CN117101759B - Vibration screening equipment and screening method for asphalt concrete production - Google Patents
Vibration screening equipment and screening method for asphalt concrete production Download PDFInfo
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- CN117101759B CN117101759B CN202311386481.XA CN202311386481A CN117101759B CN 117101759 B CN117101759 B CN 117101759B CN 202311386481 A CN202311386481 A CN 202311386481A CN 117101759 B CN117101759 B CN 117101759B
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- 238000012216 screening Methods 0.000 title claims abstract description 122
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 102
- 238000000926 separation method Methods 0.000 claims description 35
- 238000007873 sieving Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000003116 impacting effect Effects 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 19
- 239000000463 material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/14—Stamping mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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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
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses vibration screening equipment and a screening method for asphalt concrete production, and relates to the technical field of concrete screening. According to the vibration screening equipment and the screening method for asphalt concrete production, falling concrete with overlarge flow is pulled by the drainage plates and conveyed downwards through the through holes, so that the effect of separating and conveying the concrete to avoid stacking is achieved.
Description
Technical Field
The invention relates to the technical field of concrete screening, in particular to vibration screening equipment and a screening method for asphalt concrete production.
Background
Concrete is one of the most important civil engineering materials in the current generation, and refers to a general term of engineering composite materials in which aggregate is cemented into a whole by cementing materials, the term of concrete is generally used as cementing materials, sand and stone are used as aggregates and water (which can contain additives and admixtures) are mixed according to a certain proportion, and the cement concrete is obtained by stirring, and before the concrete is produced, sand and stone cement are screened by a screening device, so that the quality of the concrete is ensured.
The following problems exist for the existing concrete vibration screening equipment: 1. the problem of blockage and accumulation of concrete caused by overlarge input flow in the process of conveying the concrete; 2. the concrete can remain a large number of oversized concrete blocks before sieving, and the concrete blocks also need to be crushed and sieved; 3. traditional concrete screening is driven by external factors such as a motor to further screen, and electric power and external equipment are needed to complete the screening.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the vibration screening device comprises an anti-blocking device, a first screening device, a driver and a second screening device, wherein the anti-blocking device is fixedly arranged at the top of the first screening device, the driver is fixedly arranged at the outer side of the first screening device, the bottom of the first screening device is fixedly connected with a support, the second screening device is fixedly arranged in the support, and the top of the second screening device is fixedly connected with the first screening device;
the anti-blocking device comprises an outer shell, wherein the outer shell is fixedly connected to the top of a first screening device, an elastic strip is fixedly connected to the inner side of the outer shell, a sliding block is fixedly connected to the top of the elastic strip, the sliding block is slidably connected to the inner side of the outer shell, one end, away from the elastic strip, of the sliding block is fixedly connected with an inner shell, the inner shell is arranged in an inner cavity of the outer shell, and a collision plate is fixedly connected to the inner part of the inner shell; the striking plate is fixedly connected to the inner wall of the inner shell, so that the inner shell can move downwards along the inner wall of the outer shell through the sliding block, and the elastic strip fixedly connected to the bottom of the sliding block plays a role in resetting the sliding block and the inner shell when the sliding block and the inner shell are not piled up or impacted by concrete.
The inner side of the inner shell is fixedly connected with a drainage plate, the drainage plate is arranged above the collision and scattering plate, the top of the inner shell is fixedly connected with a tentering sheet, the top of the tentering sheet is fixedly connected with the inner side of the outer shell, and the outer side of the tentering sheet is provided with a through hole; wherein, the inner side of the inner shell is fixedly connected with a drainage plate, so that partial fallen concrete can be downwards conveyed along the drainage plate and through the through holes, thereby playing the role of separating and conveying the concrete to avoid the problem of accumulation
The first screening device comprises a leakage-proof shell, the top of the leakage-proof shell is fixedly connected with a shell, the bottom of the leakage-proof shell is fixedly connected with a second screening device and a support respectively, a rotating shaft is rotatably connected to the inside of the leakage-proof shell, the outer side of the rotating shaft is connected with a driver through a coupler, a shaft sleeve is fixedly connected to the outer side of the rotating shaft, and a separation inner frame is fixedly connected to the outer side of the shaft sleeve;
the inner side of the separation inner frame is provided with a slotted hole, the inner side of the slotted hole is connected with a bearing bent plate in a sliding manner, the top of the bearing bent plate is fixedly connected with an arc-shaped plate, the bottom of the bearing bent plate is fixedly connected with a spring, and the bottom of the spring is fixedly connected with a shaft sleeve.
Preferably, the inside fixedly connected with pivot of separating inside casing, the outside of pivot rotates and is connected with the triple board, the outer end sliding connection of triple board has spacing slide bar, spacing slide bar is in the inside one end fixedly connected with panel of triple board, the panel is pegged graft in the inside of triple board, the panel is kept away from the one end fixedly connected with impact hammer of triple board, the side of impact hammer is provided with the perforation, the outside at separating the inside casing is seted up to the perforation. The impact hammer is press fit inside the separate inner frame, but when the impact hammer is at the bottom, the panel will extend from the tri-link plate so that the impact hammer rotates along the upper surface of the arcuate plate to break up the concrete deposited on the arcuate plate.
Preferably, the top fixedly connected with putty of separating the inside casing, the inside fixedly connected with inner panel of separating the inside casing, the inner panel is in the top of panel, the one end fixed link that separates the inside casing was kept away from to the inner panel has the axle bed, the inside rotation of axle bed is connected with changes the putty plate, the below of changeing the putty plate is provided with the limiting plate, limiting plate fixed connection is in the bottom of inner panel, the top of changeing the putty plate is provided with the drainage ware. When the impact hammer and the panel rotate below the plugging plate and impact the plugging plate, the plugging plate can deflect upwards through the shaft seat, and the plugging plate can temporarily stop the concrete conveyed from the upper part, so that the concrete is prevented from falling on the other side of the triple plate and rotating reversely.
Preferably, the second screening device comprises a connecting plate, the connecting plate is fixedly connected to the inner side of the leakage-proof shell, two ends of the connecting plate are fixedly connected with the separation inner frame, two ends of the connecting plate are respectively and fixedly connected with a left traction strip and a right traction strip, the left traction strip and the right traction strip are arranged below the separation inner frame, and one ends of the left traction strip and the right traction strip, which are far away from the connecting plate, are fixedly connected with the leakage-proof shell.
Preferably, the side of linking the board is provided with the cardboard, cardboard fixed connection is in the inboard of leak protection shell, one side fixedly connected with No. three magnets of leak protection shell is kept away from to the cardboard, the bottom fixedly connected with screening subassembly of cardboard, screening subassembly fixed connection is in the bottom of leak protection shell.
Preferably, the drainage device comprises a first magnet which is fixedly connected to the inner side of the leakage-proof shell, a second magnet is arranged below the first magnet, a drainage plate is fixedly connected to the bottom of the second magnet, and the drainage plate is inserted into the separation inner frame. Through the repulsive relationship between the first magnet and the second magnet, the drainage plate separating the inner separating frame and the leakage-proof shell is retracted into the inner separating frame due to repulsive force between the two magnets, so that concrete discharged from the outer shell is retracted into the inner separating frame.
Preferably, the screening subassembly includes screening shell, screening shell fixed connection is in the bottom of leak protection shell, screening shell's the outside and cardboard fixed connection, screening shell's inside fixedly connected with even axle, even the outside rotation of axle is connected with the balance plate, the bottom fixedly connected with bullet line of balance plate, the bottom and the screening shell fixed connection of bullet line.
Preferably, the both ends of balance board are fixedly connected with elastic sheet respectively, the below of elastic sheet is provided with flexible baffle, flexible baffle's top and balance board fixed connection, flexible baffle sliding connection is in the inboard of screening shell.
Preferably, the outside intercommunication of screening shell has communicating pipe, the one end intercommunication that the screening shell was kept away from to communicating pipe has the side shell, the inside rotation of side shell is connected with the connecting rod, the outside fixedly connected with of connecting rod goes up and down to roll up, the bottom of connecting rod is connected with the motor through the coupling joint, motor fixed connection is in the bottom of side shell. Because the excessive concrete is piled up on one side of the balance plate and runs off, the other side of the balance plate deflects downwards, and the same operation is performed, and when the excessive piled concrete returns to the balance plate again through the separator, the balance plate deflects on the one side again, so that the shaking or vibration of the concrete is realized through the transportation and the running off of the concrete on the balance plate, and the concrete is screened.
Preferably, the outside intercommunication of side shell has separates the ware, separate the one end cover that separates the ware and keep away from the side shell and establish in the outside of screening shell, separate the ware and include the return bend, the one end and the side shell of return bend are linked together, the one end that the side shell was kept away from to the return bend is connected with screening shell, the inside fixedly connected with clamping lever of return bend, the outside rotation of clamping lever is connected with turns over the board, the top fixedly connected with traction plate that turns over the board, the terminal surface fixedly connected with that turns over the board blocks up the pulling-on piece, the bottom fixedly connected with underframe of blocking up the pulling-on piece, underframe fixedly connected with is in the bottom of return bend. When the large concrete enters the bottom frame for collection, the other side of the turning plate upwards pulls up the blocking pull piece, wherein the blocking pull piece is elastic, and simultaneously, the blocking pull piece plays a role in blocking the concrete sliding subsequently, so that the concrete with the required size is prevented from falling into the bottom frame.
A vibratory screening method for asphalt concrete production, comprising the steps of:
step one, anti-blocking conveying, namely enabling an inner shell connected with the inner shell to move downwards through the impact of concrete on a collision plate, expanding a tentering sheet fixed at the top of the inner shell, wherein the surface of the tentering sheet is provided with a through hole, and meanwhile, the inner side of the inner shell is fixedly connected with a drainage plate, so that part of fallen concrete can be conveyed downwards along the drainage plate and penetrates through the through hole;
step two, crushing processing, namely enabling the rotating shaft to drive the shaft sleeve and the separation inner frame to rotate together along with the starting of the driver, and enabling concrete conveyed into the separation inner frame to be continuously impacted by the impact hammer for crushing processing;
thirdly, vibrating and screening, wherein the concrete falls on the balance plate after the crushing is finished, and the balance plate falls on one side because the concrete is scattered on the balance plate irregularly, and the concrete falling on one side falls into the side shell, so that the balance plate falls on the other side, and the concrete is screened by continuously deflecting the two sides of the balance plate;
step four, separating and extracting, wherein concrete can reenter the screening shell through the lifting coil, but the concrete can pass through the bent pipe between the lifting coil and the screening shell, and when the bulk concrete rolls on the traction plate, the traction plate can drive the turning plate so that the bulk concrete falls into the bottom frame for collecting and extracting.
The invention provides vibration screening equipment and a screening method for asphalt concrete production. The beneficial effects are as follows:
1. according to the vibration screening equipment and the screening method for asphalt concrete production, the inner shell connected with the vibration screening equipment is enabled to move downwards due to the fact that the collision plate is impacted by concrete, so that the tentering sheets fixed at the top of the inner shell are unfolded, through holes are formed in the surfaces of the tentering sheets, meanwhile, the drainage plates are fixedly connected to the inner side of the inner shell, and therefore part of fallen concrete can be conveyed downwards along the drainage plates and through the through holes, and the effect of separating and conveying the concrete to avoid stacking is achieved.
2. According to the vibration screening device and the screening method for asphalt concrete production, the drainage plate which originally separates the separation inner frame from the leakage-proof shell can be retracted into the separation inner frame due to repulsive force between the two magnets, so that concrete discharged from the shell can enter the separation inner frame, the concrete in the shell can enter the separation inner frame when the upward opening of the separation inner frame reaches the top, and the concrete in the shell can be blocked by the drainage plate and the blocking block when the separation inner frame is at other positions.
3. According to the vibration screening device and the screening method for asphalt concrete production, the impact hammers are extrusion-fit inside the separation inner frame, but when the impact hammers are positioned at the bottom, the panel extends out of the three-connecting plate so that the impact hammers rotate along the upper surface of the arc-shaped plate to play a role in crushing concrete accumulated on the arc-shaped plate.
4. According to the vibration screening device and the screening method for asphalt concrete production, excessive concrete is accumulated on one side of the balance plate and is lost, so that the other side of the balance plate can deflect downwards, the same operation is achieved, and when the accumulated excessive concrete returns to the balance plate again through the separator, the balance plate deflects on one side, so that shaking or vibration of the balance plate is achieved through conveying and loss of the concrete on the balance plate, and the concrete is screened.
5. According to the vibration screening equipment and the screening method for asphalt concrete production, large concrete enters the bottom frame for collection, the other side of the turning plate upwards pulls up the blocking pull piece, the blocking pull piece is elastic, meanwhile, the blocking pull piece plays a role in blocking follow-up sliding concrete, and the fact that the concrete with the required size falls into the bottom frame is avoided.
Drawings
FIG. 1 is a flow chart of a vibratory screening method for asphalt concrete production of the present invention;
FIG. 2 is a schematic view of the external structure of a vibratory screening apparatus for asphalt concrete production according to the present invention;
FIG. 3 is a schematic overall sectional view of the present invention;
FIG. 4 is a schematic cross-sectional view of the anti-blocking apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view of a first screen of the present invention;
FIG. 6 is an enlarged schematic view of a portion of a first screen according to the present invention;
FIG. 7 is a schematic diagram of a flow diverter according to the present invention;
FIG. 8 is a schematic diagram of a second embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a screen assembly of the present invention;
FIG. 10 is a schematic cross-sectional view of a separator of the present invention.
In the figure: 1. an anti-blocking device; 2. a first sifter; 3. a driver; 4. a second classifier; 5. a bracket; 11. a housing; 12. spring strips; 13. a slide block; 14. an inner case; 15. a striker plate; 16. a drainage plate; 17. a tenter sheet; 18. a through hole; 21. a leak-proof shell; 22. a rotating shaft; 23. a shaft sleeve; 24. a separating inner frame; 25. a slot hole; 26. receiving the bent plate; 27. an arc-shaped plate; 28. a support shaft; 29. a third connecting plate; 20. a limit slide bar; 201. a panel; 202. a percussion hammer; 203. blocking; 204. an inner plate; 205. a shaft seat; 206. a plugging plate; 207. a limiting plate; 208. a drainage device; 209. perforating; 210. a spring; 2081. a magnet number one; 2082. a magnet number two; 2083. a drainage plate; 41. a left traction bar; 42. a right traction bar; 43. a connecting plate; 44. a clamping plate; 45. a magnet III; 46. a screen assembly; 461. screening the shell; 462. a connecting shaft; 463. a balance plate; 464. spring wire; 465. an elastic sheet; 466. a telescopic baffle; 467. a side case; 468. lifting the coil; 469. a connecting rod; 460. a motor; 4601. a divider; 4602. a communicating pipe; 6011. bending the pipe; 6012. a clamping rod; 6013. turning plate; 6014. a traction plate; 6015. plugging pull pieces; 6016. a bottom frame.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
In a first embodiment, as shown in fig. 1 to 10, the present invention provides a technical solution: the utility model provides a vibration screening equipment and screening method for asphalt concrete production, includes anti-blocking device 1, no. one screening ware 2, driver 3 and No. two screening ware 4, anti-blocking device 1 fixed mounting is at No. one screening ware 2's top, driver 3 fixed mounting is in No. one screening ware 2's outside, no. one screening ware 2's bottom fixedly connected with support 5, no. two screening ware 4 are installed to the inside fixed mounting of support 5, no. two screening ware 4's top and No. one screening ware 2 fixed connection.
The anti-blocking device 1 comprises an outer shell 11, the outer shell 11 is fixedly connected to the top of a first screening device 2, an elastic strip 12 is fixedly connected to the inner side of the outer shell 11, a sliding block 13 is fixedly connected to the top of the elastic strip 12, the sliding block 13 is slidably connected to the inner side of the outer shell 11, one end of the sliding block 13, which is far away from the elastic strip 12, is fixedly connected with an inner shell 14, the inner shell 14 is arranged in an inner cavity of the outer shell 11, a collision plate 15 is fixedly connected to the inner side of the inner shell 14, a drainage plate 16 is arranged above the collision plate 15, a tentering sheet 17 is fixedly connected to the top of the inner shell 14, the top of the tentering sheet 17 is fixedly connected to the inner side of the outer shell 11, and a through hole 18 is formed in the outer side of the tentering sheet 17.
By throwing concrete from the top of outer shell 11, when the thrown concrete is too much to cause it to strike or accumulate on strike-off plate 15, strike-off plate 15 is subjected to a downward force, wherein strike-off plate 15 is fixedly attached to the inner wall of inner shell 14, so that inner shell 14 is moved down along the inner wall of outer shell 11 by slide 13, wherein spring 12 fixedly attached to the bottom of slide 13 acts as a return for slide 13 and inner shell 14 when not being piled or struck by concrete.
Therefore, as the inner shell 14 moves downward, the tenter sheet 17 fixed on the top of the inner shell is unfolded, however, the surface of the tenter sheet 17 is provided with the through holes 18, and meanwhile, the inner side of the inner shell 14 is fixedly connected with the drainage plates 16, so that part of the dropped concrete can be conveyed downward along the drainage plates 16 and through the through holes 18, and the effect of separating and conveying the concrete to avoid stacking problems is achieved.
The first screening device 2 comprises a leakage-proof shell 21, the top of the leakage-proof shell 21 is fixedly connected with a shell 11, the bottom of the leakage-proof shell 21 is fixedly connected with a second screening device 4 and a bracket 5 respectively, the inside of the leakage-proof shell 21 is rotationally connected with a rotating shaft 22, the outer side of the rotating shaft 22 is connected with a driver 3 through a coupler, the outer side of the rotating shaft 22 is fixedly connected with a shaft sleeve 23, the outer side of the shaft sleeve 23 is fixedly connected with a separation inner frame 24, the inner side of the separation inner frame 24 is provided with a slotted hole 25, the inner side of the slotted hole 25 is slidingly connected with a receiving bent plate 26, the top of the receiving bent plate 26 is fixedly connected with an arc plate 27, the bottom of the receiving bent plate 26 is fixedly connected with a spring 210, the bottom of the spring 210 is fixedly connected with the shaft sleeve 23, the inner side of the separation inner frame 24 is fixedly connected with a support shaft 28, the outer side of the support shaft 28 is rotationally connected with a triple plate 29, the outer end of the triple plate 29 is slidingly connected with a limit slide bar 20, one end of the limit slide bar 20 positioned in the triple plate 29 is fixedly connected with a panel 201, the panel 201 is inserted in the triple plate 29, one end of the panel 201 away from the triple plate 29 is fixedly connected with a striking hammer 202, the side of the striking hammer 202 is provided with a perforation 209, the perforation 209 is arranged on the outer side of the separation inner frame 24, the top of the separation inner frame 24 is fixedly connected with a blocking block 203, the inside of the separation inner frame 24 is fixedly connected with an inner plate 204, the inner plate 204 is positioned above the panel 201, one end of the inner plate 204 away from the separation inner frame 24 is fixedly connected with a shaft seat 205, the inside of the shaft seat 205 is rotatably connected with a blocking plate 206, the lower part of the blocking plate 206 is provided with a limit plate 207, the limit plate 207 is fixedly connected with the bottom of the inner plate 204, a drainage device 208 is arranged above the plugging plate 206.
The drainage device 208 comprises a magnet 2081, the magnet 2081 is fixedly connected to the inner side of the leakage-proof shell 21, a magnet 2082 is arranged below the magnet 2081, a drainage plate 2083 is fixedly connected to the bottom of the magnet 2082, and the drainage plate 2083 is inserted into the separation inner frame 24.
By actuating the driver 3, the rotary shaft 22 connected to the output end thereof via the coupling rotates, and the outer side of the rotary shaft 22 is connected to the separating inner frame 24 via the shaft sleeve 23, so that the separating inner frame 24 rotates, and when the leakage plate 2083 inserted in the separating inner frame 24 rotates to the position where the leakage preventing shell 21 is connected to the outer shell 11, the second magnet 2082 fixedly connected to the top of the leakage plate 2083 repels the first magnet 2081 fixedly connected to the leakage preventing shell 21, and at this time, the leakage plate 2083 originally separating the separating inner frame 24 from the leakage preventing shell 21 is attached to the inside of the separating inner frame 24 due to the repulsive force between the two magnets, so that the concrete discharged from the outer shell 11 enters the inside of the separating inner frame 24, so that the concrete inside the outer shell 11 enters the separating inner frame when the opening of the separating inner frame 24 is up to the top, and when the separating inner frame 24 is at the rest, the concrete inside the outer shell 11 is blocked by the leakage plate 2083 and the block 203.
As the drainage plate 2083 passes over the magnet number one 2081, the magnets 2081 and the magnets 2082 are still in repulsive relationship, so that the drainage plate 2083 re-protrudes from the inside of the separating inner frame 24 and blocks the subsequent concrete from entering, the concrete entering the inside of the separating inner frame 24 is accumulated on the arc plate 27, but as the concrete accumulates too much, the receiving curved plate 26 fixedly connected to the bottom of the arc plate 27 moves down along the slot 25, and the perforated holes 209 formed on the separating inner frame 24 are caused to generate relative air flow by rotating the separating inner frame 24, and the relative air flow is blown onto the triple plate 29, at this time, the triple plate 29 rotates by the support shaft 28, wherein the inside of the triple plate 29 is inserted with the panel 201, and the other end of the panel 201 is connected with the panel 202, and the impact hammer 202 is extrusion fitted inside the separating inner frame 24, but when the impact hammer 202 is at the bottom, the panel 201 protrudes from the inside of the triple plate 29, so that the perforation 209 is caused to generate relative air flow on the triple plate 29 along the upper surface of the rotating arc plate 27 to impact hammer 27.
When the impact hammer 202 and the panel 201 rotate below the turning block plate 206 and impact the same, the turning block plate 206 deflects upwards through the shaft seat 205, and the turning block plate 206 temporarily stops the concrete delivered from above to prevent the concrete from falling to the other side of the triple plate 29 and causing the reverse rotation.
The second screening device 4 comprises a connecting plate 43, the connecting plate 43 is fixedly connected to the inner side of the leakage-proof shell 21, two ends of the connecting plate 43 are fixedly connected with the separation inner frame 24, two ends of the connecting plate 43 are fixedly connected with a left traction strip 41 and a right traction strip 42 respectively, the left traction strip 41 and the right traction strip 42 are arranged below the separation inner frame 24, one ends of the left traction strip 41 and the right traction strip 42, far away from the connecting plate 43, are fixedly connected with the leakage-proof shell 21, clamping plates 44 are arranged beside the connecting plate 43, the clamping plates 44 are fixedly connected to the inner side of the leakage-proof shell 21, one sides of the clamping plates 44, far away from the leakage-proof shell 21, are fixedly connected with a third magnet 45, and the bottom of the clamping plates 44 is fixedly connected with a screening assembly 46, and the screening assembly 46 is fixedly connected to the bottom of the leakage-proof shell 21.
The screening assembly 46 includes screening shell 461, screening shell 461 fixed connection is in the bottom of leak protection shell 21, screening shell 461's outside and cardboard 44 fixed connection, screening shell 461's inside fixedly connected with axle 462, the outside rotation of axle 462 is connected with balanced board 463, balanced board 463's bottom fixedly connected with bullet line 464, the bottom and the screening shell 461 fixed connection of bullet line 464, balanced board 463's both ends fixedly connected with elastic piece 465 respectively, elastic piece 465's below is provided with flexible baffle 466, flexible baffle 466's top and balanced board 463 fixed connection, flexible baffle 466 sliding connection is in screening shell 461's inboard, screening shell 461's outside intercommunication has communicating pipe 4602, communicating pipe 4602 keeps away from screening shell 461's one end intercommunication has side case 467, side case 467's inside rotation is connected with connecting rod 469, connecting rod 469's outside fixedly connected with goes up and down to roll, the bottom of connecting rod 469 has motor 460 through coupling 460, motor 460 fixedly connected with elastic piece 465 at the bottom of side case 467 and balanced board 463 fixed connection 463, flexible baffle 466 sliding connection is in screening shell 461's the outside, the outside of the side case 4601 is kept away from the side case 4601.
In addition, when the separation inner frame 24 is rotated to the bottom, the blocking blocks 203 fixedly connected to the outer side thereof are compressed and rotated along the right traction bar 42 and the left traction bar 41, respectively, and repulsive force is generated when the magnet 2082 is moved to a certain distance from the magnet 45, and then the drainage plate 2083 fixedly connected to the magnet 2082 is retracted into the separation inner frame 24, and the concrete crushed by the impact hammer 202 is introduced into the inside along the outer side of the sieving case 461.
The concrete that gets into screening shell 461 inside can remain on the left and right sides of balance plate 463, when the concrete that is piled up of which part is more, balance plate 463 will go on decurrent deflection towards this direction, wherein the top of balance plate 463 is connected with screening shell 461 through elastic piece 465, and elastic piece 465 is elastic and plays the reset effect to balance plate 463, the bottom fixedly connected with flexible baffle 466 of balance plate 463 in addition, consequently, with the decurrent deflection of balance plate 463 for flexible baffle 466 will shrink and move down along screening shell 461, at this moment originally by flexible baffle 466 the communicating pipe 4602 that is blocked up will be linked together with screening shell 461, at this moment pile up the concrete that is too big or is not sieved on balance plate 463 will get into the inside of side shell 467 through communicating pipe 4602, later restart motor 460 makes connecting rod 469 drive the lift roll and rotates, at this moment lift roll will take place the upward movement and carry the inside of getting into screening shell 461 through the spacer 4601 again, because of the decurrent movement of balance plate 463 one side is too much, make the concrete that is piled up and can take place to realize the balance plate 463 and the time is lost through the same and the vibration of the same time of the balance plate 463 and the vibration of the same, can take place in order to realize the operation of decurrent balance plate 463 and can take place on the time when the concrete is piled up more and the balance plate is piled up by the vibration of the balance plate 463.
The separator 4601 comprises an elbow 6011, one end of the elbow 6011 is communicated with a side shell 467, one end of the elbow 6011 away from the side shell 467 is connected with a screening shell 461, a clamping rod 6012 is fixedly connected to the inside of the elbow 6011, a turning plate 6013 is rotatably connected to the outside of the clamping rod 6012, a traction plate 6014 is fixedly connected to the top of the turning plate 6013, a pulling piece 6015 is fixedly connected to the end face of the turning plate 6013, a bottom frame 6016 is fixedly connected to the bottom of the pulling piece 6015, and the bottom frame 6016 is fixedly connected to the bottom of the elbow 6011.
The concrete entering the inside of the bent pipe 6011 is mixed with large blocks and the required screening size, when the large blocks of concrete roll onto the traction plate 6014, the traction plate 6014 drives the turning plate 6013 to rotate anticlockwise through the clamping rod 6012, at this time, the large blocks of concrete enter the bottom frame 6016 to be collected, the blocking pull piece 6015 is pulled upwards by the other side of the turning plate 6013, the blocking pull piece 6015 is elastic, and meanwhile the blocking pull piece 6015 plays a role in blocking the concrete sliding subsequently, so that the concrete with the required size is prevented from falling into the bottom frame 6016.
As shown in fig. 1 to 10, a vibration screening method for asphalt concrete production includes the steps of:
step one, anti-blocking conveying, namely, through the impact of concrete on a collision plate 15, enabling an inner shell 14 connected with the anti-blocking conveying to move downwards, expanding a tenter sheet 17 fixed on the top of the anti-blocking conveying, wherein through holes 18 are formed in the surface of the tenter sheet 17, and meanwhile, a drainage plate 16 is fixedly connected to the inner side of the inner shell 14, so that part of fallen concrete can be conveyed downwards along the drainage plate 16 and penetrates through the through holes 18;
step two, crushing processing, along with the starting of the driver 3, the rotating shaft 22 drives the shaft sleeve 23 and the separation inner frame 24 to rotate together, and the concrete conveyed into the separation inner frame 24 is continuously impacted by the impact hammer 202 to perform crushing processing;
step three, vibration screening, namely, after the concrete is crushed, the concrete falls on the balance plate 463, and because the concrete is scattered on the balance plate 463 randomly, the balance plate 463 falls on one side, and the concrete falling on one side falls into the side shell 467, so that the balance plate 463 falls on the other side, and the concrete is screened by continuously deflecting the two sides of the balance plate 463;
step four, separate extraction, the concrete will reenter the screening shell 461 through the lifting roll 468, but will pass through the elbow 6011 therebetween, and when the bulk concrete rolls on the traction plate 6014, the traction plate 6014 will drive the turning plate 6013 to make the bulk concrete fall into the bottom frame 6016 for collection and extraction.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (5)
1. A vibration screening equipment for asphalt concrete production, including preventing stifled ware (1), no. one screening ware (2), driver (3) and No. two screening ware (4), its characterized in that: the anti-blocking device (1) is fixedly arranged at the top of the first sieving device (2), the driver (3) is fixedly arranged at the outer side of the first sieving device (2), the bottom of the first sieving device (2) is fixedly connected with a bracket (5), the second sieving device (4) is fixedly arranged in the bracket (5), and the top of the second sieving device (4) is fixedly connected with the first sieving device (2);
the anti-blocking device (1) comprises an outer shell (11), wherein the outer shell (11) is fixedly connected to the top of a first screening device (2), an elastic strip (12) is fixedly connected to the inner side of the outer shell (11), a sliding block (13) is fixedly connected to the top of the elastic strip (12), the sliding block (13) is slidably connected to the inner side of the outer shell (11), an inner shell (14) is fixedly connected to the outer side of the sliding block (13), and a collision plate (15) is fixedly connected to the inner side of the inner shell (14);
the inner side of the inner shell (14) is fixedly connected with a drainage plate (16), the drainage plate (16) is arranged above the collision plate (15), the top of the inner shell (14) is fixedly connected with a tentering sheet (17), the top of the tentering sheet (17) is fixedly connected with the inner side of the outer shell (11), and a through hole (18) is formed in the outer side of the tentering sheet (17);
the first screening device (2) comprises a leakage-proof shell (21), the top of the leakage-proof shell (21) is fixedly connected with a shell (11), the bottom of the leakage-proof shell (21) is fixedly connected with a second screening device (4) and a support (5) respectively, a rotating shaft (22) is rotatably connected in the leakage-proof shell (21), the outer side of the rotating shaft (22) is connected with a driver (3) through a coupling, a shaft sleeve (23) is fixedly connected to the outer side of the rotating shaft (22), and a separation inner frame (24) is fixedly connected to the outer side of the shaft sleeve (23);
the inner side of the separation inner frame (24) is provided with a slotted hole (25), the inside of the slotted hole (25) is connected with a bearing bent plate (26) in a sliding manner, the top of the bearing bent plate (26) is fixedly connected with an arc plate (27), the bottom of the bearing bent plate (26) is fixedly connected with a spring (210), and the bottom of the spring (210) is fixedly connected with a shaft sleeve (23);
the second screening device (4) comprises a connecting plate (43), the connecting plate (43) is fixedly connected to the inner side of the leakage-proof shell (21), two ends of the connecting plate (43) are fixedly connected with the separation inner frame (24), a left traction strip (41) and a right traction strip (42) are fixedly connected to two ends of the connecting plate (43) respectively, the left traction strip (41) and the right traction strip (42) are arranged below the separation inner frame (24), and one ends, far away from the connecting plate (43), of the left traction strip (41) and the right traction strip (42) are fixedly connected with the leakage-proof shell (21);
the side of the connecting plate (43) is provided with a clamping plate (44), the clamping plate (44) is fixedly connected to the outer side of the leakage-proof shell (21), one side, far away from the leakage-proof shell (21), of the clamping plate (44) is fixedly connected with a third magnet (45), the bottom of the clamping plate (44) is fixedly connected with a screening component (46), and the screening component (46) is fixedly connected to the bottom of the leakage-proof shell (21);
the screening assembly (46) comprises a screening shell (461), the screening shell (461) is fixedly connected to the bottom of the leakage-proof shell (21), the outer side of the screening shell (461) is fixedly connected with a clamping plate (44), a connecting shaft (462) is fixedly connected to the inner side of the screening shell (461), a balance plate (463) is rotatably connected to the outer side of the connecting shaft (462), a spring wire (464) is fixedly connected to the bottom of the balance plate (463), and the spring wire (464) is fixedly connected to the bottom of the screening shell (461);
elastic sheets (465) are fixedly connected to two ends of the balance plate (463), a telescopic baffle (466) is arranged below the elastic sheets (465), the top of the telescopic baffle (466) is fixedly connected with the balance plate (463), and the telescopic baffle (466) is slidably connected to the inner side of the screening shell (461);
the outside intercommunication of screening shell (461) has communicating pipe (4602), the one end intercommunication that screening shell (461) was kept away from to communicating pipe (4602) has side shell (467), the inside rotation of side shell (467) is connected with connecting rod (469), the outside fixedly connected with lift book (468) of connecting rod (469), the bottom of connecting rod (469) is through coupling joint motor (460), motor (460) fixed connection is in the bottom of side shell (467).
2. A vibratory screening apparatus for asphalt concrete production according to claim 1, wherein: the inside fixedly connected with pivot (28) of separating inside casing (24), the outside of pivot (28) rotates and is connected with three even board (29), the outer end sliding connection of three even board (29) has spacing slide bar (20), spacing slide bar (20) are in the inside one end fixedly connected with panel (201) of three even board (29), panel (201) are pegged graft in the inside of three even board (29), the one end fixedly connected with impact hammer (202) of three even board (29) are kept away from to panel (201), the side of impact hammer (202) is provided with perforation (209), perforation (209) are seted up in the outside of separating inside casing (24).
3. A vibratory screening apparatus for asphalt concrete production according to claim 1, wherein: the top fixedly connected with putty plate (203) of separating inside casing (24), the inside fixedly connected with inner panel (204) of separating inside casing (24), inner panel (204) are in the top of panel (201), the one end fixed link that separates inside casing (24) was kept away from to inner panel (204) has shaft seat (205), the inside rotation of shaft seat (205) is connected with changes putty plate (206), the below of changeing putty plate (206) is provided with limiting plate (207), limiting plate (207) fixed connection is in the bottom of inner panel (204), the top of changeing putty plate (206) is provided with drainage ware (208).
4. A vibratory screening apparatus for asphalt concrete production according to claim 3, wherein: the drainage device (208) comprises a magnet (2081), the magnet (2081) is fixedly connected to the outer side of the leakage-proof shell (21), a magnet (2082) is arranged below the magnet (2081), a drainage plate (2083) is fixedly connected to the bottom of the magnet (2082), and the drainage plate (2083) is inserted into the separation inner frame (24).
5. A vibration screening method for asphalt concrete production is characterized in that: the method comprises the following steps:
step one, anti-blocking conveying, namely, enabling an inner shell (14) connected with the inner shell to move downwards through the impact of concrete on a collision plate (15), expanding a tentering sheet (17) fixed at the top of the inner shell, wherein through holes (18) are formed in the surface of the tentering sheet (17), and meanwhile, a drainage plate (16) is fixedly connected to the inner side of the inner shell (14), so that part of fallen concrete can be conveyed downwards along the drainage plate (16) and penetrates through the through holes (18);
step two, crushing processing, namely enabling the rotating shaft (22) to drive the shaft sleeve (23) and the separation inner frame (24) to rotate together along with the starting of the driver (3), and continuously impacting the concrete conveyed into the separation inner frame (24) by the impact hammer (202) to crush the concrete;
thirdly, vibrating and screening, wherein after the crushing is finished, concrete falls on the balance plate (463), and because the concrete is scattered on the balance plate (463) randomly, the balance plate (463) can fall on one side, and the concrete falling on one side can slide into the side shell (467), so that the balance plate (463) falls to the other side, and the concrete is screened by continuously deflecting the two sides of the balance plate (463);
step four, separate and draw, concrete can reentry screening shell (461) through lift reel (468), but can pass through return bend (6011) between this, and when bulk concrete rolls on traction plate (6014), traction plate (6014) can drive and turn over board (6013) so that bulk concrete falls into in underframe (6016) and collects and draw.
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