CN112743914B - Indentation mechanism of air filter without partition plate, paper folder and using method - Google Patents

Indentation mechanism of air filter without partition plate, paper folder and using method Download PDF

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Publication number
CN112743914B
CN112743914B CN202011443556.XA CN202011443556A CN112743914B CN 112743914 B CN112743914 B CN 112743914B CN 202011443556 A CN202011443556 A CN 202011443556A CN 112743914 B CN112743914 B CN 112743914B
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China
Prior art keywords
roller
hob
tool bit
paper
hard
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CN112743914A (en
Inventor
徐长松
牛庆玲
王建广
杜加有
李云
闫正军
茹祥飞
任俊豪
郭江涛
崔丽花
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Xinxiang Lifeierte Filter Co ltd
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Xinxiang Lifeierte Filter Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31DMAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0082Making filter elements, e.g. pleated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001Making filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31DMAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/04Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles including folding or pleating, e.g. Chinese lanterns

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

The invention provides an indentation mechanism of a partition-free air filter, a paper folder and a using method of the paper folder. The invention avoids the damage and collapse of the filter paper during indentation, the indentation is easy to form, the flow resistance of the finished filter element is uniform, and the qualification rate is high.

Description

Indentation mechanism of air filter without partition plate, paper folder and using method
Technical Field
The invention relates to the technical field of a partition-free paper folder, in particular to an indentation mechanism of a partition-free air filter, a paper folder and a using method of the paper folder.
Background
The high-efficient paper folder machine of no baffle mainly is used for producing high-efficient no baffle air cleaner, and current high-efficient paper folder hobbing cutter is mostly metal and metal butt joint, and indentation shaping is rolled over ripples, and lead screw pressure adjustment is not controlled well, makes the filter media damaged easily moreover, or the shaping angle is not enough, and ripple outward appearance roughness and degree of consistency are not enough.
CN201745220U discloses a no baffle air cleaner indentation device, including indentation axle, rubber strip and indentation sword evenly set up on the indentation axle, and the rubber strip sets up with the indentation sword interval, guarantees that filter paper is comparatively upright when folding up the shaping, and the increase filter paper is big with the area of contact of air, easily air passes through. Both the schemes disclosed in fig. 1 and fig. 3 of the document have the problems of high indentation damage rate of the filter paper, a great amount of collapse of the formed filter paper, and the like. In addition, the indentation sword appears installing in place easily, if the radial sword of one of them indentation sword is too high, can cause the paper folding shaping time, the periodic paper folding vertical degree that appears is higher, the problem that the unevenness appears.
Disclosure of Invention
The invention provides an indentation mechanism of a partition-plate-free air filter, a paper folder and a use method, which can avoid damage and collapse of folded paper during indentation, can easily form indentation, and can ensure uniform flow resistance and high qualification rate of a finished filter element.
The technical scheme of the invention is realized as follows: the utility model provides a no baffle air cleaner's indentation mechanism, including initiative hobbing cutter and with initiative hobbing cutter complex driven hobbing cutter, initiative hobbing cutter and driven hobbing cutter all include the cylinder, all have the stereoplasm tool bit along circumference interval equipartition on the lateral wall of cylinder, are provided with soft tool bit between the adjacent stereoplasm tool bit, the stereoplasm tool bit of initiative hobbing cutter and the soft tool bit of driven hobbing cutter correspond the cooperation, the soft tool bit of initiative hobbing cutter corresponds the cooperation with driven hobbing cutter's stereoplasm tool bit, the paper feed limit of stereoplasm tool bit is the arc surface.
Further, stereoplasm tool bit and soft tool bit are all along radially being higher than the lateral wall of cylinder, and the radial length that exceeds the cylinder is radial sword height, and the radial sword height of stereoplasm tool bit is greater than soft tool bit, and the circumference width of stereoplasm tool bit is less than soft tool bit.
Furthermore, the circumferential width of the soft cutter head is 5-6mm, the radial cutter height is 0.08-0.15mm, the circumferential width of the hard cutter head is 1.2-1.5mm, the radial cutter height is 0.6-1.0mm, and the radius of the circular arc of the paper feeding edge of the hard cutter head is 0.3mm.
Further, the lateral wall of cylinder has first mounting groove along the circumference equipartition, is provided with the second mounting groove on the cylinder between the adjacent first mounting groove, and the axial setting of cylinder is all followed to first mounting groove and second mounting groove, and on the stereoplasm tool bit was fixed in the cylinder through first mounting groove detachable, soft tool bit was fixed in on the cylinder through second mounting groove detachable.
Further, the soft tool bit is a rubber tool bit, and the hard tool bit is a metal tool bit.
A preparation method of an indentation mechanism of a partition-free air filter comprises the following steps:
(1) Respectively processing a first mounting groove and a second mounting groove on the peripheral side wall of the roller, wherein the first mounting groove and the second mounting groove are arranged along the axial direction of the roller;
(2) The root of the hard tool bit is embedded into the first mounting groove, the root of the soft tool bit is embedded into the second mounting groove, and then the roller provided with the tool bit is sent into the correcting cylinder for correction, so that the radial tool height of the hard tool bit is ensured to be consistent;
(3) And extruding the rollers on two sides of the end part of the hard tool bit to form an extrusion groove, and fixing the hard tool bit in the first installation groove.
Furthermore, the correction cylinder and the roller are arranged coaxially, the inner radius of the correction cylinder is gradually reduced from the feeding end to the discharging end, the inner radius of the feeding end is larger than the sum of the radial cutter height of the hardened cutter head of the outer radius of the roller, and the inner radius of the discharging end is the sum of the radial cutter height of the hardened cutter head of the outer radius of the roller.
The utility model provides a no baffle air cleaner's paper folder, which comprises a frame, be provided with in the frame indentation mechanism, rotate in the frame of indentation mechanism feed side and place in unreeling the roller, unreel and be provided with feed mechanism between roller and the indentation mechanism, feed mechanism includes two type of falling V connecting rods, two type of falling V connecting rods set up respectively in the both sides of frame, the corner of type of falling V connecting rod rotates with the frame and links to each other, the one end that type of falling V connecting rod is close to unreeling the roller is provided with the promotion recess, the other end rotates with the one end of extensible member and links to each other, the other end rotation of extensible member sets up in the below of frame.
Furthermore, the end of the driven hob is connected with the base support in a rotating mode, the driving hob is located above the driven hob, bearing seats are arranged at two ends of the driving hob, a micrometer head connected with the bearing seats is arranged on the rack, one end of the driving hob is connected with the servo motor, the other end of the driving hob is provided with a driving gear, and the end of the driven hob is provided with a driven gear meshed with the driving gear.
Further, it spouts gluey mechanism, paper folding mechanism and transport mechanism to have set gradually in the frame of indentation mechanism feed side, and the top of spouting gluey mechanism is provided with paper folding and cuts apart the sword, spouts gluey mechanism and includes that the subtend slides and sets up spouts gluey head and distance subassembly in the frame, and the distance subassembly is located between two tip of spouting gluey head, and the locating component is including being fixed in the locating piece in the frame, and the equal threaded connection in both sides of locating piece has the roll adjustment screw rod.
A method for using a paper folder of a partition-free air filter comprises the following steps:
(1) The telescopic piece contracts to drive the lifting groove of the inverted V-shaped connecting rod to move downwards, the paper folding roll is sleeved on the unwinding roller, the end part of the unwinding roller is positioned above the lifting groove, the telescopic piece extends, the lifting groove drives the unwinding roller to move upwards to the upper side of the rack, then the telescopic piece contracts, and the unwinding roller is placed on the rack;
(2) Rotating the micrometer head to adjust the distance between the driving hob and the driven hob, wherein the driving hob drives the driven hob to rotate, and when the folded paper passes through the space between the driving hob and the driven hob, through the matching of the hard cutter head and the soft cutter head, indentations are formed on the filter paper;
(3) The paper folding after indentation is cut into the required width by a paper folding cutter in sequence, glue is sprayed by a glue spraying mechanism, the paper folding mechanism folds and forms the paper, and the formed paper folding is conveyed by a transmission mechanism.
The invention has the beneficial effects that:
the invention is widely suitable for a baffle-free high-efficiency paper folder to produce a high-efficiency air filter, and the product is widely applied to filtration of air in breeding, electronics, hospitals, microorganisms and laboratories. According to the invention, through the matching of the hard cutter and the soft cutter, the paper feeding edge of the hard cutter is an arc surface, so that an indentation is easily formed, filter paper is not lost, and the formability is good. The circular arc surface avoids damage and collapse of the filter paper during indentation, the flow resistance of the finished filter element is uniform, and the qualification rate is high.
The circumferential width of the soft cutter head is 5-6mm, the radial cutter height is 0.08-0.15mm, the circumferential width of the hard cutter head is 1.2-1.5mm, the radial cutter height is 0.6-1.0mm, and the radian of the paper feeding edge of the hard cutter head is 0.3mm. Through the restriction of the structure size, the indentation forming device is suitable for indentation forming of various filter papers, improves the universality, further reduces indentation breakage of the filter papers, reduces collapse of folded paper forming, ensures the standing degree after folded paper, has low rejection rate and saves the cost.
After the hard cutter head is installed, the hard cutter head is corrected through the correction cylinder, the consistency of the radial cutter height of the hard cutter is ensured, and the problems that the vertical degree of paper folding becomes high and the flatness becomes poor periodically are avoided; and after correction, the indentation end of the hard tool bit is not damaged.
When the paper folding machine is used for feeding, the expansion piece is extended to drive the inverted V-shaped connecting rod to rotate, so that automatic feeding of the unwinding roller is realized, the structure is simple, the operation is convenient, the unwinding roller for sleeving the folded paper roll is heavier, the unwinding roller is lifted up by manpower usually, the feeding mechanism is adopted, the labor intensity of workers is reduced, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an indentation mechanism;
FIG. 2 is a schematic structural diagram of the cooperation of the driving hob and the driven hob;
FIG. 3 is a partial structural diagram of A in FIG. 2;
FIG. 4 is a schematic view of the structure of the drum;
FIG. 5 is a schematic view of the structure of the extrusion slot;
FIG. 6 is a schematic view of the calibration cylinder;
FIG. 7 is a schematic view of the structure of a paper folder;
FIG. 8 is a schematic structural diagram of a feeding mechanism;
fig. 9 is an enlarged view of B in fig. 7.
The automatic paper folding machine comprises a driving hob 1, a driven hob 2, a roller 3, a hard cutter head 4, a soft cutter head 5, a paper feeding edge 6, a paper discharging edge 7, a first installation groove 8, a second installation groove 9, a micrometer head 10, a servo motor 11, a driving gear 12, a driven gear 13, an extrusion groove 14, a correction cylinder 15, a rack 16, an indentation mechanism 17, an unwinding roller 18, an installation seat 19, an inverted V-shaped connecting rod 20, a lifting groove 21, a transverse connecting rod 22, a telescopic piece 23, a glue spraying mechanism 24, a paper folding mechanism 25, a conveying mechanism 26, a paper folding cutter 27, a glue spraying head 28, a distance fixing component 29, a positioning block 30 and a distance adjusting screw 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example one
As shown in fig. 1 and 2, an indentation mechanism of a partition-free air filter comprises a driving hob 1 and a driven hob 2 matched with the driving hob 1, wherein the driving hob 1 and the driven hob 2 all comprise a roller 3, hard tool bits 4 are uniformly distributed on the side wall of the roller 3 along the circumferential direction at intervals, soft tool bits 5 are arranged between the adjacent hard tool bits 4, the hard tool bits 4 of the driving hob 1 and the soft tool bits 5 of the driven hob 2 correspond to each other and are matched, and the soft tool bits 5 of the driving hob 1 and the hard tool bits 4 of the driven hob 2 correspond to each other and are matched.
The paper feeding edge 6 of the hard cutter head 4 is a circular arc surface, and the paper discharging edge 7 is a right-angle edge. The paper feeding edge 6 is an arc surface, so that the hard cutter head 4 is prevented from cutting filter paper, the paper discharging edge 7 is a right-angle edge or an arc surface, and the structure of the hard cutter head 4 is adopted, so that the vertical collapse during the subsequent paper folding forming is favorably reduced.
The application method of the embodiment comprises the following steps: the initiative hobbing cutter 1 drives the rotation of the driven hobbing cutter 2, and when filter paper passes through between the initiative hobbing cutter 1 and the driven hobbing cutter 2, through the cooperation of the hard tool bit 4 of the initiative hobbing cutter 1 and the soft tool bit 5 of the driven hobbing cutter 2, or the cooperation of the soft tool bit 5 of the initiative hobbing cutter 1 and the hard tool bit 4 of the driven hobbing cutter 2, an indentation is formed on the filter paper, and a forming basis is provided for the folding wave of the filter paper of the subordinate level.
Example two
This embodiment is substantially the same as the first embodiment, except that: as shown in fig. 2, the hard tips 4 and the soft tips 5 are both higher than the sidewall of the drum 3 in the radial direction, the hard tips 4 have a radial height greater than that of the soft tips 5, and the hard tips 4 have a circumferential width smaller than that of the soft tips 5.
The circumferential width of the soft cutter head 5 is 5-6mm, the radial cutter height is 0.08-0.15mm, the circumferential width of the hard cutter head 4 is 1.2-1.5mm, and the radial cutter height is 0.6-1.0mm. The radian of the paper feeding edge 6 of the hard cutter head 4 is 0.3mm.
The design of the structure ensures that the hob cutter is suitable for processing various filter papers, such as the H8-H10 grade filter material of a high-efficiency air filter, not only can reduce the breakage rate, but also is easier to indentation and form, avoids the collapse of folded paper forming, ensures the upright degree, and has uniform flow resistance and high qualification rate of finished filter elements.
EXAMPLE III
This embodiment is substantially the same as the first or second embodiment, except that: as shown in fig. 3-5, the lateral wall of the cylinder 3 is circumferentially and uniformly provided with first mounting grooves 8, a second mounting groove 9 is arranged on the cylinder 3 between the adjacent first mounting grooves 8, the first mounting groove 8 and the second mounting groove 9 are both arranged along the axial direction of the cylinder 3, the root of the hard tool bit 4 is embedded in the first mounting groove 8, the cylinder 3 extrudes the two sides of the end part of the hard tool bit 4 to form an extrusion groove 14, the hard tool bit 4 is fixed in the first mounting groove 8, and the soft tool bit 5 is detachably embedded in the second mounting groove 9. The soft tool bit 5 is a rubber tool bit, and the hard tool bit 4 is a metal tool bit.
The machining precision requirement of the driving hob 1 and the driven hob 2 is high, the structure is adopted, the machining cost of the driving hob 1 and the processing cost of the driven hob 2 can be reduced, only the worn hard tool bit 4 or the worn soft tool bit 5 needs to be replaced, and the production cost is reduced.
Example four
A method for preparing an indentation mechanism 17 of a partition-free air filter comprises the following steps:
(1) A first mounting groove 8 and a second mounting groove 9 are respectively machined on the peripheral side wall of the roller 3, and the first mounting groove 8 and the second mounting groove 9 are both arranged along the axial direction of the roller 3;
(2) The root of the hard tool bit 4 is embedded into the first mounting groove 8, the root of the soft tool bit 5 is embedded into the second mounting groove 9, and then the roller 3 provided with the tool bit is sent into the correcting cylinder 15 for correction, so that the radial tool height of the hard tool bit 4 is ensured to be consistent;
(3) And extruding the rollers 3 at two sides of the end part of the hard cutter head 4 to form an extruding groove 14, and fixing the hard cutter head 4 in the first mounting groove 8. The hard tool bit 4 is fixed by extrusion, and the installation is convenient and fast.
As shown in figures 2, 3 and 6, the correcting cylinder 15 is arranged coaxially with the roller 3, the inner radius of the correcting cylinder 15 is gradually reduced from the feeding end to the discharging end, and the inner radius R of the feeding end 1 Is larger than the sum (R) of the outer radius R of the roller 3 and the radial cutter height h of the hard cutter head 4 1 >R + h), inner radius R of discharge end 2 The sum (R) of the radial cutter height h of the hard cutter head 4 and the outer radius R of the roller 3 is added 2 =r+h)。
Rectify hard tool bit 4's radial sword height through a correction section of thick bamboo 15, avoid hard tool bit 4's root embedding first mounting groove 8 to go deep into differently, lead to radial sword height too high, the higher problem of periodic appearance paper folding vertical degree.
EXAMPLE five
As shown in fig. 7-9, a paper folder of a baffle-free air filter comprises a frame 16, wherein the frame 16 is provided with an indentation mechanism 17, the end of a driven hob 2 is rotatably connected with a base bracket through a bearing, a driving hob 1 is positioned above the driven hob 2, bearing seats are respectively sleeved at two ends of the driving hob 1, a micrometer head 10 connected with the bearing seats is vertically installed on the frame 16, one end of the driving hob 1 is connected with a servo motor 11, the other end of the driving hob 1 is provided with a driving gear 12, and the end of the driven hob 2 is provided with a driven gear meshed with the driving gear 12. The servo motor 11 drives the driving hob 1 to rotate, the driving hob 1 drives the driven gear 13 to rotate through the driving gear 12, and the driven gear 13 drives the driven hob 2 to rotate.
The automatic feeding device is characterized in that a rack 16 on the feeding side of an indentation mechanism 17 is rotatably placed on an unwinding roller 18, two sides of the rack 16 are respectively fixed with a mounting seat 19 with an opening at the upper end, the end part of the unwinding roller 18 is rotatably placed on the mounting seat 19, a feeding mechanism is arranged between the unwinding roller 18 and the indentation mechanism 17 and comprises two inverted V-shaped connecting rods 20, the two inverted V-shaped connecting rods 20 are respectively arranged on two sides of the rack 16, corners of the inverted V-shaped connecting rods 20 are rotatably connected with the rack 16, one end, close to the unwinding roller 18, of each inverted V-shaped connecting rod 20 is provided with a lifting groove 21, the other ends of the two inverted V-shaped connecting rods 20 are connected through a transverse connecting rod 22, the end part of each transverse connecting rod 22 is rotatably connected with one end of an extensible part 23, the other end of the extensible part 23 is rotatably arranged below the rack 16, and the extensible part 23 is an extensible cylinder.
The frame 16 of indentation mechanism 17 feeding side is last to have set gradually and to spout gluey mechanism 24, paper folding mechanism 25 and transport mechanism 26, the top of spouting gluey mechanism 24 is provided with paper folding and cuts apart sword 27, it sets up gluey head 28 and distance subassembly 29 of spouting on frame 16 including the subtend slip to spout gluey mechanism 24, it links to each other with telescopic cylinder to spout gluey head 28, spout gluey head 28's removal through telescopic cylinder control, distance subassembly 29 is located between two tip of spouting gluey head 28, locating component 29 is including being fixed in the locating piece 30 on frame 16, the equal threaded connection in both sides of locating piece 30 has roll adjustment screw 31. The glue spraying head 28, the paper folding mechanism 25, the conveying mechanism 26 and the paper folding dividing knife are all conventional structures in the prior art.
EXAMPLE six
The method of using the baffle-free air filter folder of embodiment five, comprising the steps of:
(1) The telescopic piece 23 contracts to drive the lifting groove 21 of the inverted V-shaped connecting rod 20 to move downwards, the paper folding roll is sleeved on the unwinding roller 18, the end part of the unwinding roller 18 is positioned above the lifting groove 21, the telescopic piece 23 extends, the lifting groove 21 drives the unwinding roller 18 to move upwards to the upper side of the rack 16, then the telescopic piece 23 contracts, and the unwinding roller 18 is placed on the rack 16;
(2) Rotating the trisection head 10 to adjust the distance between the driving hob 1 and the driven hob 2, wherein the driving hob 1 drives the driven hob 2 to rotate, and when the folded paper passes through the space between the driving hob 1 and the driven hob 2, indentations are formed on the filter paper through the matching of the hard cutter head 4 and the soft cutter head 5;
(3) The folded paper after indentation is cut into the required width by a paper folding cutter in sequence, glue is sprayed by a glue spraying mechanism 24, the folded paper is folded and formed by a paper folding mechanism 25, and the formed folded paper is conveyed by a transmission mechanism.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (5)

1. The utility model provides a no baffle air cleaner's indentation mechanism which characterized in that: the automatic paper feeding device comprises a driving hob (1) and a driven hob (2) matched with the driving hob (1), wherein the driving hob (1) and the driven hob (2) respectively comprise a roller (3), hard tool bits (4) are uniformly distributed on the side wall of the roller (3) at intervals along the circumferential direction, soft tool bits (5) are arranged between every two adjacent hard tool bits (4), the hard tool bits (4) of the driving hob (1) are correspondingly matched with the soft tool bits (5) of the driven hob (2), the soft tool bits (5) of the driving hob (1) are correspondingly matched with the hard tool bits (4) of the driven hob (2), and a paper feeding edge (6) of each hard tool bit (4) is an arc surface;
the hard tool bit (4) and the soft tool bit (5) are both higher than the side wall of the roller (3) along the radial direction, the radial length higher than the roller (3) is the radial tool height, the radial tool height of the hard tool bit (4) is greater than that of the soft tool bit (5), and the circumferential width of the hard tool bit (4) is smaller than that of the soft tool bit (5);
the circumferential width of the soft cutter head (5) is 5-6mm, the radial cutter height is 0.08-0.15mm, the circumferential width of the hard cutter head (4) is 1.2-1.5mm, the radial cutter height is 0.6-1.0mm, and the radius of the radian of the paper feeding edge (6) of the hard cutter head (4) is 0.3mm;
first mounting grooves (8) are uniformly distributed in the circumferential direction on the side wall of the roller (3), second mounting grooves (9) are formed in the roller (3) between every two adjacent first mounting grooves (8), the first mounting grooves (8) and the second mounting grooves (9) are arranged in the axial direction of the roller (3), the hard tool bit (4) is detachably fixed on the roller (3) through the first mounting grooves (8), and the soft tool bit (5) is detachably fixed on the roller (3) through the second mounting grooves (9);
the preparation method of the indentation mechanism of the air filter without the partition plate comprises the following steps:
(1) A first mounting groove (8) and a second mounting groove (9) are respectively machined on the peripheral side wall of the roller (3), and the first mounting groove (8) and the second mounting groove (9) are arranged along the axial direction of the roller (3);
(2) The root of the hard tool bit (4) is embedded into the first mounting groove (8), the root of the soft tool bit (5) is embedded into the second mounting groove (9), and then the roller (3) provided with the tool bit is conveyed into the correcting cylinder (15) to be corrected, so that the radial tool height of the hard tool bit (4) is ensured to be consistent;
(3) The rollers (3) on two sides of the end part of the hard tool bit (4) are extruded to form an extrusion groove (14), and the hard tool bit (4) is fixed in the first installation groove (8);
the correction cylinder (15) and the roller (3) are arranged coaxially, the inner radius of the correction cylinder (15) is gradually reduced from the feeding end to the discharging end, the inner radius of the feeding end is larger than the sum of the radial cutter heights of the outer radius hardened cutter head (4) of the roller (3), and the inner radius of the discharging end is the sum of the radial cutter heights of the outer radius hardened cutter head (4) of the roller (3).
2. A paper folder of a partition-free air filter is characterized by comprising a frame (16), wherein the frame (16) is provided with an indentation mechanism (17) as claimed in claim 1, the frame (16) on the feed side of the indentation mechanism (17) is rotatably placed on an unwinding roller (18), a feeding mechanism is arranged between the unwinding roller (18) and the indentation mechanism (17), the feeding mechanism comprises two inverted V-shaped connecting rods (20), the two inverted V-shaped connecting rods (20) are respectively arranged on two sides of the frame (16), corners of the inverted V-shaped connecting rods (20) are rotatably connected with the frame (16), one end, close to the unwinding roller (18), of each inverted V-shaped connecting rod (20) is provided with a lifting groove (21), the other end of each inverted V-shaped connecting rod is rotatably connected with one end of a telescopic piece (23), and the other end of each telescopic piece (23) is rotatably arranged below the frame (16).
3. The paper folder of the air filter without the partition board as claimed in claim 2, wherein the end of the driven hob (2) is rotatably connected with the base support, the driving hob (1) is located above the driven hob (2), bearing seats are arranged at two ends of the driving hob (1), a dividing head (10) connected with the bearing seats is arranged on the frame (16), one end of the driving hob (1) is connected with the servo motor (11), a driving gear (12) is arranged at the other end, and a driven gear meshed with the driving gear (12) is arranged at the end of the driven hob (2).
4. The paper folder of the air filter without the partition board as recited in claim 3, characterized in that a glue spraying mechanism (24), a paper folding mechanism (25) and a conveying mechanism (26) are sequentially arranged on the frame (16) on the feeding side of the indentation mechanism (17), a paper folding dividing knife (27) is arranged above the glue spraying mechanism (24), the glue spraying mechanism (24) comprises a glue spraying head (28) and a distance component (29) which are oppositely and slidably arranged on the frame (16), the distance component (29) is arranged between the end parts of the two glue spraying heads (28), the distance component (29) comprises a positioning block (30) fixed on the frame (16), and both sides of the positioning block (30) are in threaded connection with distance adjusting screws (31).
5. The method of using the baffle-free air filter folder of claim 4 comprising the steps of:
(1) The telescopic piece (23) contracts to drive the lifting groove (21) of the inverted V-shaped connecting rod (20) to move downwards, the paper folding roll is sleeved on the unwinding roller (18), the end part of the unwinding roller (18) is positioned above the lifting groove (21), the telescopic piece (23) extends, the lifting groove (21) drives the unwinding roller (18) to move upwards to the upper side of the rack (16), then the telescopic piece (23) contracts, and the unwinding roller (18) is placed on the rack (16);
(2) Rotating the dividing head (10) to adjust the distance between the driving hob (1) and the driven hob, wherein the driving hob (1) drives the driven hob (2) to rotate, and when paper is folded and passes through the space between the driving hob (1) and the driven hob (2), indentations are formed on the filter paper through the matching of the hard tool bit (4) and the soft tool bit (5);
(3) The folded paper after indentation is cut into the required width by a paper folding cutter in sequence, glue is sprayed by a glue spraying mechanism (24), the folded paper is folded and formed by a paper folding mechanism (25), and the formed folded paper is conveyed by a transmission mechanism.
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CN210361531U (en) * 2019-07-09 2020-04-21 常州润丰源纺机制造有限公司 Knife roller and chopping device with same

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CN201745220U (en) * 2010-07-29 2011-02-16 张小伟 Novel indenting device of clapboard-free air filter
CN102463460A (en) * 2010-11-08 2012-05-23 中国第一汽车集团公司 Mounting correction sleeve
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