CN110816926A - Synchronous feeding device for easy-to-tear tapes and film packaging device - Google Patents

Abstract

The invention discloses a synchronous feeding device for an easily torn tape, which comprises a rack and an easily torn tape conveying mechanism arranged on the rack, wherein the easily torn tape conveying mechanism comprises an easily torn tape roll, a driving mechanism and a first cache mechanism, the driving mechanism can drive the easily torn tape roll to rotate, the first cache mechanism comprises a first swing arm, a first rotating wheel set and a second rotating wheel set, the first swing arm is rotatably connected with the rack, the second rotating wheel set is arranged on the first swing arm, the first rotating wheel set and the first swing arm are arranged at intervals, the easily torn tape is sequentially wound on the second rotating wheel set and the first rotating wheel set through the easily torn tape roll, and the easily torn tape is attached to a film of the film conveying mechanism after being output from the first rotating wheel set. The method can effectively reduce wrinkles on the film, and is favorable for improving the appearance attractiveness of the product.

Description

Synchronous feeding device for easy-to-tear tapes and film packaging device

Technical Field

The invention relates to the technical field of packaging equipment, in particular to an easy-to-tear tape synchronous feeding device and a film packaging device comprising the easy-to-tear tape synchronous feeding device.

Background

For a film wrapping machine for wrapping a package (such as a cigarette box), an intermittent film feeding system is generally used for feeding a film for wrapping the package, and the film feeding system has a large acceleration during the feeding of the film, and the acceleration of the film directly acts on a tear tape attached to the film, so that the elongated tear tape is stretched and deformed. In order to reduce the tensile deflection of easily tearing the area, generally will easily tear the area and attached on the film after tensile, nevertheless when the film is asynchronous with easily tearing the area feed, can lead to the easily tearing area attached on the film to form the fold, influence and seal the membrane quality.

In the prior art, generally set up the buffer part of flexure strip as easily tearing the area on the conveying mechanism of easily tearing the area, provide the buffering for easily tearing the area through the flexure strip for can not cause the too big drawing of easily tearing the area at the in-process of carrying the film, thereby easily tear the fold that the area formed on the film. However, the easy-to-tear tape conveying mechanism has no obvious effect on improving wrinkles on the film, especially in the case of conveying the film and the easy-to-tear tape at a high speed and a long distance.

Disclosure of Invention

The invention aims to: the utility model provides an easy tear tape synchronous feedway and film packaging plant, it can effectually reduce the fold on the film, is favorable to improving the aesthetic property of product outward appearance.

In order to achieve the purpose, the invention adopts the following technical scheme:

on the one hand, provide an easy tear tape synchronous feedway, be in including frame and setting easy tear tape conveying mechanism in the frame, easy tear tape conveying mechanism is including easily tearing the roll of strip, actuating mechanism and first buffer gear, actuating mechanism can drive easily tearing the roll of strip and rotate, first buffer gear includes first swing arm, first rotation wheelset and second rotation wheelset, first swing arm with the frame is rotated and is connected, the second rotates the wheelset setting and is in on the first swing arm, first rotation wheelset with first swing arm interval sets up, easy tear the area by easily tear the roll of strip and wind in proper order and establish the second rotation wheelset with on the first rotation wheelset, easy tear the area follow attached on film conveying mechanism's film behind the output of first rotation wheelset.

Conduct synchronous feedway of easy tear tape a preferred technical scheme, actuating mechanism includes pinch roller, driving motor and second swing arm, the second swing arm with the frame rotates to be connected, driving motor can drive the pinch roller rotates, the pinch roller sets up the second swing arm is kept away from the one end of frame, the pinch roller with easily tear the roll of strip butt.

Conduct synchronous feedway of easy tear tape a preferred technical scheme, driving motor passes through the drive of hold-in range subassembly the pinch roller rotates, the hold-in range subassembly includes hold-in range, action wheel and follows the driving wheel, the hold-in range is around establishing the action wheel with follow driving wheel is last, driving motor's motor shaft runs through the frame, the action wheel with the second swing arm is kept away from the one end of pinch roller all with the motor shaft is connected, install from the driving wheel in the second swing arm, just from the driving wheel with the pinch roller is connected.

Conduct synchronous feedway of easy tear tape a preferred technical scheme, the action wheel with be provided with the elasticity wheel from between the driving wheel, the elasticity wheel pass through the reference column with the frame is connected, the elasticity wheel with the hold-in range butt, the second swing arm is kept away from one side concave constant head tank that is equipped with of easy tear tape roll, the free end of reference column is located in the constant head tank.

As an easily tear synchronous feedway of area a preferred technical scheme, first swing arm through first axis of rotation with the frame is connected, easily tear area conveying mechanism still including detecting electric eye and reset unit, reset unit includes third swing arm and balancing weight, the third swing arm is connected first axis of rotation is kept away from the one end of first swing arm, first swing arm passes through first axis of rotation drives the synchronous rotation of third swing arm, the balancing weight with the third swing arm is kept away from the one end of first axis of rotation is connected, it is used for detecting to detect the electric eye the position of third swing arm, works as it detects to detect the electric eye during the third swing arm, stop the drive driving motor rotates, works as it does not detect to detect the electric eye during the third swing arm, the drive driving motor rotates.

As an optimal technical scheme of the easy-tear tape synchronous feeding device, the detection electric eye is connected with the rack through an electric eye connecting plate, the third swing arm is located between the rack and the detection electric eye, and the third swing arm can abut against the electric eye connecting plate.

As a preferable technical scheme of the synchronous feeding device for the easily torn strips, a bearing roller is arranged between the easily torn strip coil and the first caching mechanism, the bearing roller can rotate around the axis of the bearing roller, and the easily torn strips abut against the bearing roller.

As a preferable technical scheme of the easy-to-tear tape synchronous feeding device, the film conveying mechanism comprises a feed roller, a film roll and a second caching mechanism, the film is sequentially wound on the second caching mechanism and the feed roller by the film roll, and the first caching mechanism is positioned between the feed roller and the second caching mechanism.

As an optimal technical scheme of the synchronous feeding device for the easily torn strips, the second buffer mechanism comprises a fourth swing arm, a first rotating roller set and a second rotating roller set, the second rotating roller set is arranged on the fourth swing arm, the first rotating roller set is arranged between the fourth swing arm and the feeding roller, the fourth swing arm is rotatably connected with the frame, the fourth swing arm is respectively connected with a first elastic component and a second elastic component, the first elastic component has a trend of driving the fourth swing arm to rotate anticlockwise, the second elastic driving component can pull the fourth swing arm to rotate clockwise, and the film is sequentially wound on the second rotating roller set and the first rotating roller set by the film roll.

On the other hand, a packaging device is further provided, and the packaging device comprises the easy-tear tape synchronous feeding device.

The easy-to-tear tape packaging device has the advantages that the first set of rollers can be flexibly controlled to release the easy-to-tear tape through the traction force of the film on the easy-to-tear tape, so that the synchronous output of the easy-to-tear tape and the film is realized, the tension of the easy-to-tear tape is kept stable, the easy-to-tear tape and the film are ensured to have only slight tension when being adhered, the synchronous output of the easy-to-tear tape and the film is realized, the easy-to-tear tape is prevented from being stretched and deformed due to overlarge tension, wrinkles formed on the film when the first rotating roller set of the easy-to-tear tape is adhered to the first rotating roller set of the film are effectively reduced.

Drawings

The invention is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic overall structure diagram of a synchronous feeding device for easy-to-tear tapes according to an embodiment.

Fig. 2 is an angle structure diagram of the easy-tear tape conveying mechanism according to the embodiment (the conveying wheel is not shown in the figure).

Fig. 3 is a schematic structural view of another angle of the easy-tear tape conveying mechanism according to the embodiment.

Fig. 4 is a schematic structural diagram of a film conveying mechanism according to an embodiment (a feed roller and a transition roller are not shown in the figure).

In the figure:

1. an easy-to-tear tape conveying mechanism; 11. a first set of rollers; 12. a pinch roller; 13. a positioning column; 14. positioning seats; 1401. a first positioning plate; 1402. a second positioning plate; 15. positioning a groove; 16. an installation part; 17. a carrying roller; 1701. a connecting portion; 1702. a first connection hole; 18. a first swing arm; 19. a second rotating wheel; 110. a first rotating wheel; 111. an output wheel; 112. a drive motor; 113. a synchronous belt; 114. a tension wheel; 115. mounting a plate; 116. a connecting rod; 117. a balancing weight; 118. detecting an electric eye; 119. an electric eye mounting plate; 120. a first rotating shaft; 121. a second bearing; 122. a third swing arm; 123. a driving wheel; 124. a second swing arm;

2. a film conveying mechanism; 21. a second set of rollers; 22. a fourth swing arm; 23. a second rotating roller; 24. a first rotating roller; 25. a transition roll; 26. a feed roller; 27. a first mounting boss; 28. a traction belt; 29. a first tension spring; 210. a friction wheel; 211. a fixing member; 212. a third bearing; 213. a second tension spring; 214. a third rotating shaft;

3. a frame;

4. an easily tearable tape;

5. a film;

6. an easily torn tape roll;

7. a roll of film.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the invention provides a synchronous feeding device for an easy-to-tear tape 4, which comprises a frame 3, and an easy-to-tear tape conveying mechanism 1 and a film conveying mechanism 2 which are respectively arranged on the frame 3. Easily tear area conveying mechanism 1 and include easily tear tape roll 6, actuating mechanism, first buffer memory mechanism and reset unit, actuating mechanism can drive easily tear tape roll 6 and rotate. Specifically, the easy-tear tape roll 6 is disposed on the first set of rollers 11, and the driving mechanism drives the first set of rollers 11 to rotate so as to drive the easy-tear tape roll 6 to rotate, so as to release the easy-tear tape 4. First buffer memory mechanism includes first swing arm 18, first runner wheelset and second runner wheelset, first swing arm 18 through first axis of rotation 120 with frame 3 rotates to be connected, the second runner wheelset sets up on the first swing arm 18, first runner wheelset with 18 intervals of first swing arm set up, easily tear area 4 by easily tear tape roll 6 and establish around in proper order the second runner wheelset with on the first runner wheelset, easily tear area 4 follow attached on film 5 of film conveying mechanism 2 behind the output of first runner wheelset. The first swing arm 18 can rotate between a first position and a second position, when the first swing arm 18 is located at the first position, the driving mechanism drives the first set of rollers 11 to rotate, so that the easy-tear tape roll 6 on the first set of rollers 11 releases the easy-tear tape 4, when the first swing arm 18 is located at the second position, the driving mechanism stops driving the first set of rollers 11 to rotate, and the first swing arm 18 returns from the first position to the second position through a resetting component.

In this embodiment, the easy-tear tape conveying mechanism 1 further includes an output wheel 111, the output wheel 111 is located below the first rotating wheel set, and the easy-tear tape 4 is output from the first rotating wheel set and passes through the output wheel 111, and then is attached to the film 5 of the film conveying mechanism 2.

Specifically, one side of the easy-tear tape 4 has an attaching layer, the easy-tear tape 4 is attached to the surface of the film 5 through the attaching layer, and the easy-tear tape 4 output from the output wheel 111 abuts against the film 5 output from the film conveying mechanism 2 and is attached behind the film 5, so that the easy-tear tape 4 and the film 5 are synchronously conveyed in the film conveying mechanism 2. In the present embodiment, the surface of the frame 3 on which the first set of rollers 11 is disposed is used as a reference surface, and the first buffer mechanism is disposed at the right side of the first set of rollers 11 at intervals. When the easy-to-tear tape 4 is conveyed, the tension of the easy-to-tear tape 4 is increased under the traction of the film 5, and the first swing arm 18 is pulled to rotate along the direction close to the first rotating wheel set, so that the first swing arm 18 gradually rotates from the second position to the first position. When the first swing arm 18 rotates to the first position, the driving mechanism drives the first set of rollers 11 to rotate clockwise, so that the easy-to-tear tape roll 6 rotates and releases the easy-to-tear tape 4 with a certain length, the released easy-to-tear tape 4 can be conveyed to the first caching mechanism under the traction of the film 5, the tension of the easy-to-tear tape 4 is reduced, along with the reduction of the tension of the easy-to-tear tape 4, the first swing arm 18 is gradually restored to the second position from the first position under the action of the resetting component, when the first swing arm 18 is located at the second position, the driving mechanism stops driving the first set of rollers 11 to rotate, and the easy-to-tear tape roll 6 suspends the release of the easy-to-tear tape 4. When packing the box body, film 5 is according to the used time intermittent type nature transport film 5 of packing box body, adopt foretell design, can be through the traction force of film 5 to easy tear tape 4, the nimble control is easily torn roll of coil 6 and is released and is easily torn area 4, realize the synchronous output of easily tearing tape 4 and film 5, make the tension of easily tearing tape 4 remain stable, only have slight tension when guaranteeing to easily tear tape 4 and 5 laminating of film, realize the synchronous output of easily tearing tape 4 and film 5, avoid because tension is too big and lead to easily tearing tape 4 by tensile deformation, easily tear tape 4 reduces the fold that forms on the film effectively when laminating with film 5, guarantee that the outward appearance of box body packing is good. In addition, this kind of design of first buffer memory mechanism can utilize first runner group and second runner group to store part easy tear tape 4, and then in time adjusts the tension of easy tear tape 4.

In this embodiment, actuating mechanism includes pinch roller 12, driving motor 112 and second swing arm 124, second swing arm 124 with frame 3 rotates and is connected, driving motor 112 can drive pinch roller 12 rotates, pinch roller 12 sets up second swing arm 124 keeps away from the one end of frame 3, pinch roller 12 with easily tear roll of coil 6 butt. Because pinch roller 12 butt is on easily tearing the coil of strip 6, when driving motor 112 drive pinch roller 12 rotated, the rolling surface of pinch roller 12 pushed easily and torn coil of strip 6 under the effect of frictional force to drive first set of roller 11 anticlockwise rotation, make easily tear coil of strip 6 release the easily tearing area 4 of certain length. Connect pinch roller 12 and second swing arm 124, along with easily tearing reducing of book volume 6 diameters on first mantle roller 11, the effect of gravity makes pinch roller 12 descend, drives first swing arm 18 and rotates around the position that first swing arm 18 is connected with frame 3, makes pinch roller 12 remain throughout with the state of easily tearing the book volume 6 butt, and the release of easily tearing area 4 is not influenced by easily tearing the change in size of the book volume 6 diameters, realizes controllable feed.

In this embodiment, the driving motor 112 is a servo motor. Of course, in alternative embodiments, other drive components can be used to drive rotation of puck 12, or alternatively, puck 12 can be driven manually, and the manner in which puck 12 is driven and the type of drive component are not particularly limited.

Specifically, driving motor 112 passes through the drive of hold-in range subassembly pinch roller 12 rotates, the hold-in range subassembly includes hold-in range 113, action wheel 123 and follows the driving wheel, hold-in range 113 is around establishing action wheel 123 with follow the driving wheel on, driving motor 112's motor shaft runs through frame 3, action wheel 123 with second swing arm 124 is kept away from pinch roller 12's one end all with the motor shaft is connected, install from the driving wheel on second swing arm 124, just follow the driving wheel with pinch roller 12 connects. The easy-to-tear tape conveying mechanism 1 with the structure can drive the driving wheel 123 to rotate through the driving motor 112, and the synchronous belt 113 is wound on the driving wheel 123 and the driven wheel, so that the rotation of the driving wheel 123 can drive the driven wheel to rotate through the synchronous belt 113, and further the pressing wheel 12 is driven to rotate. The second swing arm 124 and the driving wheel 123 are both connected with the motor shaft, and the second swing arm 124 and the driving wheel 123 can be positioned on the frame 3. Along with the output of easy tear tape 4 for the diameter of easy tear tape roll 6 reduces, pinch roller 12 on the first mantle roller 11 descends gradually under the effect of gravity, because second swing arm 124 can rotate around the motor shaft, can drive second swing arm 124 and rotate around the motor shaft when pinch roller 12 descends. In this embodiment, the driven wheel and the pressure wheel 12 are connected to the second swing arm 124 through a connecting shaft, and in this design, the pressure wheel 12 and the driven wheel can be positioned through the second swing arm 124.

In other embodiments, drive motor 112 can also drive puck 12 to rotate through a gear assembly, without specific limitation to the components that drive puck 12 to rotate.

Action wheel 123 with be provided with elasticity wheel 114 between the follow driving wheel, elasticity wheel 114 through reference column 13 with frame 3 is connected, elasticity wheel 114 with 113 butts of hold-in range, second swing arm 124 is kept away from the concave constant head tank 15 that is equipped with in one side of easily tearing roll coil of strip 6, the free end of reference column 13 is located in the constant head tank 15. The setting of elasticity wheel 114 can be used to adjust the elasticity of hold-in range 113, guarantees the hold-in range subassembly and normally operates. With reference column 13 setting in constant head tank 15, in the in-process of practical use, can utilize reference column 13 to be spacing second swing arm 124 between first set of roller 11 and reference column 13.

In an embodiment, a strip-shaped positioning hole may be formed through the frame 3, the positioning hole extends along a vertical direction, the positioning column 13 is disposed in the positioning hole, and a position of the positioning column 13 in the positioning hole may be adjusted to adjust a tightness of the synchronous belt 113.

In another embodiment, the tightness degree of the synchronous belt 113 can be adjusted by replacing the tightening wheel 114 with different outer diameter sizes.

In order to facilitate the installation of the synchronous belt assembly, a mounting plate 115 is disposed between the second swing arm 124 and the frame 3, one end of the mounting plate 115 is connected to the motor shaft, the mounting plate 115 is rotatable relative to the motor shaft, the driving wheel 123 and the driven wheel are both located between the second swing arm 124 and the mounting plate 115, and when the second swing arm 124 swings, the mounting plate 115 is driven to swing.

In this embodiment, the frame 3 is provided with a positioning seat 14, the positioning seat 14 includes a first positioning plate 1401 connected to the frame 3 and a second positioning plate 1402 disposed at an end of the first positioning plate 1401 far away from the frame 3, the second positioning plate 1402 and the first positioning plate 1401 form an included angle, and the second positioning plate 1402 is connected to the motor shaft. Specifically, the angle between the second positioning plate 1402 and the first positioning plate 1401 is 90 °. The second positioning plate 1402 is provided with a mounting hole, and one end of the motor shaft away from the frame 3 is inserted into the mounting hole. Further, the motor shaft is connected to the second positioning plate 1402 through the first bearing, and the first bearing can reduce the wear of the motor shaft.

In this embodiment, the easy-tear tape conveying mechanism 1 further includes a detection electric eye 118, and the resetting component includes a third swing arm 122 and a counterweight 117. The first rotating shaft 120 penetrates through the frame 3, the third swing arm 122 is connected to one end of the first rotating shaft 120, which is far away from the first swing arm 18, the first swing arm 18 drives the third swing arm 122 to rotate synchronously through the first rotating shaft 120, the counterweight block 117 is connected to one end of the third swing arm 122, which is far away from the first rotating shaft 120, and the detection electric eye 118 is arranged below the third swing arm 122. The detecting electric eye 118 is configured to detect a position of the third swing arm 122, when the detecting electric eye 118 detects the third swing arm 122, the driving motor 112 is stopped to be driven to rotate, and when the detecting electric eye 118 does not detect the third swing arm 122, the driving motor 112 is driven to rotate. Since the end of the third swing arm 122 away from the first rotating shaft 120 is connected with the weight 117, the end of the third swing arm 122 away from the first rotating shaft 120 has a tendency to rotate toward the detecting electric eye 118 under the action of gravity. When the easy-to-tear tape 4 pulls the first swing arm 18 to rotate towards the direction of the first rotating wheel set (i.e. the easy-to-tear tape 4 pulls the first swing arm 18 to rotate clockwise), the first swing arm 18 drives the third swing arm 122 to rotate synchronously through the first rotating shaft 120, so that the third swing arm 122 rotates upwards around the first rotating shaft 120, and the detection electric eye 118 is gradually kept away from. When the third swing arm 122 is rotated to a position outside the detection range of the detection electric eye 118 (i.e. the detection electric eye 118 does not detect the third swing arm 122), the driving motor 112 is controlled to rotate by the PLC, and then the pressing wheel 12 and the easy-to-tear tape roll 6 are driven to rotate clockwise, so that the easy-to-tear tape roll 6 releases the easy-to-tear tape 4 with a certain length. Along with the release of easy tear tape 4, the tension of easy tear tape 4 reduces, when third swing arm 122 drive first axis of rotation 120 pivoted power is greater than the tension of easy tear tape 4, first swing arm 18 carries out anticlockwise rotation under the drive of first axis of rotation 120, and third swing arm 122 also carries out anticlockwise rotation (third swing arm 122 rotates downwards around first axis of rotation 120), makes third swing arm 122 keep away from the one end of first axis of rotation 120 is close to detection electric eye 118, and when third swing arm 122 was rotated to the position within the detection range of detection electric eye 118 (detecting electric eye 118 and detecting third swing arm 122 promptly), through PLC control driving motor 112 stall, pinch roller 12 stops the promotion to easy tear tape 4. In particular, the detection electric eye 118 is a proximity switch.

In this embodiment, the detecting electric eye 118 is connected to the frame 3 through an electric eye mounting plate 119, the third swing arm 122 is located between the frame 3 and the detecting electric eye 118, and the third swing arm 122 can abut against the electric eye mounting plate 119. Through the design, the detection electric eye 118 can be conveniently installed, the third swing arm 122 can be limited through the electric eye installation plate 119, the rotating angle of the third swing arm 122 is limited, the third swing arm 122 is ensured to be positioned above the detection electric eye 118, and the rotating angle of the first swing arm 18 is reduced.

In the present embodiment, a second bearing 121 is provided at a position where the frame 3 is connected to the first rotating shaft 120, and the first rotating shaft 120 is inserted in the second bearing 121 to reduce wear of the first rotating shaft 120.

In this embodiment, first rotation wheel group is including the first rotation wheel 110 of three interval distribution, and the second rotation wheel group is including the second rotation wheel 19 of three interval distribution, first rotation wheel 110 with the second rotates wheel 19 one-to-one, easy tear tape 4 by easy tear tape 6 is around establishing in proper order on second rotation wheel 19 and first rotation wheel 110. Of course, in other embodiments, the number of the first rotating wheel 110 and the second rotating wheel 19 can be flexibly set according to actual needs, and the specific number of the first rotating wheel 110 and the second rotating wheel 19 is not limited herein.

In particular, the first rotating wheel 110, the second rotating wheel 19 and the output wheel 111 are all connected with the frame 3 through a connecting rod 116.

In an embodiment, a bearing roller 17 is arranged between the easy-tear tape roll 6 and the first buffer mechanism, the bearing roller 17 can rotate around the axis of the easy-tear tape roll, and the easy-tear tape 4 abuts against the bearing roller 17. The supporting roller 17 can support the easy-tear tape 4 between the first set of rollers 11 and the first buffer mechanism, so as to prevent the easy-tear tape 4 from separating from the second rotating wheel set in the conveying process.

Specifically, the frame 3 is provided with a mounting portion 16 corresponding to the position of the supporting roller 17, and the mounting portion 16 is connected with the supporting roller 17 through a second rotating shaft (not shown in the figure). Further, one end of the carrier roller 17 close to the frame 3 is provided with a connecting portion 1701, the connecting portion 1701 is penetratingly provided with a first connecting hole 1702, the mounting portion 16 is provided with a second connecting hole opposite to the first connecting hole 1702, and the second rotating shaft is inserted into the first connecting hole 1702 and the second connecting hole, so that the connecting portion 1701 and the mounting portion 16 are rotatably connected.

Preferably, the second rotating shaft is a damping shaft, and the bearing roller 17 can be positioned at any position when rotated, so that the size of an included angle between the bearing roller 17 and the bracket can be flexibly adjusted.

In this embodiment, the film conveying mechanism 2 includes a feed roller 26, a film roll 7, a second set of rollers 21, and a second buffer mechanism, the film 5 is sequentially wound around the second buffer mechanism and the feed roller 26 from the film roll 7, and the first buffer mechanism is located between the feed roller 26 and the second buffer mechanism. The film roll 7 is disposed on the outer periphery of the second set of rollers 21.

Specifically, the output wheel 111 is located between the feed roller 26 and the second buffer mechanism. The rotating surface of the output wheel 111 is abutted against the film 5 between the second buffer mechanisms, the rotating surface of the output wheel 111 slightly presses the film 5, and the easy-to-tear tape 4 is output from the output wheel 111 and then is attached to the film 5. In specific use, the film 5 is pulled by the feed roller 26 and the film roll 7 is driven to rotate, so that the film 5 is conveyed. In specific implementation, the feeding roller 26 is connected with a rotating motor, and the rotating motor drives the feeding roller 26 to rotate.

Wherein the second buffer mechanism comprises a fourth swing arm 22, a first rotating roller set and a second rotating roller set. The second rotating roller group is arranged on the fourth swing arm 22, the first rotating roller group is arranged between the fourth swing arm 22 and the feeding roller 26, the fourth swing arm 22 is connected with the frame 3 through a third rotating shaft 214, and the fourth swing arm 22 can rotate around the third rotating shaft 214. The fourth swing arm 22 is connected with a first elastic component and a second elastic component respectively, the third rotating shaft 214 is located between the first elastic component and the second elastic component, and the first elastic component is located above the second elastic component. The first elastic component has a trend of driving the fourth swing arm 22 to rotate anticlockwise, the second elastic driving component can pull the fourth swing arm 22 to rotate clockwise, and the film 5 is sequentially wound on the second rotating wheel group and the first rotating wheel group through the film roll 7. Specifically, the film roll 7 is connected with the frame 3, the film roll 7 can rotate around the axis of the film roll 7, and the feed roller 26 rotates to pull the film 5, so as to drive the film roll 7 to rotate, so that the film roll 7 releases the film 5 with a certain length. The fourth swing arm 22 is positioned by the arrangement of the first elastic component and the second elastic component, when the film 5 is pulled, along with the increase of the tension of the film 5, the second elastic component drives the film 5 to rotate clockwise (namely drives the film 5 to rotate around the third rotating shaft 214 towards the first rotating roller group), when the film 5 stops being pulled, the first elastic component drives the fourth swing arm 22 to rotate anticlockwise around the axis of the first elastic component, the film roll 7 stops releasing the film 5, the design can store part of the film 5 in the first rotating roller group and the second rotating roller group, and the stability of the tension of the film 5 can be kept when the film 5 is intermittently output.

In this embodiment, the second rotates the roller set and includes three second live-rollers 23, and three second live-rollers 23 are along fourth swing arm 22 length direction interval distribution, first live-rollers set include three first live-rollers 24, three first live-rollers 24 interval distribution, and with second live-rollers 23 one-to-one, film 5 is in proper order around establishing on second live-rollers 23 and the first live-rollers 24.

Specifically, the first elastic component is a first tension spring 29, the frame 3 is convexly provided with a first mounting protrusion 27, the fourth swing arm 22 is convexly provided with a second mounting protrusion (not shown in the figure), and two ends of the second elastic component are respectively connected with the first mounting protrusion 27 and the second mounting protrusion.

The second elastic component including pull area 28 with pull the second extension spring 213 that area 28 is connected, the periphery cover that the film was rolled up 7 is equipped with friction pulley 210, pull area 28 around establishing in friction pulley 210 periphery, pull area 28 one end with the frame 3 is connected, the other end with second extension spring 213 is connected, second extension spring 213 is kept away from pull area 28 one end with fourth swing arm 22 is connected. Specifically, the frame 3 is provided with a fixing member 211, and one end of the second tension spring 213, which is far away from the traction belt 28, is connected to the frame 3 through the fixing member 211. The feeding roller 26 intermittently pulls the film 5 to be conveyed according to the length of the film 5 required by the packaging box body, when the film 5 is pulled, the fourth swing arm 22 is driven to rotate clockwise (namely the fourth swing arm 22 approaches to the direction of the first rotating roller group), when the film 5 is stopped to be pulled, the first tension spring 29 pulls the fourth swing arm 22 to rotate counterclockwise around the third rotation shaft 214 (i.e. the fourth swing arm 22 is far away from the first rotation roller set, at this time, the fourth swing arm 22 pulls one end of the traction belt 28 through the second tension spring 213, the traction belt 28 drives the friction wheel 210 to rotate counterclockwise under the action of friction force, because the friction wheel 210 is arranged on the periphery of the sleeve roller, the rotation of the friction wheel 210 can drive the second sleeve roller 21 to rotate anticlockwise to tighten the film 5, and the film 5 keeps certain tension when the film 5 is tightened.

Preferably, the film roll 7 is provided with a third bearing 212, and the third bearing 212 and the friction wheel 210 are distributed at intervals along the axial direction of the film roll 7, so that the wear of the first set of rollers 11 can be reduced through the third bearing 212.

In one embodiment, the conveyor rollers and the output wheel 111 are gradually provided with a plurality of transition rollers 25.

In this embodiment, a film 5 packaging device is further provided, the packaging device includes the easy-to-tear tape 4 synchronous feeding device described in any one of the above embodiments, and the film 5 packaging device can reduce wrinkles of the easy-to-tear tape 4 on the film 5, and improve the product aesthetic property.

It should be noted that the device for synchronously feeding easy-to-tear tapes 4 according to the invention can be applied to the wrapping of the outer film 5 of various packets, glass articles, plastic articles and the like, in particular due to the wrapping of the outer film 5 of the packets.

It should be noted that in this specification, the first position is a position where the first swing arm 18 drives the third swing arm 122 to rotate out of the detection range of the detection electric eye 118, and the first swing arm 18 drives the third swing arm 122 to rotate into the detection range of the detection electric eye 118. The counterclockwise rotation and the clockwise rotation described in the present specification both use the surface of the frame 3 on which the first set of rollers 11 is disposed as a reference surface.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides an easily tear synchronous feedway in area, a serial communication port, be in including frame and setting easily tear area conveying mechanism in the frame, easily tear area conveying mechanism including easily tearing the roll of strip, actuating mechanism and first buffer memory mechanism, actuating mechanism can drive easily tear the roll of strip and rotate, first buffer memory mechanism includes first swing arm, first rotation wheelset and second rotation wheelset, first swing arm with the frame rotates to be connected, the second rotates the wheelset setting and is in on the first swing arm, first rotation wheelset with first swing arm interval sets up, easily tear the area by easily tear the roll of strip and wind in proper order and establish second rotation wheelset with on the first rotation wheelset, easily tear the area follow attached on film conveying mechanism's film behind the output of first rotation wheelset.

2. The synchronous feedway of easy-tear area of claim 1, characterized in that, actuating mechanism includes pinch roller, driving motor and second swing arm, the second swing arm with the frame rotates and is connected, driving motor can drive the pinch roller rotates, the pinch roller sets up the one end that the frame was kept away from to the second swing arm, the pinch roller with easy-tear tape roll butt.

3. The synchronous feedway of easy-to-tear area of claim 2, characterized in that, driving motor passes through the drive of hold-in range subassembly the pinch roller rotates, hold-in range subassembly includes hold-in range, action wheel and follows the driving wheel, the hold-in range is around establishing the action wheel with follow driving wheel is last, driving motor's motor shaft runs through the frame, the action wheel with the second swing arm is kept away from the one end of pinch roller all with the motor shaft is connected, install from the driving wheel on the second swing arm, just follow the driving wheel with the pinch roller is connected.

4. The synchronous feeding device of an easily torn tape as claimed in claim 3, wherein an elastic wheel is arranged between the driving wheel and the driven wheel, the elastic wheel is connected with the rack through a positioning column, the elastic wheel is abutted against the synchronous belt, a positioning groove is concavely arranged on one side of the second swing arm away from the easily torn tape roll, and the free end of the positioning column is located in the positioning groove.

5. The synchronous feeding device of easy-to-tear tape as claimed in claim 2, wherein the first swing arm is connected to the frame through a first rotation axis, the conveying mechanism of easy-to-tear tape further comprises a detection electric eye and a reset component, the reset component comprises a third swing arm and a counterweight, the third swing arm is connected to one end of the first rotation axis far away from the first swing arm, the first swing arm drives the third swing arm to rotate synchronously through the first rotation axis, the counterweight is connected to one end of the third swing arm far away from the first rotation axis, the detection electric eye is used for detecting the position of the third swing arm, when the detection electric eye detects the third swing arm, the driving motor stops driving to rotate, and when the detection electric eye does not detect the third swing arm, the driving motor is driven to rotate.

6. The synchronous feeding device of easy-to-tear tapes as claimed in claim 5, wherein the detection electric eye is connected with the frame through an electric eye connecting plate, the third swing arm is located between the frame and the detection electric eye, and the third swing arm can abut against the electric eye connecting plate.

7. The synchronous feeding device of easy-tear tapes as claimed in claim 1, wherein a bearing roller is arranged between the easy-tear tape roll and the first buffer mechanism, the bearing roller can rotate around its axis, and the easy-tear tapes abut against the bearing roller.

8. The synchronous feeding device of the easy-tear tape as claimed in claim 7, wherein the film conveying mechanism comprises a feeding roller, a film roll and a second buffer mechanism, the film is wound on the second buffer mechanism and the feeding roller by the film roll in sequence, and the first buffer mechanism is located between the feeding roller and the second buffer mechanism.

9. The synchronous feeding device of easy-tear tapes as claimed in claim 8, wherein the second buffer mechanism comprises a fourth swing arm, a first rotating roller set and a second rotating roller set, the second rotating roller set is arranged on the fourth swing arm, the first rotating roller set is arranged between the fourth swing arm and the feeding roller, the fourth swing arm is rotatably connected with the frame, the fourth swing arm is respectively connected with a first elastic component and a second elastic component, the first elastic component has a tendency of driving the fourth swing arm to rotate anticlockwise, the second elastic driving component can pull the fourth swing arm to rotate clockwise, and the film is sequentially wound on the second rotating roller set and the first rotating roller set by the film roll.

10. A film wrapping apparatus comprising a synchronous feeding apparatus of the tear tape of any one of claims 1 to 9.

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