CN106041150A - Outward expansion mandrel with multiple support parts - Google Patents
Outward expansion mandrel with multiple support parts Download PDFInfo
- Publication number
- CN106041150A CN106041150A CN201610575775.0A CN201610575775A CN106041150A CN 106041150 A CN106041150 A CN 106041150A CN 201610575775 A CN201610575775 A CN 201610575775A CN 106041150 A CN106041150 A CN 106041150A
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- China
- Prior art keywords
- mandrel
- frustum
- slide block
- wall
- slideway
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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
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention provides an outward expansion mandrel with multiple support parts. The outward expansion mandrel comprises a mandrel body, wherein a first outward expansion part and a second outward expansion part of which the outer walls can expand outwards are arranged on the mandrel in the axial direction; two outward expanding support parts are arranged in the axial direction to support inner holes of workpieces in tandem in the axial direction, so that the workpieces can be positioned more stably; during turning, a better turning quality can be obtained; and owing to the in-tandem supporting mode, when the workpieces are turned around to be clamped, a good repeated clamping coaxiality can be acquired. The outward expansion mandrel is simple in structure, high in positioning precision and long in service life.
Description
Technical field
The present invention relates to rise outside one mandrel, particularly relates to a kind of outer mandrel that rises with multiple support zone.
Background technology
In the course of processing of shell type component, when the profile of parts is irregular shape, or outside parts
When portion is the blank surface of cast form or forging and molding, it is impossible to directly using the outer surface of parts as positioning and clamping face, greatly
Need time most to carry out positioning and clamping with the form of support endoporus, when general support endoporus, use outer this kind of frock of the mandrel folder that rises
Tool.
But, when the length of shell type component is longer, rely on the outer mandrel that rises can there is clamping the support of a certain section fixed
The situation that position is unstable, and many times clamping power is also inadequate, subsequent mechanical add workpiece may be caused man-hour to get loose or
Person moves, and causes work pieces process to scrap, and also easily causes the phenomenon such as tremble of cutter in mechanical processing process, is unfavorable for being formed and closes
The machining cutting surface of lattice.
Summary of the invention
The technical problem to be solved in the present invention is: for outer the rising of single hop support when solving longer shell type component clamping
The situation that mandrel clamping is unstable, the invention provides and a kind of have the outer mandrel that rises of multiple support zone to solve the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of outer core that rises with multiple support zone
Axle, including mandrel, described mandrel is provided with vertically outer wall all can outwards swell first outside rise portion of rising outside portion and second.
Further: outside described first, the portion of rising includes ringfeder and tensioner screw；
The right-hand member of described mandrel is provided with the first frustum, the cone being shaped as being gradually tapered up of described first frustum by external diameter from left to right
Shape, the right side of described first frustum is provided with screwed hole；
The endoporus of described ringfeder is taper, and the matching form of the inner hole wall of ringfeder and the outer cone wall of the first frustum closes；Rise described
Put, if offering arterial highway dilatation joint by left side and right side the most respectively；
Described tensioner screw is provided with locking screw vertically and compresses step, compresses the diameter dimension of step less than described ringfeder
Outside dimension；The right side of described compression step is provided with and tightens portion for screw tensioner screw；Described locking screw and institute
The screwed hole stating the first frustum connects, and described compression step is fitted on the right side of described ringfeder.
Further: on the inner hole wall of described ringfeder, it is provided with protruding radially inward at the right side of nearly described ringfeder
Lobe；On the outer wall of tensioner screw, be provided with between the right side of described lobe and the first frustum radially to
The baffle ring of outer lug.
Further: outside described second, the portion of rising includes slide block and pull bar；
The left side being provided with the pilot hole coaxial with described first frustum, described pilot hole and mandrel in described mandrel is connected；?
In described connecting shaft, being provided with the glide direction slideway along pilot hole radial direction at nearly described mandrel left side, the connection of described slideway is led
Hole wall to hole and the outer wall of mandrel；
Described pull bar is sequentially provided with connecting rod portion, the second frustum and guide post portion vertically, described second frustum be shaped as by
Turning left the taper that external diameter gradually tapers up in the right side, the left end of described connecting rod portion and the second frustum connects, described guide post portion and second
The right-hand member of frustum connects；Described guide post portion and pilot hole matched in clearance, described guide post inserts in pilot hole；Axle at mandrel
On direction, the position of described second frustum is corresponding with the position of described slideway；
Described slide block is arranged in described slideway and can be along the glide direction slip of slideway；Described slide block has slide block perisporium, cunning
Block upper wall and slide block lower wall, the shape of described slide block perisporium and the inner wall shape of described slideway match, and described slide block upper wall is
The matching form of cylindrical arc, the shape of described slide block lower wall and described second frustum closes.
Further: on the upper wall of described slide block and the outer wall of mandrel, offer cannelure, hoop in described cannelure
There is tool resilient holding circle.
Further: described holding encloses as rubber ring or turn.
Further: the described portion of tightening is the polygon of indent or evagination.
Further: the quantity of described slideway has more than two, the slide block of correspondence it is provided with in described slideway；Described slideway
Circumferentially disposed along mandrel.
Further: on the cylindrical of described mandrel, it is positioned at the left side of described slideway and to be provided with for connecting with lathe
Flange；The left surface of described flange is provided with detent, described detent and the first described frustum coaxial.
The invention has the beneficial effects as follows, the present invention is a kind of has the outer mandrel that rises of multiple support zone by being axially arranged with
The supporting parts risen outside two, axially on one in front and one in back support the endoporus of workpiece, the location of workpiece is more firm, can when turning
Obtain more preferable turning quality, and tandem supporting way is when workpiece tune clamping, it is possible to obtain and preferably repeat
Clamping axiality, this outer core shaft structure that rises is simple, and positioning precision is high, and service life is long.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of a kind of outer mandrel optimum embodiment that rises with multiple support zone of the present invention；
Fig. 2 is the structural representation of mandrel；
Fig. 3 is the structural representation of ringfeder；
Fig. 4 is the structural representation of tensioner screw；
Fig. 5 is the structural representation of pull bar；
Fig. 6 is the appearance schematic diagram of slide block.
In figure 1, mandrel, 2, ringfeder, 3, tensioner screw, 4, pull bar, 5, slide block, 6, flange, 7, detent, 8, keep
Circle, the 11, first frustum, 12, screwed hole, 13, slideway, 14, pilot hole, 21, dilatation joint, 22, lobe, 31, locking screw,
32, step is compressed, 33, baffle ring, 41, guide post portion, the 42, second frustum, 43, reach bar portion, 51, cannelure, 52, slide block upper wall,
53, slide block perisporium, 54, lower wall.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.On the contrary, originally
Inventive embodiment includes all changes in the range of the spirit falling into attached claims and intension, revises and be equal to
Thing.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axially ",
" radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
In describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation, with
Specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or imply relatively important
Property.In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is connected ", " connection " should
It is interpreted broadly, connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.Additionally, in description of the invention
In, except as otherwise noted, " multiple " are meant that two or more.
In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes
One or more is for realizing the module of code, fragment or the portion of the executable instruction of the step of specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or discuss suitable
Sequence, including according to involved function by basic mode simultaneously or in the opposite order, performs function, and this should be by the present invention
Embodiment person of ordinary skill in the field understood.
As depicted in figs. 1 and 2, the invention provides a kind of outer mandrel that rises with multiple support zone, including mandrel 1,
Be provided with vertically on described mandrel 1 outer wall all can outwards swell first outside rise portion of rising outside portion and second.
Outside described first, the portion of rising includes ringfeder 2 and tensioner screw 3；The right-hand member of described mandrel 1 is provided with the first frustum 11, described
The taper being shaped as being gradually tapered up by external diameter from left to right of the first frustum 11, the right side of described first frustum 11 is provided with screw thread
Hole 12；As it is shown on figure 3, the endoporus of described ringfeder 2 is taper, the inner hole wall of ringfeder 2 and the shape of the outer cone wall of the first frustum 11
Match；On described ringfeder 2, if offering arterial highway dilatation joint 21 by left side and right side the most respectively.
As shown in Figure 4, described tensioner screw 3 is provided with locking screw 31 vertically and compresses step 32, compresses step 32
Diameter dimension is less than the outside dimension of described ringfeder 2；The right side of described compression step 32 is provided with for screwing tensioner screw 3
Tighten portion；The screwed hole 12 of described locking screw 31 and described first frustum 11 connects, and described compression step 32 is fitted in institute
State on the right side of ringfeder 2.
On the inner hole wall of described ringfeder 2, at the right side of nearly described ringfeder 2, it is provided with lobe protruding radially inward
22；On the outer wall of tensioner screw 3, it is provided with radially between described lobe 22 and the right side of the first frustum 11
Protruding baffle ring 33.
Outside described second, the portion of rising includes slide block 5 and pull bar 4；It is provided with coaxial with described first frustum 11 in described mandrel 1
Pilot hole 14, the left side of described pilot hole 14 and mandrel 1 is connected；In described connecting shaft, at nearly described mandrel 1 left side
Being provided with the glide direction slideway 13 along pilot hole 14 radial direction, described slideway 13 connects hole wall and the outer wall of mandrel 1 of pilot hole 14.
As it is shown in figure 5, described pull bar 4 is sequentially provided with connecting rod portion the 43, second frustum 42 and guide post portion 41, institute vertically
State the second frustum 42 be shaped as turned left the taper that external diameter gradually tapers up by the right side, described connecting rod portion 43 and a left side for the second frustum 42
End connects, and the right-hand member of described guide post portion 41 and the second frustum 42 connects；Described guide post portion 41 and pilot hole 14 matched in clearance,
Described guide post inserts in pilot hole 14；On the axial direction of mandrel 1, the position of described second frustum 42 and described slideway 13
Position corresponding.
As shown in Figure 6, in described slide block 5 is arranged on described slideway 13 and can be along the glide direction slip of slideway 13；Described
Slide block 5 has slide block perisporium 53, slide block upper wall 52 and slide block lower wall 54, the shape of described slide block perisporium 53 and described slideway 13
Inner wall shape matches, and described slide block upper wall 52 is cylindrical arc, the shape of described slide block lower wall 54 and described second frustum 42
Matching form close.
This outer mandrel that rises includes rising outside two positions, one be ringfeder 2 and the cooperation of the first frustum 11 first outside rise portion, separately
One for slide block 5 and the second frustum 42 coordinate second outside rise portion；Two positions of rising outward, set gradually in the axial direction, work as processing
When needing the longer housing of some length of clamping, former and later two outer position all outwards swells that rise, support shell the most simultaneously
The endoporus of body, such installation way can improve the clamping rigidity of housing so that housing can more be stablized adding man-hour, when
When needing turn-over clamping, multi-point positioning and clamping supports the precision of the repeated clamping enabling to turn-over processing and improves, it is also possible to
It is greatly improved the axiality of turn-over clamping workpiece.
The conical surface of ringfeder 2 and the first frustum 11 is fitted to each other, when needs swell, and can be by spanner by tensioner screw 3
Screwing inside, the compression step 32 of tensioner screw 3 can be fitted ringfeder 2, will push ringfeder 2 and transport on the conical surface of the first frustum 11
Dynamic, ringfeder 2 is externally provided with some dilatation joints 21, and when moving on the first frustum 11 along with ringfeder 2, dilatation joint 21 width increases,
The external diameter of ringfeder 2 also can increase therewith, reaches the outer effect risen, and then can support the housing being enclosed within ringfeder 2.Work as needs
During contraction, can be unscrewed outward by tensioner screw 3 by spanner, the baffle ring 33 on tensioner screw 3 can push lobe 22 and will rise
Set is 2 extrapolated toward the first frustum 11, along with the inner hole cone emaciated face of ringfeder 2 opens the male cone (strobilus masculinus) of the first frustum 11, described ringfeder 2 due to
The effect of internal stress, external diameter shrinks, the state when width of dilatation joint 21 and the size of external diameter rise outward before will then revert to,
The external diameter of ringfeder 2 recovers to state during not outer rising, and now the outer effect that rises disappears, and ringfeder 2 props up being enclosed within housing above
Support event resolves.
The conical surface of the second frustum 42 on slide block lower wall 54 and pull bar 4 is fitted to each other, and pull bar 4 is inserted in the hole of pilot hole 14
The end, and pull bar 4 axially can slide in pilot hole 14, when needs carry out swell operation, is pulled outwardly by pull bar 4
Going out, because the second frustum 42 coordinates with slide block lower wall 54 and contacts, contacting the slide block lower wall 54 coordinated with the second frustum 42 will
Can outwards be ejected by the second frustum 42, the outer effect risen can be reached, and then the housing being enclosed within slide block 5 can be supported.When
When needing slide block 5 to shrink, can be promoted in pilot hole 14 by pull bar 4, the second frustum 42 and slide block lower wall 54 will disengage, slide block
5 can be along slideway 13 slid inward so that slide block 5 no longer has the outer state risen.
Offering cannelure 51 on the upper wall of described slide block 5 and the outer wall of mandrel 1, in described cannelure 51, hoop has tool
Resilient holding circle 8.
What hoop keep, and circle 8 can rise outside that mandrel does not also load fixed slide block 5 when of in the endoporus of workpiece, anti-
Limited slip block 5 skids off from slideway 13.Described holding circle 8 is rubber ring or turn, selects such holding circle 8 costs relatively low,
And elastic preferable, the slide block 5 reset in slideway 13 can be more beneficial for.
The described portion of tightening is the polygon of indent or evagination.The polygon tightening portion's selection indent or evagination is permissible
It is applicable to current existing Wrench, facilitates the clamping operation that workpiece rises on mandrel outside.
The quantity of described slideway 13 has more than two, is provided with the slide block 5 of correspondence in described slideway 13；Described slideway 13 edge
Mandrel 1 circumferentially disposed.Multiple slideways 13 are arranged, multiple slide blocks 5 support, and can improve the effect of support so that propping up of slide block 5
Support relatively reliable firmly.
On the cylindrical of described mandrel 1, it is positioned at the left side of described slideway 13 and is provided with the flange 6 for connecting with lathe；
The left surface of described flange 6 is provided with detent 7, described detent 7 and the first described frustum 11 coaxial.
End face at the nearly flange 6 of mandrel 1 is provided with detent 7, when rising outward by mandrel and lathe installs, and flange 6 and car
The installation end face laminating of bed main shaft, the positioning spigot of lathe spindle embeds detent 7 inner position, then by by flange 6 and master
Axle is fixing to be connected, and detent 7 and the first frustum 11 are coaxial, it is ensured that the rotation of lathe when the mandrel that rises outward is arranged on lathe
Center and the outer central coaxial risen of the mandrel that rises outward.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of described term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (9)
1. the outer mandrel that rises with multiple support zone, it is characterised in that: include mandrel (1), along axle on described mandrel (1)
To be provided with outer wall all can outwards swell first outside rise portion of rising outside portion and second.
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: rise outside described first
Portion includes ringfeder (2) and tensioner screw (3)；
The right-hand member of described mandrel (1) is provided with the first frustum (11), described first frustum (11) be shaped as by external diameter from left to right by
Tapering the taper of contracting, the right side of described first frustum (11) is provided with screwed hole (12)；
The endoporus of described ringfeder (2) is taper, the inner hole wall of ringfeder (2) and the matching form of the outer cone wall of the first frustum (11)
Close；On described ringfeder (2), if offering arterial highway dilatation joint (21) by left side and right side the most respectively；
Described tensioner screw (3) is provided with locking screw (31) vertically and compresses step (32), compresses the diameter chi of step (32)
The very little outside dimension less than described ringfeder (2)；The right side of described compression step (32) is provided with for screwing tensioner screw (3)
Tighten portion；The screwed hole (12) of described locking screw (31) and described first frustum (11) connects, described compression step (32)
It is fitted on the right side of described ringfeder (2).
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: at described ringfeder
(2), on inner hole wall, lobe (22) protruding radially inward at the right side of nearly described ringfeder (2), it is provided with；At tensioner spiral shell
On the outer wall of nail (3), it is positioned between the right side of described lobe (22) and the first frustum (11) and is provided with radially projection
Baffle ring (33).
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: outside described second
The portion of rising includes slide block (5) and pull bar (4)；
The pilot hole (14) coaxial with described first frustum (11), described pilot hole (14) and mandrel it is provided with in described mandrel (1)
(1) left side is connected；In described connecting shaft, it is provided with glide direction at nearly described mandrel (1) left side along pilot hole (14)
Slideway (13) radially, the hole wall of described slideway (13) connection pilot hole (14) and the outer wall of mandrel (1)；
Described pull bar (4) is sequentially provided with connecting rod portion (43), the second frustum (42) and guide post portion (41) vertically, and described second
Being shaped as of frustum (42) is turned left the taper that external diameter gradually tapers up by the right side, described connecting rod portion (43) and a left side for the second frustum (42)
End connects, and the right-hand member of described guide post portion (41) and the second frustum (42) connects；Described guide post portion (41) and pilot hole (14)
Matched in clearance, described guide post inserts in pilot hole (14)；On the axial direction of mandrel (1), described second frustum (42)
Position is corresponding with the position of described slideway (13)；
Described slide block (5) is arranged in described slideway (13) and can be along the glide direction slip of slideway (13)；Described slide block (5) has
There are slide block perisporium (53), slide block upper wall (52) and slide block lower wall (54), the shape of described slide block perisporium (53) and described slideway
(13) inner wall shape matches, and described slide block upper wall (52) is cylindrical arc, and the shape of described slide block lower wall (54) is with described
The matching form of the second frustum (42) closes.
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: at described slide block
(5) offering cannelure (51) on upper wall and the outer wall of mandrel (1), described cannelure (51) interior hoop has the resilient guarantor of tool
Hold circle (8).
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: described holding, encloses
(8) it is rubber ring or turn.
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: described tightens portion
For indent or the polygon of evagination.
A kind of outer mandrel that rises with multiple support zone, it is characterised in that: described slideway (13)
Quantity there are more than two, be provided with in described slideway (13) correspondence slide block (5)；Described slideway (13) is along the week of mandrel (1)
To setting.
A kind of outer mandrel that rises with many support zones, it is characterised in that: in described mandrel (1)
Cylindrical on, be positioned at the left side of described slideway (13) flange (6) being provided with for connecting with lathe；At described flange (6)
It is coaxial that left surface is provided with detent (7), described detent (7) and described the first frustum (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575775.0A CN106041150B (en) | 2016-07-20 | 2016-07-20 | A kind of outer mandrel that rises with multiple support zones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610575775.0A CN106041150B (en) | 2016-07-20 | 2016-07-20 | A kind of outer mandrel that rises with multiple support zones |
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| Publication Number | Publication Date |
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| CN106041150A true CN106041150A (en) | 2016-10-26 |
| CN106041150B CN106041150B (en) | 2018-05-11 |
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| CN201610575775.0A Active CN106041150B (en) | 2016-07-20 | 2016-07-20 | A kind of outer mandrel that rises with multiple support zones |
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| CN106984844A (en) * | 2017-04-17 | 2017-07-28 | 横店集团东磁股份有限公司 | A kind of modified ringfeder device |
| CN109277590A (en) * | 2018-10-08 | 2019-01-29 | 广州市昊志机电股份有限公司 | A kind of dabber clamp and chuck for installing |
| CN109707714A (en) * | 2019-01-16 | 2019-05-03 | 沈阳飞机工业（集团）有限公司 | A kind of conical surface generation radial displacement tensioning device |
| CN111805277A (en) * | 2019-04-10 | 2020-10-23 | 安徽美芝制冷设备有限公司 | Work fixture |
| CN113369988A (en) * | 2021-06-25 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | Automatic alignment device and method for machine tool angle head |
| CN113400063A (en) * | 2021-05-30 | 2021-09-17 | 浙江双鸟起重设备有限公司 | Turning mold device for running motor shell of steel wire rope electric block |
| CN113775636A (en) * | 2021-08-27 | 2021-12-10 | 中国煤炭科工集团太原研究院有限公司 | Clearance compensation type pin shaft device and anchor rod drilling machine |
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| CN106041150B (en) | 2018-05-11 |
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Denomination of invention: Outward expansion mandrel with multiple support parts Effective date of registration: 20190529 Granted publication date: 20180511 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: Jiangsu Tengxuan Technology Co.Ltd. Registration number: 2019990000483 |
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Date of cancellation: 20230328 Granted publication date: 20180511 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: Jiangsu Tengxuan Technology Co.Ltd. Registration number: 2019990000483 |