CN107813145A - It is a kind of to wrap up in circular knitting machine for oily filter machine filter net - Google Patents

It is a kind of to wrap up in circular knitting machine for oily filter machine filter net Download PDF

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Publication number
CN107813145A
CN107813145A CN201711243192.9A CN201711243192A CN107813145A CN 107813145 A CN107813145 A CN 107813145A CN 201711243192 A CN201711243192 A CN 201711243192A CN 107813145 A CN107813145 A CN 107813145A
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CN
China
Prior art keywords
belt wheel
circular knitting
filter
knitting machine
filter screen
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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.)
Granted
Application number
CN201711243192.9A
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Chinese (zh)
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CN107813145B (en
Inventor
赵奇
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.)
Zhongyang County Shengwang Edible Oil Processing Co ltd
Original Assignee
Chongqing Haiguo Technology Co Ltd
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Priority to CN201711243192.9A priority Critical patent/CN107813145B/en
Publication of CN107813145A publication Critical patent/CN107813145A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

Present invention offer is a kind of to wrap up in circular knitting machine, including support for oily filter machine filter net, is provided with workbench and raw material frame on the support side by side, and the workbench includes the rectangular frame being fixed on support, rotated on rectangular frame close to raw material frame side and be provided with reversing drum;Installing plate is connected with rectangular frame, is provided with the middle part of installing plate and wraps up in circular knitting machine structure;Drive mechanism is provided with the support inside rectangular frame, drive mechanism driving wraps up in circular knitting machine structure and filter screen is carried out to wrap up in circle;The installing plate is provided with the cutting machine structure for being used for cutting filter screen close to the position of rotating mechanism, and the mash welder of alignment ledge structure is additionally provided with installing plate.Solving existing filter screen and wrapping up in bowlder needs more people to participate in jointly, causes processing efficiency low and easily allow filter screen to deform during wrapping up in circle the problem of.

Description

It is a kind of to wrap up in circular knitting machine for oily filter machine filter net
Technical field
The present invention relates to oily filter machine filter net processing technique field, and in particular to a kind of to wrap up in circular knitting machine for oily filter machine filter net.
Background technology
Filter screen is the core component in oily filter machine, in order to increase the logical oil mass of oily filter machine and filter effect, generally by filter screen Edge sealing welding is carried out after being processed into column structure, filter core is arranged on inside columnar filter screen and filtered, so that after assembling The size of filter assemblies meets the installation requirement of oily filter machine shell.Existing filter screen is wrapped up in sired results sequence, passes through multiple fixed diameters The skeleton of size is positioned, and filter screen is fixed on skeleton, so as to form column structure, but skeleton meeting in welding process It is moved, easily causes whole filter screen and deformed during circle is wrapped up in, and existing processing mode needs two or more Operating personnel together carry out, cause the production time to grow, the ropy problem of manual welding.
The content of the invention
For the deficiency in the presence of prior art, the invention provides a kind of circular knitting machine of wrapping up in for oily filter machine filter net, solution Existing filter screen of having determined, which wraps up in bowlder, needs more people to participate in jointly, wraps up in the problem of easily allowing filter screen to deform during justifying.
To achieve the above object, present invention employs following technical scheme:It is a kind of to wrap up in circular knitting machine for oily filter machine filter net, Including support, workbench and raw material frame are provided with the support side by side, the workbench includes the rectangle frame being fixed on support Frame, rotated close to raw material frame side on rectangular frame and be provided with reversing drum;Installing plate, installing plate middle part are connected with rectangular frame Provided with circular knitting machine structure is wrapped up in, the circular knitting machine structure of wrapping up in includes rotation seat, rotary shaft, sizing roller, rotation belt wheel, and sizing roller includes symmetrical The first half rollers and the second half rollers, the first half rollers are affixed on the rotating shaft, and the second half rollers are detachably connected on rotation On axle, the first half rollers and the second half roller opposite sides are provided with and are equipped with ledge structure, and the rotary shaft is rotatably installed in On dynamic seat, driving shaft stretches out the affixed rotation belt wheel in rotation seat side;
Be provided with drive mechanism on the support inside the rectangular frame, drive mechanism including vibration-free tables, speed-down belt pulley group, Motor, deceleration seat, wherein vibration-free tables are fixed on support, and deceleration seat is fixed on vibration-free tables and under rotation belt wheel Side, speed reducing pulley is rotatably installed on deceleration seat, and speed-down belt pulley group includes rotating shaft, one-level belt wheel, two level belt wheel, one-level belt wheel and Two level belt wheel interval is fixed in rotating shaft;The motor is arranged on the vibration-free tables of deceleration seat side, the drive of motor Driving pulley is connected with moving axis, the driving pulley is connected with one-level belt wheel by one-level belt, two level belt wheel and rotational band Connected between wheel by second belt;
The installing plate is provided with the cutting machine structure for being used for cutting filter screen close to the position of rotating mechanism;It is additionally provided with installing plate The mash welder of alignment ledge structure.
In use, filter screen raw material are placed into raw material frame, skeleton is covered on the ledge structure at the middle part of sizing roller, And be fixed on one end of filter screen in the outer circumference of sizing roller, drive sizing roller to turn on rotation seat by motor It is dynamic, and filter screen is welded on skeleton by electric welding machine, so as to pull outer circumference face of the filter screen along sizing roller to be twined Around, after the rotation for roller of shaping is turned around, start material reducing mechanism and filter screen is cut off, the filter screen end after cut-out and filter screen head End fitting, again driving sizing roller rotate, remaining unwelded part is carried out it is perfect, after whole lap welding connects, by second Half roller with wrap up in that the pillared filter screen of circle is whole to be removed, carry out follow-up joint close welding, after the second half rollers are reinstalled On the rotating shaft.By the positioning for roller of shaping, quickly filter screen overall structure can be shaped, and is carried out by electric welding machine It is welded and fixed.
Compared to prior art, the present invention has the advantages that:
1st, according to oil filter shell installation dimension design typification roller diameter so that filter screen sizing roller on rotate The column structure formed meets installation requirement within one week, and sizing roller is divided into symmetrical the first half roller, the second half rollers, and allows The second half rollers can be detachably connected in rotary shaft, are realized and are arranged skeleton between the first half rollers, the second half rollers, and And can allow it is affixed follow filter screen to be rotated on sizing roller, welded by mash welder to affixed with filter screen, so that fixed column The shape of shape filter screen, it is allowed to meet installation requirement;
2nd, after drive mechanism is by deceleration, increase the rotatory force of sizing roller, velocity of rotation reduces so that sizing roller Velocity of rotation meet the operating rate of electric welding machine, ensure that sizing roller rotates a circle and filter screen is shaped;
3rd, cutting machine structure on a mounting board carries out neat cut-out to filter screen, avoids wrapping up in bowlder progress deburring next time Processing, ensure that joint close position does not have to processing in addition, meet welding requirements.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of present invention sizing roller;
Fig. 3 is the structural representation of speed-down belt pulley group of the present invention;
Fig. 4 is partial enlargement structural representation at A in Fig. 1;
Fig. 5 is partial enlargement structural representation at B in Fig. 1.
In figure, support 1, rectangular frame 2, installing plate 3, reversing drum 30, wrap up in circular knitting machine structure 4, rotation seat 41, rotary shaft 42, Shape roller 43, the first half rollers 431, the second half rollers 432, rotate belt wheel 44, ledge structure 45, drive mechanism 5, vibration-free tables 51st, speed-down belt pulley group 52, rotating shaft 521, one-level belt wheel 522, two level belt wheel 523, motor 53, deceleration seat 54, one-level belt wheel 55th, one-level belt 56, second belt 57, electric welding machine 6, raw material frame 7, adjustable plate 8, bar hole 80, dispensing shaft 81, support frame 9, lock Tight mechanism 10, locking sleeve 101, deep floor 102, locking latch 103, projection 1030, spring 104, cutting machine structure 11, slip Seat 111, micromachine 112, cutting sheet 113, fluid pressure drive device 114, slide bar 115.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
As shown in Fig. 1~Fig. 5, it is of the present invention it is a kind of wrap up in circular knitting machine, including support 1 for oily filter machine filter net, it is described Workbench and raw material frame 7 are provided with support 1 side by side, wherein raw material frame 7 includes support frame, and the both sides of support frame are equipped with tune Plate 8 is saved, the middle part of adjustable plate 8 rotates the dispensing shaft 81 for being provided with and being used for installing filter screen raw material, will when per secondary processing columnar filter screen Filter screen raw material are enclosed on dispensing shaft 81, drive dispensing shaft 81 to rotate after filter screen is dragged, so as to be put to filter screen raw material Material;In order to be supported to adjustable plate 8, ensure that adjustable plate 8 has good bearing capacity, be provided with and be used in the both sides of raw material frame 7 The support frame 9 of adjustable plate 8 is supported, for the ease of the installation of support frame 9, the cross sectional shape of support frame 9 is designed to Z-shaped knot Structure, while ensureing the bearing strength of support frame 9, meet the effect of Fast Installation;For the ease of being carried out to the height of adjustable plate 8 Regulation, the both ends of adjustable plate 8 offer bar hole 80, are easy to adjust up and down.
Workbench includes the rectangular frame 2 being fixed on support 1, rotates and is provided with close to the side of raw material frame 7 on rectangular frame 2 Reversing drum 30, reversing drum 30 can be changed to the trend of filter screen, and ensure that filter screen can be stablized in raw material frame 7 Rotation;Installing plate 3 is connected with rectangular frame 2, the middle part of installing plate 3, which is provided with, wraps up in circular knitting machine structure 4, and wrapping up in circular knitting machine structure 4 includes rotating Seat 41, rotary shaft 42, sizing roller 43, rotate belt wheel 44, sizing roller 43 includes symmetrical the first half roller 431 and the second half Roller 432, the first half rollers 431 are fixed in rotary shaft 42, and the second half rollers 432 are detachably connected in rotary shaft 42, and Rotation stop is carried out to the second half rollers 432 by spline, ensures that the second half rollers 432 can follow the synchronous axial system of rotary shaft 42, the Half roller 431 and the second half opposite sides of roller 432, which are provided with, is equipped with ledge structure 45, and the rotary shaft 42 is rotatably installed in On rotation seat 41, rotary shaft 42 stretches out the affixed rotation belt wheel 44 in position of the side of rotation seat 41;Rotating the peace below belt wheel 44 Through hole is offered in loading board 3, belt can be passed through.
Drive mechanism 5 is provided with positioned at the inside of rectangular frame 2 on support 1, drive mechanism 5 includes vibration-free tables 51, speed reducing pulley Group 52, motor 53, deceleration seat 54, wherein vibration-free tables 51 are fixed on support 1, and deceleration seat 54 is fixed on vibration-free tables 51 simultaneously Positioned at the lower section of belt wheel 44 is rotated, speed reducing pulley is rotatably installed on deceleration seat 54, and speed-down belt pulley group 52 includes rotating shaft 521, one-level Belt wheel 55522, two level belt wheel 523, one-level belt wheel 55522 and the interval of two level belt wheel 523 are fixed in rotating shaft 521;The driving Motor 53 is arranged on the vibration-free tables 51 of the side of deceleration seat 54, and driving pulley is connected with the drive shaft of motor 53, described Driving pulley is connected with one-level belt wheel 55522 by one-level belt 56, passes through two level between two level belt wheel 523 and rotation belt wheel 44 Belt 57 connects, and second belt 57 can ensure the normal rotation in through-holes of second belt 57 through through hole on installing plate 3;For When ensureing that driving sizing roller 43 rotates, ensure that velocity of rotation meets speed of welding, also can guarantee that the rotation of sizing roller 43 Angle is controllable, and motor 53 uses stepper motor, and the rotational angle of motor 53 can be made controllable.
Installing plate 3 is provided with the cutting machine structure 11 for being used for cutting filter screen close to the position of rotating mechanism, and cutting machine structure 11 includes Sliding seat 111, micromachine 112, cutting sheet 113, fluid pressure drive device 114, in order to be installed to sliding seat 111, also can Make the slip of sliding seat 111 reliable, offer the sliding groove of " T " shape structure close to rotation belt wheel 44 position on installing plate 3, it is sliding The cross sectional shape of dynamic seat 111 is also " T " shape structure, sliding seat 111 is slidably matched with sliding groove;Wherein sliding seat 111 Slided and be located on installing plate 3 by two slide bars 115 being arranged side by side, the lower end of sliding seat 111 is with being arranged on the bottom surface of installing plate 3 On fluid pressure drive device 114 it is affixed, micromachine 112 is fixed on sliding seat 111, solid in the drive shaft of micromachine 112 Cutting sheet 113 is connect, after roller 43 of shaping rotates a circle, control fluid pressure drive device 114 works, and makes fluid pressure drive device 114 On piston rod promote sliding seat 111 move, sliding seat 111 moves horizontally under the restriction of two slide bars 115, so as to drive Micromachine 112 moves, because cutting sheet 113 rotates always under the drive of micromachine 112, by filter screen in moving process Cut, and can guarantee that the regularity of sheared edge.
The mash welder of alignment ledge structure 45 is additionally provided with installing plate 3, electric welding machine 6 is used to filter screen being welded on skeleton On, filter screen is also kept column structure after departing from sizing roller 43.
For the ease of being reliably locked at filter screen on sizing roller 43, filter screen is set to follow sizing roller 43 to rotate, And rotatory force band electric filter raw material is rotated in raw material frame 7, be provided with the lateral wall of sizing roller 43 multiple for pressing The retaining mechanism 10 of tight filter screen, retaining mechanism 10 include locking sleeve 101, locking latch 103, wherein spring 104, locking sleeve 101 vertical are fixed in are shaped on the madial wall of roller 43, and ribs is provided between the madial wall of locking sleeve 101 and roller 43 of shaping Plate 102, slip stopper slot is offered on locking sleeve 101, the end for sliding stopper slot is provided with the notch laterally bent;The lock In the tight activity of latch 103 insertion locking sleeve 101, the front end of locking latch 103 is provided with the projection being engaged with sliding stopper slot 1030;One end of the spring 104 is fixed in the bottom of locking sleeve 101, and the other end of spring 104 is resisted against locking latch 103 Front end face., will be convex on locking latch 103 in the presence of spring 104 after locking latch 103 inserts locking sleeve 101 1030 are played to be against in the notch for the end for sliding stopper slot.
The present invention explanation in, it is necessary to explanation, term " first ", " second ", " one-level ", " two level " etc. merely to It is easy to describe and understands, not to the limitation of specific features, also the usage quantity to feature or order is not defined.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims (6)

1. a kind of wrap up in circular knitting machine, including support for oily filter machine filter net, it is characterised in that:Workbench is provided with the support side by side And raw material frame, the workbench include the rectangular frame being fixed on support, rotate and set close to raw material frame side on rectangular frame There is reversing drum;Installing plate is connected with rectangular frame, is provided with the middle part of installing plate and wraps up in circular knitting machine structure, the circular knitting machine structure of wrapping up in includes rotating Seat, rotary shaft, sizing roller, rotate belt wheel, sizing roller includes symmetrical the first half roller and the second half rollers, the first half rollings Cylinder is affixed on the rotating shaft, and the second half rollers are detachably connected in rotary shaft, the first half rollers and the second half rollers relative one Side is provided with and is equipped with ledge structure, and the rotary shaft is rotatably installed on rotation seat, and rotary shaft stretches out the position of rotation seat side Affixed rotation belt wheel;
Drive mechanism is provided with the support inside rectangular frame, drive mechanism includes vibration-free tables, speed-down belt pulley group, driving Motor, deceleration seat, wherein vibration-free tables are fixed on support, and deceleration seat is fixed on vibration-free tables and positioned at rotating below belt wheel, subtracted Speed belt wheel is rotatably installed on deceleration seat, and speed-down belt pulley group includes rotating shaft, one-level belt wheel, two level belt wheel, one-level belt wheel and two level Belt wheel interval is fixed in rotating shaft;The motor is arranged on the vibration-free tables of deceleration seat side, the drive shaft of motor On be connected with driving pulley, the driving pulley is connected with one-level belt wheel by one-level belt, two level belt wheel with rotate belt wheel it Between connected by second belt;
The installing plate is provided with the cutting machine structure for being used for cutting filter screen close to the position of rotating mechanism;Alignment is additionally provided with installing plate The mash welder of ledge structure.
2. a kind of circular knitting machine is wrapped up according to claim 1 for oily filter machine filter net, it is characterised in that:The cutting machine structure bag Sliding seat, micromachine, cutting sheet, fluid pressure drive device are included, wherein sliding seat is set by two sliding bars being arranged side by side On a mounting board, the lower end of sliding seat and the fluid pressure drive device on installing plate bottom surface are affixed, and micromachine is fixed in On sliding seat, affixed cutting sheet in the drive shaft of micromachine.
3. a kind of circular knitting machine is wrapped up according to claim 1 for oily filter machine filter net, it is characterised in that:The raw material frame includes Support frame, the both sides of support frame are equipped with adjustable plate, the blowing for being provided with and being used for installing filter screen raw material are rotated in the middle part of adjustable plate Axle.
4. a kind of circular knitting machine is wrapped up according to claim 3 for oily filter machine filter net, it is characterised in that:The raw material frame both sides Provided with the support frame for supporting adjustable plate.
5. circular knitting machine is wrapped up in for oily filter machine filter net according to Claims 1 to 4 any one, it is characterised in that:The sizing roller Lateral wall be provided with and multiple be used to compress the retaining mechanisms of filter screen.
6. a kind of circular knitting machine is wrapped up according to claim 5 for oily filter machine filter net, it is characterised in that:The retaining mechanism bag Locking sleeve, locking latch, spring are included, wherein locking sleeve is vertically fixed on sizing drum inside wall, and locking sleeve is with determining Deep floor is provided between the madial wall of type roller, slip stopper slot is offered on locking sleeve;The locking latch activity is inserted Enter in locking sleeve, locking latch front end is provided with the projection being engaged with sliding stopper slot;One end of the spring is fixed in lock Tight sleeve bottom, the other end of spring are resisted against the front end face of locking latch.
CN201711243192.9A 2017-11-30 2017-11-30 Round wrapping machine for oil filter screen Active CN107813145B (en)

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Application Number Priority Date Filing Date Title
CN201711243192.9A CN107813145B (en) 2017-11-30 2017-11-30 Round wrapping machine for oil filter screen

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Application Number Priority Date Filing Date Title
CN201711243192.9A CN107813145B (en) 2017-11-30 2017-11-30 Round wrapping machine for oil filter screen

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CN107813145A true CN107813145A (en) 2018-03-20
CN107813145B CN107813145B (en) 2024-01-12

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05246297A (en) * 1991-07-26 1993-09-24 Daiwa Kanaami Kk Manufacture of wire net winding body and manufacturing equipment thereof
CN1244145A (en) * 1997-11-27 2000-02-09 三菱重工业株式会社 Strip plate winding-up device
US6641079B1 (en) * 1998-10-05 2003-11-04 Ferag Ag Winding device for flexible, flat material, especially printed products
KR20030092429A (en) * 2002-05-29 2003-12-06 주식회사 포스코 Strip trouble prevention apparatus in a snip shear
CN101700858A (en) * 2008-12-29 2010-05-05 攀枝花钢城集团瑞钢工业有限公司 Wound steel rope replacing method
CN202701067U (en) * 2012-07-03 2013-01-30 贵州振华天通设备有限公司 Antenna reflection supporting back frame process equipment
CN102950176A (en) * 2012-12-12 2013-03-06 西华大学 Dual-roller full-automatic hydraulic rolling machine
CN203779101U (en) * 2014-03-31 2014-08-20 温州市德嘉滤清器设备有限公司 A full-automatic filter protecting screen breaking edge rolling machine
CN104084459A (en) * 2014-07-07 2014-10-08 江苏永钢集团有限公司 One-shot forming winding device of cylinder
CN104493485A (en) * 2014-11-20 2015-04-08 河南机电高等专科学校 Rolling welder
CN205290275U (en) * 2015-12-31 2016-06-08 浙江立丰机械零部件有限公司 Full automatic molding equipment of filter net
CN106829579A (en) * 2017-03-30 2017-06-13 合肥智慧龙图腾知识产权股份有限公司 A kind of wrap-up for PVC artificial leather production and processing
CN106853583A (en) * 2015-12-08 2017-06-16 天津金辛克金属制品有限公司 A kind of automatic edge rolling is welding integrated
CN207757216U (en) * 2017-11-30 2018-08-24 重庆海国科技有限公司 It is a kind of to wrap up in circular knitting machine for oily filter machine filter net

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05246297A (en) * 1991-07-26 1993-09-24 Daiwa Kanaami Kk Manufacture of wire net winding body and manufacturing equipment thereof
CN1244145A (en) * 1997-11-27 2000-02-09 三菱重工业株式会社 Strip plate winding-up device
US6641079B1 (en) * 1998-10-05 2003-11-04 Ferag Ag Winding device for flexible, flat material, especially printed products
KR20030092429A (en) * 2002-05-29 2003-12-06 주식회사 포스코 Strip trouble prevention apparatus in a snip shear
CN101700858A (en) * 2008-12-29 2010-05-05 攀枝花钢城集团瑞钢工业有限公司 Wound steel rope replacing method
CN202701067U (en) * 2012-07-03 2013-01-30 贵州振华天通设备有限公司 Antenna reflection supporting back frame process equipment
CN102950176A (en) * 2012-12-12 2013-03-06 西华大学 Dual-roller full-automatic hydraulic rolling machine
CN203779101U (en) * 2014-03-31 2014-08-20 温州市德嘉滤清器设备有限公司 A full-automatic filter protecting screen breaking edge rolling machine
CN104084459A (en) * 2014-07-07 2014-10-08 江苏永钢集团有限公司 One-shot forming winding device of cylinder
CN104493485A (en) * 2014-11-20 2015-04-08 河南机电高等专科学校 Rolling welder
CN106853583A (en) * 2015-12-08 2017-06-16 天津金辛克金属制品有限公司 A kind of automatic edge rolling is welding integrated
CN205290275U (en) * 2015-12-31 2016-06-08 浙江立丰机械零部件有限公司 Full automatic molding equipment of filter net
CN106829579A (en) * 2017-03-30 2017-06-13 合肥智慧龙图腾知识产权股份有限公司 A kind of wrap-up for PVC artificial leather production and processing
CN207757216U (en) * 2017-11-30 2018-08-24 重庆海国科技有限公司 It is a kind of to wrap up in circular knitting machine for oily filter machine filter net

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