CN215999539U - Positioning tool for machining engine shell - Google Patents
Positioning tool for machining engine shell Download PDFInfo
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- CN215999539U CN215999539U CN202122070589.0U CN202122070589U CN215999539U CN 215999539 U CN215999539 U CN 215999539U CN 202122070589 U CN202122070589 U CN 202122070589U CN 215999539 U CN215999539 U CN 215999539U
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Abstract
The utility model discloses a positioning tool for processing an engine shell, wherein one end of a first positioning column is fixed with a supporting plate; one end of the second positioning column is fixed with the supporting plate; one end of the third positioning column is fixed with the supporting plate; one end of the fourth positioning column is fixed with the supporting plate; one end of the fifth positioning column is fixed with the supporting plate; one end of the sixth positioning column is fixed with the supporting plate; one end of the seventh positioning column is fixed with the supporting plate. The utility model discloses can promote engine housing's positioning accuracy.
Description
Technical Field
The utility model relates to a location frock of engine housing processing.
Background
The fixture is a technological apparatus for fast fastening workpiece to maintain the correct relative positions of machine tool, cutter and workpiece. The tool clamp is an indispensable part for machining, is favorable for ensuring the machining precision of workpieces, stabilizing the product quality, improving the labor productivity and reducing the cost, is favorable for improving the labor condition of workers, ensures safe production and is favorable for expanding the process range of a machine tool.
The existing tool clamp for machining the automobile engine shell cannot finish accurate, stable and quick installation and fixation on an engine shell product to be manufactured according to machining requirements such as cutting and the like, and cannot adjust the adaptive distance of the engine shell products of different sizes according to the machining requirements so as to meet the requirements of cutting treatment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can promote positioning accuracy's location frock of engine housing processing.
Location frock of engine housing processing includes: a support plate;
one end of the first positioning column is fixed with the support plate, the other end of the first positioning column is provided with a first column body, and a first step is formed between the first column body and the first positioning column;
one end of the second positioning column is fixed with the supporting plate, the other end of the second positioning column is provided with a second column body, a second step is formed between the second column body and the second positioning column, and a first included angle is formed between the central connecting line of the second positioning column and the first positioning column and the longitudinal direction of the supporting plate;
one end of the third positioning column is fixed with the supporting plate, a third column body is arranged at the other end of the third positioning column, a third step is formed between the third column body and the third positioning column, and a second included angle is formed between the central connecting line of the second positioning column and the third positioning column and the longitudinal direction of the supporting plate;
one end of the fourth positioning column is fixed with the supporting plate, the other end of the fourth positioning column is provided with a fourth column body, and a fourth step is formed between the fourth column body and the fourth positioning column;
one end of the fifth positioning column is fixed with the supporting plate, a fifth column body is arranged at the other end of the fifth positioning column, a fifth step is formed between the fifth column body and the fifth positioning column, and a third included angle is formed between the central connecting line of the fifth positioning column and the fourth positioning column and the longitudinal direction of the supporting plate;
one end of the sixth positioning column is fixed with the supporting plate, a sixth column body is arranged at the other end of the sixth positioning column, a sixth step is formed between the sixth positioning column and the sixth positioning column, and a fourth included angle is formed between the center connecting line of the sixth positioning column and the fifth positioning column and the longitudinal direction of the supporting plate;
one end of the seventh positioning column is fixed with the supporting plate, a seventh column body is arranged at the other end of the seventh positioning column, a seventh step is formed between the seventh positioning column and the seventh positioning column, and a fifth included angle is formed between the center connecting line of the seventh positioning column and the sixth positioning column and the longitudinal direction of the supporting plate.
Before the engine shell is processed, the first cylinder, the second cylinder, the third cylinder, the fourth cylinder, the fifth cylinder, the sixth positioning column and the seventh cylinder are respectively matched with each hole in the engine shell, the end face of the engine shell is matched with the first step, the second step, the third step, the fourth step, the fifth step, the sixth step and the seventh step, the positioning accuracy is improved through each step, an included angle is formed between the center connecting line of the two adjacent positioning columns and the longitudinal direction of the supporting plate, and the engine shell can be uniformly supported.
Drawings
FIG. 1 is an assembly view of an engine housing and a positioning fixture;
FIG. 2 is a top view of the positioning tool;
FIG. 3 is a perspective view of the positioning tool;
FIG. 4 is a cross-sectional view of the positioning tool;
reference numbers in the drawings:
the positioning device comprises a supporting plate 1, a bottom plate 1a, a panel 1b, a processing reference surface 1c, a first positioning column 2, a first step 2b, a first column body 2a, a second positioning column 3, a second column body 3a, a second step 3b, a third positioning column 4, a third column body 4a, a third step 4b, a fourth positioning column 5, a fourth column body 5a, a fourth step 5b, a fifth positioning column 6, a fifth column body 6a, a fifth step 6b, a sixth positioning column 7, a sixth column body 7a, a sixth step 7b, a seventh positioning column 8, a seventh column body 8a, a seventh step 8b, a sleeve 9, a first included angle alpha and a second included angle beta. A third angle γ, a fourth angle δ, a fifth angle θ, a sixth angle λ, a seventh angle σ, an eighth angle φ, an engine case A.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model discloses a location frock of engine housing processing, including backup pad 1, first reference column 2, second reference column 3, third reference column 4, fourth reference column 5, fifth reference column 6, sixth reference column 7, seventh reference column 8, explain below each part and the relation between them respectively:
the first positioning column 2, the second positioning column 3 and the third positioning column 4 are located on the same side, wherein one end of the first positioning column 2 is fixed to the supporting plate 1, the other end of the first positioning column 2 is provided with a first column body 2a, and a first step 2b is formed between the first column body 2a and the first positioning column 2. One end of the second positioning column 3 is fixed with the supporting plate 1, the other end of the second positioning column 3 is provided with a second column body 3a, a second step 3b is formed between the second column body 3a and the second positioning column 3, and a first included angle alpha is formed between the central connecting line of the second positioning column 3 and the first positioning column 2 and the longitudinal direction of the supporting plate 1. One end of the third positioning column 4 is fixed with the supporting plate 1, the other end of the third positioning column 4 is provided with a third column 4a, a third step 4b is formed between the third column 4a and the third positioning column 4, a second included angle beta is formed between the central connecting line of the second positioning column 3 and the third positioning column 4 and the longitudinal direction of the supporting plate 1, and the first included angle alpha is smaller than the second included angle beta.
The fourth positioning column 5, the fifth positioning column 6, the sixth positioning column 7 and the seventh positioning column 8 are located on the same side, one end of the fourth positioning column 5 is fixed to the supporting plate 1, a fourth cylinder 5a is arranged at the other end of the fourth positioning column 5, a fourth step 5b is formed between the fourth cylinder 5a and the fourth positioning column 4, one end of the fifth positioning column 6 is fixed to the supporting plate 1, a fifth cylinder 6a is arranged at the other end of the fifth positioning column 6, a fifth step 6b is formed between the fifth cylinder 6a and the fifth positioning column 6, and a third included angle gamma is formed between a central connecting line of the fifth positioning column 6 and the fourth positioning column 5 and the longitudinal direction of the supporting plate 1. One end of a sixth positioning column 7 is fixed with the supporting plate 1, a sixth column 7a is arranged at the other end of the sixth positioning column 7, a sixth step 7b is formed between the sixth positioning column 7a and the sixth positioning column 7, and a fourth included angle delta is formed between a central connecting line of the sixth positioning column 7 and the fifth positioning column 6 and the longitudinal direction of the supporting plate 1. One end of the seventh positioning column 8 is fixed to the supporting plate 1, the other end of the seventh positioning column 8 is provided with a seventh column 8a, a seventh step 8b is formed between the seventh positioning column 8a and the seventh positioning column 8, and a fifth included angle θ is formed between a central connecting line of the seventh positioning column 8 and the sixth positioning column 7 and the longitudinal direction of the supporting plate 1.
Before the engine shell A is machined, a first cylinder 2a, a second cylinder 3a, a third cylinder 4a, a fourth cylinder 5a, a fifth cylinder 6a, a sixth positioning column 7a and a seventh cylinder 8a are respectively matched with each hole in the engine shell A, the end face of the engine shell A is matched with a first step 2b, a second step 3b, a third step 4b, a fourth step 5b, a fifth step 6b, a sixth step 7b and a seventh step 8b, positioning accuracy is improved beneficially through each step, an included angle is formed between the center connecting line of two adjacent positioning columns and the longitudinal direction of a supporting plate, and the engine shell A can be uniformly supported.
And a sixth included angle lambda is formed between the central connecting line of the first positioning column 2 and the fourth positioning column 5 and the transverse direction of the supporting plate 1. A seventh included angle sigma is formed between the central connecting line of the second positioning column 3 and the fifth positioning column 6 and the transverse direction of the supporting plate 1. An eighth included angle phi is formed between the central connecting line of the third positioning column 4 and the seventh positioning column 8 and the transverse direction of the supporting plate 1.
The first column body 2a, the second column body 3a, the third column body 4a, the fourth column body 5a, the fifth column body 6a, the sixth positioning column 7a and the seventh column body 8a are all provided with mounting holes, when the end surface of the engine shell A is matched with the first step 2b, the second step 3b, the third step 4b, the fourth step 5b, the fifth step 6b, the sixth step 7b and the seventh step 8b, the engine shell A is connected with each column body through bolts, and therefore the engine shell A is fastened with each column body.
A first interval is formed between the first step 2b and the surface of the support plate 1, a second interval is formed between the second step 3b and the surface of the support plate 1, a third interval is formed between the third step 4b and the surface of the support plate 1, a fourth interval is formed between the fourth step 5b and the surface of the support plate 1, a fifth interval is formed between the fifth step 6b and the surface of the support plate 1, a sixth interval is formed between the sixth step 7b and the surface of the support plate 1, and an eighth interval is formed between the seventh step 8b and the surface of the support plate 1.
The support plate 1 is composed of a base plate 1a and a face plate 1b, and the width of the face plate 1b is smaller than that of the base plate 1a so that the side surface of the face plate 1b becomes a processing reference surface 1 c. By arranging the processing reference surface, the processing precision is improved.
Each positioning column is further provided with a sleeve 9, one end of each sleeve 9 is matched with a step on the positioning column, and when the engine shell A is matched with the step, for example, matched with the first step 2a, the sleeve 9 is used for separating the engine shell A from the first step 2a, so that the first step 2a and the engine shell A are prevented from being abraded. The sleeve 9 is made of hard plastic in this embodiment.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the technical solution, and the patent scope of the present invention is not limited; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.
Claims (4)
1. Location frock of engine housing processing, its characterized in that includes: a support plate (1);
one end of the first positioning column (2) is fixed with the support plate (1), the other end of the first positioning column (2) is provided with a first column body (2a), and a first step (2b) is formed between the first column body (2a) and the first positioning column (2);
one end of the second positioning column (3) is fixed with the supporting plate (1), a second column body (3a) is arranged at the other end of the second positioning column (3), a second step (3b) is formed between the second column body (3a) and the second positioning column (3), and a first included angle is formed between the central connecting line of the second positioning column (3) and the first positioning column (2) and the longitudinal direction of the supporting plate (1);
one end of the third positioning column (4) is fixed with the supporting plate (1), a third column body (4a) is arranged at the other end of the third positioning column (4), a third step (4b) is formed between the third column body (4a) and the third positioning column (4), and a second included angle is formed between the central connecting line of the second positioning column (3) and the third positioning column (4) and the longitudinal direction of the supporting plate (1);
one end of the fourth positioning column (5) is fixed with the supporting plate (1), the other end of the fourth positioning column (5) is provided with a fourth column body (5a), and a fourth step (5b) is formed between the fourth column body (5a) and the fourth positioning column (5);
one end of the fifth positioning column (6) is fixed with the supporting plate (1), a fifth column body (6a) is arranged at the other end of the fifth positioning column (6), a fifth step (6b) is formed between the fifth column body (6a) and the fifth positioning column (6), and a third included angle is formed between the central connecting line of the fifth positioning column (6) and the fourth positioning column (5) and the longitudinal direction of the supporting plate (1);
one end of the sixth positioning column (7) is fixed with the supporting plate (1), a sixth column body (7a) is arranged at the other end of the sixth positioning column (7), a sixth step (7b) is formed between the sixth column body (7a) and the sixth positioning column (7), and a fourth included angle is formed between the central connecting line of the sixth positioning column (7) and the fifth positioning column (6) and the longitudinal direction of the supporting plate (1);
one end of the seventh positioning column (8) is fixed with the supporting plate (1), a seventh column body (8a) is arranged at the other end of the seventh positioning column (8), a seventh step (8b) is formed between the seventh column body (8a) and the seventh positioning column (8), and a fifth included angle is formed between the central connecting line of the seventh positioning column (8) and the sixth positioning column (7) and the longitudinal direction of the supporting plate (1).
2. The positioning tool for machining the engine shell according to claim 1, wherein a sixth included angle is formed between a central connecting line of the first positioning column (2) and the fourth positioning column (5) and the transverse direction of the support plate (1);
a seventh included angle is formed between the central connecting line of the second positioning column (3) and the fifth positioning column (6) and the transverse direction of the supporting plate (1);
an eighth included angle is formed between the central connecting line of the third positioning column (4) and the seventh positioning column (8) and the transverse direction of the supporting plate (1).
3. The positioning tool for machining the engine shell according to claim 1, wherein a first distance is formed between the first step (2b) and the surface of the support plate (1), a second distance is formed between the second step (3b) and the surface of the support plate (1), a third distance is formed between the third step (4b) and the surface of the support plate (1), a fourth distance is formed between the fourth step (5b) and the surface of the support plate (1), a fifth distance is formed between the fifth step (6b) and the surface of the support plate (1), a sixth distance is formed between the sixth step (7b) and the surface of the support plate (1), an eighth distance is formed between the seventh step (8b) and the surface of the support plate (1), and the first distance, the second distance, the third distance, the fourth distance, the fifth distance, the sixth distance and the eighth distance are different in size.
4. The positioning tool for machining the engine shell according to claim 1, wherein the supporting plate (1) is composed of a bottom plate (1a) and a panel (1b), and the width of the panel (1b) is smaller than that of the bottom plate (1a), so that the side surface of the panel (1b) becomes a machining reference surface (1 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122070589.0U CN215999539U (en) | 2021-08-31 | 2021-08-31 | Positioning tool for machining engine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122070589.0U CN215999539U (en) | 2021-08-31 | 2021-08-31 | Positioning tool for machining engine shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215999539U true CN215999539U (en) | 2022-03-11 |
Family
ID=80532073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122070589.0U Active CN215999539U (en) | 2021-08-31 | 2021-08-31 | Positioning tool for machining engine shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215999539U (en) |
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2021
- 2021-08-31 CN CN202122070589.0U patent/CN215999539U/en active Active
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