JP2954888B2 - Slicing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a slicing apparatus, and more particularly to a slicing apparatus capable of easily and accurately slicing an elastic body made of rubber or resin.

[0002]

2. Description of the Related Art Conventionally, when a power transmission belt is formed, for example, each component of the power transmission belt is cut out as a strip-shaped test piece in order to check whether or not the formed power transmission belt has suitable physical properties. In general, various physical property tests are performed using this test piece.

In order to cut out the test piece, it is necessary to slice the power transmission belt to a predetermined thickness. The sliced portion will be described by taking a V-ribbed belt a shown in FIG. 7 as an example. b, between the outer canvas c and the inner canvas d (shown with an arrow A), between the canvas layer b (the inner canvas d) and the upper rubber layer e (shown with an arrow B), Between the upper rubber layer e and the adhesive rubber layer f (shown with an arrow C), between the adhesive rubber layer f and the core wire g (shown with an arrow D), and between the adhesive rubber layer f and the lower rubber. This is between a rib rubber layer h as a layer (indicated by an arrow E) and the like.

As shown in FIG. 8, a procedure for cutting a test piece p from a V-ribbed belt a is as follows. First, a worker (a person who intends to perform a test or a person requested by the person) attaches a V-ribbed belt a to a worktable i. Place it horizontally on top and hold this V-ribbed belt a with your left hand j. Next, the operator holds the cutter k with the right hand m
And make a cut to the position where it is to be cut out on the V-ribbed belt a with the cutter k. Thereafter, the cutter k is strongly pushed forward while the cutting edge o of the cutter tooth n is maintained at about 5 to 10 ° with respect to the V-ribbed belt a, and the V-ribbed belt a is sliced to a predetermined thickness to obtain a strip-shaped test piece p. Get. At this time, since the blade edge o tends to sway in the vertical direction due to the pushing resistance of the cutter k, the V-ribbed belt a is sliced so that the thickness does not vary while finely adjusting the sway with the sense of the right hand m.

[0005]

However, since the above method relies on the intuition, tips, and skills of the worker, when a beginner or a clumsy person slices the V-ribbed belt a, the cutting edge o of the cutter k is reduced. The test piece p is largely shaken in the vertical direction, and the thickness of the cut test piece p is inevitably varied, so that the test piece p cannot be cut into a uniform thickness.
Further, even a skilled person has difficulty in cutting out a test piece p having a uniform thickness unless the cutter k is carefully pushed forward with great care, and the cutting work is currently troublesome.

[0006] The present invention has been made in view of such a point, and an object thereof is that anyone can easily and accurately slice a material to be sliced such as a V-ribbed belt without relying on the intuition of a skilled person. Is to do so.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, once a cutting position of a cutter with respect to a material to be sliced is set, an apparatus is provided so that the cutting position does not change, and an automatic apparatus is provided. It is characterized by the following.

More specifically, the present invention is directed to a slicing apparatus for slicing a band-shaped material to be sliced to a predetermined thickness, and has taken the following solution.

That is, a first solution of the present invention is as follows.
A feed pulley is provided as a drive pulley on which the sliced material is wound, and the wound material to be sliced is sent to the downstream side in the feeding direction by a rotation operation. Furthermore, a delivery roll as a driven roll is disposed close to the delivery direction downstream side of the delivery pulley outer peripheral surface, and the delivery roll is pressed against a sliced material delivered by the rotation operation of the delivery pulley. With the frictional force,
The material to be sliced is forcibly fed by rotating the tool. Further, the guide roll is disposed close to the upstream side in the feeding direction of the outer peripheral surface of the feed pulley, and the guide roll is brought into contact with the sliced material fed by the rotation operation of the feed pulley, and the guide roll is caused by the frictional force. To
The slicing material is guided by the following rotation. In addition, a double-edged cutter is arranged close to the outer peripheral surface of the feed pulley between the feed roll and the guide roll, and the cutter is fed back to the sliced material fed by the rotation of the feed pulley. The material to be sliced is sliced to a predetermined thickness by cutting at a predetermined depth from the cutting direction.

With the above arrangement, in the first solution of the present invention, the sliced material is wound around the feed pulley, and is guided while being extended and compressed by the rotation of the feed pulley and the feed roll. Guided out by rolls. During this time, the double-edged cutter cuts the sliced material at a predetermined depth, slices the sliced material to a predetermined thickness, and cuts out a thin thin piece such as a strip-shaped test piece.

Therefore, if the cutting angle of the cutter is set in advance before the cutting operation, the cutting edge of the cutter does not fluctuate in the vertical direction during the cutting operation, and the thin piece is always cut out with a constant thickness. The slicing material can be sliced easily and accurately by a beginner without relying on intuition, tips and skills. In addition, since the cutting operation proceeds at a predetermined speed by leaving it to the machine, the operator only has to set the material to be sliced on the feed pulley first, so that no labor is required.

According to a second aspect of the present invention, in the first aspect, the cutting angle of the cutter with respect to the sliced material is set to 2 to 5 ° with respect to a horizontal plane.

With the above arrangement, according to the second solution of the present invention, the cutter does not warp due to the resistance at the time of cutting, so that the cutter does not bite too much or run away.
The slicing material smoothly and accurately enters the target position, and the slicing accuracy is further improved.

According to a third aspect of the present invention, in the first aspect, the position of the cutter with respect to the feed pulley can be finely adjusted by a micrometer.

With the above arrangement, in the third solution of the present invention, the position at which the cutter enters the material to be sliced is set precisely and in fine units, and the thickness of the cut thin piece is freely set.

According to a fourth aspect of the present invention, in the first aspect, the rotation speed of the feed pulley is controlled by a variable speed motor.

With the above arrangement, in the fourth solution of the present invention, the cutting speed of the cutter is freely set according to the material of the material to be sliced and the penetration depth of the cutter (thickness of the thin piece to be cut). The slicing accuracy is further improved.

According to a fifth aspect of the present invention, in the first aspect, the pressing force of the delivery roll against the material to be sliced is set to ² to 5 kg / cm ² . Further, the invention is characterized in that the guide roll is lightly contacted with the material to be sliced without being pressed.

With the above arrangement, in the fifth solution of the present invention, the delivery roll is pressed against the sliced material without slipping, so that the sliced material is reliably delivered and does not hinder the cutting operation. .

[0020]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 show a slicing apparatus according to an embodiment of the present invention. In FIGS. 1 to 3, reference numeral 1 denotes a work table, and a rectangular mounting plate 3 is erected at one end of the work table 2 of this work table 1 (in front of the paper surface in FIG. 1). A variable speed motor 4 is installed on the work table 2 behind the mounting plate 3 (in the back of the drawing in FIG. 1), and a drive pulley 5 is mounted on an output shaft 4 a of the variable speed motor 4. A driven pulley 6 is mounted on a shaft 7 on the side of the variable speed motor 4, and the shaft 7 is rotatably supported by bearings 8 horizontally.
An electromagnetic clutch 9 is interposed between the driven pulley 6 and the bearing 8. An endless belt 10 is wound around the driving pulley 5 and the driven pulley 6, the torque of the variable speed motor 4 is transmitted to the driven pulley 6 by the endless belt 10, and the rotation of the variable speed motor 4 is The force is transmitted to the shaft 7 or cut off.

The shaft 7 penetrates through the mounting plate 3 and a feed pulley 11 as a drive pulley is mounted near the tip thereof. The feed pulley 11 is driven by the variable speed motor 4 to reduce the rotation speed. Rotate while controlling. Also, the shaft 7
A handle 12 is attached to the end of the feeding pulley 11 so that the feeding pulley 11 can be rotated manually. A circumferential groove 11a (indicated by a broken line in FIG. 6) is formed on the peripheral surface of the feed pulley 11, and a V-shaped belt-like material to be sliced is formed.
The ribbed rubber layer of the ribbed belt 29 (refer to FIG. 7 for the structure) is fitted into the circumferential groove 11a, the V-ribbed belt 29 is wound around the feeding pulley 11, and the wound V-ribbed belt 29 is rotated by the feeding pulley 11. , So that the paper is fed downstream in the feeding direction. The outer diameter of the feed pulley 11 varies depending on the thickness, bending rigidity, and the like of the V-ribbed belt 29. In short, the outer diameter of the V-ribbed belt 29 may be such that a cutting edge 15a of the cutter 15 described later can easily enter. When the thickness is 4 to 6 mm, the feed pulley 11 having an outer diameter of about 80 mm may be employed.

A cutter holder 13 is disposed obliquely above the feed pulley 11 and supported by a rotating shaft 14 and is arranged close to the feed pulley 11. As shown in FIG. A double-edged cutter 15 made of a carbide blade, which is sandwiched and positioned by two pins 30 and fixed by bolts 31, is mounted. Thus, the cutter 15
The reason is that the V-ribbed belt 29 cannot be sliced into a uniform thickness due to the occurrence of biting with one blade. The thickness of the cutter 15 is, for example, about 0.5.
mm on both sides of the tip, as shown in FIG.
Is set to about 2.5 °, but the blade thickness and material of the cutter 15 may be determined in consideration of sharpness, strength, and the like according to the material to be sliced. The cutter 15 is disposed between the delivery roll 27 and the guide roll 22, which will be described later, close to the outer peripheral surface of the delivery pulley 11, and is attached to a V-ribbed belt 29 which is delivered by the rotation of the delivery pulley 11. The V-ribbed belt 29 is cut by the cutter 15 at a predetermined depth from the reverse feeding direction.
Is sliced to a predetermined thickness.

A bar 17 having a contact portion 17a at the upper end is connected to the other end of the rotating shaft 14 so as to protrude upward, while a swing cylinder 18 is provided on the back side of the mounting plate 3. The tip of the piston rod 18 a of the swing cylinder 18 is pivotally connected to the upper end of the bar 17. Then, the cutter 15 is rotated around the rotation axis 14 by the expansion and contraction operation of the swing cylinder 18, and as shown in FIG. 6, the cutting angle β of the cutter 15 with respect to the V-ribbed belt 29 is set to 2 to 5 ° with respect to the horizontal plane. It is supposed to.

A micrometer 19 is mounted on the upper end of the mounting plate 3 by a bracket 20, and the micrometer 19 turns a front end spindle 19b by turning a rear end knob 19a, and displays the amount of advance. In addition to the indication on the portion 19c, the lock 19d positions the spindle 19b so as not to move. That is, by setting the amount of advance of the spindle 19b of the micrometer 19 finely, the contact portion 17a of the bar 17 is brought into contact with the tip of the spindle 19b, whereby the cutting angle β of the cutter 15 is obtained.
Is set so that the position of the cutter 15 with respect to the feed pulley 11 is finely adjusted, so that the V-ribbed belt 29 can be sliced with a unit thickness of 0.1 mm.

As shown in FIG. 4, the cutter holder 1
3, a support plate 21 is horizontally protruded from one end of the support plate 3, and a long hole 21a extending vertically
Are formed. A shaft 23 for supporting the guide roll 22 is inserted and attached to the elongated hole 21a so as to be vertically adjustable so that the guide roll 22 is located upstream of the outer peripheral surface of the feed pulley 11 in the feed direction. are arranged close to, its frictional force in contact with the V-ribbed belt 29 fed by the rotation of the infeed pulleys 11
The V-ribbed belt 29 is guided by the following rotation. The guide roll 22 has a V-ribbed belt 29
Are merely in light contact with the V-ribbed belt 29 without being pressed against the V-ribbed belt 29 so as not to come off from the circumferential groove 11a. Such adjustment is performed by moving the shaft 23 vertically in the elongated hole 21a and positioning the shaft 23.

A pressing cylinder 24 is disposed on the front side of the mounting plate 3, and a plate 25 is provided at the tip of a horizontally extending piston rod 24 a of the pressing cylinder 24.
The plate 25 is supported and attached to the guide rod 26, and the plate 25 has a delivery roll 27 as a driven roll.
Are rotatably supported and attached to the attachment 28. In this mounted state, the delivery roll 27 is arranged close to the downstream side of the delivery pulley 11 in the delivery direction on the outer peripheral surface, and the delivery roll 27 is fed by the rotation operation of the delivery pulley 11.
Followed rotation by the frictional force by pressing against the ribbed belt 29
The V-ribbed belt 29 is forcibly fed out. The pressing force of the delivery roll 27 against the V-ribbed belt 29 is
2 to 5 kg so that a friction force greater than the cutting force of 5 can be obtained
/ Cm ² .

[0028] Then, procedure of slicing a V-ribbed belt 29 to a predetermined thickness by slicing device constructed as described above, first, the retracting roll 27 sends to contract actuating the push pressure cylinder 24, the virtual FIG By line
As shown, the swing cylinder 18 is contracted to retract the cutter 15 and the guide roll 22, and in this state, the V-ribbed belt 29 is set in the circumferential groove 11 a of the pulley 11. The spindle 19b of the micrometer 19
Is adjusted in advance to set the cutting angle β of the cutter 15 to 2 to 5 °.

Next, as shown by the solid line in FIG. 1, the swinging cylinder 18 is extended and the contact portion 17 of the bar 17 is extended.
a is brought into contact with the tip of the spindle 19b of the micrometer 19, and the cutter 15 is set at a predetermined cutting angle β. At the same time, the guide roll 22 comes into light contact with the V-ribbed belt 29 without pressing.

Next, as shown by the solid line in FIG. 1, the pressing cylinder 24 is extended and the delivery roll 27 is advanced, and the delivery roll 27 is attached to the V-ribbed belt 29 by a predetermined amount (2 to 5 kg / cm ² ). Press with the pressing force of.

Thereafter, the variable speed motor 4 is started to rotate the feed pulley 11 at a predetermined rotation speed, and the rotation of the feed pulley 11 and the feed roll 27 causes the V-ribbed belt 29 to expand and compress while the V-ribbed belt 29 is extended and compressed. The ribbed belt 29 is sent out and sent out by the roll 27 so that the cutter 15 is cut into a predetermined depth, the V-ribbed belt 29 is sliced to a predetermined thickness, and a test piece 29a is cut out. Then, the cut test piece 29a is used as a material for a physical property test, and the physical properties of the V-ribbed belt 29 are inspected.

As described above, since slicing is automatically performed by machining without manual operation, it is necessary to set the cutting angle β of the cutter 15 in advance before the slicing operation, and it The V-ribbed belt 29 can always be sliced with a constant thickness and without any trouble, without relying on intuition, knack and skill, and with high accuracy, and the intended test piece 29a can be cut out.

Further, since the cutting angle β of the cutter 15 with respect to the V-ribbed belt 29 is set to 2 to 5 ° with respect to the horizontal plane, the cutter 15 can be smoothly and smoothly formed on the V-ribbed belt 29 without warping due to resistance at the time of cutting. It is possible to accurately enter the target position, and the slice accuracy can be improved.

Further, since the position of the cutter 15 with respect to the feed pulley 11 is finely adjusted by the micrometer 19, the entry position of the cutter 15 with respect to the V-ribbed belt 29 can be set precisely and in fine units, so that the test piece can be set. 29a can be freely set in units of 0.1 mm.

Further, since the rotation speed of the feed pulley 11 is controlled by the variable speed motor 4, the material of the V-ribbed belt 29 and the penetration depth of the cutter 15 (the thickness of the test piece 29a to be cut out) ), The cutting speed of the cutter 15 can be freely set, and the slicing accuracy can be further improved.

In addition, since the pressing force of the feed pulley 11 against the V-ribbed belt 29 is set to ² to 5 kg / cm ² , the delivery roll 27 is moved to the V-ribbed belt 29.
The V-ribbed belt 29 can be reliably fed out without slipping, so that the slicing operation is not hindered.

In this embodiment, the case where the material to be sliced is the V-ribbed belt 29 has been described. However, the present invention is not limited to this. Any single band or composite material such as rubber or resin may be used. Needless to say, the specimen is not limited to the test specimen.

In this embodiment, the cutting angle β of the cutter 15 is adjusted by extending and retracting the swing cylinder 18 and rotating the cutter holder 13 with the rotation shaft 14 as a fulcrum. The cutting angle β of the cutter 15 may be adjusted by moving the cutter 15 vertically and horizontally by another mechanism.

[0039]

As described above, according to the present invention, the material to be sliced as a driving pulley is wound around a sending pulley, and is sent out while applying a predetermined pressing force with a sending roll as a driven roll. In the process, the material to be sliced is sliced to a predetermined thickness with a cutter set at a predetermined cutting angle, so the slicing can be performed without relying on the intuition, tips and skills of the operator by machining without manual labor The material can always be sliced with a constant thickness without any trouble and with high accuracy.

[Brief description of the drawings]

FIG. 1 is a front view of the entire slicing apparatus.

FIG. 2 is a plan view of the entire slicing apparatus.

FIG. 3 is a perspective view showing main components of the slicing apparatus.

FIG. 4 is a plan view of a cutter and a guide roll portion.

FIG. 5 is a side view of the cutter blade.

FIG. 6 is a front view of a main part centering on a feed pulley of the slicing apparatus.

FIG. 7 is a sectional view of a V-ribbed belt.

FIG. 8 is an explanatory view of a conventional example showing a procedure for cutting out a test piece from a V-ribbed belt.

[Explanation of symbols]

 Reference Signs List 4 variable speed motor 11 feeding pulley 15 cutter 19 micrometer 22 guide roll 27 delivery roll 29 V-ribbed belt (material to be sliced) β cutting angle of cutter

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masaru Tsuruta BANDO CHEMICAL CO., LTD. 3-2-1-15 Meiwadori, Hyogo-ku, Kobe-shi, Hyogo (56) References JP-A-4-82697 (JP, A) ( 58) Field surveyed (Int. Cl. ⁶ , DB name) B26D 3/00 601 B26D 1/02

Claims (5)

(57) [Claims] 1. A slicing apparatus for slicing a band-shaped material to be sliced to a predetermined thickness, wherein the material to be sliced is wound, and the wound material to be sliced is rotated by a rotating operation toward a downstream side in a feeding direction. A feed pulley serving as a drive pulley for feeding , and a feed pulley, which is disposed close to the outer peripheral surface of the feed pulley on the downstream side in the feed direction, presses against the sliced material fed by the rotation of the feed pulley, and follows the sliced material by its frictional force. A delivery roll as a driven roll that rotates and forcibly sends out the sliced material, and a sliced material that is disposed close to the upstream side in the feeding direction of the outer peripheral surface of the feeding pulley and is fed by the rotation of the feeding pulley. contact with the guide roll for guiding the rotation following to the sliced material by the frictional force, narrowing the feed between the delivery roll and the guide roll And a double-edged cutter that is arranged close to the outer peripheral surface of the tool and cuts the material to be sliced into the sliced material at a predetermined depth from the counter-feeding direction and slices the material to be sliced to a predetermined thickness. A slicing device comprising: 2. The slicing apparatus according to claim 1, wherein the cutting angle of the cutter with respect to the sliced material is set at 2 to 5 ° with respect to a horizontal plane. 3. The slicing apparatus according to claim 1, wherein the position of the cutter with respect to the feed pulley can be finely adjusted by a micrometer. 4. The slicing apparatus according to claim 1, wherein the rotation speed of the feed pulley is controlled by a variable speed motor. 5. The method according to claim 1, wherein the pressure of the delivery roll against the sliced material is set to ² to 5 kg / cm ² , and the guide roll is in light contact with the sliced material without being pressed against the sliced material. Item 2. The slice device according to Item 1.