CN110396907A - A kind of knife rest - Google Patents
A kind of knife rest Download PDFInfo
- Publication number
- CN110396907A CN110396907A CN201910694411.8A CN201910694411A CN110396907A CN 110396907 A CN110396907 A CN 110396907A CN 201910694411 A CN201910694411 A CN 201910694411A CN 110396907 A CN110396907 A CN 110396907A
- Authority
- CN
- China
- Prior art keywords
- cutter head
- main body
- supporting mass
- knife rest
- receiving portion
- 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
Links
- 238000003754 machining Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000003082 abrasive agent Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
Abstract
This case is for ground side machining apparatus, especially mills the knife rest of road machine, and the knife rest has main body, clamp device, cutter head, and main body has receiving portion, and the cutter head is arranged in the receiving portion of main body in a manner of disposable by clamp device.This case is in practical work process, when a lateral wearing of cutter head, when needing to adjust the rotary position of cutter head, unworn cutter head side can be quickly located, and, due to limited block face and being bonded to each other for groove face is limited, forms interlocking form, loosening or the trend that falls off when also further limiting cutter head work.Each limited block face of cutter head is transformed primary, make its even wearing, in the case of making full use of the anti-abrasive material of cutter head, save the cost, and, so that point of a knife, head, supporting mass and main body service life match coordination, them can be allowed to reach their limit of wear at substantially the same time with optimal design.
Description
Technical field
The present invention relates to a kind of for ground side machining apparatus, especially mills the knife rest with replacement function of road machine.The knife
Frame has main body, clamp device, cutter head, wherein main body has receiving portion, also, the cutter head is by point of a knife, head, supporting mass
It constitutes, the cutter head is arranged in the receiving portion of main body in a manner of disposable by clamp device.
Background technique
Milling road machine is the tool for removing road surface or using when renovating road surface, and in use, especially milling cutter needs
It is subjected to continuous wear process.If reaching certain state of wear, tool is needed replacing, because of otherwise next process efficiency
It is extremely low.The milling cutter that Milling Machine needs replacing is very expensive.
The cutter device (Patent No. DE102015112988.4) as disclosed in 2015.08.06, cutter device tool
There is carrier, be fixed with cutting insert on the carrier, wherein the carrier has body portion, on described matrix part
Holding attachment including receiving portion is projectedly installed, wherein the cutting insert is at least partially disposed in described accommodation section
In, and wherein, fixing fitting is arranged being relatively fixed on side with the holding attachment, and it includes superhard that the cutting insert, which has,
The point of a knife of material, and the holding attachment at least at it along the region of direction of feed front between point of a knife and body portion
Carry hard material element in region.Cutting insert has head, and the point of a knife is fixed on the head, and the head
At least partially consist of such materials, the wear resistance of the material is less than point of a knife but is greater than the material for keeping attachment.Institute
State that head is at least local to be made of hard metal.Cutting insert has bar portion, and cutting insert is packed by the bar portion and keeps attachment
Receiving portion in.Cutting insert dished transition part of shape in the transitional region between head and bar portion, so that the receiving
Portion forms the transition part of convex, and offer composite material, especially solder in the region of the two transition parts in this region
The gap area of filling.The head of cutting insert is widened since point of a knife towards the direction of holding attachment.Point of a knife has supporting mass, institute
The head for stating supporting mass and cutting insert connects, preferred weld, so that apply one or more middle layers on the supporting mass,
Outermost in middle layer applies covering layer on the side of supporting mass, and the material of covering layer is than the material of the middle layer
Expect harder.Hard material element is formed by paint solidification, such as built-up welding, plasma paint solidification etc.；And/or the hard material
Material element is formed by one or more hard material sections, and the hard material section is connect with the holding attachment.
Above-mentioned cutter device is integral structure, and point of a knife, keeps attachment to be fixedly connected by welding one at cutting insert
It rises, such drawback is, always a position, abrasion is uneven for the service wear of the three parts, causes expensive point of a knife
Coating and cutting insert play completely not yet uses function, and cutter device would have to be replaced, and forms greatly waste.
Summary of the invention
In order to overcome the deficiencies of the prior art, it can make full use of the wear-resistant of cutter head the purpose of the present invention is to provide a kind of
Material, save the cost, the knife rest with mapping function.
To achieve the above object, the invention is realized by the following technical scheme:
For ground side machining apparatus, especially mill road machine knife rest, the knife rest have main body, clamp device, cutter head, main body
With receiving portion, the cutter head is arranged in the receiving portion of main body in a manner of disposable by clamp device.
Preferably, the knife rest, wherein the cutter head includes point of a knife, head, supporting mass；The bearing of the cutter head
Body has holding bar portion, and the holding bar portion has the second central axis L1, and the cutter head is arranged by the holding bar portion of supporting mass
In the receiving portion of main body.
Preferably, the knife rest, wherein the receiving portion of the main body has the first central axis L, described accommodation section
The first central axis L and keep bar portion the second central axis L1 coincide.
Preferably, the knife rest, wherein the receiving portion of the main body has recessed stationary plane, also, stationary plane
Plain line and the first central axis L formed angle α, the angular range of angle α is between 3 ° -10 °.
Preferably, the knife rest, wherein the holding bar portion has retaining surface, also, the plain line of retaining surface and the
Two central axis L1 form angle β, and the angular range of angle β is between 3 ° -10 °.
Preferably, the knife rest, wherein the angle α=angle β, so that stationary plane and retaining surface are constituted and are bored
Shape matching relationship.
Preferably, the knife rest, wherein in the holding bar portion of the supporting mass around central axis L1 be disposed with to
Few two stress surfaces, each stress surface are arranged with the central axis L1 of supporting mass at angle γ respectively；The angle of angle γ
Range is between 10 ° -20 °.
Preferably, the knife rest, wherein the holding bar portion of the supporting mass is fitted into the appearance of main body along the direction V
After receiving in portion, clamp device is screwed in using its external screw thread along the direction V1 in the threaded hole of main body, passes through the compression of clamp device
At least two stress surfaces at least one of of the face paste together in supporting mass.
Preferably, the knife rest, wherein there is at least two and at least two stress surfaces difference on the supporting mass
Limited block face on same level；The supporting mass in the state of being installed in receiving portion, at least two limited block faces with
At least two limit groove faces having in main body mutually arbitrarily match, and adjust cutter head at least two stress surfaces at least with this
It is compacted rapid positioning when fitting on one side.
Preferably, the knife rest, wherein the point of a knife of the cutter head is at least local to be made of superhard alloy material,
Head is made of cemented carbide material, and supporting mass is made of alloy material, point of a knife, head, supporting mass hardness be against the direction V
It is gradually increased and passes through welding manner Hard link together, form integrality.
This case the utility model has the advantages that the knife rest of this case have main body, clamp device, cutter head, main body have receiving portion, the knife
Head is arranged in the receiving portion of main body in a manner of disposable by clamp device；In practical work process, when the one of cutter head
When lateral wearing, when needing to adjust the rotary position of cutter head, unworn cutter head side can be quickly located, also, due to
Limited block face is bonded to each other with limit groove face, forms interlocking form, loosening when also further limiting cutter head work
Or the trend that falls off.Each limited block face of cutter head is transformed primary, makes its even wearing, makes full use of the wear-resistant material of cutter head
In the case of material, save the cost, also, the service life of point of a knife, head, supporting mass and main body is matched coordination, Ke Yirang
They reach their limit of wear with optimal design at substantially the same time.Thus attached economic benefit of the invention has been reached.
After each limited block face is transformed primary, then the cutter head is also just made the best use of everything, at this point it is possible to replace a new knife
Head, the new cutter head can also convert limited block face, make its even wearing.
Detailed description of the invention
Fig. 1 is the whole three-dimensional view of knife rest of the invention；
Fig. 2 is the positive side explosive view of knife rest of the invention and the partial sectional view of main body；
Fig. 3 is the positive side full sectional view of knife rest of the invention；
Fig. 4 is the cutter head face upwarding view of knife rest of the invention；
Fig. 5 is the cutter head birds-eye perspective of knife rest of the invention；
Fig. 6 is the oblique side perspective view of the main body of knife rest of the invention；
Fig. 7 is the front perspective view of the main body of knife rest of the invention.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
Fig. 1, Fig. 2 shows for ground side machining apparatus, especially mill road machine a kind of knife rest with replacement function, it is described
Knife rest has main body 4, clamp device 5, cutter head 7, wherein main body 4 has receiving portion 4.4, also, the cutter head 7 passes through fastening
Device 5 is fixed on convertiblely in the receiving portion 4.4 of main body 4.
Preferably, cutter head 7 includes point of a knife 1, head 2, supporting mass 3, because the working face 1.2 of point of a knife 1 is in milling road
The forefront in face, so the working face 1.2 of point of a knife 1 is coated with superhard alloy material, such as polycrystalline diamond, it is known most hard
Hard material, point of a knife 1 are welded together by its mounting surface 1.1 and the mounting surface 2.4 on head 2.Head 2 is by cemented carbide material
It constitutes, hardness is lower than point of a knife 1, including working face 2.5, and head 2 is contained in supporting mass by its mounting surface 2.1,2.2,2.3,2.6
In 3 embedded division 3.5, supporting mass 3 is made of alloy material, and hardness is lower than head 2, is connected and fixed also with welding manner,
That is, point of a knife 1, head 2, supporting mass 3 hardness be to be gradually increased, and existed by welding manner Hard link against the direction V
Together, integrality is formed.
Also, the receiving portion 4.4 of the main body 4 has central axis L and recessed stationary plane 4.5, moreover, fixed
The plain line and central axis L in face 4.5 form angle α, and the range of angle α is between 3 ° -10 °, it follows that 4.4 shape of receiving portion
At a conical hollow cavity, in fact, the diameter of the hollow cavity of the cone is gradually increased against the direction V.
Meanwhile the supporting mass 3 of the cutter head 7 has holding bar portion 30, with central axis L1, keeps bar portion 30 to have and protects
Face 3.4 is held, also, the plain line of retaining surface 3.4 and central axis L1 form angle β, the range of angle β is shown between 3 ° -10 °
So, keep bar portion 30 form a cone shape, it can be achieved that, diameter is gradually reduced along the direction V.
As shown in Figure 3, cutter head 7 is fixed in the receiving portion 4.4 of main body 4 by the holding bar portion 30 of supporting mass 3.Also,
The central axis L of receiving portion 4.4 and the central axis L1 of holding bar portion 30 coincide, and set angle α=angle β, then, it is fixed
Face 4.5 and retaining surface 3.4 constitute taper fit relationship.Such advantage is, when the direction force and cutter head for installing cutter head 7 work
Stress, it is all direction V that the two direction, which is consistent,.Under the action of the power in the direction V, taper fit forms a kind of interference
Matching relationship, the fastening between retaining surface 3.4 and stationary plane 4.5 increase as the power in the direction V increases.
As shown in Figures 3 to 5, in the holding bar portion 30 of supporting mass 3 around central axis L1 be disposed with first to fourth by
Power face, respectively 3.1.1,3.1.2,3.1.3,3.1.4.Also, the first to fourth stress surface central axis with supporting mass 3 respectively
Line L1 is arranged at angle γ.Also, the central axis L of the central axis L3 of threaded hole 4.1 and supporting mass 3 is arranged at angle δ.Branch
Hold body 3 holding bar portion 30 be fitted into the receiving portion 4.4 of main body 4 along the direction V after, clamp device 5 utilize its external screw thread 5.2
It is screwed in along the direction V1 in the threaded hole 4.1 of main body 4, fits in supporting mass 3 eventually by the seal face 5.1 of clamp device 5
Any one in first to fourth stress surface, first to fourth stress surface is plane, and the end of such clamp device 5 is just pressed
Tight supporting mass limits its all freedom degree.The clamp device 5, usually screw, be threadedly engaged screw under the action of, by
In the effect of angle δ, the power F along the direction V can be generated, the effect of power F can further fasten supporting mass 3.As
It is preferred that angle δ is 40 ° -80 °.
As shown in Figures 4 to 7, the holding bar portion 30 of supporting mass 3 is in the state of being installed in 4 receiving portion 4.4 of main body,
First to fourth limited block face 3.2.1,3.2.2,3.2.3,3.2.4 and first to fourth limit groove face 4.2.1 of main body 4,
4.2.2,4.2.3,4.2.4 are mutually arbitrarily matched, and are pressed with this to adjust any one side in first to fourth stress surface of cutter head 7
It is close to rapid positioning when closing.Wherein, first to fourth limited block face 3.2.1,3.2.2,3.2.3,3.2.4 respectively with first to
4th stress surface 3.1.1,3.1.2,3.1.3,3.1.4 is on the same plane.Limited block face and limit groove face are in central axis L
Direction on be alignment relation, that is, any stress surface by clamp device 5 seal face compress when, any limited block face is also rigid
Good to limit matching by a limit groove face, such effect is, in practical work process, when a lateral wearing of cutter head,
When needing to adjust the rotary position of cutter head 7, unworn cutter head side can be quickly located, also, due to limited block face
With being bonded to each other for limit groove face, interlocking form is formd, is also further limited when cutter head 7 works and is loosened or fall off
Gesture.Each limited block face of cutter head 7 is transformed primary, makes its even wearing, makes full use of the anti-abrasive material situation of cutter head
Under, save the cost, also, the service life of point of a knife, head, supporting mass and main body is matched coordination, can allow they with
Optimal design reaches their limit of wear at substantially the same time.Thus attached economic benefit of the invention has been reached.When each
Limited block face all it is transformed it is primary after, then the cutter head 7 is also just made the best use of everything, at this point it is possible to replace a new cutter head 7,
Similarly, which can also convert four limited block faces, make its even wearing.
Above-described embodiment only discloses the tool of supporting mass 3, and there are four the situations of stress surface, pass through first on supporting mass 3 to the
Four limited block face 3.2.1,3.2.2,3.2.3,3.2.4 and first to fourth limit groove face 4.2.1,4.2.2 of main body 4,
4.2.3,4.2.4 is mutually arbitrarily matched, and adjustable 90 ° or 180 ° every time, can make the equal even wearing of 7 surrounding of cutter head.
Similarly, this case can also pass through two on supporting mass 3 comprising the tool of supporting mass 3 there are two the situation of stress surface
Limited block face is mutually arbitrarily matched with two limit groove faces of main body 4, adjustable in this way 180 ° or the cutter head 7 that more renews.
This case can also realize comprising supporting mass 3 tool there are three or five and five or more stress surfaces situation, pass through supporting mass 3
On three or five and five three or five and five with upper limit position block face and main body 4 with upper limit position groove face
Mutually any matching, the transformation of multiple angles adjustable in this way or the cutter head 7 more renewed.
Also, the situation in addition in above-described embodiment including a clamp device 5, the quantity of clamp device 5 is at least one
It is a, that is to say, that can be one or more, multiple stress surfaces of supporting mass 3 are fitted in by the seal face 5.1 of clamp device 5
In one or one, may be implemented, cutter head 7 is arranged in the receiving portion 4.4 of main body 4 in a manner of disposable.Pass through release
Clamp device 5 realizes the convertible of cutter head 7, and convertible with two ways at this, first way is become by cutter head 7
The operative orientation in the receiving portion 4.4 of main body 4 is changed, the second way is that cutter head 7 is transformed into new cutter head 7.Both become
The mode of changing can be selected according to the actual situation, so that cutter head 7 reaches their limit of wear, to reach nil waste
Effect.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. for ground side machining apparatus, the knife rest of especially milling road machine, which is characterized in that the knife rest has main body (4), fastening dress
(5), cutter head (7) are set, main body (4) has receiving portion (4.4), and the cutter head (7) is by clamp device (5) in a manner of disposable
It is arranged in the receiving portion (4.4) of main body (4).
2. knife rest as described in claim 1, which is characterized in that the cutter head (7) includes point of a knife (1), head (2), supporting mass
(3)；The supporting mass (3) of the cutter head (7) has holding bar portion (30), and the holding bar portion (30) has the second central axis
(L1), the cutter head (7) is by holding bar portion (30) setting of supporting mass (3) in the receiving portion (4.4) of main body (4).
3. knife rest as claimed in claim 2, which is characterized in that the receiving portion (4.4) of the main body (4) has the first central axis
Line (L), first central axis (L) of described accommodation section (4.4) and the second central axis (L1) of holding bar portion (30) coincide.
4. knife rest as claimed in claim 3, which is characterized in that the receiving portion (4.4) of the main body (4) has recessed fixation
Face (4.5), also, the plain line of stationary plane (4.5) and the first central axis (L) form angle (α), the angular range of angle (α)
Between 3 ° -10 °.
5. knife rest as claimed in claim 4, which is characterized in that the holding bar portion (30) has retaining surface (3.4), also,
The plain line and the second central axis (L1) of retaining surface (3.4) form angle (β), and the angular range of angle (β) is between 3 ° -10 °.
6. knife rest as claimed in claim 5, which is characterized in that the angle (α)=angle (β), so that stationary plane (4.5)
Taper fit relationship is constituted with retaining surface (3.4).
7. knife rest as claimed in claim 2, which is characterized in that surround center in the holding bar portion (30) of the supporting mass (3)
Axis (L1) is disposed at least two stress surfaces, and each stress surface is respectively with the central axis (L1) of supporting mass (3) at folder
Angle (γ) setting；The angular range of angle (γ) is between 10 ° -20 °.
8. knife rest as claimed in claim 7, which is characterized in that the holding bar portion (30) of the supporting mass (3) is along the direction (V)
After being fitted into the receiving portion (4.4) of main body (4), clamp device (5) is screwed in along the direction (V1) using its external screw thread (5.2) and is led
In the threaded hole (4.1) of body (4), by the seal face (5.1) of clamp device (5) fit in at least two of supporting mass (3) by
At least one of power face.
9. knife rest as claimed in claim 8, which is characterized in that have at least two and at least two on the supporting mass (3)
The stress surface limited block face on same level respectively；The supporting mass (3) be installed on receiving portion (4.4) it is interior in the state of,
At least two limit groove faces having at least two limited block faces and main body (4) mutually arbitrarily match, and adjust cutter head with this
(7) rapid positioning when at least one side is compacted fitting at least two stress surfaces.
10. knife rest as claimed in claim 2, which is characterized in that the point of a knife (1) of the cutter head (7) is at least local by superhard
Alloy material is constituted, and head (2) are made of cemented carbide material, and supporting mass (3) is made of alloy material, point of a knife (1), head
(2), the hardness of supporting mass (3) is to be gradually increased and pass through welding manner Hard link together against the direction (V), is formed whole
State.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694411.8A CN110396907A (en) | 2019-07-30 | 2019-07-30 | A kind of knife rest |
| PCT/CN2020/077566 WO2021017465A1 (en) | 2019-07-30 | 2020-03-03 | Cutter holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694411.8A CN110396907A (en) | 2019-07-30 | 2019-07-30 | A kind of knife rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110396907A true CN110396907A (en) | 2019-11-01 |
Family
ID=68326662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910694411.8A Pending CN110396907A (en) | 2019-07-30 | 2019-07-30 | A kind of knife rest |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110396907A (en) |
| WO (1) | WO2021017465A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021017465A1 (en) * | 2019-07-30 | 2021-02-04 | 苏州五元素机械制造有限公司 | Cutter holder |
| WO2021120501A1 (en) * | 2019-12-17 | 2021-06-24 | 苏州五元素机械制造有限公司 | Cutting apparatus with quick-change tool holder |
| WO2021120502A1 (en) * | 2019-12-19 | 2021-06-24 | 苏州五元素机械制造有限公司 | Cutting device having self-centering cutter frame |
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| WO2021017465A1 (en) * | 2019-07-30 | 2021-02-04 | 苏州五元素机械制造有限公司 | Cutter holder |
| WO2021120501A1 (en) * | 2019-12-17 | 2021-06-24 | 苏州五元素机械制造有限公司 | Cutting apparatus with quick-change tool holder |
| WO2021120502A1 (en) * | 2019-12-19 | 2021-06-24 | 苏州五元素机械制造有限公司 | Cutting device having self-centering cutter frame |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021017465A1 (en) | 2021-02-04 |
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Address after: 226007 plant 4, HUanpu modern industrial park, No. 3, Qilianshan Road, suxitong science and Technology Industrial Park, Nantong City, Jiangsu Province Applicant after: Jiangsu Wuyuan Machinery Manufacturing Co.,Ltd. Address before: 215412 No. 4, Zhenghe Middle Road, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Applicant before: SUZHOU WUYUANSU MACHINERY MANUFACTURING Co.,Ltd. |