JPH0638578Y2 - Material support for plate processing machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a material support in a plate material processing machine such as a press brake.

(Prior Art) Conventionally, for example, in a press brake as a plate material processing machine,
A back gauge is provided on the rear side of the lower table for abutting and positioning the work when the work is bent. Then, when the work is brought into contact with the back gauge to be positioned and the work is bent, it is necessary to support the work in order to maintain the processing accuracy.

In order to support the work, a plurality of support bodies extending in the front-rear direction are provided at the rear part of the lower table, and the support body is provided with support rollers for supporting the work so that the support member swings in the front-rear direction. ing.

(Problems to be solved by the invention) By the way, in the above-mentioned conventional material support, since the support member swings in the front-back direction, the pitch between the support members is limited to the height of the support member, and the pitch is reduced. There was a problem that I could not.

Further, since the support member is directly attached to the support body, there is a problem that the workability of assembling is poor and it takes time.

SUMMARY OF THE INVENTION An object of the present invention is to provide a material support in a plate material processing machine which can make the pitch of the support members smaller than in the conventional case and can be easily assembled in order to solve the above problems.

[Constitution of device]

(Means for Solving the Problems) In order to achieve the above object, the present invention supports a work when a work is abutted against a back gauge provided on the rear side of a lower table to perform positioning and plate processing. A material support in a plate material processing machine, wherein a plurality of support main bodies extending in the front-rear direction are provided at the rear part of the lower table, and the support main body is provided with a work supporting member on the upper part and is swingable in the left-right direction An appropriate number of support members were provided to form a material support for a plate processing machine.

Further, according to the invention, in the material support in the plate material processing machine, the set of support members are housed in an appropriate number of sub-boxes, and the sub-boxes are assembled as a unit to the support body. .

(Operation) By adopting the material support in the plate material processing machine of the present invention, a set of support members provided with a work supporting member on the upper portion is provided on the support body provided in the rear portion of the lower table and extending in the front-rear direction. Since it is swingably provided in the right and left directions, the work is supported by the work supporting member by erecting the support member from the tilted waiting position to the supporting position.

Since the support members are provided so as to swing in the left-right direction, the pitch between the support members in the front-rear direction can be reduced. In addition, since one set of support members is housed in the sub-box and this sub-box is unitized, the sub-box can be easily assembled to the support body and freely combined with the sub-box. Scaled.

(Embodiment) Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

Referring to FIGS. 5 and 6, for example, a press brake 1 as a plate material processing machine is fixedly erected on the floor surface GL by a plurality of anchor bolts 3 and the like. The press brake 1 is composed of side frames 5R, 5L and a front plate 7 attached to the front side of the side frames 5R, 5L.

The front plate 7 is provided with a lower table 11 having a die 9 on the upper portion thereof, and the lower table 11 is vertically moved by the operation of a vertically moving cylinder 13 provided at the lower portion.

A fixed upper table 15 is provided on the upper front side of the side frames 5R, 5L. A punch 19 is attached to the lower part of the upper table 15 by a mold holder 17.

With the above configuration, the work to be processed is placed on the die 9, the vertical movement cylinder 13 is operated, and the lower table 11 is moved up and down.
It will be bent at a desired angle in cooperation with.

A back gauge device 21 is provided on the rear side of the lower table 11. That is, as shown in FIG. 5, a plurality of support members 23 extending in the front-rear direction are attached to the upper side of the rear side of the lower table 9 in FIG. A stretch 25 extending in the left-right direction is provided on the support member 23 so as to be movable back and forth.

A plurality of back gauges 27 are attached to the stretch 25 in the left-right direction in FIG. 5 at appropriate intervals. A plurality of material supports 29 are attached to the rear side of the lower table 11 at appropriate intervals in the left-right direction.

With the above configuration, when the work is bent, the work is positioned by placing the work on the die 9, moving the stretch 25 in the front-rear direction, and positioning the back gauge 27. Further, when the work is positioned on the back gauge 27, the work is supported by the material support 29.

The side frame 5L is provided with an NC control device 33 for controlling the press brake 1 via a bracket 31.

A pit 35 is provided on the front side of the body of the press brake 1 with an appropriate depth. Further, a plurality of plate material tracking devices are provided at appropriate positions in the left-right direction of the front plate 7.
37 and front gauge 39 are provided. Plate material tracking device
The reference numeral 37 moves up and down to follow the work when the work is bent, but since the specific configuration is known, detailed description thereof is omitted. Further, a plate material reversing device 41 is provided below the press brake 1 in FIG. 5 and is used when reversing the work.

A material support 29 is provided on the rear side of the lower table 11. More specifically, as shown in FIGS. 1, 2, 3, and 4, a support block 43 is provided at the rear part of the lower table 11 (the right part in FIGS. 1 and 2). Are fixed with multiple bolts 45. The support block 43
There is a 43A formed on the rear part. The dovetail 43A is engaged with a dovetail groove 47B formed in a base portion 47A integrated with the front portion of the support body 47, and the plurality of bolts 4A
Installed at 9.

The height of the support body 47 is adjusted with respect to the support block 43 by adjusting a height adjusting bolt 51 as shown in FIG. This support body 47
Adjusting the height of the can accommodate molds of different heights.

In this embodiment, two sub-boxes 53 are easily attached to the support body 47 as a unit by a plurality of bolts 55. As shown in FIG. 4, a pair of fluid pressure cylinders 57R and 57L are mounted in each sub box 53 at an angle with a pin 61 via a bracket 59 as shown in FIG.

Piston rods 63R and 63L are attached to the tips of fluid pressure cylinders 57R and 57L, respectively.
Joints 65R and 65L are attached to the tip of. The joints 65R and 65L are respectively fixed to the lower side of links 69R and 69L as support members which can swing in the vertical direction by pins 67.

The links 69R and 69L are integrally formed with shafts 73R and 73L that are rotatably supported by the sub box 53 by the pins 71, and the upper portions of the links 69R and 69L are support rollers 75R as rotatable work supporting members. , 75L is supported by pin 77. Further, the shafts 73R and 73L have projection members 77R and 77L.
Is attached to the stopper members 79R, 77L provided on the sub-box 53 when swinging.
It serves to stop at 79L.

With the above configuration, when the work W is supported on the support rollers 75R and 75L as shown in FIG. 1, when the fluid pressure cylinders 57R and 57L are operated to extend the piston rods 63R and 63L, the sub box 53 Link 69 collapsed and stored
The shafts 73R and 73L swing up and down in the left-right direction with the pin 71 as a fulcrum, so that the shafts R and 69L are erected as shown in FIGS. 1 and 4. The work W is supported on the support rollers 75R and 75L rotatably supported on the links 69R and 69L.

When the work W does not need to be supported by the support rollers 75R, 75L, the fluid pressure cylinders 57R, 57L are operated to contract the piston rods 63R, 63L. , 69L swings in the left-right direction and is housed in the sub box 53.

In this way, the link 6 with a pair of support rollers 75R, 75L
Since the 9R and 69L are oscillated in the left-right direction, the pitch between the links 69R and 69L in the front-rear direction can be made smaller than in the conventional case. Therefore, since an appropriate number of links 69R and 69L can be provided at an appropriate pitch in the front-rear direction, the work W can be sufficiently supported according to the weight of the work W.

Also, links 69R, 69L with a pair of support rollers 75R, 75L
Can be easily assembled to the support body 47 in a state where the is housed in the sub box 53 as a unit. Therefore, the combination of the sub boxes 53 can be freely expanded / contracted.

The present invention is not limited to the above-described embodiments, but can be implemented in other modes by making appropriate changes. For example, in this embodiment, the press brake 1 has been described as a plate material processing machine, but a plate material processing machine such as a shirring mine is also applicable.

[Effect of device]

As can be understood from the above description of the embodiments, according to the present invention, a plurality of support bodies provided in the rear portion of the lower table and extending in the front-rear direction are provided with a pair of supports having a work supporting member on the upper portion. Since the member is provided so as to be swingable in the left-right direction, the work can be supported by the work support member by erecting the support member from the tilted waiting position to the support position.

Since the support members are provided so as to swing in the left-right direction, the pitch between the support members in the front-rear direction can be reduced. In addition, since one set of support members is housed in the sub-box and this sub-box is unitized, the sub-box can be easily assembled to the support body, and the sub-box can be freely expanded and contracted. can do.

[Brief description of drawings]

FIG. 1 shows the main part of the present invention, and is an enlarged side view of the material support of the I arrow part in FIG. 5, FIG. 2 is a plan view in FIG. 1, and FIG. 3 is III in FIG. -A sectional view taken along the line III, Fig. 4 is a side view of Fig. 1, Fig. 5 is a plan view of a press brake according to an embodiment of the present invention, and Fig. 6 is a right side view of Fig. 5. Is. 1 ... Press brake 11 ... Lower table 27 ... Back gauge 29 ... Material support 47 ... Support body 53 ... Sub box 57R, 57L ... Fluid pressure cylinder 63R, 63L ... Piston rod 69R, 69L ... Link (support member) 75R, 75L ... Support roller (work support member)

Claims (2)

[Scope of utility model registration request] 1. A material support in a plate material processing machine for supporting a workpiece when a workpiece is abutted against a back gauge provided on the rear side of a lower table to perform plate material processing. A plate material processing machine characterized in that a plurality of support main bodies extending in the front-rear direction are provided, and a proper number of a set of support members provided with a work support member on the upper part and swingable in the left-right direction are provided on the support main body. Material support in. 2. The apparatus according to claim 1, wherein the set of support members are housed in an appropriate number of support boxes, and the sub-box is assembled as a unit to the support body. Material support for plate processing machines.