CN104907612B - A kind of drill bit of interchangeable cutter bit type structure - Google Patents
A kind of drill bit of interchangeable cutter bit type structure Download PDFInfo
- Publication number
- CN104907612B CN104907612B CN201510252190.0A CN201510252190A CN104907612B CN 104907612 B CN104907612 B CN 104907612B CN 201510252190 A CN201510252190 A CN 201510252190A CN 104907612 B CN104907612 B CN 104907612B
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- Prior art keywords
- cutter head
- cutter
- bit
- locating slot
- supporting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2205/00—Fixation of cutting inserts in holders
- B23B2205/04—Fixation screws, bolts or pins of particular form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2205/00—Fixation of cutting inserts in holders
- B23B2205/12—Seats for cutting inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
Abstract
The present invention relates to a kind of drill bit of interchangeable cutter bit type structure.High there is presently no a kind of machining accuracy, installation accuracy is high, the drill bit of the interchangeable cutter bit type structure of stability of rotation.The present invention includes knife bar, cutter head and fixing screws, and knife bar includes cutter bar body, is characterized in：The front end of cutter bar body is provided with cutter head locating slot, cutter head locating slot is provided with two supporting planes, one supporting plane is after knife bar axis rotates 180 degree, it is overlapping with another supporting plane, fixed column is provided with locking slot, fixed column is sleeved in cutter head positioning hole, bit body is located in cutter head locating slot, two supporting surfaces on cutter head are close to two supporting planes on knife bar respectively, it is close to the bottom of cutter head locating slot in positioning bottom surface on cutter head, fixing screws are threaded in cutter head fixing hole, and the front end of fixing screws is withstood on the locking slot of cutter head.The machining accuracy of the present invention is high, and installation accuracy is high, stability of rotation, stable cutting, and cutter head can be given up, service life length.
Description
Technical field
The present invention relates to a kind of drill bit, more particularly, to a kind of drill bit of interchangeable cutter bit type structure, is mainly used in machinery and adds
In the hole machined of industrial and commercial bank's industry, belong to a kind of hardware machining tool.
Background technology
The specification for the hard alloy class fluted drill commonly used in existing market is all smaller, the fried dough twist of the hard alloy class of big specification
It is drilled in constantly research and development, due to existing hard alloy class fluted drill generally use monolithic construction, i.e., between knife bar and cutter head
It is non-removable, using being welded and fixed between knife bar and cutter head, causes the production cost of hard alloy class fluted drill high, resource
Utilization rate is low, this embodied in big specification hard alloy class fluted drill it is particularly evident, in addition, also cause hard alloy class fried dough twist
The processing of brill is not easy, processed complex, and service life is short.
Also have the interchangeable drill bit of some cutter heads now, as publication date be on 01 04th, 2012, Publication No.
In CN102303152A Chinese patent, a kind of spiral bit of changeable blade is disclosed, it includes a twist drill rods,
A blade installation slot is laterally provided with drilling rod between the notch of two debris front of the slot, the lower half of blade installation slot is in
The V-shaped groove bottom of one amplification angle, is provided with a locking hole, the side of locking hole is countersunk head spiral shell on the two side at V-shaped groove bottom
Hole, opposite side are unthreaded holes, and a blade is completely combined with blade installation slot, are rotary-cut blade on blade upper surface, under blade
Portion is a positioning body to match with V-shaped groove bottom, is provided with through hole with locking hole relevant position on positioning body, is installed in locking hole
There is a countersunk head screw being deep into insert through hole and opposite side unthreaded hole.And for example publication date is on 08 23rd, 2006, open
Number in CN2808378 Chinese patent, to disclose a kind of replaceable carbide drill, it includes drilling rod body, blade and tight
Gu the fixed component of blade, blade both sides misplace in echelon, and insert bottom center carries an alignment pin, is set on drilling rod body
There is positioning hole；Alignment pin is integrated with blade, and is engaged with positioning hole, for positioning of the blade on drilling rod body；Blade
Both sides are each provided with a fixing hole, and the fixed component for fastening blade is connected with the two fixing holes, by insert bottom
Heart position carries a circular alignment pin, blade both sides are centrosymmetric, and ground is each provided with a screw, drill bit assembling is more held
Easily.The machining accuracy of the interchangeable drill bit of these existing cutter heads is not high, and installation accuracy is not high, and rotation is not steady enough, and cutting is inadequate
Steadily.
In summary, meet simultaneously reasonable in design there is presently no a kind of, machining accuracy is high, and installation accuracy is high, turns
Dynamic steady, stable cutting, cutter head can be given up, the drill bit of the interchangeable cutter bit type structure of service life length.
The content of the invention
It is an object of the invention to overcome above shortcomings in the prior art, and offer is a kind of reasonable in design,
Machining accuracy is high, and installation accuracy is high, stability of rotation, stable cutting, and cutter head can be given up, the interchangeable cutter bit type structure of service life length
Drill bit.
Technical scheme is used by the present invention solves the above problems：The drill bit of the interchangeable cutter bit type structure include knife bar,
Cutter head and fixing screws, the knife bar include cutter bar body, and chip area is provided with the cutter bar body, and the cutter head includes knife
Head body and fixed column, one end of the fixed column are fixed on one end of bit body, and the other end of the bit body is set
There is apex point, carry main cutting edge and web thinning on the apex point, its design feature is：The front end of the cutter bar body is set
There is cutter head locating slot, the cutter head locating slot is connected with chip area, and the bottom of the cutter head locating slot is provided with cutter head positioning hole, institute
The outer wall for stating cutter bar body is provided with cutter head fixing hole, and the cutter head fixing hole is screw hole structure, the cutter head fixing hole and knife
Head positioning hole intersects vertically, and is provided with two supporting planes on the cutter head locating slot, and described two supporting planes are and cutter head
The bottom of locating slot is vertical, and a supporting plane is after knife bar axis rotates 180 degree, and another supporting plane is overlapping；It is described
Locking slot is provided with fixed column, one end of the bit body is provided with positioning bottom surface, and the outer wall of the bit body is provided with
Two supporting surfaces, the positioning bottom surface and two supporting surfaces are planar structure, and a supporting surface rotates 180 degree around cutter head axis
Afterwards, and another supporting surface is overlapping；The fixed column is sleeved in cutter head positioning hole, and the bit body is located at cutter head locating slot
In, two supporting surfaces on the cutter head are close to two supporting planes on knife bar respectively, and the positioning bottom surface on the cutter head is tight
The bottom of cutter head locating slot is pasted, the fixing screws are threaded in cutter head fixing hole, and the front end of the fixing screws withstands on knife
On the locking slot of head.
Preferably, locking slot of the present invention is made up of a bottom surface and two walls, described two walls edges are fixed
The distance between the axial direction arrangement of post, the oblique structure of described two walls, two walls are from groove top to bottom land
It is gradually reduced.Two walls of oblique structure serve guide effect, are easy to fix.
Preferably, inner cooling channel is provided with cutter bar body of the present invention, the import position of the inner cooling channel
On the back-end central of the shank of cutter bar body or the cylindrical of shank, the outlet of the inner cooling channel is located at blade end face or chip area
In by cutter head.
Preferably, cutter head locating slot of the present invention is two L-shaped structures, a L-shaped structure rotates around knife bar axis
After 180 degree, and another L-shaped structure is overlapping, and the supporting surface is L-shaped structure.
Preferably, cutter head positioning hole of the present invention and fixed column are cylindrical structural.
Preferably, the axis and cutter spindle line overlap of cutter head positioning hole of the present invention.
Preferably, chip area of the present invention is straight groove structure or helical groove structure.
Preferably, the angle of apex point of the present invention is 135 degree, the web thinning is X-type structure, the main cutting
Sword uses wave edge structure.Thus the cutting sharpness and edge strength of cutter are increased.
Preferably, the outer wall of bit body of the present invention is provided with cylindrical land and negative cutting edge.Thus sword is increased
The intensity of mouth.
Preferably, positioning bottom surface of the present invention and supporting surface are vertical.
The present invention compared with prior art, has advantages below and effect：It is simple in construction, it is reasonable in design, stability of rotation, cut
Scabble surely, cutter head can be given up, and the recycling of knife bar, service life length are realized by changing cutter head can.Two on cutter head
Individual supporting surface is close to two supporting planes on knife bar respectively, and the bottom of cutter head locating slot is close in the positioning bottom surface on cutter head, Gu
The front end for determining screw is withstood on the locking slot of cutter head so that the machining accuracy of cutter head and knife bar is high, and the installation accuracy of cutter head is high, really
Protect the stationarity that cutter head is rotated and cut.
The structure of knife bar of the present invention is simple, reasonable in design, interchangeable bit, service life length, is set on cutter head locating slot
Have two supporting planes, for supporting cutter head so that the rotation of cutter head it is more steady, and be advantageous to improve machining accuracy and carry
High installation accuracy, improve the overall performance of drill bit.The front end of cutter bar body is provided with cutter head locating slot, cutter head locating slot and row
Bits groove is connected, and the bottom of cutter head locating slot is provided with cutter head positioning hole, and the outer wall of cutter bar body is provided with cutter head fixing hole, makes knife
Head clamping is more firm on knife bar, and drilling is more steady, and chip removal is more smooth.
The structure of cutter head of the present invention is simple, reasonable in design, and design is unique, interchangeable bit, service life length, in cutter head sheet
The outer wall of body is provided with two supporting surfaces, and it is planar structure to position bottom surface and two supporting surfaces, and a supporting surface is around cutter head axle
After line rotation 180 degree, and another supporting surface is overlapping, can be very good to transmit moment of torsion so that the rotation of cutter head it is more steady,
And be advantageous to improve machining accuracy and improve installation accuracy, improve the overall performance of drill bit.
Brief description of the drawings
Fig. 1 is the main structure diagram of the drill bit of interchangeable cutter bit type structure in the embodiment of the present invention.
Fig. 2 is Fig. 1 left view structural representation.
Fig. 3 is Fig. 1 overlooking the structure diagram.
Fig. 4 is Fig. 1 present invention looks up structural representation.
Fig. 5 is the dimensional structure diagram of the drill bit of interchangeable cutter bit type structure in the embodiment of the present invention.
Fig. 6 is the main structure diagram of knife bar in the embodiment of the present invention.
Fig. 7 is Fig. 6 overlooking the structure diagram.
Fig. 8 is Fig. 6 left view structural representation.
Fig. 9 is the dimensional structure diagram of knife bar in the embodiment of the present invention.
Figure 10 is the main structure diagram after cutter head amplification in the embodiment of the present invention.
Figure 11 is Figure 10 left view structural representation.
Figure 12 is Figure 10 right side structural representation.
Figure 13 is Figure 10 overlooking the structure diagram.
Figure 14 is the dimensional structure diagram after cutter head amplification in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following examples are to this hair
Bright explanation and the invention is not limited in following examples.
Embodiment.
Referring to Fig. 1 to Figure 14, the drill bit of interchangeable cutter bit type structure includes knife bar 1, cutter head 2 and fixing screws in the present embodiment
3, wherein knife bar 1 includes cutter bar body 11, chip area 12 is provided with cutter bar body 11, the quantity of chip area 12 is two, should
Chip area 12 can be straight groove structure or helical groove structure.
The front end of cutter bar body 11 is provided with cutter head locating slot 13 in the present embodiment, the both sides difference of the cutter head locating slot 13
It is connected with two chip areas 12 so that chip removal is more smooth.The bottom of cutter head locating slot 13 is provided with cutter head positioning in the present embodiment
Hole 15, cutter head positioning hole 15 are cylindrical structural, and the axis and knife bar axis x of cutter head positioning hole 15 are overlapping.Knife in the present embodiment
The outer wall of bar body 11 is provided with cutter head fixing hole 14, and cutter head fixing hole 14 is screw hole structure, cutter head fixing hole 14 and cutter head
Positioning hole 15 intersects vertically.
It is provided with two supporting planes 17 on cutter head locating slot 13 in the present embodiment, two supporting planes 17 are and cutter head
The plane perpendicular of locating slot 13, a supporting plane 17 is after knife bar axis x rotates 180 degree, and another weight of supporting plane 17
Folded, two supporting planes 17 are used to support cutter head 2 so that the rotation of cutter head 2 it is more steady, drilling is more steady, and favorably
In raising machining accuracy and improve installation accuracy.
Inner cooling channel 16 is provided with the present embodiment in cutter bar body 11, that is, employs the interior type of cooling, interior cooling is logical
On the back-end central of shank or the cylindrical of shank of the import position cutter bar body 11 in road 16, the outlet of the inner cooling channel 16 is located at
By at cutter head in blade end face or chip area 12.Cutter bar body 11 can not also use the interior type of cooling in the present embodiment.
Cutter head locating slot 13 in the present embodiment is two L-shaped structures, and a L-shaped structure rotates 180 degree around knife bar axis x
Afterwards, and another L-shaped structure is overlapping.
Cutter head 2 in the present embodiment includes bit body 29 and fixed column 21, wherein, fixed column 21 is cylindrical structural,
Fixed column 21 is used for centralized positioning, and one end of fixed column 21 is fixed on one end of bit body 29.Bit body in the present embodiment
29 other end is provided with apex point 26, and the angle of apex point 26 is 135 degree, and main cutting edge and web thinning are carried on apex point 26
25, main cutting edge generally use wave edge structure, web thinning 25 is usually X-type structure.
Locking slot 22 is provided with fixed column 21 in the present embodiment, locking slot 22 is by a bottom surface and two wall groups
Axial direction arrangement into, two walls along fixed column 21, the oblique structure of two walls, between two walls away from
It is gradually reduced from from groove top to bottom land.Locking slot 22 is commonly called as flat, and this is common knowledge to those skilled in the art.
One end of bit body 29 is provided with positioning bottom surface 23 in the present embodiment, and the outer wall of the bit body 29 is provided with two
Individual supporting surface 24, it is planar structure to position bottom surface 23 and two supporting surfaces 24, and a supporting surface 24 rotates around cutter head axis y
After 180 degree, and another supporting surface 24 is overlapping, can be very good to transmit moment of torsion, positions bottom surface 23 and supporting surface 24 is vertical.
Supporting surface 24 in the present embodiment is L-shaped structure.Cylindrical land 27 can be provided with the outer wall of bit body 29
With negative cutting edge 28, to increase the cutting sharpness of cutter and edge strength, and increase the intensity of cutting edge.
Fixed column 21 in the present embodiment is sleeved in cutter head positioning hole 15, and bit body 29 is located at cutter head locating slot 13
In, two supporting surfaces 24 on cutter head 2 are close to two supporting planes 17 on knife bar 1 respectively so that transmission is more steady, cutting
It is more steady；The bottom of cutter head locating slot 13 is close in positioning bottom surface 23 on cutter head 2, and this also make it that transmission is more steady, cutting
It is more steady.Fixing screws 3 are threaded in cutter head fixing hole 14, and the front end of the fixing screws 3 withstands on the locking slot of cutter head 2
On 22, two skewed walls play guide effect, and the final front end for causing fixing screws 3 withstands on the bottom surface of locking slot 22.
Knife bar 1 in the present embodiment can facilitate, firm clamping cutter head, be that cutter head is interchangeable by the drilling-bit improvement of monoblock type
Formula drill bit, extends cutting-tool's used life, and cost reduces.The present embodiment can increase the cross section of chip area 12, to be formed
The cross section of chip area 12 of super large.Clamping screw hole and insert groove in the present embodiment can be suitably used for the cutter of multiple specifications, fit
With wide.The present embodiment can use self-control blade, improve drill bit service efficiency and use by clip type fixturing blade
Life-span, improve machining accuracy.
Cutter head 2 in the present embodiment can facilitate, firmly carry out clamping, be that cutter head is interchangeable by the drilling-bit improvement of monoblock type
Formula drill bit, extends cutting-tool's used life, and cost reduces.Cutter head fixed bit in the present invention can have bottom surface, cylinder step
Cylindrical, L-shaped supporting surface and screw are flat, and cutter head cutting position can have wave edge, drill point angle, X-type web thinning and cylindrical dorsal horn, energy
Make tool sharpening scope more extensive.The present invention can use self-control cutter head, to improve drill bit by clip type clamping cutter head
Service efficiency and service life, improve machining accuracy.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to structure example explanation of the present invention.It is all according to
The equivalence changes or simple change done according to the construction described in inventional idea of the present invention, feature and principle, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do various to described specific embodiment
The modification of various kinds or supplement are substituted using similar mode, without departing from structure of the invention or surmount present claims
Scope defined in book, protection scope of the present invention all should be belonged to.
Claims (5)
1. a kind of drill bit of interchangeable cutter bit type structure, including knife bar, cutter head and fixing screws, the knife bar include cutter bar body,
Chip area is provided with the cutter bar body, the cutter head includes bit body and fixed column, and one end of the fixed column is fixed
In one end of bit body, the other end of the bit body is provided with apex point, and main cutting edge and reconditioning are carried on the apex point
Chisel edge, it is characterised in that：The front end of the cutter bar body is provided with cutter head locating slot, and the cutter head locating slot is connected with chip area,
The bottom of the cutter head locating slot is provided with cutter head positioning hole, and the outer wall of the cutter bar body is provided with cutter head fixing hole, described
Cutter head fixing hole is screw hole structure, and the cutter head fixing hole and cutter head positioning hole intersect vertically, and are set on the cutter head locating slot
There are two supporting planes, described two supporting planes are equal and the bottom of cutter head locating slot is vertical, and a supporting plane is around cutter spindle
After line rotation 180 degree, and another supporting plane is overlapping；It is provided with locking slot in the fixed column, the one of the bit body
End is provided with positioning bottom surface, and the outer wall of the bit body is provided with two supporting surfaces, and the positioning bottom surface and two supporting surfaces are equal
For planar structure, a supporting surface is after cutter head axis rotates 180 degree, and another supporting surface is overlapping；The fixed column suit
In cutter head positioning hole, the bit body is located in cutter head locating slot, and two supporting surfaces on the cutter head are close to knife respectively
The bottom of cutter head locating slot, the fixing screws screw thread are close in two supporting planes on bar, the positioning bottom surface on the cutter head
It is connected in cutter head fixing hole, the front end of the fixing screws is withstood on the locking slot of cutter head；The locking slot by a bottom surface and
Two wall compositions, axial direction arrangement of described two walls along fixed column, the oblique structure of described two walls should
The distance between two walls are gradually reduced from groove top to bottom land；Inner cooling channel is provided with the cutter bar body, it is described interior
On the back-end central of shank or the cylindrical of shank of the import position cutter bar body of cooling duct, the outlet of the inner cooling channel is located at
By at cutter head in blade end face or chip area；The cutter head locating slot is two L-shaped structures, and a L-shaped structure is around knife bar axis
After rotating 180 degree, and another L-shaped structure is overlapping, and the supporting surface is L-shaped structure；The chip area is straight groove structure or spiral shell
Spin slot structure；The angle of the apex point is 135 degree, and the web thinning is X-type structure, and the main cutting edge uses wave edge knot
Structure；The structure of knife bar is simple, reasonable in design, interchangeable bit, service life length, and it is flat to be provided with two supports on cutter head locating slot
Face, for supporting cutter head so that the rotation of cutter head it is more steady, and be advantageous to improve machining accuracy and improve installation accuracy,
Improve the overall performance of drill bit；The front end of cutter bar body is provided with cutter head locating slot, and cutter head locating slot is connected with chip area, knife
The bottom of head locating slot is provided with cutter head positioning hole, and the outer wall of cutter bar body is provided with cutter head fixing hole, makes cutter head clamping in knife
More firm on bar, drilling is more steady, and chip removal is more smooth.
2. the drill bit of interchangeable cutter bit type structure according to claim 1, it is characterised in that：The cutter head positioning hole and fixation
Post is cylindrical structural.
3. the drill bit of interchangeable cutter bit type structure according to claim 1, it is characterised in that：The axis of the cutter head positioning hole
With cutter spindle line overlap.
4. the drill bit of interchangeable cutter bit type structure according to claim 1, it is characterised in that：The outer wall of the bit body is set
It is equipped with cylindrical land and negative cutting edge.
5. the drill bit of interchangeable cutter bit type structure according to claim 1, it is characterised in that：The positioning bottom surface and supporting surface
Vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252190.0A CN104907612B (en) | 2015-05-18 | 2015-05-18 | A kind of drill bit of interchangeable cutter bit type structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252190.0A CN104907612B (en) | 2015-05-18 | 2015-05-18 | A kind of drill bit of interchangeable cutter bit type structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104907612A CN104907612A (en) | 2015-09-16 |
| CN104907612B true CN104907612B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510252190.0A Active CN104907612B (en) | 2015-05-18 | 2015-05-18 | A kind of drill bit of interchangeable cutter bit type structure |
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| CN (1) | CN104907612B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3427877B1 (en) * | 2017-07-10 | 2022-09-28 | Sandvik Intellectual Property AB | Rotary cutting insert and tool having a declined axial support surfaces |
| JP6311059B1 (en) * | 2017-09-20 | 2018-04-11 | 株式会社芝技研 | Thin drill |
| CN108573091B (en) * | 2018-03-13 | 2022-05-03 | 华侨大学 | Method for designing waveform edge of cutter |
| CN109226833B (en) * | 2018-09-04 | 2020-05-19 | 东莞艾瑞克精密工具有限公司 | Drill bit |
| CN112453506B (en) * | 2020-11-20 | 2022-05-24 | 株洲钻石切削刀具股份有限公司 | Drilling machining tool |
| CN112453507B (en) * | 2020-11-20 | 2022-06-14 | 株洲钻石切削刀具股份有限公司 | Modular drilling machining cutter |
| CN112453508B (en) * | 2020-11-25 | 2021-08-06 | 深圳市蓝海永兴实业有限公司 | PCD drilling, milling and chamfering tool for machining composite material hole |
| CN112809057A (en) * | 2021-02-02 | 2021-05-18 | 苏州沃钛工业技术有限公司 | Single-hole limiting inclined-penetrating locking head-changing drill |
| CN113828814A (en) * | 2021-10-14 | 2021-12-24 | 河南四方达超硬材料股份有限公司 | Machine presss from both sides formula motor casing macropore processing superhard cutter |
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| KR20090089551A (en) * | 2008-02-19 | 2009-08-24 | (주)예스툴 | A insert drill |
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| US5957635A (en) * | 1998-08-21 | 1999-09-28 | Allied Machine & Engineering Corp. | Drill tool assembly |
| CN100528437C (en) * | 2003-03-21 | 2009-08-19 | 联合机械工程公司 | Drill insert with controlled contact clearance |
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| Publication number | Publication date |
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| CN104907612A (en) | 2015-09-16 |
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Denomination of invention: A bit with changeable cutter head structure Effective date of registration: 20201217 Granted publication date: 20180309 Pledgee: Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Shupu sub branch Pledgor: ZHEJIANG XINXING TOOLS Co.,Ltd. Registration number: Y2020330001229 |
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Date of cancellation: 20220216 Granted publication date: 20180309 Pledgee: Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Shupu sub branch Pledgor: ZHEJIANG XINXING TOOLS Co.,Ltd. Registration number: Y2020330001229 |
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Address after: 314301 No. 699, Yanshan Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Xinxing Tools Co.,Ltd. Address before: No. 33, Huanbei Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XINXING TOOLS Co.,Ltd. |