CN211366405U - Air pressure recovery winding device for TPU casting machine - Google Patents

Abstract

The utility model relates to a new material field discloses a coiling mechanism is replied to atmospheric pressure that TPU curtain coating machine was used, including the frame bottom plate, the frame curb plate is connected to frame bottom plate both sides, rotationally connect the wind-up roll on the frame curb plate, with the compression roller, the nip roll, compression roller and carry over pinch rolls, the oblique below installation of wind-up roll is with the compression roller, compression roller and carry over pinch rolls are installed at the feed end, it has the spout to open on passing the position of two frame curb plates with the compression roller both ends, pass the spout with the both ends of compression roller and rotationally connect the bearing, bearing both ends link block, on the slider, be equipped with the spacing ring on the lower bottom surface, two spacing rings fix the slider on the slide bar, piston sliding connection is in leading the gas shell, the one end of connecting the air duct on leading gas shell bottom side, the. The device is favorable for removing air between films of the PTU film mother roll.

Description

Air pressure recovery winding device for TPU casting machine

Technical Field

The utility model relates to a new material field especially relates to a coiling mechanism is replied to atmospheric pressure that TPU curtain coating machine was used.

Background

If chinese patent publication No. CN 206645616U discloses a TPU cast film rolling machine, including the board, the board side is provided with motor and switch board, and the board both sides set up the pivot frame, and the pivot frame front end sets up the expansion wheel, and the expansion wheel includes running roller and expansion belt, and the expansion belt cover is established on the running roller, and it is unfavorable for removing the air between the rete.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air between rete that can extrude the female book of PTU film, when changing the book core, can reply the coiling mechanism that the curtain coating machine of initial extrusion position used automatically moreover.

In order to solve the problems, the air pressure recovery winding device for the TPU tape casting machine comprises a frame bottom plate, frame side plates are connected with two sides of the frame bottom plate, a winding roller, a follow-up roller, a flattening roller, a compression roller and a traction roller are rotatably connected on the frame side plates and can be selected to be in pin connection, the winding roller and the follow-up roller are arranged at a material receiving end, the follow-up roller is arranged below the winding roller in an inclined mode and can extrude a mother roll on the winding roller, the compression roller and the traction roller are arranged at a material feeding end, the traction roller is arranged under the compression roller and can roll a PTU film, the flattening roller is arranged between the material feeding end and the material receiving end and is positioned above the compression roller and the traction roller,

furthermore, a motor is arranged on a bottom plate of the machine frame at the receiving end, the motor is close to a side plate of the machine frame at one side, the motor is connected with a horizontal driving shaft, the driving shaft can rotatably penetrate through the side plate of the machine frame and is fixedly connected with a first driving wheel, the first driving wheel is connected with a second driving wheel through a driving belt, one end of a wind-up roll penetrates through the side plate of the machine frame and is connected with the second driving wheel, sliding grooves are formed in the positions, where the two ends of a follow-up roll penetrate through the two side plates of the machine frame, the two ends of the follow-up roll can rotatably connect with bearings which are attached to the side plate of the machine frame and can slide relative to the side plate of the machine frame, the sliding blocks can slidably penetrate through the sliding rods, the upper ends of the sliding rods penetrate through the sliding blocks, the lower ends of, piston sliding connection is in the air guide shell, connects the one end of air duct on the side of air guide shell bottom, and the other end of air duct connects elasticity gasbag, air guide shell, air duct and elasticity gasbag intercommunication.

Further, the diameter of the bearing is larger than the width of the sliding groove, and the bearing cannot be clamped on the sliding groove.

Furthermore, a cushion block is arranged below the air guide shell, so that the cushion block can be conveniently leveled.

The utility model discloses be favorable to getting rid of the rete air of the female book of PTU film, can be along with the diameter increase of female book moreover, and the position of adjustment extrusion air, when changing the book core, can reply the extrusion position automatically.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

FIG. 2 is another schematic view of the embodiment.

Reference numerals: 1. a chassis base plate; 2. a frame side plate; 3. a wind-up roll; 4. a pressure following roller; 5. flattening rollers; 6. a compression roller; 7. a traction roller; 8. a motor; 9. a drive shaft; 10. a first drive pulley; 11. a transmission belt; 12. a second transmission wheel; 13. a chute; 14. a bearing; 15. a slider; 16. a slide bar; 17. cushion blocks; 18. a gas-conducting shell; 19. a limiting ring; 20. an air duct; 21. an elastic air bag.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-2, a coiling mechanism is replied to atmospheric pressure that TPU casting machine was used, including frame bottom plate 1, and be located the frame curb plate 2 of its both sides, rotationally be connected with wind-up roll 3 between two frame curb plates 2, with compression roller 4, nip roll 5, compression roller 6 and carry over pinch rolls 7, wind-up roll 3 with compression roller 4 install at the receipts material end, the oblique below installation of wind-up roll 3 is with compression roller 4, install the book core on wind-up roll 3, when rolling up the PTU film on rolling up the core, with compression roller 4 can extrude the female book on the wind-up roll 3, get rid of the air between the rete, and, along with the radius increase of female book, with compression roller 4 can adaptability adjusting position, continuously extrude on the female book of wind-up roll 3.

Compression roller 6 and carry over pinch rolls 7 are installed at the feed end, and installation carry over pinch rolls 7 under compression roller 6, and the PTU film passes between compression roller 6 and carry over pinch rolls 7 after the calendar conveying out, and carry over pinch rolls 7 and rotate, roll for the first time PTU film with compression roller 6.

Nip roll 5 installs at the feed end and receives between the material end, is located the top of compression roller 6 and carry over pinch rolls 7, and the PTU film through the first rolling passes through nip roll 5 tops, again rolls up to wind-up roll 3 downwards on, nip roll 5 can open up the flat film, eliminates the wrinkle.

A motor 8 is arranged on a frame bottom plate 1 at a material receiving end, the motor 8 is close to one side of a frame side plate 2, the motor 8 is connected with a horizontal driving shaft 9, the driving shaft 9 can rotatably penetrate through the frame side plate 2 and is fixedly connected with a first driving wheel 10, the first driving wheel 10 is connected with a second driving wheel 12 through a driving belt 11, the first driving wheel 10 can drive the second driving wheel 12 to rotate, one end of a wind-up roll 3 penetrates through the frame side plate 2 and is connected with the second driving wheel 12, the second driving wheel 12 drives the wind-up roll 3 to rotate, sliding grooves 13 are arranged at positions where two ends of a follow-up pressure roll 4 penetrate through the two frame side plates 2, two ends of the follow-up pressure roll 4 can rotatably connect with bearings 14 through the sliding grooves 13, the diameter of each bearing 14 is larger than the width of the sliding groove 13, the bearing 14 clings to the frame side plate 2, the air guide shell can slide relative to the side plate 2 of the rack, the sliding block 15 can slidably penetrate through the sliding rod 16, the upper end of the sliding rod 16 penetrates through the sliding block 15, the lower end of the sliding rod 16 is connected with the piston, the upper bottom surface and the lower bottom surface of the sliding block 15 are provided with limiting rings 19, the sliding block 15 is fixed on the sliding rod 16 through the two limiting rings 19, the sliding block 15 can drive the sliding rod 16 to slide, the piston is slidably connected in the air guide shell 18, and the piston can extrude air in the air guide shell. One end of an air duct 20 is connected to the side face of the bottom end of the air guide shell 18, the other end of the air duct 20 is connected with an elastic air bag 21, and the air guide shell 18, the air duct 20 and the elastic air bag 21 are communicated.

A cushion block 17 is arranged below the air guide shell 18, and the cushion block 17 can be used for flatly cushioning the air guide shell 18.

Along with female roll diameter increase, can increase with the distance between compression roller 4 and the wind-up roll 3, will follow compression roller 4 along spout 3 downstream to adapt to the female roll of extrusion increase, the piston extrudees the gas in the air guide shell 18 downwards this moment, and gas in the air guide shell 18 is extruded to elasticity gasbag 21 in, and elasticity gasbag 21 expands, and the piston position can descend, is convenient for adapt to the decline with compression roller 4.

When the winding core is replaced, the pressure applied to the piston is reduced and is not enough to maintain the inflation state of the elastic air bag 21, part of air in the elastic air bag 21 flows into the air guide shell 18 through the air guide tube 20, the piston is pushed to slide upwards and cannot be separated from the air guide shell 18, the piston pushes the sliding rod 16, the sliding rod 16 pushes the sliding block 15, the sliding block 15 pushes the bearing 14, the bearing 14 pushes the following compression roller 4 to return to the initial position, the next winding operation is continued, and the position of the following compression roller 4 is not required to be additionally adjusted.

This device is favorable to getting rid of the air between the rete of the female book of PTU film, can be along with the diameter increase of female book moreover, and the position of adjustment extrusion air, when changing the book core, can reply extrusion position automatically.

The present invention is further illustrated and not limited by the specific embodiments, and it will be apparent to those skilled in the art that the structure may be modified without departing from the scope of the present invention, and all such modifications are intended to be within the scope of the present invention.

Claims (3)

1. The utility model provides a coiling mechanism is replied to atmospheric pressure that TPU casting machine was used, includes frame bottom plate (1), frame curb plate (2) is connected to frame bottom plate (1) both sides, rotationally connect wind-up roll (3) on frame curb plate (2), with compression roller (4), nip roll (5), compression roller (6) and carry over pinch rolls (7), install at the receipts material end with compression roller (4) wind-up roll (3) and oblique below installation of wind-up roll (3) with compression roller (4), can extrude with compression roller (4) the female book on the wind-up roll (3), install at the feed end compression roller (6) and carry over pinch rolls (7), install carry over pinch rolls (7) under compression roller (6), carry over pinch rolls (7) and can roll PTU film with compression roller (6), nip roll (5) are installed between the feed end and receive the material end, are located the top of compression roller (6) and carry over pinch rolls (7), the automatic winding machine is characterized in that a motor (8) is mounted on a rack bottom plate (1) at a material receiving end, the motor (8) is close to one side of a rack side plate (2), the motor (8) is connected with a horizontal driving shaft (9), the driving shaft (9) rotatably penetrates through the rack side plate (2), a first driving wheel (10) is fixedly connected with the rack side plate, the first driving wheel (10) is connected with a second driving wheel (12) through a driving belt (11), one end of a winding roller (3) penetrates through the rack side plate (2) to be connected with the second driving wheel (12), sliding grooves (13) are formed in positions where two rack side plates (2) are penetrated through two ends of a follow-pressing roller (4), two ends of the follow-pressing roller (4) penetrate through the sliding grooves (13) to be rotatably connected with bearings (14), the bearings (14) are attached to the rack side plate (2) and, bearing (14) both ends link block (15), slider (15) paste and lean on frame curb plate (2) to can produce relative slip with frame curb plate (2), slide bar (16) are passed to slider (15) slidable, slide bar (16) upper end is passed slider (15), lower extreme connection piston are equipped with spacing ring (19) on slider (15) the upper and lower bottom surface, and two spacing rings (19) are fixed slider (15) on slide bar (16), piston sliding connection is in leading gas shell (18), leads the one end of connecting air duct (20) on gas shell (18) bottom side, and elasticity gasbag (21) are connected to the other end of air duct (20), lead gas shell (18), air duct (20) and elasticity gasbag (21) intercommunication.

2. An air pressure recovery winder for TPU casting machines as set forth in claim 1 wherein said bearing (14) has a diameter greater than the width of the chute (13).

3. An air pressure recovery winding device for TPU casting machine according to claim 1 or 2 characterized in that a cushion block (17) is set under the air guiding shell (18).

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