CN218615397U - Pneumatic film pressing mechanism of tractor under blown film - Google Patents

Abstract

The utility model discloses a pneumatic press mold mechanism of tractor under blown film, which comprises a fixing plate and i, the fixed plate is two, the spout has all been seted up to the opposite face of fixed plate, be connected with the guide roller between the fixed plate, be located between the fixed plate the guide roller top is provided with presses exhibition mechanism, the guide roller with press and be provided with the fixed case between the exhibition mechanism, fixed case both sides connect in on the fixed plate, fixed case rear side is provided with the exhibition mechanism of drawing, be provided with in the fixed case and be used for driving the reciprocating mechanism of exhibition mechanism activity draws. Has the advantages that: the utility model discloses the pressure exhibition mechanism that sets up reciprocates through a cylinder drive dynamic pressure roller, need not the manual work and lifts up, labour saving and time saving, convenient operation draws exhibition mechanism through setting up in addition, can be drawn the exhibition with the film before pressing the exhibition, avoids the fold to appear in the film, convenient to use, and the practicality is high.

Description

Pneumatic film pressing mechanism of tractor under blown film

Technical Field

The utility model relates to a inflation film manufacturing machine equipment technical field especially relates to a pneumatic press mold mechanism of tractor under blown film.

Background

The film blowing machine heats and melts plastic particles and then blows the plastic particles into films, the film blowing machine is divided into a plurality of types, such as PE, POF, PVC and the like, the working principle of the film blowing machine is that molten raw materials are extruded to form thin-walled pipes, then the thin-walled pipes are blown by compressed air to form thin-walled pipes, the thin-walled pipes are cooled and shaped by air rings, the shaped thin-walled pipes are clamped and flattened through herringbone plates to form a jointed film, finally the film is drawn to a winding roller by a drawing mechanism to be wound to form a film product, a film pressing mechanism is arranged in a lower drawing mechanism of the film blowing machine, the film passes through the space between two compression rollers to be flattened, but the current drawing mechanism needs to manually lift the compression rollers and then pass through the film, time and labor are wasted, workers are easily injured, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic film pressing mechanism of a film blowing lower tractor for solving the problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a pneumatic press mold mechanism of tractor under blown film, includes the fixed plate, the fixed plate is two, the spout has all been seted up to the opposite face of fixed plate, be connected with the guide roller between the fixed plate, be located between the fixed plate the guide roller top is provided with presses exhibition mechanism, the guide roller with press and be provided with fixed case between the exhibition mechanism, fixed case both sides connect in on the fixed plate, fixed case rear side is provided with and draws exhibition mechanism, be provided with in the fixed case and be used for driving draw the reciprocating mechanism of exhibition mechanism activity, fixed incasement portion is provided with and is used for the drive mechanism that reciprocating mechanism removed, drive mechanism with the guide roller is connected.

Preferably, the pressing and unfolding mechanism comprises a dynamic pressure roller, a connecting block, a fixed pressure roller, a mounting seat and a first air cylinder, the dynamic pressure roller and the two sides of the fixed pressure roller are connected with the connecting block, the connecting block on the dynamic pressure roller is connected in the sliding groove in a sliding mode, the connecting block on the fixed pressure roller is connected to the fixing plate through a bolt, the top of the fixing plate is connected with the mounting seat, the top of the mounting seat is connected with the first air cylinder, and an output shaft of the first air cylinder is connected with the connecting block on the dynamic pressure roller.

According to the arrangement, the air cylinder drives the dynamic pressure roller to move up and down, and the dynamic pressure roller and the fixed pressure roller are used for pressing films.

Preferably, stretch out the mechanism and include the fly leaf, decide the double-layered roller, move double-layered roller, movable block, cylinder two, the fly leaf is two, the fly leaf set up in the fixed box rear side, the fly leaf front end stretches into in the fixed box, be connected with between the fly leaf decide the double-layered roller, decide double-layered roller the place ahead and be provided with move the double-layered roller, set up on the fly leaf and have been provided with the mounting groove, the mounting groove in-connection has the cylinder two, the output shaft of cylinder two has the movable block, move the double-layered roller with the movable block is connected.

According to the arrangement, the fixed clamping roller and the movable clamping roller are used for clamping the film, and the film is stretched through the movement of the movable block.

Preferably, reciprocating mechanism includes sector gear, rack, movable rod, slide, spring, sector gear set up in inside the fixed box, both sides all are provided with around the sector gear the rack, the rack is kept away from sector gear's one end is connected with the movable rod, the fly leaf with the movable rod is connected, the movable rod other end is connected with the slide, the slide with fixed incasement wall connection, the slide is kept away from one side of movable rod is connected with the spring, the spring other end connect in on the fixed incasement wall.

So set up, utilize sector gear intermittent type nature drive two the rack to make the movable rod drives stretch out the mechanism and remove.

Preferably, drive mechanism includes straight-teeth gear one, straight-teeth gear two, transmission shaft, bevel gear one, bevel gear two, pivot, straight-teeth gear one connect in the one end of guide roller, the meshing of straight-teeth gear top has straight-teeth gear two, the two in-connection of straight-teeth gear have the transmission shaft, the transmission shaft stretches into in the fixed box, on the transmission shaft and being located fixed incasement in-connection has bevel gear one, the meshing of bevel gear has bevel gear two, two tops of bevel gear are connected with the pivot, the pivot with sector gear connects, the pivot top with fixed incasement roof is connected.

According to the arrangement, the first straight gear is used for driving the second straight gear to rotate, so that the first bevel gear and the second bevel gear rotate, and the rotating shaft drives the sector gear to rotate.

Preferably, drive mechanism includes straight-teeth gear one, straight-teeth gear two, pivot, worm wheel, straight-teeth gear one connect in the one end of guide roller, straight-teeth gear one top meshing has straight-teeth gear two, two in-connection of straight-teeth gear have the worm, the worm stretches into in the fixed case and meshing have the worm wheel, the worm wheel top is connected with the pivot, the pivot with sector gear connects, the pivot top with the roof is connected in the fixed case.

According to the arrangement, the first straight gear is used for driving the second straight gear to rotate, so that the worm drives the worm gear to rotate, and the rotating shaft drives the sector gear to rotate.

Preferably, the fixed nip roll is connected with the movable plate through a bearing, the movable block is connected with the mounting groove of the movable plate in a sliding manner, the second cylinder is connected with the mounting groove of the movable plate through a bolt, an output shaft of the second cylinder is fixedly connected with the movable block, and the movable nip roll is connected with the movable block through a bearing.

So set up, be convenient for right the movable nip roll is adjusted, is convenient for cylinder two carries out the dismouting.

Preferably, the rack is welded with the movable rod, the movable rod is welded with the sliding plate, the movable rod is welded with the movable plate, and the sliding plate is connected with the fixed box in a sliding mode.

Due to the arrangement, the sliding plate can move stably in a reciprocating mode, so that the movable rod drives the movable plate to move stably.

Preferably, straight-teeth gear one with guide roller key-type connection, straight-teeth gear two with the transmission shaft key-type connection, the transmission shaft with fixed case passes through the bearing and connects, bevel gear one with the transmission shaft key-type connection, bevel gear two with the rotation shaft key-type connection, the pivot with the sector gear key-type connection, the pivot with fixed case passes through the bearing and connects.

So set up, guarantee that power transmission is steady.

Preferably, straight-teeth gear one with guide roller key-type connection, straight-teeth gear two with worm key-type connection, the worm with fixed case passes through the bearing and connects, the worm wheel with the pivot key-type connection, the pivot with sector gear key-type connection, the pivot with fixed case passes through the bearing and connects.

So set up, guarantee that power transmission is steady.

The beneficial effects are that: the utility model discloses the pressure exhibition mechanism that sets up reciprocates through a cylinder drive dynamic pressure roller, need not the manual work and lifts up, labour saving and time saving, convenient operation draws exhibition mechanism through setting up in addition, can be drawn the exhibition with the film before pressing the exhibition, avoids the fold to appear in the film, convenient to use, and the practicality is high.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a pneumatic film pressing mechanism of a film blowing lower tractor according to the present invention;

fig. 2 is a front view of a pneumatic film pressing mechanism of a film blowing lower tractor according to the present invention;

fig. 3 is a left side view of the pneumatic film pressing mechanism of the film blowing lower tractor according to the present invention;

FIG. 4 is an enlarged view of the structure at the position A of the pneumatic film pressing mechanism of the film blowing lower tractor according to the present invention;

fig. 5 is a perspective view of a stretching mechanism of a pneumatic film pressing mechanism of a film blowing lower tractor according to the present invention;

fig. 6 is a top view of a reciprocating mechanism of a pneumatic film pressing mechanism of a film blowing lower tractor according to the present invention;

FIG. 7 is a front view of a transmission mechanism of embodiment 1 of a pneumatic film pressing mechanism of a film blowing lower tractor according to the present invention;

fig. 8 is a front view of the transmission mechanism of embodiment 2 of the pneumatic film pressing mechanism of the film blowing lower tractor according to the present invention.

The reference numerals are illustrated below: 1. a fixing plate; 101. a chute; 2. a pressing and unfolding mechanism; 201. a movable pressure roller; 202. connecting blocks; 203. a compression roller is fixed; 204. a mounting seat; 205. a first cylinder; 3. a material guide roller; 4. a fixed box; 5. a transmission mechanism; 501. a first straight gear; 502. a second straight gear; 503. a drive shaft; 504. a first bevel gear; 505. a second bevel gear; 506. a rotating shaft; 507. a worm; 508. a worm gear; 6. a stretching mechanism; 601. a movable plate; 602. a fixed clamping roller; 603. a movable clamping roller; 604. a movable block; 605. a second air cylinder; 7. a reciprocating mechanism; 701. a sector gear; 702. a rack; 703. a movable rod; 704. a slide plate; 705. a spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-7, a pneumatic film pressing mechanism of a film blowing lower tractor comprises a fixing plate 1, two fixing plates 1 are provided, chutes 101 are provided on opposite surfaces of the fixing plates 1, a material guide roller 3 is connected between the fixing plates 1, a stretching mechanism 2 is provided between the fixing plates 1 and above the material guide roller 3, a fixing box 4 is provided between the material guide roller 3 and the stretching mechanism 2, two sides of the fixing box 4 are connected to the fixing plates 1, a stretching mechanism 6 is provided at the rear side of the fixing box 4, a reciprocating mechanism 7 for driving the stretching mechanism 6 to move is provided in the fixing box 4, a transmission mechanism 5 for driving the reciprocating mechanism 7 to move is provided in the fixing box 4, and the transmission mechanism 5 is connected with the material guide roller 3.

Preferably, the pressing and spreading mechanism 2 comprises a movable pressure roller 201, a connecting block 202, a fixed pressure roller 203, a mounting seat 204 and a first air cylinder 205, the connecting blocks 202 are connected to both sides of the movable pressure roller 201 and the fixed pressure roller 203, the connecting block 202 on the movable pressure roller 201 is slidably connected in the chute 101, the connecting block 202 on the fixed pressure roller 203 is connected to the fixed plate 1 through bolts, the mounting seat 204 is connected to the top of the fixed plate 1, the first air cylinder 205 is connected to the top of the mounting seat 204, the output shaft of the first air cylinder 205 is connected to the connecting block 202 on the movable pressure roller 201, the spreading mechanism 6 comprises a movable plate 601, a fixed nip roller 602, a movable nip roller 603, a movable block 604 and a second air cylinder 605, two movable plates 601 are arranged, the movable plate 601 is arranged at the rear side of the fixed box 4, the front end of the movable plate 601 extends into the fixed box 4, the fixed nip roller 602 is connected between the movable nip rollers 602, the movable nip roller 603 is arranged in front of the fixed nip roller 602, a mounting groove is provided with the second air cylinder 605, the output shaft of the second cylinder 605 is connected with a movable block 604, the movable nip roller 603 is connected with the movable block 604, the reciprocating mechanism 7 comprises a sector gear 701, a rack 702, a movable rod 703, a sliding plate 704 and a spring 705, the sector gear 701 is arranged in the fixed box 4, the racks 702 are arranged on the front side and the rear side of the sector gear 701, one end of the rack 702 far away from the sector gear 701 is connected with the movable rod 703, the movable plate 601 is connected with the movable rod 703, the other end of the movable rod 703 is connected with the sliding plate 704, the sliding plate 704 is connected with the inner wall of the fixed box 4, one side of the sliding plate 704 far away from the movable rod 703 is connected with the spring 705, the other end of the spring 705 is connected with the inner wall of the fixed box 4, the transmission mechanism 5 comprises a first straight gear 501, a second straight gear 502, a transmission shaft 503, a first bevel gear 504, a second bevel gear 505 and a rotating shaft 506, the first straight gear 501 is connected with one end of the guide roller 3, the top of the first straight gear 501 is engaged with the second straight gear 502, the transmission shaft 503 is connected in the second spur gear 502, the transmission shaft 503 extends into the fixed box 4, the first bevel gear 504 is connected on the transmission shaft 503 and positioned in the fixed box 4, the second bevel gear 505 is meshed with the first bevel gear 504, the rotating shaft 506 is connected at the top of the second bevel gear 505, the rotating shaft 506 is connected with the sector gear 701, the top of the rotating shaft 506 is connected with the inner top wall of the fixed box 4, the fixed nip roller 602 is connected with the movable plate 601 through a bearing, the movable block 604 is connected with the mounting groove of the movable plate 601 in a sliding manner, the second cylinder 605 is connected with the mounting groove of the movable plate 601 through a bolt, the output shaft of the second cylinder 605 is fixedly connected with the movable block 604, the movable nip roller 603 is connected with the movable block 604 through a bearing, the rack 702 is connected with the movable rod 703, the movable rod 703 is welded with the sliding plate 704, the movable rod is welded with the movable plate 601, the sliding plate 704 is connected with the fixed box 4 in a sliding manner, the first spur gear 501 is connected with the guide roller 3, the second spur gear 502 is connected with the transmission shaft 503 in a key, the fixed box 503 is connected with the fixed box 4 through a bearing, the first bevel gear 504 is connected with the transmission shaft 503, the transmission shaft 505, the bevel gear 503, the second bevel gear 505 is connected with the rotating shaft 506, the sector gear 701 and the fixed box 4 are connected with the sector gear 701, and the sector gear 701.

Example 2

As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the transmission mechanism 5 comprises a first straight gear 501, a second straight gear 502, a rotating shaft 506, a worm 507 and a worm wheel 508, the first straight gear 501 is connected to one end of the material guide roller 3, the second straight gear 502 is meshed with the top of the first straight gear 501, the worm 507 is connected in the second straight gear 502, the worm 507 stretches into the fixed box 4 and is meshed with the worm wheel 508, the rotating shaft 506 is connected to the top of the worm wheel 508, the rotating shaft 506 is connected with the sector gear 701, the top of the rotating shaft 506 is connected with the inner top wall of the fixed box 4, the first straight gear 501 is connected with the material guide roller 3 in a key mode, the second straight gear 502 is connected with the worm 507 in a key mode, the worm 507 is connected with the fixed box 4 through a bearing, the worm wheel 508 is connected with the rotating shaft 506 in a key mode, the rotating shaft 506 is connected with the sector gear 701, and the rotating shaft 506 is connected with the fixed box 4 through a bearing.

The working principle is as follows: when the film guide device is used, a film bypasses below the material guide roller 3, then passes through between the fixed nip roller 602 and the movable nip roller 603, the movable block 604 is driven to move through the second air cylinder 605, the movable block 604 drives the movable nip roller 603 to move, the movable nip roller 603 and the fixed nip roller 602 clamp two sides of the film, finally the movable press roller 201 and the fixed press roller 203 pass through, the movable press roller 201 is driven to move downwards through the first air cylinder 205, the movable press roller 201 and the fixed press roller 203 press the film tightly, so that the film is pressed and spread, when the material guide roller 3 guides the material, the material guide roller 3 drives the first straight gear 501 to rotate, the first straight gear 501 drives the second straight gear 502 to rotate, the second straight gear 502 drives the first bevel gear 504 to rotate through the transmission shaft 503, the first bevel gear 504 drives the second bevel gear 505 to rotate, the second bevel gear 505 drives the sector gear 701 to rotate through the rotating shaft 506, or the second straight gear 502 drives the worm 507 to rotate, the worm 507 drives the worm wheel 508 to rotate, the worm wheel 508 drives the sector gear 701 to rotate through the rotating shaft 506, the sector gear 701 intermittently drives the two racks 702 to move towards two sides, when one rack 702 moves towards one side of the fixed box 4, the movable rod 703 drives the movable plate 601 to move, the movable plate 601 drives the movable clamping roller 603 and the fixed clamping roller 602 to move together, so that the film is stretched once, after the sector gear 701 is disengaged from one rack 702, the second air cylinder 605 drives the movable block 604 to recover the initial position, the movable clamping roller 603 and the fixed clamping roller 602 do not clamp the film any more, meanwhile, the movable rod 703 drives the movable plate 601 to recover the initial position under the action of the spring 705, then the sector gear 701 is meshed with the other rack 702, so that the other side of the film is stretched once again, and the stretching is repeated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a pneumatic press mold mechanism of tractor under blown film, includes fixed plate (1), fixed plate (1) is two, spout (101) have all been seted up to the opposite face of fixed plate (1), be connected with guide roller (3) between fixed plate (1), its characterized in that: be located between fixed plate (1) guide roller (3) top is provided with presses exhibition mechanism (2), guide roller (3) with press to be provided with between exhibition mechanism (2) fixed case (4), fixed case (4) both sides connect in on fixed plate (1), fixed case (4) rear side is provided with draws exhibition mechanism (6), be provided with in fixed case (4) and be used for driving draw reciprocating mechanism (7) that exhibition mechanism (6) were moved, fixed case (4) inside is provided with and is used for the drive reciprocating mechanism (5) that reciprocating mechanism (7) removed, drive mechanism (5) with guide roller (3) are connected.

2. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 1, characterized in that: the pressing and spreading mechanism (2) comprises a dynamic pressure roller (201), a connecting block (202), a fixed pressure roller (203), a mounting seat (204) and a first cylinder (205), wherein the dynamic pressure roller (201) and the fixed pressure roller (203) are connected with the connecting block (202), the connecting block (202) on the dynamic pressure roller (201) is connected to the sliding groove (101) in a sliding mode, the connecting block (202) on the fixed pressure roller (203) is connected to the fixing plate (1) through bolts, the mounting seat (204) is connected to the top of the fixing plate (1), the first cylinder (205) is connected to the top of the mounting seat (204), and an output shaft of the first cylinder (205) is connected to the connecting block (202) on the dynamic pressure roller (201).

3. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 1, characterized in that: the stretching mechanism (6) comprises two movable plates (601), two fixed clamping rollers (602), two movable clamping rollers (603), two movable blocks (604) and two cylinders (605), wherein the movable plates (601) are arranged on the rear side of the fixed box (4), the front ends of the movable plates (601) extend into the fixed box (4), the fixed clamping rollers (602) are connected between the movable plates (601), the movable clamping rollers (603) are arranged in front of the fixed clamping rollers (602), mounting grooves are formed in the movable plates (601), the cylinders (605) are connected in the mounting grooves, output shafts of the cylinders (605) are connected with the movable blocks (604), and the movable clamping rollers (603) are connected with the movable blocks (604).

4. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 3, characterized in that: reciprocating mechanism (7) include sector gear (701), rack (702), movable rod (703), slide (704), spring (705), sector gear (701) set up in inside fixed case (4), both sides all are provided with around sector gear (701) rack (702), rack (702) are kept away from the one end of sector gear (701) is connected with movable rod (703), movable plate (601) with movable rod (703) are connected, movable rod (703) other end is connected with slide (704), slide (704) with fixed case (4) inner wall connection, slide (704) are kept away from one side of movable rod (703) is connected with spring (705), the spring (705) other end connect in on fixed case (4) inner wall.

5. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 4, characterized in that: drive mechanism (5) include straight-teeth gear (501), straight-teeth gear two (502), transmission shaft (503), bevel gear (504), bevel gear two (505), pivot (506), straight-teeth gear (501) connect in the one end of guide roller (3), straight-teeth gear (501) top meshing has straight-teeth gear two (502), straight-teeth gear two (502) in-connection have transmission shaft (503), transmission shaft (503) stretch into in fixed case (4), on transmission shaft (503) and lie in fixed case (4) in-connection have bevel gear (504), bevel gear (504) meshing has bevel gear two (505), bevel gear two (505) top is connected with pivot (506), pivot (506) with sector gear (701) are connected, pivot (506) top with fixed case (4) interior roof is connected.

6. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 4, characterized in that: drive mechanism (5) include straight-teeth gear (501), straight-teeth gear two (502), pivot (506), worm (507), worm wheel (508), straight-teeth gear (501) connect in the one end of guide roller (3), straight-teeth gear (501) top meshing has straight-teeth gear two (502), straight-teeth gear two (502) in-connection have worm (507), worm (507) stretch into in fixed case (4) and meshing have worm wheel (508), worm wheel (508) top is connected with pivot (506), pivot (506) with sector gear (701) are connected, pivot (506) top with roof is connected in fixed case (4).

7. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 3, characterized in that: the fixed clamping roller (602) is connected with the movable plate (601) through a bearing, the movable block (604) is connected with the mounting groove of the movable plate (601) in a sliding mode, the cylinder II (605) is connected with the mounting groove of the movable plate (601) through a bolt, the output shaft of the cylinder II (605) is fixedly connected with the movable block (604), and the movable clamping roller (603) is connected with the movable block (604) through a bearing.

8. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 4, characterized in that: the rack (702) is welded with the movable rod (703), the movable rod (703) is welded with the sliding plate (704), the movable rod (703) is welded with the movable plate (601), and the sliding plate (704) is connected with the fixed box (4) in a sliding mode.

9. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 5, characterized in that: straight-toothed gear one (501) with guide roller (3) key-type connection, straight-toothed gear two (502) with transmission shaft (503) key-type connection, transmission shaft (503) with fixed case (4) are connected through the bearing, bevel gear one (504) with transmission shaft (503) key-type connection, bevel gear two (505) with pivot (506) key-type connection, pivot (506) with sector gear (701) key-type connection, pivot (506) with fixed case (4) are connected through the bearing.

10. The pneumatic film pressing mechanism of the film blowing lower tractor according to claim 6, characterized in that: straight-teeth gear one (501) with guide roller (3) key-type connection, straight-teeth gear two (502) with worm (507) key-type connection, worm (507) with fixed case (4) are connected through the bearing, worm wheel (508) with pivot (506) key-type connection, pivot (506) with sector gear (701) key-type connection, pivot (506) with fixed case (4) are connected through the bearing.

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