CN206046686U - A kind of equal channel angular extrusion die of optimization - Google Patents
A kind of equal channel angular extrusion die of optimization Download PDFInfo
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- CN206046686U CN206046686U CN201621069048.9U CN201621069048U CN206046686U CN 206046686 U CN206046686 U CN 206046686U CN 201621069048 U CN201621069048 U CN 201621069048U CN 206046686 U CN206046686 U CN 206046686U
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- die
- passage
- slide block
- channel angular
- hydraulic cylinder
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Abstract
The utility model discloses a kind of equal channel angular extrusion die of optimization, including die, L-shaped passage is offered in die, punch pressure ram is provided with the vertical passage of the L-shaped passage, the top of punch pressure ram is connected with the film pressing device that punch pressure ram can be made to move up and down in the vertical passage of L-shaped passage, the side of die is provided with the squeezing passage being connected with the interconnection of L-shaped passage, resistor slide block is provided with the squeezing passage, one end of resistor slide block is connected with the interconnection of L-shaped passage, and the other end of resistor slide block is connected with hydraulic means.This utility model is by arranging a resistor slide block in die squeezing passage, and resistor slide block is connected with hydraulic means, applies dorsad pressure to extruding workpiece, easily occurs the problem of warping and cracking in being prevented effectively from material preparation process；By fastening using die fixed cover to female mold part, its bearing capacity is drastically increased.
Description
Technical field
This utility model belongs to plastic deformation technical field of mold, and in particular to a kind of Equal-channel Angular Pressing mould of optimization
Tool.
Background technology
Equal Channel Angular Pressing (ECAP) as a kind of method for preparing ultra-fine crystal block body material, with low energy consumption,
The advantages of pollution-free, mould structure is simple and reusable, has very big potential using value in industrial circle.In passage
Corner extrusion mainly has following purposes：Can be used as a kind of processing technique, and other processing methods (such as rolling, forging and stamping, are drawn
Pull out) it is used in combination, so as to prepare the low-dimensional materials such as the more superior band of performance, sheet material, silk material；Alternation is born used in preparation
The material that the material or hot environment of load effect is on active service, improves the fatigue behaviour of material by ECAP, extends the use of material
Life-span, the crystal grain for improving material grow up temperature, expand the use range of common material；Material is improved by Equal-channel Angular Pressing
Intensity, enable common material to reach the comprehensive mechanical property of high alloy material and heat treatment material, so as to reduce high alloy
The use of material, reaches the purpose for economizing on resources；The plasticity of difficult deformable metal or alloy is improved, improves its processability.But mesh
The front channel pressings mould that waits is easy to make sample crack or rupture in the tension that squeezing passage corner produces, and obtains
Sample multi-pass difficult to realize extruding.Corner area difficulty of processing is larger, and in adding extrusion process, die channel is easy to wear,
Need Jing often to keep in repair, cause that the processing maintenance cost of mould is higher, production efficiency is relatively low, still expended based on single-piece operation at present
Labor hour is more.And the scantling for preparing is less than normal, waste more serious, from commercial production level farther out.Jing after extruding,
The front and back end and surface of material is easy to crackle, coarse etc. occur, and following process process often will be carried out to its bad position, and
Remaining workpiece is difficult to take out, and needs just to can be taken off by the release of next workpiece.Accordingly, it would be desirable to equal channel angular extrusion die
Structure be improved.
Utility model content
The purpose of this utility model is to provide a kind of equal channel angular extrusion die of optimization, solves of the prior art etc.
The problem that channel angular extrusion die is easily cracked in material preparation process.
The technical scheme adopted by this utility model is：A kind of equal channel angular extrusion die of optimization, including die, it is recessed
L-shaped passage is offered in mould, punch pressure ram, the top connection of punch pressure ram in the vertical passage of the L-shaped passage, is provided with
The side for having the film pressing device that punch pressure ram can be made to move up and down in the vertical passage of L-shaped passage, die is provided with and L
The squeezing passage that the interconnection of shape passage is connected, is provided with resistor slide block, one end of resistor slide block and L in the squeezing passage
The interconnection of shape passage is connected, and the other end of resistor slide block is connected with hydraulic means.
The characteristics of this utility model, also resides in：
Film pressing device includes the punch retainer being connected with punch pressure ram top, and the upper surface of punch retainer is connected with
Backing plate, the upper surface of backing plate are connected with upper bolster, and the upper surface of upper bolster is connected with die shank；Die is arranged on lower mold fixed plate
Upper surface, the lower surface of lower mold fixed plate are connected with cushion block, and cushion block is in turn mounted at the upper surface of die shoe；Die shoe and upper bolster
Between be provided with many set carriages, carriage includes the guide pillar on die shoe and leading of being connected with upper bolster
Set, guide pin bushing are socketed on corresponding guide pillar.
Backing plate both sides are symmetrically installed with two wedges, and lower mold fixed plate both sides are provided with for making wedge move up and down
Hole.
The upper surface of die is provided with die pressing plate, and the outer cover of die is equipped with die fixed cover, die fixed cover with it is recessed
Moulded board is connected by bolt.
Die to be arranged and be provided with two pieces of die slide blocks, two pieces of die slide blocks between the side of squeezing passage and lower mold fixed plate
Connected by spring.
The structure of hydraulic means is：Including hydraulic cylinder, overflow valve and fuel tank, plunger in hydraulic cylinder, is provided with, plunger stretches out
The outer end of hydraulic cylinder is connected with the other end of resistor slide block, and filter is provided with fuel tank, and hydraulic cylinder passes through oil pipe a and filter
It is connected, is located on oil pipe a and hydraulic pump is installed between hydraulic cylinder and filter, entrance and the oil pipe a of overflow valve is located at hydraulic cylinder
It is connected with the part of hydraulic pump, the outlet of overflow valve is connected with fuel tank by oil pipe b.
The beneficial effects of the utility model are：Modified model equal channel angular extrusion die of the present utility model, simple structure,
It is easy to use, by arranging a resistor slide block in die squeezing passage, and resistor slide block is connected with hydraulic means, to squeezing
Pressure workpiece applies dorsad pressure, easily occurs the problem of warping and cracking in being prevented effectively from material preparation process；By to die portion
Divide and fastened using die fixed cover, drastically increase its bearing capacity.
Description of the drawings
Fig. 1 is a kind of main structure diagram of the equal channel angular extrusion die of optimization of this utility model；
Fig. 2 is a kind of left view structural representation of the equal channel angular extrusion die of optimization of this utility model；
The hydraulic device structure schematic diagram that Fig. 3 is adopted by this utility model.
In figure, 1. die shank, 2. upper bolster, 3. backing plate, 4. punch retainer, 5. punch pressure ram, 6. wedge, 7. leads
Cover, 8. guide pillar, 9. die pressing plate, 10. die, 11. die fixed covers, 12. resistor slide blocks, 13. die slide blocks, 14. times moulds are solid
Fixed board, 15. cushion blocks, 16. die shoes, 17. extruding workpiece, 18. springs, 19. hydraulic cylinders, 20. overflow valves, 21. hydraulic pumps, 22.
Filter, 23. fuel tanks, 24. plungers.
Specific embodiment
This utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
A kind of equal channel angular extrusion die of optimization of the present utility model, it is as shown in Figure 1 and Figure 2, including die 10, recessed
L-shaped passage is offered in mould 10, punch pressure ram 5, the top of punch pressure ram 5 in the vertical passage of the L-shaped passage, is provided with
The film pressing device that punch pressure ram 5 can be made to move up and down in the vertical passage of L-shaped passage is connected with, the side of die 10 sets
The squeezing passage being connected with the interconnection of L-shaped passage is equipped with, the one of the interconnection of close L-shaped passage in the squeezing passage
End is provided with resistor slide block 12, and spring a13 is additionally provided with squeezing passage, and one end of spring a13 is connected with resistor slide block 12, bullet
The one end of the other end of spring a13 with squeezing passage away from the interconnection of L-shaped passage is connected.Film pressing device includes extruding with punch
The punch retainer 4 of 5 top of bar connection, the upper surface of punch retainer 4 are connected with backing plate 3, and the upper surface of backing plate 3 is connected with
Die holder 2, the upper surface of upper bolster 2 are connected with die shank 1；Die 10 is arranged on the upper surface of lower mold fixed plate 14, lower mold fixed plate
14 lower surface is connected with cushion block 15, and cushion block 15 is in turn mounted at the upper surface of die shoe 16；Set between die shoe 16 and upper bolster 2
It is equipped with, the guide pin bushing 7 that carriage is included the guide pillar 8 on die shoe 16 and is connected with upper bolster 2,
Guide pin bushing 7 is socketed on corresponding guide pillar 8.3 both sides of backing plate are symmetrically installed with two wedges 6, and 14 both sides of lower mold fixed plate are arranged
There is the hole for making wedge 6 move up and down.The upper surface of die 10 is provided with die pressing plate 9, and the outer cover of die 10 is equipped with
Die fixed cover 11, die fixed cover 11 are connected by bolt with die pressing plate 9.Die 10 arranges the side of squeezing passage with
Two pieces of die slide blocks 13 are provided between mould fixed plate 14, two pieces of die slide blocks 13 are connected by spring 18, specifically at two pieces
The corresponding position Chu Kaiyi holes of die slide block 13, are then put into spring 18 in the hole, the two ends of spring 18 directly with two pieces
Die slide block contacts, and recycles pin that die slide block 13 is coupled together with spring 18.
The structure of hydraulic means is：Including hydraulic cylinder 19, overflow valve 20 and fuel tank 23, in hydraulic cylinder 19, plunger is provided with
24, plunger 24 is stretched out the outer end of hydraulic cylinder 19 and is connected with the other end of resistor slide block 12, is provided with filter 22, liquid in fuel tank 23
Cylinder pressure 19 is connected with filter 22 by oil pipe a, is located at and is provided with hydraulic pump between hydraulic cylinder 19 and filter 22 on oil pipe a
21, the entrance of overflow valve 20 is connected with the part of hydraulic pump 21 positioned at hydraulic cylinder 19 with oil pipe a, and the outlet of overflow valve 20 passes through
Oil pipe b is connected with fuel tank 23.
The characteristics of this utility model, is as follows：
1. the resistor slide block 12 that dorsad pressure can be applied is set in the interconnection exit of L-shaped passage, resistor is slided
Block 12 is connected with the plunger 24 of hydraulic means, and hydraulic means can apply larger dorsad pressure, can fully meet extruding work
The requirement of desirable pressure intensity when part 17 is extruded.Hydraulic cylinder 19 is entered into when hydraulic pump 21 extracts liquid from fuel tank 23
Interior, liquid is to plunger 24 and then the pressure that applies to the left to resistor slide block 12；When punch pressure ram 5 makes extruding workpiece 17 move right
When moving and then making resistor slide block 12 move right, the liquid in hydraulic cylinder 19 can flow back into fuel tank by 20 Jing oil pipe b of overflow valve
In 23；During plunger 24 is moved extruding workpiece 17 can be made persistently to bear constant pressure, make sample deformation uniformity and cause
Close property is improved, but also can effectively reduce the probability of material damage and can be effectively prevented from extruding workpiece 17 in extruding
During direction tension stress on the inside of the die and crack and the defect such as stub bar warpage.
2. power to the left is had to extruding workpiece 17 using hydraulic means, after extruding workpiece 17 and completing extruding, punch extruding
Bar 5 is lifted up, and wedge 6 exits the hole of 14 both sides of lower mold fixed plate, and two pieces of die slide blocks 13 are under the restoring force of spring 18
Power separated from one another, now resistor slide block 12 being applied to the left by hydraulic cylinder again, along with extruding workpiece 17 gravity of itself,
The automatic discharging of extruding workpiece 17 is realized, solves the problems, such as that sample is easily stuck in mould.
3. female mold part is fastened using die fixed cover 11, this addresses the problem the limited problem of screw fastening force.Using
After fixed cover, its ability for bearing load can be greatly improved, and calculate which according to the thick cylinder formula for bearing uniform internal pressure power and carry energy
Power is about 11 times of screw fastening force, it is to avoid mould crack occurs because of adhesion deficiency, affects the generation of workpiece flashes.
4. guide pillar guide pin bushing is adopted, moves can punch pressure ram 5 more accurate, it is to avoid occurred due to punch pressure ram 5
The inaccurate phenomenon for squeezing off which of motion.
5. the plunger 24 because of punch pressure ram 5 when just starting to extrude workpiece in hydraulic cylinder 19 can be produced to workpiece
Dorsad pressure, therefore can complete, under 19 length constraints of hydraulic cylinder, to extrude the workpiece of different length.
Claims (6)
1. a kind of equal channel angular extrusion die of optimization, it is characterised in that including offering L in die (10), die (10)
Shape passage, is provided with punch pressure ram (5) in the vertical passage of the L-shaped passage, the top of punch pressure ram (5) is connected with can
The film pressing device for making punch pressure ram (5) move up and down in the vertical passage of L-shaped passage, the side of the die (10) are arranged
There is the squeezing passage being connected with the interconnection of the L-shaped passage, in the squeezing passage, be provided with resistor slide block (12), resistor
One end of slide block (12) is connected with the interconnection of L-shaped passage, and the other end of resistor slide block (12) is connected with hydraulic means.
2. a kind of equal channel angular extrusion die of optimization according to claim 1, it is characterised in that the film pressing device
Including the punch retainer (4) being connected with punch pressure ram (5) top, the upper surface of punch retainer (4) is connected with pad
Plate (3), the upper surface of backing plate (3) are connected with upper bolster (2), and the upper surface of upper bolster (2) is connected with die shank (1)；The die
(10) installed in the upper surface of lower mold fixed plate (14), the lower surface of lower mold fixed plate (14) is connected with cushion block (15), cushion block
(15) it is in turn mounted at the upper surface of die shoe (16)；Many set slip dresses are provided between die shoe (16) and the upper bolster (2)
Put, the guide pin bushing (7) that carriage is included the guide pillar (8) on die shoe (16) and is connected with upper bolster (2), guide pin bushing
(7) it is socketed on corresponding guide pillar (8).
3. a kind of equal channel angular extrusion die of optimization according to claim 2, it is characterised in that the backing plate (3)
Both sides are symmetrically installed with two wedges (6), and lower mold fixed plate (14) both sides are provided with for making wedge (6) transport up and down
Dynamic hole.
4. a kind of equal channel angular extrusion die of optimization according to claim 2, it is characterised in that the die (10)
Upper surface die pressing plate (9) is installed, the outer cover of die (10) is equipped with die fixed cover (11), die fixed cover (11) with
Die pressing plate (9) is connected by bolt.
5. a kind of equal channel angular extrusion die of optimization according to claim 2, it is characterised in that the die (10)
Arrange two pieces of die slide blocks (13), two pieces of die slide blocks (13) are provided between the side of squeezing passage and lower mold fixed plate (14)
Connected by spring (18).
6. a kind of equal channel angular extrusion die of the optimization according to any one of claim 1-5, it is characterised in that institute
The structure for stating hydraulic means is：Including hydraulic cylinder (19), overflow valve (20) and fuel tank (23), hydraulic cylinder (19) is interior to be provided with plunger
(24), plunger (24) is stretched out the outer end of hydraulic cylinder (19) and is connected with the other end of the resistor slide block (12), is set in fuel tank (23)
Filter (22) is equipped with, hydraulic cylinder (19) is connected with filter (22) by oil pipe a, on oil pipe a, is located at hydraulic cylinder (19) and mistake
Hydraulic pump (21) is installed between filter (22), entrance and the oil pipe a of the overflow valve (20) are located at hydraulic cylinder (19) and hydraulic pressure
The part of pump (21) is connected, and the outlet of overflow valve (20) is connected with fuel tank (23) by oil pipe b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069048.9U CN206046686U (en) | 2016-09-21 | 2016-09-21 | A kind of equal channel angular extrusion die of optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069048.9U CN206046686U (en) | 2016-09-21 | 2016-09-21 | A kind of equal channel angular extrusion die of optimization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206046686U true CN206046686U (en) | 2017-03-29 |
Family
ID=58365907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069048.9U Expired - Fee Related CN206046686U (en) | 2016-09-21 | 2016-09-21 | A kind of equal channel angular extrusion die of optimization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206046686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919006A (en) * | 2019-12-06 | 2020-03-27 | 东北大学 | Controllable back pressure metal powder equal-channel angular extrusion device and method |
| CN113399487A (en) * | 2021-03-10 | 2021-09-17 | 沈阳航空航天大学 | Extrusion die capable of heating 120-degree corner for magnesium alloy and aluminum alloy |
-
2016
- 2016-09-21 CN CN201621069048.9U patent/CN206046686U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919006A (en) * | 2019-12-06 | 2020-03-27 | 东北大学 | Controllable back pressure metal powder equal-channel angular extrusion device and method |
| CN110919006B (en) * | 2019-12-06 | 2021-12-07 | 东北大学 | Controllable back pressure metal powder equal-channel angular extrusion device and method |
| CN113399487A (en) * | 2021-03-10 | 2021-09-17 | 沈阳航空航天大学 | Extrusion die capable of heating 120-degree corner for magnesium alloy and aluminum alloy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170921 |