阅读说明：本技术 一种可以调节收卷时松紧度的薄膜收卷保护装置 (Film rolling protection device capable of adjusting tightness during rolling ) 是由 刘娜 于 2021-01-25 设计创作，主要内容包括：本发明涉及薄膜的技术领域,且公开了一种可以调节收卷时松紧度的薄膜收卷保护装置,包括外壳,所述外壳的内部活动连接有转轮,转轮的内部固定连接有光敏组件,转轮的内部固定连接有灯珠,转轮的外部固定连接有支撑架,支撑架的外部活动连接有推杆,外壳的内部活动连接有导向轮,外壳的内部固定连接有固定轴,通过本装置所有结构之间的相互作用下,可以使得在薄膜正常收卷时可以调节推杆的长度来对薄膜的松紧度调节,在收卷轮失速时可以及时的通过阻挡块与转盘的作用下使得收卷轮减速,从而达到了在收卷轮失速转动时及时的对其进行减速的效果,这样就保证了收卷轮不会因为失速转动从而导致薄膜绷紧直至断裂。(The invention relates to the technical field of thin films and discloses a thin film rolling protection device capable of adjusting tightness during rolling, which comprises a shell, the interior of the shell is movably connected with a rotating wheel, the interior of the rotating wheel is fixedly connected with a photosensitive component, the interior of the rotating wheel is fixedly connected with a lamp bead, the exterior of the rotating wheel is fixedly connected with a supporting frame, the exterior of the supporting frame is movably connected with a push rod, the interior of the shell is movably connected with a guide wheel, the interior of the shell is fixedly connected with a fixed shaft, under the interaction of all structures of the device, the length of the push rod can be adjusted to adjust the tightness of the film when the film is normally rolled, when the winding wheel stalls, the winding wheel can be decelerated in time under the action of the blocking block and the turntable, thereby reached in time when the stall of rolling wheel rotates the effect of slowing down it, thereby just so guaranteed that the rolling wheel can not lead to the film to tighten until the fracture because of the stall rotates.)

1. The utility model provides a film rolling protection device of elasticity during rolling can be adjusted, includes shell (1), its characterized in that: the inner part of the shell (1) is movably connected with a rotating wheel (2), the inner part of the rotating wheel (2) is fixedly connected with a photosensitive component (3), the inner part of the rotating wheel (2) is fixedly connected with a lamp bead (4), the outer part of the rotating wheel (2) is fixedly connected with a supporting frame (5), the outer part of the supporting frame (5) is movably connected with a push rod (6), the inner part of the shell (1) is movably connected with a guide wheel (7), the inner part of the shell (1) is fixedly connected with a fixed shaft (8), the outer part of the fixed shaft (8) is movably connected with a blocking block (9), the outer part of the fixed shaft (8) is movably connected with a winding wheel (10), the inner part of the winding wheel (10) is fixedly connected with a round shell (11), the inner part of the round shell (11) is provided with an electrorheological body (12, the inside fixedly connected with box (15) of rolling wheel (10), the inside swing joint of box (15) has movable block (16), and the inside swing joint of box (15) has trigger assembly (17).

2. The film rolling protection device capable of adjusting tightness during rolling according to claim 1, characterized in that: the semicircular groove has been seted up on the surface of runner (2), photosensitive component (3) mainly by the shading shell, transparent shell and photo resistance constitute, shading shell fixed connection is in the inside of runner (2), the outside at the shading shell is inlayed to the transparent shell, photo resistance swing joint is in the inside of shading shell, the position of lamp pearl (4) is corresponding with photo resistance's position, the quantity of lamp pearl (4) and photosensitive component (3) is all not less than four, all lamp pearl (4) and photosensitive component (3) even distribution are in the outside of semicircular groove.

3. The film rolling protection device capable of adjusting tightness during rolling according to claim 1, characterized in that: the spout has been seted up on the surface of support frame (5), push rod (6) swing joint is in the inboard of spout, and the outside of push rod (6) is provided with the lug, and lug swing joint is in the inboard of half slot, the specification of lug and the specification phase-match of translucent shell, and six are no less than in the quantity of push rod (6), and the equal angular uniform's of all push rods (6) distribution is in the outside of support frame (5).

4. The film rolling protection device capable of adjusting tightness during rolling according to claim 1, characterized in that: the outside swing joint that blocks piece (9) is no less than three supporting spring, supporting spring's outside swing joint has the clutch blocks, the round hole has been seted up to the inside of rolling wheel (10), round shell (11) fixed connection is in the inboard of round hole, the main material of electrorheological body (12) is gypsum, lime, carbon powder and olive oil, electrorheological body (12) are solid-state under the on state of regulation electric current volume, be liquid under the off-state, the volume of electrorheological body (12) accounts for three fourths of round shell (11) inner space, two electric conduction posts of inside fixed connection of round shell (11), all electric conduction posts all swing joint in the inside of electrorheological body (12).

5. The film rolling protection device capable of adjusting tightness during rolling according to claim 1, characterized in that: the equal swing joint in outside of push rod (6), leading wheel (7), wind-up pulley (10) has the film, and the inside of box (15) has been seted up and has been erected the groove, and the outside of movable block (16) is provided with the gleitbretter, and gleitbretter swing joint is in erecting the inboard in groove, and the outside swing joint of movable block (16) has expanding spring, and expanding spring swing joint is in erecting the inboard in groove.

6. The film rolling protection device capable of adjusting tightness during rolling according to claim 1, characterized in that: trigger subassembly (17) mainly comprise insulator spindle, bar copper, short spring, magnet one, two magnets, and the magnetic pole of magnet one is the N utmost point, and the magnetic pole of magnet two is the S utmost point, and the specification phase-match and the position of magnet one are corresponding, magnet one and the equal fixed connection of magnet two in the inboard of box (15), insulator spindle swing joint in the inside of box (15), short spring swing joint in the outside of insulator spindle, bar copper fixed connection in the inside of insulator spindle.

7. The film rolling protection device capable of adjusting tightness during rolling according to claim 1, characterized in that: runner (2), support frame (5), rolling wheel (10) all are connected with driving power supply electricity, and lamp pearl (4), lead electrical pillar and all are connected with external power supply electricity, and driving power supply, external power supply, bar copper, photo resistance all are connected with the control maincenter electricity.

Technical Field

The invention relates to the technical field of films, in particular to a film winding protection device capable of adjusting tightness during winding.

Background

The plastic film is mainly made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packaging and is used as a film coating layer, the share of plastic packages and plastic packaging products on the market is more and more large, particularly, the composite plastic flexible packages are widely applied to the fields of food, medicine, chemical industry and the like, wherein the proportion of the plastic packages is the largest, such as beverage packages, quick-frozen food packages, steamed and cooked food packages, fast food packages and the like, and the products bring great convenience to the life of people.

Plastic film's rolling among the prior art comes to carry out the rolling to plastic film through the rotation of rolling wheel, but at the rolling in-process, can make the elasticity degree of film different because of other reasons, different elasticity degree also has very big influence to the rolling of film, and the rolling wheel stalls easily under the influence of external factor in addition, when rolling wheel stall rotates, at this moment the film will be tightened, if continue slew velocity too fast, at this moment make the film bear great pulling force and collapse absolutely very easily.

Therefore, in order to solve the problems, a film rolling protection device capable of adjusting tightness during rolling is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a film winding protection device capable of adjusting the tightness during winding, which has the advantages of adjusting the tightness during normal winding of a film and timely decelerating the film during stall rotation of a winding wheel, and solves the problems that the winding of the film is caused by different tightness degrees of the film during the winding process and the film is broken due to the fact that the film cannot bear large tension when the winding wheel stalls.

(II) technical scheme

In order to realize the purposes of adjusting the tightness of the film when the film is normally rolled and decelerating the film when the rolling wheel stalls and rotates, the invention provides the following technical scheme: the utility model provides a film rolling protection device of elasticity during can adjust rolling, which comprises an outer shell, the inside swing joint of shell has the runner, the inside fixedly connected with photosensitive assembly of runner, the inside fixedly connected with lamp pearl of runner, the outside fixedly connected with support frame of runner, the outside swing joint of support frame has the push rod, the inside swing joint of shell has the leading wheel, the inside fixedly connected with fixed axle of shell, the outside swing joint of fixed axle has the piece of blockking, the outside swing joint of fixed axle has the rolling wheel, the inside fixedly connected with round shell of rolling wheel, the inside of round shell is provided with the current variant, the inside swing joint of round shell has the impeller, the outside fixedly connected with carousel of impeller, the inside fixedly connected with box of rolling wheel, the inside swing joint of box has the movable block, the inside swing joint of box has trigger.

Preferably, the semicircular groove has been seted up on the surface of runner, and photosensitive component mainly comprises shading shell, transparent shell and photo resistance, and shading shell fixed connection is in the inside of runner, and the transparent shell is inlayed in the outside of shading shell, and photo resistance swing joint is in the inside of shading shell, and the position of lamp pearl is corresponding with photo resistance's position, and lamp pearl and photosensitive component's quantity is all not less than four, and all lamp pearls and the even distribution of photosensitive component are in the outside of semicircular groove.

Preferably, the spout has been seted up on the surface of support frame, push rod swing joint is in the inboard of spout, and the outside of push rod is provided with the lug, and lug swing joint is in the inboard of half slot, and the specification of lug and the specification phase-match of transparent shell, the quantity of push rod is no less than six, and the equal angular uniform distribution of all push rods is in the outside of support frame.

Preferably, the outside swing joint that blocks the piece has not less than three supporting spring, supporting spring's outside swing joint has the clutch blocks, the round hole has been seted up to the inside of rolling wheel, round shell fixed connection is in the inboard of round hole, the main material of electrorheological body is gypsum, lime, carbon powder and olive oil, the electrorheological body is solid-state under the on state of regulation amount of current, be liquid under the off state, the volume of electrorheological body accounts for three fourths of round shell inner space, the inside fixed connection of round shell has two to lead electrical pillar, the equal swing joint of all leading electrical pillar is in the inside of electrorheological body.

Preferably, the equal swing joint in outside of push rod, leading wheel, rolling wheel has the film, and the inside of box has been seted up and has been erected the groove, and the outside of movable block is provided with the gleitbretter, and gleitbretter swing joint is in the inboard of erecting the groove, and the outside swing joint of movable block has expanding spring, and expanding spring swing joint is in the inboard of erecting the groove.

Preferably, the trigger assembly mainly comprises insulator spindle, bar copper, short spring, magnet one, two magnets, and the magnetic pole of magnet one is the N utmost point, and the magnetic pole of magnet two is the S utmost point, and the specification phase-match of magnet one and magnet two and the position is corresponding, and magnet one and the equal fixed connection of magnet two are in the inboard of box, and insulator spindle swing joint is in the inside of box, and short spring swing joint is in the outside of insulator spindle, and bar copper fixed connection is in the inside of insulator spindle.

Preferably, runner, support frame, rolling wheel all are connected with driving power supply electricity, and the lamp pearl, lead electrical pillar and all be connected with external power supply electricity, and driving power supply, external power supply, bar copper, photo resistance all are connected with the control maincenter electricity.

Preferably, the lamp pearl is for often bright under initial condition, and at this moment the light of lamp pearl can be received to the photo resistance, and the photo resistance is minimum, and the electric current is the biggest, and the lug can shelter from the light of innermost lamp pearl under initial condition, and the photo resistance can't receive the light of lamp pearl at this moment, and at this moment the photo resistance is maximum, and the electric current is minimum.

Preferably, a magnetic induction line exists between the first magnet and the second magnet in the trigger assembly, the copper rod is perpendicular to the magnetic induction line between the first magnet and the second magnet, and the copper rod moves to cut the magnetic induction line to generate induction current.

(III) advantageous effects

Compared with the prior art, the invention provides a film rolling protection device capable of adjusting tightness during rolling, which has the following beneficial effects:

1. this film rolling protection device of elasticity when can adjusting rolling, through the runner, photosensitive assembly, lamp pearl, the support frame, under the interact between the push rod, can be so that the operator comes the length to adjusting the push rod through the condition of observing the film rolling when the film rolling, thereby reached and carried out the effect that the elasticity was adjusted to it when normal rolling film, just so can guarantee that the film can be normal when the rolling carries out the rolling, thereby guaranteed the normal rolling of film.

2. This film rolling protection device of elasticity when can adjusting rolling, through the interact between all structures of this device under, can be so that can adjust the length of push rod when the film normally rolls and come to adjust the elasticity of film, can be timely when rolling wheel stall make the rolling wheel slow down through the effect that blocks piece and carousel down to reach timely when rolling wheel stall rotates carries out the effect of slowing down to it, thereby just so guaranteed that the rolling wheel can not lead to the film to tighten until the fracture because the stall rotates.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is a schematic structural diagram illustrating a connection relationship between some of the structures shown in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic structural diagram illustrating a connection relationship between some of the structures shown in FIG. 2 according to the present invention;

FIG. 5 is a schematic structural diagram of the connection relationship among the box body, the movable block and the trigger assembly according to the present invention;

FIG. 6 is a schematic view of a connection relationship structure among the rotary wheel, the photosensitive assembly, the lamp bead, the support frame and the push rod;

FIG. 7 is a schematic view of the structure of FIG. 6 at C according to the present invention.

In the figure: 1. a housing; 2. a rotating wheel; 3. a photosensitive element; 4. a lamp bead; 5. a support frame; 6. a push rod; 7. a guide wheel; 8. a fixed shaft; 9. a blocking block; 10. a winding wheel; 11. a round shell; 12. an electrorheological fluid; 13. an impeller; 14. a turntable; 15. a box body; 16. a movable block; 17. and a triggering component.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Please refer to fig. 1-7, a film rolling protection device capable of adjusting tightness during rolling, which comprises a housing 1, the inside swing joint of housing 1 has a runner 2, the inside fixedly connected with photosensitive assembly 3 of runner 2, the inside fixedly connected with lamp bead 4 of runner 2, the semicircular groove has been seted up on the surface of runner 2, photosensitive assembly 3 mainly comprises shading shell, transparent shell and photo resistance, shading shell fixed connection is in the inside of runner 2, the transparent shell is inlayed in the outside of shading shell, photo resistance swing joint is in the inside of shading shell, the position of lamp bead 4 corresponds with photo resistance's position, the quantity of lamp bead 4 and photosensitive assembly 3 is all not less than four, all lamp beads 4 and the even distribution of photosensitive assembly 3 are in the outside of semicircular groove.

Lamp pearl 4 is for normally bright under initial condition, at this moment, the illumination of lamp pearl 4 can be received to photo resistance, the photo resistance is minimum, the electric current is the biggest, the lug can shelter from the illumination of innermost lamp pearl 4 under initial condition, at this moment, photo resistance can't receive the illumination of lamp pearl 4, at this moment, the photo resistance is the biggest, the electric current is minimum, the outside fixedly connected with support frame 5 of runner 2, the outside swing joint of support frame 5 has push rod 6, the spout has been seted up on the surface of support frame 5, 6 swing joint of push rod are in the inboard of spout, the outside of push rod 6 is provided with the lug, lug swing joint is in the inboard of semicircle trough, the specification phase-match of lug and hyaline shell, six are no less than to the quantity of push rod.

Through runner 2, photosensitive element 3, lamp pearl 4, support frame 5, under the interact between the push rod 6, can make the operator come the length of adjusting push rod 6 through the condition of observing the film rolling when the film rolling, thereby reached and carried out the effect of elasticity regulation to it when normally rolling the film, just so can guarantee that the film can be normal rolling when the rolling, thereby the normal rolling of film has been guaranteed, the inside swing joint of shell 1 has leading wheel 7, the inside fixedly connected with fixed axle 8 of shell 1, the outside swing joint of fixed axle 8 has blocks piece 9, the outside swing joint of fixed axle 8 has rolling wheel 10, the inside fixedly connected with circle shell 11 of rolling wheel 10, the inside of circle shell 11 is provided with current variant 12.

Stop block 9's outside swing joint and be no less than three supporting spring, supporting spring's outside swing joint has the clutch blocks, the round hole has been seted up to the inside of rolling wheel 10, circle 11 fixed connection is in the inboard of round hole, the main material of electrorheological body 12 is gypsum, lime, carbon powder and olive oil, electrorheological body 12 is solid-state under the on state of regulation electric current volume, be liquid under the non-on state, the volume of electrorheological body 12 accounts for three quarters of circle 11 inner space, two electrically conductive posts of inside fixedly connected with of circle 11, all electrically conductive equal swing joint of post is in the inside of electrorheological body 12, the inside swing joint of circle 11 has impeller 13, impeller 13's outside fixedly connected with carousel 14, the inside fixedly connected with box 15 of rolling wheel 10, the inside swing joint of box 15 has movable block 16.

Push rod 6, leading wheel 7, the equal swing joint in outside of wind-up wheel 10 has the film, perpendicular groove has been seted up to the inside of box 15, the outside of movable block 16 is provided with the gleitbretter, gleitbretter swing joint is in the inboard of erecting the groove, the outside swing joint of movable block 16 has expanding spring, expanding spring swing joint is in the inboard of erecting the groove, the inside swing joint of box 15 has trigger assembly 17, trigger assembly 17 mainly by the insulator spindle, the copper bar, short spring, magnet one, magnet two are constituteed, magnet one 'S magnetic pole is the N utmost point, magnet two' S magnetic pole is the S utmost point, magnet one 'S specification and magnet two' S specification phase-match and position are corresponding, magnet one and the equal fixed connection in the inboard of box 15 of magnet two, insulator spindle swing joint is in the inside of box 15, short spring swing joint is in the outside of insulator spindle.

The rotating wheel 2, the supporting frame 5 and the winding wheel 10 are all electrically connected with a driving power supply, the lamp beads 4 and the conductive posts are all electrically connected with an external power supply, the driving power supply, the external power supply, the copper bar and the photoresistor are all electrically connected with a control center, a magnetic induction line exists between a magnet I and a magnet II in the trigger assembly 17, the copper bar is perpendicular to the magnetic induction line between the magnet I and the magnet II, the copper bar moves to cut the magnetic induction line to generate induction current, and under the interaction of all structures of the device, the length of the push rod 6 can be adjusted to adjust the tightness of the film when the film is normally rolled, when the winding wheel 10 stalls, the winding wheel 10 can be timely decelerated through the action of the blocking block 9 and the rotating disc 14, therefore, the effect of timely decelerating the winding wheel 10 when the winding wheel stalls and rotates is achieved, and the winding wheel 10 is guaranteed not to rotate due to stalls so as to cause the film to be stretched tightly until the film is broken.

The device is started, when an operator needs to roll a film, the operator controls the support frame 5 and the rolling wheel 10 to rotate through control, the support frame 5 and the rolling wheel 10 rotate to drive the guide wheel 7 to rotate under the action of the film, so that the film is rolled to the outside of the rolling wheel 10, when the tension between the films is small in the rolling process, the operator controls the driving power supply to drive the rotating wheel 2 to rotate through the control center, the rotating wheel 2 rotates to drive the push rod 6 to move outwards under the action of the convex block and the sliding groove, the push rod 6 moves outwards to increase the tension between the films, when the convex block shields the illumination of one lamp bead 4, the control center controls the driving power supply to stop driving the rotating wheel 2 to rotate, when the tension between the films is large, the operator controls the driving rotating wheel 2 to rotate reversely through the control center, the rotating wheel 2 rotates reversely to drive the push rod 6 to move inwards, thereby make pulling force diminish between the film, when the lug sheltered from the illumination of one of them lamp pearl 4 once more, control centre control drive power supply stopped to drive runner 2 and rotates at this moment to accomplish the regulation to the elasticity between the film.

When the winding wheel 10 normally rotates, the winding wheel 10 rotates to drive the box body 15 to rotate, the box body 15 rotates to drive the movable block 16 to move, the centrifugal force applied to the movable block 16 is smaller than the elastic force of the telescopic spring, at the moment, the movable block 16 is not thrown out, a circuit is not conducted, the winding wheel 10 rotates to drive the round shell 11 to move, the round shell 11 rotates to drive the rotary table 14 to move, the rotary table 14 rotates under the action of the blocking block 9, the rotary table 14 rotates to drive the movable impeller 13 to rotate, and the circuit is not conducted at the moment, so that the winding wheel 10 normally rotates.

When the winding wheel 10 stalls and rotates, the centrifugal force applied to the movable block 16 is larger than the elastic force of the telescopic spring, the movable block 16 is thrown out, the movable block 16 moves to contact with the insulating rod, the insulating rod moves to drive the copper rod to cut the magnetic induction line between the first magnet and the second magnet, induction current is generated, the control center controls the external power supply to supply power to the conductive posts, the current flows into the current variant 12 through the conductive posts, the current variant 12 becomes solid under the action of the current, the impeller 13 cannot rotate, the rotating disc 14 cannot rotate due to the fact that the impeller 13 cannot rotate, the rotating disc 14 contacts with the blocking block 9 at the moment, the friction block compresses the supporting spring, and the winding wheel 10 is decelerated under the action of the rotating disc 14 and the blocking block 9 at the moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.