CN1062200C - Two-step rings billet punching formation and composite die used therein - Google Patents
Two-step rings billet punching formation and composite die used therein Download PDFInfo
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- CN1062200C CN1062200C CN97116030A CN97116030A CN1062200C CN 1062200 C CN1062200 C CN 1062200C CN 97116030 A CN97116030 A CN 97116030A CN 97116030 A CN97116030 A CN 97116030A CN 1062200 C CN1062200 C CN 1062200C
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Abstract
The present invention relates to a stamping technology for the existing steel collar blank and an improvement of used moulds, namely that strip steel is used as raw materials, a modern four-procedure stamping and shaping method is replaced by a two-procedure stamping and shaping method, and four sets of moulds used for the existing method is replaced by two sets of special composite moulds used for the method of the present invention to stamp the steel collar blank. The stamping technology overcomes the defects of long procedure, consumption of manpower, material resources and financial power, more occupied fields, inconvenient management and low quality of the steel collar blank and has the advantages of easy popularization and quick effect.
Description
The present invention relates to the improvement to existing ring blank Sheet Metal Forming Technology and mould therefor, more specifically say, the present invention is to be raw material with the band steel, adopts two cover composite dies, two-step drawing manufactured ring blank.
Rings is one of crucial accessory special-purpose on spinning frame and the twisting machine, and consumption is big, and is fragile.With the band steel is that the production technology of raw-material existing rings is that subpunch is pressed into ring blank, make rings through operations such as finish turning, calendering, heat treatments again, wherein the method for punching press system ring blank is to adopt the flat four operation forming processes of blanking and drawing, punching, side cut and gram.Existing this four operation punching formations need the quadruplet mould promptly: blanking and drawing mould, punching die, shaving die and gram flat-die tool, on four punch presses, divide four drawings, just can make ring blank, therefore, exist significant disadvantages: 1. operation is long, and consume too much human and material resources, financial resources and place and inconvenience management: 2. stock utilization is low; 3. ring blank is second-rate.
The objective of the invention is, provide a kind of operation short, it is few and be convenient to management to consume human and material resources, financial resources and place; The utilization rate of raw materials height; The composite die that the two-step punching formation of the measured spinning frame ring blank of ring blank matter and this method are used.
Realize the technical scheme of the object of the invention: providing a kind of is the two-step punching formation of raw-material ring blank with the band steel, it is characterized in that having following two-step:
First operation is a blanking and drawing punching hole flanging operation, with a cover blanking and drawing punching hole flanging composite die, be installed on the suitable punch press, to band steel bar material, implement a punching press, finish blanking, pull and stretch, punching, hole flanging successively, then, eject the operation part through the counterdie stooling, punched scrap is leaked down by the centre bore of pull and stretch punching punch-die;
Second operation is the deburring trimming, with a cover deburring shaping composite die, is installed on the suitable punch press, to operation part from first operation, implement a punching press, finish deburring, shaping successively, then, get, promptly make ring blank by dnockout bolt and upper mold core.
The used composite die of above-mentioned two-step punching formation, a cover deburring shaping composite die used by used cover blanking and drawing punching hole flanging composite die and second operation of first operation constitutes, and the patrix of last cover comprises: die shank, knockout rod, upper bolster, piercing punch, blanking and drawing punch-die and take off the material cover; Counterdie comprises: counterdie stooling, pull and stretch punching punch-die and blanking die, wherein the aperture φ d of the pull and stretch punching punch-die of counterdie
1Aperture φ d less than the operation part
2The patrix of back one cover comprises: die shank, shaping deburring die, upper mold core and dnockout bolt; Counterdie comprises: location core, shaping punch and following die bush seat, the inner chamber of the shaping deburring die of patrix wherein, lowermost part is a male-tapered, part on male-tapered is and smooth be connected cylindrical of male-tapered, the remainder of inner chamber is cylindrical, its diameter ratio and smooth be connected cylindrical little of male-tapered.
Technique effect of the present invention: 1. owing to adopt a cover blanking and drawing punching hole flanging composite die and a cover deburring shaping composite die in the inventive method, ring blank is made in the two-step punching press, than existing quadruplet mould, four operation punching formation operations are short, and the human and material resources of consumption, financial resources and occupied ground all significantly reduce and manage also more convenient; 2. because the used blanking and drawing punching hole flanging composite die of first operation in the used composite die of the inventive method, the aperture φ d of its pull and stretch punching punch-die
1Aperture φ d less than the operation part
2, punched scrap is few, has saved raw material; Owing to the used deburring shaping composite die of second operation, the lowermost part of its shaping deburring die inner chamber is a male-tapered again, and during deburring, the end cylindrical of operation part is got in the shaping deburring die inner chamber, and is not washed out, and therefore, has improved utilization rate of raw materials; 3. because the inventive method only need be used two molds, on two punch presses, the drawing that divides two-step to finish ring blank, workpiece location number of times is few, the good concentricity between the inside and outside circle of ring blank, interior bore and the end external diameter, therefore, the ring blank quality improves.
Be further described in detail below in conjunction with the two-step punching formation and the composite die used therein of drawings and Examples ring blank of the present invention.
Fig. 1 is the two-step punching formation technological process block-diagram of ring blank of the present invention
Fig. 2 is first operation of ring blank two-step punching formation of the present invention and a used cover blanking and drawing punching hole flanging composite die schematic diagram
Fig. 3 is second operation of ring blank two-step punching formation of the present invention and a used cover deburring shaping composite die schematic diagram
The schematic diagram of the operation part that Fig. 4 obtains for first operation of ring blank two-step punching formation of the present invention
Fig. 5 is the ring blank schematic diagram that second operation of ring blank two-step punching formation of the present invention obtains
Fig. 6 is the schematic diagram of the pull and stretch punching punch-die of the used blanking and drawing punching of the inventive method hole flanging composite die
Fig. 7 is the schematic diagram of the pull and stretch punching punch-die in the existing blanking and drawing punching hole composite die tool
1. the composite die that two-step punching formation of the present invention uses
As Fig. 2, Fig. 4, Fig. 6 and shown in Figure 7, the employed cover blanking and drawing punching hole flanging composite die of first operation in the two-step punching formation composite die used therein of the present invention, its patrix comprises: die shank (1), knockout rod (2), upper bolster (3), piercing punch (4), blanking and drawing punch-die (5) and take off material and overlap (6); Counterdie comprises: counterdie stooling (8), pull and stretch punching punch-die (9) and blanking die (10), wherein the aperture φ d of the pull and stretch punching punch-die (9) of counterdie
1Aperture φ d less than operation part (12)
2Like this, not only the wall thickness t of pull and stretch punching punch-die (9) as shown in Figure 6 is greater than the wall thickness t ' of the punching concave die of as shown in Figure 7 existing blanking and drawing punching hole composite die tool, the also minimum wall thickness (MINI W.) of the blanking die that requires greater than punch designs, satisfied the requirement of punching press to mold wall thickness, and pass through hole flanging and unnecessary material can be turned over into operation part (12), make the aperture of operation part (12) reach desired φ d
2And improved raw-material utilization rate.
As Fig. 3 and shown in Figure 5, the used cover deburring shaping composite die of second operation in the two-step punching formation composite die used therein of the present invention, its patrix comprises: die shank (15), shaping deburring die (17), upper mold core (18) and dnockout bolt (16); Counterdie comprises: location core (19), shaping punch (21) and following die bush seat (22), the inner chamber of the shaping deburring die (17) of patrix wherein, lowermost part (23) is a male-tapered, part on male-tapered (24) is and smooth be connected cylindrical of male-tapered, the remainder of inner chamber (25) is cylindrical, its diameter ratio and smooth be connected cylindrical little of male-tapered.Because the inner chamber of shaping deburring die (1), lowermost part (24) is a male-tapered, and during with this composite die deburring, the diameter of operation part (12) is φ d
3End cylindrical, got into the inner chamber of shaping deburring die (17), and be not stamped, therefore, this mould can be finished deburring, forms the waste material that need return again and has improved raw-material utilization rate.
2. embodiment
With the band steel is raw material, and the two-step punching formation is made the spinning frame ring blank, and concrete implementation step is as follows:
At first implementing first operation is blanking and drawing punching hole flanging operation: with the used blanking and drawing punching hole flanging composite die of the inventive method as shown in Figure 2, be installed on the suitable punch press of stamping press, band steel bar material (13) is let alone between stripper plate (7) and the whole counterdie also with locating piece (11) location, start punch press, the whole patrix of above-mentioned composite die is descended, blanking die (10) at first carries out blanking with blanking and drawing punch-die (5), whole patrix continues to descend, blanking and drawing punch-die (5) carries out pull and stretch with pull and stretch punching punch-die (9), when pull and stretch arrived certain altitude, it was φ d that piercing punch (4) is gone out an aperture with pull and stretch punching punch-die (9)
1Aperture, whole patrix continues to descend again, pull and stretch punching punch-die (9) carries out hole flanging, is φ d until the aperture of operation part (12)
2Till, whole patrix rises.Through the operation part (12) as shown in Figure 4 that counterdie stooling (8) ejects, steel going along with is seen off, and punched scrap (14) is leaked down by the centre bore of pull and stretch punching punch-die (9).
Implementing second operation then is the deburring trimming: with the used deburring shaping composite die of the inventive method as shown in Figure 3, be installed on the suitable punch press of stamping press, will be from the operation part (12) of first operation, go up the location at location core (19), start punch press, the whole patrix of deburring shaping composite die is descended, shaping deburring die (17) inner chamber lowermost part (23), with the diameter of operation part (12) be φ d
3End cylindrical contact, be extruded gradually thereupon, enter in the part (24) on the male-tapered of shaping deburring die (17) inner chamber, finish deburring, whole patrix continues to descend, shaping deburring die (17), upper mold core (18), carry out shaping with shaping punch (21), following die bush seat (22), location core (19), until reaching required size, whole patrix rises, get by dnockout bolt (16) and upper mold core (18) then, promptly make ring blank (20) as shown in Figure 5.
The ring blank that the inventive method makes can carry out operations such as finish turning, calendering, heat treatment with existing method, make the rings that uses on spinning frame and the twisting machine.Owing to adopt two-step punching formation of the present invention and used composite die, the operation that has overcome existing four operation punching formations is long, utilization rate of raw materials is low, management is inconvenient, ropy shortcoming, therefore, can reduce operation by the inventive method and with the used composite die of the inventive method, make the measured ring blank of low cost and matter, the practical value height is easy to promote instant effect.
Claims (2)
1, a kind of is the two-step punching formation of raw-material ring blank with the band steel, it is characterized in that having following two-step:
First operation is a blanking and drawing punching hole flanging operation, with a cover blanking and drawing punching hole flanging composite die, be installed on the suitable punch press, to band steel bar material (13), implement a punching press, finish blanking, pull and stretch, punching, hole flanging successively, then, eject operation part (12) through counterdie stooling (8), punched scrap (14) is leaked down by the centre bore of pull and stretch punching punch-die (9);
Second operation is the deburring trimming, with a cover deburring shaping composite die, be installed on the suitable punch press, to operation part (12) from first operation, implement a punching press, finish deburring, shaping successively, then, get by dnockout bolt (16) and upper mold core (18), promptly make ring blank (20).
2, a kind of is the used composite die of two-step punching formation of raw-material ring blank with the band steel, it is characterized in that, a cover deburring shaping composite die used by used cover blanking and drawing punching hole flanging composite die and second operation of first operation constitutes, and the patrix of last cover comprises: die shank (1), knockout rod (2), upper bolster (3), piercing punch (4), blanking and drawing punch-die (5) and take off material and overlap (6); Counterdie comprises: counterdie stooling (8), pull and stretch punching punch-die (9) and blanking die (10), wherein the aperture φ d of the pull and stretch punching punch-die (9) of counterdie
1Aperture φ d less than operation part (12)
2The patrix of back one cover comprises: die shank (15), shaping deburring die (17), upper mold core (18) and dnockout bolt (16); Counterdie comprises: location core (19), shaping punch (21) and following die bush seat (22), the inner chamber of the shaping deburring die (17) of patrix wherein, lowermost part (23) is a male-tapered, part on male-tapered (24) is and smooth be connected cylindrical of male-tapered, the remainder of inner chamber (25) is cylindrical, its diameter ratio and smooth be connected cylindrical little of male-tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97116030A CN1062200C (en) | 1997-08-08 | 1997-08-08 | Two-step rings billet punching formation and composite die used therein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97116030A CN1062200C (en) | 1997-08-08 | 1997-08-08 | Two-step rings billet punching formation and composite die used therein |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1207968A CN1207968A (en) | 1999-02-17 |
| CN1062200C true CN1062200C (en) | 2001-02-21 |
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ID=5173630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97116030A Expired - Fee Related CN1062200C (en) | 1997-08-08 | 1997-08-08 | Two-step rings billet punching formation and composite die used therein |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062200C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100402177C (en) * | 2006-07-19 | 2008-07-16 | 中国重型汽车集团有限公司 | Punch process of integral automobile metal bumper |
| CN101190449B (en) * | 2006-11-29 | 2010-05-19 | 比亚迪股份有限公司 | Flanging shaping method for die orifice without concave die |
| CN101549380B (en) * | 2008-04-03 | 2011-02-09 | 上海大众汽车有限公司 | Resilience control method for moulding top surface of car roof |
| CN102091746B (en) * | 2009-12-15 | 2012-11-28 | 上海拖拉机内燃机有限公司 | Compound molding process of integral automobile body metal stamping part |
| CN102601195B (en) * | 2012-03-13 | 2014-05-28 | 中国重汽集团济南动力有限公司 | Pier thickness stamping process of separated pull ring and pier thickness stamping die |
| CN102632366A (en) * | 2012-04-09 | 2012-08-15 | 宜兴华威封头有限公司 | Medical nuclear magnetic resonance equipment head processing method |
| CN103521831B (en) * | 2013-10-21 | 2016-06-08 | 济南沃德汽车零部件有限公司 | Valve overlap punching and shearing device |
| CN103611805A (en) * | 2013-11-20 | 2014-03-05 | 江苏荣腾精密组件科技股份有限公司 | Punching stretching tool |
| CN103639300A (en) * | 2013-11-27 | 2014-03-19 | 梧州恒声电子科技有限公司 | Trimming, punching and hole-flanging one-step forming die |
| DE102014000299B3 (en) * | 2014-01-15 | 2015-07-16 | Rixen Wolfgang | Method for producing passages in a metallic body by means of high-speed shear cutting and its use |
| CN104259285B (en) * | 2014-07-28 | 2016-02-24 | 中航湖南通用航空发动机有限公司 | The forming method of a kind of aeroengine combustor buring room back-up ring and fixture thereof |
| CN105855383A (en) * | 2016-04-06 | 2016-08-17 | 湖南大学 | Connection method and hole punching and flanging die for carbon fibers and light alloy |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049463A (en) * | 1989-08-28 | 1991-02-27 | 西安交通大学 | A kind of new method of ring blank processing |
-
1997
- 1997-08-08 CN CN97116030A patent/CN1062200C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049463A (en) * | 1989-08-28 | 1991-02-27 | 西安交通大学 | A kind of new method of ring blank processing |
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|---|---|
| CN1207968A (en) | 1999-02-17 |
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