Magnesium-aluminum alloy middle bundle expanding and necking device

Abstract

The utility model belongs to the field of necking devices, particularly relates to a magnesium-aluminum alloy middle bundle expansion necking device, and provides the following scheme aiming at the problems that the fixing direction is relatively single, and when a magnesium-aluminum alloy pipe fitting is encountered, the magnesium-aluminum alloy pipe fitting is easy to extrude, so that the magnesium-aluminum alloy pipe fitting moves leftwards or rightwards and deviates, the magnesium-aluminum alloy middle bundle expansion necking device comprises a fixing frame, an inner gear ring is driven to rotate through meshing of a first rack and a first gear, the inner gear ring drives three second gears to rotate, and the three second gears respectively drive two sliding connecting strips and a second rack to move. The pressing plate and the two clamping plates are used for clamping and fixing a pipe fitting, meanwhile, the supporting plate is used for supporting the lower portion of the aluminum-magnesium alloy, the supporting plate and the pressing plate are matched, the two clamping plates get close to each other, the magnesium-magnesium alloy can be clamped and fixed in multiple directions, and fixing is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of shrinking devices, in particular to a magnesium-aluminum alloy mid-beam expansion and shrinking device. Background Art

[0002] Magnesium-aluminum alloys have excellent strength, rigidity and dimensional stability, giving them great application prospects in transportation, aviation and aerospace industries.

[0003] After searching, the utility model with announcement number CN215786103U discloses an electric induction heating shrinking device for aluminum alloy rods, including a processing table, a first support rod, a first fixed groove, a fixed seat, an alloy rod, a fixed cavity, a liftable clamping seat structure, a liftable heating seat structure, a slidable shrinking taper rod structure, a shrinking module, a shrinking cavity, an arc-shaped observation piece, a second fixed groove, a support roller and a connecting seat, wherein the upper end of the first support rod is bolted to the four corners of the lower end of the processing table respectively; the first fixed groove is provided in the middle position of the upper end of the processing table. The arrangement of the clamping seat, the pressing groove, the clamping wheel, the fixed seat, the alloy rod, the fixed cavity, the second fixed groove and the support roller of the utility model is conducive to the arrangement of the alloy rod between the clamping wheel and the support roller during use, so as to facilitate the movement of the alloy rod during work, which is conducive to the shrinking work.

[0004] When fixing magnesium-aluminum alloy, this device only clamps and fixes it from top to bottom, and the fixing direction is relatively single. When encountering magnesium-aluminum alloy pipe fittings, it is easy to squeeze the pipe fittings, causing them to move to the left or right and offset. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the fixing direction is relatively single and when encountering a magnesium-aluminum alloy pipe fitting, the pipe fitting is easily squeezed, causing it to move to the left or right and offset, and a magnesium-aluminum alloy mid-beam expansion and shrinking device is proposed.

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

[0007] A magnesium-aluminum alloy mid-beam expansion and shrinking device comprises a fixing frame, an outer ring is fixedly connected in the fixing frame, an inner ring is fixedly connected in the fixing frame, three first limiting grooves are arranged in the outer ring, three second limiting grooves are arranged in the inner ring, and the first limiting grooves correspond to the second limiting grooves, a second rack and two sliding connecting strips are correspondingly slidably penetrated in the three first limiting grooves and the second limiting grooves, and the magnesium-aluminum alloy can be clamped by the mutual cooperation of the second rack and the two sliding connecting strips;

[0008] Also included is a support, through which the fixing frame can be supported.

[0009] In a possible design, three second gears are rotatably connected in the fixed frame, a rotation groove is provided in the outer ring, an inner gear ring is rotatably connected in the rotation groove, and the three second gears are all meshed with the inner gear ring, and the three second gears are respectively meshed with the second rack and two sliding connection strips.

[0010] In a possible design, a first gear is rotatably connected in the fixed frame, and the first gear is meshed with an inner gear ring, an electric push rod is fixedly connected in the fixed frame, a first rack is slidably connected in the fixed frame, and the first rack is meshed with the first gear, and one end of the output shaft of the electric push rod is fixedly connected to one end of the first rack.

[0011] In a possible design, a support plate is fixedly connected inside the fixed frame, a pressing plate is fixedly connected to the bottom of the second rack, a limiting rod is slidably connected inside the fixed frame, and the pressing plate can be limited by sliding the limiting rod. A clamping plate is fixedly connected to one side of the two sliding connection strips that are close to each other, and the two clamping plates are slidably fitted on the support plate.

[0012] In a possible design, the two clamping plates, the support plate and the pressing plate are all provided with a plurality of rollers, and the magnesium-aluminum alloy can be clamped by the plurality of rollers, so that the magnesium-aluminum alloy can be moved.

[0013] In a possible design, a liftable heating seat structure is fixedly mounted on the support, and a shrinking module is fixedly mounted on the support.

[0014] In the present application, the pipe fitting is placed on a support plate, and the electric push rod is energized. The output shaft of the electric push rod can drive the first rack to move, the first rack is meshed with the first gear, and the first gear is meshed with the inner gear ring to rotate the inner gear ring, and the inner gear ring is meshed with three second gears. The rotation of the three second gears respectively drives two sliding connecting bars and a second rack to slide, and the sliding of the second rack drives the pressing plate to move downward to press the magnesium-aluminum alloy. The two sliding connecting bars respectively push the two clamping plates closer to each other to clamp and fix the magnesium-aluminum alloy from the left and right sides. The magnesium-aluminum alloy is moved by the rollers on the support plate, the pressing plate and the two clamping plates respectively, and the aluminum-magnesium alloy is heated by the liftable heating seat structure and then processed by the shrinking module.

[0015] In the utility model, the magnesium-aluminum alloy mid-beam expansion and shrinkage device is described, which drives the inner gear ring to rotate by meshing the first rack and the first gear, and the inner gear ring drives the three second gears to rotate, and the three second gears respectively drive the two sliding connection bars and the second rack to move, so that the pressing plate and the two clamping plates clamp and fix the pipe fitting, and at the same time the support plate supports the aluminum-magnesium alloy below, and the magnesium-aluminum alloy can be clamped and fixed from multiple directions through the cooperation of the support plate and the pressing plate, and the two clamping plates are close to each other, so that the fixation is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a magnesium-aluminum alloy mid-beam expansion and contraction device proposed by the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of a fixing frame of a magnesium-aluminum alloy mid-beam expansion and contraction device proposed by the utility model;

[0018] Figure 3 The utility model provides a schematic diagram of the explosion structure of the outer ring of the magnesium-aluminum alloy mid-beam expansion and shrinking device.

[0019] In the figure: 1. support; 2. fixing frame; 3. liftable heating seat structure; 4. shrinking module; 5. support plate; 6. clamping plate; 7. outer ring; 8. inner ring; 9. electric push rod; 10. first rack; 11. first gear; 12. rotating groove; 13. inner gear ring; 14. first limiting groove; 15. second limiting groove; 16. second rack; 17. sliding connection strip; 18. second gear; 19. limiting rod; 20. pressing plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example 1

[0022] Reference Figure 1 and Figure 3A shrinking device includes a fixed frame 2, an outer ring 7 is fixedly connected to the fixed frame 2, an inner ring 8 is fixedly connected to the fixed frame 2, three first limiting grooves 14 are provided in the outer ring 7, three second limiting grooves 15 are provided in the inner ring 8, and the first limiting grooves 14 correspond to the second limiting grooves 15, and a second rack 16 and two sliding connecting strips 17 are correspondingly slidably penetrated in the three first limiting grooves 14 and the second limiting grooves 15, and the magnesium-aluminum alloy can be clamped by the mutual cooperation of the second rack 16 and the two sliding connecting strips 17; and also includes a support 1, and the fixed frame 2 can be supported by the support 1. The fixed frame 2 can be placed on the support 1 to support the fixed frame 2, and at the same time, the second rack 16 and the two sliding connecting strips 17 slide and cooperate in the three second limiting grooves 15 to form a clamp.

[0023] Reference Figure 2 and Figure 3 , three second gears 18 are rotatably connected in the fixing frame 2, a rotation groove 12 is provided in the outer ring 7, an inner gear ring 13 is rotatably connected in the rotation groove 12, and the three second gears 18 are all meshed with the inner gear ring 13, and the three second gears 18 are respectively meshed with the second rack 16 and the two sliding connection bars 17. The inner gear ring 13 is meshed with the three second gears 18, and the three second gears 18 rotate to drive the two sliding connection bars 17 and the second rack 16 to slide respectively, and the second rack 16 slides and drives the pressing plate 20 to move downward to press the magnesium-aluminum alloy, and the two sliding connection bars 17 respectively push the two clamping plates 6 to approach each other to clamp and fix the magnesium-aluminum alloy from the left and right sides.

[0024] Reference Figure 2 , a first gear 11 is rotatably connected in the fixed frame 2, and the first gear 11 is meshed with the inner gear ring 13, an electric push rod 9 is fixedly connected in the fixed frame 2, a first rack 10 is slidably connected in the fixed frame 2, and the first rack 10 is meshed with the first gear 11, and one end of the output shaft of the electric push rod 9 is fixedly connected with one end of the first rack 10. When the electric push rod 9 is energized, the output shaft of the electric push rod 9 can drive the first rack 10 to move, the first rack 10 is meshed with the first gear 11, and the inner gear ring 13 is rotated by the meshing of the first gear 11 and the inner gear ring 13.

[0025] The present application can be used in the field of magnesium-aluminum alloy processing equipment, and can also be used in other fields applicable to the present application.

[0026] Example 2

[0027] refer to Figure 2, improved on the basis of the first embodiment: a magnesium-aluminum alloy mid-beam expansion and contraction device, which is applied to the field of magnesium-aluminum alloy processing equipment, a support plate 5 is fixedly connected in the fixed frame 2, a pressing plate 20 is fixedly connected at the bottom of the second rack 16, a limit rod 19 is slidably connected in the fixed frame 2, and the pressing plate 20 can be limited by sliding the limit rod 19 up and down, and the two sliding connection bars 17 are fixedly connected to the sides close to each other with a clamping plate 6, and the two clamping plates 6 are slidably matched on the support plate 5. The two sliding connection bars 17 and the second rack 16 are driven to move by three second gears 18 respectively, so that the pressing plate 20 and the two clamping plates 6 clamp and fix the pipe fittings.

[0028] refer to Figure 2 The two clamping plates 6, the support plate 5 and the pressing plate 20 are all provided with a plurality of rollers, through which the magnesium-aluminum alloy can be clamped, that is, the magnesium-aluminum alloy can be moved. The magnesium-aluminum alloy is moved by the rollers on the support plate 5, the pressing plate 20 and the two clamping plates 6 respectively.

[0029] refer to Figure 1 A liftable heating seat structure 3 is fixedly mounted on the support 1, and a shrinking module 4 is fixedly mounted on the support 1. The aluminum-magnesium alloy is heated by the liftable heating seat structure 3, and then processed by the shrinking module 4.

[0030] The liftable heating seat structure 3 and the shrinking module 4 in the present utility model are respectively consistent with the functional principles of the liftable heating seat structure and the shrinking module in the utility model with the announcement number CN215786103U.

[0031] However, as is well known to those skilled in the art, the working principle and wiring method of the electric push rod 9 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mid-beam expansion and shrinking device for magnesium-aluminum alloy, characterized in that: include: A fixed frame (2), wherein an outer ring (7) is fixedly connected inside the fixed frame (2), and an inner ring (8) is fixedly connected inside the fixed frame (2), wherein three first limiting grooves (14) are arranged inside the outer ring (7), and three second limiting grooves (15) are arranged inside the inner ring (8), and the first limiting grooves (14) correspond to the second limiting grooves (15), and second racks (16) and two sliding connection strips (17) are correspondingly slidably penetrated in the three first limiting grooves (14) and the three second limiting grooves (15), and the magnesium-aluminum alloy can be clamped by the mutual cooperation of the second racks (16) and the two sliding connection strips (17); It also includes a support (1), and the fixing frame (2) can be supported by the support (1).

2. A magnesium-aluminum alloy mid-beam expansion and shrinking device according to claim 1, characterized in that: Three second gears (18) are rotatably connected inside the fixed frame (2), a rotation groove (12) is provided inside the outer ring (7), an inner gear ring (13) is rotatably connected inside the rotation groove (12), and the three second gears (18) are all meshed with the inner gear ring (13), and the three second gears (18) are respectively meshed with the second rack (16) and the two sliding connection strips (17).

3. The magnesium-aluminum alloy mid-beam expansion and shrinking device according to claim 1, characterized in that: A first gear (11) is rotatably connected inside the fixed frame (2), and the first gear (11) is meshed with an inner gear ring (13); an electric push rod (9) is fixedly connected inside the fixed frame (2); a first rack (10) is slidably connected inside the fixed frame (2), and the first rack (10) is meshed with the first gear (11); one end of the output shaft of the electric push rod (9) is fixedly connected to one end of the first rack (10).

4. The magnesium-aluminum alloy mid-beam expansion and shrinking device according to claim 1, characterized in that: A support plate (5) is fixedly connected inside the fixed frame (2), a pressing plate (20) is fixedly connected to the bottom of the second rack (16), a limiting rod (19) is slidably connected inside the fixed frame (2), and the pressing plate (20) can be limited by sliding the limiting rod (19) up and down. The two sliding connection strips (17) are fixedly connected to a clamping plate (6) on one side close to each other, and the two clamping plates (6) are slidably fitted on the support plate (5).

5. A magnesium-aluminum alloy mid-beam expansion and shrinking device according to claim 4, characterized in that: The two clamping plates (6), the support plate (5) and the pressing plate (20) are all provided with a plurality of rollers, and the magnesium-aluminum alloy can be clamped by the plurality of rollers, so that the magnesium-aluminum alloy can be moved.

6. The magnesium-aluminum alloy mid-beam expansion and shrinking device according to claim 1, characterized in that: A liftable heating seat structure (3) is fixedly mounted on the support (1), and a shrinking module (4) is fixedly mounted on the support (1).

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