Pressing apparatus, upper die control method therefor, and upper die device

Abstract

The application provides a pressing equipment, an upper die control method thereof and an upper die device. The upper die control method of the pressing equipment comprises the following steps: providing a driving module to drive a rod to provide a downward displacement driving force; providing a pressing module to set a pressing unit on a die base; and making the driving rod driven by the downward displacement driving force to act on a load measuring unit on the pressing unit in the pressing module first, and then indirectly driving the pressing die below the pressing rod of the pressing unit to press against the pressed object through the load measuring unit, so that the actual force of the upper die is more accurately controlled, and the quality of the pressing process is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to a pressing device and an upper mold control method and an upper mold device thereof, in particular to a pressing device and an upper mold control method and an upper mold device thereof cooperating with a lower mold to press a pressed object. BACKGROUND

[0002] In a general chip packaging process, an adhesive is first applied on a substrate, a die is then adhered to the substrate, a heat dissipation liquid is then applied on the die, and a heat dissipation sheet is then adhered to the heat dissipation liquid and covers the die and the substrate. Recently, the heat dissipation liquid has been gradually replaced by a heat dissipation pad with heat dissipation function. However, the heat dissipation sheet must be pressed on the substrate to make the heat dissipation sheet firmly positioned on the substrate and cover the heat dissipation pad.

[0003] The prior art uses an upper mold to cooperate with a lower mold to press a component with a die loaded on a substrate and a heat dissipation sheet completed. Although the pressing effect of the pressed object formed by the component can be achieved, the quality of the pressing is difficult to control because the pressing force is not easy to control and varies with the stability of the driving device. In order to effectively control the quality of the pressing, appropriate mechanisms and measurement methods need to be developed to stabilize the quality in the automatic pressing operation of mass production process. SUMMARY

[0004] The purpose of the present application is to provide an upper mold control method of a pressing device capable of controlling the quality of the pressing.

[0005] The upper mold control method of the pressing device comprises: providing a driving module, the driving module providing a downward displacement driving force by a driving rod; providing a pressing module, the pressing module providing a pressing unit in a mold seat; the upper mold control method of the pressing device further comprises: the driving rod driven downward displacement driving force first acts on the load measuring unit on the pressing unit in the pressing module, and the driving force indirectly drives the pressing mold below the pressing rod of the pressing unit to press the pressed object.

[0006] The upper mold control method of the pressing device, the pressing mold is sensed by a temperature sensing member.

[0007] The upper mold control method of the pressing device blows gas to the pressed object below the pressing mold to help the pressing mold smoothly separate from the pressed object when the pressing mold is completed and rises.

[0008] The upper mold control method of the pressing device, the pressing rod is maintained horizontally radially positioned and provided with upward and downward displacement pivoting by a first positioning unit of a fixed assembly.

[0009] The upper die control method of the press equipment, the press rod is maintained vertical longitudinal positioning by the second positioning unit of the fixed assembly.

[0010] The upper die control method of the press equipment, when the press rod is displaced upward and downward, the press rod is not rotated; when the driving force driving the press rod to move downward is eliminated, the restoring force is provided to move the press rod upward to restore the original positioning.

[0011] The upper die control method of the press equipment, the press die bottom surface is adjusted by adjusting the screwing degree of the two opposite fine adjustment pieces.

[0012] Another object of the present application is to provide an upper die device of a press equipment capable of controlling the press quality.

[0013] The upper die device of the press equipment, the driving module is provided with a fixed seat, the fixed seat is provided with a plurality of driving pieces, each driving piece is provided with a driving rod capable of being displaced upward and downward, the press module is located below the driving module and is provided with a die seat, the die seat is provided with a plurality of press die units corresponding to each of the driving pieces above, the press die unit is provided with a press rod assembly, the press rod assembly is provided with a press rod, the upper end of the press rod is provided with a load measuring unit, and the lower end is provided with a press die; the driving rod is driven to be displaced downward to act on the load measuring unit, and the press die below the load measuring unit is indirectly connected to the press die to press the pressed object.

[0014] The upper die device of the press equipment, the press rod is provided with a pipe, the pipe is provided with a slot opening in communication with the outside, the press die is provided with a temperature sensing piece, and the sensing line of the temperature sensing piece extends to the outside from the slot opening through the pipe of the press rod.

[0015] The upper die device of the press equipment, the press rod is provided with a pipe and a pipe wall, the pipe wall is provided with an air hole in communication with the outside, the lower end of the pipe communicates with the fixed seat at the lower end of the press rod to form a container chamber between the fixed seat and the press die, the press die is provided with at least one air duct, one end of the at least one air duct communicates with the container chamber, and the other end communicates with the area below the press die.

[0016] The upper die device of the press equipment, the load measuring unit is provided with a cover sleeve covering the upper end of the press rod, the upper end of the load measuring device in the cover sleeve is provided with a pressure contact piece protruding outside the cover sleeve, the press rod is provided with a pipe, and the lower end of the load measuring device is provided with a bottom pad embedded in the upper end of the pipe of the press rod.

[0017] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0018] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0019] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0020] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0021] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0022] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0023] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0024] The upper die device of the pressing equipment is provided with a fixed assembly, the fixed assembly is provided with a first positioning unit, the first positioning unit is provided with a shaft sleeve and a pivot base; the shaft sleeve is provided with a shaft hole for pivoting the upper and lower displacement of the pressing rod, the pivot base is provided with a pivot hole for pivoting the shaft sleeve, and a flange base is arranged at the lower end of the pivot base.

[0025] The pressing device and the upper die control method and the upper die device of the embodiment of the present application, since the driving module provides a driving force for downward displacement by a driving rod, the pressing module sets a pressing unit in a die base, the driving force of the driving rod driven downward displacement first acts on a load cell in the pressing unit of the pressing module, and the driving force indirectly drives a pressing die below a pressing rod of the pressing unit to press against a pressed object, so that the driving force of the driving rod of the driving module is first measured by the load cell, the driving force is grasped, and the quality of the pressing process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Other features and effects of the present application will be clearly presented in the embodiments with reference to the accompanying drawings.

[0027] Figure 1 FIG. 1 is a perspective view illustrating an upper die device in an embodiment of the present application;

[0028] Figure 2 FIG. 2 is a side view illustrating the upper die device;

[0029] Figure 3 FIG. 3 is a perspective view illustrating one of a plurality of pressing units in the embodiment;

[0030] Figure 4 FIG. 4 is a side view illustrating the pressing unit;

[0031] Figure 5 FIG. 5 is a sectional view illustrating the pressing unit. DETAILED DESCRIPTION

[0032] The upper die device of the heat sink pressing device of the heat sink planting process is taken as an example for illustration in the embodiment of the present application, which is used for pressing a pressed object E together with a lower die F below, and the pressed object E is a component with a die loaded on a substrate in the heat sink planting process of the semiconductor process, coated with a layer of heat sink glue solution or adhesive heat sink glue pad, and then covered with a heat sink. Only the upper die device part of the present application is taken as an example for illustration.

[0033] Please refer to Figure 1 , 2 In the embodiment of the present application, the upper die device is provided with:

[0034] The driving module AB is provided with a rectangular fixed base A, and a plurality of driving elements B composed of, for example, cylinders and arranged in a matrix are arranged below the fixed base A, each driving element B is provided with a driving rod B1 which can be individually and independently driven to move up and down;

[0035] The pressing module CD is located below the driving module AB and is provided with a rectangular die base C, and a plurality of pressing die units D are arranged in a matrix and correspond to the driving members B above respectively. A plurality of rollers A1 are arranged at the two short sides of the driving module AB with a spacing, and a plurality of rollers C1 are arranged at the two short sides of the pressing module CD with a spacing. The bottom end of the driving rod B1 of each driving member B is in a separated state and maintains a spacing d with the top end of each pressing die unit D of the pressing module CD below when not driven. The die base C of the pressing module CD is provided with a rectangular die frame C2 below.

[0036] Please refer to Figure 3 Since the structures of the pressing die units D are the same, one of the pressing die units D will be taken as a representative for illustration. The pressing die unit D is provided with a pressing rod assembly D1 and a fixing assembly D2, and a load measuring unit D3 is arranged at the top end of the pressing die unit D.

[0037] Please refer to Figure 3 、 4 、5, the pressing rod assembly D1 is provided with a pressing rod D11, the top end of the pressing rod D11 is provided with the load measuring unit D3, and the bottom end is provided with a pressing die D12; wherein:

[0038] The pressing rod D11 is a hollow tube and is provided with a pipe D111 at the center of the tube, the top end of the pipe D111 is located below the load measuring unit D3, the bottom end of the pipe D111 is provided with a notch D113 communicated with the outside from the pipe wall D112, the bottom end of the pipe D111 is communicated with a fixing seat D114 at the bottom end of the pressing rod D11 to form a chamber D115 between the fixing seat D114 and the pressing die D12, the other side of the pipe wall D112 relative to the notch D113 is provided with a gas hole D116 communicated with the outside; the load measuring unit D3 is provided with a cover D31 covering the top end of the pressing rod D11, a load measuring device D32 in the cover D31 is provided with a pressing contact D33 protruding from the cover D31, and the bottom end of the load measuring device D32 is provided with a bottom pad D34 embedded in the top end of the pipe D111 of the pressing rod D11; the driving force of the driving rod B1 driven to displace downward first acts on the load measuring unit D3 of the pressing die unit D in the pressing module CD, and the driving force indirectly drives the pressing die D12 below the pressing rod D11 of the pressing die unit D to press against the object E;

[0039] The compression mold D12 is made of non-metal material with pressure resistance and high temperature resistance, such as polyetherimide (PEI), which is provided with a temperature sensing element D121 for sensing the temperature conducted from the lower mold F to the compression mold D12 through the object E when the compression mold D12 is pressed against the object E, the temperature sensing element D121 is linear and extends to the outside through the slot D113 via the pipe D111 of the compression rod D11, the compression mold D12 around the temperature sensing element D121 is provided with a plurality of air channels D122, one end of each air channel D122 communicates with the chamber D115 of the fixed seat D114 at the lower end of the compression rod D11, the other end communicates with the area below the compression mold D12, gas can be introduced into the chamber D115 through the air hole D116 of the compression rod D11 via the pipe D111, and then diffused from the chamber D115 to each air channel D122 to blow against the object E below the compression mold D12, so as to assist the compression mold D12 to smoothly separate from the object E when it is lifted after completing the pressing.

[0040] The fixed assembly D2 is provided with a first positioning unit D21 for maintaining the horizontal radial positioning of the compression rod D11 and providing the compression rod D11 with upward and downward displacement pivoting, and a second positioning unit D22 for maintaining the vertical longitudinal positioning of the compression rod D11; wherein,

[0041] The first positioning unit D21 is provided with a shaft sleeve D211 and a pivot base D212. The shaft sleeve D211 is provided with a shaft hole D213 for the vertical Z-axis displacement of the upper and lower displacement of the pressing rod D11, and a flange part D214 with a larger diameter than the outer diameter of the shaft sleeve D211 is arranged on the upper end of the shaft sleeve D211. The pivot base D212 is provided with a pivot hole D215 for the pivot of the shaft sleeve D211, and a flange base D216 extending radially outward from the pivot base D212 is arranged on the lower end of the pivot base D212. The radial width of the flange base D216 is greater than the radial width of the pivot base D212. The second positioning unit D22 is provided with a first positioning base D221 and a second positioning base D222. The first positioning base D221 is located adjacent to the lower side of the load measuring unit D3, and is provided with a first fastener D2211 and a second fastener D2212 which are separate components. The first fastener D2211 and the second fastener D2212 are radially close to each other and are fixed by screws. The first fastener D2211 is provided with a gas guide hole D2213 corresponding to the gas hole D116 on the pressing rod D11 and communicating with the gas hole D116. The first fastener D2211 can input positive pressure gas through the gas guide hole D2213 into the pipeline D111 of the pressing rod D11 through the gas hole D116. The second positioning base D222 is located below the first positioning base D221, and is provided with a first support D2221 and a second support D2222 which are separate components. The first support D2221 and the second support D2222 are radially arranged in the displacement interval D2223 outside the outer diameter of the pressing rod D11. The upper end of the first support D2221 forms an arc interval D2224 to form part of the outer ring diameter of the displacement interval D2223. The lower end is fixed to the flange base D216 of the pivot base D212 of the first positioning unit D21. The second support D2222 is fixed to the flange base D216 of the pivot base D212 of the first positioning unit D21 at the lower end, and is provided with a shaft pin D2225 protruding upward which is used to fix the bottom of the second fastener D2212.

[0042] A spring assembly D23 is arranged between the first positioning unit D21 and the second positioning unit D22. The spring assembly D23 is arranged outside the pressing rod D11 and in the displacement interval D2223. The lower end of the spring assembly D23 abuts the upper surface of the flange part D214 of the shaft sleeve D211 of the first positioning unit D21, and the upper end abuts the lower bottom edge of the first fastener D2211 of the second positioning unit D22.

[0043] The presser D11 is connected to the first fastener D2211 of the second positioning unit D22 and the shaft pin D2225, when the shaft pin D2225 moves up and down, the presser D11 does not rotate, when the driving force of the presser D11 is removed, the elastic component D23 provides a compressed restoring force to the first fastener D2211 of the second positioning unit D22, so that the presser D11 moves up to return to the original position.

[0044] The flange part D214 of the shaft sleeve D211 of the first positioning unit D21 is formed with two parallel flange edges D217 on both sides, the outer diameter of the pivot base D212 is formed with two parallel outer diameter edges D218 on both sides, the flange edges D217 correspond to the outer diameter edges D218 and are vertically aligned, the first positioning seat D221 and the second positioning seat D222 of the second positioning unit D22 are respectively correspondingly clamped on both sides of the flange edges D217 and the outer diameter edges D218, so as to limit the relative rotation of the shaft sleeve D211 and the pivot base D212.

[0045] The fixed component D2 is embedded in the positioning part C3 of the upper surface of the mold base C, and the approximately rectangular ring frame shaped fixed part D4 is sleeved on the second positioning seat D222 of the second positioning unit D22 and the shaft sleeve D211 of the first positioning unit D21, and is screwed to the upper surface of the mold base C, the fixed part D4 is in the form of a sheet, which is provided with a hollow hole D41 with an inner diameter smaller than the outer diameter of the flange seat D216 of the pivot base D212, so that the fixed part D4 is pressed on the upper surface of the flange seat D216 by the inner edge part of the hollow hole D41, and the pivot base D212 is limited in the positioning part C3 of the mold base C.

[0046] The bottom C31 of the positioning part C3 is provided with a circular hollow through hole C32, and the bottom C31 is provided with an annular gasket D5, the center of the gasket D5 is provided with a hollow hole D51 corresponding to and approximately the same size as the through hole C32 of the bottom C31 of the positioning part C3, the through hole C32 and the hollow hole D51 are larger than the outer diameter of the shaft sleeve D211 of the first positioning unit D21, and the shaft sleeve D211 is arranged therein; the fixed seat D114 at the lower end of the presser D11 and the fixed press D12 are arranged in the mold chamber C21 separated by the mold frame C2 below the mold base C, the mold chamber C21 is provided with a square opening C22 below and communicates with the through hole C32 above; the press D12 can move up and down in the mold chamber C21 driven by the presser D11.

[0047] The inner diameter of the sleeve hole D41 of the fixing member D4 is larger than the outer diameter of the shaft sleeve D211, and the inner edge of the fixing member D4 is formed with four radially outward concave grooves D42 distributed in a cross shape at 90 degrees. Each of the concave grooves D42 is provided with a micro-adjusting member D6 in the form of a stud screw. The micro-adjusting member D6 is screwed onto the upper surface of the flange seat D216 of the pivot seat D212 of the first positioning unit D21 and is downwardly abutted to the upper surface of the gasket D5. By adjusting the downward screwing degree of the two opposite micro-adjusting members D6 to the gasket D5, the first positioning unit D21 can be connected to the second positioning unit D22 and the lower end of the pressing rod D11 to tilt the pressing die D12 to one side to adjust the horizontal surface of the bottom of the pressing die D12. The die seat C is made of aluminum material. In order to prevent the bottom of the positioning part C3 from being damaged due to long-term screwing, the gasket D5 made of iron is provided. In other embodiments of the present application, the gasket D5 can be omitted.

[0048] The pressing equipment, the upper die control method and the upper die device of the embodiments of the present application have the following advantages. The driving module AB provides a downward displacement driving force through the driving rod B1, and the pressing module CD sets the pressing die unit D on the die seat C. The driving force of the driving rod B1 driven to displace downward first acts on the load measuring unit D3 on the pressing die unit D in the pressing module CD, and then indirectly drives the pressing die D12 below the pressing rod D11 of the pressing die unit D to press against the object E. Therefore, the driving force of the driving rod B1 of the driving module AB is first measured by the load measuring unit D3, so that the driving force is grasped, and the quality of the pressing process is improved.

[0049] The above description is only a specific embodiment of the present application, and cannot limit the scope of the claims of the present application. Equivalent changes made according to the description of the claims and the specification of the present application should also be covered by the scope of the claims of the present application.

Claims

1. A method for controlling the upper mold of a pressing device, comprising: A drive module is provided, which includes a drive rod and provides a driving force for downward displacement via the drive rod; A pressing module is provided, comprising a mold base and a pressing mold unit disposed on the mold base. The pressing mold unit comprises a pressure rod, a load-measuring unit, and a pressing mold. The load-measuring unit is disposed at the upper end of the pressure rod, and the pressing mold is disposed at the lower end of the pressure rod. The upper mold control method of the pressing equipment further comprises: the driving force that causes the driving rod to move downwards first acts on the load-measuring unit located at the upper end of the pressure rod of the pressing mold unit, and then the load-measuring unit drives the pressing mold located at the lower end of the pressure rod of the pressing mold unit to press against the object being pressed.

2. The upper mold control method for the pressing equipment according to claim 1, characterized in that: The temperature of the mold is sensed by a temperature sensing element.

3. The upper mold control method for the pressing equipment according to claim 1, characterized in that: Gas is blown onto the object under the mold to help the mold detach smoothly from the object when it is about to rise after pressing.

4. The upper mold control method for the pressing equipment according to claim 1, characterized in that: The molding unit includes a fixing component, wherein the first positioning unit of the fixing component maintains the horizontal radial positioning of the pressure rod and allows the pressure rod to be pivotally displaced up and down.

5. The upper mold control method for the pressing equipment according to claim 1, characterized in that: The molding unit includes a fixing component, and the pressure bar is held vertically and longitudinally positioned by a second positioning unit of the fixing component.

6. The upper mold control method for the pressing equipment according to claim 1, characterized in that: When the pressure rod moves up or down, it does not rotate; when the driving force that drives the pressure rod to move down is eliminated, it provides a restoring force to make the pressure rod move up and return to its original position.

7. The upper mold control method for the pressing equipment according to claim 4, characterized in that: The fixing component includes a plurality of fine-tuning parts disposed on the first positioning unit, the lower ends of the fine-tuning parts abutting against the mold base, and the bottom surface of the mold is adjusted by adjusting the screw engagement degree of two opposing fine-tuning parts.

8. An upper mold device for a pressing apparatus, comprising a drive module and a pressing module, the drive module comprising a fixed base, the fixed base comprising a plurality of drive members, each of the drive members comprising a drive rod capable of vertical displacement, the pressing module being located below the drive module and comprising a mold base and a plurality of pressing mold units disposed on the mold base, each of the pressing mold units corresponding to the drive members above, characterized in that: The pressing unit includes a pressing rod, a load measuring unit, and a pressing mold. The load measuring unit is located at the upper end of the pressing rod, and the pressing mold is located at the lower end of the pressing rod. The driving rod is driven to move downward and act on the load measuring unit. Then, the load measuring unit is connected to the pressing mold at the lower end of the pressing rod to press against the object being pressed.

9. The upper mold device of the pressing equipment according to claim 8, characterized in that: The pressure bar includes a conduit with a slot communicating with the outside, and the mold includes a temperature sensing element with a sensing wire extending from the conduit of the pressure bar through the slot to the outside.

10. The upper mold device of the pressing equipment according to claim 8, characterized in that: The pressure rod includes a pipe and a pipe wall. The pipe wall includes an air hole that communicates with the outside. The lower end of the pipe is connected to a fixed seat at the lower end of the pressure rod to form a chamber between the fixed seat and the mold. The mold includes at least one air passage. One end of the at least one air passage communicates with the chamber, and the other end communicates with the area below the mold.

11. The upper mold device of the pressing equipment according to claim 8, characterized in that: The load measuring unit includes a cover, a load measuring instrument, a pressure contact element, and a bottom pad. The cover is placed over the top of the upper end of the pressure rod, the load measuring instrument is located inside the cover, the pressure contact element is disposed on the upper end of the load measuring instrument and protrudes outside the cover, the pressure rod includes a pipe, and the bottom pad is disposed at the lower end of the load measuring instrument and embedded in the upper port of the pipe of the pressure rod.

12. The upper mold device of the pressing equipment according to claim 8, characterized in that: The molding unit includes a fixing component, which includes a first positioning unit, which includes a bushing and a pivot seat. The bushing includes a shaft hole for pivoting the upper and lower displacement of the pressure rod, and the pivot seat includes a pivot hole for pivoting the bushing and a flange seat at the lower end of the pivot seat.

13. The upper mold device of the pressing equipment according to claim 12, characterized in that: The fixing component includes a second positioning unit, and an elastic component is provided between the first positioning unit and the second positioning unit.

14. The upper mold device of the pressing equipment according to claim 13, characterized in that: The second positioning unit includes a first positioning seat and a second positioning seat; the first positioning seat clamps and fixes the outer diameter of the pressure rod, the second positioning seat is located below the first positioning seat, and includes a first support and a second support with mutually separate components, the first support and the second support facing each other and radially surrounding the displacement range outside the outer diameter of the pressure rod; the elastic component is sleeved outside the outer diameter of the pressure rod and located in the displacement range.

15. The upper mold device of the pressing equipment according to claim 14, characterized in that: The lower end of the second support frame is fixed to the flange seat of the pivot of the first positioning unit, and a pin protrudes from the upper end. The first positioning seat includes a first fastener and a second fastener that clamp the outer diameter of the pressure rod. The pin is fixed to the bottom of the second fastener with its upper end face. The upper end of the first support frame forms an arc-shaped section that surrounds the outer ring diameter of the displacement range, and the lower end is fixed to the flange seat of the pivot of the first positioning unit.

16. The upper mold device of the pressing equipment according to claim 12, characterized in that: The flange seat of the pivot of the first positioning unit is embedded in the positioning part of the mold base, and the pivot is restricted in the positioning part of the mold base by a fastener fixed to the upper surface of the mold base.

17. The upper mold device of the pressing equipment according to claim 16, characterized in that: The fastener includes a sleeve hole with an inner diameter smaller than the outer diameter of the flange seat of the pivot. The inner edge of the fastener includes multiple fine-tuning intervals. The fastening assembly also includes multiple fine-tuning components. Each fine-tuning interval has a corresponding fine-tuning component. The fine-tuning component is screwed onto the upper surface of the flange seat of the pivot of the first positioning unit and abuts downwards against the upper surface of the bottom pad in the positioning part.

18. A pressing device, characterized in that: The pressing device is used to perform the upper mold control method of the pressing device according to any one of claims 1 to 7, and the pressing device includes an upper mold device, which includes the driving module and the pressing module.

19. A pressing device, characterized in that: The pressing equipment includes the upper mold device of the pressing equipment according to any one of claims 8 to 17.

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