A punching device suitable for aviation parts

Abstract

The utility model relates to perforating device technical field especially discloses a kind of perforating device suitable for aviation parts, including bench drill, drill box is equipped on bench drill, base is equipped on bench drill, second limiting structure is equipped on the sidewall of base, by setting second limiting structure, after the first limiting structure is completed adjustment, rotate double-end screw upwards to make it move along second thread groove to the gapless with conical head bonding surface, again according to the required drilling depth parameter of workpiece downwards rotate double-end screw to complete depth limiting adjustment, when twist drill reaches preset depth limit during operation, conical head will be in contact with the upper surface of double-end screw, so that the actual drilling depth requirement of workpiece can be accurately positioned according to, cooperate with the first limiting structure, the problem of overdeep drilling or insufficient drilling depth that can be effectively avoided in manual operation process, ensure the consistency and accuracy of aviation parts drilling depth, reduce processing scrap rate.

Description

Technical Field

[0001] This utility model relates to the field of drilling device technology, and in particular to a drilling device suitable for aerospace parts. Background Technology

[0002] Bench drills are commonly used machining equipment and are widely used in drilling operations for various parts. Especially in the processing of aerospace parts, high precision and high consistency drilling requirements must be met, and their operational stability and processing accuracy directly affect product quality.

[0003] A search of Chinese patent publication number "CN218946399U" reveals a "bench drill". When the control unit of the bench drill moves, the transmission component transmits the motion to the operating unit, so that the operating unit can be driven by the lower control unit, making its operation simple and effectively improving work efficiency.

[0004] Based on the above search and existing technology findings, the aforementioned patent has certain defects: due to the extremely high requirements for the consistency and accuracy of drilling depth in the processing of aerospace parts, the device relies solely on manual operation to control the drilling depth and lacks a dedicated depth limiting mechanism. In batch processing or long-term operation scenarios, factors such as human operation errors and fatigue can easily lead to drilling that is too deep or too shallow. This situation will not only damage the structural integrity of aerospace parts and affect the subsequent assembly accuracy, but also significantly increase the processing scrap rate and increase production costs, making it difficult to meet the stringent requirements for high-precision processing of aerospace parts. Utility Model Content

[0005] (a) Technical problems to be solved In view of the shortcomings of the existing technology, this utility model provides a drilling device suitable for aerospace parts, which solves the technical problem of the inconvenience of using the existing device.

[0006] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: A drilling device suitable for aerospace parts includes a bench drill, a drill box on the bench drill, a feed shank on the side wall of the drill box, a drill chuck at the lower end of the drill box, a twist drill inside the drill chuck, and a base on the bench drill.

[0007] Preferably, the drill chuck is provided with a first limiting structure, which can be adjusted according to the length of the twist drill; The first limiting structure includes a connecting handle, which is rotatably mounted on the circumferential surface of the drill chuck. A first threaded groove is formed through the inside of the connecting handle, and a first screw is threaded into the first threaded groove. A circular groove is formed inside the first screw. A limiting post is fixedly mounted on the side wall of the drill box, and the limiting post is slidably mounted with the circular groove. A tapered head is fixedly mounted on the lower end of the first screw. During use, when the operator operates the feed handle to control the twist drill on the drill chuck to move up and down in the drill box to complete the hole positioning, the movement of the drill box drives the first screw and the tapered head on the connecting handle to move down synchronously through the sliding cooperation between the limiting post and the circular groove. When the end of the twist drill contacts the drilling area of ​​the workpiece, the corresponding position of the tapered head on the scale is recorded. Then the feed handle is reset, and the first screw is screwed along the first threaded groove. At the same time, it is observed whether the tapered head is aligned with the scale, so as to realize the adaptation adjustment according to the length of the twist drill.

[0008] Preferably, the base sidewall is provided with a second limiting structure, which can limit the drilling depth required for the workpiece and cooperate with the first limiting structure to limit the twist drill. The second limiting structure includes a U-shaped block, which is threaded onto the side wall of the base. A scale is fixedly installed on the upper end of the U-shaped block. A second threaded groove is formed through the interior of the U-shaped block, and a double-ended screw is threaded into the second threaded groove. The double-ended screw is parallel to the conical head, and the conical head and the double-ended screw are adapted to the scale. After the first limiting structure is adjusted, the double-ended screw is rotated upward to move along the second threaded groove until there is no gap between it and the contact surface of the conical head. Then, according to the drilling depth parameters, the double-ended screw is rotated downward to complete the depth limit adjustment. During operation, when the twist drill reaches the preset depth limit, the conical head will abut against the upper surface of the double-ended screw. Through cooperation with the first limiting structure, the drilling stroke is accurately limited, effectively avoiding the problems of excessively deep drilling or insufficient drilling depth.

[0009] (III) Beneficial Effects Firstly, by setting a first limiting structure, when the operator operates the feed shank to control the twist drill on the drill chuck to move up and down in the drill box to complete the hole positioning, the movement of the drill box can drive the first screw and the tapered head on the connecting shank to move down synchronously through the sliding cooperation of the limiting post and the circular groove. When the end of the twist drill contacts the drilling area of ​​the workpiece, the corresponding position of the tapered head on the scale is recorded. After resetting the feed shank, the first screw is screwed along the first thread groove and the alignment of the tapered head with the scale is observed. This allows for precise adaptation and adjustment according to the actual length of the twist drill, avoiding the offset of the limiting reference due to the difference in the length of the twist drill, and improving applicability.

[0010] Secondly, by setting a second limiting structure, after the first limiting structure is adjusted, the double-ended screw is rotated upwards to move along the second threaded groove until there is no gap between it and the contact surface of the tapered head. Then, according to the required drilling depth parameters of the workpiece, the double-ended screw is rotated downwards to complete the depth limit adjustment. During the operation, when the twist drill reaches the preset depth limit, the tapered head will abut against the upper surface of the double-ended screw, thereby achieving precise limiting according to the actual drilling depth requirements of the workpiece. In conjunction with the first limiting structure, it can effectively avoid the problems of excessively deep drilling or insufficient drilling depth that occur during manual operation, ensuring the consistency and accuracy of drilling depth for aerospace parts, reducing the scrap rate, and improving product processing quality and production efficiency. Attached Figure Description

[0011] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a partial assembly structure diagram of the present invention; Figure 3 This is a structural diagram of the connecting handle assembly of this utility model; Figure 4 This is a structural diagram of the U-shaped block assembly of this utility model.

[0013] Legend: 11. Bench drill; 12. Drill box; 13. Feed shank; 14. Drill chuck; 15. Twist drill; 16. Connecting shank; 17. First threaded groove; 18. First screw; 19. Circular groove; 21. Limiting post; 22. Conical head; 23. U-block; 24. Scale; 25. Second threaded groove; 26. Double-ended screw; 27. Base. Detailed Implementation

[0014] This application provides a drilling device suitable for aerospace parts, effectively solving the technical problem of inconvenience in the use of existing devices. By setting a first limiting structure, when the operator operates the feed handle to control the twist drill on the drill chuck to move up and down the drill box to complete the hole positioning, the movement of the drill box can drive the first screw on the connecting handle and the tapered head to move down synchronously through the sliding cooperation of the limiting post and the circular groove. When the end of the twist drill contacts the drilling area of ​​the workpiece, the corresponding position of the tapered head on the scale is recorded. After resetting the feed handle, the first screw is screwed along the first thread groove and the alignment of the tapered head with the scale is observed. Thus, precise adaptation and adjustment according to the actual length of the twist drill can be achieved, avoiding the limiting base from being affected by the length difference of the twist drill. The design improves applicability by precisely offsetting the workpiece. By setting a second limiting structure, after the first limiting structure is adjusted, the double-ended screw is rotated upwards to move along the second threaded groove until there is no gap between it and the conical head's contact surface. Then, according to the required drilling depth parameters of the workpiece, the double-ended screw is rotated downwards to complete the depth limit adjustment. During operation, when the twist drill reaches the preset depth limit, the conical head will contact the upper surface of the double-ended screw, thus achieving precise limiting according to the actual drilling depth requirements of the workpiece. In conjunction with the first limiting structure, it effectively avoids problems of excessively deep drilling or insufficient drilling depth during manual operation, ensuring the consistency and accuracy of drilling depth for aerospace parts, reducing processing scrap rates, and improving product processing quality and production efficiency.

[0015] Example like Figure 1 - Figure 4 As shown, the technical solution in this application embodiment effectively solves the technical problem of inconvenience in using existing devices. The overall idea is as follows: To address the problems existing in the prior art, this utility model provides a drilling device suitable for aerospace parts, including a bench drill 11, a drill box 12 on the bench drill 11, a feed shank 13 on the side wall of the drill box 12, a drill chuck 14 at the lower end of the drill box 12, a twist drill 15 inside the drill chuck 14, and a base 27 on the bench drill 11.

[0016] The drill chuck 14 is provided with a first limiting structure, which can be adjusted according to the length of the twist drill 15. The first limiting structure includes a connecting shank 16, which is rotatably mounted on the circumferential surface of the drill chuck 14. A first threaded groove 17 is opened through the inside of the connecting shank 16. A first screw 18 is threaded inside the first threaded groove 17. A circular groove 19 is opened inside the first screw 18. A limiting post 21 is fixedly installed on the side wall of the drill box 12. The limiting post 21 is slidably installed with the circular groove 19. A tapered head 22 is fixedly installed at the lower end of the first screw 18. By setting a first limiting structure, when the operator operates the feed handle 13 to control the twist drill 15 on the drill chuck 14 to move up and down the drill box 12 to complete the hole positioning, the movement of the drill box 12 can drive the first screw 18 and the tapered head 22 on the connecting handle 16 to move down synchronously through the sliding cooperation of the limiting post 21 and the circular groove 19. When the end of the twist drill 15 contacts the drilling area of ​​the workpiece, the corresponding position of the tapered head 22 on the scale 24 is recorded. After resetting the feed handle 13, the first screw 18 is screwed along the first thread groove 17 and the alignment of the tapered head 22 with the scale 24 is observed. In this way, precise adaptation and adjustment can be achieved according to the actual length of the twist drill 15, avoiding the deviation of the limiting reference due to the length difference of the twist drill 15, and improving applicability.

[0017] The base 27 has a second limiting structure on its side wall. The second limiting structure can limit the drilling depth required for the workpiece and, together with the first limiting structure, limit the twist drill 15. The second limiting structure includes a U-shaped block 23, which is threaded onto the side wall of the base 27. A scale 24 is fixedly installed on the upper end of the U-shaped block 23. A second threaded groove 25 is opened through the U-shaped block 23. A double-ended screw 26 is threaded into the second threaded groove 25. The double-ended screw 26 is parallel to the conical head 22. The conical head 22 and the double-ended screw 26 are compatible with the scale 24. By setting a second limiting structure, after the first limiting structure is adjusted, the double-ended screw 26 is rotated upwards to move along the second threaded groove 25 until there is no gap between it and the contact surface of the tapered head 22. Then, according to the required drilling depth parameters of the workpiece, the double-ended screw 26 is rotated downwards to complete the depth limit adjustment. During the operation, when the twist drill 15 reaches the preset depth limit, the tapered head 22 will abut against the upper surface of the double-ended screw 26, thereby achieving precise limiting according to the actual drilling depth requirements of the workpiece. In conjunction with the first limiting structure, the problem of excessively deep drilling or insufficient drilling depth that occurs during manual operation can be effectively avoided, ensuring the consistency and accuracy of drilling depth of aerospace parts, reducing the scrap rate, and improving product processing quality and production efficiency.

[0018] Working principle: In use, the operator first calibrates the fixture installation position according to the positioning holes on the base 27, and then fixes the fixture by tightening the bolts. Next, by operating the feed handle 13, the operator controls the twist drill 15 on the drill chuck 14 to move up and down the drill box 12 to complete the hole positioning. At this time, the movement of the drill box 12 will drive the first screw 18 on the connecting handle 16 and the tapered head 22 to move down synchronously. When the end of the twist drill 15 contacts the drilling area of ​​the workpiece, the corresponding position of the tapered head 22 on the scale 24 is recorded. Then, the feed handle 13 is reset, and... Tighten the first screw 18 along the first threaded groove 17, while observing whether the conical head 22 and the scale 24 are aligned. Then, turn the double-ended screw 26 upward until there is no gap between it and the contact surface of the conical head 22. Then, turn the double-ended screw 26 downward again according to the drilling depth parameters to complete the depth limit adjustment. During the operation, when the twist drill 15 reaches the preset depth limit, the conical head 22 will contact the upper surface of the double-ended screw 26, thereby limiting the drilling stroke and effectively avoiding the problems of excessively deep drilling or insufficient drilling depth.

[0019] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A drilling device for aerospace parts, comprising a bench drill (11), wherein the bench drill (11) is provided with a drill box (12), a feed shank (13) is provided on the side wall of the drill box (12), a drill chuck (14) is provided at the lower end of the drill box (12), a twist drill (15) is provided inside the drill chuck (14), and a base (27) is provided on the bench drill (11), characterized in that: The drill chuck (14) is provided with a first limiting structure, which can be adjusted according to the length of the twist drill (15); The base (27) has a second limiting structure on its side wall. The second limiting structure can limit the depth of the workpiece to be drilled, and cooperate with the first limiting structure to limit the twist drill (15).

2. The drilling device for aerospace parts as described in claim 1, characterized in that, The first limiting structure includes a connecting handle (16), which is rotatably mounted on the circumferential surface of the drill chuck (14); The connecting handle (16) has a first threaded groove (17) extending through its interior.

3. A drilling device suitable for aerospace parts as described in claim 2, characterized in that, The first screw (18) is installed inside the first threaded groove (17), and the first screw (18) has a circular groove (19) inside. Among them, a limit post (21) is fixedly installed on the side wall of the drill box (12).

4. A drilling device suitable for aerospace parts as described in claim 3, characterized in that, The limiting post (21) is slidably installed with the circular groove (19); The first screw (18) has a tapered head (22) fixedly installed at its lower end.

5. A drilling device for aerospace parts as described in any one of claims 1-4, characterized in that, The second limiting structure includes a U-shaped block (23), which is threaded onto the side wall of the base (27); A scale (24) is fixedly installed on the upper end of the U-shaped block (23).

6. A drilling device for aerospace parts as described in claim 5, characterized in that, The U-shaped block (23) has a second threaded groove (25) running through its interior; The second threaded groove (25) has a double-ended screw (26) installed inside.

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