Drilling machine for pin piece

By designing a drilling machine containing a V-shaped placement seat and a lifting cylinder, combining the positioning component and a spring mechanism, the problem of poor adaptability of pin shafts of different diameters in the prior art is solved, stable positioning and automatic separation are achieved, and the adaptability and convenience of the drilling machine are improved.

CN222660211UActive Publication Date: 2025-03-25QINGDAO MINGRUN MASCH CO LTD

Patent Information

Application Number
CN202421412974.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-03-25
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

Existing drilling machines for pin parts have poor adaptability to pin shafts of different diameters in fixed-size fixtures, resulting in increased costs and difficulty in adapting.

Method used

A drilling machine including a base, a V-shaped structure, and a lifting cylinder is designed. The stable positioning and automatic locking of the pins are achieved through positioning components and spring mechanisms, adapting to pins of different diameters, and automatic separation of the pins is achieved through pushing cylinders and pushing blocks.

Benefits of technology

The stable positioning and drilling of pin shafts of different diameters is achieved, which simplifies the positioning method of pin shafts and improves the convenience and adaptability of the drilling machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drilling machine for a pin piece, which comprises a base, the top of the base is fixedly connected with a placing seat I and a placing seat II, and the placing seat I and the placing seat II are both of a V-shaped structure. According to the device, the head of the pin shaft is located on one side of the first placing base, the position needing to be drilled is in lap joint with the second placing base, then a lifting cylinder drives a transverse plate to move downwards, the transverse plate is in linkage with a top barrel and a rotating piece, a positioning plate firstly makes contact with the outer surface wall of the pin shaft, and a rubber pad guarantees contact stability; a vertical rod drives a sliding block to slide along the inner surface wall of a top cylinder and compress a spring until a drill bit completes drilling of the pin shaft, a positioning plate guarantees stability of the pin shaft in the process, the positioning plate can automatically release locking of the pin shaft along with ascending reset of a transverse plate subsequently, the pin shaft positioning mode is simpler, and meanwhile the pin shaft drilling efficiency is improved. And the placing seat I and the placing seat II of the V-shaped structure can adapt to pin shafts with different diameters.
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Description

Technical Field

[0001] The utility model relates to the technical field of pin shaft processing, in particular to a drilling machine used for pins. Background Art

[0002] Pins are a type of standardized fasteners that can be used for static fixed connections or for relative movement with the connected parts. They are mainly used at the hinges of two parts to form hinge connections. The pin shaft is usually locked with a cotter pin, which is reliable in operation and easy to disassemble.

[0003] Chinese patent publication number CN218611788U, publication time 20230314, discloses a punching device for pin shaft processing, including an equipment frame, a punching mechanism is installed on the upper end of the equipment frame, a mounting groove is provided at the lower end of the equipment frame, and two clamps are installed in the mounting groove for transverse movement, a power component is installed in the equipment frame to drive the two clamps to move closer to or away from each other, the two clamps are arranged in a circular array in the mounting groove, and the sides of the middle ends of the two clamps close to each other are provided with arc surfaces, and the lower sides of the two clamps are arranged with partition plates in a linear array.

[0004] The existing drilling machines for pins mentioned above utilize an outer roller to press the pin downward to align the pin and fix the upper and lower positions, and then drilling can be performed. After processing, the partition plates are separated and no longer support the pin, and the pin automatically falls. In the specific implementation process, the pin is clamped by more structures, which will increase the cost of the drilling machine on the one hand, and the fixed-size fixture has poor adaptability to pins of different diameters on the other hand. Therefore, it is urgent to propose a corresponding drilling machine for pins to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems and to provide a drilling machine for pins.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A drilling machine for pins comprises a base, a first placement seat and a second placement seat are fixedly connected to the top of the base, and the first placement seat and the second placement seat are both V-shaped structures, a lifting cylinder is fixedly connected to the top of the base through a bracket, a cross plate is fixedly connected to the output end of the lifting cylinder, a top cylinder and a rotating part are fixedly connected to the outer wall of the cross plate, a drill bit is fixedly connected to the output end of the rotating part, and a positioning component for positioning the pin shaft is arranged at the bottom of the top cylinder.

[0008] Preferably, a push cylinder is fixedly connected to one side of the base close to the second placement seat, and a push block is fixedly connected to the output end of the push cylinder.

[0009] Preferably, the outer wall of the push cylinder is fixedly connected with a side frame, and the horizontal end of the side frame is fixedly connected to the bottom of the base through a locking rod.

[0010] Preferably, a material guide plate arranged obliquely is fixedly connected to one side of the base close to the first placement seat, and a through hole is provided between the second placement seat and the base.

[0011] Preferably, the positioning assembly includes a vertical rod slidably connected to the inner wall of the bottom of the top tube, a slider and a positioning plate are fixedly connected on both sides of the vertical end of the vertical rod, the outer wall of the slider is slidably connected to the inner wall of the top tube, and a spring is fixedly connected between the top of the slider and the inner wall of the top tube.

[0012] Preferably, the cross section of the slider is a rectangular structure, and a rubber pad is fixedly connected to the bottom of the positioning plate.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. In the present application, the pin is placed on the placement seat 1 and the placement seat 2, the pin head is located on one side of the placement seat 1, and the position where the hole needs to be drilled is overlapped on the placement seat 2, and then the lifting cylinder drives the horizontal plate to move downward, and the horizontal plate links the top cylinder and the rotating part, the positioning plate first contacts the outer wall of the pin, and the rubber pad ensures the stability of the contact, as the horizontal plate continues to move downward, the vertical rod drives the slider to slide along the inner wall of the top cylinder and compress the spring until the drill bit completes the drilling of the pin, the positioning plate ensures the stability of the pin in this process, and as the horizontal plate rises and resets later, the positioning plate will automatically release the lock on the pin, which makes the pin positioning method simpler, and the V-shaped structure of the placement seat 1 and the placement seat 2 can adapt to pins of different diameters.

[0015] 2. In the present application, the side frame can be installed on the side of the base close to the second placement seat. After the pin shaft is drilled, the push cylinder will push the push block, and the push block will push the pin shaft flat, so that the pin shaft will automatically separate the first placement seat and the second placement seat, thereby further improving the convenience of using the drilling machine for pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0017] Figure 2 A schematic diagram of a side frame structure provided according to an embodiment of the utility model is shown;

[0018] Figure 3 A schematic diagram of the structure of the horizontal plate provided according to an embodiment of the utility model is shown;

[0019] Figure 4A schematic diagram of a spring structure provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Base; 2. Placement seat 1; 3. Placement seat 2; 4. Guide plate; 5. Side frame; 6. Push cylinder; 7. Bracket; 8. Lifting cylinder; 9. Horizontal plate; 10. Positioning plate; 11. Rubber pad; 12. Top cylinder; 13. Rotating part; 14. Drill bit; 15. Perforation; 16. Locking rod; 17. Push block; 18. Vertical rod; 19. Spring; 20. Slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A drilling machine for pins, comprising a base 1, a placing seat 1 2 and a placing seat 2 3 are fixedly connected to the top of the base 1, and the placing seat 1 2 and the placing seat 2 3 are both V-shaped structures, a lifting cylinder 8 is fixedly connected to the top of the base 1 through a bracket 7, a horizontal plate 9 is fixedly connected to the output end of the lifting cylinder 8, a top cylinder 12 and a rotating member 13 are fixedly connected to the outer wall of the horizontal plate 9, a drill bit 14 is fixedly connected to the output end of the rotating member 13, and a positioning component for positioning the pin shaft is arranged at the bottom of the top cylinder 12;

[0025] Place the pin on the placement seat 1 2 and the placement seat 2 3, the pin head is located on one side of the placement seat 1 2, and the position where the hole needs to be drilled is overlapped on the placement seat 2 3, then the lifting cylinder 8 drives the horizontal plate 9 to move downward, the horizontal plate 9 links the top tube 8 and the rotating part 13, the positioning plate 10 first contacts the outer wall of the pin, and the rubber pad 11 ensures the stability of the contact, as the horizontal plate 9 continues to move downward, the vertical rod 18 drives the slider 20 to slide along the inner wall of the top tube 12 and compresses the spring 19 until the drill bit 14 completes the drilling of the pin, the positioning plate 10 ensures the stability of the pin in this process, and as the horizontal plate 9 rises and resets later, the positioning plate 10 will automatically release the lock on the pin, which makes the pin positioning method simpler, and the V-shaped structure of the placement seat 1 2 and the placement seat 2 3 can adapt to pins of different diameters.

[0026] Specifically, Figure 2 and Figure 4As shown, a push cylinder 6 is fixedly connected to one side of the base 1 close to the placement seat 2 3, a push block 17 is fixedly connected to the output end of the push cylinder 6, a side frame 5 is fixedly connected to the outer wall of the push cylinder 6, and the horizontal end of the side frame 5 is fixedly connected to the bottom of the base 1 through a locking rod 16. The side frame 5 can be optionally installed on the side of the base 1 close to the placement seat 2 3. After the pin shaft is drilled, the push cylinder 6 will push the push block 17, and the push block 17 will flatten the pin shaft, so that the pin shaft automatically separates the placement seat 1 2 and the placement seat 2 3, thereby further improving the convenience of using the drilling machine for pins.

[0027] Specifically, Figure 2 and Figure 3 As shown, a guide plate 4 arranged obliquely is fixedly connected to one side of the base 1 close to the placement seat 1 2, which is used to assist the automatic unloading of the pin shaft. A through hole 15 is provided between the placement seat 2 3 and the base 1, so as to affect the placement of the pin shaft while conforming to the drilling rule of the drill bit 14. The positioning assembly includes a vertical rod 18 slidably connected to the inner surface wall of the bottom of the top cylinder 12, and a slider 20 and a positioning plate 10 are fixedly connected to both sides of the vertical end of the vertical rod 18, respectively. The outer wall of the slider 20 is slidably connected to the inner surface wall of the top cylinder 12, and the top of the slider 20 is fixed to the inner surface wall of the top cylinder 12. A spring 19 is connected, and the lifting cylinder 8 drives the horizontal plate 9 to move downward. The horizontal plate 9 links the top tube 8 and the rotating part 13. The positioning plate 10 first contacts the outer wall of the pin shaft. As the horizontal plate 9 continues to move downward, the vertical rod 18 drives the slider 20 to slide along the inner wall of the top tube 12 and compresses the spring 19 until the drill bit 14 completes the drilling of the pin shaft. The positioning plate 10 ensures the stability of the pin shaft during this process. The cross-section of the slider 20 is a rectangular structure, which can limit the axial deflection of the positioning plate 10. A rubber pad 11 is fixedly connected to the bottom of the positioning plate 10 to ensure the stability of the contact.

[0028] Working principle: Place the pin on the placement seat 1 2 and the placement seat 2 3, the pin head is located on one side of the placement seat 1 2, and the position where the hole needs to be drilled is overlapped on the placement seat 2 3, then the lifting cylinder 8 drives the horizontal plate 9 to move downward, the horizontal plate 9 links the top cylinder 8 and the rotating part 13, the positioning plate 10 first contacts the outer wall of the pin, and the rubber pad 11 ensures the stability of the contact, as the horizontal plate 9 continues to move downward, the vertical rod 18 drives the slider 20 to slide along the inner wall of the top cylinder 12 and compress the spring 19 until the drill bit 14 completes the drilling of the pin, and the positioning plate 10 is in this process The stability of the pin shaft is guaranteed, and as the horizontal plate 9 rises and resets later, the positioning plate 10 will automatically release the lock on the pin shaft, which makes the pin shaft positioning method simpler. The V-shaped placement seat 1 2 and the placement seat 2 3 can adapt to pin shafts of different diameters. The side frame 5 can be installed on the side of the base 1 close to the placement seat 2 3. After the pin shaft is drilled, the push cylinder 6 will push the push block 17, and the push block 17 will push the pin shaft flat, so that the pin shaft automatically separates the placement seat 1 2 and the placement seat 2 3, thereby further improving the convenience of using the drilling machine for pins.

[0029] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drilling machine for pins, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a placement seat 1 (2) and a placement seat 2 (3), and the placement seat 1 (2) and the placement seat 2 (3) are both V-shaped structures. The top of the base (1) is fixedly connected with a lifting cylinder (8) through a bracket (7), and the output end of the lifting cylinder (8) is fixedly connected with a horizontal plate (9), and the outer wall of the horizontal plate (9) is fixedly connected with a top tube (12) and a rotating member (13), and the output end of the rotating member (13) is fixedly connected with a drill bit (14), and a positioning component for pin positioning is arranged at the bottom of the top tube (12).

2. A drilling machine for pins according to claim 1, characterized in that: A push cylinder (6) is fixedly connected to one side of the base (1) close to the second placement seat (3), and a push block (17) is fixedly connected to the output end of the push cylinder (6).

3. A drilling machine for pins according to claim 2, characterized in that: The outer wall of the push cylinder (6) is fixedly connected to a side frame (5), and the horizontal end of the side frame (5) is fixedly connected to the bottom of the base (1) via a locking rod (16).

4. A drilling machine for pins according to claim 3, characterized in that: A material guide plate (4) arranged obliquely is fixedly connected to one side of the base (1) close to the placement seat 1 (2), and a through hole (15) is provided between the placement seat 2 (3) and the base (1).

5. A drilling machine for pins according to claim 4, characterized in that: The positioning assembly comprises a vertical rod (18) slidably connected to the inner surface wall of the bottom of the top tube (12); a slider (20) and a positioning plate (10) are fixedly connected to both sides of the vertical end of the vertical rod (18); the outer surface wall of the slider (20) is slidably connected to the inner surface wall of the top tube (12); and a spring (19) is fixedly connected between the top of the slider (20) and the inner surface wall of the top of the top tube (12).

6. A drilling machine for pins according to claim 5, characterized in that: The cross section of the sliding block (20) is a rectangular structure, and a rubber pad (11) is fixedly connected to the bottom of the positioning plate (10).

Citation Information

Patent Citations

  • Punching equipment for pin shaft machining

    CN218611788U

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