CN210339795U - Thin COF coil precision positioning and punching mechanism - Google Patents
Thin COF coil precision positioning and punching mechanism Download PDFInfo
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- CN210339795U CN210339795U CN201921269370.XU CN201921269370U CN210339795U CN 210339795 U CN210339795 U CN 210339795U CN 201921269370 U CN201921269370 U CN 201921269370U CN 210339795 U CN210339795 U CN 210339795U
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Abstract
The utility model discloses a slim COF coil stock precision positioning and die-cut mechanism, include an installation bedplate, set firmly XY axle location module, die-cut mould on the installation bedplate, set firmly just locate the fixed length wheel mechanism, take-up pulley mechanism, vision device and the receiving device that are used for COF material area fixed length to carry of feeding station department on the installation bedplate. The utility model discloses overcome COF thickness attenuation back, die-cut off normal and the uncontrollable problem of precision that the deformation that the material area produced in the data send process caused. The utility model discloses a location and die-cut mechanism carry out the vision to counterpoint every die-cut COF before die-cut and avoided the die-cut bad condition of continuity to take place, improve die-cut yield, reduce the scrap rate. The three width COF material belts which are high in precision processing and assembly, guarantee in transmission precision and are compatible with international standards are avoided. The addition of the full-automatic visual alignment function reduces the requirements on debugging personnel in the use process. The whole system is completed within 2.6 seconds, and the operation is stable and reliable.
Description
Technical Field
The utility model relates to an automation equipment, specific saying so relates to a slim COF coil stock precision positioning and die-cut mechanism.
Background
Since the COF finished product supplied by the chip is in a continuous roll material form (similar to a film), the whole circuit is etched on a 34um polyimide substrate, the circuit thickness is 8um, and the COF finished product can be used after being punched (blanked) before being bound by a COF single sheet. Therefore, the punching and the high-precision positioning before the punching are key technologies.
In the prior art at home and abroad, high-precision processing and assembly are adopted to ensure the positioning precision of the COF coiled material in the transmission process, so that the requirements on operators in the processes of part production, processing, assembly, debugging and later use are high, and the manufacturing and using costs are high. The punching precision is ensured by the mechanical transmission precision and the comprehensive precision of the punching die, the precision is not easy to control in the actual production process due to the existence of human factors, the punching position of each COF can not be monitored in real time, continuous multiple sheets of punched products are easy to scrap, the precision fluctuation range is large, and the like.
COF automatic binding equipment is equipment for connecting a flexible circuit board packaged with an LCD driving chip with a circuit on liquid crystal glass (LCD). The key technology before binding is to punch off COF accurately, and the punching process also relates to the cutting off of etching circuits with the width of 13um, the thickness of 8um, the distance of 28um and the total number of 1500-2000 so as not to cause short circuit and not to leave burrs and foreign matters.
The COF binding application background is originally applied to large-size LCDs (televisions, computers), the circuit density is low, and the COF binding application background is applied to display screens of high-resolution mobile phones in a large scale from 2017 full-screen mobile phones to increase screen occupation ratio. Therefore, the circuit density is increased from 300-500 to 1500-2000. The thickness of the poly-milling imine substrate is reduced to the current main flow 34um from 120um, so that the precision requirement on punching equipment is greatly improved.
Therefore, there is a need for an automatic positioning and punching mechanism to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the deficiency among the prior art, the to-be-solved technical problem of the utility model lies in providing a slim COF coil stock precision positioning and die-cut mechanism.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model provides a slim COF coil stock precision positioning and die-cut mechanism, includes an installation bedplate, still includes:
the XY-axis positioning module is fixedly arranged on the mounting base plate and comprises a Y-axis driving mechanism arranged on the mounting base plate and an X-axis driving mechanism arranged on the Y-axis driving mechanism;
the punching die is fixedly arranged on a lifting device, the lifting device is fixedly arranged on a moving part of the X-axis driving mechanism and moves along with the moving part to enable the punching die to be automatically aligned, the punching die is driven by the lifting device to do lifting motion, and a punching device for punching and cutting a COF material strip into a COF product is arranged on the punching die;
the fixed-length wheel mechanism is fixedly arranged on the installation seat plate and is arranged at the feeding station and used for conveying the COF material belt in a fixed length mode, and the fixed-length wheel mechanism comprises a distance motor fixedly arranged on the installation seat plate and a fixed-length wheel arranged at the driving end of the distance motor;
the tensioning wheel mechanism is arranged at a COF waste material belt discharging station and is fixedly arranged on the installation seat plate, and a tensioning wheel on the tensioning wheel mechanism is matched with an upper clamping roller and a lower clamping roller which are fixedly arranged on the installation seat plate to tension the COF waste material belt;
the vision device is movably arranged below the punching part of the punching die and is matched with the vision system to shoot the position of the material belt in real time;
the material receiving device is provided with a negative pressure material sucking structure, and the COF product punched by the negative pressure material sucking structure is sucked tightly and sent into the material receiving and conveying device.
Furthermore, the Y-axis driving mechanism comprises a Y-axis motor, a Y-axis sliding rail and a movable block arranged on the Y-axis sliding rail, the Y-axis motor and the Y-axis sliding rail are fixedly arranged on the installation seat plate in parallel, and a Y-axis sliding block is connected to the side of the driving end of the Y-axis motor.
Furthermore, the X-axis driving mechanism is fixedly arranged on the Y-axis sliding block and comprises an X-axis motor, an X-axis sliding rail and a moving part arranged on the X-axis sliding rail, and the driving end of the X-axis motor is connected with the moving part and can drive the moving part to move in the X-axis direction.
Furthermore, the lifting device is an air cylinder lifting mechanism and is fixedly arranged on an air cylinder mounting frame, the air cylinder mounting frame is fixed on the moving piece, and a piston rod at the lower end of the air cylinder lifting mechanism is connected with an upper cutter assembly of the punching die.
Further, the punching device comprises an upper cutter component and a lower cutter component fixedly arranged on the mounting seat plate.
Further, an idler wheel is arranged on a material belt advancing path between the punching die and the tensioning wheel mechanism, the idler wheel is arranged on the lower side of the COF material belt and meshed with the tensioning wheel, and one end of the idler wheel is driven by a motor.
Furthermore, the front side and the rear side of the wheel body of the fixed length wheel are at least symmetrically provided with a pair of wheel discs with the same diameter, and ring array type hole opening pointed columns used for opening the material side holes are arranged on the circumferential surfaces of the two wheel discs.
Furthermore, the wheel disc is provided with a plurality of pairs, and the diameters of the symmetrical wheel discs are gradually reduced towards the middle part of the wheel body of the fixed-length wheel.
Furthermore, the tensioning wheel and the fixed length wheel are consistent in structure, the hole-opening pointed columns on the tensioning wheel are inserted into two side holes of the COF waste tape with holes, and the COF waste tape and the COF tape to be punched are tensioned through outward rotation of the tensioning wheel.
Further, the vision device is a camera.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a location and die-cut mechanism, after overcoming COF thickness attenuation, die-cut off normal and the uncontrollable problem of precision that the deformation that the material area produced in the data send process caused. The utility model discloses a location and die-cut mechanism carry out the vision to counterpoint every die-cut COF before die-cut and avoided the die-cut bad condition of continuity to take place, improve die-cut yield, reduce the scrap rate. The three width COF material belts which are high in precision processing and assembly, guarantee in transmission precision and are compatible with international standards are avoided. The addition of the full-automatic visual alignment function reduces the requirements on debugging personnel in the use process. The whole system is completed within 2.6 seconds, and the operation is stable and reliable.
Drawings
Fig. 1 is a schematic view of the lateral structure of the positioning and punching mechanism of the present invention.
Fig. 2 is a perspective view of the positioning and punching mechanism of the present invention.
Fig. 3 is an enlarged view of the tension wheel mechanism of the present invention.
Fig. 4 is an enlarged view of the fixed length wheel mechanism of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1-4, the present invention provides a thin COF roll precision positioning and punching mechanism, which comprises an installation seat plate 11, and further comprises:
the XY-axis positioning module 5 is fixedly arranged on the installation seat plate 11, and the XY-axis positioning module 5 comprises a Y-axis driving mechanism arranged on the installation seat plate 11 and an X-axis driving mechanism arranged on the Y-axis driving mechanism;
the punching die 3 is fixedly arranged on a lifting device, the lifting device is fixedly arranged on a moving part of the X-axis driving mechanism and moves along with the moving part to enable the punching die 3 to be automatically aligned, the punching die 3 is driven by the lifting device to do lifting motion, and a punching device for punching the COF material belt 6 into COF products is arranged on the punching die 3;
the fixed-length wheel mechanism 4 is fixedly arranged on the installation seat plate 11 and is arranged at a feeding station and used for conveying the COF material belt 6 in a fixed length mode, and the fixed-length wheel mechanism 4 comprises a distance motor fixedly arranged on the installation seat plate 11 and a fixed-length wheel arranged at the driving end of the distance motor;
the tensioning wheel mechanism 1 is arranged at a COF waste tape discharging station and is fixedly arranged on the installation seat plate 11, and a tensioning wheel on the tensioning wheel mechanism is matched with an upper clamping roller 10 and a lower clamping roller 10 fixedly arranged on the installation seat plate 11 to tension the COF waste tape;
the vision device 7 is movably arranged below the punching part of the punching die 3 and is matched with a vision system to shoot the position of the material belt in real time;
the material receiving device 8 is provided with a negative pressure material sucking structure, and the COF product punched by the negative pressure material sucking structure is sucked tightly and sent into the material receiving and conveying device 9.
A preferred technical solution of this embodiment: the Y-axis driving mechanism comprises a Y-axis motor, a Y-axis sliding rail and a movable block arranged on the Y-axis sliding rail, the Y-axis motor and the Y-axis sliding rail are fixedly arranged on the installation seat plate 11 in parallel, and a Y-axis sliding block is connected to the side of the driving end of the Y-axis motor.
A preferred technical solution of this embodiment: the X-axis driving mechanism is fixedly arranged on the Y-axis sliding block and comprises an X-axis motor, an X-axis sliding rail and a moving part arranged on the X-axis sliding rail, and the driving end of the X-axis motor is connected with the moving part and can drive the moving part to move in the X axial direction.
A preferred technical solution of this embodiment: the lifting device is an air cylinder lifting mechanism and is fixedly arranged on an air cylinder mounting frame, the air cylinder mounting frame is fixed on the moving part, and a piston rod at the lower end of the air cylinder lifting mechanism is connected with an upper cutter assembly of the punching die 3.
A preferred technical solution of this embodiment: the punching device comprises an upper cutter component and a lower cutter component which is fixedly arranged on the mounting seat plate 11.
A preferred technical solution of this embodiment: an idler wheel 2 is arranged on a material belt advancing path between the punching die 3 and the tensioning wheel mechanism 1, the idler wheel 2 is arranged on the lower side of the COF material belt and meshed with the tensioning wheel, and one end of the idler wheel 2 is driven by a motor.
A preferred technical solution of this embodiment: the front side and the rear side of the wheel body of the fixed length wheel are at least symmetrically provided with a pair of wheel discs with the same diameter, and ring array type hole opening pointed columns used for opening the material side holes are arranged on the circumferential surfaces of the two wheel discs.
A preferred technical solution of this embodiment: the wheel disc is provided with a plurality of pairs, and the diameters of the wheel discs which are symmetrical are gradually reduced towards the middle part of the wheel body of the fixed-length wheel.
A preferred technical solution of this embodiment: the tensioning wheel and the fixed length wheel are consistent in structure, hole-opening pointed columns on the tensioning wheel are inserted into two side holes of the COF waste material belt with holes, and the COF waste material belt and the COF belt to be punched are tensioned through outward rotation of the tensioning wheel.
A preferred technical solution of this embodiment: the vision device 7 is a camera.
Example 2:
the left tensioning wheel mechanism 1 feeds a fixed length wheel for a COF length under the condition that a COF material belt is tensioned, then the tensioning wheel is converted from a constant torque output mode into a positioning mode to reversely rotate for a preset compensation angle, (the compensation angle depends on different COF material belts, and the state of the material belt before tension is not applied can be recovered by the reversely rotated compensation angle), and the tensioning wheel is in a static state by the retaining force of a motor rotor after reverse rotation. The camera moves to the lower part of the punching die to take a picture, Mark points on the COF are automatically identified, the image processing system automatically calculates the difference value between the Mark points and the reference position calibrated during debugging, the PLC sends a message to the driving mechanism to drive the XY-axis positioning module 5 carrying the punching die 3 to execute a correction action, and the cylinder above the die 3 drives the punching die 3 to execute precise punching after the correction is finished.
To sum up, the utility model discloses a slim COF material area is accurate to be fed and is given automatic vision counterpoint and die-cut fashioned function, has improved the productivity of this type of equipment greatly under the prerequisite of ensureing die-cut precision. The utility model discloses a location is divided into three group's action orders with die-cutting mechanism and is carried out: the first group tensioning wheel tensioning COF material area front end when fixed length wheel accuracy blowing realizes thin COF material area (deformation controllable) accurate conveying to still can realize the correction of material area deformation (resume the natural state of material area before not receiving tension promptly) through moment feedback after the conveying. And the second group is combined with a vision system to take a picture, an image processing system calculates the position of the COF needing punching, and then a mechanical alignment platform is used for realizing automatic alignment of the die knife edge and a tangent line on the COF. And the third group is used for executing quick punching action by a high-precision punching mechanism. The utility model discloses the difference with current foreign technology lies in having increased transfer process tension feedback and control, increases machine vision counterpoint after the conveying and realizes accurate positioning (the position before every COF is die-cut promptly obtains confirming). The utility model discloses a location and die-cut mechanism, after overcoming COF thickness attenuation, die-cut off normal and the uncontrollable problem of precision that the deformation that the material area produced in the data send process caused. The utility model discloses a location and die-cut mechanism carry out the vision to counterpoint every die-cut COF before die-cut and avoided the die-cut bad condition of continuity to take place, improve die-cut yield, reduce the scrap rate. The three width COF material belts which are high in precision processing and assembly, guarantee in transmission precision and are compatible with international standards are avoided. The addition of the full-automatic visual alignment function reduces the requirements on debugging personnel in the use process. The whole system is completed within 2.6 seconds, and the operation is stable and reliable.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a thin COF coil stock precision positioning and die-cut mechanism, includes an installation bedplate (11), its characterized in that still includes:
the XY-axis positioning module (5) is fixedly arranged on the installation base plate (11), and the XY-axis positioning module (5) comprises a Y-axis driving mechanism arranged on the installation base plate (11) and an X-axis driving mechanism arranged on the Y-axis driving mechanism;
the punching die (3) is fixedly arranged on a lifting device, the lifting device is fixedly arranged on a moving part of the X-axis driving mechanism and moves along with the moving part to enable the punching die (3) to be automatically aligned, the punching die (3) is driven by the lifting device to do lifting motion, and a punching device for punching a COF material belt (6) into a COF product is arranged on the punching die (3);
the fixed-length wheel mechanism (4) is fixedly arranged on the installation seat plate (11) and is arranged at a feeding station and used for conveying the COF material belt (6) in a fixed length mode, and the fixed-length wheel mechanism (4) comprises a distance motor fixedly arranged on the installation seat plate (11) and a fixed-length wheel arranged at the driving end of the distance motor;
the tensioning wheel mechanism (1) is arranged at a COF waste material belt discharging station and is fixedly arranged on the installation seat plate (11), and a tensioning wheel on the tensioning wheel mechanism is matched with an upper clamping roller and a lower clamping roller (10) fixedly arranged on the installation seat plate (11) to tension the COF waste material belt;
the visual device (7) is movably arranged below the punching part of the punching die (3) and is matched with a visual system to shoot the position of the material belt in real time;
the material receiving device (8) is provided with a negative pressure material sucking structure, and the COF products punched by the negative pressure material sucking structure are sucked tightly and sent into the material receiving and conveying device (9).
2. The mechanism of claim 1, wherein the mechanism comprises: the Y-axis driving mechanism comprises a Y-axis motor, a Y-axis sliding rail and a movable block arranged on the Y-axis sliding rail, the Y-axis motor and the Y-axis sliding rail are fixedly arranged on the installation seat plate (11) in parallel, and a Y-axis sliding block is connected to the side of the driving end of the Y-axis motor.
3. The mechanism of claim 2, wherein the mechanism comprises: the X-axis driving mechanism is fixedly arranged on the Y-axis sliding block and comprises an X-axis motor, an X-axis sliding rail and a moving part arranged on the X-axis sliding rail, and the driving end of the X-axis motor is connected with the moving part and can drive the moving part to move in the X axial direction.
4. The mechanism of claim 1, wherein the mechanism comprises: the lifting device is an air cylinder lifting mechanism and is fixedly arranged on an air cylinder mounting frame, the air cylinder mounting frame is fixed on the moving part, and a piston rod at the lower end of the air cylinder lifting mechanism is connected with an upper cutter assembly of the punching die (3).
5. The mechanism of claim 1, wherein the mechanism comprises: the punching device comprises an upper cutter component and a lower cutter component which is fixedly arranged on the mounting seat plate (11).
6. The mechanism of claim 1, wherein the mechanism comprises: an idler wheel (2) is arranged on a material belt advancing path between the punching die (3) and the tensioning wheel mechanism (1), the idler wheel (2) is arranged on the lower side of the COF material belt and meshed with the tensioning wheel, and one end of the idler wheel is driven by a motor.
7. The mechanism of claim 1, wherein the mechanism comprises: the front side and the rear side of the wheel body of the fixed length wheel are at least symmetrically provided with a pair of wheel discs with the same diameter, and ring array type hole opening pointed columns used for opening the material side holes are arranged on the circumferential surfaces of the two wheel discs.
8. The mechanism of claim 7, wherein the mechanism comprises: the wheel disc is provided with a plurality of pairs, and the diameters of the wheel discs which are symmetrical are gradually reduced towards the middle part of the wheel body of the fixed-length wheel.
9. The mechanism of claim 8, wherein the mechanism comprises: the tensioning wheel and the fixed length wheel are consistent in structure, hole-opening pointed columns on the tensioning wheel are inserted into two side holes of the COF waste material belt with holes, and the COF waste material belt and the COF belt to be punched are tensioned through outward rotation of the tensioning wheel.
10. The mechanism of claim 1, wherein the mechanism comprises: the vision device (7) is a camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269370.XU CN210339795U (en) | 2019-08-01 | 2019-08-01 | Thin COF coil precision positioning and punching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269370.XU CN210339795U (en) | 2019-08-01 | 2019-08-01 | Thin COF coil precision positioning and punching mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210339795U true CN210339795U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921269370.XU Active CN210339795U (en) | 2019-08-01 | 2019-08-01 | Thin COF coil precision positioning and punching mechanism |
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| CN (1) | CN210339795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873412A (en) * | 2020-12-23 | 2021-06-01 | 深圳爱仕特科技有限公司 | Die-cut device of chip is used in electronic product processing |
-
2019
- 2019-08-01 CN CN201921269370.XU patent/CN210339795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873412A (en) * | 2020-12-23 | 2021-06-01 | 深圳爱仕特科技有限公司 | Die-cut device of chip is used in electronic product processing |
| CN112873412B (en) * | 2020-12-23 | 2022-06-28 | 广东天浩智能科技有限公司 | Die-cut device of chip is used in electronic product processing |
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