Device for producing polyurethane heat insulation aluminum alloy profile and aluminum alloy profile

Abstract

The invention relates to the technical field of aluminum alloy profile production, in particular to a device for producing a polyurethane heat insulation aluminum alloy profile and the aluminum alloy profile. Comprising an extruder which is provided with an extruder and a heater; the mold is arranged on the heater, and the extruder is provided with a filler; the sliding rod is connected to the extruder in a sliding mode, the position, close to the sliding rod, of the extruder is rotationally connected with a reciprocating telescopic rod, the telescopic part of the reciprocating telescopic rod is fixedly connected with a fixing frame, and the fixing frame is fixedly connected with a plurality of scrapers which are vertically distributed at intervals. A plurality of scrapers are driven by the fixing frame to move up and down in a reciprocating mode, raw materials attached to the surfaces of the cutters are scraped layer by layer, so that the amount of the raw materials attached to the cutters is reduced, the probability that the surfaces of the raw materials on the cutters are uneven after the raw materials are cooled is reduced, and the smoothness of the contact face of two raw material rods is improved; therefore, the continuity and the strength of the profile are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum alloy profile production, and in particular to a device for producing polyurethane heat-insulating aluminum alloy profile and the aluminum alloy profile. Background Art

[0002] The core equipment of the aluminum alloy profile production device is the aluminum alloy profile extruder. The aluminum alloy profile extruder pushes the raw material rod of aluminum alloy into the heater through the extruder, and then extrude the heated raw material rod into a profile of a specific shape through a die, thereby realizing efficient and precise profile manufacturing.

[0003] When using an aluminum alloy profile extruder, in order to ensure that there is no gap between the subsequently pushed raw material rod and the raw material rod that entered the heater previously, thereby ensuring the continuity and strength of the profile, the following measures will be taken during operation: the extruder will not push the raw material rod completely into the heater, but after each extrusion molding is completed, a portion of the raw material rod will be retained at the feed port of the heater. After completing an extrusion molding, the portion of the raw material rod remaining at the feed port will be cut off, so that the next raw material rod can be seamlessly connected with the raw material rod remaining at the feed port, avoiding gaps between the two raw material rods.

[0004] The removal of the remaining part of the raw material bar is generally achieved by configuring a die-cutting mechanism above the feed port of the mold. In the process of cutting the remaining material of the raw material bar, since the raw material bar is in a heated state and its overall texture is relatively soft, a part of the heated aluminum will adhere to the tool of the die-cutting mechanism. When the tool loses contact with the feed port, the raw material adhered to the tool will cool down, resulting in an uneven surface of the tool, causing the next raw material bar remaining cut to be uneven, thereby affecting the continuity between the two raw material bars and affecting the strength of the profile. Summary of the invention

[0005] In order to overcome the shortcomings mentioned in the above background, the present invention provides an apparatus for producing polyurethane heat-insulating aluminum alloy profiles and aluminum alloy profiles.

[0006] The technical solution of the present invention is: a device for producing polyurethane heat-insulating aluminum alloy profiles, comprising:

[0007] An extruder, wherein the extruder is provided with a collecting chamber, the extruder is equipped with an extruder and a heater, and the collecting chamber is located below between the extruder and the heater;

[0008] A mold is installed on a side of the heater away from the extruder, and a filler is installed on a side of the extruder close to the mold, and the filler is used to fill the polyurethane insulation material into the aluminum alloy profile;

[0009] A cutting assembly, disposed on the extruder, for cutting off the remaining material outside the heater;

[0010] A sliding rod is slidably connected to the extruder, a first elastic member is fixedly connected between the sliding rod and the extruder, a reciprocating telescopic rod is rotatably connected to the position of the extruder close to the sliding rod, the telescopic portion of the reciprocating telescopic rod is slidably connected to the extruder through the sliding rod, the sliding rod and the reciprocating telescopic rod are transmitted by a transmission member, the telescopic portion of the reciprocating telescopic rod is fixedly connected to a fixed frame, and the fixed frame is fixedly connected to a plurality of scrapers distributed at intervals up and down.

[0011] Furthermore, the lengths of the plurality of scrapers increase sequentially from bottom to top.

[0012] Further, the cutting assembly comprises:

[0013] An electromagnetic slider is slidably connected to the extruder, the electromagnetic slider is fixedly connected to an elastic telescopic rod, the telescopic end of the elastic telescopic rod is fixedly connected to a connecting rod, the connecting rod is used to extrude the sliding rod, the connecting rod is equipped with a cutter, and the scraper is used to scrape off impurities adhered to the cutter;

[0014] The first limiting pin is slidably connected to the connecting rod, a second elastic member is fixedly connected between the first limiting pin and the connecting rod, the extruder is provided with a first limiting groove, and the first limiting pin slides in the first limiting groove.

[0015] Furthermore, a first blocking surface and a first guiding surface are provided in the first limiting groove, the first blocking surface is used to block the first limiting pin, and the first guiding surface is used to guide the first limiting pin.

[0016] Furthermore, it also includes:

[0017] A fixed block, fixedly connected to the extruder, wherein the fixed block is slidably connected to a sliding seat;

[0018] A connecting frame is slidably connected to the sliding seat, the connecting frame is slidably connected to the fixed frame, a third elastic member is fixedly connected between the sliding seat and the connecting frame, a plurality of impact plates are fixedly connected to the connecting frame and are distributed at intervals, and a plurality of the scrapers and a plurality of the impact plates are distributed alternately;

[0019] The second limiting pin is slidably connected to the connecting frame, a fourth elastic member is fixedly connected between the second limiting pin and the connecting frame, the fixing block is provided with a second limiting groove, and the second limiting pin slides in the second limiting groove.

[0020] Furthermore, a second blocking surface and a second guiding surface are provided in the second limiting groove, the second blocking surface is used to block the second limiting pin, and the second guiding surface is used to guide the second limiting pin.

[0021] Furthermore, it also includes:

[0022] The number of cleaning plates is the same as that of the impact plates, and they are slidably connected to the adjacent impact plates respectively. A fifth elastic member is fixed between the cleaning plate and the adjacent impact plates. The cleaning plate is located between two adjacent scrapers. The upper and lower sides of the cleaning plate are respectively in contact with the adjacent scrapers. A friction surface is provided on the side of the cleaning plate away from the fixed frame.

[0023] Furthermore, it also includes:

[0024] A flexible block is fixed to the sliding rod and is used for wiping all the scrapers and all the cleaning plates.

[0025] An aluminum alloy profile, based on the above-mentioned device for producing polyurethane heat-insulating aluminum alloy profile, has the following processing characteristics:

[0026] The surface of the aluminum alloy profile is treated by a steel shot blasting anodizing process to increase the adhesion of the polyurethane thermal insulation material to the surface of the aluminum alloy profile.

[0027] Furthermore, the aluminum alloy profile has a hollow structure, and the polyurethane thermal insulation material is located inside the aluminum alloy profile to improve the thermal insulation performance of the aluminum alloy profile. The polyurethane thermal insulation material is composed of isocyanate and polyether polyol, and the mass ratio of isocyanate to polyether polyol is 1:1.2. The reaction temperature required for the formation of the polyurethane thermal insulation material is 20-30°C, and the pressure required for the formation of the polyurethane thermal insulation material is 130-150KPa.

[0028] The present invention has the following advantages: 1. The present invention drives a plurality of scrapers to move up and down reciprocatingly through a fixed frame, and scrapes off the raw materials attached to the surface of the cutter layer by layer, so as to reduce the amount of raw materials attached to the cutter, thereby reducing the probability that the raw materials on the cutter will cause the surface to be uneven after cooling, and improving the smoothness of the contact surface of the two raw material rods, thereby ensuring the continuity and strength of the profile, and using a filler to fill the polyurethane insulation material into the aluminum alloy profile to enhance the thermal insulation performance of the aluminum alloy profile;

[0029] 2. The impact plate impacts the cutter to shake off the raw materials adhering to the cutter, so as to reduce the amount of raw materials adhering to the cutter, thereby improving the flatness of the contact surface of the two raw material bars and increasing the fit between the contact surfaces of the two raw material bars, thereby ensuring the continuity and strength of the profile;

[0030] 3. Use the friction surface of the cleaning plate to impact and rub the cutter downward to rub off the stubborn raw materials remaining on the cutter, wipe the surface of the cutter with the surface of the cleaning plate, and use the flexible block to clean all scrapers and all raw materials remaining on the cleaning plates to reduce the probability of the raw materials remaining on the scrapers and cleaning plates sticking back to the cutter again. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0032] Figure 2 It is a three-dimensional structural cross-sectional view of the extruder of the present invention;

[0033] Figure 3 It is a schematic diagram of the three-dimensional structure of the cutter of the present invention;

[0034] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing frame of the present invention;

[0035] Figure 5 It is a schematic diagram of the three-dimensional structure of the first limiting groove of the present invention;

[0036] Figure 6 It is a schematic diagram of the three-dimensional structure of the reciprocating telescopic rod of the present invention;

[0037] Figure 7 It is a three-dimensional structural cross-sectional view of the reciprocating telescopic rod of the present invention;

[0038] Figure 8 It is a schematic diagram of the three-dimensional structure of the scraper of the present invention;

[0039] Fig. 9 It is a schematic diagram of the three-dimensional structure of the flexible block of the present invention;

[0040] Fig.10 It is a schematic diagram of the three-dimensional structure of the cleaning plate of the present invention;

[0041] Fig.11 It is a schematic diagram of the three-dimensional structure of the second limiting groove of the present invention.

[0042] The numbers in the figure are as follows: 1-extruder, 101-collecting chamber, 102-extruder, 103-heater, 201-mold, 202-filler, 3-cutting assembly, 301-electromagnetic slider, 302-elastic telescopic rod, 303-connecting rod, 304-cutter, 305-first limiting pin, 306-first limiting groove, 3061-first blocking surface, 3062-first guide surface, 401-sliding rod, 402-transmission member, 403-reciprocating telescopic rod, 4031-limiting block, 4032-annular groove, 404-fixed frame, 405-scraper, 501-fixed block, 5011-sliding seat, 502-connecting frame, 503-impact plate, 504-second limiting pin, 505-second limiting groove, 5051-second blocking surface, 5052-second guide surface, 6-cleaning plate, 7-flexible block. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0044] In order to reduce the phenomenon that the raw material adhered to the cutter causes the surface to be uneven after cooling, a device for producing polyurethane heat-insulating aluminum alloy profiles, such as Figure 1-Figure 8As shown, it includes: an extruder 1, the extruder 1 is provided with a control terminal, wherein the control terminal is an existing structure and is not shown in the figure, the extruder 1 is provided with a collecting chamber 101, the extruder 1 is installed with an extruder 102 and a heater 103, the extruder 102 and the heater 103 are both electrically connected to the control terminal, the extruder 102 is controlled by a hydraulic system to move rightward, and the preheated raw material rod is gradually pushed into the heater 103, the heater 103 is used to melt the raw material rod into a soft state that can be extruded, the collecting chamber 101 is located below between the extruder 102 and the heater 103, and the collecting chamber 101 is used to hold the remaining raw material rods that have been cut off, so that the operator can easily The residual material of the raw material bar is recycled; the mold 201 is installed on the right side of the heater 103, and a filler 202 is installed on the right side of the extruder 1. The filler 202 is electrically connected to the control terminal. The filler 202 is used to fill the polyurethane insulation material into the aluminum alloy profile. A cooling structure not shown in the figure is arranged between the mold 201 and the filler 202. The extruded aluminum alloy profile is cooled by the cooling structure to enable the aluminum alloy profile to be quickly formed; the cutting component 3 is arranged on the extruder 1, and is used to cut off the residual material outside the heater 103; the sliding rod 401 is slidably connected to the extruder 1, and the sliding rod 401 is located between the extruder 102 and the heater 103. The rod 401 is located above the collecting chamber 101, and a first elastic member is fixedly connected between the sliding rod 401 and the extruder 1, wherein the first elastic member of the sliding rod 401 is a spring, and the extruder 1 is rotatably connected with a reciprocating telescopic rod 403 at a position close to the sliding rod 401, and the telescopic portion of the reciprocating telescopic rod 403 is slidably connected to the extruder 1 through the sliding rod, and a limit block 4031 is fixedly connected in the fixed portion of the reciprocating telescopic rod 403, and the telescopic portion of the reciprocating telescopic rod 403 is provided with an annular groove 4032, and the annular groove 4032 is used to limit the limit block 4031, and in the process of the fixed portion of the reciprocating telescopic rod 403 driving the limit block 4031 to rotate, the limit block 4031 moves along the annular groove 4032. The sliding rod 401 and the reciprocating telescopic rod 403 are driven by a transmission member 402, wherein the transmission member is composed of two gears and two racks, and the two gears rotate in the extruder 1. The sliding rod 401 moves up and down and the transmission member 402 drives the fixed part of the reciprocating telescopic rod 403 to rotate circumferentially. The telescopic part of the reciprocating telescopic rod 403 is fixedly connected to a fixed frame 404, and the fixed frame 404 is fixedly connected to a plurality of scrapers 405 distributed at intervals up and down. The lengths of the plurality of scrapers 405 increase from bottom to top, and when the cutter 304 moves upward, the scrapers 405 are used to scrape off the raw materials attached to the surface of the cutter 304 layer by layer.

[0045] The cutting assembly 3 includes: an electromagnetic slider 301, the extruder 1 is provided with an electromagnetic slide, the electromagnetic slider 301 is slidably connected to the electromagnetic slide of the extruder 1, the electromagnetic slide rail on the extruder 1 is electrically connected to the control terminal, the electromagnetic slider 301 is fixedly connected to an elastic telescopic rod 302, the telescopic end of the elastic telescopic rod 302 is fixedly connected to a connecting rod 303, the connecting rod 303 is used to squeeze the sliding rod 401, the elastic telescopic rod 302 is fixedly connected to a cylindrical rod, the cylindrical rod is slidably connected to the connecting rod 303, and is used to support the connecting rod 303, increase the supporting strength of the connecting rod 303, so as to prevent the connecting rod 303 from driving the cutter 304 to move downward to cut the remaining material of the raw material bar, causing the telescopic end of the elastic telescopic rod 302 to be bent by force, and the connecting rod 303 is equipped with a cutter 304, and a scraper 405 is used to cut Impurities adhered to the knife 304 are scraped off; the first limit pin 305 is slidably connected to the connecting rod 303, and a second elastic member is fixedly connected between the first limit pin 305 and the connecting rod 303, wherein the second elastic member of the first limit pin 305 is a spring and is initially in a compressed state, the extruder 1 is provided with a first limit groove 306, the first limit groove 306 is a right-angled trapezoid, the first limit pin 305 slides in the first limit groove 306, and a first blocking surface 3061 and a first guide surface 3062 are provided in the first limit groove 306, the first blocking surface 3061 is used to block the first limit pin 305, and the first guide surface 3062 is used to guide the first limit pin 305, so that when the connecting rod 303 moves up and down, the first limit pin 305 can only move counterclockwise in the first limit groove 306.

[0046] The specific working principle is as follows:

[0047] When the operator needs to use the device to produce aluminum alloy profiles, the operator first turns on the extruder 102 through the control terminal, and the extruder 102 pushes a raw material rod into the heater 103, and then turns on the heater 103 through the control terminal. The heater 103 heats the raw material rod to soften the raw material rod, and the extruder 102 moves to the right to push the raw material rod, and pushes the raw material rod into the mold 201. The raw material is formed by the limit of the mold 201. The operator turns on the filler 202 through the control terminal, and the filler 202 fills the polyurethane insulation material. After being filled into the aluminum alloy profile after cooling and forming, when the extruder 102 pushes most of a raw material rod into the heater 103, a small part of the raw material rod remains outside the heater 103, and the operator turns on the electromagnetic slider 301 through the control terminal. The electromagnetic slider 301 drives the connecting rod 303 to move downward through the elastic telescopic rod 302, and the connecting rod 303 drives the cutter 304 to move downward to cut the remaining raw material rod, so as to cut off the remaining raw material rod, and the cut remaining raw material rod falls into the collecting chamber 101, so that the operator can recycle the remaining raw material.

[0048] As the connecting rod 303 moves downward, the connecting rod 303 drives the first limit pin 305 to move downward. When the first limit pin 305 moves to the lower side of the first blocking surface 3061, the second elastic member of the first limit pin 305 pops out (as the first limit pin 305 moves downward, the second elastic member of the first limit pin 305 is in a compressed state). At this time, the electromagnetic slider 301 moves downward to the limit state, and the control terminal controls the electromagnetic slider 301 to move upward and reset. The electromagnetic slider 301 drives the cutter 304 to move upward through the elastic telescopic rod 302 and the connecting rod 303. The first limit pin 305 is blocked by the first blocking surface 3061, so that the first limit pin 305 can only move to the upper left. The connecting rod 303 drives the cutter 304 to move upward. The knife 304 moves to the upper left, and the telescopic end of the elastic telescopic rod 302 gradually shrinks. When the cutter 304 moves to the scraper 405 on the lower side, as the cutter 304 continues to move upward, several scrapers 405 clean the surface of the cutter 304 in turn. When the electromagnetic slider 301 moves upward to the initial position, the telescopic end of the elastic telescopic rod 302 is reset and drives the connecting rod 303 to move and reset. The connecting rod 303 drives the first limit pin 305 to move. The first limit pin 305 is squeezed by the first guide surface 3062, so that the second elastic part of the first limit pin 305 is compressed and reset. Finally, the operator pushes the next raw material rod into the heater 103 through the extruder 102, and repeats the above steps to achieve continuous production of aluminum alloy profiles.

[0049] When the cutter 304 moves to the scraper 405 on the lower side, the connecting rod 303 contacts the sliding rod 401, and as the connecting rod 303 moves upward, the connecting rod 303 squeezes the sliding rod 401 to move upward, the first elastic member of the sliding rod 401 contracts, and the sliding rod 401 transmits the reciprocating telescopic rod 403 through the transmission member 402, and the telescopic part of the reciprocating telescopic rod 403 drives the fixed frame 404 to reciprocate (the sliding rod of the telescopic part of the reciprocating telescopic rod 403 moves up and down in the extruder 1 to prevent the telescopic part of the reciprocating telescopic rod 403 from rotating). The fixed frame 404 drives several scrapers 405 to move up and down reciprocatingly. As the cutter 304 moves upward, several scrapers 405 scrape the raw materials accumulated on the surface of the cutter 304 layer by layer in turn to reduce the amount of raw materials adhering to the cutter 304, thereby reducing the probability of the raw materials on the cutter 304 causing its surface to be uneven after cooling, improving the smoothness of the contact surface of the two raw material bars, and thus ensuring the continuity and strength of the profile. When the connecting rod 303 moves to lose contact with the sliding rod 401, the first elastic part of the sliding rod 401 rebounds and drives it to reset.

[0050] When the operator stops using the device, the operator turns off the extruder 102, the heater 103 and the electromagnetic slider 301 through the control terminal, and then cleans the device for the next use.

[0051] In order to reduce the probability of the scraped raw material adhering to the cutter 304, as Figure 3 , Figure 6 and Figure 9-11 As shown, it also includes: a fixed block 501, which is fixed to the extruder 1, and the fixed block 501 is slidably connected to the sliding seat 5011; a connecting frame 502, which is slidably connected to the sliding seat 5011, the connecting frame 502 is slidably connected to the fixed frame 404, and a third elastic member is fixed between the sliding seat 5011 and the connecting frame 502, wherein the third elastic member of the sliding seat 5011 is a tension spring, and the connecting frame 502 is fixed with a plurality of impact plates 503 distributed at intervals, and a plurality of scrapers 405 and a plurality of impact plates 503 are alternately distributed, and the lengths of the plurality of impact plates 503 increase from bottom to top, and the impact plate 503 is located between the upper and lower scrapers 405. In the process of the scraper 405 reciprocating to scrape the raw material on the cutter 304, the impact plate 503 impacts the surface of the cutter 304, and the raw material scraped off the cutter 304 is shaken off to prevent the raw material from hanging. The scraper 405 cannot fall off the surface of the cutter 304, resulting in a poor cleaning effect of the scraper 405 on the surface of the cutter 304; the second limit pin 504 is slidably connected to the connecting frame 502, and a fourth elastic member is fixedly connected between the second limit pin 504 and the connecting frame 502, wherein the fourth elastic member of the second limit pin 504 is a tension spring, and the fixed block 501 is provided with a second limit groove 505, and the second limit groove 505 is a right-angled triangle. The second limit pin 504 slides in the second limit groove 505, and a second blocking surface 5051 and a second guide surface 5052 are provided in the second limit groove 505. The second blocking surface 5051 is used to block the second limit pin 504, and the second guide surface 5052 is used to guide the second limit pin 504. When the second limit pin 504 moves up and down, the second limit pin 504 moves counterclockwise along the second limit groove 505.

[0052] The specific working principle is as follows:

[0053] When the fixing frame 404 moves up and down, the fixing frame 404 drives the connecting frame 502 to move up and down, and the connecting frame 502 drives the sliding seat 5011, the second limiting pin 504 and the plurality of impact plates 503 to move up and down. When the fixing frame 404 moves upward, the second limiting pin 504 is blocked by the second blocking surface 5051 and moves to the upper right, so that the connecting frame 502 moves to the right and stretches the third elastic member between it and the sliding seat 5011. When the second limiting pin 504 moves upward to the limit state, the third elastic member of the sliding seat 5011 is reset, and the third elastic member of the sliding seat 5011 is reset. The second limit pin 504 moves and resets along the second guide surface 5052, and the fourth elastic member of the second limit pin 504 is stretched, so that the connecting frame 502 moves rapidly to the left, and the connecting frame 502 drives all the impact plates 503 to move rapidly to the left, and the impact plates 503 impact the cutter 304, and shake off the raw material adhered to the cutter 304, so as to reduce the amount of raw material adhered to the cutter 304, thereby increasing the smoothness of the surface of the cutter 304, so as to improve the flatness of the contact surface of the two raw material bars, and increase the fit between the contact surfaces of the two raw material bars, thereby ensuring the continuity and strength of the profile.

[0054] When the fixing frame 404 moves downward, the fixing frame 404 drives all the impact plates 503 to move downward through the connecting frame 502 to scrape off the raw materials adhered to the cutter 304 .

[0055] In order to achieve automatic cleaning of the scraper 405, as Figure 8 and Fig.10 As shown, it also includes: cleaning plates 6, the number of which is the same as the number of impact plates 503, which are slidably connected to adjacent impact plates 503, and a fifth elastic member is fixed between the cleaning plate 6 and the adjacent impact plate 503, wherein the fifth elastic member of the cleaning plate 6 is a spring, and the cleaning plate 6 is located between two adjacent scrapers 405, and the upper and lower sides of the cleaning plate 6 are respectively in contact with the adjacent scrapers 405, so as to scrape off the raw materials accumulated on the upper and lower sides of the scrapers 405, and a friction surface is provided on the left side of the cleaning plate 6, so as to increase the friction between the cleaning plate 6 and the cutter 304, thereby increasing the force of the cleaning plate 6 to remove the raw materials on the surface of the cutter 304.

[0056] like Figure 6 and Fig. 9 As shown, it also includes: a flexible block 7, which is fixed to the sliding rod 401 and is used to wipe all scrapers 405 and all cleaning plates 6. When the flexible block 7 moves downward, the flexible block 7 contacts the left sides of all scrapers 405 and all cleaning plates 6 in turn, wiping off the residual raw materials on all scrapers 405 and all cleaning plates 6.

[0057] The specific working principle is as follows:

[0058] During the left and right movement of the impact plate 503, the impact plate 503 drives the adjacent cleaning plate 6 to move left and right. During the left movement of the cleaning plate 6, the upper and lower sides of the cleaning plate 6 move left along the two adjacent scrapers 405. The fifth elastic member of the cleaning plate 6 is gradually compressed, and the cleaning plate 6 scrapes off the impurities attached to the two adjacent scrapers 405. The cleaning plate 6 impacts and rubs the cutter 304 downward through its left friction surface, rubs off the stubborn raw material remaining on the cutter 304, and wipes the surface of the cutter 304 through the surface of the cleaning plate 6 to prevent the raw material from remaining in the gap on the metal surface of the cutter 304 (the gap on the metal surface is the pores or scratches generated during the casting and use of the cutter 304), causing the raw material in the cutter 304 to soften due to heat during use and adhere to the raw material rod again, resulting in insufficient connection strength between the two raw material rods, thereby affecting the strength of the aluminum alloy profile.

[0059] When the connecting rod 303 is reset, after the connecting rod 303 loses contact with the sliding rod 401, the first elastic member of the sliding rod 401 drives it to reset, and the sliding rod 401 drives the flexible block 7 to move downward, and the flexible block 7 contacts the left sides of all scrapers 405 and the left sides of all cleaning plates 6 in turn, wiping off the residual raw materials on all scrapers 405 and all cleaning plates 6.

[0060] An aluminum alloy profile, based on the above-mentioned device for producing polyurethane thermal insulation aluminum alloy profile, has the following processing characteristics: the surface of the aluminum alloy profile is treated by steel shot sandblasting anodizing process to increase the adhesion of the polyurethane thermal insulation material on the surface of the aluminum alloy profile, so as to reduce the probability of gaps between the polyurethane thermal insulation material and the aluminum alloy profile, thereby reducing the occurrence of the phenomenon of reduced thermal insulation effect of the aluminum alloy profile due to the appearance of gaps between the polyurethane thermal insulation material and the aluminum alloy profile.

[0061] The aluminum alloy profile is a hollow structure. The polyurethane thermal insulation material is located inside the aluminum alloy profile to improve the thermal insulation performance of the aluminum alloy profile. The polyurethane thermal insulation material is composed of isocyanate and polyether polyol. The mass ratio of isocyanate to polyether polyol is 1:1.2. The reaction temperature required for the formation of the polyurethane thermal insulation material is 20-30°C, and the pressure required for the formation of the polyurethane thermal insulation material is 130-150KPa.

[0062] The reaction temperature required for the formation of the polyurethane thermal insulation material is 25°C and the pressure is 140KPa, so that the polyurethane thermal insulation aluminum alloy profile has a lower linear thermal conductivity and a good material U value (ie, thermal conductivity).

[0063] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for producing polyurethane heat-insulating aluminum alloy profiles, characterized in that: include: An extruder (1), wherein the extruder (1) is provided with a collecting chamber (101), the extruder (1) is equipped with an extruder (102) and a heater (103), and the collecting chamber (101) is located below between the extruder (102) and the heater (103); The mold (201) is installed on a side of the heater (103) away from the extruder (102), and a filler (202) is installed on a side of the extruder (1) close to the mold (201), and the filler (202) is used to fill the polyurethane thermal insulation material into the aluminum alloy profile; A cutting assembly (3), arranged on the extruder (1), for cutting off the remaining material outside the heater (103); A sliding rod (401) is slidably connected to the extruder (1), a first elastic member is fixedly connected between the sliding rod (401) and the extruder (1), a reciprocating telescopic rod (403) is rotatably connected to the position of the extruder (1) close to the sliding rod (401), the telescopic portion of the reciprocating telescopic rod (403) is slidably connected to the extruder (1) through the sliding rod, the sliding rod (401) and the reciprocating telescopic rod (403) are transmitted through a transmission member (402), the telescopic portion of the reciprocating telescopic rod (403) is fixedly connected to a fixed frame (404), and the fixed frame (404) is fixedly connected to a plurality of scrapers (405) distributed at intervals above and below.

2. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 1, characterized in that: The lengths of the scrapers (405) increase from bottom to top.

3. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 2, characterized in that: The cutting assembly (3) comprises: An electromagnetic slider (301) is slidably connected to the extruder (1); the electromagnetic slider (301) is fixedly connected to an elastic telescopic rod (302); the telescopic end of the elastic telescopic rod (302) is fixedly connected to a connecting rod (303); the connecting rod (303) is used to extrude the sliding rod (401); the connecting rod (303) is equipped with a cutter (304); and the scraper (405) is used to scrape off impurities adhered to the cutter (304); A first limit pin (305) is slidably connected to the connecting rod (303); a second elastic member is fixedly connected between the first limit pin (305) and the connecting rod (303); the extruder (1) is provided with a first limit groove (306); the first limit pin (305) slides in the first limit groove (306).

4. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 3, characterized in that: A first blocking surface (3061) and a first guiding surface (3062) are provided in the first limiting groove (306), wherein the first blocking surface (3061) is used to block the first limiting pin (305), and the first guiding surface (3062) is used to guide the first limiting pin (305).

5. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 4, characterized in that include: A fixed block (501) is fixedly connected to the extruder (1), and the fixed block (501) is slidably connected to a sliding seat (5011); A connecting frame (502) is slidably connected to the sliding seat (5011), the connecting frame (502) is slidably connected to the fixed frame (404), a third elastic member is fixedly connected between the sliding seat (5011) and the connecting frame (502), the connecting frame (502) is fixedly connected to a plurality of impact plates (503) distributed at intervals, a plurality of scrapers (405) and a plurality of impact plates (503) are distributed alternately; a second limiting pin (504) is slidably connected to the connecting frame (502), a fourth elastic member is fixedly connected between the second limiting pin (504) and the connecting frame (502), the fixed block (501) is provided with a second limiting groove (505), and the second limiting pin (504) slides in the second limiting groove (505).

6. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 5, characterized in that: A second blocking surface (5051) and a second guiding surface (5052) are provided in the second limiting groove (505), wherein the second blocking surface (5051) is used to block the second limiting pin (504), and the second guiding surface (5052) is used to guide the second limiting pin (504).

7. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 6, characterized in that include: The number of cleaning plates (6) is the same as the number of the impact plates (503), and they are respectively slidably connected to the adjacent impact plates (503). A fifth elastic member is fixedly connected between the cleaning plate (6) and the adjacent impact plates (503). The cleaning plate (6) is located between two adjacent scrapers (405). The upper and lower sides of the cleaning plate (6) are respectively in contact with the adjacent scrapers (405). A friction surface is provided on the side of the cleaning plate (6) away from the fixing frame (404).

8. The device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 7, characterized in that include: A flexible block (7) is fixedly connected to the sliding rod (401) and is used for wiping all the scrapers (405) and all the cleaning plates (6).

9. An aluminum alloy profile, according to the device for producing polyurethane heat-insulating aluminum alloy profiles according to claim 8, wherein the processing characteristics are as follows: The surface of the aluminum alloy profile is treated by a steel shot blasting anodizing process to increase the adhesion of the polyurethane thermal insulation material to the surface of the aluminum alloy profile.

10. The aluminum alloy profile according to claim 9, characterized in that: The aluminum alloy profile is a hollow structure. The polyurethane thermal insulation material is located inside the aluminum alloy profile to improve the thermal insulation performance of the aluminum alloy profile. The polyurethane thermal insulation material is composed of isocyanate and polyether polyol. The mass ratio of isocyanate to polyether polyol is 1:1.

2. The reaction temperature required for the formation of the polyurethane thermal insulation material is 20-30°C, and the pressure required for the formation of the polyurethane thermal insulation material is 130-150KPa.

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