TWM516815U - Cooling pressing machine with uniform cooling effect - Google Patents

Description

Cooling press with uniform cooling effect

The invention relates to a cooling press machine, in particular to a cooling press machine with uniform cooling effect.

A general printed circuit board (PCB) is a circuit board that is formed by circuit designing circuit parts, and is formed by surface processing and machining, and is often used in digital cameras, notebook computers, or the like. 3C products, the existing printed circuit board is made of glass fiber cloth, and the surface of the substrate is further laminated with at least one multi-layer board made of glass fiber cloth and copper foil, which is stacked once in the mass production process. Multi-layer, after stacking multiple layers in a mass production process, after high-temperature pressing process, the thermal expansion and cooling shrinkage of the copper foil and the fiberglass cloth are different, so that the multi-layer boards are non-uniformly contracted, so that the combined multi-layer boards The phenomenon of warpage is generated, which in turn affects the yield of the printed circuit board. Therefore, it is necessary to cool and flatten the multilayer printed circuit board by a cooling presser 90 as shown in FIG.

As shown in FIG. 6 and FIG. 7, the conventional cooling and pressing machine 90 includes a frame body 91, a pressure cylinder 92, a fixed cooling platen 93, a plurality of movable cooling platens 94, and a water cooling unit 95. The cylinders 92 are fixed. The frame body 91 is provided with a piston rod 920 movable up and down relative to the frame body 91, and the piston rod 920 is disposed upwardly. The fixed cooling platen 93 is horizontally fixed to the top of the frame body 91. The plurality of movable cooling platens are disposed. 94 is coupled to the frame body 91 and located below the fixed cooling platen 93, and the lowermost movable cooling platen 94 and the piston rod 920 of the pressure cylinder 92 abut each other, such that each movable cooling platen 94 can pass through the piston rod 920. The cooling platen 93 is provided with a cooling flow path (not shown), and the cooling water channels of each of the cooling platens 93 and 94 are respectively provided with a water inlet 931, 941 and a water outlet 932, 942, each water inlet 931, 941 and the corresponding water outlet 932, 942 In connection, the water cooling unit 95 is fixed to the frame body 91 and includes a water inlet main pipe 951 and a water discharge main pipe 952. The water inlet main pipe 951 passes through a plurality of water inlet auxiliary pipes 953 and water inlets 931 of the cooling platens 93 and 94, The 941 is in communication, and the outlet main pipe 952 communicates with the water outlets 932 and 942 of the respective cooling plates 93 and 94 through a plurality of outlet water pipes 954.

The process of pressurizing and cooling a plurality of multilayer printed circuit boards 96 by the cooling and pressing machine 90 is as shown in FIG. 6 and FIG. 7. First, a plurality of multilayer printed circuit boards 96 are stacked and placed in each of the upper and lower spaces for cooling. Between the pressure plates 93, 94, the pressure cylinder 92 is activated to pressurize the plurality of multilayer printed circuit boards 96 by the plurality of movable cooling platens 94, and a low temperature coolant is input from the water inlet main pipe 951 to facilitate the acceleration of the plurality of The temperature drop rate of the multilayer printed circuit board 96 is prevented from being deformed, that is, the heat energy of each of the multilayer printed circuit boards 96 is transmitted from the respective cooling platens 93, 94 by heat conduction, however, the periphery of each of the multilayer printed circuit boards 96 is directly exposed to the outside. In the air, the heat of the periphery of each of the multilayer printed circuit boards 96 can be quickly dissipated into the surrounding air by means of thermal convection, so that the temperature of the peripheral region of each of the multilayer printed circuit boards 96 is lower than the temperature of the central portion thereof. As a result of the difference in temperature of the regions of the multilayer printed circuit board 96, it is easy to cause uneven shrinkage in each region of each of the multilayer printed circuit boards 96, if each of the multilayer printed circuit boards 96 is When the manufacturing time is cut into a rectangle, the temperature difference between the peripheral printed circuit board 96 and the central region of the multilayer printed circuit board 96 causes uneven cooling and shrinkage of the peripheral region and the central region of each of the multilayer printed circuit boards 96, thereby generating a phenomenon such as Figure 8 shows the formation of two trapezoidal combinations (trapezoidal tapering phenomenon), resulting in deformation of each multilayer printed circuit board 96 to produce a large number of defective products and scrapped, especially the current circuit board requirements are more and more fine, circuit line width, line spacing and size The expansion and contraction requires the board to become thinner and thinner, so the existing cooling and pressing machine 90 is indispensable for improvement.

In order to solve the difference in the cooling speed between the central region and the peripheral region of each multilayer printed circuit board during the cooling process of the existing cooling press, the shrinkage width of the peripheral region is greater than the central region. The shrinkage of the domain causes the multilayer printed circuit board to be deformed and needs to be scrapped. The main purpose of the present invention is to provide a cooling and pressing machine with uniform cooling effect. The present invention mainly provides a plurality of heating outside the ring side of the frame body. Units, and let the hot gas direction of each heating element on each heating unit face each accommodating chamber to control the peripheral temperature of each multilayer printed circuit board, so that the peripheral area and the central area can be cooled synchronously and evenly, so that each multilayer printed circuit board The overall shrinkage is uniform, while maintaining the optimum shape, thereby improving the yield of each multilayer printed circuit board after the cooling and pressing process.

The cooling press machine with uniform cooling effect proposed by the prior art includes: a body comprising a frame body, at least one driving device, a plurality of cooling platens and a water cooling unit, the at least one driving The device is fixed to the frame body, and the plurality of cooling platens are combined with the frame body at intervals, at least one cooling platen is fixed to the frame body, and the remaining at least one cooling platen is coupled to the at least one driving device. In combination, a cooling flow channel is disposed inside each of the cooling platens, and an accommodation chamber is formed between the two upper and lower spaced cooling platens. The water cooling unit is fixed to the frame body and includes a water inlet main pipe and a water discharge main pipe. The water inlet main pipe and the water discharge main pipe are both connected to the cooling flow passages of the cooling platens; and a plurality of heating units surrounding the outer circumferential surface of the frame body of the machine body, each heating unit includes a heating unit a support base and a plurality of heating elements, the plurality of support seats respectively surrounding the outer circumferential surface of the frame body of the body, the plurality of heating elements being fixed in the support seats And a surface facing the outlet is provided with a heat corresponding accommodating chamber.

The above-mentioned cooling and pressing machine with uniform cooling effect, wherein the plurality of cooling platens comprise a fixed cooling platen and a plurality of movable cooling platens fixed to the top of the frame body, wherein the plurality of movable cooling platens are located at the A cooling cooling platen is fixed below, and a lowermost movable cooling platen is coupled to the at least one driving device.

In the above-mentioned cooling and pressing machine with uniform cooling effect, each heating element on each heating unit is disposed at an interval of upper and lower intervals and respectively corresponding to the accommodation chambers of different heights.

The above-mentioned cooling press with uniform cooling effect, wherein the at least one driving device comprises a plurality of upper pressing cylinders and a plurality of lower pressing cylinders, the plurality of cooling pressing plates comprising two fixed cooling pressing plates and two movable cooling pressing plates, the two fixings The cooling platen is arranged at an upper and lower interval, wherein a movable cooling platen is located above the upper fixed cooling platen, and another movable cooling platen is located between the upper fixed cooling platen and the lower fixed cooling platen, and the upper movable cooling platen and the upper A plurality of upper pressure cylinders are coupled, and a lower movable cooling pressure plate is coupled to the plurality of lower pressure cylinders.

The above-mentioned cooling and pressing machine with a uniform cooling effect, wherein an upper receiving chamber and a lower receiving chamber are respectively formed between the two fixed cooling pressing plates and the corresponding movable cooling pressing plates, and each supporting seat is provided with at least three And a heating member corresponding to the upper accommodating chamber, and each supporting seat is further provided with at least three heating members corresponding to the lower accommodating chamber.

The aforementioned cooling press with uniform cooling effect, wherein the at least one driving device is a pressure cylinder.

The aforementioned cooling press with uniform cooling effect, wherein each heating member is a hot air blower.

The aforementioned cooling press with uniform cooling effect, wherein each heating member is a halogen lamp.

The utility model has the advantages of enhanced efficiency and advantages: the present invention allows a plurality of heating units to be arranged on the circumferential surface of the frame body, so that the heating ports of the heating elements on the heating units are oriented toward corresponding ones. Room, that is, letting each heating element warm the periphery of each multilayer printed circuit board, so that the central area and the peripheral area of each multilayer printed circuit board can be cooled uniformly, the entire multilayer printed circuit board can be uniformly cooled and cooled, and the temperature can be maintained. The final shape achieves the effect of increasing the yield of each multilayer printed circuit board.

10‧‧‧ body

11‧‧‧ ‧ frame

12, 12A‧‧‧ drive

120‧‧‧moving rod

121A‧‧‧Upper cylinder

122A‧‧‧lower cylinder

13, 13A‧‧‧Cooling plate

131, 131A‧‧‧Fixed cooling plate

132, 132A‧‧‧ activities cooling plate

133‧‧‧Cooling runner

134‧‧‧Temperature sensing probe

135‧‧ ‧ water inlet

136‧‧‧Water outlet

14‧‧‧Water cooling unit

141‧‧‧Water Intake Supervisor

142‧‧‧Water inlet pipe

143‧‧‧Water Director

144‧‧‧Water discharge pipe

15‧‧‧ housing room

151A‧‧‧上容室

152A‧‧‧下容室

20‧‧‧heating unit

21, 21A‧‧‧ support

22, 22A‧‧‧heating parts

220‧‧‧Hot export

30‧‧‧Printed circuit board

90‧‧‧Cooling press

91‧‧‧ ‧ frame

92‧‧‧pressure cylinder

920‧‧‧ piston rod

93‧‧‧Fixed cooling plate

931, 941‧‧ ‧ water inlet

94‧‧‧Active cooling platen

932, 942‧‧ ‧ water outlet

95‧‧‧Water cooling unit

951‧‧‧Water Director

952‧‧‧Water Director

953‧‧‧Water inlet pipe

954‧‧‧Water discharge pipe

96‧‧‧Printed circuit board

1 is a front elevational view of a first preferred embodiment of the present invention.

Figure 2 is a side elevational view of the first preferred embodiment of the present invention.

Figure 3 is a cross-sectional view showing the cooling platen of the first preferred embodiment of the present invention.

Figure 4 is a front elevational view of a second preferred embodiment of the present invention.

Figure 5 is a side elevational view of a second preferred embodiment of the present invention.

Figure 6 is a front elevational view of a prior art cooling press.

Figure 7 is a side elevational view of a prior art cooling press.

Fig. 8 is a top plan view showing the conventional multilayer printed circuit board which is unevenly shrunk due to cooling.

In order to understand the technical features and practical effects of the present invention in detail, and in accordance with the novel content, the following further exemplifies the following: the present invention provides a uniform cooling effect. A first preferred embodiment of the cooling press is shown in FIG. 1 and FIG. 2. The cooling press having a uniform cooling effect includes a body 10 and a plurality of heating units 20, wherein: the body 10 includes a frame The body 11 , the at least one driving device 12 , the plurality of cooling platens 13 , and a water cooling unit 14 , the frame body 11 is a rectangular frame body having four sides, and the at least one driving device 12 is fixed to the frame body 11 and provided There is a moving rod 120 that can be raised and lowered relative to the frame body 11. The moving rod 120 is disposed upward. Preferably, the driving device 12 is a pressure cylinder, and the plurality of cooling platens 13 are spaced apart from the frame body 11 at intervals. Preferably, the plurality of cooling platens 13 include a fixed cooling platen 131 and at least one movable cooling platen 132. The fixed cooling platen 131 is horizontally fixed to the top of the frame body 11. The plurality of movable cooling platens 132 and The frame 11 Binding and is located under the stationary platen 131 is cooled The lowermost movable cooling platen 132 and the moving rod 120 of the driving device 12 abut each other, so that the movable cooling platens 132 can be lifted and lowered relative to the fixed cooling platen 131, and the upper and lower spaced cooling platens 13 are formed. As shown in FIG. 3, each of the cooling platens 13 is provided with a cooling flow path 133 and a plurality of temperature sensing probes 134. The cooling flow path 133 has an S-shaped design and is provided with a The water inlet 135 and the water outlet 136 are horizontally spaced apart from each other in the cooling plate 13 , and the plurality of temperature sensing probes 134 are located between the cooling channels 133 . The plurality of temperature sensing probes 134 are enabled to measure the temperature of different regions of each of the cooling platens 13.

The water cooling unit 14 includes a water inlet main pipe 141, a plurality of water inlet auxiliary pipes 142, an water discharge main pipe 143, and at least one water discharge auxiliary pipe 144. The water inlet main pipe 141 is fixed to the frame body 11, and each water inlet pipe is connected. 142 is provided at two ends, one end of each water inlet auxiliary pipe 142 is in communication with the water inlet main pipe 141, and the other end of each water inlet auxiliary pipe 142 is connected with the water inlet 135 of each cooling platen 13, and the water discharge main pipe 143 and The frame body 11 is fixedly connected, and each of the water outlet sub-tubes 144 is provided with two ends, one end of each of the water outlet sub-pipes 144 is in communication with the water discharge main pipe 143, and the other end of each of the water outlet sub-pipes 144 and the water outlet of each of the cooling platens 13 136 is connected.

The plurality of heating units 20 surround the outer circumferential surface of the frame body 11 of the body 10. Preferably, the present invention is provided with four heating units 20, and the heating units 20 are respectively located in one of the frame bodies 11. On the outer side of the side, each heating unit 20 includes a support base 21 and a plurality of heating elements 22, and the bottoms of the four support bases 21 are fixed to the bottom of the frame body 11 of the body 10, and the four support bases 21 are respectively arranged correspondingly. Outside the four sides of the frame body 11, the plurality of heating elements 22 are fixedly spaced on the inner side of each support seat 21 at intervals and are provided with a plurality of heat outlets 220, and heating elements on each heating unit 20 22, respectively, corresponding to the accommodating chambers 15 of different heights, and the heat outlets 220 of the heating elements 22 are all oriented toward the corresponding accommodating chambers 15, which can be a hot air blower, an electric heat pipe, and an infrared light pipe. , a halogen tube or ceramic heating, etc.

As shown in FIG. 1 to FIG. 3, when the present invention is used, a plurality of multi-layer printed circuit boards 30 are stacked and placed in each of the accommodating chambers 15, and the driving device 12 is activated. The moving rod 120 of the driving device 12 is activated. The movable cooling pressure 132 plate is moved upward and abuts against the fixed cooling pressure plate 131 to compress the multilayer printed circuit board 30, and a low temperature coolant is input into the main water inlet pipe 141, and the coolant is fed through each auxiliary The water pipe 142 flows into the cooling flow passage 133 in each of the cooling platens 13, and the coolant flows into the main water outlet pipe 143 through the respective outlet pipes 144, and the coolant can transfer the respective multilayer printed circuit boards 30 to each cooling. The heat of the pressure plate 13 is taken out, and the heating elements 22 of the heating units 20 are activated, and the heat outlets 220 of the heating elements 22 are directed toward the corresponding accommodating chambers 15, so that the heat of the heating elements 22 is transferred to the respective multilayer printed circuit boards. The peripheral edge of 30, wherein the set temperature of each heating element 22 is measured by the temperature sensing probes 134 to measure the temperature of different regions in each cooling platen 13, so that the central region and the peripheral region of each multilayer printed circuit board 30 can be cooled uniformly. Make each Layer printed circuit board 30 overall uniformity of pressurized cooling, and can maintain its final shape.

As shown in FIG. 4 and FIG. 5, the structural design of the embodiment is substantially the same as that of the first preferred embodiment. The difference between the embodiment is that at least one driving device 12A includes a plurality of upper pressure cylinders 121A and a plurality of lower pressure cylinders 122A. The plurality of cooling pressure plates 13A include two fixed cooling pressure plates 131A and two movable cooling pressure plates 132A. The two fixed cooling pressure plates 131A are arranged at an upper and lower intervals, wherein one of the movable cooling plates is arranged. The platen 132A is located above the upper fixed cooling platen 131A, and the other movable cooling platen 132A is located between the upper fixed cooling platen 131A and the lower fixed cooling platen 131A.

An upper receiving chamber 151A and a lower receiving chamber 152A are respectively formed between the two fixed cooling platens 131A and the corresponding movable cooling platens 132A, and the upper movable cooling platen 132A and the moving rods of the plurality of upper pressing cylinders 121A are respectively formed. The fixed cooling platen 131A can be lifted and lowered, and the lower movable cooling platen 132A is fixedly connected to the moving rods of the plurality of pressing cylinders 122A, and can be lifted and lowered relative to the lower fixed cooling platen 131A. Two supports on the outside of each side of the body 11 The seat 21A is provided with at least three heating elements 22A opposite to the upper receiving chamber 151A, and each supporting seat 21A is further provided with at least three corresponding to the lower receiving chamber 151A. The heating element 22A; the second preferred embodiment operates in substantially the same manner as the first preferred embodiment, with the difference that at least three heating elements 22A on each of the support seats 21A face the upper receiving chamber 151A, and each The other at least three heating members 22A on the support base 21A face the lower accommodating chamber 152A, and the number of the heating members 22A on each of the supporting seats 21A increases, so that the periphery of each of the multilayer printed circuit boards 30 in each of the accommodating chambers 151A, 152A is uniform. The temperature is raised and kept at the same temperature as the center portion and the internal material, so that the entire printed circuit board 30 can be uniformly cooled uniformly.

With the above technical features, the present invention mainly uses the heating elements 22, 22A to heat the periphery of each of the multilayer printed circuit boards 30 such that the temperature of the central region of each of the multilayer printed circuit boards 30 is the same as the temperature of the peripheral region thereof, and the multilayer printing is performed. During the cooling and pressing process of the circuit board 30, the center and the periphery of each of the multilayer printed circuit boards 30 can be uniformly cooled, compared with the conventional cooling and pressing machine 90 in the process of cooling and pressing the respective multilayer printed circuit boards 96, The peripheral region and the central region of the multilayer printed circuit board 96 are unevenly cooled to produce different expansion and contraction and excessive deformation, resulting in scrapping. The present invention clearly and effectively ensures uniform and effective pressure cooling of each of the multilayer printed circuit boards 30 during cooling. Achieve increased production yield and reduced scrap.

10‧‧‧ body

11‧‧‧ ‧ frame

12‧‧‧ drive

120‧‧‧moving rod

13‧‧‧Cooling platen

131‧‧‧Fixed cooling platen

132‧‧‧Active cooling platen

135‧‧ ‧ water inlet

14‧‧‧Water cooling unit

141‧‧‧Water Intake Supervisor

142‧‧‧Water inlet pipe

15‧‧‧ housing room

20‧‧‧heating unit

21‧‧‧ Support

22‧‧‧heating parts

220‧‧‧Hot export

30‧‧‧Soft printed circuit board

Claims (10)

A cooling and pressing machine with a uniform cooling effect, comprising: a body, a body, at least one driving device, a plurality of cooling platens and a water cooling unit, wherein the at least one driving device is fixed to the frame body, The plurality of cooling platens are combined with the frame body at intervals, at least one cooling platen is fixed to the frame body, and at least one of the remaining cooling platens is combined with the at least one driving device, and each of the cooling platens is provided There is a cooling flow passage, and an accommodation chamber is formed between the two upper and lower spaced cooling platens. The water cooling unit is fixed to the frame body and includes a water inlet main pipe and a water discharge main pipe, and the water inlet main pipe and the water discharge main pipe The main pipe is connected to the cooling flow passages of the cooling platens; and a plurality of heating units surrounding the outer circumferential surface of the frame body of the body, each heating unit includes a support base and a plurality of heating elements. The plurality of support seats respectively surround the outer circumferential surface of the frame body of the body, and the plurality of heating elements are fixed to the inner side surfaces of the support bases and are provided with a corresponding orientation Hot outlet chamber. The cooling press with uniform cooling effect according to claim 1, wherein the plurality of cooling platens comprise a fixed cooling platen and a plurality of movable cooling platens fixed to the top of the frame body, the plurality of The movable cooling platen is located below the fixed cooling platen, and the lowermost movable cooling platen is coupled to the at least one driving device. The cooling press with uniform cooling effect according to claim 2, wherein each heating element on each heating unit is disposed at an interval of upper and lower intervals and respectively corresponding to the accommodation chambers of different heights. A cooling press having a uniform cooling effect according to claim 1, wherein the at least one driving device comprises a plurality of upper pressing cylinders and a plurality of lower pressing cylinders, the plurality of cooling pressing plates comprising two fixed cooling pressing plates and two movable cooling a pressure plate, the two fixed cooling pressure plates are arranged at an upper and lower intervals, wherein one movable cooling pressure plate is located above the fixed cooling plate above, and another movable cooling plate is located above Between the cooling platen and the fixed cooling platen below, the upper movable cooling platen is coupled to the plurality of upper pressure cylinders, and the lower movable cooling platen is coupled to the plurality of lower pressure cylinders. The cooling and pressing machine according to claim 4, wherein the two fixed cooling platens and the corresponding movable cooling platens respectively form an upper receiving chamber and a lower receiving chamber, and each supporting seat There are at least three heating members corresponding to the upper receiving chamber, and each supporting seat is further provided with at least three heating members corresponding to the lower receiving chamber. A cooling press having a uniform cooling effect according to any one of claims 1 to 5, wherein the at least one driving device is a pressure cylinder. A cooling press having a uniform cooling effect as claimed in claim 6, wherein each of the heating members is a hot air blower. A cooling press having a uniform cooling effect as claimed in claim 6, wherein each of the heating members is a halogen lamp. A cooling press having a uniform cooling effect as claimed in claim 6, wherein each of the heating members is an electric heating tube. A cooling press having a uniform cooling effect as claimed in claim 6, wherein each of the heating members is an infrared lamp.