CN211488483U - Multi-stage screening device for asphalt mixed mineral aggregate - Google Patents
Multi-stage screening device for asphalt mixed mineral aggregate Download PDFInfo
- Publication number
- CN211488483U CN211488483U CN201921858121.4U CN201921858121U CN211488483U CN 211488483 U CN211488483 U CN 211488483U CN 201921858121 U CN201921858121 U CN 201921858121U CN 211488483 U CN211488483 U CN 211488483U
- Authority
- CN
- China
- Prior art keywords
- sieve
- screen
- mineral aggregate
- screen cloth
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a multistage sieving mechanism of bituminous mixture mineral aggregate, including conveyer belt and sieve case, the top of conveyer belt is located the feed inlet at sieve roof portion, sieve incasement portion is provided with multistage screen cloth, the montant in the sieve case outside is connected through the fixation clamp to a side of screen cloth, montant middle part side is provided with U type frame, it has the transmission connecting rod to articulate on the U type frame, the other end of transmission connecting rod is articulated with the cam of installing on motor output shaft, the opposite side of screen cloth is provided with the opposite side limit that the guide bar passed the sieve case, the screen cloth end stretches out the positive discharge gate of sieve case, the below of discharge gate is provided with the blown down tank of installing on the sieve case, the sieve case bottommost. This practical confidence ditch passes through the motor and drives reciprocating motion about the screen cloth and make the mineral aggregate sieve out according to the particle size step by step, is convenient for select the mineral aggregate of suitable size granule to carry out bituminous mixture's preparation according to the construction requirement to the environmental protection is pollution-free, and the screening time is short.
Description
Technical Field
The utility model relates to a pitch raw and other materials processing sieving mechanism technical field specifically is a multistage sieving mechanism of pitch mixed mineral aggregate.
Background
The asphalt mixture is a generic name of a mixture prepared by mixing mineral aggregate and asphalt binder. The material is divided into continuous gradation and discontinuous gradation mixed materials according to the material composition and structure. The mixture is divided into dense gradation, semi-open gradation and open gradation according to the gradation composition and the void ratio of the mineral aggregate. The size of the nominal maximum particle size can be classified into extra coarse (nominal maximum particle size is larger than 37.5mm), coarse (nominal maximum particle size is 26.5mm or 31.5mm), medium (nominal maximum particle size is 16mm or 19mm), fine (nominal maximum particle size is 9.5mm or 13.2mm) and sand (nominal maximum particle size is smaller than 9.5mm) asphalt mixture. According to the manufacturing process, the asphalt mixture is divided into hot-mixed asphalt mixture, cold-mixed asphalt mixture, regenerated asphalt mixture and the like
The ore material is firstly screened according to the particle size before the asphalt mixture is carried out, the time required by the traditional ore material screening device adopting a water washing screening method is longer, the water resource is wasted, and certain pollution is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multistage sieving mechanism of bituminous mixture mineral aggregate aims at improving traditional mineral aggregate sieving mechanism and adopts the washing screening method needs the time longer and extravagant water resource to cause the problem of certain pollution easily.
The utility model discloses a realize like this:
a multi-stage screening device for asphalt mixed mineral aggregate comprises a conveyor belt and a screen box, wherein the top end of the conveyor belt is positioned at the upper end of the screen box, the top of the screen box is provided with a feed inlet, the inside of the screen box is obliquely and downwards provided with a first screen, a second screen and a third screen in sequence from top to bottom, one side surfaces of the first screen, the second screen and the third screen are connected with a vertical rod outside the screen box through a fixing clamp, the side surface of the middle part of the vertical rod is provided with a U-shaped frame, the U-shaped frame is hinged with a transmission connecting rod, the other end of the transmission connecting rod is hinged with a cam arranged on an output shaft of a motor, the motor is fixed on one side of the screen box through a motor support on the side surface of the screen box, the other side of the screen is provided with a guide rod which penetrates through the other side edge of the screen box, the tail end of the screen extends, the support lug is connected with the mounting base.
Through adopting above-mentioned technical scheme, the mixed mineral aggregate of pitch is at first transported sieve case upper portion through the conveyer belt, motor fixed connection's cam drives articulated transmission connecting rod seat reciprocating motion with it, the montant of the articulated fixed screen cloth of transmission connecting rod other end, thereby drive the screen cloth and do left and right reciprocating motion, thereby make the mineral aggregate granule motion that falls in the screen cloth, thereby make the mineral aggregate granule size sieve according to the mesh size of screen cloth, the mineral aggregate granule that the screening was accomplished drops to the blown down tank in from the anterior discharge gate of sieve case, then through the transportation equipment transportation can be through first screen cloth, the screening of second screen cloth and third screen cloth step by step, make the unified difference of different granule sizes in the mineral aggregate come out, be convenient for select the mineral aggregate of suitable big or small granule to carry out bituminous mixture's preparation according to bituminous paving's construction requirement.
Furthermore, a limiting table is arranged at the bottom of the support lug, a damping spring is arranged outside the limiting table, and the other end of the damping spring is arranged in a spring seat on the base.
Through adopting above-mentioned technical scheme, the screen cloth can produce great vibration under the drive of motor, can effectively reduce the influence that the vibration that the screen cloth produced led to the fact ground through set up damping spring between journal stirrup and base, reduces the noise that the screening produced effectively.
Further, the mesh sizes of the first screen, the second screen and the third screen are reduced in sequence.
Through adopting above-mentioned technical scheme, be convenient for according to the mesh size of screen cloth in proper order with the mineral screening of the different particle size in the mineral aggregate, consequently will reduce the mesh size from the top down of screen cloth in proper order so that the granule is little sieves from the bottom gradually, can control the result of mineral screening through the size of control screen cloth mesh.
Furthermore, the first screen, the second screen and the third screen are arranged in parallel, and the included angle between the first screen and the horizontal plane is 30-60 degrees.
Through adopting above-mentioned technical scheme, each screen cloth parallel arrangement is convenient for the mineral and drops on the lower screen cloth from the mesh of upper screen cloth to be 30 ~ 60 contained angle angles with the horizontal plane are convenient for make the mineral aggregate rely on the action of gravity to flow from the discharge gate, have further improved the efficiency of screening.
Further, the screen width is less than the inside width of sieve case and the side is provided with ascending baffle.
Through adopting above-mentioned technical scheme, the screen cloth is reciprocating motion about being in the sieve incasement under the drive of motor, and the inner wall of sieve case can not be touched in the limit of guaranteeing the screen cloth motion, consequently is that the width of screen cloth is less than the certain width of sieve incasement portion to set up ascending baffle on the screen cloth and prevent that the side of screening in-process mineral aggregate from the screen cloth drops.
Furthermore, an output shaft of the motor is provided with an external spline, and the matching end of the cam and the output shaft of the motor is also provided with a corresponding internal spline structure.
Through adopting above-mentioned technical scheme, the output shaft of cam and motor passes through the spline meshing, and the problem that can not take place relative rotation with the motor output shaft more stably when making the cam rotate has further guaranteed the stability when the screen cloth moves.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses
(1) The mixed mineral aggregate of pitch at first transports sieve case upper portion through the conveyer belt, motor fixed connection's cam drives articulated transmission connecting rod seat reciprocating motion with it, the montant of the articulated fixed screen cloth of transmission connecting rod other end, thereby drive the screen cloth and do left and right reciprocating motion, thereby make the mineral aggregate granule motion in the screen cloth that falls, thereby make mineral aggregate granule size sieve according to the mesh size of screen cloth, the mineral aggregate granule that the screening was accomplished drops to the blown down tank in from the anterior discharge gate of sieve case, then can be through first screen cloth through the transportation equipment transportation, the screening step by step of second screen cloth and third screen cloth, make the unified division of different granule sizes in the mineral aggregate come out, be convenient for select the mineral aggregate of suitable big or small granule to carry out bituminous mixture's preparation according to bituminous paving's construction requirement.
(2) The vibration of the screen box to the ground is effectively reduced by the damping spring, and the noise generated when the screening device operates is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a front view of the multistage screening apparatus for asphalt mixture aggregates of the present invention;
FIG. 2 is a right side view of the multi-stage screening apparatus for asphalt mixture aggregates of the present invention;
FIG. 3 is a top view of the multi-stage screening apparatus for asphalt mixture aggregates of the present invention;
fig. 4 is a sectional view in the a-a direction of the multistage screening apparatus for asphalt mixture ore materials shown in fig. 3.
In the figure: 1. a conveyor belt; 2. a screen box; 201. a feed inlet; 202. a discharge port; 21. a motor bracket; 22. supporting a lug; 3. screening a screen; 31. a first screen; 32. a second screen; 33. a third screen; 35. a baffle plate; 4. a fixing clip; 5. a vertical rod; 51. a U-shaped frame; 6. a transmission connecting rod; 7. a motor; 71. an output shaft; 8. a cam; 9. a discharge chute; 10. collecting tank; 11. a base; 111. a spring seat; 12. a shock absorbing spring.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in the embodiment of the present invention,
a multi-stage screening device for asphalt mixed mineral aggregate comprises a conveyor belt 1 and a screen box 2, wherein the top end of the conveyor belt 1 is positioned at the upper end of the screen box 2, the top of the screen box 2 is provided with a feeding hole 201, a screen 3 obliquely and downwards arranged in the screen box 2 is a first screen 31, a second screen 32 and a third screen 33 from top to bottom in sequence, the sizes of meshes of the first screen 31, the second screen 32 and the third screen 33 are reduced in sequence, so that minerals with different particle sizes in the mineral aggregate can be screened out in sequence according to the sizes of the meshes of the screen 3, therefore, the sizes of the meshes of the screens are reduced in sequence from top to bottom so that the small particles are screened out gradually from the bottom, the mineral screening result can be controlled by controlling the sizes of the meshes of the screen 3, the first screen 31, the second screen 32 and the third screen 33 are arranged in parallel, the included angle between the first screen 31 and the second screen 33 and the horizontal plane is 30-60 degrees, each screen 3 is arranged in parallel so that, the included angle between the screen cloth 3 and the horizontal plane is 30-60 degrees, so that mineral aggregates can flow out from the discharge hole 202 under the action of gravity, the screening efficiency is further improved, the width of the screen cloth 3 is smaller than the width inside the screen box 2, the upward baffle 35 is arranged on the side edge of the screen cloth 3, the screen cloth 3 is driven by the motor 7 to reciprocate left and right in the screen box 2, and the movement limit of the screen cloth 3 is ensured not to touch the inner wall of the screen box 2, so that the width of the screen cloth 2 is smaller than a certain width inside the screen box 2, and the upward baffle 35 is arranged on the screen cloth 3 to prevent the mineral aggregates from falling off from the side edge of the screen cloth 3 in the;
one side surface of the first screen 31, the second screen 32 and the third screen 33 is connected with a vertical rod 5 outside the screen box 2 through a fixing clamp 4, one end of the fixing clamp 4 is set to be U-shaped to clamp the screens in the middle and fasten the screens through bolts, the other end of the fixing clamp 4 is set to be a small shaft penetrating through the side surface of the screen box 2 and fixedly connected to the vertical rod 5, the side surface of the middle part of the vertical rod 5 is provided with a U-shaped frame 51, the U-shaped frame 51 is hinged with a transmission connecting rod 6, the other end of the transmission connecting rod 6 is hinged with a cam 8 arranged on an output shaft 71 of a motor 7, the cam 8 is meshed with the output shaft 71 of the motor 7 through a spline structure, the stability of the cam 8 during rotation is further improved, the stable operation of the screens 3 during screening is ensured, the motor 7 is fixed on one side of the screen box 2 through a motor support 21 on, the terminal positive discharge gate 202 that stretches out sieve case 2 of screen cloth 3, the below of discharge gate 202 is provided with the blown down tank 9 of installing on sieve case 2, sieve case 2 bottommost is provided with collecting vat 10, sieve case 2 bottom side has journal stirrup 22 all around the welding, journal stirrup 22 bottom is provided with the spacing platform 221 of round platform shape, spacing platform 221 outside is provided with damping spring 12, damping spring 12 other end is installed in spring holder 111 on base 11, screen cloth 3 can produce great vibration under the drive of motor 7, through set up damping spring 12 between journal stirrup 22 and base 11 and can effectively reduce the influence that the vibration that screen cloth 3 produced led to the fact ground, reduce the noise that the screening process produced effectively.
The working principle is as follows: the asphalt mixed mineral aggregate is firstly conveyed to a feed inlet 201 on the upper part of a screen box 2 through a conveyor belt 1, a cam 8 fixedly connected with a motor 7 drives a transmission connecting rod 6 hinged with the motor to do reciprocating motion, the other end of the transmission connecting rod 6 is hinged with a vertical rod 5 for fixing a screen 3, a guide rod at the other end of the screen 3 is in sliding fit with the side surface of the screen box 2, so that the screen 3 is driven to do left-right reciprocating motion, mineral aggregate particles falling into the screen 3 move, the mineral aggregate particles are screened according to the mesh size of the screen 3, the screened mineral aggregate particles fall into a discharge chute 9 from a front discharge port 202 of the screen box 2, minerals with the smallest particles fall into a collection chute 10 and are then transported through transportation equipment, and different particle sizes in the mineral aggregate are uniformly distinguished through the step-by step screening of a first screen 31, a second screen 32 and a third screen 33, the mineral aggregate with proper size can be conveniently selected according to the construction requirement of the asphalt pavement to manufacture the asphalt mixture, and the damping spring 12 arranged at the bottom of the sieve box 2 can effectively reduce the vibration generated by the sieving of the sieve box 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a multistage sieving mechanism of bituminous mixture mineral aggregate, includes conveyer belt (1) and sieve case (2), conveyer belt (1) top is located sieve case (2) upper end, its characterized in that: the top of the sieve box (2) is provided with a feeding hole (201), the sieve box (2) is internally provided with a sieve net (3) which is sequentially a first sieve net (31), a second sieve net (32) and a third sieve net (33) from top to bottom in an inclined manner, one side of the first sieve net (31), the second sieve net (32) and the third sieve net (33) is connected with a vertical rod (5) outside the sieve box (2) through a fixing clamp (4), the side of the middle part of the vertical rod (5) is provided with a U-shaped frame (51), the U-shaped frame (51) is hinged with a transmission connecting rod (6), the other end of the transmission connecting rod (6) is hinged with a cam (8) arranged on an output shaft (71) of a motor (7), the motor (7) is fixed on one side of the sieve box (2) through a motor support (21) on the side of the sieve box, the other side of the sieve net (3) is provided with a guide rod, the sieve is characterized in that the tail end of the screen (3) extends out of a positive discharge port (202) of the sieve box (2), a discharge chute (9) installed on the sieve box (2) is arranged below the discharge port (202), a collecting tank (10) is arranged at the bottommost part of the sieve box (2), support lugs (22) are arranged on the periphery of the side face of the bottom of the sieve box (2), and the support lugs (22) are connected with an installation base (11).
2. The multistage screening device of asphalt mixing mineral aggregate according to claim 1, characterized in that a limiting table (221) is arranged at the bottom of the support lug (22), a damping spring (12) is arranged outside the limiting table (221), and the other end of the damping spring (12) is installed in a spring seat (111) on the base (11).
3. The multistage screening apparatus for asphalt mixture ore according to claim 1, wherein the mesh sizes of the first screen (31), the second screen (32), and the third screen (33) are sequentially reduced.
4. The multistage screening apparatus of an asphalt mixing ore according to claim 3, wherein the first screen (31), the second screen (32) and the third screen (33) are arranged in parallel and have an angle of 30 ° to 60 ° with the horizontal plane.
5. The multistage screening apparatus for asphalt mixture ore according to claim 4, wherein the widths of the first and second screens (31, 32) and the third screen (33) are smaller than the width of the inside of the screen box (2) and the side edges are provided with upward baffles (35).
6. The multistage screening apparatus for asphalt mixing mineral aggregate according to claim 1, wherein the output shaft (71) of the motor (7) is provided with external splines, and the matching end of the cam (8) and the output shaft (71) of the motor (7) is also provided with corresponding internal spline structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858121.4U CN211488483U (en) | 2019-10-31 | 2019-10-31 | Multi-stage screening device for asphalt mixed mineral aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858121.4U CN211488483U (en) | 2019-10-31 | 2019-10-31 | Multi-stage screening device for asphalt mixed mineral aggregate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211488483U true CN211488483U (en) | 2020-09-15 |
Family
ID=72408184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921858121.4U Active CN211488483U (en) | 2019-10-31 | 2019-10-31 | Multi-stage screening device for asphalt mixed mineral aggregate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211488483U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657831A (en) * | 2021-01-10 | 2021-04-16 | 黄锋 | Sand screening installation for building engineering |
| CN113001838A (en) * | 2021-03-02 | 2021-06-22 | 南丰县乾泰再生资源回收利用有限公司 | Even heating device to polyester chip |
| CN113102246A (en) * | 2021-04-09 | 2021-07-13 | 湖南省欣宏建设工程有限公司 | Discontinuous graded broken stone screening device and screening method thereof |
| CN116273859A (en) * | 2023-03-29 | 2023-06-23 | 南京诚赢集约建材科技有限公司 | Particle asphalt screening mechanism for asphalt concrete production |
| CN117248412A (en) * | 2023-11-15 | 2023-12-19 | 德州迈隆公路工程有限公司 | Asphalt waste collection treatment equipment for road traffic construction |
-
2019
- 2019-10-31 CN CN201921858121.4U patent/CN211488483U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112657831A (en) * | 2021-01-10 | 2021-04-16 | 黄锋 | Sand screening installation for building engineering |
| CN113001838A (en) * | 2021-03-02 | 2021-06-22 | 南丰县乾泰再生资源回收利用有限公司 | Even heating device to polyester chip |
| CN113001838B (en) * | 2021-03-02 | 2022-10-11 | 南丰县乾泰再生资源回收利用有限公司 | Even heating device to polyester chip |
| CN113102246A (en) * | 2021-04-09 | 2021-07-13 | 湖南省欣宏建设工程有限公司 | Discontinuous graded broken stone screening device and screening method thereof |
| CN113102246B (en) * | 2021-04-09 | 2022-04-19 | 湖南省欣宏建设工程有限公司 | Discontinuous graded broken stone screening device and screening method thereof |
| CN116273859A (en) * | 2023-03-29 | 2023-06-23 | 南京诚赢集约建材科技有限公司 | Particle asphalt screening mechanism for asphalt concrete production |
| CN117248412A (en) * | 2023-11-15 | 2023-12-19 | 德州迈隆公路工程有限公司 | Asphalt waste collection treatment equipment for road traffic construction |
| CN117248412B (en) * | 2023-11-15 | 2024-01-30 | 德州迈隆公路工程有限公司 | Asphalt waste collection treatment equipment for road traffic construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211488483U (en) | Multi-stage screening device for asphalt mixed mineral aggregate | |
| KR101782330B1 (en) | Screen for screening soil with composite vibration function | |
| CN106881263A (en) | The automatic screening machine of quartz particles | |
| CN219519574U (en) | Sand and stone screening device for commodity concrete preparation | |
| CN209613523U (en) | A kind of oscillatory type quartz sand screening plant | |
| CN210022806U (en) | Aggregate multistage vibrating type screening device suitable for indoor concrete test | |
| CN206701689U (en) | A kind of automatic screening machine of quartz particles | |
| CN218250815U (en) | Multifunctional screening mechanism | |
| CN208437196U (en) | A kind of Novel swing wire type vibrating screen | |
| CN210730125U (en) | Vibrating screen | |
| CN213727647U (en) | Ecological building materials batching filter equipment | |
| CN214160463U (en) | Can promote sand sieving machine shale shaker hopper of separation effect | |
| CN113102246B (en) | Discontinuous graded broken stone screening device and screening method thereof | |
| CN209093875U (en) | A kind of asphalt mixture dosing device | |
| CN207709342U (en) | A kind of sand sieving machine for building | |
| CN214052432U (en) | Grit screening plant | |
| CN214211294U (en) | Mining industry raw materials sieving mechanism | |
| CN205341239U (en) | Vibration screening device of quartz sand | |
| CN116786413B (en) | Sand production line sieving device | |
| CN216539484U (en) | Multistage screening plant is used in mechanism sand production | |
| CN218797201U (en) | Machine-made sand powder screening device with collecting function | |
| CN217911518U (en) | Vibrating screen classifier for asphalt concrete | |
| CN212041491U (en) | Stone screener for highway construction | |
| CN217748046U (en) | Raw material lifting and screening equipment for preparing asphalt pavement material | |
| CN213435525U (en) | Grit sieving mechanism with hierarchical function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |