A kind of sealing capping deviceTechnical field
The utility model is related to food, medicine packaging machinery more particularly to a kind of sealing capping devices.
Background technology
Existing sealing capping device is mainly manifested in there are some defects：Fore shaft stroke is absolutely fixed when rolling lid,But often there are several millimeters of not equal deviations in blow molded bottle precision, be easy to cause body bottle explosion by excessive pressure；It rollsLid cylinder stroke is fixed, and fore shaft power cannot be controlled rationally；Aluminium lid is limited by factors such as machining accuracies, it may appear that longShort inconsistent situation is susceptible to flange since bottleneck and fore shaft position are fixed；In addition, specification part mostly uses greatly spiral shellLine connects, and after bottle specification changes, it is more inconvenient to remodel.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of it is simple in structure, canThe sealing capping device for adapting to body deviation, effectivelying prevent bottle explosion.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of sealing capping device, including mounting platform, elevating mechanism and it is at least one roll headkerchief, the mounting platform withThe elevating mechanism is connected, and the headkerchief that rolls includes pressure head component, pressing sleeve, rolls lid actuator and circle grid, described to roll lid actuatorIt being installed on the mounting platform, the pressure head component upper end is connected to by elastic buffer member below the mounting platform,Pressure head component lower end is connected with the round grid, and the pressing sleeve is sheathed on the pressure head component periphery, described to roll lid actuator and institutePressing sleeve is stated to be connected.
As a further improvement of the above technical scheme：The pressure head component includes pressure head, guide sleeve and guide part, describedGuide sleeve inner wall is equipped with positioning convex ring, and the guide part upper end is positioned on the positioning convex ring, guide part lower end and the pressureHead is connected, and the first resilient snubber, first resilient snubber upper end and the positioning convex ring are arranged on the guide partIt abuts, the first resilient snubber lower end is abutted with the pressure head.
As a further improvement of the above technical scheme：First resilient snubber is disc spring.
As a further improvement of the above technical scheme：The guide part is T-type guide pin.
As a further improvement of the above technical scheme：The guiding set upper side is equipped with flanged joint portion, and the elasticity is slowIt includes the locating part being set on the mounting platform to rush component, and the locating part runs through the flanged joint portion, the locating partOn be arranged with the second resilient snubber, second resilient snubber upper end is abutted with the mounting platform, the second elastic bufferPart lower end is abutted with the flanged joint portion.
As a further improvement of the above technical scheme：The flanged joint portion is equipped with guide rod, described to roll lid drivingPilot hole is offered on part, the guide rod is arranged in the pilot hole, and described roll is equipped with above lid actuator for limitingThe limiting plate for being oriented to the throw of lever, is arranged with third resilient snubber on the guide rod, on the third resilient snubberEnd is abutted with the mounting platform, and third resilient snubber lower end is abutted with the flanged joint portion.
As a further improvement of the above technical scheme：Described roll is equipped with stroke adjustment between lid actuator and the pressing sleevePart, stroke adjustment part upper end are connected through a screw thread with the lid actuator that rolls, stroke adjustment part lower end and the pressing sleeve phaseEven.
As a further improvement of the above technical scheme：The stroke adjustment part is connected with the pressing sleeve by bolt, instituteThe side wall for stating guide sleeve is equipped with the guide groove moved up and down for the bolt.
As a further improvement of the above technical scheme：The guide sleeve outer wall is equipped with positioning snap ring, on the round gridIt is arranged in the positioning snap ring equipped with locating groove and by locating groove.
As a further improvement of the above technical scheme：The elevating mechanism includes pedestal, the installation above pedestalPlate, more be set to guide rods between pedestal and mounting plate, the servo motor being installed on mounting plate and defeated with servo motorThe connected leading screw of shaft, the more guide rod being arranged circumferentially along the servo motor, the mounting platform be equipped withThe nut of the leading screw cooperation and the linear bearing that cooperation is corresponded with the more guide rods.
Compared with prior art, the utility model has the advantage of：Sealing capping device disclosed by the utility model, rollsThe pressure head component upper end of headkerchief is connected to by elastic buffer member below mounting platform, and pressure head component lower end is connected with circle grid,Pressing sleeve is sheathed on pressure head component periphery and is connected with lid actuator is rolled.Complete it is filling, jump a queue and add aluminium lid bottle pass through conveyingDevice, which is delivered to, rolls lid station, and elevating mechanism, which starts, drives the headkerchief that rolls mounted thereto to decline, and pressure head component contacts aluminium firstPreload is covered and pushes, pre-tightening buffer is completed in elastic buffer member compression after-contraction, and then elevating mechanism stopping acts；Lid is rolled to driveMoving part starts, and pressing sleeve is driven to push, and circle grid are squeezed after-contraction deformation, complete compression forming to aluminium lid, lid is rolled in completion；Roll lidActuator resets, and elevating mechanism, which starts, drives the headkerchief that rolls mounted thereto to rise, and lid station is rolled in completion.When due to rolling lid, bulletProperty Buffer Unit can form buffering between pressure head component and mounting platform, while precompressed is carried out to body and aluminium lid firstTightly, aluminium lid is then carried out again and roll lid so that fore shaft stroke is relatively fixed, and bottle explosion can be effectively prevent in body deviation range.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model sealing capping device.
Fig. 2 is structural schematic diagram of the utility model sealing capping device in the first vertical section.
Fig. 3 is structure of the utility model sealing capping device in the second vertical section vertical with the first vertical sectionSchematic diagram.
Fig. 4 is the enlarged drawing at A in Fig. 2.
Fig. 5 is the structural schematic diagram of the guide rod in the utility model.
Each label indicates in figure：1, mounting platform；2, elevating mechanism；21, pedestal；22, mounting plate；23, guide rod；24, it watchesTake motor；25, leading screw；26, nut；27, linear bearing；3, headkerchief is rolled；31, pressure head component；311, pressure head；312, guide sleeve；313, guide part；314, the first resilient snubber；315, positioning convex ring；316, flanged joint portion；317, guide rod；318, it limitsPlate；319, third resilient snubber；32, pressing sleeve；321, guide groove；33, lid actuator is rolled；331, pilot hole；34, elastic bufferComponent；341, locating part；342, the second resilient snubber；35, stroke adjustment part；36, circle grid；361, locating groove；37, it insertsPin；38, positioning snap ring；10, rubber plug；20, aluminium lid.
Specific implementation mode
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 1 to Fig. 5 shows a kind of embodiment of the utility model, the sealing capping device of the present embodiment, including installationPlatform 1, elevating mechanism 2 and it is at least one roll headkerchief 3, mounting platform 1 is connected with elevating mechanism 2, roll headkerchief 3 include pressure head component31, pressing sleeve 32, roll lid actuator 33 and circle grid 36, roll lid actuator 33 and be installed on mounting platform 1,31 upper end of pressure head component is logicalIt crosses elastic buffer member 34 and is connected to 1 lower section of mounting platform, 31 lower end of pressure head component is connected with circle grid 36, and pressing sleeve 32 is sheathed on pressure31 periphery of head assembly rolls lid actuator 33 and is connected with pressing sleeve 32.It is two that headkerchief 3 is rolled in figure, and two are rolled headkerchief 3 and are arranged side by side,Also two bottles can be completed at the same time rolls lid process, in other embodiments or one or more, is completed at the same time oneOr multiple bottles roll lid process.
When work, completion is filling, adds rubber plug 10 and the bottle of aluminium lid 20 is added to be delivered to by conveying device and roll lid station, risesDescending mechanism 2, which starts, drives the headkerchief 3 that rolls mounted thereto to decline, and pressure head component 31 contacts aluminium lid 20 and pushes preload, bullet firstProperty 34 compression after-contraction of Buffer Unit, complete pre-tightening buffer, then 2 stopping of elevating mechanism act；Roll the startup of lid actuator 33, bandDynamic pressure set 32 pushes, and circle grid 36 are squeezed after-contraction deformation, complete the compression forming to aluminium lid 20, lid is rolled in completion；Roll lid drivingPart 33 resets, and elevating mechanism 2, which starts, drives the headkerchief 3 that rolls mounted thereto to rise, and lid station is rolled in completion.When due to rolling lid, bulletProperty Buffer Unit 34 can form buffering between pressure head component 31 and mounting platform 1, at the same first to body and aluminium lid 20 intoThen row pre-pressing carries out aluminium lid 20 and rolls lid so that fore shaft stroke is relatively fixed, and can effectively be prevented in body deviation range againOnly bottle explosion.
Further, in this embodiment pressure head component 31 includes pressure head 311, guide sleeve 312 and guide part 313, guide sleeve312 inner walls are equipped with positioning convex ring 315, and 313 upper end of guide part is positioned on positioning convex ring 315,313 lower end of guide part and pressure head311 are connected, and the first resilient snubber 314,314 upper end of the first resilient snubber and positioning convex ring 315 are arranged on guide part 313It abuts, 314 lower end of the first resilient snubber is abutted with pressure head 311.Wherein, the first resilient snubber 314 preferably uses disc spring, leadsTo part 313 preferably use T-type guide pin, upper end diameter it is larger to realize positioning convex ring 315 positioning, guide part 313 withPressure head 311 is preferably connected using sunk screw.When rolling lid, pressure head 311 first descends press contacts aluminium lid 20 to pre-tighten, the compression of pressure head 311 theOne resilient snubber 314,314 slight deformation of the first resilient snubber simultaneously apply work by positioning convex ring 315 on guide sleeve 312Firmly, by the slight deformation of the first resilient snubber 314 bottleneck and fore shaft position in a small range are floated, effectively keeps awayExempt from the different in size of aluminium lid 20 and generates flange.It is buffered by elastic buffer member 34 between guide sleeve 312 and mounting platform 1,Realize that buffering pre-tightens.
Further, 312 upper end of guide sleeve is equipped with flanged joint portion 316, and elastic buffer member 34 includes being set to installationLocating part 341 on platform 1, locating part 341 run through flange interconnecting piece 316, the second resilient snubber are arranged on locating part 341342,342 upper end of the second resilient snubber is abutted with mounting platform 1,342 lower end of the second resilient snubber and flanged joint portion 316It abuts.In the present embodiment, locating part 341 is rod piece of the lower end with stop nut, and rod piece upper end is connected with mounting platform 1；SecondResilient snubber 342 uses helical spring.When guide sleeve 312 is moved upwards with respect to mounting platform 1,316 edge of flanged joint portionIt locating part 341 and moves upwards and compress the second resilient snubber 342, realize buffering.
Further, flanged joint portion 316 is equipped with guide rod 317, rolls and offers pilot hole on lid actuator 33331, guide rod 317 is arranged in pilot hole 331, is rolled 33 top of lid actuator and is equipped with the limit for being used for 317 stroke of restricted guidance barPosition plate 318, is arranged with third resilient snubber 319 on guide rod 317,319 upper end of third resilient snubber is supported with mounting platform 1It connects, 319 lower end of third resilient snubber is abutted with flanged joint portion 316.In the present embodiment, guide rod 317 is two, rolls lid and drivesMoving part 33 is cylinder, and limiting plate 318 is arranged along the diagonal line of cylinder, and the diagonal position of cylinder shell opens up that there are two pilot holes331；Elastic buffer member 34 is equipped with two groups, and two groups of elastic buffer members 34 are arranged along another diagonal line of cylinder；Third bulletProperty bolster 319 preferably use helical spring.When guide sleeve 312 is moved upwards with respect to mounting platform 1, guide rod 317 gradually fromIt stretches out in pilot hole 331, when contacting limiting plate 318, just can not move again.The cooperation of guide rod 317 and pilot hole 331, canEnsure accurate positioning when 31 elevating movement of pressure head component, prevents to deviate.
Stroke adjustment part 35, stroke adjustment are equipped between lid actuator 33 and pressing sleeve 32 further, in this embodiment rolling35 upper end of part is connected through a screw thread with lid actuator 33 is rolled, and 35 lower end of stroke adjustment part is connected with pressing sleeve 32.Due to pressing sleeve 32 withIt rolls and is connected by stroke adjustment part 35 between lid actuator 33, and 35 upper end of stroke adjustment part and roll lid actuator 33 and pass through screw threadConnection compares fixed journey system, it can be achieved that pressing sleeve 32 and roll the adjustment of distance between lid actuator 33, namely roll the adjustment of lid strokeRoll lid actuator 33, range-adjustable rolls lid actuator 33 so that fore shaft power suitable size when 20 fore shaft of aluminium lid and to eachSize is constant when a bottle rolls cover lock mouth.
Further, in the present embodiment, stroke adjustment part 35 is connected with pressing sleeve 32 by bolt 37, guide sleeve 312Side wall is equipped with the guide groove 321 moved up and down for bolt 37, this is simple in structure, reliable, maintenance easy to disassemble, it is often more important thatBolt 37 can prevent pressing sleeve 32 to be oppositely oriented set 312 and shift, ensure positioning under the limit of guide groove 321, guiding roleAccurately.
Further, in this embodiment 312 outer wall of guide sleeve is equipped with positioning snap ring 38, circle grid 36 are equipped with positioning and blockSlot 361 is simultaneously arranged in by locating groove 361 in positioning snap ring 38.Between guide sleeve 312 and circle grid 36 by the way of clamping,Connection is reliable, and it is convenient to replace, and is conducive to shorten and remodel the time.
Further, elevating mechanism 2 is set to pedestal 21 including pedestal 21, the mounting plate 22 above pedestal 21, moreGuide rod 23 between mounting plate 22, the servo motor 24 being installed on mounting plate 22 and the output shaft with servo motor 24Connected leading screw 25, more being arranged circumferentially along servo motor 24 of guide rod 23, mounting platform 1 is equipped with to be coordinated with leading screw 25Nut 26 and the linear bearing 27 of cooperation is corresponded with more guide rods 23.In the present embodiment, guide rod 23 is three and is inEquilateral triangle arranges that correspondingly, servo motor 24 is then arranged in the center of equilateral triangle, and about 22 mounting plate is arranged in parallelTwo pieces.When mounting platform 1 needs lifting, servo motor 24, which starts, drives leading screw 25 to rotate, and nut 26 is then on mounting platform 1Lower movement, it is simple in structure, reliable, pass through the cooperation of linear bearing 27 and guide rod 23, it is ensured that positioning is accurate when mounting platform 1 liftsReally.Lid is rolled using servo motor 24, fast response time, 1 lifting position of mounting platform is accurate and reliable, certainly in other embodimentIn, cylinder etc. can also be used and realize function.
Although the utility model has been disclosed with preferred embodiment as above, it is not limited to the utility model.It is anyThose skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure aboveTechnology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variationsEmbodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to above realAny simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model are protected.