Positioning mechanism for cutting aluminum profile

Abstract

The utility model discloses a positioning mechanism for aluminium profile cutting processing, including mounting bracket, the middle part of mounting bracket upper end is equipped with the placing plate, the inside slide coupling of mounting bracket has the adjustment frame of left and right symmetry, still include positioning mechanism, positioning mechanism: it includes push board, support rod, guide rod, trapezoidal slide, support plate, support, roller and spring, the left and right symmetry guide rod of two sides of the front and back of adjustment frame upper end is fixedly connected respectively, and the trapezoidal slide is slidably connected between two guide rods adjacent transversely respectively, and the opposite end of trapezoidal slide is fixedly connected with support rod respectively, and the opposite end of support rod is fixedly connected with push board respectively, and push board all are located the outside of adjustment frame, and this positioning mechanism for aluminium profile cutting processing can be accurate positioning to different specifications aluminium profile through simple mechanical structure, and the clamping force is more stable, prevents the slight displacement of aluminium profile in the cutting process, avoids the influence cutting accuracy of aluminium profile.

Description

Technical Field

[0001] This utility model relates to the field of aluminum profile cutting and processing technology, specifically to a positioning mechanism for aluminum profile cutting and processing. Background Technology

[0002] Aluminum profiles, also known as aluminum alloy profiles, refer to aluminum alloy materials with a constant cross-sectional shape obtained by forcibly extruding heated and softened aluminum alloy cast rods from a mold of a specific shape through an extrusion molding process. A positioning mechanism for aluminum profile cutting and processing refers to a mechanical device or system specifically designed to fix, support, and precisely position aluminum profiles during cutting. Its core purpose is to ensure that the length of each cut is consistent, the cut is vertical, the processing is safe, and production efficiency is improved. The existing positioning mechanism for aluminum profile cutting and processing places the aluminum profile on the upper end of the machine table when positioning it for cutting and processing. Then, compressed air drives the cylinder to extend and retract, which moves the positioning block clamping arm. The sequence of cylinder action is controlled by the air circuit valve group, and the positioning pin is used to achieve the reference positioning. Existing positioning mechanisms for aluminum profile cutting have the following problems: when positioning aluminum profiles for cutting, the pneumatic positioning method has insufficient or unstable clamping force, and the aluminum profile will slightly shift during the cutting process, affecting the cutting accuracy of the aluminum profile. Therefore, we propose a positioning mechanism for aluminum profile cutting. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a positioning mechanism for aluminum profile cutting. When positioning aluminum profiles during cutting, the simple mechanical structure can accurately position aluminum profiles of different specifications, and the clamping force is more stable, preventing slight displacement of the aluminum profiles during the cutting process and avoiding affecting the cutting accuracy of the aluminum profiles. This can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a positioning mechanism for aluminum profile cutting and processing, including a mounting frame, a placement plate provided in the middle of the upper end of the mounting frame, and left and right symmetrical adjustment frames slidably connected inside the mounting frame, and also including a positioning mechanism; Positioning mechanism: It includes a push plate, support rod, guide rod, trapezoidal slider, support plate, bracket, roller and spring. The front and rear sides of the upper end of the adjusting frame are respectively fixedly connected with symmetrical guide rods. Trapezoidal sliders are slidably connected between two horizontally adjacent guide rods. Support rods are fixedly connected to the opposite ends of the trapezoidal sliders. Push plates are fixedly connected to the opposite ends of the support rods. The push plates are all located outside the adjusting frame. Support plates are slidably connected to the front and rear sides inside the adjusting frame. Rollers are rotatably connected to the upper ends of the support plates through brackets. Springs are sleeved on the outside of the support rods between the inner wall of the adjusting frame and the opposite ends of the longitudinally adjacent trapezoidal sliders. The outer surface of the rollers is slidably connected to the inclined surface of the vertically adjacent trapezoidal sliders. When positioning aluminum profiles for cutting and processing, different specifications of aluminum profiles can be accurately positioned through a simple mechanical structure. The clamping force is more stable, preventing slight displacement of the aluminum profiles during the cutting process and avoiding affecting the cutting accuracy of the aluminum profiles.

[0005] Furthermore, the mounting bracket is equipped with a control switch assembly on its exterior. The input end of the control switch assembly is electrically connected to an external power source to provide electrical connections for various electrical appliances.

[0006] Furthermore, the positioning mechanism also includes a drive assembly, which includes a U-shaped block, a connecting rod, a U-shaped slider, a second bidirectional threaded rod, and an isolation box. The isolation boxes are respectively disposed at the center of the bottom wall of the adjustment frame. The front and rear inner walls of the adjustment frame are respectively rotatably connected to the front and rear ends of the longitudinally adjacent isolation boxes by the second bidirectional threaded rod. The front and rear ends of the second bidirectional threaded rod are respectively threaded to the U-shaped slider. The lower end of the support plate is respectively provided with a U-shaped block. The front and rear ends of the U-shaped block are respectively rotatably connected to the upper end of the vertically adjacent U-shaped slider by a connecting rod through a pin. A rotating shaft is fixedly connected between two longitudinally adjacent second bidirectional threaded rods to provide a transmission connection.

[0007] Furthermore, the drive assembly also includes worm gears and worms. The worm gears are fixedly sleeved on the outside of the rotating shaft, and the bottom wall of the adjusting frame is rotatably connected to the worms. The worm gears mesh with the vertically adjacent worms to provide a transmission connection.

[0008] Furthermore, the drive assembly also includes a second motor, which is respectively disposed at the lower end of the adjustment frame. The upper end of the output shaft of the second motor is fixedly connected to the lower end of the vertically adjacent worm gear. The input ends of the second motor are electrically connected to the output ends of the control switch group to provide rotation drive.

[0009] Furthermore, a guide rod is fixedly connected to the rear side between the left and right inner walls of the mounting bracket, and the sliding holes at the rear end of the adjusting bracket are slidably connected to the guide rod. A bidirectional threaded rod is rotatably connected to the front side between the left and right inner walls of the mounting bracket, and the threaded holes at the front end of the adjusting bracket are threadedly connected to the left and right sides of the bidirectional threaded rod to provide a transmission connection.

[0010] Furthermore, a motor is provided on the front side of the left end of the mounting bracket. The right end of the output shaft of the motor is fixedly connected to the left end of the bidirectional threaded rod. The input end of the motor is electrically connected to the output end of the control switch group to provide rotation drive.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This positioning mechanism for aluminum profile cutting has the following advantages: Driven by motor two, the worm gear and meshing worm wheel cause the rotating shaft to rotate the double-threaded rod two. The double-threaded rod two pushes the support plate upward through the U-shaped slider, connecting rod and U-shaped block. The support plate drives the roller to push the trapezoidal slider upward. The trapezoidal slider drives the support rod to make the push plate move towards the side of the aluminum profile in sync, thus completing the positioning. When positioning the aluminum profile during cutting, the simple mechanical structure can accurately position aluminum profiles of different specifications, and the clamping force is more stable, preventing slight displacement of the aluminum profile during the cutting process and avoiding affecting the cutting accuracy of the aluminum profile. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a partially enlarged cross-sectional view of the present invention.

[0013] In the diagram: 1. Mounting bracket, 2. Guide rod, 3. Bidirectional threaded rod I, 4. Motor I, 5. Placement plate, 6. Adjustment bracket, 7. Positioning mechanism, 71. Push plate, 72. Support rod, 73. Guide rod, 74. Trapezoidal slider, 75. Support plate, 76. Bracket, 77. Roller, 78. Drive assembly, 781. U-shaped block, 782. Connecting rod, 783. U-shaped slider, 784. Bidirectional threaded rod II, 785. Motor II, 786. Worm gear, 787. Worm, 788. Isolation box, 79. Spring, 8. Control switch assembly. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-3This embodiment provides a technical solution: a positioning mechanism for aluminum profile cutting, including a mounting frame 1, a placement plate 5 at the middle of the upper end of the mounting frame 1, and left and right symmetrical adjustment frames 6 slidably connected inside the mounting frame 1. It also includes a positioning mechanism 7, a control switch group 8 on the outside of the mounting frame 1, the input end of the control switch group 8 being electrically connected to an external power source, a guide rod 2 fixedly connected to the rear side between the left and right inner walls of the mounting frame 1, sliding holes at the rear end of the adjustment frames 6 being slidably connected to the guide rod 2, and a bidirectional threaded rod 3 rotatably connected to the front side between the left and right inner walls of the mounting frame 1. The threaded hole at the front end of the adjustment frame 6... The two sides of the bidirectional threaded rod 3 are respectively threaded and connected. (A bellows can be fixedly connected between the left wall of the mounting bracket 1 and the left end of the left adjustment bracket 6, the opposite ends of the two adjustment brackets 6, and the right end of the right adjustment bracket 6 and the right wall of the mounting bracket 1. The bellows are respectively sleeved on the outside of the bidirectional threaded rod 3. The bellows will protect the bidirectional threaded rod 3 and prevent debris from entering the interior of the bidirectional threaded rod 3, ensuring the sealing and lubrication of the bidirectional threaded rod 3.) A motor 4 is provided on the front side of the left end of the mounting bracket 1. The right end of the output shaft of the motor 4 is fixed to the left end of the bidirectional threaded rod 3. The input terminal of motor 4 is electrically connected to the output terminal of control switch group 8. When cutting and positioning the aluminum profile, the aluminum profile is placed on the upper end of the placement plate 5. Then, by controlling switch group 8, motor 4 operates, and the output shaft of motor 4 drives the bidirectional threaded rod 3 to rotate. The sliding hole at the rear end of the adjusting bracket 6 is slidably connected to the guide rod 2 fixed on the rear side of the mounting bracket. The guide rod 2 restricts the adjusting bracket 6 to move only in the left and right horizontal directions to avoid deviation. (Assuming the length of the aluminum profile is a, and the thickness of the two adjusting brackets 6 is b (a fixed value), then the right side of the left adjusting bracket 6 and the right adjusting bracket...) The length of the aluminum profile between the left sides of the bracket 6 is c=a-2b. After placing the aluminum profile on the upper end of the placement plate 5, the two adjustment brackets 6 are adjusted by the scale lines on the placement plate 5. To clamp the left and right ends of the aluminum profile with length a, just observe the value of c (make c=a-2b). The threaded hole at the front end of the adjustment bracket 6 engages with the threads on the left and right sides of the bidirectional threaded rod 3. Since the threads at both ends of the bidirectional threaded rod 3 rotate in opposite directions, the rotation of the bidirectional threaded rod 3 will drive the two adjustment brackets 6 to move towards each other until the spacing between the adjustment brackets 6 matches the length of the aluminum profile on the placement plate. Positioning mechanism 7 includes a push plate 71, a support rod 72, a guide rod 73, a trapezoidal slider 74, a support plate 75, a bracket 76, rollers 77, and a spring 79. Symmetrical guide rods 73 are fixedly connected to the front and rear sides of the upper end of the adjusting frame 6. Trapezoidal sliders 74 are slidably connected between two horizontally adjacent guide rods 73. Support rods 72 are fixedly connected to the opposite ends of the trapezoidal sliders 74. Push plates 71 are fixedly connected to the opposite ends of the support rods 72. The push plates 71 are all located outside the adjusting frame 6. Support plates 75 are slidably connected to the front and rear sides inside the adjusting frame 6. Rollers 77 are rotatably connected to the upper ends of the support plates 75 via brackets 76. The portion between the inner wall of the adjusting frame 6 and the opposite ends of the longitudinally adjacent trapezoidal sliders 74... Springs 79 are respectively sleeved on the outside of the support rod 72. (A sealing plate is installed on the left side of the adjusting frame 6 by bolts. The opposite ends of the support rod 72 are installed on the inner end of the trapezoidal slider 74 by threads. After long-term use, the springs 79 will lose their elasticity and need to be replaced. When the springs 79 need to be replaced, first unscrew the bolts, remove the sealing plate, then rotate the support rod 72. After the support rod 72 is disengaged from the trapezoidal slider 74, the springs 79 can be replaced. After replacement, the support rod 72 is screwed back on, and then the sealing plate is installed by bolts to ensure the elasticity of the springs 79.) The outer surface of the roller 77 is slidably connected to the inclined surface of the vertically adjacent trapezoidal slider 74. The positioning mechanism 7 also includes a drive. The moving component 78 includes a U-shaped block 781, a connecting rod 782, a U-shaped slider 783, a bidirectional threaded rod 784, and an isolation box 788. The isolation boxes 788 are respectively disposed at the center of the bottom wall of the adjusting frame 6. The front and rear inner walls of the adjusting frame 6 are rotatably connected to the front and rear ends of the longitudinally adjacent isolation boxes 788 by bidirectional threaded rods 784. The front and rear ends of the bidirectional threaded rods 784 are threadedly connected to the U-shaped sliders 783. Corrugated pipes are fixedly connected between the front and rear inner walls of the adjusting frame 6 and the front and rear sides of the isolation boxes 788 located inside the same adjusting frame 6. The corrugated pipes are respectively sleeved on the outside of the bidirectional threaded rods 784, protecting them and preventing debris from entering. The interior of the second bidirectional threaded rod 784 ensures its sealing and lubrication. U-shaped blocks 781 are respectively provided at the lower end of the support plate 75. The front and rear ends of the U-shaped blocks 781 are respectively rotatably connected to the upper ends of the vertically adjacent U-shaped sliders 783 via pins, with connecting rods 782. A rotating shaft is fixedly connected between two longitudinally adjacent second bidirectional threaded rods 784. The drive assembly 78 also includes worm gears 786 and worms 787. The worm gears 786 are respectively fixedly sleeved on the outside of the rotating shafts. Worms 787 are rotatably connected to the bottom wall of the adjusting frame 6. The worm gears 786 are respectively meshed with the vertically adjacent worms 787. The drive assembly 78 also includes a second motor 785, which is respectively located at the lower end of the adjusting frame 6.The upper end of the output shaft of motor 785 is fixedly connected to the lower end of the vertically adjacent worm 787. The input end of motor 785 is electrically connected to the output end of control switch group 8. When control switch group 8 is adjusted, motor 785 operates. The output shaft of motor 785 drives the worm 787 to rotate. The worm 787 drives the rotating shaft to rotate through the meshing worm wheel 786. The rotating shaft drives the two bidirectional threaded rods 784 on both sides to rotate. The two ends of each bidirectional threaded rod 784 are threadedly connected to U-shaped sliders 783. Because the threads at both ends of the bidirectional threaded rod 784 have opposite directions of rotation, when the bidirectional threaded rod 784 rotates, it will drive the same bidirectional threaded rod 784 to rotate. The two U-shaped sliders 783 move towards each other. When the U-shaped sliders 783 move towards each other, the connecting rod 782 pushes the U-shaped block 781 upward, causing the support plate 75 to slide upward along the inner wall of the adjusting frame 6. When the support plate 75 slides upward, the roller 77 moves upward accordingly, pushing the inclined surface of the trapezoidal slider 74 upward. Because the trapezoidal slider 74 is restricted by the guide rod 73 to move only horizontally, the trapezoidal slider 74 will compress the spring 79. At the same time, the vertical pushing force on the inclined surface of the trapezoidal slider 74 will be converted into a longitudinal pushing force, causing the trapezoidal slider 74 to move towards each other along the guide rod 73. This will then drive the push plate 71 to move towards the side of the aluminum profile simultaneously through the support rod 72. Until the two longitudinally adjacent push plates 71 are tightly fitted to the left and right sides of the aluminum profile, the aluminum profile is completely fixed on the placement plate 5, completing the positioning. (The upper end of the adjustment frame 6 is provided with observation windows, and the outer surface of the guide rod 73 is provided with scale line two. The distance between the front wall and the rear wall of the adjustment frame 6 is d (a fixed value). The trapezoidal slider 74 is adjusted through the observation windows and scale line two. The opposite ends of the two trapezoidal sliders 74 are installed in conjunction with the adjacent scale line two. The moving distance of the trapezoidal slider 74 is f, and the width of the aluminum profile is e. Therefore, e = d - 2f, which is the clamping width of the aluminum profile. So, to clamp an aluminum profile with a width of e, it is only necessary to observe the trapezoidal slider 74.) The movement distance f of 4 is sufficient (the movement distance of trapezoidal slider 74 is the same as the movement distance of push plate 71). Then, cutting is performed. After cutting, the motor 785 is started by controlling switch group 8, causing worm gear 787 to rotate in the opposite direction. This, in turn, drives worm wheel 786, rotating shaft, and bidirectional threaded rod 784 to rotate in the opposite direction. The relative movement of U-shaped slider 783 causes connecting rod 782 to pull down U-shaped block 781. U-shaped block 781 causes support plate 75 to slide downwards. Roller 77 moves downwards and disengages from trapezoidal slider 74. Trapezoidal slider 74 loses its pushing force and, under the rebound of spring 79, will move support rod 72 and push plate 71 away from the aluminum profile, releasing the fixation.

[0016] The working principle of the positioning mechanism for aluminum profile cutting provided by this utility model is as follows: When positioning the aluminum profile for cutting, the mounting bracket 1 is installed on the upper end of the equipment, and the aluminum profile is placed on the upper end of the placement plate 5. Then, by controlling the control switch group 8, the motor 4 operates, and the output shaft of the motor 4 drives the bidirectional threaded rod 3 to rotate. The sliding hole at the rear end of the adjusting bracket 6 is slidably connected to the guide rod 2 fixed on the rear side of the mounting bracket. The guide rod 2 restricts the adjusting bracket 6 to move only in the left and right horizontal directions to avoid deviation. The threaded hole at the front end of the adjusting bracket 6 engages with the threads on the left and right sides of the bidirectional threaded rod 3. Because the threads at both ends of the bidirectional threaded rod 3 rotate in opposite directions, the bidirectional threaded rod 3 rotates in opposite directions. When threaded rod 3 rotates, it drives the two adjusting brackets 6 on the left and right to move towards each other until the distance between the adjusting brackets 6 matches the length of the aluminum profile on the placement plate. Control switch group 8 then adjusts the mechanism, and motor 785 operates. The output shaft of motor 785 drives the worm gear 787 to rotate. The worm gear 787 drives the rotating shaft to rotate through the meshing worm wheel 786. The rotating shaft drives the two bidirectional threaded rods 784 on both sides to rotate. Each bidirectional threaded rod 784 has U-shaped sliders 783 threadedly connected to both ends. Because the threads on both ends of the bidirectional threaded rod 784 rotate in opposite directions, the rotation of the bidirectional threaded rod 784 drives the two U-shaped sliders 783 on the same bidirectional threaded rod 784 to move towards each other. As the U-shaped sliders 783 move towards each other, the connecting rod 782 pushes the U-shaped block 781 upwards, causing the support plate 75 to slide upwards along the inner wall of the adjusting frame 6. As the support plate 75 slides upwards, the roller 77 moves upwards accordingly, pushing the inclined surface of the trapezoidal slider 74 upwards. Because the trapezoidal slider 74 is restricted to horizontal movement by the guide rod 73, it compresses the spring 79. Simultaneously, the vertical pushing force on the inclined surface of the trapezoidal slider 74 is converted into a longitudinal pushing force, causing the trapezoidal slider 74 to move towards each other along the guide rod 73. This, in turn, drives the push plate 71 to move synchronously towards the side of the aluminum profile through the support rod 72, until the two longitudinally adjacent push plates 71... Both sides are tightly fitted to the left and right sides of the aluminum profile. At this time, the aluminum profile is completely fixed on the placement plate 5, and the positioning is completed. Then, cutting is carried out. After the cutting is completed, the motor 785 is started by controlling the switch group 8, which makes the worm 787 rotate in the opposite direction. This drives the worm wheel 786, the rotating shaft, and the double-threaded rod 784 to rotate in the opposite direction. The U-shaped slider 783 moves relative to the connecting rod 782 and pulls down the U-shaped block 781. The U-shaped block 781 drives the support plate 75 to slide down. The roller 77 moves down and disengages from the trapezoidal slider 74. The trapezoidal slider 74 loses its pushing force. Under the rebound of the spring 79, the trapezoidal slider 74 will drive the support rod 72 and the push plate 71 away from the aluminum profile and loosen the fixation.

[0017] It is worth noting that the motor 4 and motor 785 disclosed in the above embodiments can both be 35BYJ46. The control switch group 8 is provided with a switch button that corresponds one-to-one with motor 4 and motor 785 and is used to control their switching operation.

[0018] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A positioning mechanism for cutting aluminum profiles, comprising a mounting frame (1), the middle of the upper end of the mounting frame (1) is provided with a placement plate (5), the inside of the mounting frame (1) is slidably connected with left-right symmetrical adjusting frames (6), characterized in that: It also includes a positioning mechanism (7); Positioning mechanism (7): It includes a push plate (71), a support rod (72), a guide rod (73), a trapezoidal slider (74), a support plate (75), a bracket (76), a roller (77), and a spring (79). The front and rear sides of the upper end of the adjusting frame (6) are respectively fixedly connected with symmetrical guide rods (73). Trapezoidal sliders (74) are slidably connected between two horizontally adjacent guide rods (73). The opposite ends of the trapezoidal sliders (74) are respectively fixedly connected with support rods (72). The opposite ends of the support rods (72) are respectively fixedly connected with support rods (72). A push plate (71) is fixedly connected to the outside of the adjustment frame (6). Support plates (75) are slidably connected to the front and rear sides of the inside of the adjustment frame (6). Rollers (77) are rotatably connected to the upper ends of the support plates (75) through brackets (76). Springs (79) are respectively sleeved on the outside of the support rods (72) between the inner wall of the adjustment frame (6) and the opposite ends of the longitudinally adjacent trapezoidal sliders (74). The outer surfaces of the rollers (77) are slidably connected to the inclined surfaces of the vertically adjacent trapezoidal sliders (74).

2. The positioning mechanism for aluminum profile cutting according to claim 1, characterized in that: The mounting bracket (1) is provided with a control switch group (8) on its exterior, and the input end of the control switch group (8) is electrically connected to an external power source.

3. The positioning mechanism for aluminum profile cutting according to claim 2, characterized in that: The positioning mechanism (7) further includes a drive assembly (78), which includes a U-shaped block (781), a connecting rod (782), a U-shaped slider (783), a two-way threaded rod (784), and an isolation box (788). The isolation boxes (788) are respectively located at the center of the bottom wall of the adjusting frame (6). The front and rear inner walls of the adjusting frame (6) are respectively rotatably connected to the front and rear ends of the longitudinally adjacent isolation boxes (788) by two-way threaded rods (784). The front and rear ends of the two-way threaded rods (784) are respectively threadedly connected to the U-shaped sliders (783). The lower end of the support plate (75) is provided with a U-shaped block (781). The front and rear ends of the U-shaped block (781) are respectively rotatably connected to the upper end of the vertically adjacent U-shaped sliders (783) by connecting rods (782) through pins. The two longitudinally adjacent two-way threaded rods (784) are fixedly connected by a rotating shaft.

4. The positioning mechanism for aluminum profile cutting according to claim 3, characterized in that: The drive assembly (78) also includes a worm wheel (786) and a worm (787). The worm wheel (786) is fixedly sleeved on the outside of the rotating shaft. The bottom wall of the adjusting frame (6) is rotatably connected to the worm (787). The worm wheel (786) meshes with the vertically adjacent worm (787).

5. The positioning mechanism for aluminum profile cutting according to claim 4, characterized in that: The drive assembly (78) also includes a second motor (785), which is respectively located at the lower end of the adjustment frame (6). The upper end of the output shaft of the second motor (785) is fixedly connected to the lower end of the vertically adjacent worm (787). The input end of the second motor (785) is electrically connected to the output end of the control switch group (8).

6. The positioning mechanism for aluminum profile cutting according to claim 2, characterized in that: The rear side of the mounting bracket (1) is fixedly connected to the left and right inner walls. The sliding holes at the rear end of the adjusting bracket (6) are slidably connected to the guide rod (2). The front side of the mounting bracket (1) is rotatably connected to the double-threaded rod (3). The threaded holes at the front end of the adjusting bracket (6) are threadedly connected to the left and right sides of the double-threaded rod (3).

7. The positioning mechanism for aluminum profile cutting according to claim 6, characterized in that: The front side of the left end of the mounting bracket (1) is provided with a motor (4). The right end of the output shaft of the motor (4) is fixedly connected to the left end of the bidirectional threaded rod (3). The input end of the motor (4) is electrically connected to the output end of the control switch group (8).

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