CN100547090C - The pretreatment unit of composite material metal base material and pretreatment process - Google Patents
The pretreatment unit of composite material metal base material and pretreatment process Download PDFInfo
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- CN100547090C CN100547090C CNB2007100466393A CN200710046639A CN100547090C CN 100547090 C CN100547090 C CN 100547090C CN B2007100466393 A CNB2007100466393 A CN B2007100466393A CN 200710046639 A CN200710046639 A CN 200710046639A CN 100547090 C CN100547090 C CN 100547090C
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- 239000010959 steel Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
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- 239000011229 interlayer Substances 0.000 claims description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
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- 238000002203 pretreatment Methods 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract 3
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Abstract
The present invention relates to a kind of pretreatment unit and pretreatment process of composite material metal base material, pretreatment unit comprises planer-type frame molectron, add heated godet roll, conductor, accumulator, air-supply arrangement, thermal-arrest bellows and heated air circulation device, planer-type frame molectron comprises frame, be fixed with casing on the frame, the casing upper surface is provided with upper frame, adding heated godet roll is fixed on the frame molectron by cooling bearing, a side that adds heated godet roll is provided with ring header, opposite side is provided with conductor, one side of casing is provided with air-supply arrangement, opposite side is provided with the thermal-arrest bellows, on air-supply arrangement and the thermal-arrest bellows accumulator is arranged respectively, accumulator with add heated godet roll and be communicated with by conductor, the method for the metal pretreated base material of matrix material makes composite material metal base material add heated godet roll and casing with certain linear velocity by each specified temp.Utilize pretreatment unit of the present invention and pretreatment process to make that metal base is heated evenly, thermal distortion is little, mechanical property is not destroyed after the pre-treatment.
Description
Technical Field
The invention relates to composite material processing, in particular to a pretreatment device and a pretreatment method for a composite material metal base material.
Background
Composite materials are finding increasing use in modern society's life and production because of the incomparable advantages of other materials. The composite material takes the metal base material as the base band, and plastics and other materials are compounded on one side or two sides of the base band, so that the problem that technicians are in the focus of solving how to accelerate the production of high-quality composite materials in the face of increasing quantity and quality requirements of the composite materials is faced.
In the current technical solutions for composite production, there are a large number of composite production plants, since the production processes of composite materials are substantially stable and the general structure of the production lines is also substantially the same. Many composite manufacturing lines produce composites that tend to suffer from the following disadvantages resulting in poor quality. The composite material has the advantages of poor bonding strength among various base materials, unstable peeling strength, poor thermal stability, high energy consumption, low speed, narrow product width and low yield. The joint is usually required to be shut down for operation when the coil is replaced, the loss in production is large, the pretreatment temperature is uneven, the temperature of the bearing is too high, the lubrication is poor, the service life is shortened, the operation of workers is inconvenient, the product quality is difficult to guarantee, and the like.
The pretreatment process is an important process in the production of the composite material, the front end of the pretreatment process is an unreeling process for unreeling and leveling a metal coiled material, and the back of the pretreatment process is a composite process of the composite material. The quality of the composite material is directly influenced by the completion condition of the base material pretreatment process, and the prior production process also has the problems of poor bonding strength, poor consistency of bonding strength, high energy consumption and the like of the produced composite material due to the fact that the pretreatment process does not meet the requirements.
The pretreatment process in the existing production process of composite materials mainly relates to the structure of pretreatment equipment, generally, the substrate pretreatment equipment adopts an electric heating tube and a plate heating to treat substrate oil stain and pollution, the heating source is uneven in temperature and large in consumed power, the internal tissue stress of the substrate is uneven due to temperature difference change of the substrate, the substrate can generate explosion ribs or rising beams when passing through the heat source, the mechanical property of the substrate can be damaged due to large deformation, the product quality is influenced, and much trouble is brought to the subsequent process. In addition, the heating mode in the existing equipment is mainly to heat the base material in a mode of air conduction and radiation, so that the electric heating energy source cannot be fully utilized, the unit energy consumption for producing products is large, and the efficiency is low.
Disclosure of Invention
The invention aims to overcome the problems of the pretreatment process in the prior art and provides a pretreatment device for a composite material metal substrate and a method for pretreating the composite material metal substrate by using the device. The pretreatment device and the pretreatment method for the composite material metal base material can ensure that the metal base material can utilize energy to the maximum extent in the pretreatment process, so that the pretreatment process in the composite material production process is more reasonable, the metal base material is uniformly heated, the mechanical property is stable, the operation of pretreatment equipment is stable and rapid, the energy consumption of unit products is reduced, the production efficiency is improved, and the energy is saved.
The technical scheme provided by the invention is as follows:
the utility model provides a combined material metal substrate's preprocessing device which characterized in that, its structure includes planer-type frame assembly, heating deflector roll, director, accumulator, air supply arrangement, thermal-arrest bellows and heated air circulation device:
the gantry type frame assembly comprises a frame fixed on a machine base, the frame is a frame consisting of two groups of parallel long-strip-shaped wallboards and a plurality of horizontal frame supporting bars, a square-tube-shaped box body is fixed at the upper end of the frame, the two ends of the box body are through and hollow, the inner wall of the box body is provided with an upper bracket and a lower bracket with adjustable distances, the brackets are respectively provided with an upper heating device and a lower heating device, the box body is also internally provided with an automatic temperature control device, the left side and the right side of the box body are provided with openable automatic doors, the upper surface of the box body is provided with a top frame, the top frame is provided with a hot air circulating device, and circulating pipes of the hot air circulating device;
the heating guide rollers are six and are fixed on the rack assembly through six pairs of cooling bearing seats, a cooling water pipe conveys cooling circulating water to the cooling bearing seats to reduce the temperature of the cooling bearing seats, one side of each heating guide roller is provided with a collecting ring, the other side of each heating guide roller is provided with a guider, a second heating guide roller is arranged at an inlet of the box body, a third heating guide roller is arranged at an outlet of the box body, a first heating guide roller is fixed on a vertical rack at the lower part of the second heating guide roller, and a fourth heating guide roller, a fifth heating guide roller and a sixth heating guide roller are sequentially fixed on the vertical rack at the lower part of the third heating guide roller;
the second heating deflector roll outside be equipped with to the entry of box blows air supply arrangement of cold wind, third heating deflector roll outside to the export of box blows out hot-blast thermal-arrest bellows, the roof-rack both sides of box respectively have an accumulator support, respectively are fixed with an accumulator that contains exhaust apparatus on two accumulator supports, two accumulators communicate in each heating deflector roll through the director respectively through heat-conducting medium pipeline.
The heating guide roller is electrified to heat the heat-conducting liquid medium filled in the heating guide roller by a heating pipe in the heating guide roller, and a temperature sensor is arranged in the heating guide roller and connected with an external temperature control device to control the temperature of the heating guide roller to be at a set temperature.
The top heights of the second heating guide roller and the third heating guide roller are equal to the height of the middle line of the box body.
The outer wall of the box body is of a double-layer structure, an interlayer is arranged in the middle of the box body, and heat insulation materials are installed in the interlayer.
The upper heating device and the lower heating device both comprise far infrared radiation heaters, and the back of each heater is sequentially provided with a reflecting plate, a heat preservation layer and a temperature sensor.
A method for pretreating a composite metal substrate using said composite metal substrate pretreatment apparatus, comprising the steps of:
firstly, the metal base material of the composite material conveyed in the unreeling procedure bypasses a first heating guide roller, a second heating guide roller, a box body, a third heating guide roller, a fourth heating guide roller, a fifth heating guide roller and a sixth heating guide roller respectively, and then the metal base material of the composite material is conveyed to the composite procedure;
starting a pretreatment device of the composite material metal base material, heating an upper heating device and a lower heating device in the box body according to the metal characteristic of the metal base material, electrifying each heating guide roller by a current collecting ring communicated with a power supply, setting the temperature range of the heating guide rollers, sequentially increasing the surface temperature of six heating guide rollers from a first heating guide roller to a sixth heating guide roller, controlling an air supply device to blow cold air into the box body or controlling a heat collecting air box to blow hot air into the box body, and performing air circulation from the front part and the rear part of the box body through a hot air circulation device to achieve temperature balance in the box body;
thirdly, the composite material metal base material input to the pretreatment device at a set linear speed firstly passes through a first heating guide roller and then bypasses a second heating guide roller to enter a box body;
fourthly, the temperature in the box body is controlled to be within a set range through the upper heating device, the lower heating device and the automatic temperature control device, the composite material metal base material is heated and output in the box body, and the output composite material metal base material bypasses a third heating guide roller, is heated by the third heating guide roller and is transported;
fifthly, the composite material metal base material which bypasses the third heating guide roller is heated by a fourth heating guide roller, a fifth heating guide roller and a sixth heating guide roller in sequence, and the heated composite material metal base material is input to the next composite process for compounding.
The metal substrate and the corresponding processing parameters are as follows:
substrate Linear velocity (m/min) temperature (. degree. C.) in the housing heats the guide roller surface temperature (. degree. C.)
Steel base belt 30-50150-55070-320
Copper base band 30-45100-45080-320
35-50100-40070-310 aluminum base band
Stainless steel bands 25-35120-350100-350
The heating temperature settings of the upper and lower heating devices and the heating guide rollers in the box body are determined by the material thermal performance of the selected metal base material, the linear speed of the metal base material and the plastic grade selected in the compounding procedure, namely the specific heat capacity c, the thermal conductivity lambda and the linear expansion coefficient of the metal materialaL, and is related to the heating time, distance and melting point of the plastic; the grade of the selected metal base material is different from that of the plastic selected in the compounding process, so that different processing temperatures are set, and the metal base material does not generate wrinkles, rib explosion or beam lifting when passing through the pretreatment device and has uniform stress.
The optimal temperature of the belt surface is not lower than the melting point temperature of the plastic when the metal base material is conveyed to the compounding process after pretreatment, so that the adhesion between the compounding materials in the compounding process is facilitated, the adhesive force is increased, and the peel strength is improved.
The invention has the technical advantages that:
the pretreatment device of the invention adopts the unidirectional far infrared thermal radiation heater with high thermal efficiency and uniform heat dissipation to replace the prior electric heating tube or electric heating plate to heat the metal substrate, so that the metal substrate of the composite material is directly contacted with the heating guide roller, the defects of nonuniform heating, high power and low efficiency in the prior art are overcome, the metal substrate is uniformly heated and has small thermal deformation, and the mechanical property of the metal substrate is ensured not to be damaged. The energy storage device is arranged above the heating guide roller, so that the problem of thermal expansion of a heat-conducting liquid medium in the heating guide roller is solved, the pressure in the heating guide roller is normal pressure, the heating medium is always kept full of the inner cavity of the roller body, the thermal stability of the heating guide roller is high, and the bearing pedestal adopts cooling circulating water to reduce the temperature, so that the lubricating property and the service durability of the bearing pedestal are ensured. In the pretreatment process, the heating process of the composite material metal base material is reasonable and uniform in heating by controlling the temperature parameters of each heating guide roller and the temperature parameter in the box body, and the influence on the mechanical property caused by nonuniform heating is reduced.
Drawings
FIG. 1 is a flow chart of a process for producing a composite metal substrate according to the present invention.
FIG. 2 is a front view of the pretreatment apparatus for a composite metal substrate in the present invention.
FIG. 3 is a schematic view of the arrangement of the heating rollers on the frame in the apparatus for pretreating a composite metal substrate according to the present invention.
Wherein,
1-upper heating device 2-automatic temperature control device 3-guider
4-energy accumulator 51-first heating guide roller 52-second heating guide roller
53-third heating guide roller 54-fourth heating guide roller 55-fifth heating guide roller
56-sixth heating guide roller 6-collecting ring 7-lower heating device
8-heat collecting air box 9-cooling bearing 10-air supply device 12-frame
13-box body 14-top frame 15-automatic door 16-frame supporting bar
17-hot air circulation device 18-automatic door switch 19-cooling water pipe
20-heat conducting medium conveying pipe
Detailed Description
The following will explain the pretreatment apparatus and pretreatment method of the composite metal substrate in further detail with reference to the drawings and the specific examples, but the scope of the invention should not be limited thereby.
Referring to fig. 1, fig. 1 is a flow chart of a composite metal substrate production process of the present invention. As can be seen from the figure, the preparation process of the composite material mainly comprises the following procedures, namely a base material unreeling procedure, a pretreatment procedure, a composite procedure, a post-treatment procedure, a natural cooling procedure, a forced cooling auxiliary traction procedure and a composite material finished product reeling procedure. In the whole preparation process of the composite material, the pretreatment process firstly carries out pretreatment on the metal base material in the input composite material, and preliminary heating provides preliminary conditions for the compounding of the metal base material and other materials in the composite material, so that the mechanical property of the metal base material in the composite process is close to a compounding state. The pretreatment device and the pretreatment method are a crucial process flow for directly influencing the quality of the whole composite material preparation by the treatment of the metal base material. Therefore, the design and manufacture of the pretreatment equipment in the pretreatment process are the prerequisite for the quality of the process, and the setting of each process parameter in the production also becomes the key point of the heating success or failure of the metal substrate.
The structure of the metal substrate pretreatment device involved in the composite material pretreatment process is shown in fig. 2 and 3, and fig. 2 is a front view of the composite material metal substrate pretreatment device of the present invention. FIG. 3 is a schematic view of the arrangement of the heating rollers on the frame in the apparatus for pretreating a composite metal substrate according to the present invention. As can be seen from the figure, the main structure of the pretreatment device for the composite material metal base material comprises a gantry type frame assembly, heating guide rollers 51-56, a guider 3, an energy storage device 4, an air supply device 10, a heat collection air box 8 and a hot air circulating device 17.
The gantry type frame assembly comprises a frame 12 fixed on a machine base, the frame 12 is a frame formed by two groups of parallel strip-shaped wall boards through a plurality of horizontal frame supporting bars 16, and a square-tube-shaped box body 13 is fixed at the upper end of the frame 12. The box body 13 has two through ends, is hollow, the inner wall of the box body 13 is provided with an upper and a lower supports with adjustable distance, the supports are respectively provided with an upper heating device 1 and a lower heating device 7, the upper heating device 1 and the lower heating device 7 are both heaters radiating far infrared rays, the back of the heaters is sequentially provided with a reflecting plate, a heat preservation layer and a temperature sensor, the heat of the heaters is reflected to a metal base material by the reflecting plate, the heat energy is fully utilized, the heat preservation layer reduces the heat emission, the temperature of the heating source is detected by the temperature sensor, residual oil stain on the metal base material is volatilized by the heat emission of the heaters, the box body 13 is also internally provided with an automatic temperature control device 2, the temperature of the upper and the lower heating devices is controlled by the temperature control device 2, the left and the right sides of the box body 13 are provided with openable automatic doors 15, the, the opening and closing of the box body 13 are controlled by an automatic door switch 18, a top frame 14 is arranged on the upper surface of the box body 13, a hot air circulating device 17 is arranged on the top frame 14, circulating pipes of the hot air circulating device 17 are respectively communicated with the front position and the rear position of the box body 13, and the hot air circulating device 17 enables high-temperature air in the box body 13 to circularly flow so as to balance the whole temperature in the box body 13.
The heating deflector roll be six, be fixed in through six pairs of cooling bearing frame 9 the frame assembly on, the thermal stability of heating deflector roll is good, and the temperature is even, easily control, heating device in the deflector roll soaks in heat-conducting medium all the time, and is not fragile, combined material's metal substrate is direct to contact with heating deflector roll surface, has reduced the calorific loss of air heat transfer, has improved the utilization ratio of the energy, reduction in production cost. The heating guide roller is installed on the cooling bearing seats 9, and each cooling bearing seat 9 conveys cooling circulating water through a cooling water pipe 19 so as to reduce the temperature, prolong the service life of the high-temperature heating guide roller, reduce the maintenance amount and reduce the fault generation probability.
One side of each heating guide roller all is equipped with collecting ring 6, and the opposite side all is equipped with director 3, the entrance of box 13 is equipped with second heating guide roller 52, and the exit of box 13 is equipped with third heating guide roller 53, is fixed with first heating guide roller 51 on the perpendicular frame 12 of second heating guide roller 52 lower part, is fixed with fourth heating guide roller 54, fifth heat roller 55 and sixth heating guide roller 56 on the perpendicular frame 12 of third heating guide roller 53 lower part in proper order, and the top height of second heating guide roller 52 and third heating guide roller 53 equals the height of box 13 central line.
An air supply device 10 for supplying cold air to an inlet of the box body 13 is arranged outside a second heating guide roller 52 on one side of a front opening and a rear opening of the box body 13, a heat collection air box 8 for blowing hot air to an outlet of the box body 13 is arranged outside a third heating guide roller 53 on the other side of the front opening and the rear opening of the box body 13, when the temperature in the box body 14 is higher than the required temperature, the air supply device 10 blows cold air into the box body 14 to reduce the temperature, when the temperature in the box body 14 is lower than the required temperature, the heat collection air box 8 blows hot air into the box body 14 to improve the temperature, and in the process of blowing cold air or hot air, the hot air circulating device 17 on the box body 14 transmits the cold air and the hot.
The method for pretreating the metal base material of the composite material by using the composite material metal base material pretreatment device comprises the following steps:
firstly, the metal base material of the composite material conveyed in the unreeling procedure respectively bypasses a first heating guide roller 51, a second heating guide roller 52, passes through the box body 13, bypasses a third heating guide roller 53, a fourth heating guide roller 54, a fifth heating guide roller 55 and a sixth heating guide roller 56, and then the metal base band of the composite material is conveyed to the following composite procedure at a certain linear speed;
starting a pretreatment device of the composite material metal base material, determining the temperature to be heated by an upper heating device 1 and a lower heating device 7 in a box body 13 according to the metal material characteristics of the metal base material and the type of an outer layer material to be compounded on the metal base material in a compounding process, electrifying each heating guide roller by a collecting ring 6 communicated with a power supply, heating a heat-conducting medium by a heating device which is soaked in the heat-conducting medium in an inner cavity of the electrified heating guide roller, and controlling the surface temperature of each heating guide roller to be at a set temperature by connecting a temperature sensor and an external temperature control device in the heating guide roller;
thirdly, the metal base material of the composite material input into the pretreatment device firstly passes through the first heating guide roller 51 and then enters the box body 13 by bypassing the second heating guide roller 52;
fourthly, the temperature in the box body 13 is controlled to be the required temperature through the upper heating device 1, the lower heating device 7 and the automatic temperature control device 2, the metal base material is heated in the box body 13 and then is output through an outlet, when the temperature in the box body 14 is higher than the required temperature, cold air is blown into the box body 14 by the air blowing device 10 to reduce the temperature, when the temperature in the box body 14 is lower than the required temperature, hot air is blown into the box body 14 by the heat collecting air box 8 to improve the temperature, in the process of blowing the cold air or the hot air, the cold air and the hot air are transmitted by the hot air circulating device 17 positioned on the box body through a circulating pipe of the hot air circulating device to achieve the rapid balance of the temperature in the box body 14, and the output metal base material bypasses the third heating guide roller 53 and is;
fifthly, the composite material metal base material which bypasses the third heating guide roller 53 is heated sequentially by the fourth heating guide roller 54, the fifth heating guide roller 55 and the sixth heating guide roller 56, and the heated composite material metal base material is input to the next composite process for compounding.
The heating temperature setting of the heating device and each heating guide roller in the box body is determined by the thermal property of the selected metal base material and the grade of the plastic selected in the compounding process, and the processing temperature is different due to the difference between the grade of the selected metal base material and the grade of the plastic selected in the compounding process. The metal base material does not generate wrinkles, rib explosion or beam lifting when passing through the metal base material, and the stress is uniform.
The temperature range of the heating guide rollers is set in the pretreatment process, and the surface temperatures of the six heating guide rollers from the first heating guide roller to the sixth heating guide roller are sequentially increased so as to adapt to the rule that the metal base materials are sequentially increased in temperature.
The optimal temperature of the belt surface is not lower than the melting point temperature of the plastic when the metal base material enters the compounding process through pretreatment, so that the adhesion between the composite materials in the compounding process is facilitated, the adhesive force is increased, and the peel strength is improved.
The temperature in the box body is the temperature of a heating source of the upper heating device and the lower heating device.
The specific application of the method of the invention is described in detail below in the context of the composition of a specific metal substrate and a defined outer layer material.
Example 1
The metal substrate in this example is a steel substrate belt, and the outer layer material corresponding to the compounding procedure is EAA plastic resin 30707, which has a melting point of 102 ℃.
Firstly, conveying steel base belts to pass through a first heating guide roller 51, a second heating guide roller 52, a box body 13, a third heating guide roller 53, a fourth heating guide roller 54, a fifth heating guide roller 55 and a sixth heating guide roller 56 respectively in an unreeling procedure, and then conveying the steel base belts made of the composite materials to the following composite procedures at a linear speed of 40 m/min;
secondly, starting a pretreatment device of the composite material metal base material, heating an upper heating device 1 and a lower heating device 7 in a box body 13 to 150-550 ℃, electrifying each heating guide roller by a collecting ring 6 communicated with a power supply, heating the electrified heating guide roller to 100-350 ℃ by a heating device immersed in oil in an inner cavity of the electrified heating guide roller, connecting a temperature sensor and an external temperature control device in the heating guide roller, controlling the surface temperature of each heating guide roller to be 70-320 ℃, and sequentially increasing the temperature of self-heating guide rollers 51-56;
thirdly, the steel base belt of the composite material input into the pretreatment device firstly passes through a first heating guide roller 51 and then enters the box body 13 by bypassing a second heating guide roller 52;
fourthly, the temperature in the box body 13 is controlled to be 150-550 ℃ through the upper heating device 1, the lower heating device 7 and the automatic temperature control device 2, the metal base material is heated in the box body 13 and then output from an outlet, and the output steel base strip bypasses a third heating guide roller 53, is heated by the third heating guide roller 53 and is transported downwards;
fifthly, the composite material metal base material which bypasses the third heating guide roller 53 is heated by a fourth heating guide roller 54, a fifth heating guide roller 55 and a sixth heating guide roller 56 in sequence, the pretreated steel base belt is input to a composite working procedure, and the surface temperature of the steel base belt before composite is 110 ℃.
Example 2
In this embodiment, the metal substrate is a copper base tape, and the outer layer material corresponding to the compounding procedure is EAA plastic resin 30707, which has a melting point of 102 ℃.
The operation flow of this example is the same as that of example 1, and the operation parameters are as follows: the linear velocity is 30-50 m/min, the temperature in the box body is 100-450 ℃, the oil temperature of the heating guide roller is 100-350 ℃, and the surface temperature of the heating guide roller is 80-320 ℃.
Example 3
In this embodiment, the metal substrate is an aluminum substrate, and the outer layer corresponding to the compounding procedure is an EAA plastic resin 30707, which has a melting point of 102 ℃.
The operation flow of this example is the same as that of example 1, and the operation parameters are as follows: the linear velocity is 30-50 m/min, the temperature in the box body is 100-400 ℃, the oil temperature of the heating guide roller is 100-320 ℃, and the surface temperature of the heating guide roller is 80-310 ℃.
Example 4
In this embodiment, the metal substrate is a steel substrate, and the outer layer material corresponding to the compounding procedure is PE _ LD _104BR plastic resin, which has a melting point of 110 ℃.
The operation flow of this example is the same as that of example 1, and the operation parameters are as follows: the linear velocity is 8m/min, the temperature in the box body is 120-250 ℃, the oil temperature of the heating guide roller is 100-280 ℃, the surface temperature of the heating guide roller is 80-250 ℃, and the surface temperature of the pretreated steel base band is 115 ℃.
Example 5
In this embodiment, the metal substrate is a copper base tape, and the outer layer material corresponding to the compounding procedure is plastic resin EAA30E714, which has a melting point of 91 ℃.
The operation flow of this example is the same as that of example 1, and the operation parameters are as follows: the linear velocity is 80m/min, the temperature in the box body is 110-500 ℃, the oil temperature of the heating guide roller is 100-380 ℃, the surface temperature of the heating guide roller is 80-350 ℃, and the surface temperature of the pretreated copper base band is 95 ℃.
Example 6
In this embodiment, the metal substrate is an aluminum base tape, and the outer layer material corresponding to the compounding procedure is plastic resin PP QF570, which has a melting point of 140 ℃.
The operation flow of this example is the same as that of example 1, and the operation parameters are as follows: the linear velocity is 50m/min, the temperature in the box body is 120-350 ℃, the oil temperature of the heating guide roller is 130-380 ℃, the surface temperature of the heating guide roller is 120-350 ℃, and the surface temperature of the pretreated aluminum base band is 142 ℃.
Example 7
The metal substrate in this example is a stainless steel band, and the outer layer material corresponding to the compounding procedure is plastic resin EMA0910, which has a melting point of 100 ℃.
The operation flow of this example is the same as that of example 1, and the operation parameters are as follows: the linear velocity is 25-35 m/min, the temperature in the box body is 120-350 ℃, the oil temperature of the heating guide roller is 130-380 ℃, the surface temperature of the heating guide roller is 100-350 ℃, and the surface temperature of the pretreated stainless steel band is 100 ℃.
After the base material of the composite material is pretreated, the base material is conveyed to a compounding procedure at a determined speed for compounding, and then the following procedures are carried out. The belt surface temperature of the pretreated base belt is not lower than the melting point of the plastic, so that the adhesion between composite materials in a compounding process is facilitated, the adhesion strength is increased, the mechanical property is in a degree of being easier to compound, and the base material achieves the effect which cannot be achieved in the conventional pretreatment process.
Claims (7)
1. The pretreatment device for the composite material metal base material is characterized by comprising a gantry type frame assembly, a heating guide roller, a guider (3), an energy accumulator (4), an air supply device (10), a heat collection air box (8) and a hot air circulating device (17):
the gantry type frame assembly comprises a frame (12) fixed on a machine base, the frame (12) is a frame formed by two groups of parallel strip-shaped wallboards through a plurality of horizontal frame supporting bars (16), a square-cylinder-shaped box body (13) is fixed at the upper end of the frame (12), the box body (13) has two through ends and is hollow, the inner wall of the box body (13) is provided with an upper bracket and a lower bracket with adjustable distance, the brackets are respectively provided with an upper heating device (1) and a lower heating device (7), the box body (13) is also internally provided with an automatic temperature control device (2), the left side and the right side of the box body (13) are provided with openable automatic doors (15), the upper surface of the box body (13) is provided with a top frame (14), the top frame (14) is provided with a hot air circulating device (17), the circulating pipes of the hot air circulating device (17) are respectively communicated with the front and the rear positions of the box body (13);
the heating guide rollers are six and are fixed on the rack assembly through six pairs of cooling bearing seats (9), cooling circulating water is conveyed to the cooling bearing seats (9) through cooling water pipes (19) to reduce the temperature of the cooling bearing seats, a collecting ring (6) is arranged on one side of each heating guide roller, a guider (3) is arranged on the other side of each heating guide roller, a second heating guide roller (52) is arranged at an inlet of the box body (13), a third heating guide roller (53) is arranged at an outlet of the box body (13), a first heating guide roller (51) is fixed on the vertical rack (12) at the lower part of the second heating guide roller (52), and a fourth heating guide roller (54), a fifth heating guide roller (55) and a sixth heating guide roller (56) are sequentially fixed on the vertical rack (12) at the lower part of the third heating guide roller (;
second heating deflector roll (52) outside be equipped with to air supply arrangement (10) of the entry of box (13) blows cold wind, third heating deflector roll (53) outside be equipped with to the export of box (13) blows out hot-blast thermal-arrest bellows (8), the roof-rack both sides of box (13) respectively have an energy storage ware support, respectively are fixed with an energy storage ware (4) that contain exhaust apparatus on two energy storage ware supports, two energy storage ware (4) communicate in each heating deflector roll through director (3) through heat-conducting medium pipeline (20) respectively.
2. The apparatus as claimed in claim 1, wherein the heat-conducting liquid medium filled in the heat-conducting roller is heated by a heating pipe inside the heat-conducting roller after the heat-conducting roller is powered on, and a temperature sensor is disposed inside the heat-conducting roller and connected to an external temperature control device for controlling the temperature of the heat-conducting roller to be at a predetermined temperature.
3. The apparatus for pretreating composite metal substrates according to claim 1, wherein the second and third heat-guiding rolls (52, 53) have top heights equal to the height of the center line of the box (13).
4. The pretreatment device for the composite metal substrate according to claim 1, wherein the outer wall of the box body (13) has a double-layer structure, an interlayer is arranged in the middle of the box body, and a heat-insulating material is arranged in the interlayer.
5. The pretreatment device for the composite metal substrate according to claim 1, wherein the upper heating device (1) and the lower heating device (7) each comprise a heater for far infrared radiation, and a reflecting plate, a temperature sensor and an insulating layer are sequentially arranged on the back of the heater.
6. A method for pretreating a composite metal substrate using the pretreatment device for a composite metal substrate according to claim 1, comprising the steps of:
firstly, the metal base material of the composite material conveyed in the unreeling procedure respectively bypasses a first heating guide roller (51), a second heating guide roller (52), passes through a box body (13), bypasses a third heating guide roller (53), a fourth heating guide roller (54), a fifth heating guide roller (55) and a sixth heating guide roller (56), and then is conveyed to the composite procedure;
secondly, starting a pretreatment device of the composite material metal base material, heating an upper heating device (1) and a lower heating device (7) in a box body (13) according to the metal characteristic of the metal base material, electrifying heating guide rollers by a collecting ring (6) communicated with a power supply, sequentially increasing the surface temperature of the six heating guide rollers and keeping the surface temperature within a set temperature range, controlling an air supply device (10) to blow cold air into the box body (13) or a heat collection air box (8) to blow hot air into the box body (13), and performing air circulation from the front part and the rear part of the box body (13) through a hot air circulation device (17) to achieve the temperature balance in the box body (13);
thirdly, the composite material metal base material input to the pretreatment device at a set linear speed firstly passes through a first heating guide roller (51) and then enters a box body (13) by bypassing a second heating guide roller (52);
controlling the temperature in the box body (13) to be within a set range through the upper heating device (1), the lower heating device (7) and the automatic temperature control device (2), outputting the composite material metal base material after being heated in the box body (13), and heating and transporting the output composite material metal base material by the third heating guide roller (53) after bypassing the third heating guide roller (53);
fifthly, the composite material metal base material which bypasses the third heating guide roller (53) is heated sequentially through a fourth heating guide roller (54), a fifth heating guide roller (55) and a sixth heating guide roller (56), and the heated composite material metal base material is input to the next compounding procedure for compounding.
7. The method of claim 6, wherein the metal substrate and the processing parameters are as follows:
the linear velocity of the substrate is m/min, the temperature in the box body is lower than the surface temperature of the heating guide roller
Steel base belt 30-50150-55070-320
Copper base band 30-45100-45080-320
35-50100-40070-310 aluminum base band
25-35120-350100-350 of stainless steel bands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100466393A CN100547090C (en) | 2007-09-29 | 2007-09-29 | The pretreatment unit of composite material metal base material and pretreatment process |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100466393A CN100547090C (en) | 2007-09-29 | 2007-09-29 | The pretreatment unit of composite material metal base material and pretreatment process |
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| CN101134997A CN101134997A (en) | 2008-03-05 |
| CN100547090C true CN100547090C (en) | 2009-10-07 |
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| MX2016016102A (en) | 2014-06-06 | 2017-07-11 | Nippon Steel & Sumikin Texeng Co Ltd | Far infrared heating furnace for steel plate for hot pressing. |
| CN106191382B (en) * | 2014-10-16 | 2018-07-06 | Posco公司 | Has the annealing device of a pair of linear stove and collector ring |
| CN105423757A (en) * | 2015-12-22 | 2016-03-23 | 上海网讯新材料科技股份有限公司 | Strip heating oven |
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