CN205572145U - Finish machining tappet hole honing sword - Google Patents
Finish machining tappet hole honing sword Download PDFInfo
- Publication number
- CN205572145U CN205572145U CN201620237933.7U CN201620237933U CN205572145U CN 205572145 U CN205572145 U CN 205572145U CN 201620237933 U CN201620237933 U CN 201620237933U CN 205572145 U CN205572145 U CN 205572145U
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- CN
- China
- Prior art keywords
- honing
- lever
- cutter
- base
- silk braid
- 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.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a finish machining tappet hole honing sword, honing rod including hollow structure, honing rod 's one end is equipped with the honing base of welding honing strip the both ends of honing base are equipped with respectively and are used for compressing tightly the circular spring of honing base, honing rod 's the other end is equipped with a hollow structure's who is connected with the lathe the pole that connects, honing rod 's tip stretches into connect the pole inner chamber and through a spacing spring with it forms the flexonics to connect between the pole, honing rod in be equipped with one and run through its inner chamber and can promoting the radial guiding mechanism who changes of honing base. The utility model discloses simple structure, convenient operation adopts the cutter processing tappet hole of dividing the body structure to set up, and processingquality is stable, and the cost is lower, has effectively improved the quality of product.
Description
Technical field
This utility model relates to diesel engine processing technique field, more specifically, it relates to a kind of polish
Tappet hole honing cutter.
Background technology
The tappet hole diameter of gray iron 250 Diesel engine is generally large, and for Φ 32mm, length is about 50mm,
Its aperture precision, roughness and axiality require higher, for ensure the machining accuracy of tappet hole and CPK value >=
1.33, take into account manufacturing cost, then simultaneously the crudy needing tappet hole finishing tool is stable, and single-piece
The product cost of charp tool is low.The processing of tappet hole is typically through tappet hole precasting through hole and machining processes, and machine adds
Work operation includes roughing, semifinishing and three operations of polish.At present, in the mach work of tappet hole
In sequence, its cutter mostly is employing whole hard alloy Multi-edge reamer, single-blade rifle reamer and single-blade CBN fine boring cutter
On cutter, but, owing to there being gap section before tappet hole, process tool mostly is the long cutter of monoblock type, this type of cutter
Tool once weares and teares or crumbles, and replacement cost can be higher, and processing stability is not enough, according to split type
Cutter, the structure of cutter and compound mode then need higher requirement, the rigidity of its cutter and structural strength
It is difficult to meet the requirement that processing stress is big；Further, since polish tappet hole needs to use three cutters, machine
Bed cannot ensure that the center of every cutter is completely superposed, and its axiality does not reaches requirement, thus impact adds
Working medium amount.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for prior art, it is provided that a kind of structure
Simply, low cost of manufacture, the polish tappet hole honing cutter of cylinder body tappet hole processing request can be met.
The technical solution adopted in the utility model is such that a kind of polish tappet hole honing cutter, including in
The honing lever of hollow structure, one end of described honing lever is provided with the honing base of welding hone stone, in described honing
The coil component spring being respectively arranged at two ends with for compressing described honing base of pedestal, the other end of described honing lever
Being provided with the extension bar of a hollow structure being connected with lathe, described extension bar inner chamber is stretched into also in the end of described honing lever
Flexibly connect by being formed between a limit spring and described extension bar；It is provided with one in described honing lever and runs through it
Inner chamber also can promote the guiding mechanism of described honing base radial variations.
As improving further, described guiding mechanism includes that the silk braid being positioned at middle part and silk braid one end connect
The core bar connect and the adjusting screw rod being connected with the silk braid other end, peripheral at the core bar near described silk braid side
It is provided with back-moving spring.
Further, a long waist shaped hole in axial direction it is provided with in the middle part of described silk braid.
Further, described core bar one end is fixing with described silk braid to be connected, and the other end is provided with vertebral body Duan Bingshen
Enter in described honing base.
Further, described honing lever and described honing base are matched in clearance, and described honing lever is provided with
For limiting the jackscrew that silk braid rotates, one end of described honing lever is provided with the chamfering adapted with hole of holding out, separately
One end is provided with the spacer pin limiting the axial displacement of described adjusting screw rod.
Further, being matched in clearance between described extension bar and described honing lever, described extension bar one end sets
There is the set screw extending radially through described extension bar and honing lever, be provided with for placing tune at the middle part of described extension bar
The sector open of whole spanner.
Further, described limit spring is positioned at positioning table terrace and the described top gem of a girdle-pendant that described extension bar inner chamber is provided with
Between mill boom end；Described back-moving spring is positioned at positioning table terrace and the described silk that described honing lever inner chamber is provided with
Between set end.
Further, on the honing lever of described honing base one end, it is being provided with blocking.
Beneficial effect
This utility model compared with prior art, has the advantage that
1, cutter uses split-type structural to arrange, by hone stone welding-on on honing base, and its rigidity and structure
Intensity is big, effectively reduces the cost of cutter, honing base and honing lever matched in clearance, beneficially disassembling, assembling and replacing；
2, cutter interior arranges guiding mechanism, utilizes and threaded regulates coordinating of core bar and honing base,
Can realize the control in micron level of the cutter outside dimension precision, its diametric(al) Adjustment precision is
0.005mm/60 °, machining accuracy is higher；
3, this guiding mechanism axially penetrates through whole honing lever and extends in extension bar, can make at the side of extension bar upper end
Pull adjusting screw rod with spanner to rotate, thus drive guiding mechanism axially-movable, and then change honing base
Radial dimension, easy to operate, it is adaptable to various lathes, directly can directly adjust radial ruler on machine tool chief axis
Very little, it is not necessary to tear cutter open；
4, by the matched in clearance between extension bar and honing lever and arrange spacing bullet between extension bar and honing lever
Spring, it is achieved flexibly connect guarantee crudy, adds and can realize automatic tool preset regulation, pre-eccentric abrasion prevention man-hour, carry
The axiality of high camshaft hole and the perpendicularity of opposing top.
Accompanying drawing explanation
Fig. 1 is cutter cross-sectional view of the present utility model；
Fig. 2 is silk braid structure enlarged diagram of the present utility model；
Fig. 3 is extension bar cross-section structure enlarged diagram of the present utility model；
Fig. 4 is tool sharpening schematic diagram of the present utility model.
Wherein: 1-honing lever, 2-honing base, 3-coil component spring, 4-extension bar, 5-limit spring, 6-silk
Set, 7-core bar, 8-adjusting screw rod, 9-back-moving spring, 10-jackscrew, 11-spacer pin, 12-set screw,
13-blocking, 14-cylinder block, 4a-sector open, 6a-long waist shaped hole.
Detailed description of the invention
This utility model is described further by the specific embodiment in below in conjunction with the accompanying drawings.
Refering to shown in Fig. 1-4, a kind of polish tappet hole honing cutter of the present utility model, including hollow structure
Honing lever 1, its honing lever 1 inner chamber is step structure, and accordingly, honing lever 1 outer surface is also ladder
Shape structure, is provided with blade mounting seat in honing lever 1 one end, and is provided with one in end and fits mutually with tappet hole chamfering
The chamfering answered, is beneficial to the axiality of correction cutter and tappet hole, and its mounting seat two ends are equipped with groove, at the top gem of a girdle-pendant
One end of mill bar 1 is provided with honing base 2 that is corresponding with blade mounting seat and that be welded with hone stone, hone stone
Diameter can start to be divided into five deciles from cutter head, is followed successively by D1, D2, D3, D4, D5, and its magnitude relationship is
D1<D2<D3=D4>D5, beneficially cutter and tappet hole are automatically adjusted cutter；Its honing lever 1 and honing base 2
Between be matched in clearance, be provided with the coil component spring 3 for compressing honing base 2 at the two ends of this honing base 2,
This coil component spring 3 is positioned at honing lever 1 and the total groove of honing base 2, contributes to honing base 2
Expand smooth and easy with contraction；The other end at honing lever 1 is additionally provided with the extension bar 4 of a hollow structure being connected with lathe,
Its honing lever 1 inserts extension bar 4 inner chamber, and makes between honing lever 1 and extension bar 4 as matched in clearance, with the top gem of a girdle-pendant
The extension bar 4 of mill bar 1 contact jaw is provided with at least two and extends radially through extension bar 4 and the set screw of honing lever 1
12, it is fastenedly connected with honing lever 1 for extension bar 4, in the actual course of processing, it is also possible to suitably adjust the top gem of a girdle-pendant
The axle center of mill bar 1, improves the coaxial precision of processing, is provided with a circumferentially direction extension at the middle part of extension bar 4
Sector open 4a, be used for placing adjustment spanner, beneficially operator at machine tool chief axis side regulation cutter
Radial variations；Stretch in the end of honing lever 1 extension bar 4 inner chamber and by a limit spring 5 and extension bar 4 it
Between formed and flexibly connect, this limit spring 5 is positioned at positioning table terrace and the honing lever 1 that extension bar 4 inner chamber is provided with
Between end, and combine the matched in clearance between honing lever 1 and extension bar 4, in the actual course of processing, can
Realize being automatically adjusted the coaxial precision of processing, it is ensured that crudy；In honing lever 1, it is provided with one runs through this top gem of a girdle-pendant
Grind bar 1 inner chamber and the guiding mechanism of this honing base 2 radial variations can be promoted.Cutter of the present utility model is tied
Structure is simple, easily manufactured, greatly reduces the cost of tappet hole polish.
Guiding mechanism in this utility model include silk braid 6 fix with silk braid 6 one end the core bar 7 being connected and
The adjusting screw rod 8 being connected with silk braid 6 other end；Its silk braid 6 is that two ends are big, middle little cylindrical hollow structure,
Being provided with pin hole in silk braid 6 one end, the other end is provided with female thread, in axial direction sets at the middle part of silk braid 6
There is a long waist shaped hole 6a, honing lever 1 be additionally provided with suitable with the long waist shaped hole 6a of silk braid 6 and run through
In the jackscrew 10 of honing lever 1, use the respective outer side edges of jackscrew 10 and long waist shaped hole 6a, be used for limiting silk braid
6 rotate in a circumferential direction, and whole guiding mechanism plays the effect of guiding, make silk braid 6 can slide at honing lever 1 inner chamber
Row is smooth and easy；Its core bar 7 one end is provided with pin hole, and is connected by straight pin is fixing with silk braid 6, the other end
It is provided with vertebral body section and stretches in honing base 2；Its adjusting screw rod 8 one end is provided with external screw thread and is connected with silk braid 6,
The other end is a socket cap being provided with several through holes, is used for placing adjustment spanner, and centre is provided with one for card
The annular convex of position；It addition, be provided with back-moving spring 9 in core bar 7 periphery near silk braid 6 side, this reset
Spring 9 is between positioning table terrace and silk braid 6 end that honing lever 1 inner chamber is provided with, to whole adjustment machine
Structure play reset response.
It is additionally provided with on honing lever 1 in this utility model and is right against the annular convex of adjusting screw rod 8 and radially passes through
It is through at the spacer pin 11 of honing lever 1, this spacer pin 11 and annular convex mating reaction, limit adjusting screw rod 8
Axially-movable, prevent adjusting screw rod 8 to be moved rearwards by；On the honing lever 1 of honing base 2 one end
It is additionally provided with a blocking 13, for blocking the inner chamber of honing lever 1, prevents from adding iron filings entrance in man-hour honing lever 1
Inner chamber, affects the degree of regulation of guiding mechanism.
Tool assembly method in the present embodiment: first, is connected to one by core bar 7 and silk braid 6 with steady pin
Rise, then adjusting screw rod 8 is screwed into silk braid 6 to suitable position；Then, back-moving spring 9 is put into honing
In bar 1；Then, the core bar 7 assembled, silk braid 6 and adjusting screw rod 8 are pressed in honing lever 1, adjust
Align with the screw on honing lever 1 in the 6a position, long waist shaped hole of silk braid 6, upper jackscrew 10 and spacer pin 11；
Then, the honing base 2 being welded with hone stone is installed on honing lever 1, and compresses with coil component spring 3；
Then, limit spring 5 is put into extension bar 4；Then, the honing lever 1 assembled is pressed in extension bar 4,
Tighten set screw 12；Finally, blocking 13 is tightened.
Cutter operation principle in the present embodiment: when stirring adjusting screw rod 8 counterclockwise, silk braid 6 is by jackscrew 10
Stop cannot rotate, the most threaded minimizing, owing to adjusting screw rod 8 is stopped cannot retreat by spacer pin 11,
Forward, back-moving spring 9 is stored elastic potential energy by compression and core bar 7 moves forward and makes honing base 2 for silk braid 6
Spreading, coil component spring 3 is elongated storage elastic potential energy, and due to honing base 2 spreading, then welding-on is thereon
The hone stone grinding scope in face becomes big, then the cylinder block 14 tappet hole aperture processed becomes big；When clockwise
Stirring adjusting screw rod 8, silk braid 6 is stopped cannot rotate by jackscrew 10, the most threaded increase, due to regulation
Screw rod 8 and silk braid 6 are moved rearwards by by the thrust of back-moving spring 9, silk braid 6 and core bar 7, honing base
Seat 2 is acted on by the elongation of coil component spring 3, honing base 2 shrinks is close to core bar 7, then welding-on is in the above
Hone stone grinding scope diminishes, then the cylinder block 14 tappet hole aperture processed diminishes.
The method of a kind of polish tappet hole in the present embodiment, the method is by arranging an adjustable cutter
Tool outside dimension precision realizes the finishing to tappet hole at micron-sized separate honing cutter, application honing technique
Work.
Specifically include following steps:
Step 1, cutter is moved to directly over distance cylinder block 14 end face tappet hole at 10～15mm；
Step 2, unlatching coolant spray, start cutter, make cutter slowly run, and quickly through gap section
Arrive above tappet hole at 10～15mm；
Step 3, slow down tool feeding speed, utilize the chamfering on tappet hole and the chamfering on honing lever 1, cutter
Tool can enter tappet hole aperture time automatic capturing；
After step 4, cutter pre-grinding are partially into tappet hole, promote rotating speed to normal processing velocity and start honing very
Post holes, in the process, can shut down the radial dimension adjusting cutter；
Step 5, after cutter largest portion processes tappet hole, start withdrawing, pre-hinge part the most out before
Reducing rotating speed, cutter exits tappet hole, machines.
Above-described is only preferred implementation of the present utility model, it should be pointed out that for the technology of this area
For personnel, on the premise of without departing from this utility model structure, it is also possible to make some deformation and improvement,
These are all without affecting effect and the practical applicability that this utility model is implemented.
Claims (8)
1. a polish tappet hole honing cutter, honing lever (1) including hollow structure, it is characterized in that, one end of described honing lever (1) is provided with the honing base (2) of welding hone stone, the coil component spring (3) being respectively arranged at two ends with for compressing described honing base (2) at described honing base (2), the other end of described honing lever (1) is provided with the extension bar (4) of a hollow structure being connected with lathe, the end of described honing lever (1) is stretched into described extension bar (4) inner chamber and flexibly connects by being formed between a limit spring (5) and described extension bar (4)；It is provided with one in described honing lever (1) run through its inner chamber and the guiding mechanism of described honing base (2) radial variations can be promoted.
A kind of polish tappet hole honing cutter the most according to claim 1, it is characterized in that, described guiding mechanism includes being positioned at the core bar (7) that the silk braid (6) at middle part is connected and the adjusting screw rod (8) being connected with silk braid (6) other end with silk braid (6) one end, is provided with back-moving spring (9) in core bar (7) periphery of close described silk braid (6) side.
A kind of polish tappet hole honing cutter the most according to claim 2, it is characterised in that described silk braid (6) middle part is in axial direction provided with a long waist shaped hole (6a).
A kind of polish tappet hole honing cutter the most according to claim 2, it is characterized in that, described core bar (7) one end is fixing with described silk braid (6) to be connected, in the other end is provided with vertebral body section and stretches into described honing base (2).
A kind of polish tappet hole honing cutter the most according to claim 2, it is characterized in that, described honing lever (1) and described honing base (2) are matched in clearance, described honing lever (1) is provided with for limiting the jackscrew (10) that silk braid (6) rotates, one end of described honing lever (1) is provided with the chamfering adapted with hole of holding out, and the other end is provided with the spacer pin (11) limiting described adjusting screw rod (8) axially displacement.
A kind of polish tappet hole honing cutter the most according to claim 1, it is characterized in that, it is matched in clearance between described extension bar (4) and described honing lever (1), described extension bar (4) one end is provided with the set screw (12) extending radially through described extension bar (4) and honing lever (1), is provided with at the middle part of described extension bar (4) for placing the sector open (4a) adjusting spanner.
7. according to a kind of polish tappet hole honing cutter described in any one in claim 2-5, it is characterized in that, described limit spring (5) is positioned between positioning table terrace and described honing lever (1) end that described extension bar (4) inner chamber is provided with；Described back-moving spring (9) is positioned between positioning table terrace and described silk braid (6) end that described honing lever (1) inner chamber is provided with.
A kind of polish tappet hole honing cutter the most according to claim 1, it is characterised in that be provided with blocking (13) on the honing lever (1) of described honing base (2) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237933.7U CN205572145U (en) | 2016-03-25 | 2016-03-25 | Finish machining tappet hole honing sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237933.7U CN205572145U (en) | 2016-03-25 | 2016-03-25 | Finish machining tappet hole honing sword |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205572145U true CN205572145U (en) | 2016-09-14 |
Family
ID=56866805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620237933.7U Expired - Fee Related CN205572145U (en) | 2016-03-25 | 2016-03-25 | Finish machining tappet hole honing sword |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205572145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773392A (en) * | 2016-03-25 | 2016-07-20 | 广西玉柴机器股份有限公司 | Tappet hole finish machining honing cutter and machining method |
-
2016
- 2016-03-25 CN CN201620237933.7U patent/CN205572145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773392A (en) * | 2016-03-25 | 2016-07-20 | 广西玉柴机器股份有限公司 | Tappet hole finish machining honing cutter and machining method |
| CN105773392B (en) * | 2016-03-25 | 2018-05-01 | 广西玉柴机器股份有限公司 | One kind finishing tappet hole honing knife and processing 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: 20160914 |