Floating cutter with clamping structure
By introducing a motor and pneumatic clamping assembly into the floating tool, the problem of the lack of clamping structure in traditional floating tools is solved, achieving stable fixation, power transmission, reduced vibration, improved machining accuracy and efficiency, and extended tool life.
Patent Information
- Application Number
- CN202520295920.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional floating tools lack a clamping structure, resulting in decreased machining accuracy, poor surface quality, low efficiency, short tool life, numerous safety hazards, and limited applicability.
A floating tool with a motor and a pneumatic clamping assembly was designed, including an air valve, a top pin, a spring cover, a spring, and a pressure seat. The spindle is fixed by the pneumatic clamping assembly to ensure the tool is stable and reduce vibration and offset.
It improves machining accuracy and efficiency, extends tool life, enhances surface quality and safety, and adapts to complex machining needs.
Smart Images

Figure CN223811848U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of floating cutter, specifically relates to a floating cutter with clamping structure. BACKGROUND
[0002] Floating cutter is a kind of tool for precision machining, is widely used especially in deburring, chamfering, polishing and other processes.It adjusts position and angle automatically, adapts to the irregularity of workpiece surface, and ensures machining quality.
[0003] Floating cutter develops due to the demand of deburring and edge treatment, the development of automatic machining and the progress of precision machining technology.Its self-adaptive ability, high precision, multifunctionality, reducing machine tool load and improving efficiency make it widely used in automobile, aerospace, die manufacturing and other fields.
[0004] Traditional floating cutter lacks clamping structure, which will bring a series of problems, affect machining quality, efficiency and safety, and the specific performance is as follows: lacking clamping structure is easy to lead to cutter deviation or vibration, affect machining precision, cutter is not clamped and is easy to vibrate, leading to workpiece surface roughness, cutter instability will increase burr and surface flaw.
[0005] Therefore, the lack of clamping structure of floating cutter will lead to problems such as decreased machining precision, poor surface quality, low efficiency, short tool life, many safety hazards, poor consistency and limited application range.Therefore, clamping structure is crucial to ensure machining quality and safety. INVENTION CONTENTS
[0006] The utility model discloses a floating cutter with clamping structure, solves the above-mentioned problem.
[0007] Technical scheme: a floating cutter with clamping structure, the floating cutter includes motor, intermediate plate, shell, main shaft, shaft coupling and gas pressure clamping assembly;
[0008] The motor is fixedly installed at one end of the intermediate plate, the shell is fixedly installed at the other end of the intermediate plate, and the shell is internally cavity-shaped, one end of the shaft coupling is connected with the rotating shaft of the motor and located in the intermediate plate, the main shaft is located in the shell and one end is connected with the other end of the shaft coupling, and the gas pressure clamping assembly is installed in the shell and cooperates with the intermediate plate and the main shaft.
[0009] In further embodiments, the gas pressure clamping assembly includes a gas valve, a top pin, a spring cover, a spring and a pressure seat.
[0010] The gas valve is installed on the intermediate plate and communicates with the inside of the shell, the ejector pins are movably installed in the groove in the shell, the spring cover is installed in the shell and cooperates with the ejector pins, the pressure seat is located in the shell, and the springs are installed between the pressure seat and the spring cover.
[0011] In a further embodiment, the main shaft is installed in the shell through a ball bearing.
[0012] In a further embodiment, the main shaft is provided with a connecting sleeve and a screw, the main shaft is provided with a moving groove, the screw is fixedly connected with the connecting sleeve and located in the moving groove, and the end of the connecting sleeve is provided with a plurality of steel balls.
[0013] In a further embodiment, a compression spring is sleeved on the outer side of the main shaft, and the compression spring is located between the screw and the middle boss of the main shaft.
[0014] Beneficial effects: the utility model ensures that the cutter works stably and accurately during the machining process; the utility model discloses a pneumatic clamping assembly which ensures that the cutter is firmly fixed and prevents deviation or falling during machining. The main shaft power is effectively transmitted to the cutter, ensuring efficient cutting, improving machining efficiency and quality, and reducing cutter vibration through stable clamping, improving surface quality and prolonging cutter life; thus, the utility model discloses a pneumatic clamping assembly which fixes the cutter, transmits power, reduces vibration and automatically adjusts, improves machining precision, stability, efficiency and safety, prolongs the life of the cutter and the machine tool, and meets complex machining requirements. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is the axonometric view of the utility model.
[0016] Fig. 2 is the front view of the utility model.
[0017] Fig. 3 is the sectional view of the utility model.
[0018] Fig. 1 is a schematic view of the utility model. DETAILED DESCRIPTION
[0019] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
[0022] A floating cutter with clamping structure comprises a motor 1, an intermediate plate 2, a shell 3, a main shaft 4, a shaft coupling 5 and a pneumatic clamping assembly 6.
[0023] In one embodiment, as shown in Figs. 1-3 The motor 1 is fixedly installed at one end of the intermediate plate 2, the shell 3 is fixedly installed at the other end of the intermediate plate 2 and the inside of the shell 3 is in a cavity shape, one end of the shaft coupling 5 is connected with the rotating shaft of the motor 1 and located in the intermediate plate 2, the main shaft 4 is located in the shell 3 and one end is connected with the other end of the shaft coupling 5, and the pneumatic clamping assembly 6 is installed in the shell 3 and cooperates with the intermediate plate 2 and the main shaft 4.
[0024] In one embodiment, as shown in Figs. 1-3 The pneumatic clamping assembly 6 comprises an air valve 60, a top pin 61, a spring cover 62, a spring 63 and a pressure seat 64.
[0025] The air valve 60 is installed on the middle plate 2 and communicates with the inside of the shell 3, the ejector pin 61 is provided with a plurality of and movably installed in the groove in the shell 3, the spring cover 62 is installed in the shell 3 and cooperates with the ejector pin 61, the pressure seat 64 is located in the shell 3, and the spring 63 is provided with a plurality of and arranged between the pressure seat 64 and the spring cover 62.
[0026] In one embodiment, as shown in the drawings, the main shaft 4 is installed in the shell 3 through the ball bearing 65. Figs. 1-3
[0027] In one embodiment, as shown in the drawings, the main shaft 4 is installed in the shell 3 through the ball bearing 65. Figs. 1-3
[0028] In one embodiment, as shown in the drawings, the main shaft 4 is installed in the shell 3 through the ball bearing 65. Figs. 1-3
[0029] Working principle: driven by the motor 1, the shaft coupling 5 directly drives the main shaft 4 to rotate, and the shaft coupling device is provided with a pneumatic clamping device, when the gas enters the shell 3 through the air valve 60 to push the ejector pin 61, the ejector pin 61 presses the spring cover 62, and then the spring 63 pushes the pressure seat 64 to clamp the main shaft 4, so that the clamping steel ball 69 loosens the clamped tool, when the gas pressure is withdrawn, under the counter pressure of the compression spring 70 of the main shaft 4, the steel ball 69 is reset to clamp the tool.
[0030] Obviously, the above embodiments are only examples for clearly illustrating, and not limited to the embodiments. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.
Claims
1. A floating cutter with a clamping structure, characterized by, The floating cutter comprises a motor, an intermediate plate, a shell, a main shaft, a shaft coupling and a pneumatic clamping assembly. The motor is fixedly installed at one end of the intermediate plate, the shell is fixedly installed at the other end of the intermediate plate and has a cavity inside, one end of the shaft coupling is connected with a rotating shaft of the motor and located in the intermediate plate, the main shaft is located in the shell and one end of the main shaft is connected with the other end of the shaft coupling, and the pneumatic clamping assembly is installed in the shell and cooperates with the intermediate plate and the main shaft.
2. The floating cutter with clamping structure according to claim 1, characterized in that, The pneumatic clamping assembly comprises a gas valve, a top pin, a spring cover, a spring and a pressure seat. The gas valve is installed on the intermediate plate and communicates with the inside of the shell, the top pin is movably installed in a groove in the shell, the spring cover is installed in the shell and cooperates with the top pin, the pressure seat is located in the shell, and the spring is arranged between the pressure seat and the spring cover.
3. The floating cutter with clamping structure according to claim 1, wherein, The main shaft is installed in the shell through a ball bearing.
4. The floating cutter with clamping structure according to claim 1, wherein, The main shaft is provided with a connecting sleeve and a screw, a moving groove is arranged on the main shaft, the screw is fixedly connected with the connecting sleeve and located in the moving groove, and the end of the connecting sleeve is provided with a plurality of steel balls.
5. The floating cutter with clamping structure according to claim 4, wherein, A compression spring is sleeved on the outside of the main shaft and located between the screw and a middle boss of the main shaft.