CN113071950A

CN113071950A - Automatic stripping off device of long sticky tape of sheet stock and basement membrane and rubberizing machine

Info

Publication number: CN113071950A
Application number: CN202110509174.0A
Authority: CN
Inventors: 郑俭; 高华; 王海堂; 孙倩
Original assignee: Wuxi Novo Automation Technology Corp Ltd
Current assignee: Wuxi Novo Automation Technology Corp Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-07-06

Abstract

The invention discloses an automatic stripping device and a gluing machine for a long sheet adhesive tape and a bottom film, wherein the automatic stripping device comprises a stripping platform and a stripping clamping hand assembly, the stripping platform comprises a bottom plate, a fixed platform, a movable platform and a platform driving device, the outer side of at least one end of the fixed platform is provided with the movable platform which can be movably assembled on the bottom plate, the platform driving device drives the movable platform to be close to or far away from the fixed platform, the movable platform is provided with a pressing device, the stripping clamping hand assembly is arranged on the two outer sides of the stripping platform and comprises a clamping hand moving module and a long adhesive tape clamping hand, the clamping hand moving module drives the long adhesive tape clamping hand to transversely move to the end part of the long adhesive tape, the long adhesive tape clamping hand clamps the end part of the long adhesive tape, and then the clamping hand moving module drives the long adhesive tape clamping hand to ascend to. The automatic stripping device has good universality and can be compatible with the adhesive tape with the length of 220-350 mm; and the stripping process has good stability and reliability.

Description

Automatic stripping off device of long sticky tape of sheet stock and basement membrane and rubberizing machine

Technical Field

The invention belongs to the technical field of automatic rubberizing of backlight sources, and particularly relates to an automatic stripping device for a long sheet material adhesive tape and a bottom film and a rubberizing machine.

Background

The adhesive tape is an important part for backlight source assembly, the material form of the adhesive tape is sheet material, a plurality of adhesive tapes are arranged on one sheet material, and one adhesive tape is taken each time and attached to the appointed position of a corresponding product. Because the sticky tape is long and thin, soft characteristics moreover, artifical attached inefficiency, along with attached required precision is higher and higher, the cost of labor is higher and higher, realizes automatic operation, and it is a trend to replace the manual work.

The realization of high-precision automatic operation of the long adhesive tape is always a difficult problem in the industry, and particularly, the separation of the adhesive tape from the release bottom film is a first difficulty in realizing automatic sticking of the long adhesive tape. In the existing adhesive tape sticking process, the bottom film at the end part of the sheet material needs to be peeled off firstly to expose the end part of the adhesive tape, and then the long adhesive tape is automatically peeled off from the release bottom film through the sucking disc. However, in practical applications, the existing automatic peeling device for a long adhesive tape and a base film generally has the disadvantages of poor universality and poor peeling stability and reliability.

Disclosure of Invention

The invention aims to provide an automatic stripping device for a long sheet adhesive tape and a bottom film, and aims to solve the problems of poor universality and poor stripping stability and reliability of the automatic stripping device for the long sheet adhesive tape and the bottom film in the prior art.

The invention also aims to provide a rubberizing machine to solve the problems of poor universality and poor stability and reliability of long adhesive tape stripping of the rubberizing machine in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic stripping device for a long adhesive tape and a bottom film of a sheet material comprises:

the stripping platform comprises a base plate, a fixed platform, a movable platform and a platform driving device, wherein the fixed platform is fixed on the base plate, the movable platform which can be movably assembled on the base plate is arranged on the outer side of at least one end of the fixed platform, the platform driving device drives the movable platform to be close to or far away from the fixed platform, pressing devices used for pressing the sheet stock basement membrane are arranged on the fixed platform and the movable platform,

the stripping clamping hand assembly is arranged on two outer sides of the stripping platform and comprises a clamping hand moving module and a long adhesive tape clamping hand, the clamping hand moving module drives the long adhesive tape clamping hand to transversely move to the end part of the long adhesive tape, the long adhesive tape clamping hand clamps the end part of the long adhesive tape, and then the clamping hand moving module drives the long adhesive tape clamping hand to ascend to automatically strip the long adhesive tape from the bottom film.

Further, the below of base plate is provided with the mounting panel, be fixed with rotating electrical machines on the mounting panel, rotating electrical machines's drive end connect in on the base plate, through the rotating electrical machines drive the base plate is rotatory certain angle to carry out position control to the sheet stock on peeling off the platform.

Furthermore, a bottom plate is arranged below the mounting plate, a longitudinal linear guide rail and a longitudinal electric cylinder which extend along the longitudinal direction are respectively arranged on two sides of the bottom plate, one side of the mounting plate is assembled on the longitudinal linear guide rail through a sliding block, the other side of the mounting plate is connected with the longitudinal electric cylinder through a connecting plate, and the longitudinal electric cylinder drives the sheet material on the stripping platform to the stripping position.

Furthermore, the outer sides of two ends of the fixed platform are respectively provided with a movable platform, and the bottom membrane of the sheet material adopts a three-section structure and comprises a middle bottom membrane and two end bottom membranes.

Furthermore, a transverse linear guide rail is fixed on the base plate, the moving platform is assembled on the transverse linear guide rail through a sliding block, the platform driving device comprises a servo motor, a lead screw and a lead screw nut, the servo motor is installed on the bottom plate and is in transmission connection with the lead screw, the lead screw can be assembled on the bottom plate in a rotating mode, and the lead screw nut is assembled on the lead screw and is fixedly connected with the moving platform.

Furthermore, the pressing device comprises a pressing cylinder fixed on the substrate, and a pressing plate is installed at the driving end of the pressing cylinder.

Further, the tong removes the module and includes horizontal tensioning electric cylinder, install the sideslip board on the horizontal tensioning electric cylinder, be provided with the lift cylinder on the sideslip board, the lifter plate is connected to the drive end of lift cylinder, long sticky tape tong pass through buffering straining device assemble in on the lifter plate.

Further, the buffering tensioning mechanism comprises a buffering plate, a short linear guide rail and a buffering spring, the long rubber belt clamp is fixed on the buffering plate, the short linear guide rail is fixed on the lifting plate along the horizontal direction, the buffering plate is movably installed on the short linear guide rail through a sliding block, one end of the buffering spring is connected to the lifting plate, and the other end of the buffering spring is connected to the buffering plate.

Furthermore, the long adhesive tape tong comprises two clamping jaws, and non-stick adhesive layers are arranged on clamping surfaces of the two clamping jaws.

A gluing machine comprises the device for automatically stripping the long adhesive tape and the bottom film of the sheet material.

Compared with the prior art, the automatic stripping device for the long adhesive tape and the bottom film of the sheet material has the following advantages:

1) the stripping platform adopts a split structure, can be compatible with adhesive tapes with the lengths of 220-350mm, adjusts the whole size of the stripping platform by the mobile platform to match the length of the sheet stock actually produced, and has good universality;

2) the two ends of the long adhesive tape are clamped by the clamping hands for automatic stripping, so that the stability and reliability of the stripping process are high;

3) the clamping hand is provided with a buffer tensioning mechanism to avoid deformation or breakage of the adhesive tape;

4) the peeling platform can integrally rotate to compensate the angle of the sheet material on the peeling platform, and the clamping hands can accurately clamp the end of the long adhesive tape.

Drawings

FIG. 1 is a schematic perspective view of an apparatus for automatically peeling a long adhesive tape from a carrier film of a sheet according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a peeling platform of an automatic apparatus for peeling a long adhesive tape from a carrier film of a sheet material according to an embodiment of the present invention;

fig. 3 is a perspective view of a peeling gripper assembly of an automatic peeling apparatus for a long adhesive tape and a carrier film of a sheet material according to an embodiment of the present invention.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in the present embodiment, an automatic separating apparatus for end portion and bottom film of a sheet includes a peeling platform for placing a sheet 22 and two sets of peeling gripper assemblies 1 respectively disposed at left and right ends of the peeling platform, the peeling platform includes a bottom plate 2, a mounting plate 3, a base plate 4, a fixed platform 5 and two moving platforms 6, a longitudinal linear guide 7 and a longitudinal electric cylinder 8 extending along a longitudinal direction are fixed on the bottom plate 2 near two side edges, one side of the mounting plate 3 is assembled on the longitudinal linear guide 7 through a slider, the other side is connected to the longitudinal electric cylinder 8 through a connecting plate, the base plate 4 is rotatably disposed above the mounting plate 3, a rotating motor fixed on the mounting plate 3 is connected to the base plate 4, the fixed platform 5 is fixed at a middle position of the base plate 4, a transverse linear guide 9 is fixed on the base plate 4, the two moving platforms 6 are mounted on the transverse linear, the two moving platforms 6 are located at the outer sides of two ends of the fixed platform 5 in the horizontal direction, the fixed platform 5 and the two moving platforms 6 are located at the same height, two sets of platform driving devices are arranged on the base plate 4 in a matched mode with the two moving platforms 6, each platform driving device comprises a servo motor, a lead screw and a lead screw nut, the servo motors are installed on the base plate 4 and are in transmission connection with the lead screws, the lead screws can be rotatably assembled on the bottom plate, and the lead screw nuts are assembled on the lead screws and are fixedly connected with the moving platforms 6. The two moving platforms 6 are driven to be close to or far away from the fixed platform 5 through the platform driving device, so that the overall size of the stripping platform is adjusted to match the length of the sheet stock actually produced, the adhesive tape with the length of 220-350mm can be compatible, the stripping platform does not need to be frequently replaced, and the working efficiency is improved.

The base plate 4 is matched with the fixing platform 5 and the two moving platforms 6, the two pressing cylinders 10 are arranged on the base plate 4, the two pressing cylinders 10 are vertically fixed on the base plate 4, the driving ends of the two pressing cylinders are arranged upwards, the pressing plate 11 is installed at the driving end of each pressing cylinder 10, and the pressing cylinders 10 press and fix the sheet materials on the stripping platform from top to bottom through the pressing plates 11.

The stripping clamping hand assembly 1 comprises a support 12, a clamping hand moving module and a long rubber belt clamping hand 13, wherein the clamping hand moving module comprises a transverse tensioning electric cylinder 14 horizontally mounted on the support 12, a transverse moving plate 15 is mounted on the transverse tensioning electric cylinder 14, a lifting cylinder 16 is arranged on the transverse moving plate 15, the driving end of the lifting cylinder 16 is connected with a lifting plate 17, a short linear guide rail 18 is fixed on the lifting plate 17 along the horizontal direction, a buffer plate 19 is movably mounted on the short linear guide rail 18 through a sliding block, the long rubber belt clamping hand 13 is fixed on the buffer plate 19, one end of a buffer spring 20 is connected onto the lifting plate 17, the other end of the buffer spring is connected onto the buffer plate 19, the long rubber belt clamping hand 13 comprises two clamping jaws, and non-adhesive metal layers are plated on clamping surfaces of the two clamping jaws. One end of the traverse moving plate 15 close to the peeling platform is provided with a visual positioning camera 21, and the visual positioning camera 21 is electrically connected with a rotating motor.

When the automatic peeling machine works, the distance between the fixed platform 5 and the two moving platforms 6 needs to be adjusted in advance according to the specification of a sheet material to be operated, the automatic material moving mechanism places the sheet material 22 on the fixed platform 6 and the two moving platforms 6, the sheet material is pressed and fixed through the pressing air cylinder 10, both ends of a long adhesive tape on the sheet material 22 extend out of the basement membrane at the moment, the visual positioning camera 21 collects the position information of the long adhesive tape on the sheet material 22, if the long adhesive tape deviates from the positions of long adhesive tape clamping hands 13 at both ends, the base plate 4 is driven to rotate for a certain angle through the rotating motor, the long adhesive tape on the sheet material 22 corresponds to the long adhesive tape clamping hands 13 at both ends, the transverse tensioning electric cylinder 14 drives the long adhesive tape clamping hands 13 to transversely move to the end parts of the long adhesive tape, the two end parts of the long adhesive tape are clamped and tensioned through the two long adhesive tape clamping hands 13, the lifting air cylinder 16 drives, the stripped long adhesive tape is moved to an adhesive tape sticking station, and the longitudinal electric cylinder 8 drives the stripping platform to integrally move forward for a material distance so as to strip the next adjacent long adhesive tape.

The automatic separating device for the end base films of the sheet materials in the embodiment is suitable for the sheet materials of which the base films are of a three-section structure, and the base films of the sheet materials comprise a middle base film and two end base films.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a long sticky tape of sheet material and automatic stripping off device of basement membrane which characterized in that, it includes:

2. The device for automatically peeling off the long adhesive tape and the base film of the sheet material according to claim 1, wherein a mounting plate is arranged below the base plate, a rotating motor is fixed on the mounting plate, and a driving end of the rotating motor is connected to the base plate.

3. The device for automatically peeling off the long adhesive tape and the base film of the sheet stock as claimed in claim 2, wherein a bottom plate is arranged below the mounting plate, a longitudinal linear guide rail and a longitudinal electric cylinder extending in the longitudinal direction are respectively arranged on two sides of the bottom plate, one side of the mounting plate is assembled on the longitudinal linear guide rail through a sliding block, the other side of the mounting plate is connected with the longitudinal electric cylinder through a connecting plate, and the longitudinal electric cylinder drives the sheet stock on the peeling platform to the peeling position.

4. The apparatus for automatically peeling a long tape from a base film on a sheet according to claim 1, wherein a moving platform is provided outside both ends of the fixed platform, and the base film of the sheet has a three-stage structure comprising a middle base film and two end base films.

5. The device for automatically peeling off the long adhesive tape and the base film according to claim 1, wherein a transverse linear guide is fixed on the base plate, the moving platform is assembled on the transverse linear guide through a sliding block, the platform driving device comprises a servo motor, a lead screw and a lead screw nut, the servo motor is installed on the base plate and is in transmission connection with the lead screw, the lead screw is rotatably assembled on the base plate, and the lead screw nut is assembled on the lead screw and is fixedly connected with the moving platform.

6. The device for automatically peeling off the long adhesive tape and the base film made of the sheet material according to claim 1, wherein the pressing device comprises a pressing cylinder fixed on the base plate, and a pressing plate is installed at the driving end of the pressing cylinder.

7. The device for automatically peeling off the long adhesive tape and the base film on the sheet material according to claim 1, wherein the gripper moving module comprises a transverse tensioning electric cylinder, a transverse tensioning plate is mounted on the transverse tensioning electric cylinder, a lifting cylinder is arranged on the transverse tensioning plate, a driving end of the lifting cylinder is connected with the lifting plate, and the long adhesive tape gripper is assembled on the lifting plate through a buffering tensioning mechanism.

8. The apparatus of claim 7, wherein said buffer tensioning mechanism comprises a buffer plate, a short linear guide and a buffer spring, said long tape gripper is fixed on said buffer plate, said short linear guide is fixed on said lifting plate along the horizontal direction, said buffer plate is movably mounted on said short linear guide by a slide block, one end of said buffer spring is connected to said lifting plate, and the other end of said buffer spring is connected to said buffer plate.

9. The apparatus of claim 1, wherein said long tape gripper comprises two jaws, and a non-stick layer is disposed on a gripping surface of said two jaws.

10. An adhesive tape dispenser comprising an automatic peeling device for peeling a long adhesive tape and a carrier film of a sheet material according to any one of claims 1 to 9.