CN114228324B - Corrugated cardboard printing equipment - Google Patents

Abstract

The invention discloses corrugated board printing equipment which comprises a supporting seat, wherein the bottom of the supporting seat is fixedly connected with a pair of connecting plates, the surfaces of the connecting plates are fixedly connected with cleaning brushes, the bottom of the connecting plates is fixedly connected with a pair of supporting legs, a conveying belt is rotatably arranged on the supporting seat, the surfaces of the conveying belt are propped against the surfaces of the cleaning brushes, a pair of supporting frames are fixedly connected on the side walls of the supporting seat, a protective cover is fixedly connected between the supporting frames, and a printing mechanism is rotatably arranged in the protective cover; compared with the prior art, when the corrugated board and the surface of the printing roller are mutually extruded, the printing roller moves circularly, so that the connecting spring can shift under the action of the driving ball, the position of the movable shaft can be pulled, the elastic shaft can be ensured to stir the internal ink in the moving process, the elastic ball can be also used for knocking the inner wall of the ink outlet plate, the internal ink can be enabled to move, the condition that the ink is colored unevenly is avoided, and the printing quality can be ensured.

Description

Corrugated cardboard printing equipment

Technical field

The invention relates to the technical field of corrugated paper processing, specifically a corrugated paperboard printing equipment.

Background technique

Corrugated cardboard, also known as corrugated cardboard, is made of at least one layer of corrugated paper and one layer of cardboard. It has high mechanical strength and can withstand collisions and falls during transportation. It is mainly used to make cartons and cartons. Sandwiches and other packaging materials for fragile goods.

The surface of corrugated cardboard needs to be printed during processing, but there are gaps between corrugated cardboards, resulting in an uneven surface, which affects the printing quality, and there will be a lot of impurities such as dust and debris on the surface of corrugated cardboard. During the printing process It will also cause paper dust to stick to the surface of the printing roller, resulting in white spaces in printing and affecting the quality of printing on the cardboard surface. For this reason, we propose a corrugated cardboard printing equipment to solve the above problems.

Contents of the invention

The object of the present invention is to provide a corrugated cardboard printing device to solve the problems raised in the above background art.

In order to achieve the above object, the present invention provides the following technical solution: a corrugated cardboard printing equipment, including a support base, a pair of connecting plates are fixedly connected to the bottom of the supporting base, and a cleaning brush is fixedly connected to the surface of the connecting plate. A pair of support legs are fixedly connected to the bottom of the board. A transmission belt is rotated on the support base. The surface of the transmission belt offsets the surface of the cleaning brush. A pair of support frames are fixedly connected to the side walls of the support base. There is a gap between the support frames. A protective cover is fixedly connected, and a printing mechanism is rotated inside the protective cover. A connecting cover is installed on the surface of the protective cover. A plurality of auxiliary impurity removal mechanisms are fixedly connected inside the connecting cover to place the corrugated cardboard that needs to be printed. On the conveyor belt, the printing mechanism and auxiliary impurity removal mechanism can effectively reduce the white space on the surface of corrugated cardboard and improve the printing quality.

Preferably, a pair of movable grooves are provided on the inner wall of the protective cover, and a spring is fixedly connected inside the movable groove. The printing mechanism is movably arranged inside the movable groove, and a connecting rod is fixedly connected to the inner wall of the protective cover. The connecting rod is located directly above the movable groove. The connecting rod is in an "L" shape. An arc-shaped block is fixedly connected to the bottom of the connecting rod. An extrusion shaft is fixedly connected to the inner wall of the arc-shaped block, and the extrusion shaft is made of rubber. The interaction between the material and corrugated cardboard can cause the printing roller to shift slightly, increase the agitation effect of the elastic shaft on the internal ink, increase the ink displacement, and reduce uneven printing caused by the uneven surface of the corrugated cardboard. Avoid obvious breaks in the printing pattern and ensure that the surface printing pattern is uniform and clear.

Preferably, the printing mechanism includes a fixed shaft, the fixed shaft is movably arranged inside the movable groove, a printing roller is fixedly connected between the fixed shafts, an annular groove is provided on the side wall of the printing roller, and an annular groove is provided inside the annular groove. There is a movable hole, a sliding groove is provided on the surface of the fixed shaft, and a movable sleeve is movable inside the sliding groove. One end of the movable sleeve is fixedly connected with a return spring, and one end of the return spring is fixedly connected to one end of the sliding groove. The movable sleeve A plurality of connecting springs are fixedly connected to the surface of the sleeve, and one end of the connecting spring is fixedly connected to a movable shaft. A rubber ring is fixedly connected to the surface of the movable shaft. The movable shaft is movably arranged inside the movable hole, and the connecting spring is fixedly connected to the sleeve. There is a driving ball, and a metal block is fixedly connected to the inside of the driving ball. When the corrugated cardboard and the printing roller surface are pressed against each other, as the printing roller moves in a circular motion, the connecting spring can be shifted in position under the action of the driving ball, which can Pulling the position of the movable shaft can stir the internal ink, which can increase the uniformity of ink discharge and increase the stability of the equipment.

Preferably, an arc-shaped groove is provided on the surface of the printing roller, a telescopic rod is fixedly connected to the inner wall of the arc-shaped groove, and an extrusion block is fixedly connected to one end of the telescopic rod, and a pair of extrusion blocks are fixedly connected to both ends of the extrusion block. Arc spring, and one end of the arc spring is fixedly connected to the inner wall of the arc groove, and a metal sleeve is movable on the telescopic rod. The metal sleeve has magnetism that repels the extrusion block, and the movable shafts are fixedly connected. There is an elastic shaft, and the surface of the elastic shaft offsets the surface of the extrusion block. A plurality of elastic balls are fixedly connected to the surface of the elastic shaft. There is a cavity inside the elastic ball. The inner wall of the arc-shaped groove is fixedly connected with The ink outlet plate is arc-shaped and elastic. The inner wall of the ink outlet plate offsets the surface of the elastic ball. With the circular motion of the printing roller, the metal sleeve can move and the telescopic rod can move. The extrusion block squeezes the elastic shaft surface and pulls the arc spring at the same time to avoid internal ink agglomeration and reduce uneven printing caused by internal ink agglomeration.

Preferably, the auxiliary impurity removal mechanism includes a fixed sleeve, which is fixedly connected to the inner wall of the connecting cover. The fixed sleeve is tapered, and an extrusion ring is fixedly connected to one end of the fixed sleeve. The extrusion ring has an arc-shaped cross-section. A plurality of straight rods are fixedly connected to the inner wall of the extrusion ring, and a limit ring is fixedly connected between the straight rods. A friction ball is rotated inside the limit ring. The friction ball There are multiple grooves on the surface, and multiple cleaning barbs are fixedly connected inside the grooves. The surface of the friction ball can rub against the surface of the ink outlet plate. The cleaning barbs on the surface of the friction ball can remove the paper on the surface of the ink outlet plate. Clean the dust and impurities to prevent impurities from adhering to the surface of the printing roller, which can effectively reduce printing defects on the surface of corrugated cardboard and ensure the quality of printing.

Preferably, a plurality of inclined rods are fixedly connected to the inner wall of the fixed sleeve. One end of the inclined rods is fixedly connected with an elastic block, and a cleaning ring is fixedly connected between the elastic blocks. The cleaning ring is elastic. The cleaning ring A sponge ring is fixedly connected inside, and a guide rod is fixedly connected to the side wall of the cleaning ring. One end of the guide rod offsets the inner wall of the fixed sleeve, and an end block is fixedly connected to the inner wall of the fixed sleeve. The end block There are multiple fixed springs fixedly connected to the surface of the block, and one end of the fixed spring is fixedly connected to the inclined rod. The sponge can make the internal ink flow along the guide rod to the inside of the extrusion ring under the extrusion of the friction ball, which is convenient for the operator. Unified processing will be carried out later.

Preferably, the support base is provided with a pair of limiting grooves, and a connecting block is fixedly connected inside the limiting groove. A straight groove is provided between the connecting blocks, and a limiting wheel is rotated inside the straight groove. There is a rubber ring fixedly connected to the surface of the wheel. The position of the corrugated cardboard can be limited by the limiting wheel, reducing the position deviation of the corrugated cardboard during the printing process, and better ensuring the printing quality.

Compared with the prior art, the beneficial effects of the present invention are:

1. When the surfaces of the corrugated cardboard and the printing roller are pressed against each other in the present invention, as the printing roller moves in a circular motion, the connecting spring can be shifted in position under the action of the driving ball, and the position of the movable shaft can be pulled, that is, elasticity can be ensured. The shaft stirs the internal ink during movement, and also allows the elastic ball to knock on the inner wall of the ink outlet plate, which can cause the internal ink to move, avoid uneven coloring of the ink, and ensure the quality of printing;

2. Through the interaction of corrugated cardboard, the present invention can cause slight position deviation of the printing roller, enable the arc-shaped block to squeeze one end of the movable sleeve, cause the movable sleeve to move, and reduce the impact of the connecting spring on the elastic shaft. The pulling force can increase the agitation effect of the elastic shaft on the internal ink, increase the ink displacement, and reduce uneven printing caused by the uneven surface of the corrugated cardboard;

3. Through the circular motion of the printing roller, the present invention can make the metal sleeve move, move the telescopic rod, and make the extrusion block squeeze the surface of the elastic shaft. At the same time, it can pull the arc spring to avoid agglomeration of internal ink. situation to reduce uneven printing caused by internal ink agglomeration;

4. In the present invention, the surface of the friction ball can rub against the surface of the ink outlet plate. The cleaning barbs on the surface of the friction ball can clean the paper scraps and impurities on the surface of the ink outlet plate to prevent impurities from adhering to the surface of the printing roller and reduce printing costs. White space in the process;

5. The present invention can absorb excess ink through the grooves on the surface of the friction ball. As the friction ball rotates, it can be absorbed by the sponge inside the cleaning ring, reducing excess ink on the surface and avoiding unclear printing patterns, and the sponge can Under the squeezing action of the friction ball, the internal ink flows along the guide rod to the inside of the extrusion ring, which facilitates subsequent unified processing by the operator.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic diagram of the internal structure of the protective cover of the present invention;

Figure 3 is a schematic diagram of the printing mechanism of the present invention;

Figure 4 is a partially enlarged schematic diagram of position A in Figure 3 of the present invention;

Figure 5 is a schematic diagram of the auxiliary impurity removal mechanism of the present invention;

Figure 6 is a schematic cross-sectional view of the fixing sleeve of the present invention;

In the picture: 1. Support seat; 2. Protective cover; 3. Printing mechanism; 4. Auxiliary impurity removal mechanism; 11. Connecting plate; 12. Transmission belt; 13. Connecting block; 14. Limiting wheel; 15. Support frame ; 21. Connecting cover; 22. Movable groove; 23. Connecting rod; 231. Arc block; 31. Printing roller; 32. Movable shaft; 33. Arc groove; 34. Elastic shaft; 341. Elastic ball; 35. Ink outlet plate; 36. Fixed shaft; 361. Movable sleeve; 37. Driving ball; 38. Extrusion block; 39. Metal sleeve; 41. Fixed sleeve; 42. Extrusion ring; 43. Limiting ring; 44. Friction ball; 45, cleaning ring; 46, inclined rod; 47, end block; 48, guide rod.

Implementation

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-6. The present invention provides a technical solution: a corrugated cardboard printing equipment, including a support base 1. A pair of connecting plates 11 are fixedly connected to the bottom of the support base 1, and a cleaning brush is fixedly connected to the surface of the connecting plate 11. A pair of support legs are fixedly connected to the bottom of the connecting plate 11. A transmission belt 12 is rotated on the support base 1. The surface of the transmission belt 12 offsets the surface of the cleaning brush. A pair of support frames 15 are fixedly connected to the side walls of the support base 1. The support frames 15 are connected to each other. A protective cover 2 is fixedly connected, and a printing mechanism 3 is rotated inside the protective cover 2. A connecting cover 21 is installed on the surface of the protective cover 2. A plurality of auxiliary impurity removal mechanisms 4 are fixedly connected inside the connecting cover 21 to place the corrugated cardboard that needs to be printed. On the conveyor belt 12, through the printing mechanism 3 and the auxiliary impurity removal mechanism 4, the white space on the surface of the corrugated cardboard can be effectively reduced, and the printing quality can be improved.

A pair of movable grooves 22 are provided on the inner wall of the protective cover 2. A spring is fixedly connected inside the movable groove 22. The printing mechanism 3 is movably arranged inside the movable groove 22. A connecting rod 23 is fixedly connected to the inner wall of the protective cover 2. The connecting rod 23 is located in the movable groove. Right above 22, the connecting rod 23 is "L" shaped. The bottom of the connecting rod 23 is fixedly connected with an arc block 231. The inner wall of the arc block 231 is fixedly connected with an extrusion shaft, and the extrusion shaft is made of rubber. The corrugated cardboard interacts with each other. down, the printing roller 31 can be slightly displaced, the arc block 231 can squeeze one end of the movable sleeve 361, the movable sleeve 361 can move, and the pulling force of the connecting spring on the elastic shaft 34 can be reduced. The elastic shaft 34 has a stirring effect on the internal ink, increases the ink displacement, and reduces uneven printing caused by the uneven surface of the corrugated cardboard.

The printing mechanism 3 includes a fixed shaft 36. The fixed shaft 36 is movably arranged inside the movable groove 22. A printing roller 31 is fixedly connected between the fixed shafts 36. An annular groove is provided on the side wall of the printing roller 31, and a movable hole is provided inside the annular groove. A sliding groove is provided on the surface of the fixed shaft 36, and a movable sleeve 361 is movable inside the sliding groove. One end of the movable sleeve 361 is fixedly connected with a return spring, and one end of the return spring is fixedly connected to one end of the sliding groove. The surface of the movable sleeve 361 is fixedly connected with A plurality of connecting springs, and one end of the connecting spring is fixedly connected to a movable shaft 32. A rubber ring is fixedly connected to the surface of the movable shaft 32. The movable shaft 32 is movably arranged inside the movable hole, and a driving ball 37 is fixedly connected to the connecting spring. The driving ball There is a metal block fixedly connected inside 37. When the surfaces of the corrugated cardboard and the printing roller 31 are pressed against each other, as the printing roller 31 moves in a circle, the connecting spring can be shifted in position under the action of the driving ball 37, and the movable shaft 32 can be pulled. s position.

An arc-shaped groove 33 is provided on the surface of the printing roller 31. A telescopic rod is fixedly connected to the inner wall of the arc-shaped groove 33, and an extrusion block 38 is fixedly connected to one end of the telescopic rod. A pair of arc-shaped springs are fixedly connected to both ends of the extrusion block 38. And one end of the arc spring is fixedly connected to the inner wall of the arc groove 33, and the telescopic rod is movable with a metal sleeve 39. The metal sleeve 39 has magnetism that repels the extrusion block 38, and an elastic shaft is fixedly connected between the movable shafts 32. 34. The surface of the elastic shaft 34 offsets the surface of the extrusion block 38. A plurality of elastic balls 341 are fixedly connected to the surface of the elastic shaft 34. There are cavities inside the elastic balls 341, and an ink outlet plate 35 is fixedly connected to the inner wall of the arc-shaped groove 33. , the ink outlet plate 35 is arc-shaped and elastic, the inner wall of the ink outlet plate 35 is against the surface of the elastic ball 341, and the movable shaft 32 moves, which can ensure that the elastic shaft 34 stirs the internal ink during the movement, and can also make the elastic ball 341 knocking the inner wall of the ink outlet plate 35 can cause the internal ink to move, avoid uneven coloring of the ink, and ensure the quality of printing.

The auxiliary impurity removal mechanism 4 includes a fixed sleeve 41. The fixed sleeve 41 is fixedly connected to the inner wall of the connecting cover 21. The fixed sleeve 41 is tapered. One end of the fixed sleeve 41 is fixedly connected to an extrusion ring 42. The cross-section of the extrusion ring 42 is It is arc-shaped and has a plurality of straight rods fixedly connected to the inner wall of the extrusion ring 42, and a limit ring 43 is fixedly connected between the straight rods. A friction ball 44 is rotated inside the limit ring 43, and a plurality of friction balls 44 are provided on the surface of the friction ball 44. groove, and a plurality of cleaning barbs are fixedly connected inside the groove. The surface of the friction ball 44 can rub against the surface of the ink outlet plate 35. The cleaning barbs on the surface of the friction ball 44 can remove paper debris and impurities on the surface of the ink outlet plate 35. Wait for cleaning to prevent impurities from adhering to the surface of the printing roller 31, which can reduce white space during the printing process.

A plurality of inclined rods 46 are fixedly connected to the inner wall of the fixed sleeve 41. One end of the inclined rods 46 is fixedly connected with an elastic block, and a cleaning ring 45 is fixedly connected between the elastic blocks. The cleaning ring 45 is elastic, and a sponge is fixedly connected inside the cleaning ring 45. ring, a guide rod 48 is fixedly connected to the side wall of the cleaning ring 45, one end of the guide rod 48 is against the inner wall of the fixed sleeve 41, an end block 47 is fixedly connected to the inner wall of the fixed sleeve 41, and an end block 47 is fixedly connected to the surface of the end block 47. There are multiple fixed springs, and one end of the fixed spring is fixedly connected to the inclined rod 46. The grooves on the surface of the friction ball 44 can absorb excess ink. As the friction ball 44 rotates, it can be absorbed by the sponge inside the cleaning ring 45, reducing the surface area. Excess ink to avoid unclear printing patterns.

A pair of limiting grooves is provided on the support base 1, and a connecting block 13 is fixedly connected inside the limiting groove. A straight groove is provided between the connecting blocks 13, and a limiting wheel 14 is rotated inside the straight groove, and the limiting wheel 14 is fixed on the surface. A rubber ring is connected, and the position of the corrugated cardboard can be limited by the limiting wheel 14, thereby reducing the positional deviation of the corrugated cardboard during the printing process.

Working principle: First, place the corrugated cardboard to be printed on the conveyor belt 12. The position of the corrugated cardboard can be limited by the limiting wheel 14 to reduce the position deviation of the corrugated cardboard during the printing process. Through the printing mechanism 3 and the auxiliary removal The complex mechanism 4 can effectively reduce the white space on the surface of the corrugated cardboard and improve the printing quality. When the surfaces of the corrugated cardboard and the printing roller 31 are pressed against each other, as the printing roller 31 moves in a circular motion, the connecting spring can be driven The position deviation occurs under the action of the ball 37, which can pull the position of the movable shaft 32, which ensures that the elastic shaft 34 stirs the internal ink during movement, and also allows the elastic ball 341 to knock the inner wall of the ink outlet plate 35, which can The internal ink can be moved to avoid uneven coloring of the ink, thereby ensuring the quality of printing. Moreover, under the interaction of corrugated cardboard, the printing roller 31 can be slightly offset, and the arc block 231 can be aligned. Squeezing one end of the movable sleeve 361 can make the movable sleeve 361 move, which can reduce the pulling force of the connecting spring on the elastic shaft 34, increase the agitation effect of the elastic shaft 34 on the internal ink, increase the ink displacement, and reduce the unevenness of the corrugated cardboard surface. Uneven printing caused by unevenness, and then with the circular motion of the printing roller 31, the metal sleeve 39 can move, the telescopic rod can move, and the extrusion block 38 can squeeze the surface of the elastic shaft 34, and at the same time Pull the arc spring to avoid caking of internal ink and reduce uneven printing caused by caking of internal ink. Finally, the surface of friction ball 44 can rub against the surface of ink outlet plate 35, and the surface of friction ball 44 has clean barbs. Paper scraps and impurities on the surface of the ink outlet plate 35 can be cleaned to prevent impurities from adhering to the surface of the printing roller 31, which can reduce white space during the printing process, and the grooves on the surface of the friction ball 44 can absorb excess ink, and then With the rotation of the friction ball 44, it can be absorbed by the sponge inside the cleaning ring 45, reducing excess ink on the surface and avoiding unclear printing patterns. The sponge can make the internal ink flow along the guide under the extrusion of the friction ball 44. The flow rod 48 flows to the inside of the extrusion ring 42 to facilitate subsequent unified processing by the operator.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (1)

1. A corrugated cardboard printing equipment, including a support base (1), characterized in that: a pair of connecting plates (11) are fixedly connected to the bottom of the support base (1), and a pair of connecting plates (11) are fixedly connected to the surface of the connecting plate (11). Cleaning brush, the bottom of the connecting plate (11) is fixedly connected with a pair of supporting legs, and a transmission belt (12) is rotated on the supporting base (1). The surface of the transmission belt (12) offsets the surface of the cleaning brush, so A pair of support frames (15) are fixedly connected to the side walls of the support base (1), and a protective cover (2) is fixedly connected between the support frames (15). A printing mechanism (2) is rotated inside the protective cover (2). 3), a connection cover (21) is installed on the surface of the protective cover (2), and a plurality of auxiliary impurity removal mechanisms (4) are fixedly connected inside the connection cover (21); A pair of movable grooves (22) are provided on the inner wall of the protective cover (2). A spring is fixedly connected inside the movable groove (22). The printing mechanism (3) is movably arranged inside the movable groove (22). A connecting rod (23) is fixedly connected to the inner wall of the protective cover (2). The connecting rod (23) is located directly above the movable groove (22). The connecting rod (23) is in an "L" shape. 23) An arc-shaped block (231) is fixedly connected to the bottom, and an extrusion shaft is fixedly connected to the inner wall of the arc-shaped block (231), and the extrusion shaft is made of rubber; The printing mechanism (3) includes a fixed shaft (36), which is movably arranged inside the movable groove (22). A printing roller (31) is fixedly connected between the fixed shafts (36). An annular groove is provided on the side wall of the printing roller (31), and a movable hole is provided inside the annular groove. A sliding groove is provided on the surface of the fixed shaft (36), and a movable sleeve (361) is movable inside the sliding groove. One end of the movable sleeve (361) is fixedly connected with a return spring, and one end of the return spring is fixedly connected to one end of the sliding groove. The surface of the movable sleeve (361) is fixedly connected with a plurality of connecting springs, and one end of the connecting spring is fixedly connected with a movable shaft. (32), a rubber ring is fixedly connected to the surface of the movable shaft (32), the movable shaft (32) is movably arranged inside the movable hole, and a driving ball (37) is fixedly connected to the connecting spring. The driving ball (37) There is a metal block fixedly connected inside; An arc-shaped groove (33) is provided on the surface of the printing roller (31), a telescopic rod is fixedly connected to the inner wall of the arc-shaped groove (33), and an extrusion block (38) is fixedly connected to one end of the telescopic rod. A pair of arc-shaped springs are fixedly connected to both ends of the extrusion block (38), and one end of the arc-shaped spring is fixedly connected to the inner wall of the arc-shaped groove (33), and a metal sleeve (39) is movable on the telescopic rod. The sleeve (39) has magnetism that repels the extrusion block (38). An elastic shaft (34) is fixedly connected between the movable shafts (32). The surface of the elastic shaft (34) is in contact with the surface of the extrusion block (38). To offset this, a plurality of elastic balls (341) are fixedly connected to the surface of the elastic shaft (34). There are cavities inside the elastic balls (341), and an ink outlet is fixedly connected to the inner wall of the arc-shaped groove (33). Plate (35), the ink outlet plate (35) is arc-shaped and elastic, and the inner wall of the ink outlet plate (35) offsets the surface of the elastic ball (341); The auxiliary impurity removal mechanism (4) includes a fixed sleeve (41), which is fixedly connected to the inner wall of the connecting cover (21). The fixed sleeve (41) is tapered, and the fixed sleeve (41) is conical. An extrusion ring (42) is fixedly connected to one end of the fixed sleeve (41). The extrusion ring (42) has an arc-shaped cross section. A plurality of straight rods are fixedly connected to the inner wall of the extrusion ring (42). A limit ring (43) is fixedly connected between the rods. A friction ball (44) is provided for rotation inside the limit ring (43). A plurality of grooves are provided on the surface of the friction ball (44), and the grooves are fixed inside. The connection has multiple cleaning barbs; A plurality of inclined rods (46) are fixedly connected to the inner wall of the fixed sleeve (41). One end of the inclined rods (46) is fixedly connected to an elastic block, and a cleaning ring (45) is fixedly connected between the elastic blocks. The cleaning ring (45) is elastic. A sponge ring is fixedly connected inside the cleaning ring (45). A guide rod (48) is fixedly connected to the side wall of the cleaning ring (45). The guide rod (48) One end is against the inner wall of the fixed sleeve (41). An end block (47) is fixedly connected to the inner wall of the fixed sleeve (41). A plurality of fixed springs are fixedly connected to the surface of the end block (47), and the fixed springs One end is fixedly connected to the inclined rod (46); The support base (1) is provided with a pair of limiting grooves, and a connecting block (13) is fixedly connected inside the limiting groove. A straight groove is formed between the connecting blocks (13), and a limiting position is provided for rotation inside the straight groove. wheel (14), and a rubber ring is fixedly connected to the surface of the limiting wheel (14).