Positioning and leveling device for machining of aluminum alloy box

Abstract

The utility model belongs to the technical field of machining, and particularly relates to an aluminum alloy box machining tool positioning and leveling device which comprises a top pressing device, two side adjusting and limiting devices and a box leveling device. The box body leveling device comprises a lever, a lever supporting seat is arranged between the lever and the leveling bottom plate, and the lever is rotationally connected with the lever supporting seat; a supporting rod is movably connected above one end of a resisting arm of the lever; one end of the lever power arm is movably connected with the screw rod, a screw rod shell is arranged outside the screw rod, the screw rod penetrates out of the lower portion of the screw rod shell, and a locking nut is arranged on the penetrating-out portion of the screw rod; the locking nut is in threaded connection with the screw rod, the screw rod can move downwards by rotating the locking nut, a single worker can complete leveling work of a box body workpiece, the adjusting height and precision can be conveniently controlled, defects of parts during adjusting can be avoided, operation is convenient and fast, production efficiency is high, and the leveling device can be applied to mass production.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a positioning and leveling device for machining an aluminum alloy box. Background Art

[0002] In recent years, global mechanical manufacturing technology has developed rapidly, and production efficiency and technical precision have been continuously improved. Among them, the improvement of production efficiency is mainly due to the application and improvement of automation, and the improvement of technical precision is due to the transformation from precision machining to ultra-precision machining. In future development, my country's mechanical manufacturing industry urgently needs to transform and upgrade, increase investment in R&D and innovation, improve technical process level, optimize product structure, and improve the production capacity of core components and high-end products.

[0003] The existing box machining positioning and leveling device uses a bridge crane to cooperate with multiple operators, and uses a jack to adjust the part plane until the flatness requirements are met. The operation requires the cooperation of multiple people and is highly dangerous. The height adjustment of the box workpiece flatness is inconvenient to control, the leveling accuracy is low, the box plane leveling time is too long, the work efficiency is low, and defects such as local damage and pits are prone to occur during the clamping process. It is not suitable for mass production. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides an aluminum alloy box machining device positioning and leveling device, which changes the original machining device structure and uses the lever principle to achieve the purpose of quickly adjusting the horizontality of the box workpiece. It is convenient and fast to operate, easy to control the height and accuracy of adjustment, high in production efficiency, and can be applied to mass production. The technical solution is as follows:

[0005] A box profile machining and leveling device comprises a top clamping device and two side adjustment limit devices arranged on the outside of the box profile, and also comprises four box leveling devices, which are distributed at the four corners inside the box profile and can adjust the height.

[0006] The box leveling device includes a support seat, a leveling base plate is fixedly connected to the support seat by bolts above the support seat, the leveling base plate is arranged horizontally, a lever is arranged above the leveling base plate, the lever is arranged in the horizontal direction, a lever support seat is arranged between the lever and the leveling base plate, the lever support seat is fixedly connected to the leveling base plate by bolts, and the lever is rotatably connected to the lever support seat; a support rod is movably connected to the upper side of one end of the lever resistance arm; one end of the lever power arm is movably connected to a screw rod, the screw rod is arranged vertically downward, a screw housing is arranged outside the screw rod, the screw housing is fixedly connected to the lower end of the leveling base plate by bolts, the screw rod passes through the bottom of the screw housing, and a locking nut is arranged on the screw passing part; the locking nut is threadedly connected to the screw, and the screw rod can be moved downward by rotating the locking nut.

[0007] The lever support seat is a "saddle"-shaped structure, the connection between the lever and the lever support seat is a bridge-shaped arc surface contact, and enclosure structures are arranged on both sides of the lever support seat.

[0008] A supporting bolt is arranged below one end of the lever resistance arm, and the supporting bolt is fixedly connected to the upper surface of the leveling base plate.

[0009] There are four top clamping devices in total and they are arranged symmetrically in pairs. The top clamping devices are provided with clamping device adjusting screws, which are arranged in the vertical direction. The top wall of the box profile can be clamped and fixed by rotating the top clamping device adjusting screws.

[0010] There are four adjusting limit devices on both sides, which are arranged symmetrically in pairs. The adjusting limit devices on both sides are provided with limit device screws on both sides, which are arranged in the horizontal direction. The side walls of the box profile can be clamped and fixed by rotating the limit device screws on both sides.

[0011] The screw rod is provided with a connecting hole, the inner wall of the connecting hole is set to an arc shape, one end of the lever is inserted into the connecting hole, the inner circle of the connecting hole and the outer circle of the lever are clearance-matched, and a small arc surface contact method is adopted, and an arc guiding treatment is performed according to the up and down movement trajectory of the lever.

[0012] The connection between the lever and the support rod adopts a contact mode of a small arc surface, and an arc guiding process is performed according to the upward and downward movement trajectory of the lever.

[0013] Slide rails are arranged below the box leveling device, the two side adjustment limit devices and the top clamping device. The slide rails are arranged along the width direction of the box profile; and the slide rails are provided with locking devices.

[0014] The box leveling device is provided with a lever housing.

[0015] Beneficial effects of the utility model:

[0016] (1) The flatness of the box can be adjusted using a simple lever principle, and a single worker can complete the leveling of the box workpiece.

[0017] (2) The flatness height adjustment of the box workpiece can be completed by locking the nut, which is convenient for controlling the adjustment height and accuracy, and can avoid defects in parts during adjustment. The operation is convenient and fast, with high production efficiency, and can be applied to mass production.

[0018] (3) The slider structure is designed at the bottom of the machined leveling device for the box profile, which can meet the machined leveling work of box profiles of different sizes, with high interchangeability and strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure of a box profile machining and leveling device;

[0020] Figure 2 A schematic diagram of the cross-sectional structure of a leveling device for machining a box profile;

[0021] Figure 3 Schematic diagram of the internal structure of the box leveling device 5;

[0022] Figure 4 Schematic diagram of the connection structure between the screw rod 9 and the lever 10;

[0023] Figure 5 Schematic diagram of the connection structure between the lever 10 and the lever support seat 11;

[0024] Figure 6 Schematic diagram of the external structure of the box leveling device 5.

[0025] Figure markings: 1-slide rail; 2-top clamping device; 3-box profile; 4-adjusting limit devices on both sides; 5-box leveling device; 6-clamping device adjusting screw; 7-limiting device screws on both sides; 8-locking nut; 9-screw; 10-lever; 11-lever support seat; 12-support rod; 13-support bolt; 14-leveling bottom plate; 15-support seat; 16-screw housing. DETAILED DESCRIPTION

[0026] The technical solution will be further described in detail below in combination with the accompanying drawings and specific implementation methods of the present utility model.

[0027] See also Figure 1-2 The utility model provides a box profile machining and leveling device, which is used to position the box profile 3. The box profile 3 includes two side walls and a top wall, and the cross section is an "n"-shaped structure.

[0028] A box profile machining and leveling device comprises four box leveling devices 5, wherein the box profile 3 is opened downward and arranged above the four box leveling devices 5, the four box leveling devices 5 are distributed at the four corners of the inner side of the box profile 3, and the inner surface of the top wall of the box profile 3 is in contact with the four box leveling devices 5, and the four box leveling devices 5 can adjust the height to adjust the horizontality of the box profile 3.

[0029] Four top clamping devices 2 are arranged on the outside of the box profile 3. The four top clamping devices 2 are symmetrically arranged in pairs. The top clamping device 2 is provided with a clamping device adjusting screw 6. The clamping device adjusting screw 6 is arranged in the vertical direction. By rotating the top clamping device adjusting screw 6, the top wall of the box profile 3 can be clamped and fixed to limit the vertical position of the box profile 3.

[0030] The outside of the box profile 3 is provided with two-side adjustment limit devices 4, and four two-side adjustment limit devices 4 are symmetrically arranged in pairs. The two-side adjustment limit devices 4 are provided with two-side limit device screws 7, and the two-side limit device screws 7 are arranged in the horizontal direction. By rotating the two-side limit device screws 7, the side walls of the box profile 3 can be clamped and fixed to limit the width direction position of the box profile 3.

[0031] See also Figure 3 The box leveling device 5 includes a support seat 15, which supports and fixes the box leveling device 5. A leveling base plate 14 is fixedly connected to the support seat 15 by bolts. The leveling base plate 14 is arranged horizontally. A lever 10 is arranged above the leveling base plate 14. The lever 10 is arranged in the horizontal direction. A lever support seat 11 is arranged between the lever 10 and the leveling base plate 14. The lever support seat 11 is fixedly connected to the leveling base plate 14 by bolts. The lever 10 is rotatably connected to the lever support seat 11. The lever support seat 11 serves as the fulcrum of the lever 10 to form a lever structure. In this embodiment, the lever support seat 11 is a "saddle"-shaped structure. The connection between the lever 10 and the lever support seat 11 adopts a bridge-shaped arc surface contact. Enclosure structures are added on both sides to embed the lever 10 into the support seat 11. Ensure that the lever moves flexibly and does not cause displacement. One end of the power arm of the lever 10 is movably connected to the screw rod 9, which is arranged vertically downward. A screw housing 16 is arranged outside the screw rod 9, and the screw housing 16 is fixedly connected to the lower end of the leveling bottom plate 14 through bolts. The screw rod 9 passes through the bottom of the screw housing 16, and a locking nut 8 is arranged on the part where the screw rod 9 passes through. A support bolt 13 is arranged below one end of the resistance arm of the lever 10, and the support bolt 13 is fixedly connected to the upper surface of the leveling bottom plate 14. The support bolt 13 can support one end of the resistance arm of the lever 10. A support rod 12 is movably connected above one end of the resistance arm of the lever 10. The locking nut 8 is threadedly connected to the screw rod 9. By rotating the locking nut 8, the screw rod 9 can generate a downward force, drive the power arm of the lever 10 to move downward, and move the resistance arm of the lever 10 upward and lift the support rod 12 to adjust the height of the box leveling device 5. By adjusting the heights of the four box leveling devices 5 respectively, the horizontality of the four corners of the box profile 3 can be adjusted.

[0032] See also Figure 4 , 5 In this embodiment, the screw 9 is provided with a connection hole, the inner wall of the connection hole is set to be arc-shaped, one end of the lever 10 is inserted into the connection hole, the inner circle of the connection hole and the outer circle of the lever 10 are clearance-matched, and a small arc surface contact method is adopted. The arc guide treatment is performed according to the up and down movement trajectory of the lever to ensure that there is no obstacle when the screw 9 and the lever 10 make relative movement. The connection between the lever 10 and the support rod 12 also adopts a small arc surface contact method, and an arc guide treatment is performed according to the up and down movement trajectory of the lever to ensure that there is no obstacle when the lever 10 and the support rod 12 make relative movement.

[0033] See also Figure 1 In this embodiment, in order to adapt to the width of box profiles 3 of different sizes, slide rails 1 are provided below the box leveling device 5, the two side adjustment limit devices 4 and the top clamping device 2. The slide rails 1 are arranged along the width direction of the box profile 3. The box leveling device 5, the two side adjustment limit devices 4 and the top clamping device 2 can slide along the slide rails 1 to adjust the position. The slide rail 1 is also provided with a locking device, which can lock and fix the box leveling device 5, the two side adjustment limit devices 4 and the top clamping device 2 after the position adjustment is completed.

[0034] See also Figure 6 In this embodiment, the box leveling device 5 is also provided with a lever housing 17 to protect the corresponding components.

[0035] The working principle and working process of a box profile machining and leveling device in this embodiment are as follows:

[0036] First, connect and fix the slide rail 1 to the machine tool worktable, and fix the top clamping device 2, the adjustment limit devices 4 on both sides, and the box leveling device 5 in the track groove of the slide rail 1 by bolts. At this time, the locking device does not need to be locked to facilitate the position adjustment of the top clamping device 2, the adjustment limit devices 4 on both sides, and the box leveling device 5. After the box profile 3 is fixed, lock the locking device to limit the position of the box profile 3.

[0037] Secondly, place the box profile 3 on top of the box leveling device 5, adjust the limit devices 4 on both sides to the corresponding positions, and adjust the width distance according to the size of the specific box profile 3. After the limit devices 4 on both sides are adjusted in place, the limit device screws 7 on both sides are rotated to clamp them to the side walls of the box profile 3, so as to fix the box profile 3 in the width direction;

[0038] Then, by rotating the locking nut 8, the screw rod 9 generates a downward force, driving the lever 10 power arm to move downward, and the lever 10 resistance arm moves upward, lifting the support rod 12 to fit the bottom surface of the box profile 3, so as to achieve the purpose of adjusting the height of the box leveling device 5, and adjusting the height of the four adjustment devices 5 respectively, and then adjusting the levelness of the four bottom angles of the box profile 3 until the levelness is within the allowable tolerance range;

[0039] Then, the top clamping device 2 is adjusted to a corresponding position in the slide rail 1 , and the top clamping device adjusting screw 6 is rotated to clamp and fix the top of the box profile 3 .

Claims

1. A positioning and leveling device for machining an aluminum alloy box, comprising a top pressing device (2) and two side adjustment limit devices (4) arranged outside a box profile (3), and also comprising four box leveling devices (5), the four box leveling devices (5) being distributed at the four corners inside the box profile (3), the four box leveling devices (5) being able to adjust the height, characterized in that: The box leveling device (5) comprises a support seat (15), a leveling base plate (14) is fixedly connected to the support seat (15) via bolts, the leveling base plate (14) is arranged horizontally, a lever (10) is arranged above the leveling base plate (14), the lever (10) is arranged in the horizontal direction, a lever support seat (11) is arranged between the lever (10) and the leveling base plate (14), the lever support seat (11) is fixedly connected to the leveling base plate (14) via bolts, and the lever (10) is rotatably connected to the lever support seat (11); a resistance arm of the lever (10) A support rod (12) is movably connected to the upper part of one end; one end of the power arm of the lever (10) is movably connected to the screw rod (9), the screw rod (9) is arranged vertically downward, a screw rod housing (16) is arranged outside the screw rod (9), the screw rod housing (16) is fixedly connected to the lower end of the leveling base plate (14) through bolts, the screw rod (9) passes through the bottom of the screw rod housing (16), and a locking nut (8) is arranged at the part where the screw rod (9) passes through; the locking nut (8) is threadedly connected to the screw rod (9), and the screw rod (9) can be moved downward by rotating the locking nut (8).

2. The positioning and leveling device for machining an aluminum alloy box according to claim 1, characterized in that: The lever support seat (11) is a "saddle"-shaped structure, the connection between the lever (10) and the lever support seat (11) is a bridge-shaped arc surface contact, and enclosure structures are arranged on both sides of the lever support seat (11).

3. The positioning and leveling device for machining an aluminum alloy box according to claim 1, characterized in that: A support bolt (13) is provided below one end of the resistance arm of the lever (10), and the support bolt (13) is fixedly connected to the upper surface of the leveling base plate (14).

4. The positioning and leveling device for machining an aluminum alloy box according to any one of claims 1 to 3, characterized in that: There are four top clamping devices (2) in total and they are arranged symmetrically in pairs. The top clamping device (2) is provided with a clamping device adjusting screw (6). The clamping device adjusting screw (6) is arranged in a vertical direction. By rotating the top clamping device adjusting screw (6), the top wall of the box profile (3) can be clamped and fixed.

5. The positioning and leveling device for machining an aluminum alloy box according to any one of claims 1 to 3, characterized in that: There are four side adjustment limit devices (4) in total and they are arranged symmetrically in pairs. The side adjustment limit devices (4) are provided with side limit device screws (7). The side limit device screws (7) are arranged in a horizontal direction. The side walls of the box profile (3) can be clamped and fixed by rotating the side limit device screws (7).

6. The positioning and leveling device for machining an aluminum alloy box according to any one of claims 1 to 3, characterized in that: The screw rod (9) is provided with a connecting hole, the inner wall of the connecting hole is arranged in an arc shape, one end of the lever (10) is inserted into the connecting hole, the inner circle of the connecting hole and the outer circle of the lever (10) are clearance-matched, a small arc surface contact method is adopted, and an arc guiding process is performed according to the upward and downward movement trajectory of the lever.

7. The positioning and leveling device for machining an aluminum alloy box according to any one of claims 1 to 3, characterized in that: The connection between the lever (10) and the support rod (12) adopts a small arc surface contact mode, and an arc guiding process is performed according to the upward and downward movement trajectory of the lever.

8. The positioning and leveling device for machining an aluminum alloy box according to any one of claims 1 to 3, characterized in that: Slide rails (1) are arranged below the box leveling device (5), the two side adjustment limit devices (4) and the top clamping device (2), and the slide rails (1) are arranged along the width direction of the box profile (3); the slide rails (1) are provided with locking devices.

9. The positioning and leveling device for machining an aluminum alloy box according to any one of claims 1 to 3, characterized in that: The box leveling device (5) is provided with a lever housing (17).

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