CN216543655U

CN216543655U - Split type cutting tool applied to 28k ultrasonic vibrator

Info

Publication number: CN216543655U
Application number: CN202122690536.9U
Authority: CN
Inventors: 黎志军; 杨兴; 刘跃财
Original assignee: Shenzhen Meifei Precision Co ltd
Current assignee: Shenzhen Meifei Precision Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-17
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a split type cutting tool applied to a 28k ultrasonic vibrator, which belongs to the field of tools and comprises a tool apron, wherein a plurality of upper guide grooves are formed in the side surface of the tool apron, which is close to the top end, a plurality of lower guide grooves are formed in the side surface of the tool apron, which is close to the bottom end, a plurality of upper guide grooves and a plurality of lower guide grooves are in one-to-one correspondence, a central hole is formed in the middle position of the side surface of the tool apron, a step is arranged at the bottom end of the side surface of the tool apron, the side surface of the step is detachably and fixedly connected with a blade through a connecting piece, the connecting piece comprises a plurality of first screw holes formed in the side surface of the step, and a plurality of second screw holes aligned with the first screw holes one by one are formed in the side surface of the blade. According to the utility model, through the upper guide groove, the lower guide groove and the central hole, the transverse vibration of the cutter in the use process can be reduced, and the amplitude of the cutting edge becomes uniform.

Description

Split type cutting tool applied to 28k ultrasonic vibrator

Technical Field

The utility model relates to a cutter, in particular to a split type cutting cutter applied to a 28k ultrasonic vibrator.

Background

The ultrasonic cutter adopts a high-frequency ultrasonic transducer to convert a high-frequency oscillation electric signal into high-frequency mechanical vibration, under the high-frequency mechanical vibration, basically only a force resisting the gravity of the cutter and a force driving the cutter to move need to be provided, and the force for cutting the object is completed by the energy generated by the mechanical vibration, so that the object can be easily and efficiently cut.

Generally, the ultrasonic cutting blade is set to be a half-wavelength or full-wavelength structure, that is, the length of the cutting blade is a half wavelength or a full wavelength, according to the wavelength formula λ ═ c/f, and under the condition that the sound velocity c of the material is constant, the resonant frequency f is increased, and the length of the ultrasonic structure is correspondingly shortened. Common blade that provides on the market at present has the characteristics that the cutting edge is thin, the blade is long, consequently after ultrasonic frequency improves, blade holder length can shorten, and the ratio of the length of the sword and whole length is less this moment, and this kind of characteristics will lead to this structure can not output evenly distributed's amplitude, and then makes the amplitude of cutting edge department become inhomogeneous. Accordingly, a separate type cutting tool applied to a 28k ultrasonic vibrator has been provided to solve the problems suggested in the background art described above by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a split type cutting tool applied to a 28k ultrasonic vibrator, which can reduce the transverse vibration of the tool in the using process through an upper guide groove, a lower guide groove and a central hole, so that the amplitude of a blade is uniform, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a be applied to split type cutting tool of 28k ultrasonic vibrator, includes the blade holder, the side of blade holder is close to the position on top and has seted up a plurality of guiding grooves of going up, and the side of blade holder is close to the position of bottom and has seted up a plurality of guiding grooves down, a plurality of guiding grooves of going up are with a plurality of guiding grooves one-to-one down, the centre bore has been seted up to blade holder side intermediate position, and the side bottom of blade holder is equipped with the step, the fixedly connected with blade can be dismantled through the connecting piece to the step side.

Through the upper guide groove, the lower guide groove and the center hole, the transverse vibration of the cutter in the use process can be reduced, and the amplitude of the cutting edge becomes uniform.

As a further scheme of the utility model: the connecting piece comprises a plurality of first screw holes formed in the side face of the step, a plurality of second screw holes aligned with the first screw holes one by one are formed in the side face of the blade, and the side face of the blade is attached to the side face of the step and fixed by implanting screws into the first screw holes and the second screw holes.

When the connecting tool is used, the blade and the tool apron can be quickly and directly connected only by aligning the first screw hole and the second screw hole and then implanting corresponding screws.

As a still further scheme of the utility model: a long gasket is arranged between the blade and the screw, and a plurality of third screw holes aligned with the second screw holes one by one are formed in the side face of the long gasket.

The long gaskets can reduce friction, isolate, prevent loosening or disperse pressure.

As a still further scheme of the utility model: go up the fillet that the diameter is 5mm all seted up at the both ends of guiding groove, the fillet that the diameter is 4mm is all seted up at the both ends of guiding groove down.

The fillets arranged on the upper guide groove and the lower guide groove prevent workers from being scratched by the guide grooves when the tool apron is taken.

As a still further scheme of the utility model: and a round corner with the diameter of 4mm is arranged at the edge of the top end of the step.

The fillet on the step can avoid being scratched by the border of step when the staff installs the blade.

As a still further scheme of the utility model: and a connecting port is formed in the center of the top end face of the cutter holder.

The connecting port is used for connecting the tool apron and the ultrasonic transducer together.

As a still further scheme of the utility model: the blade is made of tungsten steel.

The tungsten steel blade has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the upper guide groove, the lower guide groove and the center hole, the transverse vibration of the cutter in the use process is effectively reduced, and the amplitude of the cutting edge is uniform.

2. Through the step, connecting piece and the long gasket that set up, not only can be fast direct link together blade holder and blade, can also improve the compactness that the two is connected and avoid the pine to take off.

Drawings

FIG. 1 is a schematic structural diagram of a split type cutting tool applied to a 28k ultrasonic vibrator;

FIG. 2 is a side view of a split cutting tool applied to a 28k ultrasonic vibrator;

fig. 3 is an exploded view of a split cutting tool applied to a 28k ultrasonic vibrator.

In the figure: 1. a tool apron; 2. an upper guide groove; 3. a lower guide groove; 4. a central bore; 5. a step; 6. a blade; 7. a long spacer; 8. a screw; 9. a first screw hole; 10. a second screw hole; 11. and a third screw hole.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a split type cutting tool applied to a 28k ultrasonic oscillator includes a tool apron 1, a plurality of upper guide grooves 2 are formed in a position, close to a top end, of a side surface of the tool apron 1, a plurality of lower guide grooves 3 are formed in a position, close to a bottom end, of the side surface of the tool apron 1, the plurality of upper guide grooves 2 correspond to the plurality of lower guide grooves 3 one by one, a central hole 4 is formed in a middle position of the side surface of the tool apron 1, a step 5 is formed in a bottom end of the side surface of the tool apron 1, and a blade 6 is detachably and fixedly connected to a side surface of the step 5 through a connecting member. Through the upper guide groove 2, the lower guide groove 3 and the central hole 4, the transverse vibration of the cutter in the use process can be reduced, and the amplitude of the cutting edge becomes uniform.

In this embodiment: the connecting piece is including seting up a plurality of first screw 9 in step 5 side, and a plurality of second screw 10 that align one by one with first screw 9 are seted up to the side of blade 6, and blade 6 side pastes on step 5 side and fixes through implanting screw 8 in first screw 9 and second screw 10. When the connecting device is used, the blade 6 and the tool apron 1 can be quickly and directly connected only by aligning the first screw hole 9 and the second screw hole 10 and then implanting the corresponding screw 8.

In this embodiment: a long gasket 7 is arranged between the blade 6 and the screw 8, and a plurality of third screw holes 11 aligned with the second screw holes 10 one by one are formed in the side surface of the long gasket 7. The provision of the long spacers 7 can reduce friction, isolate, prevent loosening or disperse pressure.

In this embodiment: the fillet that the diameter is 5mm is all seted up at the both ends of going up guiding groove 2, and the fillet that the diameter is 4mm is all seted up at the both ends of lower guiding groove 3. The round corners arranged on the upper guide groove 2 and the lower guide groove 3 prevent workers from being scratched by the guide grooves when the tool apron 1 is taken.

In this embodiment: the top edge of the step 5 is provided with a fillet with the diameter of 4 mm. The rounded corners on the step 5 prevent a worker from being scratched by the edges of the step 5 when installing the blade 6.

In this embodiment: a connecting port 12 is arranged at the center of the top end surface of the tool apron 1. The connection port 12 is provided for connecting the tool holder 1 and the ultrasonic transducer together.

In this embodiment: the material of the blade 6 is tungsten steel. The blade 6 made of tungsten steel has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like.

In this embodiment: the design frequency of the cutter is set to be 28kHz, modal analysis is carried out by using ANSYS finite element analysis software, and the result of the modal analysis is as follows: the upper and lower grooves and the central hole 4 in the structure can enable the amplitude at the blade to be uniform, the simulation frequency is 28.496kHz, the error between the simulation frequency and the design value is 1.77%, and the vibration of the whole structure is mainly longitudinal vibration.

In this embodiment: the setting of upper and lower groove and centre bore 4 can guarantee that the amplitude of cutting edge department becomes even, if remove certain setting after utilize ANSYS finite element analysis software to carry out modal analysis, the modal analysis result is: all can make the model take place the distortion of different degrees, if change the double flute structure of upper and lower groove into straight flute structure, can lead to the model to send serious distortion to from the analysis of mechanics angle, straight flute structure's rigidity is relatively poor, probably middle part takes place fatigue fracture.

The working principle of the utility model is as follows: before use, the blade 6 is firstly attached to the side surface of the step 5 so that the first screw holes 9 and the second screw holes 10 are aligned one by one, and then the long shim 7 is attached to the side surface of the blade 6 so that the third screw holes 11 and the second screw holes 10 are aligned one by one. Finally, corresponding screws 8 are sequentially screwed into the third screw hole 11, the second screw hole 10 and the first screw hole 9 and tightened, and after the blade 6 is connected with the tool apron 1, the tool apron 1 is connected with the ultrasonic transducer through the connecting port 12.

In the using process, the ultrasonic transducer operates, the ultrasonic transducer converts high-frequency oscillation electric signals into high-frequency mechanical vibration and transmits the high-frequency mechanical vibration to the cutter, and under the action of the upper guide groove 2, the lower guide groove 3 and the central hole 4, the transverse vibration of the cutter in the using process is effectively reduced, so that the amplitude of the cutter at the position of a blade is uniform.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a be applied to split type cutting tool of 28k ultrasonic vibrator, a serial communication port, includes the blade holder, the side of blade holder is close to the position on top and has seted up a plurality of guiding grooves of going up, and the side of blade holder is close to the position of bottom and has seted up a plurality of guiding grooves down, a plurality of guiding grooves of going up are with a plurality of about the guiding groove one-to-one down, the centre bore has been seted up to blade holder side intermediate position, and the side bottom of blade holder is equipped with the step, the step side can dismantle fixedly connected with blade through the connecting piece.

2. The split type cutting tool applied to the 28k ultrasonic vibrator, according to claim 1, wherein the connecting member comprises a plurality of first screw holes formed in a side surface of the step, a plurality of second screw holes aligned with the first screw holes one by one are formed in a side surface of the blade, and the side surface of the blade is attached to the side surface of the step and fixed by implanting screws into the first screw holes and the second screw holes.

3. The split type cutting tool applied to the 28k ultrasonic vibrator is characterized in that a long gasket is arranged between the blade and the screw, and a plurality of third screw holes aligned with the second screw holes one by one are formed in the side face of the long gasket.

4. The split type cutting tool applied to the 28k ultrasonic vibrator according to claim 1, wherein round corners with the diameter of 5mm are formed at both ends of the upper guide groove, and round corners with the diameter of 4mm are formed at both ends of the lower guide groove.

5. The split type cutting tool applied to a 28k ultrasonic vibrator is characterized in that the top edge of the step is provided with a fillet with the diameter of 4 mm.

6. The split type cutting tool applied to the 28k ultrasonic vibrator is characterized in that a connecting port is formed in the center of the top end face of the tool apron.

7. The split type cutting tool applied to the 28k ultrasonic vibrator is characterized in that tungsten steel is selected as a material of the blade.