CN215280992U - Thin-wall cavity special-shaped part machining clamp - Google Patents
Thin-wall cavity special-shaped part machining clamp Download PDFInfo
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- CN215280992U CN215280992U CN202121910725.6U CN202121910725U CN215280992U CN 215280992 U CN215280992 U CN 215280992U CN 202121910725 U CN202121910725 U CN 202121910725U CN 215280992 U CN215280992 U CN 215280992U
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Abstract
The utility model provides a thin-wall cavity special-shaped part machining clamp, which comprises a base, wherein a vertical plate, a plurality of positioning components and a plurality of movable supporting components are arranged on the base, the vertical plate is fixed on the base, and the positioning components and the movable supporting components are movably connected with the base; the vertical plate is provided with a plurality of positioning pins and positioning fixing bolts. Through improving original add clamping apparatus's location and the tight mode of clamp, provide technical guarantee for the high accuracy processing of engine support class part.
Description
Technical Field
The utility model belongs to the special-shaped parts machining field especially relates to a thin wall cavity special-shaped parts machining anchor clamps.
Background
The special-shaped part has complex appearance, more space size and strict requirements on size and form and position tolerance. The inclination of two processing surfaces is required to be 0.1, the verticality is 0.05, and the dimensional tolerance value of a space coordinate is +/-0.05. According to the original processing scheme, a reference plane is processed on the bottom surface 1 of a part according to the marking size of a casting blank, the other two surfaces are processed by using a special fixture with the plane as the reference, and then other parts are processed with the processing surface 2 as the reference.
The precision of the currently used numerical control boring and milling machine TPK6511/1 equipment is reduced, the worktable is seriously inclined, the requirement of a drawing is difficult to meet after the equipment is processed according to the original processing method, the contact area of the processing reference surface of the original first procedure is small, the rigidity is poor, the processed size is seriously out of tolerance, the processing quality of products cannot be ensured, and the batch production and the quality of engine bracket products are seriously restricted.
Disclosure of Invention
In view of this, the utility model aims at overcoming the defect among the prior art, provides a thin wall cavity dysmorphism parts machining anchor clamps.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a thin-wall cavity special-shaped part machining clamp comprises a base, wherein a vertical plate, a plurality of positioning assemblies and a plurality of movable supporting assemblies are arranged on the base, the vertical plate is fixed on the base, and the positioning assemblies and the movable supporting assemblies are movably connected with the base; the vertical plate is provided with a plurality of positioning pins and positioning fixing bolts. The positioning assembly and the movable supporting assembly are in threaded connection with the base, and the positions of the positioning assembly and the movable supporting assembly are adjusted according to the size and the structure of the part to be machined, so that the machining requirements of different parts can be met.
Furthermore, the positioning assembly comprises a positioning bolt, a positioning threaded sleeve, a pressing plate, a positioning nut and a positioning screw, the positioning bolt is movably connected with the base, the pressing plate is sleeved on the outer side of the positioning bolt and fixed through the positioning nut, the positioning threaded sleeve is movably connected with the base and positioned on one side of the positioning bolt, and the positioning screw penetrates through the pressing plate and is connected with the positioning threaded sleeve. The press plate can rotate 360 degrees to be suitable for processing different parts.
Furthermore, the movable support assembly comprises a support threaded sleeve and a support bolt, the support threaded sleeve is movably connected with the base, and the support bolt is connected with the positioning threaded sleeve.
Further, the lengths of the supporting thread sleeves of different movable supporting components are the same or different. The length of the supporting threaded sleeve of the movable supporting component can be replaced according to the size and the structure of the part to be processed.
Further, the lengths of the positioning bolts of different positioning assemblies are the same or different; the lengths of the positioning thread sleeves of different positioning assemblies are the same or different. The length of the positioning bolt of the positioning assembly can be replaced according to the size and the structure of the part to be processed.
Furthermore, the positioning pins comprise diamond positioning pins and/or cylindrical positioning pins.
Furthermore, the bottom of the base is provided with a plurality of positioning keys, and the positioning keys are fixed on the base through fixing screws.
Furthermore, a plurality of fixing bolts are arranged at the bottom of the base and penetrate through the base to be connected with the fixing bolts.
Compared with the prior art, the utility model discloses following advantage has:
thin wall cavity dysmorphism class parts machining anchor clamps through improving the location and the tight mode of clamp of original machining anchor clamps, provide technical guarantee for the high accuracy processing of engine support class part.
Thin wall cavity dysmorphism type parts machining anchor clamps make the processingquality of support class product obtain stable improvement, effectively solved support class product processing deformation and size out of tolerance phenomenon, improved machining efficiency, gained apparent military benefit and economic benefits for equipping the construction.
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 view of a fixture for machining a thin-wall cavity special-shaped part according to an embodiment of the present invention;
FIG. 2 is a top view of the fixture for machining thin-walled hollow special-shaped parts according to the embodiment of the present invention;
fig. 3 is a schematic view of a vertical plate according to an embodiment of the present invention.
Description of reference numerals:
1. a base; 2. a vertical plate; 3. positioning the fixing bolt; 4. positioning pins; 5. positioning the bolt; 6. positioning threaded sleeves; 7. pressing a plate; 8. positioning a nut; 9. a set screw; 10. supporting the threaded sleeve; 11. a support bolt; 12. a positioning key; 13. a set screw; 14. fixing a nut; 15. and (5) fixing the bolt.
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. 1-3, a fixture for processing thin-wall cavity special-shaped parts comprises a base 1, wherein a vertical plate 2, a plurality of positioning assemblies and a plurality of movable supporting assemblies are arranged on the base 1, the vertical plate 2 is fixed on the base 1, and the positioning assemblies and the movable supporting assemblies are movably connected with the base 1; the vertical plate 2 is provided with a plurality of positioning pins 4 and positioning fixing bolts 153. The positioning pins 4 comprise diamond positioning pins 4 and/or cylindrical positioning pins 4.
The positioning assembly comprises a positioning bolt 5, a positioning threaded sleeve 6, a pressing plate 7, a positioning nut 8 and a positioning screw 9, the positioning bolt 5 is movably connected with the base 1, the pressing plate 7 is sleeved on the outer side of the positioning bolt 5 and is fixed through the positioning nut 8, the positioning threaded sleeve 6 is movably connected with the base 1 and is positioned on one side of the positioning bolt 5, and the positioning screw 9 penetrates through the pressing plate 7 and is connected with the positioning threaded sleeve 6.
The movable supporting component comprises a supporting threaded sleeve 10 and a supporting bolt 11, the supporting threaded sleeve 10 is movably connected with the base 1, and the supporting bolt 11 is connected with the positioning threaded sleeve 6.
The support threaded sleeves 10 of different movable support assemblies are the same or different in length. The length of the positioning bolts 5 of different support assemblies is the same or different; the length of the positioning screw sleeve 6 of different support assemblies is the same or different.
The bottom of the base 1 is provided with a plurality of positioning keys 12, and the positioning keys 12 are fixed on the base 1 through fixing screws 13. The bottom of the base 1 is provided with a plurality of fixing bolts 15, and the fixing bolts 15 penetrate through the base 1 and are connected with the fixing bolts 15.
The 396 support is a special-shaped part, the middle part of the 396 support is a cavity, and the processing and clamping deformation is easily generated due to uneven stress in the clamping and processing processes, so that the processing precision of the part is influenced. The original process adopts a traditional one-side two-pin mode to clamp parts, and although the clamping mode is good in single-process machining effect, the sizes of the parts are mostly spatial three-dimensional sizes, and other related sizes are out of tolerance. Aiming at the problem, because each surface of the part needs to be processed, 3 procedures designed by the original process are combined into one procedure for processing, and the processing of all the surfaces is finished by one-time clamping, but the difficulty is in the control of the deformation of the processed part.
Firstly, the number and the position of the supporting threaded sleeves 10 are adjusted according to the structure of the part, a multi-point auxiliary support is installed to disperse pressing force generated during part clamping, meanwhile, according to the appearance characteristics of the part, the pressing part is changed to the part with large bearing capacity, the part is clamped after the position of the positioning threaded sleeve 6 and the angle of the pressing plate 7 are adjusted, and the processing deformation of the part is reduced as much as possible. The high-strength cutter bars such as the integral hard alloy drill bit and the boring cutter are adopted to overcome cutting deformation generated by the shaft neck in the machining process, cutting parameters are adjusted, the variable-feed cutting mode is adopted to machine the parts according to different sizes of the parts, the deformation of the machined parts is successfully controlled within 0.10mm through continuous adjustment, and the machining quality of products is guaranteed.
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 (8)
1. The utility model provides a thin wall cavity dysmorphism class parts machining anchor clamps which characterized in that: the vertical plate is fixed on the base, and the positioning assembly and the movable supporting assembly are movably connected with the base; the vertical plate is provided with a plurality of positioning pins and positioning fixing bolts.
2. The thin-walled cavity special-shaped part machining clamp as claimed in claim 1, wherein: the positioning assembly comprises a positioning bolt, a positioning threaded sleeve, a pressing plate, a positioning nut and a positioning screw, the positioning bolt is movably connected with the base, the pressing plate is sleeved on the outer side of the positioning bolt and fixed through the positioning nut, the positioning threaded sleeve is movably connected with the base and positioned on one side of the positioning bolt, and the positioning screw penetrates through the pressing plate and is connected with the positioning threaded sleeve.
3. The thin-walled cavity special-shaped part machining clamp as claimed in claim 2, wherein: the movable supporting component comprises a supporting threaded sleeve and a supporting bolt, the supporting threaded sleeve is movably connected with the base, and the supporting bolt is connected with the positioning threaded sleeve.
4. The thin-walled cavity special-shaped part machining clamp according to claim 3, characterized in that: the supporting screw sleeves of different movable supporting components have the same or different lengths.
5. The thin-walled cavity special-shaped part machining clamp as claimed in claim 2, wherein: the lengths of the positioning bolts of different positioning assemblies are the same or different; the lengths of the positioning thread sleeves of different positioning assemblies are the same or different.
6. The thin-walled cavity special-shaped part machining clamp as claimed in claim 1, wherein: the positioning pins comprise diamond positioning pins and/or cylindrical positioning pins.
7. The thin-walled cavity special-shaped part machining clamp as claimed in claim 1, wherein: the bottom of the base is provided with a plurality of positioning keys, and the positioning keys are fixed on the base through fixing screws.
8. The thin-walled cavity special-shaped part machining clamp as claimed in claim 1, wherein: the bottom of the base is provided with a plurality of fixing bolts, and the fixing bolts penetrate through the base and are connected with the fixing bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121910725.6U CN215280992U (en) | 2021-08-16 | 2021-08-16 | Thin-wall cavity special-shaped part machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121910725.6U CN215280992U (en) | 2021-08-16 | 2021-08-16 | Thin-wall cavity special-shaped part machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215280992U true CN215280992U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121910725.6U Active CN215280992U (en) | 2021-08-16 | 2021-08-16 | Thin-wall cavity special-shaped part machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215280992U (en) |
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2021
- 2021-08-16 CN CN202121910725.6U patent/CN215280992U/en active Active
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