CN211033205U - Packaging film stretching device - Google Patents

Abstract

The utility model discloses a packaging film stretching device belongs to food industry equipment technical field. It includes the packaging film roller, the baffle, first roller, the second roller, third roller and winding roller, form the cavity between two baffles, the packaging film roller sets up the top at the cavity, and the axis of rotation of packaging film roller is two baffles rotation connection respectively, first roller, the second roller, the axis of rotation of third roller and winding roller all rotates with the baffle to be connected, the packaging film of packaging film roller in proper order with first roller, the second roller, third roller and winding roller contact, set up the gag lever post between packaging film roller and the first roller, one side of baffle sets up the rotation motor, the rotation motor is respectively through conveyer belt and second roller and winding roller belt drive, wherein carry out chain drive through the chain between second roller and the first roller. Aiming at the problems in the prior art, the packaging film can be effectively stretched, and is particularly suitable for middle and small-sized food sellers.

Description

Packaging film stretching device

Technical Field

The utility model belongs to the technical field of food industry equipment, more specifically say, relate to a packaging film stretching device.

Background

Packaging films for food, such as preservative films, are commonly used in the fields of microwave oven food heating, refrigerator food preservation, fresh and cooked food packaging and the like, and have shadows in the fields of food packaging of family life, supermarket stores, hotels and restaurants and industrial production. However, in the current packaging situation, the packaging film is usually torn off manually, and then the packaging film is wrapped on the surface of the food, the operation process is time-consuming and labor-consuming, the packaging film (especially the preservative film) is not easy to take out and is easy to tear, the torn packaging film is easy to roll together, so that the packaging film is more difficult to separate, and in addition, the preservative film needs to be effectively stretched to be better wrapped on the surface of the food.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

Problem to prior art existence, the utility model provides a packaging film stretching device, it can effectively stretch the packaging film, is particularly suitable for middle-size and small-size food seller to use.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A packaging film stretching device, which comprises a packaging film roller, a clapboard, a first roller, a second roller, a third roller and a winding roller,

a cavity is formed between the two partition plates,

the packaging film roller is arranged above the cavity, the rotating shafts of the packaging film roller are respectively and rotationally connected with the two clapboards,

the rotating shafts of the first roller, the second roller, the third roller and the winding roller are all rotationally connected with the clapboard,

the packaging film of the packaging film roller is contacted with the first roller, the second roller, the third roller and the winding roller in sequence,

a limiting rod is arranged between the packaging film roller and the first roller,

and a rotating motor is arranged on one side of the partition plate, the rotating motor is in belt transmission with the second roller and the third roller through a conveying belt respectively, and chain transmission is performed between the second roller and the first roller through a chain.

Preferably, the two sides below the packaging film roller are respectively abutted against the first bearing guide roller and the second bearing guide roller.

Preferably, still include first taut deflector roll, first taut deflector roll sets up the packaging film roller with between the first roller, the axis of rotation of first taut deflector roll with the baffle rotates and is connected.

Preferably, still include the taut deflector roll of second, the taut deflector roll setting of second is in the second roller with between the third roller, the axis of rotation of the taut deflector roll of second with the baffle rotates and is connected.

Preferably, the device further comprises a hydraulic rod, and the rotating motor is fixed on a telescopic rod of the hydraulic rod.

Preferably, the end point of the telescopic rod of the hydraulic rod is hinged with a movable rod, and the movable rod is hinged with the rotating shaft of the winding roller.

3. Advantageous effects

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

(1) the utility model discloses set up the packaging film cover on the packaging film roller periphery earlier, pull the packaging film and bypass the gag lever post in proper order, first roller, the second roller, the third roller reaches the winding roller, wherein the effect of gag lever post is to avoid packaging film for example plastic wrap to appear the turn-up phenomenon in quick tensile process; then starting a rotating motor, driving a second roller and a third roller to rotate through a conveyer belt, simultaneously driving a first roller to rotate through a chain by the second roller, realizing the stretching of the packaging film by adjusting the positions and the tensile forces (setting of a proper transmission ratio) among the first roller, the second roller and the third roller, continuously winding the stretched packaging film on a winding roller to realize storage, and connecting a belt or a chain between the winding roller and the rotating motor if a large amount of storage is needed;

(2) the arrangement of the two bearing guide rollers below the packaging film roller can improve the compression force between the packaging film and the packaging film roller, and prevent the packaging film roller from falling off in the operation process;

(3) the first tensioning guide roller of the utility model is arranged to further improve the tensioning force of the packaging film between the packaging film roller and the first roller; the second tensioning guide roller is arranged for further improving the tensioning force of the packaging film between the second roller and the third roller

(4) The hydraulic rod of the utility model can realize the position change of the vibrating motor, further realize the transmission ratio change between the vibrating motor and the first roller, the second roller and the third roller, and finally realize the change of the stretching effect of the packaging film;

(5) the utility model discloses the hydraulic stem passes through the movable rod and articulates with the winding roller, because the packaging film tensile force is the biggest on the winding roller, the aforesaid sets up the mode, can further fasten the winding roller.

Drawings

Fig. 1 is a schematic structural diagram of a packaging film stretching device according to the present application.

In the figure: 1. a packaging film roller; 2. a partition plate; 3. a first roller; 4. a second roller; 5. a third roller; 6. winding the roller; 7. a limiting rod; 8. a rotation motor; 9. a conveyor belt; 10. a chain; 11. a first bearing guide roller; 12. a second bearing guide roller; 13. a first tensioning guide roller; 14. a second tensioning guide roller; 15. a hydraulic lever; 16. a movable rod.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in FIG. 1, the packaging film stretching device of this embodiment comprises a packaging film roller 1, a partition board 2, a first roller 3, a second roller 4, a third roller 5 and a winding roller 6,

a cavity is formed between the two partition plates 2,

the packaging film roller 1 is arranged above the cavity, the rotating shafts of the packaging film roller 1 are respectively and rotationally connected with the two clapboards 2,

the rotating shafts of the first roller 3, the second roller 4, the third roller 5 and the winding roller 5 are all rotationally connected with the clapboard 2,

the packaging film of the packaging film roller 1 is contacted with the first roller 3, the second roller 4, the third roller 5 and the winding roller 6 in sequence,

a limiting rod 7 is arranged between the packaging film roller 1 and the first roller 3, the limiting rod 7 is a rod with lugs at two ends, the packaging film is limited by the two lugs,

one side of baffle 2 sets up rotation motor 8, rotation motor 8 respectively through conveyer belt 9 with second roller 4 reaches third roller 5 belt drive, wherein second roller 4 with carry out chain drive through chain 10 between the first roller 3.

When the packaging film quick-stretching device is used, a packaging film is sleeved on the periphery of a packaging film roller 1, the packaging film is pulled to sequentially bypass a limiting rod 7, the first roller 3, the second roller 4, the third roller 5 and the winding roller 6, wherein the limiting rod 7 is used for preventing the packaging film such as a preservative film from curling in the quick stretching process; then, a rotating motor 8 is started, the rotating motor 8 drives a second roller 4 and a third roller 5 to rotate through a conveying belt 9, meanwhile, the second roller 4 also drives a first roller 3 to rotate through a chain 10, the stretching of the packaging film can be realized by adjusting the positions and the tensile forces (the setting of a proper transmission ratio) among the first roller 3, the second roller 4 and the third roller 5, the stretched packaging film is continuously wound on a winding roller 6 to be stored, and a belt or a chain between the winding roller 6 and the rotating motor 8 can be connected if a large amount of storage is needed.

Example 2

As shown in fig. 1, the packaging film stretching apparatus of this embodiment is similar to that of embodiment 1, except that two sides of the lower portion of the packaging film roller 1 respectively abut against the first bearing guide roller 11 and the second bearing guide roller 12, and the two bearing guide rollers belong to passive guide rollers without power support.

Two settings that bear the weight of the deflector roll in the below of packaging film roller 1 can improve the stiction between packaging film and the packaging film roller 1, avoid packaging film roller 1 to appear the packaging film and drop in the operation in-process.

Example 3

As shown in fig. 1, the packaging film stretching apparatus of this embodiment is similar to embodiment 2, except that it further includes a first tensioning guide roller 13, the first tensioning guide roller 13 is disposed between the packaging film roller 1 and the first roller 3, and a rotation shaft of the first tensioning guide roller 13 is rotatably connected to the partition 2.

The first tensioning guide roller 13 is arranged to further increase the tensioning force of the packaging film between the packaging film roller 1 and the first roller 3.

Example 4

As shown in fig. 1, the packaging film stretching apparatus of the present embodiment is similar to embodiment 3, except that it further includes a second tensioning guide roller 14, the second tensioning guide roller 14 is disposed between the second roller 4 and the third roller 5, and a rotating shaft of the second tensioning guide roller 14 is rotatably connected to the partition 2.

The second stretching guide roller 14 is provided to further increase the stretching force of the packaging film between the second roller 4 and the third roller 5.

Example 5

As shown in fig. 1, the packaging film stretching device of this embodiment is similar to embodiment 4, except that it further includes a hydraulic rod 15, and the rotating motor 8 is fixed to a telescopic rod of the hydraulic rod 15.

The hydraulic rod 15 is arranged, so that the position of the vibration motor 8 can be changed, the transmission ratio among the vibration motor, the first roller 3, the second roller 4 and the third roller 5 can be changed, and the stretching effect of the packaging film can be changed finally.

Example 6

As shown in fig. 1, the packaging film stretching apparatus of this embodiment is similar to that of embodiment 5, except that the end point of the telescopic rod of the hydraulic rod 15 is hinged to a movable rod 16, and the movable rod 16 is hinged to the rotating shaft of the winding roller 6.

The hydraulic rod 15 is hinged with the winding roller 6 through the movable rod 16, and the winding roller 6 can be further fastened due to the fact that the tensile force of the packaging film on the winding roller 6 is the largest.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (6)

1. A packaging film stretching device is characterized in that:

comprises a packaging film roller (1), a clapboard (2), a first roller (3), a second roller (4), a third roller (5) and a winding roller (6),

a cavity is formed between the two clapboards (2),

the packaging film roller (1) is arranged above the cavity, the rotating shafts of the packaging film roller (1) are respectively and rotationally connected with the two clapboards (2),

the rotating shafts of the first roller (3), the second roller (4), the third roller (5) and the winding roller (6) are rotationally connected with the clapboard (2),

the packaging film of the packaging film roller (1) is contacted with the first roller (3), the second roller (4), the third roller (5) and the winding roller (6) in sequence,

a limiting rod (7) is arranged between the packaging film roller (1) and the first roller (3),

one side of the partition board (2) is provided with a rotating motor (8), the rotating motor (8) is in belt transmission with the second roller (4) and the third roller (5) through a conveying belt (9), and the second roller (4) is in chain transmission with the first roller (3) through a chain (10).

2. The packaging film stretching apparatus as claimed in claim 1, wherein: the two sides of the lower part of the packaging film roller (1) are respectively abutted against the first bearing guide roller (11) and the second bearing guide roller (12).

3. The packaging film stretching apparatus as claimed in claim 2, wherein: still include first taut deflector roll (13), first taut deflector roll (13) set up packaging film roller (1) with between first roller (3), the axis of rotation of first taut deflector roll (13) with baffle (2) rotate to be connected.

4. The packaging film stretching apparatus as claimed in claim 1, wherein: still include the taut deflector roll of second (14), the taut deflector roll of second (14) set up second roller (4) with between third roller (5), the axis of rotation of the taut deflector roll of second (14) with baffle (2) rotate to be connected.

5. The packaging film stretching apparatus as claimed in claim 1, wherein: the hydraulic control system is characterized by further comprising a hydraulic rod (15), wherein the rotating motor (8) is fixed on a telescopic rod of the hydraulic rod (15).

6. The packaging film stretching apparatus as claimed in claim 5, wherein: the end point of the telescopic rod of the hydraulic rod (15) is hinged with a movable rod (16), and the movable rod (16) is hinged with the rotating shaft of the winding roller (6).

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