CN203282334U - Elastic mandrel for grinding diesel engine conical block - Google Patents
Elastic mandrel for grinding diesel engine conical block Download PDFInfo
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- CN203282334U CN203282334U CN2013202699238U CN201320269923U CN203282334U CN 203282334 U CN203282334 U CN 203282334U CN 2013202699238 U CN2013202699238 U CN 2013202699238U CN 201320269923 U CN201320269923 U CN 201320269923U CN 203282334 U CN203282334 U CN 203282334U
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- diesel engine
- mandrel
- circular cone
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Abstract
The utility model discloses an elastic mandrel for grinding a diesel engine conical block. The elastic mandrel for grinding the diesel engine conical block comprises a mandrel and an expansion gear, wherein one end of the mandrel is provided with an installation handle which is used for being fixed and positioned with a machine head frame of a machine tool is arranged at one end of the mandrel, the other end of the mandrel is provided with a positioning block which is connected with the diesel engine conical block, the positioning block is of a T-shaped structure with the diameter of one end larger than the diameter of the other end, the end, with the small diameter, of the T-shaped structure can be expanded when force is exerted on the end in the radial direction, the expansion gear is inserted into one end, with the small diameter, of the T-shaped structure, and the expansion gear can provide radial force which enables one end, with the small diameter, of the T-shaped structure to expand in the radial direction to. According to the elastic mandrel for grinding the diesel engine conical block, the function that the angle of the diesel engine conical block is changed when the machine head frame of the machine tool is moved is achieved, angle moving does not need to be conducted on a grinding carriage again, the problem that a grinding wheel is struck is solved, through the structure, the angle can be fine adjusted to meet high accuracy requirements, the angle can also be completely adjusted and does not need to be adjusted again, therefore, a large amount of time can be saved, and efficiency and machining quality are improved.
Description
Technical field
The utility model relates to a kind of machined auxiliary mould, particularly a kind of mill elastic central spindle of diesel engine circular cone.
Background technology
The diesel engine circular cone need to refine 7 ° of conical surfaces, the diesel engine circular cone location grinding method that adopts at present is: the diesel engine circular cone is positioned on mandrel, then locate by the mode that adopts the head of a bed and tailstock two thimble, add man-hour by removing machine tool grinding headstock angle, the conical surface connects cutter and processes, this method has 3 deficiencies: one, after removing bistrique frame angle, platen can not move back and forth, and the part straight-line degree of processing is poor; Its two, revise after emery wheel need to move back to 0 ° with the bistrique frame and could operate, revise after complete and again the bistrique frame moved back to 7 ° and process, revises like this an emery wheel and just need to move the bistrique frame 2 times, and again with the ring gauge detection, difficulty is larger, difficult quality control; Its three, the processing conical surface need connect cutter, causes 7 ° of conical surfaces be difficult for to detect, and connects tool marks on the conical surface, easily causes even waste product of substandard components and parts, and long processing time, efficiency are low.
Summary of the invention
In order to make up above deficiency, the utility model provides a kind of mill elastic central spindle of diesel engine circular cone, adopts the mill of diesel engine circular cone with elastic central spindle, the diesel engine circular cone to be processed and can be improved machining accuracy and working (machining) efficiency, cuts down finished cost.
the utility model for the technical scheme that solves its technical problem and adopt is: a kind of mill elastic central spindle of diesel engine circular cone, comprise mandrel and expansion gear, described mandrel one end is provided with one and is the installing handle for machine tool headstock stationary positioned, the mandrel other end is the locating piece that is connected with the diesel engine circular cone, this locating piece is the T shape structure of an end diameter greater than other end diameter, and the end radial force that this T shape diameter of movement is little can extend out, expansion gear is inserted in the little end of T shape diameter of movement, expansion gear provides the radial load that radially extends out can for the little end of T-shaped diameter of movement.
As further improvement of the utility model, the installing handle of described mandrel one end is the truncated cone oblique crank Z of an end diameter less than other end diameter.
As further improvement of the utility model, described installing handle periphery wall is provided with a loop indent locating slot.
As further improvement of the utility model, the structure that the end radial force that described T shape diameter of movement is little can extend out is: the distolateral wall that T shape diameter of movement is little is provided with at least one seam of the cutting along generatrix direction.
As further improvement of the utility model, described expansion gear provides the structure of the radial load that radially extends out to be can for the little end of T-shaped diameter of movement: the end inboard that T shape diameter of movement is little is provided with swollen hole, expansion gear comprises a spherical washer and a connecting bolt, described spherical washer is inserted in the swollen hole of T shape structure, and the axial end of spherical washer and this axial retention location, swollen hole, connecting bolt one end is inserted in the interior also final and T shape structure of spherical washer and is spirally connected, and the connecting bolt head is tight against spherical washer other end end face.
As further improvement of the utility model, described swollen Kong Weiyi end diameter is less than the bellmouth of other end diameter, and this bellmouth one end diameter less than the spherical washer external diameter.
As further improvement of the utility model, also be provided with a flat shim, this flat shim is between spherical washer and connecting bolt head.
Useful technique effect of the present utility model is: the utility model carrys out positioning product by the mandrel locating piece of design flexibility, installing handle and the machine tool headstock by elastic central spindle's one end are fixed, realized the location of product on grinding machine, need not to adopt the locate mode of two thimble, realized moving the machine tool headstock and changed the function of diesel engine circular cone angle, grinding carriage need not to move angle again, has solved sanding wheel problem, platen can move back and forth, and the linearity of part is good; The bistrique frame is removed angle be improved to the machine tool headstock and remove angle, both can reach the high requirement of precision by vernier angle, do not need the angle of resetting again after can once mixing up again, can save a large amount of time like this, improved efficiency, be 0.4h process time before, is increased to now 0.2h; Cancel the conical surface and connect cutter, improved crudy, the part straight-line degree of processing, roughness, tapering, axiality all reach or surmount drawing requirement.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is diesel engine circular cone front view.
The specific embodiment
embodiment: a kind of mill elastic central spindle of diesel engine circular cone, comprise mandrel 1 and expansion gear, described mandrel 1 one ends are provided with one and are the installing handle 11 for machine tool headstock stationary positioned, mandrel 1 other end is the locating piece that is connected with diesel engine circular cone 5, this locating piece is the T shape structure of an end diameter greater than other end diameter, and the end radial force that this T shape diameter of movement is little can extend out, expansion gear is inserted in the little end of T shape diameter of movement, expansion gear provides the radial load that radially extends out can for the little end of T-shaped diameter of movement, during use, installing handle 11 is installed on the machine tool headstock and is fixed together with machine tool chief axis, then diesel engine circular cone 5 is set on locating piece, and make diesel engine circular cone 5 be tight against the step surface that forms between two ends on locating piece, adjusting finally expansion gear radially extends out with 5 swellings of diesel engine circular cone the little end of locating piece diameter, remove angle for this moment the machine tool headstock, can carry out Cylindrical Grinding Processes to diesel engine circular cone 5 after angle adjustment is suitable, this structure has realized moving the machine tool headstock and has changed the function of diesel engine circular cone 5 angles, grinding carriage need not to move angle again, be convenient to diesel engine circular cone 5 conical surface grindings, machining accuracy and working (machining) efficiency have been improved, reduced processing cost.
The installing handle 11 of described mandrel 1 one ends is the truncated cone oblique crank Z of an end diameter less than other end diameter, adopts the Morse's taper design, is convenient to installing handle 11 and installs and clamp with the machine tool headstock.
Described installing handle 11 periphery walls are provided with a loop indent locating slot 12, guarantee installing handle 11 and the rear axially stop of machine tool headstock installation, guarantee connective stability.
The structure that the end radial force that described T shape diameter of movement is little can extend out is: the distolateral wall that T shape diameter of movement is little is provided with at least one seam of the cutting along generatrix direction; the contraction of stitching by cutting realizes collapsing of an end radial diameter that T shape diameter of movement is little with enlarging; can also realize by adopting elastomeric material except this structure; also or by the holding device that radially can slide is set on the little distolateral wall of T shape diameter of movement realize; this type of is all the replacing structure that is equal to of this patent, belongs to this patent protection domain.
described expansion gear provides the structure of the radial load that radially extends out to be can for the little end of T-shaped diameter of movement: the end inboard that T shape diameter of movement is little is provided with swollen hole, expansion gear comprises a spherical washer 4 and a connecting bolt 2, described spherical washer 4 is inserted in the swollen hole of T shape structure, and the axial end of spherical washer 4 and this axial retention location, swollen hole, connecting bolt one end is inserted in the interior also final and T shape structure of spherical washer 4 and is spirally connected, the connecting bolt head is tight against spherical washer 4 other end end faces, oppress spherical washer 4 by connecting bolt, spherical washer 4 is deformed, the end that T-shaped diameter of movement is little swells, except this kind structure, can also be by swollen hole being designed to bellmouth interpolation circular cone, endwisely slip and realize the function that the little end of T shape diameter of movement swells by circular cone.
Described swollen Kong Weiyi end diameter is less than the bellmouth of other end diameter, and this bellmouth one end diameter less than spherical washer 4 external diameters, contact and carry out backstop with spherical washer 4 outer walls by the bellmouth inwall, in addition can be by realize the axial stop to spherical washer 4 at swollen Kong Yiduan setting table terrace.
Also be provided with a flat shim 3, this flat shim 3 between spherical washer 4 and connecting bolt head, reduces while being rotatably connected bolt the friction to spherical washer 4.
Claims (7)
1. the mill elastic central spindle of a diesel engine circular cone, it is characterized by: comprise mandrel (1) and expansion gear, described mandrel (1) one end is provided with one and is the installing handle (11) for machine tool headstock stationary positioned, mandrel (1) other end is the locating piece that is connected with diesel engine circular cone (5), this locating piece is the T shape structure of an end diameter greater than other end diameter, and the end radial force that this T shape diameter of movement is little can extend out, expansion gear is inserted in the little end of T shape diameter of movement, expansion gear provides the radial load that radially extends out can for the little end of T-shaped diameter of movement.
2. the mill elastic central spindle of diesel engine circular cone according to claim 1, it is characterized by: the installing handle (11) of described mandrel (1) one end is the truncated cone oblique crank Z of an end diameter less than other end diameter.
3. the mill elastic central spindle of diesel engine circular cone according to claim 2, it is characterized by: described installing handle (11) periphery wall is provided with a loop indent locating slot (12).
4. the mill elastic central spindle of diesel engine circular cone according to claim 1, it is characterized by: the structure that the end radial force that described T shape diameter of movement is little can extend out is: the distolateral wall that T shape diameter of movement is little is provided with at least one seam of the cutting along generatrix direction.
5. the mill elastic central spindle of diesel engine circular cone according to claim 1, it is characterized by: described expansion gear can provide the structure of the radial load that radially extends out to be to the little end of T-shaped diameter of movement: the end inboard that T shape diameter of movement is little is provided with swollen hole, expansion gear comprises a spherical washer (4) and a connecting bolt (2), described spherical washer (4) is inserted in the swollen hole of T shape structure, and the axial end of spherical washer (4) and this axial retention location, swollen hole, connecting bolt one end is inserted in the interior also final and T shape structure of spherical washer (4) and is spirally connected, the connecting bolt head is tight against spherical washer (4) other end end face.
6. the mill elastic central spindle of diesel engine circular cone according to claim 5 is characterized by: described swollen Kong Weiyi end diameter is less than the bellmouth of other end diameter, and this bellmouth one end diameter less than spherical washer (4) external diameter.
7. the mill elastic central spindle of diesel engine circular cone according to claim 5, it is characterized by: also be provided with a flat shim (3), this flat shim (3) is between spherical washer (4) and connecting bolt head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202699238U CN203282334U (en) | 2013-05-17 | 2013-05-17 | Elastic mandrel for grinding diesel engine conical block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202699238U CN203282334U (en) | 2013-05-17 | 2013-05-17 | Elastic mandrel for grinding diesel engine conical block |
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| Publication Number | Publication Date |
|---|---|
| CN203282334U true CN203282334U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202699238U Expired - Lifetime CN203282334U (en) | 2013-05-17 | 2013-05-17 | Elastic mandrel for grinding diesel engine conical block |
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| Country | Link |
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| CN (1) | CN203282334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162832A (en) * | 2013-05-17 | 2014-11-26 | 昆山江锦机械有限公司 | Elastic mandrel used for grinding conical block of diesel engine |
| CN109333357A (en) * | 2018-11-07 | 2019-02-15 | 哈尔滨广瀚动力技术发展有限公司 | A kind of ball ring-shaped work pieces grinding attachment |
-
2013
- 2013-05-17 CN CN2013202699238U patent/CN203282334U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162832A (en) * | 2013-05-17 | 2014-11-26 | 昆山江锦机械有限公司 | Elastic mandrel used for grinding conical block of diesel engine |
| CN109333357A (en) * | 2018-11-07 | 2019-02-15 | 哈尔滨广瀚动力技术发展有限公司 | A kind of ball ring-shaped work pieces grinding attachment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
|
| CX01 | Expiry of patent term |