CN112614606B - Method for sealing bags through radioactive solid waste bag sealing device - Google Patents
Method for sealing bags through radioactive solid waste bag sealing device Download PDFInfo
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- CN112614606B CN112614606B CN202011512202.6A CN202011512202A CN112614606B CN 112614606 B CN112614606 B CN 112614606B CN 202011512202 A CN202011512202 A CN 202011512202A CN 112614606 B CN112614606 B CN 112614606B
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- assembly
- heat sealing
- bag
- cylinder
- shearing
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
- G21F9/36—Disposal of solid waste by packaging; by baling
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/12—Closures for containers; Sealing arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Package Closures (AREA)
Abstract
The invention belongs to the technical field of nuclear industry, and particularly relates to a radioactive solid waste bag sealing device which comprises a spreading component, a moving component, a heat sealing component and a shearing component; the stretching assembly is arranged in the first glove box, and the heat sealing assembly and the shearing assembly are both arranged in the second glove box; a station opening with a sealing cover is arranged between the first glove box and the second glove box; the opening assembly is connected with the moving assembly; the shearing assembly is arranged on the heat sealing assembly and synchronously moves along with the heat sealing assembly; the heat sealing assembly moves along the horizontal direction and the vertical direction so as to seal the bag mouth of the plastic package bag in which the radioactive solid waste is placed; the shearing assembly can move horizontally and vertically to shear the sealed plastic package. According to the invention, the plastic package bag in the imbibition state is propped by the propping assembly, the plastic package bag is not easy to wrinkle during heat sealing, the leakage of radioactive pollution sources is prevented, and the operation flow is simplified by adopting automatic operation.
Description
Technical Field
The invention belongs to the technical field of nuclear industry, and particularly relates to a method for sealing bags through a radioactive solid waste bag sealing device.
Background
Radioactive solid waste is a substance that contains or is contaminated with radionuclides, has a concentration or specific activity that is greater than the clean solution level prescribed by national regulatory authorities, and is expected to be no longer used.
Currently, in the technical field of nuclear industry, the transfer of solid waste in a traditional glove box usually adopts a bag sealing and in-out mode, and the method comprises the following four steps: (1) Manually filling the radioactive solid waste into a polyethylene bag; (2) Pulling out the radioactive solid waste put in the polyethylene bag from the outside of the glove box; (3) heat sealing three rows; (4) cutting along the middle of the second row of heat seal seams. The traditional bag seal adopts manual operation, the operation process is complicated, and the high-emissivity solid waste can not be treated. Since the inside of the glove box is in a negative pressure state, wherein the bagging, heat sealing and shearing of the articles are all performed in the negative pressure state. Under the negative pressure state, the polyethylene bag is in a imbibition state, and wrinkles easily appear when the heat seal, so that radioactive articles in the polyethylene bag leak, pollute the environment, and cause radiation injury to staff.
Disclosure of Invention
First, the technical problem to be solved
In order to solve the technical problems, the invention provides a method for sealing bags through a radioactive solid waste bag sealing device.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
a radioactive solid waste bag sealing device comprises a spreading component, a moving component, a heat sealing component and a shearing component; the stretching assembly is arranged in the first glove box, and the heat sealing assembly and the shearing assembly are both arranged in the second glove box; a station opening with a sealing cover is arranged between the first glove box and the second glove box; the expanding assembly is connected with the moving assembly and used for enabling the expanding assembly to move to the station opening and expanding the plastic package bag sleeved below the station opening; the shearing assembly is arranged on the heat sealing assembly and synchronously moves along with the heat sealing assembly; the heat sealing assembly moves along the horizontal direction and the vertical direction so as to seal the bag mouth of the plastic package bag in which the radioactive solid waste is placed; the shearing assembly can move horizontally and vertically to shear the sealed plastic package.
Optionally, the spreader assembly comprises: the fixing piece is connected with the moving assembly and used for fixing the opening assembly on the moving assembly; the bag opening cylinder is connected with the lower part of the fixing piece; the connecting sleeve is sleeved on the bag supporting cylinder, the lower parts of the connecting sleeves are respectively hinged with one ends of two connecting rods, and the other ends of the two connecting rods are respectively hinged with the supporting rods; the connecting sleeve is fixed on the upper part of the bag supporting cylinder, the lower part of the bag supporting cylinder penetrates through the connecting sleeve to be hinged with the supporting rod, and the stretching and retracting of the supporting rod are driven by the stretching and retracting of the bag supporting cylinder.
Optionally, the mobile assembly comprises: the cantilever shaft electric cylinder is connected with a cantilever shaft in the first glove box; the lower part of the cantilever shaft electric cylinder is connected with an extension plate which is connected with the opening assembly; the first driving unit is connected with the cantilever shaft electric cylinder and used for driving the cantilever shaft electric cylinder to move so as to drive the opening assembly to move in the first glove box.
Optionally, the heat seal assembly comprises: the Z-axis sliding block is in sliding connection with the mounting bracket and slides in the vertical direction along the mounting bracket; two X-axis sliding blocks are arranged on the Z-axis sliding block; the X-axis sliding block slides along the Z-axis sliding block in the horizontal direction; a first heat sealing machine bottom plate is arranged on one of the X-axis sliding blocks, the first heat sealing machine bottom plate is connected with one end of a heat sealing strip pressing block, and a heat sealing strip is fixed on the heat sealing strip pressing block; the other X-axis sliding block is provided with a second heat sealing machine bottom plate, the second heat sealing machine bottom plate is connected with the heat sealing clamping plate, and the first heat sealing machine bottom plate and the second heat sealing machine bottom plate simultaneously slide inwards or simultaneously slide outwards on the Z-axis sliding block along with the two X-axis sliding blocks so as to seal the opened plastic package bag.
Optionally, the shearing assembly comprises: the shearing support is fixed on the first heat sealing machine bottom plate, and the rodless cylinder is fixed on the shearing support, and the rodless cylinder is connected with the shearing cylinder, drives the rodless cylinder to stretch out and retract through the extension and contraction of the shearing cylinder, is provided with a disc cutter on the rodless cylinder, and the disc cutter moves on the rodless cylinder along the direction perpendicular to the X-axis sliding block and the Z-axis sliding block and is used for cutting off the sealed plastic package bag.
Optionally, the middle part of installing support is equipped with ball, and ball is connected with the second power unit of installing support lower part, and the left and right sides of installing support is equipped with the Z axle guide rail for with the cooperation of Z axle slider, make Z axle slider slip on the installing support.
Optionally, the middle part of Z axle slider is equipped with trapezoidal lead screw, and trapezoidal lead screw is connected with the third power unit of installing in Z axle slider one end, and the upper and lower both sides of Z axle slider are equipped with X axle guide rail for with the cooperation of X axle slider, make X axle slider slip on Z axle slider.
Optionally, the rodless cylinder is connected with the shearing cylinder through the rodless cylinder mounting plate, and the lower part of the rodless cylinder mounting plate is connected with the clamp plate through the spring shaft, and the shearing cylinder drives the rodless cylinder mounting plate to move, and then drives the disc cutter on the rodless cylinder and the clamp plate to synchronously move, and when the disc cutter shears the plastic package bag, the clamp plate is used for pressing the plastic package bag at the lower part of the shearing part.
Optionally, the shearing assembly further comprises a guide shaft, and the guide shaft penetrates through the shearing support to be connected with the rodless cylinder mounting plate and is used for guiding the rodless cylinder.
Optionally, the heat sealing bar compacting block is arranged on the inner side of the first heat sealing machine bottom plate, and the shearing support is arranged on the outer side of the first heat sealing machine bottom plate.
(III) beneficial effects
The beneficial effects of the invention are as follows: the invention provides a radioactive solid waste bag sealing device, which adopts a supporting component arranged in a first glove box with a radioactive pollution source to support a plastic bag in a shrunken state, on one hand, the plastic bag is not easy to wrinkle during heat sealing, and the leakage of the radioactive pollution source is prevented, on the other hand, the automatic bag supporting, heat sealing and shearing operations are adopted, so that the operation flow is simplified, and the high-radioactivity material can be treated. The invention adopts the heat sealing component and the shearing component which are arranged in the second glove box without radioactive pollution sources, after the plastic package bag is unfolded, three rows of plastic package bags are heat sealed, and then one row of plastic package bags are sheared from the middle, so that the radioactive pollution sources in the first glove box are prevented from entering the second glove box, and the operation environment in the second glove box is always kept without radioactive pollution sources.
Drawings
Fig. 1 is a schematic perspective view of an opening assembly of a radioactive solid waste bagging apparatus according to the present invention.
Fig. 2 is a schematic front view of a heat sealing assembly of a radioactive solid waste bagging apparatus according to the present invention.
Fig. 3 is a schematic perspective view of a heat sealing assembly of a radioactive solid waste bagging apparatus according to the present invention.
Fig. 4 is a schematic perspective view of a shearing module of a radioactive solid waste bagging apparatus according to the present invention.
[ reference numerals description ]
101. A fixing member; 102. a bag opening cylinder; 103. connecting sleeves; 104. a connecting rod; 105. a brace rod; 106. a pin shaft; 107. a positioning plate; 108. a support plate; 109. a vertical rod;
201. a cantilever shaft cylinder; 202. an extension plate; 203. a first servo motor; 204. a first speed reducer; 205. an adapter; 206. a fixing plate;
301. a Z-axis slider; 302. an X-axis sliding block; 303. a first air heater bottom plate; 304. a heat seal compacting block; 305. a second air heater bottom plate; 306. heat sealing the clamping plate; 307. a silica gel strip; 308. a trapezoidal screw; 309. an X-axis guide rail; 310. a third servo motor; 311. a commutator;
401. shearing a bracket; 402. a rodless cylinder; 403. a shear cylinder; 404. a disc cutter; 405. a rodless cylinder mounting plate; 406. a spring shaft mounting seat; 407. a pressing plate; 408. a guide shaft; 409. a linear bearing; 410. a spring shaft; 411. a rodless cylinder mount; 412. a disc cutter mounting seat; 413. a compression spring; 414. a guide rod;
5. a mounting bracket; 501. a ball screw; 502. a Z-axis guide rail; 503. a second servo motor; 504. and a second speed reducer.
Detailed Description
In order that the above-described aspects may be better understood, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Examples: referring to fig. 1-4, a radioactive solid waste bagging apparatus includes a spreader assembly, a mover assembly, a heat seal assembly, and a shear assembly; the opening assembly is arranged in a first glove box with a pollution source, and the heat sealing assembly and the shearing assembly are both arranged in a second glove box without the pollution source; a station opening with a sealing cover is arranged between the first glove box and the second glove box; the expanding assembly is connected with the moving assembly and used for enabling the expanding assembly to move to the station opening and expanding the plastic package bag sleeved below the station opening; the shearing assembly is arranged on the heat sealing assembly and synchronously moves along with the heat sealing assembly; the heat sealing assembly can move horizontally and vertically to seal the plastic package; the shearing assembly can move horizontally and vertically to shear the sealed plastic package.
According to the invention, the plastic package bag in the imbibition state is propped by the propping assembly arranged in the first glove box with the radioactive pollution source, so that on one hand, the inside of the plastic package bag with the radioactive pollution source can be sealed, the plastic package bag is not easy to wrinkle during heat sealing, the leakage of the radioactive pollution source is prevented, and on the other hand, the operation flow is simplified by adopting automatic bag propping, heat sealing and shearing operations, and the high-radioactivity material can be processed. The invention adopts the heat sealing component and the shearing component which are arranged in the second glove box without radioactive pollution sources, after the plastic package bag is unfolded, three rows of plastic package bags are heat sealed, and then one row of plastic package bags are sheared from the middle, so that the radioactive pollution sources in the first glove box are prevented from entering the second glove box, and the operation environment in the second glove box is always kept without radioactive pollution sources.
Further, referring to fig. 1, the spreader assembly of the present invention comprises: a fixing member 101 connected to the lower portion of the moving member for fixing the prop-up member to the moving member; the lower part of the fixing piece 101 is connected with a bag opening cylinder 102; the bag supporting cylinder 102 is sleeved with a connecting sleeve 103, the upper part of the connecting sleeve 103 is fixed on the bag supporting cylinder 102 through a positioning plate 107, the lower part of the connecting sleeve 103 is hinged with one ends of two connecting rods 104 respectively through a supporting plate 108, and the other ends of the two connecting rods 104 are hinged with supporting rods 105 respectively through pin shafts 106. The connecting sleeve 103 is fixed on the upper part of the bag-supporting cylinder 102, the lower part of the bag-supporting cylinder 102 passes through the connecting sleeve 103 to be connected with the vertical rod 109, the lower part of the vertical rod 109 is hinged with the supporting rod 105 through the pin shaft 106, and the expansion and the retraction of the supporting rod 105 are driven by the expansion and the retraction of the bag-supporting cylinder 102. The opening assembly of the present invention is not limited to the above structure, and the bag opening cylinder 102 may be a hydraulic cylinder, the pin 106 may be a hinge, or the like.
According to the invention, the expansion or retraction of the two stay bars 105 connected with the bag opening air cylinder 102 is realized through the expansion and retraction of the bag opening air cylinder 102 of the opening assembly relative to the connecting sleeve 103. After the radioactive solid waste is filled into the plastic package bag, the bag opening air cylinder 102 is conveyed into the plastic package bag through the moving assembly, the bag opening air cylinder 102 is pushed in the plastic package bag, the supporting rods 105 are unfolded, the plastic package bag is further opened, the subsequent heat sealing of the plastic package bag is facilitated, wrinkles are prevented from being generated when the plastic package bag is heat sealed, and the radioactive pollution source is leaked due to the fact that the sealing is not tight. By adopting the opening assembly disclosed by the invention, the plastic package bag in a negative pressure state can be effectively opened before heat sealing, the sealing performance of the plastic package bag is better when the plastic package bag is heat sealed, and the radioactive solid waste in the plastic package bag is prevented from leaking, so that pollution is caused.
Further, referring to fig. 1, the moving assembly of the present invention includes: cantilever shaft cylinder 201, cantilever shaft cylinder 201 is fixed in the first glove box through fixed plate 206; the lower part of the cantilever shaft electric cylinder 201 is connected with an extension plate 202, and the extension plate 202 is connected with a strutting assembly; a first driving unit is disposed on one side of the cantilever shaft electric cylinder 201, and is used for driving the cantilever shaft electric cylinder 201 to move up and down, so as to drive the opening assembly to move up and down in the first glove box. The first driving unit includes a first servo motor 203 and a first speed reducer 204 connected with the first servo motor, and the first speed reducer 204 is connected with a fixed plate 206 through a adapter 205.
According to the invention, the moving assembly is arranged above the opening assembly, so that the opening assembly can be conveniently moved in the first glove box, the movement of the opening assembly can be controlled by controlling the first driving unit, an automatic control flow is realized, high-radioactivity materials can be processed, and the application range of the glove box is further enlarged.
Further, referring to fig. 2 and 3, the heat seal assembly of the present invention comprises: the Z-axis slider 301 is slidably connected to the mounting bracket 5, and the Z-axis slider 301 slides in the vertical direction along the mounting bracket 5. Two X-axis sliding blocks 302 are arranged on the Z-axis sliding block 301; the X-axis slider 302 slides in the horizontal direction along the Z-axis slider 301. One of them X axle slider 302 is last to be provided with first heat sealer bottom plate 303, and first heat sealer bottom plate 303 is connected with the one end of heat sealing strip compact heap 304, is fixed with the heat seal on the heat sealing strip compact heap 304 for the heat-seal plastic envelope bag. The other X-axis sliding block 302 is provided with a second heat sealing machine bottom plate 305, the second heat sealing machine bottom plate 305 is connected with a heat sealing clamping plate 306, the heat sealing clamping plate 306 is provided with a silica gel strip 307 corresponding to the heat sealing strip on the heat sealing strip pressing block 304, and the heat sealing strip is arranged opposite to the silica gel strip 307, so that the sealing performance of the plastic package bag is better during heat sealing. The first heat sealer bottom plate 303 and the second heat sealer bottom plate 305 simultaneously slide inward or simultaneously slide outward on the Z-axis slider 301 along with the two X-axis sliders 302, respectively, to seal the opened plastic package.
According to the invention, the Z-axis sliding block 301 and the two X-axis sliding blocks 302 are arranged, so that the heat sealing assembly can move in the vertical direction and the horizontal direction, the heat sealing of the plastic package bag is realized, and the folding assembly is matched with the opening assembly, so that the plastic package bag is not easy to generate folds during heat sealing, and the radioactive pollutant is effectively prevented from leaking.
The middle part of installing support 5 is equipped with ball 501, and ball 501 is connected with the second power unit of installing support 5 lower part, and the left and right sides of installing support 5 is equipped with Z axle guide rail 502 for with Z axle slider 301 cooperation, make Z axle slider 301 slide on installing support 5. The second power unit includes a second servo motor 503 and a second speed reducer 504 connected to the second servo motor, an output shaft of the second speed reducer 504 is connected to the ball screw 501, and the ball screw 501 is driven to rotate by rotation of the second speed reducer 504, so as to control the Z-axis slider 301 to move on the mounting bracket 5.
According to the invention, the rotation of the ball screw 501 is controlled through the second power unit, so that the moving distance of the Z-axis sliding block 301 in the vertical direction is controlled, the positioning of the Z-axis sliding block 301 is realized more accurately, and the heat sealing assembly is used for accurately heat sealing the plastic package.
The middle part of the Z-axis sliding block 301 is provided with a trapezoidal screw 308, the trapezoidal screw 308 is connected with a third power unit arranged at one end of the Z-axis sliding block 301, and the upper side and the lower side of the Z-axis sliding block 301 are provided with X-axis guide rails 309 which are used for being matched with the X-axis sliding block 302 so that the X-axis sliding block 302 slides on the Z-axis sliding block 301. The third power unit includes a third servo motor 310 and a commutator 311 connected with the third servo motor, the commutator 311 is connected with a trapezoidal screw 308, and the rotation direction of the trapezoidal screw 308 is controlled through the commutator 311, so that the first heat sealing machine bottom plate 303 and the second heat sealing machine bottom plate 305 slide towards the inner side of the heat sealing assembly or slide towards the outer side of the heat sealing assembly at the same time. When the first heat sealer bottom plate 303 and the second heat sealer bottom plate 305 slide toward the inside of the heat sealing assembly at the same time, that is, when the first heat sealer bottom plate 303 and the second heat sealer bottom plate 305 approach each other, the heat seal bar pressing block 304 on the first heat sealer bottom plate 303 and the heat seal clamping plate 306 on the second heat sealer bottom plate 305 perform heat seal treatment on the plastic package. When the first heat sealer bottom plate 303 and the second heat sealer bottom plate 305 slide to the outside of the heat sealing assembly at the same time, that is, when the first heat sealer bottom plate 303 and the second heat sealer bottom plate 305 are away from each other, the heat sealing treatment of the plastic bag by the heat sealing bar pressing block 304 on the first heat sealer bottom plate 303 and the heat sealing clamping plate 306 on the second heat sealer bottom plate 305 is completed.
According to the invention, the third power unit is used for controlling the rotation of the trapezoidal screw 308, so that the sliding distance of the X-axis sliding block 302 on the Z-axis sliding block 301 is controlled, the positioning of the X-axis sliding block 302 is realized more accurately, and the heat sealing assembly is used for accurately heat sealing the plastic package.
Further, referring to fig. 4, the shear assembly of the present invention comprises: a shear bracket 401 fixed to the first heat sealer base plate 303, and a rodless cylinder 402 fixed to the shear bracket 401; the rodless cylinder 402 is connected with the shearing cylinder 403, the rodless cylinder 402 is driven to extend and retract by the expansion and contraction of the shearing cylinder 403, the rodless cylinder 402 is connected with the disc cutter 404 through the disc cutter mounting seat 412, a guide rod 414 is arranged between the disc cutter mounting seat 412 and the disc cutter 404, and a compression spring 413 is sleeved on the periphery of the guide rod 414. The cutter disc 404 is fixed on the cutter disc mounting seat 412 through the guide rod 414, and the cutter disc mounting seat 412 can slide on the rodless cylinder 402, so that the cutter disc 404 moves on the rodless cylinder 402 along the direction perpendicular to the X-axis sliding block 302 and the Z-axis sliding block 301, and is used for cutting off the sealed plastic package bag.
The rodless cylinder 402 is fixed to a rodless cylinder mounting plate 405 by a rodless cylinder mounting member 406, which can be a bolt. The lower part of the rodless cylinder mounting plate 405 is connected to one end of the spring shaft mounting base 406, the other end of the spring shaft mounting base 406 is connected to the spring shaft 410, and the spring shaft 410 is connected to the pressing plate 407. The shearing cylinder 403 passes through the shearing support 401 and is connected with the rodless cylinder mounting plate 405, and the rodless cylinder mounting plate 405 is driven to move by the expansion and contraction of the shearing cylinder 403, so that the disc cutter 404 and the pressing plate 407 on the rodless cylinder 402 are driven to synchronously move. When the disc cutter 404 shears the plastic package, the pressing plate 407 is used for pressing the plastic package at the lower part of the sheared part.
According to the invention, the pressing plate 407 is arranged on the rodless cylinder mounting plate 405, so that when the disc cutter 404 shears a plastic package bag, the pressing plate 407 is used for pressing the plastic package bag at the lower part of the sheared part, and leakage of radioactive pollutants caused by uneven shearing seams is prevented.
Further, the shear assembly of the present invention further comprises a guide shaft 408, the guide shaft 408 being coupled to the rodless cylinder mounting plate 405 through a linear bearing 409 on the shear bracket 401 for guiding the rodless cylinder 402. The two guide shafts 408 in this embodiment are respectively disposed on two sides of the shear support 401, so that the above structure can better perform guiding function and make the rodless cylinder 402 operate more stably.
Further, the heat sealing bar pressing block 304 of the present invention is provided on the inner side of the first heat sealer bottom plate 303, and the shear support 401 is provided on the outer side of the first heat sealer bottom plate 303. The structure can avoid mutual interference between the heat sealing assembly and the shearing assembly, as the heat seal compacting block 304 is arranged on the inner side of the bottom plate 303 of the first heat sealing machine, the shearing support 401 is arranged on the outer side of the bottom plate 303 of the first heat sealing machine, when heat sealing is carried out, the heat seal compacting block 304 firstly works, and after heat sealing is completed, the shearing cylinder 403 on the shearing support 401 pushes the disc cutter 404 to stretch out, so that the heat sealed plastic package bag is sheared. The heat seal bar pressing block 304 in this embodiment is provided at the upper part of a circular cutter 404 on a shear support 401. Of course, the present invention is not limited to this configuration, and the heat seal pressing block 304 may be provided at the lower part of the cutter disc 404 on the cutting frame 401, as long as the positions of the heat seal pressing block 304 and the cutter disc 404 on the cutting frame 401 are offset, and the positions do not affect each other.
The working process of the invention is as follows:
the opening assembly is driven to move into the plastic package bag at the station opening by the first servo motor 203, and the two supporting rods 105 at the lower part of the bag opening cylinder 102 are controlled to open the plastic package bag in a suction state by controlling the extension of the bag opening cylinder 102; then the heat sealing assembly is moved to the lower part of the spreading assembly by the second servo motor 503 and the third servo motor 310 for the first heat sealing; and repeating the above operation, performing the second heat sealing and the third heat sealing, and shearing the second and third sealing by the shearing assembly after the three seals are sealed. After the third sealing and heat sealing are finished, the heat sealing assembly is kept still, the disc cutter 404 is driven to move forwards through the extension of the shearing cylinder 403 to be in contact with the plastic package bag, the disc cutter 404 is driven to horizontally move through the movement of the rodless cylinder, one-time reciprocating shearing is finished, and the disc cutter 404 returns to the initial position after shearing is finished.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the invention.
Claims (8)
1. A method for bagging by a radioactive solid waste bagging device, which is characterized by comprising a propping assembly, a moving assembly, a heat sealing assembly and a shearing assembly;
the stretching assembly is arranged in the first glove box, and the heat sealing assembly and the shearing assembly are both arranged in the second glove box;
a station opening with a sealing cover is arranged between the first glove box and the second glove box;
the expanding assembly is connected with the moving assembly and used for enabling the expanding assembly to move to the station opening and expanding the plastic package bag sleeved below the station opening;
the shearing assembly is arranged on the heat sealing assembly and moves synchronously with the heat sealing assembly; the heat sealing assembly moves along the horizontal direction and the vertical direction so as to seal the bag mouth of the plastic package bag in which the radioactive solid waste is placed; the shearing assembly can move horizontally and vertically to shear the sealed plastic package bag; the distractor assembly includes:
the fixing piece (101) is connected with the moving assembly and used for fixing the opening assembly on the moving assembly;
the bag opening cylinder (102) is connected with the lower part of the fixing piece (101);
the connecting sleeve (103) is sleeved on the bag supporting cylinder (102), the lower parts of the connecting sleeves (103) are respectively hinged with one ends of two connecting rods (104), and the other ends of the two connecting rods (104) are respectively hinged with the supporting rods (105);
the connecting sleeve (103) is fixed at the upper part of the bag opening cylinder (102), the lower part of the bag opening cylinder (102) passes through the connecting sleeve (103) to be hinged with the supporting rod (105), and the expansion and the retraction of the supporting rod (105) are driven by the expansion and the retraction of the bag opening cylinder (102);
the moving assembly includes:
a cantilever shaft electric cylinder (201) connected with a cantilever shaft in the first glove box; the lower part of the cantilever shaft electric cylinder (201) is connected with an extension plate (202), and the extension plate (202) is connected with the expanding assembly;
the first driving unit is connected with the cantilever shaft electric cylinder (201) and is used for driving the cantilever shaft electric cylinder (201) to move so as to drive the opening assembly to move in the first glove box;
after the radioactive solid waste is filled into the plastic package bag, the bag opening air cylinder (102) is sent into the plastic package bag through the moving assembly, and the bag opening air cylinder (102) is pushed in the plastic package bag to enable the supporting rod (105) to be unfolded, so that the plastic package bag is unfolded, the subsequent heat sealing of the plastic package bag is facilitated, and wrinkles are prevented from being generated when the plastic package bag is heat sealed.
2. A method of bagging by a radioactive solid waste bagging apparatus as claimed in claim 1 wherein the heat seal assembly comprises:
the Z-axis sliding block (301) is in sliding connection with the mounting bracket (5) and slides in the vertical direction along the mounting bracket (5); two X-axis sliding blocks (302) are arranged on the Z-axis sliding block (301); the X-axis sliding block (302) slides in the horizontal direction along the Z-axis sliding block (301);
a first heat sealing machine bottom plate (303) is arranged on one X-axis sliding block (302), the first heat sealing machine bottom plate (303) is connected with one end of a heat sealing strip pressing block (304), and a heat sealing strip is fixed on the heat sealing strip pressing block (304);
a second heat sealing machine bottom plate (305) is arranged on the other X-axis sliding block (302), the second heat sealing machine bottom plate (305) is connected with a heat sealing clamping plate (306), and a silica gel strip (307) is arranged on the heat sealing clamping plate (306) corresponding to the position of the heat sealing strip on the heat sealing strip pressing block (304);
the first heat sealer bottom plate (303) and the second heat sealer bottom plate (305) simultaneously slide inwards or simultaneously slide outwards on the Z-axis sliding block (301) along with the two X-axis sliding blocks (302) so as to seal the spread plastic package.
3. A method of bagging by a radioactive solid waste bagging apparatus as claimed in claim 2 wherein the shearing assembly comprises:
a shear bracket (401) fixed on the first heat sealer bottom plate (303), and a rodless cylinder (402) fixed on the shear bracket (401); the rodless cylinder (402) is connected with the shearing cylinder (403), the rodless cylinder (402) is driven to extend and retract through the expansion and contraction of the shearing cylinder (403), a disc cutter (404) is arranged on the rodless cylinder (402), and the disc cutter (404) moves on the rodless cylinder (402) along the direction perpendicular to the X-axis sliding block (302) and the Z-axis sliding block (301) and is used for cutting off the sealed plastic package bag.
4. A method for sealing bags by means of a radioactive solid waste bag sealing device according to claim 2, characterized in that the middle part of the mounting bracket (5) is provided with a ball screw (501), the ball screw (501) is connected with a second power unit at the lower part of the mounting bracket (5), and the left and right sides of the mounting bracket (5) are provided with Z-axis guide rails (502) for being matched with the Z-axis slide blocks (301) so that the Z-axis slide blocks (301) slide on the mounting bracket (5).
5. A method for sealing bags by means of a radioactive solid waste bag sealing device according to claim 2, characterized in that a trapezoidal screw (308) is arranged in the middle of the Z-axis sliding block (301), the trapezoidal screw (308) is connected with a third power unit arranged at one end of the Z-axis sliding block (301), and X-axis guide rails (309) are arranged on the upper side and the lower side of the Z-axis sliding block (301) and are used for being matched with the X-axis sliding block (302) so that the X-axis sliding block (302) slides on the Z-axis sliding block (301).
6. A method for sealing bags by means of a radioactive solid waste bag sealing device according to claim 3, wherein the rodless cylinder (402) is connected with the shearing cylinder (403) through a rodless cylinder mounting plate (405), the lower part of the rodless cylinder mounting plate (405) is connected with the pressing plate (407) through a spring shaft mounting seat (406), the shearing cylinder (403) drives the rodless cylinder mounting plate (405) to move, and further drives the disc cutter (404) on the rodless cylinder (402) and the pressing plate (407) to synchronously move, and the pressing plate (407) is used for pressing the plastic bag at the lower part of the shearing part when the disc cutter (404) shears the plastic bag.
7. A method of bagging by a radioactive solid waste bagging apparatus as claimed in claim 6 wherein the shearing assembly further comprises a guide shaft (408), the guide shaft (408) being connected to the rodless cylinder mounting plate (405) through the shearing carriage (401) for guiding the rodless cylinder (402).
8. A method of bagging by means of a radioactive solid waste bagging device as claimed in claim 3, wherein the heat sealing bar compacting block (304) is provided on the inside of the first heat sealer bed (303) and the shear support (401) is provided on the outside of the first heat sealer bed (303).
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| CN202011512202.6A CN112614606B (en) | 2020-12-18 | 2020-12-18 | Method for sealing bags through radioactive solid waste bag sealing device |
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| CN202011512202.6A CN112614606B (en) | 2020-12-18 | 2020-12-18 | Method for sealing bags through radioactive solid waste bag sealing device |
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| CN112614606B true CN112614606B (en) | 2023-08-22 |
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