Self-circulating peristaltic pump for optical crystal cleanliness maintenance

Abstract

The application belongs to the technical field of peristaltic pumps, and specifically discloses a self-circulation peristaltic pump for optical crystal cleanliness maintenance, which comprises a mounting plate, a clamping piece is clamped on the mounting plate, mounting groove pipes are fixed on the front side and the rear side of the clamping piece, a first peristaltic pipe is fixed on the mounting groove pipe on the front side of the clamping piece, a second peristaltic pipe is fixed on the mounting groove pipe on the rear side of the clamping piece, a pushing structure is rotatably arranged on the front side and the rear side of the mounting plate, and the rotation direction of the pushing structure on the front side of the mounting plate is opposite to that of the pushing structure on the rear side of the mounting plate. When the peristaltic pump is actually used, the output shaft of the transmission motor can be rapidly reversed by an external controller, so that the first peristaltic pipe can drive the cleaning liquid to clean the optical crystal, the second peristaltic pipe can rapidly extract the cleaning liquid containing impurities, and the cleaning liquid containing impurities can be prevented from secondarily polluting the optical crystal.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of peristaltic pumps, and particularly discloses a self-circulation peristaltic pump for optical crystal cleanliness maintenance. BACKGROUND

[0002] When the optical crystal is cleaned, a clean cleaning system needs to be used, and the peristaltic pump is an important part of the clean cleaning system.

[0003] At present, the peristaltic pump applied to the cleaning of the optical crystal mainly comprises a transmission motor, a pushing assembly and a peristaltic tube. In actual use, the transmission motor extrudes the cleaning liquid in the peristaltic tube through the pushing assembly, so as to realize the self-circulation flow of the cleaning liquid in the peristaltic tube, and then the cleaning liquid moves in the clean cleaning system, thereby facilitating the cleaning of the optical crystal.

[0004] The peristaltic pump can effectively transport the cleaning liquid in actual use, but it still has some disadvantages in actual use, for example:

[0005] The pushing assembly of the peristaltic pump mainly comprises a transmission bracket and a roller. In actual use, the transmission motor drives the roller to extrude the peristaltic tube through the transmission bracket. The extrusion of the peristaltic tube by the roller can indeed drive the cleaning liquid to move in the peristaltic tube, but the pushing assembly is not provided with a better roller dismounting structure, which is not convenient for the staff to replace the peristaltic tube from the pushing assembly.

[0006] Meanwhile, the peristaltic pump is not provided with a better cleaning liquid backflow structure. After the peristaltic pump drives the cleaning liquid to clean the optical crystal, the clean cleaning system needs to be additionally provided with a cleaning liquid recovery pump, which not only increases the cost of cleaning liquid recovery, but also is not convenient for the recovery pump and the peristaltic pump to work cooperatively, thereby causing the clean cleaning system to be inconvenient for cleaning and maintaining the optical crystal. SUMMARY

[0007] Therefore, the application aims to provide a self-circulation peristaltic pump for optical crystal cleanliness maintenance to solve the above problems.

[0008] To achieve the above purpose, the application provides a self-circulation peristaltic pump for optical crystal cleanliness maintenance, which comprises a mounting plate, a clamping piece is clamped on the mounting plate, mounting groove pipes are fixed on the front side and the rear side of the clamping piece, a first peristaltic tube is fixed on the mounting groove pipe on the front side of the clamping piece, and a second peristaltic tube is fixed on the mounting groove pipe on the rear side of the clamping piece.

[0009] The front side and the rear side of the mounting plate are provided with pushing structures, the rotating direction of the pushing structure on the front side of the mounting plate is opposite to the rotating direction of the pushing structure on the rear side of the mounting plate, the pushing structure on the front side of the mounting plate is used for extruding the cleaning liquid in the first peristaltic tube, and the pushing structure on the rear side of the mounting plate is used for extruding the cleaning liquid in the second peristaltic tube.

[0010] In the technical scheme, further, the mounting groove pipe is fixed with a hoop ring, the hoop ring is sleeved on the first peristaltic tube and the second peristaltic tube, the first peristaltic tube and the second peristaltic tube are flexible pipes, and the two ends of the first peristaltic tube and the second peristaltic tube are fixed with external connectors.

[0011] In the technical scheme, further, the rear side of the mounting plate is provided with a transmission motor, an external connecting rod is fixed between the fixed end of the transmission motor and the mounting plate, and the external connecting rod is fixed on the mounting plate by bolts.

[0012] In the technical scheme, further, the pushing structure comprises a first rotating pipe and a second rotating pipe, the first rotating pipe rotates on the front side of the mounting plate, the second rotating pipe rotates on the rear side of the mounting plate, and the first rotating pipe and the second rotating pipe are both circular pipe structures.

[0013] In the technical scheme, further, the first rotating pipe and the second rotating pipe are both fixed with rotating frames, the rotating frames are provided with rotating wheels, and the rotating wheels are used for extruding the first peristaltic tube and the second peristaltic tube.

[0014] In the technical scheme, further, the inner wall of the first rotating pipe is provided with first pushing teeth at equal intervals along the axis of the first rotating pipe, the inner wall of the second rotating pipe is provided with second pushing teeth at equal intervals along the axis of the second rotating pipe, and the axes of the first rotating pipe and the second rotating pipe coincide.

[0015] In the technical scheme, further, the first pushing teeth and the second pushing teeth are both arc-shaped strip structures, the bending directions of the first pushing teeth and the second pushing teeth are opposite, and the inner cavities of the first rotating pipe and the second rotating pipe are communicated.

[0016] In the technical scheme, further, the inner cavities of the first rotating pipe and the second rotating pipe are inserted with a rotating rod, the upper end of the rotating rod is fixed with an upper sealing cover, the lower end of the rotating rod is fixed with a lower sealing cover, and the upper sealing cover and the lower sealing cover are used for sealing the inner cavities of the first rotating pipe and the second rotating pipe.

[0017] In the technical scheme, further, the upper part and the lower part of the rotating rod are both fixed with rotating wheels, the rotating wheels are fixed with push teeth at equal intervals, and the push teeth abut against the first pushing teeth and the second pushing teeth.

[0018] In the above technical solution, further, the first push tooth and the inner wall part of the first rotating pipe are fixed with a connecting spring, the second push tooth and the inner wall part of the second rotating pipe are also fixed with a connecting spring, and the connecting spring is used for supporting the first push tooth and the second push tooth.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] 1. In actual use, the pushing structure can extrude the first peristaltic tube to realize cleaning and maintenance of the optical crystal by the first peristaltic tube, and when the pushing structure extrudes the second peristaltic tube, the second peristaltic tube can transport the cleaned cleaning liquid, thereby realizing rapid and clean separation of the cleaned cleaning liquid and the optical crystal, and avoiding secondary pollution of the optical crystal by the cleaning liquid containing impurities.

[0021] 2. During maintenance, the staff can detach the clamping piece from the mounting plate to separate the first peristaltic tube and the second peristaltic tube from the push wheel, and then the staff can pull out the first peristaltic tube and the second peristaltic tube from the mounting groove pipe to replace the first peristaltic tube and the second peristaltic tube, thereby realizing convenient maintenance of the peristaltic pump.

[0022] 3. In actual use, the staff can control the output shaft of the transmission motor to rapidly reverse by an external controller, which can realize rapid extraction of the cleaning liquid containing impurities by the second peristaltic tube after the first peristaltic tube drives the cleaning liquid to clean the optical crystal, thereby avoiding secondary pollution of the optical crystal by the cleaning liquid containing impurities. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a structural schematic diagram of the present application;

[0024] Figure 2 The figure is a connection structure diagram of the push wheel and the second peristaltic tube in the present application;

[0025] Figure 3 The figure is a connection structure diagram of the push wheel and the first peristaltic tube in the present application;

[0026] Figure 4 The figure is a connection structure diagram of the push wheel and the rotating frame in the present application;

[0027] Figure 5 The figure is a connection structure diagram of the mounting groove pipe and the first peristaltic tube in the present application;

[0028] Figure 6 The figure is a connection structure diagram of the first rotating tube and the second rotating tube in the present application;

[0029] Figure 7 The figure is a distribution schematic diagram of the first push tooth and the second push tooth in the present application;

[0030] Figure 8 For Figure 7 Enlarged view of A.

[0031] 1, drive motor; 2, clamping piece; 21, mounting plate; 22, mounting groove pipe; 23, rotating frame; 24, first peristaltic tube; 25, hoop; 26, external connector; 27, push wheel; 28, lower cover; 29, external connecting rod; 210, second peristaltic tube; 3, upper cover; 4, first rotating tube; 41, second rotating tube; 42, rotating rod; 43, first push gear; 44, second push gear; 45, rotating wheel; 46, connecting spring; 47, push gear. DETAILED DESCRIPTION

[0032] In order to enable the above-mentioned objects, features and advantages of the present application to be more clearly understood and to be put into practical use, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other different manners than those described herein, therefore, the present application is not limited to the specific embodiments disclosed below.

[0034] Example one: please refer to Figures 1-8 As shown in the figure, the present application provides a technical solution:

[0035] The present application is a kind of self-circulation peristaltic pump for optical crystal cleanliness maintenance, including mounting plate 21, clamping piece 2 is clamped on mounting plate 21, mounting groove pipe 22 is fixed on the front side and the back side of clamping piece 2, first peristaltic tube 24 is fixed on the mounting groove pipe 22 of the front side of clamping piece 2, second peristaltic tube 210 is fixed on the mounting groove pipe 22 of the back side of clamping piece 2;

[0036] The front side and the back side of mounting plate 21 are rotated with push structure, the rotation direction of push structure on the front side of mounting plate 21 and the rotation direction of push structure on the back side of mounting plate 21 are opposite, push structure on the front side of mounting plate 21 is used to extrude cleaning fluid in the first peristaltic tube 24, realize self-circulation transportation of cleaning fluid in the first peristaltic tube 24, push structure on the back side of mounting plate 21 is used to extrude cleaning fluid in the second peristaltic tube 210, realize self-circulation transportation of cleaning fluid containing impurities in the second peristaltic tube 210;

[0037] The peristaltic pump comprises a first peristaltic tube 24 and a second peristaltic tube 210, in actual use, the pushing structure can extrude the first peristaltic tube 24, so that the first peristaltic tube 24 drives the cleaning liquid to clean and maintain the optical crystal, when the pushing structure extrudes the second peristaltic tube 210, the second peristaltic tube 210 can transport the cleaning liquid after cleaning the optical crystal, so that the cleaning liquid after cleaning the optical crystal is quickly separated from the clean optical crystal, and secondary pollution of the cleaning liquid containing impurities to the optical crystal is avoided.

[0038] Since the first peristaltic tube 24 and the second peristaltic tube 210 are consumables when the peristaltic pump is used, the first peristaltic tube 24 and the second peristaltic tube 210 need to be frequently maintained by the staff during use, when the staff needs to maintain the first peristaltic tube 24 and the second peristaltic tube 210, the staff dismounts the clamping piece 2 from the mounting plate 21, so that the first peristaltic tube 24 and the second peristaltic tube 210 are separated from the pushing wheel 27.

[0039] The mounting groove pipe 22 is fixed with a hoop 25, the hoop 25 is sleeved on the first peristaltic tube 24 and the second peristaltic tube 210, the first peristaltic tube 24 and the second peristaltic tube 210 are flexible pipes, both ends of the first peristaltic tube 24 and the second peristaltic tube 210 are fixed with external connectors 26, the first peristaltic tube 24 and the second peristaltic tube 210 can be connected with external pipes through the external connectors 26, so that the peristaltic pump is quickly connected to the optical crystal cleaning system.

[0040] Embodiment two: please refer to Figures 1-8 As shown, based on the basis of embodiment one, the present application provides a technical scheme, which is different from embodiment one, in actual use, the staff can control the output shaft of the transmission motor 1 to quickly reverse according to the actual situation, so that the first peristaltic tube 24 drives the cleaning liquid to clean the optical crystal, the second peristaltic tube 210 quickly extracts the cleaning liquid containing impurities, and secondary pollution of the cleaning liquid containing impurities to the optical crystal is avoided.

[0041] The rear side of the mounting plate 21 is distributed with a transmission motor 1, the fixed end of the transmission motor 1 is fixed with an external connecting rod 29 between the mounting plate 21, the external connecting rod 29 is fixed on the mounting plate 21 through bolts, so that the transmission motor 1 drives the mounting plate 21 to move to a suitable position.

[0042] The pushing structure comprises a first rotating tube 4 and a second rotating tube 41, the first rotating tube 4 rotates on the front side of the mounting plate 21, the second rotating tube 41 rotates on the rear side of the mounting plate 21, and the first rotating tube 4 and the second rotating tube 41 are both circular tube structures.

[0043] The first rotating pipe 4 and the second rotating pipe 41 are fixed with rotating frames 23, the rotating frames 23 are rotatably provided with push wheels 27, and the push wheels 27 are used for extruding the first peristaltic pipe 24 and the second peristaltic pipe 210.

[0044] The inner wall of the first rotating pipe 4 is rotatably provided with first push teeth 43 along the axis of the first rotating pipe 4, the inner wall of the second rotating pipe 41 is rotatably provided with second push teeth 44 along the axis of the second rotating pipe 41, and the axes of the first rotating pipe 4 and the second rotating pipe 41 coincide.

[0045] The first push teeth 43 and the second push teeth 44 are arc-shaped strip structures, the bending directions of the first push teeth 43 and the second push teeth 44 are opposite, and the inner cavities of the first rotating pipe 4 and the second rotating pipe 41 are communicated.

[0046] The inner cavities formed by the first rotating pipe 4 and the second rotating pipe 41 are inserted with a rotating rod 42, the upper end of the rotating rod 42 is fixed with an upper cover 3, the lower end of the rotating rod 42 is fixed with a lower cover 28, and the upper cover 3 and the lower cover 28 are used for sealing the inner cavities formed by the first rotating pipe 4 and the second rotating pipe 41.

[0047] The upper part and the lower part of the rotating rod 42 are fixed with rotating wheels 45, the rotating wheels 45 are fixed with push teeth 47 at equal intervals, and the push teeth 47 abut against the first push teeth 43 and the second push teeth 44.

[0048] The first push teeth 43 and the inner wall of the first rotating pipe 4 are fixed with connecting springs 46, the second push teeth 44 and the inner wall of the second rotating pipe 41 are also fixed with the connecting springs 46, and the connecting springs 46 are used for supporting the first push teeth 43 and the second push teeth 44.

[0049] In actual use, the transmission motor 1 can be a servo motor that can be purchased on the market, when the output shaft of the transmission motor 1 rotates in the positive direction, the output shaft of the transmission motor 1 can drive the rotating rod 42 to rotate in the positive direction inside the first rotating pipe 4 and the second rotating pipe 41, at this time, the rotating rod 42 can drive the push teeth 47 to push the first push teeth 43 through the rotating wheel 45, thereby realizing that the first push teeth 43 drive the first rotating pipe 4 to rotate on the mounting plate 21, realizing that the first rotating pipe 4 drives the push wheel 27 to extrude the cleaning liquid inside the first peristaltic pipe 24 through the rotating frame 23, thereby making the cleaning liquid clean the impurities on the optical crystal.

[0050] When the output shaft of the transmission motor 1 reverses, the output shaft of the transmission motor 1 can drive the rotating rod 42 to reverse inside the first rotating pipe 4 and the second rotating pipe 41, at this time the rotating rod 42 can drive the second pushing tooth 44 to push the second rotating pipe 41 on the mounting plate 21 through the rotating wheel 45 and the driving tooth 47, at this time the second rotating pipe 41 can drive the second peristaltic pipe 210 to squeeze the cleaning liquid inside through the rotating frame 23 and the push wheel 27, and then the cleaning liquid after cleaning the optical crystal is transported through the second peristaltic pipe 210, realizing the separation of the cleaning liquid after cleaning the optical crystal and the optical crystal;

[0051] The staff can control the output shaft of the transmission motor 1 to quickly reverse according to the actual situation, which can realize that the first peristaltic pipe 24 drives the cleaning liquid to clean the optical crystal, and the second peristaltic pipe 210 quickly extracts the cleaning liquid containing impurities, thereby avoiding the secondary pollution of the cleaning liquid containing impurities to the optical crystal;

[0052] It should be noted that the side of the first pushing tooth 43 and the second pushing tooth 44 away from the connecting spring 46 is connected with a hinge, which is not shown in the drawings, the first pushing tooth 43 is rotatably connected with the first rotating pipe 4 through the hinge, and the second pushing tooth 44 is rotatably connected with the second rotating pipe 41 through the hinge, the structure of the hinge belongs to the range known to those skilled in the art, and will not be described in detail here;

[0053] Since the driving tooth 47, the first pushing tooth 43 and the second pushing tooth 44 are all arc-shaped strip structures, the bending directions of the first pushing tooth 43 and the second pushing tooth 44 are opposite, and the bending directions of the driving tooth 47 above and the driving tooth 47 below are also opposite. It can be understood that when the rotating rod 42 drives the first pushing tooth 43 to push through the rotating wheel 45 and the driving tooth 47, the driving tooth 47 below drives the second pushing tooth 44 in the opposite direction, at this time the connecting spring 46 on the second pushing tooth 44 is stretched, when the driving tooth 47 below does not drive the second pushing tooth 44, the connecting spring 46 can drive the second pushing tooth 44 to reset by relying on its restoring force, which is convenient for the subsequent driving tooth 47 below to drive the second pushing tooth 44.

[0054] Conversely, when the rotating rod 42 drives the second pushing tooth 44 through the rotating wheel 45 and the driving tooth 47 below, the driving tooth 47 above drives the first pushing tooth 43 in the opposite direction, at this time the connecting spring 46 on the first pushing tooth 43 is stretched, when the driving tooth 47 above does not drive the first pushing tooth 43, the connecting spring 46 can drive the first pushing tooth 43 to reset by relying on its restoring force, which is convenient for the subsequent driving tooth 47 above to drive the first pushing tooth 43.

[0055] Working principle: the peristaltic pump includes a first peristaltic tube 24 and a second peristaltic tube 210, in actual use, the pushing structure can extrude the first peristaltic tube 24 to realize that the first peristaltic tube 24 drives the cleaning liquid to clean and maintain the optical crystal, when the pushing structure extrudes the second peristaltic tube 210, the second peristaltic tube 210 can transport the cleaning liquid after cleaning the optical crystal, thereby realizing the separation of the cleaning liquid after cleaning the optical crystal and the clean optical crystal, avoiding the secondary pollution of the cleaning liquid containing impurities to the optical crystal;

[0056] Since the first peristaltic tube 24 and the second peristaltic tube 210 are consumables when the peristaltic pump is used, the first peristaltic tube 24 and the second peristaltic tube 210 need to be frequently maintained by the staff, when the staff needs to maintain the first peristaltic tube 24 and the second peristaltic tube 210, the staff dismounts the clamping piece 2 from the mounting plate 21, which can separate the first peristaltic tube 24 and the second peristaltic tube 210 from the pushing wheel 27;

[0057] In actual use, the transmission motor 1 can be selected as a servo motor that can be purchased on the market, when the output shaft of the transmission motor 1 rotates forward, the output shaft of the transmission motor 1 can drive the rotating rod 42 to rotate forward in the first rotating tube 4 and the second rotating tube 41, at this time the rotating rod 42 can drive the pushing teeth 43 to push the first pushing teeth 43 through the rotating wheel 45, thereby realizing that the first pushing teeth 43 drive the first rotating tube 4 to rotate on the mounting plate 21, realizing that the pushing wheel 27 extrudes the cleaning liquid in the first peristaltic tube 24 through the rotating frame 23, thereby cleaning the impurities on the optical crystal with the cleaning liquid;

[0058] When the output shaft of the transmission motor 1 reverses, the output shaft of the transmission motor 1 can drive the rotating rod 42 to reverse in the first rotating tube 4 and the second rotating tube 41, at this time the rotating rod 42 can drive the pushing teeth 47 to push the second pushing teeth 44 through the rotating wheel 45, at this time the second pushing teeth 44 can drive the second rotating tube 41 to rotate on the mounting plate 21, the second rotating tube 41 can drive the pushing wheel 27 to extrude the cleaning liquid in the second peristaltic tube 210 through the rotating frame 23, thereby realizing that the cleaning liquid after cleaning the optical crystal is transported through the second peristaltic tube 210, realizing the separation of the cleaning liquid after cleaning the optical crystal and the optical crystal;

[0059] The staff can control the output shaft of the transmission motor 1 to quickly reverse forward and reverse according to the actual situation through the external controller, which can realize that the first peristaltic tube 24 drives the cleaning liquid to clean the optical crystal, and the second peristaltic tube 210 quickly extracts the cleaning liquid containing impurities, thereby avoiding the secondary pollution of the cleaning liquid containing impurities to the optical crystal.

[0060] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A self-circulating peristaltic pump for optical crystal cleanliness maintenance comprising a mounting plate (21), characterized in that: The mounting plate (21) is clamped with a clamping piece (2), the front side and the rear side of the clamping piece (2) are fixed with mounting groove pipes (22), the mounting groove pipe (22) of the front side of the clamping piece (2) is fixed with a first peristaltic tube (24), the mounting groove pipe (22) of the rear side of the clamping piece (2) is fixed with a second peristaltic tube (210); The front side and the rear side of the mounting plate (21) are rotatably provided with a pushing structure, the pushing structure comprises a first rotating pipe (4) and a second rotating pipe (41), the first rotating pipe (4) is rotatable on the front side of the mounting plate (21), the second rotating pipe (41) is rotatable on the rear side of the mounting plate (21), the first rotating pipe (4) and the second rotating pipe (41) are both circular pipe structures, the rotation direction of the front side pushing structure of the mounting plate (21) is opposite to the rotation direction of the rear side pushing structure of the mounting plate (21), the front side pushing structure of the mounting plate (21) is used for extruding the cleaning liquid in the first peristaltic tube (24), the rear side pushing structure of the mounting plate (21) is used for extruding the cleaning liquid in the second peristaltic tube (210), the inner wall of the first rotating pipe (4) is rotatably provided with first pushing teeth (43) along the axis of the first rotating pipe (4), the inner wall of the second rotating pipe (41) is rotatably provided with second pushing teeth (44) along the axis of the second rotating pipe (41), the axes of the first rotating pipe (4) and the second rotating pipe (41) coincide, the inner cavity formed by the first rotating pipe (4) and the second rotating pipe (41) is inserted with a rotating rod (42), the upper part and the lower part of the rotating rod (42) are both fixed with rotating wheels (45), the rotating wheels (45) are fixed with a plurality of push teeth (47) at equal intervals, the push teeth (47) abut against the first pushing teeth (43) and the second pushing teeth (44), the first pushing teeth (43) and the inner wall of the first rotating pipe (4) are fixed with connecting springs (46), the second pushing teeth (44) and the inner wall of the second rotating pipe (41) are also fixed with connecting springs (46), the connecting springs (46) are used for supporting the first pushing teeth (43) and the second pushing teeth (44).

2. A self-circulating peristaltic pump for optical crystal cleanliness maintenance according to claim 1, wherein, The mounting groove pipe (22) is fixed with a hoop ring (25), the hoop ring (25) is sleeved on the first peristaltic tube (24) and the second peristaltic tube (210), the first peristaltic tube (24) and the second peristaltic tube (210) are both flexible pipes, the two ends of the first peristaltic tube (24) and the second peristaltic tube (210) are both fixed with external connectors (26).

3. A self-circulating peristaltic pump for optical crystal cleanliness maintenance according to claim 1, wherein, The rear side of the mounting plate (21) is provided with a transmission motor (1), the fixed end of the transmission motor (1) is fixed with an external connecting rod (29) and the mounting plate (21), the external connecting rod (29) is fixed on the mounting plate (21) through bolts.

4. A self-circulating peristaltic pump for optical crystal cleanliness maintenance according to claim 1, wherein, The first rotating pipe (4) and the second rotating pipe (41) are both fixed with rotating frames (23), the rotating frames (23) are rotatably provided with push wheels (27), the push wheels (27) are used for extruding the first peristaltic tube (24) and the second peristaltic tube (210).

5. A self-circulating peristaltic pump for optical crystal cleanliness maintenance according to claim 4, wherein, The first pushing tooth (43) and the second pushing tooth (44) are both arc-shaped strip structures, the bending directions of the first pushing tooth (43) and the second pushing tooth (44) are opposite, and the inner cavities of the first rotating pipe (4) and the second rotating pipe (41) are communicated.

6. A self-circulating peristaltic pump for optical crystal cleanliness maintenance according to claim 5, wherein, The upper end of the rotating rod (42) is fixed with an upper cover (3), the lower end of the rotating rod (42) is fixed with a lower cover (28), and the upper cover (3) and the lower cover (28) are used for sealing the inner cavity formed by the first rotating pipe (4) and the second rotating pipe (41).

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