A tubular ultrasonic tool head

Abstract

A tubular ultrasonic tool head includes a tubular body with a hollow cavity in the middle, a tail port at the rear, and a head port at the head. The tail port is sealed. A cooling channel for cooling the tubular body is provided near the head port. The cooling channel includes an air inlet and an air outlet communicating with the hollow cavity in the middle of the tubular body. This invention changes the traditional structure of ultrasonic tool heads, simplifies manufacturing, reduces material usage by more than 50%, is unaffected by high-temperature environments, and can be adapted to various applications.

Description

Technical Field

[0001] This utility model relates to the field of ultrasound, specifically a tool head. Background Technology

[0002] Currently, high-power ultrasonic tool heads are typically made of solid rod material (such as...). Figure 1-3 The ultrasonic tool head is machined into the required shape on a lathe, usually a nine-section whip or a symmetrical dumbbell shape, etc. This type of tool head requires a transducer with a larger amplitude ratio to achieve a greater cavitation effect. The ultrasonic transducer requires more electrical power, which consumes a lot of energy and is complicated to manufacture. This type of ultrasonic tool head has the following obvious disadvantages: First, in order to achieve better cavitation effect, it needs to be processed into a nine-section whip or gourd shape. The processing of this ultrasonic tool head is complicated, and 25-40% of the required material is turned off by the lathe, resulting in a lot of metal waste and wasting a lot of metal resources.

[0003] Second, most ultrasonic tool heads used in the market are made of titanium alloy and 316 or 304 stainless steel. When working under high temperature conditions, the heat will be conducted to the ultrasonic transducer. Piezoelectric transducers also generate heat during operation, which generally cannot exceed 70 degrees Celsius. If they work in high-temperature environments for a long time, the transducer will degrade severely, and its efficiency and lifespan will be greatly reduced. Some transducers have their own heat dissipation devices, but the effect cannot be fully met due to the requirements of the manufacturing process, which leads to frequent damage or replacement of the transducer. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned shortcomings of the prior art and provide a tubular ultrasonic tool head that changes the traditional ultrasonic tool head structure, makes processing simpler, reduces material consumption by more than 50%, is not affected by high-temperature environments, and can be adapted to various occasions.

[0005] The technical solution of this utility model is: a tubular ultrasonic tool head, including a tubular body, a cavity in the middle of the tubular body, a tail port at the tail end of the tubular body, and a head port at the head end of the tubular body. The tail port of the tubular body is sealed, and a cooling channel for cooling the tubular body is provided on the tubular body near the head port. The cooling channel includes an air inlet and an air outlet that communicate with the cavity in the middle of the tubular body.

[0006] When in use, the head port is connected to the transducer or amplitude transformer. When the tubular ultrasonic tool head is operating in a high-temperature environment, cold air is introduced into the air inlet, and the hot air in the cavity is discharged from the air outlet. When the tubular ultrasonic tool head is used in a normal temperature environment, cold air does not need to be injected into the air inlet.

[0007] The tail port of the tubular body is sealed with a plug; the plug can be detachably connected or fixedly connected to the tail port of the tubular body.

[0008] The inner wall of the tail port of the tubular body is provided with a threaded part, and the rear part of the plug has a screw part that is installed in conjunction with the threaded part.

[0009] The tubular body is a round tube; the tubular body is made of carbon steel, stainless steel, titanium alloy or aluminum alloy.

[0010] The outer wall of the tubular body is provided with a retaining ring; the air inlet and air outlet are arranged radially along the tubular body, and the air inlet and air outlet are located at the upper end of the retaining ring.

[0011] An O-ring is installed in the O-ring groove on the end face of the tail port of the tubular body, and the plug is sealed to the end face of the tail port of the tubular body through the O-ring.

[0012] The inner wall of the tubular body below the air inlet / outlet is fitted with baffles, which can be installed at any position on the circular tube.

[0013] The inner wall of the tubular body near the tail port is fitted with baffles, which together with the plug form a two-stage sealing structure at the tail port.

[0014] A tubular ultrasonic tool head includes a tubular body with a cavity in the middle, an unsealed tail port at the tail end of the tubular body, a head port at the head end of the tubular body, and a cooling channel for cooling the tubular body near the head port. The cooling channel includes an air inlet and an air outlet communicating with the cavity in the middle of the tubular body.

[0015] The current widespread use of conventional ultrasonic tool heads (specifically, solid metal rods, including round, nine-section whip, dumbbell, etc.) restricts the application and development of high-power ultrasonic transducers. Based on the inventor's long-term research and application of high-power ultrasonic technology, through extensive field application, repeated research, and numerous experiments, this highly efficient, simple tool head, unaffected by high-temperature environments, has finally been developed. This invention provides a cylindrical ultrasonic tool head that changes the traditional ultrasonic tool head structure, simplifying manufacturing, reducing material usage by more than 50%, and adapting to various applications, especially functioning normally under high-temperature conditions.

[0016] This utility model has a simple structure and is easy to process, making it suitable for various production processes. The temperature of the liquid medium to be processed varies from 40 to 200 degrees Celsius depending on the production process. Production processes refer to different application areas, including scale prevention and removal, extraction, emulsification, mixing, separation, etc., and can be categorized into industries such as power generation, pharmaceuticals, petroleum, chemicals, water treatment, sludge treatment, etc. (I) In normal temperature liquid media (40-60 degrees Celsius), it can be used directly. In high temperature liquid media (60-200 degrees Celsius), cold air can be injected into the circular tube to dissipate the heat inside the tube, preventing the medium's temperature from being transmitted to the ultrasonic transducer, thereby stabilizing the transducer's output efficiency and extending its service life. (II) Under the same amplitude ratio, the transducer's power consumption will be reduced by more than 20%, the transducer's own heat generation will also be reduced, and the service life of the transducer tool head will be greatly improved. The round tube can be made of carbon steel, stainless steel, titanium alloy, aluminum alloy, or other alloys. The required frequency can be freely adjusted by adjusting the wall thickness and length of the round tube. Processing only requires tapping threads at both ends of the round tube. (II) This utility model is equipped with a plug, which extends the service life of the tool head, is easy to replace, and reduces material costs. The plug effectively prevents liquid media from entering the interior of the round tube and avoids cavitation inside the round tube. Since the energy of the transducer is conducted through the tube wall, the energy loss is small. The entire circular surface of the round tube in this utility model is the ultrasonic emitting surface. Compared with existing tool heads, the ultrasonic emitting surface of the tool head in this utility model is increased, greatly improving the service life of the round tube. The energy of the transducer is concentrated and conducted to the plug of the round tube. When the plug is cavitated to the frequency limit, only the round tube plug needs to be replaced, and the round tube can continue to be used for more than one cycle, greatly saving replacement costs. The plug can be made of carbon steel, stainless steel, or titanium alloy, etc. The plug material can be the same as the round tube material or can be freely combined. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an existing gourd-shaped tool head; Figure 2 This is a schematic diagram of the structure of an existing dumbbell-shaped tool head; Figure 3 This is a schematic diagram of the connection between the existing transducer and the tool head; Figure 4 This is one of the structural schematic diagrams of this utility model; Figure 5 This is the second structural schematic diagram of the present invention.

[0018] In the diagram: 1. Round tube, 2. Plug, 3. O-ring, 4. Partition plate, 5. Air inlet, 6. Air outlet, 7. Snap ring. Detailed Implementation

[0019] Figure 4In this utility model, the components include: a round tube 1, a plug 2, an O-ring 3, a partition plate 4, an air inlet 5, an air outlet 6, and a retaining ring 7.

[0020] The circular tube 1 is mainly responsible for the energy output of the transducer, and the vibration wave of the circular tube is a longitudinal and radial motion. The O-ring 3 is used to seal the plug and the circular tube.

[0021] The plug 2 shields the liquid medium to be processed from the circular tube, preventing cavitation inside the tool head. The plug is welded or threaded to the end of the circular tube. An O-ring groove is provided at the connection surface between the circular tube and the plug. The other end of the circular tube is connected to the transducer's connector.

[0022] The baffle plate 4 serves as the second line of defense in sealing off liquid media. The baffle plate is made of the same material as the round pipe and is welded or threaded onto the inner wall of the pipe. The distance between the baffle plate and the end face of the plug is 1-2 mm. The thickness of the baffle plate is 2-3 mm.

[0023] The air inlet 5 is used to inject cold air to cool the round tube. The cold air is injected into the inner cavity of the round tube through the air inlet and discharged through the air outlet.

[0024] The air outlet 6 is used to exhaust hot air. Heat is conducted into the inner cavity of the circular tube by the liquid medium. The temperature of the liquid medium to be processed varies from 40 to 200 degrees Celsius.

[0025] The retaining ring 7 secures the tool head via a flange. The air inlet and outlet are located at the upper end of the retaining ring on the round tube.

[0026] When the transducer is used for scale prevention and removal, extraction, emulsification, mixing, and separation, the inlet and outlet ports are located above the liquid medium. When the transducer is used with high-temperature liquid media (60-200 degrees Celsius), cool air enters the inside of the circular tube to expel the heat inside the tube.

[0027] Figure 5 In the tube 1, the middle part is hollow, the tail end of the tube 1 has a tail port, and the head end of the tube 1 has a head port. A cooling channel for cooling the tube body is provided near the head port of the tube 1. The cooling channel includes an air inlet 5 and an air outlet 6 that communicate with the hollow part of the tube body. The tail port is not plugged, and the head port is connected to the transducer. A retaining ring 7 is provided on the outer wall of the tube 1.

[0028] The transducer is used in high-temperature liquid media (60-200 degrees Celsius). Cold air enters the inside of the circular tube through the air inlet 5, dissipating the heat inside the circular tube. The heat is then discharged through the air outlet 6.

Claims

1. A pipe-type ultrasonic tool head, characterized by: It includes a tubular body, the middle of which is a cavity, the tail end of which has a tail port, and the head end of which has a head port. The tail port of the tubular body is sealed. A cooling channel for cooling the tubular body is provided on the tubular body near the head port. The cooling channel includes an air inlet (5) and an air outlet (6) that communicate with the cavity in the middle of the tubular body.

2. The pipe ultrasonic tool head of claim 1, wherein: When in use, the head port is connected to the transducer or amplitude transformer. When the tubular ultrasonic tool head is working in a high-temperature environment, cold air is connected to the air inlet (5), and the hot air in the cavity is discharged from the air outlet (6). When the tubular ultrasonic tool head is used in a normal temperature environment, cold air does not need to be injected into the air inlet (5).

3. The pipe ultrasonic tool head of claim 2, wherein: The tail port of the tubular body is sealed by a plug (2); the plug (2) is detachably or fixedly connected to the tail port of the tubular body.

4. The pipe ultrasonic tool head of claim 2, wherein: The inner wall of the tail port of the tubular body is provided with a threaded part, and the plug (2) has a screw part that is installed in conjunction with the threaded part at the rear.

5. The pipe ultrasonic tool head of claim 1, wherein: The tubular body is a round tube (1); the tubular body is made of carbon steel, stainless steel, titanium alloy or aluminum alloy.

6. The pipe ultrasonic tool head of claim 1, wherein: The outer wall of the tubular body is provided with a retaining ring (7); the air inlet (5) and air outlet (6) are arranged radially along the tubular body, and the air inlet (5) and air outlet (6) are located at the upper end of the retaining ring (7).

7. The pipe ultrasonic tool head of claim 1, wherein: An O-ring (3) is installed in the O-ring groove on the end face of the tail port of the tubular body, and the plug (2) is sealed to the end face of the tail port of the tubular body through the O-ring (3).

8. The pipe ultrasonic tool head of claim 1, wherein: The inner wall of the tubular body below the air inlet / outlet is fitted with baffles (4).

9. The pipe ultrasonic tool head of claim 8, wherein: The inner wall of the tubular body near the tail port is fitted with a baffle plate (4), which together with the plug (2) forms a two-stage sealing structure for the tail port.

10. A pipe-type ultrasonic tool head characterized by: It includes a tubular body, the middle of which is a cavity, the tail end of which has an unsealed tail port, the head end of which has a head port, and a cooling channel for cooling the tubular body is provided on the tubular body near the head port. The cooling channel includes an air inlet (5) and an air outlet (6) that communicate with the cavity in the middle of the tubular body.

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