CN220697897U - Closed bending die for bending machine - Google Patents
Closed bending die for bending machine Download PDFInfo
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- CN220697897U CN220697897U CN202322250701.8U CN202322250701U CN220697897U CN 220697897 U CN220697897 U CN 220697897U CN 202322250701 U CN202322250701 U CN 202322250701U CN 220697897 U CN220697897 U CN 220697897U
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- die
- bending
- die head
- guide rail
- linear guide
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- 238000005452 bending Methods 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model relates to the technical field of bending machines, in particular to a closed bending die for a bending machine, which comprises a machine body mechanism, wherein a sliding block is arranged above the machine body mechanism, and a lower die set is arranged below the machine body mechanism; a die head is arranged above the lower die set and corresponds to the sliding block above the die head up and down; the die head is connected with the sliding block through the first die shank and the second die shank respectively, the left end and the right end of the sliding block are movably connected with the front left upper side and the front right upper side of the machine body mechanism through the first oil cylinder component and the second oil cylinder component respectively, and the die head and the linear guide rail die groove below the die head are connected through the sliding block arranged on the bending machine, so that the beneficial effects that the bending and extrusion mode is difficult, time and labor are wasted, and the angle and the straightness of a sheet metal workpiece can be guaranteed are achieved.
Description
Technical Field
The utility model relates to the technical field of bending machines, in particular to a closed bending die for a bending machine.
Background
In the existing closed bending process, 4 90-degree angles of a square sheet metal part cannot be obtained by a closed bending workpiece through a common bending process, so that a perfect closed state of the sheet metal part is achieved, the closed bending machine is limited in the structural form of a traditional bending machine die, an angle far larger than 90 degrees can be formed only when the final bending is performed, the last angle larger than 90 degrees tends to 90 degrees through extrusion in other modes, the extrusion mode is difficult, time and labor are wasted, the angle precision and straightness of the sheet metal part are difficult to guarantee, and the sheet metal part can be irregularly circulated in the extrusion process, so that the sheet metal part of the type is poor in molding quality and large in deviation. Aiming at the problems, the utility model provides a closed bending die suitable for a bending machine, and the beneficial effects that the bending and extrusion modes are difficult, time and labor are wasted, and the angle and the straightness of a sheet metal workpiece can be ensured by connecting a die head with a linear guide rail die groove below the die head through a sliding block arranged on the bending machine.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a closed bending die for a bending machine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a closed bending die for a bending machine comprises a machine body mechanism, wherein a sliding block is arranged above the machine body mechanism, and a lower die set is arranged below the machine body mechanism; a die head is arranged above the lower die set and corresponds to the sliding block above the die head up and down; the die head and the sliding block are connected through a first die handle and a second die handle respectively.
Further, the left end and the right end of the sliding block are respectively and movably connected with the front side of the left upper side and the front side of the right upper side of the machine body mechanism through the first oil cylinder component and the second oil cylinder component.
Further, a linear guide rail die cavity is arranged between the lower die set and the die head and is positioned below the die head; and a plate workpiece is arranged above the linear guide rail die groove and is in movable contact with the die head.
Further, a quick clamping pressing plate is arranged at the bottom end of the sliding block and is fixedly connected with the top ends of the first die handle and the second die handle through bolts respectively.
Further, one end of the die head is movably connected with the bottom end of the first die handle through a connecting shaft.
Further, the upper end of the connecting shaft is provided with a first locking nut which is movably connected with the bottom end of the first die shank through a first thrust ball bearing; the lower end of the connecting shaft is provided with a second locking nut which is movably connected with the die head through a second thrust ball bearing.
Further, the linear guide rail die grooves are connected with the lower die set through bolts, and the linear guide rail die grooves I and the linear guide rail die grooves II are arranged on the linear guide rail die grooves.
Further, a counterweight group is arranged above one end of the die head, which extends out, so that the gravity center of the die head is kept at the connecting shaft.
Further, the angle formed by the inclined plane I and the inclined plane II on the die head is an acute angle smaller than 90 degrees.
Further, the angle formed by the inclined plane I and the inclined plane II in the linear guide rail die groove I and the linear guide rail die groove II is correspondingly the same as the angle formed by the inclined plane I and the inclined plane II on the die head.
Compared with the prior art, the utility model has the advantages that:
the utility model provides a closed bending die suitable for a bending machine, which solves the problems of difficult bending and extrusion modes, time and labor waste and the beneficial effects that the angle and the straightness of a sheet metal workpiece can be ensured by connecting a die head with a linear guide rail die groove below the die head through a sliding block arranged on the bending machine.
Drawings
FIG. 1 is a perspective view of a closed bending die for a bending machine according to the present utility model;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure of a closed bending die for a bending machine according to the present utility model;
in the figure: 1-a fuselage mechanism; 2-a slider; 3-a first die handle; 4-a second die handle; 5-an oil cylinder assembly I; 6-a die head; 7-a lower module; 8-an oil cylinder assembly II; 9-a linear guide rail die cavity; 10-quick clamping pressing plates; 11-connecting shaft; 12-locking a first nut; 13-thrust ball bearing one; 14-a second lock nut; 15-a thrust ball bearing II; 16-balancing weight group; 17-plate work piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a closed bending mold for a bending machine includes a machine body mechanism 1, a slide block 2 disposed above the machine body mechanism 1, two ends of the slide block 2 movably connected with a front left upper side and a front right upper side of the machine body mechanism 1 through a first cylinder assembly 5 and a second cylinder assembly 8, wherein an electric system in the bending machine controls a hydraulic system to enable piston rods in the first cylinder assembly 5 and the second cylinder assembly 8 to eject and drive the slide block 2 to reciprocate up and down, and a lower module 7 is disposed below the machine body mechanism 1.
In example 2, on the basis of continuing example 1, die head 6 is disposed above lower die set 7 and vertically corresponds to slide block 2 disposed above die head 6, linear guide rail die slot 9 is disposed between lower die set 7 and die head 6 and is located below die head 6, sheet workpiece 17 is disposed above linear guide rail die slot 9, sheet workpiece 17 is brought into movable contact with die head 6, die head 6 is driven by slide block 2 to press and bend sheet workpiece 17 located on linear guide rail die slot 9, and sheet workpiece 17 is a flat plate when placed in linear guide rail die slot 9, and the flat plate is required to be bent.
Embodiment 3, please continue to refer to fig. 1-3 on the basis of embodiment 1 above, wherein the die head 6 and the slide block 2 are connected through a first die shank 3 and a second die shank 4 on both sides respectively, specifically, a quick clamping plate 10 is disposed at the bottom end of the slide block 2 and fixedly connected with the top ends of the first die shank 3 and the second die shank 4 respectively through bolts, so that the slide block 2 drives the die head 6 connected with the first die shank 3 and the second die shank 4 to reciprocate up and down to complete the bending action.
In example 4, continuing to refer to fig. 1-3 on the basis of combining example 1 with example 2, one end of the die head 6 is movably connected with the bottom end of the first die shank 3 through a connecting shaft 11, in this example, a first locking nut 12 and a first thrust ball bearing 13 are arranged at the upper end of the connecting shaft 11, and the upper end of the connecting shaft 11 is positioned in a built-in space at the bottom end of the first die shank 3, so that the bottom end surface of the first locking nut 12 is in movable contact with the upper surface of the first thrust ball bearing 13; the lower end of the connecting shaft 11 penetrates through the die head 6 and is positioned in the built-in space of the die head 6, and a second lock nut 14 and a second thrust ball bearing 15 are arranged at the lower end of the connecting shaft 11, so that the upper end face of the second lock nut 14 is in movable contact with the lower surface of the second thrust ball bearing 15.
In embodiment 5, on the basis of embodiment 4, the other end of the die head 6 can rotate around the first die shank 3 connected with the connecting shaft 11 to open the die head 6 and the second die shank 4, so that the die head 6 and the second die shank 4 are separated, the die head 6 and the second die shank 4 are movably connected, the effect of taking down and putting on the sheet workpiece 17 again after each bending for one angle is conveniently achieved, in the bending process, the sheet workpiece 17 needs to be bent for 4 times in total, and a balancing weight group 16 is further arranged above one end of the die head 6 extending out for keeping the gravity center of the die head 6 at the connecting shaft 11.
In example 6, please continue to refer to fig. 1-2 on the basis of example 1, the linear guide rail die cavity 9 and the lower die set 7 are connected by bolts, the linear guide rail die cavity 9 is provided with the first linear guide rail die cavity and the second linear guide rail die cavity, after the linear guide rail die cavity 9 and the lower die set 7 are disassembled according to the requirement of the bent workpiece, the direction of the first linear guide rail die cavity and the second linear guide rail die cavity is changed, and after changing the direction, the plate workpieces 17 with different thicknesses can be bent.
In embodiment 7, on the basis of embodiment 3 above, the angle formed between the first inclined plane and the second inclined plane on the die head 6 is an acute angle smaller than 90 °, the angle formed between the first inclined plane and the second inclined plane in the linear guide rail die groove and the first inclined plane and the second inclined plane in the linear guide rail die groove are also required to be the same as the angle formed between the first inclined plane and the second inclined plane on the die head 6, because the material after bending can perform a certain rebound effect, if the angle after bending is required to reach a right angle of 90 °, the angle of the die head 6 cannot reach 90 °, so that the material after bending just reaches 90 °, the material after rebound for a certain time can form an obtuse angle larger than 90 °, the angle required by bending the plate workpiece 17 cannot reach 90 °, the angle of the die head 6 is generally adjusted according to the material of the plate workpiece 17, and the angles of the die head 6 and the linear guide rail die groove are correspondingly adjusted to 86 °,82 °,80 °,76 ° or 30 °, and the corresponding adjustment angles are also different according to the material.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. A closed bending die for a bending machine comprises a machine body mechanism (1), wherein a sliding block (2) is arranged above the machine body mechanism (1), and is characterized in that: a lower module (7) is arranged below the machine body mechanism (1); a die head (6) is arranged above the lower die set (7) and corresponds to the sliding block (2) above the die head (6) vertically; the die head (6) is connected with the sliding block (2) through a first die handle (3) and a second die handle (4) respectively.
2. A closed bending die for a bending machine according to claim 1, wherein: the left end and the right end of the sliding block (2) are respectively movably connected with the front left upper side and the front right upper side of the machine body mechanism (1) through an oil cylinder assembly I (5) and an oil cylinder assembly II (8).
3. A closed bending die for a bending machine according to claim 2, wherein: a linear guide rail die groove (9) is arranged between the lower die set (7) and the die head (6) and is positioned below the die head (6); a plate workpiece (17) is arranged above the linear guide rail die groove (9) and is in movable contact with the die head (6).
4. A closed bending die for a bending machine according to claim 1, wherein: the bottom of the sliding block (2) is provided with a quick clamping pressing plate (10) which is fixedly connected with the top ends of the first die handle (3) and the second die handle (4) through bolts respectively.
5. A closed bending die for a bending machine according to claim 4, wherein: one end of the die head (6) is movably connected with the bottom end of the first die handle (3) through a connecting shaft (11).
6. A closed bending die for a bending machine according to claim 5, wherein: the upper end of the connecting shaft (11) is provided with a first locking nut (12) which is movably connected with the bottom end of the first die shank (3) through a first thrust ball bearing (13); the lower end of the connecting shaft (11) is provided with a second locking nut (14) which is movably connected with the die head (6) through a second thrust ball bearing (15).
7. A closed bending die for a bending machine according to claim 3, wherein: the linear guide rail die grooves (9) are connected with the lower die set (7) through bolts, and the linear guide rail die grooves (9) are provided with a first linear guide rail die groove and a second linear guide rail die groove.
8. A closed bending die for a bending machine according to claim 5, wherein: a balancing weight group (16) is arranged above one extending end of the die head (6) so that the gravity center of the die head (6) is kept at the connecting shaft (11).
9. A closed bending die for a bending machine according to any one of claims 1-8, wherein: the angle formed by the inclined plane I and the inclined plane II on the die head (6) is an acute angle smaller than 90 degrees.
10. A closed bending die for a bending machine according to claim 7, wherein: the angle formed by the inclined plane I and the inclined plane II in the linear guide rail die groove I and the linear guide rail die groove II is correspondingly the same as the angle formed by the inclined plane I and the inclined plane II on the die head (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322250701.8U CN220697897U (en) | 2023-08-22 | 2023-08-22 | Closed bending die for bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322250701.8U CN220697897U (en) | 2023-08-22 | 2023-08-22 | Closed bending die for bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220697897U true CN220697897U (en) | 2024-04-02 |
Family
ID=90443763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322250701.8U Active CN220697897U (en) | 2023-08-22 | 2023-08-22 | Closed bending die for bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220697897U (en) |
-
2023
- 2023-08-22 CN CN202322250701.8U patent/CN220697897U/en active Active
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