CN214206012U - Aluminum substrate direct-pressing processing equipment with double-sided metalized holes - Google Patents
Aluminum substrate direct-pressing processing equipment with double-sided metalized holes Download PDFInfo
- Publication number
- CN214206012U CN214206012U CN202022756629.2U CN202022756629U CN214206012U CN 214206012 U CN214206012 U CN 214206012U CN 202022756629 U CN202022756629 U CN 202022756629U CN 214206012 U CN214206012 U CN 214206012U
- Authority
- CN
- China
- Prior art keywords
- pressing
- processing equipment
- workstation
- pressfitting
- pressfitting chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Insulated Metal Substrates For Printed Circuits (AREA)
Abstract
The utility model discloses aluminium base board vertical compression processing equipment in two-sided metallization hole uses the aluminium base board vertical compression technology in two-sided metallization hole, comprises a workbench, the upper end of workstation is provided with the pressfitting chamber, the upper end in pressfitting chamber is provided with the pneumatic cylinder, the inside that the lower extreme of pneumatic cylinder is close to the pressfitting chamber is provided with the clamp plate, the surface of workstation is provided with a plurality of groups movable roll. Aluminum base board vertical compression processing equipment in two-sided metallization hole. The production process greatly improves the production efficiency, reduces the production links, reduces the processing cost, realizes the environmental requirements of energy conservation and emission reduction, and effectively improves the qualification rate of products.
Description
Technical Field
The utility model relates to an aluminium base board field of making, in particular to aluminium base board vertical compression technology in two-sided metallization hole and processing equipment.
Background
With the development of scientific and technological progress and new materials for new processes in the electronic industry, more and more products are developed towards miniaturization and light weight, the PCB design is smaller and smaller, and the following problem of effective heat dissipation of electric appliances borne on the PCB substrate is more and more concerned, so that the double-sided aluminum substrate capable of bearing multi-appliance layout and effectively dissipating heat is produced.
The manufacturing process of the double-sided aluminum substrate commonly adopted in the industry at present comprises the following steps: opening an aluminum plate, drilling a large hole on the aluminum plate, coating liquid resin to plug the hole, baking, removing residual resin overflowing or protruding from the surface, laminating films and copper foils on two sides of the aluminum plate, pressing, cutting edges, drilling a small hole (a via hole or a plug hole), depositing copper/a plate, transferring a pattern, depositing copper/electrolytic lead tin, etching, welding resistance, silk printing, forming, electrically testing, inspecting, warehousing/shipping.
The problems with this process are as follows:
1. liquid resin is filled in the holes, and the residual resin on the surface of the aluminum plate is difficult to remove after being cured;
2. the residual resin on the surface can cause poor insulating layer uniformity during lamination if the resin is not removed cleanly;
3. if the residual resin on the surface is removed, the steel plate of the laminating equipment is damaged during lamination;
4. when a thinner aluminum core plate is processed, the makeup is too large, and the hole plugging resin falls off due to warping in the operation process;
5. when the liquid resin is filled into the hole with the diameter of more than 5MM, the hole-filled resin is easy to fall off;
6. if the surface of the liquid resin plug hole is not cleaned before lamination, the phenomenon that the resin in the hole is separated from the insulating layer by heating can be caused after lamination, so that the risks of copper foil separation, open circuit and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides aluminium base board vertical compression processing equipment in two-sided metallization hole can effectively solve the problem in the background art.
The utility model discloses still provide the processing equipment of the aluminium base board vertical compression technology in two-sided metallization hole, use the aluminium base board vertical compression technology in two-sided metallization hole, comprises a workbench, the upper end of workstation is provided with the pressfitting chamber, the upper end in pressfitting chamber is provided with the pneumatic cylinder, the inside that the lower extreme of pneumatic cylinder is close to the pressfitting chamber is provided with the clamp plate, the surface of workstation is provided with a plurality of groups movable roller.
Preferably, the pressing cavity is fixedly connected with the workbench, the hydraulic cylinder is fixedly connected with the pressing cavity, the hydraulic cylinder extends to the inner side of the pressing cavity, the pressing plate is fixedly connected with the hydraulic cylinder, heaters are arranged on the surface of the inner side of the pressing cavity, and the heaters are two in number and fixedly connected with the pressing cavity.
Preferably, the both ends of activity roller are provided with the pivot, and be fixed connection between pivot and the activity roller, the inboard of pivot embedding workstation, and with the workstation between be connected for rotating.
Preferably, the front end in pressfitting chamber is provided with the dodge gate, the junction in dodge gate and pressfitting chamber is provided with the hinge, and passes through hinge swing joint between dodge gate and the pressfitting chamber, the lower extreme of workstation is close to corner fixed mounting and is had the supporting legs, the quantity of supporting legs is four groups, and is the array distribution.
The utility model provides a two-sided metallized hole aluminium base board vertical compression technology, be different from other process methods in the trade, utilize three kinds of state characteristics of liquid, semi-solid state, stable solid state of epoxy, adopt the direct pressfitting method after semi-solid state epoxy powder is filled, cancel the flow of brushing liquid epoxy on the aluminium face that punches, cancel the flow of baking after the liquid epoxy consent, cancel the surface degumming polishing technology behind the liquid epoxy consent, adopt and directly enter the pressfitting process after aluminium plate punches, after filling the aperture on the aluminium plate with epoxy powder, through press high temperature treatment, epoxy in the semi-solid state piece and the downthehole epoxy powder of aluminium plate, after being heated, the state is turned into liquid by semi-solid state at first, fuse each other, turn into stable solid state epoxy after the cooling again, this production technology improves production efficiency greatly, production links are reduced, processing cost is reduced, environmental requirements for energy conservation and emission reduction are met, the qualified rate of products is effectively improved, and the method has the following advantages:
1. the process of plugging the holes with liquid resin is cancelled, so that the production flow is reduced;
2. the baking process after the liquid resin is plugged is cancelled, the production process is reduced, and the energy consumption loss is reduced;
3. the grinding brush and the glue residue removing process after the liquid resin hole plugging baking are cancelled, so that the production flow is reduced;
4. the semi-cured epoxy resin powder is converted into stable solid epoxy resin after being heated at high temperature, and the epoxy resin powder is directly filled in the aluminum plate holes during pressing, so that the production efficiency is greatly improved;
5. the filled epoxy resin powder and the epoxy resin in the prepreg have the same semi-curing property, the epoxy resin is firstly converted into liquid state at high temperature, and the epoxy resins of the two media are fully fused and then fixed, so that the bonding force of the hole plugging resin and the insulating layer resin is enhanced;
6. the process of directly pressing after plugging the holes with the epoxy resin powder is adopted, so that the risks of warping of the board surface and falling of the plugged resin during the operation of the conventional process are reduced;
7. the process of directly pressing after the holes are plugged by the epoxy resin powder is adopted, so that the risk of layering after pressing caused by board surface pollution during the conventional process operation is reduced;
8. the epoxy resin powder is adopted to plug the hole, and the large-aperture and large-irregular-shaped groove above 5MM is fully filled, so that the process limitation that only a small aperture can be filled is avoided.
Drawings
FIG. 1 is a process step diagram of a double-sided metallized hole aluminum substrate direct-pressing process of the present invention;
FIG. 2 is a schematic structural view of the processing equipment of the double-sided metallized hole aluminum substrate direct-pressing process of the present invention;
FIG. 3 is an assembly view of the movable roll mounted on the table;
fig. 4 is an assembly view between the hydraulic cylinder and the heater.
In the figure: 1. a work table; 2. a press-fit cavity; 3. a hydraulic cylinder; 4. a movable door; 5. supporting legs; 6. a movable roller; 7. a rotating shaft; 8. pressing a plate; 9. a heater.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 4, the double-sided metalized hole aluminum substrate direct-pressing process specifically comprises the following steps:
s1, material preparation: after cutting an aluminum plate, making holes or grooves needing metallization on the aluminum plate through a numerical control processing device or a punch press, wherein the holes or grooves are usually larger than the aperture of a finished product and have a single side of more than 0.3MM, and preparing epoxy resin powder, a cured sheet, copper foil, a heat-conducting adhesive film and a press-fit steel plate die;
s2, taking a pressing steel plate die and placing a lower steel plate die;
s3, tiling the bottom copper foil;
s4, flatly laying a heat-conducting adhesive film for insulation and heat dissipation;
s5, placing the aluminum substrate after drilling, CNC or punching and reaming;
s6, pouring a certain amount of epoxy resin powder into the measuring cup, wherein the epoxy resin powder is in a semi-curing state;
s7, uniformly scraping epoxy resin powder on the surface of the aluminum plate to holes and grooves of the aluminum plate needing to be filled with resin by using a scraper, and then placing prepregs in the holes and the grooves;
s8, flatly laying a heat-conducting adhesive film for insulation and heat dissipation;
s9, tiling the top copper foil;
s10, placing an upper steel plate die, fastening an upper steel plate and a lower steel plate, and pushing the upper steel plate and the lower steel plate into a press;
and S11, repeating the operations S2-S10 according to the number of the steel plate dies which can be operated by the press each time, and performing pressing operation when the rated capacity of the press equipment is reached.
The aluminum substrate after drilling, CNC or punching reaming in S1 needs to be subjected to ash removal treatment on the hole wall, the groove and the surface of the substrate, so that the cleanness of the aluminum plate is ensured, the dust generated by drilling and grooving is prevented from influencing the later-stage process, the surface of the substrate, the holes and the dust in the grooves are not cleaned, and the resin in the holes and the insulating layer are separated by heating after pressing, so that the risks of copper foil separation, open circuit and the like are caused.
The epoxy resin is classified into liquid epoxy resin, semi-cured epoxy resin and stable solid epoxy resin.
The prepreg is composed of glass fiber cloth and epoxy resin, wherein the epoxy resin is processed from liquid to become semi-solid finally when the prepreg is manufactured, the epoxy resin plays a main role in the process of converting from semi-solid heating to stable solid when in pressing, the glass fiber cloth is used as a framework of the prepreg, the glass fiber cloth does not generate essential change in the hot pressing process and plays a role in determining the thickness and maintaining the cutting property of a circuit board, and the epoxy resin can finally become stable solid under the action of a curing agent and heating conditions.
The semi-cured epoxy resin powder generally exists in a crystal form, and the effectiveness of the epoxy resin powder is effectively ensured under the storage condition that the temperature is 0-25 ℃ and the humidity is less than 55% RH.
The temperature of a press during pressing operation is 170-180 ℃, the pressing time is 3-4 hours, after the high-temperature treatment of the press, the epoxy resin in the prepreg and the epoxy resin powder in the aluminum plate hole are heated, the state is firstly converted into liquid from semi-solid state, the liquid and the liquid are mutually fused, and the stable solid epoxy resin is converted after cooling, so that the production links are reduced, the processing cost is reduced, the environmental requirements of energy conservation and emission reduction are met, and meanwhile, the qualification rate of products is effectively improved.
The processing equipment of the aluminum substrate direct-pressing process with the double-sided metalized holes is applied to the aluminum substrate direct-pressing process with the double-sided metalized holes and comprises a workbench 1, wherein a press fit cavity 2 is formed in the upper end of the workbench 1, a hydraulic cylinder 3 is arranged at the upper end of the press fit cavity 2, a pressing plate 8 is arranged at the lower end of the hydraulic cylinder 3 close to the inside of the press fit cavity 2, and a plurality of groups of movable rollers 6 are arranged on the surface of the workbench 1.
The pressing cavity 2 is fixedly connected with the workbench 1, the hydraulic cylinder 3 is fixedly connected with the pressing cavity 2, the hydraulic cylinder 3 extends to the inner side of the pressing cavity 2, the pressing plate 8 is fixedly connected with the hydraulic cylinder 3, the heaters 9 are arranged on the surface of the inner side of the pressing cavity 2, and the heaters 9 are two groups and fixedly connected with the pressing cavity 2.
The both ends of activity roller 6 are provided with pivot 7, and be fixed connection between pivot 7 and the activity roller 6, and pivot 7 embedding workstation 1's inboard, and be connected for rotating between the workstation 1.
The front end in pressfitting chamber 2 is provided with dodge gate 4, and the junction in dodge gate 4 and pressfitting chamber 2 is provided with the hinge, and passes through hinge swing joint between dodge gate 4 and the pressfitting chamber 2, and the lower extreme of workstation 1 is close to corner fixed mounting has supporting legs 5, and the quantity of supporting legs 5 is four groups, and is the array distribution.
According to the utility model provides a production technology, the user cuts the material through numerical control processing equipment or punch press at first to wait to process aluminum plate, make hole or groove that needs the metallization on aluminum plate, need to carry out the deashing to its pore wall after cutting the material, inslot and base plate surface, guarantee aluminum plate's cleanness, cause the phenomenon that downthehole resin and insulating layer heated separation after the pressfitting, thereby cause the copper foil separation, risk such as open circuit, then prepare epoxy powder, the solidified sheet, the copper foil, the heat conduction glued membrane, pressfitting steel sheet mould, place the lower mould of pressfitting steel sheet mould at the operation panel, then lay down bottom copper foil on the lower mould surface, lay down the heat conduction glued membrane that is used for insulating and heat dissipation again on the surface after the copper foil laying down, continue to place on the heat conduction glued membrane surface through drilling, the aluminium base board after CNC or the punching press reaming, then quantitative epoxy powder is poured into to the reuse graduated flask, the production process adopts the epoxy resin powder to fill the aperture on the aluminum plate, and the epoxy resin powder in the prepreg and the hole of the aluminum plate is heated, the state is firstly converted from semi-solid state to liquid state and mutually fused, and is converted into stable solid epoxy resin after cooling, thereby improving the production efficiency and reducing the production links, the processing cost is reduced, the environmental requirements of energy conservation and emission reduction are met, and the qualification rate of products is effectively improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Aluminium base board vertical compression processing equipment in two-sided metallization hole, its characterized in that: the automatic pressing device is characterized by comprising a workbench (1), wherein a pressing cavity (2) is formed in the upper end of the workbench (1), a hydraulic cylinder (3) is arranged at the upper end of the pressing cavity (2), a pressing plate (8) is arranged in the portion, close to the pressing cavity (2), of the lower end of the hydraulic cylinder (3), and a plurality of groups of movable rollers (6) are arranged on the surface of the workbench (1).
2. The aluminum substrate direct-pressing processing equipment with double-sided metalized holes as recited in claim 1, wherein: be fixed connection between pressfitting chamber (2) and workstation (1), be fixed connection between pneumatic cylinder (3) and the pressfitting chamber (2), and pneumatic cylinder (3) extend to the inboard in pressfitting chamber (2), be fixed connection between clamp plate (8) and pneumatic cylinder (3), the inboard surface in pressfitting chamber (2) is provided with heater (9), the quantity of heater (9) is two sets of, and be fixed connection with pressfitting chamber (2).
3. The aluminum substrate direct-pressing processing equipment with double-sided metalized holes as recited in claim 2, wherein: the both ends of activity roller (6) are provided with pivot (7), and are fixed connection between pivot (7) and activity roller (6), pivot (7) embedding workstation (1) inboard, and with workstation (1) between be connected for rotating.
4. The aluminum substrate direct-pressing processing equipment with double-sided metalized holes as recited in claim 3, wherein: the utility model discloses a press fitting device, including workstation (1), pressfitting chamber (2), the front end in pressfitting chamber (2) is provided with dodge gate (4), dodge gate (4) is provided with the hinge with the junction in pressfitting chamber (2), and passes through hinge swing joint between dodge gate (4) and the pressfitting chamber (2), the lower extreme of workstation (1) is close to corner fixed mounting and has supporting legs (5), the quantity of supporting legs (5) is four groups, and is the array distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022756629.2U CN214206012U (en) | 2020-11-25 | 2020-11-25 | Aluminum substrate direct-pressing processing equipment with double-sided metalized holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022756629.2U CN214206012U (en) | 2020-11-25 | 2020-11-25 | Aluminum substrate direct-pressing processing equipment with double-sided metalized holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214206012U true CN214206012U (en) | 2021-09-14 |
Family
ID=77647669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022756629.2U Active CN214206012U (en) | 2020-11-25 | 2020-11-25 | Aluminum substrate direct-pressing processing equipment with double-sided metalized holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214206012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112654177A (en) * | 2020-11-25 | 2021-04-13 | 浙江德加电子科技有限公司 | Direct-pressing process and processing equipment for aluminum substrate with double-sided metalized holes |
-
2020
- 2020-11-25 CN CN202022756629.2U patent/CN214206012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112654177A (en) * | 2020-11-25 | 2021-04-13 | 浙江德加电子科技有限公司 | Direct-pressing process and processing equipment for aluminum substrate with double-sided metalized holes |
| CN112654177B (en) * | 2020-11-25 | 2024-08-06 | 浙江德加电子科技有限公司 | Direct-pressing process and processing equipment for double-sided metallized Kong Lvji plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105430939A (en) | Printed circuit board buried hole resin plugging method | |
| CN102395249B (en) | Manufacturing method of four-layer copper-based metal plate | |
| CN214206012U (en) | Aluminum substrate direct-pressing processing equipment with double-sided metalized holes | |
| CN101909407B (en) | Method for etching V-CUT on iron substrate | |
| CN102595799A (en) | Manufacturing method of high-density interconnected printed circuit board | |
| CN204377244U (en) | A kind of release film pressing filler circuit board | |
| CN206422986U (en) | A kind of automatic laminater of printed circuit board (PCB) | |
| CN104394653B (en) | A kind of preparation method of Multi-layer Al-based sandwich printed board | |
| CN103231558A (en) | Production process of moisture-resistant high-temperature-resistant mica plate | |
| CN104507261B (en) | A kind of preparation method of the microwave printed board containing step groove | |
| CN103619126A (en) | Method for manufacturing outer layer circuit of metal-based thick copper plate | |
| CN107580429A (en) | A kind of manufacture craft of super thick copper coin | |
| CN202503804U (en) | Single-side double-layer circuit board | |
| CN110167287A (en) | The production method of new energy OBC blind hole plate | |
| CN112654177B (en) | Direct-pressing process and processing equipment for double-sided metallized Kong Lvji plate | |
| CN103987211B (en) | A kind of high-efficiency heat-radiating aluminum plate based on increase aluminium base face and preparation method thereof | |
| CN105916291B (en) | A kind of production method of high-density interconnected printed circuit board | |
| CN107613652A (en) | The manufacture method of high-density interconnected printed circuit board | |
| CN105307399B (en) | A kind of processing method of small size, thin pure ceramic circuit-board | |
| CN201860518U (en) | Jack device of circuit board | |
| CN115151025A (en) | High-heat-dissipation copper pillar composite metal base PCB and preparation process thereof | |
| CN105216400A (en) | High-thermal conductive metal base plate resin filler method, vacuum pressing-combining structure and metal substrate | |
| CN201136329Y (en) | Semi-automatic grease-coating film-facing machine | |
| CN201657487U (en) | Circuit board radiating structure | |
| CN105704930B (en) | The manufacturing method of buried resistance board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |