Operation method of PVDC film cutting joint bonding device
Technical Field
The invention belongs to the technical field of PVDC (polyvinyl dichloride) casing films, and particularly relates to an operation method of a PVDC film cutting joint bonding device.
Background
The PVDC casing film is a packaging material with very good comprehensive barrier property, can effectively block oxygen and water vapor, and prolongs the shelf life of the contents. The PVDC casing film is very sensitive to heat, has high heat shrinkage rate, can shrink at high temperature and is tightly attached to a package, and the package is very attractive.
The lower edge of a previous roll of film and the lower edge of a next roll of film need to be bonded by adhesive tapes after film cutting of the existing PVDC casing, so as to avoid the problems that the adhesive tapes are inconvenient to cut off after bonding, and the redundant adhesive tapes at two ends are inconvenient to remove, so that the casing cutting and film bonding efficiency is influenced, an operation method of a PVDC film cutting and film joint bonding device is provided.
Disclosure of Invention
The invention aims to provide an operation method of a PVDC film cutting and splicing device, which aims to solve the problems that after film cutting, the lower edge of a previous roll of film and the lower edge of a next roll of film need to be subjected to adhesive tape splicing, the adhesive tape is not convenient to cut after splicing, and the redundant adhesive tapes at two ends are not convenient to remove, so that the cutting and splicing efficiency of casing is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: an operation method of a PVDC film cutting joint bonding device comprises a wood board, wherein a side plate is fixedly connected to one side of the upper surface of the wood board, a fixed block is fixedly connected to one side of the outer surface of the side plate, a rotating shaft is movably connected to the inner surface of the fixed block, a connecting rod is fixedly connected to the outer surface of the rotating shaft, a rotating block is fixedly connected to one end of the connecting rod, a cutter is fixedly connected to the lower surface of the rotating block, a first reset spring is fixedly connected to one side of the inner surface of the rotating block, a sliding block is fixedly connected to one end of the first reset spring, a rolling ball is movably connected to one side of the outer surface of the sliding block, a connecting block is fixedly connected to the other side of the outer surface of the sliding block, a limiting block is fixedly connected to one end, the outer surface of one end of the control rod is fixedly connected with a handle, and the upper surface of the wood board is provided with a cutting groove.
Preferably, the cutter includes shrink shell and accomodates the piece, accomodate the lower fixed surface of piece and rotatory piece and be connected, the internal surface fixed connection who accomodates the piece has second reset spring, second reset spring's one end fixedly connected with dog, the inside of shrink shell is provided with the blade.
Preferably, the blade is located inside the shrink casing, and one end of the blade is fixedly connected with the outer surface of the receiving block.
Preferably, a torsion spring is arranged between the rotating shaft and the fixed block, and the rotating block and the rotating shaft are fixedly connected through a connecting rod.
Preferably, a sliding groove matched with the ball is formed in one side of the inner wall of the rotating block, and the sliding block is fixedly connected with the rotating block through a first return spring.
Preferably, the cutting groove comprises a wide groove on the upper surface of the wood board and a narrow groove below the wide groove, and the width of the wide groove on the upper surface of the wood board is equal to the width of the shrink casing.
Preferably, the control rod is fixedly connected with the connecting block through a limiting block, and the connecting block is fixedly connected with the first return spring through a sliding block.
Compared with the prior art, the invention has the beneficial effects that:
1. through the rotation axis, fixed block, handle, control lever and the stopper of design, solved PVDC casing and need carry out the sticky tape bonding with the lower limit of last volume film and the lower limit of next volume film after cutting the membrane, be not convenient for cut the sticky tape after avoiding bonding, be not convenient for remove the unnecessary sticky tape in both ends simultaneously, influence the casing and cut the problem of membrane bonding efficiency.
2. Through the shrink shell of design, accomodate piece, blade, dog and second reset spring, solved PVDC casing cut membrane and connect bonding device in the use, the cutter of cutting sticky tape probably brings certain injury to operating personnel because misuse, in order to avoid causing the influence to operating personnel's work, can't reduce the problem of the potential safety hazard that the cutter used.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the wood board of the present invention;
FIG. 3 is a side cross-sectional structural schematic view of a rotating block of the present invention;
FIG. 4 is a side cross-sectional structural schematic view of a retraction housing of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 1-A of the present invention.
In the figure: 1. a wood board; 2. a side plate; 3. rotating the block; 4. a connecting rod; 5. a rotating shaft; 6. a fixed block; 7. a grip; 8. a control lever; 9. a limiting block; 10. a first return spring; 11. a slider; 12. a ball bearing; 13. connecting blocks; 14. a cutter; 15. retracting the housing; 16. receiving the block; 17. a blade; 18. a stopper; 19. a second return spring; 20. and (6) grooving.
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.
Referring to fig. 1-5, the present invention provides the following technical solutions: an operation method of a PVDC film cutting joint bonding device comprises a wood board 1, a side plate 2 is fixedly connected to one side of the upper surface of the wood board 1, a fixed block 6 is fixedly connected to one side of the outer surface of the side plate 2, a rotating shaft 5 is movably connected to the inner surface of the fixed block 6, a connecting rod 4 is fixedly connected to the outer surface of the rotating shaft 5, a rotating block 3 is fixedly connected to one end of the connecting rod 4, a cutter 14 is fixedly connected to the lower surface of the rotating block 3, a first return spring 10 is fixedly connected to one side of the inner surface of the rotating block 3, a sliding block 11 is fixedly connected to one end of the first return spring 10, a rolling ball 12 is movably connected to one side of the outer surface of the sliding block 11, a connecting block 13 is fixedly connected to the other side of the outer surface of the sliding block 11, a limiting, the outer surface of one end of the control rod 8 is fixedly connected with a handle 7, and the upper surface of the wood board 1 is provided with a cutting groove 20.
In the embodiment, in the using process of the device, firstly, the adhesive tape is sleeved on the outer surface of the control rod 8, then, one end of the adhesive tape is attached to one side of the wood board 1, the handle 7 is held during bonding, the control rod 8 drives the limiting block 9 to move, the limiting block 9 drives the sliding block 11 through the connecting block 13 to stretch the first return spring 10 and enable the first return spring to bear force, when the handle 7 drives the control rod 8 to move to the other side of the rotating block 3, the adhesive tape is smoothed by hand, then the handle 7 is pulled down to drive the rotating block 3 to move downwards through the control rod 8 and the sliding block 11, the rotating block 3 drives the rotating shaft 5 to rotate on the inner surface of the fixed block 6 through the connecting rod 4 and compress the torsion spring to enable the torsion spring to bear force, then the rotating block 3 drives the cutter 14 on the lower surface of the rotating block 3 to be inserted into the cutting groove 20 to, under the action of the torsion spring and the first return spring 10, the rotating block 3 drives the rotating shaft 5 to rotate on the inner surface of the fixed block 6 through the connecting rod 4 to return to the original position, and meanwhile, the sliding block 11 moves in the rotating block 3 to drive the mechanisms to return to the original position, so that the device is convenient to use.
Specifically, the cutter 14 includes a retraction housing 15 and a receiving block 16, the receiving block 16 is fixedly connected to the lower surface of the rotating block 3, a second return spring 19 is fixedly connected to the inner surface of the receiving block 16, a stopper 18 is fixedly connected to one end of the second return spring 19, and a blade 17 is disposed inside the retraction housing 15.
In this embodiment, when cutting the sticky tape, at first shrink shell 15 and the wide groove contact of grooving 20 upper portion, are stopped the back pressurized by the wide groove, shrink shell 15 drives dog 18 and makes its atress to the inside removal of receiving piece 16 and compression second reset spring 19 this moment, then expose shrink shell 15 inside blade 17, cut the sticky tape, the back of using is under the effect of second reset spring 19 power control shrink shell 15's restoration, be convenient for reduce the potential safety hazard when cutter 14 uses.
Specifically, the blade 17 is located inside the shrink casing 15, and one end of the blade 17 is fixedly connected to the outer surface of the receiving block 16.
In the present embodiment, the blade 17 inside the retractable housing 15 is used normally, the retractable housing 15 provides protection for the use of the blade 17, and the blade 17 is pushed down by the receiving block 16 to perform the cutting operation.
Specifically, a torsion spring is arranged between the rotating shaft 5 and the fixed block 6, and the rotating block 3 and the rotating shaft 5 are fixedly connected through a connecting rod 4.
In this embodiment, the torsion spring between the rotating shaft 5 and the fixing block 6 is used to control the rotating block 3 to drive the connecting rod 4 and the rotating shaft 5 to reset after moving.
Specifically, a sliding groove matched with the ball 12 is formed in one side of the inner wall of the rotating block 3, and the sliding block 11 is fixedly connected with the rotating block 3 through the first return spring 10.
In this embodiment, the spout and the ball 12 interact of 3 inner wall one sides of rotatory piece reduce slider 11 and move the frictional force that receives in rotatory piece 3 inside, be convenient for to the use of device.
Specifically, the cutting groove 20 includes a wide groove on the upper surface of the wood board 1 and a narrow groove below the wide groove, and the width of the wide groove on the upper surface of the wood board 1 is equal to the width of the shrink case 15.
In this embodiment, the wide slot on the upper portion of the cutting slot 20 is used to limit the movement of the shrink housing 15, and then the blade 17 is exposed to cut the adhesive tape, so as to ensure the normal use of the cutter 14.
Specifically, the control rod 8 and the connecting block 13 are fixedly connected through the limiting block 9, and the connecting block 13 and the first return spring 10 are fixedly connected through the sliding block 11.
In this embodiment, the control rod 8 moves to drive the connecting block 13 to move through the limiting block 9, and the connecting block 13 drives the sliding block 11 to move and stretches the first return spring 10 to provide power for the return of each mechanism.
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.