CN112830674B - Offline glass fiber chopping machine and shredding method - Google Patents

Offline glass fiber chopping machine and shredding method Download PDF

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Publication number
CN112830674B
CN112830674B CN202011634027.8A CN202011634027A CN112830674B CN 112830674 B CN112830674 B CN 112830674B CN 202011634027 A CN202011634027 A CN 202011634027A CN 112830674 B CN112830674 B CN 112830674B
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China
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cutter head
shaft
rotating
plate
wheel
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CN112830674A (en
Inventor
肖奎
李庆国
李勐
孙华恺
仇振
张林浩
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Tai'an Jingxing New Material Co ltd
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Tai'an Jingxing New Material Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/10—Non-chemical treatment
    • C03B37/16—Cutting or severing
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Abstract

The patent relates to an off-line glass fiber chopping machine and a shredding method, wherein the chopping machine comprises an installation platform, and a power mechanism, a rotating mechanism, a cutter head, a pinch roller mechanism and a blanking port are arranged on the installation platform; the power mechanism drives the cutter head to rotate through a first transmission mechanism, the first transmission mechanism comprises a transmission shaft and a bearing seat, the transmission shaft is arranged in the bearing seat through a bearing, and the cutter head is detachably connected with the transmission shaft; the blanking port is positioned right below the cutter head; the guide mechanism is used for gathering the fiber yarns of the plurality of yarn cakes and guiding the gathered fiber yarns to be wound on the cutter head; the pressing wheel mechanism can extrude the fiber bundles wound on the cutter head at preset pressure, the inner layer fiber yarns wound on the cutter head are cut off, and the broken fibers fall down from the blanking port; the rotating mechanism drives the bearing seat to rotate so as to overturn the cutter head. According to the invention, the cutter head is turned over by 180 degrees through the rotating mechanism, so that the cutter head is quickly replaced, and the production efficiency is greatly improved.

Description

Offline glass fiber chopping machine and shredding method
Technical Field
The patent belongs to the technical field of glass fiber cutting, and particularly relates to an offline glass fiber chopping machine and a shredding method.
Background
In recent years, composite materials are widely applied to the fields of aviation, traffic, machinery, electronics, medical treatment, automobiles, chemical industry, wind power, buildings and the like, high-performance fibers are ideal reinforcements of advanced composite materials, development and application of aramid fibers, carbon fibers, glass fibers and basalt fibers play a great role in promoting development of the field of material science, and are favored by people, and the application range is continuously expanded. However, the development of high-performance fibers in China is relatively late, and the development mainly depends on import at present. Research and development and improvement of production equipment of the high-performance fiber, realization of low-cost large-scale production of the high-performance fiber, and great significance.
Ultra-short fibers generally refer to short fibers having a cut length of less than 20mm, and have the following properties: higher strength at break and lower elongation at break; low shrinkage in boiling water or hot air; a high degree of dispersibility in the medium; antistatic property; low melting point composite and antibacterial. The most important quality index of ultra-short fiber products is the cut length uniformity of the fiber, so that the most important point of the equipment for producing ultra-short fiber is how to continuously, stably and accurately cut the fiber to the required fiber length.
However, the cutter head of the existing glass fiber chopping machine cannot be disassembled, blade replacement needs to be carried out on equipment, blade replacement needs 2-3 hours once, the replacement is inconvenient, the disassembly and the assembly are complex, the time is long, and the production efficiency is influenced; the cutter head has small size, the linear speed at the cutter point of the cutter head is small, the production efficiency is low, the uniformity and the stability of the fiber cutting length are poor, and the product quality of the ultrashort fibers cannot meet the high-quality application requirement.
Disclosure of Invention
In view of the above analysis, the present invention is directed to an offline glass fiber chopping machine and a chopping method thereof, which are used to solve one or more of the problems of inconvenient cutter head replacement operation, time and labor consumption, low yield and poor uniformity of fiber cutting length of the conventional offline glass fiber chopping machine.
The purpose of the invention is realized by the following steps:
on one hand, the off-line glass fiber chopping machine comprises an installation platform, wherein the installation platform is provided with a power mechanism, a rotating mechanism, a cutter head, a guide mechanism, a pinch roller mechanism and a blanking port; the power mechanism drives the cutter head to rotate through a first transmission mechanism, the first transmission mechanism comprises a transmission shaft and a bearing seat, the transmission shaft is arranged in the bearing seat through a bearing, and the cutter head is detachably connected with the transmission shaft; the blanking port is positioned right below the cutter head; the guide mechanism is used for gathering the fiber yarns of the plurality of yarn cakes and guiding the gathered fiber yarns to be wound on the cutter head; the pressing wheel mechanism can extrude the fiber bundles wound on the cutter head under preset pressure, the inner layer fiber yarns wound on the cutter head are cut off, and broken fibers fall down from the blanking port; a rotating shaft of the rotating mechanism is fixedly connected with a bearing seat, and the rotating mechanism drives the bearing seat to rotate so as to overturn the cutter head.
In a preferred embodiment of the invention, the power mechanism and the rotating mechanism are fixed on the mounting platform through the bracket; the support is located one side of blanking mouth, and the lower part of support is equipped with the space of stepping down, and the space of stepping down is used for holding the blade disc.
According to a preferred embodiment of the invention, the power mechanism comprises a motor and a motor base, wherein the motor is arranged on the bracket through the motor base; the first transmission mechanism further comprises a driving belt wheel, a synchronous belt and a driven belt wheel, an output shaft of the motor is connected with the driving belt wheel, one end of the transmission shaft is detachably connected with the cutter head, the other end of the transmission shaft is fixedly connected with the driven belt wheel, and the synchronous belt is sleeved on the driving belt wheel and the driven belt wheel.
In a preferred embodiment of the present invention, the first transmission mechanism further comprises a tensioning device, the tensioning device comprises a tensioning shaft and a roller mounted on the tensioning shaft; the tensioning shaft is vertically and fixedly arranged on the support through the adjusting plate, the adjusting plate is provided with a strip hole, the length direction of the strip hole is perpendicular to the wheel center connecting line of the driving belt wheel and the driven belt wheel, and the position of the strip hole on the adjusting plate of the tensioning shaft is adjusted to enable the synchronous belt to be in a tensioning state.
In a preferred embodiment of the invention, the motor and the bearing block are located on both sides of the rotating mechanism.
In a preferred embodiment of the invention, the rotating mechanism comprises a hand wheel, a second transmission mechanism and a rotating shaft frame, the second transmission mechanism is mounted on the support through the rotating shaft frame, the hand wheel is fixedly connected with the bearing block through the second transmission mechanism, and the second transmission mechanism drives the bearing block to rotate by rotating the hand wheel.
In a preferred embodiment of the present invention, the second transmission mechanism is a worm gear transmission mechanism, and the worm gear transmission mechanism includes a worm, a worm wheel and a rotating shaft; the worm is rotationally connected to the rotating shaft frame, and the first end of the worm is detachably connected with the hand wheel; one end of the rotating shaft is fixedly connected with the center of the turbine, the other end of the rotating shaft is fixedly connected with the bearing seat, and the worm is perpendicular to the rotating shaft.
In a preferred embodiment of the invention, both ends of the worm extend out of the side wall of the bracket, and both ends of the worm are detachably provided with hand wheels.
In a preferred embodiment of the present invention, a first connecting plate is disposed on a side end surface of the rotating shaft frame, a second connecting plate is disposed on a side wall of the bearing seat, and the first connecting plate and the second connecting plate are disposed in a butt joint manner and fixedly connected by a bolt.
According to a preferred embodiment of the invention, the rotating mechanism is further provided with a limiting device, the limiting device comprises a limiting plate, the limiting plate is detachably mounted on the side wall of the bracket and extends out of the side end face of the bracket, which is provided with the abdicating space, and the part of the side end face of the limiting plate, which extends out of the bracket, is used for limiting the rotation of the bearing seat.
According to a preferred embodiment of the invention, the number of the limiting plates is two, and the limiting plates are detachably arranged on two side wall surfaces of the bracket.
According to a preferred embodiment of the invention, one end of the limiting plate is connected to the side wall of the bracket through the rotating shaft, and the other end of the limiting plate is a free end which extends out of the side end face of the bracket.
In a preferred embodiment of the invention, the cutter head comprises a tooth holder, a connecting seat and a blade; the tooth holder is of a disc structure, and rectangular tooth grooves for mounting blades are uniformly distributed on the circumference of the tooth holder; the toothholder includes first toothholder and second toothholder, and first toothholder and second toothholder are fixed at the both ends of connecting seat, and the cutting edge of blade is just on same pitch circle outwards.
In a preferred embodiment of the present invention, the first tooth holder is located above the second tooth holder, and the second tooth holder is provided with a hollow structure to allow the cut fiber filaments to fall from the hollow structure.
In a preferred embodiment of the present invention, the first toothholder is provided with a hollow structure, and the hollow structure of the first toothholder is sealed by a cover plate.
According to a preferred embodiment of the invention, the connecting base is connected with the transmission shaft of the first transmission mechanism through a conical surface, a spline and an end surface pressing plate.
In a preferred embodiment of the invention, the peripheries of the first tooth holder and the second tooth holder are respectively provided with a first gland and a second gland in a detachable way, and the first gland and the second gland are used for preventing the blade from being pulled out from the rectangular tooth socket; the cutter head also comprises a pressing ring which is made of high-elasticity polyurethane; a first pressing ring is arranged between the first tooth holder and the first gland, a second pressing ring is arranged between the second tooth holder and the second gland, and the first pressing ring and the second pressing ring are respectively arranged at two ends of the blade.
In a preferred embodiment of the invention, the tooth holder is made of alloy stainless steel and is subjected to nitriding treatment; the blade is made of alloy steel.
In a preferred embodiment of the invention, the guide mechanism comprises a guide groove fixing plate, a guide rod and a closing-in guide groove; the guide groove fixing plate is of an L-shaped structure and comprises a first vertical plate and a first transverse plate, the first transverse plate is fixed on the upper surface of the mounting platform, and the guide rod is mounted on the guide groove fixing plate; the binding off guide slot is side opening structure, including integrative roof, curb plate and the bottom plate that sets up, and the curb plate of binding off guide slot passes through vertical pivot setting on mounting platform, and the turned angle of binding off guide slot is adjustable, utilizes the nut to fix the binding off guide slot at appointed angle.
According to a preferred embodiment of the invention, a plurality of guide rod mounting holes are uniformly formed in the first transverse plate and the first vertical plate, the mounting holes are threaded holes, and the plurality of guide rods are mounted on the guide groove fixing plate in a threaded manner.
In a preferred embodiment of the present invention, the guide mechanism further comprises a fixing plate for fixing the guide groove fixing plate to the upper surface of the mounting platform; the fixed plate is of an L-shaped structure and comprises a second vertical plate and a second transverse plate, the second vertical plate is fixedly connected with the first vertical plate through bolts, and the second transverse plate is fixedly connected with the upper surface of the mounting platform.
According to a preferred embodiment of the invention, the pinch roller mechanism comprises a hydraulic cylinder, a rocker arm, a pinch roller and a hydraulic control system; the rocker arm comprises an upper arm and a lower arm which are arranged in parallel, the two ends of the upper arm and the two ends of the lower arm are respectively connected through a first shaft and a second shaft, the first shaft is rotatably connected with a piston rod of a hydraulic cylinder, a pressing wheel is installed on the second shaft, the rocker arm is rotatably connected with the installation platform through a rotating shaft, and the rotating shaft is positioned between the first shaft and the second shaft; the hydraulic cylinder is fixed on the mounting platform, and the hydraulic control system controls the hydraulic cylinder to drive the pinch roller mechanism to set pressure to approach and extrude the fiber bundle wound on the cutter head.
In a preferred embodiment of the present invention, each of the upper arm and the lower arm includes a first section and a second section, and the first section and the second section form an obtuse angle; the rotating shaft is arranged at the transition joint of the first section and the second section.
In a preferred embodiment of the invention, the pinch roller mechanism further comprises a pinch roller seat, and the pinch roller seat comprises a transverse fixing plate and a vertical fixing plate which are vertically arranged;
the horizontal fixing plate is fixed on the upper surface of the mounting platform, the hydraulic cylinder is fixed on the vertical fixing plate, and the rotating shaft is rotatably connected with the horizontal fixing plate.
According to a preferred embodiment of the invention, the pinch roller mechanism further comprises a positioning device, the positioning device abuts against the rocker arm, and the positioning device is of a telescopic structure; the vertical fixing plate is arranged at one end of the horizontal fixing plate, and the positioning device is arranged at the other end of the horizontal fixing plate.
According to a preferred embodiment of the invention, the number of the pressing wheel mechanisms is set to be a plurality, the pressing wheel mechanisms are uniformly distributed at the periphery of the blanking port, and the specific number is determined according to technological parameters.
In a preferred embodiment of the invention, the off-line glass fiber chopping machine is further provided with a safety protection device, the safety protection device comprises a protective wall and a top wall, and the bottom of the safety protection device is of an opening structure; the safety protection device is detachably arranged on the support, and the driving belt wheel, the synchronous belt and the driven belt wheel are covered inside the safety protection device.
In a preferred embodiment of the present invention, a safety shield apparatus comprises a first shield and a second shield; the first protective cover comprises a first protective wall and a first top wall, the second protective cover comprises a second protective wall and a second top wall, and the first top wall and the second top wall are connected through a hinge; the second guard shield is fixed on the support through the supporting component, the second guard shield is buckled and covered above the driving belt wheel, and the first guard shield is buckled and covered above the driven belt wheel.
In a preferred embodiment of the present invention, the first protection wall is provided with a supporting limit member, and the top end surface of the rotating shaft bracket is provided with a limit hole; one end of the supporting limiting part is fixed on the first protective wall through a bolt, the other end of the supporting limiting part is provided with a limiting rod, and the limiting rod can be inserted into the limiting hole.
In a preferred embodiment of the present invention, the supporting and limiting member includes a vertical portion and a horizontal portion, the vertical portion is fixed on the first protection wall, and the limiting rod is vertically disposed on the horizontal portion; or the transverse part is provided with a threaded hole, the limiting hole is a threaded hole, and the supporting limiting part is fixed on the rotating shaft frame through a bolt or a screw.
In another aspect, there is also provided a glass fiber chopping method utilizing the off-line glass fiber chopping machine of any of the claims, comprising the steps of:
manually bundling fibers on a plurality of groups of spinning cakes, then penetrating the fibers through a guide mechanism, and winding a plurality of circles on a cutter head;
starting a power mechanism, driving the cutter head to rotate by the power mechanism, and continuously winding fibers on the cutter head until the fiber bundles wound on the cutter head have a certain thickness;
the pressing wheel mechanism acts, the hydraulic control unit controls the hydraulic cylinder to drive the pressing wheel to be close to the cutter head and press the fiber bundle in, the inner layer of fiber filaments wound on the cutter head are cut off firstly, the outer layer of fiber filaments are wound continuously along with the continuous rotation of the cutter head, the fiber filaments cut off firstly in the inner layer are separated from gaps between adjacent blades under the combined action of the extrusion of the pressing wheel and the rotating centripetal force of the cutter head, and the fiber filaments vertically drop from the inner side gap of the cutter head to finish the shredding.
According to a preferred embodiment of the invention, when the cutter head needs to be replaced, the hand wheel is rotated to drive the second transmission mechanism to drive the bearing seat to rotate, and the cutter head is replaced after being turned over for 180 degrees;
after the cutter head is replaced, the hand wheel is rotated reversely to enable the bearing seat to rotate reversely, so that the cutter head is reset and the bearing seat is locked and fixed.
Compared with the prior art, the invention can realize at least one of the following beneficial effects:
a) According to the off-line glass fiber chopping machine provided by the invention, the cutter head is turned over by 180 degrees through the rotating mechanism, the cutter head is directly replaced, the time for replacing the cutter head only needs 10 minutes, the blade replacement can be completed on line, the operation of equipment is not influenced, the production continuity is ensured, compared with the traditional chopping machine, the cutter head cannot be disassembled, the blade replacement needs to be performed on the equipment, and the blade replacement needs 2-3 hours once, the time for replacing the cutter head is 1/18-1/12 of the time for replacing the cutter head of the traditional chopping machine, and the production efficiency is greatly improved.
b) According to the off-line glass fiber chopping machine provided by the invention, the motor of the transmission mechanism drives the cutter head to rotate through the transmission belt, the synchronous belt is in a detachable or tensioning state by adjusting the tensioning device, and the motor and the bearing seat are positioned on two sides of the rotating mechanism.
c) According to the off-line glass fiber chopping machine provided by the invention, the rotating mechanism adopts the worm gear speed reducer as the power transmission mechanism, the service life is long, the allowable input rotating speed range is very low, the speed reduction range is larger, and the working strength is greatly reduced.
d) The off-line glass fiber chopping machine provided by the invention has the advantages that the cutter head comprises the tooth holders with two disc structures, the two tooth holders are fixedly arranged at two ends of the connecting seat in parallel through bolts, a certain distance is reserved between the two tooth holders, the cutter head is simple in structure and large in diameter, the linear speed at the position of a cutting edge is large, the working length of a blade is large, the cutting capacity is high, various cutting requirements can be met, the yield can be greatly improved, the capacity is about 5 tons in 1 hour, the daily yield can reach 30-50 tons due to short replacement time of the cutter head, and the production efficiency is 6-8 times that of the conventional chopping machine; and the tooth holder is provided with rectangular tooth grooves for mounting the blades, the rectangular tooth grooves are uniformly distributed on the circumference of the tooth holder, the cutting edges of the blades face outwards and are on the same reference circle, the cutting edges of the blades are mutually parallel, the distances between the cutting edges of two adjacent blades are equal, and the cutting lengths of the blades are not different because the cutting edges of the blades are mutually parallel, so that the cutting precision is high.
e) According to the off-line glass fiber chopping machine provided by the invention, the rotating mechanism is provided with the limiting plate, so that the bearing seat can abut against the extending part of the limiting plate when the cutter head is in a working state, the limiting plate limits the bearing seat to further rotate, the cutter head is ensured to be in a horizontal state, and the cutting edges of the blades are parallel to each other, so that the cutting lengths of fiber filaments are ensured to be the same, and the cutting precision is high.
f) The off-line glass fiber chopping machine provided by the invention utilizes the guide mechanism to gather yarns of each spinning cake together, and can change the entering direction of a fiber bundle by adjusting the direction of the closing-up guide groove and the position of the guide rod in the cutting process, thereby ensuring the cutting quality of fiber yarns.
g) According to the off-line glass fiber chopping machine provided by the invention, the safety protection device is arranged into the turnover structure, the protection cover does not need to be completely disassembled, and can be disassembled by one person, so that the operation is convenient, the labor intensity is low, the cutter head can be quickly replaced, and the efficiency is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a first schematic structural view of an off-line glass fiber chopping machine of the present invention;
FIG. 2 is a second structural schematic diagram of the off-line glass fiber chopping machine of the present invention;
FIG. 3 is a third schematic structural view of an off-line glass fiber chopping machine of the present invention;
FIG. 4 is a fourth schematic structural view of the off-line glass fiber chopping machine of the present invention:
fig. 5 is a first schematic structural diagram of the power mechanism and the rotating mechanism according to the present invention;
FIG. 6 is a second schematic structural view of the power mechanism and the rotating mechanism according to the present invention;
fig. 7 is a third schematic structural view of the power mechanism and the rotating mechanism according to the present invention;
FIG. 8 is a schematic view of the cutter head of the present invention;
FIG. 9 is a first schematic structural diagram of a pinch roller mechanism according to the present invention;
FIG. 10 is a second schematic view of the pressing wheel mechanism of the present invention;
FIG. 11 is a third schematic structural view of a pinch roller mechanism of the present invention;
FIG. 12 is a first schematic structural view of a guide mechanism according to the present invention;
fig. 13 is a second structural schematic diagram of the guide mechanism of the present invention.
Reference numerals:
1. mounting a platform; 2. a support; 3. a power mechanism; 3-1-motor; 3-2, a motor base; 3-3, a driving belt wheel; 3-4, synchronous belts; 3-5, a tensioning device; 3-6, bearing seats; 3-7, a driven belt wheel; 4. a safety device; 4-1, a hinge; 4-2, a first shield; 4-3, a handle; 4-4, a second shield; 4-5, a support component; 5. a rotation mechanism; 5-1, a hand wheel; 5-2, a limiting device; 5-3, rotating a shaft bracket; 6. a cutter head; 6-1, a tooth holder; 6-2, a cover plate; 6-3, pressing a cover; 6-4, a connecting seat; 6-5, a blade; 7. a guide mechanism; 7-1, fixing plates; 7-2, a guide groove fixing plate; 7-3, a guide rod; 7-4, closing in a guide groove; 8. a pinch roller mechanism; 8-1, a pinch roller seat; 8-2, a hydraulic cylinder; 8-3, rocker arm; 8-4, a pinch roller; 8-5, and a positioning device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but 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 application.
For the purpose of facilitating understanding of the embodiments of the present application, the following description will be made in terms of specific embodiments with reference to the accompanying drawings, which are not intended to limit the embodiments of the present application.
The invention discloses an off-line glass fiber chopping machine, which comprises an installation platform 1, wherein the installation platform 1 is provided with a power mechanism 3, a rotating mechanism 5, a cutter head 6, a pressing wheel mechanism 8 and a blanking port;
the power mechanism 3 drives the cutter head 6 to rotate through a first transmission mechanism, the first transmission mechanism comprises a transmission shaft and bearing seats 3-6, the transmission shaft is arranged in the bearing seats 3-6 through a bearing, and the cutter head 6 is detachably connected with the transmission shaft;
the blanking port is positioned right below the cutter head 6, the pressing wheel mechanism 8 can approach the cutter head 6 at a set pressure to extrude the fiber bundles wound on the cutter head 6, the inner layer fiber yarns wound on the cutter head 6 are cut off, and the broken fibers fall down from the blanking port;
the rotating shaft of the rotating mechanism 5 is fixedly connected with the bearing seats 3-6, the axis of the rotating shaft of the rotating mechanism 5 is perpendicular to the axis of a transmission shaft of the first transmission mechanism, and the cutter head 6 is turned over by a certain angle through the rotating mechanism 5, so that the cutter head 6 can be quickly replaced.
In this embodiment, the power mechanism 3 and the rotating mechanism 5 are fixed on the mounting platform 1 through the support 2, the support 2 is of an integral box structure and is formed by welding steel plates, the support 2 is located on one side of the blanking port, the lower portion of the support 2 is provided with a abdicating space for accommodating the cutter head 6, the abdicating space can accommodate a part of the cutter head 6, on one hand, the interference between the cutter head 6 and the support 2 can be avoided, and on the other hand, the size of the chopping machine can be reduced. The support 2 is provided with a motor base 3-2 and a rotating shaft bracket 5-3, the motor 3-1 is arranged on the support 2 through the motor base 3-2, the rotating mechanism 5 is arranged on the support 2 through the rotating shaft bracket 5-3, and optionally, the rotating shaft bracket 5-3 is welded with the support 2, or the rotating shaft bracket 5-3 and the support 2 are integrally formed.
In the embodiment, the power mechanism 3 comprises a remote electric control cabinet, a power cable, a motor 3-1 and a motor base 3-2, the motor 3-1 is installed on the motor base 3-2, and the motor 3-1 drives the cutter head 6 to rotate through a transmission shaft of a first transmission mechanism; the bearing seats 3-6 of the first transmission mechanism are fixed on a rotating shaft extending out of the rotating mechanism 5 through bolts, the cutter head 6 is detachably connected with the transmission shaft and can be replaced quickly, the cutter head can be replaced directly by the chopping machine of the embodiment only within 10 minutes, the replacement of the blades can be operated on line, the operation of equipment is not affected, the production continuity is guaranteed, and therefore the production efficiency is greatly improved.
In a preferred embodiment of this embodiment, the output shaft of the motor 3-1 is directly connected to the transmission shaft of the first transmission mechanism, the axis of the output shaft of the motor 3-1 coincides with the axis of the transmission shaft, and the motor base 3-2 is fixedly connected to the bearing base 3-6. When the cutter head 6 needs to be replaced, the motor 3-1, the motor base 3-2, the transmission shaft, the bearing seat 3-6 and the cutter head 6 rotate for a certain angle as a whole through the rotating mechanism 5, and if the cutter head rotates for 180 degrees, the cutter head 6 can be replaced quickly.
In a preferred embodiment of this embodiment, the motor 3-1 drives the cutter head 6 to rotate via a belt. Specifically, the first transmission mechanism further comprises a driving pulley 3-3, a synchronous belt 3-4 and a driven pulley 3-7, an output shaft of the motor 3-1 is connected with the driving pulley 3-3, one end of the transmission shaft is connected with a cutter head 6, the other end of the transmission shaft is fixedly connected with the driven pulley 3-7, and the synchronous belt 3-4 is sleeved on the driving pulley 3-3 and the driven pulley 3-7.
In the technical scheme that the motor 3-1 drives the cutter head 6 to rotate through the transmission belt, the first transmission mechanism further comprises a tensioning device 3-5 used for enabling the synchronous belt to be in a tensioning state, the tensioning device 3-5 comprises a tensioning shaft and a roller arranged on the tensioning shaft, and the roller rotates around the tensioning shaft. The tensioning shaft of the tensioning device 3-5 is vertically and fixedly arranged on the support 2 through the adjusting plate, the adjusting plate is provided with a strip hole, the length direction of the strip hole is perpendicular to the wheel center connecting line of the driving belt wheel 3-3 and the driven belt wheel 3-7, the height of the roller is larger than the width of the synchronous belt 3-4, the lower end of the tensioning shaft is provided with a thread, and the tensioning shaft is fixed at a certain position of the strip hole through a nut, so that the synchronous belt is in a tensioning state by adjusting the position of the strip hole on the adjusting plate through the tensioning device 3-5.
In a preferred embodiment of the embodiment, the motor 3-1 and the bearing seat 3-6 are located on two sides of the rotating mechanism 5, and the structural arrangement can avoid the phenomenon that the weight of the chopping machine is partially concentrated to cause unstable gravity center and cause side turning accidents of the chopping machine in work, so that the working stability of the chopping machine is improved.
In this embodiment, the rotating mechanism 5 includes a handwheel 5-1, a second transmission mechanism and a rotating shaft bracket 5-3, and the second transmission mechanism is mounted on the bracket 2 through the rotating shaft bracket 5-3. The hand wheel 5-1 is fixedly connected with the bearing block 3-6 through the second transmission mechanism, the second transmission mechanism drives the bearing block 3-6 to rotate by rotating the hand wheel 5-1, and then the cutter head 6 is turned over, the cutter head 6 can be replaced conveniently and rapidly, and the starting rate of equipment is guaranteed.
In a preferred embodiment of this embodiment, the second transmission mechanism is a worm gear transmission mechanism, and the hand wheel 5-1 is fixedly connected with the bearing seat 3-6 through the worm gear transmission mechanism. Specifically, the worm and gear transmission mechanism comprises a worm, a worm gear and a rotating shaft, the worm is rotatably connected to a rotating shaft frame 5-3, the first end of the worm is detachably connected with a hand wheel 5-1, a driving thread is arranged on the worm and is matched with the thread of the worm gear, one end of the rotating shaft is fixedly connected with the center of the worm gear, the center line of the worm gear is overlapped with the center line of the rotating shaft, the other end of the rotating shaft is fixedly connected with a bearing seat 3-6, and the worm is perpendicular to the axis of the rotating shaft. When the cutter head 6 needs to be replaced, the hand wheel 5-1 is rotated to rotate the worm, the rotating power is transmitted through the worm wheel, the rotating shaft is driven to rotate, the bearing seat 3-6 is driven to rotate, and finally the cutter head 6 is turned over; after the cutter head is replaced, the hand wheel 5-1 is rotated reversely, so that the bearing seats 3-6 are rotated reversely and reset.
In a preferred embodiment of the present embodiment, the second end of the worm extends out of the side wall of the bracket 2, that is, both ends of the worm extend out of the side wall of the bracket 2, the driving thread is disposed in the middle of the worm, the second end of the worm can also be detachably mounted with a hand wheel 5-1, both ends of the worm can be detachably mounted with the hand wheel 5-1, and the rotating mechanism 5 can be operated on one side of the bracket 2 to turn the cutter head 6 over a certain angle according to the situation, so as to achieve quick replacement of the cutter head 6 in various work occasions.
In a preferred embodiment of this embodiment, the second transmission mechanism is a worm gear reducer, and the hand wheel 5-1 is fixedly connected with the bearing seat 3-6 through the worm gear reducer. When the cutter head 6 needs to be replaced, the hand wheel 5-1 is rotated, the worm gear speed reducer transmits the rotating force of the hand wheel 5-1 to the bearing seat 3-6, the cutter head 6 is controlled to turn over, and after the cutter head is replaced, the hand wheel 5-1 is rotated reversely, so that the bearing seat 3-6 is rotated reversely and reset. The worm gear speed reducer is used as a power transmission device, so that the service life is long, the allowable input rotating speed range is very low, and the speed reduction range is larger.
In another preferred embodiment of this embodiment, the turning motor is used to drive the bearing seat 3-6 to turn over instead of the handwheel 5-1, that is, the output shaft of the turning motor is connected to the worm and gear reducer, the output shaft of the worm and gear reducer is fixedly connected to the bearing seat 3-6, and the control system controls the turning motor to rotate in the forward direction and the reverse direction to complete the turning and returning and resetting of the cutter head 6.
In this embodiment, a first connecting plate is disposed on a side end face of the rotating shaft bracket 5-3, a second connecting plate is disposed on a side wall of the bearing seat 3-6, the first connecting plate is in butt joint with the second connecting plate, bolt holes are disposed in both the first connecting plate and the second connecting plate, and the first connecting plate and the second connecting plate are fixedly connected by using a limiting bolt. When the cutter head 6 needs to be replaced, the limiting bolt is dismounted, the cutter head 6 is rotated by 180 degrees by the rotating mechanism 5, the cutter head 6 is replaced quickly, the cutter head 6 is rotated and reset after replacement is completed, and the rotating shaft bracket 5-3 is fixedly connected with the bearing seat 3-6 by the limiting bolt.
In a preferred embodiment of this embodiment, the rotating mechanism 5 is further provided with a limiting device 5-2, the limiting device 5-2 includes a limiting plate, the limiting plate is mounted on a side wall surface of the bracket 2, the limiting plate is located above the abdicating space of the bracket 2, the limiting plate extends out of a side end surface of the bracket 2, and a side end surface portion of the limiting plate extending out of the bracket 2 is used for limiting the rotation of the bearing seat 3-6. When the cutter head 6 is in a working state, the bearing seats 3-6 are abutted against the extending parts of the limiting plates, the limiting plates limit the bearing seats 3-6 to further rotate, the cutter head 6 is ensured to be in a horizontal state, and the cutting edges of the blades are parallel to each other, so that the same cutting length of the fiber filaments is ensured, and the cutting precision is high.
In this embodiment, the number of limiting plates may be one or two.
When a limiting plate is arranged, the limiting plate is fixed on one side face of the support 2, and the cutter head 6 is turned over and reset from the direction of the other side face of the support 2.
When setting up two limiting plates, the limiting plate is dismantled and is set up on two lateral wall faces of support 2, and first limiting plate and second limiting plate are all dismantled through the bolt and are installed on two sides of support 2. When the cutter head 6 is in a working state, the bearing seats 3-6 are clamped by the first limiting plate and the second limiting plate, and two ends of each bearing seat 3-6 respectively abut against the two limiting plates. When the cutter head 6 needs to be replaced, the first limiting plate is detached, the cutter head 6 is turned 180 degrees from one side of the first limiting plate, the cutter head 6 is replaced, the cutter head is reversely rotated 180 degrees for resetting after replacement is completed, when the bearing blocks 3-6 abut against the second limiting plate, the reset position is reached, the first limiting plate is installed, and the bearing blocks 3-6 are clamped tightly. Through setting up two limiting plates, can prevent effectively that the blade disc from taking place the upset in the course of the work, improve the operational reliability of chopping machine.
In a preferred embodiment of this embodiment, one end of the limiting plate is connected to the sidewall of the bracket 2 through a rotating shaft, and the other end of the limiting plate is a free end, and the free end of the limiting plate extends out of the lateral end face of the bracket 2 to limit the rotation of the bearing seat 3-6. Connect the limiting plate on support 2 through rotating, can prevent that the limiting plate from losing at the dismantlement in-process, convenient operation moreover.
In this embodiment, the cutter head 6 is structured as shown in fig. 8, and the cutter head 6 includes a tooth holder 6-1, a cover plate 6-2, a gland 6-3, a connecting seat 6-4, a blade 6-5, and a pressing ring. The tooth holders 6-1 are of disc structures, the number of the tooth holders 6-1 is two, the tooth holders are respectively a first tooth holder and a second tooth holder, connecting seat mounting holes are formed in the centers of the first tooth holder and the second tooth holder, the two tooth holders 6-1 are fixed to the two ends of the connecting seat 6-4 through bolts, the first tooth holder is located above the second tooth holder, a certain distance is reserved between the first tooth holder and the second tooth holder, the working length of the blade 6-5 is large, and the cutting capacity is high. The tooth holder 6-1 is provided with a plurality of rectangular tooth grooves for mounting the blades 6-5, the rectangular tooth grooves are uniformly distributed on the circumference of the tooth holder 6-1, the blades 6-5 are arranged on the rectangular tooth grooves of the two tooth holders 6-1, the blades 6-5 are parallel to the transmission shaft, the cutting edges of the blades 6-5 face outwards and are on the same reference circle, the cutting edges of the blades are parallel to each other, the intervals between the cutting edges of the two adjacent blades are equal, the connecting holder 6-4 is positioned at the center of the cutter head 6, and the center line of the connecting holder 6-4 is coincident with the center line of the cutter head 6.
In the embodiment, a plurality of blades 6-5 are uniformly distributed on the cutter head 6 along the radial direction, the number of the blades 6-5 is increased or reduced according to the requirement of the fiber cutting length, the blades 6-5 are parallel to the transmission shaft, and the cutting edges are arranged outwards; the toothholder 6-1 is of a hollow structure, cut cellosilk is separated from the gap between adjacent blades under the combined action of the extrusion of the pressing wheel and the rotating centripetal force of the cutter head, and vertically drops from the hollow gap on the inner side of the cutter head, so that the shredding is finished. At least the second toothholder on the lower part is of a hollow structure, and if the first toothholder on the upper part is also of a hollow structure, the hollow part needs to be covered by the cover plate 6-2, so that cut filaments are prevented from being extruded from the first toothholder on the upper part, and all the cut filaments are guaranteed to smoothly fall from the blanking port.
In the embodiment, the connecting seat 6-4 is detachably connected with the transmission shaft of the first transmission mechanism, and the connecting seat 6-4 is connected with the transmission shaft through the conical surface, the spline and the end surface pressing plate, so that the cutter head can be quickly replaced, and the cutter head is convenient to disassemble and assemble.
In this embodiment, two tooth holders 6-1 are respectively provided with a pressing cover 6-3, that is, the first pressing cover and the second pressing cover are respectively arranged on the peripheries of the first tooth holder and the second tooth holder, the pressing covers 6-3 on two sides are respectively fixed on the tooth holders 6-1 through bolts, and the pressing covers 6-3 are used for limiting the blades 6-5, so that the blades 6-5 are prevented from being disengaged from the rectangular tooth grooves, and the cutting edges of the blades 6-5 can be positioned on the same circumference.
Considering that the cut length of the fiber filament needs to be kept constant, the gaps between the two adjacent blades 6-5 are equal. However, in the shredding process, if the blade is broken, a local blade gap is increased, and a large amount of defective broken filaments are generated. Based on this, in the cutter head 6 of this embodiment, the pressing rings are disposed at two ends of the blade 6-5, the blade 6-5 is pressed by the pressing rings, the pressing rings are made of high-elasticity polyurethane, the pressing rings are of a ring structure, the two pressing rings are respectively mounted at two ends of the blade 6-5, that is, the pressing rings are disposed between the blade 6-5 and the gland 6-3, the first pressing ring is mounted between the first tooth holder and the first gland, the second pressing ring is mounted between the second tooth holder and the second gland, and the mounting of the pressing rings can prevent the blade 6-5 from directly contacting with the gland 6-3, prevent the blade 6-5 from directly contacting with the gland 6-3 in a rigid manner to cause fracture, not only prolong the service life of the blade 6-5, but also ensure the shredding effect.
In a preferred embodiment of the embodiment, the tooth holder 6-1 is made of alloy stainless steel, and the contact strength of the groove bottom is improved by nitriding treatment; the blade 6-5 is made of alloy steel.
In a preferred embodiment of this embodiment, the off-line glass fiber chopping machine further includes a guiding mechanism 7, the guiding mechanism 7 is disposed on the upper surface of the mounting platform 1, the guiding mechanism 7 is configured to gather the fiber filaments of the plurality of cakes together and guide the gathered fiber filaments to wind on the cutter head 6, as shown in fig. 12 to 13, the guiding mechanism 7 includes a guide slot fixing plate 7-2, a guide rod 7-3, and a closing-up guide slot 7-4. The guide groove fixing plate 7-2 is of an L-shaped structure and comprises a first vertical plate and a first transverse plate, the first transverse plate is fixed on the upper surface of the mounting platform 1, and a plurality of guide rod 7-3 mounting holes are uniformly formed in the first transverse plate and the first vertical plate, wherein the mounting holes are threaded holes, the guide rods 7-3 are mounted on the guide groove fixing plate 7-2 through threads, or the mounting holes are through holes, threaded holes are formed in the bottoms of the guide rods 7-3, and the guide groove fixing plate 7-2 is mounted on the guide groove fixing plate through bolts and gaskets; the closing-in guide groove 7-4 is of a side opening structure and comprises a top plate, a side plate and a bottom plate which are integrally arranged, the side plate of the closing-in guide groove 7-4 is arranged on the mounting platform 1 through a vertical rotating shaft, the rotating angle of the closing-in guide groove 7-4 is adjustable, and the closing-in guide groove 7-4 is fixed at a specified angle by nuts. The number of the guide rods 7-3 is multiple, the guide rods 7-3 are horizontally and vertically arranged, illustratively, the two horizontally arranged guide rods 7-3 and the two vertically arranged guide rods 7-3 form a # -shape, the fiber wires of the plurality of wire discs pass through a through hole in the center of the # -shape, and after the closing-in guide grooves 7-4 are integrated into a whole, the fiber wires are uniformly wound on the cutter disc 6 for cutting. In the cutting process, the entering direction of the fiber bundle can be changed by adjusting the direction of the closing-in guide groove 7-4 and the position of the guide rod 7-3, so that the cutting quality of the fiber filaments is ensured.
Because the plurality of guide rod 7-3 mounting holes are uniformly formed in the first transverse plate and the first vertical plate, the positions of the guide rods 7-3 are adjustable, the included angles between the fibers of the plurality of fiber discs and the central lines of the groined through holes can be small by controlling the positions and the gaps between the guide rods 7-3, the fibers and the guide rods 7-3 are prevented from being in large angles, the resistance is reduced, the fibers are prevented from being pulled apart at the guide rods 7-3, and the fibers are convenient to guide in.
In this embodiment, the guide mechanism 7 further includes a fixing plate 7-1, and the fixing plate 7-1 is used to fix the guide slot fixing plate 7-2 on the upper surface of the mounting platform 1, so as to prevent the guide slot fixing plate 7-2 from moving. Specifically, the fixing plate 7-1 is also of an L-shaped structure and comprises a second vertical plate and a second transverse plate, the second vertical plate is fixedly connected with the first vertical plate through bolts, and the second transverse plate is fixedly connected with the upper surface of the mounting platform 1. Through the fixing plate 7-1 with the L-shaped structure, the stability of the guide groove fixing plate 7-2 can be improved, the phenomenon that the guide groove fixing plate moves in the guide wire process to influence the wire cutting effect is avoided, the guide groove fixing plate can be used for simultaneously cutting a plurality of spinning cakes, and the guide groove fixing plate plays an important role in improving the wire cutting product quantity.
In this embodiment, the pinch roller mechanism 8 is disposed on the upper surface of the mounting platform 1 and is arranged close to the blanking port, as shown in fig. 9 to 11, the pinch roller mechanism 8 includes a pinch roller seat 8-1, a hydraulic cylinder 8-2, a rocker arm 8-3, a pinch roller 8-4, and a hydraulic control system. The rocker arm 8-3 is of a broken line structure and comprises an upper arm and a lower arm which are arranged in parallel, and two ends of the upper arm and two ends of the lower arm are respectively connected through a first shaft and a second shaft; the upper arm and the lower arm have the same structure and respectively comprise a first section and a second section, and the first section and the second section form an obtuse angle; the transitional connection part of the first section and the second section of the rocker arm 8-3 is rotatably connected with the mounting platform 1 through a rotating shaft, the first shaft is rotatably connected with a piston rod of the hydraulic cylinder 8-2, and the pinch roller 8-4 is mounted on the second shaft.
In this embodiment, the pressure roller seat 8-1 includes a horizontal fixing plate and a vertical fixing plate which are vertically arranged; the transverse fixing plate is fixed on the upper surface of the mounting platform 1, the hydraulic cylinder 8-2 is fixed on the vertical fixing plate, and the rotating shaft is rotatably connected with the transverse fixing plate. The pinch roller mechanism 8 further comprises a positioning device 8-5, the vertical fixing plate is arranged at one end of the transverse fixing plate, and the positioning device 8-5 is arranged at the other end of the transverse fixing plate; the positioning device 8-5 is of a telescopic structure, if a puller bolt is adopted, the positioning device 8-5 abuts against the limiting rocker arm 8-3, the rotating angle of the rocker arm 8-3 around the rotating shaft is controlled by adjusting the telescopic length of the positioning device 8-5, the rocker arm 8-3 is matched with the hydraulic cylinder 8-2 to fix the rocker arm 8-3 at a specified angle, the rocker arm 8-3 is prevented from swinging in the cutting process, and therefore the pressing wheel 8-4 can extrude the cutter disc 6 at a set pressure.
In this embodiment, the hydraulic control system is composed of a hydraulic station, an oil pipe, and a shunt, and is used to control the working process of the hydraulic cylinder 8-2. The hydraulic cylinder 8-2 is rotationally connected with one end of the rocker arm, the hydraulic control system controls the hydraulic cylinder 8-2 to act, and when the hydraulic cylinder 8-2 acts, the rocker arm 8-3 is pushed and pulled, so that the pressing wheel 8-4 is close to the cutting surface of the cutter head 6 at a set pressure, and a fiber bundle is extruded; the hydraulic control system controls the hydraulic cylinder to retract to control the pressing wheel to be disengaged from the cutter head.
Considering that the size of the cutter head is large, the cutting efficiency of only setting 1 pressing wheel mechanism 8 is not high, therefore, in order to improve the cutting efficiency, a plurality of pressing wheel mechanisms 8 can be adopted, the plurality of pressing wheel mechanisms 8 are uniformly distributed on the periphery of the blanking port, and the specific number of the pressing wheel mechanisms 8 is determined according to the process parameters. Exemplarily, the chopping machine is provided with three pinch roller mechanisms 8, and the three pinch roller mechanisms 8 are uniformly arranged around the blanking port, so that the installation space of the installation platform 1 is fully utilized while the shredding effect is ensured.
In a preferred embodiment of this embodiment, the off-line glass fiber chopping machine is further provided with a safety device 4, and the safety device 4 is detachably mounted on the bracket 2 and is used for covering the rotating part of the power mechanism 3, so as to protect an operator when the driving pulley 3-3, the driven pulley 3-7 and the synchronous belt 3-4 rotate.
In a preferred embodiment of the present invention, the safety protection device 4 comprises a protection wall and a top wall, the bottom of the safety protection device 4 is of an open structure, the safety protection device 4 is detachably mounted on the support 2, the driving pulley 3-3, the synchronous belt 3-4 and the driven pulley 3-7 are covered inside the safety protection device 4, when the cutter head 6 needs to be replaced, the safety protection device 4 is detached, the tensioning device 3-5 is adjusted to enable the synchronous belt 3-4 to be in a detachable state, the synchronous belt 3-4 is detached from the driven pulley 3-7, the limiting device 5-2 is detached, the bearing seat 3-6 and the rotating shaft frame 5-3 are in a relatively free rotation state, the rotating mechanism 5 is used for driving the cutter head 6 to turn over 180 degrees, the cutter head 6 is rapidly replaced, the cutter head 6 is turned over 180 degrees reversely to reset, the limiting device 5-2 is used for limiting, the bearing seat 3-6 and the rotating shaft frame 5-3 are fixed by using bolts, the tensioning device 3-5 is adjusted to enable the synchronous belt 3-4 to be in a tight state, the safety protection device 4 is mounted on the support 2, the driving pulley 3-3, the synchronous belt 3-4 and the cutting machine is restarted, and the cutting machine is started.
The protection device of the existing short cutting equipment is of an integral structure, the integral protection device is large in size and heavy in weight, the protection device needs to be completely disassembled when a cutter head is replaced, the disassembly needs to be completed by at least two persons, and the operation is complex, the labor intensity is high, and the consumed time is long. In a preferred embodiment of this embodiment, as shown in FIG. 7, the safety shield 4 comprises a first shield 4-2 and a second shield 4-4, wherein the first shield 4-2 comprises a first protective wall and a first top wall, the second shield 4-4 comprises a second protective wall and a second top wall, and the first top wall and the second top wall are connected by a hinge 4-1; the second shield 4-4 is fixed on the support 2, the second shield 4-4 covers the driving belt wheel 3-3 in a buckling mode, the first shield 4-2 covers the driven belt wheel 3-7 in a buckling mode, the first shield 4-2 is connected with the second shield 4-4 through a hinge 4-1, the first shield 4-2 can turn over around the hinge 4-1 relative to the second shield 4-4, and the first shield 4-2 is fixed at the top end of the rotating shaft frame 5-3 through bolts, so that noise caused by operation of equipment is avoided. When the cutter head is replaced, the first protective cover 4-2 is lifted, the second protective cover 4-4 is not moved, the driven pulley 3-4 is exposed, the tensioning device 3-5 is adjusted to enable the synchronous belt 3-4 to be loosened and in a detachable state, the synchronous belt 3-4 is detached from the driven pulley 3-7, the cutter head is turned over by 180 degrees through the rotating mechanism, and the cutter head is replaced. Through setting up safety device 4 into flip structure, need not dismantle the protection casing is whole, and just can dismantle the protection casing alone, convenient operation, intensity of labour is little, realizes quick replacement blade disc, apparent improvement efficiency.
In this embodiment, the second shield 4-4 is fixed to the stand 2 by a support assembly 4-5, the support assembly 4-5 is made of angle steel, and the support assembly 4-5 is used to fix the second shield 4-4 to the stand 2 and support the second shield 4-4 and the first shield 4-2 to be maintained at a designated height. Specifically, one side of a second shield 4-4 is fixed on a motor base 3-1 through a first support assembly, the other side of the second shield 4-4 is fixed on a rotating shaft bracket 5-3 through a second support assembly, the support assembly can be an L-shaped structure and comprises a transverse support and a vertical support, the vertical support of the first support assembly is fixed on the side wall of the motor base 3-2, and the vertical support of the second support assembly is fixed on the side wall of the rotating shaft bracket 5-3; the lower end of the second protecting wall of the second protecting cover 4-4 is directly fixed on the cross support of the first supporting component and the second supporting component, or the lower end of the second protecting wall of the second protecting cover 4-4 is connected with the cross support of the first supporting component and the second supporting component through a connecting plate.
In order to improve the stability of the first shield 4-2 and prevent the chopping machine from deflecting in the working process, a supporting and limiting part is arranged on the first protective wall, a limiting hole is formed in the top end face of the rotating shaft frame 5-3, one end of the supporting and limiting part is fixed on the inner side of the first protective wall through a bolt, a limiting rod is arranged at the other end of the supporting and limiting part, the limiting rod can be detachably inserted into the limiting hole in the top end face of the rotating shaft frame 5-3 and used for limiting the lateral movement of the first shield 4-2 and avoiding interference with the driven pulley 3-7 and the synchronous belt 3-4, and therefore the working reliability of the chopping machine is guaranteed.
In a preferred embodiment of this embodiment, the supporting and limiting member is a bent plate-shaped structure, the bent plate-shaped structure includes a vertical portion and a horizontal portion, the vertical portion is fixed on the inner side of the first protective wall, and the limiting rod is disposed on the horizontal portion and perpendicular to the horizontal portion; or the transverse part is provided with a threaded hole, the limiting hole on the top end face of the rotating shaft frame 5-3 is a threaded hole, and the supporting limiting part is fixed on the rotating shaft frame 5-3 through a bolt or a screw. The first protective cover 4-2 is detachably mounted on the rotary shaft frame 5-3 by utilizing the supporting and limiting piece of the bent plate-shaped structure, so that the first protective cover 4-2 can be prevented from moving laterally, the working reliability of the chopping machine is ensured, and the first protective cover 4-2 can be turned over quickly when the cutter head 6 is replaced.
In order to facilitate the operation, the first protective cover 4-2 is provided with a handle 4-3, the second protective cover 4-4 can also be provided with a handle, the handle 4-3 is arranged at the outer side of the first protective wall and the outer side of the second protective wall, the first protective cover 4-2 or the second protective cover 4-4 can be conveniently installed or disassembled by operating the handle 4-3, the operation is convenient, and the disassembly, assembly and replacement efficiency of the cutter head is improved.
The off-line glass fiber chopping machine of the embodiment is utilized for shredding, and the working process is as follows:
after fibers on a plurality of groups of spinning cakes (usually 200-300 groups of spinning cakes) are manually gathered, the fibers pass through a guide mechanism 7 and are wound on a cutter head 6 for a plurality of circles for fixation;
starting the power mechanism 3, driving the cutter head 6 to rotate by the power mechanism 3, and continuously winding fibers on the cutter head 6 until the fiber bundles are sufficiently wound on the cutter head 6, wherein the fiber bundles wound on the cutter head 6 have a certain thickness; the pinch roller mechanism 8 acts to drive the pinch roller 8-4 to be close to the cutter head 6 and press the fiber bundle in, and the shredding is finished. Specifically, a hydraulic control unit of a pinch roller mechanism 8 enables a pinch roller 8-4 to be close to a cutter head 6 and to press a fiber bundle at a set pressure, the accumulated fiber bundle is pushed to a cutting edge of a blade 6-5 by the extrusion force applied by the pinch roller 8-4, the fiber bundle on the cutter head 6 is provided with a certain thickness, the cutting edge of the cutter head is at a certain distance from the outer peripheral wall of the pinch roller, an inner layer of fiber yarns wound on the cutter head 6 are firstly cut off, then the outer layer of fiber yarns are continuously wound along with the continuous rotation of the cutter head 6, the inner layer of fiber yarns are simultaneously cut off, the thickness of the fiber bundle wound on the cutter head is basically kept constant, the newly cut-off fibers are inwards extruded to the firstly cut-off fibers, the firstly cut-off fibers on the inner layer of the fiber yarns are separated from gaps between adjacent blades 6-5 under the combined action of the extrusion force of the pinch roller 6-5 and the centripetal force of the rotation of the cutter head, and the fibers vertically fall off from the inner side gaps of the cutter head, and accordingly shredding is completed.
Compared with the prior art, the off-line glass fiber chopping machine that this embodiment provided has following beneficial effect for off-line chopping machine:
(1) The cutter head is detachably connected with a transmission shaft of the transmission mechanism, the cutter head is turned 180 degrees through the rotating mechanism, the cutter head is directly replaced, the time for replacing the cutter head only needs 10 minutes, the blade replacement can be completed on line, the operation of equipment is not influenced, the production continuity is ensured, compared with the traditional cutter head, the cutter head of a cutter machine cannot be detached, the blade replacement needs to be carried out on the equipment, the blade replacement needs 2-3 hours once, the time for replacing the cutter head is 1/18-1/12 of the time for replacing the cutter head of the traditional cutter machine, and the production efficiency is greatly improved.
(2) The motor drives the cutter head to rotate through the transmission belt, the synchronous belt is in a detachable or tensioning state through adjusting the tensioning device, the motor and the bearing seat are located on two sides of the rotating mechanism, the structural arrangement can avoid the phenomenon that the weight part of the chopping machine is concentrated to cause unstable gravity center, so that the chopping machine is subjected to side turning accidents in work, and the working stability of the chopping machine is improved.
(3) The rotating mechanism adopts a worm and gear speed reducer as a power transmission mechanism, the hand wheel is fixedly connected with the bearing seat through the worm and gear speed reducer, when the cutter disc needs to be replaced, the hand wheel is rotated, the worm and gear speed reducer transmits the rotating force of the hand wheel to the bearing seat to control the cutter disc to overturn, and after the cutter disc is replaced, the hand wheel is rotated reversely to enable the bearing seat to rotate reversely and reset.
(4) The two ends of a worm of the rotating mechanism extend out of the side wall of the support, the driving threads are arranged in the middle of the worm, hand wheels can be detachably mounted at the two ends of the worm, and the rotating mechanism can be operated on one side of the support to enable the cutter to turn over for a certain angle according to the field situation, so that the cutter can be rapidly replaced in various working occasions.
(5) The rotating mechanism is provided with the limiting plate, so that the cutter head can be abutted against the extending part of the limiting plate in a working state, the limiting plate limits the bearing seat to further rotate, the cutter head is ensured to be in a horizontal state, and the cutting edges of the blades are parallel to each other, so that the same cutting length of the fiber filaments is ensured, and the cutting precision is high.
(6) The cutter head comprises two tooth seats of a disc structure, the two tooth seats are fixedly arranged at two ends of the connecting seat in parallel through bolts, a certain distance is reserved between the two tooth seats, the cutter head is simple in structure, large in diameter, large in linear speed at a cutting edge, large in working length of the blade, high in cutting capacity, capable of meeting various cutting requirements, capable of greatly improving yield, the yield is about 5 tons in 1 hour, and the daily yield is 30-50 tons due to short replacement time of the cutter head, and the production efficiency is 6-8 times that of the conventional chopping machine; the tooth holder is provided with rectangular tooth sockets for mounting the blades, the rectangular tooth sockets are uniformly distributed on the circumference of the tooth holder, the cutting edges of the blades face outwards and are on the same reference circle, the cutting edges of the blades are parallel to each other, the distances between the cutting edges of two adjacent blades are equal, the cutting lengths are not different due to the fact that the cutting edges of the blades are parallel to each other, the cutting precision is high, and cut fibers penetrate through gaps between the blades through extrusion, fall into a lower conveying belt and enter the next process; the connecting seat of blade disc is dismantled with drive mechanism's transmission shaft and is connected, and the connecting seat passes through the conical surface with the transmission shaft, spline, terminal surface clamp plate to be connected, easy dismounting, and 180 rotations can be realized to the blade disc simultaneously, can realize the quick replacement of blade disc, maintain convenient and fast.
(7) The guide mechanism is used for gathering yarns of each spinning cake together, the entering direction of the fiber bundle can be changed by adjusting the direction of the closing guide groove and the position of the guide rod in the cutting process, the cutting quality of the fiber is guaranteed, the guide mechanism is simple in structure, the adjusting operation is simple and convenient, and the equipment cost is reduced.
(8) By arranging the safety protection device, the rotating part of the power mechanism is covered, so that the protection of an operator is ensured when the driving belt wheel, the driven belt wheel and the synchronous belt rotate, and the working safety of the equipment is improved; and through setting up safety device into flip structure, need not dismantle the protection casing is whole, and just can dismantle the protection casing alone, convenient operation, intensity of labour is little, realizes the quick replacement blade disc, the improvement that is showing efficiency.
The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims (7)

1. An off-line glass fiber chopping machine is characterized by comprising an installation platform (1), wherein the installation platform (1) is provided with a power mechanism (3), a rotating mechanism (5), a cutter head (6), a guide mechanism (7), a pinch roller mechanism (8) and a blanking port;
the power mechanism (3) drives the cutter head (6) to rotate through a first transmission mechanism, the first transmission mechanism comprises a transmission shaft and bearing seats (3-6), the transmission shaft is arranged in the bearing seats (3-6) through bearings, and the cutter head (6) is detachably connected with the transmission shaft;
the blanking port is positioned right below the cutter head (6);
the guide mechanism (7) is used for converging the fiber yarns of the multiple yarn cakes and guiding the converged fiber yarns to be wound on the cutter head (6);
the pressing wheel mechanisms (8) are multiple and are uniformly distributed on the periphery of the blanking port, the pressing wheel mechanisms (8) can extrude fiber bundles wound on the cutter head (6) under preset pressure, inner-layer fiber yarns wound on the cutter head (6) are cut off, and broken fibers fall down from the blanking port;
the rotating mechanism (5) drives the bearing seats (3-6) to rotate so as to turn over the cutter head (6);
the power mechanism (3) and the rotating mechanism (5) are fixed on the mounting platform (1) through the bracket (2);
the support (2) is positioned on one side of the blanking port, and an abdicating space is arranged at the lower part of the support (2) and used for accommodating the cutter head (6);
the rotating mechanism (5) comprises a hand wheel (5-1), a second transmission mechanism and a rotating shaft bracket (5-3), the second transmission mechanism is installed on the support (2) through the rotating shaft bracket (5-3), the hand wheel (5-1) is fixedly connected with the bearing block (3-6) through the second transmission mechanism, and the second transmission mechanism drives the bearing block (3-6) to rotate by rotating the hand wheel (5-1);
the guide mechanism (7) comprises a guide groove fixing plate (7-2), a guide rod (7-3) and a closing guide groove (7-4); the guide groove fixing plate (7-2) is of an L-shaped structure and comprises a first vertical plate and a first transverse plate, the first transverse plate is fixed on the upper surface of the mounting platform (1), and the guide rod (7-3) is mounted on the guide groove fixing plate (7-2); the closing-in guide groove (7-4) is of a side opening structure and comprises a top plate, a side plate and a bottom plate which are integrally arranged, the side plate of the closing-in guide groove (7-4) is arranged on the mounting platform (1) through a vertical rotating shaft, the rotating angle of the closing-in guide groove (7-4) is adjustable, and the closing-in guide groove (7-4) is fixed at a specified angle by a nut;
the pinch roller mechanism (8) comprises a hydraulic cylinder (8-2), a rocker arm (8-3) and a pinch roller (8-4); the hydraulic cylinder (8-2) is fixed on the mounting platform (1); the rocker arm (8-3) comprises an upper arm and a lower arm which are arranged in parallel, two ends of the upper arm and the lower arm are respectively connected through a first shaft and a second shaft, the first shaft is rotatably connected with a piston rod of the hydraulic cylinder (8-2), the pressing wheel (8-4) is installed on the second shaft, the rocker arm (8-3) is rotatably connected with the installation platform (1) through a rotating shaft, and the rotating shaft is positioned between the first shaft and the second shaft; the upper arm and the lower arm both comprise a first section and a second section, the first section and the second section are obtuse angles, and the transition joint of the first section and the second section is arranged on the rotating shaft.
2. The off-line glass fiber chopping machine according to claim 1, wherein the power mechanism (3) comprises a motor (3-1) and a motor base (3-2), and the motor (3-1) is mounted on the bracket (2) through the motor base (3-2);
the first transmission mechanism further comprises a driving belt wheel (3-3), a synchronous belt (3-4) and a driven belt wheel (3-7), an output shaft of the motor (3-1) is connected with the driving belt wheel (3-3), one end of the transmission shaft is detachably connected with a cutter head (6), the other end of the transmission shaft is fixedly connected with the driven belt wheel (3-7), and the synchronous belt (3-4) is sleeved on the driving belt wheel (3-3) and the driven belt wheel (3-7).
3. The off-line glass fiber chopping machine of claim 2, wherein the first transmission mechanism further comprises a tensioning device (3-5), the tensioning device (3-5) comprising a tensioning shaft and a roller mounted on the tensioning shaft;
the tensioning shaft is vertically and fixedly mounted on the support (2) through the adjusting plate, the adjusting plate is provided with a strip hole, the length direction of the strip hole is perpendicular to a wheel center connecting line of the driving belt wheel (3-3) and the driven belt wheel (3-7), and the position of the strip hole on the adjusting plate of the tensioning shaft is adjusted to enable the synchronous belt to be in a tensioning state.
4. The off-line glass fiber chopping machine of claim 1, wherein the cutterhead (6) comprises a toothholder (6-1), a connecting seat (6-4) and a blade (6-5);
the tooth holder (6-1) is of a disc structure, and rectangular tooth grooves for mounting the blades (6-5) are uniformly distributed on the circumference of the tooth holder (6-1);
the tooth holder (6-1) comprises a first tooth holder and a second tooth holder, the first tooth holder and the second tooth holder are fixed at two ends of the connecting seat (6-4), and the cutting edges of the blades (6-5) face outwards and are on the same graduated circle.
5. The off-line glass fiber chopping machine according to any one of claims 1 to 4, characterized in that the pinch roller mechanism (8) further comprises a hydraulic control system which controls a hydraulic cylinder (8-2) to drive the pinch roller mechanism (8) to approach and squeeze the fiber bundle wound on the cutterhead (6) with a set pressure.
6. A glass fiber chopping method using the off-line glass fiber chopping machine of any one of claims 1 to 5, comprising the steps of:
manually bundling the fibers on the multiple groups of spinning cakes, then penetrating the fibers through a guide mechanism (7), and winding the fibers on a cutter head (6) for multiple circles;
starting the power mechanism (3), driving the cutter head (6) to rotate by the power mechanism (3), and continuously winding fibers on the cutter head (6) until the fiber bundle wound on the cutter head (6) has a certain thickness;
the pressing wheel mechanism (8) acts, the hydraulic control unit controls the hydraulic cylinder (8-2) to drive the pressing wheel (8-4) to be close to the cutter head (6) and press the fiber bundle in, the inner layer fiber yarn wound on the cutter head (6) is cut off firstly, the outer layer fiber yarn is wound continuously along with the continuous rotation of the cutter head (6), the inner layer fiber yarn cut off firstly is separated from the gap between the adjacent blades (6-5) under the combined action of the extrusion of the pressing wheel (6-5) and the rotating centripetal force of the cutter head, and vertically drops from the inner side gap of the cutter head (6), so that the yarn cutting is completed.
7. The glass fiber shredding method according to claim 6, wherein when the cutter head (6) needs to be replaced, the hand wheel (5-1) is rotated to enable the second transmission mechanism to drive the bearing seats (3-6) to rotate, and the cutter head (6) is replaced after being turned over for 180 degrees;
after the cutter head (6) is replaced, the hand wheel (5-1) is rotated reversely to enable the bearing seats (3-6) to rotate reversely, so that the cutter head (6) is reset, and the bearing seats (3-6) are locked and fixed.
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CN114455830B (en) * 2022-03-11 2023-05-26 五河县维佳复合材料有限公司 Glass fiber waste transverse and longitudinal cutting device
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Family Cites Families (10)

* Cited by examiner, † Cited by third party
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US3869268A (en) * 1973-12-11 1975-03-04 Ppg Industries Inc Method and apparatus for chopping fibers
US8806844B2 (en) * 2012-02-24 2014-08-19 Dom, L.L.C. Flail motor head attachment
CN104894693B (en) * 2015-06-19 2017-03-08 常州汉耀复合材料有限公司 A kind of pipeline cutting machine of air-flow conveying fiber and its cutting and carrying method
CN106671593A (en) * 2015-11-08 2017-05-17 重庆市鹏程印务有限公司 Turning type enclosed cavity scraping blade device of central cylinder type flexo printing machine
CN206883839U (en) * 2017-06-07 2018-01-16 四川兴博木业有限公司 A kind of blade exchange device of wood chipping equipment
CN209406750U (en) * 2018-12-06 2019-09-20 江苏奥斯达带业有限公司 Apply knife turnover device
CN210551702U (en) * 2019-09-10 2020-05-19 苏州荃华生物材料有限公司 Cutter turnover mechanism
CN110790503A (en) * 2019-10-28 2020-02-14 淮南北新建材有限公司 High-precision fiber chopping device
CN210879870U (en) * 2019-10-28 2020-06-30 淮南北新建材有限公司 High-precision fiber chopping cutter head
CN112125510B (en) * 2020-09-09 2022-08-23 泰安景行新材料有限公司 Glass fiber swinging pressing wheel traction type cutting device

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