JPS6055300B2 - Simple attachment/detachment device for brackets in foam molding machines - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a simple attachment/detachment device for feeders, etc. in a foam molding machine, which allows brackets such as raw material filling feeders, eject pins, etc. to be easily attached/detached to the back plate side of the foam molding machine. .

In a conventional foam molding machine, two to three bolts 4, 4' are used to attach the raw material filling feeder 1, eject pin 2, etc. to the back plate 3 side of the foam molding machine, as shown in FIG. Each bracket 10, 2
This is done by screwing in via the mounting flanges 11 and 21 of 0.

The disadvantage of this conventional method of installation is that since it is a screw-in type, all the bolts must be tightened and loosened one by one, and it takes a long time to install and remove them. Foam molding machines that produce a large number of foam molded products require the attachment and detachment of many mounting flanges, and even more efficient attachment and detachment is required. According to the present invention, it is an object of the present invention to provide a device which eliminates the above-mentioned conventional drawbacks and inconveniences and allows the feeder etc. to be attached and detached extremely easily. A mounting member with a mounting hole formed for a bracket on an eject pin, etc. is attached to the back plate of a foam molding machine, and a guide hole that communicates from the mounting hole to the outer periphery of the mounting member is provided in the mounting member, and a diagonal cut is made in the guide hole. Insert the cylinder so that it cannot be removed, cut an axial groove in one of the obliquely cut cylinders,
A protrusion that fits into this groove and prevents the rotation of the beveled cylinder is provided in the guide hole, and the beveled cylinder is always pushed toward the mounting hole by a spring installed behind the beveled cylinder. The tip protrudes into the mounting hole, while the insertion portion of the bracket has a recess into which the tip of the beveled column above the gate can fit, and a notch is formed on one side of the recess. It is characterized by Next, the second embodiment of the invention will be described.
An example will be given below with reference to the figures below.

What is shown in FIGS. 2 to 12 is the case where the raw material filling feeder 1 is installed, in which a mounting member 5 is mounted on the back plate 3 of a mold in a foam molding machine with bolts 4, The insertion part 12 of the bracket 10 is inserted into the mounting hole 50 formed in the mounting member 5 (see Fig. 2).
(See Figure 3).

The mounting member 5 has a guide hole 51 that communicates from the mounting hole 50 to the outer periphery of the mounting member.
A stepped portion is formed in the side opening to prevent a diagonally cut cylinder, which will be described later, from slipping out of the guide hole 51. That is, the obliquely cut cylinder 6 shown in FIG. 4 is slidably provided in the guide hole 51, and a step is also formed at the front part of the obliquely cut cylinder 6 on the side of the guide hole 51. The tip 6 of the beveled cylinder 6 can be pulled out from the kite hole 51 of the beveled cylinder 6 because it is locked at the tip 6 of the beveled cylinder 6.
0 can protrude into the mounting hole 50 (see FIG. 5). Further, a groove 61 is cut in the axial direction in the obliquely cut cylinder 6, and a protrusion 70 is formed in the guide hole 51 by making the tip of a rod end set screw 7 attached from the upper surface of the mounting member protrude into the guide hole 51. By fitting this protrusion 70 into the groove 61, the diagonal cylinder 6 is prevented from rotating within the guide hole 51, and the inclined surface of the tip 60 of the diagonal cylinder 6 is always directed upward. It's starting to turn. Note that the groove 61 is a beveled cylinder 6.
In addition to the illustrated case in which the grooves 61 are formed over the entire length of the grooves 61, it is also possible to form the grooves 61 only in a part of the beveled cylinder 6 as long as the sliding movement of the beveled cylinder 6 is not hindered. To form the protrusion 70 in the guide hole 51, insert a pin from the top surface of the mounting member. It is also possible to drive it in and make its tip protrude into the guide hole 51. Next, a spring 8 is provided behind the diagonal cylinder 6 in the guide hole 51, and the pressing force of the spring 8 always pushes the diagonal cylinder 6 toward the mounting hole 50, so that the tip 60 of the diagonal cylinder 6 is mounted. Projects into hole 50. I'm starting to do that.
Reference numeral 9 denotes a set screw provided at the outer circumferential end of the guide hole 51, which supports the spring 8 and allows the pressing force of the spring 8 to be adjusted by moving the set screw 9 back and forth (see FIG. 5).

On the other hand, the insertion portion 12 of the bracket 10 to be inserted into the mounting hole 50 of the mounting member 5 is formed with a recess 13 that can fit with the tip 60 of the beveled cylinder 6 when inserted into the mounting hole 50. One side of the recess 13 forms a notch 14 that smoothly extends from the bottom of the recess 13 to the peripheral side of the insertion portion 12 .

The shape of the recess 13 is preferably such that there is no looseness when it is fitted with the tip 60 of the beveled cylinder 6, and a circular hole shape can be easily machined with a drill or the like. The fitting with the tip 60 is also good and is suitable. Furthermore, the notch 14 formed on one side of the recess 13 can be cut by moving the blade of a drill or the like that has drilled the circular hole-shaped recess 13 in parallel to the tangential direction of the insertion portion 12. Forming the notch 14 is convenient because it can be processed easily and quickly (see FIGS. 6 to 8). Further, in the case illustrated in FIGS. 9 to 11, a notch 14 of the recess 13 is sloped so that the notch 14 does not come into contact with the tip 60 of the obliquely cut cylinder 6 when the bracket 10 is removed, which will be described later. It is formed by omitting the upper part of . In addition,
In addition to the above embodiment in which the recess 13 is formed at only one location on the circumferential surface of the insertion portion 12 of the bracket 10, it is possible to form recesses 13 at multiple locations in the circumferential direction or the axial direction on the circumferential surface of the insertion portion 12. By selecting the recess 13 that fits into the tip 60 of the obliquely cut cylinder 6, the mounting position of the feeder 1 can be changed, and air piping to the feeder 1 can be easily performed, which is preferable.

Next, to explain in detail how to attach the bracket 10 to the attachment member 5, first insert the insertion portion 12 of the bracket 10 into the attachment hole 50 of the attachment member 5, and then insert the tip 60 of the obliquely cut cylinder 6 protruding into the attachment hole 50. Push the tip of the insertion portion 12 back into the guide hole 51 to advance the insertion portion 12 into the mounting hole 50, and insert the insertion portion 1 into the mounting hole 50.
When the recess 13 formed in 2 comes to the fitting position with the tip 60 of the beveled cylinder 6, the pressing force of the spring 8 causes the beveled cylinder 6 to fit again.
The bracket 10 is fixed to the mounting member 5 by fitting the distal end 60 of the protruding portion into the recess 13 of the insertion portion 12 .

Once the tip 60 of the beveled cylinder 6 is fitted into the recess 13, it is constantly pressed by the spring, so even if an external force such as vibration is applied, the fitting will not come loose, and the bracket 10 will be securely attached to the mounting member 5. It can be fixed at In order to remove the bracket 10 from the mounting member 5, the insertion portion 1 of the bracket 10 is
Rotating the bracket 10 in the direction (in the direction of the arrow in FIGS. 7 and 8) in which the notch 14 formed on one side of the recess 13 formed in 2 abuts the tip 60 of the obliquely cut column 6 (in the direction of the arrow in FIGS. 7 and 8) The tip 60 of the cylinder 6 is connected to the notch 1 from the bottom of the recess 13.
4, the obliquely cut cylinder 6 is gradually pushed back into the guide hole 51 while coming into contact with the circumferential side of the insertion portion 12.
When the bracket 10 is rotated to a position where the tip 60 of the beveled cylinder 6 contacts the circumferential side of the insertion portion 12, the tip 60 of the obliquely cut cylinder 6 completely enters the guide hole 51, and then the bracket 10 is inserted into the mounting hole 50 of the mounting member 5. The bracket 10 can be easily removed by pulling it further upward. In this way, the bracket 10
In both installation and removal, the work can be carried out smoothly without requiring a large amount of work, and there is less risk of damaging the tip 60 of the beveled cylinder 6 that serves as the fitting mechanism, the recess 13 of the insertion part 12, etc., and it is durable. It is also excellent. In addition,
The fitting portion consisting of the recess 13 and the obliquely cut cylinder 6, etc., is
In addition to the above-mentioned embodiment in which the fitting portion is formed at only one location around the bracket 10 and the mounting member 5, the fitting portion may be formed at multiple locations. Become.

In addition to the flange-like shape of the illustrated embodiment, the mounting member 5 may have a flange-like portion and a sleeve-like portion.

Although the above-described simple attachment/detachment device is for the raw material filling feeder 1, it can be implemented in exactly the same manner for attachment/detachment of the bracket 20 of the eject pin 2.

That is, as shown in FIG. 13, the structure of the mounting member 5, guide hole 51, etc. is the same as that for the feeder 1, and the insertion portion 22 provided on the bracket 20 of the eject pin 2 is inserted into the mounting hole 50 of the mounting member 5. Insert the insertion part 2
A diagonal cut cylinder 6 in which a recess 13 formed in 2 is provided in the mounting member 5.
The bracket 20 can be fixed to the mounting member 5 by fitting into the tip 60 of the bracket.

Note that 25 is a spring for retracting the eject pin 2, 26 is a spring retaining washer, and 27 is a nut for holding these. In addition, although the feeder 1 and eject pin 2 described above are both installed in the vertical direction, depending on the structure of the foam molding machine, they may be installed in the horizontal direction. It can be carried out without any problems using this method.

According to the present invention configured as described above, brackets in a foam molding machine, such as a feeder for filling raw materials or an eject pin bracket, can be fixed with one touch by combining the tip of the diagonally cut cylinder and the recess on the bracket side. This makes it possible to attach and detach, making it extremely easy to attach and detach compared to the conventional bolt-fastening method, and significantly shortening the time required for attachment and detachment.

In particular, this method is more effective in a foam molding machine for producing a large number of foam molded products because the number of feeders and eject pins is increased. Therefore, excellent usability can be achieved when assembling and disassembling the foam molding machine.

[Brief explanation of drawings]

The drawings illustrate embodiments of the present invention and conventional aspects. Fig. 1 is a cross-sectional view showing an outline of a conventional foam molding machine, Fig. 2 is a cross-sectional view of essential parts according to the present invention, and Fig. 3 is a cross-sectional view showing an outline of a conventional foam molding machine. A partially enlarged sectional view of the previous figure, FIG. 4 is a front view and side view of the obliquely cut cylinder, and FIG. 5 is a sectional view of the mounting member before bracket insertion.
Fig. 6 is a sectional view of the insertion part of the bracket, Fig. 7 is a front view, Fig. 8 is a sectional view taken along the line X-X of the previous figure, and Fig. 9 is a sectional view of the insertion part of the bracket showing an example of a modification of the recessed part. , Fig. 10 is a front view, Fig. 11 is a sectional view taken along the line Y-Y in the previous figure, Fig. 212 is a front view showing the insertion part of the bracket with recesses formed in multiple places, and Fig. 13 is about the eject pin bracket. It is a sectional view showing implementation. 1... Feeder, 10, 20... Bracket gate, 12, 22... Insertion section, 13, 2
3... recess, 2... eject pin,
3...Back plate, 5...Mounting member, 50...Mounting hole, 51...Guide hole, 6...Beveled cylinder , 60...Tip,
61...Groove, 70...Protrusion, 8...
····Spring.

Claims (1)

[Scope of Claims] 1. A mounting member in which a mounting hole is formed for a bracket included in a raw material filling feeder, an eject pin, etc. for a foam molding machine is attached to the back plate of the foam molding machine, and the mounting member is inserted into the mounting member through the mounting hole. A guide hole leading to the outer periphery is provided, a diagonal cylinder is fitted into the guide hole so that it cannot be pulled out, an axial groove is cut in the diagonal cylinder, and the diagonal cylinder is fitted into this groove to prevent rotation of the diagonal cylinder. A protrusion that can prevent the insertion of the bracket is provided in the guide hole, and the beveled cylinder is always pushed toward the mounting hole by a spring installed behind it so that the tip of the beveled cylinder protrudes into the mounting hole. A simple attachment/detachment device for brackets in a foam molding machine, characterized in that a recess is formed in the section to allow the tip of the obliquely cut cylinder to fit therein, and a notch is formed on one side of the recess. . 2. A simple attachment/detachment device for brackets in a foam molding machine according to claim 1, wherein recesses are formed at a plurality of locations in the insertion portion of the bracket.