CN218349932U

CN218349932U - Hot press unit of processing epoxy resin envelope material sample

Info

Publication number: CN218349932U
Application number: CN202222436640.XU
Authority: CN
Inventors: 吴先锋; 许正龙; 刘念杰; 徐文辉; 梁静
Original assignee: Xianyang Xinweihua Insulating Material Co ltd
Current assignee: Xianyang Xinweihua Insulating Material Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-20
Anticipated expiration: 2032-09-14

Abstract

The application relates to a hot press unit of processing epoxy seals material sample, it includes support body, heating element and top pushing component, heating element includes the heating member and hangs the piece, the heating member includes first hot plate, second hot plate and third hot plate, first hot plate and third hot plate are located respectively the top and the bottom of support body, the second hot plate is located between first hot plate and the three heating member to hang through hanging the piece and establish the support body top, second hot plate sliding connection in hang on the piece, top pushing component be used for with the third hot plate pushes up the top upwards. This application has the effect that improves work efficiency.

Description

Hot press unit of processing epoxy resin envelope material sample

Technical Field

The application relates to the technical field of hot pressing, in particular to a hot pressing device for processing epoxy resin packaging material samples.

Background

Epoxy resin encapsulating material is also called epoxy plastic encapsulating material, and is a thermosetting chemical material for semiconductor encapsulation, namely epoxy resin molding compound and epoxy plastic encapsulating material, which is a powdery molding compound prepared by mixing epoxy resin serving as matrix resin, high-performance phenolic resin serving as a curing agent, silicon micropowder and the like serving as fillers and a plurality of additives. The epoxy plastic packaging material has the advantages of protecting the chip from the external environment, resisting external solvents and impact, having a heat diffusion effect, being convenient to install and the like, and is one of main raw materials for subsequent packaging.

At present, in the hot pressing work to epoxy resin encapsulation material, usually place epoxy on the template, put the template and carry out hot pressing work through hot press unit on hot press unit, the template includes thick bottom plate, recess board and thin roof, at first places thick bottom plate on the hot press board, puts the recess board on thick bottom plate, puts epoxy on the recess board, covers thin roof again at the top. The thick bottom plate, the groove plate and the thin top plate are all made of metal materials, the template is heated and extruded through a hot pressing device, and the epoxy resin encapsulating material after hot pressing is obtained from the template. Hot press unit includes support body, hot pressboard, ejector pin and heating plate, the hot pressboard has two, the heating plate is located in the hot pressboard, one the hot pressboard is located the support body top, another the hot pressboard one side with the ejector pin is connected, the ejector pin is located the support body bottom, and with be located under the hot pressboard at support body top.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the hot-pressing device can only carry out hot-pressing work on one template in one working process, and the working efficiency is not high enough.

Disclosure of Invention

In order to improve work efficiency, the application provides a hot press unit of processing epoxy resin envelope material sample.

The application provides a hot press unit of processing epoxy encapsulates material sample adopts following technical scheme:

the utility model provides a hot press unit of processing epoxy seals material sample, includes support body, heating element and top pushing assembly, heating element includes the heating member and hangs the piece, the heating member includes first hot plate, second hot plate and third hot plate, first hot plate and third hot plate are located respectively the top and the bottom of support body, the second hot plate is located between first hot plate and the three heating member to hang through hanging the piece and establish the support body top, second hot plate sliding connection in on the hanging piece, top pushing assembly be used for with the upwards top pushing of third hot plate pushes away.

Through adopting above-mentioned technical scheme, all with placed the template between first hot plate and second hot plate and between second hot plate and the third hot plate, push up the back with the third hot plate upwards when pushing away the subassembly, finally can extrude two templates simultaneously between three heating member, compare in usually can only process a set of template, the device of this application can improve the efficiency of processing.

Optionally, the support body includes guide bar, push pedal, stripper plate and mount pad, the stripper plate with the four corners department of push pedal all is equipped with the mounting hole, the guide bar passes the mounting hole on stripper plate and the push pedal in proper order from the top down, the stripper plate with guide bar top end fixed connection, the stripper plate sliding connection be in on the guide bar, the mount pad is located the guide bar is kept away from stripper plate one end.

Through adopting above-mentioned technical scheme, the guide bar from the top down passes push plate and stripper plate in proper order, and the guide bar bottom is fixed on the mount pad, under the effect of guide bar for push plate can keep the stability of position when the top pushes away the top of subassembly and pushes away, makes epoxy dissolve the design again through the extrusion between push plate, heating member and the stripper plate, is favorable to improving the stability of heating pressurizer process.

Optionally, the pushing assembly includes a pushing member, a pressure gauge and a controller, the pushing member is disposed at the bottom of the extrusion plate, the pressure gauge is disposed on one side of the pushing member, the controller is disposed on one side of the frame body, and the pushing member, the pressure gauge and the controller are electrically connected.

By adopting the technical scheme, when the extrusion is needed, the controller is used for controlling the pushing piece to push, real-time pressure data are observed through the pressure gauge, the pushing piece is controlled to stop pushing after the pressure reaches a proper value, and after the hot pressing is finished, the pushing piece is controlled to move downwards to take out the template, so that the extrusion effect is best.

Optionally, the first hot plate is located the stripper plate bottom, the third hot plate is located the stripper plate top, second hot plate four corners department is equipped with the slide opening, the stripper plate corresponds the position and has also seted up the slide opening, it is the slide bar to hang the piece, the slide bar by last from the top down pass in proper order the slide opening on stripper plate and the second hot plate and with the second hot plate fixed with stripper plate sliding connection.

Through adopting above-mentioned technical scheme, the second hot plate can hang and establish static between first hot plate and third hot plate under the effect of hanging the piece, when the top pushes away the subassembly upwards, drives second hot plate rebound by the third hot plate, along with second hot plate rebound, hangs the piece and passes the slide opening and upwards slides for three heating member can be fully inseparable heats the extrusion to two templates, has improved work efficiency.

Optionally, the end of the sliding rod is provided with a thread, and the surface of the sliding rod except the end is smooth.

Through adopting above-mentioned technical scheme, the screw thread of slide bar tip is spacing through the nut to the second hot plate after passing the second hot plate, and the smooth part in centre can reduce frictional force in the middle of the slide opening gliding for the second hot plate shifts up more smoothly, thereby makes the extruded effect of heating better.

Optionally, first hot plate, second hot plate and third hot plate shape size are the same, just first hot plate, second hot plate and the vertical side by side setting of third hot plate.

Through adopting above-mentioned technical scheme, three heating member are the equal same heating member of size and dimension, need to carry out the hot pressing to its extrusion just can be best epoxy in the template between the heating member at the in-process of extrusion heating to the position relation of three heating member is by last under and projection coincidence, can effectual increase extrusion area, improves hot pressing effect.

Optionally, insulation plates are arranged between the first heating plate and the extrusion plate and between the third heating plate and the top pushing plate.

Through adopting above-mentioned technical scheme, the heating member heats through the circular telegram, and simultaneously, heating member and support body all are the metal material again, consequently press from both sides between heating member stripper plate and push pedal and establish the one deck insulation board and can make operating personnel not arrived by the electricity in operation process, have guaranteed personnel's personal safety after the operation.

Optionally, an anti-abrasion sleeve is arranged between the guide rod and the pushing plate, and the anti-abrasion sleeve is arranged at the mounting holes at the four corners of the pushing plate.

Through adopting above-mentioned technical scheme, the guide bar passes the mounting hole of the four corners department of push pedal, promotes the push pedal by the ejection piece, carries out the position guide through the guide bar and slides, because push pedal and guide bar are the metal material, the wearing and tearing of certain degree can appear in the slip in-process, be unfavorable for long-term the use, install behind the abrasionproof cover promptly when the push pedal slides on the guide bar wearing and tearing, the life of guide bar and push pedal has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by placing the templates among the first heating plate, the second heating plate and the third heating plate, after the pushing piece is pushed, the two groups of templates can be simultaneously subjected to hot pressing, so that the working efficiency can be improved in the same time;

2. the insulating plate is arranged between the first heating plate and the extrusion plate, the insulating plate is also arranged between the third heating plate and the ejection plate, the heating element is made of metal, the heating element is heated in an electric heating mode, and the frame body is also made of metal, so that the possibility that the heating element is damaged by electric leakage caused by accidents is reduced by the insulating plate;

3. the anti-abrasion sleeve is arranged at the mounting hole of the pushing plate, and can avoid direct contact between the guide rod and the pushing plate, so that the damage caused by collision between metals is reduced, and the service life of the guide rod is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a hot press apparatus for processing an epoxy resin encapsulant sample according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of an operating state of a hot press apparatus for processing an epoxy resin encapsulant sample according to an embodiment of the present application.

Reference numerals: 1. a frame body; 11. a guide bar; 12. pushing the plate; 121. an anti-wear sleeve; 13. a pressing plate; 14. a mounting base; 2. a heating assembly; 21. a heating member; 211. a first heating plate; 212. a second heating plate; 213. a third heating plate; 22. a slide bar; 3. a pushing assembly; 31. pushing the piece; 32. a pressure gauge; 33. a controller; 4. an insulating plate.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses hot press unit of processing epoxy resin envelope material sample. Referring to fig. 1 and 2, a hot press unit of processing epoxy encapsulates material sample includes support body 1, heating element 2 and top pushes away subassembly 3, support body 1 includes guide bar 11, stripper plate 13, ejector plate 12 and mount pad 14, guide bar 11 has four, all open the mounting hole in stripper plate 13 and ejector plate 12 four corners department, 11 one end welding of guide bar is in the four corners department of mount pad 14, there is wear-resisting cover 121 through screwed connection in the mounting hole of ejector plate 12 four corners department, 14 one end with ejector plate 12 sliding connection on guide bar 11 of mount pad is kept away from to guide bar 11, the 14 one end department of mount pad is the screw thread form is kept away from to guide bar 11, install stripper plate 13 on guide bar 11 through screw thread and nut.

Referring to fig. 1 and 2, the heating assembly 2 includes a heating member 21 and a hanger, the heating member 21 includes a first heating plate 211, a second heating plate 212 and a third heating plate 213, the hanger is a slide bar 22, the slide bar 22 has four, there are insulating plates 4 between the first heating plate 211 and the pressing plate 13 and between the third heating plate 213 and the top plate 12 through bolted connections, the insulating plates 4 are three-ply boards, the bolt sequentially passes through the first heating plate 211 and the three-ply board to be connected to the bottom surface of the pressing plate 13, and the bolt sequentially passes through the third heating plate 213 and the three-ply board to be connected to the top surface of the top plate 12. The end of the sliding rod 22 is a screw thread, the rest is smooth, the second heating plate 212 is located between the first heating plate 211 and the third heating plate 213, sliding holes are arranged at four corners of the second heating plate 212, the sliding rod 22 is in threaded connection with the sliding holes on the second heating plate 212, sliding holes are also arranged at corresponding positions on the compression plate 13, one end of the sliding rod 22, far away from the second heating plate 212, penetrates through the sliding holes on the compression plate 13, and the top of the compression plate 13 is connected with the sliding rod 22 through a nut, so that the sliding rod 22 is fixedly connected with the second heating plate 212, but can be connected with the sliding holes on the compression plate 13 in a sliding manner.

Referring to fig. 1 and 2, the pushing assembly 3 includes a pushing member 31, a pressure gauge 32 and a controller 33, the pushing member 31 is a hydraulic rod, the hydraulic rod is connected to the middle of the mounting seat 14 through a bolt, the other end of the hydraulic rod abuts against the pushing plate 12, the pressure gauge 32 and the controller 33 are respectively connected to the mounting seats 14 on two sides of the hydraulic rod through bolts, and the pressure change and the height of the controller 33 are both lower than the initial height of the hydraulic rod.

The implementation principle of the hot pressing device for processing the epoxy resin encapsulating material sample in the embodiment of the application is as follows: when epoxy resin needs to be hot-pressed, firstly, raw materials of epoxy resin are placed into a template, the template is placed between a first heating plate 211 and a second heating plate 212 and between the second heating plate 212 and a third heating plate 213, two groups of samples can be hot-pressed simultaneously, after the template is placed, the heating plates are heated, meanwhile, a hydraulic rod is controlled by a controller 33 to push a pushing plate 12, the third heating plate 213 pushes the second heating plate 212 upwards, a sliding rod 22 slides on a sliding hole of an extrusion plate 13 until the first heating plate 211, the second heating plate 212, the third heating plate 213 and the templates between the first heating plate 211, the second heating plate 212, the third heating plate 213 are abutted, pressure readings on a pressure gauge 32 are observed, after a proper pressure value is reached, the controller 33 controls the hydraulic rod to stop pushing, hot-pressing is started, after the hot-pressing time is up, the heating element 21 stops heating, the hydraulic rod is controlled by the controller 33 to move downwards, and after the template is cooled, the samples of epoxy resin package materials are obtained.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hot press unit of processing epoxy envelope material sample which characterized in that: including support body (1), heating element (2) and top pushing component (3), heating element (2) include heating member (21) and hang the piece, heating member (21) include first hot plate (211), second hot plate (212) and third hot plate (213), first hot plate (211) and third hot plate (213) are located respectively the top and the bottom of support body (1), second hot plate (212) are located between first hot plate (211) and the third heating member (21), and hang through hanging the piece and establish support body (1) top, second hot plate (212) sliding connection in hang on the piece, top pushing component (3) be used for with third hot plate (213) top pushing upwards.

2. The thermocompression apparatus for processing epoxy resin encapsulating material sample according to claim 1, wherein: support body (1) includes guide bar (11), top push pedal (12), stripper plate (13) and mount pad (14), stripper plate (13) with the four corners department of top push pedal (12) all is equipped with the mounting hole, guide bar (11) are passed the mounting hole on stripper plate (13) and top push pedal (12) by last under to in proper order, stripper plate (13) with guide bar (11) top fixed connection, stripper plate (13) sliding connection is in on guide bar (11), mount pad (14) are located stripper plate (13) one end is kept away from in guide bar (11).

3. The thermocompression apparatus for processing epoxy resin encapsulating material sample according to claim 2, wherein: the pushing assembly (3) comprises a pushing piece (31), a pressure gauge (32) and a controller (33), the pushing piece (31) is arranged at the bottom of the extrusion plate (13), the pressure gauge (32) is arranged on one side of the pushing piece (31), the controller (33) is arranged on one side of the frame body (1), and the pushing piece (31), the pressure gauge (32) and the controller (33) are electrically connected.

4. The thermocompression apparatus for processing epoxy resin encapsulating material sample according to claim 2, wherein: first hot plate (211) are located stripper plate (13) bottom, third hot plate (213) are located stripper plate (13) top, second hot plate (212) four corners department is equipped with the slide opening, the slide opening has also been seted up to stripper plate (13) corresponding position, it is slide bar (22) to hang the piece, slide bar (22) by last to pass in proper order the slide opening on stripper plate (13) and second hot plate (212) and with second hot plate (212) fixed with stripper plate (13) sliding connection.

5. The autoclave apparatus for processing epoxy resin encapsulant samples as claimed in claim 4, wherein: the end part of the sliding rod (22) is provided with threads, and the surface of the sliding rod (22) except the end part is smooth.

6. The thermocompression apparatus for processing epoxy resin encapsulating material sample according to claim 1, wherein: first hot plate (211), second hot plate (212) and third hot plate (213) shape size are the same, just first hot plate (211), second hot plate (212) and third hot plate (213) are vertical to be set up side by side.

7. The thermocompression apparatus for processing epoxy resin encapsulating material sample according to claim 1, wherein: insulating plates (4) are arranged between the first heating plate (211) and the extrusion plate (13) and between the third heating plate (213) and the pushing plate (12).

8. The autoclave apparatus for processing epoxy resin encapsulant samples as claimed in claim 2, wherein: an anti-abrasion sleeve (121) is arranged between the guide rod (11) and the pushing plate (12), and the anti-abrasion sleeve (121) is arranged at the mounting holes at the four corners of the pushing plate (12).