CN111392468B - Coating process of aluminum-plastic panel - Google Patents
Coating process of aluminum-plastic panel Download PDFInfo
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- CN111392468B CN111392468B CN202010206513.3A CN202010206513A CN111392468B CN 111392468 B CN111392468 B CN 111392468B CN 202010206513 A CN202010206513 A CN 202010206513A CN 111392468 B CN111392468 B CN 111392468B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- Bending Of Plates, Rods, And Pipes (AREA)
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Abstract
The invention belongs to the technical field of aluminum-plastic panel production, and particularly relates to a coating process of an aluminum-plastic panel, wherein a color mixing device shaping device used in the process comprises a bottom plate, two slide rails are fixed at the top end of the bottom plate, a support is movably mounted at the top end of the slide rails, two mounting frames are fixed at the top end of the bottom plate, a first push rod motor is fixed between the two mounting frames, the output shaft end of the first push rod motor is fixed on the side wall of the support, a second push rod motor is fixed at the top end and the bottom end of the support, the output shaft ends of the two second push rod motors are opposite, a connecting rod is fixed at the output shaft end of the second push rod motor, and a reset spring is; according to the invention, the edge waves of the aluminum plate are adjusted through the excessive extrusion of the shaping block, and the edge of the aluminum plate is more smooth by matching with the flattening and leveling of the pressing plate and the roller, so that the coating quality of the aluminum plate is improved.
Description
Technical Field
The invention belongs to the technical field of aluminum-plastic panel production, and particularly relates to a coating process of an aluminum-plastic panel.
Background
An aluminum-plastic composite board (also called as an aluminum-plastic board) is a novel decorative material, which is introduced from Germany to China from the beginning of the last nineties of the eighties, so that the aluminum-plastic composite board is rapidly favored by people due to the economy, the diversity of selectable colors, the convenient construction method, the excellent processing performance, the excellent fire resistance and the high-value quality. The unique performance of the aluminum-plastic composite plate determines the wide application of the aluminum-plastic composite plate: it can be used for renovation of building exterior wall, curtain wall board and old building, decoration of indoor wall and ceiling, advertisement signboard, display rack and purification dust-proof engineering, belonging to a new type building decorative material.
In the existing coating process, an aluminum coil needs to be fixed firstly, then manual coating is carried out, the process is complicated, and for example, Chinese application No. 201810949184.4 discloses an aluminum-plastic plate coating processing system and an aluminum-plastic plate coating process thereof, the automatic clamping and coating functions of the aluminum coil are realized, and the aluminum coil is automatically clamped and stabilized, so that the coating efficiency is improved.
Disclosure of Invention
In order to make up for the defects of the prior art, the shaping device used in the process adjusts the edge waves of the aluminum plate through the excessive extrusion of the shaping block, and the edge of the aluminum plate is more smooth by matching with the flattening and the leveling of the pressing plate and the roller, so that the coating quality of the aluminum plate is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a coating process of an aluminum-plastic panel, which comprises the following steps:
s1: spraying degreasing liquid on the surface of an aluminum plate, wherein degreasing aims to remove a layer of rolling lubricating oil, oxidation-resistant grease and various dirt attached to the surface in the process of hot rolling the aluminum plate, and neutralizing the aluminum plate by using an oxidizing acid agent, wherein the purpose of neutralizing is that gray or black attachments are generated on the surface of the aluminum plate after degreasing and erosion, which are caused by deposition of impurities such as silicon, magnesium, iron, copper and the like and alloy components in the aluminum material on the surface of the aluminum plate, so that the deposits are removed by using oxidizing acid, treating the aluminum plate by using a chromic acid method to form an oxide film on the surface of the aluminum plate, and performing chemical oxidation on the surface of the aluminum plate by using a chromate agent to form a fine and stable oxide film on the surface of the aluminum layer, so that the coating has good adsorption capacity and the density is enhanced during coating, washing the treated aluminum plate by water, drying, and removing the oxidized aluminum plate, Cooling, rolling and storing;
s2: the method comprises the following steps of (1) installing the aluminum plate in S1 on a feeder, controlling the tension of the aluminum plate by adopting a magnetic powder brake to ensure that the aluminum plate is in a tension state in the production process, enabling the aluminum plate to pass through a shaping device, shaping the edge of the aluminum plate by the shaping device through a shaping block and a pressing plate to enable the edge of the aluminum plate to be flat, and further facilitating the improvement of the coating and later compounding effects, and then enabling the shaped aluminum plate to pass through a coating machine to coat resin on the aluminum plate by utilizing the existing coating machine;
s3: baking the coated aluminum plate in the step S2 to enable resin on the aluminum plate to be rapidly solidified into a film to obtain various colors of coating films, cooling the baked aluminum plate in an ice water circulation heat exchange mode, wherein the cooling in the mode is favorable for rolling, finally rolling the cooled aluminum plate, rolling the aluminum plate on a torque motor control type material receiving machine, and enabling the rolled end face of the aluminum plate to be flat by adopting an edge tracking device without tower shape and staggered layers;
wherein, the shaping device used in S2 comprises a bottom plate, two slide rails are fixed at the top end of the bottom plate, a support is movably mounted at the top end of each slide rail, two mounting frames are fixed at the top end of the bottom plate, a first push rod motor is fixed between the two mounting frames, the output shaft end of the first push rod motor is fixed on the side wall of the support, a second push rod motor is fixed at the top end and the bottom end of the support, the output shaft ends of the second push rod motors are opposite, a connecting rod is fixed at the output shaft end of the second push rod motor, a reset spring is wound on the surface of the connecting rod, a limiting plate is fixed at one end of the connecting rod, which is far away from the adjacent second push rod motor, one end of the reset spring, which is far away from the adjacent limiting plate, is fixed with a clamping plate, and the clamping, an output shaft of the second push rod motor penetrates through adjacent clamping plates, a shaping block is fixed at one end, away from adjacent return springs, of each limiting plate, an arc-shaped structure is arranged at one end, away from adjacent return springs, of each shaping block, the side wall of each shaping block is composed of elastic plates, a pressure sensor is arranged at one end, away from adjacent return springs, of each shaping block, two limiting rods are fixed on the support, the limiting rods are used for limiting the movement of the clamping plates, a controller is arranged on the bottom plate, and the controller is used for controlling the shaping device to work; when the corrugated aluminum plate is used, the edges of the aluminum plate are provided with the lotus leaf edges, which is a common problem and is mainly caused by waves at the edges of the aluminum plate; the quality problem of the aluminum plate is caused by the wavy rolling, and the unevenness of the edge of the aluminum plate influences the coating and subsequent compounding effects, so that the quality of the aluminum-plastic plate is reduced, and the problem is solved by the invention; enabling the aluminum plate with the lotus leaf edges to pass through a shaping device, enabling the aluminum plate to be located between the two clamping plates, and starting the shaping device; after the shaping device is started, the second push rod motor drives the clamping plate to move towards the direction of the aluminum plate, and meanwhile, the first push rod motor drives the support to move on the sliding rail, so that the support keeps the same moving speed as the aluminum plate; after the clamping plate contacts the aluminum plate and tightly presses the aluminum plate, the second push rod motor drives the shaping block to continuously move towards the aluminum plate; after the shaping block contacts the aluminum plate, a pressure sensor on the shaping block receives data, so that the shaping block continues to adjust the aluminum plate; the shaping block at the end receiving the larger pressure continuously moves to enable the aluminum plate to be excessively extruded, so that the higher part of the aluminum plate is pressed down, and the wavy edge of the aluminum plate is flattened; the moving distance of the second push rod motor is set, so that the adjustment amount of the aluminum plate is controlled, and the lotus leaf edge condition of the aluminum plate is improved; meanwhile, the two clamping plates clamp the aluminum plate, so that the wave edge of the aluminum plate is flattened, and the wave condition of the aluminum plate is improved; after shaping of a section of aluminum plate is completed, the second push rod motor drives the clamping plate and the shaping block to be away from the aluminum plate, and meanwhile, the first push rod motor drives the support to move towards the direction opposite to the moving direction of the aluminum plate, so that the shaping device shapes the next section of aluminum plate, and therefore the continuity of shaping work is guaranteed; make aluminum plate reach normal size after the resilience through the form of excessive extrusion for aluminum plate's plastic effect is guaranteed.
Preferably, two first plates are fixed on the side wall of the bracket, two telescopic rods are installed on the sides, close to each other, of the two first plates, a pressing plate is fixed at one end, away from the adjacent first plate, of each telescopic rod, the pressing plate is used for primary shaping of an aluminum plate, a connecting plate is fixed on the side wall of the clamping plate, an inflatable airbag is fixed between the connecting plate and the adjacent first plate, a telescopic airbag is fixed between the first plate and the adjacent pressing plate, the inflatable airbag is communicated with the adjacent telescopic airbag through an air pipe, and the inflatable airbag is used for inflating the telescopic airbag; when the aluminum plate reshaping device is used, the aluminum plate with larger waves is difficult to reshape, and the aluminum plate needs to be reshaped; the connecting plate is arranged, so that the connecting plate is driven to move when the clamping plate moves towards the aluminum plate, and the connecting plate extrudes the inflatable airbag; the gas in the inflatable air bag is pressed into the telescopic air bag, so that the telescopic air bag extends, and the telescopic air bag extrudes the pressing plate; the pressing plate is pressed and then tightly attached to the aluminum plate, so that the edge of the aluminum plate is flattened, and the fluctuation range of the surface of the aluminum plate is reduced; the fluctuation amplitude of the surface of the aluminum plate is reduced, so that the working pressure of the shaping block is reduced, and the working efficiency of the shaping device is improved.
Preferably, two second plates are movably mounted on the side wall of the bracket, a sliding groove is formed in one side, close to each other, of each second plate, a sliding block is movably mounted in the sliding groove, two baffles are fixed to one side, close to each other, of each sliding block, a roller is rotatably mounted between the two baffles on the same sliding block and used for rolling an aluminum plate, an air cylinder is fixed to one side, close to each other, of each second plate and communicated with the inflatable air bag through a connecting pipe, the output shaft end of the air cylinder is fixedly connected with the adjacent sliding block, and the air cylinder is used for driving the sliding block to move along the sliding groove; when the aluminum plate is used, the aluminum plate after being adjusted by the shaping block still has unevenness to a certain degree, so that the following composite working procedure is influenced; the distance value between the two rollers is just equal to the thickness value of the aluminum plate by adjusting the height of the second plate, and when the inflatable air bag is compressed, the gas in the inflatable air bag enters the air cylinder, so that the air cylinder drives the sliding block to move in the sliding groove; the sliding block moves to drive the roller to move, so that the roller rotates on the surface of the aluminum plate; the running roller pivoted process carries out flattening once more and compresses tightly to aluminum plate to improve the planarization at aluminum plate edge, and then improved aluminum plate's application effect and subsequent compound effect.
Preferably, the shaping block is of a cavity structure, one end of the shaping block, which is close to the adjacent return spring, is of an arc structure, the radius of one end of the shaping block, which is close to the adjacent return spring, is larger than that of one end of the shaping block, which is far away from the adjacent return spring, and the shaping block is used for shaping the aluminum plate; when the aluminum plate adjusting device is used, if the contact area of the shaping block and the aluminum plate is too small, the aluminum plate is easy to generate new deformation, and the single-time adjustment length of the aluminum plate is also shorter; when the shaping block is extruded, one side of the shaping block, which is far away from the aluminum plate, is deformed, so that one side of the shaping block, which is in contact with the aluminum plate, is unfolded; make area of contact grow between shaping block and the aluminum plate after one side shakeouts that the shaping block is close to aluminum plate's roughness has been improved, the single plastic length of shaping block has been improved simultaneously, and then has improved shaping device's work efficiency.
Preferably, the sides, close to each other, of the two clamping plates are parallel to each other, an arc-shaped chamfer is arranged at one end, close to each other, of each clamping plate, a protective air bag is arranged at the arc-shaped chamfer, the protective air bag is communicated with a shaping block at one end far away from the protective air bag through a guide pipe, and the protective air bag is used for preventing the aluminum plate from generating a crease; when the aluminum plate bending device is used, the aluminum plate is easily bent in an overcorrection mode, so that the quality of the aluminum plate is influenced; by arranging the protective air bag, after the shaping block is extruded and deformed, the gas in the shaping block enters the protective air bag, so that the protective air bag protects the bent part of the aluminum plate; the bending degree of the aluminum plate is reduced through the protection of the protective air bag, so that the aluminum plate is prevented from generating creases.
Preferably, the protective air bag is of an arc-shaped strip structure, and the cross-sectional area of one end, close to the adjacent shaping block, of the protective air bag is larger than that of the other end of the protective air bag; when the protective air bag is used, the protective air bag is positioned between the clamping plate and the aluminum plate, and the farther the protective air bag is away from the aluminum plate, the weaker the effect of the protective air bag is; set up to great one end through keeping away from protective airbag's a side cross-section aluminum plate for protective airbag can be comparatively abundant fill the clearance between aluminum plate and the cardboard after aerifing, thereby reduce aluminum plate's crease and produce the probability, effectual protection aluminum plate can not produce the crease.
The invention has the following beneficial effects:
1. according to the coating process of the aluminum-plastic plate, the shaping device used in the process adjusts the edge waves of the aluminum plate through the excessive extrusion of the shaping block, so that the edge of the aluminum plate is smoother, and the coating quality of the aluminum plate is improved.
2. According to the coating process of the aluminum-plastic plate, the shaping device used in the process is provided with the pressing plate to pre-level the aluminum plate, so that the work load of the shaping block is reduced, the work efficiency of the shaping device is improved, and meanwhile, the flatness of the aluminum plate is improved by matching with the leveling of the roller, so that the coating quality of the aluminum plate is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a three-dimensional view of a shaping device used in the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a right side view of a fairing used in the present invention;
FIG. 6 is a schematic view of the working state of the shaping device used in the present invention;
FIG. 7 is a schematic view of the operating state of the shaping block;
in the figure: the device comprises a bottom plate 1, a sliding rail 2, a support 3, a first push rod motor 4, a second push rod motor 5, a reset spring 6, a limiting plate 7, a clamping plate 8, a shaping block 9, a limiting rod 10, a first plate 11, a telescopic rod 12, a pressing plate 13, a connecting plate 14, an inflatable airbag 15, a telescopic airbag 16, a second plate 17, a sliding groove 18, a sliding block 19, a roller 20, a cylinder 21 and a protective airbag 22.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the coating process for an aluminum-plastic panel of the present invention includes the following steps:
s1: spraying degreasing liquid on the surface of an aluminum plate, wherein degreasing aims to remove a layer of rolling lubricating oil, oxidation-resistant grease and various dirt attached to the surface in the process of hot rolling the aluminum plate, and neutralizing the aluminum plate by using an oxidizing acid agent, wherein the purpose of neutralizing is that gray or black attachments are generated on the surface of the aluminum plate after degreasing and erosion, which are caused by deposition of impurities such as silicon, magnesium, iron, copper and the like and alloy components in the aluminum material on the surface of the aluminum plate, so that the deposits are removed by using oxidizing acid, treating the aluminum plate by using a chromic acid method to form an oxide film on the surface of the aluminum plate, and performing chemical oxidation on the surface of the aluminum plate by using a chromate agent to form a fine and stable oxide film on the surface of the aluminum layer, so that the coating has good adsorption capacity and the density is enhanced during coating, washing the treated aluminum plate by water, drying, and removing the oxidized aluminum plate, Cooling, rolling and storing;
s2: the method comprises the following steps of (1) installing the aluminum plate in S1 on a feeder, controlling the tension of the aluminum plate by adopting a magnetic powder brake to ensure that the aluminum plate is in a tension state in the production process, enabling the aluminum plate to pass through a shaping device, shaping the edge of the aluminum plate by the shaping device through a shaping block 9 and a pressing plate 13 to enable the edge of the aluminum plate to be flat, and further facilitating the improvement of the coating and later compounding effects, and then enabling the shaped aluminum plate to pass through a coating machine to coat resin on the aluminum plate by utilizing the existing coating machine;
s3: baking the coated aluminum plate in the step S2 to enable resin on the aluminum plate to be rapidly solidified into a film to obtain various colors of coating films, cooling the baked aluminum plate in an ice water circulation heat exchange mode, wherein the cooling in the mode is favorable for rolling, finally rolling the cooled aluminum plate, rolling the aluminum plate on a torque motor control type material receiving machine, and enabling the rolled end face of the aluminum plate to be flat by adopting an edge tracking device without tower shape and staggered layers;
wherein, the shaping device used in S2 comprises a bottom plate 1, two slide rails 2 are fixed at the top end of the bottom plate 1, a support 3 is movably mounted at the top end of each slide rail 2, two mounting frames are fixed at the top end of the bottom plate 1, a first push rod motor 4 is fixed between the two mounting frames, the output shaft end of the first push rod motor 4 is fixed on the side wall of the support 3, a second push rod motor 5 is fixed at the top end and the bottom end of the support 3, the output shaft ends of the two second push rod motors 5 are opposite, a connecting rod is fixed at the output shaft end of the second push rod motor 5, a reset spring 6 is wound on the surface of the connecting rod, a limit plate 7 is fixed at one end of the connecting rod, which is far away from the adjacent second push rod motor 5, a limit plate 7 is fixed at one end of the reset spring 6, which is far away from the adjacent limit plate 7, the clamping plates 8 are of a C-shaped structure, an output shaft of the second push rod motor 5 penetrates through the adjacent clamping plates 8, a shaping block 9 is fixed at one end, away from the adjacent reset spring 6, of the limiting plate 7, an arc-shaped structure is arranged at one end, away from the adjacent reset spring 6, of the shaping block 9, the side wall of the shaping block 9 is composed of elastic plates, a pressure sensor is arranged at one end, away from the adjacent reset spring 6, of the shaping block 9, two limiting rods 10 are fixed on the support 3, the limiting rods 10 are used for limiting movement of the clamping plates 8, a controller is arranged on the bottom plate 1, and the controller is used for controlling the shaping device to work; when the corrugated aluminum plate is used, the edges of the aluminum plate are provided with the lotus leaf edges, which is a common problem and is mainly caused by waves at the edges of the aluminum plate; the quality problem of the aluminum plate is caused by the wavy rolling, and the unevenness of the edge of the aluminum plate influences the coating and subsequent compounding effects, so that the quality of the aluminum-plastic plate is reduced, and the problem is solved by the invention; enabling the aluminum plate with the lotus leaf edges to pass through the shaping device, enabling the aluminum plate to be located between the two clamping plates 8, and starting the shaping device; after the shaping device is started, the second push rod motor 5 drives the clamping plate 8 to move towards the direction of the aluminum plate, and meanwhile, the first push rod motor 4 drives the support 3 to move on the slide rail 2, so that the support 3 keeps the same moving speed as the aluminum plate; after the clamping plate 8 contacts and compresses the aluminum plate, the second push rod motor 5 drives the shaping block 9 to continuously move towards the aluminum plate; after the shaping block 9 contacts the aluminum plate, a pressure sensor on the shaping block 9 receives data, so that the shaping block 9 continues to adjust the aluminum plate; the shaping block 9 at the end receiving the larger pressure continuously moves to enable the aluminum plate to be excessively extruded, so that the higher part of the aluminum plate is pressed down, and the wavy edge of the aluminum plate is flattened; the moving distance of the second push rod motor 5 is set, so that the adjustment amount of the aluminum plate is controlled, and the lotus leaf edge condition of the aluminum plate is improved; meanwhile, the two clamping plates 8 clamp the aluminum plate, so that the wave edge of the aluminum plate is flattened, and the wave condition of the aluminum plate is improved; after shaping of a section of aluminum plate, the second push rod motor 5 drives the clamping plate 8 and the shaping block 9 to be away from the aluminum plate, and the first push rod motor 4 drives the support 3 to move towards the direction opposite to the moving direction of the aluminum plate, so that the shaping device shapes the next section of aluminum plate, and the continuity of shaping work is guaranteed; make aluminum plate reach normal size after the resilience through the form of excessive extrusion for aluminum plate's plastic effect is guaranteed.
As a specific embodiment of the invention, two first plates 11 are fixed on the side wall of the bracket 3, two telescopic rods 12 are installed on the sides of the two first plates 11 close to each other, a pressing plate 13 is fixed at one end of each telescopic rod 12 far away from the adjacent first plate 11, the pressing plate 13 is used for primary shaping of an aluminum plate, a connecting plate 14 is fixed on the side wall of the clamping plate 8, an inflatable airbag 15 is fixed between the connecting plate 14 and the adjacent first plate 11, an inflatable airbag 16 is fixed between the first plate 11 and the adjacent pressing plate 13, the inflatable airbag 15 is communicated with the adjacent inflatable airbag 16 through a gas pipe, and the inflatable airbag 15 is used for inflating the inflatable airbag 16; when the aluminum plate reshaping device is used, the aluminum plate with larger waves is difficult to reshape, and the aluminum plate needs to be reshaped; by arranging the connecting plate 14, the connecting plate 14 is driven to move when the clamping plate 8 moves towards the aluminum plate, so that the connecting plate 14 extrudes the inflatable air bag 15; the gas in the inflatable air bag 15 is pressed into the telescopic air bag 16, so that the telescopic air bag 16 is extended, and the telescopic air bag 16 presses the pressing plate 13; the pressing plate 13 is pressed and then tightly attached to the aluminum plate, so that the edge of the aluminum plate is flattened, and the fluctuation range of the surface of the aluminum plate is reduced; the fluctuation amplitude of the surface of the aluminum plate is reduced, so that the working pressure of the shaping block 9 is reduced, and the working efficiency of the shaping device is improved.
As a specific embodiment of the present invention, two second plates 17 are movably mounted on a side wall of the bracket 3, a sliding groove 18 is disposed on one side of the two second plates 17 close to each other, a sliding block 19 is movably mounted in the sliding groove 18, two baffles are fixed on one side of the two sliding blocks 19 close to each other, a roller 20 is rotatably mounted between the two baffles on the same sliding block 19, the roller 20 is used for rolling and leveling an aluminum plate, an air cylinder 21 is fixed on one side of the two second plates 17 close to each other, the air cylinder 21 is communicated with the inflatable air bag 15 through a connecting pipe, an output shaft end of the air cylinder 21 is fixedly connected with the adjacent sliding block 19, and the air cylinder 21 is used for driving the sliding block 19 to move along the sliding groove 18; when in use, the aluminum plate adjusted by the shaping block 9 still has unevenness to a certain degree, thereby influencing the following composite working procedure; the distance between the two rollers 20 is just the thickness value of the aluminum plate by adjusting the height of the second plate 17, when the inflatable air bag 15 is compressed, the gas in the inflatable air bag 15 enters the cylinder 21, so that the cylinder 21 drives the slide block 19 to move in the chute 18; the movement of the slide block 19 drives the roller 20 to move, so that the roller 20 rotates on the surface of the aluminum plate; running roller 20 pivoted process carries out flattening once more and compresses tightly to aluminum plate to improve the planarization at aluminum plate edge, and then improved aluminum plate's application effect and subsequent compound effect.
As a specific embodiment of the invention, the shaping block 9 is of a cavity structure, one end of the shaping block 9 close to the adjacent return spring 6 is of an arc structure, the radius of one end of the shaping block 9 close to the adjacent return spring 6 is larger than that of one end of the shaping block 9 far away from the adjacent return spring 6, and the shaping block 9 is used for shaping an aluminum plate; when the aluminum plate adjusting device is used, if the contact area of the shaping block 9 and the aluminum plate is too small, the aluminum plate is easy to generate new deformation, and the single-time adjustment length of the aluminum plate is also shorter; when the shaping block 9 is extruded, one side of the shaping block 9, which is far away from the aluminum plate, is deformed, so that one side of the shaping block 9, which is in contact with the aluminum plate, is unfolded; make area of contact grow between shaping block 9 and the aluminum plate after shaping block 9 is close to one side shakeout of aluminum plate to aluminum plate's roughness has been improved, the single plastic length of shaping block has been improved simultaneously, and then has improved shaping device's work efficiency.
As a specific embodiment of the invention, the sides of the two clamping plates 8 close to each other are parallel to each other, an arc-shaped chamfer is arranged at one end of each clamping plate 8 close to each other, a protective airbag 22 is arranged at the arc-shaped chamfer, the protective airbag 22 is communicated with the shaping block 9 at one end far away from the protective airbag through a conduit, and the protective airbag 22 is used for preventing an aluminum plate from generating a crease; when the aluminum plate bending device is used, the aluminum plate is easily bent in an overcorrection mode, so that the quality of the aluminum plate is influenced; by arranging the protective airbag 22, after the shaping block 9 is extruded and deformed, gas in the shaping block 9 enters the protective airbag 22, so that the protective airbag 22 protects the bent part of the aluminum plate; the bending degree of the aluminum plate is reduced by the protection of the protective airbag 22, thereby preventing the aluminum plate from being creased.
As a specific embodiment of the present invention, the protective airbag 22 is an arc-shaped strip structure, and the cross-sectional area of one end of the protective airbag 22 close to the adjacent shaping block 9 is larger than that of the other end thereof; when the protective air bag is used, the protective air bag 22 is positioned between the clamping plate 8 and the aluminum plate, and the farther the protective air bag is away from the aluminum plate, the weaker the effect of the protective air bag 22 is; one side cross section through keeping away from aluminum plate with protecting airbag 22 sets up to great one end for protecting airbag 22 can be comparatively abundant fill the clearance between aluminum plate and the cardboard 8 after aerifing, thereby reduces aluminum plate's crease and produces the probability, and effectual protection aluminum plate can not produce the crease.
When the corrugated aluminum plate is used, the edges of the aluminum plate are provided with the lotus leaf edges, which is a common problem and is mainly caused by waves at the edges of the aluminum plate; the quality problem of the aluminum plate is caused by the wavy rolling, and the unevenness of the edge of the aluminum plate influences the coating and subsequent compounding effects, so that the quality of the aluminum-plastic plate is reduced, and the problem is solved by the invention; enabling the aluminum plate with the lotus leaf edges to pass through the shaping device, enabling the aluminum plate to be located between the two clamping plates 8, and starting the shaping device; after the shaping device is started, the second push rod motor 5 drives the clamping plate 8 to move towards the direction of the aluminum plate, and meanwhile, the first push rod motor 4 drives the support 3 to move on the slide rail 2, so that the support 3 keeps the same moving speed as the aluminum plate; after the clamping plate 8 contacts and compresses the aluminum plate, the second push rod motor 5 drives the shaping block 9 to continuously move towards the aluminum plate; after the shaping block 9 contacts the aluminum plate, a pressure sensor on the shaping block 9 receives data, so that the shaping block 9 continues to adjust the aluminum plate; the shaping block 9 at the end receiving the larger pressure continuously moves to enable the aluminum plate to be excessively extruded, so that the higher part of the aluminum plate is pressed down, and the wavy edge of the aluminum plate is flattened; the moving distance of the second push rod motor 5 is set, so that the adjustment amount of the aluminum plate is controlled, and the lotus leaf edge condition of the aluminum plate is improved; meanwhile, the two clamping plates 8 clamp the aluminum plate, so that the wave edge of the aluminum plate is flattened, and the wave condition of the aluminum plate is improved; after shaping of a section of aluminum plate, the second push rod motor 5 drives the clamping plate 8 and the shaping block 9 to be away from the aluminum plate, and the first push rod motor 4 drives the support 3 to move towards the direction opposite to the moving direction of the aluminum plate, so that the shaping device shapes the next section of aluminum plate, and the continuity of shaping work is guaranteed; make aluminum plate reach normal size after the resilience through the form of excessive extrusion for aluminum plate's plastic effect is guaranteed.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The coating process of the aluminum-plastic panel is characterized by comprising the following steps of:
s1: spraying degreasing solution on the surface of the aluminum plate, neutralizing the degreasing solution by using an oxidizing acid agent, treating the aluminum plate by using a chromic acid method to form an oxide film on the surface of the aluminum plate, washing the treated aluminum plate by using water, drying, cooling, rolling and storing;
s2: the aluminum plate in the S1 is arranged on a feeder, and the aluminum plate passes through a shaping device, the shaping device shapes the edge of the aluminum plate through a shaping block (9) and a pressing plate (13), and then the shaped aluminum plate passes through a coating machine;
s3: baking the coated aluminum plate in the step S2, cooling the baked aluminum plate in an ice water circulation heat exchange mode, and finally rolling the cooled aluminum plate;
wherein, the shaping device used in S2 comprises a bottom plate (1), two slide rails (2) are fixed at the top end of the bottom plate (1), a support (3) is movably mounted at the top end of each slide rail (2), two mounting frames are fixed at the top end of the bottom plate (1), a first push rod motor (4) is fixed between the two mounting frames, the output shaft end of the first push rod motor (4) is fixed on the side wall of the support (3), two push rod motors (5) are fixed at the top end and the bottom end of the support (3), the output shaft ends of the two push rod motors (5) are opposite, a connecting rod is fixed at the output shaft end of the second push rod motor (5), a reset spring (6) is wound on the surface of the connecting rod, a limiting plate (7) is fixed at one end of the connecting rod, which is far away from the adjacent second push rod motor (5), and one end of the reset spring (6), which is far away from the adjacent second push, the one end that adjacent limiting plate (7) were kept away from in reset spring (6) is fixed with cardboard (8), cardboard (8) are C font structure, the output shaft of No. two push rod motor (5) passes adjacent cardboard (8), the one end that adjacent reset spring (6) were kept away from in limiting plate (7) is fixed with shaping block (9), the one end that adjacent reset spring (6) were kept away from in shaping block (9) is the arc structure, the lateral wall of shaping block (9) comprises the elastic plate, the one end that adjacent reset spring (6) were kept away from in shaping block (9) is equipped with pressure sensor, be fixed with two gag lever posts (10) on support (3), gag lever post (10) are used for restricting the removal of cardboard (8), be equipped with the controller on bottom plate (1), the controller is used for controlling shaping device work.
2. The coating process of the aluminum-plastic panel according to claim 1, characterized in that: be fixed with two a board (11) on support (3) lateral wall, two one board (11) are close to one side each other and all install two telescopic links (12), the one end that adjacent one board (11) were kept away from in telescopic link (12) is fixed with clamp plate (13), clamp plate (13) are used for aluminum plate's preliminary plastic, be fixed with connecting plate (14) on cardboard (8) lateral wall, be fixed with between connecting plate (14) and adjacent one board (11) and aerify gasbag (15), be fixed with flexible gasbag (16) between one board (11) and adjacent clamp plate (13), through the trachea intercommunication between aerifing gasbag (15) and adjacent flexible gasbag (16), aerify gasbag (15) and be used for aerifing of flexible gasbag (16).
3. The coating process of the aluminum-plastic panel according to claim 2, characterized in that: support (3) lateral wall movable mounting has two No. two boards (17), two one side that No. two board (17) are close to each other is equipped with spout (18), and movable mounting has slider (19) in spout (18), two one side that slider (19) are close to each other all is fixed with two baffles, is located two on same slider (19) rotate between the baffle and install running roller (20), running roller (20) are used for the roll of aluminum plate flat, two one side that No. two board (17) are close to each other all is fixed with cylinder (21), cylinder (21) are through connecting pipe and aerifing gasbag (15) intercommunication, the output axle head and adjacent slider (19) fixed connection of cylinder (21), cylinder (21) are used for driving slider (19) and remove along spout (18).
4. The coating process of the aluminum-plastic panel according to claim 2, characterized in that: the shaping block (9) is of a cavity structure, one end, close to the adjacent return spring (6), of the shaping block (9) is of an arc-shaped structure, the radius of one end, close to the adjacent return spring (6), of the shaping block (9) is larger than that of one end, far away from the adjacent return spring (6), of one end of the shaping block (9), and the shaping block (9) is used for shaping the aluminum plate.
5. The aluminum-plastic panel coating process according to claim 3, characterized in that: two cardboard (8) are close to one side of each other and are parallel to each other, the one end that cardboard (8) are close to each other is equipped with the arc chamfer, and arc chamfer is equipped with air bag (22), air bag (22) are rather than shaping piece (9) intercommunication of far away one end through the pipe, air bag (22) are used for preventing that aluminum plate from producing the crease.
6. The aluminum-plastic panel coating process according to claim 5, characterized in that: the protective air bag (22) is of an arc-shaped strip structure, and the section area of one end, close to the adjacent shaping block (9), of the protective air bag (22) is larger than that of the other end of the protective air bag.
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| CN111392468A (en) | 2020-07-10 |
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