High-precision device for punching eccentric hole

Abstract

The utility model relates to the technical field of punching devices, in particular to a high-precision device for punching eccentric holes, which is characterized in that a top cover is arranged at the top of the device, an upper cover is arranged below the top cover, a base is arranged below the upper cover, a drill bushing is arranged in the upper cover, and a micrometer is arranged beside a hole on one side of the upper cover. According to the utility model, a bushing to be processed is placed in the base and is matched with a micrometer to carry out accurate distance adjustment, and then drilling equipment is directly used for drilling, so that the operation steps are simple and convenient, the process steps are uniform, the error rate is low, and rapid batch operation can be realized; and the production efficiency is improved while the quality is ensured.

Description

Technical Field

[0001] This utility model relates to the field of drilling device technology, specifically a high-precision device for drilling eccentric holes. Background Technology

[0002] The eccentric hole bushing is installed on the canopy connecting lock of the fighter aircraft canopy and is used to adjust the gap of the canopy connecting lock. Therefore, in order to adapt to the use of different canopy connecting locks, the original hole position of the eccentric hole of the bushing needs to be adjusted so as to meet the technical requirements of different canopy connecting locks.

[0003] The existing processing method usually involves inserting the bushing into the housing, then placing it on a milling machine to measure and find the center point of the hole. Then, according to the required eccentricity distance, the milling machine needs to be moved again to process the hole. This requires moving the milling machine back and forth multiple times and making corresponding adjustments. The process is relatively complex, with a high error rate and cumbersome operation steps, which restricts the processing efficiency, production quantity and quality.

[0004] In view of the above problems, this utility model designs a high-precision device for drilling eccentric holes. The device only requires placing the bushing to be processed into the base, making precise distance adjustments with a micrometer, and then directly using a drilling device to drill the hole. The operation steps are simple, the process steps are uniform, the error rate is low, and it can be used for rapid batch operation, which ensures quality and improves production efficiency. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a high-precision device for drilling eccentric holes. The device only requires placing the bushing to be processed into the base, making precise distance adjustments with a micrometer, and then directly using a drilling machine to drill the hole. The operation steps are simple, the process steps are uniform, the error rate is low, and it can be used for rapid batch operation, which ensures quality and improves production efficiency.

[0006] To achieve the above objectives, this utility model provides a high-precision device for drilling eccentric holes. The top of the device is a top cover, the bottom of the top cover is an upper cover, and the bottom of the upper cover is a base. A drill sleeve is installed inside the upper cover, and a micrometer is installed next to the opening on one side of the upper cover. The centers of the top cover, the upper cover, and the base are on the same vertical axis.

[0007] The top cover has screw holes around its perimeter that correspond one-to-one with the screw holes around the top of the top cover.

[0008] Support lugs are provided on both sides of the upper part of the drill bushing.

[0009] The support ears on both sides of the upper part of the drill bushing are set on the grooves on both sides of the upper part of the cover. A circular opening is formed in the middle of the groove and extends through to the interior of the cover.

[0010] The width of the groove is consistent with the width of the supporting ears on both sides of the upper part of the drill sleeve.

[0011] The main body of the drill sleeve is a cylinder, and the outer diameter and height are smaller than the inner diameter and depth of the circular opening formed in the middle of the groove above the upper cover.

[0012] The outer diameter of the base is consistent with the inner diameter of the opening at the bottom of the upper cover.

[0013] The inner diameter of the opening inside the base is consistent with the outer diameter of the bushing.

[0014] The opening at the bottom of the base and the upper cover is connected by threads.

[0015] The diameter of the top rod of the micrometer is smaller than the hole diameter of the opening on one side of the upper cover.

[0016] Compared with the prior art, the bushing to be processed is fixed in a special device, the center point of the installation position of the bushing is on the same axis as the top cover, the upper cover, the drill sleeve and the base, the fixation of the center point is ensured, the offset of the drill sleeve is accurately adjusted by the micrometer, and the drill sleeve is also fixed in the upward and downward directions and cannot be offset, so that the accurate distance of the eccentric hole on the bushing relative to the center hole is realized, and then the external drilling machine is used for accurate drilling, when continuous processing is needed, the bushing is only taken out and then placed into the bushing to be processed, so that adjustment and eccentric hole drilling can be immediately performed, compared with the prior art, the operation steps are simple and fast, the position control is accurate, the drilling efficiency is high, the defects of manual movement and adjustment are avoided, and the drilling quality and processing efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a general assembly schematic diagram of the utility model.

[0018] Figure 2 It is a base schematic diagram of the utility model.

[0019] Figure 3 It is a top cover schematic diagram of the utility model.

[0020] Figure 4 It is an upper cover schematic diagram of the utility model.

[0021] Figure 5 It is a drill sleeve schematic diagram of the utility model.

[0022] 1 is a top cover, 2 is a drill sleeve, 3 is an upper cover, 4 is a base, 5 is a micrometer, and 6 is a bushing. DETAILED DESCRIPTION

[0023] The utility model will be further described in combination with the drawings.

[0024] Referring toFigures 1-5 The utility model provides a high accuracy device for eccentric hole punching, the top of device is top 1, the below of top 1 is upper cover 3, the below of upper cover 3 is base 4, the inside of upper cover 3 is provided with drill bushing 2, and the side hole of upper cover 3 is provided with micrometer 5, and the center of top 1, upper cover 3 and base 4 is on same vertical axis.

[0025] The periphery on top 1 is provided with screw hole corresponding to the screw hole position of the periphery of the top of upper cover 3.

[0026] The both sides of the upper portion of drill bushing 2 are provided with support ears.

[0027] The support ears of the both sides of the upper portion of drill bushing 2 are arranged on the recess of the both sides of the upper portion of upper cover 3, and the middle of the recess forms a circular hole and penetrates to the inside of upper cover 3.

[0028] The width of the recess is consistent with the width of the support ear of the both sides of the upper portion of drill bushing 2.

[0029] The main body of drill bushing 2 is a cylinder, and the outer diameter and height are less than the inner diameter and depth of the circular hole formed in the middle of the recess above upper cover 3 respectively.

[0030] The outer diameter of base 4 is consistent with the inner diameter of the hole of the bottom of upper cover 3.

[0031] The inner diameter of the hole in the inside of base 4 is consistent with the outer diameter of bushing 6.

[0032] The hole of the bottom of base 4 and upper cover 3 is connected through screw thread.

[0033] The diameter of the top rod of micrometer 5 is less than the hole diameter of the side hole of upper cover 3.

[0034] Working principle:

[0035] The utility model in usage need not too much debugging, first, drill bushing 2 is placed in upper cover 3, and the support ear of the both sides of drill bushing 2 is placed on the recess of the both sides above upper cover 3, because the width of support ear and recess is consistent, so it plays the fixation in the up-down direction, only makes drill bushing 2 move along the left-right direction of recess to facilitate the fine adjustment of subsequent micrometer 5, then top 1 and upper cover 3 are connected through the screw hole corresponding to it through screw, then the bushing 6 needed to be processed is placed in base 4, and finally upper cover 3 and base 4 are connected through the way of screw thread. Subsequently, the top rod of micrometer 5 passes through the side hole of upper cover 3, and the top rod is pressed against drill bushing 2, so that drill bushing 2 moves in the left-right direction, thereby adjusting the position of the hole in the inside of drill bushing 2 on the bushing 6 to be processed, at this time, the eccentric hole on the bushing 6 can be punched through the hole of top 1 of the drilling machine.

[0036] The above are merely preferred embodiments of this utility model, intended only to aid in understanding the method and core concept of this application. The scope of protection of this utility model is not limited to the above embodiments; all technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the scope of protection of this utility model.

[0037] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] This invention solves the problems of low efficiency and unstable processing caused by the cumbersome operation steps in drilling eccentric holes in bushings during machining in the existing technology. By designing a device, it can quickly find the center point of the bushing, accurately measure the eccentric distance, and quickly and stably drill holes. It can also ensure drilling quality while meeting the requirements of continuous and efficient processing, and greatly improve the efficiency of adjusting the position of the eccentric hole, thereby meeting the technical requirements of different cockpit canopy connection locks.

Claims

1. A high precision device for off-center hole punching, characterized in that, The top of the device is a top cover (1), below the top cover (1) is an upper cover (3), below the upper cover (3) is a base (4), the inside of the upper cover (3) is provided with a drill sleeve (2), the side of the upper cover (3) is provided with a micrometer (5) beside the hole, the center of the top cover (1), the upper cover (3) and the base (4) is on the same vertical axis.

2. The high precision device for off-center hole punching according to claim 1, characterized in that, The top cover (1) is provided with screw holes around the top cover (1), which are one-to-one corresponding to the screw holes around the top of the upper cover (3).

3. The high precision device for off-center hole punching of claim 1, wherein, The upper part of the drill sleeve (2) is provided with support ears on both sides.

4. The high precision device for off-center hole punching according to claim 3, wherein, The support ears on both sides of the upper part of the drill sleeve (2) are arranged on the grooves on both sides of the upper part of the upper cover (3), and the middle of the grooves is formed with a circular hole and penetrates into the inside of the upper cover (3).

5. The high precision device for off-center hole punching according to claim 4, characterized in that, The width of the groove is consistent with the width of the support ears on both sides of the upper part of the drill sleeve (2).

6. The high precision device for off-center hole punching according to claim 4, wherein, The main body of the drill sleeve (2) is a cylinder, and the outer diameter and height are respectively smaller than the inner diameter and depth of the circular hole formed in the middle of the groove above the upper cover (3).

7. The high precision device for off-center hole punching of claim 1, wherein, The outer diameter of the base (4) is consistent with the inner diameter of the hole in the bottom of the upper cover (3).

8. The high precision device for off-center hole punching according to claim 7, characterized in that, The inner diameter of the hole in the inside of the base (4) is consistent with the outer diameter of the bushing (6).

9. The high precision device for off-center hole punching according to claim 7, wherein, The hole in the bottom of the upper cover (3) and the base (4) are connected by threads.

10. The high precision device for off-center hole punching of claim 1, wherein, The top rod diameter of the micrometer (5) is smaller than the hole diameter of the side hole of the upper cover (3).

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