CN204603339U - Rotating boring head - Google Patents
Rotating boring head Download PDFInfo
- Publication number
- CN204603339U CN204603339U CN201520121579.7U CN201520121579U CN204603339U CN 204603339 U CN204603339 U CN 204603339U CN 201520121579 U CN201520121579 U CN 201520121579U CN 204603339 U CN204603339 U CN 204603339U
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- CN
- China
- Prior art keywords
- boring head
- ball bearing
- deep groove
- groove ball
- rotating
- 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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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a kind of rotating boring head, relate to hydraulic cylinder deep hole machining field.A kind of rotating boring head, it comprises boring head body, boring head cover, support strip, cutter box, thrust ball bearing, the first deep groove ball bearing and the second deep groove ball bearing.Boring head body inner hollow, one end is directly connected with boring bar, and the relative other end installs cutter box; Boring head body is provided with thrust ball bearing, for bearing thrust during boring head axial feed; Boring head body is also provided with the first deep groove ball bearing and the second deep groove ball bearing, spacing with lining between the first deep groove ball bearing and the second deep groove ball bearing, be connected with baffle ring between the second deep groove ball bearing and thrust ball bearing.Boring head external body installs boring head cover, and adding man-hour can with workpiece rotating Vortex, and boring head puts installation support strip.The utility model not only structure is simple, easy to adjust, stability of rotation, and frictional resistance is little, it is economical to use, workpiece accuracy when significantly improving deep hole machining and quality.
Description
Technical field
The utility model relates to hydraulic cylinder deep hole machining field, the rotating boring head of one when being specifically related to hydraulic cylinder deep hole machining.
Background technology
Hydraulic cylinder uses widely in various field, and engineering, mine, metallurgy and other mechanical fields use usually, and the boring head of hydraulic cylinder deep hole machining adds particular importance in man-hour at hydraulic cylinder, often determines quality and the efficiency of deep hole machining.At present conventional deep-hole boring head ubiquity regulates that inconvenience, frictional resistance are large, supporting is changed frequently and the not easily shortcoming such as processing.Particularly lost efficacy because wearing and tearing aggravation causes supporting when processing longer hydraulic cylinder, thus cause the overproof workpiece that even causes of bore size to be scrapped.
Utility model content
The purpose of this utility model overcomes the defect that above-mentioned prior art exists, and providing a kind of can rotate or the deep-hole boring head that do not turn with workpiece as required.
In order to reach above-mentioned technique effect, the utility model takes following technical scheme: a kind of rotating boring head, and it comprises boring head body, boring head cover, support strip, cutter box, thrust ball bearing, the first deep groove ball bearing and the second deep groove ball bearing.Described boring head body inner hollow, one end is directly connected with boring bar, and the relative other end installs cutter box; Described boring head body is provided with thrust ball bearing, for bearing thrust during boring head axial feed; Described boring head body is also provided with the first deep groove ball bearing and the second deep groove ball bearing, spacing with lining between described first deep groove ball bearing and the second deep groove ball bearing, connect with baffle ring between described second deep groove ball bearing and thrust ball bearing, baffle ring transmits the thrust between the second deep groove ball bearing and thrust ball bearing.Described boring head external body installs boring head cover, and adding man-hour boring head cover can with workpiece rotating Vortex, and described boring head puts installation support strip; Support strip is rotated with boring head cover.
Further technical scheme is: a kind of rotating boring head, and it also comprises accessory stop pin, and when support strip changed by needs, described stop pin is used for boring head cover and boring head body to be fixed together.
Further technical scheme is: boring head cover and support strip are installed by screw and be connected.
Further technical scheme is: the first deep groove ball bearing is arranged on boring head body by round nut locking.
Further technical scheme is: same one end of described boring head body is symmetrically installed with two cutter boxes.
Further technical scheme is: the quantity of described support strip has six.
Further technical scheme is: described boring head body is provided with oil baffle external member in the one end near cutter box.
Further technical scheme is: described oil baffle external member is provided with pressing plate.
The utility model compared with prior art, has following beneficial effect:
(1) the utility model is that the workpiece centering that chuck clamping and centre frame support is very convenient for processing and loading clamp mode.Only need, in advance arbitrarily in processing work within hole depth 5mm, by dial gauge run-out check endoporus circularity on boring head, to regulate centre frame to realize workpiece centering by the different circularity of surrounding.
(2) the utility model is easy to adjust, good stability.When support strip needs fine setting, because boring head cover can rotate, can check with dial gauge easily and regulate size needed for support strip, thus realize regulating on request.In workpiece process, due to support strip and workpiece servo-actuated, mutual gap is very little, and support effects is remarkable, and stability significantly improves, and frictional resistance significantly reduces, and support strip durability improves more than 10 times.
(3) the utility model changes support strip conveniently, only hole-drilled support strip (a little more than requiring size) need be connected to boring head with screw to put, with stop pin, boring head cover and boring head body are fixed, adjust tool dimension, boring head axial feed is utilized automatically to process support strip size at workpiece end face, support strip size and tool dimension fit like a glove, and are extracted by stop pin after support strip size is determined completely.Change support strip before eliminating must go up on special tooling, and with the time of machine tooling to setting size, most importantly dimensional accuracy with utilize self machining accuracy and compare difference more than 2 times.
(4) chip removal of the present utility model is satisfactory for result.When deep-hole boring is awarded because this part does not need not describe in detail herein when oil awarded by oily device, when oil awarded by deep-hole boring boring bar, effect is especially obvious.Oil baffle makes as required, is released forward by most fluid, thus will process iron filings and take away, and does not have iron filings and is detained workpiece damage cutter phenomenon.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure sectional view;
Fig. 2 is that stop pin coordinates schematic diagram;
Reference numeral:
1-cutter box, 5-oil baffle, 6-pressing plate, 7-round nut, 8-first deep groove ball bearing, 9-lining, 10-support strip, 11-boring head cover, 12-second deep groove ball bearing, 13-screw, 14-baffle ring, 15-thrust ball bearing, 16-boring head body, 17-stop pin.
Detailed description of the invention
Below in conjunction with embodiment of the present utility model, the utility model is further elaborated.
Embodiment:
A kind of rotating boring head, it comprises boring head body 16, boring head cover 11, support strip 10, cutter box 1, thrust ball bearing 15, first deep groove ball bearing 8 and the second deep groove ball bearing 12.First deep groove ball bearing 8 is arranged on boring head body 16 by round nut 7 locking.Boring head body 16 inner hollow, one is weight reduction, and two is the oily passages of mistake when awarding oil as boring bar, and right-hand member is double-head rectangular screw thread, is directly connected with boring bar, and left end installs cutter box 1, and adopts screw dead knife box 1.Boring head body 16 is provided with thrust ball bearing 15, for bearing thrust during boring head axial feed, boring head body 16 is also provided with the first deep groove ball bearing 8 and the second deep groove ball bearing 12, spacing with lining 9 between first deep groove ball bearing 8 and the second deep groove ball bearing 12, connect with baffle ring 14 between second deep groove ball bearing 12 and thrust ball bearing 15, baffle ring 14 transmits the thrust between the second deep groove ball bearing 12 and thrust ball bearing 15.Boring head cover 11 is installed in boring head body 16 outside, and adding man-hour boring head cover 11 can with workpiece rotating Vortex, and six support strip 10 installed by boring head cover 11, and boring head cover 11 is connected with being installed by screw 13 between support strip 10, and support strip 10 is overlapped 11 with boring head and rotated.
The axial load that in boring head process, the first deep groove ball bearing 8 and the second deep groove ball bearing 12 bear, all reprints and gives thrust ball bearing 15, ensure that the radial accuracy of the first deep groove ball bearing 8 and the second deep groove ball bearing 12, improve service life.
A kind of rotating boring head, it also comprises accessory stop pin 17, and when changing support strip 10, stop pin 17 is for being fixed together boring head cover 11 and boring head body 16.Support strip 10 is mainly bearing in process as deep-hole boring head and plays a key effect, the form tolerances such as the stability of guarantee process and workpiece linearity, circularity.In existing deep-hole boring head, support strip 10 often needs to change as consumable accessory, the utility model is when support strip 10 changed by needs, only hole-drilled support strip 10 need be arranged on boring head cover 11, with stop pin 17, boring head cover 11 and boring head body 16 are fixed, adjust the size that cutter box 1 is fixed a cutting tool, automatically support strip 10 is processed to the size the same with cutter by the axial feed of deep-hole boring head by the corner angle of workpiece end face when processing work, eliminate the time being at every turn arranged on independent machine tooling on special tooling, do not need original by the independent turning support strip 10 of special tooling to setting size, and improve support strip 10 dimensional accuracy more than 2 times.Ensure that support strip 10 size and tool dimension fit like a glove, after support strip 10 dimensioned completes, stop pin 17 is extracted, support strip 10 is rotated with processing work.In process, support strip 10 and workpiece rotate simultaneously in opposite directions, and boring head stability is greatly improved.
The left end of boring head body 16 is symmetrically installed with two cutter boxes 1.Due to totally two and symmetrical, cutter box 1 in boring head process, cutter equally also symmetrical direction is contrary, adds man-hour cutting force and to cancel out each other major part.Draw according to actual process data, hilted broadsword or double-pole but at unidirectional cutting force larger than symmetrical cutting force more than 2 times.This structure boring head significantly can reduce cutting force, ensures workpiece linearity and roundness tolerance etc., and adding man-hour can simultaneously two Tool in Cutting, namely increases cutting output, reduces cutting force simultaneously.Boring head body 16 is provided with oil baffle external member 5 in the one end near cutter box 1, oil baffle external member 5 is provided with pressing plate 6, and oil baffle external member 5 and pressing plate 6 are fixed by screw-nut.Oil baffles etc. use as required under oil condition awarded by boring bar, if award oily device to award oil, are pulled down by these parts.Can be used as centering benchmark in the workpiece centering process of the utility model in use heart frame to use, significantly improve clamping workpiece efficiency.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (8)
1. a rotating boring head, it is characterized in that it comprises boring head body (16), boring head cover (11), support strip (10), cutter box (1), thrust ball bearing (15), the first deep groove ball bearing (8) and the second deep groove ball bearing (12), described boring head body (16) inner hollow, one end is directly connected with boring bar, and the relative other end installs cutter box (1), described boring head body (16) is provided with thrust ball bearing (15), for bearing thrust during boring head axial feed, described boring head body (16) is also provided with the first deep groove ball bearing (8) and the second deep groove ball bearing (12), spacing with lining (9) between described first deep groove ball bearing (8) and the second deep groove ball bearing (12), baffle ring (14) is connected with between described second deep groove ball bearing (12) and thrust ball bearing (15), boring head cover (11) is installed in described boring head body (16) outside, adding boring head cover in man-hour (11) can with workpiece rotating Vortex, described boring head cover (11) installs support strip (10).
2. rotating boring head according to claim 1, it is characterized in that: it also comprises accessory stop pin (17), when changing support strip (10), described stop pin (17) is for being fixed together boring head cover (11) and boring head body (16).
3. rotating boring head according to claim 1, is characterized in that: boring head cover (11) and support strip (10) are installed by screw (13) and be connected.
4. rotating boring head according to claim 1, is characterized in that: the first deep groove ball bearing (8) is arranged on boring head body (16) by round nut (7) locking.
5. rotating boring head according to claim 1, is characterized in that: same one end of described boring head body (16) is symmetrically installed with two cutter boxes (1).
6. rotating boring head according to claim 1, is characterized in that: the quantity of described support strip (10) has six.
7. the rotating boring head according to any one of claim 1-6, is characterized in that: described boring head body (16) is provided with oil baffle external member (5) in the one end near cutter box (1).
8. rotating boring head according to claim 7, is characterized in that: described oil baffle external member (5) is provided with pressing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121579.7U CN204603339U (en) | 2015-03-02 | 2015-03-02 | Rotating boring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121579.7U CN204603339U (en) | 2015-03-02 | 2015-03-02 | Rotating boring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204603339U true CN204603339U (en) | 2015-09-02 |
Family
ID=53955926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520121579.7U Expired - Fee Related CN204603339U (en) | 2015-03-02 | 2015-03-02 | Rotating boring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204603339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458314A (en) * | 2015-12-24 | 2016-04-06 | 张家口第一煤矿机械有限公司 | Boring head |
-
2015
- 2015-03-02 CN CN201520121579.7U patent/CN204603339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458314A (en) * | 2015-12-24 | 2016-04-06 | 张家口第一煤矿机械有限公司 | Boring head |
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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: 20150902 Termination date: 20200302 |