CN104690324A - Die tensioning device - Google Patents

Die tensioning device Download PDF

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Publication number
CN104690324A
CN104690324A CN201510073337.XA CN201510073337A CN104690324A CN 104690324 A CN104690324 A CN 104690324A CN 201510073337 A CN201510073337 A CN 201510073337A CN 104690324 A CN104690324 A CN 104690324A
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CN
China
Prior art keywords
cover
bearing
clutch shaft
sleeve
ring
Prior art date
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Granted
Application number
CN201510073337.XA
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Chinese (zh)
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CN104690324B (en
Inventor
武文成
王静
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Xuzhou Zhirui Construction Machinery Co.,Ltd.
Original Assignee
武文成
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Priority to CN201510073337.XA priority Critical patent/CN104690324B/en
Publication of CN104690324A publication Critical patent/CN104690324A/en
Application granted granted Critical
Publication of CN104690324B publication Critical patent/CN104690324B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/40Expansion mandrels
    • B23B31/4073Gripping the work or tool between planes almost perpendicular to the axis

Abstract

The invention provides a die tensioning device. The die tensioning device is characterized in that the outer side of a first annular step is fixedly connected to a connection sleeve, wherein the connection sleeve is connected with a linkage sleeve through a first transmission thread; the linkage sleeve is connected with a first bearing sleeve through a first bearing; a second annular step is connected with a transmission sleeve through a second transmission thread; the transmission sleeve is connected with a second bearing sleeve through a second bearing; a groove is formed in the circumference of the right end of the linkage sleeve; a bump is arranged at the left end of the transmission sleeve; the groove and the bump can be nested and can slide; the first transmission thread and the second transmission thread are reverse in helical directions; annular wedges are arranged at the left end of the first bearing sleeve and the right end of the second bearing sleeve; tensioning sleeves matched with the first bearing sleeve and the second bearing sleeve are arranged at the exteriors of the first bearing sleeve and the second bearing sleeve; the first bearing sleeve and the second bearing sleeve are connected with the tensioning sleeves in a sliding manner; at least two tensioning blocks capable of radially moving are arranged at two ends of each tensioning sleeve. By virtue of the die tensioning device, the processing of cylinder barrels can be facilitated; the processing efficiency can be improved.

Description

One rises die device
Technical field
The present invention relates to a kind of frock, specifically one rises die device.
Background technology
At present, cylinder barrel or other cylindrical work pieces are usually located by chuck in process, but locate with chuck, need when the groove to cylinder barrel inside, chamfer machining frequently workpiece to be reversed end for end, and need adjustment centre frame and clamp cylinder barrel, this not only extends the processing duration of workpiece, and makes machining accuracy be not easy to ensure.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides one to rise die device, this device can be convenient to the processing of cylinder barrel or other cylindrical work pieces, cylinder barrel or other cylindrical work pieces can be made not to need to reverse end for end continually when processing groove and chamfering, thus the efficiency of cylinder barrel or the processing of other cylindrical work pieces can be improved, and machining accuracy can be ensured.
To achieve these goals, the invention provides one to rise die device, comprise ringfeder, mandrel, described mandrel is provided with the first ring-shaped step that external diameter increases gradually from left to right successively, second ring-shaped step, adapter sleeve is fixedly connected with outside described first ring-shaped step, the outside of described adapter sleeve be arranged with adaptive with it and with its interlock cover be connected by the first motion thread, described interlock cover to be overlapped with clutch shaft bearing by clutch shaft bearing and is connected, described clutch shaft bearing cover and interlock are enclosed within the position corresponding with clutch shaft bearing and are provided with the first location structure for positioning clutch shaft bearing, the outside of described second ring-shaped step be arranged with adaptive with it and with its drive sleeve be connected by the second motion thread, described drive sleeve is connected with the second bearing holder (housing, cover) by the second bearing, described second bearing holder (housing, cover) and drive sleeve are provided with the second location structure for positioning the second bearing in the position corresponding with the second bearing, the rotation direction of described first motion thread and the second motion thread is contrary, the circumference of the right-hand member of described interlock cover is provided with groove, the left end of described drive sleeve is provided with the projection extended to interlock cover direction in the position of the described groove of correspondence, described groove and projection tabling and can slide along the axial direction of mandrel, the described left end of clutch shaft bearing cover and the right-hand member of the second bearing holder (housing, cover) are equipped with the annular wedge that external diameter ecto-entad diminishes gradually, the outer cover of described clutch shaft bearing cover and the second bearing holder (housing, cover) is equipped with the ringfeder with its adaptation, described clutch shaft bearing cover and the second bearing holder (housing, cover) and described ringfeder are slidably connected, described ringfeder is made up of the cylindrical section of centre and the block that rises of cylindrical section left and right sides, the block that rises of left and right sides all at least arranges two and circumference is uniform.
In this technical scheme, being rotated by drive sleeve makes drive sleeve to left movement, under the effect of the projection be slidably connected and groove and contrary the first motion thread of rotation direction and the second motion thread, interlock cover is driven to move right, and then make the second bearing holder (housing, cover) to left movement, clutch shaft bearing cover moves right, thus drives the outside spreading of the block that rises on ringfeder, realizes tensioner cylinder barrel or other cylindrical work pieces.By making drive sleeve counter-rotation, drive sleeve can be made to move right and go to drive interlock cover to left movement by the groove that cooperatively interacts and projection, and then realizing and being separated of cylinder barrel or other cylindrical work pieces.This device can be convenient to the processing of cylinder barrel or other cylindrical work pieces, cylinder barrel or other cylindrical work pieces can be made not to need to reverse end for end when processing groove and chamfering, thus can improve the efficiency of cylinder barrel or the processing of other cylindrical work pieces, and can ensure machining accuracy.
Described adapter sleeve left part is provided with external diameter four ring-shaped step large compared with its right part, the right part of described interlock cover inboard is provided with the boss with described adapter sleeve right part adaptation, described mandrel is provided with external diameter three ring-shaped step large compared with the second ring-shaped step on the right side of its second ring-shaped step, and right part and the 3rd ring-shaped step of described drive sleeve are suitable.
In this technical scheme, by the setting of the 4th ring-shaped step, can the left limit structure of shape interlock cover, prevent interlock from overlapping mistake stroke action left; By the setting of the 3rd ring-shaped step, the right limit structure of drive sleeve can be formed, prevent drive sleeve mistake stroke action to the right.
The quantity of described groove and projection is four.
In this technical scheme, four are by making the quantity of groove and projection, so not only can ensure that the structure that groove and projection are fitted together to mutually is more stable, and interlock can also be avoided to overlap the slip producing radial direction between drive sleeve, thus ensure that the action of interlock cover and the action of drive sleeve have good synchronism, make this device have stronger reliability.
Described rise block by be positioned at its both sides and the gap extending to end in the middle part of ringfeder is integrally formed at ringfeder, the middle part of described ringfeder is provided with multiple circular hole along its circumference distribution, the one end in described gap originates in the edge of circular hole, and the gap of ringfeder left part and the gap of right part are arranged alternately.
In this technical scheme, by making to rise, block is integrally formed on ringfeder, the processing of block of being convenient to rise, the elasticity of the block that can also ensure to rise; By the setting of circular hole, and gap is extended to the two ends of ringfeder alternately from the edge of circular hole, the external force risen required for block radial motion can be reduced like this, thus the radial motion of the block that just can be able to realize rising by less power.
The quantity of described clutch shaft bearing and the second bearing is two, described first location structure overlap by being arranged on interlock left end convex shoulder, be arranged on the locating ring between two clutch shaft bearings that clutch shaft bearing puts and be arranged on the nut that interlock overlaps right-hand member and form, described second location structure is made up of the boss being arranged on drive sleeve right-hand member, the nut that is arranged on the locating ring between two the second bearings on the second bearing holder (housing, cover) and is arranged on drive sleeve left end.
In this technical scheme, by make the first location structure by be arranged on interlock and overlap left end convex shoulder, be arranged on the locating ring between two clutch shaft bearings that clutch shaft bearing puts and be arranged on the nut that interlock overlaps right-hand member and form, described second location structure is made up of the boss being arranged on drive sleeve right-hand member, the nut that is arranged on the locating ring between two the second bearings on the second bearing holder (housing, cover) and is arranged on drive sleeve left end, to the location of clutch shaft bearing and the second bearing, the landing in the course of work of clutch shaft bearing or the second connecting axle can be prevented.
The left end of described mandrel and the left end of adapter sleeve pass through pinned connection.
In this technical scheme, by the left end of the left end and adapter sleeve that make mandrel by pinned connection, the maintenance to this device can be convenient to.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of adapter sleeve in the present invention;
Fig. 3 is the structural representation of drive sleeve in the present invention.
In figure: 1, ringfeder, 2, mandrel, 3, adapter sleeve, 4, interlock cover, 5, clutch shaft bearing, 6, clutch shaft bearing cover, 7, drive sleeve, the 8, second bearing, the 9, second bearing holder (housing, cover), 10, rise block, 11, circular hole, 12, bearing pin, 13, gap, 14, groove, 15, projection.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 to Figure 3, one rises die device, comprise ringfeder 1, mandrel 2, described mandrel 2 is provided with the first ring-shaped step that external diameter increases gradually from left to right successively, second ring-shaped step, adapter sleeve 3 is fixedly connected with outside described first ring-shaped step, the outside of described adapter sleeve 3 is arranged with adaptive with it and overlaps 4 with its interlock be connected by the first motion thread, described interlock cover 4 overlaps 6 by clutch shaft bearing 5 with clutch shaft bearing and is connected, described clutch shaft bearing cover 6 and interlock cover 4 are provided with the first location structure for positioning clutch shaft bearing 5 in the position corresponding with clutch shaft bearing 5, the outside of described second ring-shaped step be arranged with adaptive with it and with its drive sleeve 7 be connected by the second motion thread, described drive sleeve 7 is connected with the second bearing holder (housing, cover) 9 by the second bearing 8, described second bearing holder (housing, cover) 9 and drive sleeve 7 are provided with the second location structure for positioning the second bearing 8 in the position corresponding with the second bearing 8, and the rotation direction of described first motion thread and the second motion thread is contrary, the circumference of the right-hand member of described interlock cover 4 is provided with groove 14, the left end of described drive sleeve 7 is provided with the projection 15 overlapping 4 directions extensions to interlock in the position of the described groove 14 of correspondence, described groove 14 and projection 15 tabling and can slide along the axial direction of mandrel 2, the described clutch shaft bearing cover left end of 6 and the right-hand member of the second bearing holder (housing, cover) 9 are equipped with the annular wedge that external diameter ecto-entad diminishes gradually, described second bearing holder (housing, cover) 9 and clutch shaft bearing cover 6 are preferably of similar shape structure and are symmetrical arranged, the outer cover of described clutch shaft bearing cover 6 and the second bearing holder (housing, cover) 9 is equipped with the ringfeder 1 with its adaptation, described clutch shaft bearing cover 6 and the second bearing holder (housing, cover) 9 are slidably connected with described ringfeder 1, described ringfeder 1 is made up of the cylindrical section of centre and the block 10 that rises of cylindrical section left and right sides, the block 10 that rises of left and right sides all at least arranges two and circumference is uniform.Being rotated by drive sleeve 7 makes drive sleeve 7 to left movement, under the effect of the projection 15 be slidably connected and groove 14 and contrary the first motion thread of rotation direction and the second motion thread, interlock cover 4 is driven to move right, and then make the second bearing holder (housing, cover) 9 to left movement, clutch shaft bearing cover 6 moves right, thus drive the block 10 outwards spreading that rises on ringfeder 1, realize tensioner cylinder barrel or other cylindrical work pieces.By making drive sleeve 7 counter-rotation, drive sleeve 7 can be made to move right and go to drive interlock cover 4 to left movement by the groove 14 that cooperatively interacts and projection 15, and then realizing and being separated of cylinder barrel or other cylindrical work pieces.This device can be convenient to the processing of cylinder barrel or other cylindrical work pieces, cylinder barrel or other cylindrical work pieces can be made not to need to reverse end for end when processing groove and chamfering, thus can improve the efficiency of cylinder barrel or the processing of other cylindrical work pieces, and can ensure machining accuracy.
Described adapter sleeve 3 left part is provided with external diameter four ring-shaped step large compared with its right part, the right part that described interlock overlaps 4 inboards is provided with the boss with described adapter sleeve 3 right part adaptation, described mandrel 2 is provided with external diameter three ring-shaped step large compared with the second ring-shaped step on the right side of its second ring-shaped step, and right part and the 3rd ring-shaped step of described drive sleeve 7 are suitable.By the setting of the 4th ring-shaped step, can the left limit structure of shape interlock cover 4, prevent interlock from overlapping 4 mistake stroke action left; By the setting of the 3rd ring-shaped step, the right limit structure of drive sleeve 7 can be formed, prevent drive sleeve 7 mistake stroke action to the right.
The quantity of described groove 14 and projection 15 is four.So not only can ensure that the structure that groove 14 and projection 15 are fitted together to mutually is more stable, and interlock can also be avoided to overlap the slip producing radial direction between 4 and drive sleeve 7, thus ensure that the interlock cover action of 4 and the action of drive sleeve 7 have good synchronism, make this device have stronger reliability.
Described rise block 10 by be positioned at its both sides and the gap 13 extending to end in the middle part of ringfeder 1 is integrally formed at ringfeder 1, the middle part of described ringfeder 1 is provided with multiple circular hole 11 along its circumference distribution, the one end in described gap 13 originates in the edge of circular hole 11, and the gap 13 of ringfeder 1 left part and the gap 13 of right part are arranged alternately.By making to rise, block 10 is integrally formed on ringfeder 1, the processing of block 10 of being convenient to rise, the elasticity of the block 10 that can also ensure to rise; By the setting of circular hole 11, and gap is extended to the two ends of ringfeder 1 alternately from the edge of circular hole 11, the external force risen required for block 10 radial motion can be reduced like this, thus the radial motion of the block 10 that just can be able to realize rising by less power.
The quantity of described clutch shaft bearing 5 and the second bearing 8 is two, described first location structure overlap by being arranged on interlock 4 left ends convex shoulder, be arranged on the locating ring between two clutch shaft bearings 5 on clutch shaft bearing cover 6 and be arranged on the nut that interlock overlaps 4 right-hand members and form, described second location structure is made up of the boss being arranged on drive sleeve 7 right-hand member, the nut that is arranged on the locating ring between two the second bearings 8 on the second bearing holder (housing, cover) 9 and is arranged on drive sleeve 7 left end.To the location of clutch shaft bearing 5 and the second bearing 8, the landing in the course of work of clutch shaft bearing 5 or the second connecting axle 8 can be prevented like this.
The left end of described mandrel 2 is connected by bearing pin 12 with the left end of adapter sleeve 3.The maintenance to this device can be convenient to like this.
During use, be that benchmark is felt relieved with inner hole of cylinder, this device is made to extend in cylinder barrel, when proceeding to desired location, fixed bit mandrel 2 is motionless, being turned left by drive sleeve 7 to drive interlock cover 4 to move right, and then drive clutch shaft bearing cover 6 and the second bearing holder (housing, cover) 9 inwardly to move, block 10 radial motion laterally of rising on right side can be promoted, the effect of tensioner cylinder barrel or other row workpiece is so just played by the radial motion of the block 10 that rises, at this moment can take just endoporus as positioning datum, at this moment just can car endoporus and cylindrical, when car endoporus, boring cutter can put in cylinder mouth and to send a car groove from arbitrary one end of cylinder mouth, chamfering etc., during processing excircles, turning groove can be carried out from arbitrary one end of cylinder mouth, chamfering, centre frame row hand shelves etc., eliminate workpiece tune, the time of the secondary clampings such as frame centre frame, after completion of processing, when needs depart from cylinder barrel or other cylindrical work pieces, fix mandrel 2 motionless, being turned right by drive sleeve 7 to drive interlock to overlap 4 to left movement, and then drive clutch shaft bearing cover 6 and the second bearing holder (housing, cover) 9 to move in the direction away from each other, the block 10 that rises on ringfeder 1 will reset after losing footpath outward force, thus just can realize and being separated of workpiece.

Claims (6)

1. the die device that rises, comprise ringfeder (1), mandrel (2), it is characterized in that, described mandrel (2) is provided with the first ring-shaped step that external diameter increases gradually from left to right successively, second ring-shaped step, adapter sleeve (3) is fixedly connected with outside described first ring-shaped step, the outside of described adapter sleeve (3) be arranged with adaptive with it and with its interlock cover (4) be connected by the first motion thread, described interlock cover (4) is connected with clutch shaft bearing cover (6) by clutch shaft bearing (5), described clutch shaft bearing cover (6) and interlock cover (4) are provided with the first location structure for positioning clutch shaft bearing (5) in the position corresponding with clutch shaft bearing (5),
The outside of described second ring-shaped step be arranged with adaptive with it and with its drive sleeve be connected by the second motion thread (7), described drive sleeve (7) is connected with the second bearing holder (housing, cover) (9) by the second bearing (8), described second bearing holder (housing, cover) (9) and drive sleeve (7) are provided with the second location structure for positioning the second bearing (8) in the position corresponding with the second bearing (8), and the rotation direction of described first motion thread and the second motion thread is contrary;
The circumference of the right-hand member of described interlock cover (4) is provided with groove (14), the left end of described drive sleeve (7) is provided with the projection (15) extended to interlock cover (4) direction in the position of the described groove of correspondence (14), described groove (14) and projection (15) tabling and can slide along the axial direction of mandrel (2), the left end of described clutch shaft bearing cover (6) and the right-hand member of the second bearing holder (housing, cover) (9) are equipped with the annular wedge that external diameter ecto-entad diminishes gradually, the outer cover of described clutch shaft bearing cover (6) and the second bearing holder (housing, cover) (9) is equipped with and the ringfeder of its adaptation (1), described clutch shaft bearing cover (6) and the second bearing holder (housing, cover) (9) are slidably connected with described ringfeder (1), described ringfeder (1) is made up of the cylindrical section of centre and the block that rises (10) of cylindrical section left and right sides, the block that rises (10) of left and right sides all at least arranges two and circumference is uniform.
2. one according to claim 1 rises die device, it is characterized in that, described adapter sleeve (3) left part is provided with external diameter four ring-shaped step large compared with its right part, the right part that described interlock cover (4) is inboard is provided with the boss with described adapter sleeve (3) right part adaptation, described mandrel (2) is provided with external diameter three ring-shaped step large compared with the second ring-shaped step on the right side of its second ring-shaped step, and right part and the 3rd ring-shaped step of described drive sleeve (7) are suitable.
3. one according to claim 1 rises die device, and it is characterized in that, the quantity of described groove (14) and projection (15) is four.
4. the one according to any one of claims 1 to 3 rises die device, it is characterized in that, the described block that rises (10) by be positioned at its both sides and the gap (13) extending to end from ringfeder (1) middle part is integrally formed at ringfeder (1), the middle part of described ringfeder (1) is provided with multiple circular hole (11) along its circumference distribution, the one end in described gap (13) originates in the edge of circular hole (11), and the gap (13) of ringfeder (1) left part and the gap (13) of right part are arranged alternately.
5. the one according to any one of claims 1 to 3 rises die device, it is characterized in that, the quantity of described clutch shaft bearing (5) and the second bearing (8) is two, described first location structure is by the convex shoulder being arranged on interlock cover (4) left end, the locating ring be positioned between two clutch shaft bearings (5) be arranged on clutch shaft bearing cover (6) forms with the nut being arranged on interlock cover (4) right-hand member, described second location structure is by the boss being arranged on drive sleeve (7) right-hand member, the locating ring be positioned between two the second bearings (8) be arranged on the second bearing holder (housing, cover) (9) forms with the nut being arranged on drive sleeve (7) left end.
6. one according to claim 5 rises die device, it is characterized in that, the left end of described mandrel (2) and the left end of adapter sleeve (3) are connected by bearing pin (12).
CN201510073337.XA 2015-02-11 2015-02-11 Die tensioning device Active CN104690324B (en)

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Application Number Priority Date Filing Date Title
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CN104690324A true CN104690324A (en) 2015-06-10
CN104690324B CN104690324B (en) 2017-05-24

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106347494A (en) * 2016-11-25 2017-01-25 北京宏瑞汽车科技股份有限公司 Forecabin outer cover plate structure
CN108145330A (en) * 2017-12-31 2018-06-12 常州戴芮珂机电科技有限公司 A kind of connection structure of pipe fitting and terminal pad
CN108515059A (en) * 2018-04-27 2018-09-11 上海迈正环境科技有限公司 A kind of helical-blade sheet body with hairbrush and spliced helical blade
CN110899745A (en) * 2019-12-27 2020-03-24 西安航天动力机械有限公司 Internal support tool for machining and trimming cylindrical part
CN114770025A (en) * 2022-06-21 2022-07-22 四川航天长征装备制造有限公司 Double-angle wedge sliding block piston ring

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Publication number Priority date Publication date Assignee Title
GB2128115A (en) * 1982-10-06 1984-04-26 Craftsman Tools Limited Expanding mandrels
CN2069769U (en) * 1989-11-08 1991-01-23 国营燎原机械厂 Rotary expanding mandrel
JPH081417A (en) * 1994-06-14 1996-01-09 Fukutoku Dia:Kk Taper expanding mandrel
JP2004322291A (en) * 2003-04-28 2004-11-18 Denso Corp Workpiece holder
CN201529782U (en) * 2009-11-09 2010-07-21 王万法 Cylinder barrel processing and centering device
CN102069207A (en) * 2011-01-09 2011-05-25 无锡银联机械有限公司 Device capable of elastically clamping two ends of long hole
CN102485385A (en) * 2010-12-03 2012-06-06 山东双轮股份有限公司 Thin-wall tube body fastening device
CN103203484A (en) * 2013-04-29 2013-07-17 中发输配电设备(平湖)有限公司 Drum trolley clamp
CN204639181U (en) * 2015-02-11 2015-09-16 武文成 Rise die device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128115A (en) * 1982-10-06 1984-04-26 Craftsman Tools Limited Expanding mandrels
CN2069769U (en) * 1989-11-08 1991-01-23 国营燎原机械厂 Rotary expanding mandrel
JPH081417A (en) * 1994-06-14 1996-01-09 Fukutoku Dia:Kk Taper expanding mandrel
JP2004322291A (en) * 2003-04-28 2004-11-18 Denso Corp Workpiece holder
CN201529782U (en) * 2009-11-09 2010-07-21 王万法 Cylinder barrel processing and centering device
CN102485385A (en) * 2010-12-03 2012-06-06 山东双轮股份有限公司 Thin-wall tube body fastening device
CN102069207A (en) * 2011-01-09 2011-05-25 无锡银联机械有限公司 Device capable of elastically clamping two ends of long hole
CN103203484A (en) * 2013-04-29 2013-07-17 中发输配电设备(平湖)有限公司 Drum trolley clamp
CN204639181U (en) * 2015-02-11 2015-09-16 武文成 Rise die device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106347494A (en) * 2016-11-25 2017-01-25 北京宏瑞汽车科技股份有限公司 Forecabin outer cover plate structure
CN108145330A (en) * 2017-12-31 2018-06-12 常州戴芮珂机电科技有限公司 A kind of connection structure of pipe fitting and terminal pad
CN108515059A (en) * 2018-04-27 2018-09-11 上海迈正环境科技有限公司 A kind of helical-blade sheet body with hairbrush and spliced helical blade
CN110899745A (en) * 2019-12-27 2020-03-24 西安航天动力机械有限公司 Internal support tool for machining and trimming cylindrical part
CN114770025A (en) * 2022-06-21 2022-07-22 四川航天长征装备制造有限公司 Double-angle wedge sliding block piston ring

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Effective date of registration: 20201222

Address after: 221000 Dapeng Town Industrial Park, Tongshan District, Xuzhou City, Jiangsu Province

Patentee after: Xuzhou Zhirui Construction Machinery Co.,Ltd.

Address before: 235000, room 2, building 10, 0404 ancient town road, Xiangshan County, Huaibei, Anhui

Patentee before: Wu Wencheng