Automatic groove milling device for shaft parts

By designing a snap-fit ​​and spring structure in the automatic milling device for shaft parts, the problem of cumbersome installation and removal of the milling cutter head is solved, enabling quick replacement and stable installation of the milling cutter head, thereby improving processing efficiency and ease of operation.

CN224143591UActive Publication Date: 2026-04-21DALIAN KAKUSHO METAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DALIAN KAKUSHO METAL CO LTD
Filing Date
2025-05-26
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In existing automatic milling devices for shaft parts, the process of installing and removing the milling cutter head is cumbersome, especially when there are many bolts or the bolts are in a hidden location. This makes the operation difficult, resulting in long installation and removal times and affecting processing efficiency.

Method used

An automatic milling device for shaft parts is adopted. By setting a combination structure of buckle and spring on the milling cutter head, the milling cutter head can be quickly disassembled and installed. The operation process is simplified by using the snap-fit ​​of the slot and buckle, combined with the design of sliding rod and energy storage spring.

Benefits of technology

It enables quick replacement of milling cutter heads, reduces downtime caused by tool changes, improves processing efficiency and ease of operation, and ensures the stable installation and removal of milling cutter heads.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shaft part machining, and discloses an automatic groove milling device for shaft parts, which comprises a working table, a supporting table is mounted at the top end of the working table, first moving components are mounted on two sides of the supporting table, and second moving components are mounted on opposite surfaces of the first moving components. A groove milling assembly is installed on the surface of the second moving assembly, a connecting block is fixedly connected to the bottom end of the groove milling assembly, a milling cutter head is installed at the bottom end of the connecting block, a mounting plate is fixedly connected to the top end of the milling cutter head, two clamping grooves are formed in the surface of the mounting plate, and a sliding-in groove is formed in the bottom end of the connecting block. According to the automatic groove milling device for the shaft parts, in the groove milling machining process of the shaft parts, different types or specifications of milling cutter heads may need to be replaced for different groove types or machining technologies, the shutdown time caused by cutter replacement can be shortened through the milling cutter heads capable of being rapidly assembled and disassembled, the device can enter the next machining procedure more rapidly, and the machining efficiency is improved. Therefore, the overall processing efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of shaft parts processing technology, and in particular to an automatic milling device for shaft parts. Background Technology

[0002] Shaft machining refers to the process of transforming raw materials such as round steel and steel pipes into shaft parts with specific dimensions, shapes, precision, and surface quality requirements through a series of machining processes. Automatic milling devices for shaft parts are key equipment used in shaft part machining for milling groove structures such as keyways. Among the many processes in shaft part machining, milling is an important step. Automatic milling devices can efficiently and accurately machine grooves of various shapes and sizes on shafts to meet the design requirements of the parts.

[0003] Some existing automatic milling devices for shaft parts use traditional bolt fastening to install the milling cutter head. This requires the use of wrenches and other tools to tighten or loosen multiple bolts one by one. This process is not only cumbersome, but also results in long installation and disassembly times when there are many bolts or the installation position is relatively hidden, as the operating space is limited. Summary of the Invention

[0004] The technical problem to be solved by this utility model is that the existing technology has the disadvantage that the milling cutter head is inconvenient to install and remove, resulting in a lot of time to operate. To this end, we propose an automatic milling device for shaft parts.

[0005] To achieve the above objectives, this application adopts the following technical solution: an automatic milling device for shaft parts, including a worktable, a support platform installed at the top of the worktable, first moving components installed on both sides of the support platform, a second moving component installed on the opposite side of the first moving components, a milling component installed on the surface of the second moving component, a connecting block fixedly connected to the bottom of the milling component, a milling cutter head installed at the bottom of the connecting block, a mounting plate fixedly connected to the top of the milling cutter head, two slots opened on the surface of the mounting plate, a sliding groove opened at the bottom of the connecting block, a slot opened inside the sliding groove, a fixing plate fixedly connected inside the slot, spring springs fixedly connected on both sides of the fixing plate, a buckle slidably connected inside the slot, the side of the spring spring near the buckle fixedly connected to the buckle, sliding grooves opened on both sides of the connecting block, a sliding rod slidably connected inside the sliding groove, and a push-pull plate fixedly connected to the side of the sliding rod away from the connecting block.

[0006] Preferably, an energy storage spring is sleeved on the surface of the sliding rod, and the two sides of the energy storage spring are fixedly connected to the connecting block and the push-pull plate, respectively.

[0007] Preferably, the front and rear ends of the sliding groove are provided with first sliding grooves, and the front and rear ends of the sliding rod are fixedly connected with first sliders, and the interior of the first sliding groove is slidably connected to the first sliders.

[0008] Preferably, a second sliding groove is provided at both the front and rear ends of the slot, and a second slider is fixedly connected to both the front and rear ends of the buckle, with the interior of the second sliding groove slidably connected to the second slider.

[0009] Preferably, T-shaped grooves are provided at both the front and rear ends of the sliding groove, and T-shaped blocks are fixedly connected to both the front and rear ends of the mounting plate, with the interior of the T-shaped groove and the T-shaped blocks slidably connected.

[0010] Preferably, the surface of the buckle has rounded corners, and two contact plates are installed at the bottom of the mounting plate.

[0011] Preferably, the milling cutter head is made of cemented carbide.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] In this invention, when the operator needs to replace the milling cutter head, the push-pull plate is pressed inward to drive the sliding rod to abut the buckle, causing the buckle to disengage from the slot. At this point, the milling cutter head can be disassembled and replaced. After completion, the slot is aligned with the buckle and snapped in. After snapping in, the elastic force stored in the spring is released, causing the buckle to be firmly engaged in the milling cutter head, achieving stable fixation after the milling cutter head is replaced. In the milling of shaft parts, different groove shapes or processing techniques may require the replacement of different types or specifications of milling cutter heads. The quick-installation and removal of milling cutter heads can reduce downtime caused by tool replacement, allowing the equipment to enter the next processing step more quickly, thereby improving the overall processing efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of the milling device of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the second moving component and the milling groove component of this utility model;

[0016] Figure 3 This is a schematic diagram of the milling assembly structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the connecting block and milling cutter head structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the milling cutter head structure of this utility model;

[0019] Figure 6 This is a cross-sectional schematic diagram of the milling cutter head mounting structure of this utility model;

[0020] Figure 7 This is a cross-sectional view of the internal structure of the connecting block of this utility model.

[0021] Legend: 1. Worktable; 2. Support platform; 3. First moving assembly; 4. Second moving assembly; 5. Milling assembly; 6. Connecting block; 7. Milling cutter head; 8. Mounting plate; 9. Slot; 10. Sliding groove; 11. Slotting; 12. Fixing plate; 13. Spring; 14. Buckle; 15. Sliding groove; 16. Sliding rod; 17. Push-pull plate; 18. Energy storage spring; 19. First sliding groove; 20. First slider; 21. Second sliding groove; 22. Second slider; 23. T-slot; 24. T-block; 25. Rounded corner; 26. Contact plate. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0023] Reference Figures 1-6 As shown, this utility model provides a technical solution: an automatic milling device for shaft parts, including a worktable 1, a support platform 2 installed at the top of the worktable 1, first moving components 3 installed on both sides of the support platform 2, a second moving component 4 installed on the opposite side of the first moving components 3, a milling component 5 installed on the surface of the second moving component 4, a connecting block 6 fixedly connected to the bottom of the milling component 5, a milling cutter head 7 installed at the bottom of the connecting block 6, a mounting plate 8 fixedly connected to the top of the milling cutter head 7, two slots 9 formed on the surface of the mounting plate 8, a sliding groove 10 formed at the bottom of the connecting block 6, a slot 11 formed inside the sliding groove 10, a fixing plate 12 fixedly connected inside the slot 11, spring springs 13 fixedly connected to both sides of the fixing plate 12, a buckle 14 slidably connected inside the slot 11, and the side of the spring spring 13 near the buckle 14 fixedly connected to the buckle 14. Both sides of the connecting block 6 are provided with sliding grooves 15. A sliding rod 16 is slidably connected inside the sliding groove 15. A push-pull plate 17 is fixedly connected to the side of the sliding rod 16 away from the connecting block 6. When the operator needs to replace the milling cutter head 7, the push-pull plate 17 is pressed inward to drive the sliding rod 16 to abut the buckle 14, so that the buckle 14 is disengaged from the slot 9. At this time, the milling cutter head 7 can be disassembled and replaced. After completion, the slot 9 is aligned with the buckle 14 and snapped in. After snapping in, the elastic force stored in the spring spring 13 is released, which drives the buckle 14 to be firmly snapped in the milling cutter head 7, achieving stable fixation of the milling cutter head 7 after replacement. In the milling of shaft parts, different groove types or processing processes may require the replacement of different types or specifications of milling cutter heads 7. The milling cutter head 7 that can be quickly installed and removed can reduce the downtime caused by tool replacement, allowing the equipment to enter the next processing step more quickly, thereby improving the overall processing efficiency.

[0024] Reference Figure 6As shown in this embodiment: an energy storage spring 18 is sleeved on the surface of the sliding rod 16. The two sides of the energy storage spring 18 are fixedly connected to the connecting block 6 and the push-pull plate 17, respectively. With the setting of the energy storage spring 18, when the push-pull plate 17 is pressed to move the sliding rod 16, the push-pull plate 17 is released. At this time, the elastic force stored in the energy storage spring 18 is released, which drives the sliding rod 16 to quickly return to the initial pressed position, thereby achieving the rapid reset of the sliding rod 16 after being pressed.

[0025] Reference Figure 7 As shown in this embodiment: the front end and the rear end of the sliding groove 15 are both provided with first sliding grooves 19, and the front end and the rear end of the sliding rod 16 are both fixedly connected with first sliders 20. The interior of the first sliding groove 19 is slidably connected with the first slider 20. Through the setting of the first sliding groove 19 and the first slider 20, the sliding rod 16 can form a stable limiting effect when sliding inside the sliding groove 15, so that the sliding rod 16 will not move excessively during the movement, effectively ensuring the stable installation and disassembly of the milling cutter head 7.

[0026] Reference Figure 7 As shown in this embodiment: the front and rear ends of the slot 11 are provided with second sliding grooves 21, and the front and rear ends of the buckle 14 are fixedly connected with second sliders 22. The interior of the second sliding groove 21 is slidably connected with the second slider 22. Through the setting of the second sliding groove 21 and the second slider 22, the buckle 14 can form a stable guiding effect when sliding inside the slot 11, so that the buckle 14 will not be deviated when it is engaged with the slot 9, effectively ensuring the stability of the milling cutter head 7 during installation.

[0027] Reference Figure 5 and Figure 6 As shown in this embodiment: T-slots 23 are provided at both the front and rear ends of the sliding groove 10, and T-blocks 24 are fixedly connected to both the front and rear ends of the mounting plate 8. The interior of the T-slot 23 is slidably connected to the T-blocks 24. Through the setting of the T-slots 23 and the T-blocks 24, a stable guiding effect can be formed when the mounting plate 8 slides into the sliding groove 10, so that the operator does not need to align the buckle 14 when installing the milling cutter head 7, which effectively improves the operating efficiency.

[0028] Reference Figure 5 and Figure 6 As shown in this embodiment: the surface of the buckle 14 is provided with a rounded corner 25, and two contact plates 26 are installed at the bottom of the mounting plate 8. By setting the rounded corner 25 and the contact plates 26, the buckle 14 and the slot 9 can have less friction when they are engaged, and it is not easy to shake or displace after engagement, thereby further improving the installation speed and installation stability of the milling cutter head 7.

[0029] Reference Figure 4As shown in this embodiment, the milling cutter head 7 is made of cemented carbide. By using a milling cutter head 7 made of cemented carbide, the milling cutter head 7 can have advantages such as high hardness, good wear resistance, and strong heat resistance. It can maintain good cutting performance under conditions such as high-speed cutting and dry cutting, and greatly improve processing efficiency and quality.

[0030] Working principle: When the operator needs to replace the milling cutter head 7, the push-pull plate 17 is pressed inward, causing the sliding rod 16 to abut against the buckle 14, thus disengaging the buckle 14 from the slot 9. At this point, the milling cutter head 7 can be disassembled and replaced. After replacement, the slot 9 is aligned with the buckle 14 and snapped in. Once snapped in, the spring force stored in the spring spring 13 is released, causing the buckle 14 to securely engage in the milling cutter head 7, achieving stable fixation after replacement. In milling grooves on shaft parts, different groove shapes or machining processes may require different types or specifications of milling cutter heads 7. The quick-release milling cutter head 7 reduces downtime caused by tool changes, allowing the equipment to proceed to the next processing step more quickly, thereby improving overall processing efficiency. Through the energy storage spring 18, when the push-pull plate 17 is pressed to move the sliding rod 16, releasing the push-pull plate 17 releases the stored elastic force in the energy storage spring 18, causing the sliding rod 16 to quickly return to its initial pressed position, thus achieving rapid reset of the sliding rod 16 after being pressed. The first groove 19 and the first slider 20 allow the sliding rod 16 to slide within the groove 15... The design creates a stable limiting effect, preventing excessive movement of the sliding rod 16 during movement and effectively ensuring the stable installation and removal of the milling cutter head 7. The second sliding groove 21 and the second slider 22 provide a stable guiding effect when the buckle 14 slides inside the slot 11, preventing offset when the buckle 14 engages with the slot 9 and effectively ensuring the stability of the milling cutter head 7 during installation. The T-slot 23 and the T-block 24 provide a stable guiding effect when the mounting plate 8 slides into the sliding groove 10, thereby ensuring stable installation and removal of the milling cutter head 7. When installing the milling cutter head 7, the operator no longer needs to align it with the clip 14, effectively improving operational efficiency. The rounded corner 25 and the contact plate 26 allow for less friction when the clip 14 engages with the slot 9, and prevent wobbling and displacement after engagement, thereby further improving the installation speed and stability of the milling cutter head 7. The milling cutter head 7, made of cemented carbide, has advantages such as high hardness, good wear resistance, and strong heat resistance, maintaining good cutting performance under high-speed cutting and dry cutting conditions, greatly improving processing efficiency and quality.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic groove milling device for shaft parts, comprising a worktable, characterized in that: A support platform is installed at the top of the worktable. First moving components are installed on both sides of the support platform. A second moving component is installed on the opposite side of the first moving components. A milling assembly is installed on the surface of the second moving component. A connecting block is fixedly connected to the bottom of the milling assembly. A milling cutter head is installed at the bottom of the connecting block. A mounting plate is fixedly connected to the top of the milling cutter head. Two slots are formed on the surface of the mounting plate. A sliding groove is formed at the bottom of the connecting block. A slot is formed inside the sliding groove. A fixing plate is fixedly connected inside the slot. Springs are fixedly connected to both sides of the fixing plate. A buckle is slidably connected inside the slot. The side of the spring near the buckle is fixedly connected to the buckle. Sliding grooves are formed on both sides of the connecting block. A sliding rod is slidably connected inside the sliding groove. A push-pull plate is fixedly connected to the side of the sliding rod away from the connecting block.

2. The automatic groove milling device for shaft parts according to claim 1, characterized in that: An energy storage spring is fitted onto the surface of the sliding rod, and the two sides of the energy storage spring are fixedly connected to the connecting block and the push-pull plate, respectively.

3. The automatic groove milling device for shaft parts according to claim 1, characterized in that: The sliding groove has a first sliding groove at both the front and rear ends, and the sliding rod has a first slider fixedly connected to both the front and rear ends. The interior of the first sliding groove is slidably connected to the first slider.

4. The automatic groove milling device for shaft parts according to claim 1, characterized in that: The front and rear ends of the slot are provided with second sliding grooves, and the front and rear ends of the buckle are fixedly connected with second sliders. The interior of the second sliding groove is slidably connected to the second slider.

5. The automatic groove milling device for shaft parts according to claim 1, characterized in that: The front and rear ends of the sliding groove are provided with T-shaped grooves, and the front and rear ends of the mounting plate are fixedly connected with T-shaped blocks. The interior of the T-shaped groove is slidably connected to the T-shaped blocks.

6. The automatic groove milling device for shaft parts according to claim 1, characterized in that: The buckle has rounded corners on its surface, and two contact plates are installed at the bottom of the mounting plate.

7. The automatic groove milling device for shaft parts according to claim 1, characterized in that: The milling cutter head is made of cemented carbide.