CN221387332U

CN221387332U - Screening plant is used in reclaimed sand production

Info

Publication number: CN221387332U
Application number: CN202323444800.6U
Authority: CN
Inventors: 吕健; 祁顺; 李锦月
Original assignee: Wuhu Lingfeng Environmental Protection Technology Co ltd
Current assignee: Wuhu Lingfeng Environmental Protection Technology Co ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-07-23
Anticipated expiration: 2033-12-15

Abstract

The utility model is suitable for the technical field of screening devices, and provides a screening device for reclaimed sand production, which comprises a screening cylinder, wherein the top of the screening cylinder is communicated with a feed pipe, the top of the screening cylinder is also communicated with a fixed cylinder, the bottom of the screening cylinder is communicated with a discharge pipe, the side wall of the screening cylinder is provided with a discharge chute, one side of the discharge chute is provided with a discharge hopper, the side wall of the discharge hopper is fixedly connected with the screening cylinder, the periphery of the screening cylinder is fixedly connected with a fixed ring, the bottom of the fixed ring is fixedly connected with a support frame, and a screening mechanism for screening reclaimed sand and classifying and discharging screened materials is arranged in the screening cylinder. According to the utility model, through the arrangement of the screening structure, the regenerated sand on the surface of the screen can be continuously rolled through the cooperation of the rotating screen and the baffle plate, so that the screening efficiency of the regenerated sand can be accelerated, and meanwhile, the screen can be prevented from being blocked by the regenerated sand with larger particles.

Description

Screening plant is used in reclaimed sand production

Technical Field

The utility model belongs to screening devices, and particularly relates to a screening device for reclaimed sand production.

Background

The fused ceramic reclaimed sand has the advantages of high temperature resistance, no crushing, no dust, sphericity, high air permeability, good filling property, no silicon dust hazard and the like, is green casting environment-friendly sand, and needs to screen out large-particle impurities in the fused ceramic reclaimed sand when the fused ceramic reclaimed sand is processed, so that a fused ceramic reclaimed sand screening device is needed.

Chinese patent with publication No. CN219560352U discloses a screening plant of regenerated sand of molten ceramic, which comprises a housing, the inside of shell is provided with screening mechanism, screening mechanism includes first pivot, filter screen, sprocket mechanism and rotating electrical machines, the internally mounted of shell has first pivot, the outer wall of first pivot is fixed with the filter screen, two constitute transmission structure through sprocket mechanism between the tip of first pivot, and sprocket mechanism is located the outside of shell, the tip of first pivot runs through the inside of shell and is fixed with the rotating electrical machines, rotating electrical machines fixed mounting is in the outer wall of shell, the top of shell is provided with the feed inlet, the bottom of shell is provided with feed divider mechanism.

However, the above patent suffers from the following disadvantages:

Above-mentioned patent passes through screening mechanism and feed divider's cooperation, can carry out the pay-off respectively to the reclaimed sand that sieves through the filter screen to and stay the top large granule reclaimed sand of filter screen, and can clear up the reclaimed sand of filter screen surface residue large granule, but the filter screen surface of above-mentioned patent does not set up disturbance structure, thereby at normal in-process of sieving, the reclaimed sand on the filter screen stagnates easily on the screen surface and can't pass through, thereby leads to reducing reclaimed sand screening efficiency, and the surface of filter screen is blocked easily to the reclaimed sand of great granule.

Disclosure of utility model

The utility model provides a screening device for reclaimed sand production, which aims to solve the problems that in the prior art, a disturbance structure is not arranged on the surface of a filter screen of the patent, so that reclaimed sand on the filter screen is easy to stagnate on the surface of the filter screen and cannot pass through the surface of the filter screen in the normal screening process, the screening efficiency of the reclaimed sand is reduced, and the surface of the filter screen is easy to be blocked by the reclaimed sand with larger particles.

The utility model discloses a screening device for reclaimed sand production, which comprises a screening cylinder, wherein the top of the screening cylinder is communicated with a feed pipe, the top of the screening cylinder is also communicated with a fixed cylinder, the bottom of the screening cylinder is communicated with a discharge pipe, the side wall of the screening cylinder is provided with a discharge chute, one side of the discharge chute is provided with a discharge hopper, the side wall of the discharge hopper is fixedly connected with the screening cylinder, the periphery of the screening cylinder is fixedly connected with a fixed ring, the bottom of the fixed ring is fixedly connected with a support frame, and a screening mechanism for screening reclaimed sand and classifying and discharging screened materials is arranged in the screening cylinder.

Preferably, the screening mechanism comprises a rotary screening structure for screening the reclaimed sand and a discharging structure for classifying and discharging the screened materials.

Preferably, the rotary screening structure comprises a mounting plate, wherein the mounting plate is arranged at the top of the fixed cylinder, the top of the mounting plate is fixedly connected with a stepping motor, an output shaft of the stepping motor is fixedly connected with a rotating rod, the rotating rod penetrates through the fixed cylinder and is movably connected with the fixed cylinder;

The screening device comprises a screening cylinder, a screening screen, a screening sleeve, a screening rod, a baffle, a connecting rod, a limiting rod and a screening rod, wherein the screen is fixedly connected to the bottom of the screening rod;

The bottom of the baffle is attached to the surface of the screen under the action of gravity, and meanwhile, the limiting rod limits the rotating sleeve through the connecting rod, so that the baffle cannot rotate along with the rotating rod, reclaimed sand can be added into the screening cylinder through the feeding pipe, and the reclaimed sand can fall onto the surface of the screen;

then through starting step motor and can drive the screen cloth rotatory through the dwang, the screen cloth can be through driving the synchronous rotation of the regeneration sand on its surface simultaneously, can be blocked by the baffle when the regeneration sand follows the screen cloth rotatory, consequently the screen cloth surface can slide relatively with the regeneration sand that is blocked at rotatory in-process, thereby make regeneration sand can constantly roll, thereby can accelerate the screening efficiency to regeneration sand, at this in-process less granule's regeneration sand can pass through the screen cloth, and discharge to screening section of thick bamboo outside through the discharging pipe, and the regeneration sand that great granule is inconsistent can't pass through the screen cloth, again because the screen cloth slides relatively with regeneration sand all the time, consequently the regeneration sand of great granule can not block the surface of screen cloth at the in-process of rolling.

Preferably, the top of the rotating sleeve is provided with an extrusion spring, the extrusion spring is sleeved on the periphery of the rotating rod, the top of the extrusion spring (3) is propped against the fixed cylinder, and the bottom of the extrusion spring is propped against the rotating sleeve;

Through setting up extrusion spring can extrude the cover that rotates through extrusion spring's elasticity, and then drive baffle and screen cloth surface counterbalance through rotating the cover to avoid baffle and screen cloth surface separation.

Preferably, the discharging structure comprises electric push rods, the bottoms of the electric push rods are fixedly connected with the screening cylinder, the number of the electric push rods is two, the output ends of the two electric push rods are fixedly connected with the mounting plate, and the baffle is matched with the discharging groove;

Through starting two electric putter and stretching out, can drive the screen cloth and rotate the cover and upwards remove in step, until the baffle remove to the position with the blown down tank parallel and level, along with the rotation of screen cloth this moment, the big granule reclaimed sand that fails to pass through the screen cloth before being driven to stack at the baffle can follow the screen cloth surface landing of slope to discharge to the discharge hopper surface through the blown down tank, and then discharge to the device outside through the blown down tank.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a screening device for reclaimed sand production, which comprises:

1. Through setting up screening structure, can pass through the cooperation of rotatory screen cloth and baffle to make the reclaimed sand on screen cloth surface constantly roll, thereby can accelerate the screening efficiency to reclaimed sand, can avoid the reclaimed sand jam screen cloth of great granule simultaneously.

2. Through setting up ejection of compact structure, through the high of lifting screen cloth and baffle, can be when the screen cloth is rotatory with the regeneration sand that the great granule did not meet the requirements through the discharge hopper discharge to the convenience is cleared up the regeneration sand of the great granule in screen cloth surface.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a screening mechanism of the present utility model;

FIG. 3 is a schematic view of a screen structure according to the present utility model.

In the figure:

1. A sieving cylinder; 11. a feed pipe; 12. a fixed cylinder; 13. a discharge pipe; 14. a discharge chute; 15. discharging a hopper; 16. a fixing ring; 17. a support frame;

2. A screening mechanism;

21. A screening structure; 211. a mounting plate; 212. a stepping motor; 213. a rotating lever; 214. a screen; 215. a rotating sleeve; 216. a baffle; 217. a connecting rod; 218. a limit rod;

22. A discharging structure; 221. an electric push rod;

3. The spring is pressed.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a screening plant is used in reclaimed sand production, including screening section of thick bamboo 1, screening section of thick bamboo 1 top intercommunication is provided with inlet pipe 11, screening section of thick bamboo 1 top still communicates and is provided with fixed section of thick bamboo 12, screening section of thick bamboo 1 bottom intercommunication is provided with discharging pipe 13, discharging chute 14 has been seted up to screening section of thick bamboo 1 lateral wall, discharging chute 14 one side is equipped with out hopper 15, discharging hopper 15 lateral wall and screening section of thick bamboo 1 fixed connection, screening section of thick bamboo 1 periphery fixedly connected with solid fixed ring 16, solid fixed ring 16 bottom fixedly connected with support frame 17, screening section of thick bamboo 1 is inside be equipped with be used for screening reclaimed sand and to screening the screening mechanism 2 of classifying unloading of material after the screening.

Further, the screening mechanism 2 comprises a rotary screening structure 21 for screening the reclaimed sand and a discharging structure 22 for classifying and discharging the screened material.

Further, the rotary screening structure 21 comprises a mounting plate 211, the mounting plate 211 is arranged at the top of the fixed cylinder 12, the top of the mounting plate 211 is fixedly connected with a stepping motor 212, an output shaft of the stepping motor 212 is fixedly connected with a rotating rod 213, the rotating rod 213 penetrates through the fixed cylinder 12, and the rotating rod 213 is movably connected with the fixed cylinder 12;

The bottom fixedly connected with screen cloth 214 of dwang 213, screen cloth 214 surface slope sets up, and the outer turnover of dwang 213 is provided with rotation cover 215, and rotation cover 215 periphery fixedly connected with baffle 216, baffle 216 lateral wall laminate mutually with screening section of thick bamboo 1 inner wall, baffle 216 bottom laminate mutually with screen cloth 214, rotation cover 215 periphery still fixedly connected with connecting rod 217, connecting rod 217 top fixedly connected with gag lever post 218, and gag lever post 218 middle part runs through screening section of thick bamboo 1 setting, gag lever post 218 and screening section of thick bamboo 1 sliding connection.

Further, the top of the rotating sleeve 215 is provided with a pressing spring 3, the pressing spring 3 is sleeved on the periphery of the rotating rod 213, the top of the pressing spring (3) is propped against the fixed cylinder 12, and the bottom of the pressing spring 3 is propped against the rotating sleeve 215.

Further, the discharging structure 22 comprises electric push rods 221, the bottoms of the electric push rods 221 are fixedly connected with the screening cylinder 1, the number of the electric push rods 221 is two, the output ends of the two electric push rods 221 are fixedly connected with the mounting plate 211, and the baffle 216 is matched with the discharging groove 14.

The working principle and the using flow of the utility model are as follows:

The reclaimed sand can be added into the screening cylinder 1 through the feeding pipe 11, and falls onto the surface of the screen 214, at the moment, the bottom of the baffle 216 is attached to the surface of the screen 214 under the action of gravity, and meanwhile, the limiting rod 218 limits the rotating sleeve 215 through the connecting rod 217, so that the baffle can not rotate along with the rotating rod 213;

then, the step motor 212 is started to drive the screen 214 to rotate through the rotating rod 213, meanwhile, the screen 214 can synchronously rotate through driving the regenerated sand on the surface of the screen 214, when the regenerated sand rotates along with the screen 214, the surface of the screen 214 can slide relatively with the blocked regenerated sand, so that the regenerated sand can continuously roll, the screening efficiency of the regenerated sand can be improved, in the process, the regenerated sand with smaller particles can pass through the screen 214 and can be discharged to the outside of the screening cylinder 1 through the discharging pipe 13, the regenerated sand with larger particles which does not meet the requirements can not pass through the screen 214, and because the screen 214 always slides relatively with the regenerated sand, the surface of the screen 214 can not be blocked by the regenerated sand with larger particles in the rolling process;

When the surface of the screen 214 cannot be cleaned by the reclaimed sand, the two electric push rods 221 are started to extend, so that the screen 214 and the rotating sleeve 215 can be driven to synchronously move upwards until the baffle 216 moves to a position flush with the discharge chute 14, and then along with the rotation of the screen 214, the unsatisfactory large-particle reclaimed sand which is driven to be piled up in front of the baffle 216 and cannot pass through the screen 214 can slide along the inclined surface of the screen 214, and is discharged to the surface of the discharge hopper 15 through the discharge chute 14, and then discharged to the outside of the device through the discharge hopper 15.

Claims

1. A screening device for regenerated sand production, comprising a screening drum (1), characterized in that: a feed pipe (11) is connected to the top of the screening drum (1), a fixed drum (12) is also connected to the top of the screening drum (1), a discharge pipe (13) is connected to the bottom of the screening drum (1), a discharge trough (14) is provided on the side wall of the screening drum (1), a discharge hopper (15) is provided on one side of the discharge trough (14), a side wall of the discharge hopper (15) is fixedly connected to the screening drum (1), a fixing ring (16) is fixedly connected to the outer periphery of the screening drum (1), a support frame (17) is fixedly connected to the bottom of the fixing ring (16), and a screening mechanism (2) is provided inside the screening drum (1) for screening regenerated sand and classifying and discharging the screened materials.

2. A screening device for regenerated sand production as described in claim 1, characterized in that the screening mechanism (2) includes a rotating screening structure (21) for screening the regenerated sand and a discharging structure (22) for classifying and discharging the screened material.

3. A screening device for regenerated sand production according to claim 2, characterized in that: the rotating screening structure (21) comprises a mounting plate (211), the mounting plate (211) is arranged on the top of the fixed cylinder (12), a stepper motor (212) is fixedly connected to the top of the mounting plate (211), the output shaft of the stepper motor (212) is fixedly connected to a rotating rod (213), the rotating rod (213) passes through the fixed cylinder (12), and the rotating rod (213) is movably connected to the fixed cylinder (12);

The bottom of the rotating rod (213) is fixedly connected to a screen (214), the surface of the screen (214) is arranged inclined, a rotating sleeve (215) is rotatably arranged on the outer periphery of the rotating rod (213), a baffle (216) is fixedly connected to the outer periphery of the rotating sleeve (215), the side wall of the baffle (216) is in contact with the inner wall of the screening drum (1), the bottom of the baffle (216) is in contact with the screen (214), the outer periphery of the rotating sleeve (215) is also fixedly connected to a connecting rod (217), the top of the connecting rod (217) is fixedly connected to a limiting rod (218), the middle part of the limiting rod (218) is arranged to penetrate the screening drum (1), and the limiting rod (218) is slidably connected to the screening drum (1).

4. A screening device for regenerated sand production as described in claim 3, characterized in that: an extrusion spring (3) is provided at the top of the rotating sleeve (215), and the extrusion spring (3) is sleeved on the outer periphery of the rotating rod (213), the top of the extrusion spring (3) is against the fixed cylinder (12), and the bottom of the extrusion spring (3) is against the rotating sleeve (215).

5. A screening device for regenerated sand production as described in claim 3, characterized in that: the discharging structure (22) includes an electric push rod (221), the bottom of the electric push rod (221) is fixedly connected to the screening drum (1), the number of the electric push rods (221) is set to two, the output ends of the two electric push rods (221) are fixedly connected to the mounting plate (211), and the baffle (216) matches the discharging trough (14).