CN202438909U - Dual-feed mechanism of honing head - Google Patents
Dual-feed mechanism of honing head Download PDFInfo
- Publication number
- CN202438909U CN202438909U CN2011205568056U CN201120556805U CN202438909U CN 202438909 U CN202438909 U CN 202438909U CN 2011205568056 U CN2011205568056 U CN 2011205568056U CN 201120556805 U CN201120556805 U CN 201120556805U CN 202438909 U CN202438909 U CN 202438909U
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- Prior art keywords
- girdle
- pendant
- top gem
- thick
- honing
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- Expired - Fee Related
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Abstract
The utility model discloses a dual-feed mechanism of a honing head, which is arranged in the body of a honing head. The bottom of the honing head is provided with a crude honing pedestal and a microhoning pedestal which are fixedly arranged in the same circumference; the crude honing pedestal is provided with a crude honing strip; the microhoning pedestal is provided with a microhoning strip; the dule-feed mechanism comprises a tubular crude propulsion rod and a micro-propulsion rod arranged in the crude propulsion rod; the bottom of the crude propulsion rod is couplingly contacted to the crude honing pedestal; the microhoning pedestal possesses a protrusion toward the center of circle; the protrusion is inserted from the groove aperture of the crude propulsion rod and is couplingly contacted to the bottom of the micro-propulsion rod; and two resetting-mechanism are respectively arranged on the crude propulsion rod and the micro-propulsion rod. According to the dual-feed mechanism of a honing head provided in the utility model, both the crude honing and microhoning operations can be carried out simultaneously, and the crude honing and microhoning operations can be completed independently, a roughness balance point can be found between the two operations, the contact area of the honing strips and a workpiece to be processed can be increased, and the conicity index in blind hole processing is improved.
Description
Technical field
The utility model relates to a kind of honing head, particularly a kind of two feed mechanisms of honing head.
Background technology
In mechanical processing process, usually can run into the processing in various holes, like through hole, stepped hole, blind hole, splined hole, dowel hole and series connection hole or the like.So-called blind hole is exactly blind hole, or a stepped hole is arranged, or has a plane to stop instrument to be worked into the hole of the other end from an end in hole in the hole.These holes are referred to as blind hole.Blind hole generally is divided into band escape blind hole, be not with three types of escape blind hole and stepped ramp type blind holes, can accomplish through honing preferably usually and process.The blind hole honing need be selected the higher honing machine of switching-over required precision for use, and its reciprocating reversing error is not more than 0.5mm, the axial float of honing main shaft, and the end play of honing head and hone stone base all need be strict with.Mostly the significant points cylinder hole and the crankshaft hole of automobile engine cylinder-body, and the part that extensively adopts of other many auto industrys are it is blind hole or stepped hole, so processing blind hole becomes honing knife and designs crucial condition.Cylinder hole base diameter is less than normal, receives spatial constraints can not use offset correction mode under the stroke, and honing head need can cause the cylinder hole risk of belt tool marks to occur through repairing the process time of bottom, time-delay increase cylinder hole bottom the cylinder hole.At present, honing head can be divided into rough honing head and microhoning head, need change honing head in use and realize thick, smart replacement processing, and processing is not only wasted time and energy but also can not improve machining accuracy like this.Chinese patent CN102091998A discloses a kind of platform reticulate pattern honing head, which is provided with rough honing oilstone and microhoning oilstone.
The utility model content
The utility model problem to be solved provide a kind of can be simultaneously thick, fine finishining again can be slightly, the honing head pair feed mechanisms of smart processing separately, overcomes the problems referred to above that exist in the prior art.
Two feed mechanisms of a kind of honing head of the utility model; Be located in the honing head body, the honing head bottom is provided with rough honing base and the microhoning base that is fixed on the same circumference, and the rough honing bar is installed on the rough honing base; The microhoning bar is installed on the microhoning base; The said pair of feed mechanism comprise tubulose thick pushing ram, be located at the smart pushing ram in the thick pushing ram, bottom and the said rough honing base contact matching of thick pushing ram have the protuberance in the sensing center of circle on the said microhoning base; Insert the slotted eye of said protuberance from said thick pushing ram and with the bottom contact matching of smart pushing ram, be equipped with a resetting-mechanism on said thick pushing ram and the smart pushing ram.
The said thick pushing ram of the utility model comprises continuous thick top gem of a girdle-pendant expanding bar and thick top gem of a girdle-pendant plug; Smart pushing ram comprises continuous smart top gem of a girdle-pendant expanding bar and smart top gem of a girdle-pendant plug; All has tapered slope on said thick top gem of a girdle-pendant plug and the smart top gem of a girdle-pendant plug; Have the inclined plane tangent on the said rough honing base with the tapered slope of said thick top gem of a girdle-pendant plug; Insert the slotted eye of protuberance on the said microhoning base from said thick top gem of a girdle-pendant plug, and the end of protuberance be with said smart top gem of a girdle-pendant plug on the tangent inclined plane of tapered slope.
Resetting-mechanism on the said thick pushing ram of the utility model comprises thick top gem of a girdle-pendant spring, and thick top gem of a girdle-pendant spring housing is located in the said thick top gem of a girdle-pendant expanding bar, and an end of thick top gem of a girdle-pendant spring is against on the pad in the said thick top gem of a girdle-pendant expanding bar, and the other end is against on the said honing head body.
Resetting-mechanism on the said smart pushing ram of the utility model comprises smart top gem of a girdle-pendant spring; Smart top gem of a girdle-pendant spring housing is located in the said thick top gem of a girdle-pendant expanding bar; Said smart top gem of a girdle-pendant expanding bar is provided with a limited block; Stretch out in the slotted eye of said limited block from the said thick top gem of a girdle-pendant expanding bar, an end of said smart top gem of a girdle-pendant spring is against on the said limited block, and the other end is against on the said honing head body.
The said thick top gem of a girdle-pendant expanding bar of the utility model is provided with a waist type stopper slot, and said smart top gem of a girdle-pendant expanding bar is provided with a spacer pin, and said spacer pin is spacing in said waist type stopper slot.
The periphery of the said honing head body of the utility model bottom is provided with many gib blocks, and said gib block places between rough honing bar and microhoning bar.
Through above technical scheme; The two feed mechanisms of the honing head of the utility model, adopt the coarse feed mechanism that cooperates with the rough honing bar, with the structure that progresses greatly and match of microhoning bar cooperation to mechanism, the thick top gem of a girdle-pendant, smart top gem of a girdle-pendant two procedures can be carried out simultaneously; Slightly the top gem of a girdle-pendant, the smart top gem of a girdle-pendant are independently accomplished again; Both can be beneficial to they performances cutting ability separately, realize thick, the smart surface roughness requirement of granularity separately, and the formation of reticulate pattern distribute; Can find the equalization point of roughness between them again, increase the contact area of hone stone and workpiece to be machined, the finishing blind hole adds the tapering index in man-hour.
Description of drawings
Fig. 1 is the concrete structure figure of the two feed mechanisms of the utility model honing head.
Fig. 2 is the bottom section figure of said honing head base.
The specific embodiment
Like Fig. 1 and shown in Figure 2; Two feed mechanisms of a kind of honing head of the utility model are located in the honing head body 1, and honing head bottom 5 is provided with the rough honing base 9 and microhoning base 14 that is fixed on the same circumference; Rough honing bar 10 is installed on the rough honing base 9; Microhoning bar 15 is installed on the microhoning base 14, this pair feed mechanism comprise tubulose thick pushing ram, be located at the smart pushing ram in the thick pushing ram, the bottom and rough honing base 9 contact matching of thick pushing ram; Has the protuberance that points to the center of circle on the microhoning base 14; Insert the slotted eye of protuberance from thick pushing ram, and with the bottom contact matching of smart pushing ram, be equipped with a resetting-mechanism on thick pushing ram and the smart pushing ram.The utility model is controlled rough honing bar, microhoning bar respectively through thick pushing ram, smart pushing ram, carries out when realizing the thick top gem of a girdle-pendant, smart top gem of a girdle-pendant two procedures, the carrying out separately of the perhaps thick top gem of a girdle-pendant, the smart top gem of a girdle-pendant.
Wherein, Above-mentioned thick pushing ram comprises continuous thick top gem of a girdle-pendant expanding bar 3 and thick top gem of a girdle-pendant plug 8; Smart pushing ram comprises continuous smart top gem of a girdle-pendant expanding bar 2 and smart top gem of a girdle-pendant plug 13, all has tapered slope on thick top gem of a girdle-pendant plug 8 and the smart top gem of a girdle-pendant plug 13, has the tangent inclined plane of tapered slope with thick top gem of a girdle-pendant plug 8 on the rough honing base 9; Insert the slotted eye of protuberance on the microhoning base 14 from thick top gem of a girdle-pendant plug 8, and the end of protuberance be with smart top gem of a girdle-pendant plug 13 on the tangent inclined plane of tapered slope.Thick top gem of a girdle-pendant expanding bar 3 promotes thick top gem of a girdle-pendant plug 8 and moves downward, and tangent with rough honing base 9 inclined-planes because of thick top gem of a girdle-pendant plug 8, rough honing base 9 can be along the expansion of honing head diametric(al) under the drive of thick top gem of a girdle-pendant plug 8, and rough honing bar 10 contacts with the workpiece machined surface and carries out grinding; Equally; Smart top gem of a girdle-pendant expanding bar 2 promotes smart top gem of a girdle-pendant plug 13 and moves downward; Because of the protuberance of microhoning base 14 extend in the thick top gem of a girdle-pendant plug tangent with smart top gem of a girdle-pendant plug inclined-plane; Microhoning base 14 can be along the expansion of honing head diametric(al) under the drive of smart top gem of a girdle-pendant plug, and microhoning bar 15 contacts with the workpiece machined surface and carries out grinding.
Resetting-mechanism on the above-mentioned thick pushing ram comprises thick top gem of a girdle-pendant spring 7; Thick top gem of a girdle-pendant spring 7 is set in the thick top gem of a girdle-pendant expanding bar 3; One end of thick top gem of a girdle-pendant spring 7 is against on the pad in the thick top gem of a girdle-pendant expanding bar, and the other end and a catch are fixed, and this catch places between honing head body and thick top gem of a girdle-pendant expanding bar.After thick top gem of a girdle-pendant operation was accomplished, thick top gem of a girdle-pendant spring 7 drives thick top gem of a girdle-pendant expanding bar and thick top gem of a girdle-pendant plug resets, and under the effect of rough honing bar return spring, the rough honing bar is playbacked smoothly.
Resetting-mechanism on the above-mentioned smart pushing ram comprises smart top gem of a girdle-pendant spring 6; Smart top gem of a girdle-pendant spring 6 is set in the thick top gem of a girdle-pendant expanding bar 3; Smart top gem of a girdle-pendant expanding bar 2 is provided with a limited block, stretches out in the slotted eye of limited block from the thick top gem of a girdle-pendant expanding bar, and an end of smart top gem of a girdle-pendant spring 6 is against on the limited block; The other end and a catch are fixed, and this catch supports and is located between honing head body and thick top gem of a girdle-pendant expanding bar.After smart top gem of a girdle-pendant operation was accomplished, smart top gem of a girdle-pendant spring 6 drives smart top gem of a girdle-pendant expanding bar and smart top gem of a girdle-pendant plug resets, and under the effect of microhoning bar return spring, the microhoning bar is playbacked smoothly.
Because of the honing head processing work is a blind hole,, avoid smart top gem of a girdle-pendant plug 13 to bump with workpiece for preventing smart top gem of a girdle-pendant overdistension; The spy is being provided with waist type stopper slot 11 in thick top gem of a girdle-pendant expanding bar 3; The spacer pin 12 of in smart top gem of a girdle-pendant expanding bar 2, packing into, spacer pin 12 is spacing in waist type stopper slot 11, just can effectively can control smart top gem of a girdle-pendant expansion stroke; Play a protective role, avoid hitting cutter.
Blind hole processing can not be stretched out the grinding of workpiece lower port overtravel because of honing head, causes circularity, cylindricity overproof easily, and machining accuracy does not reach requirement, and is general to all adopting time-delay (local stroke increase) grinding dressing.So the rough honing bar 10 of this honing head, microhoning bar 15 arrange all and the honing head lower surface flushes, when honing head runs to the time-delay grinding of workpiece bottom, guarantee that enough honing amounts are arranged at the workpiece bottom, in the hope of improving circularity and cylindricity index.And on the honing base, being provided with gib block 4, every adjacent two rough honing bars 10 and 15 of microhoning bars are provided with gib block 4 (see figure 2)s, can effectively avoid adding man-hour because of the cutter beat, and cause machining accuracy bad.The rule bowlder can become the size Control of hone stone up-small and down-big tubaeform, and promptly the bottom outside dimension of honing head exceeds about 5 ~ 15 μ m than top dimension, also can play the effect to finishing blind hole tapering.
The concrete course of work of the utility model is:
During roughing: thick top gem of a girdle-pendant push rod on the honing machine 16 is exerted pressure to thick top gem of a girdle-pendant expanding bar 3 earlier and is driven thick top gem of a girdle-pendant plug 8 along the B direction and down move; Because of thick top gem of a girdle-pendant base 9 is the inclined-plane tangent relation with thick top gem of a girdle-pendant plug 8; Thick top gem of a girdle-pendant base 9 will be along the diametric(al) expansion of honing head; Rough honing bar 10 is derived smoothly, contacts with the workpiece machined surface and carries out grinding.After thick top gem of a girdle-pendant operation is accomplished, 16 pairs of thick top gem of a girdle-pendant expanding bar 3 releases of the thick top gem of a girdle-pendant push rod on the honing machine, thick top gem of a girdle-pendant spring 7 helps thick top gem of a girdle-pendant expanding bar 3 and thick top gem of a girdle-pendant plug 8 to return rapidly, makes the playback smoothly under the effect of its return spring of rough honing bar.
During fine finishining: 17 pairs of smart top gem of a girdle-pendant expanding bars 2 of the smart top gem of a girdle-pendant push rod on the honing machine are exerted pressure and are sent to smart top gem of a girdle-pendant plug 13 along the C direction and down move; Smart top gem of a girdle-pendant base 14 also is the inclined-plane tangent relation with smart top gem of a girdle-pendant plug 13; So smart top gem of a girdle-pendant base 14 will be expanded along the honing head diametric(al); Smart top gem of a girdle-pendant processing is carried out in 15 expansions of microhoning bar.After machining equally, 17 pairs of smart top gem of a girdle-pendant expanding bar 2 releases of smart top gem of a girdle-pendant push rod, smart top gem of a girdle-pendant spring 6 helps smart top gem of a girdle-pendant plug 13 to return, and makes the playback smoothly under the effect of its return spring of microhoning bar.
Particularity to blind hole processing; Prevent can not interfere with each other when honing head from doing the thick top gem of a girdle-pendant, smart top gem of a girdle-pendant feed motion; The honing head of the utility model can be carried out the thick top gem of a girdle-pendant according to the machining accuracy of honing, smart top gem of a girdle-pendant operation is separated operation, is beneficial to they performances cutting ability separately; Realize thick, the smart surface roughness requirement of granularity separately, and the formation of reticulate pattern distributes; When needs carry out thick, smart two procedures when carrying out simultaneously; Only need thick top gem of a girdle-pendant push rod on the honing machine and smart top gem of a girdle-pendant push rod are worked simultaneously; Rough honing bar and microhoning bar are worked simultaneously; Can find the equalization point between the roughness, increase the contact area of hone stone and workpiece to be machined, the finishing blind hole adds the tapering index in man-hour.
Claims (6)
1. two feed mechanisms of a honing head; Be located in the honing head body (1); Honing head bottom (5) is provided with rough honing base (9) and the microhoning base (14) that is fixed on the same circumference, and rough honing base (9) is gone up rough honing bar (10) is installed, and microhoning base (14) is gone up microhoning bar (15) is installed; It is characterized in that; The said pair of feed mechanism comprise tubulose thick pushing ram, be located at the smart pushing ram in the thick pushing ram, bottom and said rough honing base (9) contact matching of thick pushing ram have the protuberance in the sensing center of circle on the said microhoning base (14); Insert the slotted eye of said protuberance from said thick pushing ram and with the bottom contact matching of smart pushing ram, be equipped with a resetting-mechanism on said thick pushing ram and the smart pushing ram.
2. two feed mechanisms of honing head according to claim 1; It is characterized in that; Said thick pushing ram comprises continuous thick top gem of a girdle-pendant expanding bar (3) and thick top gem of a girdle-pendant plug (8); Smart pushing ram comprises continuous smart top gem of a girdle-pendant expanding bar (2) and smart top gem of a girdle-pendant plug (13), all has tapered slope on said thick top gem of a girdle-pendant plug (8) and the smart top gem of a girdle-pendant plug (13), has the tangent inclined plane of tapered slope with said thick top gem of a girdle-pendant plug (8) on the said rough honing base (9); Insert the slotted eye of protuberance on the said microhoning base (14) from said thick top gem of a girdle-pendant plug (8), and the end of protuberance be with said smart top gem of a girdle-pendant plug (13) on the tangent inclined plane of tapered slope.
3. two feed mechanisms of honing head according to claim 2; It is characterized in that; Resetting-mechanism on the said thick pushing ram comprises thick top gem of a girdle-pendant spring (7); Thick top gem of a girdle-pendant spring (7) is set in the said thick top gem of a girdle-pendant expanding bar (3), and an end of thick top gem of a girdle-pendant spring (7) is against on the pad in the said thick top gem of a girdle-pendant expanding bar (3), and the other end is against on the said honing head body (1).
4. two feed mechanisms of honing head according to claim 2; It is characterized in that the resetting-mechanism on the said smart pushing ram comprises smart top gem of a girdle-pendant spring (6), smart top gem of a girdle-pendant spring (6) is set in the said thick top gem of a girdle-pendant expanding bar (3); Said smart top gem of a girdle-pendant expanding bar (2) is provided with a limited block; Stretch out in the slotted eye of said limited block from the said thick top gem of a girdle-pendant expanding bar (3), an end of said smart top gem of a girdle-pendant spring (6) is against on the said limited block, and the other end is against on the said honing head body (1).
5. two feed mechanisms of honing head according to claim 2; It is characterized in that; Said thick top gem of a girdle-pendant expanding bar (3) is provided with a waist type stopper slot (11), and said smart top gem of a girdle-pendant expanding bar (2) is provided with a spacer pin (12), and spacer pin (12) is spacing in said waist type stopper slot (11).
6. two feed mechanisms of honing head according to claim 1 is characterized in that, the periphery of said honing head body bottom is provided with many gib blocks (4), and said gib block (4) places between rough honing bar (10) and microhoning bar (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205568056U CN202438909U (en) | 2011-12-27 | 2011-12-27 | Dual-feed mechanism of honing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205568056U CN202438909U (en) | 2011-12-27 | 2011-12-27 | Dual-feed mechanism of honing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202438909U true CN202438909U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205568056U Expired - Fee Related CN202438909U (en) | 2011-12-27 | 2011-12-27 | Dual-feed mechanism of honing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202438909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862357A (en) * | 2014-03-10 | 2014-06-18 | 浙江埃弗逊机电科技有限公司 | Honing head and manufacturing method of honing head |
-
2011
- 2011-12-27 CN CN2011205568056U patent/CN202438909U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862357A (en) * | 2014-03-10 | 2014-06-18 | 浙江埃弗逊机电科技有限公司 | Honing head and manufacturing method of honing head |
| CN103862357B (en) * | 2014-03-10 | 2017-03-29 | 浙江埃弗逊机电科技有限公司 | A kind of honing head and its manufacture method |
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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: 20120919 Termination date: 20201227 |