JP2526001B2 - Chamfering device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is designed for the corners and corners of metal, synthetic resin or wooden products or parts.
(C) A processing device that performs chamfering.

[0002]

2. Description of the Related Art A conventional device of this type is one in which a radius cutting tip is removably provided on a rotary shaft and a work table is fixedly mounted thereon, and the tip is cut according to the size to be processed. To replace.

[0003]

However, in a high-mix low-volume production, if the corner dimensions of one product differ from each other, it takes time and labor to replace the chips one by one, which lowers the production efficiency. Therefore, by placing a plurality of chips on the rotary shaft and moving either the work table or the rotary shaft in parallel and processing using the chips of the required size, the production efficiency can be improved. It is necessary to surely set the work table and a chip having a required size so as to face each other, and to securely fix and hold the work table during the processing without swinging. However, as described above, the above technique has not been established for this type of conventional device.

The present invention solves the above problems, and provides a chamfering apparatus which can set a work table and a chip having a required size so as to face each other by a simple operation, and can reliably hold the state. is there.

[0005]

According to the present invention, a plurality of chamfering blades are arranged on the outer periphery of a roller which is horizontally installed on a frame and which is horizontally installed at different intervals in the longitudinal direction. A work table provided on the roller or a movable member of either one of the rollers is provided so as to be movable along the longitudinal direction of the roller, and a fixing pin is detachably provided on either of the movable member of the work table or the roller. It is characterized in that the frame is provided with a plurality of engaging holes into which the fixing pins are fitted, the fixing means being provided at the same intervals as the intervals of the chamfering blades.

[0006]

Therefore, the work table is fixed by inserting the fixing pin into the engaging hole after moving the work table according to the machining size of the chamfer and engaging with the corresponding chamfering blade. is there.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS To explain the present invention in detail, as shown in FIGS. 1 and 2, a frame in which a front block 3 and a rear block 4 are opposed to each other on a base 1 and horizontal blocks 5 are provided on both sides thereof. 2, a roller 6 is installed between the front and rear blocks 3, 4 and is connected so as to be driven to rotate by a motor 7. The roller 6 is provided with a plurality of chamfering blades 8. Further, a saddle 9 is provided between the front and rear blocks 3 and 4 of the frame 2 so as to be reciprocally movable along the longitudinal direction of the roller 6 by a feeding device 10, and fixing means 11 is attached.
The work table 12 is fixed to the saddle 9,
As shown in FIG. 5, the corner angle of the work W is cut as shown by a chain line to have a round finish R, or as shown in FIG.
Is what you do.

The structure in which the chamfering blade 8 is provided on the roller 6 is
As shown in FIG. 3, a plurality of V grooves 13 are provided at intervals on the outer peripheral surface of the roller 6, and a chamfering blade 8 composed of a pair of chips is detachably attached to each V groove 13 symmetrically with an interval of 180 degrees. Further, the chamfering blades 8 of each V groove 13 have different dimensions, and it is preferable that the chamfering blades 8 are arranged so that the dimension is gradually increased or decreased from one V groove to the other. Some chips are suitable for synthetic resin, non-ferrous metal, and iron. You can choose the ones that are suitable for each, and you can attach each chip of the same size, or you can use the R and C chips. You can install them together.

As shown in FIGS. 1 and 2, the feeding device 10 has a pair of left and right guide shafts 14 installed between the front and rear blocks 3 and 4 of the frame 2, and a linear bush 15 inserted through each guide shaft 14. Fixed to the saddle 9,
Further, a screw rod 16 formed of a ball screw is pivotally supported at the center of the front block 3 of the frame 2 so as to project toward the rear block 4 in parallel with the guide shaft 14, and the front block 3 is provided at the tip of the screw rod 16. More protruding handle 1
7 is provided, and a nut 18 screwed to the screw rod 16 is fixed to the saddle 9. Therefore, by rotating the handle 17, the saddle 9 moves forward and backward along the guide shafts 14.

As shown in FIG. 1, the fixing means 11 mounts a board 19 on the saddle 9 so as to face one of the lateral blocks 5 of the frame 2 with an adjusting screw 20, and a fixing pin 21 by an index plunger is attached to the board 19. A plurality of engaging holes 22 into which the fixing pins 21 are inserted are formed on the upper surface of the horizontal block 5 which is provided upright and faces the substrate 19, and the intervals between the engaging holes 22 are the respective V grooves 13 of the roller 6. It has the same size as the interval. Further, a ball stopper 23 having a ball pressed by a spring is provided in a portion of the saddle 9 facing the upper side of the horizontal block 5, and a plurality of recesses 24 are formed on the upper surface of the horizontal block 5 so that the V grooves 13 of the roller 6 are spaced apart from each other. They are provided at intervals of the same size. Therefore, when the saddle 9 is moved by the feeding device 10 as described above, when the saddle 9 is moved after holding the fixing pin 21 pulled out from the engagement hole 22, the ball stopper 23 clicks into each recess 24. The locking pin 21 is aligned with the next engaging hole 22 by stopping the feeding when the locking pin 21 is engaged with the locking pin 21.
The selected chamfering blade 8 can be set to be usable by inserting the chamfering blades 8 into the facing engaging holes 22.

As shown in FIGS. 1 and 2, the saddle 9 is provided with V blocks 25 on the left and right with the roller 6 interposed therebetween.
Work table 1 bent into an L shape perpendicular to the block 25
2 is fixed, a window hole 26 is opened in the bending portion of the work table 12, and the cutting edge of the chamfering blade 8 faces the window hole 26.

In the above example, the saddle 9 is configured to slide, but as shown in the outline of FIG. 7, the saddle 9 is fixed and the motor 7 and the roller 6 connected thereto are slid. It may be configured to do so. Although not shown, the saddle 9 is slidably provided by the pair of guide shafts 14, the fixing means 11 is further provided, the screw rod 16 and the nut 18 of the example shown in FIG. 1 are omitted, and the saddle 9 is manually operated. It may be configured to move.

As shown in FIG. 8, a chamfering blade 8 having another structure is provided at one end of the roller 6 with a set collar 2
7, a male screw 28 is engraved on the other end, a key 29 is embedded between them, and a plurality of chamfering blades each having different dimensions are formed on the roller 6 by forming several blades on the outer periphery of the ring. 8 is inserted through the spacer 30, and the male screw 28
A tightening nut 31 is screwed onto the.

As another example, as shown in FIG. 9, a plurality of chamfering blades 8 may be directly provided on the roller 6 by polishing.

Due to the above structure, in order to chamfer the round R or the seam C on the work W, the chamfering blade 8 is selected according to the dimension to be finished, the fixing means 11 is set and held, and the roller 6 is rotated. The desired processing is performed by sliding the work W on the work table 12 while pressing it. If the finishing size is different, the setting is changed so as to correspond to the chamfering blade 8 according to the size. Just do it.

[0016]

According to the chamfering apparatus of the present invention,
A roller provided with a plurality of chamfering blades is rotated so that either the work table provided on the roller or the roller is provided so as to be movable in the longitudinal direction of the roller, and can be fixed at the position moved by the fixing means. Therefore, the chamfering blade can be changed to a required chamfering blade by moving according to the size of the chamfering process, and the exchanging work can be performed quickly and easily. Further, the fixing means is such that the fixing pin is provided on the moving member of either the work table or the roller so that the fixing pin can be freely inserted and removed, and the frame is provided with the engaging hole into which the fixing pin fits at the same interval as the chamfering blades. Since it is equipped with, it is not necessary to visually match the chamfering blade of the required dimension with the work table,
It can be accurately set only by inserting it into the engagement hole.

[Brief description of drawings]

FIG. 1 is a front view showing a partially cutaway chamfering apparatus according to the present invention.

FIG. 2 is a transverse sectional view of the same.

FIG. 3 is a front view showing a roller provided with a chamfering blade.

FIG. 4 is a perspective view showing a chamfering apparatus according to the present invention.

FIG. 5 is a cross-sectional view showing a main part of a work which has been chamfered.

FIG. 6 is a cross-sectional view showing a main part of a work having a chamfered seam.

FIG. 7 is a front view showing an outline of an example of a chamfering apparatus according to the present invention.

FIG. 8 is a perspective view showing a disassembled example of a chamfering blade.

FIG. 9 is a perspective view showing still another example of a chamfering blade.

[Explanation of symbols]

 2 frame 6 roller 7 motor 8 chamfering blade 9 saddle 10 feeding device 11 fixing means 12 work table 14 guide shaft 15 linear bushing 16 screw rod 17 handle 21 fixing pin 22 engaging hole

Claims (1)

(57) [Claims] 1. A plurality of chamfering blades (8) having different dimensions are arranged on the outer periphery of a roller (6) which is horizontally installed on a frame (2) and which rotates horizontally. 6) The work table (12) or the roller (6) provided on the movable member is provided so as to be movable along the longitudinal direction of the roller (6), and the work table (12) or the roller (6) is provided. A fixing pin (21) is detachably attached to either one of the moving members, and a plurality of engaging holes (2) into which the fixing pin (21) is fitted in the frame (2) are provided.
2. A chamfering device comprising: fixing means (11) provided with 2) at the same intervals as the intervals of the chamfering blades (8).