CN206676946U - Welding rod wire rod drawing machine - Google Patents
Welding rod wire rod drawing machine Download PDFInfo
- Publication number
- CN206676946U CN206676946U CN201720311916.8U CN201720311916U CN206676946U CN 206676946 U CN206676946 U CN 206676946U CN 201720311916 U CN201720311916 U CN 201720311916U CN 206676946 U CN206676946 U CN 206676946U
- Authority
- CN
- China
- Prior art keywords
- welding rod
- rod wire
- drawing machine
- wire
- welding
- 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.)
- Active
Links
Landscapes
- Metal Extraction Processes (AREA)
Abstract
The utility model provides a kind of welding rod wire rod drawing machine, including frame, and welding rod wire surface oxide skin removal device is sequentially with frame, draws and dials device, welding rod wire surface oxide skin removal device comprises at least a peeling roller;Draw and dial device including being provided with the drawing molding of bellmouth, drawing and dial roller and the actuating unit for driving pulling rolls;Welding rod wire surface oxide skin removal device includes 2 peeling rollers, and one of them is horizontal peeling roller, and another is vertical peeling roller;Welding rod wire surface oxide skin removal device also includes 1 guide pipe;Draw and be additionally provided with guide roller or directive wheel before the drawing die for dialling device;Also include being arranged on the welding rod wire collecting device for drawing and dialling on rear side of device.Welding rod wire rod drawing machine provided by the utility model, oxide skin removal process is simple and convenient to operate, pollution-free, and continuous production is good, beneficial to raising production efficiency and ensures product quality.
Description
Technical field
The utility model belongs to welding rod production equipment technology, is to be related to a kind of welding rod wire rod wire drawing more specifically
Machine.
Background technology
The amount of electrode that welding procedure uses in the industrial production is very big.The production of welding rod wire rod at present is thicker with diameter
Special bonding jumper be made the welding rod wire rod of thinner all size after drawing and other treatment process, welding rod wire rod can be with
Coating is coated after being cut and is made welding rod, in existing wire drawing process, oxide skin removal process is complicated, uses chemical reagent dirty
Contaminate environment, drawing process complex operation, low production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of hot candied equipment, it is intended to solves oxide skin of the prior art and removed
Journey is complicated, pollutes environment, drawing process complex operation, the problem of low production efficiency, has that oxide skin removal process is simple, operation
Convenient, pollution-free, continuous production is good, beneficial to raising production efficiency and ensures product quality.
To achieve the above object, the technical solution adopted in the utility model is:A kind of welding rod wire rod drawing machine is provided, including
Frame, welding rod wire surface oxide skin removal device is sequentially with frame, draws and dials device, the welding rod wire surface oxide skin
Removal device comprises at least a peeling roller;It is described to draw group device to include the drawing molding provided with bellmouth, draw and dial roller and be used for
Drive the actuating unit of the pulling rolls.
Further, the welding rod wire surface oxide skin removal device includes 2 peeling rollers, and one of them is horizontal
Roller is removed the peel, another is vertical peeling roller.
Further, the welding rod wire surface oxide skin removal device also includes 1 guide pipe.
Further, described draw is additionally provided with guide roller or directive wheel before the drawing die for dialling device.
Further, in addition to be arranged on it is described draw dial device on rear side of welding rod wire collecting device.
Further, the welding rod wire collecting device include being arranged in the frame twine silk wheel, be plugged on it is described
The guide frame that twines on silk wheel is twined, the silk wheel that twines is provided with and the installation neck for twining guide frame cooperation.
Further, described draw dials device as more than 2 sets, and adjacent drawing is provided with guiding mechanism between dialling device.
Further, the guiding mechanism is pulley guiding mechanism.
Further, the pulley guiding mechanism includes the conducting wire pole and fixed pulley for setting the pulling rolls, described fixed sliding
Wheel is fixed in the frame by pulley fixed frame.
Further, the actuating unit includes the first motor and gearbox.
The beneficial effect of welding rod wire rod drawing machine provided by the utility model is:Compared with prior art, this practicality is new
Type welding rod wire rod drawing machine, it is oriented to by the folding for removing the peel roller, or is oriented to by the winding of peeling roller, or passes through two ventings
Rolling for skin roller can come off the oxide skin of welding rod wire surface, and the welding rod wire rod after scale removal enters wire-drawing die
In bellmouth, driving pulling rolls by actuating unit, the drawing from wire-drawing die attenuates by welding rod wire rod, and continuous production is good, the weldering
Bar wire rod drawing machine, there is oxide skin removal process to be simple and convenient to operate, pollution-free, continuous production is good, ensure that product matter
Amount, substantially increases production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation one for the welding rod wire rod drawing machine that the utility model embodiment provides;
Fig. 2 is the structural representation two for the welding rod wire rod drawing machine that the utility model embodiment provides;
Fig. 3 is the structural representation three for the welding rod wire rod drawing machine that the utility model embodiment provides;
Fig. 4 is to twine used by the utility model embodiment silk wheel and to twine the assembling structure schematic diagram of guide frame.
In figure:1st, frame;11st, locating shaft;12nd, bracing wire is perforated;13rd, bracing wire;14th, emergency stop switch;15th, baffle plate;2nd, welding rod
Wire surface oxide skin removal device;21st, guide pipe;22nd, horizontal peeling roller;23rd, vertical peeling roller;3rd, draw-off gear;
31st, the first motor;32nd, pulling rolls;33rd, conducting wire pole;34th, pulley fixed frame;35th, silk ring is kept off;36th, fixed rotating shaft;37th, it is oriented to
Wheel;39th, fixed pulley;4th, welding rod wire collecting device;41st, the second motor;42nd, silk wheel is twined;43rd, guide frame is twined;431st, screw mandrel is twined;
432nd, central shaft;433rd, fixed mount;434th, connecting rod;435th, sliding sleeve;5th, drawing die;51st, guide roller;52nd, cooler bin;6th, welding rod line
Material.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 to Fig. 4, now welding rod wire rod drawing machine provided by the utility model is illustrated.Welding rod line
Material drawing machine, including frame 1, welding rod wire surface oxide skin removal device 2 is sequentially with frame 1, draws and dials device 3, welding rod
Wire surface oxide skin removal device 2 comprises at least a peeling roller;Draw dial device 3 include provided with bellmouth drawing molding 5,
Draw and dial roller 32 and the actuating unit for driving pulling rolls 32.
Welding rod wire rod drawing machine provided by the utility model, compared with prior art, it is oriented to by the folding for removing the peel roller,
Or be oriented to by the winding of peeling roller, or can be by the oxide skin on the surface of welding rod wire rod 6 by rolling for two venting skin rollers
Come off, the welding rod wire rod 6 after scale removal enters in the bellmouth of wire-drawing die 5, drives pulling rolls 32 will by actuating unit
The drawing from wire-drawing die 5 of welding rod wire rod 6 attenuates, the welding rod wire rod drawing machine, has that oxide skin removal process is simple, operation side
Just, pollution-free, continuous production is good, ensure that product quality, substantially increases production efficiency.
Specifically, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, welding rod wire surface oxide skin removal device 2 includes 2 peeling rollers, and one of them is horizontal peeling roller 22, separately
One is vertical peeling roller 23, and the axis of the axis of formula peeling roller 22 and vertical peeling roller 22 is vertically arranged;It is horizontal to go
The axis vertical of skin roller 22 is set, and the axis vertical of vertical peeling roller 22 is set, by horizontal peeling roller 22 and vertical
The folding for removing the peel roller 22 is oriented to, and the oxide skin on the surface of welding rod wire rod 6 can come off, horizontal peeling roller 22 and vertical peeling
The working face that roller 22 contacts with welding rod wire rod 6 is provided with some projections, sets projection, increasing friction force, is advantageous to oxide skin
Removal;
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, welding rod wire surface oxide skin removal device 2 also includes 1 guide pipe 21.By setting guide pipe 21, Ke Yiyong
Swung when welding rod wire rod 6 is oriented to and prevents welding rod wire rod 6 from being wound on removing the peel roller, ensure that oxide skin removal device 2
Stability in use.
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, draws and is additionally provided with guide roller 51 or directive wheel 37 before the drawing die 5 for dialling device 3.Drawing die is hinged with frame 1 and set
Put, wire-drawing die 5 is provided with the guide roller 51 or directive wheel 37 that welding rod wire rod 6 corresponding with vertical peeling roller 22 is oriented to, welding rod
Wire rod 6 after guide roller 51 by entering in the bellmouth of wire-drawing die 5.Drawing die 5 and the be hinged setting of frame 1, can be according to drawing
The anglec of rotation of the position adjustment wire-drawing die 5 of roller 32.
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, in addition to is arranged on the welding rod wire collecting device 4 for drawing and dialling the rear side of device 3.Draw on the pulling rolls 32 on group device 3
Welding rod wire rod, which enters on welding rod wire collecting device 4, to be collected, and is picked and placeed conveniently, efficiency high.
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, a drawing die 5 is provided between draw-off gear 3 and welding rod wire collecting device 4, is additionally provided with before drawing die 5
Guide roller 51 or directive wheel 37.
Specifically, 1 to Fig. 3 is referred to, one kind specific implementation as welding rod wire rod drawing machine provided by the utility model
Mode, welding rod wire collecting device 4 include being arranged on twining silk wheel 42, being plugged on to twine and twine guide frame 43 on silk wheel 42 in frame 1,
Twine silk wheel 42 and be provided with the installation neck coordinated with twining guide frame 43.Guide frame 43 is twined to be used to coil through the weldering after the drawing of pulling rolls 32
Bar wire rod.
Further, Fig. 1 to Fig. 4 is referred to, one kind as welding rod wire rod drawing machine provided by the utility model is specific
Embodiment, twining guide frame 43 includes twining screw mandrel 431 for fixing at least three of welding rod wire rod 6, being arranged concentrically with twining silk wheel 42
Central shaft 432, be installed in being used for the be hinged fixed mount 433 for twining screw mandrel 431, being set in central shaft 432 for the top of central shaft 432
The sliding sleeve 435 being slidably connected with central shaft 432 of lower end and the connecting rod 434 for being connected sliding sleeve 435 Yu twining screw mandrel 431, connecting rod
434 both ends are respectively hinged on sliding sleeve 435 and connecting rod 434.The specific screw mandrel 431 that twines is four, and equal in circumferencial direction
Cloth.Welding rod wire rod 6 connects and fixes to be twined on silk wheel 42 again, and sliding sleeve 435 is connected by connecting rod 434 with twining the lower end of screw mandrel 431, sliding sleeve
435 are slidably connected with central shaft 432, and central shaft 432 is provided with the limiting stand that anti-anti-skid sheath 435 comes off, and sliding sleeve 435 is positioned at spacing
The lower end diameter maximum of guide frame 43 is twined when on platform, fixed mount 433 is fixedly connected with central shaft 432, passes through the position of moving sliding sleeve 435
The diameter for twining the bottom of guide frame 43 can be adjusted by putting, and when sliding sleeve 435 is moved up, the lower diameter for twining guide frame 43 diminishes, just
Come off in the welding rod wire rod 6 of winding.
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, it is more than 2 sets to draw and dial device 3, and adjacent drawing is provided with guiding mechanism between dialling device.More than 2 sets of draw-off gear 3 is successively
Arrangement, between the guiding mechanism for changing welding rod wire direction, last a set of draw-off gear 3 and welding rod wire collecting device 4 are set
Between be also equipped with guiding mechanism.Specifically draw-off gear 3 is four sets, and adjacent draw-off gear 3 is serially connected, can be according to weldering
The diameter of the diameter of bar wire rod 6 and required welding rod wire rod 6 selects the number of draw-off gear 3, connects between draw-off gear 3, can be with
Selection is one or more, carries out drawing so as to obtain the welding rod wire rod 6 of different-diameter, easy to use, flexible, passes through multiple drawings
The tandem compound of device 3 can select to carry out different number drawings, so as to obtain the welding rod wire rod 6 of different-diameter.
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Mode is applied, guiding mechanism is pulley guiding mechanism.Pulley guiding mechanism is simple in construction, easy to use, and guide effect is good.
Specifically, 1 to Fig. 3 is referred to, one kind specific implementation as welding rod wire rod drawing machine provided by the utility model
Mode, pulley guiding mechanism include the conducting wire pole 33 and fixed pulley 39 for setting pulling rolls 32, and fixed pulley 39 passes through pulley fixed frame
34 are fixed in frame 1.Welding rod wire rod 6 by pulling rolls 32 wind after, then pass sequentially through conducting wire pole 33, fixed pulley 39 with it is next
Directive wheel 37 on set draw-off gear 3 is led in the bellmouth back into the drawing die 5 of the set draw-off gear 3, wire-drawing die 5 with
Frame 1 is be hinged to fix, the angle for being easy to adjust drawing die 5.
Further, Fig. 1 to Fig. 3 is referred to, one kind as welding rod wire rod drawing machine provided by the utility model is specific
Embodiment, frame 1 are provided with locating shaft 11, and pulling rolls 32 are set on locating shaft 11, rotatably fixed on locating shaft 11
Provided with the fixed disk for fixing conducting wire pole 33.Fixed disk can rotate around locating shaft 11, and the convenient position to conducting wire pole 33 is entered
Row adjustment, then fixation are used again.
Further, Fig. 1 to Fig. 3 is referred to, one kind as welding rod wire rod drawing machine provided by the utility model is specific
Embodiment, rotatable be provided with is used for the godet that welding rod wire rod 6 is oriented on conducting wire pole 33.Godet, which is provided with, to be used to accommodate
The seal wire groove of welding rod wire rod 6.Welding rod wire rod 6 is oriented to after being stretched out from pulling rolls 32 by conducting wire pole 33, will not cause welding rod line
Material 6 is overall loose, and godet is set on conducting wire pole 33, can carry out spacing, guarantee welding rod wire rod to welding rod wire rod 6 with seal wire groove
Stability when 6 stretchings and welding rod wire rod 6 move.
Further, Fig. 1 to Fig. 3 is referred to, one kind as welding rod wire rod drawing machine provided by the utility model is specific
Embodiment, fixed pulley 39 are fixedly installed on fixed rotating shaft 36, and fixed rotating shaft 36 is be hinged to be arranged on pulley fixed frame 34, is led
Silk wheel can rotate around fixed rotating shaft 36, and the outside of fixed pulley 39 is provided with the shield being fixed on fixed rotating shaft 36, under shield
Side, which is provided with, to be used to prevent welding rod wire rod 6 from swinging the gear silk ring 35 to come off, and welding rod wire rod 6 is positioned at the inner side of gear silk ring 35.Keep off silk ring 35
For strip, the inside of gear silk ring 35 is slotted hole, and the length of the slotted hole of the inner side of gear silk ring 35 is more than the diameter of fixed pulley 39,
Ensure that gear silk ring 35 will not cause larger resistance to welding rod wire rod 6.
Specifically, 1 to Fig. 3 is referred to, one kind specific implementation as welding rod wire rod drawing machine provided by the utility model
Mode, actuating unit include the first motor 31 and gearbox 11.Welding rod wire collecting device 4 also includes twining silk wheel 42 for driving
The second motor 41.Pulling rolls 32 and twine silk wheel 42 speed change is passed through by independent corresponding first motor 31 and the second motor 41
Case 11 is driven, and individually velocity of rotation can be controlled, easy to use, substantially increase production efficiency.
Further, a kind of embodiment as welding rod wire rod drawing machine provided by the utility model, the first electricity
The motor 41 of machine 31 and second is variable-frequency motor.First motor 31 and the slowly speed-raising on startup of the second motor 41, the first motor
31 and second motor 41 by gearbox drive corresponding to pulling rolls 32 and twine silk wheel 42 and rotate, due to being slowly to accelerate, start
When slow drawing welding rod wire rod 6, effect is more preferable.
Further, Fig. 2 and Fig. 3 is referred to, one kind as welding rod wire rod drawing machine provided by the utility model is specific
Embodiment, frame 1 are provided with emergency stop switch 14, the bracing wire 13 for starting emergency stop switch 14 are connected with emergency stop switch 14,
Frame 1 is provided with the bracing wire perforation 12 for being used to fix bracing wire 13.By setting emergency stop switch 14, it is ensured that in welding rod wire rod 6
If there is problem in equipment running process, it can ensure that equipment is urgent by pulling bracing wire 13, so as to start emergency stop switch 14
Parking, bracing wire 13 are arranged on the side of frame 1, the side nearer apart from staff, are easy to staff to operate.
Further, 1 to Fig. 3 is referred to, as a kind of specific real of welding rod wire rod drawing machine provided by the utility model
Apply mode, wire-drawing die 5 is provided with the cooler bin 52 for cooling, and cooler bin 52 is provided with inlet opening and apopore, inlet opening and
Apopore is connected with cooling water pipe respectively.Lubricant is equipped with wire-drawing die 5 and wire-drawing die 5.It is talcum powder or profit to have lubricant
Smoothers, set lubricant preferably to carry out drawing, reduce the coefficient of friction of welding rod wire rod 6 and wire-drawing die 5 and wire-drawing die 5,
Drawing effect is more preferable, is not easy to break.
Further, refering to Fig. 3, a kind of specific embodiment party as welding rod wire rod drawing machine provided by the utility model
Formula, frame 1 are provided with baffle plate 15, and baffle plate 15 is arranged between the motor 31 of pulling rolls 32 and first and twined the electricity of silk wheel 42 and second
Between machine 41.Set baffle plate 15 will not to be infected with dust on guarantee welding rod wire rod 6, moreover it is possible to prevent welding rod wire rod 6 from breaking with dust-proof
The part closed on is damaged afterwards.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. welding rod wire rod drawing machine, it is characterised in that:Including frame(1), frame(1)On be sequentially with welding rod wire surface oxidation
Skin removal device(2), draw dial device(3), the welding rod wire surface oxide skin removal device(2)Including at least a peeling rolling
Wheel;Described draw dials device(3)Including the drawing molding provided with bellmouth(5), draw dial roller(32)And for driving the pulling rolls
(32)Actuating unit.
2. welding rod wire rod drawing machine as claimed in claim 1, it is characterised in that:The welding rod wire surface oxide skin removes dress
Put(2)Including 2 peeling rollers, one of them is horizontal peeling roller(22), another is vertical peeling roller(23).
3. welding rod wire rod drawing machine as claimed in claim 1 or 2, it is characterised in that:The welding rod wire surface oxide skin is gone
Except device(2)Also include 1 guide pipe(21).
4. welding rod wire rod drawing machine as claimed in claim 1, it is characterised in that:Described draw dials device(3)Drawing die(5)'s
Above it is additionally provided with guide roller(51)Or directive wheel(37).
5. welding rod wire rod drawing machine as claimed in claim 1, it is characterised in that:Also include being arranged on the drawing group device(3)
The welding rod wire collecting device of rear side(4).
6. welding rod wire rod drawing machine as claimed in claim 5, it is characterised in that:The welding rod wire collecting device(4)Including
It is arranged on the frame(1)On twine silk wheel(42), be plugged on and described twine silk wheel(42)On twine guide frame(43), it is described to twine silk wheel
(42)It is provided with and twines guide frame with described(43)The installation neck of cooperation.
7. welding rod wire rod drawing machine as claimed in claim 1, it is characterised in that:Described draw dials device(3)For more than 2 sets, phase
Neighbour is provided with guiding mechanism between drawing group device.
8. welding rod wire rod drawing machine as claimed in claim 7, it is characterised in that:The guiding mechanism is pulley guiding mechanism.
9. welding rod wire rod drawing machine as claimed in claim 8, it is characterised in that:The pulley guiding mechanism is included described in setting
Pulling rolls(32)Conducting wire pole(33)And fixed pulley(39), the fixed pulley(39)Pass through pulley fixed frame(34)It is fixed on described
Frame(1)On.
10. welding rod wire rod drawing machine as claimed in claim 1, it is characterised in that:The actuating unit includes the first motor
(31)And gearbox(11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720311916.8U CN206676946U (en) | 2017-03-28 | 2017-03-28 | Welding rod wire rod drawing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720311916.8U CN206676946U (en) | 2017-03-28 | 2017-03-28 | Welding rod wire rod drawing machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206676946U true CN206676946U (en) | 2017-11-28 |
Family
ID=60390289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720311916.8U Active CN206676946U (en) | 2017-03-28 | 2017-03-28 | Welding rod wire rod drawing machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206676946U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106734353A (en) * | 2017-03-28 | 2017-05-31 | 石家庄旭家焊接材料有限公司 | Welding rod wire rod drawing machine |
-
2017
- 2017-03-28 CN CN201720311916.8U patent/CN206676946U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106734353A (en) * | 2017-03-28 | 2017-05-31 | 石家庄旭家焊接材料有限公司 | Welding rod wire rod drawing machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205527045U (en) | That adopts that price fixing receives line mode moves a set device certainly | |
CN104401806B (en) | A kind of hollow degassing film silk coiler device | |
CN204454042U (en) | A kind of automatic switchover collecting device of optical fiber screening after-combustion | |
CN206676946U (en) | Welding rod wire rod drawing machine | |
CN106734353A (en) | Welding rod wire rod drawing machine | |
CN105913970A (en) | Multi-start annealing and doubling take-up machine | |
CN207061536U (en) | Cable processes full-automatic spin changeover panel wire rewinding and paying off machine | |
CN204234486U (en) | A kind of power external copper wire drawbench | |
CN110685044A (en) | Yarn twisting device suitable for multifunctional textile fabric | |
CN209516487U (en) | A kind of peeling machine for cable peeling | |
CN205429598U (en) | Spool threading machine | |
CN112390083B (en) | Anti-winding type roller for textile machine | |
CN206901470U (en) | A kind of automatic winder | |
CN106829653A (en) | A kind of method of work of duplex bearing regulator cubicle collection wire harness adhesive tape winding system | |
CN213469130U (en) | Take-up device for producing anaerobic copper wires | |
CN207947105U (en) | A kind of computer thread opener pay off rack | |
CN220392892U (en) | Wire installation winding and unwinding devices | |
CN109484913A (en) | A kind of cable intelligence line winder | |
CN219991792U (en) | Continuous collection device of electrostatic spinning nanofiber | |
CN220812776U (en) | Two-for-one twisting device with dust removing mechanism | |
CN213265092U (en) | Take macroaxis take-up of protection casing | |
CN218274118U (en) | Wrapping machine | |
CN213421547U (en) | Cooling treatment device for processing liquid wiping rod | |
CN217626913U (en) | Silk winder yarn guide device | |
CN213326088U (en) | Cellulose casing double-coiling device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |