CN206614346U - A kind of rotary ultrasonic magnetic abrasive finishing device - Google Patents

Abstract

The utility model is related to a kind of rotary ultrasonic magnetic abrasive finishing device, including grinding drive system, ultrasonic vibration system, magnetically grinding system and grinding fluid circulation；Ultrasonic vibration system is made up of supersonic generator, ultrasonic transducer and ultrasonic transformer, and ultrasonic transducer and ultrasonic transformer are integrated in ultrasonic knife bar；Magnetically grinding system is made up of magnetic pole and magnetically grinding particle, and magnetic pole bottom absorption magnetically grinding particle, magnetically grinding particle acts on workpiece surface and is ground；Workpiece is fixed in work nest, and work nest is moved horizontally with cross slid platform；Grinding fluid sprinkler head is set at the upper side of workpiece milling zone, work trench bottom sets grinding fluid recovery port, and grinding fluid sprinkler head and grinding fluid recovery port connect grinding fluid circulation respectively.The advantage of the utility model combination ultrasonic wave processing technology and Magnetic Abrasive Finishing technology, realizes the surface finishing to nonmetallic crisp hard material, and significantly improve lapping efficiency and workpiece surface quality.

Description

A rotary ultrasonic magnetic grinding processing device

technical field

The utility model relates to the technical field of magnetic grinding and finishing processing, in particular to a rotating ultrasonic magnetic grinding processing device suitable for grinding and polishing the surface of non-metal brittle and hard materials.

Background technique

With the development of science and technology, non-metallic brittle and hard materials are more and more widely used in modern industry. However, due to the high hardness and brittleness of non-metal brittle and hard materials, it is difficult to process; especially the shape of the workpiece is complex and the machining accuracy And when the surface roughness requirements are high, it is difficult to achieve the expected effect by traditional processing methods.

Rotary ultrasonic technology has a good effect on processing brittle and hard materials. While the rotating ultrasonic is rotating the main shaft of the machine tool, the tool (diamond grinding wheel) also participates in high-speed vibration along the axial direction of the main shaft, which makes the abrasive particles under static load, ultrasonic vibration and Under the joint action of the spindle rotation, it continuously impacts and scratches the surface of the processed part, thereby crushing the processed material into many tiny particles, which improves the processing efficiency.

As a non-traditional precision machining method, the magnetic grinding process can be pressed and attached to the surface of the workpiece because of its good flexibility, self-sharpening, and strong processing adaptability. It is suitable for non-metallic brittle and hard materials with complex shapes.

Contents of the invention

The utility model provides a rotating ultrasonic magnetic grinding processing device, which combines the advantages of ultrasonic processing technology and magnetic grinding processing technology, realizes surface finishing processing of non-metallic brittle and hard materials, and significantly improves grinding processing efficiency and surface quality of workpieces .

In order to achieve the above object, the utility model adopts the following technical solutions to realize:

A rotary ultrasonic magnetic grinding processing device, including a grinding drive system, an ultrasonic vibration system, a magnetic grinding system and a grinding fluid circulation system; the ultrasonic vibration system is composed of an ultrasonic generator, an ultrasonic transducer and a horn, wherein the ultrasonic The transducer and the horn are integrated in the ultrasonic cutter bar, which is installed on the rotating motor spindle in the grinding drive system and can rotate accordingly; the magnetic grinding system is composed of magnetic poles and magnetic grinding particles, and the magnetic poles pass through the elastic collet Connected with the horn, the bottom of the magnetic pole absorbs magnetic abrasive particles, and the magnetic abrasive particles act on the surface of the workpiece for grinding; the workpiece is fixed in the working tank, and the working tank moves horizontally with the cross slide; grinding fluid is installed on the upper side of the workpiece grinding area The spray head and the grinding fluid recovery port are arranged at the bottom of the working tank, and the grinding fluid spray head and the grinding fluid recovery port are respectively connected to the grinding fluid circulation system.

The grinding drive system is composed of a machine tool body, a rotating motor and a cross slide; the machine tool body is composed of a machine base, a column and a beam, and the rotation motor is fixed on the beam and can move up and down along the column with the beam; the cross slide is fixed on On the machine bed below the work slot.

One end of the beam is set on the outside of the column through a sleeve. One side of the sleeve is provided with a lifting screw parallel to the column. Inside the sleeve is a lifting nut that engages with the lifting screw for transmission. motor.

The ultrasonic generator and the ultrasonic transducer realize non-contact electromagnetic conversion power supply through the upper and lower coils; the upper coil is fixed on the outside of the main shaft of the rotating motor through the coil shell, and is connected to the ultrasonic generator through a wire; the lower coil is wound On the ultrasonic knife handle, and rotate with the ultrasonic knife handle.

The grinding fluid circulation system is composed of a grinding fluid delivery pipeline, a grinding fluid storage tank and a grinding fluid recovery pipeline, and the two ends of the grinding fluid delivery pipeline are respectively connected to the grinding fluid spray head and the grinding fluid storage tank The two ends of the grinding fluid recovery pipeline are respectively connected to the grinding fluid recovery port and the grinding fluid storage tank; the grinding fluid delivery pipeline is provided with a peristaltic pump and a filter, and the grinding fluid storage tank is provided with an agitator.

Compared with the prior art, the beneficial effects of the utility model are:

1) Combining the advantages of rotating ultrasonic technology and magnetic grinding technology, it realizes finishing processing of brittle and hard materials, which significantly improves the grinding efficiency and surface quality of workpieces;

2) The magnetic abrasive particles are adsorbed on the magnetic poles, which can not only cause scratching and tearing on the surface of the workpiece with the rotation of the main shaft of the rotating motor, but also produce vibration and impact in the vertical direction under the action of rotating ultrasonic waves. At the same time, the workpiece is under the action of the cross slide Perform horizontal movement to increase the range of grinding and make the grinding more complete and uniform;

3) The main body of the machine tool can be modified from ordinary drilling machine or milling machine, with simple structure and low manufacturing cost;

4) It has strong versatility and high processing precision, and can be widely used for grinding the surface of various brittle and hard parts.

Description of drawings

Fig. 1 is a schematic structural view of the rotary ultrasonic magnetic grinding processing device of the present invention.

Fig. 2 is a grinding mechanism diagram of the rotary ultrasonic magnetic grinding processing device of the utility model.

In the figure: 1. Machine base 2. Column 3. Beam 4. Lifting motor 5. Rotating motor 6. Ultrasonic generator 7. Coil shell 8. Ultrasonic knife handle 9. Magnetic pole 10. Magnetic abrasive particles 11. Working groove 12. Cross Sliding table 13 Grinding fluid delivery pipeline 14. Peristaltic pump 15 Filter 16. Agitator 17. Grinding fluid holding tank 18. Work piece 19. Grinding fluid recovery pipeline

detailed description

The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:

As shown in Figure 1, a kind of rotary ultrasonic magnetic grinding processing device described in the utility model includes a grinding drive system, an ultrasonic vibration system, a magnetic grinding system and a grinding fluid circulation system; the ultrasonic vibration system is composed of ultrasonic generator 6, Composed of an ultrasonic transducer and a horn, wherein the ultrasonic transducer and the horn are integrated in the ultrasonic cutter bar 8, and the ultrasonic cutter bar 8 is installed on the main shaft of the rotating motor 5 in the grinding drive system and can rotate accordingly; The grinding system consists of magnetic poles 9 and magnetic abrasive particles 10. The magnetic poles 9 are connected to the horn through elastic collets. The bottom of the magnetic poles 9 absorbs the magnetic abrasive particles 10. The magnetic abrasive particles 10 act on the surface of the workpiece 18 for grinding; the workpiece 18 is fixed on the working surface. In the tank 11, the working tank 11 moves horizontally with the cross slide 12; the grinding fluid spray head is set on the upper side of the workpiece grinding area, and the grinding fluid recovery port is set at the bottom of the working tank 11, and the grinding fluid spraying head and grinding fluid recovery The ports are respectively connected to the grinding fluid circulation system.

Described grinding driving system is made up of machine tool body, rotating motor 5 and cross slide 12; , Move down; the cross slide 12 is fixed on the machine tool base 1 below the working tank 11 .

One end of the beam 3 is sleeved on the outside of the column 2 through a sleeve, and a lifting screw is provided on one side of the sleeve parallel to the column 2, and a lifting nut is provided in the sleeve to engage with the lifting screw for transmission, and the top of the lifting screw is decelerated Mechanism is connected lifting motor 4.

The ultrasonic generator 6 and the ultrasonic transducer realize non-contact electromagnetic conversion power supply through the upper and lower coils; the upper coil is fixed on the outside of the main shaft of the rotating motor 5 through the coil shell 7, and is connected with the ultrasonic generator 6 through a wire ; The lower coil is wound on the ultrasonic knife handle 8 and rotates with the ultrasonic knife handle 8 .

The grinding fluid circulation system is composed of a grinding fluid delivery pipeline 13, a grinding fluid holding tank 17 and a grinding fluid recovery pipeline 19. The two ends of the grinding fluid delivery pipeline 13 are respectively connected to the grinding fluid spray head and the grinding fluid. The two ends of the liquid storage tank 17 and the grinding fluid recovery pipeline 19 are respectively connected to the grinding fluid recovery port and the grinding fluid storage tank 17; the grinding fluid delivery pipeline 13 is provided with a peristaltic pump 14 and a filter 15, and the grinding fluid A stirrer 16 is established in the holding tank 17 .

As shown in Figures 1 to 2, a rotary ultrasonic magnetic grinding processing device described in the present invention is driven by a rotating motor 5 to rotate the magnetic abrasive particles 10 to generate cutting force, and the ultrasonic wave sent by the ultrasonic generator 6 generates impact force through vibration, and the common Acts on the workpiece 18 to achieve material removal and grinding.

The machine base 1 is installed on the foundation through anchor bolts, and the rotating motor 5 is fixed on the beam 3 . The ultrasonic transducer and the horn are integrated inside the ultrasonic tool holder 8, and the ultrasonic tool holder 8 is installed on the main shaft of the rotating motor 5 through the standard spindle interface, and the ultrasonic generator 6 and the ultrasonic transducer realize non-contact through the upper and lower coils Electromagnetic conversion power supply, the upper coil is fixed on the main shaft housing of the driving motor 5 through the coil housing 7, and the lower coil is wound on the ultrasonic tool handle 8, and rotates with the main shaft of the rotating motor 5. The magnetic pole 9 is connected to the horn through the elastic collet, and there is a processing gap of 1-2 mm between the magnetic pole 9 and the workpiece 18. After the magnetic abrasive particles 10 and the grinding liquid are mixed evenly, the processing between the magnetic pole 9 and the workpiece 18 is filled. In the gap, the workpiece 18 is fixed in the working tank 11, and moves horizontally in any direction with the cross slide table. When the workpiece is processed, it is squeezed and scratched by magnetic abrasive particles, and at the same time, it is impacted by ultrasonic waves to remove excess material and grind. effect.

The role of the agitator 16 is to make the grinding fluid more uniform. The hydraulic pump 14 pumps the grinding fluid through the filter 15. The filter 15 can filter out the impurities in the grinding fluid to prevent the impurities in the grinding fluid from affecting the workpiece processing. Accuracy; the grinding fluid delivery pipeline 13 transports the grinding fluid to the surface of the workpiece 18, and the grinding fluid in the working tank 11 flows back to the grinding fluid container through the grinding fluid recovery pipeline 19 for reuse.

The working process of a rotating ultrasonic magnetic grinding processing device described in the utility model is as follows:

The workpiece 18 is clamped in the working groove 11, and the lifting motor 4 drives the beam 3 to move up and down along the lifting screw to realize the adjustment of the processing gap between the magnetic pole 9 and the workpiece 18; after the adjustment is completed, the magnetic abrasive particles 10 are filled in the In the processing gap, the rotating motor 5 is started to drive the ultrasonic tool handle 8 and the magnetic pole 9 to rotate, and the ultrasonic generator 6 is started at the same time. The electrical signal generated by the ultrasonic generator 6 is transmitted from the upper coil to the lower coil through coupling, so that the magnetic abrasive particles 10 The surface of the workpiece produces an impact; the position of the workpiece 18 can be changed in any direction along the front, rear, left, and right through the cross slide 12, so as to grind different parts of the workpiece 18; while processing, the grinding fluid circulation system is opened to spray the grinding fluid on the workpiece 18 surfaces, and finally complete the grinding and polishing of the workpiece surface with high quality and efficiency.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Any equivalent replacement or change of the new technical solution and its concept should be covered within the protection scope of the present utility model.

Claims (5)

1. a kind of rotary ultrasonic magnetic abrasive finishing device, it is characterised in that including grinding drive system, ultrasonic activation system System, magnetically grinding system and grinding fluid circulation；The ultrasonic vibration system is by supersonic generator, ultrasonic transducer With ultrasonic transformer composition, wherein ultrasonic transducer and ultrasonic transformer are integrated in ultrasonic knife bar, and ultrasonic knife bar is arranged on grinding and driven On electric rotating machine main shaft in system and can concomitant rotation；Magnetically grinding system is made up of magnetic pole and magnetically grinding particle, magnetic pole It is connected by elastic collet chuck with ultrasonic transformer, magnetic pole bottom absorption magnetically grinding particle, magnetically grinding particle acts on workpiece surface It is ground；Workpiece is fixed in work nest, and work nest is moved horizontally with cross slid platform；Mill is set at the upper side of workpiece milling zone Liquid sprinkler head is cut, work trench bottom sets grinding fluid recovery port, and grinding fluid sprinkler head and grinding fluid recovery port connect grinding fluid respectively The circulatory system.

2. a kind of rotary ultrasonic magnetic abrasive finishing device according to claim 1, it is characterised in that the grinding driving System is made up of machine body, electric rotating machine and cross slid platform；Machine body is made up of lathe base, column and crossbeam, rotation Motor is fixed on crossbeam and can moved up and down with crossbeam along column；Cross slid platform is fixed on the lathe bottom below work nest On seat.

3. a kind of rotary ultrasonic magnetic abrasive finishing device according to claim 2, it is characterised in that described crossbeam one end It is set in by sleeve on the outside of column, sleeve side is abreast provided with elevating screw, sleeve with column and sets lifting nut and liter Drop and lifting motor is connected by reducing gear at the top of leading screw engaged transmission, elevating screw.

4. a kind of rotary ultrasonic magnetic abrasive finishing device according to claim 1, it is characterised in that the ultrasonic wave hair Raw device and ultrasonic transducer realize that non-contact electromagnetic change type is powered by upper and lower two-stage coil；Wherein higher level's coil passes through Coil case is fixed on the outside of electric rotating machine main shaft, and is connected by wire with supersonic generator；Subordinate's coil is wrapped in super On sound handle of a knife, and rotated with ultrasonic handle of a knife.

5. a kind of rotary ultrasonic magnetic abrasive finishing device according to claim 1, it is characterised in that the grinding fluid is followed Loop system is made up of grinding fluid conveyance conduit, grinding fluid containing tank and grinding fluid recovery channel, the two ends of grinding fluid conveyance conduit Connection grinding fluid sprinkler head and grinding fluid containing tank respectively, the two ends of grinding fluid recovery channel connect respectively grinding fluid recovery port and Grinding fluid containing tank；Set on grinding fluid conveyance conduit in peristaltic pump and filter, grinding fluid containing tank and set agitator.