CN205732338U - A kind of forward extrusion continuously and crowded torsion composite forming device - Google Patents
A kind of forward extrusion continuously and crowded torsion composite forming device Download PDFInfo
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- CN205732338U CN205732338U CN201620719743.9U CN201620719743U CN205732338U CN 205732338 U CN205732338 U CN 205732338U CN 201620719743 U CN201620719743 U CN 201620719743U CN 205732338 U CN205732338 U CN 205732338U
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- forward extrusion
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- torsion
- squeezing
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Abstract
A kind of forward extrusion continuously and crowded torsion composite forming device, belong to Machining Technology field.This utility model is in order to solve the existing problem that large plastometric set method operation is numerous, technological requirement is higher.Of the present utility model having technical point that is made up of three grades of squeezing passages, and every grade of squeezing passage is made up of forward extrusion passage and crowded passage of turning round；The reduction of stock cross-sectional area is realized by forward extrusion passage；Stock is after three grades of squeezing passages, and cross-sectional area is gradually reduced, and crystal grain gradually refines, and prepares grained material.This utility model is used for rectangle bar composite molding.
Description
Technical field
This utility model relates to a kind of large plastometric set composite forming device and method, is specifically related to a kind of forward extrusion continuously
With crowded torsion composite forming device, belong to material plasticity field shaping technique.
Background technology
Magnesium alloy, because of its light weight and rich reserves, is also existing huge diving as aspects such as structural material and functional materials
Power, magnesium alloy possesses degradability and good biocompatibility so that it is the application in medical embedded material has the most excellent
Gesture, the density of magnesium alloy itself and elastic modelling quantity are near with people's bone photo, avoid second operation to take out after natural degradation, are expected to replace passing
System bone grafting material.For obtaining the Biological magnesium alloy blade plate material with excellent properties, there was added in pure magnesium and benefit human body
Tri-kinds of alloy elements of Zn, Ca and Mn, be prepared for Mg-2Zn-1.0Mn-0.5Ca alloy, in order to improve prepared biological magnesium
The intensity of alloy and toughness, need crystal grain thinning, to improve microstructure and mechanical property.
Severe Plastic Deformation Methods occurs as a kind of effective means preparing super fine crystal material.Traditional large plastometric set
Technology has Equal-channel Angular Pressing, high pressure torsion, multiway forging, reciprocating extrusion, accumulation ply rolling etc..But the limitation of these techniques
Need to circulate technical process several times it is also obvious that such as process final material, and cyclic process causes the course of processing not connect
Continuous, production efficiency is low.Therefore, design a kind of device and method efficiently preparing super fine crystal material and there is very important meaning
Justice.
Utility model content
Given below about brief overview of the present utility model, in order to provide about some side of the present utility model
The basic comprehension in face.Should be appreciated that this general introduction is not to summarize about exhaustive of the present utility model.It is not intended to really
Fixed key of the present utility model or pith, be not intended limitation scope of the present utility model.Its purpose is only with letter
The form changed provides some concept, in this, as the preamble in greater detail discussed after a while.
In consideration of it, in order to overcome the above-mentioned existing problem that large plastometric set method operation is numerous, technological requirement is higher, root
According to an aspect of the present utility model, it is provided that a kind of forward extrusion continuously and crowded torsion composite forming device, it collects three forward extrusions
With crowded torsion mode in one, it is possible to process the magnesium alloy rod of good mechanical properties.
A kind of forward extrusion continuously that the utility model proposes and crowded torsion composite forming device, including drift, continuous forward extrusion
With crowded torsion composite molding die and die sleeve；Described continuous forward extrusion and crowded composite molding die of turning round are located in die sleeve, the most crowded
Pressure and squeezing is turned round the die cavity of composite molding die and is from top to bottom followed successively by vertical channel, three grades of squeezing passages and tapping channel, every grade
Squeezing passage is squeezed torsion passage by a forward extrusion passage and one respectively and constitutes, and stock is placed in vertical channel, the lower end of drift
Being placed in vertical channel, stock and continuously forward extrusion and the shape of cross section squeezing the die cavity turning round composite molding die are all square
Shape, three grades of squeezing passage cross sections from top to bottom taper into；Described stock is magnesium alloy stock, aluminium alloy stock or titanium alloy
Stock.Stock is after every grade of squeezing passage, and first at forward extrusion passage, cross-sectional area reduces, it is achieved crystal grain the thinnest
Change, be then passed through squeezing and turn round passage, knit brilliant the most broken, it is achieved the refinement again of crystal grain.
Further: define three grades of squeezing passages and be from top to bottom followed successively by first order squeezing passage, second level squeezing passage
With third level squeezing passage；First order squeezing passage is squeezed torsion passage by the first forward extrusion passage and first and constitutes；The second level extrudes
Passage is squeezed torsion passage by the second forward extrusion passage and second and constitutes；Third level squeezing passage is squeezed by the 3rd forward extrusion passage and the 3rd
Torsion passage is constituted；The first crowded torsion crowded line of torsion radius of passage, the second crowded torsion crowded line of torsion radius of passage, the 3rd crowded torsion passage
Crowded line of torsion radius be 30mm；First squeezes torsion passage, the second crowded torsion passage and the 3rd crowded length turned round on passage vertical direction
Degree is 15mm；The extrusion ratio of the first forward extrusion passage, the second forward extrusion passage and the 3rd forward extrusion passage is respectively 1.33,
1.5 and 2, total extrusion ratio is 4；On first forward extrusion passage, the second forward extrusion passage and the 3rd forward extrusion passage vertical direction
Length be 5mm.Stock, through every one-level squeezing passage, first completes forward extrusion, makes the cross section of stock reduce, then completes
Turn round and squeeze, make dendrite fragmentation.Stock is through three grades of squeezing passages, and cross-sectional area is gradually reduced, and crystal grain gradually refines.
Further: described continuous forward extrusion and crowded composite molding die of turning round are to be put together by two half modules.So that
The processing of mould, and facilitate the taking-up of clout.
Further: on described die sleeve, be provided with multiple heating rod installing hole and a survey hole of thermocouple, each heating
It is both provided with heating rod wire guide above rod installing hole.So that mold temperature is carried out real-time measurement, and pass through temperature control
Case, makes the temperature of mould maintain the value specified.The design of heating rod wire guide, it is simple to the fair line of heating rod, it is to avoid at pressure
When machine is descending, electric wire contacts with forcing press.
Further: described die sleeve backing plate is provided below.
Further: described die sleeve carries out spacing with continuous forward extrusion and crowded composite molding die of turning round by banking pin.
The effect that this utility model is reached is:
One, forward extrusion and squeezing is turned round two kinds of plastic deformation technology sets to same device by this utility model, compared to biography
The single processing unit (plant) that is respectively adopted of system carries out the processing of independent mode, and its efficiency can improve more than 50%.
Two, this utility model is made up of the crowded passage of three grades of continuous print forward extrusions and torsion, has once extruded multiple work step, has subtracted
Lack the discontinuity of cyclic process.
Three, the equipment needed for this utility model is simple, and production process is few, low cost, it is easy to push away in production practices
Extensively.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is continuous forward extrusion and squeezes two the half module split figures turning round composite molding die；
Fig. 4 is continuous forward extrusion and squeezes the die cavity axonometric chart turning round combined shaping die.
Detailed description of the invention
Hereinafter in connection with accompanying drawing, one exemplary embodiment of the present utility model is described.Rise for clarity and conciseness
See, the most do not describe all features of actual embodiment.It should be understood, however, that developing any this reality
Must make during embodiment much specific to the decision of embodiment, in order to realize the objectives of developer, example
As, meet those restrictive conditions relevant to system and business, and these restrictive conditions may along with embodiment not
Change together.Additionally, it also should be appreciated that, although development is likely to be extremely complex and time-consuming, but to having benefited from
For those skilled in the art of this utility model disclosure, this development is only routine task.
Here, also need to explanation a bit, in order to avoid having obscured this utility model because of unnecessary details, attached
Figure illustrate only and according to the closely-related apparatus structure of scheme of the present utility model and/or process step, and eliminate
Other details little with this utility model relation.
Embodiment the most of the present utility model provides a kind of forward extrusion continuously and squeezes torsion composite forming device, bag
Include drift 1, continuous forward extrusion and squeeze torsion composite molding die 7 and die sleeve 9；Described continuous forward extrusion and crowded torsion composite molding die
7 are located in die sleeve 9, and carry out spacing by banking pin 2, and continuous forward extrusion and the crowded die cavity of composite molding die 7 of turning round are by up to
Under be followed successively by vertical channel 7-7, three grades of squeezing passages and tapping channel 7-8, every grade of squeezing passage is led to by a forward extrusion respectively
Road and a crowded passage of turning round are constituted, and stock 3 is placed in vertical channel 7-7, and the lower end of drift 1 is placed in vertical channel 7-7, stock
3 and continuously forward extrusion and to squeeze the shape of cross section of the die cavity turning round composite molding die 7 be all square, three grades of squeezing passages are by upper
Taper into down cross-sectional.Defining three grades of squeezing passages, to be from top to bottom followed successively by first order squeezing passage, second level extruding logical
Road and third level squeezing passage；First order squeezing passage is squeezed torsion passage 7-2 and constitutes by the first forward extrusion passage 7-1 and first；The
Two grades of squeezing passages are squeezed torsion passage 7-4 and constitute by the second forward extrusion passage 7-3 and second；Third level squeezing passage is the most crowded by the 3rd
Pressure passageway 7-5 and the 3rd squeezes and turns round passage 7-6 composition；First squeezes the crowded line of torsion radius R turning round passage 7-21, second squeeze turn round passage 7-
The crowded line of torsion radius R of 42, the 3rd squeeze turn round passage 7-6 crowded line of torsion radius R3It is 30mm；First squeeze turn round passage 7-2, second
Squeeze the length turned round on passage 7-4 and the 3rd crowded torsion passage 7-6 vertical direction and be 15mm；First forward extrusion passage 7-1, second just
The extrusion ratio of squeezing passage 7-3 and the 3rd forward extrusion passage 7-5 is respectively 1.33,1.5 and 2, and total extrusion ratio is 4；First just
Length on squeezing passage 7-1, the second forward extrusion passage 7-3 and the 3rd forward extrusion passage 7-5 vertical direction is 5mm.Described
Forward extrusion and crowded composite molding die 7 of turning round are to be put together by two half modules continuously.Six heating rods it are provided with on described die sleeve 9
Installing hole 4 and a survey hole of thermocouple 5, be both provided with heating rod wire guide 8 above each heating rod installing hole 4.Described mould
Set 9 backing plate 6 is provided below.
Although the embodiment disclosed in this utility model is as above, but its content is only to facilitate understand this utility model
Technical scheme and the embodiment that uses, be not intended to limit this utility model.Any this utility model art
Interior technical staff, on the premise of without departing from the core technology scheme disclosed in this utility model, can be in the form implemented
With make any amendment and change in details, but the protection domain that this utility model is limited, still must be with appending claims
Limit in the range of standard.
Claims (6)
1. a continuous forward extrusion and crowded torsion composite forming device, it is characterised in that: include drift (1), continuous forward extrusion and squeeze
Turn round composite molding die (7) and die sleeve (9)；Described continuous forward extrusion and crowded composite molding die (7) of turning round are located in die sleeve (9),
Forward extrusion and the crowded die cavity turning round composite molding die (7) are from top to bottom followed successively by vertical channel (7-7), three grades of squeezing passages continuously
And tapping channel (7-8), every grade of squeezing passage is squeezed torsion passage by a forward extrusion passage and one respectively and constitutes, and stock (3) is put
In vertical channel (7-7), the lower end of drift (1) is placed in vertical channel (7-7), stock (3) and continuously forward extrusion and crowded torsion
The shape of cross section of the die cavity of composite molding die (7) is all square, and three grades of squeezing passage cross sections from top to bottom gradually become
Little；Described stock is magnesium alloy stock, aluminium alloy stock or titanium alloy stock.
The continuous forward extrusion of one the most according to claim 1 and crowded torsion composite forming device, it is characterised in that: define three grades
Squeezing passage is from top to bottom followed successively by first order squeezing passage, second level squeezing passage and third level squeezing passage；The first order is squeezed
Pressure passageway is squeezed torsion passage (7-2) by the first forward extrusion passage (7-1) and first and constitutes；Second level squeezing passage is by the second forward extrusion
Passage (7-3) and second squeezes turns round passage (7-4) composition；Third level squeezing passage is squeezed by the 3rd forward extrusion passage (7-5) and the 3rd
Turn round passage (7-6) to constitute；First squeezes the crowded line of torsion radius (R turning round passage (7-2)1), second squeeze turn round passage (7-4) crowded distortion
Line radius (R2), the 3rd squeeze turn round passage (7-6) crowded line of torsion radius (R3) it is 30mm；First squeeze turn round passage (7-2), second
Squeeze the length turned round on passage (7-4) and the 3rd crowded torsion passage (7-6) vertical direction and be 15mm；First forward extrusion passage (7-1),
The extrusion ratio of the second forward extrusion passage (7-3) and the 3rd forward extrusion passage 7-5 is respectively 1.33,1.5 and 2, and total extrusion ratio is
4；Length on first forward extrusion passage (7-1), the second forward extrusion passage (7-3) and the 3rd forward extrusion passage (7-5) vertical direction
Degree is 5mm.
The continuous forward extrusion of one the most according to claim 1 and 2 and crowded torsion composite forming device, it is characterised in that: described
Forward extrusion and crowded composite molding die (7) of turning round are to be put together by two half modules continuously.
The continuous forward extrusion of one the most according to claim 1 and crowded torsion composite forming device, it is characterised in that: described die sleeve
(9) multiple heating rod installing hole (4) and a survey hole of thermocouple (5), each heating rod installing hole (4) top it are provided with on
It is provided with heating rod wire guide (8).
The continuous forward extrusion of one the most according to claim 1 and crowded torsion composite forming device, it is characterised in that: described die sleeve
(9) backing plate (6) is provided below.
The continuous forward extrusion of one the most according to claim 1 and crowded torsion composite forming device, it is characterised in that: described die sleeve
(9) carry out spacing with continuous forward extrusion and crowded composite molding die (7) of turning round by banking pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719743.9U CN205732338U (en) | 2016-07-08 | 2016-07-08 | A kind of forward extrusion continuously and crowded torsion composite forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719743.9U CN205732338U (en) | 2016-07-08 | 2016-07-08 | A kind of forward extrusion continuously and crowded torsion composite forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205732338U true CN205732338U (en) | 2016-11-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620719743.9U Expired - Fee Related CN205732338U (en) | 2016-07-08 | 2016-07-08 | A kind of forward extrusion continuously and crowded torsion composite forming device |
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| CN (1) | CN205732338U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111718A (en) * | 2016-07-08 | 2016-11-16 | 哈尔滨理工大学 | A kind of forward extrusion continuously turns round composite forming device and method with squeezing |
| CN108405647A (en) * | 2018-03-14 | 2018-08-17 | 哈尔滨理工大学 | A kind of circular bar is crowded to turn round shaping dies and its crowded torsion method |
| CN108555055A (en) * | 2018-04-27 | 2018-09-21 | 哈尔滨理工大学 | A kind of compound crowded torsion building mortion of variable conduit and method |
| CN112371743A (en) * | 2020-10-22 | 2021-02-19 | 烟台大学 | High-pressure torsion reciprocating extrusion processing device and processing method |
-
2016
- 2016-07-08 CN CN201620719743.9U patent/CN205732338U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111718A (en) * | 2016-07-08 | 2016-11-16 | 哈尔滨理工大学 | A kind of forward extrusion continuously turns round composite forming device and method with squeezing |
| CN106111718B (en) * | 2016-07-08 | 2018-02-09 | 哈尔滨理工大学 | A kind of continuous forward extrusion and crowded torsion composite forming device and method |
| CN108405647A (en) * | 2018-03-14 | 2018-08-17 | 哈尔滨理工大学 | A kind of circular bar is crowded to turn round shaping dies and its crowded torsion method |
| CN108555055A (en) * | 2018-04-27 | 2018-09-21 | 哈尔滨理工大学 | A kind of compound crowded torsion building mortion of variable conduit and method |
| CN112371743A (en) * | 2020-10-22 | 2021-02-19 | 烟台大学 | High-pressure torsion reciprocating extrusion processing device and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |