CN216228075U - Piston blank frock with self-centering function - Google Patents
Piston blank frock with self-centering function Download PDFInfo
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- CN216228075U CN216228075U CN202122800850.8U CN202122800850U CN216228075U CN 216228075 U CN216228075 U CN 216228075U CN 202122800850 U CN202122800850 U CN 202122800850U CN 216228075 U CN216228075 U CN 216228075U
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- main shaft
- limiting plate
- spring
- piston blank
- centering function
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Abstract
The utility model discloses a piston blank tool with an automatic centering function, which is characterized in that: the frock include main shaft (1), the one end of main shaft (1) is through a plurality of bolt (2) fixedly connected with locating piece (3) of evenly distributed on the circumferencial direction, the edge of the outer terminal surface of locating piece (3) is circular arc locating surface (4), has seted up in locating piece (3) and has detected groove (12), swing joint has degree of depth to detect piece (5) in detecting groove (12), degree of depth detects piece (5) and comprises interconnect's limiting plate (6) and measuring block (7) two parts, and wherein the profile of limiting plate (6) is greater than the diameter of detecting groove (12), still is provided with spring (8) in main shaft (1), the one end and the limiting plate (6) contact of spring (8), the frock still include top dish (9), bell mouth (10) have been seted up to the center department of top dish (9).
Description
Technical Field
The utility model relates to a tool clamp, in particular to a piston blank tool with an automatic centering function.
Background
The piston is a core component of the engine, and the processing quality of the piston directly influences the service life and the safety of the engine. Therefore, in the process of machining the piston, the thickness difference of the inner cavity wall of the piston needs to be strictly controlled. The traditional processing method is to use trial cutting and repeated measurement method to ensure the wall thickness difference on the machine tool, and the method needs repeated clamping, has long processing time and low working efficiency, and has relatively large hidden trouble of quality problem caused by human factors because an operator performs alignment control in the whole processing process. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the tool with the automatic centering function, which is simple in structure, ingenious in design, reasonable in layout, and capable of conveniently, quickly and efficiently detecting the wall thickness difference of the piston blank.
The technical solution of the utility model is as follows: the utility model provides a piston blank frock with automatic centering function which characterized in that: the tool comprises a main shaft 1, wherein one end of the main shaft 1 is fixedly connected with a positioning block 3 through a plurality of bolts 2 which are uniformly distributed in the circumferential direction, the edge of the outer end face of the positioning block 3 is an arc positioning face 4, a detection groove 12 is formed in the positioning block 3, a depth detection piece 5 is movably connected in the detection groove 12, the depth detection piece 5 consists of a limiting plate 6 and a measurement block 7 which are connected with each other, the outline of the limiting plate 6 is larger than the diameter of the detection groove 12, a spring 8 is further arranged in the main shaft 1, one end of the spring 8 is in contact with the limiting plate 6,
the tool further comprises a top disc 9, a tapered hole 10 is formed in the center of the top disc 9, and the edge of the end face, facing the direction of the main shaft 1, of the top disc 9 is also an arc positioning surface 4.
Compared with the prior art, the utility model has the following advantages:
the piston blank tool with the structure form and the automatic centering function is simple in structure, ingenious in design and reasonable in layout, aims at various problems in the traditional piston blank machining process, designs a special structure, aligns the piston blank through a positioning block with an arc positioning surface on the outer edge, clamps the blank together with the positioning block by utilizing a top disc matched with the center, and can quickly and conveniently detect whether the depth of the bottom surface of a combustion chamber on the blank meets the size requirement or not by measuring the distance between a depth detection piece movably connected in the positioning block and the end surface of the blank. The automatic centering device can conveniently, quickly and accurately realize the automatic centering of the blank piece, thereby ensuring the accuracy of the measuring result, reducing the manual labor of operators and greatly improving the working efficiency. And the manufacturing process is simple, the manufacturing cost is low, so that the novel LED lamp has multiple advantages, is particularly suitable for popularization and application in the field, and has a very wide market prospect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the accompanying drawings. As shown in fig. 1: a piston blank tool with an automatic centering function comprises a main shaft 1, wherein one end of the main shaft 1 is fixedly connected with a positioning block 3 through a plurality of bolts 2 which are uniformly distributed in the circumferential direction, the edge of the outer end face of the positioning block 3 is an arc positioning face 4, a detection groove 12 is formed in the positioning block 3, a depth detection piece 5 is movably connected in the detection groove 12, the depth detection piece 5 consists of a limiting plate 6 and a measurement block 7 which are connected with each other, the outline of the limiting plate 6 is larger than the diameter of the detection groove 12, a spring 8 is further arranged in the main shaft 1, one end of the spring 8 is in contact with the limiting plate 6,
the tool further comprises a top disc 9, a tapered hole 10 is formed in the center of the top disc 9, and the edge of the end face, facing the direction of the main shaft 1, of the top disc 9 is also an arc positioning surface 4.
The working process of the piston blank tool with the automatic centering function provided by the embodiment of the utility model is as follows: firstly, one end of a main shaft 1 far away from a positioning block 3 is connected to a lathe through a three-jaw chuck, a tip 11 on the lathe is propped against a tapered hole 10 of a top disc 9, a workpiece 13 (piston blank) to be detected is clamped between the positioning block 3 and the top disc 9,
the arc positioning surface 4 on the top disc 9 is clamped at the spigot of the workpiece 13, the arc positioning surface 4 on the positioning block 3 is clamped at the side wall of the combustion chamber of the workpiece 13, and the edge of the positioning surface is arc-shaped, so that the axis of the workpiece 13 can be automatically adjusted to be in a state coaxial with the main shaft 1 after being clamped, and automatic centering operation is realized;
after the workpiece 13 is clamped, the measuring block 7 on the depth detection piece 5 is contacted with the bottom surface of the combustion chamber on the workpiece 13, so that the whole depth detection piece 5 moves towards the direction of the main shaft 1 under the action of the workpiece 13, and because the standard depth of the bottom surface of the combustion chamber is known and the length of the measuring block 7 is known, only the distance between the limiting plate 6 and the side wall of the workpiece 13 in the state needs to be measured, and whether the depth of the bottom surface of the combustion chamber on the workpiece 13 meets the size requirement can be judged.
Claims (1)
1. The utility model provides a piston blank frock with automatic centering function which characterized in that: the tool comprises a main shaft (1), one end of the main shaft (1) is fixedly connected with a positioning block (3) through a plurality of bolts (2) which are uniformly distributed in the circumferential direction, the edge of the outer end face of the positioning block (3) is an arc positioning face (4), a detection groove (12) is formed in the positioning block (3), a depth detection piece (5) is movably connected in the detection groove (12), the depth detection piece (5) is composed of a limiting plate (6) and a measurement block (7) which are connected with each other, the outline of the limiting plate (6) is larger than the diameter of the detection groove (12), a spring (8) is further arranged in the main shaft (1), one end of the spring (8) is contacted with the limiting plate (6),
the tool further comprises a top disc (9), a tapered hole (10) is formed in the center of the top disc (9), and the edge of the end face, facing the direction of the main shaft (1), of the top disc (9) is also an arc positioning face (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122800850.8U CN216228075U (en) | 2021-11-16 | 2021-11-16 | Piston blank frock with self-centering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122800850.8U CN216228075U (en) | 2021-11-16 | 2021-11-16 | Piston blank frock with self-centering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216228075U true CN216228075U (en) | 2022-04-08 |
Family
ID=80942791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122800850.8U Active CN216228075U (en) | 2021-11-16 | 2021-11-16 | Piston blank frock with self-centering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216228075U (en) |
-
2021
- 2021-11-16 CN CN202122800850.8U patent/CN216228075U/en active Active
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