CN111571759A - Wood board synthesis device integrating crushing, glue mixing and pressing and working method - Google Patents
Wood board synthesis device integrating crushing, glue mixing and pressing and working method Download PDFInfo
- Publication number
- CN111571759A CN111571759A CN202010360239.5A CN202010360239A CN111571759A CN 111571759 A CN111571759 A CN 111571759A CN 202010360239 A CN202010360239 A CN 202010360239A CN 111571759 A CN111571759 A CN 111571759A
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- pressing
- crushing
- plate
- glue mixing
- wood board
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Classifications
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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
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
-
- 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
- B27N1/00—Pretreatment of moulding material
-
- 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
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0227—Mixing the material with binding agent using rotating stirrers, e.g. the agent being fed through the shaft of the stirrer
-
- 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
Abstract
The invention discloses a wood board synthesis device integrating crushing, glue mixing and pressing, which comprises a rack, wherein a board crushing device and a glue mixing device are arranged on the rack, a board particle injection device is arranged between the board crushing device and the glue mixing device, a laying platform is arranged on one side of the rack and is consistent with the height of the rack, a pressing station is arranged on the laying platform, a displacement driving component for controlling the movement pair of the pressing station is arranged below the laying platform, and a board forming and pressing device is arranged on the pressing station. Structural design is reasonable, smashes timber, and the process of thoughtlessly gluing stirring and pressfitting is gone on same equipment, reduces the equipment input cost in workshop, improves machining efficiency greatly.
Description
Technical Field
The invention relates to the technical field of wood processing, in particular to a working method of wood board synthesis equipment integrating crushing, glue mixing and pressing.
Background
The solid wood particle board is formed by crushing natural wood to form particles, and then carrying out procedures of glue mixing, high pressure and the like. Solid wood particle boards overcome some of the disadvantages of natural wood and are enjoyed by more and more people because of their physical properties of being not easily deformed and being very stable. In the production process of particle board, just can obtain high-quality particle board after need process one way, wherein smash the raw materials to particle board in including the production process, bond wood particles, processes such as moulding-die and form removal, all must carry through the manual work and manual work form removal, inefficiency, waste time and energy, the equipment that different processes adopted independently lays moreover, and area is great, and the acquisition cost is high.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems and the defects in the prior art, the purpose of the rice is to provide wood board synthesis equipment integrating crushing, glue mixing and pressing and a working method. Structural design is reasonable, smashes timber, and the process of thoughtlessly gluing stirring and pressfitting is gone on same equipment, reduces the equipment input cost in workshop, improves machining efficiency greatly.
The technical scheme is as follows: in order to achieve the above purpose, the wood board synthesis equipment integrating crushing, glue mixing and pressing comprises a rack, wherein a board crushing device and a glue mixing device are arranged on the rack, a board particle injection device is arranged between the board crushing device and the glue mixing device, a laying platform is arranged on one side of the rack and is consistent with the height of the rack, a pressing station is arranged on the laying platform, a displacement driving component for controlling the movement pair of the pressing station is arranged below the laying platform, and a board forming and pressing device is arranged on the pressing station.
Further, the plate crushing device comprises a crushing bin, a feed inlet is formed in the top end of the crushing bin, a discharge outlet is formed in the bottom of the crushing bin, a crushing wheel group is arranged inside the crushing bin, a cutting blade is arranged on the crushing wheel group, and the crushing wheel group is connected with a motor outside the crushing bin; the bottom of the crushing bin is provided with a vibration filter screen which is arranged in an inclined mode. And (4) the particles filtered by the vibrating filter screen enter the next process, and the oversize particles are sent into the crushing device again for crushing processing.
Furthermore, the displacement driving assembly comprises a first motor, a first screw rod and a sliding seat, the first motor is connected with the sliding seat through the first screw rod, and the pressing station is installed on the sliding seat.
Further, the glue mixing device comprises a tank body, a stirring device and a heating wire, wherein a feed inlet is formed in the left end of the tank body, a bonding agent injection port is formed in the upper end of the tank body, and a glue particle discharge port is formed in the lower end of the tank body; the feed inlet of the jar body and the discharge gate intercommunication of smashing the storehouse, be equipped with the heater strip on the jar side wall, heater strip and external power supply intercommunication.
Furthermore, the plate forming device comprises a movable bottom plate, an upper mold frame, an ejection mechanism, a scraping device and a pressing device, wherein the upper mold frame is arranged above the movable bottom plate, the ejection mechanism is arranged below the movable bottom plate, the scraping device is arranged on one side of the upper mold frame, and the pressing device is arranged right above the upper mold frame; the pressing device comprises a support, a first air cylinder and a pressing plate; the support is arranged on the laying platform, and the pressing plate is arranged on the support through the first air cylinder; the ejection structure comprises a second air cylinder, a transverse supporting rod, a push rod and guide rods, wherein the telescopic rod of the second air cylinder is connected with the transverse supporting rod, the push rod is vertically arranged on the transverse supporting rod, and the guide rods are arranged at two ends of the push rod.
Further, the strickle device includes cylinder three, connecting rod and scraper blade, cylinder three passes through the connecting rod and is connected with the scraper blade. The cylinder tee joint is connected with the scraper blade through the connecting rod, the cylinder tee joint operates to drive the connecting rod and the scraper blade to operate, the scraper blade operates from one side of the upper die frame to the other side, and the wood board particles in the upper die frame are scraped.
Furthermore, a residual raw material collecting tank is arranged on the periphery of the upper die frame.
Furthermore, the both sides top of clamp plate is equipped with the incomplete material scraping device, and incomplete material scraping device includes fixed bolster and scraper, the scraper passes through the mount and installs the side at the clamp plate.
According to the technical scheme, the invention has the beneficial effects that: a wood board synthesis device integrating crushing, glue mixing and pressing is reasonable in structural design, the wood is crushed, the glue mixing, stirring and pressing processes are carried out on the same device, the labor input among the processes is reduced, the device input cost of a workshop is reduced, and the processing efficiency is greatly improved; and the wood is not required to be transported independently after being crushed, so that the dust splashing amount is reduced, and the cleanness and tidiness of the workshop environment are ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the plate material crushing device of the present invention;
FIG. 3 is a schematic structural diagram of a glue mixing device according to the present invention;
fig. 4 is a schematic structural diagram of a plate forming and pressing device according to the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
A wood board synthesizing device integrating crushing, glue mixing and pressing as shown in figures 1-4,
the plate particle injection device is characterized by comprising a frame 1, wherein a plate crushing device 2 and a glue mixing device 3 are arranged on the frame 1, a plate particle injection device 4 is arranged between the plate crushing device 2 and the glue mixing device 3, a laying platform 5 is arranged on one side of the frame 1 and is consistent with the height of the frame 1, a displacement driving assembly 7 for controlling a plate forming and pressing device 8 to move oppositely is arranged below the laying platform 5, and the plate forming and pressing device 8 is arranged above the laying platform 5.
The plate crushing device 2 in the embodiment comprises a crushing bin 21, wherein a feeding hole 22 is formed in the top end of the crushing bin 21, a discharging hole 25 is formed in the bottom of the crushing bin 21, a crushing wheel set 23 is arranged inside the crushing bin 21, and the crushing wheel set 23 is connected with a motor outside the crushing bin 21; the bottom of the crushing bin 21 is provided with a vibration filter screen 24, and the vibration filter screen 24 is obliquely arranged. The particle quantitative conveying device 4 comprises a conveying motor, a conveying channel and a spiral blade, wherein the spiral blade is arranged in the conveying channel, and a driving shaft of the spiral blade is connected with a driving shaft of the conveying motor.
In this embodiment, the displacement driving assembly 7 includes a first motor 71, a first lead screw 72 and a sliding seat 73, the first motor 71 is connected with the sliding seat 73 through the first lead screw 72, and the pressing station 6 is installed on the sliding seat 73.
The glue mixing device 3 in the embodiment comprises a tank body 31, a stirring device 32 and a heating wire 33, wherein the left end of the tank body 31 is provided with a feeding hole 311, the upper end of the tank body 31 is provided with a bonding agent injection hole 312, and the lower end of the tank body is provided with a glue particle discharging hole 313; the feed inlet 311 of the tank body 31 is communicated with the discharge outlet of the crushing bin 21, a heating wire 33 is arranged on the side wall of the tank body 31, and the heating wire 33 is communicated with an external power supply.
In this embodiment, the plate forming device 8 includes a movable bottom plate 81, an upper mold frame 82, an ejection mechanism 84, a leveling device 85 and a pressing device 86, the upper mold frame 82 is disposed above the movable bottom plate 81, the ejection mechanism 84 is disposed below the movable bottom plate 81, the leveling device 85 is disposed on one side of the upper mold frame 82, and the pressing device 86 is disposed right above the upper mold frame 82; the pressing device 86 comprises a bracket 861, a first air cylinder 862 and a pressure plate 863; the support 861 is arranged on the laying platform 5, and the press plate 863 is arranged on the support 861 through the first air cylinder 862; the ejection structure 84 comprises a second cylinder 841, a transverse support rod 842, a push rod 843 and guide rods 844, wherein telescopic rods of the second cylinder 841 are connected with the transverse support rod 842, the push rod 843 is vertically arranged on the transverse support rod 842, and the guide rods 844 are arranged at two ends of the push rod 843.
The strickle device 85 in this embodiment comprises a cylinder 851, a connecting rod 852 and a scraper 853, wherein the cylinder 851 is connected with the scraper 853 through the connecting rod 852.
In this embodiment, a residual raw material collecting tank 87 is provided at a peripheral position of the upper mold frame 82.
In this embodiment, a residual material scraping device 9 is arranged above two sides of the pressing plate 863, the residual material scraping device 9 includes a fixing support 91 and a scraper 92, and the scraper 92 is installed on the side surface of the pressing plate 863 through the fixing support 91.
A working method of wood board synthesis equipment integrating crushing, glue mixing and pressing is disclosed, which comprises the following specific working methods:
(1) pouring the block materials into a feed hopper 1, sending the wood materials into a crushing bin 2 from the feed hopper 1, and crushing the materials into granules by a crushing wheel set 21;
(2) the crushed particles are filtered and screened by a vibration filter screen 24, and the small particle wood falls to a discharge port of the crushing bin 21;
(3) the screened particles are sent to a plate particle injection device 4 and sent to a glue mixing device 3, and a certain amount of adhesive is injected from an adhesive injection port 312;
(4) the stirring device 32 uniformly stirs the particles and the adhesive in the tank 31;
(5) the first motor 71 operates to drive the sliding seat 73 to move, and the pressing station and the plate forming and laminating device 8 are conveyed to a position right below the gluing particle discharge hole 313 of the stirring device 32;
(6) in an upper mold frame 82 of the pressing station 6, a third cylinder control scraper 851 scrapes adhesive particles in the upper mold frame 82 from one side to the other side of the upper mold frame 82 to carry out scraping treatment;
(7) in the pressing process of the pressing plate 863, scrapers 92 at two sides of the upper mold frame 82 scrape off the residual materials stuck on the side wall of the upper mold frame 82;
(8) the residual material scraped by the scraper falls into a residual material collecting groove 87 of the upper die frame;
(9) after the gluing particles in the upper mold frame are pressed, the push rod 843 is controlled to move upwards through the second cylinder 841 of the ejection mechanism 84, the movable plate 83 is communicated with a product to be ejected out together, and the material taking action is realized.
The present invention is not intended to limit the scope of the present invention, and various equivalents thereof which are equivalent to those of ordinary skill in the art after reading the present invention are intended to fall within the scope of the present invention as defined by the appended claims.
Claims (9)
1. The utility model provides a collect crushing, mix gluey and pressfitting in plank synthesis equipment of an organic whole which characterized in that: the plate crushing device comprises a frame (1), wherein a plate crushing device (2) and a glue mixing device (3) are arranged on the frame (1), a plate particle injection device (4) is arranged between the plate crushing device (2) and the glue mixing device (3), a laying platform (5) is arranged on one side of the frame (1) and is consistent with the height of the frame (1), a pressing station (6) is arranged on the laying platform (5), a displacement driving assembly (7) for controlling the pressing station (6) to move oppositely is arranged below the laying platform (5), and a plate forming press-fit device (8) is arranged on the pressing station (6).
2. The wood board synthesizing device integrating crushing, glue mixing and pressing as claimed in claim 1, wherein: the plate crushing device (2) comprises a crushing bin (21), a feeding hole (22) is formed in the top end of the crushing bin (21), a discharging hole (25) is formed in the bottom of the crushing bin (21), a crushing wheel set (23) is arranged inside the crushing bin (21), and the crushing wheel set (23) is connected with a motor outside the crushing bin (21); the bottom of the crushing bin (21) is provided with a vibration filter screen (24), and the vibration filter screen (24) is obliquely arranged.
3. The wood board synthesizing device integrating smashing, glue mixing and pressing into a whole as claimed in claim 2, wherein: the displacement driving assembly (7) comprises a first motor (71), a first screw rod (72) and a sliding seat (73), the first motor (71) is connected with the sliding seat (73) through the first screw rod (72), and the pressing station (6) is installed on the sliding seat (73).
4. The wood board synthesizing device integrating smashing, glue mixing and pressing into a whole as claimed in claim 2, wherein: the glue mixing device (3) comprises a tank body (31), a stirring device (32) and a heating wire (33), wherein a feeding hole (311) is formed in the left end of the tank body (31), a bonding agent injection hole (312) is formed in the upper end of the tank body (31), and a glue particle discharging hole (313) is formed in the lower end of the tank body; feed inlet (311) of the jar body (31) and the discharge gate intercommunication of smashing storehouse (21), be equipped with heater strip (33) on the jar body (31) lateral wall, heater strip (33) and external power supply intercommunication.
5. The wood board synthesizing device integrating crushing, glue mixing and pressing as claimed in claim 1, wherein: the plate forming device 8 comprises a movable bottom plate (81), an upper mold frame (82), an ejection mechanism (84), a scraping device (85) and a pressing device (86), the upper mold frame (82) is arranged above the movable bottom plate (81), the ejection structure (84) is arranged below the movable plate (83), the scraping device (85) is arranged on one side of the upper mold frame (82), and the pressing device (86) is arranged right above the upper mold frame (82); the pressing device (86) comprises a support (861), a first air cylinder (862) and a pressure plate (863); the support (861) is installed on the laying platform (5), and the pressure plate (863) is installed on the support (861) through the first air cylinder (862); the ejection structure (84) comprises a second cylinder (841), a transverse supporting rod (842), a push rod (843) and guide rods (844), the telescopic rod of the second cylinder (841) is connected with the transverse supporting rod (842), the push rod (843) is vertically arranged on the transverse supporting rod (842), and the guide rods (844) are arranged at two ends of the push rod (843).
6. The wood board synthesizing device integrating crushing, glue mixing and pressing as claimed in claim 1, wherein: the strickle device (85) comprises a cylinder III (851), a connecting rod (852) and a scraper (853), wherein the cylinder III (851) is connected with the scraper (853) through the connecting rod (852).
7. The wood board synthesizing device integrating crushing, glue mixing and pressing as claimed in claim 1, wherein: and residual raw material collecting grooves (87) are arranged on the peripheral positions of the upper die frame (82).
8. The wood board synthesizing device integrating crushing, glue mixing and pressing as claimed in claim 1, wherein: the improved material scraping device is characterized in that a residual material scraping device (9) is arranged above two sides of the pressing plate (863), the residual material scraping device (9) comprises a fixed support (91) and a scraper (92), and the scraper (92) is arranged on the side face of the pressing plate (863) through the fixed support (91).
9. A working method of wood board synthesis equipment integrating smashing, glue mixing and pressing is characterized in that: the specific working method comprises the following steps:
(1) pouring the blocky materials into a feed hopper (1), sending the wood materials into a crushing bin (2) from the feed hopper (1), and crushing the materials into particles through a crushing wheel set (21);
(2) the crushed particles are filtered and screened by a vibration filter screen (24), and the small particle wood falls to a discharge port of a crushing bin (21);
(3) the particles passing through the screening are sent to a plate particle injection device (4) and sent to a glue mixing device (3), and a certain amount of adhesive is injected from an adhesive injection port (312);
(4) the stirring device (32) is used for uniformly stirring and mixing the particles and the adhesive in the tank body (31);
(5) the first motor (71) operates to drive the sliding seat (73) to move, and the pressing station and the plate forming and pressing device (8) are conveyed to a position right below a gluing particle discharge hole (313) of the stirring device (32);
(6) in an upper die frame (82) of the pressing station (6), a third cylinder controls a scraper (851) to scrape adhesive particles in the upper die frame (82) from one side to the other side of the upper die frame (82) for scraping treatment;
(6) in the pressing process of the pressing plate (863), scrapers (92) on two sides of the upper die frame (82) scrape the residual materials stained on the side wall of the upper die frame (82);
(7) the residual materials scraped by the scraper fall into a residual material collecting tank (87) of the upper die frame;
(8) after the gluing particles in the upper mold frame are pressed, the push rod (843) is controlled to move upwards through the air cylinder II (841) of the ejection mechanism (84), and the movable plate (83) is communicated with a product to be ejected together, so that the material taking action is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360239.5A CN111571759A (en) | 2020-04-30 | 2020-04-30 | Wood board synthesis device integrating crushing, glue mixing and pressing and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360239.5A CN111571759A (en) | 2020-04-30 | 2020-04-30 | Wood board synthesis device integrating crushing, glue mixing and pressing and working method |
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| CN111571759A true CN111571759A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010360239.5A Pending CN111571759A (en) | 2020-04-30 | 2020-04-30 | Wood board synthesis device integrating crushing, glue mixing and pressing and working method |
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| CN (1) | CN111571759A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207941A (en) * | 2020-10-12 | 2021-01-12 | 北华大学 | Ultra-thin density board apparatus for producing of light |
| CN112248180A (en) * | 2020-11-02 | 2021-01-22 | 新疆华丹原牧农业科技有限公司 | Processing production line of straw mixture wood-based plate |
| CN112917626A (en) * | 2021-01-28 | 2021-06-08 | 南京聚新锋新材料有限公司 | Environmental protection equipment for co-extruded wood |
| CN113459235A (en) * | 2021-06-28 | 2021-10-01 | 深圳市越众绿盛环保(集团)有限公司 | Building flitch system of processing |
| CN113650125A (en) * | 2021-07-12 | 2021-11-16 | 厦门画倾言贸易有限公司 | Comprehensive utilization system of crop straws |
| CN113815077A (en) * | 2021-08-13 | 2021-12-21 | 朱幼云 | Wooden fiberboard manufacturing machine |
| CN114102790A (en) * | 2021-12-07 | 2022-03-01 | 江苏中联路基工程有限公司 | Integrated production line of environment-friendly plant straw drain board |
| CN114633332A (en) * | 2022-04-18 | 2022-06-17 | 泗阳鑫源家具有限公司 | Extrusion forming device and production method for hollow shaving board |
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| CN207734879U (en) * | 2017-12-11 | 2018-08-17 | 济南尚润通达复合材料有限公司 | A kind of patch production glue blending device |
| CN207807996U (en) * | 2017-12-29 | 2018-09-04 | 连城县丰海竹木业有限公司 | A kind of waste wood crushes recycling and is pressed into panel assembly |
| CN109571698A (en) * | 2018-11-11 | 2019-04-05 | 四川言诺科技有限公司 | A kind of Homogenholz production equipment with crushing pressing function |
| CN110774505A (en) * | 2019-11-08 | 2020-02-11 | 宿州市众力保温节能材料股份有限公司 | Insulation board processing technology and processing equipment thereof |
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| JPS58181628A (en) * | 1982-04-16 | 1983-10-24 | Nippon Haadoboode Kogyo Kk | Molding mat and manufacture thereof |
| CN107520940A (en) * | 2017-06-29 | 2017-12-29 | 张晓宇 | A kind of tray panel manufacturing equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207941A (en) * | 2020-10-12 | 2021-01-12 | 北华大学 | Ultra-thin density board apparatus for producing of light |
| CN112248180A (en) * | 2020-11-02 | 2021-01-22 | 新疆华丹原牧农业科技有限公司 | Processing production line of straw mixture wood-based plate |
| CN112917626A (en) * | 2021-01-28 | 2021-06-08 | 南京聚新锋新材料有限公司 | Environmental protection equipment for co-extruded wood |
| CN113459235A (en) * | 2021-06-28 | 2021-10-01 | 深圳市越众绿盛环保(集团)有限公司 | Building flitch system of processing |
| CN113650125A (en) * | 2021-07-12 | 2021-11-16 | 厦门画倾言贸易有限公司 | Comprehensive utilization system of crop straws |
| CN113815077A (en) * | 2021-08-13 | 2021-12-21 | 朱幼云 | Wooden fiberboard manufacturing machine |
| CN114102790A (en) * | 2021-12-07 | 2022-03-01 | 江苏中联路基工程有限公司 | Integrated production line of environment-friendly plant straw drain board |
| CN114633332A (en) * | 2022-04-18 | 2022-06-17 | 泗阳鑫源家具有限公司 | Extrusion forming device and production method for hollow shaving board |
| CN114633332B (en) * | 2022-04-18 | 2023-02-28 | 泗阳智峰木业有限公司 | Extrusion forming device and production method for hollow shaving board |
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Application publication date: 20200825 |