CN216262566U

CN216262566U - Automatic dumping and cleaning garbage can equipment

Info

Publication number: CN216262566U
Application number: CN202123046515.XU
Authority: CN
Inventors: 王文方
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-12
Anticipated expiration: 2031-12-06

Abstract

The utility model belongs to the technical field of garbage can cleaning equipment, and particularly relates to automatic garbage can dumping and cleaning equipment, which comprises a cleaning machine shell with a cleaning inlet, wherein a sliding track is arranged in the cleaning machine shell, the front side of the head end of the sliding track is a cleaning placing area, the rear side of the head end of the sliding track is a garbage dumping area, a clamping device is connected onto the sliding track in a sliding mode, the clamping device can clamp a garbage can body in the cleaning placing area and overturn and dump at a certain angle to dump garbage in the garbage can into the garbage dumping area, and a cover body cleaning device, an outer can wall cleaning device and an inner can wall cleaning device are arranged in the cleaning machine shell. The garbage can cleaning and dumping device is high in automation degree, garbage can be dumped and cleaned automatically only by pushing the garbage can to the cleaning and placing area, meanwhile, garbage can be dumped into the garbage dumping area in a unified mode, the garbage can be collected quickly conveniently, manual garbage dumping and garbage can cleaning are not needed, and a large amount of labor cost is saved.

Description

Automatic dumping and cleaning garbage can equipment

The technical field is as follows:

the utility model belongs to the technical field of garbage can cleaning equipment, and particularly relates to equipment for automatically dumping and cleaning a garbage can.

Background art:

garbage cans, as a kind of garbage collection and recycling article for cities, streets and communities, must be cleaned regularly. Present garbage bin mainly is artifical the washing, has emptyd the rubbish in the garbage bin earlier promptly, is washed to dirty garbage bin's staving and lid by handheld high pressure cleaning squirt of cleaners and brush again, and handheld washing squirt abluent in-process, and dirty water splashes, and the sewage crossing current, and this not only can cause the influence to washing workman's healthy, moreover this kind of washing mode intensity of labour is big, waste time and energy and the cleaning efficiency is low.

The utility model content is as follows:

the utility model aims to provide equipment for automatically dumping and cleaning a garbage can, which can automatically dump and clean the garbage can without manual cleaning, and has high automation degree and high cleaning efficiency.

The utility model is realized by the following steps:

an automatic garbage can dumping and cleaning device comprises a cleaning machine shell with a cleaning inlet, wherein a sliding track with a head end extending out of the cleaning machine shell through the cleaning inlet is arranged in the cleaning machine shell, the front side of the head end of the sliding track is a cleaning and placing area for placing a garbage can, the rear side of the head end of the sliding track is a garbage dumping area for collecting garbage, a clamping device is connected to the sliding track in a sliding manner, the clamping device can clamp the garbage can body in the cleaning and placing area and overturn and dump the garbage can body in the garbage can by a certain angle so as to dump the garbage in the garbage can into the garbage dumping area, and the cover body of the garbage can naturally droops to be separated from the garbage can body, and a cover body cleaning device for cleaning the naturally drooping garbage can cover body, an outer can wall cleaning device for cleaning the outer wall surface of the garbage can body and an inner can wall cleaning device for cleaning the inner wall surface of the garbage can body are arranged in the cleaning machine shell positioned on the two sides of the sliding track.

In the above automatic garbage can dumping and cleaning equipment, a cleaning outlet is formed in the cleaning machine shell, a conveying belt device is arranged in the cleaning machine shell, the tail end of the conveying belt device extends out of the cleaning machine shell through the cleaning outlet, the head end of the conveying belt device corresponds to the tail end of the sliding rail, and the clamping device can place the clamped garbage can body on the conveying belt device and convey the garbage can body to the outside of the cleaning machine shell through the conveying belt device.

At foretell automatic dump and wash garbage bin equipment, clamping device is including sliding connection's centre gripping base on the slip track, and the centre gripping base is last from top to bottom swivelling joint has two centre gripping supports of relative parallel arrangement, and the front end of two centre gripping supports articulates the clamp arm group that has relative setting, and clamp arm group is including the preceding arm lock and the back arm lock of relative setting, and the inboard hinged end of preceding arm lock and back arm lock is provided with intermeshing's gear portion, and preceding arm lock and back arm lock are by a power device drive motion in opposite directions or motion dorsad.

At foretell automatic empty and wash garbage bin equipment, the slip track is linear rail, and including two direction slide bars that the interval set up around, clamping device sliding sleeve dress is on the direction slide bar or through a plurality of gyro wheel roll connection in the inboard of two direction slide bars, and the orbital head end of slip all rotates with the end and is connected with the transmission synchronizing wheel, and the cover is equipped with the hold-in range between two transmission synchronizing wheels, and clamping device fixes on the hold-in range, and one of them transmission synchronizing range is rotated by two drives of power device, and then drives clamping device through the hold-in range and slide on the direction slide bar.

At foretell automatic dumping and wash garbage bin equipment, lid belt cleaning device includes two lid brush axles that have the brush hair, forms between two lid brush axles and carries out abluent washing space to the naturally flagging garbage bin lid, and two lid brush axles are carried out the rotation in opposite directions by three drives of power device respectively.

At foretell automatic dumping and wash garbage bin equipment, outer bucket wall belt cleaning device is provided with rotary mechanism and the outer bucket wall brush axle that connects on rotary mechanism and have the brush hair including fixing the fixed baseplate on wasing the casing on the fixed baseplate, and outer bucket wall brush axle carries out circumferential direction by power device four drives, and drives outer bucket wall brush axle by rotary mechanism and around the outer wall circumferential direction of garbage bin staving.

At foretell automatic dumping and wash garbage bin equipment, rotary mechanism is including fixing the sun gear on fixed baseplate, run through and the swivelling joint has a rotating main shaft around being located the fixed baseplate of sun gear center department, the rear end and the swivelling drive source transmission of rotating main shaft are connected, and it is rotatory by the rotatory main shaft of swivel drive source drive, the front end of rotating main shaft and the one end fixed connection of connecting rod, the other end of connecting rod is articulated through the inner of center pin with the hinge lever, the outer end of hinge lever is connected with the swivelling joint seat that is used for connecting outer bucket wall brush axle, run through and the swivelling joint has the transmission shaft around the middle part of connecting rod, the rear end of transmission shaft is fixed with the planet wheel of being connected with the sun gear meshing, the front end is fixed with the eccentric wheel, the eccentric wheel is articulated with the one end of transfer line in eccentric wheel's eccentric department, the other end of transfer line articulates the middle part at the hinge lever.

At foretell automatic empty and wash garbage bin equipment, interior bucket wall belt cleaning device is including fixing on the washing casing and the telescopic machanism that can stretch out and draw back inside and outside, and telescopic machanism's flexible end department is connected with the interior bucket wall brush axle that has the brush hair, and interior bucket wall brush axle carries out circumferential direction by five drives of power device, and stretches into to the garbage bin internal from the opening part of garbage bin staving by telescopic machanism drive interior bucket wall brush axle.

At foretell automatic dumping and wash garbage bin equipment, telescopic machanism piles up the slide that sets up including flexible driving source and a plurality of, through slide rail sliding connection between the two adjacent slides, wash the slide fixed connection of casing and rearmost layer, flexible driving source is fixed on the slide of rearmost layer, and the output shaft of flexible driving source and adjacent corresponding slide fixed connection, the slide of foremost layer is fixed with the flexible base that is used for connecting bucket wall brush axle, between the continuous adjacent three slide in front and back, a logical groove has been seted up respectively at the slide both ends in intermediate level, has rotated through the bearing frame in the logical inslot and has been connected with the meshing gear, and the meshing is connected with drive chain between the two meshing gears, is provided with the transmission fixed block of fixing on drive chain around preceding one deck slide and the back one deck slide relatively.

Compared with the prior art, the utility model has the outstanding advantages that:

the garbage can cleaning and dumping device is high in automation degree, garbage can be dumped and cleaned automatically only by pushing the garbage can to the cleaning and placing area, meanwhile, garbage can be dumped into the garbage dumping area in a unified mode, the garbage can be collected quickly conveniently, manual garbage dumping and garbage can cleaning are not needed, and a large amount of labor cost is saved.

Description of the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a perspective view II of the whole device of the present invention;

FIG. 3 is a first perspective view of the cleanless enclosure and trash can of the present invention;

FIG. 4 is a second perspective view of the cleanless enclosure and trash can of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a structural view of the telescopic mechanism of the present invention.

In the figure: 1. cleaning the shell; 2. cleaning the inlet; 3. a sliding track; 4. cleaning the placing area; 5. a waste dumping zone; 6. a garbage can body; 7. a cover body of the garbage can; 8. cleaning the outlet; 9. a conveyor belt device; 10. Clamping the base; 11. clamping the bracket; 12. a front clamping arm; 13. a rear clamping arm; 14. a guide slide bar; 15. a transmission synchronizing wheel; 16. a synchronous belt; 17. a cover body brush shaft; 18. fixing the substrate; 19. an outer tub wall brush shaft; 20. A sun gear; 21. rotating the main shaft; 22. a connecting rod; 23. a hinge lever; 24. a planet wheel; 25. an eccentric wheel; 26. a transmission rod; 27. an inner barrel wall brush shaft; 28. a telescopic driving source; 29. a slide plate; 30. a slide rail; 31. A telescopic base; 32. a drive chain; 33. and a transmission fixing block.

The specific implementation mode is as follows:

the utility model will now be further described by way of specific examples, with reference to figures 1 to 6:

an automatic dumping and cleaning garbage can device comprises a cleaning machine shell 1 with a cleaning inlet 2, be equipped with the head end in the washing casing 1 and stretch out the slip track 3 outside the washing casing 1 through wasing import 2, the district 4 is placed for the washing of placing the garbage bin to the head end front side of slip track 3, the district 5 is emptyd for the rubbish of collecting rubbish to the rear side, sliding connection has clamping device on the slip track 3, clamping device can the centre gripping wash the garbage bin staving 6 of placing district 4 and overturn and empty certain angle in order to empty the rubbish in the garbage bin to the rubbish and empty the district 5, and 7 natural drooping of garbage bin lid and 6 separation of garbage bin staving, be equipped with in the washing casing 1 that is located slip track 3 both sides and carry out abluent lid belt cleaning device to naturally flagging garbage bin lid 7, outer bucket wall belt cleaning device to the outer wall washing of garbage bin staving 6, and to the abluent interior bucket wall belt cleaning device of 6 internal faces of garbage bin staving.

The cleaning process comprises the following steps: pushing the garbage can to the cleaning and placing area 4, clamping the garbage can body 6 on the cleaning and placing area 4 by the clamping device, and overturning and dumping the garbage can body at a certain angle, so that the garbage can cover 7 naturally droops and is separated from the garbage can body 6, and at the moment, the opening of the garbage can body 6 faces the garbage dumping area 5 to realize automatic dumping of garbage of the garbage can; subsequently, the clamping device drives the garbage can to keep the dumping angle to move into the cleaning machine shell 1 along the sliding rail 3, so that the garbage can cover 7 moves onto the cover cleaning device, and the garbage can body 6 moves onto the outer can wall cleaning device and the inner can wall cleaning device, and the garbage can cover 7 and the garbage can body 6 are cleaned.

Meanwhile, the cover body cleaning device, the outer barrel wall cleaning device and the inner barrel wall cleaning device are all provided with cleaning spray heads for spraying cleaning liquid to the garbage barrel cover body 7 or the garbage barrel body 6.

The garbage can cleaning and dumping device is high in automation degree, garbage can be dumped and cleaned automatically only by pushing the garbage can to the cleaning and placing area 4, meanwhile, garbage can be dumped into the garbage dumping area 5 in a unified mode, the garbage can be collected quickly conveniently, manual garbage dumping and garbage can cleaning are not needed, and a large amount of labor cost is saved.

Meanwhile, in order to improve the cleaning efficiency of the whole machine, a cleaning outlet 8 is formed in the cleaning machine shell 1, a conveying belt device 9 is arranged in the cleaning machine shell 1, the tail end of the conveying belt device 9 extends out of the cleaning machine shell 1 through the cleaning outlet 8, the head end of the conveying belt device 9 corresponds to the tail end of the sliding track 3, and the clamping device can place the clamped garbage can body 6 on the conveying belt device 9 and convey the garbage can body out of the cleaning machine shell 1 through the conveying belt device 9. The garbage bin after cleaning is driven by the clamping device to move to the tail end of the sliding rail 3 and turn over so that the garbage bin is placed at the front end of the conveying belt device 9, and the conveying belt device 9 drives the garbage bin to move out of the cleaning machine shell 1 through the cleaning outlet 8. The conveyor belt device 9 may be a conventional conveyor belt and a driving device for driving the conveyor belt to rotate.

Furthermore, the clamping device may also adopt a clamp device commonly available in the market, such as a suction chuck clamp or a robot clamp, and in this embodiment, the specific structure adopted by the clamping device is as follows: clamping device is including sliding connection's centre gripping base 10 on slip track 3, and centre gripping base 10 goes up down swivelling joint has two clamping support 11 of relative parallel arrangement, and the front end of two clamping support 11 articulates the clamp arm group that has relative setting, and clamp arm group is including the preceding arm lock 12 and the back arm lock 13 of relative setting, and the articulated end of preceding arm lock 12 and back arm lock 13 inboard is provided with intermeshing's gear portion, and preceding arm lock 12 and back arm lock 13 are by a power device drive motion in opposite directions or motion dorsad. The first power device can directly adopt a driving motor, namely the first power device drives the gear part to rotate, so that the front clamping arm 12 and the rear clamping arm 13 can move oppositely to clamp the garbage can body 6 or move backwards to put down the garbage can body 6; and after clamping the garbage can body 6, the clamping bracket 11 drives the whole garbage can to turn upwards so that the garbage can cover 7 naturally droops to be separated from the garbage can body 6.

Meanwhile, in order to enable the clamping device to be stably connected to the sliding track 3 in a sliding manner, the sliding track 3 is a linear track and comprises two guide slide bars 14 arranged at the front and back intervals, the clamping device is slidably sleeved on the guide slide bars 14 or is connected to the inner sides of the two guide slide bars 14 through a plurality of idler wheels in a rolling manner, the head end and the tail end of the sliding track 3 are respectively rotatably connected with a transmission synchronous wheel 15, a synchronous belt 16 is sleeved between the two transmission synchronous wheels 15, the clamping device is fixed on the synchronous belt 16, one of the transmission synchronous belts 16 is driven by a power device to rotate, and then the clamping device is driven by the synchronous belt 16 to slide on the guide slide bars 14, wherein the power device II can directly drive the common rotating motor or drive the transmission synchronous belt 16 to rotate through a gear.

Furthermore, in order to clean the inner and outer sides of the cover 7 of the garbage can, the cover cleaning device adopts the following specific structure: the cover body cleaning device comprises two cover body brush shafts 17 with brush hairs, a cleaning space for cleaning the naturally drooping garbage can cover body 7 is formed between the two cover body brush shafts 17, the two cover body brush shafts 17 are driven by a power device III to rotate oppositely, and the power device III can also adopt a common rotating motor to independently drive the corresponding cover body brush shafts 17 to rotate.

In addition, in order to circumferentially clean the outer wall surface of the garbage can body 6, the outer can wall cleaning device adopts the following specific structure: the outer barrel wall cleaning device comprises a fixed base plate 18 fixed on the cleaning machine shell 1, a rotating mechanism and an outer barrel wall brush shaft 19 which is connected to the rotating mechanism and provided with brush bristles are arranged on the fixed base plate 18, the outer barrel wall brush shaft 19 is driven by a power device to rotate circumferentially, and the rotating mechanism drives the outer barrel wall brush shaft 19 to rotate circumferentially around the outer wall surface of the garbage barrel body 6; similarly, the power unit four can use a common rotating motor to directly drive the rotation of the outer tub wall brush shaft 19.

Moreover, considering that the existing garbage can body 6 is a square structure, in order to enable the rotating mechanism to drive the outer can wall brush shaft 19 to circumferentially rotate along a square route, the rotating mechanism comprises a sun gear 20 fixed on a fixed base plate 18, a rotating main shaft 21 is connected to the fixed base plate 18 at the center of the sun gear 20 in a penetrating and rotating manner, the rear end of the rotating main shaft 21 is in transmission connection with a rotating drive source and is driven by the rotating drive source to rotate, the front end of the rotating main shaft 21 is fixedly connected with one end of a connecting rod 22, the other end of the connecting rod 22 is hinged with the inner end of a hinge rod 23 through a central shaft, the outer end of the hinge rod 23 is connected with a rotating motion base used for connecting the outer can wall brush shaft 19, the middle part of the connecting rod 22 is in a penetrating and rotating manner, the rear end of the transmission shaft is fixed with a planet gear 24 engaged with the sun gear 20, An eccentric wheel 25 is fixed at the front end, the eccentric position of the eccentric wheel 25 is hinged with one end of a transmission rod 26, and the other end of the transmission rod 26 is hinged with the middle part of the hinge rod 23.

Further, in order to clean the inner wall surface of the garbage can body 6, in this embodiment, the inner can wall cleaning device includes a telescopic mechanism which is fixed on the cleaning machine case 1 and can be extended and retracted inside and outside, the telescopic end of the telescopic mechanism is connected with an inner can wall brush shaft 27 with bristles, the inner can wall brush shaft 27 is driven by a power device to rotate circumferentially, and the inner can wall brush shaft 27 is driven by the telescopic mechanism to extend into the garbage can body 6 from the opening of the garbage can body 6.

And telescopic machanism can adopt the common telescopic cylinder on the market, and in this embodiment, the concrete structure that telescopic machanism adopted is: telescopic machanism piles up the slide 29 that sets up including flexible driving source 28 and a plurality of, through slide rail 30 sliding connection between two adjacent slides 29, wash casing 1 and rearmost layer slide 29 fixed connection, flexible driving source 28 is fixed on rearmost layer slide 29, and flexible driving source 28's output shaft and adjacent corresponding slide 29 fixed connection, foremost layer slide 29 is fixed with the flexible base 31 that is used for connecting bucket wall brush axle 27, between the continuous adjacent three slide 29 in front and back, a logical groove has been seted up respectively at the slide 29 both ends in intermediate level, it has been connected with the meshing gear to have rotated through the bearing frame in the logical inslot, and the meshing is connected with drive chain 32 between two meshing gears, preceding one deck slide 29 and back one deck slide 29 are provided with transmission fixed block 33 of fixing on drive chain 32 around the relative.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides an automatic empty and wash garbage bin equipment which characterized in that: including having washing casing (1) of wasing import (2), be equipped with the head end in washing casing (1) and stretch out slip track (3) outside washing casing (1) through wasing import (2), the head end front side of slip track (3) is for placing the washing of garbage bin and places district (4), the rear side is for dumping district (5) of dumping rubbish of collecting, sliding connection has clamping device on slip track (3), clamping device can the centre gripping wash garbage bin staving (6) of placing district (4) and overturn and empty certain angle in order to dump the rubbish in the garbage bin to rubbish dumping district (5), and garbage bin lid (7) naturally droop and garbage bin staving (6) separation, be equipped with the lid belt cleaning device who washs naturally flagging garbage bin lid (7) in the washing casing (1) that is located slip track (3) both sides, outer bucket wall belt cleaning device to garbage bin (6) outer wall surface washing, And an inner barrel wall cleaning device for cleaning the inner wall surface of the garbage barrel body (6).

2. An automatic dumping and cleaning trash can apparatus as claimed in claim 1, further comprising: the cleaning machine is characterized in that a cleaning outlet (8) is formed in the cleaning machine shell (1), a conveying belt device (9) with the tail end extending out of the cleaning machine shell (1) through the cleaning outlet (8) is arranged in the cleaning machine shell (1), the head end of the conveying belt device (9) corresponds to the tail end of the sliding track (3), and the clamping device can place the clamped garbage can body (6) on the conveying belt device (9) and convey the garbage can body to the outside of the cleaning machine shell (1) through the conveying belt device (9).

3. An automatic dumping and cleaning trash can apparatus as claimed in claim 1, further comprising: clamping device is including centre gripping base (10) of sliding connection on slip track (3), centre gripping base (10) are gone up down the rotation and are connected with two centre gripping supports (11) of relative parallel arrangement, the front end of two centre gripping supports (11) articulates the clamp arm group that has relative setting, clamp arm group is including preceding arm lock (12) and back arm lock (13) of relative setting, the articulated end of preceding arm lock (12) and back arm lock (13) inboard is provided with intermeshing's gear portion, preceding arm lock (12) and back arm lock (13) are by a power device drive phase motion or motion dorsad.

4. An automatic dumping and cleaning garbage can apparatus according to claim 1 or 3, wherein: the utility model discloses a slide rail (3) is including the slip track, the slip track (3) is linear rail, and including two direction slide bar (14) that the front and back interval set up, clamping device slip suit is on direction slide bar (14) or through the inboard of a plurality of gyro wheel roll connection at two direction slide bar (14), the head end and the end of slip track (3) all rotate and are connected with transmission synchronizing wheel (15), the cover is equipped with hold-in range (16) between two transmission synchronizing wheel (15), clamping device fixes on hold-in range (16), and one of them transmission hold-in range (16) are rotated by two drives of power device, and then drive clamping device through hold-in range (16) and slide on direction slide bar (14).

5. An automatic dumping and cleaning trash can apparatus as claimed in claim 1, further comprising: the cover body cleaning device comprises two cover body brush shafts (17) with bristles, a cleaning space for cleaning the naturally drooping garbage can cover body (7) is formed between the two cover body brush shafts (17), and the two cover body brush shafts (17) are driven by the power device three respectively to rotate in opposite directions.

6. An automatic dumping and cleaning trash can apparatus as claimed in claim 1, further comprising: the outer barrel wall cleaning device comprises a fixed base plate (18) fixed on a cleaning machine shell (1), wherein a rotating mechanism and an outer barrel wall brush shaft (19) which is connected to the rotating mechanism and provided with brush bristles are arranged on the fixed base plate (18), the outer barrel wall brush shaft (19) is driven by a power device to rotate circumferentially, and the rotating mechanism drives the outer barrel wall brush shaft (19) to rotate circumferentially around the outer wall surface of the garbage barrel body (6).

7. An automatic dumping and cleaning trash can apparatus according to claim 6, further comprising: the rotating mechanism comprises a sun wheel (20) fixed on a fixed base plate (18), a rotating main shaft (21) penetrates through and is connected with the fixed base plate (18) in a rotating mode in the center of the sun wheel (20) in a front-back penetrating mode, the rear end of the rotating main shaft (21) is connected with a rotating driving source in a transmission mode and is driven by the rotating driving source to rotate, the front end of the rotating main shaft (21) is fixedly connected with one end of a connecting rod (22), the other end of the connecting rod (22) is hinged with the inner end of a hinge rod (23) through a central shaft, the outer end of the hinge rod (23) is connected with a rotating motion seat used for being connected with an outer barrel wall brush shaft (19), the middle of the connecting rod (22) penetrates through and is connected with a transmission shaft in a rotating mode in a front-back penetrating mode, a planet wheel (24) in meshed connection with the sun wheel (20) is fixed at the rear end of the transmission shaft, an eccentric wheel (25) is fixed at the front end of the eccentric wheel (25), and the eccentric part of the eccentric wheel (25) is hinged with one end of the transmission rod (26), the other end of the transmission rod (26) is hinged at the middle part of the hinge rod (23).

8. An automatic dumping and cleaning trash can apparatus as claimed in claim 1, further comprising: interior bucket wall belt cleaning device is including fixing on wasing casing (1) and the telescopic machanism that can stretch out and draw back inside and outside, telescopic machanism's flexible end department is connected with interior bucket wall brush axle (27) that have the brush hair, and interior bucket wall brush axle (27) carry out circumferential direction by five drives of power device, and stretch into to the garbage bin staving (6) from the opening part of garbage bin staving (6) by telescopic machanism drive interior bucket wall brush axle (27).

9. An automatic dumping and cleaning trash can apparatus according to claim 8 and further comprising: the telescopic mechanism comprises a telescopic driving source (28) and a plurality of sliding plates (29) which are stacked, two adjacent sliding plates (29) are connected in a sliding way through a sliding rail (30), the cleaning machine shell (1) is fixedly connected with a sliding plate (29) at the rearmost layer, the telescopic driving source (28) is fixed on the sliding plate (29) at the rearmost layer, the output shaft of the telescopic driving source (28) is fixedly connected with the adjacent corresponding sliding plate (29), the sliding plate (29) at the foremost layer is fixed with a telescopic base (31) used for connecting an inner barrel wall brush shaft (27), through grooves are respectively arranged at two ends of the sliding plate (29) at the middle layer between three adjacent sliding plates (29) at the front and the back, and meshing gears are rotatably connected in the through grooves through bearing seats, and a transmission chain (32) is meshed and connected between the two meshed gears, and a transmission fixing block (33) fixed on the transmission chain (32) is arranged in front of and behind the front layer sliding plate (29) and the rear layer sliding plate (29) oppositely.