Continuous fixed-length cutting device for aluminum bar extruded profile
The design of the limiting device and the connecting device solves the problem of inconsistent cutting lengths of aluminum bar extruded profiles, and enables continuous fixed-length cutting of aluminum bars and convenient replacement of cutters.
Patent Information
- Application Number
- CN202422832229.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In the processing of aluminum bar extrusion profiles, the existing cutting device requires manual movement of the aluminum bar to the bottom of the cutter, resulting in inconsistent cutting lengths and difficulty in controlling the fixed length of multiple aluminum bars.
A continuous fixed-length cutting device for aluminum rod extruded profiles is designed, which includes a limiting device and a connecting device. Through the sliding block and extrusion strip of the limiting device, the rubber strip squeezes the top of the aluminum rod, and combined with the design of bolts and springs, the aluminum rod is stably fixed; the connecting device facilitates the replacement of the cutter through the locking rod and spring.
It realizes the continuous fixed length cutting of aluminum bars, avoids the length inconsistency problem caused by manual movement, and facilitates the replacement and maintenance of the cutter.
Smart Images
Figure CN223418478U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutting devices, in particular to a continuous fixed-length cutting device for aluminum bar extruded profiles. Background Art
[0002] The cutting device is a device used to split aluminum bars during the processing of aluminum bar extrusion profiles. When using the cutting device, the aluminum bar extrusion profile is placed on the top of the connection box, and the cylinder movement is controlled by the control box to extrude the aluminum bar to the top of the connection frame away from the control box. The scale bar set on the top of the connection frame can make the length of each cut consistent, so that when processing aluminum bars, the aluminum bars can be continuously cut into fixed lengths.
[0003] The inventor found in his daily work that the cutting device still has at least the following problems: when using the cutting device, the aluminum rod extruded profile is placed on the top of the connecting box, and the cylinder movement is controlled by the control box to extrude the aluminum rod to the top of the connecting frame away from the control box. The scale bar set on the top of the connecting frame can make the length of each cut consistent. In this way, when processing the aluminum rod, the aluminum rod can be continuously cut into a fixed length. However, in actual use, when cutting the aluminum rod, it is necessary to manually move the aluminum rod to the bottom of the cutter. When the number of aluminum rods to be cut is too large, it is difficult to manually control it at the same time, which may result in inconsistent lengths. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a device for continuously cutting aluminum rod extruded profiles to a fixed length.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a continuous fixed-length cutting device for aluminum rod extruded profiles, comprising a connecting box, the top of the connecting box is fixedly connected to a supporting frame, the top of the supporting frame is provided with a cylinder, and the bottom of the cylinder is provided with a cutter, a control box is provided on one side of the connecting box, connecting frames are provided on both sides of the connecting box, a scale bar is provided on the top of the connecting frame, a limiting device is provided on the top of the connecting box, and the top of the cutter is provided with a connecting device, the limiting device comprises a sliding block, a sliding groove is provided on one side of the connecting box, the inner wall of the sliding groove is slidably connected to the sliding block, the top of the sliding block is fixedly connected to a moving bar, one side of the moving bar is provided with a moving groove, the inner wall of the moving groove is slidably connected to the extrusion bar, the bottom of the extrusion bar is fixedly connected to a rubber strip, the inner wall of the moving groove is fixedly connected to a sliding rod, the sliding rod slidably penetrates and is inserted into the bottom of the extrusion bar, and the end of the extrusion bar away from the connecting box is fixedly connected to the support bar, and a first bolt is threadedly inserted through one side of the support bar.
[0006] The effect achieved by the above components is: when using the limit device, the sliding block is manually controlled to move to the appropriate position on the inner wall of the slide groove, and then the extrusion strip is manually controlled to slide on the inner wall of the moving groove, so that the rubber strip is squeezed on the top of the aluminum rod extruded profile, and then the first bolt is manually rotated so that the first bolt is squeezed on one side of the moving strip, so that the rubber strip can be squeezed on the top of the aluminum rod well, and thus it is convenient to control the movement of multiple aluminum rod extruded profiles on the top of the connecting box.
[0007] Preferably, a first spring is sleeved on the surface of the sliding rod, the bottom of the first spring is fixedly connected to the bottom of the inner wall of the movable groove, and one end of the first spring close to the sliding rod is fixedly connected to the bottom of the extrusion strip.
[0008] The effect achieved by the above components is: the extrusion strip is pulled toward the bottom of the inner wall of the movable groove by the first spring, so that the rubber strip fixed at the bottom of the extrusion strip can be squeezed onto the surface of the aluminum rod.
[0009] Preferably, one side of the connection box is evenly fixedly connected to a support block, one side of the support block is fixedly connected to a limiting rod, the limiting rod is slidably inserted into one side of the sliding block, and a second bolt is threadedly inserted into one side of the moving bar.
[0010] The effect achieved by the above components is: manually controlling the sliding block to slide on the surface of the limit rod, and when the moving bar does not need to be moved, manually controlling the second bolt to rotate, so that the second bolt is squeezed on one side of the connecting box, so that the sliding block can be restricted to the surface of the limit rod, which can avoid accidentally moving the aluminum rod on the top of the connecting box to a certain extent.
[0011] Preferably, the bottom of the extrusion bar away from the moving bar is fixedly connected to a first damping rod, the bottom of the first damping rod is fixedly connected to a rectangular frame, the surface of the first damping rod is sleeved with a second spring, the bottom of the second spring and the top of the rectangular frame are fixedly connected, the top of the second spring and the bottom of the extrusion bar are fixedly connected, the inner wall of the rectangular frame is fixedly connected to a rotating rod, and the surface of the rotating rod is rotatably sleeved with a roller.
[0012] The effect achieved by the above components is: the extrusion bar is squeezed away from the top of the connection box by the second spring, so that the extrusion bar can be well supported. When the extrusion bar is driven to move, the roller is driven to roll on the top of the connection box, which can well affect the movement of the extrusion bar.
[0013] Preferably, the connecting device includes a cylinder, which is slidably sleeved on the bottom of the cylinder, and the bottom of the cylinder is fixedly connected to the top of the cutter, and the top of the cutter is evenly fixedly connected to a fixing plate, and one side of the fixing plate is slidably penetrated and inserted with a positioning rod, and the positioning rod is slidably penetrated and inserted on one side of the cylinder, and the positioning rod is slidably penetrated and inserted on one side of the bottom surface of the cylinder, and the surface of the positioning rod is sleeved with a third spring, one end of the third spring is fixedly connected to one end of the positioning rod, and the end of the third spring close to the positioning rod is fixedly connected to one side of the fixing plate, and the end of the positioning rod close to the cylinder is fixedly connected to a fixing block.
[0014] The effect achieved by the above components is: when using the connecting device, the cylinder is manually placed on the bottom of the cylinder, and then the locking rod is passed through a fixed plate, then through the cylinder, and then through one end of the cylinder that slides into the inside of the cylinder. The locking rod is pulled toward the fixed plate through the third spring, so that the locking rod can be restricted to the inside of the bottom of the cylinder, making it easier to replace the cutter and avoiding affecting the cutting due to the cutter being blunt.
[0015] Preferably, a connecting block is fixedly connected to a side of the other fixing block away from the cylinder, a positioning rod is slidably inserted through the top of the connecting block, and the positioning rod is slidably inserted through the top of the fixing block.
[0016] The effect achieved by the above components is: after the positioning rod passes through the connecting block, it passes through the fixing block, so that the positioning rod can be restricted inside the other fixing plate.
[0017] Preferably, a fourth spring is sleeved on the surface of the positioning rod, one end of the fourth spring is fixedly connected to the top of the positioning rod, and one end of the fourth spring close to the positioning rod is fixedly connected to the top of the connecting block.
[0018] The effect achieved by the above components is: the fourth spring pulls the positioning rod toward the connection block, thereby effectively restricting the positioning rod inside the connection block.
[0019] Preferably, an L-shaped plate is provided on one side of the connecting block, the top of the L-shaped plate is provided on the top of the positioning rod, a second damping rod is fixedly connected to one side of the L-shaped plate, an end of the second damping rod away from the L-shaped plate is fixedly connected to one side of the connecting block, a fifth spring is sleeved on the surface of the second damping rod, one end of the fifth spring is fixedly connected to one end of the L-shaped plate, and an end of the fifth spring away from the L-shaped plate is fixedly connected to one side of the connecting block.
[0020] The effect achieved by the above components is: the fifth spring pulls the L-shaped plate toward the connecting block, thereby restricting one end of the L-shaped plate to the top of the positioning rod, which can effectively restrict the positioning rod inside the fixing block.
[0021] The utility model discloses a limiting device is set up, uses limiting device time, manual control sliding block moves to the inner wall of the sliding slot in proper position, then manual control extrusion strip is slid in the inner wall of the moving groove, and then make rubber strip extrude in the top of aluminium bar extrusion section, then manual rotation first bolt makes first bolt extrude in the one side of moving strip, like this can very good extrude rubber strip in the top of aluminium bar, and then like this can conveniently control a plurality of aluminium bar extrusion section and move in the top of connecting box. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 A three-dimensional structural schematic view of the aluminium bar extrusion section continuous fixed length cutting device is provided for the utility model;
[0023] Figure 2 A three-dimensional structural schematic view of the novel extrusion strip is provided for the utility model;
[0024] Figure 3 A three-dimensional structural schematic view of the novel cylinder is provided for the utility model;
[0025] Figure 4 A three-dimensional structural schematic view of the novel cylinder is provided for the utility model.
[0026] Legend: 1, connecting box;2, support frame;3, air cylinder;4, cutting knife;5, control box;6, connecting frame;7, scale strip;8, limiting device;801, sliding slot;802, sliding block;803, moving strip;804, moving groove;805, sliding rod;806, extrusion strip;807, rubber strip;808, support strip;809, first bolt;810, first spring;811, support block;812, limiting rod;813, second bolt;814, first damping rod;815, second spring;816, rectangular frame;817, rotating rod;818, roller;9, connecting device;901, cylinder;902, fixed plate;903, clamping rod;904, third spring;905, fixed block;906, connecting block;907, positioning rod;908, fourth spring;909, second damping rod;910, fifth spring;911, L-shaped plate. DETAILED DESCRIPTION
[0027] Example 1, as Figure 1-4As shown, a continuous fixed-length cutting device for aluminum rod extruded profiles is provided, wherein the top of the connecting box 1 is fixedly connected to a support frame 2, the top of the support frame 2 is provided with a cylinder 3, the bottom of the cylinder 3 is provided with a cutter 4, a control box 5 is provided on one side of the connecting box 1, connecting frames 6 are provided on both sides of the connecting box 1, the top of the connecting frame 6 is provided with a scale bar 7, a limiting device 8 is provided on the top of the connecting box 1, and the top of the cutter 4 is provided with a connecting device 9. When using the cutting device, the aluminum rod extruded profile is placed on the top of the connecting box 1, and the movement of the cylinder 3 is controlled by the control box 5 to squeeze the aluminum rod to the top of the connecting frame 6 away from the side of the control box 5. The scale bar 7 provided on the top of the connecting frame 6 can make the length of each cutting consistent, so that when processing the aluminum rod, the aluminum rod can be continuously cut into a fixed length.
[0028] Reference Figure 2 and Figure 3, the limiting device 8 includes a sliding block 802, a sliding groove 801 is provided on one side of the connection box 1, the inner wall of the sliding groove 801 is slidably connected to the sliding block 802, the top of the sliding block 802 is fixedly connected to a moving bar 803, and a moving groove 804 is provided on one side of the moving bar 803. The inner wall of the moving groove 804 is slidably connected to an extrusion bar 806, and the bottom of the extrusion bar 806 is fixedly connected to a rubber strip 807. The inner wall of the moving groove 804 is fixedly connected to a sliding rod 805, and the sliding rod 805 slides through and is inserted into the bottom of the extrusion bar 806. The end of the extrusion bar 806 away from the connection box 1 is fixedly connected to a support bar 808, and a first bolt 809 is inserted through a thread on one side of the support bar 808. When the limiting device 8 is used, the sliding block 802 is manually controlled to move The inner wall of the slide groove 801 is moved to the appropriate position, and then the extrusion strip 806 is manually controlled to slide on the inner wall of the moving groove 804, so that the rubber strip 807 is squeezed on the top of the aluminum rod extruded profile, and then the first bolt 809 is manually rotated so that the first bolt 809 is squeezed on one side of the moving strip 803, which can well squeeze the rubber strip 807 on the top of the aluminum rod, and thus it is convenient to control the movement of multiple aluminum rod extruded profiles on the top of the connection box 1. The surface of the sliding rod 805 is provided with a first spring 810, and the bottom of the first spring 810 is fixedly connected to the bottom of the inner wall of the moving groove 804, and the end of the first spring 810 close to the sliding rod 805 is fixedly connected to the bottom of the extrusion strip 806, and is moved close to the moving groove 80 by the first spring 810. 4. Pull the extrusion strip 806 at the bottom of the inner wall, so that the rubber strip 807 fixed at the bottom of the extrusion strip 806 can be squeezed on the surface of the aluminum rod. One side of the connection box 1 is evenly fixedly connected with a support block 811, and one side of the support block 811 is fixedly connected with a limit rod 812. The limit rod 812 slides through and is inserted on one side of the sliding block 802. A second bolt 813 is inserted through a thread on one side of the moving bar 803. The sliding block 802 is manually controlled to slide on the surface of the limit rod 812. When the moving bar 803 does not need to be moved, the second bolt 813 is manually controlled to rotate, thereby squeezing the second bolt 813 on one side of the connection box 1. In this way, the sliding block 802 can be limited to the surface of the limit rod 812, which can avoid a lot of The center drives the aluminum rod to move at the top of the connection box 1. The bottom of the extrusion bar 806 away from the moving bar 803 is fixedly connected to the first damping rod 814. The bottom of the first damping rod 814 is fixedly connected to the rectangular frame 816. The surface of the first damping rod 814 is sleeved with a second spring 815. The bottom of the second spring 815 is fixedly connected to the top of the rectangular frame 816. The top of the second spring 815 is fixedly connected to the bottom of the extrusion bar 806. The inner wall of the rectangular frame 816 is fixedly connected with a rotating rod 817. The surface of the rotating rod 817 is rotatably sleeved with a roller 818. The extrusion bar 806 is squeezed in the direction away from the top of the connection box 1 through the second spring 815. In this way, the extrusion bar 806 can be well supported. When the extrusion bar 806 is driven to move,The roller 818 is driven to roll on the top of the connection box 1, which can well affect the movement of the extrusion strip 806.
[0029] Reference Figure 4The connecting device 9 includes a cylinder 901, which is slidably sleeved on the bottom of the cylinder 3, and the bottom of the cylinder 901 is fixedly connected to the top of the cutter 4. The top of the cutter 4 is evenly fixedly connected with a fixed plate 902. A locking rod 903 is inserted and slidably penetrated on one side of the fixing plate 902. The locking rod 903 slides through and is inserted on one side of the cylinder 901. The locking rod 903 slides through and is inserted on one side of the bottom surface of the cylinder 3. A third spring 904 is sleeved on the surface of the locking rod 903. One end of the third spring 904 is fixedly connected to one end of the locking rod 903. The end of the third spring 904 close to the locking rod 903 is fixedly connected to one side of the fixed plate 902. The locking rod 903 is close to the cylinder 901. One end of the cylinder 3 is fixedly connected to a fixing block 905. When using the connecting device 9, the cylinder 901 is manually sleeved on the bottom of the cylinder 3, and then the positioning rod 903 is passed through a fixing plate 902, and then through the cylinder 901, and then through one end of the cylinder 3 that slides into the cylinder 901. The positioning rod 903 is pulled toward the fixing plate 902 by the third spring 904. In this way, the positioning rod 903 can be restricted to the inside of the bottom of the cylinder 3, which makes it easier to replace the cutter 4 and avoid cutting due to the cutter 4 not being sharp. The other fixing block 905 is fixedly connected to a connecting block 906 on the side away from the cylinder 901. The top of the connecting block 906 is slidably penetrated and inserted with a positioning rod 907. The positioning rod 9 07 slides through and is inserted into the top of the fixed block 905, and after the positioning rod 907 passes through the connecting block 906, it passes through the fixing block 905, so that the positioning rod 903 can be restricted to the inside of the other fixing plate 902, and the surface of the positioning rod 907 is sleeved with a fourth spring 908, one end of the fourth spring 908 is fixedly connected to the top of the positioning rod 907, and the end of the fourth spring 908 close to the positioning rod 907 is fixedly connected to the top of the connecting block 906, and the positioning rod 907 is pulled in the direction close to the connecting block 906 by the fourth spring 908, thereby well restricting the positioning rod 907 to the inside of the connecting block 906, and an L-shaped plate 911 is provided on one side of the connecting block 906, and the top of the L-shaped plate 911 The second damping rod 909 is arranged on the top of the positioning rod 907, and one side of the L-shaped plate 911 is fixedly connected to the second damping rod 909. The end of the second damping rod 909 away from the L-shaped plate 911 is fixedly connected to one side of the connecting block 906. The surface of the second damping rod 909 is sleeved with a fifth spring 910. One end of the fifth spring 910 is fixedly connected to one end of the L-shaped plate 911. The end of the fifth spring 910 away from the L-shaped plate 911 is fixedly connected to one side of the connecting block 906. The L-shaped plate 911 is pulled toward the connecting block 906 by the fifth spring 910, and then one end of the L-shaped plate 911 is restricted to the top of the positioning rod 907. In this way, the positioning rod 907 can be well restricted to the inside of the fixed block 905.
[0030] Working principle: when using the cutting device, the aluminum rod extruded profile is placed on the top of the connecting box 1, and the movement of the cylinder 3 is controlled by the control box 5, and the aluminum rod is extruded to the top of the connecting frame 6 on the side away from the control box 5. The scale bar 7 set on the top of the connecting frame 6 can make the length of each cutting consistent, so that when processing the aluminum rod, the aluminum rod can be continuously cut into a fixed length. When using the limit device 8, the sliding block 802 is manually controlled to move to the appropriate position on the inner wall of the slide 801, and then the extrusion strip 806 is manually controlled to slide on the inner wall of the moving groove 804, so that the rubber strip 807 is squeezed on the aluminum rod extruded profile. The top of the profile is moved to the top of the profile, and then the first bolt 809 is manually rotated so that the first bolt 809 is squeezed on one side of the moving bar 803, which can well squeeze the rubber strip 807 on the top of the aluminum bar, thereby conveniently controlling the movement of multiple aluminum bar extruded profiles on the top of the connection box 1. When there is no need to move the moving bar 803, the second bolt 813 is manually controlled to rotate, thereby squeezing the second bolt 813 on one side of the connection box 1, so that the sliding block 802 can be restricted to the surface of the limit rod 812, which can avoid accidentally driving the aluminum bar to move on the top of the connection box 1 to a certain extent, wherein the second spring 815 The extrusion bar 806 is squeezed in the direction away from the top of the connection box 1, which can well support the extrusion bar 806. When the extrusion bar 806 is driven to move, the roller 818 is driven to roll on the top of the connection box 1, which can well affect the movement of the extrusion bar 806. When using the connection device 9, the cylinder 901 is manually set on the bottom of the cylinder 3, and then the positioning rod 903 is passed through a fixed plate 902, and then through the cylinder 901, and then through one end of the cylinder 3 that slides into the cylinder 901. The positioning rod 903 is pulled toward the fixed plate 902 by the third spring 904 to position the positioning rod 903. After the rod 907 passes through the connecting block 906, it passes through the fixed block 905, and the fourth spring 908 pulls the positioning rod 907 in the direction close to the connecting block 906, thereby effectively limiting the positioning rod 907 inside the connecting block 906, and the fifth spring 910 pulls the L-shaped plate 911 in the direction close to the connecting block 906, thereby limiting one end of the L-shaped plate 911 to the top of the positioning rod 907, so that the positioning rod 907 can be well limited to the inside of the fixed block 905, so that the positioning rod 903 can be limited to the inside of the bottom of the cylinder 3, thereby facilitating the replacement of the cutter 4 and avoiding the impact of the cutter 4 on the cutting due to its bluntness.
[0031] It should be noted that all damping rods in this case are retractable dampers that can absorb energy during the retraction and extension process.
Claims
1. A device for continuously cutting aluminum rod extruded profiles to fixed lengths, comprising a connecting box (1), characterized in that: The top of the connection box (1) is fixedly connected to a support frame (2), a cylinder (3) is provided on the top of the support frame (2), a cutter (4) is provided on the bottom of the cylinder (3), a control box (5) is provided on one side of the connection box (1), connection frames (6) are provided on both sides of the connection box (1), a scale bar (7) is provided on the top of the connection frame (6), a limiting device (8) is provided on the top of the connection box (1), a connecting device (9) is provided on the top of the cutter (4), the limiting device (8) includes a sliding block (802), a sliding groove (801) is provided on one side of the connection box (1), and the inner wall of the sliding groove (801) is aligned with the sliding block (802) Sliding connection, the top of the sliding block (802) is fixedly connected to a moving bar (803), a moving groove (804) is opened on one side of the moving bar (803), the inner wall of the moving groove (804) is slidably connected to an extrusion bar (806), the bottom of the extrusion bar (806) is fixedly connected to a rubber strip (807), the inner wall of the moving groove (804) is fixedly connected to a sliding rod (805), the sliding rod (805) is slidably inserted into the bottom of the extrusion bar (806), the end of the extrusion bar (806) away from the connection box (1) is fixedly connected to a support bar (808), and a first bolt (809) is threadedly inserted through one side of the support bar (808).
2. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 1, characterized in that: A first spring (810) is sleeved on the surface of the sliding rod (805), the bottom of the first spring (810) is fixedly connected to the bottom of the inner wall of the movable groove (804), and one end of the first spring (810) close to the sliding rod (805) is fixedly connected to the bottom of the extrusion strip (806).
3. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 1, characterized in that: One side of the connection box (1) is evenly fixedly connected to a support block (811), one side of the support block (811) is fixedly connected to a limit rod (812), the limit rod (812) is slidably inserted through one side of the sliding block (802), and one side of the moving bar (803) is threadedly inserted with a second bolt (813).
4. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 1, characterized in that: The bottom of the extrusion bar (806) away from the moving bar (803) is fixedly connected to a first damping rod (814), the bottom of the first damping rod (814) is fixedly connected to a rectangular frame (816), the surface of the first damping rod (814) is sleeved with a second spring (815), the bottom of the second spring (815) is fixedly connected to the top of the rectangular frame (816), the top of the second spring (815) is fixedly connected to the bottom of the extrusion bar (806), the inner wall of the rectangular frame (816) is fixedly connected to a rotating rod (817), and the surface of the rotating rod (817) is rotatably sleeved with a roller (818).
5. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 1, characterized in that: The connecting device (9) comprises a cylinder (901), the cylinder (901) being slidably sleeved on the bottom of the cylinder (3), the bottom of the cylinder (901) being fixedly connected to the top of the cutter (4), the top of the cutter (4) being evenly fixedly connected to a fixing plate (902), a locking rod (903) being inserted and slidably penetrated on one side of the fixing plate (902), the locking rod (903) being inserted and slidably penetrated on one side of the cylinder (901), the locking rod ( 903) is slidably inserted into one side of the bottom surface of the cylinder (3), the surface of the locking rod (903) is sleeved with a third spring (904), one end of the third spring (904) is fixedly connected to one end of the locking rod (903), one end of the third spring (904) close to the locking rod (903) is fixedly connected to one side of the fixed plate (902), and one end of the locking rod (903) close to the cylinder (901) is fixedly connected to a fixed block (905).
6. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 5, characterized in that: The other fixed block (905) is fixedly connected to a connecting block (906) on a side away from the cylinder (901), and a positioning rod (907) is inserted and slidably penetrated through the top of the connecting block (906), and the positioning rod (907) is inserted and slidably penetrated through the top of the fixed block (905).
7. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 6, characterized in that: A fourth spring (908) is sleeved on the surface of the positioning rod (907), one end of the fourth spring (908) is fixedly connected to the top of the positioning rod (907), and one end of the fourth spring (908) close to the positioning rod (907) is fixedly connected to the top of the connecting block (906).
8. The device for continuously cutting aluminum bar extruded profiles to fixed lengths according to claim 6, characterized in that: An L-shaped plate (911) is provided on one side of the connecting block (906), the top of the L-shaped plate (911) is provided on the top of the positioning rod (907), a second damping rod (909) is fixedly connected to one side of the L-shaped plate (911), an end of the second damping rod (909) away from the L-shaped plate (911) is fixedly connected to one side of the connecting block (906), a fifth spring (910) is sleeved on the surface of the second damping rod (909), one end of the fifth spring (910) is fixedly connected to one end of the L-shaped plate (911), and an end of the fifth spring (910) away from the L-shaped plate (911) is fixedly connected to one side of the connecting block (906).