CN111844215B - Ultrasonic knife handle - Google Patents
Ultrasonic knife handle Download PDFInfo
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- CN111844215B CN111844215B CN201910339788.1A CN201910339788A CN111844215B CN 111844215 B CN111844215 B CN 111844215B CN 201910339788 A CN201910339788 A CN 201910339788A CN 111844215 B CN111844215 B CN 111844215B
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
Abstract
The invention provides an ultrasonic knife handle, which consists of a knife sleeve, an amplitude transformer, a coating and a contact electrode pull bolt; the cutter sleeve is internally communicated with a resonant cavity through a thread part and a channel, the thread part is provided with a thread height, and a plurality of lock holes are annularly arranged on the bottom surface of an opening; the amplitude transformer is tightly matched with the bottom surface of the opening through a correcting plane, the correcting plane forms an adjusting rod and a chuck in the opposite direction, and a vibration generator system is arranged on the correcting plane and is arranged on the adjusting rod; the coating is applied to the appearance of the vibration generator system through overlapping treatment and combining treatment so as to bear vibration potential and shearing deformation; the contact electrode is locked on the thread part by pulling the bolt torque, so that the contact electrode inputs a moving current to drive the vibration generator system to drive the chuck to cause mechanical vibration.
Description
Technical Field
The present invention relates to an ultrasonic tool shank, and more particularly, to an ultrasonic tool shank in which a coating layer having a stripe shape and a width in a vertical direction and a horizontal direction is applied in a coating operation in an overlapping process and a bonding process on an appearance of the vibration generator system to form a plurality of stripes alternately layered and extending along the appearance, the coating layer being configured to withstand a vibration potential applied in the vertical direction by the vibration generator system and a shear deformation applied in the horizontal direction.
Background
The novel ultrasonic knife handle component is as in the Chinese publication No. CN104526751, and is mainly characterized in that: comprises a knife handle shell, piezoelectric ceramics and a knife sleeve connected with the knife handle shell; the piezoelectric ceramic is used for converting electric energy into mechanical vibration energy and generating vibration; the cutter sleeve comprises an amplitude-variable rod part and a cutter head connected with the amplitude-variable rod part and used for machining a workpiece, wherein the amplitude-variable rod part is connected with piezoelectric ceramics and used for transmitting the vibration of the piezoelectric ceramics to the cutter head after amplitude amplification treatment; the piezoelectric ceramic is positioned in the cavity of the knife handle shell; the positive electrode and the negative electrode of the piezoelectric ceramic are both connected with wires, and the wires are both electrically connected with conductive pieces; the cutter handle shell is provided with two mounting grooves, and each mounting groove penetrates through the outer side wall of the cutter handle shell; the mounting groove is internally provided with an insulating sleeve, the two conductive pieces are correspondingly inserted into the insulating sleeves one by one, and the conductive pieces are separated from the handle shell by the insulating sleeves; the conductive piece is provided with an outer end surface exposed outside the cutter handle shell; the main disadvantages of the structure are as follows: when the designed positions of the conducting wire and the insulating sleeve are arranged on the main shaft, the contact of the conducting wire and the balance of the knife handle are poor due to a trace pollutant (micropollutant).
The conventional ultrasonic cutting blade holder for center processing machine is disclosed in Taiwan patent No. TWM454887, which is mainly characterized in that: the piezoelectric device comprises a cutter handle, a plurality of piezoelectric sheets and a joint rod, wherein the joint rod is fixed on the cutter handle, two ends of each piezoelectric sheet are divided into a positive pole end and a negative pole end, the piezoelectric sheets are stacked and fixed on the joint rod, the polar ends with the same polarity are adjacent, and the piezoelectric sheets generate ultrasonic-level vibration to drive the joint rod to linearly vibrate relative to the cutter handle; therefore, the joint rod clamps a cutting-off knife, and the cutting-off knife can be driven to generate ultrasonic-level linear vibration through the ultrasonic-level vibration of the piezoelectric sheets, so that the cutting-off knife can be used for cutting a workpiece; the main disadvantages in its constitution are: the assembly of the joint rod on the cutter handle can not control the balance precision and quality of the assembly.
Since complete tool shank balancing is never achieved, a suitable residual amount is allowed, and the amount of the residual amount depends on the size of the mechanical type and the cost of the balancing operation, so that a balance grade standard is provided.
Regarding the prior art of the ultrasonic knife handle, the problems of equivalent high-speed vibration of CN 650198, CN 560962, CN 565609, CN 562739, CN 560962, CN 558683, TWM557657, TWM556641, TWM555265, TWM539419, TWM538434, TWM538435, TWI566062, TWM534055, TWM534064, TWM462640, TWM455583, TWM454887, TWM454888, TWM428011, TWM426466, TWM 42424210, TWM 37272763, TW201836760, TW 27550, TW 21707, CN 099735, CN 281072945, CN206215939, CN202344315, CN 7235353519, CN 643463, CN 6478857, CN 78787878787878787878782016078499 499 9, CN 1019898989898989, CN 101899, CN 10130098899, CN 1013009898899, CN 10130098899, CN 101300989, CN 1013009808, CN 101300989, CN 10130072899, CN 101300989, CN 101300729, CN 101300989, CN 101729, CN 101300729, CN 101729, CN 101723421708, CN 1017208, CN 101729, CN 1017208, CN 101729, CN 1017208, CN 1017227, CN 10130008, CN 1017208, CN 10130008, CN 1017227, CN 10130008, CN 1017208, CN 1017227, CN 10130008, CN 1017208, CN 101729, CN 10130008, CN 1017227, CN 1017208, CN 10130008, CN 92, CN 10130008.
Disclosure of Invention
It is an object of the present invention to provide a tool shank constructed by combining a bonding compound with a curing compound to produce a composite structure that strengthens the vibration generator system.
It is another object of the present invention to provide a tool holder for ultrasonic tool, which can effectively eliminate the vibration generated by the unbalanced vibration of the horn and the vibration generator system.
In order to achieve the purpose of the invention, the technical scheme is as follows:
an ultrasonic tool holder, comprising:
the cutter sleeve is internally communicated with a resonant cavity through a thread part and a channel, the thread part has a thread height, the resonant cavity has a first side facing the channel and a second side facing an opening bottom surface, and the opening bottom surface is annularly provided with a plurality of lock holes;
an amplitude transformer having a calibration plane tightly fitted to the bottom surface of the opening, a plurality of through holes formed thereon, and fixed to the lock hole by passing a plurality of bolts through the through holes to seal the bottom surface of the opening of the resonant cavity, the calibration plane forming an adjustment rod and a chuck in opposite directions, the calibration plane having a vibration generator system stacked in parallel and locked thereon;
a coating layer applied in a coating operation on an appearance of the vibration generator system in an overlapping process and a combining process, the coating layer having stripe shapes and widths in a vertical direction and a horizontal direction to form a plurality of stripes which are alternately layered and extend along the appearance, the coating layer being made of a bonding compound having a curing action, the coating layer being configured to withstand a vibrational potential applied in the vertical direction and a shear deformation applied in the horizontal direction by the vibration generator system;
the contact electrode and the elastic body are simultaneously fixed in a positioning hole of the contact electrode pulling bolt, so that the contact electrode slides in a limiting way in an upper limit and a lower limit of the positioning hole formed by the insulating sleeve, the contact positive electrode is connected with a positive plate of the vibration generator system by a first lead, the contact negative electrode is connected with a negative plate of the vibration generator system by a second lead, and the vibration generator system is driven by inputting a moving current to generate amplitude to drive the chuck to cause mechanical vibration.
An ultrasonic tool holder, comprising:
the cutter sleeve is internally communicated with a resonant cavity through a thread part and a channel, the thread part has a thread height, the resonant cavity has a first side facing the channel and a second side facing an opening bottom surface, and the opening bottom surface is annularly provided with a plurality of lock holes;
an amplitude transformer having a calibration plane tightly fitted to the bottom surface of the opening, a plurality of through holes formed thereon, and fixed to the lock hole by passing a plurality of bolts through the through holes to seal the bottom surface of the opening of the resonant cavity, the calibration plane forming an adjustment rod and a chuck in opposite directions, the calibration plane having a vibration generator system stacked in parallel and locked thereon;
an inorganic colloid is conveyed to a gap between the resonant cavity and the vibration generator system by the filling device through a pulse response and a filling pulse wave, the gap between the first side and the resonant cavity is filled with the inorganic colloid from the second side, the pulse response and the filling pulse wave can balance the flow rate, no air bubble or air hole is generated in the gap, and the inorganic colloid is kept in a colloid fixed phase to flow and seal the vibration generator system;
the contact electrode and the elastic body are simultaneously fixed in a positioning hole of the contact electrode pulling bolt, so that the contact electrode slides in a limiting way in an upper limit and a lower limit of the positioning hole formed by the insulating sleeve, the contact positive electrode is connected with a positive plate of the vibration generator system by a first lead, the contact negative electrode is connected with a negative plate of the vibration generator system by a second lead, and the vibration generator system is driven by inputting a moving current to generate amplitude to drive the chuck to cause mechanical vibration.
The coating of the present invention is applied in a coating operation on an appearance of the vibration generator system in an overlapping process and a combining process, the coating having a stripe shape and a width in a vertical direction and a horizontal direction to form a plurality of stripes alternately layered and extending along the appearance, the coating being configured to withstand a vibration potential applied by the vibration generator system in the vertical direction and a shear deformation applied in the horizontal direction.
Drawings
FIG. 1 is a schematic cross-sectional view of a megasonic tool holder in accordance with the present invention;
FIG. 2 is a schematic cross-sectional view of the sheath;
FIG. 3 is a schematic cross-sectional view of the horn;
FIG. 4 is a cross-sectional exploded schematic view of the vibration generator system;
FIG. 5 is a cross-sectional assembly view of the vibration generator system;
FIG. 6 is a schematic cross-sectional view of the contact electrode pull stud;
FIG. 7 is a schematic cross-sectional view of the contact electrode;
FIG. 8 is a schematic cross-sectional view of the contact electrode pull stud and the contact electrode;
FIG. 9 is a schematic diagram of the operation of the contact electrode on the contact electrode pull plug;
FIGS. 10-12 are cross-sectional views of a second embodiment of the megasonic tool handle; and
FIG. 13 is a cross-sectional view of a third embodiment of the megasonic tool handle.
Description of reference numerals: 1-a knife sleeve; 11-a threaded portion; 12-a channel; 13-a resonant cavity; 14-a first side; 15-a second side; 16-open bottom surface; 17-a lock hole; 2-an amplitude transformer; 21-correction plane; 22-a through hole; 23-a bolt; 24-an adjusting rod; 25-a chuck; 26-upper end screw thread; 3-a vibration generator system; 31-a first piezoelectric crystal; 32-positive plate; 33-a second piezoelectric crystal; 34-a negative plate; 35-a counterweight; 36-round nut with fixed lockhole on the side; 41-coating; 42-inorganic colloid; 5-contact electrode tie-down; 51-external threads; 52-positioning holes; 53-upper and lower limits; 54-a first conductive line; 55-a second conductive line; 6-a contact electrode; 61-contacting the positive electrode; 611-a conical surface; 612-positive terminal; 62-an insulating sleeve; 621-a through hole; 622-air holes; 63-contacting the negative electrode; 631-perforation; 632-bottom end; 633-screw thread extension end; 64-an elastomer; 65-nut.
Detailed Description
Referring to fig. 1, a first embodiment of an ultrasonic knife handle provided in the present invention mainly includes: a knife sheath 1, an amplitude transformer 2, a coating 41, a contact electrode pull bolt 5 and a contact electrode 6.
Referring to fig. 2, the cutter sheath 1(knife cover) is made of a stainless steel alloy containing chromium in an amount of 10 mass% or more, such as stainless steel of martensite (main) system such as SUS403, SUS410, SUS416, SUS420, SUS431, SUS440, etc., in JIS standard, in which a threaded portion 11(threaded portion) and a passage 12(flow passage) communicate with a resonant cavity 13(resonant cavity) having a thread height (height of thread) 11, the resonant cavity 13 having a first side 14 facing the passage 12 and a second side 15 facing an opening bottom 16(opening bottom), the opening bottom 16 having a plurality of locking holes 17 formed therein;
referring to fig. 3, the horn 2 is made of an alloy steel containing stainless steel chromium of 10 mass% or more, such as stainless steel of the martensite (main) system of JIS standard SUS403, SUS410, SUS416, SUS420, SUS431, SUS440, etc., a correcting plane 21 (correcting plane) is closely fitted (closed) to the opening bottom surface 16, a plurality of through holes 22 are formed thereon with respect to the plurality of locking holes 17, a plurality of bolts 23 are fixed (lighting up) to the locking holes 17 through the through holes 22 to seal the opening bottom surface 16 of the resonance chamber 13, the correcting plane 21 forms an adjusting rod 24(adjusting rod) and a collet 25(chuck) in opposite directions, a vibration generator system 3(vibration generator system) is stacked (parallel) on the correcting plane 21 and locked to the upper end (upper) of the adjusting rod 24, the vibration generator system includes: a first piezoelectric crystal 31 (piezoelectric crystal), a positive plate 32(positive plate), a second piezoelectric crystal 33 (piezoelectric crystal), a negative plate 34(negative plate), and a counterweight 35(balancing weight), and then a round nut 36(round with set holes in side) is locked on the upper thread of the adjusting rod 24 (upper screw thread), as shown in fig. 4 and 5;
referring to fig. 1, the coating 41 is applied with a coating operation (coating operation) in an overlapping process (overlapping processing) and a combining process (combined processing) on an appearance (exterior finish) of the first piezoelectric crystal 31, the positive plate 32, the second piezoelectric crystal 33, the negative plate 34, the weight 35 and the side-lockhole round nut 36 of the vibration generator system 3, the coating 41 has a stripe shape (front stripe) and a width (width) in a vertical direction (vertical direction) and a horizontal direction (horizontal direction) to form an interlaced lamination (or interlaced lamination) and a plurality of stripes (stripes) extending along the appearance, the coating 41 is made of a bonding compound (junction) with a curing effect (solid) to receive the vibration generator system 3, the coating 41 is made of the piezoelectric crystal 31, the piezoelectric crystal 31 is made of the first piezoelectric crystal 31, and the vibration generator system receives the vibration generated by the bonding compound (junction lamination) with the curing effect (solid lamination) and the bonding compound (combined lamination) of the vibration generator system 3, A vibration potential (vibration-motion force) applied in the vertical direction by the positive plate 32, the second piezoelectric crystal 33, the negative plate 34, the weight 35 and the round nut 36 with the side hole and the fixed lock hole on the side surface and a shear deformation (shear deflection) applied in the horizontal direction;
referring to fig. 6-8, the contact electrode pull plug 5(contact electrode pull plug) is locked (torquely secured) to the threaded portion 11 of the tool holder 1 by an external thread 51 (large scale) torque, and a center of mass (center of mass) is combined (composite) from inside to outside with a contact electrode 6(contact positive electrode), an insulating sleeve 62(insulating pushing) and a contact negative electrode 63(contact negative electrode) after forming a contact electrode 6(contact electrode) and passing through an elastic body 64, and the contact electrode 6 and the elastic body 64 are simultaneously fixed in a positioning hole 52 (positioning hole) of a stepped (class shape) of the contact electrode pull plug 5, so that the contact electrode 6 slides in a lower limit 53 (lower limit) of the positioning hole 52 formed by the insulating sleeve 62, as shown in fig. 8. As shown in fig. 1 and 7, the positive contact electrode 61 is connected to the positive plate 32 of the vibration generator system 3 by a first wire 54, the negative contact electrode 63 is connected to the negative plate 34 of the vibration generator system 3 by a second wire 55, the negative plate 34 provides a negative earth (minus earth) effect, and the contact electrode 6 inputs a moving current (migration current) to drive the vibration generator system 3 to generate an amplitude to drive the chuck 25 to cause mechanical vibration (mechanical vibration).
In this aspect, the method of the coating operation of the coating 41 of the present invention comprises the steps of:
step 1: forming a plurality of stripes with stripe shapes and widths in a vertical direction on the appearance of the vibration generator system 3 by the jointing compound, waiting for 2-10 hours until the jointing compound is dried, and then executing the step 2;
step 2: forming a plurality of stripes with stripe shapes and widths on the appearance of the vibration generator system 3 in a horizontal direction by the bonding compound, waiting for 2-10 hours until the bonding compound is dried, and then executing the step 3;
and step 3: continuing to execute the step 1;
and 4, step 4: a coating 41 of appropriate stripe shape and width is dispensed on the appearance of the vibration generator system 3 by causing two or more layers of the bonding compound in the vertical direction and the bonding compound in the horizontal direction to be cured by an overlapping process and a bonding process;
and 5: measuring the vibration quantity and the phase angle of the ultrasonic knife handle by using a dynamic balance measuring instrument, calculating the unbalance mass and the phase angle of the ultrasonic knife handle according to the vibration quantity and the phase angle, and then executing the step 5; if the vibration quantity result meets the standard specification, continuing to execute the step 7;
step 6: the bonding compound is distributed with a proper stripe shape and width to be coated at an unbalanced phase angle position, and waits for 2-10 hours until being dried, and then the step 5 is executed;
and 7: the coating 41 has optimized or adjusted the rotational or dynamic balance of the vibration generator system 3, and the adjustment of the dynamic balance with the coating 41 is accomplished.
For example, the appearance of the vibration generator system 3 in the illustrated embodiment includes treating the cured bonding compound with an overlap of a vertical direction (vertical direction) and a horizontal direction (horizontal direction), combining the coating 41 treated within the cured bonding compound and the coating 41 that may be knife-coatable, the coating 41 may be formed as a fine machined surface to match the appearance dry wall surface of the vibration generator system 3. Wherein the coating step is performed within 2 to 10 hours of preparing the bonding compound, and the bonding compound is cured. Advantageously, the coating 41 of the present invention may further comprise one or more crosslinking compounds or resins, one or more toughening compounds, a thermoplastic organic polymer, a thermosetting organic polymer, a thermoplastic resin, a thermosetting resin and inorganic filler materials, the coating 41 forming a structure having an excellent resistance to the vibrational potential and the shear deformation achieved by the vibration generator system 3 when coating the appearance of the vibration generator system 3 in operation. Further, the coating 41 formed in a stripe shape and width can constitute a local balance weight (local balance weight) on the appearance of the vibration generator system 3, which is used to fine-tune one or more rotational balances (rotational balances) and one or more dynamic balances (dynamic balances) included in the vibration generator system 3 to optimize or improve the rotational balance or dynamic balance of the vibration generator system 3, although the coating 41 is illustrated as being applied to operate the vibration generator system 3. In the illustrated embodiment, the coating 41 is advantageously configured to withstand shear deformation, tensile stress, and compressive stress applied between the first piezoelectric crystal 31 and the second piezoelectric crystal 33 of the vibration generator system 3.
The vibration generator system 3 may consist of the same or similar type of coating 41 subjected to a coating operation. Coating operation the vibration generator system 3 is advantageously configured for dispensing the coating 41 in the appropriate stripe shape and width during the overlay process and bonding process. Further, the coating 41 is made of more than two layers of stripe shapes and widths. As used herein, a "layer" refers to a plurality or group of bonding compounds that share similar characteristics, including, but not limited to, similar composition, size, function, and/or coating pattern. Thus, while the coating 41 is described and illustrated in terms of a few examples of bonding compounds for a coating operation, it is contemplated that the coating 41 may be applied together in a staggered layered configuration or staggered configuration and a plurality of stripes extending along the appearance in a curing action.
In the illustrated embodiment, the stripe shape and width form the coating 41 of the vibration generator system 3, have a stripe shape and width extending along the vibration generator system 3 of the coating 41, and are formed to permit application and handling of the coating 41 to provide shear deformation, tensile stress, and compressive stress, and the like. In one embodiment, the bonding compound may comprise an adhesive that permits the bonding compound to be applied around the vibration generator system 3 directly to a dry appearance during the application of the bonding compound to the appearance of the vibration generator system 3. The coating 41 may be made of any suitable material having good microbending and strength properties that permit the bonding compound to be formed into the vibration generator system 3. The coating 41 actively dampens the vibration potential advantageously in the vertical direction, which allows the coating 41 to handle, mount and encapsulate the vibration generator system 3, and is rigid in the horizontal direction, which enables the vibration generator system 3 to withstand shear deformation and shear loads. The coating 41 preferably adapted to form a stripe shape and width can constitute the local balancing weight on the appearance of the vibration generator system 3, the local balance weight can finely adjust the rotation balance or dynamic balance of the vibration generator system 3, and the vibration amount and phase angle of the ultrasonic knife handle can be measured by using sensors such as dynamic balance measuring instrument or acceleration gauge, the magnitude of the unbalanced mass of the ultrasonic tool holder and the phase angle theta thereof can be calculated according to the magnitude of the vibration quantity and the phase angle thereof, coating with the coating 41 (or the bonding compound) operates at unbalanced phase angle positions, such that the rotational or dynamic balance of the vibration generator system 3 can be optimized or tuned up, with each of the coating 41 being formed to the size of the bonding compound that is coated or otherwise structured in a stripe shape to balance the size of the mass of the ultrasonic tool shank and its phase angle. Depending on the materials used to make the joining compound, it is flexible enough to allow the joints between the first piezoelectric crystal 31, the positive electrode plate 32, the second piezoelectric crystal 33, the negative electrode plate 34, the weight 35, and the side-holed round nut 36 to extend in the vertical direction, so that the stripe shape and width can withstand significant vibrational potential and shear deformation stresses after forming the vibration generator system 3.
After the ultrasonic tool holder starts to operate, the rotation center is fixed and not deviated, the whole ultrasonic tool holder can automatically maintain a rotation flat or dynamic balance state, which is advantageous in that the influence of the whole ultrasonic tool holder can be ignored by increasing or decreasing the direction, stripe shape and width of the coating 41, in other words, even if the masses of the first piezoelectric crystal 31, the positive plate 32, the second piezoelectric crystal 33, the negative plate 34, the counterweight 35 and the side-surface-fixed-lockhole round nut 36 are not completely the same, the weight of each relative position is not absolutely symmetrical, the central position of the whole ultrasonic tool holder during rotation is not influenced, and if the ultrasonic tool holder is pushed by a slight external force or shaken during operation, the dynamic balance can be restored in a short time due to the characteristics, which is one of the advantages of the present invention.
Referring to fig. 10, a second embodiment of the ultrasonic knife handle provided by the present invention mainly includes: a knife sheath 1, an amplitude transformer 2, an inorganic colloid 42 and a contact electrode pull bolt 5.
Referring to fig. 2, the cutter sheath 1(knife cover) is made of a stainless steel alloy containing chromium in an amount of 10 mass% or more, such as stainless steel of martensite (main) system such as SUS403, SUS410, SUS416, SUS420, SUS431, SUS440, etc., in JIS standard, in which a resonance chamber 13 (resonance chamber) is communicated by a flow passage 12 (threaded portion 11) and the resonance chamber 11 has a thread height, the resonance chamber 13 has a first side 14 facing the passage 12 and a second side 15 facing an opening bottom 16(opening bottom), the opening bottom 16 is surrounded by a plurality of locking holes 17;
referring to fig. 3, the horn 2 is made of an alloy steel containing stainless steel chromium of 10 mass% or more, such as stainless steel of the martensite (main) system of JIS standard SUS403, SUS410, SUS416, SUS420, SUS431, SUS440, etc., a correcting plane 21 (correcting plane) is closely fitted (closed) to the opening bottom surface 16, a plurality of through holes 22 are formed thereon with respect to the plurality of locking holes 17, a plurality of bolts 23 are fixed (lighting up) to the locking holes 17 through the through holes 22 to seal the opening bottom surface 16 of the resonance chamber 13, the correcting plane 21 forms an adjusting rod 24(adjusting rod) and a collet 25(chuck) in opposite directions, a vibration generator system 3(vibration generator system) is stacked (parallel) on the correcting plane 21 and locked to the upper end (upper) of the adjusting rod 24, the vibration generator system includes: a first piezoelectric crystal 31 (piezoelectric crystal), a positive plate 32(positive plate), a second piezoelectric crystal 33 (piezoelectric crystal), a negative plate 34(negative plate), and a counterweight 35(balancing weight), and then a round nut 36(round with set holes in side) is locked on the upper thread 26(upper thread) of the adjusting rod 24, as shown in fig. 4 and 5;
referring to fig. 10, the inorganic colloid 42(inorganic colloid) is fed to a gap between the resonant cavity 13 and the vibration generator system 3 by a filling device (filling device) using an impulse response (impulse response) and a filling pulse (filler pulse), and the inorganic colloid 42 is filled from the second side 15 to the gap between the first side 14, the pulsating response and the filling pulse can balance the flow rate, so that no bubble (bubble) or air hole (air hole) is generated in the gap, and is kept in a colloidal stationary phase (colloidal stationary phase) flowing and sealing an appearance (external finish) of the first piezoelectric crystal 31, the positive plate 32, the second piezoelectric crystal 33, the negative plate 34, the balance weight 35 and the round nut 36 with a fixed lock hole on the side surface of the vibration generator system 3 to provide proper package protection against electrical short circuit and dust (dust) contamination. The inorganic gel 42 is formed by a solid-state process configured to bear a vibration potential (shear deformation) applied in the vertical direction and a shear deformation (shear deformation) applied in the horizontal direction by the first piezoelectric crystal 31, the positive electrode plate 32, the second piezoelectric crystal 33, the negative electrode plate 34, the weight 35 and the side-face-fixed-lockhole round nut 36 of the vibration generator system 3; in the present embodiment, the thickness of the inorganic colloid 42 (the distance from the outer surface of the vibration generator system 3 to the inner surface of the resonant cavity 13) within the resonant cavity 13 is equal to the gap, so as to achieve the flow rate balance between the first side 14 and the second side 15.
Referring to fig. 6-8, the contact electrode pull plug 5(contact electrode pull plug) is locked (torquely secured) to the threaded portion 11 of the tool holder 1 by an external thread 51 (large scale) torque, and a center of mass (center of mass) is combined (composite) from inside to outside with a contact electrode 6(contact positive electrode), an insulating sleeve 62(insulating pushing) and a contact negative electrode 63(contact negative electrode) after forming a contact electrode 6(contact electrode) and passing through an elastic body 64, and the contact electrode 6 and the elastic body 64 are simultaneously fixed in a positioning hole 52 (positioning hole) of a stepped (class shape) of the contact electrode pull plug 5, so that the contact electrode 6 slides in a lower limit 53 (lower limit) of the positioning hole 52 formed by the insulating sleeve 62, as shown in fig. 8. As shown in fig. 10 and 7, the positive contact electrode 61 is connected to the positive plate 32 of the vibration generator system 3 by the first wire 54, the negative contact electrode 63 is connected to the negative plate 34 of the vibration generator system 3 by the second wire 55, the negative plate 34 provides a negative earth (minus earth) effect, and the contact electrode 6 inputs a moving current (migration current) to drive the vibration generator system 3 to generate an amplitude to drive the chuck 25 to cause mechanical vibration (mechanical vibration).
The gap between the resonant cavity 13 and the vibration generator system 3 includes a constricted passage through which the inorganic colloid 42 flows. For the purposes of this disclosure, the constricting channel is intended to mean any narrowing in at least one dimension. The constricted passage may be formed by: (A) one side of the resonant cavity 13 has a protrusion protruding towards one side of the vibration generator system 3, (B) both sides of the resonant cavity 13 have at least one protrusion protruding towards one side of the vibration generator system 3, wherein such plurality of protrusions are aligned with each other, or staggered along the gap, or (C) at least one cylinder or column protruding between two walls of the resonant cavity 13, to distinguish the slower speed of flow through the gap. In one embodiment, the constricting channel includes a region of the gap having a smaller cross-sectional area than adjacent regions of the gap on the upstream first side 14 and downstream second side 15 of the constricting channel. The size or dimension of the constricting channels is limited at any point in time to allow for balancing of the inorganic gel 42 through the constricting channels, which facilitates balancing of the respective flow rates through the constricting channels 42. The ease of individual flow rate changes is indicative of the nature, parameters or characteristics of the inorganic colloid 42 passing through the constricted passages.
The filling device enters the first side 14 of the resonant cavity 13 through the channel 12 of the tool sheath 1, and then by applying the pulse response and the filling pulse wave (the pulse response with lower power and the filling pulse wave with longer power, or the pulse response with higher power and the filling pulse wave with shorter length) to the inorganic colloid 42, the inorganic colloid 42 generates vertical fluid pressure (vertical fluid pressure) to flow into the gap between the resonant cavity 13 and the vibration generator system 3 or the shrinking channel, so that when the inorganic colloid 42 flows from the first side 14 to the second side 15, the bubbles or air holes contained in the inorganic colloid 42 can be removed when the pulse response and the filling pulse wave are activated, and the state of removing the bubbles or air holes can be maintained in the inorganic colloid 42. As a by-product, a suitable amount of heat may be generated. Preferably, a lower power of the pulse response and a longer fill pulse to provide a pulse of heat to the inorganic gel 42 without forming bubbles or voids. If a partial or complete blockage of the inorganic gel 42 occurs in the flow, a higher power of the pulse response and a relatively short filling pulse can be used to clear the blockage.
The inorganic colloid 42 flows into the gap or the angle of the contraction channel is parallel to the centroid, no air bubble or air hole is generated, and if the inflow angle is not 90 degrees, the flow rate will be changed. Therefore, the inflow angle of the inorganic colloid 42 is required to be at least more than 0 degree and 90 degrees or less, preferably 50 to 90 degrees, and more preferably 70 to 90 degrees. In addition, although at least one inorganic colloid 42 is used to remove air bubbles or air holes by the vertical fluid pressure, it is preferable that two or more inorganic colloids 42 are formed and arranged so that the vertical fluid pressure of the inorganic colloids 42 flowing in is uniform in order to effectively remove air bubbles or air holes. When three or more inorganic colloids 42 are formed, the flow rate balance can be arranged three-dimensionally. Fluid control used in the inorganic gel 42 is achieved by achieving a natural balance between vertical fluid pressure and fluid flow acceleration, whereby the gap or constricted, curved portion of the constricted passage creates a pressure drop associated with dissipation.
The "about" of the amounts, concentrations, volumes, processing temperatures, processing times, yields, flow rates, pressures, viscosities, and the like, and ranges above or sizes of elements, and the like, and ranges above, of the components of the inorganic colloid 42 used to describe embodiments of the present disclosure refers to a change in the number of values that can occur, for example, due to: due to the measurement and processing procedures used for the colloidal materials, compositions, compounds, concentrates, components or formulations; because it is contemplated that the inorganic gel 42 can be designed as the local balance weight to fine tune one or more rotational balances and one or more dynamic balances of the megasonic tool shank to optimize or enhance the rotational balance or dynamic balance of the vibration generator system 3; therefore, the amount of the starting material or component used for the inorganic colloid 42, the difference in source or purity, or the composition of the initial concentration or mixing ratio, which is different, can be effectively adjusted in the magnitude of the vibration amount of the ultrasonic tool shank and in the phase angle position thereof in balance, as shown in fig. 11 to 12. For example: a plurality of layers of the inorganic colloid 42 are used, and the thickness of the inorganic colloid 42 in each layer is different. Or, a plurality of layers of the inorganic colloid 42 are used, and the thickness and concentration of the inorganic colloid 42 in each layer are different. Or, a plurality of layers of the inorganic colloid 42 are used, and the volume and the concentration of the inorganic colloid 42 in each layer are different. Alternatively, a plurality of layers of the inorganic colloid 42 are used, and the volume of the inorganic colloid 42 in each layer is different from the amount of the composition in the mixing ratio. Alternatively, as shown in fig. 13, the coating layer 41 and a plurality of layers of the inorganic colloid 42 can be used. The method can effectively adjust the vibration quantity of the ultrasonic knife handle and balance the phase angle position of the ultrasonic knife handle, and further adjust the dynamic balance of the ultrasonic knife handle to meet the standard specification.
The vibration generator system 3 may be a mechanical vibration generator (mechanical vibration generator), a moving coil vibration generator (moving coil vibration generator), a direct-drive vibration generator (direct-drive vibration generator), an electric vibration generator (electric vibration generator), a resonance vibration generator (resonance vibration generator), a piezoelectric vibration generator (piezoelectric vibration generator), an electromagnetic vibration generator (electromagnetic vibration generator), a magnetostrictive vibration generator (magnetic resonance vibration generator), or a resonance vibration generator (resonance vibration generator).
Wherein, the contact electrode 6 is combined with the contact positive electrode 61, the insulating sleeve 62 and the contact negative electrode 63 from the center of mass from inside to outside, which comprises: a contact negative electrode 63 made of conductive material and disposed in the positioning hole 52 of the contact electrode pull plug 5, wherein the contact negative electrode 63 has a through hole 631, a bottom end 632(bottom) and a threaded end 633(free end of the thread), and the bottom end 632 is electrically connected to the negative electrode plate 34 by the second wire 55; two insulation sleeves 62, each having a through hole 621 (upstream hole) respectively disposed in an upstream and a downstream of the through hole 631, wherein at least one of the insulation sleeves 62 has an air hole 622(air hole) formed on a side thereof, and the air hole 622 is communicated with the channel 12; a positive contact electrode 61 made of a conductive material and disposed in the two through holes 621 of the two insulating sleeves 62, wherein the positive contact electrode 61 has a conical surface 611(conical surface) and a positive terminal 612(positive terminal), and the positive terminal 612 is electrically connected to the positive plate 32 by the first lead 54; a nut 65 is fastened to the threaded protruding end 633 of the contact negative electrode 63 to adjust the upper limit (upper bounds) position of the contact electrode 6 on the contact negative electrode 63.
In the present embodiment, the contact positive electrode 61 and the contact negative electrode 63 are made of conductive material or made of conductor, and the contact positive electrode 61 and the contact negative electrode 63 can electrically connect the positive plate 32 and the negative plate 34 of the vibration generator system 3; the negative contact electrode 63 can be electrically connected to at least one grounding path (such as the knife sheath 1) to enlarge the grounding area, so as to help guide the noise interference of the gap between the resonant cavity 13 and the vibration generator system 3 to the ground, thereby obtaining good electrical characteristics.
In addition, preferably, the contact negative electrode 63 surrounds and encloses the contact positive electrode 61, the contact negative electrode 63 and the contact positive electrode 61 are separated by the insulating sleeve 62, such that the contact negative electrode 63 and the contact positive electrode 61 are separated and electrically isolated from each other, and the contact negative electrodes 63 are respectively used for at least one second wire 55 to electrically connect to the negative electrode 34 of the vibration generator system 3. In the embodiment, the contact positive electrode 61 and the contact negative electrode 63 are formed by performing a surface treatment such as a gold chemical treatment on copper or a copper alloy, but the invention is not limited thereto, and other surface treatment methods can be used for other applications, such as: using surface treatment methods such as nickel plating, nickel-cobalt plating, nickel-zinc plating, and gold plating to form the contact positive electrode 61 and the contact negative electrode 63 that can be electrically connected and welded; alternatively, other methods may be used to dispose or form the contact positive electrode 61 and the contact negative electrode 63 on the surface of copper or copper alloy, which can be electrically connected or welded. It is worth mentioning that, by the design that each of the contact negative electrodes 63 surrounds each of the contact positive electrodes 61, the electrical isolation effect between the contact positive electrodes 61 can be improved, and the leakage current interaction effect generated between the contact positive electrodes 61 during the test process can be reduced, so as to improve the electrical characteristics and the test accuracy, so that the electrical path is protected more perfectly, in addition, by the design of the contact negative electrodes 63, the noise interference or static electricity generated in the environment can be conducted away from the contact positive electrodes 61, so that the test path is protected and reduced, the electrical characteristics of the contact electrode pull plug 5 are improved, and the distortion of the contact result is avoided.
When the vibration generator system 3 works under an external high voltage through the contact electrode tie bolt 5, the resonance frequency of the vibration generator system 3 is shifted by the temperature rise phenomenon generated by the vibration generator system 3 and the external prestress, so that the mechanical power output by the chuck 25 is reduced. On the other hand, since the amplitude of the vibration generated by the vibration generator system 3 itself is not large, the resonant cavity 13 is added to amplify the mechanical vibration (mechanical vibration) of the chuck 25.
In the present invention, an impedance analyzer is used to measure the piezoelectric impedance basic characteristic and the equivalent circuit value of the vibration generator system 3 under the static state (low voltage), and the response characteristic of the moving current to the resonance frequency of the vibration generator system 3 is obtained by the concept of measuring the dynamic state (high voltage), and the two are compared to analyze, so as to establish the dynamic equivalent circuit of the vibration generator system 3 under the actual application condition. And the maximum mechanical vibration caused by the vibration generator system 3 to the chuck 25 after being added to the resonant cavity 13 is measured using a fiber displacement measurement module. By means of the measurement of the moving current and the amplitude, compared with the result of the impedance analyzer, the actual measurement result obtained at the resonance frequency is lower than that obtained by using the impedance analyzer, so that the static equivalent circuit is not suitable for practical application. The result of simulation is closer to the actual measurement with a dynamic equivalent circuit. In addition, the resonance cavity 13 of the stepped alloy steel is added to the vibration generator system 3 to obtain larger mechanical vibration (about 3-6 times of the original vibration), so that the working efficiency of the vibration generator system 3 is increased, and the resonance cavity 13 can be regarded as a series connection of a negative resistance and an inductance on an equivalent circuit.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (2)
1. An ultrasonic tool holder, comprising:
the cutter sleeve is internally communicated with a resonant cavity through a thread part and a channel, the thread part has a thread height, the resonant cavity has a first side facing the channel and a second side facing an opening bottom surface, and the opening bottom surface is annularly provided with a plurality of lock holes;
an amplitude transformer having a calibration plane tightly fitted to the bottom surface of the opening, a plurality of through holes formed thereon, and fixed to the lock hole by passing a plurality of bolts through the through holes to seal the bottom surface of the opening of the resonant cavity, the calibration plane forming an adjustment rod and a chuck in opposite directions, the calibration plane having a vibration generator system stacked in parallel and locked thereon;
a coating layer applied in a coating operation on an appearance of the vibration generator system in an overlapping process and a combining process, the coating layer having stripe shapes and widths in a vertical direction and a horizontal direction to form a plurality of stripes which are alternately layered and extend along the appearance, the coating layer being made of a bonding compound having a curing action, the coating layer being configured to withstand a vibrational potential applied in the vertical direction and a shear deformation applied in the horizontal direction by the vibration generator system;
the contact electrode and the elastic body are simultaneously fixed in a positioning hole of the contact electrode pulling bolt, so that the contact electrode slides in a limiting way in an upper limit and a lower limit of the positioning hole formed by the insulating sleeve, the contact positive electrode is connected with a positive plate of the vibration generator system by a first lead, the contact negative electrode is connected with a negative plate of the vibration generator system by a second lead, and the vibration generator system is driven by inputting a moving current to generate amplitude to drive the chuck to cause mechanical vibration.
2. An ultrasonic tool holder, comprising:
the cutter sleeve is internally communicated with a resonant cavity through a thread part and a channel, the thread part has a thread height, the resonant cavity has a first side facing the channel and a second side facing an opening bottom surface, and the opening bottom surface is annularly provided with a plurality of lock holes;
an amplitude transformer having a calibration plane tightly fitted to the bottom surface of the opening, a plurality of through holes formed thereon, and fixed to the lock hole by passing a plurality of bolts through the through holes to seal the bottom surface of the opening of the resonant cavity, the calibration plane forming an adjustment rod and a chuck in opposite directions, the calibration plane having a vibration generator system stacked in parallel and locked thereon;
an inorganic colloid is conveyed to a gap between the resonant cavity and the vibration generator system by the filling device through a pulse response and a filling pulse wave, the gap between the first side and the resonant cavity is filled with the inorganic colloid from the second side, the pulse response and the filling pulse wave can balance the flow rate, no air bubble or air hole is generated in the gap, and the inorganic colloid is kept in a colloid fixed phase to flow and seal the vibration generator system;
the contact electrode and the elastic body are simultaneously fixed in a positioning hole of the contact electrode pulling bolt, so that the contact electrode slides in a limiting way in an upper limit and a lower limit of the positioning hole formed by the insulating sleeve, the contact positive electrode is connected with a positive plate of the vibration generator system by a first lead, the contact negative electrode is connected with a negative plate of the vibration generator system by a second lead, and the vibration generator system is driven by inputting a moving current to generate amplitude to drive the chuck to cause mechanical vibration.
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| US11937979B2 (en) * | 2021-04-27 | 2024-03-26 | Kulicke And Soffa Industries, Inc. | Ultrasonic transducers, wire bonding machines including ultrasonic transducers, and related methods |
| US11691214B2 (en) * | 2021-10-17 | 2023-07-04 | Shinkawa Ltd. | Ultrasound horn |
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