CN219464422U - Groove type part bending tool - Google Patents
Groove type part bending tool Download PDFInfo
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- CN219464422U CN219464422U CN202320663209.0U CN202320663209U CN219464422U CN 219464422 U CN219464422 U CN 219464422U CN 202320663209 U CN202320663209 U CN 202320663209U CN 219464422 U CN219464422 U CN 219464422U
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- groove
- shaped part
- bending tool
- upper die
- die
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- 238000005452 bending Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 8
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a groove-shaped part bending tool, which belongs to the technical field of stamping process equipment and comprises an upper die and a bottom die, wherein the upper die is arranged on a lifting stamping head of a press machine; the stamping surface of the upper die is an arc surface matched with the radian of the outer surface of the groove-shaped part, a limiting groove for accommodating the groove-shaped part is formed in the bottom die, and roll shafts capable of being in surface contact with the groove-shaped part are symmetrically arranged on two sides of the limiting groove. The upper die at the bottom of the stamping head of the press machine is used for pressing the plate placed on the bottom die, two sides of the plate are respectively contacted with the two roll shafts simultaneously in the pressing process, friction force born by the plate in the pressing and bending process can be reduced by means of the roll shafts, and further the surface quality of a product is improved. The utility model can utilize a press with reasonable tonnage to directly press and form, simplifies the manufacturing process, ensures the appearance quality of products, improves the processing efficiency, reduces the manufacturing cost and is suitable for batch production.
Description
Technical Field
The utility model belongs to the technical field of stamping process equipment, and particularly relates to a groove-shaped part bending tool.
Background
At present, when manufacturing the groove-shaped part 00 shown in fig. 5 and 6, three workpieces of a left inclined surface part 01, an arc part 02 and a right inclined surface part 03 of the groove-shaped part are required to be respectively processed and molded, and then the three workpieces are welded in sequence, so that the product size is ensured to meet the drawing requirement after welding. In the processing process, three workpieces are required to be manufactured in advance, and the workpieces are required to be polished and trimmed after being welded. In the prior art, a pipe material is adopted when the arc part 02 is blanked, and a pipe body with a specified wall thickness is required to be broken to reach a required angle beta; and then the left inclined surface part 01 and the right inclined surface part 03 are welded and fixed at the two ends of the arc part 02, and then the welding bead is polished smoothly and flatly after being processed and molded by a machine tool. The following disadvantages exist in the adoption of the processing technology:
1. the processing technology is complicated: and the three workpieces are required to be processed respectively, welded and fixed after the processing of the three parts is finished, and finally, the three parts are processed and molded by a lathe.
2. The manufacturing cost is high: the multiple procedures of blanking, cutting, welding, polishing and turning lead to the increase of manufacturing cost and low working efficiency.
3. The appearance is not beautiful: the welded product has a weld 04 (shown in fig. 6), and the appearance quality of the product is affected.
In view of the above, there is an urgent need to improve the processing technology of such a groove-shaped product, and reduce the production cost.
Disclosure of Invention
The utility model aims to provide a groove-shaped part bending tool, and aims to solve the technical problems of complex processing technology, low production efficiency, high manufacturing cost and difficult guarantee of appearance quality of groove-shaped products in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the groove-shaped part bending tool comprises an upper die and a bottom die, wherein the upper die is arranged on a lifting stamping head of a press machine, and the bottom die is arranged on a workbench of the press machine; the stamping surface of the upper die is an arc surface matched with the radian of the outer surface of the groove-shaped part, the bottom die is provided with a limiting groove for accommodating the groove-shaped part, and two sides of the limiting groove are symmetrically provided with roller shafts which can be in contact with the surface of the groove-shaped part.
Preferably, the two roll shafts are symmetrically arranged on two sides of a notch of the limiting groove, the limiting groove is a V-shaped groove, and the lower half part of the limiting groove is an arc surface consistent with the arc surface of the groove-shaped part.
Preferably, the middle of the bottom of the limit groove is provided with a movable block capable of lifting, and a guide hole for accommodating the lifting of the movable block is arranged in the bottom die.
Preferably, the bottom of the movable block is connected with a spring, the spring is arranged in the guide hole, the upper end of the spring is connected with the movable block, and the lower end of the spring is connected with the bottom of the guide hole.
Preferably, the bottom of the movable block is connected with the lifting mechanism, and the bottom of the movable block is fixedly connected with the tail end of a movable rod of the lifting mechanism.
Preferably, the lifting mechanism is a hydraulic cylinder.
Preferably, a buffer cushion is arranged at the bottom of the limiting groove, and the buffer cushion is arranged between the groove-shaped part and the movable block.
Preferably, the cushion pad is a sponge pad.
Preferably, the top of the bottom die is provided with positioning plates which are symmetrically arranged on two sides and used for positioning the plate, the two positioning plates are correspondingly arranged on the upper platforms of the two roll shafts, and the positioning plates are used for enabling the center line of the plate to be opposite to the center line of the upper die up and down.
Preferably, the upper die is in clamping fit with the stamping head, a dovetail groove is formed in the top of the upper die along the length direction of the upper die, and a wedge-shaped connecting block matched with the bottom of the stamping head is correspondingly arranged at the bottom of the stamping head.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: compared with the prior art, the upper die is arranged at the bottom of the stamping head of the press, the bottom die with the limiting groove and the roll shafts is arranged on the workbench, so that the upper die can press the plate placed above the limiting groove in the lifting process of the stamping head, two sides of the plate are respectively contacted with the two roll shafts in the pressing process, friction force born by the plate in the pressing and bending process can be reduced by the aid of the roll shafts, and further the surface quality of a product is improved. The utility model can utilize a press with reasonable tonnage to directly press and form, simplifies the manufacturing process, ensures the appearance quality of products, improves the processing efficiency, reduces the manufacturing cost and is suitable for batch production.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a bending tool for a groove-shaped part, which is provided by an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a bending tool for a groove-shaped part (a state diagram of the groove-shaped part after being formed) according to another embodiment of the present utility model;
FIG. 3 is a state diagram of the trough-shaped part after the trough-shaped part bending tool in FIG. 2 is jacked and formed;
FIG. 4 is a schematic view of the installation of an upper die in an embodiment of the utility model;
FIG. 5 is a block diagram of a prior art trough-shaped part after being formed;
FIG. 6 is a side view of the trough-like part of FIG. 5;
in the figure: 00-groove parts, 01-left inclined surface parts, 02-arc parts, 03-right inclined surface parts, 04-welding seams and 05-stamping heads; 1-upper die, 2-bottom die, 3-limit groove, 4-roll shaft, 5-movable block, 6-lifting mechanism, 7-cushion pad and 8-dovetail groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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, the groove-type part bending tool provided by the utility model comprises an upper die 1 and a bottom die 2, wherein the upper die 1 is arranged on a lifting stamping head 05 of a press machine, and the bottom die 2 is arranged on a workbench of the press machine; the stamping surface of the upper die 1 is an arc surface matched with the radian of the outer surface of the groove-shaped part 00, the bottom die 2 is provided with a limiting groove 3 for accommodating the groove-shaped part 00, two sides of the limiting groove 3 are symmetrically provided with roller shafts 4 which can be in surface contact with the groove-shaped part 00, the roller shafts are driven to rotate in the pressing process of a plate, the friction force born by the plate is reduced, and the surface quality of a product is guaranteed. The two roll shafts 4 are symmetrically arranged on two sides of a notch of the limiting groove 3, the limiting groove 3 is a V-shaped groove, and the lower half part of the limiting groove 3 is an arc surface consistent with the 00 arc surface of the groove-shaped part. The plate is placed above the limiting groove of the bottom die, and the groove type part is directly pressed by a reasonable tonnage press for molding, so that the manufacturing process is simplified, the processing efficiency is improved, and the manufacturing cost is reduced.
In a specific embodiment of the present utility model, as shown in fig. 2 and 3, a movable block 5 capable of lifting is provided in the middle of the bottom of the limiting groove 3, and a guiding hole for accommodating lifting of the movable block 5 is provided in the bottom die 2. In the pressing process, the upper die moves downwards under the drive of the stamping head, and after the groove-shaped part is pressed and formed, the movable block moves upwards, so that the formed groove-shaped part can be lifted, and the groove-shaped part can be taken out conveniently.
In a specific design, the bottom of the movable block 5 is connected with a spring (not shown in the figure), the spring is arranged in the guide hole, the upper end of the spring is connected with the movable block 5, and the lower end of the spring is connected with the bottom of the guide hole. With the structure, the spring is gradually compressed and contracted in the compression molding process of the movable block; after the groove-shaped part is formed, in the upward moving process of the upper die, along with the reduction of the pressure applied to the spring, the spring rebounds to drive the groove-shaped part to rise, so that the unloading is convenient.
In another embodiment of the present utility model, as shown in fig. 2 and 3, the bottom of the movable block 5 is connected to the lifting mechanism 6, and the bottom of the movable block 5 is fixedly connected to the end of the movable rod of the lifting mechanism 6. The lifting mechanism adopts a hydraulic cylinder and can synchronously lift along with the upper die. In addition, the lifting mechanism can also select an air cylinder, an electric push rod or other parts capable of lifting linearly.
Further optimizing the above technical scheme, as shown in fig. 2 and 3, the bottom of the limit groove 3 is provided with a buffer pad 7, and the buffer pad 7 is arranged between the groove-shaped part 00 and the movable block 5. In the specific manufacturing process, the cushion pad 7 is a sponge pad or an elastic pad made of other materials. The cushion pad can prevent the product from directly contacting with the movable block, so that the surface quality of the product is further ensured.
In a specific embodiment of the present utility model, positioning plates (not shown in the drawing) for positioning the plate are symmetrically disposed on two sides of the top of the bottom die 2, and the two positioning plates are correspondingly disposed on the upper platforms of the two roller shafts 4, and the positioning plates are used for making the center line of the plate vertically opposite to the center line of the upper die 1. The positioning plate can be used for rapidly positioning the plate to be pressed, so that the accuracy of product manufacturing is ensured.
During specific assembly, as shown in fig. 4, the upper die 1 is in clamping fit with the stamping head 05, a dovetail groove 8 is formed in the top of the upper die 1 along the length direction of the upper die, and a wedge-shaped connecting block matched with the stamping head 05 is correspondingly arranged at the bottom of the stamping head 05. The structure is convenient and quick to assemble and disassemble, the upper dies with different specifications can be replaced according to the design requirements of different products, and the use is flexible and convenient.
In conclusion, the utility model has the advantages of simple and compact structure and high production efficiency, and the plate blank is directly blanked to survive after the calculation by performing the unfolding calculation on the groove-shaped part in the earlier stage. The upper die and the bottom die are arranged on a press machine with reasonable tonnage, and the groove-shaped part is directly pressed and formed by upper and lower die closing of the press machine. Meanwhile, the size of the groove-shaped part is conveniently adjusted by controlling the distance between the upper die and the bottom die.
The utility model adopts the common four-column hydraulic press to realize the pressing and bending operation, presses the plate into the groove-shaped part meeting the drawing requirement by the reasonable tonnage of the press, simplifies the manufacturing process, improves the processing efficiency, reduces the production cost and simultaneously reduces the labor intensity of workers.
In the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed above.
Claims (10)
1. A groove-shaped part bending tool is characterized in that: the die comprises an upper die and a bottom die, wherein the upper die is arranged on a lifting stamping head of a press machine, and the bottom die is arranged on a workbench of the press machine; the stamping surface of the upper die is an arc surface matched with the radian of the outer surface of the groove-shaped part, the bottom die is provided with a limiting groove for accommodating the groove-shaped part, and two sides of the limiting groove are symmetrically provided with roller shafts which can be in contact with the surface of the groove-shaped part.
2. The groove-type part bending tool as set forth in claim 1, wherein: the two roll shafts are symmetrically arranged on two sides of a notch of the limiting groove, the limiting groove is a V-shaped groove, and the lower half part of the limiting groove is an arc surface consistent with the arc surface of the groove-shaped part.
3. The groove-type part bending tool as set forth in claim 2, wherein: the bottom of the limit groove is provided with a movable block capable of lifting, and a guide hole for accommodating lifting of the movable block is formed in the bottom die.
4. The groove-type part bending tool as set forth in claim 3, wherein: the bottom of the movable block is connected with a spring, the spring is arranged in the guide hole, the upper end of the spring is connected with the movable block, and the lower end of the spring is connected with the bottom of the guide hole.
5. The groove-type part bending tool as set forth in claim 3, wherein: the bottom of the movable block is connected with the lifting mechanism, and the bottom of the movable block is fixedly connected with the tail end of a movable rod of the lifting mechanism.
6. The groove-type part bending tool as set forth in claim 5, wherein: the lifting mechanism is a hydraulic cylinder.
7. The groove-type part bending tool as set forth in claim 2, wherein: the bottom of the limiting groove is provided with a buffer cushion, and the buffer cushion is arranged between the groove-shaped part and the movable block.
8. The groove-type part bending tool as set forth in claim 7, wherein: the cushion pad is a sponge pad.
9. The groove-type part bending tool as set forth in claim 1, wherein: the top of the bottom die is provided with positioning plates which are symmetrically arranged on two sides and used for positioning the plate, the two positioning plates are correspondingly arranged on the upper platforms of the two roll shafts, and the positioning plates are used for enabling the center line of the plate to be opposite to the center line of the upper die up and down.
10. The groove-shaped part bending tool as claimed in any one of claims 1-9, wherein: the upper die is in clamping fit with the stamping head, a dovetail groove is formed in the top of the upper die along the length direction of the upper die, and a wedge-shaped connecting block matched with the stamping head is correspondingly arranged at the bottom of the stamping head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663209.0U CN219464422U (en) | 2023-03-30 | 2023-03-30 | Groove type part bending tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320663209.0U CN219464422U (en) | 2023-03-30 | 2023-03-30 | Groove type part bending tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219464422U true CN219464422U (en) | 2023-08-04 |
Family
ID=87467934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320663209.0U Active CN219464422U (en) | 2023-03-30 | 2023-03-30 | Groove type part bending tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219464422U (en) |
-
2023
- 2023-03-30 CN CN202320663209.0U patent/CN219464422U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bending fixture for groove type parts Granted publication date: 20230804 Pledgee: Bank of China Limited Zhangjiakou Branch Pledgor: HEBEI WANFENG METALLURGICAL SPARE PARTS Co.,Ltd. Registration number: Y2024980027308 |