CN214000628U

CN214000628U - ACF draw gear

Info

Publication number: CN214000628U
Application number: CN202022530021.8U
Authority: CN
Inventors: 郑俭; 高华; 孙东腾; 杨恒帆
Original assignee: Wuxi Novo Automation Technology Corp Ltd
Current assignee: Wuxi Novo Automation Technology Corp Ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-20
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a ACF draw gear, it includes the assembly plate and installs the unwinding mechanism on the assembly plate, tension control mechanism, a plurality of leading wheel, drive mechanism and receiving agencies, drive mechanism is including drawing servo motor, drive assembly, guide assembly, fixed plate and lifter plate, drive assembly includes the shaft coupling, lead screw and screw nut, the output shaft that draws servo motor passes through the coupling joint lead screw, assemble the lead screw nut on the lead screw, lifter plate and screw nut fixed connection, and the tip of lifter plate installs lower clamping jaw cylinder, clamping jaw centre gripping ACF under the drive of lower clamping jaw cylinder, the fixed plate is fixed to be set up in the top of lifter plate, and the tip of fixed plate installs the clamping jaw cylinder, go up clamping jaw cylinder drive and go up clamping jaw centre gripping ACF. The ACF traction device is compact in structure and ingenious in design; and the ACF is drawn by the drawing mechanism consisting of the servo motor, the lead screw and the guide rail, so that the drawing precision is high and the service life is long.

Description

ACF draw gear

Technical Field

The utility model belongs to the technical field of automation equipment, especially, relate to an ACF draw gear suitable for ACF self-pasting.

Background

In the manufacturing process of the display panel, it is necessary to coat an ACF (anisotropic conductive film) on an edge of a panel or a PWB (printed wiring board), and then press a driver IC (integrated circuit) chip or an FPC (flexible printed circuit) on the panel or the PWB through the ACF.

ACF (anisotropic Conductive film) is characterized in that the resistance characteristics of the Z-axis electrical conduction direction and the XY insulation plane have obvious difference, and when the difference between the Z-axis conduction resistance value and the XY insulation resistance value exceeds a certain ratio, the good conduction anisotropy is called. The ACF uses conductive particles to connect the electrodes between the IC chip and the panel to make them conductive, and at the same time, can prevent the conduction short circuit between two adjacent electrodes, so as to achieve the purpose of conduction only in the Z-axis direction.

An ACF traction device needs to be configured on the ACF automatic pasting equipment, and the existing ACF traction device mostly adopts roller friction to drive the ACF to be pulled out for a fixed length. The cylinder drives the upper pinch roller to press down, the ACF is clamped between the upper pinch roller and the lower pinch roller, and the lower pinch roller is driven by a servo motor or a stepping motor, so that the ACF is led out to be of a fixed length. In the way, in the specific operation process, the pressure wheel is made of rubber or polyurethane materials for increasing the friction force, and the soft materials can cause low ACF leading-out length precision, abrasion caused by long-time use and short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ACF draw gear to solve among the prior art ACF draw gear and have the problem of drawing out that the length precision is low and life is short.

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

an ACF traction device comprises an assembly plate, an unwinding mechanism, a tension control mechanism, a plurality of guide wheels, a traction mechanism and a material receiving mechanism, wherein the unwinding mechanism, the tension control mechanism, the plurality of guide wheels, the traction mechanism and the material receiving mechanism are arranged on the assembly plate, an ACF material tray is arranged on the unwinding mechanism, ACF on the ACF material tray sequentially passes through the tension control mechanism, the plurality of guide wheels and the traction mechanism and then is discharged from an ACF bottom film through the material receiving mechanism, the traction mechanism comprises a traction servo motor, a transmission assembly, a guide assembly, a fixing plate and a lifting plate, the transmission assembly comprises a coupler, a lead screw and a lead screw nut, an output shaft of the traction servo motor is connected with the vertically arranged lead screw through the coupler, a lead screw nut is assembled on the lead screw, the lifting plate is fixedly connected with the lead screw nut, a lower clamping jaw cylinder is arranged at the end part of, and an upper clamping jaw air cylinder is installed at the end part of the fixing plate and drives an upper clamping jaw to clamp the ACF.

As a further improvement of this solution, the tension control mechanism is installed on the front surface of the assembly plate, and includes a transition wheel, a linear guide, a tensioning wheel and a counterweight block, the linear guide is fixedly installed on the assembly plate along the vertical direction, the transition wheel is fixedly installed on the assembly plate and located above the tensioning wheel, the tensioning wheel can be movably installed on the linear guide, and the tensioning wheel is connected with the counterweight block through a connecting wire.

As a further improvement of the scheme, the material receiving mechanism comprises an adjusting plate and a vacuum generator fixed on the adjusting plate, and the adjusting plate is fixed at the top of the assembling plate and is positioned above the upper clamping jaw.

As a further improvement of the scheme, the traction servo motor and the transmission assembly are assembled on the back face of the assembling plate, a long hole is formed in the assembling plate in the height direction, and the lifting plate partially extends out of the long hole to the front face of the assembling plate.

As a further improvement of the scheme, the guide assembly adopts a linear guide rail, the linear guide rail is fixed on the back surface of the assembling plate along the height direction, and the lifting plate is assembled on the linear guide rail through a sliding block.

As a further improvement of the scheme, a guide plate is fixed at the end of the fixing plate, and a guide hole for the ACF to pass through is formed in the guide plate.

As a further improvement of the scheme, an induction device for controlling the stroke of the lifting plate is further arranged on the ACF traction mechanism, the induction device comprises an induction sheet and a plurality of inductors, the induction sheet is fixed on the lifting plate, and the plurality of inductors are arranged on the assembly plate at intervals along the height direction.

As a further improvement of the scheme, the unwinding mechanism comprises an unwinding motor arranged on an assembly plate, and the ACF material disc is arranged on an output shaft of the unwinding motor.

The ACF traction device has the advantages that compared with the prior art, the ACF traction device is compact in structure and ingenious in design; and the ACF is drawn by the drawing mechanism consisting of the servo motor, the lead screw and the guide rail, so that the drawing precision is high and the service life is long.

Drawings

Fig. 1 is a schematic perspective view of an ACF traction device according to an embodiment of the present invention;

fig. 2 is an exploded view of a traction mechanism of an ACF traction device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a tension control mechanism of an ACF traction device according to an embodiment of the present invention;

fig. 4 is a front view of an ACF tractor according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

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

Referring to fig. 1 to 4, in the embodiment, an ACF traction device includes an assembly plate 1, and an unwinding mechanism, a tension control mechanism, a plurality of guide wheels 2, a traction mechanism, and a material receiving mechanism that are installed on the assembly plate 1, where the unwinding mechanism includes an unwinding motor 3 installed on the back of the assembly plate 1, an ACF tray 4 is installed on an output shaft of the unwinding motor 3, the plurality of guide wheels 2 are installed on the front of the assembly plate 1 at intervals, and an ACF material tape 5 on the ACF tray 4 passes through the tension control mechanism, the plurality of guide wheels 2, and the traction mechanism in sequence and then is discharged from an ACF base film through the material receiving mechanism.

Tension control mechanism installs in the front of assembly plate 1, it is including crossing ferryboat 5, first linear guide rail 6a, take-up pulley 7 and balancing weight 8, vertical direction fixed mounting is followed to first linear guide rail 6a on assembly plate 1, cross ferryboat 5 fixed mounting in assembly plate 1 and be located the top of take-up pulley 7, take-up pulley 7 assembles on first linear guide rail 6a, be connected with balancing weight 8 through the connecting wire on the take-up pulley 7, thereby adjust the balancing weight and provide the not tension of equidimension, install first response piece 9a on the take-up pulley 7, cooperate first response piece 9a to be provided with three first sensor 10a along direction of height equidistance interval on assembly plate 1.

The traction mechanism comprises a traction servo motor 11, a transmission assembly, a second linear guide rail 6b, a fixing plate 12 and a lifting plate 13, wherein the transmission assembly comprises a coupler 14, a lead screw 15 and a lead screw nut 16, the traction servo motor 11 is vertically arranged on the back of the top of the assembly plate 1, the driving end of the traction servo motor is downward, the lead screw 15 is vertically arranged on the back of the assembly plate 1, the traction servo motor 11 is connected with the lead screw 15 through the coupler 14, the lead screw nut 16 is arranged on the lead screw 15, the second linear guide rail 6b is fixed on the back of the assembly plate 1 along the height direction, the lifting plate 13 is assembled on the second linear guide rail 6b through a sliding block, a strip hole 17 is formed in the assembly plate 1 along the height direction, one end of the lifting plate 13 is fixedly connected with the lead screw nut 16, the other end of the lifting plate extends out of the strip hole 17 to the front of the assembly plate 1, a lower clamping jaw air cylinder 18 is arranged at the end part of the lifting plate 13, the lower clamping jaw air cylinder 18 drives a lower clamping jaw 19 to clamp the ACF 5, the fixed plate 12 is fixed on the front surface of the assembly plate 1 and is located above the lifting plate 13, the end of the fixed plate 12 is provided with an upper clamping jaw air cylinder 20, and the upper clamping jaw air cylinder 20 drives an upper clamping jaw 21 to clamp the ACF material belt 5.

The traction mechanism is also provided with an induction device for controlling the stroke of the lifting plate 13, the induction device comprises a second induction sheet 9b and three second sensors 10b, the second induction sheet 9b is fixed on the lifting plate 13, and the three second sensors 10b are arranged on the assembly plate 1 at equal intervals along the height direction.

The material receiving mechanism comprises an adjusting plate 21 and a vacuum generator 22 fixed on the adjusting plate 21, the adjusting plate 21 is fixed at the top of the assembling plate 1 and located above the upper clamping jaw 21, a guide plate 23 is fixed at the end of the fixing plate 12, and a guide hole 24 for the ACF material belt 5 to pass through is formed in the guide plate 23.

The working process of the ACF traction device is as follows: the upper clamping jaw 21 clamps the ACF material belt 5, the lower clamping jaw 19 is opened and moves downwards for a designated distance, the lower clamping jaw 19 clamps, the upper clamping jaw 21 is opened, the lower clamping jaw 19 moves upwards for a designated distance, the upper clamping jaw 21 clamps, and the ACF can be pulled out for a designated length.

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

Claims

1. An ACF traction device comprises an assembly plate, an unreeling mechanism, a tension control mechanism, a plurality of guide wheels, a traction mechanism and a material receiving mechanism, wherein the unreeling mechanism, the tension control mechanism, the guide wheels, the traction mechanism and the material receiving mechanism are arranged on the assembly plate, an ACF tray is arranged on the unreeling mechanism, ACF on the ACF tray sequentially passes through the tension control mechanism, the guide wheels and the traction mechanism and then is discharged out of an ACF bottom film through the material receiving mechanism, the ACF traction device is characterized in that the traction mechanism comprises a traction servo motor, a transmission assembly, a guide assembly, a fixing plate and a lifting plate, the transmission assembly comprises a coupler, a lead screw and a lead screw nut, an output shaft of the traction servo motor is connected with the vertically arranged lead screw through the coupler, a lead screw nut is assembled on the lead screw, the lifting plate is fixedly connected with the lead screw nut, a lower clamping jaw air cylinder is arranged at the end part of the lifting plate, and the lower clamping jaw air cylinder drives a lower clamping jaw to clamp the ACF, the fixed plate is fixedly arranged above the lifting plate, an upper clamping jaw air cylinder is installed at the end of the fixed plate, and the upper clamping jaw air cylinder drives the upper clamping jaw to clamp the ACF.

2. The ACF traction device of claim 1, wherein the tension control mechanism is mounted on the front surface of the mounting plate and includes a transition wheel, a linear guide rail, a tension wheel and a weight block, the linear guide rail is fixedly mounted on the mounting plate along a vertical direction, the transition wheel is fixedly mounted on the mounting plate and located above the tension wheel, the tension wheel is movably mounted on the linear guide rail, and the weight block is connected to the tension wheel through a connection line.

3. The ACF pulling device of claim 1 wherein the material receiving mechanism includes an adjustment plate and a vacuum generator fixed on the adjustment plate, the adjustment plate being fixed on top of the mounting plate and above the upper jaw.

4. The ACF retractor device of claim 1 wherein the retractor servo motor and the transmission assembly are mounted on a back surface of the mounting plate, the mounting plate has a long hole along a height direction, and the lifting plate extends out of the long hole to a front surface of the mounting plate.

5. The ACF traction device of claim 1, wherein the guide member is a linear guide rail, the linear guide rail is fixed to the back of the mounting plate in the height direction, and the lifting plate is mounted on the linear guide rail via a slider.

6. The ACF retractor device of claim 1 wherein a guide plate is fixed to an end of the fixing plate, the guide plate having a guide hole for the ACF to pass through.

7. The ACF pulling device of claim 1, wherein the ACF pulling mechanism further includes a sensor device for controlling a stroke of the lifting plate, the sensor device includes a sensor sheet and a plurality of sensors, the sensor sheet is fixed to the lifting plate, and the plurality of sensors are spaced apart from each other in a height direction on the mounting plate.

8. The ACF traction device of claim 1 wherein the unwinding mechanism includes an unwinding motor mounted on a mounting plate, and the ACF tray is mounted on an output shaft of the unwinding motor.