A precision milling tool for numerically controlled machining of a cushion gasket

Abstract

The utility model relates to the field of processing equipment discloses a kind of precision milling cutters of cushion gasket numerical control processing, including connecting ring, recess is equipped with in the both sides of connecting ring interior, two the recess interior are fixedly connected with locking assembly, the locking assembly includes frame, the frame interior is slidably connected with recess, the frame interior is slidably connected with limit block, the limit block one end is fixedly connected with pull column, the limit block one end is fixedly connected with second spring, the second spring one end is fixedly connected in the one end of frame inner wall, the pull column is slidably connected in frame top, the one end fixedly connected with horizontal plate in the frame top. In the utility model, locking assembly is locked by the cooperation of handle and bolt, and disassembly can be completed manually, without torque wrench, pull bar special tool, operation threshold is low, still can avoid the loss brought by tool misoperation, compared with traditional mode, save time, adapt to batch production tool changing demand.

Description

Technical Field

[0001] This utility model relates to the field of processing equipment, and in particular to a precision milling tool for CNC machining of buffer pads. Background Technology

[0002] Buffer pads are widely used in electronics, automotive, aerospace and other fields. They are key components for ensuring the shock absorption, sealing and protection of equipment. Their processing must meet stringent indicators and the edges must be free of burrs. At the same time, buffer pads are made of a variety of materials, including soft materials such as rubber and foam, hard materials such as thin metal sheets, and fiber-reinforced composite materials, which puts high demands on the adaptability of processing tools. Existing technologies require the use of torque wrenches and special tools to gradually loosen bolts or separate conical surfaces. Disassembling a single tool is time-consuming and cumbersome, making it difficult to adapt to the rapid tool change requirements in mass production. Furthermore, existing rigid milling tools lack elastically adjustable and shock-absorbing structures. When machining soft rubber or foam pads, the cutting force can easily deform the workpiece and cause the edges to collapse. Therefore, a precision milling tool for CNC machining of buffer pads is proposed to solve the above problems. Utility Model Content

[0003] To overcome the above shortcomings, this utility model provides a precision milling tool for CNC machining of buffer pads, aiming to improve the problems of inconvenient disassembly and easy damage to the buffer disc during milling.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a precision milling tool for CNC machining of buffer pads, comprising a connecting ring, with grooves on both sides inside the connecting ring, and a locking component fixedly connected inside each of the two grooves. The locking component includes a frame, with grooves slidably connected inside the frame, and a limit block slidably connected inside the frame. A pull column is fixedly connected to one end of the limit block, and a second spring is fixedly connected to one end of the limit block. One end of the second spring is fixedly connected to one end of the inner wall of the frame. The pull column is slidably connected to the frame portion, and a horizontal plate is fixedly connected to one end of the frame. A pin is slidably connected inside the horizontal plate, and a round hole is opened inside the pull column. The pin is inserted into one end of the pull column. A connecting rod is provided inside the connecting ring, with first insertion holes opened on both sides of the bottom end of the connecting rod, and the limit block is inserted into the first insertion hole.

[0005] As a further description of the above technical solution: According to the claim, a precision milling tool for CNC machining of buffer pads is characterized in that: a connecting post is provided inside the connecting ring, a hollow post is fixedly connected to the bottom end of the connecting post, a cutting head is slidably connected inside the hollow post, a first spring is fixedly connected to the top end of the cutting head, a damper is fixedly connected to the top end of the cutting head, the damper is fixedly connected to the top end of the inner wall of the hollow post, and the first spring is sleeved on the outside of the damper.

[0006] As a further description of the above technical solution: a handle is fixedly connected to one end of the pull column.

[0007] As a further description of the above technical solution: a pull plate is fixedly connected to the top of the pin.

[0008] As a further description of the above technical solution: one end of the first spring is fixedly connected to the top of the inner wall of the hollow column.

[0009] As a further description of the above technical solution: the damper is located inside the hollow column.

[0010] As a further description of the above technical solution: the connecting ring is located between the connecting rod and the connecting post.

[0011] This utility model has the following beneficial effects: 1. In this utility model, the locking component is locked by the combination of handle and pin, and the disassembly and assembly can be completed manually without the need for torque wrench or puller tools. The operation threshold is low, and it can also avoid the damage caused by tool misoperation. Compared with the traditional method, it saves time, is suitable for batch production tool changing needs, and the disassembly and assembly cause little damage to the components. It can still be stably positioned after multiple operations, ensuring the processing accuracy of the buffer pad.

[0012] 2. In this utility model, the vibration energy of the cutting head can be eliminated during milling, avoiding the vibration from being directly transmitted to the buffer pad, reducing surface texture defects, and for soft, thin-walled pads, it can buffer the cutting impact force and prevent workpiece deformation and edge collapse. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of a precision milling tool for CNC machining of a buffer pad according to the present invention. Figure 2 This is a schematic diagram of the structure of the first spring of a precision milling cutter for CNC machining of a buffer pad according to this utility model; Figure 3 This is a schematic diagram of the structure of the limiting block of a precision milling tool for CNC machining a buffer pad according to the present invention. Figure 4 This is a schematic diagram of the cross-section of a precision milling tool for CNC machining of a buffer pad according to the present invention.

[0014] Legend: 1. Cutting head; 2. Hollow column; 3. Connecting rod; 4. Connecting ring; 5. Handle; 6. Pull plate; 7. Connecting column; 8. First spring; 9. Damper; 10. First insertion hole; 11. Groove; 12. Limiting block; 13. Frame; 14. Horizontal plate; 15. Pin; 16. Pull column; 17. Round hole; 18. Second spring. Detailed Implementation

[0015] 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.

[0016] Reference Figure 1 , Figure 3 and Figure 4 This utility model provides an embodiment of a precision milling cutter for CNC machining of buffer pads, including a connecting ring 4. The connecting ring 4 is a key intermediate component for connecting various parts of the cutter and provides an installation base for the locking assembly structure. Grooves 11 are provided on both sides of the inner side of the connecting ring 4. The grooves 11 are used to accommodate the locking assembly, providing space for the installation and operation of the locking assembly. Locking assemblies are fixedly connected inside both grooves 11. The locking assembly is the core structure for achieving quick assembly and disassembly and stable connection of the cutter. The locking assembly includes a frame 13. The frame 13 supports and guides the components within the locking assembly. A groove 11 is slidably connected inside the frame 13, and a limit block 12 is also slidably connected inside the frame 13. The limit block 12 can slide within the frame 13, and through its cooperation with the first insertion hole 10, it achieves the engagement of the connecting rod 3 and the connecting ring 4. A pull post 16 is fixedly connected to one end of the limit block 12, which is used to drive the limit block 12 to move, realizing the separation or engagement of the limit block 12 with the first insertion hole 10. A second spring 18 is fixedly connected to one end of the limit block 12. The second spring 18 is... The limiting block 12 provides elasticity, allowing it to automatically slide into the first insertion hole 10 to complete the locking. One end of the second spring 18 is fixedly connected to one end of the inner wall of the frame 13. The pull post 16 is slidably connected to the frame 13. The sliding of the pull post 16 within the frame 13 can drive the limiting block 12 to move, thereby controlling the locking state. A horizontal plate 14 is fixedly connected to one end of the top of the frame 13. The horizontal plate 14 provides a platform for the installation and sliding of the pin 15. The pin 15 is slidably connected inside the horizontal plate 14 and can slide within the horizontal plate 14. By inserting or withdrawing it from the round hole... 17 is used to fix or release the pull column 16. The pull column 16 has a round hole 17 inside. The round hole 17 cooperates with the pin 15 to fix the position of the pull column 16. The pin 15 is inserted into one end inside the pull column 16. The connecting ring 4 has a connecting rod 3 inside. The connecting rod 3 is a component that connects the tool to the external equipment and transmits power. The bottom end of the connecting rod 3 has a first insertion hole 10 on both sides. The first insertion hole 10 cooperates with the limiting block 12 to achieve the initial engagement of the connecting rod 3 and the connecting ring 4. The limiting block 12 is inserted into the first insertion hole 10 for fixation.

[0017] Reference Figure 1and Figure 2 The connecting ring 4 has a connecting post 7 inside, which connects and supports the hollow column 2 component. The bottom end of the connecting post 7 is fixedly connected to the hollow column 2. The hollow column 2 provides installation space and motion guidance for the cutter head 1, the first spring 8 and the damper 9. The cutter head 1 is slidably connected inside the hollow column 2. The cutter head 1 is the component that directly mills the buffer pad. The top end of the cutter head 1 is fixedly connected to the first spring 8. The first spring 8 absorbs the instantaneous impact on the cutter head 1 through elastic deformation, reducing the impact of rigid impact on the workpiece. The top end of the cutter head 1 is fixedly connected to the damper 9. The damper 9 slows down the vibration frequency of the first spring 8 through the viscous resistance of the internal medium, preventing the cutter head 1 from shaking at high frequency. The damper 9 is fixedly connected to the top end of the inner wall of the hollow column 2, and the first spring 8 is sleeved on the outside of the damper 9.

[0018] Reference Figure 1 , Figure 3 and Figure 4 A handle 5 is fixedly connected to one end of the pull column 16. The handle 5 makes it convenient for the operator to pull the pull column 16 to disassemble the tool.

[0019] Reference Figure 1 , Figure 3 and Figure 4 The top of the pin 15 is fixedly connected to a pull plate 6, which allows the operator to lift the pin 15 and control the engagement state between the pin 15 and the round hole 17.

[0020] Reference Figure 1 and Figure 2 One end of the first spring 8 is fixedly connected to the top of the inner wall of the hollow column 2. This connection method can ensure that the first spring 8 can stably play a buffering role when the cutter head 1 moves.

[0021] Reference Figure 1 and Figure 2 The damper 9 is located inside the hollow column 2, so that the damper 9 can suppress the vibration of the first spring 8 inside the hollow column 2.

[0022] Reference Figure 1 and Figure 3 The connecting ring 4 is located between the connecting rod 3 and the connecting post 7. This position allows for better connection and force transmission between the connecting rod 3 and the connecting post 7.

[0023] Working principle: The connecting ring 4 is located between the connecting rod 3 and the connecting post 7. During assembly, the connecting rod 3 is inserted into the connecting ring 4, and the first insertion holes 10 on both sides of its bottom end are aligned with the limiting blocks 12 in the frame 13 inside the groove 11. The second spring 18 in the frame 13 releases its elastic force, pushing the limiting block 12 to slide laterally into the first insertion hole 10, thus achieving the initial engagement between the connecting rod 3 and the connecting ring 4. After the limiting block 12 is in place, the pin 15 in the horizontal plate 14 is inserted into the round hole 17 of the pull post 16, restricting the axial movement of the pull post 16, thereby fixing the position of the limiting block 12 and preventing disengagement due to cutting vibration. During disassembly, the pin 15 is lifted by the pull plate 6, and then the handle 5 is pulled to drive the pull post 16 to compress the second spring 18, so that the limiting block 12 can be pulled out to complete the separation. At the same time, the pin 15 is inserted into the round hole 17 for fixation.

[0024] The cutter head 1 slides inside the hollow column 2. When milling the buffer pad, the cutting force causes the cutter head 1 to contract upward, and the first spring 8 at the top is compressed. One end of the spring is fixed to the top of the inner wall of the hollow column 2. It absorbs the instantaneous impact through elastic deformation, reducing the rigid impact of the cutter head 1 on the workpiece. The damping and vibration reduction are coordinated. The damper 9 located inside the hollow column 2 is coaxially set with the first spring 8. The spring is sleeved outside the damper 9. The damper 9 reduces the vibration frequency of the spring through the viscous resistance of the internal medium, avoids the high-frequency reciprocating wobbling of the cutter head 1, ensures the stability of the cutting edge trajectory, and is suitable for the precision machining of soft and thin-walled pads.

[0025] 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. A precision milling cutter for CNC machining of buffer pads, comprising a connecting ring (4), characterized in that: The connecting ring (4) has grooves (11) on both sides inside. Locking components are fixedly connected inside each of the two grooves (11). Each locking component includes a frame (13). The frame (13) has grooves (11) slidably connected inside, and a limit block (12) slidably connected inside. A pull post (16) is fixedly connected to one end of the limit block (12), and a second spring (18) is fixedly connected to one end of the limit block (12). One end of the second spring (18) is fixedly connected to a section of the inner wall of the frame (13). At the end, the pull column (16) is slidably connected to the frame (13). A horizontal plate (14) is fixedly connected to one end of the top of the frame (13). A pin (15) is slidably connected inside the horizontal plate (14). A round hole (17) is opened inside the pull column (16). The pin (15) is inserted into one end inside the pull column (16). A connecting rod (3) is provided inside the connecting ring (4). A first insertion hole (10) is opened on both sides of the bottom end of the connecting rod (3). The limiting block (12) is inserted into the first insertion hole (10).

2. The precision milling tool for CNC machining of a buffer pad according to claim 1, characterized in that: The connecting ring (4) is provided with a connecting post (7) inside. A hollow post (2) is fixedly connected to the bottom end of the connecting post (7). A cutter head (1) is slidably connected inside the hollow post (2). A first spring (8) is fixedly connected to the top end of the cutter head (1). A damper (9) is fixedly connected to the top end of the cutter head (1). The damper (9) is fixedly connected to the top end of the inner wall of the hollow post (2). The first spring (8) is sleeved on the outside of the damper (9).

3. The precision milling tool for CNC machining of a buffer pad according to claim 1, characterized in that: A handle (5) is fixedly connected to one end of the pull post (16).

4. The precision milling tool for CNC machining of a buffer pad according to claim 1, characterized in that: The top of the pin (15) is fixedly connected to a pull plate (6).

5. The precision milling tool for CNC machining of a buffer pad according to claim 2, characterized in that: One end of the first spring (8) is fixedly connected to the top of the inner wall of the hollow column (2).

6. The precision milling tool for CNC machining of a buffer pad according to claim 2, characterized in that: The damper (9) is located inside the hollow column (2).

7. The precision milling tool for CNC machining of a buffer pad according to claim 1, characterized in that: The connecting ring (4) is located between the connecting rod (3) and the connecting post (7).

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