JPH0390304A - Mold - Google Patents

Abstract

PURPOSE:To easily take a molded item out of a mold by a method wherein molding material filling part, which corresponds to the shape of the molded item is formed at the predetermined position under the condition that two mold members are detachably engaged with each other. CONSTITUTION:Molds 12 are installed in a positioning holder 50. Concretely, the mold main bodies 16 of each mold 12 are inserted in the mold inserting parts 68 of the positioning holder 50 and the supporting members 26 of the mold 12 are the recesses 66 of the positioning holder 50. Molding material such as clay-like substance of the like consisting of the material for golf tee 100 is filled in each molding material filling part 24 of the mold 12. The molding material in the molding material filling part 24 is pressed from above with each molding pin 72 of a punch 70. After that, the molding pin 72 is drawn out of the mold 12. Next, the mold 12 is removed from the positioning holder 50. In this case, by pulling the fixing blocks 52 and 54 of the positioning holder 50 out of a vise so as to produce gaps among respective guide blocks 56a-56f, the molds 12 can be easily removed from the positioning holder 50.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a mold, for example, a mold for shaping the bottom of a golf tee.

(Prior art) The conventional golf tee molded product, which is the background of this invention, is made by filling a mold with a molding material, pressing it, drying it, and solidifying it.
The bottom is shaped by removing it from the mold.

(Problems to be Solved by the Invention) However, since the molded product adheres closely to the mold, it has been difficult to take it out from the mold immediately.

Therefore, the main object of this invention is to provide a mold from which the molded article can be easily removed.

(Means for Solving the Problems) This invention provides two parts that are formed to be engageable and made of synthetic resin.
The two mold members are formed in a predetermined position and removably in the engaged state, and the two mold members are formed in the shape of the molded product in the engaged state. This is a mold in which a molding material filling portion corresponding to the molding material is formed.

(Function) When the two mold members are put together, the molding material filling part is filled with:
Filled with molding material and pressed. After the molding material is dried and solidified, the two mold members are separated and the molded product is taken out.

(Effects of the Invention) According to the present invention, the mold member can be divided to take out the molded product, so even if the molded products are in close contact with each other, the molded product can be easily taken out.

The above objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

(Embodiment) Figures 1A to 1C are diagrams showing one embodiment of the present invention, in which Figure 1A is a front view thereof, Figure 1B is a plan view thereof, and Figure 1C is a diagram showing an embodiment of the present invention. FIG. 3 is a cross-sectional view taken along line ICIC shown in the figure.

The present invention relates to molds, and in this embodiment, a mold using a mold for molding a golf tee, for example, will be described.

The mold 10 comprises a mold 12, which comprises two mold parts 14.14 of symmetrical construction.

This mold member 14 is particularly suitable for the golf tee 100 shown in FIG.
The mold body 16 includes, for example, three mold bodies 16 for molding a semi-cylindrical head 18, which
A substantially semi-cylindrical leg portion 20 whose lower end is tapered
is formed.

The leg portion 20 is formed to have a smaller diameter than the head portion 18, and a tip portion 22 in the shape of an inverted conical cylinder is formed at its lower end. Furthermore, a very small semi-cylindrical notch 22a is formed in the lower part of the pointed end 22 for molding, especially for removing air.

Therefore, the mold body 16 is formed with a molding material filling portion 24 having the same shape and size as the golf tee 100 cut vertically into two. In addition, the head 1 of the mold body 16
As shown in FIG. 1C, the inner circumferential surface of the upper end of 8 is provided with a sloped portion 24a for facilitating insertion of a punch.

These three mold bodies 16 are connected by, for example, a plate-shaped support member 26. In this case, three mold bodies 16
are connected side by side and in parallel at a predetermined interval. Note that the number of mold bodies 16 to be connected may be changed arbitrarily.

Further, both ends 26a and 26b in the longitudinal direction of this support member 26 are bent at appropriate angles to accommodate the protrusion of the mold body 16, respectively.

Furthermore, a bottle 28 with a circular cross section, which constitutes one of the retaining means, is formed on one end of the support member 26 in the longitudinal direction and on the concave surface side of the mold body 16, and a bottle 28 and a bottle 28 are formed on the other end. A hole 30 constituting the other of the engagement means having substantially the same diameter is formed.

The mold member 14 is made of, for example, a hard plastic material that does not undergo plastic deformation even when pressurized at room temperature, and is integrally formed with a press bottom shape.

Then, the opposing bins 28 of the two mold members 14.14
By fitting the holes 30 and 30 together, the two molding material filling portions 24 have substantially the same shape and size as, for example, the golf tee 100. Note that instead of the pin 28 and the hole 30 as the retaining means, for example, two mold members 14, 14 are used.
The ends may be connected by a hinge.

Next, a positioning holder for positioning the mold 12 at the punch position will be described with reference to FIGS. 2A to 2F and FIG. 3.

This positioning holder 50 includes, for example, two fixing blocks 52 and 54 that are approximately T-shaped in cross section and of the same size. These two fixing blocks 52 and 54
is made of a hard metal such as die steel or special tool steel.

Further, between the two fixing blocks 52 and 54, for example, six guide blocks 56a, 56b, 5
6c, 56d, 56e and 56f are arranged side by side. These guide blocks 56a to 56f are made of hard metal such as die steel or special tool steel.

Two, for example, circular through holes 57 are formed approximately in the center of these guide blocks 56a to 56f at appropriate intervals in the width direction, and these through holes 57 include:
As shown in FIG. 2E, a slide bin 58 having a circular cross section is slidably inserted.

Further, the fixing block 52 and the guide block 56f are formed by, for example, three fixing screws 55a and 55 shown in FIG. 2B.
b and fixed at 55c. In this case, the fixing screw 55
a is formed at the upper center of the fixing block 52, and fixing screws 55b and 55c are formed at the lower center of the fixing block 52 at appropriate intervals. Similarly, the fixing block 54 and the guide block 56a are fixed with three fixing screws 55a, 55b and 55c.

Note that these fixing blocks 52 and 54 are provided with a vice fixing hole 59 for fixing them to a vise (not shown). For example, a screw (not shown) is inserted through the vice fixing hole 59, and the fixing blocks 52 and 54 are fixed to the mouth of the vice (not shown). Further, the vice is formed so that it can be pulled out in the longitudinal direction of the positioning holder 50 from both sides of the fixing blocks 52 and 54 by a device having, for example, a hydraulic mechanism.

Further, the guide blocks 56a and 56b are formed using, for example, two screws 60, as shown in FIGS. 2C and 2F.
are connected. These two screws 60 are formed at intervals between the slide bins 5B and 58. Also,
These two screws 60 are inserted from the lower end of the guide block 56a.
The height from the lower end of the guide block 56a to the slide bin 58 is the same as the height from the lower end of the guide block 56a to the slide bin 58.

In this case, a cylindrical recess 61a, for example, is formed in the center of the guide block 56a, opening from one end (fixing block 52 side) to the other end and having a predetermined length.
A screw hole 61b communicating with this recessed portion 61a is formed from the recessed portion 61a to the other end of the guide block 56a. Furthermore, the guide block 56b has a screw hole 61.
A screw hole 61c is formed with a predetermined length on the same straight line as b.

Note that the fixing block 52 has a head 60a of a screw 60.
A return hole 61d is formed. The return hole 61d is formed to have the same size as the diameter of the recessed portion 61a, and
It is formed on the same straight line as the recessed portion 61a.

Then, the screw 60 is inserted through this recessed part 61a,
The tip 60b of the screw 60 is screwed into the screw hole 61C and fixed to the guide block 56b. At this time, screw 6
The head 60a of No. 0 is fixed at a position where its tip slightly enters the return hole 61d of the guide block 56a. Similarly, the guide blocks 56f and 568 are connected to the two screws 6.
Concatenated with 0. Note that the guide blocks 56a and 56b
and the guide block 56f.
The two screws 60 connecting 56e and 56e are formed on the same straight line.

Further, as shown in FIGS. 2D and 2F, the guide blocks 56b and 56c are
are connected. In this case, the two screws 60 connecting the guide blocks 56b and 56c are formed below the screw 60 connecting the guide blocks 56a and 56b. That is, a cylindrical recess 61a is formed at the lower center of the guide block 56b with a predetermined length from one end (guide block 56a side) to the other end, and a screw hole communicating with this recess 61a is formed. 61b is formed from the recessed portion 6La to the other end of the guide block 56b (on the guide block 56c side). Furthermore, a screw hole 61c is formed in the guide block 56c with a predetermined length on the same straight line as the screw hole 61b. Note that the guide block 56a has a return hole 61 of the head 60a of the screw 60.
d is formed. This return hole 61d has a recessed portion 6
It is formed to have the same diameter as 1a, and is formed on the same straight line as the recessed part 61a. Then, screw 6 from this recessed part 61a.
0 is inserted, and its tip 60b is screwed into the screw hole 61c and fixed to the guide block 56C. At this time, the head 60a of the screw 60 is fixed at a position where its tip slightly enters the return hole 61d of the guide block 56a. Similarly, guide blocks 56e and 56d are connected with the screw 60. In this case, the guide block 56
The two screws 60 connecting b and 56c and the two screws 60 connecting guide blocks 56e and 56d are:
They are formed on the same straight line.

Therefore, in this positioning holder 50, by pulling out the fixing blocks 52 and 54 at a predetermined pitch using a vise (not shown), a predetermined interval is created between each guide block 56a to 56f. That is, by pulling out the fixing blocks 52 and 54, the guide blocks 56a and 56f fixed thereto are also pulled out together. In this case, the guide block 56a
and 56f are the end surfaces 61e of the recessed portions 61a, respectively.
is pulled out to a position where it hits the head 60a of the screw 60. Therefore, gaps are provided between guide blocks 56a and 56b1 and between guide blocks 56e and 56f. Further, by pulling out the fixing blocks 52 and 54, the guide blocks 56b and 56e fixed to the tips of the screws 60 are pulled. These guide blocks 56b and 56e are also pulled out to a position where the end surface 61e of the recessed portion 61a contacts the head 60a of each screw 60. Therefore, guide blocks 56b and 56c1 and guide blocks 56e and 5
A gap is created between the 6d and the 6d. Furthermore, when the fixing blocks 52 and 54 are pulled out, the guide blocks 56c and 5 fixed to the tips 60b of the screws 60 are
6d is also pulled out, and the guide block 5
A gap is created between 6C and 56d. In this embodiment, between each guide block 56a to 56f,
For example, an interval of 3fi to 5m is provided.

Furthermore, two guide holes 62 are formed in the upper end surface of the fixing block 52 at appropriate intervals in the longitudinal direction thereof. A guide post (not shown) connected to the punch 70 is inserted into the two guide holes 62 . Therefore, the punch 70 and the positioning holder 50 are positioned.

Moreover, the three mold bodies 1 of the mold member 14 are provided on the opposing upper portions of the six guide blocks 56a to 56f, respectively.
6, three mold insertion portions 68 are formed. These mold insertion parts 68 are for inserting and holding the mold bodies 16 of the mold 12 therein, and are formed to have the same shape and size as the three mold bodies 16 of the mold member 14. Therefore, the mold bodies 16 of the mold 12 can be respectively mounted in the winter mold insertion portions 68 between these guide blocks 56a to 56f.

Note that rectangular notches 64, for example, are formed at opposing upper corners of the six guide blocks 56a to 56f, respectively. Therefore, these guide blocks 5
When 6a to 56f are connected by the slide bin 58 or the like, a rectangular recess 66 is formed by the opposing notches 64. The mold body 1 of the mold 12 is placed in this recess 66.
6 into the mold insertion portion 68, both ends of the support member 26 of the mold 12 are inserted.

Next, the operation or operation of this mold 10 will be explained.

First, the mold 12 is mounted on the positioning holder 50.

In this case, the mold body 16 of the mold 12 is inserted into the mold insertion portion 68 of the positioning holder 50, and the support member 26 of the mold 12 is inserted into the recess 66 of the positioning holder 50.

In this embodiment, by pulling out the fixing blocks 52 and 54 of the positioning holder 50 with a vise, a gap is created between each guide block 56a to 56f, and the mold 12 is inserted and the fixing blocks 52 and 54 are pulled out again.
After tightening with a vise, the mold 12 is placed in the positioning holder 50.
can be easily installed.

Then, the golf tee 1 is placed in the molding material filling portion 24 of the mold 12.
A molding material such as a clay-like material is filled.

Then, after pressurizing the molding material in the molding material filling portion 24 from above with the pusher bottle 72 of the punch 70, the pusher bottle 72 is removed from the mold 12.

Next, the mold 12 is removed from the positioning holder 50. In this case, the mold 12 can be easily removed from the positioning holder 50 by pulling out the fixing blocks 52 and 54 of the positioning holder 50 with a vice to create a gap between each guide block 56a to 56f.

Then, the molding material in the removed mold 12 is solidified by drying naturally or in a dryer. That is, this mold 12 can be used, for example, as a shape-retaining mold for solidification and drying. The molding material in the mold 5 12 may be dried and solidified while the mold 12 is attached to the positioning holder 50.

Then, the mold 12 is divided into two mold members 14 and 14, and the dried and solidified golf tee (finished product) is taken out from therein.

In this embodiment, the mold 12 can be taken out together with the molding material from the positioning holder 50 before the molding material is dried and solidified, so that the mold 12 can be attached to the positioning holder 50, the mold 12 can be filled with the molding material, and the positioning can be carried out. Holder 50
The mold 12 can be continuously removed from the mold 12.

Therefore, when manufacturing a large quantity of molded products, the manufacturing time per molded product can be shortened.

Furthermore, since the mold 12 can be divided into two mold members 14.14, a molded article that is in close contact with the mold 12 can be easily removed from the mold 12. In this case, since both ends 26a and 26b of the support member 26 of the mold 12 are bent outward, the mold 12 can be easily divided into two mold members 14 and 14 by sandwiching the ends 26a and 26b. can do.

In the above-described embodiments, a golf tee was used as an example of the molded product, but the present invention can also be applied to other molded products.

[Brief explanation of drawings]

18 to 1C are diagrams showing one embodiment of the present invention, FIG. 1A is a front view thereof, FIG. 1B is a plan view thereof, and FIG. 1C is a diagram similar to that of FIG. 1A. It is a sectional view taken along line IC-IC. FIG. 2A is a plan view showing a positioning holder for positioning the mold shown in FIGS. 1A to 1C. FIG. 2B is a front view showing the fixing block, and FIG.
Figure C is a front view showing the guide plotter fixed to the fixing block shown in Figure 2B, and Figure 2D is a front view of the guide plotter shown in Figure 2C.
FIG. 7 is a front view showing another guide block coupled to the guide block shown in the figure. 2E is an illustrative cross-sectional view taken along line nE-nE in FIG. 2A, and FIG. 2F is an illustrative cross-sectional view taken along line IF-IF in FIG. 2A. FIG. 3 is an illustrative view of the main parts of a mold using the mold shown in FIGS. 1A to 1C. FIG. 4 is an illustrative view showing a golf tee manufactured with the mold shown in FIG. 3. In the figure, 10 is a mold, 12 is a mold, 14 is a mold member, 1
6 is a mold body, 24 is a molding material filling part, 26 is a support member,
28 is a bottle, 30 is a hole, 50 is a positioning holder, 66 is a recess, 68 is a mold insertion part, 70 is a punch, and 100 is a golf tee.

Claims (1)

[Scope of Claims] Two mold members made of synthetic resin are formed to be engageable, and the two mold members are formed to be detachably attached to a predetermined position in the engaged state, and further A mold, wherein a molding material filling portion corresponding to the shape of the molded product is formed in the two mold members in a state in which they are engaged.