CN210763411U

CN210763411U - Winding mechanism for controlling and precisely measuring winding diameter at equal intervals

Info

Publication number: CN210763411U
Application number: CN201921753377.9U
Authority: CN
Inventors: 夏一娇
Original assignee: Guangdong Kunchuan Industrial Co ltd
Current assignee: Guangdong Kunchuan Industrial Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-16
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a winding mechanism in equidistance control and precision measurement book footpath in the coiling mechanism field, including nip roll and rolling axle, the film is walked around nip roll rolling and is epaxial at the rolling, nip roll's front end and laser sensor fixed connection, and laser sensor aligns with the epaxial rolling coil stock edge of rolling, and nip roll's lower extreme passes through the leg sleeve on the guide rail, and the lower pot head of support is on the lead screw, and the lead screw is connected with servo motor, and the bottom of support is equipped with position sensor, and position sensor, motor and laser sensor all are connected with the PLC controller. The utility model discloses the length of free membrane keeps at stable within range when can making the film rolling, and then can the fully controlled with change the rolling quality, satisfies the tensile requirement of rolling gradient simultaneously, guarantees that the product rolling is accurate, stable and do not receive the interference.

Description

Winding mechanism for controlling and precisely measuring winding diameter at equal intervals

Technical Field

The utility model relates to a coiling mechanism field, specific theory relates to a winding mechanism in equidistance control and precision measurement book footpath.

Background

For flexible materials with micron-sized thickness, rolling is an art-recognized technical problem. Too large tension fluctuation can cause inconsistent layering tightness of the rolled coil materials, so that the materials are stressed unevenly to cause mechanical wrinkling; the tension is unchanged, the pressure of the coiled material of the inner ring is too large, and the material is crushed; the length of the free film is too long before feeding, and the film shakes to cause the material to be folded; the free film is too short before feeding, the flattening effect of the thread flattening roller cannot be fully exerted, and the material rolling wrinkles can be caused. Therefore, how to more intelligently control the tension of the film rolling and the length of the free film is very important.

In addition, when the film is rolled, the roll diameter needs to be measured, and the traditional measuring methods are generally an online calculation method and a non-contact distance detection method. The online calculation method is characterized in that the size of the roll diameter is reversely calculated through a formula according to the relation between the linear speed of the belt and the rotating speed of the winding and unwinding, and when the mode has a slipping phenomenon between a film and a roller, a speed measuring encoder has errors, so that the roll diameter is calculated incorrectly; the non-contact distance detection method is to measure the roll diameter by a laser distance sensor or an ultrasonic distance sensor to directly obtain the size of the roll diameter, and the non-contact distance detection method is easily interfered by illumination, electromagnetism, the surface flatness of an object to be detected and the like.

The above-mentioned drawbacks, worth improving.

Disclosure of Invention

In order to overcome the not enough of current technique, the utility model provides an equidistance control and precision measurement roll up winding mechanism in footpath.

The utility model discloses technical scheme as follows:

a winding mechanism for controlling and precisely measuring the roll diameter at equal intervals comprises a flattening roller and a winding shaft, wherein a film is wound on the winding shaft around the flattening roller;

the lower extreme of nip roll passes through the support cover on the guide rail, the lower pot head of support is on the lead screw, the lead screw is connected with servo motor, the bottom of support is equipped with position sensor, position sensor the motor and laser sensor all is connected with the PLC controller.

According to above-mentioned scheme the utility model discloses, its characterized in that, the nip roll is the screw thread nip roll.

According to above-mentioned scheme the utility model discloses, a serial communication port, laser sensor includes laser emitter and laser receiver, laser emitter with the laser receiver phase-match, and all with PLC control connection.

According to above-mentioned scheme the utility model discloses, its characterized in that, laser sensor passes through the sensor support to be fixed on the support.

According to the above scheme the utility model discloses, a serial communication port, the lower extreme of support is equipped with the slider, the support passes through the slider cover is in on the guide rail.

According to the above scheme the utility model discloses, its characterized in that, the lower extreme of support is equipped with the nut, the support passes through the nut cover is in on the lead screw.

According to the above scheme the utility model discloses, a serial communication port, servo motor's output is equipped with the speed reducer, the lead screw with the speed reducer is connected.

The utility model has the advantages that the laser sensor is linked with the flattening roller, so that the length of the free film is kept in a stable range when the film is rolled, and the rolling quality can be fully controlled and changed; in addition, in the whole roll diameter changing process, signals of the position sensor continuously change, the system can obtain the size of the roll diameter in real time, and then the servo motor obtains different output torques, the requirement of winding gradient tension is met, and accurate, stable and undisturbed product winding is guaranteed.

Drawings

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

Fig. 2 is a schematic diagram of the connection of the laser sensor in the present invention.

Fig. 3 is a schematic diagram of the distribution of the laser sensors in the present invention.

In the figure, 10, a servomotor; 11. a speed reducer; 12. a screw rod; 13. a nut; 20. a position sensor; 31. a support; 32. a slider; 33. a connecting plate; 34. a guide rail; 40. flattening rollers; 50. a laser sensor; 51. a sensor holder; 60. a winding shaft; 61. rolling a coil stock; 70. passing through a roller; 80. a film.

Detailed Description

The invention is further described with reference to the following figures and embodiments:

as shown in fig. 1 and 2, the winding mechanism for equidistantly controlling and precisely measuring the roll diameter comprises a flattening roller 40 and a winding shaft 60, wherein a film 80 is wound on the winding shaft 60 around the flattening roller 40. In this embodiment, the film 80 extends to the nip roller 40 after passing around the roller 70, and the tension and the showpiece of the film 80 at the nip roller 40 can be ensured. Preferably, the nip roll 40 is a screw nip roll, which can sufficiently nip the film 80, ensure the friction between the nip roll 40 and the film 80, and prevent the film 80 and the nip roll 40 from sliding each other.

The front end of the flattening roller 40 is fixedly connected with the laser sensor 50, and the position of the laser sensor 50 is close to the front relative to the winding shaft 60 and close to the back relative to the position of the flattening roller 40. Wherein, laser sensor 50 passes through sensor support 51 to be fixed on support 31, and laser sensor 50 fixes simultaneously on support 31 with nip roll 40, guarantees that laser sensor 50 moves simultaneously, together links with nip roll 40.

The laser sensor 50 is aligned with the edge of the winding coil 61 on the winding shaft 60, and the laser sensor 50 is used for measuring the edge of the winding coil 61, so that the measurement of the coil diameter is realized. Preferably, the lower end of the bracket 31 is provided with a sliding block 32, the bracket 31 is sleeved on the guide rail 34 through the sliding block 32, and when the motor drives the bracket 31 to slide left and right, the bracket 31 can slide along the guide rail 34 through the sliding block 32, so that the bracket 31 is prevented from deviating during position adjustment.

The lower end of the flattening roller 40 is sleeved on the guide rail 34 through the support 31, the lower end of the support 31 is sleeved on the screw rod 12, the screw rod 12 is connected with the servo motor 10, the bottom of the support 31 is provided with the connecting plate 33, the connecting plate 33 is connected with the position sensor 20, and the position sensor 20, the motor and the laser sensor 50 are all connected with the PLC. Preferably, the output end of the servo motor 10 is provided with a speed reducer 11, and the screw rod 12 is connected with the speed reducer 11, so that the output torque of the servo motor 10 can be fully adjusted, and the motor and subsequent structures are prevented from being damaged.

Preferably, the nut 13 is arranged at the lower end of the bracket 31, the connecting plate 33 is sleeved on the screw rod 12 through the nut 13, and when the servo motor 10 drives the screw rod 12 to rotate, the nut 13 slides left and right along the screw rod 12, so that left and right adjustment of the connecting plate 33 is realized.

As shown in fig. 3, in the present embodiment, the laser sensor 50 includes a laser transmitter and a laser receiver, which are matched and connected to the PLC control.

When the laser receiver does not receive the light beam of the laser transmitter, it is indicated that the roll diameter of the winding roll 61 is increased, and the distance (X value) between the winding roll 61 and the flattening roller 40 is decreased, so as to trigger the PLC controller to control the servo motor 10 to act, and further adjust the positions of the flattening roller 40 and the laser sensor 50; when the laser sensor 50 moves backwards to receive the light beam, the PLC is triggered to control the servo motor 10 to stop working. This process is followed whole rolling process and is repeated, the utility model discloses can accurate control X value's size to the length (Y value) of free membrane has been controlled.

The utility model discloses the control accuracy of interval (X value) between well rolling coil stock 61 and the nip roll 40 depends on laser sensor 50's precision, and the highest within reaching 0.02mm, the utility model discloses do not use laser sensor 50's precision as the limit. In addition, taking the maximum roll diameter of the wound roll 61 of 700mm as an example, the change in the length (Y value) of the free film does not exceed 20% when the X value is appropriately adjusted.

When the winding shaft 60 is not yet wound (the winding diameter of the wound material 61 is the size of the winding shaft 60), the winding is at the original position, and the radial position of the winding shaft 60 is the origin position of the corresponding position sensor 20. Since the change in the winding diameter during winding drives the movement of the winding drum, the feedback value of the position sensor 20 is the size of the winding diameter.

The utility model discloses the invariance of control X value in whole rolling in-process, thereby the change of last section free film length (Y value) is in the technological requirement within range before the control rolling, the tension change (gradient tension) of control rolling that can be better, it is little to realize that the lamination between the inlayer is changed in rolling coil stock 61, the real-time size of rolling book footpath is surveyed out through position sensor 20 who follows simultaneously, accurate stable data is provided for tension control, control tension and rolling speed more effectively, can realize fine tension gradient distribution.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A winding mechanism for controlling and precisely measuring the roll diameter at equal intervals comprises a flattening roller and a winding shaft, wherein a film is wound on the winding shaft around the flattening roller;

2. A wind-up mechanism for equidistance control and precision measurement of the roll diameter as claimed in claim 1, characterized in that the nip roll is a screw nip roll.

3. The winding mechanism for the equidistant control and the precise measurement of the coil diameter as claimed in claim 1, wherein the laser sensor comprises a laser transmitter and a laser receiver, and the laser transmitter and the laser receiver are matched and are connected with the PLC control.

4. The winding mechanism for equidistant control and precise measurement of the roll diameter according to claim 1, characterized in that the laser sensor is fixed on the support by a sensor support.

5. The winding mechanism for controlling and precisely measuring the winding diameter equidistantly as claimed in claim 1, wherein the lower end of the bracket is provided with a sliding block, and the bracket is sleeved on the guide rail through the sliding block.

6. The winding mechanism for controlling and precisely measuring the winding diameter equidistantly as claimed in claim 1, wherein the lower end of the bracket is provided with a nut, and the bracket is sleeved on the screw rod through the nut.

7. The winding mechanism for controlling winding diameter equidistantly and precisely according to claim 1, wherein a speed reducer is arranged at the output end of the servo motor, and the screw rod is connected with the speed reducer.