JPH0646646Y2 - Dispensing device for kneading roll machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a dispensing device for cutting a kneaded rubber material from a front roll of a kneading roll machine into a sheet.

<Prior Art> A kneading roll machine is provided with a front roll 1 and a back roll 3 which rotate in opposite directions to each other, as shown in FIG. 3, and the mixing of the rubber material 5 is carried out by the friction action generated in the gap between these two rolls. Perform kneading work. And front roll 1
The rubber cloth 5 wound around is cut by a dispensing cutter 7 (two sheets are juxtaposed at a predetermined interval in the direction perpendicular to the paper surface) into a sheet having a width corresponding to the interval of the dispensing cutter 7.

When the dispensing work progresses and the bank 6 is lost in the rubber material 5, the rubber material 5 wrapped around the front roll 1 is
Except for the portion cut out by the dispensing cutter 7, it is left between the rubber rolls (not shown) of the front roll 1. The remaining rubber material needs to be removed when kneading different kinds of rubber material, and also causes a decrease in yield.

Therefore, conventionally, an operator constantly monitors the presence or absence of the bank 6, and as soon as the bank 6 disappears, the rubber material between the rubber gaps of the front roll 1 is peeled off and removed manually by a roll knife. Reference numeral 8 in the drawing is a cutter shaft, which is arranged in parallel with the front roll 1. The dispensing cutter 7 is attached so as to be slidable in its axial direction (the direction perpendicular to the paper surface).

<Problems to be solved by the invention> However, in the above-mentioned work for dispensing the rubber cloth 5, it is necessary to manually remove the portion wound around the front roll 1 at the final stage of cutting the rubber cloth 5. There was a problem. This is contrary to the recent demands for equipment automation and unmanned operation.

The present invention solves the above problems, and an object of the present invention is to provide a dispensing device for a kneading roll machine, which can automatically remove the rubber material wound around the front roll when the bank disappears. And

<Means for Solving Problems> The present invention is to cut a rubber material kneaded from a front roll of a kneading roll machine including a front roll and a back roll into a sheet shape by two dispensing cutters. A dispensing device for a kneading roll machine, which is arranged in parallel with a front roll and has a cam portion having a cam groove formed therein, a motor for rotating the rotation shaft, and a cam portion for meshing with the cam portion. The shuttle, a rod that is parallel to the rotation axis, and is arranged at a position away from the front roll about the rotation axis, a slider that is mounted on the rod so as to be movable in the axial direction of the rod, and a slider and a shuttle. It is arranged movably by an air cylinder between them, and it is arranged in the upper part between the fixed box holding the two dispensing cutters and the front roll and the back roll. The infrared sensor capable of detecting the presence or absence of a link, and the control means for controlling the operation of the motor and the air cylinder by inputting the disappearance signal of the bank of the infrared sensor. The control means inputs the disappearance signal of the bank. In doing so, control the operation of the motor to move the shuttle back and forth on the cam part,
After that, the operation of the air cylinder is controlled to separate the fixed box from the shuttle, and the dispensing cutter is separated from the front roll.

<Operation> In the dispensing device for a kneading roll machine according to the present invention, when the bank disappears, the infrared sensor detects the disappearance and outputs a bank disappearance signal to the control means.

Then, the control means first controls the operation of the motor,
Move the shuttle back and forth on the cam. At that time, it becomes possible to peel and remove all the rubber material wound around the front roll.

Thereafter, the control means controls the operation of the air cylinder, separates the fixed box from the shuttle, separates the dispensing cutter from the front roll, and prepares for the next kneading operation.

<Embodiment> An embodiment of the present invention will be described below. The same members as those in FIG. 3 are designated by the same reference numerals, and the description thereof will be partially omitted.

As shown in FIGS. 1 and 2, the dispensing device 40 of this embodiment includes a rotary shaft 11, a shuttle 25, and a dispensing cutter 7.7. The rotary shaft 11 is rotatably installed on the horizontal frames 13 and 13 arranged on both sides of the front roll 1 and has a gear 15 fixed thereto. The gear 15 meshes with the gear 19 of the motor 17. Further, a cam portion 23 having a cam groove 21 is formed on the peripheral surface of the central portion of the rotary shaft 11. The range of the cam portion 23 needs to have at least the same width as the rubber shift (not shown).

A shuttle 25 is attached to the cam portion 23. The shuttle 25 is a cam follower that reciprocates in the axial direction of the cam portion 23 as the cam portion 23 rotates. A fixed box 27 holding the dispensing cutters 7, 7 is connected to the shuttle 25 by a guide rod (not shown) so as to be movable in the vertical direction. And fixed box
A piston rod 31 of an air cylinder 29 is fixed to the upper surface of 27, and the fixed rod 27 is pulled up from the shuttle 25 by controlling the piston rod 31 with an air system (not shown), and the dispensing cutter 7 is brought into contact with the front roll 1. It can be in a state. When moving the shuttle 25, the air cylinder 29
A rod 33 and a slider 35 are provided in order to follow the. The rod 33 is parallel to the rotary shaft 11 and has machine frames 13 at both ends.
It is fixed to 13, and is arranged at an obliquely upper position apart from the front roll 1 about the rotating shaft 11. Slider
The rod 35 is mounted on the rod 33 so as to be movable in the axial direction of the rod 33. Further, each of the dispensing cutters 7 and 7 is attached so as to be slidable in the horizontal direction with respect to the fixed box 27, and the distance between the dispensing cutters 7 and 7 can be adjusted so that the sheet width of the rubber material can be arbitrarily set. it can.

The infrared switch 41 is composed of a light source 43 and a light receiver 45 which are fixed to the machine casings 13 and 13, respectively, and infrared rays are transmitted to the front roll 1
Is set so as to pass slightly above the contact point of the back roll 3. A bank 6 of rubber cloth is usually present at a position where the infrared rays pass, and blocks the infrared rays. In this state, the infrared switch 41 is off. Then, when the dispensing work progresses and the bank 6 disappears, the infrared light reaches the light receiver 45, and the infrared switch 41 is turned on in this state. Then, a bank disappearance signal is sent from the infrared switch 41 to the control means 47.

The control means 47 controls the on / off of the motor 17 and the air cylinder 29.
It controls the opening and closing of the air valve 30, and may be an analog type. Then, when the bank disappearance signal is input, the control means 47 operates the motor 17 for a certain period of time to control the shuttle to move back and forth once on the cam portion 23,
Then, the air cylinder 30 is controlled so that the air valve 30 is opened and closed to separate the fixed box 27 from the shuttle 25 and separate the dispensing cutters 7 from the front roll 1.

According to the dispensing device 40 having the above configuration, when the bank 6 disappears, the infrared sensor 41 detects the disappearance and outputs a bank disappearance signal to the control means 47.

Then, the control means 47 first activates the motor 17.
When the motor 17 operates, the rotating shaft 11 (cam portion 23) rotates in synchronization with the rotation of the gear 19 of the motor shaft 18. Then, the shuttle 25 moves back and forth along the cam groove 21 once, and the dispensing cutter 7
・ 7 is to trace the rubber cloth wrapped around the front roller 1 so as to peel it off. In addition, it is possible to remove all the rubber material on the front roller 1 by reciprocating the normal dispensing cutter 7 once.

Thereafter, the control means 47 controls the operation of the air cylinder 29 to separate the fixed box 27 from the shuttle 25, and the dispensing cutter 7
・ 7 is separated from the front roll 1 to prepare for the next kneading operation.

The air cylinder 29 may be of any type as long as it can move the dispensing cutters 7 and 7 close to and away from the front roll 1, and may be attached to the shuttle 25 side.

<Effect of the Invention> As described above, in the dispensing device of the present invention, when the infrared sensor detects the disappearance of the bank and the control means inputs the bank disappearance signal, the control means first activates the motor. By controlling, the shuttle is reciprocated on the cam portion.
Then, at that time, it becomes possible to automatically peel and remove all the rubber material wound around the front roll.

After that, the control means controls the operation of the air cylinder,
The fixed box is separated from the shuttle, and the dispensing cutter is separated from the front roll to prepare for the next kneading operation.

Therefore, the dispensing device according to the present invention can automatically remove the rubber cloth wound around the front roll when the bank disappears. Further, it is possible to meet the demand for automation and unmanned equipment, and it is possible to secure safety because the removal work performed by the worker holding the roll knife by hand is unnecessary.

[Brief description of drawings]

FIG. 1 is a partially omitted perspective view of an embodiment of the present invention, FIG. 2 is a partial perspective view of the same embodiment, and FIG. 3 is an explanatory sectional view of a kneading roll. 1 …… Front roll, 3 …… Back roll, 5 …… Rubber cloth, 6 …… Bank, 7 …… Distribution cutter, 11 …… Rotary shaft, 15 ・ 19 …… Gear, 17 …… Motor, 21 …… Cam groove, 23 …… Cam section, 25 …… Shear, 27 …… Fixed box, 29 …… Air cylinder, 33 …… Rod, 35 …… Slider, 40 …… Distributor, 47 …… Control means,

Claims (1)

[Scope of utility model registration request] 1. A dispensing device for a kneading roll machine, which cuts a rubber material kneaded from the front roll of a kneading roll machine including a front roll and a back roll into a sheet shape by two sheet cutting cutters. A rotary shaft having a cam portion formed in parallel with the front roll and having a cam groove formed therein, a motor for rotationally driving the rotary shaft, a shuttle meshing with the cam portion, and a rotary shaft for rotating the rotary shaft. A rod which is parallel to the shaft and is arranged at a position apart from the front roll about the rotation axis, a slider which is mounted on the rod so as to be movable in the axial direction of the rod, the slider and the shuttle. Between the front roll and the back roll, which is movably disposed between the front roll and the back roll by an air cylinder. An infrared sensor capable of detecting the presence or absence of a bank disposed on the upper part of the, and a control means for inputting a disappearance signal of the bank of the infrared sensor to control the operation of the motor and the air cylinder, When the control means inputs the disappearance signal of the bank,
The operation of the motor is controlled to reciprocate the shuttle on the cam portion, and then the operation of the air cylinder is controlled to separate the fixed box from the shuttle, and the dispensing cutter is moved to the front roll. A separating device for a kneading roll machine, which is characterized in that it is separated from the above.