Square shoulder milling cutter handle capable of adjusting clamping force

Abstract

The utility model relates to the technical field of metal cutting, and discloses a square shoulder milling cutter handle capable of adjusting clamping force, which comprises a shell I. The inner wall of the shell I is fixedly connected with a telescopic rod I, the front side of the telescopic rod I is fixedly connected with a supporting ball I, and the front side of the supporting ball I is fixedly connected with a telescopic rod II. The outer portion of the first telescopic rod is sleeved with a first spring, the outer wall of the first shell is fixedly connected with a first limiting ring, the outer wall of the first shell is sleeved with a third spring, the front side of the third spring is fixedly connected with a sliding ring, the front side of the sliding ring is fixedly connected with a second limiting ring, and the inner wall of the first shell is slidably connected with a second shell. A second telescopic rod is fixedly connected to the inner wall of the second shell. According to the utility model, the effect that the replaced tool assembly can be quickly and accurately recombined with the main body structure is realized, the replacement time is greatly shortened, and the operation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of metal cutting technology, and in particular to a square shoulder milling tool holder with adjustable clamping force. Background Technology

[0002] Adjustable clamping force square shoulder milling tool holders are key tool accessories designed to improve milling accuracy and stability. They are intended to meet the stringent requirements of square shoulder milling for workpieces of different materials and diverse milling processes, ensuring smooth and efficient machining processes and allowing for timely adjustments and optimizations. Through the coordinated operation of its components, this adjustable clamping force square shoulder milling tool holder is widely used in high-end manufacturing fields such as aerospace, automotive manufacturing, and precision mold processing. It not only significantly improves the machining accuracy of square shoulder milling and extends tool life, but also adapts to complex and ever-changing machining tasks, providing strong support for promoting the development of the machining industry towards higher precision and greater intelligence.

[0003] The square shoulder milling tool holder with adjustable clamping force utilizes advanced mechanical sensing and adaptive adjustment technology to ensure stable clamping of the tool during milling. Its core features are significant: high-precision pressure sensing module; electric adaptive adjustment; and modular quick-change interface. This tool holder, equipped with a dynamic balance correction device, effectively reduces milling vibration, improves machining accuracy compared to traditional tool holders, and reduces surface roughness. It can be widely used in precision milling of aerospace parts, machining of automotive engine cylinder blocks, precision mold manufacturing, and other fields. It is especially suitable for high-end manufacturing production lines with extremely high requirements for milling accuracy, efficiency, and tool versatility.

[0004] Currently, the adjustable clamping force square shoulder milling tool holders commonly found on the market present numerous inconveniences during tool changing. Some tool holders employ special self-locking or interlocking mechanisms to enhance clamping stability. After clamping the tool, these mechanisms automatically lock, ensuring safety and accuracy during milling. However, tool changing is extremely difficult, requiring specialized tools and specific steps to unlock. Even slight deviations in operation can damage the internal structure of the tool holder, further increasing maintenance costs and downtime, significantly hindering efficient production for enterprises. Therefore, the adjustable clamping force square shoulder milling tool holder is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a square shoulder milling tool holder with adjustable clamping force, which aims to improve the problem of the tool changing process being too difficult in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An adjustable clamping force square shoulder milling tool holder includes a housing 1. A telescopic rod 1 is fixedly connected to the inner wall of the housing 1. A support ball 1 is fixedly connected to the front side of the telescopic rod 1. A spring 1 is sleeved on the outside of the telescopic rod 1. A limit ring 1 is fixedly connected to the outer wall of the housing 1. A spring 3 is sleeved on the outer wall of the housing 1. A sliding ring is fixedly connected to the front side of the spring 3. A limit ring 2 is fixedly connected to the front side of the sliding ring. A housing 2 is slidably connected to the inner wall of the housing 1. A telescopic rod 2 is fixedly connected to the inner wall of the housing 2. A support ball 2 is fixedly connected to the rear side of the telescopic rod 2. A spring 2 is sleeved on the outside of the telescopic rod 2. A groove 1 is formed inside the housing 1. A groove 2 is formed inside the housing 1. An outer cover 1 is fixedly connected to the rear side of the housing 1. A disassembly assembly for disassembling the housing 1 is formed inside the outer cover 1.

[0008] As a further description of the above technical solution:

[0009] The disassembly assembly includes an outer cover 2, the outer wall of which is detachably connected to the inner wall of the outer cover 1. A motor is fixedly connected to the rear side of the outer cover 2, a rotating shaft is fixedly connected to the drive end of the motor, a turntable is fixedly connected to the front side of the rotating shaft, a plurality of rotating arms 1 are rotatably connected to the front side of the turntable, a rotating arm 2 is rotatably connected to the rear side of the bottom end of the rotating arm 1, a fixing pad is fixedly connected to the bottom end of the rotating arm 2, a fixing plate is fixedly connected to the front side of the outer cover 2, and a plurality of limiting frames are fixedly connected to the outside of the fixing plate.

[0010] As a further description of the above technical solution:

[0011] The inner surface of the outer casing 2 is provided with a groove 3. The front side of the spring 1 is fixedly connected to the rear side of the support ball 1, the rear side of the spring 1 is fixedly connected to the inner wall of the groove 1, and the outer wall of the support ball 1 is slidably connected to the inner wall of the groove 1. The rear side of the spring 2 is fixedly connected to the front side of the support ball 2, the front side of the spring 2 is fixedly connected to the inner wall of the groove 3, and the outer wall of the support ball 2 is slidably connected to the inner wall of the groove 3.

[0012] As a further description of the above technical solution:

[0013] The outer cover has a groove four inside, the outer wall of the fixing pad is detachably connected to the inner wall of the groove four, and the rear side of the rotating arm two is slidably connected to the inside of the limiting frame.

[0014] As a further description of the above technical solution:

[0015] The rear side of the third spring is fixedly connected to the front side of the first limiting ring, the front side of the third spring is fixedly connected to the rear side of the sliding ring, and the outer wall of the sliding ring is slidably connected to the outer wall of the first limiting ring.

[0016] As a further description of the above technical solution:

[0017] The inner side of the sliding ring is slidably connected to the outer wall of the outer shell one, the outer wall of the limiting ring two is fixedly connected to the outer wall of the outer shell one, and the front side of the sliding ring is detachably connected to the rear side of the limiting ring two.

[0018] As a further description of the above technical solution:

[0019] The sliding ring is internally connected to a limiting ball, and the outer wall of the limiting ball is slidably connected to the outer wall of the outer shell.

[0020] As a further description of the above technical solution:

[0021] The outer wall of the second outer shell is slidably connected to the inner wall of the second groove, and the outer wall of the limiting ball is detachably connected to the outer wall of the second outer shell.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, an elastic adaptive support structure is formed by a telescopic rod fixed to the inner wall of the outer shell, a spring sleeved on the outside, and a support ball on the front side. The support ball provides appropriate buffering and adaptive adjustment to the outer shell, steadily supporting the support ball and achieving stable and flexible clamping of the outer shell. The limiting rings one and two precisely limit the position of the sliding ring's forward and backward sliding. The spring provides buffering and forward power for the sliding ring. The sliding ring, with the help of the limiting ball, applies force to the outer shell from multiple directions, thereby achieving the effect of quickly and accurately recombining the replaced tool components with the main structure, greatly shortening the replacement time and improving work efficiency.

[0024] 2. In this utility model, after the motor starts, its power output drives the rotating shaft to rotate. The rotating shaft drives the turntable to rotate through mechanical connection. Multiple rotating arms on the front side of the turntable are driven by it and move in sync. At this time, the linkage structure composed of rotating arm one and rotating arm two begins to play its role. When the turntable rotates, rotating arm one acts as a force-applying component to pull rotating arm two, so that the fixed pad is displaced under the guide of the track limited by the limit frame, completing the loosening and tightening actions, thereby accurately realizing the different operation requirements of tightening and loosening. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the adjustable clamping force square shoulder milling tool holder proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the fixing disc of the adjustable clamping force square shoulder milling tool holder proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the telescopic rod of the adjustable clamping force square shoulder milling tool holder proposed in this utility model.

[0028] Figure 4 This is a schematic diagram of the turntable for the adjustable clamping force square shoulder milling tool holder proposed in this utility model.

[0029] Legend:

[0030] 1. Outer shell 1; 2. Telescopic rod 1; 3. Support ball 1; 4. Spring 1; 5. Limiting ring 1; 6. Spring 3; 7. Sliding ring; 8. Limiting ring 2; 9. Outer shell 2; 10. Telescopic rod 2; 11. Support ball 2; 12. Spring 2; 13. Limiting ball; 14. Groove 1; 15. Groove 2; 16. Groove 3; 17. Outer cover 1; 18. Outer cover 2; 19. Motor; 20. Rotating shaft; 21. Turntable; 22. Rotating arm 1; 23. Rotating arm 2; 24. Fixing pad; 25. Fixing plate; 26. Limiting frame; 27. Groove 4 Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 and Figure 3 An embodiment of this utility model provides: an adjustable clamping force square shoulder milling tool holder, including a housing 1, a telescopic rod 2 fixedly connected to the inner wall of the housing 1, a support ball 3 fixedly connected to the front side of the telescopic rod 2, a spring 4 sleeved on the outside of the telescopic rod 2, the spring 4 being able to provide appropriate buffering and adaptive adjustment to the support ball 3 through the extension and retraction of the telescopic rod 2 based on its own elastic characteristics, a limiting ring 5 fixedly connected to the outer wall of the housing 1, and a spring 6 sleeved on the outer wall of the housing 1, the spring 6 and the limiting ring 5 providing sliding restriction and elastic force for the sliding ring 7;

[0033] A sliding ring 7 is fixedly connected to the front side of spring 3 6. A limiting ring 2 8 is fixedly connected to the front side of sliding ring 7. The limiting ring 2 8 restricts the sliding space of sliding ring 7. A shell 2 9 is slidably connected to the inner wall of shell 1. A telescopic rod 2 10 is fixedly connected to the inner wall of shell 2 9. A support ball 2 11 is fixedly connected to the rear side of telescopic rod 2 10. A spring 2 12 is sleeved on the outside of telescopic rod 2 10. The spring 2 12 can be based on its own elastic properties.

[0034] The extension and retraction of the telescopic rod 10 provides appropriate buffering and adaptive adjustment for the support ball 11. The interior of the outer shell 1 is provided with a groove 14, which provides space for the sliding of the support ball 3. The interior of the outer shell 1 is provided with a groove 15, which provides space for the sliding of the outer shell 9. The rear side of the outer shell 1 is fixedly connected to an outer cover 17, and the interior of the outer cover 17 is provided with a disassembly assembly for disassembling the outer shell 1.

[0035] Reference Figure 1 and Figure 4 The disassembly assembly includes an outer cover 2 18, the outer wall of which is detachably connected to the inner wall of the outer cover 1 17, facilitating the installation of the assembly. A motor 19 is fixedly connected to the rear side of the outer cover 2 18, and a rotating shaft 20 is fixedly connected to the drive end of the motor 19. The motor 19 drives the rotating shaft 20 to rotate. A turntable 21 is fixedly connected to the front side of the rotating shaft 20, thereby driving the turntable 21 to rotate. Multiple rotating arms 22 are rotatably connected to the front side of the turntable 21.

[0036] Rotating arm 1 22 pulls rotating arm 23. Rotating arm 23 is rotatably connected to the rear side of the bottom end of rotating arm 1 22. A fixing pad 24 is fixedly connected to the bottom end of rotating arm 23. Rotating arm 23 causes the fixing pad 24 to change displacement. A fixing plate 25 is fixedly connected to the front side of outer cover 2 18. Multiple limiting frames 26 are fixedly connected to the outside of the fixing plate 25. The limiting frames 26 provide limits for the sliding of rotating arm 23.

[0037] Reference Figures 2 to 4 The inner side of the outer shell 29 is provided with a groove 3 16. The front side of the spring 1 4 is fixedly connected to the rear side of the support ball 1 3. The rear side of the spring 1 4 is fixedly connected to the inner wall of the groove 14. The spring 1 4 provides cushioning and elasticity for the support ball 1 3. The outer wall of the support ball 1 3 is slidably connected to the inner wall of the groove 14. The rear side of the spring 2 12 is fixedly connected to the front side of the support ball 2 11. The front side of the spring 2 12 is fixedly connected to the inner wall of the groove 3 16. The spring 2 12 provides cushioning and elasticity for the support ball 2 11. The outer wall of the support ball 2 11 is slidably connected to the inner wall of the groove 3 16.

[0038] The inner side of the outer cover 17 has a groove 27. The outer wall of the fixing pad 24 is detachably connected to the inner wall of the groove 27. The fixing pad 24 is tightened and loosened on the groove 27. The rear side of the rotating arm 23 is slidably connected to the inside of the limiting frame 26. The rear side of the spring 3 6 is fixedly connected to the front side of the limiting ring 5. The front side of the spring 3 6 is fixedly connected to the rear side of the sliding ring 7. The spring 3 6 provides buffer and elasticity for the movement of the sliding ring 7. The outer wall of the sliding ring 7 is slidably connected to the outer wall of the limiting ring 5.

[0039] The sliding ring 7 is internally slidably connected to the outer wall of the outer shell 1. The limiting ring 5 and the outer shell 1 provide support for the sliding of the sliding ring 7. The outer wall of the limiting ring 8 is fixedly connected to the outer wall of the outer shell 1. The front side of the sliding ring 7 is detachably connected to the rear side of the limiting ring 8. The limiting ring 8 prevents the sliding ring 7 from sliding out. The sliding ring 7 is internally slidably connected to the limiting ball 13. The outer wall of the limiting ball 13 is slidably connected to the outer wall of the outer shell 1. The limiting ball 13 can prevent the outer shell 9 from loosening. The outer wall of the outer shell 9 is slidably connected to the inner wall of the groove 15. The outer wall of the limiting ball 13 is detachably connected to the outer wall of the outer shell 9.

[0040] Working principle: When the sliding ring 7 moves backward, the spring 6 is compressed. At this time, the outer shell 9 moves backward and slides in the groove 15, squeezing the limiting ball 13 to slide outward. At the same time, the support ball 3 is squeezed backward by the support ball 11, and the spring 4 is compressed, which releases the sliding ring 7. The sliding ring 7 is squeezed forward by the spring 6, and the limiting ball 13 is squeezed inward by the sliding ring 7. When the sliding ring 7 contacts the limiting ring 8, the elastic force of the spring 6 is released. At this time, the limiting ball 13 squeezes the outer wall of the outer shell 9.

[0041] The sliding of outer shell 2 9 is restricted, and the installation operation is finally completed. When the sliding ring 7 moves backward, the spring 3 6 is compressed. At this time, the spring 1 4 releases its elastic force, squeezing the support ball 2 11 and causing the outer shell 2 9 to move outward. The outer shell 2 9 slides in the groove 2 15, squeezing the limiting ball 13 to slide outward. When the outer shell 2 9 is completely pulled out, the sliding ring 7 is released. The sliding ring 7 is squeezed forward by the spring 3 6, and the limiting ball 13 is squeezed inward by the sliding ring 7, finally completing the disassembly operation.

[0042] Motor 19 drives rotating shaft 20 to rotate, which in turn drives turntable 21 to rotate. Multiple rotating arms 22 on the front side of turntable 21 move in tandem. Rotating arms 22 and rotating arms 23 work together. When turntable 21 rotates clockwise, rotating arm 22 pulls rotating arm 23, causing fixed pad 24 to move inward along the track of limit frame 26. When fixed pad 24 and groove 27 move away from each other, the loosening action is completed. When turntable 21 rotates counterclockwise, rotating arm 22 pulls rotating arm 23, causing fixed pad 24 to move outward along the track of limit frame 26. When fixed pad 24 and groove 27 press against each other, the tightening action is completed.

[0043] 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. Adjustable shoulder milling arbor, comprising a housing (1), characterized in that: The inner wall of the shell one (1) is fixedly connected with a telescopic rod one (2), the front side of the telescopic rod one (2) is fixedly connected with a support ball one (3), the outside of the telescopic rod one (2) is sleeved with a spring one (4), the outer wall of the shell one (1) is fixedly connected with a limiting ring one (5), the outer wall of the shell one (1) is sleeved with a spring three (6), the front side of the spring three (6) is fixedly connected with a sliding ring (7), the front side of the sliding ring (7) is fixedly connected with a limiting ring two (8), the inner wall of the shell one (1) is slidably connected with a shell two (9), the inner wall of the shell two (9) is fixedly connected with a telescopic rod two (10), the rear side of the telescopic rod two (10) is fixedly connected with a support ball two (11), the outside of the telescopic rod two (10) is sleeved with a spring two (12), the inside of the shell one (1) is provided with a groove one (14), the inside of the shell one (1) is provided with a groove two (15), the rear side of the shell one (1) is fixedly connected with an outer cover one (17), the inside of the outer cover one (17) is provided with a disassembling assembly for disassembling the shell one (1).

2. Adjustable clamping force square shoulder milled shank according to claim 1, characterized in that: The disassembling assembly comprises an outer cover two (18), the outer wall of the outer cover two (18) is detachably connected to the inner wall of the outer cover one (17), the rear side of the outer cover two (18) is fixedly connected with a motor (19), the driving end of the motor (19) is fixedly connected with a rotating shaft (20), the front side of the rotating shaft (20) is fixedly connected with a rotating disc (21), the front side of the rotating disc (21) is rotatably connected with a plurality of rotating arms one (22), the rear side of the bottom end of the rotating arm one (22) is rotatably connected with a rotating arm two (23), the bottom end of the rotating arm two (23) is fixedly connected with a fixed pad (24), the front side of the outer cover two (18) is fixedly connected with a fixed disc (25), the outside of the fixed disc (25) is fixedly connected with a plurality of limiting frames (26).

3. The adjustable clamping force square shoulder milled shank of claim 1, wherein: The inside of the shell two (9) is provided with a groove three (16), the front side of the spring one (4) is fixedly connected to the rear side of the support ball one (3), the rear side of the spring one (4) is fixedly connected to the inner wall of the groove one (14), the outer wall of the support ball one (3) is slidably connected to the inner wall of the groove one (14), the rear side of the spring two (12) is fixedly connected to the front side of the support ball two (11), the front side of the spring two (12) is fixedly connected to the inner wall of the groove three (16), the outer wall of the support ball two (11) is slidably connected to the inner wall of the groove three (16).

4. The adjustable clamping force square shoulder milled shank of claim 2, wherein: The inside of the outer cover one (17) is provided with a groove four (27), the outer wall of the fixed pad (24) is detachably connected to the inner wall of the groove four (27), the rear side of the rotating arm two (23) is slidably connected to the inside of the limiting frame (26).

5. The adjustable clamping force square shoulder milled shank of claim 1, wherein: The rear side of the spring three (6) is fixedly connected to the front side of the limiting ring one (5), the front side of the spring three (6) is fixedly connected to the rear side of the sliding ring (7), the outer wall of the sliding ring (7) is slidably connected to the outer wall of the limiting ring one (5).

6. The adjustable clamping force square shoulder milled shank of claim 1, wherein: The inner part of the sliding ring (7) is slidably connected to the outer wall of the shell one (1), the outer wall of the limiting ring two (8) is fixedly connected to the outer wall of the shell one (1), and the front side of the sliding ring (7) is detachably connected to the rear side of the limiting ring two (8).

7. The adjustable clamping force square shoulder milled shank of claim 1, wherein: The inner part of the sliding ring (7) is slidably connected to the limiting ball (13), and the outer wall of the limiting ball (13) is slidably connected to the outer wall of the shell one (1).

8. A shoulder milling tool shank according to claim 7, characterized in that: The outer wall of the shell two (9) is slidably connected to the inner wall of the groove two (15), and the outer wall of the limiting ball (13) is detachably connected to the outer wall of the shell two (9).

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