High-efficiency and high-precision automatic dispensing machine

Abstract

The utility model provides a high-efficiency high-precision automatic dispensing machine which comprises a machine table, a material pushing mechanism, material box storage mechanisms, a dispensing mechanism, a working table material conveying mechanism and a main control system, the left end and the right end of the machine table are respectively provided with the material box storage mechanisms, and the working table material conveying mechanism and the dispensing mechanism are arranged between the two material box storage mechanisms. A material pushing mechanism is installed behind the material box storage mechanism on the left side of the machine table and used for pushing material sheets on the material box storage mechanism to the workbench material conveying mechanism, and the workbench material conveying mechanism is used for conveying the material sheets to sequentially pass through the dispensing mechanism and the material box storage mechanism located at the tail end of the workbench material conveying mechanism. And the pushing mechanism, the material box storage mechanism, the dispensing mechanism, the workbench conveying mechanism and the main control system are electrically connected. Optimization is carried out in an automatic assembly line mode, the technological process which can be completed by 3-5 work stations before is completed in a one-stop mode, the existing technological process is optimized, and the productivity efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip packaging, in particular to a high-efficiency and high-precision automatic dispensing machine. Background Art

[0002] With the continuous development of semiconductor technology, the chip size has gradually shrunk, the integration degree has been continuously improved, and the requirements for packaging processes have become increasingly strict. However, the traditional semiconductor chip packaging process faces challenges of low automation and weak versatility in production and processing control. The traditional packaging process usually relies on manual operation, which is not only inefficient but also difficult to ensure the consistency and stability of packaging.

[0003] The dispensing link in the chip packaging process is a key step to ensure a firm connection between the chip and the substrate or other packaging materials. The traditional process is a split-type with 3-5 workstations, which alternately complete the packaging of the chip. The process flow is relatively complex and the production efficiency is low.

[0004] There is a need for a new type of automatic dispensing machine with higher production efficiency to solve the above problems. Summary of the Utility Model

[0005] The utility model provides a high-efficiency and high-precision automatic dispensing machine, which solves the problem that the existing chip packaging process requires multiple machines for dispensing processing and has low production efficiency through technical transformation of the existing dispensing machine.

[0006] To achieve the above object, the technical solution adopted by the utility model is:

[0007] A high-efficiency and high-precision automatic dispensing machine includes a machine table, a feeding mechanism, a material box storage mechanism, a dispensing mechanism, a workbench feeding mechanism and a main control system. The material box storage mechanisms are respectively installed at the left and right ends of the machine table. The material box storage mechanism at the left end is used to store the wafers to be processed, and the material box storage mechanism at the right end is used to store the wafers after dispensing. The workbench feeding mechanism and the dispensing mechanism are installed between the two material box storage mechanisms. The feeding mechanism is installed behind the material box storage mechanism on the left side of the machine table. The feeding mechanism is used to push the wafers on the material box storage mechanism to the workbench feeding mechanism. The workbench feeding mechanism is used to convey the wafers through the dispensing mechanism and the material box storage mechanism at the end of the workbench feeding mechanism in sequence. The feeding mechanism, the material box storage mechanism, the dispensing mechanism, the workbench feeding mechanism and the main control system are electrically connected.

[0008] Preferably, the glue dispensing mechanism includes a glue dispensing component for performing glue dispensing processing on the material sheet, a CCD positioning component and an XYZ drive module for detecting the position of the material sheet, the XYZ drive module is installed on the machine table, and the glue dispensing component and the CCD positioning component are installed at the output end of the XYZ drive module, the XYZ drive module is used to drive the CCD positioning component and the glue dispensing component to move in the X, Y, and Z axis directions, and the glue dispensing component and the CCD positioning component are arranged opposite to the material sheet on the workbench material conveying mechanism.

[0009] Preferably, the material box storage mechanism includes a material box fixing frame, a material box horizontal driving module, a material box lifting driving module, an upper material box and a lower material box. The material box horizontal driving module and the material box lifting driving module are installed on the machine platform. The material box horizontal driving module is used to drive the material box fixing frame to move forward and backward relative to the machine platform, and the material box lifting driving module is used to drive the material box fixing frame to move in the vertical direction. The material box fixing frame is spaced to form an upper area and a lower area. The upper material box is placed in the upper area, and the lower material box is placed in the lower area.

[0010] Preferably, the workbench material conveying mechanism includes a material conveying table, a fixed end, a movable end, a fixed connecting block, a horizontal slide rail, a conveyor belt and a pulley driving assembly. The material conveying table is fixedly mounted on the machine platform, a fixed end is fixedly mounted on one side of the upper surface of the material conveying table, a horizontal slide rail is fixedly mounted on the side of the upper surface of the material conveying table away from the fixed end, a movable end is movably mounted on the horizontal slide rail, the movable end slides along the horizontal slide rail to approach or move away from the fixed end, and the movable end is fixedly connected to the material conveying table through a fixed connecting block, conveyor belts are mounted on the movable end and the fixed end, and the conveyor belt is drivingly connected to the pulley driving assembly mounted on the material conveying table.

[0011] Preferably, a movable pressure wheel mounting frame is rotatably installed on the outer side surfaces of the upper ends of the fixed end and the movable end, a connecting column is extended from the upper end of the movable pressure wheel mounting frame to the middle position, a movable pressure wheel is movably installed at the end of the connecting column, and the outer wheel surface of the movable pressure wheel is arranged to abut against the upper surface of the sheet.

[0012] The beneficial effects of the utility model are:

[0013] The utility model is provided with two sets of cartridge storage mechanisms on the machine table. The feeding mechanism is used to push the workpieces to be processed in the cartridge storage mechanism at the left end into the workpiece transfer mechanism on the workbench. The workpiece transfer mechanism on the workbench conveys the workpieces to the position directly below the dispensing assembly. The dispensing assembly and the CCD positioning structure are used to perform positioning and dispensing operations on the workpieces. Then, the workpiece transfer mechanism on the workbench is continuously driven to convey the workpieces to the cartridge storage mechanism at the right end. Compared with the existing chip packaging and processing, the equipment of this application is optimized in the form of an automatic assembly line, and the technological processes that could only be completed by 3-5 workstations before are completed in one stop, optimizing the existing technological processes and greatly improving the production efficiency.

[0014] The cartridge storage mechanism is divided into two layers, and the cartridge fixing frame of the cartridge storage mechanism can move up and down and back and forth, which is convenient for the feeding mechanism installed on the machine table to push the workpieces in the cartridges at different positions for feeding. The design of multiple cartridges can greatly save labor. Description of the Drawings

[0015] Figure 1 is a schematic structural view of the utility model;

[0016] Figure 2 is a top view schematic of the utility model;

[0017] Figure 3 is a schematic structural view of the dispensing mechanism and the workpiece transfer mechanism of the utility model;

[0018] Figure 4 is a schematic structural view of the workpiece transfer mechanism of the utility model;

[0019] Explanation of the reference numerals in the drawings: machine table 1, pushing mechanism 2, cartridge storage mechanism 3, cartridge fixing frame 31, upper-layer cartridge 32, lower-layer cartridge 33, dispensing mechanism 4, dispensing assembly 41, CCD positioning assembly 42, XYZ driving module 43, workpiece transfer mechanism 5, transfer table 51, fixed end 52, movable end 53, fixed connection block 54, horizontal slide rail 55, conveyor belt 56, pulley driving assembly 57, movable idler mounting bracket 58, movable idler 581. Detailed Embodiment

[0020] The following will describe the specific content of the utility model in detail with reference to the drawings and embodiments.

[0021] Please refer to Figures 1-4As shown in the figure, the utility model provides a high-efficiency and high-precision automatic dispensing machine, which includes a machine table 1, a material pushing mechanism 2, a material box storage mechanism 3, a dispensing mechanism 4, a workbench material conveying mechanism 5 and a main control system. The material box storage mechanisms 3 are respectively installed at the left and right ends of the machine table 1. The material box storage mechanism 3 at the left end is used for storing the wafers to be processed, and the material box storage mechanism 3 at the right end is used for storing the wafers after dispensing. The workbench material conveying mechanism 5 and the dispensing mechanism 4 are installed between the two material box storage mechanisms 3. The material pushing mechanism 2 is installed behind the material box storage mechanism 3 on the left side of the machine table 1. The material pushing mechanism 2 is used to push the wafers on the material box storage mechanism 3 to the workbench material conveying mechanism 5. The workbench material conveying mechanism 5 is used to convey the wafers through the dispensing mechanism 4 and the material box storage mechanism 3 at the end of the workbench material conveying mechanism 5 in sequence. The material pushing mechanism 2, the material box storage mechanism 3, the dispensing mechanism 4, the workbench material conveying mechanism 5 and the main control system are electrically connected.

[0022] Further, in order to enable the dispensing mechanism 4 to perform high-precision processing, the dispensing mechanism 4 includes a dispensing component 41 for dispensing the wafers, a CCD positioning component 42 for detecting the position of the wafers, and an XYZ driving module 43. The XYZ driving module 43 is installed on the machine table 1, and the dispensing component 41 and the CCD positioning component 42 are installed at the output end of the XYZ driving module 43. The XYZ driving module 43 is used to drive the CCD positioning component 42 and the dispensing component 41 to move in the X, Y, and Z axis directions. The dispensing component 41 and the CCD positioning component 42 are arranged facing the wafers on the workbench material conveying mechanism 5.

[0023] Further, in order to improve the loading and unloading efficiency, the material box storage mechanism 3 includes a material box fixing frame 31, a material box horizontal driving module, a material box lifting driving module, an upper material box 32 and a lower material box 33. The material box horizontal driving module and the material box lifting driving module are installed on the machine table 1. The material box horizontal driving module is used to drive the material box fixing frame 31 to move back and forth relative to the machine table 1. The material box lifting driving module is used to drive the material box fixing frame 31 to move in the vertical direction. The material box fixing frame 31 is spaced to form an upper area and a lower area. The upper material box 32 is placed in the upper area, and the lower material box 33 is placed in the lower area. When in use, the empty material box on the left is placed in the upper area, and the wafers that have been completed on the right are placed in the material box in the upper area. The material box horizontal driving module drives the material box fixing frame 31 and the material box to move back and forth relative to the machine table 1 through a belt, so as to realize automatic feeding of the wafers in different material boxes.

[0024] Furthermore, in order to achieve the material transportation effect of the workbench material conveying mechanism 5, the workbench material conveying mechanism 5 includes a material conveying platform 51, a fixed end 52, a movable end 53, a fixed connecting block 54, a horizontal slide rail 55, a conveying belt 56 and a pulley driving assembly 57. The material conveying platform 51 is fixedly installed on the machine platform 1, and the fixed end 52 is fixedly installed on one side of the upper surface of the material conveying platform 51, and the horizontal slide rail 55 is fixedly installed on the side of the upper surface of the material conveying platform 51 away from the fixed end 52. The movable end 53 is movably installed on the horizontal slide rail 55, and the movable end 53 slides along the horizontal slide rail 55 to approach or move away from the fixed end 52, and the movable end 53 is fixedly connected to the material conveying platform 51 through the fixed connecting block 54, and the movable end 53 and the fixed end 52 are installed with a conveying belt 56, and the conveying belt 56 is drivingly connected to the pulley driving assembly 57 installed on the material conveying platform 51. By adjusting the movable end 53 to move on the material transfer platform 51 and then fixing the movable end 53 by the fixed connection block 54, it is convenient to adapt to sheets of different widths and has a wider range of applications.

[0025] Furthermore, in order to obtain a more stable product transportation and processing effect, a movable pressure wheel mounting frame 58 is rotatably mounted on the outer side surface of the upper end of the fixed end 52 and the movable end 53, and a connecting column is extended from the upper end of the movable pressure wheel mounting frame 58 to the middle position, and a movable pressure wheel 581 is movably mounted at the end of the connecting column, and the outer wheel surface of the movable pressure wheel 581 is set to contact with the upper surface of the sheet. By rotating the position of the movable pressure wheel mounting frame 58, the movable pressure wheel is set to press the sheet tightly.

[0026] The machine in this application is also equipped with AOI defect visual inspection equipment and alarm device. The AOI defect visual inspection equipment is electrically connected to the main control system, and the alarm device can automatically alarm if there is a problem with the product, which is convenient for timely shutdown and maintenance.

[0027] The utility model is provided with two groups of material box storage mechanisms on the machine platform. The material sheet to be processed in the material box storage mechanism at the left end is pushed into the workbench material conveying mechanism through the material feeding mechanism. The workbench material conveying mechanism conveys the material sheet to the bottom of the dispensing component, and the dispensing component and the CCD positioning structure are used to position and dispense the material sheet. After that, the workbench material conveying mechanism is continuously driven to convey the material sheet to the material box storage mechanism at the right end. The processing is completed through a cyclic action. Compared with the existing chip packaging processing, the equipment of the present application is optimized in the form of an automatic assembly line, and the process flow that previously could only be completed by 3-5 workstations is completed in one stop, thereby optimizing the existing process flow and greatly improving the production capacity efficiency.

[0028] The material box storage mechanism is divided into two layers, and the material box fixing frame of the material box storage mechanism can move up and down and forward and backward, which is convenient for the feeding mechanism installed on the machine to push the material sheets in the material boxes at different positions for loading. The design of multiple material boxes can greatly save labor.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

[0030] The standard parts used in the present invention can all be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0031] In the description of the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", and "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Claims

1. A high-efficiency and high-precision automatic dispensing machine, characterized in that: It includes a machine, a material pushing mechanism, a material box storage mechanism, a glue dispensing mechanism, a workbench material conveying mechanism and a main control system. The material box storage mechanisms are respectively installed on the left and right ends of the machine. The material box storage mechanism at the left end is used to store the materials to be processed, and the material box storage mechanism at the right end is used to store the materials after glue dispensing. The workbench material conveying mechanism and the glue dispensing mechanism are installed between the two material box storage mechanisms. A material pushing mechanism is installed behind the material box storage mechanism on the left side of the machine. The material pushing mechanism is used to push the materials on the material box storage mechanism to the workbench material conveying mechanism. The workbench material conveying mechanism is used to convey the materials in sequence through the glue dispensing mechanism and the material box storage mechanism located at the end of the workbench material conveying mechanism. The material pushing mechanism, the material box storage mechanism, the glue dispensing mechanism, the workbench material conveying mechanism and the main control system are electrically connected.

2. A high-efficiency and high-precision automatic glue dispensing machine according to claim 1, characterized in that: The glue dispensing mechanism includes a glue dispensing component for performing glue dispensing processing on the material sheet, a CCD positioning component and an XYZ drive module for detecting the position of the material sheet. The XYZ drive module is installed on the machine table, and the glue dispensing component and the CCD positioning component are installed at the output end of the XYZ drive module. The XYZ drive module is used to drive the CCD positioning component and the glue dispensing component to move in the X, Y, and Z axis directions. The glue dispensing component and the CCD positioning component are arranged opposite to the material sheet on the workbench material conveying mechanism.

3. A high-efficiency and high-precision automatic glue dispensing machine according to claim 1, characterized in that: The material box storage mechanism includes a material box fixing frame, a material box horizontal driving module, a material box lifting driving module, an upper material box and a lower material box. The material box horizontal driving module and the material box lifting driving module are installed on the machine platform. The material box horizontal driving module is used to drive the material box fixing frame to move forward and backward relative to the machine platform. The material box lifting driving module is used to drive the material box fixing frame to move in the vertical direction. The material box fixing frame is spaced to form an upper area and a lower area. The upper material box is placed in the upper area, and the lower material box is placed in the lower area.

4. A high-efficiency and high-precision automatic glue dispensing machine according to claim 1, characterized in that: The workbench material conveying mechanism includes a material conveying platform, a fixed end, a movable end, a fixed connecting block, a horizontal slide rail, a transmission belt and a pulley driving assembly. The material conveying platform is fixedly installed on the machine platform, a fixed end is fixedly installed on one side of the upper surface of the material conveying platform, a horizontal slide rail is fixedly installed on the upper surface of the material conveying platform away from the fixed end, a movable end is movably installed on the horizontal slide rail, the movable end slides along the horizontal slide rail to approach or move away from the fixed end, and the movable end is fixedly connected to the material conveying platform through a fixed connecting block, transmission belts are installed on the movable end and the fixed end, and the transmission belt is drivingly connected to the pulley driving assembly installed on the material conveying platform.

5. A high-efficiency and high-precision automatic glue dispensing machine according to claim 4, characterized in that: A movable pressure wheel mounting frame is rotatably mounted on the outer side surfaces of the upper ends of the fixed end and the movable end, a connecting column is extended from the upper end of the movable pressure wheel mounting frame to the middle position, a movable pressure wheel is movably mounted on the end of the connecting column, and the outer wheel surface of the movable pressure wheel is arranged to contact the upper surface of the sheet.

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