Stretching and straightening device for aluminum bar production

Abstract

The utility model discloses a stretch straightening device for aluminum bar production, which belongs to the technical field of aluminum bar production and comprises an L-shaped base, a fixed plate is fixedly arranged on one side of the L-shaped base, a movable plate is slidably arranged on the other side of the L-shaped base, and the same sides of the movable plate and the fixed plate are both attached to the vertical end of the L-shaped base. Three-jaw chucks used for fixing aluminum bars are rotationally installed on the opposite sides of the movable plate and the fixed plate correspondingly, a U-shaped frame is fixedly connected to the side, away from the mounting groove, of the connecting plate, air cylinders are fixedly installed on the opposite sides of the vertical ends of the two sides of the U-shaped frame correspondingly, and arc-shaped clamping plates are fixedly installed at the movable ends of the air cylinders correspondingly. The two ends of an aluminum bar are fixed to the three-jaw chucks respectively, then the fixed aluminum bar is stretched through movement of the movable plate, after stretching, the bent section of the aluminum bar is repeatedly clamped and extruded through the air cylinders and the arc-shaped clamping plates at the two ends of the U-shaped frame, and the bent section of the aluminum bar is clamped to be straight; the bent section of the stretched aluminum bar is corrected, and the correction effect of the aluminum bar is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum bar production technical field especially relates to a kind of stretching straightening device for aluminum bar production. BACKGROUND

[0002] In the process of casting aluminum bar, the internal chemical composition and organization of aluminum bar can exist uneven phenomenon, while internal generally all exist residual stress, to eliminate the residual stress of cast ingot, eliminate the unevenness of the chemical composition and organization of cast ingot, improve the pressure processing process of cast ingot and certain final performance of product, aluminum bar in rolling process can cause bending and lead to product unqualified, so as to eliminate the bending defect of aluminum material by straightening process.

[0003] In modern industry, commonly used straightening method is to stretch aluminum bar by external force, so that the bending part of aluminum bar becomes straight, so that aluminum bar reaches qualified state, but the existing stretching straightening device, when stretching straightening, one section of aluminum bar can have relatively bending arc, and it is difficult to correct by stretching alone, leading to poor correction effect of aluminum bar, which affects the correction quality of aluminum bar.

[0004] Therefore, we propose a kind of stretching straightening device for aluminum bar production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of aluminum bar correction effect in prior art, and proposes a kind of stretching straightening device for aluminum bar production.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of stretching straightening device for aluminum bar production, including L type base, the side of L type base is fixed with fixed plate, and the other side is slidably provided with moving plate, the same side of moving plate and fixed plate is pasted with the vertical end of L type base, the side of moving plate and fixed plate opposite each other is rotatably installed with three-jaw chuck of fixed aluminum bar, the vertical end of L type base is horizontally provided with installation groove, the connecting plate is horizontally installed in the installation groove, the side of connecting plate away from installation groove is fixedly connected with U type frame, the opposite side of the vertical end of U type frame both sides is fixedly installed with pneumatic cylinder, the moving end of pneumatic cylinder is fixedly installed with arc clamping plate, the installation groove is equipped with the drive assembly of driving connecting plate movement, the horizontal end of L type base is equipped with the stretching piece of driving moving plate stretching aluminum bar.

[0008] Preferably, the drive assembly includes a first lead screw rotatably mounted in the installation groove, and the fixed plate is provided with a motor connected with the first lead screw.

[0009] Preferably, the horizontal end of the U-shaped frame is fixedly connected with a support rod, and a first guide rod is fixedly installed in the L-shaped base and sleeved with one end of the support rod.

[0010] Preferably, a second guide rod is fixedly arranged in the vertical end of the L-shaped base, the stretching member comprises a second lead screw, the second lead screw is rotatably installed in the horizontal end of the L-shaped base, and the moving plate is slidably sleeved with the second guide rod close to the vertical end of the L-shaped base.

[0011] Preferably, the two three-jaw chucks are coaxially arranged, and a through hole coaxial with the three-jaw chucks is formed in the moving plate.

[0012] Preferably, the curvature of the arc-shaped clamping plate is greater than the curvature of a semicircle.

[0013] In summary, the technical effects and advantages of the present application are as follows: the L-shaped base, the moving plate, the fixed plate, the three-jaw chuck, the connecting plate, the U-shaped frame, the air cylinder and the arc-shaped clamping plate are arranged, the two ends of the aluminum bar are fixed on the three-jaw chucks, then the fixed aluminum bar is stretched by moving the moving plate, after stretching, the curved section of the aluminum bar is repeatedly clamped and extruded by the air cylinder and the arc-shaped clamping plate at the two ends of the U-shaped frame, the curved section of the aluminum bar is straightened, the curved section of the aluminum bar after stretching is corrected, the correction effect of the aluminum bar is improved, and the production quality of the aluminum bar is improved; the support rod and the first guide rod are arranged, when the U-shaped frame moves, the U-shaped frame is supported by the support rod, and the support rod moves along the first guide rod, and the smoothness of movement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of a stretching and straightening device for aluminum bar production.

[0015] Figure 2 It is a sectional view of a stretching and straightening device for aluminum bar production.

[0016] Figure 3 It is a sectional view of a U-shaped frame structure of a stretching and straightening device for aluminum bar production.

[0017] In the drawings: 1, base; 2, fixed plate; 3, moving plate; 4, three-jaw chuck; 5, mounting groove; 6, first lead screw; 7, connecting plate; 8, U-shaped frame; 9, support rod; 10, second lead screw; 11, first guide rod; 12, air cylinder; 13, arc-shaped clamping plate; 14, second guide rod; 15, motor; 16, through hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0019] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings and specific embodiments of the specification.

[0020] Referring to Figures 1-2 , a stretching and straightening device for aluminum bar production, comprising an L-shaped base 1, one side of the L-shaped base 1 is fixedly provided with a fixed plate 2, the other side is slidably provided with a moving plate 3, the same side of the moving plate 3 and the fixed plate 2 is attached to the vertical end of the L-shaped base 1, the side of the moving plate 3 and the fixed plate 2 facing each other is rotatably installed with a three-jaw chuck 4 for fixing the aluminum bar, the two ends of the aluminum bar are fixed by the three-jaw chuck 4, and a driving device connected with the three-jaw chuck 4 is installed on one side of the fixed plate 2, the vertical end of the L-shaped base 1 is transversely provided with a mounting groove 5, the connecting plate 7 is horizontally installed in the mounting groove 5, the U-shaped frame 8 is fixedly connected to the side of the connecting plate 7 away from the mounting groove 5, the air cylinders 12 are fixedly installed on the opposite sides of the vertical ends of the U-shaped frame 8, the moving ends of the air cylinders 12 are fixedly installed with arc-shaped clamping plates 13, the vertical ends of the U-shaped frame 8 are located on both sides of the three-jaw chuck 4, and the arc-shaped clamping plates 13 are located on both sides of the installed aluminum bar, the mounting groove 5 is provided with a driving assembly for driving the movement of the connecting plate 7, and the horizontal end of the L-shaped base 1 is provided with a stretching member for driving the moving plate 3 to stretch the aluminum bar. By fixing the two ends of the aluminum bar on the three-jaw chuck 4 respectively, then moving the moving plate 3 to stretch the fixed aluminum bar, after stretching, the air cylinders 12 and the arc-shaped clamping plates 13 at both ends of the U-shaped frame 8 repeatedly clamp and extrude the curved section of the aluminum bar, the curved section of the aluminum bar is clamped straight, the curved section of the aluminum bar after stretching is corrected, and the correction effect of the aluminum bar is improved.

[0021] Referring to Figure 1 , the driving assembly comprises a first lead screw 6 rotatably installed in the mounting groove 5, one side of the fixed plate 2 is provided with a motor 15 connected with the first lead screw 6, the first lead screw 6 is driven to rotate by the motor 15, so that the connecting plate 7 moves along the first lead screw 6, first find the curved section of the aluminum bar after stretching, then move the U-shaped frame 8 to the curved part of the aluminum bar by the first lead screw 6, and correct it by the arc-shaped clamping plate 13.

[0022] Referring to Figures 1-3 , the horizontal end of the U-shaped frame 8 is fixedly connected with a support rod 9, and the first guide rod 11 is fixedly installed in the L-shaped base 1 and sleeved on one end of the support rod 9, when the U-shaped frame 8 moves, the U-shaped frame 8 is supported by the support rod 9, and the first guide rod 11 is used to realize the smoothness of the support rod 9 during movement.

[0023] Referring to Figure 1, the vertical end of the L-shaped base 1 is fixedly provided with a second guide rod 14, the stretching member comprises a second screw rod 10, the second screw rod 10 is rotatably installed in the horizontal end of the L-shaped base 1, the moving plate 3 is slidably sleeved on the second guide rod 14 close to the vertical end of the L-shaped base 1, the second screw rod 10 is driven to move the moving plate 3, the aluminum bar fixed on the three-jaw chuck 4 is stretched, and the stability of the moving plate 3 is improved by the second guide rod 14.

[0024] With reference to Figure 2 , the two three-jaw chucks 4 are coaxially arranged, and the moving plate 3 is provided with a through hole 16 coaxial with the three-jaw chucks 4, the smaller aluminum bar is passed through the through hole 16 of the moving plate 3 and placed on the three-jaw chuck 4 of the fixed plate 2.

[0025] With reference to Figure 1 , the curvature of the arc-shaped clamping plate 13 is greater than that of a semicircle, so as to adapt to aluminum bars of different sizes, and the greater curvature facilitates the correction of the bent part of the aluminum bar.

[0026] Working principle:

[0027] First, the two ends of the aluminum bar are placed on the three-jaw chucks 4 of the moving plate 3 and the fixed plate 2 respectively, then the aluminum bar is stretched by the moving plate 3, then if the aluminum bar is still bent after stretching, the U-shaped frame 8 is moved to the bent part of the aluminum bar by rotating the first screw rod 6, then the arc-shaped clamping plate 13 is driven by the two side cylinders 12 of the vertical end of the U-shaped frame to correct the aluminum bar, and at the same time of correction, the motor 15 on the fixed plate 2 is started to rotate the three-jaw chuck 4, and the aluminum bar rotates synchronously, so that the aluminum bar is corrected by the arc-shaped clamping plate 13 during rotation.

[0028] The above merely describes the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent substitution or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A stretch straightening device for aluminum bar production comprising an L-shaped base (1), characterized in that, The side of the L-shaped base (1) is fixedly provided with a fixed plate (2), and the other side is slidably provided with a moving plate (3), the same side of the moving plate (3) and the fixed plate (2) is attached to the vertical end of the L-shaped base (1), the side of the moving plate (3) and the fixed plate (2) is rotatably installed with a three-jaw chuck (4) for fixing the aluminum bar, the vertical end of the L-shaped base (1) is transversely provided with a mounting groove (5), the mounting groove (5) is horizontally provided with a connecting plate (7), the side of the connecting plate (7) away from the mounting groove (5) is fixedly connected with a U-shaped frame (8), the opposite side of the vertical end of the U-shaped frame (8) is fixedly installed with a pneumatic cylinder (12), the moving end of the pneumatic cylinder (12) is fixedly installed with an arc-shaped clamping plate (13), the mounting groove (5) is provided with a driving assembly for driving the movement of the connecting plate (7), and the horizontal end of the L-shaped base (1) is provided with a stretching piece for driving the moving plate (3) to stretch the aluminum bar.

2. The drawing straightening device for aluminum bar production according to claim 1, characterized in that, The driving assembly comprises a first lead screw (6) rotatably installed in the mounting groove (5), and the side of the fixed plate (2) is provided with a motor (15) connected with the first lead screw (6).

3. The drawing straightening device for aluminum bar production according to claim 1, characterized in that, The horizontal end of the U-shaped frame (8) is fixedly connected with a supporting rod (9), and the L-shaped base (1) is fixedly installed with a first guide rod (11) sleeved on one end of the supporting rod (9).

4. The stretching and straightening device for aluminum bar production according to claim 1, characterized in that, The vertical end of the L-shaped base (1) is fixedly provided with a second guide rod (14), the stretching piece comprises a second lead screw (10), the second lead screw (10) is rotatably installed in the horizontal end of the L-shaped base (1), and the moving plate (3) is slidably sleeved on the second guide rod (14) close to the vertical end of the L-shaped base (1).

5. The tensile straightening device for aluminum bar production according to claim 1, characterized in that: The two three-jaw chucks (4) are coaxially arranged, and the moving plate (3) is provided with a through hole (16) coaxial with the three-jaw chucks (4).

6. The drawing straightening device for aluminum bar production according to claim 1, characterized in that, The curvature of the arc-shaped clamping plate (13) is greater than that of a semicircle.

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