JP5940914B2 - Die fixture for printing - Google Patents

Description

  The present invention relates to a printing die for fixing a printing die such as a sealing blade die used for sealing a printed material, a foil pressing plate used for foil stamping (hot stamping), and an embossing plate used for embossing. It relates to a fixture.

  For example, when producing a printed matter such as a seal, a label, or a sticker, printing is performed on a sheet-like substrate such as paper or film, and the printed sheet-like substrate is punched into a desired shape with a sealing blade. Done. The sealing blade mold used here is usually fixed on the chase that constitutes the punching unit of the seal making machine, and is attached to the seal making machine together with the chase so that the blade edge of the punching blade faces the sheet-like substrate. Used.

  In addition, when foil stamping is performed on an object, hot stamping foil is stacked on the object, the object is pressed from above the hot stamping foil with a plate for foil pressing, and the foil is thermally transferred to the object. Is called. At this time, the foil stamping plate is fixed on a hot platen constituting a hot press type hot stamping machine, and the foil stamping plate is attached so that the uneven surface of the foil stamping plate faces the hot stamping foil.

  This type of printing mold, such as a sealing blade mold, foil stamping plate, and embossing plate, is selected in the desired shape and type each time printed material is manufactured. It is fixed on the fixed platen. The conventional method of fixing these printing molds to the mold fixing plate is to attach the printing molds in place by applying double-sided tape or applying an adhesive to the back of the printing molds. It is a method to do.

  Further, in Patent Document 1, as a method of fixing the sealing blade mold and the chase, the blade base and the blade mold made of a rectangular plate having the same dimensions as the chase are aligned, and then a holding plate and a screw are used. A method is described in which a sealing blade mold is fixed to a blade base, and this blade base and chase are fixed with screws.

Japanese Patent No. 2657609

  However, in the above-described general conventional method, since the space between the printing mold and the mold fixing plate is fixed with a double-sided tape or an adhesive, when replacing with another printing mold, The printing mold could not be easily removed from the mold fixing platen. To remove the printing mold, insert a scraper between the printing mold and the mold fixing plate to remove the printing mold from the mold fixing plate, or use a solvent to remove the adhesive layer or adhesive on the double-sided tape. The mold fixing platen and the printing mold had to be separated by melting or the like, which was very time-consuming. Moreover, since the printing mold is removed from the mold fixing plate as described above, there is also a problem that the printing mold is easily damaged.

  Furthermore, if the printing mold is bonded to the wrong position on the mold fixing plate, remove the printing mold from the mold fixing plate as described above, and remove the printing mold. After removing the double-sided tape and adhesive adhering to the back and mold fixing plate, cleanly attach the double-sided tape and adhesive to the back of the printing die and adhere to the specified position on the die fixing plate. Had to do.

  In addition, since the space between the printing mold and the mold fixing plate is fixed with a double-sided tape or adhesive, the height of the blade type blade height or the plate surface of the foil stamping plate is increased by the intervening double-sided tape or adhesive. It tends to occur, and uneven printing pressure tends to occur. Therefore, it is necessary to attach a printing unevenness removing material or the like and adjust the blade height and the plate height of the printing die.

  On the other hand, the fixing method of the blade type and the chase described in Patent Document 1 requires that the blade base and the chase are fixed with a holding plate and a screw, and then the blade base and the chase are further fixed with a screw. Therefore, a tool is necessary for both fixing and removing the blade mold, which takes a lot of time and effort.

  The present invention has been devised in view of the above points, and its purpose is to easily and reliably fix a printing mold to a mold fixing plate without using a double-sided tape or an adhesive. It is an object of the present invention to provide a printing mold fixture capable of easily removing a printing mold fixed to a fixed platen.

  Another object of the present invention is that the printing mold can be easily fixed at a predetermined position on the mold fixing platen, and is fixed even when the printing mold is fixed at the wrong position. An object of the present invention is to provide a printing mold fixture whose position can be easily corrected.

  Another object of the present invention is that it can be used for conventional printing molds without any special processing or the like on the conventional printing molds, and does not require tools for fixing and removing the printing molds. Another object of the present invention is to provide a printing mold fixture capable of fixing a printing mold.

  In order to solve the above-mentioned problems, a printing mold fixture of the present invention for fixing a printing mold to a mold fixing plate has a first surface, a second surface, a first surface, and a second surface. A thin plate-like leaf spring member that is connected and has a bent portion having a substantially U-shaped bent section, and is fixed to the second surface of the leaf spring member, and can be magnetically attached to the mold fixing platen. A locking portion that engages with at least a part of the outer edge portion of the printing mold, and is provided at the end opposite to the bent portion of the first surface of the leaf spring member. The leaf spring member is provided with a free end portion configured to be able to hook a fingertip.

  The printing mold fixture of the present invention is mainly composed of a leaf spring member and a magnet. This leaf spring member is formed by bending a thin plate into a substantially U-shaped cross section, and connects the first surface, the second surface, the first surface, and the second surface. And a bent portion having a substantially U-shaped bent cross section. The first surface of the leaf spring member is provided with a locking portion at the end opposite to the bent portion, and the locking portion engages with the outer edge of the printing mold for printing. It plays the role of a nail that locks the mold. A magnet is fixed to the second surface of the leaf spring member, and when the magnet is magnetically attached to the mold fixing platen, the entire plate spring member is pulled toward the die fixing platen. As a result, the engaging portion provided at the end of the first surface of the leaf spring member presses the printing mold in the direction of the mold fixing platen, and the printing mold is fixed. On the other hand, when removing the once fixed printing die, the fingertip is hooked on the free end provided on the leaf spring member, and the printing die fixing tool is lifted from the die fixing platen. This is done by eliminating the magnetic adhesion between the magnet and the magnet. In this way, by arranging the printing mold fixture on the outer edge of the printing mold, the printing mold can be easily and reliably fixed to the mold fixing plate, and the fixed printing mold is fixed. When removing the mold, it can be easily removed from the mold fixing plate by hooking the fingertip on the free end of the printing mold fixture and lifting it. When fixing the printing mold, it is only necessary to place the printing mold fixture on at least one opposite side or corner of the printing mold, so that the printing mold is stable. Then, it is fixed to the mold fixing platen.

  Moreover, it is also preferable that the free end part of the printing die fixture of the present invention is provided on the same plane as the first surface. Since the free end portion is provided in the same plane as the first surface of the leaf spring member, a relatively large space is generated between the free end portion and the mold fixing platen. Therefore, it is easy to hook the fingertip on the free end, and it is possible to more easily remove the printing mold fixture from the mold fixture.

  It is also preferable that the free end of the printing mold fixture of the present invention is provided on the same plane as the second surface. Since the free end is provided in the same plane as the second surface at a position lower than the first surface, there is no possibility that the free end interferes with the punching blade or foil stamping plate of the printing mold, Printing can be performed while the printing mold is securely fixed. In addition, since the length of the free end can be designed to be longer, it is possible to more easily remove the printing mold fixture from the mold fixture.

  And it is also preferable that the leaf | plate spring member of the printing die fixing tool of this invention is equipped with the adjustment means for adjusting the height position of a latching | locking part. By providing the leaf spring member with adjusting means for adjusting the height position of the locking portion, the height position of the locking portion from the magnet bottom can be adjusted. Therefore, the height of the locking portion can be adjusted according to the thickness of the printing mold to be fixed. Moreover, the force which a latching | locking part engages with the outer edge part of a printing metal mold | die and presses can also be adjusted.

  Further, the leaf spring member is made of a magnetic material, and the leaf spring member is provided with a yoke portion that is bent at both ends with respect to the bent portion of the second surface so as to cover both sides of the magnet. Is also preferable. Since the magnetic force lines of the magnet can be concentrated on the yoke portion to increase the magnetic adhesion force, the printing mold can be stably fixed to the mold fixing platen.

  Also, the yoke part is longer than the thickness of the magnet so that the magnet is separated from the mold fixing plate when the printing mold fixture is magnetically attached to the mold fixing plate. It is also preferable to be configured. When fixing the printing mold to the mold fixing plate, the yoke part contacts the mold fixing plate instead of the bottom of the magnet, so that the impact on the magnet can be prevented and the magnet can be prevented from being damaged. it can.

  It is also preferable to further include a nonmagnetic material fixed to the second surface on a side different from the locking portion of the second surface. By placing a non-magnetic material on the side opposite to the locking portion of the second surface of the leaf spring member, a high magnetic adhesion force on the locking portion side for securely fixing the printing mold to the mold fixing platen While maintaining the above, the magnetic adhesion force of the surface to be magnetically attached to the mold fixing plate can be weakened as a whole. Therefore, even when a magnet having a strong magnetic force such as a rare earth magnet is used, the printing mold fixture can be removed more easily.

According to the present invention, it is possible to provide a printing mold fixture having the following excellent effects.
(1) A printing die can be easily and reliably fixed on a die fixing plate without using a tool, a double-sided tape, or an adhesive.
(2) The printing mold fixed on the mold fixing plate can be easily and quickly removed without damaging the printing mold.
(3) The printing mold can be easily fixed at a predetermined position on the mold fixing platen, and even if the printing mold is fixed at the wrong position, the fixing position is easily corrected. can do.
(4) The conventional printing mold can be used to fix the conventional printing mold without special processing or the like.

It is a perspective view explaining the use condition of the metallic mold fixture for printing concerning a 1st embodiment of the present invention. 1A is a perspective view, FIG. 1B is a plan view showing the front surface, FIG. 1C is a rear view showing the back surface, and FIG. 1D is a cross-sectional view taken along line AA shown in the perspective view. It is. It is sectional drawing which shows the use condition of the printing die shown in FIG.2 (D). (A) perspective view, (B) plan view showing the surface, (C) back view showing the back surface, and (D) B- shown in the perspective view of the printing mold fixture according to the second embodiment of the present invention. It is sectional drawing which follows a B line. It is sectional drawing which shows the use condition of the metal mold | die fixing tool for printing shown in FIG.4 (D).

  Hereinafter, the printing mold fixture 1 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 3.

  As shown in FIGS. 1 to 3, a printing mold fixture 1 according to this embodiment includes a leaf spring member 2 formed by bending a thin plate into a substantially U-shaped cross section, and a leaf spring member 2. It is mainly composed of the fixed magnet 3. The leaf spring member 2 connects the first surface 2a, the second surface 2b, the first surface 2a and the second surface 2b, and has a bent portion 2c having a substantially U-shaped bent section. The magnet 3 is fixed on the second surface 2b. The first surface 2a of the leaf spring member 2 is provided with a locking portion 20 that extends on the same plane as the first surface 2a at the end opposite to the bent portion 2c. Further, the first surface 2a is provided with free end portions 21 extending on the same plane as the first surface 2a at both ends in the longitudinal direction perpendicular to the bending direction of the leaf spring member 2, respectively. Yes. In the present embodiment, the printing mold fixture 1 is formed symmetrically with respect to a direction perpendicular to the bending direction of the leaf spring member 2, that is, a line that bisects the longitudinal direction. Yes.

  The leaf spring member 2 of the printing mold fixture 1 will be described in more detail with reference to FIGS. 2 and 3. The leaf spring member 2 is formed by bending a thin plate formed in a predetermined shape into a substantially U-shaped cross section. By bending the thin plate, a first surface 2a and a second surface 2b are formed, and the first surface 2a and the second surface 2b are folded in a substantially U-shaped cross section connecting them. A curved portion 2c is formed. The first surface 2a, the bent portion 2c, and the second surface 2b formed in this manner allow the leaf spring member 2, specifically, a locking portion 20 of the leaf spring member 2 described later, to be used as the printing mold 5. The elastic force which presses the outer edge part of this occurs. The leaf spring member 2 only needs to be bent to such an extent that the locking portion 20 can press the outer edge portion of the printing mold 5, and the bending angle of the bent portion 2 c is not particularly limited. In the present embodiment, the distance between the first surface 2a and the second surface 2b is narrower on the end portion side opposite to the bent portion 2c than on the bent portion 2c side. When the locking portion 20 provided on the first surface 2a presses and fixes the outer edge portion of the printing mold 5, the first surface 2a and the second surface 2b are bent. It is adjusted to be substantially parallel. Moreover, as a thin plate which forms the leaf | plate spring member 2, metal plates, such as a steel plate, a stainless steel plate, and an aluminum plate, can be used, and the 2nd surface 2b of the leaf | plate spring member 2 mentioned later is used as a yoke of the magnet 3. FIG. In this case, a magnetic steel plate is preferably used.

  Next, the latching | locking part 20 provided in the leaf | plate spring member 2 is demonstrated, referring FIG.2 and FIG.3. In the present embodiment, the first surface 2a of the leaf spring member 2 has a locking portion extending in a rectangular shape on the same plane as the first surface 2a at the end opposite to the bent portion 2c. Two 20 are provided. The locking portion 20 is designed to engage with the outer edge portion of the printing mold 5 and press the outer edge portion so that the printing mold 5 can be locked to the mold fixing platen 6. Specifically, the configuration of the locking portion 20 includes at least one locking piece having a rectangular shape, a trapezoidal shape, a semicircular shape, a triangular shape, or a wedge shape. In the present embodiment, the locking portion 20 is formed of a rectangular locking piece, one in a portion slightly separated from the central portion in the longitudinal direction of the leaf spring member 2, and a longitudinal direction perpendicular to the bending direction of the leaf spring member 2. Another one is provided at a line-symmetrical position with respect to a line that bisects the direction. Thus, by providing a plurality of engaging portions 20 symmetrically with respect to a line that bisects the longitudinal direction, the outer edge portion of the printing mold 5 can be reliably pressed and fixed, Even when the thickness of the printing mold 5 is uneven, the printing mold 5 can be pressed by the plurality of engaging portions 20, so that the printing mold 5 can be stably attached to the mold fixing platen 6. Can be fixed to. Further, unlike the present embodiment, by not providing the locking portion 20 at the central portion in the longitudinal direction, the printing mold 5 is confirmed while confirming the center position guide (center registration mark) provided in the printing mold 5. Can be aligned.

  As shown in FIGS. 1 and 3, the locking part 20 of the printing mold fixture 1 engages with the outer edge part of the printing mold 5 and presses the outer edge part toward the mold fixing platen 6. Fix it. The height position of the locking portion 20 is adjusted by the bending angle of the leaf spring member 2 and the thickness of the magnet 3 fixed to the leaf spring member 2. Specifically, the locking portion 20 is fixed to the printing mold 5. The height from the bottom of the printing mold fixture 1 to the locking portion 20 is slightly larger than the length of the thickness of the printing mold 5 so that the outer edge of the printing mold 5 can be pressed. It is adjusted to be lower. The leaf spring member 2 can be provided with an adjusting means 22 for adjusting the height position of the locking portion 20. In the present embodiment, the leaf spring member 2 is provided with a screw hole and a screw adjusting means 22 for adjusting the height position of the locking portion 20. Since the height position from the bottom of the printing mold fixture 1 to the locking portion 20 can be adjusted by the adjusting means 22, the locking portion 20 is matched with the thickness of the printing mold 5 to be fixed. The height position of can be adjusted. Further, the force with which the locking portion 20 presses the outer edge portion of the printing mold 5 can also be adjusted.

  When a sealing blade is used as the printing die 5, the blade height from the surface of the punching blade 50 is usually about 5 to 7 mm for the Thomson blade and about 1 to 3 mm for the mainspring blade. Yes, since the plate thickness is usually only about 1 to 7 mm in the foil pressing plate, the height position of the first surface 2a of the leaf spring member 2 including the height position of the locking portion 20 is as follows. When the locking portion 20 is engaged with the outer edge portion of the printing mold 5 and the printing mold 5 is fixed, it is designed so as not to affect the punching of the printed matter or the foil pressing process. Specifically, when the locking portion 20 is engaged with the outer edge portion of the printing mold 5, the first of the leaf spring member 2 including the locking portion 20 rather than the punching blade 50 or the height position of the plate. The height of the surface 2a is adjusted to be lower.

  Next, the free end 21 provided on the leaf spring member 2 will be described with reference to FIG. As the magnet 3 provided in the printing mold fixture 1 of the present invention, a magnet having a strong attracting force is used in order to securely fix the printing mold 5 to the mold fixing platen 6. Therefore, the free end 21 is provided so that the printing mold fixture 1 that fixes the printing mold 5 to the mold fixing plate 6 can be easily removed. The free end 21 may be configured so that the printing die fixture 1 can be detached by hooking a fingertip on the free end 21 and is the same thin plate as the thin plate constituting the leaf spring member 2. It is also possible to form a single thin plate in combination with the leaf spring member 2 and to form at least one thin plate piece having a rectangular shape, an elliptical shape, a semicircular shape, a trapezoidal shape or the like. It is formed. In the present embodiment, the free end portions 21 are formed at both ends of the first surface 2a in the direction orthogonal to the bending direction of the leaf spring member 2, and are on the same plane as the first surface 2a, respectively. It is comprised from the rectangular thin plate piece extended like a blade | wing. In this way, the free end 21 is provided in the same plane as the first surface 2a of the leaf spring member 2, so that the free end 21 and the printing mold fixture 1 are magnetically attached. Since a relatively large space is formed between the free end portion 21 and the free end portion 21, the fingertip can be easily hooked on the free end portion 21 and can be easily removed. Furthermore, since the distance between the free end portion 21 that hooks a finger, which is a force point in the lever principle, and the end portion of the magnet 3 that is a fulcrum point in the lever principle can be increased, the printing mold fixture 1 is attached to the mold. It can be removed from the fixed plate 6 with a small force. Even when the surface of the free end 21 is pushed in the direction of the mold fixing plate 6 with a finger to remove the printing mold fixture 1, the surface of the free end 21, which is the power point of the lever principle, Since the distance from the end portion of the magnet 3 serving as a fulcrum of the principle can be gained, the printing mold fixture 1 can be detached from the mold fixture 6 with a small force.

  Next, the magnet 3 constituting the printing mold fixture 1 will be described. As shown in FIGS. 2 and 3, the magnet 3 is fixed to the second surface 2 b of the leaf spring member 2, and the printing mold fixture 1 is fixed to the mold fixing plate 6 by the magnetic force of the magnet 3. The printing die 5 is fixed by being magnetically attached to. The magnet 3 is preferably fixed to the second surface 2b by screws and / or an adhesive from the viewpoint that the second surface 2b of the leaf spring member 2 and the magnet 3 can be firmly fixed. In the printing mold fixture 1 according to the present embodiment, a rectangular magnet 3 is fixed on the second surface 2b with a screw 22 and an adhesive. The magnet 3 is selected to have a characteristic that can securely fix the printing mold 5 on the mold fixing plate 6, specifically, adsorption of a rare earth magnet such as a samarium cobalt magnet or a neodymium magnet, or an alnico magnet. A strong magnet is used. In particular, when a foil stamping plate or an embossing plate is used as the printing die 5, a samarium cobalt magnet having heat resistance is preferably used because the die fixing platen 6 is heated and heated. The size of the magnet 3 is selected so as to have a magnetizing force sufficient to stably fix the printing die 5 on the die fixing platen 6.

  In order to increase the magnetizing force of the magnet 3, the magnet 3 can be provided with a yoke. The yoke is provided by separately arranging a member made of a magnetic material on the leaf spring member 2 or the magnet 3, and both ends of the second surface 2 b of the leaf spring member 2 to which the magnet 3 is fixed are attached to the magnet 3. It is possible to bend and provide with respect to the bending part 2c so that both the side surfaces may be covered. In the present embodiment, the leaf spring member 2 is formed of a magnetic steel plate, and both end portions of the second surface 2b of the leaf spring member 2 are bent substantially perpendicularly to the bent portion 2c. A yoke portion 23 is configured to cover both side surfaces. By providing the yoke portions 23 that cover both side surfaces of the magnet 3, the magnetic force lines of the magnet 3 can be concentrated on the yoke portion 23 to increase the magnetic adhesion force.

  In the present embodiment, the length of the yoke portion 23 is the thickness of the magnet 3 so that the magnet 3 is separated from the mold fixing plate 6 when the printing die fixture 1 is magnetically attached to the mold fixing plate 6. It is comprised so that it may become longer. Therefore, when the printing mold 5 is fixed to the mold fixing plate 6, not the bottom surface of the magnet 3 but the end of the yoke portion 23 comes into contact with the mold fixing plate 6. The magnet 3 can be prevented from being damaged. In addition, the structure which bends the both ends of the 2nd surface 2b of the above-mentioned leaf | plate spring member 2 substantially perpendicularly, covers both the side surfaces of the magnet 3, and makes the length of the covered part longer than the thickness of the magnet 3 is the structure. The leaf spring member 2 may be formed of a nonmagnetic material. In that case, since the bent end portion of the second surface 2b contacts the mold fixing platen 6, the impact on the magnet 3 can be prevented, and the magnet 3 can be prevented from being damaged.

  As shown in FIG. 2, the printing mold fixture 1 can be provided with an alignment guide 24 for facilitating alignment of the printing mold 5 on the mold fixing platen 6. . The alignment guide 24 is provided at a position where the printing mold 5 can be aligned with a predetermined position on the mold fixing plate 6, for example, the center of the mold fixing plate 6. In the present embodiment, since the alignment guide provided on the printing mold 5 is provided at the center of each side of the printing mold 5, the alignment guide 24 of the printing mold fixture 1 is provided. Is also provided at the center in the longitudinal direction of the printing mold fixture 1.

  As the printing mold 5, a sealing blade mold used for sealing a printed material, a foil pressing plate used for foil pressing (hot stamping), and an embossing plate used for embossing are used. The printing die 5 is made of a metal such as zinc, copper, or aluminum, a resin, wood, and a combination of these materials, and is mainly made of a nonmagnetic material. Note that iron of a magnetic material may be used for the punching blade of the sealing blade type. On the other hand, as the mold fixing platen 6, a chess for fixing a sealing blade die, a hot plate for fixing a foil pressing plate and an embossing plate used for embossing are used. The mold fixing platen 6 is made of a magnetic material for magnetizing the magnet 3 of the printing mold fixture 1, but the surface of the mold fixing platen 6 for fixing the printing die 5 is made of a nonmagnetic material. And a structure in which a magnetic material is embedded in the mold fixing platen 6 can be used.

  Next, a method of using the printing mold fixture 1 in this embodiment will be described. As shown in FIGS. 1 and 3, the printing mold fixture 1 according to the present embodiment can be used as it is without processing the printing mold 5 that has been conventionally used. The printing mold fixture 1 can be engaged and fixed at an arbitrary position on the outer edge of the mold 5. FIG. 1 shows that the printing mold fixture 1 is arranged on each side of the printing mold 5, but only on the two opposing sides of the printing mold 5. It is also possible to arrange and fix the printing mold fixture 1. Further, two or more printing mold fixtures 1 may be arranged on each side of the printing mold 5. Furthermore, the printing mold fixture 1 may be disposed at a position displaced from the center of each side of the printing mold 5, and depending on the shape of the printing mold 5, printing may be performed at the corners. The mold fixture 1 may be arranged.

  As shown in FIGS. 1 and 3, when using the printing mold fixture 1 according to the present embodiment, the printing mold 5 is placed on the mold fixing platen 6 and then the printing mold. The mold fixture 1 is disposed on each side of the printing mold 5, the magnet 3 of the printing mold fixture 1 is magnetized on the mold fixing plate 6, and the locking portion 20 is attached to the printing mold. Engage with outer edge. The printing mold 5 on the mold fixing plate 6 is pressed and fixed to the surface of the mold fixing plate 6 by the locking portion 20 of the printing mold fixing tool 1. When the printing mold 5 is fixed to the mold fixing plate 6, the alignment guide 24 provided in the printing mold fixture 1 is used as the center line on the mold fixing plate 6 and the center of the printing mold 5. By fixing the printing die 5 in line with the line, the positioning of the printing die 5 can be easily performed.

  When removing the printing mold 5 fixed on the mold fixing plate 6, the magnetic adhesion between the magnet 3 of the printing mold fixture 1 and the mold fixing plate 6 is eliminated, that is, the mold. The printing die fixture 1 can be removed from the fixed plate 6 by picking it up with a finger and lifting it. When removing the printing mold fixture 1 from the mold fixture 6, the finger 3 is hooked on the free end 21 of the printing mold fixture 1 to lift the magnet 3 from the mold fixture 6, or Then, press the surface of the free end portion 21 with the finger toward the mold fixing platen 6 to lift the magnet 3 from the mold fixing platen 6. Easy to remove.

  Next, a printing mold fixture 100 according to a second embodiment of the present invention will be described with reference to FIGS. 4 and 5.

  As shown in FIGS. 4 and 5, the printing mold fixture 100 according to the present embodiment includes a leaf spring member 102 formed by bending a thin plate into a substantially U-shaped cross section, and a leaf spring member 102. It is mainly composed of a fixed magnet 103. The leaf spring member 102 includes a first surface 102a, a second surface 102b, a bent portion 102c that connects the first surface 102a and the second surface 102b and has a substantially U-shaped bent cross section. The magnet 103 is fixed on the second surface 102b. The first surface 102a of the leaf spring member 102 is provided with a locking portion 120 that extends on the same plane as the first surface 102a at the end opposite to the bent portion 102c. Furthermore, the first surface 102a is provided with free end portions 121 extending on the same plane as the second surface 102b at both ends in the longitudinal direction perpendicular to the bending direction of the leaf spring member 102, respectively. Yes. In the present embodiment, the printing mold fixture 100 as a whole is formed symmetrically with respect to a direction perpendicular to the bending direction of the leaf spring member 102, that is, a line that bisects the longitudinal direction. .

  The leaf spring member 102 of the printing mold fixture 100 will be described in more detail with reference to FIGS. 4 and 5. The leaf spring member 102 is formed by bending a thin plate formed in a predetermined shape into a substantially U-shaped cross section. The first surface 102a and the second surface 102b are formed by bending the thin plate, and the first surface 102a and the second surface 102b are folded with a substantially U-shaped cross section to connect them. A curved portion 102c is formed. The first surface 102a, the bent portion 102c, and the second surface 102b formed in this way allow the leaf spring member 102, specifically, a locking portion 120 of the leaf spring member 102 described later, to be a printing mold. The elastic force which presses the outer edge part of 105 arises. In the present embodiment, the distance between the first surface 102a and the second surface 102b is narrower on the end portion side opposite to the bent portion 102c than on the bent portion 102c side. When the locking portion 120 provided on the first surface 102a presses and fixes the outer edge portion of the printing mold 105, the first surface 102a is connected to the second surface 102b. It is adjusted to be substantially parallel.

  Next, the locking part 120 provided in the leaf spring member 102 will be described with reference to FIGS. 4 and 5. In this embodiment, the first surface 102a of the leaf spring member 102 has a locking portion that extends in a rectangular shape on the same plane as the first surface 102a at the end opposite to the bent portion 102c. Two 120 are provided. The locking portion 120 is designed to engage with the outer edge portion of the printing mold 105 and press the outer edge portion, thereby locking the printing mold 105 to the mold fixing plate 106. In the present embodiment, the locking portion 120 is formed of a rectangular locking piece, one in a portion slightly separated from the central portion in the longitudinal direction of the leaf spring member 102, and a length perpendicular to the bending direction of the leaf spring member 102. Another one is provided at a line-symmetrical position with respect to a line that bisects the direction. Thus, by providing a plurality of locking portions 120 symmetrically with respect to a line that bisects the longitudinal direction, the outer edge portion of the printing mold 105 can be reliably pressed and fixed. Even in the case where the thickness of the printing mold 105 is uneven, the printing mold 5 can be pressed by the plurality of engaging portions 120, so that the printing mold 105 can be stably attached to the mold fixing plate 106. Can be fixed to. Further, unlike the present embodiment, the locking portion 120 is not provided in the central portion in the longitudinal direction, so that the central position guide (center registration mark) provided in the printing die 105 can be confirmed while checking the printing die. Can be aligned.

  As shown in FIG. 5, the locking portion 120 of the printing mold fixture 100 engages with the outer edge portion of the printing mold 105 and presses and fixes the outer edge portion toward the mold fixing platen 106. The height position of the locking portion 120 is adjusted by the bending angle of the leaf spring member 102 and the thickness of the magnet 103 fixed to the leaf spring member 102. Specifically, the engaging portion 120 is engaged with the outer edge portion of the printing mold 105 so as to be pressed from the bottom of the printing mold fixture 100 rather than the thickness of the printing mold 105. The height up to the stop 120 is adjusted to be slightly lower.

  Next, the free end 121 provided on the leaf spring member 102 will be described with reference to FIG. As the magnet 103 provided in the printing mold fixture 100 of the present invention, a magnet having a strong attractive force is used in order to securely fix the printing mold 105 to the mold fixing plate 106. Therefore, the free end 121 is provided so that the printing mold fixture 100 in which the printing mold 105 is fixed to the mold fixing plate 106 can be easily removed. In the present embodiment, the free ends 121 are formed at both ends of the second surface 102b in the direction orthogonal to the bending direction of the leaf spring member 102, and are on the same plane as the second surface 102b, respectively. It is comprised from the rectangular thin plate piece extended like a blade | wing. As described above, the free end 121 is provided in the same plane as the second surface 102 b of the leaf spring member 102, whereby the printing mold fixture 100 can be removed by hooking the fingertip on the free end 121. Further, since the free end 121 is provided in the same plane as the second surface 102b at a position lower than the first surface 102a, the free end 121 interferes with the punching blade 150 and the foil stamping plate of the printing mold 105. It is possible to design the length of the free end 121 longer. Therefore, by designing the length of the free end portion 121 to be long, the distance between the free end portion 121 that hooks a finger, which is a power point in the lever principle, and the end portion of the magnet 103 that is a fulcrum point in the lever principle is gained. Therefore, the printing mold fixture 100 can be detached from the mold fixing plate 106 with a small force. In this case, the printing mold fixing tool 100 can be detached from the mold fixing plate 106 with a small force by pushing the surface of the free end 121 in the direction of the mold fixing plate 106 with a finger. .

  Next, the magnet 103 constituting the printing mold fixture 100 will be described. As shown in FIGS. 4 and 5, the magnet 103 is fixed to the second surface 102 b of the leaf spring member 102, and the printing mold fixture 100 is attached to the mold fixing plate 106 by the magnetic force of the magnet 103. The printing die 105 is fixed by magnetizing. In the printing mold fixture 100 according to this embodiment, a rectangular magnet 103 is fixed to the second surface 102b with an adhesive. The magnet 103 is selected to have a property that can securely fix the printing die 105 on the die fixing platen 106. Specifically, the magnet 103 adsorbs a rare earth magnet such as a samarium cobalt magnet or a neodymium magnet, or an alnico magnet. A strong magnet is used. Further, the size of the magnet 103 is selected so as to have a magnetizing force enough to stably fix the printing die 105 on the die fixing platen 106. Furthermore, an impact absorbing material 130 for absorbing an impact received when the magnet 103 abuts on the mold fixing platen 106 is disposed at the bottom of the magnet 103 of the present embodiment. Specifically, as the shock absorbing material 130, cardboard, a thin piece of resin, a resin film, a silicon sheet, or the like is used. Thereby, the impact applied to the magnet 103 can be prevented, and damage to the magnet 103 can be prevented.

  As shown in FIGS. 4 and 5, a nonmagnetic material 104 is fixed to the second surface 102 b of the leaf spring member 102 of the present embodiment along the bent portion 102 c side in addition to the magnet 103. Yes. By disposing the non-magnetic material 104 on a side different from the locking portion 120 of the second surface 102b of the leaf spring member 102, a high magnetic field on the locking portion 120 side for securely fixing the printing mold 105 is provided. It is possible to weaken the magnetic adhesion force of the surface magnetically attached to the mold fixing plate 106 while maintaining the adhesion force. Therefore, even when a magnet having a strong magnetic force such as a rare earth magnet is used, the printing mold fixture 100 can be easily removed. Although it does not specifically limit as the nonmagnetic material 104, Nonmagnetic metals, such as aluminum, resin, etc. are used. Further, in this embodiment, the non-magnetic body 104 is disposed along the bent portion 102c of the leaf spring member 102, but is disposed along the side surface of the second surface 102b with respect to the bent portion 102c. May be.

  In addition, the other description regarding the structure of the printing die fixing tool 100 is the same as that of the case of 1st Embodiment mentioned above, The effect is also the same.

  Next, a method for using the printing mold in the present embodiment will be described. The printing mold fixture 100 according to the present embodiment can be used as it is without processing the printing mold 105 that has been used in the past, and any position of the outer edge of the printing mold 105 can be used. Thus, the printing mold fixture 100 can be engaged and fixed.

  When the printing mold fixture 100 according to the present embodiment is used, the printing mold 105 is placed on the mold fixing plate 106 and then the printing mold fixture 100 is attached to the printing mold 105. The magnet 103 of the printing mold fixture 100 is magnetized on the mold fixing plate 106, and the locking portion 120 is engaged with the outer edge of the printing mold. The printing mold 105 on the mold fixing plate 106 is pressed and fixed in the surface direction of the mold fixing plate 106 by the locking portion 120 of the printing mold fixing tool 100.

  When removing the printing mold 105 fixed on the mold fixing plate 106, the magnetic adhesion between the magnet 103 of the printing mold fixture 100 and the mold fixing plate 106 is eliminated. The printing mold fixture 100 can be removed from the stationary platen 106 by picking it up with a finger and lifting it. When removing the printing mold fixture 100 from the mold fixture 106, the fingertip is hooked on the free end 121 of the printing mold fixture 100 and the magnet 103 is lifted from the mold fixture 106. Alternatively, a printing mold fixture 100 fixed on the mold fixing plate 106 by pressing the surface of the free end 121 with the finger toward the mold fixing plate 106 and lifting the magnet 103 from the mold fixing plate 106. Can be easily removed.

  Furthermore, the other description regarding the usage method and handling method of the printing die fixing tool which concerns on this embodiment is the same as that of 1st Embodiment mentioned above, The effect is also the same.

  The present invention is not limited to the above-described embodiments, and various design changes within the scope not departing from the gist of the invention described in the claims are also included in the technical scope.

DESCRIPTION OF SYMBOLS 1,100 Printing die fixing tool 2,102 Leaf spring member 2a, 102a 1st surface 2b, 102b 2nd surface 2c, 102c Bending part 20, 120 Locking part 21, 121 Free end part 22 Adjustment means (screw)
23 Yoke part 24, 124 Position alignment guide 3, 103 Magnet 130 Shock absorber 104 Non-magnetic material 5, 105 Printing die 50, 150 Punching blade 6, 106 Mold fixing platen

Claims (7)

A printing mold fixture for fixing a printing mold to a mold fixing plate,
A thin plate-like leaf spring member comprising a first surface, a second surface, the first surface, and the second surface, and a bent portion having a substantially U-shaped bent section. When,
A magnet fixed to the second surface of the leaf spring member and magnetizable to the mold fixing platen;
The said plate spring member, which is configured to the outer edge portion of the printing die to engage at least a portion of the outer edge portion of the printing die so as to press said mold stationary platen direction, the A locking portion extending from an end of the first surface opposite to the bent portion ;
Print mold fixture, characterized in that a free end configured to be able to hook the finger, is provided.   The printing mold fixture according to claim 1, wherein the free end portion is provided on the same plane as the first surface.   The printing mold fixture according to claim 1, wherein the free end portion is provided on the same plane as the second surface.   The printing mold fixture according to any one of claims 1 to 3, wherein the leaf spring member includes an adjusting means for adjusting a height position of the locking portion.   The leaf spring member is made of a magnetic material, and the leaf spring member is provided with yoke portions that are bent at both ends with respect to the bent portion of the second surface so as to cover both sides of the magnet. The printing die fixture according to any one of claims 1 to 4, wherein the printing die fixture is provided.   The yoke portion is longer than the thickness of the magnet so that the magnet is separated from the die fixing plate when the printing die fixture is magnetically attached to the die fixing plate. 6. The mold fixing tool for printing according to claim 5, wherein the length is long. 7. The device according to claim 1, further comprising a nonmagnetic material fixed to the second surface on a side different from the locking portion of the second surface. Mold fixture for printing.

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