CN112431016A - Non-woven fabric trimming and separating device and using method thereof - Google Patents

Non-woven fabric trimming and separating device and using method thereof Download PDF

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Publication number
CN112431016A
CN112431016A CN202011000175.4A CN202011000175A CN112431016A CN 112431016 A CN112431016 A CN 112431016A CN 202011000175 A CN202011000175 A CN 202011000175A CN 112431016 A CN112431016 A CN 112431016A
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CN
China
Prior art keywords
woven fabric
hot
trimming
conveying
starting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011000175.4A
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Chinese (zh)
Inventor
朱晨萍
高钦源
瞿海燕
黄丽华
吉亚萍
吴云芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Tongzhou Jianghua Weaving Co ltd
Original Assignee
Nantong Tongzhou Jianghua Weaving Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Tongzhou Jianghua Weaving Co ltd filed Critical Nantong Tongzhou Jianghua Weaving Co ltd
Priority to CN202011000175.4A priority Critical patent/CN112431016A/en
Publication of CN112431016A publication Critical patent/CN112431016A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06HMARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/04Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
    • D06H7/06Removing selvedge edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action

Abstract

The invention discloses a non-woven fabric trimming and separating device and a using method thereof, and the non-woven fabric trimming and separating device comprises an operating platform, wherein a transverse linear guide rail, an electric heating plate, a conveying mechanism and a cutter mechanism are respectively arranged on the operating platform, a mounting seat is arranged on a sliding block of the transverse linear guide rail, a pushing cylinder is arranged on the mounting seat, a supporting plate is arranged at the piston end of the pushing cylinder, a supporting column is arranged on the supporting plate, a hot pressing mechanism is arranged at the front end part of the supporting column, the electric heating plate is arranged right below the hot pressing mechanism, the electric heating plate is embedded and arranged on the operating platform, and the hot pressing mechanism moves in the range. According to the invention, the position of the hot pressing wheel is changed by arranging the transverse linear guide rail and the pushing cylinder, and the position of the trimming knife is changed by the sliding table, so that the trimming position can be adjusted according to the size of the non-woven fabric in actual production, the application range of the device is enlarged, and the convenience in operation is improved.

Description

Non-woven fabric trimming and separating device and using method thereof
Technical Field
The invention relates to the technical field of non-woven fabric processing, in particular to a non-woven fabric trimming and separating device and a using method thereof.
Background
The non-woven fabric is also called non-woven fabric, is formed from oriented or random fibre, is a new generation of environment-protecting material, and has the characteristics of moisture-proofing, air-permeability, flexibility, light weight, no combustion-supporting, easy decomposition, non-toxic, non-irritating, rich colour, low cost and can be cyclically reused, etc.
Need carry out the deburring separation in the non-woven fabrics production process, current non-woven fabrics deburring separator is not convenient for adjust, and the operation is very inconvenient, and the non-woven fabrics easily takes place the fold at the deburring in-process moreover, seriously influences product quality.
Disclosure of Invention
The invention aims to provide a non-woven fabric trimming and separating device and a using method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a non-woven fabrics deburring separator, includes the operation panel, and its innovation point lies in: set up horizontal linear guide, electric plate, conveying mechanism and cutter mechanism on the operation panel respectively, set up the mount pad on horizontal linear guide's the slider, set up the propulsion jar on the mount pad, the piston end that advances the jar sets up the layer board, set up the support column on the layer board, the front end portion of support column sets up hot pressing mechanism, set up the electric plate under hot pressing mechanism, the electric plate is inlayed and is installed on the operation panel, hot pressing mechanism is at the within range activity of electric plate.
Further, hot press mechanism is including fixing the mount pad on the support column, fixed driving motor, bearing frame and a pair of guide rail of setting on the mount pad, the last screw rod that sets up of driving motor, the screw rod is connected with the bearing frame, the guide rail is located the screw rod left and right sides, set up the guide block on the guide rail, guide block and screw rod threaded connection, set up the cylinder on the guide block, fixed hot pinch roller that sets up on the piston rod of cylinder.
Further, the conveying mechanism comprises a pair of bases arranged on the operating table, longitudinal linear guide rails are arranged on the bases, a suspension plate is arranged between the sliding blocks of the two longitudinal linear guide rails, a plurality of conveying rollers and rotating motors which are distributed in an arrayed mode are arranged at the bottom of the suspension plate respectively, a conveying belt is arranged between the conveying rollers, a driven wheel is arranged on one of the conveying rollers, a driving wheel is arranged on an output shaft of the rotating motor, and the driving wheel is in transmission connection with the driven wheel through a belt; the cutter mechanism is positioned between the two bases.
Further, the cutter mechanism comprises a sliding chute transversely formed in the operating platform, a sliding table is arranged in the sliding chute, the sliding table is driven by a motor and a screw rod, and a trimming cutter is arranged on the sliding table; the sliding table is located between the two bases.
Further, still include rim charge absorption mechanism, rim charge absorption mechanism includes vacuum pump, collecting box and suction nozzle, the suction nozzle sets up on the slip table, and towards the deburring sword, the suction nozzle passes through elastic flexible hose and vacuum pump connection.
The application method of the non-woven fabric trimming and separating device is characterized by comprising the following steps:
s1, starting a transverse linear guide rail and a pushing cylinder according to the size and production requirements of the non-woven fabric, and moving the hot-pressing mechanism to a proper position;
s2, starting a rotating motor according to the size and production requirements of the non-woven fabric, and moving the trimming knife to a proper position by the sliding table under the action of the screw rod;
s3, turning on a switch of the electric hot plate, and starting a hot-pressing mechanism, wherein a driving motor is started to drive a screw to rotate, the screw drives a guide block to move downwards, the guide block drives an air cylinder to move downwards, the air cylinder drives a hot-pressing wheel to move downwards, the hot-pressing wheel presses the non-woven fabric on the outer wall of the electric hot plate, and the non-woven fabric is moved to be subjected to hot-pressing edge sealing;
s4, starting a conveying mechanism, specifically, starting a longitudinal linear guide rail to drive a suspension plate to move downwards, simultaneously driving a conveying roller to move downwards, pressing the non-woven fabric by a conveying belt, starting a rotating motor, driving the non-woven fabric to move by the conveying belt through transmission of a driving wheel and a driven wheel, and cutting off the rim charge by a trimming knife;
s5, starting the rim charge absorbing mechanism, specifically, starting the vacuum pump, and conveying the cut rim charge into the collecting box through the elastic telescopic hose by the suction nozzle.
After adopting the structure, the invention has the beneficial effects that:
1. according to the invention, the position of the hot pressing wheel is changed by arranging the transverse linear guide rail and the pushing cylinder, and the position of the trimming knife is changed by the sliding table, so that the trimming position can be adjusted according to the size of the non-woven fabric in actual production, the application range of the device is enlarged, and the convenience in operation is improved;
2. according to the invention, the conveying mechanism capable of moving up and down is arranged, so that the height of the conveying roller can be adjusted according to the actual thickness of the non-woven fabric, the non-woven fabric is kept to be compressed, the phenomenon that the non-woven fabric is wrinkled in the trimming process is favorably improved, and the product quality is favorably improved.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a structural diagram of a hot press mechanism according to the present invention;
FIG. 3 is a schematic structural view of a conveying mechanism according to the present invention;
fig. 4 is a side view of the conveying mechanism of the present invention.
Description of reference numerals:
the device comprises an operation table 1, a transverse linear guide rail 2, an electric heating plate 3, a conveying mechanism 4, a base 41, a longitudinal linear guide rail 42, a suspension plate 43, a conveying roller 44, a rotating motor 45, a conveying belt 46, a driven wheel 47, a driving wheel 48, a cutter mechanism 5, a sliding table 51, a motor 52, a screw rod 53, an edging cutter 54, a mounting seat 6, a pushing cylinder 7, a supporting plate 8, a supporting column 9, a hot pressing mechanism 10, a mounting seat 101, a driving motor 102, a bearing seat 103, a guide rail 104, a screw rod 105, a guide block 106, an air cylinder 107, a hot pressing wheel 108, a material absorbing mechanism 11, a vacuum pump 111, a collecting box 112, a suction nozzle 113.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-4, a non-woven fabric trimming and separating device comprises an operating platform 1, wherein a transverse linear guide rail 2, an electric heating plate 3, a conveying mechanism 4 and a cutter mechanism 5 are respectively arranged on the operating platform 1, a mounting seat 6 is arranged on a sliding block of the transverse linear guide rail 1, a pushing cylinder 7 is arranged on the mounting seat 6, a supporting plate 8 is arranged at a piston end of the pushing cylinder 7, a supporting column 9 is arranged on the supporting plate 8, a hot pressing mechanism 10 is arranged at the front end part of the supporting column 9, the electric heating plate 3 is arranged right below the hot pressing mechanism 10, the electric heating plate 3 is embedded and installed on the operating platform 1, and the hot pressing mechanism 10 moves within the range of the electric. Specifically, the non-woven fabric sequentially passes through the space between the hot pressing mechanism 10 and the electric heating plate 3 and then is conveyed by the conveying mechanism 4, and the non-woven fabric is improved and trimmed by the cutter mechanism 5 during conveying; the hot-pressing mechanism 10 is subjected to position adjustment under the action of the transverse linear guide rail 2 and the pushing cylinder 7, the adjustment range is within the range of the electric heating plate 3, the trimming position can be adjusted according to the size of the non-woven fabric in actual production, the application range of the device is enlarged, and the operation convenience is improved; the upper surface of the electric heating plate 3 is flush with the upper surface of the operation table 1.
In this embodiment, the hot pressing mechanism 10 includes a mounting base 101 fixed on the supporting column 9, a driving motor 102, a bearing seat 103 and a pair of guide rails 104 are fixedly disposed on the mounting base 101, a screw 105 is disposed on the driving motor 102, the screw 105 is connected with the bearing seat 103, the guide rails 104 are disposed on the left and right sides of the screw 105, a guide block 106 is disposed on the guide rails 104, the guide block 106 is in threaded connection with the screw 105, an air cylinder 107 is disposed on the guide block 106, and a hot pressing wheel 108 is fixedly disposed on a piston rod of the air cylinder 107. Starting the driving motor 102 to drive the screw 105 to rotate, driving the guide block 106 to move downwards by the screw 105, driving the air cylinder 107 to move downwards by the guide block 106, driving the hot pressing wheel 108 to move downwards by the air cylinder 107, pressing the non-woven fabric on the outer wall of the electric heating plate by the hot pressing wheel 108, and performing hot pressing and edge sealing along with the movement of the non-woven fabric; the secondary pressing can be realized by adopting the driving motor 102, the screw 105 and the air cylinder 107, and the quality of hot-pressing edge sealing is ensured.
In this embodiment, the conveying mechanism 4 includes a pair of bases 41 installed on the operating table, the bases 41 are each provided with a longitudinal linear guide 42, a suspension plate 43 is provided between the sliders of the two longitudinal linear guides, the bottom of the suspension plate 43 is respectively provided with a plurality of conveying rollers 44 and rotating motors 45 arranged and distributed, a conveying belt 46 is provided between the conveying rollers 44, one of the conveying rollers is provided with a driven wheel 47, an output shaft of the rotating motor 45 is provided with a driving wheel 48, and the driving wheel 48 is in transmission connection with the driven wheel 47 through a belt; the cutter mechanism 5 is located between the two bases 41. The longitudinal linear guide rail 42 is started to drive the suspension plate 43 to move downwards, meanwhile, the conveying roller 44 is driven to move downwards, the conveying belt 46 compresses the non-woven fabric, the rotating motor 45 is started, and the conveying belt 44 drives the non-woven fabric to move through transmission of the driving wheel 48 and the driven wheel 47.
In this embodiment, the cutter mechanism 5 includes a sliding slot transversely formed on the operating table, a sliding table 51 is arranged in the sliding slot, the sliding table 51 is driven by a motor 52 and a screw rod 53, and a trimming knife 54 is arranged on the sliding table 52; the slide table 52 is located between the two bases 41. The connection relationship among the sliding table 51, the motor 52 and the lead screw 53 is the prior art, and is not described in detail in the present application; the trimming knife 54 is adjusted under the action of the sliding table 51, the motor 52 and the lead screw 53, the trimming position can be adjusted according to the size of the non-woven fabric in actual production, the application range of the device is enlarged, and the operation convenience is improved.
In this embodiment, the scrap collecting mechanism 11 is further included, the scrap collecting mechanism 11 includes a vacuum pump 111, a collecting box 112 and a suction nozzle 113, the suction nozzle 113 is disposed on the sliding table 52 and faces the trimming blade 54, and the suction nozzle 113 is connected to the vacuum pump 111 through an elastic flexible hose 114. Starting the vacuum pump 111, and conveying the cut scraps into the collection box 112 by the suction nozzle 113 through the elastic telescopic hose 114; the suction nozzle 113 can move along with the sliding table 52 to ensure that the position of the suction nozzle is relatively fixed with the position of the trimming knife 54; a baffle plate can be arranged between the suction nozzle 113 and the non-woven fabric, so that the production of the non-woven fabric is prevented from being influenced.
The use method of the non-woven fabric trimming and separating device comprises the following steps:
s1, starting a transverse linear guide rail and a pushing cylinder according to the size and production requirements of the non-woven fabric, and moving the hot-pressing mechanism to a proper position;
s2, starting a rotating motor according to the size and production requirements of the non-woven fabric, and moving the trimming knife to a proper position by the sliding table under the action of the screw rod;
s3, turning on a switch of the electric hot plate, and starting a hot-pressing mechanism, wherein a driving motor is started to drive a screw to rotate, the screw drives a guide block to move downwards, the guide block drives an air cylinder to move downwards, the air cylinder drives a hot-pressing wheel to move downwards, the hot-pressing wheel presses the non-woven fabric on the outer wall of the electric hot plate, and the non-woven fabric is moved to be subjected to hot-pressing edge sealing;
s4, starting a conveying mechanism, specifically, starting a longitudinal linear guide rail to drive a suspension plate to move downwards, simultaneously driving a conveying roller to move downwards, pressing the non-woven fabric by a conveying belt, starting a rotating motor, driving the non-woven fabric to move by the conveying belt through transmission of a driving wheel and a driven wheel, and cutting off the rim charge by a trimming knife;
s5, starting the rim charge absorbing mechanism, specifically, starting the vacuum pump, and conveying the cut rim charge into the collecting box through the elastic telescopic hose by the suction nozzle.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides a non-woven fabrics deburring separator, includes the operation panel, its characterized in that: set up horizontal linear guide, electric plate, conveying mechanism and cutter mechanism on the operation panel respectively, set up the mount pad on horizontal linear guide's the slider, set up the propulsion jar on the mount pad, the piston end that advances the jar sets up the layer board, set up the support column on the layer board, the front end portion of support column sets up hot pressing mechanism, set up the electric plate under hot pressing mechanism, the electric plate is inlayed and is installed on the operation panel, hot pressing mechanism is at the within range activity of electric plate.
2. The non-woven fabric trimming and separating device according to claim 1, wherein: the hot pressing mechanism comprises a mounting seat fixed on a support column, a driving motor, a bearing seat and a pair of guide rails are fixedly arranged on the mounting seat, a screw is arranged on the driving motor and connected with the bearing seat, the guide rails are positioned on the left side and the right side of the screw, a guide block is arranged on the guide rails and in threaded connection with the screw, an air cylinder is arranged on the guide block, and a hot pressing wheel is fixedly arranged on a piston rod of the air cylinder.
3. The non-woven fabric trimming and separating device according to claim 1, wherein: the conveying mechanism comprises a pair of bases arranged on an operation table, wherein longitudinal linear guide rails are arranged on the bases, a suspension plate is arranged between slide blocks of the two longitudinal linear guide rails, the bottom of the suspension plate is respectively provided with a plurality of conveying rollers and rotating motors which are distributed in an arrayed manner, a conveying belt is arranged between the conveying rollers, a driven wheel is arranged on one of the conveying rollers, an output shaft of the rotating motor is provided with a driving wheel, and the driving wheel is in transmission connection with the driven wheel through a belt; the cutter mechanism is positioned between the two bases.
4. The non-woven fabric trimming and separating device according to claim 1, wherein: the cutter mechanism comprises a sliding chute which is transversely arranged on the operating platform, a sliding table is arranged in the sliding chute, the sliding table is driven by a motor and a screw rod, and a trimming knife is arranged on the sliding table; the sliding table is located between the two bases.
5. The nonwoven fabric edge-trimming and separating apparatus according to claim 1 or 4, wherein: still include rim charge absorption mechanism, rim charge absorption mechanism includes vacuum pump, collecting box and suction nozzle, the suction nozzle sets up on the slip table, and towards the deburring sword, the suction nozzle passes through elastic flexible hose and vacuum pump connection.
6. The use method of the non-woven fabric trimming and separating device according to claim 1, characterized by comprising the following steps:
s1, starting a transverse linear guide rail and a pushing cylinder according to the size and production requirements of the non-woven fabric, and moving the hot-pressing mechanism to a proper position;
s2, starting a rotating motor according to the size and production requirements of the non-woven fabric, and moving the trimming knife to a proper position by the sliding table under the action of the screw rod;
s3, turning on a switch of the electric hot plate, and starting a hot-pressing mechanism, wherein a driving motor is started to drive a screw to rotate, the screw drives a guide block to move downwards, the guide block drives an air cylinder to move downwards, the air cylinder drives a hot-pressing wheel to move downwards, the hot-pressing wheel presses the non-woven fabric on the outer wall of the electric hot plate, and the non-woven fabric is moved to be subjected to hot-pressing edge sealing;
s4, starting a conveying mechanism, specifically, starting a longitudinal linear guide rail to drive a suspension plate to move downwards, simultaneously driving a conveying roller to move downwards, pressing the non-woven fabric by a conveying belt, starting a rotating motor, driving the non-woven fabric to move by the conveying belt through transmission of a driving wheel and a driven wheel, and cutting off the rim charge by a trimming knife;
s5, starting the rim charge absorbing mechanism, specifically, starting the vacuum pump, and conveying the cut rim charge into the collecting box through the elastic telescopic hose by the suction nozzle.
CN202011000175.4A 2020-09-22 2020-09-22 Non-woven fabric trimming and separating device and using method thereof Pending CN112431016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011000175.4A CN112431016A (en) 2020-09-22 2020-09-22 Non-woven fabric trimming and separating device and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011000175.4A CN112431016A (en) 2020-09-22 2020-09-22 Non-woven fabric trimming and separating device and using method thereof

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Publication Number Publication Date
CN112431016A true CN112431016A (en) 2021-03-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115839008A (en) * 2023-01-18 2023-03-24 连云港连泰滤材有限公司 Automatic production line and production process for industrial filter cloth

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB147164A (en) * 1916-08-30 1921-12-07 Goodyear Tire & Rubber Machines for trimming selvages
SU592894A1 (en) * 1972-10-27 1978-02-15 Каунасский Политехнический Институт Needling machine
CN204058979U (en) * 2014-04-04 2014-12-31 长兴县志纬服装辅料有限公司 A kind of nonwoven fabric rim charge cutting retracting device
CN204136541U (en) * 2014-08-28 2015-02-04 天津博信汽车零部件有限公司 A kind of non-woven fabrics hot-press arrangement
CN206495090U (en) * 2017-01-22 2017-09-15 广东恒通无纺布有限公司 A kind of suction rim charge device of non-woven fabric production equipment
CN207846032U (en) * 2017-12-18 2018-09-11 苏州美尔科自动化设备有限公司 A kind of medical non-woven fabrics hot melt edge banding machine
CN207919157U (en) * 2018-02-11 2018-09-28 佛山市南海佳缎无纺布有限公司 A kind of automatic trimming separator producing non-woven cloth products
CN208346544U (en) * 2018-06-30 2019-01-08 江苏索富达无纺布有限公司 A kind of non-woven fabrics cutting equipment
CN211036511U (en) * 2019-08-06 2020-07-17 温州恒基包装有限公司 Non-woven fabrics bead cutter
CN211340188U (en) * 2019-10-21 2020-08-25 青岛昱明纺织机械有限公司 Automatic trimming and separating device for non-woven fabric

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB147164A (en) * 1916-08-30 1921-12-07 Goodyear Tire & Rubber Machines for trimming selvages
SU592894A1 (en) * 1972-10-27 1978-02-15 Каунасский Политехнический Институт Needling machine
CN204058979U (en) * 2014-04-04 2014-12-31 长兴县志纬服装辅料有限公司 A kind of nonwoven fabric rim charge cutting retracting device
CN204136541U (en) * 2014-08-28 2015-02-04 天津博信汽车零部件有限公司 A kind of non-woven fabrics hot-press arrangement
CN206495090U (en) * 2017-01-22 2017-09-15 广东恒通无纺布有限公司 A kind of suction rim charge device of non-woven fabric production equipment
CN207846032U (en) * 2017-12-18 2018-09-11 苏州美尔科自动化设备有限公司 A kind of medical non-woven fabrics hot melt edge banding machine
CN207919157U (en) * 2018-02-11 2018-09-28 佛山市南海佳缎无纺布有限公司 A kind of automatic trimming separator producing non-woven cloth products
CN208346544U (en) * 2018-06-30 2019-01-08 江苏索富达无纺布有限公司 A kind of non-woven fabrics cutting equipment
CN211036511U (en) * 2019-08-06 2020-07-17 温州恒基包装有限公司 Non-woven fabrics bead cutter
CN211340188U (en) * 2019-10-21 2020-08-25 青岛昱明纺织机械有限公司 Automatic trimming and separating device for non-woven fabric

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115839008A (en) * 2023-01-18 2023-03-24 连云港连泰滤材有限公司 Automatic production line and production process for industrial filter cloth
CN115839008B (en) * 2023-01-18 2024-01-05 连云港连泰滤材有限公司 Industrial filter cloth automatic production line and production process

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Application publication date: 20210302

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