CN1210144C - Irregularity providing device - Google Patents

Abstract

An irregularity providing device capable of providing irregularities on a sheet-like material by passing the sheet-like material between two rollers having irregular surfaces on the surfaces, wherein the rollers having irregular surfaces used for the device are manufactured by stacking a plurality of disks having irregular outer peripheral surfaces, and spacers of any thickness are inserted between the disks.

Description

Concave-convex forming device

technical field

The present invention relates to an unevenness forming device for forming unevenness on sheet-like materials such as paper, synthetic resin paper, wood board, metal thin plate, and processed food.

Background technique

Articles formed with concavities and convexities on sheet-like members are useful as decorative materials because of their excellent decorative properties, and have been used in wiping papers because they can improve wiping effects.

However, the article with unevenness formed on the sheet is not limited to the above-mentioned applications. For example, it can be used as sandpaper by utilizing the protrusion of the unevenness, and used as paper for absorbing oil and the like by using the old paper and waste paper by virtue of the absorption of the unevenness. And it is used as a filler for packaging materials by utilizing the cushioning properties of unevenness.

However, the process for forming unevenness is carried out in a large-scale industrialized manner using special manufacturing equipment, so it is difficult to form unevenness using materials at hand such as patterned paper, synthetic resin paper, aluminum foil, etc., and it can be easily used as a popular decoration Paper is also difficult to use nearby old paper and waste paper such as newspapers and copied paper to easily form unevenness, and it can be used cheaply for daily purposes as absorbent paper, sandpaper, etc.

In order to solve this type of problem, one of the applicants of the present invention's Japanese patent application (patent request flat 10-37 66 98) (abbreviated as "the application" hereafter) proposes a device for forming concavities and convexities on a sheet-like piece, It is formed by overlapping many pieces of circular plates with concavities and convexities on the outer periphery to form a roller, and two such rollers are engaged with each other so that the sheet-like piece passes between the two rollers.

Although the concave-convex forming device of this application can form uniform concave-convex with good aesthetic feeling on the sheet-like piece, it is a circular plate (hereinafter referred to as "belt belt") which is composed of a plate with the same thickness provided with concave-convex on the outer periphery. Concave-convex disks") are stacked to form a roll, so the influence of the tolerance of the thickness of the circular plate and the burr that occurs during stamping and laser processing, and the deformation of the plug during the fusing process is unavoidable.

Specifically, the concavo-convex discs (multiple pieces) that make up the meshable two roller surfaces must be formed with the same thickness along the axial direction of the roller to be meshed. When the thickness of the concavo-convex discs (multiple pieces) is different Even if there is a slight discomfort in the meshing, sometimes it is difficult to make the two rollers rotate in unison.

Therefore, when assembling the concave-convex forming device of this application, processing and adjustment must be performed one by one in order to make the thickness of each of the several plates fall within a certain range, which is not conducive to cheap manufacturing of the concave-convex forming device.

In addition, when the unevenness is formed by the unevenness forming device, depending on the application, the unevenness with a uniform appearance and good aesthetic feeling is not required in many cases.

In addition, the concavo-convex forming device of this application only overlaps a plurality of discs with concavities and convexities to form a roller, and sometimes it is necessary to sharpen the convex portion 21 for preventing meshing failure, such as truncated quadrangular pyramid (Fig. 9), so that even It is also possible to provide a lightweight and inexpensive spacer, but it is necessary to provide a circular plate with concavities and convexities, which results in one of the reasons for the weight of the weight roller itself.

Furthermore, in the case of a sheet-like article, due to its nature, the sheet-like article that has undergone embossing processing may sometimes be wound on the roller. However, since the concavo-convex forming device of this application is composed of a plurality of discs with concavo-convex overlapping to make the concavo-convex places dense, there is also a limit to making the front end of the needle-shaped rod approach the surface of the roller.

Contents of the invention

The present invention is conceived based on the above facts, and at the same time, it is to provide a device that can easily correct the tolerance of the disc thickness itself or the thickness variation caused by the strain during the concave-convex processing, and to provide a device that can freely adjust the concave-convex according to needs. The concave-convex forming device for processing is also intended to provide a lighter-weight concave-convex forming device.

The object of the present invention is achieved by providing a device characterized by providing a space maintaining mechanism in or between the concave and convex circular plates.

Generally, a wheel-shaped spacer (hereinafter referred to as "spacer") can be used as the spacer, but in the case of a material that can be integrally formed, such as a synthetic resin material, a concavo-convex disc and a spacer can also be used as a spacer. the whole frame.

Next, the case where the spacer is used as the spacer mechanism will be described. The device of the present invention is a concavo-convex forming device, in which a plurality of concavo-convex circular plates are overlapped to form the surface of the roller, and the sheet-like piece is passed between the concavo-convex on the surface of one roller and the concav-convex on the surface of the opposite roller, Concavities and convexities are formed on the sheet-like member, wherein a space maintaining mechanism is provided on or between circular plates provided with concavities and convexities on the outer periphery. In addition, the opposite roller is attached to the freely rotatable fixed roller by its own weight or a pressing device, so that the concave and convex of one roller meshes with the concave and convex of the opposite roller, and the rotation of the opposite roller can be achieved by rotating one roller. Good results.

Description of drawings

Fig. 1 is a sectional view and a plan view of a roller.

Fig. 2 is a plane view of a circular plate with concavities and convexities.

Fig. 3 is a plan view of the spacer.

The four circles show the usage status of the concave-convex forming device.

Figure 5 is a front sectional view of the device of the present invention.

Figure 6 is a side view of the device of the present invention.

Fig. 7 is a plan view showing the surface of a roller assembled with a disc with a concave-convex plate and a spacer, and a cross-sectional view showing the meshing state thereof.

Fig. 8 is a cross-sectional view of a concavo-convex circular plate taken in a tapered shape along the plate thickness direction.

Fig. 9 shows the basic shape (truncated quadrangular pyramid) of the convex portion of the circular plate with concavo-convex.

Fig. 10 shows the condition of the protrusions of the circular plate with concavo-convexes with increased workability in the circumferential direction.

Fig. 11 shows the condition of the protrusions of the circular plate with concavo-convexes with increased workability along the plate thickness direction.

Detailed ways

Preferred embodiments of the present invention will be specifically described below with reference to the accompanying drawings.

Fig. 4 schematically shows the state of use of the unevenness forming device. The sheet-like member 6 is passed between the roller 1 and the roller 2 facing it, and unevenness is formed on the sheet-like member from the uneven pattern on the surface of the roller.

1 to 3 show an embodiment of the invention corresponding to claim 1 of the present invention.

Fig. 2 shows a circular plate 20 with concavities and convexities, Fig. 3 shows a spacer 28, and Fig. 1 shows rollers 1 and 2 assembled from them.

Although the thickness of the concavo-convex circular plate is determined by the size of the concavo-convex required and the thickness, nature and state of the sheet-like piece for concavo-convex processing, generally 1-3mm is used.

A protrusion 26 is provided on the inner side of the circular plate with concavo-convex, and the protrusion is used to fit into the groove 27 provided on the roller shaft 23 so as not to shift the position of the concavo-convex on the disc with concavo-convex.

The above-mentioned protrusions can be provided singly or in multiples.

In addition, by properly designing the positions of the protrusions and making one type of circular plate with concavo-convex fit alternately, the concavo-convex pitch of the disc can also be properly shifted. In addition to metallic materials such as steel, aluminum, stainless steel, titanium, and copper, non-metallic materials such as hard resin and rubber can also be used for the concavo-convex circular plate 20 .

Figure 7 shows the situation in which the side of the convex portion of the roller 1 and the side portion of the convex portion of the opposite roller 2 are in an adjoining relationship. The shear effect (pinch effect), and the thickness of the spacer 28 may also be determined in consideration of the shear effect and the concavo-convex shape of the concavo-convex disc. Usually the spacer thickness used is 0.5-2mm.

Although the outer diameter of the spacer can consider the thickness, properties and state of the sheet-like member 6, making it larger than that required for forming the concave portion of the concavo-convex circular plate when the above-mentioned shearing effect is effectively exerted under the condition that the processing accuracy of each member is good. The required outer diameter, but generally the outer diameter is the same as or smaller than the outer diameter required to form the concave portion of the concave-convex circular plate.

The inner diameter is based on the inner diameter of the roller shaft, and is determined in consideration of tolerances.

The spacer can be made of the same material as the circular plate with concavity and convexity 20, but if a hard non-metallic material is used, it can be manufactured lightly and at low cost.

Rollers 1 and 2, as shown in Figure 1, pass through the fitted stop wheel 25 and baffle plate 24 at the beginning of the roller shaft 23, and sequentially fit the disc with concave and convex, and the spacer, and the end is the same as the beginning, and the same The structure is assembled by retaining and fixing the baffle and the stop wheel.

Alternatively, a bolt and nut arrangement may be used instead of the stop wheel.

The length of the concave-convex portion of the roller can be determined according to the processing width of the sheet-shaped piece 6 to be concave-convex processed, the price of the device, etc., and the small device for household use is about 150mm, and the device for business is about 3mm.

The diameter of the roller shaft can be determined according to the length of the concave-convex part of the roller and the nature and state of the sheet 6 processed by the concave-convex processing. The small device for household use is about 20 mm, and the device for business is about 36 mm.

Obviously, the length of the concave-convex portion of the roller and the diameter of the roller shaft can be made smaller or larger as required.

Fig. 7 is the view that observes the concave portion from the top of the convex portion 21 of the disc with concavo-convex disc, for the convenience of observation, the protruding portion is depicted with thick solid line and the concave portion is shown with dotted line, and the disc with concavo-convex plate is then staggered by half pitch Form description.

Take the section cut along the direction of the roller axis as the A-direction view, showing the state of the meshing of the two rollers.

The effects that can be expected at this time are as described above.

The shape of the convex portion of the circular plate with concavity and convexity is shown in Figure 8, and the outer circumference of the circular plate is tapered along the plate thickness direction, and the tapered shape can also be different on both sides of the plate. By constituting such a tapered shape, it is easy to mesh the two rollers.

The shape of the convex portion of the circular plate with concavo-convex is based on the truncated quadrangular pyramid shape shown in Figure 9,

If the thickness of the front end of the protrusion in the circumferential direction is reduced, the shape shown in FIG. 10 is obtained, and if the thickness of the front end of the protrusion along the plate thickness direction is reduced, the shape shown in FIGS. 11 and 8 is obtained.

It is also possible to use the plate thickness itself to reduce the thickness of the front end of the convex portion in the circumferential direction, and at this time, the shape shown in FIG. 7 can be obtained.

As long as the convex shape of the truncated pyramid is a circular plate with the same area and diameter of the bottom rectangular part as compared with the convex shape of the quadrangular pyramid, a larger surface area can be formed on the sheet, which is conducive to imparting concave-convex processing pieces with greater adsorption.

In addition, the length of the convex portion and the concave portion in the circumferential direction may be different, and the roller 1 and the roller 2 may be meshed.

In order to facilitate the understanding of the shape of the concavo-convex, the circular part of the circular plate is drawn as a straight line in the cross-section B in FIG. 10 and the cross-section C in FIG. 11 .

5 and 6 show an embodiment corresponding to claim 2 of the present invention.

Fig. 5 is a front sectional view, and Fig. 6 is a side view.

On the platform 14, the side wall unit consisting of a pair of side columns 11 and an upper plate 15 is fixed by a pair of left and right screws. A lower part 16 is provided in the side wall unit, and a lower bearing housing 12 and an upper bearing housing 13 are slidably fitted between the side columns at the upper part thereof.

In the left and right pair of lower bearing seats, the roller (1) is installed through the bearing, and in the left and right pair of upper bearing seats, the roller 2 is installed through the bearing, and the upper bearing seat is screwed into the screw 17 in the upper plate 15 and The pressing mechanism formed by the gap adjustment knob 18 is pressed downward, and the gap between the rollers can be adjusted freely according to the thickness, properties and state of the sheet.

Turning the manual handle 9 can make the rollers 1 and 2 rotate to form concavities and convexities on the sheet.

A helical spring can be set between the upper end of the upper end bearing seat and the lower end of the screw.

When the sheet is thin, the unevenness can be formed only by the own weight of the roller 2 .

Possibility of industrial use

The present invention is carried out in the above-mentioned manner, and by providing the spacer, it is possible to have remarkable industrial applicability as described below.

By installing the spacer, it is possible to easily deal with the influence of the thickness tolerance of the disc and the influence of the deformation caused by the fusion process of the burrs and blockages that occur during the punching and laser processing during the concave-convex manufacturing process.

For example, there is no need for a burnishing treatment for removing burrs generated during press processing.

As the shape of the spacer, it is not necessary to provide an anti-slip mechanism such as a protrusion in the inner circle of the concave-convex circular plate, and since a simple wheel-shaped structure can be used, an inexpensive component that is easy to manufacture can be selected.

In addition, if several spacers of this shape are prepared with different thicknesses, it is very easy to make the unit of the concave-convex circular plate composed of multiple pieces take the same thickness. When the disk units are further stacked, it is possible to easily assemble a long roller with good accuracy in the position of unevenness.

In addition, by making the outer diameter of the spacer smaller than the diameter of the circle constituting the concave bottom of the concave-convex disc, it is possible to avoid processing deformation of the concave-convex part, such as burrs during punching, and fusing of plugs during laser processing. Influence.

Due to the above-mentioned various effects, it is not necessary to adjust and process the concavo-convex circular plate itself of a complicated shape, so that the device can be provided at low cost.

The existing concave-convex forming device only stacks a plurality of discs to form a roll. Sometimes it is necessary to sharpen the convex part, such as a truncated quadrangular pyramid, in order to prevent poor meshing. In some cases, it is also necessary to install a circular plate with concavity and convexity. As a result, the weight of the roller itself will be increased and the price of the device will be increased. A large number of spacers can make the whole device light and cheap.

When the side portion of the convex portion of the roller 1 is adjacent to the side portion of the convex portion of the opposite roller 2, since the shearing effect (pinch effect) can be generated on the sheet between the convex portions of the two rollers, by Reducing the thickness of the spacer enhances the shearing effect, allowing the sheet to be perforated in this portion.

In this way, the paper sheet-like member has a greater adsorption performance and has a wider application as oil-absorbing paper.

Thin sheet-like pieces are sometimes wound up on the roller after concave-convex processing. In order to prevent this phenomenon, many needle-like rods can be provided on the spacer part, which can reliably prevent the roll from rotating and prevent the sheet-like piece from being wound up. .

In addition, for corrugated paper, which has a hollow material, it is not necessary to engage the concave and convex parts of the two rollers, and it is only necessary to open holes at the convex parts to improve the adsorption.

Claims (9)

1. A concavo-convex forming device for forming concavo-convex on the sheet-form by passing the sheet-form between a pair of rollers opposite to each other, characterized in that, The roller is a roller with a roller surface formed by overlapping a plurality of concave-convex circular plates with concave-convex on the outer periphery; Make the concave portion of the disc with concavity and convexity of one roller face the convex portion of the disc with concavity and convexity of the other roller, and make the convex portion of the disc with concavity and convexity of one roller and the disc with concavity and convexity of the other roller the recesses are opposite, thereby engaging the pair of rollers; An interval maintaining mechanism is provided between the plurality of concavo-convex circular plates. 2. The concave-convex forming device according to claim 1, wherein the opposing roller is pressed against the freely rotatable fixed roller by its own weight or a pressing mechanism, forming a mechanism in which the concave-convex of the roller and the concave-convex of the opposite roller mesh with each other. 3. The concave-convex forming device according to claim 1, wherein a plurality of needle-shaped rods are provided in the space maintaining mechanism portion. 4. A paper having unevenness formed by the unevenness forming device according to claim 1. 5. A synthetic resin paper having unevenness formed by the unevenness forming device according to claim 1. 6. A wooden board formed with concavities and convexities by the concavo-convex forming device according to claim 1. 7. A thin metal plate having unevenness formed by the unevenness forming apparatus according to claim 1. 8. A sheet-like processed food product having unevenness formed by the unevenness forming device according to claim 1. 9. An aluminum foil having unevenness formed by the unevenness forming apparatus according to claim 1.

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