CN101633046B - Ultrasonic vibration turning special device - Google Patents

Abstract

The invention discloses a special ultrasonic vibration turning device and belongs to the technical field of turning processing. The device comprises a master clamper, a secondary clamper base plate, a secondary clamper pressure plate and a node spacer. The device is characterized in that the master clamper is vertically connected with one end of the secondary clamper base plate, the secondary clamper base plate is fixed connected and parallel to the secondary clamper pressure plate, and the node spacer is fixedly arranged on the secondary clamper base plate and opposite to the secondary clamper pressure plate. The device has the advantages of simple structure, good stability, low cost, etc., and can realize mounting, feeding and cutting on a normal lathe.

Description

Ultrasonic vibration turning special device

technical field

The invention relates to a device in the technical field of turning, in particular to a special device for ultrasonic vibration turning.

Background technique

Turning is the most basic, broadest and most important process in the machinery manufacturing industry, which directly affects production efficiency, cost, energy consumption and environmental protection. With the development of modern industrial technology, the requirements for machining accuracy of workpieces are increasing day by day and various high-strength and high-hardness engineering materials are increasingly used. High hardness and high precision require machining of workpieces. Ultrasonic vibration turning makes it possible and has achieved obvious benefits in production. Ultrasonic vibration turning is an important part of ultrasonic machining technology. It has better processing performance than ordinary turning. It applies high-frequency vibration to conventional turning tools to make intermittent contact between the tool and the workpiece, thereby making the traditional cutting mode A fundamental change has taken place. Ultrasonic vibration turning is expected to solve some inherent problems in traditional turning, such as vibration in turning and thermal deformation in turning, so as to obtain good turning effect.

In recent decades, the development of ultrasonic technology has been extremely rapid, which has promoted the continuous development of ultrasonic equipment. The ultrasonic vibration turning system includes: ultrasonic generator, transducer, horn, cutter and other necessary components. As an indispensable part of the ultrasonic vibration turning system, the special fixed connection device for ultrasonic vibration turning has become one of the main factors affecting the effect of ultrasonic vibration turning.

Found through literature search to prior art, Chandra Nath et al published "A study on ultrasonic vibration cutting of low alloy steel" in "Journal of Materials Processing Technology" in 2007, the ultrasonic vibration cutting device system that proposes in this article its deficiency is: The device is complicated, and cutting cannot be realized on an ordinary lathe, and the lathe needs to be refitted.

Contents of the invention

The purpose of the present invention is to address the deficiencies in the prior art and provide a special device for ultrasonic vibration turning. According to the structure of the existing lathe and the characteristics of the processed workpiece, it has the characteristics of simple structure, good stability, and low cost, and can be realized on an ordinary lathe. Mounting, feeding, cutting.

The present invention is realized through the following technical scheme, the present invention comprises: main fixture part, secondary fixture part bottom plate, secondary fixture part pressure plate and node gasket, wherein: one end of main fixture part and secondary fixture part bottom plate is fixed and vertically connected, The pressing plate of the secondary fixture is fixedly connected with the bottom plate of the secondary fixture and is parallel to each other, and the node gasket is fixedly arranged on the bottom plate of the secondary fixture and faces the pressing plate of the secondary fixture.

The main clamping part has a U-shaped structure, and the main clamping part is fixedly arranged on the lathe and connected with the turning tool of the lathe.

A groove is provided on the side of the pressing plate of the secondary fixture facing the node gasket. The groove has a length of 220mm, a depth of 3mm, and a width of 25mm. The groove is used to place the node gasket.

The bottom plate of the secondary fixture and the pressure plate of the secondary fixture are fixed by fine-tuning screw holes and bolts, and the position of the pressure plate of the secondary fixture relative to the bottom plate can be adjusted up and down through the bolt connection, and fine adjustment can be realized up and down, which is convenient for the installation of the node gasket and the adjustment of the fixture and Relative position between lathes.

Described node spacer, its node position is identical with the node position of turning tool, and the length of this node spacer is greater than the length of two node spacings, and width is identical with turning tool width, and the node spacing of this node spacer is ultrasonic in the car The 1/2 wavelength of the propagation wavelength in the knife, that is, 130mm; the specific installation position of the gasket at this node corresponds to the node position of the turning tool, and the fixture fixes the gasket node and the turning tool node in the device together.

The main fixture, the bottom plate of the secondary fixture, the pressure plate of the secondary fixture and the node gasket are all made of cast iron.

The present invention adjusts the relative position of the turning tool node gasket and the turning tool so that the gasket node corresponds to the turning tool node and fixes the two together in the device through a clamp, which can realize the movement of the tool in the up and down direction, thereby adjusting the tool The tip is on the same plane as the center line of the workpiece, and the device has the characteristics of light weight, miniaturization, stability, and low production cost, which effectively reduces the production cost and design cost, and can be modularized for production, and is widely used in various ultrasonic turning processes .

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is an exploded view of the structure of embodiment 1;

Fig. 3 is the structural representation of embodiment 2;

Fig. 4 is a frequency comparison diagram of the embodiment.

Detailed ways

The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

Example 1

As shown in Fig. 1 and Fig. 2, this embodiment includes: main fixture part 1, fixing screw hole 2, secondary fixture part bottom plate 3, secondary fixture part adjustable screw hole 4, secondary fixture part pressure plate 5, secondary fixture part pressure plate node Locating screw holes 6 and node gaskets 7, wherein: the secondary fixture part 3 is fixed to the main fixture part 1 through the fixing screw hole 2, the secondary fixture part 5 is fixed to the secondary fixture part 3 through the adjustable screw hole 4, and the secondary fixture part 5 is due to When turning close to the lathe, its upper and lower positions need to be adjusted accordingly according to the actual situation. The adjustment is realized through the adjustable screw hole 4. The side of the secondary clamp member pressure plate 5 facing the node gasket 7 is provided with grooves with a spacing of 130mm. 8, used to install node gasket 7.

The structure of the main fixture 1 in this embodiment is U-shaped with a width of 95 mm and a length of 140 mm according to the lathe used.

There are two screw holes 6 in the middle of the secondary fixture 5 for fixing the turning tool. The distance between the two screw holes is the same as the node spacing of the turning tool, that is, the distance is 130 mm.

Described node spacer 7, its node position is identical with the node position of turning tool, and the length of this node spacer is greater than the length of two node spacings, and width is identical with turning tool width, and the node spacing of this node spacer 7 is 130mm .

The length of the groove 8 is 220mm, the depth is 3mm, and the width is 25mm.

The main fixture 1 , the bottom plate 3 of the secondary fixture, the pressure plate 5 of the secondary fixture and the node gasket 7 are all made of cast iron.

Example 2

As shown in Figure 3, in this implementation, two triangular prisms 8 are used to replace the node gaskets, and the triangular 8 is glued to the tool by superglue. The position of the triangular prism is 1/4 and 3/4, the spacing is 130mm, and then the tool is fastened in the fixture through the node positioning bolt 6.

As shown in Figure 4, the natural frequency of the above-mentioned embodiment 1 and embodiment 2 does not coincide with the natural frequency of the turning tool, that is, it is impossible for the two to affect the machining accuracy due to resonance during the turning process.

Claims (7)

1. special ultrasonic vibration turning device, comprise: main folder tool spare, inferior anchor clamps spare base plate, inferior anchor clamps spare pressing plate and node pad, it is characterized in that: main folder tool spare is connected with an end fixed vertical of time anchor clamps spare base plate, inferior anchor clamps spare pressing plate is fixedlyed connected with time anchor clamps spare base plate and is parallel to each other, and the node spacers is arranged on time anchor clamps spare base plate and is right against time anchor clamps spare pressing plate;

Described main folder tool spare is the U-shaped structure, and this main folder tool spare is fixedly set on the lathe and with the lathe tool of lathe and is connected.

2. special ultrasonic vibration turning device according to claim 1 is characterized in that, described anchor clamps spare pressing plate is provided with groove over against a side of node pad.

3. special ultrasonic vibration turning device according to claim 2 is characterized in that, the length 220mm of described groove, degree of depth 3mm, width 25mm.

4. special ultrasonic vibration turning device according to claim 1 is characterized in that, described time anchor clamps spare base plate passes through fine setting screw and bolting with time anchor clamps spare pressing plate.

5. special ultrasonic vibration turning device according to claim 1 is characterized in that, described node pad, and its node location is identical with the node location of lathe tool, and the length of this node pad is greater than the length of two nodal pitches, and width is identical with the lathe tool width.

6. special ultrasonic vibration turning device according to claim 1 is characterized in that, the nodal pitch of described node pad is ultrasonic wave is propagated wavelength in lathe tool 1/2 wavelength.

7. special ultrasonic vibration turning device according to claim 1 is characterized in that, described main folder tool spare, inferior anchor clamps spare base plate, inferior anchor clamps spare pressing plate and node pad are cast iron and make.

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