CN113401709A - Slitting device convenient for adjusting raw materials of woven bags - Google Patents

Slitting device convenient for adjusting raw materials of woven bags Download PDF

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Publication number
CN113401709A
CN113401709A CN202110677776.7A CN202110677776A CN113401709A CN 113401709 A CN113401709 A CN 113401709A CN 202110677776 A CN202110677776 A CN 202110677776A CN 113401709 A CN113401709 A CN 113401709A
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CN
China
Prior art keywords
raw materials
device convenient
workbench
fixed
cutter
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Granted
Application number
CN202110677776.7A
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Chinese (zh)
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CN113401709B (en
Inventor
沈长青
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Anhui Tianyuan Plastic Industry Co ltd
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Anhui Tianyuan Plastic Industry Co ltd
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Priority to CN202110677776.7A priority Critical patent/CN113401709B/en
Publication of CN113401709A publication Critical patent/CN113401709A/en
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Publication of CN113401709B publication Critical patent/CN113401709B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/06Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/02Supporting web roll
    • B65H16/06Supporting web roll both-ends type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00Advancing webs
    • B65H20/02Advancing webs by friction roller
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/16Registering, tensioning, smoothing or guiding webs longitudinally by weighted or spring-pressed movable bars or rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/34Apparatus for taking-out curl from webs
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Treatment Of Fiber Materials (AREA)

Abstract

The invention relates to the technical field of woven bag slitting, and discloses a slitting device convenient for adjusting woven bag raw materials, which comprises a workbench and supporting seats arranged at the bottom of the workbench, wherein the number of the supporting seats is six, the workbench is provided with two through grooves which are longitudinally and vertically communicated, a roller is rotatably arranged in the through grooves, the top of the workbench is provided with two conveying wheels and four connecting frames which are distributed in a rectangular manner, the four connecting frames are arranged at the same side in a pairwise manner, a side sliding rail is fixed between each group of connecting frames, an expansion piece is arranged between the two side sliding rails, two cloth pressing pieces and a turning cutter piece are arranged below the expansion piece, the lower part of the turning cutter piece is arranged on the bottom surface of the workbench through an electric guide rail, and the bottom of the workbench is provided with a unwinding wheel. The invention solves the problems that the traditional cutting equipment for processing woven bags has the condition of woven bag sideslip displacement due to the vertically staggered cutting mode, so that the cutting edge uniformity is different, and the later-stage attractiveness after sewing is influenced.

Description

Slitting device convenient for adjusting raw materials of woven bags
Technical Field
The invention relates to the technical field of woven bag slitting, in particular to a slitting device convenient for adjusting raw materials of woven bags.
Background
The woven bag is also called a snakeskin bag, is one of plastic bags and is used for packaging, and the production process flow of the woven bag is that woven cloth is printed, cut and sewn into the woven bag. The cutting and then printing can be carried out or the printing and then cutting can be carried out according to different equipment. The automatic cutting and sewing can continuously complete the processes of printing, cutting, sewing and the like, and can also be used for manufacturing valve bags, bottom placing bags and the like, and flat woven fabrics can be used for manufacturing bags after being subjected to center seam bonding.
Braided bag cutting part is the guarantee of the whole size of braided bag and shape, and the reciprocating type cutting from top to bottom to the equipment utilization of braided bag cutting now, and the benefit of cutting lies in that cutting efficiency is fast like this, and the productivity is high, however, it is cutting blade whole when the cutting is whole to move down and cut comprehensively simultaneously like this, because the braided bag surface is comparatively smooth, the slip phenomenon appears in the braided bag easily during the cutting, the limit unevenness that leads to the cutting will influence the aesthetic property after the later stage is made up.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the slitting device convenient for adjusting the raw materials of the woven bag, and solves the problems that the woven bag sideslips and displaces due to the vertically staggered cutting mode of the traditional cutting equipment for processing the woven bag, so that the cutting edge uniformity is different, and the attractiveness after later sewing is influenced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cut device convenient to adjust braided bag raw materials, includes workstation and the supporting seat of setting in its bottom, supporting seat quantity is six, be equipped with two vertical and logical grooves of lining up from top to bottom on the workstation, its inside running roller that rotates is equipped with, the workstation top is equipped with the link that two transfer wheels and four rectangle distribute, four links are with two double-phase a set of in one side, be fixed with a side slide rail between every group link, set up a extensible member between the side slide rail, the extensible member below is equipped with two compress spare and turns to cutter spare, turn to cutter spare part down and set up on the workstation bottom surface through an electric guide, the bottom of workstation is equipped with one and unreels the wheel.
Preferably, the telescopic part comprises a sliding plate with two ends sliding on the two side sliding rails, a movable rod moving up and down penetrates through the sliding plate, a transverse plate for linking is fixed at the bottom end of the movable rod, a return spring is arranged outside the movable rod, and two ends of the return spring are fixed with the sliding plate and the transverse plate respectively.
Preferably, the cloth pressing piece comprises a telescopic rod fixed at the bottom of the transverse plate, a cloth pressing roller is fixed at the bottom end of the telescopic rod, a compression spring with two ends fixed on the transverse plate and the cloth pressing roller is sleeved outside the telescopic rod, and protruding rubber points which are uniformly distributed in a staggered manner are arranged on the outer circle of the cloth pressing roller.
Preferably, the steering cutter piece comprises a double-sided cutter and a fixed vertical plate, one end of the double-sided cutter is hinged to the center of the bottom of the transverse plate, the fixed vertical plate is arranged on the electric guide rail, a motor is fixed to the side wall of the fixed vertical plate, a rotating shaft is arranged on the side wall of the fixed vertical plate in a rotating mode, a small gear is fixed to an output shaft of the motor, a large gear is sleeved on the rotating shaft and meshed with the motor and the small gear, and the other end of the double-sided cutter is movably arranged on the rotating shaft.
Preferably, the inclination angle of the double-sided cutter and the horizontal plane is 45 degrees, the middle end of the cutting edge of the double-sided cutter is positioned on the horizontal plane of the top surface of the workbench, and the double-sided cutter is movably arranged in the through groove on the right side.
Preferably, be located the logical groove upper right corner in left side and set up the circular arc chamfer of hunch-up to keep smooth and quick transmission in providing the braided bag conveying, leave the clearance of running roller radius length between the left side inner wall that the running roller led to the groove with the left side, and the whole inside that is located logical groove of running roller.
Preferably, two transfer gear are located the left and right sides that the groove was led to on the right side respectively to the transfer gear excircle is equipped with the skid resistant course of rubber material, and the clearance setting of skid resistant course excircle and workstation top surface will be less than braided bag self thickness, in order to reach the purpose that compresses tightly the conveying braided bag.
Preferably, the shaft end of the unwinding wheel is provided with a driving motor, and one end of the unwinding wheel can be detached and used for replacing the raw materials of the woven bag winding drum.
Preferably, the top of the workbench is also provided with a marking graduated scale perpendicular to the unwinding wheel, and the initial section of the graduated scale is arranged at the blade of the double-sided cutter.
(III) advantageous effects
Compared with the prior art, the invention provides the slitting device convenient for adjusting the raw materials of the woven bag, which has the following beneficial effects:
1. according to the invention, through the two through grooves arranged on the workbench, the left through groove is provided with the arched cambered surface, so that smooth and rapid transmission is kept in the conveying process of the woven bag, the situation that the tight woven bag is extruded by a sharp corner to cause inward rolling is avoided, the right through groove is used for the reciprocating movement of the double-sided cutter, the double-sided cutter can be used for cutting from the side surface of the woven bag in the horizontal direction, and the cutting effect is improved.
2. According to the invention, the double-sided cutter is arranged at the position of 45 degrees during cutting, when the double-sided cutter moves, the cutting edge can pull the woven bag from the angle of an oblique side cutting angle to cut the woven bag, firstly, the cutting is smooth, the cutting edge moves horizontally, the force during cutting is towards the oblique lower corner position to drive the woven bag to slide, the cutting is smooth and efficient, and secondly, the phenomenon that the woven bag is stressed and folded due to the fact that the cutting edge is directly cut with the vertical side of the woven bag to cause uneven trimming burrs is avoided, so that the cutting quality is improved.
3. According to the invention, the large gear is matched with the small gear, the double-sided cutter is driven by the motor to adjust 90 degrees, and the double-sided cutter moves back and forth in a matched manner, so that bidirectional cutting can be realized, the cutting efficiency is improved, and the same cutting effect can be kept.
4. According to the invention, through the arrangement of the cloth pressing roller and the elastic expansion of the compression spring and the telescopic rod, the cloth to be cut in front of the double-sided cutter can be pressed in advance when the double-sided cutter cuts the woven cloth, so that the woven cloth is prevented from being extruded by a cutting acting force to generate wrinkles, the woven cloth is prevented from generating displacement, and the cutting edge smoothness of cutting is ensured.
5. The movable rod is movably arranged on the sliding plate, is not blocked when the angle of the double-sided blade is adjusted to rotate, and can keep a stable state of the double-sided cutter through the arranged return spring.
Drawings
FIG. 1 is a front view of a slitting device for conveniently adjusting raw materials of woven bags according to the present invention;
FIG. 2 is a side view of the moving left side of the double-sided cutting blade of the present invention;
FIG. 3 is a side view of the right side of the double-sided knife movement of the present invention;
FIG. 4 is a front view of the telescoping member, cloth pressing member and turning cutter member of the present invention in combination;
fig. 5 is a front view of a cloth pressing member of the present invention.
In the figure: 1 workbench, 2 rollers, 3 transmission wheels, 4 connecting frames, 5 side sliding rails, 6 telescopic parts, 61 sliding plates, 62 movable rods, 63 transverse plates, 64 return springs, 7 cloth pressing parts, 71 telescopic rods, 72 cloth pressing rollers, 73 compression springs, 8 steering cutter parts, 81 double-sided cutters, 82 fixed vertical plates, 83 motors, 84 rotating shafts, 85 pinions, 86 gearwheels, 9 electric guide rails and 10 unwinding wheels.
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 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 invention.
As shown in fig. 1 to 5, the present invention provides a technical solution: a slitting device convenient for adjusting raw materials of woven bags comprises a workbench 1 and supporting seats arranged at the bottom of the workbench, the number of the supporting seats is six, two vertical through grooves which are communicated up and down are arranged on the workbench 1, the upper right corner of the through groove at the left side is provided with an arched arc chamfer so as to keep smooth and rapid transmission in the conveying of the woven bags, the situation that the tightened woven bags are extruded by sharp corners to generate inner coils is avoided, the through groove at the right side is used for reciprocating movement of a double-sided cutter 81, the double-sided cutter 81 can be cut from the side surface of the woven bags in the horizontal direction, the cutting effect is improved, a gap with the length of a radius of a roller 2 is reserved between the roller 2 and the inner wall at the left side of the through groove at the left side, the roller 2 is wholly positioned in the through groove, a roller 2 is arranged in the through groove in the workbench 1 in a rotating manner, two conveying wheels 3 and four connecting frames 4 distributed in a rectangular manner are arranged at the top of the workbench 1, two transmission wheels 3 are respectively positioned at the left side and the right side of the right through groove, the excircle of the transmission wheel 3 is provided with an anti-slip layer made of rubber, the clearance between the excircle of the anti-slip layer and the top surface of the workbench 1 is set to be smaller than the thickness of a woven bag, so as to achieve the purpose of tightly pressing and transmitting the woven bag, four connecting frames 4 are arranged in a group at the same side, a side slide rail 5 is fixed between each group of connecting frames 4, an expansion piece 6 is arranged between the two side slide rails 5, the expansion piece 6 comprises a sliding plate 61 with two ends sliding on the two side slide rails 5, a movable rod 62 moving up and down is penetrated through the sliding plate 61, a transverse plate 63 with a linking effect is fixed at the bottom end of the movable rod 62, a reset spring 64 is arranged outside the movable rod 62, the two ends of the reset spring are respectively fixed with the sliding plate 61 and the transverse plate 63, two cloth pressing pieces 7 and a steering cutter piece 8 are arranged below the expansion piece 6, the cloth pressing piece 7 comprises a telescopic rod 71 fixed at the bottom of the transverse plate 63, a cloth pressing roller 72 is fixed at the bottom end of the telescopic rod 71, a compression spring 73 with two ends fixed on the transverse plate 63 and the cloth pressing roller 72 is sleeved outside the telescopic rod 71, the cloth pressing roller 72 can compress the cloth to be cut in advance when the double-sided cutter 81 cuts the woven cloth through the elastic expansion of the compression spring 73 and the telescopic rod 71, on one hand, the woven cloth is prevented from being extruded by the cutting acting force to generate wrinkles, on the other hand, the woven cloth is prevented from generating displacement, the trimming smoothness of cutting is ensured, the outer circle of the cloth pressing roller 72 is provided with protruding rubber points which are uniformly distributed in a staggered manner, the surface of a woven bag can be compressed at multiple points, the friction force of pressing is improved, the cutting stability is ensured, the steering cutter piece 8 comprises a double-sided cutter 81 with one end hinged at the center of the bottom of the transverse plate 63 and a fixed vertical plate 82 arranged on the electric guide rail 9, the inclination angle between the double-sided cutter 81 and the horizontal plane is 45 degrees, the middle end of the cutting edge of the double-sided cutter 81 is located on the horizontal plane of the top surface of the workbench 1, the double-sided cutter 81 is movably arranged in the through groove on the right side, a motor 83 is fixed on the side wall of the fixed vertical plate 82 and rotates to form a rotating shaft 84, a pinion 85 is fixed on an output shaft of the motor 83, a large gear 86 is sleeved on the rotating shaft 84 and is meshed with the rotating shaft 84, the large gear 86 is matched with the pinion 85 and is driven by the motor 83 to realize the ninety-degree adjustment of the double-sided cutter 81, the double-sided cutter moves back and forth in a matched mode, bidirectional cutting can be achieved, the cutting efficiency is improved, the same cutting effect can be kept at the same time, the other end of the double-sided cutter 81 is movably arranged on the rotating shaft 84, the lower portion of the turning cutter 8 is arranged on the bottom surface of the workbench 1 through an electric guide rail 9, and the bottom of the workbench 1 is provided with a unreeling wheel 10.
The shaft end of the unwinding wheel 10 is provided with a driving motor, and one end of the unwinding wheel 10 can be detached and used for replacing the raw materials of the woven bag winding drum.
The top of the working table 1 is also provided with a marking scale which is vertical to the unreeling wheel 10, and the initial section of the scale is arranged at the blade of the double-sided cutter 81.
This embodiment during operation, place braided bag reel raw materials on unreeling wheel 10, pass logical groove top running roller 2 and two transfer gear 3 with the braided bag reel's braided bag cloth again, observe the scale ration good size on the workstation 1, the position of two-sided cutter 81 has been adjusted, start electronic guide rail 9, two-sided cutter 81 is from leading to the horizontal slip in groove, tailor the braided bag, it finishes to tailor, starter motor 83 drives pinion 85 and rotates, the gear wheel 86 of interlock drives two-sided cutter 81 ninety degrees rotations after through rotating, adjust good return state, start transfer gear 3 and continue to remove the braided bag, rethread electric guide 9 takes back two-sided cutter 81 afterwards, cut once more, follow-up comes and goes back in proper order, realize high efficiency's work of cutting.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a cut device convenient to adjust braided bag raw materials, includes workstation (1) and sets up the supporting seat in its bottom, and supporting seat quantity is six, its characterized in that: be equipped with two vertical logical grooves that link up from top to bottom just on workstation (1), its inside rotation is equipped with a running roller (2), workstation (1) top is equipped with link (4) that two transfer pulleys (3) and four rectangles distribute, four link (4) are with two liang of a set of with one side, be fixed with a side slide rail (5) between every link (4), set up a extensible member (6) between side slide rail (5), extensible member (6) below is equipped with two compress spare (7) and turns to cutter spare (8), turn to cutter spare (8) lower part and set up on workstation (1) bottom surface through an electronic guide rail (9), the bottom of workstation (1) is equipped with one and unreels wheel (10).
2. A slitting device convenient for adjusting raw materials of woven bags according to claim 1, which is characterized in that: the telescopic piece (6) comprises a sliding plate (61) with two ends sliding on the two side sliding rails (5), a movable rod (62) which moves up and down penetrates through the sliding plate (61), a transverse plate (63) with a linking effect is fixed at the bottom end of the movable rod (62), a return spring (64) is arranged outside the movable rod (62), and two ends of the return spring are fixed with the sliding plate (61) and the transverse plate (63) respectively.
3. A slitting device convenient for adjusting raw materials of woven bags according to claims 1 and 2, which is characterized in that: the cloth pressing piece (7) comprises a telescopic rod (71) fixed to the bottom of the transverse plate (63), a cloth pressing roller (72) is fixed to the bottom end of the telescopic rod (71), a compression spring (73) is sleeved outside the telescopic rod (71), two ends of the compression spring are fixed to the transverse plate (63) and the cloth pressing roller (72), and protruding rubber points which are evenly distributed in a staggered mode are arranged on the outer circle of the cloth pressing roller (72).
4. A slitting device convenient for adjusting raw materials of woven bags according to claims 1 and 2, which is characterized in that: turn to cutter spare (8) and include that one end articulates two-sided cutter (81) at diaphragm (63) bottom center and one establish fixed riser (82) on electronic guide rail (9), fixed motor (83) and rotation have a pivot (84) on fixed riser (82) lateral wall, fixed pinion (85) on motor (83) output shaft, and the cover has one gear wheel (86) on pivot (84), the two interlock each other, the other end activity of two-sided cutter (81) sets up on pivot (84).
5. A cutting device convenient for adjusting raw materials of woven bags according to claim 4, characterized in that: the inclination angle of the double-sided cutter (81) and the horizontal plane is 45 degrees, the middle end of the cutting edge of the double-sided cutter (81) is positioned at the horizontal plane of the top surface of the workbench (1), and the double-sided cutter (81) moves inside the through groove on the right side.
6. A slitting device convenient for adjusting raw materials of woven bags according to claim 1, which is characterized in that: be located the logical groove upper right corner on left and set up the circular arc chamfer into hunch-up to keep in the braided bag conveying smooth and quick transmission, running roller (2) and the left side lead to leave the clearance of running roller (2) radius length between the left side inner wall in groove, and running roller (2) whole inside that is located logical groove.
7. A slitting device convenient for adjusting raw materials of woven bags according to claim 1, which is characterized in that: two transfer gear (3) are located the left and right sides that the groove was led to on the right side respectively to transfer gear (3) excircle is equipped with the skid resistant course of rubber material, and the clearance setting of skid resistant course excircle and workstation (1) top surface will be less than braided bag self thickness, in order to reach the purpose that compresses tightly the conveying braided bag.
8. A slitting device convenient for adjusting raw materials of woven bags according to claim 1, which is characterized in that: the shaft end of the unwinding wheel (10) is provided with a driving motor, and one end of the unwinding wheel (10) can be detached and used for replacing the raw materials of the woven bag winding drum.
9. A slitting device convenient for adjusting raw materials of woven bags according to claim 1, which is characterized in that: the top of the workbench (1) is also provided with a marking graduated scale vertical to the unreeling wheel (10), and the initial section of the graduated scale is arranged at the blade of the double-sided cutter (81).
CN202110677776.7A 2021-06-18 2021-06-18 Cutting device convenient to adjust braided bag raw materials Active CN113401709B (en)

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CN202110677776.7A CN113401709B (en) 2021-06-18 2021-06-18 Cutting device convenient to adjust braided bag raw materials

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Application Number Priority Date Filing Date Title
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CN113401709B CN113401709B (en) 2023-09-19

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Publication number Priority date Publication date Assignee Title
CN114407434A (en) * 2021-12-31 2022-04-29 苏州市华事达印刷包装有限公司 Automatic bag making machine

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US1972992A (en) * 1931-07-17 1934-09-11 United Shoe Machinery Corp Bag sewing machine
US3527633A (en) * 1965-02-22 1970-09-08 Centra Anstalt Machine for the automatic controlled manufacture and output of plastic bags
US4441396A (en) * 1980-09-03 1984-04-10 Societe Mercier Freres Slitting machine, more particularly for hides and leather, unwoven textile products, rubber products, plastics in plates or rolls
CN108792744A (en) * 2017-04-28 2018-11-13 郑州金谷粮食机械工程设备有限公司 Woven bag entire volume bag making device
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Denomination of invention: A slitting device that facilitates the adjustment of woven bag raw materials

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