A CNC finish machining lathe device

CN224779895UActive Publication Date: 2026-09-22SHENZHEN BAOXING PRECISION HARDWARE CO LTD
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Patent Information

Application Number
CN202522321605.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-31
Publication Date
2026-09-22
Estimated Expiration
2035-10-31

AI Technical Summary

Technical Problem

[0003]在换刀环节,现有CNC车床存在明显技术矛盾:传统普通CNC车床多依赖人工换刀,操作人员需手动拆卸旧刀具、安装新刀具并进行校准,单次换刀耗时通常达3-5分钟,不仅中断加工流程、降低生产效率,还易因人工操作误差影响加工精度;而高端CNC车床虽采用链式刀库实现自动换刀,换刀时间缩短至1-2秒/把,但其刀库结构复杂、制造成本高,配套的驱动与控制系统价格昂贵,单台设备成本较传统车床高出30%-50%,且维护难度大、费用高,难以在中小批量生产或中小型制造企业中广泛普及,形成“效率低”与“成本高”的两难困境

Benefits of technology

[0013]本申请实施例提供的技术方案可以包括以下有益效果:本申请设计了一种CNC精加工加工车床装置

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Abstract

The utility model discloses a kind of CNC finish machining lathe device, including base;Clamping mechanism, the clamping mechanism is fixedly installed on the left side of base upper surface;Tool changing mechanism, the tool changing mechanism includes the guide rail one fixedly installed on the right side of base upper surface, the upper surface sliding connection of guide rail one has sliding block, the upper surface sliding connection of sliding block has sliding seat, the outer wall sliding connection of mounting boss has a plurality of tool holder, the upper wall screw thread connection of screw rod is connected on the lower end of tool holder, the cutter is fixedly installed in the inside of mounting groove by bolt, cutter is rotated and switched by motor two drive mounting base plate, motor three drive sliding block precision tool feeding, realize the automation of tool changing process, without manual intervention. And tool changing positioning relies on the cooperation of servo motor and linear guide rail, avoids the problems such as clamping deflection, calibration deviation that artificial operation can generate, guarantees the stability of machining precision, while greatly shorten tool changing time consumption, reduce processing process interruption.
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Description

Technical Field

[0001] This utility model relates to the field of lathe technology, and in particular to a CNC precision machining lathe device. Background Technology

[0002] CNC precision machining lathes are core equipment in modern precision manufacturing. Relying on the collaborative work of key components such as the CNC system, servo drive, spindle, and tooling system, they achieve high-precision turning, milling, and drilling of materials such as metals. Through programmed instructions, they precisely control each moving part, achieving positioning accuracy and repeatability down to the micrometer level, meeting the machining needs of complex precision parts in fields such as automotive manufacturing, medical devices, and aerospace. These machines are typically equipped with a turret or tool magazine for tool storage, and combined with a cooling system and bed structure, they significantly improve production automation while ensuring stable machining quality, becoming a key piece of equipment replacing traditional manual lathes and driving the upgrading of the manufacturing industry.

[0003] In the tool changing process, existing CNC lathes present significant technical contradictions: traditional ordinary CNC lathes mostly rely on manual tool changing, requiring operators to manually remove old tools, install new tools, and perform calibration. A single tool change typically takes 3-5 minutes, which not only interrupts the machining process and reduces production efficiency but also easily affects machining accuracy due to human error. While high-end CNC lathes use chain-type tool magazines to achieve automatic tool changing, reducing the tool changing time to 1-2 seconds per tool, their tool magazine structure is complex and manufacturing costs are high. The supporting drive and control systems are also expensive, with the cost of a single unit being 30%-50% higher than that of traditional lathes. Furthermore, they are difficult and costly to maintain, making it difficult to widely adopt in small-batch production or small and medium-sized manufacturing enterprises, thus creating a dilemma of "low efficiency" and "high cost".

[0004] Therefore, this application provides a CNC finishing lathe apparatus. Utility Model Content

[0005] This invention provides a CNC precision machining lathe device that enables rapid automatic tool changing while controlling equipment costs, thus ensuring machining accuracy and production efficiency.

[0006] This utility model provides a CNC precision machining lathe device, comprising: A CNC finishing lathe apparatus, characterized in that it comprises: Base; A clamping mechanism is fixedly installed on the left side of the upper surface of the base; The tool changing mechanism includes a guide rail fixedly mounted on the right side of the upper surface of the base. A slider is slidably connected to the upper surface of the guide rail, and a slide block is slidably connected to the upper surface of the slider. A mounting base plate is provided on the upper surface of the slide block, and multiple equally spaced mounting bosses are provided on the upper surface of the mounting base plate. Multiple tool holders are slidably connected to the outer wall of the mounting bosses. A screw is threaded to the upper wall of the lower end of the tool holder. Two symmetrically arranged mounting slots are opened on one side of the upper end of the tool holder, and a tool is fixedly mounted inside the mounting slot by bolts. A protective mechanism is fixedly installed on the upper surface of the clamping mechanism.

[0007] In a CNC precision machining lathe device according to an embodiment of the present invention, a motor is fixedly installed on one side of the guide rail, a lead screw is rotatably connected inside the guide rail, the output shaft of the motor is fixedly connected to one side of the lead screw, and the lead screw is threadedly connected to the slider.

[0008] In a CNC precision machining lathe device according to an embodiment of the present invention, a second motor is fixedly installed in the center of the slide block, the output shaft end of the second motor is fixedly connected to the lower wall of the mounting base plate, and a cylinder is fixedly installed on one side of the slide block, with the output shaft of the cylinder fixedly connected to one side of the slide block.

[0009] In a CNC precision machining lathe device according to an embodiment of the present invention, the clamping mechanism includes a mounting bracket fixedly installed on the upper surface of the base. A three-jaw chuck is rotatably connected to the side of the mounting bracket near the guide rail. A motor is fixedly connected to one side of the mounting bracket. A transmission belt is provided between the output shaft of the motor and the three-jaw chuck located on the inner side of the mounting bracket.

[0010] In a CNC precision machining lathe device according to an embodiment of the present invention, the protective mechanism includes a support frame fixedly installed on the upper surface of the mounting frame. Two symmetrically arranged guide rails are fixedly installed on the upper end of the support frame. A movable seat is slidably connected to the upper end of each of the two guide rails. A protective door is fixedly installed on one side of the movable seat through a torque hinge.

[0011] In a CNC precision machining lathe device according to one embodiment of the present invention, an observation window is fixedly installed on the upper outer wall of the protective door.

[0012] In a CNC precision machining lathe device according to an embodiment of the present invention, a control panel is fixedly installed on the lower outer wall of the protective door. The control panel is provided with control buttons and a display screen on the outside, and a control circuit board and a battery are provided inside the control panel. The control panel is electrically connected to motor one, motor two and motor three.

[0013] The technical solution provided in this application embodiment may include the following beneficial effects: This application designs a CNC precision machining lathe device.

[0014] 1. The simplified structural design of "mounting base plate + mounting boss + tool holder" eliminates the need for expensive drive and control systems, while reducing the need for maintenance of complex components in later maintenance. The overall structure is easier to manufacture and maintain, effectively reducing equipment purchase and usage costs, and is more suitable for the budget and usage scenarios of small and medium batch production enterprises or small and medium-sized manufacturing plants.

[0015] 2. This device automates the tool changing process by using a two-motor driven base plate to rotate and a three-motor driven slider to precisely feed the tool. This eliminates the need for manual intervention. Furthermore, tool changing positioning relies on the coordination of a servo motor and a linear guide rail, avoiding problems such as clamping misalignment and calibration deviations that can occur with manual operation. This ensures the stability of machining accuracy and significantly reduces tool changing time, minimizing interruptions in the machining process.

[0016] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of an embodiment of this application; Figure 2 This is a schematic diagram of the structure of the protective mechanism in an embodiment of this application; Figure 3 This is a schematic diagram of the tool changing mechanism in the embodiments of this application; Figure 4 This is a schematic diagram of the protective mechanism in the embodiments of this application. Detailed Implementation

[0019] 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, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] The following detailed description of some embodiments of this application is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0022] Example

[0023] like Figures 1 to 4 As shown, this application provides a CNC finishing lathe apparatus, comprising: Base 10 serves as the connection base for the various components.

[0024] The clamping mechanism 20 is fixedly installed on the left side of the upper surface of the base 10, and the workpiece to be processed is driven to rotate for processing through the clamping mechanism 20.

[0025] In an optional embodiment, the clamping mechanism 20 includes a mounting frame 21 fixedly mounted on the upper surface of the base 10. A three-jaw chuck 22 is rotatably connected to the side of the mounting frame 21 near the guide rail 31. A motor 23 is fixedly connected to one side of the mounting frame 21. A transmission belt is provided between the output shaft of the motor 23 and the side of the three-jaw chuck 22 located inside the mounting frame 21. The workpiece is clamped and fixed by the three-jaw chuck 22, and the three-jaw chuck 22 is driven to rotate by the operation of the motor 23.

[0026] The tool changing mechanism 30 includes a guide rail 31 fixedly installed on the right side of the upper surface of the base 10. A slider 32 is slidably connected to the upper surface of the guide rail 31. A slide block 33 is slidably connected to the upper surface of the slider 32. A mounting base plate 36 is provided on the upper surface of the slide block 33. Multiple equally spaced mounting bosses 37 are provided on the upper surface of the mounting base plate 36. Multiple tool holders 38 are slidably connected to the outer wall of the mounting bosses 37. A screw is threaded to the upper wall of the lower end of the tool holder 38. Two symmetrically arranged mounting slots 39 are opened on one side of the upper end of the tool holder 38. A tool 310 is fixedly installed in the mounting slot 39 by bolts.

[0027] After adopting the above technical solution, during CNC machining, the workpiece is clamped by the clamping mechanism 20, and all the tools required for machining are fixedly installed in the mounting slot 39 by bolts. Since the number of different types of tools required for a single workpiece during machining is relatively small, the tool holder 38 installed on the mounting boss 37 can meet the machining requirements. During machining, the clamping mechanism 20 drives the workpiece to rotate at high speed, and at the same time, the tool changing mechanism 30 moves the tool to contact the workpiece to perform cutting, milling and other operations. When the tool needs to be changed, the cylinder 34 drives the slide 33 to move along the slider 32, thereby moving the tools at different positions on the upper surface of the mounting base plate 36 to one side of the workpiece, thus realizing the quick change of tools without manual shutdown. At the same time, the equipment has a simple structure and has the advantage of low cost compared with the chain tool magazine.

[0028] In one optional embodiment, a motor 311 is fixedly installed on one side of the guide rail 31, and a lead screw 312 is rotatably connected inside the guide rail 31. The output shaft of the motor 311 is fixedly connected to one side of the lead screw 312, and the lead screw 312 is threadedly connected to the slider 32. The motor 311 drives the lead screw 312 to rotate, thereby allowing the slider 32 to move left and right along the guide rail 31.

[0029] In one optional embodiment, a second motor 35 is fixedly installed at the center of the slide block 33. The output shaft end of the second motor 35 is fixedly connected to the lower wall of the mounting base plate 36. A cylinder 34 is fixedly installed on one side of the slider 32. The output shaft of the cylinder 34 is fixedly connected to one side of the slide block 33. The second motor 35 drives the mounting base plate 36 to rotate, so that the tool on the other side of the upper surface of the mounting base plate 36 moves to contact the workpiece. This allows tools to be installed on both sides of the upper surface of the mounting base plate 36, expanding the tool capacity of the mounting base plate 36 to meet different process requirements.

[0030] The protective mechanism 40 is fixedly installed on the upper surface of the clamping mechanism 20 and provides protection during workpiece processing.

[0031] In an optional embodiment, the protective mechanism 40 includes a support frame 41 fixedly installed on the upper surface of the mounting frame 21. Two symmetrically arranged guide rails 42 are fixedly installed on the upper end of the support frame 41. A movable seat 43 is slidably connected to the upper end of each of the two guide rails 42. A protective door 44 is fixedly installed on one side of the movable seat 43 by a torque hinge. During the processing, the protective door 44 is moved to the workpiece processing area by pulling the movable seat 43, thereby preventing the chips and cutting fluid generated during processing from splashing onto the workers. After the processing is completed, the movable seat 43 can be pushed back to its original position, or the lathe can be repaired or replaced by flipping the protective door 44 upward.

[0032] In one optional embodiment, an observation window 46 is fixedly installed on the upper outer wall of the protective door 44, through which the status of the workpiece during processing can be observed.

[0033] In one optional embodiment, a control panel 45 is fixedly installed on the lower outer wall of the protective door 44. The control panel 45 has control buttons and a display screen on its outer side, and a control circuit board and a battery are installed inside the control panel 45. The control panel 45 is electrically connected to motor 1 23, motor 2 35 and motor 311. The control panel 45 controls the automatic start and stop of motor 1 23, motor 2 35 and motor 311 to realize operations such as automatic tool changing.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, and they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0035] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0036] The foregoing disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described above. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0037] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A CNC precision machining lathe apparatus, characterized in that, include: Base; A clamping mechanism is fixedly installed on the left side of the upper surface of the base; The tool changing mechanism includes a guide rail fixedly mounted on the right side of the upper surface of the base. A slider is slidably connected to the upper surface of the guide rail, and a slide block is slidably connected to the upper surface of the slider. A mounting base plate is provided on the upper surface of the slide block. Multiple equally spaced mounting bosses are provided on the upper surface of the mounting bosses. Multiple tool holders are slidably connected to the outer wall of the mounting bosses. A screw is threaded to the upper wall of the lower end of the tool holder. Two symmetrically arranged mounting slots are opened on one side of the upper end of the tool holder. Tools are fixedly installed in the mounting slots by bolts. A protective mechanism is fixedly installed on the upper surface of the clamping mechanism.

2. The CNC precision machining lathe apparatus according to claim 1, characterized in that, A motor is fixedly installed on one side of the guide rail, and a lead screw is rotatably connected inside the guide rail. The output shaft of the motor is fixedly connected to one side of the lead screw, and the lead screw is threadedly connected to the slider.

3. The CNC precision machining lathe apparatus according to claim 1, characterized in that, A second motor is fixedly installed at the center of the slide block. The output shaft of the second motor is fixedly connected to the lower wall of the mounting base. A cylinder is fixedly installed on one side of the slider. The output shaft of the cylinder is fixedly connected to one side of the slide block.

4. The CNC precision machining lathe apparatus according to claim 1, characterized in that, The clamping mechanism includes a mounting frame fixedly installed on the upper surface of the base. A three-jaw chuck is rotatably connected to the mounting frame near the guide rail. A motor is fixedly connected to one side of the mounting frame. A transmission belt is provided between the output shaft of the motor and the three-jaw chuck located inside the mounting frame.

5. The CNC finishing lathe apparatus according to claim 4, characterized in that, The protective mechanism includes a support frame fixedly installed on the upper surface of the mounting frame. Two symmetrically arranged guide rails are fixedly installed on the upper end of the support frame. A movable seat is slidably connected to the upper end of each of the two guide rails. A protective door is fixedly installed on one side of the movable seat through a torque hinge.

6. The CNC finishing lathe apparatus according to claim 5, characterized in that, An observation window is fixedly installed on the upper outer wall of the protective door.

7. The CNC finishing lathe apparatus according to claim 5, characterized in that, A control panel is fixedly installed on the lower outer wall of the protective door. The control panel has control buttons and a display screen on its outer side, and a control circuit board and a battery inside. The control panel is electrically connected to motor one, motor two and motor three.