CN213004836U - Fine-adjustment floating positioning mechanism for machining diesel engine cylinder body - Google Patents
Fine-adjustment floating positioning mechanism for machining diesel engine cylinder body Download PDFInfo
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- CN213004836U CN213004836U CN202021471487.9U CN202021471487U CN213004836U CN 213004836 U CN213004836 U CN 213004836U CN 202021471487 U CN202021471487 U CN 202021471487U CN 213004836 U CN213004836 U CN 213004836U
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- cylinder body
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Abstract
The utility model discloses a fine-tuning floating positioning mechanism for processing a diesel engine cylinder body, wherein a cylindrical groove-shaped lower supporting groove is formed at the bottom of a positioning shaft sleeve; an upper supporting groove in the shape of a cylindrical groove is formed on the upper side wall of the lower supporting groove; a left limiting hole and a right limiting hole are respectively formed at the left end and the right end of the lower part of the upper supporting groove; a guide cylindrical pin is inserted between the left limiting hole and the right limiting hole; the upper part of the positioning shaft is formed into an upper positioning part matched with the upper supporting groove, and the lower part of the positioning shaft is formed into a lower positioning part matched with the lower supporting groove; a moving avoidance groove which penetrates left and right is formed at the upper part of the positioning shaft; the guide cylindrical pin is movably arranged in the movable avoidance groove; the top of the movable avoidance groove vertically penetrates through the movable avoidance groove and is in screwed connection with a flat-end fastening screw; the top of the lower supporting groove is provided with an adjusting hole which penetrates through the upper part and the lower part; the upper part of the positioning shaft is sleeved with a pressure spring; the utility model has the advantages that: can carry out effectual location and the adjustment of micro-floating to the cylinder body, avoid the top to incline and owing to the location leads to the inaccuracy of processing location.
Description
Technical Field
The utility model relates to a technical field of engine cylinder body processing location, concretely relates to unsteady positioning mechanism is finely tuned in diesel engine cylinder body processing.
Background
The cylinder block is a core component in the piston engine, and the function of the cylinder block is to connect bridges of all components, and the cylinder block needs to bear large impact vibration and high temperature and high pressure, so that the requirements on the strength and the support of the cylinder block in the design are high. Because the quality of cylinder block machining is related to the power and running characteristics of an engine, cylinder block machining plays an important role in the machining and manufacturing processes of the engine. Considering the location characteristics of cylinder body processing, need guarantee the machining precision of cylinder body bottom surface and tang at cylinder body conveying to next process processing earlier stage to guarantee that the cylinder body reaches the required quality requirement in subsequent processing, common positioner simple structure and the easy top is inclined to one side, can't play quick fine setting and float and push up tight location.
SUMMERY OF THE UTILITY MODEL
The utility model aims at to common positioner simple structure and easy top partially, can't play quick fine setting and the tight technical problem who fixes a position in unsteady top, provide a diesel engine cylinder body processing fine setting positioning mechanism that floats.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a fine-tuning floating positioning mechanism for processing a diesel engine cylinder body comprises a positioning unit; the positioning unit comprises a positioning sleeve and a positioning shaft; the positioning sleeve vertically penetrates through and is fixed on the supporting plate of the clamp body; a positioning shaft sleeve is vertically and movably arranged in the positioning sleeve; a cylindrical groove-shaped lower supporting groove is formed at the bottom of the positioning shaft sleeve; an upper supporting groove in the shape of a cylindrical groove is formed on the upper side wall of the lower supporting groove; the upper supporting groove and the lower supporting groove are coaxially arranged, and the diameter of the upper supporting groove is smaller than that of the lower supporting groove; a left limiting hole and a right limiting hole are respectively formed at the left end and the right end of the lower part of the upper supporting groove; a guide cylindrical pin is inserted between the left limiting hole and the right limiting hole; the upper part of the positioning shaft is formed into an upper positioning part matched with the upper supporting groove, and the lower part of the positioning shaft is formed into a lower positioning part matched with the lower supporting groove; a moving avoidance groove which penetrates left and right is formed at the upper part of the positioning shaft; the guide cylindrical pin is movably arranged in the movable avoidance groove; the top of the movable avoidance groove vertically penetrates through the movable avoidance groove and is in screwed connection with a flat-end fastening screw; an adjusting hole which penetrates through the upper part and the lower part is formed at the top of the upper supporting groove; the upper part of the positioning shaft is sleeved with a pressure spring; the upper end of the pressure spring abuts against the upper side wall of the lower support groove, and the lower end of the pressure spring abuts against the upper end face of the lower part of the positioning shaft; the upper end of the positioning shaft sleeve is detachably connected with a positioning pin.
Preferably, an adjusting pad is arranged between the positioning pin and the positioning shaft sleeve.
Preferably, the positioning pin is fixed to the upper end of the positioning sleeve by a pair of socket head cap screws.
Preferably, in the above-described aspect, the adjustment driving groove in the shape of a regular hexagon groove is formed in the upper end surface of the flat-end clinch screw.
Preferably, as the technical scheme, a threaded hole is formed in the right end face of the guide cylindrical pin.
Preferably, the diameter of the adjusting hole is larger than the diameter of the flat-end binding screw.
Preferably, the positioning pin has various shapes and sizes meeting the requirements of cylinder processing.
The beneficial effects of the utility model reside in that: can carry out effectual location and the adjustment of micro-floating to the cylinder body, avoid the top to incline and owing to the location leads to the inaccuracy of processing location.
Drawings
Fig. 1 is a schematic structural view of a cross section of the present invention;
FIG. 2 is a schematic structural view of the present invention;
in the figure, 10, a clamp body supporting plate; 20. a positioning unit; 21. a positioning sleeve; 22. positioning the shaft sleeve; 220. An upper support groove; 221. a lower support groove; 222. a left limiting hole and a right limiting hole; 223. an adjustment hole; 23. a guide cylindrical pin; 24. positioning the shaft; 241. a mobile avoidance slot; 25. a pressure spring; 26. flat end clinch screws; 260. adjusting the driving groove; 27. positioning pins; 28. hexagon socket head cap screw.
Detailed Description
As shown in fig. 1 and 2, a fine tuning floating positioning mechanism for processing a diesel engine cylinder comprises a positioning unit 20; the positioning unit 20 comprises a positioning sleeve 21 and a positioning shaft 24; the positioning sleeve 21 vertically penetrates through and is fixed on the fixture body supporting plate 10; a positioning shaft sleeve 22 is vertically and movably arranged in the positioning sleeve 21; a lower supporting groove 221 in the shape of a cylindrical groove is formed at the bottom of the positioning shaft sleeve 22; an upper supporting groove 220 in the shape of a cylindrical groove is formed on the upper side wall of the lower supporting groove 221; both the upper support groove 220 and the lower support groove 221 are coaxially disposed and the diameter of the upper support groove 220 is smaller than that of the lower support groove 221; left and right limiting holes 222 are respectively formed at the left and right ends of the lower part of the upper supporting groove 220; a guide cylindrical pin 23 is inserted between the pair of left and right limiting holes 222; the upper portion of the positioning shaft 24 is formed as an upper positioning portion engaged with the upper support groove 220, and the lower portion is formed as a lower positioning portion engaged with the lower support groove 221; a moving avoiding groove 241 penetrating left and right is formed at the upper part of the positioning shaft 24; the guide cylindrical pin 23 is movably arranged in the movement avoiding groove 241; the top of the moving avoiding groove 241 vertically penetrates through and is screwed with a flat-end fastening screw 26; an adjusting hole 223 penetrating up and down is formed at the top of the upper supporting groove 220; the upper part of the positioning shaft 24 is sleeved with a pressure spring 25; the upper end of the pressure spring 25 abuts against the upper side wall of the lower support groove 221, and the lower end abuts against the upper end face of the lower part of the positioning shaft 24; the upper end of the positioning shaft sleeve 22 is detachably connected with a positioning pin 27.
As shown in fig. 1 and 2, an adjustment pad is provided between the positioning pin 27 and the positioning boss 22.
As shown in fig. 1 and 2, a positioning pin 27 is fixed to the upper end of the positioning boss 22 by a pair of socket head cap screws 28.
As shown in fig. 1, an adjustment driving groove 260 having a regular hexagonal groove shape is formed on the upper end surface of the flat-end fastening screw 26.
As shown in fig. 1, a threaded hole is formed in the right end surface of the guide cylindrical pin 23.
As shown in FIG. 1, the diameter of the adjustment aperture 223 is greater than the diameter of the flat-ended set screw 26.
As shown in fig. 1 and 2, the positioning pin 27 has various shapes and sizes that satisfy the cylinder block processing.
The working principle of the fine-tuning floating positioning mechanism for processing the diesel engine cylinder body is that;
during adjustment, the positioning pin 27 is taken down, and then the flat-end tacking screw 26 is rotated by passing a screwdriver through the adjusting hole 223, so that the flat-end tacking screw 26 abuts against the guide cylindrical pin 23, and the relative positions of the positioning shaft 24 and the positioning shaft sleeve 22, namely the pressure of the pressure spring 25, can be adjusted;
before processing, push the cylinder body into anchor clamps, act on location axle 24 by forcing mechanism, location axle 24 promotes pressure spring 25, and pressure spring 25 acts on location axle sleeve 22 and locating pin 27, sells into the cylinder body with locating pin 27 and can effectively adjust and float the top tightly the position of cylinder body, and this just makes the cylinder body by accurate location for the location is more accurate reliable.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a diesel engine cylinder body processing fine setting positioning mechanism that floats which characterized in that: comprises a positioning unit (20); the positioning unit (20) comprises a positioning sleeve (21) and a positioning shaft (24); the positioning sleeve (21) vertically penetrates through and is fixed on the supporting plate (10) of the fixture body; a positioning shaft sleeve (22) is vertically and movably arranged in the positioning sleeve (21); a lower supporting groove (221) in the shape of a cylindrical groove is formed at the bottom of the positioning shaft sleeve (22); an upper supporting groove (220) in the shape of a cylindrical groove is formed on the upper side wall of the lower supporting groove (221); the upper support groove (220) and the lower support groove (221) are coaxially arranged, and the diameter of the upper support groove (220) is smaller than that of the lower support groove (221); a left limiting hole and a right limiting hole (222) are respectively formed at the left end and the right end of the lower part of the upper supporting groove (220); a guide cylindrical pin (23) is inserted between the left limiting hole and the right limiting hole (222); the upper part of the positioning shaft (24) is formed into an upper positioning part matched with the upper supporting groove (220), and the lower part is formed into a lower positioning part matched with the lower supporting groove (221); a moving avoiding groove (241) which penetrates through the positioning shaft (24) from left to right is formed at the upper part of the positioning shaft; the guide cylindrical pin (23) is movably arranged in the movable avoidance groove (241); the top of the movable avoiding groove (241) vertically penetrates through and is in threaded connection with a flat-end fastening screw (26); an adjusting hole (223) which penetrates through the upper support groove (220) from top to bottom is formed at the top of the upper support groove; the upper part of the positioning shaft (24) is sleeved with a pressure spring (25); the upper end of the pressure spring (25) abuts against the upper side wall of the lower support groove (221), and the lower end abuts against the upper end face of the lower part of the positioning shaft (24); the upper end of the positioning shaft sleeve (22) is detachably connected with a positioning pin (27).
2. The fine-tuning floating positioning mechanism for the machining of the diesel engine cylinder body according to claim 1, characterized in that: an adjusting pad is arranged between the positioning pin (27) and the positioning shaft sleeve (22).
3. The fine-tuning floating positioning mechanism for the machining of the diesel engine cylinder body according to claim 1, characterized in that: the positioning pin (27) is fixed at the upper end of the positioning shaft sleeve (22) through a pair of inner hexagonal socket head cap screws (28).
4. The fine-tuning floating positioning mechanism for the machining of the diesel engine cylinder body according to claim 1, characterized in that: an adjusting driving groove (260) in the shape of a regular hexagon groove is formed on the upper end surface of the flat-end fastening screw (26).
5. The fine-tuning floating positioning mechanism for the machining of the diesel engine cylinder body according to claim 1, characterized in that: a threaded hole is formed in the right end face of the guide cylindrical pin (23).
6. The fine-tuning floating positioning mechanism for the machining of the diesel engine cylinder body according to claim 1, characterized in that: the diameter of the adjustment hole (223) is larger than the diameter of the flat-end set screw (26).
7. The fine-tuning floating positioning mechanism for the machining of the diesel engine cylinder body according to claim 1, characterized in that: the positioning pin (27) has various shapes and sizes that satisfy the cylinder block processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021471487.9U CN213004836U (en) | 2020-07-23 | 2020-07-23 | Fine-adjustment floating positioning mechanism for machining diesel engine cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021471487.9U CN213004836U (en) | 2020-07-23 | 2020-07-23 | Fine-adjustment floating positioning mechanism for machining diesel engine cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213004836U true CN213004836U (en) | 2021-04-20 |
Family
ID=75517692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021471487.9U Active CN213004836U (en) | 2020-07-23 | 2020-07-23 | Fine-adjustment floating positioning mechanism for machining diesel engine cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213004836U (en) |
-
2020
- 2020-07-23 CN CN202021471487.9U patent/CN213004836U/en active Active
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