A mode-saving polishing ultrasonic polishing pen

CN224659044UActive Publication Date: 2026-08-21DONGGUAN SHENGLONG PNEUMATIC TOOLS CO LTD
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Patent Information

Application Number
CN202522094019.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-08-21
Estimated Expiration
2035-09-29

AI Technical Summary

Technical Problem

现有的超声波打磨笔通过气动的形式驱动输出轴运动时,其只有一个风轮在风力的带动下旋转,存在动力不足的问题,长时间工作容易造成风轮疲劳,导致风轮的磨损严重,缩短了打磨笔的使用寿命,需要改善

Benefits of technology

[0011] The beneficial effects of this utility model are as follows: This utility model provides a mold-saving ultrasonic polishing pen. In use, the polishing material is installed on the output shaft, and the air inlet is connected to the air pipe. Air is supplied to the air chamber through the air pipe. The high-pressure gas in the air chamber is output through the oblique air passages on both sides. The high-pressure gas is blown onto the impeller through the oblique air passages, thereby driving the impeller to rotate. The rotating shaft rotates under the drive of the two impellers. Since the two ends of the rotating shaft are connected to the outer shell through eccentric wheels, the first connecting rod and the second connecting rod will move back and forth synchronously, so that the output shaft drives the polishing material to polish the surface of the object to be polished. This can improve the output power of the output shaft, have better working stability, better polishing effect, and longer service life.

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Abstract

The utility model provides a kind of superfluous mould polishing ultrasonic wave polishing pen, include pneumatic drive mechanism, pneumatic drive mechanism include shell, air intake subassembly, drive wheel subassembly, first connecting rod, second connecting rod, output shaft, air intake subassembly include air intake seat, apron, air intake seat is provided with accommodating cavity in one end, apron is provided with gas groove in one end, apron is provided with air inlet in other end, gas groove and the end surface of accommodating cavity are surrounded and form gas cavity, two oblique air passages that air intake seat other end is parallelly provided with and is communicated with gas cavity, drive wheel subassembly include shaft, two wind wheels, the both ends between shaft and shell are connected by eccentric wheel, the both ends of first connecting rod, second connecting rod are respectively provided with first connecting hole, second connecting hole, first connecting hole is movably connected on shaft, the one end of output shaft is connected with bolt, the both ends of bolt are movably connected on the second connecting hole of first connecting rod,second connecting rod, the output power of output shaft can be improved, and service life is longer.
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Description

Technical Field

[0001] This utility model relates to the field of ultrasonic polishing pen technology, and more particularly to a mold-saving ultrasonic polishing pen. Background Technology

[0002] An ultrasonic polishing pen is a tool that uses high-frequency vibration to polish objects. Existing ultrasonic polishing pens, which drive the output shaft pneumatically, only have one impeller rotating under the force of the airflow. This results in insufficient power, and prolonged use can easily cause impeller fatigue, leading to severe wear and shortening the polishing pen's lifespan. Improvements are needed. Summary of the Invention

[0003] The problem to be solved by this utility model is to provide a mold-saving ultrasonic polishing pen that improves output power.

[0004] To solve the above technical problems, the present invention provides a mold-saving ultrasonic polishing pen, comprising a pneumatic drive mechanism. The pneumatic drive mechanism includes a housing, an air intake assembly, a drive wheel assembly, a first connecting rod, a second connecting rod, and an output shaft. The housing includes an upper housing and a lower housing, which are joined to form an inner cavity. The housing includes a first port and a second port communicating with the inner cavity. The air intake assembly includes an air intake seat and a cover plate matching the first port. The air intake seat is disposed on the first port, and one end of the air intake seat has a receiving cavity. The cover plate is detachably connected to the receiving cavity, and one end of the cover plate has an air groove, while the other end of the cover plate has... An air inlet is provided that communicates with the air slot. One end face of the air slot and the receiving cavity surrounds and forms an air cavity. Two oblique air passages communicating with the air cavity are arranged side by side at the other end of the air inlet seat. The drive wheel assembly includes a rotating shaft and two impellers symmetrically connected to the rotating shaft. The two ends of the rotating shaft are connected to the outer casing through eccentric wheels. The two ends of the first connecting rod and the second connecting rod are respectively provided with a first connecting hole and a second connecting hole. The first connecting hole is movably connected to the rotating shaft. One end of the output shaft is connected to a pin. The two ends of the pin are movably connected to the second connecting holes of the first connecting rod and the second connecting rod, respectively. The first connecting rod and the second connecting rod are movably set on the second port.

[0005] Preferably, the wind turbine includes a wind turbine body, and toothed wind-receiving parts are evenly distributed around the periphery of the wind turbine body.

[0006] Preferably, it further includes an annular connector that matches the output shaft. The annular connector is sleeved on one end of the output shaft. One end of the annular connector is provided with a first slot, which divides one end of the annular connector into a first clamping piece and a second clamping piece. One end of the output shaft is provided with a second slot, which divides one end of the output shaft into a third clamping piece and a fourth clamping piece. The side wall of the output shaft is provided with a through hole that communicates with the second slot. The side wall of the annular connector is provided with a countersunk hole that communicates with the inner ring of the annular connector. The side wall of the annular connector is provided with an internal hexagon countersunk hole that corresponds to the countersunk hole.

[0007] Preferably, the bottom of the upper housing is symmetrically provided with an upper annular groove, and the top of the lower housing is symmetrically provided with a lower annular groove. The upper and lower annular grooves are joined together to form an annular groove that matches the eccentric wheel, and the eccentric wheel is movably disposed on the annular groove.

[0008] Preferably, an exhaust port corresponding to the impeller is provided through the upper housing.

[0009] Preferably, the cover plate has limit notches on all four sides of its edge, and the side wall of the receiving cavity has a limiting part corresponding to the limit notch, which engages with the limit notch.

[0010] Preferably, one end of the air intake seat is provided with an extension corresponding to the impeller, one side of the extension is provided with an arc-shaped surface, and the output end of the oblique air passage extends to the arc-shaped surface.

[0011] The beneficial effects of this utility model are as follows: This utility model provides a mold-saving ultrasonic polishing pen. In use, the polishing material is installed on the output shaft, and the air inlet is connected to the air pipe. Air is supplied to the air chamber through the air pipe. The high-pressure gas in the air chamber is output through the oblique air passages on both sides. The high-pressure gas is blown onto the impeller through the oblique air passages, thereby driving the impeller to rotate. The rotating shaft rotates under the drive of the two impellers. Since the two ends of the rotating shaft are connected to the outer shell through eccentric wheels, the first connecting rod and the second connecting rod will move back and forth synchronously, so that the output shaft drives the polishing material to polish the surface of the object to be polished. This can improve the output power of the output shaft, have better working stability, better polishing effect, and longer service life. Attached Figure Description

[0012] Figure 1 A schematic diagram illustrating the external structure of this utility model is provided.

[0013] Figure 2 The left view of this utility model is shown as an example.

[0014] Figure 3 An exploded view of the present invention is shown.

[0015] Figure 4 This utility model is illustrated. Figure 2Cross-sectional view at point AA′.

[0016] Figure 5 This utility model is illustrated. Figure 2 Cross-sectional view at BB′.

[0017] Figure 6 This utility model is illustrated. Figure 2 Cross-sectional view at CC′.

[0018] Reference numerals: Outer shell 1, Upper shell 10, Upper annular groove 100, Exhaust port 101, Lower shell 11, Lower annular groove 110, Inner cavity 12, First port 13, Second port 14, Intake assembly 2, Intake seat 20, Receiving cavity 200, Limiting part 201, Extension part 202, Arc-shaped surface 202a, Cover plate 21, Air groove 210, Intake hole 211, Air chamber 212, Angled air passage 213, Limiting notch 214 3. Drive wheel assembly 3, rotating shaft 30, impeller 31, impeller body 310, toothed wind receiving part 311, first connecting rod 4, first connecting hole 40, second connecting hole 41, second connecting rod 5, output shaft 6, pin 60, second slot 61, third clamping piece 62, fourth clamping piece 63, through hole 64, annular joint 7, first slot 70, first clamping piece 71, second clamping piece 72, countersunk hole 73, internal hexagon countersunk hole 74. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure.

[0020] Based on the embodiments described in this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this disclosure.

[0021] refer to Figure 1-6 .

[0022] This utility model provides a mold-saving ultrasonic polishing pen, comprising a pneumatic drive mechanism. The pneumatic drive mechanism includes a housing 1, an air inlet assembly 2, a drive wheel assembly 3, a first connecting rod 4, a second connecting rod 5, and an output shaft 6. The housing 1 includes an upper housing 10 and a lower housing 11, which are assembled to form an inner cavity 12. The housing 1 includes a first port 13 and a second port 14 communicating with the inner cavity 12. The air inlet assembly 2 includes an air inlet seat 20 and a cover plate 21 that match the first port 13. The air inlet seat 20 is disposed on the first port 13, and one end of the air inlet seat 20 has a receiving cavity 200. The cover plate 21 is detachably connected to the receiving cavity 200, and one end of the cover plate 21 has an air groove 210. The other end of the cover plate 21 has a groove 210. The air inlet 211, the air groove 210 and the end face of the receiving cavity 200 surround to form an air cavity 212. The other end of the air inlet seat 20 is provided with two oblique air passages 213 that communicate with the air cavity 212. The drive wheel assembly 3 includes a rotating shaft 30 and two impellers 31 symmetrically connected to the rotating shaft 30. The two ends of the rotating shaft 30 are connected to the outer casing 1 through eccentric wheels. The two ends of the first connecting rod 4 and the second connecting rod 5 are respectively provided with a first connecting hole 40 and a second connecting hole 41. The first connecting hole 40 is movably connected to the rotating shaft 30. One end of the output shaft 6 is connected to a pin 60. The two ends of the pin 60 are movably connected to the second connecting holes 41 of the first connecting rod 4 and the second connecting rod 5, respectively. The first connecting rod 4 and the second connecting rod 5 are movably set on the second port 14.

[0023] Its working principle is as follows: When in use, the polishing material is installed on the output shaft 6, and the air inlet 211 is connected to the air pipe. Air is supplied to the air chamber 212 through the air pipe. The high-pressure gas in the air chamber 212 is output through the two oblique air passages 213 on both sides. The high-pressure gas is blown onto the impeller through the oblique air passages 213, thereby driving the impeller 31 to rotate. The rotating shaft 30 rotates under the drive of the two impellers 31. Since the two ends of the rotating shaft 30 are connected to the outer shell 1 through eccentric wheels, the first connecting rod 4 and the second connecting rod 5 will move back and forth synchronously, so that the output shaft 6 drives the polishing material to polish the surface of the object to be polished. This can improve the output power of the output shaft, have better working stability, better polishing effect, and longer service life.

[0024] Based on the above embodiments, the wind turbine 31 includes a wind turbine body 310, and toothed wind-receiving parts 311 are evenly distributed around the periphery of the wind turbine body 310, which can improve the wind-receiving continuity of the wind turbine 31 and ensure that the wind turbine 31 rotates smoothly.

[0025] Based on the above embodiments, it also includes an annular connector 7 that matches the output shaft 6. The annular connector 7 is sleeved on one end of the output shaft 6. One end of the annular connector 7 is provided with a first straight groove 70, which divides one end of the annular connector 7 into a first clamping piece 71 and a second clamping piece 72. One end of the output shaft 6 is provided with a second straight groove 61, which divides one end of the output shaft 6 into a third clamping piece 62 and a fourth clamping piece 63. The side wall of the output shaft 6 is provided with a through hole 64 that communicates with the second straight groove 61. The side wall of the annular connector 7 is provided with a countersunk hole 73 that communicates with the inner ring of the annular connector 7. The side wall of the annular connector 7 is provided with an internal hexagon countersunk hole 74 that corresponds to the countersunk hole 73. A hexagonal nut is installed in the internal hexagonal countersunk hole 74, and a screw connected to the hexagonal nut is installed in the countersunk hole 73. When installing polishing material on the output shaft 6, one end of the polishing material is inserted into the second slot 61. By tightening the screw, the first clamping plate 71 and the second clamping plate 72 will be tightened, thereby tightening the third clamping plate 62 and the fourth clamping plate 63 and clamping one end of the polishing material, thus realizing the installation of the polishing material.

[0026] Based on the above embodiments, the bottom of the upper housing 10 is symmetrically provided with an upper annular groove 100, and the top of the lower housing 11 is symmetrically provided with a lower annular groove 110. The upper annular groove 100 and the lower annular groove 110 are joined together to form an annular groove that matches the eccentric wheel. The eccentric wheel is movably disposed on the annular groove, which facilitates the disassembly and assembly of the eccentric wheel.

[0027] Based on the above embodiments, an exhaust port 101 corresponding to the impeller 31 is provided through the upper housing 10 to realize the discharge of gas in the inner cavity 12 and avoid the high pressure in the inner cavity 12 from hindering the rotation of the impeller 31.

[0028] Based on the above embodiments, the cover plate 21 is provided with limiting notches 214 on all four sides of its edge, and the side wall of the receiving cavity 200 is provided with limiting parts 201 corresponding to the limiting notches 214. The limiting parts 201 are engaged with the limiting notches 214 to achieve the positioning of the cover plate 21, which has the advantage of easy disassembly and assembly.

[0029] Based on the above embodiments, one end of the air intake seat 20 is provided with an extension 202 corresponding to the impeller 31. One side of the extension 202 is provided with an arc-shaped surface 202a. The output end of the inclined air passage 213 extends to the arc-shaped surface 202a, which can increase the area of ​​the output end of the inclined air passage 213 and make the output end of the inclined air passage 213 closer to the wheel surface of the impeller 31, thereby improving the wind reception effect of the impeller 31 and increasing the output power.

[0030] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A mold-saving ultrasonic polishing pen, comprising a pneumatic drive mechanism, characterized in that, The pneumatic drive mechanism includes a housing, an air intake assembly, a drive wheel assembly, a first connecting rod, a second connecting rod, and an output shaft. The housing includes an upper housing and a lower housing, which are joined together to form an inner cavity. The housing includes a first port and a second port communicating with the inner cavity. The air intake assembly includes an air intake seat and a cover plate that match the first port. The air intake seat is disposed on the first port, and one end of the air intake seat has a receiving cavity. The cover plate is detachably connected to the receiving cavity. One end of the cover plate has an air groove, and the other end of the cover plate has an air intake hole communicating with the air groove. The air groove and the receiving cavity... One end face of the air intake seat forms an air cavity, and two oblique air passages communicating with the air cavity are arranged side by side at the other end of the air intake seat. The drive wheel assembly includes a rotating shaft and two impellers symmetrically connected to the rotating shaft. The two ends of the rotating shaft are connected to the outer casing through eccentric wheels. The first connecting rod and the second connecting rod are respectively provided with a first connecting hole and a second connecting hole at both ends. The first connecting hole is movably connected to the rotating shaft. One end of the output shaft is connected to a pin. The two ends of the pin are movably connected to the second connecting holes of the first connecting rod and the second connecting rod, respectively. The first connecting rod and the second connecting rod are movably disposed on the second port.

2. The ultrasonic polishing pen for mold saving according to claim 1, characterized in that, The wind turbine includes a wind turbine body, and toothed wind-receiving parts are evenly distributed around the periphery of the wind turbine body.

3. The ultrasonic polishing pen for mold saving according to claim 2, characterized in that, It also includes an annular connector that matches the output shaft. The annular connector is sleeved on one end of the output shaft. One end of the annular connector is provided with a first slot, which divides one end of the annular connector into a first clamping piece and a second clamping piece. One end of the output shaft is provided with a second slot, which divides one end of the output shaft into a third clamping piece and a fourth clamping piece. A through hole communicating with the second slot is provided through the side wall of the output shaft. A countersunk hole communicating with the inner ring of the annular connector is provided on the side wall of the annular connector. An internal hexagon countersunk hole corresponding to the countersunk hole is provided on the side wall of the annular connector.

4. The ultrasonic polishing pen for mold saving according to claim 3, characterized in that, The bottom of the upper housing is symmetrically provided with an upper annular groove, and the top of the lower housing is symmetrically provided with a lower annular groove. The upper annular groove and the lower annular groove are joined together to form an annular groove that matches the eccentric wheel. The eccentric wheel is movably disposed on the annular groove.

5. The ultrasonic polishing pen for mold saving according to claim 4, characterized in that, An exhaust port corresponding to the wind turbine is provided through the upper housing.

6. The ultrasonic polishing pen for mold saving according to claim 5, characterized in that, The cover plate has limit notches on all four sides of its edge, and the side wall of the receiving cavity has a limiting part corresponding to the limit notch, which engages with the limit notch.

7. The ultrasonic polishing pen for mold saving according to claim 6, characterized in that, One end of the air intake seat is provided with an extension corresponding to the impeller, and one side of the extension is provided with an arc-shaped surface. The output end of the oblique air passage extends to the arc-shaped surface.