CN212943397U - Broken sieving mechanism of recycled concrete - Google Patents
Broken sieving mechanism of recycled concrete Download PDFInfo
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- CN212943397U CN212943397U CN202021386861.5U CN202021386861U CN212943397U CN 212943397 U CN212943397 U CN 212943397U CN 202021386861 U CN202021386861 U CN 202021386861U CN 212943397 U CN212943397 U CN 212943397U
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Abstract
The application relates to the field of recycled concrete treatment, in particular to a recycled concrete crushing and screening device which comprises a crushing area, wherein one end of the crushing area is communicated with a screening area, a crushing roller is arranged in the crushing area, an inclined conveying plate is arranged below the crushing roller in the crushing area, and a through hole is formed in the conveying plate; an elastic film is laid on the upper surface of the conveying plate; the crushing area is also internally provided with an air cylinder, the air cylinder is arranged below the conveying plate, and a piston rod of the air cylinder faces to the through hole; after the piston rod of the air cylinder extends, the piston rod of the air cylinder can extend into the through hole to jack up the elastic membrane. This application makes abandonment concrete can in time discharge delivery board, has the effect of the processing of the discarded concrete of being convenient for.
Description
Technical Field
The application relates to the field of recycled concrete treatment, in particular to a recycled concrete crushing and screening device.
Background
The regenerated concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and adding cement, water and the like.
Crushing and screening of recycled concrete generally uses a recycled concrete crushing and screening device, which is generally provided with a crushing roller, a screen plate, and the like, and crushes and screens the waste concrete, thereby separating the waste concrete from impurities.
The existing Chinese patent application with the publication number of CN210303819U discloses a recycled concrete crushing and screening device, which comprises a crushing area and a screening area which are communicated with each other, wherein two crushing rollers are arranged in the crushing area, and a conveying plate is obliquely arranged below the crushing rollers. An upper sieve plate and a lower sieve plate are arranged on the sieve area, and one end of the conveying plate faces the upper sieve plate.
After the waste concrete enters the crushing area, the waste concrete drops on the conveying plate after being crushed between the two crushing rollers, then enters the screening area through the conveying plate, and is screened through the upper screen plate and the lower screen plate in sequence, so that the aim of extracting the waste concrete is fulfilled.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the crushing zone, the waste concrete is easily deposited on the conveyor plate when the waste concrete enters the screening zone from the conveyor plate. When the waste concrete is too much accumulated, the normal operation of the pulverizing rollers above the conveyor plate is affected, thereby affecting the treatment of the waste concrete.
SUMMERY OF THE UTILITY MODEL
In order to make the abandonment concrete can in time discharge delivery board, the handling of the abandonment concrete of being convenient for, this application provides a broken sieving mechanism of recycled concrete.
The application provides a broken sieving mechanism of recycled concrete adopts following technical scheme:
a recycled concrete crushing and screening device comprises a crushing area, wherein one end of the crushing area is communicated with a screening area, a crushing roller is arranged in the crushing area, an inclined conveying plate is arranged below the crushing roller in the crushing area, and a through hole is formed in the conveying plate; an elastic film is laid on the upper surface of the conveying plate; the crushing area is also internally provided with an air cylinder, the air cylinder is arranged below the conveying plate, and a piston rod of the air cylinder faces to the through hole; after the piston rod of the air cylinder extends, the piston rod of the air cylinder can extend into the through hole to jack up the elastic membrane.
Through adopting above-mentioned technical scheme, through setting up the cylinder in delivery board below to and set up through-hole and elastic membrane on the delivery board, when handling abandonment concrete, after abandonment concrete drops on the delivery board, the through-hole can be stretched into in the extension of cylinder piston rod, with elastic membrane jack-up. After the waste concrete falls on the conveying plate, the piston rod of the air cylinder extends to enable the functional part to extend into the through hole and jack up the elastic membrane. When the piston rod of the air cylinder is continuously extended and shortened, the functional piece can continuously jack up the elastic membrane, so that the elastic membrane shakes, the waste concrete is driven to slide on the conveying plate, and the purpose of pushing the waste concrete to be discharged is achieved. Such operation is favorable to in time, effectual discharge delivery board of abandonment concrete, prevents that the abandonment concrete from piling up on the delivery board and influencing the normal function of delivery board, has the effect of being convenient for handle abandonment concrete.
Preferably, the end, far away from the cylinder body, of the cylinder piston rod is connected with a function piece, and the area, far away from one side of the cylinder piston rod, of the function piece is larger than the area, far away from the end face, of the end, far away from the end face, of the cylinder piston rod, of the function piece.
Through adopting above-mentioned technical scheme, cylinder piston rod can be through the function piece with elastic membrane jack-up, and the function piece has increased the area of cylinder jack-up elastic membrane department, has also increased the lifting surface area of elastic membrane, and the promotion abandonment concrete that not only can be better slides, can also make the elastic membrane be difficult to the damage.
Preferably, the functional element is in clearance fit with the through hole.
Through adopting above-mentioned technical scheme, function piece and through-hole clearance fit have increased the activity space of function piece in the through-hole to the function piece of being convenient for penetrates the delivery board and wears out the delivery board, and then facilitates for function piece jack-up elastic membrane.
Preferably, the cylinder is arranged at the end part of the conveying plate far away from the screening area.
By adopting the technical scheme, the farther the elastic membrane is jacked from the screening area, the more obvious the elastic membrane has a jacking effect on the waste concrete, the more the sliding waste concrete is, and the higher the efficiency of treating the waste concrete is, the more convenient the waste concrete is.
Preferably, at least one cylinder is provided.
Through adopting above-mentioned technical scheme, to one extent, the quantity of cylinder is more, and the cylinder is stronger to the effect of elastic membrane, and the shake of elastic membrane is more strong, and the elastic membrane is big more to the effort of abandonment concrete, and the discharge of abandonment concrete is also convenient more, swift more.
Preferably, the surface of the elastic membrane is coated with a smooth coating.
Through adopting above-mentioned technical scheme, smooth coating makes the elastic membrane surface form glossy surface, reduces the frictional force between elastic membrane surface and the abandonment concrete, makes the processing of abandonment concrete of being convenient for further that the abandonment concrete can be more easy the slip to screening district.
Preferably, the functional element is sleeved with an elastic pad.
Through adopting above-mentioned technical scheme, the cushion has the function of buffering, and when function piece jack-up elastic membrane, the cushion can reduce the impact force of function piece to elastic membrane, makes elastic membrane be difficult to the damage more, further protects elastic membrane, guarantees the normal performance of elastic membrane effect.
Preferably, the elastic membrane is a PVC membrane, a PEP membrane, a PET membrane, or a PVDF membrane.
By adopting the technical scheme, the PVC film, the PEP film, the PET film and the PVDF film are all elastic plastic films which are common and easy to obtain, and are very suitable for being used as elastic films.
In summary, the present application includes at least one of the following beneficial technical effects:
through set up the cylinder in delivery board below to and set up through-hole and elastic membrane on the delivery board, when handling abandonment concrete, after abandonment concrete drops on the delivery board, the through-hole can be stretched into in the extension of cylinder piston rod, with elastic membrane jack-up. After the waste concrete falls on the conveying plate, the piston rod of the air cylinder extends to enable the functional part to extend into the through hole and jack up the elastic membrane. When the piston rod of the air cylinder is continuously extended and shortened, the functional piece can continuously jack up the elastic membrane, so that the elastic membrane shakes, the waste concrete is driven to slide on the conveying plate, and the purpose of pushing the waste concrete to be discharged is achieved. Such operation is favorable to in time, effectual discharge delivery board of abandonment concrete, prevents that the abandonment concrete from piling up on the delivery board and influencing the normal function of delivery board, has the effect of being convenient for handle abandonment concrete.
Through setting up the function piece, set up the function piece into with through-hole clearance fit, inject the position and the quantity of cylinder to and at elastic membrane surface coating, make the cylinder more effective to elastic membrane's effect, thereby further promote the slip effect of abandonment concrete.
Drawings
Fig. 1 is a schematic sectional structure view of a recycled concrete crushing and screening apparatus according to an embodiment of the present application.
Fig. 2 is a schematic structural view for embodying the relationship between the conveyance plate and the air cylinder in fig. 1.
Fig. 3 is a schematic cross-sectional view of the screen area of fig. 1.
Description of reference numerals: 1. a crushing zone; 11. a feed hopper; 2. screening areas; 21. a discharge outlet; 3. a crushing roller; 4. a conveying plate; 41. a through hole; 5. a screening plate; 51. an upper sieve plate; 52. a lower sieve plate; 53. screening holes; 6. a connecting member; 71. an elastic film; 72. a cylinder; 73. a functional element; 74. an elastic pad; 81. a bearing; 82. a motor; 83. a support plate; 91. a rotating shaft; 92. a helical crushing blade; 93. a connecting plate; 94. an auxiliary blade.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses broken sieving mechanism of recycled concrete. Referring to fig. 1, the recycled concrete crushing and screening device comprises a crushing area 1 and a screening area 2 arranged on one side of the crushing area 1, wherein the crushing area 1 is communicated with the screening area 2. Two crushing rollers 3 for crushing waste concrete are arranged in the crushing area 1, and a conveying plate 4 for conveying the crushed waste concrete is arranged below the crushing rollers 3 in the crushing area 1. Two screening plates 5 used for screening waste concrete are arranged in the screening area 2, and one end of the conveying plate 4 extends to the screening plates 5. After the waste concrete enters the crushing area 1, the waste concrete drops on the conveying plate 4 after being crushed between the two crushing rollers 3, then enters the screening area 2 through the conveying plate 4, and is screened through the screening plate 5, so that the purpose of extracting the waste concrete is achieved.
A hollow connecting piece 6 is arranged between the crushing area 1 and the screening area 2, and the two sides of the connecting piece 6 are respectively communicated with the crushing area 1 and the screening area 2, so that the crushing area 1 is communicated with the screening area 2. The top of crushing district 1 is equipped with the feeder hopper 11 that is used for the feeding, and feeder hopper 11 is hopper-shaped to better feeding.
Two crushing rollers 3 are arranged below the feed hopper 11 and on the middle upper part of the crushing area 1, the axial direction of the crushing rollers 3 is the same as the length direction of the connecting piece 6, and the two ends of the crushing rollers 3 are respectively connected to the inner walls of the two sides of the crushing area 1.
The conveying plate 4 is arranged at the middle lower part of the crushing area 1 and is obliquely arranged below the two crushing rollers 3. The length direction of the conveying plate 4 is vertical to the axial direction of the crushing roller 3, one end of the conveying plate 4 is connected to the inner wall of the crushing area 1, and the other end of the conveying plate extends towards the connecting piece 6, penetrates through the connecting piece 6 and extends into the screening area 2. The conveyor plate 4 is inclined downwardly away from the connecting member 6 towards the connecting member 6 to facilitate the sliding of the waste concrete from the comminution zone 1 to the screening zone 2.
Referring to fig. 2, an elastic film 71 is laid on the upper surface of the conveying plate 4, in this embodiment, the elastic film 71 is a PVC film, and in other embodiments, the elastic film may also be a PVC film, a PEP film, a PET film, or a PVDF film. The length direction of the elastic film 71 is the same as the length direction of the conveying plate 4, the length of the elastic film 71 is greater than that of the conveying plate 4, and two ends of the elastic film 71 extend to two ends of the conveying plate 4 respectively and then are bent and connected to the edge of the lower surface of the conveying plate, so that the elastic film 71 is fixed on the conveying plate 4.
Referring to fig. 1, two air cylinders 72 are arranged below the conveying plate 4 in the crushing area 1, and the air cylinders 72 are arranged at the end part of the conveying plate 4 far away from the connecting piece 6. The piston rod of the cylinder 72 is directed vertically upwards, towards the conveyor plate 4. Referring to fig. 2, one end of the piston rod of the cylinder 72, which is far away from the cylinder body of the cylinder 72, is connected with a spherical functional part 73, wherein the diameter of the functional part 73 is larger than the diameter of the end face of the end of the piston rod of the cylinder 72, which is connected with the functional part 73, that is, the area of the end face of the functional part 73, which is far away from the piston rod of the cylinder 72, is larger than the area of the end face.
Referring to fig. 2, two through holes 41 matched with the functional components 73 are formed at an end of the conveying plate 4 away from the connecting component 6 (see fig. 1), and the through holes 41 penetrate through the upper surface and the lower surface of the conveying plate 4. The two through holes 41 correspond to the two functional parts 73 one by one, after the piston rod of the air cylinder 72 extends, the functional parts 73 are driven to move towards the direction close to the conveying plate 4, and the functional parts 73 can extend into the through holes 41 to jack up the elastic membrane 71. Preferably, the functional element 73 is in clearance fit with the through hole 41, so that the functional element 73 can more conveniently penetrate into the conveying plate 4 and penetrate out of the conveying plate 4.
Referring to fig. 1 and 2, when the waste concrete is disposed of, after the waste concrete drops on the transfer plate 4, the piston rod of the air cylinder 72 is extended to extend the functional member 73 into the through hole 41. When the piston rod of the cylinder 72 is continuously extended and shortened, the functional member 73 can continuously jack up the elastic membrane 71, so that the elastic membrane 71 shakes, the waste concrete is driven to slide on the conveying plate 4, and the purpose of pushing the waste concrete to be discharged is achieved. Such operation is favorable to abandonment concrete timely, effectual discharge delivery board 4, prevents that abandonment concrete from piling up on delivery board 4 and influencing delivery board 4's normal operating, has the effect of being convenient for handle abandonment concrete.
Referring to fig. 1, preferably, the surface of the elastic membrane 71 is coated with a smooth coating, and the smooth coating is a glossy coating, so that the surface of the elastic membrane 71 is smoother, the friction between the surface of the elastic membrane 71 and the waste concrete can be reduced, the waste concrete can slide to the screening area 2 more easily, and the treatment of the waste concrete is further facilitated. The position and the number of the cylinders 72 are combined, so that the effect of the cylinders 72 on the elastic membrane 71 is more effective, and the sliding effect of the waste concrete is further improved.
Referring to fig. 2, when the function piece 73 jacks up the elastic membrane 71, in order to reduce the damage of the function piece 73 to the elastic membrane 71, an elastic cushion 74 is sleeved on the function piece 73, the elastic cushion 74 is a spongy cushion, and the function piece 73 is wrapped by the elastic cushion 74 and is fastened by a rubber ring or a rope and fixed on the function piece 73. The elastic pad 74 has elasticity, so that the elastic pad has a buffering function, when the functional piece 73 jacks up the elastic membrane 71, the elastic pad 74 can reduce the impact force of the functional piece 73 on the elastic membrane 71, so that the elastic membrane 71 is not easy to damage, the elastic membrane 71 is further protected, and the normal function of the elastic membrane 71 is ensured.
Referring to fig. 3, the screening plate 5 includes an upper screening plate 51 and a lower screening plate 52, the upper screening plate 51 and the lower screening plate 52 are both square, four sides of the upper screening plate 51 and the lower screening plate 52 are both connected to the inner wall of the screening area 2, and a plurality of screening holes 53 for the crushed waste concrete to pass through are formed in the upper screening plate 51 and the lower screening plate 52. The middle part of the upper screen plate 51 is provided with a bearing 81, a motor 82 is arranged below the bearing 81 of the upper screen plate 51, and the motor 82 is arranged on the lower surface of the upper screen plate 51 through a supporting plate 83.
A rotating shaft 91 is connected to the rotating shaft of the motor 82, the lower end of the rotating shaft 91 is connected to the rotating shaft of the motor 82, the axial direction of the rotating shaft 91 is perpendicular to the upper surface of the upper screen plate 51, and the rotating shaft 91 penetrates through the upper screen plate 51 through a bearing 81 and is rotatably connected to the upper screen plate 51. Spiral crushing blades 92 are spirally wound in the length direction of the rotating shaft 91, and both ends of the spiral crushing blades 92 extend to both ends of the rotating shaft 91, respectively. After the motor 82 is started, the motor 82 drives the rotating shaft 91 to rotate, and then drives the spiral crushing blade 92 to rotate.
Referring to fig. 1 and 3, after the waste concrete enters the screen section 2 through the conveying plate 4 and drops on the upper screen plate 51, the spiral crushing blades 92 rotate to stir and cut the waste concrete on the upper screen plate 51, thereby crushing the waste concrete into smaller particles. By the crushing mode, the waste concrete is crushed twice by the crushing roller 3 and the spiral crushing blade 92, the crushing force is larger, the crushing efficiency is higher, and the effect of improving the quality of the waste concrete is achieved, so that the utilization rate of the waste concrete is improved.
Referring to fig. 3, a circular connecting plate 93 is further connected to the rotating shaft 91, and the upper end of the rotating shaft 91 is vertically connected to the center of the connecting plate 93. The connecting plate 93 is uniformly provided with four auxiliary blades 94 capable of further crushing the waste concrete in the circumferential direction. When axis of rotation 91 rotated, auxiliary blade 94 also can rotate, and auxiliary blade 94 rotates and can assist spiral crushing blade 92 to smash abandonment concrete, smashes abandonment concrete and gets more thin to make the crushing effect of abandonment concrete better, further improve the crushing efficiency of abandonment concrete.
Referring to fig. 1 and 3, when the waste concrete falls from the conveying plate 4 onto the upper screen plate 51, the waste concrete of the upper screen plate 51 near the crushing area 1 is more than that of the upper screen plate 51 far from the crushing area 1, and the waste concrete is more easily screened from the upper screen plate 51 near the crushing area 1, so that the waste concrete on both sides of the upper screen plate 51 is not uniformly screened. In order to alleviate the above situation, the aperture of the sieve pore 53 is gradually increased from the direction close to the crushing area 1 to the direction far from the crushing area 1, and the aperture of the sieve pore 53 at the side far from the crushing area is made larger, so that the aperture of the sieve pore 53 and the distance between the sieve pore 53 and the crushing area 1 reach a relative balance, the waste concrete passing through the sieve pore 53 at the side far from the crushing area 1 is increased, and the screening of the waste concrete is more uniform.
Offer the bin outlet 21 that is used for discharging waste concrete on screening district 2 keeps away from one side lateral wall bottom of smashing district 1, waste concrete is smashed twice, sieves the back twice again, can drop in screening district 2 bottoms, can follow the discharge outlet 21 and discharge. In order to facilitate the discharge of the waste concrete, the screen holes 53 of the lower screen plate 52 are arranged obliquely, and the screen holes 53 are inclined from top to bottom toward the discharge port 21 such that the lower openings of the screen holes 53 face the discharge port 21. The closer the lower opening of the sieve hole 53 is to the discharge opening 21, the closer the waste concrete is to the discharge opening 21 after being sieved, the more convenient the waste concrete is to be discharged out of the sieving area 2, and thus the more convenient the waste concrete is to be discharged.
The implementation principle of the broken sieving mechanism of recycled concrete of this application embodiment is: when the waste concrete is disposed, the piston rod of the cylinder 72 is extended to extend the functional member 73 into the through hole 41 after the waste concrete falls on the transfer plate 4. When the piston rod of the cylinder 72 is continuously extended and shortened, the functional member 73 can continuously jack up the elastic membrane 71, so that the elastic membrane 71 shakes, the waste concrete is driven to slide on the conveying plate 4, and the purpose of pushing the waste concrete to be discharged is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a broken sieving mechanism of recycled concrete, is including smashing district (1), it has sieve subregion (2) to smash district (1) one end intercommunication, it smashes roller (3) to be equipped with in smashing district (1), it is equipped with delivery board (4) of slope, its characterized in that to smash district (1) in smashing roller (3) below: the conveying plate (4) is provided with a through hole (41); an elastic film (71) is paved on the upper surface of the conveying plate (4); an air cylinder (72) is further arranged in the crushing area (1), the air cylinder (72) is arranged below the conveying plate (4), and a piston rod of the air cylinder (72) faces to the through hole (41); after the piston rod of the air cylinder (72) extends, the piston rod can extend into the through hole (41) to jack up the elastic membrane (71).
2. The recycled concrete crushing and screening device of claim 1, wherein: one end, far away from cylinder (72), of a piston rod of the cylinder (72) is connected with a functional part (73), and the area, far away from one side of the piston rod of the cylinder (72), of the functional part (73) is larger than the area, far away from the end face, at one end, of the piston rod of the cylinder (72) and connected with the functional part (73).
3. The recycled concrete crushing and screening device of claim 2, wherein: the functional part (73) is in clearance fit with the through hole (41).
4. The recycled concrete crushing and screening device of claim 3, wherein: the air cylinder (72) is arranged at the end part of one end of the conveying plate (4) far away from the screening area (2).
5. The recycled concrete crushing and screening device of claim 4, wherein: the cylinder (72) is provided with at least one.
6. The recycled concrete crushing and screening device of claim 5, wherein: the surface of the elastic membrane (71) is coated with a smooth coating.
7. The recycled concrete crushing and screening device of claim 2, wherein: the functional piece (73) is sleeved with an elastic pad (74).
8. The recycled concrete crushing and screening device of claim 1, wherein: the elastic membrane (71) is a PVC membrane, a PEP membrane, a PET membrane or a PVDF membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386861.5U CN212943397U (en) | 2020-07-14 | 2020-07-14 | Broken sieving mechanism of recycled concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386861.5U CN212943397U (en) | 2020-07-14 | 2020-07-14 | Broken sieving mechanism of recycled concrete |
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| Publication Number | Publication Date |
|---|---|
| CN212943397U true CN212943397U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021386861.5U Expired - Fee Related CN212943397U (en) | 2020-07-14 | 2020-07-14 | Broken sieving mechanism of recycled concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368946A (en) * | 2021-05-26 | 2021-09-10 | 江苏俊达环保科技有限公司 | Device and method for manufacturing recycled plastic particles |
| CN113546746A (en) * | 2021-07-26 | 2021-10-26 | 广州城建职业学院 | Building rubbish reducing mechanism |
-
2020
- 2020-07-14 CN CN202021386861.5U patent/CN212943397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368946A (en) * | 2021-05-26 | 2021-09-10 | 江苏俊达环保科技有限公司 | Device and method for manufacturing recycled plastic particles |
| CN113546746A (en) * | 2021-07-26 | 2021-10-26 | 广州城建职业学院 | Building rubbish reducing mechanism |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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