Self-centering clamp for fastener machining
By combining a servo motor-driven self-centering fixture with a micro cylinder clamping assembly, the problem that existing fixtures can only fix fasteners of fixed sizes is solved, achieving stable clamping of fasteners of different sizes and improving processing quality.
Patent Information
- Application Number
- CN202422743419.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Existing fastener clamps can only fix fasteners of fixed sizes and cannot adapt to fasteners of different sizes, which reduces the practicality of the clamps.
The self-centering fixture driven by a servo motor, combined with a miniature cylinder and clamping components, achieves stable clamping of fasteners of different sizes through the cooperation of limit pins, limit rings and limit springs, and improves adaptability by using ball bearings and rolling connections.
It achieves stable clamping of fasteners of different sizes, improving processing quality and practicality of the fixture.
Smart Images
Figure CN223455835U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of self-centering clamps, in particular to a self-centering clamp for fastener machining. BACKGROUND
[0002] Fasteners are widely used mechanical parts for fastening connection. Fasteners are widely used in various industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mold, hydraulic industry and other industries. Fasteners can be seen in various mechanical equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments and products, etc. Fasteners are the most widely used mechanical basic parts.
[0003] In the use of fastener machining, some existing fastener clamps can only fix fasteners of fixed size, and cannot be used for fasteners of different sizes, reducing the overall practicality of the clamp. Therefore, the self-centering clamp for fastener machining is proposed to solve the above problems. SUMMARY
[0004] In this embodiment, a self-centering clamp for fastener machining is provided to solve the problem that in the use of fastener machining, some existing fastener clamps can only fix fasteners of fixed size, and cannot be used for fasteners of different sizes, reducing the overall practicality of the clamp.
[0005] According to one aspect of the application, a self-centering clamp for fastener machining is provided, comprising a fixed seat, a mounting leg, a servo motor, a machining table and a clamping assembly. The fixed seat is fixedly connected with a mounting leg at the bottom end. The fixed seat is fixedly installed with a servo motor at the bottom side. The output end of the servo motor is connected with a rotating shaft. The rotating shaft is fixedly connected with a machining table at the top end. The machining table is provided with a placing groove on the surface. The clamping assembly is placed in the placing groove.
[0006] Further, the number of mounting legs is four, and the four mounting legs are arranged at the four corner positions of the bottom side of the fixed seat.
[0007] Further, the top surface of the fixed seat is rollingly connected with a ball. The top side of the ball is rollingly attached to the bottom side of the machining table.
[0008] Further, the clamping assembly comprises a micro air cylinder, a fixed shell, a guide column, a limiting column, a limiting ring, a limiting spring and a clamping plate. The micro air cylinder is fixedly installed in the machining table. The output end of the micro air cylinder is fixedly connected with a fixed shell. The bottom side of the fixed shell is fixedly connected with a guide column. The inner wall surface of the fixed shell is provided with a receiving groove. The side surface of the fixed shell is slidingly connected with a limiting column. The distal end of the limiting column is fixedly connected with a clamping plate. The surface of the limiting column is fixedly sleeved with a limiting ring. The side surface of the limiting ring is fixedly installed with a limiting spring.
[0009] Further, the number of placement slots is several, and the bottom side of the placement slots is in communication with a guide groove in the machining table, and a guide column is slidably connected in the inner cavity of the guide groove.
[0010] Further, three limiting columns are slidably penetrated through the side surface of the fixed shell, the three limiting columns are in a triangular shape distribution on the side surface of the fixed shell, a limiting spring is sleeved on the surface of the limiting column, and the end of the limiting spring is fixedly connected with the outer side surface of the fixed shell.
[0011] Through the above-mentioned embodiments of the present application, the servo motor and the clamping assembly are adopted, and the problem that the existing fastener clamps can only fix fasteners of fixed size and cannot be applied to fasteners of different sizes, reducing the practicability of the clamps as a whole, is solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description only represent some embodiments of the present application.
[0013] Fig. 1 It is an overall perspective structure schematic view of one embodiment of the present application;
[0014] Fig. 2 It is an overall bottom view perspective schematic view of one embodiment of the present application;
[0015] Fig. 3 It is a front view cross-section connection schematic view of one embodiment of the present application.
[0016] In the figure: 1, fixed seat; 2, mounting leg; 3, servo motor; 4, rotating shaft; 5, ball; 6, machining table; 601, placement slot; 602, guide groove; 7, micro pneumatic cylinder; 8, guide column; 9, fixed shell; 901, storage groove; 10, limiting column; 11, limiting ring; 12, limiting spring; 13, clamping plate. DETAILED DESCRIPTION
[0017] In order to make the personnel in the technical field better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only represent some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the personnel in the field without creative labor should belong to the protection scope of the present application.
[0018] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and the above drawings are intended to distinguish similar objects and are not necessarily used to describe a particular sequential or chronological order. It should be understood that the data thus used can be interchanged, where appropriate, to describe the embodiments of the present application described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or apparatus that includes a list of steps or units is not necessarily limited to those steps or units clearly identified, but can include other steps or units not clearly identified or inherent to such processes, methods, products or apparatus.
[0019] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a particular orientation, or to be constructed and operated in a particular orientation.
[0020] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.
[0021] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or a monolithic structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. 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.
[0022] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.
[0023] The self-centering fixture of the embodiments of the present application is introduced below.
[0024] Please refer to Figs. 1-3As shown, a self-centering fixture for fastener machining includes a fixed seat 1, mounting legs 2, a servo motor 3, a machining table 6 and a clamping assembly, the fixed seat 1 is fixedly connected with the mounting legs 2 at the bottom end, the fixed seat 1 is fixedly installed with the servo motor 3 at the bottom side, the servo motor 3 is connected with the rotating shaft 4 at the output end, the rotating shaft 4 is fixedly connected with the machining table 6 at the top end, the machining table 6 is provided with a placing groove 601 on the surface, and the clamping assembly is placed in the placing groove 601.
[0025] The number of mounting legs 2 is four, the four mounting legs 2 are arranged at the four corner positions of the bottom side of the fixed seat 1, the top side surface of the fixed seat 1 is rollingly connected with the ball 5, the top side of the ball 5 is rollingly attached to the bottom side of the machining table 6, the clamping assembly includes a micro-cylinder 7, a fixed shell 9, a guide column 8, a limiting column 10, a limiting ring 11, a limiting spring 12 and a clamping plate 13, the micro-cylinder 7 is fixedly installed in the machining table 6, the micro-cylinder 7 is fixedly connected with the fixed shell 9 at the output end, the fixed shell 9 is fixedly connected with the guide column 8 at the bottom side, the inner side wall surface of the fixed shell 9 is provided with a receiving groove 901, the fixed shell 9 is slidingly connected with the limiting column 10 at the side surface, the limiting column 10 is fixedly connected with the clamping plate 13 at the tail end, the limiting ring 11 is fixedly sleeved on the surface of the limiting column 10, the limiting spring 12 is fixedly installed on the side surface of the limiting ring 11, the number of placing grooves 601 is several, the several placing grooves 601 are annularly distributed on the top side of the machining table 6, the bottom side of the placing groove 601 is communicated with the guide groove 602 in the machining table 6, the guide column 8 is slidingly connected in the inner cavity of the guide groove 602, three limiting columns 10 are slidingly penetrated through the side surface of the fixed shell 9, the three limiting columns 10 are distributed in a triangular shape on the side surface of the fixed shell 9, the limiting spring 12 is sleeved on the surface of the limiting column 10, and the tail end of the limiting spring 12 is fixedly connected with the outer side surface of the fixed shell 9.
[0026] In use, the electrical components appearing in the application are all externally connected with power supply and control switch in use, the limiting column 10 is pulled, the limiting ring 11 is driven by the limiting column 10 to move, the limiting spring 12 is pulled by the limiting ring 11 to stretch, the fastener to be machined is placed in the fixed shell 9, the limiting column 10 is loosened, the limiting spring 12 drives the fixedly connected limiting ring 11 to move, the limiting column 10 drives the fixedly connected extrusion plate to move, the extrusion plate clamps the fastener, the micro-cylinder 7 is started at the same time, the micro-cylinder 7 drives the fixedly connected fixed shell 9 to move, the fixed shell 9 drives the limiting column 10 to move downward, the outer end of the limiting column 10 slides along the inner wall of the placing groove 601, the limiting column 10 extrudes the fixedly connected extrusion plate to move, the fastener in the fixed shell 9 is clamped and fixed, different sizes of fasteners are fixed and clamped, the fixing stability of the fastener is improved, subsequent machining is facilitated, and the machining quality is improved.
[0027] The application has the advantages that:
[0028] 1. The self-centering clamp for fastener machining has novel design and simple structure, the limiting column is pulled, the limiting ring is moved by the limiting column, the limiting spring is stretched by the limiting ring, the fastener to be machined is placed in the fixed shell, the limiting column is loosened, the limiting ring connected fixedly is moved by the limiting spring, the extrusion plate connected fixedly is moved by the limiting column, the extrusion plate clamps the fastener, the fixed shell connected fixedly is moved by the micro-cylinder, the fixed shell moves the limiting column downward, the outer end of the limiting column slides along the inner wall of the placing groove, the extrusion plate connected fixedly is moved by the limiting column, the fastener in the fixed shell is clamped and fixed, different sizes of fasteners are clamped and fixed, the fastener fixing stability is improved, the subsequent machining is facilitated, and the machining quality is improved.
[0029] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the application does not involve improvement of software and methods.
[0030] The preferred embodiments of the application are described above only, and are not used to limit the application. Those skilled in the art can make various changes and modifications to the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.
Claims
1. A self-centering fixture for fastener processing, characterized in that: Including fixed seat (1), installation support (2), servo motor (3), processing platform (6) and clamping assembly, the bottom end of the fixed seat (1) is fixedly connected with the installation support (2), the bottom side of the fixed seat (1) is fixedly installed with the servo motor (3), the output end of the servo motor (3) is connected with the rotating shaft (4), the top end of the rotating shaft (4) is fixedly connected with the processing platform (6), the surface of the processing platform (6) is provided with the placing groove (601), and the clamping assembly is placed in the placing groove (601).
2. The self-centering fixture for fastener machining according to claim 1, characterized in that: The number of the installation support (2) is four, and the four installation supports (2) are arranged at the four corner positions of the bottom side of the fixed seat (1).
3. The self-centering fixture for fastener machining according to claim 1, characterized in that: The top surface of the fixed seat (1) is rollingly connected with the ball (5), and the top side of the ball (5) is rollingly attached to the bottom side of the processing platform (6).
4. The self-centering fixture for fastener machining according to claim 1, characterized by: The clamping assembly comprises a micro air cylinder (7), a fixed shell (9), a guide column (8), a limiting column (10), a limiting ring (11), a limiting spring (12) and a clamping plate (13), the micro air cylinder (7) is fixedly installed in the processing platform (6), the output end of the micro air cylinder (7) is fixedly connected with the fixed shell (9), the bottom side of the fixed shell (9) is fixedly connected with the guide column (8), the inner wall surface of the fixed shell (9) is provided with the receiving groove (901), the side surface of the fixed shell (9) is slidably connected with the limiting column (10), the distal end of the limiting column (10) is fixedly connected with the clamping plate (13), the surface of the limiting column (10) is fixedly sleeved with the limiting ring (11), and the side surface of the limiting ring (11) is fixedly installed with the limiting spring (12).
5. The self-centering fixture for fastener machining according to claim 4, characterized in that: The number of the placing groove (601) is several, and the several placing grooves (601) are annularly distributed on the top side of the processing platform (6), the bottom side of the placing groove (601) is communicated with the guide groove (602) in the processing platform (6), and the guide groove (602) is slidably connected with the guide column (8).
6. The self-centering fixture for fastener machining according to claim 4, characterized in that: The side surface of the fixed shell (9) is slidably penetrated by three limiting columns (10), the three limiting columns (10) are distributed in a triangular shape on the side surface of the fixed shell (9), the surface of the limiting column (10) is sleeved with the limiting spring (12), and the distal end of the limiting spring (12) is fixedly connected with the outer side surface of the fixed shell (9).