CN216679482U - Cover material blowing dust collector - Google Patents

Cover material blowing dust collector Download PDF

Info

Publication number
CN216679482U
CN216679482U CN202123304423.7U CN202123304423U CN216679482U CN 216679482 U CN216679482 U CN 216679482U CN 202123304423 U CN202123304423 U CN 202123304423U CN 216679482 U CN216679482 U CN 216679482U
Authority
CN
China
Prior art keywords
dust
motor
covering
collection cover
covering material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123304423.7U
Other languages
Chinese (zh)
Inventor
龚学国
刘同凯
白桂龙
张云
崔悦春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia Chuangyuan Metal Co ltd
Original Assignee
Inner Mongolia Chuangyuan Metal Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inner Mongolia Chuangyuan Metal Co ltd filed Critical Inner Mongolia Chuangyuan Metal Co ltd
Priority to CN202123304423.7U priority Critical patent/CN216679482U/en
Application granted granted Critical
Publication of CN216679482U publication Critical patent/CN216679482U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model discloses a covering material discharging and dust removing device, which comprises a supporting plate and a covering dust removing device, wherein the covering dust removing device is arranged, a carriage can be completely covered and prevented from dust under the matching of a fixed plate, a supporting frame and dustproof cloth, dust auxiliary adsorption treatment can be realized under the action of a dust collection cover and an air blower, quick conveying and recovery can be realized under the matching of a chute and a conveyor, so that the advantages of covering material covering dust adsorption and improvement of dust treatment effects are achieved, an adjusting component is arranged on the rear side of the dust collection cover, a driving rod can be driven under the transmission of a turntable and a sliding block to realize the adjustment of the adsorption angle of the dust collection cover, and the swing angle of the driving rod can be changed under the transmission of a speed reduction motor and a screw rod, so that the advantages of realizing the quick adjustment of the adsorption angle of the dust collection cover and the improvement of the adsorption efficiency are achieved.

Description

Cover material blowing dust collector
Technical Field
The utility model particularly relates to a covering material discharging and dust removing device, and relates to the field of covering material discharging and dust removing.
Background
At aluminium electrolytic process, need add the covering material in the electrolysis trough and keep warm, because the main raw materials of covering material is aluminium oxide or year fluorine aluminium oxide, and aluminium oxide has the characteristic of easily flying upward, consequently the covering material has a large amount of dusts to spill over when the blowing, the waste of material has not only been caused, destroy site environment, influence the equipment operation, it is healthy still seriously threatens operating personnel, in order to avoid the workplace dust to diffuse, often need set up blowing dust collector, come to carry out recovery processing to the diffuse dust.
At present when carrying out covering material blowing dust collector's use, the dust is retrieved not nimble enough, can't realize the cover in the carriage of unloading completely, and then leads to the dust of pouring out through the material pipe, still follows the carriage everywhere easily and covers to lead to the dust treatment effect relatively poor, dust collector can't be very abundant realization dust removal effect.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above defects, the utility model provides a covering material discharging and dust removing device.
The utility model is realized in such a way that a covering material discharging and dust removing device is constructed, the device comprises a supporting plate and a covering dust removing device, a contactless contactor is installed at the top of the left end of the front side of the supporting plate, the covering dust removing device is arranged at the lower end of a telescopic material pipe, the covering dust removing device comprises a fixed plate, a supporting frame, dustproof cloth, a dust collecting cover, a guide pipe, a chute, an air blower, a conveyor and an adjusting assembly, the fixed plate is connected with the outer side of a discharging shell, the left side and the right side of the fixed plate are fixedly connected with the supporting frame, the dustproof cloth is arranged on the outer side of the supporting frame, the dust collecting cover is arranged in the supporting frame, the upper end of the dust collecting cover is connected with the guide pipe, the upper end of the guide pipe is inserted into the chute, the air blower and the conveyor are respectively arranged in the chute, and the adjusting assembly is arranged at the rear side of the dust collecting cover.
Preferably, the adjusting component comprises a protective shell, a motor, a rotary table, a speed reduction motor, a screw rod, a sliding block and a driving rod, the rear side of the protective shell is fixedly connected with the supporting frame, the motor is arranged inside the protective shell, the front side of the motor is connected with the rotary table, the speed reduction motor is arranged inside the front side of the rotary table, the lower end of the speed reduction motor is connected with the screw rod, the lower end of the screw rod is connected with the sliding block in a threaded manner, the front side of the sliding block is connected with the driving rod in a sliding manner, and the middle of the lower end of the driving rod is connected with the dust collection cover.
Preferably, a direct current motor is arranged at the rear end of the top of the left side of the supporting plate, the front side of the direct current motor is connected with a winding drum, the winding drum is in fastening connection with the left side of the steel wire rope, the right side of the steel wire rope is attached to a guide roll frame, the lower end of the guide roll frame is fixedly connected with the supporting plate, the lower end of the steel wire rope is connected with a telescopic material pipe, the bottom of the telescopic material pipe is in fastening connection with a discharging shell, a feeding hole is formed in the upper end of the right side of the supporting plate, and a dust outlet is formed in the right side of the feeding hole in a facing mode.
Preferably, the dust collection cover, the guide pipe, the chute, the air blower and the conveyor are symmetrically arranged along the left and right sides of the upper end of the support frame, and one end of the lower end of the guide pipe is in a telescopic shape.
Preferably, the middle chute section is inclined upwards, and a conveyor is arranged at the inclined position of the middle chute section.
Preferably, protective housing, motor, carousel, gear motor, screw rod, slider and actuating lever all follow the inside left and right symmetrical setting of support frame to gear motor, screw rod and slider are the same straight line setting.
Preferably, the screw rod is in threaded connection with an internal thread formed in the slider, and the slider is in sliding connection with the middle of the front side of the turntable.
Preferably, the upper end of the front side of the driving rod is provided with a strip-shaped groove, and the inner wall of the groove formed in the driving rod is smooth and has no barb.
Preferably, the screw is made of stainless steel.
Preferably, the sliding block is made of carbon steel.
The utility model has the following advantages: the utility model provides a covering material discharging and dust removing device through improvement, which has the following improvement compared with the same type of equipment:
the method has the advantages that: according to the covering material discharging and dust removing device, due to the arrangement of the covering dust removing device, complete carriage covering and dust prevention can be achieved under the matching of the fixing plate, the supporting frame and the dustproof cloth, dust can be absorbed and treated under the action of the dust collection cover and the air blower, and the covering material can be conveyed and recovered quickly under the matching of the chute and the conveyor, so that the advantages that covering material covers dust absorption and the dust treatment effect is improved are achieved.
The method has the advantages that: according to the covering material discharging and dedusting device, the adjusting assembly is arranged on the rear side of the dust collection cover, the driving rod can be driven under the transmission of the rotary table and the sliding block to realize the adjustment of the adsorption angle of the dust collection cover, and the swing angle of the driving rod can be changed under the transmission of the speed reduction motor and the screw rod, so that the advantages of realizing the quick adjustment of the adsorption angle of the dust collection cover and improving the adsorption efficiency are achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front view of the dust collecting device of the present invention;
FIG. 3 is a schematic view of the interior of the chute in elevation view in accordance with the present invention;
FIG. 4 is a schematic front view of the internal structure of the adjustment assembly of the present invention;
fig. 5 is a perspective view of a portion of the adjustment assembly of the present invention.
Wherein: the device comprises a supporting plate-1, a contactless contactor-2, a direct current motor-3, a winding drum-4, a steel wire rope-5, a guide roller frame-6, a telescopic material pipe-7, a discharging shell-8, a feeding hole-9, a dust outlet-10, a covering and dust removing device-11, a fixing plate-111, a supporting frame-112, dustproof cloth-113, a dust collecting cover-114, a guide pipe-115, a chute-116, an air blower-117, a conveyor-118, an adjusting component-119, a protective shell-1191, a motor-1192, a rotary table-1193, a speed reducing motor-1194, a screw-1195, a slide block-1196 and a driving rod-1197.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the utility model provides a covering material discharging and dust removing device through improvement, which comprises a supporting plate 1 and a covering and dust removing device 11, wherein a contactless contactor 2 is mounted at the top of the left end of the front side of the supporting plate 1, a direct current motor 3 is arranged at the rear end of the top of the left side of the supporting plate 1, the front side of the direct current motor 3 is connected with a winding drum 4, the winding drum 4 is tightly connected with the left side of a steel wire rope 5, the right side of the steel wire rope 5 is attached to a guide roller frame 6, the lower end of the guide roller frame 6 is fixedly connected with the supporting plate 1, the lower end of the steel wire rope 5 is connected with a telescopic material pipe 7, the bottom of the telescopic material pipe 7 is tightly connected with a discharging shell 8, a feeding port 9 is formed in the upper end of the right side of the supporting plate 1, and a dust outlet 10 is formed in the right side of the feeding port 9.
Referring to fig. 2 and 3, the present invention provides a covering material discharging dust removing device by improvement, the covering dust removing device 11 is disposed at the lower end of the telescopic pipe 7, the covering dust removing device 11 includes a fixing plate 111, a supporting frame 112, a dust cloth 113, a dust collecting cover 114, a duct 115, a chute 116, an air blower 117, a conveyor 118 and an adjusting assembly 119, the fixing plate 111 is connected with the outer side of the discharging housing 8, the left and right sides of the fixing plate 111 are fastened and connected with the supporting frame 112, so that the fixing plate 111 realizes stable fixing activity, the dust cloth 113 is disposed at the outer side of the supporting frame 112, the dust collecting cover 114 is disposed inside the supporting frame 112, so that the dust cloth 113 realizes auxiliary dust preventing activity, the upper end of the dust collecting cover 114 is connected with the duct 115, the upper end of the duct 115 is inserted and connected with the chute 116, so that the dust collecting cover 114 is connected and sealed with the duct 115, the air blower 117 and the conveyor 118 are disposed inside the chute 116, adjusting part 119 sets up in dust collection cover 114 rear side, make and realize the swift adjustment of dust collection cover 114 angle through adjusting part 119, dust collection cover 114, pipe 115, chute 116, air-blower 117 all sets up along support frame 112 upper end left and right sides is symmetrical, make the supplementary part of retrieving in both sides use stable, and pipe 115 lower extreme one end is flexible form, chute 116 middle section is the tilt up form, and conveyor 118 is installed to chute 116 middle section slope department, make chute 116 and conveyor 118 cooperation realize retrieving the dust and carry.
Referring to fig. 4 and 5, the utility model provides a covering material discharging and dust removing device through improvement, the adjusting assembly 119 includes a protective shell 1191, a motor 1192, a turntable 1193, a decelerating motor 1194, a screw 1195, a slider 1196 and a driving rod 1197, the rear side of the protective shell 1191 is fixedly connected with the supporting frame 112, the motor 1192 is arranged inside the protective shell 1191, so that the protective shell 1191 realizes safety protection of internal parts, the front side of the motor 1192 is connected with the turntable 1193, the decelerating motor 1194 is arranged inside the front side of the turntable 1193, the lower end of the decelerating motor 1194 is connected with the screw 1195, the lower end of the screw 1195 is connected with the slider 1196 through a screw thread, so that the screw 1195 is stably connected with the slider 1196, the front side of the slider 1196 is slidably connected with the driving rod 1197, and the middle part of the lower end of the driving rod 1197 is connected with the dust collecting cover 114, so that the driving rod 1197 realizes synchronous driving of the dust collecting cover 114, and the protective shell 1191, the motor 1192, the motor 1194, the driving rod 1197, and the driving rod 1197, The turntable 1193, the reduction motor 1194, the screw 1195, the slider 1196 and the driving rod 1197 are symmetrically arranged along the left and right sides of the inside of the supporting frame 112, and the reduction motor 1194, the screw 1195 and the slider 1196 are arranged in the same straight line, so that the three parts of the reduction motor 1194, the screw 1195 and the slider 1196 are stably matched and move, the screw 1195 is in threaded connection with an internal thread arranged inside the slider 1196, the slider 1196 is in sliding connection with the middle of the front side of the turntable 1193, so that the screw 1195 and the slider 1196 realize threaded adjustment movement, a long strip-shaped groove is formed in the upper end of the front side of the driving rod 1197, and the inner wall of the groove formed by the driving rod 1197 is smooth and has no barb, so that the driving rod 1197 realizes smooth transmission adjustment, the screw 1195 is made of stainless steel, and the slider 1196 is made of carbon steel.
The utility model provides a covering material discharging and dedusting device through improvement, which operates as follows;
firstly, when the covering material discharging and dust removing device is used, the operation of arranging the direct current motor 3 at the rear end of the top of the left side of the supporting plate 1 can be realized through the contactless contactor 2 arranged at the top of the left end of the front side of the supporting plate 1, the failure rate of an electric element caused by dust influence can be reduced, the driving of the winding drum 4 connected with the front side can be realized along with the rotation of the winding drum 4 under the operation of the direct current motor 3, the rolling-out of the outer-side steel wire rope 5 can be realized, the steel wire rope 5 can realize the extension of the telescopic material pipe 7 connected with the lower end under the guiding matching of the guide roll frame 6, the feeding shell 8 at the bottom of the telescopic material pipe 7 is close to a carriage as much as possible, the phenomenon that more dust is generated by the material due to gravity can be avoided, the material can realize the discharging activity through the feeding port 9 arranged at the upper end of the right side of the supporting plate 1, and the dust outlet 10 arranged at the right side of the feeding port 9 can realize the rapid discharging of the dust, thereby realizing the stable discharging of the covering material;
secondly, when the covering material discharging and dedusting device is used, dust is not flexibly recycled, and the covering of an unloading compartment cannot be completely realized, so that dust poured out through a material pipe is easy to diffuse around the compartment, the dust treatment effect is poor, and the dedusting effect of the dedusting device cannot be sufficiently realized;
thirdly, the lower end of the telescopic material pipe 7 is provided with the covering and dedusting device 11, namely, under the action of the fixing plate 111, the supporting frame 112 and the dustproof cloth 113, the carriage can be completely covered, dust can be prevented from scattering around the inlet of the carriage, and under the cooperation of the dust collection covers 114 on the left side and the right side in the supporting frame 112 and the blower 117 in the chute 116, the dust scattered in the supporting frame 112 can be absorbed and recovered, so that the dust can fall onto the conveyor 118 arranged at the inclined position of the middle section of the chute 116 under the action of the blower 117, and then the dust can be transmitted to the outside through the cooperation of the conveyor 118 and the chute 116, and the dust can be collected and recycled, thereby achieving the advantages of covering material covering dust absorption and improving the dust treatment effect;
fourthly, in order to further improve the dust treatment effect, the adjusting component 119 is further arranged at the rear side of the dust collection cover 114, so that the adjustment of the adsorption angle of the dust collection cover 114 is realized, namely, the motor 1192 arranged in the protective shell 1191 is operated, the motor 1192 drives the turntable 1193 connected with the front side to rotate, and then the turntable 1193 rotates, and the slider is arranged at the front side of the turntable 1193, so that the left-right reciprocating driving of the driving rod 1197 in sliding connection with the front side can be realized, and the dust collection cover 114 connected with the middle part of the lower end of the driving rod 1197 can be inclined therewith, so that the change of the adsorption direction is realized, and the slider 1196 can be operated by the reducing motor 1194 along the screw 1195, so that the up-down adjustment is realized, the inclination angle of the driving rod 1197 is changed, the adjustment flexibility is improved, thereby achieving the advantages of realizing the quick adjustment of the adsorption angle of the dust collection cover 114 and improving the adsorption efficiency.
The utility model provides a covering material discharging and dust removing device through improvement, and the covering material discharging and dust removing device is provided, so that the carriage can be completely covered and prevented from dust under the matching of a fixing plate 111, a supporting frame 112 and dustproof cloth 113, dust auxiliary adsorption treatment can be realized under the action of a dust collection cover 114 and an air blower 117, quick conveying and recovery can be realized under the matching of a chute 116 and a conveyor 118, the advantages of covering material covering dust adsorption and improvement of dust treatment effects are achieved, an adjusting component 119 is arranged on the rear side of the dust collection cover 114, a driving rod 1197 can be driven under the transmission of a turntable 1193 and a sliding block 1196 to realize the adjustment of the adsorption angle of the dust collection cover 114, and the swing angle of the driving rod 1197 can be changed under the transmission of a reducing motor 1194 and a screw 1195, so that the advantages of quick adjustment of the adsorption angle of the dust collection cover 114 and the improvement of the adsorption efficiency are achieved.

Claims (8)

1. A covering material discharging and dedusting device comprises a supporting plate (1), wherein a contactless contactor (2) is mounted at the top of the left end of the front side of the supporting plate (1);
the method is characterized in that: the device is characterized by further comprising a covering and dust removing device (11), the covering and dust removing device (11) is arranged at the lower end of the telescopic material pipe (7), the covering and dust removing device (11) comprises a fixing plate (111), a supporting frame (112), dustproof cloth (113), a dust collection cover (114), a guide pipe (115), a chute (116), an air blower (117), a conveyor (118) and an adjusting assembly (119), the fixing plate (111) is connected with the outer side of the discharging shell (8), the left side and the right side of the fixing plate (111) are fixedly connected with the supporting frame (112), the dustproof cloth (113) is arranged on the outer side of the supporting frame (112), the dust collection cover (114) is arranged inside the supporting frame (112), the upper end of the dust collection cover (114) is connected with the guide pipe (115), the upper end of the guide pipe (115) is connected with the chute (116) in an inserting mode, the air blower (117) and the conveyor (118) are arranged inside the chute (116) respectively, the adjusting component (119) is arranged at the rear side of the dust collection cover (114).
2. The covering material discharging and dedusting device as claimed in claim 1, wherein: the adjusting component (119) comprises a protective shell (1191), a motor (1192), a turntable (1193), a reduction motor (1194), a screw (1195), a sliding block (1196) and a driving rod (1197), wherein the rear side of the protective shell (1191) is fixedly connected with the supporting frame (112), the motor (1192) is arranged inside the protective shell (1191), the front side of the motor (1192) is connected with the turntable (1193), the reduction motor (1194) is arranged inside the front side of the turntable (1193), the lower end of the reduction motor (1194) is connected with the screw (1195), the lower end of the screw (1195) is in threaded connection with the sliding block (1196), the front side of the sliding block (1196) is in sliding connection with the driving rod (1197), and the middle of the lower end of the driving rod (1197) is connected with the dust collection cover (114).
3. The covering material discharging and dedusting device as claimed in claim 1, wherein: backup pad (1) left side top rear end is provided with direct current motor (3) to direct current motor (3) front side is connected with reel (4), reel (4) and wire rope (5) left side fastening connection to wire rope (5) right side and guide roll frame (6) are laminated mutually, guide roll frame (6) lower extreme and backup pad (1) fixed connection, wire rope (5) lower extreme is connected with flexible material pipe (7) to flexible material pipe (7) bottom fastening connection has ejection of compact shell (8), feed inlet (9) have been seted up to backup pad (1) right side upper end to feed inlet (9) right side is opened relatively and is equipped with out dirt mouth (10).
4. The covering material discharging and dedusting device as claimed in claim 1, wherein: the dust collection cover (114), the guide pipe (115), the chute (116), the blower (117) and the conveyor (118) are symmetrically arranged along the left and right sides of the upper end of the support frame (112), and one end of the lower end of the guide pipe (115) is in a telescopic shape.
5. The covering material discharging and dedusting device as claimed in claim 1, wherein: the middle section of the chute (116) is inclined upwards, and a conveyor (118) is arranged at the inclined position of the middle section of the chute (116).
6. The covering material discharging and dedusting device as claimed in claim 2, wherein: the protective shell (1191), the motor (1192), the turntable (1193), the reducing motor (1194), the screw rod (1195), the sliding block (1196) and the driving rod (1197) are symmetrically arranged along the left and right inside the supporting frame (112), and the reducing motor (1194), the screw rod (1195) and the sliding block (1196) are arranged in the same straight line.
7. The covering material discharging and dedusting device as claimed in claim 2, wherein: the screw (1195) is in threaded connection with an internal thread arranged inside the sliding block (1196), and the sliding block (1196) is in sliding connection with the middle of the front side of the rotary table (1193).
8. The covering material discharging and dedusting device as claimed in claim 2, wherein: the drive rod (1197) front side upper end is seted up long banding recess to the recess inner wall that drive rod (1197) was seted up is smooth not have the barb.
CN202123304423.7U 2021-12-24 2021-12-24 Cover material blowing dust collector Active CN216679482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123304423.7U CN216679482U (en) 2021-12-24 2021-12-24 Cover material blowing dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123304423.7U CN216679482U (en) 2021-12-24 2021-12-24 Cover material blowing dust collector

Publications (1)

Publication Number Publication Date
CN216679482U true CN216679482U (en) 2022-06-07

Family

ID=81842966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123304423.7U Active CN216679482U (en) 2021-12-24 2021-12-24 Cover material blowing dust collector

Country Status (1)

Country Link
CN (1) CN216679482U (en)

Similar Documents

Publication Publication Date Title
CN215655393U (en) Metal waste recovery device
CN111687947A (en) Adjustable saw bit interval and dirt-proof wood cutting device
CN209934828U (en) Tin-containing waste material retrieves and uses filter equipment
CN115106607A (en) Metal welding wire feeding device
CN216679482U (en) Cover material blowing dust collector
CN213978307U (en) Recovery unit is tailor to development gauze rim charge
CN209550778U (en) A kind of novel steel tube cutter
CN208117936U (en) A kind of process equipment of the compound luggage of shock resistance polycarbonate
CN2754805Y (en) Protective shield of machine tool
CN207535008U (en) A kind of plank longitudinal direction trimming device for making passive type house wallboards
CN114433756B (en) Fixed-length cutting equipment for shielded cable recovery
CN212472325U (en) Wire and cable extruder feeding system
CN209851061U (en) Rock wool flies to saw integral type forming system within a definite time
CN207522747U (en) A kind of improved multi-sheet saw
CN211368063U (en) Detachable suction hood of sanding machine
CN220619562U (en) Cloth cutting machine with protection machanism
CN215356424U (en) Door and window processing frame forming device
CN217666789U (en) Bearing forging bar cutting material feeding unit
CN212711237U (en) Feeding machine for manufacturing vinyl chloride insulated cable
CN216772934U (en) Wire detects with abandonment electric wire processing apparatus
CN214516682U (en) A dust arrester for coal fuel is carried
CN218464612U (en) Feeding equipment for glass production
CN213592447U (en) Glass furniture panel grinding and polishing mechanical component
CN217963926U (en) Be used for clear useless powder automatic collection device of defeated powder passageway
CN218229870U (en) Store cabinet base band and hold in palm strip self-cleaning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant