CN219130870U

CN219130870U - Paddle arm punching tool

Info

Publication number: CN219130870U
Application number: CN202222560597.8U
Authority: CN
Inventors: 孙志武
Original assignee: Shanghai Zhehang Helicopter Technology Co Ltd
Current assignee: Shanghai Zhehang Helicopter Technology Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-06
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of punching of a paddle arm, and discloses a punching tool for the paddle arm, which comprises an upper fixed die drilling jig and a lower fixed die drilling jig, wherein grooves are formed in the upper fixed die drilling jig and the lower fixed die drilling jig and are symmetrically arranged with each other, positioning plates are clamped between the grooves, a splicing mechanism is arranged on the upper fixed die drilling jig and the lower fixed die drilling jig, the splicing mechanism comprises two side plates, four first bolts, two second bolts and two third bolts, the two side plates are respectively arranged on the left side and the right side of the upper fixed die drilling jig and the lower fixed die drilling jig, and each first bolt penetrates through the side plates on the same side, the side walls of the upper fixed die drilling jig and the lower fixed die drilling jig in a threaded manner. The movable template is arranged on the upper drilling jig of the fixed die and the lower drilling jig of the fixed die, the hub arm with the complex curved surface appearance is positioned through each positioning hole, then drilling, boring and grinding of each hole are carried out, and the installation and use precision of the blade arm are ensured.

Description

Paddle arm punching tool

Technical Field

The utility model relates to the technical field of blade arm punching, in particular to a blade arm punching tool.

Background

Unmanned aircraft, for short, "unmanned aircraft," is unmanned aircraft that is maneuvered using a radio remote control device and a self-contained programming device, or is operated autonomously, either entirely or intermittently, by an on-board computer.

With the high-speed development of helicopter rotor system technology, the application of the hingeless rotor hub is more and more extensive, and the composite material technology is also applied to the hingeless rotor hub in a large quantity, wherein the most typical structure is a rotor hub arm, and the composite material rotor hub arm has higher specific strength and higher specific rigidity than metal materials and longer service life, so that the service life of the rotor hub is greatly prolonged.

At present, no complete process technology is available in China for drilling and boring a positioning hole of a mounting seat and a hub of a paddle arm, so the scheme provides a punching tool for the paddle arm.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a blade arm punching tool.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the blade arm punching tool comprises a fixed die upper drill jig and a fixed die lower drill jig, wherein grooves are formed in the fixed die upper drill jig and the fixed die lower drill jig and are symmetrically arranged with each other, positioning plates are clamped between the grooves, splicing mechanisms are arranged on the fixed die upper drill jig and the fixed die lower drill jig, and each splicing mechanism comprises two side plates, four first bolts, two second bolts and two third bolts;

the two side plates are respectively arranged on the left side and the right side of the upper drilling jig and the lower drilling jig of the fixed die, every two bolts are respectively threaded through the side plates on the same side, the upper drilling jig of the fixed die and the side walls of the lower drilling jig of the fixed die, the two bolts are sequentially threaded through the upper drilling jig of the fixed die and the lower drilling jig of the fixed die from bottom to top, the three bolts are sequentially threaded through the upper drilling jig of the fixed die, the positioning plate and the lower drilling jig of the fixed die from top to bottom, and the three bolts are positioned between the two bolts.

Preferably, the front surface of the positioning plate is provided with two first positioning holes in sequence. The position of the die is positioned by arranging the positioning holes.

Preferably, the front surfaces of the upper fixed die drilling jig and the lower fixed die drilling jig are fixedly provided with movable templates.

Preferably, the front face of the movable template is provided with an angle hole drilling and grinding sleeve. The movable template is used by the angle hole drilling sleeve, so that manual drilling can be performed.

Preferably, two positioning holes II are sequentially formed in the left side of the front face of the movable template, and a double-drill die sleeve is arranged in the right side of the front face of the movable template. The position size of the cutter and the feeding direction of the guiding cutter are controlled by arranging the double drilling die sleeves.

Preferably, the top and bottom of the front face of the movable template are respectively provided with four positioning holes III, and the number of the positioning holes III is eight. The second positioning hole and the third positioning hole are consistent with the actual position of the part.

(III) beneficial effects

Compared with the prior art, the utility model provides a blade arm punching tool, which has the following beneficial effects:

1. this paddle arm frock of punching installs on the drill jig on the cover half and the cover half lower drill jig through the movable mould board, fixes a position the oar hub arm that possesses complicated curved surface appearance through each locating hole, then bores the boring mill in each hole, guarantees the installation and the use precision of paddle arm.

2. This paddle arm frock of punching uses the movable mould board through angle hole drill grinding cover, can carry out artifical drilling, reduces the use of lathe, reduces technology cost.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of an upper fixed mold drill jig and a lower fixed mold drill jig of the present utility model;

FIG. 2 is a cross-sectional view of the upper die and lower die of the stationary mold of the present utility model;

fig. 3 is a front view of the moving die plate of the present utility model.

In the figure: 1. drilling a die on the fixed die; 2. a fixed die lower drill jig; 3. a positioning plate; 4. a splicing mechanism; 401. a side plate; 402. a first bolt; 403. a second bolt; 404. a third bolt; 5. positioning holes I; 6. a movable template; 7. an angle hole drill grinding sleeve; 8. positioning holes II; 9. double drill die sleeves; 10. and positioning holes III.

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.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

As shown in fig. 1-3, the utility model provides a blade arm punching tool, which comprises a fixed die upper drill jig 1 and a fixed die lower drill jig 2, wherein grooves are respectively formed in the fixed die upper drill jig 1 and the fixed die lower drill jig 2 and are symmetrically arranged, a positioning plate 3 is clamped between the grooves, a splicing mechanism 4 is arranged on the fixed die upper drill jig 1 and the fixed die lower drill jig 2, the splicing mechanism 4 comprises two side plates 401, four first bolts 402, two second bolts 403 and two third bolts 404, the two side plates 401 are respectively arranged on the left side and the right side of the fixed die upper drill jig 1 and the fixed die lower drill jig 2, each first bolt 402 penetrates through the side plates 401 on the same side, the side walls of the fixed die upper drill jig 1 and the fixed die lower drill jig 2 in a threaded manner, the two second bolts 403 penetrate through the fixed die upper drill jig 1 and the fixed die lower drill jig 2 in a threaded manner from top to bottom in sequence, the two third bolts 404 penetrate through the fixed die upper drill jig 1 and the positioning plate 3 and the fixed die lower drill jig 2 in a threaded manner from top to bottom in a threaded manner, the two third bolts 403 are positioned between the two front sides of the two positioning plates 404 are sequentially arranged, and two positioning plates 5 are respectively positioned between the two front sides of the two bolts 404;

in the embodiment, the side plates 401 are fixed on two sides of the upper fixed die drilling jig 1 and the lower fixed die drilling jig 2 through the first bolts 402, the second bolts 403 fasten the upper fixed die drilling jig 1 and the lower fixed die drilling jig 2, and the third bolts 404 fasten the positioning plate 3 in a limiting manner so as to position the dies.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the front surfaces of the upper drilling jig 1 and the lower drilling jig 2 of the fixed die are fixedly provided with a movable die plate 6, the front surface of the movable die plate 6 is provided with an angle hole drilling sleeve 7, the left side of the front surface of the movable die plate 6 is sequentially provided with two positioning holes II 8, the right side of the front surface of the movable die plate 6 is provided with a double drilling sleeve, the top and the bottom of the front surface of the movable die plate 6 are respectively provided with four positioning holes III 10, and the number of the positioning holes III 10 is eight;

in the embodiment, the movable template 6 is arranged on the upper drilling jig 1 of the fixed die and the lower drilling jig 2 of the fixed die, the hub arm with the complex curved surface appearance is positioned through each positioning hole, then drilling, boring and grinding of each hole are carried out, and the installation and use precision of the blade arm are ensured.

The working principle of the blade arm punching tool is specifically described below.

As shown in fig. 1-3, when the die is used, the first bolt 402 is used for fixing the two side plates 401 on two sides of the upper die 1 and the lower die 2 of the fixed die respectively, the upper die 1 and the lower die 2 of the fixed die are fastened through the second bolt 403, the positioning plate 3 is fastened between the upper die 1 and the lower die 2 of the fixed die in a limiting manner through the third bolt 404, the stability of the die is enhanced, the die is positioned, the movable die plate 6 is arranged on the upper die 1 and the lower die 2 of the fixed die, the angle hole drill sleeve 7 is used for manually drilling holes, the use of a machine tool is reduced, the process cost is reduced, the double drill sleeve 9 is used for controlling the position size of a cutter and the feeding direction of the guide cutter, and the positions of the double drill sleeve 9, the positioning hole 8 and the positioning hole 10 are consistent with the actual positions of parts, so that the technical requirements of high form tolerance and inclined plane and curved surface drilling holes of the machining holes are met.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a paddle arm frock of punching, includes drill jig (1) and cover half lower drill jig (2) on the cover half, its characterized in that: grooves are formed in the upper drilling jig (1) of the fixed die and the lower drilling jig (2) of the fixed die and are symmetrically arranged with each other, positioning plates (3) are clamped between the grooves, a splicing mechanism (4) is arranged on the upper drilling jig (1) of the fixed die and the lower drilling jig (2) of the fixed die, and the splicing mechanism (4) comprises two side plates (401), four bolts one (402), two bolts two (403) and two bolts three (404);

two curb plates (401) set up respectively in the left and right sides of cover half upper drill jig (1) and cover half lower drill jig (2), every two bolt one (402) screw thread runs through curb plate (401) of homonymy, cover half upper drill jig (1) and cover half lower drill jig (2) lateral wall respectively, two bolt two (403) screw thread runs through cover half upper drill jig (1), cover half lower drill jig (2) from bottom to top in proper order, two bolt three (404) screw thread runs through cover half upper drill jig (1), locating plate (3), cover half lower drill jig (2) from top to bottom in proper order, and two bolt three (404) are located between two bolt two (403).

2. The paddle arm punch tool of claim 1, wherein: the front face of the locating plate (3) is provided with two locating holes I (5) in sequence.

3. The paddle arm punch tool of claim 1, wherein: the front surfaces of the upper fixed die drilling jig (1) and the lower fixed die drilling jig (2) are fixedly provided with movable templates (6).

4. A paddle arm punch tool according to claim 3, wherein: the front of the movable template (6) is provided with an angle hole drilling and grinding sleeve (7).

5. A paddle arm punch tool according to claim 3, wherein: two locating holes II (8) are sequentially formed in the left side of the front face of the movable template (6), and a double-drill die sleeve is arranged on the right side of the front face of the movable template (6).

6. A paddle arm punch tool according to claim 3, wherein: four positioning holes III (10) are respectively formed in the top and the bottom of the front face of the movable template (6), and the number of the positioning holes III (10) is eight.