CN208643825U - A kind of band shoulder pipe type element thixotropic forming mold - Google Patents
A kind of band shoulder pipe type element thixotropic forming mold Download PDFInfo
- Publication number
- CN208643825U CN208643825U CN201821020783.XU CN201821020783U CN208643825U CN 208643825 U CN208643825 U CN 208643825U CN 201821020783 U CN201821020783 U CN 201821020783U CN 208643825 U CN208643825 U CN 208643825U
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- predeformation
- pin
- punch
- cavity plate
- whole
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- 230000009974 thixotropic effect Effects 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000005242 forging Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000007493 shaping process Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 2
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 15
- 238000001125 extrusion Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 229910000881 Cu alloy Inorganic materials 0.000 description 9
- 239000007788 liquid Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000007787 solid Substances 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
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000010099 solid forming Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of band shoulder pipe type element thixotropic forming mold, belongs to semi-solid-state shaping field.Mold described in the utility model includes predeformation punch-pin, cavity plate, predeformation cavity plate heating coil, predeformation sleeve, predeformation spring, whole distortion spring, whole crush bushings, eventually deformation cavity plate heating coil, eventually deformation punch-pin.Predeformation punch-pin, deformation punch-pin is connected with hydraulic press top eventually, and hydraulic press control predeformation punch-pin and whole deformation punch-pin vertically move；Metal tube shape is corresponding after the cavity shape that predeformation punch-pin, cavity plate and predeformation sleeve are formed when being closed is squeezed and deformed with the first passage；The cavity shape formed when deformation punch-pin, cavity plate and whole crush bushings closure eventually is corresponding with shoulder shaft forgings shape.Mold described in the utility model is progressive die, and local thixoextruding forming preparation is with shoulder pipe type element twice for use, and mould structure is simple, high production efficiency, at low cost, product quality is high, stock utilization is high, is easily achieved mechanization and automated production.
Description
Technical field
The utility model relates to a kind of band shoulder pipe type element thixotropic forming molds, belong to semi-solid-state shaping field.
Background technique
Band shoulder pipe type element has the effects that support rotating shaft, position, and is commonly used for the fields such as machinery, aerospace.Band
A kind of production method of shoulder pipe type element is first to prepare tubular blank using liquid formings methods such as centrifugal castings, then passes through machine
Tool is processed to obtain part；Another production method is to be managed using heavy wall plastic deforming metal, and directly machining obtains part.The
In a kind of production method, on the one hand since the blank of liquid forming is large dendritic crystal tissue, lead to the comprehensive mechanical property of shaft sleeve parts
Can not be high, influence part service life；On the other hand, blank causes stock utilization low by a large amount of machinings, production week
Phase is long.In second of production method, on the one hand require the material of such part that there must be good plastic forming ability, it is therefore, right
The poor metal material of plastic forming ability is not suitable for；On the other hand need to be machined, cause waste of material it is more, production week
Phase is long, production is at high cost.
Semi-solid metal forming technology has been rapidly developed since the 1970s proposes, it is in solid-liquid
The method that the semi-solid metal slurry of two-phase temperature range is formed.Compared with conventional liquid forming and Plastic Forming, metal
The material comprehensive utilization ratio of semi-solid forming technology is higher, and can and precision and performance quality requirements complicated with shaping form it is higher
Part, forming temperature is low, and shaping load is small, it can be achieved that near-net forming, therefore prepares band shoulder using semi-solid-state shaping method
Pipe type element is expected to solve the problems such as pipe type element mechanical property is low in the prior art, stock utilization is low, realize nearly end form, it is low at
Originally, high performance axle sleeve production.
Utility model content
The purpose of this utility model is low, mechanical property for stock utilization in existing band shoulder pipe type element preparation method
Difference, the problems such as production cycle is long, provide a kind of band shoulder pipe type element thixotropic forming mold, including predeformation punch-pin 1, cavity plate 2, pre-
Deform cavity plate heating coil 3, predeformation sleeve 5, predeformation spring 6, whole distortion spring 7, whole crush bushings 8, eventually deformation cavity plate
Heating coil 10, eventually deformation punch-pin 11, annular groove 12, cylindrical boss 13, circular groove 14；Cavity plate 2 is fixed on hydraulic press
On work top, cavity plate 2 is equipped with 21 ° of pattern draft of cylindrical body boss, for constraining the deformation of metal tube；Predeformation set
Cylinder 5 is respectively fitted on two cylindrical body boss with predeformation spring 6, whole distortion spring 7 and whole crush bushings 8, predeformation spring 6
Positioned at the lower section of predeformation sleeve 5, whole distortion spring 7 is located at the lower section of whole crush bushings 8, original metal pipe 4 and predeformation gold
Belong to pipe 9 to be respectively fitted on 2 two cylindrical body boss of cavity plate, original metal pipe 4 is located above predeformation sleeve 5, predeformation metal
Pipe 9 is located above whole crush bushings 8, and predeformation sleeve 5, whole crush bushings 8 and cavity plate 2 are clearance fit；Predeformation punch-pin
1, cavity plate 2 and the closure of predeformation sleeve 5 form predeformation type chamber, gold after the shape and the first passage of predeformation type chamber are squeezed and deformed
It is corresponding to belong to tube shape, is used for predeformation metal tube；Deformation punch-pin 11, cavity plate 2 and the whole closure of crush bushings 8 form whole deformation type eventually
The shape of chamber, whole deformation type chamber is corresponding with shoulder shaft forgings shape, for shaping final band shoulder shaft forgings；Predeformation
Cavity plate heating coil 3 and whole deformation cavity plate heating coil 10 are individually positioned in two type chamber tops of cavity plate 2, are used for local heating
Cavity plate；Predeformation punch-pin 1, deformation punch-pin 11 is connected with hydraulic press top eventually, and hydraulic press controls predeformation punch-pin 1 and eventually deformation
Punch-pin 11 vertically moves；The pressure head middle position of predeformation punch-pin 1 is equipped with a circular groove 14,1 pressure head of predeformation punch-pin
The internal diameter of the predeformation type chamber of the outer diameter and cavity plate 2 of part, the circle of predeformation punch-pin 1 after corresponding first passage of outer diameter is squeezed and deformed
14 internal diameter of connected in star corresponds to the outer diameter of cylindrical body boss in 2 predeformation type chamber of cavity plate；Deformation 11 lower end of punch-pin is equipped with a ring eventually
Connected in star 12 and cylindrical boss 13 deform the internal diameter of the corresponding whole deformation type chamber of pressure head outer diameter of punch-pin 11, cylindrical boss eventually
13 outer diameter corresponds to the outer diameter of cylindrical body boss in metal bore and the whole deformation type chamber of cavity plate 2, the width pair of annular groove 12
Answer the thickness of metal tube.
Predeformation punch-pin 1 described in the utility model, eventually deformation punch-pin 11 are fixed on hydraulic press apical position by T-type plate；
Cavity plate 2 is fixed on hydraulic press workbench face by T-type plate, is kept fixed in extrusion process.
Predeformation punch-pin 1, eventually deformation punch-pin 11, cavity plate 2, predeformation sleeve 5, whole crush bushings 8 described in the utility model
Mold materials select H13 mould steel.
The use process of mold described in the utility model: before extrusion molding, hydraulic press controls predeformation punch-pin 1, eventually deformation
Punch-pin 11 retreats to hydraulic press top；To predeformation punch-pin 1, deformation punch-pin 11, cavity plate 2, predeformation sleeve 5, whole deformation cover eventually
The surface spraying graphite release agent of cylinder 8；Successively predeformation spring 6 and predeformation sleeve 5, whole distortion spring 7 and whole deformation are covered
Two types that cylinder 8 is respectively put into cavity plate 2 are intracavitary；Local heating, preheating temperature 300- are carried out using heating coil to cavity plate 2
420 DEG C, meanwhile, local heating original metal pipe 4 is simultaneously kept the temperature, then original metal pipe 4 after heating is put into the predeformation of cavity plate 2
In type chamber, and hydraulic press is driven to make 1 vertical downward movement of predeformation punch-pin, is closed predeformation punch-pin 1 and cavity plate 2, and pressure maintaining
For a period of time, then control hydraulic press makes predeformation punch-pin 1 be retracted into hydraulic press top, at this point, predeformation spring 6 is replied simultaneously
Driving predeformation sleeve 5 makes predeformation metal tube 9 eject cavity plate 2；Then predeformation metal tube 9 the whole of cavity plate 2 is put into deform
In type chamber, and hydraulic press is driven to make to deform 11 vertical downward movement of punch-pin eventually, makes to deform punch-pin 11 eventually and cavity plate 2 is closed, and protect
Pressure a period of time, then controlling hydraulic press makes the whole punch-pin 11 that deforms be retracted into hydraulic press top, at this point, whole distortion spring 7 returns
Redoubling drives whole crush bushings 8 that band shoulder pipe type element is made to eject cavity plate 2；It takes out with quick water quenching after shoulder pipe type element, it is most laggard
Row T6 heat treatment；Entire extrusion process, Mould operation are simple, it is easy to accomplish mechanization, continuous production, and save energy
Source, the band shoulder pipe type element structure property finally obtained is uniform, and comprehensive mechanical property is preferable.
The utility model has the beneficial effects that
(1) mold described in the utility model uses progressive die, prepares part, extrusion speed by thixoextruding forming twice
Greatly, high production efficiency, part high mechanical properties；Metal tube only needs primary heating that extrusion molding twice can be completed, and energy consumption is small.
(2) mold described in the utility model forms two die for continuously extruding type chambers by punch-pin, cavity plate, sleeve, spring etc.,
Make metal tube in extrusion process used for forming, acted on by three-dimensional compressive stress, improves metal tube plastic deformation ability, while increasing by zero
The compactness of part improves comprehensive mechanical property.
(3) mold described in the utility model by the component parts such as sleeve, spring ejecting mechanism, on the one hand, squeeze become
When shape, sleeve and spring apply reverse extrusion power to metal tube；On the other hand, after extruding, after punch-pin unloading, spring-return
Part is ejected concave die cavity by drive sleeve, without redesigning demoulding mechanism, is demoulded easy and convenient.
(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 of thixoextruding die sinking described in the utility model.
Fig. 2 is the mold structure diagram of thixoextruding molding described in the utility model.
In Fig. 1: 1 predeformation punch-pin, 2 cavity plates, 3 predeformation cavity plate heating coils, 4 original metal pipes, 5 predeformation sleeves, 6
Predeformation spring, 7 whole distortion springs, 8 whole crush bushings, 9 predeformation metal tubes, 10 whole deformation cavity plate heating coils, 11 become eventually
Shape punch-pin；12- annular groove；13- cylindrical boss；14- circular groove.
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 band shoulder pipe type element thixotropic forming mold, including predeformation punch-pin 1, cavity plate 2, predeformation cavity plate heating coil
3, predeformation sleeve 5, predeformation spring 6, whole distortion spring 7, whole crush bushings 8, eventually deformation cavity plate heating coil 10, eventually deformation
Punch-pin 11, annular groove 12, cylindrical boss 13, circular groove 14；Cavity plate 2 is fixed on hydraulic press workbench face, on cavity plate 2
Equipped with 21 ° of pattern draft of cylindrical body boss, for constraining the deformation of metal tube；Predeformation sleeve 5 and predeformation spring 6,
Whole distortion spring 7 is respectively fitted on two cylindrical body boss with whole crush bushings 8, for extrusion molding after eject metal
Pipe；Predeformation spring 6 is located at the lower section of predeformation sleeve 5, and whole distortion spring 7 is located at the lower section of whole crush bushings 8, original metal
Pipe 4 and predeformation metal tube 9 are respectively fitted on 2 two cylindrical body boss of cavity plate, and original metal pipe 4 is located on predeformation sleeve 5
Face, predeformation metal tube 9 are located above whole crush bushings 8, and predeformation sleeve 5, whole crush bushings 8 are that gap is matched with cavity plate 2
It closes；Predeformation punch-pin 1, cavity plate 2 and the closure of predeformation sleeve 5 form predeformation type chamber, the shape of predeformation type chamber with first
Metal tube shape is corresponding after secondary extrusion deformation, is used for predeformation metal tube；Deformation punch-pin 11, cavity plate 2 and whole crush bushings 8 close eventually
It closes and forms whole deformation type chamber, the shape of whole deformation type chamber is corresponding with shoulder shaft forgings shape, for shaping final band platform
Shoulder shaft forgings；Predeformation cavity plate heating coil 3 and whole deformation cavity plate heating coil 10 are individually positioned on two type chambers of cavity plate 2
Portion needs to heat the heated perimeter and temperature at position for heating and controlling original metal pipe 4 and predeformation metal tube 9；It is pre- to become
Shape punch-pin 1, deformation punch-pin 11 is connected with hydraulic press top eventually, and hydraulic press controls predeformation punch-pin 1 and deformation punch-pin 11 hangs down eventually
Translation is dynamic；The pressure head middle position of predeformation punch-pin 1 is equipped with a circular groove 14, and the outer diameter of 1 pressure head of predeformation punch-pin is corresponding
The internal diameter of the predeformation type chamber of the outer diameter and cavity plate 2 of part, the circular groove 14 of predeformation punch-pin 1 after first passage is squeezed and deformed
Internal diameter corresponds to the outer diameter of cylindrical body boss in 2 predeformation type chamber of cavity plate；Deformation 11 lower end of punch-pin is equipped with an annular groove 12 eventually
With cylindrical boss 13, the internal diameter of the corresponding whole deformation type chamber of pressure head outer diameter of punch-pin 11, the outer diameter of cylindrical boss 13 are deformed eventually
The outer diameter of cylindrical body boss, the width of annular groove 12 correspond to metal tube in corresponding metal bore and the whole deformation type chamber of cavity plate 2
Thickness, as shown in Figure 1.
Predeformation punch-pin described in the present embodiment 1, eventually deformation punch-pin 11 are fixed on hydraulic press apical position by T-type plate；
Cavity plate 2 is fixed on hydraulic press workbench face by T-type plate, is kept fixed in extrusion process.
Predeformation punch-pin described in the present embodiment 1, eventually deformation punch-pin 11, cavity plate 2, predeformation sleeve 5, whole crush bushings 8
Mold materials select H13 mould steel.
The mold is further illustrated below with reference to specifically used method, by taking ZCuSn10P1 copper alloy as an example, specific steps
It is as follows:
(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 20mm, wall thickness 10mm, height 50mm are subjected to local heating,
Heated height is 10mm, and 886 DEG C of heating temperature simultaneously keeps the temperature 5 minutes；Concave die cavity is preheated to 420 DEG C simultaneously.
(3) the ZCuSn10P1 copper alloy tube after heating is put into the predeformation type chamber of preheating cavity plate, then drives predeformation
Punch-pin (1) squeezes metal tube, pressure maintaining 3s after extruding with 8mm/s movement velocity.
(4) ZCuSn10P1 copper alloy tube after predeformation is taken out to the whole deformation type chamber for being put into preheating cavity plate, then driving is whole
It deforms punch-pin (11) and metal tube, pressure maintaining 3s after extruding is squeezed with 8mm/s movement velocity.
(5) by the quick water quenching of ZCuSn10P1 copper alloy tube after deformation eventually, 550 DEG C is then heated to and keeps the temperature 1 hour, with
After be air-cooled to room temperature, obtain band shoulder ZCuSn10P1 copper alloy tube.
Band shoulder ZCuSn10P1 copper alloy tube any surface finish that the present embodiment is prepared, no marking and is split accurate size
The defects of line, good mechanical properties.It can be seen that from the pipe microstructure of ZCuSn10P1 copper alloy using the utility model institute
The microstructure of semisolid of the available even tissue of mold is stated, solid phase particles average-size is 80.6 μm, form factor 1.58,
Solid-phase grain is evenly distributed, and semisolid nodularization effect is preferable；After simple tension test, tensile strength 389MPa, elongation percentage is
10.6%, comprehensive mechanical property is excellent.
Claims (3)
1. a kind of band shoulder pipe type element thixotropic forming mold, it is characterised in that: including predeformation punch-pin (1), cavity plate (2), pre- change
Shape cavity plate heating coil (3), predeformation sleeve (5), predeformation spring (6), whole distortion spring (7), whole crush bushings (8), end
Deform cavity plate heating coil (10), eventually deformation punch-pin (11), annular groove (12), cylindrical boss (13), circular groove (14)；
Cavity plate (2) is fixed on hydraulic press workbench face, and cavity plate (2) is equipped with 21 ° of pattern draft of cylindrical body boss；Predeformation set
Cylinder (5) and predeformation spring (6), whole distortion spring (7) and whole crush bushings (8) are respectively fitted on two cylindrical body boss, in advance
Distortion spring (6) is located at the lower section of predeformation sleeve (5), and whole distortion spring (7) is located at the lower section of whole crush bushings (8), initially
Metal tube (4) and predeformation metal tube (9) are respectively fitted on (2) two cylindrical body boss of cavity plate, and original metal pipe (4) is located at pre-
Above, predeformation metal tube (9) is located at whole crush bushings (8) above to crush bushings (5), predeformation sleeve (5), whole crush bushings
It (8) is clearance fit with cavity plate (2)；Predeformation punch-pin (1), cavity plate (2) and predeformation sleeve (5) closure form predeformation type
Chamber, metal tube shape is corresponding after the shape of predeformation type chamber is squeezed and deformed with the first passage；Deformation punch-pin (11), cavity plate (2) eventually
It is closed with whole crush bushings (8) and forms whole deformation type chamber, the shape of whole deformation type chamber is corresponding with shoulder shaft forgings shape；It is pre- to become
Shape cavity plate heating coil (3) and eventually deformation cavity plate heating coil (10) are individually positioned in two type chamber tops of cavity plate (2)；It is pre- to become
Shape punch-pin (1), deformation punch-pin (11) is connected with hydraulic press top eventually, and hydraulic press controls predeformation punch-pin (1) and deforms eventually convex
Mould (11) vertically moves；The pressure head middle position of predeformation punch-pin (1) is equipped with a circular groove (14), predeformation punch-pin (1)
The internal diameter of the predeformation type chamber of the outer diameter and cavity plate (2) of part, predeformation after corresponding first passage of the outer diameter of pressure head is squeezed and deformed
Circular groove (14) internal diameter of punch-pin (1) corresponds to the outer diameter of cylindrical body boss in cavity plate (2) predeformation type chamber；Deformation punch-pin eventually
(11) lower end is equipped with an annular groove (12) and cylindrical boss (13), and the pressure head outer diameter for deforming punch-pin (11) eventually corresponds to be become eventually
The internal diameter of shape type chamber, it is convex that the outer diameter of cylindrical boss (13) corresponds to cylindrical body in metal bore and the whole deformation type chamber of cavity plate (2)
The width of the outer diameter of platform, annular groove (12) corresponds to the thickness of metal tube.
2. band shoulder pipe type element thixotropic forming mold according to claim 1, it is characterised in that: predeformation punch-pin (1) becomes eventually
Shape punch-pin (11) is fixed on hydraulic press apical position by T-type plate；Cavity plate (2) is fixed on hydraulic press workbench face by T-type plate
On.
3. band shoulder pipe type element thixotropic forming mold according to claim 1, it is characterised in that: predeformation punch-pin (1) becomes eventually
Shape punch-pin (11), cavity plate (2), predeformation sleeve (5), whole crush bushings (8) mold materials select H13 mould steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020783.XU CN208643825U (en) | 2018-06-29 | 2018-06-29 | A kind of band shoulder pipe type element thixotropic forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020783.XU CN208643825U (en) | 2018-06-29 | 2018-06-29 | A kind of band shoulder pipe type element thixotropic forming mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208643825U true CN208643825U (en) | 2019-03-26 |
Family
ID=65782183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821020783.XU Expired - Fee Related CN208643825U (en) | 2018-06-29 | 2018-06-29 | A kind of band shoulder pipe type element thixotropic forming mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208643825U (en) |
-
2018
- 2018-06-29 CN CN201821020783.XU patent/CN208643825U/en not_active Expired - Fee Related
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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: 20190326 Termination date: 20200629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |