CN215701639U - Hand-cutting marking device for hat-shaped stringer - Google Patents
Hand-cutting marking device for hat-shaped stringer Download PDFInfo
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- CN215701639U CN215701639U CN202121464915.XU CN202121464915U CN215701639U CN 215701639 U CN215701639 U CN 215701639U CN 202121464915 U CN202121464915 U CN 202121464915U CN 215701639 U CN215701639 U CN 215701639U
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- 239000003550 marker Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 22
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a cap-shaped stringer hand-cutting scribing device, which comprises: the sectional type base and the scribing assembly are characterized in that the scribing assembly comprises a ruler seat, a guide block, a sliding block, a spring needle and a tightness positioning piece, a sliding rail and scale marks are arranged on the ruler seat, the scale marks are arranged in parallel with the sliding rail, the guide block is connected below the ruler seat, the sliding block is connected with the sliding rail in a sliding mode, and the spring needle and the tightness positioning piece are arranged on the sliding block. The manual machining marking device for the hat-shaped stringer has the beneficial effects that the manual machining quality and efficiency of the hat-shaped stringer can be improved, and the machining cost is saved.
Description
Technical Field
The utility model relates to the field of machining, in particular to a hat-shaped stringer hand-cutting and scribing device.
Background
The torsional rigidity and bending stability of the hat-shaped composite stringer are greatly superior to those of the commonly-used T-shaped and I-shaped section stringers, and the corrosion problem of the stringers in the use of a metal material structure is solved, so that the hat-shaped composite stringer is widely applied to the design of modern aircraft panel structures.
Due to the particularity of the hat-type stringer structure, for the manual machining mode, firstly, the stringer is not provided with a clamping device and is generally placed on a table top for operation. If the crown is down, the stringer is not stable in placement; the cap top is upward, the edge strip placed on the table top cannot be machined, and the cap is easy to vibrate. Moreover, in the development stage, due to the budget consideration, many hat-shaped stringers with similar inner profiles but different widths of flanges share the same tooling, so that stringers that do not completely match the tooling are not scribed, which makes machining difficult. In addition, due to the thermal expansion of the tool made of ordinary steel, the scribed line on the surface of the stringer is different from the theoretical profile after curing.
Under the condition, the existing manual machining of the stringer can only determine the appearance of the stringer by means of paving and pasting the demolding cloth, the existence of the R angle of the stringer leads to difficulty in finding a reference point for paving and pasting the demolding cloth, the mode of determining the appearance of the stringer by pasting the demolding cloth wastes time and labor, and the machining quality is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a manual cutting and scribing device for a hat-shaped stringer, which can improve the efficiency and quality of manual machining of the hat-shaped stringer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hat stringer hand-cut scoring device, comprising: sectional type base and rule subassembly, it includes ruler base, guide block, slider, spring needle and elasticity setting element to rule the subassembly, be provided with slide rail and scale mark on the ruler base, the scale mark with slide rail parallel arrangement, the guide block is connected ruler base below, the slider with slide rail sliding connection, the spring needle with the elasticity setting element all sets up on the slider.
In one embodiment, an alignment mark is arranged on the sliding block, and the alignment mark is arranged corresponding to the position of the pogo pin.
In one embodiment, the guide blocks are sized and shaped to match the size and shape, respectively, of the inner profile of the hat stringer.
In one embodiment, the guide block is detachably connected with the ruler seat.
In one embodiment, the ruler base is provided with a roller.
In one embodiment, the elastic positioning member is a puller bolt.
In one embodiment, the segmented base is a wood base or a rigid plastic base.
In one embodiment, the pogo pin has a needle diameter of 0.3 mm.
When the cap-shaped stringer hand-cutting scribing device is used, a proper number of block-type bases are adapted according to the length of the cap-shaped stringer, and then the cap-shaped stringer is placed on the block-type bases; then, the scribing assembly is arranged on the hat-shaped stringer, the width of the edge strips on the two sides of the stringer is determined through a digital-analog model, and the sliding blocks on the two sides are respectively adjusted according to the scale marks on the ruler seat to enable the distance between the two spring pins to be consistent with the width of the stringer edge strips; after the position of the spring needle is determined, the slide block is fixed on the slide rail by screwing the elastic fixing piece, so that the position of the spring needle is fixed; after the position of the spring needle is fixed, the ruler seat is moved along the length direction of the stringer, so that the spring needle draws machine-engraved lines on the stringer edge strip; and finally, taking down the cap-shaped stringer hand-cutting scribing device, and adding according to a scribing machine.
The hand-cutting scribing device for the hat-shaped stringer can accurately give the position of the stringer flange strip according to the scale marks, is accurate in scribing, can effectively guarantee the manual machining quality of the hat-shaped stringer, is small and exquisite in device, simple in structure and easy to operate, and can effectively improve machining efficiency. In addition, the cap-shaped stringer hand-cutting scribing device is high in applicability to stringers with the same inner molded surfaces, can save demolding cloth, and is beneficial to saving machining cost.
In conclusion, the manual cutting and scribing device for the hat-shaped stringer has the beneficial effects that the manual machining quality and efficiency of the hat-shaped stringer can be improved, and the machining cost is saved.
Drawings
FIG. 1 is a schematic view of the hand-cut scoring device for hat stringers in one embodiment;
FIG. 2 is a schematic diagram of the structure of a scribe assembly in one embodiment;
FIG. 3 is a schematic diagram of an exemplary embodiment of a hand-cut hat stringer scoring device.
Description of reference numerals:
10-block type base, 20-marking assembly, 30-cap type stringer, 21-ruler base, 211-slide rail, 212-scale mark, 23-guide block, 24-slide block, 241-alignment mark line, 25-spring needle and 26-elastic positioning piece.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 3, the hand-cutting and scribing apparatus for hat-type stringers of an embodiment includes a block-type base 10 and a scribing assembly 20. The marking assembly 20 comprises a ruler base 21, a guide block 23, a sliding block 24, a spring needle 25 and an elastic positioning piece 26, wherein the ruler base 21 is provided with a sliding rail 211 and scale marks 212, the scale marks 212 are arranged in parallel with the sliding rail 211, the guide block 23 is connected below the ruler base 21, the sliding block 24 is in sliding connection with the sliding rail 211, and the spring needle 25 and the elastic positioning piece 26 are both arranged on the sliding block 24.
Specifically, the block base 10 is provided with an accommodating groove, the shape of the cross section of the accommodating groove is the same as the shape of the outer profile of the cap-shaped stringer 30, and the size of the cross section of the accommodating groove is slightly larger than the size of the outer profile of the cap-shaped stringer 30. The hat-shaped stringer 30 is placed on the block-type base 10 and then is contained in the containing groove, and the installation is stable and reliable.
In this embodiment, the number of the sliders 24, the pogo pins 25 and the elastic positioning members 26 is two, the two sliders 24 are respectively and correspondingly provided with the pogo pins 25 and the elastic positioning members 26, the two sliders 24 respectively move on the slide rail 211 and drive the corresponding pogo pins 25 to move so as to adjust the distance between the two pogo pins 25, and the distance between the two pogo pins 25 is calculated according to the scale values respectively corresponding to the two pogo pins 25. Further, the elastic positioning element 26 is used for limiting and fixing the sliding block 24, and specifically, the elastic positioning element 26 may be, but is not limited to, a puller bolt.
When the hand-cutting scribing device for the hat-shaped stringers is used, a proper number of block-type bases 10 are adapted according to the length of the hat-shaped stringers 30, and then the hat-shaped stringers 30 are placed on the block-type bases 10; then, the scribing component 20 is placed on the hat-shaped stringer 30, the width of the two side flanges of the stringer is determined through a digital model, and the slide blocks 24 on the two sides are respectively adjusted according to the scale marks 212 on the ruler seat 21 so that the distance between the two pogo pins 25 is consistent with the width of the stringer flanges; after the position of the pogo pin 25 is determined, the slider 24 is fixed on the slide rail 211 by screwing the elastic fixing member, thereby fixing the position of the pogo pin 25; after the position of the spring needle 25 is fixed, the ruler base 21 is moved along the length direction of the stringer, so that the spring needle 25 draws machine-machined lines on the stringer edge strip; finally, the cap stringer 30 is removed and the scoring device is hand cut and added according to the scoring machine.
The hand-cutting scribing device for the hat-shaped stringer can accurately give the position of the stringer flange strip according to the scale marks 212, is accurate in scribing, can effectively guarantee the manual machining quality of the hat-shaped stringer 30, is small and exquisite in device, simple in structure and easy to operate, and can effectively improve the machining efficiency. In addition, the cap-shaped stringer hand-cutting scribing device is high in applicability to stringers with the same inner molded surfaces, can save demolding cloth, and is beneficial to saving machining cost.
In one embodiment, an alignment marker 241 is disposed on slider 24, and alignment marker 241 is disposed in correspondence with the position of pogo pin 25. As shown in fig. 1 and 2, in the present embodiment, the alignment mark 241 and the pogo pin 25 are respectively disposed on the upper surface and the lower surface of the slider 24, and the alignment mark 241 and the pogo pin 25 are located on the same straight line along the vertical direction, and the alignment mark 241 is disposed to facilitate reading of the scale value on the scale mark 212 corresponding to the pogo pin 25, which is helpful for improving the alignment accuracy and the manual machining efficiency. Further, in one embodiment, the pogo pins 25 have a tip diameter of 0.3mm, which corresponds to the width of a typical tooling scribe line, helping to further ensure alignment accuracy.
In one embodiment, the guide blocks 23 are sized and shaped to match the size and shape, respectively, of the inner profile of the hat stringer 30. Specifically, the shape of guide block 23 is the same with the shape of the hat stringer 30 to be processed, the size is slightly less than the size of the inner profile of the hat stringer 30, the scribing component 20 is arranged on the hat stringer 30, the guide block 23 is positioned on the inner profile of the hat stringer 30 and matched with the inner profile, the guide block 23 is positioned on the inner profile of the stringer, when the ruler base 21 is moved along the length direction of the stringer, the guide block 23 can perform sliding guide limiting on the ruler base 21, the sliding deviation of the ruler base 21 can be avoided, and the scribing accuracy can be effectively ensured.
In one embodiment, the guide block 23 is detachably connected to the scale base 21. Specifically, the guide block 23 and the ruler base 21 can be detachably connected through a bolt connection or a clamping connection, any manner capable of detachably connecting the guide block 23 and the ruler base 21 in the prior art is applicable, and this embodiment is not limited specifically. The guide block 23 and the ruler seat 21 are detachably connected, the universality of the cap-shaped stringer hand-cutting marking device is further improved, the measuring and marking can be performed on the stringers with the same inner profile after the guide block 23 and the segmented base 10 are replaced, and the application range of the cap-shaped stringer hand-cutting marking device is wider.
In one embodiment, the ruler base 21 is provided with a roller, and particularly, the roller is installed at the bottom of the ruler base 21, and the roller is arranged to enable the ruler base 21 to move on the hat-shaped stringer 30 more smoothly, which helps to further improve the scribing efficiency.
In one embodiment, the segmented base 10 is a wood base or a rigid plastic base, and is simple to process and low in cost, which contributes to further saving of manual machining cost.
The manual machining marking device for the hat-shaped stringer has the beneficial effects that the manual machining quality and efficiency of the hat-shaped stringer can be improved, and the machining cost is saved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A hat stringer hand-cut scoring device, comprising: sectional type base (10) and rule subassembly (20), rule subassembly (20) is including ruler base (21), guide block (23), slider (24), spring needle (25) and elasticity setting element (26), be provided with slide rail (211) and scale mark (212) on ruler base (21), scale mark (212) with slide rail (211) parallel arrangement, guide block (23) are connected ruler base (21) below, slider (24) with slide rail (211) sliding connection, spring needle (25) with elasticity setting element (26) all set up on slider (24).
2. The hat stringer hand-cut marking device according to claim 1, wherein an alignment marker (241) is provided on the slider (24), the alignment marker (241) being provided in correspondence with the position of the pogo pin (25).
3. The hand-cut hat stringer according to claim 1, wherein the guide blocks (23) are sized and shaped to match the size and shape, respectively, of the inner profile of the hat stringer (30).
4. The hat stringer hand-cut scoring device according to claim 1, wherein the guide block (23) is removably connected to the rule base (21).
5. The hat stringer hand-cut marking device of claim 1, wherein a roller is provided on the rule base (21).
6. The hand-cut scoring device for hat stringers of any of claims 1 to 5, wherein the bungee retainers (26) are jack bolts.
7. The hat stringer hand-cut scoring device according to any one of claims 1 to 5, wherein the segmented base (10) is a wood base or a rigid plastic base.
8. The cap stringer hand-cut marking device of any one of claims 1 to 5, wherein the pogo pins (25) have a pin diameter of 0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464915.XU CN215701639U (en) | 2021-06-30 | 2021-06-30 | Hand-cutting marking device for hat-shaped stringer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464915.XU CN215701639U (en) | 2021-06-30 | 2021-06-30 | Hand-cutting marking device for hat-shaped stringer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215701639U true CN215701639U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121464915.XU Active CN215701639U (en) | 2021-06-30 | 2021-06-30 | Hand-cutting marking device for hat-shaped stringer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215701639U (en) |
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2021
- 2021-06-30 CN CN202121464915.XU patent/CN215701639U/en active Active
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