CN1167661A - Device and method for physical stabilizing thin sheet - Google Patents
Device and method for physical stabilizing thin sheet Download PDFInfo
- Publication number
- CN1167661A CN1167661A CN 96111776 CN96111776A CN1167661A CN 1167661 A CN1167661 A CN 1167661A CN 96111776 CN96111776 CN 96111776 CN 96111776 A CN96111776 A CN 96111776A CN 1167661 A CN1167661 A CN 1167661A
- Authority
- CN
- China
- Prior art keywords
- thin plate
- cold deformation
- described device
- clamping area
- concrete
- 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
Images
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Disclosed are a device and a method used for processing physical stabilization treatment towards a thin plate through cold punching in a hydraulic or a pneumatic tamping machine. The tamping machine comprises a punching girder which moves vertically. A metal upper mould is arranged on the punching girder and an upper clamping surface is arranged on the underside of the upper mould. With the aim of avoiding generating corrugation, bending and crack in a cold deformed zone, the thin plate is arranged on the lower clamping surface of a metal lower mould through non-cold deformed part of the thin plate ; the non-cold deformed part of the thin plate is loaded by the upper clamping surface, ensuring the part of the thin plate to be clamped in the lower clamping surface immovably.
Description
The present invention relates to a kind of device that utilizes hydraulic pressure or pneumatic forming press one thin plate to be carried out the physically stable processing by cold stamping, this forming press has the punching press beam of a vertical direction motion, it is concrete to be provided with a patrix in the above, and the concrete downside of this patrix is furnished with a upward clamping area.
The device of above-mentioned form is used for the cold deformation of thin plate in various modes.Aspect the cold deformation of thin plate, the most basic problem be thin plate do not participate in creep in the cold deformation zone.When cold deformation, this zone is easy to twist, form ripple, bending and the crackle that may expand in the cold deformation district, thereby it is useless that the thin plate of distortion is become, and maybe must take to be used for its after the expensive back processing to its fringe region and use.
The object of the present invention is to provide a kind of device that utilizes hydraulic pressure or pneumatic forming press one thin plate to be carried out the physically stable processing by cold stamping, can carry out a cold deformation by it, and the above-mentioned ripple that is deep in the cold deformation district does not appear, bending and crackle, and can avoid expensive back processing reliably.
The object of the present invention is achieved like this, promptly adopt a kind of device that in hydraulic pressure or pneumatic forming press, thin plate is carried out the physically stable processing by cold stamping, this forming press has the punching press beam that a vertical direction moves, the patrix that is provided with a metal above it is concrete, be provided with clamping area at the concrete downside of this patrix, it is characterized in that, thereby last clamping area loads to the zone that does not participate in cold deformation of thin plate it is not clamped on the following clamping area movably, the counterdie that this time clamping area is located at a metal specifically on.
This device has the following advantages, promptly do not participate in cold deformation regional clamped, hide between clamping area and avoid any type of distortion thus reliably and form ripple and crackle, because definitely there is not the material composition can be from this regional creep that does not participate in cold deformation to the cold deformation zone.Thereby can guarantee, only in the deformed area of thin plate, produce distortion.When cold deformation, only produce pulling force radially and do not produce the compression stress of tangential direction, and the latter is the reason that causes those phenomenons of being mentioned above the appearance in the thin utmost point does not participate in the zone of cold deformation.
In addition, the invention still further relates to a kind of method of in hydraulic pressure or pneumatic forming press, thin plate being carried out the physically stable processing by cold stamping, in the method, thin plate is placed on one with its zone that does not participate in cold deformation and is located on the concrete following clamping area of a metal counterdie.
The purpose of the inventive method is identical with the purpose of apparatus of the present invention, does not promptly produce the ripple that is deep in the cold deformation district, bending and crackle, and can avoid expensive back processing.
The purpose of the inventive method is to realize like this, promptly adopt a kind of method of in hydraulic pressure or pneumatic forming press, thin plate being carried out the physically stable processing by cold stamping, in the method, thin plate is placed on one with its zone that does not participate in cold deformation and is located on the following clamping area of a metal counterdie on concrete, it is characterized in that patrix that is located on the punching press beam that a vertical direction moves is specifically shifted to down clamping area together with its last clamping area and thin plate immovably firmly is pressed on up and down between the clamping area.
Other details of the present invention will provide from following detailed description and accompanying drawing, in these accompanying drawings, show a preferred implementing form of the present invention for example.
Fig. 1 is the side view of apparatus of the present invention;
Fig. 2 is the vertical view that has the thin plate of rotational symmetric cold deformation;
Fig. 3 is the sectional view along III-III line among Fig. 2.
The device that thin plate 1 is carried out the physically stable processing that the present invention proposes is made up of hydraulic pressure or pneumatic forming press 2, this forming press has a punching press beam 3 that vertically moves, which is provided with a patrix concrete 4, is furnished with clamping area 6 at the concrete downside 5 of this patrix, this forming press 2 also has the counterdie concrete 8 of a workbench 7 and a metal, this counterdie specifically has a following clamping area 9, and this time clamping area is towards last clamping area 6 and consistent with it in size.
Counterdie concrete 8 is designed to not move.Upper and lower clamping area 6,9 loads on the zone that does not participate in cold deformation 10 of thin plate 1, and this zone preferably surrounds a cold deformation district 11 of thin plate 1 fully to small part.Between two clamping areas 6,9 surface pressing is arranged, it is greater than the breaking force of thin plate 1 in its cold deformation district 11.Clamping area 6,9 should carry out surface tempering to be handled, and this processing makes the clamping force optimization in the zone 10 of importing thin plate 1 into.Wherein, clamping area 6,9 should quench, and has a better roughness depth or the coating that can strengthen the stiction of thin plate.
Be provided with the moulding drift 12 that a vertical direction moves in forming press 2, it makes cold deformation district 11 distortion of thin plate 1 and stably loads thus.Moulding drift 12 has a chromium coating at it in the surface 13 in cold deformation district 11.The moulding drift is located in forming press 2 on beidirectional hydraulic pressure or the pneumatic cylinder 14.In forming press 2, also can be equipped with several moulding drifts 12 for thin plate 1.Wherein, moulding drift 12 has different geometries.Moulding drift 12 can be designed to rotational symmetric equally.
Forming press 2 is provided with one and moulding drift 12 corresponding to formers 16 at the upper side 15 of the drift of moulding dorsad 12 of thin plate, and during cold deformation, cold deformation district 11 stretches in this former, and this former is located in the groove 17 of a patrix concrete 4.Former 16 can be made up of metal.But also can be made up of a kind of elastomer, this elastomer produces strain by the stamping press in the cold deformation district 11 that acts on thin plate 1.In addition, former 16 also can be made up of a kind of hydraulic pressure or pneumatic shuttle.
According to another kind of form of implementation of the present invention, have the following counterdie of clamping area 9 and can be arranged to specifically that vertical direction moves, and moulding drift 12 maintains static.
Method of the present invention utilizes device of the present invention followingly to carry out:
Want the thin plate 1 of stabilization processes to place on the following clamping area 9 of counterdie concrete 8 in the forming press 2 for one, so that the zone that does not participate in cold deformation 10 of thin plate 1, basically fully by clamping area 9 coverings down, and cold deformation district 11 keeps free states.When forming press 2 work, punching press beam 3 is shifted to thin plate 1 together with patrix concrete 4, thin plate 1 in the last clamping area 6 complete overlay areas 10 of the downside 5 that is located at patrix concrete 4, and should firmly fixedly be clamped between clamping area 6 and the following clamping area 9 in zone 10.Afterwards, moulding drift 12 is shifted to the cold deformation district 11 of thin plate 1, until finish cold deformation in cold deformation district 11 scopes.At this, the hydraulic coupling of forming press produces a high surface pressing like this on the zone 10 of thin plate 1, promptly greater than the breaking force of thin plate 1 this material in its cold deformation district 11.Can guarantee by this surface pressing, when cold deformation, only produce tensile force radially and do not produce the compression stress of tangential direction, and the latter easily causes forming wrinkle theoretically in the zone 10 that does not participate in cold deformation.When last clamping area 6 and following clamping area 9 were clamped thin plate 1, the moulding drift 12 that utilizes vertical direction to move carried out cold stamping and finishes stabilization processes to thin plate.In this case, can carry out stabilization processes to thin plate by the cold deformation that can directly cause the break limit that reaches the material of thin plate 1 in cold change district 11.The special construction that obtains with the surface tempering processing form by clamping area 6,9 is for clamping region 10 required pressure fully can be turned down relatively.Surface tempering is handled and is comprised that clamping area 6,9 quenches, and has a suitable roughness depth or has a coating that improves confficient of static friction.
Moulding drift 12 should chromium plating for improving its slip with respect to the thin plate 1 in the cold deformation district 11.In addition also can be or surface 13 oilings of moulding drift 12 in cold deformation district 11, with reduce cold deformation required and be transmitted to power in the cold deformation district 11, and deformation effect is degenerated.Deformation effect also can be improved by following mode, promptly establishes a former 16 above the upside 15 of thin plate 1, and this former is positioned at the groove 17 of patrix concrete 4.The cold deformation district 11 of thin plate 1 is pressed in this former 16, and this former 16 promotes the distortion of thin plate 1.
Certainly, forming press 2 also can be designed to following form, be that moulding drift 12 maintains static, and counterdie concrete 8 is together with clamping area 9 is mobile by this way down, promptly concrete 4 move on to and still continue after clamping on the thin plate 1 that is positioned at the zone 10 on the following clamping area 9 and with it mobilely together with patrix, make the cold deformation district 11 of thin plate 1 reach the distortion of scheduled volume until moulding drift 12 at punching press beam 3.
Claims (22)
1, a kind of device that in hydraulic pressure or pneumatic forming press, thin plate is carried out the physically stable processing by cold stamping, this forming press has the punching press beam that a vertical direction moves, the patrix that is provided with a metal above it is concrete, on the concrete downside of this patrix, be provided with clamping area on, it is characterized in that, last clamping area (6) to the zone that does not participate in cold deformation (10) of thin plate (1) thus load it be not clamped on the following clamping area (9) movably, the counterdie that this time clamping area is located at a metal is specifically on (8).
According to the described device of claim 1, it is characterized in that 2, counterdie concrete (8) is located on the workbench (7) of forming press (2).
According to claim 1 or 2 described devices, it is characterized in that 3, counterdie concrete (8) is not move.
According to each described device in the claim 1 to 3, it is characterized in that 4, zone (10) surrounds the cold deformation district (11) of thin plate (1) at least in part.
5, according to each described device in the claim 1 to 4, it is characterized in that having a surface pressing between clamping area (6,9), it is greater than the breaking force of thin plate (1) in its cold deformation district (11).
According to each described device in the claim 1 to 5, it is characterized in that 6, clamping area (6,9) need carry out optimizing the surface tempering processing for the clamping force of thin plate (1), it comprises quenching, improves the coating or the improved roughness depth of static friction.
7, according to each described device in the claim 1 to 6, it is characterized in that, be provided with a moulding drift (12) that vertically moves in forming press (2), it makes cold deformation district (11) distortion of thin plate (1) also stably to its loading.
According to each described device in the claim 1 to 7, it is characterized in that 8, the moulding drift is coated with chromium on its surface towards cold deformation district (11) (13).
9, according to each described device in the claim 1 to 8, it is characterized in that, between surface (13) and cold deformation district (11), be provided with one and be coated with oil reservoir.
According to each described device in the claim 1 to 9, it is characterized in that 10, moulding drift (12) is located on the hydraulic pressure or pneumatic cylinders (14) of a dual directive effect.
11, according to each or 8 or 9 described devices in the claim 1 to 6, it is characterized in that moulding drift (12) maintains static, and counterdie concrete (8) moves vertically.
12, according to each described device in the claim 1 to 11, it is characterized in that, is that a thin plate (1) is equipped with head (12) in a plurality of moulding.
According to the described device of claim 12, it is characterized in that 13, moulding drift (12) has different geometries.
According to each described device in the claim 1 to 13, it is characterized in that 14, moulding drift (12) is designed to rotational symmetric.
15, according to each described device in the claim 1 to 14, it is characterized in that, the upside of the drift of moulding dorsad (12) of thin plate (1) be provided with one with the corresponding former of moulding drift (12) (16), cold deformation district (11) insert into the inner when it is out of shape.
According to each described device in the claim 1 to 15, it is characterized in that 16, former (16) is located in the groove (17) that is placed within the patrix concrete (4).
According to each described device in the claim 1 to 16, it is characterized in that 17, former (16) is made of a kind of elastomer.
18, according to each described device in the claim 1 to 16, it is characterized in that former is made of a kind of hydraulic pressure or pneumatic means.
19, a kind of method of in hydraulic pressure or pneumatic forming press, thin plate being carried out the physically stable processing by cold stamping, in the method, thin plate is placed on one with its zone that does not participate in cold deformation and is located on the following clamping area of a metal counterdie on concrete, it is characterized in that, patrix concrete (4) that is located on the punching press beam that a vertical direction moves shift to down clamping area (9) together with its last clamping area (6) and thin plate (1) immovably firmly is pressed on about between the clamping area (6,9).
20, in accordance with the method for claim 19, it is characterized in that, and the cold deformation district (11) that is clamped in the adjacent thin plate (1) in zone (10) between two clamping areas (6,9) securely is deformed in the scope of its punching press beam (3) that relatively move by moulding drift (12).
According to claim 19 or 20 described methods, it is characterized in that 21, cold deformation district (11) are pressed in the former (16) of a support cold deformation, this former conforms to the moulding drift.
According to each described method in the claim 19 to 21, it is characterized in that 22, thin plate (1) is pressed towards of former (16) when the cold deformation by its cold deformation district (11) and supports distortion, flexible, pneumatic or hydraulic means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1996122799 DE19622799A1 (en) | 1996-06-07 | 1996-06-07 | Fixing sheet-metal blanks during cold-forming operations |
| DE19622799.2 | 1996-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1167661A true CN1167661A (en) | 1997-12-17 |
Family
ID=7796350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96111776 Pending CN1167661A (en) | 1996-06-07 | 1996-08-28 | Device and method for physical stabilizing thin sheet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1167661A (en) |
| DE (1) | DE19622799A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890448A (en) * | 2010-08-09 | 2010-11-24 | 江苏绿盛环境工程有限公司 | Moulding press for reinforcing pressureproof steel plate |
| CN102399958A (en) * | 2010-09-07 | 2012-04-04 | 上海明嘉金属科技有限公司 | Shaping apparatus of precise continuous cold punching mold |
| CN101767133B (en) * | 2010-01-20 | 2013-02-13 | 浙江中隧桥波形钢腹板有限公司 | Mould pressing corrugated steel web molding method and special mould pressing device |
| CN101522333B (en) * | 2006-10-31 | 2013-06-12 | 杰富意钢铁株式会社 | Method of metal sheet press forming and skeletal part for vehicle produced thereby |
| CN114603031A (en) * | 2022-03-21 | 2022-06-10 | 阿维塔科技(重庆)有限公司 | Side wall outer plate charging port/oil filling port forming method and die and corresponding product |
-
1996
- 1996-06-07 DE DE1996122799 patent/DE19622799A1/en not_active Withdrawn
- 1996-08-28 CN CN 96111776 patent/CN1167661A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101522333B (en) * | 2006-10-31 | 2013-06-12 | 杰富意钢铁株式会社 | Method of metal sheet press forming and skeletal part for vehicle produced thereby |
| CN101767133B (en) * | 2010-01-20 | 2013-02-13 | 浙江中隧桥波形钢腹板有限公司 | Mould pressing corrugated steel web molding method and special mould pressing device |
| CN101890448A (en) * | 2010-08-09 | 2010-11-24 | 江苏绿盛环境工程有限公司 | Moulding press for reinforcing pressureproof steel plate |
| CN102399958A (en) * | 2010-09-07 | 2012-04-04 | 上海明嘉金属科技有限公司 | Shaping apparatus of precise continuous cold punching mold |
| CN114603031A (en) * | 2022-03-21 | 2022-06-10 | 阿维塔科技(重庆)有限公司 | Side wall outer plate charging port/oil filling port forming method and die and corresponding product |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19622799A1 (en) | 1997-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100236867B1 (en) | Stretch controlled forming mechanism and method for forming multiple gauge welded blanks | |
| JP5208973B2 (en) | Method and bending press for bending edge band of sheet metal formed into open seam tube | |
| US4676086A (en) | Press of pressure cell type | |
| US8387524B2 (en) | Apparatus and method for compensating for stress deformation in a press | |
| CA2181931C (en) | Drawing method and apparatus | |
| JPWO2010101295A1 (en) | Metal plate processing apparatus and processing method | |
| US4770015A (en) | Process and device for press-forming sheet material having a small elongation | |
| CN101264495A (en) | High-tension metal plate shaping manufacturing method and the punching equipment | |
| CN1167661A (en) | Device and method for physical stabilizing thin sheet | |
| US3978706A (en) | Precision bending work method for metallic materials | |
| GB1489257A (en) | Precision bending of metals | |
| KR102446094B1 (en) | Bending press molds that supports lateral load in an internal support mothod by processing the upper pad and lower punch | |
| US4573335A (en) | Hydraulic press with pressure cell | |
| CN1074950C (en) | Hydraulic stretching apparatus of pressing machine for stretching thin plate formed products | |
| US5408858A (en) | Bending machine utilizing controlled expandable pressure device to apply uniform pressure to work material | |
| CN216297677U (en) | Fixture processing device | |
| KR200235125Y1 (en) | Press mold apparatus for bending molding | |
| Kirii et al. | Binding force control of uni-pressure cushion in automobile panel stamping | |
| CN212598082U (en) | Hydraulic V-shaped bending machine for sheet materials | |
| KR200142951Y1 (en) | Complex die of press | |
| JP7069998B2 (en) | Manufacturing method and press forming device for automobile outer panel having concave embossed portion | |
| US4377942A (en) | Method of bending metal sheet | |
| CN211645279U (en) | Leather knurling structure | |
| CN107570597A (en) | A kind of metal plate anchor ear machine | |
| KR950009212Y1 (en) | Pressing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |