CN107116106A - A kind of reverse extrusion die fixing structure and back extrusion process for forming - Google Patents
A kind of reverse extrusion die fixing structure and back extrusion process for forming Download PDFInfo
- Publication number
- CN107116106A CN107116106A CN201710480932.4A CN201710480932A CN107116106A CN 107116106 A CN107116106 A CN 107116106A CN 201710480932 A CN201710480932 A CN 201710480932A CN 107116106 A CN107116106 A CN 107116106A
- Authority
- CN
- China
- Prior art keywords
- reverse extrusion
- mould
- mold shaft
- reverse
- fixing structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/20—Making uncoated products by backward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention provides a kind of reverse extrusion die fixing structure and back extrusion process for forming, including mould, reverse extrusion mold shaft, reverse extrusion mold shaft is arranged on mobile formwork, the die coat is provided with die sleeve, the die sleeve is connected with reverse extrusion mold shaft, supported between mould and the reverse extrusion mold shaft provided with mould, the mould branch is stayed in die sleeve and is fixedly connected with reverse extrusion mold shaft, the mould, mould support and reverse extrusion mold shaft three are coaxial.This reverse extrusion die fixing structure that the present invention is provided, simplify reverse extrusion machinery makeup and put structure, reduce the number of devices of mechanized portions, shorten reverse extrusion and fix dead cycle time, reverse extrusion production efficiency is improved, production cost is reduced.
Description
Technical field
The invention belongs to technical field of metallurgical equipment, and in particular to a kind of reverse extrusion die fixing structure and reversely squeeze
Pressure method.
Background technology
Current single double-action reverse aluminium extruding machine is in extrusion process, many pressing methods using flexible moulds 4, mould and
Mold shaft sends into extruding center or with aluminium ingot base together by sending ingot manipulator to send into extruding center by mobile formwork together, starts afterwards
Extruding, after extruding terminates, mould 4 is taken out of by mobile formwork or fetches and delivers manipulator by mould 4 and taken out, through being separated by mould after taking-up
Machine, which is separated, is then sent through holding fix after defective material, lubrication, wait extrusion process next time.So make it that extrusion process is numerous and diverse, so that
Cause work efficiency drop, greatly add production cost.
The reverse extrusion mode of flexible mould, in each extrusion process, mould is admitted to taking-up, also needs to carry out after taking-up
Defective material is separated, and causes dead cycle time longer, but also need to configure the complicated machinery makeup such as mould separation, feeding and taking-up
Put.
The content of the invention
The purpose of the present invention is the drawbacks described above for overcoming prior art to exist, and the fixed dead cycle time of reduction simplifies reverse
Extruder motorisation unit structure.
Therefore, the invention provides a kind of reverse extrusion die fixing structure, including mould, reverse extrusion mold shaft, instead
It is arranged on to extruding mold shaft on mobile formwork, the die coat is provided with die sleeve, the die sleeve is connected with reverse extrusion mold shaft, institute
State provided with mould support between mould and reverse extrusion mold shaft, the mould branch, which is stayed in die sleeve and fixed with reverse extrusion mold shaft, to be connected
Connect, the mould, mould support and reverse extrusion mold shaft three are coaxial.
Described die sleeve one end is provided with expansion loop, and the other end is connected with reverse extrusion mold shaft.
The mould support is hollow structure, is circumferentially with pilot hole, and the internal diameter of the mould support is equal with mould internal diameter, outside
Footpath is more than the external diameter of mould.
The die sleeve is bite type die sleeve, and expansion loop and the reverse extrusion mold shaft is fixed with die sleeve by card key to be connected
Connect.
The mould support is radially reserved with gap with die sleeve.
The internal diameter of the reverse extrusion mold shaft is more than the internal diameter that mould is supported.
Present invention also offers a kind of back extrusion process for forming, using reverse extrusion die fixing structure, including before extruding
Reverse extrusion is sent into extruding center, extrusion process and continuously sent by mobile formwork by reverse extrusion mold shaft with die fixing structure
Enter ingot blank to be extruded, after the extruding of all ingot blanks terminates, recipient is moved to defective material shearing position to extruder front-axle beam direction, enters
Row defective material is sheared.
Be additionally included in extrusion process, the expansion loop power that is squeezed swells, and is contacted with recipient inwall, make ingot blank defective material by every
From outside the gap of reverse extrusion mold shaft and recipient.
The beneficial effects of the invention are as follows：
This reverse extrusion die fixing structure that the present invention is provided, simplifies reverse extrusion machinery makeup and puts structure, reduce
The number of devices of mechanized portions, shortens reverse extrusion and fixes dead cycle time, improve reverse extrusion production efficiency, drop
Low production cost.
The expansion loop that die sleeve one end is set is in extrusion process, and the power that is squeezed swells, the contact between recipient inwall,
So that ingot blank will not enter the gap between reverse extrusion mold shaft and recipient, the later stage is facilitated to clear up.
It is described in further details below in conjunction with accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of expansion loop 1.
In figure：1st, expansion loop；2nd, die sleeve；3rd, the first card key；4th, mould；5th, mould is supported；6th, the second card key；7th, reverse extrusion
Mold shaft.
Embodiment
Embodiment 1：
Present embodiments provide a kind of reverse extrusion die fixing structure, including mould 4, reverse extrusion mold shaft 7, reverse extrusion
Mold shaft 7 is arranged on mobile formwork, is arranged with die sleeve 2 outside the mould 4, the die sleeve 2 is connected with reverse extrusion mold shaft 7, institute
State provided with mould support 5 between mould 4 and reverse extrusion mold shaft 7, mould support 5 in die sleeve 2 and with reverse extrusion mold shaft 7
It is fixedly connected, the mould 4, mould support 5 and the three of reverse extrusion mold shaft 7 are coaxial.
Use process：Mould 4 is fixed on reverse extrusion mold shaft 7 by mould support 5 and die sleeve 2, afterwards by mobile mould
Ingot blank and mould 4 are delivered to extruding center by frame, start that only ingot blank need to be fetched and delivered in extruding, extrusion process, until the extruding of all ingot blanks
It is complete, take mould 4 out of.
Mould 4 is fixed, indirect extrusion machine motorisation unit structure is simplified, and existing flexible mould 4 is crowded
Press through journey and need to configure mould 4 and the complicated motorisation unit such as separate, send into and take out, extruding, ingot blank every time（Or send ingot manipulator
Send into extruding center）Extruding center is sent into by mobile formwork together with mould 4, mold shaft, after extruding terminates, mould 4 is by mobile mould
Frame is taken out of or fetches and delivers manipulator by mould 4 and takes out, and every time after extruding, mould 4 also needs to carry out defective material separation after taking out, and causes
Dead cycle time is longer, therefore, the reverse extrusion die fixing structure provided using the present embodiment, can be avoided and frequently takes
Send mould 4 so that extrusion process is more convenient, greatly shorten fixed dead cycle time, reduce production cost, improve reverse extrusion
Production efficiency.
Embodiment 2：
On the basis of embodiment 1, a kind of reverse extrusion die fixing structure as shown in Figure 1, institute are present embodiments provided
The one end of die sleeve 2 is stated provided with expansion loop 1, the other end is connected with reverse extrusion mold shaft 7.
In extrusion process, the expansion loop 1 extending into the recipient power that is squeezed swells, connecing between recipient inwall
Touch so that aluminium ingot base will not enter the gap between reverse extrusion mold shaft 7 and recipient, facilitate the later stage to clear up.The knot of expansion loop 1
Structure is as shown in Figure 2.
In the present embodiment, mould support 5 is hollow structure, is circumferentially with pilot hole, the internal diameter of the mould support 5 with
The internal diameter of mould 4 is equal, and external diameter is more than the external diameter of mould 4.The main function of mould support 5 is pressure-bearing.
The die sleeve 2 is bite type die sleeve 2, and the expansion loop 1 and reverse extrusion mold shaft 7 are solid by card key with die sleeve 2
Fixed connection.As shown in figure 1, mould 4 is arranged within die sleeve 2, passes behind mould support 5 and reverse extrusion mold shaft 7 is connected, die sleeve
2 and the rotation cutting ferrule connection of reverse extrusion mold shaft 7, and positioned by the second card key 6, expansion loop 1, expansion loop 1 are installed in the front end of die sleeve 2
Link with the cutting ferrule of die sleeve 2, pass through the first card key 3 or supporting pad positioning and locking.
Bite type structure design between expansion loop 1 and die sleeve 2 and die sleeve 2 and reverse extrusion mold shaft 7 can ensure squeezing
Extruding force is delivered on reverse extrusion mold shaft 7 during pressure, while ensureing that the discord of mould 4 mold shaft is separated when recipient is opened.
Embodiment 3：
On the basis of embodiment 1, present embodiments provide a kind of reverse extrusion die fixing structure, the mould support 5 with
Die sleeve 2 is radially reserved with gap.
Mould support 5 is diametrically reserved with gap with die sleeve 2, it is ensured that expansion loop 1, die sleeve 2 and mould 4 stretch into recipient
When can flexible centering, it is ensured that pressure ram, recipient, the concentricity of mould 4 and reverse extrusion mold shaft 7.
As shown in figure 1, the internal diameter of reverse extrusion mold shaft 7 is more than the internal diameter that mould supports 5.
Embodiment 4：
On the basis of foregoing reverse extrusion die fixing structure, a kind of back extrusion process for forming is present embodiments provided, including
Reverse extrusion is sent into extruding center, extrusion process by mobile formwork by reverse extrusion mold shaft 7 with die fixing structure before extruding
In be continuously introduced into ingot blank and extruded（Finished product after extruding is exported by extruder front-axle beam）, after the extruding of all ingot blanks terminates, squeeze
Pressure cylinder is moved to defective material shearing position to extruder front-axle beam direction, carries out defective material shearing.
It is additionally included in extrusion process, the power that is squeezed of expansion loop 1 swells, and is contacted with recipient inwall, makes ingot blank defective material quilt
Outside the gap for being isolated in reverse extrusion mold shaft 7 and recipient.
In summary, this reverse extrusion die fixing structure that the present invention is provided, simplifies reverse extrusion machineryization
Apparatus structure, reduces the number of devices of mechanized portions, shortens reverse extrusion and fixes dead cycle time, improves and reversely squeeze
Production efficiency is pressed, production cost is reduced.
The expansion loop 1 that the one end of die sleeve 2 is set is in extrusion process, and the power that is squeezed swells, connecing between recipient inwall
Touch so that ingot blank will not enter the gap between reverse extrusion mold shaft 7 and recipient, facilitate the later stage to clear up.
The part and structure that above example is not described in detail belong to the well-known components and common structure or conventional of the industry
Means, are not described one by one here.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (8)
1. a kind of reverse extrusion die fixing structure, including mould（4）, reverse extrusion mold shaft（7）, reverse extrusion mold shaft（7）
On mobile formwork, it is characterised in that：The mould（4）It is arranged with die sleeve outside（2）, the die sleeve（2）With reverse extrusion
Mold shaft（7）Connection, the mould（4）With reverse extrusion mold shaft（7）Between provided with mould support（5）, the mould support（5）Located at mould
Set（2）It is interior and with reverse extrusion mold shaft（7）It is fixedly connected, the mould（4）, mould support（5）With reverse extrusion mold shaft（7）Three
Coaxially.
2. a kind of reverse extrusion die fixing structure according to claim 1, it is characterised in that：
The die sleeve（2）One end is provided with expansion loop（1）, the other end and reverse extrusion mold shaft（7）Connection.
3. a kind of reverse extrusion die fixing structure according to claim 1, it is characterised in that：The mould support（5）
For hollow structure, pilot hole, the mould support are circumferentially with（5）Internal diameter and mould（4）Internal diameter is equal, and external diameter is more than mould
（4）External diameter.
4. a kind of reverse extrusion die fixing structure according to claim 1, it is characterised in that：The die sleeve（2）For
Bite type die sleeve（2）, the expansion loop（1）With reverse extrusion mold shaft（7）And die sleeve（2）It is fixedly connected by card key.
5. a kind of reverse extrusion die fixing structure according to claim 1, it is characterised in that：The mould support（5）
With die sleeve（2）Radially it is reserved with gap.
6. a kind of reverse extrusion die fixing structure according to claim 2, it is characterised in that：The reverse extrusion mould
Axle（7）Internal diameter more than mould support（5）Internal diameter.
7. a kind of back extrusion process for forming, the reverse extrusion die fixing structure described in usage right requirement 1 or 2, its feature exists
In：Pass through reverse extrusion mold shaft including mobile formwork before extruding（7）Reverse extrusion is sent into extruding center with die fixing structure,
It is continuously introduced into ingot blank in extrusion process to be extruded, after the extruding of all ingot blanks terminates, recipient is moved to extruder front-axle beam direction
Defective material shearing position is moved, defective material shearing is carried out.
8. a kind of back extrusion process for forming according to claim 7, it is characterised in that：It is additionally included in extrusion process, expands
Ring（1）The power that is squeezed swells, and is contacted with recipient inwall, ingot blank defective material is isolated in reverse extrusion mold shaft（7）With recipient
Gap outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480932.4A CN107116106A (en) | 2017-06-22 | 2017-06-22 | A kind of reverse extrusion die fixing structure and back extrusion process for forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480932.4A CN107116106A (en) | 2017-06-22 | 2017-06-22 | A kind of reverse extrusion die fixing structure and back extrusion process for forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107116106A true CN107116106A (en) | 2017-09-01 |
Family
ID=59718710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710480932.4A Pending CN107116106A (en) | 2017-06-22 | 2017-06-22 | A kind of reverse extrusion die fixing structure and back extrusion process for forming |
Country Status (1)
| Country | Link |
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| CN (1) | CN107116106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961479A (en) * | 2019-11-18 | 2020-04-07 | 太重（天津）滨海重型机械有限公司 | Self-expanding die for reverse extruder and method of assembling same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147453A (en) * | 1975-06-14 | 1976-12-17 | Toyo Satsushi Kougiyou Kk | Extrusion device for extruding press machine |
| CN102303062A (en) * | 2011-09-20 | 2012-01-04 | 无锡市源昌机械制造有限公司 | Backward double-acting extruder for aluminum alloy |
| CN202606549U (en) * | 2012-04-16 | 2012-12-19 | 金川集团股份有限公司 | Extrusion module for copper and copper alloy double-action extruder |
| CN103418628A (en) * | 2013-08-19 | 2013-12-04 | 无锡源创机械科技有限公司 | Horizontal-type reverse extruder extruding die fixing structure |
| CN104190738A (en) * | 2014-09-24 | 2014-12-10 | 南京鸿发有色金属制造有限公司 | Ring type elastic fixed extruding pad of aluminum profile extruding machine |
-
2017
- 2017-06-22 CN CN201710480932.4A patent/CN107116106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147453A (en) * | 1975-06-14 | 1976-12-17 | Toyo Satsushi Kougiyou Kk | Extrusion device for extruding press machine |
| CN102303062A (en) * | 2011-09-20 | 2012-01-04 | 无锡市源昌机械制造有限公司 | Backward double-acting extruder for aluminum alloy |
| CN202606549U (en) * | 2012-04-16 | 2012-12-19 | 金川集团股份有限公司 | Extrusion module for copper and copper alloy double-action extruder |
| CN103418628A (en) * | 2013-08-19 | 2013-12-04 | 无锡源创机械科技有限公司 | Horizontal-type reverse extruder extruding die fixing structure |
| CN104190738A (en) * | 2014-09-24 | 2014-12-10 | 南京鸿发有色金属制造有限公司 | Ring type elastic fixed extruding pad of aluminum profile extruding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961479A (en) * | 2019-11-18 | 2020-04-07 | 太重（天津）滨海重型机械有限公司 | Self-expanding die for reverse extruder and method of assembling same |
| CN110961479B (en) * | 2019-11-18 | 2021-07-16 | 太重（天津）滨海重型机械有限公司 | Self-expanding die for reverse extruder and method of assembling same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170901 |
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| RJ01 | Rejection of invention patent application after publication |