JPH09248699A - Transfer press - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate troubles of unbalanced load and to miniaturize a transfer press. SOLUTION: A 1st to a 4th uprights 21A to 21D are arranged respectively between respective press stages P2 to P4, a 2nd to a 4th crowns 22A to 22C are arranged individually on every press stages P2 to P4, and mutual engaging joining step parts 24A, 24B and 26A, 26B are formed on the end parts of the 2nd to the 4th crowns 22A to 22C adjoining on the 2nd, the 3rd uprights 22B, 22C. Then, 1st tie rods 25, 27 where these joining step parts 24A, 24B and 26A, 26B are penetrated, the fore and back crowns 22A to 22C, the 1st to the 4th uprights 21A to 21D and a bed 11 are penetrated, connected and fixed are installed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer press having a large number of pressing steps along a press line.

[0002]

2. Description of the Related Art Conventionally, a transfer press having a plurality of press stages, as shown in FIG. 5, has a plurality of slides 3a to 3c on an aplite 2 standing up and down on a bed 1 before and after the press line. A crown integrated type in which an integrated type crown 4 is arranged, and the aplites 2a to 2a standing upright on the bed 1 before and after the press line as shown in FIG.
It is classified as a crown independent type in which a plurality of independent crowns 4a to 4d each having slides 3d to 3f between d are arranged along the press line.

[0003]

However, in the above-mentioned crown integrated type, the press stages P1 to P3 can be arranged close to each other, and the press line can be shortened to downsize the transfer press, while the central part between the uprights 2 is provided. Slide 3b
And the slides 3a and 3c on the end side are different from each other in the amount of deformation of the frame caused by the press load, and the slide 3b in the central part causes the slides 3b and 3a on the end side to be different.
There is a problem that the pressing load is less likely to be applied than in c.

In the crown independent type, the crowns 4a to 4c whose four corners are simply supported by the uprights 2a to 2d are used.
Since the press units having the above are arranged side by side, the distance between the press stages P1 to P3 is long and the stroke of the cam mechanism of the work feeder cannot be made large. Therefore, the idle stages I1 and I3 are arranged between the press stages P1 to P3.
2 was required, and as a result, the press line was long and the transfer press was large.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and provide a transfer press which is free from the problem of unbalanced load and can be downsized in its entirety.

[0006]

In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention provides an aplite on an end of a press stage arranged along a press line and on a bed between the press stages. In a transfer press in which the crown is installed upright and has slides corresponding to each press stage on the upright, the upright is placed between the respective press stages, and the crown is independently provided for each press stage. The adjoining crowns are arranged on the upright, and the adjoining crowns are engaged with each other. The front and rear crowns are penetrated through the adjoining shoulders, and the first tie rods penetrating through the upright and the bed are connected and fixed. It is provided.

According to the second aspect of the present invention, in the same transfer press, an aplite is arranged between each press stage, and a crown is arranged independently for each press stage. Second tie rods are provided on the rear surface, each of which has a connecting step portion whose lower front-rear width is narrowed and which penetrates the step portion of the upright from the end portion of the crown to connect and fix the uplite and the crown. A third tie rod that penetrates the bed and is connected and fixed is provided.

Further, in the transfer press according to the third aspect of the present invention, an aplite is arranged between each press stage, and a crown is independently arranged for each press stage, and a front surface of the aplite between the press stages and A second connecting portion is formed on one of the rear surfaces, the connecting step portion having a narrower front-rear width is formed, and the end portion of the crown on the connecting step portion side penetrates the step portion of the upright to connect and fix the upright and the crown. A tie rod is provided, and a fourth tie rod that penetrates and connects the adjacent crown, upright, and bed is fixed.

Further, in the transfer press according to the fourth aspect of the present invention, an aplite is arranged between each press stage, and a crown is independently arranged for each press stage, and adjacent crowns are arranged on the aplite. A joining step portion that engages with each other is formed, and a front and rear crown that penetrates the joining step portion and a first tie rod that penetrates and connects and fixes the upright and the bed are provided, and the front surface of the upright between the press stages and On one side of the rear surface, form a connecting step part where the front and rear width of the lower part becomes narrow,
A second tie rod is provided which penetrates the step portion of the upright from the end portion of the crown on the side of the connecting step portion and connects and fixes the upright and the crown.

According to the first aspect of the present invention, the ends of the adjacent crowns are engaged with each other via the joining step, and the crown is connected and fixed to the upright and the bed via the first tie rod. Since the aplite between the adjacent front and rear crowns are integrally supported by one tie rod, the front and rear width of the alite can be narrowed, and each crown is supported by the aplite at the four corners, but the distance between the press stages is shortened. Can be set. Therefore, it is not necessary to provide an idle stage between the press stages, the transfer press can be downsized, and there is no influence of an eccentric load due to the bending of the frame.

According to the second and third aspects of the present invention, since the connecting step portion is formed on the press stage side of the upright, even if the front and rear width of the upper portion of the upright supporting the crown is wide, the front and rear width of the lower portion is narrow. Therefore, it is possible to widen the entrance / exit space of the bolster truck on which the mold is arranged on the bed. Therefore, it is not necessary to provide an idle stage between the press stages, the transfer press can be downsized, and there is no influence of an eccentric load due to the bending of the frame.

Further, according to the invention of claim 4, the transfer press can be downsized and the crown can be more firmly supported by the upright by using the joining step portion and the connecting step portion together.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a transfer press according to the present invention will be described with reference to FIG.

The first press stage P1 and the second to fourth press stages P2 to P4 are provided along the press line, and the first press stage P1 and the second press stage are related in relation to the press drive mechanism. Although the idle stage I is provided between P2, this idle stage I can be deleted.

In the first press stage P1, for example, in the step of performing deep drawing, a first crown 14 equipped with a press drive motor 13 is installed via the uprights 12 standing on the bed 11 at four corners. . The first upright 12 has facing surfaces D facing the first press stage P1 and opening steps 12a and 12b formed above the upper die 15a, respectively, and the bed 11 extends in a direction orthogonal to the press line during die exchange. The moving space of the first bolster cart 16 that is moved between the upper part and the outer part and exchanged is enlarged. The first crown 14 is connected and fixed to the upright 12 by a tie rod 17 penetrating the opening steps 12a and 12b, and the upright 12 is fixed to a bed by a tie rod 18. Reference numeral 14a is a slide suspended from the first crown 14 so as to be able to move up and down, and 15b is a lower mold fixed to the first bolster truck 16.

The transfer press according to the present invention, which constitutes the second to fourth press stages P2 to P4, includes the second to fourth press stages.
At the four corners of the ends of the press stages P2 to P4, the first and the fourth
The uprights 21A and 21D are respectively installed upright, and the second and third uprights 21 are provided between the press stages P2 to P4.
B and 21C are erected. And these 1st-4th
On the uprights 21A to 21D, independent second to fourth corresponding to the second to fourth press stages P2 to P4, respectively.
The crowns 22A to 22C are supported and these second to fourth
The crowns 22A to 22C are interlockingly connected to the first crown 14 driven by the press drive motor 13 via a brake clutch 19 and an interlocking shaft (not shown).

The upstream end of the second crown 22A is supported over the entire upper surface of the first upright 21A, and is connected and fixed by a fifth tie rod 23 penetrating the second crown 22A, the first upright 21A and the bed 11. .

At the downstream end of the second crown 22A,
An upward joining step portion 24A having a lower portion protruding toward the downstream side is formed, while a downward joining step portion 2 that completely engages with the joining step portion 24A is formed at the upstream end of the third crown 22B.
4B are formed and engaged with each other. And the second
The downstream end portion of the second crown 22A is disposed on the upright 21B, penetrates the joining step portions 24A and 24B from the upstream end portion of the third crown 22B, and further the second crown 22A.
Downstream end of A, second upright 21B and bet 11
Is fixed by a first tie rod 25 penetrating therethrough.

Further, at the downstream end portion of the third crown 22B, a downwardly facing joining step portion 26B having an upper portion projecting to the downstream side.
Is formed, on the other hand, at the upstream end of the fourth crown 22C,
Upward joining step portions 26A that completely engage with the joining step portions 26B are formed and engaged with each other. And
The upstream end portion of the fourth crown 22C is arranged on the third aplite 21C, and the upstream end portion of the fourth crown 22C is penetrated from the downstream end portion of the third crown 22B through the joining step portions 26A and 26B. The first tie rod 27 penetrating the third upright 21C and the bed 11 is connected and fixed.

The downstream end of the fourth crown 22C is supported over the entire upper surface of the fourth aplite 21D, and the fourth crown 22C, the fourth aplite 21D and the bed 11 are supported.
Is connected and fixed by a fifth tie rod 28 penetrating through.

On the bed 11, there are arranged second to fourth bolster trucks 29A to 29C, to which the lower die 15b is fixed and which can be carried out and fixed together with the upper die 15a. 22a ~
Reference numeral 22c is a slide suspended from the second to fourth crowns 22A to 22C so as to be vertically movable.

According to the above configuration, the second to second adjacent front and rear
Steps 24 for joining to the ends of the fourth crowns 22A to 22C
A, 24B and 26A, 26B are formed and engaged at the upper portions of the second and third uprights 21B, 21C, and one first
The tie rods 25, 27 of the joining stepped portions 24A, 24B, and the second, third crowns 22A, 22B and 3, 3, respectively on the second, third uprights 21B, 21C.
Since the fourth crowns 22B and 22C are configured to be connected and fixed, the front and rear widths of the second and third uprights 21B and 21C can be set to be narrow by only penetrating the first tie rods 25 and 27. Therefore, the interval between the second to fourth press stages P2 to P4 can be narrowed. Therefore, in accordance with the stroke of the feed bar device (not shown), the second
The fourth press stages P2 to P4 can be arranged, and it is not necessary to provide an idle stage. Therefore, the transfer press can be downsized by shortening the total length of the press line. Further, the second to fourth crowns 22A
22C are the first to fourth uprights 21A at the four corners.
Since it is supported by ~ 21D, there is no problem caused by an unbalanced load.

Next, a second embodiment of the transfer press according to the present invention will be described with reference to FIG. The same members as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

The second to fourth crowns 32A to 32C in this embodiment are the first to fourth uprights 31A to 3C.
It is placed on the 1D in a butt state or with a predetermined gap. On the rear and front surfaces of the first and fourth uprights 31A and 31D, which are the end portions facing the second and fourth press stages P2 and P4, the opening step portions where the front-rear width of the lower portion is narrower above the upper die 15a, respectively. 30A and 30B are formed respectively. Further, on the front surface and the rear surface of the second and third aplites 31B and 31C facing the second to fourth press stages P2 to P4, there are connecting step portions 33A and 33B that are narrower in the upper and lower widths of the upper mold 15a and lower in the front-rear width. They are formed respectively, and these opening step portions 30A, 30B and connecting step portions 33A, 33B are formed.
Thus, the movement space of the second to fourth bolster trucks 29A to 29C is widened.

The upstream end of the second crown 32A has a fifth end.
Is fixedly connected to the first upright 31A and the bed 11 by a tie rod 34, and the downstream end of the second crown 32A is connected to the second upright 31B.
A second tie rod 35 penetrating A is connected and fixed to the second upright 31B.

Further, the upstream end of the third crown 32B is connected and fixed on the second upright 31B by a second tie rod 36 penetrating the connecting step 33B of the second upright 31B from the third crown 32B, and the downstream end thereof. Is a step 3 for connecting the third crown 32B to the third upright 31C.
It is connected and fixed on the third upright 31C by a second tie rod 37 penetrating 3A.

The upstream end of the fourth crown 32B has a step 33 for connecting the fourth crown 32C to the third upright 31C.
The second tie rod 38 penetrating B is connected and fixed on the second upright 31B, and the downstream end is connected and fixed by the fifth tie rod 39 on the fourth upright 31D and the bed 11.

Then, the second and third uprights 31B, 3
1C is the second and third uprights 31B and 31C, respectively.
And it is standingly fixed on the bed 11 by the third tie rod 40 penetrating the bed 11.

According to the second embodiment described above, the first and fourth uprights 31A and 31D arranged at the ends of the second to fourth press stages P2 to P4 are opened for narrowing the lower front-rear width. The step portions 30A and 30B are formed, and the front and rear surfaces of the second and third uprights 31B and 31C arranged in the intermediate portions of the second to fourth press stages P2 to P4 have narrower front and rear widths. Since the connecting step portions 33A and 33B are formed, it is possible to secure a wide moving space for the second to fourth bolster trucks 29A to 29C. Further, the second and third uprights 31B and 31C connect and fix the second to fourth crowns 32A to 32C by the second tie rods penetrating the connecting step portions 33A and 33B, so that the second and third uprights 31B. , 31C is fixed to the bed 11, the third tie rod 40 may be one, and the front-rear width can be reduced respectively. Therefore,
The interval between the second to fourth press stages P2 to P4 can be narrowed, and it is not necessary to provide an idle stage, whereby the total length of the press line can be shortened and the transfer press can be miniaturized. Further, since the second to fourth crowns 32A to 32C have their four corners supported by the first to fourth uprights 31A to 31D, respectively, there is no problem caused by an unbalanced load.

The third embodiment shown in FIG. 3 is a modification of the second embodiment and is a second and third upright 41B, 4A.
1C has a connecting step portion 41 formed only on one side, and the second and third crowns 42A and 42B adjacent to the front portion are fixed by the second tie rod 44 via the connecting step portion 43, and the rear portion. The third and fourth crowns 42B, 42 adjacent to
C is penetrated and fixed by a fourth tie rod 45 penetrating the bed 11 from the third and fourth crowns 42B and 42C via the second and third uprights 41B and 41C.

According to the third embodiment, the same effect as the second embodiment can be obtained. FIG. 4 shows a fourth embodiment in which the first embodiment and the third embodiment are combined.

The joining stepped portions formed on the second to fourth crowns 52A to 52C are formed on the joining projection 53 whose central portion projects toward the upstream side on the downstream side, and the joining projection 53 fits on the upstream side. The first tie rod 55, which is formed in the joining groove portion 54 that mates with each other, penetrates the second and third uprights 41B and 41C and the bed 11 via the joining protrusion portion 53 and the joining groove portion 54, respectively, and the second and third joining members. Step 43 for connecting the second to third uprights 41B and 41C from the crown
The second tie rod 56 that penetrates through and fixes the second tie rod 56 and the fourth tie rod 57 that penetrates the first and fourth uprights 41A and 41D and the bed 11 from the second crown 52A and the fourth crown 52C, 4 crown 52
A to 52C are connected and fixed on the first and fourth uprights 41A and 41D.

According to the fourth embodiment, in addition to the effect of the fourth embodiment, it is possible to fix with a higher strength.

[0034]

As described above, according to the invention described in claim 1, the ends of the adjacent crowns are engaged with each other through the joining step, and the upright and the bed are joined through the first tie rod. Since the upright between the press stages is supported integrally by the tie rods of the adjoining front and rear crowns, the front and rear width of the alite can be narrowed, and each crown is supported by the uprights at the four corners. , The distance between the press stages can be set short. Therefore, it is not necessary to provide an idle stage between the press stages, the transfer press can be downsized, and there is no influence of an eccentric load due to the bending of the frame.

Further, according to the second and third aspects, since the connecting step portion is formed on the press stage side of the upright, even if the front and rear width of the upper portion of the upright supporting the crown is wide, the front and rear width of the lower portion is narrow. Therefore, it is possible to widen the entrance / exit space of the bolster truck on which the mold is arranged on the bed. Therefore, it is not necessary to provide an idle stage between the press stages, the transfer press can be downsized, and there is no influence of an eccentric load due to the bending of the frame.

According to the invention of claim 4, the transfer press can be downsized and the crown can be more firmly supported by the upright by using the joining step and the connecting step together.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of a transfer press according to the present invention.

FIG. 2 is a side view showing a second embodiment of the transfer press according to the present invention.

FIG. 3 is a side view showing a third embodiment of the transfer press according to the present invention.

FIG. 4 is a side view showing a fourth embodiment of the transfer press according to the present invention.

FIG. 5 is a side view showing a conventional transfer press.

FIG. 6 is a side view showing a conventional transfer press.

[Explanation of symbols]

 P2-P4 2nd-4th press stage 21A-21D 1st-4th upright 22A-22C 2nd-4th crown 24A, 24B joining step part 25 1st tie rod 26A, 26B joining step part 27 1st Tie rods 31A to 31D First to fourth uprights 32A to 32C Second to fourth crowns 33A, 33B Connecting step portion 35 to 38 Second tie rod 40 Third tie rod 41A to 41D First to fourth upright 42A to 42C 1st-3rd crown 43 Connecting step 44 Second tie rod 45 4th tie rod 51A-51D 1st-4th aplite 52A-52C 1st-3rd crown 53 Joining protrusion 54 Joining groove 55 1st Tie rod 56 Second tie rod 57 Fourth tie rod

Claims (4)

[Claims] 1. An aplite is erected on an end of a press stage arranged along a press line and a bed between the press stages, and a crown having a slide corresponding to each press stage is arranged on the aplite. In the transfer press, while placing the aplite between each press stage, the crown is arranged independently for each press stage, to form a step for joining that engages adjacent crowns on the aplite, A transfer press comprising: a front and rear crown that penetrates through the joining step portion; and a first tie rod that connects and fixes the crown and the upright and the bed. 2. An aplite is erected on an end of a press stage arranged along a press line and a bed between the press stages, and a crown having a slide corresponding to each press stage is arranged on the aplite. In the transfer press, an aplite is arranged between each press stage, and a crown is arranged independently for each press stage, and the front and rear faces of the aplite between the press stages are connected so that the lower front and rear width becomes narrower. A second tie rod is provided that forms each step and penetrates the step of the upright from the end of the crown to connect and fix the upright and the crown, and a third tie rod that connects and fixes the upright and the bed. A transfer press characterized by having a tie rod. 3. An aplite is erected on an end of a press stage arranged along a press line and a bed between the press stages, and a crown having a slide corresponding to each press stage is arranged on the aplite. In the transfer press, an aplite is placed between each press stage, and a crown is placed independently for each press stage, and the front and rear widths of the lower part of the aplite between the press stages become narrower. Form a connecting step,
A second tie rod for connecting and fixing the upright and the crown is provided by penetrating the step portion of the upright from the end portion of the crown on the connection step side, and the adjacent tie rod, the upright and the bed are also connected and fixed. A transfer press having a fourth tie rod. 4. An upright is erected on an end of a press stage arranged along a press line and on a bed between the press stages, and a crown having a slide corresponding to each press stage is arranged on the upright. In the installed transfer press, an aplite is arranged between each press stage, and a crown is arranged independently for each press stage to form a joining step portion that engages with the adjacent crown on the aplite. , The front and rear crowns that pass through this joining step and the first tie rods that connect and fix the upright and the bed through the upright are provided. The connecting step is formed, and the end of the crown on the connecting step side is penetrated through the step of the upright. Transfer press, characterized in that a second tie rod connecting and fixing the light and the crown.