CN215277869U - Aggregate sieving mechanism for recycled concrete - Google Patents
Aggregate sieving mechanism for recycled concrete Download PDFInfo
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- CN215277869U CN215277869U CN202121695227.4U CN202121695227U CN215277869U CN 215277869 U CN215277869 U CN 215277869U CN 202121695227 U CN202121695227 U CN 202121695227U CN 215277869 U CN215277869 U CN 215277869U
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- thick bamboo
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- blanking barrel
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Abstract
The utility model belongs to the technical field of the concrete is made and specifically relates to an aggregate sieving mechanism for recycled concrete is related to. It is including setting up the charging barrel in breaker below, be provided with impurity screening mechanism in the charging barrel, impurity screening mechanism includes sieve material portion, sieve material portion includes the sieve section of thick bamboo of being connected with charging barrel slides in vertical direction, be connected with metal mesh on the sieve section of thick bamboo, impurity screening mechanism is still including the drive division that is used for driving sieve section of thick bamboo motion, the drive division includes the slide with sieve section of thick bamboo rigid coupling, the slide slides with the charging barrel and is connected, the lateral wall that the charging barrel was passed to the one end of slide stretches out to the outside. The utility model discloses have and to clear away the dust impurity in the regeneration aggregate, improve the effect of regeneration aggregate quality.
Description
Technical Field
The utility model belongs to the technical field of the concrete is made and specifically relates to an aggregate sieving mechanism for recycled concrete is related to.
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 such as sand stones and the like, and adding cement, water and the like. The recycled concrete can be combined into aggregates in the following cases: all aggregates are regenerated aggregates; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural gravel or cobble, and the fine aggregate is regenerated aggregate; the reclaimed aggregate replaces part of the coarse aggregate or the fine aggregate.
In the related art, it is common to crush the waste concrete using a crusher to obtain an aggregate of recycled concrete, and to clean and classify the aggregate. The recycled aggregate obtained by crushing contains a plurality of dust impurities, and when the recycled aggregate is cleaned, the dust impurities and water are mixed into a muddy substance, so that the cleaning difficulty is increased, and the quality of the recycled aggregate is not ensured.
SUMMERY OF THE UTILITY MODEL
In order to clear away the dust impurity in the regeneration aggregate, improve regeneration aggregate quality, the utility model provides an aggregate sieving mechanism for recycled concrete.
The utility model provides a pair of aggregate sieving mechanism for recycled concrete adopts following technical scheme:
the utility model provides an aggregate sieving mechanism for recycled concrete, is including setting up the blanking section of thick bamboo in breaker below, be provided with impurity screening mechanism in the blanking section of thick bamboo, impurity screening mechanism includes sieve material portion, sieve material portion includes the sieve section of thick bamboo of being connected with blanking section of thick bamboo slip in vertical direction, be connected with metal mesh on the sieve section of thick bamboo, impurity screening mechanism is still including the drive division that is used for driving sieve section of thick bamboo motion, the drive division includes the shifting board with sieve section of thick bamboo rigid coupling, the shifting board slides with blanking section of thick bamboo and is connected, the lateral wall that blanking section of thick bamboo was passed to the one end of shifting board stretches out to the outside.
Through adopting above-mentioned technical scheme, the aggregate after the breaker breakage gets into the feed dropping barrel, slides on vertical direction through the sliding plate that drives the drive division and drives a sieve section of thick bamboo up-and-down motion, carries out impurity screening to the aggregate, improves the aggregate quality.
Optionally, a connecting plate is fixedly connected to the outer side wall of the blanking barrel, and the driving portion further comprises a screening elastic part arranged between the connecting plate and the sliding plate.
Through adopting above-mentioned technical scheme, through setting up sieve material elastic component between connecting plate and slide plate, the drive slide plate slides for a sieve section of thick bamboo produces elastic vibration, screens the aggregate better.
Optionally, the driving part further comprises a driving block abutting against the sliding plate, the driving block is connected with the material dropping barrel in a sliding mode in the vertical direction, and the driving block is located outside the material dropping barrel.
Through adopting above-mentioned technical scheme for the drive block drives the slide plate and slides with slide plate butt, and after the drive block separated with the slide plate, a sieve section of thick bamboo produced elastic vibration under the effect of sieve material elastic component, sieves the aggregate.
Optionally, the blanking barrel side wall is provided with a fine aggregate outlet, the impurity screening mechanism further comprises a material discharging part, the material discharging part comprises an aggregate guide plate arranged at the fine aggregate outlet, the aggregate guide plate is fixedly connected with the blanking barrel, and the metal screen is rotatably connected with the screen barrel.
Through adopting above-mentioned technical scheme, pile up the certain degree on the screen cloth as the aggregate, drive metal mesh rotates for aggregate on the metal mesh can drop to the deflector that gathers materials, from the export discharge of fine aggregate to the blanking section of thick bamboo outside.
Optionally, the discharging part further comprises an electromagnet arranged on the screen drum and used for fixing the metal screen, and a discharging elastic part is connected between the metal screen and the screen drum.
Through adopting above-mentioned technical scheme, when screening the aggregate, the electro-magnet circular telegram is with metal mesh and a sieve section of thick bamboo rigidity, filters the aggregate through a drive division drive sieve section of thick bamboo. Pile up the certain degree on the screen cloth as the aggregate, the electro-magnet outage because the dead weight of aggregate on the metal mesh, drive the metal mesh rotation for aggregate on the metal mesh can drop to the deflector that gathers materials, from the export discharge outside the blanking section of thick bamboo of fine aggregate. Aggregate on the metal mesh screen falls behind, because be connected with between metal mesh screen and the sieve section of thick bamboo and arrange the material elastic component, metal mesh screen can the antiport reset, and the electro-magnet circular telegram this moment can continue to screen the aggregate.
Optionally, the deflector slope that gathers materials sets up, the one end of deflector that gathers materials is located blanking barrel inside be used for with the metal mesh butt, and the other end stretches out to blanking barrel outside, the deflector that gathers materials is located the inside one end of blanking barrel and is higher than its one end that is located blanking barrel outside.
Through adopting above-mentioned technical scheme, the deflector slope that will gather materials sets up, the metal mesh screen of being convenient for more goes up the discharge of gathering materials that drops.
Optionally, an impurity outlet is formed in the side wall of the blanking barrel and located below the fine aggregate outlet, and an inclined plane is formed in the inner bottom wall of the blanking barrel.
Through adopting above-mentioned technical scheme, through setting up the impurity export for the impurity of sifting out can discharge outside the blanking section of thick bamboo, sets up to the inclined plane through diapire in with the blanking section of thick bamboo, does benefit to the discharge of impurity more.
Optionally, a material collecting and screening mechanism is further arranged in the blanking barrel.
Through adopting above-mentioned technical scheme, through setting up the screening mechanism that gathers materials, not only can screen impurity, can also be with the aggregate screening that the breakage obtained for coarse aggregate and fine aggregate.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the impurity screening mechanism, impurities can be screened out of the crushed aggregate, so that the quality of the aggregate is improved;
2. through setting up the screening mechanism that gathers materials, not only can screen impurity, can also be with the aggregate screening that the breakage obtained for coarse aggregate and fine aggregate.
Drawings
Fig. 1 is a sectional view showing the overall structure of an aggregate screening apparatus for recycled concrete.
Fig. 2 is a partial structural sectional view of the aggregate screening apparatus for recycled concrete, which is mainly used for embodying the structure of the impurity screening mechanism.
Fig. 3 is an enlarged view of a portion a in fig. 2, and is mainly used for showing a connection structure of the screen cylinder and the metal screen.
Description of reference numerals: 100. a crushing device; 110. a discharging barrel; 111. a feed inlet; 112. a coarse aggregate outlet; 113. a fine aggregate outlet; 114. an impurity outlet; 200. an aggregate screening mechanism; 300. an impurity screening mechanism; 310. a material screening part; 311. a screen cylinder; 312. a metal screen; 320. a drive section; 321. a fixing plate; 322. a material screening cylinder; 323. a drive block; 324. a slide plate; 325. a connecting plate; 326. a screen material elastic member; 330. a discharge part; 331. an electromagnet; 332. an aggregate guide plate; 333. discharging the elastic piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-3.
The embodiment of the utility model discloses aggregate sieving mechanism for recycled concrete.
Referring to fig. 1, the aggregate screening apparatus for recycled concrete includes a dropping cylinder 110 fixedly installed on the ground, and a crushing apparatus 100 is installed above the dropping cylinder 110. The lower end of the shell of the crushing device 100 is provided with a feed inlet 111, and the feed inlet 111 communicates the interior of the blanking barrel 110 with the interior of the shell of the crushing device 100. The blanking barrel 110 is provided with an aggregate screening mechanism 200 and an impurity screening mechanism 300, and the aggregate screening mechanism 200 is located above the impurity screening mechanism 300. The position of the side wall of the blanking barrel 110 corresponding to the aggregate screening mechanism 200 is provided with a coarse aggregate outlet 112, the position of the side wall of the blanking barrel 110 corresponding to the impurity screening mechanism 300 is provided with a fine aggregate outlet 113, and the position of the side wall of the blanking barrel 110 close to the bottom wall is provided with an impurity outlet 114.
The waste concrete is crushed into small pieces by the crushing device 100 and falls into the blanking drum 110. The aggregate screening mechanism 200 is used to screen out relatively large volumes of aggregate as coarse aggregate, which may be discharged from the coarse aggregate outlet 112. The aggregates and impurities with small volume enter the impurity screening mechanism 300, the aggregates with small volume are screened out by the impurity screening mechanism 300 to be used as fine aggregates, and the fine aggregates can be discharged from the fine aggregate outlet 113. The dust and impurities fall to the bottom of the dropping cylinder 110 and are discharged from the impurity outlet 114.
Referring to fig. 1 and 2, the aggregate sifting mechanism 200 is similar in structure to the trash sifting mechanism 300, and the trash sifting mechanism 300 is illustrated as an example.
Referring to fig. 2, the foreign substance screening mechanism 300 includes a screening part 310, a driving part 320, and a discharging part 330. The screen part 310 includes a screen cylinder 311 slidably connected to the dropping cylinder 110 in a vertical direction, and a metal screen 312 is connected to the bottom of the screen cylinder 311. The metal screen 312 is made of a ferromagnetic material.
Referring to fig. 2, the driving part 320 includes a fixing plate 321 fixed on the outer side wall of the blanking barrel 110, a vertically arranged material sieving cylinder 322 fixedly connected to the fixing plate 321, and a driving block 323 fixedly connected to the piston rod of the material sieving cylinder 322. The screen cylinder 311 is fixedly connected with a sliding plate 324, one end of the sliding plate 324 penetrates through the side wall of the blanking cylinder 110 to extend to the outside, and the driving block 323 can abut against the sliding plate 324. The outer side wall of the charging barrel 110 is fixedly connected with a connecting plate 325, a screening elastic part 326 is arranged between the connecting plate 325 and the sliding plate 324, one end of the screening elastic part 326 is fixedly connected with the connecting plate 325, the other end of the screening elastic part 326 is fixedly connected with the sliding plate 324, and the screening elastic part 326 is a spring in this embodiment. A screen elastic member 326 may also be disposed between the fixed plate 321 and the sliding plate 324.
The piston rod of the driving screen cylinder 322 extends to make the driving block 323 abut against the sliding plate 324, so that the screen cylinder 311 descends, and the screen elastic member 326 is pulled at the moment. The piston rod of the drive screen cylinder 322 retracts. The driving block 323 is separated from the sliding plate 324, and the screen drum 311 is elastically vibrated by the elastic force of the screen elastic member 326 to screen the aggregates in the screen drum 311.
Referring to fig. 2 and 3, the screen cylinder 311 is rotatably connected to the metal screen 312. The discharge portion 330 includes an electromagnet 331 fixedly disposed inside the screen cylinder 311. When the electromagnet 331 is energized, it can attract the metal mesh 312, so that the metal mesh 312 is in a horizontal state. A discharging elastic member 333 is connected between the screen cylinder 311 and the metal screen 312. In this embodiment, the rotation connection between the screen drum 311 and the metal screen 312 is realized by a spring hinge, and a torsion spring in the spring hinge is equivalent to the discharging elastic member 333.
Referring to fig. 2, an aggregate guide plate 332 is fixedly connected to the dropping barrel 110 at the fine aggregate outlet 113, and one end of the aggregate guide plate 332 is located inside the dropping barrel 110 and can abut against the metal screen 312, and the other end extends out of the dropping barrel 110. The aggregate guide plate 332 is positioned higher at the end inside the chute 110 than at the end outside the chute 110.
When the aggregates on the metal mesh 312 are accumulated to a certain extent, the electromagnet 331 is driven to be turned off, the metal mesh 312 rotates to abut against the aggregate guide plate 332, and the aggregates on the metal mesh 312 are discharged through the inclined aggregate guide plate 332. After the aggregates are discharged, the metal screen 312 is returned to the horizontal position by the elastic force of the discharge elastic member 333, and at this time, the electromagnet 331 is energized, so that the material sieving portion 310 can continue to sieve the aggregates.
The aggregate screening mechanism 200 is similar in construction to the trash screening mechanism 300 except that the metal screen 312 in the aggregate screening mechanism 200 is larger in porosity.
Referring to fig. 1 and 2, the bottom wall of the drop tube 110 is provided with an inclined surface, and one end of the bottom wall of the drop tube 110 close to the impurity outlet 114 is lower than the other end thereof far from the impurity outlet 114. By providing the bottom wall of the dropping barrel 110 with a slope, the discharge of the foreign substances from the foreign substance outlet 114 is facilitated.
The embodiment of the utility model provides an aggregate sieving mechanism for recycled concrete's implementation principle does: the waste concrete is crushed into small pieces by the crushing device 100 and falls into the blanking drum 110. The driving part 320 drives the sieving part 310 to generate vibration to sieve the aggregates, and when the aggregates on the metal screen 312 are stacked, the discharging part 330 is driven to discharge the aggregates. The aggregate screening mechanism 200 screens out aggregates having a relatively large volume as coarse aggregates. The aggregates and impurities with smaller volume enter the impurity screening mechanism 300, and the aggregates with smaller volume are screened out by the impurity screening mechanism 300 to be used as fine aggregates. The impurities fall to the bottom of the dropping barrel 110 and are discharged from the impurity outlet 114.
Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an aggregate sieving mechanism for recycled concrete which characterized in that: including setting up blanking barrel (110) in breaker (100) below, be provided with impurity screening mechanism (300) in blanking barrel (110), impurity screening mechanism (300) is including sieve material portion (310), sieve material portion (310) include with blanking barrel (110) on vertical direction slide sieve section of thick bamboo (311) of being connected, be connected with metal mesh (312) on sieve section of thick bamboo (311), impurity screening mechanism (300) still including drive division (320) that are used for driving sieve section of thick bamboo (311) motion, drive division (320) include with slide plate (324) of sieve section of thick bamboo (311) rigid coupling, slide plate (324) slide with blanking barrel (110) and be connected, the lateral wall that the one end of slide plate (324) passed blanking barrel (110) stretches out to the outside.
2. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: the outer side wall of the charging barrel (110) is fixedly connected with a connecting plate (325), and the driving part (320) further comprises a screening elastic part (326) arranged between the connecting plate (325) and the sliding plate (324).
3. The aggregate screening apparatus for recycled concrete according to claim 2, wherein: the driving part (320) further comprises a driving block (323) used for abutting against the sliding plate (324), the driving block (323) is connected with the blanking barrel (110) in a sliding mode in the vertical direction, and the driving block (323) is located outside the blanking barrel (110).
4. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: fine aggregate outlet (113) have been seted up to charging barrel (110) lateral wall, impurity screening mechanism (300) still includes discharge portion (330), discharge portion (330) are including setting up deflector (332) that gathers materials in fine aggregate outlet (113) department, deflector (332) and charging barrel (110) fixed connection gather materials, metal mesh (312) are connected with sieve section of thick bamboo (311) rotation.
5. The aggregate screening apparatus for recycled concrete according to claim 4, wherein: the discharging part (330) further comprises an electromagnet (331) which is arranged on the screen drum (311) and used for fixing the metal screen (312), and a discharging elastic part (333) is connected between the metal screen (312) and the screen drum (311).
6. The aggregate screening apparatus for recycled concrete according to claim 4, wherein: the slope of deflector (332) that gathers materials sets up, the one end of deflector (332) that gathers materials is located blanking barrel (110) inside be used for with metal mesh (312) butt, and the other end stretches out to blanking barrel (110) outside, the deflector (332) that gathers materials is located the inside one end of blanking barrel (110) and is higher than its one end that is located blanking barrel (110) outside.
7. The aggregate screening apparatus for recycled concrete according to claim 4, wherein: impurity export (114) have been seted up to charging barrel (110) lateral wall, impurity export (114) are located fine aggregate outlet (113) below, the bottom wall sets up to the inclined plane in charging barrel (110) falls.
8. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: and a material collecting and screening mechanism (200) is also arranged in the blanking barrel (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695227.4U CN215277869U (en) | 2021-07-24 | 2021-07-24 | Aggregate sieving mechanism for recycled concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695227.4U CN215277869U (en) | 2021-07-24 | 2021-07-24 | Aggregate sieving mechanism for recycled concrete |
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| CN215277869U true CN215277869U (en) | 2021-12-24 |
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| CN202121695227.4U Active CN215277869U (en) | 2021-07-24 | 2021-07-24 | Aggregate sieving mechanism for recycled concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377814A (en) * | 2021-12-30 | 2022-04-22 | 常熟市天和砼有限公司 | Production equipment and processing technology of recycled concrete |
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2021
- 2021-07-24 CN CN202121695227.4U patent/CN215277869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377814A (en) * | 2021-12-30 | 2022-04-22 | 常熟市天和砼有限公司 | Production equipment and processing technology of recycled concrete |
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