CN213856462U - Crease-free bending die - Google Patents
Crease-free bending die Download PDFInfo
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- CN213856462U CN213856462U CN202022835596.0U CN202022835596U CN213856462U CN 213856462 U CN213856462 U CN 213856462U CN 202022835596 U CN202022835596 U CN 202022835596U CN 213856462 U CN213856462 U CN 213856462U
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- bending
- material pressing
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- die holder
- crease
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Abstract
The utility model is suitable for the technical field of sheet metal processing, and provides a crease-free bending die, the upper surface of a lower die holder is fixedly connected with two bending fixed blocks, the two bending fixed blocks are respectively positioned at the two ends of the upper surface of the lower die holder and are symmetrically distributed along the central axis of the lower die holder, a material pressing component is fixedly connected on the lower die holder between the two bending fixed blocks, a workpiece is arranged above the material pressing component, the two sides of the material pressing component are also rotatably connected with bending blocks for bending the workpiece, the device refers to the principle of plate turning and is different from the traditional clearance friction bending, the side wall of a product does not generate friction with the bending blocks when the device is bent, the crease-free bending effect is achieved, and the arranged material pressing spring can push the material pressing blocks to the initial position after the bending punch bends the workpiece and retreats from the bending blocks, the quick demoulding efficiency of the workpiece is improved, and the workpiece is convenient for workers to take.
Description
Technical Field
The utility model belongs to the technical field of the sheet metal working, especially, relate to a no crease bender.
Background
With the popularization of metal shells in various industries, the requirements of consumers on the appearance of products are higher and higher, the more prominent is that the requirements on the indentation generated by the folded edge of the plate are higher and higher in the bending aspect, and the requirements of individual customers almost cannot be marked.
The existing indentation-free die in the market really has some effects on reducing the crease, but due to the limitation of the structure of the die, the threads on the front surface of the die block often leave the crease for the product, so that the ideal effect cannot be achieved, and therefore, the yield and the cost of the product are limited by the appearance defects of metal plate bending.
SUMMERY OF THE UTILITY MODEL
The utility model provides a no crease bender aims at solving the bad problem of outward appearance such as strain, scotch that produces in the panel beating is bent.
The utility model discloses a realize like this, a no crease bender, including the die holder.
The upper surface of die holder fixedly connected with two fixed blocks of bending, two the fixed block of bending is located respectively the upper surface both ends of die holder, and follows the axis symmetric distribution of die holder is located two bend between the fixed block go back fixedly connected with on the die holder and press the material subassembly, the top of pressing the material subassembly is provided with the work piece, and is located press the both sides of material subassembly still to rotate be connected with right the piece of bending that the work piece goes on bending, it is right still to be provided with directly over the material subassembly the work piece carries out the punching press drift of bending.
Preferably, the material pressing assembly comprises a material pressing spring and a material pressing block, the material pressing spring is arranged below the material pressing block, the top end of the material pressing spring is fixedly connected with the lower surface of the material pressing block, and the bottom end of the material pressing spring is fixedly connected to the lower die base.
Preferably, the two side walls of the material pressing blocks are symmetrically provided with mounting grooves, each mounting groove is internally provided with a connecting shaft, the two bending blocks are respectively positioned on the two sides of the material pressing blocks, and one end of each bending block close to the material pressing block is sleeved on the corresponding connecting shaft.
Preferably, the upper surface of each bending block is provided with an L-shaped bending groove.
Preferably, the upper surfaces of the two bending fixing blocks are fixedly connected with positioning blocks for positioning the workpiece.
Preferably, the number of the positioning blocks arranged on the upper surface of each bending fixing block is two.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a no crease bender:
1. the device refers to the principle of a turning plate, and is different from the traditional gap friction bending, and the side wall of a product does not generate friction with a bending block when the device is bent, so that the traceless bending effect is achieved.
2. The material pressing spring that sets up can be bent the work piece and retreat from pressing the material piece at the punching head of bending after, will press the material piece to promote initial position, improved the quick drawing of patterns efficiency of work piece, the staff of being convenient for takes.
3. The locating piece that sets up can effectually fix a position the work piece to make spacingly to its removal, prevent that it from taking place the dislocation in the course of working, influence work piece quality and qualification rate, also made things convenient for the quick accurate work piece of placing of staff simultaneously.
The bending block and the material pressing block are connected in a rotating mode, the bottom end of the bending block is arc-shaped and abuts against the lower die base, when the material pressing block sinks, the bending block is driven to rotate through the connecting shaft, meanwhile, the bottom of the bending block rotates on the lower die base, the fact that the rotating angle of the bending block is not limited is further guaranteed, and meanwhile the bending block can bend workpieces tracelessly.
Drawings
Fig. 1 is a side view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of the workpiece after bending is completed;
in the figure: 1-bending punch, 2-positioning block, 3-bending fixed block, 4-lower die holder, 5-pressing spring, 6-pressing block, 61-connecting shaft, 7-bending block, 71-bending groove and 8-workpiece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
Referring to fig. 1-3, the present invention provides a bending die without crease, which comprises a lower die base 4.
The upper surface of lower bolster 4 is fixedly connected with two fixed blocks 3 of bending, two fixed blocks 3 of bending are located the upper surface both ends of lower bolster 4 respectively, and along the axis symmetric distribution of lower bolster 4, lie in two and bend on the lower bolster 4 between the fixed block 3 still fixedly connected with press the material subassembly, the top of pressing the material subassembly is provided with work piece 8, and lie in the both sides of pressing the material subassembly and still rotate and be connected with the piece 7 of bending work piece 8, press the material subassembly still to be provided with directly over and carry out the punching press drift 1 of bending to work piece 8.
In the embodiment, when a worker bends a workpiece 8, the workpiece 8 to be machined is placed on the material pressing block 6, the two ends of the workpiece 8 are abutted against the plurality of positioning blocks 2 arranged on the upper surface of the bending fixing block 3, then the workpiece 8 is punched by controlling the bending punch 1 to sink, when the bottom end of the bending punch 1 contacts the upper surface of the workpiece 8, the bending punch 1 sinks continuously, the material pressing block 6 sinks along with the bending punch, the bending blocks 7 arranged on the two sides of the material pressing block 6 start rotating around the connecting shaft 61 under the action of force, the bending grooves 71 arranged on the upper surfaces of the two bending blocks 7 turn over the two sides of the workpiece 8 upwards, when the bending punch 1 sinks to a preset position of the worker, the material pressing punch 1 is opened to rise, and the material pressing spring 5 has flexibility, so the material pressing spring 5 drives the material pressing block 6 to rise, and the workpiece 8 on the material pressing block 6 is pushed out of the device, the staff of being convenient for has improved the drawing of patterns efficiency of this device to taking of work piece 8, has further improved work efficiency, has made things convenient for staff's use, has improved the practicality of this device.
Referring to fig. 1-3, further, the pressing assembly includes a pressing spring 5 and a pressing block 6, the pressing spring 5 is disposed below the pressing block 6, and the top end of the pressing spring is fixedly connected to the lower surface of the pressing block 6, and the bottom end of the pressing spring is fixedly connected to the lower die base 4.
In this embodiment, press material spring 5 to have the elasticity, when pressing material piece 6 to sink, press material spring 5 to contract, after 6 tops of pressing material spring lose the driving force that the drift 1 of bending brought, press material spring 5's resilience to drive pressing material piece 6 to rise, release this device with work piece 8, be convenient for staff's follow-up taking, set up the effect that presses material spring 5 and lie in can improving the shock-proof performance who presses material piece 6, avoided pressing material piece 6 to sink suddenly and cause the damage to pressing material piece 6 and this device, influence this device subsequent use, another aim at that sets up pressing material spring 5 can improve the life of pressing material piece 6, it is preferred, the staff can suitably adjust the quantity of pressing material spring 5 according to actual conditions, in order to guarantee that pressing material spring 5 can the normal operation of this device of adaptation.
Referring to fig. 1-2, further, mounting grooves are formed on two side walls of the pressing block 6, and a connecting shaft 61 is disposed in each mounting groove, and the two bending blocks 7 are respectively disposed on two sides of the pressing block 6, and one end of each bending block close to the pressing block 6 is sleeved on the corresponding connecting shaft 61.
In this embodiment, two one ends that bend piece 7 and be close to pressing material piece 6 all cup joint on the connecting axle 61 that presses material piece 6 both sides to set up, when pressing material piece 6 to sink, drive two and bend piece 7 and rotate around connecting axle 61 to bend the processing to work piece 8, improved the work efficiency and the practicality of this device.
Referring to fig. 1 and 3, further, an L-shaped bending groove 71 is formed on an upper surface of each bending block 7.
In this embodiment, bending groove 71 has been seted up to the upper surface of bending piece 7, and the lower surface is the arc, when pressing material piece 6 to sink, drives the one end of bending piece 7 through connecting axle 61 and descends, when the one end of bending piece 7 descends, can make the other end rise through the arc design, bending groove 71 contacts work piece 8 and treats bending part back to make the bending groove 71 at bending piece 7 top can bend the processing to work piece 8, made things convenient for staff's use.
Referring to fig. 1-3, further, the upper surfaces of the two bending fixing blocks 3 are fixedly connected with positioning blocks 2 for positioning a workpiece 8.
In this embodiment, the locating block 2 is arranged to limit the workpiece 8 when the workpiece 8 is placed, so that the accuracy of the worker when the workpiece 8 is placed is ensured, and meanwhile, the workpiece 8 is prevented from being misplaced and deviated when the workpiece 8 is bent and stamped by the bending punch 1, so that the quality of the workpiece 8 and the bending precision are ensured.
Referring to fig. 2, further, the number of the positioning blocks 2 disposed on the upper surface of each bending fixing block 3 is two.
In this embodiment, every top of bending fixed block 3 all is provided with two locating pieces 2, can guarantee this device at the better accuracy of guaranteeing when work piece 8 places of during operation, in other embodiments, the staff also can be according to actual conditions suitably the quantity of adjusting locating piece 2 to guarantee the normal operating of this device.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when a worker bends a workpiece 8, the workpiece 8 to be processed is placed on the pressing block 6, the two ends of the workpiece 8 are pressed against the plurality of positioning blocks 2 arranged on the upper surface of the bending fixing block 3, then the workpiece 8 is punched by controlling the bending punch 1 to sink, when the bottom end of the bending punch 1 contacts the upper surface of the workpiece 8, the bending punch 1 sinks continuously, meanwhile, the pressing block 6 sinks along with the bending punch, the bending blocks 7 arranged on the two sides of the pressing block 6 start to rotate around the connecting shaft 61 under the action of stress, the bending grooves 71 arranged on the upper surfaces of the two bending blocks 7 turn over the two sides of the workpiece 8 upwards, when the bending punch 1 sinks to the preset position of the worker, the bending punch 1 is opened to rise back, because the pressing spring 5 has flexibility, the pressing spring 5 drives the pressing block 6 to rise back, thereby release this device with work piece 8 on the pressure material piece 6, the staff of being convenient for is to work piece 8 take, has improved the drawing of patterns efficiency of this device, has further improved work efficiency.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a no crease bender which characterized in that: comprises a lower die holder (4);
the utility model discloses a punching die, including die holder (4), last fixed surface fixedly connected with two fixed block (3) of bending of die holder (4), two the fixed block (3) of bending are located respectively the upper surface both ends of die holder (4), and follow the axis symmetric distribution of die holder (4), are located two bend between fixed block (3) go up still fixedly connected with on die holder (4) and press the material subassembly, the top of pressing the material subassembly is provided with work piece (8), and is located press the both sides of material subassembly still to rotate be connected with right the piece (8) of bending (7) of bending go on, it is right still to be provided with directly over the material subassembly to press work piece (8) to carry out the punching press drift (1) of bending.
2. A crease-free bender as claimed in claim 1, characterized in that: the material pressing assembly comprises a material pressing spring (5) and a material pressing block (6), the material pressing spring (5) is arranged below the material pressing block (6), the top end of the material pressing spring is fixedly connected with the lower surface of the material pressing block (6), and the bottom end of the material pressing spring is fixedly connected to the lower die holder (4).
3. A crease-free bender as claimed in claim 2, wherein: the material pressing block (6) is symmetrically arranged on two side walls, mounting grooves are formed in the two side walls, each mounting groove is internally provided with a connecting shaft (61), the two bending blocks (7) are respectively located on two sides of the material pressing block (6), and one end, close to the material pressing block (6), of each bending block is sleeved on the corresponding connecting shaft (61).
4. A crease-free bender as claimed in claim 3, wherein: the upper surface of each bending block (7) is provided with an L-shaped bending groove (71).
5. A crease-free bender as claimed in claim 1, characterized in that: the upper surfaces of the two bending fixing blocks (3) are fixedly connected with positioning blocks (2) for positioning the workpiece (8).
6. A crease-free bender as claimed in claim 5, characterized in that: the number of the positioning blocks (2) arranged on the upper surface of each bending fixing block (3) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835596.0U CN213856462U (en) | 2020-12-01 | 2020-12-01 | Crease-free bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835596.0U CN213856462U (en) | 2020-12-01 | 2020-12-01 | Crease-free bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213856462U true CN213856462U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022835596.0U Active CN213856462U (en) | 2020-12-01 | 2020-12-01 | Crease-free bending die |
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| CN (1) | CN213856462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617897A (en) * | 2021-08-17 | 2021-11-09 | 山东兆维铁塔有限公司 | Cylindrical steel bending device and working method thereof |
| CN115318958A (en) * | 2022-10-12 | 2022-11-11 | 南通中煌工具有限公司 | Stamping die |
-
2020
- 2020-12-01 CN CN202022835596.0U patent/CN213856462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617897A (en) * | 2021-08-17 | 2021-11-09 | 山东兆维铁塔有限公司 | Cylindrical steel bending device and working method thereof |
| CN115318958A (en) * | 2022-10-12 | 2022-11-11 | 南通中煌工具有限公司 | Stamping die |
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