CN210906352U

CN210906352U - Concrete crusher

Info

Publication number: CN210906352U
Application number: CN201921592462.1U
Authority: CN
Inventors: 刘小旭
Original assignee: Shanghai Puying Concrete Co ltd
Current assignee: Shanghai Puying Concrete Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-03
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to the technical field of crushers, and aims to provide a concrete crusher which comprises a feed hopper and a crushing box, wherein two rollers which are arranged side by side are rotationally connected in the crushing box; the two rollers are provided with crushing teeth; tooth grooves are formed between every two adjacent crushing teeth; the two rollers realize relative rotation through a driving motor; scraping pieces are respectively arranged on two side walls of the crushing box close to the side surfaces of the two rollers; the scraping piece is provided with a scraping block; bristles with deformation recovery capability are arranged on one side, close to the roller, of the scraping block; the bristles are abutted against the inner wall of the tooth socket; the utility model discloses can get rid of the wet material of gluing that adheres to in smashing the tooth's socket, improve concrete crusher's work efficiency.

Description

Concrete crusher

Technical Field

The utility model relates to a breaker technical field, in particular to concrete crusher.

Background

Concrete is widely used in civil engineering. After the building is aged and removed, more waste concrete is generated; with the development of social economy, the consumption of concrete is increased, and the resources of natural aggregate are in short supply and expensive, so that the waste concrete needs to be recycled; concrete is crushed in the actual recycling process for further processing, and thus a concrete crusher is born.

At present, the Chinese patent document with the publication number of CN207371684U in the prior art discloses a recycled concrete aggregate recycling crusher, which comprises a crusher body, a feed hopper is arranged above the machine body, a storage box is arranged below the machine body, a first crushing chamber and a second crushing chamber which are communicated are arranged in the machine body, and the first crushing chamber is communicated with the feed hopper, the second crushing chamber is communicated with the storage box, a first-stage crushing mechanism is arranged in the first crushing chamber, a second-stage crushing mechanism is arranged in the second crushing chamber, the primary crushing mechanism comprises a plurality of rotating shafts which are clamped and embedded in the first crushing chamber, one end of each rotating shaft is provided with a driving motor, the utility model discloses a crushing machine, including the pivot, be equipped with impeller sword in the pivot, second grade rubbing crusher constructs including a pair of board of rolling, it is external that the board of rolling one side is equipped with pneumatic cylinder and arranges the organism in, the output shaft of pneumatic cylinder is connected with the board of rolling.

Due to weather and environment, the waste concrete is often accompanied by wet and sticky materials containing moisture; the concrete falls into the crushing chamber from the feed hopper and then the impeller blades on the rotating shaft rotate mutually to crush the concrete; and gaps generated between impeller blades on the same rotating shaft are easily blocked by adhesion of wet materials, so that the normal work of the concrete mixer is influenced, and the working efficiency of the concrete crusher is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete crusher can get rid of the wet material of gluing that adheres to in smashing the tooth's socket, improves concrete crusher's work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a concrete crusher comprises a feed hopper and a crushing box, wherein two rollers which are arranged side by side are rotatably connected in the crushing box; the two rollers are provided with crushing teeth; tooth grooves are formed between every two adjacent crushing teeth; the two rollers realize relative rotation through a driving motor; scraping pieces are respectively arranged on two side walls of the crushing box close to the side surfaces of the two rollers; the scraping piece comprises a scraping block; bristles with deformation recovery capability are arranged on one side, close to the roller, of the scraping block; the bristles are abutted against the inner wall of the tooth socket.

Through adopting above-mentioned technical scheme, glue wet material in the concrete and depend on in the tooth's socket after, the brush hair falls with the wet material brush of gluing in the tooth's socket along with the rotation of running roller, has solved and has been blockked up by gluing wet material and cause the problem that concrete breaker work efficiency is low in the tooth's socket of formation between the crushing tooth on the running roller, and this simple structure, effect are showing.

The utility model discloses further set up to: the scraping piece also comprises a bracket extending towards the roller from the inner wall of the crushing box; one end of the bracket, which is close to the roller, is provided with a base, and the other end of the bracket is fixedly connected to the inner wall of the crushing box; a vibrator is arranged at one end of the base, which is far away from the bracket; and a power output rod extending out of the vibrator is fixedly connected to one end of the scraping block, which is back to the bristles.

Through adopting above-mentioned technical scheme, scrape a one end and set up the vibrator after, the brush hair is more obvious to the clear away effect of the concrete crushed aggregates in the tooth's socket.

The utility model discloses further set up to: a supporting spring is arranged between the base and the scraping block; one end of the supporting spring is fixedly connected with one end of the base, which is provided with the vibrator, and the other end of the supporting spring is fixedly connected with one end of the scraping block, which is back to the bristles.

Through adopting above-mentioned technical scheme, the base makes both more stable when the vibrator moves with the spring that scrapes to set up between the piece.

The utility model discloses further set up to: the bristles are detachably and fixedly connected to the scraping piece.

By adopting the technical scheme, the scraping block is an easily-consumed part due to the easy wearability of the bristles, the scraping strip is prevented from being integrally replaced after the scraping block is scrapped by the independently-detachable installation mode, and the cost is saved.

The utility model discloses further set up to: a blower is arranged in the crushing box; and the air outlet of the air blower faces the lower end of the feed hopper.

Through adopting above-mentioned technical scheme, when the concrete falls into broken incasement by the feeder hopper, the wind that blows out in the air-blower can be with the evaporation of water in the concrete, and the wet material that glues in the concrete just makes to have stronger adhesion and adheres to on smashing the tooth because the moisture content, and the aforesaid sets up the adhesive force that has reduced the wet material that glues, can reduce the jam in the tooth's socket.

The utility model discloses further set up to: a filter screen is arranged on an air outlet of the blower; the end face of the air outlet is obliquely downwards inclined towards the direction close to the center of the crushing box along the horizontal plane.

Through adopting above-mentioned technical scheme, increase the filter screen on the air-blower and the terminal surface is the slope setting, can prevent to fall into in the air outlet by the concrete piece that the feeder hopper fell and damage the air-blower.

The utility model discloses further set up to: the air blower is provided with a heating device, and the heating device can heat wind blown out by the air blower into hot wind.

Through adopting above-mentioned technical scheme, the wind that blows off by the air-blower becomes hot-blastly through heating device, and hot-blastly can be effectively dried gluing wet material for moisture evaporation wherein reduces the interior adhesion concrete crushed aggregates of tooth's socket.

The utility model discloses further set up to: and a baffle inclined towards the middle position of the two rollers is arranged on one side of the crushing box opposite to the air outlet.

Through adopting above-mentioned technical scheme, the setting up of baffle makes the material that falls into in the crushing case can follow baffle inclined plane landing to running roller upper end.

The utility model discloses further set up to: the feeder hopper lower extreme is provided with two deflector relatively, the plane that the deflector is located is on a parallel with the axial lead setting of running roller, and two the lower extreme of deflector all sets up towards the intermediate position slope of two running rollers.

Through adopting above-mentioned technical scheme, the deflector has the effect that will be guided to the running roller upper end by the material that the feeder hopper falls.

To sum up, the beneficial effects of the utility model are that:

1. after the wet material in the concrete is attached to the tooth grooves, the brush brushes the wet material in the tooth grooves along with the rotation of the roller, the vibrator is arranged between the scraping block and the support, and the dense bristles have a vibration effect through the vibrator, so that the wet material in the tooth grooves is cleaned more thoroughly, the problem that the working efficiency of the concrete crusher is low due to the fact that the tooth grooves formed between the crushing teeth on the roller are blocked by the wet material is solved;

2. when the concrete falls into broken incasement by the feeder hopper, the hot-blast that blows out in the air-blower can be with the moisture evaporation in the concrete, avoids the wet material that glues in the concrete to adhere to on smashing the tooth because of moisture.

Drawings

FIG. 1 is a schematic front cross-sectional view of the present invention;

fig. 2 is a schematic side cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the hanging member and the roller of the present invention;

fig. 4 is a schematic structural view of the blower of the present invention.

Reference numerals: 1. a guide plate; 2. a feed hopper; 3. a crushing box; 31. a roller; 311. crushing teeth; 312. a tooth socket; 4. scraping the workpiece; 41. a support; 411. a base; 42. a vibrator; 43. scraping the block; 431. brushing; 4311. a base; 4312. buckling; 44. a support spring; 5. a blower; 51. an air outlet; 52. filtering with a screen; 6. and a baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a concrete crusher, as shown in fig. 1, including feeder hopper 2, broken case 3, the 3 internal rotations of broken case are connected with two running rollers 31 that set up side by side, and two running rollers 31 rotate relatively through driving motor, and fixedly connected with crushing tooth 311 of mutually supporting on two running rollers 31 forms tooth's socket 312 between two adjacent crushing teeth 311 for roll and broken concrete material.

As shown in fig. 1 and 3, the two side walls of the crushing box 3 close to the side surfaces of the two rollers 31 are fixedly connected with the scrapers 4 respectively, and each scraper 4 comprises a bracket 41, a vibrator 42 and a scraping block 43 which extend from the inner wall of the crushing box 3 to the direction of the roller 31; one end of the scraping block 43 close to the roller 31 is fixedly connected with a base 4311, and the base 4311 is detachably connected with the scraping block 43 through a buckle 4312; the end face of one end of the base 4311, which is far away from the scraping block 43, is fixedly connected with bristles 431 which have deformation recovery capability, are made of metal and are vertical to the connected end face in the length direction, and the bristles 431 are in extrusion contact with the inner wall of the tooth socket 312 and are used for removing concrete crushed aggregates attached to the inside of the tooth socket 312; one end of the bracket 41, which is far away from the roller 31 in the length direction, is fixedly connected to the inner wall of the crushing box 3, the other end of the bracket is fixedly connected with a base 411 which is parallel to the scraping block 43, one end of the base 411, which is far away from the bracket 41, is fixedly connected with a vibrator 42, and a power output rod extending out of the vibrator 42 is fixedly connected to one end, which is back to the bristles 431, of the base 4311; the base 4311 is connected with the base 411 through a supporting spring 44, one end of the supporting spring 44 is fixedly connected with one end of the base 411, which is provided with the vibrator 42, and the other end of the supporting spring is fixedly connected with one end of the base 4311, which is back to the brush bristles 431; the vibrator 42 can drive the bristles 431 to vibrate, so that the tooth grooves 312 can be cleaned more thoroughly.

As shown in fig. 2 and 4, the side wall of the crushing box 3 is fixedly connected with a blower 5, and an air outlet 51 on the blower 5 faces the lower end of the feed hopper 2 and extends to the oblique lower part of the feed hopper 2, so that moisture in wet materials in concrete is evaporated, the wet materials lose viscosity, and the tooth grooves 312 (see fig. 1) are not easily blocked; a filter screen 52 which covers the air outlet 51 and is parallel to the air outlet 51 is fixedly connected to the air outlet 51 of the blower 5; the end surface of the air outlet 51 is inclined downwards along the horizontal surface towards the direction close to the center of the crushing box 3 in an inclined way, so that concrete blocks falling from the feed hopper 2 are prevented from entering the air outlet 51 and damaging the blower 5; a resistance wire serving as a heating device is arranged in the air blower 5, and high temperature is generated after the resistance wire is electrified, so that hot air is blown out of the air blower 5, and evaporation of moisture in the sticky wet material is accelerated.

As shown in fig. 1 and 2, the lower end of the feeding hopper 2 is relatively and fixedly connected with two guide plates 1, the plane where the guide plates 1 are located is parallel to the axial line of the rollers 31, the lower ends of the two guide plates 1 are both obliquely arranged towards the middle position of the two rollers 31, and the guide plates 1 are located above the air outlet 51 and do not influence the air current to blow the concrete falling from the feeding hopper 2; a baffle 6 which inclines towards the middle position of the two rollers 31 is fixedly connected with one side of the crushing box 3 opposite to the air outlet 51; the guide plate 1 and the baffle 6 can guide concrete falling from the feed hopper 2 to fall to the upper ends of the two rollers 31, and prevent a part of concrete from being crushed and broken by the rollers 31.

The specific operation flow of this embodiment is as follows:

the concrete slides down from the feed hopper 2, the concrete is guided by the guide plate 1 when reaching the lower port of the feed hopper 2, the concrete falls onto the two rollers 31, hot air is blown out from the air blower 5 to blow the concrete falling from the feed hopper 2, and moisture is removed, so that the sticky wet material in the concrete loses viscosity, and the concrete is prevented from being adhered in the tooth grooves 312 between the crushing teeth 311; after the two rollers 31 rotate relatively through the driving motor, the concrete starts to be extruded and made into small concrete particles, the tiny concrete particles and the wet adhesive are easily attached to the tooth grooves 312, and the brush bristles 431 on the two side walls of the crushing box 3, which are abutted to the rollers 31, brush the concrete particles and the wet adhesive attached to the tooth grooves 312 down through the rotation of the rollers 31 and the vibration of the vibrator 42 on the brush bristles 431.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A concrete crusher comprises a feed hopper (2) and a crushing box (3), wherein two rollers (31) which are arranged side by side are rotatably connected in the crushing box (3); the two rollers (31) are provided with crushing teeth (311); a tooth groove (312) is formed between every two adjacent crushing teeth (311); the two rollers (31) realize relative rotation through a driving motor; the method is characterized in that: scraping pieces (4) are respectively arranged on two side walls of the crushing box (3) close to the side surfaces of the two rollers (31); the scraper (4) comprises a scraper block (43); one side of the scraping block (43) close to the roller (31) is provided with bristles (431) with deformation recovery capability; the bristles (431) are abutted against the inner wall of the tooth groove (312).

2. The concrete crusher of claim 1, wherein: the scraper (4) also comprises a bracket (41) extending from the inner wall of the crushing box (3) towards the direction of the roller (31); one end of the bracket (41) close to the roller (31) is provided with a base (411), and the other end is fixedly connected with the inner wall of the crushing box (3); a vibrator (42) is arranged at one end of the base (411) far away from the bracket (41); and a power output rod extending out of the vibrator (42) is fixedly connected to one end of the scraping block (43) back to the bristles (431).

3. The concrete crusher of claim 2, wherein: a supporting spring (44) is arranged between the base (411) and the scraping block (43); one end of the supporting spring (44) is fixedly connected with one end of the base (411) provided with the vibrator (42), and the other end of the supporting spring is fixedly connected with one end of the scraping block (43) back to the bristles (431).

4. The concrete crusher of claim 2, wherein: the bristles (431) are detachably and fixedly connected to the scraper (4).

5. The concrete crusher of claim 1, wherein: a blower (5) is arranged in the crushing box (3); an air outlet (51) of the air blower (5) faces to the lower end of the feed hopper (2).

6. The concrete crusher of claim 5, wherein: a filter screen (52) is arranged on an air outlet (51) of the blower (5); the end face of the air outlet (51) inclines downwards along the horizontal plane towards the direction close to the center of the crushing box (3).

7. The concrete crusher of claim 5, wherein: the air blower (5) is provided with a heating device, and the heating device can heat wind blown out by the air blower (5) into hot wind.

8. The concrete crusher of claim 6, wherein: and a baffle (6) which inclines towards the middle position of the two rollers (31) is arranged on one side of the crushing box (3) relative to the air outlet (51).

9. The concrete crusher of claim 1, wherein: feeder hopper (2) lower extreme is provided with two deflector (1) relatively, the axial lead setting that deflector (1) place plane is on a parallel with running roller (31), and two the lower extreme of deflector (1) all sets up towards the intermediate position slope of two running rollers (31).