CN107962529B - Wheel flip-chip press-fit die - Google Patents
Wheel flip-chip press-fit die Download PDFInfo
- Publication number
- CN107962529B CN107962529B CN201711459174.4A CN201711459174A CN107962529B CN 107962529 B CN107962529 B CN 107962529B CN 201711459174 A CN201711459174 A CN 201711459174A CN 107962529 B CN107962529 B CN 107962529B
- Authority
- CN
- China
- Prior art keywords
- plate
- positioning
- spoke
- rim
- hole
- 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
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a wheel flip-chip press-fit die which comprises an upper die carrier, a lower die carrier, spokes and a rim. The lower die holder comprises a lower die plate, a plurality of guide posts, springs sleeved on the guide posts, a movable plate penetrating through the guide posts and fixed on the springs, and a spoke fixing assembly. The top of the spoke fixing component is provided with a positioning disk and a positioning pin, and the outer diameter of the spoke positioning disk is the same as the diameter of the middle hole of the spoke. The movable plate is provided with a spring pin and a pointer. The upper die carrier comprises an upper die plate, a rim positioning ring and a rim positioning assembly, wherein the rim positioning ring and the rim positioning assembly are fixed below the upper die plate. The spoke is fixed above the spoke fixing component through the locating plate and the locating pin. The side of the rim is provided with a valve hole, and the rim is fixed on the movable plate through a spring pin and is positioned through the cooperation of the pointer and the valve hole. The invention solves the problems of difficult discharging, insufficient precision and difficult alignment of the positions of the valve hole and the spoke wind hole when the traditional mould is used for producing the wheel, has the characteristics of labor saving discharging and high positioning precision, and effectively improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of manufacturing of wheel assembly tools, in particular to a wheel press-fit die for combining a wheel spoke and a rim.
Background
The wheel is a rotating component which is arranged between the tire and the axle and bears the load, and mainly comprises a rim, a spoke and a hub, wherein the rim is a part for fixedly mounting the tire in the wheel, the spoke is a supporting part arranged between the axle and the rim, the hub is a rotating component which is connected with the wheel and the axle and is responsible for bearing the load between the tire and the axle, and the spoke is pressed into the rim by adopting a wheel press-fit die arranged on a press working table during assembly.
The wheel press-fit die used at present is usually of a normal mounting structure, namely, a rim is mounted on a lower die holder, a spoke is pressed into the rim from top to bottom to finish press-fit of the wheel, when the wheel is pressed by the method, an operator needs to turn the wheel after press-fit outwards to take out the wheel, and the operator easily causes collision of the wheel when turning the wheel. In addition, when the spoke and the rim are pressed, the valve hole on the rim and the wind hole on the spoke are guaranteed to be in a straight line position, the traditional method is that an operator performs press fit after roughly determining the position by visual observation, and the method is extremely easy to cause position deviation.
Disclosure of Invention
The invention aims to solve the problems that the traditional die is difficult to discharge, the precision is insufficient and the alignment of the positions of the valve hole and the spoke wind hole is difficult when the wheel is produced by the traditional die, and the die has the characteristics of labor saving in discharging and high positioning precision, and effectively improves the production efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a wheel flip-chip press-fit die comprises an upper die carrier, a lower die carrier, spokes to be assembled and a rim. The lower die holder comprises a lower die plate, four guide posts vertically and fixedly arranged above the lower die plate, four springs respectively sleeved on the four guide posts, a movable plate penetrating through the four guide posts and fixedly arranged on the springs, and a spoke fixing assembly fixedly arranged above the lower die plate. The spoke fixing assembly is characterized in that a positioning disc and a positioning pin for positioning the spoke are arranged at the top of the spoke fixing assembly, and the spoke is provided with a middle hole and a positioning pin hole. The outer diameter of the spoke positioning disc is the same as the diameter of the middle hole of the spoke, and the spoke is fixed on the spoke fixing component through the positioning of the positioning disc and the positioning pin. The movable plate is provided with a spring pin and a pointer for positioning the rim, and the upper die frame comprises an upper die plate, a rim positioning ring and a rim positioning assembly, wherein the rim positioning ring and the rim positioning assembly are fixed below the upper die plate. The side of the rim is provided with a valve hole, and the rim is fixed on the movable plate through a spring pin and is positioned through the cooperation of the pointer and the valve hole.
Further, the spoke fixing component sequentially comprises a lower gasket, zero to multiple lower base plates, a lower base plate fixing plate, a spoke positioning plate and a spoke positioning disc which are fixedly connected together from bottom to top. The spoke positioning plate is characterized in that a first through hole is formed in the center of the spoke positioning plate, a first boss with the same diameter as that of the through hole is arranged at the bottom of the spoke positioning plate, the spoke positioning plate is detachably mounted on the spoke positioning plate through the cooperation of the first boss and the first through hole, and one to a plurality of positioning pins are fixedly arranged at the top of the spoke positioning plate.
Further, the rim positioning assembly sequentially comprises an upper gasket, zero to a plurality of upper base plates, an upper base plate fixing plate, a pressing plate positioning plate and a pressing plate which are fixedly connected together from top to bottom. The center of the pressing plate is provided with a second through hole, and the center of the top of the spoke positioning disc is provided with a second boss with the same diameter as the second through hole. And the upper die frame and the lower die base are matched with each other through the second through hole and the second boss to conduct center guiding positioning.
Further, a supporting seat is fixedly arranged on the side edge of the movable plate, a pin shaft is arranged on the supporting seat, a through hole for the pin shaft to pass through is formed in one end of the pointer, and the pointer is rotationally connected with the supporting seat through the pin shaft. The other end of the pointer is provided with a cylindrical bulge matched with the valve hole in shape.
Further, a plurality of pin-ejecting seats are fixedly arranged below the movable plate, the pins penetrate through the movable plate and are fixed on the pin-ejecting seats, and the number of the pin-ejecting seats is determined according to the number of the pins.
Further, in order to increase the supporting force of the lower die holder, a plurality of reinforcing ribs are fixedly arranged on the lower surface of the movable plate.
The invention has the following beneficial effects: compared with the problems of difficult discharging, insufficient precision and difficult alignment of the positions of the valve hole and the spoke wind hole when the traditional mold is used for producing the wheel. The invention has the characteristics of labor saving in discharging and high positioning precision, effectively improves the production efficiency and ensures the precision of products. Meanwhile, the upper die and the lower die are positioned through center guiding, so that the accuracy of the die is effectively improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a wheel assembly diagram of the first embodiment.
Fig. 3 is a schematic diagram of a mold structure according to the first embodiment.
Fig. 4 is a wheel assembly diagram of the second embodiment.
Fig. 5 is a schematic diagram of a mold structure according to a second embodiment.
Fig. 6 is a wheel assembly diagram of the third embodiment.
Fig. 7 is a schematic diagram of a mold structure according to a third embodiment.
Description of main reference numerals: 1. a lower die holder; 11. a lower template; 12. a guide post; 13. a spring; 14. a movable plate; 15. a spoke fixing assembly; 151. a lower gasket; 152. a lower backing plate; 1521. a backing plate A; 1522. a backing plate B; 153. a lower backing plate fixing plate; 154. a spoke positioning plate; 1541. a first through hole; 1542. a positioning pin; 155. a spoke positioning disk; 1551. a first boss; 1552. a second boss; 2. a die carrier is arranged; 21. an upper template; 22. a rim positioning ring; 23. a rim fixing assembly; 231. an upper gasket; 232. an upper backing plate; 2321. a backing plate A; 2322. a backing plate B; 2323. a backing plate C; 233. an upper pad fixing plate; 234. a platen positioning plate; 235. a pressing plate; 2351. a second through hole; 3. a spoke; 31. a wind hole; 32. hollow; 33. positioning pin holes; 4. a rim; 41. a valve hole; 5. a pointer; 51. a cylindrical protrusion; 6. a support base; 61. a pin shaft; 7. a spring pin; 71. a spring pin seat; 8. reinforcing ribs.
Detailed Description
The invention will be further described with reference to the drawings and detailed description.
As shown in fig. 1, a wheel flip-chip press-fit die comprises a lower die holder 1, an upper die holder 2, a spoke 3 to be assembled and a rim 4. The lower die holder comprises a lower die plate 11, four guide posts 12 vertically fixed on the periphery of the lower die plate 11, four springs 13 respectively sleeved on the four guide posts 12, a movable plate 14 penetrating the four guide posts 12 and fixed on the springs 13, and a spoke fixing assembly 15 fixed above the lower die plate 11. Two spring pins 7 are fixedly arranged on the movable plate 14, two spring pin seats 71 are fixedly arranged below the movable plate 14, and the spring pins 7 penetrate through the movable plate 14 and are arranged on the spring pin seats 71. A plurality of reinforcing ribs 8 are fixedly arranged on the lower surface of the movable plate 14. The side of the movable plate 14 is fixedly provided with a supporting seat 6, the supporting seat 6 is provided with a pin shaft 61, and the pointer 5 is rotationally connected with the supporting seat 6 through the pin shaft 61. The other end of the pointer 5 is provided with a cylindrical projection 51 matching the shape of the valve hole 41 of the rim 4. The upper die carrier 2 comprises an upper die plate 21, a rim positioning ring 22 and a rim positioning assembly 23 which are fixed below the upper die plate 21, a valve hole 41 is arranged on the side edge of the rim 4, and the rim 4 is fixed on the movable plate 14 through a spring pin 7 and is positioned in a matched mode through a pointer 5 and the valve hole 41.
Example 1
As shown in fig. 2 and 3, the spoke 3 is provided with a wind hole 31, a middle hole 32, and a positioning pin hole 33. The spoke fixing assembly 15 includes, in order from bottom to top, a lower washer 151, a lower pad 1521, a lower pad fixing plate 153, a spoke positioning plate 154 and a spoke positioning plate 155 that are fixedly connected together. A first through hole 1541 is formed in the center of the spoke positioning plate 154, a first boss 1551 with the same diameter as the through hole 1541 is arranged at the bottom of the spoke positioning plate 155, and the spoke positioning plate 155 is detachably mounted on the spoke positioning plate 154 through the cooperation of the first boss 1551 and the first through hole 1541. A locating pin 1542 is fixedly disposed on top of the spoke positioning plate 154. The rim positioning assembly 23 sequentially comprises an upper gasket 231, an upper base plate 232, an upper base plate fixing plate 233, a pressing plate positioning disc 234 and a pressing plate 235 which are fixedly connected together from top to bottom, wherein the upper base plate 232 is formed by superposing two base plates B2321 and one base plate A2322. The center position of the pressing plate 235 is provided with a second through hole 2351, the center position of the top of the spoke positioning disc 155 is provided with a second boss 1522 with the same diameter as the second through hole 2351, and the upper die carrier 2 and the lower die carrier 1 are matched through the second through hole 2351 and the second boss 1522 to conduct center guiding positioning.
Example two
As shown in fig. 4 and 5, the spoke 3 is provided with a wind hole 31, a middle hole 32, and a positioning pin hole 33. The spoke fixing assembly 15 sequentially comprises a lower gasket 151, a lower backing plate 152, a lower backing plate fixing plate 153, a spoke positioning plate 154 and a spoke positioning plate 155 which are fixedly connected together from bottom to top. The lower pad 152 is formed by stacking one pad a 1521 and three pads B1522. A first through hole 1541 is formed in the center of the spoke positioning plate 154, a first boss 1551 with the same diameter as the first through hole 1541 is arranged at the bottom of the spoke positioning plate 155, and the spoke positioning plate 155 is detachably mounted on the spoke positioning plate 154 through the cooperation of the first boss 1551 and the through hole 1541. A locating pin 1542 is fixedly disposed on top of the spoke positioning plate 154. The rim positioning assembly 23 includes, in order from top to bottom, an upper washer 231, a platen positioning disc 234, and a platen 235 that are fixedly coupled together. The center position of the pressing plate 235 is provided with a second through hole 2351, the center position of the top of the spoke positioning disc 155 is provided with a second boss 1522 with the same diameter as the second through hole 2351, and the upper die carrier 2 and the lower die carrier 1 are matched through the second through hole 2351 and the second boss 1522 to conduct center guiding positioning.
Example III
As shown in fig. 6 and 7, the spoke 3 is provided with a wind hole 31, a middle hole 32, and a positioning pin hole 33. The spoke fixing assembly 15 sequentially comprises a lower washer 151, a spoke positioning plate 154 and a spoke positioning plate 155 which are fixedly connected together from bottom to top. A first through hole 1541 is formed in the center of the spoke positioning plate 154, a first boss 1551 with the same diameter as the through hole 1541 is arranged at the bottom of the spoke positioning plate 155, and the spoke positioning plate 155 is detachably mounted on the spoke positioning plate 154 through the cooperation of the first boss 1551 and the first through hole 1541. A locating pin 1542 is fixedly disposed on top of the spoke positioning plate 154. The rim positioning assembly 23 includes, in order from top to bottom, an upper washer 231, an upper backing plate 232, an upper backing plate fixing plate 233, a platen positioning plate 234, and a platen 235 that are fixedly connected together. The upper pad 232 is formed by superposing a pad A2321, a pad C2323 and two pads B2322. The center position of the pressing plate 235 is provided with a second through hole 2351, the center position of the top of the spoke positioning disc 155 is provided with a second boss 1522 with the same diameter as the second through hole 2351, and the upper die carrier 2 and the lower die carrier 1 are matched through the second through hole 2351 and the second boss 1522 to conduct center guiding positioning.
The working principle of the invention is as follows: after the mold is assembled, the spoke 3 is mounted on the lower mold base 1 through the positioning of the spoke positioning disc 155 and the positioning pin 1542. The rim 4 is positioned above the spoke 3 through the spring pin 7, the pointer 5 is rotated to enable the cylindrical boss 51 at the tail end of the pointer 5 to be just inserted into the valve hole 41, and the pointer 5 is rotated to the original position after the positioning is completed. The upper die carrier 2 moves downwards, the rim positioning ring 22 limits the rim 4, and the upper die plate 21 presses the rim 4 downwards until the spokes 3 and the rim 4 are in press fit. In the press-fitting process, the center guiding positioning of the upper die carrier 2 and the lower die carrier 1 is completed by matching the second through hole 2351 on the pressing plate 235 with the second boss 1522.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a wheel flip-chip press-fit die utensil, includes die carrier, die holder and the spoke and rim of waiting to assemble, its characterized in that: the lower die holder comprises a lower die plate, four guide posts vertically fixed above the lower die plate, four springs respectively sleeved on the four guide posts, a movable plate penetrating through the four guide posts and fixed on the springs, and a spoke fixing assembly fixed above the lower die plate, wherein a positioning disc and a positioning pin for positioning spokes are arranged at the top of the spoke fixing assembly, the spokes are provided with middle holes and positioning pin holes, the outer diameter of the spoke positioning disc is the same as the diameter of the middle holes of the spokes, the spokes are fixed on the spoke fixing assembly through the positioning of the positioning disc and the positioning pin, the movable plate is provided with a spring pin and a pointer for positioning a rim, the upper die plate comprises an upper die plate, a rim positioning ring and a rim positioning assembly fixed below the upper die plate, the rim side edge is provided with a valve hole, and the rim is fixed on the movable plate through the spring pin and is positioned through the matching of the pointer and the valve hole;
the spoke fixing assembly sequentially comprises a lower gasket, a zero-block-at-most lower base plate, a lower base plate fixing plate, a spoke positioning plate and a spoke positioning plate which are fixedly connected together from bottom to top, a first through hole is formed in the center of the spoke positioning plate, a first boss with the same diameter as the first through hole is arranged at the bottom of the spoke positioning plate, the spoke positioning plate is detachably arranged on the spoke positioning plate through the cooperation of the first boss and the first through hole, and one-at-most positioning pins are fixedly arranged at the top of the spoke positioning plate;
the rim positioning assembly sequentially comprises an upper gasket, zero upper base plates, upper base plate fixing plates, a pressing plate positioning plate and a pressing plate, wherein the upper gasket, the zero upper base plates, the upper base plate fixing plates, the pressing plate positioning plate and the pressing plate are fixedly connected together, a second through hole is formed in the center position of the pressing plate, a second boss with the same diameter as that of the second through hole is arranged at the center position of the top of the spoke positioning plate, and the upper die frame and the lower die base are matched through the second through hole and the second boss to conduct center guiding positioning.
2. A wheel flip-chip press-fit die as defined in claim 1, wherein: the movable plate is characterized in that a supporting seat is fixedly arranged on the side edge of the movable plate, a pin shaft is arranged on the supporting seat, a through hole for the pin shaft to pass through is formed in one end of the pointer, the pointer is rotationally connected with the supporting seat through the pin shaft, and a cylindrical bulge matched with the valve hole in shape is arranged at the other end of the pointer.
3. A wheel flip-chip press-fit die as defined in claim 1, wherein: the movable plate is fixedly provided with a plurality of spring pin seats below, and the spring pins penetrate through the movable plate and are fixed on the spring pin seats.
4. A wheel flip-chip press-fit die as defined in claim 1, wherein: the lower surface of the movable plate is fixedly provided with a plurality of reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459174.4A CN107962529B (en) | 2017-12-28 | 2017-12-28 | Wheel flip-chip press-fit die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459174.4A CN107962529B (en) | 2017-12-28 | 2017-12-28 | Wheel flip-chip press-fit die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107962529A CN107962529A (en) | 2018-04-27 |
| CN107962529B true CN107962529B (en) | 2024-02-20 |
Family
ID=61993199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711459174.4A Active CN107962529B (en) | 2017-12-28 | 2017-12-28 | Wheel flip-chip press-fit die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107962529B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254128B (en) * | 2019-06-21 | 2022-05-17 | 哈尔滨工业大学（威海） | Forming die of three formula combination rims of carbon fiber |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999015306A1 (en) * | 1997-09-25 | 1999-04-01 | Hess Engineering, Inc. | Method and apparatus for assembly vehicle wheels |
| JP2987362B1 (en) * | 1998-09-16 | 1999-12-06 | 川崎重工業株式会社 | Self-aligning tool attached to robot |
| US6687967B1 (en) * | 2001-12-10 | 2004-02-10 | Hayes Lemmerz International, Inc. | Apparatus for use in producing a vehicle wheel |
| CN201366607Y (en) * | 2009-03-06 | 2009-12-23 | 山东贝特尔车轮有限公司 | Rim and spoke press-mounting and combining die device |
| CN201538062U (en) * | 2009-08-31 | 2010-08-04 | 上海宝钢车轮有限公司 | Steel wheel assembly press-fit mold for passenger car |
| CN202825153U (en) * | 2012-10-19 | 2013-03-27 | 济宁骏达机械制造有限公司 | Elastic wheel press mounting die |
| CN106001274A (en) * | 2016-06-29 | 2016-10-12 | 柳州市银兴车轮制造有限公司 | Wheel press-fit mold |
| CN207629967U (en) * | 2017-12-28 | 2018-07-20 | 厦门日上集团股份有限公司 | A kind of wheel upside-down mounting press-fit mold |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6846047B2 (en) * | 2001-09-28 | 2005-01-25 | Rolf Dietrich | Tensioned spoked wheel assembly and spoke rim and nipple therefor |
| WO2003037651A1 (en) * | 2001-10-30 | 2003-05-08 | Hayes Lemmerz International, Inc. | Fabricated vehicle wheel and method for producing same |
-
2017
- 2017-12-28 CN CN201711459174.4A patent/CN107962529B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999015306A1 (en) * | 1997-09-25 | 1999-04-01 | Hess Engineering, Inc. | Method and apparatus for assembly vehicle wheels |
| JP2987362B1 (en) * | 1998-09-16 | 1999-12-06 | 川崎重工業株式会社 | Self-aligning tool attached to robot |
| US6687967B1 (en) * | 2001-12-10 | 2004-02-10 | Hayes Lemmerz International, Inc. | Apparatus for use in producing a vehicle wheel |
| CN201366607Y (en) * | 2009-03-06 | 2009-12-23 | 山东贝特尔车轮有限公司 | Rim and spoke press-mounting and combining die device |
| CN201538062U (en) * | 2009-08-31 | 2010-08-04 | 上海宝钢车轮有限公司 | Steel wheel assembly press-fit mold for passenger car |
| CN202825153U (en) * | 2012-10-19 | 2013-03-27 | 济宁骏达机械制造有限公司 | Elastic wheel press mounting die |
| CN106001274A (en) * | 2016-06-29 | 2016-10-12 | 柳州市银兴车轮制造有限公司 | Wheel press-fit mold |
| CN207629967U (en) * | 2017-12-28 | 2018-07-20 | 厦门日上集团股份有限公司 | A kind of wheel upside-down mounting press-fit mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107962529A (en) | 2018-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201841400U (en) | Differential cone bearing press-fit device | |
| CN203267060U (en) | Infusing type gluing machine and mould assembly thereof | |
| CN203649426U (en) | Fixture for turning and polishing wheel hubs | |
| CN202219306U (en) | Bending jig for pin of electronic device | |
| CN107962529B (en) | Wheel flip-chip press-fit die | |
| CN113399918A (en) | High-precision welding tool device for high-end axial flow fan impeller | |
| CN202169503U (en) | Quick positioning turning milling frock | |
| CN109351860A (en) | Rolling mold is squeezed in clutch hub molding | |
| CN206276801U (en) | For the compound unloading mechanism of flange positioning of car panel die | |
| CN112387841A (en) | Hand punch | |
| CN207629967U (en) | A kind of wheel upside-down mounting press-fit mold | |
| CN205732596U (en) | Wheel press-fit mold | |
| CN106001274B (en) | Wheel press-fit mold | |
| CN214263599U (en) | Wheel press-fit mold | |
| CN214292776U (en) | Wheel press-fit positioning group erecting die | |
| CN218080057U (en) | Tank shell plate die mould | |
| CN203002948U (en) | Spin pressing and forming die set for wide flange cylindrical piece | |
| CN214211923U (en) | Novel wheel hub mould | |
| CN202087688U (en) | Spin forming die for steel ring spoke | |
| CN207103532U (en) | A kind of welding automotive hub spinforming apparatus | |
| CN202114619U (en) | Tooling for grinding isolation discs | |
| CN201687920U (en) | Assembly structure for belt wheel and bearing and clamp | |
| CN219837129U (en) | Iron shell motor end cover riveting die | |
| CN114762877A (en) | Wheel press-fit die | |
| CN104942750A (en) | Main oil pressure electromagnetic valve maintenance tool and using method thereof |
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 |