CN-121985763-A - Press fitting equipment

CN121985763ACN 121985763 ACN121985763 ACN 121985763ACN-121985763-A

Abstract

The invention provides pressing equipment which comprises an upper die device matched with a lower die to jointly press a pressed object, wherein the upper die device is provided with a die pressing unit under the action of the driving force of a driving module, the die pressing unit is provided with a die pressing, the die pressing is provided with an air passage, the air passage is communicated with a region below the die pressing, and air can be introduced to blow and support the air below the die pressing, 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 (14)

1. The pressing equipment comprises an upper die device matched with a lower die below to jointly press a pressed object, wherein the upper die device is provided with a die pressing unit under the action of the driving force of a driving module, and the die pressing unit is provided with a die pressing.
2. The pressing apparatus of claim 1, wherein the pressing unit is provided with a pressing rod, the pressing rod is provided with a pressing die at the lower end, and the pressing rod is provided with a hollow pipe.
3. The pressing apparatus of claim 2, wherein the wall of the pipe is provided with air holes communicated with the outside, the 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 mold, one end of the air passage of the pressing mold is communicated with the chamber, and the introduced air is diffused from the chamber to each air passage through the pipe.
4. The pressing apparatus of claim 2, wherein the pipe is provided with a notch communicating with the outside, and the pressing die is provided with a temperature sensing member to sense that a wire extends from the notch to the outside through the pipe of the pressing bar.
5. The pressing apparatus of claim 1, wherein the pressing unit is provided with a fixing member provided with a first positioning unit for maintaining horizontal radial positioning or a second positioning unit for maintaining vertical longitudinal positioning.
6. The pressing apparatus of claim 5, wherein the first positioning unit has a shaft sleeve and a pivot seat, the shaft sleeve has a shaft hole for the press rod to pivot up and down, the pivot seat has a pivot hole for the shaft sleeve to pivot, and a flange seat is provided at the lower end of the pivot seat.
7. The pressing apparatus of claim 6, wherein the fixing component is embedded in a positioning portion of the die holder by the flange seat of the pivot seat of the first positioning unit, and is fixed on the upper surface of the die holder by a fixing piece, so that the pivot seat is limited in the positioning portion of the die holder.
8. The pressing apparatus of claim 7, wherein the fixing member has a sleeve hole with an inner diameter smaller than an outer diameter of the flange seat of the pivot seat, a plurality of fine adjustment sections are formed at an inner edge of the fixing member, fine adjustment members are disposed in each fine adjustment section, and the fine adjustment members are screwed on an upper surface of the flange seat of the pivot seat of the first positioning unit and are abutted downward to an upper surface of the bottom gasket in the positioning portion.
9. The pressing equipment of claim 5, wherein the second positioning unit is provided with a first positioning seat and a second positioning seat, the first positioning seat is fixed on the outer diameter clip of the pressing rod, the second positioning seat is positioned below the first positioning seat and is provided with a first support frame and a second support frame which are mutually separating members, the first support frame and the second support frame are oppositely arranged outside a displacement interval which is radially enclosed outside the outer diameter of the pressing rod, and an elastic element is arranged between the first positioning unit and the second positioning unit and is sleeved outside the outer diameter of the pressing rod and is positioned in the displacement interval.
10. The press-fit equipment according to claim 9, wherein the lower end of the second support is fixed on a flange seat of a pivot seat of the first positioning unit, a shaft pin is arranged on the upper end of the second support, the first positioning seat is provided with a first fastener and a second fastener for clamping the outer diameter of the pressing rod, the shaft pin is fixed at the bottom of the second fastener through the upper end face of the shaft pin, the upper end of the first support forms a part of an outer diameter of the displacement interval surrounded by an arc interval, and the lower end of the first support is fixed on the flange seat of the pivot seat of the first positioning unit.
11. The bonding apparatus of claim 1, wherein the compression material is a component with a die and a heat sink attached to the substrate.
12. The pressing equipment according to claim 1, wherein the upper die device is provided with a driving module and a pressing module, the driving module is provided with a plurality of driving parts, each driving part provides the driving force, the pressing module is provided with a plurality of die units, a die frame is arranged below a die holder, the die holder is provided with a positioning part, the bottom of the positioning part is provided with a through hole, the die units are provided with pressing rods, the pressing rods are arranged at the lower ends of the pressing rods, the pressing rods are accommodated in die chambers separated in the die frame, the lower parts of the die chambers are open, the upper parts of the pressing rods are communicated with the through holes, and the pressing rods can be positioned in the die chambers in an up-and-down displacement mode by the pressing rods in an interlocking manner.
13. The pressing apparatus of claim 1, wherein the pressing unit is provided with a pressing rod, the pressing die is disposed at a lower end of the pressing rod, a load measuring unit is disposed above the pressing rod, and the driving force is measured by the load measuring unit.
14. The press-fit equipment according to claim 1, wherein the upper die device is provided with a driving module and a press-fit module, the driving module is provided with a plurality of driving pieces, each driving piece provides the driving force, the press-fit module is provided with a plurality of press-die units, and two sides of one of the driving module or the press-fit module are provided with a plurality of rollers with intervals.

Description

Press fitting 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 device, and more particularly, to a pressing device 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 covered on 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 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 in use, although the pressing effect of a pressed object formed by the component can be achieved, the pressing quality is difficult to control, the pressing force is difficult to control, the stability of the pressing force along with the driving device is easy to change, and in order to effectively control the pressing quality, a proper mechanism and a 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 downwards to act on the load measuring unit, and the pressing die below the pressing rod is indirectly linked by the load measurin