JP4349983B2 - Throwaway tool storage case - Google Patents

Description

  The present invention relates to a throw-away tool storage case for storing a throw-away tool.

  2. Description of the Related Art Throw-away tools that perform cutting by attaching a throw-away tool (hereinafter referred to as a tool) to a tool holder are widely used. In such a throw-away type tool, since the cutting edge portion of the tool is replaced with a new tool at the end of its life, a plurality of tool tips are generally sold in units.

Conventionally, as this type of storage case, for example, a box-shaped plastic storage case having ten rectangular storage spaces partitioned by a grid-like inner frame as in Patent Documents 1 and 2 is generally used ( One tool was stored in this rectangular storage part one by one. Patent Document 1 discloses a method for storing a tool in a state where there is no gap by filling a storage space with a sponge having a shape that is the same as the shape of the tool.
Registered Utility Model No. 3005108 JP-A-9-132240

  However, in the method of storing the tool in the rectangular storage part of the plastic case as described above, as shown in FIG. 5, the tool moves around in the storage part when the case storing the tool is handled or transported. It collided with the inner frame and outer wall of the case. For this reason, there is a risk that chipping or chipping may occur in the cutting edge portion of the tool, or foreign matters such as plastic may adhere to the cutting edge portion. In some cases, the cutting edge of the tool may damage the wall surface of the storage case made of plastic so that the tool is not easily removed from the case. Further, there is a problem that noise is generated when the tool collides with the plastic case.

  Further, in the method of storing a tool by filling a storage space with a die-cut sponge having the same shape as that of the tool of Patent Document 1, it is necessary to mold the sponge for each tool shape. It was uneconomical when handling different tools.

  The present invention solves the above-mentioned problems, and an object of the present invention is to provide an economical throw-away tool storage case that can reliably protect the cutting edge portion of the throw-away tool and suppress the generation of noise. It is in.

  This inventor invented that the said subject can be eliminated by setting it as the throwaway tool storage case which consists of the following structures.

  That is, in the throwaway tool storage case of the present invention, the position where the throwaway tool is stored is punched in the case base, and the cut is further formed at the position where the cutting edge portion of the throwaway tool is stored. The throwaway tool is inserted such that a cushioning material having a storage space is inserted, and the cutting blade portion is embedded in the notch of the cushioning material so that the cutting blade portion of the throwaway tool is sandwiched between the cushioning materials. Is stored in the storage position.

  Here, the case base is made of hard plastic, and the cushioning material is made of foamed plastic or foamed rubber, in terms of strength of the storage case, shock absorbing capacity of the cushioning material, lightness, shape retention, and cost. desirable.

  Note that it is desirable to fix the throw-away tool at two or more cuts in the cushioning material in order to fix the throw-away tool more stably.

  In the storage space for the throw-away tool, there is a gap between a part of the outer peripheral surface of the throw-away tool and the die-cut inner wall surface when the throw-away tool is stored. It is desirable in that the throwaway tool can be easily taken out by putting a finger or a nail into the gap.

  Furthermore, a plurality of the storage spaces are formed in one cushioning material, and the plurality of throwaway tools can be accommodated, so that the number of cushioning materials to be inserted into the case base can be reduced and the cushioning material. It is desirable in that it can be made large and easy to handle, and the labor of product packaging can be reduced.

  In addition, when the throwaway tool is stored, the number of tool shapes applicable to the shape of the cushioning material 1 can be used if the cutting of the cushioning material can be expanded by the cutting edge portion of the throwaway tool. Is more economical.

  Furthermore, it is easier to take out the tool by embedding and storing the throw-away tool in the cushioning material so that the upper surface of the throw-away tool is the same as or protruding from the upper surface of the cushioning material. This is desirable in terms of enabling it.

  According to the above throwaway tool storage case of the present invention, the cutting edge portion of the tool is stored so as to be sandwiched between the cushioning materials. Adherence of foreign matter and generation of noise can be prevented. In addition, it is economical because a plurality of types of tool shapes can be stored in the same cushioning material.

  In addition, if the cutting of the buffer material can be cut and expanded by the cutting edge portion of the tool when the tool is stored, one type of buffer material shape can be applied to more types of tool shapes.

  Furthermore, the throw-away tool is fixed with the cushioning material, and the throw-away tool can be reliably held even if it is handled in a complicated manner such as turning the case upside down.

  A throwaway tool storage case according to the present invention will be described with reference to FIGS.

  1 is a schematic plan view showing an example of a throwaway tool storage case (hereinafter simply referred to as a storage case), and FIG. 2 is a schematic plan view showing a state in which the throwaway tool is stored in the storage case of FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2, and FIG. 4 is a schematic cross-sectional view showing another embodiment of the present invention.

  According to FIG. 1, the storage case 1 is made of foamed plastic or foamed rubber in a case base 2 made of hard plastic, and the position for storing the throw-away tool 3 (hereinafter abbreviated as a tool) is punched out. In addition, a cushioning material 8 having a storage space 7 in which a cut 6 is further formed is inserted at a position for storing the cutting blade portion 5 of the tool 3.

  Then, as shown in FIG. 2, which is a schematic plan view showing a state where the tool 3 is stored in the storage case 1 of FIG. 1, the cutting edge portion 5 of the tool 3 is sandwiched between the notches 6 of the cushioning material 8. The tool 3 is accommodated in the accommodating space 7 so that the cutting edge portion 5 is embedded in the notch 6 of the cushioning material 8.

  According to the above configuration, since the cutting edge portion 5 of the tool 3 is housed and fixed so as to be sandwiched by the cushioning material 8 made of foamed rubber or foamed plastic, the tool 3 and the plastic case base 2 collide with each other. It is possible to prevent the cutting edge portion 5 from being lost, foreign matter adhering, and noise.

  Even if the shape of the tool 3 changes, it is economical because a plurality of types of shapes can be stored in the same cushioning material 8. Further, the tool 3 is fixed by the cushioning material 8, and the tool 3 can be reliably held even if it is handled in a complicated manner such as turning the storage case 1 upside down.

  If the cutting 6 of the cushioning material 8 can be expanded by the cutting blade portion 5 of the tool 3 when the tool 3 is stored, one type of cushioning material 8 shape can be applied to more various types of tools 3 shapes.

  Here, it is desirable that the cuts 6 are formed at a plurality of locations in the storage space 7 in order to fix the tool 3 more stably. Further, the notch 6 may be simply formed by cutting the cushioning material 8 into a linear shape, but it has a V-groove shape as shown in FIG. 1 in that a large size tool 3 can be accommodated. May be. Further, the cut 6 may be formed so as to penetrate the thickness direction of the buffer material 8, but the cut 6 may be formed from the upper surface of the buffer material 8 to the middle, and thus the cut 6. It is also possible to store the tool 1 in a state of being suspended from the lower surface of the storage case 1 by adopting a configuration in which is stopped halfway through the cushioning material 8.

  Further, in the storage space 7 of the tool 3, when the tool 3 is stored, there is a gap 12 between a part of the outer peripheral surface 10 of the tool 3 and the inner wall surface 11 of the punched cushioning material 8. It is desirable in that the tool 3 can be easily taken out by inserting a finger or a nail into the gap 12.

  Further, as shown in FIG. 3 which is a cross-sectional view taken along the line A-A of FIG. 2, the tool 3 is embedded so that the height of the upper surface 3a of the tool 3 is equal to or protrudes from the height of the upper surface 8a of the cushioning material 8. Is preferably stored in the cushioning material 8 because it can be easily taken out when the tool 3 is taken out of the storage case 1.

  The storage case is preferably made of hard plastic in terms of strength, lightness, shape retention, and cost. Especially, polypropylene (PP), polyethylene terephthalate (PET), etc. are excellent in recyclability. Therefore, it can be suitably used even in consideration of the above points. On the other hand, the buffer material is preferably made of foamed plastic or foamed rubber in terms of impact absorption, lightness, shape retention, and cost, and among them, urethane foam, foamed polystyrene, foamed polystyrene, etc. can be suitably used. .

  Further, the case base 2 is formed of a box body of a case main body 13 and a slidable lid 14a, and is provided with a protrusion 16 that serves as a latch when the storage cases 1 are stacked on the bottom surface of the case main body 13. The present invention can also be suitably applied.

  According to FIG. 1, the case base 2 includes a case main body 13 and a lid 14, and only one middle frame 17 is provided in the longitudinal direction in the case main body 13. The middle frame 17 also functions as a reinforcing material for the case body 13. Further, according to the present invention, the intermediate frame 17 may be provided in a lattice shape so as to partition the storage portion of each tool 3 as in the conventional storage case, but in order to save the trouble of fitting the cushioning material 8 Preferably, there is a portion where the middle frame 13 is not provided between adjacent tool storage positions.

  That is, a plurality of storage spaces 7 are formed in one cushioning material 3 and a plurality of tools 3 can be accommodated, so that the number of cushioning materials 8 inserted in the case base 2 can be reduced and the cushioning material. 8 is desirable in that it can be made large and easy to handle.

  When the tool 2 has a shape having a screw hole 18 in the center, as shown in a schematic cross-sectional view showing another embodiment of FIG. It is also possible to store the pin 19 so as to penetrate the screw hole 18. According to this method, the tool 3 is more difficult to move, and the protection effect and noise prevention effect of the cutting edge portion 5 of the tool 3 are further enhanced. However, from the viewpoint of workability when the tool 3 is taken out from the storage case 1, it is possible to secure a wider space between the outer peripheral surface of the tool 3 and the inner wall surface of the deformable cushioning material 8 if the pins 19 are not provided. Therefore, it is desirable because the tool 3 can be easily taken out. Also, from the viewpoint of workability when the tool 3 is stored in the storage case 1, it is easier to store the tool 19 by not inserting the pin 19 and pushing the cutting blade portion 5 together with the notch 6 without worrying about the pin 19. So desirable.

  In the storage case 1 configured as described above, the buffer material 8 is inserted into the case body 13, and then the tools 3 are placed one by one in each storage space 7 of the buffer material 8. And the inside of the case main body 13 is sealed by mounting | wearing, sliding the cover 14a. Furthermore, it completes by sticking a label (not shown) so that it may cover both the case main body 13 and the lid | cover 14 if desired.

  1 and 2 exemplify a so-called throw-away tip having a polygonal main surface as the tool 3, but the present invention is not limited to this, and a drill, an end mill, a boring bar, etc. The present invention can also be suitably applied to a tool having a rod-like portion, a grooving tool having a substantially rectangular parallelepiped shape, and the like.

It is a schematic plan view of a storage case for a throwaway tool showing an embodiment of the present invention. It is a schematic plan view which shows the state which accommodated the throw-away tool in the storage case for throw-away tools of FIG. It is AA sectional drawing of FIG. It is a schematic sectional drawing which shows the other embodiment of the storage case for throwaway tools of this invention. It is a schematic plan view which shows the state which accommodated the throwaway tool in the conventional storage case for throwaway tools.

Explanation of symbols

1 Throwaway tool storage case (storage case)
2 Case base 3 Throw away tool (tool)
3a Upper surface of tool 4 Die cutting part 5 Cutting edge part 6 Cutting 7 Storage space 8 Buffer material 8a Upper surface of buffer material 9 Storage position 10 Outer peripheral surface of tool 11 Inner wall surface 12 of buffer material 13 Case body 14 Lid 14a Sliding type Lid 16 Protrusion 17 Middle frame 18 Screw hole 19 Pin

Claims (7)

In the case base, a buffer material having a storage space in which a position for storing the throw-away tool is cut and a cut is formed at a position for storing the cutting edge portion of the throw-away tool is inserted, A throw-away tool storage case for storing the throw-away tool in the storage space by embedding the cutting edge portion in the notch of the cushioning material so that the cutting blade portion of the throw-away tool is sandwiched between the cushioning materials. . The throwaway tool storage case according to claim 1, wherein the case base is made of hard plastic, and the cushioning material is made of foamed plastic or foamed rubber. The storage case for the throw-away tool according to claim 1 or 2, wherein the throw-away tool is fixed at two or more cuts in the cushioning material. The clearance space exists between a part of the outer peripheral surface of the throwaway tool and the inner wall surface of the punched cushioning material when the throwaway tool is stored in the storage space of the throwaway tool. The storage case for the throw-away tool according to any one of 1 to 3. The throwaway tool storage case according to any one of claims 1 to 4, wherein a plurality of the storage spaces are formed in one cushioning material, and a plurality of the throwaway tools can be stored. The storage case for the throw-away tool according to any one of claims 1 to 5, wherein when the throw-away tool is stored, the incision of the cushioning material can be expanded by a cutting blade portion of the throw-away tool. The said throwaway tool is embedded and accommodated in the said buffer material so that the upper surface height of the said throwaway tool may be the same as the upper surface height of the said buffer material, or the state which protruded. Storage case for throwaway tools.

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