CN209738275U - Plastic inflation film manufacturing machine - Google Patents

Abstract

The utility model relates to a plastic production processing equipment technical field, more specifically say, it relates to a plastic inflation film manufacturing machine, and its technical scheme main points are: including the inflation film manufacturing machine body, be equipped with on the inflation film manufacturing machine body and be used for blowing out the film and refrigerated membrane mouth, membrane mouth top is equipped with the frame, be equipped with compression roller and propeller strut in the frame, the propeller strut is articulated by two splint one end and is "people" font setting and forms, two relative lateral walls of two splint all are provided with the mounting bar, two relative both sides walls of mounting bar slide and are connected with first slider and second slider, it is provided with first screw rod to rotate on the mounting bar, first slider forms forward thread transmission with first screw rod, the second slider forms reverse thread transmission with first screw rod, equal fixedly connected with elasticity strip between two first sliders and two second sliders. The man-like shelf of the film blowing machine can transversely position the film, and the condition that the film deviates left and right from the included angle gap formed between the two clamping plates in the furling process is reduced.

Description

Plastic inflation film manufacturing machine

Technical Field

The utility model relates to a plastic processing equipment technical field, more specifically say, it relates to a plastic inflation film manufacturing machine.

Background

The film blowing machine is a device for heating and melting plastic particles and then blowing the plastic particles into a film, and the working process of the film blowing machine is mainly that the plastic particles are firstly melted, the melted plastic is filtered by a machine head to remove impurities, comes out from a die head die orifice, is cooled by an air ring, is blown, passes through a herringbone frame, a traction roller and is coiled, and the process from the plastic particles to the curling into the film is realized.

The Chinese patent publication No. CN205685726U discloses a herringbone frame on a plastic film blowing machine, which comprises a rack and a film blowing machine, wherein the film blowing machine is arranged at the bottom of the rack, and the herringbone frame is arranged on the rack; the thin film can pass through the propeller strut in the processing process, the propeller strut mainly has the functions of stabilizing the thin film and gradually folding the cylindrical thin film into a plane shape, the thin film cooled by the wind ring has a cylindrical structure, and the cylindrical thin film passes through the propeller strut.

Because the structure of the propeller strut gradually narrows from the lower end to the upper end, the film can be gradually folded into a plane shape from a cylindrical structure, and the plane-shaped film is transmitted out through the traction roller and finally wound. However, the film is liable to move transversely to the gaps on two sides of the angle formed by the herringbone frame in the furling process, which results in poor furling effect of the film, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

to the not enough of prior art existence, utility model's aim at provides a plastic inflation film manufacturing machine, this inflation film manufacturing machine's propeller strut can carry out transverse orientation to the film, reduces the film and controls the condition of skew to the contained angle clearance of the formation between two splint at the in-process that draws in.

In order to realize the purpose, the utility model provides the following technical scheme: a plastic film blowing machine comprises a film blowing machine body, wherein a film opening used for blowing and cooling a film is formed in the film blowing machine body, a machine frame is arranged above the film opening, a press roller used for pressing the film flat and a herringbone frame used for guiding the film to be pressed flat by the press roller are arranged on the machine frame, the herringbone frame is formed by hinging one end of two clamping plates in a herringbone mode, and the two clamping plates are symmetrically arranged with the central axis of the film opening; two the relative lateral wall of splint all is provided with the mounting bar, and the mounting bar is the level setting, two the both sides wall that the mounting bar is relative all corresponds to slide along the length direction of mounting bar and is connected with first slider and second slider, it is provided with first screw rod to rotate on the mounting bar, first slider forms forward thread drive with first screw rod, the second slider forms reverse thread drive, two with first screw rod first slider and two equal fixedly connected with is used for the elastic strip of location film lateral position between the second slider, the elastic strip is the level setting.

Adopt above-mentioned technical scheme, when first screw rod rotated, first slider and second slider on two first screw rods all were close to each other or keep away from each other with the speed of equidimension, utilized the elastic action of elasticity strip simultaneously, and then made two elasticity strips be close to each other or keep away from each other, and then carried out transverse orientation to the film, reduced the film and squinted about the contained angle clearance of the formation between two splint at the in-process that draws in, and then improved the stability of inflation film manufacturing machine during operation.

Utility model further sets up, the lateral wall of mounting bar is provided with the confession along its length direction the spout of first slider, second slider and first screw rod holding, the one end of first screw rod stretches out in the spout.

By adopting the technical scheme, the sliding groove is used for accommodating the first sliding block, the second sliding block and the first screw rod, so that the smoothness of the whole device is reduced, and the interference of the first sliding block, the second sliding block and the first screw rod to the film folding process is reduced.

Utility model further sets up, first screw rod stretches out in the fixed piece that revolves that is provided with of one end of spout.

By adopting the technical scheme, the arrangement of the rotary block facilitates the worker to rotate the first screw rod for adjusting.

The utility model is further provided, the surface of one side of the mounting bar, which is far away from the elastic bar, is provided with an inserting column, and the side wall of the clamping plate is provided with a slot for inserting the inserting column; the side wall of the clamping plate is provided with a through hole communicated with the slot, the side wall of the inserting column is provided with a fixing hole communicated with the through hole, and a fixing rod used for fixing the inserting column is inserted into the through hole and the fixing hole together.

By adopting the technical scheme, when the mounting bar needs to be mounted, the inserting columns are aligned to the slots, and then the fixing rods are inserted into the through holes and the fixing holes, so that the inserting columns can be prevented from moving, the mounting bar is fixed, and the effect of conveniently fixing the mounting bar is achieved; when the mounting bar needs to be disassembled, the fixing rod is pulled to be separated from the fixing hole, so that the mounting bar can be released from being fixed, and the structure is simple and practical.

Utility model further sets up, the through-hole pore wall is provided with the ring channel, be connected with the elastic component that is used for preventing that the dead lever from breaking away from the fixed orifices between the cell wall of ring channel and the dead lever lateral wall.

By adopting the technical scheme, the fixing rod is limited by the elastic piece, so that the fixing rod cannot be separated from the through hole, and the stability of the fixing rod is improved.

Utility model further sets up, the elastic component is the spring.

By adopting the technical scheme, the spring is used as a conventional elastic piece, the structure is simple and practical, and the elastic force of the spring is utilized to ensure that the fixed rod can be stably inserted into the through hole.

Utility model further sets up, the dead lever stretches out the fixed handle that is provided with of one end of splint side.

By adopting the technical scheme, the handle is convenient for workers to pull the fixing rod.

Utility model further sets up, the side of splint is rotated and is provided with the stopper that can be close to splint looks butt with the handle and be used for making the dead lever break away from the fixed orifices.

By adopting the technical scheme, when the limiting block rotates to a position between the side ends of the handle and the clamping plate, the fixing rod can be prevented from extending into the fixing hole.

to sum up, the utility model mainly has the following beneficial effects: when first screw rod rotated, first slider and second slider on two first screw rods all were close to each other or keep away from each other with the speed of equidimension, utilized the elastic action of elasticity strip simultaneously, and then made two elasticity strips be close to each other or keep away from each other, and then carried out transverse orientation to the film, reduced the film and squinted about the contained angle clearance of drawing in the in-process formation between to two splint, and then improved the stability of inflation film manufacturing machine during operation.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of the embodiment of the present invention, wherein the machine frame is connected with the A-bracket;

FIG. 3 is a schematic view showing the assembly relationship between the mounting bar and the clamping plate in the embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of an embodiment of the invention with the mounting bar attached to the clamping plate;

Fig. 5 is an enlarged view of a portion a in fig. 4.

Reference numerals: 1. a screw pump; 2. a funnel; 3. a blower; 4. a membrane port; 5. a frame; 51. a cross beam; 6. a splint; 7. a compression roller; 8. a winding frame; 9. a conveying roller; 10. a material rolling roller; 11. a connecting rod; 12. a sliding sleeve; 13. a second screw; 14. a turntable; 15. mounting a bar; 161. a first slider; 162. a second slider; 17. a first screw; 18. an elastic strip; 19. a chute; 20. inserting a column; 21. a slot; 22. fixing the rod; 23. a through hole; 24. a fixing hole; 25. an annular groove; 26. a spring; 27. a handle; 28. a limiting block; 29. and (6) rotating the block.

Detailed Description

The technical solution of the utility model will be described in detail with reference to the accompanying drawings.

The utility model provides a plastic inflation film manufacturing machine, refers to figure 1, including the inflation film manufacturing machine body, the inflation film manufacturing machine body includes screw pump 1, 2 air-blowers of funnel 3 and heating pipe (not mark in the picture), is provided with on the inflation film manufacturing machine body to be used for blowing out the film and refrigerated membrane mouth 4, and 3 intercommunications of air-blower are used for providing sufficient wind-force in membrane mouth 4. When the plastic film blowing device is used, granular plastic is filled into the hopper 2, the granules are continuously conveyed to the end of the film opening 4 through the screw pump 1, the heating pipe is wrapped outside the screw pump 1, the plastic is melted along with continuous conveying of the plastic granules until the plastic moves to the film opening 4, the plastic reaches a proper temperature, the plastic is blown into a cylindrical film after coming out of the film opening 4, and the film reaches a specified thickness and size along with continuous rising of the film.

Meanwhile, a rack 5 is fixedly arranged right above the film opening 4, a herringbone frame is fixedly arranged on the rack 5, the formed cylindrical film gradually passes through the herringbone frame, the film is gradually flattened due to the fact that the opening of the lower end of the herringbone frame is large and the opening of the upper end of the herringbone frame is small, a compression roller 7 is fixedly arranged on the rack 5, the compression roller 7 is located on one side of the herringbone frame, and the flattened film is conveyed to one side for rolling after being completely flattened through the compression roller 7.

In addition, a winding frame 8 is arranged on one side of the machine frame 5, a material rolling roller 10 and a plurality of conveying rollers 9 are arranged on the winding frame 8 in a rotating mode, the flattened film is guided by the plurality of conveying rollers 9 after being flattened by the pressing roller 7, and then the film is guided to the material rolling roller 10 to be wound and collected.

Referring to fig. 1 and 2, in particular, the herringbone bracket is formed by hinging one ends of two frame plate-shaped clamping plates 6 in a herringbone manner, and the two clamping plates 6 are symmetrically arranged around the central axis of the film opening 4. Meanwhile, the free ends of the two sides of the two clamping plates 6 are respectively hinged with a connecting rod 11, the other ends of the two connecting rods 11 are hinged on the same sliding sleeve 12, and the two connecting rods 11 are symmetrically arranged by the central axis of the film opening 4; in addition, a cross beam 51 is welded on the frame 5 along the horizontal direction, the cross beam 51 rotatably carries a second screw 13 along the vertical direction, the second screw 13 is in threaded connection and penetrates through the upper surface and the lower surface of the sliding sleeve 12, and a rotating disc 14 is welded at the bottom of the second screw 13. Through rotating the rotary table 14, the second screw 13 rotates, so that the sliding sleeve 12 can move up and down, and the two connecting rods 11 rotate to adjust the angle between the two clamping plates 6.

Referring to fig. 2 and 3, two opposite side walls of the two clamping plates 6 are respectively provided with a strip-shaped mounting strip 15, the mounting strips 15 are horizontally arranged, the two opposite side walls of the two mounting strips 15 are respectively connected with a first cuboid slider 161 and a second cuboid slider 162 in a sliding manner along the length direction of the mounting strips 15, the mounting strips 15 are rotatably connected with a first screw rod 17, the first slider 161 and the first screw rod 17 form forward thread transmission, and the second slider 162 and the first screw rod 17 form reverse thread transmission; an elastic strip 18 used for positioning the transverse position of the film is fixedly connected between the two first sliding blocks 161 and the two second sliding blocks 162, and the elastic strip 18 is horizontally arranged. When first screw 17 rotates, first slider 161 and second slider 162 on two first screws 17 all are close to each other or keep away from each other with the speed of equidimension, utilize the elastic action of elasticity strip 18 simultaneously, and then make two elasticity strips 18 be close to each other or keep away from each other, and then carry out transverse orientation to the film, reduce the film and squint about the contained angle clearance to the formation between two splint 6 at the in-process that draws in, and then improved the stability of inflation film manufacturing machine during operation.

Referring to fig. 3 and 4, a rotary block 29 is fixedly arranged at one end of the first screw 17, which extends out of the sliding groove 19, so that a worker can conveniently rotate the first screw 17 to perform adjustment. Further, the side wall of the mounting bar 15 is provided with a sliding groove 19 along the length direction thereof, the sliding groove 19 being used for accommodating the first sliding block 161, the second sliding block 162 and the first screw 17, and one end of the first screw 17 extends out of the sliding groove 19. The sliding groove 19 is used for accommodating the first sliding block 161, the second sliding block 162 and the first screw 17, so that the flatness of the whole device is ensured, and the interference of the first sliding block 161, the second sliding block 162 and the first screw 17 to the film folding process is reduced.

Referring to fig. 3 and 5, two inserting columns 20 are welded on the surface of one side of the mounting bar 15, which is away from the elastic bar 18, the two inserting columns 20 are respectively close to two side ends of the mounting bar 15, and a slot 21 for inserting the inserting column 20 is formed in the side wall of the clamping plate 6; meanwhile, the side wall of the clamping plate 6 is provided with a through hole 23 communicated with the slot 21, the outer side wall of the inserting column 20 is provided with a fixing hole 24 communicated with the through hole 23, and a cylindrical fixing rod 22 for fixing the inserting column 20 is jointly inserted and matched in the through hole 23 and the fixing hole 24. When the mounting bar 15 needs to be mounted, the inserting columns 20 are aligned to the slots 21, and then the fixing rods 22 are inserted into the through holes 23 and the fixing holes 24, so that the inserting columns 20 can be prevented from moving, the mounting bar 15 is fixed, and the effect of conveniently fixing the mounting bar 15 is achieved; when the mounting bar 15 needs to be detached, the fixing rod 22 is pulled to separate the fixing rod 22 from the fixing hole 24, so that the mounting bar 15 can be removed from being fixed, and the structure is simple and practical.

Furthermore, an annular groove 25 is axially arranged on the wall of the through hole 23, and an elastic member for preventing the fixing rod 22 from separating from the fixing hole 24 is connected between the wall of the annular groove 25 and the side wall of the fixing rod 22. Since the fixing rod 22 is restricted by the elastic member, the fixing rod 22 is not separated from the through hole 23, and the stability of the fixing rod 22 is improved.

In the present embodiment, the elastic member may preferably be a spring 26, the spring 26 is sleeved on the fixing rod 22 and is received in the annular groove 25, the spring 26 is a conventional elastic member, the structure is simple and practical, and the fixing rod 22 can be stably inserted into the through hole 23 by using the elastic force of the spring 26.

In addition, a handle 27 is welded to one end of the fixing rod 22 extending out of the side end of the clamping plate 6. The side end of the clamping plate 6 is rotatably connected with a limiting block 28 which can abut against the handle 27 close to the clamping plate 6 to enable the fixing rod 22 to be separated from the fixing hole 24, and when the limiting block 28 rotates to a position between the handle 27 and the side end of the clamping plate 6, the fixing rod 22 can be prevented from extending into the fixing hole 24.

the general working principle is as follows: before the blown film work is carried out to needs, rotate first screw rod 17, first slider 161 and second slider 162 on two first screw rods 17 all are close to each other or keep away from each other with the speed of equidimension, make two elasticity strips 18 be close to each other or keep away from each other, and then carry out transverse orientation to the film, adjust suitable position when elasticity strip 18 and can carry out the blown film work, and then reduce the film and squint about the contained angle clearance of the in-process formation between two splint 6 of drawing in, and then improved the stability of blown film machine during operation.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as needed after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a plastic inflation film manufacturing machine, includes the inflation film manufacturing machine body, be provided with on the inflation film manufacturing machine body and be used for blowing out the film and refrigerated membrane mouth (4), membrane mouth (4) top is provided with frame (5), be provided with in frame (5) and be used for the compression roller (7) that flatten the film and be used for guiding the film by the man-like shelf that compression roller (7) flatten, characterized by: the herringbone frame is formed by hinging one ends of two clamping plates (6) in a herringbone manner, and the two clamping plates (6) are symmetrically arranged with the central axis of the film opening (4); two splint (6) relative both sides wall all is provided with mounting bar (15), and mounting bar (15) are the level and set up, two the length direction of mounting bar (15) is all corresponded to slide along the both sides wall relative of mounting bar (15) is connected with first slider (161) and second slider (162), it is provided with first screw rod (17) to rotate on mounting bar (15), first slider (161) forms forward screw thread transmission with first screw rod (17), second slider (162) forms reverse screw thread transmission with first screw rod (17), two first slider (161) and two equal fixedly connected with is used for location film transverse position's elasticity strip (18) between second slider (162), elasticity strip (18) are the level and set up.

2. The plastic film blowing machine of claim 1, which is characterized in that: the side wall of the mounting bar (15) is provided with a sliding groove (19) along the length direction, the sliding groove is used for accommodating the first sliding block (161), the second sliding block (162) and the first screw (17), and one end of the first screw (17) extends out of the sliding groove (19).

3. The plastic film blowing machine of claim 2, which is characterized in that: one end of the first screw rod (17) extending out of the sliding groove (19) is fixedly provided with a rotary block (29).

4. The plastic film blowing machine of claim 1, which is characterized in that: the surface of one side, away from the elastic strip (18), of the mounting strip (15) is provided with an inserting column (20), and the side wall of the clamping plate (6) is provided with a slot (21) for the inserting column (20) to insert; the lateral wall of splint (6) is provided with through-hole (23) with slot (21) intercommunication, insert post (20) lateral wall and be provided with communicating fixed orifices (24) of through-hole (23), be equipped with dead lever (22) that are used for the fixed post (20) of inserting in through-hole (23) and fixed orifices (24) jointly.

5. The plastic film blowing machine of claim 4, which is characterized in that: the wall of the through hole (23) is provided with an annular groove (25), and an elastic piece for preventing the fixing rod (22) from being separated from the fixing hole (24) is connected between the wall of the annular groove (25) and the side wall of the fixing rod (22).

6. The plastic film blowing machine of claim 5, which is characterized in that: the elastic element is a spring (26).

7. The plastic film blowing machine of claim 6, which is characterized in that: a handle (27) is fixedly arranged at one end of the fixing rod (22) extending out of the side end of the clamping plate (6).

8. The plastic film blowing machine of claim 7, wherein: the side end of the clamping plate (6) is rotatably provided with a limiting block (28) which can be abutted against the handle (27) close to the clamping plate (6) so as to separate the fixing rod (22) from the fixing hole (24).