CN202951914U - Shell notch chamfering tool - Google Patents
Shell notch chamfering tool Download PDFInfo
- Publication number
- CN202951914U CN202951914U CN 201220629344 CN201220629344U CN202951914U CN 202951914 U CN202951914 U CN 202951914U CN 201220629344 CN201220629344 CN 201220629344 CN 201220629344 U CN201220629344 U CN 201220629344U CN 202951914 U CN202951914 U CN 202951914U
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- CN
- China
- Prior art keywords
- blade
- chamfering
- knife
- shell
- tool
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- Expired - Fee Related
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Abstract
The utility model relates to a non-standard tool, in particular to a shell notch chamfering tool used for milling of a shell of a steering gear. The shell notch chamfering tool comprises a non-standard tool holder, a pop-rivet which is arranged at one end of the non-standard tool holder, a tool gasket, a chamfering blade, a general flat key and a hexagon thin nut, wherein the tool gasket, the chamfering blade, the general flat key and the hexagon thin nut are sequentially assembled at the other end of the non-standard tool holder. The non-standard tool holder is composed of a mechanical arm clamping part, a stepped straight shank blade connecting part and a cone locating shank part, wherein the stepped straight shank blade connecting part is arranged on one side of the mechanical arm clamping part, and the cone locating shank part is arranged on the other side of the mechanical arm clamping part. The chamfering blade is a three-side-knife-edge blade, and two sides of a radial blade of the three-side-knife-edge blade are provided with chamfers of 15 degrees. The shell notch chamfering tool is simple and reasonable in structure, and convenient to use. A piston hole of the shell of a recirculating ball integral type steering gear and a sharp edge angle at the communicating position of a side cavity can be abated so as to achieve slow transition, a guiding role is provided for a piston in the mounting process of the piston, and so that the piston can be mounted inside the shell smoothly.
Description
Technical field
The utility model relates to a kind of nonstandard cutter, specifically a kind of gap of the housing for steering gear housing Milling Process chamfering tool.
Background technology
In the assembling of circulating ball Integral steering device and disassembling process, housing piston hole and side the chamber sharp corners at the place of passing through mutually chew the sealing ring on piston often, cause sealing ring to lose efficacy, and the interior leakage of assembly is increased, and affect result of use.For solving the appearance of this kind of phenomenon, the mode that adopts machining is corner angle abate herein by housing, make its slow transition, guide effect is provided while packing into for piston, piston is packed in housing smoothly, adopt nonstandard cutter to add and man-hour the corner angle at its gap position are carried out to abate processing at the housing piston hole.
Summary of the invention
The purpose of this utility model is that a kind of housing gap chamfering tool will be provided, this cutter structure advantages of simple, easy to use, circulating ball Integral steering device housing piston hole and side chamber can be passed through mutually to the sharp corners abate at place, make its slow transition, guide effect is provided while packing into for piston, piston is packed in housing smoothly.
The purpose of this utility model is achieved in that this cutter comprises nonstandard handle of a knife, is arranged on the blind rivet of nonstandard handle of a knife one end, is assemblied in successively cutter pad, chamfering blade, general flat key and the hexagon thin nut of the nonstandard handle of a knife other end.
Described nonstandard handle of a knife consists of manipulator clamping part, the circular cone location shank portion that is arranged on the ladder staight shank blade coupling part of manipulator clamping part one side and is arranged on manipulator clamping part opposite side.
Described chamfering blade is three the angle of throat sheets of radial edge both sides with 15 ° of chamferings.
The utlity model has following advantage and good effect:
1, the effect of the utility model " housing gap chamfering tool " be to housing piston hole and side chamber mutually the sharp corners at the place of passing through carry out chamfered, eliminate corner angle and make its rounding off.
2, the utility model is simple and reasonable, easy to use, circulating ball Integral steering device housing piston hole and side chamber can be passed through mutually to the sharp corners abate at place, makes its slow transition, and guide effect is provided while packing into for piston, and piston is packed in housing smoothly.
3, the utility model adopts standard φ 63X6 face and side cutter to be grinding into the private casing gap chamfering blade of two ends with 15 ° of chamferings through cutter and tool grinding machine, and this blade is arranged on Special scalpel handle.During vertical machining centre finishing pistons hole, by this chamfering, two place's gap up and down of piston hole are carried out the Milling Process of semicircle, remove wedge angle burr herein, make the corner angle of two place's gap smooth, to prevent the injury of mating plate sealing ring.
4, utilize two place's gap of the housing piston hole of this tool sharpening in-line power steering on the BT50 Spindle Machining Center, can remove the sharp corners of opening position, it is smooth to the touch.Eliminate the damage of mating plate sealing ring, improved the serviceability of steering assembly.
5, the utility model utilizes the machining mode to remove uniformity and dimensional requirement that the opening position sharp corners has guaranteed chamfering, has reduced operator's labour intensity, has avoided the hidden danger of thinking that factor is brought.Finally make the serviceability of steering assembly obtain significantly promoting.
6, housing gap chamfering tool is simple in structure, and universal performance is good.Because tool diameter only has 63mm, therefore, as long as once processing the housing in multiple aperture to cutter, the number of cutters of saving and processing cost.Utilize the housing after this tool sharpening, meet the requirement of product fully, improved the quality of steering assembly.
The accompanying drawing explanation
Fig. 1 is housing gap chamfering tool overall structure schematic diagram.
Fig. 2 is the nonstandard Knife handle structure schematic diagram of the utility model.
Fig. 3, the 4th, the utility model cutter pad chamfering blade structural representation.
Fig. 5, the 6th, the utility model chamfering blade structural representation.
The specific embodiment
Shown in accompanying drawing 1: this cutter comprises nonstandard handle of a knife 2, is arranged on the blind rivet (BT50) 1 of nonstandard handle of a knife 2 one ends, is assemblied in successively cutter pad 3, chamfering blade 4, general flat key 5 and the hexagon thin nut 6 of nonstandard handle of a knife 2 other ends.
Described nonstandard handle of a knife 2 consists of manipulator clamping part 7, ladder staight shank blade coupling part 8 and 7:24 circular cone location shank portion 9.
Described chamfering blade 4 is radial edge both sides three angle of throats with 15 ° of chamferings.
During use, at first each part of cutter is installed on handle of a knife by drawing, and handle of a knife is arranged on to the vertical tool magazine the inside that adds of BT50 main shaft; Secondly this cutter must be placed on after half right boring processing of piston hole, the right boring first being processed, otherwise influential to the crudy of piston hole; Start-up routine, utilize this cutter to adopt the circular interpolation form by opening position corner angle abate along gap edge again, and it is smooth to the touch.Separately must note, the upper and lower two place's gap of housing piston hole are to adopt respectively the chamfered cutting edge of both sides up and down of cutter to be machined, and need twice circular arc to look into benefit just to complete.
After the half right boring processing that completes piston hole, the machine tool mechanical hand, by this cutter tool changing main shaft, starts housing piston hole two place's opening positions are processed respectively, 850 rev/mins of machine spindle speeds, and amount of feeding 80mm/ divides, and back engagement of the cutting edge must not be greater than 0.6mm.Take the 50A housing as example, and the cutting start angle is-66 °, and cutting terminal angle is+44 °, and the cutting total angle is 110 °, and length of cut is 106mm, and it is 85 seconds that every section circular arc cuts the time used, and the total used time of chamfering that completes two sections circular arcs of a housing is 195 seconds.By the processing of the trial-production to the 50A housing, prove that this cutter and this processing method can meet the quality requirement of product, have reached desirable effect.
Claims (3)
1. a housing gap chamfering tool, it is characterized in that: this cutter comprises nonstandard handle of a knife (2), be arranged on the blind rivet (1) of nonstandard handle of a knife (2) one ends, be assemblied in successively cutter pad (3), chamfering blade (4), general flat key (5) and the hexagon thin nut (6) of nonstandard handle of a knife (2) other end.
2. a kind of housing gap chamfering tool according to claim 1 is characterized in that: described nonstandard handle of a knife (2) by manipulator clamping part (7), be arranged on the ladder staight shank blade coupling part (8) of manipulator clamping part (7) one sides and be arranged on circular cone location shank portion (9) formation of manipulator clamping part (7) opposite side.
3. a kind of housing gap chamfering tool according to claim 1, it is characterized in that: described chamfering blade (4) is three the angle of throat sheets of radial edge both sides with 15 ° of chamferings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629344 CN202951914U (en) | 2012-11-26 | 2012-11-26 | Shell notch chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629344 CN202951914U (en) | 2012-11-26 | 2012-11-26 | Shell notch chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202951914U true CN202951914U (en) | 2013-05-29 |
Family
ID=48457509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220629344 Expired - Fee Related CN202951914U (en) | 2012-11-26 | 2012-11-26 | Shell notch chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202951914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978255A (en) * | 2014-05-28 | 2014-08-13 | 中核（天津）机械有限公司 | Composite milling cutter for machining different-diameter holes |
-
2012
- 2012-11-26 CN CN 201220629344 patent/CN202951914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978255A (en) * | 2014-05-28 | 2014-08-13 | 中核（天津）机械有限公司 | Composite milling cutter for machining different-diameter holes |
| CN103978255B (en) * | 2014-05-28 | 2017-05-17 | 中核（天津）机械有限公司 | Composite milling cutter for machining different-diameter holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20171126 |