CN108340466B - Method and equipment for integrally spreading bamboo bundle fiber veneers - Google Patents
Method and equipment for integrally spreading bamboo bundle fiber veneers Download PDFInfo
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- CN108340466B CN108340466B CN201810351511.6A CN201810351511A CN108340466B CN 108340466 B CN108340466 B CN 108340466B CN 201810351511 A CN201810351511 A CN 201810351511A CN 108340466 B CN108340466 B CN 108340466B
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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
- B27N3/12—Moulding of mats from fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
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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
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a method and equipment for whole-piece formation of a bamboo bundle fiber veneer, wherein the equipment comprises a feeding section, a cloth section, a quilting section and a winding machine; the feeding section consists of a frame, a guiding driven roller, a conveying belt, a variable-frequency driving motor and a tensioning device; the frame top one end is provided with leading-in driven voller through the bearing frame installation, and the variable frequency drive motor is installed through the mount pad to the other end top, the connection of variable frequency drive motor drive end is provided with the leading-in roller of drive. The invention can realize uniform, efficient and continuous sewing on bamboo bundle fibers with higher hardness, uneven thickness and even bending, and simultaneously avoid the defects of broken lines, dropped lines, untight smashing and the like. The whole bamboo bundle fiber veneer has good integral uniformity, small gap and light transmittance and difficult blank scattering. The working procedures of drying, gum dipping, paving, hot pressing and the like in the later processing process of the bamboo bundle laminated veneer lumber and the recombined bamboo are simplified, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of material preparation, in particular to a method and equipment for integrally spreading a bamboo bundle fiber veneer.
Background
The recombined bamboo is a high-performance bamboo fiber composite material independently developed by China and has high density (1.15 g/cm) 3 The composite floor has the characteristics of high strength, good dimensional stability and the like, is widely applied to the fields of outdoor floors, construction structures and the like, and has huge market requirements and application prospects at present with increasingly prominent global energy and environmental problems.
The main production process of the recombined bamboo comprises the following steps: 1) The separation of the bamboo parenchyma cells and the recombination of the vascular bundles are realized through physical rolling and defibering; 2) High-temperature carbonization treatment is carried out, so that sugar in the bamboo bundle fiber, starch and other nutrient substances are removed, the structural stability is kept, and the color is uniform; 3) Drying treatment is carried out, so that the adhesive can be conveniently impregnated in the next step under the condition of uniform water content; 4) Impregnating the fiberized bamboo bundle unit in water-soluble low molecular weight phenolic resin (PF); 5) Drying, ageing, paving, hot pressing and other processes of the bamboo bundle fibers;
at present, the recombined bamboo product faces two major difficulties: 1) Has high density, average density of 1.15-1.30g/cm 3 . The excessive density causes the material to have heavy weight and large internal stress, increases material processing and energy consumption and is not beneficial to secondary cutting processing; 2) The stress is uneven, the product performance is large in variability, and the designability is not provided. Because the bamboo bundle fiber assembly is randomly paved by workers manually, the fibers are easy to be crossed and overlapped, and the density distribution is not uniform after hot press molding. The density uniformity difference between the recombined bamboo boards and between different parts in the same board surface is large, which causes great variability of physical and mechanical properties of the product, and the recombined bamboo boards cannot be used as structural materials for design and use.
Disclosure of Invention
In order to solve the problems, the invention provides a method and equipment for integrally spreading a bamboo bundle fiber veneer, which are used for performing different-speed forward separation and cluster dense sewing on bamboo bundle fibers to form the bamboo bundle veneer which has small in-plane gaps, good integral uniformity, difficult blank scattering and thread breakage and can be integrally spread like a wood veneer.
In order to realize the purpose, the invention adopts the technical scheme that:
a bamboo bundle fiber veneer whole-piece device comprises a feeding section, a cloth section, a quilting section and a winding machine;
the feeding section consists of a frame, a guiding driven roller, a conveying belt, a variable-frequency driving motor and a tensioning device; a guide driven roller is arranged at one end above the rack through a bearing seat, a variable frequency driving motor is arranged at the other end above the rack through a mounting seat, a driving guide roller is connected to the driving end of the variable frequency driving motor, the driving guide roller is arranged on the rack through the bearing seat, the driving guide roller is matched and connected with the guide driven roller through a conveying belt, and a tensioning device is arranged below the rack and movably connected with the conveying belt through a tensioning wheel; a belt supporting plate is arranged above the rack through a mounting frame and a bolt, and the belt supporting plate is arranged at the bottom of the conveying belt;
the cloth section consists of a rack, a conveying belt, a tensioning device, an electromagnet, a stopper pressing rod head, a lower supporting plate and a guide strip, wherein the pressing strip is arranged above the left side of the rack through a bolt and is arranged above the conveying belt, the stopper is arranged above the right side of the rack through a support frame, the electromagnet is arranged on the stopper, the stopper pressing rod head is arranged at the bottom of the stopper, the electromagnet is connected with the stopper pressing rod head through a telescopic iron core, and the lower supporting plate is arranged on the rack at the bottom of the stopper pressing rod head through a support rod in a supporting and connecting manner; a tensioning device is arranged below the rack and is movably connected with the conveying belt through a tensioning wheel;
the quilting section consists of a compact device, a multi-head quilting mechanism, a needle pitch adjusting mechanism and a quilting drive; the needle pitch adjusting mechanism comprises a quilting upper pressing belt and a quilting lower pressing belt; the quilting driving mechanism comprises a quilting upper driving mechanism and a quilting lower driving mechanism, wherein the quilting upper driving mechanism and the quilting lower driving mechanism are arranged on the frame, a middle section driving shaft is arranged on the frame through a bearing seat, the middle section driving shaft is connected with the quilting lower driving mechanism through a second belt, a quilting lower pressing belt is arranged below the second belt, a quilting seat is also arranged on the frame, and a multi-head quilting mechanism is arranged above the quilting seat; a quilting upper driven wheel and a quilting upper drive are arranged on two sides of the multi-head quilting mechanism above the frame through bearing seats, the quilting upper driven wheel and the quilting upper drive are connected through a first belt, and a quilting upper pressing belt is arranged above the first belt; the compact device is arranged at the front end of a driven wheel on the quilting seam, two groups of compact rollers are arranged inside the compact device, the compact rollers are connected through a compact belt, a compression spring is arranged on the compact belt, and a conveying belt is arranged below the compact belt; the bottom of the conveying belt is provided with a supporting plate assembly welding;
the winding machine comprises a winding drum, a winding motor, a high-level sensor, a low-level sensor, a control device and the like; the winding drum is installed on a supporting machine seat of the winding machine through a rotating shaft and a shaft seat, a control device and a winding motor are installed on the supporting machine seat through an installation plate, a driving end of the winding motor is connected with a rotating shaft driving device inside the winding drum, a high-position sensor and a low-position sensor are installed on the front side of the winding drum, and the winding motor, the high-position sensor and the low-position sensor are connected with the control device through signal lines respectively.
The invention also provides a whole-sheet method of the whole-sheet equipment for the bamboo bundle fiber veneers, which comprises the following specific process flows:
s1, selecting a working area: based on practical considerations of the test, the part of the sewing machine between the half (the half close to the adjustment button) — the "double-thread needle in the middle of the machine" and the "double-thread needle at the end of the button" is used;
s2, placing thread rollers at corresponding positions of a use area, namely a double-thread sewing position, wherein two thread rollers need to be placed, so that the operation and the effect of double-thread sewing are achieved; a thread stick is required to be placed at the single needle closest to the double-thread needle; then, every other single needle is placed with a thread stick inwards;
s3, passing the wire through a small hole beside the Cheng Xianpan to stretch downwards for a proper length; the thread does not pass through the needle hole,
s4, cleaning the remaining wires of the hooks at the lower part of the equipment;
s5, placing the bamboo bundles on a feeding table, wherein two ends of the bamboo bundles in the length direction are flush with double-needle positions at two ends; the bamboo bundles are paved neatly along the thickness direction, if a large gap is formed, the gap needs to be manually and timely supplemented, and the rear Fang Zhushu can be properly arranged below the front bamboo bundle;
s6, after a certain amount of bamboo beams are placed, checking a feed roller, needles on the upper part, hooks on the lower part and the like, and preparing to start up for feeding. And grading and flattening the bamboo bundles according to the thickness of the bamboo bundles, wherein the bamboo bundles with the thickness of 7-9mm are taken as one grade, and the rest bamboo bundles with the thickness of Bao Zhushu (5-7 mm) are taken as the other grade;
s7, sewing and feeding: starting the equipment, enabling the feeding conveyor belt to work, feeding until the needle head pricks into the bamboo bundle for the first time, pausing the equipment, stopping the needle at the highest point, and closing the equipment;
s8, sewing and threading: the thread passes through the needle hole from right to left, the discharge roller is exposed by 30-50cm, and whether the threading is correct, whether the thread is tensioned and the like are checked; the needle head which is not pricked into the bamboo bundle is not threaded;
s9, continuously arranging the bamboo bundles in the previous mode until the bamboo bundles are arranged on the outermost rod of the feeding roller;
s10, sewing: starting the equipment to enable the feeding conveyor belt to work, wherein the rotating speed is low at the beginning, and the rotating speed can be properly accelerated at the later stage; and whether the roller at the discharging end discharges materials smoothly is noticed;
s11, the winding machine mechanism automatically winds the whole bamboo bundle single plates, and the bamboo bundle single plates are stacked in order and sent into a drying kiln to be dried until the water content is more than 12%.
Further, when the low-position sensor senses that the winding drum rotates, the winding motor drives the winding drum to rotate, and winding action is generated; when the high-level sensor senses, the winding motor stops winding.
The invention has the following beneficial effects:
1) The bamboo bundle fibers which are possibly overlapped are separated by advancing at the cloth section speed which is higher than the different speed of the feeding section, the bamboo bundle fibers can be divided into groups with certain length and intervals by adopting a stopper, and the bamboo bundle fibers which are possibly bent are compressed to enter the quilting section in a group form, so that the working efficiency and the quality are improved;
2) The linear speed of a belt of a compacting mechanism on the quilting segment is adjusted, so that a certain speed difference (the speed of the compacting belt is greater than that of a cloth conveying belt) is generated between the compacting belt and the cloth conveying belt, the compacting belt is caused to have dense belt teeth which are like a plurality of pusher dogs to automatically stir and rub bamboo bundle fiber materials, and a compacting effect is generated;
3) By utilizing the characteristics of a multi-head quilting mechanism, such as no bottom line chain stitch, light weight design and a gapless ball guide sleeve structure, synchronous sewing is realized under the rubbing and squeezing compact action, the sewing gap is reduced to the maximum extent, and the uniformity of the bamboo bundle veneer is improved.
The invention facilitates the procedures of drying, gum dipping, assembly paving and hot pressing in the manufacturing process of the recombined bamboo and bamboo bundle laminated veneer lumber, greatly improves the labor productivity, saves the cost, and can enhance the density uniformity and the interface performance of the board at the same time, thereby forming the bamboo bundle fiber composite laminated material with light weight, high strength and strong designability; the bamboo bundle fiber sewing machine can realize uniform, efficient and continuous sewing on bamboo bundle fibers with high hardness, uneven thickness and even bending, and simultaneously avoid the defects of thread breakage, thread drop, untight smashing and the like. The whole bamboo bundle fiber veneer has good integral uniformity, small gap and light transmittance and difficult blank scattering. The whole bamboo bundle veneer conveniently simplifies the procedures of drying, gum dipping, paving, hot pressing and the like in the later processing process of the bamboo bundle veneer laminated material and the recombined bamboo, and improves the production efficiency; but also plays an important role in reducing the density, improving the uniformity and enhancing the interface performance of the bamboo bundle laminated composite board or the recombined bamboo, saves the processing cost and further improves the market competitiveness of the product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of a feed section of the present invention;
FIG. 5 is a schematic structural view of a cloth section of the present invention;
FIG. 6 isbase:Sub>A schematic view of the plane A-A of FIG. 5;
FIG. 7 is a schematic view of a quilted panel of the present invention;
FIG. 8 is a partial schematic view of FIG. 7;
FIG. 9 is an enlarged view at B in FIG. 7;
fig. 10 is a schematic structural view of the winder of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 10, an embodiment of the present invention provides a bamboo bundle fiber veneer whole-sheet device, which includes a feeding section 1, a cloth section 2, a quilting section 3 and a winder 4;
the feeding section 1 consists of a frame 11, a guiding driven roller 12, a conveying belt 14, a variable-frequency driving motor 15 and a tensioning device 16; a guide driven roller 12 is arranged at one end above the rack 11 through a bearing seat, a variable frequency driving motor 15 is arranged at the other end above the rack 11 through a mounting seat, a driving guide roller is connected to the driving end of the variable frequency driving motor 15, the driving guide roller is arranged on the rack 11 through the bearing seat, the driving guide roller is connected with the guide driven roller 12 in a matching manner through a conveying belt 14, a tensioning device 16 is arranged below the rack 11, and the tensioning device 16 is movably connected with the conveying belt 14 through a tensioning wheel; a belt supporting plate 13 is arranged above the rack 11 through a mounting frame and a bolt, and the belt supporting plate 13 is arranged at the bottom of the conveying belt 14; the untwined bamboo chips are put orderly manually or by a sorting mechanism and are transmitted to a material distribution section. The speed of the section can be adjusted by a frequency converter, and the speed is continuously adjustable between 1.5m/min and 5 m/min;
the cloth section 2 comprises a rack 11, a conveying belt 14, a tensioning device 16, an electromagnet 23, a stopper rod pressing head 24, a lower supporting plate 25 and a guide bar 27, wherein a pressing strip 21 is mounted above the left side of the rack 11 through a bolt, the pressing strip 21 is arranged above the conveying belt 14, a stopper 22 is mounted above the right side of the rack 11 through a supporting frame, the electromagnet 23 is arranged on the stopper 22, the stopper rod pressing head 24 is arranged at the bottom of the stopper 22, the electromagnet 23 is connected with the stopper rod pressing head 24 through a telescopic iron core, and the lower supporting plate 25 is supported and connected on the rack 11 at the bottom of the stopper rod pressing head 24 through a support rod; a tensioning device 16 is arranged below the frame 11, and the tensioning device 16 is movably connected with the conveying belt 14 through a tensioning wheel; the bamboo bundle fibers are restrained up and down through the pressing strips, the conveying belts, the guide strips and the like, and the bamboo bundle fibers possibly overlapped at the feeding section are separated at a speed higher than the conveying speed of the feeding section. In addition, the bamboo strands may be divided into groups of a certain length and interval using stoppers to facilitate subsequent processing. The action and the duration of the stopper can be controlled by a PLC or a time relay;
the quilted section 3 consists of a compacting device 31, a multi-head quilting mechanism 32, a needle pitch adjusting mechanism 33 and a quilting drive 34; the needle pitch adjusting mechanism 33 includes a quilting press belt 324 and a quilting press belt 323; the quilting drive 34 comprises a quilting upper drive 321 and a quilting lower drive 322, a middle section drive shaft 315 is mounted on the frame 11 through a bearing seat, the middle section drive shaft 315 is connected with the quilting lower drive 322 through a second belt 302, a quilting lower press belt 323 is arranged below the second belt 302, a quilting seat 320 is further mounted on the frame 11, and a multi-head quilting mechanism 32 is mounted above the quilting seat 320; a quilting upper driven wheel 317 and a quilting upper driving wheel 321 are arranged on two sides of the multi-head quilting mechanism 32 above the frame 11 through bearing seats, the quilting upper driven wheel 317 and the quilting upper driving wheel 321 are connected through a first belt 301, and a quilting upper pressing belt 324 is arranged above the first belt 301; the compaction device 31 is arranged at the front end of a driven wheel 317 on the quilting seam, two groups of compaction rollers are arranged inside the compaction device 31, the compaction rollers are connected through a compaction belt 312, a compression spring 311 is arranged on the compaction belt 312, and a conveying belt 14 is arranged below the compaction belt 312; the bottom of the conveying belt 14 is provided with a supporting plate assembly welding 318; the compact mechanism can closely arrange bamboo bundle fibers which cannot be closely arranged among the pieces due to bending; the pressing and conveying mechanism can keep the closely arranged bamboo bundle fibers to enter the quilting mechanism; the quilting mechanism tightly arranges and fixes the quilting cloth so as to achieve the purpose of whole piece;
the transmission speed of the material distribution section is V2; the quilting section transport speed is V3; the transmission coefficient between V2 and V3 is K (determined by the structure); the linear speed of the compact belt is V4; v4 is more than V3 by adjusting the transmission speed of the material distribution section, so that a speed difference is generated between the conveying belt and the compact belt, and the belt teeth on the compact belt are like a plurality of shifting claws to continuously shift the bamboo bundle fiber material to generate a compact effect;
speed relationship: the speed v1 of the feeding section can be adjusted by a frequency converter; the speed v2 of the conveying section can be adjusted by a frequency converter; the rotating speed n of the quilting mechanism can be adjusted by a frequency converter; the needle pitch s can be adjusted by a needle pitch adjusting mechanism;
the whole machine is adjusted to meet the following requirements:
1)v2≈1.5·v1
2)v1>n·s
the winding machine 4 comprises a winding drum 41, a winding motor 42, a high-position sensor 43, a low-position sensor 44, a control device and the like; the utility model discloses a winding drum 41, including reel 41, mounting plate, controlling means and coiling motor 42, coiling motor 42's drive end is connected with the inside pivot drive of reel 41, the installation is provided with high level sensor 43, low level sensor 44 on the front side position of reel 41, coiling motor 42, high level sensor 43 and low level sensor 44 pass through the signal line and link to each other with controlling means respectively, the support frame of winder is installed through pivot and axle bed on the support frame, supports the frame.
The invention also provides a whole-sheet method based on the whole-sheet equipment for the bamboo bundle fiber veneers, which comprises the following specific process flows of:
s1, selecting a working area: based on practical considerations of the test, the part of the sewing machine between the half (the half close to the adjustment button) — the "double-thread needle in the middle of the machine" and the "double-thread needle at the end of the button" is used;
s2, placing thread rollers at corresponding positions of a using area, namely a double-thread sewing position, wherein two thread rollers need to be placed, so that the operation and the effect of double-thread sewing are achieved; a thread stick is required to be placed at the single needle closest to the double-thread needle; then, placing a thread stick every other single needle inwards;
s3, passing the wire through a small hole beside the Cheng Xianpan to stretch downwards for a proper length; the thread does not pass through the needle hole,
s4, cleaning the remaining wires of the hooks at the lower part of the equipment;
s5, placing the bamboo bundles on a feeding table, wherein two ends of the bamboo bundles in the length direction are flush with double-needle positions at two ends; the bamboo bundles are paved neatly along the thickness direction, if a large gap is formed, the gap needs to be manually and timely supplemented, and the rear Fang Zhushu can be properly arranged below the front bamboo bundle;
s6, after a certain amount of bamboo beams are placed, checking the feeding roller, the upper needles, the lower hooks and the like, and preparing for starting up and feeding. And grading and flattening the bamboo bundles according to the thickness of the bamboo bundles, wherein the bamboo bundles with the thickness of 7-9mm are taken as one stage, and the rest bamboo bundles with the thickness of Bao Zhushu-7 mm are taken as the other stage;
s7, sewing and feeding: starting the equipment, enabling the feeding conveyor belt to work, feeding until the needle head pricks into the bamboo bundle for the first time, pausing the equipment, stopping the needle at the highest point, and closing the equipment;
s8, sewing and threading: the thread passes through the needle hole from right to left, the discharge roller is exposed by 30-50cm, and whether the threading is correct, whether the thread is tensioned and the like are checked; the needle head which is not pricked into the bamboo bundle is not threaded;
s9, continuously arranging the bamboo bundles in the previous mode until the bamboo bundles are arranged on the outermost rod of the feeding roller;
s10, sewing: starting the equipment to enable the feeding conveyor belt to work, wherein the rotating speed is low at the beginning, and the rotating speed can be properly accelerated at the later stage; and whether the roller at the discharging end discharges materials smoothly is noticed;
s11, a winding machine mechanism automatically winds the whole bamboo bundle single plates, and the bamboo bundle single plates are stacked in order and sent into a drying kiln to be dried until the moisture content is over 12 percent.
When the low sensor 44 senses that the winding drum 41 is rotated, the winding motor 42 drives the winding drum to rotate to generate a winding action; when the high sensor 43 senses, the winding motor 42 stops winding.
The whole-sheet process comprises the following steps: the bamboo bundle fiber units are flatly placed on a platform of the feeding section, and a certain gap is kept between every two adjacent units. The bamboo bundle fiber advances to the material distribution section, and the partially overlapped bamboo bundles can be separated because the advancing speed of the material distribution section is higher than that of the material feeding section. The cloth section is pressed by pressing strips, conveying belts, guide strips and the like to form upper and lower restraint on the bamboo bundle fibers. The bamboo bundle unit continues to advance to touch the stopper in front, and the bamboo bundles are divided into groups with certain length and intervals to stop so as to facilitate subsequent treatment. The spaced groups of bamboo strands are compacted and proceed to the vicinity of the densification mechanism of the quilted panel. Because the linear speed of the belt of the compact mechanism is greater than that of the cloth conveying belt, the compact belt is provided with dense teeth which automatically poke and rub the bamboo bundle fiber material like a plurality of poking claws, and a compact poking effect is generated; the multi-head quilting mechanism synchronously sews the bamboo bundle fiber while compacting. Bamboo bundle fibre both sides set up to double-thread sewing reinforcing strength, and interval and distance bamboo bundle limit portion distance between the double-thread are respectively: 2-6cm and 15-30cm. 3-5 double-thread sewing is arranged in the bamboo bundle fiber veneer with the length of 2.1 meters, and the sewing interval distance is respectively as follows: 30cm-50cm, and the needle pitch is set to be 1-5cm. The bamboo bundle fiber is transversely sewn into a whole bamboo bundle veneer, and then is automatically collected into a coil by a winding machine.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A method for integrally spreading bamboo bundle fiber veneers is characterized by comprising the following steps: the bamboo bundle fiber veneer whole-sheet forming method adopts bamboo bundle fiber veneer whole-sheet forming equipment to carry out whole-sheet forming on bamboo bundle fiber veneers, and the specific process flow is as follows:
s1, selecting a working area: based on practical considerations of the test, a part of the sewing machine close to the half side of the adjusting button, between the double-thread needle at the middle of the device and the double-thread needle at the end of the button is used;
s2, placing thread rollers at corresponding positions of a using area, namely a double-thread sewing position, wherein two thread rollers need to be placed, so that the operation and the effect of double-thread sewing are achieved; a thread stick is required to be placed at the single needle closest to the double-thread needle; then, every other single needle is placed with a thread stick inwards;
s3, passing the wire through a small hole beside the Cheng Xianpan to stretch downwards for a proper length; the thread does not pass through the needle hole,
s4, cleaning the remaining wires of the hooks at the lower part of the equipment;
s5, placing the bamboo bundles on a feeding table, wherein two ends of the bamboo bundles in the length direction are flush with double-needle positions at two ends; the bamboo bundles are paved neatly along the thickness direction, if a large gap is formed, the gap needs to be manually and timely supplemented, and the rear Fang Zhushu can be properly arranged below the front bamboo bundle;
s6, after a certain amount of bamboo bundles are placed, checking a feeding roller, needles on the upper part and hooks on the lower part, preparing for starting up and feeding, and grading and arranging the bamboo bundles according to the thickness of the bamboo bundles, wherein the bamboo bundles with the thickness of 7-9mm are one stage, and the bamboo bundles with the thickness of 5-7mm are Bao Zhushu on the other stage;
s7, sewing and feeding: starting the equipment, enabling the feeding conveyor belt to work, feeding until the needle head pricks into the bamboo bundle for the first time, pausing the equipment, stopping the needle at the highest point, and closing the equipment;
s8, sewing and threading: the thread passes through the needle hole from right to left, the discharge roller is exposed by 30-50cm, and whether the threading is correct or not and whether the thread is tensioned or not are checked; the needle head which is not pricked into the bamboo bundle is not threaded;
s9, continuously arranging the bamboo bundles in the previous mode until the bamboo bundles are arranged on the outermost rod of the feeding roller;
s10, sewing: starting the equipment to enable the feeding conveyor belt to work, wherein the rotating speed is low at the beginning, and the rotating speed can be properly accelerated at the later stage; and whether the roller at the discharging end discharges materials smoothly is noticed;
s11, automatically winding the whole bamboo bundle single plates by a winding machine mechanism, stacking the bamboo bundle single plates in order, and sending the bamboo bundle single plates into a drying kiln to be dried until the water content is 12%;
the bamboo bundle fiber veneer whole-spreading equipment comprises a feeding section (1), a cloth section (2), a quilting section (3) and a winding machine (4);
the feeding section (1) is composed of a frame (11), a guiding driven roller (12), a conveying belt (14), a variable-frequency driving motor (15) and a tensioning device (16); a guiding-in driven roller (12) is arranged at one end above the rack (11) through a bearing seat, a variable frequency driving motor (15) is arranged above the other end of the rack through a mounting seat, a driving guiding-in roller is connected to the driving end of the variable frequency driving motor (15), the driving guiding-in roller is arranged on the rack (11) through the bearing seat, the driving guiding-in roller is connected with the guiding-in driven roller (12) in a matched mode through a conveying belt (14), a tensioning device (16) is arranged below the rack (11), and the tensioning device (16) is movably connected with the conveying belt (14) through a tensioning wheel; a belt supporting plate (13) is arranged above the rack (11) through a mounting frame and a bolt, and the belt supporting plate (13) is arranged at the bottom of the conveying belt (14);
the cloth section (2) consists of a rack (11), a conveying belt (14), a tensioning device (16), an electromagnet (23), a stopper pressing rod head (24), a lower supporting plate (25) and a guide strip (27), wherein a pressing strip (21) is installed above the left side of the rack (11) through a bolt, the pressing strip (21) is arranged above the conveying belt (14), a stopper (22) is installed above the right side of the rack (11) through a supporting frame, the electromagnet (23) is arranged on the stopper (22), the stopper pressing rod head (24) is arranged at the bottom of the stopper (22), the electromagnet (23) is connected with the stopper pressing rod head (24) through a telescopic iron core, and the lower supporting plate (25) is arranged on the rack (11) at the bottom of the stopper pressing rod head (24) in a supporting and connecting mode through a supporting rod; a tensioning device (16) is arranged below the machine frame (11), and the tensioning device (16) is movably connected with the conveying belt (14) through a tensioning wheel;
the quilting section (3) consists of a compact device (31), a multi-head quilting mechanism (32), a needle pitch adjusting mechanism (33) and a quilting drive (34); the needle pitch adjusting mechanism (33) comprises a quilting upper pressing belt (324) and a quilting lower pressing belt (323); the quilting drive (34) comprises a quilting upper drive (321) and a quilting lower drive (322), a middle section drive shaft (315) is installed on the frame (11) through a bearing seat, the middle section drive shaft (315) is connected with the quilting lower drive (322) through a second belt (302), a quilting lower press belt (323) is arranged below the second belt (302), a quilting seat (320) is also installed on the frame (11), and a multi-head quilting mechanism (32) is installed above the quilting seat (320); a quilting upper driven wheel (317) and a quilting upper drive (321) are arranged on two sides of the multi-head quilting mechanism (32) above the frame (11) through bearing seats, the quilting upper driven wheel (317) and the quilting upper drive (321) are connected through a first belt (301), and a quilting upper pressing belt (324) is arranged above the first belt (301); the compaction device (31) is arranged at the front end of a driven wheel (317) on the quilting seam, two groups of compaction rollers are arranged inside the compaction device (31), the compaction rollers are connected through a compaction belt (312), a compression spring (311) is arranged on the compaction belt (312), and a conveying belt (14) is arranged below the compaction belt (312); the bottom of the conveying belt (14) is provided with a supporting plate assembly welding (318);
the winding machine (4) consists of a winding drum (41), a winding motor (42), a high-position sensor (43), a low-position sensor (44) and a control device; the utility model discloses a winding drum (41) and winding machine, including reel (41), drive end, high-order sensor (43), low level sensor (44), coiling motor (42), high-order sensor (43) and low level sensor (44) pass through signal line and link to each other with controlling means respectively, and the drive end of coiling motor (42) is connected with the inside pivot drive of reel (41) on the support frame through the mounting panel, the installation is provided with high-order sensor (43), low level sensor (44) on the front side position of reel (41).
2. The method for integrally spreading the bamboo bundle fiber veneer as claimed in claim 1, wherein the method comprises the following steps: when the low-level sensor (44) senses, the winding motor (42) drives the winding drum (41) to rotate to generate winding action; when the high sensor (43) senses, the winding motor (42) stops winding.
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| CN201810351511.6A CN108340466B (en) | 2018-04-19 | 2018-04-19 | Method and equipment for integrally spreading bamboo bundle fiber veneers |
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| CN201810351511.6A CN108340466B (en) | 2018-04-19 | 2018-04-19 | Method and equipment for integrally spreading bamboo bundle fiber veneers |
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| CN108340466B true CN108340466B (en) | 2022-12-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253701B (en) * | 2019-06-22 | 2020-12-25 | 国际竹藤中心 | Bamboo bundle fiber whole-piece veneer weaving machine and veneer weaving method thereof |
| CN110091395B (en) * | 2019-06-22 | 2024-04-02 | 国际竹藤中心 | Bamboo bundle fiber whole single board braiding machine |
| CN112899877A (en) * | 2020-05-19 | 2021-06-04 | 国际竹藤中心 | Bamboo fiber felt forming machine |
| CN112877814A (en) * | 2020-06-17 | 2021-06-01 | 国际竹藤中心 | Bamboo fiber sorting machine |
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