CN205184285U - High -frequency vibration handle of a knife - Google Patents

Abstract

The utility model provides a high -frequency vibration handle of a knife, including handle of a knife, well axis body, magnetic field generating device and elastomer, the smooth outside of connecting in well axis body of joining in marriage of magnetic field generating device, well axis body includes the hysteresis lag body, well beam barrel, permanent magnetism annulus, nylon tube, the nylon pipe box is outside well beam barrel, and the axis barrel casing is external in the hysteresis lag, and the setting of permanent magnetism annulus is just overlapped outside well beam barrel between nylon tube and well beam barrel, the lower extreme and the elastomer drive of the hysteresis lag body are connected, the upper end of the hysteresis lag body is connected with the handle of a knife. The utility model discloses can only adopt a solenoid to generate the excitation for the magnetic leakage reduces, the utility model discloses a belleville spring, the stress that provides is accurate, processing requires not highly, whole bulk reduction, and need the part of assembly less.

Description

Dither handle of a knife

Technical field

The utility model relates to the precision feeding device in Machining Technology field, particularly, relates to dither handle of a knife.

Background technology

Carried out the processing modes such as milling, grinding, polishing, punching by cutter and be widely used in Making mold, mechanical processing industry, and tool motion feed system is the important component part of precision die processing unit (plant); That impact realizes the key of machining accuracy on the drived control of feed arrangement.

Existing accurate feeding system, such as publication number is CN104015084A, publication date is the patent application that September 3, utility model name are called " device moving processing and extension test for flat turn " in 2014, the technical scheme adopting the flat rotational motion of electromagnetic force to device to control, is sleeved on main rotating shaft by sliding conduction device (conducting slip ring); Described sliding conduction device inside is provided with wire, and described wire is connected with solenoid, the rotary motion in the central through hole of sliding conduction device of described main rotating shaft; Main rotating shaft, under electromagnetic force, drives processing department in rotation opposite piece surface to be machined feeding or vibration a little simultaneously, utilizes permanent magnet and electromagnet magneticaction each other, produce reciprocating rotation driving force, realize process.

The signal of telecommunication is passed into solenoid owing to adopting sliding conduction device (conducting slip ring) by said apparatus, therefore has following defect:

1, conducting slip ring is easy to wear, and the conducting slip ring after wearing and tearing will cause electrical contact not gone up, and affect processing progress and machining accuracy;

2, because conducting slip ring very easily weares and teares, therefore cannot realize running up;

3, the installation requirement due to conducting slip ring is higher, all has higher requirements to controlled conditions such as voltages, therefore in actual production, easily causes the problem that reliability is not high;

4, because conducting slip ring is independently parts, therefore apparatus structure is complicated, is not easy to maintaining.

Name is called the utility model patent document (application number: 201520324446.X of " a kind of magnetic pumping Knife handle structure "; Publication number: CN204736004U), provide a kind of magnetic pumping Knife handle structure, comprise handle of a knife, central axis, field generator for magnetic, elastomer; Central axis comprises: Magnetic driving extrusome, upper magnetic guiding cycle, lower magnetic guiding cycle, middle beam barrel, permanent magnetism circle; Upper magnetic guiding cycle and lower magnetic guiding cycle are arranged at the two ends of middle beam barrel, and Magnetic driving extrusome is axially through in middle beam barrel; Permanent magnetism circle is provided with between middle beam barrel and Magnetic driving extrusome; The lower end of Magnetic driving extrusome through lower magnetic guiding cycle, and drives with elastomer and is connected; The upper end of Magnetic driving extrusome is connected with upper magnetic guiding cycle adaptation; Handle of a knife is fixedly connected with upper magnetic guiding cycle; Field generator for magnetic is arranged at the outside of central axis.

Owing to there is multiple coil in said apparatus, therefore leakage field is necessary further minimizing, and the part of assembling is more, and processing request is higher.

Therefore, existing accurate feeding system, cannot meet the demand of modern industry to precision machined high request.

Utility model content

For defect of the prior art, the purpose of this utility model is to provide a kind of dither handle of a knife.

According to a kind of dither handle of a knife that this invention provides, comprise handle of a knife, central axis, field generator for magnetic and elastomer;

The sliding accessory of described field generator for magnetic is connected to the outside of central axis;

Described central axis comprises magnetic hysteresis body, middle beam barrel, magnet ring, nylon tube; Nylon tube is placed on outside middle beam barrel, and axis jacket casing is external in magnetic hysteresis, and magnet ring to be arranged between nylon tube and middle beam barrel and to be placed on outside middle beam barrel;

The lower end of magnetic hysteresis body drives with elastomer and is connected; The upper end of magnetic hysteresis body is connected with handle of a knife.

Preferably, field generator for magnetic is made up of one or more magnetic pumping body.

Preferably, disk spring is provided with between the upper end of magnetic hysteresis body and handle of a knife.

Preferably, the lower end of magnetic hysteresis body is driven with elastomer by pad post and is connected; The upper end of magnetic hysteresis body is fastenedly connected by clamping screw and handle of a knife.

Preferably, also lower cover is comprised;

Lower cover is connected to the below of middle beam barrel by lower interior hexagonal column cap screw fastening;

Space between lower cover and middle beam barrel forms a container cavity;

The protuberance that elastomer comprises flexure strip and axially extended downwards along central axis by flexure strip;

Flexure strip is positioned at container cavity, and the through hole covered under protuberance warp extends to the below of lower cover.

Preferably, lower deep groove ball bearing is provided with between middle beam barrel and field generator for magnetic; Lower disk spring is provided with between flexure strip and lower cover.

Preferably, also upper cover is comprised;

Handle of a knife is connected to above upper cover by upper interior hexagonal column cap screw fastening;

Deep groove ball bearing is provided with between handle of a knife and field generator for magnetic;

The upper end of middle beam barrel is positioned at the through hole running through upper cover upper and lower surface, and and is provided with moment of torsion pad between the through hole hole wall running through upper cover upper and lower surface.

Preferably, the axle center place of described central axis is provided with the through hole extended vertically.

Preferably, described magnetic pumping body adopt following any one or appoint various ways:

-solenoid, described solenoid is surrounded on central axis;

-permanent magnet, described permanent magnet is arranged in central axis outside;

When magnetic pumping body is multiple, multiple magnetic pumping body is around the outside being distributed in central axis.

Compared with prior art, the utility model has following beneficial effect:

1, the utility model can only adopt a solenoid to generate excitation, and leakage field is reduced.

2, the utility model have employed disk spring, and the stress provided is accurate, and processing request is not high, and overall volume reduces, and the parts that need assemble are less.

3, the utility model eliminates the conducting slip ring be energized by cable, while raising device reliability, simplifies the structure.

4, the utility model is not when central axis is energized, central axis rotates with handle of a knife, meanwhile, can superpose the magnetic hysteresis telescopic displacement vibration of magnetic hysteresis body under excitation field effect, produce compound motion effect, make process tool opposite piece have better processing effect.

5, elastomer adopts elastic strip body structure, and the rigidity in radial direction is comparatively strong, and not easily produce distortion, therefore, elastomer only has elastic deformation on displacement outbound course (axis), and displacement exports more accurate.

6, magnetic pumping body can adopt solenoid, also can adopt permanent magnet, and when adopting solenoid, the intensity of excitation field is determined by coil electricity current strength and the number of turn; When adopting permanent magnet, by adjustment distance controlling magnetic field intensity, in addition, adopt when permanent magnet excitation and locally do not have 9 Cr 2 steel using electromagnetic heating amount to produce, can further improve the telescopic displacement precision of magnetic hysteresis body.

7, the magnet ring between described middle beam barrel and magnetic hysteresis body also can play the effect producing bias magnetic field.

8, the utility model has shell body, by central axis and field generator for magnetic encapsulation within the outer shell, while protecting, increasing the service life, can also play the effect of magnetic screen, avoid leakage field central axis and field generator for magnetic.

9, the utility model structure is simple, quality light, utilizes the magneticaction between permanent magnet and/or electromagnet, and produce and rotate and elaboration power of reciprocating vibration, control accuracy is good, and response frequency is high; Cancel conducting slip ring, improve the reliability of device; The utility model is particularly useful for the difficult-to-machine metal of hard brittle material and such as titanium class.

Accompanying drawing explanation

By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:

The structural representation of the dither handle of a knife that Fig. 1 provides for the utility model.

In figure:

1-handle of a knife 11-magnetic hysteresis body 21-nylon tube

2-upper disk spring 12-pad post 22-supports aluminium ring

O type circle under disk spring 23-under 3-clamping screw 13-

Hexagonal chapiter screw in 4-is upper; Hexagonal chapiter screw 24-iron core lower cover under 14-

Deep groove ball bearing under 5-upper O type circle 15-lower cover 25-

6-upper cover 16-elastomer

7-moment of torsion pad 17-lock-screw

8-upper deep groove ball bearing 18-iron core upper cover

Beam barrel 19-magnet ring (19) in 9-

10-line bag 20-iron core urceolus

Detailed description of the invention

Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some changes and improvements can also be made.These all belong to protection domain of the present utility model.

According to a kind of dither handle of a knife that the utility model provides, comprise handle of a knife 1, central axis, field generator for magnetic and elastomer 16; The sliding accessory of described field generator for magnetic is connected to the outside of central axis; The axle center place of described central axis is provided with the through hole extended vertically; Described central axis comprises magnetic hysteresis body 11, middle beam barrel 9, magnet ring 19, nylon tube 21; Nylon tube 21 is placed on outside middle beam barrel 9, and middle beam barrel 9 is placed on outside magnetic hysteresis body 11, and magnet ring 19 to be arranged between nylon tube 21 and middle beam barrel 9 and to be placed on outside middle beam barrel 9; The lower end of magnetic hysteresis body 11 drives with elastomer 16 and is connected; The upper end of magnetic hysteresis body 11 is connected with handle of a knife 1.

Field generator for magnetic is made up of one or more magnetic pumping body.Described magnetic pumping body adopt following any one or appoint various ways:

-solenoid, described solenoid is surrounded on central axis;

-permanent magnet, described permanent magnet is arranged in central axis outside;

When magnetic pumping body is multiple, multiple magnetic pumping body is around the outside being distributed in central axis.

Disk spring 2 is provided with between the upper end of magnetic hysteresis body 11 and handle of a knife 1.The lower end of magnetic hysteresis body 11 is driven with elastomer 16 by pad post 12 and is connected; The upper end of magnetic hysteresis body 11 is fastenedly connected by clamping screw 3 and handle of a knife 1.

Described dither handle of a knife also comprises lower cover 15; Lower cover 15 is fastenedly connected in the below of middle beam barrel 9 by lower interior hexagonal chapiter screw 14; Space between lower cover 15 and middle beam barrel 9 forms a container cavity; The protuberance that elastomer 16 comprises flexure strip and axially extended downwards along central axis by flexure strip; Flexure strip is positioned at container cavity, and the through hole of protuberance on lower cover 15 extends to the below of lower cover 15.Lower deep groove ball bearing 25 is provided with between middle beam barrel 9 and field generator for magnetic; Lower disk spring 13 is provided with between flexure strip and lower cover 15.

Described dither handle of a knife also comprises upper cover 6; Handle of a knife 1 is fastenedly connected above upper cover 6 by upper interior hexagonal chapiter screw 4; Deep groove ball bearing 8 is provided with between handle of a knife 1 and field generator for magnetic; The upper end of middle beam barrel 9 is positioned at the through hole running through upper cover 6 upper and lower surface, and and is provided with moment of torsion pad 7 between the through hole hole wall running through upper cover 6 upper and lower surface.

Be provided with O type circle 5 between upper cover 6 and clamping screw 3, field generator for magnetic comprises that form line bag housing case, that connect successively iron core upper cover 18, iron core urceolus 20, iron core lower cover 24, is provided with lower O type circle 23 between iron core urceolus 20 and iron core lower cover 24.

Operation principle of the present utility model is as follows:

Field generator for magnetic maintains static; Central axis relative magnetic field generating means rotates; Now, magnetic pumping body applies excitation field to magnetic hysteresis body, and this magnetic hysteresis body can produce and move at the Fine Feed of machine direction (axis) after applying magnetic field excitation, such as, lead to AC signal to solenoid, alternating magnetic field (path) can be produced; Magnetic hysteresis body is flexible and then generation vibration under the effect in magnetic pumping magnetic field.

Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, and this does not affect flesh and blood of the present utility model.When not conflicting, the feature in the embodiment of the application and embodiment can combine arbitrarily mutually.

Claims (9)

1. a dither handle of a knife, is characterized in that, comprises handle of a knife (1), central axis, field generator for magnetic and elastomer (16);

The sliding accessory of described field generator for magnetic is connected to the outside of central axis;

Described central axis comprises magnetic hysteresis body (11), middle beam barrel (9), magnet ring (19), nylon tube (21); Nylon tube (21) is placed on middle beam barrel (9) outward, middle beam barrel (9) is placed on magnetic hysteresis body (11) outward, and magnet ring (19) to be arranged between nylon tube (21) and middle beam barrel (9) and to be placed on middle beam barrel (9) outward;

The lower end of magnetic hysteresis body (11) drives with elastomer (16) and is connected; The upper end of magnetic hysteresis body (11) is connected with handle of a knife (1).

2. dither handle of a knife according to claim 1, is characterized in that, field generator for magnetic is made up of one or more magnetic pumping body.

3. dither handle of a knife according to claim 1, is characterized in that, is provided with disk spring (2) between the upper end of magnetic hysteresis body (11) and handle of a knife (1).

4. dither handle of a knife according to claim 1, is characterized in that, the lower end of magnetic hysteresis body (11) is driven with elastomer (16) by pad post (12) and is connected; The upper end of magnetic hysteresis body (11) is fastenedly connected by clamping screw (3) and handle of a knife (1).

5. dither handle of a knife according to claim 1, is characterized in that, also comprises lower cover (15);

Lower cover (15) is fastenedly connected the below in middle beam barrel (9) by lower interior hexagonal chapiter screw (14);

Space between lower cover (15) and middle beam barrel (9) forms a container cavity;

The protuberance that elastomer (16) comprises flexure strip and axially extended downwards along central axis by flexure strip;

Flexure strip is positioned at container cavity, and the through hole of protuberance on lower cover (15) extends to the below of lower cover (15).

6. dither handle of a knife according to claim 5, is characterized in that, is provided with lower deep groove ball bearing (25) between middle beam barrel (9) and field generator for magnetic; Lower disk spring (13) is provided with between flexure strip and lower cover (15).

7. dither handle of a knife according to claim 1, is characterized in that, also comprises upper cover (6);

Handle of a knife (1) is fastenedly connected in upper cover (6) top by upper interior hexagonal chapiter screw (4);

Deep groove ball bearing (8) is provided with between handle of a knife (1) and field generator for magnetic;

The upper end of middle beam barrel (9) is positioned at the through hole running through upper cover (6) upper and lower surface, and and is provided with moment of torsion pad (7) between the through hole hole wall running through upper cover (6) upper and lower surface.

8. dither handle of a knife according to claim 1, is characterized in that, the axle center place of described central axis is provided with the through hole extended vertically.

9. dither handle of a knife according to claim 2, is characterized in that, described magnetic pumping body adopt following any one or appoint various ways:

-solenoid, described solenoid is surrounded on central axis;

-permanent magnet, described permanent magnet is arranged in central axis outside;

When magnetic pumping body is multiple, multiple magnetic pumping body is around the outside being distributed in central axis.