CN211294468U - Flexible tensile test device for plates - Google Patents
Flexible tensile test device for plates Download PDFInfo
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- CN211294468U CN211294468U CN202020251827.0U CN202020251827U CN211294468U CN 211294468 U CN211294468 U CN 211294468U CN 202020251827 U CN202020251827 U CN 202020251827U CN 211294468 U CN211294468 U CN 211294468U
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- test device
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- 238000009864 tensile test Methods 0.000 title description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 13
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a drawing, bending and forming device for metal sheets, in particular to a flexible drawing and forming test device for sheets, which comprises a workbench, a die and a lifting driving mechanism thereof which are arranged on the workbench, and two groups of sheet end clamping assemblies and corresponding supports thereof which are respectively arranged at two sides of the die, wherein the die comprises a base and a plurality of shape adjusting screw rods which are arranged on the base side by side; the plate end clamping assembly comprises an upper clamping plate, a lower clamping plate and a fastener, wherein the upper clamping plate and the lower clamping plate are arranged in pairs; one end of the lower clamping plate is rotatably hinged on the corresponding support; meanwhile, the corresponding supports on the two sides of the die are provided with horizontal distance adjusting mechanisms. The utility model discloses simple structure, operation convenient to use to the range of application is wide.
Description
Technical Field
The utility model relates to a metal sheet draws shape bending apparatus, especially relates to a flexible test device that draws shape of panel.
Background
The metal plate stretch forming process is very wide in the field of airplane and automobile manufacturing, and students can experience the forming process in person through experiments in the learning process of the students, so that the students can more firmly master knowledge and can also carry out certain innovation on the basis of learning the knowledge. However, the existing stretch-forming devices are used for large-scale stretch-forming machines in industrial production, and due to the fact that the number of students is large, even if the students are grouped, relatively more test equipment is needed, the price is high, the operation is complicated, and therefore the large-scale stretch-forming testing machine is not suitable for teaching laboratories in schools. Moreover, the existing stretching devices are all symmetric stretching of plates with fixed sizes, and are not suitable for asymmetric stretching of plates with different sizes, so that the stretching devices are not beneficial to popularization and implementation.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome the not enough of above-mentioned prior art, and provide a simple structure, operation convenient to use to the wide panel flexibility of range of application draws shape test device.
In order to solve the technical problem, the utility model discloses a technical scheme does:
designing a flexible tensile test device for a plate, which comprises a workbench, a die and a lifting driving mechanism thereof which are arranged on the workbench, and two groups of plate end clamping assemblies and corresponding supports thereof which are respectively arranged on two sides of the die, wherein the die comprises a base and a plurality of shape adjusting screw rods which are arranged on the base side by side; the plate end clamping assembly comprises an upper clamping plate, a lower clamping plate and a fastener, wherein the upper clamping plate and the lower clamping plate are arranged in pairs; one end of the lower clamping plate is rotatably hinged on the corresponding support; meanwhile, the corresponding supports on the two sides of the die are provided with horizontal distance adjusting mechanisms.
Preferably, in the flexible tensile test device for the sheet material, the horizontal distance adjusting mechanism for the supports comprises a screw rod and nut adjusting mechanism connected to each support.
Preferably, in the flexible tensile test device for the sheet material, a sliding block is arranged on the support, and an oblong sliding groove is arranged on the workbench corresponding to the sliding block in a matching manner.
Preferably, in the above flexible stretch-forming test device for sheet material, a measuring tape is respectively provided at one side of the corresponding support along the direction of the sliding groove.
Preferably, in the flexible tensile test device for the sheet material, one end of the lower clamping plate is rotatably connected to the corresponding support through a rotating shaft.
Preferably, in the flexible tensile test device for sheet material, the mold lifting driving mechanism is a hydraulic jack, a main body part of the hydraulic jack is fixed below the workbench, a piston rod of the hydraulic jack extends upwards through the workbench, and the extending end is connected with the mold base.
Preferably, in the flexible tensile test device for the sheet material, each shape adjusting screw is fixedly connected with the mold base through threads.
The utility model discloses technical scheme's beneficial technological effect is:
1. structurally, the die of the utility model adopts the shape-adjusting screw rods arranged side by side, and the height of the shape-adjusting screw rods can be adjusted by a screwdriver according to the shape to be stretched to adjust the shape of the required plate; therefore, the device has simple structure and convenient operation and use, and is very suitable for students to manually perform the stretching principle test.
2. Structurally, the utility model discloses for the large-scale machine that draws shape of current industrial production, simplify the punch holder and the lower plate integrated configuration that set up in pairs with panel tip centre gripping subassembly to realize the fastening connection of the two with the panel tip through the fastener, simple structure, low in manufacturing cost, operation convenient to use.
3. Structurally, the utility model is additionally provided with a horizontal distance adjusting mechanism of the splint support, thereby adapting to the drawing requirements of plates with different sizes; and this splint support horizontal spacing adjustment mechanism can also realize the both sides splint for the symmetry or the asymmetric regulation of middle mould to compromise the functional requirement that panel symmetry was drawn shape and asymmetric drawing shape. Therefore, the application range is wide, and the popularization and the implementation are easy.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the structure of the flexible stretch-forming test device for sheet material in the present invention in the operating state before stretch-forming;
FIG. 2 is a schematic view of the flexible stretch-forming test device for sheet material of the present invention showing the structure of the sheet material after stretching;
FIG. 3 is a schematic diagram of the effect of the asymmetric stretch forming of the sheet material;
Detailed Description
In the following, the accompanying drawings in the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only schematic partial embodiments of the present invention, and are not used to limit the scope of the present invention, and any person skilled in the art should belong to the protection scope of the present invention without departing from the equivalent changes and modifications made by the present invention under the premise of the concept and principle of the present invention.
Examples
Referring to fig. 1-3, in the drawings, the utility model discloses flexible tensile shape test device of panel, including measuring tape 1, splint support 2, lower plate 3, punch holder 4, fastening screw 5, panel 6, accent shape screw rod 7, accent shape screw rod seat 8, hydraulic jack 9, workstation 10, lead screw nut adjustment mechanism 11 etc..
Wherein, the hydraulic jack 9 is arranged on the workbench in the middle, the main body part of the hydraulic jack is fixed below the workbench, the piston rod of the hydraulic jack upwards penetrates through the workbench to extend out, and the extending end is connected with the shape-adjusting screw rod seat 8. The shape-adjusting screw rods 7 are provided with a plurality of parallel threaded connection in corresponding threaded holes arranged on the surface of the shape-adjusting screw rod seat 8.
Two groups of plate end clamping assemblies consisting of a lower clamping plate 3, an upper clamping plate 4 and a fastening screw 5 are arranged on two sides of the shape-adjusting screw rod seat 8. When in use, the lower clamping plate 3, the upper clamping plate 4 and the end part of the plate 6 are connected together through the fastening screw 5. The splint supports 2 corresponding to the lower splints 3 on both sides are respectively provided with a pair. One end of the lower splint 3 is rotatably connected to the corresponding pair of splint supports 2 through a rotating shaft. Through the effect of oil pressure, oil jack 9 is ejecting, and panel 6 warp, and lower splint 3 and upper splint 4 can be along with the panel slope.
The bottom of each clamping plate support 2 is provided with a sliding block, and an oblong sliding groove is formed in the workbench corresponding to the sliding block in a matching mode. One side of each splint support 2 is provided with a measuring tape 1 along the direction of the sliding groove. A set of screw rod and nut adjusting mechanisms 11 are correspondingly arranged on the pair of clamping plate supports 2 on each side and used for adjusting the horizontal distance between the clamping plates on the two sides and adjusting the clamping plates on the two sides symmetrically or asymmetrically relative to the middle die.
The hydraulic jack 9 is preferably a separate hydraulic jack, and the operation is more convenient during the stretch-forming test.
The specific use process is roughly as follows:
1. firstly, according to the shape to be stretched, a screwdriver is used for adjusting the height of a shape adjusting screw rod to the shape of the plate to be stretched;
2. placing the plate between the upper clamping plate and the lower clamping plate, and then screwing the screw;
3. applying force to the jack, driving the mould to move upwards by the jack, and simultaneously pushing the plate to move upwards;
4. and (5) deforming the plate, tightly attaching the stretch forming die, and stretch forming the plate.
The mould of the utility model adopts the shape-adjusting screw rods which are arranged side by side, and the height of the shape-adjusting screw rods can be adjusted by a screwdriver according to the shape to be stretched, so as to adjust the shape of the plate to be drawn; therefore, the device has simple structure and convenient operation and use, and is very suitable for students to manually perform the stretching principle test. For the large-scale drawing machine of current industrial production, simplify panel tip centre gripping subassembly into upper clamp plate and the lower plate integrated configuration that sets up in pairs to realize the fastening connection of the two and panel tip through the fastener, simple structure, low in manufacturing cost, operation convenient to use.
In addition, a horizontal distance adjusting mechanism of the splint support is additionally arranged, so that the requirement of stretch forming of plates with different sizes is met; and this splint support horizontal spacing adjustment mechanism can also realize the both sides splint for the symmetry or the asymmetric regulation of middle mould to compromise the functional requirement that panel symmetry was drawn shape and asymmetric drawing shape. The effect of the asymmetric drawing of the plate is schematically shown in figure 3. Therefore, the application range is wide, and the popularization and the implementation are easy.
In the above embodiments, the hydraulic jack for lifting/lowering the shape-adjusting screw seat may be replaced by other hydraulic cylinders, or air cylinders or electric push rods, or other mechanical lifting mechanisms, such as screw-nut transmission mechanisms, worm-gear transmission mechanisms, or rack-and-pinion transmission mechanisms; the screw rod and nut adjusting mechanism for adjusting the horizontal distance of the splint support can also be replaced by other hydraulic cylinders, air cylinders or electric push rods, or other mechanical adjusting mechanisms such as worm and gear mechanisms or rack and pinion mechanisms. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a flexible test device that draws shape of panel, includes the workstation, locates mould and lift actuating mechanism on the workstation to and divide two sets of panel tip centre gripping subassemblies and corresponding support, characterized by of locating the mould both sides: the mold comprises a base and a plurality of shape adjusting screw rods arranged on the base side by side; the plate end clamping assembly comprises an upper clamping plate, a lower clamping plate and a fastener, wherein the upper clamping plate and the lower clamping plate are arranged in pairs; one end of the lower clamping plate is rotatably hinged on the corresponding support; meanwhile, the corresponding supports on the two sides of the die are provided with horizontal distance adjusting mechanisms.
2. The flexible stretch-forming test device for sheet materials according to claim 1, wherein: the support horizontal distance adjusting mechanism comprises a screw rod and nut adjusting mechanism connected with each support.
3. The flexible stretch-forming test device for sheet materials according to claim 2, wherein: the support is provided with a sliding block, and an oblong sliding groove is arranged on the workbench corresponding to the sliding block in a matching mode.
4. The flexible stretch-forming test device of sheet material according to claim 3, wherein: and measuring rulers are respectively arranged on one side of the corresponding support along the direction of the sliding groove.
5. The apparatus for testing the flexibility of a plate according to any one of claims 1 to 4, wherein: one end of the lower clamping plate is rotatably connected to the corresponding support through a rotating shaft.
6. The apparatus for testing the flexibility of a plate according to any one of claims 1 to 4, wherein: the mould lifting driving mechanism is a hydraulic jack, the main body part of the hydraulic jack is fixed below the workbench, a piston rod of the hydraulic jack upwards penetrates through the workbench to extend out, and the extending end is connected with the mould base.
7. The apparatus for testing the flexibility of a plate according to any one of claims 1 to 4, wherein: and each shape-adjusting screw rod is fixedly connected with the mold base through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251827.0U CN211294468U (en) | 2020-03-04 | 2020-03-04 | Flexible tensile test device for plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251827.0U CN211294468U (en) | 2020-03-04 | 2020-03-04 | Flexible tensile test device for plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211294468U true CN211294468U (en) | 2020-08-18 |
Family
ID=72016196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020251827.0U Expired - Fee Related CN211294468U (en) | 2020-03-04 | 2020-03-04 | Flexible tensile test device for plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211294468U (en) |
-
2020
- 2020-03-04 CN CN202020251827.0U patent/CN211294468U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20210304 |