CN214392396U - Eccentric fine boring cutter for semi-circular hole of crosshead - Google Patents
Eccentric fine boring cutter for semi-circular hole of crosshead Download PDFInfo
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- CN214392396U CN214392396U CN202120482852.4U CN202120482852U CN214392396U CN 214392396 U CN214392396 U CN 214392396U CN 202120482852 U CN202120482852 U CN 202120482852U CN 214392396 U CN214392396 U CN 214392396U
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Abstract
The utility model relates to an eccentric finish boring cutter of cross head semicircle orifice, including the lathe handle of a knife, the handle of a knife extension rod of being connected with the lathe handle of a knife, the finish boring mechanism of being connected with the handle of a knife extension rod and the eccentric finish boring head of being connected with the finish boring mechanism, the car cutter arbor of installing on eccentric finish boring head can slide on eccentric finish boring head along the direction perpendicular to eccentric finish boring head axial, be equipped with the fixed establishment of fixed car cutter arbor and the adjustment mechanism of adjusting car cutter arbor position on eccentric finish boring head; the diamond turning tool bit is arranged on the turning tool rod. This application fine boring cutter adopts eccentric fine boring head, lathe tool pole and the mode that rhombus lathe tool piece combined together, has solved current cutter when processing cross head inner chamber semicircle orifice, and the cutter can not pass the problem of cross head side pinhole processing inner chamber semicircle orifice, has improved production efficiency greatly, and this kind of cross head semicircle orifice eccentric fine boring cutter can finely tune through adjusting bolt, and the machining precision is higher, can satisfy different machining dimension, and the machining dimension scope is wider.
Description
Technical Field
The utility model relates to a cross head processing technology field specifically indicates an eccentric finish boring cutter of cross head semicircle orifice.
Background
The crosshead is a part connecting the piston and the connecting rod and has a guiding function. Because the pinhole of cross head both sides is less with the difference of inner chamber semicircle orifice size, and most all are that both sides pinhole size is less, and inner chamber semicircle orifice size is great to and consider that the pinhole is located inner chamber semicircle orifice both sides and this kind of peculiar structure of slot between the two, when processing cross head inner chamber semicircle orifice, need the cutter to pass the pinhole of cross head side and then carry out the processing of inner chamber semicircle orifice, and the general required precision of inner chamber semicircle orifice is higher.
The existing cutter technology has certain defects, some cutters can penetrate through the pin holes but cannot process the semicircular holes of the inner cavity, some cutters can process the semicircular holes of the inner cavity but cannot penetrate through the pin holes on the side surfaces, the conventional mode needs to assemble cutters in the inner cavity of the crosshead, and the production efficiency is greatly reduced.
Therefore, the eccentric fine boring cutter is designed, the cutter can pass through the pin hole on the side face at one time, then the inner cavity semicircular hole is machined, the size of the boring hole can be finely adjusted through the adjusting bolt, and the production efficiency is greatly improved on the premise of ensuring the machining precision.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide an eccentric finish boring cutter of cross head semicircle orifice.
The utility model is realized by the following technical scheme, the utility model provides a crosshead semicircular hole eccentric finish boring cutter, which comprises a machine tool shank, a shank extension rod connected with the machine tool shank, a finish boring mechanism connected with the shank extension rod and an eccentric finish boring head connected with the finish boring mechanism, wherein a lathe tool bar arranged on the eccentric finish boring head can slide on the eccentric finish boring head along the direction vertical to the axial direction of the eccentric finish boring head, and the eccentric finish boring head is provided with a fixing mechanism for fixing the lathe tool bar and an adjusting mechanism for adjusting the position of the lathe tool bar; the diamond turning tool bit is arranged on the turning tool rod.
Preferably, the diamond turning insert is fixed on the turning tool bar by a screw.
Preferably, the machine tool shank and the shank extension rod are positioned through the seam allowance and connected through the first assembling bolt.
Preferably, the tool shank extension rod and the fine boring mechanism are positioned through the spigot and connected through the second assembling bolt.
Preferably, the fine boring mechanism is provided with a positioning pin connected with an eccentric fine boring head, and the eccentric fine boring head is provided with a positioning groove for inserting the positioning pin; the eccentric fine boring head is provided with a countersunk hole, the connecting bolt sequentially penetrates through the countersunk hole and the positioning pin and extends into an assembly groove of the fine boring mechanism, and the fine boring mechanism is in threaded connection with a fastening bolt for tightly propping the connecting bolt.
Preferably, a through hole for inserting the lathe tool bar is formed in the eccentric fine boring head, the fixing mechanism is a fixing bolt, the fixing bolt is in threaded connection with the eccentric fine boring head, and the fixing bolt tightly abuts against the lathe tool bar to fix the lathe tool bar.
Preferably, the adjusting mechanism is an adjusting bolt, the turning tool rod is inserted into one end of the through hole, and the adjusting bolt is in threaded connection with the other end of the through hole.
The utility model has the advantages that:
1. this application fine boring cutter adopts eccentric fine boring head, lathe tool pole and the mode that rhombus lathe tool piece combined together, has solved current cutter when processing cross head inner chamber semicircle orifice, and the cutter can not pass the problem of cross head side pinhole processing inner chamber semicircle orifice, has improved production efficiency greatly, and this kind of cross head semicircle orifice eccentric fine boring cutter can finely tune through adjusting bolt, and the machining precision is higher, can satisfy different machining dimension, and the machining dimension scope is wider.
2. The turning tool bar can be outwards ejected by rotating the adjusting bolt through the adjusting bolt, so that the operation length of the turning tool bar is changed, different machining sizes are met, and the machining size range is wider.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the right-hand side view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
shown in the figure:
1. the lathe tool comprises a machine tool shank, 2, a tool shank extension rod, 3, a first assembling bolt, 4, a fine boring mechanism, 5, a fastening bolt, 6, an eccentric fine boring head, 7, a tool turning rod, 8, a screw, 9, a diamond turning blade, 10, a fixing bolt, 11, an adjusting bolt, 12, a second assembling bolt, 13, a connecting bolt, 14, a positioning pin, 15 and an assembling groove.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1-3, the utility model discloses a lathe handle of a knife 1, the handle of a knife extension rod 2 of being connected with lathe handle of a knife 1, the fine boring mechanism 4 of being connected with handle of a knife extension rod 2 and the eccentric fine boring head 6 of being connected with fine boring mechanism 4, car cutter arbor 7 installed on eccentric fine boring head 6 can slide on eccentric fine boring head 6 along the 6 axial direction of eccentric fine boring head of perpendicular to, be equipped with the fixed establishment of fixed car cutter arbor 7 and the adjustment mechanism who adjusts car cutter arbor 7 position on eccentric fine boring head 6. A diamond turning blade 9 is arranged on the turning tool rod 7, and the diamond turning blade 9 is fixed on the turning tool rod 7 through a screw 8.
The machine tool shank 1 and the shank extension rod 2 are positioned through a spigot and connected through a first assembling bolt 3, and the shank extension rod 2 and the fine boring mechanism 4 are positioned through the spigot and connected through a second assembling bolt 12. The fine boring mechanism 4 is of an existing structure and is of an NBH2084 fine boring unit.
The fine boring mechanism 4 is provided with a positioning pin 14 connected with the eccentric fine boring head 6, and the eccentric fine boring head 6 is provided with a positioning groove for inserting the positioning pin 14. The eccentric fine boring head 6 is provided with a countersunk hole, the connecting bolt 13 sequentially penetrates through the countersunk hole and the positioning pin 14 and extends into an assembly groove 15 of the fine boring mechanism 4, and the fine boring mechanism 4 is in threaded connection with a fastening bolt 5 for jacking the connecting bolt 13.
A through hole (not marked in the figure) for inserting the lathe tool bar 7 is arranged on the eccentric fine boring head 6, the fixing mechanism is a fixing bolt 10, the fixing bolt 10 is in threaded connection with the eccentric fine boring head 6, and the fixing bolt 10 tightly pushes the lathe tool bar 7 to realize the fixation of the lathe tool bar 7. The fixing bolt 10 is plural.
The adjusting mechanism is an adjusting bolt 11, the turning tool rod 7 is inserted into one end of the through hole, and the adjusting bolt 11 is in threaded connection with the other end of the through hole. The turning adjusting bolt 11 can be pushed out of the lathe tool bar 7 through the adjusting bolt 11, so that the operation length of the lathe tool bar 7 is changed, different machining sizes are met, and the machining size range is wider.
This application fine boring cutter adopts eccentric fine boring head 6, lathe tool pole 7 and rhombus lathe tool piece 9 mode that combines together, has solved current cutter when processing cross head inner chamber semicircle orifice, and the cutter can not pass the problem of cross head side pinhole processing inner chamber semicircle orifice, has improved production efficiency greatly, and this kind of cross head semicircle orifice eccentric fine boring cutter can finely tune through adjusting bolt 11, and the machining precision is higher, can satisfy different machining dimension, and the machining dimension scope is wider.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides an eccentric finish boring cutter in cross head semicircle orifice which characterized in that: the eccentric fine boring machine comprises a machine tool shank, a shank extension rod connected with the machine tool shank, a fine boring mechanism connected with the shank extension rod and an eccentric fine boring head connected with the fine boring mechanism, wherein a turning tool bar arranged on the eccentric fine boring head can slide on the eccentric fine boring head along a direction vertical to the axial direction of the eccentric fine boring head, and a fixing mechanism for fixing the turning tool bar and an adjusting mechanism for adjusting the position of the turning tool bar are arranged on the eccentric fine boring head; the diamond turning tool bit is arranged on the turning tool rod.
2. The crosshead semi-circular hole eccentric fine boring cutter according to claim 1, characterized in that: the rhombic turning blade is fixed on the turning tool rod through a screw.
3. The crosshead semi-circular hole eccentric fine boring cutter according to claim 1, characterized in that: the machine tool shank and the shank extension rod are positioned through the seam allowance and connected through a first assembling bolt.
4. The crosshead semi-circular hole eccentric fine boring cutter according to claim 3, characterized in that: the cutter handle extension rod is positioned with the fine boring mechanism through the spigot and connected through a second assembling bolt.
5. The crosshead semi-circular hole eccentric fine boring cutter according to claim 1, characterized in that: the fine boring mechanism is provided with a positioning pin connected with an eccentric fine boring head, and the eccentric fine boring head is provided with a positioning groove for inserting the positioning pin; the eccentric fine boring head is provided with a countersunk hole, the connecting bolt sequentially penetrates through the countersunk hole and the positioning pin and extends into an assembly groove of the fine boring mechanism, and the fine boring mechanism is in threaded connection with a fastening bolt for tightly propping the connecting bolt.
6. The crosshead semi-circular hole eccentric fine boring cutter according to claim 1, characterized in that:
the eccentric fine boring head is provided with a through hole for inserting a lathe tool bar, the fixing mechanism is a fixing bolt, the fixing bolt is in threaded connection with the eccentric fine boring head, and the fixing bolt tightly pushes the lathe tool bar to realize the fixation of the lathe tool bar.
7. The crosshead semi-circular hole eccentric fine boring cutter according to claim 1, characterized in that:
the adjusting mechanism is an adjusting bolt, the turning tool rod is inserted into one end of the through hole, and the adjusting bolt is in threaded connection with the other end of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120482852.4U CN214392396U (en) | 2021-03-07 | 2021-03-07 | Eccentric fine boring cutter for semi-circular hole of crosshead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120482852.4U CN214392396U (en) | 2021-03-07 | 2021-03-07 | Eccentric fine boring cutter for semi-circular hole of crosshead |
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| Publication Number | Publication Date |
|---|---|
| CN214392396U true CN214392396U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120482852.4U Active CN214392396U (en) | 2021-03-07 | 2021-03-07 | Eccentric fine boring cutter for semi-circular hole of crosshead |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310324A (en) * | 2021-12-20 | 2022-04-12 | 芜湖泓鹄材料技术有限公司 | Real-model lost foam semicircle orifice perforating device |
-
2021
- 2021-03-07 CN CN202120482852.4U patent/CN214392396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310324A (en) * | 2021-12-20 | 2022-04-12 | 芜湖泓鹄材料技术有限公司 | Real-model lost foam semicircle orifice perforating device |
| CN114310324B (en) * | 2021-12-20 | 2023-11-07 | 芜湖泓鹄材料技术有限公司 | Perforating device for semicircular holes of solid lost foam |
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