TW202403958A - Pressing device and pressing equipment provided with a mold frame having a base and a top seat spaced up and down by a height - Google Patents

Abstract

The present invention provides a pressing device and pressing equipment. The pressing device is provided with: a mold frame having a base and a top seat spaced up and down by a height. Vertical pivot rods are disposed between the base and the top seat. An upper mold base is pivoted on each of the pivot rods, and can be driven to move up and down by a driving member on each of the pivot rods; the upper mold base is provided with an upper mold frame, the base is provided with a lower mold base; the upper mold frame is used to accommodate a pressing module; the pressing module is provided with a mold base, the mold base is provided with a pressing unit, and the pressing unit is provided with a pressing mold; The lower mold base is provided with a lower mold; in this way, when the pressing module is inserted, the central positioning portion of the mold base corresponds to the central reference portion to be positioned.

Description

Pressing device and pressing equipment

The present invention relates to a pressing device and pressing equipment, and in particular to a pressing device and pressing equipment for pressing a pressed object carrying a crystal grain on a substrate and covered with a heat sink.

Press, in the general chip packaging process, adhesive is often coated on a substrate, and then a die is adhered to the substrate. A layer of heat dissipation glue must be coated on top of the die, and then a heat sink is adhered. The method is implanted on the heat dissipation glue and covers the die and the substrate. Recently, the heat dissipation glue has been gradually replaced by a heat dissipation rubber pad with heat dissipation function. However, regardless of whether the heat dissipation glue or the heat dissipation film is used, In the process of placing the heat sink, the heat sink on the substrate must be pressed together so that the heat sink can be firmly positioned on the substrate and the chip is covered in the heat sink.

The prior art patent case I745822 "Pressing Equipment, Conveying Method of Pressing Equipment, Conveying Device and Conveying Mechanism" proposes a pressing mechanism for heat sinks. The specification mentions that the first pressing mechanism 1 is provided with a first pressing mechanism. A first support unit in a setting space, a first lower mold and a first upper mold disposed in the first setting space, and a first power unit for controlling the movement of the first upper mold; the first The support unit is provided with a first bottom plate, a first top plate spaced above the first bottom plate, and a plurality of first support rods connected between the first bottom plate and the first top plate; the first bottom plate, The first top plate and the first support rod jointly define the first installation space. The first lower mold is arranged on the first bottom plate and is suitable for placing one of the objects to be transported carrying the object to be pressed; the first upper mold and the first lower mold are detachably arranged. Above the first bottom plate; the first lower mold and the first upper mold jointly define a space suitable for pressing the object to be pressed on the object to be transported placed on the first lower mold. The first pressing area; the first power unit protrudes from the first top plate of the first bracket unit and is connected to the first upper mold, and is used to control the first upper mold to move up and down along a Z direction, so that the third An upper mold can have a first pressing position relative to the first lower mold that together constitutes the first pressing area with the first lower mold, and a first separation position separated from the first lower mold. The Z direction moves.

The prior art I745822 provides an upper mold that cooperates with a lower mold to jointly press a component on which a chip is mounted on a substrate and is covered with a heat sink. Although the pressing effect of the pressure object formed by the component can be achieved, However, there are many types and specifications of wafers. During the lamination process, operators often need to frequently replace the upper and lower dies in response to changes in wafer types and specifications. This is not only time-consuming and labor-intensive, but also requires precise alignment of the upper and lower dies. The requirements are very high, which adds to the trouble when changing molds.

Specifically, an object of the present invention is to provide a pressing device that solves at least one shortcoming of the prior art.

Another object of the present invention is to provide a laminating equipment using the laminating device.

The pressing device according to the object of the present invention is provided with: a mold frame, a base and a top seat separated by a height above and below, an upright pivot rod is provided between the base and the top seat, and an upper mold The seat pivot is arranged on each pivot rod, and can be driven by a driving member on each pivot rod to move up and down; the upper mold base is provided with an upper mold frame, and the base is provided with a lower mold base; The upper mold frame is used to accommodate a press-fitting die set; the press-fitting die set is provided with a die base, the die base is provided with a pressing unit, and the pressing unit is provided with a pressing mold; the lower die base is provided with a lower mold; The upper mold is equipped with a central reference portion, and the mold base is provided with a central positioning portion at the center of the side away from the operator; when the press-fitting mold group is inserted, the central positioning portion of the mold base corresponds to the central reference portion. Get positioning.

According to another object of the present invention, a pressing device is provided with the pressing device as described above.

The pressing device and pressing equipment according to the embodiment of the present invention, because the upper mold base An upper mold frame is provided, and a lower mold base is provided on the base; the upper mold frame is used to accommodate a pressing mold group; the pressing mold group is provided with a mold base, and a pressing mold unit is provided on the mold base; the pressing mold The unit is provided with a pressing mold; the lower mold base is provided with a lower mold; the upper mold is set up with a central reference portion, and the mold base is provided with a central positioning portion at the center of the side away from the operator; when the pressing mold set is placed , the central positioning part of the mold base is positioned correspondingly to the central reference part, making the mold changing operation more convenient and accurate.

Please refer to Figure 1. In the embodiment of the present invention, during the process of planting a heat sink, a A component that carries a die on a substrate and is covered with a heat sink is used as a pressed object. The pressing device of a heat sink pressing device is used as an example for illustration. The pressing device is equipped with: A mold frame A is provided with a base A1 and a top base A2 spaced apart by a height. The base A1 and the top base A2 are each provided with vertical pivots A3 at the four corners of the rectangle. The mold base A4 is pivoted on each pivot rod A3 with a sleeve A41 at each of the four corners of the rectangle, and can be driven by a driving member A5 composed of a pneumatic cylinder on the top base A2 on each pivot rod A3. Up and down displacement; An upper mold base A6 is provided below the upper mold base A4, and a lower mold base A7 is provided above the base A1. The upper mold base A6 is used to accommodate the upper mold base A6 and can be independently moved in and out of the upper mold base A6 in the Y-axis direction. It is composed of a driving module B and a pressing module C that can slide in and out in the Y-axis direction independently from the upper mold base A6; The lower mold D is used for sliding movement in and out in the Y-axis direction.

Please refer to Figures 2 and 3. The upper mold frame A6 is provided with two side seats A61 that are vertically spaced apart in the There is a first seat A62 located above and a second seat A63 located below. The first seat A62 is formed by protruding from the side of the side seat A61 opposite to the upper mold. A first accommodation section A621 is formed between the lower surfaces of the seats A4. The second accommodation section A63 is formed by being recessed from the side of the side seat A61. The two side seats A61 are recessed towards each other to form a second accommodation section. Interval A631; The first seat A62 is provided with a first stopper A622 at an end away from the operator, and the second seat A63 is provided with a second stopper A632 at an end away from the operator; the center position of the lower surface of the upper mold base A4 is opposite to The end of the first seat A62 away from the operator should be provided with a central reference portion A623 composed of a shaft; the end of the second seat A63 away from the operator should be provided with a fixed piece horizontally placed between the two side seats A61 A633, the fixing member A633 sets a central reference portion A634 formed by a shaft at the center of the distance between the two side seats A61; the lower surface of the upper mold base A4 between the two side seats A61 of the upper mold base A6 is formed A first reference plane A41, and the upper side edge surface in the recessed section of the second seat A63 forms a second reference plane A635; The upper mold base A4 is provided with a plurality of first screws A42 that can be screwed downwardly from the upper surface of the upper mold base A4 to protrude into the first accommodation section A621 of the lower surface of the upper mold base A4, and a plurality of first screws A42. A second screw A43 that can be screwed downward from the upper surface of the upper mold base A4 through the side seat A61 and protrudes into the second accommodation section A631 on the side seat A61; The upper surface of the lower mold base A7 is provided with two rail bases A71 spaced apart in the X-axis direction. The two rail bases A71 are respectively provided with correspondingly recessed slide grooves A711 on the opposite inner sides. A third accommodation section A712 is formed between the upper surfaces of the mold bases A7; the end of the rail base A71 away from the operator is provided with a third stopper A713, and the upper surface of the lower mold base A7 stands at the center of the distance between the rail bases A71. A central reference portion A714 formed by a shaft is provided.

Please refer to Figures 3 and 4. The formwork A is equipped with a first anti-fall mechanism E. An anti-falling mechanism E is provided on the upper surface of the upper mold base A4 with a plurality of guide rods E1 that are fixed in conjunction with the upper mold base A4 and protrude to the top of the top base A2. The guide rods E1 are protruding from the upper mold base A4. The upper part of the top base A2 is covered with a guide rod cover E11. The inner top of the guide rod cover E11 can be the upper dead center when the guide rod E1 rises; each guide rod E1 passes through the lower surface of the top base A2. A recessed chute E3 is fixed in a U-shaped fixing piece E2. The lower surface of the top base A2 is provided with a driving member E4 composed of a plurality of pneumatic cylinders corresponding to the number and position of the guide rod E1. Each driving member E4 each drives a latch E5 located in the chute E3, which can selectively displace and latch the guide rod E1 so that it cannot move the upper mold base A4 up and down, or disengage the latch E1 and disable the guide rod. E1 can link the upper mold base A4 to move up and down.

The mold frame A is provided with a second anti-falling mechanism F, and the second anti-falling mechanism F is a A stopper F1 that is positioned on the pivot A3 side or not on the pivot A3 side between the upper mold base A4 and the base A1 can be selectively operated by personnel. The stopper F1 is provided with a stopper F1 for human operation. The grip F2, and a recessed abutment groove F3 on the other side of the opposite grip, the inner section of the abutment groove F3 can accommodate the outer diameter of the pivot rod A3, and the inner section of the abutment groove F3 is provided with a magnetic component F4 can absorb the outer diameter of the pivot A3.

Please refer to Figures 5 and 6. The drive module B is equipped with a rectangular fixed base. B1, and a plurality of driving parts B2 composed of, for example, pneumatic cylinders and arranged in a matrix are provided below the fixed base B1. Each driving part B2 is provided with a driving rod B3 that can be independently driven to move up and down; A plurality of rollers B4 are provided at intervals on both short sides of the fixed base B1 of the driving module B. The fixed base B1 is provided with a central positioning portion B5 composed of an arc-shaped recess in the center of the side away from the operator.

The pressing die set C is provided with a rectangular mold base C1, and the mold base C1 is provided with There are a plurality of pressing mold units C2 arranged in a matrix and corresponding to the upper driving part B2 respectively; the two short sides of the mold base C1 of the pressing module C are provided with a plurality of rollers C11 spaced apart; the mold base A central positioning portion C12 composed of an arc-shaped recess is provided in the center of the side of C1 away from the operator; when the bottom end of the driving rod B3 of each driving member B2 of the driving module B1 is not driven, it is located below The corresponding top ends of the die units C2 on the corresponding pressing die set C are separated and maintain a distance d; a rectangular mold frame C3 is provided below the mold base C1 of the pressing die set C.

Please refer to Figures 7, 8 and 9. Each die unit C2 is provided with a The pressure rod assembly C21 and a fixed assembly C22 are provided with a load measuring unit C4 on the top of the upper end of the die unit C2.

The pressure rod assembly C21 is provided with a pressure rod C211. The upper end of the pressure rod C211 The load measuring unit C4 is installed at the top, and a stamping die C5 is installed at the lower end; among them: The pressure rod C211 is in the shape of a hollow tube and is provided with a pipe C212 in the center of the pipe. The upper end of the pipe C212 is located at the lower end of the load measuring unit C4. A slot C214 is opened from the pipe wall C213 and communicates with the outside. The lower end of the pipe C212 is connected to the pressure rod. A fixed seat C215 at the lower end of the rod C211 forms a chamber C216 between the fixed seat C215 and the die C5. The tube wall C213 is provided with an air hole C217 communicating with the outside on the other side of the notch C214; The load measuring unit C4 is provided with a cover C41 covering the top of the upper end of the pressure rod C211. The upper end of a load measuring device C42 in the cover C41 is provided with a pressure contact piece C43 protruding out of the cover C41. The lower end of the load measuring device C42 is provided with a bottom pad C44 embedded in the upper port of the pipe C212 of the pressure rod C211; the driving rod B3 is driven to move downward by the driving force of the pressing module C. The load measuring unit C4 on the die unit C2 acts, and the driving force indirectly drives the die C5 under the pressure rod C211 of the die unit C2 to press the object G through the load measurement unit C4. Carry out pressure.

The stamper C5 is a non-metallic material with pressure and high temperature resistance. The material, such as polyetherimide (PEI, Polyetherimide), is provided with a temperature sensor C6 for sensing the heat transmitted from the lower mold D through the pressurized object G when the stamper C5 is pressed. The temperature of the pressed object G reaches the die C5. The temperature sensing member C6 is linearly extended from the notch C214 to the outside through the pipe C212 of the pressing rod C211. The temperature sensing member C6 surrounds the die. C5 is provided with a plurality of air passages C51. One end of each air passage C51 communicates with the chamber C216 of the fixing seat C215 at the lower end of the pressure rod C211, and the other end communicates with the area below the die C5. The pressure rod C211 The gas hole C217 passes the gas through the pipe C212 to the chamber C216, and then diffuses from the chamber C216 to each of the air channels C51 to blow the pressure object G under the stamper C5 to assist the stamper C5. When the pressing force is completed and the pressure rises, it is smoothly separated from the pressed object G.

The fixed component C22 is configured to maintain the horizontal and radial positioning of the pressure rod C211 and A first positioning unit C221 for pivoting the pressure rod C211 up and down, and a second positioning unit C222 for maintaining the vertical and longitudinal positioning of the pressure rod C211; wherein, The first positioning unit C221 is provided with a sleeve C2211 and a pivot seat C2212; the sleeve C2211 is used for the upper and lower displacement of the pressure rod C211 to pass through the pivot; the pivot seat C2212 is provided on the mold base C1 and is used for the axis to move upward and downward. Set C2211 through the meridian hub; The second positioning unit C222 is located below the load measuring unit C4 and is provided with a first fastener C2221 and a second fastener C2222 that are two separate components and are opposite to each other in the radial direction and abut against the screw pair. The outer diameter of the pressure rod C211 is clamped and fixed. The first fastener C2221 is provided with an air guide hole C2223 corresponding to and connected with the air hole C217 on the pressure rod C211. Positive pressure gas can be input through the air guide hole C2223 through the air hole. C217 enters the pipe C212 of the pressure rod C211; the second positioning unit C222 is also provided with a first support bracket C2224 and a second support bracket C2225 that are two separate components. The first support bracket C2224 and the second support bracket The support brackets C2225 are arranged oppositely and radially around the outer diameter of the pressure rod C211 and outside the displacement interval C2226. The upper end of the first support bracket C2224 forms an arc-shaped section C2227 that surrounds an outer ring diameter of the displacement interval C2226. part, the lower end is fixed on the pivot seat C2212 of the first positioning unit C221; the lower end of the second support bracket C2225 is fixed on the pivot seat C2212 of the first positioning unit C221, and is provided with an axis that can move up and down. The pin C2228 protrudes from the upper end, and the upper end surface of the shaft pin C2228 is used for the bottom of the second fastener C2222 to be fixed.

The first positioning unit C221 and the second positioning unit C222 are provided with An elastic element C223 composed of a spring is sleeved outside the pressure rod C211 and located in the displacement interval C2226; the elastic element C223 provides a compressed restoring force to eliminate the driving force that drives the pressure rod C211 to move downward. When, the pressure rod C211 is moved upward to return to its original position.

The fixing seat C215 at the lower end of the pressure rod C211 and the fixed die C5 is accommodated in a mold chamber C31 separated in the mold frame C3 below the mold base C1. There is a square opening C32 below the mold chamber C31 and above the mold base C1 for the pressure rod C211 to pass through. A through hole C33 communicates with the die C5; the die C5 can be moved up and down in the die chamber C31 by the pressure rod C211.

Please refer to Figure 10. The lower mold D is provided with a rectangular base D1. D1 is provided with a rectangular ventilation seat D11. One side of the ventilation seat D11 is provided with a positive pressure gas connector D111 and a negative pressure gas pressure connector D112, which can respectively be used to input positive pressure or negative pressure through the preset pressure in the ventilation seat D11. The channel (not shown in the figure) is discharged through the air hole D113 on the upper surface of the ventilation seat D11; a central positioning portion D114 composed of an arc-shaped cavity is provided in the center of the side of the base D1 away from the operator; A roughly rectangular carrier D12 is provided above the ventilation seat D11 of the base D1. The carrier D12 is surrounded by a plurality of fixing pieces D13 to define a plurality (eight in this embodiment) of mold placement sections arranged in a matrix. D14, each mold placement interval D14 is respectively provided with a thermal insulation pad D15 made of thermal insulation material, and a lower pressing mold D16 located above the thermal insulation pad D15; wherein, the loader in the mold placement interval D14 The upper surface of the base D12 is provided with flow channels D121 that are in communication with the air holes D113 on the ventilation seat D11 respectively. The thermal insulation pad D15 is also provided with a flow channel D151 that is in communication with the flow channel D121 on the upper surface of the carrier D12. The lower die D16 is provided with a flow channel D161 that is connected to the flow channel D151 on the thermal insulation pad D15; The thermal insulation pad D15 is provided with a heater D17 that can heat the lower mold D16 above the thermal insulation pad D15; the lower mold D is equipped with a temperature sensor D18 that can sense the temperature of the lower mold D16; A heat interrupter D19 is provided on one side of the thermal insulation pad D15, which can stop the heater D17 from heating when the temperature of the lower mold D16 exceeds a preset temperature value.

Please refer to Figures 3, 5 and 6. In the implementation of the embodiment of the present invention, the driver Module B can be placed on the first seat A62 with the rollers B4 at both short sides of the fixed seat B1, and the rolling of the rollers B4 causes the driving module B to slide and be pushed into the first accommodation section. In A621, the central positioning portion B5 of the fixing base B1 corresponds to the central reference portion A623 inserted into the center of the lower surface of the upper mold base A4, so as to obtain the central positioning of the driving module B when it is inserted. When either of the two short sides of the fixed base B1 touches the first stopper A622 at the same time, it can be confirmed that the driving module B has been pushed to the preset position and has been positioned centrally and left and right; and then through the The first screw A42 is screwed into the fixing base B1, so that the upper surface of the fixing base B1 is in contact with the first datum plane A41, thereby obtaining the horizontal datum positioning of the driving module B, and completing the combined heat sink pressing. The device is shown in Figures 11 and 12.

The pressing die set C can use the rollers C11 at the two short sides of the die base C1. It is placed on the second seat A63, and the rolling of the roller C11 causes the pressing mold set C to slide and be pushed into the second accommodation section A631, and the central positioning portion C12 of the mold base C1 is embedded accordingly. The fixing member A633 is buckled into the central reference portion A634 erected at the center of the distance between the two side seats A61 to obtain the central positioning of the press-fitting module C when it is inserted. If any side of the side touches the second stopper A632 at the same time, it can be confirmed that the press-fitting module C has been pushed to the preset position and has been positioned centrally and left-right; and then screw the second screw A43 Set the mold base C1 so that the upper surface of the mold base C1 is in contact with the second datum plane A635 to obtain the horizontal datum positioning of the pressing module C. The assembled heat sink pressing device is shown in Figure 11. 12.

Please refer to Figures 3 and 10. The lower mold D can be placed at the two short sides of the base D1. The roller C11 is placed on the lower mold base A7 and pushed into the third accommodation section A712 by the chute A711. The central positioning portion D114 of the base D1 is correspondingly engaged and buckled into the lower mold base. The central reference portion A714 on the upper surface of A7 is erected at the center of the distance between the rail bases A71, so as to obtain the central positioning when the lower mold D is placed, and touch the third third portion on either side of the two short sides of the base D1 at the same time. stop part A713, it can be confirmed that the lower mold D has been pushed to the preset position and has been positioned centrally and left and right; and then the base D1 is fixed with screws so that the lower surface of the base D1 is in contact with the lower mold The upper surface of the seat A7 is in contact with each other to obtain the horizontal reference positioning of the lower mold D. The assembled pressing device is shown in Figures 11 and 12.

The pressing device and pressing equipment according to the embodiment of the present invention, because the upper mold base An upper mold frame A6 is provided, and a lower mold base A7 is provided on the base A1; the upper mold frame A6 is used to accommodate a pressing mold group C; the pressing mold group C is provided with a mold base C1, and the mold base C1 is provided with a There is a die unit C2, which is provided with a die D12; the lower die base A7 is provided with a lower die D; the upper die base A6 is provided with a central reference portion A634, and the die base C1 is away from the operator's side. There is a central positioning portion C12 at the center of the side; when the pressing module C is inserted, the central positioning portion C12 of the mold base C1 corresponds to the central reference portion A634 to obtain positioning, making the mold changing operation more convenient and accurate.

However, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. That is, simple equivalent changes and modifications may be made based on the patent scope of the present invention and the description of the invention. All are still within the scope of the patent of this invention.

A:Mold base A1: Base A2:Top seat A3: Pivot A4: Upper mold base A41: Sleeve A42: First screw A43: Second screw A5:Driving parts A6: Upper mold base A61: Side seat A62: First seat A621: First accommodation interval A622: first stop A623: Central datum section A63: Second seat A631: Second accommodation interval A632: Second stopper A633: Fasteners A634: Central datum section A635: Second datum plane A7: Lower mold base A71: Rail base A711:Chute A712: The third accommodation area A713: The third stop A714: Central datum department B: Driver module B1: Fixed seat B2: Driving parts B3: Driving rod B4:Roller B5: Central positioning department C: Pressing module C1:Mold base C11:Roller C12: Central positioning department C2: Compression molding unit C21: Pressure rod assembly C211: pressure rod C212:Pipeline C213: Pipe wall C214: Notch C215: Fixed seat C216:Containment room C217: Stomata C22: Fixed components C221: First positioning unit C2211: Shaft sleeve C2212: Pivot seat C222: Second bit unit C2221: First fastener C2222: Second fastener C2223: Air guide hole C2224:First support frame C2225: Second support frame C2226: Displacement interval C2227: Arc interval C2228:Shaft pin C223: Elastic element C3:Mold frame C31:Mold room C32:Open your mouth C33:Through hole C4: Load measuring unit C41: Cover C42: Load measuring device C43: Pressure contact piece C44: bottom pad C5: compression mold C6: Temperature sensing part D: Lower mold D1: base D11: Ventilation seat D111: Positive pressure gas connector D112: Negative pressure gas connector D113: Stomata D114: Central positioning department D12: carrier D121: Runner D13: Fixing parts D14: Module interval D15: Thermal pad D151: Runner D16: Lower mold D161: Runner D17: heater D18: Thermosensor D19: Heat breaker E: First fall prevention mechanism E1: guide rod E11: Guide rod cover E2: Fixtures E3:Chute E4: drive parts E5:Catching parts F: Second fall prevention mechanism F1: blocker F2: Grip F3: support slot F4: Magnetic parts G: Pressure object d: spacing

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view illustrating the decomposed relationship between the mold base, the driving module, the pressing module and the lower mold in the embodiment of the present invention; Figure 2 is a perspective view illustrating the formwork; Figure 3 is a side view illustrating the formwork; Figure 4 is a perspective view with the top base removed, illustrating the first anti-fall mechanism and the second anti-fall mechanism; Figure 5 is a three-dimensional exploded view illustrating the driving module and the pressing module; Figure 6 is a side view illustrating the driving module and the pressing module; Figure 7 is a perspective view illustrating a die unit in the press die set; Figure 8 is a side view illustrating a die unit in the press die set; Figure 9 is a cross-sectional view illustrating the relationship between a die unit in the press die set and the pressed object; Figure 10 is a three-dimensional partially exploded view illustrating the lower mold; Figure 11 is a perspective view illustrating the combined relationship between the mold base, the driving module, the pressing module and the lower mold; Figure 12 is a side view illustrating the combined relationship between the mold base, the driving module, the pressing module and the lower mold.

A2:Top seat

A4: Upper mold base

A41: Sleeve

A42: First screw

A43: Second screw

A6: Upper mold base

A61: Side seat

A62: First seat

A621: First accommodation interval

A622: first stop

A623: Central datum section

A63: Second seat

A631: Second accommodation interval

A632: Second stopper

A633: Fasteners

A634: Central datum section

A635: Second datum plane

A7: Lower mold base

A711:Chute

A712: The third accommodation area

A713: The third stop

A714: Central datum department

E: First fall prevention mechanism

E1: guide rod

E11: Guide rod cover

F: Second fall prevention mechanism

Claims (18)

A pressing device provided with: A mold frame is provided with a base and a top seat separated by a height distance up and down. There are vertical pivot rods between the base and the top base. An upper mold base is pivoted on each of the pivot rods and can Each pivot rod is driven by a driving member to move up and down; The upper mold base is provided with an upper mold base, and the base is provided with a lower mold base; the upper mold frame is used to accommodate a pressing mold group; the pressing mold group is provided with a mold base, and the mold base is provided with a pressing unit , the pressing mold unit is provided with a pressing mold; the lower mold base is provided with a lower mold; The upper mold is equipped with a central reference part, and the mold base is provided with a central positioning part at the center of the side away from the operator; When the pressing mold set is inserted, the central positioning portion of the mold base is positioned corresponding to the central reference portion. The pressing device of claim 1, wherein the upper mold frame accommodates a driving module that can independently move in and out of the upper mold frame and can independently move in and out from the upper mold frame. of the pressing module. The pressing device according to claim 2, wherein the driving module is provided with a fixed base, and a plurality of driving parts arranged in a matrix are provided below the fixed base, and each driving part is provided with an upper body that can be independently driven. Lower displacement drive rod. The pressing device according to claim 3, wherein rollers are provided on two short sides of the fixing base of the driving module. The pressing device according to claim 1, wherein the lower mold on the lower mold base can independently move in and out from the lower mold base. The pressing device as described in claim 1, wherein the upper mold frame is provided with two side seats that are vertically spaced apart, and the two side seats are provided with opposite corresponding seats on the inner sides of the opposite sides at intervals above and below. A first seat located above and a second seat located below are provided. The pressing device according to claim 6, wherein the first seat is formed by protruding from the side of the side seat, and a first accommodation section is formed between the first seat and the lower surface of the upper mold base. The pressing device according to claim 6, wherein the second seat is formed by being recessed from the side of the side seat, and two of the side seats are recessed towards each other to form a second accommodation section. The pressing device of claim 6, wherein the first seat is provided with a first stopper at an end away from the operator, and the second seat is provided with a second stopper at an end away from the operator. The pressing device according to claim 6, wherein a central reference portion is provided at the center of the lower surface of the upper mold base corresponding to the end of the first seat away from the operator. The pressing device of claim 6, wherein the end of the second seat away from the operator is provided with a fixing member horizontally disposed between the two side seats, and the fixing member is located at the center of the distance between the two side seats. This central reference part is established. The pressing device according to claim 1, wherein the upper surface of the lower mold base is provided with two rail seats spaced apart, and the two rail seats are respectively provided with corresponding slide grooves on the opposite inner sides, and the slide grooves and A third accommodation section is formed between the upper surfaces of the lower mold base. The pressing device according to claim 12, wherein a third stopper is provided at an end of the rail base away from the operator. The pressing device according to claim 12, wherein the upper surface of the lower mold base is provided with a central reference portion at the center of the distance between the two rail bases. The pressing device according to claim 1, wherein the pressing die set is provided with a mold base, and the mold base is provided with a plurality of molding units arranged in a matrix. The pressing device according to claim 15, wherein rollers are provided at two short sides of the die base of the pressing die set. The pressing device according to claim 15, wherein each of the pressing mold units is respectively provided with a pressing rod assembly and a fixing component, the pressing rod assembly is provided with a pressing rod, and the lower end of the pressing rod is provided with a pressing mold. A pressing device provided with a pressing device as described in any one of claims 1 to 17.

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