CN106272896A

CN106272896A - A kind of ceramic green tape casting machine

Info

Publication number: CN106272896A
Application number: CN201610873536.3A
Authority: CN
Inventors: 刘永良; 解华林; 毛福堂; 赵书华
Original assignee: Zhengzhou Dengdian Milky Way Technology Co Ltd
Current assignee: Zhengzhou Dengdian Milky Way Technology Co Ltd
Priority date: 2016-10-08
Filing date: 2016-10-08
Publication date: 2017-01-04

Abstract

A kind of ceramic green tape casting machine, belongs to electronic device field, including head, tail, film strips, outer housing, heater, extractor fan；Described head is arranged on one end of film strips；Described tail is arranged on the other end of film strips；Described film strips is circulus, around head and the associated components of tail, it is possible to do circulatory motion；Described outer housing shrouds the periphery at casting machine；Described heater includes ceramic heating flake, temperature control equipment；Described ceramic heating flake has many groups；Described temperature control equipment includes control chamber, power interface, temperature sensor, controller；Described control chamber is arranged on head or tail；Described power interface is arranged in control chamber；Described temperature sensor is arranged on ceramic heating flake；Described extractor fan includes air exhauster and air channel, has simple in construction, and energy consumption is low, good product quality, and production efficiency is high, the feature of easy demoulding.

Description

A kind of ceramic green tape casting machine

Technical field

The invention belongs to electronic device field, particularly to a kind of ceramic green tape casting machine.

Background technology

Ceramic green tape is the primary product making electronic package material, has that good insulating, dielectric coefficient be less, thermal expansion Coefficient is little, thermal conductivity high, is widely used in the precise electronic product encapsulation of Aeronautics and Astronautics engineering；Prepare pottery at present Porcelain green tape mainly uses casting molding processes, i.e. uses casting machine that the slurry prepared is prepared as ceramic green tape；Casting machine is A kind of slurry can be prepared as the plant equipment with the sheet film of homogeneous thickness and one fixed width, slurry is in casting machine It is coated in film strips by scraping with certain thickness, is then fed in heating system be dried, solidify, and separates with film strips, just become For ceramic green tape；The commonly used hot air heating system of heating system of existing casting machine, air-supply arrangement sends air into heating Device, air enters the drying tunnel heating system subsequently into casting machine, the slurry on heater film strip, slurry after being heated to form hot blast In the gas that volatilizes blow out drying tunnel with hot blast；Hot air heating system needs to install air-supply arrangement and heater, in addition it is also necessary to Installing air supply duct between air-supply arrangement and heater, between heater and drying tunnel, structure is complicated；Air-supply arrangement and heating Device needs to provide hot blast for drying tunnel continuously, and energy consumption is big；The temperature of hot blast by air themperature, air supply velocity, add thermal effect The impact of the factor such as rate and fluctuate, easily cause ceramic green tape to bubble, be full of cracks, half-cooked, be also unfavorable for ceramic green tape and film strips point From, poor product quality；Hot blast heat exchange in drying tunnel is insufficient, also has higher temperature when blowing out drying tunnel, is making further While becoming energy consumption big, also rate of drying is exerted a certain influence, to such an extent as to the transfer rate of film strips can not be too fast, causes Yield poorly, simultaneously because constant during temperature when hot air heating system enters casting machine, it is impossible to enough operatings along with film strips and Change heating-up temperature, causes film strips front-end temperature higher than needing temperature, and film strips back segment temperature, less than needing temperature, is unfavorable for pottery The demoulding of green tape.

Summary of the invention

The problems referred to above existed for existing ceramic green tape casting machine, the present invention proposes a kind of ceramic green tape casting machine, Including head, tail, film strips, outer housing；Described head is arranged on one end of film strips, for providing the ceramic size of fluid in film strips With film strips motion-promotion force；Described tail is arranged on the other end of film strips, is provided with film strips support and actuating device and ceramic green The blanking of band；Described film strips is circulus, around head and the associated components of tail, it is possible to do circulatory motion；Described Outer housing shrouds the periphery at casting machine；It is characterized in that: also include heater, extractor fan；Described heater includes Ceramic heating flake, temperature control equipment；Described ceramic heating flake has many groups, arranges along the film strips direction of motion and is positioned under film strips Portion is arranged in parallel with film strips, is connected with the power interface of temperature control equipment；Described temperature control equipment includes control chamber, electricity Source interface, temperature sensor, controller；Described control chamber is arranged on head or tail；Described power interface is installed In control chamber, its output voltage matches with ceramic heating flake；Described temperature sensor is arranged on ceramic heating flake, with Controller connects；Described controller is arranged in control chamber, it is possible to set the heating-up temperature interval often organizing ceramic heating flake, and The temperature information gathered according to temperature sensor controls the break-make of power supply；Described extractor fan includes air exhauster and air channel, institute The air channel stated is arranged on the position near tail, the outer housing top, and described air exhauster is arranged in air channel, is connected with controller.

Described heater temperature arranges that interval is to be equally divided into along film strips length direction by all of ceramic heating flake Six segmentations, are set as T1, T2, T3, T4, T5 according to the order from head to tail successively by the heating-up temperature of six segmentations, T6, and T1 < T2 < T3 < T4 < T5 < T6；Described T1 is 25 DEG C～30 DEG C；Described T2 is 30 DEG C～40 DEG C；Described T3 is 35 DEG C～50 DEG C；Described T4 is 40 DEG C～60 DEG C；Described T5 is 45 DEG C～70 DEG C；Described T6 is 50 DEG C～80 DEG C.

Beneficial effect

The beneficial effects of the present invention is, simple in construction, energy consumption is low, good product quality, and production efficiency is high, easy demoulding.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention

1. head, 2. tail, 3. film strips, 4. outer housing, 5. extractor fan, 6. ceramic heating flake, 7. temperature control equipment.

Fig. 2 is the structural representation of temperature control equipment

6. ceramic heating flake, 71. control chambers, 72. power interfaces, 73. temperature sensors, 74. controllers.

Detailed description of the invention

In order to further illustrate technical scheme, the detailed description of the invention of the present invention is described in conjunction with accompanying drawing；As Fig. 1, the head of casting machine of a length of 15 meters that in this example, the selection industry is general, tail, film strips, outer housing are respectively as head 1, tail 2, film strips 3, outer housing 4, and install according to the mounting means that the industry is general；Select commercially available running voltage for handing over Flowing the ceramic heating flake of 220 volts as ceramic heating flake 6, its quantity is six groups, arranges along film strips 3 length direction and is arranged on film Bottom with 3 is covered with the surface area of film strips 3；Such as Fig. 2, thickness is selected to be the 304 corrosion resistant plate cutting bendings of 1 millimeter and be welded into control Case 71 processed, arranges 4 a diameter of through holes of 6 millimeters on control chamber 71 backboard, arranges and described lead to the hole site phase on head 1 The blind hole of coupling, the degree of depth of blind hole is 20 millimeters, and a diameter of 6 millimeters of inner surfacies have national standard regular screw threads M6, selects diameter 6 Millimeter outer surface has the screw of national standard common external screw thread M6, screws on head 1 through the through hole on control chamber 71 backboard In blind hole, control chamber 71 is fixed on head 1；Select commercially available air switch as power interface 72, by power interface 72 It is arranged in control chamber 71；Select commercially available platinum thermal resistance sensor as temperature sensor 73, temperature sensor 73 is installed On ceramic heating flake 6, being connected to temperature sensor 73 on controller 74；The PLC with auxiliary reclay is selected to control Controller 74, as controller 74, is arranged in control chamber 71 by device, this completes the enforcement of the present invention.

During application, according to the industry general mode of production slurry scraped with certain thickness and be coated in film strips 3, film strips 3 move to tail 2 direction from head 1；Slurry moves along with film strips 3, and heater is according to following setting, six groups of ceramic heating flakes 6 are equally divided into six segmentations along film strips 3 length direction, and the most often group heating plate 6 is a segmentation；From head 1 to the order of tail 2 The heating-up temperature of six groups of ceramic heating flakes 6 is set as 25 DEG C successively, 30 DEG C, 35 DEG C, 40 DEG C, 45 DEG C, 50 DEG C；Temperature sensor 73 temperature informations gathering ceramic heating flake 6 are also transferred to controller 74, and controller 74 controls ceramic heat according to temperature information The break-make of the power supply of sheet 6；By the ceramic heating flake 6 of setting in the temperature information gathered from temperature sensor 73 and controller 74 Heating-up temperature is compared, and when temperature is less than design temperature, controller 74 sends instruction, starts to power to ceramic heating flake 6, When temperature information is higher than design temperature, controller 74 sends instruction, ceramic heating flake 6 power-off；This makes it possible to ensure film strips 3 On ceramic size there is the heating-up temperature of temperature and the heat gradient of segmentation, be preferably beneficial to the solidification of ceramic size and dry Dry, it is to avoid the generation of the defects such as foaming；The gas volatilized during ceramic size is heated, is got rid of by extractor fan 5 Outer housing 4；Slurry through being dried separates with film strips 3, is sent casting machine from tail 2, just becomes ceramic green tape；Due to heating Device need not air-supply arrangement, air heating apparatus, air supply duct, so simple in construction；This heater avoids hot blast and blows Go out the heat-energy losses caused, moreover it is possible to heat by phased manner according to the temperature information of ceramic heating flake 6, can save energy more than 50%, Energy consumption is low；Ceramic heating flake 6 is heated by electric energy, adds the controller 74 adjustment to its heating-up temperature, makes subsection heating device Temperature fluctuation the least, it is not easy to cause ceramic green tape to bubble, be full of cracks, half-cooked, also help ceramic green tape and film strips 3 point From, good product quality；Subsection heating device power is big, and heat-energy losses is few, it is possible to increase the rate of drying of ceramic size, thus can To improve the transfer rate of film strips 3, improve the production efficiency of ceramic green tape.

Claims

1. a ceramic green tape casting machine, including head, tail, film strips, outer housing；Described head is arranged on one end of film strips, For providing ceramic size and the film strips motion-promotion force of fluid in film strips；Described tail is arranged on the other end of film strips, is provided with Film strips supports and actuating device and the blanking of ceramic green tape；Described film strips is circulus, relevant around head and tail Parts, it is possible to do circulatory motion；Described outer housing shrouds the periphery at casting machine；It is characterized in that: also include heater, take out Wind apparatus；Described heater includes ceramic heating flake, temperature control equipment；Described ceramic heating flake has many groups, along film The band direction of motion arranges and is positioned at film strips bottom and is arranged in parallel with film strips, is connected with the power interface of temperature control equipment；Described Temperature control equipment include control chamber, power interface, temperature sensor, controller；Described control chamber be arranged on head or On person's tail；Described power interface is arranged in control chamber, and its output voltage matches with ceramic heating flake；Described temperature Sensor is arranged on ceramic heating flake, is connected with controller；Described controller is arranged in control chamber, it is possible to set often group The heating-up temperature of ceramic heating flake is interval, and the temperature information gathered according to temperature sensor controls the break-make of power supply；Described Extractor fan includes that air exhauster and air channel, described air channel are arranged on the position near tail, the outer housing top, described air exhauster It is arranged in air channel, is connected with controller；Described heater temperature arranges that interval is along film by all of ceramic heating flake Strip length direction is equally divided into six segmentations, the heating-up temperature of six segmentations is set successively according to the order from head to tail For T1, T2, T3, T4, T5, T6, and T1 < T2 < T3 < T4 < T5 < T6；Described T1 is 25 DEG C～30 DEG C；Described T2 is 30 DEG C ～40 DEG C；Described T3 is 35 DEG C～50 DEG C；Described T4 is 40 DEG C～60 DEG C；Described T5 is 45 DEG C～70 DEG C；Described T6 is 50 DEG C～80 DEG C.