CN108480931B

CN108480931B - Processing technology for spline seat of motorcycle starting rod

Info

Publication number: CN108480931B
Application number: CN201810326550.0A
Authority: CN
Inventors: 易祥斌
Original assignee: Individual
Current assignee: Chongqing Feige Machinery Manufacturing Co ltd
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2020-04-14
Anticipated expiration: 2038-04-12
Also published as: CN108480931A

Abstract

The invention relates to a process for machining a motorcycle starter spline seat, which includes the following steps: step S1: roughing the tail rod; step S2: finishing the outer circle, cutting the positioning groove and chamfering the end face; step S3: respectively roughing Milling and finishing milling the starting angle surface and the static height surface; Step S4: Rough milling the side of the head; Step S5: Drill the center positioning hole and seat hole of the spline hole; Step S6: Drill threaded holes and screw holes; Step S7: Step S8: Drill two nests of sub-holes; Step S9: Mill the locking groove with a milling machine; Step S10: Tap the threaded hole; Step S11: Grind the oxidation on the surface of the workpiece step S12: deburring; step S13: high frequency quenching; step S4: rough polishing; step S15: chrome plating; step S16: cleaning threaded holes; That's it. The motorcycle starter lever spline seat obtained by this process has a beautiful appearance, precise coordination and durability, and has entered the list of high-end products.

Description

Processing technology for spline seat of motorcycle starting rod

Technical Field

The invention relates to the field of motorcycle accessory processing, in particular to a processing technology of a spline seat of a motorcycle starting rod.

Background

At present, the traditional processing technology of the spline seat of the motorcycle starting rod comprises the following steps:

(1) a tail rod 1, an outer circle 2, a cutting positioning groove 3 and an opposite end surface 4 are chamfered;

(2) milling a starting angle surface 5 and a static angle surface 6;

(3) milling the side surface 7 of the head part;

(4) reaming a shuttlecock hole 8;

(5) the angle of one side of the inverted spline hole 8;

(6) drilling a threaded hole 9;

(7) drilling two threaded holes 9;

(8) pushing the shuttlecock teeth;

(9) and (6) tapping.

The motorcycle starting rod spline seat finally processed by the process has the defects of poor appearance, insufficient matching precision, short service life and the like.

Disclosure of Invention

In summary, in order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing a process for machining a spline seat of a motorcycle starting rod.

The technical scheme for solving the technical problems is as follows: a processing technology for a spline seat of a motorcycle starting rod comprises the following steps:

step S1: roughly turning the tail rod by a numerically controlled lathe at one time;

step S2: circularly and finely turning the excircle by using a numerical control lathe, cutting a positioning groove and chamfering the end face;

step S3: roughly milling a starting angle surface and a static height surface by using a milling machine, turning a workpiece into a pneumatic clamp of the milling machine, and finely milling the starting angle surface and the static height surface;

step S4: turning the workpiece into a pneumatic clamp of a milling machine, and circularly roughly milling the side face of the head part;

step S5: drilling a central positioning hole of the spline hole by using a drilling machine, and drilling a seat hole of the spline hole;

step S6: drilling a threaded hole and a threaded rod through hole for the second time by using a drilling machine;

step S7: inserting the embossed keyhole by an automatic pushing machine with variable diameter twice, and pushing the embossed keyhole by a special cutter twice;

step S8: fixing a workpiece on an automatic indexable clamp, enabling the workpiece to be static, starting to drill two nest holes in a standardized manner, and accurately controlling an included angle between the two nest holes;

step S9: milling a locking groove by using a milling machine;

step S10: tapping the threaded hole by using a tapping machine;

step S11: polishing oxide skin on the surface of the workpiece by using an abrasive belt machine;

step S12: removing rough marks on the surface of the workpiece and burrs left by rough machining;

step S13: carrying out high-frequency quenching on the starting angle surface and the static height surface;

step S4: roughly polishing the surface of the workpiece by using a coarse and fine polishing material;

step S15: plating chromium on the surface of the workpiece;

step S16: cleaning the threaded hole;

step S17: and cleaning, coating anti-rust oil, inspecting and classifying the workpiece in sequence.

The invention has the beneficial effects that: the obtained spline seat of the motorcycle starting rod has beautiful appearance, accurate matching and durability, and can be used as a high-end product.

On the basis of the technical scheme, the invention can be further improved as follows:

further, in step 12, rough marks on the surface of the workpiece and burrs left by rough machining are removed by using a vibration belt.

Further, in step S16, the screw hole is cleaned with a standard tap.

Drawings

FIG. 1 is a three-dimensional view of a spline housing;

FIG. 2 is a partial cross-sectional view of the spline housing.

In the drawings, the components represented by the respective reference numerals are listed below:

1. tail-rod, 2, excircle, 3, constant head tank, 4, terminal surface, 5, start angle face, 6, static angle face, 7, head side, 8, splined hole, 9, screw hole, 10, screw rod via hole, 11, nest sub-hole, 12, locking groove.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, a process for machining a spline seat of a motorcycle starting rod comprises the following steps:

step S1: roughly turning the tail rod 1 at one time by using a numerical control lathe;

step S2: circularly finish-turning the outer circle 2 by using a numerical control lathe, cutting a positioning groove 3 and chamfering the end face 4;

step S3: roughly milling a starting angle surface 5 and a static height surface 6 by using a milling machine, turning the workpiece into a pneumatic fixture of the milling machine, and finely milling the starting angle surface 5 and the static height surface 6;

step S4: turning the workpiece into a pneumatic clamp of a milling machine, and circularly roughly milling the side face 7 of the head part;

step S5: drilling a central positioning hole of the spline hole 8 by using a drilling machine, and drilling a seat hole of the spline hole 8;

step S6: drilling a threaded hole 9 and a threaded rod through hole 10 for the second time by using a drilling machine;

step S7: the spline holes 8 are inserted and pressed by an automatic pushing machine with variable diameter twice, and then the spline teeth are pushed and extruded by a special cutter twice;

step S8: fixing a workpiece on an automatic indexable clamp, enabling the workpiece to be static, starting a standard drill for two nest holes 11, and accurately controlling an included angle between the two nest holes 11;

step S9: milling the locking groove 12 by using a milling machine;

step S10: tapping the threaded hole 9 by using a tapping machine;

step S12: removing rough marks on the surface of the workpiece and burrs left by rough machining by using a vibration belt;

step S15: plating chromium on the surface of the workpiece;

step S16: cleaning the threaded hole 9 by using a standard screw tap;

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. a processing technique of a motorcycle start rod spline seat, is characterized in that, comprises the following steps:

Step S1: Roughly turn the tail rod (1) with a CNC lathe at one time;

Step S2: cyclically fine-turning the outer circle (2) with a numerically controlled lathe, cutting the positioning groove (3) and chamfering the end face (4);

Step S3: rough milling the starting angle surface (5) and the static height surface (6) with a milling machine, turn the workpiece into the pneumatic fixture of the milling machine, and finish milling the starting angle surface (5) and the static height surface (6);

Step S4: turn the workpiece into the pneumatic fixture of the milling machine, and cycle rough milling of the side surface of the head (7);

Step S5: drilling the center positioning hole of the spline hole (8) with a drilling machine, and drilling the seat hole of the spline hole (8);

Step S6: use a drilling machine to drill the threaded hole (9) and the screw hole (10) in two steps;

Step S7: inserting the spline hole (8) into the spline hole (8) with two variable diameters with an automatic push machine, and then extruding the spline teeth twice with a special tool;

Step S8: Fixing the workpiece on the automatic indexable fixture to make the workpiece stationary, starting the standardized drilling of two nests of sub-holes (11), and accurately controlling the included angle between the two nests of sub-holes (11);

Step S9: milling the locking groove (12) with a milling machine;

Step S10: tapping the threaded hole (9) with a tapping machine;

Step S11: use a belt sander to grind the oxide skin on the surface of the workpiece;

Step S12: remove the rough marks on the surface of the workpiece and the burrs left by rough machining;

Step S13: high-frequency quenching on the starting angle surface and the static height surface;

Step S4: rough polishing the surface of the workpiece with a coarse and fine polishing material;

Step S15: chrome plating the surface of the workpiece;

Step S16: cleaning the threaded hole (9);

Step S17: Clean the workpiece, apply anti-rust oil, inspect and classify the workpiece in sequence.

2 . The process for processing a motorcycle starter lever spline seat according to claim 1 , wherein in step 12 , a vibration belt is used to remove rough marks on the surface of the workpiece and burrs left by rough machining. 3 .

3. The process for processing a motorcycle starter lever spline seat according to claim 1, wherein in step S16, a standard tap is used to clean the threaded hole (9).