CN210253625U - Closed forming die for heavy truck cold extrusion cross axle - Google Patents
Closed forming die for heavy truck cold extrusion cross axle Download PDFInfo
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- CN210253625U CN210253625U CN201921081784.XU CN201921081784U CN210253625U CN 210253625 U CN210253625 U CN 210253625U CN 201921081784 U CN201921081784 U CN 201921081784U CN 210253625 U CN210253625 U CN 210253625U
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- 238000000641 cold extrusion Methods 0.000 title claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 32
- 238000013016 damping Methods 0.000 claims description 23
- 230000035939 shock Effects 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 230000010354 integration Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 6
- 238000005242 forging Methods 0.000 description 13
- 238000005266 casting Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010273 cold forging Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
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Abstract
The utility model relates to a closed forming die of heavy truck cold extrusion cross axle, affiliated cross axle moulded die technical field, including the extrusion punch press base, be equipped with the die carrier on the extrusion punch press base, it is equipped with a plurality of guide posts to go up between die carrier and extrusion punch press base, it all is equipped with shock-absorbing support frame to go up the die carrier side, upward be equipped with a plurality of push down hydro-cylinders on the die carrier, push down the hydro-cylinder lower extreme and be equipped with the last swager who cup joints mutually with the guide post movably, be equipped with the last top hydro-cylinder that extends the extrusion punch press base in the extrusion punch press base, upward be equipped with between top hydro-cylinder and last swager and press the membrane that cup joints mutually movably with the guide post, press. The method has the advantages of simple processing technology, low labor intensity, good safety and reliability, high processing precision, good structural strength, high product qualification rate and long service life. The extrusion stability and the molding qualification rate of the product are improved. The vibration of the equipment is reduced, and the noise of the running of the equipment is reduced.
Description
Technical Field
The utility model relates to a cross axle moulded die technical field, concretely relates to cold crowded cross axle of heavy truck closes forming die.
Background
The cross shaft is also called cross joint, i.e. universal joint, is a machine part for realizing variable-angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The cross shaft type rigid universal joint is a non-constant velocity universal joint widely used on automobiles, and the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees. The cross shaft is one of key parts of a cross shaft type rigid universal joint.
Hot casting is the most common casting process for machining parts at present, and the casting is a metal molding object obtained by various casting methods, namely, a melted liquid metal is poured into a pre-prepared casting mold by pouring, injecting, sucking or other casting methods, and after cooling, the object with certain shape, size and performance is obtained by subsequent processing means such as grinding and the like. Although the method has simple process, the casting structure is thick and has a plurality of defects; such as low strength and more pores in the material. In sand casting, the production is carried out in single piece and small batch, and the labor intensity of workers is high. The quality of the casting is unstable, the processes are multiple, the influence factors are complex, and a plurality of defects are easy to generate.
A forging is a workpiece or a blank obtained by forging and deforming a metal blank. The mechanical properties of the metal blank can be changed by applying pressure to the metal blank to generate plastic deformation. The forging is divided into cold forging and warm forging and hot forging according to the temperature of the blank during processing. Cold forging is generally conducted at room temperature, and hot forging is conducted at a temperature higher than the recrystallization temperature of the metal ingot. In the existing cold extrusion technology, a forging material is very easy to displace under the high-pressure state in the forging process, and the displaced material is difficult to reshape through forging, so that the internal structure of a product is changed, and the process standard cannot be met. In addition, in the forging production, the external injury accident is easy to happen.
Disclosure of Invention
The utility model discloses there is the processing technology complicacy among the main prior art of solving, intensity of labour is big, fail safe nature is poor, the machining precision is low, structural strength is poor, the product percent of pass is low and life is short not enough, provides a cold crowded cross axle of heavy truck closes up forming die, and it has that processing technology is simple, intensity of labour is little, the fail safe nature is good, the machining precision is high, structural strength is good, the product percent of pass is high and long service life's advantage. The problem that the forging material is easy to displace in a high-pressure state is solved. The extrusion stability and the molding qualification rate of the product are improved. The vibration of the equipment is reduced, and the noise of the running of the equipment is reduced.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a closed forming die of heavy truck cold extrusion cross axle, includes extrusion punch press base, extrusion punch press base on be equipped with the die carrier, last die carrier and extrusion punch press base between be equipped with a plurality of guide posts, last die carrier side all be equipped with the last die carrier looks round pin axle type otic placode and be connected the shock attenuation support frame of fixing, last die carrier on be equipped with a plurality of and last die carrier looks flange formula through connection fixed push down hydro-cylinder, push down hydro-cylinder lower extreme be equipped with the guide post movable last swage that cup joints mutually, extrusion punch press base in be equipped with the top of a matter hydro-cylinder that extends extrusion punch press base, top hydro-cylinder and last swage between be equipped with the movable swage that cup joints mutually with the guide post, swage and the movable swage that contacts of last swage mutually. Shock attenuation support frame include vibration damping mount, vibration damping mount in be equipped with the slide bar, the slide bar on be equipped with the movable nested slider of slide bar mutually, slider and last moulding bed between be equipped with the support column, slider both ends and vibration damping mount between all be equipped with horizontal buffer spring, slide bar lower extreme and vibration damping mount between be equipped with a plurality of damper.
Preferably, the damping assembly comprises a spring sleeve, and a damping spring which is embedded, connected and fixed with the sliding rod is arranged in the spring sleeve.
Preferably, the lower end of the damping base is provided with a damping pad integrated with the damping base.
As preferred, last mold carrier include the press mold body, this internal pressure disk cross extrusion chamber groove of being equipped with of last press mold, last pressure disk cross extrusion chamber groove and last press mold body between be equipped with and be the last pressure disk of integration with last press mold body, last pressure disk periphery be equipped with a plurality of equidistant annular distributions that are and be the fore-set fixed block of integration with last press mold body, the fore-set fixed block in all be equipped with the fore-set that extends to in the pressure disk cross extrusion chamber inslot and laminate each other, fore-set and last pressure disk cross extrusion chamber groove between be equipped with and cup joint fixed spacing ring with the fore-set looks spacing.
Preferably, the lower pressure membrane body include the lower pressure membrane body, this internal lower pressure dish cross axle extrusion chamber groove that is equipped with the coaxial compound die laminating of last pressure disk cross axle extrusion chamber groove, lower pressure dish cross axle extrusion chamber groove and lower pressure membrane body between be equipped with and press the membrane body down and be the integration and with the lower pressure dish of last pressure disk movable crimping mutually, the lower pressure dish periphery be equipped with a plurality of apical post fixed block card caulking grooves nested mutually with the apical post fixed block.
Preferably, an extrusion punch buffering spring sleeved with the guide post is arranged between the upper die frame and the upper die and between the lower die pressing plate and the extrusion punch base.
The utility model discloses can reach following effect:
the utility model provides a closed forming die of cold crowded cross axle of heavy truck compares with prior art, has that processing technology is simple, intensity of labour is little, the fail safe nature is good, the machining precision is high, structural strength is good, the product percent of pass is high and long service life's advantage. The problem that the forging material is easy to displace in a high-pressure state is solved. The extrusion stability and the molding qualification rate of the product are improved. The vibration of the equipment is reduced, and the noise of the running of the equipment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the upper pressure film mold of the present invention.
Fig. 3 is a schematic structural view of the pressing mold of the present invention.
Fig. 4 is a schematic structural view of the shock-absorbing support frame of the present invention.
Fig. 5 is a structural sectional view of the shock-absorbing support frame of the present invention.
In the figure: the device comprises a guide post 1, an upper die frame 2, a lower pressing oil cylinder 3, an upper jacking oil cylinder 4, an upper pressing die 5, an extrusion punch buffering spring 6, a lower pressing die 7, an extrusion punch base 8, a shock absorption supporting frame 9, an upper pressing die body 10, a jacking post fixing block 11, a jacking post 12, a fixed limiting ring 13, an upper pressing plate cross shaft extrusion cavity groove 14, an upper pressing plate 15, a lower pressing die body 16, a jacking post fixing block clamping and embedding groove 17, a lower pressing plate 18, a lower pressing plate cross shaft extrusion cavity groove 19, a shock absorption base 20, a transverse buffering spring 21, a sliding block 22, a supporting post 23, a shock absorption assembly 24, a sliding rod 25, a shock absorption spring 26, a spring sleeve 27 and a shock absorption pad 28.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1-5, a heavy truck cold extrusion cross shaft blocking forming die comprises an extrusion punch base 8, an upper die carrier 2 is arranged on the extrusion punch base 8, a plurality of guide posts 1 are arranged between the upper die carrier 2 and the extrusion punch base 8, a shock absorption support frame 9 connected and fixed with pin-shaft type lug plates of the upper die carrier 2 is arranged on the side edge of the upper die carrier 2, 4 lower pressing oil cylinders 3 fixedly connected and connected with flanges of the upper die carrier 2 are arranged on the upper die carrier 2, an upper pressing die 5 movably sleeved with the guide posts 1 is arranged at the lower end of each lower pressing oil cylinder 3, and extrusion buffer springs 6 sleeved with the guide posts 1 are arranged between the upper die carrier 2 and the upper pressing die 5 and between each lower pressing die 7 and the extrusion punch base 8. An upper ejection oil cylinder 4 extending out of the extrusion punch base 8 is arranged in the extrusion punch base 8, a lower pressing film 7 movably sleeved with the guide column 1 is arranged between the upper ejection oil cylinder 4 and the upper pressing die 5, and the lower pressing film 7 is movably in pressing contact with the upper pressing die 5.
Go up die carrier 2 and include last press mold body 10, it extrudes chamber groove 14 to be equipped with last pressure disk cross in the press mold body 10 to go up, it extrudes chamber groove 14 and last press mold body 10 and is equipped with the last pressure disk 15 that is the integration with last press mold body 10 within a definite time to go up pressure disk 15 periphery and is equipped with 4 and be equidistant annular distribution and be the fore-set fixed block 11 of integration with last press mold body 10, all be equipped with in the fore-set fixed block 11 and extend to in the last pressure disk cross extrusion chamber groove 14 and the fore-set 12 of laminating each other, be equipped with between fore-set 12 and last pressure disk cross extrusion chamber groove 14 and cup joint fixed spacing ring 13 with fore-set 12 looks spacing.
The lower pressure membrane 7 comprises a lower pressure membrane body 16, a lower pressure plate cross shaft extrusion cavity groove 19 which is matched with the upper pressure plate cross shaft extrusion cavity groove 14 in a shaft closing mode is arranged in the lower pressure membrane body 16, a lower pressure plate 18 which is integrated with the lower pressure membrane body 16 and movably connected with the upper pressure plate 15 in a pressing mode is arranged between the lower pressure plate cross shaft extrusion cavity groove 19 and the lower pressure membrane body 16, and a plurality of top column fixing block clamping grooves 17 which are embedded with the top column fixing blocks 11 are arranged on the periphery of the lower pressure plate 18.
Shock attenuation support frame 9 includes vibration damping mount 20, and vibration damping mount 20 lower extreme is equipped with and is the shock pad 28 that is integrated with vibration damping mount 20. A sliding rod 25 is arranged in the shock absorption base 20, a sliding block 22 movably nested with the sliding rod 25 is arranged on the sliding rod 25, a supporting column 23 is arranged between the sliding block 22 and the upper die frame 2, transverse buffer springs 21 are arranged between two ends of the sliding block 22 and the shock absorption base 20, and 2 shock absorption assemblies 24 are arranged between the lower end of the sliding rod 25 and the shock absorption base 20. The damping assembly 24 comprises a spring sleeve 27, and a damping spring 26 which is embedded and connected with and fixed on the sliding rod 25 is arranged in the spring sleeve 27.
In conclusion, the heavy truck cold extrusion cross shaft blocking forming die has the advantages of simple processing technology, low labor intensity, good safety and reliability, high processing precision, good structural strength, high product qualification rate and long service life. The problem that the forging material is easy to displace in a high-pressure state is solved. The extrusion stability and the molding qualification rate of the product are improved. The vibration of the equipment is reduced, and the noise of the running of the equipment is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (6)
1. The utility model provides a closed forming die of heavy truck cold extrusion cross axle which characterized in that: comprises an extrusion punch press base (8), wherein an upper die carrier (2) is arranged on the extrusion punch press base (8), a plurality of guide posts (1) are arranged between the upper die carrier (2) and the extrusion punch press base (8), the side edge of the upper die carrier (2) is provided with a shock absorption support frame (9) which is fixedly connected with pin shaft type lug plates of the upper die carrier (2), the upper die carrier (2) is provided with a plurality of lower pressing oil cylinders (3) which are fixedly connected with the upper die carrier (2) in a flange type penetrating way, the lower ends of the lower pressing oil cylinders (3) are provided with upper pressing dies (5) which are movably sleeved with the guide posts (1), the extrusion punch press base (8) is internally provided with an upper jacking oil cylinder (4) which extends out the extrusion punch press base (8), a lower pressing die (7) which is movably sleeved with the guide posts (1) is arranged between the upper jacking oil cylinder (4) and the upper pressing dies (5), the lower pressing film die (7) is movably contacted with the upper pressing die (5) in a pressing mode; shock attenuation support frame (9) include vibration damping mount (20), vibration damping mount (20) in be equipped with slide bar (25), slide bar (25) on be equipped with slide bar (25) movable nested slider (22) mutually, slider (22) and last die carrier (2) between be equipped with support column (23), slider (22) both ends and vibration damping mount (20) between all be equipped with horizontal buffer spring (21), slide bar (25) lower extreme and vibration damping mount (20) between be equipped with a plurality of damper (24).
2. The heavy truck cold extrusion cross shaft blocking forming die as claimed in claim 1, wherein: the damping assembly (24) comprises a spring sleeve (27), and a damping spring (26) which is fixedly connected with the sliding rod (25) in an embedded manner is arranged in the spring sleeve (27).
3. The heavy truck cold extrusion cross shaft blocking forming die as claimed in claim 1, wherein: the lower end of the damping base (20) is provided with a damping pad (28) integrated with the damping base (20).
4. The heavy truck cold extrusion cross shaft blocking forming die as claimed in claim 1, wherein: last die carrier (2) including last press mold body (10), last press mold body (10) in be equipped with press disk cross extrusion chamber groove (14), last press disk cross extrusion chamber groove (14) and last press mold body (10) in be equipped with and be last press mold body (10) last pressure disk (15) of integration between, last pressure disk (15) periphery be equipped with a plurality of equidistant annular distribution and be the fore-set fixed block (11) of integration with last press mold body (10), fore-set fixed block (11) in all be equipped with extend to last press disk cross extrusion chamber groove (14) in and the fore-set (12) of laminating each other, fore-set (12) and last press disk cross extrusion chamber groove (14) between be equipped with and the fore-set (12) phase limit cup joint fixed spacing ring (13).
5. The heavy truck cold extrusion cross shaft blocking forming die as claimed in claim 4, wherein: lower pressure membrane mould (7) including pushing down membrane body (16), lower pressure membrane body (16) in be equipped with last pressure disk cross extrusion chamber groove (14) the same axle compound die laminating lower pressure disk cross extrusion chamber groove (19), lower pressure disk cross extrusion chamber groove (19) and lower pressure membrane body (16) within a definite time be equipped with lower pressure membrane body (16) be the integration and with last pressure disk (15) movable crimping lower pressure disk (18) mutually, lower pressure disk (18) periphery be equipped with a plurality of fore-set fixed block card caulking grooves (17) nested mutually with fore-set fixed block (11).
6. The heavy truck cold extrusion cross shaft blocking forming die as claimed in claim 1, wherein: and extrusion punch buffering springs (6) which are sleeved with the guide columns (1) are arranged between the upper die frame (2) and the upper pressing die (5) and between the lower pressing die (7) and the extrusion punch base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081784.XU CN210253625U (en) | 2019-07-11 | 2019-07-11 | Closed forming die for heavy truck cold extrusion cross axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081784.XU CN210253625U (en) | 2019-07-11 | 2019-07-11 | Closed forming die for heavy truck cold extrusion cross axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210253625U true CN210253625U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081784.XU Active CN210253625U (en) | 2019-07-11 | 2019-07-11 | Closed forming die for heavy truck cold extrusion cross axle |
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| Country | Link |
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| CN (1) | CN210253625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059015A (en) * | 2021-03-29 | 2021-07-02 | 浙江钱富万向节有限公司 | Environment-friendly intelligent processing technology for lubricating and coating cold extruded blank |
-
2019
- 2019-07-11 CN CN201921081784.XU patent/CN210253625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059015A (en) * | 2021-03-29 | 2021-07-02 | 浙江钱富万向节有限公司 | Environment-friendly intelligent processing technology for lubricating and coating cold extruded blank |
| CN113059015B (en) * | 2021-03-29 | 2022-11-01 | 浙江钱富万向节有限公司 | Environment-friendly intelligent processing technology for lubricating and coating cold extruded blank |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311243 Sanying Industrial Zone, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Qianfu Transmission Co.,Ltd. Country or region after: China Address before: 311243 Sanying Industrial Zone, Guali Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Qianfu universal joint Co.,Ltd. Country or region before: China |