CN105269625A - Punching technology of automobile chassis component - Google Patents

Punching technology of automobile chassis component Download PDF

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Publication number
CN105269625A
CN105269625A CN201510799252.XA CN201510799252A CN105269625A CN 105269625 A CN105269625 A CN 105269625A CN 201510799252 A CN201510799252 A CN 201510799252A CN 105269625 A CN105269625 A CN 105269625A
Authority
CN
China
Prior art keywords
plate body
notch
automobile chassis
front plate
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510799252.XA
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Chinese (zh)
Other versions
CN105269625B (en
Inventor
张哲元
沈建尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO WOTE AUTO PARTS CO Ltd
Original Assignee
NINGBO WOTE AUTO PARTS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGBO WOTE AUTO PARTS CO Ltd filed Critical NINGBO WOTE AUTO PARTS CO Ltd
Priority to CN201510799252.XA priority Critical patent/CN105269625B/en
Publication of CN105269625A publication Critical patent/CN105269625A/en
Application granted granted Critical
Publication of CN105269625B publication Critical patent/CN105269625B/en
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/44Cutters therefor; Dies therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/44Cutters therefor; Dies therefor
    • B26F2001/4427Cutters therefor; Dies therefor combining cutting and forming operations

Abstract

The invention discloses a punching technology of an automobile chassis component. By means of a simple method, a product of a complex structure is machined, locking rings of a die are reduced, and the quality of the product is improved. The punching technology comprises the following steps that firstly, prepared materials are added and injected; secondly, an upper plate is notched; thirdly, tongue cutting is carried out on a front plate and a rear plate; and fourthly, trimming is carried out. According to the actual situation, the prepared materials are added and injected. To facilitate the punching of the later procedure, a notch in the upper plate is removed through notching, and an arc section notch can be conveniently cut later for linkage. When the residual outline is punched and cut away, the arc section notch can be in good linkage with a circular arc opening finally obtained, and in the final punching, waste can disengage easily. The design of the composite die is combined, and the additional procedure cannot be increased.

Description

A kind of punching process of Automobile Chassis Parts
Technical field
The present invention relates to a kind of processing method of automotive chassis components, especially relate to a kind of punching process of Automobile Chassis Parts.
Background technology
Stamping-out isolates the part of required form and size or the process for stamping of blank from plate.Stamping-out utilizes the cutting edge of punch die to make plate produce detrusion along certain outline line and be separated.The ratio of stamping-out shared by punching production is maximum.In blanking process, except the metal near shearing wheel profile, plate itself does not produce plastic deformation, so remain a flat shape by the part of dull and stereotyped punch press process.
In the process of present manufacturing Automobile Chassis Parts as shown in Figure 1, will complete the breach of a circular arc at the right-hand member place of these parts, and the bore of this circular arc opening is comparatively large, more namely the height of arc notch is larger.Adopt simple stamping-out mode to carry out processing, the blade lengths of its correspondence used is also comparatively large, easily causes mold notch to burst apart in the process of stamping-out.In addition because these parts are as the difference of blanking part dimensional thickness everywhere, and size also changes to some extent, the processing of punch die and assembly technology also different according to physical condition.It is more complicated that existing product design becomes, and what the processing of product was become is more difficult.General technology cannot ensure die life, the stability of product and processing safety.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of punching process of Automobile Chassis Parts, and use comparatively simple method to realize the processing of complex structure product, decrease the lock ring of mould, the quality of product have also been obtained raising.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of punching process of Automobile Chassis Parts, comprises the following steps:
A. expectation injection moulding is added: material injection Cheng Youqian plate body, upper plate body are connected three plate body structures surrounded with rear plate body;
B. on upper plate body, incised notch is carried out: on upper plate body, cut out a notch, on the left of described notch, limit is perpendicular to the flanging between upper plate body and front plate body;
C. carry out cutting tongue on front plate body and rear plate body: the limit, left side along described notch is downward, front plate body and rear plate body carry out stopping after side direction is cut to predetermined length along the curved line of the circular arc opening wished to get, obtain the breach of an arc, being acute angle for the angle cut between the blade one of front plate body and the right side of front plate body, is acute angle for the angle cut between the blade two of rear plate body and the right side of rear plate body;
D. deburring: the breach along the arc obtained after front plate body cuts tongue carries out stamping-out and excises unnecessary profile, the breach along the arc obtained after rear plate body cuts tongue carries out stamping-out and excises unnecessary profile, reaches the circular arc opening shape of final product.
In described step a, the upper plate body of three plate body structures of injection mo(u)lding is provided with locating hole.For location when the setting of locating hole is injection moulding, obtain standardized product structure.And can in subsequent steps locating hole be excised.
The cross section of three described plate body structures is inverted U-shaped.
In described step b, notch is rectangular configuration, and the front side edge of described notch and back side edge are parallel to the flanging between upper plate body and front plate body.The notch of rectangular configuration is convenient to cutting, also well can be connected with the breach cutting the arc that tongue obtains in next process.
Described locating hole is positioned at notch, is excised by locating hole while cutting out notch in stepb.
In step c, being 50 degree for the angle cut between the blade one of front plate body and the right side of front plate body, is 50 degree for the angle cut between the blade two of rear plate body and the right side of rear plate body.Carry out the breach of cutting arc line segment by this angle, make this breach can excise unnecessary profile with the deburring in next step and be well connected.Just can be excised by the stamping-out of standard and obtain whole circular arc opening.
Described blade one, blade two all adopt tiltedly carves structure.Blade one, the blade two of tiltedly carving structure are not easy to burst apart, and improve its service life.
Compared with prior art, the invention has the advantages that and first will add that injection moulding is carried out in expectation according to actual conditions.Conveniently subsequent handling stamping-out, first adopts incised notch to remove a notch at upper plate body, facilitates follow-up excision arc breach to be connected.And the setting of the breach of arc is in order to when carrying out stamping-out and excising unnecessary profile, be well connected with the circular arc opening finally obtained, after last stamping-out, what waste material can be clear-cut comes off.The present invention, in conjunction with the design of composite die, can not increase too much extra operation.
Accompanying drawing explanation
Fig. 1 is the product structure figure after invention machines;
Fig. 2 adds the product structure figure to be processed expecting that injection moulding obtains;
Fig. 3 is the product structure figure obtained after incised notch;
Fig. 4 cuts the product structure figure that tongue obtains;
Fig. 5 is the product Local map obtained after deburring.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figures 1 to 5: a kind of punching process of Automobile Chassis Parts, comprises the following steps:
A. expectation injection moulding is added: material injection Cheng Youqian plate body 1, upper plate body 2 are connected three plate body structures surrounded with rear plate body 3;
B. on upper plate body 2, incised notch is carried out: on upper plate body 2, cut out a notch 4, on the left of notch 4, limit is perpendicular to the flanging between upper plate body 2 and front plate body 1;
C. carry out cutting tongue on front plate body 1 with rear plate body 3: the limit, left side along described notch 4 is downward, curved line along the circular arc opening 6 wished to get on front plate body 1 with rear plate body 3 carries out stopping after side direction is cut to predetermined length, obtain the breach 5 of an arc, being acute angle for the angle cut between the blade one of front plate body 1 and the right side of front plate body 1, is acute angle for the angle cut between the blade two of rear plate body 3 and the right side of rear plate body 3;
D. deburring: the breach 5 along the arc obtained after front plate body 1 cuts tongue carries out stamping-out and excises unnecessary profile, the breach 5 along the arc obtained after rear plate body 3 cuts tongue carries out stamping-out and excises unnecessary profile, reaches circular arc opening 6 shape of final product.
In step a, the upper plate body 2 of three plate body structures of injection mo(u)lding is provided with locating hole 11.
The cross section of three plate body structures is inverted U-shaped.
In step b, notch 4 is rectangular configuration, and the front side edge of described notch 4 and back side edge are parallel to the flanging between upper plate body 2 and front plate body 1.
Locating hole 11 is positioned at notch 4, is excised by locating hole 11 while cutting out notch 4 in stepb.
In step c, being 50 degree for the angle cut between the blade one of front plate body 1 and the right side of front plate body 1, is 50 degree for the angle cut between the blade two of rear plate body 3 and the right side of rear plate body 3.
Blade one, blade two all adopt tiltedly carves structure.
Be illustrated in figure 2 shape after product injection mo(u)lding, first will add expectation according to actual conditions.Conveniently subsequent handling stamping-out, first adopting incised notch mode as illustrated 4, front plate body 1 with rear plate body 3 removing a small gap 5, facilitates follow-up excision circular arc.
Side shown in Fig. 5 cuts 50 °, namely cuts tongue.With common to cut tongue different, his punch has angle.To eliminate a difficult problem of bursting apart for cutting edge of die, in order to be connected follow-up deburring, the breach 5 of cutting arc line segment will carry out along the circular arc opening 6 finally wanting to obtain.
Utilize this technique, main consideration die point is too thin, and institute service life can be very short.Adopt during trimming and tiltedly carve structure, effectively extend mould blade.As shown in Figure 5, final profile after deburring.

Claims (7)

1. a punching process for Automobile Chassis Parts, is characterized in that comprising the following steps:
A. expectation injection moulding is added: material injection Cheng Youqian plate body, upper plate body are connected three plate body structures surrounded with rear plate body;
B. on upper plate body, incised notch is carried out: on upper plate body, cut out a notch, on the left of described notch, limit is perpendicular to the flanging between upper plate body and front plate body;
C. carry out cutting tongue on front plate body and rear plate body: the limit, left side along described notch is downward, front plate body and rear plate body carry out stopping after side direction is cut to predetermined length along the curved line of the circular arc opening wished to get, obtain the breach of an arc, being acute angle for the angle cut between the blade one of front plate body and the right side of front plate body, is acute angle for the angle cut between the blade two of rear plate body and the right side of rear plate body;
D. deburring: the breach along the arc obtained after front plate body cuts tongue carries out stamping-out and excises unnecessary profile, the breach along the arc obtained after rear plate body cuts tongue carries out stamping-out and excises unnecessary profile, reaches the circular arc opening shape of final product.
2. the punching process of a kind of Automobile Chassis Parts according to claim 1, is characterized in that in described step a, and the upper plate body of three plate body structures of injection mo(u)lding is provided with locating hole.
3. the punching process of a kind of Automobile Chassis Parts according to claim 2, is characterized in that the cross section of three described plate body structures is inverted U-shaped.
4. the punching process of a kind of Automobile Chassis Parts according to claim 3, is characterized in that in described step b, and notch is rectangular configuration, and the front side edge of described notch and back side edge are parallel to the flanging between upper plate body and front plate body.
5. the punching process of a kind of Automobile Chassis Parts according to claim 4, is characterized in that described locating hole is positioned at notch, is excised by locating hole while cutting out notch in stepb.
6. the punching process of a kind of Automobile Chassis Parts according to claim 1, it is characterized in that in step c, being 50 degree for the angle cut between the blade one of front plate body and the right side of front plate body, is 50 degree for the angle cut between the blade two of rear plate body and the right side of rear plate body.
7. the punching process of a kind of Automobile Chassis Parts according to claim 6, is characterized in that described blade one, blade two all adopts and tiltedly carve structure.
CN201510799252.XA 2015-11-17 2015-11-17 Punching technology of automobile chassis component Active CN105269625B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510799252.XA CN105269625B (en) 2015-11-17 2015-11-17 Punching technology of automobile chassis component

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Application Number Priority Date Filing Date Title
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CN105269625A true CN105269625A (en) 2016-01-27
CN105269625B CN105269625B (en) 2017-04-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1873253A (en) * 2006-04-21 2006-12-06 上海新明源汽车配件有限公司 Balance weight in steel for wheels of automobiles, and fabricating technique.
US20080022829A1 (en) * 2006-07-31 2008-01-31 Helix Usa Edge punch
CN103343615A (en) * 2013-07-23 2013-10-09 卓柏照 Scaffold vertical rod buckle plate and production die and manufacturing process of scaffold vertical rod buckle plate
CN203621195U (en) * 2013-12-09 2014-06-04 厦门市捷昕精密科技有限公司 Leftover-material free punching technology and die thereof
CN103934381A (en) * 2014-04-15 2014-07-23 宁波沃特汽车部件有限公司 Automobile high-strength board chassis component forming technology
CN204486579U (en) * 2014-12-30 2015-07-22 鑫鸿交通工业(安徽)有限公司 A kind of built-in side blow structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1873253A (en) * 2006-04-21 2006-12-06 上海新明源汽车配件有限公司 Balance weight in steel for wheels of automobiles, and fabricating technique.
US20080022829A1 (en) * 2006-07-31 2008-01-31 Helix Usa Edge punch
CN103343615A (en) * 2013-07-23 2013-10-09 卓柏照 Scaffold vertical rod buckle plate and production die and manufacturing process of scaffold vertical rod buckle plate
CN203621195U (en) * 2013-12-09 2014-06-04 厦门市捷昕精密科技有限公司 Leftover-material free punching technology and die thereof
CN103934381A (en) * 2014-04-15 2014-07-23 宁波沃特汽车部件有限公司 Automobile high-strength board chassis component forming technology
CN204486579U (en) * 2014-12-30 2015-07-22 鑫鸿交通工业(安徽)有限公司 A kind of built-in side blow structure

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