Tubular composite material inner wall hole ultrasonic vibration chamfering device and method

Abstract

The invention discloses a tubular composite material inner wall hole ultrasonic vibration chamfering device which comprises a non-standard cutter handle, a machine tool spindle fixing frame and an ultrasonic vibration chamfering structure. A blind rivet at the top end of the non-standard cutter handle is connected with a machine tool spindle through a pneumatic clamping device, and the bottom end of the non-standard cutter handle is connected with the ultrasonic vibration chamfering structure. The ultrasonic vibration chamfering structure comprises a box body structure, a connecting transmission component and a vibration chamfering component, wherein the connecting transmission component and the vibration chamfering component are installed in the box body structure and connected through a tooth-shaped conveying belt, and the vibration chamfering component is used for ultrasonic vibration chamfering. An ultrasonic transmission device connected with the ultrasonic generator is arranged in the box body structure and is arranged on one side of the vibration chamfering component; the vibration chamfering component and the connection transmission component are arranged at the two ends of the interior of the box structure correspondingly, the top end of the connection transmission component is connected with the bottom end of the non-standard cutter handle, the non-standard cutter handle drives the tooth-shaped conveying belt to move by driving the connection transmission component, and then the vibration chamfering component is driven to rotate. And the bottom end of the vibration chamfering component is connected with a chamfering cutter for chamfering the inner wall of the tubular composite material. The problems that the inner wall of the tubular composite material is limited by space and cannot be chamfered after being drilled, the quality of the machined hole wall and edges is poor, and great difficulty is brought to automatic and efficient machining of the inner wall of the tubular composite material are solved.

Description

Technical Field

[0001] The invention relates to the technical field of composite material machining, and in particular to a device and method for ultrasonic vibration chamfering of inner wall holes of tubular composite materials. Background Art

[0002] Tubular composite materials play an increasingly important role in the development of modern industry and technology due to their excellent mechanical properties, good corrosion resistance, design flexibility and wide range of applications. Tubular composite materials usually need to be drilled when assembled with other workpieces. Burrs and cracks are very likely to occur during drilling, which seriously affects the assembly accuracy. After drilling holes in the inner wall of tubular composite materials, chamfering is usually not possible due to space limitations. The quality of the hole wall and edges after machining is poor, which brings great difficulties to its automated and efficient machining. Therefore, how to achieve chamfering of the inner wall holes of tubular composite materials and ensure their machining quality is a problem that companies need to solve urgently. Summary of the invention

[0003] The present invention provides an ultrasonic vibration chamfering device and method for inner wall holes of a tubular composite material, so as to overcome the above technical problems.

[0004] In order to achieve the above object, the technical solution of the present invention is:

[0005] An ultrasonic vibration chamfering device for inner wall holes of tubular composite materials, comprising a non-standard tool holder, a machine tool spindle fixing frame, and an ultrasonic vibration chamfering structure connected to the machine tool spindle fixing frame:

[0006] The pull nail at the top of the non-standard tool handle is connected to the machine tool spindle through a pneumatic clamping device, and the bottom of the non-standard tool handle is connected to the ultrasonic vibration chamfering structure;

[0007] The ultrasonic vibration chamfering structure comprises a box structure, and a connecting transmission member and a vibration chamfering member for ultrasonic vibration chamfering installed inside the box structure and connected by a toothed conveyor belt;

[0008] An ultrasonic transmission device connected to the ultrasonic generator is provided in the box structure, and the ultrasonic transmission device is arranged on one side of the vibration chamfering component;

[0009] The vibrating chamfering component and the connecting transmission component are respectively arranged at the two ends inside the box structure, and the top end of the connecting transmission component is connected to the bottom end of the non-standard tool handle. The non-standard tool handle drives the toothed conveyor belt to move by driving the connecting transmission component, thereby driving the vibrating chamfering component to rotate. The bottom end of the vibrating chamfering component is connected to a chamfering knife for chamfering the inner wall of the tubular composite material.

[0010] Further, the second vibration chamfering component includes a longitudinal amplitude changing rod, a transducer, a first gear and a first bearing member;

[0011] The longitudinal amplitude rod is connected to the transducer, and the transducer includes four electrode sheets and four piezoelectric ceramic sheets which are alternately connected from top to bottom;

[0012] The first gear sleeve and the first bearing member are sleeved on the longitudinal amplitude transformer, and a wireless transmission inner ring is provided at the top of the longitudinal amplitude transformer, and the wireless transmission inner ring is electrically connected to the electrode sheet;

[0013] The bottom end of the longitudinal amplitude rod passes through the bottom end of the box structure and is connected to the chamfering cutter;

[0014] Furthermore, the box structure includes an upper box cover and a lower box cover;

[0015] One end of the upper box cover is provided with a through hole structure connected to the output end of the non-standard tool handle;

[0016] The lower box cover is provided with a first installation slot structure, a second installation slot structure and a conveyor belt installation slot structure to form a block structure for installing an ultrasonic transmission device;

[0017] Furthermore, the first installation slot structure and the second installation slot structure are both connected to the conveyor belt installation slot structure.

[0018] Further, the connection transmission member includes a stepped shaft, a second gear and a second bearing member;

[0019] The second bearing member is the same as the first bearing member, and the second gear and the second bearing member are sleeved on the stepped shaft, and the second gear is connected to the first gear through a toothed belt;

[0020] The toothed conveyor belt includes a straight segment and an arc segment, and the radius of the circle where the outer side of the arc segment is located is smaller than the radius of the circle where the outer wall of the second bearing component is located.

[0021] Furthermore, the block structure is provided with a 1 / 8 annular groove structure;

[0022] The ultrasonic transmission device includes a 1 / 8 annular ferrite adapted to the 1 / 8 annular groove structure;

[0023] The 1 / 8 ring ferrite is provided with a mounting groove structure for mounting a 1 / 8 ring wireless transmission coil.

[0024] Furthermore, the width of the box structure is less than one third of the diameter of the inner wall of the tubular composite material;

[0025] The height from the top end surface of the box structure to the bottom end surface of the chamfering cutter is less than two-thirds of the diameter of the inner wall of the tubular composite material.

[0026] A method for ultrasonic vibration chamfering of inner wall holes of a tubular composite material comprises the following steps:

[0027] S1: Mount the tubular composite material to be chamfered on a set fixture with a dividing plate;

[0028] S2: Connect the rivet at the top of the non-standard tool handle to the machine tool spindle through a pneumatic clamping device, and connect the bottom end of the non-standard tool handle to the top end of the connecting transmission component;

[0029] S3: Set the search frequency and start the ultrasonic generator, and transmit the output of the ultrasonic generator to the wireless transmission inner ring set at the top of the longitudinal amplitude rod through the 1 / 8 ring wireless transmission coil in the ultrasonic transmission device;

[0030] The search frequency range is set to 25kHz-35kHz;

[0031] The output of the ultrasonic generator is transmitted to the transducer through the wireless transmission inner ring, and then the transducer generates amplitude at the top corner of the chamfering cutter connected to the longitudinal amplitude rod;

[0032] The amplitude at the top angle of the chamfering tool is 5-8 μm;

[0033] S4: a positioning procedure for setting the center position of the chamfering cutter and each row of inner wall holes on the tubular composite material;

[0034] After confirming that the chamfering cutter corresponds to the center position of each inner wall hole in the current row based on the positioning program, the spindle speed is set and the machine tool is started, and the machine tool spindle is driven by the non-standard tool holder to connect the transmission component to rotate relative to the box structure;

[0035] S5: driving the toothed conveyor belt to move by connecting the transmission member, and then driving the ultrasonic vibration chamfering structure to rotate by the toothed conveyor belt, and driving the chamfering cutter generating the amplitude to rotate by the ultrasonic vibration chamfering structure, so as to achieve vibration chamfering of the inner wall hole of the tubular composite material;

[0036] S6: After completing the vibration chamfering of each inner wall hole of the current row on the tubular composite material, the vibration chamfering of all inner wall holes of the tubular composite material is achieved by rotating the fixture of the indexing plate;

[0037] S7: Turn off the machine tool and the ultrasonic generator, and remove the tubular composite material after vibration chamfering.

[0038] Beneficial effect: The present invention provides an ultrasonic vibration chamfering device and method for the inner wall holes of a tubular composite material. The toothed conveyor belt is driven to move by a non-standard tool handle to connect the transmission component, thereby driving the vibration chamfering component to rotate. The bottom end of the vibration chamfering component is connected to a chamfering knife for chamfering the inner wall of the tubular composite material, so as to realize ultrasonic vibration chamfering of the inner wall holes of the tubular composite material. By applying longitudinal ultrasonic vibration to the chamfering knife, the dimensional accuracy and positional accuracy of the inner wall holes of the tubular composite material are improved, so that while ensuring the quality of the hole wall edges, the chamfering efficiency of the inner wall holes of the tubular composite material is greatly improved, the processing cost is reduced and the processing quality of the inner wall holes is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0040] Figure 1 It is a schematic structural diagram of the ultrasonic vibration chamfering device for inner wall holes of a tubular composite material according to the present invention;

[0041] Figure 2 This is a schematic diagram of a non-standard tool holder and a machine tool spindle fixing bracket in this embodiment;

[0042] Figure 3 This is a schematic diagram of the upper box cover in this embodiment;

[0043] Figure 4 This is a schematic diagram of the lower box cover in this embodiment;

[0044] Figure 5 This is a schematic diagram of connecting the transmission component and the vibration chamfering component in this embodiment;

[0045] Figure 6 This is a schematic structural diagram of the vibration chamfering component in this embodiment;

[0046] Figure 7 Schematic diagram of the structure of the connecting transmission component in this embodiment.

[0047] In the figure: 1. Non-standard tool handle; 2. Machine tool spindle fixing frame; 3. Ultrasonic vibration chamfering structure; 31. Box structure; 311. Upper box cover; 312. Lower box cover; 3121. First mounting groove structure; 3122. Second mounting groove structure; 3123. Conveyor belt mounting groove structure; 3124. Block structure; 31240. 1 / 8 annular groove structure; 32. Vibration chamfering component; 321. Longitudinal amplitude rod; 3211. Wireless transmission inner ring; 322. Transducer; 3221, electrode sheet; 3222, piezoelectric ceramic sheet; 323, first gear; 324, first bearing; 33, connecting transmission member; 331, stepped shaft; 332, second gear; 333, second bearing; 34, toothed conveyor belt; 341, straight segment; 342, arc segment; 4, chamfering knife; 5, ultrasonic generator; 6, ultrasonic transmission device; 61, 1 / 8 annular ferrite; 62, 1 / 8 annular wireless transmission coil. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] This embodiment provides an ultrasonic vibration chamfering device for inner wall holes of a tubular composite material, such as Figures 1 to 2 As shown, it includes a non-standard tool handle 1, a machine tool spindle fixing frame 2, and an ultrasonic vibration chamfering structure 3 connected to the machine tool spindle fixing frame 2 through a countersunk bolt: the pull nail at the top of the non-standard tool handle 1 is connected to the machine tool spindle through a pneumatic clamping device, and the bottom end of the non-standard tool handle 1 is connected to the ultrasonic vibration chamfering structure 3; wherein, the pneumatic clamping device is an existing well-known technical means, which is not the invention point of the present application, and will not be described in detail here;

[0050] The ultrasonic vibration chamfering structure 3 includes a box structure 31, and a connecting transmission component 33 installed inside the box structure 31 and connected by a toothed conveyor belt 34 and a vibration chamfering component 32 for ultrasonic vibration chamfering, and the connecting transmission component 33 is rotatably connected with the vibration chamfering component 32 and the box structure 31, wherein the hexagonal prism at the bottom end of the non-standard tool handle 1 is matched with the countersunk hexagonal prism on the top end of the stepped shaft 331.

[0051] Specifically, Figures 5 and 6As shown, the second vibration chamfering component 32 includes a longitudinal amplitude rod 321, a transducer 322, a first gear 323 and a first bearing member 324; the longitudinal amplitude rod 321 is internally connected with the transducer 322, and the transducer 322 includes a plurality of electrode sheets 3221 and piezoelectric ceramic sheets 3222 alternately connected from top to bottom, preferably four electrode sheets 3221 and four piezoelectric ceramic sheets 3222; the first gear 323 and the first bearing member 324 are sleeved on the longitudinal amplitude rod 321, and a wireless transmission inner ring 3211 is provided at the top of the longitudinal amplitude rod 321, and the wireless transmission inner ring 3211 is electrically connected to the electrode sheet 3221;

[0052] The box structure 31 includes an upper box cover 311 and a lower box cover 312; Figure 3 to Figure 4 As shown, one end of the upper box cover 311 is provided with a through hole structure connected to the output end of the non-standard tool handle 1; the lower box cover 312 is provided with a first mounting slot structure 3121, a second mounting slot structure 3122 and a conveyor belt mounting slot structure 3123 to form a block structure 3124 for mounting the ultrasonic transmission device 6; and the first mounting slot structure 3121 and the second mounting slot structure 3122 are both connected to the conveyor belt mounting slot structure 3123; wherein a through hole is provided in the center of the upper box cover 331, and the wire in the 1 / 8 annular wireless transmission coil 62 is connected to the ultrasonic generator 5 through the central through hole of the upper box cover 331; bolt holes are provided at the four corners of the upper box cover 311 and the lower box cover 312 and are connected by countersunk bolts;

[0053] like Figure 7 As shown, the connection transmission member 33 includes a stepped shaft 331, a second gear 332 and a second bearing 333;

[0054] The second bearing member 333 is the same as the first bearing member 324, and the upper ends of the second bearing member 333 and the first bearing member 324 are both provided with bearing retaining springs. The second gear 332 and the second bearing member 333 are sleeved on the stepped shaft 331, and the second gear 332 is connected to the first gear 323 through a toothed conveyor belt 34; the toothed conveyor belt 34 includes a straight segment 341 and an arc segment 342, and the radius of the circle where the outer side of the arc segment 342 is located is smaller than the radius of the circle where the outer wall of the second bearing member 333 is located;

[0055] The bottom end of the longitudinal amplitude rod 321 passes through the bottom end of the box structure 31 and is connected to the chamfering knife 4 .

[0056] The box structure 31 is provided with an ultrasonic transmission device 6 connected to the ultrasonic generator 5, and the ultrasonic transmission device 6 is arranged on one side of the vibration chamfering component 32;

[0057] The vibration chamfering component 32 and the connecting transmission component 33 are respectively arranged at the two ends inside the box structure 31, and the top end of the connecting transmission component 33 is connected to the bottom end of the non-standard tool handle 1. The non-standard tool handle 1 drives the toothed conveyor belt 34 to move by driving the connecting transmission component 33, thereby driving the vibration chamfering component 32 to rotate. The bottom end of the vibration chamfering component 32 is connected to a chamfering knife 4 for chamfering the inner wall of the tubular composite material.

[0058] In this embodiment, a non-standard tool handle drives the transmission component to drive the toothed conveyor belt to move, thereby driving the vibration chamfering component to rotate. The bottom end of the vibration chamfering component is connected to a chamfering tool for chamfering the inner wall of the tubular composite material, so as to realize ultrasonic vibration chamfering of the inner wall holes of the tubular composite material. By applying longitudinal ultrasonic vibration to the chamfering tool, the dimensional accuracy and positional accuracy of the inner wall holes of the tubular composite material are improved, so that while ensuring the quality of the hole wall edges, the chamfering efficiency of the inner wall holes of the tubular composite material is greatly improved, the processing cost is reduced and the processing quality of the inner wall holes is improved.

[0059] In a specific embodiment, the block structure 3124 is provided with a 1 / 8 annular groove structure 31240;

[0060] The ultrasonic transmission device 6 includes a 1 / 8 annular ferrite 61 that is compatible with the 1 / 8 annular groove structure 31240; the 1 / 8 annular ferrite 61 is provided with an installation groove structure for installing a 1 / 8 annular wireless transmission coil 62, so that the ultrasonic transmission device 6 can be installed inside the box structure 31, and an ultrasonic transmission device is formed between the ultrasonic transmission device 6 and the vibration chamfering component 32, so as to generate amplitude at the top angle of the chamfering tool during the ultrasonic vibration chamfering process of the inner wall hole of the tubular composite material.

[0061] In a specific embodiment, the width of the box structure 31 is less than one-third of the diameter of the inner wall of the tubular composite material; the height from the top end surface of the box structure 31 to the bottom end surface of the chamfering knife 4 is less than two-thirds of the diameter of the inner wall of the tubular composite material, so as to ensure that the ultrasonic vibration chamfering structure 3 can chamfer all inner wall holes on the tubular composite material and avoid damage to the tubular composite material due to collision between the ultrasonic vibration chamfering structure 3 and the inner wall of the tubular composite material.

[0062] A method for ultrasonic vibration chamfering of inner wall holes of a tubular composite material comprises the following steps:

[0063] S1: installing the tubular composite material A to be chamfered on a set fixture with a dividing plate, and also comprising clamping the tubular composite material workpiece to be chamfered with a preset V-shaped pressing block;

[0064] S2: Connect the rivet at the top of the non-standard tool handle 1 to the machine tool spindle through a pneumatic clamping device, and connect the bottom end of the non-standard tool handle 1 to the top end of the connecting transmission member 33;

[0065] S3: Set the search frequency and start the ultrasonic generator 5, and transmit the output of the ultrasonic generator 5 to the wireless transmission inner ring 3211 set at the top of the longitudinal amplitude transformer 321 through the 1 / 8 annular wireless transmission coil 62 in the ultrasonic transmission device 6; and transmit the output of the ultrasonic generator 5 to the transducer 322 through the wireless transmission inner ring 3211, and then generate amplitude at the top corner of the chamfering knife 4 connected to the longitudinal amplitude transformer 321 through the transducer 322; preferably, the search frequency range is set to 25kHz-35kHz; the amplitude at the top corner of the chamfering knife 4 is 5-8μm, and the temperature of the ultrasonic vibration chamfering device for the inner wall of the tubular composite material is less than 35°;

[0066] S4: a positioning procedure for setting the center position of the chamfering knife 4 and each row of inner wall holes on the tubular composite material; wherein the implementation method of the positioning procedure can be set by existing known technical means according to the position of each row of inner wall holes on the tubular composite material and the position of the center line of the chamfering knife 4, and this part of the content is not the invention point of the application, and will not be described in detail here;

[0067] After confirming that the chamfering cutter 4 corresponds to the center position of each inner wall hole in the current row based on the positioning program, the spindle speed is set and the machine tool is started. The spindle speed is preferably set to 500r / min; and the machine tool spindle is driven by the non-standard tool holder 1 to connect the transmission member 33 to rotate relative to the box structure 31;

[0068] S5: driving the toothed conveyor belt 34 to move through the connecting transmission member 33, and then driving the ultrasonic vibration chamfering structure 3 to rotate through the toothed conveyor belt 34, and driving the chamfering knife 4 that generates amplitude to rotate through the ultrasonic vibration chamfering structure 3, so as to achieve vibration chamfering of the inner wall hole of the tubular composite material;

[0069] S6: After completing the vibration chamfering of each inner wall hole of the current row on the tubular composite material, the vibration chamfering of all inner wall holes of the tubular composite material is achieved by rotating the fixture of the indexing plate;

[0070] S7: Turn off the machine tool and the ultrasonic generator 5, and remove the tubular composite material after vibration chamfering.

[0071] The beneficial effects of this embodiment are as follows: the stepped shaft, the second gear, the toothed transmission belt, the first gear, the longitudinal amplitude change rod and the chamfering cutter are driven to rotate in sequence by the machine tool spindle, thereby realizing 360° chamfering processing of the inner wall hole of the tubular composite material. At the same time, longitudinal ultrasonic vibration is applied to the chamfering cutter through the vibrating chamfering component 32, thereby improving the dimensional accuracy and positional accuracy of the inner wall hole of the tubular composite material, and greatly improving the chamfering efficiency of the inner wall hole of the tubular composite material while ensuring the quality of the hole wall edges.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ultrasonic vibration chamfering device for inner wall holes of tubular composite materials, characterized in that: The invention comprises a non-standard tool holder (1), a machine tool spindle fixing frame (2), and an ultrasonic vibration chamfering structure (3) connected to the machine tool spindle fixing frame (2): The rivet at the top of the non-standard tool handle (1) is connected to the machine tool spindle via a pneumatic clamping device, and the bottom of the non-standard tool handle (1) is connected to the ultrasonic vibration chamfering structure (3); The ultrasonic vibration chamfering structure (3) comprises a box structure (31), and a connecting transmission component (33) and a vibration chamfering component (32) for ultrasonic vibration chamfering, which are installed inside the box structure (31) and connected by a toothed conveyor belt (34); An ultrasonic transmission device (6) connected to the ultrasonic generator (5) is provided in the box structure (31), and the ultrasonic transmission device (6) is arranged on one side of the vibration chamfering component (32); The vibrating chamfering component (32) and the connecting transmission component (33) are respectively arranged at two ends inside the box structure (31), and the top end of the connecting transmission component (33) is connected to the bottom end of the non-standard tool handle (1). The non-standard tool handle (1) drives the toothed conveyor belt (34) to move by driving the connecting transmission component (33), thereby driving the vibrating chamfering component (32) to rotate. The bottom end of the vibrating chamfering component (32) is connected to a chamfering knife (4) for chamfering the inner wall of a tubular composite material.

2. The ultrasonic vibration chamfering device for inner wall holes of tubular composite materials according to claim 1, characterized in that: The second vibration chamfering component (32) comprises a longitudinal amplitude changing rod (321), a transducer (322), a first gear (323) and a first bearing member (324); The longitudinal amplitude changing rod (321) is connected to a transducer (322), and the transducer (322) comprises four electrode sheets (3221) and four piezoelectric ceramic sheets (3222) which are alternately connected in sequence from top to bottom; The first gear (323) sleeve and the first bearing member (324) are sleeved on the longitudinal amplitude changing rod (321), and a wireless transmission inner ring (3211) is provided at the top end of the longitudinal amplitude changing rod (321), and the wireless transmission inner ring (3211) is electrically connected to the electrode sheet (3221); The bottom end of the longitudinal amplitude changing rod (321) passes through the bottom end of the box structure (31) and is connected to the chamfering knife (4).

3. The ultrasonic vibration chamfering device for inner wall holes of tubular composite materials according to claim 2, characterized in that: The box structure (31) comprises an upper box cover (311) and a lower box cover (312); One end of the upper box cover (311) is provided with a through hole structure connected to the output end of the non-standard tool handle (1); The lower box cover (312) is provided with a first installation slot structure (3121), a second installation slot structure (3122) and a conveyor belt installation slot structure (3123) to form a block structure (3124) for installing an ultrasonic transmission device (6); Furthermore, the first installation slot structure (3121) and the second installation slot structure (3122) are both connected to the conveyor belt installation slot structure (3123).

4. The ultrasonic vibration chamfering device for inner wall holes of tubular composite materials according to claim 3, characterized in that: The connection transmission member (33) comprises a stepped shaft (331), a second gear (332) and a second bearing member (333); The second bearing member (333) is the same as the first bearing member (324), and the second gear (332) and the second bearing member (333) are sleeved on the stepped shaft (331), and the second gear (332) is connected to the first gear (323) via a toothed conveyor belt (34); The toothed conveyor belt (34) comprises a straight section (341) and an arc section (342), and the radius of the circle on which the outer side of the arc section (342) is located is smaller than the radius of the circle on which the outer wall of the second bearing member (333) is located.

5. The ultrasonic vibration chamfering device for inner wall holes of tubular composite materials according to claim 4, characterized in that: The block structure (3124) is provided with a 1 / 8 annular groove structure (31240); The ultrasonic transmission device (6) comprises a 1 / 8 annular ferrite (61) adapted to the 1 / 8 annular groove structure (31240); The 1 / 8 ring-shaped ferrite (61) is provided with a mounting groove structure for mounting a 1 / 8 ring-shaped wireless transmission coil (62).

6. The ultrasonic vibration chamfering device for inner wall holes of tubular composite materials according to claim 3, characterized in that: The width of the box structure (31) is less than one third of the diameter of the inner wall of the tubular composite material; The height from the top end surface of the box structure (31) to the bottom end surface of the chamfering cutter (4) is less than two-thirds of the diameter of the inner wall of the tubular composite material.

7. A method for chamfering inner wall holes of a tubular composite material by ultrasonic vibration, based on the device for chamfering inner wall holes of a tubular composite material according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1: Mount the tubular composite material to be chamfered on a set fixture with a dividing plate; S2: connecting the rivet at the top of the non-standard tool handle (1) to the main shaft of the machine tool through a pneumatic clamping device, and connecting the bottom end of the non-standard tool handle (1) to the top end of the connecting transmission component (33); S3: Setting the search frequency and starting the ultrasonic generator (5), transmitting the output of the ultrasonic generator (5) to the wireless transmission inner ring (3211) provided at the top of the longitudinal amplitude transformer (321) through the 1 / 8 ring wireless transmission coil (62) in the ultrasonic transmission device (6); The search frequency range is set to 25kHz-35kHz; The output of the ultrasonic generator (5) is transmitted to the transducer (322) through the wireless transmission inner ring (3211), and then the transducer (322) generates an amplitude at the top corner of the chamfering knife (4) connected to the longitudinal amplitude rod (321); The amplitude of the chamfering knife (4) at the top corner is 5-8 μm; S4: a procedure for setting the positioning of the chamfering cutter (4) and the center position of each row of inner wall holes on the tubular composite material; After confirming that the chamfering cutter (4) corresponds to the center position of each inner wall hole in the current row based on the positioning program, the spindle speed is set and the machine tool is started, and the machine tool spindle drives the connecting transmission component (33) to rotate relative to the box structure (31) through the non-standard tool holder (1); S5: driving the toothed conveyor belt (34) to move by connecting the transmission member (33), thereby driving the ultrasonic vibration chamfering structure (3) to rotate by the toothed conveyor belt (34), and driving the chamfering knife (4) that generates amplitude to rotate by the ultrasonic vibration chamfering structure (3), so as to achieve vibration chamfering of the inner wall hole of the tubular composite material; S6: After completing the vibration chamfering of each inner wall hole of the current row on the tubular composite material, the vibration chamfering of all inner wall holes of the tubular composite material is achieved by rotating the fixture of the indexing plate; S7: Turn off the machine tool and the ultrasonic generator (5), and remove the tubular composite material after vibration chamfering.

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