Horizontal extruding machine for producing micro-channel zinc-sprayed aluminum flat pipe

By designing a horizontal extrusion press with a limiting plate and a lifting pressure roller structure, the problems of mold stability and precision in the production of microchannel flat tubes were solved. This enabled flexible mold fixing and precise control of the extrusion process, thereby improving production efficiency and product quality.

CN223531110UActive Publication Date: 2025-11-11BANG DE SAN RE KE JI (SU ZHOU) YOU XIAN GONG SI
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Patent Information

Application Number
CN202423069001.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-11
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing extrusion equipment cannot meet the precision and stability requirements for microchannel flat tube production, and die displacement is prone to occur during the extrusion process, resulting in inflexible pressure control.

Method used

A horizontal extrusion press for producing microchannel zinc-aluminum flat tubes was designed. It adopts a limiting plate and a lifting pressure roller structure. The position of the limiting plate is adjusted by a one-way screw to fix the extrusion die, and the extrusion height is adjusted by the lifting pressure roller to achieve the stability of the die and the extrusion accuracy.

Benefits of technology

It enhances the stability of the extrusion die and the precise control of the extrusion process, thereby improving production efficiency and product quality.

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Abstract

The utility model belongs to the technical field of micro-channel zinc-sprayed aluminum flat tube production equipment, and particularly relates to a horizontal extruder for micro-channel zinc-sprayed aluminum flat tube production, which comprises a bottom frame, a base is fixedly connected to one side of the upper surface of the bottom frame, and a driving component is fixedly connected to the other side of the upper surface of the bottom frame. A first supporting plate and a second supporting plate are fixedly connected to the upper surface of the base, a connecting plate is fixedly connected between the first supporting plate and the second supporting plate, and the output end of the driving assembly penetrates through the first supporting plate and is rotationally connected with an extrusion wheel. The position of the limiting plate is adjusted by rotating the one-way lead screw until the limiting plate is attached to the extrusion die, so that the stability of the extrusion die is enhanced; during use, molds of different models can be fixed, so that the flexibility is improved; and the height of the compaction wheel is adjusted by rotating the threaded rod, so that the size of the primarily extruded aluminum pipe is adjusted, and the production efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of microchannel zinc-aluminum flat tube production equipment, specifically a horizontal extrusion press for microchannel zinc-aluminum flat tube production. Background Technology

[0002] Parallel flow aluminum flat tubes, also known as microchannel aluminum flat tubes, are thin-walled, porous, flat tubular materials. After surface zinc spraying for corrosion protection, they become parallel flow zinc-sprayed aluminum flat tubes, mainly used in air conditioning systems with various refrigerants as piping components carrying new environmentally friendly refrigerants. Extrusion equipment is used in the processing of aluminum flat tubes.

[0003] However, existing extrusion equipment cannot meet the special requirements of precision and process for microchannel flat tube production in terms of structure and function, making it difficult to guarantee the uniformity of microchannels and the dimensional accuracy of flat tubes; moreover, vibration during the extrusion process can easily cause displacement of the extrusion die, resulting in poor stability; in addition, the pressure control of the tube during the extrusion process is not flexible enough. Summary of the Invention

[0004] The purpose of this invention is to provide a horizontal extrusion press for producing microchannel zinc-aluminum flat tubes, which facilitates the replacement of extrusion dies and enhances the stability of die placement; in addition, it can precisely control the extrusion process during use, optimize the tube output process, and improve production efficiency and product quality.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a horizontal extrusion press for producing microchannel zinc-aluminum flat tubes is provided, comprising: a base frame, a base fixedly connected to one side of the upper surface of the base frame, a drive assembly fixedly connected to the other side of the upper surface of the base frame, a first support plate and a second support plate fixedly connected to the upper surface of the base, a connecting plate fixedly connected between the first support plate and the second support plate, an extrusion wheel rotatably connected to the output end of the drive assembly through the first support plate, a second extrusion groove embedded in the annular surface of the extrusion wheel, a third groove on the surface of the first support plate, and a lifting pressure wheel slidably connected inside the third groove;

[0006] A fixed seat is fixedly connected to the upper end of the base, and a U-shaped plate is fixedly connected to the upper end of the fixed seat. A first groove is formed on the lower surface of the U-shaped plate. A one-way screw is rotatably connected inside the first groove. A moving block is threadedly connected to the outer surface of the one-way screw. A limiting plate is fixedly connected to the upper surface of the moving block. A first slider is fixedly connected to both the left and right surfaces of the limiting plate. The moving block is slidably connected to the first groove. A second groove is formed at the lower end of both sides inside the U-shaped plate. The second groove is slidably connected to the first slider. An extrusion mold is placed inside the U-shaped plate.

[0007] Optionally, the drive assembly includes a speed reducer and a motor, the speed reducer being fixedly connected to the base frame, and the motor being fixedly connected to the end of the speed reducer away from the first support plate.

[0008] Optionally, the lifting pressure roller includes a screw, which is threadedly connected to a connecting plate. A fixed block is rotatably connected to the lower end of the screw. A rotating rod is rotatably connected to one side surface of the fixed block. A second slider is fixedly connected to the other side surface of the fixed block. The second slider is slidably connected to a third groove. A compaction roller is fixedly connected to one end of the rotating rod.

[0009] Optionally, the extrusion die includes a base plate placed on the upper surface of a U-shaped plate. Slide grooves are provided at the upper ends of both inner surfaces of the U-shaped plate. A first die is fixedly connected to the upper end of the base plate. Clamping blocks are fixedly connected to both sides of the first die, and the clamping blocks are slidably connected inside the slide grooves. A fitting plate is fixedly connected to the upper end of the first die. A plug is fixedly connected to the side of the first die near the extrusion wheel, and the plug fits into the first extrusion groove on the annular surface of the extrusion wheel. An extrusion hole is provided on the side of the first die away from the extrusion wheel.

[0010] Optionally, the bonding plate is arc-shaped, and the lower surface of the bonding plate is bonded to the outer surface of the extrusion roller.

[0011] Optionally, the annular surface of the extrusion wheel is provided with a first extrusion groove, the width of which is the same as that of the second extrusion groove.

[0012] Optionally, one end of the one-way lead screw passes through the outer side of the U-shaped plate, and a fixed disc is rotatably connected to one end of the one-way lead screw.

[0013] Optionally, a transition belt is fixedly connected to the side of the base frame, a support frame is fixedly connected to the upper surface of the transition belt, a conveying port is fixedly connected to the top of the support frame, and the output port of the conveying port matches the first extrusion groove on the extrusion wheel.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In use, the position of the limiting plate is adjusted by rotating the one-way lead screw until the limiting plate fits against the extrusion die, thereby fixing the extrusion die and enhancing its stability.

[0016] When it is necessary to replace the extrusion mold, remove the snap-fit ​​block from the upper end of the slide groove on both sides of the inner surface of the U-shaped plate, replace the new extrusion mold, and then adjust the limiting plate to fix it. This allows for the fixing of different types of molds, improving flexibility.

[0017] By setting up lifting pressure rollers and rotating the threaded rod to precisely adjust the height of the compaction rollers, the size of the initially extruded aluminum tubes can be adjusted. The heat generated during extrusion causes the aluminum tubes to bend and deform, and then they enter the extrusion die for secondary extrusion, thereby improving production efficiency and product quality. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0021] Figure 3 This is a schematic diagram of the installation of the extrusion wheel of this utility model;

[0022] Figure 4 This is a schematic diagram of the extrusion die of this utility model;

[0023] Figure 5 This is a cross-sectional schematic diagram of the base of this utility model;

[0024] Figure 6 This is a schematic diagram of the lifting pressure roller of this utility model.

[0025] In the diagram: 1. Base frame; 2. Base; 3. Drive assembly; 301. Reducer; 302. Motor; 4. First support plate; 5. Second support plate; 6. Connecting plate; 7. Extrusion roller; 8. Extrusion die; 801. Base plate; 802. First die; 803. Clip block; 804. Adhesive plate; 805. Plug; 806. Extrusion hole; 9. Lifting pressure roller; 901. Screw; 902. Fixing block; 903. Rotating rod; 904. Second slider; 905. Compacting roller; 10. Fixing plate; 11. Fixing seat; 12. U-shaped plate; 13. One-way lead screw; 14. Moving block; 15. Limiting plate; 16. First slider; 20. Transition belt; 21. Support frame; 22. Conveying port. Detailed Implementation

[0026] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0027] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] The present invention provides a description of a horizontal extrusion press for producing microchannel zinc-aluminum sprayed flat tubes. The horizontal extrusion press for producing microchannel zinc-aluminum sprayed flat tubes includes a base frame 1. A base 2 is fixedly connected to one side of the upper surface of the base frame 1, and a drive assembly 3 is fixedly connected to the other side of the upper surface of the base frame 1. A first support plate 4 and a second support plate 5 are fixedly connected to the upper surface of the base 2. A connecting plate 6 is fixedly connected between the first support plate 4 and the second support plate 5. The output end of the drive assembly 3 passes through the first support plate 4 and is rotatably connected to an extrusion wheel 7. A first extrusion groove is embedded in the annular surface of the extrusion wheel 7. A third groove is formed on the surface of the first support plate 4, and a lifting pressure wheel 9 is slidably connected inside the third groove.

[0031] A fixed base 11 is fixedly connected to the upper end of the base 2. A U-shaped plate 12 is fixedly connected to the upper end of the fixed base 11. A first groove is formed on the lower surface of the U-shaped plate 12. A one-way screw 13 is rotatably connected inside the first groove. A moving block 14 is threadedly connected to the outer surface of the one-way screw 13. A limiting plate 15 is fixedly connected to the upper surface of the moving block 14. A first slider 16 is fixedly connected to both the left and right surfaces of the limiting plate 15. The moving block 14 is slidably connected to the first groove. A second groove is formed at the lower end of both sides inside the U-shaped plate 12. The second groove is slidably connected to the first slider 16. An extrusion mold 8 is placed inside the U-shaped plate 12.

[0032] In this embodiment of the utility model, please refer to Figure 1 and Figure 2 The drive assembly 3 includes a reducer 301 and a motor 302. The reducer 301 is fixedly connected to the base frame 1. The motor 302 is fixedly connected to the end of the reducer 301 away from the first support plate 4. The motor 302 is the power source. After being reduced by the reducer 301, it drives the extrusion wheel 7 to rotate, providing stable power for the extrusion process.

[0033] In this embodiment of the utility model, please refer to Figures 2 to 6 The lifting pressure roller 9 includes a screw 901, which is threadedly connected to the connecting plate 6. A fixing block 902 is rotatably connected to the lower end of the screw 901. A rotating rod 903 is rotatably connected to one side surface of the fixing block 902. A second slider 904 is fixedly connected to the other side surface of the fixing block 902. The second slider 904 is slidably connected to the third groove. A compaction roller 905 is fixedly connected to one end of the rotating rod 903. The height of the compaction roller 905 can be adjusted by rotating the screw 901. It works with the extrusion roller 7 to compact the aluminum flat tube, and can accurately adjust the thickness of the aluminum flat tube to be extruded.

[0034] In this embodiment of the utility model, please refer to Figures 1 to 5 The extrusion die 8 includes a base plate 801, which is placed on the upper surface of a U-shaped plate 12. Slide grooves are provided on the upper ends of both inner surfaces of the U-shaped plate 12. A first die 802 is fixedly connected to the upper end of the base plate 801. Clip-on blocks 803 are fixedly connected to both sides of the first die 802, and the clip-on blocks 803 are slidably connected inside the slide grooves. A fitting plate 804 is fixedly connected to the upper end of the first die 802. A plug 805 is fixedly connected to the side of the first die 802 closest to the extrusion wheel 7. The plug 805 fits into the first extrusion groove on the annular surface of the extrusion wheel 7. An extrusion hole 806 is provided on the side of the first die 802 furthest from the extrusion wheel 7. This structure guides the initially formed aluminum tube to undergo a second extrusion within the die. After the first extrusion, the aluminum tube enters the extrusion die 8 through the plug 805 for further extrusion, forming a flat tube and microchannels. The extruded aluminum tube is discharged through the extrusion hole 806.

[0035] In this embodiment of the utility model, please refer to Figures 1 to 3 The bonding plate 804 is arc-shaped, and its lower surface is bonded to the outer surface of the extrusion roller 7, so that the mold can better fit with the extrusion roller 7 during use.

[0036] In this embodiment of the utility model, please refer to Figures 1 to 6 The annular surface of the compaction roller 905 is embedded with a second extrusion groove. The width of the first extrusion groove and the second extrusion groove are the same to ensure uniform extrusion of the pipe.

[0037] In this embodiment of the utility model, please refer to Figure 2 and Figure 3 One end of the one-way screw 13 passes through the outer side of the U-shaped plate 12, and the other end of the one-way screw 13 is rotatably connected to the fixing plate 10. In use, the position of the limiting plate 15 is adjusted by rotating the one-way screw 13 so that it fits with the extrusion mold 8. After adjustment, it is fixed by the fixing plate 10 to enhance stability.

[0038] In this embodiment of the utility model, please refer to Figure 1 and Figure 2 A transition belt 20 is fixedly connected to the side of the base frame 1, and a support frame 21 is fixedly connected to the upper surface of the transition belt 20. A conveying port 22 is fixedly connected to the top of the support frame 21. The output port of the conveying port 22 matches the first extrusion groove on the extrusion roller 7. When in use, the aluminum material used to produce aluminum flat tubes enters the extrusion groove of the extrusion roller 7 from the conveying port 22 and is initially extruded by the drive component 3.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A horizontal extrusion press for producing microchannel zinc-aluminum flat tubes, comprising a base frame (1), characterized in that: A base (2) is fixedly connected to one side of the upper surface of the base frame (1), and a drive assembly (3) is fixedly connected to the other side of the upper surface of the base frame (1). A first support plate (4) and a second support plate (5) are fixedly connected to the upper surface of the base (2). A connecting plate (6) is fixedly connected between the first support plate (4) and the second support plate (5). The output end of the drive assembly (3) passes through the first support plate (4) and is rotatably connected to an extrusion wheel (7). A first extrusion groove is embedded in the annular surface of the extrusion wheel (7). A third groove is opened on the surface of the first support plate (4). A lifting pressure wheel (9) is slidably connected inside the third groove. The upper end of the base (2) is fixedly connected to a fixed seat (11), and the upper end of the fixed seat (11) is fixedly connected to a U-shaped plate (12). The lower surface of the U-shaped plate (12) is provided with a first groove. A one-way screw (13) is rotatably connected inside the first groove. A moving block (14) is threadedly connected to the outer surface of the one-way screw (13). A limiting plate (15) is fixedly connected to the upper surface of the moving block (14). A first slider (16) is fixedly connected to both the left and right surfaces of the limiting plate (15). The moving block (14) is slidably connected to the first groove. A second groove is provided at the lower end of both sides inside the U-shaped plate (12). The second groove is slidably connected to the first slider (16). An extrusion mold (8) is placed inside the U-shaped plate (12).

2. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 1, characterized in that: The drive assembly (3) includes a speed reducer (301) and a motor (302). The speed reducer (301) is fixedly connected to the base frame (1), and the motor (302) is fixedly connected to the end of the speed reducer (301) away from the first support plate (4).

3. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 1, characterized in that: The lifting pressure roller (9) includes a screw (901), which is threadedly connected to the connecting plate (6). A fixing block (902) is rotatably connected to the lower end of the screw (901). A rotating rod (903) is rotatably connected to one side surface of the fixing block (902). A second slider (904) is fixedly connected to the other side surface of the fixing block (902). The second slider (904) is slidably connected to a third groove. A compaction roller (905) is fixedly connected to one end of the rotating rod (903).

4. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 1, characterized in that: The extrusion die (8) includes a base plate (801) placed on the upper surface of a U-shaped plate (12). The upper ends of both sides of the inner surface of the U-shaped plate (12) are provided with sliding grooves. The upper end of the base plate (801) is fixedly connected to a first die (802). The two sides of the first die (802) are fixedly connected to snap-fit ​​blocks (803), which are slidably connected to the inside of the sliding grooves. The upper end of the first die (802) is fixedly connected to a fitting plate (804). The side of the first die (802) near the extrusion wheel (7) is fixedly connected to a plug (805). The plug (805) fits into the first extrusion groove on the annular surface of the extrusion wheel (7). The side of the first die (802) away from the extrusion wheel (7) is provided with an extrusion hole (806).

5. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 4, characterized in that: The bonding plate (804) is arc-shaped, and the lower surface of the bonding plate (804) is bonded to the outer surface of the extrusion roller (7).

6. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 3, characterized in that: The annular surface of the compaction wheel (905) is provided with a second extrusion groove, and the width of the first extrusion groove and the second extrusion groove are the same.

7. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 1, characterized in that: One end of the one-way lead screw (13) passes through the outer side of the U-shaped plate (12), and the other end of the one-way lead screw (13) is rotatably connected to a fixed plate (10).

8. The horizontal extrusion press for producing microchannel zinc-aluminum flat tubes as described in claim 1, characterized in that: A transition belt (20) is fixedly connected to the side of the base frame (1), a support frame (21) is fixedly connected to the upper surface of the transition belt (20), and a conveying port (22) is fixedly connected to the top of the support frame (21). The output port of the conveying port (22) is matched with the first extrusion groove on the extrusion wheel (7).