JP2001087923A - Edge preparing device for long steel plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an edge preparing device for welding of steel plates allowing a reduction of a floor space for installation and capable of properly machining the plate edges even if the plate(s) is bent. SOLUTION: A plate feeding means 31 is formed from a receptacle rollers 29 and pressing rollers 30 in such a way as pinching a plate feeding path 28 formed over a roller type table 3. A machining unit 12 and tracing means 17 elevated and sunk by a pressing means 25 are installed in a void 4 in the table 3. A tracer roller 22 of the means 17 is abutted to the bottom surface of a work W, and the position of a cutter 15 for machining installed in the machining unit 12 is restricted, and the machining is conducted using the tracer roller 22 as the reference.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a groove processing apparatus for performing a required groove processing such as a K-shaped groove on an end of a long steel plate (hereinafter referred to as "work").

[0002]

2. Description of the Related Art FIG. 6 is an explanatory view of a conventional groove processing apparatus. As shown in this figure, in the conventional one, a long steel plate (work W) is transferred on a horizontal conveyor 101 by so-called solid placement (upside and bottom sides are set as upper and lower surfaces).
a, two cutters 102a, 1 provided for Wb
The groove processing is performed by 02b. And
The positions of the cutters 102a and 102b are
Are fixedly set in accordance with the width dimension of.

[0003]

As described above, in the conventional groove processing machine, the work W is transferred with the solid placed. For this reason, when the work W is wide and long, a large floor space is required even with the horizontal conveyor 101 alone, and there is a problem that the machine equipment becomes extremely large if the cutting means is included. .

[0004] In addition, since the cutters 102a and 102b are fixedly arranged and processing is performed, if the accuracy in the width direction of the work W is poor, the cut shapes of the edge portions Wa and Wb are not uniform.
There is a problem that accurate root face dimensions cannot be obtained. For this reason, particularly in the case of the workpiece W selected by fusing or a bent material, there is an adverse effect that a welding defect is caused by a groove defect.

The present invention has been made in view of the above-mentioned problems of the prior art, and can greatly reduce the floor space required for installation. An object of the present invention is to provide a long steel plate beveling apparatus that can always appropriately perform beveling.

[0006]

Means for Solving the Problems In order to achieve the above-mentioned object, an apparatus for beveling a long steel plate according to the present invention is configured as follows.

[0007] That is, the gist of the invention is that a material feeding means is disposed on both sides of a material feeding path formed above the table, and that the material is operated by a pressing operation means below the table. The present invention is characterized in that a copying roller abutting on a lower end surface of a work and a cutter for cutting whose position is regulated by the copying roller are provided.

According to a second aspect of the present invention, there is provided the groove processing apparatus according to the first aspect, wherein the copying roller and the cutting cutter are disposed so as to be shifted from each other in the front-rear direction, and the material feeding path is properly positioned. The invention is characterized in that a detection switch for detecting the passage of the front end and the rear end of the work is provided, and the pressing operation means is operated by an output signal of the detection switch.

According to a third aspect of the present invention, in the groove processing apparatus according to the second aspect, the material feeding means includes a fixed receiving roller and an operable pressing roller, and the receiving roller and the pressing roller are formed of a work. The gist is that they are arranged corresponding to the front and back surfaces of the.

In the groove processing apparatus according to the first aspect of the present invention, the work is set upright and transferred with the lower end face thereof placed on a table. When the pressing operation means is operated during this transfer, the copying roller comes into contact with the lower end surface of the work, and sets the position of the cutter for cutting. The copying roller is always in contact with the lower end surface of the work, and therefore, the groove processing can be performed based on the reference.

In the beveling device according to the second aspect of the present invention, when the detection switch detects the passage of the front end of the work, the copying roller moves up and abuts the lower end surface of the work, and the cutter is preliminarily prepared. Set to the processing position. When detecting the passage of the rear end of the work, the copying roller moves down with an appropriate time lag, and sets the cutter to the retracted position after the completion of the groove processing.

In the groove processing apparatus according to the third aspect of the present invention, the receiving roller and the pressing roller come into contact with both side surfaces of the work in an upright state, and the workpiece is transferred in a clamped state. The receiving roller and the press roller are both arranged in a state of extending in the upright direction.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of an apparatus for forming a groove of a long steel plate according to the present invention. In FIG. 1, reference numeral 1 denotes a base 2, a frame provided on an upper portion of the base 1, and a roller type table 3 provided on a front side and a rear side of an upper portion of the frame 2 except for a central space 4. The table 3 has a right side lower than a left side as shown in FIG.

5 is a frame 2 parallel to the table surface 3a.
The left and right slide base 6 is movably disposed on the guide rail 5. The left and right slide base 6 includes a feed screw shaft 7 provided on the frame 2 side and a left and right slide base 6 side which is screwed with the feed screw shaft 7. The movement can be adjusted by right and left adjustment means constituted by the nut body 8 and the operation handle 9 of the feed screw shaft 7.

Reference numeral 10 denotes a guide rail 1 provided on the left and right slide bases 6 in a vertically moving direction (perpendicular to the table surface 3a).
Reference numeral 1 denotes an elevating slide base movably disposed on the guide rail 10, and a cutting unit mounted on the elevating slide base 11. This cutting unit 12
A spindle 14 in the left-right direction supported by a bearing cylinder 13, a cutter 15 attached to an end of the spindle 14,
It is constituted by a driving motor 16 linked to the spindle 14 via transmission means.

The cutting cutter 15 is a combination of two frusto-conical cutters, and has a V-shaped cutting surface as shown in FIG. The cutting cutter 15 is arranged in the cavity 4 corresponding to the lower end surface of the work W.

Reference numeral 17 denotes a copying means provided on the elevating slide base 11 at a position on the front side of the cutting unit 12. The copying means 17 is rotatably provided on a bearing cylinder 18 provided on the elevating slide base 11 and a bearing cylinder 18. A support shaft 20, a copying roller 22 attached to an eccentric shaft portion 21 at one end of the support shaft 20, a rotation operation lever 23 provided at the other end of the support shaft 20,
It is constituted by a lock handle 24 for fixing the rotation operation lever 23 at an arbitrary position. The copying roller 22 is disposed in the space 4 corresponding to the lower end surface of the work W.

Reference numeral 25 denotes a lifting / lowering slide base 11
Pressing operation means for raising and lowering the cutting unit 12 and the copying roller 22 The pressing operation means 25 is constituted by a hydraulic cylinder 26 and a piston rod 27,
When the piston rod 27 is extended, the cutting unit 12 is raised, and when the piston rod 27 is contracted, the cutting unit 12 is lowered.

Reference numeral 28 denotes the cutting unit 12, the copying means 1
Feeding path for work W formed above table 3 including feed path 7 On both sides of this feeding path 28, a feeding means 3 constituted by a fixed receiving roller 29 and an operable pressing roller 30
1 is arranged. The receiving roller 29 and the pressing roller 30 described above.
Contacts the front and back surfaces of the work W and is positively driven by a drive motor (not shown) to exert a transfer force.

The pressing roller 30 is provided on the front side and the rear side of the cutting cutter 15 and the copying roller 22, respectively. Reference numeral 32 denotes a clamp operating means for moving the pressing roller 30 toward and away from the receiving roller 29 to clamp the workpiece W in the material feeding path 28. Constitute.

Reference numeral 35 denotes the copying roller 2 in the material feeding path 28.
Detector switch with front side 2 as detection position
The detection switch 35 outputs a detection signal according to the presence or absence of the work W, and determines and confirms whether the work W has passed through the start end and the end through the output signal. When it is confirmed that the work W has passed through the starting end (change from a non-material state to a material state), the clamp operating means 32 operates, the pressing roller 30 presses the work W, and the pressing operating means 25 operates to perform cutting. The processing unit 12 and the copying means 17 move upward.

When it is confirmed that the work W has passed through the end (change from a material to a non-material state), the pressing roller 30 is separated from the work W by the clamp means 32, and the cutting unit 25 is pressed by the pressing means 25. 12. The copying means 17 moves downward. The operations of the clamp operating means 32 and the pressing operating means 25 are performed in a timely manner after a lapse of a predetermined time from the start and end of the workpiece W.

Reference numeral 36 denotes a front auxiliary table disposed at a front position of the table 3. Reference numeral 37 denotes an auxiliary receiving roller disposed at a position forward of the receiving roller 29. Rear auxiliary table 39 disposed at a rear position of the table 3. It is an auxiliary receiving roller disposed at the position.

The configuration of the groove processing apparatus according to one embodiment is as described above, and performs groove processing of a long steel plate (work W) as follows.

For this purpose, the work W is first supplied to the front auxiliary table 36 by a lifting operation by a crane operation or the like, and is sent backward by manual operation. The work W is in a so-called upright posture, but is stable because the back side is supported by the auxiliary receiving roller 37. When the starting end of the workpiece W reaches the table 3, the positive backward rotation automatically starts the backward transfer.

When the starting end of the work W reaches the position of the detection switch 35, the front pressing roller 30 operates in a direction to close the interval of the material feeding path 28, so that the work W is reliably transferred by clamping. Then, in this state, the pressing operation means 2
5, the cutting unit 15 and the copying means 17 are raised. Thereby, the copying roller 22 comes into contact with the lower end of the workpiece W. This raising operation is performed before the starting end of the work W reaches the position of the cutter 15 for cutting.

The rising position of the cutting cutter 15 is regulated by the contact operation of the copying roller 22, and the cutting is performed with reference to the lower end surface of the work W. The relative setting of the cutter 15 for cutting up and down with respect to the copying roller 22 is performed by rotating the eccentric shaft 21 with the rotation operation lever 23.
Adjust by doing. The setting of the work W in the left-right direction is performed by adjusting the left-right slide base 6 with an operation handle.

When the position of the lower end surface fluctuates due to the lifting or bending of the work W, the copying roller 22 moves up and down in accordance with the change, so that the abutting state is always maintained. Processing is performed. For this reason,
The beveling process can be performed by always cutting the cutter 15 uniformly to the lower end surface of the work W.

When the above-mentioned cutting process progresses and the end of the work W passes the detection switch 35, the hydraulic cylinder 26 of the pressing operation means 25 locks the operation, and fixes the positions of the copying roller 22 and the cutter 15 for cutting. Hold. And
The state is maintained until the required time, that is, the end of the work W passes the position of the cutter 15. by this,
Groove processing can be performed smoothly up to the end of the work W.

The workpiece W that has been cut is transferred onto the rear auxiliary table 38. When the end of the workpiece W passes through the rear feed roller 30, the clamping operation is released and the feed roller 30 is moved to the material path 28. To increase the interval. Therefore, the worker can carry out the processed work W on the rear auxiliary table 38.

Although not particularly described in the above-described embodiment, as shown in FIG.
) Is appropriately inclined with respect to the horizontal, and the auxiliary receiving rollers 37 and 39 are disposed so as to be perpendicular to the inclined surface, so that the work W can be prevented from falling forward and the work safety can be improved. Can be.

Further, in one embodiment, the copying roller 22 is provided solely at the front position of the cutter 15 in order to simplify the mechanical structure. In addition, it can be provided at the rear position. In addition, the copying operation can be performed by selectively using both. Further, although the number of the detection switches 35 is one, a large number of them may be arranged before and after the cutter position, and the operation of the pressing operation means 25 and the operation of the clamp operation means 32 may be controlled.

[0033]

As described above, according to the bevel processing apparatus for a long steel sheet according to the present invention, a workpiece can be transported in an upright state, and can be processed with a cutter corresponding to the lower end face. is there. Therefore, an excellent effect of being able to operate in a narrow floor space is exhibited. In addition, a copying roller is brought into contact with the lower end surface of the work, and a cutting position is set based on the copying roller to perform cutting. For this reason, even if it is a bent material, it has an excellent effect that a groove can be accurately formed.

According to the second aspect of the present invention, only one detection switch is required, and the configuration can be simplified. According to the third aspect of the present invention, the workpiece can be clamped and strongly transferred.

[Brief description of the drawings]

FIG. 1 is an overall side view showing an embodiment of a groove processing apparatus according to the present invention.

FIG. 2 is also a front view.

FIG. 3 is an explanatory side view showing a configuration of a main part.

FIG. 4 is an explanatory view cut along line XX of FIG. 3;

FIG. 5 is an explanatory view similarly cut along line YY in FIG. 3;

FIG. 6 is an explanatory view showing a configuration of a conventional groove processing apparatus.

[Explanation of symbols]

 Reference Signs List 3 Table 3a Table surface 11 Elevating slide base 12 Cutting unit 15 Cutting cutter W Work 17 Copying means 22 Copying roller 25 Pressing operating means 26 Hydraulic cylinder 28 Feeding path 31 Feeding means 32 Clamp operating means 35 Detection switch

Claims (3)

[Claims] 1. A material feeding means is arranged on both sides of a material feeding path formed above a table, and is contacted with a lower end surface of a work by a pressing operation means at a lower portion of the table. A groove processing apparatus for a long steel plate, comprising a copying roller and a cutter for cutting whose position is regulated by the copying roller. 2. A copying apparatus according to claim 1, further comprising: a copying roller and a cutter for cutting, which are displaced from each other in a front-rear direction, and a detection switch for detecting passage of a front end and a rear end of a work is provided at an appropriate position in a material feeding path. 2. The beveling device for a long steel plate according to claim 1, wherein the pressing operation means is operated by an output signal of the detection switch. 3. The material feeding means comprises a fixed receiving roller and an operable pressing roller, and the receiving roller and the pressing roller are disposed corresponding to the front and back surfaces of the work. 2. A groove processing apparatus for a long steel plate as described in 2.