CN115156434A - Pneumatic flanging device, die and forming method - Google Patents
Pneumatic flanging device, die and forming method Download PDFInfo
- Publication number
- CN115156434A CN115156434A CN202210904279.0A CN202210904279A CN115156434A CN 115156434 A CN115156434 A CN 115156434A CN 202210904279 A CN202210904279 A CN 202210904279A CN 115156434 A CN115156434 A CN 115156434A
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- China
- Prior art keywords
- forming
- rotating shaft
- block
- base
- forming block
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- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003973 paint Substances 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002788 crimping Methods 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- 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
Abstract
The invention discloses a pneumatic flanging device, a die and a forming method, wherein simple forming of a trickle paint guide tip is realized through a pneumatic device, the pneumatic flanging device can also be applied to forming processes of flanging of various small flanges, and the pneumatic flanging device comprises a driving block, a rotating shaft, a forming block, a cylinder, a base and a limiting plate; the output end of the air cylinder is connected with the forming block, and the fixed end of the air cylinder is arranged on the base; the limiting plate is arranged on the base and is used for confirming the final position of the forming block at the bottom dead center; the rotating shaft is fixed on the base, the forming block is connected with the rotating shaft, and the forming block rotates around the rotating shaft under the driving of the cylinder; the driving block is arranged on an upper bottom plate of the die and used for crimping the forming block. The invention realizes the forming of the small flange by taking the cylinder as a return power source, has simple principle, compact device structure, easy assembly, adjustable integral stroke and low cost, thereby simplifying the forming method and the integral die structure.
Description
Technical Field
The invention belongs to the technical field of vehicle fender processing dies, and particularly relates to a pneumatic flanging device, a flanging method and a die.
Background
Because the automobile market competition is more and more intense, automobile manufacturers not only continuously improve the requirements for the quality of the body-in-white, but also continuously require the shortening of the tool development period. In order to meet the requirements of product precision and matching and save the tooling manufacturing period, a forming method must be optimized, the complexity of a product forming mechanism is simplified, and the forming mechanism is convenient to install and adjust in the later period, so that the forming precision of a product is improved, the manufacturing period is shortened, and the manufacturing cost is reduced.
The fender is used as an important component of an automobile outer covering part, the matching requirement is high, and the forming process is complex. In the traditional fender, paint flowing and guiding sharp flaps are arranged, so that the paint is prevented from flowing and hanging in the coating process.
In the existing small flange forming method similar to a paint dripping flow guide tip, a nonstandard tapered wedge is often adopted for realizing, as shown in fig. 2, a mechanism mainly comprises a nitrogen cylinder, a driving tapered wedge, a filling tapered wedge, a forced return assembly, a guide plate, a guide pressure plate, a limiting plate and a forming insert, when a mold is in an open state, the nitrogen cylinder is pressed and released, so that the filling tapered wedge and a forming block advance, and a working procedure part is placed into a male mold; after the mold starts to work, the driving wedge is powered by the upper air cushion, so that the filling wedge returns and drives the forming block, and the aim of forming the paint flowing diversion tip Flap is fulfilled. The mechanism occupies a large space, has a plurality of components, has high assembly precision requirement, is difficult to debug in the later period, and has larger material and tooling cost.
In the traditional forming process method, the nonstandard tapered wedge has a complex structure, occupies a large structural space of a die, and is high in assembly precision and difficult to install and debug. The disadvantages of the conventional techniques include:
1. because the volume of the traditional mechanism is larger, the complexity of the structure of the die is increased for products with more molding processes.
2. Because the structure is complex, the number of components is large, the labor and manufacturing cost is increased, and the manufacturing period is prolonged.
Disclosure of Invention
In order to solve the problems that the former paint dripping and guiding point forming of a vehicle fender is mostly realized by adopting a non-standard wedge mechanism, the mechanism is complex in structure, large in manufacturing difficulty and difficult to install and debug, the invention provides a pneumatic flanging device, a die and a forming method.
The purpose of the invention is realized by the following technical scheme:
the invention provides a pneumatic flanging device, which comprises a driving block, a rotating shaft, a forming block, a cylinder, a base and a limiting plate, wherein the driving block is arranged on the rotating shaft; the output end of the air cylinder is connected with the forming block, and the fixed end of the air cylinder is arranged on the base; the limiting plate is arranged on the base and is used for confirming the final position of the forming block at the bottom dead center; the rotating shaft is fixed on the base, the forming block is connected with the rotating shaft, and the forming block rotates around the rotating shaft under the driving of the air cylinder; the driving block is arranged on an upper bottom plate of the die and used for crimping the forming block.
Furthermore, the pneumatic flanging device further comprises a limiting gasket, and the limiting gasket is clamped in a groove of the rotating shaft to prevent the rotating shaft from moving left and right in the base.
Further, the base is mounted on a male die of the die.
Furthermore, a plurality of gaskets are arranged between the limiting plate and the base and used for adjusting the position height of the limiting plate.
As a second aspect of the invention, a die is provided, which comprises the pneumatic flanging device.
Furthermore, a plurality of gaskets are arranged between the driving block and the upper bottom plate.
As a third aspect of the invention, a forming method is provided, and paint dripping and diversion sharp forming of the vehicle fender is realized through the mold.
Further, the molding method includes the following processes: the die starts to work, the driving block arranged on the upper bottom plate moves downwards, after the upper pressure plate starts to press the part, the driving block is contacted with the forming block to enable the forming block to rotate around the rotating shaft and finally reach the position of the limiting plate, and the forming of the trickle paint guide tip is realized; before the next working cycle begins, when the mold is opened, the cylinder drives the forming block to rotate around the rotating shaft for return stroke.
The invention has the following advantages:
1. the pneumatic flanging device is simple in structure and working principle and convenient to process and assemble.
2. The return power source of the pneumatic flanging device is provided by the cylinder, and the stroke of the pneumatic flanging device can be adjusted by the cylinder; in the production process, various means can be realized for adjustment according to the state of the workpiece.
3. The pneumatic flanging device has a compact structure, greatly simplifies the structure, occupies small space of the die, reduces the overall complexity of the die and creates the possibility of reducing the cost in a descending order for workpieces with complex manufacturability compared with the traditional mechanism. The possibility of reducing the cost by decreasing the sequence is realized.
4. The pneumatic flanging device has the advantages of simple structure, easy assembly and manufacture and low manufacture cost. Such as accidental damage during production, can be quickly replaced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a paint dripping flow guiding tip portion of a vehicle fender;
FIG. 2 is a schematic diagram of a prior art structure;
FIG. 3 is a front view of a pneumatic flanging device according to embodiment 1 of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a front view of the mold structure according to example 2 of the present invention;
in the figure:
flap-paint flowing diversion tip; 1-a driving block; 2-a rotating shaft; 3-a limiting gasket; 4-forming the block; 5-a cylinder; 6-a base; 7-a limiting plate; 8-upper bottom plate; 9-a male die; 10-lower floor.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention
Example 1
As shown in fig. 3 and 4, a pneumatic flanging device realizes the molding of small flanges such as a trickle paint guide tip and the like by using a cylinder as a return power source.
The pneumatic flanging device comprises a driving block 1, a rotating shaft 2, a limiting gasket 3, a forming block 4, a cylinder 5, a base 6 and a limiting plate 7, and the state of the pneumatic flanging device is shown in figure 3 when the mold is closed. The cylinder 5 is a return power source of the forming block 4, the output end of the cylinder 5 is connected with the forming block 4, the fixed end of the cylinder 5 is installed on the base 6, the base 6 is installed on the male die 9 of the die, and finally the male die 9 provides support to eliminate reaction force. The limiting plate 7 is arranged on the base 6, the limiting plate 7 is used as the final position confirmation of the forming block 4 at the bottom dead center, and the final position confirmation can be adjusted by increasing or decreasing the gaskets between the limiting plate 7 and the base 6. The rotating shaft 2 is fixed on the base, and the limiting gasket 3 is clamped in the groove of the rotating shaft 2 to prevent the rotating shaft from moving left and right in the base. The forming block 4 is connected with the rotating shaft 2, and the forming block 4 rotates around the rotating shaft 2 under the driving of the air cylinder 5. The driving block 1 is arranged on the upper bottom plate 8 of the die and used for pressing and connecting the forming block 4. The driving block 1 is provided with a driving force by an upper air cushion, and the position of the driving block can be adjusted by increasing or decreasing gaskets. When the mould is opened, the cylinder drives the forming block 4 to rotate around the rotating shaft 2 for return stroke, the stroke can be adjusted by the cylinder, and the cylinder also has the function of return stroke limiting. When the mold starts to work, as shown in fig. 5, the driving block 1 mounted on the upper bottom plate 8 moves downwards, and after the upper pressing plate starts to press the part, the driving block 1 contacts with the forming block 4 to enable the forming block to rotate around the shaft, and finally reaches the position of the limiting plate, so that the trickle paint guide tip forming is realized. Before the next working cycle begins, the pneumatic control unit automatically controls the air cylinder 5 to drive the forming block 4 to return.
Example 2
A mold comprises an upper bottom plate 8, a lower bottom plate 10, a male mold 9 and the pneumatic flanging device in embodiment 1. The base 6 of the pneumatic flanging device is arranged on the male die 9 and is supported by the male die 9, so that the reaction force is eliminated; the driving block 1 is arranged on the upper bottom plate 8, the driving block 1 is provided with driving force by an upper air cushion, and the position of the driving block 1 can be adjusted by increasing or decreasing a gasket between the driving block and the upper bottom plate 8.
Example 3
A molding method realized by the mold of embodiment 2, comprising: the mold starts to work, as shown in fig. 5, a driving block 1 arranged on an upper bottom plate 8 moves downwards, after an upper pressure plate starts to press a part, the driving block 1 is contacted with a forming block 4 to enable the forming block to rotate around a rotating shaft 2, and finally the position of a limiting plate is reached, so that the trickle paint guide tip forming is realized; before the next working cycle begins, when the mold is opened, the pneumatic control unit automatically controls the air cylinder 5 to drive the forming block 4 to rotate around the rotating shaft 2 for a return stroke.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A pneumatic flanging device is characterized by comprising a driving block, a rotating shaft, a forming block, a cylinder, a base and a limiting plate; the output end of the air cylinder is connected with the forming block, and the fixed end of the air cylinder is arranged on the base; the limiting plate is arranged on the base and is used for confirming the final position of the forming block at the bottom dead center; the rotating shaft is fixed on the base, the forming block is connected with the rotating shaft, and the forming block rotates around the rotating shaft under the driving of the cylinder; the driving block is arranged on an upper bottom plate of the die and used for crimping the forming block.
2. The pneumatic flanging device according to claim 1, further comprising a limiting gasket, wherein the limiting gasket is clamped in the groove of the rotating shaft to prevent the rotating shaft from moving left and right in the base.
3. The pneumatic flanging device of claim 1 wherein said base is mounted on a punch of a die.
4. The pneumatic flanging device according to claim 1, wherein a plurality of gaskets are arranged between the limiting plate and the base for adjusting the height of the limiting plate.
5. A die comprising the pneumatic flanging device according to any one of claims 1 to 4.
6. A mold as in claim 5 wherein a plurality of spacers are disposed between said drive block and said upper plate.
7. A forming method is characterized in that the paint dripping flow guide point forming of the vehicle fender is achieved through the mold in claim 5.
8. A molding method according to claim 7, comprising the process of: the mould starts to work, a driving block arranged on the upper bottom plate moves downwards, after the upper pressure plate starts to press the part, the driving block is contacted with the forming block to enable the forming block to rotate around the rotating shaft, and finally the forming block reaches the position of the limiting plate, so that the trickle paint guide tip is formed; before the next working cycle begins, when the mold is opened, the air cylinder drives the forming block to rotate around the rotating shaft for return stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210904279.0A CN115156434A (en) | 2022-07-29 | 2022-07-29 | Pneumatic flanging device, die and forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210904279.0A CN115156434A (en) | 2022-07-29 | 2022-07-29 | Pneumatic flanging device, die and forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115156434A true CN115156434A (en) | 2022-10-11 |
Family
ID=83477426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210904279.0A Pending CN115156434A (en) | 2022-07-29 | 2022-07-29 | Pneumatic flanging device, die and forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115156434A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020121123A1 (en) * | 2001-03-05 | 2002-09-05 | Mitsuo Matsuoka | Rotary cam driving apparatus for negative-angle forming die |
| WO2013103212A1 (en) * | 2012-01-04 | 2013-07-11 | 주식회사 루보 | Relief forming apparatus |
| CN209393855U (en) * | 2019-01-17 | 2019-09-17 | 天津瑞驰兴模具有限公司 | A kind of rotary lateral flange mechanism on automobile die |
| CN213317331U (en) * | 2020-09-29 | 2021-06-01 | 银川图泰克模具技术有限公司 | Die flanging material returning structure capable of realizing material returning through rotating mode |
| CN215657177U (en) * | 2021-06-29 | 2022-01-28 | 重庆博俊工业科技有限公司 | Horizontal bending mechanism |
| CN114160684A (en) * | 2021-10-19 | 2022-03-11 | 瑞鹄汽车模具股份有限公司 | Pull-back wedge forming mechanism of flanging die |
| CN216937977U (en) * | 2021-05-10 | 2022-07-12 | 宝能(广州)汽车研究院有限公司 | Flanging stamping die structure |
-
2022
- 2022-07-29 CN CN202210904279.0A patent/CN115156434A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020121123A1 (en) * | 2001-03-05 | 2002-09-05 | Mitsuo Matsuoka | Rotary cam driving apparatus for negative-angle forming die |
| CN1373017A (en) * | 2001-03-05 | 2002-10-09 | 优美克斯股份有限公司 | Rotary prafile moving device for negative angle shaping mould |
| WO2013103212A1 (en) * | 2012-01-04 | 2013-07-11 | 주식회사 루보 | Relief forming apparatus |
| CN209393855U (en) * | 2019-01-17 | 2019-09-17 | 天津瑞驰兴模具有限公司 | A kind of rotary lateral flange mechanism on automobile die |
| CN213317331U (en) * | 2020-09-29 | 2021-06-01 | 银川图泰克模具技术有限公司 | Die flanging material returning structure capable of realizing material returning through rotating mode |
| CN216937977U (en) * | 2021-05-10 | 2022-07-12 | 宝能(广州)汽车研究院有限公司 | Flanging stamping die structure |
| CN215657177U (en) * | 2021-06-29 | 2022-01-28 | 重庆博俊工业科技有限公司 | Horizontal bending mechanism |
| CN114160684A (en) * | 2021-10-19 | 2022-03-11 | 瑞鹄汽车模具股份有限公司 | Pull-back wedge forming mechanism of flanging die |
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