CN215355508U - Bending structure for negative angle bending of die - Google Patents
Bending structure for negative angle bending of die Download PDFInfo
- Publication number
- CN215355508U CN215355508U CN202121784083.XU CN202121784083U CN215355508U CN 215355508 U CN215355508 U CN 215355508U CN 202121784083 U CN202121784083 U CN 202121784083U CN 215355508 U CN215355508 U CN 215355508U
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- negative angle
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- bender
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- 238000005452 bending Methods 0.000 title claims abstract description 79
- 238000007664 blowing Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 19
- 239000002184 metal Substances 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 17
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000003462 Bender reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a bending structure for a negative bending angle of a die, which comprises: the device comprises a lower die base, a lower die, a movable bending die and a pressing plate, wherein four corners of the top of the lower die base are provided with guide mechanisms, an upper die is arranged in the center of the bottom of the upper die base, a lower die is arranged in the center of the top of the lower die base, movable bending dies are arranged on two sides of the lower half part of the lower die, the lower die is internally provided with a synchronous roller at one side of the movable bending die, the sheet metal part is prevented from directly contacting with the movable bending die in the bending process through the buffering of the pressing plate in the bending process, the sheet metal part is protected from being damaged, and meanwhile, compressed air is connected through the air blowing shell and the air blowing pipe, the bent die is blown clean and cooled to protect the die, the synchronous roller is driven to rotate synchronously in the process of moving the bending die, through installing angle sensor on the synchronizing roller, the real time monitoring of being convenient for activity bender's angle of bending prevents to cause the precision inaccurate after the wearing and tearing of activity bender, guarantees the precision of bending.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a bending structure for a negative bending angle of a die.
Background
The bending process is a common processing process in the sheet metal processing process, and the angle with the bending angle larger than 90 degrees is generally called as a negative angle in the sheet metal bending process.
The negative angle bending die structure in the prior art is generally characterized in that after a product is bent by an angle, a punch is used for vertically wrapping an angle to forcibly form a negative angle, and the punch is easy to damage a sheet metal part in the pressing process while the structure is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bending structure for a negative angle of a die, which aims to solve the problem that the negative angle bending die structure in the prior art is complex in structure and easy to damage a sheet metal part in the process of pressing down a punch.
In order to achieve the purpose, the utility model provides the following technical scheme: a bending structure for negative angle bending of a die comprises: die holder, lower mould, activity bender and clamp plate, die holder top four corners is equipped with guiding mechanism, the guiding mechanism top is equipped with the upper die base, upper die base bottom central authorities are equipped with the mould, die holder top central authorities are equipped with the lower mould, lower mould lower half both sides are equipped with the activity bender, the inside activity bender one side that is located of lower mould is equipped with the synchronizing roller, lower mould middle part both sides are equipped with the spring pocket pole, spring pocket pole top is equipped with the clamp plate, clamp plate bottom central authorities are equipped with the shell of blowing, the shell bottom of blowing is equipped with the gas blow pipe.
Furthermore, the top of one side of the movable bending die is positioned below the pressing plate and provided with a receding groove, and the depth of the receding groove is the same as the thickness of the pressing plate.
Furthermore, the top of the lower die is positioned below the blowing shell, and a clamping groove is formed below the blowing shell.
Furthermore, the side wall array of the air blowing shell is provided with air outlet holes.
Furthermore, synchronous teeth and tooth grooves are processed on the outer walls of the synchronous roller and the movable bending die.
Furthermore, the movable bending die is rotatably connected with the lower die through a torsion spring rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model realizes that when the bending structure for bending the negative angle of the die is used, the upper die base and the components thereof are driven to press down by the press machine so that the upper die presses the sheet metal part into the lower die for bending, 90-degree bending is firstly carried out, when the sheet metal part descends to the upper side of the movable bending die, the bottom of the sheet metal part is firstly contacted with the press plate to drive the press plate to descend, the press plate descends to drive the movable bending die to rotate, so that the movable bending die bends the sheet metal part bent at a right angle at the negative angle until the bottom of the press plate is contacted with the top of the lower die, the bending is finished, the sheet metal part is prevented from being directly contacted with the movable bending die in the bending process through the buffer of the press plate in the bending process, the sheet metal part is protected from being damaged, compressed air is connected through the air blowing shell and the air blowing pipe, the die after bending is blown clean and cooled, and the die is protected, in the process of the movable bending die, the synchronous roller is driven to rotate synchronously, and the angle sensor is installed on the synchronous roller, so that the bending angle of the movable bending die can be monitored conveniently in real time, the precision is prevented from being inaccurate after the movable bending die is worn, and the bending precision is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1.
In the figure: 1-a lower die holder; 2-a guiding mechanism; 3-an upper die holder; 4-upper mould; 5-lower mould; 6-an air blowing pipe; 7-movable bending die; 701-receding a yield groove; 8-a synchronizing roll; 9-pressing a plate; 10-a gas-blowing shell; 11-spring loop bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a bending structure for negative angle bending of a die comprises: die holder 1, lower mould 5, activity bender 7 and clamp plate 9, 1 top four corners joint of die holder has guiding mechanism 2, 2 top joints of guiding mechanism have upper die base 3, 3 bottom central authorities of upper die base pass through screw fixedly connected with and go up mould 4, 1 top central authorities of die holder pass through screw fixedly connected with lower mould 5, 5 lower half both sides of lower mould are rotated through the torsional spring pivot and are connected with activity bender 7, 5 inside activity benders 7 one side that are located of lower mould are rotated through the bearing and are connected with synchronizing roller 8, 5 middle part both sides joints of lower mould have spring loop bar 11, 11 top joints of spring loop bar have clamp plate 9, 9 bottom central joints of clamp plate have the shell 10 of blowing, shell 10 bottoms of blowing are through coupling fixedly connected with gas blow pipe 6.
The top of 7 one sides of activity bender is located and is equipped with under the clamp plate 9 and moves back and let groove 701, and the degree of depth that lets groove 701 is the same with the thickness of clamp plate 9, and 5 tops of lower mould are located and blow the shell 10 below and are equipped with the draw-in groove, blow the shell 10 lateral wall array and have seted up the venthole, and processing has synchronous tooth and tooth's socket on 8 and the 7 outer walls of activity bender, rotates through the torsional spring pivot between 7 and the lower mould 5 of activity bender to be connected.
The working principle is as follows: when the bending structure for bending the negative angle of the die is used, the upper die base 3 and the components thereof are driven to press downwards by a press machine, so that the sheet metal part is pressed into the lower die 5 by the upper die 4 to be bent, firstly, 90-degree bending is carried out, when the sheet metal part descends to the upper side of the movable bending die 7, the bottom of the sheet metal part is firstly contacted with the pressing plate 9 to drive the pressing plate 9 to descend, the pressing plate 9 descends to drive the movable bending die 7 to rotate, the movable bending die 7 carries out negative angle bending on the sheet metal part after the right angle bending until the bottom of the pressing plate 9 is contacted with the top of the lower die 5, the bending is finished at the moment, the sheet metal part is prevented from being directly contacted with the movable bending die 7 in the bending process through the buffering of the pressing plate 9 in the bending process, the sheet metal part is protected from being damaged, meanwhile, compressed air is connected through the air blowing shell 10 and the air blowing pipe 6, the die after the bending is blown clean and cooled, the die is protected, and the die is protected in the process of the movable bending die 7, drive synchronous roller 8 synchronous rotation, through installation angle sensor on synchronous roller 8, be convenient for real time monitoring activity bender 7's the angle of bending, prevent to cause the precision inaccurate after 7 wearing and tearing of activity bender, guarantee the precision of bending.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A bending structure for negative angle bending of a die comprises: die holder (1), lower mould (5), activity bender (7) and clamp plate (9), die holder (1) top four corners is equipped with guiding mechanism (2), guiding mechanism (2) top is equipped with upper die base (3), upper die base (3) bottom central authorities are equipped with mould (4), its characterized in that: lower bolster (1) top central authorities are equipped with lower mould (5), lower mould (5) lower half both sides are equipped with activity bender (7), lower mould (5) inside is located activity bender (7) one side and is equipped with synchronizing roll (8), lower mould (5) middle part both sides are equipped with spring sleeve pole (11), spring sleeve pole (11) top is equipped with clamp plate (9), clamp plate (9) bottom central authorities are equipped with air blowing shell (10), air blowing shell (10) bottom is equipped with gas blow pipe (6).
2. The bending structure for negative angle bending of mold according to claim 1, wherein: the top of one side of the movable bending die (7) is positioned below the pressing plate (9) and provided with a receding groove (701), and the depth of the receding groove (701) is the same as the thickness of the pressing plate (9).
3. The bending structure for negative angle bending of mold according to claim 1, wherein: the top of the lower die (5) is positioned below the blowing shell (10) and provided with a clamping groove.
4. The bending structure for negative angle bending of mold according to claim 1, wherein: and air outlet holes are formed in the side wall array of the air blowing shell (10).
5. The bending structure for negative angle bending of mold according to claim 1, wherein: synchronous teeth and tooth grooves are processed on the outer walls of the synchronous roller (8) and the movable bending die (7).
6. The bending structure for negative angle bending of mold according to claim 1, wherein: the movable bending die (7) is rotatably connected with the lower die (5) through a torsion spring rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121784083.XU CN215355508U (en) | 2021-08-02 | 2021-08-02 | Bending structure for negative angle bending of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121784083.XU CN215355508U (en) | 2021-08-02 | 2021-08-02 | Bending structure for negative angle bending of die |
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| Publication Number | Publication Date |
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| CN215355508U true CN215355508U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121784083.XU Active CN215355508U (en) | 2021-08-02 | 2021-08-02 | Bending structure for negative angle bending of die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159896A (en) * | 2022-12-28 | 2023-05-26 | 马鞍山市拓甲精密机械配件有限公司 | Automatic adjustable U-shaped one-step forming turnover lower die |
| CN116618486A (en) * | 2023-06-06 | 2023-08-22 | 安徽江淮汽车集团股份有限公司 | Multi-step forming tooling with negative angle |
| CN118180235A (en) * | 2024-05-13 | 2024-06-14 | 怀化万泓机械设备有限公司 | A stamping device for ship unloader shell |
-
2021
- 2021-08-02 CN CN202121784083.XU patent/CN215355508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116159896A (en) * | 2022-12-28 | 2023-05-26 | 马鞍山市拓甲精密机械配件有限公司 | Automatic adjustable U-shaped one-step forming turnover lower die |
| CN116618486A (en) * | 2023-06-06 | 2023-08-22 | 安徽江淮汽车集团股份有限公司 | Multi-step forming tooling with negative angle |
| CN118180235A (en) * | 2024-05-13 | 2024-06-14 | 怀化万泓机械设备有限公司 | A stamping device for ship unloader shell |
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