CN101856695A - Method and equipment thereof for buckling-riveting outer sleeve of push-pull flexible shaft - Google Patents
Method and equipment thereof for buckling-riveting outer sleeve of push-pull flexible shaft Download PDFInfo
- Publication number
- CN101856695A CN101856695A CN 201010178594 CN201010178594A CN101856695A CN 101856695 A CN101856695 A CN 101856695A CN 201010178594 CN201010178594 CN 201010178594 CN 201010178594 A CN201010178594 A CN 201010178594A CN 101856695 A CN101856695 A CN 101856695A
- Authority
- CN
- China
- Prior art keywords
- riveting
- equipment
- external mold
- molded sheet
- mold
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Press Drives And Press Lines (AREA)
- Actuator (AREA)
Abstract
The invention discloses a method and equipment thereof for buckling-riveting an outer sleeve of a push-pull flexible shaft, which are used for automobiles or engineering machinery and the like. Through the method and the equipment, an inner hole of an inner lining tube can be effectively prevented from deformation, the tensile force bearing capacity of a pipe joint is improved, and the service life of the push-pull flexible shaft is prolonged. The method comprises the following steps of: inserting the inner lining tube of a pressure hose inserted into a sleeve joint and placing the sleeve joint onto a buckling-riveting mold; starting a hydraulic system, making an external mold axially move to force an elastic mold pressing element set, so that mold pressing elements are radically retracted to rivet and press the sleeve joint; and changing a direction, making a piston rod of an oil cylinder drive the external mold to reversely move, expanding the elastic mold pressing element set and pulling a core rod out. The buckling-riveting equipment comprises the hydraulic system, the buckling-riveting mold, a stander and the like, wherein the buckling-riveting mold is provided with the external mold with an inner taper hole and the elastic mold pressing sheet set formed into an outer conical surface; springs are arranged between every two mold sleeves; the elastic mold pressing element set is in contact with a stopper; the piston rod of the oil cylinder is connected with the external mold; and a core pulling device comprising a cylinder and the core rod is arranged axially.
Description
Technical field
The present invention relates to a kind of buckling-riveting outer sleeve of push-pull flexible shaft method and equipment thereof that is used for automobile or engineering machinery etc.
Background technology
Automobile and engineering machinery all are to adopt punch press to plant towards riveter with the riveted joint of pressure hose and metallic pipe coupling at present, divide upper and lower mould to rivet, upper and lower mould be shaped as hexagon or shape from all directions, counterdie is fixed on the static die shoe, patrix is fixed on the upper bolster that can move, when pressure hose and metallic pipe coupling riveted joint, upper bolster moves downward the impact casing joint, making casing joint produce plastic deformation pushes to pressure hose, make pressure hose and metallic pipe coupling close-coupled, can bear high pulling force.Owing to during towards riveting, have only above-below direction that metallic pipe coupling is produced impulse force, and the punching press time is short, the quick deformation in metallic pipe coupling place becomes hexagon or all directions shape after the punching press, the distortion of outer tube steel wire is intersected, and skewness, the ability that makes pipe joint bear pulling force reduces, also can cause Internal Hole Deformation simultaneously, the resistance to sliding when operating mode is moved of axle core increases, and is easy to generate clamping stagnation, stuck phenomenon, makes that the manipulation resistance is big, can cause a core fracture when serious, cause the push-pull flexible shaft life-span short.
Hydraulic riveter is a kind of device that is used for metal knitted hydralic hose and metal joint connection process enforcement crimping processing technology, is widely used in the manufacturing of all kinds of engineering hydraulic machineries.The main frame of this machine for shrinking is a special hydraulic cylinder, tapered sleeve and piston rod thread connection are one, during work, the highly pressurised liquid of hydraulic system enters plunger shaft from the A mouth, the promotion piston rod is protruding, and the male cone (strobilus masculinus) of the inner conical surface compressing mould by tapered sleeve shrinks the mould resilient radial, the compressed metal joint makes it produce a certain amount of radial plastic deformation, reaches the purpose that metal joint is connected with hydralic hose.During oppositely by B confession liquid, the piston rod retraction, tapered sleeve is removed the compression to mould, and mould elasticity is recovered, and finishes a crimp cycle of joint.
Summary of the invention
Punching press riveted joint impulse force is unidirectional, the punching press time short in order to solve, and internal lining pipe Internal Hole Deformation, pipe connect and bear the problem that pulling force is low, the push-and-pull flexible axle life-span is short, the invention provides a kind of buckling-riveting outer sleeve of push-pull flexible shaft method.
The present invention can realize the purpose of inventing by following steps:
The outer skin at pressure hose two ends is peelled off certain-length;
Pressure hose one end is inserted casing joint;
The plug that is fixed on the depoling device is passed in the liner pore of casing joint insertion pressure hose, casing joint is put on the button riveting mould;
The primer fluid pressing system, the external mold that the oil cylinder piston bar pushed away or spurred internal taper hole moves axially, oppress the male cone (strobilus masculinus) of the elasticity molded sheet group of cooperation with it by the inner conical surface of external mold, make molded sheet radial contraction and compression sleeve joint produce radial deformation, make casing joint be connected with pressure hose;
When the casing joint distortion reaches the precalculated position, near switch activated hydraulic system solenoid directional control valve, making the oil cylinder piston bar drive external mold oppositely moves, elasticity molded sheet group is opened, the depoling of baric systerm startup simultaneously device is extracted plug, starts the air pressure reversing switch, depoling device return, the outer tube that taking-up presses is finished an end riveting;
Repeat above-mentioned 1-5 step, finish other end riveting.
For implementing the buckling-riveting outer sleeve of push-pull flexible shaft method, the present invention also specialized designs a kind of equipment, comprise hydraulic system, button riveting mould, frame etc., described button riveting mould includes the external mold of internal taper hole and the elasticity molded sheet group that male cone (strobilus masculinus) matches with the external mold internal taper hole, elasticity molded sheet group contacts with block on being fixed on frame or cylinder block, elasticity molded sheet group is made up of 6-16 piece die sleeve and molded sheet, between every die sleeve spring is installed, the oil cylinder piston bar is connected with external mold, and the depoling device that can move back and forth also is installed in the axial direction.
Described depoling device comprises cylinder and the plug that is connected with cylinder piston rod, and the diameter of plug is slightly less than pressure hose internal lining pipe aperture, and the degree of depth of inserting internal lining pipe slightly is deeper than the riveting position.
Described plug has a boss, and plug inserts the internal lining pipe rear boss and contacts with outer tube joint, thus definite riveting position, and for being threaded, the spacing between plug boss and piston rod can be regulated, and nut check is arranged between plug and cylinder piston rod.
Described depoling device and support be by bolted, and have slotted hole and can axially adjust the position.
The tapering of described external mold internal taper hole is 25 °-65 °.
The face of withholding that described molded sheet contacts with sleeve pipe is circular-arc, and arc diameter is identical or smaller with the cover external diameter of pipe.
The present invention compared with prior art has following advantage:
The present invention has adopted hydraulic riveter axial push-pull effort to be converted into the principle of the even radial riveting of polylith molded sheet by interior external mold cone match, thereby make outer tube joint produce uniform radial plastic deformation, the outer tube steel wire is difficult for the intersection distortion, pressure hose and casing joint riveted degree are good, simultaneously, owing in internal lining pipe, inserted plug, make the internal lining pipe endoporus not yielding in the riveting process, thereby guaranteed the fit clearance of internal lining pipe, a core can smooth and easyly be moved with the axle core.In addition, the present invention has used the depoling device, has improved production efficiency, has reduced production cost.
Description of drawings
Fig. 1 is a buckling-riveting outer sleeve of push-pull flexible shaft equipment schematic diagram;
Fig. 2 is the casing joint front view;
Fig. 3 is the front view after the outer skin of certain-length is peelled off at the pressure hose two ends;
Fig. 4 is the molded sheet front view;
Fig. 5 is the right figure of molded sheet;
Fig. 6 is an elasticity molded sheet group front view;
The specific embodiment
Come the present invention is further described below in conjunction with Figure of description:
As shown in Figure 1, for implementing the custom-designed equipment of a kind of buckling-riveting outer sleeve of push-pull flexible shaft method, comprise hydraulic system, baric systerm, button riveting mould, frame etc., hydraulic jack 5 axial arranged being fixed on the frame 13, described button riveting mould includes the external mold 4 of internal taper hole and the elasticity molded sheet group 6 that male cone (strobilus masculinus) matches with the external mold internal taper hole, elasticity molded sheet group 6 contacts with block 11 on being fixed on frame or cylinder block, the tapering of external mold internal taper hole is 25 °-65 °, elasticity molded sheet group 6 is made up of 6-16 piece die sleeve and molded sheet 7, spring 14 is installed between every die sleeve, the face of withholding that molded sheet 7 contacts with casing joint 12 is circular-arc, the face of the withholding arc diameter of molded sheet 7 is identical or smaller with casing joint riveting place external diameter, the oil cylinder piston bar is connected with external mold 4, the depoling device that can move back and forth also is installed in the axial direction, depoling device and frame 13 are passed through bolted, and have slotted hole and can axially adjust the position, the depoling device is made up of with the plug 9 that is connected with cylinder piston rod 2 cylinder 1, the diameter of plug 9 is slightly less than pressure hose internal lining pipe aperture, the degree of depth of inserting internal lining pipe slightly is deeper than the riveting position, one boss is arranged on the plug 9, plug 9 inserts the internal lining pipe rear boss and contacts with outer tube joint, thereby determine the riveting position, 2 of plug 9 and cylinder piston rods are for being threaded, the spacing that the boss of plug 9 and cylinder piston rod are 2 can be regulated, and nut check is arranged.
A kind of buckling-riveting outer sleeve of push-pull flexible shaft method:
The outer skin at pressure hose 15 two ends is peelled off certain-length;
The plug 9 that is fixed on the depoling device is passed casing joint 12 insert in the liner pore of pressure hose 15, casing joint 12 is put on the button riveting mould;
The primer fluid pressing system, the external mold 4 that the oil cylinder piston bar pushed away or spurred internal taper hole moves axially, oppress the male cone (strobilus masculinus) of the elasticity molded sheet group 6 that cooperates with it by the inner conical surface of external mold 4, make molded sheet 7 radial contraction and compression sleeve joint 12 produce radial deformation, make casing joint 12 be connected with pressure hose 15;
When casing joint 12 distortion reach the precalculated position, near switch 10 primer fluid pressing system solenoid directional control valves, the oil cylinder piston bar is oppositely moved, elasticity molded sheet group 6 is unclamped, start the depoling device simultaneously and extract plug 9, service time, relay made gas pressure change valve automatic reverse, and depoling device return is when oil cylinder piston bar drive external mold 4 reaches near switch 3, external mold 4 stop motions, that finishes once presses in proper order, takes out the outer tube that presses, and finishes an end riveting;
Repeat above-mentioned 1-5 step, finish other end riveting.
Operation principle of the present invention is as follows:
The outer skin at pressure hose two ends is peelled off certain-length, make that the steel wire in the pressure hose directly contacts with casing joint after the pressure hose insertion casing joint, the pulling-out force behind the increase riveting;
The plug that is fixed on the depoling device is passed in the liner pore of casing joint insertion pressure hose, can increase the bearing capacity of internal lining pipe in the riveting process, prevent the internal lining pipe Internal Hole Deformation;
Casing joint is put on the button riveting mould, the primer fluid pressing system, the oil cylinder piston bar pushes away or spurs external mold and moves axially, oppress the male cone (strobilus masculinus) of the elasticity molded sheet group that cooperates with it by the inner conical surface of external mold, make molded sheet radial contraction and compression sleeve joint produce radial deformation, thereby make casing joint be connected with pressure hose;
When the casing joint distortion reaches the precalculated position, near switch activated hydraulic system solenoid directional control valve, making the oil cylinder piston bar drive external mold oppositely moves, external mold unclamps the compressing to elasticity molded sheet group, elasticity molded sheet group is opened under the effect of spring, when oil cylinder piston bar drive external mold 4 reaches near switch 3, external mold 4 stop motions, that finishes once presses in proper order.When starting the hydraulic pressure reversing switch, start the depoling device and extract plug, utilize the time relay to make gas pressure change valve automatic reverse, make depoling device return, take out the outer tube that presses, finish an end riveting.
Claims (10)
1. outer sleeve of push-pull flexible shaft processing method is characterized in that this method may further comprise the steps:
The outer skin at pressure hose two ends is peelled off certain-length;
Pressure hose one end is inserted casing joint;
The plug that is fixed on the depoling device is passed in the liner pore of casing joint insertion pressure hose, casing joint is put on the button riveting mould;
The primer fluid pressing system, the external mold that the oil cylinder piston bar pushed away or spurred internal taper hole moves axially, oppress the male cone (strobilus masculinus) of the elasticity molded sheet group of cooperation with it by the inner conical surface of external mold, make molded sheet radial contraction and compression sleeve joint produce radial deformation, make casing joint be connected with pressure hose;
When the casing joint distortion reaches the precalculated position, near switch activated hydraulic system solenoid directional control valve, making the oil cylinder piston bar drive external mold oppositely moves, elasticity molded sheet group is opened, the depoling device is extracted plug, starts the air pressure reversing switch, depoling device return, the outer tube that taking-up presses is finished an end riveting;
Repeat above-mentioned 1-5 step, finish other end riveting.
2. for implementing the custom-designed equipment of the described method of claim 1, comprise hydraulic system, button riveting mould, frame etc., described button riveting mould includes the external mold of internal taper hole and the elasticity molded sheet group that male cone (strobilus masculinus) matches with the external mold internal taper hole, elasticity molded sheet group contacts with block on being fixed on frame or cylinder block, elasticity molded sheet group is made up of 6-16 piece die sleeve and molded sheet, between every die sleeve spring is installed, the oil cylinder piston bar is connected with external mold, it is characterized in that also being equipped with in the axial direction the depoling device that can move back and forth.
3. equipment as claimed in claim 2 is characterized in that described depoling device comprises cylinder and the plug that is connected with cylinder piston rod.
4. equipment as claimed in claim 3 is characterized in that the diameter of described plug is slightly less than pressure hose internal lining pipe aperture, and the degree of depth of inserting internal lining pipe slightly is deeper than the riveting position.
5. as the described equipment of claim 3-4, it is characterized in that described plug has a boss, plug inserts the internal lining pipe rear boss and contacts with outer tube joint, thereby determines the riveting position.
6. as the described equipment of claim 3-5, it is characterized in that between described plug and cylinder piston rod that for being threaded, the spacing between plug boss and piston rod can be regulated, and nut check is arranged.
7. as the described equipment of claim 3-6, it is characterized in that described depoling device and support by bolted, and have slotted hole and can axially adjust the position.
8. equipment as claimed in claim 2-7, the tapering that it is characterized in that described external mold internal taper hole is 25 °-65 °.
9. as the described equipment of claim 2-8, it is characterized in that the face of withholding that described molded sheet contacts with sleeve pipe is circular-arc.
10. equipment as claimed in claim 2-7, it is identical or smaller with the cover external diameter of pipe to it is characterized in that described molded sheet is withheld the face arc diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101785947A CN101856695B (en) | 2010-05-21 | 2010-05-21 | Method and equipment thereof for buckling-riveting outer sleeve of push-pull flexible shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101785947A CN101856695B (en) | 2010-05-21 | 2010-05-21 | Method and equipment thereof for buckling-riveting outer sleeve of push-pull flexible shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101856695A true CN101856695A (en) | 2010-10-13 |
| CN101856695B CN101856695B (en) | 2012-01-04 |
Family
ID=42942986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101785947A Active CN101856695B (en) | 2010-05-21 | 2010-05-21 | Method and equipment thereof for buckling-riveting outer sleeve of push-pull flexible shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101856695B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527860A (en) * | 2011-04-11 | 2012-07-04 | 长沙金帆机电设备制造有限公司 | Rectangular steel pipe buckling and pressing machine |
| CN102847827A (en) * | 2012-05-05 | 2013-01-02 | 江阴市康乾车业有限公司 | Automatic buckling machine |
| CN102873527A (en) * | 2012-09-28 | 2013-01-16 | 苏州市环宇汽车配件有限公司 | Automobile hose and coupling assembly equipment |
| CN104550471A (en) * | 2014-12-31 | 2015-04-29 | 柳州市金元机械制造有限公司 | Punching device for fastener of outer sheath of flexible shaft assembly |
| CN106238594A (en) * | 2016-08-18 | 2016-12-21 | 无锡市华锋车业部件有限公司 | A kind of stamping connection technique of the raw silk rings tube and tube joint of automobile guy cable |
| CN109201904A (en) * | 2018-08-30 | 2019-01-15 | 宁波汽车软轴软管有限公司 | The peeling of drag-line hose is worn, riveting all-in-one machine |
| CN109732671A (en) * | 2019-01-21 | 2019-05-10 | 中山市七酷电子科技有限公司 | A kind of equipment and a kind of manufacturing method of soda water pipe for manufacturing soda water pipe |
| CN112108575A (en) * | 2020-08-14 | 2020-12-22 | 东风商用车有限公司 | Riveting limiting system and riveting limiting method for vibration damping structure of ECU (electronic control Unit) bracket |
| CN113579091A (en) * | 2021-07-12 | 2021-11-02 | 柳州市金元机械制造有限公司 | Select flexible axle assembly of shifting to detain equipment autoloading frock of riveting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5025546A (en) * | 1987-05-23 | 1991-06-25 | Mie Hooro Co., Ltd. | Method of joining pipes |
| CN1138302A (en) * | 1994-11-02 | 1996-12-18 | 卡劳公司 | Shrinking method |
| EP1096193A2 (en) * | 1999-11-01 | 2001-05-02 | Dana Corporation | Swivel coupling and method for attaching a swivel nut to a tail piece |
| CN201034224Y (en) * | 2007-06-08 | 2008-03-12 | 中车集团南京七四二五工厂 | Vehicular brake hose assembly |
-
2010
- 2010-05-21 CN CN2010101785947A patent/CN101856695B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5025546A (en) * | 1987-05-23 | 1991-06-25 | Mie Hooro Co., Ltd. | Method of joining pipes |
| CN1138302A (en) * | 1994-11-02 | 1996-12-18 | 卡劳公司 | Shrinking method |
| EP1096193A2 (en) * | 1999-11-01 | 2001-05-02 | Dana Corporation | Swivel coupling and method for attaching a swivel nut to a tail piece |
| CN201034224Y (en) * | 2007-06-08 | 2008-03-12 | 中车集团南京七四二五工厂 | Vehicular brake hose assembly |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527860A (en) * | 2011-04-11 | 2012-07-04 | 长沙金帆机电设备制造有限公司 | Rectangular steel pipe buckling and pressing machine |
| CN102847827A (en) * | 2012-05-05 | 2013-01-02 | 江阴市康乾车业有限公司 | Automatic buckling machine |
| CN102847827B (en) * | 2012-05-05 | 2014-12-24 | 江阴市康乾车业有限公司 | Automatic buckling machine |
| CN102873527A (en) * | 2012-09-28 | 2013-01-16 | 苏州市环宇汽车配件有限公司 | Automobile hose and coupling assembly equipment |
| CN102873527B (en) * | 2012-09-28 | 2014-07-09 | 苏州市环宇汽车配件有限公司 | Automobile hose and coupling assembly equipment |
| CN104550471B (en) * | 2014-12-31 | 2017-05-17 | 柳州市金元机械制造有限公司 | Punching device for fastener of outer sheath of flexible shaft assembly |
| CN104550471A (en) * | 2014-12-31 | 2015-04-29 | 柳州市金元机械制造有限公司 | Punching device for fastener of outer sheath of flexible shaft assembly |
| CN106238594A (en) * | 2016-08-18 | 2016-12-21 | 无锡市华锋车业部件有限公司 | A kind of stamping connection technique of the raw silk rings tube and tube joint of automobile guy cable |
| CN109201904A (en) * | 2018-08-30 | 2019-01-15 | 宁波汽车软轴软管有限公司 | The peeling of drag-line hose is worn, riveting all-in-one machine |
| CN109732671A (en) * | 2019-01-21 | 2019-05-10 | 中山市七酷电子科技有限公司 | A kind of equipment and a kind of manufacturing method of soda water pipe for manufacturing soda water pipe |
| CN112108575A (en) * | 2020-08-14 | 2020-12-22 | 东风商用车有限公司 | Riveting limiting system and riveting limiting method for vibration damping structure of ECU (electronic control Unit) bracket |
| CN112108575B (en) * | 2020-08-14 | 2022-04-05 | 东风商用车有限公司 | Riveting limiting system and riveting limiting method for vibration damping structure of ECU (electronic control Unit) bracket |
| CN113579091A (en) * | 2021-07-12 | 2021-11-02 | 柳州市金元机械制造有限公司 | Select flexible axle assembly of shifting to detain equipment autoloading frock of riveting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101856695B (en) | 2012-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101856695B (en) | Method and equipment thereof for buckling-riveting outer sleeve of push-pull flexible shaft | |
| CN201815621U (en) | Push-pull type flexible shaft tube-riveting machine | |
| CN203061731U (en) | Riveting press for tail pedal pipe | |
| CN101722225A (en) | Novel hydraulic bulging process for tubular parts | |
| CN101298089A (en) | Pipe-expansion mold | |
| CN103008478B (en) | Hydraulic punching and flanging mould used for interior high-pressure forming member | |
| CN201052535Y (en) | Expasion pipe mold | |
| CN104307976A (en) | Pipe fitting punching device adopting split type core bar and pipe fitting punching method | |
| CN102423784A (en) | Elastic medium-based expanding device and method for shape memory alloy pipe joint | |
| JP2004291072A (en) | Working method of end of piping, and manufacturing method of piping joint with flange | |
| CN103252409A (en) | Near-net forming die for high-strength internal hexagonal through-hole bolt | |
| CN210023521U (en) | Composite pipe flanging withholding joint processing equipment | |
| CN200988069Y (en) | Soft tube pressing mold | |
| CN102125954A (en) | Punching method convenient to discharge | |
| JP2007105788A (en) | Piercing method and counterpunch used therefor | |
| CN208245721U (en) | A kind of undershoot header structure with scalable material returning sleeve | |
| JP5641702B2 (en) | Steel pipe expansion forming method and pipe expansion forming apparatus | |
| CN216324447U (en) | Cold stamping device is used in processing of filter casing | |
| JP3674393B2 (en) | Piercing method for hydraulic bulge processing of metal pipes | |
| CN108380806A (en) | A kind of undershoot header structure with scalable material returning sleeve | |
| CN102975709A (en) | Vehicle brake hose or clutch hose joint with Bundy tube | |
| CN108311598B (en) | Oil pipe sealing cap rivet pressing device that rises | |
| CN210452583U (en) | Tool for disassembling sliding bearing | |
| CN217512682U (en) | Stamping die convenient to drawing of patterns | |
| CN219817759U (en) | Bulging die for movable joint sealing boss of thin-wall steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A push-pull soft shaft outer pipe riveting method and its equipment Granted publication date: 20120104 Pledgee: China Minsheng Bank Co.,Ltd. Liuzhou Branch Pledgor: LIUZHOU JINYUAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980004661 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20120104 Pledgee: China Minsheng Bank Co.,Ltd. Liuzhou Branch Pledgor: LIUZHOU JINYUAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980004661 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A push-pull soft shaft outer pipe riveting method and its equipment Granted publication date: 20120104 Pledgee: China Minsheng Bank Co.,Ltd. Liuzhou Branch Pledgor: LIUZHOU JINYUAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980011336 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |