CN113386237A - Paving box for shaving board production - Google Patents
Paving box for shaving board production Download PDFInfo
- Publication number
- CN113386237A CN113386237A CN202110541674.2A CN202110541674A CN113386237A CN 113386237 A CN113386237 A CN 113386237A CN 202110541674 A CN202110541674 A CN 202110541674A CN 113386237 A CN113386237 A CN 113386237A
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- paving
- negative pressure
- box
- box body
- induced air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a paving box for shaving board production, which comprises a box body and a paving conveying mechanism penetrating through the box body, wherein the advancing direction of the paving conveying mechanism is the paving direction; a feeding port is arranged on the box body, and the feeding direction is opposite to the paving direction; the box body is provided with a negative pressure induced air part, and the induced air direction is opposite to the paving direction; wherein, a blocking component is arranged between the feeding port and the negative pressure induced air part to destroy the vortex generated by the air draft of the negative pressure induced air part. According to the invention, the throwing of the material feeding port is combined with the negative pressure induced draft part, so that the material is scattered on the paving conveying mechanism in a parabola form, and the paving is more uniform; and a blocking part is arranged between the feeding port and the negative pressure induced air part to destroy vortex generated by suction of the negative pressure induced air part, so that bark or light wood shavings are prevented from being rotated at the vortex position to influence the wood shavings raw material composition structure, and the consequent defects of a shaving board are avoided.
Description
Technical Field
The invention relates to the technical field of artificial board production, in particular to a paving box for producing a shaving board.
Background
In the production process of the shaving board, shavings need to be uniformly paved on a conveyer belt to form a plate blank, the plate blank is conveyed to a press machine through the conveyer belt, and then the plate blank is pressed to form the shaving board. The wood shavings are paved in a paving box, particularly, the paving box is generally provided with a feeding port, wood shavings are fed into the feeding port and spread on a forward moving conveying belt to form the plate blank, and the uniformity of the spread materials can influence the quality of the plate blank and further influence the quality of the shaving board.
The existing paving box is designed aiming at core material shavings, the shavings basically have no bark, and the composition or state of more uniform raw materials can be kept in the material scattering process, so that the quality of a slab formed by paving is better. However, when the wood shavings contain more miscellaneous wood and wood bark, the raw material composition is not uniform in the material scattering process, and even the wood bark or light wood shavings rotate at the vortex position of the air flow, which finally results in the structural defect of the shaving board and the surface mottling defect.
Therefore, there is a need to design a paving box for particle board production that can solve the above problems.
Disclosure of Invention
It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be described hereinafter.
The invention also aims to provide a paving box for producing the shaving board, which combines the throwing of the material feeding port with the negative pressure induced air part, so that the material is scattered on the paving conveying mechanism in a parabola form, and the paving is more uniform; and a blocking part is arranged between the feeding port and the negative pressure induced air part to destroy vortex generated by suction of the negative pressure induced air part, so that bark or light wood shavings are prevented from being rotated at the vortex position to influence the composition of wood shavings raw materials, and the defect of a shaving board generated therewith is avoided.
In order to solve the technical problems, the invention provides the following technical scheme:
a paving box for shaving board production comprises a box body and a paving conveying mechanism penetrating through the box body, wherein the advancing direction of the paving conveying mechanism is the paving direction; a feeding port is arranged on the box body, and the feeding direction is opposite to the paving direction; the box body is provided with a negative pressure induced air part, and the induced air direction is opposite to the paving direction; wherein, a blocking component is arranged between the feeding port and the negative pressure induced air part to destroy the vortex generated by the air draft of the negative pressure induced air part.
Among the prior art, the wood shavings raw materials spill into from throwing the stub bar and mat formation on the conveyer belt, exist the inhomogeneous condition of mat formation, and spill the material and can make the incasement air current of mat formation change, and the fluctuation of air current influences the constitution of wood shavings raw materials, and then influences the structure of mat formation, and influences the quality of shaving board. The material is thrown through the design with the opposite parabola type of direction of mating formation to the present case, combines negative pressure induced air portion to establish unanimous gas flow direction, reduces the influence of air current fluctuation to throwing the material for the wood shavings raw materials is more even.
Meanwhile, the negative pressure induced air part is easy to make vortex at the front end of air draft, so that bark or light wood shavings rotate at the vortex position, and fall on the paving conveying belt together when certain weight is accumulated, so that the bark or the light wood shavings are intermittently accumulated, the paving uniformity is influenced, and after the shaving board is formed by hot pressing, a section of white and black speck (caused by uneven material texture) is formed on the shaving board, so that the appearance of the shaving board is influenced, and the structural strength of the shaving board is influenced. Aiming at the problem, the applicant arranges a baffle part between the feeding port and the negative pressure induced air part to destroy vortex generated by air draft and straighten air flow, thereby fundamentally solving the problem of the flabby spot defect of the shaving board.
Preferably, in the paving box for producing the shaving board, the feed opening is positioned at one end, penetrating out of the paving conveying mechanism, of the box body, and the feed opening throws materials in the paving direction;
the negative pressure induced air portion is located on the box body and penetrates one end of the paving conveying mechanism, and negative pressure provided by the negative pressure induced air portion is combined with material throwing, so that the material is scattered on the paving conveying mechanism.
Among the above-mentioned technical scheme, dog-house and negative pressure induced air portion are located the box both ends respectively, and both combine to effectively improve the throwing thing stroke of wood shavings raw materials, improve the degree of consistency of mating formation.
Preferably, in the paving box for particle board production, the baffle component is arranged at the position where the vortex is generated. Generally, the vortex is generated at a position near the front end of the negative pressure induced draft part, and under the suction force of the negative pressure induced draft part, a plurality of air flows are converged and converged at the position, so that the vortex is easily generated, and bark or light wood chips are easily rotated at the position. The positions of the negative pressure induced air parts are different, and the positions of the vortex generation are also different, so that the positions of the vortex generation are observed or detected before the baffle component is arranged, and after marking, the baffle component is correspondingly arranged. Meanwhile, the shape of the drawing-away blocking part can be designed according to needs, and the vortex can be destroyed.
Preferably, in the paving box for producing the shaving board, the baffle parts are baffles or stop blocks. The baffle and the stop block are parts with simple structure, low cost and convenient assembly and disassembly, and simultaneously destroy the vortex and have good effect of straightening the airflow.
Preferably, in the paving box for producing the shaving board, the baffle is positioned above and close to the paving conveying mechanism so as to directly destroy vortexes formed on the upper surface of the paving conveying mechanism. This location is typically the eye of the vortex, and placing the baffle in this location can be done with half the effort.
Preferably, in the paving box for producing the shaving board, the baffle is perpendicular to the advancing direction of the paving conveying mechanism, and the length of the baffle is equal to or similar to the width of the paving conveying mechanism.
Preferably, in the paving box for producing the shaving board, a plurality of material refining nets are arranged in the box body along the feeding direction to uniformly disperse the thrown materials. The material refining net is in a grid shape or a latticed shape, has a space for the wood shaving raw materials to pass through, and can effectively destroy the materials which are piled into a cluster.
Preferably, in the paving box for producing the shaving board, the thrown materials are scattered on the paving conveying mechanism in a parabola shape, and the installation angle of the plurality of refining nets is changed along the parabola shape, so that the materials pass through the refining nets in a vertical or nearly vertical angle. This design can make the material pass through the refining net fast, reduces the friction touching with the refining net, and reducing wear reduces the refining net simultaneously and throws the change of thing orbit to the material.
Preferably, in the paving box for producing the shaving boards, the paving conveying mechanism is a belt conveyor.
Preferably, in order to set the baffle plate at the correct position more accurately, the two side walls of the box body in the width direction are respectively provided with a track, two ends of the baffle plate are matched with the track through a matching part, the matching part is provided with a driving wheel, a sliding rail extends along the length direction of the box body, the driving wheel can drive the baffle plate to move back and forth along the track so as to be capable of moving back and forth in the box body to adjust the position, when the driving wheel is locked, the baffle plate and the track are relatively fixed, the baffle plate is provided with a plurality of wind force sensing plates, the sensing plates can rotate relatively to the baffle plate, the position where the baffle plate is combined with the sensing plates is provided with a torsion spring, the torsion spring is not stressed in a normal state, the sensing plates and the baffle plate are relatively parallel, when the sensing plates are subjected to vortex, the sensing plates rotate relatively to the baffle plate under the action of the vortex, the torsion spring provides torsion force to drive the sensing plates to return, and meanwhile, the combining part of the sensing plates and the baffle plate is provided with a pressure sensor, the pressure sensor senses the rotation of the sensing plate, so that the strength of the vortex is reflected. When the remote control pressure sensor is used, the remote control driving wheel drives the baffle to move back and forth, data of the pressure sensor are collected and compared, and then the baffle is kept at the position with the maximum vortex strength. The influence on air current and material can be reduced to the tablet is used to the present case.
The invention at least comprises the following beneficial effects:
according to the invention, through designing the parabolic feeding in the direction opposite to the paving direction and combining the negative pressure induced draft part to construct a consistent gas flow direction, the influence of gas flow fluctuation on the feeding is reduced, and the wood shaving raw materials are more uniform.
Meanwhile, a blocking part is arranged between the feeding port and the negative pressure induced air part to destroy vortex generated by air draft and smooth air flow, so that the problem of the flakeboard mottling defect is fundamentally solved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a paving box for particle board production according to the present invention;
FIG. 2 is a schematic view of a paving box for particle board production according to the invention without the presence of the baffle members;
fig. 3 is a schematic diagram of the internal structure of the paving box-packed baffle for producing the shaving board.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a paving box for shaving board production, which comprises a box body 1 and a paving conveying mechanism 5 penetrating through the box body 1, wherein the advancing direction of the paving conveying mechanism is a paving direction 9; a feeding port 2 is arranged on the box body 1, and the feeding direction 4 is opposite to the paving direction 9; the box body 1 is provided with a negative pressure induced air part 3, and the induced air direction is opposite to the paving direction 9; wherein, a baffle component 6 is arranged between the feeding opening 2 and the negative pressure induced air part 3 to destroy the vortex generated by the air draft of the negative pressure induced air part 3.
Among the prior art, the wood shavings raw materials are thrown into and are mated formation on the conveyer belt from the dog-house, exist and mat formation inhomogeneous condition, and throw the material and can make the incasement air current that mats formation change, the undulant constitution that influences the wood shavings raw materials of air current, and then influence the structure of mating formation, and influence the quality of shaving board. The material is thrown through the design with the opposite parabola type of direction of mating formation to the present case, combines negative pressure induced air portion to establish unanimous gas flow direction, reduces the influence of air current fluctuation to throwing the material for the wood shavings raw materials is more even.
Meanwhile, as shown in fig. 2, the negative pressure induced air portion 3 is easy to make a vortex 10 at the front end of the induced air, so that materials such as barks or light wood shavings are rotated at the vortex position, and fall on the paving conveyor belt together when a certain weight is accumulated, so that the barks or the light wood shavings are intermittently stacked, the paving uniformity is affected, and after the shaving board is formed by hot pressing, a section of white and a section of black specks (caused by uneven material texture) are formed on the shaving board, so that the appearance of the shaving board is affected, and the structural strength of the shaving board is affected. Aiming at the problem, the applicant sets a baffle component 6 between a feeding port 2 and a negative pressure induced draft part 3 to destroy vortex generated by air draft, in the structure shown in figure 1, the baffle component 6 destroys the vortex to form two main air flows, one horizontal air flow 7 passes through the bottom of the baffle component 6, and the other horizontal air flow goes upwards along the baffle component 6 to form an upward air flow 8, so that the purpose of straightening the air flow is achieved, the vortex is reduced, and the problem of the flakeboard spot defect is fundamentally solved.
It should be noted that the position of vortex generation is not limited to the position shown in fig. 2, and the position of vortex generation is different due to different structures of the paving box and different air flow conditions, but as long as the position of vortex generation is observed and detected in advance, a structure for destroying vortex can be arranged at the corresponding position, so as to achieve the purpose of preventing bark or light materials from rotating in the vortex.
Further, in another embodiment, as shown in fig. 1, the feeding port 2 is located at one end of the paving conveying mechanism 5 on the box body 1, which penetrates out of the box body, and the feeding port 2 throws materials against the paving direction;
the negative pressure induced air portion 3 is located on the box body, the paving conveying mechanism 5 penetrates one end of the box body, and negative pressure provided by the negative pressure induced air portion 3 is combined with material throwing, so that the material is scattered on the paving conveying mechanism.
In this embodiment, dog-house 2 and negative pressure induced air portion 3 are located 1 both ends of box respectively, and both combine to effectively improve the throwing thing stroke of wood shavings raw materials, improve the degree of consistency of mating formation.
Further, in another embodiment, the baffle member 6 is provided at a position where the scroll 10 is generated. Generally, the vortex 10 is generated near the front end of the negative pressure induced draft part 3, and under the suction force of the negative pressure induced draft part 3, a plurality of air flows are converged and converged at the position, and the vortex is easily generated, and bark or light wood chips are easily turned at the position. The positions of the negative pressure induced air parts are different, and the positions of the vortex generated are also different, so that the positions of the vortex generated are observed or detected before the baffle component is arranged, and the baffle component 6 is correspondingly arranged after the position is marked. Meanwhile, the shape of the drawing-away blocking part can be designed according to needs, and the vortex can be destroyed.
Further, in another embodiment, the blocking member 6 is a baffle or a stopper. The baffle and the stop block are parts with simple structure, low cost and convenient assembly and disassembly, and simultaneously destroy the vortex and have good effect of straightening the airflow. In the structure shown in fig. 3, the barrier member 6 is a baffle plate, and the baffle plate is disposed inside the cabinet 1 by the mounting member 12.
Further, in another embodiment, as shown in fig. 1 and 3, the baffle is positioned as a barrier 6 above the paving conveyor 5 and adjacent to the paving conveyor 5 to directly break the vortex formed on the upper surface of the paving conveyor 5. This location is typically the eye of the scroll 10, where the baffle can be placed with great effort. The actual conditions are the standard for how much the concrete is close, and the baffle does not influence the pavement of wood shavings, and can destroy the vortex.
Further, in another embodiment, as shown in fig. 3, the baffle plate is used as the blocking component 6 and is perpendicular to the advancing direction of the paving conveying mechanism 5, and the length of the baffle plate is equal to or close to the width of the paving conveying mechanism 5.
Further, in another embodiment, as shown in fig. 1, in the box body 1, a plurality of refining nets 11 are arranged along the feeding direction 9 for uniformly dispersing the thrown material. The material refining net 11 is in a grid shape or a grid shape, has meshes for the wood shaving raw materials to pass through, and can effectively destroy the materials which are gathered and piled into a cluster.
Further, in another embodiment, as shown in fig. 1, the thrown material is scattered in a parabolic shape onto the paving conveyor 5, and the installation angle of the plurality of refining nets 11 is changed along the parabolic direction, so that the material passes through the refining nets 11 at a vertical or nearly vertical angle. This design can make the material pass through refining net 11 fast, reduces the friction touching with refining net 11, and the change of throwing the thing orbit to the material of reduction refining net simultaneously is reduced.
Further, in another embodiment, the paving conveying mechanism is a belt conveyor, and generally, side plates are disposed on two sides of the belt conveyor, and the side plates and the conveying belt form a paving space.
Further, in another embodiment, in order to set the baffle plate at the correct position more accurately, the two side walls of the box body are respectively provided with a track, two ends of the baffle plate are matched with the track through matching parts, the matching parts are provided with driving wheels, the sliding rails extend along the length direction of the box body, the driving wheels can drive the baffle plate to move back and forth along the track so as to be capable of moving back and forth in the box body to adjust the position, when the driving wheels are locked, the baffle plate and the track are relatively fixed, the baffle plate is provided with a plurality of wind force sensing plates, the sensing plates can rotate relatively to the baffle plate, the position where the baffle plate is combined with the sensing plates is provided with a torsional spring, the torsional spring is not stressed under the normal state, the sensing plates and the baffle plate are relatively parallel, when the sensing plates are subjected to vortex, the sensing plates rotate relatively to the baffle plate under the action of the vortex, the torsional spring provides torsion force to urge the sensing plates to return, and the combining parts of the sensing plates and the baffle plate are provided with pressure sensors, the pressure sensor senses the rotation of the sensing plate, so that the strength of the vortex is reflected. When the remote control pressure sensor is used, the remote control driving wheel drives the baffle to move back and forth, data of the pressure sensor are collected and compared, and then the baffle is kept at the position with the maximum vortex strength. The influence on air current and material can be reduced to the tablet is used to the present case.
One implementation of the present invention is as follows:
the wood shaving materials are thrown into from the feed opening, the paving conveying mechanism operates, the negative pressure air inducing portion conducts air suction, the wood shaving materials are scattered on the paving conveying mechanism in a parabolic mode to form wood shaving plate blanks, and then the wood shaving plate blanks are conveyed away by the paving conveying mechanism. The vortex generated in the spreading process is damaged by the blocking component.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art.
Claims (9)
1. The paving box for producing the shaving board is characterized by comprising a box body and a paving conveying mechanism penetrating through the box body, wherein the advancing direction of the paving conveying mechanism is the paving direction; a feeding port is arranged on the box body, and the feeding direction is opposite to the paving direction; the box body is provided with a negative pressure induced air part, and the induced air direction is opposite to the paving direction; wherein, a blocking component is arranged between the feeding port and the negative pressure induced air part to destroy the vortex generated by the air draft of the negative pressure induced air part.
2. A paving box for chipboard production as claimed in claim 1, characterised in that said feed opening is located at the end of the box body from which the paving conveyor extends, the feed opening throwing material against the paving direction;
the negative pressure induced air portion is located on the box body and penetrates one end of the paving conveying mechanism, and negative pressure provided by the negative pressure induced air portion is combined with material throwing, so that the material is scattered on the paving conveying mechanism.
3. A laying box for particle board production according to claim 1, wherein the baffle member is located at a position where the vortex is generated.
4. A laying box for particle board production according to claim 1, wherein the baffle means is a baffle or a stop.
5. A decking box for use in particle board production according to claim 4, wherein the baffle is located above and adjacent the decking conveyor to directly break up any vortex formed on the upper surface of the decking conveyor.
6. A laying box for chipboard production according to claim 5, characterised in that said baffle is perpendicular to the direction of advance of the laying conveyor and has a length equal to or close to the width of the laying conveyor.
7. A laying box for chipboard production as claimed in claim 1, characterised in that in the box body, there are placed, in the direction of feed, several refining nets for the uniform distribution of the thrown material.
8. A spreader box for particle board production as claimed in claim 7, wherein the thrown material falls down on the spreader conveyor in a parabolic shape, and the angle of the distribution screens is changed in the direction of the parabola so that the material passes through the distribution screens at a vertical or near vertical angle.
9. A decking box for use in particle board production according to claim 1, wherein the decking conveyor is a belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541674.2A CN113386237A (en) | 2021-05-18 | 2021-05-18 | Paving box for shaving board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541674.2A CN113386237A (en) | 2021-05-18 | 2021-05-18 | Paving box for shaving board production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113386237A true CN113386237A (en) | 2021-09-14 |
Family
ID=77618009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110541674.2A Pending CN113386237A (en) | 2021-05-18 | 2021-05-18 | Paving box for shaving board production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113386237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114425804A (en) * | 2022-01-26 | 2022-05-03 | 临沂森源木业机械有限公司 | Laying mechanism for processing decorative multilayer panel and laying method thereof |
-
2021
- 2021-05-18 CN CN202110541674.2A patent/CN113386237A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114425804A (en) * | 2022-01-26 | 2022-05-03 | 临沂森源木业机械有限公司 | Laying mechanism for processing decorative multilayer panel and laying method thereof |
| CN114425804B (en) * | 2022-01-26 | 2023-11-24 | 临沂森源木业机械有限公司 | Material spreading mechanism and material spreading method for processing decorative multilayer panel |
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