CN106392989B - The not damaged pressure bushing technique of knuckle - Google Patents
The not damaged pressure bushing technique of knuckle Download PDFInfo
- Publication number
- CN106392989B CN106392989B CN201610320521.4A CN201610320521A CN106392989B CN 106392989 B CN106392989 B CN 106392989B CN 201610320521 A CN201610320521 A CN 201610320521A CN 106392989 B CN106392989 B CN 106392989B
- Authority
- CN
- China
- Prior art keywords
- pressing
- bushing
- section
- tooth
- stick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
Abstract
The present invention relates to knuckle processing technique field more particularly to a kind of not damaged pressure bushing techniques of knuckle, comprising steps of two bushings are respectively pressed into kingpin bore by a, indentation bushing；B, outside shaping pressing bushing, pressing stick is passed through from bushing, shaping is carried out to sleeve inner surface using the outer surface of pressing stick, and the outer surface of bushing and stub internal surface of hole are fitted closely, the pressing stick is provided with pressing section, the pressing section includes the annular pressing tooth that several diameters gradually increase, the top of the annular pressing tooth be it is trapezoidal or arc-shaped, be provided with the groove that depth is greater than 1.5mm greater than 1.5mm, width between the adjacent annular pressing tooth.The present invention carries out shaping, pressing to bushing by pressing stick, guarantees the installation accuracy of bushing, and reduce the crush injury to bushing, after the shaping pressing of pressing stick, the internal diameter of bushing meets matching requirements.
Description
Technical field
The present invention relates to knuckle processing technique fields, more particularly to a kind of not damaged pressure bushing technique of knuckle.
Background technique
Knuckle is one of the major part on steering axle of automobile, can make vehicle steadily traveling and sensitive transmitting traveling side
To the function of knuckle is subject to automobile front load, supports and front-wheel is driven to rotate around stub and make motor turning.Knuckle
Including bar portion, ring flange and fork, wherein the upper ear, lower ear of fork are provided with coaxial kingpin bore.It is needed when processing knuckle
Bushing is being installed in kingpin bore, is needing to guarantee that upper ear, two bushings in lower ear are coaxial, and internal diameter meets assembly and wants
It asks, due to more demanding, is in the prior art pressed into bushing by pressing mold, it is difficult to guarantee installation accuracy, bad product rate is higher, and
It is easy to form scratch in bushing, influences bushing service life.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to and a kind of not damaged pressure bushing technique of knuckle is provided,
It carries out shaping, pressing to bushing by pressing stick, guarantees the installation accuracy of bushing, and reduce the crush injury to bushing.
The technical solution adopted by the present invention to solve the technical problems is: a kind of not damaged pressure bushing technique of knuckle, packet
Include step: two bushings are respectively pressed into kingpin bore by a, indentation bushing；B, outside shaping pressing bushing, by pressing stick from bushing
In pass through, shaping is carried out to sleeve inner surface using the outer surface of pressing stick, and by the outer surface of bushing and stub internal surface of hole
It fits closely, which is provided with pressing section, which includes the annular pressing tooth that several diameters gradually increase, and first
A annular pressing tooth and the sleeve clearances cooperate, the last one annular pressing tooth and the bushing are interference fitted, the annular
The top of pressing tooth be it is trapezoidal or arc-shaped, be provided with depth between the adjacent annular pressing tooth and be greater than greater than 1.5mm, width
The groove of 1.5mm.
The pressing stick further include guarantee the pressing stick boot segment coaxial with bushing, inspection bushing inner diameter whether He Ge inspection
Section is tested, the pressing section is located at boot segment, examines between section.
The pressing section includes pressing just section, pressing middle section, pressing latter end, steady section, the adjacent ring of the first section of the pressing
The diameter of shape pressing tooth successively increases 0.03mm, and the diameter of the adjacent annular pressing tooth in the pressing middle section successively increases
0.02mm, first annular pressing tooth in the pressing middle section and the bushing transition fit, the adjacent ring of the pressing latter end
The diameter of shape pressing tooth successively increases 0.01mm, and the diameter of the annular pressing tooth of the steady section is identical.
Just section, pressing middle section, pressing latter end, steady section are provided with 4~6 annular pressing teeth for the pressing.
The groove is U-shaped, and the width of the groove is less than 2.5mm, and the depth of the groove is less than 3mm.
The beneficial effects of the present invention are: a kind of not damaged pressure bushing technique of knuckle comprising step: a, indentation bushing,
Two bushings are respectively pressed into kingpin bore；B, outside shaping pressing bushing, pressing stick is passed through from bushing, utilizes pressing stick
Outer surface carries out shaping to sleeve inner surface, and the outer surface of bushing and stub internal surface of hole are fitted closely, which sets
Be equipped with pressing section, which includes the annular pressing tooth that several diameters gradually increase, first annular pressing tooth with it is described
Sleeve clearances cooperation, the last one annular pressing tooth and the bushing are interference fitted, and the top of the annular pressing tooth is trapezoidal
Or it is arc-shaped, the groove that depth is greater than 1.5mm greater than 1.5mm, width is provided between the adjacent annular pressing tooth.The present invention
By the step and pressing stick, bushing can be made to expand outwardly and be pressed on stub internal surface of hole, part clast can fall into recessed
In slot, avoid scratching bushing, the top of annular pressing tooth has certain deformation, avoids excessively squeezing bushing, by pressing stick
Shaping pressing after, the internal diameter of bushing meets matching requirements.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the pressing stick that the not damaged pressure bushing technique of knuckle of the invention uses.
Fig. 2 is the cross-sectional view of the annular pressing tooth of pressing stick in Fig. 1.
Description of symbols:
1 --- pressing section 2 --- annular pressing tooth
3 --- groove.4 --- boot segment
5 --- examine section.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not reality of the invention
Scope limitation is applied in this.
The not damaged pressure bushing technique of the knuckle of the present embodiment, comprising steps of a, indentation bushing, b, outside shaping pressing lining
Set.Wherein, it in step a, is pressed from side to bushing using sleeve die, two bushings is respectively pressed into two kingpin bores.
In step b, knuckle is placed on press machine working face, pressing stick is goed deep into bushing, it is downward using press machine
Pressing stick is pressed, passes through pressing stick successively from two bushings, sleeve inner surface is carried out using the outer surface of pressing stick whole
Shape, and the outer surface of bushing and stub internal surface of hole are fitted closely.The key that the process is realized is that the structure of pressing stick is set
Meter.As shown in Figure 1 and Figure 2, the pressing stick that the present embodiment uses is a stock, the steering for being 47mm for shaping back bush internal diameter
Section.The pressing stick is provided with pressing section 1, which includes the annular pressing tooth 2 that 15 diameters gradually increase, first ring
Shape pressing tooth 2 and the sleeve clearances cooperate, the last one annular pressing tooth 2 is interference fitted with the bushing, and the annular is pressed
The top of knob 2 be it is trapezoidal or arc-shaped, be provided with depth between the adjacent annular pressing tooth and be greater than greater than 1.5mm, width
The groove 3 of 1.5mm.By the step and pressing stick, bushing can be made to expand outwardly and be pressed on stub internal surface of hole, part is broken
Bits can be fallen into groove 3, avoid scratching bushing, and the top of annular pressing tooth 2 has certain deformation, avoids excessively squeezing lining
Set, after the shaping pressing of pressing stick, the internal diameter of bushing meets matching requirements.
Further, the pressing stick further includes guaranteeing that the pressing stick boot segment 4 coaxial with bushing, inspection bushing inner diameter are
The inspection section 5 of no qualification, the pressing section 1 are located at boot segment 4, examine between section 5.In order to allow boot segment 4 to be easier to protrude into bushing,
The section of boot segment 4 is a circle rectangular shape, and the diameter of circular contour is 46.7mm in the present embodiment, before boot segment 4
End is provided with chamfering.The diameter for examining section 5 is 46.9mm.
Further, the pressing section 1 includes pressing just section, pressing middle section, pressing latter end, steady section, institute from front to back
The diameter for stating the adjacent annular pressing tooth 2 of the first section of pressing successively increases 0.03mm, the adjacent annular pressing tooth 2 in the pressing middle section
Diameter successively increase 0.02mm, the annular pressing tooth 2 of first of the pressing middle section and the bushing transition fit are described to press
The diameter of the adjacent annular pressing tooth 2 of latter end is pressed to successively increase 0.01mm, the diameter phase of the annular pressing tooth 2 of the steady section
Together.In the present embodiment, the diameter of 15 annular pressing teeth 2 be followed successively by 46.90mm, 46.93mm, 46.96mm, 46.99mm,
47.01mm、47.03mm、47.05mm、47.07mm、47.09mm、47.10mm、47.11mm、47.12mm、47.12mm、
47.12mm,47.12mm.Wherein 1-4 belong to pressing just section, and 4-9 belong to pressing middle section, and 9-12 belong to pressing
Latter end, 12-15 belong to steady section.
Further, the groove 3 is U-shaped, i.e., top is rectangle, and lower part is semicircle, and the width of the groove 3 is less than
The depth (calculating by minimum point) of 2.5mm, the groove 3 are less than 3mm.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (2)
1. the not damaged pressure bushing technique of knuckle, it is characterised in that: comprising steps of a, indentation bushing, two bushings are pressed respectively
Enter kingpin bore；B, pressing stick is successively passed through from two bushings, utilizes the outer surface pair of pressing stick by outside shaping pressing bushing
Sleeve inner surface carries out shaping, and the outer surface of bushing and stub internal surface of hole are fitted closely, which is provided with pressing
Section, guarantee the pressing stick boot segment coaxial with bushing, examine bushing inner diameter whether He Ge inspection section, the pressing section is positioned at drawing
Lead section, examine between section, which includes the annular pressing tooth that several diameters gradually increase, first annular pressing tooth with
The sleeve clearances cooperation, the last one annular pressing tooth and the bushing are interference fitted, and the top of the annular pressing tooth is
It is trapezoidal or arc-shaped, the groove that depth is greater than 1.5mm greater than 1.5mm, width, institute are provided between the adjacent annular pressing tooth
State pressing section include pressing just section, pressing middle section, pressing latter end, steady section, the pressing just section, pressing middle section, pressing latter end,
Steady section is provided with 4~6 annular pressing teeth, and the diameter of the adjacent annular pressing tooth of the first section of the pressing successively increases
0.03mm, the diameter of the adjacent annular pressing tooth in the pressing middle section successively increase 0.02mm, and first of the pressing middle section
Annular pressing tooth and the bushing transition fit, the diameter of the adjacent annular pressing tooth of the pressing latter end successively increase
The diameter of 0.01mm, the annular pressing tooth of the steady section are identical.
2. the not damaged pressure bushing technique of knuckle according to claim 1, it is characterised in that: the groove is U-shaped, described
The width of groove is less than 2.5mm, and the depth of the groove is less than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320521.4A CN106392989B (en) | 2016-05-16 | 2016-05-16 | The not damaged pressure bushing technique of knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320521.4A CN106392989B (en) | 2016-05-16 | 2016-05-16 | The not damaged pressure bushing technique of knuckle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106392989A CN106392989A (en) | 2017-02-15 |
| CN106392989B true CN106392989B (en) | 2019-06-11 |
Family
ID=58006203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320521.4A Active CN106392989B (en) | 2016-05-16 | 2016-05-16 | The not damaged pressure bushing technique of knuckle |
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| Country | Link |
|---|---|
| CN (1) | CN106392989B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310063A (en) * | 2000-02-24 | 2001-08-29 | 宋昌荣 | Inner hole reaming method and product of commutator bushing |
| CN201350464Y (en) * | 2008-12-23 | 2009-11-25 | 上海汇能衬套研究所 | Liner bushing manufacturing device and liner bushing |
| CN104476105A (en) * | 2014-12-15 | 2015-04-01 | 贵州红林机械有限公司 | Extruding processing method for filling steel element hole with copper bushing |
| CN204572744U (en) * | 2015-01-30 | 2015-08-19 | 成都考斯特车桥制造有限责任公司 | A kind of expansion set axle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014017426A1 (en) * | 2014-11-25 | 2016-05-25 | Wieland-Werke Ag | Method for producing an internally structured plain bearing bush |
-
2016
- 2016-05-16 CN CN201610320521.4A patent/CN106392989B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310063A (en) * | 2000-02-24 | 2001-08-29 | 宋昌荣 | Inner hole reaming method and product of commutator bushing |
| CN201350464Y (en) * | 2008-12-23 | 2009-11-25 | 上海汇能衬套研究所 | Liner bushing manufacturing device and liner bushing |
| CN104476105A (en) * | 2014-12-15 | 2015-04-01 | 贵州红林机械有限公司 | Extruding processing method for filling steel element hole with copper bushing |
| CN204572744U (en) * | 2015-01-30 | 2015-08-19 | 成都考斯特车桥制造有限责任公司 | A kind of expansion set axle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106392989A (en) | 2017-02-15 |
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