CN87205920U - Adjusting mechanism for lapping head with adjustable rigidity - Google Patents
Adjusting mechanism for lapping head with adjustable rigidity Download PDFInfo
- Publication number
- CN87205920U CN87205920U CN 87205920 CN87205920U CN87205920U CN 87205920 U CN87205920 U CN 87205920U CN 87205920 CN87205920 CN 87205920 CN 87205920 U CN87205920 U CN 87205920U CN 87205920 U CN87205920 U CN 87205920U
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- gear
- adjusting mechanism
- lapping
- lapping head
- adjustable rigidity
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- 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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Abstract
The utility model discloses an adjusting mechanism for lapping head with adjustable rigidity used for the machining of metallic material holes. The adjusting mechanism for lapping head with adjustable rigidity can rapidly adjust or microadjust the diameter dimension of the lapping head. The adjusting mechanism for lapping head with adjustable rigidity is composed of a tetragonal body, an eccentric sleeve, two internal gears, two external gears, a shaft gear, and 8 gear racks. The components of the adjusting mechanism are provided with involutes which can be machined by standard gears in China. The utility model has the advantages of simple structure, light weight, and large regulating range. The adjusting mechanism for lapping head with adjustable rigidity is used for lapping cylinder hole of motor vehicles, tractors, and motorbikes. The effect of the adjusting mechanism for lapping head with adjustable rigidity lapping the holes of various hydraulic cylinders and lapping the holes of valve lining are 3-4 times higher compared with an elastic lapping head.
Description
The utility model relates to a kind of governor motion that is used for the adjustable rigid honing head of metal material hole processing.
For the engine cylinder bore of automobile and tractor, the cylinder of air compressor, the cylinder hole of hydraulic cylinder, the bush hole of valve and the hole on the important parts in addition of other machinery, normal employing honing in the fine finishining is to reduce surface roughness.Honing head is the main tool of honing, flexible honing head and rigidity honing first two.Elastic honing heads relies on the strength of spring oilstone to be pressed on the inwall in hole, and it is not too convenient to use, and honing efficient is not high yet.Widely used both at home and abroad at present is the rigidity honing head.Domestic its governor motion of rigidity honing head is to regulate nut drive bicone by rotation to do axially-movable, makes honing head spreading or contraction under the effect of cone, regulates the diameter of honing head with this.This governor motion adjustable range is little, the requirement of incompatibility aperture wide variation.External rigidity honing head governor motion is by the axis rotation of eccentric bushing ［ 15 ］ around shaft gear ［ 9 ］, at this moment the axle center of two internal gears ［ 13 ］ and ［ 14 ］ axis that will center on shaft gear ［ 9 ］ is done planetary motion, under its effect, an external gear ［ 24 ］ that fuses with shaft gear ［ 9 ］ will rotate around axis own, at this moment shaft gear ［ 9 ］ will drive tooth bar ［ 6 ］ and ［ 7 ］ and move, and it is flexible to drive oilstone ［ 4 ］ with this.The flank profil of these gears is special curves.The number of teeth of these gears is respectively Z
12=16, Z
24=10, Z
12=15, Z
14=11 and Z
9=8.Eccentric bushing ［ 15 ］ is θ=1 with the eccentric throw of the center line of shaft gear ［ 9 ］.These Gear Processing difficulties, need adopt the cutter for gear wheel of special tooth profile.
The purpose of this utility model is at honing head, designs a kind of number of teeth and flank profil governor motion all different with said gear of gear.Simple in structure, in light weight, the adjustable range of this mechanism is big, can be in harmonious proportion soon fine setting, fine setting self-locking afterwards, can process with China's existing standard cutter for gear wheel.Adopt the honing head of this governor motion can increase substantially the productivity ratio of honing bores, reduce the specification kind of honing head.
The governor motion of adjustable rigid honing head is made up of tetragonal body ［ 8 ］, eccentric bushing ［ 15 ］, two internal gears ［ 13 ］ and ［ 14 ］, two external gears ［ 12 ］ and ［ 24 ］, shaft gear ［ 9 ］, 4 toothed rack ［ 6 ］ and 4 toothed rack ［ 7 ］.External gear ［ 12 ］ is anchored in the endoporus of tetragonal body ［ 8 ］ by interference fit.External gear ［ 12 ］ is meshed with internal gear ［ 13 ］.Shaft gear ［ 9 ］ is loaded in tetragonal body ［ 8 ］ and external gear ［ 12 ］ hole, can freely rotate.Shaft gear ［ 9 ］ is meshed with tooth bar ［ 6 ］ and ［ 7 ］.Internal gear ［ 14 ］ is pressed in the cover of internal gear ［ 13 ］ and with external gear ［ 24 ］ and is meshed.Eccentric bushing ［ 15 ］, its male half coupling can rotate in the cover of internal gear ［ 13 ］; Its endoporus can rotate on the right-hand member axle of shaft gear ［ 9 ］.Screw ［ 17 ］ and packing ring ［ 16 ］
Restriction eccentric bushing ［ 15 ］ is excessive play axially.External gear ［ 12 ］, ［ 24 ］, internal gear ［ 13 ］, ［ 14 ］, the number of teeth of shaft gear ［ 9 ］ is respectively 15,13,16,14,8.Eccentric bushing ［ 15 ］ is 2.1 millimeters with the eccentric throw of shaft gear ［ 9 ］.The modulus of external gear ［ 12 ］ and internal gear ［ 13 ］ is 2.25.The modulus of external gear ［ 24 ］ and internal gear ［ 14 ］ is 2.5.
The modulus of shaft gear ［ 9 ］ and tooth bar ［ 6 ］ and ［ 7 ］ is 1.25.The flank profil of these gears all is an involute, the master gear cutter processing of available China.The modification coefficient of external gear ［ 12 ］, internal gear ［ 13 ］, external gear ［ 24 ］ and internal gear ［ 14 ］ is respectively 0.1-0.8,0.4-1.3,0.1-0.8 and 0.2-1.3.The transmission process of governor motion is such: when eccentric bushing ［ 15 ］ during around the rotation of the right-hand member axle of shaft gear ［ 9 ］, planetary motion will be done around the right-hand member of shaft gear ［ 9 ］ in the axle center of internal gear ［ 13 ］ and internal gear ［ 14 ］.External gear ［ 12 ］ is anchored on the tetragonal body ［ 8 ］, and under the planetary motion effect of internal gear ［ 14 ］, external gear ［ 24 ］ and axle tooth ［ 9 ］ will rotate around the axis of itself.Shaft gear ［ 9 ］ and tooth bar ［ 6 ］ and ［ 7 ］ engagement make tooth bar ［ 6 ］ and ［ 7 ］ flexible on diametric(al).The amount of movement that eccentric bushing ［ 15 ］ whenever revolves corresponding each toothed rack of going around is 0.3 millimeter.
The utlity model has following characteristics: simple in structure, in light weight, can be used on the hand tools such as electronic and pneumatic; The size adjustment scope is big, but top gem of a girdle-pendant bore dia is 750 millimeters of φ 100-φ, is particularly suitable for jobbing work; Oilstone flexible can be in harmonious proportion fine setting and fine setting self-locking afterwards soon.But adopt per hour honing 0.01-0.05 millimeter of this rigidity honing head machining hole, but and the ordinary elasticity honing head is per hour processed only honing 0.003-0.005 millimeter.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the governor motion front view.Fig. 2 is the governor motion schematic diagram.Fig. 3 is the adjustable rigid honing head that utilizes this governor motion to make.Fig. 4 is the steady rest structure chart of this honing head.Taper shank among Fig. 3 ［ 21 ］ can be loaded in the taper hole of machine tool chief axis.Adapter sleeve ［ 20 ］ is connected as a single entity taper shank ［ 21 ］ and transmission fork ［ 18 ］ by means of screw ［ 19 ］ (each 2 at two ends).Transmission fork ［ 18 ］ is connected with ladder pin ［ 11 ］ with square frame ［ 22 ］, and transmission fork ［ 18 ］ can rotate around the common axis of 2 ladder pins ［ 11 ］.Square frame ［ 22 ］ is connected with ladder pin ［ 10 ］ with tetragonal body ［ 8 ］, and square frame ［ 22 ］ can rotate around the common axis of 2 ladder pins ［ 10 ］.These 5 parts have constituted a universal joint.Part ［ 6 ］, ［ 7 ］, ［ 8 ］, ［ 9 ］, ［ 12 ］, ［ 13 ］, ［ 14 ］, ［ 24 ］, ［ 15 ］, ［ 16 ］ and ［ 17 ］ are the governor motion of honing head, and its Principles of Regulation as previously mentioned.Stretch out in 4 vertical directions respectively each 4 of tooth bar ［ 6 ］ and ［ 7 ］, and they all mesh with shaft gear ［ 9 ］.The external part interference fit of tooth bar ［ 6 ］ and ［ 7 ］ is in the hole of oil stone base ［ 5 ］.Oilstone ［ 4 ］ sticks on oil stone base ［ 5 ］ and ［ 23 ］ with bonding agent.Screw 1 links to each other with the screw of shaft gear ［ 9 ］, on the end face of spring ［ 3 ］ by packing ring ［ 2 ］ side's of acting on body ［ 8 ］.The effect of spring ［ 3 ］ is to make internal gear ［ 13 ］ and external gear ［ 12 ］ be in engagement, rotating eccentric sleeve ［ 15 ］ at this moment, and the effect by governor motion can make shaft gear ［ 9 ］ trace rotate, and stretches thereby drive tooth bar ［ 6 ］ and ［ 7 ］ trace.Arrest internal gear ［ 13 ］ with hand and move right, make internal gear ［ 13 ］ and external gear ［ 12 ］ break away from engagement, rotational inner gear ［ 13 ］, external gear ［ 24 ］ quick rotation, shaft gear ［ 9 ］ drives tooth bar ［ 6 ］ and ［ 7 ］ quick-expansion.
The adjustment section of the length decision honing head diameter of tooth bar ［ 6 ］ and ［ 7 ］.In 750 millimeters of φ 100-φ, the tooth bar that 7 kinds of different lengths are arranged makes the adjustment section of honing head diameter be respectively φ 100-φ 150, φ 150-φ 250, φ 250-φ 350, φ 350-φ 450, φ 450-φ 550, φ 550-φ 650, φ 650-φ 750.When honing head uses at 6 sections greater than φ 150, all there is the steady rest of corresponding size to strengthen the rigidity of tooth bar ［ 6 ］ and ［ 7 ］.
Steady rest as shown in Figure 4.It is made up of two thin plates ［ 34 ］, connecting rod ［ 33 ］, nut ［ 31 ］ and packing ring ［ 32 ］.［ 34 ］ center is a square hole, is placed on honing head side's body ［ 8 ］.Connecting rod ［ 33 ］ both coupled together two thin plates ［ 34 ］, and a plane with it is close to tooth bar ［ 6 ］ and ［ 7 ］ again, thereby the length that overhangs of tooth bar ［ 6 ］ and ［ 7 ］ is reduced, and rigidity is strengthened.
Honing head using method: choose oilstone ［ 4 ］, tooth bar ［ 6 ］ and ［ 7 ］ and steady rest according to the aperture.Honing head is loaded on lathe or the hand-operated tools.The quick adjustment diameter makes it less than the aperture, and honing head is stretched in the hole.Quick adjustment honing head size makes oilstone near hole wall again, promotes internal gear ［ 13 ］, ［ 14 ］ and eccentric bushing ［ 15 ］ in left position, and the fine setting honing head makes oilstone contact and produce certain pressure with hole wall.Turning of work piece or honing head make oilstone treat to obtain shaping on the top gem of a girdle-pendant hole wall.Carrying out honing under the grinding fluid fully.
Claims (2)
1, the governor motion of adjustable rigid honing head, this mechanism comprise the tetragonal body [8] that has endoporus, by interference fit be fixed in the tetragonal body endoporus external gear [12], with the internal gear [13] of external gear [12] engagement, be loaded on shaft gear free to rotate [9] in tetragonal body [8] and the external gear [12], with the tooth bar [6] of shaft gear [9] engagement and [7], be pressed in the cover of internal gear [13] and with internal gear [14], eccentric bushing [15] that external gear [24] meshes, it is characterized in that:
The flank profil of a, these gears is an involute,
B, external gear [12], [24], internal gear [13], [14], the number of teeth of shaft gear [9] is respectively 15,13,16,14,8,
C, eccentric bushing [15] are 2.1 millimeters with the eccentric throw of shaft gear [9].
2, governor motion according to claim 1 is characterized in that the modulus of external gear ［ 12 ］ and internal gear ［ 13 ］ is 2.25; The modulus of external gear ［ 24 ］ and internal gear ［ 14 ］ is 2.5; The modulus of shaft gear ［ 9 ］ and tooth bar ［ 6 ］ and ［ 7 ］ is 1.25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87205920 CN87205920U (en) | 1987-03-27 | 1987-03-27 | Adjusting mechanism for lapping head with adjustable rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87205920 CN87205920U (en) | 1987-03-27 | 1987-03-27 | Adjusting mechanism for lapping head with adjustable rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87205920U true CN87205920U (en) | 1988-01-27 |
Family
ID=4821587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87205920 Withdrawn CN87205920U (en) | 1987-03-27 | 1987-03-27 | Adjusting mechanism for lapping head with adjustable rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87205920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318310B (en) * | 2007-06-07 | 2010-06-02 | 日产自动车株式会社 | Honing method and honing control device |
| CN106694495A (en) * | 2016-11-30 | 2017-05-24 | 宁波隆源精密机械有限公司 | Portable material cylinder inner hole cleaning device |
-
1987
- 1987-03-27 CN CN 87205920 patent/CN87205920U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318310B (en) * | 2007-06-07 | 2010-06-02 | 日产自动车株式会社 | Honing method and honing control device |
| CN106694495A (en) * | 2016-11-30 | 2017-05-24 | 宁波隆源精密机械有限公司 | Portable material cylinder inner hole cleaning device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |