An aluminum rod conveying system

Abstract

The present application relates to the technical field of aluminum bar conveying, and provides an aluminum bar conveying system for aluminum bar cutting, which comprises a controller, a chain transmission roller conveying system, a conveying motor and a chain self-adjusting assembly. The chain self-adjusting assembly is connected with the adjusting chain disc through the adjusting shaft, the first adjusting rod, the counterweight and the second adjusting rod, and the adjusting block is arranged on the frame above the adjusting roller. The present application can realize self-adjustment of the tightness of the chain and the adjustment range is adjustable, and can realize self-adjustment of the aluminum bar during conveying, thereby improving the stability of the aluminum bar conveying.

Description

Technical Field

[0001] This invention relates to the field of aluminum rod conveying technology, and in particular to an aluminum rod conveying system for aluminum rod cutting. Background Technology

[0002] After aluminum bars are cast on the aluminum molten metal casting production line, each bar needs to be trimmed (head and tail removed) to ensure uniform internal composition. This requires ensuring that each bar meets length requirements while maintaining a smooth, clean cut surface. A conveyor system is used to transport the aluminum bars during the cutting process. However, existing aluminum bar conveying devices operate at unstable speeds, hindering smooth cutting, easily scratching the bars, and posing risks of bars rolling off or getting caught in the metal. Summary of the Invention

[0003] To address the problems existing in the prior art, the present invention provides an aluminum rod conveying system that can achieve self-adjustment of chain tension with an adjustable adjustment range, and simultaneously enable the aluminum rod to self-adjust during conveying, thereby improving the stability of aluminum rod conveying.

[0004] The technical solution of this invention is as follows:

[0005] An aluminum rod conveying system includes a controller and a chain-driven roller conveying system. The chain-driven roller conveying system includes a rectangular frame 2-1, multiple idlers 2-2, a conveying motor, and at least one chain self-adjusting assembly. The idlers 2-2 are supported above the frame 2-1 by bearings. The output shaft of the conveying motor is connected to a drive chain, which is engaged with a chain. Multiple driven chain discs and at least one adjusting chain disc 2-15 are engaged with the inner side of the chain. The multiple driven chain discs are fixedly connected to one end of the rotating shaft of each of the multiple idlers 2-2. The controller is electrically connected to the conveying motor.

[0006] The chain self-adjusting assembly includes an adjusting shaft 2-4, a first adjusting rod 2-6, a counterweight 2-7, a second adjusting rod 2-8, an adjusting block 2-10, a first locking bolt 2-12, a second locking bolt 2-13, an adjusting plate 2-14, and an adjusting roller 2-16. One end of the adjusting shaft 2-4 is fixedly connected to the adjusting chain disc 2-15, and the other end is fixedly connected to the adjusting roller 2-16. One end of the first adjusting rod 2-6 is vertically fixedly connected to the middle of the adjusting shaft 2-4, and the other end is fixedly connected to one end of the counterweight 2-7. The other end of the counterweight 2-7 is fixedly connected to the second adjusting rod 2-8, an adjusting block 2-10, a first locking bolt 2-12, a second locking bolt 2-13, an adjusting plate 2-14, and an adjusting roller 2-16. Rod 2-8 is fixedly connected. Adjusting block 2-10 is located above adjusting roller 2-16 and its top is fixed to the bottom of frame 2-1. The bottom of adjusting block 2-10 has a horizontal through groove 2-11 in the shape of a gate and threaded holes on both sides of the through groove 2-11. The first locking bolt 2-12 and the second locking bolt 2-13 are respectively inserted into the corresponding threaded holes from the outer sides of adjusting block 2-10 and then extended into the through groove 2-11 with a gap between them. The bottom of adjusting plate 2-14 is fixed to the outer side wall of adjusting roller 2-16 and its upper part is located in the gap.

[0007] Furthermore, a V-shaped adjustment groove 2-3 is provided circumferentially in the middle of the idler roller 2-2.

[0008] Furthermore, it is divided into a pre-saw conveying section, a mid-saw conveying section, and a post-saw conveying section arranged from left to right, and each conveying section is the chain-driven roller conveying system.

[0009] Furthermore, the pre-saw conveying section and the post-saw conveying section are respectively provided with vertical loading baffles 2-17 and unloading baffles 2-18 on the top left and right sides of the corresponding frame 2-1.

[0010] Furthermore, the counterweight 2-7 is cylindrical in shape, and the first adjusting rod 2-6 and the second adjusting rod 2-8 are both round rods and are coaxial with the counterweight 2-7.

[0011] Furthermore, the adjusting shaft 2-4 is fixedly connected to the first adjusting rod 2-6 via a fixing sleeve 2-5. The fixing sleeve 2-5 is an arc-shaped cylindrical surface. The fixing sleeve 2-5 is coaxially engaged with the middle outer wall of the adjusting shaft 2-4 and is connected to the adjusting shaft 2-4 by bolts. One end of the first adjusting rod 2-6 is fixedly connected to the outer wall of the fixing sleeve 2-5.

[0012] Furthermore, the adjusting shaft 2-4, the fixing sleeve 2-5, the first adjusting rod 2-6, the counterweight 2-7, and the second adjusting rod 2-8 are all made of high-carbon round steel.

[0013] Furthermore, a handle 2-9 is fixed to the side wall of the counterweight 2-7.

[0014] Furthermore, the adjustment plate 2-14 is arranged radially along the adjustment roller 2-16.

[0015] Furthermore, the chain is a double-toothed chain, and the driving chain disc, driven chain disc, and adjusting chain discs 2-15 are all double-toothed chain discs.

[0016] The beneficial effects of this invention are as follows:

[0017] (1) This invention connects the controller to the conveyor motor of the chain-driven roller conveyor system, meshes with the adjusting chain disc on the inner side of the chain, sets up a chain self-adjusting assembly and connects its adjusting shaft to the adjusting chain disc and adjusting roller, vertically fixes the first adjusting rod, counterweight, and second adjusting rod in sequence at the middle of the adjusting shaft, fixes the adjusting block at the bottom of the frame above the adjusting roller, opens a horizontal through groove in the shape of a door in the bottom of the adjusting block, opens threaded holes on both sides of the through groove, inserts two locking bolts from the outside of the adjusting block into the corresponding threaded holes and into the through groove with a gap between them, and fixes an adjusting plate on the outer wall of the adjusting roller with the upper part of the adjusting plate located in the gap. The controller can automatically control the conveyor motor to drive the conveyor through the chain. The idler rollers move forward in parallel without inertia, enabling rapid stops and starts of the aluminum rods, reducing the labor intensity of employees. Simultaneously, a counterweight drives the adjusting shaft to rotate, which in turn drives the adjusting chain and adjusting rollers. The rotating adjusting rollers cause a baffle to move between two locking bolts, thus achieving self-adjustment of chain tension. This improves the smoothness of the idler rollers' operation and the overall smoothness of aluminum rod conveying, providing a stable environment for aluminum rod cutting, improving the precision and efficiency of aluminum rod cutting, and preventing rod scratches, rod rolling, or hand pinching caused by uneven aluminum rod conveying. Furthermore, the gap between the two locking bolts can be adjusted by changing the length of their insertion into the through groove, thus setting the range of chain tension adjustment and making chain tension adjustment more flexible, further enhancing the smoothness of aluminum rod conveying.

[0018] (2) By opening a V-shaped adjustment groove in the middle of the roller along the circumference, the present invention can ensure that the aluminum rod always self-adjusts in the conveying system. When equipped with a cutting device, the aluminum rod can always maintain a 90-degree vertical angle with the automatic cutting saw blade, ensuring that the saw cut surface of the rod is vertical and without slant, thus improving the cutting accuracy of the aluminum rod.

[0019] (3) The present invention has a simple structure and is lighter, more efficient and has a smoother cut surface than the traditional manual moving bed. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the aluminum rod conveying system of the present invention in a specific embodiment.

[0021] Figure 2 This is a top view of the chain self-adjusting component in the aluminum rod conveying system of the present invention in a specific embodiment.

[0022] Figure 3 This is a side view of the adjusting block and adjusting roller inside the chain self-adjusting assembly of the aluminum rod conveying system of the present invention in a specific embodiment.

[0023] In the diagram, 2-1—frame, 2-2—idler roller, 2-3—adjusting groove, 2-4—adjusting shaft, 2-5—fixed sleeve, 2-6—first adjusting rod, 2-7—counterweight block, 2-8—second adjusting rod, 2-9—handle, 2-10—adjusting block, 2-11—through groove, 2-12—first locking bolt, 2-13—second locking bolt, 2-14—adjusting plate, 2-15—adjusting chain, 2-16—adjusting roller, 2-17—feeding baffle, 2-18—discharging baffle. Detailed Implementation

[0024] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0025] It should be specifically noted that: in this invention, "left" and "right" refer to the aluminum rod conveying direction, and "front" and "rear" refer to the horizontal direction perpendicular to the aluminum rod conveying direction, respectively. Figure 1 The directions “left,” “right,” “down,” and “up” in the text are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0026] See Figure 1 The aluminum rod conveying system of the present invention is used for aluminum rod cutting. It includes a controller (not shown in the figure) and a chain-driven roller conveying system, which is divided into a pre-saw conveying section, a mid-saw conveying section and a post-saw conveying section arranged from left to right. Each conveying section is a chain-driven roller conveying system. The chain-driven roller conveyor system includes a rectangular frame 2-1, multiple idlers 2-2, a conveyor motor, and at least one chain self-adjusting assembly. The bottom of the frame 2-1 is supported on the ground by support legs (not shown in the figure). The multiple idlers 2-2 are arranged in parallel from left to right. The idlers 2-2 are supported above the frame 2-1 by bearings. Specifically, bearings are provided at the top on both the front and rear sides of the frame 2-1. The two ends of the rotating shaft of the idler 2-2 are rotatably connected to two corresponding bearings. The output shaft of the conveyor motor is connected to a drive chain, which is meshed with a chain. Multiple driven chain discs and at least one adjusting chain disc 2-15 are meshed on the inner side of the chain. The multiple driven chain discs are fixedly connected to one end of the rotating shaft of the multiple idlers 2-2. The controller is electrically connected to the conveyor motor.

[0027] See Figure 2 , Figure 3 The chain self-adjusting assembly includes an adjusting shaft 2-4, a first adjusting rod 2-6, a counterweight 2-7, a second adjusting rod 2-8, an adjusting block 2-10, a first locking bolt 2-12, a second locking bolt 2-13, an adjusting plate 2-14, and an adjusting roller 2-16. One end of the adjusting shaft 2-4 is fixedly connected to the adjusting chain disc 2-15, and the other end is fixedly connected to the adjusting roller 2-16. One end of the first adjusting rod 2-6 is vertically fixedly connected to the middle of the adjusting shaft 2-4, and the other end is fixedly connected to one end of the counterweight 2-7. The other end of the counterweight 2-7 is fixedly connected to the second adjusting rod 2-8, an adjusting block 2-10, a first locking bolt 2-12, a second locking bolt 2-13, an adjusting plate 2-14, and an adjusting roller 2-16. The rod 2-8 is fixedly connected. The adjusting block 2-10 is located above the adjusting roller 2-16 and its top is fixed to the bottom of the frame 2-1. The bottom of the adjusting block 2-10 has a horizontal, U-shaped through groove 2-11 with threaded holes on both sides. The first locking bolt 2-12 and the second locking bolt 2-13 pass through the corresponding threaded holes from the outer sides of the adjusting block 2-10 and extend into the through groove 2-11 with a gap between them. The bottom of the adjusting plate 2-14 is fixed to the outer wall of the adjusting roller 2-16 and its upper part is located in the gap.

[0028] In this embodiment, the roller 2-2 has a V-shaped adjustment groove 2-3 in the middle along the circumferential direction, which can ensure that the aluminum rod always self-adjusts in the conveying system. When equipped with a cutting device, it can ensure that the aluminum rod always maintains a 90-degree perpendicular angle with the automatic cutting saw blade, ensuring that the saw cut surface of the rod is vertical and without slant, and improving the cutting accuracy of the aluminum rod.

[0029] To prevent the aluminum rods from accidentally sliding out of the conveying system during the feeding process before cutting and the unloading process after cutting, the pre-cutting conveying section and the post-cutting conveying section are respectively equipped with vertical feeding baffles 2-17 and unloading baffles 2-18 on the top left and right sides of the corresponding frame 2-1 to safely limit the aluminum rods.

[0030] In this embodiment, the counterweight 2-7 is cylindrical, and both the first adjusting rod 2-6 and the second adjusting rod 2-8 are round rods and coaxial with the counterweight 2-7. The adjusting shaft 2-4 is fixedly connected to the first adjusting rod 2-6 via a fixing sleeve 2-5. The fixing sleeve 2-5 is an arc-shaped cylindrical surface and is coaxially engaged with the outer wall of the middle portion of the adjusting shaft 2-4 and connected to the adjusting shaft 2-4 by bolts. One end of the first adjusting rod 2-6 is fixedly connected to the outer wall of the fixing sleeve 2-5. The adjusting shaft 2-4, fixing sleeve 2-5, first adjusting rod 2-6, counterweight 2-7, and second adjusting rod 2-8 are all cylindrical. The entire rod 2-8 is made of high-carbon round steel; the counterweight 2-7 has a handle 2-9 fixed to its side wall for easy operation to rotate the adjusting shaft 2-4; the adjusting plate 2-14 is arranged radially along the adjusting roller 2-16; the output shaft of the conveyor motor and the driving chain, the driven chain and the corresponding idler roller 2-2, and the adjusting shaft 2-4 and the adjusting chain 2-15 are all connected by keyway and keyway; the adjusting block 2-10 is welded to the frame 2-1; the chain is a double-tooth chain, and the driving chain, driven chain, and adjusting chain 2-15 are all double-tooth chain discs.

[0031] In this embodiment, frame 2-1 is a saw frame used for conveying and cutting aluminum rods. The frames 2-1 of the pre-saw conveying section, the mid-saw conveying section, and the post-saw conveying section are respectively the pre-saw conveying frame, the mid-saw conveying frame, and the post-saw conveying frame. All conveying frames are machined and welded from 100×48×5.3Q235 channel steel. 500mm long channel steel is cut as support legs. Support legs are erected vertically to the ground at 1000mm intervals on the left and right, and horizontally at 500mm intervals in front and behind. The upper part of the support legs is horizontally welded to the ground with 100×48×5.3Q235 channel steel. The lower part of the support legs, 50mm from the ground, uses 100×48×5.3Q235 channel steel for horizontal tie rods welded in all directions, ultimately forming a cuboid shape. The length of the pre-saw conveying frame is 10000mm, the length of the mid-saw conveying frame is 3000mm, and the length of the post-saw conveying frame is 6000mm. 20mm thick rectangular steel plates, 500*300mm in length, are welded to the upper left side of the pre-sawing conveyor and the upper right side of the post-sawing conveyor, respectively, serving as the loading baffle 2-17 and the unloading baffle 2-18. A 50mm long irregular shaft is machined from 35mm diameter high-carbon round steel. This shaft has a 20mm inner opening and a 30mm outer concentric shaft of different diameters, with a snap-fit ​​groove 5mm on the outer side. The irregular shaft is welded to each support leg 100mm from bottom to top.

[0032] The self-adjusting idler roller 2-2 is machined from high-carbon round steel with a diameter of 200mm and an overall length of 652mm. One end is machined into a concentric pin with a diameter of 35mm and a length of 50mm, and the outer end is threaded with 20mm for easy installation of locking wire later. The other end is machined into a concentric pin with a diameter of 35mm and a length of 100mm, with a 20mm opening on the inner side and a 30mm concentric shaft of different diameters on the outer side, and a 5mm opening on the outer side for easy locking of the chain bearing later. The middle part is designed with V-shaped adjustment grooves 2-3 to ensure that the aluminum rod is always self-adjusting on the sawing machine and always maintains a 90-degree perpendicular angle with the automatic cutting saw blade, ensuring that the saw cut surface of the rod is perpendicular and without bevel. After the idler roller 2-2 is machined, it is fixed to the sawing machine on both sides using 6307 bearings and locked in place. The part extending out of the sawing machine is connected to a 150mm diameter double-tooth chain as the driven chain using a pin key.

[0033] The chains, i.e., the power transmission chains, of the pre-saw conveying section, the mid-saw conveying section, and the post-saw conveying section are respectively the pre-saw conveying chain, the mid-saw conveying chain, and the post-saw conveying chain. Each conveying section's chain-driven roller conveyor system is powered by a self-locking 0.75kW conveyor motor. Each motor is fixedly installed in the middle of each section of the saw frame. The power transmission shaft uses a key-connected 150mm diameter double-tooth chain disc as the driving chain disc. The irregularly shaped shafts on each support leg of the pre-saw conveying frame, the mid-saw conveying frame, and the post-saw conveying frame are connected to a 150mm diameter double-tooth chain disc as the driven chain disc using a key-connected method. The chains are 12A-2 double-tooth chains connected serially in each conveying chain unit. The driven chain discs are evenly distributed on the upper and lower sides of the saw frame. All the chain discs and shaft connections use a keyway key connection method.

[0034] In the chain self-adjusting assembly, the adjusting shaft 2-4 connects to the adjusting chain disc 2-15. The first adjusting rod 2-6, counterweight 2-7, and second adjusting rod 2-8 form an adaptive counterweight. The adjusting block 2-10, first locking bolt 2-12, second locking bolt 2-13, adjusting plate 2-14, and adjusting roller 2-16 form an adaptive positioner. The adjusting shaft 2-4 is machined from 50mm diameter high-carbon round steel into a 700mm long shaft. One side of the shaft is machined into a 50mm long, 45mm diameter round shaft with an 8mm keyway on the side and an 8mm internal thread at the middle. The other side of the shaft has the adjusting roller 2-16 fixed to its end, and the adjusting plate 2-14 is welded to the adjusting roller 2-16, ensuring that the P208 positioning bearing can be smoothly inserted on both sides. The adjusting shaft 2-4 is connected to the adjusting chain disc 2-15 on one side, the adaptive counterweight in the middle, and a flap on the other side is engaged within the adaptive positioner. In the adaptive counterweight, counterweight 2-7 is machined and cut from high-carbon round steel with a length of 50mm and a diameter of 150mm. The counterweight 2-7's own weight ensures that the chain disc remains tightly engaged with the chain during operation. In the adaptive positioner, adjusting block 2-10 is made from 10mm thick channel steel with 10mm diameter sections cut. An 8mm internal thread hole is tapped in the center of each side of the channel steel, and an 8mm high-strength bolt (first locking bolt 2-12) and a second locking bolt 2-13 are screwed into each hole. A certain gap is left between the two bolts in the hole to ensure that the chain has a certain self-adjustment space during operation. The chain tension adjustment range is controlled by adjusting the tightness of the first locking bolt 2-12 and the second locking bolt 2-13 on both sides.

[0035] When the aluminum rod conveying system of the present invention is used for aluminum rod cutting, an aluminum rod cutting platform can be set at the right end of the conveying section before sawing, and a control panel can be set there. The control panel is equipped with a front rail left and right knob and a rear rail left and right knob. The front rail left and right knob and the rear rail left and right knob are electrically connected to the controller. When the front rail left and right knob is rotated to one side, it sends a front rail left conveying command and when it is rotated to the other side, it sends a front rail right conveying command to the controller. When the rear rail left and right knob is rotated to one side, it sends a rear rail left conveying command and when it is rotated to the other side, it sends a rear rail right conveying command. The controller sends a rightward instruction to the controller, which controls the forward and reverse rotation of the conveyor motor at the upper end of the aluminum rod cutting device (i.e., the pre-saw conveying section) according to the left and right rotation instructions of the front rail knob, thereby controlling the corresponding idler rollers 2-2 to move the aluminum rod to the left or right in the pre-saw conveying section. The controller also controls the forward and reverse rotation of the conveyor motor at the lower end of the aluminum rod cutting device (i.e., the middle and rear saw conveying sections) according to the left and right rotation instructions of the rear rail knob, thereby controlling the corresponding idler rollers 2-2 to move the aluminum rod to the left or right in the middle and rear saw conveying sections. The aluminum rod to be cut is fed from the pre-saw conveying section to the aluminum rod conveying system. The aluminum rod is located on roller 2-2, with its bottom part located in the adjusting groove 2-3. The conveying direction is the same as the axis of the aluminum rod. The pre-saw conveying section conveys the aluminum rod to be cut to the rod head at the aluminum rod cutting platform for rod head cutting. After the rod head is cut, the pre-saw conveying section and the mid-saw conveying section together convey the aluminum rod to the rod tail at the aluminum rod cutting platform for rod tail cutting. After the rod tail is cut, the mid-saw conveying section and the post-saw conveying section convey the aluminum rod to the right. The subsequent waste rods and finished rods are identified and classified in the mid-saw conveying section and the post-saw conveying section, respectively. In this invention, "rod head" refers to the right end of the aluminum rod, and "rod tail" refers to the left end of the aluminum rod.

[0036] Obviously, the above embodiments are merely some, not all, of the embodiments of the present invention. The above embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention. Based on the above embodiments, all other embodiments obtained by those skilled in the art without inventive effort, that is, all modifications, equivalent substitutions, and improvements made within the spirit and principle of this application, fall within the scope of protection claimed by the present invention.

Claims

1. An aluminum bar conveying system characterized by, The system includes a controller and a chain-driven roller conveyor system. The chain-driven roller conveyor system includes a rectangular frame (2-1), multiple idlers (2-2), a conveyor motor, and at least one chain self-adjusting assembly. The idlers (2-2) are supported above the frame (2-1) by bearings. The output shaft of the conveyor motor is connected to a drive chain, which is engaged with a chain. Multiple driven chain discs and at least one adjusting chain disc (2-15) are engaged with the inner side of the chain. The multiple driven chain discs are fixedly connected to one end of the rotating shaft of the multiple idlers (2-2). The controller is electrically connected to the conveyor motor. The chain self-adjusting assembly includes an adjusting shaft (2-4), a first adjusting rod (2-6), a counterweight (2-7), a second adjusting rod (2-8), an adjusting block (2-10), a first locking bolt (2-12), a second locking bolt (2-13), an adjusting plate (2-14), and an adjusting roller (2-16). One end of the adjusting shaft (2-4) is fixedly connected to the adjusting chain disc (2-15), and the other end is fixedly connected to the adjusting roller (2-16). One end of the first adjusting rod (2-6) is vertically fixedly connected to the middle of the adjusting shaft (2-4), and the other end is fixedly connected to one end of the counterweight (2-7). The other end of the counterweight (2-7) is fixedly connected to the first adjusting rod (2-8), a first adjusting rod (2-12), a second locking bolt (2-13), an adjusting plate (2-14), and an adjusting roller (2-16). Two adjusting rods (2-8) are fixedly connected. The adjusting block (2-10) is set above the adjusting roller (2-16) and its top is fixed to the bottom of the frame (2-1). The bottom of the adjusting block (2-10) is provided with a horizontal through groove (2-11) in the shape of a door and threaded holes are provided on both sides of the through groove (2-11). The first locking bolt (2-12) and the second locking bolt (2-13) are respectively inserted into the corresponding threaded holes from the outer sides of the adjusting block (2-10) and then extended into the through groove (2-11) with a gap between them. The bottom of the adjusting plate (2-14) is fixed to the outer side wall of the adjusting roller (2-16) and its upper part is located in the gap. The first adjusting rod (2-6), the counterweight (2-7), and the second adjusting rod (2-8) constitute an adaptive counterweight. The counterweight (2-7) uses its own weight to ensure that the adjusting chain disc (2-15) is always tightly engaged with the chain during operation. The adjusting block (2-10), the first locking bolt (2-12), the second locking bolt (2-13), the adjusting plate (2-14), and the adjusting roller (2-16) constitute an adaptive positioner. The gap reserved between the rods of the first locking bolt (2-12) and the second locking bolt (2-13) extending into the through groove (2-11) provides self-adjusting space for the adjusting plate (2-14). The adjustment range of the chain tension is controlled by adjusting the screw depth of the first locking bolt (2-12) and the second locking bolt (2-13).

2. The aluminum billet delivery system of claim 1, wherein, The idler roller (2-2) has a V-shaped adjustment groove (2-3) circumferentially opened in the middle.

3. The aluminum billet delivery system of claim 1, wherein, It is divided into three sections arranged from left to right: a pre-saw conveying section, a mid-saw conveying section, and a post-saw conveying section. Each conveying section is a chain-driven roller conveyor system.

4. The aluminum billet delivery system of claim 3, wherein, The pre-sawing conveying section and the post-sawing conveying section are respectively equipped with vertical loading baffles (2-17) and unloading baffles (2-18) on the top left and right sides of the corresponding frame (2-1).

5. The aluminum billet delivery system of claim 1, wherein, The counterweight (2-7) is cylindrical in shape, and the first adjusting rod (2-6) and the second adjusting rod (2-8) are both round rods and are coaxial with the counterweight (2-7).

6. The aluminum billet delivery system of claim 5, wherein, The adjusting shaft (2-4) is fixedly connected to the first adjusting rod (2-6) through a fixing sleeve (2-5). The fixing sleeve (2-5) is an arc-shaped cylindrical shape. The fixing sleeve (2-5) is coaxially engaged with the middle outer wall of the adjusting shaft (2-4) and is connected to the adjusting shaft (2-4) by bolts. One end of the first adjusting rod (2-6) is fixedly connected to the outer wall of the fixing sleeve (2-5).

7. The aluminum billet delivery system of claim 6, wherein, The adjusting shaft (2-4), the fixing sleeve (2-5), the first adjusting rod (2-6), the counterweight (2-7), and the second adjusting rod (2-8) are all made of high-carbon round steel.

8. The aluminum billet delivery system of claim 1, wherein, The counterweight (2-7) has a handle (2-9) fixed to its side wall.

9. The aluminum billet delivery system of claim 1, wherein, The adjusting plate (2-14) is arranged radially along the adjusting roller (2-16).

10. The aluminum billet delivery system of claim 1, wherein, The chain is a double-toothed chain, and the driving chain disc, driven chain disc, and adjusting chain disc (2-15) are all double-toothed chain discs.

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