CN108326136A - A kind of forming method of semiclosed cylindrical part - Google Patents
A kind of forming method of semiclosed cylindrical part Download PDFInfo
- Publication number
- CN108326136A CN108326136A CN201810082277.1A CN201810082277A CN108326136A CN 108326136 A CN108326136 A CN 108326136A CN 201810082277 A CN201810082277 A CN 201810082277A CN 108326136 A CN108326136 A CN 108326136A
- Authority
- CN
- China
- Prior art keywords
- cylindrical part
- sector element
- fan
- semiclosed cylindrical
- semiclosed
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The invention discloses a kind of forming methods of semiclosed cylindrical part, it is placed on drawing punch-pin using fan-shaped tablet, and the opening portion of semiclosed cylindrical part is positioned with positioning device, a time stretching then is carried out to fan-shaped tablet, two passages stretch and semiclosed cylindrical part is made in piercing and shaping die.Fan-shaped tablet includes two sector element structures and transition connection sheet, it is connected to transition connection sheet both sides to two of which sector element symmetrical configuration, correspondingly, each sector element structure stretches it using a drawing punch-pin respectively, and a positioning device is used to position the opening portion of the semiclosed cylindrical part respectively.The present invention provides a kind of processes for using fan-shaped tablet symmetrical structure molding one to go out two to subtract side punching process its object is to design a kind of mold mechanism of simple drawing and forming, reduces technology difficulty, improves production efficiency, saves cost.
Description
Technical field
The present invention relates to drawing technical fields in punching press, more particularly to a kind of forming method of semiclosed cylindrical part.
Background technology
As shown in Figure 1, this is the part that a material is carbon steel T=2.3mm, produce in enormous quantities.
Traditional handicraft production method：6 procedures are needed to complete, wafer blanking-drawing 1- drawing 2- side blows notch-front punching lacks
Mouth and circular hole-shaping.
The deficiency of traditional handicraft：Process is more, and production efficiency is very low, and since part is smaller, part side punching notch die is more difficult
It realizes.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, it is molding using fan-shaped tablet symmetrical structure that the present invention provides a kind of
One goes out two process, its object is to design a kind of mold mechanism of simple drawing and forming, subtracts side punching process, drop
Low technology difficulty improves production efficiency, saves cost.
The technical solution adopted in the present invention is：A kind of forming method of semiclosed cylindrical part, is set using fan-shaped tablet
In on drawing punch-pin, and the opening portion of semiclosed cylindrical part is positioned with positioning device, one then is carried out to fan-shaped tablet
Passage stretches, two passages stretch and semiclosed cylindrical part is made in piercing and shaping die.
Further, fan-shaped tablet includes two sector element structures and transition connection sheet, two of which sector element knot
Structure is symmetrically connected to transition connection sheet both sides, and correspondingly, each sector element structure is convex using a drawing respectively
Mould stretches it, and a positioning device is used to position the opening portion of the semiclosed cylindrical part respectively；The transition connects
The width of piece is the opening portion length of run of semiclosed cylindrical part；Positioning device is horn opening structure simultaneously,
Transition connection sheet top position of the stretching between two sector element structures respectively.
Further, the specific forming step of the sector tablet is as follows：
A. fan-shaped tablet is positioned on drawing punch-pin, and is positioned using positioning device；
B. drawing cavity plate is fixed on upper die holder, and is moved downward under the guiding of outer guiding post together with upper die holder, to fan
Shape tablet carries out drawing and forming, and punching machine to bottom dead centre, which is molded, to be completed, and wherein has outer guiding post between the upper die holder and lower die holder of punching machine；
C. after the completion of being molded, drawing cavity plate moves up to punching machine top dead-centre, and drawing semi-finished product sector tablet passes through stripper
De- material.
Further, the end positions of the opening portion of the fan-shaped tablet of drawing cavity plate correspondence are additionally provided with convex film position limiting structure.
Further, transition connection sheet includes sequentially connected sector element notch one, widens interconnecting piece and sector list
First notch two, while sector element notch one and sector element notch two are about widening the central axial right of interconnecting piece
Claim.
Further, sector element notch one is equal with the width of sector element notch two, and the two width
It is equal with the opening portion length of run of semiclosed cylindrical part.
Further, widen between interconnecting piece and sector element notch one and the interconnecting piece of sector element notch two also
Equipped with rounded corner.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of molding side of semiclosed cylindrical part of the present invention
Method, using fan-shaped tablet straight forming, to ensure uniform force in material molding, special envoy's symmetrical structure, one go out two method
Molding, after molding punching the processing of part can be completed.
As shown in Figure 2 compared with traditional handicraft, the invention has the beneficial effects that：Technology difficulty is reduced, reduces and adds
Work process improves stock utilization and production efficiency.
Description of the drawings
Fig. 1 is semiclosed cylindrical part finished product vertical view；
Fig. 2 is semiclosed cylindrical part finished product side view；
Fig. 3 is the forming method schematic diagram of Fig. 1 and a kind of semiclosed cylindrical part shown in Fig. 2；
Fig. 4 is structure chart using tubaeform positioning device clamping position of the fan-shaped tablet after the stretching of the first passage；
Fig. 5 is the sectional view of the A-A of Fig. 4；
Fig. 6 is the schematic diagram of the convex film position limiting structure of drawing punch-pin.
Specific implementation mode
In order to deepen the understanding of the present invention, present invention will be further explained below with reference to the attached drawings and examples, the implementation
Example is only used for explaining the present invention, does not constitute and limits to protection scope of the present invention.
In order to manufacture a kind of semiclosed cylindrical part as depicted in figs. 1 and 2, forming method is as shown in Fig. 2, use fan
Shape tablet is placed on drawing punch-pin, and the opening portion of semiclosed cylindrical part is positioned with positioning device, is then expected sector
Piece carries out a time stretching, two passages stretch and semiclosed cylindrical part 1 is made in piercing and shaping die.
As shown in figures 1 and 3, as shown in the 3a of region, biparting shape is made in the blank material before the preparation of semiclosed cylindrical part
Cellular construction, fan-shaped tablet 2 include two sector element structures 21 and transition connection sheet 22, two of which sector element structure 21
22 both sides of transition connection sheet are symmetrically connected to, correspondingly, each sector element structure is convex using a drawing respectively
Mould 3 stretches it, and a positioning device 4 is used to position the opening portion 11 of the semiclosed cylindrical part respectively；The transition
The width of connection sheet is the opening portion length of run of semiclosed cylindrical part；Positioning device 4 is horn opening knot simultaneously
Structure, transition connection sheet top position of the difference stretching between two sector element structures.
In detail as shown in Figure 3, wherein process 3a is the fan-shaped tablet for including two sector element structures and transition connection sheet
Structure chart.
Region 3b is the fan-shaped tablet after the first passage stretches, after carrying out the first passage stretching, as shown in the 3b of region,
Stretching becomes semi-finished product structure shown in 3b1 and side view 3b2 shown in the regions 3b.
Region 3c is the fan-shaped tablet after the second passage stretches, and carries out the semi-finished product structure region 3c of the second passage stretching
In 3c1 and 3c2 shown in.
After region 3d is punching, two semiclosed cylindrical part finished products can be obtained（3d1 and 3d2）Structure chart.
In the above-described embodiments, the specific forming step of the sector tablet is as follows：
A. fan-shaped tablet is positioned on drawing punch-pin, and is positioned using positioning device；
B. drawing cavity plate 5 is fixed on upper die holder, and is moved downward under the guiding of outer guiding post together with upper die holder, to fan
Shape tablet carries out drawing and forming, and punching machine to bottom dead centre, which is molded, to be completed, and wherein has outer guiding post between the upper die holder and lower die holder of punching machine；
Such as Fig. 4, structure chart using tubaeform positioning device clamping position of the fan-shaped tablet after the stretching of the first passage；From Fig. 5
It is also seen that the punching course signal between drawing cavity plate 5, drawing punch-pin 3 and the first passage semi-finished product 6；
C. after the completion of being molded, drawing cavity plate moves up to punching machine top dead-centre, and drawing semi-finished product sector tablet passes through stripper
De- material.
As shown in fig. 6, the end positions that drawing cavity plate 3 corresponds to the opening portion of fan-shaped tablet are additionally provided with convex film position limiting structure
31, it can preferably ensure the levels of precision of the opening portion size of the semiclosed cylindrical part of finished product, improve semiclosed cylindrical part
Precision.
In the above-described embodiments, transition connection sheet 22 includes sequentially connected sector element notch 1, widens connection
Portion 222 and sector element notch 2 223, while sector element notch one and sector element notch two are about widening connection
Portion it is central axial symmetrical, can ensure that there is preferable circumferential stress after semiclosed cylindrical part is made well.
In the above-described embodiments, sector element notch one is equal with the width of sector element notch two, and this two
A width is equal with the opening portion length of run of semiclosed cylindrical part, can better ensure that the essence of semiclosed cylindrical part
Degree.
In the above-described embodiments, widen the interconnecting piece of interconnecting piece and sector element notch one and sector element notch two
Between be additionally provided with rounded corner, use intensity is higher.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, those skilled in the art, pole
Easily according to above-described embodiment, the spirit of the present invention is understood, and make different amplification and variation, but as long as not departing from the present invention's
Spirit, all within the scope of the present invention.
Claims (7)
1. a kind of forming method of semiclosed cylindrical part, it is characterised in that：It is placed on drawing punch-pin using fan-shaped tablet, and
The opening portion of semiclosed cylindrical part is positioned with positioning device, a time stretching then is carried out to fan-shaped tablet, two passages are drawn
It stretches and semiclosed cylindrical part is made in piercing and shaping die.
2. a kind of forming method of semiclosed cylindrical part according to claim 1, it is characterised in that：Fan-shaped tablet includes
Two sector element structures and transition connection sheet are connected to transition connection sheet both sides to two of which sector element symmetrical configuration,
Correspondingly, each sector element structure stretches it using a drawing punch-pin respectively, uses one to determine respectively
Position device positions the opening portion of the semiclosed cylindrical part；The width of the transition connection sheet is opening for semiclosed cylindrical part
Oral area divides length of run；Positioning device is horn opening structure simultaneously, and difference stretching is between two sector element structures
Transition connection sheet top position.
3. a kind of forming method of semiclosed cylindrical part according to claim 1 or 2, it is characterised in that：The sector is expected
The specific forming step of piece is as follows：
A. fan-shaped tablet is positioned on drawing punch-pin, and is positioned using positioning device；
B. drawing cavity plate is fixed on upper die holder, and is moved downward under the guiding of outer guiding post together with upper die holder, to fan
Shape tablet carries out drawing and forming, and punching machine to bottom dead centre, which is molded, to be completed, and wherein has outer guiding post between the upper die holder and lower die holder of punching machine；
C. after the completion of being molded, drawing cavity plate moves up to punching machine top dead-centre, and drawing semi-finished product sector tablet passes through stripper
De- material.
4. a kind of forming method of semiclosed cylindrical part according to claim 3, it is characterised in that：Drawing cavity plate corresponds to
The end positions of the opening portion of fan-shaped tablet are additionally provided with convex film position limiting structure.
5. a kind of forming method of semiclosed cylindrical part according to claim 2, it is characterised in that：Transition connection sheet packet
It includes sequentially connected sector element notch one, widen interconnecting piece and sector element notch two, while sector element notch
One and sector element notch two about widening the central axial symmetrical of interconnecting piece.
6. a kind of forming method of semiclosed cylindrical part according to claim 5, it is characterised in that：Sector element notch
Portion one is equal with the width of sector element notch two, and the opening portion of the two width and semiclosed cylindrical part is unfolded
Equal length.
7. a kind of forming method of semiclosed cylindrical part according to claim 5 or 6, it is characterised in that：Widen connection
It is additionally provided with rounded corner between portion and sector element notch one and the interconnecting piece of sector element notch two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082277.1A CN108326136A (en) | 2018-01-29 | 2018-01-29 | A kind of forming method of semiclosed cylindrical part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082277.1A CN108326136A (en) | 2018-01-29 | 2018-01-29 | A kind of forming method of semiclosed cylindrical part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108326136A true CN108326136A (en) | 2018-07-27 |
Family
ID=62925744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082277.1A Pending CN108326136A (en) | 2018-01-29 | 2018-01-29 | A kind of forming method of semiclosed cylindrical part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108326136A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615177A (en) * | 2012-03-31 | 2012-08-01 | 重庆至信实业有限公司 | Method and die for molding backseat side cover plate of automobile |
| CN202752437U (en) * | 2012-04-27 | 2013-02-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Die shared by bilaterally symmetrical plates |
| CN103008451A (en) * | 2013-01-04 | 2013-04-03 | 芜湖开瑞金属科技有限公司 | Processing technique for automobile support arm module |
| KR20150061313A (en) * | 2013-11-27 | 2015-06-04 | 신한정밀(주) | Transfer mold for reducing raw materials |
| CN205085240U (en) * | 2015-11-09 | 2016-03-16 | 厦门晟硕科技有限公司 | Tensile complete sets of integration multistation |
| CN205702075U (en) * | 2016-03-10 | 2016-11-23 | 滁州市艾德模具设备有限公司 | A kind of housing secondary deep-drawing mould |
-
2018
- 2018-01-29 CN CN201810082277.1A patent/CN108326136A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615177A (en) * | 2012-03-31 | 2012-08-01 | 重庆至信实业有限公司 | Method and die for molding backseat side cover plate of automobile |
| CN202752437U (en) * | 2012-04-27 | 2013-02-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Die shared by bilaterally symmetrical plates |
| CN103008451A (en) * | 2013-01-04 | 2013-04-03 | 芜湖开瑞金属科技有限公司 | Processing technique for automobile support arm module |
| KR20150061313A (en) * | 2013-11-27 | 2015-06-04 | 신한정밀(주) | Transfer mold for reducing raw materials |
| CN205085240U (en) * | 2015-11-09 | 2016-03-16 | 厦门晟硕科技有限公司 | Tensile complete sets of integration multistation |
| CN205702075U (en) * | 2016-03-10 | 2016-11-23 | 滁州市艾德模具设备有限公司 | A kind of housing secondary deep-drawing mould |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |
|
| RJ01 | Rejection of invention patent application after publication |