CN112705801A - Tapping device is assisted to supersound - Google Patents
Tapping device is assisted to supersound Download PDFInfo
- Publication number
- CN112705801A CN112705801A CN202011546230.XA CN202011546230A CN112705801A CN 112705801 A CN112705801 A CN 112705801A CN 202011546230 A CN202011546230 A CN 202011546230A CN 112705801 A CN112705801 A CN 112705801A
- Authority
- CN
- China
- Prior art keywords
- material clamping
- clamping plate
- plate
- ultrasonic
- tapping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 90
- 239000013078 crystal Substances 0.000 claims description 31
- 230000005284 excitation Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 17
- 230000033001 locomotion Effects 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000026683 transduction Effects 0.000 description 3
- 238000010361 transduction Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides an ultrasonic auxiliary tapping device which comprises a workbench, and an ultrasonic tapping mechanism, a feeding mechanism and a clamping mechanism which are all arranged on the workbench; the material clamping mechanism comprises a fixed seat, a material clamping plate rotationally arranged on the fixed seat, a first driving mechanism for driving the material clamping plate to rotate and a material ejecting plate; a vertical slide rail is arranged on the workbench, and the ejector plate is connected with the slide rail in a sliding manner; the material clamping plate is provided with a plurality of material clamping pieces, and the material ejecting plate is arranged below the material clamping pieces; the feeding mechanism is arranged between the ejector plate and the material clamping piece and is connected with the top end of the ejector plate. According to the invention, the feeding mechanism, the clamping mechanism and the ultrasonic tapping module are combined, and the clamping mechanism is provided with a plurality of clamping pieces, so that the clamping operation and the tapping operation can be simultaneously carried out, the time between two tapping operations is reduced, and the efficiency of automatic tapping is improved; and the part is clamped through the clamping piece, so that the machining precision is improved, and the cutter is prevented from being damaged by the vibration of the part.
Description
Technical Field
The invention belongs to the technical field of tapping processing, and particularly relates to an ultrasonic auxiliary tapping device.
Background
Composite materials, engineering ceramic materials, superhard metal materials, and the like are widely used because of their excellent properties such as high hardness, high strength, high wear resistance, high corrosion resistance, and high temperature resistance. However, the traditional machining technology is difficult or impossible to machine due to poor toughness and brittleness of the brittle and hard materials, so that the application of the brittle and hard materials is limited to a certain extent. The drilling or tapping process is one of the key process technologies for the wide application of the hard and brittle materials, but at present, the phenomena of low processing efficiency, serious tool wear, easy splitting of the materials, edge breakage at an outlet and the like of the drilling or tapping process technology for the difficult-to-machine materials still need to be solved.
The current research shows that the ultrasonic hole-making or ultrasonic tapping processing technology has a series of advantages which cannot be compared with the traditional cutting processing, for example, the cutting force can be effectively reduced, the cutting heat can be reduced, the cutter loss can be weakened, the service life of the cutter can be delayed, the damage of the processing surface can be reduced, and the ultrasonic vibration cutting processing technology is widely applied to the processing field of difficult-to-process materials.
For example, chinese patent CN109290642A discloses an ultrasonic transduction device and a torsional tapping machine for tapping, which comprises a base, a frame is mounted on the base, a rotary transmission mechanism is mounted on the frame, the ultrasonic transduction device for tapping is mounted on a rotary output shaft of the rotary transmission mechanism, a workpiece table which can be driven by a lifting mechanism to perform lifting action is mounted on the base, and the rotary transmission mechanism, the lifting mechanism and the ultrasonic transduction device are connected with a control system. But the device can only work, the whole machining efficiency is low, and the device cannot effectively position and clamp parts and has influence on the machining precision; in addition, if the part cannot be effectively positioned and clamped, the cutter can cause large-amplitude vibration of the part in the machining process and impact a cutter head, so that the cutter is easily damaged.
Disclosure of Invention
The invention aims to overcome at least one defect in the prior art and provides an ultrasonic auxiliary tapping device which can effectively clamp a part, avoid damage of a cutter during part processing and improve the efficiency of tapping processing.
In order to solve the technical problems, the invention adopts the technical scheme that:
the ultrasonic auxiliary tapping device comprises a workbench, and an ultrasonic tapping mechanism, a feeding mechanism and a clamping mechanism which are all arranged on the workbench; the material clamping mechanism comprises a fixed seat, a material clamping plate rotationally arranged on the fixed seat, a first driving mechanism for driving the material clamping plate to rotate and a material ejecting plate; a vertical slide rail is arranged on the workbench, and the ejector plate is connected with the slide rail in a sliding manner; the material clamping plate is provided with a plurality of material clamping pieces, and the material ejecting plate is arranged below the material clamping pieces; the feeding mechanism is arranged between the ejector plate and the material clamping piece and is connected with the top end of the ejector plate.
The ultrasonic tapping mechanism, the feeding mechanism and the clamping mechanism are integrated, so that the ultrasonic tapping mechanism can be connected with an automatic production line, and the automation degree and the production efficiency of tapping operation are improved; the part moves to the top end of the material ejecting plate under the action of the feeding mechanism, the part is located between the material ejecting plate and the material clamping piece at the moment, the material ejecting plate below the material clamping piece slides upwards along the slide rail to eject the part, then the material clamping piece clamps the part, the first driving mechanism drives the material clamping plate to rotate for a certain angle so as to drive the material clamping piece to rotate to a position corresponding to the ultrasonic tapping mechanism, the ultrasonic tapping mechanism performs tapping processing on the part, and meanwhile, the material ejecting plate slides downwards to reset; because the material clamping plate is provided with a plurality of material clamping pieces, at the moment, the other material clamping piece is driven by the first driving mechanism to rotate to the position above the material ejecting plate and can enter the next material clamping movement, so that when the ultrasonic tapping mechanism works, the material clamping mechanism can prepare the next part at the same time, the part is ejected into the material clamping piece by the material ejecting plate to be clamped, the material clamping plate can be rotated by a certain angle immediately after tapping while retracting a cutter, the next tapping operation is started, the preparation time of the material clamping operation is reduced, the production efficiency of the tapping operation is greatly improved, and the material ejecting operation is carried out through the material ejecting plate, so that the clamping injury of workers due to accidental machine faults in the manual operation process or the injury of the workers due to the splashing of residual materials generated by tapping can be avoided; in addition, the added material clamping piece can effectively position and clamp the part, and the defects of machining precision and cutter damage caused by excessive vibration or displacement of the part in the machining process are avoided.
As a further improved structure, a plurality of openings are formed in the material clamping plate, first grooves are formed in the side walls of the openings, the material clamping piece is an elastic clamping plate arranged in the openings, second grooves are formed in the elastic clamping plate, the second grooves and the first grooves form through holes matched with parts, one end of the elastic clamping plate is fixedly connected with the material clamping plate, and the other end of the elastic clamping plate is fixedly connected with a third driving mechanism used for driving the elastic clamping plate to move in the openings. The third driving mechanism is a cylinder, preferably a thin cylinder, the weight of the cylinder is light, the occupied space is small, the cylinder is connected with a telescopic arm, the bottom of the cylinder is fixed on the material clamping plate, and the telescopic arm is fixedly connected with the elastic clamping plate. When a part in the feeding mechanism moves upwards to the height of the first groove and the second groove under the action of the ejector plate, the cylinder works, the telescopic arm extends to drive the elastic clamping plate to swing in the horizontal direction, the distance between the first groove and the second groove is reduced, the friction force between the first groove and the part and the friction force between the second groove and the part are increased, and the part is clamped; when blanking is needed, the third driving mechanism resets to drive the elastic clamping plate to reset.
As a further improved structural form, the ultrasonic tapping mechanism comprises a guide post, a base and a cutter, wherein the axis of the guide post is perpendicular to the plane of the workbench, the base is movably arranged on the guide post, the cutter is arranged on the base, and a fourth driving mechanism for driving the base to move on the guide post is fixedly arranged on the base. Because the guide pillar is fixed on the workbench, the fourth driving mechanism moves in the vertical direction under the reaction force of the guide pillar during working, so that the base fixedly connected with the fourth driving mechanism is driven to move, and the feeding motion in the vertical direction and the tool retracting motion after tapping are realized in the tapping process.
As a further improved structural form, the fourth driving mechanism includes a driving motor fixedly disposed on the base, and a second gear fixedly connected to an output shaft of the driving motor, and a second rack is disposed on the guide post, and the second gear is engaged with the second rack. The mode of rack and pinion meshing like this both can realize the up-and-down motion of supersound tapping module, can realize the support to the base again, prevents that supersound tapping module from landing from the guide pillar.
As a further improved structure form, the cutter comprises a second driving mechanism, a cutter handle fixedly connected with the second driving mechanism and a cutter head detachably connected with the cutter handle. The second driving mechanism adopts a motor, an output shaft of the motor is fixedly connected with the tool handle, and the tool handle and a tool bit on the tool handle are driven to rotate through the motor to perform torsional tapping; in addition, the detachably connected tool bit can be conveniently replaced according to different part materials and sizes.
As a further improved structure, the tool holder comprises a sleeve fixedly connected with the second driving mechanism and a rotatable spindle coaxially arranged in the sleeve, one end of the spindle extends out of the end face of the sleeve, a piezoelectric crystal is arranged in the spindle, and the piezoelectric crystal is connected with an excitation source. The excitation source comprises a first coil and a second coil, the first coil is arranged at one end, close to the piezoelectric crystal, of the sleeve, the second coil is arranged at one end, extending out of the sleeve, of the main shaft and is electrically connected with the piezoelectric crystal, the first coil is connected with an alternating power supply, and a gap is reserved between the first coil and the second coil. The alternating current is applied to the first coil to generate an alternating magnetic field, so that the alternating current is generated on the second coil, the voltage is applied to the piezoelectric crystal to generate torsional vibration, the torsional vibration generated by the piezoelectric crystal can convert the continuous rotation of the cutter head in the tapping process into high-frequency progressive rotation, and the cutter head is prevented from being jammed by materials in the continuous rotation process to cause collapse; in addition, wireless power supply to the piezoelectric crystal is realized through the electromagnetic induction principle, and failure of ultrasonic vibration effect caused by dragging of a power transmission line to the knife handle in wired power supply is avoided; the first coil and the second coil are integrated on the sleeve and the main shaft, so that the whole cutter structure is more compact.
As a further improved structure form, the piezoelectric crystal is also connected with an amplitude transformer, and one end of the amplitude transformer, which is far away from the piezoelectric crystal, is provided with a clamp for clamping the cutter head. Because the vibration of the piezoelectric crystal is small when the inverse piezoelectric effect occurs, the influence on the cutter is small, and therefore the vibration of the piezoelectric crystal is amplified through the amplitude transformer, and the torsional vibration effect is more obvious.
As a further improved structure form, the feeding mechanism comprises a feeding slideway and a vibrating device fixedly arranged at the bottom of the feeding slideway, and the tail end of the feeding slideway is connected with the top end of the ejector plate. The part that the last process of automation line produced gets into the pay-off slide, and vibrating device's vibration makes the part on the pay-off slide slowly to terminal motion, is by ejector plate jack-up clamping, improves tapping production line's degree of automation and machining efficiency.
As a further improved structural form, the first driving mechanism comprises an air cylinder, a first rack fixedly connected with the air cylinder and a rotating shaft, one end of the rotating shaft is fixedly connected with the material clamping plate, the other end of the rotating shaft is provided with a first gear, and the first gear is meshed with the first rack. The linear motion of the first rack is driven by the linear motion of the cylinder, so that the first gear and the rotating shaft fixed on the first gear are driven to rotate, and the rotation of the material clamping plate is realized.
Compared with the prior art, the beneficial effects are:
according to the invention, the feeding mechanism, the clamping mechanism and the ultrasonic tapping module are combined, and the clamping mechanism is provided with a plurality of clamping pieces, so that the clamping operation and the tapping operation can be simultaneously carried out, the time between two tapping operations is reduced, and the efficiency of automatic tapping is improved; the piezoelectric crystal is arranged in the tool holder and serves as an additional torsional vibration source, so that the continuous rotation of the tool bit in the tapping process can be converted into high-frequency progressive rotation through the torsional vibration generated by the piezoelectric crystal, and the tool bit is prevented from being jammed by materials in the continuous rotation process to cause collapse; carry out the liftout operation through the liftout plate, can avoid among the manual operation process that the unexpected trouble of machine presss from both sides the clout that hinders staff or tapping production to splash and injure the staff, moreover under the drive of slim cylinder, through the cooperation of elasticity splint with pressing from both sides the flitch, the realization is pressed from both sides the location of part tightly, improves the machining precision to and avoid in the course of working part vibration striking cutter to cause the damage.
Drawings
FIG. 1 is a schematic view of a first-angle overall structure of an ultrasonic-assisted tapping device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second angle overall structure of an ultrasonic auxiliary tapping device according to an embodiment of the present invention;
FIG. 3 is a schematic connection diagram of a feeding mechanism and a clamping mechanism of the ultrasonic auxiliary tapping device according to the embodiment of the invention;
FIG. 4 is a schematic diagram of the overall structure of a material clamping plate of the ultrasonic auxiliary tapping device according to the embodiment of the invention;
FIG. 5 is a schematic diagram of the overall structure of a cutter of the ultrasonic auxiliary tapping device according to the embodiment of the invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
fig. 7 is an exploded view of the connection between the feeding mechanism and the clamping mechanism of the cutter of the ultrasonic auxiliary tapping device according to the embodiment of the invention.
Detailed Description
The drawings are for illustration purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
Example (b):
as shown in fig. 1 to 7, an embodiment of an ultrasonic auxiliary tapping device according to the present invention includes a worktable 1, and an ultrasonic tapping mechanism 2, a feeding mechanism 3, and a clamping mechanism 4, all disposed on the worktable 1; the material clamping mechanism 4 comprises a fixed seat 41, a material clamping plate 42 rotationally arranged on the fixed seat 41, a first driving mechanism 43 for driving the material clamping plate 42 to rotate, and a material ejecting plate 44; a vertical slide rail 11 is arranged on the workbench 1, and the ejector plate 44 is connected with the slide rail 11 in a sliding manner; the material clamping plate 42 is provided with a plurality of material clamping pieces, and the material ejecting plate 44 is arranged below the material clamping pieces; the feeding mechanism 3 is arranged between the ejector plate 44 and the material clamping piece and is connected with the top end of the ejector plate 44.
Of course, the top of the ejector plate 44 is further provided with a driving device for driving the ejector plate 44 to move, which is well known to those skilled in the art and will not be described in detail herein.
In addition, the number of the clamping parts is not limited, and the clamping parts can be increased or decreased according to needs in the specific implementation process.
As shown in fig. 4, in the present embodiment, two openings 421 penetrating through the material clamping plate 42 are formed on the material clamping plate 42, a first groove 422 is formed on a side wall of each opening 421, the material clamping member is an elastic clamping plate 423 disposed in the opening 421, a second groove is formed on the elastic clamping plate 423, the second groove and the first groove form a through hole capable of being matched with a part, one end of the elastic clamping plate 423 is fixedly connected with the material clamping plate 42, and the other end of the elastic clamping plate 423 is fixedly connected with a third driving mechanism 425 for driving the elastic clamping plate 423 to move in the opening 421, wherein the third driving mechanism 425 is a cylinder, preferably a thin cylinder, the thin cylinder is connected with a telescopic rod, the mass of the thin cylinder is light, the occupied space position is small, the bottom of the cylinder is fixed on the material clamping plate 42, the telescopic rod connected with the cylinder is fixedly connected with the elastic clamping plate, so that when the part in the feeding mechanism 3 moves upward to the height of, when the cylinder works, the telescopic rod extends out to drive the elastic clamping plate 423 to swing in the horizontal direction, the distance between the first groove 422 and the second groove 424 is reduced, and the friction force between the first groove 422 and the part, between the second groove 424 and the part is increased, so that the part is clamped; when the blanking is needed, the telescopic rod of the air cylinder retracts to drive the elastic clamping plate 423 to reset.
In addition, the side walls of the first groove 422 and the second groove 424 can be provided with anti-slip structures, such as silica gel, gaskets, or patterns, so as to better clamp the parts, prevent the parts from falling, further improve the clamping and positioning accuracy of the parts, and avoid excessive vibration of the parts.
As shown in fig. 2, the ultrasonic tapping mechanism 2 in this embodiment includes a guide post 21 having an axis perpendicular to the plane of the worktable 1, a base 22 movably disposed on the guide post 21, and a cutter 23 disposed on the base 22, wherein a fourth driving mechanism 24 for driving the base to move on the guide post 21 is fixedly disposed on the base 22. Thus, the ultrasonic tapping mechanism 2 can move vertically on the guide post 21 by the fourth driving mechanism 24, thereby facilitating the feeding movement during tapping and the tool retracting movement after tapping.
The fourth driving mechanism 24 in this embodiment includes a driving motor 241 fixedly disposed on the base 22, and a second gear 242 fixedly connected to an output shaft of the driving motor 241, wherein a second rack 243 is disposed on the guide post 21, and the second gear 242 is engaged with the second rack 243. Like this rack and pinion meshing's mode both can realize the up-and-down motion of ultrasonic tapping module, can realize the support to base 22 again, prevents that ultrasonic tapping module from the landing on guide pillar 21.
As shown in fig. 5 and 6, the cutter 23 in this embodiment includes a second driving mechanism 211 (omitted in fig. 5 and 6), a holder 212 fixedly connected to the second driving mechanism 211, and a cutter head 213 detachably connected to the holder 212. The second driving mechanism 211 adopts a motor, an output shaft of the motor is fixedly connected with the tool shank 212, and the tool shank 212 and the tool bit 213 thereon are driven to rotate by the motor for tapping; additionally, the removably attachable bits 213 facilitate replacement.
The tool holder 212 in this embodiment includes a sleeve 214 fixedly connected to the second driving mechanism 211, and a rotatable spindle 215 rotatably and coaxially disposed inside the sleeve 214, wherein one end of the spindle 215 extends out of an end surface of the sleeve 214, and a piezoelectric crystal 216 is disposed inside the spindle, and the piezoelectric crystal 216 is connected to an excitation source 217. By applying an alternating electric field to the piezoelectric crystal 216, it is vibrated, thereby avoiding chipping of the tool 23. It should be noted that, in this embodiment, the rotation of the tool holder 212 driven by the motor is only a reference embodiment, and in a specific implementation process, a coil may be disposed around the tool holder 212, and a magnetic field generated by the coil drives the tool holder 212 to perform rotary tapping.
As shown in fig. 6, the excitation source 217 in this embodiment includes a first coil 227 and a second coil 237, the first coil 227 is disposed at one end of the sleeve 214 close to the piezoelectric crystal 216, the second coil 237 is disposed at one end of the main shaft 215 extending out of the sleeve 214, the second coil 237 is electrically connected to the piezoelectric crystal 216, the first coil 227 is connected to an alternating power source, and a gap is formed between the first coil 227 and the second coil 237. The alternating current is applied to the first coil 227 to generate an alternating magnetic field, so that the alternating current is generated on the second coil 237, the voltage is applied to the piezoelectric crystal 216 to generate torsional vibration, the torsional vibration generated by the piezoelectric crystal 216 can convert the continuous rotation of the tool bit 213 in the tapping process into high-frequency progressive rotation, and the tool bit 213 is prevented from being jammed by materials in the continuous rotation process to cause breakage; in addition, wireless power supply to the piezoelectric crystal 216 is realized through the electromagnetic induction principle, and failure of ultrasonic vibration effect caused by dragging of a power transmission line to the cutter handle 212 in wired power supply is avoided.
The piezoelectric crystal 216 in this embodiment is further provided with a horn 218, and a clamp 219 for clamping the tool bit 213 is provided at an end of the horn 218 away from the piezoelectric crystal 216. Since the vibration of the piezoelectric crystal 216 when the inverse piezoelectric effect occurs is small and the influence on the cutter 23 is small, the vibration of the piezoelectric crystal 216 is amplified by the horn 218, and the torsional vibration effect is more significant.
The feeding mechanism 3 in this embodiment includes a feeding slide way 31 and a vibrating device 32 fixedly disposed at the bottom of the feeding slide way 31, and the end of the feeding slide way 31 is connected with the top end of the ejector plate 44. The parts generated in the last process of the automatic production line enter the feeding slide way 31, and the parts on the feeding slide way 31 slowly move towards the tail end due to the vibration of the vibrating device 32 and are jacked and clamped by the jacking plate 44, so that the automation degree and the machining efficiency of the tapping production line are improved. It is to be noted that the vibration device 32 may be implemented by any known technique, which is well known to those skilled in the art and will not be described in detail herein.
The first driving mechanism 43 in this embodiment includes a cylinder 431, a first rack 432 fixedly connected to the cylinder 431, and a rotating shaft 433, one end of the rotating shaft 433 is fixedly connected to the material clamping plate 42, and the other end is provided with a first gear 434, and the first gear 434 is engaged with the first rack 432. The linear motion of the cylinder 431 drives the linear motion of the first rack 432, so as to drive the first gear 434 and the rotating shaft 433 fixed on the first gear 434 to rotate, thereby realizing the rotation of the material clamping plate 42.
The first driving mechanism 43 in this embodiment may be directly replaced by a motor or other common driving structure, which is not limited herein.
In addition, can also set up blanking hole on workstation 1, and set up the workbin that connects in blanking hole below to accomodate the part that the processing is good better. It is naturally conceivable to provide a discharge chute below the ultrasonic tapping means 2, through which the tapped part can be slid to the next process.
Of course, a control unit for controlling the working sequence of the first driving mechanism 43, the second driving mechanism 211, the third driving mechanism 425, the fourth driving mechanism 24 and the vibration device 32 may be included, which is well known to those skilled in the art and will not be described in detail herein.
When the invention is implemented, the part slides into the feeding slideway 31, and moves towards the ejector plate 44 under the vibration action of the vibration device 32, the ejector plate 44 moves upwards under the guiding action of the slide rail 11 to eject the part into the first groove 422 and the second groove 424, the third driving mechanism 425 works to extend the telescopic arm connected thereon to drive the elastic clamping plate 423 to deform and swing, so as to reduce the distance between the first groove 422 and the second groove 424, and increase the friction between the first groove 422 and the part 424, so as to clamp the part in the first groove 422 and the second groove 424, and then the cylinder 431 works, and the telescopic arm on the cylinder 431 drives the first rack 432 to move, so as to drive the first gear 434 engaged with the first rack 432 to rotate, and the rotating shaft 433 fixedly connected with the first gear 434 also rotates along with the first rack, so as to drive the ejector plate 42 to rotate 180 degrees, the fourth driving mechanism 24 drives the second gear 242 to move on the second rack 243, so as to drive the base 22 fixedly connected with the fourth driving mechanism 24 to move downwards, thereby realizing the feeding movement of the tool bit 213 for tapping, meanwhile, the ejector plate 44 moves downwards to reset, the next part moves towards the ejector plate 44 under the action of the vibrating device 32, the ejector plate 44 starts the next ejector work, and after tapping is completed, the second material clamping plate 42 rotates 180 degrees under the driving of the first driving mechanism 43, and then the next tapping operation can be performed.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An ultrasonic auxiliary tapping device is characterized by comprising a workbench (1), and an ultrasonic tapping mechanism (2), a feeding mechanism (3) and a clamping mechanism (4) which are all arranged on the workbench (1); the material clamping mechanism (4) comprises a fixed seat (41), a material clamping plate (42) rotatably arranged on the fixed seat (41), a first driving mechanism (43) for driving the material clamping plate (42) to rotate, and a material ejecting plate (44); a vertical slide rail (11) is arranged on the workbench (1), and the ejector plate (44) is connected with the slide rail (11) in a sliding manner; the material clamping plate (42) is provided with a plurality of material clamping pieces, and the material ejecting plate (44) is arranged below the material clamping pieces; the feeding mechanism (3) is arranged between the ejector plate (44) and the material clamping piece and is connected with the top end of the ejector plate (44).
2. The ultrasonic auxiliary tapping device according to claim 1, wherein a plurality of openings (421) are formed in the material clamping plate (42), first grooves (422) are formed in side walls of the openings (421), the material clamping member is an elastic clamping plate (423) arranged in the openings (421), second grooves (424) are formed in the elastic clamping plate (423), through holes capable of being communicated with parts are formed between the second grooves (424) and the first grooves (422), one end of the elastic clamping plate (423) is fixedly connected with the material clamping plate (42), and the other end of the elastic clamping plate (423) is fixedly connected with a third driving mechanism (425) for driving the elastic clamping plate (423) to move in the openings (421).
3. The ultrasonic auxiliary tapping device according to claim 2, wherein the ultrasonic tapping mechanism (2) comprises a guide post (21) with an axis perpendicular to the plane of the worktable (1), a base (22) movably arranged on the guide post (21), and a cutter (23) arranged on the base (22), and a fourth driving mechanism (24) for driving the base (22) to move on the guide post (21) is fixedly arranged on the base (22).
4. The ultrasonic auxiliary tapping device according to claim 3, wherein the fourth driving mechanism (24) comprises a driving motor (241) fixedly arranged on the base (22), and a second gear (242) fixedly connected with an output shaft of the driving motor (241), a second rack (243) is arranged on the guide post (21), and the second gear (242) is meshed with the second rack (243).
5. The ultrasonic assisted tapping device of claim 3, wherein the cutting tool (23) comprises a second driving mechanism (211), a tool shank (212) fixedly connected with the second driving mechanism (211), and a tool bit (213) detachably connected with the tool shank (212).
6. The ultrasonic auxiliary tapping device according to claim 5, wherein the tool shank (212) comprises a sleeve (214) fixedly connected with the second driving mechanism (211), and a rotatable spindle (215) coaxially arranged inside the sleeve (214), one end of the spindle (215) extends out of the end face of the sleeve (214), a piezoelectric crystal (216) is arranged inside the spindle, and the piezoelectric crystal (216) is connected with an excitation source (217).
7. The ultrasonic assisted tapping device of claim 6, wherein the excitation source (217) comprises a first coil (227) and a second coil (237), the first coil (227) is disposed at one end of the sleeve (214) near the piezoelectric crystal (216), the second coil (237) is disposed at one end of the spindle (215) extending out of the sleeve (214), the second coil (237) is electrically connected to the piezoelectric crystal (216), the first coil (227) is connected to an alternating power source, and a gap is formed between the first coil (227) and the second coil (237).
8. An ultrasonic auxiliary tapping device as claimed in claim 6 wherein the piezoelectric crystal (216) is further provided with an amplitude transformer (218) in connection therewith, the end of the amplitude transformer (218) remote from the piezoelectric crystal (216) being provided with a clamp (219) for clamping a tool bit (213).
9. The ultrasonic auxiliary tapping device according to any one of claims 1 to 8, wherein the feeding mechanism (3) comprises a feeding slide way (31) and a vibration device (32) fixedly arranged at the bottom of the feeding slide way (31), and the tail end of the feeding slide way (31) is connected with the top end of the ejector plate (44).
10. The ultrasonic auxiliary tapping device according to claim 1, wherein the first driving mechanism (43) comprises a cylinder (431), a first rack (432) fixedly connected with the cylinder (431), and a rotating shaft (433), one end of the rotating shaft (433) is fixedly connected with the material clamping plate (42), the other end of the rotating shaft is provided with a first gear (434), and the first gear (434) is meshed with the first rack (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546230.XA CN112705801A (en) | 2020-12-23 | 2020-12-23 | Tapping device is assisted to supersound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546230.XA CN112705801A (en) | 2020-12-23 | 2020-12-23 | Tapping device is assisted to supersound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112705801A true CN112705801A (en) | 2021-04-27 |
Family
ID=75544109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011546230.XA Pending CN112705801A (en) | 2020-12-23 | 2020-12-23 | Tapping device is assisted to supersound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112705801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526070A (en) * | 2021-12-31 | 2022-05-24 | 广西雷公斧重工有限公司 | Force-unloading splitting machine |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB136081A (en) * | 1919-04-28 | 1919-12-11 | Sydney Edgar Wilkes | Improvements in Boring Bar Holders for Lathes. |
| GB1120906A (en) * | 1965-09-17 | 1968-07-24 | Sp Mfg Corp | Chuck |
| SU1646777A1 (en) * | 1989-05-31 | 1991-05-07 | Магнитогорский металлургический комбинат им.В.И.Ленина | Multiple clamping device |
| CN1334174A (en) * | 2001-08-30 | 2002-02-06 | 武汉邮电科学研究院 | Fixture for grinding MT optical fibre connector |
| RU90369U1 (en) * | 2009-09-18 | 2010-01-10 | Государственное образовательное учреждение высшего профессионального образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) | DEVICE FOR SUPPLYING ULTRASONIC VIBRATIONS WHEN CUTTING A THREAD |
| CN101633064A (en) * | 2009-08-12 | 2010-01-27 | 北京航空航天大学 | High-low frequency compound torsional vibration tapping device |
| CN203509648U (en) * | 2013-08-26 | 2014-04-02 | 黄山皖南机床有限公司 | Process device for milling notch and rack of cylindrical workpiece |
| CN203679821U (en) * | 2013-10-23 | 2014-07-02 | 四川信息职业技术学院 | Elastic fixture for efficiently milling multiple pieces |
| CN104526397A (en) * | 2014-12-03 | 2015-04-22 | 重庆红旗缸盖制造有限公司 | Decompression shaft head face milling clamping mechanism |
| CN204686476U (en) * | 2015-03-30 | 2015-10-07 | 姚大池 | For the fixture of the flat tenon of batch milling |
| CN106112141A (en) * | 2016-08-31 | 2016-11-16 | 新兴县先丰不锈钢制品有限公司 | A kind of rustless steel accessory automatic tapping device |
| CN107008959A (en) * | 2017-05-12 | 2017-08-04 | 北京航空航天大学 | A kind of oval ultrasonic machining device of noncontact inductive power supply |
| CN107253063A (en) * | 2017-07-25 | 2017-10-17 | 普莱斯（北京）科技有限公司 | A kind of efficient ultrasonic processing unit (plant) |
| CN206820556U (en) * | 2017-06-30 | 2017-12-29 | 河南理工大学 | Ring pressure type wireless power transmission system suitable for automatic tool changing of ultrasonic machining center |
| CN207255316U (en) * | 2017-07-07 | 2018-04-20 | 常州正河源数控工具有限公司 | Ultrasonic wave handle of a knife |
| CN211539635U (en) * | 2019-12-16 | 2020-09-22 | 靖江市恒大汽车部件制造有限公司 | Special combined machine for milling surface of brake base plate |
-
2020
- 2020-12-23 CN CN202011546230.XA patent/CN112705801A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB136081A (en) * | 1919-04-28 | 1919-12-11 | Sydney Edgar Wilkes | Improvements in Boring Bar Holders for Lathes. |
| GB1120906A (en) * | 1965-09-17 | 1968-07-24 | Sp Mfg Corp | Chuck |
| US3464712A (en) * | 1965-09-17 | 1969-09-02 | Sp Mfg Corp | Chuck |
| SU1646777A1 (en) * | 1989-05-31 | 1991-05-07 | Магнитогорский металлургический комбинат им.В.И.Ленина | Multiple clamping device |
| CN1334174A (en) * | 2001-08-30 | 2002-02-06 | 武汉邮电科学研究院 | Fixture for grinding MT optical fibre connector |
| CN101633064A (en) * | 2009-08-12 | 2010-01-27 | 北京航空航天大学 | High-low frequency compound torsional vibration tapping device |
| RU90369U1 (en) * | 2009-09-18 | 2010-01-10 | Государственное образовательное учреждение высшего профессионального образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) | DEVICE FOR SUPPLYING ULTRASONIC VIBRATIONS WHEN CUTTING A THREAD |
| CN203509648U (en) * | 2013-08-26 | 2014-04-02 | 黄山皖南机床有限公司 | Process device for milling notch and rack of cylindrical workpiece |
| CN203679821U (en) * | 2013-10-23 | 2014-07-02 | 四川信息职业技术学院 | Elastic fixture for efficiently milling multiple pieces |
| CN104526397A (en) * | 2014-12-03 | 2015-04-22 | 重庆红旗缸盖制造有限公司 | Decompression shaft head face milling clamping mechanism |
| CN204686476U (en) * | 2015-03-30 | 2015-10-07 | 姚大池 | For the fixture of the flat tenon of batch milling |
| CN106112141A (en) * | 2016-08-31 | 2016-11-16 | 新兴县先丰不锈钢制品有限公司 | A kind of rustless steel accessory automatic tapping device |
| CN107008959A (en) * | 2017-05-12 | 2017-08-04 | 北京航空航天大学 | A kind of oval ultrasonic machining device of noncontact inductive power supply |
| CN206820556U (en) * | 2017-06-30 | 2017-12-29 | 河南理工大学 | Ring pressure type wireless power transmission system suitable for automatic tool changing of ultrasonic machining center |
| CN207255316U (en) * | 2017-07-07 | 2018-04-20 | 常州正河源数控工具有限公司 | Ultrasonic wave handle of a knife |
| CN107253063A (en) * | 2017-07-25 | 2017-10-17 | 普莱斯（北京）科技有限公司 | A kind of efficient ultrasonic processing unit (plant) |
| CN211539635U (en) * | 2019-12-16 | 2020-09-22 | 靖江市恒大汽车部件制造有限公司 | Special combined machine for milling surface of brake base plate |
Non-Patent Citations (1)
| Title |
|---|
| 台式钻床水平分析组: "《台式钻床国内外水平分析》", 30 November 1974, 沈阳钻镗床研究所 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526070A (en) * | 2021-12-31 | 2022-05-24 | 广西雷公斧重工有限公司 | Force-unloading splitting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108817967B (en) | Wire cutting pliers drilling chamfer tapping all-in-one equipment | |
| CN101503755B (en) | Numerical control supersonic machining apparatus for general lathe | |
| CN211304876U (en) | Drilling machine with uniform drilling function | |
| CN112705801A (en) | Tapping device is assisted to supersound | |
| CN206925452U (en) | A kind of friction-welding machine with manipulator | |
| CN210938072U (en) | Through type mills and beats mark all-in-one | |
| CN201357233Y (en) | Numerical control supersonic machining device for engine lathe | |
| CN208342212U (en) | A kind of vertical drilling and milling machine tool | |
| CN215146664U (en) | Automatic chamfering machine with drilling function | |
| CN216461993U (en) | Milling machine for precision manufacturing | |
| CN215146626U (en) | Full-automatic aluminum product processing all-in-one | |
| CN205798488U (en) | The efficient drilling machine that a kind of machining is special | |
| CN210789975U (en) | Special milling and drilling machine for outer circle surface of workpiece | |
| CN113134637A (en) | Drill bit device and flexible drilling machine | |
| CN219464807U (en) | Table machine tool for positioning countersink in inner cavity | |
| CN206185468U (en) | Lathe of formula of putting under cutter | |
| CN216096857U (en) | Rotary cutting platform and cutting machine tool using same | |
| CN221336808U (en) | Cutting equipment for steel structure machining | |
| CN213530822U (en) | Novel multistation processing drilling machine | |
| CN210024558U (en) | A frock clamp for automobile elbow part milling bore | |
| CN221269753U (en) | Auxiliary processing device for aluminum profile | |
| CN212761253U (en) | Steering gear shell processing device | |
| CN212095400U (en) | High accuracy is anchor clamps for drilling tool | |
| CN219684004U (en) | Drilling machine | |
| CN216461919U (en) | Drilling device for precision machining and manufacturing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210427 |
|
| RJ01 | Rejection of invention patent application after publication |