Recycling and reusing treatment system for waste honeycomb paperboards

文档序号:1283373 发布日期:2020-08-28 浏览:20次 中文

阅读说明:本技术 一种废弃蜂窝纸板回收再利用处理系统 (Recycling and reusing treatment system for waste honeycomb paperboards ) 是由 黄磊 李梦然 于 2020-05-30 设计创作,主要内容包括:本发明提供了一种废弃蜂窝纸板回收再利用处理系统,包括切割刀安装杆、刀片安装杆、切割刀、刀片、第一电机、第一凸轮、第一连接杆、第二连接杆、第二凸轮、第一从动齿轮、第二从动齿轮和主动齿轮;安装台的表面从左到右依次安装有第一皮带传送机构、第一平整机构、第二平整机构和第二皮带传送机构,送料机构安装在第一皮带传送机构的表面,安装板共有两组,两组安装板分别竖直安装在第一平整机构上方和第二平整机构上方的前后两侧,切割机构安装在两组安装板之间,纸板回收机构设于第二皮带传送机构的下方;本发明可以解决回收碎块时容易出现堵塞的现象、对废弃蜂窝纸板的粉碎效果不佳影响形成纸浆的质量、自动化程度低的问题。(The invention provides a waste honeycomb paperboard recycling treatment system which comprises a cutting knife mounting rod, a blade mounting rod, a cutting knife, a blade, a first motor, a first cam, a first connecting rod, a second cam, a first driven gear, a second driven gear and a driving gear, wherein the cutting knife mounting rod is arranged on the cutting knife mounting rod; the surface of the mounting table is sequentially provided with a first belt conveying mechanism, a first leveling mechanism, a second leveling mechanism and a second belt conveying mechanism from left to right, the feeding mechanism is arranged on the surface of the first belt conveying mechanism, the mounting plates are divided into two groups, the two groups of mounting plates are vertically arranged on the front side and the rear side above the first leveling mechanism and the second leveling mechanism respectively, the cutting mechanism is arranged between the two groups of mounting plates, and the paperboard recycling mechanism is arranged below the second belt conveying mechanism; the invention can solve the problems that the blockage phenomenon is easy to occur when the fragments are recycled, the crushing effect on the waste honeycomb paperboard is not good, the quality of formed paper pulp is influenced, and the automation degree is low.)

1. The utility model provides a processing system is recycled to abandonment honeycomb cardboard, includes mount table (1), feeding mechanism (2), cutting mechanism (3), cardboard recovery mechanism (4), first belt transport mechanism (5), first mechanism (6), the level and smooth mechanism of second (7) and second belt transport mechanism (8), its characterized in that: a first belt conveying mechanism (5), a first leveling mechanism (6), a second leveling mechanism (7) and a second belt conveying mechanism (8) are sequentially installed on the surface of the installation table (1) from left to right, the feeding mechanism (2) is installed on the surface of the first belt conveying mechanism (5), the number of the installation plates (9) is two, the two sets of the installation plates (9) are respectively vertically installed on the front side and the rear side above the first leveling mechanism (6) and the second leveling mechanism (7), the cutting mechanism (3) is installed between the two sets of the installation plates (9), and the paperboard recycling mechanism (4) is arranged below the second belt conveying mechanism (8);

the mounting plate (9) comprises plates (91), first sliding grooves (92) and second sliding grooves (93), the left side bottoms of the two groups of plates (91) are respectively vertically provided with the first sliding grooves (92) in a chiseled mode, and the right side bottoms of the two groups of plates (91) are respectively vertically provided with the second sliding grooves (93) in a chiseled mode;

the cutting mechanism (3) comprises a cutting knife mounting rod (31), a blade mounting rod (32), a cutting knife (33), a blade (34), a first motor (35), a first cam (36), a first connecting rod (37), a second connecting rod (38), a second cam (39), a first driven gear (310), a second driven gear (311) and a driving gear (312), wherein two ends of the blade mounting rod (32) are respectively connected with two groups of first chutes (92) in a sliding manner, the bottom of the blade mounting rod (32) is vertically provided with the blade (34), the outer side surfaces of two groups of plates (91) positioned right above the first chutes (92) are respectively connected with the first cam (36) in a rotating manner through a rotating shaft, and the lower surface of each group of the first cams (36) is respectively connected with any one end of the two groups of first connecting rods (37) in a rotating manner through a rotating shaft, the both ends surface of blade installation pole (32) all is through pivot and two sets of the other end of head rod (37) rotates to be connected, the even vertical multiunit cutting knife (33) of installing of bottom equidistance of cutting knife installation pole (31) is located directly over second spout (93) two sets of panel (91) outside surface all rotates through the pivot and is connected with second cam (39), and is two sets of the below surface of second cam (39) all is through pivot and two sets of the arbitrary one end of second connecting rod (38) rotates to be connected, the both ends surface of cutting knife installation pole (31) all is through pivot and two sets of the other end of second connecting rod (38) rotates to be connected, the inboard center of driving gear (312) rotates through the pivot and connects at arbitrary a set of the surface of panel (91), the teeth of a cogwheel both sides of driving gear (312) respectively with the teeth of a cogwheel of first driven gear (310) and the teeth of a cogwheel of second driven gear (311) and mesh The first driven gear (310) and the second driven gear (311) are same in size, the center of the first driven gear (310) is rotationally connected with the rotation center of the first cam (36) through a rotating shaft, the center of the second driven gear (311) is rotationally connected with the rotation center of the second cam (39) through a rotating shaft, and the first motor is rotationally connected with the outer side center of the driving gear (312) through a rotating shaft.

2. The recycling system of waste honeycomb cardboard as claimed in claim 1, wherein: the feeding mechanism (2) comprises a discharging groove (21), a strip-shaped opening (22) and balls (23), wherein the discharging groove (21) is formed by splicing four groups of wood boards, the strip-shaped openings (22) are horizontally cut at the bottoms of the front side and the rear side of the discharging groove (21), and a plurality of groups of balls (23) are embedded in the surfaces of the wood boards on the upper surface of the strip-shaped openings (22);

the paperboard recycling mechanism (4) comprises a recycling bin (41), an outlet (42), an atomization water inlet hole (43), a circular ring sliding rail (44), a supporting rod (45), a connecting rod (46), a circular rod (47), a second motor (48), a main bevel gear (49), an auxiliary bevel gear (410) and a connecting shaft (411), the right side of the second belt conveying mechanism (8) and the cutting mechanism (3) are located right above an opening of the recycling bin (41), the outlet (42) is formed in the center of the bottom of the recycling bin (41), the circular ring sliding rail (44) is drilled at the upper end and the lower end of the inner side peripheral side wall of the recycling bin (41), the connecting rod (46) is vertically installed in the center of an inner cavity of the recycling bin (41), two groups of supporting rods (45) are horizontally installed on the side surface of the connecting rod (46), and the tail ends of the two groups of supporting rods (45) are respectively in sliding connection with the two groups of circular ring sliding rail (44), two sets of vertically install round rod (47) between the end of bracing piece (45), be located two sets of between ring slide rail (44) the lateral wall equidistance evenly installs multiunit atomizing inlet opening (43) in recovery section of thick bamboo (41) inboard, round rod (47) overlap joint is in the surface of atomizing inlet opening (43), the top lateral wall noose of connecting rod (46) has vice conical gear (410), the top of vice conical gear (410) is vertical to be equipped with main conical gear (49), main conical gear (49) vice conical gear (410) crossing intermeshing, second motor (48) are installed the front surface of mount table (1), the rotor of second motor (48) pass through connecting axle (411) with the center of main conical gear (49) is rotated and is connected.

3. The recycling system of waste honeycomb cardboard as claimed in claim 1, wherein: the first slide groove (92) has a height lower than that of the second slide groove (93).

4. The recycling system of waste honeycomb cardboard as claimed in claim 1, wherein: the cutter body of the cutting knife (33) is a prismatic frame body, a cutter head is arranged at the bottom of each surface of the prismatic frame body, the cutter head is in an inverted triangular shape, the blade (32) is positioned behind the cutting knife (33), and the front surface of the blade (32) is overlapped on the rear surface of the cutting knife (33); the length of the cutting knife (33) is longer than the length of the blade (32).

5. The recycling system of waste honeycomb cardboard as claimed in claim 1, wherein: there is one section space face below between first mechanism (6) and the second mechanism (7) of leveling, first mechanism (6) and the second mechanism (7) of leveling are two sets of live-rollers that are symmetrical from top to bottom and constitute, and the rotation of two sets of live-rollers is opposite.

6. The recycling system of the waste honeycomb cardboard as claimed in claim 2, wherein: the outer surface of the recovery cylinder (41) is provided with a water inlet pipe connector, and the water inlet pipe connector is communicated with the atomization water inlet holes (43) of each group.

Technical Field

The invention relates to the technical field of honeycomb paperboard recycling, in particular to a recycling treatment system for waste honeycomb paperboards.

Background

The honeycomb paper board is made according to the principle of honeycomb structure in nature, and is a novel environment-friendly energy-saving material with a sandwich structure, which is formed by connecting corrugated base paper into a plurality of hollow three-dimensional regular hexagons by using an adhesive method to form an integral stressed piece, namely a paper core, and bonding surface paper on two sides of the integral stressed piece.

Because the honeycomb paperboard belongs to a recyclable material, the waste honeycomb paperboard is generally recycled, the waste honeycomb paperboard needs to be firstly chopped and then the fragments are recycled and then pulped in the recycling process of the waste honeycomb paperboard, a recycling device in the prior art is easy to block when the fragments are recycled, so that the waste honeycomb paperboard recycling device cannot normally operate, in addition, a cutting blade is generally used for cutting and crushing the waste honeycomb paperboard by the conventional waste honeycomb paperboard recycling and processing system, however, the honeycomb structure of the honeycomb paperboard has the characteristic of high strength, so that the crushing effect of the honeycomb paperboard on the waste honeycomb paperboard is poor, and the quality of formed paper pulp is influenced; the prior art can not continuously and automatically cut a plurality of waste honeycomb paperboards, and the automation degree is low.

Disclosure of Invention

In order to achieve the above object, the present invention adopts the following technical scheme, and a waste honeycomb paperboard recycling processing system comprises an installation table, a feeding mechanism, a cutting mechanism, a paperboard recycling mechanism, a first belt conveying mechanism, a first leveling mechanism, a second leveling mechanism and a second belt conveying mechanism, wherein:

the surface of the mounting table is sequentially provided with a first belt conveying mechanism, a first leveling mechanism, a second leveling mechanism and a second belt conveying mechanism from left to right, the feeding mechanism is mounted on the surface of the first belt conveying mechanism, the number of the mounting plates is two, the two mounting plates are vertically mounted on the front side and the rear side above the first leveling mechanism and the second leveling mechanism respectively, the cutting mechanism is mounted between the two mounting plates, and the paperboard recycling mechanism is arranged below the second belt conveying mechanism;

the mounting plate comprises plates, a first sliding groove and a second sliding groove, the left side bottoms of the two groups of plates are respectively vertically provided with the first sliding groove, and the right side bottoms of the two groups of plates are respectively vertically provided with the second sliding groove;

the cutting mechanism comprises a cutting knife mounting rod, a cutting knife, a cutting blade, a first motor, a first cam, a first connecting rod, a second cam, a first driven gear, a second driven gear and a driving gear, wherein two ends of the cutting knife mounting rod are respectively connected with two groups of first sliding grooves in a sliding mode, the bottom of the cutting knife mounting rod is vertically provided with the cutting knife, the cutting knife is located in two groups above the first sliding grooves, the outer side surface of the plate is rotationally connected with the first cam through a rotating shaft, the lower surface of the first cam is rotationally connected with two groups of first connecting rods through rotating shafts, the surfaces of the two ends of the cutting knife mounting rod are rotationally connected with the other ends of the first connecting rods through rotating shafts, multiple groups of cutting knives are evenly and vertically mounted at equal intervals at the bottom of the cutting knife mounting rod, the outer side surface of the plate is located in two groups above the second sliding grooves, and the outer side surface of the The lower surfaces of the two groups of second cams are rotationally connected with any one end of the two groups of second connecting rods through a rotating shaft, the surfaces of the two ends of the cutting knife mounting rod are rotatably connected with the other ends of the two groups of second connecting rods through rotating shafts, the inner center of the driving gear is rotationally connected with the outer surface of any group of the plates through a rotating shaft, two sides of the gear teeth of the driving gear are respectively meshed and connected with the gear teeth of the first driven gear and the gear teeth of the second driven gear, the first driven gear and the second driven gear are the same in size, the center of the first driven gear is rotationally connected with the rotation center of the first cam through a rotating shaft, the center of the second driven gear is rotationally connected with the rotating center of the second cam through a rotating shaft, and the first motor is rotationally connected with the center of the outer side of the driving gear through a rotating shaft.

Preferably; the feeding mechanism comprises a discharging groove, a strip-shaped opening and balls, the discharging groove is formed by splicing four groups of boards, the strip-shaped openings are horizontally cut at the bottoms of the front side and the rear side of the discharging groove, and the surfaces of the boards on the upper surface of the strip-shaped openings are embedded with the balls;

the paperboard recycling mechanism comprises a recycling bin, an outlet, atomizing water inlet holes, ring sliding rails, supporting rods, connecting rods, round rods, a second motor, a main conical gear, an auxiliary conical gear and a connecting shaft, wherein the right side of the second belt conveying mechanism and the cutting mechanism are positioned right above the opening of the recycling bin, the outlet is formed in the center of the bottom of the recycling bin, the ring sliding rails are chiseled at the upper and lower ends of the inner peripheral side wall of the recycling bin, the connecting rods are vertically installed in the center of the inner cavity of the recycling bin, two groups of supporting rods are horizontally installed on the side surface of the connecting rods respectively, the tail ends of the two groups of supporting rods are respectively in sliding connection with the two groups of ring sliding rails, the round rods are vertically installed between the tail ends of the two groups of supporting rods, and a plurality of groups of atomizing water inlet holes are evenly installed on the inner side wall of the, the round rod overlap joint is in the surface of atomizing inlet opening, the top lateral wall noose of connecting rod has vice bevel gear, the vertical main bevel gear that is equipped with in vice bevel gear's top, main bevel gear vice bevel gear crossing intermeshing, the second motor is installed the front surface of mount table, the rotor of second motor pass through the connecting axle with the center of main bevel gear rotates the connection.

Preferably; the height of the first sliding groove is lower than that of the second sliding groove.

Preferably; the cutter body of the cutting knife is a prismatic frame body, the bottom of each surface of the prismatic frame body is provided with a cutter head, the cutter head is in an inverted triangular shape, the blade is positioned behind the cutting knife, and the front surface of the blade is lapped on the rear surface of the cutting knife; the length of the cutting knife is longer than that of the blade.

Preferably; a section of spacing surface is arranged below the space between the first leveling mechanism and the second leveling mechanism, the first leveling mechanism and the second leveling mechanism are both formed by two groups of rotating rollers which are vertically symmetrical, and the rotation of the two groups of rotating rollers is opposite.

Preferably; the surface of recovery drum is equipped with the inlet tube connector, inlet tube connector and every group the atomizing inlet opening communicates each other.

The cutting knife and the blade are combined to cut the waste honeycomb paperboard in sections, so that the cutting effect is improved, and the problem that the waste honeycomb paperboard is poor in crushing effect is solved; in addition, the round stick can clean the inner wall of the recovery barrel, prevent fragments from being bonded on the inner wall of the recovery barrel to cause blockage of a recovery mechanism, and can perform humidification treatment on the fragments by combining the use of the atomization water inlet hole so as to improve the quality of the formed pulp; at last, the design of the feeding mechanism can enable the multiple groups of waste honeycomb paperboards to be automatically and sequentially removed from the strip-shaped opening, and the problem that the multiple groups of waste honeycomb paperboards cannot be continuously and automatically cut and the automation degree is low is solved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a first configuration of the present invention;

FIG. 2 is a schematic view of the cutting mechanism of FIG. 1;

FIG. 3 is a side view M-M of FIG. 2;

FIG. 4 is a side view N-N of FIG. 2;

FIG. 5 is a schematic view of the construction of the cutting knife and blade of the present invention;

FIG. 6 is a schematic view of the structure of the board recovery mechanism of FIG. 1;

fig. 7 is an enlarged schematic view a of fig. 1.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 6, a waste honeycomb paperboard recycling treatment system comprises a mounting table 1, a feeding mechanism 2, a cutting mechanism 3, a paperboard recycling mechanism 4, a first belt conveying mechanism 5, a first leveling mechanism 6, a second leveling mechanism 7 and a second belt conveying mechanism 8, a first belt conveying mechanism 5, a first flattening mechanism 6, a second flattening mechanism 7 and a second belt conveying mechanism 8 are sequentially arranged on the surface of the mounting table 1 from left to right, the feeding mechanism 2 is arranged on the surface of the first belt conveying mechanism 5, two groups of mounting plates 9 are arranged, the two groups of mounting plates 9 are respectively vertically arranged on the front side and the rear side above the first leveling mechanism 6 and the second leveling mechanism 7, the cutting mechanism 3 is arranged between the two groups of mounting plates 9, and the paperboard recovery mechanism 4 is arranged below the second belt conveying mechanism 8;

the mounting plate 9 comprises plates 91, a first sliding groove 92 and a second sliding groove 93, wherein the left bottom parts of the two groups of plates 91 are respectively vertically provided with the first sliding groove 92, and the right bottom parts of the two groups of plates 91 are respectively vertically provided with the second sliding groove 93;

the cutting mechanism 3 comprises a cutting knife mounting rod 31, a cutting knife mounting rod 32, a cutting knife 33, a cutting knife 34, a first motor 35, a first cam 36, a first connecting rod 37, a second connecting rod 38, a second cam 39, a first driven gear 310, a second driven gear 311 and a driving gear 312, two ends of the cutting knife mounting rod 32 are respectively connected with two groups of first chutes 92 in a sliding manner, the cutting knife 34 is vertically mounted at the bottom of the cutting knife mounting rod 32, the outer side surfaces of the two groups of plates 91 positioned right above the first chutes 92 are respectively connected with the first cam 36 in a rotating manner through a rotating shaft, the lower surfaces of the two groups of first cams 36 are respectively connected with any one end of the two groups of first connecting rods 37 in a rotating manner through a rotating shaft, the two end surfaces of the cutting knife mounting rod 32 are respectively connected with the other ends of the two groups of first connecting rods 37 in a rotating manner through a rotating shaft, a plurality of cutting knives 33 are uniformly and vertically, the outer side surfaces of two groups of plates 91 positioned right above the second sliding groove 93 are rotatably connected with second cams 39 through rotating shafts, the lower side surfaces of the two groups of second cams 39 are rotatably connected with any one end of two groups of second connecting rods 38 through rotating shafts, the two end surfaces of the cutting knife mounting rod 31 are rotatably connected with the other ends of the two groups of second connecting rods 38 through rotating shafts, the inner side center of the driving gear 312 is rotatably connected with the outer surface of any one group of plates 91 through rotating shafts, the two sides of the gear teeth of the driving gear 312 are respectively engaged and connected with the gear teeth of a first driven gear 310 and the gear teeth of a second driven gear 311, the first driven gear 310 and the second driven gear 311 have the same size, the center of the first driven gear 310 is rotatably connected with the rotating center of the first cam 36 through rotating shafts, and the center of the second driven gear 311 is rotatably connected with the rotating center of the second cam 39 through rotating shafts, the first motor is rotatably connected to the outer center of the driving gear 312 through a rotating shaft.

The feeding mechanism 2 comprises a discharging groove 21, strip-shaped openings 22 and balls 23, wherein the discharging groove 21 is formed by splicing four groups of boards, the strip-shaped openings 22 are horizontally cut at the bottoms of the front side and the rear side of the discharging groove 21, and a plurality of groups of balls 23 are embedded in the surfaces of the boards on the upper surface of the strip-shaped openings 22;

cardboard is retrieved mechanism 4 and is included recovery cylinder 41, export 42, atomizing inlet opening 43, ring slide rail 44, bracing piece 45, connecting rod 46, circle rod 47, second motor 48, main bevel gear 49, vice bevel gear 410 and connecting axle 411, second belt transport mechanism 8 the right side with cutting mechanism 3 all is located directly over recovery cylinder 41's open-ended, open at the bottom center of recovery cylinder 41 has export 42, recovery cylinder 41's inboard upper and lower both ends of lateral wall all around have all been dug ring slide rail 44, the vertical connecting rod 46 of installing in inner chamber center of recovery cylinder 41, connecting rod 46's side surface is horizontal installation respectively two sets of bracing piece 45, two sets of bracing piece 45's end respectively with two sets of ring slide rail 44 sliding connection, two sets of vertically install circle rod 47 between bracing piece 45's the end, be located two sets of between ring slide rail 44 the inboard lateral wall equidistance of recovery cylinder 41 evenly installs multiunit atomizing inlet opening equidistance 43, the round rod 47 is lapped on the surface of the atomization water inlet hole 43, the secondary bevel gear 410 is sleeved on the side wall of the top of the connecting rod 46, a main bevel gear 49 is vertically arranged above the secondary bevel gear 410, the intersection of the secondary bevel gears 410 of the main bevel gear 49 are meshed with each other, the second motor 48 is installed on the front surface of the installation table 1, and the rotor of the second motor 48 is rotationally connected with the center of the main bevel gear 49 through a connecting shaft 411;

the height of the first slide groove 92 is lower than that of the second slide groove 93; the cutter body of the cutting knife 33 is a prismatic frame body, a cutter head is arranged at the bottom of each surface of the prismatic frame body, the cutter head is in an inverted triangular shape, the blade 32 is positioned behind the cutting knife 33, and the front surface of the blade 32 is lapped on the rear surface of the cutting knife 33; the length of the cutting knife 33 is longer than that of the blade 32; a section of spacing surface is arranged below the first leveling mechanism 6 and the second leveling mechanism 7, the first leveling mechanism 6 and the second leveling mechanism 7 are both formed by two groups of rotating rollers which are vertically symmetrical, and the rotation of the two groups of rotating rollers is opposite; the outer surface of the recycling bin 41 is provided with a water inlet pipe connector, and the water inlet pipe connector is communicated with the atomization water inlet holes 43 of each group.

In the using process of the honeycomb paperboard continuous processing machine, the waste honeycomb paperboards are stacked in the discharging groove 21, the honeycomb paperboard at the lowest position moves rightwards along the first belt conveying mechanism 5 under the action of the first belt conveying mechanism 5 and the balls 23, and after the honeycomb paperboard at the lowest position completely leaves the discharging groove 21, the honeycomb paperboard placed on the honeycomb paperboard at the lowest position moves onto the first belt conveying mechanism 5 under the action of gravity and the process is repeated, so that the continuous and automatic processing of a plurality of honeycomb paperboards is realized; when the cutting mechanism 3 cuts the honeycomb paperboard, a plurality of groups of cutting knives 33 firstly cut off a part of the honeycomb paperboard, then the cutting knives 34 cut the remaining part immediately, and the honeycomb paperboard is cut in sections, so that the cutting effect is improved; then the driving gear 312 drives the first driven gear 310 and the second driven gear 311 to rotate synchronously under the action of the first motor 35, at the moment, the blade 34 moves up and down along the first chute 92 along with the blade mounting rod 32, the cutting knife 33 moves up and down along the second chute 93 along with the cutting knife mounting rod 31, and because the first chute 92 and the second chute 93 are different in height, the blade 34 and the cutting knife 33 do not move synchronously, so that the paper board fragments mixed between the cutting knife 33 and the blade 34 can be cleaned, and finally the paper board fragments fall into the paper board processing mechanism 4, a water pipe is connected with the recovery cylinder 41, at the moment, water in the water pipe is sprayed into the recovery cylinder 41 from all directions through the atomizing water inlet holes 43, the paper board fragments falling into the recovery cylinder 41 can be wetted by the atomizing water, and the paper board fragments can be conveniently formed into pulp; meanwhile, the second motor 48 drives the main bevel gear 410 to rotate, and the main bevel gear 410 drives the auxiliary bevel gear 49 to rotate, so that the two groups of support rods 45 do circular motion along the circular sliding groove 44, the circular motion of the circular rods 47 attached to the inner wall of the recycling bin 41 is realized, cardboard fragments adhered to the inner wall of the recycling bin 41 are cleaned, and the recycling bin 41 is prevented from being blocked.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

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