CN202517366U - Deep-hole bottom surface grinding tool - Google Patents
Deep-hole bottom surface grinding tool Download PDFInfo
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- CN202517366U CN202517366U CN2012201769972U CN201220176997U CN202517366U CN 202517366 U CN202517366 U CN 202517366U CN 2012201769972 U CN2012201769972 U CN 2012201769972U CN 201220176997 U CN201220176997 U CN 201220176997U CN 202517366 U CN202517366 U CN 202517366U
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- grinding
- grinding head
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- hole
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Abstract
The utility model discloses a deep-hole bottom surface grinding tool. The deep-hole bottom surface grinding tool comprises a grinding rod, a grinding head, an elastic piece and a grinding sleeve, wherein the grinding head is positioned at one end of the grinding rod and can be inclined toward four mutually vertical directions which are perpendicular to the axis of the grinding rod; the other end of the grinding rod can be inserted into the grinding sleeve along a set distance of axial sliding of the grinding rod; the elastic piece is fixed in the grinding sleeve; and the other end of the grinding rod is pressed against one end of the elastic piece. The grinding tool ensures the close attachment of the grinding head and a ground surface and the grinding strength; the grinding tool which is arranged on a machining center for grinding operation is particularly applicable to the machining of parts which have relatively high requirements on the roughness and flatness of deep-hole bottom planes, a ground plane can also be machined even if the ground plane is greater than an orifice, and the machining center is used for doing interpolation motion according to the contour of the plane; and meanwhile, the grinding tool which rotates to realize the grinding operation has a simple structure, and is high in grinding accuracy and grinding speed.
Description
Technical field
The utility model relates to a kind of milling tool, particularly a kind of deep hole bottom surface milling tool.
Background technology
This milling tool is applicable to the part that processing has following characteristic: orifice diameter is less and the hole is darker, but baseplane, hole roughness and flatness have relatively high expectations, and is bigger through the roughness of common turnning and milling processing metapore baseplane, must use milling tool to grind.
There is following defective in common milling tool when processing this type of part: because the aperture is less, and the hole is darker, and milling tool need go deep into grinding in the hole, so the milling bar diameter must be less than the aperture.Can't guarantee its rigidity when the milling bar diameter is too small, in the process of lapping vibration bigger, grinding effect is relatively poor, and can not be worked into whole plane.
The utility model content
In order to remedy above deficiency, the utility model provides a kind of deep hole bottom surface milling tool, and the abradant surface of this deep hole bottom surface milling tool can fit tightly with the deep hole bottom surface, guarantees grinding precision.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of deep hole bottom surface milling tool; Comprise milling bar, grinding head, elastic component and grinding sleeve; Said grinding head is positioned milling bar one end; Grinding head can orthogonal direction tilt towards four of vertical lapping rod axis; The said milling bar other end can be inserted in the grinding sleeve along its setpoint distance that endwisely slips, and is fixed with an elastic component in the said grinding sleeve, and the said milling bar other end is tight against elastic component one end.
Further improvement as the utility model; The structure that can be towards four of the vertical lapping rod axis orthogonal direction of said grinding head tilts is: milling bar one end is provided with a hinged projection; Said this hinged projection be provided with one with axially vertical perforation of milling bar; Grinding head is provided with the groove that supplies this hinged projection to plant; Be respectively equipped with connecting hole and screwed hole on the groove two side of grinding head, also be provided with connecting bolt, connecting bolt wore the connecting hole of grinding head and the perforation of hinged projection and the screwed hole of final and grinding head and was spirally connected; Exist between the inboard end wall of the end wall of said hinged projection one end and the groove of grinding head and set the gap, the horn-like structure of perforation openings at two ends for increasing gradually on the said hinged projection along the milling bar axial dimension.
As the further improvement of the utility model, be respectively equipped with a pair of inclined-plane dorsad on the perforation openings at two ends on the said hinged projection, this is to the axioversion of inclined-plane along grinding shaft, and the angle of inclination is 15 °.
Further improvement as the utility model; The said milling bar other end can be along the structure that its setpoint distance that endwisely slips is inserted in the grinding sleeve: milling bar is provided with along its axial strip hole; The circular hole corresponding on the grinding sleeve with this strip hole; Be provided with alignment pin, said alignment pin is inserted in the strip hole of circular hole and milling bar of grinding sleeve.
As the further improvement of the utility model, said elastic component is a spring.
As the further improvement of the utility model, said grinding head is cylindrical, and a grinding head end face of milling bar dorsad is an abradant surface.
As the further improvement of the utility model, the grid of four intersections is set on the said abradant surface.
The useful technique effect of the utility model is: the utility model axially can elastic movement through milling bar, guarantees grinding head and is guaranteed the grinding dynamics simultaneously by fitting tightly of abradant surface, and grinding head can be adjusted the angle of inclination at four direction automatically in certain scope; Guarantee grinding head with by the applying degree of ground flat; The utility model is installed in the milling tool that carries out grinding operation on the machining center, is particularly useful for the part that deep hole processing baseplane roughness and flatness are had relatively high expectations, even ground flat also can be processed greater than the aperture; Carry out moving interpolation by machining center by the profile on plane; Milling tool self rotation simultaneously, thereby the milling tool of realization grinding operation, it is simple in structure; Grinding precision is high, and grinding rate is fast.
Description of drawings
Fig. 1 is the structural principle sketch map of the utility model;
Fig. 2 is an A portion enlarged drawing among Fig. 1;
Fig. 3 is the abradant surface structural representation of the utility model;
Fig. 4 is the hinged projection cube structure principle enlarged drawing of milling bar one end;
Fig. 5 is the user mode sketch map of the utility model;
Fig. 6 is the structure chart of part among the embodiment;
Fig. 7 is the right view of Fig. 6.
The specific embodiment
Embodiment: a kind of deep hole bottom surface milling tool; Comprise milling bar 1, grinding head 2, elastic component 3 and grinding sleeve 4, said grinding head 2 is positioned milling bar 1 one ends, and grinding head 2 can orthogonal direction tilt towards four of vertical lapping bar 1 axis; Said milling bar 1 other end can be inserted in the grinding sleeve 4 along its setpoint distance that endwisely slips; Be fixed with an elastic component 3 in the said grinding sleeve 4, said milling bar 1 other end is tight against elastic component 3 one ends, and milling bar 1 top is tight against elastic component 3; Continue to get in the hole at grinding head 2 milling tool when being contacted just by ground flat; This moment, elastic component 3 was in compressive state gradually, guarantee grinding head 2 with by the fitting tightly of ground flat, and milling tool is to being applied certain pressure by ground flat.According to the roughness situation after grinding, amount of contraction that can regulating spring increases or reduces 2 pairs of grinding heads by the pressure of ground flat, and grinding head 2 is effectively ground all the time during use.General structural steel grinds the back roughness can be to Ra0.8, and keeps the perpendicularity behind the part last process constant, improves the flatness of part simultaneously; By ground flat when relatively poor with respect to the perpendicularity of interior axially bored line, grinding head 2 can be adjusted the angle of inclination at four direction automatically in certain scope, guarantee grinding head 2 with by the applying degree of ground flat.
The structure that can be towards four of the vertical lapping bar 1 axis orthogonal direction of said grinding head 2 tilts is: milling bar 1 one ends are provided with a hinged projection 5; Said this hinged projection 5 be provided with one with milling bar 1 axial vertical perforation; Grinding head 2 is provided with the groove that supplies this hinged projection 5 to plant; Be respectively equipped with connecting hole and screwed hole on the groove two side of grinding head 2; Also be provided with connecting bolt 6; Connecting bolt 6 wore the connecting hole of grinding head 2 and the perforation of hinged projection 5 and the screwed hole of final and grinding head 2 and was spirally connected, and existed between the inboard end wall of the end wall of said hinged projection 5 one ends and the groove of grinding head 2 and set the gap, the horn-like structure of perforation openings at two ends for increasing gradually along milling bar 1 axial dimension on the said hinged projection 5; So just realized that grinding head 2 is in when work tilt adjustments all around; Guarantee the applying degree with the deep hole abradant surface, except this kind structure can also be through the bulb articulated structure, this type of is equal to the replacement structure for those skilled in that art according to what this patent can be expected.
Be respectively equipped with a pair of inclined-plane dorsad on the perforation openings at two ends on the said hinged projection 5, this is to the axioversion 7 of inclined-plane along grinding shaft, and the angle of inclination is 15 °.
Said milling bar 1 other end can be along the structure that its setpoint distance that endwisely slips is inserted in the grinding sleeve 4: milling bar 1 is provided with along its axial strip hole 8; The circular hole corresponding on the grinding sleeve 4 with this strip hole 8; Be provided with alignment pin 9; Said alignment pin 9 is inserted in the strip hole 8 of circular hole and milling bar 1 of grinding sleeve 4; Realizing the function of spacing slip, can also be that the syndeton through slideway and limited block realizes except this structure, and this type of is equal to the replacement structure for those skilled in that art according to what this patent can be expected.
Said elastic component 3 is a spring.
Said grinding head 2 is cylindrical, and grinding head 2 end face of milling bar 1 dorsad is an abradant surface, and during use, grinding head 2 diameters are selected less than by the aperture minimum dimension 1-2mm of ground flat.
The grid of four intersections is set on the said abradant surface.
The part 10 that grinds with needs is the method for using of this milling tool of example explanation, and a square aperture 11 is arranged on the part 10, and the baseplane, hole 12 that needs to grind uses this milling tool following to the concrete steps that part grinds greater than aperture 11:
Step 1: milling tool is contained on the machining center, coats grinding agent and oil in grinding head 2 lower surfaces with on by ground flat 12;
Step 2: move the machining center main shaft,, move down milling tool, make milling tool get into the part endoporus with axially bored line in the milling tool axis alignment part;
Step 3: grinding head 2 lower surfaces are when just being contacted by ground flat 12, and spring is in free state, continues to move down milling tool, makes spring be in compressive state, to being applied certain pressure by ground flat 12;
Step 4: move the machining center main shaft, make axially bored line in the milling tool axis runout part, by being moved grinding by the profile of ground flat 12;
Step 5: after grinding finished, the milling tool that moves up shifted out the part endoporus with it, can accomplish the grinding of a part like this.
Claims (7)
1. deep hole bottom surface milling tool; It is characterized by: comprise milling bar (1), grinding head (2), elastic component (3) and grinding sleeve (4); Said grinding head (2) is positioned milling bar (1) one end; Grinding head (2) can orthogonal direction tilt towards four of vertical lapping bar (1) axis; Said milling bar (1) other end can be inserted in the grinding sleeve (4) along its setpoint distance that endwisely slips, and is fixed with an elastic component (3) in the said grinding sleeve (4), and said milling bar (1) other end is tight against elastic component (3) one ends.
2. deep hole according to claim 1 bottom surface milling tool; It is characterized by: the structure that can be towards four of vertical lapping bar (1) the axis orthogonal direction of said grinding head (2) tilts is: milling bar (1) one end is provided with a hinged projection (5); Said this hinged projection (5) be provided with one with axially vertical perforation of milling bar (1); Grinding head (2) is provided with the groove that this hinged projection (5) of confession is planted; Be respectively equipped with connecting hole and screwed hole on the groove two side of grinding head (2); Also be provided with connecting bolt (6); Connecting bolt (6) wore the connecting hole of grinding head (2) and the perforation of hinged projection (5) and the screwed hole of final and grinding head (2) and was spirally connected, and existed between the inboard end wall of the groove of the end wall of said hinged projection (5) one ends and grinding head (2) and set the gap, and said hinged projection (5) is gone up the horn-like structure of perforation openings at two ends for increasing gradually along milling bar (1) axial dimension.
3. deep hole according to claim 2 bottom surface milling tool is characterized by: be respectively equipped with a pair of inclined-plane dorsad on the perforation openings at two ends on the said hinged projection (5), this is to the axioversion (7) of inclined-plane along grinding shaft, and the angle of inclination is 15 °.
4. deep hole according to claim 1 bottom surface milling tool; It is characterized by: said milling bar (1) other end can be along the structure that its setpoint distance that endwisely slips is inserted in the grinding sleeve (4): milling bar (1) is provided with along its axial strip hole (8); Grinding sleeve (4) is gone up and the corresponding circular hole of this strip hole (8); Be provided with alignment pin (9), said alignment pin (9) is inserted in the strip hole (8) of circular hole and milling bar (1) of grinding sleeve (4).
5. deep hole according to claim 1 bottom surface milling tool is characterized by: said elastic component (3) is a spring.
6. deep hole according to claim 1 bottom surface milling tool is characterized by: said grinding head (2) is for cylindrical, and grinding head (a 2) end face of milling bar (1) dorsad is an abradant surface.
7. deep hole according to claim 1 bottom surface milling tool is characterized by: the grid that four intersections are set on the said abradant surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201769972U CN202517366U (en) | 2012-04-24 | 2012-04-24 | Deep-hole bottom surface grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201769972U CN202517366U (en) | 2012-04-24 | 2012-04-24 | Deep-hole bottom surface grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202517366U true CN202517366U (en) | 2012-11-07 |
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ID=47100334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201769972U Expired - Fee Related CN202517366U (en) | 2012-04-24 | 2012-04-24 | Deep-hole bottom surface grinding tool |
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| Country | Link |
|---|---|
| CN (1) | CN202517366U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100962A (en) * | 2013-01-06 | 2013-05-15 | 中国计量学院 | Grinding device for threaded measuring hole inner end surface |
| CN103372808A (en) * | 2012-04-24 | 2013-10-30 | 昆山江锦机械有限公司 | Deep hole bottom surface grinding tool |
| CN104669079A (en) * | 2013-11-28 | 2015-06-03 | 张弘 | Circular arc surface edge grinding device of cylindrical component |
| CN104742010A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院上海技术物理研究所 | High-precision deep-hole grinding core rod of plastic grinding body |
-
2012
- 2012-04-24 CN CN2012201769972U patent/CN202517366U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372808A (en) * | 2012-04-24 | 2013-10-30 | 昆山江锦机械有限公司 | Deep hole bottom surface grinding tool |
| CN103100962A (en) * | 2013-01-06 | 2013-05-15 | 中国计量学院 | Grinding device for threaded measuring hole inner end surface |
| CN104669079A (en) * | 2013-11-28 | 2015-06-03 | 张弘 | Circular arc surface edge grinding device of cylindrical component |
| CN104742010A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院上海技术物理研究所 | High-precision deep-hole grinding core rod of plastic grinding body |
| CN104742010B (en) * | 2015-03-31 | 2017-03-15 | 中国科学院上海技术物理研究所 | A kind of plastics grind body High-precision Deep Hole grinds plug |
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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 |
Granted publication date: 20121107 Termination date: 20160424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |