CN204980545U - Pull rolling tension adjusting device in rolling machine - Google Patents

Abstract

The utility model discloses a winding tension adjustment device in a traction winding machine. The winding roller is arranged on a frame through a third bearing seat, and the winding roller is driven by a frequency conversion motor; At least three pressure sensors are fixed on the base, and each pressure sensor and frequency conversion motor are connected with the control circuit, the control circuit can receive and process the signal transmitted by the pressure sensor and feedback control the speed of the frequency conversion motor; the floating roller rests on the floating bearing seat On each pressure sensor, a first pressure roller and a second pressure roller are respectively arranged on both sides of the floating roller; the rewinding object is wound from the first pressure roller through the floating roller and the second pressure roller in sequence, and then wound on the winding roller. The utility model has the advantages that it can ensure that the winding tension remains stable during the winding process of the traction winder.

Description

Winding tension adjustment device in traction winder

technical field

The utility model relates to a traction winder, in particular to a winding tension regulating device capable of adjusting the winding tension of a rewinding object during the winding process of the traction winder.

Background technique

The plastic extruder can heat the plastic to make it into a viscous flow state, and then make it pass through a die with a certain shape under pressure, and finally form a continuum with a cross-sectional shape similar to the shape of the die, and then make the continuous body through cooling. The body is shaped into an extrudate with a certain geometric shape and size. Extruded sheets such as PP extruded sheets and PVC extruded sheets that are common in the market are all extruded by plastic extruders. The traction winder is an important auxiliary machine of the plastic extruder. The extrudate such as PP sheet is evenly pulled out from the die of the plastic extruder through the traction device in the traction winder, and then passed through the traction winder The winding device in the machine will wind up and store the extrudate output from the traction device. Here, the extrudate that is ready to be transported to the winding device for winding operation is called the rolled object, and the extruded product that has been wound on the winding roller is called the rolled object. The winding device performs the winding operation by winding the object to be wound on the winding roller. The winding roller is driven by the motor to rotate. During the operation, the diameter of the winding object wound on the winding roller will change with the As the number of rewinding objects increases, the volume becomes larger. If the speed of the rewinding roller remains unchanged, the winding tension will also increase with the increase of rewinding objects during the rewinding process. Whether it is stable or not will be directly related to the quality of the rewinding material, and will also affect the stability of the traction winder. Therefore, it is necessary to ensure that the winding tension remains stable during the winding process, and the current traction winder is not very good. Ensure that the winding tension remains stable during the winding process.

Utility model content

The technical problem to be solved by the utility model is to provide a winding tension adjustment device in a traction winder that can ensure that the winding sheet remains stable during the winding process.

In order to solve the above problems, the technical solution adopted by the utility model is: the winding tension adjustment device in the traction winding machine includes: a frame, and the winding roller is arranged on the frame through the third bearing seat, and the winding tension The roller is driven by a frequency conversion motor; there is a base on the frame, and at least three pressure sensors are fixed on the base, each pressure sensor and frequency conversion motor are connected to the control circuit, and the control circuit can receive and process the induction signal transmitted by the pressure sensor And feedback control the speed of the frequency conversion motor, thereby controlling the winding speed of the winding roller; the floating roller rests on each pressure sensor through the floating bearing seat; the first pressure roller and the second pressure roller are respectively arranged on both sides of the floating roller, A pressure roller is set on the frame through the first bearing seat, and the first pressure roller is located under the front side of the floating roller, and the second pressure roller is set on the frame through the second bearing seat, and the second pressure roller is located on the floating roller Below the rear side of the first pressure roller; the rewinding material winds from the front side of the first pressure roller to the rear side of the first pressure roller, and then passes through the back side of the first pressure roller to the front of the floating roller side, then from the front side of the floating roller around the top of the floating roller to the rear side of the floating roller, then through the back side of the floating roller to the front side of the second pressure roller, and then from the front side of the second pressure roller around After passing through the bottom of the second pressure roller to the rear side of the second pressure roller, and then winding on the winding roller from the rear side of the second pressure roller.

Further, in the aforementioned winding tension adjustment device in the traction winder, a guide mechanism for guiding the floating bearing seat to move up and down is provided between the floating bearing seat and the base.

Furthermore, in the above-mentioned winding tension adjustment device in the traction winder, the structure of the guide mechanism is: a resting plate is fixedly arranged at the bottom of the floating bearing seat, and the floating bearing seat rests on each pressure sensor through the resting plate. On the top, there is a through hole through the upper and lower sides on the shelf plate, and a threaded hole is set on the base below the through hole. After the bolt is inserted into the through hole, it is tightened with the threaded hole, and the shelf plate at the bottom of the floating bearing seat can go up and down along the bolt. Movement; a locking mechanism is provided between the bolt and the rest plate at the bottom of the floating bearing seat to prevent the rest plate from breaking away from the bolt.

Further, the aforementioned winding tension adjustment device in the traction winder, wherein the locking mechanism includes: a bushing, the bushing is inserted into the through hole on the shelf plate, and the bottom of the bushing extends out of the through hole The bottom of the shaft is pressed against the base, and the top of the shaft sleeve protrudes from the top of the through hole. A shaft shoulder is arranged on the top of the shaft sleeve. The diameter of the shaft shoulder is larger than the diameter of the through hole on the shelf plate. After the bolt passes through the through hole on the gasket and the bushing, it is tightened with the threaded hole, so that the bushing is locked on the base, and the shelf plate can move up and down relative to the bushing.

Further, in the above-mentioned winding tension adjustment device in the traction winder, a rubber bending roller is arranged between the second pressure roller and the winding roller, and the rubber bending roller is arranged on the frame through the fourth bearing seat, The rewinding material is wound from the back side of the second pressure roller to the front side of the rubber bending roller, then from the front side of the rubber bending roller, through the top of the rubber bending roller to the back side of the rubber bending roller, and then from the back side of the rubber bending roller Wound on a take-up roll.

Further, in the above-mentioned winding tension adjustment device in the traction winder, four pressure sensors are arranged on the base, and the four pressure sensors are all connected to the control circuit, and the floating roller rests on the four on the pressure sensor.

Furthermore, in the aforementioned winding tension adjustment device in the traction winder, the said winding roller is an air-expanding shaft.

Furthermore, in the above-mentioned winding tension adjustment device in the traction winder, the said winding roller is a tile-type inflatable shaft.

The beneficial effect of the utility model is that: the pressing force of each pressure sensor can be monitored in real time through the shelving plate at the bottom of the floating bearing seat to monitor the winding tension of the object to be wound, and thereby adjust the speed of the frequency conversion motor to ensure The winding tension remains stable, thereby ensuring the quality of the rewinding material and the stable performance of the traction winder.

Description of drawings

Fig. 1 is a structural schematic diagram of the winding tension adjusting device in the traction winding machine described in the present invention.

Fig. 2 is a schematic diagram of the connection structure between the wound object and the floating roller, the first pressing roller, the second pressing roller and the rubber bending roller in Fig. 1 .

Fig. 3 is a schematic structural view of the floating roller part in Fig. 1 .

Fig. 4 is a schematic diagram of an exploded structure of the floating roller in Fig. 3 .

detailed description

The technical scheme described in the utility model will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

As shown in Figure 1 and Figure 2, the winding tension adjustment device in the traction winding machine described in this embodiment includes: a frame 1, and the winding roller 6 is arranged on the frame 1 through a third bearing seat 61, The winding roller 6 is driven by a frequency conversion motor 62; the winding roller 6 can adopt an air-expanding shaft, and the winding roller 6 described in this embodiment adopts a tile-type air-expanding shaft. As shown in Figures 2 and 3, a base 11 is provided on the frame 1, and at least three pressure sensors 8 are fixedly arranged on the base 11. In this embodiment, four pressure sensors 8 are fixedly arranged on the base 11. For example, each pressure sensor 8 and variable frequency motor 62 are connected to the control circuit, and the control circuit can receive and process the induction signal transmitted by each pressure sensor 8 and feedback control the speed of the variable frequency motor 62, thereby controlling the winding of the winding roller 6. volume speed. The floating roller 2 rests on each pressure sensor 8 through the floating bearing seat 21, and the first pressing roller 3 and the second pressing roller 4 are respectively arranged on both sides of the floating roller 2, and the first pressing roller 3 is arranged on the pressure sensor 8 through the first bearing seat 31. On the frame 1, and the first pressure roller 3 is located under the front side of the floating roller 2; The lower side; as shown in Figure 2, in this embodiment, a rubber bending roller 5 is arranged between the second pressure roller 4 and the winding roller 6, and the rubber bending roller 5 is arranged on the frame 1 through the fourth bearing seat 51 The object to be wound 10 winds from the front side of the first pressure roller 3 to the rear side of the first pressure roller 3 after passing through the bottom of the first pressure roller 3, and then winds to the floating roller 2 through the rear side of the first pressure roller 3 The front side of the floating roller 2, then from the front side of the floating roller 2 around the top of the floating roller 2 to the rear side of the floating roller 2, then around the front side of the second pressure roller 4 through the rear side of the floating roller 2, and then from the first The front side of the second pressure roller 4 is wound around the bottom of the second pressure roller 4 to the rear side of the second pressure roller 4, and then wound to the front side of the rubber bending roller 5 through the rear side of the second pressure roller 4, and then from the rubber bending roller 5. The front side winds around the top of the rubber bending roller 5 to the rear side of the rubber bending roller 5, and then winds on the winding roller 6 from the rear side of the rubber bending roller 5. The rubber bending roller 5 has a certain degree of disturbance. When the frequency conversion motor 62 drives the winding roller 6 to rotate and wind the rewinding object 10, the rubber bending roller 5 can wrap the rewinding object 10 on the rubber bending roller 5 by the rubber The middle of the bending roller 5 spreads out to both sides of the rubber bending roller 5, thereby playing the effect of anti-wrinkle.

In this embodiment, as shown in Figures 3 and 4, a guiding mechanism for guiding the floating bearing seat 21 to move up and down is provided between the floating bearing seat 21 and the base 11. The structure of the guiding mechanism is: 21 is fixedly provided with a shelf plate 22, the floating bearing seat 21 rests on each pressure sensor 8 through the shelf plate 22, and a through hole 23 that penetrates up and down is provided on the shelf plate 22, and is provided on the base 11 below the through hole 23. Threaded hole 12 is arranged, and bolt 9 stretches into through hole 23 and is screwed with threaded hole 12 after, and the shelving plate 22 of floating bearing seat 21 bottom can move up and down along bolt 9. In this embodiment, a locking mechanism is provided between the bolt 9 and the resting plate 22 at the bottom of the floating bearing seat 21 to prevent the resting plate 22 from breaking away from the bolt 9. The locking mechanism includes: a shaft sleeve 7, which is inserted through the In the through hole 23 of the shelf plate 22, the bottom of the shaft sleeve 7 protrudes from the bottom of the through hole 23 and presses against the base 11, and the top of the shaft sleeve 7 protrudes outside the top of the through hole 23, and is arranged Shaft shoulder 71 is arranged, and the diameter of shaft shoulder 71 is greater than the diameter of through hole 23 on shelving plate 22, is provided with pad 91 on bolt 9, and bolt 9 passes through the through hole on pad 91 and axle sleeve 7 and connects with base The threaded hole 12 on 11 is tightened, thereby the axle sleeve 7 is locked on the base 11, and the rest plate 22 can move up and down relative to the axle sleeve 7.

The working principle of the winding tension adjustment device in the traction winder described in the utility model is as follows: the object 10 to be wound is wound around the first pressure roller 3, the floating roller 2, the second pressure roller 4, and the rubber bending roller in sequence. 5 and then wound on the winding roller 6, and then the winding roller 6 is driven by the frequency conversion motor 62 to rotate the winding object 10, and the winding tension increases with the increase of the winding object on the winding roller 6. , the floating roller 2 moves downward under the winding tension of the object to be wound 10, so that the shelf plate 22 presses each pressure sensor 8, and each pressure sensor 8 transmits the induction signal to the control circuit, and the control circuit receives and processes the induction signal and Feedback the induction signal to control the frequency conversion motor 62 to reduce the speed, thereby controlling the winding roller 6 to reduce the winding speed; at this time, the winding tension will decrease with the reduction of the speed of the frequency conversion motor 62, so that it can pass through the bottom of the floating bearing seat 21 The pressing force exerted by the shelf plate 22 on each pressure sensor 8 regulates the rotational speed of the variable frequency motor 62 in real time, so as to maintain the stability of the winding tension.

The utility model has the advantages that: the pressing force of each pressure sensor 8 can be monitored in real time by the pressing force of the rest plate 22 at the bottom of the floating bearing seat 21 to monitor the winding tension of the object to be wound 10, and thereby regulate the speed of the variable frequency motor 62 to ensure During the winding process, the winding tension is kept stable, so as to ensure the quality of the winding object 10 and the stable performance of the traction winding machine.

Claims (9)

1. draw the winding tension control apparatus in winder, comprising: frame, wind-up roll is arranged in frame by the 3rd bearing seat, and wind-up roll is driven by variable-frequency motor; It is characterized in that: in frame, be provided with base, base is fixedly installed at least three pressure sensors, each pressure sensor and variable-frequency motor are all connected with control circuit, control circuit can receive and the induced signal that transmits of processing pressure sensor the rotating speed of controlled reset variable-frequency motor, thus controls the rolling speed of wind-up roll; Dancer is shelved on each pressure sensor by floating bearing bracket; The first pressure roller and the second pressure roller is respectively arranged with in dancer both sides, first pressure roller is arranged in frame by clutch shaft bearing seat, and the first pressure roller is positioned at below the front side of dancer, the second pressure roller is arranged in frame by the second bearing seat, and the second pressure roller is positioned at below the rear side of dancer; By rolling thing rear side to the first pressure roller behind the bottom of front side pile warp first pressure roller of the first pressure roller, then through the rear side of the first pressure roller around to the front side of dancer, to the rear side of dancer behind the top of the then front side pile warp dancer of self-relocation roller, then through the rear side of dancer around to the front side of the second pressure roller, then behind the bottom of front side pile warp second pressure roller of the second pressure roller to the rear side of the second pressure roller, be then wound on wind-up roll from the rear side of the second pressure roller.

2. according to the winding tension control apparatus in traction winder according to claim 1, it is characterized in that: between floating bearing bracket and base, be provided with the guiding mechanism guiding floating bearing bracket up-and-down movement.

3. according to the winding tension control apparatus in traction winder according to claim 2, it is characterized in that: the structure of described guiding mechanism is: be fixedly installed bottom floating bearing bracket and shelve plate, floating bearing bracket is shelved on each pressure sensor by shelving plate, shelving through hole plate being provided with up/down perforation, base below through hole is provided with tapped bore, screw with tapped bore after bolt stretches into through hole, the plate of shelving bottom floating bearing bracket can along bolt up-and-down movement; Shelving bottom bolt and floating bearing bracket to be provided with the lockout mechanism preventing from shelving plate and depart from bolt between plate.

4. according to the winding tension control apparatus in traction winder according to claim 3, it is characterized in that: described lockout mechanism comprises: axle sleeve, axle sleeve interts in the through hole that is arranged on and shelves on plate, be pressed on base after the bottom of through hole is stretched out in the bottom of axle sleeve, the top outer of through hole is stretched out at the top of axle sleeve, axle sleeve top is provided with the shaft shoulder, the diameter of the shaft shoulder is greater than the diameter shelving through hole on plate, bolt is arranged with pad, bolt screws with tapped bore through after the through hole on pad and axle sleeve, thus axle sleeve is locked on base, shelving plate can relative axle sleeve up-and-down movement.

5. according to the winding tension control apparatus in the traction winder described in claim 1 or 2, it is characterized in that: between the second pressure roller and wind-up roll, be provided with bending rubber, bending rubber is arranged in frame by the 4th bearing seat, by rolling thing on rear side of the second pressure roller on front side of bending rubber, then on front side of bending rubber pile warp bending rubber top after to the rear side of bending rubber, be then wound on wind-up roll from the rear side of bending rubber.

6. according to the winding tension control apparatus in traction winder according to claim 4, it is characterized in that: between the second pressure roller and wind-up roll, be provided with bending rubber, bending rubber is arranged in frame by the 4th bearing seat, by rolling thing on rear side of the second pressure roller on front side of bending rubber, then on front side of bending rubber pile warp bending rubber top after to the rear side of bending rubber, be then wound on wind-up roll from the rear side of bending rubber.

7. according to the winding tension control apparatus in the traction winder described in claim 1 or 2, it is characterized in that: on base, be provided with four pressure sensors, four pressure sensors are all connected with control circuit, and dancer is shelved on four pressure sensors by floating bearing bracket.

8. according to the winding tension control apparatus in the traction winder described in claim 1 or 2, it is characterized in that: described wind-up roll is gas expansion shaft.

9. according to the winding tension control apparatus in traction winder according to claim 8, it is characterized in that: described wind-up roll is tile type gas expansion shaft.