CN204135096U - Oil injector body obliterated extrusion mould - Google Patents
Oil injector body obliterated extrusion mould Download PDFInfo
- Publication number
- CN204135096U CN204135096U CN201420520759.8U CN201420520759U CN204135096U CN 204135096 U CN204135096 U CN 204135096U CN 201420520759 U CN201420520759 U CN 201420520759U CN 204135096 U CN204135096 U CN 204135096U
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- counterdie
- lower mold
- portable plate
- trim ring
- punch
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Abstract
The utility model belongs to technical field of mold, relates to a kind of oil injector body obliterated extrusion mould.Solve the technical problem that prior art mold clamping force is low.It comprises upper die component and lower mold assemblies; described upper die component comprises top mold frame and is installed in the upper punch in top mold frame; Upper Die-sleeve to be located on upper punch and to be fixedly connected with top mold frame; the low punch that described lower mold assemblies comprises lower mold holder and is fixedly connected with lower mold holder; described lower mold holder is also connected with a counterdie portable plate; described counterdie portable plate is on the lower punch sheathed; when upper die component and lower mold assemblies matched moulds, described counterdie portable plate can move back and forth up and down along the axial line of low punch thus change the distance between upper punch and low punch.The utility model have mold clamping force high, join the good advantage of adaptive.
Description
Technical field
The utility model belongs to technical field of mold, relates to a kind of cold extruding die, particularly relates to a kind of oil injector body obliterated extrusion mould.
Background technology
Cold extrusion is placed on metal blank in cold extrusion die cavity exactly, at room temperature, applies pressure by punch fixing on forcing press to blank, makes metal blank produce the processing method of plastic deformation and obtained part.At present, China can to plumbous, tin, the metals such as aluminium, copper, zinc and alloy thereof, mild steel, medium carbon steel, tool steel, low-alloy steel and stainless steel carry out cold extrusion, even also can carry out the cold extrusion of certain deflection to bearing steel, high-carbon high-aluminium alloy tool steel, high-speed steel etc.
Existing cold extruding die comprises upper die and lower die; drift is located in patrix or counterdie; also in upper die and lower die, all drift can be set; form die cavity between upper die and lower die and drift, workpiece to be extruded is put in die cavity, extruded to workpiece after upper die and lower die matched moulds; the mold clamping force of the extruded main dependence upper die and lower die of workpiece is formed; mold clamping force plays vital effect to the shaping of workpiece, is not related to the surface flatness having influence on workpiece, also has impact to workpiece strength.Existing patrix when with counterdie matched moulds, on patrix direct effect and counterdie, according to the effect of press to patrix, patrix directly with counterdie matched moulds, at the matched moulds initial stage, the drift in patrix all the time in slow decline, until finally and counterdie matched moulds, drift stop motion.In matched moulds process, due to the motion of patrix, the pressure that the drift in patrix will provide much smaller than press the pressure of workpiece, namely mold clamping force is less than the pressure of press.Therefore how to improve mold clamping force and become the key issue instantly needing to solve.
In order to overcome the deficiencies in the prior art, people have passed through continuous exploration, propose various solution, as Chinese patent literature discloses a kind of cold extrusion mould for reverse-neutral gear teeth of automobile gearbox [application number: 201120203683.2], it comprises upper bolster and die shoe, upper bolster is provided with cold extrusion patrix, upper bolster arranges upper padding plate, cold extrusion patrix is arranged on below upper padding plate; Below cold extrusion patrix, correspondence arranges cold extrusion counterdie, and the die cavity of cold extrusion patrix and cold extrusion counterdie forms cold extrusion die cavity after matched moulds; Described cold extrusion counterdie is arranged on die shoe.
Such scheme cold extrusion die, the mode combined by cold forging, forge hot, just can manufacture automobile gearbox turned letter shelves gear by the method for forging, formed precision is high, reduces the cost of part.But the cold extrusion counterdie of the program is arranged on die shoe; be fixedly connected with die shoe, cold extrusion patrix is then fixedly connected with upper bolster, and therefore the position of patrix or counterdie can not adjust; be matched moulds after patrix contacts with counterdie, mold clamping force can not effectively improve.
Utility model content
The purpose of this utility model is for the problems referred to above, the oil injector body obliterated extrusion mould providing a kind of mold clamping force high.
For achieving the above object, the utility model have employed following technical proposal: a kind of oil injector body obliterated extrusion mould, comprise upper die component and lower mold assemblies, described upper die component comprises top mold frame and is installed in the upper punch in top mold frame, Upper Die-sleeve to be located on upper punch and to be fixedly connected with top mold frame, the low punch that described lower mold assemblies comprises lower mold holder and is fixedly connected with lower mold holder, described lower mold holder is also connected with a counterdie portable plate assembly, described counterdie portable plate assembly is on the lower punch sheathed, when upper die component and lower mold assemblies matched moulds, described counterdie portable plate assembly can move back and forth up and down along the axial line of low punch thus change the distance between upper punch and low punch.
In above-mentioned oil injector body obliterated extrusion mould; described counterdie portable plate assembly comprises the counterdie portable plate be flexibly connected with lower mold holder; described counterdie portable plate is installed with counterdie; described lower die-sleeve is established on the lower punch; counterdie portable plate is pressed on hydraulic actuator, and counterdie portable plate can be driven along the axial line oscilaltion of low punch for described hydraulic actuator and hydraulic actuator is fixedly connected with lower mold holder.
In above-mentioned oil injector body obliterated extrusion mould; described hydraulic actuator comprises the hydraulic cylinder be installed on lower mold holder; the piston of described hydraulic cylinder and the lower surface of counterdie portable plate are connected, and lower mold holder is provided with and enters the oil-in of hydraulic cylinder and the oil drain out for hydraulic oil exudate cylinder pressure for hydraulic oil.
In above-mentioned oil injector body obliterated extrusion mould, described piston is the tubular of hollow, and the axial line of piston, low punch and counterdie portable plate overlaps.
In above-mentioned oil injector body obliterated extrusion mould, be provided with one between described lower mold holder and counterdie portable plate and counterdie portable plate can be allowed along the guiding mechanism moved axially of low punch.
In above-mentioned oil injector body obliterated extrusion mould; described guiding mechanism comprises some guide posts being fixed on lower mold holder; described guide post is evenly arranged along the circumference of lower mold holder; counterdie portable plate is on a guide sheathed and be flexibly connected with guide post; the end of guide post is bolted with for stopping that counterdie portable plate skids off the setscrew nut of guide post, and described setscrew nut is positioned at above counterdie portable plate.
In above-mentioned oil injector body obliterated extrusion mould, described patrix is dismountable split-type structural, comprises the upper internal mold and upper external mold that removably connect with bolt, upper internal mold and top mold frame affixed, upper punch is located in internal mold.
In above-mentioned oil injector body obliterated extrusion mould, also comprise mould concentricity detent mechanism, described mould concentricity detent mechanism comprises the patrix trim ring be set on internal mold and the counterdie trim ring be set on counterdie, patrix trim ring and upper internal mold fit tightly, counterdie trim ring and counterdie fit tightly, described patrix trim ring and top mold frame affixed, described counterdie trim ring and lower mold holder affixed, described upper internal mold by clamp and patrix trim ring dismountable affixed, described counterdie by clamp and counterdie trim ring dismountable affixed.
In above-mentioned oil injector body obliterated extrusion mould, described patrix trim ring and counterdie trim ring are provided with annular groove, described clamp has several and is uniformly distributed along the circumference of patrix trim ring and/or counterdie trim ring respectively, clamp one end and patrix trim ring and/or counterdie trim ring affixed, the other end snap onto in annular groove make internal mold and patrix trim ring is affixed and/or counterdie and counterdie trim ring affixed.
In above-mentioned oil injector body obliterated extrusion mould, also dismountablely on described lower mold holder be connected with a ram block assembly, described ram block assembly comprises the lump removably connected with lower mold holder bolt, lump has been installed with cushion block and cushion block be inserted in lower mold holder with lower mold holder compact siro spinning technology, low punch is pressed on cushion block.
Compared with prior art, the utility model has the advantage of:
1, the setting of hydraulic actuator, can improve the mold clamping force of extruding, and make the smooth surface of extrusion, intensity is high;
2, when extruding, the distance of upper punch and low punch is adjustable, and be applicable to the extrusion process of the workpiece of different size, what improve mould joins adaptive.
Accompanying drawing explanation
Fig. 1 is the structure chart that the utility model provides;
Structural representation when Fig. 2 is utility model works.
In figure: extrusion 1, top mold frame 10, upper punch 11, patrix 12, upper internal mold 121, upper external mold 122, lower mold holder 20, low punch 21, counterdie portable plate assembly 22, counterdie portable plate 221, counterdie 222, hydraulic actuator 30, hydraulic cylinder 31, piston 32, oil-in 33, oil drain out 34, guiding mechanism 40, guide post 41, setscrew nut 42, mould concentricity detent mechanism 50, patrix trim ring 51, counterdie trim ring 52, clamp 53, annular groove 54, ram block assembly 60, lump 61, cushion block 62, upper die component 100, lower mold assemblies 200.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, a kind of oil injector body obliterated extrusion mould, comprise upper die component 100 and lower mold assemblies 200, the upper punch 11 that described upper die component 100 comprises top mold frame 10 and is installed in top mold frame 10, patrix 12 to be set on upper punch 11 and to be fixedly connected with top mold frame 10, the low punch 21 that described lower mold assemblies 200 comprises lower mold holder 20 and is fixedly connected with lower mold holder 20, described lower mold holder 20 is also connected with a counterdie portable plate assembly 22, described counterdie portable plate assembly 22 is set on low punch 21, when upper die component 100 and lower mold assemblies 200 matched moulds, described counterdie portable plate assembly 22 can move back and forth up and down along the axial line of low punch 21 thus change the distance between upper punch 11 and low punch 21, and when counterdie portable plate assembly 22 contacts with upper die component 100, counterdie portable plate assembly 22 can form active force to upper die component 100.
Patrix 12 is dismountable split-type structural, comprises the upper internal mold 121 and upper external mold 122 that removably connect with bolt, and upper internal mold 121 is affixed with top mold frame 10, and upper punch 11 is located in internal mold 121.The split-type structural that upper internal mold 121 and upper external mold 122 are, is convenient to dismounting and maintenance, is also convenient to the extrusion processing different size.
Counterdie portable plate assembly 22 comprises the counterdie portable plate 221 be flexibly connected with lower mold holder 20; described counterdie portable plate 221 is installed with counterdie 222; described counterdie 222 is set on low punch 21; counterdie portable plate 221 is pressed on hydraulic actuator 30, and counterdie portable plate 221 can be driven along the axial line oscilaltion of low punch 21 for described hydraulic actuator 30 and hydraulic actuator 30 is fixedly connected with lower mold holder 20.
Also comprise mould concentricity detent mechanism 50, described mould concentricity detent mechanism 50 comprises the patrix trim ring 51 be set on internal mold 121 and the counterdie trim ring 52 be set on counterdie 222, patrix trim ring 51 and upper internal mold 121 fit tightly, counterdie trim ring 52 and counterdie 222 fit tightly, described patrix trim ring 51 is affixed with top mold frame 10, described counterdie trim ring 52 is affixed with lower mold holder 20, described upper internal mold 121 is dismountable affixed by clamp 53 and patrix trim ring 51, and described counterdie 222 is dismountable affixed by clamp 53 and counterdie trim ring 52.
Being provided with one between lower mold holder 20 and counterdie portable plate 221 can allow counterdie portable plate 221 along the guiding mechanism 40 moved axially of low punch 21.The effect of guiding mechanism ensures that counterdie portable plate 221 can be that straight line moves back and forth along the axial line of low punch 21.
Hydraulic actuator 30 comprises the hydraulic cylinder 31 be installed on lower mold holder 20; the piston 32 of described hydraulic cylinder 31 is connected with the lower surface of counterdie portable plate 221, and lower mold holder 20 is provided with and enters the oil-in 33 of hydraulic cylinder 31 and the oil drain out 34 for hydraulic oil exudate cylinder pressure 31 for hydraulic oil.In the present embodiment; the tubular of piston 32 in hollow, and the axial line of piston 32, low punch 21 and counterdie portable plate 221 overlaps, thus ensure that extrusion die axiality; when processing extrusion, pressure energy is linearly done in on extrusion, ensures axiality and the precision of extrusion.
Guiding mechanism 40 comprises some guide posts 41 being fixed on lower mold holder 20; described guide post 41 is evenly arranged along the circumference of lower mold holder 20; counterdie portable plate 221 is on a guide sheathed and be flexibly connected with guide post 41; the end of guide post 41 is bolted with for stopping that counterdie portable plate 221 skids off the setscrew nut 42 of guide post 41, and described setscrew nut 42 is positioned at above counterdie portable plate 221.
Patrix trim ring 51 and counterdie trim ring 52 are provided with annular groove 54, described clamp 53 has several and is uniformly distributed along the circumference of patrix trim ring 51 and/or counterdie trim ring 52 respectively, clamp 53 one end and patrix trim ring 51 and/or counterdie trim ring 52 affixed, the other end snaps onto in annular groove 54 and makes that internal mold 121 and patrix trim ring 51 are affixed and/or counterdie 222 is affixed with counterdie trim ring 52.
Also dismountablely on lower mold holder 20 be connected with a ram block assembly 60, ram block assembly 60 is for improving the bearing capacity of low punch 21.Described ram block assembly 60 comprises the lump 61 removably connected with lower mold holder 20 bolt, lump 61 has been installed with cushion block 62 and cushion block 62 be inserted in lower mold holder 20 with lower mold holder 20 compact siro spinning technology, low punch 21 is pressed on cushion block 62.
Operation principle of the present utility model is:
As shown in Figure 2, upper punch 11, low punch 21, cavity between patrix 12 and counterdie 222 form die cavity, and extrusion 1 is placed in die cavity.Under normal circumstances, extrusion 1 is placed on the low punch 21 in counterdie 222, is convenient to location.
When carrying out extruding work, top mold frame 10 is toward pressing down, and after contact lower mold holder 20, compressing is down moved, and namely top mold frame 10 and lower mold holder 20 are synchronized with the movement.In this process, patrix 12 and counterdie 222 realize matched moulds, when lower mold holder 20 moves down, then shorten the distance between upper punch 11 and low punch 21, also make extrusion 1 be extruded in die cavity and fill up die cavity, thus it is extruded to realize cold-stamped.
The decline process of lower mold holder 20 is slowly carried out, by the active force of piston 32 pairs of lower mold holders 20 of hydraulic cylinder 31, this active force is less than the pressure that top mold frame 10 is subject to, lower mold holder 20 slowly declines, according to the action and reaction principle of power, the active force of piston 32 is mold clamping force, by adjustment hydraulic cylinder 31, the power output of piston 32 can be adjusted, thus improve mold clamping force.
Because lower mold holder 20 can be elevated, the distance therefore between upper punch 11 and low punch 21 is adjustable, thus can regulate the size of die cavity, and be applicable to the cold extrusion shaped of the extrusion 1 of different size, applicability is larger.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ top mold frame 10 herein, upper punch 11, patrix 12, upper internal mold 121, upper external mold 122, lower mold holder 20, low punch 21, counterdie portable plate assembly 22, counterdie portable plate 221, counterdie 222, hydraulic actuator 30, hydraulic cylinder 31, piston 32, oil-in 33, oil drain out 34, guiding mechanism 40, guide post 41, setscrew nut 42, mould concentricity detent mechanism 50, patrix trim ring 51, counterdie trim ring 52, clamp 53, annular groove 54, ram block assembly 60, lump 61, cushion block 62, upper die component 100, term such as lower mold assemblies 200 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. an oil injector body obliterated extrusion mould, comprise upper die component (100) and lower mold assemblies (200), described upper die component (100) comprises top mold frame (10) and is installed in the upper punch (11) in top mold frame (10), patrix (12) is set in upper punch (11) and goes up and be fixedly connected with top mold frame (10), it is characterized in that, the low punch (21) that described lower mold assemblies (200) comprises lower mold holder (20) and is fixedly connected with lower mold holder (20), described lower mold holder (20) is also connected with a counterdie portable plate assembly (22), described counterdie portable plate assembly (22) is set on low punch (21), when upper die component (100) and lower mold assemblies (200) matched moulds, described counterdie portable plate assembly (22) can move back and forth up and down along the axial line of low punch (21) thus change the distance between upper punch (11) and low punch (21).
2. oil injector body obliterated extrusion mould according to claim 1, it is characterized in that, described counterdie portable plate assembly (22) comprises the counterdie portable plate (221) be flexibly connected with lower mold holder (20), described counterdie portable plate (221) is installed with counterdie (222), described counterdie (222) is set on low punch (21), counterdie portable plate (221) is pressed on hydraulic actuator (30), counterdie portable plate (221) can be driven along the axial line oscilaltion of low punch (21) for described hydraulic actuator (30) and hydraulic actuator (30) is fixedly connected with lower mold holder (20).
3. oil injector body obliterated extrusion mould according to claim 2; it is characterized in that; described hydraulic actuator (30) comprises the hydraulic cylinder (31) be installed on lower mold holder (20); the piston (32) of described hydraulic cylinder (31) and the lower surface of counterdie portable plate (221) are connected, and lower mold holder (20) is provided with and enters the oil-in (33) of hydraulic cylinder (31) and the oil drain out (34) for hydraulic oil exudate cylinder pressure (31) for hydraulic oil.
4. oil injector body obliterated extrusion mould according to claim 3; it is characterized in that; described piston (32) tubular in hollow, the axial line of piston (32), low punch (21) and counterdie portable plate (221) overlaps.
5. the oil injector body obliterated extrusion mould according to claim 1 or 2 or 3 or 4; it is characterized in that, be provided with one between described lower mold holder (20) and counterdie portable plate (221) and counterdie portable plate (221) can be allowed along the guiding mechanism (40) moved axially of low punch (21).
6. oil injector body obliterated extrusion mould according to claim 5, it is characterized in that, described guiding mechanism (40) comprises some guide posts (41) being fixed on lower mold holder (20), described guide post (41) is evenly arranged along the circumference of lower mold holder (20), counterdie portable plate (221) is on a guide sheathed and be flexibly connected with guide post (41), the end of guide post (41) is bolted with for stopping that counterdie portable plate (221) skids off the setscrew nut (42) of guide post (41), described setscrew nut (42) is positioned at counterdie portable plate (221) top.
7. the oil injector body obliterated extrusion mould according to Claims 2 or 3 or 4, it is characterized in that, described patrix (12) is dismountable split-type structural, comprise the upper internal mold (121) and upper external mold (122) that removably connect with bolt, upper internal mold (121) is affixed with top mold frame (10), and upper punch (11) is located in internal mold (121).
8. oil injector body obliterated extrusion mould according to claim 7, it is characterized in that, also comprise mould concentricity detent mechanism (50), described mould concentricity detent mechanism (50) comprises the patrix trim ring (51) be set on internal mold (121) and the counterdie trim ring (52) be set on counterdie (222), patrix trim ring (51) and upper internal mold (121) fit tightly, counterdie trim ring (52) and counterdie (222) fit tightly, described patrix trim ring (51) is affixed with top mold frame (10), described counterdie trim ring (52) is affixed with lower mold holder (20), described upper internal mold (121) is dismountable affixed by clamp (53) and patrix trim ring (51), described counterdie (222) is dismountable affixed by clamp (53) and counterdie trim ring (52).
9. oil injector body obliterated extrusion mould according to claim 8, it is characterized in that, described patrix trim ring (51) and counterdie trim ring (52) are provided with annular groove (54), described clamp (53) has several and is uniformly distributed along the circumference of patrix trim ring (51) and/or counterdie trim ring (52) respectively, clamp (53) one end and patrix trim ring (51) and/or counterdie trim ring (52) affixed, the other end snaps onto in annular groove (54) and makes that internal mold (121) and patrix trim ring (51) are affixed and/or counterdie (222) is affixed with counterdie trim ring (52).
10. the oil injector body obliterated extrusion mould according to claim 1 or 2 or 3 or 4, it is characterized in that, described lower mold holder (20) is above also dismountable is connected with a ram block assembly (60), described ram block assembly (60) comprises the lump (61) removably connected with bolt with lower mold holder (20), lump (61) has been installed with cushion block (62) and cushion block (62) be inserted in lower mold holder (20) with lower mold holder (20) compact siro spinning technology, low punch (21) is pressed on cushion block (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520759.8U CN204135096U (en) | 2014-09-11 | 2014-09-11 | Oil injector body obliterated extrusion mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520759.8U CN204135096U (en) | 2014-09-11 | 2014-09-11 | Oil injector body obliterated extrusion mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204135096U true CN204135096U (en) | 2015-02-04 |
Family
ID=52411814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420520759.8U Withdrawn - After Issue CN204135096U (en) | 2014-09-11 | 2014-09-11 | Oil injector body obliterated extrusion mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204135096U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226707A (en) * | 2014-09-11 | 2014-12-24 | 浙江三维大通冷挤压有限公司 | Closed extrusion die for fuel injector body |
| CN108421947A (en) * | 2018-04-27 | 2018-08-21 | 江苏大洋精锻有限公司 | A kind of enclosed forge die |
| CN111558694A (en) * | 2020-05-19 | 2020-08-21 | 扬州江峰机械制造有限公司 | Die capable of being quickly positioned and preventing looseness for casting engine cylinder head |
-
2014
- 2014-09-11 CN CN201420520759.8U patent/CN204135096U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226707A (en) * | 2014-09-11 | 2014-12-24 | 浙江三维大通冷挤压有限公司 | Closed extrusion die for fuel injector body |
| CN108421947A (en) * | 2018-04-27 | 2018-08-21 | 江苏大洋精锻有限公司 | A kind of enclosed forge die |
| CN111558694A (en) * | 2020-05-19 | 2020-08-21 | 扬州江峰机械制造有限公司 | Die capable of being quickly positioned and preventing looseness for casting engine cylinder head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150204 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned |