CN215854114U

CN215854114U - Anti-loosening and knot-eliminating mechanism of packaging film on color press

Info

Publication number: CN215854114U
Application number: CN202122446274.1U
Authority: CN
Inventors: 胡志立; 刘义川
Original assignee: Guangzhou Yucai Color Printing Co ltd
Current assignee: Guangzhou Yucai Color Printing Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-18
Anticipated expiration: 2031-10-11

Abstract

The utility model belongs to the field of a matching structure of packaging machinery, in particular to a loose-proof structure of a packaging film on a color press, which comprises a color press shell, wherein a connecting rod is rotatably connected inside the color press shell, a transmission screw is fixed at one end of the connecting rod, which is close to the center of the color press shell, an installation roller is fixed at one end of the transmission screw, which is far away from the connecting rod, a packaging film is fixed outside the installation roller, and a sliding seat is connected outside the transmission screw through threads; the rubber sleeve is arranged, so that the packaging film of the color press can not be loosened in the non-operation process, the sliding seat is driven to move in the movement process of the color press through the transmission screw rod, the rubber sleeve is separated from the packaging film, the color printing process cannot be influenced, the rubber sleeve automatically resets after the machine is stopped through the reset spring, and the effect of automatically applying acting force to prevent the packaging film from being loosened according to the working state of the color press is achieved.

Description

Anti-loosening and knot-eliminating mechanism of packaging film on color press

Technical Field

The utility model relates to the field of a matching structure of a packaging machine, in particular to an anti-loosening and anti-loosening structure of a packaging film on a color press.

Background

The color press is one of printers, and can print on the same layout in different colors in different steps, so that printed products have a color effect, the color press is often suitable for printing official documents, the application range is wide, and the condition that a packaging film is loose often occurs in the use process of the color press.

Chinese patent publication No. CN208249419U proposes an anti-loosening structure for a packaging film on a color press, which comprises a positioning pin and a packaging film; the rolling shaft and the rotating shaft are fixed on the color press, the rolling shaft is used for sleeving a packaging film, the rotating shaft is a first-stage rotating shaft for outputting the packaging film, and a hexagonal blind hole is formed in the end face of the rolling shaft; the height fixing box is fixedly connected to the top surface of the rear end of the color press through a bolt; the vertical plate is fixed on the bottom side of the top plate; the top plate is fixed at the upper end of the front side surface of the rack; the sliding strips are T-shaped, the size of the sliding strips is equal to that of the T-shaped grooves, the sliding strips are arranged at the left end and the right end of the rack, and the sliding strips and the T-shaped grooves are matched to play a role in guiding, limit the movement direction of the rack and enable the rack to move only up and down; the bath towel packaging film pre-tightening device is simple in structure and convenient to operate, the bath towel packaging film is pre-tightened, and then the pressing block presses the pressure on the packaging film, so that the packaging film can be effectively prevented from loosening, the damage probability of the packaging film is reduced, and the traction of the packaging film is not influenced.

According to the technical scheme, the packaging film is fastened in a pre-tightening handle mode, however, corresponding operations are required to be performed before and after printing manually, and once an operator forgets to pull out the pre-tightening handle, the color press is likely to be damaged in the operation process; therefore, the anti-loosening structure of the packaging film on the color press is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that the packaging film needs to be fastened manually after printing each time, the utility model provides an anti-loosening and knot-dissipating structure of the packaging film on a color press.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the anti-loosening structure of the packaging film on the color press comprises a color press shell, wherein a connecting rod is rotatably connected inside the color press shell, a transmission screw is fixed at one end, close to the center of the color press shell, of the connecting rod, an installation roller is fixed at one end, far away from the connecting rod, of the transmission screw, the packaging film is fixed outside the installation roller, a sliding seat is connected outside the transmission screw through threads, an installation seat is fixed outside the sliding seat, a closing plate is fixed on one side, close to the center of the color press shell, of the installation seat, and a reset spring is fixed at one end, far away from the closing plate, of the installation seat; when the color printing machine works, the driving assembly can drive the connecting rod to rotate and further drive the mounting roller to rotate, the mounting roller rotates to drive the packaging film to rotate to convey the packaging film, the connecting rod can simultaneously drive the transmission screw to rotate in the process, and the transmission screw is in threaded connection with the sliding seat, so that the sliding seat can simultaneously slide in the rotating process of the transmission screw, the sliding seat moves to drive the mounting seat to move, the mounting seat moves to drive the closing plate to move, the packaging film cannot be stressed in the running process of the color printing machine, the working progress of color printing cannot be influenced, in the process, the mounting seat simultaneously compresses the reset spring to contract, after the color printing is completed, the transmission screw does not rotate any more, the force acting on the reset spring disappears, the reset spring starts to reset to push the mounting seat to move, the mounting seat moves to drive the sliding seat to rotate on the transmission screw while moving towards the direction of the packaging film, at the moment, the mounting seat can simultaneously drive the closing plate to move and apply acting force to the packaging film to prevent the packaging film from loosening, so that the effect of automatically applying the acting force to prevent the packaging film from loosening according to the working state of the color press is achieved.

Preferably, a limiting ring is fixed at one end of the return spring, which is far away from the mounting seat, the limiting ring is communicated with the transmission screw rod, and the limiting ring is fixedly connected with the inner wall of the color printing shell; during operation, the motion of the mounting seat can compress the reset spring to enable the reset spring to contract, the reset spring is supported through the limiting ring, the reset spring is enabled to be compressed smoothly, and the motion of the mounting seat can be effectively limited.

Preferably, a rubber sleeve is fixed on one side of the closing plate close to the packaging film, the diameter of the rubber sleeve is smaller than that of the packaging film, and the rubber sleeve is connected with the packaging film in a sliding manner; when the color printing machine is in operation, the closing plates move to drive the rubber sleeve to be separated from the packaging film, so that the rubber sleeve cannot be contacted with the packaging film in the operation process of the color printing machine, the color printing operation cannot be influenced, the two closing plates move oppositely to drive the rubber sleeve to be contacted with the packaging film after the machine is stopped, and acting force is applied to the packaging film to prevent the packaging film from being loose.

Preferably, the two transmission screws are symmetrically distributed on two sides of the mounting roller, and the connecting rod is sleeved with an output shaft of the rotating assembly; during operation, two drive screw drive two sliding seat motions simultaneously, and two drive screw's screw thread is seted up opposite direction to realize the heterodromous motion of two sliding seat, thereby carry out two-way application to the packaging film.

Preferably, a transmission ring is fixed outside the mounting seat, pushing blocks are connected to the upper end and the lower end of the transmission ring in a sliding mode, a transmission rod is fixed on one side, away from the transmission ring, of each pushing block, a limiting frame is fixed on one side, close to the center of the color printing shell, of each transmission rod, a connecting seat is fixed inside each limiting frame, a force storage spring is fixed inside each connecting seat, a pressing plate is fixed on one side, close to the packaging film, of each force storage spring, and a blocking sleeve is fixed on one side, close to the packaging film, of each pressing plate; when the device works, the mounting seat moves to drive the transmission ring to move simultaneously, and because the contact surface of the transmission ring and the pushing block is an inclined surface, the transmission ring can apply an upward thrust to the pushing block at the moment, the thrust acts on the transmission rod to push the transmission rod to move, the transmission rod can simultaneously drive the limiting frames to move, the two limiting frames move relatively at the moment, the limiting frames move to drive the connecting seat to move, the elastic potential energy of the force storage spring is released, the force storage spring gradually extends, when the deformation degree of the force storage spring is consistent with the gravity on the blocking sleeve after the force storage spring extends, the force storage spring can simultaneously pull the pressing plate to move until the pressing plate drives the blocking sleeve to separate from the packaging film, at the moment, the blocking sleeve can not apply a pressure on the packaging film, so that the operation of a color press machine is not influenced, and in the resetting process of the mounting seat, the blocking sleeve is driven by the reverse movement of the limiting frames to contact with the packaging film, the retaining sleeve can still contact the packaging film after the diameter of the packaging film is reduced after a part of the packaging film is used through the power storage spring, and the packaging film can still be prevented from loosening although the pressure acting on the packaging film is reduced, so that the effect of preventing the packaging film from loosening in multiple directions is achieved.

Preferably, one end of the transmission rod, which is far away from the limiting frame, is fixedly provided with a limiting seat, and the limiting seat is fixedly connected with the inner wall of the color printing shell; during operation, the transmission rod slides in the limiting seat, so that the transmission rod is effectively limited, and the stability of the limiting frame in the motion process is improved.

The utility model has the advantages that:

1. according to the utility model, the rubber sleeve is arranged, so that the packaging film of the color press can not be loosened in the non-operation process, and the transmission screw rod drives the sliding seat to move in the movement process of the color press, so that the rubber sleeve is separated from the packaging film and cannot influence the color printing process, and the rubber sleeve automatically resets after the machine is stopped by arranging the reset spring, so that the effect of automatically applying acting force to prevent the packaging film from being loosened according to the working state of the color press is achieved;

2. the utility model drives the blocking sleeve to be separated from the packaging film in the running process of the color press by matching the transmission ring and the pushing block, the blocking sleeve automatically resets after the color press is stopped, and the blocking sleeve can be always kept in a contact state with the packaging film through the force storage spring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a sectional view of a color printing housing according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the utility model at B of FIG. 2.

In the figure: 1. color printing the shell; 2. a connecting rod; 3. a drive screw; 4. mounting a roller; 5. packaging the film; 6. a sliding seat; 7. a mounting seat; 8. a closing plate; 9. a rubber sleeve; 10. a return spring; 11. a limiting ring; 12. a drive ring; 13. a pushing block; 14. a transmission rod; 15. a limiting seat; 16. a limiting frame; 17. a connecting seat; 18. a power storage spring; 19. a pressing plate; 20. and (6) a blocking sleeve.

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.

Example one

Referring to fig. 1-3, the loose-proof structure of a packaging film on a color press comprises a color press shell 1, wherein a connecting rod 2 is rotatably connected inside the color press shell 1, a transmission screw 3 is fixed at one end of the connecting rod 2 close to the center of the color press shell 1, an installation roller 4 is fixed at one end of the transmission screw 3 far away from the connecting rod 2, a packaging film 5 is fixed outside the installation roller 4, a sliding seat 6 is connected outside the transmission screw 3 through threads, an installation seat 7 is fixed outside the sliding seat 6, a closing plate 8 is fixed at one side of the installation seat 7 close to the center of the color press shell 1, and a reset spring 10 is fixed at one end of the installation seat 7 far away from the closing plate 8; in the process of working, the driving component can drive the connecting rod 2 to rotate, and further drive the mounting roller 4 to rotate, the mounting roller 4 rotates to drive the packaging film 5 to rotate to convey the packaging film 5, the connecting rod 2 can simultaneously drive the transmission screw 3 to rotate in the process, and the transmission screw 3 is in threaded connection with the sliding seat 6, so that in the rotating process of the transmission screw 3, the sliding seat 6 can simultaneously slide, the sliding seat 6 moves to drive the mounting seat 7 to move, the mounting seat 7 moves to drive the closing plate 8 to move, the packaging film 5 can not be stressed in the running process of the color press, the working progress of color printing can not be influenced, in the process, the mounting seat 7 can simultaneously compress the reset spring 10 to shrink, after the color printing is finished, the transmission screw 3 can not rotate at the moment, the force acting on the reset spring 10 disappears, and the reset spring 10 starts to reset to push the mounting seat 7 to move, thereby mount pad 7 motion drives slide block 6 and rotates the limit and move towards packaging film 5's direction on drive screw 3, and mount pad 7 can drive closure plate 8 motion simultaneously this moment to exert the effort to packaging film 5 and prevent it loose, so just reached and can prevent the loose effect of packaging film according to the automatic effort of exerting of the operating condition of color press.

A limiting ring 11 is fixed at one end of the return spring 10, which is far away from the mounting seat 7, the limiting ring 11 is communicated with the transmission screw 3, and the limiting ring 11 is fixedly connected with the inner wall of the color printing shell 1; in operation, the movement of the mounting seat 7 compresses the return spring 10 to make it contract, the return spring 10 is supported by the limiting ring 11 and the return spring 10 is compressed smoothly, and the movement of the mounting seat 7 can be limited effectively.

A rubber sleeve 9 is fixed on one side of the closing plate 8 close to the packaging film 5, the diameter of the rubber sleeve 9 is smaller than that of the packaging film 5, and the rubber sleeve 9 is connected with the packaging film 5 in a sliding manner; during operation, the closing plate 8 moves to drive the rubber sleeve 9 to be separated from the packaging film 5 when the color press operates, so that the rubber sleeve 9 cannot contact with the packaging film 5 in the operation process of the color press, the operation of color printing cannot be influenced, the two closing plates 8 move oppositely to drive the rubber sleeve 9 to contact with the packaging film 5 after the machine is stopped, and acting force is applied to the packaging film 5 to prevent the packaging film 5 from being loose.

The two transmission screw rods 3 are symmetrically distributed on two sides of the mounting roller 4, and the connecting rod 2 is sleeved with an output shaft of the rotating assembly; during operation, two drive screw 3 drive two sliding seat 6 motions simultaneously, and two drive screw 3's screw thread is seted up the opposite direction to realize the heterodromous motion of two sliding seat 6, thereby carry out two-way application to packaging film 5.

Example two

Referring to fig. 4, as another embodiment of the present invention, in a first comparative example, a transmission ring 12 is fixed outside the mounting seat 7, pushing blocks 13 are slidably connected to both upper and lower ends of the transmission ring 12, a transmission rod 14 is fixed on one side of the pushing block 13 away from the transmission ring 12, a limiting frame 16 is fixed on one side of the transmission rod 14 close to the center of the color printing housing 1, a connection seat 17 is fixed inside the limiting frame 16, a power storage spring 18 is fixed inside the connection seat 17, a pressing plate 19 is fixed on one side of the power storage spring 18 close to the packaging film 5, and a retaining sleeve 20 is fixed on one side of the pressing plate 19 close to the packaging film 5; when the color printer works, the installation seat 7 moves to drive the transmission ring 12 to move simultaneously, and because the contact surface between the transmission ring 12 and the pushing block 13 is an inclined surface, the transmission ring 12 applies an upward pushing force to the pushing block 13 at the moment, the pushing force acts on the transmission rod 14 to push the transmission rod 14 to move, the transmission rod 14 moves to drive the limiting frames 16 to move simultaneously, the two limiting frames 16 move relatively at the moment, the limiting frames 16 move to drive the connecting seat 17 to move, the elastic potential energy of the force storage spring 18 is released at the moment, the force storage spring 18 gradually extends, when the force storage spring 18 extends to the deformation degree of the force storage spring 18 and the gravity applied to the blocking sleeve 20 is consistent, the force storage spring 18 simultaneously pulls the pressing plate 19 to move until the pressing plate 19 drives the blocking sleeve 20 to be separated from the packaging film 5, at the blocking sleeve 20 cannot apply a pressure to the packaging film 5, so that the operation of the color printer is not influenced, in the process of resetting the mounting seat 7, the limiting frame 16 moves reversely to drive the retaining sleeve 20 to be in contact with the packaging film 5, the retaining sleeve 20 can still be in contact with the packaging film 5 after the diameter of the packaging film 5 is reduced after a part of the packaging film 5 is used through the power storage spring 18, although the pressure acting on the packaging film 5 is reduced, the packaging film 5 can still be prevented from loosening, and therefore the effect of preventing the packaging film from loosening in multiple directions is achieved.

A limiting seat 15 is fixed at one end of the transmission rod 14 far away from the limiting frame 16, and the limiting seat 15 is fixedly connected with the inner wall of the color printing shell 1; during operation, the transmission rod 14 slides in the limiting seat 15, so that the transmission rod 14 is effectively limited, and the stability of the limiting frame 16 in the motion process is improved.

The working principle is that when the color printer is used, the packaging film 5 is sleeved outside the mounting roller 4, an acting force is applied to the packaging film 5 through the contact of the two rubber sleeves 9 and the packaging film 5, the packaging film 5 can be effectively prevented from loosening, and in the running process of the color printer, the driving assembly can drive the connecting rod 2 to rotate and further drive the mounting roller 4 to rotate, the mounting roller 4 rotates to drive the packaging film 5 to rotate to convey the packaging film 5, in the process, the connecting rod 2 can simultaneously drive the transmission screw 3 to rotate, and because the transmission screw 3 is in threaded connection with the sliding seat 6, in the rotating process of the transmission screw 3, the sliding seat 6 can simultaneously slide, the sliding seat 6 moves to drive the mounting seat 7 to move, the mounting seat 7 moves to drive the closing plate 8 to move, the closing plate 8 moves to drive the rubber sleeves 9 to separate from the packaging film 5, so that the rubber sleeves 9 cannot contact with the packaging film 5 in the running process of the color printer, therefore, the operation of color printing cannot be influenced, in the process, the mounting seat 7 can simultaneously compress the reset spring 10 to enable the reset spring to contract, after the color printing is finished, the transmission screw 3 does not rotate at the moment, the force acting on the reset spring 10 disappears, the reset spring 10 starts to reset to push the mounting seat 7 to move, the mounting seat 7 moves to drive the sliding seat 6 to rotate on the transmission screw 3 and move towards the direction of the packaging film 5, the mounting seat 7 simultaneously drives the closing plates 8 to move, the two closing plates 8 move oppositely until the rubber sleeve 9 is in contact with the packaging film 5, and the packaging film 5 is prevented from loosening by applying an acting force, so that the effect of automatically applying the acting force to prevent the packaging film from loosening according to the working state of the color printing machine is achieved;

in the process of color printing, the mounting seat 7 moves to drive the transmission ring 12 to move simultaneously, and because the contact surface between the transmission ring 12 and the pushing block 13 is an inclined surface, the transmission ring 12 can apply an upward pushing force to the pushing block 13 at the moment, the pushing force acts on the transmission rod 14 to push the transmission rod 14 to slide in the limiting seat 15, the transmission rod 14 moves to drive the limiting frames 16 to move simultaneously, at the moment, the two limiting frames 16 move relatively, the limiting frames 16 move to drive the connecting seat 17 to move, at the moment, the elastic potential energy of the power storage spring 18 is released, the power storage spring 18 gradually extends, when the power storage spring 18 extends to the deformation degree of the power storage spring to be consistent with the gravity applied to the retaining sleeve 20, at the moment, the power storage spring 18 simultaneously pulls the pressing plate 19 to move until the pressing plate 19 drives the retaining sleeve 20 to separate from the packaging film 5, at the moment, the retaining sleeve 20 cannot apply a pressure to the packaging film 5, therefore, the operation of the color press is not influenced, in the resetting process of the mounting base 7, the limiting frame 16 moves reversely to drive the baffle sleeve 20 to be in contact with the packaging film 5, the baffle sleeve 20 can still be in contact with the packaging film 5 after the diameter of the packaging film 5 is reduced after a part of the packaging film 5 is used through the power storage spring 18, although the pressure acting on the packaging film 5 is reduced, the packaging film 5 can still be prevented from being loosened, and the effect of preventing the packaging film from being loosened in multiple directions is achieved.

In the description herein, references to the description of "one embodiment," "an example," "a specific 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Locking loose structure of packaging film on color press, its characterized in that: including color printing casing (1), color printing casing (1) inside is rotated and is connected with connecting rod (2), connecting rod (2) are close to the one end at color printing casing (1) center and are fixed with drive screw (3), the one end that connecting rod (2) were kept away from in drive screw (3) is fixed with installation roller (4), installation roller (4) external fixation has packaging film (5), there is sliding seat (6) drive screw (3) outside through threaded connection, sliding seat (6) external fixation has mount pad (7), one side that mount pad (7) are close to color printing casing (1) center is fixed with closing plate (8), the one end that closing plate (8) were kept away from in mount pad (7) is fixed with reset spring (10).

2. The anti-loose structure of the packaging film on the color press as claimed in claim 1, wherein: one end, far away from the mounting seat (7), of the reset spring (10) is fixed with a limiting ring (11), the limiting ring (11) is in through connection with the transmission screw rod (3), and the limiting ring (11) is fixedly connected with the inner wall of the color printing shell (1).

3. The anti-loose structure of the packaging film on the color press as claimed in claim 1, wherein: one side that closing plate (8) are close to packaging film (5) is fixed with rubber sleeve (9), the diameter of rubber sleeve (9) is less than the diameter of packaging film (5), rubber sleeve (9) and packaging film (5) sliding connection.

4. The anti-loose structure of the packaging film on the color press as claimed in claim 1, wherein: the transmission screws (3) are two in number and are symmetrically distributed on two sides of the mounting roller (4), and the connecting rod (2) is sleeved with an output shaft of the rotating assembly.

5. The anti-loose structure of the packaging film on the color press as claimed in claim 1, wherein: the outside of mount pad (7) is fixed with drive ring (12), the equal sliding connection in both ends has promotion piece (13) about drive ring (12), one side that drive ring (12) were kept away from in promotion piece (13) is fixed with transfer line (14), transfer line (14) are close to color printing casing (1) center one side and are fixed with spacing (16), spacing (16) inside is fixed with connecting seat (17), connecting seat (17) inside is fixed with and holds power spring (18), it is fixed with press plate (19) to hold power spring (18) one side that is close to packaging film (5), one side that press plate (19) are close to packaging film (5) is fixed with spacer (20).

6. The anti-loose structure of the packaging film on the color press as claimed in claim 5, wherein: one end of the transmission rod (14) far away from the limiting frame (16) is fixed with a limiting seat (15), and the limiting seat (15) is fixedly connected with the inner wall of the color printing shell (1).