CN110077900B

CN110077900B - Thin-walled pipe winding device

Info

Publication number: CN110077900B
Application number: CN201910467721.6A
Authority: CN
Inventors: 曹玉; 毛潞
Original assignee: Chongqing Ruiting Plastic Co Ltd
Current assignee: Chongqing Ruiting Plastic Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2021-07-30
Anticipated expiration: 2039-05-31
Also published as: CN110077900A

Abstract

The invention belongs to the technical field of film production, and particularly discloses a thin-walled tube winding device which comprises two parallel guide rails, wherein a squeezing roller is rotatably connected between the two guide rails; a winding roller is also arranged between the two guide rails and is abutted against the extrusion roller, and the winding roller is rotationally connected to the two sliding blocks; a driving mechanism for driving the winding roller to rotate is fixed on the sliding block; the invention aims to solve the problems that the gap between the existing extrusion roller and the existing wind-up roller is fixed, the extrusion roller applies more and more pressure to the wound film, and the film is easy to wrinkle.

Description

Thin-walled pipe winding device

Technical Field

The invention belongs to the technical field of thin film production, and particularly discloses a thin-walled tube winding device.

Background

The film is a common daily product for people, and has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, low price and the like, and is widely used in various industries. In the production process of the film, the film after being rolled and formed needs to be rolled by a rolling mechanism, and the conventional rolling method comprises the following steps: the method comprises the steps of manually sticking one end of a film on a winding roller by using an adhesive tape, then winding, and extruding the film on the winding roller by using an extrusion roller to keep the film on the winding roller flat. However, the gap between the extrusion roller and the winding roller is fixed and unchanged, and when the film is wound on the winding roller, the gap between the extrusion roller and the film is continuously reduced along with the increase of the wound film on the winding roller, so that the pressure exerted by the extrusion roller on the wound film is increased, and when the pressure exerted by the extrusion roller on the wound film is too large, the film is easily wrinkled, and the quality of the film is greatly influenced.

Disclosure of Invention

The invention discloses a thin-walled tube winding device, which aims to solve the problems that the gap between an existing extrusion roller and a winding roller is fixed, the pressure applied by the extrusion roller to a wound film is increased, and the film is easily wrinkled.

In order to solve the above problems, the basic scheme of the invention is as follows:

a thin-walled tube winding device comprises two parallel guide rails, wherein a squeezing roller is rotatably connected between the two guide rails, air cylinders which are arranged oppositely are fixed on the two guide rails, piston rods of the air cylinders are parallel to the guide rails and face a direction far away from the squeezing roller, sliding blocks are fixed on the piston rods of the air cylinders, and the sliding blocks are slidably connected to the corresponding guide rails; a winding roller is also arranged between the two guide rails and is abutted against the extrusion roller, and the winding roller is rotationally connected to the two sliding blocks; and a driving mechanism for driving the winding roller to rotate is fixed on the sliding block.

The beneficial effect of this scheme:

1. in this scheme, through setting up the squeeze roll that offsets with the wind-up roll, utilize the squeeze roll to exert pressure to the good film of rolling on the wind-up roll, level the film, prevent that the film from producing the fold at the in-process of rolling.

2. In this scheme, through setting up the wind-up roll into slidable, constantly adjusting the interval between squeeze roll and the wind-up roll at the in-process of wind-up roll rolling, when preventing that the good film of rolling from constantly increasing on the wind-up roll, the clearance between squeeze roll and the film constantly reduces, causes the pressure that the squeeze roll applyed to the good film of rolling to be more and more big, avoids consequently causing the film to produce the fold, influences the quality of film rolling.

3. In this scheme, through the removal of cylinder drive wind-up roll, make the removal of wind-up roll more steady, prevent that the wind-up roll from appearing rocking at the in-process that removes, receive to cause the influence to the rolling quality of film.

Further, the thin-walled tube winding device also comprises a control circuit for simultaneously controlling the opening and closing of the two cylinders, and the control circuit comprises a pressure sensor and a controller; the pressure sensor is arranged on the extrusion roller, and a preset pressure value is set on the controller; the pressure sensor is used for detecting the pressure applied to the squeeze roll, the controller processes the detected pressure and generates a pressure value, and when the pressure value is greater than or equal to a preset pressure value, the controller controls the cylinder to start; and when the pressure value is smaller than the preset pressure value, the controller controls the cylinder to close.

Has the advantages that:

1. in this scheme, be equipped with pressure sensor on the squeeze roll, whether too big is applyed to more direct judgement squeeze roll, whether need adjust the interval between squeeze roll and the wind-up roll, for more accurate of artificial judgement, also can practice thrift partial manual work simultaneously.

2. In this scheme, utilize opening and close of control circuit control cylinder, recycle the interval between cylinder adjustment squeeze roll and the wind-up roll, more accurate and quick for the manual work, keep the squeeze roll to the change of the pressure that the wind-up roll was applyed at certain within range, when improving the level and smooth effect of squeeze roll to the film, avoid the pressure of applying too big and cause the film to produce the fold.

Furthermore, all rotate on two slider opposite faces and be connected with the pivot, the connection can be dismantled respectively at the both ends of wind-up roll and serve in the activity of pivot, and the wind-up roll rotates through the pivot and connects on the slider.

In this scheme, set up to dismantling between wind-up roll and the slider and be connected, after the rolling was accomplished to last wind-up roll, weight is heavier, and transport cost time can be quick earlier dismantlement get off to in the new wind-up roll of installation carries out the rolling, carries the wind-up roll that the rolling is good separately again, can avoid carrying the crowded time that accounts for of heavier wind-up roll, improves the efficiency of processing.

Further, the driving mechanism comprises a driving motor fixed on the sliding block, and a driving gear is fixed on the output end of the driving motor; a driven gear engaged with the driving gear is fixed on the rotating shaft.

In this scheme, fix driving motor on the slider, when the slider drove the wind-up roll and slides, the maintenance that lasts provides power for the wind-up roll, makes the continuous work that carries on of wind-up roll.

Furthermore, rectangular clamping grooves used for clamping the end parts of the winding rollers are formed in the movable end faces of the rotating shafts, the clamping grooves are coaxial with the rotating shafts, sliding grooves used for the winding rollers to slide into the clamping grooves are formed in the side walls of the rotating shafts, and clamping blocks clamped with the sliding grooves are hinged to the side walls of the rotating shafts; the end part of the winding roller is matched with the clamping groove in shape.

In the scheme, the two ends of the winding roller slide into the grooves through the sliding grooves, and the grooves are clamped with the end parts of the winding roller, so that the winding roller can be driven to rotate to wind in the rotating process of the rotating shaft; utilize the fixture block to carry out the block to the spout, reach the closure to the recess, prevent the in-process of rolling, the wind-up roll breaks away from the recess.

Furthermore, a torsion spring is arranged between the clamping block and the rotating shaft, two through holes which are right opposite to the sliding groove and communicated with the sliding groove are formed in the rotating shaft, a bolt is arranged in each through hole in a sliding mode, a spring is fixed between each bolt and the rotating shaft, an inclined plane is formed in one end of each bolt and extends into the corresponding sliding groove, and the inclined plane on each bolt is far away from the corresponding clamping groove.

In this scheme, the in-process of fixture block and spout block, the fixture block backs up the bolt along the inclined plane of bolt, and the bolt is fixed whole process convenient and fast to automatic re-setting fixes the fixture block under the effect of spring.

Furthermore, two slide rails parallel to the guide rails are arranged below the guide rails, and the slide rails are located between the two guide rails.

In this scheme, the below of guide rail is provided with two slide rails, and the wind-up roll that will accomplish the rolling is dismantled, falls naturally on the slide rail to slide on the slide rail, accelerate the transportation of wind-up roll, improve the efficiency of processing.

Furthermore, a transverse frame is arranged above the guide rail in a sliding mode, two traction mechanisms used for moving the winding roller are connected onto the transverse frame in a sliding mode, and the sliding direction of the transverse frame is perpendicular to that of the traction mechanisms.

In this scheme, through being provided with drive mechanism, utilize drive mechanism to the removal and the transportation of wind-up roll, for the manual work, more swift and safety also can practice thrift the cost of labor simultaneously.

Furthermore, the traction mechanism comprises a traction motor, a rotary table is fixedly connected to an output shaft of the traction motor, a wire is wound on the rotary table, and a self-locking hook is fixed at the wire end of the wire.

In this scheme, set up the auto-lock couple on drive mechanism, utilize the auto-lock function of auto-lock couple, quick fixed wind-up roll has improved the efficiency of transport.

Furthermore, an anti-slip layer is fixed on the self-locking hook.

In this scheme, fixed one deck antiskid ribbed tile that plays anti-skidding effect on the auto-lock couple, the in-process of avoiding the transportation, the wind-up roll is made a round trip to rock on the auto-lock couple, prevents that the wind-up roll landing from the couple.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

FIG. 4 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;

FIG. 5 is a logic diagram of a control circuit according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the automatic winding device comprises a guide rail 1, a squeezing roller 2, a sliding block 3, an air cylinder 4, a controller 5, a rotating shaft 6, a driving motor 7, a driving gear 8, a driven gear 9, a winding roller 10, a clamping groove 11, a sliding groove 12, a clamping block 13, a torsion spring 14, a plug pin 15, a pressure sensor 16, a sliding rail 17, a cross frame 18, a traction motor 19, a rotary table 20, a wire 21, a self-locking hook 22 and a spring 23.

The embodiment is basically as shown in the attached figures 1 and 2:

the utility model provides a thin wall pipe coiling mechanism, includes two parallel guide rail 1, is provided with squeeze roll 2 between two guide rail 1, and squeeze roll 2's both ends rotate respectively to be connected on close guide rail 1. All have through bolted connection just to the cylinder 4 that sets up on the opposite face of two guide rails 1, the piston rod of cylinder 4 is parallel with guide rail 1 and towards the direction of keeping away from squeeze roll 2, and all welds on the piston rod of cylinder 4 and has slider 3, and slider 3 is then sliding connection on the guide rail 1 that corresponds.

As shown in fig. 3 and 4: the opposite surfaces of the two sliding blocks 3 are rotatably connected with a rotating shaft 6, rectangular clamping grooves 11 are formed in the movable end surfaces of the rotating shaft 6, the clamping grooves 11 are coaxial with the rotating shaft 6, sliding grooves 12 communicated with the clamping grooves 11 are formed in the side walls of the rotating shaft 6, and clamping blocks 13 clamped with the sliding grooves 12 are hinged to the side walls of the rotating shaft 6; a torsion spring 14 is arranged between the clamping block 13 and the rotating shaft 6, the rotating shaft 6 is provided with two through holes which are opposite to the sliding groove 12 and communicated with the sliding groove 12, a bolt 15 is arranged in the through holes in a sliding manner, one end of the bolt 15 is provided with an inclined plane and extends into the sliding groove 12, the inclined plane on the bolt 15 is far away from the clamping groove 11, and a spring 23 is welded between the bolt 15 and the rotating shaft 6.

As shown in fig. 1 and 2: a driving mechanism is fixed on the sliding block 3 and comprises a driving motor 7 which is connected to the sliding block 3 through a bolt, and a driving gear 8 is connected to the output end of the driving motor 7 through a key; a driven gear 9 meshed with the driving gear 8 is connected to the rotating shaft 6 in a key mode.

According to the drawing, a winding roller 10 is further arranged between the two guide rails 1, the outer surface of the winding roller 10 is abutted to the extrusion roller 2, the end part of the winding roller 10 is matched with the clamping groove 11 in shape, the winding roller 10 is clamped in the clamping groove 11 through the end part of the winding roller 10, and the winding roller 10 is rotatably connected to the sliding block 3.

As shown in fig. 1 and 5: the thin-walled pipe winding device also comprises a control circuit for simultaneously controlling the opening and closing of the two cylinders 4, and the control circuit comprises a pressure sensor 16 and a controller 5; the pressure sensor 16 is connected to the squeeze roll 2 through a bolt, and a preset pressure value 8N is set on the controller 5; the pressure sensor 16 is used for detecting the pressure on the squeeze roll 2, converting the pressure into a corresponding electric signal and transmitting the electric signal to the controller 5, the controller 5 converts the electric signal into a corresponding pressure value after receiving the electric signal, compares the pressure value with a preset pressure value, and when the pressure value is greater than or equal to the preset pressure value 8N, the controller 5 controls the cylinder 4 to start; when the pressure value is smaller than the preset pressure value 8N, the controller 5 controls the cylinder 4 to close.

As shown in fig. 1: two slide rails 17 parallel to the guide rails 1 are arranged below the guide rails 1, and the slide rails 17 are positioned between the two guide rails 1; a transverse frame 18 is arranged above the guide rail 1 in a sliding manner, two traction mechanisms used for moving the winding roller 10 are connected on the transverse frame 18 in a sliding manner, and the sliding direction of the transverse frame 18 is vertical to that of the traction mechanisms; the traction mechanism comprises a traction motor 19, the traction motor 19 is a forward and reverse rotation motor, an output shaft of the traction motor 19 is in keyed connection with a rotary table 20, a wire 21 is wound on the rotary table 20, a thread end of the wire 21 is bound with a self-locking hook 22, and a rubber layer is bonded on the self-locking hook 22.

The specific implementation process is as follows:

the worker slides the two ends of the winding roller 10 into the clamping grooves 11 through the sliding grooves 12 for clamping, the clamping blocks 13 are swung to enable the clamping blocks 13 to slide into the sliding grooves 12 and abut against the end portions of the winding roller 10, meanwhile, the clamping blocks 13 stretch the torsion springs 14, and the torsion springs 14 deform and accumulate elastic potential energy; when the fixture block 13 is in the sliding groove 12, the fixture block 13 is in contact with the inclined surface of the bolt 15, the fixture block 13 applies pressure to the inclined surface of the bolt 15 and pushes the bolt 15 to slide in the through hole, meanwhile, the bolt 15 extrudes the spring 23, the spring 23 deforms and generates elastic potential energy, and when the inclined surface of the bolt 15 is completely immersed in the through hole, the fixture block 13 can smoothly slide into the sliding groove 12; after the fixture block 13 passes through the bolt 15, the elastic potential energy of the spring 23 is released and pushes the bolt 15 to slide in the through hole in the reverse direction until the bolt 15 slides to the initial position, and the bolt 15 at the moment props against the fixture block 13 to prevent the fixture block 13 from sliding out of the chute 12.

One end of the film passes through a gap between the extrusion roller 2 and the winding roller 10, the film is fixed on the winding roller 10, the driving motor 7 is started, the driving motor 7 drives the driven gear 9 to rotate through the driving gear 8, the driven gear 9 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the winding roller 10 to rotate for winding operation, the extrusion roller 2 continuously applies pressure to the winding roller 10, flattening the film on the surface of the winding roller 10, continuously detecting the reaction force of the film on the winding roller 10 to the extrusion roller 2 by the pressure sensor 16 at the moment, converting the detected pressure into a corresponding electric signal by the pressure sensor 16 and transmitting the electric signal to the controller 5, converting the electric signal into a corresponding pressure value by the controller 5 after receiving the electric signal, and comparing the pressure value with a preset pressure value, and in an initial state, when the pressure value is smaller than the preset pressure value 8N, the controller 5 keeps the closing of the air cylinder 4.

In the winding process of the winding roller 10, the thickness of the film on the winding roller 10 can be continuously increased, the distance between the extrusion roller 2 and the film is smaller and smaller, the pressure applied to the film on the surface of the winding roller 10 by the extrusion roller 2 is gradually increased, the reaction force of the film to the extrusion roller 2 is also gradually increased when the pressure sensor 16 senses the film, the pressure sensed by the pressure sensor 16 at the moment is also gradually increased, the converted electric signal is changed along with the change of the electric signal, the controller 5 converts the received electric signal into a corresponding pressure value, and compares the pressure value with a preset pressure value, and when the pressure value is larger than or equal to the preset pressure value 8N, the controller 5 controls the cylinder 4 to be started.

After the cylinder 4 is started, a piston rod of the cylinder 4 pushes the sliding block 3 to move towards a direction far away from the extrusion roller 2, the sliding block 3 drives the winding roller 10 to move together, a gap between the winding roller 10 and the extrusion roller 2 is increased, a gap between a film on the winding roller 10 and the extrusion roller 2 is also increased, pressure applied to the film on the winding roller 10 by the extrusion roller 2 is gradually reduced, and reaction force generated by the film to the extrusion roller 2 is also gradually reduced.

Therefore, in the moving process of the winding roller 10, the pressure detected by the pressure sensor 16 is reduced, the electric signal converted by the pressure sensor 16 is changed, the controller 5 converts the received electric signal into a corresponding pressure value, compares the pressure value with a preset pressure value, and when the pressure value is smaller than the preset pressure value 8N, the controller 5 controls the cylinder 4 to be closed, and the sliding block 3 and the winding roller 10 stop moving.

The operation is repeated for a plurality of times until the winding roller 10 finishes winding, the driving motor 7 is closed, and the rotating shaft 6 and the winding roller 10 stop rotating.

The worker simultaneously pulls out two bolts 15 on one rotating shaft 6, when the bolts 15 do not abut against the fixture block 13, elastic potential energy accumulated by the torsion spring 14 is released to drive the fixture block 13 to separate from the chute 12 and swing to an initial position, the fixture block 13 does not abut against the winding roller 10, the winding roller 10 is manually taken out from the chute 12, and the winding roller 10 falls onto the sliding rail 17 under the action of the gravity of the winding roller 10; the worker installs a new wind-up roll 10 to perform the wind-up operation.

The worker slides the transverse frame 18 and the traction motors 19 to enable the two traction motors 19 to be respectively positioned right above two ends of the winding roller 10, the traction motors 19 are started to rotate forwards, the traction motors 19 drive the rotating disc 20 to rotate forwards, the wires 21 on the rotating disc 20 are discharged until the self-locking hooks 22 are in contact with the winding roller 10, and the traction motors 19 are closed; fixing the self-locking hooks 22 at two ends of the winding roller 10, starting the traction motor 19 to rotate reversely, driving the turntable 20 to rotate reversely by the traction motor 19, withdrawing the wire 21 by the turntable 20, driving the self-locking hooks 22 and the winding roller 10 to move upwards, closing the traction motor 19 when the winding roller 10 moves to a proper height, and transporting the winding roller 10 to a required place through the sliding cross frame 18.

The above description is only an example of the present invention and common general knowledge in the art is not described here too much. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a thin wall pipe coiling mechanism, includes two parallel guide rails, its characterized in that: the extrusion roller is rotatably connected between the two guide rails, the two guide rails are respectively and fixedly provided with an air cylinder which is arranged oppositely, a piston rod of the air cylinder is parallel to the guide rails and faces away from the extrusion roller, a sliding block is respectively and fixedly arranged on the piston rod of the air cylinder, and the sliding block is slidably connected to the corresponding guide rail; a winding roller is also arranged between the two guide rails and is abutted against the extrusion roller, and the winding roller is rotationally connected to the two sliding blocks; a driving mechanism for driving the winding roller to rotate is fixed on the sliding block; the thin-walled tube winding device further comprises a control circuit for simultaneously controlling the opening and closing of the two cylinders, and the control circuit comprises a pressure sensor and a controller; the pressure sensor is arranged on the extrusion roller, and a preset pressure value is set on the controller; the pressure sensor is used for detecting the pressure applied to the squeeze roll, the controller processes the detected pressure and generates a pressure value, and when the pressure value is greater than or equal to a preset pressure value, the controller controls the cylinder to start; when the pressure value is smaller than the preset pressure value, the controller controls the cylinder to close; the opposite surfaces of the two sliding blocks are rotatably connected with rotating shafts, two ends of the winding roller are respectively detachably connected to the movable ends of the rotating shafts, and the winding roller is rotatably connected to the sliding blocks through the rotating shafts; the driving mechanism comprises a driving motor fixed on the sliding block, and a driving gear is fixed on the output end of the driving motor; a driven gear meshed with the driving gear is fixed on the rotating shaft; rectangular clamping grooves for clamping the end parts of the winding rollers are formed in the movable end faces of the rotating shafts, the clamping grooves are coaxial with the rotating shafts, sliding grooves for the winding rollers to slide into the clamping grooves are formed in the side walls of the rotating shafts, and clamping blocks clamped with the sliding grooves are hinged to the side walls of the rotating shafts; the end part of the winding roller is matched with the clamping groove in shape; a torsion spring is arranged between the clamping block and the rotating shaft, the rotating shaft is provided with two through holes which are opposite to the sliding groove and communicated with the sliding groove, a bolt is arranged in the through holes in a sliding mode, a spring is fixed between the bolt and the rotating shaft, one end of the bolt is provided with an inclined plane and extends into the sliding groove, and the inclined plane on the bolt is far away from the clamping groove.

2. The thin walled tube take-up device of claim 1, wherein: and two sliding rails parallel to the guide rails are arranged below the guide rails and are positioned between the two guide rails.

3. The thin walled tube take-up device of claim 2, wherein: the winding roller is characterized in that a transverse frame is arranged above the guide rail in a sliding mode, two traction mechanisms used for moving the winding roller are connected to the transverse frame in a sliding mode, and the sliding direction of the transverse frame is perpendicular to that of the traction mechanisms.

4. The thin walled tube take-up device of claim 3, wherein: the traction mechanism comprises a traction motor, a rotary table is fixedly connected to an output shaft of the traction motor, a wire is wound on the rotary table, and a self-locking hook is fixed at the wire end of the wire.

5. A thin walled tube take-up device as claimed in any one of claims 1 to 4, wherein: and an anti-slip layer is fixed on the self-locking hook.