CN105344793B - Air-conditioner fin rolling cut submodule - Google Patents
Air-conditioner fin rolling cut submodule Download PDFInfo
- Publication number
- CN105344793B CN105344793B CN201510806114.XA CN201510806114A CN105344793B CN 105344793 B CN105344793 B CN 105344793B CN 201510806114 A CN201510806114 A CN 201510806114A CN 105344793 B CN105344793 B CN 105344793B
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- Prior art keywords
- sliding seat
- air
- hob assembly
- conditioner fin
- bracket
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/022—Making the fins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a kind of air-conditioner fin rolling cut submodule, the rolling cut submodule includes support component and the hob assembly that is arranged in the support component, and the hob assembly includes the mutual upper hob assembly and lower hob assembly for rolling cooperation.Rolling cutting makes air-conditioner fin slitting without Repeated Cutting part, and impulse- free robustness generates, and slitting is smooth, flat appearance, can reach 100% yield, and the process for mainly saving one of deburring is conducive to automated production, time saving and energy saving, effectively reduces product cost.
Description
Technical field
The present invention relates to molds, particularly, are related to a kind of air-conditioner fin rolling cut submodule.
Background technique
Referring to Fig. 1, being air-conditioner fin structural schematic diagram in the prior art.Several pieces air-conditioner fins 1 are folded fall together through
Cross poling, tube is combined into one, form evaporator and condenser, be the important component of heat exchanger of air condition.
Air-conditioner fin 1 is by mold machine-shaping, and fin die belongs to a kind of continuous stamping die, by aluminium strip copper strips
Stainless steel etc. strikes out precision die of various shapes, and product produced is chiefly used in refrigeration radiating industry.Fin die includes
Air-conditioner fin die, high flange fin die, refrigerator fin die, specific use fin die etc..Air-conditioner fin die is applicable in
In domestic air conditioning, central air-conditioning, dehumidifier etc., main punching material is aluminium foil.Referring to Fig. 3, being existing air-conditioner fin mould
Lamps structure mainly includes cope plate 2 and lower template 3, is provided between cope plate 2 and lower template 3 and stretches submodule 10, punching
Submodule 11, windowing submodule 12, flanging sub-die 13, abnormity cuts submodule 14, submodule 15 is cut on side, correcting submodule 16, slit sub-die 17, draws
Material for making clothes mould 18, transverse cutting sub-die 19 Bu Tong also will increase ironing submodule, shutter submodule by mould structure and product piece type
Deng.
Referring to Fig. 2, the air-conditioner fin that air-conditioner fin 1(monolith is not cut also) in fin die slitting by slit sub-die
17 cut completion along dotted line 20 shown in figure.Referring to Fig. 4, the longitudinal knife of slit sub-die 17 is punched slitting, working method is such as
Under: the every punching of mold is primary, and material advances a stepping length to discharging direction, by longitudinal knife top slitter 171 with it is longitudinal sectional
It is primary to cut 172 cuttings, in order to guarantee to cut completely through, general longitudinal sectional length of cutting can be greater than stepping length, will in process
There is the phenomenon that generating cutting edge Repeated Cutting.
Due to upper and lower longitudinal knife installation accuracy problem and mold between the dynamic departure date air-conditioner fin can have in a mold slightly
The phenomenon that swings of degree, Repeated Cutting will generate cuts burr again, and fraction defective is high.Moreover, after air-conditioner fin production and assembly
It is not allow for this burr, it is necessary to increase the process of one of deburring.Increase manpower and material resources, efficiency is reduced, increase accordingly into
This.
Summary of the invention
It is an object of that present invention to provide a kind of air-conditioner fin rolling cut submodules, to solve in the prior art, air-conditioner fin processing
It can generate and cut burr again, the problem of fraction defective is high, but also needs to increase the process of deburring, low efficiency at high cost.
To achieve the above object, the present invention provides a kind of air-conditioner fin rolling cut submodule, and the rolling cut submodule includes support group
Part and the hob assembly being arranged in the support component, the hob assembly include the mutual upper hob assembly for rolling cooperation
With lower hob assembly.
Further, the upper hob assembly includes upper slitter fixing sleeve, is provided with upper bearing (metal) in the upper slitter fixing sleeve, institute
It states and upper fixing axle is set in upper bearing (metal), the two sides of the upper slitter fixing sleeve are respectively fixed with cutter；The lower hob assembly packet
It includes and cuts fixing sleeve, described cut is provided with lower bearing in fixing sleeve, lower fixing axle is arranged in the lower bearing, described to cut admittedly
Surely the two sides covered are respectively fixed with bottom knife；The installation opposite with the cutting edge of the bottom knife of the cutting edge of the cutter.
Further, the upper slitter fixing sleeve and described cut are respectively arranged with adjustment gasket on the outside of fixing sleeve.
Further, the two sides of the upper bearing (metal) and lower bearing are respectively arranged with sealing shroud.
Further, the support component includes upper backup pad and lower supporting plate, and the both ends of the upper backup pad are set respectively
It is equipped with sliding seat, the both ends of the lower supporting plate are respectively arranged with lower sliding seat, the upper sliding seat and the lower sliding seat
It is movably hinged by connecting pin；The side of the upper backup pad is provided with bracket upper mounting plate, the side of the bracket upper mounting plate
Face is provided with multiple groups upper bracket, and card slot is opened up on the upper bracket, and the both ends of the upper bearing (metal) are fastened on the card of the upper bracket
In slot；The side of the lower supporting plate is provided with bracket lower installation board, and the side of the bracket lower installation board is provided under multiple groups
Bracket opens up card slot on the lower bracket, and the both ends of the lower bearing are fastened in the card slot of the lower bracket.
Further, it is provided in the support component between the calibration upper hob assembly and the lower hob assembly cooperation
The positioning device of gap.
Further, the positioning device includes the upper positioning being arranged between the upper sliding seat and the lower sliding seat
Block, lower locating piece and limited block, the upper locating piece are fixed with the upper sliding seat, the lower locating piece and the lower sliding seat
Fixed, the upper locating piece and the lower locating piece cooperate；And it is arranged in the upper sliding seat and the lower sliding seat
The limit extension bar of side, described limit extension bar one end are fixed with the upper sliding seat, and the other end is fixed with the lower sliding seat.
Further, raising screw, the stud end of the raising screw and the limit are provided in the upper sliding seat
Block is opposite.
Further, two pieces of stock guides are installed between the upper hob assembly and the lower hob assembly.
The invention has the following advantages:
Rolling cut submodule rolls cutting, makes air-conditioner fin slitting without Repeated Cutting part, and impulse- free robustness generates, and slitting is smooth, outside
It sees smooth, 100% yield can be reached, the process for mainly saving one of deburring is conducive to automated production, and it is time saving and energy saving,
Effectively reduce product cost.
Detailed description of the invention
Below with reference to figure, the present invention is described in further detail.The attached drawing constituted part of this application is used to
A further understanding of the present invention is provided, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute
Inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of air-conditioner fin；
Fig. 2 is the structural schematic diagram for the air-conditioner fin not cut also；
Fig. 3 is air-conditioner fin die structural schematic diagram in the prior art；
Fig. 4 is that slit sub-die cuts the schematic diagram of air-conditioner fin in air-conditioner fin die in the prior art；
Fig. 5 is the structural schematic diagram of air-conditioner fin die in the present invention；
Fig. 6 is the structural schematic diagram of air-conditioner fin rolling cut submodule preferred embodiment of the present invention；
Fig. 7 is hob assembly cross-sectional view in air-conditioner fin rolling cut submodule preferred embodiment of the present invention；
Fig. 8 is hob assembly side view in air-conditioner fin rolling cut submodule preferred embodiment of the present invention；
Fig. 9 is the structural schematic diagram of support component in air-conditioner fin rolling cut submodule preferred embodiment of the present invention；
Figure 10 is the upper backup pad and lower supporting plate of support component in air-conditioner fin rolling cut submodule preferred embodiment of the present invention
The schematic diagram of cooperation.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.
Referring to Fig. 5, the preferred embodiment of the present invention provides a kind of air-conditioner fin die, including cope plate 2 and lower die
Plate 3 is disposed between the cope plate 2 and the lower template 3 along the transmission direction of air-conditioner fin and stretches submodule 10, punching
Hole submodule 11, windowing submodule 12, flanging sub-die 13, abnormity cuts submodule 14, submodule 15 is cut on side, draws material for making clothes mould 18 and transverse cutting sub-die
19, the side cuts and is provided with rolling cut submodule 100 between submodule 15 and the drawing material for making clothes mould 18, and the rolling cut submodule 100 includes branch
Support component and the hob assembly being arranged in the support component, the hob assembly include the mutual upper hobboing cutter for rolling cooperation
Component and lower hob assembly.
The air-conditioner fin die when processing air-conditioner fin, first aluminium strip by feeding mechanism be sent to stretch submodule 10 into
Row, which is packaged, to be stretched, and then successively through 11 punching of piercing die, the submodule 12 that opens a window opens a window, and piercing die 11 is punched by flanging sub-die 13
Aperture carry out flange, abnormity cut submodule 14 carry out fin abnormity notch processing, while cut submodule 15 cut off both sides waste material, rolling cut
The upper hob assembly of submodule 100 and the rolling of lower hob assembly cut carry out slitting, draw material for making clothes mould 18 that fin is driven to move ahead, fin warp
Transverse cutting sub-die 19 is crossed, crosscutting processing is carried out when air-conditioner fin length reaches product size, fin machining is completed.Due to rolling cut
Mould 100 is cut by upper hob assembly and the rolling of lower hob assembly, and relatively traditional longitudinal sectional mode does not need the straight of punching machine
Power is connect, is not connect with the cope plate of mold 2, so the dimensions length direction of the top mold holder 2 of mold can become smaller, mitigates upper mold
The processing cost of 2 weight of plate, top mold holder reduces, and can increase to the service life of punching machine.Meanwhile cutting way is rolled, make
Air-conditioner fin slitting is generated without Repeated Cutting part, impulse- free robustness, and slitting is smooth, flat appearance, can reach 100% yield, main
The process for saving one of deburring is conducive to automated production, time saving and energy saving, effectively reduces product cost.
Fig. 6 to Fig. 8 is please referred to, the upper hob assembly includes upper slitter fixing sleeve 101, is set in the upper slitter fixing sleeve 101
It is equipped with upper bearing (metal) 102, upper fixing axle 103 is set in the upper bearing (metal) 102, and the two sides of the upper slitter fixing sleeve 101 are fixed respectively
There is cutter 104.The lower hob assembly includes cutting fixing sleeve 105, and described cut in fixing sleeve 105 is provided with lower bearing
106, the lower bearing 106 is interior to be arranged lower fixing axle 107, and the two sides for cutting fixing sleeve 105 are respectively fixed with bottom knife
108.The installation opposite with the cutting edge of the bottom knife 108 of the cutting edge of the cutter 104.
Cutter 104 is fixed by installation screw and upper slitter fixing sleeve 101, and upper bearing (metal) 102 is arranged in upper slitter fixing sleeve 101
Interior, upper fixing axle 103 is threaded through axial restraint in upper bearing (metal) 102, and 101 radial direction of upper slitter fixing sleeve can rotate.Bottom knife
108 fix by installation screw with fixing sleeve 105 is cut, and the setting of lower bearing 106 is being cut in fixing sleeve 105, lower fixing axle 107
It is threaded through axial restraint in lower bearing 106, cutting 105 radial direction of fixing sleeve can rotate.When work, cutter 104 is under
Blade 108 relatively rotates, and realizes that rolling is cut to air-conditioner fin.
It preferably, is the installation and adjustment convenient for hob assembly, the upper slitter fixing sleeve 101 cuts fixing sleeve with described
105 outside is respectively arranged with adjustment gasket 109.
Preferably, to avoid impurity from entering in bearing, the damage of upper bearing (metal) 102 Yu lower bearing 106, the upper axis are caused
It holds 102 and is respectively arranged with sealing shroud 110 with the two sides of lower bearing 103.Sealing shroud 110 is to upper bearing (metal) 102 and the two of lower bearing 103
Side is sealed respectively.
Fig. 9 and Figure 10 are please referred to, the support component includes upper backup pad 201 and lower supporting plate 202, the upper backup pad
201 both ends are respectively arranged with sliding seat 203, and the both ends of the lower supporting plate 202 are respectively arranged with lower sliding seat 204, institute
It states sliding seat 203 and is movably hinged with the lower sliding seat 204 by connecting pin 205.The side of the upper backup pad 201 is arranged
There is bracket upper mounting plate 206, the side of the bracket upper mounting plate is provided with multiple groups upper bracket 207, opens on the upper bracket 207
If card slot, the both ends of the upper bearing (metal) 102 are fastened in the card slot of the upper bracket 207.The side of the lower supporting plate 202 is set
It is equipped with bracket lower installation board, the side of the bracket lower installation board is provided with multiple groups lower bracket 208, opens on the lower bracket 208
If card slot, the both ends of the lower bearing 106 are fastened in the card slot of the lower bracket 208.
Chopper in other industries uses whole group mounting means, cannot individually to an other blade when row replace,
The plant maintenance time is long and maintenance difficulties are big.Using this support component, hob assembly can be grouped installation, and every group of blade can be with
Precision is individually adjusted, is individually replaced, the replacement of Adjustment precision and blade will not have an impact other knife groups, greatly save
Mold maintenance time, reduces maintenance difficulties.
Preferably, for convenient for debugging hob assembly, raising cutting precision；Preferably, school is provided in the support component
The positioning device of the quasi- upper hob assembly and the lower hob assembly fit clearance.The positioning device includes being arranged described
Upper locating piece 209, lower locating piece 210 and limited block 211 between upper sliding seat 203 and the lower sliding seat 204, it is described fixed
Position block 209 and the upper sliding seat 203 are fixed, and the lower locating piece 210 and the lower sliding seat 204 are fixed, the upper positioning
Block 209 and the lower locating piece 210 cooperate；And setting is in the upper sliding seat 203 and lower 204 side of sliding seat
The limit extension bar 212 in face, described 212 one end of limit extension bar and the upper sliding seat 203 are fixed, the other end and the lower sliding seat
204 is fixed.Under the limitation of this location structure, upper hob assembly and lower hob assembly can be realized accurate cooperation, product
Cutter size more standard.
Preferably, for convenience of upper backup pad 201 and lower supporting plate 202 is opened, raising is provided in the upper sliding seat 203
Screw 213, the stud end of the raising screw 213 and the limited block 211 are opposite.Screw raising screw 213, raising screw
213 end face can push up the upper surface of limited block 211, and upper backup pad 201 is to lift on fulcrum with connecting pin 205, corresponding upper rolling
Knife assembly can be separated with lower hob assembly.
Preferably, two pieces of stock guides 214 are installed between the upper hob assembly and the lower hob assembly, when wearing material,
Air-conditioner fin can be passed through from the gap between two pieces of stock guides 214, conveniently wear material.
When rolling cut submodule 100 works, upper backup pad 201 and lower supporting plate 202 are unclamped first, screws raising screw 213, rise
The end face for rising screw 213 can push up the upper surface of limited block 211, and upper backup pad 201 is to lift on fulcrum with connecting pin 205, accordingly
Upper hob assembly can be separated with lower hob assembly.
Air-conditioner fin 1 can across gap upper backup pad 201 and lower supporting plate 202 and two pieces of stock guides 214
Between gap, air-conditioner fin is completed by rolling cut submodule 100 and wears material.
After air-conditioner fin wears material, rolling cut submodule will participate in work, first release raising screw 213, guarantee and limit
Block 211 does not contact.
It is closed upper backup pad 201 and lower supporting plate 202, upper hob assembly can be with the blade cutting edge of lower hob assembly accordingly
Closure, rolling cut submodule 100 carry out cutting work.
This rolling cut submodule substitutes traditional longitudinally cutting, the air-conditioner fin impulse- free robustness produced produces by rolling cutting
Raw, slitting is smooth, flat appearance, can reach 100% yield, is not necessarily to subsequent artificial treatment burr, saves one of deburring
Process, be conducive to automated production, it is time saving and energy saving, effectively reduce product cost.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention；For the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of air-conditioner fin rolling cut submodule, it is characterised in that: the rolling cut submodule includes support component and is arranged described
Hob assembly in support component, the hob assembly include the mutual upper hob assembly and lower hob assembly for rolling cooperation；
The upper hob assembly includes upper slitter fixing sleeve, and upper bearing (metal) is provided in the upper slitter fixing sleeve, is set in the upper bearing (metal)
Fixing axle is set, the two sides of the upper slitter fixing sleeve are respectively fixed with cutter；The lower hob assembly includes cutting fixing sleeve,
Described cut is provided with lower bearing in fixing sleeve, lower fixing axle, the two sides for cutting fixing sleeve point are arranged in the lower bearing
Bottom knife is not fixed with it；The installation opposite with the cutting edge of the bottom knife of the cutting edge of the cutter；
The support component includes upper backup pad and lower supporting plate, and the both ends of the upper backup pad are respectively arranged with sliding seat,
The both ends of the lower supporting plate are respectively arranged with lower sliding seat, the upper sliding seat and the lower sliding seat and pass through connecting pin activity
Hingedly；
The side of the upper backup pad is provided with bracket upper mounting plate, and the side of the bracket upper mounting plate, which is provided in multiple groups, props up
Frame opens up card slot on the upper bracket, and the both ends of the upper bearing (metal) are fastened in the card slot of the upper bracket；
The side of the lower supporting plate is provided with bracket lower installation board, and the side of the bracket lower installation board is provided under multiple groups and props up
Frame opens up card slot on the lower bracket, and the both ends of the lower bearing are fastened in the card slot of the lower bracket.
2. air-conditioner fin rolling cut submodule according to claim 1, it is characterised in that:
The upper slitter fixing sleeve and described cut are respectively arranged with adjustment gasket on the outside of fixing sleeve.
3. air-conditioner fin rolling cut submodule according to claim 1, it is characterised in that:
The two sides of the upper bearing (metal) and lower bearing are respectively arranged with sealing shroud.
4. air-conditioner fin rolling cut submodule according to claim 1, it is characterised in that:
The positioning device for calibrating the upper hob assembly and the lower hob assembly fit clearance is provided in the support component.
5. air-conditioner fin rolling cut submodule according to claim 4, it is characterised in that:
The positioning device include the upper locating piece being arranged between the upper sliding seat and the lower sliding seat, lower locating piece with
Limited block, the upper locating piece are fixed with the upper sliding seat, and the lower locating piece is fixed with the lower sliding seat, described fixed
Position block and the lower locating piece cooperate；And the upper sliding seat is set and the limit of the lower sliding seat side connects
Bar, described limit extension bar one end are fixed with the upper sliding seat, and the other end is fixed with the lower sliding seat.
6. air-conditioner fin rolling cut submodule according to claim 5, it is characterised in that:
Raising screw is provided in the upper sliding seat, the stud end of the raising screw is opposite with the limited block.
7. air-conditioner fin rolling cut submodule according to claim 1 to 6, it is characterised in that:
Two pieces of stock guides are installed between the upper hob assembly and the lower hob assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510806114.XA CN105344793B (en) | 2015-11-20 | 2015-11-20 | Air-conditioner fin rolling cut submodule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510806114.XA CN105344793B (en) | 2015-11-20 | 2015-11-20 | Air-conditioner fin rolling cut submodule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105344793A CN105344793A (en) | 2016-02-24 |
| CN105344793B true CN105344793B (en) | 2019-01-18 |
Family
ID=55320934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510806114.XA Active CN105344793B (en) | 2015-11-20 | 2015-11-20 | Air-conditioner fin rolling cut submodule |
Country Status (1)
| Country | Link |
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| CN (1) | CN105344793B (en) |
Citations (8)
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|---|---|---|---|---|
| JPH10202421A (en) * | 1997-01-16 | 1998-08-04 | Nikon Corp | Multi-split cutting device |
| CN201380325Y (en) * | 2009-04-09 | 2010-01-13 | 常州市伯山机械有限公司 | Slitting device for rewinding machine |
| CN201859910U (en) * | 2010-10-19 | 2011-06-08 | 王庆活 | Novel adjustable slitting machine for pole piece |
| CN202984802U (en) * | 2012-11-01 | 2013-06-12 | 浙江天能能源科技有限公司 | Wafer cutting knife of battery pole piece |
| CN103480905A (en) * | 2013-09-23 | 2014-01-01 | 珠海格力电器股份有限公司 | Cutting tool |
| CN203944730U (en) * | 2014-07-15 | 2014-11-19 | 扬州恒德模具有限公司 | Numerical control bending rolling cut assembling die |
| CN204052623U (en) * | 2014-09-04 | 2014-12-31 | 珠海天达电器有限公司 | A kind of radiator sliding cutting mould |
| CN205587502U (en) * | 2015-11-20 | 2016-09-21 | 无锡国誉精密机械有限公司 | Air conditioner fin rolls and cuts submodule |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6671172B2 (en) * | 2001-09-10 | 2003-12-30 | Intel Corporation | Electronic assemblies with high capacity curved fin heat sinks |
-
2015
- 2015-11-20 CN CN201510806114.XA patent/CN105344793B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10202421A (en) * | 1997-01-16 | 1998-08-04 | Nikon Corp | Multi-split cutting device |
| CN201380325Y (en) * | 2009-04-09 | 2010-01-13 | 常州市伯山机械有限公司 | Slitting device for rewinding machine |
| CN201859910U (en) * | 2010-10-19 | 2011-06-08 | 王庆活 | Novel adjustable slitting machine for pole piece |
| CN202984802U (en) * | 2012-11-01 | 2013-06-12 | 浙江天能能源科技有限公司 | Wafer cutting knife of battery pole piece |
| CN103480905A (en) * | 2013-09-23 | 2014-01-01 | 珠海格力电器股份有限公司 | Cutting tool |
| CN203944730U (en) * | 2014-07-15 | 2014-11-19 | 扬州恒德模具有限公司 | Numerical control bending rolling cut assembling die |
| CN204052623U (en) * | 2014-09-04 | 2014-12-31 | 珠海天达电器有限公司 | A kind of radiator sliding cutting mould |
| CN205587502U (en) * | 2015-11-20 | 2016-09-21 | 无锡国誉精密机械有限公司 | Air conditioner fin rolls and cuts submodule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105344793A (en) | 2016-02-24 |
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Effective date of registration: 20251021 Address after: 116600, Jinping Street, No. 42-3, First Floor, Economic and Technological Development Zone, Dalian City, Liaoning Province Patentee after: Dalian Guoyu Precision Machinery Co.,Ltd. Country or region after: China Address before: 214000 Jiangsu Province, Xishan District, Wuxi City, East No. 98 Furu Second Road (East Area of Chunxing Industrial Park) Patentee before: WUXI GUOYU PRECISION MACHINERY Co.,Ltd. Country or region before: China |
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