CN109317705B - Gland for ultrasonic processing device and with vibration isolation function - Google Patents
Gland for ultrasonic processing device and with vibration isolation function Download PDFInfo
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- CN109317705B CN109317705B CN201811431259.6A CN201811431259A CN109317705B CN 109317705 B CN109317705 B CN 109317705B CN 201811431259 A CN201811431259 A CN 201811431259A CN 109317705 B CN109317705 B CN 109317705B
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- gland
- annular protruding
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- 210000004907 gland Anatomy 0.000 title claims abstract description 101
- 238000012545 processing Methods 0.000 title abstract description 62
- 238000002955 isolation Methods 0.000 title abstract description 6
- 238000013016 damping Methods 0.000 claims abstract description 57
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B23B27/002—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor with vibration damping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a gland with vibration isolation function for an ultrasonic processing device and an ultrasonic knife handle comprising the gland. After the gland provided by the invention is assembled with the ultrasonic processing device, the annular protruding part of the gland does not need to be cut, so that the processing procedure is reduced; further, as the vibration damping holes are formed in the annular protruding portions, ultrasonic vibration transmitted by the transducer can be effectively reduced, the rear end of the ultrasonic processing device body can be effectively reduced, and further the phenomenon that the ultrasonic vibration affects the rotation of the machine tool spindle and damages the machine tool spindle is avoided. Further, the balance weight parts with different weights are assembled in the vibration reduction holes, so that the dynamic balance of the whole ultrasonic processing device can be adjusted.
Description
Technical Field
The invention relates to the technical field of ultrasonic machining, in particular to a gland with vibration isolation function and an ultrasonic knife handle comprising the gland.
Background
In ultrasonic processing technology, transducer passes through flange and ultrasonic knife handle body fixed connection, and current fixed connection mode often has following several kinds:
The first is that a flange is connected with a cutter handle body through a screw;
The second is to fix the flange in the knife handle body by welding;
Both of these approaches ensure the connection stiffness; however, because of the unavoidable vibrations of the flange, the vibrations of the flange will cause consumption of ultrasonic vibration energy, so that the effective energy transferred to the processing tool is reduced, and the processing efficiency is lower; particularly, the vibration of the flange can also cause the vibration of the cutter handle body, the vibration is transmitted to the machine tool spindle connected to the rear end of the cutter handle body, the rotation of the machine tool spindle can be influenced, the impact on the machine tool spindle and even the damage to the machine tool can be caused, and the precision of the machine tool spindle can be influenced.
Thirdly, the flange is locked and fastened in the cutter handle body 2 by a fastening mode such as the gland 1 (see fig. 1), and the mode still cannot completely and effectively prevent the transducer 3 from rotating, so that the machining precision is lost; also in this manner, after the gland 1 is assembled to the shank body 2, in order to ensure that the gland 1 does not affect the circular runout and dynamic balance of the ultrasonic shank, the gland needs to be cut at the relief groove of the gland 1 by a lathe.
Secondly, in the prior art, the ultrasonic processing device often needs to perform dynamic balance adjustment, but the above-mentioned fixed connection mode cannot provide dynamic balance adjustment, and a special dynamic balance device needs to be set, for example, a dynamic balance ring is set to adjust dynamic balance, so as to meet the requirement of high-speed processing, and thus the rigidity and the integrity of the whole ultrasonic processing device are reduced.
Disclosure of Invention
The invention aims to provide a gland with vibration isolation function for an ultrasonic processing device and an ultrasonic knife handle comprising the gland, which can prevent the rotation of a machine tool spindle from being influenced by ultrasonic vibration and damage the machine tool spindle;
and further, another object of the present invention is to adjust the dynamic balance of the ultrasonic knife handle without providing a special dynamic balance device such as a dynamic balance ring.
In order to achieve the above object, an aspect of the present invention provides a gland for an ultrasonic processing apparatus, which includes a hollow gland body, a rear end of the gland body being adapted to be connected to the body of the ultrasonic processing apparatus, an outer edge of a front end of the gland body being provided with an annular boss provided with a plurality of vibration damping holes.
Preferably, the gland body and the annular boss are integrally formed.
Preferably, the vibration damping hole is arranged on the annular protruding part along the axial direction and/or the radial direction of the annular protruding part.
As a preferable scheme, the vibration damping hole is formed in the end face of the annular protruding portion along the axial direction of the annular protruding portion, and a vibration damping groove is formed in the outer edge of the annular protruding portion.
Preferably, the vibration damping groove is an annular groove surrounding the annular boss.
Preferably, the vibration damping hole is communicated with the vibration damping groove.
Preferably, the vibration reduction groove is formed in the center of the axial thickness of the annular protruding portion, and the depth of the vibration reduction hole is greater than half of the axial thickness of the annular protruding portion.
As a preferable scheme, the novel anti-vibration device further comprises a counterweight component, wherein a tool withdrawal groove is formed at the joint of the annular protruding part and the gland body, and the bottom of the vibration reduction hole of the annular protruding part is radially arranged closer to the center of the annular protruding part than the bottom of the tool withdrawal groove.
Preferably, a tool retracting groove is formed at the joint of the annular protruding part and the gland body, and the bottom of the tool retracting groove is closer to the center of the annular protruding part than the bottom of the annular groove.
Preferably, the opening direction of the vibration damping hole axially opened in the annular protruding portion faces the front end of the annular protruding portion.
Preferably, the gland further comprises a weight component, at least a part of the vibration reduction holes are matched with the weight component, and the vibration reduction holes are used for adjusting dynamic balance of the ultrasonic processing device.
Preferably, the vibration reduction hole is a threaded hole, and the counterweight component is a screw in threaded fit connection with the threaded hole.
Preferably, the vibration damping hole is a circular hole or a non-circular hole.
In order to achieve the same object, the present invention also provides an ultrasonic blade handle comprising:
The gland;
the tool handle body is provided with an inner cavity with an opening at the front end, the gland is inserted into the front end of the tool handle body, and the rear end of the tool handle body is used for being connected with a machine tool spindle;
The outer edge of the transducer is provided with a flange;
The transducer is inserted into the gland and the inner cavity of the tool handle body from the front end of the tool handle body and is in compression connection with the front end of the tool handle body through the gland;
The rear end of the gland body is pressed between the inner side wall of the handle body, the outer side wall of the transducer and the front end face of the flange, and the annular protruding portion is abutted to the front end face of the handle body.
Compared with the prior art, the invention has the beneficial effects that:
After the gland provided by the invention is assembled with the ultrasonic processing device, the annular protruding part of the gland does not need to be cut, so that the processing procedure is reduced, the transmission of ultrasonic vibration to the rear end of the body of the ultrasonic processing device can be effectively reduced, and the influence of the ultrasonic vibration on the rotation of a machine tool spindle and the damage of the machine tool spindle are avoided; further, since the annular boss is provided with the vibration damping hole, the vibration damping hole can effectively reduce the ultrasonic vibration transmitted from the transducer.
Further, the vibration damping hole can be used for assembling a counterweight part, when the dynamic balance of the ultrasonic processing device needs to be adjusted, for example, different processing tools are replaced, and the counterweight part with different weights is assembled in the vibration damping hole, so that the dynamic balance of the whole ultrasonic processing device can be adjusted, the processing precision is improved, meanwhile, the special dynamic balance device is avoided being installed to adjust the dynamic balance, and the rigidity and the integrity of the ultrasonic processing device are effectively ensured.
When the gland is applied to the ultrasonic knife handle, ultrasonic vibration energy transmitted to the gland by the flange of the transducer is reduced and transmitted to the knife handle, and further the influence of ultrasonic vibration on the rotation of the machine tool spindle and the damage of the machine tool spindle can be avoided.
Drawings
FIG. 1 is a schematic view of a prior art knife handle with a gland mounted thereon;
FIG. 2A is a perspective view of a gland according to an embodiment of the present invention;
FIG. 2B is a side view of a gland according to embodiments of the present invention;
FIG. 2C is a cross-sectional view A-A of FIG. 2B;
FIG. 3A is a perspective view of a second gland according to an embodiment of the present invention;
FIG. 3B is a side view of a second gland according to embodiments of the present invention;
FIG. 3C is a cross-sectional view A-A of FIG. 3B;
FIG. 4A is a perspective view of a triple gland according to an embodiment of the present invention;
FIG. 4B is a side view of a triple gland according to embodiments of the present invention;
FIG. 4C is a cross-sectional view A-A of FIG. 4B;
FIG. 5 is a schematic view of a handle with a gland according to the present invention
1. A gland; 11. a gland body; 12. an annular protruding portion; 13. a vibration damping hole; 14. a vibration reduction groove; 15. a tool retracting groove; 2. a shank body; 21. a step; 3. a transducer; 31. and (3) a flange.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples illustrate the invention in which the fastener takes the form of a gland and the ultrasonic machining device body takes the form of a shank body, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.
In addition, in the description of the present invention, the terms "front end" and "rear end" refer to the end close to the processing tool when the ultrasonic processing apparatus is mounted with the processing tool as "front end" and the end away from the processing tool as "rear end".
The first aspect of the invention provides a gland with vibration isolation function for an ultrasonic processing device, and the specific implementation modes of the gland are as follows:
Example 1
Referring to fig. 2A, 2B, and 2C specifically, this embodiment provides a gland 1 for an ultrasonic processing apparatus, where the gland 1 includes a gland body 11 and an annular boss 12, a rear end of the gland body 11 is a compressing portion for connecting with the body of the ultrasonic processing apparatus, an outer edge of a front end of the gland body 11 is provided with the annular boss 12, and a plurality of vibration damping holes 13 are provided on the annular boss 12.
In the present embodiment, preferably, as shown in fig. 2A, the plurality of vibration damping holes 13 are radially and uniformly provided on the outer edge of the annular boss 12, that is, the vibration damping holes 13 are opened on the outer edge of the annular boss 12 in the radial direction of the gland body 11. The vibration damping holes 13 are, but not limited to, holes of various specific shapes, such as circular holes or non-circular holes, such as triangular holes, pentagonal holes, tapered holes, etc.
As an alternative, the vibration damping hole 13 may be disposed along the axial direction of the gland body, that is, the vibration damping hole 13 is formed on the end surface of the annular protruding portion 12; similarly, the vibration damping hole 13 may be formed at the end face and the outer edge of the annular boss 12 at the same time.
Preferably, the gland body 11 and the annular protruding part 12 are integrally formed, and compared with the mode that the gland body 11 and the annular protruding part 12 are fixedly installed together after being formed separately, the integral rigidity of the gland 1 is improved, the processing procedure is saved, and the gland body 11 and the annular protruding part 12 are not detachable, so that the use safety performance of the gland 1 is higher.
The gland of this embodiment further includes a weight component (not shown in the figure), at least a portion of the vibration-damping hole 13 cooperates with the weight component for adjusting the dynamic balance of the ultrasonic processing device, and when different processing tools are replaced, by assembling weight components with different weights on the vibration-damping hole 13 of the gland 1, the dynamic balance of the whole ultrasonic processing device can be adjusted, thereby improving the processing precision, and particularly avoiding the adoption of a special dynamic balance device to adjust the dynamic balance of the ultrasonic processing device, and effectively ensuring the rigidity and the integrity of the ultrasonic processing device. Specifically, the vibration damping hole 13 is a threaded hole, the weight member is a screw, and the vibration damping hole 13 and the weight member are connected by screw fit. It should be noted that the vibration damping hole 13 and the weight part may be connected by other common connection means.
Further, an external thread is provided on the outer circumferential surface of the gland body 11 for threaded connection with the ultrasonic processing apparatus body.
In this embodiment, as shown in fig. 2C, in order to simplify the processing procedure, a relief groove 15 is provided at the connection between the annular protruding portion 12 and the gland body 11, and the bottom of the vibration damping hole 13 is closer to the center of the annular protruding portion 12 than the bottom of the relief groove 15, so that the annular protruding portion 12 is further subjected to material reduction processing, and the ultrasonic vibration can be further effectively reduced.
Example two
Referring specifically to fig. 3A, 3B, and 3C, the present embodiment provides a gland 1 for an ultrasonic processing apparatus, which differs from the first embodiment only in that: the plurality of vibration damping holes 13 are uniformly provided on the annular boss 12 in the axial direction of the annular boss 12, and the opening direction of the vibration damping holes 13 is toward the front end of the annular boss 12. Preferably, in order to further enhance the vibration damping effect, the depth of the vibration damping hole 13 is greater than half the axial thickness of the annular boss 12. Further, as shown in fig. 3C, the side wall of the vibration damping hole 13 near the center of the annular boss 12 of the present embodiment is flush with the bottom of the relief groove 15.
The other structures of the gland 1 of this embodiment are the same as those of the first embodiment, and will not be described here again.
Example III
Referring specifically to fig. 4A, 4B, and 4C, the difference between the gland 1 in the ultrasonic processing apparatus provided in this embodiment and the second embodiment is that a vibration reduction groove 14 is further formed in the circumferential direction of the outer edge of the annular protruding portion 12, the vibration reduction groove 14 is an annular groove surrounding the annular protruding portion 12 and disposed at the central position of the axial thickness of the annular protruding portion 12, and the vibration reduction hole 13 disposed axially is communicated with the vibration reduction groove 14, and the vibration reduction groove 14 is matched with the vibration reduction hole 13, so that ultrasonic vibration can be transmitted and diffused to the periphery, and thus the ultrasonic vibration can be effectively reduced or even isolated.
In addition, as shown in fig. 4C, the bottom of the vibration damping hole 13 is closer to the center of the annular boss 12 than the bottom of the relief groove 15, whereby the overall rigidity of the gland 1 can be improved while ensuring the vibration damping effect.
The other structures of the gland 1 in this embodiment are the same as those in the embodiment, and the description thereof will not be repeated.
The gland 1 in all the embodiments can be used in an ultrasonic processing device, wherein the ultrasonic processing device comprises an ultrasonic knife handle, an ultrasonic clamp, an ultrasonic main shaft, an ultrasonic machine tool and the like; the invention takes an ultrasonic knife handle as an example.
A second aspect of the present invention provides an ultrasonic blade handle comprising: the gland 1, the shank body 2 and the transducer 3 provided in any of the embodiments described above.
The tool handle body 2 is provided with an inner cavity with an opening at the front end, the gland 1 is inserted into the front end of the tool handle body 2, and the rear end of the tool handle body 2 is used for being connected with a main shaft of a machine tool; the outer edge of the transducer 3 is provided with a flange 31, and the front end of the transducer 3 is used for installing a processing tool; the transducer 3 is inserted into the gland 1 and the inner cavity of the tool shank body 2 from the front end of the tool shank body 2 and is in compression connection with the front end of the tool shank body 2 through the gland 1; the rear end of the gland body 11 is a pressing portion which is pressed between the inner side wall of the handle body 2, the outer side wall of the transducer 3 and the front end face of the flange 31, and the annular boss 12 abuts against the front end face of the handle body 2. In this embodiment, the processing tool includes a cutter, a grinding head, a grinding wheel disc, and the like.
On the one hand, the gland 1 can provide a pressing force for the flange 31 of the transducer 3, so that the flange 31 is combined with the ultrasonic knife handle body 2 more tightly, and the structural strength of a product is enhanced. On the other hand, since the vibration damping hole 13 and the vibration damping groove 14 are both provided on the annular protrusion 12, and the annular protrusion 12 is abutted against the front end surface of the tool shank body 2 and is not pressed between the inner side wall of the tool shank body 2 and the outer side wall of the transducer 3, the ultrasonic vibration can be directly transmitted to the gland 1 via the flange 31, and the vibration damping hole 13 and the vibration damping groove 14 provided on the gland 1 can consume the ultrasonic vibration, so that the ultrasonic vibration generated by the flange 31 is prevented from being transmitted to the tool shank.
Further, a step 21 is provided on the inner side wall of the inner cavity of the tool shank body 2, and the rear end face of the flange 31 abuts against the step 21.
The gland 1 is sleeved on the periphery of the transducer 3, and the end face of the other end of the gland body 11 abuts against the front end face of the flange 31 so as to compress the flange 31.
After the gland 1 is assembled to the tool handle body 2, the annular protruding part 12 does not need to be cut, so that the processing procedure is further reduced; further, since the vibration-damping holes 13 and/or the vibration-damping grooves 14 are provided on the annular protrusion 12, the vibration-damping holes 13 and/or the vibration-damping grooves 14 can effectively consume part of the ultrasonic vibration, thereby avoiding the transmission of the part of the ultrasonic vibration energy generated by the flange 31 to the tool shank;
And the vibration damping holes 13 can also be used for assembling counterweight parts, when the dynamic balance of the ultrasonic processing device needs to be adjusted, for example, different processing tools are replaced, and counterweight parts with different weights are assembled in the holes, so that the dynamic balance of the whole ultrasonic processing device can be adjusted, the processing precision is improved, and meanwhile, the special dynamic balance device is avoided being installed to adjust the dynamic balance, so that the rigidity and the integrity of the ultrasonic processing device are effectively ensured.
Table 1 is a comparative table of the experiments in the various examples
As shown in table 1, taking an ultrasonic knife handle as an example, after the gland 1 is locked on the knife handle body 2, the gland of the prior art is a common gland structure (see fig. 1 specifically) after the gland is cut at the knife withdrawal slot, and the gland 1 of the present invention is the gland structure of the first, second and third embodiments. Experiments show that the gland provided by the invention can effectively improve the amplitude of the front section of the cutter handle while reducing the vibration of the rear end of the cutter handle body. It can be further derived from experimental data that the vibration reduction hole 13 is formed in the annular protruding portion 12, so that vibration at the rear end of the cutter handle body can be further reduced, and particularly, the vibration reduction effect on the rear end of the cutter handle body is better after the vibration reduction groove 14 and the vibration reduction hole 13 are formed in the annular protruding portion 12 at the same time.
In summary, after the gland provided by the invention is assembled with the ultrasonic processing device, the annular protruding part of the gland does not need to be cut, so that the processing procedure is reduced; further, as the vibration damping holes are formed in the annular protruding portions, ultrasonic vibration transmitted by the transducer can be effectively reduced, the rear end of the ultrasonic processing device body can be effectively reduced, and further the phenomenon that the ultrasonic vibration affects the rotation of the machine tool spindle and damages the machine tool spindle is avoided.
Further, the vibration damping hole can be used for assembling a counterweight part, when the dynamic balance of the ultrasonic processing device needs to be adjusted, for example, different processing tools are replaced, and the counterweight part with different weights is assembled in the vibration damping hole, so that the dynamic balance of the whole ultrasonic processing device can be adjusted, the processing precision is improved, meanwhile, the special dynamic balance device is avoided being installed to adjust the dynamic balance, and the rigidity and the integrity of the ultrasonic processing device are effectively ensured.
When the gland is applied to the ultrasonic knife handle, ultrasonic vibration energy transmitted to the gland by the flange of the transducer is reduced and transmitted to the knife handle, and further the influence of ultrasonic vibration on the rotation of the machine tool spindle and the damage of the machine tool spindle can be avoided.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (5)
1. The ultrasonic knife handle is characterized by comprising a knife handle body and a gland, wherein the gland comprises a hollow gland body, the rear end of the gland body is connected with the knife handle body, an annular protruding part is arranged at the outer edge of the front end of the gland body, and a plurality of vibration reduction holes are formed in the annular protruding part;
The gland further comprises a weight part, at least a part of the vibration reduction holes are matched with the weight part, and the weight part is used for adjusting dynamic balance of the ultrasonic knife handle;
The gland body and the annular protruding part are integrally formed;
A tool retracting groove is formed at the joint of the annular protruding part and the gland body;
The vibration damping hole is formed in the annular protruding part along the axial direction and/or the radial direction of the annular protruding part;
When the vibration damping hole is formed along the axial direction of the annular protruding part, the vibration damping hole is formed on the end surface of the annular protruding part, and the outer edge of the annular protruding part is also provided with a vibration damping groove; the vibration reduction groove is an annular groove surrounding the annular protruding part; the vibration damping hole is communicated with the vibration damping groove; the vibration reduction groove is formed in the center of the axial thickness of the annular protruding portion, and the depth of the vibration reduction hole is larger than half of the axial thickness of the annular protruding portion; the bottom of the tool retracting groove is closer to the center of the annular protruding part than the bottom of the annular groove;
when the vibration damping hole is formed along the radial direction of the annular protruding portion, the bottom of the vibration damping hole is closer to the center of the annular protruding portion than the bottom of the tool retracting groove.
2. The ultrasonic blade holder of claim 1, wherein the vibration-damping hole axially provided in the annular boss has an opening direction toward a front end of the annular boss.
3. The ultrasonic blade handle of claim 1, wherein the vibration reduction hole is a threaded hole and the weight member is a screw threadedly coupled to the threaded hole.
4. The ultrasonic blade handle of claim 1, wherein the vibration-damping aperture is a circular aperture or a non-circular aperture.
5. The ultrasonic knife handle according to claim 1, wherein the knife handle body is provided with an inner cavity with an opening at the front end, the gland is inserted into the front end of the knife handle body, and the rear end of the knife handle body is used for being connected with a main shaft of a machine tool;
the ultrasonic knife handle further comprises: the outer edge of the transducer is provided with a flange;
The transducer is inserted into the gland and the inner cavity of the tool handle body from the front end of the tool handle body and is in compression connection with the front end of the tool handle body through the gland;
The rear end of the gland body is pressed between the inner side wall of the handle body, the outer side wall of the transducer and the front end face of the flange, and the annular protruding portion is abutted to the front end face of the handle body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431259.6A CN109317705B (en) | 2018-11-26 | 2018-11-26 | Gland for ultrasonic processing device and with vibration isolation function |
| PCT/CN2019/118533 WO2020108318A1 (en) | 2018-11-26 | 2019-11-14 | Gland for ultrasonic machining device, and ultrasonic knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431259.6A CN109317705B (en) | 2018-11-26 | 2018-11-26 | Gland for ultrasonic processing device and with vibration isolation function |
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| Publication Number | Publication Date |
|---|---|
| CN109317705A CN109317705A (en) | 2019-02-12 |
| CN109317705B true CN109317705B (en) | 2024-05-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108318A1 (en) * | 2018-11-26 | 2020-06-04 | 汇专科技集团股份有限公司 | Gland for ultrasonic machining device, and ultrasonic knife handle |
| CN113476110A (en) * | 2021-08-21 | 2021-10-08 | 成都科汇模具有限公司 | Compression rear cover of medical ultrasonic knife transducer |
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| CN108856767A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | A kind of dynamic balance type ultrasonic wave knife handle |
| CN108856765A (en) * | 2018-09-29 | 2018-11-23 | 广州汇专工具有限公司 | Ultrasonic wave knife handle component and the method for measuring the knife handle component center of gravity |
| CN209288300U (en) * | 2018-11-26 | 2019-08-23 | 汇专绿色工具有限公司 | A kind of gland and ultrasonic wave knife handle for supersonic machining apparatus |
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