Construction waste crushing device for civil engineering green construction

Abstract

The utility model belongs to the technical field of construction waste treatment, and particularly relates to a construction waste crushing device for civil engineering green construction, which comprises a crushing machine body, a crushing bin is arranged at the bottom of a feed hopper in the crushing machine body, and a group of crushing rollers which are provided with crushing cutters and are used for crushing construction waste are arranged in the crushing bin. A crushing and screening mechanism is further arranged on the lower portion in the crushing machine body, a magnetic separation mechanism is installed at the position, below a discharging opening of the crushing bin, in the crushing machine body through an installation plate, the crushing and screening mechanism comprises a crushing bottom cylinder, and a crushing cylinder cover is arranged on the crushing bottom cylinder in an up-down sliding mode through a sliding groove; and a crushing block matched with the crushing barrel cover is mounted in the crushing bottom barrel through a mounting frame. According to the utility model, construction waste is preliminarily crushed through the crushing roller; metal pieces are removed through the magnetic separation mechanism, the crushing and screening mechanism is matched with the screening box to uniformly crush materials, the crushed materials are conveniently and directly screened, and therefore fine materials and particle materials are recycled and utilized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of construction waste treatment, and particularly relates to a construction waste crushing device for green civil construction. BACKGROUND

[0002] Construction waste refers to the muck, spoil, waste material, excess mud and other waste generated in the construction, laying or demolition, repair process of construction, construction units or individuals of various buildings, structures, pipe networks, etc., and many construction wastes are discarded and accumulated, resulting in a large amount of land occupied by construction waste, and the construction waste needs to be crushed and processed.

[0003] However, the existing construction waste crushing equipment needs to be re-screened and crushed by workers after crushing due to different crushing sizes, and cannot realize screening of the construction waste after crushing, so that fine material and granular material cannot be directly recycled and utilized.

[0004] In addition, common magnetic metal parts in the construction waste are directly discharged into the waste, which affects the waste recycling. UTILITY MODEL CONTENT

[0005] To solve the problems in the background art, the utility model provides a construction waste crushing device for green civil construction, which preliminarily crushes the construction waste by the crushing roller, removes the metal parts by the magnetic separation mechanism, uniformly crushes the material by the crushing and screening mechanism in cooperation with the screening box, directly screens the crushed material, and realizes recycling and utilization of fine material and granular material.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a construction waste crushing device for green civil construction, comprising a crusher body, a feed hopper is arranged at the top of the crusher body, a crushing chamber is arranged at the bottom of the feed hopper in the crusher body, a group of crushing rollers with crushing knives for crushing construction waste are arranged in the crushing chamber, a crushing and screening mechanism is further arranged below the crusher body, a magnetic separation mechanism is installed below the crushing chamber by a mounting plate in the crusher body, the magnetic separation mechanism comprises a driving transmission belt for conveying the crushed material in the crushing chamber to the crushing and screening mechanism and a magnetic plate arranged below the conveying surface of the driving transmission belt, the crushing and screening mechanism comprises a crushing bottom cylinder, a crushing cylinder cover is arranged on the crushing bottom cylinder through a sliding groove and slides up and down, a crushing block matched with the crushing cylinder cover is installed in the crushing bottom cylinder through a mounting bracket, and a screening box is connected to the bottom of the crushing bottom cylinder.

[0007] As a preferred scheme, the crushing and screening mechanism further comprises a receiving hopper, which is mounted on the inner side wall of the pulverizer body through a support, is arranged below the bottom end of the driving transmission belt, and has a discharging pipe at the bottom thereof, and the top of the crushing cylinder cover is sleeved on the discharging pipe; a supporting block is arranged on one side of the crushing cylinder cover, and a cylinder connected with the supporting block is mounted on the inner side wall of the pulverizer body and used to drive the crushing cylinder cover to slide and lift on the crushing bottom cylinder through a sliding block and a sliding groove.

[0008] As a preferred scheme, the upper part of the crushing block and the inner top of the crushing cylinder cover are designed in a conical shape, and the surfaces of the upper part of the crushing block and the inner top of the crushing cylinder cover are provided with crushing protrusions; a first motor for driving the crushing block to rotate is mounted on the mounting frame in the crushing bottom cylinder.

[0009] As a preferred scheme, the screening box is provided with a screening filter screen arranged obliquely, the left end of the screening box is provided with a first material outlet at the lower end of the screening filter screen, and the bottom of the screening box is provided with a second material outlet.

[0010] As a preferred scheme, the one end of the mounting plate is provided with a collecting box, the two ends of the driving transmission belt are drivingly connected with driving rollers and transmission rollers, and the one end of the driving roller is provided with a driving motor; the driving transmission belt is arranged obliquely; and the magnetic plate is fixed in the pulverizer body through a mounting support.

[0011] Compared with the prior art, the pulverizer has the advantages that:

[0012] The building waste is preliminarily crushed by the crushing roller, the crushed building waste falls on the surface of the inclined driving transmission belt through the discharging port at the bottom of the crushing bin and slides downward, the magnetic metal parts in the crushed material are tightly adsorbed on the surface of the driving transmission belt by the magnetic plate and are transported to the front of the collecting box in the upward transporting direction, the magnetic metal parts are automatically separated from the magnetic adsorption range of the magnetic plate and fall into the collecting box when the magnetic metal parts move to the front of the collecting box, and the magnetic metal parts are automatically collected in the collecting box, so that the waste recovery is not affected.

[0013] The crushed material after magnetic separation slides along the surface of the driving transmission belt downward until falling between the crushing block and the inner top surface of the crushing cylinder cover; the crushing cylinder cover is driven by the air cylinder to slide up and down on the crushing bottom cylinder through the sliding block in the sliding groove, so that the distance between the conical inner top surface of the crushing cylinder cover and the upper conical crushing block is adjusted, the first motor is started to drive the crushing block to rotate relative to the crushing cylinder cover, and the crushing block and the crushing cylinder cover grind and crush the construction waste, so that the construction waste is evenly crushed, the construction waste slides away from the crushing block under the centrifugal force of the crushing block, and then falls on the upper end of the screening filter screen of the screening box, and then the construction waste is screened, the crushed material is directly screened by the screening filter screen, the fine material is directly discharged from the first material outlet, and the granular material is discharged from the second material outlet, so that the construction waste crushed to different degrees is conveniently screened, and the fine material and the granular material are recycled and utilized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole internal structure schematic view of the utility model;

[0015] Figure 2 It is a structure schematic view of the crushing and screening mechanism in the utility model;

[0016] Figure 3 It is a longitudinal section structure schematic view of the crushing and screening mechanism in the utility model;

[0017] Figure 4 It is a structure schematic view of the magnetic separation mechanism in the utility model.

[0018] BRIEF DESCRIPTION OF DRAWINGS:

[0019] 1, the pulverizer body; 11, the feed hopper; 12, the mounting plate;

[0020] 2, the crushing bin; 3, the crushing roller; 4, the crushing knife;

[0021] 5, the magnetic separation mechanism; 51, the driving roller; 52, the driving motor; 53, the driving transmission belt; 54, the magnetic absorption plate;

[0022] 6, the collection box;

[0023] 7, the receiving hopper; 71, the support; 72, the discharging pipe;

[0024] 8, the crushing and screening mechanism; 81, the crushing bottom cylinder; 82, the crushing cylinder cover; 83, the sleeve; 84, the support block; 85, the air cylinder; 86, the sliding groove; 87, the crushing block; 88, the first motor; 89, the crushing protruding block;

[0025] 9, the screening box; 91, the first material outlet; 92, the second material outlet; 93, the screening filter screen. DETAILED DESCRIPTION

[0026] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements throughout the drawings. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as limiting the present application.

[0027] Example 1

[0028] Please refer to Figures 1-4The utility model provides following technical scheme: a kind of construction waste crushing device for green construction of civil engineering, including pulverizer body 1, pulverizer body 1 top is equipped with feed hopper 11, pulverizer body 1 inside is equipped with crushing bin 2 in the bottom of feed hopper 11, a group of crushing roller 3 with crushing knife 4 for crushing construction waste is equipped in crushing bin 2, preliminary crushing is carried out to construction waste by crushing roller 3 through crushing knife 4;The lower part of the inside of the pulverizer body 1 is also equipped with crushing and screening mechanism 8, the lower part of the inside of the pulverizer body 1 is equipped with magnetic separation mechanism 5 by mounting plate 12 in the discharge port of crushing bin 2, and the magnetic separation mechanism 5 includes drive transmission belt 53 for conveying material crushed by crushing bin 2 to crushing and screening mechanism 8 and suction plate 54 arranged below the conveying surface of drive transmission belt 53, and the crushing and screening mechanism 8 includes crushing bottom cylinder 81, crushing cylinder cover 82 is arranged on crushing bottom cylinder 81 and slides up and down through chute 86, and crushing block 87 matched with crushing cylinder cover 82 is arranged in crushing bottom cylinder 81 through mounting bracket;The crushing and screening mechanism 8 further includes receiving hopper 7, which is mounted on the inner side wall of the pulverizer body 1 through support 71, and the receiving hopper 7 is arranged below the bottom end of the drive transmission belt 53, and the top of the crushing cylinder cover 82 is sleeved on the discharge pipe 72 at the bottom of the receiving hopper 7 through sleeve pipe 83;Supporting block 84 is arranged on one side of the crushing cylinder cover 82, and cylinder 85 connected with the supporting block 84 is mounted on the inner side wall of the pulverizer body 1, for driving the crushing cylinder cover 82 to slide and lift on the crushing bottom cylinder 81 through sliding block and chute 86;The upper part of the crushing block 87 and the inner top part of the crushing cylinder cover 82 are designed in a conical shape, and crushing protrusions 89 are arranged on the surfaces of the upper part of the crushing block 87 and the inner top part of the crushing cylinder cover 82;First motor 88 is mounted on the mounting bracket in the crushing bottom cylinder 81, for driving the rotation of the crushing block 87;In this embodiment, after the crushed material is subjected to the above-mentioned magnetic separation, it slides downward along the surface of the drive transmission belt 53 and enters the receiving hopper 7, until it falls between the crushing block 87 and the inner top surface of the crushing cylinder cover 82 in the crushing and screening mechanism 8;At this time, according to the need for crushing and recycling of construction waste, the crushing cylinder cover 82 is driven to slide and lift on the crushing bottom cylinder 81 through sliding block and chute 86 by cylinder 85, so as to adjust the distance between the conical inner top surface of the crushing cylinder cover 82 and the upper conical crushing block 87, and the first motor 88 is started to drive the rotation of the crushing block 87 relative to the crushing cylinder cover 82, so that the crushing block 87 and the crushing cylinder cover 82 grind the construction waste, further crush the construction waste, and obtain uniformly crushed material, and at the same time, the construction waste slides away from the crushing block 87 under the centrifugal force of the crushing block 87 and falls below the crushing block 87.

[0029] In the embodiment, the screening box 9 is arranged at the bottom of the crushing bottom cylinder 81, and a screening screen 93 is arranged in the screening box 9 in an inclined manner. A first material outlet 91 is arranged at the lower end of the screening screen 93, and a second material outlet 92 is arranged at the bottom of the screening box 9. The screening screen 93 can be replaced with a screen with different aperture. The crushed construction waste falls on the upper end of the screening screen 93 in the screening box 9 through the bottom outlet of the crushing bottom cylinder 81, and then the construction waste is screened. The crushed material is directly screened by the screening screen 93, and the fine material is directly discharged from the first material outlet 91, and the granular material is discharged from the second material outlet 92, so that the construction waste crushed to different degrees is conveniently screened, and the fine material and the granular material are recycled and utilized.

[0030] In the embodiment, the collecting box 6 is arranged at one end of the mounting plate 12, and the driving roller 51 and the transmission roller are drivingly connected to the two ends of the driving transmission belt 53. The driving motor 52 is arranged at one end of the driving roller 51. The driving transmission belt 53 is arranged in an inclined manner. The magnetic plate 54 is fixed in the pulverizer body 1 through the mounting bracket 55. The crushed construction waste falls on the upper side of the driving transmission belt 53 through the bottom outlet of the crushing chamber 2. The crushed material slides downward on the inclined surface of the driving transmission belt 53. The magnetic metal parts in the crushed material are tightly adsorbed on the surface of the driving transmission belt 53 by the magnetic plate 54. The driving motor 52 drives the driving transmission belt 53 to transport upward. The driving transmission belt 53 is transported upward by the driving motor 52 and is transported to the upper side of the collecting box 6. When the magnetic metal parts move to the upper side of the collecting box 6, the magnetic metal parts are separated from the magnetic adsorption range of the magnetic plate 54, so that the magnetic metal parts are automatically separated and automatically collected in the collecting box 6.

[0031] In addition, the second motor is arranged on the crushing chamber 2 to drive the crushing roller 3 to rotate.

[0032] The working principle and use process of the utility model are as follows: in use, the staff puts the construction waste into the crushing chamber 2 of the pulverizer body 1 from the feeding hopper 11, and the construction waste is preliminarily crushed by the crushing roller 3 and the crushing knife 4. The crushed construction waste falls on the upper side of the driving transmission belt 53 through the bottom outlet of the crushing chamber 2. The crushed material slides downward on the inclined surface of the driving transmission belt 53. The magnetic metal parts in the crushed material are tightly adsorbed on the surface of the driving transmission belt 53 by the magnetic plate 54. The driving motor 52 drives the driving transmission belt 53 to transport upward. The driving transmission belt 53 is transported upward by the driving motor 52 and is transported to the upper side of the collecting box 6. When the magnetic metal parts move to the upper side of the collecting box 6, the magnetic metal parts are separated from the magnetic adsorption range of the magnetic plate 54, so that the magnetic metal parts are automatically separated and automatically collected in the collecting box 6, and the waste recovery is not affected.

[0033] After the crushed material is subjected to the above magnetic separation, it slides along the surface of the driving transmission belt 53 downward into the receiving hopper 7 until it falls between the crushing block 87 and the inner top surface of the crushing cylinder cover 82 inside the crushing and screening mechanism 8; at this time, according to the need for building waste crushing and recycling, the cylinder 85 is used to drive the crushing cylinder cover 82 to slide up and down on the crushing bottom cylinder 81 through the sliding block and the sliding groove 86, so as to adjust the distance between the conical inner top surface of the crushing cylinder cover 82 and the upper conical crushing block 87; the first motor 88 is started to drive the crushing block 87 to rotate relative to the crushing cylinder cover 82; the crushing block 87 and the crushing cylinder cover 82 grind the building waste and further crush the building waste, so that the crushed material can be obtained, and at the same time, the building waste is subjected to the centrifugal force of the crushing block 87 and slides away from the crushing block 87 and falls below the crushing block 87, and then the crushed building waste falls through the bottom outlet of the crushing bottom cylinder 81 onto the upper end of the screening filter screen 93 of the screening box 9, and then the building waste can be screened; the crushed material is directly screened by the screening filter screen 93, and the fine material is directly obtained from the first material outlet 91, and the granular material is directly obtained from the second material outlet 92, so that the building waste crushed to different degrees can be screened, and the fine material and the granular material can be recycled and utilized.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A construction waste crushing device for green construction, comprising a crusher body (1), a feed hopper (11) is arranged at the top of the crusher body (1), a crushing bin (2) is arranged at the bottom of the feed hopper (11) in the crusher body (1), a group of crushing rollers (3) with crushing knives (4) for crushing construction waste are arranged in the crushing bin (2), characterized in that: The pulverizer body (1) is further provided with a crushing and screening mechanism (8) below the inside thereof, a magnetic separation mechanism (5) is installed below the discharge port of the crushing bin (2) in the inside of the pulverizer body (1) through a mounting plate (12), the magnetic separation mechanism (5) comprises a driving transmission belt (53) for conveying the crushed material in the crushing bin (2) to the crushing and screening mechanism (8) and a magnetic suction plate (54) arranged below the conveying surface of the driving transmission belt (53), the crushing and screening mechanism (8) comprises a crushing bottom cylinder (81), a crushing cylinder cover (82) is arranged on the crushing bottom cylinder (81) to slide up and down through a sliding groove (86), a crushing block (87) matched with the crushing cylinder cover (82) is installed in the crushing bottom cylinder (81) through a mounting frame, and a screening box (9) is connected to the bottom of the crushing bottom cylinder (81).

2. The construction waste shredding apparatus for green construction of civil engineering according to claim 1, characterized in that: The crushing and screening mechanism (8) further comprises a receiving hopper (7), the receiving hopper (7) is installed on the inner side wall of the pulverizer body (1) through a support (71), the receiving hopper (7) is arranged below the bottom end of the driving transmission belt (53), the top of the crushing cylinder cover (82) is sleeved on the discharging pipe (72) at the bottom of the receiving hopper (7) through a sleeve pipe (83), a supporting block (84) is arranged on one side of the crushing cylinder cover (82), a pneumatic cylinder (85) connected with the supporting block (84) is installed on the inner side wall of the pulverizer body (1) and used for driving the crushing cylinder cover (82) to slide and lift on the crushing bottom cylinder (81) through a sliding block and the sliding groove (86).

3. The construction waste crushing apparatus for green construction of civil engineering according to claim 1, characterized in that: The upper part of the crushing block (87) and the inner top of the crushing cylinder cover (82) are designed in a conical shape, the upper part of the crushing block (87) and the inner top of the crushing cylinder cover (82) are provided with crushing protrusions (89), and a first motor (88) for driving the crushing block (87) to rotate is installed on the mounting frame in the crushing bottom cylinder (81).

4. The construction waste shredding apparatus for green construction of civil engineering according to claim 1, characterized in that: An inclined screening filter screen (93) is arranged in the screening box (9), a first material outlet (91) is formed at the lower end of the screening filter screen (93) at the left end of the screening box (9), and a second material outlet (92) is arranged at the bottom of the screening box (9).

5. The construction waste shredding apparatus for green construction of civil engineering according to claim 1, characterized in that: A collecting box (6) is installed on one end of the mounting plate (12), driving rollers (51) and transmission rollers are transmissionally connected to the two ends of the driving transmission belt (53), a driving motor (52) is installed on one end of the driving roller (51), the driving transmission belt (53) is arranged in an inclined manner, and the magnetic suction plate (54) is fixed in the inside of the pulverizer body (1) through a mounting support (55).

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