CN217073342U

CN217073342U - Forming mechanism for polyethylene film

Info

Publication number: CN217073342U
Application number: CN202220577837.2U
Authority: CN
Inventors: 王震; 岳彩岭; 尹强
Original assignee: Shandong Zhongsu Taifu Technology Co ltd
Current assignee: Shandong Zhongsu Taifu Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-29
Anticipated expiration: 2032-03-17

Abstract

The utility model discloses a forming mechanism for polyethylene film, including first curb plate and second curb plate, first curb plate and second curb plate top and the equal fixedly connected with rectangular frame in bottom, the motor rotates under the inboard bottom fixedly connected with of first curb plate, two lower fixed blocks of the inboard bottom fixedly connected with of first curb plate, two rotate down between the fixed block and be connected with down the threaded rod, threaded rod bottom and lower motor output shaft top fixed connection down, threaded rod outside sliding connection has lower thread slider down. The utility model discloses in through the lift of lower forming ring and last forming ring, then change the height of blown film forming tube and the position of a forming tube, make the film after the blowing carry out shaping work in suitable position, avoid appearing irregular shape to the fold appears in the film when leading to tensile, only need unload the screw, just can pull down forming ring and last forming ring down, convenient washing is worth wideling popularize.

Description

Forming mechanism for polyethylene film

Technical Field

The utility model relates to a polyethylene film production technical field especially relates to a forming mechanism for polyethylene film.

Background

Polyethylene plastic films have been widely used in the fields of food, medicine, chemical industry, etc.; the polyethylene plastic film is formed by extruding and plasticizing polyethylene plastic particles, extruding a tube blank from a head die, blowing and air-cooling, then entering a traction roller through a splint, and then bending and rolling through a plurality of guide rollers; and then cutting the wound film to a required size by using a splitting machine, rewinding the cut film, and finally packaging for use.

In the working process of blow molding equipment, the existing forming mechanism easily leads to the polyethylene film to form irregular shapes, so that the polyethylene film easily forms folds when stretching, general forming mechanisms are fixed, the height of a forming cylinder cannot be adjusted at will, the blown film cannot find a proper forming position, the forming mechanism is inconvenient to detach and difficult to clean, and the practicability of the forming mechanism is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a forming mechanism for a polyethylene film.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a forming mechanism for polyethylene films comprises a first side plate and a second side plate, wherein the tops and the bottoms of the first side plate and the second side plate are fixedly connected with rectangular frames, the bottom of the inner side of the first side plate is fixedly connected with a lower rotating motor, the bottom of the inner side of the first side plate is fixedly connected with two lower fixing blocks, a lower threaded rod is rotatably connected between the two lower fixing blocks, the bottom of the lower threaded rod is fixedly connected with the top of the output shaft of the lower rotating motor, the outer side of the lower threaded rod is connected with a lower threaded sliding block in a sliding manner, the top of the inner side of the first side plate is fixedly connected with an upper rotating motor, the top of the inner side of the first side plate is fixedly connected with two upper fixing blocks, an upper threaded rod is rotatably connected between the two upper fixing blocks, the top of the upper threaded rod is fixedly connected with the bottom of the output shaft of the upper rotating motor, and the outer side of the upper threaded rod is connected with an upper threaded sliding block in a sliding manner;

a lower forming ring and an upper forming ring are connected between the first side plate and the second side plate in a sliding way, a lower clamping rod is fixedly connected on the periphery of the top of the lower forming ring, the periphery of the bottom of the upper forming ring is fixedly connected with an upper clamping rod corresponding to the lower clamping rod, one sides of the lower forming ring and the upper forming ring close to the first side plate are respectively and fixedly connected with an aligning fixing plate corresponding to the lower thread slide block and the upper thread slide block, one side of the top of each aligning fixing plate close to the first side plate is provided with two aligning holes, the top parts of the lower threaded sliding block and the upper threaded sliding block are respectively provided with a position fixing hole corresponding to the position aligning hole, the lower forming ring and the upper forming ring are fixedly connected with supporting slide bars respectively on one sides close to the second side plates, the supporting slide bars are fixedly connected with fixed slide blocks respectively on one ends close to the second side plates, and sliding grooves corresponding to the fixed slide blocks are formed in the centers of the inner sides of the second side plates.

As a further description of the above technical solution:

the first side plate, the second side plate and the rectangular frame are fixedly connected in a welded mode.

As a further description of the above technical solution:

one of them the through-hole has been seted up at lower fixed block center, threaded rod bottom runs through the through-hole and rotates the motor direction downwards and extend, one of them go up the fixed block center and seted up the through-hole, go up threaded rod top and run through the through-hole and rotate motor direction upwards and extend.

As a further description of the above technical solution:

the lower clamping rod and the upper clamping rod are of cylindrical structures, and the lower clamping rod is sleeved on the outer wall of the upper clamping rod.

As a further description of the above technical solution:

the lower threaded sliding block and the upper threaded sliding block are provided with grooves corresponding to the alignment fixing plates on the sides far away from the first side plate.

As a further description of the above technical solution:

a plurality of alignment hole and position fixing hole all are provided with the internal thread.

The utility model discloses following beneficial effect has: 1. through the lift of lower one-tenth clamping ring and last one-tenth clamping ring, the drive is down kelly and goes up and down with last kelly, then changes the height of a blown film shaping section of thick bamboo and the position of a shaping section of thick bamboo, makes the film after the blowing carry out shaping work in suitable position, avoids appearing irregular shape to the fold appears in the film when leading to tensile book.

2. Two alignment fixing plates are respectively fixed in the lower thread sliding block and the upper thread sliding block through screws, and when the lower forming ring and the upper forming ring are required to be cleaned, the lower forming ring and the upper forming ring can be detached only by detaching the screws, so that the cleaning is convenient.

Drawings

Fig. 1 is a front view of a forming mechanism for polyethylene film according to the present invention;

fig. 2 is a top view of a forming mechanism for polyethylene film according to the present invention;

fig. 3 is a top view of a forming ring on a forming mechanism for polyethylene film according to the present invention;

fig. 4 is a top view of a thread slider on a forming mechanism for polyethylene film according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. a first side plate; 2. a second side plate; 3. a rectangular frame; 4. a lower rotating motor; 5. a lower fixed block; 6. a lower threaded rod; 7. a lower threaded slider; 8. an upper rotating motor; 9. an upper fixed block; 10. an upper threaded rod; 11. an upper threaded slider; 12. a lower forming ring; 13. forming a ring; 14. a lower clamping rod; 15. an upper clamping rod; 16. aligning the fixed plate; 17. aligning holes; 18. a retention hole; 19. supporting the sliding rod; 20. fixing the sliding block; 21. a chute.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a forming mechanism for a polyethylene film comprises a first side plate 1 and a second side plate 2, wherein the tops and the bottoms of the first side plate 1 and the second side plate 2 are fixedly connected with a rectangular frame 3, the bottom of the inner side of the first side plate 1 is fixedly connected with a lower rotating motor 4, the bottom of the inner side of the first side plate 1 is fixedly connected with two lower fixing blocks 5, a lower threaded rod 6 is rotatably connected between the two lower fixing blocks 5, the bottom of the lower threaded rod 6 is fixedly connected with the top of an output shaft of the lower rotating motor 4, the output shaft of the lower rotating motor 4 rotates to drive the lower threaded rod 6 to rotate, the outer side of the lower threaded rod 6 is slidably connected with a lower threaded slider 7, the lower threaded slider 7 is provided with a threaded hole corresponding to the lower threaded rod 6, the lower threaded slider 7 can perform lifting motion through the rotation of the lower threaded rod 6, the top of the inner side of the first side plate 1 is fixedly connected with an upper rotating motor 8, and the top of the inner side of the first side plate 1 is fixedly connected with two upper fixing blocks 9, two go up and rotate between the fixed block 9 and be connected with threaded rod 10, go up threaded rod 10 top portion and last 8 output shaft bottoms fixed connection of rotating motor, go up 8 output shaft of rotating motor and rotate and drive threaded rod 10 and rotate, go up threaded rod 10 outside sliding connection and have last screw slider 11, go up screw slider 11 and offer the screw hole corresponding with last threaded rod 10, through the rotation of last threaded rod 10, go up screw slider 11 and can carry out elevating movement.

A lower forming ring 12 and an upper forming ring 13 are slidably connected between the first side plate 1 and the second side plate 2, a lower clamping rod 14 is fixedly connected on the periphery of the top of the lower forming ring 12, an upper clamping rod 15 corresponding to the lower clamping rod 14 is fixedly connected on the periphery of the bottom of the upper forming ring 13, and the lower forming ring 12 and the upper forming ring 13 are lifted to lift the lower clamping rod 14 and the upper clamping rod 15, so that the height of a film blowing forming cylinder and the position of the forming cylinder are changed, a blown film is formed at a proper position, irregular shapes are avoided, an alignment fixing plate 16 corresponding to the lower thread slide block 7 and the upper thread slide block 11 is respectively fixedly connected on one sides of the lower forming ring 12 and the upper forming ring 13 close to the first side plate 1, the lifting of the lower thread slide block 7 and the upper thread slide block 11 drives the alignment fixing plate 16 to lift, so that the lifting of the lower forming ring 12 and the upper forming ring 13 is realized, two alignment holes 17 are respectively arranged on one sides of the tops of the two alignment fixing plates 16 close to the first side plate 1, the top of the lower thread sliding block 7 and the top of the upper thread sliding block 11 are respectively provided with a position fixing hole 18 corresponding to the position aligning hole 17, two position aligning fixing plates 16 can be respectively fixed in the lower thread sliding block 7 and the upper thread sliding block 11 by screws, when the lower forming ring 12 and the upper forming ring 13 need to be cleaned, only the screws need to be disassembled, the lower forming ring 12 and the upper forming ring 13 can be disassembled, one sides of the lower forming ring 12 and the upper forming ring 13, which are close to the second side plate 2, are respectively and fixedly connected with supporting slide rods 19, the supporting slide rods 19 play a fixing role for the lower forming ring 12 and the upper forming ring 13, one ends of the two supporting slide rods 19, which are close to the second side plate 2, are respectively and fixedly connected with fixed sliding blocks 20, the center of the inner side of the second side plate 2 is provided with sliding grooves 21 corresponding to the fixed sliding blocks 20, and the fixed sliding blocks 20 can slide in the sliding grooves 21.

The first side plate 1, the second side plate 2 and the rectangular frame 3 are fixedly connected in a welded mode, and the connection is firmer in a welded mode; a through hole is formed in the center of one of the lower fixing blocks 5, the bottom of the lower threaded rod 6 penetrates through the through hole and extends in the direction of the downward rotating motor 4, a through hole is formed in the center of one of the upper fixing blocks 9, the top of the upper threaded rod 10 penetrates through the through hole and extends in the direction of the upward rotating motor 8, and a bearing is arranged in the through hole, so that the lower threaded rod 6 and the upper threaded rod 10 can rotate conveniently; the multiple groups of lower clamping rods 14 and the upper clamping rods 15 are all of cylindrical structures, and the lower clamping rods 14 are sleeved on the outer walls of the upper clamping rods 15; grooves corresponding to the alignment fixing plates 16 are formed in the sides, away from the first side plate 1, of the lower threaded slider 7 and the upper threaded slider 11, the alignment fixing plates 16 are inserted into the grooves, and then screws are inserted into the alignment holes 17 and the fixing holes 18; a plurality of counterpoint holes 17 and position fixing hole 18 all are provided with the internal thread, and the internal thread is conveniently fixed with the screw.

The working principle is as follows: firstly, the lower threaded rod 6 and the upper threaded rod 10 are driven to rotate by the rotation of the output shafts of the lower rotating motor 4 and the upper rotating motor 8, so that the lower threaded slide block 7 and the upper threaded slide block 11 perform lifting motion, further the lifting of the lower forming ring 12 and the upper forming ring 13 is realized, the lower clamping rod 14 and the upper clamping rod 15 are driven to lift, then the height of the film blowing forming cylinder and the position of the forming cylinder are changed, the blown film is enabled to perform forming work at a proper position, and the phenomenon of irregular shape is avoided, so that the film is wrinkled during stretching; two alignment fixing plates 16 are respectively fixed in the lower thread sliding block 7 and the upper thread sliding block 11 through screws, when the lower forming ring 12 and the upper forming ring 13 need to be cleaned, the lower forming ring 12 and the upper forming ring 13 can be detached only by detaching the screws, and cleaning is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A forming mechanism for polyethylene film, includes first curb plate (1) and second curb plate (2), its characterized in that: the top and the bottom of the first side plate (1) and the second side plate (2) are fixedly connected with a rectangular frame (3), the bottom of the inner side of the first side plate (1) is fixedly connected with a lower rotating motor (4), the bottom of the inner side of the first side plate (1) is fixedly connected with two lower fixing blocks (5), a lower threaded rod (6) is rotatably connected between the two lower fixing blocks (5), the bottom of the lower threaded rod (6) is fixedly connected with the top of an output shaft of the lower rotating motor (4), the outer side of the lower threaded rod (6) is slidably connected with a lower threaded slider (7), the top of the inner side of the first side plate (1) is fixedly connected with an upper rotating motor (8), the top of the inner side of the first side plate (1) is fixedly connected with two upper fixing blocks (9), an upper threaded rod (10) is rotatably connected between the two upper fixing blocks (9), and the top of the upper threaded rod (10) is fixedly connected with the bottom of the output shaft of the upper rotating motor (8), the outer side of the upper threaded rod (10) is connected with an upper threaded sliding block (11) in a sliding manner;

sliding connection has lower one-tenth clamping bar (12) and last one-tenth clamping bar (13) between first curb plate (1) and second curb plate (2), clamping bar (14) down are enclosed to one side fixedly connected with in lower one-tenth clamping bar (12) top week, go up one-tenth clamping bar (15) that week side fixedly connected with in lower one-tenth clamping bar (13) bottom week side fixedly connected with and lower clamping bar (14) are corresponding, down one-tenth clamping bar (12) and last one-tenth clamping bar (13) are close to first curb plate (1) one side and equally divide respectively fixedly connected with and lower screw thread slider (7) and last screw thread slider (11) corresponding counterpoint fixed plate (16), two counterpoint fixed plate (16) top is close to first curb plate (1) one side and has all seted up two counterpoint holes (17), screw thread slider (7) and last screw thread slider (11) top are seted up respectively and are counterpoint hole (18) corresponding with counterpoint hole (17), lower one-tenth clamping bar (12) and last one-tenth clamping bar (13) are close to one side fixedly connected with second curb plate (2) and are respectively and are supported slide bar (13), and are enclosed (19) Two support slide bar (19) are close to equal fixedly connected with fixed slider (20) of second curb plate (2) one end, second curb plate (2) inboard center is seted up with fixed slider (20) corresponding spout (21).

2. A molding mechanism for polyethylene film as claimed in claim 1, wherein: the first side plate (1), the second side plate (2) and the rectangular frame (3) are all fixedly connected in a welded mode.

3. A molding mechanism for polyethylene film as claimed in claim 1, wherein: one of them the through-hole has been seted up at lower fixed block (5) center, threaded rod (6) bottom runs through the through-hole and rotates motor (4) direction downwards and extend, and one of them go up fixed block (9) center and seted up the through-hole, go up threaded rod (10) top and run through the through-hole and rotate motor (8) direction upwards and extend.

4. A molding mechanism for polyethylene film as claimed in claim 1, wherein: the lower clamping rod (14) and the upper clamping rod (15) are all of a cylindrical structure, and the lower clamping rod (14) is sleeved on the outer wall of the upper clamping rod (15).

5. A molding mechanism for polyethylene film as claimed in claim 1, wherein: the lower threaded sliding block (7) and the upper threaded sliding block (11) are both provided with grooves corresponding to the alignment fixing plates (16) on one side away from the first side plate (1).

6. A molding mechanism for polyethylene film as claimed in claim 1, wherein: the alignment holes (17) and the retention holes (18) are provided with internal threads.