CN111389879A

CN111389879A - Device for making wood chips from waste bamboo and wood of construction waste

Info

Publication number: CN111389879A
Application number: CN202010312298.5A
Authority: CN
Inventors: 闫鹏宇
Original assignee: Wenzhou Xingsheng Environmental Protection Technology Co ltd
Current assignee: JIANGSU JINHE CONSTRUCTION ENGINEERING Co.,Ltd.
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-07-10
Anticipated expiration: 2040-04-20
Also published as: CN111389879B

Abstract

The invention discloses a device for making waste bamboo and wood chips of building wastes into wood chips, which comprises a processing box, wherein a cutting mechanism for cutting the bamboo and wood into sections is hinged to the upper surface of the processing box, the cutting mechanism comprises a cutting box which is hinged to the upper surface of the processing box and is provided with an opening at the left side, a feeding block is fixedly connected to the left end of the cutting box, a threaded cavity which is positioned in the processing box is arranged at the lower side of the feeding block, the waste bamboo and wood chips of the building wastes are converted into the wood chips which can be reused and have wide application, the waste bamboo and wood chips are automatically fed and annularly cut by utilizing inclined planes and gravity, the concrete and the bamboo and wood blocks are well separated by utilizing different densities, the whole process is very simple to operate, the labor intensity is low, and the device is worthy of popularization.

Description

Device for making wood chips from waste bamboo and wood of construction waste

Technical Field

The invention relates to the technical field of construction waste correlation, in particular to a device for producing wood chips from waste bamboo and wood of construction waste.

Background

The construction waste bamboo wood refers to waste generated in the process of building, construction units or individuals for building, laying, or dismantling and repairing various buildings, structures, pipe networks and the like, a lot of bamboo wood materials are needed due to the need of building bamboo wood shelves and other reasons in the construction process, once the buildings are completed, the bamboo wood is generally treated as waste, even a lot of space is occupied, the waste bamboo wood can not be directly stacked and managed by people, the use time of the waste bamboo wood is not very long, the waste bamboo wood has good utilization value, and the recycling of the construction waste is good for protecting the environment and resources.

Disclosure of Invention

The invention aims to provide a device for making wood chips from waste bamboo and wood of construction waste, which is used for overcoming the defects in the prior art.

The device for making waste bamboo and wood into wood chips comprises a processing box, wherein a cutting mechanism for cutting the bamboo and wood into sections is hinged to the upper surface of the processing box, the cutting mechanism comprises a cutting box which is hinged to the upper surface of the processing box and is provided with an opening on the left side, a feeding block is fixedly connected to the left end of the cutting box, a threaded cavity which is positioned in the processing box is arranged on the lower side of the feeding block, a top rod which extends out of the processing box and is hinged to the lower surface of the feeding block penetrates through the left side of the top wall of the threaded cavity, a rope wheel cavity and a gear cavity are respectively arranged on the upper side and the lower side of the threaded cavity, a threaded rod which penetrates through and is rotatably connected to the upper wall and the lower wall of the threaded cavity and extends into the rope wheel cavity and the gear cavity is arranged in the threaded cavity, and a nut which is fixedly connected to the lower end of the top rod is in threaded connection with the threaded, the cutting device is characterized in that a rope wheel fixedly connected to the threaded rod is arranged in the rope wheel cavity, a stirring cavity located in the upper surface of the processing box is arranged under the cutting box, a first cavity is arranged in the left wall of the stirring cavity, a sealing plate used for sealing the stirring cavity is connected in the first cavity in a sliding manner, a first spring is fixedly connected between the left end of the sealing plate and the left wall of the first cavity, the left end of the sealing plate is fixedly connected with a pull rope wound on the rope wheel, a first bevel gear fixedly connected to the threaded rod is arranged in the gear cavity, the right side of the first bevel gear is meshed with a second bevel gear, the second bevel gear is in key connection with a first connecting shaft rotatably connected to the right wall of the gear cavity, a stirring mechanism used for stirring and cleaning bamboo wood is arranged at the right end of the first connecting shaft, and a discharge pipeline used for discharging is arranged in the upside of the right wall of, discharge conduit's downside is equipped with the screening mechanism that is used for screening bamboo wood and the system bits mechanism that is used for smashing bamboo wood.

On the basis of the technical scheme, the cutting mechanism further comprises a feeding track positioned inside the feeding block, a first motor is fixedly arranged in the right wall of the feeding block, the right end of the first motor is connected with a first rotating shaft, the first rotating shaft is connected with a first gear in a key mode, a cylinder sleeved outside the first gear and provided with meshing teeth on the inner surface is fixedly arranged on the right wall of the feeding block, a second gear which is symmetrical in left and right positions is connected between the first gear and the cylinder in a meshing mode, a second rotating shaft is fixedly connected to the centers of the second gear on two sides, a cutting wheel is fixedly connected to the right end of the second rotating shaft, and a blocking ring used for limiting the second gear and the position of the second rotating shaft is fixedly arranged at the right end of the inner wall of the cylinder.

On the basis of the technical scheme, the stirring mechanism comprises a linking cavity positioned between the gear cavity and the stirring cavity, the linking cavity is internally and slidably connected with a second motor, the second motor is connected with a linking shaft, the left end of the linking shaft can be connected with the first connecting shaft, a second linking shaft extending into the stirring cavity and connected with the left end of the stirring cavity is penetrated in the right wall of the linking cavity, the second linking shaft is fixedly connected with a stirring rod which is positioned in the stirring cavity and used for stirring and cleaning bamboo and wood, the lower side of the linking cavity is communicated with a sliding rod cavity, the upper end of the sliding rod is fixedly connected with a sliding rod at the lower end of the second motor, a water inlet pipe for water inlet is arranged in the left wall of the stirring cavity, the lower side of the sliding rod cavity is communicated with a cutting cavity penetrating through the water inlet pipe, the cutting cavity is internally and slidably connected with a cutting rod fixedly connected with the lower end of the sliding rod, cut the left end in chamber and be equipped with first electro-magnet admittedly, the right-hand member fixedly connected with second spring of first electro-magnet, the right-hand member fixedly connected with sliding connection of second spring in cut the chamber and set firmly in the permanent magnet of cutting the pole left end, the right side of cutting the pole is equipped with and is used for the switch-on the through-hole of inlet tube.

On the basis of the technical scheme, screening mechanism is including being located second cavity in the exhaust duct lower wall, sliding connection has and is used for plugging up exhaust duct's baffle in the second cavity, the lower extreme of second cavity has set firmly the second electro-magnet, the second electro-magnet with the third spring has set firmly between the lower extreme of baffle, two conducting strips have set firmly in exhaust duct's lower wall, the conducting strip with be connected with the electric wire between the second electro-magnet, the right side the conducting strip downside install current detector on the electric wire, current detector with second motor electric connection, be equipped with in exhaust duct's the upper wall and be located whether the infrared sensor that has bamboo wood to float that is used for detecting on baffle right side, infrared sensor with first electromagnetism electric connection.

On the basis of the technical scheme, system bits mechanism including communicate in the system bits chamber of discharge pipe downside, the left wall in system bits chamber has set firmly the third motor, the right-hand member power connection of third motor have rotate connect in the third pivot of system bits chamber right side wall, fixedly connected with is used for the cutting piece of broken bamboo wood in the third pivot, the third motor passes through the electric wire with conducting strip circuit connection, the bottom in system bits chamber is installed and is permeated water stores up the bits case, the right side of storing up the bits case is equipped with the export.

On the basis of the technical scheme, the lower side of the stirring cavity is hinged with a bottom plate, the lower side of the bottom plate is provided with a sewage discharge pipe for discharging impurities such as waste water and concrete residues, a third electromagnet is fixedly arranged under the bottom plate in the lower wall of the sewage discharge pipe, the upper end of the third electromagnet is fixedly connected with the upper end of a fourth spring fixedly connected with the lower surface of the bottom plate, and the third electromagnet is electrically connected with the infrared sensor.

The invention has the beneficial effects that: converting the useless bamboo wood of building rubbish into can reuse and the extensive saw-dust of usage through dissection, washing, system bits, utilize inclined plane and gravity, realize the auto-feed of useless bamboo wood and carry out the annular cutting, utilize the difference of density, with the fine part of concrete and bamboo wood piece, whole operation is very simple, low in labor strength, is worth promoting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a device for producing wood chips from waste bamboo and wood of construction waste according to the present invention;

FIG. 2 is a schematic view of the present invention taken along the line A-A of FIG. 1;

FIG. 3 is a schematic view of the present invention taken along the line B-B of FIG. 1;

fig. 4 is an enlarged view of the invention at C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 4, the device for making waste bamboo and wood into wood chips of building waste according to the embodiment of the invention comprises a processing box 10, a cutting mechanism 801 for cutting the bamboo and wood into sections is hinged to the upper surface of the processing box 10, the cutting mechanism 801 comprises a cutting box 26 hinged to the upper surface of the processing box 10 and provided with an opening at the left side, a feeding block 51 is fixedly connected to the left end of the cutting box 26, a threaded cavity 58 located inside the processing box 10 is arranged on the lower side of the feeding block 51, a top rod 56 extending out of the processing box 10 and hinged to the lower surface of the feeding block 51 penetrates through the left side of the top wall of the threaded cavity 58, a pulley cavity 55 and a gear cavity 62 are respectively arranged on the upper side and the lower side of the threaded cavity 58, a threaded rod 57 extending through and rotatably connected to the upper and lower walls of the threaded cavity 58 and extending into the pulley cavity 55 and the gear cavity 62 is arranged inside the threaded cavity 58, a nut 59 fixedly connected with the lower end of the ejector rod 56 is connected with the threaded rod 57 in a threaded manner, a rope wheel 53 fixedly connected with the threaded rod 57 is arranged in the rope wheel cavity 55, a stirring cavity 41 positioned in the upper surface of the processing box 10 is arranged right below the cutting box 26, a first cavity 39 is arranged in the left wall of the stirring cavity 41, a sealing plate 37 used for sealing the stirring cavity 41 is connected in the first cavity 39 in a sliding manner, a first spring 38 is fixedly connected between the left end of the sealing plate 37 and the left wall of the first cavity 39, a pull rope 52 wound on the rope wheel 53 is fixedly connected with the left end of the sealing plate 37, a first bevel gear 60 fixedly connected with the threaded rod 57 is arranged in the gear cavity 62, a second bevel gear 61 is engaged and connected with the right side of the first bevel gear 60, and a first connecting shaft 50 rotatably connected with the right wall of the gear cavity 62 is connected with the second bevel gear 61 in, the right-hand member of first even axle 50 is equipped with the rabbling mechanism 802 that is used for stirring and washing bamboo wood, be equipped with the discharge tube way 24 that is used for discharging bamboo wood in the upside of the right wall of stirring chamber 41, discharge tube way 24's downside is equipped with screening mechanism 803 that is used for screening bamboo wood and the system bits mechanism 804 that is used for smashing bamboo wood.

In addition, in one embodiment, the cutting mechanism 801 further includes a feeding rail 54 located inside the feeding block 51, a first motor 35 is fixedly disposed in a right wall of the feeding block 51, a first rotating shaft 32 is connected to a right end of the first motor 35, a first gear 31 is connected to the first rotating shaft 32 in a key manner, a cylinder 28 sleeved outside the first gear 31 and having meshing teeth on an inner surface is fixedly disposed on the right wall of the feeding block 51, a second gear 36 symmetrical in left and right positions is connected between the first gear 31 and the cylinder 28 in a meshing manner, a second rotating shaft 34 is fixedly connected to centers of the second gears 36 on two sides, a cutting wheel 33 is fixedly connected to a right end of the second rotating shaft 34, and a retaining ring 29 for limiting positions of the second gear 36 and the second rotating shaft 34 is fixedly disposed on a right end of an inner wall of the cylinder.

In addition, in an embodiment, the stirring mechanism 802 includes a linking cavity 49 between the gear cavity 62 and the stirring cavity 41, a second motor 48 is slidably connected in the linking cavity 49, a linking shaft 47 whose left end can be connected with the first linking shaft 50 is power connected on the second motor 48, a second linking shaft 46 which extends into the stirring cavity 41 and whose left end can be connected with the linking shaft 47 penetrates through the right wall of the linking cavity 49, a stirring rod 43 which is used for stirring and cleaning bamboo wood and located in the stirring cavity 41 is fixedly connected on the second linking shaft 46, a sliding rod cavity 45 is communicated with the lower side of the linking cavity 49, an upper end of the sliding rod 44 is fixedly arranged at the lower end of the second motor 48 is slidably connected in the sliding rod cavity 45, a water inlet pipe 12 used for water inlet is arranged in the left wall of the stirring cavity 41, a cutting cavity 14 which penetrates through the water inlet pipe 12 is communicated with the lower side of the sliding rod cavity 45, the water inlet pipe is characterized in that a cut rod 42 fixedly connected with the lower end of the sliding rod 44 is slidably connected in the cut cavity 14, a first electromagnet 13 is fixedly arranged at the left end of the cut cavity 14, a second spring 15 is fixedly connected at the right end of the first electromagnet 13, a permanent magnet 70 which is slidably connected in the cut cavity 14 and fixedly arranged at the left end of the cut rod 42 is fixedly connected at the right end of the second spring 15, and a through hole 40 used for communicating the water inlet pipe 12 is formed in the right side of the cut rod 42.

In addition, in one embodiment, the screening mechanism 803 includes a second cavity 67 in the lower wall of the discharge conduit 24, a shutter 27 for blocking the discharge duct 24 is slidably connected in the second cavity 67, a second electromagnet 65 is fixedly arranged at the lower end of the second cavity 67, a third spring 66 is fixedly arranged between the second electromagnet 65 and the lower end of the baffle plate 27, two conducting strips 69 are fixedly arranged in the lower wall of the discharge pipeline 24, an electric wire 64 is connected between the conducting strips 69 and the second electromagnet 65, a current detector 68 is arranged on the electric wire 64 at the lower side of the conducting strip 69 at the right side, current detection appearance 68 with second motor 48 electric connection, be equipped with in the upper wall of discharge pipe 24 and be located baffle 27 right side is used for detecting whether there is the infrared sensor 25 that bamboo wood floated, infrared sensor 25 with first electro-magnet 13 electric connection.

In addition, in an embodiment, chip making mechanism 804 including communicate in the chip making chamber 21 of discharge tube 24 downside, the left wall in chip making chamber 21 has set firmly third motor 63, the right-hand member power connection of third motor 63 have rotate connect in the third pivot 22 of the right wall in chip making chamber 21, fixedly connected with is used for the cutting piece 23 of broken bamboo wood in third pivot 22, third motor 63 passes through electric wire 64 with conducting strip 69 circuit connection, the bottom in chip making chamber 21 is installed and is permeated water's storage bits case 19, the right side of storage bits case 19 is equipped with export 20.

In addition, in one embodiment, the lower side of the stirring cavity 41 is hinged to a bottom plate 17, a sewage discharge pipe 11 for discharging impurities such as wastewater and concrete residues is arranged on the lower side of the bottom plate 17, a third electromagnet 16 fixedly arranged in the lower wall of the sewage discharge pipe 11 is arranged under the bottom plate 17, the upper end of the third electromagnet 16 is fixedly connected with a fourth spring 18, the upper end of the fourth spring is fixedly connected with the lower surface of the bottom plate 17, and the third electromagnet 16 is electrically connected with the infrared sensor 25.

In the initial state, the feed block 51 is kept horizontal and is abutted against the upper surface of the processing box 10, the engaging shaft 47 is connected to the first connecting shaft 50 and disconnected from the second connecting shaft 46, the closing plate 37 is positioned at the rightmost side, the upper side of the stirring chamber 41 is in the closed state, the cutoff bar 42 is positioned at the leftmost side, the water inlet pipe 12 is blocked, and the blocking plate 27 blocks the discharge pipe 24 under the elastic force of the third spring 66.

When the chip making work is needed, the waste bamboo and wood are stretched into the feeding track 54 until the feeding track 54 is filled, then the second motor 48 is started, the second motor 48 drives the threaded rod 57 to rotate through the connecting shaft 47, the first connecting shaft 50, the second bevel gear 61 and the first bevel gear 60, the ejector rod 56 is fixedly connected with the nut 59 and can only move up and down, therefore, under the rotation of the threaded rod 57, the nut 59 rises and drives the ejector rod 56 to rise and jack up the feeding block 51, meanwhile, the threaded rod 57 rotates and drives the rope pulley 53 to rotate, further, the rope pulley 53 contracts the pull rope 52, further, the sealing plate 37 is pulled leftwards and the upper opening of the stirring cavity 41 is opened, then the second motor 48 is closed, meanwhile, the first motor 35 is started, the first motor 35 drives the first rotating shaft 32 to rotate, further, the first gear 31 and the cylinder 28 drive the second gear 36 to axially rotate and rotate by taking the first rotating shaft 32 as a rotating center, then the second rotating shaft 34 drives the cutting wheel 33 to axially rotate, simultaneously the cutting wheel 33 rotates along with the second gear 36 and the second rotating shaft 34 by taking the first rotating shaft 32 as a rotating center and annularly cuts the waste bamboo wood, the ejector rod 56 jacks the feeding block 51, the feeding block 51 has an angle inclined to the right, the waste bamboo wood can automatically feed under the action of self gravity and an inclined angle until the waste bamboo wood is completely cut, the cut small waste bamboo wood falls into the stirring cavity 41 under the action of self gravity, at the moment, the second motor 48 is reversed until the feeding block 51 is abutted against the upper surface of the processing box 10 again, the sealing plate 37 completely seals the stirring cavity 41, then the first electromagnet 13 is electrified, the first electromagnet 13 obtains magnetism and repels the permanent magnet 70, then the cutting rod 42 is pushed to the rightmost end, and the through hole 40 is communicated with the water inlet pipe 12, and the connecting shaft 47 is connected with the second connecting shaft 46, then the water inlet pipe 12 discharges clean water into the stirring cavity 41, the second connecting shaft 46 rotates and drives the stirring rod 43 to stir and clean the waste bamboo wood, so as to clean concrete, dust and the like possibly adhered to the surface of the waste bamboo wood, the water level in the stirring cavity 41 rises along with the continuous discharge of the water inlet pipe 12 until the water overflows from the discharge pipeline 24, at the moment, the conducting plate 69 is immersed by the water and forms a circuit loop, at the moment, the second electromagnet 65 and the third motor 63 are electrified, the current detector 68 detects the current and controls the second motor 48 to be closed, the second electromagnet 65 obtains magnetism and attracts the baffle plate 27, the baffle plate 27 moves downwards to open the discharge pipeline 24, the waste bamboo wood is floated on the water surface and is discharged from the discharge pipeline 24 along with the water because the density of the waste bamboo wood is less than that of the water, and is cut into wood chips by the cutting blade 23 driven by the third motor 63 and falls into the chip storage box 19, redundant water seeps out of the scrap storage box 19 and is discharged from the outlet 20, when waste bamboo and wood do not drift out of the discharge pipeline 24, the infrared sensor 25 controls the first electromagnet 13 to be powered off, the intercepting rod 42 moves to the leftmost side under the elastic action of the second spring 15, the water inlet pipe 12 is closed, meanwhile, the infrared sensor 25 controls the third electromagnet 16 to be powered on, the bottom plate 17 is opened, the remained sewage is discharged, then the third electromagnet 16 is powered off, the bottom plate 17 is closed, after the water is discharged, the loop of the electric wire 64 is disconnected again, the second electromagnet 65 is powered off, the third motor 63 is closed, the baffle plate 27 moves upwards under the elastic action of the third spring 66, the discharge pipeline 24 is closed, and the initial state is recovered.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a device with useless bamboo wood of building rubbish makes saw-dust, includes the processing case, its characterized in that: the upper surface of the processing box is hinged with a cutting mechanism for cutting bamboo and wood into sections, the cutting mechanism comprises a left opening cutting box hinged with the upper surface of the processing box, the left end of the cutting box is fixedly connected with a feeding block, the lower side of the feeding block is provided with a thread cavity positioned inside the processing box, the left side of the top wall of the thread cavity is penetrated with an ejector rod extending out of the processing box and hinged with the lower surface of the feeding block, the upper side and the lower side of the thread cavity are respectively provided with a rope wheel cavity and a gear cavity, the inside of the thread cavity is provided with a threaded rod penetrating and rotating to be connected with the upper wall and the lower wall of the thread cavity and extend into the rope wheel cavity and the gear cavity, the threaded rod is connected with a nut fixedly connected with the lower end of the ejector rod, and the rope wheel cavity is internally provided with a rope wheel fixedly connected with the threaded rod, a stirring cavity positioned in the upper surface of the processing box is arranged right below the cutting box, a first cavity is arranged in the left wall of the stirring cavity, a sealing plate for plugging the stirring cavity is slidably connected in the first cavity, a first spring is fixedly connected between the left end of the sealing plate and the left wall of the first cavity, the left end of the sealing plate is fixedly connected with a pull rope wound on the rope wheel, a first bevel gear fixedly connected with the threaded rod is arranged in the gear cavity, the right side of the first bevel gear is engaged with a second bevel gear which is in keyed connection with a first connecting shaft rotationally connected with the right wall of the gear cavity, a stirring mechanism for stirring and cleaning the bamboo wood is arranged at the right end of the first connecting shaft, a discharge pipeline for discharging the bamboo wood is arranged in the upper side of the right wall of the stirring cavity, discharge conduit's downside is equipped with the screening mechanism that is used for screening bamboo wood and the system bits mechanism that is used for smashing bamboo wood.

2. The device for producing the wood chips from the waste bamboo and wood of the construction waste as claimed in claim 1, which is characterized in that: the cutting mechanism further comprises a feeding track located inside the feeding block, a first motor is fixedly arranged in the right wall of the feeding block, the right end of the first motor is connected with a first rotating shaft, a first gear is connected to the first rotating shaft in a key mode, a cylinder sleeved outside the first gear and provided with meshing teeth on the inner surface is fixedly arranged on the right wall of the feeding block, a second gear which is symmetrical in left and right positions is connected between the first gear and the cylinder in a meshing mode, a second rotating shaft is fixedly connected to the centers of the second gear on two sides, a cutting wheel is fixedly connected to the right end of the second rotating shaft, and a blocking ring used for limiting the second gear and the position of the second rotating shaft is fixedly arranged at the right end of the inner wall of the cylinder.

3. The device for producing the wood chips from the waste bamboo and wood of the construction waste as claimed in claim 1, which is characterized in that: the stirring mechanism comprises a connecting cavity positioned between the gear cavity and the stirring cavity, the connecting cavity is internally and slidably connected with a second motor, the second motor is provided with a connecting shaft, the left end of the connecting shaft can be connected with the first connecting shaft, the right wall of the connecting cavity is internally penetrated with a second connecting shaft, the left end of the connecting shaft can be connected with the connecting shaft, the second connecting shaft is fixedly connected with a stirring rod which is positioned in the stirring cavity and used for stirring and cleaning bamboo wood, the lower side of the connecting cavity is communicated with a sliding rod cavity, the sliding rod cavity is internally and slidably connected with a sliding rod, the upper end of the sliding rod is fixedly arranged at the lower end of the second motor, the left wall of the stirring cavity is internally provided with a water inlet pipe for water inlet, the lower side of the sliding rod cavity is communicated with a cutting cavity which is penetrated through the water inlet pipe, and the cutting cavity is internally and slidably connected with a cutting rod, cut the left end in chamber and be equipped with first electro-magnet admittedly, the right-hand member fixedly connected with second spring of first electro-magnet, the right-hand member fixedly connected with sliding connection of second spring in cut the chamber and set firmly in the permanent magnet of cutting the pole left end, the right side of cutting the pole is equipped with and is used for the switch-on the through-hole of inlet tube.

4. The device for producing the wood chips from the waste bamboo and wood of the construction waste as claimed in claim 1, which is characterized in that: screening mechanism is including being located second cavity in the exhaust duct lower wall, sliding connection has and is used for plugging up exhaust duct's baffle, the lower extreme of second cavity has set firmly the second electro-magnet, the second electro-magnet with the third spring has set firmly between the lower extreme of baffle, two conducting strips have set firmly in exhaust duct's the lower wall, the conducting strip with be connected with the electric wire between the second electro-magnet, the right side the conducting strip downside install current detector on the electric wire, current detector with second motor electric connection, be equipped with in exhaust duct's the upper wall and be located whether the infrared sensor that is used for detecting on baffle right side has bamboo wood to float, infrared sensor with first electromagnetism ferroelectric is connected.

5. The device for producing the wood chips from the waste bamboo and wood of the construction waste as claimed in claim 1, which is characterized in that: make bits mechanism including communicate in the system bits chamber of discharge line downside, the left wall in system bits chamber has set firmly the third motor, the right-hand member power connection of third motor have rotate connect in the third pivot of system bits chamber right side wall, fixedly connected with is used for the cutting piece of broken bamboo wood in the third pivot, the third motor passes through the electric wire with conducting strip circuit connection, the bottom in system bits chamber is installed and is permeated water and store up the bits case, the right side of storing up the bits case is equipped with the export.

6. The device for producing the wood chips from the waste bamboo and wood of the construction waste as claimed in claim 1, which is characterized in that: the downside in stirring chamber articulates there is the bottom plate, the downside of bottom plate is equipped with the blow off pipe that is used for impurity such as discharge waste water and concrete residue, be equipped with under the bottom plate set firmly in third electro-magnet in the blow off pipe lower wall, the upper end fixedly connected with upper end of third electro-magnet with the fourth spring of the lower fixed surface connection of bottom plate, the third electro-magnet with infrared sensor electric connection.