CN116371719A - Sand and stone screening device - Google Patents
Sand and stone screening device Download PDFInfo
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- CN116371719A CN116371719A CN202310659674.1A CN202310659674A CN116371719A CN 116371719 A CN116371719 A CN 116371719A CN 202310659674 A CN202310659674 A CN 202310659674A CN 116371719 A CN116371719 A CN 116371719A
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- 239000004576 sand Substances 0.000 title claims abstract description 97
- 239000004575 stone Substances 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000007790 scraping Methods 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims description 13
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
Abstract
The invention discloses a sand and stone screening device, which relates to the field of sand and stone screening, and comprises a screening mechanism for screening sand and stone, wherein a conveying mechanism for conveying the sand and stone screened by the screening mechanism to fall is arranged below the screening mechanism; the conveying mechanism comprises a conveying belt which is arranged on the frame and can be driven, the conveying belt is arranged below the screening mechanism, an peeling structure used for scraping off sand and stone attached to the conveying belt is arranged at the position, close to the conveying dropping end, of the conveying belt, and the peeling structure is installed and fixed on the frame. This screening plant can reduce the occupation in space, saves the place, improves the effect of screening, and through this screening plant, can reduce the grit that sieves out in addition and adhere to possibility, avoid the grit to cause "card to die" etc. influence to production facility, be favorable to protecting the life of device.
Description
Technical Field
The invention relates to the field of sand screening, in particular to a sand screening device.
Background
Different sandstones have larger structural difference, some particles have uniform thickness, and some particles have different sizes; some sand stones have good chip roundness, and some sand stones have sharp chip edges. The sand belongs to loose matters, but the particles are generally large in hardness and stable in chemical property under the surface environment. For sandstones, the resistance to weathering is generally greater, particularly for siliconized quartz sandstones, which have hardness greater than that of granite; as for sandstone, since ancient times, it is an important building material for large-scale buildings, rock carving, interior decoration and garden yard construction. Sand and stone are widely used in the fields of houses, roads, highways, railways, engineering and the like as high-quality building materials and concrete raw materials due to good hardness and stable chemical properties.
Rock in nature is broken and separated into particles with different sizes under the action of various earth surfaces such as weathering, denudation and the like. These particles are transported and accumulated under the action of water, wind, glacier and the like to form a sand layer. The sand layer formed in the fourth year (200-300 years ago) has formed substantially rock, i.e. various sandstones, gritties, etc. And none of the formation during the fourth period consolidated into rock, i.e., various sand gravel, gravel sand, gritty gravel, etc., or loose deposits of the fourth period. Naturally occurring sand, also known as natural sand, is a material from which humans break stone through equipment such as sand making machines, known as machine-made sand. Whether natural sand or artificial sand is used, the sand is required to be screened before use, and the particle sizes of the screened sand are different in different use environments.
In the existing sand screening process, the used screening machine is large in occupied space, and the screened sand is easy to attach to conveying equipment, so that the screened sand is caused to cause the influence of blocking and the like on production equipment.
Disclosure of Invention
The invention aims to provide a sand and stone screening device which can reduce the occupation of space, save the field and improve the screening effect, and through the screening device, the adhesion possibility of sand and stone screened out can be reduced, the influence of sand and stone on production equipment such as blocking is avoided, and the service life of the device is protected.
The aim of the invention is realized by the following technical scheme:
the sand and stone screening device comprises a screening mechanism for screening sand and stone, wherein a conveying mechanism for conveying the sand and stone which is screened from the screening mechanism to fall down is arranged below the screening mechanism;
the conveying mechanism comprises a conveying belt which is arranged on the frame and can be driven, the conveying belt is arranged below the screening mechanism, an peeling structure for scraping off sand and stone attached to the conveying belt is arranged at the position, close to the conveying dropping end, of the conveying belt, and the peeling structure is fixedly arranged on the frame;
the peeling structure comprises peeling blades, the peeling blades are arranged below the conveying dropping end of the conveying belt and used for scraping sand and stones attached to the conveying belt, the other ends of the peeling blades are detachably arranged on an adjusting structure for connecting limiting peeling blades, and the adjusting structure is connected to the frame in an installation mode.
Preferably, the adjusting structure comprises a connecting plate, the peeling blade is detachably connected with the connecting plate through bolts, two ends of the connecting plate are respectively connected with a fixed plate, one end of the fixed plate, which is far away from the connecting plate, is connected with a rotating shaft, two ends of the rotating shaft are respectively and rotationally connected with a limiting plate, the limiting plates are respectively fixed on a rack, and two ends of one side, which is far away from the connecting plate, of the rotating shaft are respectively connected with a pushing structure for driving the rotating shaft to rotate around the limiting plate.
Preferably, the pushing structures comprise hydraulic rods, one ends of the hydraulic rods are hinged to the rotating shaft, and the other ends of the hydraulic rods are hinged to the frame through connecting seats.
Preferably, the two limiting plates are respectively connected with limiting buckles, the top ends of the limiting buckles are connected with extension springs, and the other ends of the extension springs are connected with the frame.
Preferably, the screening mechanism comprises a screening funnel, a communication funnel and a connecting base arranged on a through center, wherein the bottom end of the communication funnel is installed and connected on the frame, and an outlet of the communication funnel is arranged above the conveying belt;
the periphery of the connecting base is respectively provided with a plurality of compression springs, the compression springs are arranged between the connecting base and the communicating hopper, one ends of the compression springs are respectively connected with the communicating hopper, and the other ends of the compression springs are respectively connected with the connecting base;
the screening funnel is installed and connected to the top end of the connecting base.
Preferably, the screening funnel is connected with the connecting base through a plurality of buffer springs, vibrating motors are respectively installed and connected on two sides between the screening funnel and the connecting base, and screening plates which are detachably arranged and used for screening sand and stones are installed in the screening funnel.
Preferably, one end of the stand is rotationally connected with a driving rotary rod through a rotating shaft, the other end of the stand is rotationally connected with a driven rotary rod through the rotating shaft, and the conveying belt is in transmission connection with the driving rotary rod and the driven rotary rod on the stand;
the driving structure is connected to the driving shaft for driving the driving roller to rotate on the frame.
Preferably, the driving structure comprises a rotating sprocket, a driving sprocket and a servo motor, wherein the rotating sprocket is installed and connected at one end of a rotating shaft on the driving rotary rod, the driving sprocket is in transmission connection with the rotating sprocket through a chain, the driving sprocket is installed and connected on an output shaft of the servo motor, and the servo motor is fixed on the side wall of the frame.
Preferably, a pair of small chain wheels are arranged between the rotating chain wheel and the driving chain wheel, the small chain wheels are respectively used for being in transmission connection with a chain, and the small chain wheels are respectively and rotatably installed and connected on the side wall of the frame.
The beneficial effects of the invention are as follows: the screening device is used for screening the sand and stone, and can screen the sand and stone, so that the screened sand and stone is conveyed to the next working procedure for processing through the screening device, and the processing field is saved; and in the conveying process, the peeling structure which is arranged through the screening device and used for scraping off the sand and stone attached to the conveying belt is used for reducing the phenomenon of blocking. The screening device comprises a screening mechanism for screening sand and stone in structural design, wherein a conveying mechanism for conveying the sand and stone screened from the screening mechanism to fall down is arranged below the screening mechanism, and the sand and stone screened from the screening mechanism to fall on the conveying mechanism is conveyed to the next working procedure position through the conveying mechanism to be processed; simultaneously, conveying mechanism includes the conveyer belt of transmissible setting in the frame, the conveyer belt sets up in the below of screening mechanism, the conveyer belt is close to the conveying and drops the end and is provided with the structure that peels off that is used for scraping off the grit that will adhere to on the conveyer belt, the structure installation that peels off is fixed in the frame, in order to be able to with the grit that adheres to on the conveyer belt, the structure that peels off that sets up includes the blade that peels off, the blade setting that peels off is at conveyer belt conveying drop end below and is used for scraping off the grit that will adhere to on the conveyer belt, the other end detachable of blade that peels off is installed on the regulation structure that is used for connecting spacing blade, regulation structure installs and connects in the frame, through regulation structure, thereby control adjusts the position between blade and the conveyer belt that peels off, thereby realize scraping the grit that will adhere to on the conveyer belt better, avoid causing the phenomenon of "card die" to this screening device. From this screening plant global design, this screening plant can reduce the occupation in space, saves the place, improves the effect of screening, through this screening plant moreover, can reduce the grit that sieves out attached possibility, avoids the grit to cause influence such as "card is dead" to production facility, is favorable to protecting the life of device.
Drawings
FIG. 1 is a schematic diagram of a sand screening device according to the present invention;
FIG. 2 is an exploded schematic view of a structural portion of a sand screening device of the present invention;
FIG. 3 is a schematic diagram of a connection structure of a conveying mechanism of a sand screening device according to the present invention;
in the figure, 1-frame, 11-conveyer belt, 12-peeling blade, 13-connecting plate, 14-fixed plate, 15-limiting plate, 16-hydraulic rod, 17-extension spring, 21-screening hopper, 22-connecting base, 23-connecting hopper, 24-compression spring, 25-buffer spring, 26-vibrating motor, 111-driving rotary rod, 112-driven rotary rod, 113-rotary sprocket, 114-driving sprocket, 115-servo motor, 116-chain and 211-screening plate.
Detailed Description
For the purpose of making the technical solution and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention 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 invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention. It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
As shown in fig. 1 to 3, the sand screening device is used for screening sand, and the sand can be screened through the screening device, so that the screened sand is conveyed to the next process for processing through the screening device, and the processing field is saved; and in the conveying process, the peeling structure which is arranged through the screening device and used for scraping off the sand and stone attached to the conveying belt is used for reducing the phenomenon of blocking. The screening device comprises a screening mechanism for screening sand and stone in structural design, wherein a conveying mechanism for conveying the sand and stone screened from the screening mechanism to fall down is arranged below the screening mechanism, and the sand and stone screened from the screening mechanism to fall on the conveying mechanism is conveyed to the next working procedure position through the conveying mechanism to be processed; meanwhile, the conveying mechanism comprises a conveying belt 11 which is arranged on the frame and can be driven, the conveying belt 11 is arranged below the screening mechanism, an peeling structure for scraping off sand and stone attached to the conveying belt 11 is arranged near the conveying dropping end of the conveying belt 11, the peeling structure is arranged and fixed on the frame 1, the peeling structure comprises a peeling blade 12, the peeling blade 12 is arranged below the conveying dropping end of the conveying belt 11 and is used for scraping off sand and stone attached to the conveying belt 11, the other end of the peeling blade 12 is detachably arranged on an adjusting structure for connecting the limiting peeling blade 12, the adjusting structure is arranged and connected on the frame 1,
through adjusting the structure to the control is adjusted and is peeled off the position between blade 12 and the conveyer belt 11, thereby realizes scraping the grit that adheres to on the conveyer belt 11 better, avoids causing the phenomenon of "card dead" to this screening plant.
Further, in the process of sand and gravel screening through the screening device, the screening device is fixedly installed at the designated position of the design, sand and gravel needing screening conveniently falls on the screening device, and screening treatment is carried out. In order to save space, floor space and the like, the screening device comprises a screening mechanism for screening sand and stone in structural design, and a conveying mechanism for conveying the sand and stone screened by the screening mechanism is arranged below the screening mechanism; the screening device is obtained by combining the traditional screening equipment and the conveying equipment, so that the purposes of saving space and occupying the field are achieved. In the embodiment, the screening mechanism of the screening device comprises a screening funnel 21, a communication funnel 23 and a connecting base 22 arranged through a center, wherein the bottom end of the communication funnel 23 is installed and connected on the frame 1, and an outlet of the communication funnel 23 is arranged above the conveying belt 11; a plurality of compression springs 24 are respectively arranged around the connecting base 22, the compression springs 24 are respectively arranged between the connecting base 22 and the connecting funnel 23, one ends of the compression springs 24 are respectively connected with the connecting funnel 23, and the other ends of the compression springs 24 are respectively connected with the connecting base 22; the screening hopper 21 is mounted and connected to the top end of the connection base 22. When sand to be screened falls into the screening hopper 21 of the screening device; in order to be able to realize screening, the screening plate 211 which is detachably arranged and is used for screening sand and stones is arranged in the screening funnel 21, sand and stones which need to be screened are screened through the screening plate 211, the particles are larger and remain on the screening plate 211, sand and stones which meet the design requirements fall from the screening plate 211, fall into the hollow cavity of the connecting base 22 which is arranged through the screening funnel 21, pass through the hollow cavity of the connecting base 22, and fall onto the conveying belt 11 of the conveying mechanism which is arranged from the lower connecting funnel 23, so that conveying is facilitated. In the embodiment, in order to ensure that sand falling on the screening plate 211 is subjected to vibration screening, vibration motors 26 are respectively arranged on two sides between the screening hopper 21 and the connecting base 22, and the screening hopper 21 is connected with the connecting base 22 through a plurality of buffer springs 25; when the sand and stone to be screened falls on the screening plate 211 in the screening hopper 21, the two vibrating motors 26 are controlled to start respectively, so that the vibrating motors 26 drive the screening hopper 21 connected with the connecting base 22 through the buffer springs 25 to perform vibration screening on the sand and stone falling on the screening plate 211 in the screening hopper 21, larger sand and stone or sand which does not meet the required particle size are left on the screening plate 211, sand and stone meeting the required particle size fall on the conveyer belt 11 arranged below through the screening plate 211, and the conveyer belt 11 is controlled to operate to convey the sand and stone which falls on the conveyer belt 11 and is screened to the next procedure position for processing.
Further, sand falling on the conveyer belt 11 is conveyed to the next process by controlling the conveyer belt 11, and in order to control the conveyer belt 11 to run, a driving rotary rod 111 is rotatably connected to one end of the frame 1 through a rotating shaft, a driven rotary rod 112 is rotatably connected to the other end of the frame 1 through the rotating shaft, and the conveyer belt 11 is in transmission connection with the frame 1 through the driving rotary rod 111 and the driven rotary rod 112; the driving structure for driving the driving rotary rod 111 to rotate on the frame 1 is connected to the rotary shaft of the driving rotary rod 111. The driving structure comprises a rotating sprocket 113, a driving sprocket 114 and a servo motor 115, wherein the rotating sprocket 113 is installed and connected at one end of a rotating shaft on the driving rotary rod 111, the driving sprocket 114 is in transmission connection with the rotating sprocket 113 through a chain 116, the driving sprocket 114 is installed and connected on an output shaft of the servo motor 115, and the servo motor 115 is fixed on the side wall of the frame 1. In the embodiment, the servo motor 115 is controlled to rotate by the existing electrical technology, the servo motor 115 drives the driving sprocket 114 to rotate, the upper chain 116 is matched with the driving sprocket 113 to rotate, the driving sprocket 113 drives the driving roller 111 to rotate, the driving roller 111 is matched with the driven roller 112 at the moment to drive the conveying belt 11 to rotate, sand and stone on the conveying belt 11 are transported to the other end, and the next working procedure is carried out. In order to ensure stable transmission of the chain 116 during operation of the conveyor belt 11, a pair of small sprockets are arranged between the rotary sprocket 113 and the driving sprocket 114, the small sprockets are respectively connected with the chain 116 in a transmission manner, the small sprockets are respectively connected to the side wall of the frame 1 in a rotating manner, the chain 116 is stabilized by the pair of small sprockets, resistance and falling possibility are reduced, later maintenance probability is reduced, and cost is saved.
Further, after the conveyor belt 11 conveys the sand falling on the conveyor belt 11 to the processing end, sand which does not fall from the conveyor belt 11 is still attached to the conveyor belt 11, if the sand attached on the conveyor belt is not scraped off, the possibility of the screening device being blocked is high, and the conveyor belt is stopped, so that an peeling structure for scraping off the sand attached on the conveyor belt 11 is arranged on the conveyor belt 11 near the conveying dropping end, and the peeling structure is mounted and fixed on the frame 1;
the peeling structure comprises peeling blades 12, the peeling blades 12 are arranged below the conveying dropping end of the conveying belt 11 and used for scraping off sand and stones attached to the conveying belt 11, the other ends of the peeling blades 12 are detachably arranged on an adjusting structure for connecting the limiting peeling blades 12, the adjusting structure is connected to the frame 1, and the sand and stones attached to the conveying belt 11 are scraped off through the arranged peeling blades 12, so that the design purpose is achieved. In an embodiment, the adjusting structure is used for adjusting and controlling the relative position of the peeling blade 12, so that the sand and gravel attached to the conveyor belt 11 can be scraped off with maximum efficiency. The adjusting structure for controlling the relative position of the peeling blade 12 and the conveyer belt 11 comprises a connecting plate 13, the peeling blade 12 is detachably connected with the connecting plate 13 through bolts, two ends of the connecting plate 13 are respectively connected with a fixed plate 14, one end of the fixed plate 14 far away from the connecting plate 13 is connected with a rotating shaft, two ends of the rotating shaft are respectively and rotatably connected with a limiting plate 15, the limiting plates 15 are respectively fixed on the frame 1, and two ends of one side of the rotating shaft far away from the connecting plate 13 are respectively connected with a pushing structure for driving the rotating shaft to rotate around the limiting plate 15; the pushing structures all comprise hydraulic rods 16, one ends of the hydraulic rods 16 are hinged with the rotating shafts, and the other ends of the hydraulic rods 16 are hinged with the frame 1 through connecting seats; and, be connected with the limit button respectively on two limiting plates 15, the top of limit button is connected with extension spring 17, and the other end of extension spring 17 is connected with frame 1. Like this, when the relative position of the spalling blade 12 and the conveyer belt 11 is adjusted as required, the two hydraulic rods 16 are controlled to synchronously stretch and retract at this moment, the two hydraulic rods 16 stretch and retract to drive the rotating shafts to rotate around the limiting plates 15 connected with the end heads at two ends respectively, and the two limiting plates 15 are matched with the respective stretching springs 17 arranged on the two limiting plates 15, so that the spalling blade 12 on the connecting plate 13 is driven to move, the relative position of the spalling blade 12 and the conveyer belt 11 is regulated according to the requirement, sand and stone on the conveyer belt 11 are conveniently scraped off, and the probability of the screening device being blocked is reduced. It should be noted that, the screening plates 211 and the screening hopper 21 are detachably arranged, so that the screening plates 211 with different apertures can be conveniently replaced, and then the required sand and stones with different particle sizes can be screened out according to the requirement; and the stripping blade 12 is detachably connected with the connecting plate 13, so that the stripping blade 12 is convenient to replace, the service life of the screening device is prolonged, and the cost is saved. From this screening plant global design, this screening plant can reduce the occupation in space, saves the place, improves the effect of screening, through this screening plant moreover, can reduce the grit that sieves out attached possibility, avoids the grit to cause influence such as "card is dead" to production facility, is favorable to protecting the life of device.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the embodiments in the above description, and various simple modifications can be made to the technical solutions of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further. Furthermore, the foregoing description of the preferred embodiment of the invention is provided for the purpose of limiting the invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention; meanwhile, any combination of various embodiments of the present invention can be made without departing from the spirit of the present invention, which should also be regarded as the disclosure of the present invention.
Claims (9)
1. The sand and stone screening device is characterized by comprising a screening mechanism for screening sand and stone, wherein a conveying mechanism for conveying the sand and stone screened to fall from the screening mechanism is arranged below the screening mechanism;
the conveying mechanism comprises a conveying belt (11) which is arranged on the frame and can be driven, the conveying belt (11) is arranged below the screening mechanism, an peeling structure for scraping off sand and stone attached to the conveying belt (11) is arranged at the position, close to a conveying dropping end, of the conveying belt (11), and the peeling structure is arranged and fixed on the frame (1);
the peeling structure comprises peeling blades (12), the peeling blades (12) are arranged below the conveying dropping end of the conveying belt (11) and used for scraping sand and stones attached to the conveying belt (11), the other ends of the peeling blades (12) are detachably arranged on an adjusting structure used for connecting limiting peeling blades (12), and the adjusting structure is connected to the frame (1).
2. The sand screening device according to claim 1, characterized in that the adjusting structure comprises a connecting plate (13), the peeling blade (12) is detachably connected with the connecting plate (13) through bolts, two ends of the connecting plate (13) are respectively connected with a fixed plate (14), one end of the fixed plate (14) far away from the connecting plate (13) is connected with a rotating shaft, two ends of the rotating shaft are respectively connected with a limiting plate (15), the limiting plates (15) are respectively fixed on the frame (1), and two ends of one side of the rotating shaft far away from the connecting plate (13) are respectively connected with a pushing structure for driving the rotating shaft to rotate around the limiting plates (15).
3. A sand screening device according to claim 2, wherein the pushing structures comprise hydraulic rods (16), one ends of the hydraulic rods (16) are hinged to the rotating shaft, and the other ends of the hydraulic rods (16) are hinged to the frame (1) through connecting seats.
4. A sand screening device according to claim 3, characterized in that two limiting plates (15) are respectively connected with limiting buckles, the top ends of the limiting buckles are connected with extension springs (17), and the other ends of the extension springs (17) are connected with the frame (1).
5. The sand screening device according to claim 1, wherein the screening mechanism comprises a screening funnel (21), a communicating funnel (23) and a connecting base (22) arranged through a center, the bottom end of the communicating funnel (23) is installed and connected on the frame (1), and an outlet of the communicating funnel (23) is arranged above the conveying belt (11);
a plurality of compression springs (24) are respectively arranged around the connecting base (22), the compression springs (24) are respectively arranged between the connecting base (22) and the communicating hopper (23), one ends of the compression springs (24) are respectively connected with the communicating hopper (23), and the other ends of the compression springs (24) are respectively connected with the connecting base (22);
the screening hopper (21) is installed and connected to the top end of the connecting base (22).
6. The sand screening device according to claim 5, characterized in that the screening hopper (21) is connected with the connecting base (22) through a plurality of buffer springs (25), vibration motors (26) are respectively installed and connected on two sides between the screening hopper (21) and the connecting base (22), and screening plates (211) which are detachably arranged and used for screening sand are installed in the screening hopper (21).
7. The sand screening device according to claim 1, wherein one end of the frame (1) is rotatably connected with a driving rotary rod (111) through a rotating shaft, the other end of the frame (1) is rotatably connected with a driven rotary rod (112) through the rotating shaft, and the conveying belt (11) is in transmission connection with the driven rotary rod (112) on the frame (1) through the driving rotary rod (111);
the driving structure for driving the driving rotary rod (111) to rotate on the frame (1) is connected to the rotary shaft of the driving rotary rod (111).
8. The sand screening device according to claim 7, characterized in that the driving structure comprises a rotating sprocket (113), a driving sprocket (114) and a servo motor (115), wherein the rotating sprocket (113) is installed and connected with one end of a rotating shaft on the driving rotary rod (111), the driving sprocket (114) is in transmission connection with the rotating sprocket (113) through a chain (116), the driving sprocket (114) is installed and connected on an output shaft of the servo motor (115), and the servo motor (115) is fixed on the side wall of the frame (1).
9. A sand screening device according to claim 8, characterized in that a pair of small sprockets are arranged between the rotating sprocket (113) and the driving sprocket (114), said small sprockets being respectively adapted for driving connection with the chain (116), said small sprockets being respectively rotatably mounted on the side walls of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310659674.1A CN116371719A (en) | 2023-06-06 | 2023-06-06 | Sand and stone screening device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310659674.1A CN116371719A (en) | 2023-06-06 | 2023-06-06 | Sand and stone screening device |
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| Publication Number | Publication Date |
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| CN116371719A true CN116371719A (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310659674.1A Pending CN116371719A (en) | 2023-06-06 | 2023-06-06 | Sand and stone screening device |
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| Country | Link |
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| CN (1) | CN116371719A (en) |
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