JP4082890B2 - Slitter's leather mounting device - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a slitter for slitting a web material such as paper and plastic film, and more particularly to a leather attaching device thereof.
[0002]
[Prior art and its problems]
In a slitter that slits a web material such as paper or plastic film, a leather is often attached to an appropriate position of an arm, and the web material is often slit by the cutting edge. In this case, every time the leather is damaged or worn, it is necessary to replace it with a new leather. Furthermore, it is required to change the leather with the web material. However, in order to change the leather, the leather must be removed from the arm and reattached at the position where the arm is installed, which is not easy. Time and effort are required. There is a risk that workers may be injured by leather, which is dangerous, and there is a strong demand for improvement.
[0003]
OBJECT OF THE INVENTION
Therefore, the present invention has been made for the purpose of providing a new slitter leather attaching device so that the leather can be easily replaced and is safe.
[0004]
[Structure of the invention]
According to the present invention, the holder is combined with the arm, the receiving groove is formed along the side surface of the arm, and the receiving groove reaches the tip of the arm. The holder is of a cartridge type and has a flat plate shape corresponding to the arm groove. The leather is held by the holder, and at the tip of the arm, the holder is fitted in the groove of the arm and attached. In addition, a locking mechanism is incorporated into the arm, the holder is locked so as not to come off, the leather is arranged parallel to the side of the arm, its cutting edge protrudes from the holder and arm, and the web material is slit by the cutting edge.
[0005]
In a preferred embodiment, the locking mechanism has a lever or push bar that releases its locking action, and the lever or push bar extends parallel to the side of the arm. Further, on one side of the arm, the cutting edge protrudes from the arm and the holder, and on the other side of the arm, a lever or push bar protrudes from the arm.
[0006]
Further, in a preferred embodiment, a receiving groove is formed along the side of the holder, a leather is fitted into the holder receiving groove, and the shoulder is formed in two stages in the holder receiving groove. Of the two different types of leather, one type of leather engages and is positioned on the shoulder of one stage. The other type of leather can be engaged and positioned on the shoulder of the other stage.
[0007]
Furthermore, in a preferred embodiment, a receiving groove is formed along the side of the holder, a magnet is provided in the receiving groove, and a leather is fitted into the receiving groove of the holder. Further, the plate is fitted into the receiving groove of the holder, superimposed on the leather, attracted to the magnet, and the leather is held by the plate and the magnet. Further, a leaf spring is provided on the side surface of the arm, and when the holder is fitted into the receiving groove of the arm, the leaf spring is pressed against the plate of the holder, and the holder is held by the leaf spring.
[0008]
Furthermore, in a preferred embodiment, the leaf spring has a tip made of a resin material. Then, the resin material is pressed against the plate of the holder, thereby holding the holder.
[0009]
[Explanation of Examples]
Examples of the present invention will be described below.
[0010]
FIG. 1 shows an apparatus according to the present invention. This device is a slitter leather attaching device for slitting a web material 1 such as paper or plastic film, a holder 2 is combined with an arm 3, and a receiving groove 4 is formed along a side surface 5 of the arm 3. The groove 4 reaches the tip 6 of the arm 3. The holder 2 is of a cartridge type and has a flat plate shape corresponding to the receiving groove 4. Leather 7a, 7b is held by the holder 2, and at the tip 6 of the arm 3, the holder 2 is fitted into the receiving groove 4 of the arm 3 and attached, and the leather 7a, 7b is arranged parallel to the side surface of the arm 3. The blade edge 8 protrudes from the holder 2 and the arm 3. Therefore, for example, when the web material 1 is fed along the outer peripheral surface of the roller 9 and the arm 3 is disposed in a direction parallel to the feed direction X of the web material 1, the leathers 7a and 7b are parallel to the feed direction X of the web material 1. The web material 1 can be slit by the cutting edge 8. The holder 2 has a handle 10 for operating it.
[0011]
Regarding the relationship between the holder 2 and the leather 7a, 7b, as shown in FIG. 2, a receiving groove 11 is formed along the side surface of the holder 2, and a magnet 12 is provided in the receiving groove 11, and the leather 7a, 7b. Is inserted into the receiving groove 11 of the holder 2. The leathers 7a and 7b are made of metal or nonmagnetic material. Furthermore, after that, the plate 13 is fitted in the receiving groove 11 of the holder 2. The plate 13 is made of metal, is superimposed on the leathers 7 a and 7 b, and is attracted to the magnet 12. Therefore, the leathers 7 a and 7 b are held by the plate 13 and the magnet 12. Further, as shown in FIGS. 3 and 4, a leaf spring 15 is provided on the side surface 5 of the arm 3, the leaf spring 15 is attached by a bolt 14, and the holder 2 is fitted in the receiving groove 4 of the arm 3. At this time, the leaf spring 15 is pressed against the plate 13 of the holder 2, and the holder 2 is held by the leaf spring 15.
[0012]
Furthermore, in the receiving groove 11 of the holder 2, the shoulder portions 16a and 16b are formed in two stages, and one of the two types of rectangular leathers 7a and 7b having different lengths L and heights H is used. Leather 7a engages and is positioned on one stage shoulder 16a. The other type of leather 7b can be engaged with the other shoulder 16b and positioned. Therefore, regardless of the length L and height H of the leathers 7 a and 7 b, the cutting edge 8 can be brought into contact with the web material 1, and the web material 1 can be slit by the cutting edge 8.
[0013]
In this apparatus, a lock mechanism is incorporated in the arm 3 and is locked so that the holder 2 cannot be removed. The locking mechanism has a lever 17 for releasing the locking action, and the lever 17 extends parallel to the side surface 5 of the arm 3. The direction is the width direction of the arm 3. Further, a pin 18 is provided on the arm 3 and penetrates the lever 17, and the lever 17 can swing around the pin 18. Further, as shown in FIG. 5, the pawl 19 is formed on the lever 17, and the accommodation groove 20 is formed on the holder 2, and as shown in FIG. 6, the compression spring 21 is provided on the arm 3, and the compression spring The lever 17 is elastically biased by 21. Therefore, when the holder 2 is fitted in the receiving groove 4 of the arm 3, first, the pawl 19 is pushed by the holder 2, and the lever 17 swings around the pin 18. Thereafter, the receiving groove 20 reaches the position of the pawl 19, the lever 17 is pushed by the compression spring 21 and swings, and the pawl 19 is fitted into the receiving groove 20 and received. Therefore, the holder 2 is locked by the pawl 19, and the holder 2 cannot be removed from the arm 3. Further, in this apparatus, the leathers 7 a and 7 b are arranged in parallel to the side surface 5 of the arm 3, and the cutting edge 8 protrudes from the holder 2 and the arm 3 on one side of the arm 3. The lever 17 protrudes from the arm 3 on the other side of the arm 3. Therefore, the lever 17 can be operated and swung on the opposite side of the blade edge 8, and the pawl 19 can be removed from the receiving groove 20, and the locking action can be released by the lever 17.
[0014]
The arm 3 can swing around the support shaft 22 and can be fixed at an arbitrary angular position. The arm 3 can also be removed from the support shaft 22. Further, in this embodiment, a flat surface 23 is formed on one side of the arm 3, and after the arm 3 is removed, the flat surface 23 is brought into contact with the floor surface, and the arm 3 is kept upright and stored in a stable state. be able to. Further, the flat surface 23 extends parallel to the leathers 7 a and 7 b, and the leathers 7 a and 7 b are located slightly inside the flat surface 23. Therefore, the flat surface 23 can be brought into contact with the floor surface while the holder 2 is fitted, and the arm 3 can be kept upright and stored in that state. Further, the arm 3 has a receiving surface 24 adjacent to the leaf spring 15, and the receiving surface 24 is formed in the same plane as the side surface 5. Therefore, when storing the plurality of arms 3, they can be sequentially arranged so that the side surface 5 and the receiving surface 24 are in contact with the adjacent arm.
[0015]
When the web material 1 is slit by this apparatus, the holders 2 are usually fitted in the plurality of arms 3, and each arm 3 is attached to the support shaft 22 and fixed. Accordingly, the plurality of leathers 7 a and 7 b are arranged in parallel to the feed direction X of the web material 1, the blade edge 8 contacts the web material 1, and the web material 1 is slit by the blade edge 8. When slitting, the reaction force is generated in the leathers 7a and 7b, and the shoulder portions 16a and 17b receive the reaction force of the leathers 7a and 7b in the receiving groove 11 of the holder 2. Further, the reaction force is transmitted to the holder 2, and the pawl 19 receives the reaction force of the holder 2, and this is transmitted to the arm 3. Therefore, the reaction force of the leathers 7a and 7b can be accurately supported, and the web material 1 can be accurately slit.
[0016]
Further, in the case of this device, it is necessary to replace the leather 7a, 7b with a new leather every time the leather 7a, 7b is broken or worn. When the holder 2 is pulled by the handle 10 at the tip 6 of the arm 3, it can be pulled out from the arm 3. Therefore, after that, the plate 13 can be removed from the holder 2 and the leathers 7a and 7b can be replaced with new leathers. Thereafter, the plate 13 is attached again, and at the tip 6 of the arm 3, the holder 2 is fitted into the receiving groove 4 of the arm 3, attached, and locked by the pawl 19. As in the prior art, it is not necessary to remove and reattach the leathers 7a and 7b from the arm 3 at the installation position of the arm 3, and the operation is easy and safe. When it is required to replace the leather 7a, 7b with the web material 1, the operation is the same, easy and safe.
[0017]
Further, the lever 17 of this device can be operated and swung on the opposite side of the blade edge 8 to release the locking action by the lever 17, and the operation is hindered by the blade edge 8 and the web material 1. It is not preferable. Even if a plurality of arms 3 are attached to the support shaft 22 and brought into close contact with each other, the locking action can be released by the lever 17, and the holder 2 can be pulled out from the arm 3, and the leathers 7a and 7b can be replaced with new leathers. it can. Furthermore, in the two types of leathers 7a and 7b having different lengths L and heights H, any one can be selected depending on the web material 1, and the web material 1 can be slit by the cutting edge 8.
[0018]
FIG. 7 shows another embodiment. In this embodiment, the locking mechanism has a push bar 25 that releases the locking action, and the push bar 25 extends parallel to the side surface 5 of the arm 3. The direction is the length direction of the arm 3. Further, when the pin 26 is incorporated into the arm 3, the pin 26 is elastically biased by the compression spring 27, and the accommodation groove 28 is formed in the holder 2, and the holder 2 is fitted into the receiving groove 4 of the arm 3. The pin 26 faces the housing groove 28 of the holder 2. Further, an inclined groove 29 is formed in the push bar 25, the push bar 25 is elastically biased by the compression spring 30, the pin 26 is pushed by the inclined groove 29, and the pin 26 is fitted into the receiving groove 28 of the holder 2. . As a result, the holder 2 is locked. Further, the leathers 7a and 7b are arranged in parallel with the side surface 5 of the arm 3, and on one side of the arm 3, the cutting edge 8 protrudes from the holder 2 and the arm 3, and on the other side of the arm 3 like the lever 17 in FIG. The push bar 25 protrudes from the arm 3. Its position is adjacent to the tip 6 of the arm 3. Accordingly, the push bar 25 can be operated and pushed at the tip 6 of the arm 3 on the side opposite to the blade edge 8, the compression spring 27 is applied to the pin 26, the pin 26 is pulled out of the receiving groove 28 of the holder 2, and pushed. It can be accommodated in the inclined groove 29 of the bar 25. Therefore, the lock action can be released by the push bar 25.
[0019]
FIG. 8 also shows another embodiment. In this embodiment, the locking mechanism has a lever 31 for releasing the locking action. Like the push bar 25 in FIG. 7, the lever 31 extends parallel to the side surface 5 of the arm 3, and its direction is the length of the arm 3. Direction. Further, a pin 32 is provided on the arm 3 and penetrates the lever 31, and the lever 31 can swing around the pin 32. Further, a pin 33 is incorporated in the arm 3 and penetrates the lever 31. A flange 34 is formed on the pin 33 on both sides of the lever 31, and the lever 31 and the pin 33 are combined by the flange 34. 2, the lever 31 is elastically biased by the compression spring 36, the pin 33 is pushed by the lever 31 and the flange 34, and the pin 33 is fitted in the receiving groove 35 of the holder 2. As a result, the holder 2 is locked. Further, the leathers 7a and 7b are arranged in parallel to the side surface 5 of the arm 3, and on one side of the arm 3, the cutting edge 8 protrudes from the holder 2 and the arm 3, and the other side of the arm 3 is the same as the push bar 25 in FIG. The lever 31 protrudes from the arm 3. Its position is adjacent to the tip 6 of the arm 3. Therefore, when the lever 31 is pushed at the tip 6 of the arm 3 on the opposite side of the cutting edge 8, the lever 31 swings around the pin 32, and the pin 33 is pulled by the lever 31 and the flange 34. It is pulled out of the groove 35. Therefore, the locking action of the locking mechanism can be released by the lever 31.
[0020]
Further, in the embodiment of FIG. 8, the holder 2 is held by the leaf spring 15 as in the embodiment of FIG. 1, but the leaf spring has a tip made of a resin material 37. The resin material 37 has a rod shape and extends in the length direction of the arm 3. Then, the resin material 37 is pressed against the plate 13 of the holder 2, thereby holding the holder 2. Therefore, when the holder 2 is fitted into the receiving groove 4 of the arm 3, as shown in FIG. 9, the resin material 37 is pressed against the plate 13 of the holder 2, both slide relative to each other, and the holder 2 is pulled out from the arm 3. When the resin material 37 and the plate 13 slide again, unlike the metal, the resin material 37 is smooth. Therefore, the plate 13 is not worn. Even if worn, it is negligible and its life is long.
[0021]
In addition, instead of the rectangular leathers 7a and 7b, a round blade may be attached to an appropriate position of the arm, and the web material may be slit by the round blade, but the arm 3 of each embodiment is removed from the support shaft 22. It is possible to do as described above. Therefore, it is also possible to attach a round blade to an appropriate position of the arm, support it on the support shaft 22, and slit the web material by the round blade. Similarly to the flat surface 23 of the arm 3 in each embodiment, an arm with a round blade is formed with a flat surface on one side of the arm, and the round blade is positioned slightly inside the flat surface. While attached, the flat surface can be brought into contact with the floor surface, and the arm can be kept upright and stored in that state.
[0022]
【The invention's effect】
As described above, according to the present invention, the holder 2 can be pulled out from the arm 3, and then the leather 7a, 7b can be replaced by the holder 2, and the operation is easy, safe, and desired. The objective can be achieved.
[Brief description of the drawings]
FIG. 1 is a side view showing an embodiment of the present invention.
FIG. 2 is an explanatory view showing a relationship between a leather and a holder in FIG. 1;
FIG. 3 is a front view of the apparatus of FIG. 1;
FIG. 4 is a bottom view of the apparatus of FIG.
5 is a cross-sectional view of the apparatus of FIG. 1 along AA.
6 is a cross-sectional view of the device of FIG. 1 taken along the line BB.
FIG. 7 is a side view showing another embodiment.
FIG. 8 is a side view showing another embodiment.
9 is a bottom view of the apparatus of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Web material 2 Holder 3 Arm 4 Receptacle groove 5 Side surface 6 Tip 7a, 7b Leather 8 Cutting edge 11 Receptacle groove 16a, 16b Shoulder part 17, 31 Lever 25 Push bar 37 Resin material

Claims (2)

A groove formed along the side of the arm and reaching the tip of the arm;
A cartridge-type holder that has a flat shape of a size corresponding to the receiving groove, holds a leather, is fitted into the receiving groove at the tip of the arm, and is attached.
It is built into the arm and consists of a locking mechanism that locks the holder so that it does not come off,
The leather is arranged parallel to the side of the arm, the cutting edge protrudes from the holder and the arm, and the web material is slit by the cutting edge ;
The locking mechanism has a lever or push bar for releasing the locking action, the lever or push bar extends in parallel with the side surface of the arm, and on one side of the arm, the cutting edge protrudes from the arm and the holder, The slitter leather attaching device , wherein the lever or push bar protrudes from the arm on the other side of the arm . A groove formed along the side of the arm and reaching the tip of the arm;
A cartridge-type holder that has a flat shape corresponding to the receiving groove, holds a leather, is fitted into the receiving groove at the tip of the arm, and is attached.
It is built into the arm and consists of a lock mechanism that locks the holder so that it cannot be pulled out,
The leather is arranged parallel to the side of the arm, the cutting edge protrudes from the holder and the arm, and the web material is slit by the cutting edge;
A receiving groove is formed along a side surface of the holder, the leather is fitted into the receiving groove of the holder, and a shoulder portion is formed in two stages in the receiving groove of the holder, and the length and the height are different. Of two types of leather, one type of leather can be engaged and positioned on the shoulder of one stage, and the other type of leather can be engaged and positioned on the shoulder of the other stage A slitter leather mounting device, characterized in that it can also be used.

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