CN213382961U

CN213382961U - Longitudinal stretcher for stretching polyethylene film

Info

Publication number: CN213382961U
Application number: CN202022034974.5U
Authority: CN
Inventors: 纪利俊; 孙劲; 刘敏; 孙宇; 淳洋
Original assignee: Yangzhou Shengzhi Baoxin Material Technology Co Ltd
Current assignee: Yangzhou Shengzhi Baoxin Material Technology Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-08
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a polyethylene film is tensile with vertical stretcher relates to the processing equipment technical field of film, which comprises a back plate, fixed plate fixedly connected with motor is passed through at the back of backplate, the back and the fixedly connected with gear of backplate are passed to the output of motor, two track boards of positive fixedly connected with of backplate, two T shape track groove has all been seted up to the inside of track board, the equal sliding connection of T shape track inslot portion has the ratchet plate, the one end that ratchet plate is close to the gear all rotates and is connected with the stretching roller, the equal fixedly connected with in both ends of ratchet plate blocks the piece. The utility model discloses polyethylene film is tensile with longitudinal stretcher drives two ratchet plates displacement structure in opposite directions through setting up the gear at central authorities, through rotate on ratchet plate connect stretching roller alright with processing the product, saved mechanical cost, solved the tensile with longitudinal stretcher structure complex cost higher condition of current polyethylene film.

Description

Longitudinal stretcher for stretching polyethylene film

Technical Field

The utility model relates to a processing equipment technical field of film specifically is a polyethylene film is tensile with vertical stretcher.

Background

The longitudinal stretcher for stretching the polyethylene film is mainly used for producing the unidirectional stretching polyethylene plastic film (stretching film and winding film) and the preservative film. The device consists of a main machine, an auxiliary machine and an electric control part. According to the traditional longitudinal stretching machine, the stretching roller sets are driven by a power source to rotate, each stretching roller is in driving connection with a transmission pair with sequentially increased transmission ratio, so that the rotating speed of the stretching rollers of the stretching roller sets is gradually increased, and the thick film is gradually stretched into the thin film. Because the transmission ratio of the transmission pair is fixed and unchanged, the stretching ratio of the film stretched by the stretching roller group is also unchanged, and the traditional stretching machine is complicated in structure and high in cost for films needing to be stretched by different stretching ratios.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a polyethylene film is tensile with vertical stretcher has solved the current polyethylene film that proposes among the above-mentioned background art and has stretched with vertical stretcher structure complicated problem with higher costs.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a polyethylene film is tensile with vertical stretcher, includes the backplate, fixed plate fixedly connected with motor is passed through at the back of backplate, the output of motor passes the back and the fixedly connected with gear of backplate, two track boards of positive fixedly connected with of backplate, two T shape track groove has all been seted up to the inside of track board, the equal sliding connection in T shape track inslot portion has the ratchet plate, the one end that the ratchet plate is close to the gear all rotates and is connected with the stretching roller, the equal fixedly connected with in both ends of ratchet plate blocks the piece, two the equal fixedly connected with connecting plate of a side that the gear was kept away from to the track board, the positive fixedly connected with film fixed column of connecting plate, two lower extreme fixedly connected with supporting legs of backplate, two the equal fixedly connected with stabilising plate of lower surface of supporting leg.

Furthermore, one side of the ratchet plate close to the gear is fixedly connected with a plurality of ratchets, and the ratchet plate is meshed with the gear through the ratchets.

Further, the length of the stretching roller is consistent with that of the film fixing column.

Further, the distance between the two T-shaped track grooves is larger than the height of the two ratchet plates plus the two stop sheets.

Furthermore, the two connecting plates are distributed up and down correspondingly, and the length of the T-shaped track groove is greater than the maximum moving distance of the ratchet plate.

(III) advantageous effects

The utility model provides a polyethylene film is tensile with vertical stretcher possesses following beneficial effect:

(1) this polyethylene film is tensile with vertical stretcher, through set up two ratchet plates displacement structure in opposite directions of gear drive at central authorities, through rotate on ratchet plate connect stretching roller alright with processing the product, machining efficiency has been improved, mechanical cost has been saved, thereby production cost has effectively been reduced, through the structure of arranging the film fixed column from top to bottom, the operator only need stand in the original place alright operate the production to equipment, the effect of operation save time has been reached, the current polyethylene film is tensile with vertical stretcher structure complex cost higher condition has been solved.

Drawings

Fig. 1 is a schematic structural view of the upper left side of the longitudinal stretching machine for stretching the polyethylene film according to the present invention;

fig. 2 is a schematic structural diagram of the polyethylene film stretching longitudinal stretching machine viewed from the right rear side;

fig. 3 is a schematic diagram of the structure of the polyethylene film stretching longitudinal stretcher according to the present invention.

In the figure: 1. a back plate; 2. a fixing plate; 3. a motor; 4. a gear; 5. a track plate; 6. a T-shaped track groove; 7. a ratchet plate; 8. a stretching roller; 9. a blocking sheet; 10. a connecting plate; 11. fixing a film column; 12. Supporting legs; 13. and a stabilizing plate.

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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a longitudinal stretcher for stretching a polyethylene film comprises a back plate 1, wherein the back surface of the back plate 1 is fixedly connected with a motor 3 through a fixing plate 2, the output end of the motor 3 penetrates through the back surface of the back plate 1 and is fixedly connected with a gear 4, the front surface of the back plate 1 is fixedly connected with two track plates 5, T-shaped track grooves 6 are formed in the two track plates 5, ratchet plates 7 are slidably connected in the T-shaped track grooves 6, in order to facilitate the linkage of the gear 4 and the ratchet plates 7, one sides, close to the gear 4, of the ratchet plates 7 are fixedly connected with a plurality of ratchets, the ratchet plates 7 are meshed with the gear 4 through the ratchets, one ends, close to the gear 4, of the ratchet plates 7 are rotatably connected with stretching rollers 8, blocking plates 9 can prevent the ratchet plates 7 from being separated from being linked with the gear 4, two ends of the ratchet plates 7 are fixedly connected with blocking plates 9, and in order to reserve proper space for the mutual interference, distance between two T shape track grooves 6 is greater than two ratchet plates 7 and two height that stop piece 9, the equal fixedly connected with connecting plate 10 in a side that gear 4 was kept away from to two track boards 5, in order to effectively control ratchet plate 7's mobile state, two connecting plates 10 correspond the distribution from top to bottom, T shape track groove 6's length is greater than ratchet plate 7's the biggest displacement, connecting plate 10's positive fixedly connected with film fixed column 11, stretching roller 8 and film fixed column 11 need the tensile polyethylene film of collocation, so stretching roller 8's length and two supporting legs 12 of the unanimous backplate 1 of length of film fixed column 11, the equal fixedly connected with stabilizer plate 13 of lower surface of two supporting legs 12.

According to the working principle, when two stretching rollers 8 are in a close state, a user firstly fixes one end of a polyethylene film on the outer surface of a film fixing column 11 positioned above, then fixes the other end of the polyethylene film on the outer surface of the film fixing column 11 positioned below after the polyethylene film passes through the middle of the two stretching rollers 8, then the user controls the output end of a motor 3 to rotate forwards, the output end of the motor 3 passes through a back plate 1 to be fixedly connected with a gear 4, the gear 4 is meshed with two ratchet plates 7, the output end of the motor 3 rotates forwards to drive the two ratchet plates 7 to move relatively, the stretching rollers 8 are fixedly connected on the front sides of the ratchet plates 7, the two ratchet plates 7 move relatively to drive the two stretching rollers 8 to move oppositely, the polyethylene film is positioned between the two stretching rollers 8, and the polyethylene film can be stretched due to the opposite displacement of the two stretching rollers 8, when the polyethylene film is stretched to a sufficient length, the output end of the motor 3 is stopped to rotate forwards, then the output end of the motor 3 is controlled to rotate backwards, the output end of the motor 3 rotates forwards to drive the two stretching rollers 8 to reset, and a user stops the output end of the motor 3 to rotate at the moment to take down the polyethylene film from the film fixing column 11.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The longitudinal drawing machine for drawing the polyethylene film comprises a back plate (1) and is characterized in that the back surface of the back plate (1) is fixedly connected with a motor (3) through a fixing plate (2), the output end of the motor (3) penetrates through the back surface of the back plate (1) and is fixedly connected with a gear (4), the front surface of the back plate (1) is fixedly connected with two track plates (5), T-shaped track grooves (6) are formed in the two track plates (5), ratchet plates (7) are slidably connected in the T-shaped track grooves (6), one ends, close to the gear (4), of the ratchet plates (7) are rotatably connected with drawing rollers (8), two ends of the ratchet plates (7) are fixedly connected with blocking pieces (9), and one side surface, far away from the gear (4), of the two track plates (5) is fixedly connected with a connecting plate (10), the front face of the connecting plate (10) is fixedly connected with a film fixing column (11), the lower end of the back plate (1) is fixedly connected with two supporting legs (12), and the lower surfaces of the two supporting legs (12) are fixedly connected with stabilizing plates (13).

2. The machine direction stretcher for stretching a polyethylene film according to claim 1,

one side of the ratchet plate (7) close to the gear (4) is fixedly connected with a plurality of ratchets, and the ratchet plate (7) is meshed with the gear (4) through the ratchets.

3. The machine direction stretcher for stretching a polyethylene film according to claim 1,

the length of the stretching roller (8) is consistent with that of the film fixing column (11).

4. The machine direction stretcher for stretching a polyethylene film according to claim 1,

the distance between the two T-shaped track grooves (6) is greater than the height of the two ratchet plates (7) and the two stop sheets (9).

5. The machine direction stretcher for stretching a polyethylene film according to claim 1,

the two connecting plates (10) are distributed up and down correspondingly, and the length of the T-shaped track groove (6) is greater than the maximum moving distance of the ratchet plate (7).