CN211392649U

CN211392649U - Polaroid feeding mechanism of polaroid attaching machine

Info

Publication number: CN211392649U
Application number: CN201922338544.XU
Authority: CN
Inventors: 邓继
Original assignee: Dongguan Depute Electronics Co ltd
Current assignee: Dongguan Depute Electronics Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-01
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a polaroid feeding mechanism of a polaroid attaching machine, which comprises a first conveying device and a second conveying device, a pressing block and a stop block which are arranged on the first conveying device and the second conveying device, wherein the first conveying device/the second conveying device comprises a fixed frame, a first belt guide wheel which is arranged at one end of the fixed frame and is rotationally connected, a second belt guide wheel which is arranged at the other end of the fixed frame and is rotationally connected, a conveying belt which is respectively sleeved on the first belt guide wheel and the second belt guide wheel and is in transmission connection, at least one supporting wheel which is arranged between the first belt guide wheel and the second belt guide wheel and is rotationally connected with the fixed frame, the outer diameters of the first belt guide wheel, the second belt guide wheel and the supporting wheel are the same, the pressing block is arranged on the conveying belt, and a certain inclination angle is formed between the conveying direction of the conveying belt and the horizontal plane, the utility model has the advantages of simple structure is reliable stable, can prevent polaroid bottom scratch.

Description

Polaroid feeding mechanism of polaroid attaching machine

Technical Field

The utility model relates to a polaroid pay-off field especially relates to a polaroid feeding mechanism of polaroid attacher.

Background

The polaroid is mainly made by compounding PVA film, TAC film, PET protection film, PET release film, pressure sensitive adhesive and the like, is mostly used for electronic products, especially the field of mobile phones, in order to realize the thickness control of the mobile phone in the current mobile phone market, the requirement on the thickness of the polaroid is within 0.1mm, when the polaroid is acted by external force, the condition of edge scratch is very easy to appear on the polaroid with thinner thickness, and then appearance is poor, the appearance performance technical index of the polaroid mainly refers to the surface smoothness and the number of appearance default points of the polaroid product, and the technical indexes mainly influence the yield of the polaroid product after surface mounting. These technical indexes are generally consistent in the polarizer industry, and generally, the scratch size of each polarizer product (500 × 1000 mm) is less than or equal to 15 and not more than 150 μm, and when the polarizer is scratched, the display effect is seriously affected, which results in a technical problem of low yield.

In the attaching process of the polarizer, the polarizer needs to be subjected to the actions of feeding → carrying → film tearing → attaching, and the like, and the poor scratch is most likely to occur in the feeding step in the actions, as shown in fig. 1, in the original sliding type feeding mode of the polarizer, the metal block 01 drives the polarizer 02 to slide down from the bottom 03 of the trough, and the bottom of the polarizer 02 with a thinner thickness is easily scratched, so that the production efficiency of the material product is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a can effectively prevent polaroid bottom scratch, simple structure reliable stable, improve production efficiency's polaroid laminating machine's polaroid feeding mechanism.

In order to achieve the above object, the utility model provides a polarizer feeding mechanism of polarizer attaching machine, comprising a first conveying device and a second conveying device which are symmetrically arranged, a pressing block arranged on the first conveying device and the second conveying device, a stop block arranged between the first conveying device and the second conveying device, wherein the first conveying device/the second conveying device comprises a fixed frame, a first belt guide wheel rotationally connected with one end of the fixed frame, a second belt guide wheel rotationally connected with the other end of the fixed frame, a conveying belt respectively sleeved on the first belt guide wheel and the second belt guide wheel and in transmission connection with the first belt guide wheel and the second belt guide wheel, at least one supporting wheel rotationally connected with the fixed frame and arranged between the first belt guide wheel and the second belt guide wheel, the outer diameters of the first belt guide wheel, the second belt guide wheel and the supporting wheel are the same, the briquetting is installed on the conveyer belt, be certain angle of inclination setting between the direction of transportation of conveyer belt and horizontal plane.

Preferably, the mount includes first mount, installs the second mount in first mount one end, it has waist type hole to open on the second mount, the second mount passes waist type hole and first mount fixed connection through the screw, first belt leading wheel and supporting wheel are installed respectively and are rotated on first mount and be connected, the second belt leading wheel is installed and is rotated on the second mount and be connected.

Preferably, five supporting wheels which are rotatably connected with the first fixing frame are arranged between the first belt guide wheel and the second belt guide wheel.

Preferably, the supporting wheel is a double-bearing supporting wheel.

Preferably, the conveying direction of the conveying belt is inclined at an angle of 30 degrees with respect to the horizontal plane.

Preferably, the maximum distance between the conveying belt on the first conveying device and the conveying belt on the second conveying device is 85-105 mm.

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

the utility model is provided with a first conveying device and a second conveying device, a pressing block arranged on the first conveying device and the second conveying device, a stop block arranged between the first conveying device and the second conveying device, and a laminated polaroid arranged between the pressing block and the stop block, when the polaroid close to the stop block is taken out, the press block drives the remaining polaroids to synchronously move with the conveyer belts on the first conveyer device and the second conveyer device due to gravity, and the polaroids do not move relative to the conveyer belts, so that the bottom positions of the polaroids cannot be abraded, because the external diameter of first belt leading wheel, second belt leading wheel and supporting wheel is the same for good depth of parallelism can be guaranteed to the conveyer belt when the transportation, avoids the bad phenomenon that the conveyer belt middle part sinks to take place, the utility model has the advantages of simple structure is reliable stable, can prevent polaroid bottom scratch.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic plan view of a polarizer feeding mechanism in the prior art provided by the present invention;

fig. 2 is a first structural schematic diagram of a polarizer feeding mechanism of a polarizer attaching machine according to the present invention;

fig. 3 is a second schematic structural diagram of a polarizer feeding mechanism of a polarizer attaching machine according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

fig. 5 is a schematic plan view of a polarizer feeding mechanism of a polarizer attaching machine according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 2 and fig. 3, the utility model provides a polarizer feeding mechanism of polarizer attaching machine, comprising a first conveying device 1 and a second conveying device 2 which are symmetrically arranged, a pressing block 3 arranged on the first conveying device 1 and the second conveying device 2, a stop block 4 arranged between the first conveying device 1 and the second conveying device 2, wherein the first conveying device 1/the second conveying device 2 comprises a fixing frame 11, a first belt guide wheel 12 arranged at one end of the fixing frame 11 and rotatably connected, a second belt guide wheel 13 arranged at the other end of the fixing frame 11 and rotatably connected, a conveying belt 14 respectively sleeved on the first belt guide wheel 12 and the second belt guide wheel 13 and rotatably connected with the fixing frame 11, and at least one supporting wheel 15 arranged between the first belt guide wheel 12 and the second belt guide wheel 13 and rotatably connected with the fixing frame 11, the external diameter of first belt leading wheel 12, second belt leading wheel 13 and supporting wheel 15 is the same, briquetting 3 is installed on conveyer belt 14, be certain angle of inclination setting between the direction of transportation of conveyer belt 14 and the horizontal plane.

Specifically, the position between the pressing block 3 and the stop block 4 is provided with the polarizer 02 for storing the lamination, when the polarizer 02 close to the stop block 4 is taken out, the pressing block 3 drives the remaining polarizer 02 to move synchronously with the conveyer belts 14 on the first conveyer device 1 and the second conveyer device 2 due to gravity, and no relative movement exists between the polarizer 02 and the conveyer belts 14, so that the bottom position of the polarizer 02 cannot be abraded, and because the outer diameters of the first belt guide wheel 12, the second belt guide wheel 13 and the support wheel 15 are the same, the conveyer belts 14 can ensure good parallelism during transportation, and the occurrence of the bad phenomenon of the middle collapse of the conveyer belts 14 is avoided.

As shown in fig. 4, the fixing frame 11 includes a first fixing frame 111 and a second fixing frame 112 installed at one end of the first fixing frame 111, a waist-shaped hole 1121 is formed in the second fixing frame 112, the second fixing frame 112 passes through the waist-shaped hole 1121 to be fixedly connected with the first fixing frame 111 through a screw, the first belt guide wheel 12 and the support wheel 15 are respectively installed on the first fixing frame 111 to be rotatably connected, the second belt guide wheel 13 is installed on the second fixing frame 112 to be rotatably connected, and the relative position of the second fixing frame 112 on the first fixing frame 111 can be adjusted through the waist-shaped hole 1121, so that the distance between the first belt guide wheel 12 and the second belt guide wheel 13 is adjusted, thereby playing a role of tensioning the conveyer belt 14 and avoiding a bad phenomenon that the middle part of the conveyer belt 14 is collapsed due to the gravity of the pressing block 3 and the stacked polarizer 02.

As shown in fig. 2 and 3, in consideration of the structure of the polarizer attaching machine and the length of the laminated polarizer 02, five support wheels 15 rotatably connected to the first fixing frame 111 are installed between the first belt guide wheel 12 and the second belt guide wheel 13, and the support wheels 15 are dual-bearing support wheels, so that the contact area between the support wheels 15 and the conveying belt 14 is increased, and the occurrence of the undesirable phenomenon that the middle part of the conveying belt 14 is collapsed due to the gravity of the pressing block 3 and the laminated polarizer 02 is further avoided.

As shown in fig. 5, considering the weight of the pressing block 3, the laminated polarizer 02 and the friction factor of the conveyer belt 14, the transportation direction of the conveyer belt 14 is set at an inclination angle of 30 degrees with respect to the horizontal plane, when the inclination angle is too small, the pressing block 3 cannot drive the laminated polarizer 02 and the conveyer belt 14 to move synchronously, and when the inclination angle is too large, the acceleration of the pressing block 3 is too large, which may cause the laminated polarizer 02 and the conveyer belt 14 to slide relatively, thereby scratching the polarizer 02.

The maximum distance between the conveyer belts 14 on the first conveyer 1 and the conveyer belts 14 on the second conveyer 2 is 85-105mm in consideration of the width of the polarizer 02 to be fed.

To sum up, the utility model has the advantages of simple structure is reliable stable, can prevent polaroid bottom scratch.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The polaroid feeding mechanism of the polaroid attaching machine is characterized by comprising a first conveying device (1) and a second conveying device (2) which are symmetrically arranged, a pressing block (3) arranged on the first conveying device (1) and the second conveying device (2), a stop block (4) arranged between the first conveying device (1) and the second conveying device (2), wherein the first conveying device (1)/the second conveying device (2) comprises a fixing frame (11), a first belt guide wheel (12) arranged at one end of the fixing frame (11) in a rotating connection mode, a second belt guide wheel (13) arranged at the other end of the fixing frame (11) in a rotating connection mode, conveying belts (14) respectively sleeved on the first belt guide wheel (12) and the second belt guide wheel (13) in a transmission connection mode, and at least one supporting wheel(s) (arranged between the first belt guide wheel (12) and the second belt guide wheel (13) and in a rotating connection with the fixing frame (11) 15) The outer diameters of the first belt guide wheel (12), the second belt guide wheel (13) and the supporting wheel (15) are the same, the pressing block (3) is arranged on the conveying belt (14), and a certain inclination angle is formed between the conveying direction of the conveying belt (14) and the horizontal plane.

2. A polarizer feeding mechanism of a polarizer attaching machine according to claim 1, wherein the fixing frame (11) comprises a first fixing frame (111), a second fixing frame (112) installed at one end of the first fixing frame (111), the second fixing frame (112) is provided with a waist-shaped hole (1121), the second fixing frame (112) passes through the waist-shaped hole (1121) through a screw to be fixedly connected with the first fixing frame (111), the first belt guide wheel (12) and the supporting wheel (15) are respectively installed on the first fixing frame (111) for rotation connection, and the second belt guide wheel (13) is installed on the second fixing frame (112) for rotation connection.

3. A polarizer feeding mechanism of a polarizer attaching machine according to claim 2, wherein five supporting wheels (15) rotatably connected to the first fixing frame (111) are installed between the first belt guiding wheel (12) and the second belt guiding wheel (13).

4. A polarizer feeding mechanism of a polarizer attaching machine according to claim 1, wherein the supporting wheel (15) is a double bearing supporting wheel.

5. A polarizer feeding mechanism of a polarizer attaching machine according to claim 1, wherein the transporting direction of the transporting belt (14) is set at an inclined angle of 30 degrees with respect to a horizontal plane.

6. A polarizer feeding mechanism of a polarizer attaching machine according to claim 1, wherein the maximum distance between the conveyer belt (14) on the first conveyer (1) and the conveyer belt (14) on the second conveyer (2) is 85-105 mm.