A type of correction fixture for bending aluminum profiles

Abstract

This utility model discloses a correction fixture for bending aluminum profiles, belonging to the technical field of aluminum profile bending tools. The device includes a second rotating arm for fixing the aluminum profile and a first rotating arm for bending the aluminum profile. The first and second rotating arms are movably connected. By bending the first rotating arm, the aluminum profile inside the first and second rotating arms moves relative to each other. In use, the fixed rod and bending rod provide convenient embedding space for the aluminum profile. Combined with the slidably fitted first and second bending cylinders, precise positioning of the aluminum profile is achieved. Using the lever principle, the operator only needs to manually bend the first rotating arm to induce relative movement of the aluminum profile within the first and second rotating arms with a small force. This allows the operator to easily correct the aluminum profile, making the correction operation more time-saving and labor-saving. The rotating shaft and fixed shaft provide effective buffering for the bending of the aluminum profile, effectively protecting it.

Description

Technical Field

[0001] This utility model relates to the technical field of aluminum profile bending tools, and in particular to a correction fixture for bending aluminum profiles. Background Technology

[0002] Aluminum profile bending is a processing technique that bends aluminum profiles into various shapes. Using specialized equipment, external force is applied to the aluminum profile according to design requirements, causing it to undergo plastic deformation and bend into a specific angle and shape. This process can meet the diverse shape requirements of different products, such as the manufacture of door and window frames and industrial equipment supports.

[0003] When bending aluminum profiles, they are first placed on the bending machine die, and then bent at a preset angle using hydraulic or mechanical force. Under the action of force, the internal grain structure of the aluminum profile changes, resulting in plastic deformation and achieving the bent shape. However, after the external force is removed, due to the elasticity of aluminum, elastic deformation may occur, causing springback and a slight deviation of the bending angle from the preset value. For these defective products, operators will apply appropriate external force to the aluminum profile again based on experience or with the help of measuring tools to accurately correct the angle change caused by springback, ensuring that the final product angle meets the design requirements and guaranteeing product quality.

[0004] The shortcomings of the existing technical solutions are as follows: when performing alignment operations on aluminum profiles with thick aluminum walls, significant resistance is often encountered, making the entire operation quite laborious. Due to the inherent characteristics of the profiles, operators find it difficult to precisely control the amount of force applied during manual alignment. Excessive force often results in overcorrection; or uneven force application or improper control leads to insufficient alignment accuracy. Utility Model Content

[0005] This utility model provides a correction tool for bending aluminum profiles, which can solve the problem in the prior art that when performing correction operations on aluminum profiles with thick aluminum walls, there is often a large resistance, making the whole operation process more laborious.

[0006] A correction fixture for bending aluminum profiles includes a second rotating arm for fixing the aluminum profile and a first rotating arm for bending the aluminum profile. The first rotating arm and the second rotating arm are movably connected. By bending the first rotating arm, the aluminum profile inside the first rotating arm and the second rotating arm will move relative to each other.

[0007] As a further embodiment of the present invention: the second rotating arm includes a fixed rod, one end of which is fixedly connected to a fixed shaft; the first rotating arm includes a lever, one end of which is fixedly connected to a rotating shaft that is movably connected to the fixed shaft.

[0008] As a further embodiment of this utility model: the fixed shaft is provided with an angle limiting component for limiting the bending angle of the bending rod.

[0009] As a further embodiment of this utility model: the cross-sectional shape of the bending rod and the fixed rod is U-shaped or L-shaped.

[0010] As a further embodiment of this utility model: a first bend sleeve for limiting the aluminum profile is slidably sleeved on the bend rod, and a second bend sleeve for limiting the aluminum profile is slidably sleeved on the fixed rod.

[0011] As a further embodiment of this utility model: the angle limiting component includes a positioning cover rotatably mounted on a fixed shaft, and a plurality of positioning grooves are formed around one side of the fixed shaft and inside the positioning cover. A positioning element that cooperates with the positioning groove is detachably mounted on the positioning cover. A rotating shaft is rotatably mounted on the axis of the fixed shaft and is fixedly connected to the rotating shaft coaxially. A positioning block that cooperates with the positioning element is fixedly mounted on one side of the rotating shaft.

[0012] As a further embodiment of this utility model: the positioning element includes a spiral hole formed on the positioning cover, and the spiral hole is internally threaded with a positioning bolt that mates with the positioning groove.

[0013] As a further embodiment of this utility model: the fixed shaft is provided with positioning marks corresponding to the position of the spiral hole on the side near the positioning cover.

[0014] As a further embodiment of this utility model: an alignment block for aligning with the positioning mark is fixedly provided on the side of the positioning cover near the spiral hole.

[0015] As a further embodiment of this invention, at least two sets of spiral holes are provided.

[0016] The beneficial effects of this utility model are:

[0017] 1. In use, the fixed rod and the lever provide a convenient embedding space for the aluminum profile. Combined with the slidably fitted first and second levers, precise positioning of the aluminum profile is achieved. Using the lever principle, workers can easily move the aluminum profile within the first and second levers by simply turning the first rotating arm with a small force. This allows workers to easily correct the aluminum profile's alignment, improving work efficiency and making the correction operation more time-saving and labor-saving.

[0018] 2. In use, the rotating shaft and fixed shaft of this invention provide effective buffering for the bending of the aluminum profile. When the operator bends the first rotating arm to bend the aluminum profile, these two rotating shafts can disperse and reduce the stress generated during the bending process, preventing the aluminum profile from cracking due to sudden force or excessive bending. This effectively protects the aluminum profile and improves the product qualification rate. Attached Figure Description

[0019] Figure 1 A schematic diagram of the overall structure of a correction fixture for bending aluminum profiles provided by this utility model;

[0020] Figure 2 A schematic diagram of the unfolded structure of a correction fixture for bending aluminum profiles provided by this utility model;

[0021] Figure 3 A schematic diagram of the angle limiting component structure for a bending correction tool for aluminum profiles provided by this utility model;

[0022] Figure 4 This utility model provides a schematic diagram of the internal structure of an angle limiting component for correcting bending of aluminum profiles.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. First rotating arm; 101. Bending rod; 102. First rotating shaft; 103. First bending cylinder; 2. Second rotating arm; 201. Fixed rod; 202. Second rotating shaft; 203. Second bending cylinder; 3. Angle limiting component; 301. Positioning cover; 302. Spiral hole; 303. Positioning bolt; 304. Positioning groove; 305. Rotating shaft; 306. Positioning block; 307. Positioning mark; 308. Alignment block. Detailed Implementation

[0025] The specific embodiments of this utility model are described in detail below, but it should be understood that the scope of protection of this utility model is not limited to the specific embodiments.

[0026] like Figures 1 to 4 As shown in the figure, this utility model provides a straightening fixture for bending aluminum profiles, including a second rotating arm 2 for fixing the aluminum profile and a first rotating arm 1 for bending the aluminum profile. The first rotating arm 1 and the second rotating arm 2 are connected by a movable connection, which allows for a certain degree of flexibility. In actual operation, the operator only needs to bend the first rotating arm 1 to cause relative movement of the aluminum profile inside the first rotating arm 1 and the second rotating arm 2, thereby successfully completing the straightening operation of the aluminum profile.

[0027] Specifically, such as Figure 1As shown, the second rotating arm 2 includes a fixed rod 201, one end of which is fixedly connected to a fixed shaft 202. The first rotating arm 1 includes a bending rod 101, one end of which is fixedly connected to a rotating shaft 102 movably connected to the fixed shaft 202. The rotating shaft 102 and the fixed shaft 202 can buffer the bending degree of the aluminum profile. During the bending process of the aluminum profile, if the bending is too large, it can easily cause damage to the aluminum profile. The presence of the rotating shaft 102 and the fixed shaft 202 can effectively avoid this situation and ensure that the aluminum profile is corrected within a reasonable bending range.

[0028] The cross-sectional shapes of the lever 101 and the fixed lever 201 are U-shaped or L-shaped, allowing the aluminum profile to be easily embedded within them, facilitating manual manipulation by workers. Simultaneously, a first lever sleeve 103 for limiting the aluminum profile is slidably fitted onto the lever 101, and a second lever sleeve 203 for limiting the aluminum profile is slidably fitted onto the fixed lever 201. The first and second lever sleeves 103 and 203 precisely limit the aluminum profile, ensuring a tight fit between the aluminum profile and the lever 101 and fixed lever 201. This allows workers to fully utilize the lever principle and more easily perform alignment operations on the aluminum profile.

[0029] In order to further control the bending angle of the aluminum profile, an angle limiting component 3 is provided on the fixed shaft 202 to limit the bending angle of the bending rod 101.

[0030] In the first embodiment of the angle limiting component 3, the angle limiting component 3 is fixedly mounted on the fixed shaft 202. A positioning element is provided on the rotating shaft 102. When the rotating shaft 102 rotates to a certain angle, the positioning element contacts the angle limiting component 3, thereby limiting the movement of the bending lever 101. This design ensures that the bending lever 101 can only bend the aluminum profile to a fixed angle. In practical applications, the angle limitation is preferably 90°, which can meet the correction needs of most aluminum profiles.

[0031] In the second embodiment of the angle limiting component 3, the angle limiting component 3 includes a positioning cover 301 rotatably mounted on the fixed shaft 202. Multiple sets of positioning grooves 304 are formed around one side of the fixed shaft 202 and inside the positioning cover 301. Each positioning groove 304 has a large opening and a small bottom, a design that facilitates accurate insertion and stable positioning of the positioning element. A positioning element that mates with the positioning groove 304 is detachably mounted on the positioning cover 301. Rotation of the positioning cover 301 can drive the positioning element to rotate. A rotating shaft 305 is rotatably mounted on the fixed shaft 202 and coaxially fixedly connected to the rotating shaft 102. A positioning block 306 that mates with the positioning element is fixedly mounted on one side of the rotating shaft 305. When the positioning element blocks the positioning block 306, the lever 101 is limited.

[0032] Specifically, the positioning component includes a spiral hole 302 formed in the positioning cover 301, with a positioning bolt 303 threaded inside the spiral hole 302 that mates with the positioning groove 304. In actual operation, the operator only needs to screw the positioning bolt 303 into the spiral hole 302 to achieve positioning between the positioning bolt 303 and the positioning cover 301. Then, the positioning bolt 303 can be inserted into the positioning groove 304, thereby achieving positioning between the positioning bolt 303 and the fixed shaft 202, and limiting the bending angle of the bending rod 101 through the positioning bolt 303.

[0033] Furthermore, to facilitate user operation, the fixed shaft 202 is surrounded by positioning marks 307 corresponding to the positions of the spiral holes 302 on the side near the positioning cover 301. These positioning marks 307 provide a clear reference for the user, making it easy for the user to accurately screw the positioning bolt 303 into the spiral holes 302. An alignment block 308 is fixedly provided on the side of the positioning cover 301 near the spiral holes 302 for alignment with the positioning marks 307. The presence of the alignment block 308 ensures that the positioning bolt 303 can accurately align with the positioning marks 307 during rotation, further improving the accuracy and convenience of operation. In addition, two sets of spiral holes 302 can be provided.

[0034] Working principle: When adjusting the angle, the operator rotates the positioning cover 301 according to the actual bending angle requirements of the aluminum profile. By observing the alignment of the alignment block 308 and the positioning mark 307, the rotation position of the positioning cover 301 is precisely determined. After determining the position of the positioning cover 301, the positioning bolt 303 is screwed into the corresponding positioning groove 304, completing the positioning of the positioning bolt 303 and the fixed shaft 202, thus limiting the correction angle.

[0035] After adjusting the angle, the worker places the aluminum profile to be corrected smoothly inside the bending rod 101 and the fixed rod 201. The first bending cylinder 103 and the second bending cylinder 203 are manually slid to ensure they fit tightly against the aluminum profile. The first bending cylinder 103 and the second bending cylinder 203 effectively limit the position of the aluminum profile, ensuring that its position remains fixed during subsequent bending operations, preventing displacement or wobbling, and providing a stable foundation for accurate correction.

[0036] The worker holds the first rotating arm 1 with their hand, applies appropriate force according to the required bending strength and rhythm, and slowly bends the first rotating arm 1. During the bending process, the aluminum profile inside the first rotating arm 1 and the second rotating arm 2 will move relative to each other under the action of force, and gradually bend.

[0037] When aluminum profiles are bent under stress, excessive bending speed or force can easily lead to damage due to excessive stress. The presence of the rotating shaft 102 and the fixed shaft 202 can effectively slow down the bending speed of the aluminum profile, disperse the stress generated during the bending process, and allow the aluminum profile to deform gradually within a reasonable bending range, avoiding damage caused by sudden force or excessive bending, and ensuring that the quality and performance of the aluminum profile are not affected.

[0038] When the worker turns the first rotating arm 1, the first rotating arm 1 drives the rotating shaft 305 connected to it to rotate, and the positioning block 306 fixed on the rotating shaft 305 will move accordingly. When the positioning block 306 moves to contact the positioning bolt 303 that has been positioned, the positioning bolt 303 will stop the positioning block 306 from moving further, indicating that the aluminum profile has reached the preset bending angle. At this time, the turning of the first rotating arm 1 is stopped, the correction operation of the aluminum profile is completed, and the first rotating arm 1 is limited, so that the bending angle of the aluminum profile is precisely controlled within the required range.

[0039] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. A rectification tool for bending aluminum profile, characterized in that, It includes a second rotating arm (2) for fixing the aluminum profile and a first rotating arm (1) for bending the aluminum profile. The first rotating arm (1) and the second rotating arm (2) are movably connected. By bending the first rotating arm (1), the aluminum profile inside the first rotating arm (1) and the second rotating arm (2) will move relative to each other.

2. The correction fixture for bending aluminum profiles as described in claim 1, characterized in that, The second rotating arm (2) includes a fixed rod (201), one end of which is fixedly connected to a fixed shaft (202). The first rotating arm (1) includes a lever (101), one end of which is fixedly connected to a rotating shaft (102) that is movably connected to the fixed shaft (202).

3. The correction fixture for bending aluminum profiles as described in claim 2, characterized in that, An angle limiting component (3) is provided on the fixed shaft (202) for limiting the bending angle of the bending rod (101).

4. The correction fixture for bending aluminum profiles as described in claim 2, characterized in that, The cross-sectional shape of the bending rod (101) and the fixed rod (201) is U-shaped or L-shaped.

5. The correction fixture for bending aluminum profiles as described in claim 4, characterized in that, The first bend cylinder (103) for limiting the aluminum profile is slidably sleeved on the bend rod (101), and the second bend cylinder (203) for limiting the aluminum profile is slidably sleeved on the fixed rod (201).

6. The correction fixture for bending aluminum profiles as described in claim 3, characterized in that, The angle limiting component (3) includes a positioning cover (301) rotatably mounted on a fixed shaft (202). A plurality of positioning grooves (304) are provided around one side of the fixed shaft (202) and inside the positioning cover (301). A positioning element that cooperates with the positioning groove (304) is detachably mounted on the positioning cover (301). A rotating shaft (305) is rotatably mounted on the fixed shaft (202) and is coaxially fixedly connected to the rotating shaft (102). A positioning block (306) that cooperates with the positioning element is fixedly mounted on one side of the rotating shaft (305).

7. The correction fixture for bending aluminum profiles as described in claim 6, characterized in that, The positioning element includes a spiral hole (302) opened on the positioning cover (301), and a positioning bolt (303) that mates with the positioning groove (304) is threaded inside the spiral hole (302).

8. The correction fixture for bending aluminum profiles as described in claim 7, characterized in that, The fixed shaft (202) is surrounded by a positioning mark (307) corresponding to the position of the spiral hole (302) on the side near the positioning cover (301).

9. The correction fixture for bending aluminum profiles as described in claim 8, characterized in that, The positioning cover (301) has an alignment block (308) fixedly provided on its side near the spiral hole (302) for alignment with the positioning mark (307).

10. The correction fixture for bending aluminum profiles as described in claim 7, characterized in that, The spiral hole (302) is provided in at least two sets.

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