CN210548201U - Machining tool for aluminum alloy structural part for light automobile - Google Patents
Machining tool for aluminum alloy structural part for light automobile Download PDFInfo
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- CN210548201U CN210548201U CN201921161787.4U CN201921161787U CN210548201U CN 210548201 U CN210548201 U CN 210548201U CN 201921161787 U CN201921161787 U CN 201921161787U CN 210548201 U CN210548201 U CN 210548201U
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Abstract
The utility model provides a lightweight automobile aluminum alloy structure's machine tooling frock, including bottom plate, location platform, pull-down cylinder, gland and pneumatic three-jaw chuck, the bottom plate upper end is fixed with two location platforms, and every location platform all installs pneumatic three-jaw chuck, can dismantle on the pneumatic three-jaw chuck to be fixed with three lamella that rises, and the pull-down cylinder is installed in the bottom plate below, and pull-down cylinder's cylinder rod end fixing has the pull rod, and the pull rod runs through bottom plate, location platform and pneumatic three-jaw chuck from bottom to top in proper order, the upper end fixed connection gland of pull rod, the diameter of gland width in treat tight motor casing, pull-down cylinder pulling pull rod drives the gland and compresses tightly the motor casing downwards. The utility model discloses fine solution the easy difficult problem that warp of thin wall spare processing, increase three-jaw air chuck core mechanism that rises, when preventing that thin wall spare atress processing warp, also can guarantee processing positioning accuracy according to three-jaw chuck self centering characteristic to make the product size more stable.
Description
Technical Field
The utility model belongs to the technical field of the aluminum alloy ex-trusions is made and specifically relates to a machining frock of aluminum alloy structure spare for lightweight car is related to.
Background
Aluminum alloy structure spare (for example, motor casing) for lightweight car need carry out the clamping location when adding man-hour, former frock design is for adopting location mould benevolence location, taut dead mode, the shortcoming of location lies in that the product processing atress leads to warping easily like this, be difficult to ensure product geometric tolerance requirement, pass through secondary dress card moreover, the error that the conversion of location benchmark leads to is accumulative total, increase the product processing degree of difficulty, qualified products productivity reduction causes unnecessary manpower and materials extravagant, increase manufacturing cost.
Disclosure of Invention
In view of this, the utility model aims at providing a machining frock of aluminum alloy structure spare for lightweight car can solve above-mentioned problem.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a lightweight automobile aluminum alloy structure's machine tooling frock, includes bottom plate, location platform, drop-down cylinder, gland and pneumatic three-jaw chuck, the bottom plate upper end is fixed with two location platforms, pneumatic three-jaw chuck is all installed to every location platform, can dismantle on the pneumatic three-jaw chuck to be fixed with three lamella that rises, three lamella equipartition that rises is on pneumatic three-jaw chuck, the arcwall face of the outside one side of lamella that rises and the medial surface of waiting to press from both sides tight motor casing are laminated mutually, drop-down cylinder installs in the bottom plate below, drop-down cylinder's cylinder end fixing has the pull rod, the pull rod runs through the bottom plate from bottom to top in proper order, location platform and pneumatic three-jaw chuck, the upper end fixed connection gland of pull rod, the diameter of gland is wider than waiting to press from both sides tight motor casing, drop-down cylinder.
Furthermore, the positioning table is of a round cake-shaped structure, a boss is fixed at the center of the positioning table, and the pneumatic three-jaw chuck is installed on the boss.
Furthermore, the edge of the positioning table is detachably fixed with an angular positioning block, the angular positioning block is provided with a positioning groove towards one side of the center of the positioning table, so that the cross section of the angular positioning block forms a concave structure, and the shape and the size of the positioning groove are matched with the edge outside the motor shell.
Further, the pull rod penetrates out of the center of the positioning table.
Further, the expansion valve is fixed on the pneumatic three-jaw chuck through a bolt.
Furthermore, the arc-shaped surfaces of the outward sides of the three expansion flaps are concentric.
Further, the lower end of the gland is provided with a round cake-shaped bulge, and the outer diameter of the bulge is slightly smaller than the inner diameter of the motor shell.
Compared with the prior art, a machining frock of aluminum alloy structure spare for lightweight car, following beneficial effect has: the problem that a thin-wall part is easy to deform during machining is well solved, the three-jaw pneumatic chuck core expanding mechanism is additionally arranged, the thin-wall part is prevented from deforming during machining under stress, and meanwhile, the machining positioning precision can be guaranteed according to the automatic centering characteristic of the three-jaw chuck, so that the product size is more stable.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention (single positioning table);
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a vertical cross-sectional view of the expansion flap of FIG. 2;
description of reference numerals:
1-pressing a cover; 2-a pull rod; 3-expanding petals; 4-a pneumatic three-jaw chuck; 5-a positioning table; 6-a pull-down cylinder; 7-a bottom plate; 8-angular positioning blocks; 9-motor casing; 10-bump; 11-boss.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-4, a machining tool for a light-weight automobile aluminum alloy structural part comprises a bottom plate 7, two positioning tables 5, a pull-down cylinder 6, a gland 1 and a pneumatic three-jaw chuck 4, wherein the two positioning tables 5 are fixed at the upper end of the bottom plate 7, the pneumatic three-jaw chuck 4 is installed on each positioning table 5, and three expansion flaps 3 are fixed on the pneumatic three-jaw chuck 4 through bolts. The three expansion petals 3 are uniformly distributed on the pneumatic three-jaw chuck 4, the arc-shaped surface of the outward side of each expansion petal 3 is attached to the inner side surface of the motor shell 9 to be clamped, and the arc-shaped surfaces of the outward sides of the three expansion petals 3 are concentric. The pull-down cylinder 6 is installed below the bottom plate 7, a pull rod 2 is fixed at the end of a cylinder rod of the pull-down cylinder 6, the pull rod 2 sequentially penetrates through the bottom plate 7, the positioning table 5 and the pneumatic three-jaw chuck 4 from bottom to top, a gland 1 is fixedly connected to the upper end of the pull rod 2, the diameter of the gland 1 is wider than a motor shell 9 to be clamped, and the pull rod 2 penetrates out from the center of the positioning table 5. The pull rod 2 is pulled by the pull-down cylinder 6 to drive the gland 1 to press the motor casing 9 downwards.
The positioning table 5 is of a round cake-shaped structure, a boss 11 is fixed at the center of the positioning table 5, and the pneumatic three-jaw chuck 4 is installed on the boss 11.
An angular positioning block 8 is detachably fixed at the edge of the positioning table 5, a positioning groove is formed in one side, facing the center of the positioning table 5, of the angular positioning block 8, the cross section of the angular positioning block 8 is of a concave structure, and the shape and the size of the positioning groove are matched with the edge of the outer side of the motor casing 9.
The lower end of the gland 1 is provided with a round cake-shaped bulge 10, and the outer diameter of the bulge 10 is slightly smaller than the inner diameter of the motor casing 9.
Three lamella 3 and the angular positioning piece 8 that rises require the frock to assemble the back well, according to the product size, at the programming of CNC lathe, mills three external diameter and the constant head tank that rises lamella 3 to guarantee to rise the lamella 3 and can laminate with the product internal diameter, guarantee the marginal edge laminating in constant head tank and the motor casing 9 outside, even if through secondary dress card, also can guarantee higher positioning accuracy. The size of the outer diameter of the expansion valve 3 is closer to the size of the inner diameter of the product, the positioning precision is higher, and the product quality is better. Compared with the mold core positioning adopted by the original design, the positioning mode is more reliable.
Between lamella 3 and the chuck prong, adopt positioning key fixed connection, prevent to influence positioning accuracy because fastening bolt is not hard up to lead to three lamella 3 decentraction that rises. The pneumatic three-jaw chuck 4 and the tool bottom plate 7 also need to adopt a key groove fixing mode, so that the movement of a positioning reference caused by bolt loosening or maintenance and disassembly is prevented, the coordinate of a machine tool program does not accord with that of the machine tool, and the production cost is increased.
When in use, the positioning table 5 and the angular positioning block 8 are used for roughly positioning a product; installing a gland 1; shifting an air source switch to enable the pneumatic three-jaw chuck 4 and the pull-down cylinder 6 to operate and fix a product; and the CNC machine tool is used for processing the product.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a machining frock of aluminum alloy structure spare for lightweight car which characterized in that: comprises a bottom plate (7), positioning tables (5), a pull-down cylinder (6), a gland (1) and a pneumatic three-jaw chuck (4), wherein the upper end of the bottom plate (7) is fixed with two positioning tables (5), each positioning table (5) is provided with the pneumatic three-jaw chuck (4), the pneumatic three-jaw chuck (4) is detachably fixed with three expansion flaps (3), the three expansion flaps (3) are uniformly distributed on the pneumatic three-jaw chuck (4), the arc surface of the outward side of each expansion flap (3) is attached to the inner side surface of a motor shell (9) to be clamped, the pull-down cylinder (6) is arranged below the bottom plate (7), the end part of a cylinder rod of the pull-down cylinder (6) is fixedly provided with a pull rod (2), the pull rod (2) sequentially penetrates through the bottom plate (7), the positioning tables (5) and the pneumatic three-jaw chuck (4) from bottom to top, the upper end of the pull rod (2) is fixedly connected with the gland (1), and the diameter of the, the pull rod (2) is pulled by the pull-down cylinder (6) to drive the gland (1) to downwards compress the motor shell (9).
2. The machining tool for the aluminum alloy structural member for the light automobile according to claim 1, characterized in that: the positioning table (5) is of a round cake-shaped structure, a boss (11) is fixed at the center of the positioning table (5), and the pneumatic three-jaw chuck (4) is installed on the boss (11).
3. The machining tool for the aluminum alloy structural member for the light automobile according to claim 2, characterized in that: the edge of location platform (5) can dismantle fixed angle locating piece (8), and open one side towards location platform (5) center angle locating piece (8) has the constant head tank, makes the cross section of angle locating piece (8) form "concave" font structure, the shape and size of constant head tank and the arris phase-match in the motor casing (9) outside.
4. The machining tool for the aluminum alloy structural member for the light-weight automobile according to any one of claims 1 to 3, characterized in that: the pull rod (2) penetrates out of the center of the positioning table (5).
5. The machining tool for the aluminum alloy structural member for the light automobile according to claim 1, characterized in that: the expansion valve (3) is fixed on the pneumatic three-jaw chuck (4) through a bolt.
6. The machining tool for the aluminum alloy structural member for the light automobile according to claim 1, characterized in that: the arc surfaces of the outward sides of the three expansion flaps (3) are concentric.
7. The machining tool for the aluminum alloy structural member for the light automobile according to claim 1, characterized in that: the lower end of the gland (1) is provided with a round cake-shaped bulge (10), and the outer diameter of the bulge (10) is slightly smaller than the inner diameter of the motor casing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161787.4U CN210548201U (en) | 2019-07-23 | 2019-07-23 | Machining tool for aluminum alloy structural part for light automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161787.4U CN210548201U (en) | 2019-07-23 | 2019-07-23 | Machining tool for aluminum alloy structural part for light automobile |
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| Publication Number | Publication Date |
|---|---|
| CN210548201U true CN210548201U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921161787.4U Active CN210548201U (en) | 2019-07-23 | 2019-07-23 | Machining tool for aluminum alloy structural part for light automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131526A (en) * | 2021-11-30 | 2022-03-04 | 西安航天发动机有限公司 | Self-centering clamping device and method for automatically detecting multiple sealing sleeves |
-
2019
- 2019-07-23 CN CN201921161787.4U patent/CN210548201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131526A (en) * | 2021-11-30 | 2022-03-04 | 西安航天发动机有限公司 | Self-centering clamping device and method for automatically detecting multiple sealing sleeves |
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Address after: No.88 Xiangyuan Road, Changshu high tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee after: Ruixinchang Technology (Changshu) Co., Ltd Address before: 215500 Penghu Road, Changshu high tech Industrial Development Zone, Suzhou, Jiangsu Province, No. 1 Patentee before: RUIXINCHANG LIGHT ALLOY (CHANGSHU) Co.,Ltd. |