CN213496521U - Double-chuck spindle structure of numerical control lathe - Google Patents
Double-chuck spindle structure of numerical control lathe Download PDFInfo
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- CN213496521U CN213496521U CN202022521478.2U CN202022521478U CN213496521U CN 213496521 U CN213496521 U CN 213496521U CN 202022521478 U CN202022521478 U CN 202022521478U CN 213496521 U CN213496521 U CN 213496521U
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- chuck
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- assembly
- spindle
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Abstract
The utility model provides a numerical control lathe's double-chuck main shaft structure, includes main shaft assembly, main shaft assembly includes the main shaft and is located the main shaft chuck No. one of main shaft both sides, its characterized in that: the pneumatic chuck assembly comprises a pneumatic chuck body, a taper sleeve seat, a chassis and a flange adapter, wherein the pneumatic chuck body comprises a shell, a clamping tool, a second spindle chuck and a pneumatic taper sleeve, the clamping tool is positioned in the shell, the second spindle chuck is sleeved in the first spindle chuck, a buffer spring is arranged between the pneumatic taper sleeve and the chassis, a first air pipe joint and a second air pipe chuck which are communicated with the inside of the pneumatic chuck body are arranged on the shell, and an air flow channel is formed between the inner wall of the shell and the pneumatic taper sleeve. The utility model has the advantages of being simple in structure and convenient in operation, machining precision height.
Description
Technical Field
The utility model relates to a numerical control processing technology field especially relates to a numerical control lathe's double collet spindle structure.
Background
A numerical control machining lathe is an automatic part machining device with high precision and high efficiency. For cutting and machining two ends of some slender rod pieces, the existing machining mode is that one end of the slender rod piece is clamped firstly, the slender rod piece is machined to a required size, then the end part is fixed, and then the other end of the slender rod piece is machined.
Disclosure of Invention
The utility model aims at overcoming the defect and not enough of prior art, providing a numerical control lathe's that simple structure, convenient operation, machining precision are high double-chuck main shaft structure.
In order to achieve the above purpose, the technical solution of the utility model is that: the utility model provides a numerical control lathe's double-chuck main shaft structure, includes main shaft assembly, main shaft assembly includes the main shaft and is located the main shaft chuck No. one of main shaft both sides, its characterized in that: the pneumatic chuck assembly comprises a pneumatic chuck body, a taper sleeve seat, a chassis and a flange adapter, wherein the pneumatic chuck body comprises a shell, a clamping tool, a second spindle chuck and a pneumatic taper sleeve, the clamping tool, the second spindle chuck and the pneumatic taper sleeve are positioned in the shell, a buffer spring is arranged between the pneumatic taper sleeve and the chassis, a first air pipe joint and a second air pipe chuck which are communicated with the inside of the pneumatic chuck body are arranged on the shell, and an air flow channel is formed between the inner wall of the shell and the pneumatic taper sleeve.
The pneumatic chuck assembly is matched with the spindle assembly through a conical surface of a flange adapter, and the second spindle chuck is matched with the pneumatic taper sleeve through a conical surface.
And an elastic collet is arranged on the inner side of the clamping tool.
The spindle assembly and the pneumatic chuck assembly are detachably connected together.
Compared with the prior art, the utility model, have following advantage:
1. the utility model discloses well main shaft subassembly and pneumatic chuck subassembly pass through flange adapter conical surface cooperation, and the screw fastening can guarantee around the main shaft chuck with the axle center to guarantee the machining precision.
2. The utility model discloses well pneumatic chuck subassembly can be dismantled, to simple work piece only need main shaft chuck centre gripping work piece cut can, can satisfy multiple type of parts machining.
Drawings
Fig. 1 is a first schematic structural diagram (external schematic structural diagram) of the present invention.
Fig. 2 is a schematic structural diagram (sectional view) of the present invention.
In the figure: the pneumatic chuck assembly comprises a spindle assembly 1, a spindle 2, a first spindle chuck 3, a pneumatic chuck assembly 4, a pneumatic chuck body 5, a taper sleeve seat 6, a chassis 7, a flange adapter 8, a shell 9, a clamping tool 10, a second spindle chuck 11, a pneumatic taper sleeve 12, a buffer spring 13, a first air pipe connector 14, a second air pipe chuck 15, an air flow channel 16 and an elastic collet chuck 17.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-2, a double-chuck spindle structure of a numerically controlled lathe comprises a spindle assembly 1, the spindle assembly 1 includes a spindle 2 and a first spindle chuck 3 located at two sides of the spindle 2, two ends of the spindle assembly 1 are respectively provided with a coaxially designed pneumatic chuck assembly 4, the pneumatic chuck assembly 4 and the spindle assembly 1 are in conical surface fit and detachable connection through a flange adapter 8, the pneumatic chuck assembly 4 includes a pneumatic chuck body 5, a taper sleeve seat 6, a chassis 7 and a flange adapter 8, the pneumatic chuck body 5 includes a housing 9, and a clamping tool 10, a second spindle chuck 11 and a pneumatic taper sleeve 12 located in the housing 9, an elastic collet 17 is arranged at the inner side of the clamping tool 10, the second spindle chuck 11 and the pneumatic taper sleeve 12 are in conical surface fit, a buffer spring 13 is arranged between the pneumatic taper sleeve 12 and the chassis 7, the shell 9 is provided with a first air pipe joint 14 and a second air pipe joint 15 which are communicated with the interior of the pneumatic chuck body 5, and an air flow channel 16 is formed between the inner wall of the shell 9 and the pneumatic taper sleeve 12.
The utility model discloses when the installation, pass through 8 conical surface cooperations back screw fastening connections of flange adapter with main shaft assembly 1 and pneumatic chuck subassembly 4, rectify the pneumatic taper sleeve 12 holes and the end face run-out at 2 both ends of main shaft, connect a main shaft chuck 3 and No. two main shaft chucks 11 with the axle center of guaranteeing 2 both ends of main shaft through the conical surface, main shaft chuck 3 at 2 both ends of main shaft can be the main aspects external diameter and the tip external diameter of centre gripping combination step axle class part respectively at different manufacturing procedure.
When a workpiece is machined, the workpiece is placed into the first spindle chuck 3 at the corresponding end according to the size of the workpiece to clamp one end of the workpiece, when the first air pipe joint 14 is ventilated, the pneumatic taper sleeve 12 moves leftwards under the air pressure to be separated from the first spindle chuck 3 and the second spindle chuck 11, the workpiece is loosened, when the second air pipe joint 15 is ventilated, the pneumatic taper sleeve 12 moves rightwards under the air pressure to extrude the first spindle chuck 3 and the second spindle chuck 11 and clamp the workpiece. The buffer spring 13 buffers the impact of the flange adapter 8 with the chassis 7. The combined stepped shaft parts are respectively fixed on a first main shaft chuck 3 and a second main shaft chuck 11 through a clamping tool 10 and an elastic collet 17, and high-rigidity and high-precision cutting processing of the large end and the small end of the combined stepped shaft parts is respectively carried out.
Claims (4)
1. The utility model provides a numerical control lathe's double-chuck main shaft structure, includes main shaft assembly (1), main shaft assembly (1) includes main shaft (2) and is located main shaft chuck (3) of main shaft (2) both sides, its characterized in that: the pneumatic chuck assembly (4) of coaxial design is provided with respectively at the both ends of main shaft assembly (1), pneumatic chuck assembly (4) include pneumatic chuck body (5), taper sleeve seat (6), chassis (7) and flange adapter (8), pneumatic chuck body (5) include shell (9) and be located centre gripping frock (10), No. two main shaft chucks (11), pneumatic taper sleeve (12) of shell (9), be provided with buffer spring (13) between pneumatic taper sleeve (12) and chassis (7), be provided with No. one air pipe connector (14) and No. two air pipe chucks (15) that are linked together with pneumatic chuck body (5) inside on shell (9), form air current passageway (16) between shell (9) inner wall and the pneumatic taper sleeve (12).
2. The double-collet spindle structure of a numerically controlled lathe as claimed in claim 1, wherein: the pneumatic chuck assembly (4) is in conical surface fit with the spindle assembly (1) through a flange adapter (8), and the second spindle chuck (11) is in conical surface fit with the pneumatic taper sleeve (12).
3. The double-collet spindle structure of a numerically controlled lathe as claimed in claim 1, wherein: and an elastic collet chuck (17) is arranged on the inner side of the clamping tool (10).
4. The double-collet spindle structure of a numerically controlled lathe as claimed in claim 1, wherein: the spindle assembly (1) and the pneumatic chuck assembly (4) are detachably connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521478.2U CN213496521U (en) | 2020-11-04 | 2020-11-04 | Double-chuck spindle structure of numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521478.2U CN213496521U (en) | 2020-11-04 | 2020-11-04 | Double-chuck spindle structure of numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213496521U true CN213496521U (en) | 2021-06-22 |
Family
ID=76420520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022521478.2U Active CN213496521U (en) | 2020-11-04 | 2020-11-04 | Double-chuck spindle structure of numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213496521U (en) |
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2020
- 2020-11-04 CN CN202022521478.2U patent/CN213496521U/en active Active
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