CN114939530B - Bottle cap positive and negative screening device and packaging bottle processing line comprising same - Google Patents

Bottle cap positive and negative screening device and packaging bottle processing line comprising same Download PDF

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Publication number
CN114939530B
CN114939530B CN202210564283.7A CN202210564283A CN114939530B CN 114939530 B CN114939530 B CN 114939530B CN 202210564283 A CN202210564283 A CN 202210564283A CN 114939530 B CN114939530 B CN 114939530B
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CN
China
Prior art keywords
bottle
screening
conveyor belt
processing
cap
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Application number
CN202210564283.7A
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Chinese (zh)
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CN114939530A (en
Inventor
李伟
林新冠
赵大江
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Shenzhen Tak Up Photoelectric Materials Co ltd
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Shenzhen Tak Up Photoelectric Materials Co ltd
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Priority to CN202210564283.7A priority Critical patent/CN114939530B/en
Publication of CN114939530A publication Critical patent/CN114939530A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14Details or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14Details or accessories
    • B07B13/16Feed or discharge arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67BAPPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00Closing bottles, jars or similar containers by applying caps
    • B67B3/20Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Jars (AREA)

Abstract

The application relates to a bottle cap positive and negative screening device and a packaging bottle processing line comprising the same, which belong to the technical field of packaging bottle processing, wherein the bottle cap positive and negative screening device comprises a frame, a screening table, a feeding conveyor belt, a material rotating table, a top cover assembly and a cap pushing assembly, wherein the screening table is used for bearing a bottle cap to be screened, and a screening hole, a screening channel and a discharging hole are formed in a bearing surface; the feeding conveyor belt is used for conveying the bottle caps to the bearing surface; the material transferring rack is arranged above the screening table, the top cover assembly is arranged below the screening table and comprises a top cover driving piece and a jacking pin, the jacking pin penetrates through the screening hole, the top cover driving piece is used for driving the jacking pin to move along the vertical direction, and the jacking pin is used for jacking up the bottle cap with an upward cap opening; the pushing cover assembly is used for pushing the bottle cap jacked by the jacking pin to the material transferring table. The application has the effect of reducing the labor cost of bottled package processing.

Description

Bottle cap positive and negative screening device and packaging bottle processing line comprising same
Technical Field
The application relates to the field of packaging bottle processing, in particular to a packaging bottle cap heat sealing device.
Background
At present, the plastic packaging bottle is widely applied to the fields of food, medicine and chemical industry due to the advantages of high portability, high corrosion resistance and the like, is used as an outer package of liquid food, liquid medicine and chemical agents, and generally comprises a bottle body and a bottle cap, and the bottle cap seals the bottle mouth by being screwed at the bottle mouth position of the bottle body; in the process of liquid packaging and running water processing, liquid needs to be filled in a packaging bottle in advance, after the bottle cap is covered on the bottle mouth, the bottle cap is screwed up through a cap screwing machine, the bottle cap is heat-sealed through a heat sealing machine, and the liquid is packaged in a bottle body labeling process through a labeling machine.
In the related art, the bottle cap is covered on the bottle body after the front and back of the bottle cap are required to be adjusted, so that the work of covering the bottle cap on the bottle body is required to be completed manually.
In view of the above-mentioned related art, the inventors consider that the manual adjustment of the cap to be covered on the bottle body is costly.
Disclosure of Invention
In order to reduce the labor cost of bottle packaging processing, the application provides a bottle cap positive and negative screening device and a packaging bottle processing line comprising the same.
In a first aspect, the application provides a bottle cap positive and negative screening device, which adopts the following technical scheme:
a bottle cap positive and negative screening device, which comprises a frame;
the screening table is arranged on the frame and is provided with a bearing surface for bearing the bottle caps to be screened, and the bearing surface of the screening table is provided with screening holes, screening channels for the bottle caps to pass through and discharging holes for the bottle caps to leak down; the screening holes and the discharging holes are communicated with the screening channel;
the feeding conveyor belt is arranged on the frame and is adjacent to the screening table, the conveying plane of the feeding conveyor belt is flush with the bearing surface of the screening table, and the feeding conveyor belt is used for continuously conveying a plurality of bottle caps to be screened onto the bearing surface; one end of the screening channel is opened towards the feeding conveyor belt, the screening hole is formed in one end, close to the feeding conveyor belt, of the screening channel, and the discharging hole is formed in one end, far away from the feeding conveyor belt, of the screening channel;
the material transferring table is erected above the screening table and is provided with a material transferring surface for bearing the bottle caps subjected to screening;
the top cover assembly is arranged below the screening table and comprises a top cover driving piece arranged on the frame and a top pin connected with the output end of the top cover driving piece, the top pin penetrates through the screening hole, the top cover driving piece is used for driving the top pin to move along the vertical direction, and the top pin is used for jacking up the bottle cap with an upward cap opening to a position where the bottom of the cap is parallel to the material transferring surface;
and the pushing cover assembly is used for pushing the bottle cap jacked by the jacking pin to the material rotating surface of the material rotating table.
By adopting the technical scheme, the rack is placed at a position adjacent to the packaging processing assembly line, and the discharge hole is positioned above the assembly line, so that the discharge hole can be directly communicated with the bottle body on the assembly line; stacking a batch of bottle caps on a feeding conveyor belt, continuously conveying the bottle caps to a bearing surface of a screening table by the feeding conveyor belt, moving the bottle caps on the bearing surface along a guiding direction of a screening channel and gradually moving to the position above a screening hole under the pushing of a subsequent bottle cap, driving a jacking pin to move upwards to jack up the bottle caps with upward cap openings to a position parallel to a material transferring surface of a material transferring table by a top cap driving part, and pushing the bottle caps with upward cap openings to the material transferring table by a cap pushing assembly; when the bottle cap with the downward cap opening moves to the position above the screening hole, the upward-moving ejector pin moves in the bottle cap and cannot jack the bottle cap, so that the bottle cap with the downward cap opening is left on the screening table; the bottle lid that the lid mouth down that screens is followed the screening passageway and is pushed to discharge gate department gradually, leaks down and directly covers on the bottleneck of the body that is in the discharge gate below from the discharge gate, has realized the screening of positive and negative different bottle lids, need not the positive and negative of manual adjustment bottle lid, and the automatic lid of the bottle lid that simultaneously screens closes on the body, has reduced the higher cost of labor that manual lid closed produced.
Optionally, be provided with on the screening platform and block the subassembly, block the subassembly setting and be in the screening hole with between the material loading conveyer belt, block the subassembly be used for in the top cap subassembly during operation restriction follow-up bottle lid gets into in the screening passageway.
Through adopting above-mentioned technical scheme, at top cap subassembly during operation, because stop the subassembly and restricted follow-up bottle lid entering screening passageway to make the bottle lid that is located screening passageway be in static state, be difficult for causing the influence to the bottle lid that is jacked by the knock pin, promoted the stability of screening process.
Optionally, the bottle cap positive and negative screening device further comprises a transfer conveyor belt erected above the feeding conveyor belt and a turn-over bent pipe arranged between the feeding conveyor belt and the transfer conveyor belt; the material transferring table is arranged between the pushing cover assembly and the transferring conveyor belt, the conveying surface of the transferring conveyor belt is flush with the material transferring surface, and the material transferring table is arranged adjacent to the transferring conveyor belt;
the turnover bent pipe is used for enabling bottle caps in the turnover bent pipe to pass through, an opening at one end of the turnover bent pipe, which is close to the transfer conveyor belt, is positioned at one end, which is far away from the transfer table, of the transfer conveyor belt, and the transfer conveyor belt is used for conveying the bottle caps on the turnover bent pipe into the turnover bent pipe; the opening at one end of the turn-over bent pipe, which is close to the feeding conveyor belt, is positioned at one end, which is far away from the screening table, above the feeding conveyor belt; the turnover bent pipe is used for guiding the bottle caps on the transfer conveyor belt to slide onto the feeding conveyor belt and turn over.
Through adopting above-mentioned technical scheme, by pushing away the lid subassembly with the lid mouth up of top cap subassembly jack-up on pushing away to changeing the material platform, the bottle lid that is in changeing the material bench moves to changeing on the material conveyer belt under the promotion of follow-up bottle lid, transfer the conveyer belt and transport its lid mouth up in the turn-over return bend, the bottle lid in the turn-over return bend slides under the effect of gravity to being located the material feeding driving piece of changeing material conveyer belt below, and the lid mouth down, realized again transferring again to the material feeding conveyer belt after the bottle lid turn-over up that will select out and participated in next round screening.
Optionally, the screening bench top is erect and is kept off the material spare, keep off the material spare setting the screening hole with between the material loading conveyer belt, keep off the material spare with be provided with the passing space that can supply the bottle lid of putting horizontally to pass through between the loading surface, it is used for stopping the bottle lid that is in the state of standing to keep off the material spare.
By adopting the technical scheme, when a batch of bottle caps are dumped and stacked on the feeding conveyor belt, the bottle caps are inevitably in an upright posture and conveyed onto the screening table by the feeding conveyor belt, the set of the blocking piece is used for blocking the opposite bottle caps, and the horizontally stacked bottle caps can pass through the passing space between the blocking piece and the bearing surface and move to the screening hole; in addition, the upper end of the erected bottle cap is blocked by the blocking piece, and the lower end of the erected bottle cap is pushed by the subsequent bottle cap, so that the erected bottle cap can be pushed down, and the effect of arranging the postures of the bottle caps to be screened is achieved.
Optionally, the front and back screening device of the bottle cap further comprises a cover mechanism arranged on the frame, the cover mechanism is erected above the screening table, the cover mechanism comprises a cover assembly arranged on the frame in a sliding manner along a vertical direction and a cover driving assembly arranged on the frame, and the cover driving assembly is used for driving the cover assembly to move towards a direction approaching or far away from the screening table; and one end of the cover assembly, which is close to the screening table, is provided with a pressing head, and the pressing head is used for penetrating through the discharging hole.
Through adopting above-mentioned technical scheme, when a bottle lid leaks down to the bottleneck of the packing bottle of screening platform below from the discharge gate, the lid closes the drive assembly and drives the lid and close the subassembly and move to the direction that is close to the screening platform for the pressfitting head passes the discharge gate from the discharge gate top and pressfitting the bottle lid on the packing bottle, and then has improved the preliminary lid of bottle lid and closed the inseparable degree at the bottleneck, makes things convenient for subsequent bottle lid to screw up the process.
Optionally, the pressing head is rotatably disposed on the cover assembly with the axis of the discharging hole as an axis, and a cover driving member for driving the pressing head to rotate is disposed on the cover assembly.
Through adopting above-mentioned technical scheme, at the in-process that the rotatory pressfitting head was exerting pressure to the bottle lid, the frictional force through between pressfitting head and the bottle lid drives the bottle lid and takes place to rotate for the bottle lid can twist on the bottleneck in advance in the in-process that the lid was closed, avoids the bottle lid to drop in the transportation process before twisting the lid process as far as possible on the one hand, on the other hand further makes things convenient for subsequent screwing the lid process.
In a second aspect, the application provides a packaging bottle processing line, which adopts the following technical scheme:
the utility model provides a packing bottle processing line, includes the mounting bracket, sets up on the mounting bracket:
the processing and conveying mechanism is used for conveying the packaging bottles;
the bottle cap positive and negative screening device is arranged adjacent to the processing and conveying mechanism, and the projection of the discharge hole along the vertical direction falls on the conveying surface of the processing and conveying mechanism;
the cap screwing device is arranged adjacent to the processing and conveying mechanism and is used for screwing the bottle cap covered on the bottle body;
the heat sealing device is arranged adjacent to the processing and conveying mechanism and is used for heat-sealing the bottle cap screwed on the bottle body;
the labeling device is arranged adjacent to the processing and conveying mechanism and is used for labeling the bottle bodies of the packaging bottles subjected to heat sealing;
the bottle cap positive and negative screening device, the cap screwing device, the heat sealing device and the labeling device are sequentially arranged at intervals along the conveying direction of the processing conveying mechanism.
Through adopting above-mentioned technical scheme, to be equipped with the processing packing bottle of product liquid and place on processing transport mechanism, processing transport mechanism transports the packing bottle to the positive and negative sieving mechanism department of bottle lid, with the preliminary lid of bottle lid on the body, processing transport mechanism again with the packing bottle that is covered with the bottle lid transport in proper order to twist lid device, heat sealing device and subsides mark device department, screw up the bottle lid of lid on the body to carry out the heat seal, subsides mark at last and accomplish the processing, because need not the manual work and carry out positive and negative sieving and preliminary lid to the bottle lid, reduced the cost of labor.
Optionally, the packaging bottle processing line further includes a plurality of bottle blocking assemblies that set up on the mounting bracket, a plurality of bottle blocking assemblies all with processing transport mechanism is adjacent, and a plurality of bottle blocking assemblies set up respectively the positive and negative sieving mechanism of bottle lid, twist lid device and heat sealing device relative position, bottle blocking assemblies are used for restricting the packaging bottle along with processing transport mechanism motion when processing the packaging bottle.
Through adopting above-mentioned technical scheme, when processing conveying mechanism conveys the packing bottle that waits to process to bottle lid positive and negative sieving mechanism, twist lid device or heat sealing device department and process, keep off the bottle subassembly and stop processing in processing position department with the packing bottle, the bottle bottom of packing bottle and the conveying face sliding friction of processing conveying mechanism, keep off the bottle subassembly after accomplishing processing and cancel the stopping of packing bottle, the packing bottle can continue to follow processing conveying mechanism and continue to transport to next processing position and process, has reduced the shut down of processing conveying mechanism in the course of working as far as possible.
Optionally, the packaging bottle processing line further comprises a detection conveying mechanism arranged at the tail end of the processing conveying mechanism, a drop is arranged between a conveying starting point of the detection conveying mechanism and the tail end of the processing conveying mechanism, and the detection conveying mechanism is used for receiving the packaging bottles which are toppled down by the tail end of the processing conveying mechanism and finish processing.
By adopting the technical scheme, as the tail end of the processing and conveying mechanism and the conveying starting point of the detection and conveying mechanism have a fall, when the finished packaging bottle is conveyed to the tail end of the processing and conveying mechanism, the packaging bottle can fall down and fall on the detection and conveying mechanism, and whether the matching between the bottle cap and the bottle body is tight or not can be detected.
Drawings
Fig. 1 is a schematic view of a packaging bottle processing line according to the present application.
Fig. 2 is an enlarged view of part a of the bottle cap front and back screening device in the packaging bottle processing line according to the present application.
Fig. 3 is a top view of the combination of a screening table and a loading conveyor in a packaging bottle processing line according to the present application.
Fig. 4 is a schematic structural view of a device for screening the front and back of bottle caps in a packaging bottle processing line according to the present application.
Fig. 5 is a schematic view showing the structure of the device for screening the front and back of the bottle caps in the line for processing the packaging bottles according to another view angle of the application.
Fig. 6 is a schematic structural view of a capping mechanism in the device for screening front and back of bottle caps according to the present application.
Reference numerals illustrate: 1. a mounting frame; 11. a bottle blocking assembly; 111. a driving cylinder; 112. a bottle baffle; 12. a fixing member; 121. fixing the clamping blocks; 2. a processing and conveying mechanism; 3. a bottle cap positive and negative screening device; 31. a frame; 311. a material blocking piece; 32. a screening table; 321. a bearing surface; 322. a first side baffle; 323. an inner baffle; 324. screening the channels; 3241. a bifurcation passage; 3242. a confluence channel; 3243. a discharge conveyor belt; 325. a guide positioning member; 326. a plugging plate; 327. screening holes; 328. a discharge hole; 32a, a first blocking assembly; 32a1, a two-way cylinder; 32a2, a striker plate; 32b, a second blocking assembly; 33. a feeding conveyor belt; 34. a material transferring table; 341. a material transferring surface; 342. avoiding the notch; 343. a second side baffle; 344. a guide plate; 35. a top cover assembly; 351. a top cover driving member; 352. a top cover member; 353. a knock pin; 36. a push cap assembly; 361. a pushing driving piece; 362. a pushing plate; 3621. a semicircular notch; 37. a transfer conveyor belt; 38. turning over the bent pipe; 39. a feeding space; 4. a cap screwing device; 5. a heat sealing device; 6. a bottle body adjusting device; 61. a first bracket; 62. a laser sensor; 63. a drive roller; 64. a pushing cylinder; 65. a second bracket; 66. driven roller; 7. a labeling device; 8. detecting a conveying mechanism; 9. a cover closing mechanism; 91. a support frame; 911. a rack; 92. a cover-closing driving assembly; 93. a lid assembly; 931. a limiting tube; 9311. a fixed magnet; 932. pressing the piece; 9321. a rod body; 9322. a press-fit head; 9323. a limit magnet; 9324. a gear; 933. covering the driving piece; 94. and connecting plates.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The packaging bottle processed by the embodiment is a plastic bottle formed by blow molding, the plastic bottle is provided with an integrally formed hollow handle, the inner space of the handle is communicated with the inner cavity of the plastic bottle, and liquid is filled in the plastic bottle.
The embodiment of the application discloses a packaging bottle processing line.
Referring to fig. 1, a packaging bottle processing line comprises a mounting frame 1, a processing and conveying mechanism 2, a bottle cap positive and negative screening device 3, a cap screwing device 4, a heat sealing device 5, a bottle body adjusting device 6, a labeling device 7 and a detection and conveying mechanism 8, wherein the processing and conveying mechanism 2 is arranged on the mounting frame 1; the processing and conveying mechanism 2 is a conveying belt with a 90-degree arc corner in the middle and is used for transferring plastic packaging bottles filled with liquid; the bottle cap positive and negative screening device 3, the cap screwing device 4, the heat sealing device 5, the bottle body adjusting device 6 and the labeling device 7 are arranged adjacent to the processing and conveying mechanism 2 and are sequentially arranged at intervals along the conveying direction of the processing and conveying mechanism 2, wherein the bottle cap positive and negative screening device 3 is used for screening out all bottle caps with downward cap openings in a batch of bottle caps and preliminarily covering the bottle caps on the bottle mouths of plastic packaging bottles; the cap screwing device 4 is a cap screwing machine and is used for screwing the bottle cap covered on the bottle mouth of the plastic packaging bottle; the heat-sealing device 5 is a bottle cap heat-sealing machine for heat-sealing the bottle cap on the bottle body.
Referring to fig. 1, the labeling device 7 is a labeling machine for labeling the body of the plastic packaging bottle; the body adjusting device 6 comprises a first bracket 61 arranged on one side of the processing and conveying mechanism 2, a laser sensor 62 arranged on the first bracket 61, a driving roller 63 rotatably arranged on the first bracket 61, a pushing cylinder 64 arranged on the other side of the processing and conveying mechanism 2, a second bracket 65 arranged at the output end of the pushing cylinder 64 and two driven rollers 66 rotatably arranged on the second bracket 65; the driving roller 63 and the two driven rollers 66 rotate around their own axes, and the rotation axes of the driving roller 63 and the two driven rollers 66 are all vertically arranged, and the driving roller 63 is driven to rotate by a motor; the driving roller 63 is disposed opposite to the two driven rollers 66, and the pushing cylinder 64 drives the second bracket 65 to move in a direction approaching or separating from the first bracket 61 in the horizontal direction; the laser sensor 62 emits induction laser light in the direction of the second holder 65; when the packaging bottle moves between the first bracket 61 and the second bracket 65, the laser emitted by the laser sensor 62 is blocked by the bottle body, the pushing cylinder 64 drives the second bracket 65 to move towards the direction close to the first bracket 61, the packaging bottle is clamped between the two driven rollers 66 and the driving roller 63, the driving roller 63 rotates, so that the packaging bottle is driven to rotate, when the packaging bottle rotates until the laser passes through a gap between a handle of the packaging bottle and the bottle body, the driving roller 63 stops rotating, the second bracket 65 resets, and the packaging bottle continues to move along with the processing conveying mechanism 2; the bottle body adjusting device 6 adjusts the plastic packaging bottles on the processing and conveying mechanism 2 into a posture with the handles facing in the same direction in a rotating way, so that the labeling positions of a plurality of plastic packaging bottles are easy to keep consistent.
Referring to fig. 1, the detecting and conveying mechanism 8 is a linear conveyor, the detecting and conveying mechanism 8 is provided at the conveying end of the processing and conveying mechanism 2, and the conveying direction of the detecting and conveying mechanism 8 is collinear with the conveying direction of the end of the processing and conveying mechanism 2; the conveying starting point of the detection conveying mechanism 8 is connected with the tail end of the processing conveying mechanism 2, a drop exists between the conveying starting point of the detection conveying mechanism 8 and the tail end of the processing conveying mechanism 2, the detection conveying mechanism 8 is positioned at the lower part of the processing conveying mechanism 2, when the processed packaging bottles are conveyed to the tail end of the processing conveying mechanism 2, the packaging bottles can fall down and fall on the detection conveying mechanism 8, and whether the matching between the bottle caps and the bottle bodies is tight or not can be detected; the detection conveying mechanism 8 is far away from the end of the processing conveying mechanism 2 and is inclined downwards, so that the plastic packaging bottles falling on the detection conveying mechanism 8 are in the downward bottleneck posture, and whether the tightness of the plastic packaging bottles is good or not can be detected more easily.
Referring to fig. 1, to be equipped with the product to be processed's plastics packaging bottle place processing transport mechanism 2 on, processing transport mechanism 2 transports the packaging bottle to the positive and negative sieving mechanism 3 departments of bottle lid, with the preliminary lid of bottle lid on the body, processing transport mechanism 2 again with the packaging bottle that is covered with the bottle lid transport in proper order to twist lid device 4, heat sealing device 5, body adjusting device 6 and paste mark device 7 department and process, screw up the bottle lid that the lid was closed on the body to carry out the heat-seal, paste at last after the adjustment body gesture and accomplish the processing, because need not the manual work to carry out positive and negative sieving and preliminary lid to the bottle lid, the cost of labor has been reduced.
Referring to fig. 1 and 2, the bottle cap positive and negative screening device 3 comprises a frame 31 fixedly installed on a mounting frame 1, a screening table 32 arranged on the frame 31, a feeding conveyor belt 33, a material turning table 34, a top cover assembly 35 and a cap pushing assembly 36, wherein the upper surface of the screening table 32 is a bearing surface 321 for bearing bottle caps to be screened, and the bearing surface 321 is horizontally arranged; one end of the screening table 32 is arranged above the conveying surface of the processing conveying mechanism 2, and a feeding conveyor 33 is arranged at the other end of the screening table 32; the conveying surface of the feeding conveyor belt 33 is flush with the bearing surface 321, and the feeding conveyor belt 33 is used for temporarily placing a plurality of bottle caps to be screened and conveying the bottle caps placed thereon onto the bearing surface 321.
Referring to fig. 2 and 3, two ends of the screening table 32 adjacent to the feeding conveyor belt 33 are respectively fixed with a first side baffle 322, two inner baffles 323 are arranged between the two first side baffles 322, two screening channels 324 for bottle caps to pass through are enclosed between the inner baffles 323 and the first side baffles 322, one end of the screening channels 324, which is close to the feeding conveyor belt 33, is fixed with a guiding and positioning piece 325, one end of the screening channels 324, which is close to the feeding conveyor belt 33, is divided into two parallel bifurcation channels 3241 by the guiding and positioning piece 325, one end of the screening channels 324, which is far away from the feeding conveyor belt 33, is a converging channel 3242, and a Y-shaped communicated screening channel 324 is formed by the two bifurcation channels 3241 and the converging channel 3242; the diverging channel 3241 has the same width as the converging channel 3242 and can only accommodate at most one bottle cap, the channel opening of the diverging channel 3241 faces in a direction approaching the feeding conveyor 33, the converging channel 3242 extends above the conveying surface of the processing conveyor 2, and one end of the converging channel 3242, which is far from the diverging channel 3241, is blocked by a blocking plate 326. The two screening passages 324 are symmetrically disposed and the confluence passages 3242 in the two screening passages 324 are parallel to each other.
A batch of bottle caps are dumped and stacked on the feeding conveyor belt 33, the feeding conveyor belt 33 continuously conveys the bottle caps to the bearing surface 321 of the screening table, and the bottle caps on the bearing surface 321 enter the four bifurcation passages 3241 under the pushing of the subsequent bottle caps, gradually move and are converged in the converging passage 3242.
Referring to fig. 2 and 3, four screening holes 327 and two discharging holes 328 are formed on the bearing surface 321 of the screening table 32, the four screening holes 327 are respectively located in four bifurcation passages 3241, and the two discharging holes 328 are respectively located at one end, far away from the feeding conveyor belt 33, of the two converging passages 3242; a discharge conveyor 3243 is arranged in the converging channel 3242, and caps entering the converging channel 3242 from the diverging channel 3241 are conveyed to the screening holes 327 through the discharge conveyor 3243; the cross-sectional area of the opening of the screening hole 327 is smaller than that of the bottle cap, so that the bottle cap passing through the screening hole 327 can pass smoothly; the opening cross-sectional area of the discharge hole 328 is slightly larger than the bottle cap so that the bottle cap can leak down from the discharge hole onto the processing and conveying mechanism 2.
Referring to fig. 3 and 4, the top cover assembly 35 is disposed under the screening table 32, and includes a top cover driving member 351 fixed to the frame 31 by bolts and a top cover member 352 connected to an output end of the top cover driving member 351, the top cover member 352 including a top plate fixedly connected to the output end of the top cover driving member 351 and four top pins 353 fixed to the top plate by bolts, the four top pins 353 being uniformly spaced and parallel to each other, the four top pins 353 respectively penetrating through the four screening holes 327 and vertically moving up and down in the screening holes 327; the top cover driving part 351 is an air cylinder for driving the top plate to move, and the bottle caps to be screened can be stably placed on the top pins 353; when the caps are moved over the screening holes 327, the cap driving member 351 drives the cap member 352 to move upward, the ejector pins 353 directly eject the caps with the caps up, and the caps can be ejected only by moving the top ends of the ejector pins 353 to the bottom of the inner cavity of the caps, so that the heights of the different caps ejected by the opposite directions are different under the condition that the heights of the top ends of the ejector pins 353 are consistent (the heights of the caps are based on the centroid of the caps).
Referring to fig. 4 and 5, the pushing cover assembly 36 includes a pushing driving member 361 installed above the screening table 32 and a pushing plate 362 fixed at an output end of the pushing driving member 361, two ends of the pushing plate 362 are slidably connected to the frame 31 through a linear guide rail, and a line in which a sliding direction of the pushing plate 362 is parallel to a line in which a conveying direction of the feeding conveyor belt 33 is located; the material transferring table 34 is erected above the screening table 32 and near one side of the feeding conveyor belt 33, and the top cover assembly 35 is positioned between the material transferring table 34 and the pushing cover assembly 36, and the upper surface of the material transferring table 34 is a horizontal material transferring surface 341; the pushing driving member 361 is an air cylinder, and drives the pushing plate 362 to move towards or away from the material transferring table 34, when the top cover assembly 35 lifts the bottle cap with the cap opening upwards, the pushing plate 362 moving towards the direction close to the material transferring table 34 pushes the bottle cap on the lift pin 353 towards the direction close to the material transferring table 34, and finally pushes the bottle cap onto the material transferring surface 341; when the bottle cap with the downward cap opening is jacked up by the jackpin 353, the pushing plate 362 moves above the bottle cap, and after the jackpin 353 is reset, the bottle cap with the downward cap opening is left on the screening table 32, so that the screening of the positive and negative bottle caps is realized.
Referring to fig. 5, four semicircular notches 3621 are formed at one end of the pushing plate 362, which is close to the material rotating table 34, and the bottle cap with the upward cap opening, which is lifted by the top pin 353, can be embedded into the semicircular notches 3621, so that the movement of the bottle cap is more stable in the process of pushing the bottle cap by the pushing plate 362, and the bottle cap is not easy to fall from the top pin 353; four avoidance notches 342 are formed in one end, close to the pushing cover assembly 36, of the material rotating table 34, four ejector pins 353 respectively penetrate through the four avoidance notches 342 when the bottle cap is jacked up, so that the supporting contact area of the material rotating table 34 to the bottle cap is larger in the process of pushing the bottle cap to move onto the material rotating table 34 from the ejector pins 353, and the stability of the bottle cap in the process of transferring from the ejector pins 353 to the material rotating table 34 is further improved.
Referring to fig. 2 and 3, a blocking member 311 is provided on the machine base, the blocking member 311 is a cross bar, and the cross bar is horizontally erected above the screening table 32 at a side close to the feeding conveyor belt 33 and is located between the screening hole 327 and the feeding conveyor belt 33; the cross rod is parallel to the bearing surface 321 and is perpendicular to the conveying direction of the feeding conveyor belt 33, a passing space is arranged between the cross rod and the bearing surface 321, the height of the passing space is between the thickness and the section diameter of the bottle caps to be screened, the cross rod can block the bottle caps in the standing posture, and the horizontally stacked bottle caps can pass through the passing space and move to the screening holes 327; in addition, the upper end of the erected bottle cap is blocked by the blocking piece 311, and the lower end of the erected bottle cap is pushed by the subsequent bottle cap, so that the erected bottle cap can be pushed down, and the effect of arranging the postures of the bottle caps to be screened is achieved.
Referring to fig. 4 and 5, the bottle cap positive and negative screening device 3 further includes two sets of transfer conveyor belts 37 and two turn-over elbows 38 fixedly arranged on the frame 31, the two sets of transfer conveyor belts 37 are erected above the feeding conveyor belt 33, the transfer conveyor belts 37 are parallel to the conveying plane of the feeding conveyor belt 33, the two sets of transfer conveyor belts 37 are arranged in parallel, a feeding space 39 is arranged between the two sets of transfer conveyor belts 37, and a worker can pour a batch of bottle caps onto the feeding conveyor belt 33 from the feeding space 39; one end of the transfer conveyor 37 is disposed adjacent to a side of the transfer table 34 remote from the push cap assembly 36, and the conveying surface of the transfer conveyor 37 is flush with the transfer surface 341.
The material transferring table 34 is fixed with two second side baffles 343 and two guide plates 344 on the material transferring surface 341, the second side baffles 343 are used for limiting the bottle caps on the material transferring surface 341 to slide from the side, the two guide plates 344 are arranged between the two side baffles, the bottle caps pushed onto the material transferring table 34 gradually move towards the direction close to the transferring conveyor belt 37 under the pushing of the subsequent bottle caps, the moving bottle caps are guided by the two guide plates 344 to move onto the two transferring conveyor belts 37 in two ways gradually, and then the transferring conveyor belt 37 conveys the bottle caps away from the material transferring table 34; the turn-over bent pipe 38 is a U-shaped pipe with a rectangular cross section, the bottle caps can pass through the turn-over bent pipe 38, the turn-over bent pipe 38 can only pass through one bottle cap at most at a time, one end opening of the turn-over bent pipe 38 is positioned at one end, far away from the material turning table 34, above the transfer conveyor belt 37, and the transfer conveyor belt 37 can convey the bottle caps on the turn-over bent pipe 38; the opening at the other end, close to the turn-over bent pipe 38, is positioned at one end, far away from the screening table 32, above the feeding conveyor belt 33, and a bottle cap sliding from the turn-over bent pipe 38 can directly fall on the feeding conveyor belt 33; the middle part of the turn-over bent pipe 38 is bent towards the direction away from the transfer conveyor belt 37 and the feeding conveyor belt 33, and the bottle caps which are screened out and have the upward cover openings are turned over and then are transferred onto the feeding conveyor belt 33 again after the turn-over bent pipe 38 enters the turn-over conveyor belt 37 to finish one turn-over and then slide onto the feeding conveyor belt 33, so that the next round of screening is realized.
Referring to fig. 2, the screening device for front and back surfaces of bottle caps further comprises a cover mechanism 9 arranged on the frame 31, the cover mechanism 9 comprises a support frame 91, a cover driving assembly 92 arranged on the support frame 91 and two groups of cover assemblies 93, the cover driving assembly 92 and the two groups of cover assemblies 93 are erected above the screening table 32 through the support frame 91, the cover assemblies 93 are arranged on the support frame 91 in a sliding manner along the vertical direction through linear guide rails, the two groups of cover assemblies 93 are connected through a connecting plate 94, and the cover driving assembly 92 is connected with the connecting plate 94 in a motor screw transmission manner and drives the two groups of cover assemblies 93 to slide in the vertical direction.
Referring to fig. 2 and 6, the cover assembly 93 includes a limiting tube 931 fixed on the connecting plate 94 by a bolt, a pressing member 932 rotatably connected in the limiting tube 931, and a cover driving member 933 disposed on an outer wall of the limiting tube 931, the pressing member 932 includes a rod 9321, a pressing head 9322 integrally fixed on one end of the rod 9321, a limiting magnet 9323 fixed on the other end of the rod 9321, and a gear 9324 sleeved and fixed in the middle of the rod 9321, and the pressing head 9322, the limiting magnet 9323, and the gear 9324 are coaxially disposed with the rod 9321; the axial direction of the limit pipe 931 is vertically arranged, two ends of the limit pipe 931 are closed, and a fixed magnet 931 is stuck and fixed on the inner wall of one end of the limit pipe 931 away from the screening table 32; the rod body 9321 penetrates through one end of the limit pipe 931, which is close to the screening table 32, the limit magnet 9323 is located in the limit pipe 931, the limit magnet 9323 and the fixed magnet 931 repel each other, the limit magnet 9323 limits the rod body 9321 to slide out of the limit pipe 931 on one hand, and limits the rod body 9321 to move towards the direction close to the fixed magnet 931 on the other hand, the pressing head 9322 and the gear 9324 are located outside the limit pipe 931 and the pressing head 9322 is opposite to the discharging hole 328, when the cover driving assembly 92 drives the cover assembly 93 to move towards the direction close to the screening table 32, the pressing head 9322 can enter the discharging hole 328 along the vertical direction, the bottle caps leaked from the discharging hole 328 to the bottle mouths of plastic packaging bottles are closed, and the fixed magnet 9311 and the limit magnet 9323 repel each other, so that the buffering effect of the pressing head 9322 when the bottle caps are pressed is achieved.
Referring to fig. 2 and 6, the cover driving member 933 is a bevel gear set welded on the outer wall of the limit pipe 931, the bevel gear set is composed of two bevel gears 9324 which are meshed with each other and have mutually perpendicular rotation axes, a rack 911 is fixedly arranged on the supporting frame 91 through bolts, the rack 911 is vertically arranged, two ends of the bevel gear set are meshed with the rack 911 and the gear 9324 respectively, two bevel gear sets in the two groups of cover components 93 are meshed with the rack 911 at the same time, and a bevel rod of one bevel gear meshed with the gear 9324 in the bevel gear set extends downwards, so that the gear 9324 can slide along a vertical direction relative to the bevel gear in a certain range in the process of meshing transmission with the bevel gear 9324; when the cover driving piece 933 drives the cover assembly 93 to move towards the direction close to the screening table 32, the bevel gear set moves relative to the rack 911, and the bevel gear set drives the gear 9324 to rotate, so that the pressing head 9322 rotates in the process of pressing the bottle cover, the bottle cover can be pre-screwed on the bottle opening in the process of covering, on one hand, the bottle cover is prevented from falling off in the conveying process before the screwing process as much as possible, and on the other hand, the subsequent screwing process is further facilitated; the rubber pad is attached to one end of the pressing head 9322, which is close to the discharging hole 328, so that the friction force between the pressing head 9322 and the bottle cap can be increased, the pressing head 9322 and the bottle cap are not easy to slide relatively in the process of pre-screwing the bottle cap, and the effect of pre-screwing the bottle cap is improved.
Referring to fig. 3, the guide and positioning member 325 is a hollow metal cap having a shuttle-shaped cross section, and both ends of the guide and positioning member 325 serve to guide the bottle cap into the diverging passage 3241 at both sides of the guide and positioning member 325, and to guide the bottle cap in the diverging passage 3241 into the converging passage 3242; three sets of blocking assemblies are provided on the screening table 32, two sets of first blocking assemblies 32a respectively disposed inside the two guide positioning members 325 and a second blocking assembly 32b disposed between the two converging passages 3242.
The first blocking assembly 32a comprises a bidirectional cylinder 32a1 fixed on the screening table 32 and two baffle plates 32a2 respectively fixed on two output ends of the bidirectional cylinder 32a1, the bidirectional cylinder 32a1 drives the two baffle plates 32a2 to move towards the directions close to the bifurcation passages 3241 on two sides of the positioning guide piece, the baffle plates 32a2 extend into the bifurcation passages 3241 through the side walls on two sides of the positioning guide piece 325, the movement direction of the baffle plates 32a2 is perpendicular to the movement direction of bottle caps in the bifurcation passages 3241, and the baffle plates 32a2 are positioned between the screening holes 327 and the feeding conveyor belt 33; when one bottle cap is pushed to the position above the screening hole 327, the driving baffle plate 32a2 of the bidirectional cylinder 32a1 enters the bifurcation passage 3241 to block the subsequent bottle caps from continuously entering the bifurcation passage 3241, so that the top cap assembly 35 is not easy to be influenced by the subsequent bottle caps in the process of jacking up the bottle caps at the screening hole 327, and the stability of the screening process is improved.
The second blocking component 32b has the same structure as the first blocking component 32a, two striker plates 32a2 in the second blocking component 32b respectively penetrate through inner baffles 323 of two converging channels 3242 and extend into the two converging channels 3242, the striker plates 32a2 are positioned between the discharging conveyor 3243 and the discharging hole 328, when one bottle cap is pushed to the discharging hole 328 to be pre-screwed by the covering mechanism 9, the bidirectional cylinder 32a1 in the second blocking component 32b drives the striker plates 32a2 to enter the converging channels 3242, and the subsequent bottle caps are separated from the bottle caps at the discharging hole 328, so that the pre-capping and the pre-screwing of the bottle caps are not easily affected by the subsequent bottle caps.
To sum up, the specific working principle of the bottle cap positive and negative screening device 3 is as follows: a batch of bottle caps are dumped and stacked on a feeding conveyor belt 33, the feeding conveyor belt 33 conveys the bottle caps to a screening table 32, the bottle caps on the screening table 32 gradually move to the position above a screening hole 327 under the pushing of the subsequent bottle caps, a top cover assembly 35 jacks the bottle caps, a pushing cover assembly 36 pushes the bottle caps with upward cap openings on a material turning table 34, the bottle caps on the material turning table 34 gradually move to a material turning driving piece under the pushing of the subsequent bottle caps, and the bottle caps slide onto the feeding conveyor belt 33 after being turned over by a turning-over bent pipe 38; the bottle caps with downward cap openings are left on the screening table 32 and are pushed by the subsequent bottle caps to move to the discharging conveyor 3243, finally move to the discharging holes 328, fall from the discharging holes 328 to the bottle openings of the plastic packaging bottles on the processing and conveying mechanism 2 under the discharging holes 328, and then are preliminarily covered by the covering mechanism 9; because the screening channel 324 is provided with two groups, can twist the bottle lid in advance to two plastics packaging bottles simultaneously, improved the efficiency of processing.
Referring to fig. 1 and 5, a plurality of groups of bottle blocking assemblies 11 adjacent to the processing and conveying mechanism 2 are fixedly arranged on the frame 31; the bottle blocking assembly 11 comprises a driving cylinder 111 fixedly arranged on the frame 31 and a bottle blocking plate 112 fixedly arranged at the output end of the driving cylinder 111; the driving cylinder 111 drives the bottle stopper 112 to move above the processing conveyor 2 in a direction perpendicular to the conveying direction of the processing conveyor 2 toward or away from the processing conveyor 2.
Referring to fig. 2 and 5, two sets of bottle blocking assemblies 11 are arranged on one side of the processing and conveying mechanism 2 opposite to the bottle cap positive and negative screening device 3, the two sets of bottle blocking assemblies 11 are respectively positioned below the two discharging holes 328, and when the processing and conveying mechanism 2 conveys two plastic packaging bottles to be processed to the position right below the two discharging holes in the bottle cap positive and negative screening device 3, the two sets of bottle blocking assemblies 11 block the two plastic packaging bottles and prevent the plastic packaging bottles from moving along with the processing and conveying mechanism 2, so that the plastic packaging bottles are more stable in the process of covering the bottle caps; after the two plastic packaging bottles are covered preliminarily, the driving cylinder 111 drives the bottle baffle 112 to retract, the bottle baffle assembly 11 cancels the blocking effect on the plastic packaging bottles, and the plastic packaging bottles are continuously conveyed to the screwing device 4 along with the processing conveying mechanism 2 for subsequent processing.
Referring to fig. 1, two fixing members 12 are disposed below the cap screwing device 4, the fixing members 12 include an air cylinder and fixing clamping blocks 121 connected to output ends of the air cylinder, the two fixing members 12 are disposed on two sides of the processing and conveying mechanism 2 relatively, the two air cylinders drive the two fixing clamping blocks 121 to move towards directions close to or far away from each other, and when the plastic packaging bottles move below the cap screwing device 4, the two fixing members 12 clamp and fix the packaging bottles, so that the packaging bottles are more stable in the bottle cap screwing process.
Referring to fig. 1 and 5, two sets of bottle blocking assemblies 11 are also arranged on the side of the processing and conveying mechanism 2 opposite to the heat sealing device 5, when the processing and conveying mechanism 2 conveys a plastic packaging bottle with a screwed cap to the lower part of the heat sealing device 5, the two sets of bottle blocking assemblies 11 block the plastic packaging bottle and separate the subsequent packaging bottles, so that the plastic packaging bottle is more stable in the heat sealing process; after the heat sealing of the two plastic packaging bottles is finished, the driving cylinder 111 drives the bottle baffle 112 to retract, the bottle baffle assembly 11 cancels the blocking effect on the plastic packaging bottles, and the plastic packaging bottles continue to move along with the processing and conveying mechanism 2 to be processed later.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a positive and negative sieving mechanism of bottle lid which characterized in that: comprises a frame (31); the screening table (32) is arranged on the frame (31), a bearing surface (321) for bearing the bottle caps to be screened is arranged on the screening table (32), and the screening table (32) is provided with screening holes (327), screening channels (324) for the bottle caps to pass through and discharging holes (328) for the bottle caps to leak down on the bearing surface (321); the screening hole (327) and the discharging hole (328) are communicated with the screening channel (324); the feeding conveyor belt (33) is arranged on the frame (31) and is adjacent to the screening table (32), a conveying plane of the feeding conveyor belt (33) is flush with a bearing surface (321) of the screening table (32), and the feeding conveyor belt (33) is used for continuously conveying a plurality of bottle caps to be screened onto the bearing surface (321); one end of the screening channel (324) is opened towards the feeding conveyor belt (33), the screening hole (327) is arranged at one end of the screening channel (324) close to the feeding conveyor belt (33), and the discharging hole (328) is arranged at one end of the screening channel (324) far away from the feeding conveyor belt (33); a material transferring table (34) arranged above the screening table (32) and provided with a material transferring surface (341) for bearing the bottle caps subjected to screening; the top cover assembly (35) is arranged below the screening table (32) and comprises a top cover driving piece (351) arranged on the frame (31) and a top pin (353) connected with the output end of the top cover driving piece (351), the top pin (353) penetrates through the screening hole (327), the top cover driving piece (351) is used for driving the top pin (353) to move along the vertical direction, and the top pin (353) is used for jacking up a bottle cap with an upward cap opening to a position where the bottom of the bottle cap is parallel to the material transferring surface (341); a pushing cap assembly (36) for pushing the bottle cap jacked by the jacking pin (353) onto a material transferring surface (341) of the material transferring table (34);
the bottle cap positive and negative screening device also comprises a transfer conveyor belt (37) erected above the feeding conveyor belt (33) and a turn-over bent pipe (38) arranged between the feeding conveyor belt (33) and the transfer conveyor belt (37); the material transferring table (34) is arranged between the pushing cover assembly (36) and the transferring conveyor belt (37), the conveying surface of the transferring conveyor belt (37) is flush with the material transferring surface (341), and the material transferring table (34) is arranged adjacent to the transferring conveyor belt (37); the turnover bent pipe (38) is used for enabling bottle caps in the turnover bent pipe to pass through, an opening at one end of the turnover bent pipe (38) close to the transfer conveyor belt (37) is positioned at one end, far away from the material transferring table (34), above the transfer conveyor belt (37), and the transfer conveyor belt (37) is used for conveying the bottle caps on the turnover bent pipe (38); one end opening of the turn-over bent pipe (38), which is close to the feeding conveyor belt (33), is positioned at one end, which is far away from the screening table (32), above the feeding conveyor belt (33); the turnover bent pipe (38) is used for guiding bottle caps on the transfer conveyor belt (37) to slide onto the feeding conveyor belt (33) and turn over.
2. The bottle cap positive and negative screening device according to claim 1, wherein: be provided with on screening bench (32) and block the subassembly, block the subassembly setting screening hole (327) with between material loading conveyer belt (33), block the subassembly and be used for in when top cap subassembly (35) during operation restriction follow-up bottle lid gets into in screening passageway (324).
3. The bottle cap positive and negative screening device according to claim 1, wherein: the screening table (32) top has set up and has kept off material piece (311), keep off material piece (311) setting screening hole (327) with between material loading conveyer belt (33), keep off material piece (311) with be provided with the passing through space that can supply the bottle lid of putting horizontally to pass through between loading end (321), keep off material piece (311) are used for blockking the bottle lid that is in the standing state.
4. The bottle cap positive and negative screening device according to claim 1, wherein: the bottle cap positive and negative screening device further comprises a cover mechanism (9) arranged on the frame (31), the cover mechanism (9) is erected above the screening table (32), the cover mechanism (9) comprises a cover assembly (93) arranged on the frame (31) in a sliding manner along the vertical direction and a cover driving assembly (92) arranged on the frame (31), and the cover driving assembly (92) is used for driving the cover assembly (93) to move towards a direction approaching or separating from the screening table (32); one end of the cover assembly (93) close to the screening table (32) is provided with a pressing head (9322), and the pressing head (9322) is used for penetrating through the discharging hole (328).
5. The bottle cap positive and negative screening device according to claim 4, wherein: the pressing head (9322) is rotatably arranged on the cover assembly (93) by taking the axis of the discharging hole (328) as the axis, and a cover driving piece (933) for driving the pressing head (9322) to rotate is arranged on the cover assembly (93).
6. A packaging bottle processing line which is characterized in that: comprises a mounting frame (1), and a processing and conveying mechanism (2) arranged on the mounting frame (1) and used for conveying packaging bottles; the bottle cap positive and negative screening device according to any one of claims 1-5, which is arranged adjacent to the processing and conveying mechanism (2), and the projection of the discharge port along the vertical direction falls on the conveying surface of the processing and conveying mechanism (2); the cap screwing device (4) is arranged adjacent to the processing and conveying mechanism (2) and is used for screwing the bottle cap covered on the bottle body; the heat sealing device (5) is arranged adjacent to the processing and conveying mechanism (2) and is used for heat-sealing the bottle cap screwed on the bottle body; the labeling device (7) is arranged adjacent to the processing and conveying mechanism (2) and is used for labeling the bottle bodies of the packaging bottles subjected to heat sealing; the bottle cap positive and negative screening device, the cap screwing device (4), the heat sealing device (5) and the labeling device (7) are sequentially arranged at intervals along the conveying direction of the processing conveying mechanism (2).
7. A packaging bottle processing line as claimed in claim 6, wherein: the packaging bottle processing line further comprises a plurality of bottle blocking assemblies (11) arranged on the mounting frame (1), the bottle blocking assemblies (11) are adjacent to the processing conveying mechanism (2), the bottle blocking assemblies (11) are respectively arranged at the opposite positions of the bottle cap positive and negative screening device, the cap screwing device (4) and the heat sealing device (5), and the bottle blocking assemblies (11) are used for limiting the movement of the packaging bottles along with the processing conveying mechanism (2) when the packaging bottles are processed.
8. A packaging bottle processing line as claimed in claim 6, wherein: the packaging bottle processing line further comprises a detection conveying mechanism (8) arranged at the tail end of the processing conveying mechanism (2), a drop is arranged between the conveying starting point of the detection conveying mechanism (8) and the tail end of the processing conveying mechanism (2), and the detection conveying mechanism (8) is used for receiving the packaging bottles which are toppled down by the tail end of the processing conveying mechanism (2) and are processed.
CN202210564283.7A 2022-05-23 2022-05-23 Bottle cap positive and negative screening device and packaging bottle processing line comprising same Active CN114939530B (en)

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CN118387824A (en) * 2024-06-26 2024-07-26 顶福食品科技(江苏)有限公司 Packaging transfer equipment for food processing

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CN113697739A (en) * 2021-10-26 2021-11-26 江苏辛宙环保科技有限公司 Pneumatic cap screwing integrated equipment for filling products
CN215711649U (en) * 2021-07-05 2022-02-01 广东建星机械有限公司 Gland device capable of automatically arranging caps
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CN209651856U (en) * 2018-12-12 2019-11-19 腾宇塑料容器(江门)有限公司 A kind of full-automatic lid tightener
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