CN210072254U

CN210072254U - ACF pastes guide structure

Info

Publication number: CN210072254U
Application number: CN201920897539.XU
Authority: CN
Inventors: 谢绍梅
Original assignee: SHENZHEN LEAD DISPLAY EQUIPMENT CO Ltd
Current assignee: SHENZHEN LEAD DISPLAY EQUIPMENT CO Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-02-14
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses an ACF sticking guide structure, which comprises a material placing tray (11) and a material receiving tray (12) which are fixed on a device frame, and also comprises a left guide wheel component and a right guide wheel component which are positioned below the material placing tray and the material receiving tray, an ACF film belt (6) is output from the material placing tray and bypasses the left guide wheel component and the right guide wheel component to be collected by the material receiving tray, the left guide wheel component is fixed on a left fixing seat (3), the right guide wheel component is fixed on a right fixing seat (4), the left fixing seat and the right fixing seat are both provided with horizontal slotted holes (5), a fixing screw passes through the slotted holes to fix the left fixing seat and the right fixing seat on the device frame, by adopting the ACF sticking guide structure, the left position and the right position of the left guide wheel can be adjusted, the front position and the rear position of the guide wheel can be adjusted, the width of the, the binding precision is greatly increased, and the binding qualification rate is greatly improved.

Description

ACF pastes guide structure

Technical Field

The utility model relates to a cell-phone display screen processing equipment especially relates to a guide structure is pasted to ACF.

Background

In the production process of the mobile phone screen, a display screen (LCD or OLED or flexible screen) and an FPC signal wire need to be pressed and bound in a TFOG hot press. In a specific crimping process, an ACF anisotropic conductive film is required to be sandwiched between an LCD and an FPC, and then parameters (temperature, pressure, parallelism and the like) are set for a TFOG hot press to be crimped and bound.

The ACF anisotropic conductive film is a strip-shaped film and is coiled and stored. Before binding, the device is hung through a guide wheel fixed by the device. The guide wheels are arranged on the left side and the right side, the discharging disc and the material receiving disc of the ACF anisotropic conductive film are respectively positioned above the left guide wheel and the right guide wheel, the ACF anisotropic conductive film is conveyed around the left guide wheel and the right guide wheel, a motor for driving the material receiving disc to rotate is arranged in the material receiving disc of the ACF anisotropic conductive film, the binding platform is positioned below the left guide wheel and the right guide wheel, and the binding pressure head is positioned above the left guide wheel and the right guide wheel. In each binding process, the motor revolution is given through setting parameters, the binding pressure head (reference numeral 20) presses down the ACF to enable the ACF to be pressed on the display screen (the display screen to be processed is placed on the binding platform (reference numeral 21) in advance), and the ACF is attached to the binding area of the display screen. In the next procedure, the FPC signal wire is pressed on the ACF, and finally the display screen and the FPC signal wire are bound.

The ACF pasting guide structure has no problem in binding the conventional and popular mobile phone screens in the market, but with the change of the market, a large number of bracelet electronic products emerge, and the demand of micro display devices increases dramatically. The existing ACF pasting guide structure can not meet the production requirements. The problem is that the existing left and right guide wheels are fixedly installed, and in the process of binding the small display device, because the span between the left and right guide wheels is far longer than the binding area of the small display device, when the guide wheels drive the ACF to press down, the ACF has slight swing under the action of downward force in the pressing down process, so that the ACF and the preset binding area of the small display device have higher deviation, the binding effect is influenced, even the function is poor, and the process loss is caused.

Therefore, it is an urgent technical problem to design an ACF applying guide structure capable of adjusting the distance between the left and right guide wheels.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defect that exists among the prior art, the utility model provides a guide structure is pasted with ACF of leading wheel interval about adjusting.

The utility model discloses a technical scheme be a guide structure is pasted to ACF, including fixing blowing dish and the material receiving tray in the equipment rack, still including left leading wheel subassembly and the right leading wheel subassembly that is located blowing dish and material receiving tray below, the ACF membrane area is walked around left and right leading wheel subassembly by the output in the blowing dish and is coiled by the material receiving tray and hide, left side leading wheel subassembly is fixed on left fixing base, right leading wheel subassembly is fixed on right fixing base, all is equipped with horizontally slotted hole on left and right fixing base, and the fixed screw passes the slotted hole and fixes left and right fixing base in the equipment rack.

The left guide wheel assembly and the right guide wheel assembly are of the same structure and respectively comprise a screw rod and a fastening nut which is screwed at the rear part of the screw rod, the rear end of the screw rod is screwed on the left fixing seat or the right fixing seat, the front end of the screw rod is sleeved with the pulley assembly, and the ACF film belt moves along the guide of the pulley assembly.

The pulley assembly comprises a first bearing, a second bearing, a spring, a third bearing and a limiting nut which are sequentially sleeved on the screw rod from front to back, wherein a roller is fixed on the peripheries of the first bearing and the second bearing, and a sleeve is fixed on the periphery of the third bearing; the front part of the screw rod is a polished rod, the rear part of the screw rod is a screw rod, the first bearing, the second bearing, the spring and the third bearing are sleeved on the polished rod, and the limit nut and the fastening nut are screwed on the screw rod; one end of the sleeve abutting joint roller is provided with an avoiding hole capable of accommodating the roller, and the position of the limiting nut is changed to adjust the depth of the roller embedded into the sleeve.

One side of the roller, which faces the front end of the screw rod, is provided with a circle of raised stop edge.

And the roller is provided with a fixing screw hole and a fixing screw for fixing the second bearing.

And the sleeve is provided with a fixed screw hole and a fixed screw for fixing the third bearing.

And the limiting nut is provided with a fixing screw hole and a fixing screw for fixing the screw rod.

The utility model provides a technical scheme's beneficial effect is:

adopt the utility model discloses, control the leading wheel about the position can be adjusted, the leading wheel front and back position can be adjusted, the guiding groove width in leading wheel guide ACF membrane area is adjusted of doing, makes the display screen that TFOG hot press can process various models, binds precision greatly increased, binds the qualification rate and improves greatly.

Drawings

The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:

fig. 1 is a front view of a preferred embodiment of the present invention;

FIG. 2 is a perspective view of the preferred embodiment of the present invention;

FIG. 3 is a perspective view of the guide wheel assembly and the mounting base of the preferred embodiment of the present invention;

FIG. 4 is a top view of the guide wheel assembly and the mounting base of the preferred embodiment of the present invention;

figure 5 is an exploded view of the preferred embodiment sheave assembly of the present invention;

figure 6 is a side view of a preferred embodiment sheave assembly of the present invention;

figure 7 is a cutaway view of a preferred embodiment sheave assembly of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a guide structure is pasted to ACF, refer to the front view and the three-dimensional view of the preferred embodiment that FIG. 1 and FIG. 2 show respectively, this structure is including fixing blowing dish 11 and the material receiving plate 12 in the equipment frame, still including left leading wheel subassembly and the right leading wheel subassembly that is located blowing dish and material receiving plate below, and ACF membrane area 6 is walked around left and right leading wheel subassembly by the material receiving plate and is hidden by the material receiving plate by output in the blowing dish, left side leading wheel subassembly is fixed on left fixing base 3, right leading wheel subassembly is fixed on right fixing base 4, all is equipped with horizontally slotted hole 5 on left and right fixing base, and fixed screw passes the slotted hole and fixes left and right fixing base in the equipment frame. The material receiving disc 12 is driven by a motor to roll the ACF film strip 6, the ACF film strip 6 moves around the left guide wheel component and the right guide wheel component, the binding pressure head 20 is positioned above the left guide wheel component and the right guide wheel component, the binding platform 21 is positioned below the left guide wheel component and the right guide wheel component, the binding pressure head 20 and the left guide wheel component and the right guide wheel component press down during working, and the ACF film strip can be adhered on a display screen. In the next procedure, the FPC signal wire is pressed on the ACF, and finally the display screen and the FPC signal wire are bound. The left and right fixed seats can be adjusted in position in the horizontal direction along the long slotted hole 5, and by the structure, the distance between the left and right guide wheel assemblies can be adjusted to adapt to display screens with different model sizes.

Referring to the three-dimensional view and the top view of the guide wheel assembly and the fixed seat respectively shown in fig. 3 and 4, the left guide wheel assembly and the right guide wheel assembly have the same structure and both comprise a screw rod 7 and a fastening nut 8 screwed at the rear part of the screw rod, the rear end of the screw rod is screwed on the left fixed seat 3 or the right fixed seat 4, the front end of the screw rod is sleeved with a pulley assembly 9, and the ACF film belt 6 moves along the guide of the pulley assembly. The screw rod 7 is rotated, the depth of the screw rod inserted into the fixing seat can be adjusted, and therefore the pulley component is driven to move back and forth to adjust, and the display screen is suitable for various models. And the screw can be firmly fixed on the fixed seat by screwing the fastening nut 8.

Referring to fig. 5 to 6, which respectively show an exploded view, a side view and an exploded view of the pulley assembly, the pulley assembly 9 includes a first bearing 1, a second bearing 2, a spring 16, a third bearing 10 and a limit nut 13, which are sequentially sleeved on the screw 7 from front to back, a roller 14 is fixed on the outer peripheries of the first bearing and the second bearing, and a sleeve 15 is fixed on the outer periphery of the third bearing; the front part of the screw rod is a polished rod, the rear part of the screw rod is a screw rod, the first bearing, the second bearing, the spring and the third bearing are sleeved on the polished rod, and the limit nut and the fastening nut are screwed on the screw rod; one end of the sleeve, which is abutted to the roller, is provided with an avoiding hole 18 capable of accommodating the roller, and the depth of the roller embedded into the sleeve can be adjusted by changing the position of the limiting nut. The side of the roller 14 facing the front end of the screw 7 is provided with a ring of raised ribs 17.

The roller 14 and the sleeve 15 jointly form a guide groove of the ACF film belt, and the width of the guide groove can be changed under the joint adjusting action of the spring 14 and the limiting nut 13 so as to adapt to different types of ACF film belts 6. The roller 14 and the sleeve 15 are fixed on the screw 7 through a bearing, so that the rolling resistance is very small, and the guiding effect is good.

In the preferred embodiment, the roller 14 is provided with a fixing screw hole 19 and a fixing screw for fixing the second bearing 2, and the fixing screw is a countersunk head screw, thereby fixing the corresponding position of the roller 14 and the bearing.

In the preferred embodiment, the sleeve 15 is provided with a fixing screw hole 19 and a fixing screw for fixing the third bearing 10, and the fixing screw is a countersunk head screw, so that the corresponding position of the sleeve 15 and the bearing is fixed.

In the preferred embodiment, the position-limiting nut 13 is provided with a fixing screw hole 19 for fixing the screw rod 7 and a fixing screw, and the fixing screw is a countersunk head screw, so that the corresponding position of the position-limiting nut 13 and the screw rod 7 is fixed.

The foregoing examples are illustrative only and are not intended to be limiting. Any equivalent modifications or variations without departing from the spirit and scope of the present application should be included in the claims of the present application.

Claims

1. The utility model provides a guide structure is pasted to ACF, is including fixing blowing dish (11) and material collecting tray (12) on equipment rack, its characterized in that: the ACF film belt (6) is output from the discharging disc and bypasses the left and right guide wheel assemblies to be coiled by the receiving disc, the left guide wheel assembly is fixed on the left fixing seat (3), the right guide wheel assembly is fixed on the right fixing seat (4), horizontal long slotted holes (5) are formed in the left and right fixing seats, and fixing screws penetrate through the long slotted holes to fix the left and right fixing seats on an equipment rack.

2. The ACF attachment guide structure of claim 1, wherein: the left guide wheel assembly and the right guide wheel assembly are of the same structure and respectively comprise a screw rod (7) and a fastening nut (8) screwed at the rear part of the screw rod, the rear end of the screw rod is screwed on the left fixing seat (3) or the right fixing seat (4), the front end of the screw rod is sleeved with a pulley assembly (9), and the ACF film belt (6) moves along the guide of the pulley assembly.

3. The ACF attachment guide structure of claim 2, wherein: the pulley assembly (9) comprises a first bearing (1), a second bearing (2), a spring (16), a third bearing (10) and a limiting nut (13), which are sequentially sleeved on the screw rod (7) from front to back, wherein a roller (14) is fixed on the peripheries of the first bearing and the second bearing, and a sleeve (15) is fixed on the periphery of the third bearing;

the front part of the screw rod is a polished rod, the rear part of the screw rod is a screw rod, the first bearing, the second bearing, the spring and the third bearing are sleeved on the polished rod, and the limit nut and the fastening nut are screwed on the screw rod; one end of the sleeve, which is abutted to the roller, is provided with an avoiding hole (18) capable of accommodating the roller, and the depth of the roller embedded into the sleeve can be adjusted by changing the position of the limiting nut.

4. The ACF attachment guide structure of claim 3, wherein: one side of the roller (14) facing the front end of the screw (7) is provided with a ring of raised flanges (17).

5. The ACF attachment guide structure of claim 3, wherein: and the roller (14) is provided with a fixed screw hole (19) and a fixed screw for fixing the second bearing (2).

6. The ACF attachment guide structure of claim 3, wherein: and a fixing screw hole (19) and a fixing screw for fixing the third bearing (10) are formed in the sleeve (15).

7. The ACF attachment guide structure of claim 3, wherein: and the limiting nut (13) is provided with a fixing screw hole (19) and a fixing screw for fixing the screw rod (7).