CN217990982U - Lathe tool for machining long and thin-walled workpiece - Google Patents
Lathe tool for machining long and thin-walled workpiece Download PDFInfo
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- CN217990982U CN217990982U CN202221655653.XU CN202221655653U CN217990982U CN 217990982 U CN217990982 U CN 217990982U CN 202221655653 U CN202221655653 U CN 202221655653U CN 217990982 U CN217990982 U CN 217990982U
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Abstract
The utility model relates to a lathe frock for processing of long and thin wall spare, the inside of long and thin wall spare is formed with the axial cavity, and this frock includes chuck and locating lever, and the chuck includes the position sleeve body, and the locating lever includes the body of rod, and the one end of the body of rod is connected with the tight subassembly in top, and the tight subassembly in top includes a plurality of mobilizable tight pieces in top, encloses between a plurality of tight pieces in top and closes and form the toper chamber, is provided with the toper ejector pad in the toper chamber, and the toper ejector pad is used for promoting the tight piece in top and removes, the toper ejector pad pass through the screw rod with the body of rod is connected, and screw rod and body of rod are connected through the screw thread, and the tight subassembly in top is used for inserting the one end of axial cavity makes the tight piece in top support on the inner wall of axial cavity, and the position sleeve body is used for inserting the other end of axial cavity. The utility model discloses can effectively realize that long and thin wall spare advances the clamping location, overall structure is simple and convenient operation.
Description
Technical Field
The utility model belongs to the technical field of the machining technique and specifically relates to indicate a lathe frock for processing of long and thin wall spare.
Background
For parts such as slender thin-walled parts, the wall thickness is thin, the length is long, the requirement on accuracy such as coaxiality is high, and when the parts are machined on a lathe, the parts are generally clamped and positioned by means of a clamp tool and then are machined. However, when the existing lathe tool is used for clamping the thin and long thin-walled part, on one hand, the part deformation phenomenon is easy to occur during clamping, on the other hand, the coaxiality requirement cannot be effectively met, and in the machining process, the thin and long thin-walled part is also easy to shake, so that the machining precision cannot be guaranteed. The processing quality of parts cannot be ensured
Therefore, the existing lathe tool cannot effectively clamp and position the slender thin-walled piece, so that the machining efficiency and the machining quality of the part are influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that will solve lies in overcoming the lathe frock among the prior art and can't carry out the defect of effective clamping location to long and thin wall spare.
In order to solve the technical problem, the utility model provides a lathe frock for processing of long and thin wall spare, the inside of long and thin wall spare is formed with the axial cavity, and this frock includes chuck and locating lever, the chuck includes the position sleeve body, the locating lever includes the body of rod, the one end of the body of rod is connected with the tight subassembly in top, the tight subassembly in top includes a plurality of mobilizable tight pieces in top, and is a plurality of enclose between the tight piece in top and close and form the toper chamber, be provided with the toper ejector pad in the toper chamber, the toper ejector pad is used for promoting the tight piece in top removes, the toper ejector pad pass through the screw rod with the body of rod is connected, the screw rod with the body of rod is connected through the screw thread, the tight subassembly in top is used for inserting the one end of axial cavity makes the tight piece in top is supported on the inner wall of axial cavity, the position sleeve body is used for inserting the other end of axial cavity.
In an embodiment of the present invention, a circular truncated cone is disposed on the rod body, the tightening blocks are all connected to the small end of the circular truncated cone, and the rod body is connected to the large end of the circular truncated cone.
The utility model discloses an in the embodiment, be provided with a plurality of mounting grooves on the circular cone platform, the mounting groove with tight piece one-to-one in top, the tight piece in top all can connect in the mounting groove that corresponds with sliding.
In an embodiment of the present invention, a nut is fixed on the rod body, and the screw is screwed in the nut.
In an embodiment of the present invention, the rod body is provided with a mounting hole, and the screw rod is connected to the tapered pushing block after passing through the mounting hole.
In an embodiment of the present invention, the axis of the screw and the axis of the rod body coincide.
The utility model discloses an embodiment, the position sleeve body includes first boss, be connected with the second boss on the first boss, the external diameter of second boss is less than the external diameter of first boss, the second boss is used for inserting in the axial cavity of slender thin wall spare.
In an embodiment of the present invention, the chuck further comprises a claw, and the claw is connected to the first boss.
In an embodiment of the present invention, the positioning sleeve body is a hollow structure.
In an embodiment of the present invention, the positioning sleeve body is mainly formed by enclosing a plurality of separated parts.
Compared with the prior art, the technical scheme of the utility model have following advantage:
a lathe frock for processing of long and thin wall spare, can effectively realize that long and thin wall spare advances clamping location, overall structure is simple and convenient operation.
Drawings
In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of a chuck in a lathe tool for machining an elongated thin-walled workpiece according to the present invention;
fig. 2 is a schematic structural diagram of a positioning rod in the lathe tool for machining the slender thin-walled workpiece according to the present invention;
FIG. 3 is a schematic view of another angle of the positioning rod of FIG. 2;
fig. 4 is a schematic view of the lathe tool of the present invention;
FIG. 5 is a schematic structural view of the elongated thin-walled member of FIG. 4;
the specification reference numbers indicate: 1. an elongated thin-walled member; 11. an axial cavity; 2. a chuck; 21. positioning the sleeve body; 211. a first boss; 212. a second boss; 22. a claw; 3. positioning a rod; 31. a rod body; 32. jacking the assembly; 321. a jacking block; 322. a tapered cavity; 33. a conical push block; 34. a screw; 35. a truncated cone; 351. mounting grooves; 36. and a nut.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 5, the embodiment discloses a lathe tool for processing an elongated thin-walled member 1, an axial cavity 11 is formed inside the elongated thin-walled member 1, the tool includes a chuck 2 and a positioning rod 3, the chuck 2 includes a positioning sleeve 21, the positioning rod 3 includes a rod body 31, and one end of the rod body 31 is connected with a tightening assembly 32;
the jacking assembly 32 comprises a plurality of movable jacking blocks 321, a conical cavity 322 is formed by enclosing the plurality of jacking blocks 321, a conical pushing block 33 is arranged in the conical cavity 322, the conical pushing block 33 is connected with the rod body 31 through a screw 34, and the screw 34 is connected with the rod body 31 through threads;
the tightening assembly 32 is inserted into one end of the axial cavity 11 and makes the tightening block 321 abut against the inner wall of the axial cavity 11, the positioning sleeve 21 is inserted into the other end of the axial cavity 11, and the positioning sleeve 21 is tightly contacted with the inner wall of the axial cavity 11 after being inserted into the axial cavity 11.
In the above structure, the screw 34 moves to drive the tapered pushing block 33 to move linearly, when the tapered pushing block 33 moves in the tapered cavity 322, the plurality of pushing blocks 321 are driven to move outwards to be in an open state, and after the pushing assembly 32 is inserted into the axial cavity 11 of the slender thin-walled part 1, the pushing blocks 321 only need to be opened, so that the pushing blocks 321 can be abutted against the inner wall of the axial cavity 11. One end of the slender thin-walled piece 1 can be effectively positioned through the positioning sleeve body 21 on the chuck 2, and the other end of the slender thin-walled piece 1 can be effectively positioned through the positioning rod 3.
In one embodiment, referring to fig. 2-3, a truncated cone 35 is disposed on the rod 31, the tightening blocks 321 are connected to the small end (the end with the smaller diameter) of the truncated cone 35, and the rod 31 is connected to the large end (the end with the larger diameter) of the truncated cone 35. The structure enables the conical side wall of the cone frustum 35 to be partially inserted into the axial cavity 11, and meanwhile, the exposed part can abut against the outer side of the slender thin-walled piece 1, so that the axial movement of the slender thin-walled piece 1 is better limited.
In one embodiment, referring to fig. 3, a plurality of mounting grooves 351 are formed in the truncated cone 35, the mounting grooves 351 correspond to the tightening blocks 321 one by one, and the tightening blocks 321 are movably connected with the corresponding mounting grooves 351;
the movable connection can adopt the following modes: the tightening blocks 321 are slidably connected in the corresponding mounting grooves 351. In order to ensure the resetting of the tightening block 321, the tightening block 321 and the mounting groove 351 can be connected through a resetting spring.
In one embodiment, a nut 36 is fixed to the rod 31, and the screw 34 is screwed into the nut 36. The rod 31 and the nut 36 rotate together, thereby driving the screw 34 to be screwed in or out.
In one embodiment, the rod 31 is provided with a mounting hole, and the screw 34 passes through the mounting hole and is connected with the conical push block 33.
In one embodiment, the axes of the screw 34 and the rod 31 coincide.
In one embodiment, the positioning sleeve body 21 includes a first boss 211, a second boss 212 is connected to the first boss 211, an outer diameter of the second boss 212 is smaller than an outer diameter of the first boss 211, the second boss 212 is configured to be inserted into the axial cavity 11 of the elongated thin-walled member 1, and the first boss 211 abuts against an outer side of the elongated thin-walled member 1. The structure enables the positioning sleeve body 21 to be step-shaped, and is more beneficial to axial limiting of the slender thin-walled piece 1.
In one embodiment, the chuck 2 further includes a jaw 22, and the jaw 22 is connected to the first boss 211. The jaws 22 are intended to be fixed to a lathe.
In one embodiment, the positioning sleeve 21 is a hollow structure.
In one embodiment, the positioning sleeve 21 is mainly formed by a plurality of separated parts.
The use method of the lathe tool for machining the slender thin-walled workpiece 1 in the embodiment comprises the following steps:
the chuck 2 and the positioning rod 3 are arranged on a lathe, the slender thin-wall part 1 is positioned between the chuck 2 and the positioning rod 3, the jacking component 32 is inserted into one end of the axial cavity 11 of the slender thin-wall part 1 to support and position the end, the positioning sleeve body 21 of the chuck 2 is inserted into the other end of the axial cavity 11 of the slender thin-wall part 1 to support and position the end, then the chuck 2 is driven to rotate, so that the slender thin-wall part 1 is driven to rotate, the slender thin-wall part 1 can drive the positioning rod 3 to rotate, along with the rotation of the positioning rod 3, the screw 34 automatically rotates backwards along the axial direction of the rod body 31, so that the conical push block 33 is driven to move backwards, the jacking block 321 of the jacking component 32 is opened to jack on the inner wall of the axial cavity 11, the clamping and positioning of the slender thin-wall part 1 are realized, and the positioning precision is better.
According to the structure, the positioning sleeve body 21 and the jacking assembly 32 can be used for realizing one-time clamping positioning of the slender thin-wall piece, multiple clamping is not needed, and meanwhile, the jacking block 321 is arranged and is enabled to be opened to be abutted against the inner wall of the axial cavity 11, so that the strength of the middle part of the slender thin-wall piece can be effectively enhanced, and the influence on the machining effect due to vibration in machining is avoided.
The fixture is used for clamping and positioning, so that the stability of the slender thin-wall part is effectively improved, the slender thin-wall part is prevented from vibrating in the machining process, and the coaxiality of the part is effectively guaranteed. The tool is used for clamping and positioning, so that the coaxiality of the excircles in the middle and at two ends of the slender thin-walled piece 1 can reach within 0.02 mm.
The lathe tool for machining the slender thin-walled workpiece in the embodiment can effectively clamp and position the slender thin-walled workpiece; simple structure, convenient operation and safe and reliable, and is convenient for popularization and application.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A lathe frock for processing of slender thin-walled piece, the inside of slender thin-walled piece is formed with axial cavity, its characterized in that: this frock includes chuck and locating lever, the chuck includes the locating sleeve body, the locating lever includes the body of rod, the one end of the body of rod is connected with the tight subassembly in top, the tight subassembly in top includes a plurality of mobilizable tight pieces in top, and is a plurality of enclose between the tight piece in top and close and form the toper chamber, be provided with the toper ejector pad in the toper chamber, the toper ejector pad is used for promoting the tight piece in top removes, the toper ejector pad through the screw rod with the body of rod is connected, the screw rod with the body of rod is connected through the screw thread, the tight subassembly in top is used for inserting the one end of axial cavity makes the tight piece in top is supported on the inner wall of axial cavity, the locating sleeve body is used for inserting the other end of axial cavity.
2. The lathe tooling for elongated thin-walled workpiece machining according to claim 1, characterized in that: the rod body is provided with a cone frustum, the jacking blocks are connected to the small end of the cone frustum, and the rod body is connected to the large end of the cone frustum.
3. A lathe tool for elongate thin walled member processing as claimed in claim 2, wherein: the cone frustum is provided with a plurality of mounting grooves, the mounting grooves correspond to the jacking blocks one by one, and the jacking blocks can be connected in the corresponding mounting grooves in a sliding manner.
4. A lathe tool for elongate thin walled member processing as claimed in claim 1, wherein: a nut is fixed on the rod body, and the screw rod is screwed in the nut.
5. The lathe tooling for elongated thin-walled workpiece machining according to claim 4, characterized in that: the rod body is provided with a mounting hole, and the screw penetrates through the mounting hole and is connected with the conical push block.
6. The lathe tooling for elongated thin-walled workpiece machining according to claim 1, characterized in that: the screw rod and the axis of the rod body are overlapped.
7. The lathe tooling for elongated thin-walled workpiece machining according to claim 1, characterized in that: the positioning sleeve comprises a first boss, a second boss is connected to the first boss, the outer diameter of the second boss is smaller than that of the first boss, and the second boss is used for being inserted into the axial cavity of the slender thin-walled part.
8. The lathe tooling for elongated thin-walled workpiece machining according to claim 7, characterized in that: the chuck further comprises a clamping jaw, and the clamping jaw is connected with the first boss.
9. The lathe tooling for elongated thin-walled workpiece machining according to claim 1, characterized in that: the positioning sleeve body is of a hollow structure.
10. The lathe tooling for elongated thin-walled workpiece machining according to claim 1, characterized in that: the positioning sleeve body is mainly formed by enclosing a plurality of split parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221655653.XU CN217990982U (en) | 2022-06-29 | 2022-06-29 | Lathe tool for machining long and thin-walled workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221655653.XU CN217990982U (en) | 2022-06-29 | 2022-06-29 | Lathe tool for machining long and thin-walled workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217990982U true CN217990982U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221655653.XU Active CN217990982U (en) | 2022-06-29 | 2022-06-29 | Lathe tool for machining long and thin-walled workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217990982U (en) |
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2022
- 2022-06-29 CN CN202221655653.XU patent/CN217990982U/en active Active
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