TW201720659A - Multiple chamber laminating machine of the cool-heat integrating of electromagnetic heating - Google Patents

Abstract

A multiple chamber laminating machine of the cool-heat integrating of electromagnetic heating includes a pressing room having particular inside space, a pressing element disposed on the pressing room. The pressing element includes at least three pressing boards. The pressing boards are parallel to each other. A particular distance between the nearby pressing boards form at least two pressing chamber. Wherein, the press room has an electromagnetic heat element and a cooling element. The multiple chamber laminating machine of the cold-heat integrating of electromagnetic heating provided by present invention provides can improve the stability and balance of high-temperature transmission to reduce the transforming probability of the printed circuit board so as to reduce the scrapping probability and improve yield rate during the heat pressing and cool pressing.

Description

Electromagnetic heating cold and heat integrated multi-cavity laminating machine

The invention relates to a PCB board multi-cavity laminating machine, and more particularly to an electromagnetic heating cold and heat integrated multi-cavity laminating machine.

A printed circuit board, also known as a printed circuit board or printed circuit board, is a provider of electrical connections for electronic components. Generally speaking, the printed circuit board is covered with a layer of / two layers of copper foil (conductive layer) on the non-conductive substrate - called a single / double-sided circuit board, and then printed circuit is used to connect the designed circuit. The line to be preserved (corrosion-resistant medium) is immersed in a corrosive liquid to etch away the copper foil without a protective coating on the copper foil, clean the corrosive residual liquid, position the hole, apply the flux, etc. Completed. The role of the PCB is as if the crop needs to grow in the soil: one is to provide electrical connection between the electronic components through the copper foil line; the other is to provide physical support for the electronic components. The main advantages of using PCB boards are greatly reduced wiring and assembly errors, improved automation and labor productivity. At this stage, in the press-fitting process of the PCB board, especially for the PCB board products of 2 layers and 2 layers or more, the pressing process mainly includes hot pressing and cold pressing. The hot pressing is performed by heating a prepreg (such as an epoxy resin material) and applying a pressure such as 200 to 500 PSI/cm 2 to melt and solidify the prepreg into a desired multilayer wiring board. The cold pressing process is to cool the line to the required temperature at the cooling rate required by the process after the end of the hot pressing. In the existing copper foil conductive heating press, the copper foil conductive heating circuit board is continuously wound, and there is a heating plate on the upper and lower sides of the cavity, and the main function is to assist the PCB board product for auxiliary heating. The main disadvantages of the existing PCB laminating machine are: the heating mode adopted by most existing laminating machines is electric heating rod heating or hot kerosene heating, the service life is short, the maintenance is difficult, the thermal hysteresis is large, and it is difficult to accurately control the temperature; The traditional copper foil conductive heating press is only a hot press, and can only be used as a hot pressing process. It cannot be used as a cold pressing process. In the pressing process, the warpage deformation of the PCB board product is likely to be serious, and the PCB board yield is low. The production cost is too high; in the traditional cold pressing process, the temperature change of the middle layer product is small, which causes the shrinkage of the surface layer and the inner layer of the PCB board product to be relatively large, thereby causing deformation and warpage of the PCB board, resulting in certain scrapping and increasing the scrapping cost; In the existing voltage machine, using a cavity to work, it is easy to cause the thickness of the PCB after the pressing is not uniform or there is a risk of pressing the bubble. The more the number of pressing layers, the greater the cumulative pressure error, the more obvious the problem.

In view of the deficiencies in the above technology, an object of the present invention is to provide an electromagnetically heated cold and heat integrated multi-cavity laminating machine which ensures uniformity and stability of temperature transfer during hot pressing and cold pressing. To reduce the deformation rate of the PCB during the pressing process, reduce the scrap rate, improve the yield, and reduce the production cost. In order to achieve the above object and other advantages in accordance with the present invention, there is provided an electromagnetically heated cold and heat integrated multi-cavity laminating machine comprising: a press chamber having a certain internal space; and a press-fit assembly disposed in the press chamber, The pressing assembly comprises at least three pressing plates, the pressing plates are parallel to each other, and the two adjacent pressing plates are separated by a certain distance to form at least two pressing cavities; externally connected to the pressing assembly a hydraulic device, wherein a driving portion of the hydraulic device provides a pressing pressure to the pressing assembly; wherein the pressing chamber is provided with an electromagnetic heating assembly and a cooling assembly, and the electromagnetic heating assembly includes an electromagnetic capable of generating an alternating magnetic field An induction coil, the electromagnetic induction coil is disposed in the heating plate, and the heating plate is disposed on at least one of the pressure plates. Preferably, the pressure plate is fixedly connected or integrally formed with the heating plate. Preferably, the electromagnetic induction coil is arranged in a plurality of "S"-shaped folds or spirals, and an axis of the electromagnetic induction coil is parallel to a central normal of the pressure plate. Preferably, the heating plate comprises a substrate and a cover plate covering the substrate, and the substrate is provided with a groove matching the shape of the electromagnetic induction coil. Preferably, the electromagnetic heating assembly further includes an electromagnetic heating controller electrically connected to the electromagnetic induction coil, wherein the electromagnetic heating controller is electrically connected to the first connection point and the second connection point of the electromagnetic induction coil, respectively. Thereby an electromagnetic heating circuit is formed such that the electromagnetic induction coil produces a varying alternating magnetic field. Preferably, the cooling assembly comprises a cooling pipe, a cooling box and a transfer pump, the cooling pipe is disposed in the pressure plate, and the liquid inlet and the liquid outlet of the cooling pipe, the transfer pump and the cooling box form a cooling cycle Loop. Preferably, the cooling assembly comprises an air-cooling assembly, the air-cooling assembly comprising: a circulating air duct forming a circuit with the press chamber; a main electromagnetic device sequentially disposed in an air flow direction of the circulating air duct The valve, the variable frequency fan unit and the cooling unit; wherein the air outlet of the circulating air duct is disposed at the top of the pressing chamber, and the air inlet of the circulating air duct is disposed at the bottom of the pressing chamber. Preferably, the inverter fan unit includes a first inverter fan and a second inverter fan, and a first inverter fan is disposed at an air outlet of the circulating air duct, and a first air outlet is disposed at the air outlet of the first inverter fan. The first air inlet is provided with a first electromagnetic valve, a second supplementary air outlet is disposed between the main electromagnetic valve and the second variable air fan, and a second electromagnetic valve is disposed on the second supplementary air outlet. Preferably, the press chamber is provided with at least one door, the door includes: a door panel, and a door sleeve disposed on two sides of the door panel, the door sleeve and a door frame leading to the press chamber The door panel is nested between the two door sleeves and can slide up and down along the door sleeve to realize opening and closing of the press chamber. Preferably, the door cover comprises a door cover body and a U-shaped groove portion formed in the door cover body, the U-shaped groove portion extending along a height direction of the door cover body; both sides of the door panel Each of the bearings is provided with at least one bearing, and the bearing is engaged with the U-shaped groove portion; the U-shaped groove portion is provided with two end portions respectively adjacent to the inner end portion of the pressing chamber door frame and away from the The outer end portion of the press chamber door frame has a width greater than a width of the inner end portion. Compared with the prior art, the invention has the following beneficial effects: 1. Due to the heating mode by electromagnetic heating, the electromagnetic heating basically does not generate heat due to the electromagnetic induction coil itself, has long service life, low maintenance and maintenance cost, and a heating plate or The pressure plate is heated by the variable electromagnetic field, the heat is utilized sufficiently, the heat loss is small, and the heat is concentrated in the heating plate or the inside of the pressure plate. The surface temperature of the electromagnetic induction coil is slightly higher than room temperature, which can be safely touched without heat protection, safe and reliable; The internal heating method is adopted, so that the heating plate or the pressing plate directly induces magnetic energy to generate heat, and the thermal response is fast, and the average preheating time is shortened by more than 60% compared with the conventional heating such as the resistance ring heating method, and the thermal efficiency is up to 90% or more. Under the same conditions, the electric resistance is 30~70% than the resistance ring heating, and the production efficiency is improved. The electromagnetic induction coil itself does not generate heat, the thermal block is small, the thermal inertia is low, the temperature control is real-time and accurate, and the product quality is obviously improved; Since the electromagnetic heating assembly and the cooling assembly are provided in the pressing chamber, hot pressing and cold pressing can be realized, It does not need to be transferred to the cold press or other cooling mechanism for cooling, which avoids the internal stress caused by the temperature difference of the PCB board product after the pressing process, and also avoids the loss of the upper and lower layers during the transfer process. The pressure binding of the pressure plate causes the PCB board product to warp and deform, and because it is surface contact cooling, and by adjusting the flow rate, pressure, flow rate and temperature of the conductive liquid or the cooling air, the cooling speed of the PCB board product can be effectively controlled. The uniformity of the cooling temperature (temperature difference between the board and the interior) further reduces the problem of irregular deformation of the PCB board product. In addition, since the temperature of the pressure plate is directly lowered to the temperature required by the process after the cold pressing is completed, the direct start can be started. The next batch of production, no additional cooling time, high equipment efficiency, further improve production efficiency; 3. Compared with the prior art, heating or cooling can only be carried out by heat conduction from the upper and lower ends of the PCB board product. Since the pressing plate having the heating and cooling functions is disposed between the PCB board packages, it is possible to be adjacent to two PCs. Heating or cooling of the B-board product package begins, whether it is a hot pressing process or a cold pressing process, which greatly speeds up the heating or cooling process of the PCB board package, and further controls the heating speed of the PCB board package. And the heating temperature or the uniformity of the cooling rate and the cooling temperature, thereby further reducing the problem of irregular deformation of the PCB board product; 4. Since the adjacent two pieces of the pressing plates are separated by a certain distance, thereby forming at least two press-fits The cavity adopts this multi-cavity design, so that the number of production plates is controlled at 10~50 layers, and the PCB board corresponding to the residual copper position of each layer in the PCB board or the multi-layer circuit with uneven distribution of special inner residual copper is designed. And more than 10 layers of PCB board, through the effective control of the production quantity of each cavity, can effectively reduce or avoid the cumulative pressure error caused by residual copper, which solves the PCB board caused by the accumulated pressure error of residual copper. a problem of uneven thickness and pressure bonding after pressing; 5. The U-shaped groove portion has two end portions, which are respectively the inner end portion of the door frame adjacent to the press chamber and away from the The outer end portion of the door frame of the press chamber has a width larger than the width of the inner end portion, and a plurality of seals are provided for the air outside the press-fit chamber to enter the press chamber; between the door frame and the door frame of the press chamber The sealing ring further improves the sealing of the door.

The above and other objects, features, aspects and advantages of the present invention will become more apparent from Referring to FIGS. 1 and 20, a PCB board package 160 to be pressed is placed in each of the press chambers 154b of the multi-cavity hot press 100 according to the present invention, and each PCB board package 160 to be pressed is sequentially laminated by at least one PCB board. In order to prevent the PCB from sticking during the pressing process, a heat-conducting and anti-sticking partition 161 is disposed between the adjacent two PCB boards and between the PCB board and the pressing board 154. In an embodiment, the multi-cavity hot press 100 is provided with two press chambers 154b, and each of the press chambers 154b is provided with a PCB board package 160 to be pressed, and each PCB board package 160 to be pressed is made of a PCB board. C1, C2, and C3 are stacked and stacked in order from top to bottom. As an embodiment, the structure of each layer of the PCB board is as shown in FIG. 20, and mainly includes two upper and lower copper foils 162 located at the outermost side, two prepregs 163 adjacent to the copper foil 162, and inner layer lines sandwiched by the prepreg 163. Board 164. Referring to Figures 1-32, the electromagnetically heated cold-heat integrated multi-cavity laminator 100 includes a control system (not shown), a press chamber 110, a hydraulic device 120, a chamber door 130, a safety switch assembly 140, and a pressure. Assembly component 150. Wherein, the press chamber 110 has a certain internal space, and the press chamber 110 includes an air extracting device (not shown) for generating a vacuum inside thereof, and the press chamber 110 is provided with a cooling assembly and an electromagnetic heating assembly; The pressing assembly 150 is disposed in the inner space of the pressing chamber 110, and the pressing assembly 150 includes at least three pressing plates 154, and the pressing plates 154 are parallel to each other, and the adjacent two pressing plates 154 are separated by a certain distance. The at least two press chambers 154b are formed, and the PCB board package 160 to be pressed is placed in each of the press chambers 154b for hot pressing or cold pressing, and the upper surface of the uppermost pressing plate 154 and the lowermost layer of the pressing plate 154 are formed. The lower surface is adjacent to the upper heat insulation board 155 and the lower heat insulation board 153, respectively, and the upper heat insulation board 155 and the lower heat insulation board 153 are made of a heat insulating material having a certain structural strength, the hydraulic device 120 and the safety switch assembly. 140. The electromagnetic heating component and the cooling component are all electrically connected to the control system. As an embodiment, the electromagnetic heating assembly includes an electromagnetic induction coil 190 capable of generating an alternating magnetic field, and an electromagnetic heating controller (not shown) electrically connected to the electromagnetic induction coil 190. As an embodiment, at least one of the pressing plates 154 is provided with the electromagnetic induction coil 190, and the pressing plate 154 is made of a magnetic conductive material having a certain structural strength. As an embodiment, the electromagnetic induction coil 190 is disposed in the heating plate 180, and the heating plate 180 is made of a magnetic conductive material having a certain structural strength, and at least one of the pressing plates 154 is provided with the heating plate 180. The pressing plate 154 is fixedly connected or integrally formed with the heating plate 180. The heating plate 180 includes a substrate and a cover plate covering the substrate, and the substrate is opened with a shape of the electromagnetic induction coil 190. Matching grooves. As an embodiment, the electromagnetic heating controller is electrically connected to the first connection point 193 and the second connection point 194 of the electromagnetic induction coil, respectively, to form an electromagnetic heating circuit, so that the electromagnetic induction coil 190 undergoes a change alternating. The magnetic field; the electromagnetic heating controller converts the alternating current into a direct current, and then converts the direct current into a high-frequency high-voltage electricity. The high-speed high-frequency current flowing through the electromagnetic induction coil 190 generates a high-speed alternating magnetic field, when the magnetic field lines in the magnetic field When passing through the magnetically conductive pressure plate 154 or the heating plate 180, the pressure plate 154 or the heating plate 180 is caused to self-heat at a high speed. As an embodiment, the inside of the electromagnetic induction coil 190 is hollow to form a cooling passage 195 extending through the two ends thereof. One end of the electromagnetic induction coil is provided with a liquid inlet 191, and the other end of the electromagnetic induction coil is opened. a liquid outlet 192, the cooling passage 195 is in communication with the liquid inlet 191 and the liquid outlet 192 of the electromagnetic induction coil; the liquid inlet 191 and the liquid outlet 192 of the electromagnetic induction coil are externally connected with a cooling system. The cooling system, the liquid inlet 191 of the electromagnetic induction coil, the liquid outlet 192, and the cooling passage 195 constitute a cooling circulation loop; through the cooling passage 195, a coolant (oil or water medium) with controllable temperature and flow rate is introduced. Therefore, the electromagnetic induction coil 190 and the pressure plate 154 or the heating plate 180 are efficiently and rapidly cooled, and in addition to further increasing the cooling rate, the electromagnetic induction coil 190, the pressure plate 154 or the heating plate 180 can be cooled and protected, thereby improving Its reliability reduces the cost of equipment maintenance and replacement. In addition, the method of introducing coolant into the cooling passage 195 of the electromagnetic induction coil can minimize the knot. Complexity does not affect the cooling efficiency. As an embodiment, the electromagnetic induction lines, 190 are arranged in multiple "S" shaped folds or spirals, as well as other shapes capable of producing alternating magnetic fields. As an embodiment, the axis Z1 of the electromagnetic induction coil 190 is parallel to the center line Z2 of the pressure plate 154 or the heating plate 180. In one embodiment, a copper foil heating assembly is further included, including a copper foil disposed in the press chamber 154b, and a power controller electrically coupled to the copper foil to heat the copper foil Controlling, the copper foil sheet is reciprocally folded into a plurality of "S"-shaped folded structures, so that a plurality of spaced-apart receiving chambers (not shown) are formed in the copper foil sheet, and the PCB board package 160 to be pressed is placed. After the receiving chamber, it is placed in the pressing chamber 154b. In an embodiment, the press chamber 110 includes a left side plate 111, a right side plate 112, a top plate 113, and a middle plate 114. The left side plate 111, the right side plate 112, the top plate 113, and the middle plate 114 constitute a pressure having a certain internal space. The right part 110 has a left base 111a at the bottom of the left side plate 111, and a right base 112a is provided at the bottom of the right side plate 112. The press room 110 can be realized by bolting the left base 111a and the right base 112a to the ground. Fixed connection to the ground. At least one viewing window 115 is defined in the left side plate 111 and the right side plate 112. In an embodiment, two viewing windows 115 are opened on the left side plate 111 and the right side plate 112. In one embodiment, the pressing plate 154 is provided with five pieces at a certain distance from each other to form four pressing chambers 154b. As shown in FIG. 1, each pressing chamber 154b is placed with an assembled to be pressed. The PCB board package is 160. In an embodiment, the press chamber 110 is further provided with at least two guide posts 156, a backing plate 152 disposed under the lower heat insulating plate 153, and a support plate 151 disposed under the backing plate 152, wherein The pressing plate 154 and the upper heat insulating plate 155 and the lower heat insulating plate 153 are respectively restrained between the guiding columns 156 and can slide up and down along the guiding column 156; the hydraulic device 120 is externally connected to the pressing assembly 150, and the hydraulic device 120 is driven. The portion provides a press pressure to the press assembly 150. As an embodiment, the hydraulic device 120 includes a drive motor, a plurality of pipes, a hydraulic cylinder 121, and an oil pump driven by the drive motor. The drive end of the hydraulic cylinder 121 provides a pressing force for the lowermost plywood 154. In one embodiment, the drive end of the hydraulic cylinder 121 of the hydraulic device 120 passes through the support plate 151 and interferes with the lower surface of the backing plate 152, and the hydraulic device 120 is electrically coupled to the control system. In one embodiment, four guide posts 156 are disposed on the two sides of the pressing plate 154 and the upper heat insulating plate 155 and the lower heat insulating plate 153. The guiding column 156 penetrates the top plate 113, the backing plate 152, and the supporting plate. 151, thereby making the top plate 113, the backing plate 152, and the supporting plate 151 a stable whole, wherein the backing plate 152 can be slid up and down along the guiding post 156 under the driving end of the hydraulic cylinder 121 of the hydraulic device 120. In one embodiment, each of the guide posts 156 is provided with a sliding rail groove 156b. The front and rear ends of each of the pressing plates 154 are provided with rollers 154a, and the pressing plate 154 is matched with the sliding rail groove 156b by the roller 154a. Thereby, the pressing plate 154 is slid down along the guide post 156. In one embodiment, the inner portion of the guide post 156 is provided with a hollow structure, and one end of the guide post 156 is provided with an air suction port 156a, and the air suction port 156a is connected to the air suction device, and is located at the guide post 156 inside the press chamber 110. The outer wall is provided with a vent hole that communicates with the inside of the guide post 156. With this configuration, the vacuum chamber can be evacuated at the air suction port 156a to manufacture a vacuum environment inside the press chamber 110. In an embodiment, at least one pressure sensor and a temperature sensor (not shown) are disposed in each of the pressing chambers 154b, and the pressure sensor and the temperature sensor are electrically connected to the control system for pressing the pressing chamber. The pressure and temperature of the inner 154b are monitored in real time. In an embodiment, the cooling assembly includes a cooling tube 154c, a cooling box, and a transfer pump. The cooling tube 154c is disposed in the pressure plate 154, and the liquid inlet and the liquid outlet of the cooling tube 154c are transported. The pump and the cooling box constitute a cooling circulation circuit; during operation, the conductive liquid (which may be medium such as oil or water) in the cooling box is driven by the transfer pump to deliver the cooled conductive liquid into the liquid inlet of the cooling pipe 154c. And flowing through the liquid outlet of the cooling pipe 154c into the cooling box, thereby forming a cooling circulation circuit; in an embodiment, an oil collecting component 158 is disposed between the cooling pipe 154c and the cooling box, and the oil collecting component 158 includes an internal hollow oil inlet column 158b and a return oil column 158a. The liquid inlet of the cooling pipe communicates with the oil inlet column 158b through a flexible pipe 159, and the liquid outlet of the cooling pipe passes through the flexible pipe 159 and returns to the oil. The column 158a is in communication with the oil inlet 158b' of the oil inlet column and the oil return port 158a' of the oil return column respectively communicating with the cooling tank. In one embodiment, the cooling tube 154c is provided with a plurality of "S"-shaped folded structures, and other shapes that facilitate the uniform arrangement of the cooling tubes 154c in the pressing plate 154, and two of the pressing plates 154 are disposed. The cooling pipe 154c is arranged symmetrically with respect to the symmetrical center of the pressure plate 154, thereby increasing the flow area of the conductive liquid in the cooling pipe 154c to improve the cooling of the cooling pipe 154c in the pressing plate 01. effectiveness. In an embodiment, as shown in FIG. 29, the cooling assembly includes an air-cooling assembly 170, and the air-cooling assembly 170 includes: a circulation air duct 171 that forms a circuit with the press chamber 110; The main electromagnetic valve 172, the variable frequency fan unit and the cooling unit 174 are sequentially disposed in the air flow direction of the air duct 171; the inverter fan unit includes a first inverter fan 176 and a second inverter fan 173, and the circulating air duct 171 A first variable frequency fan 176 is disposed at the air outlet of the air outlet, and a first supplemental air outlet 177 is disposed at the air outlet of the first variable frequency fan 176, and the first supplemental air outlet 177 is provided with a first electromagnetic valve 177a. A second supplemental tuyere 175 is disposed between the solenoid valve 172 and the second inverter fan 173, and a second solenoid valve 175a is disposed on the second supplemental tuyeres 175; the second inverter fan 173, the first inverter fan 176, and the main The electromagnetic valve 172, the second electromagnetic valve 175a, the first electromagnetic valve 177a and the cooling unit 174 are regulated by the control system to timely adjust the air volume and the temperature of the wind sent into the nip chamber 110, thereby effectively pressing the pressed PCB. The panel package 160 is air cooled and cooled. In an embodiment, the air outlet of the circulation air duct 171 is disposed at the top of the press chamber 110, and the air inlet of the circulation air duct 171 is disposed at the bottom of the press chamber 110 to form a "chimney effect", thereby The high temperature air at the bottom of the press chamber 110 is discharged through the circulation air duct 171 more quickly and efficiently. In an embodiment, the press chamber 110 is provided with at least one chamber door 130 that communicates with the outside and is openable and closable. The chamber door 130 includes: a door panel 132; and a door sleeve 131 disposed on both sides of the door panel, wherein The door sleeve 131 is fixed to the door frame leading to the inside of the press chamber 110. The door panel 132 is nested between the two door sleeves 131 and can slide up and down along the door sleeve 131 to open or close the press chamber 110. In one embodiment, a chamber door 130 is provided on each of the front and rear sides of the nip chamber 110. In an embodiment, the door cover 131 includes: a door cover body, and a U-shaped groove portion 131c formed in the door cover body, wherein the U-shaped groove portion 131c extends along a height direction of the door cover body, the door panel At least one bearing 132a is disposed on both sides of the 132. The bearing 132a is engaged with the U-shaped groove portion 131c, so that the door panel 132 slides up and down along the door sleeve 131. The U-shaped groove portion 131c has two ends, which are respectively pressed. The inner end portion 131a of the door frame of the combination chamber 110 and the outer end portion 131b of the door frame away from the press chamber 110 have a width larger than the width of the inner end portion 131a. In one embodiment, four bearings 132a are provided on both sides of the door panel 132. In an embodiment, each side of the door sleeve 131 is provided with a driving cylinder 133 for driving the door panel 132 to slide up and down. In an embodiment, a safety switch assembly 140 is disposed between the two door covers 131. Specifically, the safety switch assembly 140 includes a signal transmitter 141 and a signal receiver 142 respectively disposed on the door covers 131 on both sides of the door panel 132, and is driven. The cylinder 133 and the safety switch assembly 140 are both electrically connected to the control system. When the door panel 132 is in the open state as shown in FIG. 5, such as when there is an object or operator blocking between the signal transmitter 141 and the signal receiver 142, The control system sends a control signal, at which point the door panel 132 does not fall until there is no other object or operator between the number transmitter 141 and the signal receiver 142, thereby preventing the door panel 132 from colliding or crushing the operator. In an embodiment, a seal ring 134 is provided between the door 130 and the door frame of the press chamber 110, and the seal ring 134 is made of a heat insulating material having a certain elasticity. The door panel 132 is further provided with a pressing device (not shown) for pressing the door panel 132 and the sealing ring 134 to seal the pressing chamber 110. In an embodiment, at least two limiting posts 157 are disposed on the left and right sides of the pressing plate 154, and at least one limiting block 157 is disposed on the inner side of each limiting post 157 to remove the pressure of the uppermost layer and the lowermost layer. The plywood 154, the remaining plywood 154 are placed over the stop block 157 when uncompressed. In an embodiment, the limiting element column 157 is provided with four, and the pressing plate 154 is symmetric about the left and right, and the pressing plate 154 is provided with five layers. The uppermost layer and the lowermost laminated plate do not need the support of the limiting element block 157. Therefore, the stopper 157 is set to 3 pieces, and the intermediate 3 layers of the pressing plates 154 are sequentially supported in the unpressed state. Working principle: The worker firstly stacks the materials used for manufacturing the PCB board as shown in FIG. 20, and finally assembles into the PCB board package 160 to be pressed as shown in FIG. 1; after the assembly is completed, the PCB board package to be pressed 160 Put into each pressing chamber 154b for pressing; the control system controls the door panel 132 of the door 130 to fall, closes the pressing chamber 110, and the pumping device starts to evacuate the internal space of the pressing chamber 110 into a vacuum environment; The driving end of the hydraulic cylinder 121 starts to work, and a certain pressure is applied under the backing plate 152, thereby sequentially pushing the lowermost pressing plate 154 to start pressing the PCB board package 160 to be pressed in the pressing cavity 154b, and at the same time, The electromagnetic heating component starts to work, and the PCB board package 160 to be pressed is heated. The pressure, the temperature and the pressing time in the pressing process are adjusted by the control system; after the pressing is completed, the electromagnetic heating component stops working. At this time, the hydraulic device 120 maintains the pressure at the time of pressing, and the cooling assembly starts to work, for example, a continuous flow can be introduced into the cooling pipe 154c in the pressure plate 154, and the temperature is controlled between 15 ° C and 35 ° C. The conductive liquid cools the pressed PCB board package 160, and the process is feedback adjusted by the control system. When the control system detects that the PCB board package 160 is cooled to a set temperature of 45 ° C to 65 ° C, the supply of the conductive liquid is stopped, and the hydraulic pressure is stopped. The device 120 begins to gradually reduce the pressure, and after the chamber door 130 is opened, the pressed PCB board package 160 is taken out for subsequent processing. Referring to FIG. 21 and FIG. 22, it can be seen that the conventional cold press and the electromagnetically heated integrated heat and cold multi-cavity laminator 100 according to the present invention also measure the XY direction (500-620 mm distance) expansion and contraction data, and the present invention The product produced by the electromagnetically heated cold-heat integrated multi-cavity laminator 100 has almost the same deformation amount of the upper middle and lower layers, and has a very obvious improvement compared with the conventional cold press. In addition, since the cold pressing is completed, the press plate 154 is The temperature is directly reduced to the temperature required by the process, and the next batch of production can be started directly. No additional cooling time is required, and the equipment efficiency is high, further improving the production efficiency. Referring to FIG. 23 and FIG. 24, 350 sheets of sheets are measured for the XY direction (500-620 mm distance) expansion and contraction data for statistical analysis. It can be seen that the electromagnetically heated integrated heat and cold multi-cavity laminator 100 according to the present invention is conventionally cold pressed. Compared with the machine, the product of the electromagnetic heating integrated hot and cold multi-cavity laminator 100 of the present invention has a significant concentration of data, which is 30-40% lower than that of the conventional cold press. Referring to Figures 25, 26, 27 and 28, it can be seen that the electromagnetically heated integrated multi-cavity laminator 100 according to the present invention is integrated with the electromagnetic heating of the present invention in comparison with a conventional cold press. The maximum deformation of the single-chip PCB produced by the multi-cavity laminator 100 is 40 to 50% lower than that of the conventional voltage machine. Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the embodiments, and can be fully applied to various fields suitable for the present invention, and can be easily realized by those skilled in the art. The invention is not limited to the specific details and the details shown and described herein, without departing from the scope of the appended claims.

100‧‧‧Electromagnetic heating cold and heat integrated multi-cavity laminating machine
110‧‧‧ Press room
111‧‧‧left side panel
111a‧‧‧ left base
112a‧‧‧right base
112‧‧‧right board
113‧‧‧ top board
114‧‧‧ Medium board
115‧‧‧ observation window
120‧‧‧Hydraulic devices
121‧‧‧Hydraulic cylinder
130‧‧‧ room door
131‧‧‧ door sets
131a‧‧‧Inside end
131b‧‧‧Outer end
131c‧‧‧U-shaped groove
132‧‧‧ Door panel
132a‧‧‧ Bearing
133‧‧‧ drive cylinder
134‧‧‧ sealing ring
140‧‧‧Safety switch assembly
141‧‧‧Signal transmitter
142‧‧‧Signal Receiver
150‧‧‧ Pressing components
151‧‧‧Support board
152‧‧‧ pads
153‧‧‧low insulation board
154‧‧‧Plywood
154a‧‧‧Roller
154b‧‧‧Compression chamber
154c‧‧‧Cooling tube
155‧‧‧Upper insulation board
156‧‧‧ Guide column
156a‧‧‧Exhaust port
156b‧‧‧railway slot
157‧‧‧Limited Column
157a‧‧‧ Limit Block
158‧‧‧ oil collecting components
158a, 158a'‧‧‧ back to the oil column
158b, 158b'‧‧‧ inlet column
159‧‧‧ flexible pipe
160‧‧‧PCB board package
161‧‧ ‧ partition
162‧‧‧ copper foil
163‧‧‧prepreg
164‧‧‧ Inner layer circuit board
170‧‧‧Air-cooled components
171‧‧‧Circular duct
172‧‧‧Main solenoid valve
173‧‧‧second inverter fan
174‧‧‧Cooling unit
175‧‧‧Second supplementary air outlet
175a‧‧‧Second solenoid valve
176‧‧‧First Inverter Fan
177‧‧‧The first supplementary air outlet
177a‧‧‧First solenoid valve
180‧‧‧heating plate
190‧‧‧Electromagnetic induction coil
191‧‧‧Inlet
192‧‧‧ liquid outlet
193‧‧‧First connection point
194‧‧‧second junction point
195‧‧‧cooling channel

1 is a schematic structural view showing a PCB board package for manufacturing a PCB board in an electromagnetic heating integrated heat and cold multi-cavity laminating machine according to the present invention; FIG. 2 is an integrated structure of electromagnetic heating according to the present invention; FIG. 3 is a perspective view of the electromagnetic heating integrated hot and cold multi-cavity laminating machine according to the present invention; FIG. 4 is an electromagnetic heating integrated hot and cold integrated type according to the present invention; FIG. 5 is a front view of the electromagnetic heating integrated heat and cold multi-cavity laminating machine according to the present invention; FIG. 6 is an electromagnetic heating integrated hot and cold multi-cavity laminating machine according to the present invention; Figure 7 is a cross-sectional view taken along line AA of Figure 4; Figure 8 is a cross-sectional view taken along line BB of Figure 4; Figure 9 is a partial enlarged view of portion C of Figure 4; Figure 11 is a second perspective view of the press-fit assembly of the present invention; Figure 12 is a right side view of the press-fit assembly of the present invention; Figure 13 is a front elevational view of the press-fit assembly of the present invention; Figure 14 is a partial schematic view of the interior of the press-fit assembly of the present invention; Figure 15 is a partial enlargement of the portion D of Figure 14 Figure 16 is a structural view of the guide post of the present invention; Figure 17 is an isometric view of the plywood of the present invention; Figure 18 is a front view of the plywood of the present invention; Figure 19 is the EE direction of Figure 18. Figure 20 is a structural view of the PCB board package of Figure 1; Figure 21 is an XY-direction expansion and contraction diagram of the PCB board product after cold pressing by a conventional cold press; Figure 22 is an electromagnetic heating using the present invention. The XY-direction expansion and contraction diagram of the cold-pressed integrated multi-cavity laminator after cold pressing is shown in Fig. 23; FIG. 23 is an XY-direction expansion and contraction trend diagram of cold pressing of the PCB board product by a conventional cold press; The invention relates to an XY direction expansion and contraction trend of cold pressing of a pressed PCB board product by the electromagnetic heating integrated hot and cold multi-cavity laminator according to the present invention; FIG. 25 is a cold press using a conventional cold press and the invention The electromagnetically heated cold-heat integrated multi-cavity laminator has a cold-pressing contrast in the X direction; FIG. 26 is a cold-heat integrated multi-cavity cooled by a conventional cold press and electromagnetic heating according to the present invention. The expansion and contraction contrast of the cold press of the laminator in the Y direction; Figure 27 is the cold pressed single layer PCB of the conventional cold press FIG. 28 is a multi-cavity layer in the XY direction of the cold-pressed single-layer PCB board of the electromagnetic heating integrated heat and cold multi-cavity laminating machine according to the present invention; FIG. 30 is a schematic structural view showing the electromagnetic induction coil of the present invention disposed in the heating plate; FIG. 31 is a schematic structural view showing the electromagnetic induction coil of the present invention disposed in the heating plate; 32 is a schematic structural view of an electromagnetic induction coil according to the present invention.

100‧‧‧Electromagnetic heating cold and heat integrated multi-cavity laminating machine

110‧‧‧ Press room

111‧‧‧left side panel

111a‧‧‧ left base

112‧‧‧right board

112a‧‧‧right base

113‧‧‧ top board

114‧‧‧ Medium board

115‧‧‧ observation window

120‧‧‧Hydraulic devices

121‧‧‧Hydraulic cylinder

130‧‧‧ room door

131‧‧‧ door sets

131a‧‧‧Inside end

131b‧‧‧Outer end

131c‧‧‧U-shaped groove

132‧‧‧ Door panel

132a‧‧‧ Bearing

133‧‧‧ drive cylinder

Claims (10)

An electromagnetically heated integrated heat and cold multi-cavity laminating machine, comprising: a press chamber having a certain internal space; a press assembly disposed in the press chamber, the press assembly comprising at least three press plates The pressing plates are parallel to each other, and the adjacent two pressing plates are separated by a certain distance to form at least two pressing chambers; a hydraulic device externally connected to the pressing assembly, and a driving portion of the hydraulic device Providing a pressing pressure for the pressing assembly; wherein the pressing chamber is provided with an electromagnetic heating assembly and a cooling assembly, the electromagnetic heating assembly including an electromagnetic induction coil capable of generating an alternating magnetic field, the electromagnetic induction coil being disposed on In the heating plate, at least one of the press plates is provided with the heating plate. The electromagnetically heated integrated heat and cold multi-cavity laminating machine according to claim 1, wherein the pressure plate is fixedly connected or integrally formed with the heating plate. The electromagnetically heated integrated heat and cold multi-cavity laminating machine according to claim 1, wherein the electromagnetic induction coil is provided in a plurality of "S"-shaped folded or spiral shapes, and the electromagnetic induction coil is The axis is parallel to the central normal of the plywood. The electromagnetically heated integrated heat and cold multi-cavity laminating machine according to claim 1, wherein the heating plate comprises a substrate and a cover plate covering the substrate, and the substrate is opened A groove that matches the shape of the electromagnetic induction coil. The electromagnetic heating integrated heat and cold multi-cavity laminating machine according to claim 1, wherein the electromagnetic heating assembly further comprises an electromagnetic heating controller electrically connected to the electromagnetic induction coil, the electromagnetic The heating controller is electrically connected to the first connection point and the second connection point of the electromagnetic induction coil, respectively, to form an electromagnetic heating circuit, so that the electromagnetic induction coil generates a varying alternating magnetic field. The electromagnetically heated integrated heat and cold multi-cavity laminating machine according to claim 1, wherein the cooling assembly comprises a cooling pipe, a cooling tank and a transfer pump, and the cooling pipe is disposed on the pressure plate. The inlet and outlet ports of the cooling pipe, the transfer pump, and the cooling box constitute a cooling circulation circuit. The electromagnetically heated integrated heat and cold multi-cavity laminating machine according to claim 1, wherein the cooling assembly comprises an air cooling component, and the air cooling component comprises: forming a circuit with the press chamber a circulating air duct; a main electromagnetic valve, an inverter fan unit, and a cooling unit disposed in sequence in an air flow direction of the circulating air duct; wherein an air outlet of the circulating air duct is disposed at a top of the press chamber The air inlet of the circulating air duct is located at the bottom of the press chamber. The electromagnetic heating integrated hot and cold multi-cavity laminating machine according to claim 7, wherein the variable frequency fan unit comprises a first inverter fan and a second inverter fan, and the circulating air duct is out. A first variable frequency fan is disposed at the tuyere, a first supplemental tuyere is disposed at an air outlet of the first inverter fan, and a first solenoid valve is disposed on the first supplemental tuyere, the main solenoid valve and the second inverter fan A second supplemental tuyere is disposed between the second supplemental tuyere and a second solenoid valve. The electromagnetic heating integrated hot and cold multi-cavity laminating machine according to claim 1, wherein the press chamber is provided with at least one chamber door, the chamber door comprising: a door panel, and a door sleeve on both sides of the door panel, the door sleeve being fixed to a door frame leading to the pressing chamber, the door panel being nested between the two door sleeves and slidable up and down along the door sleeve To achieve the opening and closing of the press chamber. The electromagnetic heating integrated hot and cold multi-cavity laminating machine according to claim 9, wherein the door cover comprises a door cover main body and a U-shaped groove portion formed in the door cover main body, The U-shaped groove portion extends along a height direction of the door cover body; at least one bearing is disposed on both sides of the door plate, and the bearing is engaged with the U-shaped groove portion; the U-shaped groove portion Two end portions are provided, respectively being an inner end portion adjacent to the press chamber door frame and an outer end portion remote from the press chamber door frame, the outer end portion having a width greater than a width of the inner end portion.