阅读说明：本技术 一种木块杂物分离机及其分离方法 (Wood block and sundry separator and separating method thereof ) 是由 邓英光 宋仕学 于 2020-12-16 设计创作，主要内容包括：本发明涉及一种木块杂物分离机及其分离方法,属于废弃木材加工领域,在主辊轴和从辊轴上分别安装带有弦月缺口的圆环分离盘片,将主辊轴和从辊轴安装在机架上,圆环分离盘片形成传送筛盘,在主辊轴和从辊轴之间和相邻从辊轴之间形成筛除通道,在主辊轴和从辊轴的相同一侧安装链传动组,链传动作用使主辊轴和从辊轴联动,在主辊轴的动力输入端安装动力装置,在主辊轴和从辊轴的左右两侧的机架上安装护料板,木块在圆环分离盘片的传送作用下从第一出料口排出,杂物则经过筛除通道从第二出料口排出。本发明具有处理量大、噪声低的特点,通过流水线的作业方式连续不断地经过筛除通道筛除杂物,使木块自动输送,木块与杂物的分离效果好。(The invention relates to a wood block and sundry separator and a separating method thereof, belonging to the field of waste wood processing.A main roll shaft and a secondary roll shaft are respectively provided with a circular separating disc with a crescent gap, the main roll shaft and the secondary roll shaft are arranged on a frame, the circular separating disc forms a conveying screen disc, a screening channel is formed between the main roll shaft and the secondary roll shaft and between adjacent secondary roll shafts, a chain transmission group is arranged on the same side of the main roll shaft and the secondary roll shaft, the main roll shaft and the secondary roll shaft are linked under the action of chain transmission, a power device is arranged at the power input end of the main roll shaft, material protecting plates are arranged on the frame on the left side and the right side of the main roll shaft and the secondary roll shaft, wood blocks are discharged from a first discharge port under the conveying action of the circular separating disc, and sundries are discharged from a second. The invention has the characteristics of large handling capacity and low noise, and can continuously screen out impurities through the screening channel in a production line operation mode, so that the wood blocks are automatically conveyed, and the separation effect of the wood blocks and the impurities is good.)

1. The utility model provides a billet debris separating centrifuge which characterized in that: comprises a material protecting plate (1), a frame (2), a sundries separating and conveying roller mechanism (3), a power device (4) and a chain transmission group (5), wherein a plurality of rows of sundries separating and conveying roller mechanisms (3) which are staggered from end to end are transversely and sequentially arranged on the frame (2), the material protecting plate (1) is arranged on the left side and the right side of the sundries separating and conveying roller mechanism (3), the material protecting plate (1) is fixedly arranged on the frame (2) along the conveying direction of the sundries separating and conveying roller mechanism (3), a feeding hole (11) is arranged above the material protecting plate (1) on one side of the rear end of the sundries separating and conveying roller mechanism (3), a first discharging hole (12) is arranged at the front end of the sundries separating and conveying roller mechanism (3), the power device (4) is arranged on the left side of the sundries separating and conveying roller mechanism (3), the power output end of the power device (4) is in transmission connection with the power input end of the sundries separating and conveying, the chain transmission set (5) is arranged on the right side of the sundries separating and conveying roller mechanism (3), the sundries separating and conveying roller mechanisms (3) between every two adjacent rows are in transmission connection through the chain transmission set (5), and a second discharge hole (13) is formed below the sundries separating and conveying roller mechanisms (3).

2. The wood piece debris separator according to claim 1, wherein: each row of sundries separating and conveying roller mechanism (3) comprises a main roller shaft (30), a plurality of secondary roller shafts (31) which are arranged in parallel with the main roller shaft (30) and circular separating discs (32) which are respectively and uniformly arranged on the periphery of the circumference of the main roller shaft (30) and the secondary roller shafts (31) at intervals, wherein the circular separating discs (32) are respectively arranged on the periphery of the main roller shaft (30) and the periphery of the secondary roller shafts (31) at equal intervals along the axial direction, the two ends of the main roller shaft (30) and the secondary roller shafts (31) are respectively and transversely and fixedly arranged on the rack (2), the power input end of the main roller shaft (30) is in transmission connection with the power output end of the power device (4), the main roller shaft (30) is in transmission connection with the secondary roller shafts (31) and the secondary roller shafts (31) between adjacent secondary roller shafts through the chain transmission groups (5), and the main roller shaft (30) is in transmission connection with the circular separating discs (32) on the secondary roller shafts (31) and the secondary roller shafts ( The annular separating disks (32) are respectively distributed in a staggered way.

3. The wood piece debris separator according to claim 2, wherein: a plurality of crescent notches (321) are uniformly distributed on the outer side of the circular separating disc (32) in the circumferential direction, and disc spines (323) extending outwards are arranged on the edge of the opening of each crescent notch (321).

4. The wood piece debris separator according to claim 3, wherein: the disc thorn (323) is arranged at the edge of the opening part of the crescent notch (321) at one side far away from the first discharge hole (12), and the disc thorn (323) extends out along the rotating direction of the circular separating disc (32).

5. The wood piece debris separator according to claim 3, wherein: the disc thorn (323) is arranged at the edge of the opening part of the crescent notch (321) close to one side of the first discharge hole (12), and the disc thorn (323) extends out along the direction departing from the rotation direction of the circular ring separation disc (32).

6. The wood piece debris separator according to claim 2, wherein: a radially projecting square key (322) is arranged on the inner side of the annular separating disk (32).

7. The wood piece debris separator according to claim 2, wherein: the thickness of the circular ring separation disc (32) is 3-7 mm.

8. A method for separating wood block impurities according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:

s1: circular ring separation discs (32) are respectively installed on the peripheries of the main roller shaft (30) and the auxiliary roller shaft (31), a screening gap is formed between the circular ring separation discs (32), the square keys (322) are respectively clamped in the main roller shaft (30) and the auxiliary roller shaft (31) after being assembled in a clearance mode, crescent notches (321) are respectively and uniformly distributed on the outer sides of the main roller shaft (30) and the auxiliary roller shaft (31) along the circumferential direction, and the extending direction of the disc spines (323) is consistent with the rotating direction and/or the rotating back direction of the circular ring separation discs (32);

s2: the two ends of a main roll shaft (30) and a secondary roll shaft (31) are respectively transversely arranged on a frame (2) through bearing seats, circular separating disks (32) are inserted into screening gaps in a staggered mode, conveying screening disks are formed on the installation planes of the main roll shaft (30) and the secondary roll shaft (31), screening channels are respectively formed between the main roll shaft (30) and the secondary roll shaft (31) and between adjacent secondary roll shafts (31), and the screening channels are uniformly distributed in the conveying screening disks;

s3: a power device (4) is arranged at the power input end of the main roll shaft (30), a chain transmission group (5) is arranged at one end of the same side of the main roll shaft (30) and the auxiliary roll shaft (31), and material protecting plates (1) are arranged on two sides of the main roll shaft (30) and the auxiliary roll shaft (31);

s4: the raw material of the wood blocks mixed with impurities such as silt, broken stone and veneer is sent to a conveying sieve tray, the wood blocks are conveyed towards a first discharge port (12) under the conveying action of a crescent notch (321), and the impurities are separated through a sieving channel under the action of gravity, so that the impurity removal purpose is achieved.

9. The wood piece impurity separating method according to claim 8, characterized in that: in step S4, the extension direction of the disc spine (323) is the same as the rotation direction of the circular separating disc (32), the crescent notch (321) pushes the wood block to be conveyed towards the first discharge hole (12), the disc spine (323) scrapes and breaks the sundries adhered to the surface of the wood block, and then the sundries are screened and separated through the screening channel under the action of gravity.

10. The wood piece impurity separating method according to claim 8, characterized in that: in step S4, the extending direction of the disc spines (323) is consistent with the rotation back direction of the circular separating disc (32), the crescent notches (321) push wood blocks with the tendency of blocking the screening channel to be conveyed towards the first discharge hole (12), and impurities are screened and separated through the screening channel under the action of gravity.

Technical Field

The invention belongs to the field of waste wood processing, and particularly relates to a wood block and sundry separator and a separating method thereof.

Background

In the wood-board industry, a large amount of leftover materials are often generated in the wood processing process, the leftover wood blocks are collected and transported to a board-making factory and become raw materials for manufacturing shaving boards or fiber boards after shaving or crushing, but sundries such as broken stones, silt and the like are mixed in the collected leftover wood blocks, in the process of shaving or crushing, sundries have strong impact action on the shaving cutter and the crushing cutter, the cutter which runs at high speed is easy to wear because of being impacted by the sundries, so that the grain size of the shavings and the crushed materials can not meet the quality requirement, and the processing treatment capacity is greatly reduced, the operation of equipment and the replacement of a cutter are suspended in a short time, the wood shaving and crushing device has the advantages that troubles are caused to manufacturing enterprises, the production efficiency of the manufacturing enterprises is reduced, and therefore sundries such as broken stones and silt need to be separated from wood blocks before the wood shaving or crushing procedure is carried out, machining tools are protected, and the production efficiency of the enterprises is improved.

Most rubbles, silt can be got rid of to current vibrations formula screen cloth separating centrifuge, but vibrations formula screen cloth separating centrifuge exists that the handling capacity is little, vibrations noise is big and the easy shortcoming of blockking up of screen cloth, and edulcoration efficiency is lower. Therefore, in order to solve the troubles of wood processing enterprises and adapt to the urgent needs of the wood processing enterprises, it is important to design a wood block and sundry separator with large handling capacity, low noise and higher impurity removal efficiency.

Disclosure of Invention

The invention aims to provide a wood block and sundries separator and a separation method thereof, which increase the treatment capacity of waste wood and improve the impurity removal efficiency, and in order to realize the aim, the invention adopts the following technical scheme:

the invention discloses a wood block and sundries separator, which comprises a material protecting plate, a frame, sundries separating and conveying roller mechanisms, a power device and a chain transmission group, wherein two rows of sundries separating and conveying roller mechanisms with heads and ends distributed in a staggered manner are transversely arranged on the frame, sundries and wood blocks are separated on the sundries separating and conveying roller mechanisms, the material protecting plate is arranged on the left side and the right side of the sundries separating and conveying roller mechanisms, the material protecting plate is fixedly arranged on the frame along the conveying direction of the sundries separating and conveying roller mechanisms, the material protecting plate provides shielding protection for the materials in the conveying process and prevents the materials from being separated from the conveying direction from the two sides of the sundries separating and conveying roller mechanisms, a material inlet is arranged above the material protecting plate on one side of the rear end of the sundries separating and conveying roller mechanisms, a first material outlet is arranged at the front end of the sundries separating and conveying roller mechanisms, and the wood blocks are discharged from the first, the left side of debris separation transfer roller mechanism sets up power device, this power device's power take off end and the power input end transmission of debris separation transfer roller mechanism are connected, and power device provides the motive power for the rotation of separation transfer roller mechanism the right side of debris separation transfer roller mechanism sets up chain drive group, and debris separation transfer roller mechanism between every adjacent row passes through chain drive group transmission connects, and chain drive group transmission power makes the spare part linkage in the debris separation transfer roller mechanism the below of debris separation transfer roller mechanism is provided with the second discharge gate, and rubble and silt etc. are discharged from first discharge gate.

Preferably, each row of the sundries separating and conveying roller mechanism comprises a main roller shaft, six auxiliary roller shafts which are arranged in parallel with the main roller shaft, and circular separating discs which are respectively and uniformly arranged on the peripheries of the main roller shaft and the auxiliary roller shafts at intervals, the circular separating discs are respectively arranged on the peripheries of the main roller shaft and the auxiliary roller shafts at equal intervals along the axial direction, the two ends of the main roller shaft and the two ends of the auxiliary roller shafts are respectively and transversely fixedly arranged on the rack, the power input end of the main roller shaft is in transmission connection with the power output end of the power device, the main roller shaft, the auxiliary roller shafts and the adjacent auxiliary roller shafts are respectively in transmission connection through a chain transmission set, each chain transmission set comprises a chain wheel and a chain, the chain wheels are respectively and fixedly arranged on the power output ends of the main roller shaft and the auxiliary roller shafts, chains are sleeved on the chain wheels, and the main roller shaft, the auxiliary roller shafts and, the chain transmission function enables the auxiliary roller shaft and the main roller shaft to be linked in the same direction, the main roller shaft and the circular ring separation discs on the auxiliary roller shaft and the circular ring separation discs on the adjacent auxiliary roller shaft are respectively distributed in a spaced and staggered mode, and the circular ring separation discs distributed in the spaced and staggered mode form gaps for accommodating sundries to pass through, so that the sundries are separated from wood blocks through the gaps.

Preferably, sixteen crescent notches are uniformly distributed on the outer side of the circular ring separation disc in the circumferential direction, the crescent notches are arranged to facilitate acceleration of conveying efficiency of wood blocks, and the edge of the opening of each crescent notch is provided with outward extending disc thorns.

Preferably, the plate thorn sets up and is keeping away from the oral area edge of the crescent moon breach of first discharge gate one side, and this plate thorn stretches out along ring separation disc piece direction of rotation, and the plate thorn can scrape off, smash debris such as sand stone and garrulous wooden skin that glue on billet surface to with billet propelling movement to first discharge gate, make the separation effect of debris and billet more show.

Preferably, the disc thorn is arranged at the edge of the opening part of the crescent moon notch close to one side of the first discharge hole, the disc thorn extends out along the direction deviating from the rotation of the circular ring separation disc, the circular ring separation disc has a conveying effect on wood blocks, the wood blocks can be effectively prevented from being clamped between the circular ring separation disc, and the service life of the circular ring separation disc is prolonged.

Preferably, a square key protruding in the radial direction is arranged on the inner side of the circular ring separation disc, and the square key can prevent the circular ring separation disc from rotating on the main roller shaft and the secondary roller shaft in the circumferential direction, so that the circular ring separation disc rotates along with the main roller shaft and the secondary roller shaft in the same direction.

Preferably, the thickness of the circular separating disc is 3-7 mm.

A separation method of a wood block and sundries separator comprises the following steps:

s1: the peripheries of the main roll shaft and the secondary roll shaft are respectively provided with circular ring separation discs, screening gaps are formed between the circular ring separation discs, square keys are respectively clamped in the main roll shaft and the secondary roll shaft after being assembled in a clearance mode, crescent notches are respectively and uniformly distributed on the outer sides of the main roll shaft and the secondary roll shaft along the circumferential direction, and the extending direction of the disc spines is consistent with the rotating direction and/or the rotating back direction of the circular ring separation discs;

s2: the two ends of the main roll shaft and the two ends of the auxiliary roll shaft are respectively and transversely arranged on the frame through bearing seats, so that circular separating disks are inserted into screening gaps in a staggered mode, conveying screening disks are formed on the installation planes of the main roll shaft and the auxiliary roll shaft, screening channels are respectively formed between the main roll shaft and the auxiliary roll shaft and between adjacent auxiliary roll shafts, and the screening channels are uniformly distributed in the conveying screening disks;

s3: a power device is arranged at the power input end of the main roll shaft, a chain transmission set is arranged at one end of the same side of the main roll shaft and the driven roll shaft, and material protecting plates are arranged on the two sides of the main roll shaft and the driven roll shaft;

s4: sending the wood block raw material mixed with impurities such as silt, broken stone and veneer to a conveying sieve tray, conveying the wood block to a first discharge port under the conveying action of the crescent notch, and separating the impurities through a screening channel under the action of gravity to finish the impurity removal purpose.

Preferably, in step S4, the extending direction of the disc spines is the same as the rotation direction of the circular separation disc, the crescent moon notch pushes the wood block to be conveyed towards the first discharge port, and after the disc spines scrape and smash the impurities adhered to the surface of the wood block, the impurities are screened and separated through the screening channel under the action of gravity.

Preferably, in step S4, the extending direction of the disc spines is consistent with the rotation back direction of the circular separating disc, the crescent gap pushes the wood blocks with the tendency of blocking the screening channel to be conveyed towards the first discharge hole, and impurities are screened and separated through the screening channel under the action of gravity.

In summary, by adopting the above technical scheme, the invention has the following beneficial effects:

crisscross distribution through ring separation disc forms the conveying sieve dish, and debris are discharged through the screening passageway in the conveying sieve dish, and the crescent moon breach on the ring separation disc makes the billet toward first discharge gate direction automatic transport, and this technical scheme simple structure, the operation of being convenient for and later maintenance, through the continuous screening debris of the operation mode of assembly line, have vibrations concurrently little, the noise is low, the big advantage of handling capacity, improve billet edulcoration efficiency simultaneously.

Drawings

FIG. 1 is a schematic structural view of a wood block and sundries separator according to the invention;

FIG. 2 is a top view of a wood piece debris separator of the present invention;

FIG. 3 is a right side view of a wood piece debris separator of the present invention;

FIG. 4 is a schematic view of the sundries separating transfer roller mechanism and chain drive set connection of the present invention;

FIG. 5 is a schematic view of a crescent gap of an annular separation disc according to the present invention;

FIG. 6 is a schematic view of a crescent notch of an annular separation disc according to another embodiment of the present invention.

In the attached drawing, 1-a material protecting plate, 2-a rack, 3-a sundries separating and conveying roller mechanism, 4-a power device, 5-a chain transmission set, 11-a feed inlet, 12-a first discharge outlet, 13-a second discharge outlet, 30-a main roller shaft, 31-a secondary roller shaft, 32-a circular separating disc, 321-a crescent notch, 322-a square key, 323-a disc thorn, 51-a chain wheel and 52-a chain.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the invention, even though such aspects of the invention may be practiced without these specific details.

As shown in fig. 1, 2, 3 and 4, according to one aspect of the present invention, a wood block and sundries separator is provided, which comprises a material protecting plate 1, a frame 2, sundries separating and conveying roller mechanisms 3, a power device 4 and a chain transmission set 5, wherein a plurality of rows of sundries separating and conveying roller mechanisms 3 with head and tail staggered with each other are arranged on the frame 2 in sequence, in this embodiment, the number of the sundries separating and conveying roller mechanisms 3 is arranged in two rows, the material protecting plate 1 is arranged on the left and right sides of the sundries separating and conveying roller mechanisms 3, the material protecting plate 1 is fixedly arranged on the frame 2 along the conveying direction of the sundries separating and conveying roller mechanisms 3, a material inlet 11 is arranged above the material protecting plate 1 on the rear end side of the sundries separating and conveying roller mechanisms 3, a first material outlet 12 is arranged on the front end of the sundries separating and conveying roller mechanisms 3, wood blocks are discharged from the first material outlet 12 under the conveying action of the, the left side of the sundries separating and conveying roller mechanism 3 is provided with the power device 4, the power device 4 adopts a motor, the power output end of the power device 4 is in transmission connection with the power input end of the sundries separating and conveying roller mechanism 3, the power device 4 can drive the sundries separating and conveying roller mechanism 3 to rotate towards the first discharge port 12, the right side of the sundries separating and conveying roller mechanism 3 is provided with the chain transmission set 5, the sundries separating and conveying roller mechanism 3 between every two adjacent rows is in transmission connection with the chain transmission set 5, the sundries separating and conveying roller mechanism 3 between every two adjacent rows rotates in the same direction under the action of chain transmission, the second discharge port 13 is arranged below the sundries separating and conveying roller mechanism 3, and the sundries are discharged from the second discharge port 13 through the separating and conveying roller mechanism 3, in the embodiment, each row of the sundries separating and conveying roller mechanism, Six secondary roller shafts 31 parallel to the primary roller shaft 30 and circular ring separating disks 32 respectively arranged on the periphery of the primary roller shaft 30 and the secondary roller shafts 31 at equal intervals along the axial direction, the circular ring separating disks 32 are respectively arranged on the periphery of the primary roller shaft 30 and the secondary roller shafts 31 at equal intervals along the axial direction, the thickness of the circular ring separating disks 32 is 3-7 mm, 5mm is taken in the embodiment, two ends of the primary roller shaft 30 and the secondary roller shafts 31 are respectively and fixedly arranged on the frame 2 through bearing seats, the power input end of the primary roller shaft 30 is in transmission connection with the power output end of the power device 4 through a coupling, the primary roller shaft 30 and the secondary roller shafts 31 and the adjacent secondary roller shafts 31 are respectively in transmission connection through the chain transmission group 5, the primary roller shafts 30 and the circular ring separating disks 32 on the secondary roller shafts 31 and the circular ring separating disks 32 on the adjacent secondary roller shafts 31 are respectively distributed in a staggered way at intervals, form the clearance that holds debris such as rubble, silt and shredded wood skin and pass through between crisscross distributed's ring separation disc 32, debris are discharged from second discharge gate 13 through the clearance, chain drive group 5 includes sprocket 51 and chain 52 main roller shaft 30 and the power take off end of following roller shaft 31 are fixed respectively and are set up sprocket 51 chain 52 is established to the sprocket 51, main roller shaft 30 and follow roller shaft 31 and adjacent follow roller shaft 31 between be connected through chain 52 transmission respectively, and chain drive effect makes from roller shaft 31 and the linkage of main roller shaft 30.

As shown in fig. 5, sixteen crescent notches 321 are uniformly distributed on the outer side of the circular separating disk 32 in the circumferential direction, the conveying effect of the crescent notches 321 can increase the conveying efficiency of the wood blocks, the edge of the opening of the crescent notch 321 is provided with outward extending disc spines 323, when the disc spines 323 are arranged on the edge of the opening of the crescent notch 321 close to one side of the first discharge port 12 and the disc spines 323 extend in the direction departing from the rotation direction of the circular separating disk 32, the circular separating disk 32 rotates in the direction of the first discharge port 12 and conveys the wood blocks to the direction of the first discharge port 12, the wood blocks can be effectively prevented from being blocked between the circular separating disks 32, the service life of the circular separating disk is prolonged, the inner side of the circular separating disk 32 is provided with a square key 322 protruding in the radial direction, the square key 322 can limit the circular separating disk 32 to circumferentially rotate on the main roller 30 and the secondary roller 31, while the axial position of the annular separation discs 32 on the primary and secondary roller shafts 30, 31 is defined by the collars.

As shown in fig. 6, according to another aspect of the present invention, when the disc spines 323 are disposed at the edge of the opening of the crescent notch 321 on the side away from the first discharge port 12, and the disc spines 323 extend out along the rotation direction of the circular separation disc 32, in the process that the circular separation disc 32 rotates along the first discharge port 12, because the contact area between the disc spines 323 and the impurities is small, the force application points of the disc spines 323 to the impurities are dense, and under the action of the same rotating force, the pressure of the disc spines 323 to the impurities is large, so that the silt, the broken stone, and the veneer adhered to the wood block are scraped and broken, and meanwhile, because the extending length of the disc spines 323 is reasonable, the wood block cannot be torn, and under the conveying action of the circular separation disc 32, the wood block is continuously and automatically conveyed towards the first discharge port 12, and the separation effect of the impurities and the wood block is significant.

According to one aspect of the invention, a wood block and sundries separator separation method is provided, which comprises the following steps:

s1: the peripheries of the main roller shaft 30 and the secondary roller shaft 31 are respectively provided with circular separating discs 32, screening gaps are formed between the circular separating discs 32, the square keys 322 are respectively clamped in the main roller shaft 30 and the secondary roller shaft 31 after being assembled in the gaps, the crescent notches 321 are respectively and uniformly distributed at the outer sides of the main roller shaft 30 and the secondary roller shaft 31 along the circumferential direction, and the extending direction of the disc spines 323 is consistent with the rotating direction and/or the rotating back direction of the circular separating discs 32;

s2: the two ends of a main roller shaft 30 and a secondary roller shaft 31 are respectively transversely arranged on a frame 2 through bearing seats, so that circular separating disks 32 are inserted into screening gaps in a staggered mode, conveying screening disks are formed on the installation planes of the main roller shaft 30 and the secondary roller shaft 31, screening channels are respectively formed between the main roller shaft 30 and the secondary roller shaft 31 and between adjacent secondary roller shafts 31, and the screening channels are uniformly distributed in the conveying screening disks;

s3: a power device 4 is arranged at the power input end of the main roller shaft 30, a chain transmission set 5 is arranged at one end of the same side of the main roller shaft 30 and the auxiliary roller shaft 31, and material protecting plates 1 are arranged on two sides of the main roller shaft 30 and the auxiliary roller shaft 31;

s4: sending the wood block raw material mixed with impurities such as silt, broken stone and veneer to a conveying sieve tray, conveying the wood block to the direction of a first discharge port 12 under the conveying action of a crescent notch 321, and separating the impurities through a screening channel under the action of gravity to finish the impurity removal purpose.

In step S4, the extending direction of the disc spine 323 coincides with the rotation direction of the circular separation disc 32, the crescent notch 321 pushes the wood block to be conveyed towards the first discharge port 12, the disc spine 323 scrapes and breaks the impurities adhered to the surface of the wood block, and the impurities are screened and separated through the screening channel under the action of gravity.

In step S4, the protruding direction of the disc spine 323 is consistent with the rotation direction of the circular separating disc 32, the crescent notch 321 pushes the wood block with the tendency of blocking the screening channel to be conveyed toward the first discharge port 12, and the impurities are screened and separated through the screening channel under the action of gravity.

As shown in fig. 1 to 5, according to one aspect of the present invention, there is provided a wood piece and sundry separator, which is installed such that the extending direction of the disc spine 323 is opposite to the rotation direction of the circular separating disc 32, even if the disc spine 323 extends in the direction away from the rotation direction of the circular separating disc 32, after the installation is completed, the wood piece mixed with sundries is fed into the sundry wood piece separator from the feed inlet 11, the material falls down onto the sundry separating and conveying roller mechanism 3 by its own weight, the power device 4 is started to operate to drive the main roller shaft 30 to rotate in the direction of the first discharge outlet 12, the auxiliary roller shaft 31 and the main roller shaft 30 are linked together under the meshing motion of the chain wheel 51 and the chain 52, the circular separating disc 32 rotates together with the main roller shaft 30 and the auxiliary roller shaft 31, the pushing action of the chordal notch 321 makes the material continuously conveyed on the conveying screen disc, the wood piece is fed out from the first discharge outlet 12, meanwhile, after sundries such as broken stones, silt and wood veneers pass through the screening channel under the action of gravity, the sundries are discharged from the second discharge port 13, so that the wood blocks and the sundries are separated, the advantages of small vibration, low noise and large handling capacity are achieved, and the production efficiency can be improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.