CN214726302U

CN214726302U - Traction device of film extruder

Info

Publication number: CN214726302U
Application number: CN202120295727.2U
Authority: CN
Inventors: 杨宜民
Original assignee: Luoyang Shengpeng New Material Technology Co ltd
Current assignee: Luoyang Shengpeng New Material Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-16
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a draw gear of film extruder, includes the frame, is equipped with in the frame to be used for carrying out the lambdoidal plate that pulls to the film, has the guide way of type of falling V structure in the lambdoidal plate, and upper portion in the guide way is equipped with two at least comb deflector rolls, and the both sides of the film of comb deflector roll crisscross setting in the guide way each other, and the outer periphery of comb deflector roll produces the comb flat guide effect from the relative crooked side of film, when film and comb deflector roll butt, the surface line contact of comb deflector roll and film. The device is through setting up the comb deflector roll for the film can carry out snakelike marching when entering into the direction passageway, and the outer periphery of comb deflector roll produces the flat guide effect of comb from the relative crooked side of film, and then avoids the problem that the film appears wrinkling.

Description

Traction device of film extruder

Technical Field

The utility model relates to a film production facility technical field, concretely relates to film extruder's draw gear.

Background

The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw rod, the screw extruder can fully plasticize and uniformly mix materials by means of pressure and shearing force generated by rotation of the screw rod, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, an infrequent multi-screw extruder and a non-screw extruder through the shaping of a neck mold.

The extruder is carrying out the during operation, form cylindric membrane after blowing the membrane, from the top down behind the multichannel membrane roller of chevron plate, can form two-layer bonding membrane together, but the condition of wrinkling can appear in the membrane, and then the product surface that leads to the later stage wrinkles, thereby can't reach standard, and guide roll or carry over pinch rolls are carrying out the in-process of work, the not straight problem enough of operation can appear in the membrane, the adhesion on membrane surface can appear, lead to the bellied condition of bonding to appear in the surface, although these can avoid through the unified functioning speed of control guide roll and carry over pinch rolls, but the effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a film extruder's draw gear possesses the advantage that can prevent that the film surface from wrinkling and lead to product quality poor, guarantees the quality of film, has solved the problem of mentioning in the above background art.

The utility model provides a following technical scheme: the utility model provides a draw gear of film extruder, includes the frame, is equipped with in the frame to be used for carrying out the lambdoidal plate that pulls to the film, has the guide way of type of falling V structure in the lambdoidal plate, and upper portion in the guide way is equipped with two at least comb deflector rolls, and the both sides of the film of comb deflector roll crisscross setting in the guide way each other, and the outer periphery of comb deflector roll produces the comb flat guide effect from the relative crooked side of film, when film and comb deflector roll butt, the surface line contact of comb deflector roll and film.

Wherein, the comb guide roller and the herringbone plate are mutually connected through an adjustable structure.

Further, the utility model discloses in, the comb deflector roll is installed on the comb deflector roll support, through horizontal slip connection structure interconnect between comb deflector roll support and the lambdoidal plate, and be connected with the screw thread regulation pole on the comb deflector roll support and between the lambdoidal plate, link up on the lambdoidal plate and be equipped with the screw hole of being connected with the screw thread regulation pole cooperation, the screw thread regulation pole pass behind the screw hole with comb deflector roll support fixed connection, rotating screw thread regulation pole, the horizontal slip regulation location in the displacement that the comb deflector roll support can be injectd at horizontal slip connection structure.

The position of the combing roller can be adjusted, and then the position of the combing roller is adjusted according to the thickness or the running speed of the film, so that the film is prevented from wrinkling.

The upper portion in the direction passageway is equipped with two at least comb deflector rolls, and the crisscross both sides that set up the film in the direction passageway each other of comb deflector roll, and the outer periphery of comb deflector roll produces the comb and flattens the guide effect from the relative crooked side of film, when film and comb deflector roll butt, the surface line contact of comb deflector roll and film.

Wherein, a mould device is arranged on the inner side surface of the frame, an air ring is arranged on the top of the mould device, the bottom of the herringbone plate is arranged on the top of the air ring, a mounting seat is arranged on the inner side surface of the frame above the mould device, the top of the herringbone plate extends to the inner side of the mounting seat, a traction box is arranged at one end of the top of the mounting seat, which is positioned in the frame, a lower compression roller is movably arranged on the front surface of the inner cavity of the traction box, an upper compression roller is movably arranged on the upper side of the lower compression roller, the back of the upper compression roller is connected with a rotating shaft, a first gear is sleeved on the outer surface of the rotating shaft, a first belt pulley is sleeved on the outer surface of the rotating shaft, which is positioned behind the first gear, the number of the upper compression rollers is two, a second gear meshed with the first gear is arranged on the back of the other upper compression roller, an inclined conveyor belt is movably arranged on the front surface of the inner cavity of the traction box, which is positioned on the left side of the upper compression roller, the left surface movable mounting who pulls the case has first guide roll, the top movable mounting that the left surface that pulls the case is located first guide roll has the connecting rod, the top movable mounting that the left surface that pulls the case is located the connecting rod has electric putter, electric putter's the other end and the medial surface swing joint of connecting rod, the top movable mounting of connecting rod has the second guide roll.

The device is through setting up compression roller and lower compression roller, and the film that comes out from the lambdoidal plate that makes carries out suppression many times, and the speed of going up compression roller and lower compression roller keeps unanimous to prevent that the membrane from in the operation in-process in later stage, appearing the inlayer and breaking away from each other, lead to pulling effect not good, through the cooperation that sets up connecting rod and electric putter and second guide roll, when making the film appear miniature overlapping, can carry out the micro-correction.

Wherein, pull the top of case and install the sliding seat, miniature servo motor is installed to the right flank of sliding seat, and miniature servo motor's output extends to the inside of sliding seat and is connected with the lead screw, and the surface screw thread of lead screw is installed and is removed the seat, and the top of removing the seat extends to the top of sliding seat and is connected with the install bin.

The utility model discloses a quick-witted bearing box, including install the installation case, install the chamber, place the front of intracavity chamber and install gear motor, gear motor's output and install first conveyer belt wheel, the front that places the intracavity chamber is located gear motor's top movable mounting has the second conveyer belt, first conveyer belt wheel is connected through first belt conveying, the third conveyer belt is installed in the front of second conveyer belt wheel, the link is installed to the left surface of installation case, and the other end movable mounting of link has the fourth conveyer belt, the third conveyer belt passes through the second conveyer belt and is connected with the fourth conveyer belt conveying, the back of fourth conveyer belt is connected with the regulation deflector roll, the connecting plate is installed to the left surface of installation case, and the other end movable mounting of connecting plate has middle part deflector roll.

The device is through setting up sliding seat, miniature servo motor and lead screw and removal seat for the membrane when adjusting the deflector roll and moving between the middle part deflector roll, if the membrane leads to the membrane to appear overlapping when the speed is inconsistent between carry over pinch rolls and the deflector roll when moving, messenger's install bin that can be quick moves, and then guarantees that the membrane keeps the straight line, and then can prevent that the phenomenon of adhesion from appearing in the membrane surface.

Preferably, the number of the lower pressing rollers is two, the back parts of the two lower pressing rollers are connected with a first gear and a second gear which are the same as the positions of the upper pressing rollers, and the back parts of the lower pressing rollers are located below the first gear and are connected with a second belt pulley matched with the first belt pulley.

Has the advantages that: the device is through setting up the comb deflector roll for the film can carry out snakelike marching when entering into the direction passageway, and the outer periphery of comb deflector roll produces the flat guide effect of comb from the relative crooked side of film, and then avoids the problem that the film appears wrinkling.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a sectional view of the traction box of the present invention;

FIG. 3 is an enlarged view of the point A in the structure of FIG. 1;

FIG. 4 is a schematic view of the structure guiding device of the present invention;

fig. 5 is an enlarged view of the position B in the structure diagram 1 of the present invention.

In the figure: 1. a frame; 2. an upper compression roller; 3. a traction box; 4. a film; 5. a herringbone plate; 501. a comb guide roller support; 502. a threaded adjusting rod; 503. combing and guiding rollers; 6. a wind ring; 7. a mold device; 8. a lower pressing roller; 9. installing a box; 901. a placement chamber; 902. a reduction motor; 903. a first conveyor belt pulley; 904. a second belt pulley; 905. a third belt pulley; 906. a second conveyor belt; 907. a fourth belt pulley; 908. adjusting the guide roller; 909. a connecting frame; 910. a first belt; 10. a first guide roller; 11. a connecting rod; 12. an electric push rod; 13. a second guide roller; 14. a middle guide roller; 15. a connecting plate; 16. an inclined conveyor belt; 17. a second gear; 18. a first pulley; 19. a rotating shaft; 20. a first gear; 21. a movable seat; 22. a servo motor; 23. a light detection device; 24. a movable seat; 25. a screw rod; 26. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A traction device of a film extruder comprises a frame 1, as shown in figures 1 and 3, a herringbone plate 5 used for drawing a film is arranged in the frame 1, a guide channel with an inverted V-shaped structure is arranged in the herringbone plate 5, at least two combing rollers 503 are arranged at the upper part in the guide channel, the combing rollers 503 are arranged at two sides of the film in the guide channel in a mutually staggered mode, the outer circumferential surface of the combing roller 503 generates a combing and leveling guide effect from the relatively bent side surface of the film, and when the film is abutted to the combing roller 503, the combing roller 503 is in line contact with the surface of the film.

Wherein, the comb guide roller 503 is connected with the herringbone plate 5 through an adjustable structure. The specific setting mode is as follows: the comb guide roller 503 is installed on a comb guide roller support 501, the comb guide roller support 501 and the herringbone plate 5 are connected with each other through a horizontal sliding connection structure, a threaded adjusting rod 502 is connected between the comb guide roller support 501 and the herringbone plate 5, a threaded hole matched and connected with the threaded adjusting rod 502 is formed in the herringbone plate 5 in a penetrating mode, the threaded adjusting rod 502 penetrates through the threaded hole and then is fixedly connected with the comb guide roller support 501, the threaded adjusting rod 502 is rotated, and the comb guide roller support 501 can be horizontally slid and adjusted and positioned in the displacement limited by the horizontal sliding connection structure. The horizontal sliding connection structure can be in various forms, such as the existing connection structure of the sliding chute and the sliding block, and the details are not repeated here.

The number of the guide comb rollers 503 illustrated in the figure is two and 4, and four guide comb rollers 503 are alternately arranged.

As shown in fig. 1 and fig. 2, a mold device 7 is fixedly installed on the inner side surface of a frame 1, a wind ring 6 is fixedly installed on the top of the mold device 7, a herringbone plate 5 is fixedly installed on the top of the wind ring 6, an installation seat 26 is fixedly installed on the inner side surface of the frame 1 above the mold device 7, the top of the herringbone plate 5 extends to the inner side of the installation seat 26, a traction box 3 is fixedly installed on one end of the bottom of the installation seat 26 inside the frame 1, a lower compression roller 8 is movably installed on the front surface of the inner cavity of the traction box 3, an upper compression roller 2 is movably installed on the front surface of the inner cavity of the traction box 3 below the lower compression roller 8, a rotating shaft 19 is fixedly connected to the back of the upper compression roller 2, a first gear 20 is fixedly installed on the outer surface of the rotating shaft 19, a first belt pulley 18 is fixedly installed on the outer surface of the rotating shaft 19 behind the first gear 20, the number of the upper compression rollers 2 is two, a second gear 17 engaged with the first gear 20 is fixedly installed on the back of the other upper compression roller 2, the number of the lower compression rollers 8 is two, the back parts of the two lower compression rollers 8 are fixedly connected with a first gear 20 and a second gear 17 which are the same as the position of the upper compression roller 2, the back parts of the lower compression rollers 8 are positioned below the first gear 20 and are fixedly connected with a second belt pulley matched with a first belt pulley 18, the synchronous rotation of the lower compression rollers 8 and the upper compression roller 2 can be ensured by arranging the first gear 20, the second gear 17 and the first belt pulley 18, and further the synchronous operation of the film 4 is ensured, the front surface of the inner cavity of the traction box 3 is positioned on the left side surface of the upper compression roller 2 and is movably provided with the inclined conveyor belts 16, the number of the inclined conveyor belts 16 is two, the two inclined conveyor belts 16 are obliquely and symmetrically arranged by taking the film 4 as a central line, the left side surface of the traction box 3 is movably provided with the first guide roller 10, and the inclined conveyor belts 16 can ensure that the material discharged from the position of the upper compression roller 2 enters the first guide roller 10, the film 4 is prevented from being stretched due to the gravity of the film 4, the film 4 is borne, the connecting rod 11 is movably arranged on the left side face of the traction box 3 and is positioned below the first guide roller 10, the electric push rod 12 is movably arranged on the left side face of the traction box 3 and is positioned below the connecting rod 11, the other end of the electric push rod 12 is movably connected with the inner side face of the connecting rod 11, the second guide roller 13 is movably arranged at the bottom of the connecting rod 11, the light detection device 23 is fixedly arranged at the top of the traction box 3, a PLC (programmable logic controller) device for controlling the light detection device 23 is arranged on the device and plays a role of a bridge between the light detection device 23 and power equipment, the film 4 coming out of the herringbone plate 5 is pressed for multiple times by arranging the upper press roller 2 and the lower press roller 8, the speeds of the upper press roller 2 and the lower press roller 8 are kept consistent, so that the film is prevented from being operated in the later period, the inner layer breaks away from each other, leads to the pulling effect not good, through the cooperation that sets up connecting rod 11 and electric putter 12 and second guide roll 13 for when the miniature overlapping appears in film 4, can carry out the fine correction.

As shown in fig. 5, a movable seat 21 is fixedly mounted on the top of the traction box 3 on the right side of the light detection device 23, a micro servo motor 22 is fixedly mounted on the right side of the movable seat 21, an output end of the micro servo motor 22 extends to the inside of the movable seat 21 and is fixedly connected with a lead screw 25, a movable seat 24 is mounted on the outer surface of the lead screw 25 in a threaded manner, and the top of the movable seat 24 extends to the lower side of the movable seat 21 and is fixedly connected with a mounting box 9.

As shown in fig. 4, a placing cavity 901 is formed inside the mounting box 9, a speed reducing motor 902 is fixedly installed on the front surface of the inner cavity of the placing cavity 901, a first transmission pulley 903 is fixedly installed at the output end of the speed reducing motor 902, a second transmission pulley 904 is movably installed on the front surface of the inner cavity of the placing cavity 901 above the speed reducing motor 902, the first transmission pulley 903 is in transmission connection with the first transmission pulley 910, a third transmission pulley 905 is fixedly installed on the front surface of the second transmission pulley 904, a connecting frame 909 is fixedly installed on the left side surface of the mounting box 9, a fourth transmission pulley 907 is movably installed at the other end of the connecting frame 909, the third transmission pulley 905 is in transmission connection with the fourth transmission pulley 907 through the second transmission belt 906, an adjusting guide roller 908 is fixedly connected to the back of the fourth transmission pulley 907, a connecting plate 15 is fixedly installed on the left side surface of the mounting box 9, and a middle guide roller 14 is movably installed at the other end of the connecting plate 15, through setting up light detection device 23, sliding seat 21, miniature servo motor 22 and lead screw 25 and removal seat 24 for the membrane is when adjusting the motion between deflector roll 908 and middle part deflector roll 14, if the membrane leads to the membrane to appear overlapping when the speed is inconsistent because appearing between carry over pinch rolls and the deflector roll, can be quick make install bin 9 move, and then guarantee that the membrane keeps the straight line, and then can prevent that the phenomenon of adhesion from appearing in the membrane surface.

The working principle is that the material is extruded from the die device 7 and then formed, and then cooled through the air ring 6, enters the lambdoidal plate 5, the original cylindrical film is folded into a double-layer planar film, at the moment, the thread adjusting rod 502 is rotated to drive the combing roller support 501 to horizontally move according to the speed of discharging, so that the contact area between the combing roller 503 and the film is adjusted, the film is guided and flatly pressed, so that the film 4 is prevented from wrinkling, then the film 4 enters the traction box 3, sequentially passes through the lower compression roller 8 and the upper compression roller 2, so as to further pull the film 4, then the film 4 enters the inclined conveyor belt 16, so as to ensure that the film 4 is prevented from sagging due to gravity, the running direction of the film 4 is changed through the first guide roller 10, then enters the second guide roller 13, sequentially passes through the adjusting guide roller 908 and the middle guide roller 14 and the other adjusting guide roller 908, then discharging, in the process of operation, the speed reducing motor 902 drives the first conveyor belt 903 to rotate, then the first conveyor belt 903 will drive the second conveyor belt 904 to rotate through the first belt 910, so as to rotate the third conveyor belt 905, the third conveyor belt 905 will drive the fourth conveyor belt 907 to rotate through the second conveyor belt 906, so as to rotate the adjusting guide roller 908, so as to enable the movement of the film 4 to have power, when the light detection device 23 detects that the refraction angle of the material is deviated, it is indicated that the film 4 is folded at the second guide roller 13 and the adjusting guide roller 908, if the deviation angle of the light is not large, the electric push rod 12 can drive the connecting rod 11 to incline, so as to change the position of the second guide roller 13, so as to straighten the film, when the deviation angle of the light is large, the servo motor 22 rotates to drive the screw rod 25 to rotate, so that the movable seat 24 moves to drive the whole installation box 9 to move, and further the distance between the second guide roller 13 and the adjusting guide roller 908 is changed in a large range, so that the film 4 is straightened.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a draw gear of film extruder, includes frame (1), is equipped with herringbone board (5) that are used for drawing the film in frame (1), has the direction passageway of type of falling V structure in herringbone board (5), its characterized in that: the upper portion in the guide passage is equipped with two at least comb deflector rolls (503), and comb deflector roll (503) crisscross the both sides of setting up the film in the guide passage each other, and the outer periphery of comb deflector roll (503) produces the comb flat guide effect from the relative crooked side of film, when film and comb deflector roll (503) butt, comb deflector roll (503) and the surperficial line contact of film.

2. The pulling device of a film extruder as set forth in claim 1, wherein: the comb guide roller (503) and the herringbone plate (5) are connected with each other through an adjustable structure.

3. The pulling device of a film extruder as set forth in claim 2, wherein: comb deflector roll (503) are installed on comb deflector roll support (501), through horizontal sliding connection structure interconnect between comb deflector roll support (501) and lambdoidal plate (5), and be connected with threaded regulation pole (502) on comb deflector roll support (501) between with lambdoidal plate (5), link up on lambdoidal plate (5) and be equipped with the screw hole of being connected with threaded regulation pole (502) cooperation, threaded regulation pole (502) pass behind the screw hole with comb deflector roll support (501) fixed connection, rotating threaded regulation pole (502), horizontal sliding adjustment location in the displacement that horizontal sliding connection structure was injectd can be adjusted in comb deflector roll support (501).

4. The pulling device of a film extruder as set forth in claim 1, wherein: a mold device (7) is installed on the inner side surface of a rack (1), an air ring (6) is installed at the top of the mold device (7), the top of a herringbone plate (5) is installed at the top of the air ring (6), a mounting seat (26) is installed above the mold device (7) on the inner side surface of the rack (1), the top of the herringbone plate (5) extends to the inner side of the mounting seat (26), a traction box (3) is installed at one end of the top of the mounting seat (26) positioned inside the rack (1), a lower compression roller (8) is movably installed on the front surface of the inner cavity of the traction box (3), an upper compression roller (2) is movably installed above the lower compression roller (8) on the front surface of the inner cavity of the traction box (3), a rotating shaft (19) is connected to the back of the upper compression roller (2), a first gear (20) is sleeved on the outer surface of the rotating shaft (19), a first belt pulley (18) is sleeved on the outer surface of the first gear (20), go up the quantity of compression roller (2) and be two, go up the back of compression roller (2) in another and install second gear (17) with first gear (20) engaged with, the front that pulls case (3) inner chamber is located the left surface movable mounting of compression roller (2) has inclined conveyor belt (16), and the left surface movable mounting who pulls case (3) has first guide roll (10), the top movable mounting that the left surface that pulls case (3) is located first guide roll (10) has connecting rod (11), the top movable mounting that the left surface that pulls case (3) is located connecting rod (11) has electric putter (12), the other end of electric putter (12) and the medial surface swing joint of connecting rod (11), and the top movable mounting of connecting rod (11) has second guide roll (13).

5. The pulling device of a film extruder as set forth in claim 4, wherein: draw the top of case (3) to install sliding seat (21), miniature servo motor (22) are installed to the right flank of sliding seat (21), and the output of miniature servo motor (22) extends to the inside of sliding seat (21) and is connected with lead screw (25), and the surface screw thread of lead screw (25) is installed and is removed seat (24), and the top of removing seat (24) extends to the top of sliding seat (21) and is connected with install bin (9).

6. The pulling device of a film extruder as set forth in claim 5, wherein: a placing cavity (901) is formed in the mounting box (9), a speed reducing motor (902) is installed on the front face of the inner cavity of the placing cavity (901), a first conveying belt wheel (903) is installed at the output end of the speed reducing motor (902), a second conveying belt wheel (904) is movably installed on the front face of the inner cavity of the placing cavity (901) and located above the speed reducing motor (902), the first conveying belt wheel (903) is connected through a first belt (910) in a transmission mode, a third conveying belt wheel (905) is installed on the front face of the second conveying belt wheel (904), a connecting frame (909) is installed on the left side face of the mounting box (9), a fourth conveying belt wheel (907) is movably installed at the other end of the connecting frame (909), the third conveying belt wheel (905) is connected with the fourth conveying belt wheel (907) through a second conveying belt (906) in a transmission mode, and the back of the fourth conveying belt wheel (907) is connected with an adjusting guide roller (908), connecting plate (15) are installed to the left surface of install bin (9), and middle part deflector roll (14) are installed to the other end movable mounting of connecting plate (15).

7. The pulling device of a film extruder as set forth in claim 4, wherein: the number of lower compression roller (8) is two, and the back of two lower compression roller (8) is connected with first gear (20) and second gear (17) the same with last compression roller (2) department, the back of lower compression roller (8) is located the below of first gear (20) and is connected with the second belt pulley with first belt pulley (18) matched with.