CN215845784U - Clamping structure for machining blade parts - Google Patents
Clamping structure for machining blade parts Download PDFInfo
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- CN215845784U CN215845784U CN202120603773.4U CN202120603773U CN215845784U CN 215845784 U CN215845784 U CN 215845784U CN 202120603773 U CN202120603773 U CN 202120603773U CN 215845784 U CN215845784 U CN 215845784U
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- claw
- positioning
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- female
- jaw
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Abstract
The utility model provides a clamping structure for processing blade parts, which comprises a three-jaw component fixedly arranged on a lathe chuck and a revolving body part clamped on the three-jaw component, wherein the three-jaw component comprises a first jaw body, a second jaw body and a third jaw body; the first claw body, the second claw body and the third claw body are distributed at an angle of 120 degrees; the first claw body, the second claw body and the third claw body are respectively provided with a positioning structure; the revolving body part is internally and annularly provided with a plurality of blades, the positioning structures on the first claw body, the second claw body and the third claw body are respectively inserted between the blades in the revolving body part, so that the clamping structure for the blade parts is realized, the clamping structure is simple, the operation is convenient, the three claws and the blades are positioned in the same die assembly, and the inner cavity outline with basically consistent material flow speed in the casting process is positioned and clamped.
Description
Technical Field
The utility model relates to the technical field of machining of mechanical parts, in particular to a clamping structure for machining blade parts.
Background
For casting revolving body parts with blades, the machining scheme adopted is as follows: the first procedure usually adopts end face positioning, soft three-jaw clamping of an excircle for processing, and turning of an inner hole and an end face; the second procedure is to position the machined inner hole and turn the outer circle and the end face of the other end. The profile degree of the blade relative to the processed excircle depends on the profile degree of the blade relative to the excircle of the blank in the casting process. However, in the blank casting process, the contour surface of the inner cavity and the outer circular surface are not formed by the same die assembly, the flow direction and the flow speed of the materials of the inner cavity and the outer circular surface are inconsistent, the profile tolerance of the blade of the blank relative to the outer circular surface is poor, the casting tolerance accumulates the tolerance in the machining process, and the requirement of the profile tolerance of the product is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clamping structure for processing blade parts, which is simple in structure and convenient to operate, so that three claws and blades are positioned in the same die assembly, and the flow speed of materials in the casting process is basically consistent in positioning and clamping of the inner cavity profile.
The utility model is realized by the following technical scheme:
a clamping structure for machining blade parts comprises a three-jaw assembly fixedly mounted on a lathe chuck and a revolving body part clamped on the three-jaw assembly, wherein the three-jaw assembly comprises a first jaw body, a second jaw body and a third jaw body; the first claw body, the second claw body and the third claw body are distributed at an angle of 120 degrees; the first claw body, the second claw body and the third claw body are respectively provided with a positioning structure; a plurality of blades are annularly arranged in the revolving body part, and the positioning structures on the first claw body, the second claw body and the third claw body are respectively inserted among the blades in the revolving body part, so that the clamping structure of the blade part is realized.
Preferably, the positions of the positioning structures of the first claw body, the second claw body and the third claw body are respectively provided corresponding to the blades provided in the revolving body component.
Preferably, the first claw body comprises a first claw body sub-claw and a first claw body female claw, one side of the first claw body female claw is fixed on a lathe chuck through a screw, a concave spigot is arranged on the other side of the first claw body female claw, and the first claw body sub-claw is positioned on the concave spigot in a mortise-tenon mode and is fixedly connected through the screw.
Furthermore, the end face of the first claw body claw is set as a positioning end face and used for axially positioning the revolving body part, and a positioning excircle is arranged on the positioning end face; the positioning excircle is arranged between the blades inserted into the revolving body part.
Preferably, the second claw body comprises a second claw body sub-claw and a second claw body female claw, one side of the second claw body female claw is fixed on the lathe chuck through a screw, a concave spigot is arranged on the other side of the second claw body female claw, and the second claw body sub-claw is positioned on the concave spigot in a mortise-tenon mode and is fixedly connected through the screw.
Furthermore, the end face of the second claw body claw is set as a positioning end face and used for axially positioning the revolving body part, and a positioning excircle is arranged on the positioning end face; the positioning excircle is inserted between the blades in the revolving body part.
Preferably, the third jaw body comprises a third jaw body sub-jaw and a third jaw body female jaw, one side of the third jaw body female jaw is fixed on the lathe chuck through a screw, a concave spigot is arranged on the other side of the third jaw body female jaw, and the third jaw body sub-jaw is positioned on the concave spigot in a mortise-tenon mode and is fixedly connected through a screw.
Further, the end face of the third claw body claw is set as a positioning end face for axial positioning of the revolving body part, and a positioning excircle is arranged on the positioning end face; the positioning excircle is inserted between the blades in the revolving body part.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a clamping structure for processing blade parts, which clamps the blade parts through a three-jaw assembly, wherein the three-jaw assembly comprises a first jaw body, a second jaw body and a third jaw body, the first jaw body, the second jaw body and the third jaw body are respectively provided with a positioning structure, and the positioning structures on the first jaw body, the second jaw body and the third jaw body are respectively inserted between blades in the parts of the revolving body, so that a lathe chuck is ensured to clamp the blade parts through the three-jaw assembly, and the requirement of the profile degree of a product is ensured.
Furthermore, the positions of the positioning structures of the first claw body, the second claw body and the third claw body are respectively arranged corresponding to the blades arranged in the revolving body part, so that the requirement on the profile degree of a product is effectively met.
Furthermore, one side of the first claw body female claw is fixed on a lathe chuck through a screw, the other side of the first claw body female claw is provided with a concave spigot, the first claw body sub-claw is positioned on the concave spigot in a mortise-tenon joint mode and fixedly connected through the screw, the first claw body female claw and the first claw body sub-claw are positioned through a mortise-tenon joint structure, and the first claw body female claw is provided with the concave spigot and is equivalent to a mortise; the first claw body is machined to have fixed thickness, which is equivalent to a tenon, so that the positioning effect is greatly improved.
Furthermore, the end surface of the first claw body claw is set as a positioning end surface for axial positioning of the revolving body part, and a positioning excircle is arranged on the positioning end surface; the positioning excircle is arranged between the blades inserted into the revolving body part, so that the clamping and positioning of the three-jaw component on the revolving body part are improved.
Furthermore, one side of a second claw body female claw is fixed on a lathe chuck through a screw, the other side of the second claw body female claw is provided with a female spigot, a second claw body sub-claw is positioned on the female spigot in a mortise-tenon manner and is fixedly connected through the screw, the second claw body female claw and the second claw body sub-claw are positioned through a mortise-tenon structure, and the second claw body female claw is provided with a female spigot and is equivalent to a mortise; the second claw body is machined to have fixed thickness, which is equivalent to a tenon, so that the positioning effect is greatly improved.
Furthermore, the end face of the second claw body claw is set as a positioning end face and used for axially positioning the revolving body part, and a positioning excircle is arranged on the positioning end face; the positioning excircle is arranged between the blades inserted into the revolving body part 1, so that the clamping and positioning of the three-jaw component on the revolving body part are improved.
Furthermore, one side of a third claw body female claw is fixed on a lathe chuck through a screw, the other side of the third claw body female claw is provided with a female spigot, a third claw body sub-claw is positioned on the female spigot in a mortise-tenon manner and is fixedly connected through the screw, the third claw body female claw and the third claw body sub-claw are positioned through a mortise-tenon structure, and the third claw body female claw is provided with the female spigot and is equivalent to a mortise; the third jaw body is machined to have fixed thickness, which is equivalent to a tenon, so that the positioning effect is greatly improved.
Furthermore, the end face of the third claw body sub-claw is set as a positioning end face for axial positioning of the revolving body part, and a positioning excircle is arranged on the positioning end face; the positioning excircle is arranged between the blades inserted into the revolving body part, so that the clamping and positioning of the three-jaw component on the revolving body part are improved.
Drawings
FIG. 1 is a schematic structural view of a clamping part according to the present invention;
FIG. 2 is a front view of the structure of the clamping part of the present invention;
FIG. 3 is a schematic view of a first jaw body of the three-jaw assembly according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second jaw body of the three-jaw assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third jaw body of the three-jaw assembly according to the embodiment of the utility model.
In the figure: 1-a solid of revolution part; 2-a blade; 3-a three-jaw assembly; 31-a first jaw body; 32-a second jaw body; 33-a third jaw body; 311-first jaw body sub-jaws; 312-first jaw body female jaw; 321-a second jaw body sub-jaw; 322-second jaw body female jaw; 331-third jaw body sub-jaws; 332-third jaw body female jaw.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
The utility model provides a clamping structure for processing blade parts, which comprises a three-jaw component 3 fixedly mounted on a lathe chuck and a revolving body part 1 clamped on the three-jaw component 3, wherein the three-jaw component 3 comprises a first jaw body 31, a second jaw body 32 and a third jaw body 33; the first claw body 31, the second claw body 32 and the third claw body 33 are distributed at 120 degrees; the first claw body 31, the second claw body 32 and the third claw body 33 are respectively provided with a positioning structure; the revolving body part 1 is internally provided with a plurality of blades 2 in an annular mode, and the positioning structures on the first claw body 31, the second claw body 32 and the third claw body 33 are respectively inserted among the blades 2 in the revolving body part 1, so that the clamping structure of the blade parts is realized.
The positions of the positioning structures of the first claw body 31, the second claw body 32, and the third claw body 33 are provided corresponding to the blades provided in the rotor component 1, respectively.
Since the number of blades in the rotary body part 1 cannot be divided by three, the male and female claws of the first claw body 31, the second claw body 32, and the third claw body 33 are independent structures, and interference with the blade structure of the rotary body part 1 is prevented.
The first claw body 31 comprises a first claw body sub-claw 311 and a first claw body female claw 312, one side of the first claw body female claw 312 is fixed on a lathe chuck through a screw, a concave spigot is arranged on the other side of the first claw body female claw 312, and the first claw body sub-claw 311 is positioned on the concave spigot in a mortise-tenon mode and is fixedly connected through the screw.
The end surface of the first claw body sub-claw 311 is set as a positioning end surface for axial positioning of the revolving body part 1, and a positioning excircle is arranged on the positioning end surface; the positioning excircle is inserted between the blades 2 in the revolving body part 1.
The second claw body 32 comprises a second claw body sub-claw 321 and a second claw body female claw 322, one side of the second claw body female claw 322 is fixed on a lathe chuck through a screw, a concave spigot is arranged on the other side of the second claw body female claw 322, and the second claw body sub-claw 321 is positioned on the concave spigot in a mortise-tenon joint mode and fixedly connected through the screw.
The end face of the second claw body sub-claw 321 is a positioning end face for axial positioning of the revolving body part 1, and a positioning excircle is arranged on the positioning end face; the positioning excircle is inserted between the blades 2 in the revolving body part 1.
The third claw body 33 comprises a third claw body sub-claw 331 and a third claw body female claw 332, one side of the third claw body female claw 332 is fixed on a lathe chuck through a screw, a female spigot is arranged on the other side of the third claw body female claw 332, and the third claw body sub-claw 331 is positioned on the female spigot in a mortise-tenon mode and is fixedly connected through the screw.
The end face of the third claw body sub-claw 331 is set as a positioning end face for axial positioning of the revolving body part 1, and a positioning excircle is arranged on the positioning end face; the positioning excircle is inserted between the blades 2 in the revolving body part 1.
In the clamping structure for processing the blade parts, the three-jaw component 3 and the blade 2 are positioned in the same mould component, and the inner cavity profile with the material flow speed basically consistent in the casting process is positioned and clamped; the adopted machining scheme is as follows: the first procedure is that the end face of the three-jaw component 3 positions the revolving body part 1, so that the revolving body part 1 is axially positioned, a positioning structure on the three-jaw component 3 clamps the contour of the inner cavity of the revolving body part 1, and the end face and the inner hole are turned; and the second procedure is to position and clamp the machined inner hole and turn the end face and the excircle at the other end. Compared with the traditional machining scheme, the blank blade has small tolerance relative to the profile tolerance of the inner cavity in the scheme, the tolerance in the machining process is small, and the two are accumulated to ensure the profile tolerance requirement of the product.
The connection of the female claw and the male claw in each of the first claw body 31, the second claw body 32 and the third claw body 33 uses a mortise and tenon joint structure, and the female claw is provided with a concave spigot and is equivalent to a mortise; the sub-claws are processed to have a fixed thickness, which is equivalent to a tenon. The periphery is positioned by mortise and tenon joints, the radial direction is positioned by planes of the primary claws and the secondary claws, and the primary claws and the secondary claws are connected and fixed by screws.
Examples
The positioning structure of the first claw body 31 is arranged in the middle, as shown in fig. 3, the positioning structures of the second claw body 32 and the third claw body 33 are respectively arranged on two sides, as shown in fig. 4 and 5, first, the sub-claws of the first claw body 31, the second claw body 32 and the third claw body 33 are respectively arranged on the corresponding female claws, and the tenon-and-mortise structures are positioned and fastened through screw connection; then the first claw body 31, the second claw body 32 and the third claw body 33 are sequentially arranged on a chuck of a lathe strictly in a clockwise order; finally, the end face and the excircle of the turning sub-claw are mounted, so that the end face of the clamp can jump, and the positioning clamping excircle can jump relative to the main shaft of the machine tool; and aligning the three sub-claws to the gap of the blade, clamping the part and processing.
Claims (8)
1. The clamping structure for machining blade parts is characterized by comprising a three-jaw component (3) fixedly mounted on a lathe chuck and a revolving body part (1) clamped on the three-jaw component (3), wherein the three-jaw component (3) comprises a first jaw body (31), a second jaw body (32) and a third jaw body (33); the first claw body (31), the second claw body (32) and the third claw body (33) are distributed at 120 degrees; the first claw body (31), the second claw body (32) and the third claw body (33) are respectively provided with a positioning structure; a plurality of blades (2) are annularly arranged in the revolving body part (1), and positioning structures on the first claw body (31), the second claw body (32) and the third claw body (33) are respectively inserted between the blades (2) in the revolving body part (1) to realize the clamping structure of the blade parts.
2. The clamping structure for machining blade parts according to claim 1, wherein the positions of the positioning structures of the first claw body (31), the second claw body (32) and the third claw body (33) are respectively arranged corresponding to the blades arranged in the revolving body part (1).
3. The clamping structure for machining blade type parts according to claim 1, wherein the first claw body (31) comprises a first claw body sub-claw (311) and a first claw body female claw (312), one side of the first claw body female claw (312) is fixed on a lathe chuck through a screw, a female spigot is arranged on the other side of the first claw body female claw (312), and the first claw body sub-claw (311) is positioned on the female spigot in a mortise and tenon mode and is fixedly connected through the screw.
4. The clamping structure for machining blade parts according to claim 3, wherein the end face of the first claw body claw (311) is a positioning end face and is used for axially positioning a revolving body part (1), and a positioning excircle is arranged on the positioning end face; the positioning excircle is inserted between the blades (2) in the revolving body part (1).
5. The clamping structure for machining blade parts according to claim 1, wherein the second claw body (32) comprises a second claw body sub-claw (321) and a second claw body female claw (322), one side of the second claw body female claw (322) is fixed on a lathe chuck through screws, a female spigot is arranged on the other side of the second claw body female claw (322), and the second claw body sub-claw (321) is positioned on the female spigot in a mortise-tenon mode and fixedly connected through screws.
6. The clamping structure for machining blade parts according to claim 5, wherein the end face of the second claw body claw (321) is a positioning end face and is used for axially positioning a revolving body part (1), and a positioning excircle is arranged on the positioning end face; the positioning excircle is inserted between the blades (2) in the revolving body part (1).
7. The clamping structure for machining blade type parts according to claim 1, wherein the third claw body (33) comprises a third claw body sub-claw (331) and a third claw body female claw (332), one side of the third claw body female claw (332) is fixed on a lathe chuck through screws, a female spigot is arranged on the other side of the third claw body female claw (332), and the third claw body sub-claw (331) is located on the female spigot in a mortise-tenon mode and is fixedly connected through screws.
8. The clamping structure for machining blade parts according to claim 7, wherein the end face of the third claw body claw (331) is a positioning end face for axial positioning of the revolving body part (1), and a positioning outer circle is arranged on the positioning end face; the positioning excircle is inserted between the blades (2) in the revolving body part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120603773.4U CN215845784U (en) | 2021-03-24 | 2021-03-24 | Clamping structure for machining blade parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120603773.4U CN215845784U (en) | 2021-03-24 | 2021-03-24 | Clamping structure for machining blade parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845784U true CN215845784U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120603773.4U Active CN215845784U (en) | 2021-03-24 | 2021-03-24 | Clamping structure for machining blade parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845784U (en) |
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2021
- 2021-03-24 CN CN202120603773.4U patent/CN215845784U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230714 Address after: No. 116, Wenxing Road, Qindu District, Xianyang, Shaanxi 712099 Patentee after: Shaanxi Fashte Intelligent Brake System Co.,Ltd. Address before: 710119 No. 129 West Road, Changan Industrial Park, Xi'an high tech Zone, Shaanxi Patentee before: SHAANXI FAST AUTO DRIVE Group Co. |
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| TR01 | Transfer of patent right |