Aluminum pipe drawing machine

Abstract

The invention discloses an aluminum pipe drawing machine. The aluminum pipe drawing machine comprises a rack, and a die holder, a driving device, a first belt drawing device, a second belt drawing device and an adjusting device which are arranged on the rack, the die holder is positioned at the front end; the driving device is connected with the first belt drawing device and the second belt drawing device; the first belt drawing device and the second belt drawing device are in butt joint with the rear end of the die holder and are oppositely arranged in the vertical direction. The adjusting device is connected with the first belt drawing device and the second belt drawing device and used for adjusting the distance between the first belt drawing device and the second belt drawing device. The first straightening device is in butt joint with the front end of the die holder and is used for straightening the front end of the aluminum pipe; the aluminum pipe is arranged between the first belt drawing device and the second belt drawing device in a penetrating mode so that the aluminum pipe can be drawn to penetrate through the die holder. According to the aluminum pipe drawing device, continuous drawing of an aluminum pipe can be achieved, the drawing efficiency of the aluminum pipe is improved, the drawing precision of the aluminum pipe is improved, and the use requirement is met.

Description

Technical Field

[0001] The invention relates to the field of aluminum tube processing equipment, in particular to an aluminum tube drawing machine. Background Art

[0002] The production process of aluminum tubes includes heat treatment of aluminum columns, hot sawing, pultrusion, straightening and other processes. Among them, the aluminum tube needs to be drawn after pultrusion to improve the precision of the aluminum tube. In the existing equipment, the end of the aluminum tube is first inserted into the inner mold, and then the whole is inserted into the outer mold. The aluminum tube is clamped by a gripping mechanism and drawn. The diameter of the aluminum tube is reduced and the precision is improved through the cooperation of the inner mold and the outer mold. However, this drawing process is intermittent, that is, the gripping mechanism needs to be reset after drawing a section of aluminum tube driven by the motion mechanism, and the process of passing through the inner mold and the outer mold is repeated before the next aluminum tube drawing can be carried out. This equipment has the following disadvantages: 1. The drawing efficiency is low, and it cannot meet the drawing requirements of continuous aluminum tubes. 2. Part of the material at the front end of each section of aluminum tube needs to be discarded, resulting in a certain amount of waste. 3. The drawing precision is insufficient, which affects the subsequent use. Therefore, an aluminum tube drawing machine is urgently needed to solve the above problems. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides an aluminum tube drawing machine.

[0004] An embodiment of the present invention solves the technical problem by adopting a technical solution: an aluminum tube drawing machine, comprising a frame and a die base arranged on the frame, a driving device, a first belt drawing device, a second belt drawing device and an adjusting device;

[0005] The mold base is located at the front end;

[0006] The driving device is connected to the first belt pulling device and the second belt pulling device;

[0007] The first belt pulling device and the second belt pulling device are connected to the rear end of the mold base and are arranged opposite to each other in the vertical direction;

[0008] The adjusting device is connected to the first belt pulling device and the second belt pulling device respectively, and is used to adjust the distance between the first belt pulling device and the second belt pulling device;

[0009] It also includes a first straightening device connected to the front end of the die base, and is used to straighten the front end of the aluminum tube;

[0010] The aluminum tube is passed between the first belt pulling device and the second belt pulling device to pull the aluminum tube through the die base.

[0011] As one of the preferred embodiments of the present invention, the driving device includes a variable frequency motor and a dual output shaft reducer connected to the output end of the variable frequency motor, the first output shaft of the dual output shaft reducer is connected to the first belt pulling device, and the second output shaft is connected to the second belt pulling device.

[0012] As one of the preferred embodiments of the present invention, the first belt pulling device includes a first driving wheel, a first driven wheel and a first belt. The first driving wheel is located on one side of the frame and is connected to the driving device. The first driven wheel is located on the other side of the frame. The first belt is sleeved on the first driving wheel and the first driven wheel and a drawing groove is provided on the outer wall thereof. The aluminum tube extends into the drawing groove.

[0013] As one of the preferred embodiments of the present invention, the adjustment device includes a plurality of first adjustment components connected to the first belt pulling device and arranged at intervals along the length direction thereof, and a plurality of second adjustment components connected to the second belt pulling device and arranged at intervals along the length direction thereof, and the first adjustment components and the second adjustment components can adjust the distance between the first belt pulling device and the second belt pulling device.

[0014] As one of the preferred embodiments of the present invention, the first adjustment assembly includes a first movable frame, a first screw rod, a second screw rod, a first slide rail mechanism, a second slide rail mechanism, a first hand wheel, a second hand wheel and a plurality of first pressure wheels;

[0015] The first screw rod and the second screw rod are respectively threadedly connected to two sides of the first movable frame;

[0016] The first slide rail mechanism and the second slide rail mechanism are respectively connected between the two sides of the first movable frame and the frame;

[0017] The first hand wheel is connected to the first screw rod, and the second hand wheel is connected to the second screw rod;

[0018] The first pressing wheels are mounted on the first movable frame and are arranged at intervals along the length direction of the first belt pulling device;

[0019] The first movable frame can drive the first pressing wheel to approach or move away from the second belt pulling device when the first hand wheel and / or the second hand wheel are rotated.

[0020] As one of the preferred embodiments of the present invention, an auxiliary wheel is arranged between the first movable frame and the first belt pulling device.

[0021] As one of the preferred embodiments of the present invention, the second adjustment assembly includes a second movable frame, a third slide rail mechanism, a fourth slide rail mechanism, a first cylinder, a second cylinder and a plurality of second pressure wheels;

[0022] The third slide rail mechanism and the fourth slide rail mechanism are respectively connected between the two sides of the second movable frame and the frame;

[0023] The first cylinder and the second cylinder are mounted on the frame and are respectively connected to two sides of the second movable frame;

[0024] The second pressing wheels are mounted on the second movable frame and are arranged at intervals along the length direction of the second belt pulling device;

[0025] The second movable frame can drive the second pressing wheel to approach or move away from the first belt pulling device when the first cylinder and / or the second cylinder is in motion.

[0026] As one of the preferred embodiments of the present invention, it also includes a second straightening device connected between the mold base and the first belt pulling device and the second belt pulling device, which is used to straighten the rear end of the aluminum tube.

[0027] As one of the preferred embodiments of the present invention, the mold base is connected to the frame through a fine-tuning device for adjusting the position of the mold base in the horizontal and / or vertical direction.

[0028] As one of the preferred embodiments of the present invention, an aluminum tube drawing machine also includes a cooling device connected between the die base and the first belt drawing device and the second belt drawing device, which is used to cool the aluminum tube after drawing.

[0029] The beneficial effects of the present invention are as follows: an aluminum tube drawing machine comprises a frame and a die base, a driving device, a first belt pulling device, a second belt pulling device and an adjusting device arranged on the frame; the die base is located at the front end; the driving device is connected to the first belt pulling device and the second belt pulling device; the first belt pulling device and the second belt pulling device are connected to the rear end of the die base and are arranged opposite to each other in the vertical direction; the adjusting device is connected to the first belt pulling device and the second belt pulling device, respectively, and is used to adjust the distance between the first belt pulling device and the second belt pulling device; it also includes a first straightening device connected to the front end of the die base, which is used to straighten the front end of the aluminum tube; the aluminum tube is inserted between the first belt pulling device and the second belt pulling device to draw the aluminum tube through the die base; the above structure can realize continuous drawing of the aluminum tube, which not only improves the drawing efficiency of the aluminum tube, but also improves the drawing accuracy of the aluminum tube to meet the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0031] Figure 1 It is a first structural schematic diagram of an aluminum tube drawing machine;

[0032] Figure 2 is a second structural schematic diagram of an aluminum tube drawing machine;

[0033] Figure 3 for Figure 1A partial enlarged view of the middle A area;

[0034] Figure 4 for Figure 2 A partial enlarged view of the middle B area;

[0035] Figure 5 for Figure 1 A partial enlarged view of the middle C area;

[0036] Figure 6 for Figure 1 A partial enlarged view of the D area in the middle;

[0037] Figure 7 for Figure 1 A partial enlarged view of the middle E area;

[0038] Figure 8 for Figure 1 A partial enlarged view of the F area. DETAILED DESCRIPTION

[0039] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0040] In the description of the present invention, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0041] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations 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 therefore should not be understood as a limitation on the present invention.

[0042] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0043] Reference Figures 1 to 8 , an aluminum tube drawing machine, comprising a frame 100 and a die base 200 arranged on the frame 100, a driving device 300, a first belt pulling device 400, a second belt pulling device 500 and an adjusting device 600;

[0044] The mold base 200 is located at the front end;

[0045] The driving device 300 is connected to the first belt pulling device 400 and the second belt pulling device 500;

[0046] The first belt pulling device 400 and the second belt pulling device 500 are connected to the rear end of the mold base 200 and are arranged opposite to each other in the vertical direction;

[0047] The adjusting device 600 is connected to the first belt pulling device 400 and the second belt pulling device 500 respectively, and is used to adjust the distance between the first belt pulling device 400 and the second belt pulling device 500;

[0048] The aluminum tube is inserted between the first belt pulling device 400 and the second belt pulling device 500 to pull the aluminum tube through the die base 200 .

[0049] 1) In the present invention, the aluminum tube after pultrusion is sent into the die base 200. Specifically, the die base 200 includes an inner die and an outer die. The aluminum tube is inserted into the inner die, and then the inner die and the aluminum tube are inserted into the outer die together, and then pulled between the first belt pulling device 400 and the second belt pulling device 500. The adjustment device 600 is used to adjust the distance between the first belt pulling device 400 and the second belt pulling device 500 so that the first belt pulling device 400 and the second belt pulling device 500 can be pressed against the aluminum tube, and then the driving device 300 is started to drive the first belt pulling device 400 and the second belt pulling device 500 to rotate, so as to Figure 1 Taking the perspective of as an example, the driving device 300 drives the first belt pulling device 400 to rotate counterclockwise and drives the second belt pulling device 500 to rotate clockwise, so as to pull the aluminum tube backward; after the shrinkage of the die base 200, the diameter and wall thickness of the aluminum tube are changed, and the drawing process of the aluminum tube is completed.

[0050] 2)Reference Figure 1-Figure 2 In some embodiments, the driving device 300 includes a variable frequency motor 310 and a dual output shaft reducer 320 connected to the output end of the variable frequency motor 310, the first output shaft of the dual output shaft reducer 320 is connected to the first belt pulling device 400, and the second output shaft is connected to the second belt pulling device 500; by setting a dual output shaft reducer 320, the first belt pulling device 400 and the second belt pulling device 500 can be driven simultaneously.

[0051] 3)Reference Figure 1-Figure 3 as well as Figure 5 In some embodiments, an aluminum tube drawing machine further includes a first straightening device 710 connected to the front end of the die base 200 for straightening the front end of the aluminum tube; and / or further includes a second straightening device 720 connected to the die base 200 and between the first belt pulling device 400 and the second belt pulling device 500 for straightening the rear end of the aluminum tube.

[0052] Specifically, the first straightening device 710 includes two groups of first straightening wheel assemblies 711, one group of second straightening wheel assemblies 712, one group of third straightening wheel assemblies 713 and two groups of fourth straightening wheel assemblies 714 arranged in sequence, each straightening wheel assembly includes a wheel body, a screw and a handwheel, and the screw is driven to rotate by turning the handwheel and converted into linear motion of the wheel body, and the second straightening wheel assembly 712 and the third straightening wheel assembly 713 are respectively located on both sides of the aluminum tube and are staggered in the length direction of the aluminum tube, so as to achieve straightening of the front end of the aluminum tube; and the second straightening device 720 includes two groups of fifth straightening wheel assemblies, and the fifth straightening wheel assemblies each include a wheel body 721, a screw and an adjusting knob 722, and the screw is driven to rotate by turning the adjusting knob 722 and converted into linear motion of the wheel body 721, so as to achieve straightening of the rear end of the aluminum tube.

[0053] 4)Reference Figure 1-Figure 2 as well as Figure 4 , in some embodiments, the mold base 200 is connected to the frame 100 via a fine-tuning device 800 for adjusting the position of the mold base 200 in the horizontal and / or vertical direction;

[0054] Specifically, the fine-tuning device 800 includes an adjustment seat 820, two groups of fifth slide rail mechanisms 810 and two groups of sixth slide rail mechanisms 830. The mold base 200 is installed on the adjustment seat 820 through the two groups of fifth slide rail mechanisms 810, and the adjustment seat 820 is installed on the frame 100 through the two groups of sixth slide rail mechanisms 830, wherein the fifth slide rail mechanism 810 is arranged in the vertical direction and the sixth slide rail mechanism 830 is arranged in the horizontal direction; it can achieve fine-tuning of the position of the aluminum tube so that the aluminum tube is better relative to the first belt pulling device 400 and the second belt pulling device 500.

[0055] 5)Reference Figure 1 and Figure 5 In some embodiments, an aluminum tube drawing machine further includes a cooling device 900 connected between the die base 200 and the first belt drawing device 400 and the second belt drawing device 500, for cooling the aluminum tube after drawing.

[0056] Specifically, the cooling device 900 includes an upper cooling seat 910, a lower cooling seat 920 and ventilation holes arranged on the upper cooling seat 910 and / or the lower cooling seat 920. The upper cooling seat 910 and the lower cooling seat 920 together enclose a cooling groove. The aluminum tube is inserted into the cooling groove. The ventilation holes are connected to the cooling groove and connected to an external air source. The external air source introduces air into the cooling groove through the ventilation holes, thereby achieving air cooling of the aluminum tube, which can avoid the aluminum tube after being drawn by the mold base 200 from being too high and causing damage to the first belt pulling device 400 and the second belt pulling device 500; of course, the cooling device 900 can also adopt cooling methods such as water cooling.

[0057] 6)Reference Figure 1-Figure 2 , Figure 5-Figure 8 In some embodiments, the first belt pulling device 400 includes a first driving wheel 410, a first driven wheel 420 and a first belt 430. The first driving wheel 410 is located on one side of the frame 100 and is connected to the driving device 300. The first driven wheel 420 is located on the other side of the frame 100. The first belt 430 is sleeved on the first driving wheel 410 and the first driven wheel 420 and a drawing groove 440 is provided on the outer wall thereof, and the aluminum tube extends into the drawing groove 440. Preferably, the second belt pulling device 500 includes a second driving wheel 510, a second driven wheel 520 and a second belt 530. The second driving wheel 510 is located on one side of the frame 100 and is connected to the driving device 300. The first driven wheel 420 is located on the other side of the frame 100. The first belt 430 is sleeved on the first driving wheel 410 and the first driven wheel 420 and a drawing groove 440 is provided on the outer wall thereof. The aluminum tube extends into the drawing groove 440. The device 300 is connected, the second driven wheel 520 is located on the other side of the frame 100, the second belt 530 is sleeved on the second driving wheel 510 and the second driven wheel 520 and a drawing groove 540 is provided on the outer wall thereof, and the aluminum tube extends into the drawing groove 540; it should be noted that the outer wall of the first driving wheel 410, the outer wall of the first driven wheel 420 and the inner wall of the first belt 430 are provided with a first V-shaped groove 450, and the outer wall of the second driving wheel 510, the outer wall of the second driven wheel 520 and the inner wall of the second belt 530 are provided with a second V-shaped groove 550, which can play a role in limiting the belt and preventing the belt from swinging sideways relative to the driving wheel and the driven wheel during rotation.

[0058] 7)Reference Figure 1-Figure 2 , Figure 5-Figure 8 In some embodiments, the adjustment device 600 includes a plurality of first adjustment components 610 connected to the first belt pulling device 400 and arranged at intervals along the length direction thereof, and a plurality of second adjustment components 620 connected to the second belt pulling device 500 and arranged at intervals along the length direction thereof. The first adjustment components 610 and the second adjustment components 620 can adjust the distance between the first belt pulling device 400 and the second belt pulling device 500.

[0059] As a preferred embodiment of the first adjustment component 610, the first adjustment component 610 includes a first movable frame 611, a first screw rod 612, a second screw rod 613, a first slide rail mechanism 614, a second slide rail mechanism 615, a first hand wheel 616, a second hand wheel 617 and a plurality of first pressure wheels 618; the first screw rod 612 and the second screw rod 613 are respectively threadedly connected to the two sides of the first movable frame 611; the first slide rail mechanism 614 and the second slide rail mechanism 615 are respectively connected between the two sides of the first movable frame 611 and the frame 100; the first hand wheel 616 is connected to the first screw rod 612, and the second hand wheel 617 is connected to the second screw rod 613; the first pressure wheels 618 are installed on the first movable frame 611 and are arranged at intervals along the length direction of the first belt pulling device 400; the first movable frame 611 can drive the first pressure wheel 618 to approach or move away from the second belt pulling device 500 when the first hand wheel 616 and / or the second hand wheel 617 are rotated.

[0060] As a preferred embodiment of the second adjustment component 620, the second adjustment component 620 includes a second movable frame 621, a third slide rail mechanism 622, a fourth slide rail mechanism 623, a first cylinder 624, a second cylinder 625 and a plurality of second pressure wheels 626; the third slide rail mechanism 622 and the fourth slide rail mechanism 623 are respectively connected between the two sides of the second movable frame 621 and the frame 100; the first cylinder 624 and the second cylinder 625 are installed on the frame 100 and are respectively connected to the two sides of the second movable frame 621; the second pressure wheels 626 are installed on the second movable frame 621 and are arranged at intervals along the length direction of the second belt pulling device 500; the second movable frame 621 can drive the second pressure wheels 626 to approach or move away from the first belt pulling device 400 when the first cylinder 624 and / or the second cylinder 625 are actuated.

[0061] Specifically, the first adjustment component 610 and the second adjustment component 620 are preferably set to three groups, which can increase the adjustable range of the aluminum tube during the drawing process, that is, three-stage adjustment, and the second adjustment component 620 uses a cylinder to realize the second movable frame 621, which is mainly used to tighten the second belt 530; the first adjustment component 610 is used to fine-tune the distance between the first belt 430 and the second belt 530, that is, to meet the drawing requirements of aluminum tubes with different diameters; it should be noted that the drawing machine provided by the present invention can be used in combination with multiple units to continuously improve the accuracy by gradually reducing the tube diameter and tube thickness, and is preferably used in combination with two drawing machines.

[0062] 8)Reference Figure 1-Figure 2 as well as Figure 6 , in some embodiments, an auxiliary wheel 619 is provided between the first movable frame 611 and the first belt pulling device 400;

[0063] 9) The advantage of the present invention is that the above structure can realize continuous drawing of the aluminum tube, which not only improves the drawing efficiency of the aluminum tube, but also improves the drawing accuracy of the aluminum tube to meet the use requirements.

[0064] Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. An aluminum tube drawing machine, characterized in that: It comprises a frame (100), a mold base (200) arranged on the frame (100), a driving device (300), a first belt pulling device (400), a second belt pulling device (500), and an adjusting device (600); The mold base (200) is located at the front end; The driving device (300) is connected to the first belt pulling device (400) and the second belt pulling device (500); The first belt pulling device (400) and the second belt pulling device (500) are connected to the rear end of the mold base (200) and are arranged opposite to each other in the vertical direction; The adjusting device (600) is connected to the first belt pulling device (400) and the second belt pulling device (500) respectively, and is used to adjust the distance between the first belt pulling device (400) and the second belt pulling device (500); It also includes a first straightening device (710) connected to the front end of the die base (200) and used for straightening the front end of the aluminum tube; The aluminum tube is inserted between the first belt pulling device (400) and the second belt pulling device (500) so as to pull the aluminum tube through the mold base (200).

2. The aluminum tube drawing machine according to claim 1, characterized in that: The driving device (300) comprises a variable frequency motor (310) and a dual output shaft reducer (320) connected to the output end of the variable frequency motor (310), wherein the first output shaft of the dual output shaft reducer (320) is connected to the first belt pulling device (400), and the second output shaft is connected to the second belt pulling device (500).

3. The aluminum tube drawing machine according to claim 1, characterized in that: The first belt pulling device (400) comprises a first driving wheel (410), a first driven wheel (420) and a first belt (430); the first driving wheel (410) is located on one side of the frame (100) and connected to the driving device (300); the first driven wheel (420) is located on the other side of the frame (100); the first belt (430) is sleeved on the first driving wheel (410) and the first driven wheel (420) and a pulling groove (440) is provided on the outer wall thereof; an aluminum tube extends into the pulling groove (440).

4. The aluminum tube drawing machine according to claim 1, characterized in that: The adjusting device (600) comprises a plurality of first adjusting components (610) connected to the first belt pulling device (400) and arranged at intervals along the length direction thereof, and a plurality of second adjusting components (620) connected to the second belt pulling device (500) and arranged at intervals along the length direction thereof. The first adjusting components (610) and the second adjusting components (620) can adjust the distance between the first belt pulling device (400) and the second belt pulling device (500).

5. The aluminum tube drawing machine according to claim 4, characterized in that: The first adjustment component (610) comprises a first movable frame (611), a first screw rod (612), a second screw rod (613), a first slide rail mechanism (614), a second slide rail mechanism (615), a first hand wheel (616), a second hand wheel (617) and a plurality of first pressure wheels (618); The first screw rod (612) and the second screw rod (613) are respectively threadedly connected to two sides of the first movable frame (611); The first slide rail mechanism (614) and the second slide rail mechanism (615) are respectively connected between two sides of the first movable frame (611) and the frame (100); The first hand wheel (616) is connected to the first screw rod (612), and the second hand wheel (617) is connected to the second screw rod (613); The first pressing wheels (618) are mounted on the first movable frame (611) and are arranged at intervals along the length direction of the first belt pulling device (400); The first movable frame (611) can drive the first pressure wheel (618) to move closer to or away from the second belt pulling device (500) when the first hand wheel (616) and / or the second hand wheel (617) are rotated.

6. The aluminum tube drawing machine according to claim 4, characterized in that: An auxiliary wheel (619) is provided between the first movable frame (611) and the first belt pulling device (400).

7. The aluminum tube drawing machine according to claim 4, characterized in that: The second adjustment component (620) comprises a second movable frame (621), a third slide rail mechanism (622), a fourth slide rail mechanism (623), a first cylinder (624), a second cylinder (625) and a plurality of second pressure wheels (626); The third slide rail mechanism (622) and the fourth slide rail mechanism (623) are respectively connected between two sides of the second movable frame (621) and the frame (100); The first cylinder (624) and the second cylinder (625) are installed on the frame (100) and are respectively connected to two sides of the second movable frame (621); The second pressing wheels (626) are mounted on the second movable frame (621) and are arranged at intervals along the length direction of the second belt pulling device (500); The second movable frame (621) can drive the second pressure wheel (626) to move closer to or away from the first belt pulling device (400) when the first cylinder (624) and / or the second cylinder (625) are in motion.

8. The aluminum tube drawing machine according to claim 1, characterized in that: It also includes a second straightening device (720) connected between the mold base (200) and the first belt pulling device (400) and the second belt pulling device (500), and is used to straighten the rear end of the aluminum tube.

9. The aluminum tube drawing machine according to claim 1, characterized in that: The mold base (200) is connected to the frame (100) via a fine adjustment device (800) for adjusting the position of the mold base (200) in the horizontal and / or vertical direction.

10. The aluminum tube drawing machine according to claim 1, characterized in that: It also includes a cooling device (900) connected between the die base (200) and the first belt pulling device (400) and the second belt pulling device (500), and is used to cool the aluminum tube after drawing.

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