CN-224220254-U - Dental sand blasting machine

Abstract

The utility model relates to a dental sand blasting machine, which comprises an air supply device for supplying high-pressure air flow to the dental sand blasting machine, a sand blasting device for spraying dental sand powder to the tooth surface of a user, an air pressure adjusting device, a first air pressure monitoring unit and an air pressure adjusting unit, wherein the air pressure adjusting device comprises an air inlet pipe, an air outlet pipe, the first air pressure monitoring unit comprises a first air pressure sensor, the air pressure adjusting unit comprises a pressure regulating valve, one end of the air inlet pipe is connected with the air supply device, the other end of the air inlet pipe is connected with an air inlet end of the pressure regulating valve, one end of the air outlet pipe is connected with the sand blasting device, the other end of the air outlet pipe is connected with an air outlet end of the pressure regulating valve, the first air pressure sensor is arranged between the air inlet pipe and the air inlet end of the pressure regulating valve, and a control system respectively electrically connected with the first air pressure sensor and the pressure regulating valve. The dental sand blaster disclosed by the utility model has the advantages of automatic adjustment and reduced error and hysteresis of manual operation by arranging the first air pressure sensor to form open-loop adjustment.

Inventors

• WANG DUSHENG
• LI JINGMING

Assignees

• 佛山市宇森医疗器械有限公司

Dates

Publication Date

20260512

Application Date

20250515

Claims (10)

1. 1. A dental blasting machine, comprising: An air supply for providing a high pressure air flow to the dental sander; the sand blasting device is used for spraying the tooth sand powder on the tooth surface of the user; The air pressure adjusting device comprises an air inlet pipe, an air outlet pipe, a first air pressure monitoring unit and an air pressure adjusting unit, wherein one end of the air inlet pipe is connected with the air supply device, and the other end of the air inlet pipe is connected with the air inlet end of the air pressure adjusting unit; The first air pressure monitoring unit comprises a first air pressure sensor, and the first air pressure sensor is arranged between the air inlet pipe and the air inlet end of the air pressure adjusting unit and is used for detecting the input air pressure of the air flow input into the air inlet pipe; The air pressure regulating unit comprises a pressure regulating valve, wherein the air inlet pipe and the air outlet pipe are respectively connected with an air inlet end and an air outlet end of the pressure regulating valve, and a ventilation channel which is communicated with the air inlet end and the air outlet end of the pressure regulating valve is arranged in the pressure regulating valve; And the control system is electrically connected with the first air pressure sensor and the pressure regulating valve respectively.
2. 2. The dental sand blaster of claim 1, further comprising a second air pressure monitoring unit, wherein the second air pressure monitoring unit comprises a second air pressure sensor, and the second air pressure sensor is arranged between the air outlet pipe and the air outlet end of the air pressure adjusting unit and is electrically connected with the control system, and is used for detecting the output air pressure of the output air flow in the air outlet pipe and feeding back the output air pressure to the control system.
3. 3. The dental sander as set forth in claim 2, wherein said first air pressure monitor unit further comprises a first air tube adapter, and said second air pressure monitor unit further comprises a second air tube adapter; The air inlet pipe is connected with the air inlet end of the pressure regulating valve after passing through the first air pipe adapter; The air outlet pipe is connected with the air outlet end of the pressure regulating valve after passing through the second air pipe adapter, and the second air pressure sensor is connected to the second air pipe adapter in parallel.
4. 4. The dental blasting machine of claim 3, wherein the first air tube adapter and the second air tube adapter are Y-shaped connectors.
5. 5. The dental sander as set forth in claim 3, wherein said first air pressure monitor unit further comprises an alarm, said alarm being electrically connected to said control system.
6. 6. The dental sandblasting machine according to claim 5, wherein the alarm is a buzzer or an LED warning light.
7. 7. The dental sand blaster of claim 5, wherein the air pressure adjusting unit further comprises a screw rod and a motor, a valve core is further arranged in the pressure regulating valve, the valve core is positioned in the ventilation channel, one end of the screw rod is connected with an output end of the motor, the other end of the screw rod is connected with the valve core, and the motor is electrically connected with the control system.
8. 8. The dental sander as set forth in claim 7, wherein the motor is a servo motor.
9. 9. The dental blasting machine of claim 7, wherein the control system comprises a control panel for a user to input a set air pressure signal, and an information processing module electrically connected to the first air pressure sensor, the second air pressure sensor, the alarm, the motor, and the control panel, respectively.
10. 10. The dental sandblasting machine according to claim 9, wherein the information processing module is a single chip microcomputer, a PLC controller or an ARM chip.

Description

Dental sand blasting machine Technical Field The utility model relates to the technical field of tooth cleaning equipment, in particular to a dental sand blasting machine. Background With the improvement of the living standard of people, the problem of tooth health is more and more concerned, wherein the regular tooth cleaning is a way for effectively avoiding the tooth diseases. The common tooth cleaning equipment comprises an ultrasonic tooth cleaner and a dental sand blaster, wherein the ultrasonic tooth cleaner can quickly decompose dental plaque, dental calculus and other impurities through generating high-frequency vibration, and then the dental sand blaster is clean by combining water flow, and the dental sand blaster can remove the dental plaque, the pigment plaque and other impurities by spraying special sand powder to the tooth surface through a sand blast gun by utilizing high-pressure air flow, so that the dental plaque and the pigment plaque in a tooth gap which is not easy to reach by the ultrasonic tooth cleaner can be cleaned, and the cleaning efficiency for the tooth surface pigment is far higher than that of the ultrasonic tooth cleaner, so that the dental tooth cleaner is widely applied. However, it has been found that such a dental sander is inconvenient to operate when it is subjected to demands in different working environments during use, and it is difficult to precisely control the sanding amount. Disclosure of utility model Based on this, an object of the present utility model is to provide a dental sandblasting machine. A dental sand blasting machine comprises an air supply device, a sand blasting device, an air pressure adjusting device, a pressure regulating valve and a control system, wherein the air supply device is used for providing high-pressure air flow for the dental sand blasting machine, the sand blasting device is used for spraying dental sand powder to the tooth surface of a user, the air pressure adjusting device comprises an air inlet pipe, an air outlet pipe, a first air pressure monitoring unit and an air pressure adjusting unit, one end of the air inlet pipe is connected with the air supply device, the other end of the air outlet pipe is connected with the air inlet end of the air pressure adjusting unit, one end of the air outlet pipe is connected with the air outlet end of the air pressure adjusting unit, the other end of the air outlet pipe is connected with the sand blasting device, the first air pressure monitoring unit comprises a first air pressure sensor, the first air pressure sensor is arranged between the air inlet pipe and the air inlet end of the air pressure adjusting unit and used for detecting the input air pressure of the air inlet pipe, the air pressure adjusting unit comprises a pressure regulating valve, the air inlet pipe and the air outlet pipe are respectively connected with the air inlet end and the air outlet end of the pressure regulating valve, a ventilation channel which is communicated with the air inlet end of the air regulating valve is arranged in the pressure regulating valve, the pressure regulating valve is used for increasing or reducing the air pressure of the output air flow flowing into the air outlet pipe, and the control system is respectively connected with the first air pressure sensor and the air pressure sensor. According to the dental sand blasting machine, the first air pressure sensor is used for measuring the input air pressure and feeding back the input air pressure to the control system to form switch adjustment, the control system is used for controlling the air pressure adjusting unit to increase or decrease the input air pressure according to a preset program to enable the output air pressure to be equal to the set air pressure, the accuracy of air pressure control is guaranteed, the error of manual operation is reduced, meanwhile, when the working requirement is changed, the set air pressure is only required to be changed through the control system, and the dental sand blasting machine automatically completes adjustment according to the new set air pressure, so that the hysteresis of manual adjustment is avoided. The dental sand blasting machine further comprises a second air pressure monitoring unit, wherein the second air pressure monitoring unit comprises a second air pressure sensor, and the second air pressure sensor is arranged between the air outlet pipe and the air outlet end of the air pressure adjusting unit and is electrically connected with the control system, and is used for detecting the output air pressure of the output air flow in the air outlet pipe and feeding back the output air pressure to the control system. Through the technical scheme, closed-loop control is formed among the second air pressure monitoring unit, the first air pressure monitoring unit and the air pressure adjusting unit, so that control errors are reduced, and control accuracy is improved. The first air pressure monitoring