CN203765381U - Angle adjustment device of precision machine tool cutting tool - Google Patents

Abstract

The utility model relates to an angle adjustment device of a precision machine tool cutting tool. The angle adjustment device comprises a base, a gear center shaft, a tool handle, a cutting tool, a cutting tool adjustment center shaft, a base curvy groove, a large gear, a pinion, adjusting nuts and an adjusting shaft. According to the angle adjustment device of the precision machine tool cutting tool, the adjustment display can be the traditional dial display or a digital display system; the change control on the angle of the cutting tool is adjusted through an adjusting knob and accordingly the accuracy of the adjustment of the angle of the cutting tool is ensured, the reliability of data reading is greatly improved, the purposes of the reliable reading and the adjustment of the working angle of the cutting tool are achieved, and the angle adjustment device is suitable for precision and ultra-precision machining and manufacturing field; the cutting tool adjustment center shaft is matched with a cutting tool angle adjusting shaft and accordingly the angle of the cutting tool can be adjusted and the cutting tool can be locked through the two sections of adjusting nuts of the cutting tool adjustment center shaft and can be axially fixed after being locked so as to enable the working angle to be constant and the cutting tool to be located in the stable cutting machining state after the cutting tool is locked; the angle adjustment device can be applied to various machine tool machining, the structure is simple, and the cost is saved.

Description

A precision machine tool tool angle adjustment device

technical field

The utility model relates to a device for adjusting the working angle of a tool of a precision machine tool, which belongs to the technical field of mechanical processing and manufacturing.

Background technique

In the cutting process, machine tools, fixtures, tools and workpieces constitute the metal cutting process system, and various processing phenomena and cutting laws must be investigated and studied in the above process system. The tool working angle adjustment device is also used as a tool special fixture, which can change the cutting effect by adjusting the tool working angle. Therefore, in the case of constant cutting amount, it is a scientific method to study the law of cutting and improve the effect of cutting by changing the working angle of the tool to obtain more different cutting experiments.

At present, the number of research institutions carrying out experimental research on precision machining is increasing day by day, and the research field is expanding. However, the preliminary exploration experiments of most research institutions are to carry out more cutting experiments by designing multiple sets of cutting tools with different geometric parameters. This research method is not only expensive, but also inefficient. The relevant patents and references of the tool working angle adjustment device have not been checked.

Contents of the invention

In order to overcome the deficiency that the existing tool clamping devices of common machine tools cannot change the working angle of the tool, the utility model provides a precision machine tool tool working angle adjustment device, which can conveniently and effectively adjust the tool working angle to meet the requirements of cutting processing. Require.

In order to achieve the above purpose, the technical solution adopted by the utility model is a device for adjusting the working angle of a precision machine tool tool. Pinion, adjusting nut, adjusting shaft.

There are two raised platforms at both ends of the base, parallel and symmetrical side panels a and b are provided on both sides, and there are curved grooves on the bottom of the side panels a and b; the central axis of the tool adjustment is provided with a U There are two symmetrical through holes in the middle of the two raised platforms at both ends of the base. The nut can realize the horizontal movement of the center axis of tool adjustment; one end of the handle is fixed with a tool, and the other end is opened with a U-shaped groove assembled with the center axis of tool adjustment and through holes vertical to side plate a and side plate b; the adjustment axis passes through the tool There is a U-shaped groove on the central axis for adjustment, and the through holes of the vertical side plate a and side plate b at the bottom of the knife handle are assembled in the curved groove of the base opened at the bottom of side plate a and side plate b; the large gear matches the small gear, and the small gear The gear is fixed on the shaft of the adjustment knob; the large gear is fixed on the central shaft of the gear; the central shaft of the gear is fixed on the side plates a and b on both sides of the base 1; , pinion, and the adjustment control structure composed of the central shaft of the gear are assembled on the side plate a; the adjustment display of the utility model can be a traditional dial display or a digital display system.

Compared with the prior art, the utility model has the following beneficial effects.

This device adjusts the change control of the tool angle by adjusting the knob, which ensures the accuracy of the tool angle adjustment and greatly improves the reliability of data reading, and realizes the purpose of reliably reading and adjusting the working angle of the tool, and is more suitable for precision ultra-precision machining Manufacturing field; the cooperation between the tool adjustment center axis and the tool angle adjustment axis can not only adjust the tool angle, but also lock the tool through the adjustment nuts on the two sections of the tool adjustment center axis. After locking, the axial direction is fixed, so that the tool is After locking, the working angle remains unchanged and is in a stable cutting process state, which can be applied to various machine tool processing, with simple structure and cost saving.

Description of drawings

Figure 1 is a three-dimensional structural schematic diagram of a tool working angle adjustment device for a precision machine tool.

Fig. 2 is a schematic diagram of the assembly of the precision machine tool tool working angle adjustment device.

Figure 3 is a schematic diagram of the measurement of the tool working angle adjustment device.

In the figure: 1. Base, 2. Gear central axis, 3. Knife handle, 4. Tool, 5. Tool adjustment central axis, 6. Base curved groove, 7. Large gear, 8. Pinion, 9. Adjusting nut , 10, adjusting shaft, 11, capacitive sensor, 12, adjusting knob, 13, liquid crystal display, 14, emitter, 15, receiving pole, 16, reflecting pole.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1-3, a device for adjusting the working angle of a precision machine tool tool includes a base 1, a gear center shaft 2, a tool handle 3, a tool 4, a tool adjustment center shaft 5, a base curved groove 6, and a large gear 7, pinion 8, adjusting nut 9, adjusting shaft 10.

There are two raised platforms at both ends of the base 1, parallel and symmetrical side panels a and b are arranged on both sides, and the base curved groove 6 is opened at the bottom of the side panels a and b; There is a U-shaped groove, and threads are tapped at both ends; symmetrical through holes are opened in the middle of the two raised platforms at both ends of the base 1, and the tool adjustment central axis 5 passes through the two through holes, and the two ends are equipped with adjustment Nut 9, the horizontal movement of the cutter adjusting central axis 5 can be realized by adjusting the adjusting nut 9; the knife handle 3 is fixed with a cutter 4 at one end, and the other end is provided with a U-shaped groove assembled with the cutter adjusting central axis 5 and vertical side plates a, side The through hole of plate b; the adjusting shaft 10 passes through the tool adjusting central axis 5 and has a U-shaped groove, and the bottom of the knife handle 3 is vertical to the side plate a and the through hole of side plate b is assembled on the bottom of side plate a and side plate b. The base curved groove 6; the large gear 7 is matched with the pinion 8, and the pinion 8 is fixed on the shaft of the adjustment knob; the large gear 7 is fixed on the gear central shaft 2; the gear central shaft 2 is fixed on both sides of the base 1 On the side plate a and the side plate b; wherein, the gear central shaft 2 is fixed to the knife handle 3; the adjustment control structure composed of the large gear 7, the pinion 8 and the gear central shaft 2 is assembled on the side plate a; the adjustment of the utility model The display can be a traditional dial display or a digital display system.

When the device is a digital display system, the system includes a capacitive sensor 11, an adjustment knob 12, a liquid crystal display 13, an emitter 14, a receiving electrode 15, and a reflector 16; wherein the capacitive sensor 11 is installed at the gear 7, The angular displacement of the 7-axis of the large gear during indexing displays the angle of indexing through the digital display meter connected to the capacitive sensor 11; the output signal of the sensor receiving pole 15 is sent to the square wave generator for amplification and demodulation , to obtain a sine wave signal, the phase difference between the signal and the excitation signal of the emitter 14 plate of the capacitive sensor 11 reflects the actual angular displacement, the angular displacement is calculated through data processing, and after display driving, it is sent to the liquid crystal display 13 Displays the actual value of the angular displacement.

Fig. 3 is a schematic diagram of the measurement, in which the emitter 14 and the receiver 15 arranged on the movable grid are coupled with the reflector 16 arranged on the fixed grid.

When the tool 4 needs to adjust the working angle, first loosen the adjustment nuts 9 at both ends of the tool adjustment center shaft 5; secondly, turn the adjustment knob to adjust to the required position through the liquid crystal display 13; finally, adjust the center of the tool adjustment through the adjustment nut 9 The shaft 5 is locked on the base 1.

During the adjustment process, the adjustment shaft 10 can slide freely in the base curved groove 6 along the bottom of the side plate a and side plate b, and finally the adjustment shaft 10 passes through the U-shaped groove in the middle of the tool adjustment center shaft 5 and is connected with the vertical side The through holes provided in the plate a and the side plate b are assembled to realize the fastening of the knife handle 3 and the base 1 .

Claims (5)

1. A precision machine tool cutter working angle adjustment device, characterized in that the device includes a base (1), a gear central shaft (2), a tool handle (3), a tool (4), a tool adjustment central shaft (5), Base curved groove (6), large gear (7), pinion (8), adjusting nut (9), adjusting shaft (10); The two ends of the base (1) are provided with two raised platforms, and the two sides are provided with parallel and symmetrical side panels a and b, and the bottoms of the side panels a and b are provided with base curved grooves (6); the tool The adjustment center shaft (5) is provided with a U-shaped groove, and the two ends are tapped with threads; there are symmetrical through holes in the middle of the two raised platforms at both ends of the base (1), and the tool adjustment center shaft (5) passes through the two There are two through holes, and the two ends are equipped with adjusting nuts (9), by adjusting the adjusting nuts (9), the horizontal movement of the cutter adjusting central axis (5) can be realized; one end of the handle (3) is fixed with the cutter (4), and the other end is fixed with the cutter (4). There are U-shaped grooves assembled with the tool adjustment center shaft (5) and through holes for vertical side plates a and side plates b; the adjustment shaft (10) passes through the tool adjustment center shaft (5) and has U-shaped grooves and tool handles (3) The through holes of the vertical side plates a and b at the bottom are assembled in the base curved grooves (6) opened at the bottom of the side plates a and b; the large gear (7) is matched with the pinion gear (8), The small gear (8) is fixed on the shaft of the adjustment knob; the large gear (7) is fixed on the gear central shaft (2); the gear central shaft (2) is fixed on the two side plates a and side plates on the base (1) b above; wherein, the gear central shaft (2) is fixed to the handle (3); the adjustment control structure composed of the large gear (7), the pinion gear (8), and the gear central shaft (2) is assembled on the side plate a; this The adjustment display of the utility model can be a traditional dial display or a digital display system. 2. A device for adjusting the working angle of a precision machine tool tool according to claim 1, characterized in that: when the device is a digital display system, the system includes a capacitive sensor (11), an adjustment knob (12), a liquid crystal display (13), emitter (14), receiver (15), and reflector (16); among them, the capacitive sensor (11) is installed at the big gear (7), and the shaft of the big gear (7) is at the time of indexing The angular displacement is displayed by the digital display meter connected to the capacitive sensor (11) to display the angular size of the division; the output signal of the sensor receiving pole (15) is sent to the square wave generator for amplification and demodulation, and a sine wave is obtained signal, the phase difference between the signal and the excitation signal of the emitter (14) plate of the capacitive sensor (11) reflects the actual angular displacement, the angular displacement is calculated through data processing, and after display driving, it is sent to the liquid crystal display (13 ) displays the actual value of the angular displacement. 3. A working angle adjustment device for precision machine tools according to claim 1 or 2, characterized in that: the emitter (14) and the receiver (15) arranged on the moving grid plate are the same as those arranged on the fixed grid. The reflector (16) on the grid plate is coupled. 4. A device for adjusting the working angle of a precision machine tool tool according to claim 1 or 2, characterized in that: when the tool (4) needs to adjust the working angle, first loosen the adjusting nuts at both ends of the tool adjusting central axis (5) (9); Secondly, turn the adjustment knob to adjust to the desired position through the LCD screen (13); finally, lock the tool adjustment center axis (5) on the base (1) through the adjustment nut (9). 5. A working angle adjustment device for precision machine tools according to claim 1 or 2, characterized in that during the adjustment process, the adjustment shaft (10) can be provided with base curved grooves along the bottom of side plate a and side plate b (6) Slip freely inside, and finally the adjustment shaft (10) passes through the U-shaped groove in the center of the tool adjustment center shaft (5), and is assembled with the through holes in the vertical side plate a and side plate b to realize the knife handle (3) Fastening with the base (1).