CN211895330U

CN211895330U - Automatic unwinding device for PET (polyethylene terephthalate) film

Info

Publication number: CN211895330U
Application number: CN202020089814.8U
Authority: CN
Inventors: 曹劲松
Original assignee: Jiangsu Runji New Material Co ltd
Current assignee: Jiangsu Runji New Material Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-11-10
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses an automatic unwinding unit of PET film belongs to PET film processing equipment technical field, which comprises a frame, the side joint of frame has the bearing, the pivot has been cup jointed in the bearing, the fixed surface of pivot is connected with the driving gear, the bottom meshing of driving gear has driven gear to driven gear fixed connection is on the surface of connecting axle to the tip of connecting axle is located the spacing inslot that a connecting seat side was seted up, the ball groove has been seted up to the medial surface of spacing groove, ball inslot roll is connected with the ball to the cambered surface of ball and the cambered surface roll connection of connecting axle, the another side fixedly connected with slider of connecting seat. The utility model discloses in, through the cooperation of each other between driven gear, motor, driving gear, ball groove, spacing groove, electric putter and the connecting seat for the installation of reel or lift the simple and convenient of process ten minutes down, therefore alright improve the work efficiency of rolling machine to a certain extent.

Description

Automatic unwinding device for PET (polyethylene terephthalate) film

Technical Field

The utility model belongs to the technical field of the PET film processing equipment, especially, relate to an automatic unwinding unit of PET film.

Background

The PET film is a packaging film with relatively comprehensive performance. The transparency is good and the gloss is good; the air tightness and the fragrance retention are good; moderate moisture resistance and reduced moisture permeability at low temperatures. The PET film has excellent mechanical performance, the toughness is the best of all thermoplastic plastics, and the tensile strength and the impact strength are much higher than those of the common films; and the product has good stiffness and stable size, and is suitable for secondary processing of printing, paper bags and the like. The PET film also has excellent heat resistance, cold resistance and good chemical resistance and oil resistance.

In PET film production process, after the processing of film is accomplished, need use the coiling machine to wind into finished film with the film and roll up, general film is after the rolling is accomplished, need take out the film from the wind-up roll, carry out the rolling next time again, some rolling machines of current are at installation and the in-process complex operation who unloads the spool, and spool weight is big again, lead to working strength big and have the potential safety hazard, the continuity of production has been influenced so seriously, and the speed of production has been dragged slowly, consequently, need to an automatic unwinding unit of PET film to solve above-mentioned problem urgently.

Disclosure of Invention

The utility model aims to provide a: the automatic PET film unwinding device aims at solving the problems that some existing winding machines are complex in operation in the process of mounting and dismounting the winding shaft, the weight of the winding shaft is large, the working strength is high, potential safety hazards exist, the production continuity is seriously affected, and the production speed is slowed down.

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

the utility model provides an automatic rolling device down of PET film, includes the frame, the side joint of frame has the bearing, the pivot has been cup jointed in the bearing, the fixed surface of pivot is connected with the driving gear, the bottom meshing of driving gear has driven gear to driven gear fixed connection is on the surface of connecting axle, and the tip of connecting axle is located the spacing inslot that a connecting seat side was seted up, the ball groove has been seted up to the medial surface of spacing groove, the ball inslot roll is connected with the ball to the cambered surface of ball and the cambered surface roll connection of connecting axle, the another side fixedly connected with slider of connecting seat, slider sliding connection is in the spout that the frame medial surface was seted up to the inboard bottom of spout is through electric putter and the bottom fixed connection of slider.

As a further description of the above technical solution:

the number of the ball grooves is a plurality of, and the ball grooves are in an annular array by taking the axis of the connecting shaft as the circle center.

As a further description of the above technical solution:

the end part of the rotating shaft is fixedly connected with the end part of the motor output shaft, the motor is a stepping motor, and the motor body is fixedly connected with the side surface of the rack through a damping seat.

As a further description of the above technical solution:

the input end of the motor is electrically connected with the output end of the first switch through a wire, the input end of the electric push rod is electrically connected with the output end of the second switch through a wire, and the input ends of the first switch and the second switch are electrically connected with the output end of the power supply through wires.

As a further description of the above technical solution:

the first switch and the second switch are both arranged on the side face of the rack, and the power supply is arranged at the top of the rack.

As a further description of the above technical solution:

the cross-sectional shape of spout is the T font, the cross-sectional shape of slider is the T font.

As a further description of the above technical solution:

the surface of the connecting shaft is fixedly sleeved with a winding drum, and the winding drum is positioned between the two driven gears.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the cooperation of each other between driven gear, motor, driving gear, ball groove, spacing groove, electric putter and the connecting seat for the installation of reel or lift the simple and convenient of process ten minutes down, therefore alright improve the work efficiency of rolling machine to a certain extent.

2. The utility model discloses in, through setting up ball and ball groove, the ball can be at the ball inslot and the surface roll of connecting axle for the friction between connecting axle and the spacing groove is rolling friction, thereby can improve the stability of connecting axle at the rotation in-process, and through setting up slider and spout, the cross sectional shape of slider and spout is the T font, therefore alright improvement connecting axle can be at the stationary property of lift in-process.

Drawings

FIG. 1 is a schematic view of a front view of a cross-sectional structure of an automatic PET film unwinding device according to the present invention;

FIG. 2 is a schematic cross-sectional view of the connecting seat of the automatic PET film unwinding device according to the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a chute overlooking of the automatic roll-down device for PET film of the present invention.

Illustration of the drawings:

1. a frame; 2. a bearing; 3. a rotating shaft; 4. a motor; 5. a driving gear; 6. a driven gear; 7. a connecting shaft; 8. a reel; 9. a connecting seat; 10. a limiting groove; 11. a ball bearing; 12. a ball groove; 13. a slider; 14. a chute; 15. an electric push rod; 16. a power source; 17. a first switch; 18. a second switch.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an automatic PET film unwinding device comprises a machine frame 1, a bearing 2 is clamped on the side surface of the machine frame 1, a rotating shaft 3 is sleeved in the bearing 2, a driving gear 5 is fixedly connected to the surface of the rotating shaft 3, a driven gear 6 is meshed at the bottom of the driving gear 5, the motor 4 is enabled to run by arranging the driven gear 6, the driven gear 6 and the motor 4, an output shaft of the motor 4 can drive the rotating shaft 3 to rotate in the bearing 2 in the working process, because the driving gear 5 is mutually meshed with the driven gear 6 fixed on the surface of a connecting shaft 7, a winding drum 8 can be driven by the connecting shaft 7 to synchronously move and can wind PET films on the surface of the winding drum 8, the driven gear 6 is fixedly connected on the surface of the connecting shaft 7, the end part of the connecting shaft 7 is positioned in a limiting groove 10 formed in one side surface of a connecting seat 9, a ball groove, roll in the ball groove 12 and be connected with ball 11, through setting up ball 11 and ball groove 12, ball 11 can be in ball groove 12 and the surface roll of connecting axle 7, make the friction between connecting axle 7 and the spacing groove 10 be rolling friction, thereby can improve the stability of connecting axle 7 at the rotation in-process, and the cambered surface of ball 11 and the cambered surface roll connection of connecting axle 7, another side fixedly connected with slider 13 of connecting seat 9, slider 13 sliding connection is in the spout 14 that the medial surface was seted up in frame 1, and the bottom fixed connection of electric putter 15 with slider 13 is passed through to the inboard bottom of spout 14, through setting up slider 13 and spout 14, the cross-sectional shape of slider 13 and spout 14 is the T font, therefore alright improve the stationary performance of connecting axle 7 at the lift in-process.

Specifically, as shown in fig. 2, the number of the ball grooves 12 is several, and the several ball grooves 12 are in an annular array with the axis of the connecting shaft 7 as the center of circle.

Specifically, as shown in fig. 1, an end of the rotating shaft 3 is fixedly connected with an end of an output shaft of the motor 4, the motor 4 is a stepping motor 4, and a body of the motor 4 is fixedly connected with a side surface of the frame 1 through a shock absorption seat.

Specifically, as shown in fig. 1, the input end of the motor 4 is electrically connected to the output end of the first switch 17 through a wire, the input end of the electric push rod 15 is electrically connected to the output end of the second switch 18 through a wire, and by arranging the electric push rod 15, the electric push rod 15 retracts, so that the winding drum 8 can be driven to move downwards, the height of the winding drum 8 is reduced, the working personnel can conveniently take out the winding drum 8 from the limiting groove 10 by using a hand-propelled forklift, and the input ends of the first switch 17 and the second switch 18 are electrically connected to the output end of the power supply 16 through wires.

Specifically, as shown in fig. 1, the first switch 17 and the second switch 18 are disposed on the side of the rack 1, and the power supply 16 is disposed on the top of the rack 1.

Specifically, as shown in fig. 3, the slide groove 14 has a T-shaped cross section, and the slider 13 has a T-shaped cross section.

Specifically, as shown in fig. 1, a winding drum 8 is fixedly sleeved on the surface of the connecting shaft 7, and the winding drum 8 is located between the two driven gears 6.

The working principle is as follows: when in use, the first switch 17 is operated to enable the motor 4 to operate, the output shaft of the motor 4 can drive the rotating shaft 3 to rotate in the bearing 2 in the working process, so that the driving gear 5 can be driven to rotate, the driving gear 5 is meshed with the driven gear 6 fixed on the surface of the connecting shaft 7, the end part of the connecting shaft 7 is positioned in the limiting groove 10 and is in rolling connection with the ball 11 in the limiting groove 10, so that the winding drum 8 can be driven to synchronously act through the connecting shaft 7 and the PET film can be wound on the surface of the winding drum 8, after the weight or the thickness of the PET film on the surface of the winding drum 8 reaches the standard, the second switch 18 is operated to enable the electric push rod 15 to retract, so that the winding drum 8 can be driven to descend, the height of the winding drum 8 is reduced, a worker can conveniently take out the winding drum 8 from the limiting groove 10 by using a hand-push forklift, the connecting shaft 7 on a new, the second switch 18 is operated again to extend the electric push rod 15 until the driven gear 6 is engaged with the driving gear 5, so as to complete the installation of the winding drum 8, and the installation or removal process of the winding drum 8 is very simple, thereby improving the working efficiency of the winding drum 8 machine to a certain extent.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic lower rolling device of PET film, includes frame (1), its characterized in that, the side joint of frame (1) has bearing (2), pivot (3) have cup jointed in bearing (2), the fixed surface of pivot (3) is connected with driving gear (5), the bottom meshing of driving gear (5) has driven gear (6) to driven gear (6) fixed connection is on the surface of connecting axle (7), and the tip of connecting axle (7) is located spacing groove (10) that connecting seat (9) a side was seted up, ball groove (12) have been seted up to the medial surface of spacing groove (10), roll in ball groove (12) and be connected with ball (11) to the cambered surface of ball (11) and the cambered surface roll connection of connecting axle (7), another side fixedly connected with slider (13) of connecting seat (9), the sliding block (13) is connected in a sliding groove (14) formed in the inner side face of the rack (1) in a sliding mode, and the bottom of the inner side of the sliding groove (14) is fixedly connected with the bottom of the sliding block (13) through an electric push rod (15).

2. The automatic PET film unwinding device according to claim 1, wherein the number of the ball grooves (12) is several, and the several ball grooves (12) are in an annular array with the axis of the connecting shaft (7) as the center.

3. The automatic PET film unwinding device according to claim 1, wherein the end of the rotating shaft (3) is fixedly connected with the end of the output shaft of the motor (4), the motor (4) is a stepping motor (4), and the body of the motor (4) is fixedly connected with the side surface of the frame (1) through a shock absorption seat.

4. The automatic PET film unwinding device according to claim 3, wherein the input end of the motor (4) is electrically connected with the output end of a first switch (17) through a conducting wire, the input end of the electric push rod (15) is electrically connected with the output end of a second switch (18) through a conducting wire, and the input ends of the first switch (17) and the second switch (18) are electrically connected with the output end of a power supply (16) through conducting wires.

5. An automatic PET film unwinding device according to claim 4, characterized in that the first switch (17) and the second switch (18) are arranged on the side of the frame (1), and the power supply (16) is arranged on the top of the frame (1).

6. The automatic PET film unwinding device according to claim 1, wherein the chute (14) has a T-shaped cross section and the slide (13) has a T-shaped cross section.

7. An automatic PET film unwinding device according to claim 1, characterized in that the surface of the connecting shaft (7) is fixedly sleeved with a winding drum (8), and the winding drum (8) is located between the two driven gears (6).