a connecting plate, and the connecting plate is connected with the second screen. The second vibrating motor can drive the second screen to vibrate, and then the precoated sand that accords with the casting process machining requirement is screened out to messenger's second screen, and the precoated sand that does not accord with the machining requirement is discharged the organism from the screening export.
Furthermore, a plurality of crushing blades are annularly distributed on the inner wall of the crushing box. When first crushing roller and second crushing roller stir the tectorial membrane sand and smash, smash the blade and also can smash the tectorial membrane sand, make crushing case better to the crushing effect of tectorial membrane sand.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses can effectually smash the screening to the tectorial membrane sand, improve the crushing effect to the tectorial membrane sand, improve crushing effect simultaneously, can guarantee that the particle diameter of the tectorial membrane sand of screening out accords with the processing requirement of casting technology, has improved the production efficiency of enterprise.
The utility model discloses an actuating mechanism can drive crushing shaft and rotate, and then makes first crushing roller, second crushing roller and smash the sword and stir the tectorial membrane sand of smashing the incasement and smash.
The utility model discloses a first vibration mechanism can make first screen cloth vibrate, and then makes first screen cloth filter crushing incasement less tectorial membrane sand, makes less tectorial membrane sand fall the second screen cloth and carries out the secondary screening, selects the tectorial membrane sand that meets the requirements.
The utility model discloses a second vibration makes the second screen cloth vibrate, sieves the tectorial membrane sand that falls on the second screen cloth, and the tectorial membrane sand that meets the requirements falls the organism lower part and is collected by discharge gate discharge, and the tectorial membrane sand that does not meet the requirements exports the discharge organism through the screening.
Drawings
FIG. 1 is a schematic structural view of a crushing and screening device for precoated sand according to the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
The reference numbers in the figures are: 1 is the organism, 2 is crushing case, 3 is driving motor, 4 is first gear, 5 is the second gear, 6 is crushing axle, 7 is first crushing roller, 8 is second crushing roller, 9 is crushing sword, 10 is spiral lifting blade, 11 is the feeding cover, 12 is the discharge gate, 13 is the mount pad, 14 is the striker plate, 15 is crushing blade, 16 is a screening section of thick bamboo, 17 is first screen cloth, 18 is the connecting rod, 19 is the motor cabinet, 20 is first vibrating motor, 21 is the vibration board, 22 is buffer spring, 23 is second vibrating motor, 24 is the connecting plate, 25 is the second screen cloth, 26 is the screening export.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1 to 3, a crushing and screening device for precoated sand comprises a machine body 1, wherein a crushing box 2 is arranged in the machine body 1, the bottom of the crushing box 2 is of an open structure, the top of the machine body 1 is provided with a driving mechanism, the driving mechanism is in transmission connection with a crushing shaft 6, and the crushing shaft 6 penetrates through the top of the machine body 1 and extends into the crushing box 2; a plurality of first crushing rollers 7 are symmetrically arranged on the crushing shaft 6, 5 groups of first crushing rollers 7 are arranged on the crushing shaft 6 of the device, second crushing rollers 8 are also symmetrically arranged on the crushing shaft 6, the second crushing rollers 8 are positioned below the first crushing rollers 7, a plurality of crushing knives 9 are arranged at the bottoms of the second crushing rollers 8, and 4 crushing knives 9 are arranged at the bottoms of each second crushing roller 8; the lower extreme of crushing shaft 6 is equipped with spiral lifting blade 10, and spiral lifting blade 10 can prevent that tectorial membrane sand from piling up crushing shaft 6 bottom, prevents that crushing sword 9 can not carry out intensive mixing to tectorial membrane sand and smash. The first crushing roller 7, the second crushing roller 8 and the crushing blade 9 all play a role in stirring and crushing the coating.
The bottom of the crushing box 2 is sleeved with a screening cylinder 16, the bottom of the screening cylinder 16 is of an open structure, and the bottom of the screening cylinder 16 is provided with a first screen 17; first screen cloth 17 below is provided with first vibration mechanism, first vibration mechanism is including the connecting rod 18 of symmetry setting on organism 1, two be provided with motor cabinet 19 between the connecting rod 18, install first vibrating motor 20 on the motor cabinet 19, first vibrating motor 20 is connected with vibration board 21, and vibration board 21 installs in first screen cloth 17 bottom, and vibration board 21 can make first vibrating motor 20 better to the vibration effect of first screen cloth 17. The screening holes of the first screen 17 are larger than the screening openings of the second screen 25, and the coated sand screened by the screening openings of the second screen 25 meets the processing requirements of the casting process.
A second screen 25 is arranged below the connecting rod 18, the second screen 25 is arranged in the machine body 1 in an angled manner, so that the coated sand which does not meet the requirement can be conveniently discharged out of the machine body 1 through a screening outlet 26, a screening outlet 26 corresponding to the second screen 25 is arranged on the outer side of the machine body 1, and the screening outlet 26 is arranged on the lower side of the second screen 25; second screen cloth 25 still is connected with the second vibration mechanism, and the below of second screen cloth 25 is provided with discharge gate 12, and the tectorial membrane sand that meets the requirements is screened out through second screen cloth 25 and is fallen to organism 1 bottom and discharge collection by discharge gate 12.
The feed inlet has been seted up at 1 top of organism, and feed inlet department installs feeding cover 11, and feeding cover 11 is installed at 1 top of organism, adds tectorial membrane sand by ejection of compact cover 11 and smashes the incasement 2, and then makes first crushing roller 7 and second crushing roller 8 stir the tectorial membrane sand and smash.
A material baffle 14 is arranged below the feeding hole, and the material baffle 14 is arranged on the crushing box 2 at an angle and is positioned in the crushing box 2. The striker plate 14 can prevent that precoated sand from adding to crushing case 2 from feeding cover 11 when, and precoated sand piles up the one side of crushing case 2, prevents to stir to precoated sand and smash inhomogeneous.
The driving mechanism comprises a transmission motor 3 and a mounting seat 13, the transmission motor 3 is arranged on the mounting seat 13, an output shaft of the transmission motor 3 is connected with a first gear 4, the first gear 4 is meshed with a second gear 5 in a transmission manner, and the second gear 5 is arranged at the upper end of the crushing shaft 6. The transmission motor 3 drives the first gear 4 to rotate, and the first gear 4 drives the second gear 5 to rotate, so that the crushing shaft 6 rotates in the crushing box 2.
The top of the screening cylinder 16 is provided with a sliding groove, and the bottom of the crushing box 2 is positioned in the sliding groove and is in sliding connection with the screening cylinder 16. When first vibration mechanism drives first screen cloth 17 and carries out the shale shaker screening, can make screening section of thick bamboo 16 slide from top to bottom smashing 2 bottoms of case, make first screen cloth 17 better to the screening effect of tectorial membrane sand, the less tectorial membrane sand of messenger that is more quick and the tectorial membrane sand of compound requirement fall on second screen cloth 25.
Still be equipped with buffer spring 22 between first screen cloth 17 and the connecting rod 18, buffer spring 22 plays the effect of buffering, and buffer spring 22 still can prevent to screen a section of thick bamboo 16 from smashing 2 bottom landing, buffer spring 22's one end is connected with first screen cloth 17, the other end is connected with the fixed plate, the fixed plate is installed on connecting rod 18.
The second vibration mechanism comprises a second vibration motor 23, the second vibration motor 23 is installed on a supporting plate, the supporting plate is fixedly installed on the inner side wall of the machine body 1, an output shaft of the second vibration motor 23 is connected with a connecting plate 24, the connecting plate 24 is connected with a second screen 25, a bottom plate can be installed at the bottom of the second screen 25 and can be connected with the connecting plate 24, and the vibration effect of the second vibration motor 23 on the second screen 25 is increased.
Smash 2 inner wall annular distribution of case and have a plurality of crushing blade 15, smash blade 15 and also can smash the tectorial membrane sand, can make and smash case 2 better to the crushing effect of tectorial membrane sand, improve the crushing efficiency to the tectorial membrane sand.
During the use, start driving motor 3, first vibrating motor 20 and second vibrating motor 23, from feeding cover 22 department case crushing case 2 in add the tectorial membrane sand that needs crushing screening, tectorial membrane sand falls on striker plate 14, and then the landing is in crushing case 2. In this process, driving motor 3 drives first gear 4 and rotates, and first gear 4 meshing transmission second gear 5 rotates, and then second gear 5 drives crushing axle 6 and rotates, and crushing axle 6 drives first crushing roller 7 and second crushing roller 8 and crushing sword 9 promptly and rotates. The first mill roller 7, the second mill roller 8, and the mill knife 9 agitate and mill the coated sand in the mill tank 2. In addition, install crushing blade 15 at crushing incasement 2 inner wall and also smash the tectorial membrane sand that is located crushing incasement 2, crushing axle 6 drives spiral lifting blade 10 and upwards promotes tectorial membrane sand, is convenient for smash evenly to tectorial membrane sand stirring.
First vibrating motor 20 drives first screen cloth 17 and vibrates, and first screen cloth 17 screens the tectorial membrane sand that can pass through first screen cloth 17 screening mouth in smashing case 2, can fall 25 on the second screen cloth through the tectorial membrane sand of first screen cloth 17 screening mouth, and at the in-process that first vibrating motor 20 drove first screen cloth 17 vibration, first screen cloth 17 can drive screening section of thick bamboo 16 and slide from top to bottom smashing case 2 bottom.
Second vibrating motor 23 is under the effect of connecting plate 24 and bottom plate, it vibrates to drive second screen cloth 25, the tectorial membrane sand that the particle diameter accords with the casting process machining requirement drops to the bottom of organism 1 through the screening mouth of second screen cloth 25, the staff can collect from discharge gate 12, be not conform to the tectorial membrane sand that the casting process machining required, slide to screening export 26 department on second screen cloth 25, export 26 discharge organism 1 from the screening, the staff can place the collecting vat below screening export 26, the collecting vat is used for collecting the tectorial membrane sand that is not conform to the casting process machining requirement, can add once more and smash in the crushing case 2 and stir.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (8)
1. The crushing and screening device for the precoated sand comprises a machine body (1) and is characterized in that a crushing box (2) is arranged in the machine body (1), a driving mechanism is arranged at the top of the machine body (1), the driving mechanism is connected with a crushing shaft (6) in a transmission manner, and the crushing shaft (6) penetrates through the top of the machine body (1) and extends into the crushing box (2); a plurality of first crushing rollers (7) are symmetrically arranged on the crushing shaft (6), second crushing rollers (8) are also symmetrically arranged on the crushing shaft (6), the second crushing rollers (8) are positioned below the first crushing rollers (7), and a plurality of crushing knives (9) are arranged at the bottoms of the second crushing rollers (8); the lower end of the crushing shaft (6) is provided with a spiral lifting blade (10);
a screening cylinder (16) is sleeved at the bottom of the crushing box (2), and a first screen (17) is installed at the bottom of the screening cylinder (16); a first vibration mechanism is arranged below the first screen (17), the first vibration mechanism comprises connecting rods (18) symmetrically arranged on a machine body, a motor base (19) is arranged between the two connecting rods (18), a first vibration motor (20) is arranged on the motor base (19), the first vibration motor (20) is connected with a vibration plate (21), and the vibration plate (21) is arranged at the bottom of the first screen (17);
a second screen (25) is arranged below the connecting rod (18), the second screen (25) is arranged in the machine body (1) in an angled manner, and a screening outlet (26) corresponding to the second screen (25) is arranged on the outer side of the machine body (1); the second screen (25) is also connected with a second vibrating mechanism, and a discharge hole (12) is formed below the second screen (25).
2. The crushing and screening device for precoated sand according to claim 1, characterized in that a feeding port is formed in the top of the machine body (1), a feeding cover (11) is installed at the feeding port, and the feeding cover (11) is installed on the top of the machine body (1).
3. A crushing and screening device for precoated sand according to claim 2, characterized in that a striker plate (14) is arranged below the feed inlet, and the striker plate (14) is installed on the crushing box (2) at an angle and is positioned in the crushing box (2).
4. The crushing and screening device for precoated sand according to claim 1, wherein the driving mechanism comprises a transmission motor (3) and a mounting seat (13), the transmission motor (3) is arranged on the mounting seat (13), an output shaft of the transmission motor (3) is connected with a first gear (4), the first gear (4) is in meshing transmission with a second gear (5), and the second gear (5) is arranged at the upper end of the crushing shaft (6).
5. The crushing and screening device for precoated sand according to claim 1, wherein the top of the screening cylinder (16) is provided with a chute, and the bottom of the crushing box (2) is positioned in the chute and is in sliding connection with the screening cylinder (16).
6. The crushing and screening device for precoated sand according to claim 1, characterized in that a buffer spring (22) is further arranged between the first screen (17) and the connecting rod (18), one end of the buffer spring (22) is connected with the first screen (17), the other end is connected with a fixing plate, and the fixing plate is installed on the connecting rod (18).
7. A crushing and screening device for precoated sand according to claim 1, characterized in that the second vibrating mechanism comprises a second vibrating motor (23), the output shaft of the second vibrating motor (23) is connected with a connecting plate (24), and the connecting plate (24) is connected with a second screen (25).
8. A crushing and screening device for precoated sand according to claim 1, characterized in that said crushing box (2) has a plurality of crushing blades (15) distributed annularly on its inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194556.5U CN218107765U (en) | 2022-05-19 | 2022-05-19 | A smash screening plant for tectorial membrane sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194556.5U CN218107765U (en) | 2022-05-19 | 2022-05-19 | A smash screening plant for tectorial membrane sand |
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| Publication Number | Publication Date |
|---|---|
| CN218107765U true CN218107765U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221194556.5U Active CN218107765U (en) | 2022-05-19 | 2022-05-19 | A smash screening plant for tectorial membrane sand |
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| CN (1) | CN218107765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116352014A (en) * | 2023-04-07 | 2023-06-30 | 沧州晟丰新材料科技有限公司 | Cooling screening equipment for precoated sand processing |
-
2022
- 2022-05-19 CN CN202221194556.5U patent/CN218107765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116352014A (en) * | 2023-04-07 | 2023-06-30 | 沧州晟丰新材料科技有限公司 | Cooling screening equipment for precoated sand processing |
| CN116352014B (en) * | 2023-04-07 | 2023-09-22 | 沧州晟丰新材料科技有限公司 | Cooling screening equipment for precoated sand processing |
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