JP3313896B2 - Back gauge of plate processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back gauge of a sheet material processing machine, and more particularly to a back gauge of a sheet material processing machine having an improved mechanism for adjusting the front and rear of a workpiece abutting portion provided on the back gauge.

[0002]

2. Description of the Related Art Conventionally, as a plate material processing machine, for example, a fine adjustment mechanism for a work abutting member provided in a abutting portion provided in a back gauge for a press brake is a method in which a pin is pressed into a groove and the front and rear of the abutting member. In addition to adjusting the position in the direction, parallel adjustment was performed using screws.

[0003] More specifically, as shown in FIG. 6, an abutment portion 103, which is a member constituting the back gauge 101, is provided with a support shaft 10 mounted on an abutment base 105.
7 is provided rotatably.

[0004] The abutment portion 103 is provided with an abutment portion main body 10.
9, an intermediate butting member 111 and a butting member 113. As described above, the abutting portion main body 109 is rotatable up and down (in a direction perpendicular to the drawing in FIG. 6) on the abutting base portion 105 via the support shaft 107. 115 are provided integrally. The positioning base member 105 is provided with a position adjusting screw member 117 which abuts on the positioning piece 115 to perform positioning. Although not shown, the positioning piece 115 is inserted between the holding plate and the position adjusting screw member 117, and the position is adjusted. By adjusting the adjusting screw member 117, the abutting portion main body 109 is positioned vertically.

The intermediate abutting member 111 is fixed to a groove 119 formed on each of the right and left ends of the abutting portion main body 109 by a push pin 121 and a set screw 123, and is positioned in the front-rear direction (vertical direction in FIG. 6). A screw member 125 is provided at the center. Further, a spring 127 wound around the screw member 125 is provided between the abutting portion main body 109 and the intermediate abutting member 111, and the intermediate abutting member 111 is always moved forward by the elasticity of the spring 127. Being energized.

With the above configuration, by appropriately adjusting the push pin 121 and the set screw 123, the abutting portion main body 10 is adjusted.
9, the position of the intermediate abutting member 111 in the left-right direction (left-right direction in FIG. 6) can be determined, and also the positioning in the front-rear direction can be performed.

The abutting member 113 is vertically mounted on a bearing 111A protruding from one end of the intermediate abutting member 111 and is mounted on a fulcrum shaft 129. A pin 133 locking the spring 131 is screwed. The other side of the spring 131 is locked by a pin 135 screwed to a side surface of the intermediate abutting member 111, and constantly urges the abutting member 113 toward the intermediate abutting member 111. Further, a protruding portion 111B is formed on the front surface of the intermediate abutting member 111, and the distal end of the left and right parallel adjustment screw 137 mounted on the abutting member 113 is in contact with this protruding portion. Further, a positioning pin 139 is provided on the fulcrum shaft 129 side of the butting member 113.

With the above configuration, the left and right parallel adjustment screw 137 is provided.
Is rotated appropriately, so that the workpiece contact surface of the abutting member 113 can be adjusted in parallel.

[0009]

By the way, in the above-described fine adjustment mechanism of the work abutment member provided in the back gauge, the push pin 121 and the set screw 123 are inserted into the groove 119 formed in the abutment portion main body 109. And this push pin 1
21 and the set screw 123 are appropriately adjusted, and the screw member 1 is adjusted.
25 is used to position the abutment member 113 in the front-rear direction. Further, the parallel adjustment of the work contact surface of the abutment member 113 is performed by appropriately adjusting the left and right parallel adjustment screws 137.

[0010] For this reason, the position adjustment of the abutment member 113 requires a lot of manpower and time, and there is a problem that the cost is increased due to the complicated components and the workability cannot be improved. .

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the need for parallel adjustment of the butting member in the left and right directions, make the same thickness as that of a conventional butting member, and reduce the cost and improve workability with a simple member structure. An object of the present invention is to provide a back gauge for a processing machine.

[0012]

According to the present invention, there is provided a method comprising:
The invention according to claim 1 has been made in view of the following problem.
Is attached to the support member of the plate processing machine,
The width in the left-right direction is larger than that in comparison, and the cross-sectional shape is almost square.
The LM block which exhibits the provided left and right of the LM block
The width in the horizontal direction is wider than the depth in the vertical direction at the center of the direction.
Providing a well-formed groove in the front-rear direction and comparing the thickness in the vertical direction
The width in the left-right direction is large and the cross-sectional shape is almost square.
Of the LM rail to be inserted into the groove through a number of steel balls.
At the front end of the LM rail.
On the side with an integral contact plate for contacting the workpiece.
There is .

[0013] The invention according to claim 2 is the invention according to claim 1.
In the back gauge of a sheet material processing machine, the LM block
Front-back adjustment for fine adjustment of the front-back position of the contact plate with respect to
A screw is provided almost at the center in the left-right direction, and the LM
Always bias the LM rail backwards against the lock
An ammunition is provided on both left and right sides of the LM rail.
You .

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings. In addition, as a sheet material processing machine, for example, there is a press brake, a shearing machine, and the like, but is not limited to a model.In addition, since a back gauge provided in the sheet material processing machine has already adopted a known one, Detailed illustration and description are omitted.

Referring to FIG. 1, the work abutting portion 3 provided in the back gauge 1 is one of the main components of the back gauge 1. A plurality of workpiece support portions 3 are provided on a support member 5 which is a member, and the work abutment portion 3 is rotatably mounted on a support shaft 9 mounted on a support base portion 7 provided on the support member 5.

The work abutting portion 3 comprises a butting portion body 11 and an abutting member 13. It said abutting part body 11 becomes rotatable in the vertical direction via the support shaft 9 to the base 7 abutment as described above (direction orthogonal to the paper surface in FIG. 1), positioning the base parts body 11 abutting Piece 15
Are protruded integrally.

The positioning piece 15 is inserted between a position adjusting screw member 17 provided on the abutment base 7 and a pressing plate (not shown).

With the above configuration, the abutting portion main body 11 is positioned in the vertical direction by appropriately adjusting the position adjusting screw member 17.

The abutting portion main body 11 will be described in more detail. Referring to FIG. 2 to FIG.
Reference numeral 1 denotes a sliding member 19 which is formed of, for example, an LM guide. The LM guide has an LM block 21 on which an LM rail 25 is movably supported via a number of rigid balls 23.

The LM block 21 is evident from FIG.
The width in the horizontal direction is larger than the thickness in the vertical direction.
The cross section of the plate has a substantially square shape.
The LM block 21 shown in FIG.
As compared to the depth in the vertical direction
In the front-rear direction (FIG. 4
(In the straight direction) (without reference numeral) is formed.
The LM rail 25 is finely adjustable in the front and rear direction
I have .

The LM rail 25 is clearly shown in FIG.
The width in the horizontal direction is larger than the thickness in the vertical direction
The cross section has a substantially quadrangular shape.
On both sides of the LM rail 25, the large number of steel balls 23 (see FIG.
) Is engaged with the groove so as to be adjustable back and forth.
It is .

At the rear end of the LM block 21, the positioning piece 15 is integrally provided, and a hole 27 into which the support shaft 9 is inserted is formed. Further, LM block 2
1 of the front flange portion 21A on the (upper side in FIG. 2)
Holes 29 are provided on the left and right sides, and holes 21 are formed in the flange portion 21 </ b> A in the front and rear directions into which a support shaft provided with a resilient device for pulling the abutment member 13 described later in detail is inserted. Further, a screw hole 31 for attaching a pointer is formed on one side surface of the flange portion 21A, and the LM block
A contact plate 33 is attached to a front surface of the screw 21 with screws 35.

The LM rail 25 is provided with a plurality of mounting holes 37 for mounting the abutting member 13, and a stopper plate 39 is provided at a rear end side (lower side in FIG. 2) of the LM rail 25 with a plurality of screws 41. It is locked by. A groove 43 is formed on the front side of the LM rail 25.

Referring again to FIG. 1, the abutment member 13 is integrally fixed by a fastening member 45 mounted in a mounting hole 37 provided in the LM rail 25.
A front-rear adjustment screw 47 is screwed into the left and right center, and the tip of the front-rear adjustment screw 47 abuts on the abutment plate 33 mounted on the LM block 21.

[0025] With this configuration, by appropriately rotating the front and rear adjusting screw 47, abutment member 13 position <br/> location in the longitudinal direction is finely adjusted.

At the front end of the abutting member 13, an abutment plate 13A with which the work W abuts is integrally provided by a plurality of fastening bolts 49. The shaft 51 has a hole 2 provided in the LM block 21.
9 is inserted.

For example, a coil spring as an elastic machine 53 is mounted on the support shaft 51 on the back side of the flange portion 21A formed on the LM block 21, and a double nut 57 is mounted via a washer 55 mounted on the support shaft 51. , The ammunition 53 is stopped. Reference numeral 59 denotes the bullet 53
A guide tube for guiding Further, reference numeral 61 denotes a pointer, and a flange 63 of the LM block 21 is fixed by a screw 63.
It is screwed and integrated into a screw hole 31 provided on one side of 1A.

[0028] With this configuration, stop members 13 are being normally urged rearward by a support shaft 51 having a bullet machine 53 mounted on the flange portion 21A of the LM block 21, the fine adjustment of the front and rear adjusting screw 47 The position is adjusted , and the work contact surfaces of the contact plates 13A provided integrally with the contact members 13 provided on the plurality of work contact portions 3 can be aligned.

As described above, the abutting member 13 is integrally provided on the sliding member 19 as the abutting portion main body 11, so that the adjustment of the abutting member 13 in the left-right direction can be eliminated and the conventional push pin, Adjustment of the set screw is lost.
For this reason, the cost can be reduced and the workability can be improved by a simple member configuration that is easy to adjust, and the thickness of the work abutting portion 3 can be made the same as the conventional thickness.

[0030]

As can be understood from the above description of the embodiments, in short, the present invention provides a support provided in a plate processing machine.
The width of the member (5) in the horizontal direction compared to the thickness in the vertical direction
LM block with large cross section and almost square shape
(21) is provided, and the left-right direction of the LM block (21) is provided.
The width in the left-right direction is wider than the depth in the center
The front and rear grooves are provided and compared with the vertical thickness.
The width in the left-right direction is large and the cross-sectional shape is almost square.
On both sides of the LM rail (25) via a number of steel balls (23)
The LM is provided so as to be adjustable in the front-rear direction within the groove.
The work (W) contacts the front end of the rail (25).
The contact plate (13A) is provided integrally .

The invention according to claim 2 is described in claim 1.
The back gauge of the plate processing machine
Front and rear positions of the contact plate (13A) with respect to the hook (21)
The front and rear adjustment screw (47) that can be finely adjusted
The LM block (21) is provided at the center and
To constantly bias the LM rail (25) backwards
(53) are provided on both left and right sides of the LM rail (25).
It is a thing .

Therefore, according to the present invention,
The conventional problem can be solved .

[Brief description of the drawings]

FIG. 1 is a plan view showing a main part of the present invention and showing a work abutting part of a back gauge.

FIG. 2 is a plan view including a partial cross section showing a sliding member of the present invention.

FIG. 3 is a side view as viewed from the right side in FIG. 2;

FIG. 4 is a side view including a partial cross section taken along the arrow IV in FIG. 2;

FIG. 5 is an enlarged sectional view taken along line VV in FIG. 2;

FIG. 6 shows a conventional example, and is a plan view of a work abutting portion of a back gauge.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Back gauge 3 Work abutment part 11 Abutment part main body 13 Abutment member 19 Sliding member 21 LM block (LM guide) 25 LM rail (LM guide)

Claims (2)

(57) [Claims] 1. A supporting member (5) provided in a plate processing machine,
Cross-sectional shape with a large width in the horizontal direction compared to the thickness in the vertical direction
An LM block (21) having a substantially square shape is provided.
The LM block (21) is placed at the center in the left-right direction.
Front and rear with a wider width in the left-right direction than the depth in the downward direction
The width in the left-right direction compared to the thickness in the vertical direction
LM rail with large cross section and almost square shape
(25) on both sides of the groove through a number of steel balls (23)
The LM rail (2)
A contact plate (13) for contacting the work (W) is provided on the front end side of 5).
A) a plate material processing machine, wherein
Check gauge . 2. The backgutter of the plate processing machine according to claim 1.
Page, the LM block (21)
The front-rear adjustment screw allows fine adjustment of the front-rear position of the contact plate (13A).
The jig (47) is provided substantially at the center in the left-right direction and
The LM rail (25) for the LM block (21)
(53) that always urges the rearward of the LM rail
(25) A plate member provided on both the left and right sides.
Machine tool back gauge .