CN210555742U - Film wrapping device in one-piece film wrapping machine - Google Patents

Abstract

The utility model discloses a wrap up in membrane device among one piece formula wrapping machine, include: the film conveying device comprises a frame, be provided with in the frame and choose membrane conveying platform, it send and cut membrane module to be equipped with in the frame of choosing membrane conveying platform front side below, be equipped with a pair of drive sprocket in the frame of choosing the membrane conveying platform front end left and right sides, be equipped with a pair of driven sprocket in the frame of choosing the membrane conveying platform rear end left and right sides, around being equipped with a chain respectively on the drive sprocket of homonymy and driven sprocket, be connected with a plurality of membrane poles of choosing that set up along chain length direction interval about two chains, be equipped with one respectively in the left and right sides of choosing membrane conveying platform and be used for upwards holding homonymy chain and height-adjustable's chain bracket, be provided with tensioning sprocket respectively between the drive sprocket of homonymy and driven sprocket, tensioning sprocket tensioning chain under the effect. The utility model has the advantages that: the film picking height of the film picking rod can be freely adjusted, and the film picking rod is suitable for wrapping films of standard bottles and special-shaped bottles and is wide in application range.

Description

Film wrapping device in one-piece film wrapping machine

Technical Field

The utility model relates to a membrane equipment technical field, concretely relates to wrap up in membrane device in one piece formula wrapping machine.

Background

The one-piece type film wrapping machine has the characteristics of high film wrapping speed, good wrapping posture, capability of wrapping a color film with LOGO and the like, and is widely applied to the field of film wrapping of beverage bottles. The film wrapping device is an important component of the one-piece film wrapping machine and is used for wrapping the film on the bottles output from the push wrapping transition platform by the bottle pulling device and outputting the bottles to the film wrapping platform. The structure of the film wrapping device used at present comprises: the film picking and conveying device comprises a rack, a film picking and conveying platform which is arranged on the rack and can accept bottles output from a bag pushing transition platform and can move the accepted bottles forwards to the film packaging platform is arranged on the rack below the front side of the film picking and conveying platform, a film sending and cutting assembly is arranged on the rack below the front side of the film picking and conveying platform and is used for cutting a film roll into single films and outputting the single films to the film picking and conveying platform from gaps between the bag pushing transition platform and the film picking and conveying platform, a vertical moving rod with a film picking rod mounted at the upper end is arranged on the rack at the front end of the film picking and conveying platform, the film picking rod faces upwards to a gap between the film picking and conveying platform and the film packaging platform, a linear guide rail matched with the vertical moving rod, a cam driven by a film picking chain wheel is hinged to the lower end of the linear guide rail, a roller rolling along the outer edge surface of the cam is arranged on. During the use, send and cut the membrane subassembly and carry the good monolithic membrane of cutting to choose the membrane pole on the back, choose membrane sprocket drive cam to rotate, because the cam is anomalous, at cam pivoted in-process, the gyro wheel reciprocates along the outer fringe face of cam, and then drives vertical carriage release lever and reciprocate along linear guide, thereby upwards jack up the membrane, in the in-process of choosing membrane conveying platform with bottle output to membrane package platform, the bottle can push up the monolithic membrane antedisplacement of being picked up, thereby make the monolithic membrane accomplish the parcel to the bottle.

The film wrapping device has the following defects: what choose the membrane pole chooses the membrane height for with the fixed height of the high looks adaptation of standard bottle, choose the membrane pole choose the membrane height unable regulation, lead to unable being applicable to the bottle and be higher than or be lower than the wrapping up in the membrane packing of the dysmorphism bottle of standard bottle, application scope is little.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a choose membrane height-adjustable can be applicable to the wrapping up in membrane packing of standard bottle and special-shaped bottle, the wrapping up in membrane device in the wide a piece formula wrapping up in membrane machine of application scope.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the film wrapping device in the one-piece film wrapping machine comprises: a frame, a film picking and conveying platform which is arranged on the frame and can receive the bottles output from the bag pushing transition platform and forward convey the received bottles to the film packaging platform, a film feeding and cutting assembly which is arranged on the frame below the front side of the film picking and conveying platform and is used for conveying cut films and upwards outputting single films formed after the films are cut to the film picking and conveying platform from a gap between the bag pushing transition platform and the film picking and conveying platform, a pair of driving sprockets which are driven by the driving assembly to synchronously rotate are coaxially arranged on the frames on the left side and the right side of the front end of the film picking and conveying platform, a pair of driven sprockets are coaxially arranged on the frames on the left side and the right side of the rear end of the film picking and conveying platform, a chain is respectively wound on the driving sprocket and the driven sprocket on the same side, a chain bracket which is arranged above the film picking and is used for upwards supporting the chain on the same side is respectively arranged on the left side and the right side of the film picking and, two chain brackets drive both sides chain synchronous lift under synchronous lifting unit's effect about, be provided with the tensioning sprocket respectively between the drive sprocket of homonymy and driven sprocket, the tensioning sprocket is taut or loosen homonymy chain under chain tensioning unit's effect, be connected with a plurality of membrane poles of choosing that set up along chain length direction interval between two chains about, choose the membrane pole along with the chain along drive sprocket, the chain bracket, driven sprocket and tensioning sprocket round choosing membrane conveying platform back-and-forth movement, and choose the membrane pole to be greater than the transport speed who chooses membrane conveying platform along with the speed that the chain removed, thereby upwards pick up and antedisplacement parcel is lived to choosing the bottle of membrane conveying platform from pushing away the package transition platform and choosing the clearance between the membrane conveying platform with the single piece membrane.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: the structure of synchronous lifting assembly includes: the film picking and conveying device is characterized in that fixing frames are respectively installed on the left side and the right side of the film picking and conveying platform, a lifting adjusting screw rod is respectively vertically movably supported in each fixing frame, a lifting slider is connected to each lifting adjusting screw rod in a threaded mode, chain brackets on two sides are respectively fixedly installed on the lifting sliders on the same side, a synchronous chain wheel is fixedly sleeved at the upper end of each lifting adjusting screw rod respectively, and a synchronous chain is wound between the two synchronous chain wheels.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: a hand wheel is arranged at the top end of one of the lifting adjusting screw rods.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: the left and right chain brackets are connected together through a plurality of connecting rods.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: the structure of the chain tensioning assembly includes: the side plate of the corresponding side of the rack is provided with a long waist-shaped hole, a tensioning wheel shaft moving along the long waist-shaped hole is arranged in the long waist-shaped hole, one end of the tensioning wheel shaft is sleeved with a tensioning chain wheel meshed with the chain of the corresponding side, the other end of the tensioning wheel shaft is radially and threadedly connected with a translation adjusting screw rod, and the translation adjusting screw rod is installed in a fixed block on the side plate of the corresponding side of the rack and can only rotate but cannot axially move in the fixed block.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: and the translation adjusting screw rods on the two sides of the tensioning wheel shaft are respectively in threaded connection with a limiting nut.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: send the structure of cutting membrane module to include: the film conveying device comprises a film picking conveying platform, a film cutting motor, a film cutting shaft, a film cutting knife, a film conveying motor and a film conveying motor.

Further, the film wrapping device in the aforementioned one-piece film wrapping machine, wherein: the input end of each group of conveying roller sets is provided with a guide plate for leading the film into the corresponding conveying roller set smoothly and smoothly.

Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: simple structure, installation convenient to use, the stability in use is high, wraps up in the membrane fast, wraps up in the membrane gesture good, can freely adjust the membrane height of choosing the membrane pole to can be applicable to the wrapping up in the membrane packing of standard bottle and dysmorphism bottle, application scope is wide.

Drawings

Fig. 1 is a schematic structural view of a film wrapping device in a one-piece film wrapping machine of the present invention.

Fig. 2 is an enlarged schematic view of a portion H shown in fig. 1.

Fig. 3 is a schematic structural view of the film feeding and cutting assembly shown in fig. 1.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

As shown in fig. 1 and 2, the film wrapping device of the one-piece film wrapping machine includes: a frame 20, a film picking and conveying platform 11 which can receive the bottles output from the bag pushing transition platform 6 and convey the received bottles to the film packaging platform 7 is arranged on the frame 20, a film sending and cutting assembly 8 is arranged on the frame 20 below the front side of the film picking and conveying platform 11, the film sending and cutting assembly 8 is used for conveying cut films 36 and outputting single films formed after the films are cut to the film picking and conveying platform 11 from a gap between the bag pushing transition platform 6 and the film picking and conveying platform 11, a pair of driving sprockets 12 which are driven by a driving assembly to rotate synchronously are coaxially arranged on the frame 20 on the left side and the right side of the front end of the film picking and conveying platform 11, and the driving assembly is a motor in the embodiment; a pair of driven sprockets 13 are coaxially arranged on a frame 20 at the left side and the right side of the rear end of a film picking and conveying platform 11, a chain 14 is respectively wound on a driving sprocket 12 and the driven sprockets 13 at the same side, a chain bracket 19 which is positioned above the film picking and conveying platform 11 and is used for upwards supporting the chain 14 at the same side is respectively arranged at the left side and the right side of the film picking and conveying platform 11, the left chain bracket 19 and the right chain bracket 19 drive the chains 14 at the two sides to synchronously lift under the action of a synchronous lifting component, tensioning sprockets 30 are respectively arranged between the driving sprocket 12 and the driven sprockets 13 at the same side, the tensioning sprockets 30 tighten or loosen the chain 14 at the same side under the action of a chain tensioning component, a plurality of film picking rods 15 which are arranged at intervals along the length direction of the chains are connected between the left chain 14 and the right chain 14, the film picking rods 15 move around the film picking and conveying platform 11 along with the chains 14, the moving speed of the film picking rod 15 along with the chain is higher than the conveying speed of the film picking conveying platform 11, so that the single film is picked up upwards from the gap between the package pushing transition platform 6 and the film picking conveying platform 11 and moves forwards to wrap the bottle moved to the film picking conveying platform 11;

in this embodiment, the structure of the synchronous lifting assembly comprises: the film picking and conveying platform 11 is provided with a fixed frame 21 on the left and right side frames 20, a lifting adjusting screw 22 is vertically and movably supported in each fixed frame 21, each lifting adjusting screw 22 is connected with a lifting slider 23 through a thread, the chain brackets 19 on the two sides are fixedly mounted on the lifting slider 23 on the same side, the upper end of each lifting adjusting screw 22 is fixedly sleeved with a synchronous chain wheel 24, a synchronous chain 25 is wound between the two synchronous chain wheels 24, the top end of one lifting adjusting screw 22 is provided with a hand wheel 26, when the corresponding lifting adjusting screw 22 is driven to rotate by the hand wheel 26, the lifting adjusting screw 22 drives the other lifting adjusting screw 22 to synchronously rotate through the synchronous chain wheel 24 and the synchronous chain 25, so as to drive the chain brackets 19 on the two lifting adjusting screws 22 to synchronously lift, the synchronous lifting assembly is simple in structure and convenient to install and maintain; in this embodiment, the left and right chain brackets 19 are connected together by a plurality of connecting rods 27, so that the lifting synchronism of the two chain brackets can be further ensured, and the running stability of the equipment is improved;

in this embodiment, the structure of the chain tensioner assembly includes: a long waist-shaped hole 28 is formed in a side plate 201 on the corresponding side of the rack 20, a tensioning wheel shaft 29 moving along the long waist-shaped hole is arranged in the long waist-shaped hole 28, a tensioning chain wheel 30 meshed with the chain 14 is sleeved at one end of the tensioning wheel shaft 29, a translation adjusting screw rod 31 is connected to the other end of the tensioning wheel shaft 29 in a radial threaded manner, the translation adjusting screw rod 31 is mounted in a fixed block 32 on the side plate 201 on the rack 20 through a bearing, the translation adjusting screw rod 31 can only rotate but cannot axially move in the fixed block 32, when the translation adjusting screw rod 31 rotates, the tensioning wheel shaft 29 can be driven to move along the translation adjusting screw rod 31, the tensioning chain wheel 30 is synchronously driven to move back and forth, and therefore the chain is loosened or tensioned; in the embodiment, the translation adjusting screw rods 31 on the two sides of the tensioning axle 29 are respectively in threaded connection with a limiting nut 33, so that the tensioning axle 29 can be prevented from being separated from the translation adjusting screw rods 31 in the process of moving along the translation adjusting screw rods 31, and the operation stability of the equipment is further improved;

in the present embodiment, as shown in fig. 3, the structure of the film feeding and cutting assembly 8 includes: the film conveying and cutting assembly is simple in structure and convenient to install and maintain, and the film conveying and cutting assembly is arranged on the film conveying platform 11; in this embodiment, the input end of each set of conveying rollers 37 is provided with a guide plate 40 for smoothly guiding the film into the corresponding set of conveying rollers 37, so that the film wrapping effect can be improved;

the working principle of the utility model is as follows:

after a bottle shifting device 35 shifts a to-be-wrapped film bottle on a shifting conveying platform 34 to a pushing transition platform 6, two groups of conveying roller sets 37 in a film feeding and cutting device 8 upwards output a film 36 to a picking conveying platform 11 from a gap between the pushing transition platform 6 and the picking conveying platform 11, after the front section of the film reaches the picking conveying platform 11, the bottle shifting device 35 forwards the to-be-wrapped film bottle on the pushing transition platform 6 to the picking conveying platform 11, the bottle pushed to the picking conveying platform 11 is downwards pressed on the front section of the film on the picking conveying platform 11, the picking conveying platform 11 forwards the film and the bottle together, and meanwhile, a film cutting motor drives a film cutting shaft 38 to rotate to synchronously drive a film cutting knife 39 to rotate to cut the film between the two groups of conveying roller sets 37 to form a single film; then the driving component drives the two driving sprockets 12 to synchronously rotate to drive the left chain 14 and the right chain 14 to rotate, the film picking rod 15 is synchronously driven to move back and forth around the film picking conveying platform 11, the film picking rod 15 is enabled to move upwards from a gap between the package pushing transition platform 6 and the film picking conveying platform 1, in the process that the film picking rod 15 moves upwards from the gap between the package pushing transition platform 6 and the film picking conveying platform 11, the film picking rod 15 can pick the rear section of a single film upwards from the gap between the package pushing transition platform 6 and the film picking conveying platform 1, because the moving speed of the film picking rod 15 is greater than the conveying speed of the film picking conveying platform 11, along with the forward movement of the film picking rod 15, the film picking rod 15 can forwardly cover the rear part and the top part of a bottle to be wrapped with the single film, along with the forward movement of the film picking rod 15, before the film picking conveying platform 11 moves the bottle to be wrapped with the film picking conveying platform 11 out of the film picking conveying platform 11, the film picking rod 15 can firstly move downwards from the gap between the film picking conveying, synchronously bringing the rear section of the single film downwards into a gap between the film picking and conveying platform 11 and the film packaging platform 7, driving the bottle to move forwards along with the film picking and conveying platform 11, and enabling the bottle to push against the single film to move forwards in the process of moving the bottle out of the film picking and conveying platform 11, so that the single film covers the front part and the lower part of the bottle, and further completing the film wrapping operation of the bottle;

the film picking rod 15 is fixed between the two chains, so that the film picking height of the film picking rod 15 can be adjusted by adjusting the height of the chain 14; when the film picking height of the film picking rod 15 needs to be adjusted, the translation adjusting screw rods 31 on the two sides are rotated firstly, so that the tensioning wheel shafts 29 on the two sides move backwards along the corresponding long waist-shaped holes 28, the tensioning chain wheels 30 corresponding to the two sides are synchronously driven to move backwards to loosen the corresponding chains 14, then the hand wheel 26 drives one corresponding lifting adjusting screw rod 22 to rotate, the other lifting adjusting screw rod 22 is driven to rotate synchronously by the lifting adjusting screw rod 22 through the synchronous chain wheel 24 and the synchronous chain 25, so that the chain brackets 19 on the two lifting adjusting screw rods 22 are driven to lift synchronously, the chain brackets 19 synchronously drive the chains 14 and the film picking rod 15 to lift synchronously, and the action of the lifting adjusting screw rods 22 is stopped until the height of the film picking rod 15 is matched with the bottle height of a bottle to be wrapped with a film; then, the tensioning wheel shafts 29 on the two sides move forwards along the corresponding long waist-shaped holes 28, and synchronously drive the tensioning chain wheels 30 corresponding to the two sides to move forwards to tighten the corresponding chains 14, so that the operation of adjusting the height of the film picking rod is completed.

The utility model has the advantages that: simple structure, installation convenient to use, the stability in use is high, wraps up in the membrane fast, wraps up in the membrane gesture good, can freely adjust the membrane height of choosing the membrane pole to be applicable to the wrapping up in the membrane packing of standard bottle and dysmorphism bottle, application scope is wide.

Claims (8)

1. Film wrapping apparatus in a one-piece film wrapping machine, comprising: the frame, its characterized in that: a film picking and conveying platform which can receive the bottles output from the bag pushing transition platform and forward convey the received bottles to the film packaging platform is arranged on the machine frame, a film conveying and cutting component is arranged on the machine frame below the front side of the film picking and conveying platform and is used for conveying cut films and upwards outputting single films formed after the films are cut to the film picking and conveying platform from a gap between the bag pushing transition platform and the film picking and conveying platform, a pair of driving sprockets driven by the driving component to synchronously rotate are coaxially arranged on the machine frames on the left side and the right side of the front end of the film picking and conveying platform, a pair of driven sprockets are coaxially arranged on the machine frames on the left side and the right side of the rear end of the film picking and conveying platform, a chain is respectively wound on the driving sprocket and the driven sprocket on the same side, a chain bracket which is positioned above the film picking and used for upwards supporting the chain is respectively arranged on the left side and the right side of the film picking and conveying platform, two chain brackets drive both sides chain synchronous lift under synchronous lifting unit's effect about, be provided with the tensioning sprocket respectively between the drive sprocket of homonymy and driven sprocket, the tensioning sprocket is taut or loosen homonymy chain under chain tensioning unit's effect, be connected with a plurality of membrane poles of choosing that set up along chain length direction interval between two chains about, choose the membrane pole along with the chain along drive sprocket, the chain bracket, driven sprocket and tensioning sprocket round choosing membrane conveying platform back-and-forth movement, and choose the membrane pole to be greater than the transport speed who chooses membrane conveying platform along with the speed that the chain removed, thereby upwards pick up and antedisplacement parcel is lived to choosing the bottle of membrane conveying platform from pushing away the package transition platform and choosing the clearance between the membrane conveying platform with the single piece membrane.

2. The film wrapping apparatus in a one-piece film wrapping machine according to claim 1, wherein: the structure of synchronous lifting assembly includes: the film picking and conveying device is characterized in that fixing frames are respectively installed on the left side and the right side of the film picking and conveying platform, a lifting adjusting screw rod is respectively vertically movably supported in each fixing frame, a lifting slider is connected to each lifting adjusting screw rod in a threaded mode, chain brackets on two sides are respectively fixedly installed on the lifting sliders on the same side, a synchronous chain wheel is fixedly sleeved at the upper end of each lifting adjusting screw rod respectively, and a synchronous chain is wound between the two synchronous chain wheels.

3. The film wrapping apparatus in a one-piece film wrapping machine according to claim 2, wherein: a hand wheel is arranged at the top end of one of the lifting adjusting screw rods.

4. The film wrapping apparatus in a one-piece film wrapping machine according to claim 2, wherein: the left and right chain brackets are connected together through a plurality of connecting rods.

5. The film wrapping apparatus in a one-piece film wrapping machine according to claim 1, wherein: the structure of the chain tensioning assembly includes: the side plate of the corresponding side of the rack is provided with a long waist-shaped hole, a tensioning wheel shaft moving along the long waist-shaped hole is arranged in the long waist-shaped hole, one end of the tensioning wheel shaft is sleeved with a tensioning chain wheel meshed with the chain of the corresponding side, the other end of the tensioning wheel shaft is radially and threadedly connected with a translation adjusting screw rod, and the translation adjusting screw rod is installed in a fixed block on the side plate of the corresponding side of the rack and can only rotate but cannot axially move in the fixed block.

6. The film wrapping apparatus in a one-piece film wrapping machine according to claim 5, wherein: and the translation adjusting screw rods on the two sides of the tensioning wheel shaft are respectively in threaded connection with a limiting nut.

7. The film wrapping apparatus in a one-piece film wrapping machine according to claim 1, wherein: send the structure of cutting membrane module to include: the film conveying device comprises a film picking conveying platform, a film cutting motor, a film cutting shaft, a film cutting knife, a film conveying motor and a film conveying motor.

8. The film wrapping apparatus in a one-piece film wrapping machine according to claim 7, wherein: the input end of each group of conveying roller sets is provided with a guide plate for leading the film into the corresponding conveying roller set smoothly and smoothly.

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