JP7101563B2 - Mold manufacturing method and molded body manufacturing equipment - Google Patents

Description

The present disclosure relates to a method for manufacturing a molded product and an apparatus for producing a molded product.

In Patent Document 1, a plurality of coil materials, which are strip-shaped metal plates (processed plates) wound in a coil shape, are punched out into a predetermined shape by using a punch and a die while intermittently feeding the coil material from an anchorer. Discloses a method for manufacturing a laminated iron core, which comprises forming a punched member of the above and laminating a plurality of punched members to obtain a laminated iron core.

Japanese Unexamined Patent Publication No. 2003-200296

The present disclosure describes a method for manufacturing a molded body and an apparatus for manufacturing a molded body, which can more easily punch out a material to be processed.

The method for manufacturing a molded product according to one aspect of the present disclosure is to superimpose a work material and a cushion material having higher flexibility than the work material, and to punch a die so as to face the work material. By arranging the mold, arranging the back member so as to face the cushion material, and sandwiching the work material and the cushion material between the punching die and the back member, the punching die becomes the cushion material. It includes punching the work material into a shape corresponding to the punching die by digging it.

The apparatus for manufacturing a molded product according to another aspect of the present disclosure includes a punching die arranged so as to face the work material, a back surface member arranged so as to face the cushion material, and a punching die. And a drive mechanism configured to drive at least one of the back member to bring the punching die and the back member closer to and away from each other, and a control unit. In the control unit, with the work material and cushion material overlapped, the work material and cushion material are sandwiched between the punching die and the back member, and the punching die is fitted into the cushion material. A process of controlling the drive mechanism so as to punch the work material into a shape corresponding to the punching die is executed.

According to the method for manufacturing a molded body and the apparatus for manufacturing a molded body according to the present disclosure, it is possible to more easily punch out the material to be processed.

FIG. 1 is a cross-sectional view showing an example of a punching device. FIG. 2A is a perspective view showing an example of a punching die and a back surface member, and FIG. 2B is a top view showing an example of a punching die and a back surface member. FIG. 3 is a cross-sectional view for explaining a process of manufacturing a punching member using the punching device of FIG. FIG. 4 is a cross-sectional view for explaining a process of manufacturing a punching member using the punching device of FIG. 1. FIG. 5 is a cross-sectional view showing another example of the punching device. FIG. 6 is a cross-sectional view for explaining a process of manufacturing a punching member using the punching device of FIG. FIG. 7 is a cross-sectional view showing another example of the punching device. FIG. 8 is a cross-sectional view for explaining a process of manufacturing a punching member using the punching device of FIG. 7. FIG. 9 is a perspective view showing another example of the punching device. FIG. 10 is a perspective view showing another example of the punching device. FIG. 11 is a perspective view showing another example of the punching device. FIG. 12 is a perspective view showing another example of the punching device.

Hereinafter, an example of the embodiment according to the present disclosure will be described in more detail with reference to the drawings. In the following description, the same code will be used for the same element or the element having the same function, and duplicate description will be omitted.

[Structure of punching device]
First, the configuration of the punching device 10 will be described with reference to FIGS. 1 and 2. As shown in FIG. 1, the punching device 10 punches the workpiece 1 in a state of being overlapped with the cushion material 2 into a predetermined shape to form a punching member W (molded body) (see FIG. 4). It is configured as follows.

Examples of the work material 1 include a metal plate, a ceramic plate, and a green sheet. The metal plate may be, for example, an alloy plate such as an electromagnetic steel plate, an amorphous metal plate, a cobalt nickel alloy plate, a copper alloy, a 42 alloy, or a carbon steel plate. The ceramic plate may be, for example, a glass plate, a fine ceramic plate, or the like. Examples of the fine ceramic material include barium titanate, zirconia, alumina, ferrite and the like. The thickness of the work material 1 is not particularly limited, but may be, for example, 5 mm or less, 1 mm or less, 0.5 mm or less, or 0.3 mm or less. It may be 0.1 mm or less, 50 μm or less, 10 μm or less, or 3 μm or less. The work material 1 may be formed by laminating a plurality of plate-like bodies made of the above materials.

The cushion material 2 has higher flexibility than the work material 1 so that the punched member W punched out from the work material 1 can be fitted into the cushion material 2. "High flexibility" may be defined as having a relatively low modulus of elasticity or dynamic modulus, and may have a hardness (eg, Vickers hardness, Rockwell hardness, etc.). It may be defined as small. The cushion material 2 may be, for example, paper, resin film, sponge, rubber, metal (for example, lead, tin, gold, etc.). The thickness of the cushion material 2 may be thinner than the thickness of the work material 1, may be about the same as the thickness of the work material 1, or may be larger than the thickness of the work material 1. .. The cushion material 2 may have, for example, 0.3 times or more the thickness of the work material 1, or may have a thickness of 1 times or more the work material 1. It may have twice or more the thickness of the processed material 1, four times or more the thickness of the work material 1, and six times or more the thickness of the work material 1. May have. The cushion material 2 may be formed by laminating a plurality of plate-shaped bodies made of the above materials.

The punching device 10 includes a back surface member 11, a punching die 12, a support plate 13, a drive mechanism 14, a stripper 15, and a controller Ctr (control unit).

The back surface member 11 is arranged so as to face the cushion material 2. In the example of FIG. 1, the back surface member 11 is located below the cushion material 2 and is configured to support the cushion material 2 and the work material 1. The back surface member 11 includes an opening 11a formed on the surface (upper surface in FIG. 1) on the side facing the cushion material 2.

The opening 11a may be a recess (recess) as shown in FIG. 1, or may be a through hole penetrating the back member 11. As shown in FIG. 2, the opening 11a has a shape along the outer shape of the punching die 12, and is smaller than the outer shape of the punching die 12. That is, when viewed from above, the peripheral edge of the opening 11a extends slightly inside the contour of the punching die 12 along the contour (see FIG. 2B).

The punching die 12 is arranged so as to face the work piece 1. In the example of FIG. 1, the punching die 12 is located above the workpiece 1. The punching die 12 is positioned so as to overlap the back surface member 11 when viewed from above. Therefore, the punching die 12 is configured so that the work material 1 and the cushion material 2 can be pressed between the punching die 12 and the back surface member 11. In the example of FIG. 1, the punching die 12 functions as a punch. That is, the punching die 12 is configured to punch the work material 1 into a shape along the outer shape thereof.

The support plate 13 supports the base end portion of the punching die 12. The support plate 13 includes a plurality of through holes (not shown). The plurality of through holes may be arranged at each corner of the support plate 13, for example. A guide shaft 16 is inserted through each of the plurality of through holes.

The drive mechanism 14 is connected to the support plate 13. The drive mechanism 14 operates based on an instruction from the controller Ctr, and is configured to integrally move the punching die 12 and the support plate 13 up and down. The drive mechanism 14 may be, for example, a press machine (mechanical press, hydraulic press, etc.) or an actuator.

The stripper 15 is arranged so as to face the work piece 1. In the example of FIG. 1, the stripper 15 is located above the workpiece 1. The stripper 15 has a function of sandwiching the work material 1 with the back surface member 11 around the punching die 12 when the work material 1 is punched out by the punching die 12. The stripper 15 includes a through hole 15a located at the center. A punching die 12 is inserted in the through hole 15a. That is, when the drive mechanism 14 is in operation, the punching die 12 moves up and down through the through hole 15a.

A plurality of guide shafts 16 are attached to the stripper 15. A plurality of elastic bodies 17 are arranged between the stripper 15 and the support plate 13. The elastic body 17 is configured to apply an elastic force to the stripper 15 in a direction in which the stripper 15 is separated from the support plate 13. The elastic body 17 may be, for example, a compression coil spring having a cylindrical shape or a gas spring. The compression coil spring may be inserted through the guide shaft 16 as illustrated in FIG.

The controller Ctr generates an instruction signal for operating the drive mechanism 14 based on, for example, a program recorded on a recording medium (not shown) or an operation input from an operator, and gives the instruction to the drive mechanism 14. It is configured to send a signal.

[Manufacturing method of punched members]
Subsequently, with reference to FIGS. 1, 3 and 4, a method of manufacturing the punching member W from the workpiece 1 by using the punching device 10 will be described.

First, as shown in FIG. 1, the cushion material 2 in which the work material 1 is overlapped is placed on the back surface member 11. As a result, the back surface member 11 directly faces the cushion material 2. Next, the punching die 12 is arranged above the workpiece 1 together with the drive mechanism 14, the stripper 15, and the like. As a result, the punching die 12 directly faces the work piece 1.

Subsequently, the controller Ctr instructs the drive mechanism 14 to lower the punching die 12 toward the workpiece 1. At this time, as shown in FIG. 3, the stripper 15 also descends together with the punching die 12 and comes into contact with the workpiece 1 around the punching die 12.

When the instruction from the controller Ctr to the drive mechanism 14 is further continued, as shown in FIG. 4, the punching die 12 is further lowered by the drive mechanism 14, but the stripper 15 is the work material 1 and the cushion material 2. Due to its existence, it will not descend any further.

At this time, since the elastic body 17 between the support plate 13 and the stripper 15 is compressed, an elastic force proportional to the amount of compression acts on the workpiece 1 and the cushion material 2 via the stripper 15. That is, the work material 1 and the cushion material 2 are sandwiched between the stripper 15 and the back surface member 11. On the other hand, the punching die 12 lowers the work material 1 and the cushion material 2 while sandwiching the work material 1 and the cushion material 2 with the back surface member 11 until it is in a state of being sunk into the cushion material 2, and in the process, the punching die 12 is lowered. The work material 1 is punched into a shape along the outer shape of 12. At this time, a part of the cushion material 2 is extruded into the opening 11a.

As a result, the punching member W is formed. After that, for example, when the material 1 to be processed is a metal material such as an electromagnetic steel plate or an amorphous metal plate, a laminated iron core (rotor or stator) can be obtained by laminating a plurality of punched members W. can.

[Action]
In the above embodiment, the work piece 1 is sandwiched between the back member 11 and the punching die 12 together with the cushioning material 2, and the punching die 12 is fitted into the cushioning material 2. The work material 1 is punched into a shape corresponding to the die 12. Therefore, unlike the conventional method of punching the work material 1, it is not necessary to align the die and the punch. Therefore, it becomes possible to punch out the work material 1 more easily. Further, since it is not necessary to align the die hole and the punch, it is not necessary to provide the work material 1 with a pilot hole or the like for transporting the work material 1. Therefore, the degree of freedom in the layout of punching in the work material 1 is increased, and it is possible to improve the yield.

By the way, in the conventional method, it is necessary to set the gap (clearance) between the die and the punch to about 10% of the thickness of the work material 1. That is, when the thin workpiece 1 is punched out, the clearance becomes smaller in proportion to the thinner workpiece 1. Therefore, the die and punch must be aligned extremely precisely. Therefore, if an attempt is made to punch a thin workpiece 1 with a punch and a die as in the conventional case, the manufacturing cost may increase. However, in the above embodiment, since it is not necessary to align the die and the punch, it is possible to significantly reduce the manufacturing cost of the punching member W.

In the above embodiment, when the work material 1 is pressed by the punching die 12, the stripper 15 suppresses the warp of the work material 1 in the vicinity of the punching die 12. Therefore, the pressing force of the punching die 12 is appropriately transmitted to the workpiece 1. Therefore, it becomes possible to more accurately manufacture the punching member W having a shape corresponding to the punching die 12.

In the above embodiment, the peripheral edge of the opening 11a provided in the back surface member 11 extends slightly inside the contour of the punching die 12 along the contour. Therefore, the stress applied to the portion of the work material 1 that comes into contact with the central portion of the punching die 12 is reduced by the presence of the opening 11a, while the peripheral portion of the punching die 12 of the work material 1 is reduced. A large stress acts on the portion in contact with the back member 11 due to the presence of the back member 11. Therefore, since the stress is concentrated in the vicinity of the peripheral edge of the punching die 12, it is possible to more accurately manufacture the punching member W having a shape corresponding to the punching die 12.

[Modification example]
Although the embodiments according to the present disclosure have been described in detail above, various modifications may be added to the above embodiments without departing from the scope of claims and the gist thereof.

(1) In the above embodiment, the back surface member 11 is provided with the opening 11a, but the back surface member 11 is not provided with the opening 11a, and the surface of the back surface member 11 may be flat.

(2) FIG. 5 shows another example of the punching device 10. In the punching device 10, an opening 12a is provided on the tip surface (punching surface) of the punching die 12. The opening 12a may be a recess (recess) as shown in FIG. 5, or may be a through hole penetrating the punching die 12. When the work material 1 is punched using such a punching device 10, the work material 1 is punched along the outer shape of the punching die 12 and the work material 1 is punched out along the outer shape of the punching die 12, as shown in FIG. The portion of 1 corresponding to the opening 12a is punched out from the workpiece 1 along the shape of the opening 12a. That is, a through hole corresponding to the shape of the opening 12a is formed in the punched member W to be manufactured. Therefore, according to the examples shown in FIGS. 5 and 6, it is possible to form a through hole in the punched member W at the same time as punching the punched member W from the workpiece 1. By setting the depth of the opening 12a to be shallow, the portion corresponding to the opening 12a can be half-cut. In this case, it is possible to form a protrusion on the punched member W at the same time as punching the punched member W. The protrusion may be used as a caulking for fastening the workpieces 1 to each other, or may be used for positioning the workpieces 1 to each other.

(3) FIG. 7 shows still another example of the punching device 10. In the punching die 10, the punching die 12 is provided on the installation surface B, the back surface member 11 is located above the punching die 12, and the drive mechanism 14 connected to the back surface member 11 is provided. The back member 11 is configured to move up and down. The punching die 12 includes a punching hole 12b. In this case, the punching die 12 functions as a die configured to punch the work material 1 in a shape along the peripheral edge of the punching hole 12b. A stripper 15 and an elastic body 17 are arranged in the punched hole 12b. The stripper 15 is urged toward the back member 11 by the elastic body 17. When the workpiece 1 is punched using such a punching device 10, the workpiece 1 is punched along the peripheral edge of the punched hole 12b as shown in FIG. At this time, since the punching member W is elastically supported by the stripper 15 and the elastic body 17, the punching member W is sandwiched between the stripper 15 and the back surface member 11.

In the example shown in FIGS. 7 and 8, the outer shape of the back surface member 11 has a shape along the peripheral edge of the punched hole 12b, and may be larger than the peripheral edge of the punched hole 12b. That is, when viewed from above, the peripheral edge of the punched hole 12b may extend slightly inward from the contour of the back surface member 11 along the contour. In this case, the stress applied to the portion of the work material 1 in contact with the central portion of the back surface member 11 is reduced by the presence of the punched hole 12b, while the stress applied to the peripheral portion of the work material 1 in contact with the peripheral portion of the punched hole 12b is reduced. A large stress acts on the portion due to the presence of the peripheral portion of the back surface member 11. Therefore, since the stress is concentrated in the vicinity of the peripheral edge of the punched hole 12b, it is possible to more accurately manufacture the punched member W having a shape corresponding to the punched hole 12b.

(4) The apparatus illustrated in FIGS. 1 and 5 may not be equipped with the stripper 15. Further, in the apparatus exemplified in FIG. 7, the stripper 15 and the elastic body may not be arranged in the punching hole 12b. In the example shown in FIGS. 7 and 8, the back surface member 11 may overlap the entire surface or most of the cushion material 2.

(5) As illustrated in FIG. 9A, the work material 1 and the cushion material 2 have a band shape, and the material 1 and the cushion material 2 are striking while being intermittently fed by the delivery rolls 20 and 21 (conveying mechanism), respectively. The work material 1 may be punched by the punching device 10. Specifically, the transport direction of the work material 1 by the delivery roll 20 and the transport direction of the cushion material 2 by the delivery roll 20 intersect, and the work is to be performed at the intersection between the work material 1 and the cushion material 2. The material 1 and the cushion material 2 may be sandwiched between the back surface member 11 and the punching die 12. In this case, it becomes possible to efficiently manufacture a plurality of punched members W. The sending rolls 20 and 21 are driven based on an instruction from the controller Ctr.

As illustrated in FIG. 9A, when the work material 1 is located above the cushion material 2, the punched member is punched out at the intersection of the work material 1 and the cushion material 2. W is sequentially conveyed to the downstream side by the delivery roll 21 in a state of being placed on the cushion material 2. Further, the region of the work material 1 in which the through hole 1a is formed due to the punching process of the punching member W is also sequentially conveyed to the downstream side by the delivery roll 20.

As illustrated in FIG. 9B, the work material 1 and the cushion material 2 may be conveyed so that a plurality of work materials 1 intersect with one cushion material 2. Although not shown, the work material 1 and the cushion material 2 may be conveyed so that one or more work materials 1 intersect with the plurality of cushion materials 2. Although not shown, the work material 1 and the cushion material 2 are conveyed so that two or more sets of the work material 1 and the cushion material 2 are arranged one above the other and the intersecting portions of the respective sets overlap in the vertical direction. You may.

(6) As illustrated in FIG. 10A, the work material 1 and the cushion material 2 have a band shape, and the work material 1 and the cushion material 2 are overlapped so as to coincide with each other in the longitudinal direction. The material 1 to be machined may be punched by the punching device 10 while being intermittently fed by the delivery roll 20 (conveying mechanism). Also in this case, it is possible to efficiently manufacture the plurality of punched members W. The delivery roll 20 is driven based on an instruction from the controller Ctr.

As illustrated in FIG. 10A, when the work material 1 is located above the cushion material 2, the punched member W punched out from the work material 1 is mounted on the cushion material 2. In the placed state, it is sequentially conveyed to the downstream side by the delivery roll 21. At this time, by winding the work material 1 and the cushion material 2 separately on the downstream side, the punching member W punched from the work material 1 is placed on the cushion material 2 and punched. The later processed material 1 and the cushion material 2 can be separated.

(7) As illustrated in FIG. 10B, the back surface member 11 and the punching die 12 may have a columnar shape. In this case, the strip-shaped work material 1 and the cushion material 2 which are overlapped so as to coincide with each other in the longitudinal direction are pinched while being sent out by the back surface member 11 and the punching die 12, and are pressed by the punching die 12. The processed material 1 is punched. At least one of the back member 11 and the punching die 12 is driven based on an instruction from the controller Ctr.

(8) As illustrated in FIG. 11, the work material 1 and the cushion material 2 in a superposed state are sequentially conveyed in two directions by an XY stage or the like, and the work material 1 is punched out by the punching device 10. It may be processed. Alternatively, while the back member 11 and the punching die 12 of the punching device 10 are sequentially moving in two directions (for example, the XY direction), the workpiece 1 and the cushion material 2 in the overlapped state are sandwiched and covered. The processed material 1 may be punched.

(9) As illustrated in FIG. 12, the work material 1 and the cushion material 2 have a circular shape, and the work material 1 and the cushion material 2 in a superposed state are intermittently provided by a rotation mechanism (not shown). The work material 1 may be punched by the punching device 10 while rotating the material 1. In this case, the punching member W is sequentially punched from the work material 1 in the circumferential direction of the work material 1. Therefore, it becomes possible to efficiently manufacture a plurality of punched members W. The back surface member 11 and the punching die 12 may move above the peripheral edge portion of the work material 1 without rotating the work material 1 and the cushion material 2.

(10) One of the back surface member 11 and the punching die 12 may be located above, and the other may be located below.

(11) The drive mechanism 14 may be configured to drive at least one of the back surface member 11 and the punching die 12.

(12) The present technique may be applied to various molded bodies such as laminated iron cores, lead frames used as internal wiring of semiconductor packages, and separators for fuel cells.

[Example]
Example 1. The method for manufacturing the molded body (W) according to one example of the present disclosure is to superimpose the work material (1) and the cushion material (2) having higher flexibility than the work material (1). , Arranging the punching die (12) so as to face the work material (1), arranging the back member (11) so as to face the cushion material (2), and punching die. The work material (1) and the cushion material (2) are sandwiched between the (12) and the back member (11), and the punching die (12) is fitted into the cushion material (2). It includes punching the work material (1) into a shape corresponding to the punching die (12). In this case, unlike the conventional method of punching the work material, it is not necessary to align the die and the punch. Therefore, it becomes possible to punch out the work material more easily. Further, since it is not necessary to align the die hole and the punch, it is not necessary to provide a pilot hole or the like for transporting the work material in the work material. Therefore, the degree of freedom in the layout of punching in the work material is increased, and it is possible to improve the yield.

By the way, in the conventional method, it is necessary to set the gap (clearance) between the die and the punch to about 10% of the thickness of the work material. That is, when a thin work material is punched out, the clearance becomes smaller in proportion to the thinner work material. Therefore, the die and punch must be aligned extremely precisely. Therefore, if an attempt is made to punch a thin workpiece with a punch and a die as in the conventional case, the manufacturing cost may increase. However, according to Example 1, since it is not necessary to align the die and the punch, it is possible to significantly reduce the manufacturing cost of the molded product.

Example 2. In the method of Example 1, punching the work material (1) causes the work material (1) and the cushion material (2) to be backed by a stripper (15) arranged so as to face the work material (1). While sandwiched between the member (11), the work piece (1) and the cushion material (2) are sandwiched between the punching die (12) and the back member (11), and the punching die (1) is pressed. It may include punching the work material (1) into a shape corresponding to 12). In this case, when the work material is pressed by the punching die, the warp of the work material in the vicinity of the punching die is suppressed by the stripper. Therefore, the pressing force of the punching die is appropriately transmitted to the work material. Therefore, it becomes possible to more accurately manufacture a molded body having a shape corresponding to the punching die.

Example 3. In the method of Example 1 or Example 2, the punching die (12) is a punch configured to punch the work material (1) into a shape along the outer shape thereof, and the back member (11) is punched. An opening (11a) smaller than the outer shape of the mold (12) may be provided. In this case, a particularly large stress acts from the punching die on the portion of the work material that comes into contact with the peripheral edge of the punch due to the presence of the back surface member. Therefore, since stress is concentrated in the vicinity of the peripheral edge of the punching die, it is possible to manufacture a molded body having a shape corresponding to the punching die with higher accuracy.

Example 4. In the method of Example 1 or Example 2, the punching die (12) is a die configured to punch the work material (1) in a shape along the peripheral edge of the punching hole (12b), and is a back member (11). ) May be larger than the punching hole (12b) and smaller than the outer shape of the punching die (12). In this case, a large stress is applied from the punching die to the vicinity of the portion of the work material that comes into contact with the peripheral edge of the punched hole. Therefore, since stress is concentrated in the vicinity of the peripheral edge of the punched hole, it is possible to manufacture a molded body having a shape corresponding to the punched die with higher accuracy.

Example 5. In any of the methods of Examples 1 to 4, the work material (1) and the cushion material (2) have a strip shape, and the punching of the work material (1) is such that the longitudinal directions of the work material (1) coincide with each other. While intermittently transporting the work material (1) and the cushion material (2) superposed on each other in a predetermined direction, the work material (1) is sequentially punched into a shape corresponding to the punching die (12). Alternatively, the work material (1) is intermittently conveyed in a predetermined direction so that the work material (1) and the cushion material (2) intersect with each other. It may include sequentially punching the work material (1) into a shape corresponding to the punching die (12) at the intersection between the cushion material (2) and the cushion material (2). In this case, it becomes possible to efficiently manufacture a plurality of molded bodies.

Example 6. In any of the methods of Examples 1 to 4, the work material (1) and the cushion material (2) have a disk shape, and punching out the work material (1) is performed by the work material (1). Including punching the work material (1) into a shape corresponding to the punching die (12) sequentially in the circumferential direction of the work material (1) while intermittently rotating the cushion material (2). You may. In this case, it becomes possible to efficiently manufacture a plurality of molded bodies.

Example 7. The molding die (W) manufacturing apparatus (10) according to one example of the present disclosure includes a punching die (12) arranged so as to face the workpiece (1) and a cushion material (2). By driving at least one of the back surface member (11) arranged to face each other and the punching die (12) and the back surface member (11), the punching die (12) and the back surface member (11) are brought close to each other. A drive mechanism (14) configured to be separated from each other and a control unit (Ctr) are provided. The control unit (Ctr) is a state in which the work material (1) and the cushion material (2) are overlapped with each other, and the work material (1) and the cushion material are formed by the punching die (12) and the back surface member (11). By sandwiching (2) and fitting the punching die (12) into the cushion material (2), the work material (1) is punched into a shape corresponding to the punching die (12). The process of controlling the drive mechanism (14) is executed. In this case, the same effect as in Example 1 can be obtained.

Example 8. The apparatus (10) of Example 7 further includes a stripper (15) arranged so as to face the work material (1), and the control unit (Ctr) is a superposed work material (1) and a cushion material. With the (2) sandwiched between the stripper (15) and the back member (11), the work piece (1) and the cushion material (2) are formed between the punching die (12) and the back member (11). The drive mechanism (14) may be controlled so as to punch the workpiece (1) into a shape corresponding to the punching die (12). In this case, the same effect as in Example 2 can be obtained.

Example 9. In the apparatus (10) of Example 7 or Example 8, the punching die (12) is a punch configured to punch out the work material (1) in a shape along the outer shape thereof, and the back member (11) has a punch. An opening (11a) smaller than the outer shape of the punching die (12) may be provided. In this case, the same effect as in Example 3 can be obtained.

Example 10. In the apparatus (10) of Example 7 or Example 8, the punching die (12) is a die configured to punch the work material (1) in a shape along the peripheral edge of the punching hole (12b), and is a back surface. The outer shape of the member (11) may be larger than the punching hole () 11b and smaller than the outer shape of the punching die (12). In this case, the same effect as in Example 4 can be obtained.

Example 11. The device (10) according to any one of Examples 7 to 10 further includes a transport mechanism (20) configured to transport the strip-shaped workpiece (1) and cushion material (2) in a predetermined direction. The control unit (Ctr) intermittently conveys the work material (1) and the cushion material (2), which are overlapped so as to coincide with each other in the longitudinal directions, in a predetermined direction to the punching die (12). The drive mechanism (14) and the transport mechanism (20, 21) are controlled so as to sequentially punch the work material (1) into the corresponding shape, or the work material (1) and the cushion material (2) intersect. While intermittently transporting the work material (1) and the cushion material (2) in predetermined directions, the punching die (12) is formed at the intersection of the work material (1) and the cushion material (2). ), The drive mechanism (14) and the transport mechanism (20) may be controlled so as to sequentially punch the workpiece (1) into a shape corresponding to). In this case, the same effect as in Example 5 can be obtained.

Example 12. The device (10) according to any one of Examples 7 to 10 further includes a rotation mechanism configured to rotate the disk-shaped workpiece (1) and the cushion material (2), and is further provided with a control unit (Ctr). ) Corresponds to the punching die (12) sequentially in the circumferential direction of the work material (1) while intermittently rotating the work material (1) and the cushion material (2) in a superposed state. The drive mechanism (14) and the rotation mechanism may be controlled so as to punch the workpiece (1) into a shape. In this case, the same effect as in Example 6 can be obtained.

1 ... Work material, 2 ... Cushion material, 10 ... Punching device (molded body manufacturing device), 11 ... Back member, 11a ... Opening, 12 ... Punching die, 12b ... Punching hole, 13 ... Support plate , 14 ... Drive mechanism, 15 ... Stripper, 20, 21 ... Conveyance mechanism, Ctr ... Controller (control unit), W ... Punching member (molded body).

Claims (12)

By superimposing the work material and the cushion material having higher flexibility than the work material,
By arranging the punching die so as to face the work material,
By arranging the back member so as to face the cushion material,
A shape corresponding to the punching die by sandwiching the work material and the cushioning material between the punching die and the back surface member and fitting the punching die into the cushion material. Including punching out the work material
The punching die is a punch configured to punch out the work material in a shape along the outer shape thereof.
A method for manufacturing a molded body, wherein the back member is provided with an opening smaller than the outer shape of the punching die . By superimposing the work material and the cushion material having higher flexibility than the work material,
By arranging the punching die so as to face the work material,
By arranging the back member so as to face the cushion material,
A shape corresponding to the punching die by sandwiching the work material and the cushioning material between the punching die and the back surface member and fitting the punching die into the cushion material. Including punching out the work material
The punching die is a die configured to punch the work material into a shape along the peripheral edge of the punched hole.
A method for manufacturing a molded body , wherein the outer shape of the back surface member is larger than the outer shape of the punched hole and smaller than the outer shape of the punched die. The punching of the work material is performed with the punching die in a state where the work material and the cushion material are sandwiched between the work material and the back surface member by a stripper arranged so as to face the work material. The method according to claim 1 or 2, comprising pressing the work material and the cushion material with the back surface member and punching the work material into a shape corresponding to the punching die. The work material and the cushion material have a band shape.
Punching the work material has a shape corresponding to the punching die while intermittently transporting the work material and the cushion material, which are overlapped so as to coincide with each other in the longitudinal direction, in a predetermined direction. With the work material, the work material is sequentially punched out, or the work material and the cushion material are intermittently conveyed in a predetermined direction so that the work material and the cushion material intersect with each other. The method according to any one of claims 1 to 3 , comprising sequentially punching the work material into a shape corresponding to the punching die at the intersection with the cushion material. The work material and the cushion material have a disk shape.
Punching the work material means that the work material is sequentially rotated in the circumferential direction of the work material while rotating the work material and the cushion material in a shape corresponding to the punching die. The method according to any one of claims 1 to 3 , which includes punching. By superimposing the work material and the cushion material having higher flexibility than the work material,
By arranging the punching die so as to face the work material,
By arranging the back member so as to face the cushion material,
A shape corresponding to the punching die by sandwiching the work material and the cushioning material between the punching die and the back surface member and fitting the punching die into the cushion material. Including punching out the work material
The work material and the cushion material have a disk shape.
Punching the work material means that the work material is sequentially rotated in the circumferential direction of the work material while rotating the work material and the cushion material in a shape corresponding to the punching die. A method for manufacturing a molded product, including punching. A punching die placed facing the work material,
The back member arranged so as to face the cushion material,
A drive mechanism configured to drive at least one of the punching die and the back surface member so as to bring the punching die and the back surface member closer to and away from each other.
Equipped with a control unit
The control unit presses the work material and the cushion material between the punching die and the back surface member in a state where the work material and the cushion material are overlapped with each other to form the punching die. By digging into the cushion material, a process of controlling the drive mechanism so as to punch the work material into a shape corresponding to the punching die is executed.
The punching die is a punch configured to punch out the work material in a shape along the outer shape thereof.
An apparatus for manufacturing a molded product, wherein the back member is provided with an opening smaller than the outer shape of the punching die . A punching die placed facing the work material,
The back member arranged so as to face the cushion material,
A drive mechanism configured to drive at least one of the punching die and the back surface member so as to bring the punching die and the back surface member closer to and away from each other.
Equipped with a control unit
The control unit presses the work material and the cushion material between the punching die and the back surface member in a state where the work material and the cushion material are overlapped with each other to form the punching die. By digging into the cushion material, a process of controlling the drive mechanism so as to punch the work material into a shape corresponding to the punching die is executed.
The punching die is a die configured to punch the work material into a shape along the peripheral edge of the punched hole.
An apparatus for manufacturing a molded product , wherein the outer shape of the back surface member is larger than the outer shape of the punched hole and smaller than the outer shape of the punched die. Further provided with a stripper arranged to face the work piece,
The control unit holds the overlapped work material and the cushion material between the stripper and the back surface member, and the punched die and the back surface member hold the work material and the cushion material. The device according to claim 7 or 8, wherein the drive mechanism is controlled so as to pinch the material and punch the material to be processed into a shape corresponding to the punching die. Further, a transport mechanism configured to transport the work material and the cushion material in a strip shape in a predetermined direction is provided.
The control unit intermittently conveys the work material and the cushion material, which are overlapped so as to coincide with each other in the longitudinal directions, in a predetermined direction, and forms the work material into a shape corresponding to the punching die. The drive mechanism and the transport mechanism are controlled so as to sequentially punch out the work material, or the work material and the cushion material are intermittently transported in a predetermined direction so that the work material and the cushion material intersect with each other. 7 to claim 7, wherein the drive mechanism and the transport mechanism are controlled so as to sequentially punch the work material into a shape corresponding to the punching die at the intersection of the work material and the cushion material. 9. The apparatus according to any one of 9. Further provided with a rotation mechanism configured to rotate the disk-shaped workpiece and the cushion material.
The control unit intermittently rotates the work material and the cushion material in a superposed state, and sequentially rotates the work material in the circumferential direction of the work material into a shape corresponding to the punching die. The device according to any one of claims 7 to 9 , which controls the drive mechanism and the rotation mechanism so as to punch out. A punching die placed facing the work material,
The back member arranged so as to face the cushion material,
A drive mechanism configured to drive at least one of the punching die and the back surface member so as to bring the punching die and the back surface member closer to and away from each other.
Equipped with a control unit
The control unit presses the work material and the cushion material between the punching die and the back surface member in a state where the work material and the cushion material are overlapped with each other to form the punching die. By digging into the cushion material, a process of controlling the drive mechanism so as to punch the work material into a shape corresponding to the punching die is executed.
Further provided with a rotation mechanism configured to rotate the disk-shaped workpiece and the cushion material.
The control unit intermittently rotates the workpiece and the cushioning material in an overlapped state, and sequentially rotates the workpiece in the circumferential direction of the workpiece in a shape corresponding to the punching die. A device for manufacturing a molded product, which controls the drive mechanism and the rotation mechanism so as to punch out.

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