CN102794327A - Mold for extrusion forming of engine valve rotating mechanism base - Google Patents
Mold for extrusion forming of engine valve rotating mechanism base Download PDFInfo
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- CN102794327A CN102794327A CN2012103010006A CN201210301000A CN102794327A CN 102794327 A CN102794327 A CN 102794327A CN 2012103010006 A CN2012103010006 A CN 2012103010006A CN 201210301000 A CN201210301000 A CN 201210301000A CN 102794327 A CN102794327 A CN 102794327A
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Abstract
The invention discloses a mold for extrusion forming of an engine valve rotating mechanism base. The mold comprises an upper mold part and a lower mold part. The upper mold part comprises an upper mold plate, an upper mold body, a support base, a trimmer screw, guide sleeves, an upper mold installation nut and an upper mold. The upper mold body is fixed to the upper mold plate. The upper mold is installed on an end surface of the top of the upper mold body by the upper mold installation nut. The support base is fixed to the upper mold plate by screws. The two guide sleeves are respectively fixed in guide sleeve holes of the upper mold plate. The lower mold part comprises a lower mold plate, a lower mold base, an ejector, an ejector sleeve, a lower mold cushion, a lower mold, a lower mold sleeve, guide pillars and a lower mold pressing plate. The ejector is installed at the bottom of an ejector installation hole in the lower mold base by screws. The lower mold base is installed on the lower mold plate by screws. The ejector sleeve is installed on a core rod of the ejector. The lower mold cushion is installed on a fixing plate in the ejector. The lower mold sleeve and the lower mold are fixed to the lower mold base by the lower mold pressing plate and screws. The two guide pillars are respectively and fixedly installed in guide pillar holes in the lower mold base.
Description
Technical field
The present invention relates to the extrusion molding dies in the field of machining, particularly a kind of engine valve rotating mechanism base is squeezed into pattern.
Background technology
Valve rotating mechanism is a significant components in the engine valve actuating mechanism; Valve is in the course of the work as if producing uniformly, rotatablely moving slowly; Can make the valve temperature even; Also can clear away the carbon distribution on the conical surface and the valve stem, like this, not only can improve the lubricating condition of valve stem but also also all very favourable for the thermal conductivity of improving valve seating and conduit.Therefore valve-face just is difficult for producing bad phenomenon such as corrosive wear and wearing and tearing are inhomogeneous.Adopt valve rotating mechanism often can make the useful life of valve improve 2～5 times, belong to a kind of environmentally friendly machine.
Engine valve rotating mechanism base is like accompanying drawing 7, shown in 8; On base body 18, be provided with six trajectory groove 18-1 that are used for installing steel ball and return spring; Six trajectory groove 18-1 are evenly distributed on the end face of base body 18, and the cross section of trajectory groove 18-1 is a circular arc.
At present, the processing of engine valve rotating mechanism base all is to adopt hydraulic press to be squeezed into the finished product blank, is machined to the size of requirement again, is assembled into finished product at last, and this is a kind of very traditional processing method.There is a lot of deficiencies in above-mentioned processing method, and the one, waste material, working strength of workers are big; The 2nd, low, the unstable product quality of production efficiency.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and provide a kind of engine valve rotating mechanism base to be squeezed into pattern.
Technical scheme of the present invention is: a kind of engine valve rotating mechanism base is squeezed into pattern, and it is made up of part of the upper die and part of the lower die.
The part of the upper die comprises: cope match-plate pattern, upper die body, supporting base, micrometer adjusting screw, guide pin bushing, patrix are installed nut and patrix.
Described patrix is provided with six trajectory groove extrusion dies, and six trajectory groove extrusion dies are evenly arranged on the patrix.
Upper die body is fixed on the center of cope match-plate pattern through screw, and upper die body top cylindrical is provided with patrix the external screw thread that nut cooperates is installed, and patrix is installed nut through patrix and is installed on the end face on upper die body top, and and upper die body be connected as a single entity.Supporting base is fixed on the cope match-plate pattern through screw, and the micrometer adjusting screw on the supporting base is used to finely tune the installation site of upper die body, guarantees that the patrix on the upper die body is coaxial with counterdie.On cope match-plate pattern, be provided with two guide pin bushings, guide pin bushing is separately fixed in the dowel hole of cope match-plate pattern.
The part of the lower die comprises lower bolster, die shoe, Lifting Device, top cover, following die-cushion, counterdie, lower die-sleeve, guide pillar and following moulded board.
Described counterdie is provided with the base die cavity, and the profile and the appearance and size design of engine valve rotating mechanism base pressed in the die bed chamber.
Described Lifting Device is made up of gripper shoe, push rod, die pad, counterdie backing plate, fixed head, ejector beam and core bar.
Push rod is installed in the push rod installing hole of gripper shoe bottom; Die pad is installed in the die pad installing hole of gripper shoe; And be pressed on the push rod, core bar is installed in the core bar installing hole on the fixed head through interference fit, and counterdie backing plate and fixed head are fixed on the gripper shoe top end through soket head cap screw; Three ejector beams are installed in respectively in the ejector beam installing hole on counterdie backing plate and the fixed head, adopt movingly between the ejector beam installing hole on ejector beam and counterdie backing plate and the fixed head.
Lifting Device is installed in the bottom of the Lifting Device installing hole on the die shoe body through screw, and die shoe is installed on the lower bolster through screw, and the push rod installing hole on the lower bolster body is passed in the push rod lower end on the Lifting Device.The top cover is installed on the core bar in the Lifting Device, adopts movingly between top cover and the core bar.Following die-cushion is installed on the fixed head in the Lifting Device, adopts movingly between the external cylindrical surface of top cover and the installing hole on the counterdie pad body.Counterdie is installed in down on the die-cushion, adopts movingly between the external cylindrical surface on liftout hole on the following mould body and cover top, top.Lower die-sleeve is sleeved on down on the external cylindrical surface on the mould body, and the external cylindrical surface on lower die-sleeve and the following mould body adopts interference fit.Following moulded board is fixed on the die shoe through screw, and the endoporus of following moulded board and the cylindrical of lower die-sleeve adopt taper fit, through following moulded board lower die-sleeve and counterdie is pressed on down on the end face of die-cushion.Two guide pillars are fixedly mounted on respectively in the guide pillar hole on the die shoe, join with the guide pin bushing cunning that is installed on the cope match-plate pattern, to realize the accurate location of mould up and down.
During work; Cope match-plate pattern is fixed by bolts to the center of hydraulic press slide block, and lower bolster is fixed by bolts to the center of hydraulic press workbench, the blank that processes is put into the die cavity of counterdie; Push through the downslide of hydraulic press slide block, extrusion modling goes out engine valve rotating mechanism base.The push rod lower end of Lifting Device connects the pressure output system of hydraulic press, overlaps the engine valve rotating mechanism base that moves upward extrusion modling through pressure output system promotion push rod drive die pad, ejector beam and the top of hydraulic press and ejects.
The present invention compared with prior art has following characteristics:
1, extrusion molding dies provided by the invention adopts disposable extrusion modling to engine valve rotating mechanism base; The engine valve rotating mechanism base that squeezes out need not carry out working procedure processing such as face work, car overlap and chamfering; Improved production efficiency; Reduce labour intensity, practiced thrift material.
2, the engine valve rotating mechanism base high conformity that squeezes out, qualification rate is high.
3, can select different upper die and lower die, top cover and core bar according to the engine valve rotating mechanism base size of different size, it is very convenient to change upper die and lower die, top cover and core bar.
Below in conjunction with the accompanying drawing and the specific embodiment detailed structure of the present invention is further described.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the structural representation of last die head;
Accompanying drawing 3 is the A-A cutaway view in the accompanying drawing 2;
Accompanying drawing 4 is the structural representation of lower die head;
Accompanying drawing 5 is the B-B cutaway view in the accompanying drawing 4;
Accompanying drawing 6 is the structural representation of Lifting Device;
Accompanying drawing 7 is the structural representation of engine valve rotating mechanism base;
Accompanying drawing 8 is the C-C cutaway view in the accompanying drawing 7.
The specific embodiment
A kind of engine valve rotating mechanism base is squeezed into pattern, and it is made up of part of the upper die and part of the lower die.
The part of the upper die comprises: cope match-plate pattern 1, upper die body 2, supporting base 3, micrometer adjusting screw 4, guide pin bushing 5, patrix are installed nut 6 and patrix 7.
Described patrix 7 is provided with six trajectory groove extrusion die 7-1, and six trajectory groove extrusion die 7-1 are evenly arranged on the patrix 7.
Upper die body 2 is fixed on the center of cope match-plate pattern 1 through screw, and upper die body 2 top cylindricals are provided with patrix the external screw thread that nut 6 cooperates is installed, and patrix 7 is installed nut 6 through patrix and is installed on the end face on upper die body 2 tops, and and upper die body 2 be connected as a single entity.Supporting base 3 is fixed on the cope match-plate pattern 1 through screw, and the micrometer adjusting screw 4 on the supporting base 3 is used to finely tune the installation site of upper die body 2, guarantees that the patrix 7 on the upper die body 2 is coaxial with counterdie 13.On cope match-plate pattern 1, be provided with two guide pin bushings 5, guide pin bushing 5 is separately fixed in the dowel hole of cope match-plate pattern 1.
The part of the lower die comprises lower bolster 8, die shoe 9, Lifting Device 10, top cover 11, following die-cushion 12, counterdie 13, lower die-sleeve 14, guide pillar 15 and following moulded board 16.
Described counterdie 13 is provided with base die cavity 13-1, and die bed chamber 13-1 presses the profile and the appearance and size design of engine valve rotating mechanism base.
Described Lifting Device 10 is made up of gripper shoe 10-1, push rod 10-2, die pad 10-3, counterdie backing plate 10-4, fixed head 10-5, ejector beam 10-6 and core bar 10-7.
Push rod 10-2 is installed in the push rod installing hole of gripper shoe 10-1 bottom; Die pad 10-3 is installed in the die pad installing hole of gripper shoe 10-1; And be pressed on the push rod 10-2; Core bar 10-7 is installed in the core bar installing hole on the fixed head 10-5 through interference fit; Counterdie backing plate 10-4 and fixed head 10-5 are fixed on the gripper shoe 10-1 top end through soket head cap screw, and three ejector beam 10-6 are installed in respectively in the ejector beam installing hole on counterdie backing plate 10-4 and the fixed head 10-5, adopt movingly between the ejector beam installing hole on ejector beam 10-6 and counterdie backing plate 10-4 and the fixed head 10-5.
Claims (2)
1. an engine valve rotating mechanism base is squeezed into pattern, and it is characterized in that: it is made up of part of the upper die and part of the lower die;
The part of the upper die comprises: cope match-plate pattern, upper die body, supporting base, micrometer adjusting screw, guide pin bushing, patrix are installed nut and patrix;
Upper die body is fixed on the center of cope match-plate pattern through screw, and upper die body top cylindrical is provided with patrix the external screw thread that nut cooperates is installed, and patrix is installed nut through patrix and is installed on the end face on upper die body top, and and upper die body be connected as a single entity; Supporting base is fixed on the cope match-plate pattern through screw, and the micrometer adjusting screw on the supporting base is used to finely tune the installation site of upper die body, guarantees that the patrix on the upper die body is coaxial with counterdie; On cope match-plate pattern, be provided with two guide pin bushings, guide pin bushing is separately fixed in the dowel hole of cope match-plate pattern;
The part of the lower die comprises lower bolster, die shoe, Lifting Device, top cover, following die-cushion, counterdie, lower die-sleeve, guide pillar and following moulded board;
Described Lifting Device is made up of gripper shoe, push rod, die pad, counterdie backing plate, fixed head, ejector beam and core bar;
Push rod is installed in the push rod installing hole of gripper shoe bottom; Die pad is installed in the die pad installing hole of gripper shoe; And be pressed on the push rod, core bar is installed in the core bar installing hole on the fixed head through interference fit, and counterdie backing plate and fixed head are fixed on the gripper shoe top end through soket head cap screw; Three ejector beams are installed in respectively in the ejector beam installing hole on counterdie backing plate and the fixed head, adopt movingly between the ejector beam installing hole on ejector beam and counterdie backing plate and the fixed head;
Lifting Device is installed in the bottom of the Lifting Device installing hole on the die shoe body through screw, and die shoe is installed on the lower bolster through screw, and the push rod installing hole on the lower bolster body is passed in the push rod lower end on the Lifting Device; The top cover is installed on the core bar in the Lifting Device, adopts movingly between top cover and the core bar; Following die-cushion is installed on the fixed head in the Lifting Device, adopts movingly between the external cylindrical surface of top cover and the installing hole on the counterdie pad body; Counterdie is installed in down on the die-cushion, adopts movingly between the external cylindrical surface on liftout hole on the following mould body and cover top, top; Lower die-sleeve is sleeved on down on the external cylindrical surface on the mould body, and the external cylindrical surface on lower die-sleeve and the following mould body adopts interference fit; Following moulded board is fixed on the die shoe through screw, and the endoporus of following moulded board and the cylindrical of lower die-sleeve adopt taper fit, through following moulded board lower die-sleeve and counterdie is pressed on down on the end face of die-cushion; Two guide pillars are fixedly mounted on respectively in the guide pillar hole on the die shoe, join with the guide pin bushing cunning that is installed on the cope match-plate pattern, to realize the accurate location of mould up and down.
2. a kind of engine valve rotating mechanism base according to claim 1 is squeezed into pattern, it is characterized in that: described patrix is provided with six trajectory groove extrusion dies, and six trajectory groove extrusion dies are evenly arranged on the patrix; Described counterdie is provided with the base die cavity, and the profile and the appearance and size design of engine valve rotating mechanism base pressed in the die bed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301000.6A CN102794327B (en) | 2012-08-23 | 2012-08-23 | Engine valve rotating mechanism base extrusion forming mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301000.6A CN102794327B (en) | 2012-08-23 | 2012-08-23 | Engine valve rotating mechanism base extrusion forming mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102794327A true CN102794327A (en) | 2012-11-28 |
| CN102794327B CN102794327B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210301000.6A Active CN102794327B (en) | 2012-08-23 | 2012-08-23 | Engine valve rotating mechanism base extrusion forming mold |
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| CN (1) | CN102794327B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331323A (en) * | 2013-07-09 | 2013-10-02 | 宁波市鄞州剑均机械科技有限公司 | Shaft stopping nut cold extrusion die |
| CN105033145A (en) * | 2015-07-31 | 2015-11-11 | 安庆市鼎立汽车配件有限公司 | Full-precision air valve forging die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227922A (en) * | 1984-04-26 | 1985-11-13 | Aida Eng Ltd | Metallic die for rear extrusion |
| CN2764512Y (en) * | 2004-12-22 | 2006-03-15 | 郑州机械研究所 | Extrusion mold for inside and outside toothed member |
| CN202290828U (en) * | 2011-09-21 | 2012-07-04 | 南京工业职业技术学院 | One-step forming die for gear shaft |
| CN102601146A (en) * | 2012-03-07 | 2012-07-25 | 四川绵阳重业齿轮有限责任公司 | Cold extrusion die for spur gear |
| CN202824205U (en) * | 2012-08-23 | 2013-03-27 | 湖南天雁机械有限责任公司 | Engine valve rotating mechanism base extrusion forming die |
-
2012
- 2012-08-23 CN CN201210301000.6A patent/CN102794327B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227922A (en) * | 1984-04-26 | 1985-11-13 | Aida Eng Ltd | Metallic die for rear extrusion |
| CN2764512Y (en) * | 2004-12-22 | 2006-03-15 | 郑州机械研究所 | Extrusion mold for inside and outside toothed member |
| CN202290828U (en) * | 2011-09-21 | 2012-07-04 | 南京工业职业技术学院 | One-step forming die for gear shaft |
| CN102601146A (en) * | 2012-03-07 | 2012-07-25 | 四川绵阳重业齿轮有限责任公司 | Cold extrusion die for spur gear |
| CN202824205U (en) * | 2012-08-23 | 2013-03-27 | 湖南天雁机械有限责任公司 | Engine valve rotating mechanism base extrusion forming die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331323A (en) * | 2013-07-09 | 2013-10-02 | 宁波市鄞州剑均机械科技有限公司 | Shaft stopping nut cold extrusion die |
| CN103331323B (en) * | 2013-07-09 | 2015-09-23 | 宁波市鄞州剑均机械科技有限公司 | A kind of axle bumper nut cold extrusion die |
| CN105033145A (en) * | 2015-07-31 | 2015-11-11 | 安庆市鼎立汽车配件有限公司 | Full-precision air valve forging die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102794327B (en) | 2016-06-29 |
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