TW201309580A - Dual-station automatic center winder and winding and cutting method thereof - Google Patents

Abstract

The invention discloses a dual-station automatic center winder. The winder includes a control system, a driving unit and guide rollers, wherein the control system controls and drives a rotating plate and reels located on the rotating plate, the driving unit having a contact roller and a tension roller fixedly located thereon is controlled and driven by the control system, and the guide rollers are contacted with the rotating plate. The winder of the invention is characterized by further including a cutting unit including a crank, wherein a cutting knife and a brush are fixedly located at an end of the crank, and the crank may be rotated by the controlling and driving of the control system. The invention greatly improves the cutting method to eliminate early-winding wrinkles and cutting-induced bad shrinkage in the product so as to obviously raise the production yield.

Description

Double station automatic center coiler and winding and cutting method thereof

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a reeling machine, and more particularly to a two-station automatic center coiler that can control the take-up tension to reduce wrinkles and stretch to cause shrinkage.

The automatic center coiler is one of many coilers, and is used in practical applications for soft film with low tension shrinkage and high elastic material. High-grade, high-quality plastic products are required: (1) large diameter, preferably 800-1000 mm (millimeter, mm) to reduce the loss of processing in the back section; (2) stable tension control to reduce product shrinkage Rate, to ensure the quality of the processed products in the latter stage is stable; (3) The product utilization rate is improved, the general cutting method, the paper tube outer ring is about 5-10 meters (meter, m) products can not be used due to the initial roll wrinkles.

At present, the existing automatic center coiler is divided into two types: tape and tape.

Automatic center coiler without tape type: Because the film needs to be tightened before cutting, the front guide wheel needs to be wrapped into the S-shaped shaft and the pressing wheel is pressed on the winding core shaft and then cut. When the product is covered by the guide wheel, the tension rises sharply and the product shrinks and deforms. Tape-type automatic center coiler: The adhesive film on the tape is in contact with the product during the turning and cutting process, so it will pollute the product and reduce the utilization rate. Both of the above-mentioned automatic coilers are not fully utilized because of defects in cutting.

The object of the present invention is to provide a double-station automatic center coiler and a winding and cutting method thereof, which are improved in cutting technology and can effectively overcome the defects of the prior art.

In order to achieve the above object, the present invention provides a double-station automatic center coiler, comprising a control system, the control system controls a turntable and a plurality of winding mandrels disposed on the turntable; and is controlled by the control system a driving mechanism for fixing a contact wheel and a force wheel; and a plurality of guide wheels contacting the turntable, further comprising a cutting mechanism, the cutting mechanism comprising a crank, the crank fixing a cutter and a cutter at one end A brown hair brush that is rotatable under the control of the control system.

In an embodiment of the invention, the winding mandrel is two and evenly distributed on the turntable.

In an embodiment of the invention, the winding mandrel chuck is provided with a groove provided with a red dot that can be sensed by the infrared and photoelectric sensors of the control system.

In an embodiment of the invention, the cutting is disposed on the crank at an angle of 90 degrees to the brown brush.

In an embodiment of the invention, the cutting mechanism is rotated 90 degrees from a preparatory position to all rear positions under the control of the control system.

A winding and cutting method for a double-station automatic center coiler, comprising the following steps:

I. Set a set value of the length of the product to be wound up on the control system that controls the duplex automatic center coiler.

II. Fix the air-swelling shaft paper tube on the winding mandrel, and horizontally attach a double-sided tape on the air-swelling shaft paper tube along a red dot in the groove at the winding core chuck.

III. The control system sets the tape to zero point, and uses the infrared and photoelectric sensors to track the zero point, and starts the double-station automatic center coiler to take up the coil.

IV. The turntable is rotated 180 degrees before the take-up length reaches the set value, and the drive mechanism is advanced to maintain a certain distance from the inflation shaft around which the product is wound; the cutter mechanism is rotated to the preparatory position.

V. When the take-up length reaches the set value, the control system automatically tracks the zero point to which the double-sided tape is attached, the cutter mechanism rotates, the cutter cuts the product, and the brown hair A brush brushes the end of the product onto the inflatable shaft paper tube.

VI, the contact wheel advances, and contacts the air expansion shaft paper tube, and after the product has been wrapped thereon, the detection tension has been stabilized with the set value, and then retracted to the original position.

Due to the above technical solution, the double-station automatic center coiler of the present invention and the winding and cutting method thereof are greatly improved in the cutting part, and there is no shrinkage product caused by the initial roll wrinkles and cutting, so that the product is The yield is significantly improved.

The invention will be further described below with reference to the accompanying drawings and specific embodiments:

As shown in Fig. 1, a two-station automatic center coiler includes a turntable 9, a cutting mechanism 6, a winding mandrel 3, a contact wheel 2, a tension wheel 1, and a drive mechanism 8 connected by a control system. A plurality of winding mandrels 3 are fixedly distributed on the turntable 9, and the winding mandrel 3 is a duplex roll core, and the winding mandrel 3 is used for fixing the inflation shaft paper tube. The drive mechanism 8 is fixed with a contact wheel 2 and a tension pulley 1, which drives the action of the contact wheel 2 and the tension pulley 1 provided thereon to achieve the effect of adjusting the tension. A plurality of guide wheels 7 are in contact with the turntable 9. The cutting mechanism 6 is used for cutting the product. The cutting mechanism 6 includes a crank having a cutter 5 and a brown brush 4 fixed at one end, and the other end is rotatable about the axis plane under the control of the control system. The cutter 5 is placed on the crank at an angle of 90 degrees to the brown brush 4. The cutting mechanism can be rotated 90 degrees from a preliminary position 10 to a post-cut position 11 by the control of the control system.

A groove is formed at the edge of the winding mandrel 3, and a red dot is arranged in the groove. The control system includes an infrared ray and a photoelectric sensor, and the infrared ray and photoelectric sensor can track the red dot in the groove to determine the position.

In this embodiment, the winding mandrel 3 is provided with two, which are symmetrically evenly distributed on the turntable 9, and the cutter 5 and the brown brush 4 are disposed at 90 degrees on the crank.

In actual operation, the product is wound on the winding mandrel 3 at the A position on the turntable 9, and when the rolled product approaches the required amount (or length), the control system drives the turntable 9 to rotate by a certain angle, the next The empty winding mandrel 3 is turned to the A position, and the drive mechanism 8 is driven by the control system to drive the winding mandrel 3 on the turntable 9, while the cutting mechanism 6 is turned to the preparatory position 10 when the required amount is reached. (or length), the control system controls the crank rotation of the cutter mechanism 6. During the rotation, the cutter 5 first contacts the product, and the product is cut off, and the brown brush 4 brushes the product on the inflation shaft paper. On the tube. In this process, the infrared and photoelectric sensors in the control system sense the position of the double-sided tape on the air-swelling paper tube, so that the position of the cutting fit is just the position where the double-sided tape is attached to the air-swelling paper tube. At the office. Then, the driving mechanism 8 continues to move forward by the control system until the contact wheel 2 is in contact with the inflation shaft paper tube, and the detected tension has been stabilized with the set value after the product has been wrapped on the air expansion shaft paper tube, and the control is controlled. The system control drives the drive mechanism 8 to retreat, and the contact wheel 2 retreats to the original position.

The winding and cutting method of the double-station automatic center coiler, the specific operation steps are as follows:

I. Set a set value of the length of the product to be wound up on the control system that controls the duplex automatic center coiler.

II. Fix the air-swelling shaft paper tube on the winding mandrel 3, and affix a double-sided tape on the inflatable shaft paper tube along the red dot in the groove at the chuck of the winding mandrel 3, double-sided tape The width can be chosen to be 12mm, 15mm, 20mm or 25mm. The faster the speed, the wider the double-sided tape.

III. The control system sets the tape to zero point, and uses the infrared and photoelectric sensors to track the zero point and starts to start the double-station automatic center coiler.

IV. Before the winding length reaches the set value quickly, the control system controls to rotate the turntable 9, rotate the empty inflatable shaft paper tube to the position A, and the driving mechanism 8 advances to maintain a distance of 10 mm from the inflation shaft wound with the product. The cutter mechanism 6 is rotated to the preparatory position 10.

V. When the take-up length reaches the set value, the control system automatically tracks the zero point where the double-sided tape is attached, and the cutter mechanism 6 is rotated from the preparatory position 10 to the position-cut position 11 in the process, the cutter 5 will The product is cut off, and the brown hair brush 4 brushes the end of the product onto the inflation shaft paper tube.

VI, the contact wheel 2 advances, and is in contact with the inflation shaft paper tube. After the product has been wrapped on the air expansion shaft paper tube, the detection tension has been stabilized with the set value, and the contact wheel 2 is retracted to the original position.

Thereafter, the product is redirected through the guide wheel 7 to the next winding mandrel for the next cycle.

However, the above-described embodiments are merely exemplary in order to better understand the patents of those skilled in the art, and are not to be construed as limiting the scope of the invention; Equivalent changes or modifications fall within the scope of this patent.

1. . . Tension wheel

2. . . Contact wheel

3. . . Roll mandrel

4. . . Brown brush

5. . . Cutter

6. . . Cutter mechanism

7. . . Guide wheel

8. . . Drive mechanism

9. . . Turntable

10. . . Preparatory location

11. . . Cut position

A. . . A position

Figure 1 is a schematic view of the operation of the present invention.

1. . . Tension wheel

2. . . Contact wheel

3. . . Roll mandrel

4. . . Brown brush

5. . . Cutter

6. . . Cutter mechanism

7. . . Guide wheel

8. . . Drive mechanism

9. . . Turntable

10. . . Preparatory location

11. . . Cut position

A. . . A position

Claims (6)

A double-station automatic center coiler includes a control system, and the control system controls a turntable and a plurality of winding mandrels disposed on the turntable; a drive mechanism controlled by the control system is fixed on the drive mechanism a contact wheel and a force wheel; and a plurality of guide wheels contacting the turntable, further comprising: a cutting mechanism, the cutting mechanism comprising a crank, the crank fixing a cutter and a brown brush at one end The crank can be rotated by the control of the control system. The duplex automatic center coiler according to claim 1, wherein the winding mandrel is two and evenly distributed on the turntable. The double-station automatic center coiler according to claim 1, wherein the winding mandrel chuck is provided with a groove provided with infrared rays and photoelectricity that can be controlled by the control system. A red dot that the sensor senses. The duplex automatic center coiler according to claim 1, wherein the cutter is disposed on the crank at an angle of 90 degrees to the brown brush. The duplex automatic center coiler of claim 4, wherein the cutting mechanism is rotated 90 degrees from a preparatory position to a rear position by the control of the control system. A winding and cutting method for a duplex automatic center coiler as described in claim 1, 2, 3, 4 or 5, comprising the following steps:
I. setting a set value of the length of the product to be wound up on a control system for controlling the duplex automatic center coiler;
II. Fixing the air-swelling shaft paper tube on the winding mandrel, and horizontally attaching a double-sided tape on the inflatable shaft paper tube along a red dot in the groove at the winding core chuck;
III. The control system sets the tape to zero point, and uses the infrared and photoelectric sensors to track the zero point, and starts to start the double-station automatic center coiler to take up;
IV. Before the winding length reaches the set value, the turntable rotates by 180 degrees, the driving mechanism advances, and maintains a certain distance from the inflation shaft wound with the product; the cutter mechanism rotates to a preliminary position;
V. When the take-up length reaches the set value, the control system automatically tracks the zero point to which the double-sided tape is attached, the cutter mechanism rotates, the cutter cuts the product, and the brown hair Brushing the end of the product onto the inflation shaft paper tube;
VI, the contact wheel advances, and contacts the air expansion shaft paper tube, and after the product has been wrapped thereon, the detection tension has been stabilized with the set value, and then retracted to the original position.