阅读说明：本技术 一种片料底部撕膜装置 (Sheet stock bottom dyestripping device ) 是由 高军鹏 于 2019-10-31 设计创作，主要内容包括：本发明公开了一种片料底部撕膜装置,包括撕膜组件及易撕贴组件,撕膜组件包括二套,两撕膜组件分别间隔设置于易撕贴组件的两侧,易撕贴组件上拉出的易撕贴经撕膜组件夹紧撕离,并将易撕贴从下方贴粘至待撕膜体上；撕膜组件包括驱动部件、撕膜部件及辅助撕膜部件,撕膜部件连接于驱动部件的输出端上,经驱动部件驱动而在水平面内、竖直方向及竖直面内直线和/或旋转运动；辅助撕膜部件连接于撕膜部件的一侧,辅助撕膜部件通过气压将膜体的一角吹起,撕膜部件将被吹起的膜体一角夹紧,驱动部件驱动撕膜部件旋转运动。本发明通过粘附膜体完成撕膜动作,撕膜的同时进行OCA辊压和膜片吹离,有效地降低了撕膜过程中粘附失效情况,提高了撕膜成功率。(The invention discloses a sheet bottom film tearing device which comprises a film tearing component and an easy-to-tear-and-paste component, wherein the film tearing component comprises two sets of film tearing components, the two film tearing components are respectively arranged at two sides of the easy-to-tear-and-paste component at intervals, an easy-to-tear paste pulled out of the easy-to-tear-and-paste component is clamped and torn away by the film tearing component, and the easy-to-tear paste is pasted to a film body to be torn from the lower part; the film tearing assembly comprises a driving part, a film tearing part and an auxiliary film tearing part, wherein the film tearing part is connected to the output end of the driving part and is driven by the driving part to linearly and/or rotationally move in a horizontal plane, a vertical direction and a vertical plane; supplementary dyestripping part is connected in one side of dyestripping part, and supplementary dyestripping part blows the one corner of lamina body through atmospheric pressure, and the lamina body one corner that dyestripping part will be blown up presss from both sides tightly, and drive assembly drive dyestripping part rotary motion. According to the invention, the film tearing action is completed by adhering the film body, OCA rolling and film blowing-off are carried out while the film is torn, the adhesion failure condition in the film tearing process is effectively reduced, and the film tearing success rate is improved.)

1. The utility model provides a sheet bottom dyestripping device which characterized in that: the film tearing and sticking device comprises a film tearing component (10) and an easy-to-tear sticking component (11), wherein the film tearing component (10) comprises two sets of film tearing components (10), the two film tearing components (10) are respectively arranged on two sides of the easy-to-tear sticking component (11) at intervals, the easy-to-tear sticking pulled out of the easy-to-tear sticking component (11) is clamped and torn away through the film tearing component (10), and the easy-to-tear sticking is stuck to a film body to be torn from the lower part so as to tear the film body;

the film tearing assembly (10) comprises a driving part, a film tearing part and an auxiliary film tearing part, wherein the film tearing part is connected to the output end of the driving part and is driven by the driving part to linearly and/or rotationally move in a horizontal plane, a vertical direction and a vertical plane from the lower part to be close to a film body to be torn; the auxiliary film tearing component is connected to one side of the film tearing component, one corner of the film body is blown up by air pressure of the auxiliary film tearing component, one corner of the blown film body is clamped by the film tearing component, the driving component drives the film tearing component to rotate, the film body is torn away, and the auxiliary component upwards presses the part torn off the film body.

2. The sheet bottom tearing apparatus according to claim 1, wherein: easily tear and paste subassembly (11) including rolling up wheel (111) down, rolling up wheel (112) and take-up pulley (113) down, wherein, above-mentioned rolling up wheel (111) down and rolling up wheel (112) interval set up on the lateral wall of supporting seat down, it has easily to tear to paste the sticky tape to coil on rolling up wheel (111) down, easily tears the outer end of pasting the sticky tape and connects on rolling up wheel (112) down, rolling up wheel (112) down and rotate and outwards pull out easily tearing paste the sticky tape.

3. The sheet bottom tearing apparatus according to claim 2, wherein: the number of the tension wheels (113) is at least two, and the tension wheels (113) are horizontally arranged on the side wall of the supporting seat at intervals; the easy-to-tear adhesive tape is tensioned by a tensioning wheel (113).

4. A sheet stock bottom stripping assembly as claimed in claim 3, wherein: easily tear and paste subassembly (11) still include jacking cylinder (114) and jacking piece (115), wherein, above-mentioned jacking cylinder (114) set up between two tight pulley (113), and the output sets up, jacking piece (115) are connected on the output of jacking cylinder (114), jacking cylinder (114) drive jacking piece (115) upwards jack-up easily tear and paste the sticky tape, make the easy tear of adhesion on easily tearing paste the sticky tape break away from to tear membrane subassembly (10) clamp and get.

5. The sheet bottom tearing apparatus according to claim 4, wherein: the driving component comprises a film tearing linear module (101), a film tearing linear sliding seat (102), a film tearing lifting cylinder (103), a film tearing rotating motor (104), a film clamping cylinder (105), a film tearing clamp (106), a film jacking block (107), a film jacking cylinder (108) and a film blowing air nozzle (109), wherein the film tearing linear module (101) is arranged on the side part of the easy-to-tear adhesive component (11); the film tearing linear sliding seat (102) is connected to the output end of the film tearing linear module (101) and is driven by the film tearing linear module (101) to move linearly; the film tearing lifting cylinder (103) is arranged on the side wall of the film tearing linear sliding seat (102); the film tearing rotating motor (104) is connected to the output end of the film tearing lifting cylinder (103) and is driven by the film tearing lifting cylinder (103) to move up and down.

6. The sheet bottom tearing apparatus according to claim 5, wherein: the film tearing component comprises a film clamping cylinder (105) and a film tearing clamp (106), wherein the film clamping cylinder (105) is connected to the output end of the film tearing rotating motor (104) and is driven by the film tearing rotating motor (104) to rotate; the film tearing clamp (106) is connected to the output end of the film clamping cylinder (105) and is driven by the film clamping cylinder (105) to clamp the easy-to-tear tape on the easy-to-tear tape component (11).

7. The sheet bottom tearing apparatus according to claim 6, wherein: the auxiliary film tearing component further comprises a film jacking cylinder (108) and a film jacking block (107), wherein the film jacking cylinder (108) is arranged on the side wall of the film clamping cylinder (105) and positioned on the outer side of the film tearing clamp (106), and the output end of the film jacking cylinder faces upwards; the top film block (107) is arranged on the output end of the top film cylinder (108) and is driven by the top film cylinder (108) to move up and down so as to abut against the part torn with the film.

8. The sheet bottom tearing apparatus according to claim 7, wherein: the film blowing air nozzle (109) is arranged on the side wall of the film ejecting cylinder (108) and is arranged upwards, air is blown out of the film blowing air nozzle (109) to the film tearing part, and a film body to be torn off is blown up so as to clamp and tear the film.

Technical Field

The invention relates to the field of automatic manufacturing, in particular to a sheet bottom film tearing device.

Background

The flat panel display device is a man-machine interaction carrier for realizing character and image display, and mainly comprises a display module, a backlight module and a touch module, wherein the display module comprises a display panel, a polaroid, a driving chip (IC), a circuit board (PCB, FPC) and the like. The production of the flat panel display device is divided into a front section array, a box forming process and a rear section module assembling process. The front-stage process is used for producing the display panel, and the rear-stage process is used for assembling the display panel, the polaroid, the backlight module, the touch module and other components into the flat panel display device. The former-stage production equipment is mainly provided by Japan, Korea and American enterprises at present, and is basically not produced by oneself in China; in the production equipment of the later process, a few domestic enterprises have realized breakthrough, and the replacement of imported equipment is gradually realized at present. The display panel is a main component for realizing a display function, and in order to assemble a display device, polarizers are required to be attached to two sides of the panel (an LCD panel needs to be attached with one polarizer at each of the upper and lower sides, and an OLED panel needs to be attached with one polarizer at the upper side) to realize directional propagation of light. In polaroid equipment production process, the apron needs attached OCA piece earlier before attached polaroid, and OCA is the transparent adhesive tape, attaches OCA back on the apron, and follow-up polaroid is attached to usable OCA's adhesive effect assistance. Need tear the lamina membranacea of OCA code adhesion earlier when OCA is attached and separate, because the lamina membranacea of OCA upper and lower surface all need tear and separate, consequently tear the membrane in-process because the lamina membranacea adhesive force can't guarantee unanimously, OCA adhesion breaks away from has appeared, leads to the condition of tearing the membrane inefficacy. Therefore, a special film tearing device needs to be designed.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a device for tearing the film at the bottom of the sheet stock, which can complete the film tearing action by adhering a film body, and can roll OCA and blow off the film sheet while tearing the film, thereby effectively reducing the adhesion failure condition in the film tearing process and improving the film tearing success rate.

The technical scheme adopted by the invention is as follows: a sheet bottom film tearing device comprises a film tearing assembly and an easy-to-tear-paste assembly, wherein the film tearing assembly comprises two sets of film tearing assemblies, the two film tearing assemblies are respectively arranged on two sides of the easy-to-tear-paste assembly at intervals, the easy-to-tear paste pulled out of the easy-to-tear-paste assembly is clamped and torn away by the film tearing assemblies, and the easy-to-tear paste is pasted to a film body to be torn from the lower part so as to tear off the film body;

the film tearing assembly comprises a driving part, a film tearing part and an auxiliary film tearing part, wherein the film tearing part is connected to the output end of the driving part and is driven by the driving part to linearly and/or rotationally move in a horizontal plane, a vertical direction and a vertical plane from the lower part to be close to a film body to be torn; the auxiliary film tearing component is connected to one side of the film tearing component, one corner of the film body is blown up by air pressure of the auxiliary film tearing component, one corner of the blown film body is clamped by the film tearing component, the driving component drives the film tearing component to rotate, the film body is torn away, and the auxiliary component upwards presses the part torn off the film body.

Preferably, the easy-to-tear component comprises a lower winding wheel, a lower winding wheel and a tensioning wheel, wherein the lower winding wheel and the lower winding wheel are arranged on the side wall of the supporting seat at intervals, an easy-to-tear adhesive tape is wound on the lower winding wheel, the outer end of the easy-to-tear adhesive tape is connected to the lower winding wheel, and the lower winding wheel rotates to pull out the easy-to-tear adhesive tape outwards.

Preferably, the number of the tensioning wheels is at least two, and the tensioning wheels are horizontally arranged on the side wall of the supporting seat at intervals; the easy-to-tear adhesive tape is tensioned by a tensioning wheel.

Preferably, easily tear and paste subassembly still include jacking cylinder and jacking piece, wherein, above-mentioned jacking cylinder sets up between two tight pulleys, and the output sets up, and the jacking piece is connected on the output of jacking cylinder, and jacking cylinder drive jacking piece upwards jack-up easily tears and pastes the sticky tape, makes the easy of adhesion on easily tearing the sticky tape tear the subsides and breaks away from to tear the membrane subassembly clamp and get.

Preferably, the driving component comprises a film tearing linear module, a film tearing linear sliding seat, a film tearing lifting cylinder and a film tearing rotating motor, wherein the film tearing linear module is arranged on the side part of the easy-to-tear adhesive component; the film tearing linear sliding seat is connected to the output end of the film tearing linear module and is driven by the film tearing linear module to move linearly; the film tearing lifting cylinder is arranged on the side wall of the film tearing linear sliding seat; the film tearing rotating motor is connected to the output end of the film tearing lifting cylinder and is driven by the film tearing lifting cylinder to move up and down.

Preferably, the film tearing component comprises a film clamping cylinder and a film tearing clamp, wherein the film clamping cylinder is connected to the output end of the film tearing rotating motor and is driven by the film tearing rotating motor to rotate; the film tearing clamp is connected to the output end of the film clamping cylinder and is driven by the film clamping cylinder to clamp the easy-to-tear tape on the easy-to-tear tape assembly.

Preferably, the auxiliary film tearing component further comprises a film jacking cylinder and a film jacking block, wherein the film jacking cylinder is arranged on the side wall of the film clamping cylinder and located on the outer side of the film tearing clamp, and the output end of the film jacking cylinder faces upwards; the top film block is arranged at the output end of the top film cylinder and is driven by the top film cylinder to move up and down so as to abut against the part after film tearing.

Preferably, the film blowing air nozzle is arranged on the side wall of the film ejecting cylinder and arranged upwards, and blows air to the film tearing part to blow up the film body to be torn so as to clamp and take the torn film.

The invention has the beneficial effects that:

aiming at the defects and shortcomings in the prior art, the film tearing device at the bottom of the sheet material is independently researched and developed, film tearing is completed through the film adhering body, OCA rolling and film blowing-off are carried out while the film is torn, the adhesion failure condition in the film tearing process is effectively reduced, and the film tearing success rate is improved.

The easily torn and pasted adhesive tape comprises a film tearing component and a lower easily torn and pasted component, wherein the lower easily torn and pasted component is adhered with a plurality of easily torn pastes through an easily torn and pasted adhesive tape and is wound on a lower winding wheel, the easily torn and pasted adhesive tape is pulled out and wound through the rotation motion of the lower winding wheel, the pulled easily torn and pasted adhesive tape is tensioned by a tensioning wheel, a jacking block is driven by a jacking cylinder to jack upwards at a jacking cylinder to horizontally jack the easily torn and pasted adhesive tape, and the side part of the easily torn paste adhered on the easily torn and pasted adhesive tape is gradually separated from the easily torn and pasted adhesive tape to be tilted under the tension action of the easily torn and pasted adhesive tape, so that the easily torn paste after being tilted is tightly clamped and taken out by the film tearing component; this kind of initiative jacking structural design, through the easy subsides of tearing of jacking piece formation activity get the material platform, easily tear through the jacking tensioning before getting the material and easily tear the side department perk of pasting through the tension of easily tearing the sticky tape when, utilize the easy side department perk of tearing the sticky tape of pasting, more be favorable to subsequent easily to tear the subsides and get the material. In addition, the film tearing assemblies comprise two sets, the two film tearing assemblies are respectively arranged on two sides of the lower easy-to-tear-and-paste assembly at intervals, and the film tearing assemblies are integrated with linear motion, lifting motion, rotary motion and film clamping motion functions. Particularly, a top film cylinder and a top film block are further arranged on the outer side of the lower film clamping cylinder, the output end of the top film cylinder is arranged upwards, the top film block is connected to the output end of the top film cylinder, and the top film cylinder drives the top film block to move up and down so as to upwards abut against the OCA after the film at the bottom of the OCA is torn by the film tearing clamp; prevent that OCA from breaking away from laminating mechanism in the dyestripping process. In addition, the outer side of the film jacking cylinder is also vertically provided with a film blowing air nozzle, the output end of the film blowing air nozzle is arranged upwards, after the easy-tearing paste is adhered to the film body to be torn by the film tearing belt, high-pressure gas is blown out by the film blowing air nozzle to a gap between the OCA and the film body to be torn, the film body to be torn is blown up by the high-pressure gas so as to assist in tearing the film tearing, the condition that the adhesion between the easy-tearing paste and the film body to be torn is invalid due to the fact that the adhesion between the easy-tearing paste and the film body to be torn is smaller than the adhesion between the film body to be torn and the OCA in the film tearing process is reduced, and the film tearing success rate and the stability are greatly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the second embodiment of the present invention.

Fig. 3 is a schematic perspective view of the film tearing assembly of the present invention.

FIG. 4 is a second perspective view of the film tearing assembly of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 4, the technical solution adopted by the present invention is as follows: a sheet bottom film tearing device comprises a film tearing component 10 and an easy-to-tear-and-stick component 11, wherein the film tearing component 10 comprises two sets, the two film tearing components 10 are respectively arranged on two sides of the easy-to-tear-and-stick component 11 at intervals, an easy-to-tear sticker pulled out of the easy-to-tear-and-stick component 11 is clamped and torn off by the film tearing component 10, and the easy-to-tear sticker is stuck to a film body to be torn from the lower part so as to tear off the film body;

the film tearing assembly 10 comprises a driving part, a film tearing part and an auxiliary film tearing part, wherein the film tearing part is connected to the output end of the driving part and is driven by the driving part to linearly and/or rotationally move in a horizontal plane, a vertical direction and a vertical plane to be close to a film body to be torn from the lower part; the auxiliary film tearing component is connected to one side of the film tearing component, one corner of the film body is blown up by air pressure of the auxiliary film tearing component, one corner of the blown film body is clamped by the film tearing component, the driving component drives the film tearing component to rotate, the film body is torn away, and the auxiliary component upwards presses the part torn off the film body.

The easy-tearing component 11 comprises a lower winding wheel 111, a lower winding wheel 112 and a tensioning wheel 113, wherein the lower winding wheel 111 and the lower winding wheel 112 are arranged on the side wall of the supporting seat at intervals, an easy-tearing adhesive tape is wound on the lower winding wheel 111, the outer end of the easy-tearing adhesive tape is connected to the lower winding wheel 112, and the lower winding wheel 112 rotates to pull out the easy-tearing adhesive tape outwards.

The number of the tension wheels 113 is at least two, and the tension wheels 113 are horizontally arranged on the side wall of the supporting seat at intervals; the easy-to-tear adhesive tape is tensioned by a tensioning wheel 113.

Easily tear and paste subassembly 11 still includes jacking cylinder 114 and jacking piece 115, and wherein, above-mentioned jacking cylinder 114 sets up between two tight pulleys 113, and the output sets up, and jacking piece 115 is connected on jacking cylinder 114's output, and jacking cylinder 114 drive jacking piece 115 upwards jack-up easily tears and pastes the sticky tape, makes the easy tear of adhesion on easily tearing the sticky tape break away from to tear membrane subassembly 10 clamp and get.

The driving component comprises a film tearing linear module 101, a film tearing linear sliding seat 102, a film tearing lifting cylinder 103 and a film tearing rotating motor 104, wherein the film tearing linear module 101 is arranged on the side part of the easy-to-tear adhesive component 11; the film tearing linear sliding seat 102 is connected to the output end of the film tearing linear module 101 and is driven by the film tearing linear module 101 to move linearly; the film tearing lifting cylinder 103 is arranged on the side wall of the film tearing linear sliding seat 102; the film tearing rotating motor 104 is connected to the output end of the film tearing lifting cylinder 103 and is driven by the film tearing lifting cylinder 103 to move up and down.

The film tearing component comprises a film clamping cylinder 105 and a film tearing clamp 106, wherein the film clamping cylinder 105 is connected to the output end of the film tearing rotating motor 104 and is driven by the film tearing rotating motor 104 to rotate; the film tearing clamp 106 is connected to the output end of the film clamping cylinder 105, and is driven by the film clamping cylinder 105 to clamp the easy-to-tear tape on the easy-to-tear tape assembly 11.

The auxiliary film tearing component further comprises a film jacking cylinder 108 and a film jacking block 107, wherein the film jacking cylinder 108 is arranged on the side wall of the film clamping cylinder 105 and is positioned on the outer side of the film tearing clamp 106, and the output end of the film jacking cylinder faces upwards; the top film block 107 is disposed at the output end of the top film cylinder 108 and is driven by the top film cylinder 108 to move up and down so as to abut against the portion after film tearing.

The film blowing air nozzle 109 is disposed on the sidewall of the film ejecting cylinder 108 and disposed upward, and the film blowing air nozzle 109 blows air to the film tearing portion to blow up the film to be torn off, so as to clamp and take the torn film.

Furthermore, the invention designs a sheet stock bottom film tearing device which can complete film tearing action by adhering the film body, and can simultaneously carry out OCA rolling and film blowing-off during film tearing, thereby effectively reducing the adhesion failure condition in the film tearing process and improving the film tearing success rate. The easily torn and pasted adhesive tape comprises a film tearing component and a lower easily torn and pasted component, wherein the lower easily torn and pasted component is adhered with a plurality of easily torn pastes through an easily torn and pasted adhesive tape and is wound on a lower winding wheel, the easily torn and pasted adhesive tape is pulled out and wound through the rotation motion of the lower winding wheel, the pulled easily torn and pasted adhesive tape is tensioned by a tensioning wheel, a jacking block is driven by a jacking cylinder to jack upwards at a jacking cylinder to horizontally jack the easily torn and pasted adhesive tape, and the side part of the easily torn paste adhered on the easily torn and pasted adhesive tape is gradually separated from the easily torn and pasted adhesive tape to be tilted under the tension action of the easily torn and pasted adhesive tape, so that the easily torn paste after being tilted is tightly clamped and taken out by the film tearing component; this kind of initiative jacking structural design, through the easy subsides of tearing of jacking piece formation activity get the material platform, easily tear through the jacking tensioning before getting the material and easily tear the side department perk of pasting through the tension of easily tearing the sticky tape when, utilize the easy side department perk of tearing the sticky tape of pasting, more be favorable to subsequent easily to tear the subsides and get the material. In addition, the film tearing assemblies comprise two sets, the two film tearing assemblies are respectively arranged on two sides of the lower easy-to-tear-and-paste assembly at intervals, and the film tearing assemblies are integrated with linear motion, lifting motion, rotary motion and film clamping motion functions. Particularly, a top film cylinder and a top film block are further arranged on the outer side of the lower film clamping cylinder, the output end of the top film cylinder is arranged upwards, the top film block is connected to the output end of the top film cylinder, and the top film cylinder drives the top film block to move up and down so as to upwards abut against the OCA after the film at the bottom of the OCA is torn by the film tearing clamp; prevent that OCA from breaking away from laminating mechanism in the dyestripping process. In addition, the outer side of the film jacking cylinder is also vertically provided with a film blowing air nozzle, the output end of the film blowing air nozzle is arranged upwards, after the easy-tearing paste is adhered to the film body to be torn by the film tearing belt, high-pressure gas is blown out by the film blowing air nozzle to a gap between the OCA and the film body to be torn, the film body to be torn is blown up by the high-pressure gas so as to assist in tearing the film tearing, the condition that the adhesion between the easy-tearing paste and the film body to be torn is invalid due to the fact that the adhesion between the easy-tearing paste and the film body to be torn is smaller than the adhesion between the film body to be torn and the OCA in the film tearing process is reduced, and the film tearing success rate and the stability are greatly.

The embodiments of the present invention are merely illustrative of specific embodiments thereof, and are not intended to limit the scope thereof. Since the present invention can be modified by a person skilled in the art, the present invention is not limited to the embodiments described above.