Transverse oil hole structure for piston pin machining

Abstract

The utility model relates to the technical field of machining, and discloses a piston pin machining transverse oil hole structure which comprises a machine tool platform, the top of the machine tool platform is connected with a bottom plate in a sliding mode, the top of the bottom plate is provided with a piston pin, a positioning plate is arranged outside the piston pin, a double-end stud is arranged inside the piston pin, and the double-end stud is connected with the bottom plate in a sliding mode. The two ends of the double-end stud are in threaded connection with a hexagon nut and a round nut, the outer portion of the hexagon nut abuts against the outer portion of the positioning plate, the top of the bottom plate is fixedly connected with an adjusting pressing plate, the inner portion of the adjusting pressing plate is in threaded connection with an adjusting bolt, and the top of the adjusting pressing plate is in threaded connection with a fourth hexagon socket cap screw. The processing structure for the transverse oil hole of the piston pin has obvious advantages. The operation process is simple and convenient, an operator can easily master the structure, the structure is excellent in improving the machining efficiency, compared with a traditional method, time can be greatly shortened, more tasks can be completed within the same time, and precision is not damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially relates to a piston pin processing transverse oil hole structure. BACKGROUND

[0002] The various components of the internal combustion engine piston are the core components of the engine, the piston pin reciprocating motion process, transmission bearing gravity component, processing quality will influence the service life and safety of the engine. Therefore, the processing size and form tolerance must be strictly controlled during the piston pin processing.

[0003] The traditional processing method cannot guarantee the position requirement of the transverse oil hole and the longitudinal hole when using the index plate device, which leads to poor lubrication during transmission, larger friction, explosion of the cylinder during piston operation and unpredictable loss, and it is difficult to guarantee the form and position tolerance related to the oil hole and the outer circle. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a piston pin processing transverse oil hole structure, which aims at improving the problem that the transverse oil hole and the longitudinal hole cannot guarantee the position requirement when using the index plate device in the prior art, which leads to poor lubrication during transmission, larger friction, explosion of the cylinder during piston operation and unpredictable loss.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a piston pin processing transverse oil hole structure, including machine tool platform, the top of machine tool platform is connected with the bottom plate slidingly, the top of bottom plate is provided with piston pin, the outside of piston pin is provided with positioning plate, the inside of piston pin is provided with double head stud, the both ends of double head stud are connected with hexagon nut and round nut in screw thread, the outside of hexagon nut is in abutment with the outside of positioning plate.

[0006] Further, the top of the bottom plate is fixedly connected with an adjusting pressure plate, the inside of the adjusting pressure plate is threadedly connected with an adjusting bolt, and the top of the adjusting pressure plate is threadedly connected with four No. 4 inner hexagonal head screws.

[0007] Further, the inside of the bottom plate is provided with No. 2 inner hexagonal head screw and T-shaped groove nut.

[0008] Further, the top of the bottom plate is provided with a positioning block, and the inside of the positioning block is threadedly connected with No. 1 inner hexagonal head screw.

[0009] Further, the outside of the piston pin is provided with a pressure plate, and the inside of the pressure plate is provided with No. 3 inner hexagonal head screw.

[0010] Further, the No. 2 inner hexagonal head screw is threadedly connected in the inside of the T-shaped groove nut.

[0011] The utility model has the advantages of the following:

[0012] 1. The piston pin transverse oil hole machining structure has the following advantages: simple operation process, easy to operate, unique tooling design for indexing function, no need for complex external auxiliary equipment and frequent adjustment of machine tool parameters during oil hole machining, mechanical structure cooperation to ensure indexing accuracy, high repeat positioning accuracy, improved workpiece machining precision, and compliance with high standard requirements for key indicators.

[0013] 2. The structure has excellent performance in improving machining efficiency, can greatly shorten the time compared with traditional methods, can complete more tasks in the same time without affecting the accuracy, and can ensure product machining quality, reduce the rate of defective products, and reduce costs in large-scale production, thereby increasing the benefits of enterprises, improving competitiveness, and promoting the improvement of manufacturing level in the industry. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Part of the structure of the piston pin machining transverse oil hole structure is shown in the utility model;

[0015] Figure 2 Part of the structure of the piston pin machining transverse oil hole structure is shown in the utility model;

[0016] Figure 3 The utility model provides a kind of piston pin machining transverse oil hole structure's plan view;

[0017] Figure 4 The utility model provides a kind of piston pin machining transverse oil hole structure's side view.

[0018] Legend:

[0019] 1, base plate;2, positioning plate;3, round nut;4, double head stud;5, hexagonal nut;6, inner hexagonal cylindrical head screw one;7, positioning block;8, T-shaped slot nut;9, inner hexagonal cylindrical head screw two;10, pressing plate;11, inner hexagonal cylindrical head screw three;12, adjusting pressing plate;13, inner hexagonal cylindrical head screw four;14, adjusting bolt;15, machine tool platform;16, piston pin. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Referring to Figures 1-4 The utility model provides an embodiment: a piston pin processing transverse oil hole structure, including lathe platform 15, the top of lathe platform 15 is slidably connected with bottom plate 1, the top of bottom plate 1 is provided with piston pin 16, the outside of piston pin 16 is provided with locating plate 2, the inside of piston pin 16 is provided with stud 4, and the both ends of stud 4 are threadedly connected with hexagon nut 5 and round nut 3, the outside of hexagon nut 5 abuts with the outside of locating plate 2, the top of bottom plate 1 is fixedly connected with adjusting pressure plate 12, the inside of adjusting pressure plate 12 is threadedly connected with adjusting bolt 14, the top of adjusting pressure plate 12 is all threadedly connected with internal hexagonal head screw four 13, the inside of bottom plate 1 is all provided with internal hexagonal head screw two 9 and T-shaped groove nut 8, the top of bottom plate 1 is provided with locating block 7, the inside of locating block 7 is all threadedly connected with internal hexagonal head screw one 6, the outside of piston pin 16 is provided with pressure plate 10, the inside of pressure plate 10 is all provided with internal hexagonal head screw three 11, and internal hexagonal head screw two 9 is threadedly connected in the inside of T-shaped groove nut 8.

[0022] Bottom plate 1 is fixed to lathe platform 15, round nut 3 is connected with stud 4, and then passes through the center hole of piston pin 16, the center hole of locating plate 2 also passes into stud 4 and installs hexagon nut 5, after the three are fixed to stud 4, are placed in the V-shaped iron of bottom plate 1, one end of round nut 3 enters one side of locating block 7, the end face of workpiece is close to locating block 7, the ear of locating plate 2 is placed in the positioning groove of bottom plate 1, adjusting bolt 14 is tightly pressed to workpiece, the ear of locating disc is indexed, the shape and position tolerance between piston pin 16 and each row of holes are ensured, four rows of transverse oil holes at four ears of outer circle are processed, when implementing, first, bottom plate 1 is fixed on lathe platform 15, installs pressure plate 10 and internal hexagonal head screw three 11, and starts lathe processing.After completing the processing of one row of oil holes, rotates locating plate 2 to change the ear and processes another row in the positioning groove, and the cycle is repeated until the processing of all oil holes is completed.

[0023] Working principle: when using the device, bottom plate 1 is firmly fixed on lathe platform 15, round nut 3 is connected with stud 4, and then passes through the center hole of piston pin 16. At the same time, the center hole of the other end locating plate 2 also passes into stud 4, and then installs hexagon nut 5, in this way, round nut 3, piston pin 16 and locating plate 2 are firmly fixed on stud 4. Then, it is placed on the V-shaped iron of bottom plate 1, so that one end of round nut 3 is embedded in one side of locating block 7, and the end face of workpiece is tightly close to locating block 7. The ears around locating plate 2 are respectively placed in the positioning groove of bottom plate 1, and the workpiece is tightly pressed by adjusting bolt 14, so that the end face of piston pin 16 is tightly close to locating block 7, so as to carry out the processing operation of four rows of transverse oil holes at four ears of outer circle. In this process, the four ears of the locating disc are indexed to ensure good shape and position tolerance between each row of holes and piston pin 16.

[0024] In the specific implementation, first, the bottom plate 1 is stably fixed on the machine tool platform 15, the pressing plate 10 and the hexagonal cylindrical head screw three 11 are installed, and then the machine tool is started to formally open the machining process. When the machining of one row of oil holes is completed, the positioning plate 2 is rotated, the other ear is placed in the positioning groove of the bottom plate 1, and then another row of oil holes is machined, and the cycle is repeated until the machining task of all oil holes is completed.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A piston pin machining transverse oil hole structure comprising a machine tool platform (15), characterized by: The top of the machine tool platform (15) is slidably connected with a bottom plate (1), the top of the bottom plate (1) is provided with a piston pin (16), the outside of the piston pin (16) is provided with a positioning plate (2), the inside of the piston pin (16) is provided with a double-headed stud (4), the two ends of the double-headed stud (4) are threadedly connected with a hexagon nut (5) and a round nut (3), and the outside of the hexagon nut (5) abuts against the outside of the positioning plate (2).

2. A piston pin machining lateral oil hole structure according to claim 1, characterized in that: The top of the bottom plate (1) is fixedly connected with an adjusting pressure plate (12), the inside of the adjusting pressure plate (12) is threadedly connected with an adjusting bolt (14), and the top of the adjusting pressure plate (12) is threadedly connected with four internal hexagonal cylinder head screws (13).

3. A piston pin machining lateral oil hole structure according to claim 1, characterized in that: The inside of the bottom plate (1) is provided with two internal hexagonal cylinder head screws (9) and T-shaped groove nuts (8).

4. The structure for machining a transverse oil hole of a piston pin according to claim 1, wherein: The top of the bottom plate (1) is provided with positioning blocks (7), and the inside of the positioning blocks (7) is threadedly connected with one internal hexagonal cylinder head screw (6).

5. A piston pin machining lateral oil hole structure according to claim 1, characterized in that: The outside of the piston pin (16) is provided with a pressure plate (10), and the inside of the pressure plate (10) is provided with three internal hexagonal cylinder head screws (11).

6. A piston pin machining lateral oil hole structure according to claim 3, characterized in that: The internal hexagonal cylinder head screw (9) is threadedly connected in the inside of the T-shaped groove nut (8).

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