JPH037052Y2 - - Google Patents

Description

[Detailed Description of the Invention] Purpose of the Invention (Field of Industrial Application) This invention relates to a lower die support unit for movably supporting a lower die placed on the top surface of a table of a press machine in the lateral direction.

(Prior Art) Conventionally, as shown in FIG. 7, in order to install the heavy lower mold S at a predetermined position on the table 22 of the press 21, the lower mold S on the upper surface of the table 22 must be
There was a need to make it easier to move. Therefore, a supporting device 24 with exposed balls 23 that supports the lower die S is placed on the upper surface of the table 22.
2 had multiple installations.

The support device 24 will be explained based on FIG. 8. A coil spring 25 is installed in a hole 22a formed in the upper part of the table 22, and a ball receiving member 26 that is urged upward is installed in the upper part of the hole 22a. It is embedded in Further, a plurality of balls 27 are received in a bowl-shaped recess 26a formed in the upper part of the ball receiving member 26, and a lower mold support for supporting the lower mold S is provided on the upper part of the balls 27. A ball 23 is placed thereon. The upper limit position of the ball receiving member 26 is regulated by a lid 28 screwed onto the upper end of the hole 22a, and the lid 28 holds the upper part of the lower mold support ball 23 in an exposed state. .

(Problem to be Solved by the Invention) However, since the support device 24 does not utilize the existing T-shaped groove for bolt engagement provided in the table 22, a dedicated hole 22a for housing the support device must be provided. must be formed anew, and therefore,
Not only is the machining process cumbersome, but each member such as the coil spring 25, ball receiving member 26, and lid body 28 is separated, which requires time and effort to assemble into each hole 22a, which reduces the cost of the support device. There was a problem with not being able to bring it down.

In view of the above-mentioned circumstances, the object of this invention is to provide a lower mold support unit for a press machine that can be easily processed and assembled and can reduce the cost of the product.

Structure of the invention (means for solving the problem) In order to solve the above-mentioned problem, this invention provides a mounting base that is attached and fixed to the wide part of the existing T-shaped groove for bolt engagement provided on the table of the press machine. and a movable support that is provided in the wide part and/or the narrow part of the T-shaped groove so as to be movable up and down, is linked to the mounting base by a linking member, and whose vertical movement stroke is regulated within a predetermined range. a biasing member that is interposed between the mounting base and the movable support member and biases the movable support member upward; and a biasing member that is rotatably supported on the upper part of the movable support member via a plurality of balls. The lower mold support ball is provided with a hole for exposing the upper part of the lower mold support ball, and a lid body is fixed to the linking member.

(Function) Since this idea utilizes the existing T-shaped groove for bolt engagement formed in the table, there is no need to provide a separate storage hole exclusively for the lower die support unit, and the lower die support unit itself is integrated. Since it is assembled to the table, it can be quickly attached to the table.

(Example) Hereinafter, an example that embodies this idea will be described.
This will be explained in detail based on FIG.

Engagement holes 1a, 1a consisting of a small diameter part and a large diameter part penetrate through both left and right ends of the mounting base 1, which is inserted into the wide part Ma of the existing T-shaped groove M for bolt engagement provided in the table 22 of the press machine. Support pins 2, 2 as a pair of linking members integrally formed with a locking flange 2a at their lower ends are passed through the engaging holes 1a, 1a upwardly, and the locking flange 2a prevents the pins from coming out upward. is being prevented. Narrow width part Mb of the T-shaped groove M
A movable support member 3 is disposed so as to be slidable in the vertical direction, and is integrally tightened and fixed to the upper ends of both the support pins 2, 2 together with a cover 9, which will be described later, by bolts 4, 4. Between the upper surface of the mounting base 1 and the inner top surface of the accommodation recesses 3a, 3a of both the support pins 2, 2 formed in the movable support member 3, the support pins 2,
Coil springs 5, 5 as biasing members are interposed to surround the support pins 2, 2, the movable support member 3, the lid 9, etc., and constantly bias the support pins 2, 2, the movable support member 3, the lid 9, etc. upward.

A bottomed cylindrical fitting recess 3b is formed in the upper center of the movable support member 3, and a ball receiving member 7 for supporting a plurality of balls 6 is housed in the recess 3b. A lower mold support ball 8 is supported by .about.6. Furthermore, the lower mold support ball 8
is rotatably supported at a predetermined position by a lid 9 fixed to the upper surface of the movable support member 3 by the bolts 4. A hole 9a is formed in the lid 9 to expose the upper part of the lower die support ball 8.

As shown in FIG. 2, protrusions 1b, 1b are formed on both left and right sides of the mounting base 1, and both protrusions 1
The lower end of the movable support member 3 is slidably fitted between b and 1b to prevent dust from entering the upper surface of the mounting base 1.

By the way, in this embodiment, the movable support member 3 is regulated within a predetermined stroke range by the mounting base 1 having the engagement hole 1a and the support pins 2, 2 having the locking flange 2a.

On the other hand, the wide part Ma of the T-shaped groove M for bolt engagement
front and rear of the mounting base 1 (left and right in Figure 1)
The locking block 10 is fitted so as to come into contact with both end faces, and the bolts 11, 11 are screwed into both the locking blocks 10, 10, and both the bolts 11, 11 are pressed against the bottom surface of the wide part Ma. The upper surfaces of the locking blocks 10, 10 are pressed against the upper surface of the wide portion Ma, and both locking blocks 10, 10 are pressed against the upper surface of the wide portion Ma.
is fixed at a predetermined position to prevent the entire lower mold support unit from shifting laterally.

Next, the operation of the lower mold support unit for a press constructed as described above will be explained.

In FIG. 1, when the lower die S is placed on the table 22, the lower die support ball 6 includes the movable support member 3, the lid body 9, the ball receiving member 7, the bolts 4, 4, the support pins 2, 2, lower mold support ball 8 and ball 6,
6, they are moved downward as one against the biasing force of the coil springs 5, 5. and,
Before the lower die S hits the upper surface of the table 22, the upward urging force of the springs 5, 5 and the weight of the lower die S are balanced, and the lower die S stops at the position shown in FIG. In this state, the lower die S is smoothly moved laterally.

Now, in the embodiment of the present invention, the table 22
Since the integrated lower mold support unit was fitted into the existing T-shaped groove M for bolt engagement formed in the mold, there was no need to form a separate storage hole.
Easy to process and assemble,
It is possible to reduce the cost of the product. Further, in this embodiment, since the movable support member 3 and the lid body 9 are always fixed integrally, there is no large gap between the lower mold support ball 8 and the lid body 9, and therefore dust is not trapped in the recess. Ball 6 without entering into 3b,
It is possible to suppress wear of the ball receiving member 7, the lower mold support ball 8, etc., and improve durability.

Furthermore, this idea can also be implemented as follows.

(1) As shown in FIGS. 5 and 6, connecting tubes 12 and 12 as connecting members connect the mounting base 1 and the lid body 9.
and bolts 13, 13 are tightened and fixed at a predetermined interval, and when the lower mold support ball 8 is pressed downward by the lower mold S, the movable support member 3 resists the biasing force of the coil spring 5 and moves to the sixth position. Configure it so that it can be moved to the position shown in the figure. In addition,
The other configurations are similar to those of the embodiment described above.
Further, in this embodiment, the vertical movement stroke of the movable support member 3 is regulated by the mounting base 1 and the lid body 9.

Effects of the invention As detailed above, this invention makes it possible to attach the lower mold support unit extremely easily with one touch by using the existing T-shaped groove for bolt engagement, and also forms a separate storage hole in the table. Since it is not necessary, manufacturing and processing can be easily performed, and this has an excellent effect of reducing the cost of the product.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view of the central part of an embodiment embodying this invention in an inoperative state, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIG. 4 is a longitudinal sectional view of the central part showing a state in which the lower mold is placed, FIG. 5 is a longitudinal sectional view of the central part in an inoperative state showing another example of the present invention, and FIG. Similarly, a vertical sectional view of the central part in the operating state, and FIG. 7 is a perspective view showing the conventional example.
FIG. 8 is a sectional view similarly showing a conventional example. Mounting base 1, engagement hole 1a, protrusion 1b, support pin 2 as a linking member, locking flange 2a, movable support member 3, accommodation recess 3a, fitting 3b, bolt 4,
13. Coil spring 5 as a biasing member, ball 6, ball receiving member 7, lower mold support ball 8, lid 9, hole 9a, connecting cylinder 12 as a linking member, table 22, lower mold S, for bolt engagement T-shaped groove M, wide part Ma, narrow part Mb.

Claims (1)

[Claims for Utility Model Registration] 1. A mounting base 1 that is installed and fixed to the wide part Ma of the existing T-shaped groove M for bolt engagement provided on the table of the press machine, and the wide part Ma and/or the wide part Ma of the T-shaped groove M. Alternatively, a movable support member 3 is provided in the narrow portion Mb so as to be movable up and down, is linked to the mounting base 1 by a linking member, and whose vertical movement stroke is regulated within a predetermined range, and the mounting base 1 and a biasing member 5 which is interposed between the movable support member 3 and biases the movable support member 3 upward; and a lower member rotatably supported on the upper part of the movable support member 3 via a plurality of balls 6. A lower mold support unit for a press machine, comprising a mold support ball 8 and a lid 9 that is provided with a hole 9a for exposing the upper part of the lower mold support ball 8 and is fixed to the linking member. . 2. The lower mold support unit for a press machine according to claim 1, wherein the mounting base 1 is fitted into the wide part Ma of the T-shaped groove M so that it cannot be pulled out upwards. 3 Engagement holes 1a, 1a are formed in the lower surface of the mounting base 1, and support pins 2, 2 having a pair of locking flanges 2a, 2a are movable in the vertical direction in both the engagement holes 1a, 1a. It is inserted into the upper end of both support pins 2, 2 so that it cannot come out upwardly.
The movable support member 3 and the lid body 9 are tightened and fixed together with bolts 4, 4, coil springs 5, 5 as biasing members are interposed between the mounting base 1 and the movable support member 3, and Said mounting base 1
The lower mold support unit for a press machine according to claim 1, wherein the support pins 2 and 2 have a function of regulating the vertical movement stroke of the movable support member 3. 4 The movable support member 3 is installed on both sides of the mounting base 1.
A lower die support unit for a press machine according to claim 1, wherein a protrusion 1b is formed in sliding contact with both sides of the lower mold support unit for a press machine.