CN103949491A - Automobile aluminum piston workblank extrusion forming equipment - Google Patents
Automobile aluminum piston workblank extrusion forming equipment Download PDFInfo
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- CN103949491A CN103949491A CN201410198976.4A CN201410198976A CN103949491A CN 103949491 A CN103949491 A CN 103949491A CN 201410198976 A CN201410198976 A CN 201410198976A CN 103949491 A CN103949491 A CN 103949491A
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Abstract
The invention discloses automobile aluminum piston workblank extrusion forming equipment. A workbench is provided with two air cylinders; a concave mold is arranged between the air cylinders, is fixed on the workbench, and is provided with a stamping and spacing plates; one end of the spacing plate is connected with the concave mold; the spacing plate is sunk in so as to form a groove; the workbench is provided with supports; swing rods are fixed on the supports; rotary shafts I are arranged between the swing rods and the supports, and penetrate through the swing rods and the supports synchronously; the swing rods are connected with connecting rods; rotary shafts II are arranged between the connecting rods and the swing rods, penetrate through the connecting rods and the swing rods, and then are connected with pistons; the connecting rods are connected with lateral core rods; rotary shafts III are arranged between the lateral core rods and the connecting rods and penetrate through the lateral core rods and the connecting rods; the lateral core rods are provided with stroke baffles; and the top ends of the stroke baffles extend into groove. According to the equipment, an automobile aluminum piston is formed stably in a mold via a structure comprising the air cylinders and the hydraulic device on the basis of an extrusion forming principle, and the quality reaches the requirements.
Description
Technical field
The present invention relates to a kind of equipment, especially relate to a kind of automobile aluminum piston blank extrusion formation equipment, belong to automobile die field.
Background technology
Mould, is the instrument for formed article, and this instrument is made up of various parts.It mainly realizes the processing of article profile by the change of institute's moulding material physical state.Conventionally use in industry, in order to injection moulding, blowing, extrude, various moulds and instrument that the method such as die casting or forging forming, smelting, punching press, stretching obtains required product.Mould kind is a lot, can be divided into: the mould of the mould of processing metal and machining of non-metallic and powder metallurgy according to processing object and processing technology.By the difference of the material of institute's moulding, mould can be divided into hardware dies, plastic mould, with and special dies.According to design feature, mould can be divided into again the blanking die of plane and have the swaging die in space.Make under external force blank become the instrument of the product that has given shape and size.Be widely used in stamping-out, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and during the compression moulding of goods such as engineering plastics, rubber, pottery or the shaping of injection moulding process.Mould has specific profile or cavity shape, and the contour shape that application has cutting edge can make blank separate (stamping-out) by outline line shape.Application cavity shape can make blank obtain corresponding three-dimensional shape.Mould generally comprises dynamic model and two parts of cover half (or punch and die), the two partable.Separately time, take out product, while closing up, make blank inject mold cavity and be shaped.Mould is precision instrument, complex-shaped, bears the expansive force of blank, and structural strength, rigidity, case hardness, surface roughness and machining accuracy are all had higher requirements, and the development level that mould is produced is one of important symbol of machine-building level.Mould, except itself, also needs die holder, mould bases, guider and product liftout attachment etc., and these parts are generally all made universal.In auto parts and components are produced, need to consider the quality of piston type parts in die molding process, existing mould is produced automobile aluminum piston and is existed inner void many, and crystal density is low, affects service life.
Summary of the invention
The object of the invention is to overcome above-mentioned existing automobile aluminum piston exists inner void many in die molding process, crystal density is low, affect the problem in service life, design a kind of automobile aluminum piston blank extrusion formation equipment, this equipment is by cylinder and hydraulic test structure, utilize the principle of extrusion modling, make automobile aluminum piston stable in die for molding, quality meets the requirements, solved existing automobile aluminum piston exists inner void many in die molding process, crystal density is low, affects the problem in service life.
Object of the present invention is achieved through the following technical solutions: automobile aluminum piston blank extrusion formation equipment, comprise workbench, on described workbench, be provided with two cylinders, be provided with die between cylinder, die is fixed on the top end face of workbench, directly over die, be provided with decompressor, and one end of decompressor can extend in die, and the top of die is provided with limiting plate, and limiting plate one end is connected with die, the other end reaches die outside, and the bottom indent of limiting plate forms groove, cylinder is all connected with piston, and piston one end is arranged in cylinder, the other end be arranged on cylinder under, on workbench, be provided with support, support is fixed on the top end face of workbench, on support, be all fixed with fork, between fork and support, be provided with rotating shaft one, rotating shaft one is simultaneously through fork and support, fork is connected with connecting rod away from one end of rotating shaft one, and between connecting rod and fork, be provided with rotating shaft two, rotating shaft two simultaneously through connecting rod with after fork with corresponding be arranged on cylinder under piston be connected, connecting rod is connected with side core bar away from one end of rotating shaft two, and side core bar extend into die inside away from one end of connecting rod through the sidewall of die, between side core bar and connecting rod, be provided with rotating shaft three, and rotating shaft three is simultaneously through side core bar and connecting rod, side core bar is provided with stroke baffle near the end face of connecting rod, the end face of the sidewall of stroke baffle and side core bar is fixed, and top extend in groove.
On the top end face of described workbench, be provided with stop screw, one end of stop screw is vertically fixed on the top end face of workbench, the other end be arranged on rotating shaft two under.
The drift that described decompressor comprises hydraulic means and is connected with hydraulic means, hydraulic means is arranged on the top of die, and drift is connected with the bottom of hydraulic means, and drift one end extend into die inside.
The top of described die is provided with pusher sleeve, and the bottom of pusher sleeve contacts with inwall with the top of die simultaneously, and drift extend in die through pusher sleeve.
On the outer wall of described die, be sheathed with guide collar, limiting plate one end is connected with die through after guide collar, and the internal face of guide collar contacts with the outside wall surface of pusher sleeve, and the bottom of guide collar contacts with the top end face of workbench.
In sum, the invention has the beneficial effects as follows: this equipment is by cylinder and hydraulic test structure, utilize the principle of extrusion modling, make automobile aluminum piston stable in die for molding, quality meets the requirements, solved existing automobile aluminum piston and in die molding process, existed inner void many, crystal density is low, affects the problem in service life.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Mark and corresponding parts title in accompanying drawing: 1-workbench; 2-piston blank; 3-hydraulic means; 4-rotating shaft three; 5-installing plate; 6-stop screw; 7-rotating shaft two; 8-piston; 9-stroke baffle; 10-groove; 11-limiting plate; 12-side core bar; 13-die; 14-pusher sleeve; 15-guide collar; 16-cylinder; 17-connecting rod; 18-fork; 19-rotating shaft one; 20-support; 21-drift.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, automobile aluminum piston blank extrusion formation equipment, comprise workbench 1, on described workbench 1, be provided with two cylinders 16, between cylinder 16, be provided with die 13, die 13 is fixed on the top end face of workbench 1, directly over die 13, be provided with decompressor, and one end of decompressor can extend in die 13, the top of die 13 is provided with limiting plate 11, limiting plate 11 one end are connected with die 13, and the other end reaches die 13 outsides, and the bottom indent of limiting plate 11 forms groove 10, cylinder 16 is all connected with piston 8, and piston 8 one end are arranged in cylinder 16, the other end be arranged on cylinder 16 under, on workbench 1, be provided with support 20, support 20 is fixed on the top end face of workbench 1, on support 20, be all fixed with fork 18, between fork 18 and support 20, be provided with rotating shaft 1, rotating shaft 1 is simultaneously through fork 18 and support 20, fork 18 is connected with connecting rod 17 away from one end of rotating shaft 1, and be provided with rotating shaft 27 between connecting rod 17 and fork 18, rotating shaft 27 simultaneously through after connecting rod 17 and fork 18 and corresponding be arranged on cylinder 16 under piston 8 be connected, connecting rod 17 is connected with side core bar 12 away from one end of rotating shaft 27, and side core bar 12 extend into die 13 inside away from one end of connecting rod 17 through the sidewall of die 13, between side core bar 12 and connecting rod 17, be provided with rotating shaft 34, and rotating shaft 34 is simultaneously through side core bar 12 and connecting rod 17, side core bar 12 is provided with stroke baffle 9 near the end face of connecting rod 17, the end face of the sidewall of stroke baffle 9 and side core bar 12 is fixed, and top extend in groove 10.In die 13, be placed with piston blank 2, decompressor pours in die 13, blank is pushed, and piston 8 in cylinder 16 moves, drive rotating shaft 27 to move, connecting rod 17 and fork 18 are rotated along rotating shaft 27, thereby entire length changes, and then drive side core bar 12 to extract out from die 13, in order to ensure that side core bar 12 motion tracks are horizontal linear, so be provided with stroke baffle 9 and limiting plate 11, and stroke baffle 9 tops are to move in the groove 10 in limiting plate 11, the motion track of stroke baffle 9 is to move along groove, the motion track of side core bar 12 just can not be along with the rotation of rotating shaft 34 changes like this, the punching press frequency of the travel frequency of side core bar 12 and decompressor is identical, ensure the continuity of extruding, the automobile aluminum piston blank quality squeezing out is high, pore has improved foundry goods compared with virgin metal mold casting room temperature and mechanical behavior under high temperature with pin hole are eliminated, improve normal temperature low frequency cycle fatigue, the performance such as creep rupture strength and wearability, improve stock utilization, reduce blank cost, solved existing automobile aluminum piston exists inner void many in die molding process, crystal density is low, affect the problem in service life.
On the top end face of described workbench 1, be provided with stop screw 6, one end of stop screw 6 is vertically fixed on the top end face of workbench 1, the other end be arranged on rotating shaft 27 under.Stop screw 6 itself is existing parts, on workbench 1, be fixed with installing plate 5, stop screw 6 is vertically fixed on installing plate 5, because the piston 8 in cylinder 16 moves, the movement that rotating shaft 27 is carried out in vertical, connecting rod 17 and fork 18 rotate around rotating shaft 27, in the close process of workbench 1, cause connecting rod 17 and fork 18 occur stuck or occur impingement phenomenon with workbench 1 for fear of rotating shaft 27, so be provided with stop screw 6, make the position of the most close workbench 1 of rotating shaft 27, be connecting rod 17 and fork 18 keeping parallelism positions, like this in piston moving process, there will not be connecting rod 17 and fork 18 occur stuck or occur impingement phenomenon with workbench 1.
The drift 21 that described decompressor comprises hydraulic means 3 and is connected with hydraulic means 3, hydraulic means 3 is arranged on the top of die 13, and drift 21 is connected with the bottom of hydraulic means 3, and drift 21 one end extend into die 13 inside.Hydraulic means 3 is four-column type 160t hydraulic press, and mould adopts drift 21 and 14 pressurizations of pusher sleeve to fill type, under the effect of hydraulic means 3, drift 21 is pushed in die 13, is placed on piston blank 2 punch formings in die 13.
The top of described die 13 is provided with pusher sleeve 14, and the bottom of pusher sleeve 14 contacts with inwall with the top of die 13 simultaneously, and drift 21 extend in die 13 through pusher sleeve 14.Pusher sleeve 14 is sleeve, is existing parts, and pusher sleeve 14 is to ensure that drift 21 can move along same track in the time entering into die 13, and piston blank is steady quality in the time of extrusion modling.
On the outer wall of described die 13, be sheathed with guide collar 15, limiting plate 11 one end are connected with die 13 through guide collar 15 is rear, and the internal face of guide collar 15 contacts with the outside wall surface of pusher sleeve 14, and the bottom of guide collar 15 contacts with the top end face of workbench 1.Guide collar 15 itself is existing parts, and guide collar 15 is that the motion track of constrained side core bar 12 is horizontal linear, die 13 and pusher sleeve 14 is protected simultaneously, and side core bar 12 contacts with piston blank through guide collar 15 is rear.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (5)
1. automobile aluminum piston blank extrusion formation equipment, comprise workbench (1), it is characterized in that: on described workbench (1), be provided with two cylinders (16), between cylinder (16), be provided with die (13), die (13) is fixed on the top end face of workbench (1), directly over die (13), be provided with decompressor, and one end of decompressor can extend in die (13), the top of die (13) is provided with limiting plate (11), limiting plate (11) one end is connected with die (13), the other end reaches die (13) outside, the bottom indent of limiting plate (11) forms groove (10), cylinder (16) is all connected with piston (8), and piston (8) one end is arranged in cylinder (16), the other end be arranged on cylinder (16) under, on workbench (1), be provided with support (20), support (20) is fixed on the top end face of workbench (1), on support (20), be all fixed with fork (18), between fork (18) and support (20), be provided with rotating shaft one (19), rotating shaft one (19) is simultaneously through fork (18) and support (20), fork (18) is connected with connecting rod (17) away from one end of rotating shaft one (19), and be provided with rotating shaft two (7) between connecting rod (17) and fork (18), rotating shaft two (7) simultaneously through connecting rod (17) and fork (18) afterwards and corresponding be arranged on cylinder (16) under piston (8) be connected, connecting rod (17) is connected with side core bar (12) away from one end of rotating shaft two (7), and side core bar (12) extend into die (13) inside away from one end of connecting rod (17) through the sidewall of die (13), between side core bar (12) and connecting rod (17), be provided with rotating shaft three (4), and rotating shaft three (4) is simultaneously through side core bar (12) and connecting rod (17), side core bar (12) is provided with stroke baffle (9) near the end face of connecting rod (17), the end face of the sidewall of stroke baffle (9) and side core bar (12) is fixed, and top extend in groove (10).
2. automobile aluminum piston blank extrusion formation equipment according to claim 1, it is characterized in that: on the top end face of described workbench (1), be provided with stop screw (6), one end of stop screw (6) is vertically fixed on the top end face of workbench (1), the other end be arranged on rotating shaft two (7) under.
3. automobile aluminum piston blank extrusion formation equipment according to claim 1, it is characterized in that: the drift (21) that described decompressor comprises hydraulic means (3) and is connected with hydraulic means (3), hydraulic means (3) is arranged on the top of die (13), drift (21) is connected with the bottom of hydraulic means (3), and drift (21) one end extend into die (13) inside.
4. automobile aluminum piston blank extrusion formation equipment according to claim 3, it is characterized in that: the top of described die (13) is provided with pusher sleeve (14), the bottom of pusher sleeve (14) contacts with inwall with the top of die (13) simultaneously, and drift (21) extend in die (13) through pusher sleeve (14).
5. automobile aluminum piston blank extrusion formation equipment according to claim 4, it is characterized in that: on the outer wall of described die (13), be sheathed with guide collar (15), limiting plate (11) one end is connected with die (13) through after guide collar (15), the internal face of guide collar (15) contacts with the outside wall surface of pusher sleeve (14), and the bottom of guide collar (15) contacts with the top end face of workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198976.4A CN103949491A (en) | 2014-05-13 | 2014-05-13 | Automobile aluminum piston workblank extrusion forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198976.4A CN103949491A (en) | 2014-05-13 | 2014-05-13 | Automobile aluminum piston workblank extrusion forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103949491A true CN103949491A (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410198976.4A Pending CN103949491A (en) | 2014-05-13 | 2014-05-13 | Automobile aluminum piston workblank extrusion forming equipment |
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| Country | Link |
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| CN (1) | CN103949491A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889187A (en) * | 2015-06-26 | 2015-09-09 | 无锡市嘉立德科技有限公司 | Automatic centering extrusion and forming device |
| CN106734311A (en) * | 2016-12-20 | 2017-05-31 | 柳州通为机械有限公司 | A kind of automobile aluminum piston press mould |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0127366A1 (en) * | 1983-05-31 | 1984-12-05 | Gibbs Die Casting Aluminum Corporation | Method of die casting a piston |
| JPS62220262A (en) * | 1986-03-20 | 1987-09-28 | Aisin Seiki Co Ltd | Manufacture of piston for automobile |
| CN102407317A (en) * | 2011-11-14 | 2012-04-11 | 西华大学 | Piston casting mould of engine and casting method of piston casting |
| CN102943192A (en) * | 2012-10-29 | 2013-02-27 | 中国兵器工业第五二研究所 | Aluminum piston manufacturing method |
| CN103372643A (en) * | 2012-04-18 | 2013-10-30 | 日立汽车系统株式会社 | Apparatus and method for producing piston for internal combustion engine |
| CN203817073U (en) * | 2014-05-13 | 2014-09-10 | 四川中邦模具有限公司 | Equipment for extrusion forming of aluminum piston blank of automobile |
-
2014
- 2014-05-13 CN CN201410198976.4A patent/CN103949491A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0127366A1 (en) * | 1983-05-31 | 1984-12-05 | Gibbs Die Casting Aluminum Corporation | Method of die casting a piston |
| JPS62220262A (en) * | 1986-03-20 | 1987-09-28 | Aisin Seiki Co Ltd | Manufacture of piston for automobile |
| CN102407317A (en) * | 2011-11-14 | 2012-04-11 | 西华大学 | Piston casting mould of engine and casting method of piston casting |
| CN103372643A (en) * | 2012-04-18 | 2013-10-30 | 日立汽车系统株式会社 | Apparatus and method for producing piston for internal combustion engine |
| CN102943192A (en) * | 2012-10-29 | 2013-02-27 | 中国兵器工业第五二研究所 | Aluminum piston manufacturing method |
| CN203817073U (en) * | 2014-05-13 | 2014-09-10 | 四川中邦模具有限公司 | Equipment for extrusion forming of aluminum piston blank of automobile |
Non-Patent Citations (1)
| Title |
|---|
| 中国机械工程学会铸造分会: "《铸造手册第6卷特种铸造》", 28 February 2003, article "铸造手册第6卷特种铸造" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889187A (en) * | 2015-06-26 | 2015-09-09 | 无锡市嘉立德科技有限公司 | Automatic centering extrusion and forming device |
| CN104889187B (en) * | 2015-06-26 | 2017-03-01 | 无锡市嘉立德科技有限公司 | A kind of automatic centering extrusion forming device |
| CN106734311A (en) * | 2016-12-20 | 2017-05-31 | 柳州通为机械有限公司 | A kind of automobile aluminum piston press mould |
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Application publication date: 20140730 |