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CN-121985762-A - Press-fit method and press-fit equipment

CN121985762ACN 121985762 ACN121985762 ACN 121985762ACN-121985762-A

Abstract

The invention provides a pressing method and pressing equipment. The pressing method comprises the steps of providing a component which is provided with a substrate and is provided with crystal grains and covered with radiating fins as a pressed object, providing an upper die device, and jointly pressing the pressed object by the upper die device in cooperation with a lower die below, wherein the upper die device comprises a driving module for providing driving force and a pressing module provided with a pressing die, the driving force enables the pressing die to press the pressed object, and the driving force is measured by a load measuring unit, so that the quality of a pressing process is improved.

Inventors

  • WANG ANTIAN
  • Ke Youlian
  • LIN YIDA

Assignees

  • 万润科技股份有限公司

Dates

Publication Date
20260505
Application Date
20201225

Claims (16)

  1. 1. A pressing method includes providing a component with crystal grains and radiating fins on a substrate as a pressed object, providing an upper die device, and pressing the pressed object together by the upper die device in cooperation with a lower die below the upper die device, wherein the upper die device comprises a driving module for providing driving force and a pressing module provided with a pressing die, and the driving force enables the pressing die to press against the pressed object.
  2. 2. The bonding method according to claim 1, wherein the temperature sensor senses the temperature of the pressing member from the lower die.
  3. 3. The method of pressing according to claim 1, wherein the pressing object under the pressing die is blown to assist the pressing die to separate from the pressing object when the pressing up is completed.
  4. 4. The bonding method according to claim 1, wherein the bonding module is horizontally and radially positioned by a first positioning unit and vertically and longitudinally positioned by a second positioning unit.
  5. 5. The pressing method according to claim 1, wherein the pressing module is provided with a pressing bar assembly, the pressing bar assembly is provided with a pressing bar, the pressing bar is arranged at the lower end of the pressing bar, and the upper die device provides a restoring force when a driving force for driving the pressing bar to move downwards is eliminated.
  6. 6. The method of claim 1, wherein the bottom surface of the pressing mold is adjusted by adjusting the screw-supporting degree of two opposite fine-tuning members.
  7. 7. The pressing equipment comprises a driving module for providing driving force and a pressing die unit provided with a pressing die, wherein the pressing die unit and the driving module are arranged on an upper die device together, the upper die device is matched with a lower die arranged below the upper die device to jointly press a pressed object, the pressing die unit is arranged on a die seat of the pressing module, and the driving force enables the pressing die to press the pressed object.
  8. 8. The pressing apparatus of claim 7, wherein the pressing bar includes a pipe and a notch formed in a wall of the pipe and communicating with the outside, and the pressing die is provided with a temperature sensing member, and the temperature sensing member is a sensing wire extending from the notch to the outside through the pipe of the pressing bar.
  9. 9. The pressing apparatus of claim 7, wherein the pressing unit is provided with a pressing bar assembly, the pressing bar assembly is provided with a pressing bar, and the load measuring unit is disposed above the pressing bar.
  10. 10. The pressing apparatus of claim 7, wherein the pressing unit is provided with a pressing bar assembly, the pressing bar assembly is provided with a pressing bar, and the pressing bar is arranged at the lower end of the pressing bar.
  11. 11. The pressing apparatus of claim 10, wherein the pressing lever is provided with a pipe, and the pipe is provided with a notch communicating with the outside.
  12. 12. The pressing apparatus of claim 10, wherein the pressing rod is provided with a pipe, the pipe wall is provided with an air hole communicated with the outside, a fixing seat at the lower end of the pipe is communicated with the lower end of the pressing rod to form a chamber between the fixing seat and the pressing die, the pressing die is provided with an air passage, one end of the air passage is communicated with the chamber, and the other end of the air passage is communicated with an area below the pressing die.
  13. 13. The pressing apparatus of claim 10, wherein the load measuring unit is provided with a jacket covering the top of the upper end of the pressure rod, the upper end of the load measuring device in the jacket is provided with a pressing contact piece protruding out of the jacket, and the lower end of the load measuring device is provided with a bottom pad embedded in the upper port of the pipeline of the pressure rod.
  14. 14. The pressing apparatus of claim 10, wherein the upper die device is provided with an elastic member that is acted upon by the pressing lever when a driving force for driving the pressing lever downward is eliminated.
  15. 15. The bonding apparatus of claim 7, wherein the plurality of rollers are spaced apart from each other on opposite sides of one of the drive module and the bonding module.
  16. 16. A bonding apparatus characterized by being used for executing the bonding method according to any one of claims 1 to 6.

Description

Press-fit method and press-fit equipment The invention relates to a divisional application of 'application date: 12 months and 25 days in 2020, application number: 202011567805.6, and name: pressing equipment, upper die control method and upper die device'. Technical Field The present invention relates to a pressing method and a pressing apparatus, and more particularly, to a pressing method and a pressing apparatus for pressing a pressed object having a die and a heat sink thereon. Background In a general chip packaging process, an adhesive is coated on a substrate, a die is adhered to the substrate, a layer of heat dissipation glue solution is coated on the die, a heat dissipation sheet is planted on the heat dissipation glue solution in an adhering manner and covers the die and the substrate, and recently the heat dissipation glue solution is gradually replaced by a heat dissipation rubber cushion with a heat dissipation function, but the heat dissipation sheet on the substrate must be pressed together in the same process of planting the heat dissipation sheet, so that the heat dissipation sheet can be stably positioned on the substrate and covered on the heat dissipation rubber cushion. In the prior art, an upper die is matched with a lower die to jointly press a component with grains on a substrate and finish covering a radiating fin when the upper die is used, and the pressing effect of a pressed object formed by the component can be achieved, but the pressing quality is difficult to control, the pressing force is difficult to control, the stability of the pressing force is easy to change along with the stability of the force output by a driving device, and in order to effectively control the pressing quality, a proper mechanism and a proper measuring mode need to be developed so as to stabilize the quality in the automatic pressing operation of a mass production process. Disclosure of Invention The invention aims to provide an upper die control method of pressing equipment capable of controlling pressing quality. The upper die control method of the pressing equipment comprises the steps of providing a driving module, providing a pressing module, and providing a pressing die unit by a die holder, wherein the driving module provides a downward displacement driving force by a driving rod, and the driving module enables the driving rod to act on a load measuring unit on the pressing die unit in the pressing module under the driving force of the driving rod, and then drives a pressing die below a pressing rod of the pressing die unit to press a pressed object indirectly through the load measuring unit. According to the upper die control method of the pressing equipment, the pressing die is subjected to temperature sensing by the temperature sensing piece. According to the upper die control method of the pressing equipment, the pressed object below the pressing die is subjected to gas blowing to assist the pressing die to be smoothly separated from the pressed object when the pressing die is lifted to finish pressing. According to the upper die control method of the pressing equipment, the pressing rod is horizontally and radially positioned by the first positioning unit of the fixing assembly and pivoted by upper and lower displacement. According to the upper die control method of the pressing equipment, the pressing rod is maintained to be vertically and longitudinally positioned by the second positioning unit of the fixing assembly. According to the upper die control method of the pressing equipment, the pressing rod does not rotate when the pressing rod moves up and down, and the restoring force is provided when the driving force for driving the pressing rod to move down is eliminated, so that the pressing rod moves back to restore and position. According to the upper die control method of the pressing equipment, the screw degree of the two opposite fine tuning pieces is adjusted to adjust the bottom surface of the pressing die. Another object of the present invention is to provide a die-loading device of a press-fit apparatus capable of controlling press-fit quality. The invention relates to an upper die device of pressing equipment, which comprises a driving module and a pressing module, wherein the driving module is provided with a fixed seat, the fixed seat is provided with a plurality of driving parts, each driving part is provided with a driving rod capable of moving up and down, the pressing module is positioned below the driving module and is provided with a die holder, the die holder is provided with a plurality of die pressing units respectively corresponding to the driving parts above, the die pressing unit is provided with a pressing rod assembly, the pressing rod assembly is provided with a pressing rod, the top of the upper end of the pressing rod is provided with a load measuring unit, the lower end of the pressing rod is provided with a pressing die, the driving rod is driven to move do