Adjustable face milling cutter

By designing an adjustable planar milling cutter with a movable rod and knob structure, the cutting tool can be replaced without disassembly, solving the problem of cumbersome cutting tool replacement in existing technologies and improving work efficiency.

CN224543223UActive Publication Date: 2026-07-24KUNSHAN TESHENGLONG PRECISION TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN TESHENGLONG PRECISION TOOLS CO LTD
Filing Date
2025-08-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing face milling cutters are cumbersome to change inserts, resulting in low work efficiency and an inability to quickly adapt to frequently changing machining requirements.

Method used

An adjustable face milling cutter was designed. Through the cooperation of a movable rod and a knob, the tool holder can be rotated and the retainer can be moved, allowing for the replacement of different specifications of inserts without disassembly to meet different machining needs.

Benefits of technology

It improves work efficiency during the processing, simplifies the blade replacement process, and adapts to processing needs that change frequently.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224543223U_ABST
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Abstract

The utility model relates to the field of surface milling cutter discloses an adjustable surface milling cutter, including cutter body, the cutter body bottom end is equipped with a plurality of holes near the outside, each hole is movably connected with the tool holder, the middle part of each tool holder is movably provided with the pivot, each pivot top is fixedly connected with the cutter body, each tool holder is equipped with three end protrusions, each end protrusion is connected with the blade through the bolt near the outside, and the middle part of each end protrusion is equipped with a rectangular hole, the top of each tool holder is movably provided with the retainer, the middle part of each retainer is movably connected with the movable rod, and the bottom of each tool holder is fixedly connected with the knob through the cutter body. In the utility model, the blade of different models and specifications required by processing demand is installed before processing, and the use end of the tool holder is adjusted through the knob when the demand changes, so that the required blade can be directly replaced without disassembly, thereby improving work efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of planar milling cutters, and more particularly to an adjustable planar milling cutter. Background Technology

[0002] A face milling cutter is a cutting tool used for milling operations. It is typically used to machine a flat, smooth surface on the workpiece surface. To adapt to different machining requirements, adjustable face milling cutters with replaceable inserts are needed.

[0003] In the process of realizing this application, the inventors discovered the following problems with the prior art: Existing face milling cutters are usually adjusted by changing the inserts. The inserts are usually disassembled and different inserts are installed to meet different processing requirements. However, changing the inserts is too cumbersome. In work that requires multiple changes in processing requirements, the inserts need to be removed from the tool holder and replaced one by one. Frequent replacement of inserts greatly reduces the efficiency of the work.

[0004] Therefore, those skilled in the art have provided an adjustable face milling cutter to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an adjustable planar milling cutter that allows for direct replacement of cutting inserts without disassembly when processing requirements change, thereby improving work efficiency.

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

[0007] An adjustable face milling cutter includes a cutter body. Multiple holes are provided near the outer side of the bottom end of the cutter body. A cutter holder is movably connected to each hole. A rotating shaft is movably disposed in the middle of each cutter holder. The top of each rotating shaft is fixedly connected to the cutter body. Each cutter holder has three protrusions, each protrusion near its outer side is bolted with an insert, and the middle of each protrusion has a rectangular hole. A retainer is movably disposed on the top of each cutter holder, and a movable rod is movably connected to the middle of each retainer. A knob is fixedly connected to the bottom of each cutter holder, passing through the cutter body.

[0008] Furthermore, a chip-collecting groove is provided on one side of the cutter body near each cutter holder.

[0009] Furthermore, each of the retainers is provided with three rectangular protrusions, and each rectangular protrusion of the retainer is movably disposed in the rectangular hole of the tool holder.

[0010] Furthermore, each of the movable rods has a thread on its surface, each of the retainers has a threaded hole in its center, and each movable rod passes through the cutter body and is movably configured with the retainer.

[0011] Furthermore, each tool holder is tilted, and the blades connected to each end by bolts are of different specifications and models.

[0012] Furthermore, a keyway is fixedly connected to the top of the blade body.

[0013] This utility model has the following beneficial effects:

[0014] This utility model proposes an adjustable face milling cutter. Each cutter holder 2 has three ends connected by bolts with different specifications and models of cutting inserts. When the machining requirements of the cutting inserts change during the machining process, the movable rod is rotated, and through its surface thread, the retainer that is movable is moved upward, releasing its fixation on the cutter holder. The knob fixed to the bottom of the cutter holder is rotated to rotate the cutter holder and switch the end of the cutter holder to change the specifications and models of the cutting inserts used to meet different machining requirements. After the change is completed, the movable rod is rotated in the opposite direction to lower the retainer back down and fix the cutter holder again. Thus, the cutting inserts can be changed directly without disassembly, improving work efficiency. Attached Figure Description

[0015] Figure 1 This is an isometric schematic diagram of the present invention;

[0016] Figure 2 This is an isometric view of the bottom of the present invention;

[0017] Figure 3 This is a cross-sectional schematic diagram of the blade body of this utility model;

[0018] Figure 4 This is an isometric schematic diagram of the tool holder of this utility model;

[0019] Figure 5 This is a cross-sectional schematic diagram of the tool holder of this utility model.

[0020] Legend:

[0021] 1. Tool body; 2. Tool holder; 3. Rotary shaft; 4. Tool insert; 5. Retainer; 6. Movable rod; 7. Knob; 8. Keyway; 9. Chip groove. Detailed Implementation

[0022] 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.

[0023] Reference Figure 1 , Figure 3 One embodiment provided by this utility model:

[0024] An adjustable face milling cutter includes a cutter body 1. The bottom end of the cutter body 1 has multiple holes near the outer side. Each hole is movably connected to a cutter holder 2. Each cutter holder 2 has a rotating shaft 3 movably disposed in the middle. The top of each rotating shaft 3 is fixedly connected to the cutter body 1. Each cutter holder 2 has three protrusions. Each protrusion is connected to a cutting insert 4 near the outer side by bolts. Each protrusion has a rectangular hole in the middle. Each cutter holder 2 has a retainer 5 movably disposed on the top. Each retainer 5 has a movable rod 6 movably connected in the middle. Each cutter holder 2 has a knob 7 fixedly connected through the cutter body 1 at the bottom.

[0025] Specifically, the bottom end of the blade body 1 has multiple holes near the outer side, and each hole is movably connected to a blade holder 2. Each blade holder 2 has a knob 7 fixedly connected through the blade body 1 at its bottom. Each blade holder 2 has three protrusions, and each protrusion is connected to a blade 4 by bolts. Each blade holder 2 has a rotating shaft 3 movably mounted at its top, and the top of each rotating shaft 3 is fixedly connected to the blade body 1. Each of the three protrusions on each blade holder 2 has a rectangular hole in the middle of each end. Each blade holder 2 is movably mounted to a retainer 5 through the rectangular hole. Each retainer 5 has a hole in the middle, and the hole has threads, through which a movable rod 6 is movably connected.

[0026] Reference Figure 2 , Figure 4 , Figure 5 Each cutter body 1 has a chip groove 9 on one side near each cutter holder 2. Each retainer 5 has three rectangular protrusions, and each rectangular protrusion of the retainer 5 is movably installed in the rectangular hole of the cutter holder 2. Each movable rod 6 has threads on its surface, and each retainer 5 has a threaded hole in the middle. Each movable rod 6 passes through the cutter body 1 and is movably installed with the retainer 5. Each cutter holder 2 is in an inclined state, and each blade 4 connected to each end by bolts is of a different specification and model. A keyway 8 is fixedly connected to the top of the cutter body 1.

[0027] Specifically, each tool body 1 has a chip groove 9 on one side near each tool holder 2 to discharge the waste chips generated during processing. Each retainer 5 has three rectangular protrusions, and the rectangular protrusions of each retainer 5 are movably connected to the rectangular holes of the tool holder 2. Each movable rod 6 has threads on its surface, and the retainer 5 to which it is movably connected has a threaded hole in the middle. Each tool holder 2 is set in an inclined state, and only one end of the blade 4 can contact the machining surface. Each of the three protrusions of each tool holder 2 is connected to different models and specifications of blades 4 by threads. To meet different processing needs, different models and specifications of blades 4 can be replaced. The top of the tool body 1 is fixedly connected to a keyway 8, which connects to the outside world.

[0028] Working principle: Before processing, different specifications and models of cutting blades 4 are installed on each end of the tool holder 2. Then, the keyway 8 is installed on the output end. Rotate each movable rod 6 to move each retainer 5 upward, thereby releasing each retainer 5 from fixing the tool holder 2. Rotate each knob 7 to drive the tool holder 2 to rotate. The position of the tool holder 2 during rotation is fixed by the rotating shaft 3. Adjust the use end of the tool holder 2 to the end where the cutting blade 4 of the required specifications and model is located. After adjustment, rotate each movable rod 6 in the opposite direction to move each retainer 5 downward, restoring its fixation on the tool holder 2.

[0029] Secondly, start the output end to drive the keyway 8 to rotate, which in turn drives the tool body 1 to rotate, starting the machining process. The tool 4, connected by bolts to the working end adjusted by the tool holder 2, cuts the workpiece to be machined. During the machining process, the waste chips generated by the cutting of the workpiece are discharged outward through the chip groove 9. When the machining requirements change, rotate the movable rod 6 to release the retainer 5 from fixing the tool holder 2. Adjust the working end of the tool holder 2 by turning the knob 7 to adjust the end where the tool 4 that meets the machining requirements is located as the working end. Then, rotate the movable rod 6 in the opposite direction to restore the retainer 5 to fix the tool holder 2. Thus, when the machining requirements change, the model and specification of the tool 4 can be directly changed without disassembly, thereby improving work efficiency.

[0030] 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 adjustable face milling cutter, comprising a cutter body (1), characterized in that: The bottom end of the blade body (1) is provided with multiple holes near the outer side, and a blade holder (2) is movably connected in each hole. A rotating shaft (3) is movably provided in the middle of each blade holder (2). Each rotating shaft (3) is fixedly connected to the top of the blade body (1). Each blade holder (2) has three protrusions. Each protrusion is connected to a blade (4) by bolts near the outer side. Each protrusion has a rectangular hole in the middle. Each blade holder (2) has a retainer (5) movably installed on the top. Each retainer (5) has a movable rod (6) movably connected in the middle. Each blade holder (2) has a knob (7) fixedly connected through the blade body (1) at the bottom.

2. An adjustable face milling cutter according to claim 1, characterized in that: Each of the cutter bodies (1) has a chip groove (9) on one side near each cutter holder (2).

3. An adjustable face milling cutter according to claim 1, characterized in that: Each of the retainers (5) is provided with three rectangular protrusions, and each rectangular protrusion of the retainer (5) is movably disposed in the rectangular hole of the tool holder (2).

4. An adjustable face milling cutter according to claim 1, characterized in that: Each of the movable rods (6) has a thread on its surface, each of the retainers (5) has a threaded hole in its center, and each movable rod (6) passes through the cutter body (1) and is movably connected to the retainer (5).

5. An adjustable face milling cutter according to claim 1, characterized in that: Each tool holder (2) is tilted, and each blade (4) connected to each end by bolts is of a different specification and model.

6. An adjustable face milling cutter according to claim 1, characterized in that: The top of the blade (1) is fixedly connected to a keyway (8).