CN116588868B - High-precision lifting platform for clean room - Google Patents
High-precision lifting platform for clean room Download PDFInfo
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- CN116588868B CN116588868B CN202310866023.XA CN202310866023A CN116588868B CN 116588868 B CN116588868 B CN 116588868B CN 202310866023 A CN202310866023 A CN 202310866023A CN 116588868 B CN116588868 B CN 116588868B
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- 230000007246 mechanism Effects 0.000 claims description 86
- 239000000428 dust Substances 0.000 claims description 85
- 230000005540 biological transmission Effects 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 20
- 210000000056 organ Anatomy 0.000 claims description 14
- 230000003028 elevating effect Effects 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 230000003749 cleanliness Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The application provides a high-precision lifting platform for a clean room, which solves the problems of cleanliness of lifting equipment and the like. The application has the advantages of stable operation, effective guarantee of environmental cleanliness and the like.
Description
Technical Field
The application belongs to the technical field of lifting equipment, and particularly relates to a high-precision lifting platform for a clean room.
Background
In industries having high requirements on production environments, such as the food industry and the liquid crystal panel industry, there is a case where workers, inspection equipment, maintenance equipment, and the like are required to be transported to a specified height in a clean room due to special reasons, such as production requirements or equipment maintenance. The traditional elevator structure on the market is mainly hydraulic pressure, and the lifting equipment of this kind of form simple structure, equipment joint department easy wear produces dust, and hydraulic oil is easy to reveal and is influenced clean room grade by the temperature variation is volatile. If the grade of the clean room is affected, the qualification rate of the product is greatly reduced, and the workshop is also required to stop production and purify again, so that the production efficiency is affected. And the precision of the traditional lifting equipment can not meet the detection requirement of products.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a clean room's FFU lift mounting structure [202010006817.5], and it includes the furred ceiling, and the furred ceiling sets up in the below of roof, is provided with the screw rod between furred ceiling and the roof, the both ends of screw rod respectively with furred ceiling and roof fixed connection, the bottom of furred ceiling is provided with FFU's box, the holding tank has been seted up on the furred ceiling, and the holding tank runs through the furred ceiling, and the bottom of roof is provided with the mounting panel, is provided with fixed subassembly between mounting panel and the roof, is provided with lifting assembly between mounting panel and the box, and lifting assembly is provided with two sets of, is provided with the organ cover between box and the furred ceiling, the both ends of organ cover respectively with box and furred ceiling fixed connection.
The problem that lifting equipment precision is not enough has been solved to a certain extent to above-mentioned scheme, but this scheme still has a great deal of shortages, for example the lifting equipment joint wearing and tearing easily produce dust, can't satisfy workshop cleanliness requirement scheduling problem.
Disclosure of Invention
The application aims to solve the problems and provide the high-precision lifting platform for the clean room with reasonable design and higher cleanliness.
In order to achieve the above purpose, the present application adopts the following technical scheme: the utility model provides a high accuracy lift platform that toilet used, includes the frame, slidable mounting has lift platform about the frame, and servo drive mechanism is installed to the frame bottom, and servo drive mechanism is connected with lead screw elevating system through reversing drive mechanism, and lead screw elevating system is connected with lift platform and frame transmission, is provided with closing mechanism between frame and the lift platform. The driving moment provided by the servo driving mechanism is distributed to all screw lifting mechanisms by the reversing transmission mechanism to realize accurate adjustment, and the sealing mechanism seals the screw lifting mechanisms and the reversing transmission mechanism, so that worn fragments in the transmission process are prevented from invading the outside, and the requirement of cleanliness in a clean room is met.
In the high-precision lifting platform used in the clean room, the servo driving mechanism comprises a servo motor, the servo motor is arranged in the middle of the frame, the output end of the servo motor extends longitudinally, and the output end of the servo motor is opposite to the inside of the frame and is in transmission connection with the reversing transmission mechanism. The servo motor is arranged in the middle of the lower end of the frame, and the uniform distribution of the transmission torque is realized by utilizing the reversing transmission mechanism, so that the balance of the lifting platform in the lifting process is ensured.
In the high-precision lifting platform used in the clean room, the reversing transmission mechanism comprises a first reverser arranged at the center of the bottom of the frame, the input end of the first reverser is in transmission connection with the servo motor through a coupler, the output end of the first reverser is provided with transmission rods which extend along the transverse direction and respectively face two sides of the frame, and the ends of the transmission rods are in transmission connection with the screw rod lifting mechanism through second reversers respectively; the output end and the input end central axis of the first commutator are mutually perpendicular and are positioned on the same horizontal plane, and the output end and the input end central axis of the second commutator are mutually perpendicular and extend along the vertical direction. The reversing transmission mechanism ensures that the screw lifting mechanism synchronously lifts and avoids the deviation of the screw lifting mechanism.
In the high-precision lifting platform for the clean room, the screw lifting mechanism comprises a driving screw rod which is vertically arranged, the driving screw rod is in transmission connection with a lifting seat body, the lifting seat body is fixedly connected with the lifting platform, and a sliding limiting assembly is arranged between the lifting seat body and the frame; the sliding limiting assembly comprises a sliding rod which is connected with the lifting seat body and is perpendicular to the driving screw rod, sliding blocks are respectively fixed at two ends of the sliding rod, and sliding guide rails which are vertically arranged and are in one-to-one sliding connection with the sliding blocks are arranged on the frame. The sliding limiting assembly further provides support for the lifting seat body, and the lifting platform is ensured to move along a fixed track.
In the high-precision lifting platform for the clean room, the bottom of the frame is provided with the pedal, the pedal is covered above the servo driving mechanism, and the pedal is fixedly provided with the reinforcing cross rod which extends along the transverse direction and the two ends of which are respectively fixed with the frame; the lifting platform comprises a lifting flat plate, a handrail frame body which is vertical to the lifting flat plate is fixed on the lifting flat plate, and a turnover handrail frame opening is rotationally connected in the middle of the handrail frame body. The pedal and the reinforcing cross rod play a certain role in protecting the servo driving mechanism, and the armrest frame body on the lifting platform is convenient for fixing the lifting object.
In the high-precision lifting platform for the clean room, the sealing mechanism comprises a cover plate assembly opposite to the servo driving mechanism and the reversing transmission mechanism, the screw lifting mechanism is provided with a cover plate assembly, and the cover plate assembly are connected with a dust removing assembly. Except that the cover plate assembly and the cover plate assembly are adopted to separate the servo driving mechanism, the reversing transmission mechanism and the outside, the dust removal assembly can actively remove dust from the inside.
In the high-precision lifting platform for the clean room, the cover plate assembly comprises a main cover plate which surrounds the machine frame circumferentially, an auxiliary cover plate which is coated on the outer side of the reversing transmission mechanism is arranged on the inner side of the main cover plate, and the upper ends of the main cover plate and the auxiliary cover plate are closed by a top plate. The cover plate component is sealed to the frame, so that the internal tightness is ensured.
In the high-precision lifting platform for the clean room, the cover plate assembly comprises a shell plate which is vertically arranged and is coated on the outer side of the screw lifting mechanism, a movable groove is formed in one side, opposite to the lifting platform, of the shell plate, an organ cover is slidably arranged in the movable groove, and a partition assembly is arranged between the organ cover and the movable groove; the partition assembly comprises a partition edge which is coated at the edge of the organ cover, the partition edge is made of hard materials and is rotationally connected with a sliding roller, the inner side of the movable groove is provided with a partition groove for the sliding roller to slide up and down, and the lifting platform is provided with a cleaning assembly which extends into the movable groove; the cleaning component comprises cleaning rollers rotatably arranged at the end heads of the lifting platform, cleaning brushes are distributed on the surfaces of the cleaning rollers, the cleaning rollers are connected with linkage gears through a speed change gear set, and the linkage gears are meshed with linkage racks arranged in the movable grooves for transmission. The cover plate assembly does not influence the normal up-and-down sliding of the lifting platform, and the cover plate assembly still plays a good sealing role in the moving process.
In the high-precision lifting platform for the clean room, the dust removing assembly comprises a dust removing cover plate arranged in the cover plate assembly and the cover plate assembly, a main negative pressure pipe and auxiliary negative pressure pipes axially arranged along the main negative pressure pipe are arranged in the dust removing cover plate, the auxiliary negative pressure pipes are respectively connected with a dust collecting assembly, the dust collecting assembly is provided with a unidirectional sealing assembly, and the main negative pressure pipes are communicated with the filtering assembly and the negative pressure pump. The dust removing component is provided with negative pressure suction force by a negative pressure pump, and collected dust is sealed in the filter component in a concentrated manner for subsequent treatment.
In the high-precision lifting platform for the clean room, the dust collection assembly comprises a dust collection cover, wherein a dust collection cylinder is fixedly inserted into the inner side of the dust collection cover, the dust collection cylinder is provided with dust collection openings distributed along the circumferential direction, and a gap is reserved between the dust collection cylinder and the dust collection cover; the unidirectional sealing assembly comprises a sealing cover body which covers the port of the dust hood, sealing ports which are symmetrical in center and distributed spirally are formed in the sealing cover body, and the inner side of the sealing ports is connected with a sealing cover plate through a spring plate; the filter assembly comprises a filter cylinder body, a filter frame opening is formed in the circumferential direction of the filter cylinder body and is sealed by a filter screen, a rotating shaft is rotatably arranged on the inner side of the filter cylinder body, a scraping plate attached to the inner side of the filter screen is fixed on the rotating shaft, one end, extending to the outer side of the filter cylinder body, of the rotating shaft is connected with a rotating blade, an inlet of the filter cylinder body is vertically downward, and a collecting disc is arranged at the lower end of the filter cylinder body. The dust collection assembly realizes uniform dust collection and performs key dust collection on the parts of the lifting platform, which are easy to wear.
Compared with the prior art, the application has the advantages that: the frame and the lifting platform are separated from the outside by the sealing mechanism, so that dust generated by grinding in the transmission process of the reversing transmission mechanism and the screw lifting mechanism is prevented from being scattered to the outside, and the requirement on the cleanliness inside the clean room is met; the reversing transmission mechanism uniformly distributes the driving moment of the servo driving mechanism to each screw rod lifting mechanism, so that the balance of the lifting platform in the up-and-down sliding process is ensured; the dust removal assembly utilizes negative pressure to actively remove dust, maintains the negative pressure environment in the sealing mechanism, and further improves the dust prevention effect.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is a schematic diagram of another view of the present application.
Fig. 3 is a schematic structural view of the closure mechanism of the present application.
Fig. 4 is a schematic structural view of the dust removing assembly of the present application.
Fig. 5 is a schematic view of the construction of the hood plate assembly of the present application.
Fig. 6 is a schematic view of the structure of the filter assembly of the present application.
In the drawing, a frame 1, a pedal 11, a reinforcing cross bar 12, a lifting platform 2, a lifting flat plate 21, a handrail frame body 22, a handrail frame opening 23, a servo driving mechanism 3, a servo motor 31, a reversing transmission mechanism 4, a first reversing device 41, a coupling 42, a transmission rod 43, a second reversing device 44, a screw lifting mechanism 5, a driving screw 51, a lifting seat body 52, a sliding rod 53, a sliding block 54, a sliding guide rail 55, a closing mechanism 6, a cover plate assembly 7, a main cover plate 71, a secondary cover plate 72, a top plate 73, a cover plate assembly 8, a shell plate 81, a movable groove 82, an organ cover 83, a partition edge 84, a sliding roller 85, a partition groove 86, a cleaning roller 87, a cleaning brush 88, a linkage gear 89, a linkage rack 891, a dust collection assembly 9, a dust collection cover plate 91, a main negative pressure pipe 92, a secondary negative pressure pipe 93, a dust collection assembly 94, a dust collection cover 941, a dust collection cylinder 942, a dust collection opening 943, a unidirectional closing assembly 95, a closing cover body 951, a closing cover plate 963, a filter assembly 96, a filter cylinder 961, a filter frame opening 962, a rotating shaft 962, a scraper blade 963, a rotating blade 967, a collecting disc 6 and a collecting disc 6 are shown.
Detailed Description
The application will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-2, a high-precision lifting platform for a clean room comprises a frame 1, wherein a plurality of anti-skid blocks are fixed at the lower end of the frame 1. The frame 1 is installed lift platform 2 through sliding mounting from top to bottom of guide rail structure, servo driving mechanism 3 is installed to frame 1 bottom and is provided lifting moment for lift platform 2, servo driving mechanism 3 evenly distributes driving moment to each lead screw elevating system 5 through reversing drive mechanism 4, lead screw elevating system 5 is connected with lift platform 2 and frame 1 transmission, be provided with closing mechanism 6 between frame 1 and the lift platform 2, closing mechanism 6 protects reversing drive mechanism 4 and lead screw elevating system 5 on the one hand, on the other hand provides sealing environment, avoid the piece of lead screw transmission in-process wearing and tearing to reveal, mainly satisfy the user demand of high cleanliness factor environment such as toilet.
Specifically, a conventional lifting structure generally adopts a direct transmission mode, while the servo driving mechanism 3 in the application comprises a servo motor 31 which is driven by variable frequency, the servo motor 31 is arranged in the middle of the frame 1, the output end of the servo motor 31 extends longitudinally, the output end of the servo motor 31 is opposite to the inside of the frame 1 and is in transmission connection with the reversing transmission mechanism 4, the reversing transmission mechanism 4 uniformly distributes output torque into the screw lifting mechanism 5, and the height feedback adjustment is realized by matching with a photoelectric sensor.
Deeply, the reversing transmission mechanism 4 is integrally packaged at the bottom of the frame 1, and specifically comprises a first reverser 41 arranged at the center of the bottom of the frame 1, the input end of the first reverser 41 is in transmission connection with the servo motor 31 through a coupler 42, the output end of the first reverser 41 is provided with a transmission rod 43 extending along the transverse direction and respectively towards two sides of the frame 1, the end of the transmission rod 43 is in transmission connection with the screw rod lifting mechanism 5 through a second reverser 44, and reversing gear structures are generally adopted for transmission in the first reverser 41 and the second reverser 44; the output end and the input end central axis of the first commutator 41 are perpendicular to each other and are in the same horizontal plane, and the output end and the input end central axis of the second commutator 44 are perpendicular to each other and extend in the vertical direction. The first commutator 41 is arranged in the same axial direction as the first commutator 41.
Further, two sides of the frame 1 are in a frame opening structure, the screw rod lifting mechanism 5 is vertically arranged in the frame opening of the frame 1, the screw rod lifting mechanism 5 specifically comprises a driving screw rod 51 which is vertically arranged, the driving screw rod 51 is in threaded transmission connection with a lifting seat body 52, the lifting seat body 52 is fixedly connected with the lifting platform 2, and a sliding limiting component is arranged between the lifting seat body 52 and the frame 1 to ensure circumferential fixation of the lifting seat body; the sliding limiting assembly comprises a sliding rod 53 which is connected with the lifting seat body 52 and is vertical to the driving screw rod 51, sliding blocks 54 are respectively fixed at two ends of the sliding rod 53, sliding guide rails 55 which are vertically arranged and are in one-to-one sliding connection with the sliding blocks 54 are arranged on the frame 1, and the sliding rod 53 maintains the balance of the end heads of the lifting seat body 52.
Furthermore, the whole frame 1 adopts aluminum profiles and surface electrophoresis treatment, so that the whole anti-aging effect is ensured. The bottom of the frame 1 is provided with a pedal 11, and the pedal 11 is covered above the servo driving mechanism 3 for protection and support. The pedal 11 is fixedly provided with a reinforcing cross rod 12 which extends along the transverse direction and two ends of which are respectively fixed with the frame 1, a cross-shaped reinforcing cavity is arranged in the reinforcing cross rod 12, and the hollow structure reduces the weight and improves the structural strength; the lifting platform 2 comprises a lifting flat plate 21, and a handrail frame body 22 which is vertical to the lifting flat plate 21 is fixed on the lifting flat plate 21, wherein the handrail frame body 22 adopts a hollow pipe structure. The middle part of the armrest frame body 22 is rotatably connected with a turnover armrest frame opening 23, and the armrest frame opening 23 is opened to provide a channel for the armrest frame body 22.
As shown in fig. 3, the closing mechanism 6 is usually made of stainless steel or aluminum profiles, and comprises a cover plate assembly 7 opposite to the servo driving mechanism 3 and the reversing transmission mechanism 4, the screw lifting mechanism 5 is provided with a cover plate assembly 8, and the cover plate assembly 7 and the cover plate assembly 8 are connected with a dust removal assembly 9 for active dust removal, so that the negative pressure state inside the cover plate assembly 7 and the cover plate assembly 8 is maintained.
Meanwhile, the cover plate assembly 7 comprises a main cover plate 71 which surrounds the machine frame 1 along the circumferential direction, an auxiliary cover plate 72 which is coated on the outer side of the reversing transmission mechanism 4 is arranged on the inner side of the main cover plate 71, and an installation space of the dust removal assembly 9 is reserved between the main cover plate 71 and the auxiliary cover plate 72. The upper ends of the main cover plate 71 and the auxiliary cover plate 72 are closed by a top plate 73, and maintenance and adjustment can be performed on the steering transmission mechanism 4 after the top plate 73 is opened. The main cover plate 71 and the auxiliary cover plate 72 are vertically arranged, and play a corresponding supporting role on the top plate 73 and the lifting platform 2.
As shown in fig. 5, the cover plate assembly 8 and the cover plate assembly 7 are connected with each other, and include a casing plate 81 vertically disposed and coated on the outer side of the screw lifting mechanism 5, and a movable slot 82 for inserting the end of the lifting platform 2 is formed on the opposite side of the casing plate 81 to the lifting platform 2. An organ cover 83 is slidably mounted in the movable groove 82, the organ cover 83 is connected between the lifting platform 2 and the shell plate 81, and a partition component is arranged between the organ cover 83 and the movable groove 82 to ensure the tightness of the joint; the partition assembly includes a partition edge 84 wrapped around the edge of the bellows 83, the partition edge 84 being connected to the side edges of the respective folded surfaces of the bellows 83. The partition edge 84 is made of hard materials and is rotatably connected with a sliding roller 85, a partition groove 86 for the sliding roller 85 to slide up and down is formed in the inner side of the movable groove 82, and the organ cover 83 is always contracted along the vertical direction. The lifting platform 2 has a cleaning assembly extending into the movable slot 82; the cleaning component comprises a cleaning roller 87 rotatably arranged at the end head of the lifting platform 2, cleaning brushes 88 are distributed on the surface of the cleaning roller 87, the cleaning roller 87 is connected with a linkage gear 89 through a speed change gear set, and the linkage gear 89 is meshed with a linkage rack 891 arranged in the movable groove 82. When the lifting platform 2 slides up and down, the linkage rack 891 and the linkage gear 89 are mutually driven and drive the cleaning roller 87 and the cleaning brush 88 to roll, so that the inside of the movable groove 82 is cleaned, and the inside cleanliness of the cover plate assembly 8 is ensured.
As shown in fig. 4, the dust removing assembly 9 specifically includes a dust removing cover plate 91 disposed in the cover plate assembly 7 and the cover plate assembly 8, a main negative pressure pipe 92 and an auxiliary negative pressure pipe 93 axially arranged along the main negative pressure pipe 92 are disposed in the dust removing cover plate 91, the auxiliary negative pressure pipes 93 are respectively connected with dust collecting assemblies 94, the main and auxiliary pipe parallel structure ensures that the negative pressure suction forces of the dust collecting assemblies 94 are consistent, and the dust removing assembly has good dust removing effect on all parts of the cover plate assembly 7 and the cover plate assembly 8. The dust collection assembly 94 is provided with a unidirectional sealing assembly 95 for preventing dust from scattering, the main negative pressure pipe 92 is communicated with the filter assembly 96 and the negative pressure pump, and the filter assembly 96 is used for collecting dust in a concentrated manner, so that the subsequent treatment is convenient.
As shown in fig. 6, the dust collection assembly 94 includes an elongated dust collection cover 941, a dust collection cylinder 942 is inserted and fixed inside the dust collection cover 941, the dust collection cylinder 942 has dust collection openings 943 distributed along the circumferential direction, a gap is reserved between the dust collection cylinder 942 and the dust collection cover 941, and a plurality of dust collection cylinders 942 are arranged at equal intervals and are relatively separated from a cavity between the dust collection covers 941; the unidirectional sealing assembly 95 comprises a sealing cover body 951 covered at the port of the dust hood 941, sealing openings 952 which are in central symmetry and are spirally distributed are formed in the sealing cover body 951, the inner sides of the sealing openings 952 are connected with sealing cover plates 953 through elastic sheets, the sealing cover plates 953 seal the sealing openings 952 in a normal state, and the sealing cover plates 953 are opened for dust collection when being subjected to negative pressure suction; the filter assembly 96 includes a filter cylinder 961 with a relatively fixed position, a filter frame opening 962 is formed in the filter cylinder 961 along the circumferential direction, the filter frame opening 962 is closed by a filter screen 963, and the filter cylinders 961 with different mesh sizes of the filter screens 963 can be combined with each other to filter dust layers with different particle sizes. The rotation shaft 964 is rotatably installed on the inner side of the filter cylinder 961, the scraping plate 965 attached to the inner side of the filter screen 963 is fixed on the rotation shaft 964, and the scraping plate 965 rotates to scrape off surface dust, so that dust is prevented from being adsorbed and blocking the filter screen 963. One end of the rotating shaft 964 extending to the outside of the filter cylinder 961 is connected with a rotating blade 966, and the negative pressure pump provides negative pressure suction force to drive the rotating blade 966 and the rotating shaft 964 to rotate synchronously. The inlet of the filter cylinder 961 is vertically downward, the lower end of the filter cylinder 961 is provided with a collecting disc 967, dust falls into the collecting disc 967, and the semi-closed structure thereof prevents the dust from being sucked into the filter cylinder 961 again under the action of negative pressure suction.
In summary, the principle of this embodiment is as follows: the servo driving mechanism 3 provides driving torque, the reversing transmission mechanism 4 transmits the torque to the screw rod lifting mechanism 5 to drive the lifting platform 2 to slide up and down relative to the frame 1, and fragments generated by abrasion in the movement process are sealed by the sealing mechanism 6, so that the cleaning of the external environment is ensured.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the application. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the application or exceeding the scope of the application as defined in the accompanying claims.
Although the frame 1, the step 11, the reinforcing cross bar 12, the elevating platform 2, the elevating flat plate 21, the armrest frame 22, the armrest frame opening 23, the servo drive mechanism 3, the servo motor 31, the reversing gear 4, the first reverser 41, the coupling 42, the transmission rod 43, the second reverser 44, the screw elevating mechanism 5, the drive screw 51, the elevating base 52, the slide rod 53, the slide block 54, the slide rail 55, the closing mechanism 6, the cover plate assembly 7, the main cover plate 71, the sub cover plate 72, the top plate 73, the cover plate assembly 8, the housing plate 81, the movable groove 82, the organ cover 83, the partition edge 84, the slide roller 85, the partition groove 86, the cleaning roller 87, the cleaning brush 88, the linkage gear 89, the linkage rack 891, the dust removing assembly 9, the dust removing cover plate 91, the main negative pressure pipe 92, the sub negative pressure pipe 93, the dust removing assembly 94, the dust removing cover 941, the cylinder 942, the dust removing opening 943, the one-way closing assembly 95, the closing cover plate 951, the closing cover plate 963, the filter assembly 96, the filter cylinder 961, the filter frame 963, the filter blade 962, the rotating blades 4, the filter screen 966, the filter screen 967, and other terms are used in this case. These terms are used merely for convenience in describing and explaining the nature of the application; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present application.
Claims (2)
1. The utility model provides a high accuracy lift platform that toilet used, includes frame (1), its characterized in that, frame (1) slidable mounting from top to bottom lift platform (2), frame (1) bottom install servo drive mechanism (3), servo drive mechanism (3) be connected with lead screw elevating system (5) through reversing drive mechanism (4), lead screw elevating system (5) be connected with lift platform (2) and frame (1) transmission, frame (1) and lift platform (2) between be provided with sealing mechanism (6); the servo driving mechanism (3) comprises a servo motor (31), the servo motor (31) is arranged in the middle of the frame (1) and the output end of the servo motor (31) extends longitudinally, and the output end of the servo motor (31) is opposite to the inside of the frame (1) and is in transmission connection with the reversing transmission mechanism (4); the reversing transmission mechanism (4) comprises a first reverser (41) arranged at the center of the bottom of the frame (1), the input end of the first reverser (41) is in transmission connection with the servo motor (31) through a coupler (42), the output end of the first reverser (41) is provided with transmission rods (43) extending along the transverse direction and respectively towards the two sides of the frame (1), and the ends of the transmission rods (43) are in transmission connection with the screw rod lifting mechanism (5) through second reversers (44); the central axes of the output end and the input end of the first reverser (41) are mutually perpendicular and are positioned on the same horizontal plane, the central axes of the output end and the input end of the second reverser (44) are mutually perpendicular, and the central axes of the output end extend along the vertical direction; the screw lifting mechanism (5) comprises a vertically arranged driving screw (51), the driving screw (51) is in transmission connection with a lifting seat body (52), the lifting seat body (52) is fixedly connected with the lifting platform (2), and a sliding limiting assembly is arranged between the lifting seat body (52) and the frame (1); the sliding limiting assembly comprises a sliding rod (53) which is connected with the lifting base body (52) and is vertical to the driving screw rod (51), sliding blocks (54) are respectively fixed at two ends of the sliding rod (53), and sliding guide rails (55) which are vertically arranged and are in one-to-one sliding connection with the sliding blocks (54) are arranged on the frame (1); the sealing mechanism (6) comprises a cover plate assembly (7) opposite to the servo driving mechanism (3) and the reversing transmission mechanism (4), the screw lifting mechanism (5) is provided with a cover plate assembly (8), and the cover plate assembly (7) and the cover plate assembly (8) are connected with a dust removal assembly (9); the cover plate assembly (7) comprises a main cover plate (71) which circumferentially surrounds the frame (1), an auxiliary cover plate (72) which is coated on the outer side of the reversing transmission mechanism (4) is arranged on the inner side of the main cover plate (71), and the upper ends of the main cover plate (71) and the auxiliary cover plate (72) are closed by a top plate (73); the cover plate assembly (8) comprises an outer shell plate (81) which is vertically arranged and is coated on the outer side of the screw rod lifting mechanism (5), a movable groove (82) is formed in one side, opposite to the lifting platform (2), of the outer shell plate (81), an organ cover (83) is slidably arranged in the movable groove (82), and a partition assembly is arranged between the organ cover (83) and the movable groove (82); the partition assembly comprises a partition edge (84) coated at the edge of the organ cover (83), the partition edge (84) is made of hard materials and is rotationally connected with a sliding roller (85), the inner side of the movable groove (82) is provided with a partition groove (86) for the sliding roller (85) to slide up and down, and the lifting platform (2) is provided with a cleaning assembly extending into the movable groove (82); the cleaning assembly comprises a cleaning roller (87) rotatably arranged at the end of the lifting platform (2), cleaning brushes (88) are distributed on the surface of the cleaning roller (87), the cleaning roller (87) is connected with a linkage gear (89) through a speed change gear set, and the linkage gear (89) is meshed with a linkage rack (891) arranged in the movable groove (82) for transmission; the dust removal assembly (9) comprises a dust removal cover plate (91) arranged in the cover plate assembly (7) and the cover plate assembly (8), a main negative pressure pipe (92) and auxiliary negative pressure pipes (93) axially arranged along the main negative pressure pipe (92) are arranged in the dust removal cover plate (91), the auxiliary negative pressure pipes (93) are respectively connected with a dust collection assembly (94), the dust collection assembly (94) is provided with a one-way sealing assembly (95), and the main negative pressure pipe (92) is communicated with a filtering assembly (96) and a negative pressure pump; the dust collection assembly (94) comprises a dust collection cover (941), a dust collection cylinder (942) is fixedly connected to the inner side of the dust collection cover (941) in an inserted mode, the dust collection cylinder (942) is provided with dust collection openings (943) distributed along the circumferential direction, and a gap is reserved between the dust collection cylinder (942) and the dust collection cover (941); the unidirectional sealing assembly (95) comprises a sealing cover body (951) covered at the port of the dust hood (941), sealing openings (952) which are symmetrical in center and spirally distributed are formed in the sealing cover body (951), and sealing cover plates (953) are connected to the inner sides of the sealing openings (952) through elastic sheets; the filter component (96) comprises a filter cylinder (961), the filter cylinder (961) is circumferentially provided with a filter frame opening (962) and the filter frame opening (962) is sealed by a filter screen (963), the inner side of the filter cylinder (961) is rotationally provided with a rotating shaft (964), the rotating shaft (964) is fixedly provided with a scraping plate (965) attached to the inner side of the filter screen (963), one end of the rotating shaft (964) extending to the outer side of the filter cylinder (961) is connected with a rotating blade (966), an inlet of the filter cylinder (961) is vertically downward, and the lower end of the filter cylinder (961) is provided with a collecting disc (967).
2. The high-precision lifting platform for the clean room according to claim 1, wherein a pedal (11) is arranged at the bottom of the frame (1), the pedal (11) is covered above the servo driving mechanism (3), and a reinforcing cross bar (12) which extends along the transverse direction and is respectively fixed with the frame (1) at two ends is fixed on the pedal (11); the lifting platform (2) comprises a lifting flat plate (21), a handrail frame body (22) which is vertical to the lifting flat plate (21) is fixed on the lifting flat plate, and a turnover handrail frame opening (23) is rotatably connected to the middle of the handrail frame body (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310866023.XA CN116588868B (en) | 2023-07-14 | 2023-07-14 | High-precision lifting platform for clean room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310866023.XA CN116588868B (en) | 2023-07-14 | 2023-07-14 | High-precision lifting platform for clean room |
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| CN116588868A CN116588868A (en) | 2023-08-15 |
| CN116588868B true CN116588868B (en) | 2023-12-08 |
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| CN115872322A (en) * | 2023-01-07 | 2023-03-31 | 王瑞海 | Outdoor hoisting device for power equipment installation |
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| AU1163676A (en) * | 1976-03-01 | 1977-09-08 | Arjo Instruments A.B. | Hoisting device |
| JPH11280034A (en) * | 1998-03-31 | 1999-10-12 | Toyota Autom Loom Works Ltd | Braking device for cleaning vehicle |
| CN109316879A (en) * | 2018-10-10 | 2019-02-12 | 吉林省通达电力机械制造有限公司 | Totally enclosed type of unloading dust-extraction unit |
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| CN115872322A (en) * | 2023-01-07 | 2023-03-31 | 王瑞海 | Outdoor hoisting device for power equipment installation |
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| Publication number | Publication date |
|---|---|
| CN116588868A (en) | 2023-08-15 |
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