Cold shaping device for magnesium-aluminum alloy workpiece

Abstract

The utility model discloses a cold shaping device for a magnesium-aluminum alloy workpiece, which comprises a lower template, a lifting device positioned on the lower template, an upper template positioned at the upper end of the lifting device, a shaping support block arranged on the lower template, and a pressing shaping device arranged on the upper template, the pressing shaping device comprises a pressing hydraulic cylinder and a rotating disc which are arranged on the upper side and the lower side of the upper die plate respectively, the rotating disc is hung on the lower side of the upper die plate through a rotating shaft, and pressing shaping blocks of different sizes are distributed on the circumference of the lower surface of the rotating disc; the downward-pressing shaping block can move up and down along the mounting hole and corresponds to a push rod of the downward-pressing hydraulic cylinder in position after rotating through the rotating disc. According to the magnesium-aluminum alloy workpiece shaping device, magnesium-aluminum alloy workpieces can be conveniently shaped, and shaping quality and shaping efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cold shaping devices for magnesium-aluminum alloy workpieces, belong to the shaping tool field of magnesium-aluminum alloy workpieces. BACKGROUND

[0002] In the processing of magnesium-aluminum alloy workpieces, magnesium-aluminum alloy workpieces are prone to deformation after primary processing, which is manifested in that the originally flat surface is arched or uneven. To meet the installation and use requirements afterwards, it needs to be shaped and repaired. The prior art is repaired by manual tool, and the repair efficiency is low, and the repair quality is greatly related to the worker's craftsmanship.

[0003] Therefore, there is a need for a cold shaping device for magnesium-aluminum alloy workpieces that can facilitate shaping of magnesium-aluminum alloy workpieces and improve shaping quality and efficiency. SUMMARY

[0004] Therefore, the utility model provides a kind of cold shaping devices for magnesium-aluminum alloy workpieces, can facilitate shaping of magnesium-aluminum alloy workpieces and improve shaping quality and efficiency, and can overcome the deficiencies of the prior art.

[0005] The utility model aims to achieve the following technical solutions:

[0006] The utility model discloses a kind of cold shaping devices for magnesium-aluminum alloy workpieces, it includes lower template, located on the lifting device of lower template, located on the upper end of lifting device upper template, shaping support block is provided on the lower template, lower pressing shaping device is provided on the upper template, the lower pressing shaping device includes lower pressing hydraulic cylinder and turntable respectively provided on the upper side and lower side of upper template, the turntable is hoisted on the lower side of upper template by pivot, different sizes of lower pressing shaping block are peripherally arranged on the lower surface of turntable, the lower pressing shaping block can be moved up and down along mounting hole and correspond to the position of push rod of the lower pressing hydraulic cylinder after rotating through turntable.

[0007] The above-mentioned lower pressing hydraulic cylinder push rod is provided with a perforation on the upper template, and the automatic positioning device of the lower pressing shaping block is provided on the turntable.

[0008] The above-mentioned automatic positioning device includes fixed sleeve peripherally arranged on the turntable, moving sleeve is provided on the inner wall of fixed sleeve, compression spring is provided between the lower end of moving sleeve and the bottom of fixed sleeve, vertical waist round hole is provided on the outer wall of fixed sleeve, and fixed column connected with the lower part of moving sleeve is provided on the waist round hole.

[0009] The bottom of the fixed sleeve is provided with an opening, a connecting rod of the lower pressing shaping block is installed on the opening, an annular limiting block is arranged on the upper end of the connecting rod, and a reset spring is arranged between the annular limiting block and the bottom of the fixed sleeve.

[0010] The lifting device comprises a guide rod arranged between the upper die plate and the lower die plate and a lifting hydraulic cylinder.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] 1、 the utility model discloses a shaping support block can support magnesium -aluminum alloy workpiece, then through the lower pressing shaping block can the deformed part is even, and through setting up the carousel and being distributed with a plurality of different size's lower pressing shaping block on the carousel, it is favorable to according to the size of magnesium -aluminum alloy workpiece selects different size's lower pressing shaping block, solves the time -consuming and labor -intensive problem that the lower pressing shaping block brings frequently changes, can improve the efficiency of shaping, specifically, the lower pressing shaping block is hard material, and the shaping support block can be made of elastic rubber material, avoid the deformation that the shaping support block and magnesium -aluminum alloy workpiece hard contact produce.

[0013] 2、 through the compression spring, the moving sleeve is provided with an upward thrust, when the carousel rotates to the perforation of the push rod of the lower pressing hydraulic cylinder, the moving sleeve is pushed up and limited by the hole, so that the connecting rod of the lower pressing shaping block is aligned with the push rod of the lower pressing hydraulic cylinder, the lower pressing shaping block is pushed by the push rod of the lower pressing hydraulic cylinder to shape, after pressing, along with the push rod of the lower pressing hydraulic cylinder moving upward, under the action of the reset spring, the lower pressing shaping block moves upward and resets, when different lower pressing shaping blocks need to be replaced, the moving sleeve and the push rod perforation are separated by pulling the fixing column, so that the limiting is released, that is, different lower pressing shaping blocks can be replaced by rotating the carousel.

[0014] 3、 the lifting device comprises a guide rod arranged between the upper die plate and the lower die plate and a lifting hydraulic cylinder, and the distance between the shaping support block and the lower pressing shaping device can be adjusted by the lifting device, so that different magnesium -aluminum alloy workpieces can be placed.

[0015] Other advantages, objects and features of the utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained by the following specification. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be further described in detail below with reference to the drawings, and the utility model comprises the following:

[0017] Figure 1 The utility model discloses a three -dimensional connection structure schematic diagram.

[0018] Figure 2 The utility model discloses another angle three -dimensional connection structure schematic diagram.

[0019] Figure 3 The utility model discloses an elevation view.

[0020] Figure 4 The utility model discloses a turntable and the connecting structure schematic diagram of upper part thereof.

[0021] Figure 5 The utility model discloses a split structure schematic diagram. Figure 4

[0022] Figure 6 The utility model discloses a half sectional view of turntable.

[0023] Among them, the lower die plate 1, the lifting device 2, the guide rod 2-1, the lifting hydraulic cylinder 2-2, the upper die plate 3, the shaping support block 4, the lower pressing shaping device 5, the lower pressing hydraulic cylinder 6, the turntable 7, the lower pressing shaping block 8, the automatic positioning device 9, the fixed sleeve 9-1, the moving sleeve 9-2, the compression spring 9-3, the waist round hole 9-4, the fixed column 9-5, the connecting rod 9-6, the annular limit block 9-7, the reset spring 9-8. Specific embodiments

[0024] The preferred embodiments will be described in detail below with reference to the drawings. It should be understood that the preferred embodiments are only for illustrating the utility model, and are not intended to limit the protection scope of the utility model.

[0025] As Figures 1-6 ​The utility model discloses a kind of cold sizing devices for magnesium-aluminum alloy workpieces, it includes lower template 1, located on the lifting device 2 of lower template 1, upper template 3 at the upper end of lifting device 2, shaping support block 4 is equipped on lower template 1, lower pressing shaping device 5 is equipped on upper template 3, lower pressing shaping device 5 includes lower pressing hydraulic cylinder 6 and rotating disc 7 respectively being equipped on the upside and downside of upper template 3, rotating disc 7 is hoisted to the downside of upper template 3 by rotating shaft, different sizes of lower pressing shaping block 8 are distributed and set on the lower surface circumference of rotating disc 7, lower pressing shaping block 8 can be moved up and down along mounting hole and correspond with the position of push rod of lower pressing hydraulic cylinder 6 after rotating disc 7 rotates and lower pressing shaping block 8 is rotated, such structure, magnesium-aluminum alloy workpiece can be supported by shaping support block 4, then deformed part can be flattened by lower pressing shaping block 8, by setting rotating disc 7 and distributing and setting multiple different sizes of lower pressing shaping block 8 on rotating disc 7, it is favorable to select different sizes of lower pressing shaping block 8 according to the size of magnesium-aluminum alloy workpiece, solve the time-consuming and labor-consuming problem brought by frequently replacing lower pressing shaping block 8, can improve the efficiency of shaping, specifically, lower pressing shaping block 8 is hard material, shaping support block 4 can be made of elastic rubber material, avoid the deformation generated by hard contact between shaping support block 4 and magnesium-aluminum alloy workpiece.

[0026] Further, the perforation of the push rod of lower pressing hydraulic cylinder 6 is equipped on upper template 3, and the automatic positioning device 9 of lower pressing shaping block 8 is equipped on rotating disc 7, specifically, the automatic positioning device 9 includes fixed sleeve 9-1 distributed and set on the circumference of rotating disc 7, moving sleeve 9-2 is equipped on the inner wall of fixed sleeve 9-1, compression spring 9-3 is equipped between the lower end of moving sleeve 9-2 and the bottom of fixed sleeve 9-1, vertical waist hole 9-4 is equipped on the outer wall of fixed sleeve 9-1, fixed column 9-5 is equipped on waist hole 9-4 and is connected with the lower part of moving sleeve 9-2, opening is equipped on the bottom of fixed sleeve 9-1, connecting rod 9-6 of lower pressing shaping block 8 is installed on the opening, annular limiting block 9-7 is equipped on the upper end of connecting rod 9-6, reset spring 9-8 is equipped between annular limiting block 9-7 and the bottom of fixed sleeve 9-1; in this way, moving sleeve 9-2 can be given an upward thrust by compression spring 9-3, when rotating disc 7 rotates to the perforation of the push rod of lower pressing hydraulic cylinder 6, moving sleeve 9-3 is pushed up and positioned in the hole, so that the connecting rod 9-6 of lower pressing shaping block 8 is aligned with the push rod of lower pressing hydraulic cylinder 6, lower pressing shaping block 8 is pushed by the push rod of lower pressing hydraulic cylinder 6 to shape, after pressing, with the push rod of lower pressing hydraulic cylinder 6 moving upward, under the action of reset spring 9-8, lower pressing shaping block 8 moves upward and resets, when different lower pressing shaping blocks 8 need to be replaced, by pulling down fixed column 9-5, moving sleeve 9-2 is separated from the push rod perforation, so as to release the positioning, that is, different lower pressing shaping blocks 8 can be replaced by rotating rotating disc 7.

[0027] Further, the lifting device 2 comprises a guide rod 2-1 arranged between the upper die plate 3 and the lower die plate 1 and a lifting hydraulic cylinder 2-2, and the distance between the shaping support block 4 and the lower pressing shaping device 5 can be adjusted through the lifting device 2, which is beneficial to the placement of magnesium-aluminum alloy workpieces of different sizes.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification of the above embodiment without departing from the technical solution of the present application and according to the technical essence of the present application still belongs to the scope of the technical solution of the present application.

Claims

1. A cold sizing device for magnesium-aluminum alloy workpieces, comprising a lower die plate (1), a lifting device (2) located on the lower die plate (1), an upper die plate (3) located on the upper end of the lifting device (2), a sizing support block (4) provided on the lower die plate (1), and a downward pressing sizing device (5) provided on the upper die plate (3), characterized in that, The lower pressing shaping device (5) comprises a lower pressing hydraulic cylinder (6) and a rotating disc (7) arranged on the upper side and the lower side of the upper die plate (3) respectively, the rotating disc (7) is hoisted on the lower side of the upper die plate (3) through a rotating shaft, different sizes of lower pressing shaping blocks (8) are arranged on the lower surface of the rotating disc (7) in a circumferential distribution, the lower pressing shaping blocks (8) can move up and down along the mounting holes and correspond to the position of the push rod of the lower pressing hydraulic cylinder (6) after rotating through the rotating disc (7).

2. The cold sizing device for magnesium-aluminum alloy workpieces according to claim 1, characterized in that, A through hole for the push rod of the lower pressing hydraulic cylinder (6) is arranged on the upper die plate (3), and an automatic positioning device (9) for the lower pressing shaping block (8) is arranged on the rotating disc (7).

3. The cold sizing device for magnesium-aluminum alloy workpieces according to claim 2, characterized in that, The automatic positioning device (9) comprises fixed sleeves (9-1) arranged in a circumferential distribution on the rotating disc (7), moving sleeves (9-2) arranged on the inner wall of the fixed sleeves (9-1), compression springs (9-3) arranged between the lower end of the moving sleeves (9-2) and the bottom of the fixed sleeves (9-1), vertical waist round holes (9-4) arranged on the outer wall of the fixed sleeves (9-1), and fixed columns (9-5) arranged on the waist round holes (9-4) and connected with the lower part of the moving sleeves (9-2).

4. The cold sizing device for magnesium-aluminum alloy workpieces according to claim 3, characterized in that, An opening is arranged at the bottom of the fixed sleeve (9-1), a connecting rod (9-6) of the lower pressing shaping block (8) is arranged on the opening, an annular limiting block (9-7) is arranged on the upper end of the connecting rod (9-6), and a reset spring (9-8) is arranged between the annular limiting block (9-7) and the bottom of the fixed sleeve (9-1).

5. The cold sizing device for magnesium-aluminum alloy workpieces according to any one of claims 1-4, characterized in that, The lifting device (2) comprises a guide rod (2-1) and a lifting hydraulic cylinder (2-2) arranged between the upper die plate (3) and the lower die plate (1).

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