CN208528052U - A kind of shaping dies of shaft sleeve parts part thixoextruding - Google Patents
A kind of shaping dies of shaft sleeve parts part thixoextruding Download PDFInfo
- Publication number
- CN208528052U CN208528052U CN201821020810.3U CN201821020810U CN208528052U CN 208528052 U CN208528052 U CN 208528052U CN 201821020810 U CN201821020810 U CN 201821020810U CN 208528052 U CN208528052 U CN 208528052U
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- Prior art keywords
- cavity plate
- punch
- pin
- sleeve
- shaft sleeve
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- 238000007493 shaping process Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 11
- 229910000881 Cu alloy Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000009750 centrifugal casting Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of shaping dies of shaft sleeve parts part thixoextruding, and the shaping dies includes punch-pin, cavity plate, cavity plate heating coil, sleeve, spring;Punch-pin is connected with hydraulic press top, and hydraulic press control punch-pin moves up and down;The pressure head diameter of punch-pin corresponds to the outer diameter and cavity plate upper inner diameter of shaft sleeve parts flange end;Cavity plate is fixed on hydraulic press workbench face, and inside is equipped with cavity plate heating coil, and cavity plate heating coil is corresponding with the position that metal tube needs to heat, and has the cylindrical body boss of 1 ° of a pattern draft inside cavity plate;Sleeve and cavity plate clearance fit;The type chamber formed after punch-pin, cavity plate, sleeve molding is corresponding with shaft sleeve parts shape.Mould structure described in the utility model is simple, belongs to near-net-shape using the shaft sleeve parts of die forming described in the utility model, less or without cutting, improves stock utilization.Mould operation is convenient, production efficiency is higher, is easily achieved mechanization and automated production.
Description
Technical field
The utility model relates to a kind of shaping dies of shaft sleeve parts part thixoextruding, belong to semi-solid-state shaping field.
Background technique
Metal axle sleeve part has the effects that support rotating shaft, positioning and be oriented to, and is commonly used for automobile, high-speed rail, aviation boat
The fields such as it.Conventional bushings part production method generally uses the liquid formings tubular blank material such as centrifugal casting, then passes through machine
Tool processing, by tubular blank truck at required shaft sleeve parts shape, the shaft sleeve parts shaped in this way, on the one hand due to
The blank of liquid forming is large dendritic crystal tissue, causes shaft sleeve parts comprehensive mechanical property not high, influences part service life;Separately
On the one hand, blank causes stock utilization low, the production cycle is long by a large amount of machinings.Another production method is exactly
Tubing is prepared using plastic forming technology, is then machined again as shaft sleeve parts, on the one hand this method requires axle sleeve zero
The metal material of part has good plastic forming ability, therefore, is not suitable for the metal material that plastic forming ability is poor;Another party
Face needs to be machined, and leads to that waste of material is more, the production cycle is long, production is at high cost.
Semi-solid metal forming technology is that the semi-solid metal slurry in solid-liquid two-phase temperature range is formed
Method.Compared with conventional cast and forging, the material comprehensive utilization ratio of semi-solid metal forming technology is higher, and can shape shape
Shape is complicated and precision and the higher part of performance quality requirements, and forming temperature is low, and shaping load is small, it can be achieved that near-net forming, because
This prepares shaft sleeve parts using semi-solid-state shaping method and is expected to solve that mechanical property is low in existing axle sleeve production, stock utilization is low
The problems such as, realize nearly end form, the production of low cost and high performance axle sleeve.
Summary of the invention
The purpose of this utility model is low, poor mechanical property, production for stock utilization in existing axle sleeve preparation method
The problems such as period is long provides a kind of shaping dies of shaft sleeve parts part thixoextruding, and it is high, raw to be used to prepare out stock utilization
Produce high-efficient, excellent in mechanical performance shaft sleeve parts.
The utility model is achieved through the following technical solutions:
A kind of shaping dies of shaft sleeve parts part thixoextruding, including punch-pin 1, cavity plate 2, cavity plate heating coil 3, sleeve
5, spring 6;Punch-pin 1 is connected with hydraulic press top, and hydraulic press control punch-pin 1 moves up and down;The pressure head diameter of punch-pin 1 corresponds to axle sleeve
2 upper inner diameter of outer diameter and cavity plate of part flange end;Cavity plate 2 is fixed on hydraulic press workbench face, and inside adds equipped with cavity plate
The position of heat coil 3, cavity plate heating coil 3 is corresponding with the position that metal tube 4 needs to heat, and has a draft oblique inside cavity plate 2
The cylindrical body boss of 1 ° of degree, metal tube 4, sleeve 5 and spring 6 cover on cylindrical body boss, and spring 6 is located at 5 lower section of sleeve, set
Cylinder 5 is located at 4 lower section of metal tube, sleeve 5 and 2 clearance fit of cavity plate;The type chamber and axis that punch-pin 1, cavity plate 2, sleeve 5 are formed after molding
It is corresponding to cover part shape.
Punch-pin 1 described in the utility model is fixed on hydraulic press apical position by T-type plate;Cavity plate 2 is fixed on by T-type plate
Hydraulic press workbench face position is kept fixed in extrusion process.
Punch-pin 1 described in the utility model, cavity plate 2,5 mold materials of sleeve select H13 mould steel.
The use process of mold described in the utility model: before shaft sleeve parts extrusion molding, hydraulic press control punch-pin 1 retreats to liquid
Press top;To punch-pin 1, cavity plate 2, sleeve 5 surface spraying graphite release agent;Spring 6, sleeve 5 are successively put into cavity plate
2;Be locally heated to 350 ~ 400 DEG C using heating coil to cavity plate 2, meanwhile, local heating metal tube 4 is simultaneously kept the temperature, then
Metal tube 4 after heating is put into cavity plate 2, and hydraulic press is driven to make 1 vertical downward movement of punch-pin, closes punch-pin 1 and cavity plate 2
It closes, and pressure maintaining is for a period of time, then controlling hydraulic press makes punch-pin 1 be retracted into hydraulic press top, meanwhile, spring 6 is replied and is driven
Moving sleeve 5 makes shaft sleeve parts eject cavity plate 2, takes out quick water quenching after shaft sleeve parts, finally carries out T6 heat treatment.Entirely it is squeezed into
Shape process, Mould operation are simple, it is easy to accomplish mechanization, continuous production, and energy saving, the shaft sleeve parts group finally obtained
It is uniform to knit performance, comprehensive mechanical property is preferable.
The utility model has the beneficial effects that
(1) mold described in the utility model uses partial plastic forming, only carries out local heating to metal tube and shapes, reduces and add
Hot cost and heating time shorten manufacturing cycle, improve production efficiency.
(2) shaft sleeve parts of mold preparation described in the utility model, compared with conventional centrifugal casting, one side axle sleeve tissue
It is the microstructure of semisolid of equally distributed nearly spherical solid phase particles and liquid phase Dispersed precipitate, better performances;On the other hand, it shaped
It is squeezed the effect of power in journey, dense structure, without Shrinkage cavity defect, high mechanical properties;In addition, the axle sleeve zero of the invention
Part belongs to near-net-shape, and less or without cutting, stock utilization is high.
(3) mold described in the utility model forms mold cavity by punch-pin, cavity plate, sleeve, spring etc., is squeezing metal tube
It during compressive strain, is acted on by three-dimensional compressive stress, improves metal tube plastic deformation ability, while increasing the densification of shaft sleeve parts
Property, improve axle sleeve comprehensive mechanical property.
(4) mold described in the utility model is made of the ejecting mechanism of shaft sleeve parts sleeve, spring etc., on the one hand, is squeezing
When compressive strain, sleeve and spring apply reverse extrusion power to metal;On the other hand, after extruding, after punch-pin unloading, spring is returned
Shaft sleeve parts are ejected concave die cavity by multiple drive sleeve, reach demoulding purpose.
(5) mould structure described in the utility model is reasonable, simple to operate, it can be achieved that mechanization and automation control,
Cost of labor is reduced, it can be achieved that continuous batch production, has saved cost, improves efficiency.
Detailed description of the invention
Fig. 1 is the mold structure diagram before thixoextruding forming described in the utility model.
Fig. 2 is the mold structure diagram of thixoextruding molding described in the utility model.
In Fig. 1: 1- punch-pin;2- cavity plate;3- cavity plate heating coil;4- metal tube;5- sleeve;6- spring.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but the guarantor of the utility model
Shield range is not limited to the content.
Embodiment 1
A kind of shaping dies of shaft sleeve parts part thixoextruding, including punch-pin 1, cavity plate 2, cavity plate heating coil 3, sleeve
5, spring 6;Punch-pin 1 is fixed on hydraulic press apical position by T-type plate, and hydraulic press control punch-pin 1 moves up and down;The pressure of punch-pin 1
Head diameter corresponds to 2 upper inner diameter of outer diameter and cavity plate of shaft sleeve parts flange end;Cavity plate 2 is fixed on hydraulic press work by T-type plate
Make table position, is kept fixed in extrusion process;Inside is equipped with cavity plate heating coil 3, the position of cavity plate heating coil 3 and metal
The position that pipe 4 needs to heat is corresponding, there is the cylindrical body boss of 1 ° of a pattern draft, metal tube 4, sleeve 5 and bullet inside cavity plate 2
Spring 6 covers on cylindrical body boss, and spring 6 is located at 5 lower section of sleeve, and sleeve 5 is located at 4 lower section of metal tube, between sleeve 5 and cavity plate 2
Gap cooperation;The type chamber that punch-pin 1, cavity plate 2, sleeve 5 are formed after molding is corresponding with shaft sleeve parts shape;The punch-pin 1, cavity plate 2,
5 mold materials of sleeve select H13 mould steel.
Device described in the utility model is further described below with reference to specifically used method, with ZCuSn10P1 copper
Alloy is process object:
(1) measuring ZCuSn10P1 copper alloy solidus temperature is 876.1 DEG C, and liquidus temperature is 1024.2 DEG C.
(2) the As-extruded ZCuSn10P1 copper alloy tube of internal diameter 26mm, wall thickness 7mm, height 52mm are subjected to local heating,
The height of heating is 12mm, and 886 DEG C of heating temperature simultaneously keeps the temperature 5 minutes;Concave die cavity is preheated to 450 DEG C simultaneously.
(3) by the ZCuSn10P1 copper alloy tube after heating be put into preheating after concave die cavity, then drive punch-pin with
10mm/s movement velocity squeezes metal tube, pressure maintaining 4s after extruding.
(4) the quick water quenching of rear axle housing part will be squeezed, be then heated to 550 DEG C and keeps the temperature 1 hour, is then air-cooled to room
Temperature obtains shaft sleeve parts.
The copper alloy shaft sleeve piece surface that the present embodiment is prepared is bright and clean, accurate size, no marking and the defects of crackle,
Good mechanical properties.By micro-organization chart as can be seen that using the available even tissue of the preparation method semisolid group
It knits, average crystal grain diameter is 84.2 μm, and form factor 1.37, solid-phase grain is evenly distributed, and semisolid nodularization effect is preferable.
Claims (3)
1. a kind of shaping dies of shaft sleeve parts part thixoextruding, which is characterized in that the shaping dies include punch-pin (1),
Cavity plate (2), cavity plate heating coil (3), sleeve (5), spring (6);Punch-pin (1) is connected with hydraulic press top, and hydraulic press control is convex
Mould (1) moves up and down;The pressure head diameter of punch-pin (1) corresponds to the outer diameter and cavity plate (2) upper inner diameter of shaft sleeve parts flange end;It is recessed
Mould (2) is fixed on hydraulic press workbench face, and inside is equipped with cavity plate heating coil (3), the position of cavity plate heating coil (3) and gold
It is corresponding to belong to the position that pipe (4) needs heat, the internal cylindrical body boss for having 1 ° of a pattern draft of cavity plate (2), metal tube (4),
Sleeve (5) and spring (6) cover on cylindrical body boss, and spring (6) is located at below sleeve (5), and sleeve (5) is located at metal tube
(4) lower section;Sleeve (5) and cavity plate (2) clearance fit;The type chamber and axis formed after punch-pin (1), cavity plate (2), sleeve (5) molding
It is corresponding to cover part shape.
2. the shaping dies of shaft sleeve parts part thixoextruding according to claim 1, it is characterised in that: punch-pin (1) passes through T
Template is fixed on hydraulic press apical position;Cavity plate (2) is fixed on hydraulic press workbench face position by T-type plate, in extrusion process
It is kept fixed.
3. the shaping dies of shaft sleeve parts part thixoextruding according to claim 1, it is characterised in that: punch-pin (1), cavity plate
(2), sleeve (5) mold materials select H13 mould steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821020810.3U CN208528052U (en) | 2018-06-29 | 2018-06-29 | A kind of shaping dies of shaft sleeve parts part thixoextruding |
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CN201821020810.3U CN208528052U (en) | 2018-06-29 | 2018-06-29 | A kind of shaping dies of shaft sleeve parts part thixoextruding |
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Publication Number | Publication Date |
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CN208528052U true CN208528052U (en) | 2019-02-22 |
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CN201821020810.3U Expired - Fee Related CN208528052U (en) | 2018-06-29 | 2018-06-29 | A kind of shaping dies of shaft sleeve parts part thixoextruding |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112191701A (en) * | 2020-12-08 | 2021-01-08 | 奇精机械股份有限公司 | Metal pipe cold extrusion forming die and machining method thereof |
CN114054655A (en) * | 2021-10-28 | 2022-02-18 | 昆明理工大学 | Thixotropic extrusion method for copper-steel composite shaft sleeve part |
CN114192786A (en) * | 2021-12-21 | 2022-03-18 | 广东盈峰材料技术股份有限公司 | Production method of shaft sleeve with boss |
-
2018
- 2018-06-29 CN CN201821020810.3U patent/CN208528052U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112191701A (en) * | 2020-12-08 | 2021-01-08 | 奇精机械股份有限公司 | Metal pipe cold extrusion forming die and machining method thereof |
CN112191701B (en) * | 2020-12-08 | 2021-02-09 | 奇精机械股份有限公司 | Metal pipe cold extrusion forming die and machining method thereof |
CN114054655A (en) * | 2021-10-28 | 2022-02-18 | 昆明理工大学 | Thixotropic extrusion method for copper-steel composite shaft sleeve part |
CN114192786A (en) * | 2021-12-21 | 2022-03-18 | 广东盈峰材料技术股份有限公司 | Production method of shaft sleeve with boss |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20200629 |
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CF01 | Termination of patent right due to non-payment of annual fee |