CN107081589B - Press mounting equipment for corrugated pipe end of drum-shaped tooth-shaped coupler - Google Patents
Press mounting equipment for corrugated pipe end of drum-shaped tooth-shaped coupler Download PDFInfo
- Publication number
- CN107081589B CN107081589B CN201710487534.5A CN201710487534A CN107081589B CN 107081589 B CN107081589 B CN 107081589B CN 201710487534 A CN201710487534 A CN 201710487534A CN 107081589 B CN107081589 B CN 107081589B
- Authority
- CN
- China
- Prior art keywords
- corrugated pipe
- die
- mandrel
- press
- ram
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses equipment for press-fitting ends of corrugated pipes of a crowned tooth-shaped coupler, and relates to the technical field of flanging and press-fitting equipment of coupler cylinders. The drum-shaped tooth type coupler corrugated pipe end press-fitting equipment comprises: the mechanical wave expanding device comprises a bottom die and a die piece for expanding the wall of the corrugated pipe radially outwards, wherein the die piece is arranged on the bottom die and can move outwards in the radial direction on the bottom die; a first compacting device including a first ram for compacting the waveform of the bellows expanded by the die on the inner race; the spinning flanging device comprises a mandrel and a third pressure head used for radially inwards flattening the wall of the corrugated pipe, the third pressure head is sleeved on the mandrel, and the third pressure head can rotate on the mandrel; and a second compaction device comprising a second ram for compacting the flattened bellows wall inwardly of the ring gear. The drum-shaped tooth-shaped coupler corrugated pipe end press-mounting device can complete continuous actions, so that the corrugated pipe is fixedly connected with the annular gear.
Description
Technical Field
The invention relates to the technical field of flanging and press-fitting equipment of coupler cylinders, in particular to press-fitting equipment for end parts of corrugated pipes of crowned tooth type couplers.
Background
The corrugated pipe on the coupler, namely the coupler cylinder, usually needs to be connected in a flanging mode to ensure the connection tightness, and if welding is adopted, the same effect cannot be achieved.
The existing processing equipment of the coupler cylinder can only enable the end part of the cylinder to be turned outwards or inwards, and fastening can be achieved only by manually hammering or manually extruding. The device has single function and can not fix the annular gear and the corrugated pipe together continuously.
Disclosure of Invention
The invention aims to provide a press fitting device for the end part of a corrugated pipe of a crowned tooth type coupler, which aims to solve the technical problem of single function of coupler cylinder processing equipment in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention provides a press-fitting device for the end part of a corrugated pipe of a crowned tooth-shaped coupler, which comprises the following components:
the mechanical wave expansion device comprises a bottom die and a die piece for expanding the wall of the corrugated pipe radially outwards, wherein the die piece is arranged on the bottom die and can move outwards on the bottom die along the radial direction;
a first compaction device including a first ram for compacting the waveform of the bellows stretched by the die on the inner race;
the spinning flanging device comprises a mandrel and a third pressure head for radially inwards flattening the wall of the corrugated pipe, the third pressure head is sleeved on the mandrel, and the third pressure head can rotate on the mandrel; and
the second compaction device comprises a second pressing head for compacting the flattened corrugated pipe wall inwards of the inner gear ring.
Further, the mechanical wave expanding device also comprises a driving component;
the driving component is arranged on the bottom die;
the drive assembly is configured to drive the die to move outwardly in a radial direction on the base die.
Further, the driving assembly comprises a sliding sleeve and a pushing block;
the pushing block is sleeved in the sliding sleeve;
the sliding sleeve is movably arranged on the bottom die;
the die plate is fixedly arranged on the sliding sleeve;
the pushing block is used for driving the sliding sleeve to drive the die piece to move outwards on the bottom die along the radial direction.
Further, a conical arc surface is arranged on the sliding sleeve;
the pushing block is cone-shaped;
the shape of the pushing block is matched with that of the conical arc surface;
the pushing block is vertically arranged on the conical arc surface.
Further, the number of the sliding sleeves is multiple;
the sliding sleeves are matched with each other, and are spliced to form a complete annular with a conical through hole in the middle.
Further, the first pressure head is hollow cylinder-shaped.
Further, the inner diameter size of the first pressure head is the same as the inner diameter size of the ring gear.
Further, the spinning flanging device also comprises a connecting rod;
the connecting rod is sleeved on the mandrel;
the third ram is disposed between the connecting rod and an end of the mandrel.
Further, the spinning flanging device also comprises a sleeve;
the sleeve is sleeved on the mandrel;
the third pressure head is sleeved on the sleeve, and the third pressure head can rotate on the sleeve.
Further, a pressing ring is arranged at the bottom of the second pressing head;
the pressing ring is used for compacting the corrugated pipe wall flattened by the third pressing head into the inner gear ring.
The corrugated pipe end press-fitting equipment of the drum-shaped tooth-type coupler provided by the invention has the advantages that the corrugated pipe wall is radially outwards expanded by the mechanical wave expansion device, the corrugated pipe wall is radially inwards flattened by the spinning flanging device after being compacted on the inner gear ring by the first compacting device, the corrugated pipe wall flattened by the spinning flanging device is compacted inside the inner gear ring by the second compacting device, so that outward flanging wave expansion is completed, the corrugated pipe is compacted, inwards flanging flattening is carried out, and finally, the corrugated pipe is fixedly connected with the inner gear ring by the continuous actions of downward compaction, so that the problem of single function of the coupler cylinder processing equipment is solved, and the equipment is suitable for popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the whole structure of a press-fitting device for the end part of a corrugated pipe of a crowned tooth-shaped coupling;
fig. 2 is a schematic cross-sectional structure diagram of a mechanical wave-expanding device in a press-fitting device for a corrugated pipe end of a crowned tooth-shaped coupling;
fig. 3 is a schematic top view of a mechanical wave-expanding device in a press-fitting device for corrugated pipe end of a crowned tooth-shaped coupling;
FIG. 4 is a schematic cross-sectional view of a first compaction device in a press-fitting apparatus for a corrugated pipe end of a crowned tooth coupling according to the present invention;
FIG. 5 is a schematic cross-sectional view of a spinning flanging device in a press-fitting apparatus for a corrugated pipe end of a crowned teeth-type coupling according to the present invention;
FIG. 6 is a schematic structural view of a spinning flanging device in a press-fitting device for end portions of corrugated pipes of a crowned teeth-type coupling;
FIG. 7 is a schematic cross-sectional view of a second compaction device in a tooth coupling end press-fitting apparatus according to the present invention;
fig. 8 is a schematic diagram of a workpiece structure before press-fitting equipment for the corrugated pipe end of a crowned tooth-shaped coupling provided by the invention;
fig. 9 is a schematic diagram of a workpiece structure after the outward flanging wave-expanding operation of the press-mounting equipment at the end part of the corrugated pipe of the crowned tooth-shaped coupling;
fig. 10 is a schematic diagram of a workpiece structure after a compacting waveform operation of a corrugated pipe end press-fitting device of a crowned tooth-shaped coupling provided by the invention;
FIG. 11 is a schematic diagram of a workpiece structure after inward flanging flattening operation of a press fitting device for a corrugated pipe end of a crowned tooth coupling provided by the invention;
fig. 12 is a schematic diagram of a workpiece structure after a pressing device for the end of a corrugated pipe of a crowned tooth-shaped coupling is compacted downward.
Reference numerals:
100-a mechanical wave expanding device; 200-a first compaction device;
300-spinning flanging device; 400-a second compaction device;
500-bellows; 600-an inner gear ring;
101-a bottom mold; 102-a die;
103-sliding sleeve; 104-pushing blocks;
105-pull rod; 106-an annular spring;
201-a first ram; 202-a first compression bar;
301-a mandrel; 302-a third ram;
303-connecting rods; 304-a sleeve;
401-a second ram; 402-a second compression bar;
403-pressing ring.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
in an alternative of the present embodiment, as shown in fig. 1 to 7, a press-fitting apparatus for a corrugated pipe end of a crowned teeth-type coupling provided in the present embodiment includes:
the mechanical wave expanding device 100 comprises a bottom die 101 and a die plate 102 for expanding the wall of the corrugated pipe 500 radially outwards, wherein the die plate 102 is arranged on the bottom die 101, and the die plate 102 can move outwards on the bottom die 101 along the radial direction;
a first compaction apparatus 200 comprising a first ram 201 for axially compacting the waveform on the bellows 500 that is expanded by the die 102 onto the ring gear 600;
the spinning flanging device 300 comprises a mandrel 301 and a third pressure head 302 for radially inwards flattening the wall of the corrugated pipe 500, wherein the third pressure head 302 is sleeved on the mandrel 301, and the third pressure head 302 can rotate on the mandrel 301; and
the second compaction apparatus 400 includes a second ram 401 for compacting the flattened bellows 500 wall inward of the ring gear 600.
In this embodiment, as shown in fig. 8 to 12, the mechanical wave expanding device 100 expands the wall of the corrugated tube 500 radially outwards, the first compacting device 200 compacts the wave form expanded by the mechanical wave expanding device 100 on the corrugated tube 500 on the ring gear 600, the spinning flanging device 300 then radially inwards flattens the wall of the corrugated tube 500, and the second compacting device 400 compacts the wall of the corrugated tube 500 flattened by the spinning flanging device 300 inside the ring gear 600, thereby completing the continuous actions of outwards flanging wave expansion, then compacting the wave form, inwards flanging flattening, and finally downwards compacting, so that the corrugated tube 500 is fixedly connected with the ring gear 600, the fixing process is continuous, the operation is convenient, and the processing efficiency is greatly improved.
In an alternative to this embodiment, the mechanical wave expanding device 100 further comprises a drive assembly; the driving component is arranged on the bottom die 101; the drive assembly is used to drive the die 102 outwardly in a radial direction on the base 101.
In an alternative of this embodiment, the driving assembly includes a sliding sleeve 103 and a pushing block 104; the pushing block 104 is sleeved in the sliding sleeve 103; the sliding sleeve 103 is movably arranged on the bottom die 101; the die 102 is fixedly arranged on the sliding sleeve 103; the pushing block 104 is used for driving the sliding sleeve 103 to drive the die 102 to move outwards on the bottom die 101 along the radial direction.
In an alternative scheme of the embodiment, a conical arc surface is arranged on the sliding sleeve 103; the pushing block 104 is cone-shaped; the push block 104 is matched with the shape of the conical arc surface; the push block 104 is vertically disposed on the tapered circular arc surface.
In an alternative of this embodiment, the number of sliding sleeves 103 is a plurality; the sliding sleeves 103 are matched with each other and spliced to form a complete circular ring with a conical through hole in the middle.
In this embodiment, the bottom mold 101 is circular, and the mold piece 102 is a sector with an arc notch at the center; the number of the mold plates 102 is the same as the number of the sliding sleeves 103, and the mold plates are respectively fixed on the sliding sleeves 103 through bolts.
The mechanical wave amplifying device 100 further includes a pull rod 105 and an annular spring 106; the pull rod 105 is connected with a driving device such as a hydraulic cylinder; the annular spring 106 is sleeved on the outer wall of the sliding sleeve 103, and plays a role in stabilizing the shape of the sliding sleeve 103.
The outward flanging wave expansion process specifically comprises the following steps: the pull rod 105 drives the push block 104 to move downwards along the axial direction, so that the plurality of dies 102 are pushed to expand the wall of the corrugated pipe 500 outwards along with the plurality of sliding sleeves 103 along with the radial direction, and the wall of the corrugated pipe 500 is pushed to expand the waveform outwards; the expanded portion of the bellows 500 is compensated for freely by the upper portion of the bellows 500, on the one hand, and by the lower portion of the bellows 500 being stretched, on the other hand, the lower portion of the bellows 500 generates a large outwardly expanding stress, so that the bellows 500 is pressed against the ring gear 600.
In an alternative to this embodiment, the first ram 201 is hollow cylinder-like.
In an alternative of the present embodiment, the inner diameter size of the first ram 201 is the same as the inner diameter size of the ring gear 600.
The first compacting device 200 further includes a first pressing rod 202, and the first pressing rod 202 is connected to a driving device such as a hydraulic cylinder.
The compaction waveform process is specifically as follows: the first pressure bar 202 drives the first pressure head 201 to move downwards axially, the waveform expanded on the corrugated pipe 500 is compacted on the inner gear ring 600, the corrugated pipe 500 is tightly attached to the inner gear ring 600, and conditions are provided for subsequent operation.
In an alternative to this embodiment, the spin-flanging device 300 further comprises a connecting rod 303; the connecting rod 303 is sleeved on the mandrel 301; a third ram 302 is disposed between the connecting rod 303 and the end of the mandrel 301.
In this embodiment, the connecting rod 303 is used to limit the position of the third ram 302 on the mandrel 301.
In an alternative to the present embodiment, the spin-flanging device 300 further comprises a sleeve 304; the sleeve 304 is fixedly sleeved on the mandrel 301; the third ram 302 is sleeved on the sleeve 304, and the third ram 302 can rotate on the sleeve 304.
In this embodiment, the bellows 500 wall is flattened radially inward by moving the third ram 302 via the connecting rod 303.
The inward flanging flattening process comprises the following steps: the motor drives the inner gear ring 600 and the corrugated pipe 500 to rotate together, the third pressure head 302 radially feeds and compresses the pipe wall of the corrugated pipe 500, so that the port of the corrugated pipe 500 is compressed radially inwards; as the bellows 500 is compressed inwardly, its inner diameter becomes smaller, which generates a large internal stress, facilitating tensioning on the ring gear 600.
In an alternative of this embodiment, the bottom of the second ram 401 is provided with a press ring 403; the pressing ring 403 is used to press the wall of the bellows 500 flattened by the third ram 302 inward of the ring gear 600.
In this embodiment, the outer diameter of the pressing ring 403 is slightly smaller than the inner diameter of the ring gear 600, so that a certain space is reserved for the wall of the corrugated pipe 500 to be attached to the inner wall of the ring gear 600.
The second compacting device 400 further includes a second pressing rod 402, where the second pressing rod 402 is connected to a driving device such as a hydraulic cylinder, and the second pressing head 401 is fixed to the second pressing rod 402 by two nuts, i.e., an upper nut and a lower nut.
The downward compaction process is specifically as follows: the second pressing rod 402 drives the second pressing head 401 to move axially downwards, so that the pipe wall of the flattened and flanged corrugated pipe 500 is pressed and moves towards the inside of the inner gear ring 600, the port of the corrugated pipe 500, namely the flange, is bent downwards, and the port of the corrugated pipe 500 is pressed on the inner wall of the inner gear ring 600.
Thus, the fixed connection of the bellows 500 and the ring gear 600 is completed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. A crowned teeth coupling bellows end press-fitting apparatus comprising:
-a mechanical wave expanding device (100) comprising a bottom mould (101) and a mould plate (102) for radially expanding the wall of the bellows outwards, the mould plate (102) being arranged on the bottom mould (101), the mould plate (102) being movable on the bottom mould (101) outwards in a radial direction;
a first compaction device (200) comprising a first ram (201) for compacting the waveform on the bellows, which waveform is expanded by the die (102), on the inner race;
the spinning flanging device (300) comprises a mandrel (301) and a third pressure head (302) for radially inwards flattening the wall of the corrugated pipe, wherein the third pressure head (302) is sleeved on the mandrel (301), and the third pressure head (302) can rotate on the mandrel (301); the spinning flanging device (300) further comprises a connecting rod (303), and the connecting rod (303) is sleeved on the mandrel (301); the third ram (302) is arranged between the connecting rod (303) and the end of the mandrel (301); and
a second compaction apparatus (400) comprising a second ram (401) for compacting the flattened bellows wall inwardly of the ring gear.
2. The crowned teeth coupling bellows end press-fitting apparatus of claim 1, wherein the mechanical wave expanding device (100) further comprises a drive assembly;
the driving component is arranged on the bottom die (101);
the drive assembly is used for driving the die piece (102) to move outwards on the bottom die (101) along the radial direction.
3. The crowned teeth coupling bellows end press-fitting apparatus of claim 2, wherein the drive assembly includes a sliding sleeve (103) and a push block (104);
the pushing block (104) is sleeved in the sliding sleeve (103);
the sliding sleeve (103) is movably arranged on the bottom die (101);
the die piece (102) is fixedly arranged on the sliding sleeve (103);
the pushing block (104) is used for driving the sliding sleeve (103) to drive the die piece (102) to move outwards on the bottom die (101) along the radial direction.
4. A crowned teeth coupling bellows end press-fitting apparatus according to claim 3, characterized in that the sliding sleeve (103) is provided with a conical arc surface;
the pushing block (104) is cone-shaped;
the pushing block (104) is matched with the conical arc surface in shape;
the pushing block (104) is vertically arranged on the conical arc surface.
5. The crowned teeth coupling bellows end press-fitting apparatus of claim 4, wherein the number of sliding sleeves (103) is plural;
the sliding sleeves (103) are matched with each other, and are spliced to form a complete annular with a conical through hole in the middle.
6. The crowned teeth coupling bellows end press-fitting apparatus of claim 1, wherein the first ram (201) is hollow cylinder-like.
7. The crowned teeth coupling bellows end press-fitting apparatus according to claim 6, wherein an inner diameter size of the first ram (201) is the same as an inner diameter size of the ring gear.
8. The crowned teeth coupling bellows end press-fitting apparatus of claim 1, wherein the spin-flanging device (300) further comprises a sleeve (304);
the sleeve (304) is sleeved on the mandrel (301);
the third pressure head (302) is sleeved on the sleeve (304), and the third pressure head (302) can rotate on the sleeve (304).
9. The crowned teeth coupling bellows end press-fitting apparatus according to claim 1, wherein a pressing ring (403) is provided at a bottom of the second press head (401);
the pressing ring (403) is used for compacting the corrugated pipe wall flattened by the third pressing head (302) towards the inner gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487534.5A CN107081589B (en) | 2017-06-23 | 2017-06-23 | Press mounting equipment for corrugated pipe end of drum-shaped tooth-shaped coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710487534.5A CN107081589B (en) | 2017-06-23 | 2017-06-23 | Press mounting equipment for corrugated pipe end of drum-shaped tooth-shaped coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107081589A CN107081589A (en) | 2017-08-22 |
| CN107081589B true CN107081589B (en) | 2023-05-19 |
Family
ID=59606748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710487534.5A Active CN107081589B (en) | 2017-06-23 | 2017-06-23 | Press mounting equipment for corrugated pipe end of drum-shaped tooth-shaped coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107081589B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629289A (en) * | 2012-08-20 | 2014-03-12 | 日立汽车系统株式会社 | Tube provided with branch tube, shock absorber, and method for making them |
| CN105451906A (en) * | 2013-08-07 | 2016-03-30 | 济州大学校产学协力团 | Tube flanging method |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482174A (en) * | 1980-09-15 | 1984-11-13 | Lokring | Apparatus and method for making a tube connection |
| JP2003287167A (en) * | 2002-03-29 | 2003-10-10 | Hitachi Metals Ltd | Compression tool for tube coupling |
| DE10310938A1 (en) * | 2003-03-13 | 2004-09-23 | Brugg Rohr Ag, Holding | Method of making a connection between a corrugated pipe and a connector |
| JP2008256028A (en) * | 2007-04-03 | 2008-10-23 | Taiji Nakamoto | Pipe and its manufacturing method |
| JP2009243563A (en) * | 2008-03-31 | 2009-10-22 | Showa Denko Kk | Pipe coupling structure with hollow component |
| CN201389581Y (en) * | 2008-12-12 | 2010-01-27 | 沈阳汇博热能设备有限公司 | Major-diameter flanging corrugated pipe sealing surface leveling device |
| CN101666402B (en) * | 2009-09-24 | 2011-06-01 | 四川成都成工工程机械股份有限公司 | Plane sealing structure of hydraulic tube and processing method |
| CN201992211U (en) * | 2010-08-13 | 2011-09-28 | 扬州华宇管件有限公司 | Spigot-and-socket steel pipe connecting structure |
| CN201810927U (en) * | 2010-09-09 | 2011-04-27 | 江苏宝金来管道成套设备有限公司 | Axial compensation reinforced connecting structure of corrugated pipe compensator |
| EP2679873B1 (en) * | 2012-06-29 | 2017-05-31 | TI Automotive (Heidelberg) GmbH | Connection device comprising a motor vehicle pipe and a connection fitting |
| CN104864643A (en) * | 2014-02-26 | 2015-08-26 | 珠海华宇金属有限公司 | Accumulator and manufacturing method thereof |
| MX2016012979A (en) * | 2014-04-02 | 2017-05-12 | I M M Hydraulics S P A | Bushing for the connection of two tubular elements and method for the production thereof. |
| CN104500882B (en) * | 2014-11-27 | 2016-04-13 | 宁波泰尔汽车部件有限公司 | The linkage structure of pipe and flange and processing method thereof |
| CN105822854A (en) * | 2016-05-31 | 2016-08-03 | 江苏金由新材料有限公司 | Connecting structure of non-metallic pipe and metal plate |
| CN207087277U (en) * | 2017-06-23 | 2018-03-13 | 康为同创集团有限公司 | Drum-shaped tooth type shaft coupling corrugated tube end press-loading device |
-
2017
- 2017-06-23 CN CN201710487534.5A patent/CN107081589B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629289A (en) * | 2012-08-20 | 2014-03-12 | 日立汽车系统株式会社 | Tube provided with branch tube, shock absorber, and method for making them |
| CN105451906A (en) * | 2013-08-07 | 2016-03-30 | 济州大学校产学协力团 | Tube flanging method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107081589A (en) | 2017-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104028606B (en) | A kind of spinning portion brace type bellows spinning machine and forming method | |
| CN1538102A (en) | Method for producing joint between corrugated tube and coupling | |
| CN102319783A (en) | Heat-push bending method for producing pipe fittings with equal diameters and equal wall thicknesses | |
| CN105170747A (en) | Plunger self-locking metal corrugated pipe multi-corrugate water expansion once-forming machine | |
| CN107081589B (en) | Press mounting equipment for corrugated pipe end of drum-shaped tooth-shaped coupler | |
| CN104889274A (en) | Universal round tube necking and flaring forming tool | |
| CN202123135U (en) | Thermal push-bending device for pipes with equal diameter and equal wall thickness | |
| CN210023521U (en) | Composite pipe flanging withholding joint processing equipment | |
| CN211276031U (en) | Precision elbow pipe end forming and extruding device | |
| CN105471189A (en) | Stator winding shaping apparatus | |
| CN105127316A (en) | Pipe end reduction device and reduction machining method | |
| CN102274881A (en) | Induction-heating bending device for pipes with same diameters and same wall thicknesses | |
| CN102151712B (en) | Short screw connected expansion ring type fixed dummy block | |
| CN116329352A (en) | Automatic hydraulic forming device and forming method for corrugated pipe | |
| CN107520275A (en) | A kind of method that HTHP thick-wall seamless road squeezes the curved combined shaping of forging | |
| CN207087277U (en) | Drum-shaped tooth type shaft coupling corrugated tube end press-loading device | |
| CN111589956A (en) | Forming die of vertical rod self-locking device for scaffold | |
| JP2013194905A (en) | Cylinder member for automatic transmission and method of manufacturing the same | |
| CN212310625U (en) | Forming die of vertical rod self-locking device for scaffold | |
| CN220387686U (en) | Stainless steel tube forming device for steel skeleton prefabricated sealing ring | |
| CN214922078U (en) | Thin-wall stainless steel pipe and joint fixing device | |
| CN107413915B (en) | Bellows with bag forming die with straight-edge section clamping device | |
| CN217252520U (en) | Bearing ring forges forming die | |
| CN211386487U (en) | Seamless large-diameter metal expansion joint forming combined die | |
| CN211891946U (en) | Joint structure of PVC-O pipe traction pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |