Precision machining device for thin-wall aluminum alloy bearing hole

Abstract

The utility model belongs to the technical field of machining devices, and particularly relates to a thin-wall aluminum alloy bearing hole precision machining device. According to the main supporting block, the machining bottom plate is arranged in the middle of one side of the main supporting block, the positioning blocks are arranged on the two sides of the lower portion of the machining bottom plate, meanwhile, the connecting block is arranged in the middle of the other end of the machining bottom plate, the first positioning columns and the second positioning columns are arranged in the machining bottom plate, and the clamping base is arranged above the first positioning columns; a second positioning column is arranged on the machining base plate, an L-shaped clamping assembly is arranged above the clamping base, a jacking column is arranged above the second positioning column, a limiting fixed point column is arranged on the machining base plate, a plug pin column is arranged above the machining base plate, and the plug pin column is inserted into one side of the first bearing. And clamping is conducted in an equal-force state, meanwhile, clamping is conducted for corresponding positions, the problem of stress deformation during hole machining is avoided, and machining accuracy and surface quality are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing devices and relates to a device for precision processing of thin-walled aluminum alloy bearing holes. Background Art

[0002] Thin-walled aluminum alloy bearings, as the name implies, have extremely thin bearing sections, thus achieving miniaturization and lightweight of the product and expanding its scope of use. According to different sealing methods, thin-walled bearings are generally divided into: rubber seal-RS, iron seal-ZZ, plane, iron clamp-K, copper clamp-M, etc. When processing holes in existing thin-walled aluminum alloy bearings, due to the particularity of thin-walled bearings, they are usually clamped by a unified chuck during precision processing of holes. In this way, the chuck applies radial pressure relative to the thin wall during processing, causing stress in the inner hole, and the roundness of the inner hole will change immediately, resulting in changes in the roundness after processing, affecting the processing accuracy and surface quality. Therefore, in view of the above problems, a device for precision processing of thin-walled aluminum alloy bearing holes is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provide a device for precision machining of thin-walled aluminum alloy bearing holes.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A device for precision machining of thin-walled aluminum alloy bearing holes, comprising a main support block, a machining base plate is provided in the middle of one side of the main support block, and positioning blocks are provided on both sides below the machining base plate, and a connecting block is provided at the other end of the machining base plate, a first positioning column and a second positioning column are respectively inserted in the machining base plate, and the first positioning column and the second positioning column both correspond to the pressing points below the first bearing and the second bearing, a clamping seat is provided above the first positioning column, and one end of an L-shaped clamping assembly is provided above the clamping seat, and the other end of the L-shaped clamping assembly is respectively placed at the corresponding positions above the first bearing and the second bearing, a pressing column is provided above the second positioning column, and the top of the pressing column is placed at the corresponding points below the first bearing and the second bearing, a limiting fixed point column is provided above the machining base plate, a latch column is provided above one side of the machining base plate, and the middle of the latch column is placed inside one side of the first bearing.

[0006] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, the middle part of one side of the main support block is fixedly connected to one end of the processing base plate, and the main support block is connected to the processing equipment, both sides below the processing base plate are fixedly connected to positioning blocks, and one end of the positioning block is fixedly connected to the lower part of one side of the main support block, and at the same time, the middle part of the other end of the processing base plate is fixedly connected to the connecting block.

[0007] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, multiple first positioning columns and second positioning columns are inserted and fixedly connected under the machining base plate, and the second positioning columns are placed inside the first positioning columns with a distance between them. At the same time, the multiple first positioning columns are divided into groups of four.

[0008] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, the top of the first positioning column is fixedly connected to the bottom of the clamping seat, and the bottom of the clamping seat is tightly fitted with the plane on the processing base plate. At the same time, the clamping seat is spaced apart from the main support block and the connecting block respectively.

[0009] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, one end of the L-shaped clamping assembly is rotatably connected to the top of the clamping seat, and the other ends of the four L-shaped clamping assemblies point to the center of each other, and there is a distance between the bottom of the other end of the L-shaped clamping assembly and the plane on the machining base plate.

[0010] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, a pressing column is fixedly connected above the second positioning column, and the top of the pressing column exceeds the upper plane of the machining bottom plate.

[0011] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, the upper plane on one side of the machining base plate is fixedly connected to a limiting fixed point column, and the limiting fixed point column corresponds to the bottom of the other end of the L-shaped clamping assembly.

[0012] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, the upper and lower planes of the first bearing and the second bearing are pressed between the bottom of the other end of the L-shaped clamping assembly and the top of the limit fixed point column.

[0013] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, the top of the pressure column presses against the lower planes of the first bearing and the second bearing.

[0014] In the above-mentioned device for precision machining of thin-walled aluminum alloy bearing holes, one side of the upper plane of the machining bottom plate is fixedly connected to a latch column, and the middle part of the latch column is inserted into one side of the first bearing for sliding connection.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model is provided with a processing base plate in the middle of one side of a main supporting block, and positioning blocks are provided on both sides below the processing base plate, and a connecting block is provided in the middle of the other end of the processing base plate, a plurality of first positioning columns and a plurality of second positioning columns are provided in the processing base plate, a clamping seat is provided above the first positioning column, and an L-shaped clamping assembly is provided above the clamping seat, a top pressure column is provided above the second positioning column, a limit fixed point column is provided on the processing base plate, a latch column is provided above the processing base plate, and the latch column is inserted into one side of the first bearing, and the cooperation between the structures on the processing base plate is utilized to eliminate the radial clamping force, and the clamping is performed in an equal force state, and the clamping is performed at the corresponding position at the same time, so as to avoid the problem of force deformation during the processing of the hole, and improve the processing accuracy and surface quality.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall bottom view of the utility model.

[0020] Figure 3 It is a schematic top view of the overall upper structure of the utility model;

[0021] Figure 4 It is a side view schematic diagram of the internal structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the internal structure coordination of the utility model.

[0023] In the figure: 1. main support block; 2. processing base plate; 3. positioning block; 4. connecting block; 5. clamping seat; 6. L-shaped clamping assembly; 7. first positioning column; 8. second positioning column; 9. top pressure column; 10. limit fixed point column; 11. latch column; 12. first bearing; 13. second bearing. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5As shown, a device for precision machining of thin-walled aluminum alloy bearing holes comprises a main support block 1, a machining base plate 2 is provided in the middle of one side of the main support block 1, and positioning blocks 3 are provided on both sides below the machining base plate 2, and a connecting block 4 is provided at the other end of the machining base plate 2, a first positioning column 7 and a second positioning column 8 are respectively inserted in the machining base plate 2, and the first positioning column 7 and the second positioning column 8 correspond to the pressing points below the first bearing 12 and the second bearing 13, a clamping seat 5 is provided above the first positioning column 7, and one end of an L-shaped clamping assembly 6 is provided above the clamping seat 5, and the other end of the L-shaped clamping assembly 6 is respectively placed at the corresponding positions above the first bearing 12 and the second bearing 13, a top pressure column 9 is provided above the second positioning column 8, and the top of the top pressure column 9 is placed at the corresponding points below the first bearing 12 and the second bearing 13, a limit fixed point column 10 is provided above the machining base plate 2, a latch column 11 is provided above one side of the machining base plate 2, and the middle part of the latch column 11 is placed inside one side of the first bearing 12.

[0026] One end of the processing base plate 2 is fixedly connected through the middle of one side of the main support block 1, and the main support block 1 is connected to the processing equipment. The positioning blocks 3 are fixedly connected on both sides below the processing base plate 2, and one end of the positioning block 3 is fixedly connected to the lower side of one side of the main support block 1. At the same time, the middle of the other end of the processing base plate 2 is fixedly connected to the connecting block 4.

[0027] The holes of the first bearing 12 and the second bearing 13 are precisely machined on a processing base plate 2 provided in the middle of one side of the main support block 1, and supported by a positioning block 2 provided below the processing base plate 2. At the same time, the main support block 1 and the connecting block 4 provided at the other end of the processing base plate 2 are matched and connected to the processing equipment.

[0028] Furthermore, a plurality of first positioning columns 7 and second positioning columns 8 are inserted and fixedly connected under the processing base plate 2, and the second positioning columns 8 are placed inside the first positioning columns 7 with a distance therebetween, and the plurality of first positioning columns 7 are divided into groups of four.

[0029] The first positioning column 7 and the second positioning column 8 are arranged in the processing base plate 2 for the different settings of the first bearings 12 and the second bearings 13 on both sides. Since the first positioning columns 7 are arranged in a group of four and in a square shape, when the first bearing 12 and the second bearing 13 are pressed together, the pressing force is the same to prevent stress.

[0030] Furthermore, the top of the first positioning column 7 is fixedly connected to the bottom of the clamping seat 5, and the bottom of the clamping seat 5 is tightly fitted with the upper plane of the processing base plate 2. At the same time, the clamping seat 5 is spaced apart from the main support block 1 and the connecting block 4 respectively.

[0031] Furthermore, one end of the L-shaped clamping assembly 6 is rotatably connected to the top of the clamping seat 5, and the other ends of the four L-shaped clamping assemblies 6 point to the center of each other, and there is a distance between the bottom of the other end of the L-shaped clamping assembly 6 and the upper plane of the processing base plate 2.

[0032] A clamping seat 5 and an L-shaped clamping assembly 6 are provided above the first positioning column 7 , and the L-shaped clamping assembly 6 is used to press the first bearing 12 and the second bearing 13 according to the distribution of the first positioning column 7 .

[0033] Furthermore, a pressing column 9 is fixedly connected above the second positioning column 8 , and the top of the pressing column 9 exceeds the upper plane of the processing bottom plate 2 .

[0034] The pressing column 9 disposed above the second positioning column 8 presses against the first bearing 12 and the second bearing 13 in a targeted manner and cooperates with the L-shaped clamping assembly 6 .

[0035] Furthermore, a limit fixed point column 10 is fixedly connected to the plane on one side of the processing base plate 2, and the limit fixed point column 10 corresponds to the bottom of the other end of the L-shaped clamping component 6.

[0036] Furthermore, the upper and lower planes of the first bearing 12 and the second bearing 13 are pressed between the bottom of the other end of the L-shaped clamping assembly 6 and the top of the limiting fixed point column 10 .

[0037] Furthermore, the top of the pressing column 9 presses against the lower planes of the first bearing 12 and the second bearing 13 .

[0038] A limit fixed point column 10 and an L-shaped clamping assembly 6 are provided above the processing base plate 2 to cooperate with each other to press the first bearing 12 and the second bearing 13, and a pressure column 9 is correspondingly used to support the lower part of the first bearing 12 and the second bearing 13. The L-shaped clamping assembly 6, the limit fixed point column 10 and the pressure column 9 press the bearings at the same time, so that the bearings are evenly stressed.

[0039] The latch column 11 is fixedly connected by processing one side of the upper plane of the bottom plate 2, and the middle part of the latch column 11 is inserted into one side of the first bearing 12 for sliding connection.

[0040] The latch column 11 provided on the processing base plate 2 is inserted according to the characteristics of the first bearing 12, thereby strengthening the restriction on the first bearing 12. After the latch column 11 is inserted, the tension of the first bearing 12 during processing is increased to offset the corresponding stress.

[0041] Working principle:

[0042] A processing base plate 2 is provided in the middle of one side of the main support block 1, and positioning blocks 3 are provided on both sides below the processing base plate 2. At the same time, a connecting block 4 is provided in the middle of the other end of the processing base plate 2. The main support block 1, the processing base plate 2, the positioning block 3 and the connecting block 4 form an integral processing base device. The holes of the first bearing 12 and the second bearing 13 are precisely processed on the processing base plate 2. A plurality of first positioning columns 7 and a plurality of second positioning columns 8 are provided in the processing base plate 3, and the second positioning columns 8 are placed in the first positioning columns 7, which are arranged relative to the shape characteristics of the first bearing 12 and the second bearing 13. A clamping seat 5 is provided above the first positioning column 7, and an L-shaped clamping component 6 is provided above the clamping seat 5. A pressure column 9 is provided above the second positioning column 8, and a limit fixed point column 10 is provided on the processing base plate 2. First, the upper and lower planes of the first bearing 12 and the second bearing 13 are pressed together by the L-shaped clamping assembly 6 and the limit fixed point column 10 to form a fixation. At the same time, the top of the pressure column 9 is pressed under the corresponding lower part of the first bearing 12 and the second bearing 13, so that the first bearing 12 and the second bearing 13 are fixed above the processing base plate 2 with equal force. A latch column 11 is provided above the processing base plate 2, and the latch column 11 is correspondingly inserted into one side of the first bearing 12. Due to the characteristic of the first bearing 12, the tensile force is increased, thereby preventing the generation of stress during precision hole processing.

[0043] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0044] Although this article uses more terms such as 1. main support block; 2. processing bottom plate; 3. positioning block; 4. connection block; 5. clamping seat; 6. L-shaped clamping assembly; 7. first positioning column; 8. second positioning column; 9. top pressure column; 10. limit fixed point column; 11. latch column; 12. first bearing; 13. second bearing, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A device for precision machining of thin-walled aluminum alloy bearing holes, comprising a main support block (1), characterized in that: A processing base plate (2) is provided in the middle of one side of the main support block (1), and positioning blocks (3) are provided on both sides below the processing base plate (2), and a connecting block (4) is provided at the other end of the processing base plate (2). A first positioning column (7) and a second positioning column (8) are respectively inserted into the processing base plate (2), and the first positioning column (7) and the second positioning column (8) correspond to the pressing points below the first bearing (12) and the second bearing (13). A clamping seat (5) is provided above the first positioning column (7), and an L is provided above the clamping seat (5). One end of the L-shaped clamping assembly (6) is disposed on the processing base plate (2), and the other end of the L-shaped clamping assembly (6) is respectively disposed at corresponding positions above the first bearing (12) and the second bearing (13). A pressing column (9) is disposed above the second positioning column (8), and the top of the pressing column (9) is disposed at corresponding points below the first bearing (12) and the second bearing (13). A limiting fixed point column (10) is disposed above the processing base plate (2), and a latch column (11) is disposed above one side of the processing base plate (2), and the middle of the latch column (11) is disposed inside one side of the first bearing (12).

2. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 1, characterized in that: The middle of one side of the main support block (1) is fixedly connected to one end of the processing base plate (2), and the main support block (1) is connected to the processing equipment. Both sides below the processing base plate (2) are fixedly connected to the positioning blocks (3), and one end of the positioning block (3) is fixedly connected to the lower side of one side of the main support block (1), while the middle of the other end of the processing base plate (2) is fixedly connected to the connecting block (4).

3. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 2, characterized in that: A plurality of first positioning columns (7) and second positioning columns (8) are inserted and fixedly connected under the processing base plate (2), and the second positioning columns (8) are placed inside the first positioning columns (7) with a distance therebetween, and the plurality of first positioning columns (7) are divided into groups of four.

4. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 3 is characterized in that: The top of the first positioning column (7) is fixedly connected to the bottom of the clamping seat (5), and the bottom of the clamping seat (5) is tightly fitted with the upper plane of the processing base plate (2), and at the same time, the clamping seat (5) is spaced apart from the main support block (1) and the connecting block (4).

5. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 4, characterized in that: The clamping seat (5) is rotatably connected to one end of an L-shaped clamping assembly (6) at the top, and the other ends of the four L-shaped clamping assemblies (6) point to the center of each other, and there is a distance between the bottom of the other end of the L-shaped clamping assembly (6) and the upper plane of the processing base plate (2).

6. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 5, characterized in that: A pressing column (9) is fixedly connected above the second positioning column (8), and the top of the pressing column (9) exceeds the upper plane of the processing bottom plate (2).

7. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 6, characterized in that: The upper plane on one side of the processing base plate (2) is fixedly connected to a limiting fixed point column (10), and the limiting fixed point column (10) corresponds to the bottom of the other end of the L-shaped clamping component (6).

8. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 7, characterized in that: The upper and lower planes of the first bearing (12) and the second bearing (13) are pressed between the bottom of the other end of the L-shaped clamping assembly (6) and the top of the limiting fixed point column (10).

9. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 8, characterized in that: The top of the pressing column (9) presses against the lower planes of the first bearing (12) and the second bearing (13).

10. The device for precision machining of thin-walled aluminum alloy bearing holes according to claim 9, characterized in that: One side of the upper plane of the processing bottom plate (2) is fixedly connected to a latch column (11), and the middle part of the latch column (11) is inserted into one side of the first bearing (12) for sliding connection.

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