CN205667028U - Electromagnetic heating's PCB board list chamber laminator - Google Patents

Abstract

The utility model discloses an electromagnetic heating's PCB board list chamber laminator, include: the press -fitting chamber who has certain inner space, be used for produce vacuous air exhaust device in the press -fitting chamber, set up in pressure - sensitive components in the press -fitting chamber, this pressure - sensitive components be including two compressed particleboard that are parallel to each other, thereby two compressed particleboard have certain distance to constitute the pressfitting chamber apart, wherein, be equipped with the electromagnetic heating subassembly in the press -fitting chamber, the electromagnetic heating subassembly includes the electromagnetic induction coil that can produce alternating magnetic field, at least one be provided with in the compressed particleboard electromagnetic induction coil, electromagnetic induction coil's inside is the cavity form link up its both ends with formation cooling channel. The utility model provides an electromagnetic heating's PCB board list chamber laminator can ensure in hot pressing and cold pressing, through homogeneity and the stability that improves the temperature transmission, reduces the deformation rate of PCB board in the pressing process.

Description

A kind of pcb board single-chamber laminating machine of Electromagnetic Heating

Technical field

This utility model relates to a kind of pcb board laminating machine, more particularly, to the pcb board single-chamber layer of a kind of Electromagnetic Heating Press.

Background technology

Pcb board i.e. PCB (Printed circuit board), also known as printed circuit board or printed circuit Plate, is the supplier of electronic devices and components electrical connection.In general, printed circuit board (PCB): be to cover on non-conductive substrate Layer/bis-layers of Copper Foil (conductive layer) are referred to as mono-/bis-face circuit board, the method then using printing, the circuit that will design Lines printing (corrosion-resistant medium) that connection need to retain, on Copper Foil, are immersed in corrosive liquids and erode unprotected coating Copper Foil, wash corrosivity residual liquid, positional punch, coat scaling powder etc., i.e. accused.The effect of pcb board is just as crops As needing to be grown in soil: one is to provide electrical connection each other for electronic component by Copper Foil lines；Two is for electricity Sub-components and parts provide physical support.The major advantage using pcb board is to greatly reduce wiring and the mistake of assembling, improves automatically Change level and labor productivity.

Present stage, in the pressing working procedure of pcb board, especially for 2 layers and more than 2 layers pcb board products, pressing working procedure master Hot pressing to be included and colding pressing.Hot pressing is by heating prepreg (such as epoxide resin material), and applies certain pressure such as 200-500PSI/cm2 makes prepreg melt and is frozen into the multilayer circuit board of needs.Cold-press process is after hot pressing terminates Circuit is cooled to according to the rate of cooling of technological requirement the temperature needed.In existing Copper Foil conductive heater pressing machine, it is all By continuous winding copper foil conductive heater wiring board.The shortcoming that the pcb board laminating machine of present stage is primarily present has: great majority are existing The mode of heating having laminating machine to use is electrical bar heating or the heating of hot coal oil, and service life is short, and maintenance difficulty is big, thermo-lag Relatively big, it is difficult to accurate temperature controlling；It is hot press that traditional Copper Foil conducting type adds Heat sealer, can only do heat pressing process, it is impossible to do Cold-press process, is easily caused pcb board product buckling deformation in pressing process serious, ultimately results in pcb board yield rate low, produces High cost；In tradition cold-press process, cause pcb board product subsurface relatively big with the shrinkage ratio of internal layer, thus cause pcb board to become Shape warpage, produces and necessarily scraps, and increases scrap cost.

Utility model content

For weak point present in above-mentioned technology, the purpose of this utility model is to provide the PCB of a kind of Electromagnetic Heating Plate single-chamber laminating machine, it is ensured that in hot pressing and cold pressure procedure, by improving uniformity and the stability of temperature transfer, reduces pressure The deformation rate of pcb board during system, reduces scrappage, improves yield rate, reduces production cost.

In order to realize according to above-mentioned purpose of the present utility model and other advantages, it is provided that the pcb board of a kind of Electromagnetic Heating Single-chamber laminating machine, including: there is the pressing room of certain inner space；For the dress of bleeding in described pressing indoor generation vacuum Put；Being arranged at the pressing assembly that described pressing is indoor, this pressing assembly includes the two pieces of force fit plates being parallel to each other, described two pieces of pressures Plywood apart has a certain distance thus constitutes pressing chamber；Wherein, described pressing indoor are provided with Electromagnetic Heating assembly, described electromagnetism Heating assembly includes the electromagnetic induction coil that can produce alternating magnetic field, is provided with described electromagnetism at least one piece of described force fit plate Induction coil, the inside of described electromagnetic induction coil is that hollow form is to form the cooling duct at its two ends through.

Preferably, described Electromagnetic Heating assembly also includes that the Electromagnetic Heating electrically connected with described electromagnetic induction coil controls Device, described electromagnetic heating controller electrically connects with the first wiring point and second wiring point of described electromagnetic induction coil respectively, from And constitute Electromagnetic Heating loop, to cause electromagnetic induction coil to produce the alternating magnetic field of change.

Preferably, one end of described electromagnetic induction coil offers liquid inlet, and the other end of described electromagnetic induction coil is opened Being provided with liquid outlet, described cooling duct is connected with liquid inlet and the liquid outlet of described electromagnetic induction coil.

Preferably, the liquid inlet of described electromagnetic induction coil and the external cooling system that is communicated with of liquid outlet, described cooling system System, the liquid inlet of electromagnetic induction coil and liquid outlet, cooling duct constitute cooling circuit.

Preferably, described electromagnetic induction coil is arranged in multiple serpentine rugosity or helical form.

Preferably, the pcb board single-chamber laminating machine of described Electromagnetic Heating also includes air-cooled assembly, described air-cooled assembly bag Include: with the circulation wind path pipe in composition loop, described pressing room；The air-flow direction of described circulation wind path pipe sets gradually Master solenoid, frequency conversion fan unit and cooling unit；Described frequency conversion fan unit includes the first frequency conversion fan and the second frequency conversion Blower fan, is provided with the first frequency conversion fan, is provided with at the air outlet of described first frequency conversion fan at the air outlet of described circulation wind path pipe First supplements air port, and described first supplements air port is provided with the first electromagnetic valve, between described master solenoid and the second frequency conversion fan Being provided with second and supplement air port, described second supplements air port is provided with the second electromagnetic valve；Wherein, the air outlet of described circulation wind path pipe Being located at the top of pressing room, the air inlet of circulation wind path pipe is located at the bottom of pressing room.

Preferably, described pressing indoor are additionally provided with at least two guide pillars, and described force fit plate all can be upper and lower along described guide pillar Slide.The inside of described guide pillar is arranged in hollow structure, and one end of described guide pillar offers bleeding point, and described bleeding point is circumscribed with Air extractor, the outer wall of described guide pillar offer with guide pillar inside the passage that is connected.

Preferably, described pressing assembly is circumscribed with hydraulic means, and the drive division of described hydraulic means is described pressing assembly Thering is provided pressing pressure, described hydraulic means includes hydraulic cylinder and oil pump, and the drive end of described hydraulic cylinder is for being positioned at undermost institute State force fit plate and pressing pressure is provided.

Preferably, described pressing room is provided with at least one fan room door, and described room door includes: door-plate and be located at described door-plate two The door pocket of side, described door pocket and the doorframe Joint towards described pressing room, described door-plate is nested between two described door pockets And can slide up and down to realize the keying of described pressing room along described door pocket.

Preferably, described door pocket includes door pocket main body and is formed at the U-lag portion in described door pocket main body, described U-lag Portion extends along the short transverse of described door pocket main body；The both sides of described door-plate are equipped with at least one bearing, described bearing and institute State the phase clamping of U-lag portion；Described U-lag portion is provided with two ends, is respectively the medial end near described pressing room doorframe With the outboard end away from described pressing room doorframe, the width of described outboard end is more than the width of described medial end.

Compared with prior art, it provides the benefit that this utility model:

1, owing to using the heat-supplying mode of Electromagnetic Heating, Electromagnetic Heating is because electromagnetic induction coil itself is substantially without producing heat Amount, the life-span is long, overhauls and safeguards that replacement cost is cheap, and heating plate or force fit plate generate heat through variable electromagnetic field action, Btu utilization Fully, heat scatters and disappears less, and heat is gathered in inside heating plate or force fit plate, and electromagnetic induction coil surface temperature is slightly above room Temperature, can be with safe touch, it is not necessary to thermal protection, safe and reliable；Use the mode of heating of inner heat so that described heating plate or pressure Plywood directly senses magnetic energy and heat, and thermal response is quick, and average preheating time is than the shortening of traditional heating such as electrical coil resistance mode of heating More than 60%, the thermal efficiency is up to more than 90% simultaneously, under equal conditions, heats economize on electricity 30 ~ 70% than electrical coil resistance, improves simultaneously Production efficiency, electromagnetic induction coil itself does not generates heat, and thermal resistance is stagnant little, and thermal inertia is low, and temperature controls the most accurately, hence it is evident that improves and produces Quality；

2, it is provided with Electromagnetic Heating assembly and cooling assembly due to described pressing indoor, it is possible to achieve hot pressing, one of colding pressing, by Cool down in cold press or other cooling bodies in need not to transfer to, it is to avoid pcb board product after pressing in transfer process Produced internal stress by the effect of circumstance of temperature difference, additionally avoid the pressure of the force fit plate losing levels in transfer process Constraint effect causes pcb board product buckling deformation, and owing to being face contact cooling, and by regulation conduction liquid or cooling wind Flow, pressure, flow velocity and temperature etc., can effectively control the rate of cooling of pcb board product and the uniformity (plate of chilling temperature The temperature difference about and within), reduce pcb board product further and produce the problems such as irregular deformation；

3, U-lag portion has two ends, be respectively near described pressing room doorframe medial end with away from described The outboard end of the doorframe of pressing room, pressing outdoor air, more than the width of medial end, is entered by the width of outboard end Pressing indoor are provided with multi-sealed；Additionally, the sealing ring being provided with between the doorframe of room door and pressing room further increases room The sealing of door.

Accompanying drawing explanation

Detailed description will be with reference to following accompanying drawing, in the accompanying drawings:

Fig. 1 is to illustrate to wrap in according in pcb board single-chamber laminating machine of the present utility model for the pcb board manufacturing pcb board Structural representation；

Fig. 2 is the axonometric drawing of the pcb board single-chamber laminating machine of Electromagnetic Heating described in the utility model；

Fig. 3 is the top view of the pcb board single-chamber laminating machine of Electromagnetic Heating described in the utility model；

Fig. 4 is the front view of the pcb board single-chamber laminating machine of Electromagnetic Heating described in the utility model；

Fig. 5 is the right view of the pcb board single-chamber laminating machine of Electromagnetic Heating described in the utility model；

Fig. 6 is along A-A direction sectional view in Fig. 4；

Fig. 7 is along B-B direction sectional view in Fig. 4；

Fig. 8 is the partial enlarged drawing in Fig. 4 at C；

Fig. 9 is the first axonometric drawing of pressing assembly described in the utility model；

Figure 10 is the second axonometric drawing of pressing assembly described in the utility model；

Figure 11 is the right view of pressing assembly described in the utility model；

Figure 12 is the cut-away view of pressing assembly described in the utility model；

Figure 13 is the partial enlarged drawing in Figure 12 at D；

Figure 14 be Electromagnetic Heating described in the utility model pcb board single-chamber laminating machine in the axonometric drawing of force fit plate；

Figure 15 be Electromagnetic Heating described in the utility model pcb board single-chamber laminating machine in the front view of force fit plate；

Figure 16 is the sectional view in Figure 15 along E-E direction；

Figure 17 is the structure chart of pcb board bag heap 160 in Fig. 1；

Figure 18 is the X-Y direction breathing figure that the pcb board product after suppressing with traditional cold press carries out cooling down；

Figure 19 is to the pcb board product after compacting with the pcb board single-chamber laminating machine of Electromagnetic Heating described in the utility model Carry out the X-Y direction breathing figure cooled down；

Figure 20 is the structure chart that pressing room described in the utility model is communicated with air-cooled assembly；

Figure 21 is the structural representation that electromagnetic induction coil described in the utility model is arranged in force fit plate；

Figure 22 is the structural representation that electromagnetic induction coil described in the utility model is arranged in heating plate；

Figure 23 is the structural representation of electromagnetic induction coil described in the utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is described in further detail, of the present utility model aforementioned and other mesh , feature, aspect and advantage will be apparent from, to make those skilled in the art can be real according to this with reference to description word Execute.

With reference to Fig. 1 and Figure 17, put according in the pressing chamber 154b of the single-chamber hot press 100 of composite heating of the present utility model Being equipped with pcb board bag 160 to be pressed, this pcb board bag 160 to be pressed is stacked gradually to bank up by least one piece of pcb board and forms, for Prevent pcb board adhesion in pressing process, between adjacent two pieces of pcb boards and between pcb board and force fit plate 154, be provided with heat conduction And antiseized dividing plate 161.In one embodiment, the single-chamber hot press 100 of composite heating is provided with pressing chamber 154b, pressing chamber Being placed with pcb board bag 160 to be pressed in 154b, this pcb board bag 160 to be pressed is depended on from top to bottom by pcb board C1, C2, C3 Secondary lamination stack is put and is formed.The structure of every layer of pcb board as shown in figure 17, mainly include being positioned at outermost upper and lower two panels Copper Foil 162, The two panels prepreg 163 adjacent with Copper Foil 162, the internal layer circuit plate 164 clamped by prepreg 163.

With reference to shown in Fig. 1 23, the pcb board single-chamber laminating machine 100 of Electromagnetic Heating includes: control system (not shown), pressure Closing room 110, hydraulic means 120, room door 130, safety switch assembly 140 and pressing assembly 150, wherein, pressing room 110 has There is certain inner space, and this pressing room 110 includes the air extractor (not shown) for producing vacuum therein, pressing Electromagnetic Heating assembly and cooling assembly it is additionally provided with in room 110；Pressing assembly 150 is arranged in the inner space of pressing room 110, and This pressing assembly 150 include the two pieces of force fit plates 154 being parallel to each other, described two pieces of force fit plates 154 apart have a certain distance from And constituting pressing chamber 154b, pcb board bag 160 to be pressed is positioned in the 154b of pressing chamber and carries out hot pressing and cold pressing, and is positioned at upper strata Force fit plate 154 upper surface be positioned at lower floor force fit plate 154 lower surface respectively adjacent have upper thermal insulation board 155 with under heat insulation Plate 153, upper thermal insulation board 155 is made by the material of the electric insulation and thermal insulation with certain structural strength with lower thermal insulation board 153, presses Plywood 154 is made up of the material with certain structural strength and heat conduction, described hydraulic means 120, safety switch assembly 140, electricity Magnetic heating assembly all electrically connects with described control system.

As an embodiment, electromagnetic induction coil 190 that described Electromagnetic Heating assembly includes producing alternating magnetic field and The electromagnetic heating controller (not shown) of described electromagnetic induction coil 190 electrical connection.

As an embodiment, at least one piece of described force fit plate 154, it is provided with described electromagnetic induction coil 190, force fit plate 154 are made up of the magnetic conductive material with certain structural strength.

As an embodiment, described electromagnetic induction coil 190 is arranged in heating plate 180, and heating plate 180 is certain by having The magnetic conductive material of structural strength is made, and at least one piece of described force fit plate 154 is provided with described heating plate 180, described pressing Plate 154 is fixing with described heating plate 180 to be connected or one-body molded, and described heating plate 180 includes that substrate and cover cap are in described substrate On cover plate, described substrate offers the groove of mating shapes with described electromagnetic induction coil 190.

As an embodiment, described electromagnetic heating controller respectively with the first wiring point 193 of described electromagnetic induction coil Electrically connect with the second wiring point 194, thus constitute Electromagnetic Heating loop, to cause electromagnetic induction coil 190 to produce the friendship of change Varying magnetic field；AC rectification is become unidirectional current by electromagnetic heating controller, then unidirectional current is converted into high-frequency high-voltage, becomes at a high speed The high-frequency high-voltage current changed flows through electromagnetic induction coil 190 can produce the alternating magnetic field of change at a high speed, when the magnetic line of force in magnetic field During by force fit plate 154 or the heating plate 180 of magnetic conductivity, i.e. make the heating at a high speed voluntarily of force fit plate 154 or heating plate 180.

As an embodiment, the inside of described electromagnetic induction coil 190 is that hollow form is to form the cooling at its two ends through Passage 195, one end of described electromagnetic induction coil offers liquid inlet 191, and the other end of described electromagnetic induction coil offers Liquid outlet 192, described cooling duct 195 is connected with liquid inlet 191 and the liquid outlet 192 of described electromagnetic induction coil；Described The liquid inlet 191 of electromagnetic induction coil and the external cooling system that is communicated with of liquid outlet 192, described cooling system, electromagnetic induction line Liquid inlet 191 and liquid outlet 192, the cooling duct 195 of circle constitute cooling circuit；By being passed through in cooling duct 195 Temperature and the controlled coolant of flow (medium such as oil or water), thus to electromagnetic induction coil 190 and force fit plate 154 or heating plate 180 carry out the most quickly cooling, in addition to can improving rate of cooling further, additionally it is possible to electromagnetic induction coil 190 and pressure Plywood 154 or heating plate 180 play cooling protection effect, improve its reliability, reduce maintenance of equipment and replacement cost, additionally, Use the method being passed through coolant in the cooling duct 195 of electromagnetic induction coil, it is possible to reduce structure complexity substantially And do not affect cooling effectiveness.

As an embodiment, described electromagnetic induction line, 190 are arranged in multiple serpentine rugosity or helical form, and can Produce other shapes of alternating magnetic field.

As an embodiment, the axis Z1 of described electromagnetic induction coil 190 and described force fit plate 154 or heating plate 180 Centre normal Z2 is parallel.

In one embodiment, also include Copper Foil heat assembly, its be arranged on the copper foil in described pressing chamber 154b and with The power controller of described copper foil electrical connection, so that copper foil to carry out computer heating control, described copper foil is back and forth folded into multiple " S " type rugosity structure, so that be formed with multiple spaced accommodating chamber (not shown) in described copper foil, to be pressed Pcb board bag 160 be positioned over described accommodating chamber after, then be positioned in the 154b of pressing chamber.

In one embodiment, pressing room 110 includes left plate 111, right plate 112, top board 113 and middle plate 114, as Shown in Fig. 2, left plate 111, right plate 112, top board 113 and middle plate 114 constitute the pressing room with certain inner space 110, the bottom of left plate 111 is provided with left base 111a, and the bottom of right plate 112 is provided with right base 112a, can be with bolt Realize pressing room 110 be connected with the fixing of ground by left base 111a is fixed on ground with right base 112a.Left At least one observation window 115, in one embodiment, left plate 111 and right plate 112 is offered on side plate 111 and right plate 112 On offer two observation windows 115.

In one embodiment, it is additionally provided with at least two guide pillars 156 in pressing room 110, is arranged under lower thermal insulation board 153 Backing plate 152 and be arranged at the gripper shoe 151 under backing plate 152, wherein, force fit plate 154 and upper thermal insulation board 155, under heat insulation Plate 153 is all restricted between guide pillar 156 and can slide up and down along guide pillar 156；Hydraulic means 120 is external in pressing assembly 150, The drive division of described hydraulic means 120 provides pressing pressure for described pressing assembly 150.As an embodiment, hydraulic means 120 Including driving motor, some pipelines, hydraulic cylinder 121 and by the motor-driven oil pump of this driving, the drive end of described hydraulic cylinder 121 Pressing power is provided for being positioned at undermost force fit plate 154.In one embodiment, the driving of the hydraulic cylinder 121 of hydraulic means 120 Holding after gripper shoe 151 inconsistent with the lower surface of backing plate 152, hydraulic means 120 electrically connects with described control system.One In embodiment, guide pillar 156 is provided with 4, is respectively arranged at force fit plate 154 and upper thermal insulation board 155, the both sides of lower thermal insulation board 153, Guide pillar 156 runs through top board 113, backing plate 152 and gripper shoe 151, so that top board 113, backing plate 152 and gripper shoe 151 become Being a firm entirety, wherein, backing plate 152 can be along guide pillar under the drive end of the hydraulic cylinder 121 of hydraulic means 120 drives 156 slide up and down.

In one embodiment, the inner side of every guide pillar 156 offers sliding-rail groove 156b, the both sides of every piece of force fit plate 154 Rear ends is equipped with roller 154a, and force fit plate 154 is coordinated by roller 154a and sliding-rail groove 156b's, thus realizes force fit plate 154 along guide pillar about 156 sliding.

In one embodiment, the inside of guide pillar 156 is arranged in hollow structure, and one end of guide pillar 156 offers bleeding point 156a, described bleeding point 156a connect with air extractor, and the outer wall being positioned at the guide pillar 156 within pressing room 110 is provided with and guide pillar The 156 internal passages being connected, can be bled outward at bleeding point 156a by this structure thus manufacture in pressing room 110 The vacuum environment in portion.In one embodiment, it is provided with at least one pressure transducer and temperature sensing in each pressing chamber 154b Device (not shown), described pressure transducer and temperature sensor all electrically connect with described control system, for pressing intracavity Pressure and the temperature of 154b monitor in real time.

In one embodiment, described cooling assembly includes cooling tube 154c, cooler bin and delivery pump, described cooling tube 154c Being arranged in described force fit plate 154, the liquid inlet of described cooling tube 154c and liquid outlet, delivery pump, cooler bin constitute cooling and follow Loop back path；During work, the conduction liquid (can be the media such as oil or water) in cooler bin is under the driving of delivery pump, by the biography after cooling Drain is conveyed into the liquid inlet of cooling tube 154c, and cooled pipe 154c liquid outlet pass back in cooler bin, constituted with this Cooling circuit；In one embodiment, between cooling tube 154c and described cooler bin, it is provided with oil-collecting assembly 158, this collection line of oils Part 158 includes the oil-feed post 158b and oil return post 158a of inner hollow, and the liquid inlet of described cooling tube passes through flexible pipe 159 and enters Oil column 158b is connected, and the liquid outlet of described cooling tube is connected with oil return post 158a by flexible pipe 159, the oil-feed of oil-feed post Mouth 158b ' is connected with described cooler bin respectively with the oil return opening 158a ' of oil return post.

In one embodiment, described cooling tube 154c is arranged in multiple " S " type rugosity structure, and other are beneficial to cooling Pipe 154c is uniformly arranged in the shape in force fit plate 154, is provided with two groups of cooling tube 154c, institute in described force fit plate 154 The symmetrical centre stating two groups of the most described force fit plates of cooling tube 154c 154 is symmetrical arranged, thus adds in cooling tube 154c The circulation area of conduction liquid, to improve cooling tube 154c cooling effectiveness in force fit plate 01.

In one embodiment, as shown in figure 20, described cooling assembly includes that air-cooled assembly 170, described air-cooled assembly 170 wrap Include: with the circulation wind path pipe 171 that described pressing room 110 constitutes loop；On the air-flow direction of described circulation wind path pipe 171 Master solenoid 172, frequency conversion fan unit and the cooling unit 174 set gradually；Described frequency conversion fan unit includes the first frequency conversion Blower fan 176 and the second frequency conversion fan 173, be provided with the first frequency conversion fan 176 at the air outlet of described circulation wind path pipe 171, described Being provided with first at the air outlet of the first frequency conversion fan 176 and supplement air port 177, described first supplements air port 177 is provided with the first electricity Magnet valve 177a, is provided with second and supplements air port 175 between described master solenoid 172 and the second frequency conversion fan 173, described second supplements Air port 175 is provided with the second electromagnetic valve 175a；Described second frequency conversion fan the 173, first frequency conversion fan 176, master solenoid 172, Second electromagnetic valve 175a, the first electromagnetic valve 177a and the regulation and control of the controlled system of cooling unit 174, adjust timely and send into pressing Air quantity in room 110 and the temperature of wind, thus effectively the pcb board bag 160 after compacting is cooled down.

In one embodiment, the air outlet of described circulation wind path pipe 171 is located at the top of pressing room 110, circulates wind path pipe The air inlet of 171 is located at the bottom of pressing room 110, in order to formed " stack effect ", so that the high temperature bottom pressing room 110 Air faster, more effectively by circulation wind path pipe 171 discharge.

In one embodiment, pressing room 110 be provided with at least one fan communicate with extraneous and can the room door 130 of folding, this room door 130 include:

There is the door-plate 132 that the material of certain structural strength thermal insulation is made；And

It is located at the door pocket 131 of described door-plate both sides,

Wherein, door pocket 131 is with towards the doorframe Joint within pressing room 110, and door-plate 132 is nested in two door pockets 131 Between and can slide up and down to realize the closure or openness of pressing room 110 along door pocket 131.In one embodiment, pressing room 110 Before and after both sides be respectively provided with a fan room door 130.

In one embodiment, door pocket 131 includes: door pocket main body and be formed at the U-lag portion in described door pocket main body 131c, wherein, U-lag portion 131c extends along the short transverse of described door pocket main body, and the both sides of door-plate 132 are equipped with at least one Bearing 132a, bearing 132a and U-lag portion 131c phase clamping, thus realize door-plate 132 and slide up and down along door pocket 131, U-lag portion 131c has two ends, is respectively medial end 131a and the doorframe away from pressing room 110 of the doorframe near pressing room 110 Outboard end 131b, the width of outboard end 131b is more than the width of medial end 131a.In one embodiment, door-plate The both sides of 132 are equipped with 4 bearing 132a.In one embodiment, the side of each door pocket 131 is provided with for driving gate The driving cylinder 133 that plate 132 slides up and down.

In one embodiment, safety switch assembly 140, specifically, safety switch group it are provided with between two door pockets 131 Part 140 includes signal projector 141 and the signal receiver 142 being respectively arranged on door-plate 132 both sides door pocket 131, drives gas Cylinder 133 and safety switch assembly 140 all electrically connect with described control system, when door-plate 132 is in opening as shown in Figure 3 Time, during as having object or operator to intercept between signal projector 141 and signal receiver 142, control system sends and controls Signal, now door-plate 132 does not falls out, until not having other objects or operation between number emitter 141 and signal receiver 142 Personnel, thus prevent door-plate 132 from breaking or weighing operator wounded.

In one embodiment, being provided with sealing ring 134 between the doorframe of room door 130 and pressing room 110, sealing ring 134 is by having Certain elastic adiabator is had to make.In one embodiment, door-plate 132 is additionally provided with door-plate 132 is compressed with sealing ring 134 The hold down gag (not shown) pressing room 110 sealed with realization.

Operation principle: the material such as Figure 17 structure being used for manufacturing pcb board is first carried out composition stacking by workman, is finally assembling to Pcb board bag heap 160 to be pressed as shown in Figure 1；After being completed, pcb board bag heap 160 to be pressed is put into pressing chamber 154b is medium to be pressed；The door-plate 132 of control system control room door 130 falls, close pressing room 110, air extractor start by The inner space of pressing room 110 is evacuated environment；The drive end of the hydraulic cylinder 121 of hydraulic means 120 is started working, and applies one Fixed pressure is under backing plate 152, thus promotes force fit plate 154 to start to extrude the PCB to be pressed in the 154b of pressing chamber successively Plate bag heap 160, meanwhile, work offered by Electromagnetic Heating assembly, thus heats pcb board bag heap 160 to be pressed, pressure Pressure size during system, temperature height, press time are carried out feedback regulation by control system.After having suppressed, electromagnetism adds Hot assembly quits work, and now, hydraulic means 120 keeps pressure during compacting constant, and cools down assembly and start working, and such as may be used Conveying pipe 154c in force fit plate 154 is passed through constant flow, temperature control the conduction liquid between 15 DEG C ~ 35 DEG C, right The pcb board bag 160 suppressed cools down, and this process is carried out feedback regulation by control system, when control system detects pcb board When bag 160 is cooled to design temperature 45 DEG C ~ 65 DEG C, stopping the supply of conduction liquid, hydraulic means 120 starts to be gradually reduced pressure, The pcb board bag 160 suppressed is taken out after opening and waits follow-up processing work by room door 130.

With reference to Figure 18 and Figure 19, it can be seen that traditional cold press and the pcb board list according to Electromagnetic Heating of the present utility model Cavity layer press 100 compares, same measurement X-Y direction (500 ~ 620mm distance) harmomegathus data, Electromagnetic Heating of the present utility model The product that pcb board single-chamber laminating machine 100 produces, the deflection of upper, middle and lower layer product is almost consistent, and contrast traditional cold press has non- The most significantly improve, additionally, due to after having colded pressing, the temperature of force fit plate 154 directly drops to the temperature that technique needs, and directly may be used To start next group production, it is not necessary to extra cool time, device efficiency is high, further increases production efficiency.

Although embodiment of the present utility model is disclosed as above, but it is not limited in institute in description and embodiment Row use, and it can be applied to various applicable field of the present utility model completely, for those skilled in the art, and can It is easily achieved other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, this practicality Novel be not limited to specific details and shown here as with describe legend.

Claims (10)

1. the pcb board single-chamber laminating machine of an Electromagnetic Heating, it is characterised in that including:

There is the pressing room of certain inner space；

For the air extractor in described pressing indoor generation vacuum；

Being arranged at the pressing assembly that described pressing is indoor, this pressing assembly includes the two pieces of force fit plates being parallel to each other, described two pieces Force fit plate apart has a certain distance thus constitutes pressing chamber；

Wherein, described pressing indoor are provided with Electromagnetic Heating assembly, and described Electromagnetic Heating assembly includes producing alternating magnetic field Electromagnetic induction coil, is provided with described electromagnetic induction coil at least one piece of described force fit plate, described electromagnetic induction coil interior Portion is that hollow form is to form the cooling duct at its two ends through.

2. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that described Electromagnetic Heating assembly Also include the electromagnetic heating controller electrically connected with described electromagnetic induction coil, described electromagnetic heating controller respectively with described electricity First wiring point of magnetic induction coil and the electrical connection of the second wiring point, thus constitute Electromagnetic Heating loop, to cause electromagnetic induction Coil produces the alternating magnetic field of change.

3. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that described electromagnetic induction coil One end offer liquid inlet, the other end of described electromagnetic induction coil offers liquid outlet, described cooling duct and described electricity The liquid inlet of magnetic induction coil is connected with liquid outlet.

4. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 3, it is characterised in that described electromagnetic induction coil Liquid inlet and the external cooling system that is communicated with of liquid outlet, described cooling system, the liquid inlet of electromagnetic induction coil and liquid outlet, Cooling duct constitutes cooling circuit.

5. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that described electromagnetic induction coil Arrange in multiple serpentine rugosity or helical form.

6. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that also include air-cooled assembly, institute State air-cooled assembly to include:

Circulation wind path pipe with composition loop, described pressing room；

The master solenoid, frequency conversion fan unit and the cooling that set gradually on the air-flow direction of described circulation wind path pipe are single Unit；

Described frequency conversion fan unit includes the first frequency conversion fan and the second frequency conversion fan, sets at the air outlet of described circulation wind path pipe Having the first frequency conversion fan, be provided with first and supplement air port at the air outlet of described first frequency conversion fan, described first supplements on air port Being provided with the first electromagnetic valve, be provided with second and supplement air port between described master solenoid and the second frequency conversion fan, described second supplements wind Mouth is provided with the second electromagnetic valve；Wherein, the air outlet of described circulation wind path pipe is located at the top of pressing room, entering of circulation wind path pipe The bottom of pressing room is located in air port.

7. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that described pressing indoor also set Being equipped with at least two guide pillars, described force fit plate all can slide up and down along described guide pillar；

The inside of described guide pillar is arranged in hollow structure, and one end of described guide pillar offers bleeding point, and described bleeding point is circumscribed with Air extractor, the outer wall of described guide pillar offer with guide pillar inside the passage that is connected.

8. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that described pressing assembly is external Having hydraulic means, the drive division of described hydraulic means provides pressing pressure for described pressing assembly, and described hydraulic means includes liquid Cylinder pressure and oil pump, the drive end of described hydraulic cylinder provides pressing pressure for being positioned at undermost described force fit plate.

9. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 1, it is characterised in that described pressing room be provided with to A few fan room door, described room door includes: door-plate and be located at the door pocket of described door-plate both sides, described door pocket with towards described pressing The doorframe Joint of room, described door-plate is nested between two described door pockets and can slide up and down to realize described along described door pocket The keying of pressing room.

10. the pcb board single-chamber laminating machine of Electromagnetic Heating as claimed in claim 9, it is characterised in that described door pocket includes door pocket Main body and be formed at the U-lag portion in described door pocket main body, described U-lag portion extends along the short transverse of described door pocket main body； The both sides of described door-plate are equipped with at least one bearing, described bearing and the phase clamping of described U-lag portion；Described U-lag portion is arranged There are two ends, are respectively the medial end near described pressing room doorframe and the outboard end away from described pressing room doorframe, The width of described outboard end is more than the width of described medial end.