High-speed punching device for substrate

Abstract

The high-speed punching device for the base plate comprises a main driving motor and a transmission assembly connected to one side of the main driving motor, the two sides of the transmission assembly are provided with a set of limiting assemblies, and the bottom of the transmission assembly is connected with a punching assembly; the main driving motor drives the conveying assembly to reciprocate in a pendulum shape in the limiting assembly, and the transmission assembly drives the punching assembly to move up and down. The punching machine has the beneficial effects that the connecting rod and the piston are ingeniously combined, an electric motor can be used for driving, the punching time is prolonged by several times to dozens of times compared with that of an air cylinder, the punching time of each time is less than 0.1 second, and the punching efficiency is greatly improved. Meanwhile, a crank structure is combined, so that the punch blade can descend to the bottom, a sensor at the lower end can be omitted at the punching position, and the punching quality is guaranteed while the cost is saved.

Description

Technical Field

[0001] The invention belongs to the technical field of semiconductor processing, and in particular relates to a high-speed punching device for a substrate. Background Art

[0002] Semiconductor circuit boards are core components of modern electronic devices equipped with electronic components and are widely used in various fields such as computers, communication equipment, home appliances, automotive electronic equipment, and display screens.

[0003] The wiring quality on semiconductor circuit boards will directly affect the performance, reliability and life of electronic products. If the circuit quality is good, the stability of signal transmission, the firmness of the circuit, and the anti-interference performance can be ensured, but the defects of the circuit may also cause circuit failure, performance degradation and even damage to other components.

[0004] COF (Chip on Film), the packaging technology of chip micro-coated printed circuit boards, can meet the requirements of high integration, small packaging volume, thinness, lightness, and high resolution of LCD displays compared to previous packaging methods. Therefore, COF technology has gradually become the mainstream packaging method for LCD driver chips. Automatic optical inspection plays an important role in COF line inspection. It is a method of fully automatic line defect detection using mechanical conveyor belts, optical mapping, and image processing. It can quickly and correctly determine various types of defects on the COF line, such as open circuits, short circuits, expansions, defects, etc.

[0005] One of the characteristics of COF packaging is high circuit density and narrow circuit spacing, which means that more circuits can be accommodated in the same packaging area, thereby improving the integration and performance of the driver chip. However, due to the increase in circuit density, the frequency of defects in the manufacturing process will also increase, and the frequency of use of punches as one of the methods for automatically detecting and removing such defects will also increase accordingly. In order to improve productivity, it is required to increase the processing speed of manufacturing and inspection equipment. When the speed of the equipment is increased, the key technology that needs to be solved at present is to realize high-speed punching of the punching unit. At the same time, this also plays an important role in improving the quality and production efficiency of COF packaging. Summary of the invention

[0006] In order to solve the deficiencies of the prior art, the present invention provides a high-speed punching device for a substrate, which can effectively and quickly punch holes in the substrate, and the punching efficiency is greatly improved.

[0007] The purpose of the present invention is achieved through the following technical solutions: A high-speed punching device for a substrate comprises a main driving motor and a transmission component connected to one side of the main driving motor, a group of limit components are arranged on both sides of the transmission component, a punching component is connected to the bottom of the transmission component, the main driving motor drives the transmission component to reciprocate in a pendulum-like manner in the limit component, and the transmission component drives the punching component to move up and down.

[0008] Preferably, the main drive motor is connected to the transmission assembly via a bevel gear set.

[0009] Preferably, the transmission assembly includes a driving main rod, one side of the driving main rod is pivotally connected to the housing, a connecting rod is pivotally connected below the driving main rod, the other end of the connecting rod is connected to a piston assembly, and the piston assembly is connected to the punching assembly.

[0010] Preferably, the driving spindle comprises a cylindrical body with a crank, and the crank is pivotally connected to the connecting rod.

[0011] Preferably, the limiting assembly is a limiting rod disposed below the columnar body, the crank is placed between the limiting rods and extends downward to be connected to the connecting rod, and the limiting rod is disposed parallel to the axis of the columnar body.

[0012] Preferably, the piston assembly includes a piston rod connected to the other end of the connecting rod and a piston guide disposed at the lower end of the piston rod. The lower end of the piston rod is disposed in the piston guide and extends out of the piston guide to be connected to the punch assembly through a connecting joint.

[0013] Preferably, the punch assembly includes a punch disposed below the connecting joint, and the punch is penetrated below into a punch guide rail and reciprocates along the punch guide rail.

[0014] Preferably, the bevel gear assembly comprises a first bevel gear connected to the output shaft of the main driving motor and a second bevel gear connected to one end of the driving main rod, and the first bevel gear and the second bevel gear are both provided with mutually meshing helical gear teeth.

[0015] The beneficial effects of the present invention are as follows: the structural connecting rod and piston of the present invention are cleverly combined, and can be driven by an electric motor. The punching time is several to dozens of times faster than that of the cylinder, and the time between each drilling is less than 0.1 seconds, which greatly improves the punching efficiency. At the same time, combined with the crank structure, the punch blade can be lowered to the bottom, so the lower end sensor can be eliminated at the punching point, saving costs while ensuring the punching quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0017] Figure 1 : A schematic structural diagram of the present invention.

[0018] Figure 2 : A schematic diagram of the structure of the present invention after hiding part of the shell.

[0019] Figure 3 : A schematic diagram of the structure from another perspective after a portion of the shell of the present invention is hidden. DETAILED DESCRIPTION

[0020] The present invention proposes a high-speed punching device for substrates. In order to make the purpose, technical solution and advantages of the present invention more clear, the following is combined with the attached Figure 1 It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] The high-speed punching device for substrates comprises a housing 2, and a main driving motor 1 is arranged on one side of the housing 2. The main driving motor 1 is connected to a transmission component in the housing 2 through a bevel gear set.

[0022] A set of limiting components is arranged below the transmission component. When the main driving motor 1 works, it drives the transmission component to perform pendulum-like reciprocating motion in the limiting component.

[0023] The bottom of the transmission assembly is connected to a punching assembly via a piston assembly. When the main drive motor 1 drives the conveying assembly to reciprocate in a pendulum-like manner in the limiting assembly, the transmission assembly drives the punching assembly to move up and down.

[0024] In this embodiment, the transmission assembly is a crank structure, including a driving main rod formed by a cylindrical main body 21 with a crank 211, and one side of the cylindrical main body 21 is pivotally connected to the inner wall of the housing 2. Two cranks 211 are arranged at intervals and placed at the lower end of the cylindrical main body 21. A connecting rod 23 is pivotally connected between the two cranks 211. The lower end of the connecting rod 23 extends and is placed between the limiting assemblies and connected to the piston assembly. The limiting assemblies are a group of limiting rods 22, and the two limiting rods 22 are respectively placed at the front and rear sides of the driving main rod to limit the movement of the connecting rod 23.

[0025] A second bevel gear 12 is connected to one side of the columnar body 21, and the second bevel gear 12 is meshed with the first bevel gear at one end of the output shaft of the main drive motor 1, and both bevel gears are provided with oblique gear teeth. When the columnar body 21 is in operation of the main drive motor 1, the crank 211 will swing back and forth like a pendulum in the two limit rods 22.

[0026] The piston assembly includes a piston rod 24 connected to the lower end of the connecting rod 23 and a piston guide rail 241 disposed at the lower end of the piston rod 24. The lower end of the piston rod 24 is disposed in the piston guide rail 241 and extends out of the piston guide rail to be connected to the punch assembly through a connecting joint 25. The crank structure converts the swinging motion of the transmission assembly into the up and down reciprocating motion of the piston rod in the piston assembly.

[0027] The punch assembly includes a punch 251 disposed below the connection joint. The punch 251 is inserted below the punch guide rail 26 and reciprocates along the punch guide rail 26 .

[0028] When the device is in use, the substrate to be punched is placed at the position of the mold 3, that is, below the punch 251, and the main drive motor is working to realize the downward pressure of the punch 251 to achieve punching. Different punch sizes can be used to achieve different punching apertures, and the rising state of the punch is the standby state. Of course, in order to better detect whether the punching is reset, a sensor can be further provided to sense the reset position of the punch. The drive of the motor in the present invention can realize the high-speed descent of the punch, which is faster and more effective than the current punching using a cylinder to realize the punch work. The reason is that when the cylinder is working, there is a time lag from switching the electric valve to the actual movement of the cylinder due to the use of an air circuit, and there is also a limit on the improvement of responsiveness. Although a certain degree of high speed can be achieved by adjusting the position to allow the sensor to enter quickly, it takes 0.3 to 0.4 seconds from the issuance of the signal to the actual completion of the punching. In the present invention, the punching can be completed in about 0.1 seconds.

[0029] Finally, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. in the text indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. High-speed punching device for substrate, characterized in that: It includes a main driving motor and a transmission component connected to one side of the main driving motor, a group of limit components are arranged on both sides of the transmission component, and a punching component is connected to the bottom of the transmission component. The main driving motor drives the transmission component to reciprocate like a pendulum in the limit component, and the transmission component drives the punching component to move up and down.

2. The high-speed punching device for substrate according to claim 1, characterized in that: The main drive motor is connected to the transmission assembly through a bevel gear set.

3. The high-speed punching device for substrate according to claim 1, characterized in that: The transmission assembly includes a driving main rod, one side of which is pivotally connected to the housing, a connecting rod is pivotally connected to the lower side of the driving main rod, the other end of the connecting rod is connected to a piston assembly, and the piston assembly is connected to the punching assembly.

4. The high-speed punching device for substrates according to claim 3, characterized in that: The driving spindle comprises a cylindrical body with a crank, and the crank is pivotally connected to the connecting rod.

5. The high-speed punching device for substrate according to claim 4, characterized in that: The limiting assembly is a limiting rod arranged below the columnar body, the crank is placed between the limiting rods and extends downward to be connected with the connecting rod, and the limiting rod is arranged parallel to the axis of the columnar body.

6. The high-speed punching device for substrate according to claim 1, characterized in that: The piston assembly includes a piston rod connected to the other end of the connecting rod and a piston guide rail disposed at the lower end of the piston rod. The lower end of the piston rod is disposed in the piston guide rail and extends out of the piston guide rail to be connected to the punch assembly through a connecting joint.

7. The high-speed punching device for substrate according to claim 6, characterized in that: The punch assembly includes a punch disposed below the connecting joint, and the punch is inserted below the punch into a punch guide rail and reciprocates along the punch guide rail.

8. The high-speed punching device for substrate according to claim 2, characterized in that: The bevel gear assembly includes a first bevel gear connected to the output shaft of the main driving motor and a second bevel gear connected to one end of the driving main rod. The first bevel gear and the second bevel gear are both provided with mutually meshing oblique gear teeth.

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