CN217991530U

CN217991530U - Ultrasonic cutter for machining inner hole

Info

Publication number: CN217991530U
Application number: CN202221128586.6U
Authority: CN
Inventors: 邱召华; 马继涛
Original assignee: Shandong Jujiang Intelligent Industrial Technology Research Institute Co ltd
Current assignee: Shandong Jujiang Intelligent Industrial Technology Research Institute Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-12-09
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses an ultrasonic cutter for processing an inner hole, which comprises a connecting rod, wherein a cylinder seat is assembled at one end part of the connecting rod, a piston which slides in a limiting way is installed in the cylinder seat, and constant pressure gas is input between the cylinder seat and the piston; the piston is internally provided with a transducer which protrudes out of the end part of the piston, and the transducer is provided with a rotatable cutter head; the piston is further provided with an end cover, the end cover is in sleeved fit with the transducer, one end, far away from the piston, of the end cover is provided with a gland, a cutter hole is formed in the gland, and the cutter head extends to the outer portion of the gland through the cutter hole. The effect that the cutter moves in the work and caters to the concave-convex change of the surface of the inner hole of the workpiece is achieved, namely: the cutter applies constant pressure on the surface of the inner hole of the workpiece, so that the problem that the cutter is constantly changed in acting force is avoided, the machining precision can be effectively improved, and the service life of the cutter can be prolonged; meanwhile, the tool and the lathe are simple in assembling process and high in disassembling and assembling efficiency.

Description

Ultrasonic cutter for machining inner hole

Technical Field

The utility model belongs to the technical field of metal surfacing, especially, relate to an ultrasonic wave cutter for processing internal hole.

Background

At present, a cutter for performing ultrasonic processing on the surface of an inner hole of a workpiece is assembled on a lathe through a complex connecting structure, so that the assembly and disassembly processes are complicated, and the assembly and disassembly efficiency is low; simultaneously, the cutter assembly is accomplished the back, the processing execution end position of cutter is fixed all the time, because the surface smoothness of work piece hole is inconsistent (that is to say work piece hole surface is unevenness), thereby in the in-process of processing internal hole surface, the cutter can continuously receive the effort of constantly changing, long-term use can take place to warp, and life has been influenced greatly, when meetting the great time of hole surface convexity, the cutter atress can strengthen, when meetting the hole surface concavity great, the processing effect is poor, and then influence the machining precision greatly.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides an ultrasonic wave cutter for carrying out processing to the hole to reach and apply invariable pressure to work piece hole surface, improve machining precision and cutter and improve life and simplify the purpose of assembly process.

The utility model provides a technical scheme is: an ultrasonic cutter for machining an inner hole comprises a connecting rod, wherein a cylinder seat is assembled at one end of the connecting rod, a piston capable of limiting sliding is installed in the cylinder seat, and constant-pressure gas is input between the cylinder seat and the piston; the energy converter protruding out of the end part of the piston is arranged in the piston, and a rotatable cutter head is arranged on the energy converter;

the piston is further provided with an end cover, the end cover is in sleeved fit with the transducer, one end, far away from the piston, of the end cover is provided with a gland, the gland is provided with a cutter hole, and the cutter head extends to the outer portion of the gland through the cutter hole.

As an improvement, one end of the gland, which is far away from the end cover, is provided with a spherical surface.

As a further improvement, the gland and the end cover are both provided with connecting counter bores, and the periphery of the end cover is also provided with arc-shaped grooves communicated with the connecting counter bores.

As a further improvement, the outer wall of the piston is provided with a round-head key groove-shaped sliding limiting groove, and a sealing ring is arranged between the inner wall of the cylinder seat and the round-head key groove-shaped sliding limiting groove.

As a still further improvement, the cylinder block comprises a seat body, and one end of the seat body is provided with an insert rod; the end part of the connecting rod is provided with a slot, the inserted rod is inserted in the slot, a plurality of pin shaft holes which are communicated with each other are arranged between the inserted rod inserted in the slot and the connecting rod, and a pin shaft is inserted in the pin shaft holes.

Adopted the aforesaid technical scheme, the utility model provides an ultrasonic wave cutter for carrying out processing to the hole beneficial effect as follows:

the ultrasonic cutter for processing the inner hole comprises a connecting rod, wherein a cylinder seat is assembled at one end of the connecting rod, a piston capable of sliding in a limiting manner is installed in the cylinder seat, and constant-pressure gas is input between the cylinder seat and the piston; the piston is internally provided with a transducer which protrudes out of the end part of the piston, and the transducer is provided with a rotatable cutter head; based on the structure, when the ultrasonic tool for machining the inner hole is used, the end cover is matched with the transducer in a sleeved mode, the end, far away from the piston, of the end cover is provided with the pressing cover, the tool bit extends to the outside of the pressing cover through the tool hole, the transducer is fixed in the piston through the matching of the end cover and the piston, the tool bit is positioned through the pressing cover, then the connecting rod is inserted into a tool bar on a lathe to complete assembling, then the ultrasonic tool fixed on the lathe is moved, the tool bit is located in the inner hole of the workpiece, then the surface of the inner hole of the workpiece is in contact with the tool bit, the workpiece rotates, and in the rotating process, constant-pressure gas is input between the cylinder seat and the piston, so that when the surface roughness of the inner hole of the workpiece is large (uneven), the piston slides in the cylinder seat to meet the uneven change of the surface of the inner hole of the workpiece.

To sum up, adopt this an ultrasonic wave cutter for carrying out processing to the hole, reached the cutter and removed in the work and catered to the effect that work piece hole surface is unsmooth to change, promptly: the cutter applies constant pressure on the surface of the inner hole of the workpiece, so that the problem that the cutter is constantly changed in acting force is avoided, the machining precision can be effectively improved, and the service life of the cutter can be prolonged; meanwhile, the tool and the lathe are simple in assembling process and high in disassembling and assembling efficiency.

Because the one end that the end cover was kept away from to the gland sets up to the sphere to come to dodge each other with the arc change of work piece hole through the spherical structure of gland, avoided the work piece to take place to interfere with the gland in rotatory processing and influence the problem emergence of processing work and cause the damage to the work piece.

Because all be equipped with on gland and the end cover and connect the counter bore, still be equipped with in the periphery of end cover with be connected the arc wall of counter bore intercommunication to make the connecting piece between gland and the end cover and the connecting piece between end cover and the piston not bulge through the counter bore and set up, effectively avoided the connecting piece to take place to interfere and influence processing work and cause the problem of damage to the work piece with the work piece in rotatory processing.

Because be equipped with button head keyway shape slip spacing groove on the outer wall of piston, be equipped with the sealing washer between the inner wall of cylinder block and the button head keyway shape slip spacing groove to through the cooperation of sealing washer and button head keyway shape slip spacing groove, reached the slip of piston and the spacing effect of slip, simple structure, spacing slip is effectual.

Because the cylinder seat comprises a seat body, one end of the seat body is provided with an inserted rod; the tip of connecting rod is equipped with the slot, and the inserted bar cartridge is equipped with a plurality of round pin shaft holes that communicate each other between inserted bar and the connecting rod in the slot, and round pin axle hole interpolation is equipped with the round pin axle to come to install elements such as piston through the pedestal, realize the detachable installation of cylinder block and connecting rod through the cooperation of slot and round pin axle on inserted bar, the connecting rod, simple structure, the dismouting of being convenient for, the convenience in use is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

in the figures, 1-connecting rod; 101-a slot; 102-pin-shaft holes; 2-a cylinder block; 201-seat body; 202-a plunger; 3-a piston; 301-round head key groove shape sliding limit groove; 302-sealing ring; 4-a transducer; 5-a cutter head; 6-end cover; 601-connecting a counter bore; 602-an arc-shaped slot; 7-pressing cover.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 and 2, an ultrasonic cutting tool for machining an inner hole comprises a connecting rod 1 for assembling a cutter bar on a lathe, a cylinder block 2 is assembled at one end of the connecting rod 1, a limiting sliding piston 3 is installed in the cylinder block 2, and constant pressure gas is input between the cylinder block 2 and the piston 3; a transducer 4 protruding out of the end part of the piston 3 is arranged in the piston 3, and a cutter head 5 with a cross-shaped structure is rotatably arranged at the end part of the transducer 4; the piston 3 is also provided with an end cover 6, the end cover 6 is sleeved and matched with the transducer 4, a gland 7 is arranged at one end of the end cover 6 far away from the piston 3, a knife hole (not shown in a form of a mark) is arranged on the gland 7, and the knife head 5 extends to the outside of the gland 7 through the knife hole.

Preferably, one end of the gland 7 far away from the end cover 6 is provided with a spherical surface; the gland 7 and the end cover 6 are both provided with connecting counter bores 601, and the periphery of the end cover 6 is also provided with an arc-shaped groove 602 communicated with the connecting counter bores 601.

In this embodiment, the outer wall of the piston 3 is provided with a round-head keyway-shaped sliding limiting groove 301, and a sealing ring 302 is arranged between the inner wall of the cylinder block 2 and the round-head keyway-shaped sliding limiting groove 301.

The cylinder block 2 comprises a base body 201, wherein one end of the base body 201 is provided with an insert rod 202; the end of the connecting rod 1 is provided with a slot 101, the inserted rod 202 is inserted into the slot 101, a plurality of pin shaft holes 102 which are mutually communicated are arranged between the inserted rod 202 inserted into the slot 101 and the connecting rod 1, and pin shafts (not shown in the form of reference numbers) are inserted into the pin shaft holes 102.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The ultrasonic cutter for machining the inner hole is characterized by comprising a connecting rod, wherein a cylinder seat is assembled at one end of the connecting rod, a piston capable of limiting sliding is installed in the cylinder seat, and constant-pressure gas is input between the cylinder seat and the piston; the piston is internally provided with a transducer which protrudes out of the end part of the piston, and the transducer is provided with a rotatable cutter head;

2. The ultrasonic tool for machining an inner bore according to claim 1, wherein an end of the gland remote from the end cap is provided as a spherical surface.

3. The ultrasonic tool for machining an inner hole according to claim 2, wherein the gland and the end cap are both provided with connecting counterbores, and the outer periphery of the end cap is further provided with arc-shaped grooves communicated with the connecting counterbores.

4. The ultrasonic tool for machining an inner hole according to any one of claims 1 to 3, wherein a round-head keyway-shaped sliding limiting groove is formed in the outer wall of the piston, and a sealing ring is arranged between the inner wall of the cylinder block and the round-head keyway-shaped sliding limiting groove.

5. The ultrasonic tool for machining an inner bore according to claim 4, wherein the cylinder block includes a block body, one end of which is provided with an insert rod; the end part of the connecting rod is provided with a slot, the inserted rod is inserted in the slot, a plurality of pin shaft holes which are communicated with each other are arranged between the inserted rod inserted in the slot and the connecting rod, and a pin shaft is inserted in the pin shaft holes.