CN213843701U

CN213843701U - Polaroid attaching device

Info

Publication number: CN213843701U
Application number: CN202023160163.6U
Authority: CN
Inventors: 杨美高
Original assignee: Shenzhen Baling Union Equipment Co ltd
Current assignee: Shenzhen Baling Union Equipment Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-30
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an attached technical field discloses an attached device of polaroid. The polaroid attaching device comprises a bracket, a first middle roller shaft and a second middle roller shaft, wherein the first middle roller shaft and the second middle roller shaft are arranged at intervals on the bracket and are positioned on the same horizontal plane; the first roll shaft is arranged on one side of the bracket, and a film belt is wound on the first roll shaft; the second roll shaft is arranged on the bracket, the film belt on the first roll shaft is sequentially wound around the first middle roll shaft and the second middle roll shaft and then is wound to the second roll shaft, and the part of the film belt between the first middle roll shaft and the second middle roll shaft is an attachment area for attaching the polaroid; a first clamping assembly for clamping one end of the film strip in the attachment region; a second clamping assembly for clamping the other end of the film strip in the attachment area; and the tensioning assembly can drive the film belt to move towards the direction away from the second middle roller shaft so as to tension the film belt. The beneficial effects are as follows: it occupies less space and has lower production cost.

Description

Polaroid attaching device

Technical Field

The utility model relates to an attached technical field especially relates to an attached device of polaroid.

Background

The polaroid is an optical film which is formed by compounding multiple layers of high molecular materials and has the function of generating polarized light; the polarizer can convert natural light without polarization into polarized light, so that light in a direction perpendicular to an electric field passes through the polarizer, and the liquid crystal display can normally display images, namely the polarizer is an essential component for the liquid crystal display to be capable of imaging.

In the manufacturing process of the liquid crystal display, it is necessary to attach a polarizer to a glass substrate to which a flexible circuit board has been attached. In order to attach the polarizer to the glass substrate with high alignment precision, the glass substrate needs to be cleaned and then flows into a chip mounter, and the specific position of the glass substrate is determined by photographing and aligning; then, the polarizer is attached to the film belt through the polarizer attaching device, and photographing alignment is carried out to determine the specific position of the polarizer; and finally, the polaroid with the determined position is attached to the glass substrate, so that the good attaching precision of the polaroid and the glass substrate can be ensured. Wherein the film strip is sheet. sheet refers to a film tape of a special material, also called steel tape or transfer paper; since there are few attaching bubbles generated when attaching the polarizer to the sheet, and the sheet is not easy to damage the polarizer, the sheet has been widely used in attaching flexible products.

However, the overall structure of the conventional attaching device for attaching the polarizer to the sheet is a vertical structure, that is, the sheet is vertically arranged, and the polarizer is attached to the sheet in an inverted hanging manner, so that when the polarizer with a larger size is attached, the sheet with a longer length in the vertical direction is needed, and therefore the whole attaching device occupies a larger space, has poor stability and is higher in production cost.

Therefore, a polarizer attaching apparatus is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an attached device of polaroid can make the polaroid attached to the film belt more accurately, and has the characteristics that occupation space is less, stability is better and manufacturing cost is lower.

To achieve the purpose, the utility model adopts the following technical proposal:

a polarizer attaching apparatus includes:

the support is provided with a first intermediate roll shaft and a second intermediate roll shaft which are arranged at intervals and positioned on the same horizontal plane;

the first roller shaft is arranged on one side of the bracket, and a film belt is wound on the first roller shaft;

the second roll shaft is arranged on the bracket and is positioned on the opposite side of the bracket on which the first roll shaft is arranged, the film belt on the first roll shaft is sequentially wound around the first intermediate roll shaft and the second intermediate roll shaft and then is wound to the second roll shaft, and the part of the film belt positioned between the first intermediate roll shaft and the second intermediate roll shaft is an attachment area for attaching the polaroid;

the first clamping assembly is arranged on one side, close to the first middle roller shaft, of the support and is used for clamping one end of the film strip in the attaching area;

the second clamping assembly is arranged on one side, close to the second intermediate roller shaft, of the support and is used for clamping the other end of the film strip in the attaching area;

the tensioning assembly is arranged on the support and located between the second middle roller shaft and the second roller shaft, and the tensioning assembly can drive the film belt wound on the second middle roller shaft to move in the direction away from the second middle roller shaft so as to tension the film belt located in the attachment area.

Preferably, the polarizer attaching apparatus further includes:

and the third roller shaft is arranged on the bracket and used for separating and winding the release film on the film belt so as to enable the top end surface of the film belt in the attachment area to have viscosity and adhere the polaroid.

Preferably, the polarizer attaching apparatus further includes:

a third intermediate roller shaft disposed on the bracket and adjacent to the first roller shaft;

a fourth intermediate roller shaft disposed on the bracket and adjacent to the third intermediate roller shaft;

a fifth intermediate roller disposed on the bracket and adjacent to the fourth intermediate roller, the fifth intermediate roller being positioned between the fourth intermediate roller and the first intermediate roller; and the film belt on the first roller shaft is sequentially wound on the third intermediate roller shaft, the fourth intermediate roller shaft, the fifth intermediate roller shaft and the first intermediate roller shaft.

Preferably, the first clamping assembly comprises:

the fixed end of the first driving piece is arranged on the bracket;

the first abutting connection piece is connected with the output end of the first driving piece;

the first driving part is used for driving the first abutting part to move towards the direction close to the elastic part and abut against the elastic part so as to clamp one end of the film belt in the attaching area between the fifth intermediate roller shaft and the elastic part.

Preferably, the elastic member is a super glue.

Preferably, the first drive member is a cylinder.

Preferably, the second clamping assembly comprises:

the second driving piece is positioned between the second intermediate roller shaft and the second roller shaft, and the fixed end of the second driving piece is connected with the bracket;

the second abutting connection piece is connected with the output end of the second driving piece;

the third abutting-connection piece is fixedly arranged on the support, the third abutting-connection piece is arranged right opposite to the top end of the second abutting-connection piece, and the film belt horizontally penetrates through the space between the second abutting-connection piece and the third abutting-connection piece and is wound to the second roller shaft; the second driving piece is used for driving the second abutting part to move vertically upwards and towards the direction close to the third abutting part and abut against the third abutting part, so that the other end of the film strip in the attaching area is clamped between the second abutting part and the third abutting part.

Preferably, a plurality of grooves are formed in one side, close to the third abutting part, of the second abutting part at intervals, a plurality of protrusions matched with the grooves are formed in one side, close to the second abutting part, of the third abutting part at intervals, and the protrusions can be clamped into the grooves.

Preferably, the polarizer attaching apparatus further includes:

a sixth intermediate roller shaft disposed on the bracket, the sixth intermediate roller shaft being located between the second intermediate roller shaft and the second roller shaft, and the sixth intermediate roller shaft being connected to the tension assembly; the tensioning assembly comprises:

the fixed end of the third driving piece is arranged on the bracket;

the connecting piece, the one end of connecting piece with the output of third driving piece is connected, the other end with roller connection in the middle of the sixth, the third driving piece is used for the drive the connecting piece is to keeping away from the direction of roller in the middle of the sixth removes to the tensioning is located the film area in the attached region.

Preferably, the third drive member is a cylinder.

The utility model has the advantages that:

the film belt on the first roll shaft is sequentially wound on the first intermediate roll shaft and the second intermediate roll shaft and then wound on the second roll shaft so as to recycle the used film belt; the horizontal part of the film belt, which is positioned between the first middle roller shaft and the second middle roller shaft, is an attaching area for attaching the polaroid; simultaneously, clamping one end of the film belt in the attachment area through the first clamping assembly, and clamping the other end of the film belt in the attachment area through the second clamping assembly so as to clamp the film belt in the adsorption area; the tensioning assembly drives the film belt wound on the second middle roller shaft to move in the direction away from the second middle roller shaft so as to tension the clamped film belt in the attaching area, so that the film belt cannot be torn or shaken when the polaroid is attached to the film belt in the adsorption area, and the polaroid can be attached to the film belt in a relatively accurate position; by horizontally arranging the attaching area instead of vertically arranging the attaching area, a film belt with a longer length does not need to be arranged in the vertical direction when a polarizer with a larger size is attached, so that the whole attaching device has smaller occupied space and lower production cost; the adsorption area that the level set up simultaneously is better than the stability of the film area of vertical setting when attaching.

Drawings

Fig. 1 is a schematic structural diagram of a polarizer attaching apparatus provided in the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a partially enlarged schematic view at B in fig. 1.

In the figure:

1-a scaffold; 2-a first roll shaft; 3-a second roll shaft; 4-a third roll shaft; 5-a film tape; 6-a release film; 7-a first clamping assembly; 71-a first drive member; 72-a first abutment; 73-an elastic member; 8-a second clamping assembly; 81-a second driving member; 82-a second abutment; 821-a groove; 83-third abutment; 831-bulge; 9-a tensioning assembly; 91-a third drive member; 92-a connector; 10-a polarizer; 11-a third intermediate roller shaft; 12-a fourth intermediate roller shaft; 13-a first intermediate roller; 14-a second intermediate roller; 15-a sixth intermediate roller shaft; 16-a seventh intermediate roll shaft; 17-eighth intermediate roller; 18-ninth intermediate roll shaft; 19-fifth intermediate roll axis.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the structures or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a polarizer attaching device, which can attach a polarizer to a film tape at a relatively precise position so that the polarizer can be attached to a glass substrate at a relatively precise position to form a liquid crystal display; and the whole polaroid attaching device has the advantages of small occupied space, low cost and good stability. In this embodiment, the film strip is sheet. sheet refers to a film tape of a special material, also called steel tape or transfer paper; since there are few attaching bubbles generated when attaching the polarizer to the sheet, and the sheet is not easy to damage the polarizer, the sheet has been widely used in attaching flexible products. The sheet in this embodiment is a film tape commonly used in the prior art, and therefore, detailed description of a specific structure of the sheet is omitted here.

Specifically, as shown in fig. 1, the polarizer attaching apparatus includes a bracket 1, a first roller 2, and a second roller 3. Wherein, a first intermediate roll shaft 13 and a second intermediate roll shaft 14 which are arranged on the same horizontal plane at intervals are arranged on the bracket 1; the first roller shaft 2 is arranged at one side of the bracket 1, and a film belt 5 for standby is wound on the first roller shaft 2; the second roll shaft 3 is arranged on the bracket 1, the second roll shaft 3 is positioned on the opposite side of the bracket 1 on which the first roll shaft 2 is arranged, and the first intermediate roll shaft 13 and the second intermediate roll shaft 14 are both positioned between the first roll shaft 2 and the second roll shaft 3; the film strip 5 on the first roller shaft 2 can be sequentially wound around the first intermediate roller shaft 13 and the second intermediate roller shaft 14 and then wound on the second roller shaft 3, so that the second roller shaft 3 can recover the used film strip 5; and the part of the film tape 5 between the first intermediate roller 13 and the second intermediate roller 14 is an attachment area for attaching the polarizer 10, so that the polarizer 10 can be horizontally attached to the attachment area, and then the suction plate mechanism with the glass substrate attached thereto is moved in the vertical direction toward the polarizer 10, so that the polarizer 10 attached to the attachment area is attached to the glass substrate, thereby completing the entire attachment process of the polarizer 10. In this embodiment, the attaching of the polarizer 10 to the film strip 5 and the attaching of the polarizer 10 on the film strip 5 to the glass substrate are common polarizer 10 attaching techniques in the prior art, and therefore, detailed descriptions of the specific attaching process of the polarizer 10 are omitted here.

Further, as shown in fig. 1 to 3, the polarizer attaching apparatus further includes a first clamping assembly 7, a second clamping assembly 8, and a tensioning assembly 9. The first clamping assembly 7 is arranged on one side, close to the first intermediate roller 13, of the support 1, and the first clamping assembly 7 is used for clamping one end of the film strip 5 in the attaching area; the second clamping assembly 8 is arranged on one side, close to the second intermediate roller 14, of the support 1, and the second clamping assembly 8 is used for clamping the other end of the film strip 5 in the attachment area, so that two ends of the film strip 5 in the attachment area can be respectively clamped; the tensioning assembly 9 is arranged on the support 1, the tensioning assembly 9 is located between the second middle roller shaft 14 and the second roller shaft 3, and the tensioning assembly 9 can drive the film belt 5 wound on the second middle roller shaft 14 to move towards the direction far away from the second middle roller shaft 14 so as to tension the film belt 5 located in the attaching area.

The film belt 5 on the first roller shaft 2 is sequentially wound on the first intermediate roller shaft 13 and the second intermediate roller shaft 14 and then wound on the second roller shaft 3 through the first intermediate roller shaft 13 and the second intermediate roller shaft 14 which are arranged on the bracket 1 at intervals and positioned on the same horizontal plane, so that the used film belt 5 is recovered; and the horizontal part of the film strip 5 between the first intermediate roller 13 and the second intermediate roller 14 is an attachment area for attaching the polarizer 10; simultaneously, clamping one end of the film strip 5 in the attachment area through the first clamping component 7, and clamping the other end of the film strip 5 in the attachment area through the second clamping component 8 so as to clamp the film strip 5 in the adsorption area; the tensioning assembly 9 drives the film belt 5 wound on the second middle roller shaft 14 to move in the direction away from the second middle roller shaft 14 so as to tension the clamped film belt 5 in the attachment area, so that when the polarizer 10 is attached to the film belt 5 in the adsorption area, the film belt 5 cannot be torn or shaken, and the polarizer 10 can be attached to the film belt 5 at a relatively accurate position; by arranging the attaching area horizontally instead of vertically, the film strip 5 with a longer length does not need to be arranged in the vertical direction when the polarizer 10 with a larger size is attached, so that the whole attaching device has smaller occupied space and lower production cost; the adsorption area that sets up of level simultaneously is better than the stability of the film area 5 of vertical setting when attaching.

As shown in fig. 1, a release film 6 for protecting the film tape 5 is disposed on the film tape 5, and when the polarizer 10 is attached to the film tape 5, the release film 6 needs to be torn from the film tape 5, so that the side of the film tape 5 from which the release film 6 is torn has adhesiveness, and the polarizer 10 can be adhered; meanwhile, the release film 6 needs to be recycled.

In order to solve the above problems, as shown in fig. 1, the polarizer attaching device further includes a third roller 4, the third roller 4 is disposed on the bracket 1, the third roller 4 is located at the top end of the first roller 2, the third roller 4 is used for separating and winding the release film 6 on the film strip 5, so that one side of the film strip 5, from which the release film 6 is torn, is located at the top end, and the top end surface of the film strip 5 located in the attaching area has viscosity to enable the polarizer 10 to be directly attached.

Further, as shown in fig. 1 and 2, the polarizer attaching apparatus further includes a third intermediate roller 11, a fourth intermediate roller 12, and a fifth intermediate roller 19, all of which serve to guide and tension the film strip 5. Wherein, the third intermediate roll shaft 11 is arranged on the bracket 1 and close to the first roll shaft 2; the fourth intermediate roll shaft 12 is arranged on the bracket 1 and close to the third intermediate roll shaft 11; a fifth intermediate roller shaft 19 is arranged on the bracket 1 and close to the fourth intermediate roller shaft 12, and the fifth intermediate roller shaft 19 is positioned between the fourth intermediate roller shaft 12 and the first intermediate roller shaft 13; the film web 5 on the first roller 2 is sequentially routed from the bottom end of the third intermediate roller 11, from the lateral top end of the fourth intermediate roller 12, from the bottom end of the fifth intermediate roller 19 and from the top end of the first intermediate roller 13 to the second intermediate roller 14.

Specifically, as shown in fig. 1 and 2, the first clamping assembly 7 comprises a first driving member 71, a first abutment member 72 and an elastic member 73. Wherein, the fixed end of the first driving member 71 is arranged on the bracket 1; the first abutting piece 72 is connected with the output end of the first driving piece 71; the elastic member 73 is connected with the film strip 5 wound around the bottom end of the fifth intermediate roller 19, the elastic member 73 is located at the top end of the first abutting member 72, the first driving member 71 can be used for driving the first abutting member 72 to vertically move upwards and towards the direction close to the elastic member 73 and tightly abut against the elastic member 73, so that one end of the film strip 5 located in the attaching area is clamped between the fifth intermediate roller 19 and the elastic member 73, and therefore when the polarizer 10 is attached to the film strip 5 in the adsorption area, one end of the film strip 5 cannot be torn or shaken, and the polarizer 10 can be attached to the film strip 5 at a relatively accurate position. In this embodiment, the first driver 71 is a cylinder.

By providing the elastic member 73, the film strip 5 that has not been used can be well protected to avoid the phenomenon that the surface of the film strip 5 is damaged due to being squeezed, so as to ensure effective adhesion of the polarizer 10. In this embodiment, the elastic member 73 is a high-strength rubber. The high-strength rubber is a novel material which has good strength, small compression deformation and is between plastic and rubber, has the rigidity of the plastic and the elasticity of the rubber.

Further, as shown in fig. 1 and 3, the second clamping assembly 8 comprises a second driving element 81, a second abutment 82 and a third abutment 83. The second driving member 81 is located between the second intermediate roller 14 and the second roller 3, and a fixed end of the second driving member 81 is connected to the bracket 1; the second abutting piece 82 is connected with the output end of the second driving piece 81; the third abutting part 83 is fixedly arranged on the bracket 1, the third abutting part 83 is arranged right opposite to the top end of the second abutting part 82, and the film strip 5 horizontally passes through the gap between the second abutting part 82 and the third abutting part 83 and is wound on the second roller shaft 3; the second driving member 81 is used for driving the second abutting member 82 to vertically move upwards and towards the direction close to the third abutting member 83 and to tightly abut against the third abutting member 83, so as to clamp the other end of the film strip 5 located in the attaching area between the second abutting member 82 and the third abutting member 83, and therefore when the polarizer 10 is attached to the film strip 5 in the adsorption area, the other end of the film strip 5 cannot be torn or shaken, and the polarizer 10 can be attached to the film strip 5 at a more accurate position. In this embodiment, the second driving member 81 is a cylinder.

Specifically, as shown in fig. 3, a plurality of recesses 821 are provided at intervals on the second abutting member 82 on a side close to the third abutting member 83, a plurality of protrusions 831 matching with the recesses 821 are provided at intervals on the third abutting member 83 on a side close to the second abutting member 82, and the protrusions 831 can be snapped into the recesses 821 to clamp the film strip 5 between the second abutting member 82 and the third abutting member 83 more tightly. In this embodiment, the overall cross-sectional shape formed by the plurality of recesses 821 is a gear shape, and correspondingly, the overall cross-sectional shape formed by the plurality of projections 831 is also a gear shape, which can improve the clamping effect on the film tape 5. In other embodiments, the sectional shape of the whole formed by the plurality of recesses 821 and the plurality of projections 831 may be other shapes.

Through setting up recess 821 and arch 831, can make the other end of film area 5 press from both sides tightly more firm to can make when attaching polaroid 10 to the film area 5 in the adsorption zone on, avoid the other end of film area 5 to take place to tear or rock better, in order further to guarantee that polaroid 10 is attached to film area 5 with comparatively accurate position. Since the second abutting member 82 and the third abutting member 83 are both located between the second intermediate roller 14 and the second roller 3, that is, the film strip 5 passing through the gap between the second abutting member 82 and the third abutting member 83 is the film strip 5 used in the attaching region, that is, the protrusion 831 and the recess 821 are used to clamp the film strip 5, which does not affect the normal use of the film strip 5, and at the same time, the clamping effect is good.

Further, as shown in fig. 1, the polarizer attaching apparatus further includes a sixth intermediate roller 15, the sixth intermediate roller 15 is disposed on the bracket 1, the sixth intermediate roller 15 is located between the second intermediate roller 14 and the second roller 3, and the sixth intermediate roller 15 is connected to the tensioning assembly 9; the tensioning assembly 9 comprises a third drive member 91 and a connector 92. Wherein, the fixed end of the third driving member 91 is arranged on the bracket 1; one end of the connecting piece 92 is connected with the output end of the third driving piece 91, the other end of the connecting piece 92 is connected with the sixth intermediate roller shaft 15, and the third driving piece 91 is used for driving the connecting piece 92 to move towards the direction far away from the sixth intermediate roller shaft 15 so as to tension the clamped film strip 5 in the attaching area. In this embodiment, the third driving member 91 is a cylinder.

Specifically, as shown in fig. 1, the polarizer attaching apparatus further includes a seventh intermediate roller 16, an eighth intermediate roller 17, and a ninth intermediate roller 18, which are all provided on the support 1 and are all used for guiding and tensioning the film tape 5. The seventh intermediate roller shaft 16 is arranged at the bottom end of the sixth intermediate roller shaft 15, the seventh intermediate roller shaft 16 is positioned on one side, close to the sixth intermediate roller shaft 15, of the third driving piece 91, the eighth intermediate roller shaft 17 is positioned on one side, close to the second roller shaft 3, of the third driving piece 91, and the ninth intermediate roller shaft 18 is arranged between the eighth intermediate roller shaft 17 and the second roller shaft 3; the film tape 5 on the sixth intermediate roller 15 is sequentially wound around from the side surface of the seventh intermediate roller 16, horizontally passes through the gap between the second contact member 82 and the third contact member 83, is wound around from the tip of the eighth intermediate roller 17, and is wound around from the bottom end of the ninth intermediate roller 18 onto the second roller 3, so that the second roller 3 winds and collects the film tape 5 used in the suction area. Wherein, the film strip 5 in the absorption area can repeatedly adhere the polarizer 10 until the viscosity of the film strip 5 is weakened, and then roll out a new film strip 5 from the first roller 2 to re-adhere the polarizer 10.

The specific working process of the polarizer attaching device in the embodiment is as follows: first, the free end of the film web 5 to be used on the first roller 2 is sequentially routed from the bottom end of the third intermediate roller 11, from the side top end of the fourth intermediate roller 12, from the bottom end of the fifth intermediate roller 19 and from the top end of the first intermediate roller 13 to the second intermediate roller 14; and then is wound from the bottom end of the second intermediate roller shaft 14 to the top end of the sixth intermediate roller shaft 15; and then the film strip 5 is wound and collected by the second roller shaft 3 by sequentially winding from the side surface of the seventh intermediate roller shaft 16, horizontally passing through the gap between the second abutting piece 82 and the third abutting piece 83, winding from the top end of the eighth intermediate roller shaft 17, and winding from the bottom end of the ninth intermediate roller shaft 18 to the second roller shaft 3.

Then, tearing the release film 6 on the top end face of the film belt 5 in the adsorption area on the horizontal plane formed between the first intermediate roll shaft 13 and the second intermediate roll shaft 14, and rolling the release film to the third roll shaft 4, so that the third roll shaft 4 rolls and recovers the release film 6; at this time, the top face of the film tape 5 located in the adsorption region has tackiness; then, the first driving member 71 is operated, so that the first driving member 71 drives the first abutting member 72 to move vertically upwards and towards the direction close to the elastic member 73 until the top end of the first abutting member 72 is tightly abutted against the bottom end of the elastic member 73, so as to clamp the film strip 5 wound around the bottom end of the fifth intermediate roller 19 between the fifth intermediate roller 19 and the elastic member 73; simultaneously, the second driving element 81 is operated, so that the second driving element 81 drives the second abutting element 82 to move vertically upwards and towards the direction close to the third abutting element 83 until the protrusion 831 on the bottom end of the third abutting element 83 is tightly clamped with the groove 821 on the top end of the second abutting element 82, so as to clamp the film strip 5 between the second abutting element 82 and the third abutting element 83; so as to respectively clamp the two ends of the film strip 5 in the absorption area, thereby preventing the film strip 5 from moving or tearing when the polarizer 10 is attached.

Finally, the third driving member 91 is operated to make the third driving member 91 drive the connecting member 92 to move along the horizontal direction and in the direction away from the sixth intermediate roller 15, so as to drive the sixth intermediate roller 15 on the connecting member 92 and the film tape 5 wound around the sixth intermediate roller 15 to move along the horizontal direction and in the direction away from the sixth intermediate roller 15, so as to tighten the film tape 5 clamped and located between the fifth intermediate roller 19 and the seventh intermediate roller 16, so as to further prevent the film tape 5 from moving or tearing when the polarizer 10 is attached; horizontally adhering the polaroid 10 to the top end surface of the film strip 5 in the attachment area according to a preset position; to complete the attachment of the entire polarizer 10 to the film strip 5.

Wherein, the film strip 5 in the adsorption area can be repeatedly used until the viscosity on the top end surface of the film strip 5 is weaker, and then the film strip 5 for standby is rolled out from the first roller shaft 2 to replace the film strip 5 in the adsorption area so as to be used for attaching the polarizer 10; at the same time, the film web 5 previously located in the suction region is wound onto the second roller 3 in order to recover the used film web 5.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A polarizer attaching apparatus, comprising:

the device comprises a bracket (1), a first intermediate roll shaft (13) and a second intermediate roll shaft (14) which are arranged at intervals and positioned on the same horizontal plane;

the first roller shaft (2) is arranged on one side of the bracket (1), and a film belt (5) is wound on the first roller shaft (2);

the second roller shaft (3) is arranged on the support (1), the second roller shaft (3) is positioned on the opposite side of the support (1) where the first roller shaft (2) is arranged, the film belt (5) on the first roller shaft (2) is sequentially wound on the first intermediate roller shaft (13) and the second intermediate roller shaft (14) and then is wound on the second roller shaft (3), and the part of the film belt (5) positioned between the first intermediate roller shaft (13) and the second intermediate roller shaft (14) is an attachment area for attaching the polarizer (10);

a first clamping assembly (7) arranged on the side of the support (1) close to the first intermediate roller (13), the first clamping assembly (7) being used for clamping one end of the film strip (5) in the attachment area;

a second clamping assembly (8) arranged on the side of the support (1) close to the second intermediate roller (14), wherein the second clamping assembly (8) is used for clamping the other end of the film strip (5) in the attachment area;

the tensioning assembly (9) is arranged on the support (1) and located between the second middle roller shaft (14) and the second roller shaft (3), and the tensioning assembly (9) can drive the film belt (5) wound on the second middle roller shaft (14) to move in the direction away from the second middle roller shaft (14) so as to tension the film belt (5) located in the attaching area.

2. The polarizer attachment device of claim 1, further comprising:

and the third roller shaft (4) is arranged on the bracket (1), and the third roller shaft (4) is used for separating and winding the release film (6) on the film tape (5) so as to enable the top end surface of the film tape (5) in the attachment area to have viscosity to adhere the polaroid (10).

3. The polarizer attachment device of claim 1, further comprising:

a third intermediate roller (11) provided on the bracket (1) and close to the first roller (2);

a fourth intermediate roller (12) provided on the bracket (1) and close to the third intermediate roller (11);

a fifth intermediate roller (19) provided on the bracket (1) and adjacent to the fourth intermediate roller (12), the fifth intermediate roller (19) being located between the fourth intermediate roller (12) and the first intermediate roller (13); and the film belt (5) on the first roller shaft (2) is sequentially wound on the third middle roller shaft (11), the fourth middle roller shaft (12), the fifth middle roller shaft (19) and the first middle roller shaft (13).

4. A polarizer attachment apparatus according to claim 3, wherein the first clamping assembly (7) comprises:

a first driving member (71), wherein the fixed end of the first driving member (71) is arranged on the bracket (1);

a first abutment member (72) connected to an output end of the first driving member (71);

and the elastic piece (73) is connected with the film belt (5) wound and connected on the bottom end of the fifth intermediate roller shaft (19), the elastic piece (73) is positioned at the top end of the first abutting piece (72), and the first driving piece (71) is used for driving the first abutting piece (72) to move towards the direction close to the elastic piece (73) and abut against the elastic piece so as to clamp one end of the film belt (5) positioned in the attaching area between the fifth intermediate roller shaft (19) and the elastic piece (73).

5. A polarizer attachment device according to claim 4, wherein the elastic member (73) is a super glue.

6. The polarizer attaching apparatus of claim 4, wherein the first driving member (71) is an air cylinder.

7. A polarizer attachment apparatus according to claim 1, wherein the second clamping assembly (8) comprises:

a second driving member (81) located between the second intermediate roller shaft (14) and the second roller shaft (3), and a fixed end of the second driving member (81) is connected with the bracket (1);

a second abutment member (82) connected to an output end of the second driving member (81);

a third abutting piece (83) fixedly arranged on the support (1), wherein the third abutting piece (83) is arranged right opposite to the top end of the second abutting piece (82), and the film belt (5) horizontally penetrates between the second abutting piece (82) and the third abutting piece (83) and is wound on the second roller shaft (3); the second driving piece (81) is used for driving the second abutting piece (82) to move vertically upwards and towards the direction close to the third abutting piece (83) and abut against the third abutting piece, so that the other end of the film strip (5) in the attaching area is clamped between the second abutting piece (82) and the third abutting piece (83).

8. A polarizer attachment device according to claim 7, wherein a plurality of recesses (821) are spaced apart from one side of the second abutting member (82) adjacent to the third abutting member (83), and a plurality of protrusions (831) matching with the recesses (821) are spaced apart from one side of the third abutting member (83) adjacent to the second abutting member (82), and the protrusions (831) can be engaged with the recesses (821).

9. The polarizer attachment device of claim 1, further comprising:

a sixth intermediate roller (15) arranged on the bracket (1), the sixth intermediate roller (15) being located between the second intermediate roller (14) and the second roller (3), and the sixth intermediate roller (15) being connected to the tensioning assembly (9); the tensioning assembly (9) comprises:

a third driving piece (91), wherein the fixed end of the third driving piece (91) is arranged on the bracket (1);

one end of the connecting piece (92) is connected with the output end of the third driving piece (91), the other end of the connecting piece is connected with the sixth middle roller shaft (15), and the third driving piece (91) is used for driving the connecting piece (92) to move in the direction away from the sixth middle roller shaft (15) so as to tension the film tape (5) in the attaching area.

10. The polarizer attaching apparatus of claim 9, wherein the third driving member (91) is an air cylinder.