Stretching device for aluminum pipe production

Abstract

The utility model relates to the technical field of aluminum pipe production, and discloses a stretching device for aluminum pipe production, which comprises a bottom plate, a notch is arranged at the top of the bottom plate, a first moving part and a second moving part are movably mounted in the notch, the first moving part and the second moving part are distributed in the notch in a bilateral symmetry manner, a motor is fixedly mounted at one end of the notch, and the motor is connected with the first moving part and the second moving part. A notch is formed in the middle of the base, a screw extending into the notch is fixedly installed at the output end of the motor, the left half part of the screw is arranged to be a right-hand thread part, and the right half part of the screw is arranged to be a left-hand thread part. The right-hand thread part and the left-hand thread part on the screw rotate with the screw holes in the first moving part and the second moving part respectively, so that the first moving part and the second moving part can move close to each other or away from each other in the notch at the same time; in this way, the multiple aluminum pipes clamped between the first moving part and the second moving part can be evenly stretched at the same time.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum tube production, in particular to a stretching device for aluminum tube production. Background Art

[0002] Aluminum tube is a kind of non-ferrous metal tube. It is made of pure aluminum or aluminum alloy through extrusion into a metal tubular material that is hollow along its entire longitudinal length. It is widely used in automobiles, ships, aerospace, aviation, electrical appliances, agriculture, electromechanical, home furnishing and other industries. It is a high-strength hard aluminum that can be strengthened by heat treatment. It has medium plasticity in annealing, just quenching and hot states. When the heat-treated aluminum tube is stretched, the common stretching device cannot stretch multiple aluminum tubes at the same time when used, and when the device only stretches one end of the aluminum tube, the aluminum tube will be stretched unevenly, which will seriously affect the use of the aluminum tube. For this reason, the present application proposes a stretching device for aluminum tube production. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the utility model provides the following technical solutions: a stretching device for aluminum tube production, comprising a bottom plate, a notch is provided on the top of the bottom plate, a first moving part and a second moving part are movably installed in the notch, the first moving part and the second moving part are symmetrically distributed in the notch, a motor is fixedly installed at one end of the notch, a screw extending into the notch is fixedly installed at the output end of the motor, a positive thread part is provided at the left half of the screw, a reverse thread part is provided at the right half of the screw, and a first moving part and a second moving part are both provided at the middle position of the bottom of the side surface of the first moving part and the second moving part. A screw hole is provided, and the screw holes on the first movable part and the second movable part are both threadedly sleeved on the screw rod, the first movable part is threadedly connected to the positive thread part of the screw rod, and the second movable part is threadedly connected to the reverse thread part of the screw rod, a storage groove is provided on the side of the first movable part, three lower clamping grooves are evenly provided at the bottom of the inner wall of the storage groove, a clamping plate that can be lifted up and down is movably installed in the storage groove, and three upper clamping grooves are evenly provided at the bottom of the clamping plate, hydraulic rods are fixedly installed at both ends of the top of the first movable part, and the telescopic ends of the two hydraulic rods extend into the storage groove and are respectively fixedly connected to the two ends of the top of the clamping plate.

[0004] Furthermore, the three lower clamping grooves at the bottom of the inner wall of the storage groove and the three upper clamping grooves at the bottom of the corresponding clamping plate are symmetrically distributed up and down, and the upper clamping grooves and the lower clamping grooves are both configured as semicircular grooves.

[0005] Furthermore, through holes are provided on the side of the first movable part and on both sides of the screw hole, and two positioning rods are fixedly installed between the two sides of the inner wall of the slot, and the two positioning rods are movably inserted into the two through holes on the side of the first movable part.

[0006] Furthermore, the structure of the second moving part is the same as that of the first moving part.

[0007] Furthermore, a groove is provided at a middle position of the notch away from one end of the motor, a bearing is fixedly installed in the groove, and one end of the screw away from the motor is fixedly connected to the inner ring wall of the bearing.

[0008] Furthermore, the horizontal plane of the top of the bottom plate is lower than the bottom of the lower clamping groove.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] It is possible to clamp a plurality of aluminum tubes at the same time, by allowing the positive thread portion and the negative thread portion on the screw to rotate with the screw holes on the first movable portion and the second movable portion respectively, so that the first movable portion and the second movable portion can simultaneously move closer to or away from each other in the slot, so that the plurality of aluminum tubes clamped between the first movable portion and the second movable portion can be uniformly stretched at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of a top cross-sectional structure of the connection between the bottom plate of the utility model and the first moving part and the second moving part;

[0014] Figure 3 It is a structural schematic diagram of the first moving part of the utility model;

[0015] Figure 4 It is a schematic diagram of the cross-sectional structure of the first moving part of the utility model;

[0016] In the figure: 1, bottom plate; 2, notch; 3, first moving part; 4, second moving part; 5, screw hole; 6, through hole; 7, positioning rod; 8, motor; 9, screw rod; 10, bearing; 11, storage slot; 12, lower clamping slot; 13, clamping plate; 14, upper clamping slot; 15, hydraulic rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] Depend on Figure 1-4 The utility model comprises a bottom plate 1, a notch 2 is provided on the top of the bottom plate 1, a first moving part 3 and a second moving part 4 are movably installed in the notch 2, the first moving part 3 and the second moving part 4 are symmetrically distributed in the notch 2, a motor 8 is fixedly installed at one end of the notch 2, a screw 9 extending into the notch 2 is fixedly installed at the output end of the motor 8, a positive thread portion is provided in the left half of the screw 9, and a reverse thread portion is provided in the right half of the screw 9, a screw hole 5 is provided at the middle position of the bottom of the side surface of the first moving part 3 and the second moving part 4, and the screw holes 5 on the first moving part 3 and the second moving part 4 are both threadedly sleeved on the screw 9, the first moving part 3 is threadedly connected to the positive thread portion of the screw 9, and the second moving part 4 is threadedly connected to the reverse thread portion of the screw 9, a storage groove 11 is provided on the side surface of the first moving part 3, and the inner wall of the storage groove 11 Three lower clamping grooves 12 are evenly arranged at the bottom, a clamping plate 13 that can be lifted up and down is movably installed in the storage groove 11, and three upper clamping grooves 14 are evenly arranged at the bottom of the clamping plate 13. Hydraulic rods 15 are fixedly installed at both ends of the top of the first movable part 3, and the telescopic ends of the two hydraulic rods 15 extend into the storage groove 11 and are respectively fixedly connected to the two ends of the top of the clamping plate 13. When the motor 8 drives the screw 9 to rotate, the positive thread part and the reverse thread part on the screw 9 will respectively rotate with the screw holes 5 on the first movable part 3 and the second movable part 4, so that the first movable part 3 and the second movable part 4 can move closer to or away from each other at the same time in the slot 2. When the first movable part 3 and the second movable part 4 move away from each other at the same time, the aluminum tube clamped between the first movable part 3 and the second movable part 4 can be stretched.

[0019] like Figure 3 and Figure 4 As shown, the three lower clamping grooves 12 at the bottom of the inner wall of the storage groove 11 and the three upper clamping grooves 14 at the bottom of the corresponding clamping plate 13 are symmetrically distributed up and down, and the upper clamping grooves 14 and the lower clamping grooves 12 are both configured as semicircular grooves. The upper clamping grooves 14 and the lower clamping grooves 12 cooperate to complete the fixed clamping of the aluminum tube.

[0020] like Figure 1 and Figure 2 As shown, through holes 6 are opened on the side of the first movable part 3 and on both sides of the screw hole 5, and two positioning rods 7 are fixedly installed between the two sides of the inner wall of the slot 2. The two positioning rods 7 are movably inserted into the two through holes 6 on the side of the first movable part 3. Under the action of the two positioning rods 7, the first movable part 3 and the second movable part 4 can be more stable when moving in the slot 2, so that the first movable part 3 and the second movable part 4 can always maintain a horizontal state.

[0021] like Figure 1 and Figure 2As shown, the structure of the second moving part 4 is the same as that of the first moving part 3 , so that the two ends of the aluminum tube can be fixedly clamped by the structures in the first moving part 3 and the second moving part 4 .

[0022] like Figure 2 As shown, a groove is provided at the middle position of the slot 2 away from the motor 8, a bearing 10 is fixedly installed in the groove, and the end of the screw 9 away from the motor 8 is fixedly connected to the inner ring wall of the bearing 10, and the bearing 10 can fix the position of the end of the screw 9 located in the slot 2.

[0023] like Figure 1 As shown, the horizontal plane at the top of the bottom plate 1 is lower than the bottom of the lower clamping groove 12, so that the upper clamping groove 14 and the lower clamping groove 12 can clamp the aluminum tube normally.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stretching device for aluminum tube production, comprising a bottom plate (1), characterized in that: A slot (2) is provided at the top of the bottom plate (1), and a first moving part (3) and a second moving part (4) are movably installed in the slot (2). The first moving part (3) and the second moving part (4) are symmetrically distributed in the slot (2). A motor (8) is fixedly installed at one end of the slot (2), and a screw rod (9) extending into the slot (2) is fixedly installed at the output end of the motor (8). The left half of the screw rod (9) is provided with a positive thread part, and the right half of the screw rod (9) is provided with a negative thread part. Screw holes (5) are provided at the middle positions of the bottoms of the sides of the first moving part (3) and the second moving part (4), and the screw holes (5) on the first moving part (3) and the second moving part (4) are The first movable part (3) is threadedly sleeved on the screw rod (9), the first movable part (3) is threadedly connected to the positive thread part of the screw rod (9), and the second movable part (4) is threadedly connected to the reverse thread part of the screw rod (9). A storage groove (11) is provided on the side of the first movable part (3), and three lower clamping grooves (12) are evenly provided at the bottom of the inner wall of the storage groove (11). A clamping plate (13) that can be lifted up and down is movably installed in the storage groove (11), and three upper clamping grooves (14) are evenly provided at the bottom of the clamping plate (13). Hydraulic rods (15) are fixedly installed at both ends of the top of the first movable part (3), and the telescopic ends of the two hydraulic rods (15) extend into the storage groove (11) and are respectively fixedly connected to the two ends of the top of the clamping plate (13).

2. The stretching device for aluminum tube production according to claim 1, characterized in that: The three lower clamping grooves (12) at the bottom of the inner wall of the storage groove (11) and the three upper clamping grooves (14) at the bottom of the corresponding clamping plate (13) are symmetrically distributed up and down, and the upper clamping grooves (14) and the lower clamping grooves (12) are both configured as semicircular grooves.

3. The stretching device for aluminum tube production according to claim 2, characterized in that: Through holes (6) are provided on the side surfaces of the first movable portion (3) and on both sides of the screw hole (5); two positioning rods (7) are fixedly installed between the two sides of the inner wall of the slot (2); the two positioning rods (7) are movably inserted into the two through holes (6) on the side surfaces of the first movable portion (3).

4. A stretching device for aluminum tube production according to claim 3, characterized in that: The structure of the second moving part (4) is the same as that of the first moving part (3).

5. The stretching device for aluminum tube production according to claim 1, characterized in that: A groove is provided at the middle position of the notch (2) away from the end of the motor (8), a bearing (10) is fixedly installed in the groove, and the end of the screw rod (9) away from the motor (8) is fixedly connected to the inner ring wall of the bearing (10).

6. The stretching device for aluminum tube production according to claim 1, characterized in that: The horizontal plane of the top of the bottom plate (1) is lower than the bottom of the lower clamping groove (12).

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