KR20010020027A - A shock absorbing material for an edge &its cutting device - Google Patents

Abstract

PURPOSE: A corner buffering member and a cutting apparatus therefor are provided to reduce manufacturing costs and improve productivity while allowing the buffering member to be easily coupled to the corners of products like furniture or electronic appliances. CONSTITUTION: A corner buffering member(1) is formed by cutting a cylinder made up of non-crosslinked foam where a solvent type foam agent is added to low density polyethylene. The corner buffering member includes contact surfaces(3) having an angle of 45 degrees with a uniform spacing of 120 degrees, so as to form triangular pyramid insertion portions(2). Each of contact surfaces constituting the triangular pyramid of the insertion portion has an internal angle of 90 degrees. The triangular pyramid insertion portion of the corner buffering member has a triangular pyramid protrusion(4) to be inserted into the triangular pyramid insertion portion.

Description

Shock absorbing material for an edge & its cutting device

The present invention relates to a cushioning member mainly used to be inserted into the corner of the product (furniture, electronics, glass box, etc.) that is a hexahedral shape, and more particularly, at the same time it is easy to combine while at the same time to achieve cost reduction and productivity improvement effect It is an object of the present invention to provide a cutting device capable of providing a good cushioning member and a buffering member.

Conventionally used cushioning members are mainly used sponges made of foam, such a conventional cushioning member requires a second operation to attach to the product. That is, the conventional cushioning member undergoes a process of cutting to a predetermined size to protect various products (electronics, furniture, etc.), and then, by applying an adhesive or the like on one surface of the cushioning member to attach the cushioning member to the wrapping paper of various products, etc. The buffer member is attached to the product.

It was very difficult to protect the edge of the furniture, such as a plate by using the buffer member as described above.

Therefore, in the present invention, it is possible to obtain a cost reduction and productivity improvement effect compared to the existing buffer member as described above, and can be used by attaching to an object without applying an adhesive, while maximizing the buffering effect, and after separation from the object, The present invention has been completed with a technical problem in providing a shock absorbing member that can be reused for impact prevention by fitting into corners of furniture, electronic products, etc. in a kindergarten.

1 is a perspective view of a buffer member showing a preferred embodiment of the present invention

2 is a cross-sectional view of FIG.

Figure 3 is a side view of the buffer member of the present invention nested

Figure 4 is a perspective view of the use state of the present invention buffer member

Figure 5 is a side configuration diagram showing a cutting device operating state of the first embodiment of the present invention

6 is a cylinder operating state diagram of the first embodiment;

Figure 7 is a side configuration view showing a cutting device operating state of the second embodiment of the present invention

Figure 8 is a side configuration view showing a cutting device operating state of the third embodiment of the present invention

9 is a side configuration diagram showing a cutting device operating state of the fourth embodiment of the present invention;

10 is a cutting device operating state using three cutting blades as a fifth embodiment of the present invention

11 is a side configuration diagram showing a cutting device operating state of the seventh embodiment of the present invention;

12 is a side configuration view showing a cutting device operating state of the eighth embodiment of the present invention;

Figure 13 is a cross-sectional view showing a state incompletely cut on the center of the buffer member with each cutting device of the present invention.

Figure 14 is a perspective view of the triangular cutting blade of the present invention

Figure 15 is a perspective view of the straight cutting blade of the present invention

■ Explanation of the major symbols used in the main parts of the drawings ■

1: cushioning member 2: fitting part

3: contact surface 4: protrusion

P: Cabinet

10: cutting blade 20: pneumatic cylinder or mechanism

30,120: guide rail 40,110: transfer means

50,130: means of rotation 140: means of pinching

1 is a perspective view showing a preferred embodiment of the present invention, Figure 2 is a cross-sectional view of the present invention, Figure 3 shows a perspective view of the use state of the present invention, through which the buffer for the corner provided in the present invention It is as follows.

The corner buffer member 1 of the present invention is a non-crosslinked foam obtained by adding an appropriate amount of a solvent blowing agent (liquefied propane, butane gas) to a low density polyethylene (LDPE) and passing it through a molding machine and a mold. It is possible to obtain a shock absorbing member 1 having a predetermined shape and cross section as shown in Figs. 1 and 2 by cutting the cylinder to an appropriate size. The configuration is as follows.

The shock absorbing member 1 is configured to be placed at the corners of all products having a hexahedron structure to protect the product by maintaining a predetermined space between the wrapping paper and the product covered on the outside.

That is, the buffer member 1 of the present invention has a cylindrical shape and on one side forms a contact surface 3 having a 45 ° angle from the horizontal at equal intervals of 120 ° to form a triangular pyramid-like fitting portion 2, and each contact surface 3 constituting a triangular pyramid. The interior angle of P is to be 90 °, the other side is configured to form a triangular pyramid-shaped protrusion 4 that can be fitted to the fitting portion 2.

As shown in FIG. 4, the cushioning member 1 is formed by inserting the cutting blade 20 into a cylindrical body (hereinafter referred to as cutting) by cutting the cutting edge 20 into a 45 ° tilt from the horizontal to cut the buffering member 1 of the present invention. As a thing which can be formed, it can divide roughly by the following method.

1. Classification according to the number of cutting blades used

① Use one number of cutting blades.

② Use three number of cutting blades.

③ Use three or more cutting blades.

2. Classification according to the shape of cutting blade

① The shape of the cutting blade is a right triangle.

② The cutting blade is straight.

3. Classification according to moving object

① How to cut the cutting by moving a certain width.

② How to fix the cutting and move the cutting blade by a certain width to cut.

③ How to cut the cutting by rotating the cutting by 120 ° by moving the cutting blade or elastic body by a certain width.

④ Rotate the cutting blade by 120 °, and move the elastic body or blade by a certain width to cut it.

The present invention will be described in more detail through the accompanying drawings as forming the buffer member 1 by cutting the cut 100 through the various methods as described above.

-Example of using one cutting blade

<First Embodiment>

5 and 6 show that the cutting blade 10 is cut using the cutting blade 10 having a right triangle in the shape of the cutting blade 10 so that the cutting blade 10 is maintained in the longitudinal direction and 45 ° as shown in FIG. It can be operated by a pneumatic cylinder or a mechanical device 20 so as to reciprocate from the surface of the cutting 100 to the center. At this time, the cutting object 100 is sandwiched by the rotating means 130 which is conveyed by the conveying means 110 moving along the guide rail 120 and rotated by a driving force such as a motor, and the rotating means 130 is divided three times by 120 ° and rotates the rotating means. When the means 130 is rotated in three stages, the conveying means 110 is configured to move at a predetermined width (thickness of the buffer member). The drive is automatically controlled by a controller (not shown).

Second Embodiment

As shown in FIG. 7, the cutting blade 10 is positioned as in the first embodiment, but the cutting 100 is firmly fixed to the clamping means 140. The outer periphery of the pneumatic cylinder or the mechanical device 20 for operating the cutting blade 10 described above is connected to the rotating means 50 which is conveyed by the conveying means 40 moving along the guide rail 30 and rotated by a driving force such as a motor. The means 50 are rotated three times by 120 ° and the conveying means 40 is configured to move at a predetermined width (thickness of the buffer member) when the rotating means 50 is rotated in three steps. The drive is automatically controlled by a controller (not shown).

Third Embodiment

As shown in FIG. 8, a pneumatic cylinder or a mechanical device 20 for operating the cutting blade 10 is hypothesized to the conveying means 40 so as to be moved by a predetermined width along the guide rail 30. And the cutting 100 is sandwiched by the rotating means 130 is configured to rotate three steps by 120 °.

Fourth Example

As shown in FIG. 9, the rotating means 50 is installed on the outer circumference of the hydraulic pneumatic cylinder or the mechanical device 20 for operating the cutting blade 10, and the cutting blade 10 is divided three times by 120 ° by the rotating means 50. It is sandwiched by the holding means 140 to be moved by a predetermined width by the conveying means 110 moving along the guide rail 120.

-Example of using 3 cutting blades

Fifth Embodiment

As shown in FIG. 10, the cutting blade 10 is cut in the shape of the cutting blade 100 by using three cutting blades having a right triangle. The cutting blade 10 is maintained in the longitudinal direction and 45 ° as shown in FIG. 5. If possible, it can be operated by a pneumatic cylinder or a mechanical device 20 so as to reciprocate from the surface of the cutting 100 to the center. At this time, the cutting 100 is to be moved to a predetermined width along the guide rail 120 in a state sandwiched by the conveying means 110.

Sixth Embodiment

As shown in the fifth embodiment, the cutting blade 10 is positioned, but the cutting blade 10 is installed so that the cutting means 100 fixed to the clamping means 140 is moved by a predetermined width by installing the transfer means 40 positioned at the outer circumference.

Seventh Example

As shown in FIG. 11, this is provided by cutting a plurality of cutting blades 10 in a plurality of widths or more by a plurality of hydraulic pneumatic cylinders or a mechanical device 20, and fixedly installed, and the cuttings 100 are sandwiched by the rotating means 130. The three-stage rotation by dividing by 120 ° is configured to cut and mold multiple buffer members 1 of the invention at the same time.

Eighth Embodiment

As shown in FIG. 12, this is connected to the rotating means 50 by connecting the outer periphery of the pneumatic cylinder or the mechanical device 20 for operating the cutting blade 10 having a plurality of cutting blades 10 installed in a plurality of widths. Is rotated three times by 120 °.

<Example 9>

In the eighth and ninth embodiments, three or more cutting blades 10 may be installed in plural or more in a plurality of widths to be operated by a pneumatic cylinder or a mechanical device 20 and reciprocate from the surface of the cutting object 100 to the center. It is installed so as to cut the cutting 100 is fixed by the clamping means 140 to cut several molding members 1 at the same time to cut molding.

In various embodiments as described above, the cutting blade 10 is reciprocated by a pneumatic cylinder or a mechanical device 20 to the center of the cutting 100 to make a complete cutting, but when cutting the cutting 100 as shown in FIG. Incomplete cutting of the center portion of the water 100 may facilitate transport or storage.

In the above embodiment of the present invention, two kinds of cutting blades 10 and 10 'are used, as shown in FIGS.

First, the cutting blade 10 shown in FIG. 14 is a configuration in which an inner angle of the cutting portion is formed at a right angle and rearwards a coupling sphere 11 which can be connected to a hydraulic cylinder or a mechanical device 20.

And the cutting blade 10 'shown in Figure 15 is a configuration in which the cutting portion is formed in a straight shape, the rear is formed with a coupler 11' that can be connected to the hydraulic cylinder or the mechanical device 20.

The present invention having the configuration as described above is to secure the object 200 by placing a space between the object 200 and the packaging box when the packaging box is placed in the corner of the object to be protected as shown in FIG. .

That is, the present invention by placing the cushioning member 1 on each corner of the object 200 and covering the packaging box to secure each corner of the object 200 to be transported to protect the object 200 when transporting to the destination. In addition, the buffer member 1 of the present invention can be used regardless of the size of the object 200 consisting of a hexahedron, and after use, the buffer member 1 is attached to the corner of furniture, such as a general home, kindergarten, etc. Even if it hits, can be used as a protective measure to alleviate the impact and relieve injury.

In addition, since the shock absorbing member 1 of the present invention is configured in the same shape and can be stacked and moved as shown in FIG. 3, it is possible to move and store a large amount with a minimum space.

And various embodiments of cutting the buffer member 1 of the present invention as described above has the following action.

<First Embodiment>

5 and 6 show that the shape of the cutting blade 10 is to cut the cutting 100 using one cutting blade 10 of a right triangle,

That is, since the cutting blade 10 is maintained at 45 ° in the longitudinal direction as shown in FIG. 5, the cutting blade 10 reciprocates from the surface of the cutting object 100 to the center by the operation of the pneumatic cylinder or the mechanical device 20. At this time, the cutting object 100 is fed by the conveying means 110 moving along the guide rail 120 and sandwiched by the rotating means 130 rotated by a driving force such as a motor. Is moved. The cutting blade 10 operated by the operation of the pneumatic cylinder or the mechanical device 20 every time the cutting 100 is rotated by 120 ° is cut through the reciprocating motion to the center of the cutting 100. When one buffer member 1 is cut by performing such an operation three times, the cut 100 moves by a predetermined width by the transfer means 40, and the buffer member 1 of the present invention is cut continuously by repeating the above operation.

Second Embodiment

As shown in FIG. 7, the cutting blade 10 is positioned as in the first embodiment, but the cutting 100 is fixed to the clamping means 140 and the guide rail 30 is placed on the outer circumference of the pneumatic cylinder or the mechanical device 20 to operate the cutting blade 10 described above. Therefore, it is connected by the rotating means 50, which is conveyed by the moving means 40, and rotated by a driving force such as a motor, so as to be divided three times by 120 °.

That is, this means that the cutting blade 10 is operated once every rotation means 50 is operated once, and when such an operation is made three times, the transfer means 40 is repeatedly moved along the guide rail 30 to a predetermined width, thereby repeatedly performing the above operation. The buffer member 1 of the present invention is to be cut to be cut to the center of 100.

Third Embodiment

As shown in FIG. 8, a pneumatic cylinder or a mechanical device 20 for operating the cutting blade 10 is hypothesized to the conveying means 40 so as to be moved by a predetermined width along the guide rail 30, and the cut 100 is sandwiched by the rotating means 130. It is designed to rotate three steps by °, that is, the cutting blade 10 which is moved by the conveying means 40 causes the reciprocating motion of the cutting blade 10 to be made every time the rotation means 130 is operated, and when the rotation means 130 is operated three times. The shock absorbing member 1 is cut by causing the conveying means 40 to operate.

Fourth Example

Rotating means 50 is installed on the outer circumference of the hydraulic pneumatic cylinder or the mechanical device 20 for operating the cutting blade 10 so that the cutting blade 10 is divided three times by 120 ° by the rotating means 50, and the cutting 100 is held by the conveying means 110 for guidance. The cutting blade 10 rotated by a predetermined width along the rail 120, so that the cutting blade 10 rotated by the rotating means 50 cuts the cutting object 100 by one operation of the cutting blade 10 each time the outer peripheral edge of the rotating means 50 is rotated by 120 °. If the operation is made three times, the transfer means 110 for holding the cut 100 is moved by a predetermined width to cut the buffer member 1.

Fifth Embodiment

The three cutting blades 10 can be operated by a pneumatic cylinder or a mechanical device 20 to maintain the longitudinal direction and 45 ° as shown in FIG. 5 so as to reciprocate from the surface of the cutting object 100 to the center. It is to be moved to a predetermined width along the guide rail 120 in a state sandwiched by the conveying means 110,

In other words, this means that the cutting blade 10, which is operated by the operation of the pneumatic cylinder or the mechanical device 20, is inserted in three rooms and cuts to the center of the cutting 100 every time the cutting 100 is sandwiched by the conveying means 110 and moves once by a predetermined width. By the operation of the buffer member 1 of the present invention will be able to cut molding.

Sixth Embodiment

As shown in the fifth embodiment, the cutting blade 10 is positioned, but the cutting blade 10 is installed by the transfer means 40 positioned at the outer circumference, and moved by a predetermined width so that the cutting 100 fixed to the clamping means 140 is cut. The cutting blade 10, which is operated by the operation of the pneumatic cylinder or the mechanical device 20, is installed in three spaces when the cutting blade 10 is fixed to the transfer means while the cutting object 100 is clamped by the clamping means 14. It is cut so that the buffer member 1 of the present invention can be constructed by being cut into the center portion of the cut material 100.

As in the fifth and sixth embodiments, the cutting blade 10 can be operated in three outer peripheries of the cutting 100 in the same manner so that the buffer member 1 of the present invention can be cut and molded more effectively.

Seventh Example

One cutting blade 10 is installed in a plurality of two or more in a predetermined width and the cutting object 100 is to be pinched by the rotating means 130 to rotate, that is, one cutting blade 10 is installed in a plurality of two or more in a predetermined width to the hydraulic pressure Pneumatic cylinders installed at the surface of the cutting 100 to be reciprocated from the surface of the cutting 100 to the center, and rotated three times by 120 ° by the rotating means 130. Alternatively, the cutting blade 10 operated by the operation of the mechanical device 20 may be cut to the center of the cutting object 100 to simultaneously cut and shape several buffer members 1 of the present invention.

Eighth Embodiment

One cutting blade 10 is provided with two or more plural plural widths, and the pneumatic cylinder or the mechanical device 20 is divided three times by 120 ° by the rotation means 50, and the rotation means 50 cuts the outer periphery of the cutting object 100. The cutting blade 10 which is operated by the operation of the pneumatic cylinder or the mechanical device 20 every 120 ° rotation is cut to the center of the cutting object 100 so that several buffer members 1 of the present invention can be cut at the same time.

<Example 9>

Three or more cutting blades 10 are provided with a plurality of cutting blades 10 in a predetermined width, and the cutting object 100 is fixed with the clamping means 140. At the same time it is possible to cut and mold.

As described in the seventh, eighth and ninth embodiments as described above, when the plurality of cutting blades 10 are arranged at a predetermined width and operated simultaneously, the buffer member 1 of the present invention is more advantageous in cutting and molding, thereby improving work efficiency. It can also reduce production costs.

The buffer member 1 of the present invention having various functions as described above may be produced through various embodiments as described above in detail, and the buffer member 1 using three cutting blades 10 as in the fifth and sixth embodiments. In the production, it is possible to improve the productivity, in the case of carrying out the seventh, eighth, and ninth embodiments of the multihead type, a plurality of buffer members 1 may be cut in a single process. By keeping some of the uncut state, it can be easily transported and stored. In use, the operator pulls by hand to cut the uncut part.

As described in detail above, in the present invention, the shock absorbing member 1 is an uncrosslinked foam, and forms a contact surface 3 having a 45 ° angle horizontally at an equal interval of 120 ° on one side to form a triangular pyramid-shaped fitting part 2 on the other side. By forming a triangular pyramid-shaped protrusion 4 which can be fitted to the fitting portion 2, the fitting portion 2 can be fitted to the object to be used, and the following effects can be obtained.

1. Put the cushioning member at the edge of the object and cover the packing box even if you don't use the adhesive as before. The cushioning member is firmly combined while forming a space between the object and the packing box.

2. By continuously cutting the buffer member of the present invention in various ways as in the embodiment, it is possible to reduce the cost while improving productivity.

3. Since cushioning member is composed of non-crosslinked foam, it has excellent cushioning power, so it can protect the product safely from external force.

4. After use, it can be used as a protector to protect the body of infants by attaching it to the corner of furniture protruding from ordinary home.

The present invention, which can obtain the effect in various aspects as described above, is very useful in that various additional effects can be simultaneously obtained in addition to the above.

Claims (12)

A cylinder made of a non-crosslinked foam in which an appropriate amount of a solvent blowing agent (liquefied propane, butane gas) is added to low density polyethylene (LDPE) is cut to an appropriate size. On one side, a contact surface 3 having an angle of 45 ° from the horizontal at an equal interval of 120 ° is formed to form a triangular pyramid shaped fitting part 2, The inner angle of each contact surface 3 constituting the triangular pyramid of the fitting portion 2 is 90 °, The other end of the fitting portion 2, the shock absorbing member, characterized in that to form a triangular pyramid-shaped protrusion 3 that can be fitted to the fitting portion 2. A cutting device for cutting the buffer member 1 of claim 1, One cutting blade 10 is formed so that the inner angle moved by the pneumatic cylinder or the mechanical device 20 is formed at right angles so that the longitudinal direction of the cutting 100 is maintained at 45 ° so as to reciprocate from the surface of the cutting 100 to the center. And the cutting object 100 is to be sandwiched by the rotating means 130 which is conveyed by the conveying means 110 moving along the guide rail 120 and rotated by a driving force such as a motor, When the rotating means 130 is rotated by 120 °, the cutting blade 10 operated by the operation of the pneumatic cylinder or the mechanical device 20 is cut through the reciprocating motion to the center of the cutting object 100. Cutting device for the edge buffer member, characterized in that 110 is moved by a predetermined width. The method of claim 2, The cutting object 100 is connected to the rotating means 50, which is transported by the conveying means 40 moving along the guide rail 30 on the outer circumference of the pneumatic cylinder or the mechanical device 20 which fixes and operates the cutting blade 10 and is driven by a driving force such as a motor. So, When the rotation means 50 is operated once, the cutting blade 10 is operated once, and when such an operation is performed three times, the cutting means 100 is moved by a predetermined width along the guide rail 30, and the cutting operation 100 is repeatedly performed to cut the cutting object 100. Cutting device for the edge buffer member, characterized in that so. The method of claim 2, A cutting device for the edge buffer member, characterized in that the cutting blade 10 to be moved by a predetermined width to the transfer means 40 and the cutting 100 is divided into three steps by 120 ° by the rotating means 130. The method of claim 2, Cutting device for cutting edge 10, characterized in that the cutting blade 10 is rotated by a rotation means 50 divided by three steps three times and the cutting material 10 is moved by a predetermined width by the transfer means 110. The method of claim 2, By installing three cutting blades 10 moved by a pneumatic cylinder or a mechanical device 20 to reciprocate from the surface of the cutting to the center and to move the cutting 100 by a predetermined width by the conveying means 110, The cutting device for the edge buffer member, characterized in that the three cutting blades 10 are simultaneously or sequentially cut to the center of the cutting object 100 by the operation of the pneumatic cylinder or the mechanical device 20 each time the cutting object 100 is moved. The method of claim 6, Cutting device 100 is a cutting device of the edge buffer member, characterized in that fixed to the holding means 140 and the cutting blade 10 is moved by a predetermined width to the transfer means 40. The method according to claim 2 or 6, Cutting device for the edge buffer member, characterized in that the cutting blade 10 'is formed in a straight shape. The method according to claim 2 or 6, Cutting device for the edge buffer member characterized in that the cutting blade 10 moved by the cylinder or the mechanical device 20 is cut to the extent close to the center of the cutting object 100 so that the buffer member 1 is incompletely cut. The method of claim 2, A single pneumatic pneumatic cylinder or a mechanical device 20 for installing a plurality of cutting blades 10 at a predetermined width and simultaneously operating the cutting blades 10 is divided by 120 ° by rotating means 50 so as to be rotated in three steps. Cutting device for the edge buffer member, characterized in that for cutting the cut 100 to be fixed. The method of claim 2, One cutting blade 10 is installed in two or more plural pieces with a predetermined width to be operated simultaneously by a hydraulic cylinder or a mechanical device 20, and the cutting 100 is divided three times by 120 ° by the rotation means 130 to rotate the cutting 100. Cutting device for the edge buffer member, characterized in that for cutting. The method of claim 6, Edge cutting, characterized in that the three cutting blades 10 are installed in a plurality of two or more in a predetermined width to be moved by a pneumatic cylinder or a mechanical device 20 to cut the cutting 100 clamped by the holding means 140. Cutting device for buffer member.