CN201089017Y - Three-blade adjustable deep-hole boring head - Google Patents
Three-blade adjustable deep-hole boring head Download PDFInfo
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- CN201089017Y CN201089017Y CNU2007200459662U CN200720045966U CN201089017Y CN 201089017 Y CN201089017 Y CN 201089017Y CN U2007200459662 U CNU2007200459662 U CN U2007200459662U CN 200720045966 U CN200720045966 U CN 200720045966U CN 201089017 Y CN201089017 Y CN 201089017Y
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- cutter
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Abstract
The utility model provides a three-edge adjustable deep hole boring head, consisting of a boring head body and three cutter bodies, three guide bars and three bakelite support bars; the three cutter bodies as well as the three guide bars and the three bakelite support bars are distributed 120 degrees apart, wherein, the three cutter bodies are in an axially spaced and staggered arrangement from left to right, and are respectively fixed on the boring head body through bolts; the back of each cutter body is provided with a screw capable of adjusting each cutter body; the three guide bars are mounted in a groove of the boring head body by means of limited blocks and bolts; supporting springs are arranged between fastening surfaces of the guide bars and the boring head body; the three bakelite support bars are fixed on the boring head body by means of limit screws; and the surfaces of the three bakelite support bars for being matched with the boring head body are inclined planes. The three cutter bodies cut at the same time, so the stress of the boring head is effectively improved, the defects such as stuck cutter, boring deviation and so on are reduced, and the working range of the boring head body is broadened. The utility model solves the problem of boring forming in one piece of cylinders with large bore, large allowance or within certain range of bores, has the advantages of compact and reasonable structure, convenient installation and use, short man-hours, high work efficiency and wide practicability.
Description
Technical field
The utility model relates to Three edge adjustable deep hole boring head, is applicable to the deep hole machining of hydraulic jack and cylinder block, is specially adapted to the cylinder body deep hole machining of big cylinder diameter, big surplus.
Background technology
Hydraulic jack and cylinder have obtained in mining machinery, engineering machinery, machine tool industrial production field using widely.The processing technology of comparative maturity is boring-top gem of a girdle-pendant technology, and wherein the boring manufacturing procedure of cylinder body is crucial.At present, the boring head of deep hole boring machine use all is non-adjustable hilted broadsword body, fixed guide structure.In boring, all allowance are by a cutter hub once resecting, and cutter hub is stressed bigger, boring head body unbalance stress.When the cylinder blank wall unevenness, when surplus is bigger again, be easy to generate phenomenons such as " cutter relieving ", vibration, cause boring inclined to one side.When serious, " tipping ", " planting cutter " being taken place, causes waste product.In addition, owing to adopt non-adjustable hilted broadsword body structure, when the big surplus cylinder body of processing (more than the monolateral surplus 7mm), because cutter hub intensity, rigidity are limited, must above at twice boring, and each boring must corresponding boring head body of employing and boring bar, increase number of changing knife, reduced working (machining) efficiency.Therefore, the subject matter that exists in the deep hole boring processing at present is: 1) boring is inclined to one side: after the cylinder body boring, and wall unevenness, thus influence the processing of cylinder body cylinder mouth size; 2) plant cutter: in the cylinder body boring process,, thereby form very dark groove at inboard wall of cylinder block because the cutter unbalance stress causes the cutter tipping; 3) different cylinder diameters or big cylinder diameter, big surplus cylinder body processing need to change boring head body and boring bar, have increased time, have reduced working (machining) efficiency.
The utility model content
The purpose of this utility model is at the weak point in the prior art, and a kind of compact conformation is provided, and is easy to use, work efficiency height, the stressed uniform Three edge adjustable deep hole boring head of blade.
For achieving the above object, Three edge adjustable deep hole boring head of the present utility model, by the boring head body, be located at that the boring head body is radially that hexagonal angle distributes three cutter hub, three gib blocks and three bakelite support bars formations, wherein: three cutter hub interleaved setting successively from left to right vertically, be separately fixed on the boring head body by bolt, every rear portion cutter hub is provided with the screw that can regulate cutter hub; Three gib blocks are contained in by bolt card in the groove of boring head body, and gib block and boring head body are interlocked and are provided with support spring between the face; Three bakelite support bars are fixed on the boring head body by stop screw, with the mating surface of boring head body be the inclined-plane.
The screw hole that cooperates between described bakelite support bar and the boring head body is one apart from the shape slotted hole; Described gib block is made by 45 steel, and its end face is welded with hard alloy layer, and the hard alloy layer two ends are the conical surface.
Three edge adjustable deep hole boring head of the present utility model cuts 120 ° of distributions, adjustable cutter hubs simultaneously by adopting three, has effectively improved the stress of boring head body, has reduced and has planted defectives such as cutter, boring be inclined to one side, has enlarged the range of work of boring head body.Compare with traditional boring head body, become the single-blade cutting and be the cutting of three swords, promptly by 120 ° of three adjustable cutter hubs that distribute; Adopt adjustable gib block, can adjust according to the cylinder diameter size, become fixed guide into adjustable guiding, improved guide effect, solved a boring moulding of the cylinder body problem in big cylinder diameter, big surplus or the certain cylinder diameter scope, its compact conformation is reasonable, easy to install, can disposablely finish the cylinder body of processing big surplus, man-hour is short, the work efficiency height has practicality widely.
Description of drawings
Fig. 1 is the utility model structural front view;
Fig. 2 is the left view of Fig. 1.
Among the figure: 1-screw, 2-boring head body, 3-cutter hub, 4-bolt, 5-cutter head, 6-support spring, 7-gib block, 8-limited block, 9-bolt, 10-bakelite support bar, 11-stop screw.
The specific embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
Fig. 1 is shown in Figure 2, and Three edge adjustable deep hole boring head is mainly by boring head body 2, be radially that hexagonal angle distributes three cutter hub 3, three gib blocks 7 and three bakelite support bars 10 formations.Uniform on the circumference of boring head body 2 by 120 °, three grooves that gib block 7 is installed are arranged, groove is positioned at the back of the 3rd cutter groove, and trench bottom surfaces has three spring location blind holes that support spring 6 is installed.Three cutter hubs 3 are fixed in the cutter groove of boring head body 2 by bolt 4, every cutter hub 3 is interspersed along boring head body 2 axially spaced-aparts, spacing distance is determined according to the size of boring head body, can is 3-8mm, whenever, can be undertaken radiai adjustment to cutter hub 3 by adjustment screw 1, to satisfy suitable chipping allowance.First cutter is the heavy boring cutter, and second cutter is half fine boring cutter, and the 3rd is cutter fine boring cutter, three cuttves are 120 ° of distributions, be fixed in the boring head body 2 cutter grooves by bolt 4, can reduce the radial force of boring head body 2 effectively, thereby reach the purpose of avoiding cutter relieving (boring is inclined to one side), planting cutter.Divide Tri-cutter cutting with total allowance for machining, reduced every stressed cutter, in the life-span of having improved cutter, also can avoid planting cutter effectively.Because three is adjustable cutter hub 3, enlarged the range of work of boring head body 2, under the normal condition, the cylinder diameter excursion all can adopt same boring head body 2 at 40mm with interior cylinder body.Cutter hub 3 adopts indexable frame cutter, and handle of a knife adopts 45
#Steel is made, and blade adopts the standard carbide chip, during use, according to sizeable blades of parameters selection such as the material of cylinder body, hardness.In order to prevent that blade from entering cutting moment tipping, cutter head 5 can adopt 75 ° of tool cutting edge angles.Three gib blocks 7 fixedly are installed on the boring head body 2 by bolt 9, between gib block 7 and boring head body 2 contact-making surfaces support spring 6 is housed, support spring 6 is contained in the spring location blind hole of boring head body 2, and the size of support spring 6 and quantity can be adjusted according to the cylinder diameter size.Back-up block on supporter constitutes gib block 7 by supporter and apposition, and supporter is made by 45 steel, and back-up block is a hard alloy layer, during installation, carbide alloy is welded in the groove of supporter, according to cylinder diameter size grinding-shaping, is fixed on the boring head body 2 then with bolt 9 and limited block 8.During grinding gib block 7, two ends are ground to 15 ° the conical surface, to reduce scuffing to the workpiece casing wall.The elastic force of support spring 6 makes gib block 7 be adjacent to casing wall, and the conical surface at hard alloy layer two ends mainly plays guiding, supplemental support effect, and guiding boring head body 2 moving linearlies prevent that boring is inclined to one side; Support the casing wall after cutting, improve the stability of boring head body 2, reduce the vibrations of boring head body 2.Three bakelite support bars 10 are fixed on the boring head body 2 by stop screw 11, with the mating surface of boring head body 2 be the inclined-plane, the screw hole that cooperates between bakelite support bar 10 and the boring head body 2 is one apart from the shape slotted hole.Boring head body 2 right-hand members connect with boring bar, generally adopt two trapezoidal thread, and thread size can be determined according to the size of processing cylinder diameter, guarantee to have enough connection stiffness.
Operation principle: according to processing cylinder diameter size, select suitable boring bar and boring head body 2, boring head body 2 and boring bar thread connection are fixed on bakelite support bar 10 on the boring head body 2 by 120 ° of distributions earlier before connecting, and according to the cylinder diameter size, size is to suitable dimension then.Cutter hub 3 is packed in the cutter groove of boring head body 2, and three pack cutter hub 3 into from left to right successively, and the back of packing into is determined the chipping allowance of each cutter hub respectively from left to right according to total allowance for machining, and first cutter is a heavy boring, and second cutter is half right boring, and the 3rd is cutter right boring.According to cylinder diameter and chipping allowance before the cutting, cutter hub 3 is adjusted to correct position, compress cutter hub 3 with bolt 4 again, cutter hub 3 can not become flexible when thrust will be guaranteed to cut.The gib block 7 that prior grinding is good is packed on the boring head body 2, fixes with limited block 8 and bolt 9, guarantees can make gib block be adjacent to the casing wall of having processed in the spring force boring of spring 6.
Claims (3)
1. Three edge adjustable deep hole boring head, it is characterized in that: it is by boring head body (2), be located at that boring head body (2) is radially that hexagonal angle distributes three cutter hub (3), three gib blocks (7) and three bakelite support bars (10) formation, wherein: three cutter hub (3) interleaved setting successively from left to right vertically, be separately fixed on the boring head body (2) by bolt (4), every rear portion cutter hub (3) is provided with the screw (1) that can regulate cutter hub (3); Three gib blocks (7) are installed in the groove of boring head body (2) by limited block (8) and bolt (9), and gib block (7) and boring head body (2) are interlocked and are provided with support spring (6) between the face; Three bakelite support bars (10) are fixed on the boring head body (2) by stop screw (11), with the mating surface of boring head body (2) be the inclined-plane.
2. Three edge adjustable deep hole boring head according to claim 1 is characterized in that: the screw hole that cooperates between described bakelite support bar (10) and the boring head body (2) is one apart from the shape slotted hole.
3. Three edge adjustable deep hole boring head according to claim 1 is characterized in that: described gib block (7) is made by 45 steel, and its end face is welded with hard alloy layer, and the hard alloy layer two ends are the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200459662U CN201089017Y (en) | 2007-09-11 | 2007-09-11 | Three-blade adjustable deep-hole boring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200459662U CN201089017Y (en) | 2007-09-11 | 2007-09-11 | Three-blade adjustable deep-hole boring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201089017Y true CN201089017Y (en) | 2008-07-23 |
Family
ID=39860774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200459662U Expired - Fee Related CN201089017Y (en) | 2007-09-11 | 2007-09-11 | Three-blade adjustable deep-hole boring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201089017Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151879A (en) * | 2011-02-23 | 2011-08-17 | 河海大学常州校区 | Movable boring tool rest |
| CN104625124A (en) * | 2015-03-17 | 2015-05-20 | 北华航天工业学院 | Radial adjustable deep-hole boring cutter for guide blocks |
| CN105364121A (en) * | 2015-12-16 | 2016-03-02 | 广西玉柴机器股份有限公司 | Method and cutter for machining tappet via hole of cylinder block |
| RU169720U1 (en) * | 2016-07-18 | 2017-03-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | BORING HEAD |
| CN107791048A (en) * | 2016-09-02 | 2018-03-13 | 贵州龙飞航空附件有限公司 | A kind of device for processing deep blind-hole internal channel |
| CN109014261A (en) * | 2018-10-10 | 2018-12-18 | 河南理工大学 | The step deep hole right boring processing unit (plant) of accurate guide-localization |
| CN109047801A (en) * | 2018-09-30 | 2018-12-21 | 西安鑫旺矿业设备有限公司 | A kind of blind hole boring cutter component |
| CN112719322A (en) * | 2020-12-25 | 2021-04-30 | 株洲钻石切削刀具股份有限公司 | Cutting tool with tool retracting structure |
| CN113787206A (en) * | 2021-09-10 | 2021-12-14 | 内蒙古北方重工业集团有限公司 | Deep hole expanding and boring machining device and machining method thereof |
| CN114178564A (en) * | 2021-12-31 | 2022-03-15 | 四川普什宁江机床有限公司 | Deep hole reverse boring cutter for thin-wall pipe |
-
2007
- 2007-09-11 CN CNU2007200459662U patent/CN201089017Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151879B (en) * | 2011-02-23 | 2013-04-24 | 河海大学常州校区 | Movable boring tool rest |
| CN102151879A (en) * | 2011-02-23 | 2011-08-17 | 河海大学常州校区 | Movable boring tool rest |
| CN104625124A (en) * | 2015-03-17 | 2015-05-20 | 北华航天工业学院 | Radial adjustable deep-hole boring cutter for guide blocks |
| CN105364121A (en) * | 2015-12-16 | 2016-03-02 | 广西玉柴机器股份有限公司 | Method and cutter for machining tappet via hole of cylinder block |
| RU169720U1 (en) * | 2016-07-18 | 2017-03-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | BORING HEAD |
| CN107791048A (en) * | 2016-09-02 | 2018-03-13 | 贵州龙飞航空附件有限公司 | A kind of device for processing deep blind-hole internal channel |
| CN109047801A (en) * | 2018-09-30 | 2018-12-21 | 西安鑫旺矿业设备有限公司 | A kind of blind hole boring cutter component |
| CN109014261A (en) * | 2018-10-10 | 2018-12-18 | 河南理工大学 | The step deep hole right boring processing unit (plant) of accurate guide-localization |
| CN109014261B (en) * | 2018-10-10 | 2023-05-26 | 河南理工大学 | Precise guiding and positioning stepped deep hole precise boring device |
| CN112719322A (en) * | 2020-12-25 | 2021-04-30 | 株洲钻石切削刀具股份有限公司 | Cutting tool with tool retracting structure |
| CN112719322B (en) * | 2020-12-25 | 2022-04-19 | 株洲钻石切削刀具股份有限公司 | Cutting tool with tool retracting structure |
| CN113787206A (en) * | 2021-09-10 | 2021-12-14 | 内蒙古北方重工业集团有限公司 | Deep hole expanding and boring machining device and machining method thereof |
| CN114178564A (en) * | 2021-12-31 | 2022-03-15 | 四川普什宁江机床有限公司 | Deep hole reverse boring cutter for thin-wall pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou Huawei Arrk Mold Co., Ltd. Assignor: Xuzhou Institute of Industry Technology Contract fulfillment period: 2009.5.13 to 2015.5.13 Contract record no.: 2009320000925 Denomination of utility model: Three-blade adjustable deep-hole boring head Granted publication date: 20080723 License type: Exclusive license Record date: 20090514 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.13 TO 2015.5.13; CHANGE OF CONTRACT Name of requester: CHANGZHOU HUAWEI YAKE MOULD CO., LTD. Effective date: 20090514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |