CN220075563U - Polyethylene film stretching device - Google Patents

Abstract

The utility model relates to the technical field of polyethylene film stretching, and discloses a polyethylene film stretching device which comprises a base and a stretching roller, wherein a side plate is fixedly arranged at the upper end of the base, slopes are fixedly arranged at the front side and the rear side of the side plate, a sliding groove is formed in the side plate, a connecting groove is formed in the side of the side plate, and a first sliding block and a second sliding block are movably arranged in the sliding groove. This polyethylene film stretching device is provided with the slope, and the stretching roller can be fixed to the first slider along the slope, and the first slider reciprocates under the drive of motor, does not need the manual work to promote, has reduced physical loss greatly, and the top of first slider is provided with the second slider, rotates the knob and can adjust the height of second slider, restricts the highest position of first slider, and after first slider and the laminating of second slider, the draw-in groove one and the draw-in groove two between just in time cup joint of the bearing at stretching roller both ends, need not use the bolt to fix again, and the dismouting is got up more fast conveniently.

Description

Polyethylene film stretching device

Technical Field

The utility model relates to the technical field of polyethylene film stretching, in particular to a polyethylene film stretching device.

Background

Polyethylene film is produced with PE grain, and has moisture resistance and low moisture permeability, and the polyethylene film may be produced with low density, medium density, high density polyethylene, crosslinked polyethylene and other product and through melt extrusion and stretching in double longitudinal and transverse directions.

Most of the polyethylene film stretching devices at present need to manually install two ends of a stretching roller on a support before use, the support is not provided with a lifting mechanism, the stretching roller is heavy, the bearings at two ends of the stretching roller need to be sleeved in a bearing seat, the bearing seat needs to be fixed by using bolts, quick assembly and disassembly cannot be realized, and the stretching device is inconvenient to use.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a polyethylene film stretching device, which solves the problems that most of the polyethylene film stretching devices in the prior art are required to be manually arranged on a bracket at two ends of a stretching roller before being used, the bracket is not provided with a lifting mechanism, the stretching roller is heavy, the carrying is very laborious, bearings at the two ends of the stretching roller are required to be sleeved in bearing seats, the bearing seats are required to be fixed by bolts, quick assembly and disassembly cannot be realized, and the use is inconvenient.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a polyethylene film stretching device, includes base and stretching roller, the upper end fixed mounting of base has the curb plate, both sides fixed mounting has the slope around the curb plate, the spout has been seted up to the inside of curb plate, the spread groove has been seted up to the avris of curb plate, the inside movable mounting of spout has slider one and slider two, draw-in groove one has been seted up to the upper end of slider one, draw-in groove two has been seted up to the lower extreme of slider two, the upper end fixed mounting of base has the casing, the inside fixed mounting of casing has the motor, the inside rotation of casing installs the pivot, the outside fixed mounting of pivot has bevel gear one, the inside rotation of curb plate installs lead screw one, the lower extreme fixed mounting of lead screw one has bevel gear two, the internal thread of curb plate upper end installs lead screw two, the upper end fixed mounting of lead screw two has the knob, the outside of stretching roller cup joints and installs the bearing.

Preferably, the side plates are symmetrically arranged in a left-right mode, the connecting grooves are located at the upper ends of the slopes, the connecting grooves extend to the inside of the sliding grooves, two ends of the stretching roller slide along the surfaces of the slopes, penetrate through the connecting grooves and enter the sliding grooves, and consumption of physical strength is reduced.

Preferably, the first sliding block is located below the second sliding block, the upper end face of the first sliding block is flush with the upper end face of the slope, and the sliding groove plays a guiding role on the first sliding block and the second sliding block.

Preferably, the output end of the motor is fixedly connected with the rotating shaft, two bevel gears are respectively arranged on the front side and the rear side of the motor and the rotating shaft, two bevel gears are respectively arranged on the outer side of the rotating shaft, the motor drives the rotating shaft to rotate, and the bevel gears rotate along with the rotating shaft.

Preferably, the first screw rod is perpendicular to the base, the second bevel gear is in meshed connection with the first bevel gear, the first screw rod is in threaded connection with the first sliding block, the first bevel gear drives the first screw rod to rotate through the second bevel gear, and the first screw rod drives the first sliding block to move up and down.

Preferably, the second screw rod is respectively arranged at the upper ends of the side plates, the lower end of the second screw rod is rotationally connected with the second slide block, the second slide block is movably connected with the outer side of the first screw rod, the second screw rod is driven to rotate by the rotation knob, and the second screw rod drives the second slide block to move up and down.

Compared with the prior art, the utility model has the beneficial effects that: this polyethylene film stretching device is provided with the slope, and the stretching roller can be fixed to the first slider along the slope, and the first slider can reciprocate under the drive of motor, does not need the manual work to promote, has reduced physical power's loss greatly, and the top of first slider is provided with the second slider, rotates the knob and can adjust the height of second slider, restricts the highest position of first slider, and after first slider and the laminating of second slider, the draw-in groove and the draw-in groove second between just cup joint in the bearing at stretching roller both ends, need not use the bolt to fix again, and the dismouting is got up more fast conveniently.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a base of the present utility model;

FIG. 3 is a schematic cross-sectional view of a base of the present utility model;

fig. 4 is a schematic diagram showing a cross-sectional structure of a base of the present utility model.

Wherein: 1. a base; 2. a side plate; 3. a ramp; 4. a chute; 5. a connecting groove; 6. a first sliding block; 7. a second slide block; 8. a clamping groove I; 9. a clamping groove II; 10. a housing; 11. a motor; 12. a rotating shaft; 13. bevel gears I; 14. a first screw rod; 15. bevel gears II; 16. a second screw rod; 17. a knob; 18. a stretching roller; 19. and (3) a bearing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a polyethylene film stretching device, including base 1 and stretching roller 18, the upper end fixed mounting of base 1 has curb plate 2, the front and back both sides fixed mounting of curb plate 2 has slope 3, spout 4 has been seted up to the inside of curb plate 2, spread groove 5 has been seted up to the avris of curb plate 2, curb plate 2 bilateral symmetry is provided with two, spread groove 5 is located the upper end of slope 3, spread groove 5 extends to the inside of spout 4, the inside movable mounting of spout 4 has slider one 6 and slider two 7, draw-in groove one 8 has been seted up to the upper end of slider one 6, draw-in groove two 9 has been seted up to the lower extreme of slider two 7, slider one 6 is located the below of slider two 7, the up end of slider one 6 and the up end parallel and level of slope 3, stretching roller 18's both ends slide along slope 3 surface, pass spread groove 5 and get into spout 4, reduce the consumption of physical power, spout 4 plays guide effect spout 6 and slider two 7 play guide effect to slider one 6 and slider two 7;

the upper end of the base 1 is fixedly provided with a shell 10, the inside of the shell 10 is fixedly provided with a motor 11, the inside of the shell 10 is rotationally provided with a rotating shaft 12, the outside of the rotating shaft 12 is fixedly provided with a first bevel gear 13, the output end of the motor 11 is fixedly connected with the rotating shaft 12, the motor 11 and the rotating shaft 12 are respectively provided with two front and back parts, the outside of the rotating shaft 12 is respectively provided with two bevel gears 13, the inside of the side plate 2 is rotationally provided with a first screw rod 14, the lower end of the first screw rod 14 is fixedly provided with a second bevel gear 15, the first screw rod 14 is vertical to the base 1, the second bevel gear 15 is in meshed connection with the first bevel gear 13, the first screw rod 14 is in threaded connection with a first slide block 6, the motor 11 drives the rotating shaft 12 to rotate, the first bevel gear 13 drives the first screw rod 14 to rotate along with the rotating shaft 12 through the second bevel gear 15, and the first screw rod 14 drives the first slide block 6 to move up and down;

the screw rod II 16 is arranged on the inner thread of the upper end of the side plate 2, the knob 17 is fixedly arranged on the upper end of the screw rod II 16, the bearing 19 is sleeved and arranged on the outer side of the stretching roller 18, the screw rod II 16 is respectively arranged at the upper end of the side plate 2, the lower end of the screw rod II 16 is rotationally connected with the slide block II 7, the slide block II 7 is movably connected with the outer side of the screw rod I14, the screw rod II 16 is driven to rotate by the rotary knob 17, and the slide block II 7 is driven to move up and down by the screw rod II 16.

Working principle: firstly, the motor 11 is started to drive the rotating shaft 12 to rotate, the bevel gear I13 rotates along with the rotating shaft 12, the bevel gear I13 drives the screw rod I14 to rotate through the bevel gear II 15, the sliding groove 4 plays a guiding role on the sliding block I6, the screw rod I14 drives the sliding block I6 to move up and down, after the sliding block I6 moves to the bottommost part, two ends of the stretching roller 18 slide upwards along the surface of the slope 3, the stretching roller passes through the connecting groove 5 to move to the upper end of the sliding block I6, the lower end of the bearing 19 is sleeved in the clamping groove I8, the rotating knob 17 drives the screw rod II 16 to rotate, the sliding groove 4 plays a guiding role on the sliding block II 7, the screw rod II 16 drives the sliding block II 7 to move up and down, the height of the stretching roller 18 is positioned, then the motor 11 is started again, the sliding block I6 is driven to move up until the sliding block I7 is attached to the lower end, at the moment, the upper end of the bearing 19 is sleeved in the clamping groove II 9, the fixing of the stretching roller 18 is completed, and when the sliding block I6 is required to move down to the bottommost part, the stretching roller 18 can be removed through the connecting groove 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Polyethylene film stretching device, including base (1) and stretching roller (18), its characterized in that: the utility model discloses a motor, including base (1), base, screw rod (2), screw rod (16), screw rod (19) are installed to the inside rotation of base (1), fixed mounting has curb plate (2) upper end of base (1), both sides fixed mounting has slope (3) around curb plate (2), spout (4) have been seted up to the inside of curb plate (2), spread groove (5) have been seted up to the avris of curb plate (2), the inside movable mounting of spout (4) has slider one (6) and slider two (7), draw-in groove one (8) have been seted up to the upper end of slider one (6), draw-in groove two (9) have been seted up to the lower extreme of slider two (7), the upper end fixed mounting of base (1) has casing (10), the inside fixed mounting of casing (10) has motor (11), the inside rotation of casing (10) installs pivot (12), the outside fixed mounting of pivot (12) has bevel gear one (13), the inside rotation of curb plate (2) installs lead screw one (14), the lower extreme fixed mounting of lead screw one (14) has bevel gear two (15), the inside rotation of lead screw one (16), lead screw one (16) is installed to the lower extreme of lead screw one (16), lead screw (16) is stretched out.

2. A polyethylene film stretching apparatus as claimed in claim 1, wherein: the side plates (2) are symmetrically arranged in a left-right mode, the connecting grooves (5) are arranged at the upper ends of the slopes (3), and the connecting grooves (5) extend to the inside of the sliding grooves (4).

3. A polyethylene film stretching apparatus as claimed in claim 1, wherein: the first sliding block (6) is positioned below the second sliding block (7), and the upper end face of the first sliding block (6) is flush with the upper end face of the slope (3).

4. A polyethylene film stretching apparatus as claimed in claim 1, wherein: the output end of the motor (11) is fixedly connected with the rotating shaft (12), two bevel gears (13) are respectively arranged on the outer side of the rotating shaft (12), and the motor (11) and the rotating shaft (12) are respectively arranged front and back.

5. A polyethylene film stretching apparatus as claimed in claim 1, wherein: the first screw rod (14) is perpendicular to the base (1), the second bevel gear (15) is in meshed connection with the first bevel gear (13), and the first screw rod (14) is in threaded connection with the first slider (6).

6. A polyethylene film stretching apparatus as claimed in claim 1, wherein: the two screw rods II (16) are respectively arranged at the upper ends of the side plates (2), the lower ends of the screw rods II (16) are rotatably connected with the slide blocks II (7), and the slide blocks II (7) are movably connected with the outer sides of the screw rods I (14).