JP4126266B2 - Mold joining device - Google Patents

Description

  The present invention is used when, for example, an adhesive is interposed between the mating surfaces of a pair of upper and lower shell molds composed of a half-shaped upper mold and a lower mold, and the upper mold and the lower mold are held while being pressed against each other. The present invention relates to a mold bonding apparatus.

  Conventionally, as this type of mold joining device, a plurality of mounting rods capable of placing the lower surface of the lower mold of the mold formed by combining the upper and lower molds, and the upper surface of the upper mold can be pressed. A structure having a plurality of pressing rods is known.

  Thus, for example, a halved lower mold is placed on a plurality of mounting rods, an adhesive is applied to the mating surface of the lower mold, and the mating surface of the upper mold is aligned with the mating surface of the lower mold. The upper surface of the upper mold is pressed by a plurality of pressing rods, whereby the mold is clamped and held by the pressing rod and the mounting rod, and the pair of upper and lower molds are joined by an adhesive.

JP-A-6-198389

  However, in the case of the above conventional structure, although the pressing position of the upper surface of the upper mold of the plurality of pressing rods is determined in advance by the shape of the mold, the variation in the shape of the upper surface of the mold is unavoidable in manufacturing. There is an inconvenience that the mold may be cracked or chipped.

The present invention aims to solve these disadvantages. Among the present inventions, the invention according to claim 1 is directed to the lower mold of a mold formed by combining a half-shaped upper mold and a lower mold. A plurality of mounting rods on which the lower surface can be mounted, an upper positioning member that can be moved up and down above the upper mold, and a plurality that can press the upper surface of the upper mold provided on the upper positioning member Provided with a floating mechanism for allowing the lower end of the pressing rod to float, and as the floating mechanism, an upper positioning hole into which the pressing rod can be inserted and removed is formed in the upper positioning member, A fastening pin is inserted into the upper end portion of the pressing rod to engage the lower folded portion of the substantially U-shaped spring member, and locking bent portions are formed at both free end portions of the spring member, and the upper positioning member The spring member and the upper end portion of the pressing rod are loosely inserted into the upper positioning hole from below, and the spring member Certain Kakaritomeori curved portion in the mold joint and wherein the engaging be configured on edges of the positioning hole.

  The invention according to claim 2 is characterized in that a pressing mechanism capable of pressing the upper surface of the upper mold is provided on the plurality of pressing rods, and the invention according to claim 3 is provided. The plurality of mounting rods are provided with an elastic support mechanism capable of elastically supporting the lower surface of the lower mold.

According to a fourth aspect of the invention, the upper positioning member is formed with a plurality of positioning holes into which the pressing rod can be inserted and removed , and the invention according to the fifth aspect. Is provided with a lower positioning member having a plurality of positioning holes through which the plurality of mounting rods can be inserted and removed. A vertical movement mechanism for moving the pressing rod up and down is provided.

As described above, the present invention provides a plurality of mounting rods on which the lower surface of the lower mold of the mold formed by combining the upper half mold and the lower mold can be placed. An upper positioning member provided at an upper position of the upper mold so as to be movable up and down, and a plurality of pressing rods capable of pressing the upper surface of the upper mold provided on the upper positioning member, and a lower end portion of the pressing rod Provided with a floating mechanism, and as the floating mechanism, an upper positioning hole into which the pressing rod can be inserted and removed is formed in the upper positioning member, and a fastening pin is inserted into the upper end portion of the pressing rod. Engaging the lower folded portion of the substantially U-shaped spring member to form a locking bent portion at both free end portions of the spring member, and the spring member and the pressing rod from below into the upper positioning hole of the upper positioning member The upper end of the spring member is loosely inserted, and the locking bent portion of the spring member is engaged with the upper edge of the positioning hole. Since then comprising, placing the lower mold on a plurality of mounting置杆, artificially or automatically applying an adhesive to the mating surface of the lower mold, the combined upper mold mating surface of the lower mold The upper mold and the lower mold are clamped and held by the mounting rod and the pressing rod, and the pair of upper and lower molds are bonded by an adhesive. In this case, when there is a variation in molding on the upper surface of the upper mold, the lower end of the pressing rod will be floated by the floating mechanism, so that cracking and chipping of the mold can be prevented. The mold and the lower mold can be joined well.

  In the invention according to claim 2, since a pressing mechanism capable of pressing the upper surface of the upper mold is provided on the plurality of pressing rods, an excessive pressing force of the pressing rod on the upper surface of the upper mold is provided. In the invention according to claim 3, the elastic support mechanism capable of elastically supporting the lower surface of the lower mold on a plurality of mounting rods. Therefore, it is possible to prevent an excessive pressing force of the placing rod on the lower surface of the lower mold, and it is possible to prevent the mold from being cracked or broken.

According to a fourth aspect of the present invention, a plurality of positioning holes into which the pressing rod can be inserted and removed are formed in the upper positioning member. Therefore, a plurality of positioning holes formed in the upper positioning member. By selecting a positioning hole at a position corresponding to the shape of the upper surface of the upper mold, and inserting and placing a plurality of mounting rods in the selected positioning hole, it is possible to cope with molds of various shapes. In the invention according to claim 5, the lower positioning member is provided with a lower positioning member having a plurality of positioning holes into which the plurality of mounting rods can be inserted and removed. By selecting a positioning hole at a position corresponding to the shape of the bottom surface of the lower mold from the plurality of positioning holes formed on the mold, and inserting and placing a plurality of mounting rods in the selected positioning hole, the molds of various shapes High flexibility Rukoto can also, in the invention described in claim 6, because formed by providing a vertical movement mechanism for vertically moving the plurality of pressing lever, we are possible to improve the bonding workability.

1 to 8 show an embodiment of the present invention. Reference numeral 1 denotes a machine base, 2 denotes a mounting rod, 3 denotes a pressing rod, and the mounting rod 2 includes a half-shaped upper mold W ₁ and formed a bottom surface of the lower mold W ₂ of mold W to be combined under a template W ₂ to be placed, also, the pressing lever 3 is formed with an upper surface of the upper mold W ₁ to be pressed, as shown in FIG. 7, this A lower positioning member 4 is installed on the machine base 1, and a plurality of lower positioning holes 4 a into which the mounting rod 2 can be inserted and removed are formed in the lower positioning member 4.

  Reference numeral 5 denotes a vertical movement mechanism. In this case, a gantry member 6 is erected on the machine base 1, and an upper and lower pedestal 7 is provided on the gantry member 6 so as to be movable up and down by a guide shaft 8. A cylinder 9 is arranged, and an upper positioning member 10 is installed on the upper and lower bases 7, and a plurality of upper positioning holes 10a into which the pressing rod 3 can be inserted and removed are formed in the upper positioning member 10 as shown in FIG.

  Reference numeral 11 denotes a floating mechanism. In this case, as shown in FIGS. 2, 3, and 4, the fastening pin 12 is inserted into the upper end portion of the pressing rod 3 so that the lower folded portion 13 a of the substantially U-shaped spring member 13 is provided. The engaging bent portions 13b and 13b are formed at both free ends of the spring member 13, and the upper end portions of the spring member 13 and the pressing rod 3 are allowed to enter the upper positioning hole 10a of the upper positioning member 10 from below. The engaging bent portions 13b and 13b of the spring member 13 are engaged with the upper edge portion of the positioning hole 10a, and thereby the lower end portion of the pressing rod 3 is provided so as to be floatable and insertable.

  In this case, as shown in FIG. 2, a plurality of pressing rods 3 are formed by an upper cylinder member 3a and a lower rod member 3b, and a lower rod member 3b is formed below the upper cylinder member 3a. A locking portion 3d that is provided so as to be slidable in the vertical direction and that can be locked to a locking portion 3c below the upper cylinder member 3a is formed at the upper end of the lower collar member 3b, and the upper cylinder member 3a and the lower collar member 3b An elastic spring 3e is hung between them, and a step surface 3f that can contact the lower surface of the upper positioning member 10 when the pressing rod 3 is raised by the elastic force of the mold is formed on the upper portion of the pressing rod 3. .

  Reference numeral 15 denotes an elastic support mechanism. In this case, as shown in FIG. 6, the plurality of mounting rods 2 are formed by a lower cylinder member 2a and an upper collar member 2b, and an upper collar member is formed below the lower cylinder member 2a. 2b is provided so as to be slidable up and down, and a locking portion 2d that can be locked to a locking portion 2c at the lower portion of the lower cylinder member 2a is formed at the lower end of the upper flange member 2b, and the lower cylinder member 2a and the upper flange member 2b An elastic spring 3e is hung between them, and a step surface 2f that can contact the upper surface of the positioning hole 4a of the lower positioning member 4 is formed in the lower portion of the mounting rod 2.

Embodiment of this implementation because it is the configuration, select the positioning hole 4a of the position corresponding to the shape of the bottom surface of the lower mold W ₂ among the plurality of positioning holes 4a formed in the lower positioning member 4, selected the a plurality of mounting置杆2 inserted is disposed in the positioning holes 4a, and the positioning of the position corresponding to the shape of the upper surface of the upper mold W ₁ from among a plurality of positioning holes 10a formed in the upper positioning member 10 The hole 10a is selected, a plurality of mounting rods 2 are inserted and arranged in the selected positioning hole 10a, the lower mold W ₂ is mounted on the mounting rod 2, and the artificial surface is placed on the mating surface of the lower mold W ₂ Applying adhesive automatically or automatically, aligning the mating surface of the upper mold W _{1 with} the mating surface of the lower mold W ₂ , and lowering the plurality of pressing rods 3 by the vertical movement cylinder 9 of the vertical movement mechanism 5, the plurality of pressing lever 3 presses the upper surface of the upper mold W _1, upper mold W ₁及The lower mold W ₂ is held between the mounting rod 2 and the pressing rod 3 and the pair of upper and lower molds W are joined by an adhesive. At this time, the molding variation on the upper surface of the upper mold W ₁ , etc. when occurs, as shown in FIG. 8, the floating mechanism 11 will be the lower end of the pressing lever 3 is floating, this makes it possible to prevent cracking and loss of mold W, upper mold W ₁ and the lower Bonding with the mold W ₂ can be performed satisfactorily.

Further, in this case, because formed by providing the above on the template W repressive mechanism 14 capable oppression the upper surface of _one of the above plurality of the pressing lever 3, an excessive pressing force of the pressing lever 3 to the upper surface of the upper mold W ₁ In this case, an elastic support mechanism 15 capable of elastically supporting the lower surface of the lower mold W ₂ is provided on the plurality of mounting rods 2. Therefore, an excessive pressing force of the placing rod 2 on the lower surface of the lower mold W ₂ can be prevented, and cracking or chipping of the mold W can be prevented.

In this case, since the upper positioning member 10 having a plurality of positioning holes 10a into which the plurality of pressing rods 3 can be inserted and removed is provided, a plurality of positioning holes 10a formed in the upper positioning member 10 are provided. the upper positioning hole 10a at a position corresponding to the upper surface shape of the mold W ₁ is selected, corresponds to the template W of various shapes by inserting disposed a plurality of mounting置杆2 into the positioning holes 10a selected from among In this case, the lower positioning member 4 having the plurality of positioning holes 4a through which the plurality of mounting rods 2 can be inserted and removed is provided. select positioning hole 4a of the position corresponding to the shape of the bottom surface of the lower mold W ₂ among the plurality of positioning holes 4a formed on the 4, insert disposed a plurality of mounting置杆2 into the positioning holes 4a selected By casting various shapes It is possible to cope with the mold W and increase flexibility. In this case, since the vertical movement mechanism 5 for moving the plurality of pressing rods 3 up and down is provided, the joining workability is improved. Can do.

  The present invention is not limited to the above embodiment, and the structure and form of the mounting rod 2, the pressing rod 3, and the floating mechanism 11 are appropriately changed and designed.

  As described above, the intended purpose can be sufficiently achieved.

It is a front view of the example of an embodiment of the invention. It is a fragmentary sectional view of the example of an embodiment of the invention. It is a fragmentary sectional view of the example of an embodiment of the invention. It is a fragmentary sectional view of the example of an embodiment of the invention. It is a fragmentary top view of the example of an embodiment of the invention. It is sectional drawing of the embodiment of this invention. It is a top view of the example of an embodiment of the invention. It is a fragmentary sectional view of the example of an embodiment of the invention.

W mold W ₁ upper mold W ₂ lower mold 2 mounting rod 3 pressing rod 4 lower positioning member 4a positioning hole 5 vertical movement mechanism 10 upper positioning member 10a upper positioning hole 11 floating mechanism
12 Fastening pin 13 Spring member
13a lower folded part
13b Locking bent portion 14 Repression mechanism 15 Elastic support mechanism

Claims (6)

A plurality of mounting rods capable of mounting the lower surface of the lower mold of the mold formed by combining the upper mold and the lower mold, and an upper positioning member provided vertically above the upper mold; And a floating mechanism for allowing the lower end of the pressing rod to float freely, comprising a plurality of pressing rods capable of pressing the upper surface of the upper mold provided on the upper positioning member. An upper positioning hole into which the pressing rod can be inserted and removed is formed in the upper positioning member, a fastening pin is inserted into the upper end portion of the pressing rod, and the lower folded portion of the substantially U-shaped spring member is engaged. A locking bent portion is formed at both free ends of the upper positioning member, and the spring member and the upper end portion of the pressing rod are inserted into the upper positioning hole of the upper positioning member from below to position the locking bent portion of the spring member. A mold bonding apparatus characterized by being configured to engage with an upper edge portion of a hole .   2. The mold bonding apparatus according to claim 1, wherein a pressing mechanism capable of pressing the upper surface of the upper mold is provided on the plurality of pressing rods.   The mold joining apparatus according to claim 1 or 2, wherein an elastic support mechanism capable of elastically supporting the lower surface of the lower mold is provided on the plurality of mounting rods. 4. The mold joining apparatus according to any one of claims 1 to 3, wherein a plurality of positioning holes into which the pressing rods can be inserted and removed are formed in the upper positioning member .   The mold joining apparatus according to claim 1, further comprising a lower positioning member having a plurality of positioning holes into which the plurality of mounting rods can be inserted and removed.   The mold joining apparatus according to any one of claims 1 to 5, further comprising a vertically moving mechanism for vertically moving the plurality of pressing rods.

Images