CN214139073U

CN214139073U - Feeding structure of plastic packaging machine

Info

Publication number: CN214139073U
Application number: CN202023157656.4U
Authority: CN
Inventors: 林嘉珣
Original assignee: Dazhou Xinyan Xiamen Biological Technology Co ltd
Current assignee: Dazhou Xinyan Xiamen Biological Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-07
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a feeding structure of a plastic packaging machine, which comprises a frame, a film discharging device, a conveying device and a film folding device; the film discharging device is arranged on one side of the rack, and the folded roll-shaped plastic film is arranged on the film discharging device; after the free end of the plastic film enters the film folding device, the opposite folding edges of the plastic film are folded inwards to clamp the opposite folding edges of the free end between the upper layer and the lower layer of the plastic film; the film folding device comprises two film folding plates and a lifting device, wherein the two film folding plates are arranged oppositely up and down; one end of the lower film folding plate, which is far away from the film discharging device, is fixed on the rack, and the upper film folding plate is fixed on the rack through a lifting device; the conveying device is arranged between the two film folding plates in a penetrating mode and used for conveying articles; one side of the film folding plate close to the feeding end of the conveying device is a forming bevel edge; the forming bevel edges of the two film folding plates are respectively embedded into the inward folding bevel edges on the upper side and the lower side of the plastic film, and the plastic film is discharged and coated outside an article by pulling the free end.

Description

Feeding structure of plastic packaging machine

Technical Field

The utility model relates to a equipment for packing technical field, specific pay-off structure of plastic packaging machine that says so.

Background

In the production process, a plastic film is often required to be packaged outside the packaging box to protect the packaging box from being wetted or worn. The feeding structure of the existing plastic packaging machine is usually complex, and a clamping band phenomenon is easily generated in the process of conveying a plastic film, so that the plastic packaging process is unstable, the production efficiency is reduced, and the production cost of an enterprise is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pay-off structure of plastic packaging machine, this pay-off structure of plastic packaging machine can make the continuous ejection of compact of plastic film and cladding outside article through the free end of pulling plastic film, and simple structure is difficult for producing the cassette tape phenomenon, can improve the stability of plastic packaging process, excellent in use effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a feeding structure of a plastic packaging machine comprises a frame, a film discharging device, a conveying device and a film folding device; the film discharging device is arranged on one side of the rack, and the folded roll-shaped plastic film is arranged on the film discharging device; after the free end of the plastic film enters the film folding device, the opposite folding edges of the plastic film are folded inwards to clamp the opposite folding edges of the free end between the upper layer and the lower layer of the plastic film; the film folding device comprises two film folding plates and a lifting device, wherein the two film folding plates are arranged oppositely up and down; one end of the lower film folding plate, which is far away from the film discharging device, is fixed on the rack, and the upper film folding plate is fixed on the rack through a lifting device; the conveying device is arranged between the two film folding plates in a penetrating mode and used for conveying articles; one side of the film folding plate close to the feeding end of the conveying device is a forming bevel edge; the forming bevel edges of the two film folding plates are respectively embedded into the inward folding bevel edges on the upper side and the lower side of the plastic film, and the plastic film is discharged and coated outside an article by pulling the free end.

Furthermore, the lifting device comprises a lifting plate, a lifting screw rod, a fixed block and at least two guide posts; the lower end of the guide post is fixedly connected with the rack, and the upper end of the guide post is fixedly connected with the fixed block; the lifting screw rod is rotationally connected with the fixed block; one end of the lifting plate is fixedly connected with the upper film folding plate, and the other end of the lifting plate is sleeved on the guide post; the lifting screw rod is in threaded connection with the lifting plate, and the mounting height of the upper film folding plate is adjusted by rotating the lifting screw rod.

Furthermore, a hand wheel for driving the lifting screw rod to rotate is fixed on the lifting screw rod.

Furthermore, a support rod is arranged at the lower end of the lifting plate; one end of the support rod, which is far away from the film discharging device, is fixedly connected with the lifting plate, and the upper plastic film penetrates through the lifting plate and the support rod.

Further, the film discharging device comprises two side plates, two supporting rollers and a guide roller; the end parts of the supporting rollers are respectively rotatably connected with the side plates, and the coiled plastic film is placed between the two supporting rollers; the guide roller is rotatably arranged on the side plate on one side of the film folding device, and the free end of the plastic film enters the film folding device after being wound on the guide roller.

Furthermore, two sides of the plastic film are respectively provided with a limiting device; the limiting device comprises a baffle and a limiting bolt; the inner end of the limiting bolt is fixedly connected with the baffle, the outer end of the limiting bolt is in threaded connection with the side plate, and the distance between the baffle and the end part of the rolled plastic film is adjusted by rotating the limiting bolt.

Further, the conveying device comprises a driving motor, a driving roller, a driven roller and a conveying belt, wherein the driving motor, the driving roller, the driven roller and the conveying belt are fixed on the rack; one ends of the driving roller and the driven roller, which are far away from the film discharging device, are respectively in rotating connection with the frame; the conveying belt is sleeved on the driving roller and the driven roller; and an output shaft of the driving motor is fixedly connected with the driving roller.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

1. the utility model relates to a pay-off structure of plastic packaging machine through the free end of pulling plastic film, can make the continuous ejection of compact of plastic film and cladding outside article, simple structure, and difficult production cassette tape phenomenon can improve the stability of plastic packaging process, excellent in use effect.

2. The utility model relates to a pay-off structure of plastic packaging machine, through rotatory lift lead screw, the mounting height of adjustable top diaphragm folding plate, applicable in the not article plastic envelope of co-altitude, the flexibility is good.

3. The utility model relates to a pay-off structure of plastic packaging machine, roll-type plastic film place between two supporting rollers, can drive roll-type plastic film during the free end of pulling plastic film and rotate and carry out the ejection of compact, and get into a membrane device around locating behind the guide roll, be difficult for causing the cassette tape phenomenon.

4. The utility model relates to a pay-off structure of plastic packaging machine, through the interval of rotatory spacing bolt adjustable stop and roll-shaped plastic film tip, can effectively obstruct roll-shaped plastic film and take place the side and move, and applicable plastic film in different widths is spacing, and the flexibility is good.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention when the conveyer is not installed;

fig. 3 is a schematic perspective view of the spacing device of the present invention;

fig. 4 is a schematic structural view of the plastic film of the present invention after being folded;

fig. 5 is a schematic structural view of the plastic film of the present invention after the folding portion is unfolded.

The reference numbers in the figures denote:

1. a frame; 2. a film discharging device; 20. a side plate; 21. a support roller; 22. a guide roller; 23. a limiting device; 230. a baffle plate; 231. a limit bolt; 3. a conveying device; 30. a drive motor; 31. a drive roll; 32. a driven roller; 33. a conveyor belt; 4. a film folding device; 40. a membrane folding plate; 400. forming a bevel edge; 41. a lifting device; 410. a lifting plate; 411. a lifting screw rod; 412. a fixed block; 413. a guide post; 414. a hand wheel; 42. a support bar; 5. a plastic film; 50. folding edges; 51. an inflected bevel edge; 6. an article.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a feeding structure of a plastic packaging machine includes a frame 1, a film discharging device 2, a conveying device 3, and a film folding device 4; the film discharging device 2 is arranged on one side of the rack 1, and the folded roll-shaped plastic film 5 is arranged on the film discharging device 2; after the free end of the plastic film 5 enters the film folding device 4, the opposite folding edges 50 of the plastic film 5 are folded inwards to clamp the opposite folding edges 50 of the free end between the upper and lower layers of the plastic films 5; the film folding device 4 comprises two film folding plates 40 and a lifting device 41 which are arranged oppositely up and down; one end of the lower film folding plate 40, which is far away from the film discharging device 2, is fixed on the rack 1, and the upper film folding plate 40 is fixed on the rack 1 through a lifting device 41; the conveying device 3 is arranged between the two film folding plates 40 in a penetrating mode, and the conveying device 3 is used for conveying the articles 6; one side of the film folding plate 40 close to the feeding end of the conveying device 3 is a forming bevel edge 400; the forming bevel edges 400 of the two film folding plates 40 are respectively embedded into the inward-folding bevel edges 51 on the upper side and the lower side of the plastic film 5, and the plastic film 5 is discharged and coated outside the article 6 by pulling the free end.

As shown in fig. 1 and 2, the lifting device 41 includes a lifting plate 410, a lifting screw 411, a fixing block 412 and at least two guide posts 413; the lower end of the guide column 413 is fixedly connected with the frame 1, and the upper end of the guide column 413 is fixedly connected with the fixed block 412; the lifting screw rod 411 is rotatably connected with the fixed block 412; one end of the lifting plate 410 is fixedly connected with the upper film folding plate 40, and the other end of the lifting plate 410 is sleeved on the guide post 413; the lifting screw 411 is in threaded connection with the lifting plate 410, the mounting height of the upper film folding plate 40 is adjusted by rotating the lifting screw 411, the plastic packaging machine is suitable for plastic packaging of articles 6 with different heights, and flexibility is good.

As shown in fig. 1 and 2, a hand wheel 414 for driving the elevating screw 411 to rotate is fixed on the elevating screw 411.

As shown in fig. 1 and 2, a support rod 42 is arranged at the lower end of the lifting plate 410; one end of the support rod 42, which is far away from the film discharging device 2, is fixedly connected with the lifting plate 410, and the upper plastic film 5 is arranged between the lifting plate 410 and the support rod 42 in a penetrating manner.

As shown in fig. 1 to 3, the film discharging device 2 includes two side plates 20, two supporting rollers 21 and a guiding roller 22; the end parts of the supporting rollers 21 are respectively rotatably connected with the side plates 20, the rolled plastic film 5 is placed between the two supporting rollers 21, and the rolled plastic film 5 can be driven to rotate to discharge when the free end of the plastic film 5 is pulled; the guide roller 22 is rotatably arranged on the side plate 20 on one side of the film folding device 4, and the free end of the plastic film 5 enters the film folding device 4 after being wound on the guide roller 22, so that the phenomenon of tape jamming is not easily caused.

As shown in fig. 1 to 3, two sides of the plastic film 5 are respectively provided with a limiting device 23; the limiting device 23 comprises a baffle plate 230 and a limiting bolt 231; the inner end of the limiting bolt 231 is fixedly connected with the baffle plate 230, the outer end of the limiting bolt 231 is in threaded connection with the side plate 20, the spacing between the baffle plate 230 and the end part of the rolled plastic film 5 is adjusted by rotating the limiting bolt 231, the rolled plastic film 5 can be effectively prevented from moving laterally, the limiting bolt can be suitable for limiting plastic films 5 with different widths, and the flexibility is good.

As shown in fig. 1, the conveying device 3 includes a driving motor 30, a driving roller 31, a driven roller 32 and a conveying belt 33 fixed on the frame 1; one ends of the driving roller 31 and the driven roller 32, which are far away from the film discharging device 2, are respectively in rotating connection with the frame 1; the conveying belt 33 is sleeved on the driving roller 31 and the driven roller 32; an output shaft of the driving motor 30 is fixedly connected with the driving roller 31.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a pay-off structure of plastic packaging machine which characterized in that: comprises a frame (1), a film discharging device (2), a conveying device (3) and a film folding device (4); the film discharging device (2) is arranged on one side of the rack (1), and the folded roll-shaped plastic film (5) is arranged on the film discharging device (2); after the free end of the plastic film (5) enters the film folding device (4), the opposite folding edges (50) of the plastic film (5) are folded inwards to clamp the opposite folding edges (50) of the free end between the plastic films (5) of the upper layer and the lower layer; the film folding device (4) comprises two film folding plates (40) and a lifting device (41), wherein the two film folding plates are arranged oppositely up and down; one end, far away from the film discharging device (2), of the lower film folding plate (40) is fixed on the rack (1), and the upper film folding plate (40) is fixed on the rack (1) through a lifting device (41); the conveying device (3) is arranged between the two film folding plates (40) in a penetrating mode, and articles (6) are conveyed through the conveying device (3); one side of the film folding plate (40) close to the feeding end of the conveying device (3) is a forming bevel edge (400); the forming bevel edges (400) of the two film folding plates (40) are respectively embedded into the inward folding bevel edges (51) on the upper side and the lower side of the plastic film (5), and the plastic film (5) is discharged and coated outside the article (6) by pulling the free end.

2. The feeding structure of the plastic packaging machine according to claim 1, characterized in that: the lifting device (41) comprises a lifting plate (410), a lifting screw rod (411), a fixed block (412) and at least two guide columns (413); the lower end of the guide post (413) is fixedly connected with the rack (1), and the upper end of the guide post (413) is fixedly connected with the fixed block (412); the lifting screw rod (411) is rotatably connected with the fixed block (412); one end of the lifting plate (410) is fixedly connected with the upper film folding plate (40), and the other end of the lifting plate (410) is sleeved on the guide column (413); the lifting screw rod (411) is in threaded connection with the lifting plate (410), and the mounting height of the upper film folding plate (40) is adjusted by rotating the lifting screw rod (411).

3. The feeding structure of the plastic packaging machine according to claim 2, characterized in that: and a hand wheel (414) for driving the lifting screw rod (411) to rotate is fixed on the lifting screw rod (411).

4. The feeding structure of the plastic packaging machine according to claim 2, characterized in that: the lower end of the lifting plate (410) is provided with a support rod (42); one end of the support rod (42) far away from the film discharging device (2) is fixedly connected with the lifting plate (410), and the upper layer of plastic film (5) penetrates between the lifting plate (410) and the support rod (42).

5. The feeding structure of the plastic packaging machine according to claim 1, characterized in that: the film discharging device (2) comprises two side plates (20), two supporting rollers (21) and a guide roller (22); the end parts of the supporting rollers (21) are respectively rotatably connected with the side plates (20), and the rolled plastic film (5) is placed between the two supporting rollers (21); the guide roller (22) is rotatably arranged on the side plate (20) on one side of the film folding device (4), and the free end of the plastic film (5) enters the film folding device (4) after being wound on the guide roller (22).

6. The feeding structure of the plastic packaging machine according to claim 5, characterized in that: two sides of the plastic film (5) are respectively provided with a limiting device (23); the limiting device (23) comprises a baffle plate (230) and a limiting bolt (231); the inner end of the limiting bolt (231) is fixedly connected with the baffle plate (230), the outer end of the limiting bolt (231) is in threaded connection with the side plate (20), and the distance between the baffle plate (230) and the end part of the rolled plastic film (5) is adjusted by rotating the limiting bolt (231).

7. The feeding structure of the plastic packaging machine according to claim 1, characterized in that: the conveying device (3) comprises a driving motor (30), a driving roller (31), a driven roller (32) and a conveying belt (33), wherein the driving motor, the driving roller, the driven roller and the conveying belt are fixed on the rack (1); one ends of the driving roller (31) and the driven roller (32), which are far away from the film discharging device (2), are respectively in rotating connection with the rack (1); the conveying belt (33) is sleeved on the driving roller (31) and the driven roller (32); and an output shaft of the driving motor (30) is fixedly connected with the driving roller (31).