CN109909866A - A kind of hexagonal honing head - Google Patents
A kind of hexagonal honing head Download PDFInfo
- Publication number
- CN109909866A CN109909866A CN201910326442.8A CN201910326442A CN109909866A CN 109909866 A CN109909866 A CN 109909866A CN 201910326442 A CN201910326442 A CN 201910326442A CN 109909866 A CN109909866 A CN 109909866A
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- microhoning
- honing
- rough honing
- core
- head body
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of hexagonal honing head, including grinding head body, centre bore is equipped in grinding head body, grinding head body is regular hexagonal prism, and gib block is equipped at six seamed edges of bistrique body side surface, the accommodating chamber of connection centre bore is equipped between two neighboring gib block；It further include rough honing feed mechanism, microhoning feed mechanism, rough honing resetting-mechanism, microhoning resetting-mechanism；Rough honing feed mechanism includes six rough honing sand stripe stands, six rough honing sand stripe stands are respectively arranged in six accommodating chambers and radially slide and are connected in grinding head body, microhoning feed mechanism includes six microhoning sand stripe stands, and six microhoning sand stripe stands are respectively arranged in six accommodating chambers and radially slide and are connected in grinding head body.The shape of grinding head body is set hexagon by the present invention, and honing head reduces six roots of sensation gib block, increase grinding fluid by area, improve wash away, cleaning effect so as to effectively avoid engine cylinder hole inner wall from scratching reduces rejection rate.
Description
Technical field
The present invention relates to Honing process technical field more particularly to a kind of hexagonal honing heads.
Background technique
Honing head is a kind of tool being ground for engine cylinder hole or cylindrical hole part.It can be generated when Honing process a large amount of
Sand grains and metallic particles, it is therefore desirable to a large amount of grinding fluid washes away machined surface, cleaned, and falls off to wash away
Sand grains and the metallic particles ground off.The grinding head body of existing honing head be all it is cylindrical, as shown in Figure 1, grinding head body and engine
The gap of cylinder holes inner wall only has 2 ~ 2.5mm, along with gib block and grinding emery stick barrier, the effective area that grinding fluid passes through compared with
It is small, wash away, cleaning effect it is bad, often result in engine cylinder hole inner wall scuffing, high rejection rate.
Summary of the invention
In order to solve the above-mentioned prior art problems, the present invention provides a kind of hexagonal honing heads.
To achieve the above object, the present invention adopts the following technical scheme: a kind of hexagonal honing head, including grinding head body, it is described
Centre bore is equipped in grinding head body, the grinding head body is regular hexagonal prism, is set at six seamed edges of bistrique body side surface along its short transverse
There is gib block, the accommodating chamber of connection centre bore is equipped between two neighboring gib block；It further include rough honing feed mechanism, microhoning
Feed mechanism, rough honing resetting-mechanism, microhoning resetting-mechanism；The rough honing feed mechanism includes six rough honing emery sticks
Seat, six rough honing sand stripe stands are respectively arranged in six accommodating chambers and radially slide and be connected in grinding head body, the microhoning into
It include six microhoning sand stripe stands to mechanism, six microhoning sand stripe stands are respectively arranged in six accommodating chambers and radially slide connection
In in grinding head body, rough honing sand stripe stand and microhoning sand stripe stand interval are arranged.
Further, the rough honing feed mechanism includes that rise outside core bar, outer push rod, rough honing rises core；The outer core that rises
Bar is set in centre bore, and through-hole is equipped in the core bar that rises outside, and the outer peripheral surface for the core bar that rises outside is equipped with key that is axial and being connected to through-hole
Hole, the outer push rod are connect with the upper end for the core bar that rises outside, and the rough honing rises by core set on the outside for the core bar that rises outside, the rough honing
Sand stripe stand is set to rough honing and rises on the outside of core and which is provided with rough honing convex block, and the rough honing convex block is equipped with rough honing promotion
Face, the rough honing push the rise conical surface of core of face and rough honing to match and contact.
Further, the microhoning feed mechanism includes that internal expanding core bar, inner push-rod, microhoning are risen core；The internal expanding core
Bar is set in the through-hole for the core bar that rises outside, and the inner push-rod is connect with the upper end of internal expanding core bar, and the microhoning rises by core set on rising outside
The outside of core bar, the rise upper end of core of microhoning are equipped with groove, connecting key and circlip, one end of connecting key and the smart top gem of a girdle-pendant are equipped in groove
Core connection of rising is ground, the other end passes through keyhole and protrudes into through-hole and connect with internal expanding core bar；The microhoning sand stripe stand is set to essence
Honing rise core outside and which is provided with microhoning convex block, the microhoning convex block be equipped with microhoning push face, it is described essence the top gem of a girdle-pendant
The rise conical surface of core of mill promotion face and microhoning matches and contacts.
Further, the bottom of the grinding head body is equipped with bottom cover, and the bottom cover is the regular hexagon to match with grinding head body.
Further, the rough honing resetting-mechanism includes the first spring, the first harmomegathus spring, and first spring one end connects
It connects and rises on core bar outside and the other end is connected on bottom cover, the first harmomegathus spring is set to the outside of rough honing sand stripe stand.
Further, the microhoning resetting-mechanism includes second spring, the second harmomegathus spring, and described second spring one end connects
It connects on internal expanding core bar and the other end is connected on bottom cover, second spring is set in the first spring, and the second harmomegathus spring is set
In the outside of microhoning sand stripe stand.
The operation principle of the present invention is that: rough honing item is installed on rough honing sand stripe stand, is equipped on microhoning sand stripe stand
Microhoning item.When rough honing being needed to process, outer push rod is pushed down on, outer push rod compresses the first spring and moves down, and rough honing rises
The conical surface of core pushes out the rough honing on the rough honing sand stripe stand being in contact with it and pushes face, makes rough honing sand stripe stand along grinding head body
Radial direction expansion, rough honing item swells, and processes face contact with engine cylinder hole and carries out rough honing.Rough honing process is completed
Afterwards, outer push rod externally rises core bar release, and rough honing sand stripe stand moves back rapidly under the effect of the elastic force of the first harmomegathus spring and the first spring
It is back to initial position.When microhoning being needed to process, inner push-rod is pushed down on, inner push-rod compression second spring moves down, the smart top gem of a girdle-pendant
The rise conical surface of core of mill pushes out microhoning on the microhoning sand stripe stand being in contact with it and pushes face, makes microhoning sand stripe stand along mill
The radial direction expansion of head body, microhoning item swell, and process face contact with engine cylinder hole and carry out microhoning.Microhoning process
After the completion, for inner push-rod to internal expanding core bar release, microhoning sand stripe stand is fast under the second harmomegathus spring and the effect of the elastic force of second spring
Speed is retracted into initial position.While carrying out honing to engine cylinder hole, machined surface is rushed with a large amount of grinding fluid
Brush, cleaning, due in the present invention bistrique body section outer profile be hexagon, between grinding head body and engine cylinder hole inner wall between
Gap compared with the existing technology for substantially increase, and the quantity of gib block reduces the six roots of sensation, to the barrier action of grinding fluid
Weaken significantly, so that make grinding fluid increases 2.5 times or more by area, and single hole water flowing area increases nearly 10 times,
Reached preferably wash away, cleaning effect.
The shape of grinding head body is set regular hexagonal prism by the present invention, and honing head reduces six roots of sensation gib block, increases grinding fluid
By area, improve wash away, cleaning effect, so as to effectively avoid engine cylinder hole inner wall scratch, reduce rejection rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of honing head in the prior art.
Fig. 2 is the structural schematic diagram of honing head of the present invention.
Fig. 3 is the longitdinal cross-section diagram of honing head of the present invention.
Fig. 4 is the main view of grinding head body in the present invention.
Fig. 5 is the top view of grinding head body in the present invention.
Fig. 6 is the bottom view of grinding head body in the present invention.
Fig. 7 is the view in transverse section of grinding head body in the present invention.
Fig. 8 is the top view of bottom cover in the present invention.
Fig. 9 is the longitudinal cross-section schematic diagram of bottom cover in the present invention.
In figure: 1 grinding head body, 2 centre bores, 3 gib blocks, rise outside 4 core bar, 5 outer push rods, 6 rough honings rise core, 7 rough honing sand
Item seat, 8 through-holes, 9 keyholes, 10 rough honing convex blocks, 11 rough honings push face, 12 internal expanding core bars, 13 inner push-rods, 14 microhonings to rise
Core, 15 microhoning sand stripe stands, 16 grooves, 17 connecting keys, 18 circlips, 19 microhoning convex blocks, 20 microhonings push face, 21 bottom covers,
22 fixation holes, 23 first springs, 24 first harmomegathus springs, 25 second springs, 26 second harmomegathus springs, 27 engine cylinder hole inner walls, 28
Rough honing emery stick, 29 microhoning emery sticks.
Specific embodiment
Embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 2-9, a kind of hexagonal honing head, including it is grinding head body 1, rough honing feed mechanism, microhoning feed mechanism, thick
Honing resetting-mechanism, microhoning resetting-mechanism.It is equipped with centre bore 2 in the grinding head body 1, the grinding head body 1 is positive hexagonal prism,
It is equipped with gib block 3 along its short transverse at six seamed edges of 1 side of grinding head body, is equipped in connection between two neighboring gib block 3
The accommodating chamber in heart hole 2.
The rough honing feed mechanism includes 6, the six rough honing sand of core that rise including rise outside core bar 4, outer push rod 5, rough honing
Item seat 7.The outer core bar 4 that rises is equipped with through-hole 8, the outer peripheral surface for the core bar 4 that rises outside is equipped in centre bore 2 in the core bar 4 that rises outside
Keyhole 9 that is axial and being connected to through-hole 8.The outer push rod 5 is connect with the upper end for the core bar 4 that rises outside, and the rough honing core 6 that rises is set to
Rise outside the outside of core bar 4, the rough honing sand stripe stand 7, which is set to rough honing and rises, 6 outside of core and which is provided with rough honing convex block 10.Institute
It states rough honing convex block 10 and pushes face 11 equipped with rough honing, the rough honing pushes face 11 and rough honing to rise the conical surface phase of core 6
Match and contacts.Six rough honing sand stripe stands 7 are respectively arranged in six accommodating chambers and radially slide and are connected in grinding head body 1.This reality
The top for applying rough honing sand stripe stand 7 in example is equipped with the first sliding block, and grinding head body 1 is equipped with first to match with the first sliding block and slides
Slot, rough honing sand stripe stand 7 are radially slided by the first sliding block and are connected to (not shown) in grinding head body 1.
The microhoning feed mechanism includes that internal expanding core bar 12, inner push-rod 13, microhoning are risen 14, six microhoning emery sticks of core
Seat 15.The internal expanding core bar 12 is set in the through-hole 8 for the core bar 4 that rises outside, and the inner push-rod 13 is connect with the upper end of internal expanding core bar 12.
The microhoning core 14 that rises is set to the outside of core bar 4 of rising outside, and the rise upper end of core 14 of microhoning is equipped with groove 16, is equipped in groove 16
Connecting key 17 and circlip 18, one end of connecting key 17 and the microhoning core 14 that rises are connect, and the other end passes through keyhole 9 and protrudes into through-hole
It is connect in 8 with internal expanding core bar 12.The microhoning sand stripe stand 15 be set to microhoning rise core 14 outside and which is provided with microhoning
Convex block 19.The microhoning convex block 19 is equipped with microhoning and pushes face 20, and the microhoning pushes face 20 and microhoning to rise core 14
The conical surface match and contact.Six microhoning sand stripe stands 15 are respectively arranged in six accommodating chambers and radially slide connection and bistrique
On body 1, rough honing sand stripe stand 7 and the setting of the interval of microhoning sand stripe stand 15.The top of microhoning sand stripe stand 15 is set in the present embodiment
There is the second sliding block, grinding head body 1 is equipped with the second sliding slot to match with the second sliding block, and microhoning sand stripe stand 15 passes through the second sliding block
It radially slides and is connected to (not shown) in grinding head body 1.
Six rough honing sand stripe stands 7 and six microhoning sand stripe stands 15 are symmetrical as symmetrical centre using the center line of grinding head body 1
Distribution.Angle between microhoning sand stripe stand 15 and gib block 3 is 15 °, between microhoning sand stripe stand 15 and rough honing sand stripe stand 7
Angle be 30 °.Rough honing rises there are three core 6 sets, and sets that there are three correspond with the rough honing core 6 that rises on rough honing sand stripe stand 7
Rough honing convex block 10.Microhoning is risen there are two core 14 sets, and sets that there are two rise core 14 1 with microhoning on microhoning sand stripe stand 15
One corresponding microhoning convex block 19.Three rough honings rise by core 6 and two microhonings are risen, and core 14 is in-line along the short transverse of grinding head body 1
It is spaced apart.
The bottom of the grinding head body 1 is equipped with bottom cover 21, and the bottom cover 21 is the regular hexagon to match with grinding head body 1.This
In embodiment, bottom cover 21 is equipped with fixation hole 22, and bottom cover 21 connects by the way that the bolt and grinding head body 1 that are set in fixation hole 22 are fixed
It connects.
The rough honing resetting-mechanism includes the first spring 23, the first harmomegathus spring 24,23 one end of the first spring connection
Rise on core bar 4 outside and the other end is connected on bottom cover 21, the first harmomegathus spring 24 is set to the outside of rough honing sand stripe stand 7.
The microhoning resetting-mechanism includes second spring 25, the second harmomegathus spring 26,25 one end of second spring connection
On internal expanding core bar 12 and the other end is connected on bottom cover 21, and second spring 25 is set in the first spring 23, and described second rises
Contracting spring 26 is set to the outside of microhoning sand stripe stand 15.
Rough honing emery stick 28 is installed on rough honing sand stripe stand 7, microhoning emery stick 29 is installed on microhoning sand stripe stand 15.
When rough honing being needed to process, outer push rod 5 is pushed down on, outer push rod 5 compresses the first spring 23 and moves down, and rough honing rises core 6
The conical surface pushes out the rough honing on the rough honing sand stripe stand 7 being in contact with it and pushes face 11, makes rough honing sand stripe stand 7 along grinding head body
1 radial direction expansion, rough honing emery stick 28 swell, and process face contact with engine cylinder hole inner wall 27 and carry out rough honing.Slightly
After the completion of honing process, outer push rod 5 externally rises 4 release of core bar, and rough honing sand stripe stand 7 is in the first harmomegathus spring 24 and the first spring 23
Elastic force effect under be retracted into initial position rapidly.When microhoning being needed to process, inner push-rod 13 is pushed down on, inner push-rod 13 compresses
Second spring 25 moves down, and the rise conical surface of core 14 of microhoning pushes out the smart top gem of a girdle-pendant on the microhoning sand stripe stand 15 being in contact with it
Promotion face 20 is ground, expands microhoning sand stripe stand 15 along the radial direction of grinding head body 1, microhoning emery stick 29 swells, with engine
Cylinder holes inner wall 27 processes face contact and carries out microhoning.After the completion of microhoning process, inner push-rod 13 is to 12 release of internal expanding core bar, essence
Honing abrasive belt seat 15 is retracted into rapidly initial position under the second harmomegathus spring 26 and the effect of the elastic force of second spring 25.
Claims (6)
1. a kind of hexagonal honing head, including grinding head body, the grinding head body is interior to be equipped with centre bore, it is characterised in that: the grinding head body
For regular hexagonal prism, it is equipped with gib block along its short transverse at six seamed edges of bistrique body side surface, is set between two neighboring gib block
There is the accommodating chamber of connection centre bore；It further include rough honing feed mechanism, microhoning feed mechanism, rough honing resetting-mechanism, the smart top gem of a girdle-pendant
Grind resetting-mechanism；The rough honing feed mechanism includes six rough honing sand stripe stands, and six rough honing sand stripe stands are respectively arranged on six
In a accommodating chamber and radially sliding and be connected in grinding head body, the microhoning feed mechanism includes six microhoning sand stripe stands, and six
A microhoning sand stripe stand is respectively arranged in six accommodating chambers and radially slides and is connected in grinding head body, rough honing sand stripe stand and the smart top gem of a girdle-pendant
Grind the setting of sand stripe stand interval.
2. a kind of hexagonal honing head according to claim 1, it is characterised in that: the rough honing feed mechanism includes rising outside
Core bar, outer push rod, rough honing rise core；The outer core bar that rises is equipped with through-hole, rise core bar outside in centre bore in the core bar that rises outside
Outer peripheral surface is equipped with keyhole that is axial and being connected to through-hole, and the outer push rod is connect with the upper end for the core bar that rises outside, the rough honing
The core that rises is set to the outside of core bar of rising outside, and the rough honing sand stripe stand is set to that rough honing rises on the outside of core and to which is provided with rough honing convex
Block, the rough honing convex block are equipped with rough honing and push face, and the rough honing pushes the rise conical surface of core of face and rough honing to match
And it contacts.
3. a kind of hexagonal honing head according to claim 2, it is characterised in that: the microhoning feed mechanism includes internal expanding
Core bar, inner push-rod, microhoning rise core；The internal expanding core bar is set in the through-hole for the core bar that rises outside, the inner push-rod and internal expanding core bar
Upper end connection, the microhoning core that rises is set to the outside of core bar of rising outside, and the rise upper end of core of microhoning is equipped with groove, sets in groove
Have a connecting key and circlip, one end of connecting key and the microhoning core that rises are connect, the other end pass through keyhole and protrude into through-hole with it is interior
The core bar that rises connection；The microhoning sand stripe stand be set to microhoning rise core outside and which is provided with microhoning convex block, it is described essence the top gem of a girdle-pendant
It grinds convex block and is equipped with microhoning and push face, the microhoning pushes the rise conical surface of core of face and microhoning to match and contact.
4. a kind of hexagonal honing head according to claim 3, it is characterised in that: the bottom of the grinding head body is equipped with bottom cover,
The bottom cover is the regular hexagon to match with grinding head body.
5. a kind of hexagonal honing head according to claim 4, it is characterised in that: the rough honing resetting-mechanism includes first
Spring, the first harmomegathus spring, first spring one end be connected to it is outer rise on core bar and the other end is connected on bottom cover, described first
Harmomegathus spring is set to the outside of rough honing sand stripe stand.
6. a kind of hexagonal honing head according to claim 5, it is characterised in that: the microhoning resetting-mechanism includes second
Spring, the second harmomegathus spring, described second spring one end is connected on internal expanding core bar and the other end is connected on bottom cover, second spring
It is set in the first spring, the second harmomegathus spring is set to the outside of microhoning sand stripe stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326442.8A CN109909866A (en) | 2019-04-23 | 2019-04-23 | A kind of hexagonal honing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910326442.8A CN109909866A (en) | 2019-04-23 | 2019-04-23 | A kind of hexagonal honing head |
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| Publication Number | Publication Date |
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| CN109909866A true CN109909866A (en) | 2019-06-21 |
Family
ID=66978139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910326442.8A Pending CN109909866A (en) | 2019-04-23 | 2019-04-23 | A kind of hexagonal honing head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370164A (en) * | 2019-08-28 | 2019-10-25 | 中原内配集团鼎锐科技有限公司 | A kind of honing machine is risen honing head with three |
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| CN203471538U (en) * | 2013-08-09 | 2014-03-12 | 上海鸿宁珩磨机械有限公司 | Honing head with multiple oilstone protection wings |
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| CN206254027U (en) * | 2016-11-30 | 2017-06-16 | 河南兴华机械制造有限公司 | A kind of new type of bore honing head |
| CN209850654U (en) * | 2019-04-23 | 2019-12-27 | 中原内配集团智能装备有限公司 | Hexagonal honing head |
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- 2019-04-23 CN CN201910326442.8A patent/CN109909866A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1646811A1 (en) * | 1988-09-30 | 1991-05-07 | Предприятие П/Я В-2438 | Tool |
| CN2448520Y (en) * | 2000-11-21 | 2001-09-19 | 曹祥兴 | High-precision honing head |
| CN201261161Y (en) * | 2008-10-05 | 2009-06-24 | 韦星野 | Cylinder part inner hole double-feed honing head |
| CN201423569Y (en) * | 2009-04-23 | 2010-03-17 | 苏州信能精密机械有限公司 | Novel nylon base honing oilstone |
| CN203471538U (en) * | 2013-08-09 | 2014-03-12 | 上海鸿宁珩磨机械有限公司 | Honing head with multiple oilstone protection wings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370164A (en) * | 2019-08-28 | 2019-10-25 | 中原内配集团鼎锐科技有限公司 | A kind of honing machine is risen honing head with three |
| CN110370164B (en) * | 2019-08-28 | 2024-03-26 | 中原内配集团鼎锐科技有限公司 | Three-expansion honing head for honing machine |
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