CN220835779U

CN220835779U - Recycled concrete reducing mechanism

Info

Publication number: CN220835779U
Application number: CN202322384464.4U
Authority: CN
Inventors: 黄雅芳; 赖国强; 卢赵球; 沈明根; 陆宾
Original assignee: Tongxiang Zhonglei Concrete Co ltd
Current assignee: Tongxiang Zhonglei Concrete Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-26
Anticipated expiration: 2033-09-01

Abstract

The utility model relates to a recycled concrete smashing device which comprises a barrel body, wherein a first feeding hole at the top of the barrel body and a first discharging hole at the bottom end of the barrel body are arranged in the barrel body, two first smashing rollers are arranged below the two first smashing rollers in an inclined mode, a second feeding hole is formed in the end, close to the first smashing rollers, of the barrel body, a spiral conveyor is arranged on the second feeding hole, a second discharging hole penetrating through the barrel body is formed in one end, far away from the second feeding hole, of the spiral conveyor, an inclined plate extending between the two first smashing rollers is arranged at the bottom of the second discharging hole, a second smashing assembly is arranged below the first smashing assembly, a third discharging hole is formed in the end, close to the second smashing assembly, of the barrel body, and the inclination direction of the first smashing assembly is opposite to that of the second smashing assembly. The device smashes effectually, sieves simply, efficient.

Description

Recycled concrete reducing mechanism

Technical Field

The utility model relates to the technical field of concrete crushing, in particular to a regenerated concrete crushing device.

Background

Concrete is used as a building material with the maximum consumption of human beings, and the theory and technology of the concrete are gradually matured; however, a large amount of concrete is applied and has negative influence on the living environment and the ecological system, a large amount of concrete is abandoned by urban removal and engineering transformation, a large amount of land resources are wasted by the treatment of the abandoned concrete, and the environment is polluted; in contrast, recycled concrete which has been developed against such a disadvantage is widely used in municipal roads at present, and the concrete of which old buildings or structures are disintegrated is crushed and classified into coarse and fine aggregates, which are used to replace concrete prepared from partial sand and stone in the concrete, and is called recycled concrete. Most of the existing crushing devices are directly crushed and then discharged, so that the conditions of uneven crushing and the like are easy to occur. The utility model of publication No. CN217594703U discloses a concrete crusher which comprises a box body, wherein a feed inlet is formed in the top of the box body, the inside of the box body is rotationally connected with two transmission shafts, crushing rollers are sleeved outside the two transmission shafts, the two crushing rollers are mutually matched, a driving mechanism for driving the two transmission shafts to rotate in opposite directions is arranged on the box body, a baffle plate is fixedly connected on the inner wall of the box body, a guide chute is formed in the top of the baffle plate in a penetrating manner, a screening mechanism for screening concrete crushed materials is further arranged in the box body, but the screening mechanism only has one screen, only coarse materials and fine materials can be selected, however, the coarse materials also contain concrete with larger particle size in the crushing process, and the effective distinction is not facilitated; the concrete with larger grain diameter is selected outside and then crushed by another machine or returned to the device for secondary crushing operation, and then needs to be carried in another way, which causes great trouble and is not beneficial to improving the working efficiency. The present utility model is innovatively improved in view of the above problems.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides the regenerated concrete crushing device which is good in crushing effect, simple in screening and high in efficiency.

The specific embodiments of the present utility model are as follows:

The application provides a recycled concrete smashing device which comprises a barrel body, wherein a first feeding hole at the top of the barrel body and a first discharging hole at the bottom end of the barrel body are arranged in the barrel body, two first smashing rollers are arranged below the two first smashing rollers in an inclined mode, a second feeding hole is formed in the barrel body, which is close to the inclined tail end of the first smashing rollers, a spiral conveyor is arranged on the second feeding hole, a second discharging hole which is communicated with the barrel body is formed in one end, far away from the second feeding hole, of the spiral conveyor, an inclined plate which extends between the two first smashing rollers is arranged at the bottom of the second discharging hole, a second smashing assembly is arranged below the first smashing assembly, a third discharging hole is formed in the inclined tail end, close to the second smashing assembly, of the barrel body, and the inclined direction of the first smashing assembly is opposite to that of the second smashing assembly.

Preferably, it is: the first screening component comprises a first screen plate and a first screen mesh embedded on the first screen plate, the second screening component comprises a second screen plate and a second screen mesh embedded on the second screen plate, and a vibrating machine is arranged on the bottom of one end of the first screen plate, which is far away from the second feeding port, and the bottom of one end of the second screen plate, which is far away from the third discharging port.

Preferably, it is: the inclined tail ends of the first sieve plate and the second sieve plate are respectively connected with connecting pieces in a rotating mode, the connecting pieces are respectively connected with the inner wall of the barrel body in a rotating mode, and one sides, far away from the inclined tail ends, of the first sieve plate and the second sieve plate are respectively connected with the inner wall of the barrel body in a rotating mode.

Preferably, it is: the connecting piece (15) adopts one of a spring, a flexible connecting rod or a connecting rod with a rotating shaft in the middle.

Preferably, it is: and barrier strips are respectively and transversely arranged on the first screen mesh and the second screen mesh.

Preferably, it is: and a slope inclined towards the first discharge hole is arranged between the lower part of the second screen and the first discharge hole.

Preferably, it is: and a guide plate is arranged on one side, close to the screw conveyor, in the barrel body and is inclined towards the first screen.

Preferably, it is: and a second crushing roller is arranged below the inclined part of the first crushing roller far away from the guide plate in the two first crushing rollers, and the second crushing roller is far away from the guide plate.

Preferably, it is: the bottom of the barrel body is provided with supporting legs.

The beneficial effects are that:

The material screening of three specifications is carried out through the first screening component and the second screening component, two materials which are required to be used are finally obtained, the material which does not meet the requirements is returned to the barrel body through the screw conveyor in the screening process and is crushed again until the obtained material meets the requirements, the whole process does not need personnel to carry and operate in addition, the crushing and screening processes are finished at one time, the working efficiency is greatly improved, and the labor force is saved.

The beneficial effects of the present utility model will be described in detail in the examples, thereby making the beneficial effects more apparent.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

Fig. 2 is a schematic view of a first screen structure according to an embodiment of the present utility model.

Wherein:

1. A tub body; 2. a first feed port; 3. a first discharge port; 4. a first pulverizing roller; 5. a second feed inlet; 6. a screw conveyor; 7. a second discharge port; 8. an inclined plate; 9. a third discharge port; 10. a first screen plate; 11. a first screen; 12. a second screen plate; 13. a second screen; 14. a vibration machine; 15. a connecting piece; 16. a barrier strip; 17. a ramp; 18. a guide plate; 19. a second pulverizing roller; 20. and (5) supporting legs.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The following describes embodiments of the present application in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, the utility model provides a recycled concrete smashing device, which comprises a barrel body 1, a first feeding hole 2 at the top of the barrel body 1 and a first discharging hole 3 at the bottom end of the barrel body 1, in the specific embodiment of the utility model, two first smashing rollers 4 are arranged in the barrel body 1, a first screening component is obliquely arranged below the two first smashing rollers 4, a second feeding hole 5 is arranged at the inclined end of the barrel body 1, which is close to the first screening component, a screw conveyer 6 is arranged on the second feeding hole 5, the screw conveyer 6 is vertically arranged along the barrel body 1, a second discharging hole 7 communicated with the barrel body 1 is arranged at one end, which is far away from the second feeding hole 5, of the screw conveyer 6, an inclined plate 8 extending towards the space between the two first smashing rollers 4 is arranged at the bottom of the second discharging hole 7, a second screening component is arranged below the first screening component, a third discharging hole 9 is arranged at the inclined end of the barrel body 1, which is close to the second screening component, and the direction of the second screening component is opposite to the first screening component. The two first crushing rollers 4 rotate oppositely so as to crush concrete, the crushed concrete is primarily screened by the first screening assembly, coarse materials are left on the crushed concrete and slide into the second feed inlet 5, are upwards conveyed by the screw conveyor 6 and then are sent out into the barrel body 1 from the second discharge outlet 7, and the materials are guided to the position between the two first crushing rollers 4 through the inclined plate 8 to be reground and then screened again, so that the crushed concrete is reciprocated. The screened fine materials fall on the second screening component and are collected through a third discharge hole 9; finer materials screened by the second screening component fall into the barrel body 1 and are collected through the first discharging hole 3. The particle size of the concrete broken stone is usually between 5mm and 31.5mm, and three specifications of 05, 12 and 13 are commonly used, namely, the 05 broken stone is sand with the size of 0-5mm, the 12 broken stone is broken stone with the size of 10-20mm, the 13 broken stone is broken stone with the size of 16-31.5mm, and two particle sizes can be selected according to requirements. The device is used only to pour concrete into the first feed inlet 2, other screening and crushing works are automatically completed by the device, the situation that concrete is not fully ground and mixed in the screened materials is avoided, the larger materials are manually selected and put into the device again for crushing is avoided, the working efficiency is greatly improved, the burden of workers is reduced, and the device is convenient to use.

The first screening component comprises a first screen plate 10 and a first screen mesh 11 embedded on the first screen plate 10, the second screening component comprises a second screen plate 12 and a second screen mesh 13 embedded on the second screen plate 12, the middle of the first screen plate 10 and the middle of the second screen plate 12 are hollowed out respectively, then the first screen mesh 11 and the second screen mesh 13 are fixed on the corresponding screen plates respectively, a vibrating machine 14 is arranged on the bottom of one end of the first screen plate 10, which is far away from the second feed inlet 5, and the bottom of one end of the second screen plate 12, which is far away from the third discharge outlet 9, respectively, and materials on the screen plates and the screen mesh are vibrated to the second feed inlet 5 and the third discharge outlet 9 through the vibrating machine 14, so that the screening and the conveying are convenient and full. The mesh size of the first screen 11 is larger than the mesh size of the second screen 13. The shell is arranged outside the vibrator, so that the vibrator can be protected.

The inclined tail ends of the first sieve plate 10 and the second sieve plate 12 are respectively and rotatably connected with a connecting piece 15, the connecting piece 15 is respectively and rotatably connected with the inner wall of the barrel body 1, and one sides of the first sieve plate 10 and the second sieve plate 12, which are far away from the inclined tail ends, are respectively and rotatably connected with the inner wall of the barrel body 1. Through the rotational connection, the vibrating machine 14 can screen the materials more easily during vibration without damaging the barrel body 1. If fixedly connected directly to the tub 1, the vibration effect is reduced, and the tub 1 or the first screening deck 10 and the second screening deck 12 may be damaged.

The connecting piece 15 adopts one of a spring, a flexible connecting rod or a connecting rod with a rotating shaft in the middle, when the spring is adopted, one end of the connecting piece 15 can stretch and retract along with the vibration evaluation rate in the vibration process of the first screen plate 10 and the second screen plate 12, so that the first screen plate 10 and the second screen plate 12 can swing, when the flexible connecting rod is adopted, such as a rubber connecting rod with stretching supply, the first screen plate 10 and the second screen plate 12 can properly swing through the softness of the flexible connecting rod, and when the connecting rod with the rotating shaft in the middle is adopted, a quadrilateral structure is formed, when the vibration machine 14 is jacked up, one end of the connecting piece 15 can swing upwards, when the vibration machine falls down downwards, the connecting piece 15 can be straightened or limited after reaching a required angle, and the flexibility is higher.

The first screen 11 and the second screen 13 are respectively and transversely provided with a barrier strip 16. The barrier strip 16 can enable the material to stay on the first screen 11 and the second screen 13, so that the material is sufficiently screened, and meanwhile, the second feed inlet 5 is prevented from being blocked due to too fast material flow.

A slope 17 inclined towards the first discharge hole 3 is arranged between the lower part of the second screen 13 and the first discharge hole 3. The slope 17 makes the finer material that screens last more convenient follow first discharge gate 3 roll-off, makes things convenient for the staff to collect, improves work efficiency.

A guide plate 18 is arranged on one side of the barrel body 1 close to the screw conveyor 6, and the guide plate 18 is inclined towards the first screen 11. The guide plate 18 is arranged below the first crushing roller 4, and when concrete is poured in, part of crushed stones slide off the side edges of the first crushing roller 4, and at the moment, the crushed stones can be brought onto the first screen 11 through the guide plate 18, so that the crushed stones can be conveniently and subsequently sent to the screw conveyor 6 for re-crushing. Improving the crushing effect.

Of the two first crushing rollers 4, a second crushing roller 19 is provided obliquely below the first crushing roller 4 away from the guide plate 18, and the second crushing roller 19 is away from the guide plate 18. The second crushing roller 19 and the first crushing roller 4 are driven by a rotary motor, crushed stone sliding from the side edge of the first crushing roller 4 is crushed with the first crushing roller 4 again by the second crushing roller 19, the second crushing roller 19 is meshed with the first crushing roller 4, and the crushed stone is screened by the first screen 11, so that the crushing is more sufficient, and the screening efficiency is improved.

Be equipped with stabilizer blade 20 on the staving 1 bottom, stabilizer blade 20 makes the staff more convenient at first discharge gate 3 and third discharge gate 9 receipt material.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and individual steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.

Claims

1. The utility model provides a recycled concrete reducing mechanism, includes staving (1), first feed inlet (2) at staving (1) top and first discharge gate (3) of staving (1) bottom, its characterized in that: be equipped with two first crushing roller (4) in staving (1), two first crushing roller (4) below slopes to be equipped with first screening subassembly, staving (1) is close to the slope end of first screening subassembly is equipped with second feed inlet (5), be equipped with screw conveyer (6) on second feed inlet (5), screw conveyer (6) keep away from be equipped with on the one end of number second feed inlet (5) with second discharge gate (7) that staving (1) link up, be equipped with on second discharge gate (7) bottom to inclined plate (8) that extend between two first crushing roller (4), first screening subassembly below is equipped with second screening subassembly, staving (1) is close to the slope end of second screening subassembly is equipped with third discharge gate (9), first screening subassembly with the incline direction of second screening subassembly is opposite.

2. A recycled concrete crushing apparatus according to claim 1, wherein: the first screening component comprises a first screen plate (10) and a first screen (11) embedded on the first screen plate (10), the second screening component comprises a second screen plate (12) and a second screen (13) embedded on the second screen plate (12), and a vibrating machine (14) is arranged on the bottom of one end of the first screen plate (10), far away from the second feeding port (5), and on the bottom of one end of the second screen plate (12), far away from the third discharging port (9).

3. A recycled concrete crushing apparatus according to claim 2, wherein: the inclined tail ends of the first sieve plate (10) and the second sieve plate (12) are respectively connected with a connecting piece (15) in a rotating mode, the connecting piece (15) is respectively connected with the inner wall of the barrel body (1) in a rotating mode, and one sides, far away from the inclined tail ends, of the first sieve plate (10) and the second sieve plate (12) are respectively connected with the inner wall of the barrel body (1) in a rotating mode.

4. A recycled concrete crushing apparatus according to claim 3, wherein: the connecting piece (15) adopts one of a spring, a flexible connecting rod or a connecting rod with a rotating shaft in the middle.

5. A recycled concrete crushing apparatus according to claim 3, wherein: and barrier strips (16) are respectively and transversely arranged on the first screen (11) and the second screen (13).

6. A recycled concrete crushing apparatus according to claim 5, wherein: a slope (17) inclining towards the first discharge hole (3) is arranged between the lower part of the second screen (13) and the first discharge hole (3).

7. A recycled concrete crushing apparatus according to any one of claims 2 to 6, wherein: a guide plate (18) is arranged on one side, close to the screw conveyor (6), in the barrel body (1), and the guide plate (18) inclines towards the first screen (11).

8. A recycled concrete crushing apparatus according to claim 7, wherein: and a second crushing roller (19) is arranged obliquely below the first crushing roller (4) which is far away from the guide plate (18) in the two first crushing rollers (4), and the second crushing roller (19) is far away from the guide plate (18).

9. A recycled concrete crushing apparatus according to claim 8, wherein: the bottom of the barrel body (1) is provided with supporting legs (20).