TWI556891B - Ultrasound vibration assisted turning device - Google Patents

Description

Ultrasonic vibration assisted turning device

The present invention relates to a turning device, and more particularly to an ultrasonic vibration assisted turning device.

With the accelerated development of the industry, the processing accuracy of processing equipment is becoming more and more demanding, especially when processing hard materials such as alumina, zirconia, sapphire, tantalum, quartz, tungsten, and tool steel. Tools have been unable to achieve high precision and high efficiency cutting requirements.

In 1970, the processing technology of ultrasonic vibration assisted cutting appeared. It was found that ultrasonic vibration assisted processing can effectively improve the precision of the machined surface, reduce the cutting temperature and reduce chip adhesion, and effectively reduce the tool. Cutting force. However, the processing device will withstand a certain degree of cutting force during processing. Therefore, how to set the vibration device on the processing device to form the ultrasonic vibration and can withstand the cutting force of the cutting becomes the ultrasonic ultrasonic auxiliary cutting. development Goals.

The main object of the present invention is to fix the turning tool between the first fixed plate and the second fixed plate with the cantilever set and the fixed seat set, and install the vibrating member on the handle portion of the turning tool, so that the turning device can not only bear the cutting. The cutting force generated at the time, and the blade fixed portion of the turning tool can generate ultrasonic vibration, which can effectively improve the precision of the machined surface, reduce the cutting temperature and reduce chip sticking.

An ultrasonic vibration assisted turning device of the present invention comprises a first fixed plate, a second fixed plate, a turning tool, a cantilever group, a fixed seat set and a vibrating member, the cutting tool has a blade fixing portion and a handle The shank portion is located between the first fixing plate and the second fixing plate, and the shank portion has a first end and a second end, the blade fixing portion is coupled to the first end, the cantilever The first arm is disposed between the first fixed plate and the second fixed plate, and the cantilever assembly has a joint portion, the joint portion surrounds an accommodating space, and the first end of the shank portion is fixed to the accommodating space, The fixing base is located between the first fixing plate and the second fixing plate, the fixing seat set has a fixing portion, the fixing portion surrounds a limiting space, and the second end of the shank portion is located at the limit In the space, the vibrating member is disposed on the shank portion of the turning tool.

The ultrasonic vibration assisting turning device of the present invention is provided with the vibrating member by the shank portion of the turning tool, so that when the vibrating member generates ultrasonic vibration, the turning tool can also generate ultrasonic vibration, which can effectively Further improving the precision of the machining and reducing the cutting temperature, and fixing the turning tool between the first fixing plate and the second fixing plate by the cantilever group and the fixing seat group, so that the turning tool can bear the cutting time Cutting force.

1 and 2, in accordance with an embodiment of the present invention, an ultrasonic vibration assisted turning device 100 includes a first fixing plate 110, a second fixing plate 120, a turning tool 130, a cantilever group 140, and a a fixing base 150, a vibrating member 160, a mounting member set 170 and a third fixing plate 180, wherein the turning tool 130, the cantilever group 140, the fixing base set 150, the vibrating member 160, and the mounting member set 170 The third fixing plate 180 is located between the first fixing plate 110 and the second fixing plate 120, and the two ends of the third fixing plate 180 are respectively coupled to the first fixing plate 110 and the second fixing plate 120. The first fixing plate 110 and the second fixing plate 120 are spaced and fixed, and the vibrating member 160 is disposed on the turning tool 130 and receives a high frequency signal to generate ultrasonic vibration.

Referring to FIGS. 1 and 2, the turning tool 130 has a blade fixing portion 131 and a shank portion 132. The shank portion 132 is located between the first fixing plate 110 and the second fixing plate 120. The shank portion 132 is fixed between the first fixing plate 110 and the second fixing plate 120 by the cantilever assembly 140 and the fixing seat set 150. The shank portion 132 has a first end 132a. And a second end 132b, the blade fixing portion 131 is coupled to the first end 132a, and the blade fixing portion 131 protrudes from the space defined between the first fixing plate 110 and the second fixing plate 120. The processed product is processed.

Referring to Figures 2, 3, 4 and 5, the cantilever assembly 140 has a first cantilever 141, a second cantilever 142, and a joint portion 143. The joint portion 143 surrounds an accommodating space A, and the shank portion 132 The first end 132a is fixed between the first cantilever 141 and the second cantilever 142, and the first end 132a of the shank portion 132 is fixed in the accommodating space A. The first cantilever 141 has a The first fixed end 141a and the second fixed end 141b are coupled to the first fixing plate 110, the second fixed end 141b is coupled to the second fixing plate 120, and the second cantilever 142 has a The third fixed end 142a and the fourth fixed end 142b are coupled to the first fixing plate 110, and the fourth fixed end 142b is coupled to the second fixing plate 120. Referring to FIGS. 2 and 3 , the first fixing plate 110 has a first upper surface 111 , a first lower surface 112 , a first through hole 113 , and a second through hole 114 . The through hole 113 and the second through hole 114 communicate with the first upper surface 111 and the first lower surface 112. The second fixing plate 120 has a second upper surface 121, a second lower surface 122, and a third through hole. The second through hole 123 and the fourth through hole 124 communicate with the second upper surface 121 and the second lower surface 122. Referring to FIG. 3 , the first fixed end 141 a of the first cantilever 141 is inserted into the first through hole 113 , and the second fixed end 141 b of the first cantilever 141 is inserted into the third through hole 123 . The third fixed end 142a of the second cantilever 142 is inserted into the second through hole 114. The fourth fixed end 142b of the second cantilever 142 is inserted into the fourth through hole 124. A through hole 113 has a first hole wall 113a. The first fixed end 141a and the first hole wall 113a have a first gap. The second through hole 114 has a second hole wall 114a. A second gap is formed between the fixed end 142a and the second hole wall 114a. The third through hole 123 has a third hole wall 123a. The second fixed end 141b and the third hole wall 123a have a first gap. The third through hole 124 has a fourth hole wall 124a. The fourth fixed end 142b and the fourth hole wall 124a have a fourth gap. The first end 132a of the shank portion 132 is formed. The gaps are fixed to the first cantilever 141 and the second cantilever 142, so the gaps are arranged to avoid the vibration generated by the vibrating member 160 by the cantilever set 140 and Stress cancellation between the first fixing plate 120 and the second fixing plate 110, the knife 130 with the vehicle vibration of the ultrasonic vibration generating member 160.

Referring to FIGS. 4 and 5 , the first cantilever 141 has a first joint portion 141 c , a first resonant portion 141 d and a second resonant portion 141 e . The second cantilever 142 has a second joint portion 142 c , a first The three resonance portion 142d and the fourth resonance portion 142e. Referring to FIG. 4 , the first joint portion 141 c of the first cantilever 141 is located between the first fixed end 141 a and the second fixed end 141 b , wherein the first joint portion 141 c has a first sidewall 141 f , The first upper flange 141g and the first lower flange 141h protrude from the first side wall 141f. Similarly, referring to FIG. 5, the second joint portion 142c of the second cantilever 142 is located between the third fixed end 142a and the fourth fixed end 142b, and the second joint portion 142c has a second side wall 142f. a second upper flange 142g and a second lower flange 142h, the second sidewall 142f faces the first sidewall 141f, and the second upper flange 142g and the second lower flange 142h protrude from the second Side wall 142f. Referring to Figures 3, 4 and 5, the first side wall 141f, the first upper flange 141g, the first lower flange 141h, the second side wall 142f, the second upper flange 142g and the second lower portion The flange 142h constitutes the accommodating space A, so that the first end 132a of the shank portion 132 can be stably fixed in the accommodating space A.

In order to make the turning tool 130 more resonate with the vibrating member 160, please refer to FIGS. 4 and 5. Referring to FIG. 4, the first resonating portion 141d of the first cantilever 141 is located at the first fixed end. Between the 141a and the first joint portion 141c, the second resonance portion 141e is located between the second fixed end 141b and the first joint portion 141c, and the thickness of the first resonance portion 141d is smaller than the first fixed end 141a and The thickness of the first bonding portion 141c is smaller than the thickness of the second fixing portion 141b and the first bonding portion 141c. Similarly, referring to FIG. 5, the third resonating portion 142d of the second cantilever 142 is located between the third fixed end 142a and the second joint portion 142c, and the fourth resonating portion 142e is located at the fourth fixed end. Between the 142b and the second bonding portion 142c, the thickness of the third resonating portion 142d is smaller than the thickness of the third fixing end 142a and the second bonding portion 142c, and the thickness of the fourth resonating portion 142e is smaller than the fourth fixing portion 142b. The thickness of the end and the second joint portion 142c. The turning tool 130 and the vibration can be caused by the first resonating portion 141d and the second resonating portion 141e of the first cantilever 141 and the third resonating portion 142d and the fourth resonating portion 142e of the second cantilever 142 The vibration of the member 160 resonates to form a vibration of the ultrasonic wave.

Referring to FIGS. 2 and 3, the first fixing plate 110 has a first positioning groove 115. The first positioning groove 115 is recessed on the first upper surface 111, and the second fixing plate 120 has a second positioning groove. The second positioning groove 125 is recessed on the second lower surface 122. Please refer to the figures 3, 4 and 5, the first fixed end 141a of the first cantilever 141 has a first groove S1, and the second The third fixed end 142a of the cantilever 142 has a third recess S3, and the first recess S1 and the third recess S3 coincide with the first positioning slot 115 of the first fixing plate 110, and a first bead The second fixed end 141b of the first cantilever 141 has a second recess S2, and the fourth fixed end 142b of the second cantilever 142 has a fourth recess S4. The second groove S2 and the fourth groove S4 are coincident with the second positioning groove 125 of the second fixing plate 120. A second pressing strip 126 is disposed in the second positioning groove 125. The first cantilever 141 is disposed. And the second cantilever 142 is confined between the first bead 116 and the second bead 126, so that the turning tool 130 can be firmly fixed to the first fixing plate 110 and the second Between the fixed plates 120.

Referring to FIGS. 2 and 3, the first end 132a of the shank portion 132 has a permanent through hole 132d. The first cantilever 141 has a first through hole H1, and the second cantilever 142 has a second through hole H2. The hole 132d, the first through hole H1 and the second through hole H2 form a positioning hole H3, and a positioning pin 133 is inserted into the positioning hole H3. The first end 132a of the shank portion 132 is disposed between the first cantilever 141 and the second cantilever 142, wherein one end of the positioning pin 133 is in contact with and closely fits the third fixing plate 180, so that The third fixing plate 180 can share the stress generated by the turning tool 130 during cutting.

Referring to FIGS. 2 and 6, the shank portion 132 has a vibrating portion 132c between the first end 132a and the second end 132b. The vibrating portion 132c has a mounting groove 132e. The mounting member 170 is mounted on the mounting portion 132e. The mounting member set 170 surrounds the vibrating portion 132c of the shank portion 132. The mounting member set 170 has a first mounting member 171 and a second mounting member 172. The first mounting portion The first mounting member 171 has a first joint end 171a, a second joint end 171b and an abutting portion 171c. The abutting portion 171c is disposed on the two sides of the shank portion 132. Between the first joint end 171a and the second joint end 171b, the abutting portion 171c is in contact with the vibrating member 160. The second mounting member 172 has a third joint end 172a and a fourth joint end 172b. The third joint end 172a is coupled to the first joint end 171a, and the fourth joint end 172b is coupled to the second joint end 171b to fix the vibrating member 160 in the mounting groove 132e, and to ensure that the vibrating member 160 can be driven. The turning tool 130 vibrates.

Referring to FIGS. 2 and 7 , the fixing base 150 has a fixing portion 153 . The fixing portion 153 surrounds a limiting space L. The second end 132 b of the shank portion 132 is limited to the limiting space L. In this embodiment, the fixing base 150 has a first fixing base 151 and a second fixing base 152. The first fixing base 151 is disposed on the first fixing plate 110, and the second fixing base 152 is disposed on the first fixing base 152. The first fixing base 151 has a first fixing groove 151a, and the second fixing seat 152 has a second fixing groove 152a, the first fixing groove 151a and the second fixing groove 152a. The first fixing groove 151a has a first groove bottom surface 151b, and the second fixing groove 152a has a second groove bottom surface 152b. The first groove bottom surface 151b is configured to form the limiting space L. The second groove bottom surface 152b has a spacing D which is greater than the thickness of the shank portion 132, and the width of the first fixing groove 151a and the second fixing groove 152a is greater than the shank portion 132. The width has a margin between the first fixing groove 151a and the second fixing groove 152a and the turning tool 130, The car blade 130 vibrate more easily.

Referring to FIGS. 2 and 8, the third fixing plate 180 of the ultrasonic vibration assisting device 100 is provided with an adapter 190. The adapter 190 can be different in shape depending on the seat to vibrate the ultrasonic wave. The auxiliary turning device 100 can be applied to a variety of tool holders. In the present example, a double seat is used as the seat, but the invention is not limited thereto.

The ultrasonic vibration assisting turning device 100 of the present invention is provided with the vibrating member 160 by the shank portion 132 of the turning tool 130, so that when the vibrating member 160 generates ultrasonic vibration, the turning tool 130 can also generate super The vibration of the sound wave can effectively improve the precision of the processing and reduce the cutting temperature, and the tool holder 130 is fixed to the first fixing plate 110 and the second fixing plate 120 by the cantilever group 140 and the fixing base group 150. In between, the turning tool 130 can withstand the cutting force during cutting.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

100‧‧‧Ultrasonic vibration assisted turning device
110‧‧‧First fixed plate
111‧‧‧First upper surface
112‧‧‧First lower surface
113‧‧‧First through hole
113a‧‧‧ first hole wall
114‧‧‧Second through hole
114a‧‧‧Second hole wall
115‧‧‧First positioning slot
116‧‧‧First layering
120‧‧‧Second fixed plate
121‧‧‧Second upper surface
122‧‧‧Second lower surface
123‧‧‧ third through hole
123a‧‧‧ third hole wall
124‧‧‧fourth through hole
125‧‧‧Second positioning slot
126‧‧‧second bead
124a‧‧‧Four hole wall
130‧‧‧ turning tools
131‧‧‧ Blade fixing
132‧‧‧Knife
132a‧‧‧ first end
132b‧‧‧second end
132c‧‧‧Vibration Department
132d‧‧‧through holes
132e‧‧‧Installation slot
133‧‧‧Locating pin
D‧‧‧ spacing
140‧‧‧Cantilever group
141‧‧‧First cantilever
141a‧‧‧first fixed end
141b‧‧‧second fixed end
141c‧‧‧ first joint
141d‧‧‧First Resonance
141e‧‧‧Second Resonance
141f‧‧‧ first side wall
141g‧‧‧first upper flange
141h‧‧‧First lower flange
142‧‧‧second cantilever
142a‧‧‧ third fixed end
142b‧‧‧four fixed end
142c‧‧‧Second junction
142d‧‧‧ Third Resonance
142e‧‧‧4th Resonance Department
142f‧‧‧second side wall
142g‧‧‧second upper flange
142h‧‧‧second lower flange
143‧‧‧Combination Department
150‧‧‧ fixed seat
151‧‧‧First mount
151a‧‧‧First fixed groove
151b‧‧‧The bottom of the first groove
152‧‧‧Second seat
152a‧‧‧Second fixing groove
152b‧‧‧ second groove bottom
153‧‧‧Fixed Department
160‧‧‧Vibration parts
170‧‧‧Installation kit
171‧‧‧First Mounting
171a‧‧‧First joint end
171b‧‧‧second junction
171c‧‧‧Resistance
172‧‧‧Second mounting
172a‧‧‧ third junction
172b‧‧‧fourth end
180‧‧‧ third fixed plate
190‧‧‧Adapter
A‧‧‧ accommodating space
L‧‧‧Limited space
S1‧‧‧first groove
S2‧‧‧second groove
S3‧‧‧ third groove
S4‧‧‧fourth groove
H1‧‧‧first perforation
H2‧‧‧Second perforation
H3‧‧‧Positioning holes

1 is a perspective assembled view of an ultrasonic vibration assisted turning device according to an embodiment of the present invention. Figure 2 is an exploded perspective view of the ultrasonic vibration assisted turning device in accordance with an embodiment of the present invention. Figure 3 is a perspective cross-sectional view of the ultrasonic vibration assisted turning apparatus in accordance with an embodiment of the present invention. Figure 4 is a perspective view of a first cantilever in accordance with an embodiment of the present invention. Figure 5 is a perspective view of a second cantilever according to an embodiment of the invention. Figure 6 is a perspective cross-sectional view of the ultrasonic vibration assisted turning apparatus in accordance with an embodiment of the present invention. Figure 7 is a perspective cross-sectional view of the ultrasonic vibration assisted turning apparatus in accordance with an embodiment of the present invention. Figure 8 is a perspective view of the ultrasonic vibration assisted turning device mounted on a compound tool holder in accordance with an embodiment of the present invention.

100‧‧‧Ultrasonic vibration assisted turning device

110‧‧‧First fixed plate

120‧‧‧Second fixed plate

130‧‧‧ turning tools

140‧‧‧Cantilever group

150‧‧‧ fixed seat

160‧‧‧Vibration parts

170‧‧‧Installation components

180‧‧‧ third fixed plate

190‧‧‧Adapter

Claims (17)

An ultrasonic vibration assisted turning device, comprising: a first fixing plate; a second fixing plate; a turning tool having a blade fixing portion and a shank portion, wherein the shank portion is located at the first fixing plate and the first Between the two fixing plates, the shank portion has a first end and a second end, the blade fixing portion is coupled to the first end; a cantilever group is located at the first fixing plate and the second fixing plate The first cantilever assembly has a first cantilever, a second cantilever, and a joint. The joint surrounds an accommodating space. The first end of the shank is fixed to the accommodating space, and the first end is Fixed between the first cantilever and the second cantilever, the first cantilever has a first fixed end and a second fixed end, the first fixed end is coupled to the first fixed plate, and the second fixed end is coupled The second fixed plate has a third fixed end and a fourth fixed end, the third fixed end is coupled to the first fixed plate, and the fourth fixed end is coupled to the second fixed plate; a fixing seat group located between the first fixing plate and the second fixing plate, Seat having a predetermined fixed portion, the fixed portion about a constraining space, the second end of the shank portion of the restrictor positioned limiting space; and a vibrating member disposed on the handle portion of the knife car. The ultrasonic vibration assisted turning device of claim 1, wherein the first cantilever has a first joint portion, and the first joint portion is located between the first fixed end and the second fixed end, The first joint has a first side wall, a first upper flange and a first lower flange, and the first upper flange and the first lower flange protrude from the first side wall. The ultrasonic vibration assisted turning device of claim 2, wherein the first cantilever has a first resonant portion and a second resonant portion, the first resonant portion is located at the first fixed end and the first The second resonance portion is located between the second fixed end and the first joint portion, and the thickness of the first resonance portion is smaller than the thickness of the first fixed end and the first joint portion, the second The thickness of the resonance portion is smaller than the thickness of the second fixed end and the first joint portion. The ultrasonic vibration-assisted turning device of the second aspect of the invention, wherein the second cantilever has a second joint portion, the second joint portion being located between the third fixed end and the fourth fixed end, The second joint has a second side wall, a second upper flange and a second lower flange, the second side wall faces the first side wall, and the second upper flange and the second lower flange protrude The second side wall, wherein the first side wall, the first upper flange, the first lower flange, the second side wall, the second upper flange and the second lower flange constitute the accommodating space. The ultrasonic vibration assisted turning device of claim 4, wherein the second cantilever has a third resonant portion and a fourth resonant portion, the third resonant portion is located at the third fixed end and the second The fourth resonance portion is located between the fourth fixed end and the second joint portion, and the thickness of the third resonance portion is smaller than the thickness of the third fixed end and the second joint portion, the fourth The thickness of the resonance portion is smaller than the thickness of the fourth fixed end and the second joint portion. The ultrasonic vibration assisted turning device of claim 1, wherein the first fixing plate has a first through hole and a second through hole, and the second fixing plate has a third through hole and a first a four-way hole, the first fixed end of the first cantilever is inserted into the first through hole, the second fixed end of the first cantilever is inserted in the third through hole, and the second cantilever The third fixed end is inserted into the second through hole, and the fourth fixed end of the second cantilever is inserted into the fourth through hole. The ultrasonic vibration assisted turning device according to claim 6, wherein the first a through hole has a first hole wall, a first gap between the first fixed end and the first hole wall, the second through hole has a second hole wall, the third fixed end and the second hole a second gap is formed between the walls, the third through hole has a third hole wall, the second fixed end and the third hole wall have a third gap, and the fourth through hole has a fourth hole The wall has a fourth gap between the fourth fixed end and the fourth hole wall. The ultrasonic vibration-assisted turning device of claim 6, wherein the first fixing plate has a first upper surface, a first lower surface and a first positioning groove, wherein the first positioning groove is recessed The first upper surface of the first cantilever has a first recess, and the third fixed end of the second cantilever has a third recess, the first recess and the third recess The slot is coincident with the first positioning slot of the first fixing plate, and a first pressing strip is disposed in the first positioning slot. The ultrasonic vibration assisted turning device of claim 8, wherein the second fixing plate has a second upper surface, a second lower surface and a second positioning groove, wherein the second positioning groove is recessed The second fixed end of the first cantilever has a second recess, and the fourth fixed end of the second cantilever has a fourth recess, the second recess and the fourth recess The slot is coincident with the second positioning slot of the second fixing plate, and a second pressing strip is disposed in the second positioning slot, wherein the first cantilever and the second cantilever are limited to the first bead and the second bead between. The ultrasonic vibration assisted turning device according to claim 1, wherein the first end of the shank portion has a consistent perforation, the first cantilever has a first perforation, and the second cantilever has a second perforation. The through hole, the first through hole and the second through hole form a positioning hole, and a positioning pin is inserted in the positioning hole. The ultrasonic vibration assisted turning device according to claim 1, wherein the shank portion has a vibrating portion located between the first end and the second end, the vibrating portion having A mounting groove, the vibrating member is mounted to the mounting groove. The ultrasonic vibration assisted turning device according to claim 11, comprising a mounting member group, the mounting member group being located between the first fixing plate and the second fixing plate, the mounting member group surrounding the knife The vibrating portion of the handle, the mounting member abuts the vibrating member to fix the vibrating member in the mounting groove. The ultrasonic vibration assisted turning device according to claim 12, wherein the mounting member set has a first mounting member and a second mounting member, and the first mounting member and the second mounting member are respectively located on the knife The first mounting member has a first joint end, a second joint end and an abutting portion. The abutting portion is located between the first joint end and the second joint end, and the abutting portion interferes The vibrating member has a third bonding end and a fourth bonding end. The third bonding end is coupled to the first bonding end, and the fourth bonding end is coupled to the second bonding end. The ultrasonic vibration-assisted turning device according to claim 1, wherein the fixing base has a first fixing seat and a second fixing seat, and the first fixing seat is disposed on the first fixing plate, the first The second fixing base is disposed on the second fixing plate, the first fixing seat has a first fixing groove, the second fixing seat has a second fixing groove, the first fixing groove and the second fixing groove Form this limit space. The ultrasonic vibration assisted turning device of claim 14, wherein the first fixing groove has a first groove bottom surface, and the second fixing groove has a second groove bottom surface, the first groove bottom surface There is a spacing between the bottom surfaces of the second grooves, the spacing being greater than the thickness of the shank portion. The ultrasonic vibration assisted turning device according to claim 15, wherein the width of the first fixing groove and the second fixing groove is larger than the width of the shank portion. The ultrasonic vibration assisted turning device according to claim 10, which comprises a third fixing plate is disposed between the first fixing plate and the second fixing plate, and two ends of the third fixing plate are respectively coupled to the first fixing plate and the second fixing plate. One end of the positioning pin is in contact with and closely fits to the third fixing plate.