CN221620743U - Raw sand screening equipment for precoated sand production - Google Patents
Raw sand screening equipment for precoated sand production Download PDFInfo
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- CN221620743U CN221620743U CN202323369461.XU CN202323369461U CN221620743U CN 221620743 U CN221620743 U CN 221620743U CN 202323369461 U CN202323369461 U CN 202323369461U CN 221620743 U CN221620743 U CN 221620743U
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- 238000012216 screening Methods 0.000 title claims abstract description 112
- 239000004576 sand Substances 0.000 title claims abstract description 89
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 65
- 239000004744 fabric Substances 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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Abstract
The utility model discloses raw sand screening equipment for precoated sand production, and relates to the technical field of precoated sand production equipment. The utility model comprises a screening box and a clamping groove arranged at the top of the outer walls of two sides of the screening box, wherein a first screen is fixedly connected above the inner wall of one side of the screening box, a second screen is fixedly connected above the inner wall of the other side of the screening box, the first screen is positioned right above the second screen, a first screening component is arranged above the inside of the screening box, and a second screening component is arranged below the inside of the screening box. According to the utility model, the primary screening efficiency and effect of the raw sand can be improved through the first screening component, the raw sand is prevented from being accumulated at the bottom of the screen cylinder, the raw sand cannot be screened rapidly, the raw sand can be screened for multiple times by utilizing the first screen, the second screen and the second screening component, the screening efficiency of the raw sand is improved, repeated screening steps are reduced, and the third screen can be buffered and protected by utilizing the tension springs.
Description
Technical Field
The utility model belongs to the technical field of precoated sand production equipment, and particularly relates to raw sand screening equipment for producing precoated sand.
Background
Along with development of technology, various materials, equipment and the like are used in industrial production, the precoated sand is one of them, and is mainly prepared from silica sand, an adhesive, a curing agent and a lubricant according to a certain production process, and can be applied to two aspects of casting molding and oil gas exploitation, and in the production process, the precoated sand needs to be screened out from raw sand for production through screening equipment in order to ensure the product quality of the precoated sand, so that the screening efficiency of the raw sand is greatly improved.
Through searching, publication number CN218107765U, application date 2022.05.19 discloses a crushing and screening device for precoated sand. The device comprises a machine body, wherein a crushing box is arranged in the machine body, the driving mechanism is in transmission connection with a crushing shaft, and the crushing shaft penetrates through the top of the machine body and stretches into the crushing box; the crushing shaft is symmetrically provided with a plurality of first crushing rollers, the crushing shaft is also symmetrically provided with a second crushing roller, and the bottom of the second crushing roller is provided with a plurality of crushing cutters; the lower end of the crushing shaft is provided with spiral lifting blades, 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; the utility model discloses a screening machine, including first screen cloth, connecting rod, second screen cloth, screening export, first screen cloth below is provided with first vibration mechanism, the connecting rod below is provided with the second screen cloth, the organism outside is provided with the screening export corresponding with the second screen cloth.
However, the following drawbacks still exist in practical use:
When the crushing and screening device for precoated sand is used, crushed raw sand is screened through the first vibrating mechanism and the first screen, and the raw sand is easily accumulated on the surface of the first screen in a large amount in the mode, so that the raw sand cannot be screened rapidly, and the screening efficiency of the raw sand is affected;
The crushing and screening device for precoated sand is used for secondarily screening raw sand through the second vibrating mechanism and the second screen mesh arranged in an inclined mode, and when the raw sand falling from the first screening is too much, the raw sand cannot rapidly pass through the second screen mesh and is discharged from a screening outlet along the inclined second screen mesh, so that the screening effect is poor, and the screening treatment is required to be repeated repeatedly.
Disclosure of utility model
The utility model aims to provide raw sand screening equipment for precoated sand production, which can improve the primary screening efficiency and effect of raw sand through a first screening component, avoid that the raw sand is accumulated at the bottom of a screen drum and cannot be screened rapidly, and can screen the raw sand for multiple times through the first screen, a second screen and the second screening component, improve the screening efficiency of the raw sand, reduce repeated screening steps and play a role in buffering and protecting a third screen through tension springs.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model relates to raw sand screening equipment for precoated sand production, which comprises a screening box and clamping grooves formed in the tops of the outer walls of two sides of the screening box, wherein a first screen is fixedly connected above the inner wall of one side of the screening box, a second screen is fixedly connected above the inner wall of the other side of the screening box, the first screen is positioned right above the second screen, a first screening component is arranged above the inside of the screening box, and a second screening component is arranged below the inside of the screening box;
the first screening component comprises a screen drum, a first mounting seat and a second mounting seat which are arranged on the outer sides of the outer walls of the two sides of the screen drum, the inner wall of the screen drum is uniformly and fixedly connected with first blades at intervals, a first motor is arranged on the outer side of the upper surface of the first mounting seat, and a second motor is arranged on the outer side of the upper surface of the second mounting seat;
The second screening assembly comprises a third screen and tension springs arranged at the edges of the front end and the rear end of one side of the upper surface, and the top ends of the tension springs are fixed at the bottom center position of the fixing plate.
Further, a screening opening is formed in the lower portion of the outer wall of one side of the screening box, and a discharge opening is formed in the center of the bottom of the screening box.
Further, a first through pipe is arranged at the center position of the outer wall of one side of the screen cylinder, a second through pipe is arranged at the center position of the outer wall of the other side of the screen cylinder, and a feeding pipe is connected in a rotary mode inside the first through pipe.
Further, install first belt pulley on the output shaft of first motor, the outer wall of first belt pulley passes through first belt and second belt pulley connection, and the outer wall outside of the outer wall of first siphunculus is established to the inner wall cover of second belt pulley.
Further, a third belt pulley is arranged on an output shaft of the second motor, the outer wall of the third belt pulley is connected with a fourth belt pulley through a second belt, and a rotating shaft is arranged at the center of the inner side wall of the fourth belt pulley.
Further, the other end of the rotating shaft penetrates through a bearing on the inner wall of the second through pipe and is arranged in the screen cylinder, and second blades are uniformly arranged on the outer wall of the rotating shaft at intervals along the horizontal direction.
Further, the outer wall of one side of the third screen cloth is movably connected with the inner wall of the screening box through a hinge, and the outer wall of the fixing plate is fixed on the inner wall of the screening box.
Further, a cam is arranged at the rear end of one side above the third screen, and the end face of the rear end of the cam is mounted on an output shaft of the third motor.
The utility model has the following beneficial effects:
According to the utility model, the first screening component is arranged, the first motor runs under the transmission action of each component to drive the screen drum to rotate, so that the raw sand in the screen drum is continuously rolled, the primary screening efficiency and effect of the raw sand are improved, the raw sand is prevented from being accumulated at the bottom of the screen drum, the raw sand cannot be screened quickly, and the problems that the crushed raw sand is screened through the first vibration mechanism and the first screen in the use of the crushing screening device for the precoated sand, and the raw sand is easily accumulated on the surface of the first screen in a large amount in the mode, the raw sand cannot be screened quickly, and the screening efficiency of the raw sand is affected are solved.
According to the utility model, through arranging the first screen, the second screen and the second screen assembly, the first screen, the second screen and the third screen are utilized to screen the raw sand for multiple times, so that the screening efficiency of the raw sand can be improved, repeated screening steps are reduced, the buffer protection effect can be achieved when the third screen vibrates by using the tension springs, and the problem that the crushing and screening device for precoated sand is required to repeatedly screen the raw sand for multiple times in the follow-up process is solved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a raw sand screening device for precoated sand production;
Figure 2 is a cross-sectional view of a first screen assembly;
figure 3 is a disassembled view of a first screen assembly;
FIG. 4 is a cross-sectional view of a screening box;
figure 5 is a block diagram of a second screen assembly.
In the drawings, the list of components represented by the various numbers is as follows:
1. A screening box; 101. a clamping groove; 102. a screening port; 103. a discharge port; 104. a first screen; 105. a second screen; 2. a first screen assembly; 201. a first mount; 202. a second mounting base; 203. a screen drum; 2031. a first blade; 2032. a first through pipe; 2033. a second through pipe; 2034. a feed pipe; 204. a first motor; 2041. a first pulley; 2042. a first belt; 2043. a second pulley; 205. a second motor; 2051. a third pulley; 2052. a second belt; 2053. a fourth pulley; 2054. a rotating shaft; 2055. a second blade; 3. a second screen assembly; 301. a third screen; 302. a tension spring; 303. a fixing plate; 304. a cam; 305. and a third motor.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1 to 3, the utility model discloses raw sand screening equipment for precoated sand production, which comprises a screening box 1 and clamping grooves 101 formed in the tops of the outer walls of two sides of the screening box 1, wherein a first screen mesh 104 is fixedly connected above the inner wall of one side of the screening box 1, a second screen mesh 105 is fixedly connected above the inner wall of the other side of the screening box 1, the first screen mesh 104 is positioned right above the second screen mesh 105, a first screening assembly 2 is arranged above the inside of the screening box 1, and the first screen mesh 104 and the second screen mesh 105 are obliquely arranged towards different directions;
The first screening assembly 2 comprises a screen drum 203, a first mounting seat 201 and a second mounting seat 202 which are arranged on the outer sides of the outer walls of the two sides of the screen drum 203, wherein first blades 2031 are uniformly and fixedly connected to the inner walls of the screen drum 203 at intervals, a first motor 204 is arranged on the outer side of the upper surface of the first mounting seat 201, a second motor 205 is arranged on the outer side of the upper surface of the second mounting seat 202, and the first mounting seat 201 and the second mounting seat 202 are respectively fixed in the clamping groove 101;
A screening port 102 is arranged below the outer wall of one side of the screening box 1, and a discharge port 103 is arranged at the center of the bottom of the screening box 1;
A first through pipe 2032 is arranged in the center of the outer wall of one side of the screen cylinder 203, a second through pipe 2033 is arranged in the center of the outer wall of the other side of the screen cylinder 203, a feeding pipe 2034 is rotatably connected inside the first through pipe 2032, and the first through pipe 2032 and the second through pipe 2033 are respectively arranged in bearings on the end faces of the first installation seat 201 and the second installation seat 202;
the output shaft of the first motor 204 is provided with a first belt pulley 2041, the outer wall of the first belt pulley 2041 is connected with a second belt pulley 2043 through a first belt 2042, the inner wall of the second belt pulley 2043 is sleeved on the outer side of the outer wall of the first through pipe 2032, and the first belt pulley 2041 is connected with the second belt pulley 2043 through the first belt 2042 to play a role in transmission;
a third belt pulley 2051 is arranged on the output shaft of the second motor 205, the outer wall of the third belt pulley 2051 is connected with a fourth belt pulley 2053 through a second belt 2052, a rotating shaft 2054 is arranged in the center of the inner side wall of the fourth belt pulley 2053, and the third belt pulley 2051 is connected with the fourth belt pulley 2053 through the second belt 2052, so that the transmission function is realized;
The other end of the rotating shaft 2054 penetrates through a bearing on the inner wall of the second through pipe 2033 and is arranged in the screen cylinder 203, second blades 2055 are uniformly arranged on the outer wall of the rotating shaft 2054 at intervals along the horizontal direction, and the second blades 2055 are matched with the first blades 2031 to crush raw sand;
when the device is used, the raw sand of the precoated sand is firstly thrown into the screen cylinder 203 through the feeding pipe 2034, then the first motor 204 is started, the output shaft of the first motor 204 rotates to drive the first belt pulley 2041 to rotate, the outer wall of the first belt pulley 2041 is connected with the second belt pulley 2043 through the first belt pulley 2042, therefore, the second belt pulley 2043 is driven to rotate under the transmission effect of the first belt pulley 2042 when the first belt pulley 2041 rotates, the second belt pulley 2043 is sleeved outside the outer wall of the first through pipe 2032, therefore, the first through pipe 2032 is driven to rotate when the second belt pulley 2043 rotates, the screen cylinder 203 is enabled to rotate, the raw sand in the screen cylinder 203 can be enabled to continuously roll, meanwhile, the second motor 205 is started, the output shaft of the second motor 205 rotates to drive the third belt pulley 2051 to rotate, the outer wall of the third belt pulley 2051 is connected with the fourth belt pulley 2053 through the second belt 2052, the fourth belt pulley 2053 is driven to rotate under the transmission effect of the second belt pulley 2052 when the third belt pulley 2051 rotates, the second belt pulley 2053 is driven to rotate, the first belt pulley 2032 is meshed with the second belt pulley 2053, the grinding blades can be meshed with the sand can be ground to the sand can be ground into the sand, and the size can be different from the sand can be ground into the sand through the first through the screen cylinder 203, and the first through the rotary through the first through pipe 2035 can 203, and the grinding blades can be prevented from being rotated to the bottom the screen cylinder 203, and the size can be simultaneously can be rotated when the grinding the raw sand can be rotated and the screen cylinder can be rotated.
As shown in fig. 1, 4 and 5, a second screening assembly 3 is arranged below the inside of the screening box 1, the second screening assembly 3 comprises a third screen 301 and tension springs 302 arranged at the edges of the front end and the rear end of one side of the upper surface, the top ends of the tension springs 302 are fixed at the bottom center position of a fixed plate 303, one end of the third screen 301 can be driven to move under the elastic performance of the tension springs 302, and the third screen 301 can be protected in a buffering manner;
The outer wall of one side of the third screen 301 is movably connected with the inner wall of the screening box 1 through a hinge, and the outer wall of the fixing plate 303 is fixed on the inner wall of the screening box 1;
A cam 304 is arranged at the rear end of one side above the third screen 301, the end face of the rear end of the cam 304 is arranged on the output shaft of a third motor 305, and the third motor 305 operates to drive the cam 304 to rotate, so that the third screen 301 can be forced to vibrate in an up-and-down reciprocating manner;
When the screening box 1 is used, the raw sand falls on the surface of the first screen cloth 104 and then falls on the surface of the second screen cloth 105, wherein the raw sand with the same size directly passes through the first screen cloth 104, the second screen cloth 105 and the third screen cloth 301 and is discharged from the discharge hole 103, the non-conforming raw sand falls on the surface of the second screen cloth 105 along the surface of the first screen cloth 104 and slides to the surface of the third screen cloth 301 from the surface of the second screen cloth 105, then the third motor 305 is started, the output shaft of the third motor 305 rotates to drive the cam 304 to rotate, the cam 304 rotates to continuously push the third screen cloth 301 below, the third screen cloth 301 is stressed to rotate by taking the hinge as the center of a circle, the other end of the third screen 301 stretches the tension spring 302, after the force applied to the third screen 301 is cancelled by the cam 304, the third screen 301 is pulled upwards again under the action of the elastic performance of the tension spring 302, the third screen 301 can be vibrated reciprocally, a small amount of raw sand conforming to the size on the surface of the third screen 301 can be shaken off, the buffering protection effect can be achieved, the raw sand not conforming to the size can be discharged from the screening opening 102 along the surface of the third screen 301 when one end of the third screen 301 moves downwards, the raw sand can be collected and reprocessed and screened, the raw sand screening efficiency can be improved, the repeated screening steps are reduced, and the buffering protection effect can be achieved when the third screen 301 vibrates.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (8)
1. Raw sand screening equipment for precoated sand production comprises a screening box (1) and a clamping groove (101) formed in the top of the outer walls of two sides of the screening box, wherein a first screen (104) is fixedly connected to the upper side of the inner wall of one side of the screening box (1), a second screen (105) is fixedly connected to the upper side of the inner wall of the other side of the screening box (1), and the first screen (104) is located right above the second screen (105), and is characterized in that: a first screening assembly (2) is arranged above the inside of the screening box (1), and a second screening assembly (3) is arranged below the inside of the screening box (1);
The first screening component (2) comprises a screening cylinder (203), and a first mounting seat (201) and a second mounting seat (202) which are arranged on the outer sides of the outer walls of the two sides of the screening cylinder, wherein first blades (2031) are fixedly connected to the inner wall of the screening cylinder (203) at equal intervals, a first motor (204) is arranged on the outer side of the upper surface of the first mounting seat (201), and a second motor (205) is arranged on the outer side of the upper surface of the second mounting seat (202);
The second screening assembly (3) comprises a third screen (301) and tension springs (302) arranged at the edges of the front end and the rear end of the upper surface side, and the top ends of the tension springs (302) are fixed at the bottom center position of a fixing plate (303).
2. The raw sand screening device for precoated sand production as claimed in claim 1, wherein: a screening opening (102) is formed in the lower portion of the outer wall of one side of the screening box (1), and a discharge opening (103) is formed in the center of the bottom of the screening box (1).
3. The raw sand screening device for precoated sand production as claimed in claim 1, wherein: a first through pipe (2032) is arranged at the center position of the outer wall of one side of the screen cylinder (203), a second through pipe (2033) is arranged at the center position of the outer wall of the other side of the screen cylinder (203), and a feeding pipe (2034) is rotatably connected inside the first through pipe (2032).
4. A raw sand screening device for precoated sand production as claimed in claim 3, wherein: the output shaft of the first motor (204) is provided with a first belt pulley (2041), the outer wall of the first belt pulley (2041) is connected with a second belt pulley (2043) through a first belt (2042), and the inner wall of the second belt pulley (2043) is sleeved on the outer side of the outer wall of the first through pipe (2032).
5. The raw sand screening device for precoated sand production as claimed in claim 4, wherein: the output shaft of the second motor (205) is provided with a third belt pulley (2051), the outer wall of the third belt pulley (2051) is connected with a fourth belt pulley (2053) through a second belt (2052), and the center position of the inner side wall of the fourth belt pulley (2053) is provided with a rotating shaft (2054).
6. The raw sand screening device for precoated sand production as claimed in claim 5, wherein: the other end of the rotating shaft (2054) penetrates through a bearing on the inner wall of the second through pipe (2033) and is arranged in the screen cylinder (203), and second blades (2055) are uniformly arranged on the outer wall of the rotating shaft (2054) at intervals along the horizontal direction.
7. The raw sand screening device for precoated sand production as claimed in claim 1, wherein: the outer wall of one side of the third screen (301) is movably connected with the inner wall of the screening box (1) through a hinge, and the outer wall of the fixing plate (303) is fixed on the inner wall of the screening box (1).
8. The raw sand screening device for precoated sand production as set forth in claim 7, wherein: a cam (304) is arranged at the rear end of one side above the third screen (301), and the end face of the rear end of the cam (304) is mounted on an output shaft of a third motor (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323369461.XU CN221620743U (en) | 2023-12-12 | 2023-12-12 | Raw sand screening equipment for precoated sand production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323369461.XU CN221620743U (en) | 2023-12-12 | 2023-12-12 | Raw sand screening equipment for precoated sand production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221620743U true CN221620743U (en) | 2024-08-30 |
Family
ID=92490957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323369461.XU Active CN221620743U (en) | 2023-12-12 | 2023-12-12 | Raw sand screening equipment for precoated sand production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221620743U (en) |
-
2023
- 2023-12-12 CN CN202323369461.XU patent/CN221620743U/en active Active
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