CN110435107A - The laminating product production line of plastic-aluminum - Google Patents

Abstract

A production line for aluminum-plastic clad profiles, including a cladding device, the cladding device includes a mould, a co-extruder and an extruder, the co-extruder injects glue into the mould, and the extruder injects glue into the mould. The cladding layer is injected into the mold, and the mold sequentially forms a glue layer and a cladding layer on the outer surface of the aluminum profile. The aluminum-plastic cladding profile production line can make the cladding layer and the aluminum profile more closely combined.

Description

Aluminum-plastic composite profile production line

technical field

The invention relates to the field of aluminum-plastic cladding production, in particular to an aluminum-plastic cladding profile production line.

Background technique

Aluminum-plastic composite profile is a kind of profile product with beautiful appearance and high internal strength, which is made of finished aluminum profile as the skeleton and covered with plastic or wood-plastic mixed plastic on the outer periphery. Can be used in various construction industries.

In the existing aluminum-plastic clad profiles, there may be problems that the cladding layer and the aluminum profile are not tightly bonded and the cladding layer is uneven, which affects the use of the aluminum-plastic clad profiles.

Contents of the invention

In view of this, the present invention provides an aluminum-plastic clad profile production line, which can make the clad layer and the aluminum profile closely combined.

The invention provides an aluminum-plastic composite profile production line, which includes a composite device, the composite device includes a mould, a co-extruder and an extruder, the co-extruder injects glue into the mould, and the extruder The machine injects the cladding layer into the mold, and the mold sequentially forms a glue layer and a cladding layer on the outer surface of the aluminum profile.

Further, a heating device for heating the aluminum profile is also provided in front of the cladding device, the heating device includes a heating cavity and a heat gun, and two ends of the heating cavity are provided for the aluminum profile to be close to. The inlet and outlet of the material, the hot air gun is arranged on the heating chamber, to provide hot air for the heating chamber.

Further, the section of the heating chamber perpendicular to the axis is rectangular, and there are at least two heat guns, the two heat guns are located on the same section of the heating chamber perpendicular to the axis, and the two The heat guns are located on two opposite corners of the rectangular section.

Further, a heating plate is provided outside the heating cavity, and the heating plate covers the heating cavity from various surfaces outside the heating cavity.

Further, after the cladding device, a cooling and shaping table is also provided, and the cooling and shaping table includes a workbench, a support frame and a blowing frame, and the support frames are arranged at intervals along the length direction of the workbench on the working table. On the table, support is provided for the aluminum profiles, and the blowing racks are arranged at intervals along the length direction of the work table on the work table to air-cool the clad aluminum profiles.

Further, the blowing rack is provided with a first blowing pipe and a second blowing pipe, the first blowing pipe and the second blowing pipe are connected to the fan, and the first blowing pipe is arranged on the upper part of the blowing rack , the second blowing pipe is arranged at the lower part of the blowing rack, when the aluminum profile coated with the cladding layer is set on the cooling and shaping table, the aluminum profile clad with the cladding layer is located Between the first blowing pipe and the second blowing pipe.

Further, a connection joint detection and cutting device is also provided behind the cooling and shaping table, and the detection and cutting device includes a first transmission device, a second transmission device, a connection joint detection device, a travel distance detector and a cutting device. The first conveying device drives the aluminum-plastic clad profile to move, and the connecting joint detection device is fixedly installed, and detects the position of the inner base of the non-metallic connecting joint connecting the two aluminum profiles, when the connecting joint detects When the device detects the position of the base in the connection joint, the travel distance detector detects the distance traveled by the base in the connection joint, and when the base in the connection joint travels to the cutting device, the The second conveying device drives the cutting device to move synchronously with the aluminum profile coated with the cladding layer, and the cutting device cuts the base in the connecting joint.

Further, the connecting joint detection device includes a fixed seat, a rotating shaft, a connecting frame and a probe, the fixed seat is fixedly arranged, and the rotating shaft is arranged horizontally along the direction perpendicular to the traveling direction of the aluminum profile coated with the cladding layer On the fixed seat, the connecting frame extends along the length direction of the aluminum profile coated with the cladding layer, and is arranged on the rotating shaft so as to swing up and down, and the probe is arranged on the connecting The end of the frame away from the rotating shaft is set on the aluminum profile coated with the cladding layer.

Further, the probe is a metal detector, and when the probe cannot detect the existence of the aluminum profile, the probe can detect the position of the inner base of the connecting joint.

Further, the aluminum-plastic clad profile production line also includes a tractor, a heating device, a cooling and shaping table and a detection and cutting device. The tractor, the heating device, the laminating device, the cooling and shaping table and the The detection and cutting devices are arranged in sequence;

The tractor drives the aluminum profiles connected with non-metallic joints into the heating device;

The heating device heats the aluminum profile;

The cladding device sequentially coats the glue layer and the cladding layer on the aluminum profile;

The cooling and shaping table performs cooling and shaping for the aluminum profile coated with the cladding layer;

The detection and cutting device cuts the base in the non-metal connection joint, so that the aluminum profile coated with the cladding layer forms an equal-length aluminum-plastic cladding profile.

To sum up, through the setting of the above-mentioned production line, a complete aluminum-plastic clad profile of equal length can be obtained, and the cladding layer of the aluminum-plastic clad profile is closely bonded and the surface is smooth.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a schematic structural view of an aluminum-plastic clad profile production line provided by an embodiment of the present invention.

Fig. 2 is a structural schematic diagram of a connecting joint used in an aluminum-plastic clad profile production line.

Fig. 3 is a schematic diagram of the structure of the connecting joint assembled on the aluminum profile in Fig. 2 .

Fig. 4 is a front structural schematic view of the heating device in Fig. 1 .

FIG. 5 is a schematic side view of the heating device in FIG. 1 .

Fig. 6 is a front structural schematic view of the heating device in Fig. 1 .

FIG. 7 is a schematic top view of the heating device in FIG. 1 .

FIG. 8 is a schematic front view of the laminating device in FIG. 1 .

FIG. 9 is a schematic top view of the laminating device in FIG. 1 .

Fig. 10 is a schematic front view of the cooling device in Fig. 1 .

FIG. 11 is a schematic side view of the cooling device in FIG. 1 .

Fig. 12 is a schematic structural diagram of the detection and cutting device for aluminum-plastic clad profiles in Fig. 1 .

Fig. 13 is a front structural schematic diagram of the connection joint detecting device in Fig. 1 .

FIG. 14 is a schematic side view of the connection joint detection device in FIG. 1 .

FIG. 15 is a schematic top view of the connection joint detecting device in FIG. 1 .

Fig. 16 is a schematic front view of the cutting device in Fig. 1 .

Fig. 17 is a schematic side view of the cutting device in Fig. 1 .

Detailed ways

In order to further explain the technical means and functions adopted by the present invention to achieve the intended invention purpose, the detailed description is as follows in conjunction with the accompanying drawings and preferred embodiments.

The invention provides an aluminum-plastic clad profile production line, which can make the clad layer and the aluminum profile closely combined.

Fig. 1 is a schematic structural view of an aluminum-plastic clad profile production line provided by an embodiment of the present invention. As shown in FIG. 1 , the aluminum-plastic clad profile production line includes a tractor 10 , a heating device 20 , a laminating device 30 , a cooling and setting table 40 , a detection and cutting device 50 and a turning frame 60 . The above-mentioned tractor 10, heating device 20, lamination device 30, cooling and shaping table 40, detection and cutting device 50, and material turning frame 60 are arranged in sequence from front to back, and the above-mentioned "front" and "rear" refer to the The sequence of each process.

Fig. 2 is a schematic structural view of a connecting joint used in an aluminum-plastic clad profile production line, and Fig. 3 is a structural schematic view of the connecting joint assembled on an aluminum profile in Fig. 2 . Please refer to FIG. 2 and FIG. 3 , when using the aluminum-plastic clad profile production line provided by the present invention to produce aluminum-plastic clad profiles, it is necessary to use a connecting joint 70 made of non-metallic material to connect two aluminum profiles 80 . Specifically, the connecting joint 70 includes a base 71 , a first connecting block 72 and a second connecting block 73 , and the first connecting block 72 and the second connecting block 73 are respectively disposed on two sides of the base 71 and extend in opposite directions. The first connecting block 72 and the second connecting block 73 extend into the ends of the two aluminum profiles 80 respectively, so that the two aluminum profiles 80 are connected, and the base 71 is positioned between the ends of the two aluminum profiles 80 (need to be explained) Yes, for ease of understanding, in FIG. 3 , the connecting joint 70 only fixes one aluminum profile 80 through the second connecting block 73. In actual operation, another aluminum profile 80 needs to be fixed through the second connecting block 72 to achieve two connection of aluminum profile 80). The tractor 10 sends the aluminum profile 80 connected with the connecting joint 70 into the heating device 20, and the heating device 20 preheats the aluminum profile 80; The wood-plastic mixture is coated on the aluminum profile 80 to form a cladding layer; the clad aluminum profile 80 enters the cooling device for cooling; the cooled aluminum profile 80 enters the detection and cutting device 50, and the detection and cutting device 50 detects the connection The position of the base 71 in the joint 70, and the base 71 in the connecting joint 70 is cut to form a multi-section equal-length aluminum-plastic clad profile; the cut aluminum-plastic clad profile enters the turning rack 60 for storage to complete the production of aluminum-plastic clad profiles.

Fig. 4 is a front structural schematic diagram of the heating device in Fig. 1, Fig. 5 is a side view structural schematic diagram of the heating device in Fig. 1, Fig. 6 is a front structural schematic diagram of the heating device in Fig. 1, and Fig. 7 is a schematic diagram of the heating device in Fig. 1 Schematic diagram of top view structure. As shown in Figures 4 to 7, in the present invention, the heating device 20 includes a heating chamber 21 and a heat gun 22, and two ends of the heating chamber 21 are provided with an inlet 211 and an outlet for the aluminum profile 80 to enter and exit. 212 , the heat gun 22 is arranged on the heating cavity 21 , preferably on the side of the heating cavity 21 close to the feed inlet 211 , and provides hot air for the heating cavity 21 .

In this embodiment, through the setting of the heating chamber 21 and the heat gun 22, before the aluminum profile 80 enters the cladding device 30, it first enters the heating device 20, and the heating device 20 heats the aluminum profile 80 to make the aluminum profile 80 The temperature is the same as or close to the working temperature of the mold 31. Furthermore, due to the setting of the heat gun 22, hot air can flow from one end of the feed port 211 to the one end of the discharge port 212 in the heating cavity 21, and through the flow of hot air, The heat in the heating cavity 21 is relatively uniform, which can ensure the stability of the temperature on the aluminum profile 80 .

Further, in this embodiment, the air outlet direction of the heat gun 22 is toward the discharge port 212 of the heating device 20, and forms an angle of 45° with the axis of the heating chamber 21, so that the hot air ejected by the heat gun 22 It can flow along the heating cavity 21 relatively uniformly, so that the temperature of each area in the heating cavity 21 is more uniform.

Please continue to refer to FIG. 6. In this embodiment, the section of the heating cavity 21 perpendicular to the axis is rectangular, so that the distances between the surfaces of the aluminum profile 80 and the inner sidewall of the heating cavity 21 are approximately equal, ensuring that the aluminum profile 80 each surface is evenly heated.

There are at least two heat guns 22, and the two heat guns 22 are located on the same section of the heating cavity 21 perpendicular to the axis, and the two heat guns 22 are located on two opposite corners of the rectangular section. This enables the hot air blown out by each heat gun 22 to enter an adjacent horizontal side and a vertical side simultaneously, ensuring that there is no dead angle for air heat transfer, and the heating is uniform everywhere.

In order to further increase the heating rate of the aluminum profile 80 , a heating plate 23 is provided around the heating cavity 21 , that is, the heating plate 23 wraps the heating cavity 21 from all surfaces outside the heating cavity 21 . The heating plate 23 will heat the heating cavity 21, and the hot air blown out by the heat gun 22 will drive the heat, so that the heat can be distributed more evenly. Preferably, there are at least two sets of heating plates 23 , and the two sets of heating plates 23 are arranged at intervals along the axial direction of the heating cavity 21 , and are both arranged on the side of the heat gun 22 away from the feed port 211 . The power of each set of heating plates 23 is the same as that of each heat gun 22 to further ensure temperature balance.

A thermocouple temperature measuring point (not shown) is also provided in the heating cavity 21 to detect the temperature and facilitate adjustment of the temperature.

Further, a position correction device 24 is also provided on the discharge port 212 of the heating cavity 21 to correct the position of the aluminum profile 80 after passing through the heating cavity 21 so that the position of the aluminum profile 80 is consistent with the entrance of the mold 31 Corresponding.

FIG. 8 is a schematic front view of the lamination device in FIG. 1 , and FIG. 9 is a schematic top view of the lamination device in FIG. 1 . As shown in Figure 8 and Figure 9, the cladding device 30 provided by the present invention comprises a mold 31, an extruder 32 and a co-extruder 33, the mold 31 is arranged between the extruder 32 and the co-extruder 33, and the extruder 32 And co-extrusion machine 33 is connected with mold 31.

When carrying out the molding process, the aluminum profile 80 connected with the connecting joint 70 enters the mold 31, the co-extruder 33 extrudes the glue, and the outer surface of the aluminum profile 80 coated with the glue layer by the mold 31, the extruder 32 A cladding layer such as plastic or wood-plastic mixture is extruded, and the cladding layer is coated on the outer surface of the aluminum profile 80 coated with the glue layer through the mold 31 .

In this embodiment, through the setting of the co-extrusion machine 33, a layer of glue is coated on the aluminum profile 80 in advance before coating the cladding layer, which is conducive to improving the firmness of the bond between the cladding layer and the aluminum profile 80 At the same time, the glue can also be used as a buffer layer, which can effectively prevent the cladding layer from falling off from the aluminum profile 80 due to the difference in shrinkage between the aluminum profile 80 and the cladding layer. Clad cladding Preferably, in this embodiment, the heating temperature of the heating device 20 mentioned above is the same as the temperature of the glue in the co-extrusion machine 33, so as to ensure that the glue will not be deformed when it is coated on the aluminum profile 80 , to ensure the flatness of the cladding layer.

Fig. 10 is a front structural diagram of the cooling and shaping platform in Fig. 1, and Fig. 11 is a side view structural diagram of the cooling and shaping platform in Fig. 1 . As shown in FIG. 10 and FIG. 11 , in this embodiment, the cooling and shaping table 40 includes a working table 41 , a supporting frame 42 and a blowing frame 43 . The support frame 42 is arranged on the workbench 41, and is arranged at intervals along the length direction of the workbench 41. Similarly, the blowing frame 43 is arranged on the workbench 41, and is arranged at intervals along the length direction of the workbench 41. The support frame 42 is opposite to the aluminum The plastic-clad profile is supported so that the height of the aluminum-plastic clad profile is the same as that of the mold 31. The blowing rack 43 air-cools the aluminum profile 80 after cladding.

Further, the blowing rack 43 is provided with a first blowing pipe 431 and a second blowing pipe 432, the first blowing pipe 431 and the second blowing pipe 432 are connected to the fan 433, and the first blowing pipe 431 is arranged on the top of the blowing rack 43 , the second blowing pipe 432 is arranged at the bottom of the blowing frame 43, when the aluminum-plastic clad profile is arranged on the cooling and shaping table 40, the aluminum-plastic clad profile is located between the first blowing pipe 431 and the second blowing pipe 432.

On the same blowing rack 43, there are two first blowing pipes 431 and two second blowing pipes 432, and the two first blowing pipes 431 and the second blowing pipes 432 are respectively arranged on both sides of the workbench 41. When the clad profile is set on the cooling and setting table 40, two first blowing pipes 431 are set on both sides of the aluminum-plastic clad profile, and two second blowing tubes 432 are respectively set on both sides of the aluminum-plastic clad profile.

Through the above arrangement, blowing pipes can be provided in the up, down, left and right directions of the aluminum-plastic clad profile, and the aluminum-plastic clad profile can be cooled better.

In this embodiment, both the first blowing pipe 431 and the second blowing pipe 432 are hoses, so as to facilitate the adjustment of the blowing position.

A roller 421 is also provided on the support frame 42 to facilitate the movement of the aluminum-plastic clad profile.

Fig. 12 is a schematic structural view of the detection and cutting device for aluminum-plastic clad profiles in Fig. 1, Fig. 13 is a schematic diagram of the front view of the detection device for connection joints in Fig. 1, and Fig. 14 is a schematic diagram of the side view of the detection device for connection joints in Fig. 1, Fig. 15 is a schematic top view of the joint detection device in Fig. 1, Fig. 16 is a schematic front view of the cutting device in Fig. 1, and Fig. 17 is a schematic side view of the cutting device in Fig. 1 . As shown in Figures 12 to 17, the aluminum-plastic clad profile detection and cutting device 50 provided in this embodiment includes a first transmission device 51, a second transmission device, a joint detection device 53, a travel distance detector (not shown) and The cutting device 54, the first conveying device 51, the second conveying device, the joint detection device 53, the travel distance detector and the cutting device 54 are electrically connected with the controller (not shown in the figure), and the first conveying device 51 drives the coated The aluminum profile 80 of the cladding layer moves, and the connection joint detection device 53 is fixedly installed, and detects the position of the base 71 in the connection joint 70 of the non-metallic material in the aluminum-plastic clad profile, when the connection joint detection device 53 detects the base 71 position, the traveling distance detector detects the traveling distance of the base 71, and when the base 71 advances to the cutting device 54, the second conveying device 52 drives the cutting device 54 to move synchronously with the aluminum profile 80 coated with the cladding layer , and cut the base 71 of the connecting joint 70 on the aluminum-plastic clad profile to obtain an equal-length aluminum-plastic clad profile.

In this embodiment, through the setting of the connection joint detection device 53, the position of the base 71 in the non-metallic connection joint 70 under the coating of plastic or wood-plastic mixed plastic can be detected, because the connection joint detection device 53 and the cutting The distance of the device 54 is constant, therefore, when the joint detection device 53 detects the position of the base 71, the travel distance of the base 71 is detected by the travel distance detector, and it can be known whether the base 71 has moved to the cutting device. 54; when the base 71 moves to the cutting device 54, the cutting device 54, driven by the second conveying device 52, keeps synchronous movement with the aluminum-plastic clad profile, and cuts the base 71, so as to obtain Long aluminum-plastic clad profiles. After cutting, the second conveying device 52 drives the cutting device 54 to reset, so as to wait for the next cutting. Through the setting of the above-mentioned device, when the travel distance detection device detects the travel distance of the aluminum-plastic clad profile, it always takes the moment when the base 71 reaches the connection joint detection device 53 as a reference, so as to ensure that the cutting device 54 can always be on the base. The position of seat 71 cuts the aluminum-plastic composite profile. This avoids the interference caused by the length error of each section of aluminum profile 80, the length error of connecting joint 70, the error of the combined length of connecting joint 70 and aluminum profile 80, and the cumulative error caused by the cutting of aluminum-plastic clad profiles in the prior art. , to ensure the equal length and integrity of the aluminum profile 80 in each formed aluminum-plastic clad profile, and to improve the quality of the aluminum-plastic clad profile. Further, because the device can accurately cut the inner base 71 of the connection joint 70, preventing the cutting device 54 from cutting the aluminum profile 80, which can reduce the loss of the cutting device 54 and improve the life of the cutting device 54.

Please continue to refer to FIG. 12. In this embodiment, the aluminum-plastic clad profile detection and cutting device 50 includes a first box body 55 and a second box body 56. The above-mentioned first transmission device 51 is arranged in the first box body 55. The second transmission device 52 and the cutting device 54 are arranged in the second box body 56, and the connection joint detection device 53 is arranged between the first box body 55 and the second box body 56, and is fixed on the first box body 55 or the second box body. On the box body 56 (the connection joint detection device 53 is arranged on the first box body 55 in FIG. 12 ).

Please continue to refer to Fig. 13 to Fig. 15, the connector detection device 53 includes a fixed seat 531, a rotating shaft 532, a connecting frame 533 and a probe 534, the fixed seat 531 is arranged on the first box body 55 or the second box body 56, and the rotating shaft 532 along the The direction perpendicular to the clad aluminum profile 80 is horizontally arranged on the fixing seat 531, and the connecting frame 533 extends along the length direction of the clad aluminum profile 80, and is arranged on the rotating shaft so as to swing up and down. 532, the probe 534 is set on the end of the connecting frame 533 away from the rotating shaft 532, and the through-hole roller (not shown in the figure) is set on the aluminum profile 80 covered with the cladding layer.

Because the connecting frame 533 is arranged on the rotating shaft 532 swinging up and down, when the aluminum-plastic clad profile moves under the drive of the first conveying device 51, the probe 534 can always be in contact with the surface of the aluminum-plastic clad profile. Accurately detect its aluminum-plastic clad profiles.

Furthermore, clamping plates 535 are also formed on both sides of the end of the connecting frame 533 away from the rotating shaft 532. When the aluminum-plastic clad profile moves under the drive of the first conveying device 51, the aluminum-plastic clad profile is arranged on the two clamps. Between the plates 535, to prevent the probe 534 from shaking left and right, out of contact with the aluminum-plastic clad profile.

A slideway 536 is vertically provided on the fixing seat 531 , and a slideboard 537 is provided on the rotating shaft 532 , and the slideboard 537 is slidably arranged on the slideway 536 along the slideway 536 through a first fastener.

Further, in this embodiment, the probe 534 can be a metal detector to detect the aluminum profile 80 in the aluminum-plastic clad profile. When the probe 534 cannot detect the existence of the aluminum profile 80, it can be judged that the connecting joint 70 The position of the inner base 71 .

In this embodiment, the traveling distance detector may be, but not limited to, distance measuring components such as a distance encoder and a meter counter.

Referring to FIG. 16 and FIG. 17 , the cutting device 54 includes a pressure head 541 , a base plate 542 , a saw blade 543 and a motor 544 . Saw blade 543 and motor 544, such as a servo motor, are arranged on the base plate 542, the pressure head 541 is arranged on the top of the saw blade 543, and the aluminum-plastic clad profile is arranged between the pressure head 541 and the saw blade 543, and the servo motor is arranged along the vertical direction. The direction is set, the saw blade 543 is connected with the motor 544, and can move up and down in the vertical direction under the drive of the servo motor, and a through hole for the saw blade 543 to pass through is also formed on the base plate 542 .

The second conveying device comprises an upper conveying lane 521 and a lower conveying lane 522 (seeing Fig. 12 ), the pressing head 541 is arranged on the upper conveying lane 521, the substrate 542 is arranged on the lower conveying lane 522, and the upper conveying lane 521 and the lower conveying lane 522 It moves synchronously with the first conveying device 51 .

When cutting, the second transmission device keeps moving synchronously with the first transmission device 51, the height of the pressure head 541 is lowered, and the aluminum-plastic clad profile is pressed on the base plate 542, and the motor 544 drives the saw blade 543 to move upward, and the saw blade 543 Pass through the hole to reach the top of the base plate 542, and cut the aluminum-plastic clad profile. After the cutting is completed, the pressure head 541 and the saw blade 543 reset, and the second conveying device brings the cutting device 54 back to the original position and waits for the next step. one cut.

Through the arrangement of the above-mentioned production line, a complete aluminum-plastic clad profile of equal length can be obtained, and the cladding layers of the aluminum-plastic clad profile are closely bonded and the surface is smooth.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, but as long as they do not depart from the technical solution of the present invention, the Technical Essence Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (10)

1. a kind of laminating product production line of plastic-aluminum, it is characterised in that: including lamination device, the lamination device includes mold, is total to The machine of squeezing and extruder, the co-extrusion machine inject glue to the mold, and the extruder injects laminating layer to the mold, described Mold sequentially forms glue layer and laminating layer on the outer surface of aluminum profile.

2. the laminating product production line of plastic-aluminum as described in claim 1, it is characterised in that: be additionally provided with before the lamination device For the heating device of aluminum profile heating, the heating device includes heating cavity and heat gun, the heating cavity both ends Feed inlet and discharge port nearby for the aluminum profile are offered, it is described that the heat gun, which is set on the heating cavity, Hot wind is provided in heating cavity.

3. the laminating product production line of plastic-aluminum as claimed in claim 2, it is characterised in that: the heating cavity is along perpendicular to axis Section be rectangle, the heat gun at least two, two heat guns are located at the heating cavity along perpendicular to axis Same section on, and two heat guns be located at two of the rectangular section it is diagonal on.

4. the laminating product production line of plastic-aluminum as claimed in claim 2, it is characterised in that: be additionally provided with outside the heating cavity Heating plate, the heating plate coat the heating cavity from each surface outside heating cavity.

5. the laminating product production line of plastic-aluminum as described in claim 1, it is characterised in that: be additionally provided with after the lamination device Cooling and shaping platform, the cooling and shaping platform include workbench, support frame and blowing frame, length of the support frame as described above along the workbench Degree direction is arranged at intervals on the workbench, provides support for the aluminum profile, the blowing frame is along the workbench length Direction is arranged at intervals on the workbench, is carried out to the aluminum profile after the laminating layer of cladding air-cooled.

6. the laminating product production line of plastic-aluminum as claimed in claim 5, it is characterised in that: be provided with first on the blowing frame and blow Air hose and the second blower, first blower and the second blower are connected with blower, and first blower is set to The top of the blowing frame, second blower is set to the lower part of the blowing frame, when the aluminium for being coated with laminating layer When profile is set on the cooling and shaping platform, the aluminum profile for being coated with laminating layer is located at first blower and described Between second blower.

7. the laminating product production line of plastic-aluminum as claimed in claim 5, it is characterised in that: also set up after the cooling and shaping platform There is jointing to detect cutter device, the detection cutter device includes second conveyer, second conveyer, jointing Detection device, travel distance detector and cutter device, the second conveyer drive the laminating profile movement of plastic-aluminum, the company The fixed setting of connector detection device, and detect the base between two aluminum profiles of connection in the jointing of non-metallic material Seat position, when the jointing detection arrive the position of the pedestal in the jointing when, it is described traveling away from It is detected with a distance from the traveling of the pedestal in the jointing from detector, when the pedestal in the jointing marches to described cut When cutting device, the second conveyer drives the cutter device to move synchronously with the aluminum profile for being coated with laminating layer, The cutter device cuts the pedestal in the jointing.

8. the laminating product production line of plastic-aluminum as claimed in claim 7, it is characterised in that: the jointing detection device includes Fixing seat, shaft, connection frame and probe, the fixing seat fixed setting, the shaft is along perpendicular to the institute for being coated with laminating layer The direction of travel for stating aluminum profile horizontally is arranged in the fixing seat, and the connection frame is coated with the described of laminating layer described in The length direction of aluminum profile extends, and can be set to swinging up and down in the shaft, and the probe is set to the connection frame One end far from the shaft, and it is erected on described be coated on the aluminum profile of laminating layer.

9. the laminating product production line of plastic-aluminum as claimed in claim 8, it is characterised in that: the probe is metal detector, when It is described pop one's head in can't detect the aluminum profile there are when, described pop one's head in can be detected the position of pedestal in the jointing It sets.

10. the laminating product production line of plastic-aluminum as described in claim 1, it is characterised in that: the laminating product production line of plastic-aluminum It further include that dragger, heating device, cooling and shaping platform and detection cutter device, the dragger, described cover the heating device Attach together set, the cooling and shaping platform and the detection cutter device are set gradually；

The aluminum profile that the dragger band employs after nonmetallic jointing connection enters the heating device；

The heating device is that the aluminum profile is heated；

The lamination device successively coats glue layer and laminating layer on the aluminum profile；

The cooling and shaping platform is the aluminum profile progress cooling and shaping for being coated with laminating layer；

The detection cutter device cuts the pedestal in nonmetallic jointing, so as to be coated with the aluminium of the laminating layer Profile forms the laminating profile of isometric plastic-aluminum.