JPS5923865B2 - Apparatus for granulating wires made of synthetic materials, elastomeric materials or the like - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention has a feeding device placed in front of the cutting tool, and this feeding device is placed just before the cutting tool from the point where the linear material is introduced, and a counter cutter is placed in front of the cutting tool. A linear object made of a synthetic material, an elastomeric material or the like, comprising a transport roller for guiding the elongated linear object to a running platform formed of synthetic materials, an elastomer material or the like, with an introduction platform and an exit platform installed tangentially to the roller. The present invention relates to a device for granulating.

In this type of device, a belt conveyor presses the linear object against a transfer roller. Therefore, in order to guarantee the conveyance of the wire material up to just before the cutting tool, the belt conveyor must be wrapped around a turning roller with a relatively small diameter just before the cutting tool. High speeds cause correspondingly fast and sharp deflections of the belt conveyor, so that the belt conveyor is subjected to significant loads. The invention is based on the problem of designing the means for pressing the wire against the transport roller and guiding it reliably up to the cutting tool in such a way that this load does not occur. The problem is that a series of presser rollers face the transfer roller in the area between the introduction table and the run-off table, the diameter of which is much smaller than the diameter of the transfer roller, and the last presser roller in the passing direction is just before the cutting tool. This problem is solved by placing the vehicle facing the running platform. By arranging the pressure rollers of small diameter in immediate succession like a chain, a corresponding series of pressure points is created along the pressure range of the transfer roller up to the cutting tool, with a corresponding pressure point between them. Due to the small diameter of the holding roller, only a short gap remains, so that the linear object is guided almost without interruption.

At this time, the presser roller performs only rotational motion, and no acceleration or deceleration force is generated during continuous operation, so that it can withstand long continuous operation without difficulty. The figure shows an embodiment of the invention.

The linear material 2 is fed into the apparatus through a horizontal entry stage 1.

After leaving the entry platform 1, the wire enters the area between the transport roller 3 and the first of the six hold-down rollers 4 to 9. The hold-down rollers are arranged one after the other in a chain and are supported elastically in the direction of the transfer roller, so that they constantly press the wire 2 against the transfer roller 3 and are opposite the transfer roller 3. Since the holding rollers 4 to 9 have a much smaller diameter than the diameter of the transfer roller 3, a series of close pressing points is created and the linear object is reliably guided. Presser rollers 4 to 9
It is suggested by the dotted line tangent to the axis that the presser rollers 4-9 are subjected to a chain movement which drives all presser rollers 4-9 at the same speed. Since the diameters of the presser rollers 4 to 9 are the same, the circumferential speeds are also the same, and accordingly, the feeding of the linear material is also uniform accordingly. The pressing rollers 4 to 9 may also be driven by friction with the linear object 2. In order not to expose the wire material to too high a pressure load, and on the other hand to spread the frictional forces acting on it over as large an area as possible, the transfer roller 3 is provided with a body surface 10 made of an elastic material, and on the other hand, the transfer roller 3 is provided with a body surface 10 made of an elastic material, and on the other hand, the transfer roller 3 is provided with a body surface 10 made of an elastic material, and on the other hand, the transfer roller 3 is provided with a body surface 10 made of an elastic material.
has an elastic covering shown by the cross-shaded line.

This may be elastic plastic or rubber. Since the linear objects penetrate slightly into the coating of the cylinder surface 10 or the presser rollers 4 to 9, they are particularly easily removed. It is also possible to provide only the pressure rollers 4 to 9 with an elastic coating. The drive of the transfer rollers is connected by a chain 11 with the drive of the presser rollers 4-9. Since the chain 11 runs over the chain wheel 13 mounted on the shaft 12 of the transfer roller 3 and is also wrapped around the presser roller 4, by selecting a suitable gear ratio, the transfer roller 3 and the presser rollers 4 to 9 can have the same circumference. Driven by speed. In this case, the chain 11 is also led to deflection rollers 14 which are used to tension the chain 11. The drive of the transfer roller 3 will be discussed in detail below. The linear object is transferred to the transfer roller 3
As it is carried around, it finally reaches a delivery table 15, the end of which is opposite to the transport roller 3, forms a counter cutter 16 to the cutter 17.

There, the last hold-down roller 9 faces the run-off stage 15 just before the cutter 17, so that it is possible to guide the linear material directly in front of the cutter, which acts as a cutting tool. The hold-down roller 8 then takes over a constant guiding of the wire 2 in the region in which it leaves the transport roller 3 and is sent to the take-off platform 15. The granulation process proceeds as follows.

When the linear object 2 is fed through the feed table 1, it is caught by the first presser roller 4, which transfers the linear object to the transfer roller 3.
to press against. The linear object 2 is then held in frictional contact with the transfer roller 3 by the next presser rollers 5 to 8, and finally reaches the projecting platform 15, where it is pressed against the last presser roller 9.
It can be captured by Since the linear object 2 is guided to just before the cutter 17 in this way, the linear object 2 is guided just before the cutter 17.
Since there is no possibility of jamming in front of the cutter, the cutter evenly shreds the linear material into granular material 18. Depending on the width of the device, a corresponding number of linear objects guided in line can be cut into granules, and linear objects of different diameters can also be granulated.

This is because the linear object 2 is particularly elastic due to the elasticity of the body surface 10.
This is because the difference in thickness can be compensated for. The drive of the cutter 17 is effected by a chain 19 which wraps around a drive chain wheel 20 on the one hand and a chain wheel 21 which rests on the shaft of the cutter 17 on the other hand. A chain wheel 22 is then driven by a chain wheel mounted on the same shaft, and this chain wraps around a chain wheel 23 mounted on the shaft 12 of the transfer roller 3. In this way, it is ensured that all parts that are rotated starting from the drive chain wheel 20 are driven synchronously.
The device comprises a casing 24, from which downwardly extends a vertical hole 2.
5 protrudes from which particles fall.

[Brief explanation of the drawing]

The figure shows the cutting of the device of the invention. Explanation of the symbols of the main parts of the figure, 1... Running platform,
2... Linear object, 3... Transfer roller, 4
~9... Presser roller, 15... Running table, 17... Cutting tool.

Claims (1)

[Claims] 1. It has a feeding device that is placed in front of the cutting tool, and this feeding device runs from the entry point of the linear object to the running table that is arranged just in front of the cutting tool and forms a counter cutter for it. for granulating wires made of synthetic materials, elastomer materials or the like, comprising a transport roller for guiding the wire, with an entry and exit stage arranged tangentially to this roller; In this device, a series of press rollers (4 to 9) face the transfer roller 3 in the range between the entry table 1 and the delivery table 15, and the diameter of the press rollers is larger than the diameter of the transfer roller 3. The granulating device is much smaller and is characterized in that the last presser roller 9 in the passing direction is arranged directly in front of the cutting tool 17 and opposite the run-off table 15 .