Surface cleaning device for sponge processing

Abstract

The present invention discloses a surface cleaning device for sponge processing, which is applied in the technical field of sponge surface cleaning devices. The key points of its technical solution are: it comprises an upper base and a lower base arranged horizontally at intervals; a positioning and conveying seat for realizing sponge positioning and conveying is detachably fixed between the upper base and the lower base, and a plurality of sponge telescopic cleaning holes are evenly spaced on the positioning and conveying seat along the sponge conveying direction; the upper base and the lower base are respectively and symmetrically provided with a plurality of first stretching and adsorption components and second stretching and adsorption components for pushing the sponge out of the sponge telescopic cleaning holes and adsorbing impurities on the sponge; a lifting and adjusting component for adjusting the distance between the first stretching and adsorption components and the second stretching and adsorption components and the positioning and conveying seat is fixed on the upper base; the technical effects are: simple structure, good cleaning effect and high cleaning efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of sponge surface cleaning devices, in particular to a surface cleaning device for sponge processing. Background Art

[0002] There are many types of sponges used in industrial production, including foam sponges, shaping sponges, rubber sponges, memory sponges, etc. Industrial sponges are formed by mixing polyether materials, auxiliary materials and various additives such as foaming agents through mixed foaming.

[0003] At present, when processing industrial sponges, sponge blocks need to be cut into larger sponge sheets. However, the existing porous industrial sponge preparation and processing equipment has the following problems when preparing and processing porous industrial sponges: some cutting debris particles will be generated during the preparation and processing of the porous industrial sponge and the cutting of the porous industrial sponge. These debris will enter the pores on the surface of the industrial sponge. If they are not effectively treated, they will appear during subsequent use, affecting product quality. The existing technology for cleaning the debris in the sponge pores is to use a method of knocking from both sides to make the debris and impurities in the pores fall off. However, the knocking method will not make all the debris and impurities in the pores fall off, and most of them will remain in the pores. The cleaning efficiency is low and the cleaning effect is poor, which needs to be improved. Summary of the Invention

[0004] The purpose of the present invention is to provide a surface cleaning device for sponge processing, which has the advantages of simple structure, good cleaning effect and high cleaning efficiency.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a surface cleaning device for sponge processing, comprising an upper base and a lower base arranged horizontally at intervals; a positioning and conveying seat for realizing sponge positioning and conveying is detachably fixed between the upper base and the lower base, and a plurality of sponge telescopic cleaning holes are evenly spaced on the positioning and conveying seat along the sponge conveying direction; the upper base and the lower base are respectively and symmetrically alternately provided with a plurality of first stretching and adsorption components and a second stretching and adsorption component for pushing the sponge out of the sponge telescopic cleaning hole and adsorbing impurities on the sponge; a lifting and lowering adjustment component is fixed on the upper base for adjusting the distance between the first stretching and adsorption component and the second stretching and adsorption component and the positioning and conveying seat to facilitate the adsorption of impurities on the sponge.

[0006] The present invention is further configured as follows: the first stretching and adsorption component and the second stretching and adsorption component have the same structure, both including an arc-shaped structure, a curved stretching portion for rotating into the sponge telescopic cleaning hole to push the sponge surface to stretch so as to increase the pores on the back of the sponge, and a curved adsorption portion for adsorbing impurities in the sponge pores when the pores on the back of the sponge are increased. The curved stretching portion and the curved adsorption portion of the first stretching and adsorption component and the second stretching and adsorption component are used alternately, and there is an arc transition between the curved stretching portion and the curved adsorption portion.

[0007] The present invention is further configured as follows: a plurality of blowing holes and suction holes are respectively evenly provided on the surfaces of the arc-shaped stretching portion and the arc-shaped adsorption portion; an air storage cavity and an impurity adsorption cavity connected to the blowing holes and the suction holes are respectively provided in the arc-shaped stretching portion and the arc-shaped adsorption portion; the air storage cavity is externally connected to an air delivery pump for delivering air into the air storage cavity to assist impurities in being discharged from the enlarged pores on the back of the sponge; the impurity adsorption cavity is externally connected to a negative pressure pump for forming a negative pressure in the impurity adsorption cavity to assist impurities in the sponge pores to enter the impurity adsorption cavity through the suction holes for collection.

[0008] The present invention is further configured as follows: the first stretching and adsorption assembly and the second stretching and adsorption assembly are fixedly provided with a rotating part at the arc center position of the arc-shaped stretching part, and a rotating motor is fixedly provided on the rotating part for driving the first stretching and adsorption assembly and the second stretching and adsorption assembly to rotate.

[0009] The present invention is further configured as follows: the positioning and conveying seat is fixedly provided with a clamping assembly at both ends of the sponge telescopic cleaning hole for pressing and fixing the sponge in the positioning and conveying seat so as to facilitate the arc-shaped stretching part to push the sponge surface to stretch, thereby increasing the pores on the back of the sponge; the clamping assembly includes a clamping cylinder fixedly connected to the positioning and conveying seat along the vertical direction and a clamping block fixedly connected to the telescopic end of the clamping cylinder; the clamping block has a circular structure.

[0010] The present invention is further configured such that the adjacent first stretching and adsorption components or the second stretching and adsorption components located on the same side of the positioning and conveying seat have opposite motion states.

[0011] The present invention is further configured as follows: the lifting and adjusting component includes a locking adjustment seat that is slidably connected to the upper base and the lower base along the vertical direction, and is used to fix the first stretching adsorption component and the second stretching adsorption component and adjust the distance between the first stretching adsorption component and the second stretching adsorption component; a lifting component is fixed on the upper base to drive the locking adjustment seat to slide along the vertical direction.

[0012] The present invention is further configured as follows: a sliding groove for the rotating motor to slide is provided on the locking adjustment seat, and a plurality of locking bolt holes are provided on the upper side end of the locking adjustment seat. When the distance adjustment between the first stretching adsorption component and the second stretching adsorption component is completed, the rotating motor is locked and fixed in the sliding groove based on the locking bolt.

[0013] The present invention is further configured such that the lifting assembly uses a lifting electric cylinder.

[0014] The present invention is further configured such that the length of the sponge conveyed in the positioning conveying seat in a single time is not longer than the length of the sponge telescopic cleaning hole along the conveying direction and is not shorter than half the length of the sponge telescopic cleaning hole along the conveying direction.

[0015] In summary, the present invention has the following beneficial effects:

[0016] 1. A positioning conveying seat for realizing the positioning and conveying of the sponge is provided between the upper base and the lower base, and a first stretching adsorption component and a second stretching adsorption component are respectively provided at both ends of the positioning conveying seat, and a pressing component for pressing and fixing the sponge in the positioning conveying seat is provided at both ends of the sponge telescopic cleaning hole. When the sponge surface is cleaned, the sponge is pressed by the pressing component after being pulled and conveyed in the positioning conveying seat, so that the two ends of the sponge located in the sponge telescopic cleaning hole are fixed. Then the first stretching adsorption component and the second stretching adsorption component are driven to rotate by the rotating motor, and the arc-shaped stretching portion of the first stretching adsorption component abuts against the surface of the sponge, and the sponge is pushed and stretched, so that the pores on the back of the sponge are enlarged. At this time, the arc-shaped adsorption portion of the second stretching adsorption component approaches the back of the sponge to absorb air, and at the same time, the arc-shaped stretching portion blows air to the sponge, so that the impurities in the sponge pores are sucked into the arc-shaped adsorption portion of the second stretching adsorption component, thereby promoting the discharge of impurities. When the impurities on one side of the sponge are cleaned After completion, the first stretching and adsorption component and the second stretching and adsorption component are alternated, and the rotating motor drives the arc-shaped stretching part and the arc-shaped adsorption part of the first stretching and adsorption component and the second stretching and adsorption component to exchange positions so that the arc-shaped stretching part of the second stretching and adsorption component abuts against the surface of the sponge, and the sponge is pushed and stretched so that the pores on the back of the sponge are enlarged. At the same time, the arc-shaped adsorption part of the first stretching and adsorption component is close to the back of the sponge to absorb air, and at the same time, the arc-shaped stretching part of the second stretching and adsorption component blows air to the sponge so that impurities in the pores of the sponge are sucked into the arc-shaped adsorption part of the first stretching and adsorption component, thereby promoting the discharge of impurities, thereby completing the impurity cleaning of the upper and lower surfaces of the sponge. The sponge at the location is stretched and cleaned multiple times and is stretched and cleaned again multiple times during the transportation process, thereby greatly increasing the cleaning effect of impurities on the sponge surface. The structure is simple, and the cleaning is performed during the transportation process, with high cleaning efficiency. It can adapt to the cleaning needs of sponges of different widths and lengths, and has a wide range of adaptability.

[0017] 2. A lifting and adjusting assembly is provided on the upper base. Since the first and second stretching and adsorption assemblies are irregularly shaped, consisting of an arc-shaped stretching portion and an arc-shaped adsorption portion, when the arc-shaped stretching portion of the first stretching and adsorption assemblies abuts against the sponge surface, the arc-shaped adsorption portion of the second stretching and adsorption assemblies, which alternately cooperates with it, needs to move to the position where the sponge is pushed and stretched to adsorb impurities. By constantly adjusting the relative positions of the first and second stretching and adsorption assemblies and the positioning and conveying seat through the lifting and adjusting assembly, on the one hand, the arc-shaped stretching portion can be brought as close as possible to the sponge, thereby increasing the degree of deformation caused by the abutment, thereby improving the impurity cleaning effect. On the other hand, the spacing between the first and second stretching and adsorption assemblies can be adjusted to accommodate the cleaning needs of sponges of different thicknesses, thereby increasing the adaptability range.

[0018] 3. The pressing block of the pressing component is arranged in a circular structure, which can reduce the interference with the arc-shaped stretching part while ensuring the pressing effect, thereby increasing the range of sponge deformation and improving the sponge cleaning effect. The movement states of the first stretching adsorption component or the second stretching adsorption component adjacent to each other on the same side of the positioning and conveying seat are arranged to be opposite, that is, when the arc-shaped stretching part of a first stretching and adsorption component abuts the sponge, the arc-shaped adsorption part of the adjacent first stretching and adsorption component adsorbs impurities. In this way, at the same time, the sponge located in the positioning and conveying seat is abutted in a wavy shape, which increases the degree of sponge deformation, improves the sponge cleaning effect, and also improves the cleaning efficiency to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0020] Figure 2 yes Figure 1 A magnified schematic diagram of part A;

[0021] Figure 3 is a structural cross-sectional view of the first stretch adsorption assembly of this embodiment;

[0022] Figure 4 It is a structural cross-sectional view of the lifting and adjusting assembly of this embodiment.

[0023] Figure numerals: 1. Upper base; 2. Lower base; 3. Positioning and conveying seat; 31. Sponge telescopic cleaning hole; 32. Pressing assembly; 321. Pressing cylinder; 322. Pressing block; 4. First stretching and adsorption assembly; 41. Arc-shaped stretching part; 42. Arc-shaped adsorption part; 43. Blowing hole; 44. Suction hole; 45. Air storage chamber; 46. Impurity adsorption chamber; 47. Rotating part; 48. Rotating motor; 5. Second stretching and adsorption assembly; 6. Lifting and adjusting assembly; 61. Locking adjustment seat; 62. Lifting assembly; 63. Sliding groove; 64. Locking bolt hole; 65. Locking bolt. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] Example:

[0026] refer to Figures 1 to 4 , a surface cleaning device for sponge processing, comprising an upper base 1 and a lower base 2 arranged at intervals horizontally, a positioning and conveying seat 3 for realizing sponge positioning and conveying is detachably fixed between the upper base 1 and the lower base 2, and the positioning and conveying seat 3 is hollow along the sponge conveying direction, and a plurality of sponge telescopic cleaning holes 31 are evenly spaced on the positioning and conveying seat 3 along the sponge conveying direction, and a plurality of first stretching and adsorption components 4 and second stretching and adsorption components 5 for pushing the sponge out of the sponge telescopic cleaning hole 31 and adsorbing impurities on the sponge are symmetrically and alternately provided on the upper base 1 and the lower base 2, respectively. At least three groups of first stretching and adsorption components 4 and second stretching and adsorption components 5 are provided on the upper base 1 and the lower base 2 along the sponge conveying direction, and a lifting and lowering adjustment component 6 for adjusting the distance between the first stretching and adsorption components 4 and the second stretching and adsorption components 5 and the positioning and conveying seat 3 is fixed on the upper base 1 to facilitate the adsorption of impurities on the sponge. In an embodiment, the length of the sponge conveyed in a single time in the positioning and conveying seat 3 is not longer than the length of the sponge telescopic cleaning hole 31 along the conveying direction and is not shorter than half the length of the sponge telescopic cleaning hole 31 along the conveying direction, thereby avoiding the sponge surface located between adjacent sponge telescopic cleaning holes 31 from being unable to be cleaned. By setting the length of the sponge conveyed in a single time in the positioning and conveying seat 3 to be not longer than the length of the sponge telescopic cleaning hole 31, it is ensured that after multiple conveyances, the sponge located between adjacent sponge telescopic holes can be cleaned. At the same time, setting the single conveying length to be not shorter than half the length of the sponge telescopic cleaning hole 31 also ensures the speed of sponge conveyance and improves the efficiency of sponge cleaning.

[0027] refer to Figure 1 and Figure 3Specifically, the first stretching adsorption component 4 and the second stretching adsorption component 5 have the same structure, both of which include an arc-shaped structure, a curved stretching portion 41 for rotating into the sponge telescopic cleaning hole 31 to push the sponge surface to stretch so that the pores on the back of the sponge are enlarged, and a curved adsorption portion 42 for adsorbing impurities in the sponge pores when the pores on the back of the sponge are enlarged. The curved stretching portion 41 and the curved adsorption portion 42 of the first stretching adsorption component 4 and the second stretching adsorption component 5 are used alternately, and there is an arc transition between the curved stretching portion 41 and the curved adsorption portion 42. At the same time, the arc radius of the curved stretching portion 41 is smaller than the arc radius of the curved adsorption portion 42, but the curvature of the curved stretching portion 41 is larger than the curvature of the curved adsorption portion 42. When When in the cleaning state, the arc centers of the arc-shaped adsorption portion 42 and the arc-shaped stretching portion 41 of the first stretching adsorption component 4 and the second stretching adsorption component 5 are on the same vertical line to ensure the coordination of the arc-shaped adsorption portion 42 and the arc-shaped stretching portion 41 of the first stretching adsorption component 4 and the second stretching adsorption component 5. A rotating portion 47 is fixedly provided at the arc center position of the arc-shaped stretching portion 41 of the first stretching adsorption component 4 and the second stretching adsorption component 5. A rotating motor 48 is fixedly provided on the rotating portion 47 for driving the first stretching adsorption component 4 and the second stretching adsorption component 5 to rotate. The rotating portion 47 is driven to rotate by the rotating motor 48, thereby driving the first stretching adsorption component 4 and the second stretching adsorption component 5 to rotate. In this embodiment, the rotating motor 48 uses a servo motor, which ensures the coordination between the arc-shaped stretching portion 41 and the arc-shaped adsorption portion 42 by controlling the angle of a single rotation of the first stretching adsorption component 4 and the second stretching adsorption component 5, thereby improving the impurity cleaning effect.

[0028] refer to Figure 1 and Figure 3Specifically, a number of blowing holes 43 and suction holes 44 are evenly opened on the surface of the arc-shaped stretching part 41 and the arc-shaped adsorption part 42 respectively. An air storage cavity 45 and an impurity adsorption cavity 46 connecting the blowing holes 43 and the suction holes 44 are opened in the arc-shaped stretching part 41 and the arc-shaped adsorption part 42 respectively. The air storage cavity 45 is externally connected to an air delivery pump for delivering air into the air storage cavity 45 to assist impurities to be discharged from the enlarged pores on the back of the sponge. The impurity adsorption cavity 46 is externally connected to a negative pressure pump for forming a negative pressure in the impurity adsorption cavity 46 to assist impurities in the sponge pores to enter the impurity adsorption cavity 46 through the suction holes 44 for collection. When cleaning the surface of the sponge, the first stretching adsorption component 4 and the second stretching adsorption component 5 are driven to rotate by the rotating motor 48, and the arc-shaped stretching portion 41 of the first stretching adsorption component 4 abuts against the surface of the sponge, and the sponge is pushed and stretched so that the pores on the back of the sponge are increased. At this time, the arc-shaped adsorption portion 42 of the second stretching adsorption component 5 is close to the back of the sponge to absorb air. At the same time, the arc-shaped stretching portion 41 blows air to the sponge so that the impurities in the sponge pores are sucked into the arc-shaped adsorption portion 42 of the second stretching adsorption component 5, thereby promoting the discharge of impurities. When the impurities on one side of the sponge are cleaned, the first stretching adsorption component 4 and the second stretching adsorption component 5 are alternately rotated, and the rotating motor 48 drives the first stretching adsorption component 4 and the second stretching adsorption component 5 to rotate. The arc-shaped stretching portion 41 and the arc-shaped adsorption portion 42 of the component 5 are swapped in position so that the arc-shaped stretching portion 41 of the second stretching and adsorption component 5 abuts against the surface of the sponge, and the sponge is pushed and stretched so that the pores on the back of the sponge are increased. At the same time, the arc-shaped adsorption portion 42 of the first stretching and adsorption component 4 is close to the back of the sponge to absorb air. At the same time, the arc-shaped stretching portion 41 of the second stretching and adsorption component 5 blows air toward the sponge so that impurities in the sponge pores are sucked into the arc-shaped adsorption portion 42 of the first stretching and adsorption component 4, thereby promoting the discharge of impurities, thereby completing the impurity cleaning of the upper and lower surfaces of the sponge. The sponge at the current position is stretched and cleaned multiple times and is stretched and cleaned again multiple times during the transportation process, thereby greatly increasing the cleaning effect of impurities on the sponge surface.

[0029] refer to Figure 1 Specifically, the movement states of the adjacent first stretching and adsorption components 4 or second stretching and adsorption components 5 located on the same side of the positioning and conveying seat 3 are opposite, so that when the arc-shaped stretching portion 41 of a first stretching and adsorption component 4 abuts the sponge, the arc-shaped adsorption portion 42 of the adjacent first stretching and adsorption component 4 adsorbs impurities. In this way, at the same time, the sponge located in the positioning and conveying seat 3 is abutted in a wave shape, which increases the degree of sponge deformation, improves the sponge cleaning effect, and also improves the cleaning efficiency to a certain extent.

[0030] refer to Figure 1 and Figure 2Specifically, the positioning and conveying seat 3 is fixed with a pressing component 32 at both ends of the sponge telescopic cleaning hole 31 for pressing and fixing the sponge in the positioning and conveying seat 3, so that the arc-shaped stretching part 41 pushes the sponge surface to stretch, thereby increasing the pores on the back of the sponge. The pressing component 32 includes a pressing cylinder 321 fixedly connected to the positioning and conveying seat 3 in the vertical direction and a pressing block 322 fixedly connected to the telescopic end of the pressing cylinder 321. The pressing block 322 has a circular structure. The circular structure of the pressing block 322 can reduce the interference with the arc-shaped stretching part 41 while ensuring the pressing effect, thereby increasing the range of sponge deformation and improving the cleaning effect of the sponge.

[0031] refer to Figure 1 and Figure 4 Specifically, the lifting and adjusting component 6 includes a locking adjustment seat 61 which is slidably connected to the upper base 1 and the lower base 2 along the vertical direction, and is used to fix the first stretch adsorption component 4 and the second stretch adsorption component 5 and adjust the distance between the first stretch adsorption component 4 and the second stretch adsorption component 5. A lifting component 62 is fixed on the upper base 1 to drive the locking adjustment seat 61 to slide along the vertical direction. A sliding groove 63 for the rotary motor 48 to slide is provided on the locking adjustment seat 61. A plurality of locking bolt holes 64 are provided on the upper side end of the locking adjustment seat 61. When the distance between the first stretch adsorption component 4 and the second stretch adsorption component 5 is adjusted, the rotary motor 48 is locked and fixed in the sliding groove 63 based on the locking bolt 65. Since the first stretch adsorption component 4 is fixed with a lifting component 62, the lifting component 62 is fixed on the upper base 1 to drive the locking adjustment seat 61 to slide along the vertical direction. The second stretching and adsorption component 5 is an irregular shape consisting of an arc-shaped stretching portion 41 and an arc-shaped adsorption portion 42. When the arc-shaped stretching portion 41 of the first stretching and adsorption component 4 abuts the sponge surface, the arc-shaped adsorption portion 42 of the second stretching and adsorption component 5, which alternates with it, needs to move to the position where the sponge is pushed and stretched to adsorb impurities. The relative positions of the first stretching and adsorption component 4 and the second stretching and adsorption component 5 and the positioning and conveying seat 3 are constantly adjusted by the lifting and adjustment component 6. On the one hand, the arc-shaped stretching portion 41 can be as close to the sponge as possible, thereby increasing the degree of deformation of the sponge due to abutment, thereby improving the impurity cleaning effect. On the other hand, the spacing between the first stretching and adsorption component 4 and the second stretching and adsorption component 5 can be adjusted to adapt to the cleaning needs of sponges of different thicknesses, thereby increasing the range of adaptation. In this embodiment, the lifting component 62 uses a lifting cylinder.

[0032] Brief description of the usage process: When cleaning the surface of the sponge, the sponge is pulled and transported in the positioning conveying seat 3, and then the sponge is pressed by the pressing component 32 so that the two ends of the sponge located in the sponge telescopic cleaning hole 31 are fixed. Then the first stretching adsorption component 4 and the second stretching adsorption component 5 are driven to rotate by the rotary motor 48. The arc-shaped stretching part 41 of the first stretching adsorption component 4 abuts against the surface of the sponge, and the sponge is pushed and stretched so that the pores on the back of the sponge are enlarged. At this time, the arc-shaped adsorption part 42 of the second stretching adsorption component 5 approaches the back of the sponge to absorb air. At the same time, the arc-shaped stretching part 41 blows air to the sponge so that the impurities in the sponge pores are sucked into the arc-shaped adsorption part 42 of the second stretching adsorption component 5, thereby promoting the discharge of impurities. When one side of the sponge After the impurities are cleaned, the first stretching and adsorption component 4 and the second stretching and adsorption component 5 are alternated, and the rotating motor 48 drives the arc-shaped stretching part 41 and the arc-shaped adsorption part 42 of the first stretching and adsorption component 4 and the second stretching and adsorption component 5 to exchange positions so that the arc-shaped stretching part 41 of the second stretching and adsorption component 5 is in contact with the surface of the sponge, and the sponge is pushed and stretched so that the pores on the back of the sponge are increased. At the same time, the arc-shaped adsorption part 42 of the first stretching and adsorption component 4 is close to the back of the sponge for air suction, and at the same time, the arc-shaped stretching part 41 of the second stretching and adsorption component 5 blows air toward the sponge so that the impurities in the sponge pores are sucked into the arc-shaped adsorption part 42 of the first stretching and adsorption component 4, thereby promoting the discharge of impurities, thereby completing the impurity cleaning on the upper and lower surfaces of the sponge.

[0033] This specific embodiment is merely an explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art may make creative modifications to this embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A surface cleaning device for sponge processing, comprising an upper base (1) and a lower base (2) arranged horizontally and spaced apart; characterized in that: A positioning conveying seat (3) for realizing sponge positioning conveying is detachably fixed between the upper base (1) and the lower base (2); a plurality of sponge telescopic cleaning holes (31) are evenly spaced apart on the positioning conveying seat (3) along the sponge conveying direction; a plurality of first stretching adsorption components (4) and second stretching adsorption components (5) for pushing the sponge out of the sponge telescopic cleaning holes (31) and adsorbing impurities on the sponge are symmetrically and alternately provided on the upper base (1) and the lower base (2); a lifting and lowering adjustment component (6) for adjusting the distance between the first stretching adsorption component (4) and the second stretching adsorption component (5) and the positioning conveying seat (3) so as to facilitate adsorption of impurities on the sponge is fixed on the upper base (1); The first stretching and adsorption component (4) and the second stretching and adsorption component (5) have the same structure, and both include an arc-shaped structure, a curved stretching portion (41) for rotating into the sponge telescopic cleaning hole (31) to push the sponge surface to stretch so as to increase the pores on the back of the sponge, and a curved adsorption portion (42) for adsorbing impurities in the sponge pores when the pores on the back of the sponge are increased. The curved stretching portion (41) and the curved adsorption portion (42) of the first stretching and adsorption component (4) and the second stretching and adsorption component (5) are used alternately, and an arc transition is formed between the curved stretching portion (41) and the curved adsorption portion (42); A plurality of blowing holes (43) and suction holes (44) are uniformly provided on the surfaces of the arc-shaped stretching portion (41) and the arc-shaped adsorption portion (42), and an air storage cavity (45) and an impurity adsorption cavity (46) are respectively provided in the arc-shaped stretching portion (41) and the arc-shaped adsorption portion (42), which are connected to the blowing holes (43) and the suction holes (44). The air storage cavity (45) is externally connected to an air delivery pump for delivering air to the air storage cavity (45) to assist impurities to be discharged from the enlarged pores on the back of the sponge. The impurity adsorption cavity (46) is externally connected to a negative pressure pump for forming a negative pressure in the impurity adsorption cavity (46) to assist impurities in the sponge pores to enter the impurity adsorption cavity (46) through the suction holes (44) for collection.

2. A surface cleaning device for sponge processing according to claim 1, characterized in that: The first stretching and adsorption component (4) and the second stretching and adsorption component (5) are fixedly provided with a rotating part (47) at the arc center position of the arc-shaped stretching part (41), and a rotating motor (48) is fixedly provided on the rotating part (47) for driving the first stretching and adsorption component (4) and the second stretching and adsorption component (5) to rotate.

3. A surface cleaning device for sponge processing according to claim 1, characterized in that: The positioning and conveying seat (3) is fixedly provided with a pressing assembly (32) at both ends of the sponge telescopic cleaning hole (31) for pressing and fixing the sponge in the positioning and conveying seat (3) so as to facilitate the arc-shaped stretching portion (41) to push the sponge surface to stretch, thereby increasing the pores on the back of the sponge. The pressing assembly (32) includes a pressing cylinder (321) fixedly connected to the positioning and conveying seat (3) along the vertical direction and a pressing block (322) fixedly connected to the telescopic end of the pressing cylinder (321), and the pressing block (322) is circular in structure.

4. A surface cleaning device for sponge processing according to claim 1, characterized in that: The adjacent first stretching and adsorption components (4) or second stretching and adsorption components (5) located on the same side of the positioning and conveying seat (3) have opposite motion states.

5. A surface cleaning device for sponge processing according to claim 2, characterized in that: The lifting and adjusting component (6) includes a locking adjustment seat (61) which is slidably connected to the upper base (1) and the lower base (2) along the vertical direction, and is used to fix the first stretching adsorption component (4) and the second stretching adsorption component (5) and adjust the distance between the first stretching adsorption component (4) and the second stretching adsorption component (5); and a lifting component (62) is fixed on the upper base (1) for driving the locking adjustment seat (61) to slide along the vertical direction.

6. A surface cleaning device for sponge processing according to claim 5, characterized in that: The locking adjustment seat (61) is provided with a sliding groove (63) for the rotating motor (48) to slide, and the upper side end of the locking adjustment seat (61) is provided with a plurality of locking bolt holes (64). When the spacing between the first stretching adsorption component (4) and the second stretching adsorption component (5) is adjusted, the rotating motor (48) is locked and fixed in the sliding groove (63) based on the locking bolts (65).

7. A surface cleaning device for sponge processing according to claim 5, characterized in that: The lifting assembly (62) uses a lifting electric cylinder.

8. A surface cleaning device for sponge processing according to claim 1, characterized in that: The length of the sponge conveyed in a single time in the positioning conveying seat (3) is no longer than the length of the sponge telescopic cleaning hole (31) along the conveying direction and no shorter than half the length of the sponge telescopic cleaning hole (31) along the conveying direction.

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