CN209477437U

CN209477437U - A kind of deburrer of oil injector seat phase perforation

Info

Publication number: CN209477437U
Application number: CN201822207138.5U
Authority: CN
Inventors: 徐丽娟; 姜永瑞; 杨艳红
Original assignee: Jilin Boren Science And Technology Co Ltd
Current assignee: Jilin Boren Science And Technology Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-10-11
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a kind of deburrers of oil injector seat phase perforation, including knife handle and bulb rose reamer, knife handle is cylindrical, bulb rose reamer includes the knife head ball of two panels halfround bar slice shape, the thickness of two panels knife head ball is gradually reduced from the inside to the outside on radially of the axis of rotation, two side knife surfaces of main cutting edge are respectively formed relief angle and anterior angle, two anterior angles are straight line and line passes through axis of rotation, two relief angles axisymmetricly arrange in camber line and that about rotary shaft, the integrated intersection along each anterior angle and another knife head ball offers a chip pocket respectively.The utility model, it is simple and practical in structure, it is low in cost, can complete " spindle " shape of time processing mutually pass through contour line, avoid mismachining tolerance caused by resetting, product burr state before capable of making not being ECM reaches requirement, to guarantee the consistency of product size after ECM, product qualification rate is substantially improved.

Description

A kind of deburrer of oil injector seat phase perforation

Technical field

The utility model relates to the processing of oil injector seat phase perforation, and in particular to a kind of deburring of oil injector seat phase perforation Cutter.

Background technique

Oil injector seat is an oil spout part in vehicle fuel conveying stocking system, annual in automobile production industry Yield it is very big.

The production stage of oil injector seat is as follows at present: 1) Che Yiduan；2) the vehicle other end；3) 3.9 holes are bored；4) milling arc surface bores Hole；5) ultrasonic cleaning；6) ECM deburring；7) ultrasonic cleaning；8) it packs.Wherein the bottleneck of ECM debarring process is, It is limited by machined material and processing technology, causes oil injector seat and the burr of fuel injector junction that cannot effectively be gone by ECM It removes, main cause is that remaining burr is not of uniform size on the point for go at step 4 flash removed, directly results in ECM removal The effect disunity of burr,

If cannot adequately guarantee the burr remaining balance at phase perforation in process, rear ECM processing will be allowed to Process becomes and its unstable, cannot control product quality well.

Make a concrete analysis of in view of the above problems, if wanting to reach point-to-point deburring treatment effect, it is necessary to have 2 it is prerequisite Condition: 1, in order to avoid mismachining tolerance caused by resetting, cutter must have complete " spindle " shape of simultaneous processing and mutually pass through wheel The condition of profile；2, lathe must be provided simultaneously with the function of three-shaft linkage.Since existing lathe itself all has three-shaft linkage Basic function, then one is exactly the key for solving the problems, such as this cutter with more free angles.

In conclusion needing a kind of cutter for enough reaching point-to-point burr processing at present, make not make the fuel injector before ECM Burr state reaches consistent at seat phase perforation.

Utility model content

Technical problem to be solved in the utility model is that the burr removal effect of existing oil injector seat phase perforation is poor, The problem of influencing product quality.

In order to solve the above-mentioned technical problem, technical solution used by the utility model is to provide a kind of oil injector seat and mutually passes through The deburrer in hole, including knife handle and bulb rose reamer, the bulb rose reamer are integrally connected to one end of the knife handle, institute State that knife handle is cylindrical, the bulb rose reamer includes the knife head ball of two panels halfround bar slice shape, knife head ball described in two panels about The rotary shaft of the knife handle axisymmetricly arranges that knife head ball described in two panels on the vertical section of the knife handle mutually dock by one And be arranged in a circular formation, the thickness of knife head ball described in two panels is gradually reduced from the inside to the outside on radially of the axis of rotation, and at two The main cutting edge of semicircular arc is respectively formed at the maximum outer circle of the knife head ball, on radially of the axis of rotation, the master is cut Two side knife surfaces for cutting sword are respectively formed relief angle and anterior angle, and on radially of the axis of rotation, and two anterior angles are straight line and company Line passes through axis of rotation, and two relief angles are axisymmetricly arranged in camber line and about rotary shaft, along each knife head ball The anterior angle and the integrated intersection of another knife head ball offer a chip pocket respectively, the chip pocket one It extends on the knife handle, the chip pocket is vertical with the anterior angle.

In the above scheme, the main cutting edge by the knife handle to the knife head ball be respectively rear end cutting edge, Middle part cutting edge and front end cutting edge.

In the above scheme, the width of the chip pocket is gradually reduced by the knife head ball to the knife handle.

In the above scheme, on radially of the axis of rotation, the curvature of two relief angles is less than where the knife head ball Round curvature.

In the above scheme, intersecting lens of the chip pocket on the knife handle is arc.

The utility model, it is simple and practical in structure, it is low in cost, can complete " spindle " shape of time processing mutually pass through contour line, keep away Mismachining tolerance caused by resetting is exempted from, the product burr state before capable of making not being ECM reaches requirement, to guarantee The consistency of product size, is substantially improved product qualification rate after ECM.

Detailed description of the invention

Fig. 1 is the shape schematic perspective view of the utility model；

Fig. 2 is the positive structure schematic of the utility model；

Fig. 3 is the right side structure schematic diagram of Fig. 2；

Fig. 4 is the top view of Fig. 3；

Fig. 5 is the use state diagram of the utility model.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings of the specification.

The utility model discloses a kind of deburrer of oil injector seat phase perforation, those skilled in the art can be used for reference Present disclosure is suitably modified realization of process parameters.It is important to note that all similar substitutions and modifications are to this field skill It is it will be apparent that they are considered as being included in the utility model for art personnel, and related personnel can obviously not take off From being modified on the basis of the content of the present invention, spirit and scope to content described herein or appropriate changes and combinations, come Implementation and application the utility model technology.

In utility model, unless otherwise stated, Science and Technology noun used herein has this field skill The normally understood meaning of art personnel institute.

As shown in Figures 1 to 5, the deburrer of a kind of oil injector seat phase perforation provided by the utility model, including knife Handle 1 and bulb rose reamer, bulb rose reamer are integrally connected to one end of knife handle 1, and knife handle 1 is cylindrical, and bulb rose reamer includes The knife head ball 6 of two panels halfround bar slice shape, two panels knife head ball 6 axisymmetricly arrange about the rotary shaft of knife handle 1, two panels spherical shape knife First 6 mutually integrally dock and are arranged in a circular formation on the vertical section of knife handle 1,

The thickness of two panels knife head ball 6 is gradually reduced from the inside to the outside on radially of the axis of rotation, and in two knife head balls 6 The main cutting edge 2 of semicircular arc is respectively formed at the maximum outer circle at place, main cutting edge 2 is respectively by knife handle 1 to knife head ball 6 Rear end cutting edge 7, middle part cutting edge 8 and front end cutting edge 9, in corresponding diagram 5, the region a of intersection in part model 10 For cutter rear end working position, the chamfer dimesion region 0.02-0.1, b is working position in the middle part of cutter, and chamfer dimesion is The region 0.02-0.1, c is cutter front end portion working position, chamfer dimesion 0.02-0.1, rear end cutting edge 7, middle part cutting Sword 8 and front end cutting edge 9 are respectively used to the burr of the intersection at machining different location, make the burr at phase perforation both ends It perfect can remove, point (cutter) can be reached to point (product) burr processing requirement.

On radially of the axis of rotation, two side knife surfaces of main cutting edge 2 are respectively formed relief angle 3 and anterior angle 4, and in rotary shaft Radially, two anterior angles 4 are straight line and line passes through axis of rotation, and two relief angles 3 are in axis pair in camber line and about rotary shaft Claim arrangement, the design of this multi-angle cutting edge can effectively remove the burr remaining balance at phase perforation, the ECM processing after being allowed to Process becomes more stable, and controls product quality well.

A chip pocket 5, chip pocket 5 are offered respectively along each anterior angle 4 and the integrated intersection of another knife head ball 6 It integrally extending on knife handle 1, chip pocket 5 is vertical with anterior angle 4, and the width of chip pocket 5 is gradually reduced by knife head ball 6 to knife handle 1, Clast water conservancy diversion can be discharged in this way, prevent clast from remaining.

On radially of the axis of rotation, the curvature of two relief angles 3 is less than the curvature of circle where knife head ball 6, in this way in knife handle 1 When rotation, make that there is different cutting angles between relief angle 3 and anterior angle 4, it is easier to remove the burr on each position of intersection.

Intersecting lens of the chip pocket 5 on knife handle 1 is arc, is convenient for streamlined discharge, to reduce clast to deburring The influence of process.

The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under the enlightenment of the utility model The structure change made, it is all that there is same or similar technical solution with the utility model, each fall within the guarantor of the utility model Within the scope of shield.

Claims

1. a kind of deburrer of oil injector seat phase perforation, which is characterized in that including knife handle and bulb rose reamer, the bulb Rose reamer is integrally connected to one end of the knife handle, and the knife handle is cylindrical, and the bulb rose reamer includes two panels halfround bar slice The knife head ball of shape, knife head ball described in two panels axisymmetricly arrange about the rotary shaft of the knife handle, spherical shape knife described in two panels Head is mutually integrally docked and is arranged in a circular formation on the vertical section of the knife handle, and the thickness of knife head ball described in two panels is in rotary shaft Be radially gradually reduced from the inside to the outside, and the master of semicircular arc is respectively formed at the maximum outer circle of two knife head balls Cutting edge, on radially of the axis of rotation, two side knife surfaces of the main cutting edge are respectively formed relief angle and anterior angle, and in rotary shaft Radially, two anterior angles are straight line and line passes through axis of rotation, and two relief angles are in camber line and about rotary shaft It axisymmetricly arranges, distinguishes along the anterior angle of each knife head ball and the integrated intersection of another knife head ball A chip pocket is offered, the chip pocket integrally extends on the knife handle, and the chip pocket is vertical with the anterior angle.

2. the deburrer of oil injector seat phase perforation as described in claim 1, which is characterized in that the main cutting edge is by institute Stating knife handle to the knife head ball is respectively rear end cutting edge, middle part cutting edge and front end cutting edge.

3. the deburrer of oil injector seat phase perforation as described in claim 1, which is characterized in that the width of the chip pocket It is gradually reduced by the knife head ball to the knife handle.

4. the deburrer of oil injector seat phase perforation as described in claim 1, which is characterized in that radially of the axis of rotation On, the curvature of two relief angles is less than the curvature of circle where the knife head ball.

5. the deburrer of oil injector seat phase perforation as described in claim 1, which is characterized in that the chip pocket is described Intersecting lens on knife handle is arc.