JPS603961B2 - radial grinding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a radial grinding device in which radial angle indexing of the material is automatically performed when the material is gripped by a material holder and rotated by an operating means.

Conventionally, in radial grinding such as long pressing, a trapezoidal pillow b shown by a solid line is placed on a slide base a as shown in Figure 1 of the drawing, a material c with a fan-shaped cross section is placed on this pillow b, and the material c is The wooden grips g and h' are supported by the guide f of the wooden support lotus e so that the apex A coincides with the point where the extension line of the upper surface of the slide base a intersects with the line of sight of the lock d. First, grind the first product, then make wood grips g and h from material c.
, and change the pillow b of material c to one with twice the oblique angle as shown by the chain line in the same figure, and adjust the positions of the wooden grips g and h according to the change in the height of material c. , and grind the second product by supporting the wooden grips g and h' so that the apex A of the material c coincides with the above-mentioned point. By changing the grip of material c by g and h, an arbitrary angle is determined with the apex A of material c always aligned with the opening, and the third and subsequent products are ground. Therefore, the above operations require a lot of effort and time.
There was a problem that the cost of the product increased significantly. The present invention was made to solve this problem, and by simply fixing the material to a material holder with a claw and rotating this holder using an operating means, radial angle indexing can be automatically and quickly performed. The purpose of the present invention is to provide a radial grinding device that enables low-cost manufacturing of radial products such as long presses.

Next, an example of the implementation of the radial grinding device according to the present invention will be described with reference to the drawings. In FIGS. 2 and 5 of the drawings, reference numeral 1 denotes a material transport vehicle, which moves forward and backward with its wheels on a track laid on the side of the band key 2 as is known in the art, to feed material to the band saw 2.

Reference numeral 3 designates a plurality of slide bases (only one is shown in the drawing) provided on the village transport vehicle 1 so as to be perpendicular to the forward and backward direction of the vehicle, and a headstock is mounted on top of the slide base as shown by the chain line in FIG. 2 of the drawing. 4 is mounted on the head stock 4, and the head stock 4 is moved forward and backward by a known walking mechanism.A guide 5 is attached to one side of the head stock 4, and upper and lower wooden coins 6, 7 are attached to this guide 5. As is well known, it is supported so that it can be raised and lowered and taken in and out.

8 is the material for long press, split the log into four and make it into a fan shape.
The apex a is cut off so that it can be grasped by a claw, which will be described later.

Reference numeral 9 denotes a plurality of pedestals mounted on the material transport vehicle 1 in parallel with the slide base, and a lever 10 whose front end is attached to the lower front side of the slide base 3 with a shaft 10, as shown in FIGS. 2 and 6 of the drawings. 11, are connected to each other by a pair of equal length links 12, 13 parallel to each other, and the equal length links 12, 13 have a downward extension 12' to the one 12 nearer the axis 10' of the lever 11. A lever 16 rotated by a drive shaft 14 is connected to the extended portion 12', and the slide base 3 is attached to the pedestal 9.
The operating means A is configured to give a rolling motion centered on the intersection point s of the extension line of the upper surface of the chain 2 and the line of sight of the belt chain 2.

B is a means for rotating the drive shaft 14 of the lever 15 in the operating means A, and as shown in FIG.
A manual type is used, in which a pinion 20 is fixed to the output wheel i9 of a worm reducer 18 which is rotated by a handle 17, and this pinion 20 is engaged with a fan-shaped gear 21 fixed to the drive shaft 14, or as shown in FIG. 3 of the drawings. The input shaft 23 of the worm reducer 22, whose output shaft is directly connected to the drive shaft 14, is connected to the motor 24.
An electric type, which is rotated by use.

Reference numeral C denotes an indexer, and in the case of the manual type shown in FIG.
When the handle 17 is rotated until it touches, it is possible to index the angle corresponding to one radial product. When using a rotating means B such as a cylinder type as shown, the drive shaft 14
An indexer such as a conventional electric walker is used, which detects the rotation angle of the motor and controls the operation of the rotating means B based on the detected value.

Reference numeral 31 denotes a guide provided on the side surface of the material holder 9, and sliding bodies are provided at the front and rear sides of the material holder 9, as shown in FIGS. 2 and 5 of the drawings. 32 and 33 are movably engaged, and small claws 34 and 35 for gripping the material 8 are provided correspondingly to the tank moving bodies 32 and 33.

Reference numeral 36 denotes an operating means for opening and closing the interval between the pawls 34 and 35. Using a cylinder, the cinder 36 is attached to the sliding body 33 at the rear as shown in FIGS. 2 and 5, and the piston rod 37 is attached to the front. is connected to the sliding body 32 of the piston rod 37 to separate the pawl 34 from the pawl 35,
By retracting the piston rod 37, the pawl 34 is brought closer to the pawl 35.

Reference numeral 38 denotes an operating means for advancing and retracting the claws 34 and 35 that grip the material 8. Using a cylinder, the rear end of the cylinder 38 is attached to a protrusion 39 provided on the lower rear end of the material holder 9. The piston rod 40 is connected to the front sliding piece 32, and the pawls 34, 35 grip the material 8 by feeding out the piston rod 40.
approaches the line of sight of the band mirror, and the claws 34 and 35 that grip the material 8 move away from the line of sight of the band mirror due to the line of the piston rod 39, thereby aligning the desired sawn material position of the material 8 with the band key 2. It is.

Next, the operation of the radial grinding device according to the present invention will be explained.

Place the pedestal 9 for the material 8 at the same height as the top surface of the slide base 3 as shown in FIG. If you align it with the line, the apex a of the material 8 is not actually cut, but since this part coincides with the intersection s of the line of sight of the band chain 2 and the extension line of the top surface of the slide base, operate in this state. Means 3
When the moving body 32 is moved by 6 and the claw 34 is moved toward the claw 35 side, the material 8 is gripped by the claws 34 and 35 as shown in FIG. If there is any deviation between the apex a and the intersection s, the operating means 38 moves the claws 34 and 35 at the same time, and the apex a and the intersection s are shifted.
When the levers 15 are rotated in the same direction, the levers 15 are rotated in the same direction. , since the extension part 12' of the link 12 is pushed upward and the lever 11 is placed in the state shown by the solid line in FIG.
, 13 is rotated upward by a predetermined angle, the frame is cut off as shown by A in the figure, and a part of the material 8 is moved to the left side of the band saw extension line a. Perform the first indexing. At this time, the feeder wheel 1 is sent to cause the material 8 to be sawed by the band mirror 2, and after sawing, the feeder wheel 1 is returned and the operating means A is operated in the same manner as described above by driving the rotating means B.
When the pedestal 9 is rotated by a predetermined angle and tilted as shown in the figure, a part of the material 8 moves to the left side of the band mirror extension line a, and the second indexing is performed. At this time, the transport vehicle 1 is sent to grind the material using the belt chain 2, and after splitting, the transport vehicle 1 is returned and the pedestal 9 is rotated by a predetermined angle using the operating means A. ~Change the slope sequentially as shown in E,
By performing indexing for the third and subsequent times and repeating the operation of advancing and retracting the material transport vehicle 1 each time, the work of obtaining radial products such as long presses and the like by sequentially breaking the material 8 will be automatically and efficiently performed. It is something that can be done. In addition, this operation requires drawing No. 5.
If you use an indexer C as shown in the figure or an electric indexer C not shown in the figure and regulate the index angle by such means,
The indexing operation becomes easier and the efficiency and accuracy of the indexing is further improved.

As mentioned above, in the radial sawing device of the present invention, the material is supported on the pedestal by a pair of claws, and the pedestal is rotated by the operating means around the intersection of the extension line of the upper surface of the slide base and the line of sight of the bandsaw. Since it is a device that moves, if the cradle is successively placed at a predetermined angle using the operating means, the indexing operation to feed out the material one product at a time from the belt lock extension line will be performed automatically, making the work easier. By saving labor and increasing efficiency, it is possible to significantly reduce the processing cost of radial products and make it possible to offer them to the market at low prices.

In particular, with this device, the material is held on a pedestal, and this pedestal is rotated by the operating means around the intersection of the extension line of the slide base and the line of sight of the band mirror. Since it is carried out reliably based on the standard, the shape and dimensions are constant, and the wood grain is well-aligned, it also has the effect of producing a product with high commercial value.

[Brief Description of the Drawings] Fig. 1 is a front view showing the state of conventional radial grinding. FIG. 2 is a front view of a radial grinding device according to the present invention. Third
3 and 4 are plan views of the means for rotating the drive shaft of the operating means, with FIG. 3 showing an electric type and FIG. 4 showing a cylinder type.
FIG. 5 is a plan view of a portion of the village transport vehicle showing the arrangement of this device. FIG. 6 is an explanatory diagram showing the operation of the operating means. 1 in the diagram
is a material transport vehicle, 3 is a slide base, 9 is a material pedestal, A is an operating means, s is the intersection of the upper surface extension of the slide base 3 and the line of sight of the band mirror 2, 34 and 35 are claws that grip the material 8; 36,
Reference numeral 38 represents operating means for the claws 34 and 35. Ta 3 Zuren 4 Diagram Key ■ Zuko 2 Zumine 5 Zuko 6 Diagram

Claims (1)

[Claims] 1. A material transport vehicle that advances and retreats on the side of the band saw, and a plurality of slide bases mounted on the material transport vehicle orthogonally to the direction of movement;
A plurality of material holders are attached to the material conveying car in parallel with these slide bases, and a pair of material gripping claws are movably supported at the front and rear parts of these material holders and whose spacing is opened and closed by an operating means. A radial sawing device characterized in that it is equipped with an operating means for giving the material holder a rotational movement centered on a point where an extension of the upper surface of the slide base intersects with the line of sight of the band saw.