CN110624663B - Medical waste smashing and sterilizing cabinet - Google Patents
Medical waste smashing and sterilizing cabinet Download PDFInfo
- Publication number
- CN110624663B CN110624663B CN201910851386.XA CN201910851386A CN110624663B CN 110624663 B CN110624663 B CN 110624663B CN 201910851386 A CN201910851386 A CN 201910851386A CN 110624663 B CN110624663 B CN 110624663B
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- cabinet body
- bearing seat
- door
- shaft
- bottom door
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- 239000002906 medical waste Substances 0.000 title claims abstract description 72
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 68
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 37
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 18
- 230000007306 turnover Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
- A61L2/06—Hot gas
- A61L2/07—Steam
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
Abstract
The invention discloses a medical waste smashing and sterilizing cabinet, which comprises: the cabinet body is arranged on the rack, the top of the cabinet body is provided with a feed inlet, the bottom of the cabinet body is provided with a discharge outlet, the side plates of the cabinet body are provided with steam inlets communicated with a steam source, the feed inlet is provided with a top door, the top door is driven by a top door driving assembly to open or close the feed inlet, the discharge outlet is provided with a bottom door, the bottom door is driven by the bottom door driving assembly to open or close the discharge outlet, two main shafts which are parallel to each other and movably supported in the cabinet body are arranged in the cabinet body, the shaft ends of each main shaft are respectively and movably and hermetically arranged on the corresponding side plates through shaft end sealing assemblies, a plurality of movable cutters are respectively and axially arranged on each main shaft at intervals, the movable cutters between the two main shafts are mutually staggered, and the two main shafts are driven by the main shaft driving assembly to simultaneously relatively rotate downwards, so that the movable cutters on the two main shafts can mutually cooperate to crush medical wastes. The invention has the advantages that: realize that the sterilization is carried out while breaking in the sterilization cabinet, improved sterilization effect and treatment efficiency.
Description
Technical Field
The invention relates to the technical field of medical waste crushing and sterilizing equipment, in particular to a medical waste crushing and sterilizing cabinet.
Background
Medical waste is different from common waste, has infectivity, pathology, injury, chemical property and the like, and if the medical waste directly flows into the environment, the pollution of atmosphere, water source, land and the like is easily caused, so that the physical and mental health of people is easily influenced, and the medical waste needs to be sterilized.
In the prior art, the treatment methods of medical waste mainly comprise an incineration method and a non-incineration method, wherein the non-incineration method mainly comprises the following methods: 1) Steam sterilization; 2) A pyrolysis treatment method; 3) A microwave treatment method; 4) A plasma method. The steam sterilization method is mature and can realize large-scale treatment, so that the method is widely applied in the prior art.
The steam sterilization method works on the principle that sterilization is performed at a certain pressure using latent heat released from steam, and the steam has a sufficient penetrating effect on the pulverized medical waste. At present, a mode of sterilizing and crushing is generally adopted in the steam sterilization method, specifically, medical waste is firstly sent into a sterilization cabin, then steam sterilization treatment is carried out on the medical waste, and after the treated medical waste reaches the specified safe discharge standard, the medical waste is sent into a special pulverizer for thorough pulverization. The defects of sterilization and then crushing are that: 1) The sterilization effect is poor, and particularly when the medical waste is relatively large, the steam is difficult to completely penetrate the medical waste; 2) Agglomeration in the sterilization process affects the normal operation of the subsequent discharging, conveying and crushing procedures. The sterilization cabinet used at present has the following defects: (1) The sterilization cabinet does not have the medical waste crushing function and cannot realize the sterilization while crushing the medical waste in the sterilization cabinet, so that the sterilization effect and the treatment efficiency of the medical waste are greatly influenced; (2) a locking mechanism of a cabinet door of the sterilization cabinet is as follows: 201721846403.3, however, the cabinet door locking device is inconvenient to operate, has poor locking effect on the cabinet door, is poor in use safety and stability, and high-pressure steam in the sterilizing cabinet is easy to flush open the cabinet door, so that sterilizing efficiency is affected.
Disclosure of Invention
The invention aims to provide a medical waste crushing and sterilizing cabinet capable of improving the sterilizing effect and the treatment efficiency of medical waste.
In order to achieve the above purpose, the invention adopts the following technical scheme: a medical waste crushing sterilization cabinet comprising: the cabinet body installed in the frame is provided with a feed inlet at the top of the cabinet body, a discharge outlet at the bottom of the cabinet body, a steam inlet communicated with a steam source is arranged on a side plate of the cabinet body, a top door is arranged at the feed inlet and driven by a top door driving assembly to open or close the feed inlet of the cabinet body, a bottom door is arranged at the discharge outlet and driven by the bottom door driving assembly to open or close the discharge outlet of the cabinet body, two mutually parallel spindles movably supported between opposite side plates of the cabinet body are arranged in the cabinet body, the shaft ends of each spindle are respectively movably and hermetically arranged on the corresponding side plate through a shaft end sealing assembly, a plurality of movable cutters are respectively arranged on each spindle at intervals along the axial direction, the movable cutters between the two spindles are mutually staggered, and the two spindles are driven by the spindle driving assembly to relatively rotate downwards at the same time, so that the movable cutters on the two spindles can mutually cooperate to cut and crush medical wastes.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: the structure of the spindle drive assembly includes: one side shaft ends of the two main shafts extend out of the corresponding side plates and are respectively sleeved with a gear, the two gears are positioned on the same side and are meshed with each other, one main shaft is driven to rotate by a speed reducing motor arranged on the frame, and the speed reducing motor drives the two main shafts to simultaneously and relatively rotate downwards through the two gears.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: the structure of the shaft end sealing assembly comprises: the bearing seat mounting hole is arranged on the side plate of the cabinet body, the bearing seat is mounted in the bearing seat mounting hole in a sealing way, a circle of pressing edge is arranged at the outer end of the bearing seat, a gland pressing the pressing edge of the bearing seat is arranged at the outer side of the bearing seat, the gland and the bearing seat are mounted on the side plate through a plurality of locking bolts, and the gland presses the pressing edge of the bearing seat tightly against the outer wall of the side plate, so that a gap between the bearing seat and the side plate is sealed; the main shaft end is sequentially sleeved with a shaft sleeve extending into the bearing seat and a bearing arranged in the bearing seat from inside to outside along the axial direction, the main shaft end is movably supported on a corresponding side plate of the cabinet body through the matching of the bearing and the bearing seat, a first sealing groove is arranged on the inner wall of the shaft sleeve, a first sealing ring used for sealing a gap between the shaft sleeve and the main shaft end is arranged in the first sealing groove, a second sealing groove and a third sealing groove are sequentially arranged on the inner wall of the bearing seat from outside to inside along the axial direction, a second sealing ring is arranged in the second sealing groove, a cavity is formed between the second sealing ring and the second sealing groove, an inflation channel for communicating the cavity and an air source is arranged in the bearing seat, when the air source injects air into the cavity through the inflation channel, the air in the cavity is inwards extruded on the shaft sleeve to enable the second sealing ring to seal the gap between the bearing seat and the shaft sleeve, and a plurality of framework oil seals which are axially laminated together and are used for sealing the gap between the bearing seat and the shaft sleeve are arranged in the third sealing groove;
further, the aforementioned medical waste crushing sterilization cabinet, wherein: the structure of the bottom door driving assembly includes: one end of the bottom door is hinged to a frame at the discharge port of the cabinet body through a first rotating shaft, a mounting seat is arranged below the bottom door, a roll-over stand is arranged on the mounting seat and hinged to the mounting seat through a second rotating shaft, two ends of the roll-over stand are respectively provided with a driving end and a supporting end, the driving end and the supporting end of the roll-over stand are distributed on two sides of the second rotating shaft, a lifting screw rod is vertically and movably supported on the frame at the driving end side of the roll-over stand, the lifting screw rod is driven to rotate by a reducing motor, a lifting block is connected to the lifting screw rod in a threaded manner, a horizontal waist hole is arranged on the lifting block, a pin roll which is positioned in the horizontal waist hole and can move along the horizontal waist hole is arranged at the driving end of the roll-over stand, the roll-over stand is hinged to the lifting block through the pin roll, the supporting end of the roll-over stand always upwards supports the bottom door which downwards rotates around the first rotating shaft due to self weight, and the roll-over stand can drive the bottom door to upwards rotate to close the discharge port of the cabinet body or drive the bottom door to downwards rotate to open the discharge port of the cabinet body under the cooperation of the reducing motor, the lifting screw rod and the lifting block; an inward concave notch is formed in the outer end face, far away from the first rotating shaft, of the bottom door, a positioning block opposite to the notch is arranged on a frame corresponding to the notch when the bottom door rotates to close the discharging hole of the cabinet body, and the positioning block can be inserted into or withdrawn from the notch under the drive of the translation assembly.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: the structure of translation subassembly includes: the bottom door is rotated to the frame that this notch corresponds when closing cabinet body discharge gate and is provided with the fixing base just to the notch, is provided with the screw hole on the fixing base, and threaded connection has a translation lead screw in the screw hole, and the locating piece is installed in the one end that the translation lead screw is close to the notch, and the one end that the translation lead screw kept away from the notch is provided with adjusting handle.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: the end part of the positioning block, which is used for being inserted into the notch, is a conical end with gradually reduced caliber.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: the supporting end of the roll-over stand is provided with a roller seat which is hinged on the roll-over stand through a third rotating shaft, and a plurality of rollers which are used for rolling contact with the bottom door are movably supported on the roller seat.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: a circle of fourth sealing groove surrounding the discharge port of the cabinet body is arranged on the upper end face of the bottom door, which is contacted with the end face of the discharge port of the cabinet body, and sealing strips are embedded in the fourth sealing groove.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: the structure of the top door driving assembly comprises: a pair of guide grooves are symmetrically arranged on the opposite inner walls of a frame on two sides of a feeding hole of a cabinet body, pulleys which are arranged in the guide grooves and can move along the guide grooves are respectively arranged at two ends of a top door, the top door is arranged on the frame in a sliding manner through the cooperation of the pulleys and the guide grooves, a mounting frame is further arranged on the frame at the feeding hole of the cabinet body, a servo motor is arranged on the mounting frame, an output shaft of the servo motor is connected with a screw rod, the screw rod horizontally penetrates the top door and is in threaded connection with the top door, and the servo motor drives the screw rod to rotate forwards or reversely, so that the top door is driven to move along the screw rod to open or close the feeding hole.
Further, the aforementioned medical waste crushing sterilization cabinet, wherein: a circle of fifth sealing groove surrounding the feeding port is arranged on the end face of the feeding port of the cabinet body, which is contacted with the top door, a sealing strip is embedded in the fifth sealing groove, and when the top door closes the feeding port of the cabinet body, the top door is just pressed on the sealing strip on the end face of the feeding port to seal a gap between the top door and the cabinet body.
Through implementation of the technical scheme, the invention has the beneficial effects that: (1) The sterilizing cabinet has the advantages that the structure is simple, the operation is convenient, the sterilizing cabinet has the medical waste crushing function, and the sterilization can be realized while the crushing is carried out in the sterilizing cabinet, so that the sterilizing effect and the treatment efficiency are greatly improved; (2) The medical waste and gas in the crushing and sterilizing cabinet can not leak outside the cabinet body from the gap between the main shaft of the crushing mechanism and the side plate of the cabinet body, the bottom door and the top door are reliably locked, the medical waste and gas in the cabinet body can not leak outside the cabinet body from the feed inlet and the discharge outlet, the use safety and the operation stability of the equipment are high, the sterilizing effect is guaranteed, and the discharging is convenient.
Drawings
Fig. 1 is a schematic structural view of a medical waste crushing and sterilizing cabinet according to the present invention.
Fig. 2 is a schematic diagram of the positional relationship of two gears in the left-view direction of fig. 1.
Fig. 3 is a schematic diagram showing the positional relationship of the movable blade between the two spindles in the plan view of fig. 1.
Fig. 4 is an enlarged schematic view of the H site shown in fig. 1.
Fig. 5 is a schematic view of the bottom door of fig. 1 when the discharge port is opened.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1, 2, 3, 4 and 5, the medical waste crushing and sterilizing cabinet comprises: the medical waste smashing machine comprises a cabinet body 2 arranged on a frame 1, wherein a feed inlet 3 is arranged at the top of the cabinet body 2, a discharge outlet 4 is arranged at the bottom of the cabinet body, a steam inlet 5 communicated with a steam source is arranged on a side plate 21 of the cabinet body 2, a top door 6 is arranged at the feed inlet 3, the top door 6 is driven by a top door driving assembly to open or close the feed inlet 3 of the cabinet body 2, a bottom door 7 is arranged at the discharge outlet 4, the bottom door 7 is driven by the bottom door driving assembly to open or close the discharge outlet 4 of the cabinet body 2, two parallel main shafts 8 which are movably supported between opposite side plates 21 of the cabinet body 2 are arranged in the cabinet body 2, the shaft ends of each main shaft 8 are movably and hermetically arranged on the corresponding side plate 21 through shaft end sealing assemblies, a plurality of movable cutters 9 are respectively arranged on each main shaft 8 at intervals along the axial direction, the movable cutters 9 between the two main shafts 8 are mutually staggered, and the two main shafts 8 are driven by the main shaft driving assembly to relatively rotate downwards, so that the movable cutters 9 on the two main shafts 8 can mutually cooperate to cut and smash medical waste;
in this embodiment, the structure of the spindle drive assembly includes: one side shaft ends of the two main shafts 8 extend out of the corresponding side plates 21 and are respectively sleeved with a gear 81, the two gears 81 are positioned on the same side and meshed with each other, one main shaft 8 is driven to rotate by a first gear motor 82 arranged on the frame 1, the first gear motor 82 drives the two main shafts 8 to simultaneously and relatively rotate downwards through the two gears 81, and the main shaft driving assembly is simple in structure and convenient to install and maintain;
in this embodiment, since the shaft end seal assemblies of the shaft ends on each side of the two main shafts 3 are identical in structure, the structure of the shaft end seal assembly on one side of the shaft end is described below as an example, and the structure of the shaft end seal assembly includes: the bearing seat mounting hole is formed in the side plate 21 of the cabinet body 2, the bearing seat 10 is mounted in the bearing seat mounting hole in a sealing manner, a circle of pressing edge 11 is arranged at the outer end of the bearing seat 10, a pressing cover 12 which is pressed on the pressing edge 11 of the bearing seat 10 is arranged at the outer side of the bearing seat 10, the pressing cover 12 and the bearing seat 10 are mounted on the side plate 21 through a plurality of locking bolts 13, and the pressing cover 12 tightly presses the pressing edge 11 of the bearing seat 10 on the outer wall of the side plate 21, so that a gap between the bearing seat 10 and the side plate 21 is sealed; the shaft end of the main shaft 8 is sequentially sleeved with a shaft sleeve 14 extending into the bearing seat 10 and a bearing 15 arranged in the bearing seat 10 from inside to outside along the axial direction, the shaft end of the main shaft 8 is movably supported on a corresponding side plate 21 of the cabinet body 2 through the matching of the bearing 15 and the bearing seat 10, a first sealing groove is arranged on the inner wall of the shaft sleeve 14, a first sealing ring 16 used for sealing a gap between the shaft sleeve 14 and the shaft end of the main shaft 8 is arranged in the first sealing groove, a second sealing groove and a third sealing groove are sequentially arranged on the inner wall of the bearing seat 10 from outside to inside along the axial direction, a second sealing ring 17 is arranged in the second sealing groove, a cavity 18 is formed between the second sealing ring 17 and the second sealing groove, an inflation channel 20 used for communicating the cavity 18 and an air source 19 is arranged in the bearing seat 10, when the air source 19 injects air into the cavity 18 through the inflation channel 20, the air in the cavity 18 is inwards extruded onto the shaft sleeve 14, so that the second sealing ring 17 seals a gap between the bearing seat 10 and the shaft sleeve 14, a plurality of skeletons 22 axially stacked together and used for sealing the gap between the bearing seat 10 and the shaft sleeve 14 are arranged in the third sealing groove;
after the shaft end of the main shaft is sealed by adopting the shaft end sealing assembly, quadruple sealing protection is formed at the shaft end of the main shaft, the first resealing protection is realized by a gland 12, and the gland 12 tightly presses the pressing edge 11 of the bearing seat 10 on the outer wall of the side plate 21, so that the gap between the bearing seat 10 and the side plate 21 is sealed; the second sealing protection is realized by an air source 19, an air charging channel 20, a second sealing ring 17 and a cavity 18 formed between the second sealing ring 17 and the second sealing groove, wherein the air source 19 charges air into the cavity 18 through the air charging channel 20, and the air charged into the cavity 18 can be inwards extruded on the shaft sleeve 14 towards the second sealing ring 17, so that the second sealing ring 17 seals a gap between the bearing seat 10 and the shaft sleeve 14; the third triple seal protection is realized by a plurality of framework oil seals 22 which are axially laminated together and are arranged in a third seal groove, and gaps between the bearing seat 10 and the shaft sleeve 14 are further effectively sealed through the framework oil seals 22; the fourth sealing protection is realized by a first sealing ring 16 arranged in the first sealing groove, and a gap between the shaft sleeve 14 and the shaft end of the corresponding main shaft 8 is sealed by the first sealing ring 16; the main shaft sealing structure has the advantages that the structure is simple, the disassembly and the maintenance are convenient, the multiple sealing is adopted, the sealing effect is good, medical wastes and gases in the cabinet body can be effectively prevented from escaping from the gap between the main shaft and the cabinet body, and the operation stability and the use safety of the equipment are improved;
in this embodiment, the structure of the bottom door driving assembly includes: one end of the bottom door 7 is hinged on the frame 1 at the discharge hole 4 of the cabinet body 2 through a first rotating shaft 23, an installation seat 24 is arranged below the bottom door 7, a roll-over stand 25 is arranged on the installation seat 24, the roll-over stand 25 is hinged on the installation seat 24 through a second rotating shaft 26, two ends of the roll-over stand 25 are respectively provided with a driving end 251 and a supporting end 252, the driving end 251 and the supporting end 252 of the roll-over stand 25 are distributed on two sides of the second rotating shaft 26, a lifting screw rod 27 is vertically and movably supported on the frame 1 at the driving end side 251 of the roll-over stand 25, the lifting screw rod 27 is driven to rotate by a driving assembly, and in the embodiment, the driving assembly is a second speed reducing motor 28 with an output shaft connected with the lifting screw rod 27, so that the automation level of equipment can be improved, and the working efficiency is improved; the lifting screw rod 27 is in threaded connection with a lifting block 29, a horizontal waist hole 30 is arranged on the lifting block 29, a pin shaft 31 which is positioned in the horizontal waist hole 30 and can move along the horizontal waist hole 30 is arranged at the driving end 251 of the turnover frame 25, the turnover frame 25 is hinged with the lifting block 29 through the pin shaft 31, the supporting end 252 of the turnover frame 25 always supports upwards the bottom door 7 which rotates downwards around the first rotating shaft 23 due to self weight, and the supporting end 252 of the turnover frame 25 can drive the bottom door 7 to rotate upwards to close the discharge hole 4 of the cabinet 2 or drive the bottom door 7 to rotate downwards to open the discharge hole 4 of the cabinet 2 under the cooperation of the second reducing motor 28, the lifting screw rod 27 and the lifting block 29; an inward concave notch 32 is formed in the outer end face, far away from the first rotating shaft 23, of the bottom door 7, a positioning block 33 opposite to the notch 32 is arranged on the frame 1 corresponding to the notch 32 when the bottom door 7 rotates to close the discharge hole 4 of the cabinet body 2, the positioning block 33 can be inserted into or withdrawn from the notch 32 under the drive of a translation assembly, the bottom door driving assembly is simple in structure, convenient to install and maintain, reliable in locking of the bottom door, high in use safety and stability and convenient to discharge;
in this embodiment, the structure of the translation assembly includes: when the bottom door 7 rotates to close the discharge hole 4 of the cabinet body 2, a fixed seat 34 which is opposite to the notch 32 is arranged on the rack 1 corresponding to the notch 32, a threaded hole is arranged on the fixed seat 34, a translation screw rod 35 is connected in the threaded hole in a threaded manner, a positioning block 33 is arranged at one end of the translation screw rod 35, which is close to the notch 32, an adjusting hand wheel 36 is arranged at one end of the translation screw rod 35, which is far away from the notch 32, and the adjusting hand wheel 36 is rotated, so that the translation screw rod 35 can move along the threaded hole of the fixed seat 34, and the positioning block 33 is driven to be inserted into or withdrawn from the notch 32 on the bottom door 7;
in this embodiment, the end of the positioning block 33, which is used for being inserted into the notch 32, is a tapered end with a gradually reduced caliber, so that the positioning block can be conveniently and rapidly inserted into the notch, and the use is more convenient; in the embodiment, the roller seat 37 is arranged at the supporting end 252 of the roll-over stand 25, the roller seat 37 is hinged on the roll-over stand 25 through the third rotating shaft 38, and the roller seat 37 is movably supported with a plurality of rollers 39 for rolling contact with the bottom door 7, so that the bottom door can be better protected, the bottom door is prevented from being damaged by the roll-over stand, and the operation is more convenient; in this embodiment, a circle of sealing groove surrounding the discharge port 4 of the cabinet 2 is provided on the upper end surface of the bottom door contacting with the end surface of the discharge port 4 of the cabinet 2, and a first sealing strip 40 is embedded in the sealing groove, when the bottom door 7 closes the discharge port 4 of the cabinet 2, the first sealing strip 40 on the bottom door 7 presses against the end surface of the discharge port 4 of the cabinet 2 to seal the gap between the bottom door 7 and the cabinet 2, so that the sealing effect of the bottom door and the cabinet can be improved, and the stability and the safety of use of the device can be improved;
in this embodiment, the structure of the top door driving assembly includes: a pair of guide grooves are symmetrically formed in the opposite inner walls of the frame 1 on the two sides above the feed inlet 3 of the cabinet body 2, pulleys which are positioned in the guide grooves and can move along the guide grooves are respectively arranged at the two ends of the top door 6, the top door is arranged on the frame 1 in a sliding manner through the cooperation of the pulleys and the guide grooves, a mounting frame 41 is further arranged on the frame 1 at the feed inlet 3 of the cabinet body 2, a servo motor 42 is arranged on the mounting frame 41, the output shaft of the servo motor 42 is connected with a screw 43, the screw 43 horizontally penetrates through the top door 6 and is in threaded connection with the top door 6, and the servo motor 42 drives the screw 43 to rotate forward or reversely, so that the top door 6 is driven to move along the screw 43 to open or close the feed inlet 3; in this embodiment, a circle of fifth sealing groove surrounding the feed inlet 3 is provided on the end surface of the feed inlet 3 of the cabinet body contacted with the top door 6, and a second sealing strip 44 is embedded in the fifth sealing groove, when the top door closes the feed inlet 3 of the cabinet body, the top door 6 is just pressed on the second sealing strip 44 on the end surface of the feed inlet 3 to seal the gap between the top door 6 and the cabinet body 2, so that the sealing effect of the cabinet body can be further improved, and the stability and the safety of use of the equipment are further improved;
the working principle of the invention is as follows:
when in use, the bottom door 7 is closed to the discharge port 4, and the specific operation is as follows:
firstly, the second gear motor 28 drives the lifting screw rod 27 to rotate positively, when the lifting screw rod 27 rotates positively, the lifting block 29 gradually moves downwards along the lifting screw rod 27, in the process of the downward movement of the lifting block 29, the driving end 251 of the turnover frame 25 is driven by the pin shaft 31 to rotate downwards around the second rotating shaft 26, so that the supporting end 252 of the turnover frame 25 rotates upwards around the second rotating shaft 26, in the process of the upward rotation of the supporting end 252 of the turnover frame 25, the supporting end 252 of the turnover frame 25 synchronously pushes the bottom door 7 to rotate upwards around the first rotating shaft 23 through the roller 39 on the roller seat 37 until the bottom door 7 rotates upwards to close the discharge port 4 of the cabinet 2, when the bottom door 7 closes the discharge port 4 of the cabinet 2, the action of the second gear motor 28 is stopped, at this time, the first sealing strip 40 on the bottom door 7 is pressed on the end face of the discharge hole of the cabinet body 2 to seal the gap between the bottom door 7 and the cabinet body 2, and when the bottom door 7 closes the discharge hole 4 of the cabinet body 2, the notch 32 of the bottom door just faces the positioning block 33, then the adjusting hand wheel 36 is rotated forward, the translation screw rod 35 is driven to move inwards along the threaded hole of the fixing seat 34 when the adjusting hand wheel 36 rotates forward, so that the positioning block 33 is pushed to move towards the notch 32, until the positioning block 33 is inserted into the notch 32, the rotation of the adjusting hand wheel 36 is stopped, through the operation, the bottom door 7 closes the discharge hole 4, and because the bottom door 7 is reliably locked and fixed on the cabinet body 2 under the action of the two limiting structures, the discharge hole 4 of the cabinet body 2 is effectively sealed and sealed, and the first limiting structure is that: the lifting screw rod 27, the lifting block 29, the roll-over stand 25, the roller seat 37 and the roller 39 together form a first limit for the bottom door, the bottom door 7 is propped upwards through the lever-type roll-over stand 25, and the bottom door 7 is tightly propped against the end face of the discharge port of the cabinet body 2; the second limit structure is: the bottom door 7 is further reliably locked and fastened on the cabinet body 2 by inserting the positioning block 33 into the notch 32 on the bottom door 7;
then, the servo motor 42 drives the screw 43 to rotate positively, and when the screw 43 rotates, the top door 6 is driven to move along the screw 43 to open the feed inlet 3, and at the moment, the top door 6 is reliably locked and fixed on the cabinet body 2 under the action of two limiting structures, wherein the first limiting structure is as follows: pulleys on two sides of the top door 6 are limited in the guide groove, so that the top door 6 is effectively limited; the second limit structure is: limiting by a screw 43;
then medical waste to be crushed and sterilized is put into the upper space of the cabinet body 2 from the feed inlet 3, the upper space is the cabinet body space above the main shaft 8, then the servo motor 42 drives the screw 43 to rotate reversely, and when the screw 43 rotates, the top door 6 is driven to move along the screw 43 to close the feed inlet 3, and the feed inlet 3 and the discharge outlet 4 of the cabinet body 2 are effectively sealed, so that the cabinet body 2 is a sealed space at the moment;
then the first gear motor 82 is started, the first gear motor 82 drives one main shaft 8 connected with an output shaft thereof to rotate, the main shaft 8 drives a gear 81 sleeved on the main shaft 8 to rotate when rotating, the gear 81 synchronously drives the other gear 81 meshed with the main shaft 81 to rotate, and the other gear 81 synchronously drives the corresponding main shaft 8 to synchronously rotate when rotating, so that the two main shafts 8 simultaneously rotate downwards relatively, the movable cutters 9 on the two main shafts 8 can mutually cooperate to cut and crush medical wastes input into the upper space of the cabinet 2, the crushed medical wastes can fall into the lower space of the cabinet 2, and the lower space is the cabinet space below the main shaft 8;
when the movable cutters 9 on the two main shafts 8 are matched for cutting and crushing medical waste, high-pressure steam in a steam source is led into the cabinet body 2 through the steam inlet 5 on the cabinet body 2, and the steam led into the cabinet body 2 is diffused to the whole space of the cabinet body 2, namely to the upper space and the lower space of the cabinet body 2, so that the medical waste to be crushed in the upper space of the cabinet body 2 and the crushed medical waste in the lower space of the cabinet body 2 are subjected to high-temperature steam sterilization simultaneously, and the sterilization while crushing is realized; in the sterilization process, under the action of the shaft end sealing component at the shaft end of the main shaft, medical waste and gas in the crushing sterilization cabinet cannot leak out of the cabinet body from a gap between the main shaft of the crushing mechanism and the side plate of the cabinet body, the bottom door and the top door are reliably locked, and the medical waste and gas in the cabinet body cannot leak out of the cabinet body from the feed inlet and the discharge outlet, so that the sterilization effect is effectively ensured;
after the medical waste is crushed and sterilized, the bottom door 7 is opened for unloading, and the specific operation of opening the bottom door 7 is as follows: reversing the adjusting hand wheel 36, driving the translation screw rod 35 to move outwards along the threaded hole of the fixed seat 34 when the adjusting hand wheel 36 is reversed, so that the positioning block 33 is withdrawn from the notch 32 until the positioning block 33 is completely withdrawn from the notch 32, stopping the rotation of the adjusting hand wheel 36, then enabling the second gear motor 28 to drive the lifting screw rod 27 to rotate reversely, when the lifting screw rod 27 is reversed, gradually moving upwards along the lifting screw rod 27 by the lifting block 29, driving the driving end 251 of the turnover frame 25 to rotate upwards around the second rotating shaft 26 by the lifting block 29 through the pin shaft 31, thereby enabling the supporting end 252 of the turnover frame 25 to rotate downwards around the second rotating shaft 26, and enabling the bottom door 7 to always abut downwards against the supporting end 252 of the turnover frame 25 under the dead weight effect in the process of the supporting end 252 of the turnover frame 25, so that the bottom door 7 rotates downwards along with the supporting end 252 when the lifting screw rod 27 is reversed, and thus opening the discharging port 4 of the medical waste material cabinet 2, and stopping the second gear motor 28 to form a medical waste material cabinet 7, so that the medical waste material medical waste can be crushed and discharged into the medical waste body after the medical waste is sterilized and the medical waste is guided out of the medical waste material cabinet 2;
after the medical waste to be crushed and sterilized in the cabinet body 2 is discharged, the bottom door 7 is closed to the discharge port 4, the top door 6 is opened to the feed port 3, and the medical waste to be crushed and sterilized in the next batch is crushed and sterilized.
The invention has the advantages that: (1) The sterilizing cabinet has the advantages that the structure is simple, the operation is convenient, the sterilizing cabinet has the medical waste crushing function, and the sterilization can be realized while the crushing is carried out in the sterilizing cabinet, so that the sterilizing effect and the treatment efficiency are greatly improved; (2) The medical waste and gas in the crushing and sterilizing cabinet can not leak outside the cabinet body from the gap between the main shaft of the crushing mechanism and the side plate of the cabinet body, the bottom door and the top door are reliably locked, the medical waste and gas in the cabinet body can not leak outside the cabinet body from the feed inlet and the discharge outlet, the use safety and the operation stability of the equipment are high, the sterilizing effect is guaranteed, and the discharging is convenient.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any other way, but any modifications or equivalent variations according to the technical spirit of the present invention are still included in the scope of the present invention.
Claims (8)
1. A medical waste crushing sterilization cabinet comprising: install the cabinet body in the frame, its characterized in that: the top of the cabinet body is provided with a feed inlet, the bottom of the cabinet body is provided with a discharge outlet, a side plate of the cabinet body is provided with a steam inlet communicated with a steam source, the feed inlet is provided with a top door, the top door is driven by a top door driving assembly to open or close the feed inlet of the cabinet body, the discharge outlet is provided with a bottom door, the bottom door is driven by the bottom door driving assembly to open or close the discharge outlet of the cabinet body, two main shafts which are parallel to each other and are movably supported between opposite side plates of the cabinet body are arranged in the cabinet body, the shaft ends of each main shaft are movably and hermetically mounted on the corresponding side plate through shaft end sealing assemblies respectively, a plurality of movable cutters are mounted on each main shaft at intervals along the axial direction respectively, the movable cutters between the two main shafts are mutually staggered, and the two main shafts are driven by the main shaft driving assembly to relatively rotate downwards at the same time, so that the movable cutters on the two main shafts can mutually cooperate to cut and crush medical waste; the structure of the spindle drive assembly includes: one side shaft ends of the two main shafts extend out of the corresponding side plates and are respectively sleeved with a gear, the two gears are positioned on the same side and are meshed with each other, one main shaft is driven to rotate by a speed reducing motor arranged on the frame, and the speed reducing motor drives the two main shafts to simultaneously and relatively rotate downwards through the two gears; the structure of the shaft end sealing assembly comprises: the bearing seat mounting hole is arranged on the side plate of the cabinet body, the bearing seat is mounted in the bearing seat mounting hole in a sealing way, a circle of pressing edge is arranged at the outer end of the bearing seat, a gland pressing the pressing edge of the bearing seat is arranged at the outer side of the bearing seat, the gland and the bearing seat are mounted on the side plate through a plurality of locking bolts, and the gland presses the pressing edge of the bearing seat tightly against the outer wall of the side plate, so that a gap between the bearing seat and the side plate is sealed; the main shaft end is sequentially sleeved with a shaft sleeve extending into the bearing seat and a bearing arranged in the bearing seat from inside to outside along the axial direction, the main shaft end is movably supported on a corresponding side plate of the cabinet body through the matching of the bearing and the bearing seat, a first sealing groove is arranged on the inner wall of the shaft sleeve, a first sealing ring used for sealing a gap between the shaft sleeve and the main shaft end is arranged in the first sealing groove, a second sealing groove and a third sealing groove are sequentially arranged on the inner wall of the bearing seat from outside to inside along the axial direction, a second sealing ring is arranged in the second sealing groove, a cavity is formed between the second sealing ring and the second sealing groove, an inflation channel for communicating the cavity and an air source is arranged in the bearing seat, when the air source injects air into the cavity through the inflation channel, the air in the cavity is inwards extruded on the shaft sleeve towards the second sealing ring, so that the gap between the bearing seat and the shaft sleeve is sealed, and a plurality of framework oil seals which are axially laminated together and are used for sealing the gap between the bearing seat and the shaft sleeve are arranged in the third sealing groove.
2. A medical waste crushing and sterilizing cabinet according to claim 1, wherein: the structure of the bottom door driving assembly includes: one end of the bottom door is hinged to a frame at the discharge port of the cabinet body through a first rotating shaft, a mounting seat is arranged below the bottom door, a roll-over stand is arranged on the mounting seat and hinged to the mounting seat through a second rotating shaft, two ends of the roll-over stand are respectively provided with a driving end and a supporting end, the driving end and the supporting end of the roll-over stand are distributed on two sides of the second rotating shaft, a lifting screw rod is vertically and movably supported on the frame at the driving end side of the roll-over stand, the lifting screw rod is driven to rotate by a reducing motor, a lifting block is connected to the lifting screw rod in a threaded manner, a horizontal waist hole is arranged on the lifting block, a pin roll which is positioned in the horizontal waist hole and can move along the horizontal waist hole is arranged at the driving end of the roll-over stand, the roll-over stand is hinged to the lifting block through the pin roll, the supporting end of the roll-over stand always upwards supports the bottom door which downwards rotates around the first rotating shaft due to self weight, and the roll-over stand can drive the bottom door to upwards rotate to close the discharge port of the cabinet body or drive the bottom door to downwards rotate to open the discharge port of the cabinet body under the cooperation of the reducing motor, the lifting screw rod and the lifting block; an inward concave notch is formed in the outer end face, far away from the first rotating shaft, of the bottom door, a positioning block opposite to the notch is arranged on a frame corresponding to the notch when the bottom door rotates to close the discharging hole of the cabinet body, and the positioning block can be inserted into or withdrawn from the notch under the drive of the translation assembly.
3. A medical waste crushing and sterilizing cabinet according to claim 2, wherein: the structure of translation subassembly includes: the bottom door is rotated to the frame that this notch corresponds when closing cabinet body discharge gate and is provided with the fixing base just to the notch, is provided with the screw hole on the fixing base, and threaded connection has a translation lead screw in the screw hole, and the locating piece is installed in the one end that the translation lead screw is close to the notch, and the one end that the translation lead screw kept away from the notch is provided with adjusting handle.
4. A medical waste crushing and sterilizing cabinet according to claim 3, wherein: the end part of the positioning block, which is used for being inserted into the notch, is a conical end with gradually reduced caliber.
5. A medical waste crushing and sterilizing cabinet according to claim 2, wherein: the supporting end of the roll-over stand is provided with a roller seat which is hinged on the roll-over stand through a third rotating shaft, and a plurality of rollers which are used for rolling contact with the bottom door are movably supported on the roller seat.
6. A medical waste crushing and sterilizing cabinet according to claim 2, wherein: a circle of fourth sealing groove surrounding the discharge port of the cabinet body is arranged on the upper end face of the bottom door, which is contacted with the end face of the discharge port of the cabinet body, and sealing strips are embedded in the fourth sealing groove.
7. A medical waste crushing and sterilizing cabinet according to claim 1, wherein: the structure of the top door driving assembly comprises: a pair of guide grooves are symmetrically arranged on the opposite inner walls of a frame on two sides of a feeding hole of a cabinet body, pulleys which are arranged in the guide grooves and can move along the guide grooves are respectively arranged at two ends of a top door, the top door is arranged on the frame in a sliding manner through the cooperation of the pulleys and the guide grooves, a mounting frame is further arranged on the frame at the feeding hole of the cabinet body, a servo motor is arranged on the mounting frame, an output shaft of the servo motor is connected with a screw rod, the screw rod horizontally penetrates the top door and is in threaded connection with the top door, and the servo motor drives the screw rod to rotate forwards or reversely, so that the top door is driven to move along the screw rod to open or close the feeding hole.
8. A medical waste crushing and sterilizing cabinet according to claim 7, wherein: a circle of fifth sealing groove surrounding the feeding port is arranged on the end face of the feeding port of the cabinet body, which is contacted with the top door, a sealing strip is embedded in the fifth sealing groove, and when the top door closes the feeding port of the cabinet body, the top door is just pressed on the sealing strip on the end face of the feeding port to seal a gap between the top door and the cabinet body.
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| CN201910851386.XA CN110624663B (en) | 2019-09-10 | 2019-09-10 | Medical waste smashing and sterilizing cabinet |
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| CN110624663B true CN110624663B (en) | 2024-02-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113145229A (en) * | 2021-03-04 | 2021-07-23 | 黄春梦 | A device for medical gauze retrieves |
| CN113509974A (en) * | 2021-04-02 | 2021-10-19 | 天津市明星恒能科技发展有限公司 | Kitchen waste on-site treatment equipment |
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