A precision centerless lathe
Patent Information
- Application Number
- CN202522021837.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-19
- Publication Date
- 2026-08-18
- Estimated Expiration
- 2035-09-19
AI Technical Summary
传统的无心车床在加工过程中,常面临两大突出问题:一是加工产生的金属碎屑易堆积在工作区域,不仅需要人工频繁清理,增加了劳动强度,还可能因碎屑残留影响工件加工精度和设备运行稳定性,同时碎屑的分散收集也不利于资源回收利用,二是针对不同规格的金属棒料,夹持机构的调节精度和适配性不足,多采用手动调节或非对称传动结构,导致驱动轮间距调节不一致,影响金属棒料的同轴度和推进稳定性,难以满足高精度、多规格加工的需求,因此,亟需一种能实现碎屑自动化收集且具备高精度夹持调节功能的精密无心车床,以解决上述技术痛点
1、本实用新型通过装置内设置有前夹组件,通过第三电机控制链板输送机工作,通过链板输送机将掉落的金属碎屑承接,金属碎屑通过链板输送机输送至抽屉盒内,能够实现对车床加工碎屑的自动化收集,便于保持车床内部不受碎屑影响,保证工件加工质量和稳定性,便于后续对金属碎屑进行集中回收与再利用,降低材料浪费,减少人工清理碎屑的频次与劳动强度,提升整体加工效率。
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Figure CN224642963U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal processing equipment technology, and in particular to a precision centerless lathe. Background Technology
[0002] In the machinery manufacturing industry, centerless lathes are key equipment for processing metal bars and are widely used in the processing of shaft parts in the fields of automobiles, aerospace, and precision instruments. Traditional centerless lathes often face two major problems during machining: First, the metal shavings generated during machining tend to accumulate in the working area, requiring frequent manual cleaning, increasing labor intensity, and potentially affecting workpiece machining accuracy and equipment operational stability due to shaving residue. Furthermore, the dispersed collection of shavings hinders resource recycling. Second, the clamping mechanism lacks sufficient adjustment precision and adaptability for metal bars of different specifications, often employing manual adjustment or asymmetrical transmission structures. This results in inconsistent adjustment of the drive wheel spacing, affecting the coaxiality and propulsion stability of the metal bars, making it difficult to meet the demands of high-precision, multi-specification machining. Therefore, there is an urgent need for a precision centerless lathe capable of automated shaving collection and high-precision clamping adjustment to address these technical pain points. Utility Model Content
[0003] The purpose of this invention is to provide a precision centerless lathe to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: Design a precision centerless lathe, including a machining table, a front clamping assembly, a spindle, a middle and rear guide, a material extraction carriage, and a cleaning assembly. The front clamping assembly is located on the upper left side of the machining table. The spindle, the middle and rear guide, and the material extraction carriage are arranged sequentially on the right side of the front clamping assembly. The cleaning assembly is installed inside the machining table and located at the lower end of the spindle. The impurity removal component includes a chain conveyor and a drawer box. A third motor is connected to the outside of the chain conveyor. Several drainage holes are opened on the surface of the chain conveyor. The drawer box is located directly below the chain conveyor and has an outer handle fixed to its outer end.
[0005] Preferably, the front clamping assembly includes a mounting base, a lower motor, an upper rack, a lower rack, and a gear. The mounting base is fixed to the upper end of the machining table. Three sets of telescopic rods are fixed to the top of the mounting base. The driving ends of the telescopic rods are located inside the mounting base and connected to the upper motor. The lower motor is symmetrically arranged with the upper motor. The driving ends of the upper motor and the lower motor extend to the outside of the mounting base and are respectively connected to driving wheels.
[0006] Preferably, an upper rack and a lower rack are fixed to the inner sides of the upper motor and the lower motor, respectively, and a gear meshes between the upper rack and the lower rack, with the gear rotating within the mounting base.
[0007] Preferably, the front end of the mounting base is provided with three sets of guide grooves, and the drive ends of the upper motor and the lower motor are respectively located in the corresponding guide grooves.
[0008] Preferably, the upper surface of the processing table is provided with an installation groove, the chain conveyor is embedded and fixed in the upper end of the installation groove, and the drawer box is movably inserted into the installation groove from the front end and located at the lower end of the installation groove.
[0009] Preferably, the chain conveyor is provided with several horizontal baffles at equal intervals on its surface, and multiple sets of drainage holes are evenly opened between adjacent horizontal baffles.
[0010] Preferably, the spindle is driven by a main drive via a synchronous belt to produce a precision and high-speed rotation of a cutter head equipped with four adjustable tools.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model features a front clamping assembly within the device. A third motor controls the operation of a chain conveyor, which collects falling metal scraps and transports them to a drawer box. This enables automated collection of lathe machining scraps, keeping the lathe's interior unaffected by scraps, ensuring workpiece machining quality and stability, facilitating subsequent centralized recycling and reuse of metal scraps, reducing material waste, decreasing the frequency and labor intensity of manual scrap cleaning, and improving overall processing efficiency.
[0012] 2. This utility model incorporates a cleanup component within the device. A telescopic rod drives an upper motor to rise and fall, which in turn drives an upper rack to rise and fall. The upper rack, through a gear, drives a lower rack, which in turn moves the lower motor in the opposite direction. This allows for adjustment of the distance between the upper and lower drive wheels, facilitating the clamping and pushing of metal bars of different specifications. This improves the adaptability and processing stability of the equipment. The symmetrical gear and rack transmission structure ensures consistent adjustment accuracy of the upper and lower drive wheels, guaranteeing coaxiality during metal bar clamping.
[0013] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents. Attached Figure Description
[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure according to the present utility model; Figure 2 This is an exploded view of the overall structure according to this utility model; Figure 3 An exploded view of the front clamp assembly according to this utility model; Figure 4 This is an exploded view of the impurity removal component according to the present invention.
[0015] In the diagram: 1. Machining table; 11. Mounting slot; 2. Front clamping assembly; 21. Mounting base; 22. Telescopic rod; 23. Upper motor; 24. Lower motor; 25. Drive wheel; 26. Upper rack; 27. Lower rack; 28. Gear; 29. Guide groove; 3. Main shaft; 4. Middle and rear guide components; 5. Material extraction trolley; 6. Impurity removal assembly; 61. Chain conveyor; 62. Third motor; 63. Horizontal baffle; 64. Drain hole; 65. Drawer box; 66. External handle. Detailed Implementation
[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0017] like Figure 1-4 As shown, this embodiment provides a precision centerless lathe, including a machining table 1, a front clamping assembly 2, a spindle 3, a middle and rear guide 4, a material extraction carriage 5, and a cleaning assembly 6. The front clamping assembly 2 is located on the upper left side of the machining table 1, and the spindle 3, the middle and rear guide 4, and the material extraction carriage 5 are arranged sequentially on the right side of the front clamping assembly 2. The cleaning assembly 6 is installed inside the machining table 1 and located at the lower end of the spindle 3. The spindle 3 is driven by the main drive through a synchronous belt to generate a precision and high-speed rotational motion of a tool head equipped with four adjustable tools. In this embodiment, the impurity removal component 6 includes a chain conveyor 61 and a drawer box 65. A third motor 62 is connected to the outside of the chain conveyor 61. Several drainage holes 64 are opened on the surface of the chain conveyor 61. The drawer box 65 is located directly below the chain conveyor 61 and has an outer handle 66 fixed to its outer end. An installation groove 11 is opened on the upper surface of the processing table 1. The chain conveyor 61 is embedded and fixed in the upper end of the installation groove 11. The drawer box 65 is movably inserted into the installation groove 11 from the front end and is located at the lower end of the installation groove 11. Several horizontal baffles 63 are evenly spaced on the surface of the chain conveyor 61, and there are evenly spaced gaps between adjacent horizontal baffles 63. There are multiple sets of drainage holes 64. The chain conveyor 61 is controlled by a third motor 62 to collect falling metal chips. The metal chips are then transported to the drawer box 65 by the chain conveyor 61. This enables automated collection of lathe machining chips, keeping the lathe interior free from chip interference, ensuring workpiece machining quality and stability, facilitating subsequent centralized recycling and reuse of metal chips, reducing material waste, decreasing the frequency and labor intensity of manual chip cleaning, improving overall machining efficiency, extending the lathe's service life, and keeping the machining area clean and orderly.
[0018] In this embodiment, the front clamping assembly 2 includes a mounting base 21, a lower motor 24, an upper rack 26, a lower rack 27, and a gear 28. The mounting base 21 is fixed to the upper end of the processing table 1. Three sets of telescopic rods 22 are fixed to the top of the mounting base 21. The driving ends of the telescopic rods 22 are located inside the mounting base 21 and connected to the upper motor 23. The lower motor 24 is symmetrically arranged with the upper motor 23. The driving ends of the upper motor 23 and the lower motor 24 extend to the outside of the mounting base 21 and are respectively connected to the drive wheels 25. The upper rack 26 and the lower rack 27 are respectively fixed inside the upper motor 23 and the lower motor 24. A gear 28 meshes between the upper rack 26 and the lower rack 27, and the gear 28 rotates within the mounting base 21. Three sets of... The upper motor 23 and the lower motor 24 are respectively located in the guide groove 29. The upper motor 23 is driven to rise and fall by the telescopic rod 22. The upper motor 23 drives the upper rack 26 to rise and fall. The upper rack 26 drives the lower rack 27 to move through the gear 28, which in turn drives the lower motor 24 to move in the opposite direction. The upper motor 23 and the lower motor 24 drive the outer drive wheel 25 to rotate, which can realize the adjustment of the distance between the upper and lower drive wheels 25. This facilitates the clamping and pushing of metal bars of different specifications, improves the adaptability and processing stability of the equipment, and ensures that the adjustment accuracy of the upper and lower drive wheels 25 is consistent through the symmetrical gear 28 rack transmission structure, thus ensuring the coaxiality of the metal bars during clamping.
[0019] The working principle and process of this utility model are as follows: When in use, the metal rod is placed between the upper and lower drive wheels 25 of the front clamping assembly 2. The upper motor 23 is driven to rise and fall by the telescopic rod 22, which drives the upper rack 26 to move. Through the meshing transmission of the gear 28, the lower rack 27 drives the lower motor 24 to move in the opposite direction. The distance between the drive wheels 25 is adjusted to fit the metal rod. The upper motor 23 and the lower motor 24 are started to drive the metal rod forward. The main shaft 3 is driven by the main drive through the synchronous belt to rotate the cutter head with four adjustable tools at high speed and precision for processing. The metal chips generated during processing are received by the chain plate conveyor 61 and driven by the third motor 62 to be transported to the lower drawer box 65 for collection. The drain hole 64 can drain excess liquid. The entire process realizes automated processing and chip handling.
[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0021] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.
Claims
1. A precision centerless lathe, characterized in that, The assembly includes a processing table (1), a front clamping assembly (2), a spindle (3), a middle and rear guide (4), a material extraction trolley (5), and a cleaning assembly (6). The front clamping assembly (2) is located on the upper left side of the processing table (1). The spindle (3), the middle and rear guide (4), and the material extraction trolley (5) are arranged sequentially on the right side of the front clamping assembly (2). The cleaning assembly (6) is installed inside the processing table (1) and located at the lower end of the spindle (3). The impurity removal component (6) includes a chain conveyor (61) and a drawer box (65). A third motor (62) is connected to the outside of the chain conveyor (61). Several drainage holes (64) are opened on the surface of the chain conveyor (61). The drawer box (65) is located directly below the chain conveyor (61) and has an outer handle (66) fixed at its outer end.
2. The precision centerless lathe according to claim 1, characterized in that: The front clamping assembly (2) includes a mounting base (21), a lower motor (24), an upper rack (26), a lower rack (27), and a gear (28). The mounting base (21) is fixed on the upper end of the processing table (1). Three sets of telescopic rods (22) are fixed on the top of the mounting base (21). The driving end of the telescopic rod (22) is located inside the mounting base (21) and is connected to the upper motor (23). The lower motor (24) is symmetrically arranged with the upper motor (23). The driving ends of the upper motor (23) and the lower motor (24) extend to the outside of the mounting base (21) and are respectively connected to drive wheels (25).
3. A precision centerless lathe according to claim 2, characterized in that: The upper motor (23) and the lower motor (24) are respectively fixed with an upper rack (26) and a lower rack (27). A gear (28) meshes between the upper rack (26) and the lower rack (27), and the gear (28) rotates within the mounting base (21).
4. A precision centerless lathe according to claim 2, characterized in that: The mounting base (21) has three sets of guide grooves (29) at its front end, and the driving ends of the upper motor (23) and the lower motor (24) are respectively located in the corresponding guide grooves (29).
5. A precision centerless lathe according to claim 1, characterized in that: The processing table (1) has an installation groove (11) on its upper surface. The chain conveyor (61) is embedded and fixed in the upper end of the installation groove (11). The drawer box (65) is movably inserted into the installation groove (11) from the front end and is located at the lower end of the installation groove (11).
6. A precision centerless lathe according to claim 1, characterized in that: The chain conveyor (61) has several horizontal baffles (63) evenly spaced on its surface, and multiple sets of drainage holes (64) are evenly opened between adjacent horizontal baffles (63).
7. A precision centerless lathe according to claim 1, characterized in that: The main shaft (3) is driven by the main drive via a synchronous belt to produce a precise and high-speed rotation of the cutter head equipped with four adjustable tools.