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The solid crystal welding mechanism and solid crystal of the sound coil motor and flower keys

A technology of voice coil motor and spline shaft, which is applied in the direction of circuits, electrical components, conveyor objects, etc., can solve the problems of large number of parts, unadjustable characteristics, poor dynamic performance, etc., and achieve stable installation, space saving, Overall compact effect

Active Publication Date: 2016-01-20
深圳市华科星电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution solves the defects of the original welding head up and down movement mechanism, such as poor dynamic performance and unadjustable characteristics when working at high speed.
However, in this technical solution, the up and down movement structure of the solid crystal arm uses components such as voice coil motors, linear guide rails, and slider mechanisms. The number of components used is large, and the stability and accuracy of the welding head mechanism are difficult to guarantee.

Method used

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  • The solid crystal welding mechanism and solid crystal of the sound coil motor and flower keys
  • The solid crystal welding mechanism and solid crystal of the sound coil motor and flower keys
  • The solid crystal welding mechanism and solid crystal of the sound coil motor and flower keys

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figure 1 to Figure 3 As shown, the welding head mechanism of the die bonding machine based on the voice coil motor and spline shaft includes a servo motor 1, a motor bracket 2, a coupling 3, an upper bearing seat 4, a yoke 501, a coil 502, a coil bracket 503, and a frame Body 6, spline sleeve 7, spline shaft 8, swing rod 9, spring 10 and lower bearing seat 11.

[0028] The rack body 6 has a U-shaped groove in cross-section; mounting holes are respectively provided on the opposite first side and the third side of the rack body, and U-shaped holes are respectively provided on the opposite second and fourth sides. Recess for accommodating the swing lever 9 swung to the side position. The upper bearing seat 4 and the lower bearing seat 11 are installed on the upper and lower ends of the frame body 6 respectively.

[0029] The spline sleeve 7 of the ball spline is sleeved on the spline shaft 8, and the two are integrally arranged in the groove body of the frame bo...

Embodiment 2

[0034] This preferred embodiment provides a die bonder head mechanism based on a voice coil motor and a spline shaft, the basic structure of which is the same as that of the first preferred embodiment. The voice coil motor is not limited to a cylindrical voice coil motor, and other voice coil motors are also possible. The spline shaft assembly is not limited to the ball spline, and other spline assemblies are also possible. The reset member is not limited to a spring, and other elastic parts including elastic washers are also available. The specific connection relationship between the servo motor and the coupling is not limited, and whether to use the motor bracket depends on the specific situation. The specific structure of the frame assembly is not limited, and any structure that can accommodate the voice coil motor, spline shaft, spline sleeve, swing rod and reset member and realize the stable and accurate operation of the above components can be used. Whether the U-shape...

Embodiment 3

[0041] This preferred embodiment provides a crystal bonder, on which the die bonder head mechanism based on a voice coil motor and a spline shaft as shown in preferred embodiment 1 or preferred embodiment 2 is installed.

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Abstract

The invention discloses a voice coil motor and spline shaft-based die bonder welding head mechanism and a die bonder, which are designed for solving the problems such as large number of assemblies, and difficulty in ensuring motion stability and precision of the existing device. The welding head mechanism comprises a rack assembly, a spline shaft assembly, a servo motor, a voice coil motor assembly, a swing rod and a reset piece; the spline shaft and a spline sleeve are arranged in a slot body of the rack assembly; the servo motor is connected onto the rack assembly; the voice coil motor assembly is sleeved on the spline shaft; the swing rod is mounted on the spline sleeve; and the reset piece is sleeved on the spline shaft. The voice coil motor and spline shaft-based die bonder welding head mechanism is mounted on the die bonder disclosed by the invention. The voice coil motor and spline shaft-based die bonder welding head mechanism and the die bonder are compact in structure, high in machining precision, and fewer in using parts, and the servo motor is steadily mounted.

Description

technical field [0001] The invention relates to a welding head mechanism of a crystal bonding machine and a crystal bonding machine based on a voice coil motor and a spline shaft. Background technique [0002] Die bonding machine is one of the key mechanical equipment necessary for the post-packaging process on the LED production line. The welding head mechanism is an important part of the die bonding machine, which is used to take the crystal during the die bonding process. [0003] In the Chinese patent with the notification number CN202308023U and the name "Die Bonding Head Mechanism", a die bonding head mechanism is disclosed, which uses a voice coil motor to drive the die bonding arm to move up and down along a linear guide rail. This solution solves the shortcomings of the original welding head up and down movement mechanism, such as poor dynamic performance and unadjustable characteristics when working at high speed. However, in this technical solution, components s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L33/00H01L21/603H01L21/677
Inventor 杨志军白有盾陈新高健陈新度刘冠峰李克天李泽湘杨海东
Owner 深圳市华科星电气有限公司