CN106513500B - A kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die - Google Patents
A kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die Download PDFInfo
- Publication number
- CN106513500B CN106513500B CN201611014711.XA CN201611014711A CN106513500B CN 106513500 B CN106513500 B CN 106513500B CN 201611014711 A CN201611014711 A CN 201611014711A CN 106513500 B CN106513500 B CN 106513500B
- Authority
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- China
- Prior art keywords
- cutter block
- plate
- trimming
- deburring
- die
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000008569 process Effects 0.000 title claims abstract description 42
- 238000009966 trimming Methods 0.000 title claims abstract description 37
- 238000004080 punching Methods 0.000 claims abstract description 19
- 238000007493 shaping process Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 7
- 210000003734 kidney Anatomy 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 13
- 230000006872 improvement Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The present invention relates to a kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die, including blanking process, molding procedure, first time deburring and punching operation, second of trimming process step, third time trimming process step and trimming；Trimming Die includes lower template, positioning plate, lower die cutter block, cope plate, holding pad, upper mold cutter block and upper die plate.In the technical program, former technique is fallen into middle perforate, the action of four apertures of punching is adjusted in improved three trimming process steps, purpose is can be better controled in forming process, because after shaping, there are deburring angle problem, three process deburrings are improved to by a process blanking, although adding number of molds, the quality of shaped article improves a lot.
Description
Technical field
The invention belongs to Sheet Metal Forming Technology technical field, particularly relates to a kind of MPV vehicles cross-beam connecting plate punch forming process
And used Trimming Die.
Background technology
Body of a motor car accounts for the 30% of automobile gross weight, and under no-load condition, about 75% oil consumption is with body quality.Gently
Quantization is the effective way for reducing automobile fuel consumption, reducing discharge, improving vehicle fuel economy.The use of high-strength steel is vapour
The important channel of car body lightening, and high-strength steel is during punch forming, the problems such as distortion is to limit it caused by springing back
One key factor of quality.Good moulding process can effectively control rebound, ensure stamping parts quality.
As depicted in figs. 1 and 2, it is MPV vehicle cross-beam connecting plate schematic diagrames, in vehicle body, this stamping parts is with vehicle body axis
Symmetrical, Fig. 1 and Fig. 2 show the 3rd beam left connecting plate, and right side part is the 3rd crossbeam right connection board, the spy of the stamping parts
Point is that have a perforate 01 among stamping parts, has flange in this stamping parts both sides.
Traditional forming method as shown in figs. 3 and 10, comprises the following steps：
1) blanking, i.e., include middle perforate along stamping parts material sideline and carry out blanking；
2) it is molded, i.e., by the plate after blanking, is molded carry out flange；
3) punching, i.e., four apertures of flat die on molding stamping parts.
This technique among stamping parts because be provided with perforate, and therefore, in forming process, plate flowing is not easy to control, into
Stamping parts distortion is serious after type, and stability is poor.
If the perforate most among backlash, ordinary circumstance need side to repair, waste material discharge is difficult to realize, and mould structure is complicated,
Such as use and just repair, it is also desirable to solve the problems, such as punching press negative angle.
The content of the invention
The object of the present invention is to provide a kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die, to solve
The problem of stamping parts distortion is serious, and stability is poor；
Another object of the present invention is by optimizing mould structure, and to solve, waste material is difficult to discharge and punching press negative angle is difficult to
Solve the problems, such as.
The present invention is achieved by the following technical solutions：
A kind of MPV vehicles cross-beam connecting plate punch forming process, comprises the following steps：
1) blanking, rushes master positioning hole and auxiliary location hole on bar shaped plate first, and carries out blanking along blank line；
2) it is molded, the blank after blanking is molded, while realizes the shaping flange of two sides, two sides
The shaping flange of the shaping flange of the lower flange of lower part and the side flanging of the front end of two sides, is made crude green body material；
3) first time deburring and punching, the crude green body material upper plane along setting middle perforate on described plane
The upper trimming line that position is formed carries out the hole of first time deburring and punching press on described in plane；
4) second of deburring, after step 3), the left trimming line that is formed along the middle perforate of the setting on left side
Carry out second of deburring；
5) third time deburring, after step 4), the right trimming line that is formed along the middle perforate of the setting in right edge
Carry out third time deburring；
6) after step 5), the stamping parts after deburring is carried out whole.
The master positioning hole is round hole, and the auxiliary location hole is irregularly-shaped hole.
The auxiliary location hole is kidney slot.
A kind of Trimming Die for any of the above-described MPV vehicle cross-beam connecting plate punch forming process, including lower template,
Positioning plate, lower die cutter block, cope plate, holding pad, upper mold cutter block and upper die plate；
The lower die cutter block is installed in the lower template, and the positioning plate is installed in the lower die cutter block；
The upper die plate is fixed on the cope plate, and the upper mold cutter block is fixed on the upper die plate, described
Holding pad and the upper die plate are elastic connection；
The lower die cutter block includes lower-left mould cutter block and bottom right mould cutter block, the lower-left mould cutter block and the bottom right mould cutter block
It is symmetrical along the center line of the holding pad；
The upper face of the lower-left mould cutter block and the upper face of bottom right mould cutter block have 5 degree of angle with horizontal plane.
The beneficial effects of the invention are as follows：
The technical program is by optimizing moulding process, in blanking process, former technique blanking first by the outer contour of blank and
Middle perforate, which drops out, to be come, and the modified technique of the technical program is only to drop out by the outer contour of blank in blanking process,
The perforate of centre is not rushed, and increases by two location holes of punching in advance, for playing positioning action, to avoid plate in forming process
Play.
In the technical program, two location hole techniques are added, does not have the perforate for first processing centre in sheet metal forming, makes
Obtain plate uniformly to contact with die face in forming process, relative to former process contact face bigger, the flowing of plate can lead to
Mould is crossed preferably to control.
In the technical program, by the middle perforate that falls of former technique, after the actions of four apertures of punching is adjusted to improvement
Three trimming process steps in, it is therefore an objective to can be better controled in forming process because there are deburring angle problem after shaping,
Three process deburrings are improved to by a process blanking, although adding number of molds, the quality of shaped article has larger
Improve.
The technical program increases trimming, carries out shaping to two sides flange position, further improves precision of stamping parts.
Brief description of the drawings
Fig. 1 is MPV vehicle cross-beam connecting plate schematic diagrames；
Fig. 2 is the MPV vehicle cross-beam connecting plate schematic diagrames with middle perforate trimming line；
Fig. 3 is blanking process schematic diagram；
Fig. 4 is blanking Layout of the present invention；
Fig. 5 is punch forming process blank structure schematic diagram；
Fig. 6 adds punching operation blank structure schematic diagram for first time deburring；
Fig. 7 is second of trimming process step blank structure schematic diagram；
Fig. 8 is third time trimming process step blank structure schematic diagram；
Fig. 9 is trimming blank structure schematic diagram；
Figure 10 is moulding process of the present invention and existing process contrast table；
Figure 11 is Trimming Die lower die schematic diagram；
Figure 12 is Trimming Die upper mold schematic diagram；
Figure 13 is lower die cutter block, holding pad and upper mold cutter block combination diagram；
Figure 14 is lower die cutter block schematic diagram.
Description of reference numerals
01 perforate, 1 blank line, 2 plate lines, 3 master positioning holes, 4 auxiliary location holes, the shaping flange of 5 two sides, is turned under 6
The shaping flange on side, the shaping flange of the side flanging of 7 front ends, trimming line on 8,9 left trimming lines, 10 right trimming lines, 11 flange, 12
Lower template, 13 positioning plates, 14 lower die cutter blocks, 15 stamping procedure parts, 16 cope plates, 17 holding pads, 18 upper mold cutter blocks, die-cushion on 19
Plate.
Embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, following embodiment is only exemplary, only
It can be used for explanation and illustration technical scheme, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of MPV vehicles cross-beam connecting plate punch forming process, as shown in Fig. 4 to Figure 10, including it is following
Step：
1) blanking, rushes master positioning hole and auxiliary location hole on bar shaped plate first, and carries out blanking along blank line；Specifically such as
Shown in Fig. 4, bar shaped plate is obtained into product required shape in punching course by blanking, in the figure, embodies ejecting plate
Stockline 2, blank line 1, master positioning hole 3 and auxiliary location hole 4, the master positioning hole are round hole, and the auxiliary location hole is irregularly-shaped hole,
The auxiliary location hole is kidney slot.Location hole and auxiliary location hole play the role of positioning in subsequent forming process.
2) it is molded, the blank after blanking is molded, while realizes the shaping flange 5 of two sides, two sides
The shaping flange 7 of the shaping flange 6 of the lower flange of side lower part and the side flanging of the front end of two sides, is made crude green body material；Such as Fig. 5
Shown, this process is conventional molding procedure, after this process, is substantially achieved the shape of product.
3) first time deburring and punching, the crude green body material upper plane along setting middle perforate on described plane
The upper trimming line 8 that position is formed carries out the hole of first time deburring and punching press on described in plane；As shown in fig. 6, pass through mould
Effect, carries out four apertures of first time deburring and punching.
4) second of deburring, after step 3), the left trimming line 9 that is formed along the middle perforate of the setting on left side
Carry out second of deburring；As shown in fig. 7, by mould action, deburring is carried out along left trimming line, this process deburring needs to solve punching
Press negative angle problem, it is impossible to which, using traditional dies, specific mould structure sees below the description of the mould structure of sequence.
5) third time deburring, after step 4), the right trimming line that is formed along the middle perforate of the setting in right edge
10 carry out third time deburring；As shown in figure 8, by mould action, deburring is carried out along right trimming line, this trimming line with second
Trimming line is symmetrical along stamping parts own axes.
6) after step 5), shaping is carried out to the stamping parts after deburring.As shown in figure 9, punching press in-process stress after deburring
Release, causes stamping parts to produce rebound, this process carries out shaping along flange 11, mitigates rebound, improves stamping parts quality.
The application also provides a kind of trimming die for any of the above-described MPV vehicle cross-beam connecting plate punch forming process
Tool, as shown in Figure 11 to 14, including lower template 12, positioning plate 13, lower die cutter block 14, cope plate 16, holding pad 17, upper mold knife
Block 18 and upper die plate 19.
The lower die cutter block is installed in the lower template, and the positioning plate is installed in the lower die cutter block；
The upper die plate is fixed on the cope plate, and the upper mold cutter block is fixed on the upper die plate, described
Holding pad and the upper die plate are elastic connection；
The lower die cutter block includes lower-left mould cutter block and bottom right mould cutter block, the lower-left mould cutter block and the bottom right mould cutter block
It is symmetrical along the center line of the holding pad；
The upper face of the lower-left mould cutter block and the upper face of bottom right mould cutter block have the folder more than 5 degree with horizontal plane
Angle.
During work, stamping procedure part 15 is put into lower die cutter block, one end is contacted with positioning plate, is played the role of positioning, and makes punching
The type face of pressure process part processing is close on the type face of lower die cutter block, and upper mould drives holding pad 17,18 downlink of upper mold cutter block, holding pad
17 contact with the process part processing in lower die cutter block 14 first, and process part processing is compressed.It is motionless that mould continues traveling downwardly holding pad 17, upper mold knife
Block 18 continues traveling downwardly, and when touching process part processing, shearing motion is produced under three's collective effect, that is, completes deburring.
Structure is emptied in 14 lower part of lower die cutter block, in the case of proof strength, solves the problems, such as negative angle, while lower die cutter block 14
Upper face has 5 ° of angles with horizontal plane, i.e. process part processing has certain inclination, effectively the row's of solution waste problems.
It the above is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression, and
Objectively there are unlimited concrete structure, for those skilled in the art, the principle of the invention is not being departed from
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
- A kind of 1. MPV vehicles cross-beam connecting plate punch forming process, it is characterised in that：Comprise the following steps：1) blanking, rushes master positioning hole and auxiliary location hole on bar shaped plate first, and carries out blanking along blank line；2) it is molded, the blank after blanking is molded, while realizes the shaping flange of two sides, two sides lower part Lower flange shaping flange and two sides front end side flanging shaping flange, crude green body material is made；3) first time deburring and punching, in the position of middle perforate plane on described of the upper plane edge setting of the crude green body material The upper trimming line formed carries out the hole of first time deburring and punching press on described in plane；4) second of deburring, after step 3), the left trimming line formed along the middle perforate of the setting on left side carries out Second of deburring；5) third time deburring, after step 4), the right trimming line formed along the middle perforate of the setting in right edge carries out Third time deburring；6) after step 5), shaping is carried out to the stamping parts after deburring.
- 2. MPV vehicles cross-beam connecting plate punch forming process according to claim 1, it is characterised in that：The master positioning Hole is round hole, and the auxiliary location hole is irregularly-shaped hole.
- 3. MPV vehicles cross-beam connecting plate punch forming process according to claim 2, it is characterised in that：The auxiliary positioning Hole is kidney slot.
- A kind of 4. trimming die for any one of the claims 1 to 3 MPV vehicle cross-beam connecting plate punch forming process Tool, it is characterised in that：Including lower template, positioning plate, lower die cutter block, cope plate, holding pad, upper mold cutter block and upper die plate；The lower die cutter block is installed in the lower template, and the positioning plate is installed in the lower die cutter block；The upper die plate is fixed on the cope plate, and the upper mold cutter block is fixed on the upper die plate, the binder Plate and the upper die plate are elastic connection；The lower die cutter block includes lower-left mould cutter block and bottom right mould cutter block, and the lower-left mould cutter block and the bottom right mould cutter block are along institute The center line for stating holding pad is symmetrical；The upper face of the lower-left mould cutter block and the upper face of bottom right mould cutter block have 5 degree of angle with horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014711.XA CN106513500B (en) | 2016-11-18 | 2016-11-18 | A kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014711.XA CN106513500B (en) | 2016-11-18 | 2016-11-18 | A kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106513500A CN106513500A (en) | 2017-03-22 |
| CN106513500B true CN106513500B (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014711.XA Expired - Fee Related CN106513500B (en) | 2016-11-18 | 2016-11-18 | A kind of MPV vehicles cross-beam connecting plate punch forming process and Trimming Die |
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| Country | Link |
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| CN (1) | CN106513500B (en) |
Families Citing this family (8)
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| CN107775286A (en) * | 2017-10-08 | 2018-03-09 | 成都飞机工业（集团）有限责任公司 | A kind of processing method of the not contour strip thin-walled parts of small surplus |
| CN109967613B (en) * | 2017-12-28 | 2024-04-09 | 上海众大汽车配件有限公司 | Inside reinforcement mould for automobile rear longitudinal beam |
| CN109127839A (en) * | 2018-10-19 | 2019-01-04 | 佛山市联若五金实业有限公司 | A kind of moulding process of dedicated connecting plate |
| CN110297459B (en) * | 2019-07-22 | 2020-08-14 | 东莞市中泰模具股份有限公司 | Trimming die manufacturing method, computer-readable storage medium, and CNC trimming die manufacturing machine |
| CN112058994B (en) * | 2020-08-31 | 2022-03-18 | 安徽江淮汽车集团股份有限公司 | Trimming method for automobile tail lamp installation seat plate and notch cutter block structure |
| CN112139327B (en) * | 2020-09-18 | 2022-08-19 | 中国航发贵州黎阳航空动力有限公司 | Machining method and machining device for reverse structure hole |
| CN112676454B (en) * | 2020-12-09 | 2023-05-30 | 东风(武汉)实业有限公司 | Swing arm stamping process method and swing arm |
| CN113086023A (en) * | 2021-03-31 | 2021-07-09 | 安徽江淮汽车集团股份有限公司 | Floor edge beam and manufacturing process thereof |
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|---|---|---|---|---|
| CN100503076C (en) * | 2005-12-12 | 2009-06-24 | 比亚迪股份有限公司 | Method for forming crossbeam workpiece |
| CN103182421A (en) * | 2011-12-27 | 2013-07-03 | 上海众大汽车配件有限公司 | Production line of automobile wheel cover parts |
| CN103624144A (en) * | 2013-11-21 | 2014-03-12 | 东风汽车公司 | Sheet metal forming technology of front floor threshold girder of automobile |
| CN204208969U (en) * | 2014-11-06 | 2015-03-18 | 上海拖拉机内燃机有限公司 | A kind of deburring blanking composite die |
| CN205147069U (en) * | 2015-11-06 | 2016-04-13 | 重庆钺行汽车零部件制造有限公司 | Tie -beam deburring duplex position mould |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119728A (en) * | 1997-07-02 | 1999-01-26 | Aida Eng Ltd | Press device using double-acting press machine |
-
2016
- 2016-11-18 CN CN201611014711.XA patent/CN106513500B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100503076C (en) * | 2005-12-12 | 2009-06-24 | 比亚迪股份有限公司 | Method for forming crossbeam workpiece |
| CN103182421A (en) * | 2011-12-27 | 2013-07-03 | 上海众大汽车配件有限公司 | Production line of automobile wheel cover parts |
| CN103624144A (en) * | 2013-11-21 | 2014-03-12 | 东风汽车公司 | Sheet metal forming technology of front floor threshold girder of automobile |
| CN204208969U (en) * | 2014-11-06 | 2015-03-18 | 上海拖拉机内燃机有限公司 | A kind of deburring blanking composite die |
| CN205147069U (en) * | 2015-11-06 | 2016-04-13 | 重庆钺行汽车零部件制造有限公司 | Tie -beam deburring duplex position mould |
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| Publication number | Publication date |
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| CN106513500A (en) | 2017-03-22 |
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