CN221093056U - Film blowing device - Google Patents

Abstract

The utility model discloses a film blowing device, which belongs to the technical field of film production and comprises a bottom plate, wherein blowing equipment is fixedly connected to the upper surface of the bottom plate, a guide structure is arranged at the position of the blowing equipment on the upper surface of the bottom plate, a winding structure is arranged on one side of the guide structure, a replacement mechanism is arranged on one side of the winding structure far away from the guide structure, the device firstly shortens a first telescopic rod to drive a rotating rod to rotate around a fixed rod through the arranged replacement mechanism, so as to drive the winding roller to rotate, the winding roller is moved onto a guide groove, the winding roller can be conveniently taken out, the first telescopic rod is then extended, the rotating rod is reset, then a second motor is started to drive the rotating roller to rotate, so that a driving belt is driven to rotate, an L-shaped block is driven to move, and finally a new winding roller can be placed onto the rotating rod, so that the winding roller is replaced without manual replacement, and the practicability of the device is improved.

Description

Film blowing device

Technical Field

The utility model relates to the technical field of film production, in particular to a film blowing device.

Background

Film blowing, also known as flat folded film tube extrusion or blown film extrusion, is one of the primary methods of producing plastic films. Adding plastic into an extruder, melting, extruding the plastic into a cylinder (tube) shape from an annular gap of a front port die, introducing compressed air into a central hole of a core rod of a machine head, blowing the cylinder into a bubble tube shape (generally blowing for 2-3 times), stretching the longitudinal and transverse times to obtain a bubble tube with a certain expansion multiple, cooling the bubble tube by using an outer air ring (sometimes additionally cooling), then entering a guide clamping plate and a traction clamping roller to flatten the bubble tube, preventing air in the bubble tube from leaking out to maintain the required constant blowing pressure, flattening the bubble tube to form a flat-folded double-layer film, and finally entering a coiling device for coiling;

When the film is blown, the blown film floats in the air for a period of time and is extruded into a film, and when the film floats in the air, dust is easy to adhere to the surface of the film, and most of the existing forming devices cannot well perform automatic dust removal on the film;

The prior patent (bulletin number: CN 217258369U) discloses a film blow molding device, after a film is conveyed between two cleaning rollers, an electric telescopic rod can drive a sliding plate to move, thereby driving one cleaning roller to move, the cleaning roller is adjusted to enable the two cleaning rollers to be in contact with the surface of the film, the surface of the film can be cleaned through a sponge layer coated on the surface of the cleaning roller, after the surface of the film is cleaned through the two cleaning rollers, wind power can be conveyed to the inside of a conveying plate through a fan, then the wind power is conveyed to the inside of an air outlet plate, and finally the wind power flows outwards through an air outlet hole, so that the surface of the film is cleaned again, and the cleaning effect is improved.

To above-mentioned problem, current patent has given the solution, but the device is when using, and the film of finally producing gets up its rolling through the wind-up roll, and after the wind-up roll was rolled up the film to a certain extent, just need to change the wind-up roll and roll up again to the film, and current when changing the wind-up roll, mostly the workman is manual to be changed, wastes time and energy, has reduced the practicality of device.

Disclosure of Invention

The utility model aims to provide a film blowing device which can solve the problem that a worker takes time and labor when replacing a wind-up roll manually.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a film blowing device, includes the bottom plate, the upper surface fixedly connected with blowing equipment of bottom plate, the position of bottom plate upper surface blowing equipment is provided with guide structure, one side of guide structure is provided with the rolling structure, one side that guide structure was kept away from to the rolling structure is provided with the change mechanism, change mechanism include with bottom plate upper surface rolling structure keep away from guide structure one side fixedly connected with dead lever, the both ends of dead lever all rotate and are connected with the dwang, two the upper end swing joint of dwang has the wind-up roll;

The outer surface of dwang is equal sliding connection has the lantern ring, two the equal fixedly connected with fixed block in one side of lantern ring, two the inside of a fixed block is all rotated and is connected with a connecting block, the upper surface dead lever one side fixedly connected with two No. two fixed blocks of bottom plate, two the inside of No. two fixed blocks is rotated and is connected with No. two connecting blocks, a fixedly connected with telescopic link between a connecting block and No. two connecting blocks, one side fixedly connected with guide way that bottom plate upper surface dead lever is close to No. two fixed blocks.

Preferably, be provided with cutting mechanism between winding structure and the change mechanism, cutting mechanism includes the fixed plate with fixed connection between the bottom plate upper surface winding structure and the change mechanism, the spout has been seted up to the upper surface of fixed plate, the inside sliding connection of spout has the slider, the upper surface fixedly connected with cutting blade of slider, surface one side fixedly connected with No. three motors of fixed plate, the output fixedly connected with threaded rod of No. three motors, and the threaded rod runs through slider and slider threaded connection.

Preferably, a clamping plate is arranged above the fixing plate, two ends of the clamping plate are fixedly connected with connecting plates, and two second telescopic rods are fixedly connected between the lower surfaces of the two connecting plates and the upper surface of the bottom plate.

Preferably, the blowing equipment of bottom plate upper surface is kept away from the one side fixedly connected with crowded material equipment of rolling structure, the upper surface one side fixedly connected with feeder hopper of crowded material equipment.

Preferably, the guide structure comprises a first mounting frame fixedly connected with the position of the blow molding equipment on the upper surface of the bottom plate, two mounting rods are fixedly connected with the upper side of the inner blow molding equipment of the first mounting frame, two squeeze rollers are movably connected between the mounting rods, a U-shaped mounting frame is fixedly connected with the upper side of one squeeze roller on the upper surface of the mounting rod, a guide roller is movably connected with the inner side of the U-shaped mounting frame, and two guide rollers are fixedly connected with one side, close to the guide roller, of the outer surface of the first mounting frame.

Preferably, the upper surface of blowing equipment is provided with the film, the film runs through between two squeeze rolls and between squeeze roll and the guide roll, and the film passes two guide rolls to the winding structure in, two the both sides of the lower surface film of installation pole are all fixedly connected with guide frame.

Preferably, the winding structure comprises a second mounting frame fixedly connected with one side of a first mounting frame on the upper surface of the bottom plate, two clamping rollers are rotatably connected to one side, close to the first mounting frame, of the upper end of the second mounting frame, one side, far away from the clamping rollers, of the upper end of the second mounting frame is rotatably connected with a driving roller, and one end of the driving roller penetrates through the second mounting frame and is fixedly connected with the output end of a motor.

Preferably, the mounting plate is fixedly connected with two sides of the upper surface of the second mounting frame, two rotating rollers are fixedly connected with the upper part between the mounting plates, one end of one of the rotating rollers penetrates through the mounting plate and is fixedly connected with the output end of the second motor, two sides of the rotating rollers are movably connected with driving belts, and a plurality of evenly distributed L-shaped blocks are fixedly connected with the outer surfaces of the driving belts.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the application, the first telescopic rod is started through the replacement mechanism, the first telescopic rod is shortened, then the rotating rod is driven to rotate around the fixed rod, so that the winding roller is driven to rotate, the winding roller is enabled to move onto the guide groove, the winding roller which is wound is conveniently taken out, then the first telescopic rod is extended, the rotating rod is reset, then the second motor is started to drive the rotating roller to rotate, so that the driving belt is driven to rotate, the L-shaped block is driven to move, and finally a new winding roller can be placed onto the rotating rod, so that the winding roller is replaced without manual replacement, and the practicability of the device is improved;

2. According to the application, through the cutting mechanism, after the wind-up roll moves onto the guide groove, the second telescopic rod is started to drive the clamping plate to move downwards through the connecting plate, so that the film is clamped and fixed through the clamping plate and the fixing plate, then the third motor is started to drive the threaded rod to rotate, so that the sliding block is driven to move, the cutting blade is driven to move, the film is cut out through the movement of the cutting blade, the wind-up roll can be conveniently taken out, the film is clamped and fixed through the clamping plate and the fixing plate, the flatness of the cutting blade on the film cutting can be improved, and the practicability of the device is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall structural view of the present utility model;

FIG. 2 is a side view of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view of the change mechanism of the present utility model;

Fig. 4 is a cross-sectional view of the cutting mechanism of the present utility model.

Reference numerals illustrate:

1. A bottom plate; 2. an extrusion device; 3. a blow molding apparatus; 4. a feed hopper; 5. a guide structure; 51. a first mounting rack; 52. a mounting rod; 53. a squeeze roll; 54. a U-shaped mounting rack; 55. a guide roller; 56. a guide frame; 57. a guide roller; 6. a winding structure; 61. a second mounting rack; 62. a grip roll; 63. a motor I; 64. a driving roller; 7. a replacement mechanism; 71. a fixed rod; 72. a rotating lever; 73. a collar; 74. a first fixed block; 75. a first connecting block; 76. a second fixed block; 77. a second connecting block; 78. a first telescopic rod; 79. a guide groove; 710. a mounting plate; 711. a rotating roller; 712. a motor II; 713. a transmission belt; 714. an L-shaped block; 8. a cutting mechanism; 81. a fixing plate; 82. a chute; 83. a third motor; 84. a threaded rod; 85. a slide block; 86. a cutting blade; 87. a second telescopic rod; 88. a connecting plate; 89. a clamping plate; 9. a film; 10. and (5) a wind-up roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

The utility model provides a film blowing device, includes bottom plate 1, the upper surface fixedly connected with blowing equipment 3 of bottom plate 1, the position of blowing equipment 3 of bottom plate 1 upper surface is provided with guide structure 5, one side of guide structure 5 is provided with rolling structure 6, one side that guide structure 5 was kept away from to rolling structure 6 is provided with change mechanism 7, change mechanism 7 includes and keeps away from guide structure 5 one side fixedly connected with dead lever 71 with bottom plate 1 upper surface rolling structure 6, the both ends of dead lever 71 all rotate and are connected with dwang 72, the upper end swing joint of two dwang 72 has wind-up roll 10;

The outer surfaces of the rotating rods 72 are slidably connected with lantern rings 73, one sides of the lantern rings 73 are fixedly connected with first fixing blocks 74, the inside of the first fixing blocks 74 is rotatably connected with first connecting blocks 75, one side of an upper surface fixing rod 71 of the bottom plate 1 is fixedly connected with second fixing blocks 76, the inside of the second fixing blocks 76 is rotatably connected with second connecting blocks 77, a first telescopic rod 78 is fixedly connected between the first connecting blocks 75 and the second connecting blocks 77, and one side, close to the second fixing blocks 76, of the upper surface fixing rod 71 of the bottom plate 1 is fixedly connected with guide grooves 79.

Specifically, as shown in fig. 3, two sides of the upper surface of the second mounting frame 61 are fixedly connected with mounting plates 710, two rotating rollers 711 are fixedly connected above the two mounting plates 710, one end of one rotating roller 711 of the two rotating rollers 711 penetrates through the mounting plates 710 and is fixedly connected with the output end of the second motor 712, two sides of the rotating rollers 711 are movably connected with driving belts 713, and a plurality of evenly distributed L-shaped blocks 714 are fixedly connected with the outer surfaces of the two driving belts 713.

After the film 9 is wound to a certain extent by the winding roller 10, the first telescopic rod 78 is started, the first telescopic rod 78 is shortened, then the second connecting block 77 is connected with the second fixing block 76 in a rotating mode, the first connecting block 75 is connected with the first fixing block 74 in a rotating mode, the lantern ring 73 is connected with the rotating rod 72 in a sliding mode, the rotating rod 72 can be driven to rotate around the fixing rod 71, the winding roller 10 is driven to rotate, the winding roller 10 is enabled to move to the guide groove 79, the winding roller 10 can be conveniently taken out, the first telescopic rod 78 is extended, the rotating rod 72 is reset, the second motor 712 is started to drive the rotating roller 711 to rotate, the driving belt 713 is driven to rotate, the L-shaped block 714 is driven to move, and finally a new winding roller 10 can be placed on the rotating rod 72, so that replacement of the winding roller 10 is completed, manual replacement is not needed, and the practicability of the device is improved.

Specifically, as shown in fig. 2 and fig. 4, a cutting mechanism 8 is arranged between the winding structure 6 and the replacement mechanism 7, the cutting mechanism 8 comprises a fixing plate 81 fixedly connected with the winding structure 6 and the replacement mechanism 7 on the upper surface of the bottom plate 1, a sliding groove 82 is formed in the upper surface of the fixing plate 81, a sliding block 85 is slidably connected to the inside of the sliding groove 82, a cutting blade 86 is fixedly connected to the upper surface of the sliding block 85, a motor No. three 83 is fixedly connected to one side of the outer surface of the fixing plate 81, a threaded rod 84 is fixedly connected to the output end of the motor No. three 83, and the threaded rod 84 penetrates through the sliding block 85 and is in threaded connection with the sliding block 85.

Specifically, as shown in fig. 4, a clamping plate 89 is disposed above the fixing plate 81, two ends of the clamping plate 89 are fixedly connected with a connecting plate 88, and two second telescopic rods 87 are fixedly connected between the lower surfaces of the two connecting plates 88 and the upper surface of the bottom plate 1.

After the wind-up roll 10 moves to the guide slot 79, the second telescopic rod 87 is started to drive the clamping plate 89 to move downwards through the connecting plate 88, so that the thin film 9 is clamped and fixed through the clamping plate 89 and the fixing plate 81, then the third motor 83 is started to drive the threaded rod 84 to rotate, so that the sliding block 85 is driven to move, the cutting blade 86 is driven to move, the thin film 9 is cut out through the movement of the cutting blade 86, the wind-up roll 10 can be conveniently taken out, the thin film 9 is clamped and fixed through the clamping plate 89 and the fixing plate 81, the smoothness of the cutting blade 86 on the cutting of the thin film 9 can be improved, and the practicability of the device is further improved.

Specifically, as shown in fig. 1, a blowing device 3 on the upper surface of the base plate 1 is fixedly connected with an extruding device 2 on one side far away from the winding structure 6, and a feeding hopper 4 is fixedly connected on one side of the upper surface of the extruding device 2.

Specifically, as shown in fig. 2, the guiding structure 5 includes a first mounting frame 51 fixedly connected with the position of the blow molding device 3 on the upper surface of the base plate 1, two mounting rods 52 are fixedly connected with the upper side of the blow molding device 3 of the first mounting frame 51, two squeeze rollers 53 are movably connected between the two mounting rods 52, a U-shaped mounting frame 54 is fixedly connected with the upper side of one squeeze roller 53 on the upper surface of the mounting rod 52, a guiding roller 55 is movably connected with the inner side of the U-shaped mounting frame 54, and two guiding rollers 57 are fixedly connected with one side of the outer surface of the first mounting frame 51, which is close to the guiding roller 55.

Specifically, as shown in fig. 2, the film 9 is disposed on the upper surface of the blowing device 3, the film 9 penetrates between the two squeeze rollers 53 and between the squeeze rollers 53 and the guide roller 55, and the film 9 penetrates through the two guide rollers 57 and is wound into the winding structure 6, and two sides of the film 9 on the lower surface of the two mounting rods 52 are fixedly connected with guide frames 56.

The raw material is first fed into the extrusion device 2 through the feed hopper 4, then the film 9 is produced by the blow moulding device 3, after which the film 9 is extruded between the two extrusion rollers 53, then between the extrusion rollers 53 and the guide rollers 55, the film 9 is guided for movement, after which the film 9 is passed through the two guide rollers 57, the film 9 can be guided into the winding structure 6, whereby the production and guiding of the film 9 is completed, and the movement of the film 9 can be facilitated by the guide frame 56.

Specifically, as shown in fig. 2 and 3, the winding structure 6 includes a second mounting frame 61 fixedly connected with one side of a first mounting frame 51 on the upper surface of the base plate 1, one side of the upper end of the second mounting frame 61, which is close to the first mounting frame 51, is rotationally connected with two clamping rollers 62, one side, which is far away from the clamping rollers 62, of the upper end of the second mounting frame 61 is rotationally connected with a driving roller 64, and one end of the driving roller 64 penetrates through the second mounting frame 61 and is fixedly connected with the output end of a first motor 63.

By passing the film 9 between the two clamping rollers 62, wrinkling of the film 9 can be prevented, then the film 9 passes through the surface of the driving roller 64, and meanwhile, the first motor 63 is started to drive the driving roller 64 to rotate, so that the film 9 is rotated and wound up to the winding roller 10 to be collected.

Working principle: in use, the raw material is firstly fed into the extrusion device 2 through the feed hopper 4, then the film 9 is produced through the blow molding device 3, then the film 9 passes through between the two extrusion rollers 53 to extrude the film 9, then passes through between the extrusion rollers 53 and the guide rollers 55 to guide and move the film 9, then the film 9 passes through the two guide rollers 57 to guide the film 9 into the winding structure 6, the film 9 can be prevented from being wrinkled by passing the film 9 between the two clamping rollers 62, then the film 9 passes through the surface of the driving roller 64, the driving roller 64 is simultaneously started to rotate, the film 9 is rotated to be wound on the winding roller 10 to be collected, after the winding roller 10 winds the film 9 to a certain extent, the first telescopic rod 78 is started to shorten, then through the rotation connection of the second connecting block 77 and the second fixing block 76, the rotation connection of the first connecting block 75 and the first fixing block 74 and the sliding connection of the lantern ring 73 and the rotating rod 72, the rotating rod 72 can be driven to rotate around the fixing rod 71, so as to drive the winding roller 10 to rotate, the winding roller 10 is driven to move onto the guide groove 79, then the second telescopic rod 87 is started to drive the clamping plate 89 to move downwards through the connecting plate 88, so as to clamp and fix the film 9 through the clamping plate 89 and the fixing plate 81, then the third motor 83 is started to drive the threaded rod 84 to rotate, so as to drive the sliding block 85 to drive the cutting blade 86 to move, the film 9 is cut through the movement of the cutting blade 86, the wound winding roller 10 is taken out, the first telescopic rod 78 is stretched, the rotating rod 72 is reset, then the second motor 712 is started to drive the rotating roller 711 to rotate, so as to drive the driving belt 713 to rotate, and then the L-shaped block 714 is driven to move, finally, a new wind-up roll 10 can be placed on the rotating rod 72, thereby completing the replacement of the wind-up roll 10.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The utility model provides a film blowing device, includes bottom plate (1), the last fixed surface of bottom plate (1) is connected with blowing equipment (3), the position of bottom plate (1) upper surface blowing equipment (3) is provided with guide structure (5), one side of guide structure (5) is provided with rolling structure (6), its characterized in that: the winding structure is characterized in that a replacement mechanism (7) is arranged on one side, far away from the guide structure (5), of the winding structure (6), the replacement mechanism (7) comprises fixing rods (71) fixedly connected with one side, far away from the guide structure (5), of the winding structure (6) on the upper surface of the bottom plate (1), two ends of each fixing rod (71) are rotatably connected with rotating rods (72), and winding rollers (10) are movably connected with the upper ends of the two rotating rods (72);

The outer surface of two dwang (72) is equal sliding connection has lantern ring (73), two equal fixedly connected with fixed block (74) in one side of lantern ring (73), two the inside of fixed block (74) is all rotated and is connected with connecting block (75), the last fixed surface pole (71) one side fixedly connected with two No. two fixed blocks (76) of bottom plate (1), two the inside rotation of No. two fixed blocks (76) is connected with connecting block (77) No. two, fixedly connected with telescopic link (78) No. one between connecting block (75) and No. two connecting blocks (77), one side fixedly connected with guide way (79) that bottom plate (1) upper surface fixed rod (71) is close to No. two fixed blocks (76).

2. A film blowing apparatus as claimed in claim 1, wherein: be provided with cutting mechanism (8) between winding structure (6) and change mechanism (7), cutting mechanism (8) include with fixed connection's between bottom plate (1) upper surface winding structure (6) and the change mechanism (7) fixed plate (81), spout (82) have been seted up to the upper surface of fixed plate (81), the inside sliding connection of spout (82) has slider (85), the upper surface fixedly connected with cutting blade (86) of slider (85), surface one side fixedly connected with motor No. three (83) of fixed plate (81), the output fixedly connected with threaded rod (84) of motor No. three (83), and threaded rod (84) run through slider (85) and slider (85) threaded connection.

3. A film blowing apparatus as claimed in claim 2, wherein: the top of fixed plate (81) is provided with splint (89), the both ends of splint (89) are all fixedly connected with connecting plate (88), two fixedly connected with two No. two telescopic links (87) between the lower surface of connecting plate (88) and the upper surface of bottom plate (1).

4. A film blowing apparatus as claimed in claim 1, wherein: one side of blowing equipment (3) on the upper surface of the bottom plate (1) far away from the winding structure (6) is fixedly connected with a material extruding equipment (2), and one side of the upper surface of the material extruding equipment (2) is fixedly connected with a feed hopper (4).

5. A film blowing apparatus as claimed in claim 1, wherein: guide structure (5) include with bottom plate (1) upper surface blowing equipment (3) fixedly connected with mounting bracket (51) No. one, the inside blowing equipment (3) top fixedly connected with two installation poles (52) of mounting bracket (51), two swing joint has two squeeze rolls (53) between installation pole (52), two the top fixedly connected with U-shaped mounting bracket (54) of squeeze roll (53) of the upper surface of installation pole (52), the inside swing joint of U-shaped mounting bracket (54) has guide roll (55), one side fixedly connected with two guide rolls (57) that the surface of mounting bracket (51) is close to guide roll (55).

6. A film blowing apparatus as defined in claim 5, wherein: the upper surface of blowing equipment (3) is provided with film (9), film (9) run through between two squeeze rolls (53) and between guide roll (55), and film (9) pass two guide rolls (57) to receive in rolling up structure (6), two the both sides of lower surface film (9) of installation pole (52) are all fixedly connected with guide frame (56).

7. A film blowing apparatus as defined in claim 6, wherein: the winding structure (6) comprises a second mounting frame (61) fixedly connected with one side of a first mounting frame (51) on the upper surface of the bottom plate (1), two clamping rollers (62) are rotatably connected to one side, close to the first mounting frame (51), of the upper end of the second mounting frame (61), one side, far away from the clamping rollers (62), of the upper end of the second mounting frame (61) is rotatably connected with a driving roller (64), and one end of the driving roller (64) penetrates through the second mounting frame (61) and is fixedly connected with the output end of a first motor (63).

8. A film blowing apparatus as defined in claim 7, wherein: the upper surface both sides fixedly connected with mounting panel (710) of No. two mounting brackets (61), two top fixedly connected with two rotor rolls (711) between mounting panel (710), two one end of one rotor roll (711) runs through mounting panel (710) and the output fixed connection of No. two motors (712) in rotor roll (711), two the both sides swing joint of rotor roll (711) has drive belt (713), two the surface fixedly connected with L shape piece (714) of several evenly distributed of drive belt (713).