JPH0448887Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial field of application> The present invention is designed to process continuous chips from a beveling machine used for beveling after gas cutting steel plates used for welded structures, etc. This invention relates to a cutting device for cutting into small pieces.

<Prior art and its problems> Generally, steel plates used for welded structures etc. must be beveled after gas cutting, but this beveling process involves, for example, shearing the bevel shape with a rotating cutter. Bevel processing machine (e.g. Plumax (product name))
is used.

Such a beveling machine generates continuous chips corresponding to the length of the beveling of the steel plate. Conventionally, the length was used as scrap, but the problem was that the beveled length resulted in various shapes, making it bulky and difficult to carry.

Therefore, various cutting machines for such chips have been devised, such as a rotary drum type shear cutting machine and a pusher type cutting machine.

However, such a cutting device is independent from the above-mentioned beveling machine, and has the disadvantage that it generates vibration noise when cutting chips, making it extremely noisy and causing significant damage to the cutting blade. Was.

In view of these circumstances, it is an object of the present invention to provide a chip cutting device for a beveling machine that can stably cut continuous chips from the above-mentioned beveling machine without vibration noise.

<Means for Solving the Problems> The configuration of the present invention to achieve the above object is to provide a cutting device for cutting continuous chips generated from a beveling machine that shears the groove shape of a member. A main body fixed to the cutting outlet side of the processing machine, a fixed guide fixed to the front side of the main body, one end hinged to the fixed guide, and the other end pushed toward the fixed guide by an elastic member. a guide guide that serves as a passage for the chips to the cutting mechanism; and a surface unevenness shape that is vertically pivoted inside the other rotatable ends of the fixed guide and the movable guide. A guide roller consisting of a pair of rollers, which is rotatably driven to send the chips to the cutting device, and a pair of cutting blade gears each having a cutting blade and pivotally mounted in the main body, and which is rotatably driven. a cutting device in which the position where the cutting blades meet is slightly shifted in a direction opposite to the rotation from the position connecting the rotational axes of the cutting blade gears, and the cutting blade gears are rotationally driven to cut the chips; The present invention is characterized by comprising a driving means for driving the guide roller and the cutting device in the same manner.

<Function> In the above configuration, by rotationally driving the guide roller and the cutting mechanism, chips generated from the beveling machine pass through the guide guide and enter between the rotating guide rollers, and are cut by the guide rollers. Guided between rotating cutting blade gears,
Cutting is performed by the cutting blade of this cutting blade gear.

<Example> Hereinafter, a preferred example of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a perspective view showing the entire assembly of the cutting device according to the present embodiment attached to a beveling machine (Pulmax), Fig. 2 is a view in the direction of arrow A, and Fig. 3 shows the overall configuration of the cutting device. 4 is a partially enlarged perspective view showing the relationship between the guide roller and the cutting blade gear, FIG. 5 is an enlarged view showing the relationship between the cutting blade gear and chips before cutting, and FIG. 6 is an enlarged perspective view showing the relationship between the cutting blade gear and chips before cutting. It is an enlarged view showing the relationship between the cutting blade gear and chips during cutting.

As shown in these drawings, the cutting device 1 according to this embodiment has one end fastened to the lower surface 3 of the main body 2, and the other end fastened to the chip outlet side 6 of the beveling machine 5. It is supported by a pedestal 4,
A guide 8 that serves as a passage for the chips 7 extends from the main body 2 to a location where the chips 7 are generated. This guide 8 has a shape in which a cylindrical body is vertically divided into two parts, one of which is a fixed guide 9 fixed to the guide receiving plate 17 of the main body 2, and the other is a fixed guide 9 fixed to the upper and lower surfaces of the fixed guide 9. The moving guide 10 has one end rotatably attached via a pin 15 to a support plate 14 fixed to the support plate 14 and the other end pivoting around the pin 15. In addition, this moving guide 10
A spring receiving rod 16 is provided protruding from the outside of the other rotating end of the guide receiving plate 17, and a spring receiving rod 18, which is penetrated by the spring receiving rod 16, is provided protruding from the guide receiving plate 17. This spring receiver 18
By installing a spring 19, which is an elastic member passed through the spring receiving rod 16, between the movable guide 10 and the movable guide 10, the other end of the movable guide 10 is pressed toward the fixed guide 9. . Here, a guide roller 13a that is pivotally supported by upper and lower housings 11a and bearings 12a is installed inside the fixed guide 9 on the main body 2 side, and the movable guide 10 is similarly equipped with upper and lower housings 11b and bearings. A guide roller 13b, which is pivotally supported by the guide roller 12b, is provided therein, and the guide roller 13b is always pressed against the guide roller 13a by the spring 18.

Next, a drive mechanism for rotationally driving these guide rollers 13a and 13b will be explained. A sprocket 24 is rotated by a sprocket 22 fixed to a drive shaft supported by a drive bearing support 53 of a geared motor 21 at one end of the upper surface 20 of the main body 2 through a chain 23 extending in an inverted triangular shape. It is attached to the other end of the upper surface 20, and this sprocket 24 is connected to a helical gear 26 via a drive shaft 25. This helical gear 26 is fixed by a pillow block 27 to a lower housing 34 fixed above the guide 8 on the upper surface 20, and meshes with a helical gear 28 whose shaft angle is right angle. . This helical gear 2
8 and a helical gear 29 meshing therewith are fixed to shafts 30a and 30b, respectively, and these shafts 30
a and 30b are bearings 35a and 35b, respectively
is supported by the lower housing 34 and the upper housing 33 via the helical gear 2.
8 and 29 are the guide rollers 13b and 13a.
The driving force of the geared motor 21 is transmitted. Here, the helical gear 28 and the guide guide roller 13b are connected via a universal joint 31a connected to each and a pin 32a connected to these, and this pin 32a transmits rotation around the axis. It is designed to allow for axial extension. Further, the connection between the helical gear 29 and the guide roller 13a is similarly performed using the universal joint 3.
1b and a pin 32b which is similarly coupled to these. With such a drive mechanism,
The guide rollers 13a and 13b are rotationally driven.

Next, the cutting mechanism will be explained. Cutting blade gears 36 and 37 each having a plurality of cutting blades 36a and 37a (six in the drawing) are driven by drive shafts 38 and 39, respectively.
Gears 40 and 41 that mesh with each other are fitted to one end, and bearings 42a and 42b and the housing 4
Side plate 4 of main body 2 via 3a, 43b
When these cutting blade gears 36 and 37 are rotationally driven, the respective cutting blades 36a and 37a can continuously cut the chips 7 into small pieces.

These cutting blade gears 36 and 37 are driven by a geared motor 21 similarly to the guide rollers 13a and 13b. That is, a sprocket 45 is fixed to the end of the drive shaft 38 of the upper cutting blade gear 36 on the gear 40 side, and the lower end of the chain 23 is spanned over this sprocket 45, so that the cutting blade gear 36 is rotationally driven,
At the same time, the lower cutting blade gear 37 is rotationally driven via the gears 40 and 41.

The operation of the cutting device 1 described above will be explained starting from the operation of the groove processing machine 5.

First, in FIG. 1, a beveling member 52 conveyed on a conveying roller 51 is pushed into a cutting blade 50 of a beveling machine 5. As shown in FIG. As a result, the member 52 is beveled, and chips 7 are continuously generated. The chips 7 enter the guide guide 8, and the guide roller 13a on the fixed side that is rotationally driven and the spring 19 attached thereto.
The guide roller 13b on the moving side is pressed and rotated by the elastic force of the moving guide roller 13b.
As shown in FIG. 4, the chips 7 are drawn in by the rotation of the guide rollers 13a and 13b and sent to a position between the cutting blade gear 36 and the cutting blade gear 37, which are rotationally driven. ,3
7 cutting blades 36a and 37a successively cut.
The state immediately before this cutting is shown in FIG. 5, and the state immediately after this is shown in FIG. 6, respectively. The thus cut pieces are received in the scrap receiving box 54 and conveyed.

In the cutting device 1 as described above, it is preferable that the guide roller 10a on the fixed side has a slightly smaller roller diameter than the guide roller 10b on the movable side. In the above embodiment, the guide roller 10a
The roller diameter of the guide roller 10b is 40 mm, and the roller diameter of the guide roller 10b is 60 mm. Further, it is preferable that the surfaces of these guide rollers 10a and 10b be uneven.

Also, when comparing the diameters of the upper cutting blade gear 36 and the lower cutting blade gear 37, it is better that the upper one is slightly larger, and in the above embodiment, the upper cutting blade gear 3
6 has a blade diameter of 168 mm, and the blade diameter of the lower cutting blade gear 37 is 159 mm. Furthermore, the position of the cutting blade 37a of the lower cutting blade gear 37 immediately before cutting as shown in FIG. 5 is preferably 25 mm from the center in the above-mentioned embodiment in which there are six blades.

In the above embodiment, the cutting blade gears 36, 37 and the gear 4
0 and 41 are separate bodies, but each may be an integral structure. Further, the cutting blades 36a and 37a of the cutting blade gears 36 and 37 may be configured to be fastened. Further, the driving means for driving the cutting blade gears 36, 37 and the guide rollers 13a, 13b are not limited to those described above, and various methods can be considered. For example, the transmission means from the geared motor 21 may be used instead of the chain 23. It can also be constructed by replacing it with a combination of gears. Further, in the above embodiment, the axes of the guide rollers 13a and 13b are vertical shafts that are orthogonal to the axes of the cutting blade gears 36 and 37, and the chips 7 are
Although the feed to the cutting blade gears 36 and 37 is stabilized, it is of course not limited to this.

<Effects of the invention> As explained above in detail with the examples, if the chip cutting device for a beveling machine according to the present invention is used, it can be easily attached to a beveling machine and the chips can be stably cut. Since the chips are guided and cut by rotating the cutting blade gear, there is no impact noise or vibration, it is extremely quiet, and it is easy to reduce the size and weight. Further, since the chips after cutting are not bulky, subsequent workability is improved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the entire assembly of the cutting device according to the present embodiment attached to a beveling machine (Pulmax), Fig. 2 is a view taken in the direction of arrow A, and Fig. 3 shows the overall configuration of the cutting device. 4 is a partially enlarged perspective view showing the relationship between the guide roller and the cutting blade gear, FIG. 5 is an enlarged view showing the relationship between the cutting blade gear and chips before cutting, and FIG. 6 is an enlarged perspective view showing the relationship between the cutting blade gear and chips before cutting. It is an enlarged view showing the relationship between the cutting blade gear and chips during cutting. In the drawing, 2 is the main body, 4 is a pedestal, 5 is a beveling machine, 7 is a chip, 8 is a guide, 9 is a fixed guide, 10 is a moving guide, 13a, 13b are guide rollers, and 14 is a support plate. , 15 is a pin,
16 is a spring bearing rod, 19 is a spring, 21 is a geared motor, 23 is a chain, 36 and 37 are cutting blade gears, and 36a and 37a are cutting blades.

Claims (1)

[Scope of utility model registration request] A cutting device for cutting continuous chips generated by a beveling machine that shears the bevel shape of a member, which comprises a main body fixed to the cutting outlet side of the beveling machine, and a main body fixed to the front side of the main body. a guide guide which serves as a path for the chips to the cutting mechanism, and comprises a fixed guide having one end hinged to the fixed guide and a movable guide having the other end pressed toward the fixed guide by an elastic member; ,
a guide guide comprising a pair of rollers each having an uneven surface that is vertically pivoted inside the rotatable other ends of the fixed guide and the movable guide, and which feeds the chips to the cutting device by being rotationally driven; It consists of a roller and a pair of cutting blade gears each having a cutting blade and each being pivotally mounted within the main body, and the position where the cutting blades meet each other due to rotational drive is opposite to the rotation from the position connecting the rotation axis of each cutting blade gear. It is characterized by comprising a cutting device which cuts the chips by rotating the cutting blade gears and which are slightly shifted in the direction, and a driving means which drives the guide roller and the cutting device in the same manner. Chip cutting device for beveling machines.