CN113399279A - Plywood veneer sieving mechanism - Google Patents
Plywood veneer sieving mechanism Download PDFInfo
- Publication number
- CN113399279A CN113399279A CN202110562389.9A CN202110562389A CN113399279A CN 113399279 A CN113399279 A CN 113399279A CN 202110562389 A CN202110562389 A CN 202110562389A CN 113399279 A CN113399279 A CN 113399279A
- Authority
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- China
- Prior art keywords
- conveying device
- conveying
- veneer
- baffle
- sorting
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- Pending
Links
- 239000011120 plywood Substances 0.000 title abstract description 16
- 238000007873 sieving Methods 0.000 title description 5
- 238000012216 screening Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002023 wood Substances 0.000 description 21
- 238000005520 cutting process Methods 0.000 description 9
- 230000001502 supplementing effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
Landscapes
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention provides a veneer screening device for plywood, and relates to the field of plywood production; the automatic sorting machine comprises a forward conveying device, a reverse conveying device, a rack, a sorting baffle, a lifting platform, scanning equipment and a controller, wherein the forward conveying device is arranged above the reverse conveying device, the forward conveying device is conveyed towards the direction of the rack, the conveying direction of the reverse conveying device is opposite to that of the forward conveying device, the lifting platform is arranged at the tail end of the conveying direction of the forward conveying device, the sorting baffle is arranged between the forward conveying device and the lifting platform, the sorting baffle is rotationally connected with the rack, the sorting baffle is driven by a motor to rotate to adjust the angle, the scanning equipment is arranged above the forward conveying device and is positioned in front of the sorting baffle, and the controller is connected with the scanning equipment and the sorting baffle; the invention has the advantages of high screening speed, simple structure and convenient maintenance.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field, in particular to a veneer screening device for plywood.
[ background of the invention ]
Plywood is a three-layer or multi-layer plate material made up by using wood segments and making them be rotary-cut into single board or sliced into thin wood and using adhesive to make them be glued together, and usually using odd number of layers of single board and making the fibre directions of adjacent layers of single board be mutually perpendicular.
The plywood is one of common furniture materials, is one of three large plates of an artificial plate, and can also be used as a material for airplanes, ships, trains, automobiles, buildings, packing boxes and the like. A group of veneers are typically assembled and glued perpendicular to each other in the direction of the adjacent layers of wood grain, and the skins and inner sheets are typically symmetrically disposed on either side of the center layer or core. The glued veneer is pressed into the wood grain board blank by the criss-cross matching of the glued veneer according to the wood grain direction under the condition of heating or not heating. The number of layers is generally odd, and a few are even. The difference of physical and mechanical properties in the longitudinal and transverse directions is small. The types of plywood commonly used are plywood, plywood and the like. The plywood can improve the utilization rate of the wood and is a main way for saving the wood.
The technological process for producing the plywood by processing the logs at the present stage comprises the following steps: log → log sawing → wood section cooking → wood section peeling → veneer rotary cutting → veneer drying → veneer arrangement → gluing assembly → prepressing → hot pressing → edge cutting → light cutting → inspection and sorting → packaging and warehousing. The veneer produced by the rotary cutting method is the most widely applied veneer in the production of the plywood, namely the rotary cutting of the veneer, the thickness of the face and back plates of the veneer is about 0.6mm, and the thickness of the core plate and the long and medium plates of the veneer is about 1.8 mm. The loss of the process is the largest, firstly, a part of crushed veneers cannot be used due to the out-of-roundness of the wood sections; secondly, the end part loss is generated by firmly clamping the two ends of the wood section by the chuck of the rotary cutter; and thirdly, wood core loss. The waste materials generated by veneer rotary cutting are broken veneers and wood cores, so that the rotary cutting loss of the veneers is related to the material, the diameter and the equipment performance of wood sections, and the loss rate of the parts is 15-25%.
Therefore, after the veneer rotary cutting process, the veneer after rotary cutting needs to be screened, and the veneer screening device at the present stage mainly screens thicker veneers, has a slower screening speed, and is not suitable for screening thinner veneers.
[ summary of the invention ]
The invention aims to: to the slow problem of present stage sieving mechanism screening speed, provide a plywood veneer sieving mechanism.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a plywood veneer sieving mechanism, includes forward conveyor, reverse conveyor, frame, letter sorting baffle, lift platform, scanning apparatus, controller, forward conveyor sets up reverse conveyor top, forward conveyor court the transmission of frame place direction, reverse conveyor's transmission direction is opposite with forward conveyor's transmission direction, lift platform sets up at forward conveyor's transmission terminal department, the setting of letter sorting baffle is between forward conveyor and lift platform, the letter sorting baffle rotates with the frame to be connected, and the letter sorting baffle drives its rotation by the motor and comes angle regulation, scanning apparatus installs forward conveyor top, and be located letter sorting baffle the place ahead, the controller is connected with scanning apparatus and letter sorting baffle.
Preferably, the lifting platform sets up the multiunit along forward conveyor's direction of transmission, except that the lift platform of furthest from forward conveyor, the position conveyor is all installed to the top of every lift platform.
Preferably, the position supplementing conveying device comprises a telescopic hydraulic cylinder, a conveying frame and conveying rollers, the telescopic end of the telescopic hydraulic cylinder is downwards mounted on the rack, the tail end of the telescopic hydraulic cylinder is connected with the conveying frame, the conveying rollers are arranged on the conveying frame, and the conveying rollers are driven by a motor.
Preferably, lift platform includes lifter plate, baffle, lifter, bottom plate and guide rail, the baffle is vertical to be installed on the lifter plate, the lifter connect the lifter plate with the bottom plate, the bottom plate is installed on the guide rail, the guide rail is in frame below level setting, and stretch out from the frame below.
Preferably, a sensor is installed on the top of the baffle, and when the sensor is triggered, the controller sends out an instruction to send out the lifting platform along the guide rail and start the position supplementing conveying device.
Preferably, the elevator plate descends continuously with the accumulation of material on the elevator platform.
Preferably, an arc plate is arranged below the sorting baffle, and the arc surface of the arc plate extends to the position above the reverse conveying device from the sorting baffle.
Preferably, the conveying buffer device is a conveyor belt mechanism with the height lower than that of the forward conveying device, the conveying direction of the conveying buffer device is the same as that of the forward conveying device, and the conveying speed is lower than that of the forward conveying device.
Preferably, the controller receives data from the scanning device and controls the rotation of the sorting baffles.
Preferably, the controller receives signals of the sensor, controls the movement of the bottom plate on the guide rail and controls the operation of the position supplementing conveying device.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the sorting device is provided with the sorting baffle, the reverse conveying device is arranged below the sorting baffle, the angle of the sorting baffle is adjusted by the motor, qualified veneers can be directly conveyed to the lifting platform, unqualified veneers are blocked by the sorting baffle and fall into the reverse conveying device, the device is simple in structure, screening can be completed by one sorting baffle, and operation and maintenance are facilitated; the invention is provided with the reverse conveying device, the conveying direction of the reverse conveying device is opposite to that of the forward conveying device, unqualified wood veneers can be conveyed back to the original position along the reverse conveying device, the arrangement space is saved, and only one person can simultaneously carry out screening operation and unqualified product recycling operation; the lifting platform is arranged, the veneers are conveyed to the lifting platform to be stacked, and the lifting platform can continuously descend in the veneer stacking process, so that the veneers can be neatly and uniformly stacked on the lifting platform.
The lifting platforms are arranged in a plurality of rows, the position supplementing conveying devices are arranged above the lifting platforms, and after the lifting platforms in the front position finish wood skin collection, the position supplementing conveying devices descend to form conveying channels and convey the wood skin to the lifting platforms in the rear position, so that the wood skin collecting efficiency of the whole system can be improved, and meanwhile, more wood skins can be temporarily stored when the production task is heavy.
According to the invention, the baffle is arranged on the lifting platform, and the veneers are adhered to the baffle and stacked by taking the baffle as a reference, so that the stacked veneers are more tidy and stable; set up the sensor on the baffle, pile up the take the altitude after when the wood skin, the sensor is triggered, and lift platform shifts out along the guide rail, mends a conveyor and descends, carries out the collection of wood skin by next lift platform, and such design can not need the manual work to carry out manual collection, and has improved work efficiency.
The invention is provided with the arc-shaped plate, so that the sorted veneers can be conveyed into the reverse conveying device in a sliding manner through the arc-shaped plate, the veneers are prevented from directly falling down, and the impact on the reverse conveying device is reduced.
The conveying buffer device is arranged, and because the sorting baffle is arranged, the conveying device is not paved at the sorting baffle, the veneer can only be emptied at a higher speed when the veneer is conveyed forwards, and the conveying buffer device is arranged to avoid the veneer from rushing to the lifting platform at an excessively high speed; the height of the conveying buffer device is lower than that of the forward conveying device, so that the veneer can fall onto the conveying buffer device; its conveying speed is less than forward conveyor for let the veneer speed reduction, avoid faster speed to send to lift platform, avoid causing the impact.
[ description of the drawings ]
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic view of the lift platform of the present invention;
FIG. 4 is a schematic view of the present invention;
1-forward conveying device, 2-reverse conveying device, 3-machine frame, 4-sorting baffle, 5-lifting platform, 6-scanning equipment, 7-position supplementing conveying device, 8-arc plate, 9-conveying buffer device, 51-lifting plate, 52-baffle, 53-lifting rod, 54-bottom plate, 55-guide rail, 71-telescopic hydraulic cylinder, 72-conveying frame and 73-conveying roller.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A veneer screening device for plywood comprises a forward conveying device 1, a reverse conveying device 2, a frame 3, a sorting baffle 4, a lifting platform 5, a scanning device 6 and a controller, the forward conveying device 1 is arranged above the reverse conveying device 2, the forward conveying device 1 is conveyed towards the direction of the rack 3, the conveying direction of the reverse conveying device 2 is opposite to the conveying direction of the forward conveying device 1, the lifting platform 5 is arranged at the conveying tail end of the forward conveying device 1, the sorting baffle 4 is arranged between the forward conveying device 1 and the lifting platform 5, the sorting baffle 4 is rotationally connected with the frame 3, the sorting baffle 4 is driven by a motor to rotate to adjust the angle, the scanning device 6 is arranged above the forward conveying device 1 and positioned in front of the sorting baffle 4, and the controller is connected with the scanning device 6 and the sorting baffle 4.
The lifting platforms 5 are provided with a plurality of groups along the transmission direction of the forward conveying device 1, and except for the lifting platform 5 farthest away from the forward conveying device 1, a position supplementing conveying device 7 is installed above each lifting platform 5.
The position supplementing and conveying device 7 comprises a telescopic hydraulic cylinder 71, a conveying frame 72 and conveying rollers 73, wherein the telescopic end of the telescopic hydraulic cylinder 71 is downwards arranged on the frame 3, the tail end of the telescopic hydraulic cylinder is connected with the conveying frame 72, the conveying rollers 73 are arranged on the conveying frame 72 in an arrayed mode, and the conveying rollers 73 are driven by a motor.
The lifting platform 5 comprises a lifting plate 51, a baffle plate 52, a lifting rod 53, a bottom plate 54 and a guide rail 55, wherein the baffle plate 52 is vertically installed on the lifting plate 51, the lifting rod 53 is connected with the lifting plate 51 and the bottom plate 54, the bottom plate 54 is installed on the guide rail 55, and the guide rail 55 is horizontally arranged below the rack 3 and extends out of the lower part of the rack 3.
The sensor 56 is installed on the top of the baffle 52, and when the sensor 56 is triggered, the controller sends out an instruction to send out the lifting platform 5 along the guide rail 55 and start the position supplementing conveying device 7.
Sorting baffle 4 below is provided with arc 8, the cambered surface of arc 8 extends to reverse conveyor 2 top from sorting baffle 4 department.
The conveying buffer device 9 is a conveyor belt mechanism with the height lower than that of the forward conveying device 1, the conveying direction of the conveying buffer device 9 is the same as that of the forward conveying device 1, and the conveying speed is lower than that of the forward conveying device 1.
The scheme principle and the using method of the invention are as follows:
the forward conveying device 1 conveys veneers forwards, after scanning by the scanning device 6, the controller judges whether the veneers are qualified or not, qualified products are directly conveyed to the lifting platform 5 through the conveying buffer device 9, if the veneers are judged to be defective after scanning, the controller sends an instruction to the sorting baffle 4, the sorting baffle 4 rotates to shield a front channel, unqualified veneers collide against the sorting baffle 4 and slide to the reverse conveying device 2 through the arc-shaped plate 8, and the unqualified products are conveyed away by the reverse conveying device 2; the veneers are conveyed to the lifting platform 5, due to the arrangement of the baffle plates 52, the veneers are stacked next to the baffle plates 52, in the process that the veneers are stacked continuously, the lifting plates 51 can descend continuously along with the stacking of the veneers, when the veneers are stacked to the sensor 56, the sensor 56 is triggered, the controller controls the bottom plate 54 to move out along the guide rail 55, and the filling conveying device 7 is descended, so that the veneers can be conveyed to the next lifting platform 5; the invention is provided with a conveying buffer device 9, the height and the conveying speed of the conveying buffer device are lower than those of the forward conveying device 1, and the veneer falls onto the conveying buffer device 9 after coming out of the forward conveying device 1, is decelerated and then is conveyed to the lifting platform 5.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (7)
1. A veneer screening device comprises a forward conveying device (1), a reverse conveying device (2), a rack (3), a sorting baffle (4), a lifting platform (5), a scanning device (6) and a controller, wherein the forward conveying device (1) is arranged above the reverse conveying device (2), the forward conveying device (1) transmits towards the direction of the rack (3), the transmission direction of the reverse conveying device (2) is opposite to that of the forward conveying device (1), the lifting platform (5) is arranged at the tail end of the transmission of the forward conveying device (1), the sorting baffle (4) is arranged between the forward conveying device (1) and the lifting platform (5), the sorting baffle (4) is rotationally connected with the rack (3), and the sorting baffle (4) is driven by a motor to rotate to adjust the angle, the scanning equipment (6) is arranged above the forward conveying device (1) and positioned in front of the sorting baffle (4), and the controller is connected with the scanning equipment (6) and the sorting baffle (4).
2. A veneer screening apparatus according to claim 1, wherein said lifting platforms (5) are arranged in groups along the conveying direction of the forward conveying means (1), and a position-compensating conveying means (7) is installed above each lifting platform (5) except for the lifting platform (5) farthest from the forward conveying means (1).
3. The veneer screening device according to claim 2, wherein the offset conveying device (7) comprises a telescopic hydraulic cylinder (71), a conveying frame (72) and conveying rollers (73), the telescopic end of the telescopic hydraulic cylinder (71) is downwards mounted on the frame (3), the tail end of the telescopic hydraulic cylinder is connected with the conveying frame (72), the conveying rollers (73) are arranged on the conveying frame (72), and the conveying rollers (73) are driven by a motor.
4. A veneer screening apparatus according to claim 1, wherein said elevating platform (5) comprises an elevating plate (51), a baffle plate (52), an elevating rod (53), a bottom plate (54) and a guide rail (55), said baffle plate (52) is vertically installed on said elevating plate (51), said elevating rod (53) connects said elevating plate (51) and said bottom plate (54), said bottom plate (54) is installed on said guide rail (55), said guide rail (55) is horizontally disposed below the machine frame (3) and extends from below the machine frame (3).
5. A veneer screening apparatus according to claim 4, wherein a sensor (56) is mounted on top of said screen (52).
6. A veneer screening apparatus according to claim 1, characterized in that an arc (8) is arranged below the sorting screen (4), the arc of the arc (8) extending from the sorting screen (4) to above the counter conveyor (2).
7. A veneer screening apparatus according to claim 1, further comprising a feed buffer means (9), said feed buffer means (9) being a conveyor means arranged at a lower height than the forward conveying means (1), the feed buffer means (9) being arranged in the same direction as the forward conveying means (1) and being arranged at a lower speed than the forward conveying means (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562389.9A CN113399279A (en) | 2021-05-24 | 2021-05-24 | Plywood veneer sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562389.9A CN113399279A (en) | 2021-05-24 | 2021-05-24 | Plywood veneer sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113399279A true CN113399279A (en) | 2021-09-17 |
Family
ID=77679264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110562389.9A Pending CN113399279A (en) | 2021-05-24 | 2021-05-24 | Plywood veneer sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113399279A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275447A (en) * | 2021-12-28 | 2022-04-05 | 上海轩田工业设备有限公司 | Width-adjustable centering positioning line body mechanism |
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2021
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| CN114275447B (en) * | 2021-12-28 | 2024-05-24 | 上海轩田智能科技股份有限公司 | Width-adjustable centering and positioning wire body mechanism |
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Application publication date: 20210917 |
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| RJ01 | Rejection of invention patent application after publication |