Milling, drilling and boring multi-station vertical machining center tool with precise positioning and rapid clamping functions

Abstract

The utility model discloses a milling, drilling and boring multi-station vertical machining center tool capable of accurately positioning and quickly clamping, which comprises a bottom plate, a plurality of pairs of fastening components are arranged on the bottom plate, and an inner hole expansion clamping device is arranged in each fastening component. The utility model provides a machining tool for simultaneously milling, drilling and boring a plurality of flow distributors of a vertical machining center, ensures the machining precision through a positioning device, and aims to improve the machining efficiency, reduce the production cost and obviously improve the machining efficiency.

Description

Technical Field

[0001] This utility model relates to a tooling for a multi-station vertical machining center with precise positioning and rapid clamping for milling, drilling, and boring. It is suitable for simultaneously fixing multiple workpieces for efficient milling, drilling, and boring, and belongs to the field of mechanical processing technology. Background Technology

[0002] Traditional vertical machining centers typically require individual workpiece clamping for multi-part milling, drilling, and boring operations, resulting in low efficiency and difficulty in guaranteeing positioning accuracy. Ordinary tooling suffers from insufficient rigidity and large repeatability errors, leading to inconsistent machining quality. Existing clamping devices mostly employ single-clamp structures, which struggle to ensure consistency in hole positions across multiple parts, making them unsuitable for mass production and failing to meet ever-increasing production demands. While some multi-part machining tooling exists on the market, it generally suffers from poor positioning accuracy, cumbersome clamping, and an inability to simultaneously meet the precision requirements of milling, drilling, and boring, resulting in inconsistent machining quality and high scrap rates. This significantly impacts production efficiency and increases worker workload, preventing one person from operating multiple machines and severely wasting human resources. To improve machining efficiency and ensure accuracy, there is an urgent need for auxiliary tooling capable of simultaneously drilling multiple distributors. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a tooling with a compact structure, high clamping efficiency and precise positioning, which realizes simultaneous milling, drilling and boring of multi-station workpieces through modular design, and significantly improves production efficiency.

[0004] To solve the above problems, this utility model provides a tooling for a precise positioning and quick clamping multi-station vertical machining center for milling, drilling and boring, which includes a base plate with multiple pairs of fastening components on the base plate, and each fastening component has an internal hole expansion clamp.

[0005] Preferably, the fastening assembly is connected to the base plate by countersunk screws.

[0006] Preferably, one of each pair of fastening components is connected to the positioning block via a positioning plate, and the other is connected to the positioning plate via a positioning pin and a nut.

[0007] More preferably, the positioning plate is connected to the positioning block by a screw and cylindrical pins on both sides.

[0008] Furthermore, the positioning plate is provided with an elongated hole for connecting with the positioning block.

[0009] Preferably, the positioning block is connected to the positioning plate by two screws.

[0010] Preferably, one end of the positioning plate is V-shaped, which cooperates with the protruding structure on the outer edge of the corresponding fastening component.

[0011] This invention provides a machining fixture for simultaneously milling, drilling, and boring multiple distributors on a vertical machining center. A positioning device ensures machining accuracy, aiming to improve machining efficiency, reduce production costs, and significantly enhance machining performance. This invention is simple to operate, quick to learn, and practical. It improves efficiency while reducing labor intensity. Through this multi-station vertical machining center fixture, simultaneous milling, drilling, and boring can be quickly positioned to ensure machining accuracy, easily enabling one person to operate multiple machines.

[0012] Compared with existing technologies, the beneficial effects of this utility model are:

[0013] 1. Processing efficiency is increased by more than 3 times, making it suitable for mass production;

[0014] 2. Positioning accuracy reaches ±0.02mm, reducing scrap rate;

[0015] 3. The internal expansion clamp is an ideal clamping device for clamping parts from their internal bores on vertical or horizontal machining centers. It also features precise tolerances and can be matched to the internal diameters of different workpieces, ensuring the most suitable fit.

[0016] 4. Modular design supports rapid model changeover and is compatible with workpieces of different sizes. Attached Figure Description

[0017] Figure 1 A cross-sectional view of the machining center tooling provided by this utility model;

[0018] Figure 2 This is a schematic diagram of a multi-station arrangement structure for positioning plates and positioning pins.

[0019] Figure 1 In the middle: 1-base plate, 2-internal expansion clamp, 3-countersunk screw, 4-locating pin, 5-nut, 6-locating plate, 7-cylindrical pin, 8-screw one, 9-locating block, 10-screw two. Detailed Implementation

[0020] To make this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings.

[0021] Example

[0022] like Figure 1-2As shown, this utility model provides a precision positioning and rapid clamping multi-station vertical machining center fixture for milling, drilling, and boring. It includes a base plate 1 with multiple pairs of fastening components on it, each containing an internal expansion clamp 2. The fastening components are connected to the base plate 1 via countersunk screws 3. The multiple pairs of fastening components form a multi-station positioning structure. The base plate 1 is made of 40Cr material and has standardized mounting holes on its surface for connection to the machining center's worktable. The internal expansion clamp 2 is an assembly installed in the workpiece's inner hole, achieving rapid clamping and release through expansion force. The countersunk screws 3 and nuts 5 are selected according to GB / T819 and GB / T6170 standards for fastening connections between components, ensuring overall rigidity.

[0023] like Figure 2 As shown, one of each pair of fastening components is connected to the positioning block 9 via a positioning plate 6. One end of the positioning plate 6 is V-shaped, which mates with the protruding structure on the outer edge of the corresponding fastening component. The positioning plate 6 has an elongated hole for connecting to the positioning block 9, through which a screw 8 and cylindrical pins 7 on both sides connect to the positioning block 9. The other component is connected to the positioning plate 6 via a positioning pin 4 and a nut 5. The positioning pin 4 and cylindrical pins 7 are GB / T119 standard pins to ensure the radial positioning accuracy of the workpiece; the material is 40Cr to enhance wear resistance.

[0024] like Figure 1 As shown, the positioning block 9 is connected to the positioning plate 6 by screw 10.

[0025] The process of using the above device is as follows:

[0026] 1. Fix base plate 1 to the worktable of the vertical machining center and adjust the horizontal reference;

[0027] 2. Install positioning plate 6 and positioning block 9, and lock them together with screw 8 and screw 10 to form a multi-station frame;

[0028] 3. Place the workpiece on the positioning plate 6 and insert the positioning pin 4 and the cylindrical pin 7 for radial positioning;

[0029] 4. Use the internal expansion clamp 2 to clamp the inner hole of the workpiece, and further reinforce it with countersunk screws 3;

[0030] 5. Start the machining center and execute the milling, drilling, and boring programs to achieve simultaneous machining of multiple workpieces.

[0031] The advantages of the above-mentioned device are:

[0032] Multi-station modular design: The matrix layout of positioning plate 6 and positioning block 9 supports simultaneous clamping of multiple workpieces, reducing changeover time.

[0033] Composite clamping mechanism: Combining the inner hole expansion clamp 2 and screw 10, it achieves double fixation and prevents displacement caused by processing vibration.

[0034] Standardized interface: The base plate 1 and the machining center worktable adopt a universal interface, which is highly adaptable and facilitates quick installation and disassembly.

Claims

1. A tooling for a multi-station vertical machining center with precise positioning and rapid clamping for milling, drilling, and boring, characterized in that: Includes a base plate (1), on which multiple pairs of fastening components are provided, each fastening component having an internal expansion clamp (2); one of each pair of fastening components is connected to a positioning block (9) via a positioning plate (6), and the other is connected to the positioning plate (6) via a positioning pin (4) and a nut (5); the positioning plate (6) is connected to the positioning block (9) via a screw (8) and cylindrical pins (7) on both sides; the positioning plate (6) has an elongated hole for connecting with the positioning block (9); one end of the positioning plate (6) is V-shaped, which cooperates with the protruding structure on the outer edge of the corresponding fastening component.

2. The tooling for a multi-station vertical machining center with precise positioning and rapid clamping for milling, drilling, and boring as described in claim 1, characterized in that: The fastening assembly is connected to the base plate (1) by countersunk screws (3).

3. The tooling for a multi-station vertical machining center with precise positioning and rapid clamping for milling, drilling, and boring as described in claim 1, characterized in that: The positioning block (9) is connected to the positioning plate (6) by screw two (10).

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