A 3D printer sample cleaning device and a cleaning method thereof

Abstract

The present invention relates to the field of cleaning technology, and discloses a 3D printer sample cleaning device and a cleaning method thereof. The cleaning device of the present invention cleans a 3D printer sample through three stages of pretreatment, deep cleaning and drying. The pretreatment component uses compressed air to remove large particle pollutants on the surface of the 3D printer sample, and then the cleaning component uses cleaning liquid to peel off fine pollutants on the surface of the 3D printer sample. An ultrasonic cleaning machine generates impact force through high-frequency vibration to shake off fine pollutants on the surface of the 3D printer sample. By combining the advantages of chemical cleaning and physical cleaning, the device can quickly and comprehensively remove stains on the surface of the printing component, improve the cleaning effect, and monitor the water quality parameters of the cleaning liquid in real time. The cleaning liquid is replaced in time according to the monitoring results, so as to maximize the use of the cleaning liquid and reduce the cleaning cost.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning, and in particular to a 3D printer sample cleaning device and a cleaning method thereof. Background Art

[0002] With the rapid development of 3D printing technology, its application in manufacturing, medical treatment, education and other fields is becoming more and more extensive. However, during the 3D printing process, due to problems such as material residue, support structure residue and large particles of dust, the printed samples often need to be cleaned to achieve the expected effect.

[0003] Most of the existing cleaning devices have the following problems: 1. Most of them are manually operated, which is not only inefficient but also difficult to ensure the consistency and quality of cleaning; 2. It is impossible to monitor the cleaning liquid in real time. If the cleaning liquid cannot be replaced in time, the cleaning effect will not meet the expectations. If the cleaning liquid is replaced too frequently, it will not only affect the cleaning efficiency but also cause waste of resources. Therefore, this application proposes a 3D printer sample cleaning device and a cleaning method thereof. Summary of the invention

[0004] The purpose of the present invention is to provide a 3D printer sample cleaning device and a cleaning method thereof to solve the above technical problems.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A 3D printer sample cleaning device, comprising a pretreatment component, a cleaning component, a drying component and a monitoring component, wherein the pretreatment component is used to remove large particle contaminants on the surface of a 3D printer sample;

[0007] The cleaning component is used to soak and clean the 3D printer sample with a cleaning liquid, and the contaminants are removed by contacting the cleaning liquid with the surface of the 3D printer sample;

[0008] The drying component is used to remove moisture from the surface of the 3D printer sample;

[0009] The monitoring component is used to monitor the physical parameters of the cleaning liquid during the cleaning process through sensors, and to replace the cleaning liquid in time according to the physical parameters.

[0010] As a further description of the solution of the present invention, the pre-treatment assembly includes a support structure, a drive structure is provided on the support structure, and a pre-treatment structure is provided above the drive structure;

[0011] The cleaning component comprises a cleaning tank, a plurality of water quality monitoring sensors are arranged at the water outlet at the top of the cleaning tank, and a plurality of ultrasonic generators are arranged on the inner wall of the cleaning tank.

[0012] As a further description of the scheme of the present invention, the support structure includes a support plate, the bottom of the support plate is provided with four support legs distributed in an array, a motor mounting plate is provided below the support plate, the four corners of the motor mounting plate are respectively fixedly connected to the four support legs, and a first end face gear is provided in the middle of the top of the support plate.

[0013] As a further description of the scheme of the present invention, the driving structure includes a driving motor, which is fixed on the top of the motor mounting plate. The output shaft of the driving motor is fixedly connected to a driving column, which passes through the support plate and the first end face gear in sequence, and the driving column is rotatably connected to the support plate and the first end face gear, and a mounting frame is provided on the top of the driving column.

[0014] As a further description of the scheme of the present invention, the mounting frame includes a mounting frame body, the bottom of the mounting frame body is fixedly connected to the driving column, a first mounting groove and a second mounting groove are opened in the mounting frame body, the second mounting groove is arranged above the first mounting groove, and a positioning groove is provided on the top of the mounting frame body.

[0015] As a further description of the scheme of the present invention, the pretreatment structure includes a second end face gear, which is meshed with the first end face gear. A rotating rod is provided on one side of the second end face gear, which passes through one of the side walls of the first mounting groove and is rotatably connected to the two side walls of the first mounting groove. A central gear is provided on the rotating rod, and a rotating ring is provided above the central gear, which is movably connected to the second mounting groove. An outer ring gear is provided on the outer wall of the rotating ring, which is meshed with the central gear, and two symmetrically distributed air spray guns are installed on the inner wall of the rotating ring.

[0016] A cleaning method for a 3D printer sample cleaning device, characterized in that the method comprises the following steps:

[0017] Step S1, place the 3D printed sample on the positioning groove and start the drive motor;

[0018] Step S2, the driving motor drives the 3D printed sample and the pre-processing structure to rotate in a horizontal direction through the driving structure;

[0019] Step S3, the pretreatment structure drives the rotating ring to rotate by rotating the first end face gear, thereby driving the two air spray guns to rotate in the vertical direction;

[0020] Step S4, start the air spray gun to use compressed air to remove large particle contaminants on the surface of the 3D printed sample;

[0021] Step S5, placing the pre-treated 3D printed sample into a cleaning tank, and performing deep cleaning on the 3D printed sample using a cleaning liquid combined with ultrasonic vibration;

[0022] Step S6: During the cleaning process, the water quality parameters of the cleaning liquid are monitored in real time by a water quality monitoring sensor, and an early warning is issued in real time according to the water quality parameters;

[0023] Step S7: Place the 3D printed sample that has completed deep cleaning on the positioning groove, start the air spray gun again, and air-dry the 3D printed sample with dry air.

[0024] As a further description of the solution of the present invention, the specific process of step S6 includes:

[0025] Real-time monitoring of the concentration of various cleaning agents and impurities in the cleaning solution;

[0026] The concentrations of various cleaning agents and various impurities are compared with the set standard thresholds respectively. If any cleaning agent concentration is lower than the set standard threshold or any impurity concentration is higher than the set standard threshold, it means that the cleaning solution does not meet the cleaning requirements, and an early warning is issued immediately, and a new cleaning solution is replaced for cleaning;

[0027] If there is no cleaning agent concentration lower than the set standard threshold and there is no impurity concentration higher than the set standard threshold, the overall state of the cleaning liquid is judged.

[0028] As a further description of the solution of the present invention, the specific process of judging the overall state of the cleaning fluid includes:

[0029] By formula Calculate the impurity state coefficient A of the cleaning fluid by the formula

[0030] Calculate the cleaning fluid cleaning agent state coefficient B;

[0031] Where n is the number of impurity items monitored, m is the number of cleaning agent items monitored, i belongs to n, j belongs to m, is the real-time concentration of the i-th impurity, Set a standard threshold for the i-th impurity, is the reference value of the impurity concentration range of the ith item, is the weight coefficient corresponding to the i-th impurity concentration; is the real-time concentration of the j-th cleaning agent, Set the standard threshold for the jth cleaning agent, is the reference value of the j-th cleaning agent concentration range, is the weight coefficient corresponding to the j-th cleaning agent concentration;

[0032] Construct a mathematical calculation model for the overall state coefficient of the cleaning fluid, and the expression is: ;

[0033] in, and are the weight coefficients corresponding to the cleaning liquid impurity state coefficient and the cleaning liquid detergent state coefficient, is the overall state coefficient of the cleaning fluid;

[0034] The overall state coefficient of the cleaning fluid The overall state coefficient of the cleaning fluid is set Threshold comparison, if the overall state coefficient of the cleaning fluid Greater than or equal to the set cleaning fluid overall state coefficient If the cleaning fluid exceeds the threshold, it means that the overall state of the cleaning fluid is unqualified, and an early warning is issued immediately, and a new cleaning fluid is replaced for cleaning;

[0035] If the overall state coefficient of the cleaning fluid Less than the set cleaning fluid overall state coefficient threshold, it means that the overall state of the cleaning fluid is qualified.

[0036] Beneficial effects of the present invention: The cleaning device of the present invention cleans the 3D printer sample through three stages of pretreatment-deep cleaning-drying. The pretreatment component uses compressed air to remove large particle pollutants on the surface of the 3D printer sample, and then the cleaning component uses cleaning liquid to peel off fine pollutants on the surface of the 3D printer sample. The ultrasonic cleaning machine uses the impact force generated by high-frequency vibration to shake off the fine pollutants on the surface of the 3D printer sample. Combining the advantages of chemical cleaning and physical cleaning, it can quickly and comprehensively remove stains on the surface of the printing component and improve the cleaning effect. At the same time, the water quality parameters of the cleaning liquid are monitored in real time, and the cleaning liquid is replaced in time according to the monitoring results, so as to maximize the use of the cleaning liquid and reduce the cleaning cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] Figure 1 It is a partial flow chart of the 3D printer sample cleaning method provided by the present invention;

[0039] Figure 2 It is an overall schematic diagram of the 3D printer sample cleaning device provided by the present invention;

[0040] Figure 3 It is a schematic diagram of the structure of the pre-processing component of the 3D printer sample cleaning device provided by the present invention;

[0041] Figure 4 It is a schematic diagram of the support structure of the pretreatment component of the 3D printer sample cleaning device provided by the present invention;

[0042] Figure 5It is a schematic diagram of the driving structure of the pre-processing component of the 3D printer sample cleaning device provided by the present invention;

[0043] Figure 6 It is a schematic diagram of the structure of the mounting frame of the pre-processing component of the 3D printer sample cleaning device provided by the present invention;

[0044] Figure 7 It is a schematic diagram of the pretreatment structure of the pretreatment component of the 3D printer sample cleaning device provided by the present invention;

[0045] Figure 8 It is a schematic diagram of the structure of a cleaning component of a 3D printer sample cleaning device provided by the present invention.

[0046] In the figure, 1. supporting structure; 2. driving structure; 3. pretreatment structure; 4. cleaning tank; 5. water quality monitoring sensor; 6. ultrasonic generator; 11. supporting plate; 12. supporting leg; 13. motor mounting plate; 14. first end face gear; 21. driving motor; 22. driving column; 23. mounting frame; 31. second end face gear; 32. rotating rod; 33. center gear; 34. rotating ring; 35. outer ring gear; 36. air spray gun; 231. mounting frame body; 232. first mounting slot; 233. second mounting slot; 234. positioning slot. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0048] See also Figure 1-Figure 8 As shown, a 3D printer sample cleaning device includes a pretreatment component, a cleaning component, a drying component and a monitoring component, wherein the pretreatment component is used to remove large particle contaminants on the surface of the 3D printer sample;

[0049] The cleaning component is used to soak and clean the 3D printer sample with a cleaning liquid, and the contaminants are removed by contacting the cleaning liquid with the surface of the 3D printer sample;

[0050] The drying component is used to remove moisture from the surface of the 3D printer sample;

[0051] The monitoring component is used to monitor the physical parameters of the cleaning liquid during the cleaning process through sensors, and to replace the cleaning liquid in time according to the physical parameters.

[0052] Through the above technical scheme, the cleaning device of the present invention cleans the 3D printer sample through three stages of pretreatment-deep cleaning-drying. The pretreatment component uses compressed air to remove large particle pollutants on the surface of the 3D printer sample, and then the cleaning component uses cleaning liquid to peel off fine pollutants on the surface of the 3D printer sample. The ultrasonic cleaning machine uses the impact force generated by high-frequency vibration to shake off the fine pollutants on the surface of the 3D printer sample. Combining the advantages of chemical cleaning and physical cleaning, it can quickly and comprehensively remove stains on the surface of the printing component and improve the cleaning effect. At the same time, the water quality parameters of the cleaning liquid are monitored in real time, and the cleaning liquid is replaced in time according to the monitoring results, so as to maximize the use of the cleaning liquid and reduce the cleaning cost.

[0053] The pretreatment assembly comprises a support structure 1, a driving structure 2 is arranged on the support structure 1, and a pretreatment structure 3 is arranged above the driving structure;

[0054] The cleaning component comprises a cleaning tank 4 , a plurality of water quality monitoring sensors 5 are arranged at the top water outlet of the cleaning tank 4 , and a plurality of ultrasonic generators 6 are arranged on the inner wall of the cleaning tank 4 .

[0055] The support structure 1 includes a support plate 11, and four support legs 12 distributed in an array are provided at the bottom of the support plate 11. A motor mounting plate 13 is provided below the support plate 11, and the four corners of the motor mounting plate 13 are respectively fixedly connected to the four support legs 12. A first end face gear 14 is provided in the middle of the top of the support plate 11.

[0056] The driving structure 2 includes a driving motor 21, which is fixed on the top of the motor mounting plate 13. The output shaft of the driving motor 21 is fixedly connected with a driving column 22. The driving column 22 passes through the support plate 11 and the first end face gear 14 in sequence, and the driving column 22 is rotatably connected to the support plate 11 and the first end face gear 14. A mounting frame 23 is provided on the top of the driving column 22.

[0057] The mounting frame 23 includes a mounting frame body 231, the bottom of which is fixedly connected to the driving column 22, a first mounting groove 232 and a second mounting groove 233 are provided in the mounting frame body 231, the second mounting groove 233 is arranged above the first mounting groove 232, and a positioning groove 234 is provided on the top of the mounting frame body 231.

[0058] The pretreatment structure 3 includes a second end face gear 31, which is meshed with the first end face gear 14. A rotating rod 32 is provided on one side of the second end face gear 31. The rotating rod 32 passes through one of the side walls of the first mounting groove 232 and is rotatably connected to the two side walls of the first mounting groove 232. A central gear 33 is provided on the rotating rod 32. A rotating ring 34 is provided above the central gear 33. The rotating ring 34 is movably connected to the second mounting groove 233. An outer ring gear 35 is provided on the outer wall of the rotating ring 34. The outer ring gear 35 is meshed with the central gear 33. Two symmetrically distributed air spray guns 36 are installed on the inner wall of the rotating ring 34.

[0059] Through the above technical scheme, in this embodiment, the driving motor 21 drives the driving column 22 to rotate, and the driving column 22 drives the mounting frame body 231 to rotate, and the mounting frame body 231 drives the 3D printed sample located on the top of the mounting frame body 231 to rotate horizontally. During the rotation of the mounting frame body 231, the second end face gear 31 rotates under the action of the first end face gear 14, and the second end face gear 31 rotates to drive the center gear 33 to rotate, and the center gear 33 rotates to drive the outer ring gear 35 to rotate, and the outer ring gear 35 rotates to drive the rotating ring 34 to rotate from top to bottom, so that the air spray gun 36 performs deep pretreatment and deep drying on the surface of the 3D printed sample.

[0060] A cleaning method for a 3D printer sample cleaning device, characterized in that the method comprises the following steps:

[0061] Step S1, placing the 3D printed sample on the positioning groove 234, and starting the driving motor 21;

[0062] Step S2, the driving motor 21 drives the 3D printed sample and the pre-processing structure 3 to rotate in the horizontal direction through the driving structure 2;

[0063] Step S3, the pre-treatment structure 3 drives the rotating ring 34 to rotate through the first end face gear 14, thereby driving the two air spray guns 36 to rotate in the vertical direction;

[0064] Step S4, start the air spray gun 36 to use compressed air to remove large particle contaminants on the surface of the 3D printed sample;

[0065] Step S5, placing the pre-treated 3D printed sample into the cleaning tank 4, and performing deep cleaning on the 3D printed sample using a cleaning liquid combined with ultrasonic vibration;

[0066] Step S6: During the cleaning process, the water quality parameters of the cleaning liquid are monitored in real time by the water quality monitoring sensor 5, and an early warning is issued in real time according to the water quality parameters;

[0067] Step S7, place the 3D printed sample that has completed deep cleaning on the positioning groove 234, start the air spray gun 36 again, and air-dry the 3D printed sample with dry air.

[0068] The specific process of step S6 includes:

[0069] Real-time monitoring of the concentration of various cleaning agents and impurities in the cleaning solution;

[0070] The concentrations of various cleaning agents and various impurities are compared with the set standard thresholds respectively. If any cleaning agent concentration is lower than the set standard threshold or any impurity concentration is higher than the set standard threshold, it means that the cleaning solution does not meet the cleaning requirements, and an early warning is issued immediately, and a new cleaning solution is replaced for cleaning;

[0071] If there is no cleaning agent concentration lower than the set standard threshold and there is no impurity concentration higher than the set standard threshold, the overall state of the cleaning liquid is judged.

[0072] The specific process of judging the overall state of the cleaning fluid includes:

[0073] By formula Calculate the impurity state coefficient A of the cleaning fluid by the formula

[0074] Calculate the cleaning fluid cleaning agent state coefficient B;

[0075] Where n is the number of impurity items monitored, m is the number of cleaning agent items monitored, i belongs to n, j belongs to m, is the real-time concentration of the i-th impurity, Set a standard threshold for the i-th impurity, is the reference value of the impurity concentration range of the ith item, is the weight coefficient corresponding to the i-th impurity concentration; is the real-time concentration of the j-th cleaning agent, Set the standard threshold for the jth cleaning agent, is the reference value of the j-th cleaning agent concentration range, is the weight coefficient corresponding to the j-th cleaning agent concentration;

[0076] Construct a mathematical calculation model for the overall state coefficient of the cleaning fluid, and the expression is: ;

[0077] in, and are the weight coefficients corresponding to the cleaning liquid impurity state coefficient and the cleaning liquid detergent state coefficient, is the overall state coefficient of the cleaning fluid;

[0078] The overall state coefficient of the cleaning fluid The overall state coefficient of the cleaning fluid is set Threshold comparison, if the overall state coefficient of the cleaning fluid Greater than or equal to the set cleaning fluid overall state coefficient If the cleaning fluid exceeds the threshold, it means that the overall state of the cleaning fluid is unqualified, and an early warning is issued immediately, and a new cleaning fluid is replaced for cleaning;

[0079] If the overall state coefficient of the cleaning fluid Less than the set cleaning fluid overall state coefficient threshold, it means that the overall state of the cleaning fluid is qualified.

[0080] Through the above technical solution, the present embodiment monitors the water quality parameters of the cleaning liquid in real time through the water quality monitoring sensor 5, wherein the parameters include the cleaning agent concentration parameter and the impurity concentration parameter, and then compares each cleaning agent concentration and each impurity concentration with the set standard threshold value respectively. If any cleaning agent concentration is lower than the set standard threshold value or any impurity concentration is higher than the set standard threshold value, it means that the cleaning liquid does not meet the cleaning requirements, an early warning is immediately issued, and a new cleaning liquid is replaced for cleaning; if no cleaning agent concentration is lower than the set standard threshold value and no impurity concentration is higher than the set standard threshold value, then the cleaning liquid is respectively replaced by the formula Calculate the impurity state coefficient A of the cleaning fluid by the formula The cleaning agent state coefficient B of the cleaning liquid is calculated, and the deviation of the cleaning agent concentration parameter and the impurity concentration parameter can be judged by combining the correlation of the data to determine the impurity state and cleaning agent state of the cleaning liquid. Finally, the formula Calculate the overall state coefficient of the cleaning fluid and convert it into The overall state coefficient of the cleaning fluid is set Threshold comparison, if the overall state coefficient of the cleaning fluid Greater than or equal to the set cleaning fluid overall state coefficient threshold, it means that the overall state of the cleaning fluid is unqualified, an early warning is issued immediately, and a new cleaning fluid is replaced for cleaning; if the overall state coefficient of the cleaning fluid is Less than the set cleaning fluid overall state coefficient threshold, it means that the overall state of the cleaning fluid is qualified.

[0081] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A 3D printer sample cleaning device, comprising a pretreatment component, a cleaning component, a drying component and a monitoring component, characterized in that: The pretreatment component is used to remove large particle contaminants on the surface of the 3D printer sample; The cleaning component is used to soak and clean the 3D printer sample with a cleaning liquid, and the contaminants are removed by contacting the cleaning liquid with the surface of the 3D printer sample; The drying component is used to remove moisture from the surface of the 3D printer sample; The monitoring component is used to monitor the physical parameters of the cleaning liquid during the cleaning process through sensors, and replace the cleaning liquid in time according to the physical parameters; The specific process of timely replacing the cleaning fluid according to the physical parameters includes: Real-time monitoring of the concentration of various cleaning agents and impurities in the cleaning solution; The concentrations of various cleaning agents and various impurities are compared with the set standard thresholds respectively. If any cleaning agent concentration is lower than the set standard threshold or any impurity concentration is higher than the set standard threshold, it means that the cleaning solution does not meet the cleaning requirements, and an early warning is issued immediately, and a new cleaning solution is replaced for cleaning; If there is no cleaning agent concentration lower than the set standard threshold and no impurity concentration higher than the set standard threshold, the overall state of the cleaning solution is judged; The specific process of judging the overall state of the cleaning fluid includes: By formula Calculate the impurity state coefficient A of the cleaning fluid by the formula Calculate the cleaning fluid cleaning agent state coefficient B; Where n is the number of impurity items monitored, m is the number of cleaning agent items monitored, i belongs to n, j belongs to m, is the real-time concentration of the i-th impurity, Set a standard threshold for the i-th impurity, is the reference value of the impurity concentration range of the ith item, is the weight coefficient corresponding to the i-th impurity concentration; is the real-time concentration of the j-th cleaning agent, Set the standard threshold for the jth cleaning agent, is the reference value of the j-th cleaning agent concentration range, is the weight coefficient corresponding to the j-th cleaning agent concentration; Construct a mathematical calculation model for the overall state coefficient of the cleaning fluid, and the expression is: ; in, and are the weight coefficients corresponding to the cleaning liquid impurity state coefficient and the cleaning liquid detergent state coefficient, is the overall state coefficient of the cleaning fluid; The overall state coefficient of the cleaning fluid The overall state coefficient of the cleaning fluid is set Threshold comparison, if the overall state coefficient of the cleaning fluid Greater than or equal to the set cleaning fluid overall state coefficient If the cleaning fluid exceeds the threshold, it means that the overall state of the cleaning fluid is unqualified, and an early warning is issued immediately, and a new cleaning fluid is replaced for cleaning; If the overall state coefficient of the cleaning fluid Less than the set cleaning fluid overall state coefficient threshold, it means that the overall state of the cleaning fluid is qualified.

2. A 3D printer sample cleaning device according to claim 1, characterized in that: The pretreatment component comprises a support structure (1), a driving structure (2) is provided on the support structure (1), and a pretreatment structure (3) is provided above the driving structure; The cleaning component comprises a cleaning tank (4), a plurality of water quality monitoring sensors (5) are provided at a water outlet at the top of the cleaning tank (4), and a plurality of ultrasonic generators (6) are provided on the inner wall of the cleaning tank (4).

3. A 3D printer sample cleaning device according to claim 2, characterized in that: The support structure (1) comprises a support plate (11), the bottom of the support plate (11) is provided with four support legs (12) distributed in an array, a motor mounting plate (13) is provided below the support plate (11), four corners of the motor mounting plate (13) are respectively fixedly connected to the four support legs (12), and a first end face gear (14) is provided in the middle of the top of the support plate (11).

4. A 3D printer sample cleaning device according to claim 3, characterized in that: The driving structure (2) comprises a driving motor (21), the driving motor (21) being fixed on the top of a motor mounting plate (13), the output shaft of the driving motor (21) being fixedly connected to a driving column (22), the driving column (22) sequentially passing through the supporting plate (11) and the first end face gear (14), and the driving column (22) being rotationally connected to the supporting plate (11) and the first end face gear (14), and a mounting frame (23) being provided on the top of the driving column (22).

5. A 3D printer sample cleaning device according to claim 4, characterized in that: The mounting frame (23) comprises a mounting frame body (231), the bottom of the mounting frame body (231) is fixedly connected to the driving column (22), a first mounting groove (232) and a second mounting groove (233) are provided in the mounting frame body (231), the second mounting groove (233) is arranged above the first mounting groove (232), and a positioning groove (234) is provided at the top of the mounting frame body (231).

6. A 3D printer sample cleaning device according to claim 5, characterized in that: The pretreatment structure (3) comprises a second end face gear (31), the second end face gear (31) meshing with the first end face gear (14), a rotating rod (32) being provided on one side of the second end face gear (31), the rotating rod (32) penetrating one of the side walls of the first mounting groove (232) and the rotating rod (32) being rotatably connected to the two side walls of the first mounting groove (232), a central gear (33) being provided on the rotating rod (32), a rotating ring (34) being provided above the central gear (33), the rotating ring (34) being movably connected to the second mounting groove (233), an outer ring gear (35) being provided on the outer wall of the rotating ring (34), the outer ring gear (35) being meshing with the central gear (33), and two symmetrically distributed air spray guns (36) being installed on the inner wall of the rotating ring (34).

7. A cleaning method for a 3D printer sample cleaning device as claimed in claim 6, characterized in that: The method comprises the following steps: Step S1, placing the 3D printed sample on the positioning groove (234), and starting the driving motor (21); Step S2, the driving motor (21) operates through the driving structure (2) to drive the 3D printed sample and the pre-processing structure (3) to rotate in a horizontal direction; Step S3, the pretreatment structure (3) drives the rotating ring (34) to rotate through the first end face gear (14), thereby driving the two air spray guns (36) to rotate in a vertical direction; Step S4, starting the air spray gun (36) to use compressed air to remove large particle contaminants on the surface of the 3D printed sample; Step S5, placing the pre-treated 3D printed sample into a cleaning tank (4), and performing deep cleaning on the 3D printed sample using a cleaning liquid combined with ultrasonic vibration; Step S6: During the cleaning process, the water quality parameters of the cleaning liquid are monitored in real time by the water quality monitoring sensor (5), and an early warning is issued in real time according to the water quality parameters; Step S7: Place the 3D printed sample that has been deeply cleaned on the positioning groove (234), and start the air spray gun (36) again to air-dry the 3D printed sample with dry air.

Images