CN216502378U - Improved spindle structure of lathe for machining excircle of large-cylinder-diameter piston ring - Google Patents
Improved spindle structure of lathe for machining excircle of large-cylinder-diameter piston ring Download PDFInfo
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- CN216502378U CN216502378U CN202122957148.2U CN202122957148U CN216502378U CN 216502378 U CN216502378 U CN 216502378U CN 202122957148 U CN202122957148 U CN 202122957148U CN 216502378 U CN216502378 U CN 216502378U
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- spindle
- main shaft
- pull rod
- cover plate
- extends out
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Abstract
A main shaft improved structure of a lathe for machining the excircle of a large-cylinder-diameter piston ring relates to the field of machine tools and comprises a main shaft supported on a main shaft box, wherein one end of the main shaft extends out of the main shaft box and then is connected with a power device, and the other end of the main shaft extends out of the main shaft box and then is connected with a main shaft leaning disc; a spindle is connected to the spindle leaning disc; the spindle is axially provided with a central hole, a pull rod is arranged in the central hole of the spindle, one end of the pull rod extends out of the spindle and then is connected with an oil cylinder, the other end of the pull rod extends out of the spindle, a spindle leaning disc and a spindle rear thread are connected with a nut, a rear cover plate and a front cover plate are arranged on the spindle, a piston ring is positioned between the rear cover plate and the front cover plate, an insert block is arranged on the inner side of the nut, and the insert block is propped against the front cover plate. The utility model improves the clamping precision and lightens the labor intensity of operators.
Description
Technical Field
The utility model relates to the field of machine tools, in particular to an improved spindle structure of a lathe for machining an excircle of a large-cylinder-diameter piston ring.
Background
The existing lathe for processing the excircle of the large-cylinder-diameter piston ring comprises a lathe body, a spindle box is connected above the lathe body, a spindle is supported in the spindle box, one end of the spindle extends out of the spindle box and then is connected with a power device, the other end of the spindle extends out of the spindle box and then is connected with a spindle leaning disc, a boss is arranged at the end part of the spindle and used for positioning the piston ring, a nut is connected to the spindle, and a wrench is used for manually locking the nut, so that the piston ring is positioned on the boss. The clamping mode has the following defects: 1. and the clamping precision is low. 2. Manual operation increases the workload of the operator.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides an improved structure of a main shaft of a lathe for machining the excircle of a large-cylinder-diameter piston ring, so that the clamping precision is improved, and the labor intensity of an operator is reduced.
The purpose of the utility model is realized as follows: a main shaft improved structure of a large-cylinder-diameter piston ring excircle processing lathe comprises a main shaft supported on a main shaft box, wherein one end of the main shaft extends out of the main shaft box and then is connected with a power device, and the other end of the main shaft extends out of the main shaft box and then is connected with a main shaft leaning disc; a spindle is connected to the spindle leaning disc; the spindle is axially provided with a central hole, a pull rod is arranged in the central hole of the spindle, one end of the pull rod extends out of the spindle and then is connected with an oil cylinder, the other end of the pull rod extends out of the spindle, a spindle leaning disc and a spindle rear thread are connected with a nut, a rear cover plate and a front cover plate are arranged on the spindle, a piston ring is positioned between the rear cover plate and the front cover plate, an insert block is arranged on the inner side of the nut, and the insert block is propped against the front cover plate.
During operation, the oil cylinder extends out to drive the pull rod and the nut to move outwards, and the distance between the main shaft leaning disc and the nut is increased. The piston ring is located between back shroud and the apron, overlaps back shroud, piston ring and apron before with on the dabber, and the internal diameter of back shroud and apron before matches with the external diameter of dabber, consequently back shroud and apron pass through the dabber location, with the inserted block card between apron before and nut, then the hydro-cylinder withdrawal for the inserted block top is tight apron before, and apron before and apron clamp piston ring realizes the clamping. The utility model has the beneficial effects that: the clamping precision is high and is improved from 0.15mm before improvement to less than 0.05 after improvement. The oil pressure clamping mode is balanced and fast, and the labor intensity of operators is reduced.
The pull rod comprises a long pull rod and a short pull rod, one end of the long pull rod extends out of the main shaft and then is connected with a piston rod of the oil cylinder, the other end of the long pull rod extends out of the main shaft and then is connected with the short pull rod, and the nut is arranged on the short pull rod. After long-term use, the pull rod at one end provided with the nut is easy to wear, and after the long pull rod and the short pull rod are designed, the short pull rod is convenient to take down for replacement.
A boss and a groove which are matched with each other are arranged between a main shaft leaning disc and a mandrel.
In order to fix the oil cylinder conveniently, a cylinder barrel of the oil cylinder is connected with a cylinder barrel flange, one end of the main shaft is connected with a main shaft flange, and the main shaft flange is connected with the cylinder barrel flange through a bolt.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure, 1 oil cylinder, 2 cylinder barrel flanges, 3 spindle flanges, 4 spindle boxes, 5 pull rods, 5-1 long pull rods, 5-2 short pull rods, 6 spindles, 7 spindle leaning discs, 8 rear cover plates, 9 piston rings, 10 front cover plates, 11 mandrels, 12 inserting blocks, 13 nuts, 15 center holes, 16 bosses and 17 grooves.
Detailed Description
As shown in figure 1, the improved spindle structure of the lathe for machining the outer circle of the large-cylinder-diameter piston ring comprises a spindle 6 supported on a spindle box 4, wherein one end of the spindle 6 extends out of the spindle box 4 and then is connected with a power device, and the other end of the spindle 6 extends out of the spindle box 4 and then is connected with a spindle leaning disc 7. The spindle is connected with the spindle support disk 7 through a screw 11, a boss 16 is integrally arranged on one side surface of the spindle support disk 7 facing the spindle 11, a groove 17 is arranged on one side of the spindle 11 facing the spindle support disk 7, and as shown in fig. 2, the boss 16 is arranged in the groove 17 in a matched mode, so that the spindle 11 is convenient to mount and position.
One end of the main shaft 6 is provided with an oil cylinder 1, a cylinder barrel of the oil cylinder 1 is connected with a cylinder barrel flange 2, one end of the main shaft 6 is connected with a main shaft flange 3, and the main shaft flange 3 is connected with the cylinder barrel flange 2 through bolts.
A central hole 15 is axially formed in the main shaft 6, a pull rod 5 is arranged in the central hole 15 of the main shaft 6, the pull rod 5 comprises a long pull rod 5-1 and a short pull rod 5-2, one end of the long pull rod 5-1 extends out of one end of the main shaft 6 and then is connected with a piston rod of the oil cylinder 1, the other end of the long pull rod 5-1 extends out of the other end of the main shaft 6 and the main shaft leaning disc 7 and then is connected with the short pull rod 5-2, and the short pull rod 5-2 extends out of the core shaft 11 and then is in threaded connection with a nut 13.
A rear cover plate 8 and a front cover plate 10 are arranged on a mandrel 11, the rear cover plate 8 is arranged on the outer side of a main shaft close to a disc 7, the front cover plate 10 is arranged on the inner side of a nut 13, a piston ring 9 is positioned between the rear cover plate 8 and the front cover plate 10, an insertion block 12 is arranged between the front cover plate 10 and the nut 13, and the insertion block 12 is abutted against the front cover plate 10.
During operation, the oil cylinder 1 extends out to drive the pull rod 5 and the nut 13 to move outwards, and the distance between the main shaft leaning disc 7 and the nut 13 is increased. Piston ring 9 is located between 8 and the front shroud of back shroud, with back shroud 8, piston ring 9 and front shroud 10 cover on dabber 11, the internal diameter of back shroud 8 and front shroud 10 cooperatees with the external diameter of dabber 11, consequently back shroud 8 and front shroud 10 pass through dabber 11 location, with inserted block 12 card between front shroud 10 and nut 13, then hydro-cylinder 1 withdrawal for inserted block 12 pushes up front shroud 10, front shroud 10 and back shroud 8 press from both sides tight piston ring 9, realize the clamping.
Claims (4)
1. The improved structure of the main shaft of the lathe for machining the excircle of the large-cylinder-diameter piston ring comprises a main shaft supported on a main shaft box, wherein one end of the main shaft extends out of the main shaft box and then is connected with a power device, and the other end of the main shaft extends out of the main shaft box and then is connected with a main shaft leaning disc; the method is characterized in that: a spindle is connected to the spindle leaning disc; the spindle is axially provided with a central hole, a pull rod is arranged in the central hole of the spindle, one end of the pull rod extends out of the spindle and then is connected with an oil cylinder, the other end of the pull rod extends out of the spindle, a spindle leaning disc and a spindle rear thread are connected with a nut, a rear cover plate and a front cover plate are arranged on the spindle, a piston ring is positioned between the rear cover plate and the front cover plate, an insert block is arranged on the inner side of the nut, and the insert block is propped against the front cover plate.
2. The improved spindle structure of the lathe for machining the outer circle of the large-cylinder-diameter piston ring as claimed in claim 1, wherein the improved spindle structure comprises: the pull rod comprises a long pull rod and a short pull rod, one end of the long pull rod extends out of the main shaft and then is connected with a piston rod of the oil cylinder, the other end of the long pull rod extends out of the main shaft and then is connected with the short pull rod, and the nut is arranged on the short pull rod.
3. The improved spindle structure of the lathe for machining the outer circle of the large-cylinder-diameter piston ring as claimed in claim 1, wherein the improved spindle structure comprises: and a boss and a groove which are matched with each other are arranged between the main shaft leaning disc and the mandrel.
4. The improved spindle structure of the lathe for machining the outer circle of the large-cylinder-diameter piston ring as claimed in claim 1, wherein: the cylinder barrel of the oil cylinder is connected with a cylinder barrel flange, one end of the main shaft is connected with a main shaft flange, and the main shaft flange is connected with the cylinder barrel flange through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122957148.2U CN216502378U (en) | 2021-11-30 | 2021-11-30 | Improved spindle structure of lathe for machining excircle of large-cylinder-diameter piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122957148.2U CN216502378U (en) | 2021-11-30 | 2021-11-30 | Improved spindle structure of lathe for machining excircle of large-cylinder-diameter piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216502378U true CN216502378U (en) | 2022-05-13 |
Family
ID=81463660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122957148.2U Active CN216502378U (en) | 2021-11-30 | 2021-11-30 | Improved spindle structure of lathe for machining excircle of large-cylinder-diameter piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216502378U (en) |
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2021
- 2021-11-30 CN CN202122957148.2U patent/CN216502378U/en active Active
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