CN220028205U - Roller surface cleaning device - Google Patents
Roller surface cleaning device Download PDFInfo
- Publication number
- CN220028205U CN220028205U CN202320914255.3U CN202320914255U CN220028205U CN 220028205 U CN220028205 U CN 220028205U CN 202320914255 U CN202320914255 U CN 202320914255U CN 220028205 U CN220028205 U CN 220028205U
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- bottom plate
- brush roller
- supporting
- plate
- rough
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- 238000004140 cleaning Methods 0.000 title claims abstract description 34
- 230000001680 brushing effect Effects 0.000 claims abstract description 38
- 238000007605 air drying Methods 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 21
- 239000010985 leather Substances 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001054 cortical effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model relates to a roller surface cleaning device, and belongs to the technical field of strip steel production equipment and method in the metallurgical industry. The technical scheme of the utility model is as follows: the compressed air fixing device is arranged on the front bottom plate (1) and the rear bottom plate (2); the supporting devices are arranged on two sides of the front bottom plate (1) and the rear bottom plate (2) and are welded with the front bottom plate (1) and the rear bottom plate (2); the walking device is arranged at the outer sides of the front supporting plate (3) and the rear supporting plate (5); the spraying device is arranged at the front end of the front bottom plate (1); the brushing device consists of a coarse brushing roller device and a fine brushing roller device, wherein the coarse brushing roller device is arranged at the rear end of the front bottom plate (1), and the fine brushing roller device is arranged at the front end of the rear bottom plate (2); the dust collection and air drying device is arranged at the rear end of the rear bottom plate (2). The beneficial effects of the utility model are as follows: can carry out nondestructive cleaning to the roller surface to reach intensity of labour is little, clean effect is good and application scope is wide purpose.
Description
Technical Field
The utility model relates to a roller surface cleaning device, and belongs to the technical field of strip steel production equipment and method in the metallurgical industry.
Background
In the metallurgical industry, the roller is the most main rotating equipment in the strip steel production process, and the quality of the surface of the roller directly influences the quality of the strip steel because the roller is in direct contact with the strip steel. Long rolling can cause the roll surface to stick to metal residues, and if the roll surface is cleaned irregularly, the roll surface can solidify, so that the surface quality of the strip steel is poor. Conventional roller cleaning means are those in which one or more operators perform roller cleaning by hand during service, and the operators must scrub along the surface of the roller. The method has the problems that the cleaning effect is general, time and labor are wasted, and part of the positions cannot be cleaned.
Disclosure of Invention
The utility model aims to provide a roller surface cleaning device, which is used for cleaning a roller surface through the components of a spraying mechanism, a cleaning mechanism, a dust collection air drying mechanism, a supporting mechanism and a travelling mechanism, and compressed air is used for providing pressure vertical to the roller surface for a base of the cleaning device, so that the cleaning device can be completely attached to the surface of the roller, the roller surface can be cleaned in a nondestructive manner, the labor intensity is low, the cleaning effect is good, and the problems in the background art are solved.
The technical scheme of the utility model is as follows: the roller surface cleaning device comprises a front bottom plate, a rear bottom plate, a supporting device, a spraying device, a brushing device, a dust collection and air drying device, a traveling device and a compressed air fixing device, wherein the compressed air fixing device is arranged on the front bottom plate and the rear bottom plate; the supporting devices are arranged on two sides of the front bottom plate and the rear bottom plate and are welded with the front bottom plate and the rear bottom plate; the supporting device comprises a front supporting plate, a left supporting plate, a right supporting plate and a rear supporting plate, and the walking device is arranged on the outer sides of the front supporting plate and the rear supporting plate; the spraying device is arranged at the front end of the front bottom plate; the brushing device consists of a coarse brushing roller device and a fine brushing roller device, wherein the coarse brushing roller device is arranged at the rear end of the front bottom plate, and the fine brushing roller device is arranged at the front end of the rear bottom plate; the dust collection and air drying device is arranged at the rear end of the rear bottom plate and consists of a dust collection chamber and an air drying pipe.
And a camera is arranged in the middle of the outer side of the front supporting plate.
The compressed air fixing device comprises a compressed air stabilizing joint, a spring fork, a supporting wheel shaft and a leather supporting wheel, wherein the compressed air stabilizing joint is welded on the upper sides of the front base plate and the rear base plate in a triangular mode, the spring fork is arranged right below the compressed air stabilizing joint and is fixed on the lower sides of the front base plate and the rear base plate through threaded connection, and the leather supporting wheel is fixed on the spring fork through the supporting wheel shaft.
The walking device has the structure that: the sliding groove is welded and fixed on the outer sides of the front supporting plate and the rear supporting plate, the two sliding blocks are positioned in the sliding groove, the connecting structures between the two sliding blocks and the sliding groove are symmetrically identical, a spring is arranged between the left side of the left sliding block and the inner wall of the sliding groove, and a stop block is arranged on the inner wall of the sliding groove on the right side of the left sliding block; the upper ends of the two connecting rods are connected with the two sliding blocks through cylindrical pins respectively, and the middle positions of the two connecting rods are hinged together; the lower ends of the two connecting rods are respectively hinged with the upper side of the supporting rod, and the travelling wheels are fixed on the lower side of the supporting rod through supporting shafts; the outside of the supporting rod is fixedly provided with a walking motor through a bolt, and an output shaft of the walking motor and the supporting shaft are meshed and transmitted through a bevel gear.
The camera is fixed between two sliding grooves on the outer side of the front supporting plate.
The front bottom plate is provided with a rectangular spray hole, the spray pipe is welded and fixed with the rectangular spray hole, the spray nozzle is connected with the end part of the spray pipe through threads, and the spray nozzle and the front bottom plate are arranged at an included angle of 60 degrees.
The coarse brush roller device structure is as follows: the front bottom plate is provided with rectangular rough brush roll holes, the rough brush roll mud guard is completely welded on the edge line of the rectangular rough brush roll holes, and rough brush roll bearing seats are arranged on two sides of the rough brush roll mud guard to fix rough brush roll bearings, and the rough brush roll bearings support the rough brush roll to rotate; the coarse brush roller motor is fixed on the left side of the coarse brush roller mud guard, and an output shaft of the coarse brush roller motor and the coarse brush roller bearing are meshed and transmitted through a spiral gear; the coarse brush roller bearing is provided with a large belt pulley;
the thin brush roller device structure is: the rear bottom plate is provided with rectangular fine brush roller holes, the fine brush roller mud guard is completely welded on the edge line of the rectangular fine brush roller holes of the rear bottom plate, and fine brush roller bearing seats are arranged at two sides of the fine brush roller mud guard to fix fine brush roller bearings which support the fine brush roller to rotate; the small belt pulley is arranged on the thin brush roller bearing, and the small belt pulley is connected with the large belt pulley through a belt.
The material of the coarse brush roller and the fine brush roller is rubber roller, and the installation position is slightly lower than the upper bottom plate and the lower bottom plate.
The dust collection chamber comprises a vacuum chamber and a dust collection pipe, a rectangular dust collection hole is formed in the rear bottom plate, the vacuum chamber is completely welded on the edge line of the rectangular dust collection hole, a leather plate is arranged on the lower side of the vacuum chamber, and the dust collection pipe is welded in the middle of the vacuum chamber;
the back bottom plate is opened there is the rectangle forced air drying hole, and the forced air drying pipe is with air drying Kong Bianxian welded fastening, and the air drying nozzle passes through threaded connection with the forced air drying pipe, and the air drying nozzle is arranged perpendicularly with the back bottom plate.
Still contain regulating plate and stop and turn over the dog, the regulating plate is installed in the middle of preceding bottom plate and back bottom plate, and the locating nail of regulating plate inserts in the locating hole of preceding bottom plate and back bottom plate, and stop turns over the dog setting in the both sides of regulating plate.
The beneficial effects of the utility model are as follows: the cleaning device has the advantages that the cleaning device is cleaned through the components of the spraying mechanism, the cleaning mechanism, the dust collection and air drying mechanism, the supporting mechanism and the travelling mechanism, compressed air is adopted to provide pressure perpendicular to the roller surface for the base of the cleaning device, the cleaning device is ensured to be completely attached to the surface of the roller, the roller surface can be cleaned in a nondestructive mode, the labor intensity is low, and the cleaning effect is good.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a left side view of the present utility model;
in the figure: front floor 1, rear floor 2, front support plate 3, left and right support plates 4, rear support plate 5, cover plate 6, camera 7, chute 8, spring 9, slider 10, stopper 11, air release port 12, air intake port 13, cylindrical pin 14, connecting rod 15, support rod 16, support shaft 17, traveling wheel 18, traveling motor 19, bevel gear 20, shield 21, shower 22, spray nozzle 23, thick brush roller fender 24, thick brush roller bearing 25, thick brush roller bearing 26, thick brush roller 27, thick brush roller motor 28, spiral gear 29, large pulley 30, belt 31, regulating plate 32, anti-roll stopper 33, small pulley 34, thin brush roller bearing 35, thin brush roller bearing 36, thin brush roller fender 37, thin brush roller 38, vacuum chamber support plate 39, leather plate 40, dust suction pipe 41, air drying pipe 42, air drying nozzle 43, compressed air stabilization joint 44, spring fork 45, support wheel 46, leather support wheel 47.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are a small part of the embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
The roller surface cleaning device comprises a front bottom plate 1, a rear bottom plate 2, a supporting device, a spraying device, a brushing device, a dust collection and air drying device, a traveling device and a compressed air fixing device, wherein the compressed air fixing device is arranged on the front bottom plate 1 and the rear bottom plate 2; the supporting devices are arranged on two sides of the front bottom plate 1 and the rear bottom plate 2 and are welded with the front bottom plate 1 and the rear bottom plate 2; the supporting device comprises a front supporting plate 3, a left supporting plate 4, a right supporting plate 4 and a rear supporting plate 5, and the walking device is arranged outside the front supporting plate 3 and the rear supporting plate 5; the spraying device is arranged at the front end of the front bottom plate 1; the brushing device consists of a coarse brush roller device and a fine brush roller device, wherein the coarse brush roller device is arranged at the rear end of the front bottom plate 1, and the fine brush roller device is arranged at the front end of the rear bottom plate 2; the dust-absorbing and air-drying device is arranged at the rear end of the rear bottom plate 2 and consists of a dust-absorbing chamber and an air-drying pipe 42.
The middle position outside the front supporting plate 3 is provided with a camera 7.
The compressed air fixing device comprises a compressed air stabilizing joint 44, a spring fork 45, a supporting wheel shaft 46 and a leather supporting wheel 47, wherein the compressed air stabilizing joint 44 is welded on the upper sides of the front base plate 1 and the rear base plate 2 in a triangular shape, the spring fork 45 is arranged right below the compressed air stabilizing joint 44, the spring fork 45 is fixed on the lower sides of the front base plate 1 and the rear base plate 2 through threaded connection, and the leather supporting wheel 47 is fixed on the spring fork 45 through the supporting wheel shaft 46.
The walking device has the structure that: the sliding chute 8 is welded and fixed on the outer sides of the front supporting plate 3 and the rear supporting plate 5, two sliding blocks 10 are positioned in the sliding chute 8, the connecting structures between the two sliding blocks 10 and the sliding chute 8 are symmetrically identical, a spring 9 is arranged between the left side of the left sliding block and the inner wall of the sliding chute 8, and a stop block 11 is arranged on the inner wall of the sliding chute 8 on the right side of the left sliding block; the upper ends of the two connecting rods 15 are connected with the two sliding blocks 10 through cylindrical pins 14 respectively, and the middle positions of the two connecting rods 15 are hinged together; the lower ends of the two connecting rods 15 are respectively hinged with the upper side of the supporting rod 16, and the travelling wheels 18 are fixed on the lower side of the supporting rod 16 through supporting shafts 17; the outside of the support rod 16 is fixed with a walking motor 19 through a bolt, and an output shaft of the walking motor 19 and the support shaft 17 are meshed and driven through a bevel gear 20.
The camera 7 is fixed between two sliding grooves 8 on the outer side of the front supporting plate 3.
The front bottom plate 1 is provided with a rectangular spray hole, the spray pipe 22 is welded and fixed with the rectangular spray hole, the spray nozzle 23 is connected with the spray pipe 22 through threads, and the spray nozzle 23 is arranged at an included angle of 60 degrees with the front bottom plate 1.
The structure of the rough brush roller device is as follows: the front bottom plate 1 is provided with rectangular rough brushing roller holes, the rough brushing roller mud guard 24 is completely welded on the edge line of the rectangular rough brushing roller holes, and rough brushing roller bearing seats 25 are arranged on two sides of the rough brushing roller mud guard 24 to fix rough brushing roller bearings 26, and the rough brushing roller bearings 26 support the rough brushing roller 27 to rotate; the rough brush roller motor 28 is fixed on the left side of the rough brush roller mud guard 24, and an output shaft of the rough brush roller motor 28 and the rough brush roller bearing 26 are meshed and driven through a spiral gear 29; the coarse brushroll bearing 26 is fitted with a large pulley 30;
the structure of the fine brush roller device is as follows: the rear bottom plate 2 is provided with rectangular fine brush roller holes, fine brush roller mud guards 37 are completely welded on the edges of the rectangular fine brush roller holes of the rear bottom plate, fine brush roller bearing seats 35 are arranged on two sides of the fine brush roller mud guards 37 to fix fine brush roller bearings 36, and the fine brush roller bearings 36 support fine brush rollers 38 to rotate; a small pulley 34 is mounted on the fine brush roller bearing 36, and the small pulley 34 and the large pulley 30 are connected by a belt 31.
The material of the coarse brush roller 27 and the fine brush roller 38 is rubber roller, and the installation position is slightly lower than the upper base plate 1 and the lower base plate 2.
The dust collection chamber comprises a vacuum chamber and a dust collection pipe 41, a rectangular dust collection hole is formed in the rear bottom plate 2, the vacuum chamber is completely welded on the edge line of the rectangular dust collection hole, a leather plate 40 is arranged on the lower side of the vacuum chamber, and the dust collection pipe 41 is welded in the middle of the vacuum chamber;
the back bottom plate 2 is opened there is the rectangle forced air drying hole, and air-drying pipe 42 and air-drying Kong Bianxian welded fastening, and air-drying nozzle 43 passes through threaded connection with air-drying pipe 42, and air-drying nozzle 43 arranges with back bottom plate 2 perpendicularly.
The novel anti-overturning device further comprises an adjusting plate 32 and anti-overturning stop blocks 33, wherein the adjusting plate 32 is arranged between the front bottom plate 1 and the rear bottom plate 2, positioning nails of the adjusting plate 32 are inserted into positioning holes of the front bottom plate 1 and the rear bottom plate 2, and the anti-overturning stop blocks 33 are arranged on two sides of the adjusting plate 32.
And a camera is arranged in the middle of the outer side of the front supporting plate, image acquisition is carried out on the quality of the roller surface, and acquired pictures are transmitted to a handheld controller. The spraying device is arranged at the front end, the brushing device is arranged at the middle part, the dust collection and air drying device is arranged at the rear end, the supporting devices are arranged at two sides of the front bottom plate and the rear bottom plate and are completely connected with the front bottom plate and the rear bottom plate. The running gear is located the front support plate and the back support plate outside.
The use procedure in this embodiment is:
(1) The preparation stage: the brushing device is placed at the right upper end of the roller, the compressed air switch is turned on, compressed air reaches the inside of the compressed air connecting pipe through the pipeline, the injection amount is increased, the leather supporting wheels on the front bottom plate and the rear bottom plate are attached to the roller surface of the roller, the roller is controlled to rotate at a low speed, and the leather supporting wheels start to be driven.
(2) And (3) cleaning: after the preparation stage is completed, the injection amount of compressed air is continuously increased until the coarse brush roller and the fine brush roller are contacted with the roller surface of the roller, and the injection is stopped. And spraying the cleaning liquid pumped by the remote pump to the surface of the roller through a spray pipe and a spray nozzle. Meanwhile, the coarse brush roller motor starts to operate to drive the coarse brush roller to perform coarse brushing. When the coarse brush roller rotates, the belt drives the fine brush roller to rotate, so that fine brushing is performed. At this time, the dust collection and air drying device starts to work, the motor of the head of the remote dust collector supplies power, residual cleaning liquid on the surface of the roller and the cleaned impurities are sucked back into the barrel through the vacuum chamber and the pipeline, and dry compressed air is sprayed to the surface of the roller through the pipeline and the nozzle. The camera transmits the roller surface condition back to the handheld controller in real time so as to judge the brushing condition.
(3) And (3) moving: after the current track brushing is judged to be finished, the roller stops rotating, the compressed air injected into the compressed air connecting pipe is closed, and the relief valve is opened. At the same time, the blow-off valve of the running gear is closed and the inlet valve of the compressed air is opened. The air inlet is started at the outer side of the air cavity of the sliding block and moves towards the direction of the sliding groove stop block, the traveling wheels are cortical traveling wheels, the cortical traveling wheels fall along with the supporting rods in an arc shape until the brushing device is completely supported on the roller surface, and the pressure is kept to be constant. And then the running motor starts to run to drive the brushing device to integrally move to the next brushing track. After the leather travelling wheel walks to the next brushing track, the air inlet of the travelling device is closed, the air discharge port is opened, the compressed spring is restored, the sliding block is driven to move to two sides, the leather travelling wheel ascends in an arc shape along with the supporting rod, and finally, the leather travelling wheel is completely lifted and is far away from the roller surface.
(4) The preparation phase, the cleaning phase and the moving phase are repeated until the cleaning is completed.
In practical application, the utility model is placed right above the roller, and compressed air is adopted to provide pressure vertical to the roller surface for the front bottom plate and the rear bottom plate, so that the utility model can be fully attached to the surface of the roller. The working process is divided into: a preparation phase, a cleaning phase and a movement phase.
Claims (6)
1. The utility model provides a roll surface belt cleaning device which characterized in that: the dust collection and air drying device comprises a front bottom plate (1), a rear bottom plate (2), a supporting device, a spraying device, a brushing device, a dust collection and air drying device, a traveling device and a compressed air fixing device, wherein the compressed air fixing device is arranged on the front bottom plate (1) and the rear bottom plate (2); the two sets of supporting devices are respectively arranged at two sides of the front bottom plate (1) and the rear bottom plate (2) and are welded with the front bottom plate (1) and the rear bottom plate (2); the support device comprises a front support plate (3), a left support plate (4), a right support plate (4) and a rear support plate (5), and the walking device is arranged on the outer sides of the front support plate (3) and the rear support plate (5); the spraying device is arranged at the front end of the front bottom plate (1); the brushing device consists of a coarse brushing roller device and a fine brushing roller device, wherein the coarse brushing roller device is arranged at the rear end of the front bottom plate (1), and the fine brushing roller device is arranged at the front end of the rear bottom plate (2); the dust collection and air drying device is arranged at the rear end of the rear bottom plate (2) and consists of a dust collection chamber and an air drying pipe (42).
2. A roll surface cleaning apparatus as set forth in claim 1, wherein: the middle position of the outer side of the front supporting plate (3) is provided with a camera (7).
3. A roll surface cleaning apparatus as claimed in claim 1 or 2, wherein: the compressed air fixing device comprises a compressed air stabilizing joint (44), a spring fork (45), a supporting wheel shaft (46) and a leather supporting wheel (47), wherein the compressed air stabilizing joint (44) is welded on the upper sides of the front base plate (1) and the rear base plate (2) in a triangular mode, the spring fork (45) is arranged under the compressed air stabilizing joint (44), the spring fork (45) is fixed on the lower sides of the front base plate (1) and the rear base plate (2) through threaded connection, and the leather supporting wheel (47) is fixed on the spring fork (45) through the supporting wheel shaft (46).
4. A roll surface cleaning apparatus as claimed in claim 1 or 2, wherein: the walking device has the structure that: the sliding chute (8) is welded and fixed on the outer sides of the front supporting plate (3) and the rear supporting plate (5), two sliding blocks (10) are positioned in the sliding chute (8), the connecting structures between the two sliding blocks (10) and the sliding chute (8) are symmetrically identical, a spring (9) is arranged between the left side of the left sliding block and the inner wall of the sliding chute (8), and a stop block (11) is arranged on the inner wall of the sliding chute (8) on the right side of the left sliding block; the upper ends of the two connecting rods (15) are respectively connected with the two sliding blocks (10) through cylindrical pins (14), and the middle positions of the two connecting rods (15) are hinged together; the lower ends of the two connecting rods (15) are respectively hinged with the upper side of the supporting rod (16), and the travelling wheels (18) are fixed on the lower side of the supporting rod (16) through supporting shafts (17); the outside of the supporting rod (16) is fixedly provided with a walking motor (19) through a bolt, and an output shaft of the walking motor (19) and the supporting shaft (17) are in meshed transmission through a bevel gear (20).
5. A roll surface cleaning apparatus as set forth in claim 1, wherein: the front bottom plate (1) is provided with a rectangular spray hole, the spray pipe (22) is welded and fixed with the rectangular spray hole, the spray nozzle (23) is connected with the end part of the spray pipe (22) through threads, and the spray nozzle (23) is arranged at an included angle of 60 degrees with the front bottom plate (1).
6. The roller surface cleaning device according to claim 1, wherein the rough brushing device is structured as follows: the front bottom plate (1) is provided with rectangular rough brush roller holes, a rough brush roller mud guard (24) is completely welded on the edge line of the rectangular rough brush roller holes, rough brush roller bearing seats (25) are arranged on two sides of the rough brush roller mud guard (24) to fix rough brush roller bearings (26), and the rough brush roller bearings (26) support the rough brush roller (27) to rotate; the rough brush roller motor (28) is fixed on the left side of the rough brush roller mud guard (24), and an output shaft of the rough brush roller motor (28) and the rough brush roller bearing (26) are meshed and driven through a spiral gear (29); the coarse brush roller bearing (26) is provided with a large belt pulley (30);
the structure of the fine brush roller device is as follows: the rear bottom plate (2) is provided with rectangular fine brush roller holes, fine brush roller mud guards (37) are completely welded on the edges of the rectangular fine brush roller holes of the rear bottom plate, fine brush roller bearing blocks (35) are arranged on two sides of the fine brush roller mud guards (37) to fix fine brush roller bearings (36), and the fine brush roller bearings (36) support fine brush rollers (38) to rotate; a small belt pulley (34) is arranged on the fine brush roller bearing (36), and the small belt pulley (34) and the large belt pulley (30) are connected through a belt (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320914255.3U CN220028205U (en) | 2023-04-21 | 2023-04-21 | Roller surface cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320914255.3U CN220028205U (en) | 2023-04-21 | 2023-04-21 | Roller surface cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220028205U true CN220028205U (en) | 2023-11-17 |
Family
ID=88743045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320914255.3U Active CN220028205U (en) | 2023-04-21 | 2023-04-21 | Roller surface cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220028205U (en) |
-
2023
- 2023-04-21 CN CN202320914255.3U patent/CN220028205U/en active Active
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