CN101306790A - Clamping jaw track displacement device for bottle filler - Google Patents
Clamping jaw track displacement device for bottle filler Download PDFInfo
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- CN101306790A CN101306790A CNA200710200645XA CN200710200645A CN101306790A CN 101306790 A CN101306790 A CN 101306790A CN A200710200645X A CNA200710200645X A CN A200710200645XA CN 200710200645 A CN200710200645 A CN 200710200645A CN 101306790 A CN101306790 A CN 101306790A
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- jaw
- chain
- displacement device
- cam
- slide block
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Abstract
The invention provides a grip pawl track displacement device for a liquid filling machine. Two chains (8) drive two groups of grip pawls to circularly move, wherein a pressure grip pawl and a heating grip pawl are correspondingly inserted into a packaging material tubular object (20) to pull the packaging material tubular object to a predetermined length position and then the packaging material tubular object engages with the position, so that the packaging material tubular object forms a transversely sealed packaging container (21). The chains (8) of the displacement device move on a circular guide wheel (6); cams (1, 1*) are arranged in parallel with the guide wheel (6); sliding blocks (3, 3*) are arranged at one end of each of the grip pawl pedestals (2, 2*); and the end of each of the grip pawl pedestals (2, 2*), where the sliding blocks are installed, generates displacement via the relative movement of the cams and the sliding blocks, so as to change the insertion position of the grip pawls into the packaging material tubular object (20) and the deformation track of the entire pressing section to adapt to the requirements on the predetermined pulling length and the sealing shape and volume of the packaging container.
Description
Technical field
The present invention relates to a kind of clamping jaw track displacement device, the bottle placer that is used for the aseptic packaging of fluid food, beverage, make jaw to the cutting into position and the trajectory generation respective change of packing, produce the requirement of different size specification packing container to adapt to same bottle placer.
Background technology
Aseptic packaging is a kind ofly to prevent that germ from entering the work programme of packaging product in pouring process and after the can, be meant that packaged liquid food passes through the sterilization of short time before packing, then under aseptic condition, promptly under all aseptic condition of packing material, packed article, packing auxiliary appliance, in aseptic environments, fill a kind of packing technique with involution.
Product after the aseptic packaging; the germ, toxin and the germ that do not contain easy breeding; do not need anti fouling composition; and packing container can prevent the secondary invasion of bacterium or germ, and its special protection performance is more effective slows down the unnecessary variation of product because of producing with air, other gas, peculiar smell and light mutual action.Even under the condition of not having refrigeration, packaging product still may be preserved considerable time.
Above-mentioned packaging product processes in aseptic filler, and packing container involution shape can be pincushion, brick shape.In bottle placer, packaging strip is untied from reel, is transported to chlorination equipment, and by applying a kind of chemosterilant, as hydrogen peroxide, packaging strip is sterilized processing.Packaging strip after sterilization is evaporated by force and is pushed, and surface disinfectant is removed.Then, packaging strip is shaped to ellipticity earlier on working direction, and the one-step shaping of going forward side by side is cylindric and the tubular article of two longitudinal edges overlap joint involution (vertical envelope).This tubular article one end is by the horizontal involution of jaw (horizontal sealing), promptly form the top (or bottom) of packing container after, fill such as the flowing material after the sterilizations such as beverage, milk by another open end.Then, the open end of tubular article is also accordingly by the horizontal involution of jaw (horizontal sealing), and the bottom (or top) of making packing container.Cutting knife cuts the middle part in above-mentioned horizontal sealing zone then, and single packing container forms.As selection, packing container can be by corresponding folding and shaped device, and is folding further and form final shape, the i.e. packing container of brick shape or other shapes along folding line.
Aseptic filler can be divided into rocker-arm, chain conveying-type according to the mode of motion of shaped device.The rocker-arm bottle placer so capacity rating is lower, belongs to early stage sterile filling device because of having only both arms participation work.
Bottle placer commonly used at present is the chain conveying-type, as pillow bag, brick filling machine, as shown in Figure 1.Its structure comprises: control housing 15, and sterilization chamber 12, aseptic storehouse 13, framework 14, chain type is carried shaped device 16.Packaging strip 11 is made into to rest the head on contract for fixed output quotas product or the semi-finished packing container 17 of brick bag through this bottle placer processing.
Chain type carries shaped device 16 to comprise two groups of chains, a plurality of (greater than 2, modal is 8-12) heating paw and pressurization paw (being referred to as jaw) is housed respectively, and defines the corresponding circulating path of jaw.Heating jaw on one group of chain cooperates with corresponding pressurization jaw on another group chain along respective paths, the packing tubular article (incision) of common incision feeding, tube material thing is pulled to engagement (sealing) behind (drawing paper) certain size position, makes it become the packages sealed container.Above-mentioned draw paper and sealing form the whole pressing section of jaw to packing.
Existing chain conveying-type bottle placer comparatively is typically the TBA19 type machine of Sweden Tetrapack company.The jaw of this type and chain are integral type, promptly jaw play incision, draw paper, in the main effect of sealing, also a part of chain link as chain uses.The every side of jaw has pair of links, and by being installed in the special-purpose chain link on the connecting rod, adjacent jaw is attached to together, and no chain link connects between two connecting rods of every jaw itself.Connecting rod and jaw are rigid connection.Two pair rollers each side are set below jaw, and during chain-driving, chain drives jaw, along the orbiting motion of chain guide.
This type is provided with two pairs of chain guides by the both sides at the bottle placer shaped device, drives jaw by chain and realizes the jaw displacement along the orbiting motion of chain guide, and structure is too complicated, and manufacturing cost is higher, safeguards also inconvenient.
And, when using same bottle placer to process the packing container of different capabilities specification, need be all chain guides, two pairs of promptly every sides, eight chain guide rails are changed altogether, and work capacity is bigger, and adjusts loaded down with trivial details.
In addition, the jaw of this type and conveyor chain are one, and promptly jaw uses as the chain link in the chain, makes that chain must be by special-purpose "one off" production, and cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of have to improve draw the paper length function, and clamping jaw track displacement device simple in structure is so that by to the simple adjustment of same bottle placer and the replacing of less parts, adapt to the requirement of different length specification packing container.
The technical solution adopted in the present invention is: every chain moves on circular track adjusting wheel; Cam is parallel to the track adjusting wheel setting; One end of jaw is provided with slide block; By the relative motion of above-mentioned cam and slide block, jaw one end that slide block is installed can be produced displacement by jack-up, changes jaw to the cutting into position of packing tubular article and the deformation locus of whole pressing section.
Cam face is to decide according to the capacity requirement of packing container, and the material of packing container is short more, and the incision inclined-plane of cam is more little from the distance of track adjusting wheel axle center line; The material of packing container is long more, and the incision inclined-plane of cam is big more from the distance of track adjusting wheel axle center line.
It is inner or outside that cam can be mounted in two parallel track adjusting wheels of every side, and arrange about the midway location place plane symmetry of two track adjusting wheels.Certainly, also can arrange a cam at the midway location of two track adjusting wheels.When midway location was arranged cam, cam add up to odd number; When the cam midway location was arranged, cam did not add up to even number.
In the clamping jaw track displacement device of the present invention, the standard chain that chain links to each other for each chain link, jaw no longer is the part of chain.Have outstanding bearing pin on the chain link that keeps at a certain distance away, jaw is installed on the chain hinge pin by the hole of connecting rod.
Track adjusting wheel of the present invention is rounded, can be the sprocket wheel that has tooth, promptly by rotating with the engaged transmission of chain.Track adjusting wheel also can be that radial edges is anodontia, and is smooth, and axial width is less than the disk of chain width, its fully by and chain between friction and rotate, promptly exist and chain between skidding, both motions can be asynchronous.Certainly, track adjusting wheel can not rotated fully yet, and the edge is smooth, only plays the directional tagging of chain.
Certainly, in the clamping jaw track displacement device of the present invention, can also between jaw and connecting rod (or slide block), elastic position rebounding device be set, as spring, so that jaw and cam contact relatively are comparatively mild when separating, and the path of motion of chain on track adjusting wheel is remained unchanged.Especially all adopt the situation of connecting rod and chain coupling for the rear and front end of the every side of jaw, will adopt above-mentioned elastic coupling in the jaw end that slide block is installed at least, make jaw relatively connecting rod produce motion, as displacement, rotation inclination etc.
This bottle placer is with chain drive, drives the jaws of forming occurring more, and paper, sealing are cut, drawn to the packing that form tubular article through vertically involution and perfusion, cut then form independently the form pillow packs product or brick shape packaged semi-finished.Brick shape is packaged semi-finished by follow-up terminal folding forming device, and knuckle is shaped as complete liquid side and is bundled into product.
This jaw displacement device changes the jaw run trace by the cam and the slide block of relative motion.And by the adjustment of cam size and dimension, the shape after making the packing tubular article length of every bag draw cut and cutting shaping can adapt to the needs that follow-up knuckle is shaped.
Use clamping jaw track displacement device of the present invention, need not the key function that complicated multichannel track can be finished filling liquid, can adapt to the paper length of presetting that draws, and and then improve application force and the distortion situation of jaw the packing tubular article.
Because it is clamping jaw track displacement device of the present invention is simple in structure, by the replacing of cam and the corresponding adjustment of bottle placer, can satisfy the different requirements to the packing container capacity specifications, swift to operate, convenient.
Because chain oblong track adjusting wheel motion does not all the time have or friction seldom relatively, warp-wise is stressed little, makes that noise is little, stable and do not have frictional loss, and very high life-span and reliability are arranged.
In addition, because chain moves on circular track adjusting wheel all the time, its path of motion does not change, and for to be totally independent of the whole piece chain of jaw, so can adopt the common standard specification.Manufacturing and maintenance cost that like this can not only bigger saving bottle placer also make and carry the operations such as dismounting, installation, replacing of shaped device quick more, simple to chain type.
Definition word among the present invention, its meaning is explained as follows.
Jaw, be meant to the packing tubular article play incision, draw paper, the device of sealing function, be divided into heating jaw and pressurization jaw, specifically comprise connecting rod, slide block, jaw pedestal, pressure block/contact rod, even part such as capacity holder, wherein slide block and jaw pedestal can be one, promptly belong to a part.In this specification sheets, utilize jaw to refer to a part on the jaw sometimes, as the jaw pedestal, concrete implication is decided according to the actual conditions of front and back literary composition.
The working part of jaw is meant the contact portion of jaw and packing tubular article, is the contact rod of heating jaw and the pressure block of pressurization jaw generally speaking.
Description of drawings
Accompanying drawing of the present invention is not represented the actual size relation, and has omitted Partial Feature as required in drawing.
Fig. 1 is the bottle placer structural representation.
Fig. 2 is the block diagram of clamping jaw track displacement device of the present invention, for clarity sake, has removed the part parts;
Fig. 3 is the lateral plan of clamping jaw track displacement device of the present invention, for clarity sake, has removed the part parts;
Fig. 4 is in the clamping jaw track displacement device of the present invention, the motion embodiment one of jaw on cam;
Fig. 5 is in the clamping jaw track displacement device of the present invention, the motion embodiment two of jaw on cam;
Fig. 6 is in the clamping jaw track displacement device of the present invention, the motion embodiment three of jaw on cam;
Fig. 7 is in the clamping jaw track displacement device of the present invention, the cam face when another draws paper length and packing container capacity;
Fig. 8 is in the clamping jaw track displacement device of the present invention, the cam face when path of motion is curve;
Fig. 9 is in the clamping jaw track displacement device of the present invention, the block diagram of jaw top shoe;
Figure 10 is in the clamping jaw track displacement device of the present invention, another embodiment block diagram of jaw top shoe.
The specific embodiment
As Fig. 2, shown in Figure 3, be the embodiment that the present invention is used for the clamping jaw track displacement device of bottle placer.
One group (more than two) heating jaw is installed on setting, parallel two pairs (the promptly a group) chain 8 by connecting rod 4, bearing pin 7.Chain 8 one ends hang on the circular track adjusting wheel 6, and an end hangs on the driven wheel (non-protection domain of the present invention, not shown).Track adjusting wheel 6 is in the form of annular discs, and radial edges is anodontia, and is smooth, and axial width is less than the chain width.On axle 5, and axle 5 is fixedly installed on the frame 10 of bottle placer track adjusting wheel 6 by bearing installation.Pair of cams 1 is fixedly mounted on the axle 5, and about the central cross-section of axle 5 symmetric arrangement roughly.The working part of heating jaw is a contact rod 9, is installed on the jaw pedestal 2.When contact rod 9 fed high-frequency currents, the metal level in the packing produced inducing current as aluminium foil layer, and generated heat, and then the thermoplastic layer material of fusing packing.Has slide block 3 below the jaw pedestal 2.Driven wheel drives chain 8, and chain 8 and then drive heating jaw move on track adjusting wheel 6.Heating jaw pedestal 2 contacts relatively with cam 1 by slide block 3 and separates, and heat jaw during contact by jack-up, thereby cause its path of motion generation displacement, promptly no longer be original circular trace.
In like manner, another group (more than two) pressurization jaw is installed on setting, parallel two pairs (being another group) chain 8 by connecting rod 4*, bearing pin 7.Chain 8 one ends hang on the circular track adjusting wheel 6, and an end hangs on the driven wheel (non-protection domain of the present invention, not shown).Track adjusting wheel 6 is in the form of annular discs, and radial edges is anodontia, and is smooth, and axial width is less than the chain width.On axle 5, and axle 5 is fixedly installed on the frame 10 of bottle placer track adjusting wheel 6 by bearing installation.Pair of cams 1* is fixedly mounted on the axle 5, and about the central cross-section of axle 5 symmetric arrangement roughly.The working part of pressurization jaw is pressure block 9*, is installed on the jaw pedestal 2*.Pressure block 9* is corresponding with heating rod 9, co-extruded packing 20, and make it form lateral seal area.Has slide block * below the pressurization jaw pedestal 2*.Driven wheel drives chain 8, and chain 8 and then drive pressurization jaw pedestal 2* move on track adjusting wheel 6.Pressurization jaw pedestal 2* is by slide block 3* and cam 1* contact and separating relatively, and the jaw that pressurizes during contact is by jack-up, thereby causes its path of motion generation displacement, promptly no longer is original circular trace.
Bearing pin 7 in above-mentioned has two effects.On the one hand, bearing pin 7 plays the connection adjacent link, makes chain 8 form whole secondary chain.On the other hand, connecting rod 4/4* is installed on the bearing pin 7 by its two stomidium, makes chain 8 drive jaw pedestal 2/2* by connecting rod then.Bearing pin 7 and connecting rod 4/4* can adopt non-Desing of Interference Joint, make jaw pedestal 2/2* can be installed on the whole secondary chain 8 with inserted mode quickly and easily by connecting rod 4/4*.
During work, two groups of chains 8 drive many group heating jaws, pressurization jaw circulating motion with respective numbers, wherein a pressurization jaw and heats the corresponding incision packing of jaw tubular article 20, mesh after packing tubular article 20 is pulled to the preset length position, make the packing tubular article form the packing container 21 of transverse sealing.
The motion conditions of jaw on cam 1/1* can have the subordinate several.
As shown in Figure 4, slide block 3/3* is positioned at the rear end of jaw pedestal 2/2*; The front end of jaw pedestal 2/2* is installed on the chain 8 by connecting rod 4/4*.
As shown in Figure 5, slide block 3/3* is positioned at the front end of jaw pedestal 2/2*; The rear end of jaw pedestal 2/2* is installed on the chain 8 by connecting rod 4/4*.
As shown in Figure 6, jaw pedestal 2/2* front end, rear end are installed on the chain 8 by connecting rod 4/4* respectively, and slide block 3/3* is at the front end of jaw pedestal 2/2*, at jaw one end that slide block 3/3* is installed, connecting rod 4/4* and jaw pedestal 2/2* adopt Flexible Connector to connect, as spring 41, and guide rod 42.When slide block 3/3* contact cam 1/1*, the front end of jaw pedestal 2/2* acts on spring 41, and lifts along guide rod 42; When slide block 3/3* left cam 1/1*, spring 41 made the front end of jaw pedestal 2/2* get back to the home position.Certainly, slide block 3/3* also can be in the rear end of jaw pedestal 2/2*, and this moment, Flexible Connector connect, as spring 41 and guide rod 42, on the end link of back.
The cam 1/1* shape of this device is to decide according to shape, the capacity requirement of packing container 21, and as Fig. 7: the band of packing container 21 is short more, and the incision inclined-plane 42 of cam 1/1* is more little from the distance H of track adjusting wheel axle center line; The band of packing container 21 is long more, and the incision inclined-plane 42 of cam 1/1* is big more from the distance H of track adjusting wheel axle center line.
Curved surface 43 also can be made according to the moulding needs in the incision inclined-plane of cam 1/1*, as shown in Figure 8.
Claims (10)
1. clamping jaw track displacement device that is used for bottle placer, drive two groups of jaw circulating motions by two groups of chains (8), wherein a pressurization jaw and heats jaw corresponding incision packing tubular articles (20), mesh after packing tubular article (20) is pulled to the preset length position, make the packing tubular article form the packing container (21) of transverse sealing, it is characterized in that: the chain of this displacement device (8) is gone up motion in circular track adjusting wheel (6); Cam (1,1*) is parallel to track adjusting wheel (6) setting; One end of jaw pedestal (2,2*) is provided with slide block (3,3*); (1,1*) and the relative motion of slide block (3,3*), jaw pedestal (2, the 2*) end that slide block (3,3*) is installed produces displacement, changes jaw to the cutting into position of packing tubular article (20) and the deformation locus of whole pressing section by above-mentioned cam.
2. displacement device as claimed in claim 1 is characterized in that: the track adjusting wheel of this device (6) is in the form of annular discs, and radial edges is anodontia, and axial width is less than the chain width.
3. displacement device as claimed in claim 2 is characterized in that: the cam of this device (1,1*) shape is to decide according to the capacity requirement of packing container (21); The material of packing container (21) is short more, and the incision inclined-plane (42) of cam (1,1*) is more little from the distance (H) of track adjusting wheel axle center line; The material of packing container (21) is long more, and the incision inclined-plane (42) of cam (1,1*) is big more from the distance (H) of track adjusting wheel axle center line.
4. displacement device as claimed in claim 2 is characterized in that: the incision inclined-plane (42) of the cam of this device (1,1*), needing according to the moulding of packing container (21) can be curved surface (43).
5. as claim 3 or the described displacement device of claim 4, it is characterized in that: have outstanding bearing pin (7) on the chain of this device (8), connecting rod (4,4*) is installed on the bearing pin (7) with inserted mode, forms the connection of jaw pedestal (2,2*) and chain (8).
6. displacement device as claimed in claim 5 is characterized in that: the slide block of this device (3,3*) is positioned at the rear end of jaw pedestal (2,2*); The front end of jaw pedestal (2,2*) is installed on the chain (8) by connecting rod (4,4*).
7. displacement device as claimed in claim 5 is characterized in that: the slide block of this device (3,3*) is positioned at the front end of jaw pedestal (2,2*); The rear end of jaw pedestal (2,2*) is installed on the chain (8) by connecting rod (4,4*).
8. displacement device as claimed in claim 5 is characterized in that: the jaw pedestal of this device (2,2*) front end, rear end are installed on the chain (8) by connecting rod (4,4*) respectively; At the jaw pedestal that slide block (3,3*) is installed (2, a 2*) end, connecting rod (4,4*) adopts Flexible Connector (41,42) and jaw pedestal (2,2*) to connect, and makes jaw pedestal (2,2*) connecting rod (4,4*) generation displacement relatively.
9. as claim 6 described displacement device of arbitrary claim to the claim 8, it is characterized in that: the thrust (31) of the slide block of this device (3,3*) by the lower end gone up to form and slided at cam (1,1*).
10. as claim 6 described displacement device of arbitrary claim to the claim 8, it is characterized in that: the slide block of this device (3,3*) lower end is equipped with roller (31), and the relative motion of cam (1,1*) and slide block (3,3*) is to roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710200645XA CN101306790A (en) | 2007-05-18 | 2007-05-18 | Clamping jaw track displacement device for bottle filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710200645XA CN101306790A (en) | 2007-05-18 | 2007-05-18 | Clamping jaw track displacement device for bottle filler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101306790A true CN101306790A (en) | 2008-11-19 |
Family
ID=40123501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710200645XA Pending CN101306790A (en) | 2007-05-18 | 2007-05-18 | Clamping jaw track displacement device for bottle filler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101306790A (en) |
-
2007
- 2007-05-18 CN CNA200710200645XA patent/CN101306790A/en active Pending
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Open date: 20081119 |