CN215279980U

CN215279980U - Piston pin inner hole chamfering device

Info

Publication number: CN215279980U
Application number: CN202121407577.6U
Authority: CN
Inventors: 袁尚明; 郑军; 谢锋
Original assignee: Xiangyang Furuite Machinery Manufacturing Co ltd
Current assignee: Xiangyang Furuite Machinery Manufacturing Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-24
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to a piston pin processing technology field, concretely relates to piston pin hole chamfer processingequipment, including the boring machine, the boring machine includes boring cutter and lathe, can dismantle on the boring cutter main shaft and be connected with the boring cutter, be fixed with the locating piece on the lathe, semicircular groove has been seted up to the locating piece upper end, the installation lid can be dismantled to the locating piece upper end, semicircular groove has been seted up to installation lid bottom, recess one and two size the same and formation mounting hole of recess, the central axis of mounting hole and the coincidence of the central axis of boring cutter, the locating piece is kept away from boring cutter one side and is provided with the mounting panel, the mounting panel is fixed on the lathe, the mounting panel is close to locating piece one side and rotates and is provided with sheave mechanism, sheave mechanism is close to locating piece one side fixedly connected with clamping mechanism, the utility model is used for piston pin hole chamfer, convenient and fast saves the processing ageing, promotes machining efficiency.

Description

Piston pin inner hole chamfering device

Technical Field

The utility model relates to a piston pin processing technology field, in particular to piston pin hole chamfer processingequipment.

Background

The wrist pin is a cylindrical pin mounted on the skirt of the piston. The middle part of the connecting rod passes through a small end hole of the connecting rod and is used for connecting the piston and the connecting rod, and the function of the connecting rod is to transmit the gas acting force borne by the piston to the connecting rod or to enable the small end of the connecting rod to drive the piston to move together. To reduce weight, piston pins are typically made of high quality alloy steel and are hollow.

In production piston pin in-process, need be at the oilhole of piston pin whole body processing lubricating oil, the oilhole has the three row, each is listed as there is three oilhole, each is listed as 120 contained angles and sets up, after the oilhole processing is accomplished, need carry out unhairing limit and chamfer processing to the oilhole, the outside chamfer of oilhole can easily be handled, however during the processing hole chamfer, because piston pin inside is narrow and distribute along piston pin wall circumference, lead to the course of working comparatively difficult, consequently need a piston pin hole chamfer processingequipment, can be very fast process the hole, promote machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solving the prior art defect, provide a piston pin hole chamfer processingequipment, it is convenient to have processing, promotes machining efficiency's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: a piston pin inner hole chamfering device comprises a boring machine, wherein the boring machine comprises a boring cutter and a machine tool, a positioning block is fixed on the machine tool, the upper end of the positioning block is provided with a semicircular groove I, the upper end of the positioning block is detachably provided with an installation cover, the bottom of the mounting cover is provided with a semicircular groove II, the size of the groove I is the same as that of the groove II, and a mounting hole is formed, the central axis of the mounting hole is coincident with the central axis of the boring cutter, one side of the positioning block, which is far away from the boring cutter, is provided with a mounting plate, the mounting plate is fixed on the machine tool, a sheave mechanism is rotatably arranged on one side of the mounting plate close to the positioning block, one side of the sheave mechanism close to the positioning block is fixedly connected with a clamping mechanism, the central axis of the clamping mechanism is superposed with the axis of the mounting hole, and a transmission assembly is arranged on one side surface of the mounting plate, which is far away from the sheave mechanism, and the transmission assembly is connected with the sheave mechanism.

By adopting the technical scheme, the piston pin is fixed in the mounting hole, the piston pin is clamped tightly by the clamping mechanism, a row of oil holes are vertically and upwards arranged, the boring cutter is controlled to process the upward row of oil holes at first, after the processing is finished, the transmission assembly is controlled to rotate the sheave mechanism, the sheave mechanism rotates to drive the clamping mechanism to rotate, the clamping mechanism drives the piston pin to rotate, after the piston pin rotates to the next row of oil holes, the boring cutter continues to process the row of oil holes until all the oil holes on the piston pin are processed, the whole process is convenient and fast, and the processing efficiency is greatly improved.

As a further setting of the utility model, geneva mechanism includes the geneva wheel, the radial groove of geneva wheel has threely, and the contained angle between the adjacent radial groove is 120 degrees, one of them is vertical upwards to be set up in radial groove, the central axis of geneva wheel is provided with dwang one, the central axis of dwang one with the central axis coincidence of mounting hole, the dwang one end is passed the geneva wheel rotates to be connected on the mounting panel, the dwang one other end with clamping mechanism fixed connection still including the locking dish, locking dish the central axis is provided with dwang two, dwang two passes the locking dish rotates to be connected on the mounting panel, dwang two passes the one end of mounting panel is connected with drive assembly.

By adopting the technical scheme, the included angle of the radial groove of the grooved wheel is 120 degrees, the included angle is matched with the arrangement of the oil holes of the piston pin, and the next row of unprocessed oil holes are rotated upwards once when the grooved wheel rotates, so that the boring cutter is convenient to process.

As a further setup of the utility model, clamping mechanism is three-jaw chuck, the dwang one keep away from the mounting panel one end with three-jaw chuck fixed connection, three-jaw chuck's the central axis with dwang one coincidence.

By adopting the technical scheme, the three-jaw chuck can fix the piston pin and rotate together with the sheave mechanism.

As a further arrangement of the utility model, the power component comprises a rotary wrench, the rotary wrench and the connection can be dismantled to the dwang two.

Through adopting above-mentioned technical scheme, rotate the convenient manual operation of spanner, after a oilhole processing is accomplished, rotate the spanner and let the locking dish rotate, the convex part that is located locking dish one side drives the sheave and rotates.

As a further arrangement of the utility model, the surfaces of the first groove and the second groove are provided with half-moon bearings.

By adopting the technical scheme, the piston pin can still rotate when being fixed in the mounting hole.

As a further setting of the utility model, the boring cutter is a spherical rotary file.

Through adopting above-mentioned technical scheme, because piston pin inside is narrow, use spherical rotatory file more convenient processing.

The utility model has the advantages that:

1. the piston pin is fixed in the mounting hole, after the cover is fixedly mounted by using a bolt, the piston pin is clamped tightly by the three-jaw chuck, a row of oil holes are vertically and upwards arranged, the boring cutter is controlled to process the upward row of oil holes at first, after the processing is finished, a worker rotates the rotating wrench to drive the geneva gear to rotate, the geneva gear rotates to drive the three-jaw chuck to rotate, because the included angle between the radial grooves of the geneva gear is 120 degrees, the included angle is matched with the distribution of the oil holes of the piston pin, one intermittent rotation of the geneva gear is 120 degrees, the piston pin is driven to rotate 120 degrees, just in time, a row of unprocessed oil holes are rotated upwards, after the next row of oil holes are rotated, the boring cutter continues to process the row of oil holes until all the oil holes on the piston pin are processed, the whole process is convenient and fast, and the processing efficiency is greatly improved.

2. The cooperation of rotation spanner and crescent moon bearing is used, makes things convenient for the piston pin when fixed, still can rotate, makes things convenient for processing.

3. The spherical rotary file is convenient to process the inside of the piston pin, and the side face is utilized to process the oil hole when the spherical rotary file rotates, so that the rotary piston pin is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic structural diagram of a three-jaw chuck of the geneva gear mechanism of the present embodiment;

FIG. 3 is a partial cut-away view of the present embodiment;

FIG. 4 is a schematic view of the structure of the fixing block and the mounting cover in the present embodiment;

in the figure, 1, a machine tool, 2, a boring cutter, 3, a positioning block, 4, an installation cover, 5, an installation hole, 6, an installation plate, 7, a geneva mechanism, 71, a geneva wheel, 72, a radial groove, 73, a first rotating rod, 74, a locking disc, 75, a rotating rod, 8, a clamping mechanism, 81, a three-jaw chuck, 9, a transmission assembly, 91, a rotating wrench, 10, a half-moon bearing, 11, a spherical rotary file, 12 and a piston pin.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

A piston pin inner hole chamfering device comprises a boring machine, wherein the boring machine comprises a boring cutter 2 and a machine tool 1, a positioning block 3 is fixed on the machine tool 1, a first semicircular groove is formed in the upper end of the positioning block 3, a mounting cover 4 is detachably arranged at the upper end of the positioning block 3, a second semicircular groove is formed in the bottom of the mounting cover 4, the first semicircular groove and the second semicircular groove are the same in size and form a mounting hole 5, the central axis of the mounting hole 5 is overlapped with the central axis of the boring cutter 2, a mounting plate 6 is arranged on one side, far away from the boring cutter 2, of the positioning block 3, the mounting plate 6 is fixed on the machine tool 1, a sheave mechanism 7 is rotatably arranged on one side, close to the positioning block 3, of the sheave mechanism 7, a clamping mechanism 8 is fixedly connected to one side, close to the positioning block 3, the central axis of the clamping mechanism 8 is overlapped with the axis of the mounting hole 5, and a transmission assembly 9 is arranged on one side surface of the mounting plate 6 far away from the sheave mechanism 7, and the transmission assembly 9 is connected with the sheave mechanism 7.

As a further setting of this embodiment, the geneva mechanism 7 includes the geneva 71, the radial groove 72 of geneva 71 has threely, and the contained angle between the adjacent radial groove 72 is 120 degrees, one of them vertical upwards setting of radial groove 72, the central axis of geneva 71 is provided with dwang one 73, the central axis of dwang one 73 with the coincidence of the central axis of mounting hole 5, dwang one 73 one end is passed the geneva 71 rotates to be connected on the mounting panel 6, the dwang one 73 other end with clamping mechanism 8 fixed connection still includes locking dish 74, locking dish 74 central axis is provided with dwang two 75, dwang two 75 passes locking dish 74 rotates to be connected on the mounting panel 6, dwang two 75 passes the one end of mounting panel 6 is connected with transmission assembly 9.

As a further configuration of this embodiment, the clamping mechanism 8 is a three-jaw chuck 81, one end of the rotating rod one 73 away from the mounting plate 6 is fixedly connected with the three-jaw chuck 81, and the central axis of the three-jaw chuck 81 coincides with the rotating rod one 73.

As a further configuration of this embodiment, the power assembly 9 includes a rotating wrench 91, and the rotating wrench 91 is detachably connected to the second rotating rod 75.

As a further provision of this embodiment, the surfaces of the first and second grooves are provided with half-moon bearings 10.

As a further arrangement of the embodiment, the boring cutter is a spherical rotary file 11.

The working principle of the embodiment is as follows:

before processing, a piston pin 12 is installed in an installation hole 5, the piston pin 12 is fixed through a bolt between an installation cover 4 and a fixed block 3, and a row of oil holes are vertically arranged upwards, so that a boring cutter 2 can conveniently process the piston pin, one end of the piston pin 12 is clamped by a three-jaw chuck 81, after the processing is finished, the boring cutter 2 is controlled to process the upward row of oil holes, after the processing is finished, a worker rotates a rotating wrench 91 to drive a geneva gear 7 to rotate, the geneva gear 7 rotates to drive the three-jaw chuck 81 to rotate, because an included angle between radial grooves 72 of a geneva 71 is 120 degrees and is matched with the distribution of the oil holes of the piston pin 12, the geneva gear intermittently rotates 120 degrees to drive the piston pin 12 to rotate 120 degrees, just in time, a row of unprocessed oil holes are rotated upwards vertically, after the rotation is finished, the boring cutter 2 is controlled to continue to process the row of oil holes until all the piston pin 12 is processed, the processing is completed, the whole process is convenient and fast, and the processing efficiency is greatly improved.

Claims

1. The utility model provides a piston pin hole chamfer processingequipment, includes the boring machine, the boring machine includes boring cutter (2) and lathe (1), its characterized in that: the machine tool is characterized in that a positioning block (3) is fixed on the machine tool (1), a first semicircular groove is formed in the upper end of the positioning block (3), a mounting cover (4) is detachably arranged at the upper end of the positioning block (3), a second semicircular groove is formed in the bottom of the mounting cover (4), the first groove and the second groove are the same in size and form a mounting hole (5), the central axis of the mounting hole (5) is superposed with the central axis of the boring cutter (2), a mounting plate (6) is arranged on one side, far away from the boring cutter (2), of the positioning block (3), the mounting plate (6) is fixed on the machine tool (1), a geneva gear mechanism (7) is rotatably arranged on one side, close to the positioning block (3), of the geneva gear (7) is fixedly connected with a clamping mechanism (8), and the central axis of the clamping mechanism (8) is superposed with the axis of the mounting hole (5), a transmission assembly (9) is arranged on one side face, far away from the sheave mechanism (7), of the mounting plate (6), and the transmission assembly (9) is connected with the sheave mechanism (7).

2. The piston pin inner hole chamfering machining device according to claim 1, wherein: the grooved pulley mechanism (7) comprises grooved pulleys (71), the number of the radial grooves (72) of each grooved pulley (71) is three, the included angle between every two adjacent radial grooves (72) is 120 degrees, one of the radial grooves (72) is vertically arranged upwards, the central axis of each grooved pulley (71) is provided with a rotating rod I (73), the central axis of each rotating rod I (73) is coincided with the central axis of the mounting hole (5), one end of each rotating rod I (73) penetrates through the grooved pulley (71) to be rotatably connected onto the mounting plate (6), the other end of each rotating rod I (73) is fixedly connected with the clamping mechanism (8), the grooved pulley mechanism further comprises a locking disc (74), a rotating rod II (75) is arranged on the central axis of the locking disc (74), and the rotating rod II (75) penetrates through the locking disc (74) to be rotatably connected onto the mounting plate (6), and the second rotating rod (75) penetrates through one end of the mounting plate (6) and is connected with a transmission assembly (9).

3. The piston pin inner hole chamfering machining device according to claim 2, wherein: clamping mechanism (8) are three-jaw chuck (81), the one end of mounting panel (6) is kept away from in dwang (73) one with three-jaw chuck (81) fixed connection, the central axis of three-jaw chuck (81) with dwang (73) coincidence.

4. The piston pin inner hole chamfering machining device according to claim 2, wherein: the transmission assembly (9) comprises a rotary wrench (91), and the rotary wrench (91) and the rotary rod II (75) can be detachably connected.

5. The piston pin inner hole chamfering machining device according to claim 1, wherein: and semilunar bearings (10) are arranged on the surfaces of the first groove and the second groove.

6. The piston pin inner hole chamfering machining device according to claim 1, wherein: the boring cutter is a spherical rotary file (11).