CN210062087U

CN210062087U - Glass steel coiler control device

Info

Publication number: CN210062087U
Application number: CN201920581477.1U
Authority: CN
Inventors: 周雪
Original assignee: Guangdong Fiber Reinforced Glass Steel Co Ltd
Current assignee: Guangdong Fiber Reinforced Glass Steel Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-14
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses a glass fiber reinforced plastic winding machine control device, which comprises a main shaft, a die, a trolley for leading out a yarn sheet onto the die, a rotary encoder for detecting the rotating speed and the corner position of the die, a first motor for driving the main shaft to rotate, a second motor for controlling the trolley to reciprocate, a frequency converter for adjusting the rotating speed of the first motor and a master controller for overall control; the rotary encoder, the frequency converter and the second motor are all connected with the master controller, the first motor is electrically connected with the main shaft, the second motor is electrically connected with the trolley, and the frequency converter is also connected with the first motor; if the rotating speed of the second motor reaches the maximum value, the master controller controls the first motor not to be accelerated any more through the frequency converter. Compared with the prior art, the single master controller is based on, the motor speed control is simpler and more convenient, and the condition that the yarn running type is disordered or the servo motor is damaged is prevented.

Description

Glass steel coiler control device

Technical Field

The utility model relates to a glass steel winding technique, especially a glass steel winder controlling means.

Background

At present, the domestic production line generally adopts a computer to control each parameter in the glass fiber reinforced plastic winding machine, and the hardware and software of control systems used by different manufacturers are generally different and difficult to realize unification; in addition, when the rotating shaft continuously increases the rotating speed during automatic operation of the control system, the speed of the servo motor is also matched with the rotating shaft so as to be continuously increased, but when the rotating speed exceeds the upper limit value of the speed of the servo motor, the control system cannot process the speed, and the yarn feeding type is disordered or the servo motor is damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a glass steel coiler controlling means based on single total controller, can realize motor speed control to prevent to walk the condition emergence that the yarn line type is in disorder or damage servo motor.

In order to compensate the deficiency of the prior art, the embodiment of the utility model provides an adopt technical scheme is:

a glass fiber reinforced plastic winding machine control device comprises a main shaft, a die, a trolley used for leading out a yarn sheet to the die, a rotary encoder used for detecting the rotating speed and the corner position of the die, a first motor used for driving the main shaft to rotate, a second motor used for controlling the trolley to reciprocate, a frequency converter used for adjusting the rotating speed of the first motor and a master controller used for overall control; the rotary encoder and the die are arranged on a main shaft, the rotary encoder, the frequency converter and the second motor are all connected with the master controller, the first motor is electrically connected with the main shaft, the second motor is electrically connected with the trolley, and the frequency converter is also connected with the first motor; and if the rotating speed of the second motor reaches the maximum value, the master controller controls the first motor not to increase the speed any more through the frequency converter.

As a further improvement of the above scheme, the second motor is a servo motor which controls the trolley to be driven in an alternating current servo mode in a position control mode.

As a further improvement of the scheme, the trolley is arranged below the main shaft.

As a further improvement of the scheme, a yarn guide head is arranged on the trolley and connected to the die through a yarn sheet.

As a further improvement of the above solution, the rotary encoder is disposed on one end of the central axis of the main shaft.

As a further improvement of the scheme, a bearing surface for the trolley to reciprocate is arranged below the trolley.

The embodiment of the utility model provides an in one or more technical scheme, following beneficial effect has at least: the control of the rotary encoder, the frequency converter and the second motor is independently realized based on a single master controller, and by receiving signal pulses of the rotating speed and the corner position sent by the rotary encoder, the pulse information uploaded by the rotary encoder can be timely converted into reciprocating motion information of the trolley through overall control of the master controller, so that the trolley can closely track winding of a mold, the second motor is driven according to a winding mode in a matching mode, the trolley executes corresponding reciprocating motion, a stable winding effect is obtained, and meanwhile, the rotating speed of the first motor is adjusted through the frequency converter, so that the rotating speed required by the mold is continuously matched, and the winding requirement is met; particularly, the rotating speed of the second motor is continuously fed back to the main controller, and when the rotating speed reaches the maximum value, the main controller correspondingly controls the frequency converter to stop accelerating the first motor, so that the condition that the yarn running type is disordered or the second motor is damaged can be prevented.

Drawings

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of an embodiment of the present invention.

Detailed Description

Referring to fig. 1, an embodiment of the present invention provides a glass fiber reinforced plastic winding machine control device, including a main shaft 180, a mold 100, a trolley 110 for leading out a yarn sheet 190 onto the mold 100, a rotary encoder 170 for detecting a rotation speed and a rotation angle position of the mold 100, a first motor 160 for driving the main shaft 180 to rotate, a second motor 130 for controlling the trolley 110 to perform a reciprocating motion, a frequency converter 140 for adjusting a rotation speed of the first motor 160, and a general controller 150 for overall control; the rotary encoder 170 and the mold 100 are all arranged on a main shaft 180, the rotary encoder 170, the frequency converter 140 and the second motor 130 are all connected with the main controller 150, the first motor 160 is electrically connected with the main shaft 180, the second motor 130 is electrically connected with the trolley 110, and the frequency converter 140 is also connected with the first motor 160; if the rotating speed of the second motor 130 reaches the maximum value, the general controller 150 controls the first motor 160 not to increase the speed any more through the frequency converter 140.

In this example, the following explanations of several terms commonly used in the art are given:

cross winding, wherein the yarn sheets 190 are required to be uniformly wound and distributed on the die 100 according to a certain winding angle;

the winding angle, the angle between the yarn sheet 190 and the axial direction of the mold 100, i.e. angle a in fig. 1;

a yarn sheet 190, typically consisting of a plurality of glass yarns side-by-side;

transverse winding, requiring smooth overlapping winding of the sliver 190 onto the die 100 (one sliver 190 width of movement of the trolley 110 per revolution of the die 100), can be considered a special case of cross winding;

and the number of layers is set according to the design requirement of the thickness of the product.

In this embodiment, based on a single general controller 150, the control of the rotary encoder 170, the frequency converter 140 and the second motor 130 is independently realized, by receiving the signal pulses of the rotating speed and the rotating angle position sent by the rotary encoder 170, the rotating speed information can represent the winding speed of the mold 100, the rotating angle position can obtain the winding angle, and the two are combined to form the basic information of the product, so that the second motor 130 is driven according to the winding mode in a matching manner, the trolley 110 executes the corresponding reciprocating motion to match the winding speed and the winding angle of the mold 100, and thus, through the overall control of the general controller 150, the pulse information uploaded by the rotary encoder 170 can be timely converted into the reciprocating motion information of the trolley 110, so as to realize the tight tracking of the trolley 110 on the winding of the mold 100, thereby obtaining the stable winding effect, obtaining the product meeting the customer requirements, and simultaneously, the rotating speed of the first motor 160 is also adjusted by the frequency converter 140, so as to continuously match the rotation speed required by the die 100 to meet the winding requirement; particularly, the rotation speed of the second motor 130 is continuously fed back to the master controller 150, and when the maximum rotation speed is reached, the master controller 150 correspondingly controls the frequency converter 140 to stop increasing the speed of the first motor 160, and accordingly, the rotation speeds of the first motor 160 and the second motor 130 are not increased any more, so that the condition that the yarn running line is disordered or the second motor 130 is damaged can be prevented.

As a further improvement of the above solution, another embodiment of the present invention provides a control device for a glass fiber reinforced plastic winding machine, wherein the second motor 130 is a servo motor for controlling the ac servo drive of the trolley 110 in a position control manner.

In this embodiment, aiming at the current winding control technology in China, the signals for the ac servo drive of the trolley 110 are all analog (i.e. speed control mode), and have the disadvantage of poor anti-interference and tracking capability, the embodiment adopts the position control mode for the signals for the ac servo drive, and the drive signals for the position control mode are digital pulse signals, so that the signals can be more effectively anti-interference, the tracking speed and precision can be improved, and the signals can quickly respond to the rotation speed change of the main shaft 180 and the die 100 in the production operation, so that the trolley 110 drives the yarn sheet 190 to wind to the correct position.

More specifically, referring to fig. 2, in the present embodiment, the input mains L1-L3 (three phases 380V, 50Hz) is controlled by the ac contactor KM1, and is powered on according to SA2 and powered off according to SA1, and is divided into three outputs: one path of three-phase alternating current 380V is converted into three-phase alternating current 220V through a transformer T1 and is transmitted to the second motor 130 (namely AP1 in FIG. 2) to be used as a power supply; the other path of three-phase alternating current is 380V, and is used as a power supply for the frequency converter 140 (namely AP 4); the third path is converted into direct current 24V by a switching power supply T2 and is supplied to the master controller 150 as a power supply; AP2 is a display key box of the overall controller 150 to facilitate user operation (adjusting each process parameter and displaying running state), AP3 is a program controller (AP2 and AP3 compose the overall controller 150), which is connected with operation control switches SB1, SB2, SB3, SB4, SB5, and the functions are: switching semi-automatic/manual/automatic, adjusting main shaft 180 acceleration/main shaft 180 deceleration, adjusting trolley 110 acceleration/trolley 110 deceleration, switching trolley 110 forward/trolley 110 reverse, and scramming, wherein 5 the switches are operated correspondingly according to the program control requirements of AP 3; s1 is a rotary encoder 170, which is transmitted to AP3 as information pulse, the output of Y0 and Y1 ports of a program controller AP3 is connected to AP1 as a driving signal for controlling the rotating speed and direction of M2, AP1 is connected to an AC servo motor M2, and M2 and M2 are driven and controlled by a motor of the trolley 110; the AP4 is the frequency converter 140, the SB6 connected to the AP4 is a forward/reverse rotation control switch, and the AP4 is controlled by a DA (digital/analog output) port of the AP3, that is, the speed change of the frequency converter 140 is realized; connected to the AP4 is M1, and M1 is the first motor 160, so that the rotation control of the main shaft 180 by the frequency converter 140 can be realized.

As a further improvement to the above solution, referring to fig. 1, another embodiment of the present invention provides a control device for a glass fiber reinforced plastic winding machine, wherein the cart 110 is disposed below the main shaft 180. In this embodiment, compared with the other installation methods (the position of the cart 110 may not be limited), the cart 110 is convenient to install on the production line, and is relatively stable to install.

As a further improvement to the above solution, referring to fig. 1, another embodiment of the present invention provides a control device for a glass fiber reinforced plastic winding machine, wherein a godet 111 is provided on the cart 110, and the godet 111 is connected to the die 100 through a yarn sheet 190. In this embodiment, a yarn sheet 190 composed of a plurality of glass yarns side by side is glued on a trolley 110 through a resin groove and then led out from a yarn guide head 111, and is converted by a controller according to the process requirements (parameters such as cross winding, transverse winding, layer number or winding angle) of a customer product according to pulse information uploaded by a rotary encoder 170, and the trolley 110 is controlled to reciprocate, so that the yarn sheet 190 is uniformly wound and distributed on a mold 100, and qualified products are produced; thus, the godet 111 serves to draw the sliver 190 and establish communication between the die 100 and the trolley 110.

As a further improvement of the above solution, referring to fig. 1, another embodiment of the present invention provides a control device for a glass fiber reinforced plastic winding machine, wherein the rotary encoder 170 is disposed on one end of the central axis of the main shaft 180. In this embodiment, the rotary encoder 170 is disposed on one end of the central axis, and does not affect the rotation of the main shaft 180, and can rotate along with the rotation of the main shaft 180, so that the rotation information of the rotary encoder 170, that is, the rotation information of the main shaft 180, can be clearly and definitely obtained.

As a further improvement to the above solution, referring to fig. 1, another embodiment of the present invention provides a control device for a glass fiber reinforced plastic winding machine, wherein a carrying surface 120 for reciprocating the carriage 110 is disposed below the carriage 110. In this embodiment, the bearing surface 120 serves to support the cart 110, and the bearing surface 120 can be matched with the wheels of the cart 110, so as to reduce the friction resistance and facilitate the cart 110 to reciprocate.

While the preferred embodiment and basic principles of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is intended to cover various modifications, equivalents and alternatives falling within the scope of the invention as claimed.

Claims

1. A glass steel winding machine control device is characterized in that: the yarn drawing device comprises a main shaft, a die, a trolley used for drawing a yarn sheet onto the die, a rotary encoder used for detecting the rotating speed and the corner position of the die, a first motor used for driving the main shaft to rotate, a second motor used for controlling the trolley to reciprocate, a frequency converter used for adjusting the rotating speed of the first motor and a master controller used for overall control; the rotary encoder and the die are arranged on a main shaft, the rotary encoder, the frequency converter and the second motor are all connected with the master controller, the first motor is electrically connected with the main shaft, the second motor is electrically connected with the trolley, and the frequency converter is also connected with the first motor; and if the rotating speed of the second motor reaches the maximum value, the master controller controls the first motor not to increase the speed any more through the frequency converter.

2. The control device of the glass fiber reinforced plastic winding machine according to claim 1, wherein: the second motor is a servo motor which controls the trolley to be driven in an alternating current servo mode in a position control mode.

3. The control device of the glass fiber reinforced plastic winding machine according to claim 1, wherein: the trolley is arranged below the main shaft.

4. A control apparatus for a glass fiber reinforced plastic winding machine according to claim 1 or 3, wherein: the yarn guiding device is characterized in that a yarn guiding head is arranged on the trolley and connected to the die through a yarn sheet.

5. The control device of the glass fiber reinforced plastic winding machine according to claim 1, wherein: the rotary encoder is arranged at one end of the central axis of the main shaft.

6. A control apparatus for a glass fiber reinforced plastic winding machine according to claim 3, wherein: and a bearing surface for the trolley to reciprocate is arranged below the trolley.