CN218800693U - Piston pin hole depth angle adjusting clamp - Google Patents
Piston pin hole depth angle adjusting clamp Download PDFInfo
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- CN218800693U CN218800693U CN202222928717.5U CN202222928717U CN218800693U CN 218800693 U CN218800693 U CN 218800693U CN 202222928717 U CN202222928717 U CN 202222928717U CN 218800693 U CN218800693 U CN 218800693U
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Abstract
The utility model relates to a piston pin hole adds angular adjustment anchor clamps deeply, including the swivel pedestal, be equipped with servo cavity rotary platform on the swivel pedestal, be equipped with the cylinder mounting panel on the servo cavity rotary platform, be equipped with pneumatic finger cylinder on the cylinder mounting panel, pneumatic finger cylinder middle part is equipped with positioning mechanism, be equipped with tight piece of clamp on the clamping jaw of pneumatic finger cylinder, positioning mechanism includes the bottom plate, be equipped with the tip limiting plate on the bottom plate, be equipped with the locating plate on the tip limiting plate, the locating plate center is equipped with dodges the through-hole, both sides are equipped with the locating piece respectively about the locating plate, the locating piece front end is equipped with the circular arc recess, the circular arc recess sets up with dodging the through-hole is concentric. The clamping device has the advantages of reasonable structural design, random rotation of angles, reliable clamping, high machining precision and the like.
Description
The technical field is as follows:
the utility model relates to a piston processing technology field, concretely relates to piston pin hole adds angular adjustment anchor clamps deeply.
Background art:
the piston is a reciprocating element in the cylinder body of the automobile engine. Most of the existing pistons adopt cast aluminum parts, the cast aluminum parts are precisely machined after being formed, and pin holes are precisely machined mainly by a drilling and milling machine. As shown in figure 6, the piston is structurally schematic, the piston pin and the pin hole are in interference fit, the depth of the pin hole is long (cylindrical protrusions are arranged on the inner wall of the piston for increasing the depth of the pin hole), and therefore the installation of the piston pin is time-consuming and labor-consuming, sometimes, the shape of the piston pin is damaged due to too large force, and the installation reliability of the piston pin is reduced. Fig. 7 is a schematic structural diagram of a piston pin hole with grooves, in order to facilitate better installation of a piston pin, the piston pin hole structure is improved in the prior art, namely, two grooves are symmetrically designed at one end of the inner side of the piston pin hole (by milling), and the structural design can take account of convenience and reliability of piston pin installation. The prior piston clamp only can meet the drilling and milling processing of pin holes but cannot meet the processing of slotting, so that a clamp needs to be redesigned to meet the drilling and milling processing of the pin holes and the slotting.
The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.
The utility model has the following contents:
the utility model aims to solve the problem that prior art exists, provide piston pin hole and add angular adjustment anchor clamps deeply, have that structural design is reasonable, the angle can rotate wantonly, the clamping is reliable, machining precision advantage such as high.
The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:
piston pin hole adds angular adjustment anchor clamps deeply, including the swivel block seat, be equipped with servo cavity rotary platform on the swivel block seat, be equipped with the cylinder mounting panel on the servo cavity rotary platform, be equipped with pneumatic finger cylinder on the cylinder mounting panel, pneumatic finger cylinder middle part is equipped with positioning mechanism, be equipped with on the clamping jaw of pneumatic finger cylinder and press from both sides tight piece, positioning mechanism includes the bottom plate, be equipped with the tip limiting plate on the bottom plate, be equipped with the locating plate on the tip limiting plate, the locating plate center is equipped with dodges the through-hole, both sides are equipped with the locating piece respectively about the locating plate, the locating piece front end is equipped with the circular arc recess, the circular arc recess with dodge the concentric setting of through-hole.
The end limiting plate is round, and the bottom plate is rectangular.
The bottom plate, the end limiting plate, the positioning plate and the positioning block are integrally processed and formed.
The servo hollow rotary platform comprises a platform base, wherein a rotary table is arranged on the platform base in a rotating mode through a crossed roller bearing, a bevel gear disc is arranged at the lower end of the rotary table, the air cylinder mounting plate is arranged at the upper end of the rotary table, a speed reducer is arranged on the platform base, the speed reducer is connected with a bevel gear meshed with the bevel gear disc, and a servo motor is arranged on the speed reducer.
The utility model adopts the above structure, following beneficial effect can be brought:
the structure of the piston is fully utilized, the positioning mechanism matched with the piston is designed to position the piston, then the pneumatic finger cylinder is designed to be matched with the positioning mechanism to position and clamp the piston, finally the servo hollow rotary platform is designed to rotate the piston at any angle, the piston pin hole is vertically arranged when the pin hole is drilled and milled, the pin hole is inclined at a certain angle through rotation when the slotting on the pin hole is drilled and milled, and then the slotting at the drilling and milling part is drilled.
Description of the drawings:
fig. 1 is a schematic structural view of the angle adjusting jig of the present invention;
fig. 2 is a schematic structural view of another view angle of the angle adjusting fixture of the present invention;
FIG. 3 is a schematic structural view of the positioning mechanism of the present invention;
fig. 4 is a schematic structural view of the servo hollow rotary platform of the present invention;
FIG. 5 is a schematic structural view of the angle adjusting fixture of the present invention installed on a drilling and milling machine;
FIG. 6 is a schematic view of the piston;
FIG. 7 is a schematic structural view of a slot designed in a piston pin bore;
in the figure, 1, a rotating base, 2, a servo hollow rotating platform, 201, a platform base, 202, a rotating platform, 203, a speed reducer, 204, a servo motor, 3, a cylinder mounting plate, 4, a pneumatic finger cylinder, 5, a positioning mechanism, 501, a bottom plate, 502, an end positioning plate, 503, a positioning plate, 504, an avoidance through hole, 505, a positioning block, 506, a cylindrical bulge, 6, a clamping block, 7, a piston, 8, a pin hole, 9, a slot, 10, a cylindrical bulge, 11 and a drilling and milling machine tool.
The specific implementation mode is as follows:
in order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
Furthermore, the terms "upper end", "lower end", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the location of the indicated technical feature.
In the present invention, unless otherwise expressly stated or limited, the terms "provided", "disposed", "connected", and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1-4, piston pin hole adds angle adjustment anchor clamps deeply, including swivel base 1, be equipped with servo cavity rotary platform 2 on the swivel base 1, be equipped with cylinder mounting panel 3 on the servo cavity rotary platform 2, be equipped with pneumatic finger cylinder 4 on the cylinder mounting panel 3, pneumatic finger cylinder 4 middle part is equipped with positioning mechanism 5, be equipped with on pneumatic finger cylinder 5's the clamping jaw and press from both sides tight piece 6, positioning mechanism 5 includes bottom plate 501, be equipped with tip limiting plate 502 on the bottom plate 501, be equipped with locating plate 503 on the tip limiting plate 502, the locating plate 503 center is equipped with dodges through-hole 504, locating piece 505 is equipped with respectively to both sides about locating plate 503, the locating piece 505 front end is equipped with circular arc recess 506, circular arc recess 506 sets up with dodging through-hole 504 concentrically. The self structural characteristics of the piston 7 are fully utilized, the positioning mechanism 5 matched with the piston 7 is designed to position the piston 7, then the pneumatic finger cylinder 4 is designed to be matched with the positioning mechanism 5 to position and clamp the piston 7, finally the servo hollow rotating platform 2 is designed to rotate the piston 7 at any angle, the pin hole is vertically arranged when the pin hole 8 is drilled and milled, the pin hole 8 is inclined at a certain angle through rotation when the slotting 9 on the pin hole 8 is drilled and milled, and then the slotting 9 at the drilling and milling position is drilled and milled.
The end limiting plate 502 is arranged in a circular shape, and the bottom plate 501 is arranged in a rectangular shape.
The bottom plate 501, the end limiting plate 502, the positioning plate 503 and the positioning block 505 are integrally formed. The overall structure is high in strength and more durable.
Servo cavity rotary platform 2 includes platform base 201, it is equipped with revolving stage 202 to rotate through cross roller bearing on the platform base 201, revolving stage 202 lower extreme is equipped with helical gear dish, revolving stage 202 upper end is equipped with cylinder mounting panel 3, be equipped with speed reducer 203 on the platform base 201, speed reducer 203 is connected with the helical gear with helical gear dish meshing, be equipped with servo motor 204 on the speed reducer 203. 2 theory of operation of cavity rotary platform belongs to prior art, and servo cavity rotary platform 2 is adopted according to self design demand to this application, and direct customization or purchase during in-service use can.
The application of angular adjustment anchor clamps instructions:
as shown in fig. 5, in actual use, a plurality of fixtures of the present application need to be installed on an existing drilling and milling machine tool 11, and during installation, the rotation center of the servo hollow rotating platform 2 is required to be horizontally arranged, and the avoidance through hole 504 in the initial position positioning mechanism 5 is vertically arranged. When the piston 7 is installed on the fixture, firstly, the pin hole 8 of the piston 7 faces upwards, then the piston 7 is inserted into the positioning plate 503 and pushed inwards, accurate positioning is performed (vertical installation of the pin hole in an initial state is ensured) through matching of the circular arc groove 506 on the positioning block 505 and the cylindrical protrusion 10 on the piston 7 and matching of the positioning plate 503 and the inner hole of the piston 7, end limiting is performed on the piston 7 through the end limiting plate 502, and then the pneumatic finger cylinder 4 is started to clamp the positioned piston 7. When the pin hole 8 needs to be drilled and milled, the servo hollow rotating platform 2 rotates the piston 7 by 0 degree and 180 degrees, and when the slot 9 needs to be machined, the pin hole 8 needs to be inclined by a certain angle (the rotating angle is required according to design, for example, 3.3 degrees) and then the slot 9 is drilled and milled.
The above-mentioned embodiment can not be regarded as right the utility model discloses the restriction of scope, to the technical person in this technical field, it is right the utility model discloses any alternative improvement or transform that the embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (4)
1. Piston pin hole adds angular adjustment anchor clamps deeply, its characterized in that, including the swivel block seat, be equipped with servo cavity rotary platform on the swivel block seat, be equipped with the cylinder mounting panel on the servo cavity rotary platform, be equipped with pneumatic finger cylinder on the cylinder mounting panel, pneumatic finger cylinder middle part is equipped with positioning mechanism, be equipped with tight piece of clamp on pneumatic finger cylinder's the clamping jaw, positioning mechanism includes the bottom plate, be equipped with the tip limiting plate on the bottom plate, be equipped with the locating plate on the tip limiting plate, the locating plate center is equipped with dodges the through-hole, both sides are equipped with the locating piece respectively about the locating plate, the locating piece front end is equipped with the circular arc recess, the circular arc recess sets up with dodging the through-hole is concentric.
2. The piston pin hole depth angle adjustment jig of claim 1, wherein the end restriction plate is provided in a circular shape and the bottom plate is provided in a rectangular shape.
3. The piston pin hole depth angle adjustment jig of claim 2, wherein the bottom plate, the end portion restriction plate, the positioning plate, and the positioning block are integrally formed.
4. The piston pin hole deepening angle adjusting fixture according to claim 3, characterized in that the servo hollow rotating platform comprises a platform base, a rotating platform is rotatably arranged on the platform base through a crossed roller bearing, a helical gear plate is arranged at the lower end of the rotating platform, the cylinder mounting plate is arranged at the upper end of the rotating platform, a speed reducer is arranged on the platform base, the speed reducer is connected with a helical gear meshed with the helical gear plate, and a servo motor is arranged on the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222928717.5U CN218800693U (en) | 2022-11-01 | 2022-11-01 | Piston pin hole depth angle adjusting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222928717.5U CN218800693U (en) | 2022-11-01 | 2022-11-01 | Piston pin hole depth angle adjusting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218800693U true CN218800693U (en) | 2023-04-07 |
Family
ID=87257462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222928717.5U Active CN218800693U (en) | 2022-11-01 | 2022-11-01 | Piston pin hole depth angle adjusting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218800693U (en) |
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2022
- 2022-11-01 CN CN202222928717.5U patent/CN218800693U/en active Active
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