Aluminum bar homogenizing production line with rapid cooling function

Abstract

The utility model relates to the field of aluminum alloy heat treatment, and discloses a rapid-cooling aluminum bar homogenizing production line which comprises aluminum bar stacking equipment, a first transverse conveying table, a furnace inlet conveying track, a homogenizing furnace, a furnace outlet conveying track, a second transverse conveying table, an aluminum bar destacking table, a single aluminum bar conveying track and a cooling table track which are connected in sequence. The rapid cooling aluminum bar homogenizing production line can replace the traditional cooling chamber design, and compared with the traditional cooling chamber structure, the rapid cooling aluminum bar homogenizing production line liberates the cooling space, so that the air cooling areas of all aluminum bars are the same, and the cooling speed is greatly improved. Especially for aluminum bars with large bar diameters, as the size of a general homogeneous filler strip is far smaller than that of a large-size aluminum bar, the ventilation space is very limited during actual cooling, and a good cooling effect cannot be achieved, the aluminum bars are horizontally placed and cooled through the design of the cooling table, and a sufficient cooling space is achieved.

Description

Technical Field

[0001] The utility model relates to the field of aluminum alloy heat treatment, in particular to an aluminum rod homogenization production line capable of achieving a rapid cooling effect. Background Art

[0002] With the increasing requirements for the strength of aluminum profiles, the alloying level of the materials is getting higher and higher. Since most of the strengthening inside the material is achieved through the solid solution precipitation of the strengthening phase elements, if the online solid solution is not sufficient during the extrusion process, the required strengthening effect cannot be achieved. For highly alloyed materials, if the aluminum rod cannot be quickly cooled after the homogenization heat treatment of the aluminum rod, it will lead to the situation that it is difficult to ensure that the strengthening phase elements are completely dissolved in the aluminum rod by simply relying on the heating process of the aluminum rod before extrusion, which will eventually cause the profile strength to be insufficient. Therefore, how to quickly cool the aluminum rod after homogenization, reduce the coarsening of the precipitated phase, and then make it quickly dissolve back during the heating process of the aluminum rod before extrusion, thereby improving the final product strength of the extruded profile and meeting the increasingly high requirements for industrial aluminum, is of great practical significance. Utility Model Content

[0003] The purpose of the utility model is to provide an aluminum rod homogenization processing production line capable of rapid cooling, replacing the traditional homogenization furnace + cooling chamber mode, achieving a rapid cooling effect of the aluminum rod after homogenization, and at least providing a beneficial choice or creating conditions for solving one or more technical problems existing in the prior art.

[0004] In order to achieve the above objectives, the utility model adopts the following technical solutions.

[0005] A rapid cooling aluminum rod homogenization production line comprises an aluminum rod stacking device, a first transverse transport platform, a furnace inlet transport track, a homogenizing furnace, a furnace outlet transport track, a second transverse transport platform, an aluminum rod unloading platform, a single aluminum rod transport track and a cooling platform track connected in sequence, wherein the aluminum rod stacking device is used to realize the stacking of aluminum rods, the first transverse transport platform is used to transport the stacked aluminum rods to the corresponding furnace inlet position of the homogenizing furnace, the furnace inlet transport track is used to transport the stacked aluminum rods into the homogenizing furnace, the homogenizing furnace is used to realize the homogenization treatment, the furnace outlet transport track is used to transport the homogenized stacked aluminum rods to the second transverse transport platform, the second transverse transport platform is used to transport the homogenized stacked aluminum rods to the aluminum rod unloading platform, the aluminum rod unloading platform is used to unload the stacked aluminum rods into single aluminum rods and transport them to the single aluminum rod transport track, and the single aluminum rod transport track is used to transport the aluminum rods to the cooling platform track; a plurality of cooling fans are arranged under the cooling platform track.

[0006] More preferably, the homogenizing furnace consists of a homogenizing furnace body, a homogenizing front furnace door and a homogenizing rear furnace door, the homogenizing front furnace door can be opened to seal the inlet of the homogenizing furnace body, and the homogenizing rear furnace door can be opened to seal the outlet of the homogenizing furnace body.

[0007] More preferably, the homogenizing furnaces are multiple and arranged in parallel, the furnace inlet transport track is perpendicular to the first transverse transport platform, and the furnace outlet transport track is perpendicular to the second transverse transport platform.

[0008] More preferably, the cooling table rails are multiple sets arranged in parallel, and each set of the cooling table rails corresponds to a group of the cooling fans.

[0009] More preferably, the cooling table track and the second transverse transport platform are arranged in parallel, and a heat insulation device is provided between the cooling table track and the second transverse transport platform.

[0010] More preferably, a plurality of infrared temperature sensors are sequentially arranged along the conveying direction of the cooling table track, and each of the infrared temperature sensors is used to monitor the cooling speed of the aluminum rod in real time.

[0011] More preferably, a latching position cooperating with aluminum bars of different sizes is provided on the cooling table track, and the latching position is used to prevent the aluminum bars from sliding when being transported on the cooling table track.

[0012] More preferably, a corresponding heat preservation box is provided corresponding to the furnace-outward transport track and the second transverse transport platform, and the furnace-outward transport track and the second transverse transport platform are located in the heat preservation box for heat preservation.

[0013] More preferably, a water mist spray device is added to the front end of the cooling table track.

[0014] More preferably, a water or water mist spraying device is provided at the tail section corresponding to the cooling table track.

[0015] The technical solution provided by the utility model has at least the following technical effects or advantages.

[0016] The utility model provides a rapid cooling aluminum rod homogenization production line, which can replace the traditional cooling chamber design. Because the traditional cooling chamber design is limited by the internal space, there is an obvious upper limit on the number and power of fans, which cannot meet the needs of rapid cooling of aluminum rods, and the cooling speeds of aluminum rods at different positions vary greatly, making it difficult to meet process requirements. The utility model provides a rapid cooling aluminum rod homogenization production line, which frees up cooling space, makes the wind cooling area of ​​all aluminum rods the same, and greatly improves the cooling speed. Especially for aluminum rods with larger rod diameters, because the size of general homogenization pads is much smaller than that of large-sized aluminum rods, the ventilation space is very limited during actual cooling, and a good cooling effect cannot be achieved at all. The cooling table design in the utility model allows the aluminum rods to be laid flat for cooling, and has sufficient cooling space.

[0017] After actual production tests, the aluminum rod homogenization production line provided by the utility model can double the cooling speed of the aluminum rod after homogenization. Especially for large-diameter aluminum rods, the cooling after homogenization through the aluminum rod homogenization production line provided by the utility model can increase the cooling speed by 100%-200% compared with the traditional cooling room. Aluminum rods with a rod diameter of more than 380mm can still guarantee a cooling speed of more than 350℃ / h, and the cooling speed of all aluminum rods is uniform, and it is not easy for the aluminum rod surface to recover to the rapid coarsening of the precipitate, which significantly improves the mechanical properties of such aluminum rod extrusion profiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shown is a schematic structural diagram of the aluminum rod homogenizing production line provided by the utility model.

[0019] Description of Figure Numbers.

[0020] 1: Aluminum bar stacking equipment; 2: First horizontal transport platform; 3. Furnace inlet transport track; 4: Homogenization front furnace door; 5: Homogenization furnace body; 6: Homogenization rear furnace door; 7: Furnace outlet transport track; 8: Second horizontal transport platform; 9: Aluminum bar unloading platform; 10: Single aluminum bar transport track; 11: Cooling fan; 12: Cooling platform track. DETAILED DESCRIPTION

[0021] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, and cannot be understood as limiting the utility model.

[0022] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention.

[0023] Reference Figure 1As shown, a rapid cooling aluminum rod homogenization production line includes an aluminum rod stacking device 1, a first horizontal transport platform 2, an in-furnace transport track 3, a homogenizing furnace, an out-furnace transport track 7, a second horizontal transport platform 8, an aluminum rod unloading platform 9, a single aluminum rod transport track 10 and a cooling platform track 12 connected in sequence. The homogenizing furnace is composed of a homogenizing furnace body 5, a homogenizing front furnace door 4 and a homogenizing rear furnace door 6. The homogenizing front furnace door 4 can be opened to seal the inlet of the homogenizing furnace body 5, and the homogenizing rear furnace door 6 can be opened to seal the outlet of the homogenizing furnace body 5; a plurality of cooling fans 11 are provided below the cooling platform track 12.

[0024] During operation, the aluminum bars are first stacked in the stacking equipment 1. The aluminum bars in the stacking equipment 1 are transported to the corresponding position of the homogenizing furnace through the first horizontal transport platform 2, and then the stacked aluminum bars are placed in the homogenizing furnace body 5 with the front furnace door 4 opened through the furnace transport track 3. After homogenization is completed, the rear furnace door 6 is opened, and the stacked aluminum bars are sent to the second horizontal transport platform 8 through the furnace discharge transport track 7. The aluminum bars are transported to the aluminum bar unloading platform 9 through the second horizontal transport. The stacked aluminum bars are unloaded into a single aluminum bar and sent to the cooling area below through the single aluminum bar transport track 10. After being transported, the aluminum bars enter the cooling platform track 12 according to the equipment load. The number of cooling platform tracks 12 can be equipped as needed according to the number of homogenizing furnaces and the homogenization process time, and each set of tracks corresponds to a group of cooling areas. After entering the cooling platform track, the aluminum bars move to the other side until they are full. The bottom fan is always turned on during the movement and parking process to ensure rapid cooling of the aluminum bars. After the aluminum bars are cooled, they are directly transferred away by forklift.

[0025] The present embodiment provides a rapid cooling aluminum rod homogenization production line that can replace the traditional cooling chamber design. Because the traditional cooling chamber design is limited by the internal space, there is an obvious upper limit on the number and power of fans, which cannot meet the needs of rapid cooling of aluminum rods, and the cooling speeds of aluminum rods at different positions vary greatly, making it difficult to meet process requirements. The present embodiment provides a rapid cooling aluminum rod homogenization production line that frees up cooling space, so that all aluminum rods have the same wind cooling area, and the cooling speed is greatly improved. Especially for aluminum rods with larger rod diameters, because the size of the general homogenization pads is much smaller than that of large-sized aluminum rods, the ventilation space is very limited during actual cooling, and a good cooling effect cannot be achieved at all. The cooling table design in the present embodiment cools the aluminum rods flatly, providing sufficient cooling space.

[0026] After actual production testing, the aluminum rod homogenization production line provided in this embodiment can double the cooling rate of the aluminum rod after homogenization. Especially for large-diameter aluminum rods, the cooling after homogenization by the aluminum rod homogenization production line provided in this embodiment can increase the cooling rate by 100%-200% compared with the traditional cooling chamber. Aluminum rods with a rod diameter of more than 380mm can still guarantee a cooling rate of more than 350℃ / h, and the cooling rate of all aluminum rods is uniform, and it is not easy for the aluminum rod surface to recover to the temperature to settle the precipitate and quickly coarsen, which significantly improves the mechanical properties of such aluminum rod extrusion profiles.

[0027] In this embodiment, it is preferred that the homogenizing furnaces are arranged in parallel, the furnace entry transport track 3 corresponding to the homogenizing furnace is vertically arranged with the first transverse transport platform 2, and the furnace exit transport track 7 corresponding to the homogenizing furnace is vertically arranged with the second transverse transport platform 8. In this way, not only is the structure compact, but also multiple homogenizing furnaces can be used simultaneously for homogenization processing, and the production efficiency is high.

[0028] In this embodiment, it is preferred that the cooling table tracks 12 are arranged in parallel in multiple sets, and the aluminum bars are transported by the single aluminum bar transport track 10 and enter different cooling table tracks 12 according to the equipment load, and each set of tracks corresponds to a group of cooling fans 11. When working, try to arrange aluminum bars of a single size for cooling.

[0029] In this embodiment, the cooling table rail 12 and the second transverse transport platform 8 are preferably arranged in parallel with each other and have a compact structure; preferably, a heat insulation device is provided between the cooling table rail 12 and the second transverse transport platform 8 to avoid mutual temperature influence.

[0030] In some embodiments, a plurality of infrared temperature sensors are sequentially arranged along the conveying direction of the cooling table track 12, and each of the infrared temperature sensors is used to monitor the cooling speed of the aluminum rod in real time, thereby providing a basis for cooling speed control.

[0031] In some embodiments, the cooling table rail 12 is provided with clamping positions for aluminum bars of different sizes, so that the aluminum bars have the required gaps when laid flat, thereby increasing the cooling ventilation volume.

[0032] In some embodiments, a corresponding heat preservation box is provided corresponding to the furnace transport track 7 and the second transverse transport platform 8, and the furnace transport track 7 and the second transverse transport platform 8 are located in the heat preservation box to ensure that the aluminum rod is kept warm before entering the cooling platform track 12 for cooling, and does not enter the temperature precipitation stage in advance. The heat preservation box can be a known heat preservation box.

[0033] In some embodiments, a water mist spray device is added to the front end of the cooling table track 12 to accelerate the cooling speed of the aluminum rod by adding water mist particles in the air; in some embodiments, a water or water mist spray device is provided at the rear end of the cooling table track 12 to quickly cool down the aluminum rod that is already below 300°C. Both the water mist spray device and the water spray device are existing known structures.

[0034] It should be noted that the specific structural composition of the aluminum rod stacking equipment, the first horizontal transport platform, the furnace inlet transport track, the homogenizing furnace, the furnace outlet transport track, the second horizontal transport platform, the aluminum rod unloading platform, the single aluminum rod transport track and the cooling platform track in the utility model, as well as the transition transmission structure design between adjacent equipment are all common technical knowledge mastered by technical personnel in this field and will not be repeated here.

[0035] It should also be noted that, in the description of the present invention, directional words such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0036] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, "at least" means one or more, unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.

[0039] Through the description of the above structure and principle, those skilled in the art should understand that the present invention is not limited to the above specific implementations. Improvements and substitutions based on the present invention using the known technology in the art fall within the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims and their equivalents. Parts not described in the specific implementations are prior art or common knowledge.

Claims

1. A rapid cooling aluminum rod homogenization production line, characterized in that: It includes aluminum bar stacking equipment, a first transverse transport platform, a furnace inlet transport track, a homogenizing furnace, a furnace outlet transport track, a second transverse transport platform, an aluminum bar unloading platform, a single aluminum bar transport track and a cooling platform track connected in sequence, the aluminum bar stacking equipment is used to realize the stacking of aluminum bars, the first transverse transport platform is used to transport the stacked aluminum bars to the corresponding position of the furnace inlet of the homogenizing furnace, the furnace inlet transport track is used to transport the stacked aluminum bars into the homogenizing furnace, the homogenizing furnace is used to realize homogenization treatment, the furnace outlet transport track is used to transport the homogenized stacked aluminum bars to the second transverse transport platform, the second transverse transport platform is used to transport the homogenized stacked aluminum bars to the aluminum bar unloading platform, the aluminum bar unloading platform is used to unload the stacked aluminum bars into single aluminum bars and transport them to the single aluminum bar transport track, the single aluminum bar transport track is used to transport the aluminum bars to the cooling platform track; a plurality of cooling fans are arranged under the cooling platform track.

2. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: The homogenizing furnace is composed of a homogenizing furnace body, a homogenizing front furnace door and a homogenizing rear furnace door. The homogenizing front furnace door can be opened to seal the inlet of the homogenizing furnace body, and the homogenizing rear furnace door can be opened to seal the outlet of the homogenizing furnace body.

3. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: The homogenizing furnaces are arranged in parallel in a plurality, the furnace inlet transport track is vertically arranged with the first transverse transport platform, and the furnace outlet transport track is vertically arranged with the second transverse transport platform.

4. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: The cooling platform tracks are multiple sets arranged in parallel, and each set of the cooling platform tracks corresponds to a group of the cooling fans.

5. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: The cooling platform track and the second transverse transport platform are arranged in parallel, and a heat insulation device is provided between the cooling platform track and the second transverse transport platform.

6. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: A plurality of infrared temperature measuring sensors are arranged in sequence along the conveying direction of the cooling table track, and each of the infrared temperature measuring sensors is used to monitor the cooling speed of the aluminum rod in real time.

7. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: The cooling table track is provided with a clamping position matched with aluminum bars of different sizes, and the clamping position is used to prevent the aluminum bars from sliding when being transported on the cooling table track.

8. The rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: Corresponding heat preservation boxes are provided corresponding to the furnace-outgoing transport track and the second transverse transport platform, and the furnace-outgoing transport track and the second transverse transport platform are located in the heat preservation boxes for heat preservation.

9. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: A water mist spray device is added to the front end of the cooling table track.

10. A rapid cooling aluminum rod homogenization production line according to claim 1, characterized in that: A water or water mist spraying device is provided corresponding to the tail section of the cooling platform track.

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