CN106418801A - Automatic overturning connecting device for mask piece - Google Patents
Automatic overturning connecting device for mask piece Download PDFInfo
- Publication number
- CN106418801A CN106418801A CN201610922931.6A CN201610922931A CN106418801A CN 106418801 A CN106418801 A CN 106418801A CN 201610922931 A CN201610922931 A CN 201610922931A CN 106418801 A CN106418801 A CN 106418801A
- Authority
- CN
- China
- Prior art keywords
- roller
- material casting
- conveying roller
- mask
- fork
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
Abstract
The invention provides an automatic connecting device used between the piece forming process and the belt welding process of a mask. The connecting device is composed of a material-feeding conveying mechanism connected with a mask piece forming machine, and a material-throwing conveying belt connected with a mask belt welder, wherein the material-feeding conveying mechanism comprises a main conveying roller and an auxiliary conveying roller, a plurality of main conveying belts wind a driving roller system composed of the main conveying roller and the auxiliary conveying roller, a material overturning fork is arranged between the main conveying roller and the auxiliary conveying roller, the material overturning fork comprises a fork shaft and a plurality of knife bars arranged surrounding the fork shaft and being in parallel to each other, the knife bars are inserted among the plurality of main conveying belts, the lower-chord roots of the knife bars are collected to the outer edge of the fork shaft and are connected with the upper-chord roots of the left adjacent knife bars, and the upper-chord roots of the knife bars are collected to the left side of the axis of the fork shaft and connected with the lower-chord roots of the right adjacent knife bars; the automatic conveying device is positioned between the piece forming process and the belt welding process of the mask, so that the seamless connection of the mask processing is realized, the mask piece is conveyed through the material-feeding conveying mechanism of the automatic conveying device, the material overturning fork can accurately fork the mask piece, so that the automatic overturning after locating of the mask piece is realized, and the mask piece is stably conveyed to the material-throwing conveying belt of the material-feeding conveying mechanism at uniform speed.
Description
Technical field
The present invention relates to mouth mask technical field of processing equipment, specially a kind of mask sheet automatic turnover attachment means.
Background technology
Existing plane face mask mainly adopts this body formed and ear welding two procedures production of mask sheet, wherein mask sheet
Basis is body formed to be completed by mask blank making machine, and ear welding is by automatic mouth mask welding machine（Including inner ear band automatic mouth mask welding machine or
Ear loop automatic mouth mask welding machine）Welding completes.Traditional welding machine mask sheet feed general using having been manually done, working strength
Greatly, mechanical repetition, produces the quality problems such as wrong weldering, solder skip when may result in next step welding unless you give your whole attention to it.Therefore produce
Less efficient, cost of labor height is it is impossible to meet actual Production requirement.Although people now devised some mask sheet ear tape weldings
Band conveying automatic technology.But existing mask sheet feeder is mostly also unreasonable, mouth mask turnover technology complexity, stability are relatively
Difference, efficiency are low, lead to the application of putting into production that delays.
In order to solve the above problems, therefore, it is proposed that a kind of mask sheet automatic turnover attachment means.
Content of the invention
It is an object of the invention to provide a kind of mask sheet automatic turnover attachment means, to solve to carry in above-mentioned background technology
The problem going out.
For achieving the above object, the present invention provides following technical scheme：A kind of automation mouth mask beats piece and welding inter process
Attachment means, described mouth mask is beaten piece operation and is adopted mask blank making machine, and described mouth mask welding operation adopts mouth mask welding machine, mouth mask
Welding machine be provided with receiver conveyer belt it is characterised in that：Described attachment means are by the charging conveying being connected with mask blank making machine
Mechanism and the material casting conveyer belt being connected with mouth mask welding machine are constituted, and described feeding conveyor structure includes main conveying roller, secondary conveying roller,
The live-roller that described main conveying roller and secondary conveying roller are constituted is fastened and is arranged with many main conveyor belts, main conveying roller and secondary conveying roller it
Between be provided with stirring fork, stirring fork includes fork shaft and around fork shaft and many tool sections be arrangeding in parallel are constituted, and described tool section inserts many
Between root main conveyor belt, described tool section lower edge root close at fork shaft outer rim and with its left adjacent tool section wind up root connect, described
The tool section root that winds up is closed on the left of fork shaft axle center and is connected with its right adjacent tool section lower edge root；The left end of described material casting conveyer belt
Dock with secondary conveying roller, the right-hand member of material casting conveyer belt is docked with the receiver conveying tape entry of respirator ear belt welding machine；Described throwing
Material conveyer belt is more than main conveyor belt linear velocity, and described main conveyor belt linear velocity is more than the conveying line speeds of mask blank making machine.
Preferably, described material casting conveyer belt is arranged perpendicular to the receiver conveyer belt of respirator ear belt welding machine, described material casting
Conveyer belt includes the upper material casting conveyer belt being superimposed together and lower material casting conveyer belt, and described upper material casting conveyer belt is around being located at by front
The live-roller that material casting roller and rear upper material casting roller are constituted is fastened, and lower material casting conveyer belt is around being located at by front lower material casting roller and rear lower material casting roller
The live-roller constituting is fastened.
Preferably, the top setting sweeping through the material roller of described pair conveying roller, described sweeping through the material roller is provided with bristle.
Preferably, described mask blank making machine include feeding to roller group, welding to roller group, cut-out to roller group, described feeding pair
Roller group, welding sequentially arrange in in-line to roller group to roller group, cut-out, are provided with main conveying roller, institute in cut-out to the right side of roller group
The fork shaft one end stating stirring fork is provided with stirring fork chain wheel, and the spindle nose of main conveying roller is provided with main conveying roller chain, described feeding
Main conveying roller drive sprocket is respectively equipped with to the lower roll spindle nose of roller group and stirring fork drives head sprocket, described main conveying roller drives
Movable sprocket is connected with main conveying roller chain gear transmission by main conveying roller drive chain, and described stirring fork drives head sprocket to pass through stirring
Fork drive chain is in transmission connection with stirring fork chain wheel；Described stirring fork chain wheel and stirring fork drive and are provided with tensioning between head sprocket
Wheel.
Preferably, one end of described sweeping through the material roller main shaft is provided with sweeping through the material roller belt pulley, and one end of secondary conveying roller main shaft is provided with pair
Conveying roller belt pulley, one end of front upper material casting roller main shaft upper material casting roller belt pulley before being provided with, one end of front lower material casting roller main shaft sets
There is front lower material casting roller belt pulley, be provided with tensioning wheel between described front upper material casting roller belt pulley, front lower material casting roller belt pulley, described pair
Conveying roller belt pulley is in transmission connection with sweeping through the material roller belt pulley, described pair conveying roller belt pulley simultaneously with front upper material casting roller belt pulley,
Front lower material casting roller belt pulley, tensioning wheel are in transmission connection.
Preferably, axially mounted on described weldering roller be provided with weldering knife, cut and axially mounted on roller be provided with cutting knife.
Preferably, described receiver conveyer belt is provided with receiver.
Preferably, described sweeping through the material roller belt pulley diameter:Secondary conveying roller belt pulley diameter=1:3.
Preferably, described stirring fork drives head sprocket and stirring fork chain wheel diameter ratio=1:5；Described rubber roll drives head sprocket
With main conveying roller drive sprocket diameter ratio=4:1.
Compared with prior art, the invention has the beneficial effects as follows：The invention has the beneficial effects as follows：This automatic conveying device position
Beat between piece and welding operation in mouth mask, realize the seamless connection of mouth mask process, mask sheet passes through its feeding conveyor structure
Send into, stirring fork by mask sheet accurately " forking " can realize mask sheet positioning automatic turnover, and by mask sheet at the uniform velocity,
Stably it is sent on the material casting conveyer belt of feeding conveying mechanism.Additionally, multiple conveyer belts continuously accelerate, improve processing line
Patency, continuity, accuracy, finally improve the working (machining) efficiency of mouth mask welding, have saved processing cost.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the overlooking the structure diagram of apparatus of the present invention；
Fig. 3 is the drive mechanism schematic diagram of apparatus of the present invention；
Fig. 4 is a kind of structural representation of stirring of present invention fork；
Fig. 5 is the rear structure schematic diagram of mask blank making machine.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-5, the present invention provides a kind of technical scheme：Refer to Fig. 1-5, the present invention provides a kind of technical side
Case：Described mouth mask beat piece operation adopt mask blank making machine 1, mask blank making machine 1 include feeding to roller group 4, welding to roller group 6, cut
Break to roller group 7, described feeding sequentially arranges in in-line to roller group 7 to roller group 6, cut-out to roller group 4, welding, in cut-out to roller
The right side of group 7 is provided with main conveying roller 8.Described welding is provided with weldering knife 61 to axially mounted on the upper weldering roller 60 of roller group 6, and cut-out is to roller
Axially mounted it is provided with cutting knife 71 on the upper cut roller 70 of group 7.
Described mouth mask welding operation adopts mouth mask welding machine 10, and mouth mask welding machine 10 is provided with receiver conveyer belt 13, connects
Charging tray conveyer belt 13 is provided with receiver 131.
Attachment means are defeated by the feeding conveyor structure A being connected with mask blank making machine 1 and the material casting being connected with mouth mask welding machine
Band B is sent to constitute, described feeding conveyor structure includes main conveying roller 8, secondary conveying roller 31, described main conveying roller 8 and secondary conveying roller 31
The live-roller constituting is fastened and is arranged with many main conveyor belts 81, is provided with stirring fork 2 between main conveying roller 8 and secondary conveying roller 31,
The many tool sections 21 that stirring fork 2 includes fork shaft 20 and cincture fork shaft and be arranged in parallel are constituted, and it is defeated that described tool section 21 inserts many masters
Send between band, wherein tool section 21A lower edge D root close at fork shaft outer rim and with its left adjacent tool section 21B wind up E root connect, institute
State tool section 21A wind up C root close on the left of fork shaft axle center M (in figure dotted line be axial line) and with its right adjacent tool section 21C lower edge F
Root connects.Tool section 21 lower edge outer end is an arc, tool section 21 wind up as straight line, tool section 21 lower edge outer end and tool section wind up even
Connect.
Such shape is easy to stirring fork and 2 is smoothly provoked the mask sheet of main conveyor belt 81 front portion in rotation process, turns over
After turnback, arc cutter head allows mask sheet steadily fall in the rear end of main conveyor belt 81 again, enters material casting conveyer belt B and continues conveying.
Material casting conveyer belt B is arranged perpendicular to the receiver conveyer belt 13 of respirator ear belt welding machine 10, described receiver conveying
Band 13 is provided with receiver 131.The left end of described material casting conveyer belt B is docked with secondary conveying roller 31, the right-hand member of material casting conveyer belt with
Receiver 131 entrance docks.Material casting conveyer belt 30 is more than main conveyor belt 81 linear velocity, and described main conveyor belt 81 linear velocity is more than mouth
The conveying line speeds of cover tablet machine 1.
Material casting conveyer belt B includes the upper material casting conveyer belt 39 being superimposed together and lower material casting conveyer belt 391, described upper material casting
Conveyer belt 39 is fastened by the live-roller that front upper material casting roller 35 and rear upper material casting roller 37 are constituted around being located at, lower material casting conveyer belt 391 around
It is located at and fastened by the live-roller that front lower material casting roller 36 and rear lower material casting roller 38 are constituted.
Sweeping through the material roller 30 is set above secondary conveying roller 31, sweeping through the material roller 30 is provided with bristle 300, can allow the mouth of static electrification
Sheets smoothly departs from stirring fork and sweeps to material casting conveyer belt, it is to avoid electrostatic interaction leads to adsorb on stirring fork.
One end of sweeping through the material roller 30 main shaft is provided with sweeping through the material roller belt pulley 301, and one end of secondary conveying roller 31 main shaft is provided with secondary conveying
Roller belt pulley 310, described sweeping through the material roller belt pulley diameter:Secondary conveying roller belt pulley diameter=1:3.
One end of front upper material casting roller 35 main shaft upper material casting roller belt pulley 350, one end of front lower material casting roller 36 main shaft before being provided with
It is provided with front lower material casting roller belt pulley 360, be provided between described front upper material casting roller belt pulley 350, front lower material casting roller belt pulley 360 and open
Bearing up pulley 351, described pair conveying roller belt pulley 310 is in transmission connection with sweeping through the material roller belt pulley 301, described pair conveying roller belt pulley 310
It is in transmission connection with front upper material casting roller belt pulley 350, front lower material casting roller belt pulley 360, tensioning wheel 351 simultaneously.
Fork shaft 20 one end of described stirring fork 2 is provided with stirring fork chain wheel 22, and described rubber roll 11 is compressed on main conveying roller 8
Side, slightly recessed in the middle part of rubber roll 11, with main conveying roller, there is certain interval.The conformal conveying of mask sheet 9 so can be prevented.Master is defeated
The axle head sending roller 8 is provided with main conveying roller chain 83, and described feeding is respectively equipped with main conveying roller and drives to the lower roll spindle nose of roller group 4
Movable sprocket 82 and stirring fork drive head sprocket 223, described main conveying roller drive sprocket 82 pass through main conveying roller drive chain 123 and
Main conveying roller chain 83 is in transmission connection, main conveying roller chain 83 and main conveying roller drive sprocket 22 diameter ratio=4:1.
Feeding is also coaxially provided with sprocket for main drive 128, the lower weldering to roller group 6 for the welding to lower roll 40 spindle nose of roller group 4
Roller 600 is also coaxially provided with sprocket for main drive 129, and sprocket for main drive 128,129 passes through the motor by whole device for the main chain 121
Drive.
Stirring fork is driven head sprocket 223 to pitch drive chain 112 by stirring and is in transmission connection with stirring fork chain wheel 22.Described turn over
Material fork drives head sprocket and stirring fork chain wheel diameter ratio=1:5.
Described stirring fork chain wheel 223 and stirring fork drive and are provided with tensioning wheel 34 between head sprocket 223.
Main conveyor belt 81, upper material casting conveyer belt 39 and lower material casting conveyer belt 391 are be arranged in parallel using many, can be with stirring
Pitch 2 no-floats such that it is able to be conducive to the accurate positioning of mask sheet 9, active conveyer belt simultaneously, upper and lower material casting conveyer belt shape
Become secondary acceleration, allow mask sheet 9 transporting velocity to step up.
Upper and lower material casting conveyer belt is sent into after mask sheet 9 flaps that mask blank making machine 1 is sent by stirring fork 2, finally upper and lower
Material casting conveyer belt carries out positioning and pinches to mask sheet 9, mask sheet 9 is accelerated send into determining of the receiver 131 of here synchronization splicing
In the groove of position.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. a kind of mask sheet automatic turnover attachment means, described mouth mask is beaten piece operation and is adopted mask blank making machine（1）, described mouth mask
Welding operation adopts mouth mask welding machine, and mouth mask welding machine is provided with receiver conveyer belt（13）It is characterised in that：Described automatic turning
Face attachment means by with mask blank making machine（1）The feeding conveyor structure connecting and the feeding conveying mechanism being connected with mouth mask welding machine
Constitute, described feeding conveyor structure includes main conveying roller（8）, secondary conveying roller（31）, described main conveying roller（8）With secondary conveying roller
（31）The live-roller constituting is fastened and is arranged with many main conveyor belts（81）, described feeding conveying mechanism includes material casting conveyer belt,
Main conveying roller（8）It is provided with stirring fork and secondary conveying roller between（2）, stirring fork（2）And including fork shaft and it be arranged in parallel around fork shaft
Many tool sections constitute, described tool section inserts between many main conveyor belts, described tool section（2）Lower edge root closes at fork shaft outer rim simultaneously
With its left adjacent tool section（2）The root that winds up connects, described tool section（2）The root that winds up closes at fork shaft central lower adjacent with its right side
Tool section（2）Lower edge root connects；The left end of described material casting conveyer belt is docked with secondary conveying roller, the right-hand member of material casting conveyer belt and mouth mask
Ear band welding machine（10）Receiver conveyer belt（13）Entrance docks；Described material casting conveyer belt is more than main conveyor belt linear velocity, institute
State the conveying line speeds that main conveyor belt linear velocity is more than mask blank making machine.
2. a kind of mask sheet automatic turnover attachment means according to claim 1 and 2 it is characterised in that：Described feeding is defeated
Mechanism is sent also to include sweeping through the material roller（3）, described sweeping through the material roller（3）It is arranged on the top of secondary conveying roller, described sweeping through the material roller（30）It is provided with
Bristle；Described material casting conveyer belt is perpendicular to respirator ear belt welding machine（10）Receiver conveyer belt（13）Setting, described material casting is defeated
Send the upper material casting conveyer belt being superimposed together with inclusion（39）With lower material casting conveyer belt（391）, described upper material casting conveyer belt（39）
Around being located at by front upper material casting roller（35）With rear upper material casting roller（37）The live-roller constituting is fastened, lower material casting conveyer belt（391）Winding
By front lower material casting roller（36）With rear lower material casting roller（38）The live-roller constituting is fastened.
3. a kind of mask sheet automatic turnover attachment means according to claim 1 it is characterised in that：Described mask blank making machine
（1）Including feeding to roller group（4）, welding to roller group（6）, cut-out to roller group（7）, described feeding is to roller group（4）, welding to roller group
（6）, cut-out to roller group（7）Sequentially arrange in in-line, in cut-out to roller group（7）Right side be provided with main conveying roller（8）, described turn over
Material fork（2）Fork shaft one end be provided with stirring fork chain wheel（21）, main conveying roller（8）Spindle nose be provided with main conveying roller chain
（83）, described feeding is to roller group（4）Lower roll spindle nose be respectively equipped with main conveying roller drive sprocket (82) and stirring fork drive
Head sprocket (223), described main conveying roller drive sprocket (82) is by main conveying roller drive chain（123）With main conveying roller chain
(83) it is in transmission connection, described stirring fork drives head sprocket（223）Drive chain is pitched by stirring（112）With stirring fork chain wheel（22）
It is in transmission connection；Described stirring fork chain wheel（22）And stirring fork drives and is provided with tensioning wheel between head sprocket 223（34）.
4. a kind of mask sheet automatic turnover attachment means according to claim 1 it is characterised in that：Described sweeping through the material roller（30）
One end of main shaft is provided with sweeping through the material roller belt pulley（301）, secondary conveying roller（31）One end of main shaft is provided with secondary conveying roller belt pulley
（310）, front upper material casting roller（35）One end of main shaft upper material casting roller belt pulley before being provided with（350）, front lower material casting roller（36）Main shaft
One end is provided with front lower material casting roller belt pulley (360), described front upper material casting roller belt pulley（350）, front lower material casting roller belt pulley (360)
Between be provided with tensioning wheel（351）, described pair conveying roller belt pulley（310）With sweeping through the material roller belt pulley（301）It is in transmission connection, described pair
Conveying roller belt pulley（310）Simultaneously with front upper material casting roller belt pulley（350）, front lower material casting roller belt pulley (360), tensioning wheel
（351）It is in transmission connection.
5. a kind of mask sheet automatic turnover attachment means according to claim 1 it is characterised in that：Described welding is to roller group
(6) on upper weldering roller (60), axially mounted being provided with welds knife (61), and cut-out is provided with to axially mounted on the upper cut roller (70) of roller group (7)
Cutting knife (71).
6. a kind of mask sheet automatic turnover attachment means according to claim 1 it is characterised in that：Described receiver conveying
Band（13）It is provided with receiver 131.
7. a kind of mask sheet automatic turnover attachment means according to claim 1 it is characterised in that：Described sweeping through the material roller belt
Disk diameter:Secondary conveying roller belt pulley diameter=1:3.
8. a kind of mask sheet automatic turnover attachment means according to claim 1 it is characterised in that：Described stirring fork drives
Head sprocket and stirring fork chain wheel diameter ratio=1:5；Described rubber roll drives head sprocket and main conveying roller drive sprocket diameter ratio=4:1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610922931.6A CN106418801A (en) | 2016-10-29 | 2016-10-29 | Automatic overturning connecting device for mask piece |
| CN201710790873.0A CN107361429A (en) | 2016-10-29 | 2017-09-05 | A kind of mask sheet automatic turnover attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610922931.6A CN106418801A (en) | 2016-10-29 | 2016-10-29 | Automatic overturning connecting device for mask piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106418801A true CN106418801A (en) | 2017-02-22 |
Family
ID=58176194
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610922931.6A Pending CN106418801A (en) | 2016-10-29 | 2016-10-29 | Automatic overturning connecting device for mask piece |
| CN201710790873.0A Withdrawn CN107361429A (en) | 2016-10-29 | 2017-09-05 | A kind of mask sheet automatic turnover attachment means |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790873.0A Withdrawn CN107361429A (en) | 2016-10-29 | 2017-09-05 | A kind of mask sheet automatic turnover attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106418801A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529181A (en) * | 2018-03-27 | 2018-09-14 | 丽水学院 | The positive and negative stacking method of assembly line and its stack device |
| CN113304293A (en) * | 2021-05-25 | 2021-08-27 | 谢明吾 | But gauze mask disinfection is with antiseptic solution cyclic utilization device |
| CN115450033A (en) * | 2022-11-10 | 2022-12-09 | 烟台市飞马医疗科技有限公司 | Conveying mechanism of mask machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112493599B (en) * | 2020-12-01 | 2023-08-01 | 金绿源(中国)生物科技有限公司 | Mask sheet clamping and conveying device for mask production line |
| CN112641158A (en) * | 2020-12-29 | 2021-04-13 | 安徽三众智能装备有限公司 | Quick turn-over device of gauze mask machine |
-
2016
- 2016-10-29 CN CN201610922931.6A patent/CN106418801A/en active Pending
-
2017
- 2017-09-05 CN CN201710790873.0A patent/CN107361429A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529181A (en) * | 2018-03-27 | 2018-09-14 | 丽水学院 | The positive and negative stacking method of assembly line and its stack device |
| CN113304293A (en) * | 2021-05-25 | 2021-08-27 | 谢明吾 | But gauze mask disinfection is with antiseptic solution cyclic utilization device |
| CN113304293B (en) * | 2021-05-25 | 2023-11-03 | 谢明吾 | But gauze mask disinfection is with antiseptic solution cyclic utilization device |
| CN115450033A (en) * | 2022-11-10 | 2022-12-09 | 烟台市飞马医疗科技有限公司 | Conveying mechanism of mask machine |
| CN115450033B (en) * | 2022-11-10 | 2023-01-20 | 烟台市飞马医疗科技有限公司 | Conveying mechanism of mask machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107361429A (en) | 2017-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |