CN204314685U - Strander lay pitch automaton - Google Patents

Abstract

The utility model discloses an automatic control device for the twist distance of a stranding machine, which includes a traction wheel, a transmission gear, a rotating flywheel disc, a main shaft and a main shaft motor, and also includes a servo motor and a programmable logic controller. The traction wheel is connected, the programmable logic controller and the servo controller are controlled by communication, the main shaft is provided with a main shaft encoder, and the main shaft encoder is connected with the programmable logic controller. The device is common to all kinds of stranding machine tools, and the torque can be set freely. The traction speed is precisely controlled by the servo motor and monitored and adjusted in real time, so as to achieve the purpose of automatic control of the twist length, and it is easy to maintain and low maintenance cost.

Description

Automatic control device for twist length of stranding machine

technical field

The utility model relates to a torque control device for a strand twisting machine tool.

Background technique

The stranding machine is a device for twisting several thin steel wires into steel cords. In the prior art, the twist length control of the stranding machine is realized by replacing the exchange gear. See Figure 1, which generally includes traction wheel 1, exchange gear 10. Traction reduction box 11, transmission gear, rotating flywheel disc 2, main shaft 3 and main shaft motor 4. This method is time-consuming and laborious to install and operate. Different machine tools have different specifications for exchange gears, and the same machine tool also needs to prepare multiple sets of exchange gears with different specifications, which not only increases the cost of the machine tool, but also increases the number of machine tool spare parts. Come a lot of inconvenience.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide an automatic control device for the twist length of the stranding machine which can be used for all kinds of stranding machine tools, can freely set the torque, is easy to maintain, and has low maintenance cost.

The utility model is achieved through the following technical solutions:

The twist length automatic control device of the stranding machine includes a traction wheel, a transmission gear, a rotating flywheel disc, a main shaft and a main shaft motor, and also includes a servo motor and a programmable logic controller. The servo motor is connected to the traction wheel through a coupling, and the programmable logic The controller and the servo controller are controlled by communication. The main shaft is provided with a main shaft encoder, and the main shaft encoder is connected with a programmable logic controller.

The programmable logic controller is provided with an input and display unit control panel.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model changes the driven main shaft mode of the traction wheel, cancels the traction reduction box, uses the servo motor to directly control the traction, and realizes stepless speed change. If it is necessary to change the lay length, set the lay length directly on the control panel of the programmable logic controller, and the programmable logic controller calculates the traction speed according to the set value combined with the feedback value of the spindle encoder and sends an instruction to the servo controller. The servo motor accurately controls the traction speed and monitors and adjusts it in real time, so as to achieve the purpose of automatic control of lay length and ensure product quality. It realizes the convenience and flexibility of machine tool operation, improves the automation level of machine tools, improves production efficiency, and ensures the qualified rate of products.

Description of drawings

Figure 1 is a structural schematic diagram of the twist length control of the stranding machine tool in the prior art;

Figure 2 is a schematic structural view of an embodiment of the present invention.

Serial number in the figure: 1. Traction wheel, 2. Rotating flywheel disc, 3. Main shaft, 4. Main shaft motor, 5. Servo motor, 6. Programmable logic controller, 7. Coupling, 8. Main shaft encoder, 9 , Control panel, 10, exchange gear, 11, traction reduction box.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the utility model is described in further detail.

Referring to shown in Fig. 2, a kind of twist length automatic control device of stranding machine comprises traction wheel 1, transmission gear, rotating flywheel disc 2, main shaft 3 and main shaft motor 4, servo motor 5 and programmable logic controller 6, described The programmable logic controller 6 is provided with an input and display unit control panel 9, the servo motor 5 is connected with the traction wheel 1 through a coupling 7, and the programmable logic controller 6 and the servo motor 5 are controlled by communication, and the The main shaft 3 is provided with a main shaft encoder 8, and the main shaft encoder 8 is connected with the programmable logic controller 6. The utility model changes the driven main shaft mode of the traction wheel 1, cancels the traction reduction box 11, and uses the servo motor 5 to directly control the traction to realize stepless speed change. When changing the lay length, set the lay length directly on the control panel 10 of the programmable logic controller 6, and the programmable logic controller 6 calculates the traction speed according to the set value in combination with the feedback value of the main shaft encoder 8 and sends an instruction to Servo controller, the servo motor accurately controls the traction speed and monitors and adjusts it in real time, so as to achieve the purpose of automatic control of lay length.

Embodiment is only for the convenience of understanding the technical scheme of the present utility model, does not constitute the restriction to the scope of protection of the present utility model, any simple modification that does not break away from the content of the technical solution of the present utility model or according to the technical essence of the present utility model is done to the above scheme , equivalent changes and modifications all still belong to the protection scope of the present utility model.

Claims (2)

1. strander lay pitch automaton, comprise traction wheel (1), transmission gear, rotary flyweights dish (2), main shaft (3) and spindle motor (4), it is characterized in that: also comprise servomotor (5) with programmable logic controller (PLC) (6), (1) (7) (5) servomotor be connected with traction wheel by shaft coupling, (5) (6) programmable logic controller (PLC) take Communication Control with servomotor, (8) (3) described main shaft be provided with spindle encoder, and (6) (8) spindle encoder be connected with programmable logic controller (PLC).

2. strander lay pitch automaton according to claim 1, is characterized in that: described programmable logic controller (PLC) be (6) provided with input and display unit control panel (9).