CN105397119A - Ultrasonic cutter for processing small holes and application thereof - Google Patents
Ultrasonic cutter for processing small holes and application thereof Download PDFInfo
- Publication number
- CN105397119A CN105397119A CN201511007800.7A CN201511007800A CN105397119A CN 105397119 A CN105397119 A CN 105397119A CN 201511007800 A CN201511007800 A CN 201511007800A CN 105397119 A CN105397119 A CN 105397119A
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- tool
- ultrasonic
- tool seat
- sliding sleeve
- ultrasonic cutter
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- 238000003754 machining Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/007—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor for internal turning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to an ultrasonic cutter for processing small holes and application thereof. The ultrasonic cutter comprises a fixing sleeve, a sliding sleeve, a variable amplitude bar, a transducer and a cutter head, wherein the sliding sleeve is arranged in the fixing sleeve, and the variable amplitude bar and the transducer are arranged in the sliding sleeve; a tool seat is ladder-shaped and comprises a first cylinder and a second cylinder, and the diameter of the first cylinder is not larger than 16mm; the front end of the sliding sleeve is connected with the cutter head; the cutter head comprises the tool seat and a tool head arranged on the tool seat, and the tool head vertically contacts with the variable amplitude bar. The structural form of the tool seat is improved, so that the overall structure size of the tool seat is decreased, the tool head can extend into an inner hole under 30mm for ultrasonic processing, and the processing range is wider. Meanwhile, a taper sleeve is connected with the tool seat through a key or a pin. When the gap between the variable amplitude bar and the tool head is adjusted, the rotation of the tool seat can be effectively prevented. Meanwhile, the uncertainty of direction of the tool head caused by the rotation of the tool seat is avoided.
Description
Technical field
The present invention relates to a kind of ultrasonic cutter and application thereof of machining small, belong to ultrasonic wave processing technique field.
Background technology
At present, ultrasonic wave is utilized to process comparative maturity in field of machining, wherein ultrasonic cutter is most important part in ultrasonic wave process, such as, ultrasonic cutter is utilized to process the inner surface of endoporus, the roughness of bore area can be reduced well, but because current ultrasonic cutter is when processing endoporus, ultrasonic cutter is needed to extend into inside endoporus, in larger for aperture, hole machined gets up more for convenience, but when aperture is less than 30mm, ultrasonic cutter cannot protrude into inside endoporus and carry out ultrasonic wave processing.
Such as, Chinese patent literature CN204195174U discloses a kind of ultrasonic metal surface machining cutter, this cutter comprises fixed cover, sliding sleeve, ultrasonic transformer and transducer, sliding sleeve is arranged in fixed cover, sliding sleeve is connected by alignment pin with fixed cover, and ultrasonic transformer and transducer are arranged in sliding sleeve, and transducer is connected to the rear end of ultrasonic transformer, sliding sleeve is stretched out in ultrasonic transformer front portion, and fixed cover rear portion is provided with the elastic body acted on sliding sleeve.This cutter can stretch into endoporus, can carry out ultrasonic wave processing well to the sidewall of endoporus, but this ultrasonic cutter can only process the endoporus that hole size is more than diameter 30mm, cannot process the endoporus of below diameter 30mm.
Therefore, need the ultrasonic wave processing cutting tool designing a kind of improved structure badly, to solve the problem cannot processing small endoporus.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of ultrasonic cutter of machining small.
The present invention also provides the using method of the ultrasonic cutter of above-mentioned a kind of machining small.
Technical scheme of the present invention is as follows:
A kind of ultrasonic cutter of machining small, comprise fixed cover, sliding sleeve, ultrasonic transformer, transducer and cutterhead, sliding sleeve is arranged in fixed cover, the rear portion of fixed cover is provided with the elastic body acted on sliding sleeve, ultrasonic transformer and transducer are arranged in sliding sleeve, transducer is connected to the rear end of ultrasonic transformer, sliding sleeve is stretched out in the front end of ultrasonic transformer, it is characterized in that, the front end of sliding sleeve connects cutterhead, cutterhead comprises tool seat and is arranged on the tool heads in tool seat, and be provided with the cavity holding ultrasonic transformer in tool seat, tool heads contacts with described ultrasonic transformer.
Preferably, described tool seat becomes stepped, and tool seat comprises the first cylinder and the second cylinder, and the first cylindrical diameter is less than the second cylindrical diameter, and tool heads gives prominence to the first cylindrical lateral surface.
Preferably, described first cylindrical diameter is not more than 16mm.
Preferably, the front end of described sliding sleeve is connected with tool seat by tapered sleeve, and one end of tapered sleeve is fixedly connected with the front end of sliding sleeve, the other end is connected with tool seat by adjusting to enclose, and adjustment circle is threaded with tapered sleeve.The benefit of this design is, when adjustment circle during threads turn, drives moving axially of tool seat on tapered sleeve.
Preferably, spring is provided with between described tool seat and tapered sleeve.
Preferred further, described spring is wavy spring.
Preferably, described tool seat is also provided with clamp ring, clamp ring is threaded with tool seat and is positioned at the one end adjusting and enclose.The benefit of this design is, when adjusting circle and adjusting to correct position, is locked adjustment circle by clamp ring.
Preferably, described tapered sleeve is fixedly connected with the front end of sliding sleeve by gland, and gland is connected with the front terminal bolt of sliding sleeve.
Preferably, described tapered sleeve is connected by key or sell with between tool seat.The benefit of this design is, is connected between tapered sleeve with tool seat by key or pin with the cooperation of keyway, and when adjusting the spacing between tapered sleeve and tool seat, key or pin effectively can prevent the rotation of tool seat.
Preferably, described tool heads is embedded is arranged on the front end of tool seat and is fixed by locating piece.
A using method for the ultrasonic cutter of machining small, comprises the following steps,
Before operation, adjust the gap of ultrasonic transformer and tool heads by rotating adjustment circle, when gap adjust to meet the requirements time, by clamp ring, adjustment circle is fixed; Then stretch in hole by the tool heads of ultrasonic cutter front end, tool heads contacts with the madial wall in hole; Start ultrasonic cutter, tool heads carries out ultrasonic wave processing to the madial wall in hole.
Beneficial effect of the present invention is:
1, ultrasonic cutter of the present invention is by improving the version of tool seat, the monnolithic case size of tool seat is diminished, change installation site and the mounting means of tool heads simultaneously, make tool heads and ultrasonic transformer perpendicular contact, reduce the physical dimension of cutterhead, can be used for processing the endoporus of below diameter 30mm, it can machining hole wider.
2, the present invention is connected by key or pin between tapered sleeve with tool seat, when regulating the gap of ultrasonic transformer and tool heads, effectively can prevent the rotation of tool seat, the uncertain problem in tool heads direction that the rotation simultaneously avoiding tool seat brings.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing ultrasonic cutter;
Fig. 2 is the main TV structure schematic diagram of ultrasonic cutter of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation of tool seat in the present invention.
Wherein: 1, fixed cover; 2, tapered sleeve; 3, gland; 4, adjustment circle; 5, clamp ring; 6, tool heads; 7, locating piece; 8, tool seat; 801, the first cylinder; 802, the second cylinder; 9, gathering sill; 10, key; 11, wavy spring; 12, ultrasonic transformer; 13, sliding sleeve; 14, alignment pin.
Detailed description of the invention
Below by embodiment, also the present invention will be further described by reference to the accompanying drawings, but be not limited thereto.
Embodiment 1:
As shown in Figures 2 and 3, a kind of ultrasonic cutter of machining small, this ultrasonic cutter comprises tool bodies, cutterhead and connection guiding mechanism, cutterhead is connected with tool bodies by connecting guiding mechanism, wherein tool bodies is existing structure, as shown in Figure 1, mainly comprise fixed cover 1, sliding sleeve 13, ultrasonic transformer 12 and transducer, sliding sleeve 13 is arranged in fixed cover 1, the rear portion of fixed cover 1 is provided with the elastic body acted on sliding sleeve 13, ultrasonic transformer 12 and transducer are arranged in sliding sleeve 13, transducer is connected to the rear end of ultrasonic transformer 12, sliding sleeve 13 is stretched out in the front end of ultrasonic transformer 12, ramp structure is arranged in the front end of ultrasonic transformer 12, the front end of sliding sleeve 13 connects cutterhead, cutterhead comprises tool seat 8 and is arranged on the tool heads 6 in tool seat, tool seat 8 is stair-stepping tool seat, comprise the first cylinder 801 and the second cylinder 802, tool heads 6 embeds the first cylinder and lateral surface, the periphery of tool heads 6 and the ramp structure perpendicular contact of ultrasonic transformer front end of outstanding first cylinder 801.
Wherein, the front end of sliding sleeve 13 is connected with tool seat 8 by tapered sleeve 2, tapered sleeve 2 is fixedly connected with by the front end of gland 3 with sliding sleeve 13, gland 3 is connected with the front terminal bolt of sliding sleeve 13, the front end of tapered sleeve 2 is connected with tool seat 8 by adjustment circle 4, adjustment circle 4 is an annulus, circle ring inner wall is provided with internal thread, internal thread is connected with the external screw thread of tapered sleeve 2 front end, one end of tool seat 8 is placed in annulus and the clamping of annulus collar extension, certain space is left between tool seat 8 and tapered sleeve 2, wavy spring 11 is placed with in space, when passing through the distance between adjustment circle 4 rotating regulating tools seat 8 and tapered sleeve 2 (its objective is the gap between adjustment means head and ultrasonic transformer), suitable spacing can be adjusted by wavy spring 11.
The tool heads 6 of the front end of ultrasonic transformer 12 puts in tool seat 8 cavity and tool seat front end from tapered sleeve 2 contacts, the ramp structure of the front end of ultrasonic transformer 12 and the angle of horizontal plane are 45 °, and the periphery of tool heads 6 and ramp structure degree in a vertical angle are arranged on the first cylinder.
Ultrasonic cutter in the present embodiment, change the existing structure form of tool seat, tool seat is made to become stepped, wherein tool seat comprises the first elongated cylinder, during operation, the first cylinder is stretched in hole and carries out ultrasonic wave processing, tool heads is made to stretch in tool seat and ramp structure perpendicular contact, decrease the installing space of tool heads in tool seat, correspondingly the overall outer dimensions of cutterhead is less, carries out ultrasonic wave processing in the hole enabling this cutterhead stretch into below diameter 30mm.
Embodiment 2:
A ultrasonic cutter for machining small, as described in Example 1, its difference is structure: tool seat 8 is also provided with clamp ring 5, and clamp ring 5 is threaded with tool seat 8 and is positioned at the one end adjusting circle 4.When adjusting circle 4 and adjusting to correct position, by clamp ring 5, adjustment circle 4 is locked.Spherical structure is arranged in the front end of ultrasonic transformer, the periphery of tool heads and spherical structure perpendicular contact.
Embodiment 3:
A ultrasonic cutter for machining small, as described in Example 1, its difference is structure: cutterhead also comprises locating piece 7, and tool heads 6 to be embedded on the cylindrical lateral surface of tool seat 8 first and to be positioned by locating piece 7 pairs of tool heads 6.
Embodiment 4:
A kind of ultrasonic cutter of machining small, structure as described in Example 1, its difference is: pass through key between tapered sleeve 2 and the second cylinder of tool seat 8 or sell to be connected, key 10 is selected to connect in the present embodiment, tapered sleeve 2 arranges key 10, second cylinder 802 inwall splines, and key 10 coordinates with keyway to be installed.Be connected with the cooperation of keyway by key or sell between tapered sleeve 2 with tool seat 8, when adjusting the spacing between tapered sleeve and tool seat, key or pin effectively can prevent the rotation of tool seat.
Embodiment 5:
A using method for the ultrasonic cutter of machining small, comprises the following steps,
Before operation, adjust the gap of ultrasonic transformer 12 and tool heads 6 by rotating adjustment circle 4, when gap adjust to meet the requirements time, by clamp ring 5, adjustment circle 4 is fixed; Then stretch in hole by the tool heads 6 of ultrasonic cutter front end, tool heads 6 contacts with the madial wall in hole; Start ultrasonic cutter, the madial wall in tool heads 6 pairs of holes carries out ultrasonic wave processing.
Claims (10)
1. the ultrasonic cutter of a machining small, comprise fixed cover, sliding sleeve, ultrasonic transformer, transducer and cutterhead, sliding sleeve is arranged in fixed cover, the rear portion of fixed cover is provided with the elastic body acted on sliding sleeve, ultrasonic transformer and transducer are arranged in sliding sleeve, transducer is connected to the rear end of ultrasonic transformer, sliding sleeve is stretched out in the front end of ultrasonic transformer, it is characterized in that, the front end of sliding sleeve connects cutterhead, cutterhead comprises tool seat and is arranged on the tool heads in tool seat, and be provided with the cavity holding ultrasonic transformer in tool seat, tool heads contacts with described ultrasonic transformer.
2. the ultrasonic cutter of machining small as claimed in claim 1, it is characterized in that, described tool seat becomes stepped, and tool seat comprises the first cylinder and the second cylinder, first cylindrical diameter is less than the second cylindrical diameter, and tool heads gives prominence to the first cylindrical lateral surface.
3. the ultrasonic cutter of machining small as claimed in claim 2, it is characterized in that, described first cylindrical diameter is not more than 16mm.
4. the ultrasonic cutter of machining small as claimed in claim 1, it is characterized in that, the front end of described sliding sleeve is connected with tool seat by tapered sleeve, and one end of tapered sleeve is fixedly connected with the front end of sliding sleeve, the other end is connected with tool seat by adjusting to enclose, and adjustment circle is threaded with tapered sleeve.
5. the ultrasonic cutter of machining small as claimed in claim 4, it is characterized in that, be provided with spring between described tool seat and tapered sleeve, described spring is wavy spring.
6. the ultrasonic cutter of machining small as claimed in claim 4, it is characterized in that, described tool seat is also provided with clamp ring, clamp ring is threaded with tool seat and is positioned at the one end adjusting and enclose.
7. the ultrasonic cutter of machining small as claimed in claim 4, it is characterized in that, described tapered sleeve is fixedly connected with the front end of sliding sleeve by gland, and gland is connected with the front terminal bolt of sliding sleeve.
8. the ultrasonic cutter of machining small as claimed in claim 4, is characterized in that, described tapered sleeve is connected by key or sell with between tool seat.
9. the ultrasonic cutter of machining small as claimed in claim 1, it is characterized in that, described tool heads is embedded to be arranged on the front end of tool seat and to be fixed by locating piece.
10. a using method for the ultrasonic cutter of the machining small as described in any one of claim 1-9, comprises the following steps,
Before operation, adjust the gap of ultrasonic transformer and tool heads by rotating adjustment circle, when gap adjust to meet the requirements time, by clamp ring, adjustment circle is fixed; Then stretch in hole by the tool heads of ultrasonic cutter front end, tool heads contacts with the madial wall in hole; Start ultrasonic cutter, tool heads carries out ultrasonic wave processing to the madial wall in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007800.7A CN105397119B (en) | 2015-12-29 | 2015-12-29 | A kind of ultrasonic cutter of machining small and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007800.7A CN105397119B (en) | 2015-12-29 | 2015-12-29 | A kind of ultrasonic cutter of machining small and its application |
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| Publication Number | Publication Date |
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| CN105397119A true CN105397119A (en) | 2016-03-16 |
| CN105397119B CN105397119B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511007800.7A Active CN105397119B (en) | 2015-12-29 | 2015-12-29 | A kind of ultrasonic cutter of machining small and its application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411103A (en) * | 2018-05-10 | 2018-08-17 | 山东华云机电科技有限公司 | A kind of robot ultrasonic impact device and its application |
| CN108971885A (en) * | 2018-09-29 | 2018-12-11 | 山东华云机电科技有限公司 | A kind of workpieces processing has Ultrasonic metal processing cutting tool for surface and its application of undercut structure feature |
| CN109514176A (en) * | 2019-01-03 | 2019-03-26 | 山东聚亿能智能科技有限公司 | A kind of ultrasonic wave processing cutting tool and its application |
| CN111265282A (en) * | 2020-01-21 | 2020-06-12 | 深圳市集声科技有限公司 | Ultrasonic surgical handle and ultrasonic surgical equipment |
| CN115846707A (en) * | 2023-03-02 | 2023-03-28 | 山东华云机电科技有限公司 | Metal surface machining cutter head device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007015688A1 (en) * | 2005-08-01 | 2007-02-08 | Georgij Ivanovich Prokopenko | Method for ultrasound vibro-impact processing of long-length product surface |
| CN202129463U (en) * | 2011-05-25 | 2012-02-01 | 赵显华 | Ultrasonic wave machining cutter head used for small hole |
| CN203509465U (en) * | 2013-11-08 | 2014-04-02 | 赵显华 | Supersonic machining cutter for inner hole or groove side surface |
| CN204195174U (en) * | 2014-11-05 | 2015-03-11 | 山东华云机电科技有限公司 | A kind of ultrasonic metal surface machining cutter |
| CN204366350U (en) * | 2014-12-26 | 2015-06-03 | 山东华云机电科技有限公司 | A kind of ultrasonic wave processing cutting tool without the need to adjusting play |
| CN205218091U (en) * | 2015-12-29 | 2016-05-11 | 山东华云机电科技有限公司 | Ultrasonic wave cutter of processing aperture |
-
2015
- 2015-12-29 CN CN201511007800.7A patent/CN105397119B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007015688A1 (en) * | 2005-08-01 | 2007-02-08 | Georgij Ivanovich Prokopenko | Method for ultrasound vibro-impact processing of long-length product surface |
| CN202129463U (en) * | 2011-05-25 | 2012-02-01 | 赵显华 | Ultrasonic wave machining cutter head used for small hole |
| CN203509465U (en) * | 2013-11-08 | 2014-04-02 | 赵显华 | Supersonic machining cutter for inner hole or groove side surface |
| CN204195174U (en) * | 2014-11-05 | 2015-03-11 | 山东华云机电科技有限公司 | A kind of ultrasonic metal surface machining cutter |
| CN204366350U (en) * | 2014-12-26 | 2015-06-03 | 山东华云机电科技有限公司 | A kind of ultrasonic wave processing cutting tool without the need to adjusting play |
| CN205218091U (en) * | 2015-12-29 | 2016-05-11 | 山东华云机电科技有限公司 | Ultrasonic wave cutter of processing aperture |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411103A (en) * | 2018-05-10 | 2018-08-17 | 山东华云机电科技有限公司 | A kind of robot ultrasonic impact device and its application |
| CN108971885A (en) * | 2018-09-29 | 2018-12-11 | 山东华云机电科技有限公司 | A kind of workpieces processing has Ultrasonic metal processing cutting tool for surface and its application of undercut structure feature |
| CN108971885B (en) * | 2018-09-29 | 2024-01-23 | 山东华云机电科技有限公司 | Ultrasonic metal surface machining tool with inverted concave structural characteristics for machining workpiece and application of ultrasonic metal surface machining tool |
| CN109514176A (en) * | 2019-01-03 | 2019-03-26 | 山东聚亿能智能科技有限公司 | A kind of ultrasonic wave processing cutting tool and its application |
| CN111265282A (en) * | 2020-01-21 | 2020-06-12 | 深圳市集声科技有限公司 | Ultrasonic surgical handle and ultrasonic surgical equipment |
| CN115846707A (en) * | 2023-03-02 | 2023-03-28 | 山东华云机电科技有限公司 | Metal surface machining cutter head device |
| CN115846707B (en) * | 2023-03-02 | 2023-05-23 | 山东华云机电科技有限公司 | Tool head device for metal surface machining |
Also Published As
| Publication number | Publication date |
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| CN105397119B (en) | 2018-07-06 |
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Denomination of invention: An ultrasonic cutting tool for machining small holes and its application Effective date of registration: 20231204 Granted publication date: 20180706 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Shun Hua North Road subbranch Pledgor: SHANDONG HUAWIN ELECTRICAL & MECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023370000135 |