CN219805414U - Eccentric deep hole machining device for shaft workpiece - Google Patents
Eccentric deep hole machining device for shaft workpiece Download PDFInfo
- Publication number
- CN219805414U CN219805414U CN202321000721.3U CN202321000721U CN219805414U CN 219805414 U CN219805414 U CN 219805414U CN 202321000721 U CN202321000721 U CN 202321000721U CN 219805414 U CN219805414 U CN 219805414U
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- workpiece
- center line
- eccentric
- sleeve
- balancing weight
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- 238000003754 machining Methods 0.000 title claims abstract description 13
- 230000005484 gravity Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an eccentric deep hole machining device for shaft workpieces, which comprises a lathe spindle, a four-jaw chuck, a middle carriage and a workpiece, wherein one end of the workpiece is clamped by the four-jaw chuck; the center line of the eccentric hole to be processed of the workpiece coincides with the center line of the lathe spindle, a balance weight sleeve is sleeved outside the middle part of the workpiece and fixedly connected with the workpiece through more than three set screws, a fixed balancing weight is fixedly connected with the balance weight sleeve, and the eccentric hole is positioned between the center line of the workpiece and the fixed balancing weight; the middle carriage is fixedly arranged on the tool rest, a drill bit is fixedly arranged on the tool rest, and the center line of the drill bit is coincident with the center line of the eccentric hole; the utility model can meet the processing requirements of long workpieces and large strokes of drills and improve the processing efficiency.
Description
Technical Field
The utility model relates to an eccentric deep hole machining device, in particular to an eccentric deep hole machining device for shaft workpieces.
Background
At present, a drilling machine is mainly used for eccentric hole machining, but when an axle workpiece is used for eccentric deep hole machining, the length of the workpiece is long, the travel of a drill bit is vertical, the eccentric hole is difficult to install on the drilling machine, the machining is difficult, and the machining efficiency is affected.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide an eccentric deep hole processing device for shaft workpieces, which can meet the processing requirements of long workpieces and large strokes of drills and improve the processing efficiency.
In order to achieve the purpose, the eccentric deep hole machining device for the shaft workpiece comprises a lathe spindle, a four-jaw chuck, a middle carriage and a workpiece, wherein one end of the workpiece is clamped by the four-jaw chuck; the device is characterized in that the center line of an eccentric hole to be machined of a workpiece coincides with the center line of a lathe spindle, a balance weight sleeve is sleeved outside the middle part of the workpiece, the balance weight sleeve is fixedly connected with the workpiece through more than three set screws, a fixed balancing weight is fixedly connected with the balance weight sleeve, and the eccentric hole is positioned between the center line of the workpiece and the fixed balancing weight; the middle carriage is fixedly arranged on the tool rest, a drill bit is fixedly arranged on the tool rest, and the center line of the drill bit is coincident with the center line of the eccentric hole.
The four-jaw chuck can realize that the center line of the eccentric hole of the workpiece coincides with the center line of the lathe spindle; during machining, the lathe spindle and the four-jaw chuck drive the workpiece to rotate, and the middle carriage drives the drill bit to do feeding motion, so that an eccentric hole can be machined; the device is arranged on a lathe in a horizontal processing mode, the balance weight sleeve and the fixed balancing weight can ensure the dynamic balance of a workpiece, improve the rigidity, meet the processing requirements of long workpieces and large strokes of a drill bit, and are convenient to install and process and can improve the processing efficiency;
as a further improvement of the utility model, the fixed balancing weight is internally provided with a mounting groove, the mounting groove is internally provided with an adjustable balancing weight, and a connecting screw penetrates through the fixed balancing weight and the adjustable balancing weight to be connected with the balance weight sleeve; different workpieces can adjust the gravity center position of the counterweight by changing the adjustable weight, so as to meet the requirement of dynamic balance;
as a further improvement of the utility model, the other end of the workpiece is sleeved with a supporting sleeve, the supporting sleeve is fixedly connected with the workpiece through more than three set screws, the center of the outer circle of the supporting sleeve is positioned on the center line of the eccentric hole, and the supporting sleeve is sleeved in the lathe center frame; for longer workpieces, the rigidity of the supporting sleeve can be improved, and the processing quality is further improved;
in conclusion, the utility model can meet the processing requirements of long workpieces and large strokes of drills and improve the processing efficiency.
Drawings
Fig. 1 is a front view of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a sectional view of B-B of fig. 1.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, an eccentric deep hole processing device for shaft-like workpieces of this embodiment includes a lathe spindle 1, a four-jaw chuck 2, a lathe center frame 3, a middle carriage 4, and a workpiece 5 having one end held by the four-jaw chuck 2; the center line of an eccentric hole 10 to be processed of the workpiece 5 coincides with the center line of the lathe spindle 1, a balance weight sleeve 6 is sleeved outside the middle part of the workpiece 5, the balance weight sleeve 6 is fixedly connected with the workpiece 5 through two rows of three set screws 15 in each row, a fixed balancing weight 7 is fixedly connected with the balance weight sleeve 6 in a welding way, a mounting groove is formed in the fixed balancing weight 7, an adjustable weight 8 is arranged in the mounting groove, and a connecting screw 9 is connected with the balance weight sleeve 8 through the fixed balancing weight 7 and the adjustable weight 8; the eccentric hole 10 is positioned between the center line of the workpiece 5 and the fixed balancing weight 7; the other end of the workpiece 5 is sleeved with a supporting sleeve 11, the supporting sleeve 11 is fixedly connected with the workpiece 5 through a plurality of set screws 12, the circle center of the outer circle of the supporting sleeve 11 is positioned on the center line of the eccentric hole 10, and the supporting sleeve 11 is arranged in the lathe center frame 3; the middle carriage 4 is fixedly arranged on the tool rest 13, the tool rest 13 is fixedly provided with an extension drill bit 14, and the center line of the extension drill bit 14 coincides with the center line of the eccentric hole 10.
The four-jaw chuck 2 can realize that the center line of the eccentric hole 10 of the workpiece 5 coincides with the center line of the lathe spindle 1, and the gravity center position of the counterweight is adjusted by fixing the counterweight 7 and adjusting the counterweight 8 according to the eccentric position; during processing, the lathe spindle 1 and the four-jaw chuck 2 drive the workpiece 5 to rotate, and the middle carriage 4 drives the drill bit 14 to do feeding motion, so that an eccentric hole 10 can be processed; the device is arranged on a lathe in a horizontal processing mode, the balance weight sleeve 6, the fixed weight 7 and the adjustable weight 8 can ensure the dynamic balance of a workpiece and improve the rigidity, and for a longer workpiece 5, the support sleeve 11 can improve the rigidity and further improve the processing quality, can meet the processing requirements of long workpieces and large strokes of a drill bit, is convenient to install and process and can improve the processing efficiency; different workpieces can adjust the gravity center position of the counterweight by changing the adjustable counterweight 8, thereby meeting the requirement of dynamic balance.
Claims (3)
1. An eccentric deep hole machining device for shaft workpieces comprises a lathe spindle, a four-jaw chuck, a middle carriage and a workpiece with one end clamped by the four-jaw chuck; the device is characterized in that the center line of an eccentric hole to be machined of a workpiece coincides with the center line of a lathe spindle, a balance weight sleeve is sleeved outside the middle part of the workpiece, the balance weight sleeve is fixedly connected with the workpiece through more than three set screws, a fixed balancing weight is fixedly connected with the balance weight sleeve, and the eccentric hole is positioned between the center line of the workpiece and the fixed balancing weight; the middle carriage is fixedly arranged on the tool rest, a drill bit is fixedly arranged on the tool rest, and the center line of the drill bit is coincident with the center line of the eccentric hole.
2. The eccentric deep hole machining device for shaft workpieces according to claim 1, wherein the fixed balancing weight is internally provided with a mounting groove, the mounting groove is internally provided with an adjustable balancing weight, and a connecting screw penetrates through the fixed balancing weight and the adjustable balancing weight to be connected with the balance weight sleeve.
3. The eccentric deep hole processing device for shaft workpieces according to claim 1 or 2, wherein a supporting sleeve is sleeved outside the other end of the workpiece, the supporting sleeve is fixedly connected with the workpiece through more than three set screws, the circle center of the outer circle of the supporting sleeve is positioned on the center line of the eccentric hole, and the supporting sleeve is sleeved in a lathe center frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000721.3U CN219805414U (en) | 2023-04-28 | 2023-04-28 | Eccentric deep hole machining device for shaft workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321000721.3U CN219805414U (en) | 2023-04-28 | 2023-04-28 | Eccentric deep hole machining device for shaft workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805414U true CN219805414U (en) | 2023-10-10 |
Family
ID=88212512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321000721.3U Active CN219805414U (en) | 2023-04-28 | 2023-04-28 | Eccentric deep hole machining device for shaft workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805414U (en) |
-
2023
- 2023-04-28 CN CN202321000721.3U patent/CN219805414U/en active Active
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