CN109226629A - A kind of hot-pressed mold of ring flange and manufacturing process - Google Patents
A kind of hot-pressed mold of ring flange and manufacturing process Download PDFInfo
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- CN109226629A CN109226629A CN201811270750.5A CN201811270750A CN109226629A CN 109226629 A CN109226629 A CN 109226629A CN 201811270750 A CN201811270750 A CN 201811270750A CN 109226629 A CN109226629 A CN 109226629A
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- ring flange
- lower die
- upper mold
- hot
- guide post
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
Abstract
The invention discloses a kind of hot-pressed molds of ring flange, comprising: upper mold, with formed punch；Lower die, with type chamber；In the case where the upper mold and the lower die are in closed state, the type chamber of the formed punch of the upper mold and the lower die is fitted to each other to form one for shaping the die cavity of the ring flange；A pair of of baseline trough is located at the intracavitary portion of the type, and the longitudinally asymmetric face relative to the die cavity is symmetrical, and the upper notch of the baseline trough is located on the die joint of the shaping dies；Wherein, the die joint of the shaping dies corresponds to the upper horizontal surface of the ring flange.Meanwhile the invention also discloses a kind of ring flange thermal extrusion moulding methods, carry out the hot-pressed of ring flange using shaping dies.Synchronous forming of the present invention goes out benchmark boss, convenient for carrying out origin reference location and centering to ring flange in subsequent mechanical processing, machining allowance can be obviously reduced, improve interiors of products dimensional accuracy.
Description
Technical field
The invention belongs in metal forming technology hot-pressed field more particularly to a kind of ring flange hot extrusion
Shaping dies and manufacturing process.
Background technique
With the continuous popularization and application of aerospace field lightweight structure product, original traditional forging or casting are combined
Mach manufacture means be increasingly unable to satisfy lightweight component dimensional accuracy in terms of rigors.
And there are more drawbacks for traditional handicraft, if interiors of products is of poor quality, stock utilization is low, overall processing period length etc..
Summary of the invention
Technical problem solved by the present invention is giving a kind of ring flange hot extrusion in place of overcome the deficiencies in the prior art
Shaping dies, while giving a kind of ring flange thermal extrusion moulding method.
The technical solution of the invention is as follows: a kind of hot-pressed mold of ring flange, comprising:
Upper mold, with formed punch；
Lower die, with type chamber；Wherein, the lower die is arranged in the upper mold in a manner of it can move along the vertical direction
Top, in the case where the upper mold and the lower die are in closed state, the type chamber of the formed punch of the upper mold and the lower die
It is fitted to each other to form one for shaping the die cavity of the ring flange；
A pair of of baseline trough is located at the intracavitary portion of the type, longitudinally asymmetric face of the pair of baseline trough relative to the die cavity
Symmetrical, the upper notch of the baseline trough is located on the die joint of the shaping dies；
Wherein, the die joint of the shaping dies corresponds to the upper horizontal surface of the ring flange.
Preferably, in the hot-pressed mold of the ring flange, the baseline trough is rectangle baseline trough, the rectangle
The length of baseline trough is 10~15mm, and width is 5~10mm, and depth is 12~15mm.
Preferably, in the hot-pressed mold of the ring flange, the lower die is equipped with around the type chamber to fly
Side slot and a pair of of jaw, the pair of jaw is located at the two sides of the type chamber, relative to the longitudinally asymmetric of the die cavity
Face is symmetrical, and one end of the jaw is connected to the flash gutters, and the other end is formed in the end face outside of the lower die.
Preferably, in the hot-pressed mold of the ring flange, the pair of baseline trough and the pair of jaw
It is distributed on a center line by the die cavity center.
Preferably, in the hot-pressed mold of the ring flange, the upper mold has first level end face, under described
Mold has the second horizontal end face, in the case where the upper mold and the lower die are in closed state, the first level end face
It is in contact with each other to form the die joint of the shaping dies with the described second horizontal end face.
Preferably, the hot-pressed mold of the ring flange further includes guiding mechanism, and the guiding mechanism includes the
One guide post, the second guide post, match with first guide post and the first guide sleeve that be sheathed on first guide post and with the
The second guide sleeve that is that two guide posts match and being sheathed on second guide post, wherein first guide post is set to the upper mold
With one of them in the lower die, first guide sleeve is set to another in the upper mold and the lower die, and described
Two guide posts are set to one of them in the upper mold and the lower die, described second lead be set on the upper mold and it is described under
Another in mould, the diameter of first guide post and second guide post is not identical, and in the upper mold and the lower die
The die cavity is spaced between first guide post and second guide post in the case where the closed state.
Preferably, in the hot-pressed mold of the ring flange, the inside of the upper mold and the lower die is set respectively
There are multiple bottoming holes, multiple electrically heated rods are set to pluggablely in the multiple bottoming hole, for the upper mold and described
Lower die heating.
A kind of ring flange thermal extrusion moulding method carries out the hot-pressed of ring flange, packet using the shaping dies
Include following steps:
Step 1: preheating respectively to blank and the shaping dies, the blank is hollow ring blank；
Step 2: the type that the blank is placed in the lower die is intracavitary；
Step 3: driving the upper mold to move downward using forging equipment, hot extrusion is carried out to the blank；
Step 4: being in contact with each other to the upper mold and the lower die, the upper mold reaches set by the forging equipment
Position carries out pressure maintaining；Until the blank is full of the die cavity and flows into the flash gutters, the forging equipment is stopped transporting
Row；
Step 5: separating the upper mold with the lower die after the completion of hot extrusion, ring flange is taken out from the lower die and is squeezed
Casting die.
Preferably, in the ring flange thermal extrusion moulding method, in the step 1, the blank is aluminium alloy base
Material.
Preferably, in the ring flange thermal extrusion moulding method, in the step 3, hot-pressed speed is 1
~5mm/s, hot-pressed temperature are 350~460 DEG C；In the step 4, the dwell time is 10~90s.
The invention has the following advantages over the prior art:
(1) shaping dies provided by the invention can be when processing ring flange extrusion, and synchronous processing goes out subsequent mechanical
Benchmark boss needed for processing, convenient for carrying out origin reference location and centering to ring flange in subsequent mechanical processing, so as to have
Effect shortens the machining period of ring flange, improves the production efficiency of ring flange.
(2) compared with traditional forging or casting manufacturing process, thermal extrusion moulding method of the present invention, which can be obviously reduced, to be added
Spare time amount, improves interiors of products dimensional accuracy.In addition, the present invention can also improve the mechanical properties such as the intensity of component, plasticity, institute
After heat treatment, mechanical property is obviously improved the hollow structure ring flange extruded product shaped, and average tensile strength reaches
430MPa or more, elongation percentage is up to 13%.Furthermore the ring flange component is processed in adopting said method manufacture, and stock utilization can be promoted
40%, manufacturing cost reduces by 35%~45%, is advantageously implemented batch production.
Detailed description of the invention
Fig. 1 (a) is the upper horizontal surface schematic perspective view directed downwardly of ring flange in one embodiment；
Fig. 1 (b) is the schematic perspective view of the upper horizontal surface of ring flange in one embodiment upward
Fig. 2 is the schematic perspective view of upper mold in one embodiment；
Fig. 3 is the schematic perspective view of lower die in one embodiment；
Fig. 4 is the status diagram that blank is not put into shaping dies in one embodiment；
Fig. 5 is the status diagram that blank is put into filling die cavity after shaping dies in one embodiment；
Fig. 6 (a) is the structural schematic diagram of the first guide post in one embodiment；
Fig. 6 (b) is the structural schematic diagram of the first guide sleeve in one embodiment；
Fig. 6 (c) is the structural schematic diagram of the second guide post in one embodiment；
Fig. 6 (d) is the structural schematic diagram of the second guide sleeve in one embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with attached drawing to this hair
Bright specific embodiment is described in detail.
As shown in Fig. 1 (a), Fig. 1 (b) to Fig. 5, the present invention provides a kind of hot-pressed molds of ring flange, comprising: on
Mould 8, with formed punch 3；Lower die 10, with type chamber 19；Wherein, the upper mold 8 is set in a manner of it can move along the vertical direction
It sets in the top of the lower die 10, in the case where the upper mold 8 and the lower die 10 are in closed state, the upper mold is rushed
First 3 and the type chamber 19 of the lower die be fitted to each other to form one for shaping the die cavity of the ring flange；A pair of of baseline trough 5, position
Inside the type chamber 19, the pair of baseline trough 5 is symmetrical relative to the longitudinally asymmetric face of the die cavity, the baseline trough
5 upper notch is located on the die joint of the shaping dies；Wherein, the die joint of the shaping dies corresponds to the ring flange
Upper horizontal surface 15.
Carry out ring flange it is hot-pressed when, upper mold to lower die move vertically, to the type chamber base for being previously positioned at lower die
Material is squeezed, and forms ring flange 9 after the completion of squeezing.The die joint of shaping dies corresponds to the upper horizontal surface 15 of ring flange 9,
Demoulding efficiency can be improved, improve stripping result.
Since a pair of of baseline trough 5 is symmetrical relative to the longitudinally asymmetric face of die cavity, the upper notch of baseline trough 5 is located at forming
On the die joint of mold, under the action of baseline trough, a pair of of benchmark boss 2 can be formed on ring flange 9, this is to benchmark boss 2
Longitudinally asymmetric face relative to ring flange 9 is symmetrical, and a side end face of benchmark boss and the upper horizontal surface of ring flange
It is engaged togather.Above-mentioned a pair of benchmark boss 2 can be used as the positioning reference plane in the processing of ring flange subsequent mechanical, so as to
It effectively shortens machining period of ring flange, improves the production efficiency of ring flange.
In a preferred embodiment, in the hot-pressed mold of the ring flange, the baseline trough 5 is rectangle base
Quasi- slot, the length of the rectangle baseline trough are 10~15mm, and width is 5~10mm, and depth is 12~15mm.The size of baseline trough
It is unsuitable too small, it is too small, observation is not utilized, it has not been convenient to the positioning datum as subsequent mechanical processing.
In a preferred embodiment, in the hot-pressed mold of the ring flange, the lower die 10 is in the type
It is equipped with flash gutters 18 around chamber 19 and a pair of of jaw 6, the pair of jaw 6 are located at the two sides of the type chamber, relatively
Symmetrical in the longitudinally asymmetric face of the die cavity, one end of the jaw 6 is connected to the flash gutters 18, and the other end is formed in
In the end face outside of the lower die 10.
Flash gutters can increase the resistance that blank is flowed out from die cavity, promote blank full of die cavity, at the same accommodate it is extra
Blank.
When the degree of lubrication of lower die is inadequate, extrusion is demoulded in ill situation, needs to carry out by jaw and pry
Demoulding.That is, manually a pair of of pry is inserted into respectively in a pair of of jaw, guarantee that pry is inserted into most interior one end of jaw, upwards
Extrusion overlap is agitated, extrusion blank is taken out.Since most interior one end of jaw is connected to flash gutters, pry agitates upwards
When, it is only contacted with overlap, ring flange main part is without destructive defect.
When lower die degree of lubrication is preferable, in the case of extrusion demoulding smoothly, then can not be demoulded by pry.
That is, being directly inserted into a pair of of jaw after forging equipment drives the upward backhaul of upper mold using clamp tool, clamping extrusion flies
Extrusion blank is taken out on side, it can realize demoulding.
In a preferred embodiment, in the hot-pressed mold of the ring flange, the pair of baseline trough 5 and
The pair of jaw 6 is distributed on a center line by the die cavity center.
A pair of of baseline trough is distributed on a center line by die cavity center, that is, is formed by a pair of of benchmark boss distribution
On a center line Jing Guo ring flange center, it is more advantageous to and ring flange is positioned and looked in subsequent mechanical processing
Just.
A pair of of jaw is symmetrical relative to the longitudinally asymmetric face of the die cavity, is distributed in by one of die cavity center
On heart line, i.e., with the inner periphery of ring flange for, a pair of of jaw is distributed in it diametrically.The design can guarantee entire extrusion
Blank two sides are helped to improve the efficiency of extrusion demoulding by upward power.
In a preferred embodiment, in the hot-pressed mold of the ring flange, the upper mold 8 has the first water
Planar end surface 16, the lower die 10 has the second horizontal end face 17, the case where the upper mold and the lower die are in closed state
Under, the first level end face 16 is in contact with each other to form the die joint of the shaping dies with the described second horizontal end face 17.
Such as Fig. 6 (a) to Fig. 6 (d), in a preferred embodiment, the hot-pressed mold of the ring flange is also wrapped
Include guiding mechanism, the guiding mechanism include the first guide post 11, the second guide post 13, match with first guide post and be arranged
In first guide sleeve 12 of first guide post and matching with the second guide post and being sheathed on second guide post
Two guide sleeves 14, wherein first guide post 11 is set to one of them in the upper mold and the lower die, first guide sleeve
12 are set to another in the upper mold and the lower die, and second guide post 13 is set in the upper mold and the lower die
One of them, another in the upper mold and the lower die, 11 He of the first guide post is arranged in second guide sleeve 14
The diameter of second guide post 13 is not identical, and in the case where the upper mold and the lower die are in closed state described
The die cavity is spaced between one guide post and second guide post.
When first guide post and the second guide post are mounted on upper mold, the first guide sleeve and the second guide sleeve are then respectively mounted at lower die；
On the contrary, then the first guide sleeve and the second guide sleeve are respectively mounted at upper mold when the first guide post and the second guide post are mounted on lower die.Guide post
The path of upper mold up and down motion can be limited with guide sleeve, guarantee accurate molding.
In this embodiment, the diameter of the first guide post and the second guide post is not identical, and the first guide post and the second guide post it
Between be spaced die cavity (be located at cornerwise position), the assembly direction of upper die and lower die is defined, convenient for the fast aligning of mold.At
After shape, need to separate shaping dies into progress removing surface.It clears up and then assembles upper die and lower die.Assembling
When, the assembly direction of upper die and lower die can be quickly determined according to the first guide post and the second guide post, avoid loading error bring
Process risk.
First guide post and the second guide post diameter range are 100~110mm.
In a preferred embodiment, in the hot-pressed mold of the ring flange, the upper mold 8 and the lower die
10 inside is respectively equipped with multiple bottoming holes, and multiple electrically heated rods are set to pluggablely in the multiple bottoming hole, for pair
The upper mold and lower die heating.It is provided with upper mold bottoming hole 4 in upper mold, lower die bottoming hole 7 is provided in lower die, electricity is added
Hot pin is inserted into upper mold bottoming hole and lower die bottoming hole, and heating and heat preservation operation to shaping dies can be realized.
Such as Fig. 4 and Fig. 5, the present invention also provides a kind of ring flange thermal extrusion moulding method, using the shaping dies into
Row ring flange it is hot-pressed, comprising the following steps:
Step 1: preheating respectively to blank and the shaping dies, the blank is hollow ring blank；
Step 2: the type that the blank is placed in the lower die is intracavitary；
Step 3: driving the upper mold to move downward using forging equipment, hot extrusion is carried out to the blank；
Step 4: being in contact with each other to the upper mold and the lower die, the upper mold reaches set by the forging equipment
Position carries out pressure maintaining；Until the blank is full of the die cavity and flows into the flash gutters, the forging equipment is stopped transporting
Row；
Step 5: separating the upper mold with the lower die after the completion of hot extrusion, ring flange is taken out from the lower die and is squeezed
Casting die.
Above-mentioned blank is the manufactured hollow ring blank after jumping-up and punching.
In step 4, it can observe by the naked eye whether blank flows into flash gutters, to determine whether to stop forging equipment
Operation.The movement travel of upper mold can also be limited by position-limit mechanism, when upper mold arrival position-limit mechanism, i.e. proof blank
It fills with die cavity and flows into flash gutters.
It in step 5, is completed to hot extrusion, drives the upward backhaul of upper mold using forging equipment, can directly utilize clamp work
Tool takes out ring flange extrusion, and pry can also be used and pull out ring flange extrusion from drag chamber.
In a preferred embodiment, in the ring flange thermal extrusion moulding method, in the step 1, the base
Material is aluminum alloy blank.
In a preferred embodiment, in the ring flange thermal extrusion moulding method, in the step 3, hot extrusion
Forming speed is 1~5mm/s, and hot-pressed temperature is 350~460 DEG C；In the step 4, the dwell time is 10~90s.
Compared with traditional forging or casting manufacturing process, thermal extrusion moulding method of the present invention can be obviously reduced more than processing
Amount improves interiors of products dimensional accuracy.In addition, the present invention can also improve the mechanical properties such as the intensity of component, plasticity, it is formed thereby
After heat treatment, mechanical property is obviously improved hollow structure ring flange extruded product out, average tensile strength up to 430MPa with
On, elongation percentage is up to 13%.Furthermore the ring flange component is processed in adopting said method manufacture, and stock utilization can promote 40%, production
Manufacturing cost reduces by 35%~45%, is advantageously implemented batch production.
Embodiment 1
For the present invention by taking ring flange extrusion as an example, contour structures are as shown in Figure 1.Material is 2A50 aluminium alloy.Ring flange
It is substantially in circular ring shape, periphery has equally distributed three trunnions 1.
As shown in Fig. 1 to Fig. 6 (d), the hot-pressed mold of ring flange described in the present embodiment, including upper mold 8, lower die
10, the first guide post 11 and the second guide post 13, the first guide sleeve 12 and the second guide sleeve 14.Wherein, first guide post 11, the first guide sleeve
12 size is respectively 100mm and 101mm, second guide post 13, the second guide sleeve 14 size be respectively 102mm and 103mm.
The die joint of shaping dies is 9 upper surface of ring flange, and 8 lower surface of upper mold and 10 upper surface of lower die are horizontal plane, i.e.,
For die joint, the docking of 10 plane of upper mold 8 and lower die uses male-female structure type, 10 upper surface of lower die be equipped with flash gutters and
Jaw, the forming die cavity of lower die 10 are equipped with rectangle baseline trough 5, and baseline trough 5 is located at and on flash gutters, jaw identical central line and is in
Symmetrical, baseline trough 5 is for shaping benchmark boss, convenient for the subsequent clamping of ring flange extrusion and processing positioning.Benchmark
Slot 5 is radially symmetrical, design size 10mm*6mm*13mm.
Material selected by upper mold 1, lower die 9 is low heat-resisting high-ductility steel 5CrMnMo.First guide post 11, the second guide post 13,
Material selected by first guide sleeve 12 and the second guide sleeve 14 is carbon tool steel T7.Upper mold 1, lower die 9, the first guide post 11, second
Guide post 13, the first guide sleeve 12 and the second guide sleeve 14 reach 42-48HRC, guide post guide sleeve surface through Overheating Treatment, upper and lower mould surface hardness
Hardness reaches 55-60HRC.
In ring flange thermal extrusion moulding method, preform preheating, preform preheating temperature is 420 DEG C, soaking time
For 2h；Hot-pressed mold preheating, preheating temperature are 420 DEG C；Preform is put into hot-extrusion mold after to temperature, with
The extrusion speed of 3mm/s is squeezed and deformed, and after mold reaches setting position, pressure maintaining 30s, upper mold is taken out with upper mounting plate backhaul
Ring flange hot extrusion casting die, hot-pressed process terminate.
After heat treatment, mechanical property is obviously improved embodiment hollow structure ring flange extruded product out formed thereby,
Tensile strength reaches 430MPa or more, and for elongation percentage up to 13%, stock utilization improves 40% or more.
Embodiment 2:
For the present invention by taking ring flange extrusion as an example, contour structures are as shown in Figure 1.Material is 2A50 aluminium alloy.
As shown in Fig. 1 to Fig. 6 (d), the hot-pressed mold of ring flange described in the present embodiment, including upper mold 8, lower die
10, the first guide post 11 and the second guide post 13, the first guide sleeve 12 and the second guide sleeve 14.Wherein, first guide post 11, the first guide sleeve
12 size is respectively 101mm and 102mm, second guide post 13, the second guide sleeve 14 size be respectively 103mm and 104mm；
The die joint of shaping dies is 9 upper surface of ring flange, and 8 lower surface of upper mold and 10 upper surface of lower die are horizontal plane, i.e.,
For die joint, the docking of 10 plane of upper mold 8 and lower die uses male-female structure type, 10 upper surface of lower die be equipped with flash gutters and
Jaw, the forming die cavity of lower die 10 are equipped with rectangle baseline trough 5, and baseline trough 5 is located at and on flash gutters, jaw identical central line and is in
Symmetrical, baseline trough 5 is for shaping benchmark boss, convenient for the subsequent clamping of ring flange extrusion and processing positioning.Benchmark
Slot 5 is radially symmetrical, design size 12mm*8mm*15mm.
Material selected by upper mold 1, lower die 9 is hot die steel H13, the first guide post 11, the second guide post 13, the first guide sleeve
12 and second material selected by guide sleeve 14 be low heat-resisting high-ductility steel 5CrMnMo；Upper mold 1, lower die 9, the first guide post 11, second
Guide post 13, the first guide sleeve 12 and the second guide sleeve 14 reach 45-50HRC, guide post guide sleeve surface through Overheating Treatment, upper and lower mould surface hardness
Hardness reaches 44-48HRC.
In ring flange thermal extrusion moulding method, preform preheating, preform preheating temperature is 440 DEG C, soaking time
For 2h；Hot-pressed mold preheating, preheating temperature are 440 DEG C；Preform is put into hot-extrusion mold after to temperature, with
The extrusion speed of 1mm/s is squeezed and deformed, and after mold reaches setting position, pressure maintaining 15s, upper mold is taken out with upper mounting plate backhaul
Ring flange hot extrusion casting die, hot-pressed process terminate.
After heat treatment, mechanical property is obviously improved embodiment hollow structure ring flange extruded product out formed thereby,
Tensile strength reaches 430MPa or more, and for elongation percentage up to 13%, stock utilization improves 40% or more.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this field skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification, therefore, guarantor of the invention
Shield range should be subject to the range that the claims in the present invention are defined.
Claims (10)
1. a kind of hot-pressed mold of ring flange characterized by comprising
Upper mold, with formed punch；
Lower die, with type chamber；Wherein, the upper of the lower die is arranged in the upper mold in a manner of it can move along the vertical direction
Side, in the case where the upper mold and the lower die are in closed state, the type chamber of the formed punch of the upper mold and the lower die that
This cooperatively forms one for shaping the die cavity of the ring flange；
A pair of of baseline trough, is located at the intracavitary portion of the type, and the pair of baseline trough is symmetrical relative to the longitudinally asymmetric face of the die cavity
Distribution, the upper notch of the baseline trough are located on the die joint of the shaping dies；Wherein, the die joint pair of the shaping dies
The upper horizontal surface of ring flange described in Ying Yu.
2. the hot-pressed mold of ring flange as described in claim 1, which is characterized in that the baseline trough is rectangle benchmark
Slot, the length of the rectangle baseline trough are 10~15mm, and width is 5~10mm, and depth is 12~15mm.
3. the hot-pressed mold of ring flange as claimed in claim 2, which is characterized in that week of the lower die in the type chamber
It encloses equipped with flash gutters and a pair of of jaw, the pair of jaw is located at the two sides of the type chamber, relative to the die cavity
Longitudinally asymmetric face is symmetrical, and one end of the jaw is connected to the flash gutters, and the other end is formed in the outside of the lower die
On end face.
4. the hot-pressed mold of ring flange as claimed in claim 3, which is characterized in that the pair of baseline trough and described
A pair of of jaw is distributed on a center line by the die cavity center.
5. the hot-pressed mold of ring flange as described in claim 1, which is characterized in that the upper mold has first level end
Face, the lower die have the second horizontal end face, in the case where the upper mold and the lower die are in closed state, described first
Horizontal end face and the described second horizontal end face are in contact with each other to form the die joint of the shaping dies.
6. the hot-pressed mold of ring flange as described in claim 1, which is characterized in that it further include guiding mechanism, it is described to lead
To mechanism include the first guide post, the second guide post, with first guide post match and being sheathed on first guide post first
Guide sleeve and match with the second guide post and the second guide sleeve that be sheathed on second guide post, wherein first guide post is set
It is placed in one of them in the upper mold and the lower die, first guide sleeve is set to another in the upper mold and the lower die
One, second guide post is set to one of them in the upper mold and the lower die, described second lead be set on it is described
Another in upper mold and the lower die, the diameter of first guide post and second guide post is not identical, and on described
Mould and the lower die are spaced the die cavity between first guide post and second guide post in the case where being in closed state.
7. the hot-pressed mold of ring flange as described in claim 1, which is characterized in that the upper mold and the lower die it is interior
Portion is respectively equipped with multiple bottoming holes, and multiple electrically heated rods are set to pluggablely in the multiple bottoming hole, for described
Mould and lower die heating.
8. a kind of ring flange thermal extrusion moulding method, which is characterized in that using according to any one of claims 1 to 7
Shaping dies carries out the hot-pressed of ring flange, comprising the following steps:
Step 1: blank and the shaping dies are preheated and kept the temperature respectively, the blank is hollow ring blank；
Step 2: the type that the blank is placed in the lower die is intracavitary；
Step 3: driving the upper mold to move downward using forging equipment, hot extrusion is carried out to the blank；
Step 4: being in contact with each other to the upper mold and the lower die, the upper mold reaches position set by the forging equipment,
Carry out pressure maintaining；Until the blank is full of the die cavity and flows into the flash gutters, the forging equipment is out of service；
Step 5: separating the upper mold with the lower die after the completion of hot extrusion, ring flange is taken out from the lower die and is squeezed
Part.
9. ring flange thermal extrusion moulding method as claimed in claim 8, which is characterized in that in the step 1, blank is aluminium
Alloy blank.
10. ring flange thermal extrusion moulding method as claimed in claim 9, which is characterized in that in the step 3, be hot extruded into
Shape speed is 1~5mm/s, and hot-pressed temperature is 350~460 DEG C；In the step 4, the dwell time is 10~90s.
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| CN201811270750.5A CN109226629A (en) | 2018-10-29 | 2018-10-29 | A kind of hot-pressed mold of ring flange and manufacturing process |
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| CN112846064A (en) * | 2020-12-18 | 2021-05-28 | 北京航星机器制造有限公司 | Isothermal forming method and device for aluminum alloy flange forging material distribution control |
| CN113020527A (en) * | 2021-03-19 | 2021-06-25 | 中国船舶重工集团公司第七二五研究所 | Closed large-size copper-nickel alloy BFe30-1-1 flange forming die and processing method |
| CN113649512A (en) * | 2021-08-09 | 2021-11-16 | 宁波固强机械有限公司 | Mold for manufacturing automobile inner bushing and manufacturing method of automobile inner bushing |
| CN113649512B (en) * | 2021-08-09 | 2024-04-19 | 宁波固强机械有限公司 | Mold for manufacturing automobile lining sleeve and automobile lining sleeve manufacturing method |
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| US20030196468A1 (en) * | 2002-04-19 | 2003-10-23 | Ngk Spark Plug Co., Ltd. | Method of making a flanged tubular metallic part |
| KR20110071978A (en) * | 2009-12-22 | 2011-06-29 | 주식회사동양강철 | Extruding die |
| CN207138525U (en) * | 2017-04-14 | 2018-03-27 | 扬州华展管件有限公司 | A kind of flange part extrusion molding dies |
| CN108526238A (en) * | 2018-03-16 | 2018-09-14 | 北京航星机器制造有限公司 | A kind of asymmetric band lug aluminium alloy flange disk hot extrusion near-net-shape method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110605334A (en) * | 2019-10-31 | 2019-12-24 | 凌云西南工业有限公司 | Pressure plate die |
| CN110605334B (en) * | 2019-10-31 | 2024-02-09 | 凌云西南工业有限公司 | Platen die |
| CN112846064A (en) * | 2020-12-18 | 2021-05-28 | 北京航星机器制造有限公司 | Isothermal forming method and device for aluminum alloy flange forging material distribution control |
| CN113020527A (en) * | 2021-03-19 | 2021-06-25 | 中国船舶重工集团公司第七二五研究所 | Closed large-size copper-nickel alloy BFe30-1-1 flange forming die and processing method |
| CN113649512A (en) * | 2021-08-09 | 2021-11-16 | 宁波固强机械有限公司 | Mold for manufacturing automobile inner bushing and manufacturing method of automobile inner bushing |
| CN113649512B (en) * | 2021-08-09 | 2024-04-19 | 宁波固强机械有限公司 | Mold for manufacturing automobile lining sleeve and automobile lining sleeve manufacturing method |
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