CN114082762B - A construction waste treatment device for building engineering waste material is recycled - Google Patents

Abstract

The invention discloses a construction waste treatment device for reusing construction engineering waste, which comprises a box body, a coarse crushing component and a refining component; The silo door, the coarse crushing component includes a crushing block and a crushing motor. The crushing block runs through the box and is clamped with the box. The crushing motor provides power for the crushing block; the fine component includes a transmission motor, a pressure roller, a first guide ring and The second guide ring, the first guide ring and the second guide ring are both set on the fine mesh screen, the two ends of the pressing roller are respectively clamped with the first guide ring and the second guide ring, and the transmission motor provides power for the pressing roller; The invention has a reasonable structure design, can realize fine crushing of construction waste, improve the utilization rate of construction waste, and is suitable for mass promotion.

Description

A construction waste treatment device for reuse of construction waste

technical field

The invention relates to the technical field of reuse of construction waste, in particular to a construction waste treatment device for reuse of construction waste.

Background technique

With the acceleration of industrialization and urbanization, the construction industry has also developed rapidly at the same time, and the accompanying construction waste is increasing. Construction waste refers to the collective term for muck, waste concrete, waste masonry and other wastes generated in the production activities of people engaged in demolition, construction, decoration, repair and other construction industries. According to the source classification, construction waste can be divided into engineering muck, decoration waste, demolition waste, engineering mud, etc. Waste mortar, mud, asphalt blocks, waste plastics, waste metals, waste bamboo and wood, etc. After being sorted, eliminated or crushed, most of the construction waste can be reused as renewable resources, such as: waste steel bars, waste iron wires, waste wires and other metals. After being sorted, concentrated and returned to the furnace, they can be reprocessed into various specifications. Steel; bricks, stones, concrete and other wastes can be used as sand instead of sand after being crushed, used for masonry mortar, plastering mortar, etc., and can also be used to make building materials such as paving bricks and checkered bricks.

However, in the prior art, the traditional construction waste treatment device is not completely crushed when dealing with construction waste, resulting in a low secondary utilization rate of the construction waste, and the existing device has relatively low stability and reliability during operation. Poor, the failure rate is high.

SUMMARY OF THE INVENTION

In view of the above existing technical problems, the present invention provides a construction waste treatment device for the reuse of construction wastes, which can realize the fine pulverization of construction wastes.

The technical scheme of the present invention is as follows: a construction waste treatment device for reuse of construction engineering wastes, comprising a box body, a coarse crushing component and a refining component; the box body includes a first crushing box and a second crushing box, and the first crushing box The box is arranged at the upper end of the second crushing box, and a coarse mesh screen is arranged at the connection between the first crushing box and the second crushing box. The outside of the first crushing box is sleeved with an equipment box, and the upper end is provided with a feeding bin; the lower end of the second crushing box A base is arranged, a discharge bin door is arranged on the side wall, and a fine mesh screen is arranged on the inner wall;

The coarse crushing component includes crushing blocks and crushing motors. There are 3-6 crushing blocks. The 3-6 crushing blocks are evenly distributed inside the first crushing box and run through the inner wall of the first crushing box. The inner wall of the box is provided with guide blocks, each crushing block is provided with a crushing head at the close end, and a hinge seat is provided at the far away end. The number of crushing motors is consistent with the corresponding crushing blocks, and each crushing motor is evenly distributed. Inside the equipment box, and corresponding to the position of each crushing block, an eccentric disc is arranged on the output shaft of each crushing motor, and each eccentric disc and the corresponding hinge seat are respectively hinged through the ejector rod;

The refining component includes a transmission motor, a pressing roller, a first guide ring and a second guide ring. The first guide ring and the second guide ring are both arranged on the fine mesh screen, and the second guide ring is located inside the first guide ring. The upper end surface of the second guide ring is provided with teeth, and there are 2-5 pressing rollers. Each pressing roller is evenly distributed inside the second crushing box. A bevel gear is connected through the connecting shaft, the bevel gear is located inside the second guide ring, a connecting gear ring is sleeved on the connecting shaft, and the connecting gear ring is meshed and connected with the teeth. The transmission motor is arranged on the fine mesh screen and is located in the first Inside the second guide ring, the output shaft of the transmission motor is provided with a main gear, which is meshed and connected with each bevel gear respectively; the upper end of the second guide ring is provided with a conical material guide head, which is connected to the lower part of the coarse mesh screen. End face fixed connection.

Further, it also includes a screening assembly, the screening assembly includes a screening motor, a blanking table and a scraper, two collection boxes are symmetrically arranged on the side wall of the second crushing box, and the collection boxes are arranged at intervals from the discharge bin door, The connection between the two collection boxes and the second crushing box is provided with through grooves, and the outer wall of the second crushing box is slidably connected with a movable baffle ring that blocks the through grooves; the screening motor is fixedly arranged at the inner bottom of the second crushing box, and the blank The table is made of magnetic material. The blanking table is arranged on the output shaft of the screening motor. The outer side wall of the blanking table is in contact with the inner wall of the second crushing box. There are 3-6 plates, and each scraper is evenly distributed on the inner wall of the second crushing box, and the lower end face of each scraper is in contact with the upper end face of the blanking table, and the blanking table made of magnetic material is used for adsorption. The metal substances in the construction waste, and the scraper is used to scrape the metal substances into the collection box for collection, which can not only improve the utilization rate of the metal substances, but also improve the purity of the construction waste after crushing.

Further, a protective sleeve is set on the outside of the screening motor, the lower end of the anti-skid sleeve is fixedly connected with the inner bottom of the second crushing box, and the upper end is slidably clamped with the lower end surface of the blanking table; by setting the protective sleeve, construction waste can be prevented from entering the interior of the screening motor. It will interfere with the operation of the screening motor, thereby improving the operation stability of the screening motor.

Further, a dust removal fan is arranged on the base, and the dust removal fan is connected to the inside of the first crushing box and the second crushing box through pipes respectively. By setting the dust removal fan, it is beneficial to reduce the dust generated during the operation of the device and avoid secondary pollution. production.

Further, a plurality of strip-shaped grooves are evenly distributed horizontally on the crushing head. By setting the strip-shaped grooves on the crushing head, the construction powder can be prevented from being stuck in the gap between two adjacent crushing heads, thereby reducing the crushing dead angle. Improved crushing efficiency.

Further, a roller is hingedly connected at the connection between the crushing head and the guide block. By setting the roller, it is beneficial to reduce the work load of the crushing motor when the crushing head moves, so that the energy consumption of the device is lower.

Further, the surface of each pressing roller is provided with a plurality of wear-resistant protrusions, which facilitates fine pulverization of construction waste, which makes the particle size of construction waste and wastewater more uniform and improves the utilization rate of construction powder.

Further, the connection between each pressing roller and the first guide ring is provided with a ball bearing. By setting the ball bearing, not only the smoothness of the pressing roller during rotation can be improved, but also the friction between the pressing roller and the first guide ring can be reduced. Improve the crushing efficiency of the pressure roller.

Further, the upper end of the equipment box is movably clamped with an end cover, and the arrangement of the end cover facilitates the replacement and maintenance of the internal parts of the equipment box and improves the reliability of the device.

Further, an insertion rod is provided at the connection between the hinge seat and the crushing head, the insertion rod and the crushing head are movably inserted, and a buffer spring is movably clamped at the insertion rod. By setting the insertion rod and the buffer spring, not only can the crushing head be protected, At the same time, the vibration generated when the device is running can be reduced.

The working principle of the present invention is:

S1. Connect the crushing motor, transmission motor and screening motor to the external power supply respectively; then put the construction waste into the first crushing box through the feeding bin at the upper end of the first crushing box; start the crushing motor, and the crushing motor drives the eccentric disc to rotate, Therefore, the ejector rod is used to push each broken block to move back and forth along the guide block, and the construction waste is squeezed and crushed;

S2. The construction waste after extrusion and crushing enters the second crushing box through the coarse mesh screen, the transmission motor is turned on, and each bevel gear of the main gear on the transmission motor is used to rotate, so that each pressure roller rotates; at the same time, due to the connecting shaft and The second guide ring is connected by the connecting gear ring and the teeth, so the pressure roller can rotate along the first guide ring while it is self-propagating, and grind and pulverize the crushed construction waste again;

S3. The ground and pulverized construction waste falls to the blanking table after passing through the fine mesh screen, and falls to the inside of the second crushing box through the blanking hole on the blanking table. collection and transfer;

S4. The metal substances in the construction waste are adsorbed on the surface of the blanking table, the screening motor is turned on, and the movable retaining ring is pulled up along the outer wall of the second crushing box, and the metal substances on the blanking table are scraped off by the scraper. The material enters the collection box through the channel on the second crushing box for collection.

Compared with the prior art, the beneficial effects of the present invention:

The invention has reasonable structural design, can finely pulverize the construction waste, and can also classify and recycle the metal substances in the waste, which not only improves the secondary utilization rate and economic benefit of the construction waste, but also avoids the random dumping of the construction waste. resulting in environmental pollution;

The invention firstly uses the coarse crushing components to perform primary crushing treatment on large pieces of construction waste, and then uses the fine components to perform secondary wastewater treatment on the construction waste, which not only improves the crushing effect of the building, but also reduces the load during the operation of the device, which is beneficial to Improve the reliability and stability of the device;

By setting the dust removal fan in the present invention, it is beneficial to reduce the dust generated during the operation of the device, which can not only avoid the health hazard caused by the dust to the staff, but also avoid the generation of secondary pollution.

Description of drawings

Fig. 1 is the longitudinal sectional view of the present invention;

Fig. 2 is the external structure schematic diagram of the present invention;

Fig. 3 is the distribution diagram of the crushing block of the present invention in the first crushing box;

Fig. 4 is the structural representation of the broken block of the present invention;

Fig. 5 is the schematic diagram of the connection of the crushing block and the guide block of the present invention;

Fig. 6 is the connection schematic diagram of the pressing roller of the present invention and the second crushing box;

Fig. 7 is the distribution diagram of scraper plate of the present invention in the second crushing box;

Among them, 1-box, 10-first crushing box, 100-coarse mesh screen, 101-feed bin, 11-second crushing box, 110-discharge bin door, 111-fine mesh screen, 12-equipment box , 120-end cover, 13-base, 14-collection box, 15-movable retaining ring, 2-coarse crushing component, 20-crushing block, 200-guide block, 201-crushing head, 2010-strip groove, 202- Hinged seat, 203-insert rod, 204-buffer spring, 205-roller, 21-crushing motor, 210-eccentric disc, 22-top rod, 3-fine component, 30-transmission motor, 300-main gear, 31- Press roller, 310-connecting shaft, 311-bevel gear, 312-wear-resistant protrusion, 32-first guide ring, 33-second guide ring, 330-conical material guide head, 4-screening assembly, 40 -Screening motor, 400-protective sleeve, 41-blanking table, 410-blanking hole, 42- scraping plate, 5- dust removal fan.

Detailed ways

Example 1: As shown in Figures 1 and 2, a construction waste treatment device for reuse of construction engineering waste includes a box body 1, a coarse crushing component 2 and a refining component 3; the box body 1 includes a first crushing box 10 and the second crushing box 11, the first crushing box 10 is arranged on the upper end of the second crushing box 11, and the first crushing box 10 and the second crushing box 11 are connected with a coarse mesh screen 100, and the first crushing box 10 is covered outside An equipment box 12 is provided, and a feeding bin 101 is provided at the upper end; a base 13 is provided at the lower end of the second crushing box 11, a discharging bin door 110 is provided on the side wall, and a fine mesh screen 111 is provided on the inner wall;

As shown in FIGS. 1 , 3 and 4 , the coarse crushing assembly 2 includes a crushing block 20 and a crushing motor 21 . There are four crushing blocks 20 , and the four crushing blocks 20 are evenly distributed inside the first crushing box 10 and pass through the first crushing box 10 On the inner wall of the crushing box 10, each crushing block 20 is provided with a guide block 200 at the connection between the inner wall of the first crushing box 10, each crushing block 20 is provided with a crushing head 201 at one end of the crushing block, and a hinge seat is provided at the end away from each other. 202, the number of crushing motors 21 is consistent with the corresponding crushing blocks 20, each crushing motor 21 is evenly distributed inside the equipment box 12, and corresponds to the position of each crushing block 20, the output shaft of each crushing motor 21 is provided with an eccentric disc 210 , each eccentric disc 210 and the corresponding hinge seat 202 are respectively hinged through the ejector rod 22;

As shown in Figs. 1 and 6, the refining assembly 3 includes a transmission motor 30, a pressing roller 31, a first guide ring 32 and a second guide ring 33, and the first guide ring 32 and the second guide ring 33 are both arranged on the fine mesh screen 111, and the second guide ring 33 is located inside the first guide ring 32, the upper end surface of the second guide ring 33 is provided with teeth, and there are four pressing rollers 31, and each pressing roller 31 is evenly distributed horizontally in the second crushing box 11 One end of each pressing roller 31 is slidably connected with the first guide ring 32, and the other end is connected with a bevel gear 311 through the connecting shaft 310. The bevel gear 311 is located inside the second guide ring 33, and the connecting shaft 310 is sleeved There is a connecting ring gear, the connecting ring gear is meshed with the teeth, the transmission motor 30 is arranged on the fine mesh screen 111, and is located inside the second guide ring 33, the output shaft of the transmission motor 30 is provided with a main gear 300, the main gear 300 are meshed with each bevel gear 311 respectively; the upper end of the second guide ring 33 is provided with a conical material guide head 330, and the conical material guide head 330 is fixedly connected with the lower end face of the coarse mesh screen 100; the crushing motor 21 and the transmission motor 30 are both Powered by an external power supply, all of which are commercially available.

Example 2: As shown in Figures 1 and 2, a construction waste treatment device for reuse of construction wastes includes a box body 1, a coarse crushing component 2, a refining component 3 and a screening component 4; box body 1 It includes a first crushing box 10 and a second crushing box 11. The first crushing box 10 is arranged at the upper end of the second crushing box 11, and a coarse mesh screen 100 is provided at the connection between the first crushing box 10 and the second crushing box 11. The outside of the crushing box 10 is provided with an equipment box 12, and the upper end is provided with a feeding bin 101; the lower end of the second crushing box 11 is provided with a base 13, the side wall is provided with a discharge bin door 110, and the inner wall is provided with a fine mesh screen 111; A dust-removing fan 5 is arranged on it, and the dust-removing fan 5 is connected to the inside of the first crushing box 10 and the second crushing box 11 respectively through pipes. By setting the dust-removing fan 5, it is beneficial to reduce the dust generated during the operation of the device and avoid secondary the generation of pollution;

As shown in FIGS. 1 , 3 and 4 , the coarse crushing assembly 2 includes a crushing block 20 and a crushing motor 21 . There are four crushing blocks 20 , and the four crushing blocks 20 are evenly distributed inside the first crushing box 10 and pass through the first crushing box 10 On the inner wall of the crushing box 10, each crushing block 20 is provided with a guide block 200 at the connection between the inner wall of the first crushing box 10, each crushing block 20 is provided with a crushing head 201 at one end of the crushing block, and a hinge seat is provided at the end away from each other. 202, the number of crushing motors 21 is consistent with the corresponding crushing blocks 20, each crushing motor 21 is evenly distributed inside the equipment box 12, and corresponds to the position of each crushing block 20, the output shaft of each crushing motor 21 is provided with an eccentric disc 210 , each eccentric disc 210 and the corresponding hinge seat 202 are respectively hinged through the ejector rod 22;

As shown in Figs. 1 and 6, the refining assembly 3 includes a transmission motor 30, a pressing roller 31, a first guide ring 32 and a second guide ring 33, and the first guide ring 32 and the second guide ring 33 are both arranged on the fine mesh screen 111, and the second guide ring 33 is located inside the first guide ring 32, the upper end surface of the second guide ring 33 is provided with teeth, and there are four pressing rollers 31, and each pressing roller 31 is evenly distributed horizontally in the second crushing box 11 One end of each pressing roller 31 is slidably connected with the first guide ring 32, and the other end is connected with a bevel gear 311 through the connecting shaft 310. The bevel gear 311 is located inside the second guide ring 33, and the connecting shaft 310 is sleeved There is a connecting ring gear, the connecting ring gear is meshed with the teeth, the transmission motor 30 is arranged on the fine mesh screen 111, and is located inside the second guide ring 33, the output shaft of the transmission motor 30 is provided with a main gear 300, the main gear 300 is meshed and connected with each bevel gear 311 respectively; the upper end of the second guide ring 33 is provided with a conical material guide head 330, and the conical material guide head 330 is fixedly connected with the lower end surface of the coarse mesh screen 100;

As shown in Figures 1 and 7, the screening assembly 4 includes a screening motor 40, a blanking table 41 and a scraper 42. Two collection boxes 14 are symmetrically arranged on the side wall of the second crushing box 11. The silo doors 110 are arranged at intervals, and the connection between the two collection boxes 14 and the second crushing box 11 is provided with through grooves. The outer wall of the second crushing box 11 is slidably connected with a movable retaining ring 15 that blocks the through grooves; the screening motor 40 It is fixedly arranged at the inner bottom of the second crushing box 11 , the blanking table 41 is made of magnetic material, the blanking table 41 is arranged on the output shaft of the screening motor 40 , the outer side wall of the blanking table 41 and the inner wall of the second crushing box 11 Abutting, the blanking table 41 is evenly distributed with a plurality of blanking holes 410, the scraper 42 is provided with four, and each scraper 42 is evenly distributed on the inner wall of the second crushing box 11, and each scraper 42 The lower end face is in contact with the upper end face of the blanking table 41 respectively. The blanking table 41 made of magnetic material is used to absorb the metal substances in the construction waste, and at the same time, the scraper 42 is used to scrape the metal substances into the collection box 14 for collection. The utilization rate of metal substances can be improved, and the purity of the construction waste after crushing can also be improved; the crushing motor 21, the transmission motor 30 and the screening motor 40 are powered by external power sources, and all use commercially available products.

Example 3: A construction waste treatment device for reuse of construction waste as shown in Figures 1 and 2, comprising a box body 1, a coarse crushing component 2, a refining component 3 and a screening component 4; box body 1 It includes a first crushing box 10 and a second crushing box 11. The first crushing box 10 is arranged at the upper end of the second crushing box 11, and a coarse mesh screen 100 is provided at the connection between the first crushing box 10 and the second crushing box 11. An equipment box 12 is set on the outside of the crushing box 10, and an end cover 120 is movably clamped at the upper end of the equipment box 12. By arranging the end cover 120, it is convenient to replace and maintain the internal parts of the equipment box 12 and improve the reliability of the device; the first crushing The upper end of the box 10 is provided with a feeding bin 101; the lower end of the second crushing box 11 is provided with a base 13, the side wall is provided with a discharge bin door 110, and the inner wall is provided with a fine mesh screen 111; the base is provided with a dust removal fan 5, a dust removal fan 5. The pipes are respectively connected to the inside of the first crushing box 10 and the second crushing box 11. By setting the dust removal fan 5, it is beneficial to reduce the dust generated during the operation of the device and avoid the generation of secondary pollution;

As shown in FIGS. 1 , 3 , 4 and 5 , the coarse crushing assembly 2 includes a crushing block 20 and a crushing motor 21 . There are four crushing blocks 20 , and the four crushing blocks 20 are evenly distributed inside the first crushing box 10 and penetrate through the first crushing box 10 . On the inner wall of the first crushing box 10, each crushing block 20 is provided with a guide block 200 at the connection between the inner wall of the first crushing box 10, and each crushing block 20 is provided with a crushing head 201 at one end that is close to each other, and is provided with a crushing head 201 at the end away from each other. On the hinged seat 202, a plurality of strip grooves 2010 are evenly distributed horizontally on the crushing head 201. By setting the strip grooves 2010 on the crushing head 201, the construction powder can be prevented from being stuck in the gap between the two adjacent crushing heads 201, thereby The crushing dead angle is reduced, and the crushing efficiency is improved; an insertion rod 203 is arranged at the connection between the hinge seat 202 and the crushing head 201, the insertion rod 203 is movably plugged with the crushing head 201, and a buffer spring 204 is movably clamped at the insertion rod. The insertion rod 203 and the buffer spring 204 can not only protect the crushing head 201, but also reduce the vibration generated during the operation of the device; the connection between the crushing head 201 and the guide block 200 is hinged with a roller 205. By setting the roller 205, there are It is beneficial to reduce the work load of the crushing motor 21 when the crushing head 201 moves, so that the energy consumption of the device is lower; the number of crushing motors 21 is consistent with the corresponding crushing blocks 20, and each crushing motor 21 is evenly distributed inside the equipment box 12, and Corresponding to the position of each crushing block 20, the output shaft of each crushing motor 21 is provided with an eccentric disc 210, and each eccentric disc 210 and the corresponding hinge seat 202 are respectively hinged through the ejector rod 22;

As shown in Figs. 1 and 6, the refining assembly 3 includes a transmission motor 30, a pressing roller 31, a first guide ring 32 and a second guide ring 33, and the first guide ring 32 and the second guide ring 33 are both arranged on the fine mesh screen 111, and the second guide ring 33 is located inside the first guide ring 32, the upper end surface of the second guide ring 33 is provided with teeth, and there are four pressing rollers 31, and each pressing roller 31 is evenly distributed horizontally in the second crushing box 11 One end of each pressing roller 31 is slidably connected with the first guide ring 32, and the other end is connected with a bevel gear 311 through the connecting shaft 310. The bevel gear 311 is located inside the second guide ring 33, and the connecting shaft 310 is sleeved There is a connecting ring gear, the connecting ring gear is meshed with the teeth, the transmission motor 30 is arranged on the fine mesh screen 111, and is located inside the second guide ring 33, the output shaft of the transmission motor 30 is provided with a main gear 300, the main gear 300 is meshed and connected with each bevel gear 311 respectively; the upper end of the second guide ring 33 is provided with a conical material guide head 330, and the conical material guide head 330 is fixedly connected with the lower end surface of the coarse mesh screen 100;

As shown in Figures 1 and 7, the screening assembly 4 includes a screening motor 40, a blanking table 41 and a scraper 42. Two collection boxes 14 are symmetrically arranged on the side wall of the second crushing box 11. The silo doors 110 are arranged at intervals, and the connection between the two collection boxes 14 and the second crushing box 11 is provided with through grooves. The outer wall of the second crushing box 11 is slidably connected with a movable retaining ring 15 that blocks the through grooves; the screening motor 40 It is fixedly arranged at the inner bottom of the second crushing box 11 , the blanking table 41 is made of magnetic material, the blanking table 41 is arranged on the output shaft of the screening motor 40 , the outer side wall of the blanking table 41 and the inner wall of the second crushing box 11 Abutting, the blanking table 41 is evenly distributed with a plurality of blanking holes 410, the scraper 42 is provided with four, and each scraper 42 is evenly distributed on the inner wall of the second crushing box 11, and each scraper 42 The lower end face is in contact with the upper end face of the blanking table 41 respectively. The blanking table 41 made of magnetic material is used to absorb the metal substances in the construction waste, and at the same time, the scraper 42 is used to scrape the metal substances into the collection box 14 for collection. The utilization rate of metal substances can be improved, and the purity of the construction waste after crushing can also be improved; the crushing motor 21, the transmission motor 30 and the screening motor 40 are powered by external power sources, and all use commercially available products.

Example 4: A construction waste treatment device for reuse of construction waste as shown in Figures 1 and 2, comprising a box body 1, a coarse crushing component 2, a refining component 3 and a screening component 4; box body 1 It includes a first crushing box 10 and a second crushing box 11. The first crushing box 10 is arranged at the upper end of the second crushing box 11, and a coarse mesh screen 100 is provided at the connection between the first crushing box 10 and the second crushing box 11. An equipment box 12 is set on the outside of the crushing box 10, and an end cover 120 is movably clamped at the upper end of the equipment box 12. By arranging the end cover 120, it is convenient to replace and maintain the internal parts of the equipment box 12 and improve the reliability of the device; the first crushing The upper end of the box 10 is provided with a feeding bin 101; the lower end of the second crushing box 11 is provided with a base 13, the side wall is provided with a discharge bin door 110, and the inner wall is provided with a fine mesh screen 111; the base is provided with a dust removal fan 5, a dust removal fan 5. The pipes are respectively connected to the inside of the first crushing box 10 and the second crushing box 11. By setting the dust removal fan 5, it is beneficial to reduce the dust generated during the operation of the device and avoid the generation of secondary pollution;

As shown in FIGS. 1 , 3 , 4 and 5 , the coarse crushing assembly 2 includes a crushing block 20 and a crushing motor 21 . There are four crushing blocks 20 , and the four crushing blocks 20 are evenly distributed inside the first crushing box 10 and penetrate through the first crushing box 10 . On the inner wall of the first crushing box 10, each crushing block 20 is provided with a guide block 200 at the connection between the inner wall of the first crushing box 10, and each crushing block 20 is provided with a crushing head 201 at one end that is close to each other, and is provided with a crushing head 201 at the end away from each other. On the hinged seat 202, a plurality of strip grooves 2010 are evenly distributed horizontally on the crushing head 201. By setting the strip grooves 2010 on the crushing head 201, the construction powder can be prevented from being stuck in the gap between the two adjacent crushing heads 201, thereby The crushing dead angle is reduced, and the crushing efficiency is improved; an insertion rod 203 is arranged at the connection between the hinge seat 202 and the crushing head 201, the insertion rod 203 is movably plugged with the crushing head 201, and a buffer spring 204 is movably clamped at the insertion rod. The insertion rod 203 and the buffer spring 204 can not only protect the crushing head 201, but also reduce the vibration generated during the operation of the device; the connection between the crushing head 201 and the guide block 200 is hinged with a roller 205. By setting the roller 205, there are It is beneficial to reduce the work load of the crushing motor 21 when the crushing head 201 moves, so that the energy consumption of the device is lower; the number of crushing motors 21 is consistent with the corresponding crushing blocks 20, and each crushing motor 21 is evenly distributed inside the equipment box 12, and Corresponding to the position of each crushing block 20, the output shaft of each crushing motor 21 is provided with an eccentric disc 210, and each eccentric disc 210 and the corresponding hinge seat 202 are respectively hinged through the ejector rod 22;

As shown in Figs. 1 and 6, the refining assembly 3 includes a transmission motor 30, a pressing roller 31, a first guide ring 32 and a second guide ring 33, and the first guide ring 32 and the second guide ring 33 are both arranged on the fine mesh screen 111, and the second guide ring 33 is located inside the first guide ring 32, the upper end surface of the second guide ring 33 is provided with teeth, and there are four pressing rollers 31, and each pressing roller 31 is evenly distributed horizontally in the second crushing box 11 One end of each pressing roller 31 is slidably connected with the first guide ring 32, and the other end is connected with a bevel gear 311 through the connecting shaft 310. The bevel gear 311 is located inside the second guide ring 33, and the connecting shaft 310 is sleeved There is a connecting gear ring, the connecting gear ring is meshed with the teeth, and each pressing roller 31 is provided with a plurality of wear-resistant protrusions 312 on the surface. The particle size of construction waste wastewater is more uniform, and the utilization rate of construction powder is improved; ball bearings are provided at the connection between each pressing roller 31 and the first guide ring 32. By setting the ball bearing, the smoothness of the rolling roller 31 can not only be improved, but also at the same time The friction between the pressure roller 31 and the first guide ring 32 can be reduced, and the crushing efficiency of the pressure roller 31 can be improved; the transmission motor 30 is arranged on the fine mesh screen 111 and is located inside the second guide ring 33, and the output of the transmission motor 30 A main gear 300 is arranged on the shaft, and the main gear 300 is meshed with each bevel gear 311 respectively; the upper end of the second guide ring 33 is provided with a conical material guide head 330, which is fixed to the lower end surface of the coarse mesh screen 100 connect;

As shown in Figures 1 and 7, the screening assembly 4 includes a screening motor 40, a blanking table 41 and a scraper 42. Two collection boxes 14 are symmetrically arranged on the side wall of the second crushing box 11. The silo doors 110 are arranged at intervals, and the connection between the two collection boxes 14 and the second crushing box 11 is provided with through grooves. The outer wall of the second crushing box 11 is slidably connected with a movable retaining ring 15 that blocks the through grooves; the screening motor 40 It is fixedly arranged on the inner bottom of the second crushing box 11, the screening motor 40 is covered with a protective cover 400, the lower end of the anti-skid cover 400 is fixedly connected with the inner bottom of the second crushing box 11, and the upper end is slidingly clamped with the lower end surface of the blanking table 41; By setting the protective cover, construction waste can be prevented from entering the interior of the screening motor and interfere with the operation of the screening motor, thereby improving the operation stability of the screening motor; the blanking table 41 is made of magnetic material, and the blanking table 41 is arranged on the screen On the output shaft of the sub-motor 40, the outer side wall of the blanking table 41 is in contact with the inner wall of the second crushing box 11, the blanking table 41 is evenly distributed with a plurality of blanking holes 410, and the scraper 42 is provided with four, each The scrapers 42 are evenly distributed on the inner wall of the second crushing box 11, and the lower end faces of each scraper 42 are in contact with the upper end face of the blanking table 41 respectively. At the same time, the scraper 42 is used to scrape the metal material into the collection box 14 for collection, which can not only improve the utilization rate of the metal material, but also improve the purity of the construction waste after crushing; the crushing motor 21, the transmission motor 30 and the The screening motors 40 are all powered by external power sources, and all use commercially available products.

Claims (8)

1. A construction waste treatment device for recycling construction engineering waste is characterized by comprising a box body (1), a coarse crushing component (2), a fine crushing component (3) and a screening component (4); the box body (1) comprises a first crushing box (10) and a second crushing box (11), the first crushing box (10) is arranged at the upper end of the second crushing box (11), a coarse mesh screen (100) is arranged at the joint of the first crushing box (10) and the second crushing box (11), an equipment box (12) is sleeved outside the first crushing box (10), and a feeding bin (101) is arranged at the upper end of the first crushing box (10); the lower end of the second crushing box (11) is provided with a base (13), the side wall of the second crushing box is provided with a discharge bin door (110), and the inner wall of the second crushing box is provided with a fine mesh screen (111);

the coarse crushing assembly (2) comprises crushing blocks (20) and a crushing motor (21), the broken pieces (20) are provided with 3-6 broken pieces (20), 3-6 broken pieces (20) are uniformly distributed in the first crushing box (10), and penetrates through the inner wall of the first crushing box (10), a guide block (200) is arranged at the joint of each crushing block (20) and the inner wall of the first crushing box (10), a crushing head (201) is arranged at one end of each crushing block (20) close to the joint, a hinged seat (202) is arranged at one end of each crushing block far away from the joint, the number of the crushing motors (21) is consistent with that of the crushed blocks (20), each crushing motor (21) is uniformly distributed in the equipment box (12), the positions of the eccentric discs correspond to the positions of the broken fragments (20), the output shaft of each breaking motor (21) is provided with an eccentric disc (210), and each eccentric disc (210) is movably hinged with the corresponding hinge seat (202) through a push rod (22);

the fine component (3) comprises a transmission motor (30), a press roller (31), a first guide ring (32) and a second guide ring (33), the first guide ring (32) and the second guide ring (33) are arranged on the fine mesh screen (111), the second guide ring (33) is positioned inside the first guide ring (32), teeth are arranged on the upper end face of the second guide ring (33), 2-5 press rollers (31) are arranged, the press rollers (31) are horizontally and uniformly distributed inside the second crushing box (11), one end of each press roller (31) is respectively in sliding clamping connection with the first guide ring (32), the other end of each press roller (31) is connected with a bevel gear (311) through a connecting shaft (310), the bevel gear (311) is positioned inside the second guide ring (33), a connecting gear ring is sleeved on the connecting shaft (310) and is connected with the teeth in a meshing manner, the transmission motor (30) is arranged on the fine mesh screen (111) and is positioned in the second guide ring (33), a main gear (300) is arranged on an output shaft of the transmission motor (30), and the main gear (300) is respectively meshed with the conical gears (311); a conical material guiding head (330) is arranged at the upper end of the second guide ring (33), and the conical material guiding head (330) is fixedly connected with the lower end face of the coarse screen (100);

the screening assembly (4) comprises a screening motor (40), a blanking table (41) and a scraping plate (42), two collecting boxes (14) are symmetrically arranged on the side wall of the second crushing box (11), the collecting boxes (14) and a discharging bin door (110) are arranged at intervals, through grooves are formed in the joints of the two collecting boxes (14) and the second crushing box (11), and movable check rings (15) for shielding the through grooves are slidably clamped on the outer wall of the second crushing box (11); screening motor (40) are fixed to be set up in the second smashes case (11) bottom, blanking platform (41) are made by magnetic material, and blanking platform (41) set up on the output shaft of screening motor (40), and blanking platform (41) lateral wall and the inner wall butt of second crushing case (11), evenly distributed has a plurality of blanking holes (410) on blanking platform (41), scrape flitch (42) and be provided with 3-6, each scrape flitch (42) evenly distributed on the inner wall of second crushing case (11), and each scrape flitch (42) lower terminal surface respectively with blanking platform (41) up end butt.

2. The construction waste treatment device for recycling construction engineering waste, according to claim 1, is characterized in that the screening motor (40) is externally sleeved with a protective sleeve (400), the lower end of the protective sleeve (400) is fixedly connected with the bottom in the second crushing box (11), and the upper end of the protective sleeve is slidably clamped with the lower end surface of the blanking table (41).

3. The construction waste disposal device for recycling construction engineering waste according to claim 1, wherein a dust removing fan (5) is provided on the base, and the dust removing fan (5) is respectively communicated with the inside of the first crushing box (10) and the second crushing box (11) through pipes.

4. The construction waste disposal device for recycling construction engineering waste according to claim 1, wherein a plurality of strip-shaped grooves (2010) are horizontally and uniformly distributed on the crushing head (201).

5. The construction waste disposal device for recycling construction engineering waste according to claim 1, wherein the connection between the crushing head (201) and the guide block (200) is movably hinged with a roller (205).

6. The construction waste disposal device for recycling construction engineering waste according to claim 1, wherein each of the press rolls (31) is provided with a plurality of wear-resistant protrusions (312) on a surface thereof.

7. The construction waste disposal device for recycling construction engineering waste according to claim 1, wherein a ball bearing is provided at a connection of each of the press rolls (31) and the first guide ring (32).

8. The construction waste disposal device for recycling construction engineering waste according to claim 1, wherein an end cap (120) is movably engaged to an upper end of the equipment box (12).

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