A cutting device for aluminum bars

Abstract

The utility model discloses a cutting device for aluminum bar, including the desktop of board -like structure, four corners of desktop bottom all are fixedly connected with horizontal bottom plate through the vertical setting columnar support rod, the side edge vertical fixed of desktop upper end has the vertical board -like side plate, the junction of side plate with the desktop is passed and is opened and is cuted the cutting groove of upper and lower through, the cutting mechanism is fixedly installed to the upper end surface of bottom plate, the cutting part of cutting mechanism can pass cutting groove, fixedly installed with frame -like first mounting bracket between desktop and side plate, the inside of first mounting bracket is equipped with the limiting mechanism that can limit aluminum bar. The utility model discloses, through the fourth electric push rod drive protection plate down -shift, form the safety barrier of covering cutting area side, avoid the staff of misoperation to expose the sharp cutter outside, reduce the scratch, cut and so on accidental injury, reduced the safety accident.

Description

Technical Field

[0001] This utility model relates to the field of aluminum rod processing technology, and in particular to a cutting device for aluminum rods. Background Technology

[0002] In the complex production chain of the aluminum processing industry, aluminum rod cutting equipment acts like a crucial gear, operating precisely and efficiently to drive the entire industry forward and occupying an irreplaceable core position. Aluminum rods, as an important "raw material cornerstone" of aluminum processing, demonstrate their superior properties such as lightweight, high strength, and corrosion resistance in numerous fields.

[0003] However, after the cutting operation is completed, the cutter is exposed to the elements without any protection. In the busy production workshop, operators need to frequently clean the cutting site, collect scattered aluminum shavings, and organize the cut aluminum bars. Or, when performing routine maintenance and debugging other components of the cutting device, the surrounding environment is noisy, and if they are not careful, they may touch the sharp and high-speed cutting device, resulting in scratches, cuts and other accidental injuries, causing pain and losses to themselves and their families, and also affecting the normal production progress of the enterprise and increasing production costs. Therefore, a cutting device for aluminum bars is proposed to solve the above problems. Utility Model Content

[0004] (a) Purpose of the utility model To address the technical problems existing in the background art, this utility model proposes a cutting device for aluminum rods. The device uses a fourth electric push rod to drive a protective plate downward, forming a safety barrier covering the side of the cutting area. This prevents workers from accidentally touching the exposed sharp cutting tool, reducing accidental injuries such as scratches and cuts, and lowering the risk of accidents.

[0005] (II) Technical Solution This utility model provides a cutting device for aluminum rods, including a tabletop with a plate-like structure. The four corners of the bottom of the tabletop are fixedly connected to a horizontal base plate by vertically arranged column-like support rods. A vertical plate-like side plate is vertically fixed to one side edge of the upper end of the tabletop. A through cutting groove is opened at the connection between the side plate and the tabletop. A cutting mechanism is fixedly installed on the upper surface of the base plate, and the cutting part of the cutting mechanism can pass through the cutting slot; a frame-shaped first mounting bracket is fixedly installed between the tabletop and the side plate, and the first mounting bracket is provided with a limiting mechanism that can limit the aluminum rod. The limiting mechanism achieves the limiting by adapting to the shape of the aluminum rod; a pushing component that can push the aluminum rod to slide along the tabletop is fixedly installed on the inner side wall of the side plate; two sets of protective mechanisms are provided on the side plate, and the two sets of protective mechanisms are respectively located on both sides of the first mounting bracket and are symmetrically distributed. A controller is fixedly installed on the first mounting bracket. The controller is connected to the cutting mechanism, the limiting mechanism, the pushing component, and the protective mechanism through wires to control the operation of each component.

[0006] Furthermore, the cutting mechanism includes a cutter, a second mounting bracket, a support bracket, a mounting plate, a first electric push rod, a connecting bracket, and a guide assembly; the upper end of the base plate is fixedly connected to the guide assembly via the support bracket, which has a frame structure; the mounting plate is vertically fixed to one side of the guide assembly, the first electric push rod is horizontally fixed to the mounting plate, and the telescopic shaft of the first electric push rod passes through the mounting plate and is fixedly connected to the connecting bracket; the upper end of the connecting bracket is fixedly connected to the second mounting bracket, the bottom of the cutter is fixed to the connecting bracket via the second mounting bracket, and the cutting end of the cutter is set upwards, with the position of the cutting groove corresponding vertically to the cutting end of the cutter.

[0007] Furthermore, the guide assembly includes a limiting sliding block and a first sliding rod. The limiting sliding block is fixed to the upper end of the support frame, and the mounting plate is vertically fixed to the side of the limiting sliding block. There are multiple first sliding rods, all of which slide horizontally through the sliding hole of the limiting sliding block. One end of each first sliding rod is fixedly connected to the connecting frame. The axis of the first electric push rod is parallel to the axis of the first sliding rod.

[0008] Furthermore, the pushing assembly includes a first mounting sleeve, a stop plate, and a second electric push rod. The first mounting sleeve is fixed to the inner side wall of the side plate, and the second electric push rod is horizontally fixed inside the first mounting sleeve, with its telescopic shaft facing the first mounting frame and fixedly connected to the stop plate. The end face of the stop plate is adapted to the shape of the end of the aluminum rod.

[0009] Furthermore, an inclined groove is provided on the upper part of the desktop near the side panel, and the inclined groove extends inclinedly from the upper surface of the desktop toward the lower edge.

[0010] Furthermore, the limiting mechanism includes a first limiting plate, a second sliding rod, a sliding sleeve, a third electric push rod, and a side plate limiting assembly. There are two first limiting plates, symmetrically distributed inside the first mounting frame and located on both sides of the cutting slot. The surface of the first limiting plate is adapted to the side shape of the aluminum rod. There are multiple sliding sleeves, all vertically fixed and passing through the upper end plate of the first mounting frame. The second sliding rod slides vertically through the sliding sleeve, and its lower end is fixedly connected to the upper end of the first limiting plate. The third electric push rod is vertically fixed to the upper end plate of the first mounting frame and parallel to the second sliding rod. Its telescopic shaft passes through the upper end plate of the first mounting frame and is fixedly connected to the upper end of the first limiting plate.

[0011] Furthermore, the side panel limiting assembly includes a second limiting plate and a telescopic device. The telescopic device is horizontally fixed to the upper end of the desktop and located on one side of the first mounting bracket. The telescopic end of the telescopic device faces the side panel and is fixedly connected to the second limiting plate. The surface of the second limiting plate is adapted to the side shape of the aluminum rod.

[0012] Furthermore, the protective mechanism includes a fixed plate, a fourth electric push rod, a connecting plate, and a protective plate. The fixed plate is vertically fixed to the side of the desktop, and the fourth electric push rod is vertically fixed to the upper end of the fixed plate. Its telescopic axis extends upward and is fixedly connected to the connecting plate. The bottom of the connecting plate is fixedly connected to the protective plate, which is located between the side plate and the desktop, and its surface can cover the side of the cutting area.

[0013] Furthermore, the outer side of the fourth electric push rod is fitted with a plurality of second mounting sleeves, one side of which is fixedly connected to the outer side wall of the side plate; a rubber strip is fixedly pasted to the bottom of the protective plate, and the lower end of the rubber strip can contact the upper surface of the table.

[0014] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: 1. The cutting device for aluminum bars can move the protective plate down by the fourth electric push rod after the cutting operation is completed, forming a safety barrier covering the side of the cutting area, preventing workers from accidentally touching the exposed sharp cutting tool, reducing accidental injuries such as scratches and cuts, and lowering the risk of accidents.

[0015] 2. The cutting device for aluminum bars has an inclined slot on the tabletop, which not only plays a preliminary positioning role when installing aluminum bars, but also guides the aluminum chips generated during the cutting process to slide naturally down the inclined surface to the bottom of the tabletop, avoiding the accumulation of aluminum chips in the cutting area and reducing the amount of subsequent cleaning work. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a cutting device for aluminum rods proposed in this utility model.

[0017] Figure 2 This is a rear view of a cutting device for aluminum rods proposed in this utility model.

[0018] Figure 3 This is a perspective view of the cutting mechanism in a cutting device for aluminum rods proposed in this utility model.

[0019] Figure 4 This is a perspective view of a limiting mechanism in a cutting device for aluminum rods proposed in this utility model.

[0020] Figure 5 This is a perspective view of the protective mechanism in a cutting device for aluminum rods proposed in this utility model.

[0021] Reference numerals: 1. Connecting frame; 2. Mounting plate; 3. Limiting sliding block; 4. Support frame; 5. First electric push rod; 6. First sliding rod; 7. First mounting frame; 8. Inclined slot; 9. Base plate; 10. Tabletop; 11. Support rod; 12. Second electric push rod; 13. First mounting sleeve; 14. Support plate; 15. Side plate; 16. Controller; 17. Second sliding rod; 18. Sliding sleeve; 19. Third electric push rod; 20. Connecting plate; 21. Protective plate; 22. Fourth electric push rod; 23. Rubber strip; 24. First limiting plate; 25. Second limiting plate; 26. Telescopic device; 27. Second mounting frame; 28. Cutter; 29. ​​Fixing plate; 30. Cutting slot; 31. Second mounting sleeve. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, such as welding, riveting, or bonding; it can also be a detachable connection, such as threaded connection, keyed connection, or pin connection; or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example 1 like Figure 1-5As shown, the present invention proposes a cutting device for aluminum rods, including a tabletop 10 with a plate-like structure. The four corners of the bottom of the tabletop 10 are fixedly connected to the horizontal base plate 9 by vertically arranged column-like support rods 11. A vertical plate-like side plate 15 is vertically fixed to one side edge of the upper end of the tabletop 10. A cutting groove 30 that runs through the top and bottom is opened at the connection between the side plate 15 and the tabletop 10. A cutting mechanism is fixedly installed on the upper surface of the base plate 9, and the cutting part of the cutting mechanism can pass through the cutting slot 30; a frame-shaped first mounting bracket 7 is fixedly installed between the tabletop 10 and the side plate 15. The first mounting bracket 7 is provided with a limiting mechanism that can limit the aluminum rod. The limiting mechanism achieves the limiting by adapting to the shape of the aluminum rod; a pushing component that can push the aluminum rod to slide along the tabletop 10 is fixedly installed on the inner side wall of the side plate 15; two sets of protective mechanisms are provided on the side plate 15. The two sets of protective mechanisms are located on both sides of the first mounting bracket 7 and are symmetrically distributed. A controller 16 is fixedly installed on the first mounting bracket 7. The controller 16 is connected to the cutting mechanism, the limiting mechanism, the pushing component and the protective mechanism through wires to control the operation of each component.

[0026] It should be noted that the controller 16, as the "control center" of the entire cutting device, adopts a PLC controller. It has a corresponding control program preset inside, which can accurately coordinate the action sequence and operating parameters of the cutting mechanism, limit mechanism, push component and protection mechanism according to the actual cutting needs.

[0027] Before the cutting operation begins, the controller 16 can first control the limiting mechanism to clamp and limit the aluminum rod, and then control the cutting mechanism and the pushing component to work together. After the operation is completed, the controller 16 will first control the cutting mechanism to stop running and reset, and then control the limiting mechanism to release, ensuring that all components operate in an orderly manner and improving the automation level and operational safety of the device.

[0028] In this embodiment, the cutting mechanism includes a cutter 28, a second mounting bracket 27, a support bracket 4, a mounting plate 2, a first electric push rod 5, a connecting bracket 1, and a guide assembly. The upper end of the base plate 9 is fixedly connected to the guide assembly via the support bracket 4, which has a frame structure. The mounting plate 2 is vertically fixed to one side of the guide assembly, and the first electric push rod 5 is horizontally fixed to the mounting plate 2. The telescopic shaft of the first electric push rod 5 passes through the mounting plate 2 and is fixedly connected to the connecting bracket 1. The upper end of the connecting bracket 1 is fixedly connected to the second mounting bracket 27, and the bottom of the cutter 28 is fixed to the connecting bracket 1 via the second mounting bracket 27. The cutting end of the cutter 28 is set upwards, and the position of the cutting slot 30 corresponds to the cutting end of the cutter 28 vertically.

[0029] It should be noted that the second mounting bracket 27 adopts a detachable bolt connection structure. When the cutter 28 malfunctions and needs repair or the saw blade needs to be replaced, the operator can easily disassemble the second mounting bracket 27, reducing maintenance difficulty and time costs. In addition, the width of the cutting slot 30 is slightly larger than the thickness of the cutting end of the cutter 28, which not only ensures that the cutter 28 can pass through smoothly for cutting operations, but also facilitates the subsequent cleaning of aluminum chips.

[0030] In this embodiment, the guide assembly includes a limiting slide block 3 and a first slide rod 6. The limiting slide block 3 is fixed to the upper end of the support frame 4, and the mounting plate 2 is vertically fixed to the side of the limiting slide block 3. There are multiple first slide rods 6, all of which slide horizontally through the sliding hole of the limiting slide block 3. One end of each first slide rod 6 is fixedly connected to the connecting frame 1. The axis of the first electric push rod 5 is parallel to the axis of the first slide rod 6.

[0031] It should be noted that the guide assembly provides guidance for the horizontal movement of the cutter 28, preventing the cutter 28 from shifting under the push of the first electric push rod 5 and ensuring the accuracy of the cutting position. The first slide rod 6 is made of high-strength alloy material, has good rigidity, and can withstand the vibration and impact generated during the operation of the cutter 28, preventing the first slide rod 6 from bending and deforming, and further ensuring the guiding accuracy.

[0032] In this embodiment, the pushing component includes a first mounting sleeve 13, a stop plate 14, and a second electric push rod 12. The first mounting sleeve 13 is fixed to the inner side wall of the side plate 15. The second electric push rod 12 is horizontally fixed inside the first mounting sleeve 13, and its telescopic shaft faces the first mounting frame 7 and is fixedly connected to the stop plate 14. The end face of the stop plate 14 is adapted to the end shape of the aluminum rod.

[0033] It should be noted that the first mounting sleeve 13 serves to fix the second electric push rod 12, preventing the second electric push rod 12 from shifting its position due to vibration during operation; when the second electric push rod 12 extends and drives the abutment plate 14 to move, the abutment plate 14 can drive the aluminum rod to move evenly.

[0034] In this embodiment, an inclined slot 8 is provided on the upper end of the desktop 10 near the side plate 15. The inclined slot 8 extends inclinedly from the upper surface of the desktop 10 toward the lower edge.

[0035] It should be noted that the inclined slot 8 is mainly used to place aluminum rods. When installing aluminum rods, the aluminum rods will follow the inclined surface of the inclined slot 8, which plays a role in initial positioning.

[0036] In this embodiment, the protective mechanism includes a fixed plate 29, a fourth electric push rod 22, a connecting plate 20, and a protective plate 21. The fixed plate 29 is vertically fixed to the side of the tabletop 10, and the fourth electric push rod 22 is vertically fixed to the upper end of the fixed plate 29. Its telescopic axis extends upward and is fixedly connected to the connecting plate 20. The bottom of the connecting plate 20 is fixedly connected to the protective plate 21. The protective plate 21 is located between the side plate 15 and the tabletop 10, and its surface can cover the side of the cutting area.

[0037] It should be noted that when the cutting mechanism starts cutting, the controller 16 will control the extension shaft of the fourth electric push rod 22 to extend, pushing the connecting plate 20 to move the protective plate 21 upward, so that the surface of the protective plate 21 covers the side of the cutting area; when the cutting operation is completed, the controller 16 will control the extension shaft of the fourth electric push rod 22 to retract, moving the protective plate 21 downward to form a safety barrier to prevent the operator from accidentally touching the cutter 28 when it is not in operation.

[0038] In this embodiment, a plurality of second mounting sleeves 31 are sleeved on the outer side of the fourth electric push rod 22, and one side of the second mounting sleeve 31 is fixedly connected to the outer side wall of the side plate 15; a rubber strip 23 is fixedly pasted on the bottom of the protective plate 21, and the lower end of the rubber strip 23 can contact the upper surface of the table 10.

[0039] It should be noted that the second mounting sleeve 31 further enhances the installation stability of the fourth electric push rod 22, preventing it from shaking or tilting due to vibration, and ensuring the smoothness and positional accuracy of the protective plate 21 as it moves up and down. When the protective plate 21 moves downward to reset, the lower end of the rubber strip 23 contacts the upper surface of the tabletop 10, which can prevent a hard collision between the bottom of the protective plate 21 and the tabletop 10, thus providing a buffer protection function.

[0040] Example 2 like Figure 1 , 2As shown in Figure 4, based on Embodiment 1, the limiting mechanism is further defined. The main function of the limiting mechanism is to clamp and limit the aluminum rod before the cutting operation to prevent the aluminum rod from moving during the cutting process and to ensure cutting accuracy. The limiting mechanism includes a first limiting plate 24, a second sliding rod 17, a sliding sleeve 18, a third electric push rod 19, and a side plate limiting assembly. There are two first limiting plates 24, which are symmetrically distributed inside the first mounting frame 7 and located on both sides of the cutting slot 30. The plate surface of the first limiting plate 24 is adapted to the side shape of the aluminum rod. There are multiple sliding sleeves 18, all of which are vertically fixed and pass through the upper end plate of the first mounting frame 7. The second sliding rod 17 slides vertically through the sliding sleeve 18, and its lower end is fixedly connected to the upper end of the first limiting plate 24. The third electric push rod 19 is vertically fixed to the upper end plate of the first mounting frame 7 and is parallel to the second sliding rod 17. Its telescopic shaft passes through the upper end plate of the first mounting frame 7 and is fixedly connected to the upper end of the first limiting plate 24.

[0041] It should be noted that two symmetrically distributed first limiting plates 24 limit the aluminum rod from its side plate. The third electric push rod 19, as a driving component, under the control of the controller 16, can drive the first limiting plates 24 to move vertically up and down via its telescopic shaft, thereby achieving clamping and limiting of aluminum rods of different diameters. The cooperation between the second sliding rod 17 and the sliding sleeve 18 provides guidance for the up and down movement of the first limiting plates 24, preventing them from shifting during movement.

[0042] In this embodiment, the side plate limiting assembly includes a second limiting plate 25 and a telescopic member 26. The telescopic member 26 is horizontally fixed to the upper end of the desktop 10 and located on one side of the first mounting bracket 7. The telescopic end of the telescopic member 26 faces the side plate 15 and is fixedly connected to the second limiting plate 25. The plate surface of the second limiting plate 25 is adapted to the side shape of the aluminum rod.

[0043] It should be noted that the second limiting plate 25 limits the aluminum rod from the other side (the side opposite to the pushing component). The telescopic device 26 adopts an electric telescopic rod structure. Under the control of the controller 16, it can drive the second limiting plate 25 to move horizontally through the telescopic end, thereby adjusting the position of the second limiting plate 25 according to the diameter of the aluminum rod. It works in conjunction with the first limiting plate 24 to achieve the clamping of the aluminum rod. At the same time, the setting of the telescopic device 26 also enables the device to adapt to the cutting needs of aluminum rods of different lengths, improving its applicability.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting device for aluminum bars, characterized in that, The tabletop (10) has a plate-like structure. The four corners of the bottom of the tabletop (10) are fixedly connected to the horizontal base plate (9) by vertically arranged column-shaped support rods (11). A vertical plate-like side plate (15) is vertically fixed to one side edge of the upper end of the tabletop (10). A through-cut groove (30) is provided at the connection between the side plate (15) and the tabletop (10). A cutting mechanism is fixedly installed on the upper surface of the base plate (9), and the cutting part of the cutting mechanism can pass through the cutting slot (30); a frame-shaped first mounting bracket (7) is fixedly installed between the tabletop (10) and the side plate (15), and the interior of the first mounting bracket (7) is provided with a limiting mechanism that can limit the aluminum rod. The limiting mechanism achieves the limiting by adapting to the shape of the aluminum rod; a pushing component that can push the aluminum rod to slide along the tabletop (10) is fixedly installed on the inner side wall of the side plate (15); two sets of protective mechanisms are provided on the side plate (15), and the two sets of protective mechanisms are respectively located on both sides of the first mounting bracket (7) and are symmetrically distributed; A controller (16) is fixedly installed on the first mounting bracket (7). The controller (16) is connected to the cutting mechanism, the limiting mechanism, the pushing component and the protective mechanism through lines to control the operation of each component.

2. The cutting device for aluminum rods according to claim 1, characterized in that, The cutting mechanism includes a cutter (28), a second mounting bracket (27), a support bracket (4), a mounting plate (2), a first electric push rod (5), a connecting bracket (1), and a guide assembly; the upper end of the base plate (9) is fixedly connected to the guide assembly through the support bracket (4) which has a frame structure; the mounting plate (2) is vertically fixed to one side of the guide assembly, the first electric push rod (5) is horizontally fixed on the mounting plate (2), the telescopic shaft of the first electric push rod (5) passes through the mounting plate (2) and is fixedly connected to the connecting bracket (1); the upper end of the connecting bracket (1) is fixedly connected to the second mounting bracket (27), the bottom of the cutter (28) is fixed to the connecting bracket (1) through the second mounting bracket (27), and the cutting end of the cutter (28) is set upwards, and the position of the cutting slot (30) is adapted to the upper and lower corresponding cutting end of the cutter (28).

3. The cutting device for aluminum rods according to claim 2, characterized in that, The guide assembly includes a limiting slide block (3) and a first slide rod (6). The limiting slide block (3) is fixed to the upper end of the support frame (4), and the mounting plate (2) is vertically fixed to the side of the limiting slide block (3). There are multiple first slide rods (6), all of which slide horizontally through the sliding hole of the limiting slide block (3). One end of each first slide rod (6) is fixedly connected to the connecting frame (1). The axis of the first electric push rod (5) is parallel to the axis of the first slide rod (6).

4. The cutting device for aluminum rods according to claim 1, characterized in that, The pushing assembly includes a first mounting sleeve (13), a stop plate (14), and a second electric push rod (12). The first mounting sleeve (13) is fixed to the inner side wall of the side plate (15). The second electric push rod (12) is horizontally fixed inside the first mounting sleeve (13), and its telescopic shaft faces the first mounting frame (7) and is fixedly connected to the stop plate (14). The end face of the stop plate (14) is adapted to the end shape of the aluminum rod.

5. The cutting device for aluminum rods according to claim 1, characterized in that, An inclined slot (8) is provided on the upper end of the desktop (10) near the side plate (15), and the inclined slot (8) extends inclinedly from the upper surface of the desktop (10) towards the lower edge.

6. The cutting device for aluminum rods according to claim 1, characterized in that, The limiting mechanism includes a first limiting plate (24), a second sliding rod (17), a sliding sleeve (18), a third electric push rod (19), and a side plate limiting assembly. There are two first limiting plates (24), which are symmetrically distributed inside the first mounting frame (7) and located on both sides of the cutting slot (30). The surface of the first limiting plate (24) is adapted to the side shape of the aluminum rod. There are multiple sliding sleeves (18), which are vertically fixed through the upper end plate of the first mounting frame (7). The second sliding rod (17) slides vertically through the sliding sleeve (18), and its lower end is fixedly connected to the upper end of the first limiting plate (24). The third electric push rod (19) is vertically fixed to the upper end plate of the first mounting frame (7) and parallel to the second sliding rod (17). Its telescopic shaft passes through the upper end plate of the first mounting frame (7) and is fixedly connected to the upper end of the first limiting plate (24).

7. A cutting device for aluminum rods according to claim 6, characterized in that, The side panel limiting assembly includes a second limiting plate (25) and a telescopic device (26). The telescopic device (26) is horizontally fixed to the upper end of the desktop (10) and located on one side of the first mounting bracket (7). The telescopic end of the telescopic device (26) faces the side panel (15) and is fixedly connected to the second limiting plate (25). The surface of the second limiting plate (25) is adapted to the side shape of the aluminum rod.

8. The cutting device for aluminum rods according to claim 1, characterized in that, The protective mechanism includes a fixed plate (29), a fourth electric push rod (22), a connecting plate (20), and a protective plate (21). The fixed plate (29) is vertically fixed to the side of the tabletop (10). The fourth electric push rod (22) is vertically fixed to the upper end of the fixed plate (29), and its telescopic axis extends upward and is fixedly connected to the connecting plate (20). The bottom of the connecting plate (20) is fixedly connected to the protective plate (21). The protective plate (21) is located between the side plate (15) and the tabletop (10), and its surface can cover the side of the cutting area.

9. A cutting device for aluminum rods according to claim 8, characterized in that, The fourth electric push rod (22) is fitted with a plurality of second mounting sleeves (31) on its outer side. One side of the second mounting sleeve (31) is fixedly connected to the outer side wall of the side plate (15). A rubber strip (23) is fixedly pasted on the bottom of the protective plate (21). The lower end of the rubber strip (23) can contact the upper surface of the table (10).

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