JP3064655U - Paper or film cutter - Google Patents

Abstract

(57) [Problem] To mainly cut a roll of paper or a film for food packaging by a cutter using a hot wire, but the operability is difficult and the hot wire becomes hot. It takes time, power consumption is large, there is a danger of toxic gas generation and burns, and the cost of the cutter is high. A cutting mechanism using a cutter is employed in place of a conventional cutting mechanism using a hot wire. Provide a film cutter. [Effects] Simple and good operability without using electricity or other power, and stable results can be obtained. Since there is no fear of toxic gas or burns, the working environment is improved, the internal structure is simple, the manufacturing cost is low, and there are few failures.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 TECHNICAL FIELD The present invention relates to a paper or film cutter for cutting rolled paper or film, which is used for packaging foods and other articles for business and household use.

[0002]

[Prior art]

 In department stores, supermarkets, convenience stores, etc., roll-shaped films are mainly used for packaging foods. These roll-shaped films were much larger in diameter and width and heavier than so-called wraps for home use, so a special cutter was required.

[0003] Conventionally, in such a cutter for cutting a roll film for business use, a method is used in which a heating element in which a heating element is encapsulated in glass fiber is integrated as a cutting portion, and the film is melted by heat and cut. Was common.

[0004]

[Problems to be solved by the invention]

 The conventional paper or film cutter described above has the following disadvantages. Since the film is pulled by hand and cut while pulling along the heat wire, it is troublesome and troublesome, and the cut film may be wrinkled, making it difficult to use. If the heating wire does not have enough heat, it will not be possible to cut the film, and it will take some time to start working after turning on the power. The power consumption is large because the hot wire is kept energized during the work. There is a large health problem for workers, such as the generation of toxic gases due to the melting of the film and burns due to heat rays. The complicated structure in which heat wires are arranged inside increases the cost of the entire cutter. In addition, since there was no film cutter for exclusive use at home in the past, there was a trouble that the film had to be applied to a saw tooth attached to a film case by hand and then torn.

[0005]

[Means for Solving the Problems]

 The present invention solves the above-mentioned various problems of a conventional paper or film cutter, and is more suitable for business use and home use, which is safer, cheaper, and provides reliable results. It is an object to provide a paper or film cutter.

The gist of the invention is that a cutting mechanism using a cutter is adopted in place of the conventional cutting mechanism using a hot wire, and is slidably inserted into a rail attached to the upper front end by a restoring force of a spiral leaf spring or manually. A mechanism that cuts paper or film by sliding a cutter installed upright. Then, the roll of paper or film can be pulled out with a constant force from the beginning to the end of use, and the degree of pivotal attachment of the roller on which the roll is placed is controlled by the support screw controlled by the adjusting screw. It is configured so that it can be controlled by pressing.

[0007]

[Embodiment of the invention]

 Hereinafter, the configuration of an embodiment using the spiral leaf spring of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 5, the cutting device of the present invention is formed by side plates 1 and 2 and side plate covers 3 and 4, as well as a front plate 6, a mounting plate 19 and a rear plate 7, and the plane of the cutting device. 2 and 5, a roller box 14 and a roller 15 are arranged in a lower portion between the side plates 1 and 2 so as to be freely rotatable.

At the upper front end of the cutter, a rail 8 is integrally fixed to the front ends of the side plates 1 and 2 between the side plate covers 3 and 4, and a slide plate 9 is slidably mounted in the rail 8. It is stored. A mounting plate 19 is fixed to the rear of the rail 8, and a receiving plate 13 is fixed to a substantially upper portion of the back surface of the mounting plate 19. A guide roller 5 is inserted between the side plates 1 and 2 behind the receiving plate 13 and is rotatably mounted.

Reference numeral 10 denotes a starting plate located between the side plate covers 3 and 4 in front of the rail 8, and as shown in FIG. 5 (right side view), one end of a support plate 16 is fixed to the starting plate 10 to support the starting plate. The plate 16 is pivotally attached to the side plate 1 so as to be rotatable up and down about a base shaft 17, and a spring 18 is interposed between the other end of the support plate 16 and the bottom of the side plate 1. Therefore, the activation plate 10 is in a state where it can slightly move up and down (the direction A in FIG. 5). Although not shown, the left side is in the same state.

FIG. 6 shows the structure of the slide plate 9. A plate-shaped shaft 24 is erected and fixed on the upper part of the main body 20, and a cutter 23 is housed on the left and right in a thin plate-shaped space formed by the shaft 24 and the holder 22 fixed on the upper part. The cutter 23 uses a commercially available blade of a replaceable blade as it is, and is detached from the cap 21 and attached to the holder 22. The lower part of the main body 20 is divided into left and right parts, the lower part of the right end 25 is formed in a semicircle, the left end 26 is bent forward by 90 °, and the free end of the spiral leaf spring 27 is screwed to that part.

FIG. 7 is an external view of the front left end of the embodiment (with the front plate 6 removed). A spring mounting plate 29 is fixed to a mounting plate 19, and a spiral leaf spring 27 is centered on the spring mounting plate 29. , And the front surface is further covered with a cover 28. The free end of the spiral leaf spring 27 is screwed to the lower left end 26 of the slide plate 9 as described above.

FIG. 8 is an external view of the right front end of the embodiment (with the front plate 6 removed). A fixing plate 32 having an L-shaped cross section is screwed to the mounting plate 19. The sliding plate 31 is slidably attached to the upright portion via the slit-shaped holes 36a and 36b and the screws 37a and 37b with washers so as to be slidable in the vertical direction. The sliding plate 31 has an upper end 35a and a lower end 35b which are bent to form a Z-shape as a whole, and a substantially triangular catch 30 protruding forward is screwed to the upper end, and the upper side thereof is a starting plate. 10 is in contact with the lower surface (see FIG. 5). A lower end of a spring 33 is connected to a lower end 35 b of the sliding plate 31, and an upper end of the spring 33 is connected to a shaft 34 protruding from the mounting plate 19.

FIGS. 9A and 9B are plan views of the left end portion of the embodiment, and show a state in which the rollers 14 and 15 are pivotally attached to the case 2 via the plate spring 38. A manual screw 39 is inserted through the center of the leaf spring 38, and the shape of the leaf spring 38 can be changed by the degree of tightening of the manual screw 39.

Next, the operating state of the embodiment will be described in detail with reference to the drawings. 1 to 5, a paper or film roll 11 is placed on rollers 14, 15 such that the paper or film 12 is pulled out from below. When only a small amount of paper or film remains on the roll 11, the diameter of the roll 11 is substantially equal to the diameter of the paper tube 64. At this time, the distance between the rollers 14, 15 is adjusted so that the roll 11 does not hang down. It is set appropriately.

Next, as shown in FIG. 4, when the slide plate 9 is in the left position, the slide plate 9 is slid in the rail 8 and moved to the right. At this time, as shown in FIGS. 3 and 8, the lower right end 25 of the slide plate 9 slides to the right over the upper end 35a while pushing down the upper end 35a of the slide plate 31, and the right end 25 is the uppermost end of the upper end 35a. When the upper end is exceeded, the slide plate 31 suddenly jumps upward by the elastic force of the spring 33, the right end 25 is engaged with the right side of the slide plate 31, and the slide plate 9 stops at the right end of the rail 8. At this time, the spiral leaf spring 27 screwed to the lower left end 26 of the slide plate 9 is in an extended state.

Next, the paper or film 12 is pulled out over the guide roller 5 by an arbitrary length and stretched on the rail 8 and the starting plate 10 (FIG. 1). At this time, the paper or film 12 does not touch the receiving plate 13 in a normal state. However, even if the paper or film may hang at a point beyond the guide roller 5 for some reason, the paper or film 12 hangs down. Is prevented.

When the paper or film 12 is brought into close contact with the rail 8, the starting plate 10 is pushed down. When the starting plate 10 is pressed down, the receiving metal 30 is pressed down by the pressing force, and the sliding plate 31 fixed to the receiving metal 30 is pressed down. When the upper end 35a of the slide plate 31 is lowered to a position lower than the lower right end 25 of the slide plate 9, the slide plate 9 in the locked state is released from the slide plate 31, and the restoring force of the spiral leaf spring 27 is released. As a result, the slider 23 rapidly slides to the left in the rail 8, and accordingly, the cutter 23 cuts the paper or the film 12 stuck on the rail 8. When the operator releases the activation plate 10, the activation plate 10 returns to its original position by the restoring force of the spring 18 (FIG. 5), and the receiving metal 30 and the sliding plate 31 also return to the restoring force of the spring 33 (FIG. 8). To return to the original position. The slide plate 9 stops at the left end of the rail 8 (FIG. 4).

One step is completed by the above operation. The next operation is started when the operator slides the slide plate 9 in the rail 8 and locks the slide plate 9 on the right end of the rail 8. Even if the paper or film 12 is pulled out from the roll 11 while being stopped at the left end of 8 and stretched on the rail 8, the cutters 23 are stored on the right and left sides of the slide plate 9. The paper or film 12 is cut by manually sliding the slide plate 9 to the right. The operator can slide the slide plate 9 as it is and lock it to the right end of the rail 8 to start the next step.

The weight of the roll 11 is heavy at the beginning of use, and becomes lighter as the diameter decreases. Accordingly, the weight applied to the rollers 14 and 15 on which the roll 11 is placed also changes. If the weight is large, the rotational resistance of the rollers 14 and 15 increases, and if the weight is small, the resistance decreases. However, since the rollers 14 and 15 rotate when the operator pulls out the film 12, it is desirable that the rotational resistance of the rollers 14 and 15 be kept constant from the viewpoint of working efficiency.

FIGS. 9A and 9B show a control mechanism for keeping the rotation resistance of the rollers 14 and 15 substantially constant. When the diameter of the roll 11 is large (heavy weight), the leaf spring 38 is flattened by tightening the manual screw 39 as shown in FIG. 9A. Thereby, the pressure at which the right ends (FIG. 2) of the rollers 14 and 15 are pressed against the side plate 1 is weakened, and the rotational resistance is reduced. If the diameter of the roll 11 is reduced (the weight is small) and the rotational resistance becomes too small, the manual screw 39 is loosened to increase the curvature of the leaf spring 38 as shown in FIG. 9b. As a result, the right ends (FIG. 2) of the rollers 14 and 15 are pressed against the side plate 1, and the rotation resistance is increased. By appropriately performing this operation while using the embodiment, the operator can always pull out the film 12 with a substantially constant force.

FIG. 10 shows an embodiment in which a cover 40 for covering the roll 11 is used in the embodiment shown in FIG. A part of the cover 40 may be provided with a transparent window 41 for checking how the roll 11 is reduced. The upper surface of the cover 40 is flat, and also serves as a packaging workbench. Therefore, a stopper 42 for temporarily pressing the package is also provided. As shown in FIG. 11, a transparent cover 43 made entirely transparent may be placed.

Next, the configuration of a manual embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 12 to 14, covers 45 and 46 are provided on the left and right sides of the main body, and a guide roller 5 is inserted and rotatably mounted behind upper portions of the covers 45 and 46. A plate 44 is fixed between the covers 45 and 46 with the concave portion facing upward, and the receiving plate 44 is protruded on the front side to become the rail 8 as it is, and the front portion of the rail 8 extends downward to form the front plate 47, The front plate 47 is bent rearward at the bottom to form a bottom plate 57 (FIG. 14). A receiving plate 60 is integrally fixed to the front plate 47 on the front side. Further, a guide rail 59 is fixedly mounted between the covers 45 and 46 in the body below the rail 8.

A roller 48 is pivotally attached to covers 45 and 46 via a movable shaft 53 at a lower rear portion of the guide roller 5. A spring 54 is wound around the movable shaft 53, and the movable shaft 53 is rotated rearward from an upright state to nearly 90 ° by the spring 54 and a stopper 55 projecting from the covers 45 and 46. It is possible.

A fixing piece 52 is protrudingly provided at a lower rear portion of the covers 45 and 46, and a support plate 50 is fitted into the fixing piece 52. A roller 49 is rotatably mounted behind the support plate 50. Below the 49, a stabilizer 51 is fixed. A substantially L-shaped roll receiver 56 is fixed to a substantially central portion of a rear portion of the bottom plate 57 (FIGS. 14 and 16). At the left and right ends of the bottom plate 57, suction plates 58 are mounted.

FIG. 15 shows the structure of the slide plate 61 of this embodiment. A plate-shaped shaft 24 is fixed upright on the upper part of the main body 20, and a cutter 23 is housed on the left and right in a thin plate-shaped space formed by the shaft 24 and a holder 22 fixed on the upper part. The cutter 23 uses the blade of a commercially available renewable blade type cutter as it is, and is attached with the cap 21 over the holder 22 removed. A sliding portion 62 is fixed to the lower end of the main body 20. The sliding portion 62 is made of a soft resin or the like, and is provided with a groove in a longitudinal direction. It is suspended freely inside.

Next, the operating state of the embodiment will be described in detail with reference to the drawings. 12 to 14, a paper or film roll 11 is placed on rollers 48, 49 in such a way that the paper or film 12 is pulled out from below. In this case, the roller 48 is used in an upright state by the repulsive force of the spring 54 and the stopper 55. If only a small amount of paper or film remains on the roll 11, the diameter of the roll 11 is substantially equal to the diameter of the paper tube 64, but even in this case, the diameter of the rollers 48 and 49 is adjusted so that the roll 11 does not fall. The intervals are set appropriately.

Next, the slide plate 61 is positioned at the left end or the right end of the rail 8. In this state, the paper or film 12 is pulled out through the guide roller 5 and the receiving plate 44 by an arbitrary length, stretched on the rail 8 and the receiving plate 60 (FIG. 12), and the cap 21 of the slide plate 61 is removed. Is held in one hand by the operator, and the inside of the rail 8 is slid from one end to the other end, and the paper or film 12 is cut by the cutter 23 attached to the holder 22. One operation is completed in the operation of the embodiment. Since the cutters 23 are mounted on both sides of the slide plate 61, the operator need not return the slide plate 61 to the original position, and can start the next step as it is.

Since the embodiment shown in FIGS. 12 to 14 is a manual type having a relatively simple structure, it has a structure that can be used even when a commercially available household roll 63 (FIG. 17) is used. . In this case, as shown in FIGS. 16 and 17, the roller 49 shown in FIG. 14 is pulled out of the fixing piece 52 together with the support plate 50, and the roller 48 is tilted backward to about 90 °, so that the roll receiver 56 and the roller 48 are removed. Nips the roll 63. Since the force to restore the roller 48 to the upright position is always exerted on the roller 48 by the repulsive force of the spring 54, even if the diameter of the roll 63 is reduced by use, the roller 48 can be held with the same force. In the case of the home roll 63, the operation process is exactly the same as that of the roll 11 described above. Also, in this case, since the whole becomes lightweight, there is a possibility that the entire device is tilted forward by the force of the worker pulling the film 12, but in order to prevent this, the suction device provided on the bottom plate 57 is used. The board 58 is adsorbed on a support such as a table to stabilize the whole.

[0029]

[Effect of the invention]

 As can be seen from the above embodiments, the present invention does not use electricity or other power at all, and is simpler than conventional film cutters that use a hot wire. The result is more reliable and stable than a cutting machine (because the film is not wrinkled and the cut is beautiful). The work is simple and easy to use for workers, and there is no concern about melting of the film or burns due to heat rays, which greatly contributes to the improvement of the working environment. Furthermore, since the internal structure is simple, the manufacturing cost is low and there are few failures. In addition, in the present invention, the cutting part uses the blade of a commercially-available blade-type cutter knife, and the cap is removed so that it can be replaced. However, there is almost no blade spill in actual use ( Especially in the case of film), it has been confirmed that it can be used semi-permanently in practice, and it is extremely useful as a cutting device for home use as well as for business use.

[Brief description of the drawings]

FIG. 1 is an external perspective view of one embodiment of a paper or film cutter (using a spiral leaf spring) of the present invention.

FIG. 2 is a plan view of one embodiment of the paper or film cutter (with a spiral leaf spring) of the present invention.

FIG. 3 is a partially cutaway front view of the paper or film cutter (with a spiral leaf spring) of the present invention (when the slide plate is at the right end).

FIG. 4 is a partially cutaway front view of a paper or film cutter (with a spiral leaf spring) of the present invention (when the slide plate is at the left end).

FIG. 5 is a right side view (with a side plate cover removed) of one embodiment of the paper or film cutter (with a spiral leaf spring) of the present invention.

FIG. 6 is an external perspective view of a slide plate of the paper or film cutter (using a spiral leaf spring) of the present invention.

FIG. 7 is an external perspective view of the embodiment of the paper or film cutter (using a spiral leaf spring) of the present invention with the front plate at the front left end removed.

FIG. 8 is an external perspective view of the embodiment of the paper or film cutter (with a spiral leaf spring) of the present invention with the front plate at the front right end removed.

FIG. 9a is a plan view of the main part of the left end of an embodiment of the paper or film cutter (using a spiral leaf spring) of the present invention. b is a plan view of the main part of the left end of the embodiment of the paper or film cutter (using a spiral leaf spring) of the present invention.

FIG. 10 is an external perspective view of an embodiment in which a cover is provided on an embodiment of a paper or film cutter (using a spiral leaf spring) of the present invention.

FIG. 11 is an external perspective view of an embodiment of the present invention in which a transparent cover is provided on an embodiment of a paper or film cutter (using a spiral leaf spring).

FIG. 12 is an external perspective view of one embodiment of a paper or film cutter (manual one) of the present invention.

FIG. 13 is a plan view of an embodiment of the paper or film cutter (manual) of the present invention.

FIG. 14 is a vertical sectional view taken along the line AA in FIG. 13 of one embodiment of the paper or film cutter (manual one) of the present invention;

FIG. 15 is an external perspective view of a slide plate of one embodiment of a paper or film cutter (manual device) of the present invention.

FIG. 16 is a plan view of one embodiment of a paper or film cutter (manual one) of the present invention.

FIG. 17 is a vertical sectional view taken along the line BB of FIG. 16 of the embodiment of the paper or film cutter (manual device) of the present invention.

[Explanation of symbols]

 1 side plate 2 side plate 3 side plate cover 4 side plate cover 5 guide roller 6 front plate 7 rear plate 8 rail 9 slide plate 10 start plate 11 roll 12 film 13 receiving plate 14 roller 15 roller 16 support plate 17 fulcrum 18 spring 19 mounting plate 20 body 21 Cap 22 Holder 23 Cutter 24 Axis 25 Right end 26 Left end 27 Spiral leaf spring 28 Cover 29 Spring mounting plate 30 Receptacle 31 Sliding plate 32 Fixing plate 33 Spring 34 Axis 35 a Upper end 35 b Lower end 36 a, b hole 37 a, b screw 38 plate Spring 39 Manual screw 40 Cover 41 Transparent window 42 Stopper 43 Transparent cover 44 Receiving plate 45 Cover 46 Cover 47 Front plate 48 Roller 49 Roller 50 Support plate 51 Stabilizing plate 52 Fixed piece 53 Movable shaft 54 Spring 55 Stopper 56 Roll receiver 57 Bottom plate 58 Adsorbing plate 59 Guide rail 60 Receiving plate 61 Slide plate 62 Sliding part 63 Roll 64 Paper core A Shows the vertical movement of the starting plate

Claims (4)

[Utility model registration claims] 1. A slide plate containing a cutter slides from one end to the other end in a rail at an upper front end by operating a start switch by a restoring force of a spiral leaf spring to cut a roll of paper or film. A paper or film cutter configured to be capable. 2. The paper or film cutter according to claim 1, wherein cutters are provided on the left and right sides of the slide plate so that the paper or film can be cut manually even when the spiral leaf spring is extended. 3. A slide plate in which a cutter is housed is slid in both left and right directions only manually.
A paper or film cutter as described. 4. The apparatus according to claim 1, wherein the degree of pivotal engagement of the roller holding the roll of paper or film can be controlled by pressing a support plate controlled by an adjusting screw.
A paper or film cutter as described.