PCB tool with tool bit structure capable of being rapidly replaced

The design of the connecting seat and locking assembly enables quick tool head replacement, solving the problem of complex and costly tool changing devices in existing technologies, improving production efficiency and flexibility, and reducing equipment costs.

CN223544169UActive Publication Date: 2025-11-14HEFEI SHANKE PRECISION TOOLS CO LTD
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Patent Information

Application Number
CN202423085379.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-14
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

In the existing technology, the tool changing device of automated equipment has a complex structure and high cost, making it difficult to apply to production processes with small or high-frequency tool changes, thus affecting processing quality and production efficiency.

Method used

The design employs a connecting seat, connecting components, and engaging components, enabling quick tool head changes through rotation and pressure transmission. The combination of components such as connecting threaded post, pressure threaded post, rotating block, extension post, spring, push post, and retaining ball simplifies the tool changing process.

Benefits of technology

It enables fast, stable, and low-cost tool change, improving production efficiency and flexibility, reducing equipment downtime, and lowering manufacturing and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a PCB tool with a tool bit structure capable of being rapidly replaced, and relates to the technical field of circuit board machining tools. A connecting assembly; the connecting assembly comprises a connecting threaded column in threaded connection to the connecting base, a first rotating block is fixedly connected to the bottom end of the outer side of the connecting threaded column, a pressure threaded column is in threaded connection with the interior of the connecting threaded column, a second rotating block is fixedly connected to the bottom end of the pressure threaded column, and a milling cutter body is fixedly connected to the bottom end of the second rotating block. A clamping assembly; the clamping assembly comprises an extension column fixedly connected to the pressure threaded column. According to the design, a simple cutter replacing mechanism is provided, the effect of rapidly replacing the cutter is achieved through rotation and pressure transmission, the whole device is simple in structure, low in cost and suitable for the production technology of small-sized or high-frequency cutter head replacement, the equipment structure is effectively simplified, and the manufacturing and maintenance cost is reduced; and secondly, the cutter replacement speed and efficiency are improved, and the production downtime is shortened.
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Description

Technical Field

[0001] This utility model relates to the field of circuit board processing cutting tools, and in particular to a PCB cutting tool with a quick-change cutting head structure. Background Technology

[0002] In modern electronics manufacturing, printed circuit board (PCB) processing is one of the key steps in manufacturing electronic products. With the continuous advancement of electronic product technology, PCBs are becoming smaller and more complex, placing higher demands on the precision and efficiency of PCB processing. During PCB processing, the cutting accuracy, durability, and replacement frequency of the cutting tools have a significant impact on processing quality and production efficiency.

[0003] While some existing technologies utilize automated equipment that can replace cutting tools via robotic arms or automatic tool changers, these devices are complex in structure, costly, and unsuitable for certain small-scale or high-frequency tool-changing production processes.

[0004] Therefore, this utility model provides a PCB cutting tool with a quick-change cutting head structure. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a PCB cutting tool with a quick-change cutting head structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a PCB cutting tool with a quick-change cutting head structure, comprising;

[0007] Connector;

[0008] A connecting assembly; the connecting assembly includes a connecting threaded post threadedly connected to a connecting seat, a rotating block one fixedly connected to the outer bottom end of the connecting threaded post, a pressure threaded post threadedly connected to the inner part of the connecting threaded post, a rotating block two fixedly connected to the bottom end of the pressure threaded post, and a milling cutter body fixedly connected to the bottom end of the rotating block two.

[0009] The engaging assembly includes an extension post fixedly connected to a pressure threaded post, a receiving post fixedly connected to the outer side of the extension post, a spring fixedly connected to the outer side of the extension post, a push post fixedly connected to the top of the spring, a fixed post slidably connected inside the push post, a slot provided inside the connecting seat, and a locking ball provided on the slot.

[0010] The technical advantages of adopting the above solution are: it enables rapid tool head replacement, significantly reducing operational complexity and cost, and eliminating the need for complex robotic arms or automatic tool changers. Furthermore, this design is particularly suitable for small-scale production environments or those requiring frequent tool head changes, improving production efficiency and flexibility. In practical applications, users can easily change tool heads in a short time with simple operations, thereby reducing equipment downtime and improving production continuity and economic benefits.

[0011] In a preferred embodiment, the outer side of the ball engages with the interior of the receiving column.

[0012] The technical effect of adopting the above technical solution is to ensure the stability and reliability of the locking assembly, so that the tool can maintain accurate positioning during high-speed rotation and cutting, and avoid machining errors caused by loosening or misalignment.

[0013] In a preferred embodiment, the push post is internally slidably connected to the extension post.

[0014] The technical effect of adopting the above technical solution is that the sliding connection design between the push column and the extension column ensures smooth operation during the tool change process.

[0015] In a preferred embodiment, the top of the pusher is in contact with the outer side of the ball.

[0016] The technical effect of adopting the above technical solution is to ensure the precise positioning of the cutter head during replacement.

[0017] In a preferred embodiment, the outer side of the receiving column is slidably connected to the inside of the connecting seat.

[0018] The technical effect of adopting the above technical solution is that it enables stable movement during disassembly.

[0019] In a preferred embodiment, the bottom end of the fixed column is fixedly connected to the extension column.

[0020] The technical effect of adopting the above technical solution is that it can ensure the transmission of force when the pressure threaded column moves, and ensure that the ball can be disengaged from the groove.

[0021] In a preferred embodiment, the outer side of the fixed column is slidably connected to the inside of the connecting seat.

[0022] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0023] This invention utilizes a rotating block two to rotate the connecting threaded column and connect it to the connecting seat. The rotating connecting assembly then rotates the pressure threaded column, causing it to rotate and move upwards. As the pressure threaded column rises, the extension column compresses the spring, pushing the retaining ball into the retaining groove. Reversing the rotating block one causes the extension column to descend, the spring to relax, the retaining ball to move, and the fixed column to move into the receiving column, thus releasing the milling cutter body from the mounting. This design provides a simple tool changing mechanism, achieving rapid tool changing through rotation and pressure transmission. The entire device has a simple structure and low cost, suitable for small-scale or high-frequency tool changing production processes. It effectively simplifies the equipment structure and reduces manufacturing and maintenance costs. Furthermore, it improves the speed and efficiency of tool changing, reducing production downtime. Attached Figure Description

[0024] Figure 1 A perspective view of a PCB cutting tool with a quick-change cutting head structure provided by this utility model;

[0025] Figure 2 A schematic diagram of the connection assembly structure of a PCB cutting tool with a quick-change cutting head structure provided by this utility model;

[0026] Figure 3 A schematic diagram of the engaging assembly structure of a PCB cutting tool with a quick-change cutting head structure provided by this utility model;

[0027] Figure 4 This utility model provides a schematic diagram of the deformation of the locking assembly of a PCB cutting tool with a quick-change cutting head structure.

[0028] Legend:

[0029] 1. Connector;

[0030] 2. Connecting assembly; 21. Connecting threaded post; 22. Rotating block one; 23. Pressure threaded post; 24. Rotating block two; 25. Milling cutter body;

[0031] 3. Engaging assembly; 31. Extension post; 32. Receiving post; 33. Spring; 34. Push post; 35. Fixed post; 36. Ball catcher; 37. Slot. Detailed Implementation

[0032] 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.

[0033] like Figure 1 - Figure 4 As shown, this embodiment provides a technical solution: a PCB cutting tool with a quick-change cutting head structure, comprising;

[0034] Connector 1;

[0035] Connection component 2; Connection component 2 includes a connecting threaded post 21 threadedly connected to the connecting seat 1, a rotating block 22 fixedly connected to the outer bottom end of the connecting threaded post 21, a pressure threaded post 23 threadedly connected to the inner thread of the connecting threaded post 21, a rotating block 24 fixedly connected to the bottom end of the pressure threaded post 23, and a milling cutter body 25 fixedly connected to the bottom end of the rotating block 24.

[0036] The connecting threaded post 21 is threadedly connected to the connecting seat 1 for easy installation and disassembly. The rotating block 1 22 is used to adjust the position of the connecting threaded post 21. The pressure threaded post 23 is designed to be threadedly connected to the connecting threaded post 21, providing a movable and adjustable effect. The rotating block 24 provides an adjustable connection point for the movement of the pressure threaded post 23 and provides a mounting platform for the milling cutter body 25.

[0037] Engaging assembly 3; Engaging assembly 3 includes an extension post 31 fixedly connected to the pressure threaded post 23, a receiving post 32 fixedly connected to the outer side of the extension post 31, the outer side of the receiving post 32 slidably connected to the inside of the connecting seat 1, a spring 33 fixedly connected to the outer side of the extension post 31, a push post 34 fixedly connected to the top of the spring 33, the inside of the push post 34 slidably connected to the extension post 31, a fixed post 35 slidably connected to the inside of the push post 34, the bottom end of the fixed post 35 fixedly connected to the extension post 31, the outer side of the fixed post 35 slidably connected to the inside of the connecting seat 1, a slot 37 is provided inside the connecting seat 1, a ball 36 is provided on the slot 37, the top of the push post 34 contacts the outer side of the ball 36, and the outer side of the ball 36 engages with the inside of the receiving post 32;

[0038] The extension post 31 provides a stable connection point, enabling the entire engagement assembly to provide a stable support point for the milling cutter body 25. The receiving post 32 is used to receive the chuck ball 36 and is slidably connected inside the connecting seat 1, allowing the 36 to be adjusted for lifting and lowering within the connecting seat 1. The elasticity of the spring 33 ensures appropriate pressure between the push post 34 and the chuck ball 36, maintaining a stable connection of the tool. The push post 34 is used to push the chuck ball 36, and the sliding connection of the push post 34 allows it to move under the action of elastic force, realizing the engagement and release of the chuck ball 36. The design of the fixed post 35 allows the chuck ball 36 to be re-entered into the receiving post 32 when it is disassembled. The use of the groove 37 and the chuck ball 36 provides a locking mechanism to ensure that the tool will not accidentally fall off during operation. The engagement of the chuck ball 36 can lock the receiving post 32, preventing the tool from accidentally moving or falling off during use, thus improving the safety of the tool.

[0039] Working principle:

[0040] like Figure 1 - Figure 4 As shown:

[0041] In use: First, rotate the second rotating block 24 to drive the connecting threaded post 21 to rotate, and then connect it inside the connecting seat 1. By rotating the connecting assembly 2, the pressure threaded post 23 is driven to rotate in the connecting threaded post 21 and move to the top. Then, during the movement of the pressure threaded post 23, the extension post 31 at the top will apply pressure to the spring 33, and during the upward movement, the push post 34 moves upward, thereby pushing the ball 36 to move into the slot 37. Then, when disassembling, rotate the first rotating block 22 in the opposite direction to drive the extension post 31 on the pressure threaded post 23 to move downward, contacting the pressure of the spring 33 on the push post 34, so that the ball 36 is in a movable state. During the movement, the fixed post 35 at the top will move along the inside of the connecting seat 1, thereby driving the ball 36 to move into the receiving post 32 until it is received into the receiving post 32, thereby releasing the installation of the milling cutter body 25.

[0042] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A PCB cutting tool with a quick-change cutting head structure, characterized in that, include; Connector (1); Connection component (2); The connection component (2) includes a connecting threaded post (21) threadedly connected to the connecting seat (1), a rotating block one (22) fixedly connected to the outer bottom end of the connecting threaded post (21), a pressure threaded post (23) threadedly connected to the inner thread of the connecting threaded post (21), a rotating block two (24) fixedly connected to the bottom end of the pressure threaded post (23), and a milling cutter body (25) fixedly connected to the bottom end of the rotating block two (24). Engaging assembly (3); The engaging assembly (3) includes an extension post (31) fixedly connected to the pressure thread post (23), a receiving post (32) fixedly connected to the outside of the extension post (31), a spring (33) fixedly connected to the outside of the extension post (31), a push post (34) fixedly connected to the top of the spring (33), a fixed post (35) slidably connected inside the push post (34), a slot (37) is provided inside the connecting seat (1), and a locking ball (36) is provided on the slot (37).

2. The PCB cutting tool with a quick-change cutting head structure according to claim 1, characterized in that: The outer side of the ball (36) engages with the interior of the receiving column (32).

3. A PCB cutting tool with a quick-change cutting head structure according to claim 1, characterized in that: The push post (34) is internally slidably connected to the extension post (31).

4. A PCB cutting tool with a quick-change cutting head structure according to claim 1, characterized in that: The top of the pusher (34) is in contact with the outer side of the ball (36).

5. A PCB cutting tool with a quick-change cutting head structure according to claim 1, characterized in that: The outer side of the receiving column (32) is slidably connected to the inside of the connecting seat (1).

6. A PCB cutting tool with a quick-change cutting head structure according to claim 1, characterized in that: The bottom end of the fixed column (35) is fixedly connected to the extension column (31).

7. A PCB cutting tool with a quick-change cutting head structure according to claim 1, characterized in that: The outer side of the fixed column (35) is slidably connected to the inside of the connecting seat (1).