CN108529339A - Material strip devices for taking-up - Google Patents

Material strip devices for taking-up Download PDF

Info

Publication number
CN108529339A
CN108529339A CN201810512320.3A CN201810512320A CN108529339A CN 108529339 A CN108529339 A CN 108529339A CN 201810512320 A CN201810512320 A CN 201810512320A CN 108529339 A CN108529339 A CN 108529339A
Authority
CN
China
Prior art keywords
scroll
coiled strip
gripping sleeve
strip pipe
taking
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
CN201810512320.3A
Other languages
Chinese (zh)
Inventor
缪忠姚
李松义
李路
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.)
ZHOUSHAN JINQIU MACHINERY CO Ltd
Original Assignee
ZHOUSHAN JINQIU MACHINERY 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 ZHOUSHAN JINQIU MACHINERY CO Ltd filed Critical ZHOUSHAN JINQIU MACHINERY CO Ltd
Priority to CN201810512320.3A priority Critical patent/CN108529339A/en
Publication of CN108529339A publication Critical patent/CN108529339A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04Kinds or types
    • B65H75/08Kinds or types of circular or polygonal cross-section
    • B65H75/14Kinds or types of circular or polygonal cross-section with two end flanges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00Winding webs
    • B65H18/08Web-winding mechanisms
    • B65H18/10Mechanisms in which power is applied to web-roll spindle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18Constructional details

Abstract

The invention discloses material strip devices for taking-up, it is of low quality to solve traditional wrap-up winding material strip, ineffective problem.Including Scroll, the Scroll is connected with power plant, the Scroll is equipped with the coiled strip pipe for winding film, the Scroll and coiled strip pipe concentric fit, frictional differential gear is equipped between the Scroll and coiled strip pipe, the Scroll drives the rotation of coiled strip pipe, the Scroll to be furnished with swinging arm loaking and unloading mechanism by frictional differential gear.Frictional differential gear drives the rotation of coiled strip pipe to carry out coiled strip, when coiled strip pipe winds thicker material, the tightening force of coiled strip pipe can be made to become larger, with coiled strip pipe opposite sliding occurs for frictional differential gear, so that coiled strip pipe is reduced speed of wrap, allows the elasticity that the material strip of difference in thickness is wrapped in coiled strip pipe identical in the unit interval, ensure winding mass, Scroll can directly be removed by swinging arm loaking and unloading mechanism after the completion of winding, so that it may to carry out quickly discharging material, ensure working efficiency.

Description

Material strip devices for taking-up
Technical field
The present invention relates to winding device technical fields, and in particular to arrives material strip devices for taking-up.
Background technology
Many of production product such as band-like needs carry out rewinding on Scroll, are taken from Scroll again later Under, the winding to complete material is packed again later.Traditional wrap-up, since material strip thickness has error, is being wound in winding When will produce elastic different situation, keep material strip reeling quality not high, and Scroll mounting structure is complicated, needed when dismounting discharging A large amount of tools so that the working efficiency of wrap-up is low.
Invention content
Of low quality to solve traditional wrap-up winding material strip, ineffective problem, the present invention provides material strips Devices for taking-up.
The technical solution adopted by the present invention is as follows:
Material strip devices for taking-up, including Scroll, the Scroll are connected with power plant, and the Scroll is equipped with for winding The coiled strip pipe of film, the Scroll and coiled strip pipe concentric fit are equipped with frictional differential between the Scroll and coiled strip pipe Device, the Scroll drive coiled strip pipe to rotate by frictional differential gear, and the Scroll is furnished with swinging arm loaking and unloading mechanism.
Support tube is equipped between the coiled strip pipe and Scroll, the Scroll drives support tube rotation, the support tube Both sides are equipped with pressing handwheel, and the pressing handwheel compresses coiled strip pipe.
The upper surface of the pressing handwheel is equipped with the No.1 groove of truncated cone-shaped, the diameter of the No.1 groove from outside to inside by Gradual change is small, and the coiled strip pipe is contacted with the side wall of No.1 groove.
The frictional differential gear successively include driven dead turn, friction plate, driving friction ring, dynamic clamping head and quiet clamping head and Locking device, the driven dead turn are connect with coiled strip pipe.
The frictional differential gear is circumferentially with protective case.
The swinging arm loaking and unloading mechanism includes workbench, and the workbench is equipped with No.1 bar and No. two bars, the No.1 Bar and workbench are hinged, and the No.1 bar is connected with No. two bars, and the length of No. two bars is adjustable, the No.1 bar equipped with The gripping sleeve that Scroll detachably coordinates.
The No.1 bar is equipped with inclined notch, and the end of the notch is equipped with U-lag, and the other end of No. two bars connects Equipped with connector, the connector passes through notch to coordinate with U-lag.
No. two bars are telescopic rod, and the telescopic rod is hinged with workbench.
The gripping sleeve includes upper gripping sleeve, lower gripping sleeve, and the upper gripping sleeve, lower gripping sleeve one end are connected with locking dress It sets, the other end is hinged.
The locking device includes the No.1 latch segment and No. two latch segments being arranged in upper gripping sleeve and lower gripping sleeve, institute State between No.1 latch segment and No. two latch segments be equipped with connection component, the connection component include eye bolt and with spiral shell with holes The clamping nut of bolt cooperation, the No.1 latch segment and No. two latch segments are equipped with No. two grooves, and the eye bolt is located at two In number groove, the eye bolt and lower gripping sleeve are hinged to be pierced by upper gripping sleeve with merging, and the clamping nut is located at upper clamping Set top.
The beneficial effects of the invention are as follows:
The frictional differential gear of the present invention drives the rotation of coiled strip pipe to carry out coiled strip, when coiled strip pipe winds thicker material, can make The tightening force of coiled strip pipe becomes larger, and with coiled strip pipe opposite sliding occurs for frictional differential gear, and coiled strip pipe is made to reduce speed of wrap, single The elasticity for allowing the material strip of difference in thickness to be wrapped in coiled strip pipe in the time of position is identical, it is ensured that winding mass, it can after the completion of winding Scroll is directly removed by swinging arm loaking and unloading mechanism, so that it may to carry out quickly discharging material, ensure working efficiency.
Description of the drawings
Fig. 1 is the schematic diagram of coiled strip state of the present invention.
Fig. 2 is the schematic diagram of discharging state of the present invention.
Fig. 3 is the schematic diagram of Scroll of the present invention.
Fig. 4 is the schematic diagram of No.1 bar of the present invention.
Fig. 5 is the schematic diagram of No.1 latch segment of the present invention.
Fig. 6 is the schematic diagram of No. two latch segments of the invention.
Scroll 1, coiled strip pipe 2, swinging arm loaking and unloading mechanism 3, workbench 31, No.1 bar 32, No. two bars 33, gripping sleeve 4, upper folders Fixed 41, lower gripping sleeve 42, locking device 43, frictional differential gear 5, driven dead turn 51, friction plate 52, driving friction ring 53, dynamic clamping head and quiet clamping head 54, locking device 55, support tube 7, pressing handwheel 8, No.1 groove 9, protective case 10, notch 11, U-lag 12, connector 13,16, No. two latch segments 17 of No.1 latch segment, connection component 18, eye bolt 181, clamping nut 182, two Groove 19.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
In embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, material strip devices for taking-up, including Scroll 1, the Scroll 1 connect dynamic Device, the Scroll 1 is equipped with the coiled strip pipe 2 for winding film, the Scroll 1 and 2 concentric fit of coiled strip pipe, described Frictional differential gear 5 is equipped between Scroll 1 and coiled strip pipe 2, the Scroll 1 is driven by frictional differential gear 5 and rolled up Expects pipe 2 rotates, and the Scroll 1 is furnished with swinging arm loaking and unloading mechanism 3.Frictional differential gear 5 drives 2 rotation of coiled strip pipe to be rolled up Material can make the tightening force of coiled strip pipe 2 become larger when coiled strip pipe 2 winds thicker material, and frictional differential gear 5 is sent out with coiled strip pipe 2 Raw opposite sliding, makes coiled strip pipe 2 reduce speed of wrap, the material strip of difference in thickness is allowed to be wrapped in coiled strip pipe 2 in the unit interval Elasticity is identical, it is ensured that winding mass can directly be removed Scroll 1 by swinging arm loaking and unloading mechanism 3 after the completion of winding, so that it may with Quickly discharging material is carried out, ensures working efficiency.
In embodiment, as shown in figure 3, being equipped with support tube 7,1 band of the Scroll between the coiled strip pipe 2 and Scroll 1 Dynamic support tube 7 rotates, and 7 both sides of the support tube are equipped with pressing handwheel 8, and the pressing handwheel 8 compresses coiled strip pipe 2.Ensure coiled strip Pipe 2 is concentric with Scroll 1 in rotation, and eccentric phenomena will not occur.
In embodiment, as shown in figure 3, No.1 groove 9 of the upper surface of the pressing handwheel 8 equipped with truncated cone-shaped, described one The diameter of number groove 9 tapers into from outside to inside, and the coiled strip pipe 2 is contacted with the side wall of No.1 groove 9.The side of No.1 groove 9 The tight coiled strip pipe 2 of wall pressure, making coiled strip pipe 2, not only upper surface is under pressure, but also side end face ensures to be mounted on winding also by thrust Coiled strip pipe 2 on axis 1 will not control offset, it is ensured that material strip is wrapped between two parties on coiled strip pipe 2.
In embodiment, as shown in figure 3, the frictional differential gear 5 successively include driven dead turn 51, friction plate 52, Driving friction ring 53, dynamic clamping head and quiet clamping head 54 and locking device 55, the driven dead turn 51 are connect with support tube 7.Elasticity is multiple Position part 54 is compression spring, and compression spring stablizes the active force of driving friction ring 53;Dynamic clamping head and quiet clamping head 54 ensures driven with locking device 55 Frictional force between dead turn 51, friction plate 52, driving friction ring 53, when coiled strip pipe 2 is become larger by tightening force, from dynamic friction Circle 51, driving friction ring 53 mutually skid relative to friction plate 52 so that 2 rotating speed of coiled strip pipe is slack-off, reduces what coiled strip pipe 2 was subject to Tightening force;Certain driven dead turn 51 can also be connect with the support tube 7 for driving coiled strip pipe 2 to rotate, and allow frictional differential gear 5 Coiled strip pipe 2 is driven to rotate indirectly.
In embodiment, as shown in figure 3, the frictional differential gear 5 is circumferentially with protective case 10.Prevent some impurity It enters in frictional differential gear 5, blocks between dynamic clamping head and quiet clamping head 54 or engaging friction piece 52 and dead turn, cause frictional Differential gear 5 can not work normally.
In embodiment, as shown in Figure 1 and Figure 2, the swinging arm loaking and unloading mechanism 3 includes workbench 31, is set on the workbench 31 There are No.1 bar 32 and No. two bars 33, the No.1 bar 32 is hinged with workbench 31, and the No.1 bar 32 is connected with No. two bars 33, The length of No. two bars 33 is adjustable, and the No.1 bar 32 is equipped with the gripping sleeve 4 detachably coordinated with Scroll 1.No.1 bar 32 can rotate around workbench 31, make gripping sleeve 4 closer or far from the feeding portion of winder, and No. two bars 33 play drawing to No.1 bar 32 Tight or support effect allows feeding portion of the gripping sleeve 4 far from winder when the winding of Scroll 1 is completely expected, then opens gripping sleeve 4, which can remove Scroll 1, carries out discharging.
In embodiment, as shown in Figure 1, Figure 2, Figure 4 shows, the No.1 bar 22 is equipped with inclined notch 11, the notch 11 End is equipped with U-lag 12, and the other end of No. two bars 23 is provided with connector 13, and the connector 13 passes through notch 11 and U Shape slot 12 coordinates.Connector 13 can be bolt, and bolt connect with No. two bars 33 and is embedded into U-lag 12 then locking energy It is connect with No.1 bar 32, it is simple and convenient as long as loosering a bolt when dismounting.
In embodiment, No. two bars 33 are telescopic rod, and the telescopic rod is hinged with workbench 1.Telescopic rod is flexible to be stablized, Ensure to 2 stability of rotation of No.1 bar.
In embodiment, as shown in Figure 1, the gripping sleeve 4 includes upper gripping sleeve 41, lower gripping sleeve 42, the upper gripping sleeve 41,42 one end of lower gripping sleeve is connected with locking device 43, and the other end is hinged.As long as being unlocked to locking device 43, turn over Turn upper gripping sleeve 41, so that it may so that gripping sleeve 4 unclamps, it is easy to use.
In embodiment, as shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, the locking device 43 include setting in upper gripping sleeve 41 and The No.1 latch segment 16 of lower gripping sleeve 42 and No. two latch segments 17, are equipped between the No.1 latch segment 16 and No. two latch segments 17 Connection component 18, the connection component 18 include eye bolt 181 and the clamping nut 182 with the cooperation of eye bolt 181, institute It states No.1 latch segment 16 and No. two latch segments 17 is equipped with No. two grooves 19, the eye bolt 181 is located in No. two grooves 19, The eye bolt 181, which is hinged to match to merge with lower gripping sleeve 42, is pierced by upper gripping sleeve 41, and the clamping nut 182 is located at upper clamping 41 top of set.As long as unscrewing the clamping nut 182 of 41 top of upper gripping sleeve, eye bolt 181 can be under with clamping nut 182 The hinge joint of gripping sleeve 42 rotates, and is produced from No. two grooves 19, clamping nut 182 is made to be detached with upper gripping sleeve 41, and then opens Gripping sleeve 4, not only gripping sleeve 4 is opened convenient, but also connection component 18 is not easy to lose.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description Other various forms of variations or variation.There is no need and unable to give poor example to all embodiments.And these belong to this The connotation changes and variations that derived from of invention still fall within protection scope of the present invention.

Claims (10)

1. material strip devices for taking-up, it is characterised in that:Including Scroll(1), the Scroll(1)It is connected with power plant, it is described Scroll(1)It is equipped with the coiled strip pipe for winding film(2), the Scroll(1)With coiled strip pipe(2)Concentric fit, it is described Scroll(1)With coiled strip pipe(2)Between be equipped with frictional differential gear(5), the Scroll(1)Pass through frictional differential gear (5)Drive coiled strip pipe(2)Rotation, the Scroll (1) are furnished with swinging arm loaking and unloading mechanism (3).
2. material strip devices for taking-up as described in claim 1, it is characterised in that:It is set between the coiled strip pipe (2) and Scroll (1) There are support tube (7), the Scroll(1)Drive support tube(7)Rotation, support tube (7) both sides are equipped with pressing handwheel (8), The pressing handwheel (8) compresses coiled strip pipe (2).
3. material strip devices for taking-up as claimed in claim 2, it is characterised in that:The upper surface of the pressing handwheel (8) is equipped with circle The diameter of the No.1 groove (9) of platform shape, the No.1 groove (9) tapers into from outside to inside, and the coiled strip pipe (2) and No.1 are recessed The side wall of slot (9) contacts.
4. material strip devices for taking-up as described in claim 1, it is characterised in that:The frictional differential gear(5)Include successively Driven dead turn(51), friction plate(52), driving friction ring(53), dynamic clamping head and quiet clamping head(54)And locking device(55), described Driven dead turn(51)With coiled strip pipe(2)Connection.
5. material strip devices for taking-up as described in claim 1, it is characterised in that:The frictional differential gear(5)Circumferential direction set There is protective case(10).
6. material strip devices for taking-up as described in claim 1, it is characterised in that:The swinging arm loaking and unloading mechanism (3) includes workbench (31), the workbench(31)It is equipped with No.1 bar(32)And No. two bars(33), the No.1 bar(32)With workbench(31) It is hinged, the No.1 bar(32)With No. two bars(33)It is connected, No. two bars(33)Length it is adjustable, the No.1 bar(32)On It is equipped with and Scroll(1)The gripping sleeve detachably coordinated(4).
7. material strip devices for taking-up as claimed in claim 6, it is characterised in that:The No.1 bar(32)Equipped with inclined notch (11), the notch(11)End be equipped with U-lag(12), No. two bars(33)The other end be provided with connector(13), The connector(13)Across notch(11)With U-lag(12)Cooperation.
8. material strip devices for taking-up as claimed in claim 6, it is characterised in that:No. two bars(33)It is described to stretch for telescopic rod Contracting bar and workbench(1)It is hinged.
9. material strip devices for taking-up as claimed in claim 6, it is characterised in that:The gripping sleeve(4)Including upper gripping sleeve(41)、 Lower gripping sleeve(42), the upper gripping sleeve(41), lower gripping sleeve(42)One end is connected with locking device(43), the other end mutually cuts with scissors It connects.
10. material strip devices for taking-up as claimed in claim 9, it is characterised in that:The locking device(43)Including being arranged upper Gripping sleeve(41)And lower gripping sleeve(42)No.1 latch segment(16)With No. two latch segments(17), the No.1 latch segment(16) With No. two latch segments(17)Between be equipped with connection component(18), the connection component(18)Including eye bolt(181)And with Eye bolt(181)The clamping nut of cooperation(182), the No.1 latch segment(16)With No. two latch segments(17)It is equipped with No. two Groove(19), the eye bolt (181) is in No. two grooves (19), the eye bolt (181) and lower gripping sleeve (42) It is hinged to be pierced by gripping sleeve (41), the clamping nut with merging(182)Above upper gripping sleeve (41).
CN201810512320.3A 2018-05-25 2018-05-25 Material strip devices for taking-up Pending CN108529339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810512320.3A CN108529339A (en) 2018-05-25 2018-05-25 Material strip devices for taking-up

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810512320.3A CN108529339A (en) 2018-05-25 2018-05-25 Material strip devices for taking-up

Publications (1)

Publication Number Publication Date
CN108529339A true CN108529339A (en) 2018-09-14

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Family Applications (1)

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CN201810512320.3A Pending CN108529339A (en) 2018-05-25 2018-05-25 Material strip devices for taking-up

Country Status (1)

Country Link
CN (1) CN108529339A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534044A (en) * 2018-12-25 2019-03-29 深圳市鼎力盛科技有限公司 Inflation coiled strip equipment for gas flush packaging film
CN110775675A (en) * 2019-11-21 2020-02-11 湖南潇龙机械设备制造有限责任公司 Receive membrane wheel combination
CN111362031A (en) * 2020-03-30 2020-07-03 浙江金象科技有限公司 Feeding support for cloth of mask production equipment
CN111573337A (en) * 2020-04-22 2020-08-25 安徽科创生产力促进中心有限公司 Conveying device for mask equipment

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Publication number Priority date Publication date Assignee Title
CN202030359U (en) * 2011-04-23 2011-11-09 广东三凌塑料管材有限公司 Winding machine
CN202924423U (en) * 2012-11-22 2013-05-08 广东金荣华实业有限公司 Friction type rewinding and adjusting device for packing paper
CN103569805A (en) * 2013-11-25 2014-02-12 潍坊金丝达环境工程股份有限公司 Safe retracting device of cable
CN203612701U (en) * 2013-12-29 2014-05-28 河北康利达金属网有限公司 Screen taking-off device for metal screen weaving machine
CN204714157U (en) * 2015-05-22 2015-10-21 南京嘉旭机械制造有限公司 A kind of pressure type reel system
CN105540302A (en) * 2015-12-25 2016-05-04 佛山市启达研磨器材科技有限公司 Automatic winding mechanism with winding rods convenient to take out and install
CN106185475A (en) * 2015-05-05 2016-12-07 天津凯利达胶粘制品有限公司 A kind of Scroll of adhesive tape cutting machine
CN206940004U (en) * 2017-04-25 2018-01-30 鹏码新材料(安徽)有限公司 A kind of blowing fixing device on coating machine
CN208308136U (en) * 2018-05-25 2019-01-01 舟山市金秋机械有限公司 Material strip devices for taking-up

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202030359U (en) * 2011-04-23 2011-11-09 广东三凌塑料管材有限公司 Winding machine
CN202924423U (en) * 2012-11-22 2013-05-08 广东金荣华实业有限公司 Friction type rewinding and adjusting device for packing paper
CN103569805A (en) * 2013-11-25 2014-02-12 潍坊金丝达环境工程股份有限公司 Safe retracting device of cable
CN203612701U (en) * 2013-12-29 2014-05-28 河北康利达金属网有限公司 Screen taking-off device for metal screen weaving machine
CN106185475A (en) * 2015-05-05 2016-12-07 天津凯利达胶粘制品有限公司 A kind of Scroll of adhesive tape cutting machine
CN204714157U (en) * 2015-05-22 2015-10-21 南京嘉旭机械制造有限公司 A kind of pressure type reel system
CN105540302A (en) * 2015-12-25 2016-05-04 佛山市启达研磨器材科技有限公司 Automatic winding mechanism with winding rods convenient to take out and install
CN206940004U (en) * 2017-04-25 2018-01-30 鹏码新材料(安徽)有限公司 A kind of blowing fixing device on coating machine
CN208308136U (en) * 2018-05-25 2019-01-01 舟山市金秋机械有限公司 Material strip devices for taking-up

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109534044A (en) * 2018-12-25 2019-03-29 深圳市鼎力盛科技有限公司 Inflation coiled strip equipment for gas flush packaging film
CN110775675A (en) * 2019-11-21 2020-02-11 湖南潇龙机械设备制造有限责任公司 Receive membrane wheel combination
CN111362031A (en) * 2020-03-30 2020-07-03 浙江金象科技有限公司 Feeding support for cloth of mask production equipment
CN111362031B (en) * 2020-03-30 2021-10-19 浙江金象科技有限公司 Feeding support for cloth of mask production equipment
CN111573337A (en) * 2020-04-22 2020-08-25 安徽科创生产力促进中心有限公司 Conveying device for mask equipment

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