CN214443559U - Non-circular annular thin-walled workpiece clamping tool - Google Patents
Non-circular annular thin-walled workpiece clamping tool Download PDFInfo
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- CN214443559U CN214443559U CN202023138616.5U CN202023138616U CN214443559U CN 214443559 U CN214443559 U CN 214443559U CN 202023138616 U CN202023138616 U CN 202023138616U CN 214443559 U CN214443559 U CN 214443559U
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- ring pressing
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Abstract
The utility model relates to a non-circular annular thin wall spare clamping frock is equipped with outer loop clamp plate district and inner ring clamp plate district on the frock bottom plate, has placed the inner ring clamp plate in the inner ring clamp plate district, and the outer circumference of inner ring clamp plate is equipped with the tensioning piece, fixedly connected with outer loop clamp plate in the outer loop clamp plate district. The non-circular annular thin-walled part is processed on the side wall, vibration cannot be generated in the processing process, the wall thickness of the part is uniformly controlled, the qualification rate is improved, and the conventional vertical compression clamping mode is changed.
Description
Technical Field
The utility model relates to a thin wall spare clamping frock, especially a non-circular annular thin wall spare clamping frock belongs to the numerical control processing field.
Background
The annular thin-walled part is easy to vibrate in the machining process, and the machining precision is low.
The publication No. CN 110774038A discloses a thin-wall special-shaped workpiece fixture, the clamping position of the fixture can be made to be completely wrapped with the outer circle of the thin-wall special-shaped workpiece, so that the thin-wall special-shaped workpiece does not generate elastic deformation, and the fixture is only suitable for processing the inner ring, but not the outer ring.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an annular thin wall spare clamping frock of non-circular, annular thin wall spare of non-circular carries out the lateral wall processing, can not produce in the course of working and vibrate, and part wall thickness control is even, improves the qualification rate, changes and compresses tightly the clamping mode perpendicularly in the past.
For solving the above problems, the specific technical scheme of the utility model is as follows: a non-circular annular thin-walled workpiece clamping tool is provided with an outer ring pressing plate area and an inner ring pressing plate area on a tool bottom plate, an inner ring pressing plate is placed on the inner ring pressing plate area, a tensioning block is arranged on the outer circumference of the inner ring pressing plate, and an outer ring pressing plate is fixedly connected to the outer ring pressing plate area.
The inner ring pressing plate area is sequentially provided with an inner ring pressing plate positioning hole, a guide pillar positioning hole and a tightening block positioning hole from the circle center to the outer circle, the inner ring pressing plate positioning hole is located at the circle center of the inner ring pressing plate area, the guide pillar positioning hole is uniformly distributed along the circumferential direction by taking the inner ring pressing plate positioning hole as the circle center, and the tightening block positioning hole is uniformly distributed along the circumferential direction by taking the inner ring pressing plate positioning hole as the circle center.
The inner ring pressing plate area is fixedly connected with an inner ring pressing plate through a bolt I, guide pillars are uniformly distributed on the circumference of the inner ring pressing plate, and the lower ends of the guide pillars are fixedly connected with guide pillar positioning holes of the inner ring pressing plate area. The inner ring pressing plate is pressed by a bolt I, the guide pillar keeps the inner ring pressing plate parallel to the bottom surface in the falling process, the inner ring pressing plate keeps uniform stress, the force of the inner ring pressing plate pressing the supporting block along with the outer wall is to uniformly press parts all around, the bolt II presses the supporting block along with the outer wall to prevent the parts from upward force, the pressing part of the upper cover pressing plate is fixed on the supporting block along with the outer wall, and the outer ring pressing plate presses an outer blank of the parts and is fixed on the tool bottom plate.
The tightening block is composed of a plurality of detachable parts, each detachable part is provided with a screw hole, a bolt II penetrates through the screw hole, and the lower end of the bolt II is fixedly connected with a tightening block positioning hole in the inner ring pressing plate area.
The outer circumference of the outer ring pressing plate area is provided with grooves which are symmetrically arranged on the opposite outer circumferential surface of the outer ring pressing plate area and used for placing a handheld part of a workpiece to be measured.
The supporting block is fixedly connected with a plurality of upper cover pressing plates through screws, and the upper cover pressing plates press parts to be processed.
A plurality of outer ring press plate positioning holes are uniformly distributed on the outer ring press plate area along the circumferential direction, the outer ring press plate is fixedly connected with the outer ring press plate positioning holes through bolts III,
the clamping surface of the outer annular pressing plate is in a step shape, the position of the outer annular pressing plate corresponds to the position of the upper cover pressing plate, and the clamping surface faces the upper cover pressing plate.
The inner ring pressing plate is a cone frustum, and the center of the inner ring pressing plate is fixedly connected with an inner ring pressing plate positioning hole in the inner ring pressing plate area through a bolt I.
The utility model discloses the beneficial effect who brings does: the supporting block supports the strength part, the side wall of the part is uniformly stressed, and the non-circular annular thin-walled part is positioned and clamped by the device, so that the vibration generated in the machining process is avoided, the machining precision is improved, the labor time of workers is saved, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a non-circular annular thin-walled workpiece clamping tool.
Fig. 2 is a schematic view of a structure of a workpiece to be processed.
FIG. 3 is a schematic view of the fastener block structure.
Fig. 4 is a schematic structural diagram of the inner ring pressing plate.
Fig. 5 is a schematic structural view of an outer ring pressing plate.
Fig. 6 is a schematic structural view of a tooling bottom plate.
Detailed Description
As shown in fig. 1-6, in the non-circular annular thin-wall part clamping tool, an outer ring pressing plate area 7-1 and an inner ring pressing plate area 7-2 are arranged on a tool bottom plate 7, positioning holes are arranged from the circle center to the outer circle on the inner ring pressing plate area 7-2 and are uniformly distributed along the circumference, the outer ring pressing plate area 7-1 is provided with the positioning holes, the outer circumference of the outer ring pressing plate area 7-1 is provided with grooves 7-3, and the grooves 7-3 are symmetrically arranged on the opposite outer circumferential surfaces of the outer ring pressing plate area 7-1 and are used for placing a handheld part of a workpiece to be measured.
The inner ring pressing plate area 7-2 is sequentially provided with an inner ring pressing plate positioning hole 7-2-1, a guide pillar positioning hole 7-2-2 and a tightening block positioning hole 7-2-3 from the circle center to the excircle, one inner ring pressing plate positioning hole 7-2-1 is positioned at the circle center of the inner ring pressing plate area 7-2, the number of the positioning holes 7-2-2 is four, the inner ring pressing plate positioning holes 7-2-1 are uniformly distributed along the circumferential direction by taking the inner ring pressing plate positioning hole 7-2-1 as the circle center, the number of the tightening block positioning holes 7-2-3 is a plurality, and the inner ring pressing plate positioning holes 7-2-1 are uniformly distributed along the circumferential direction by taking the inner ring pressing plate positioning hole 7-2-1 as the circle center.
An inner ring pressing plate 4 is placed on the inner ring pressing plate area 7-2, the inner ring pressing plate 4 is a circular truncated cone, the center of the inner ring pressing plate is fixedly connected with an inner ring pressing plate positioning hole 7-2-1 of the inner ring pressing plate area 7-2 through a bolt I8, guide pillars 5 are uniformly distributed on the circumference of the inner ring pressing plate 4, and the lower ends of the guide pillars 5 are fixedly connected with guide pillar positioning holes 7-2-2 of the inner ring pressing plate area 7-2.
The outer circumference of the inner ring pressing plate 4 is provided with a supporting block 3, the supporting block 3 is composed of a plurality of detachable parts, each detachable part is provided with a screw hole 3-1, a bolt II10 penetrates through the screw hole 3-1, the lower end of the bolt II10 is fixedly connected with a supporting block positioning hole 7-2-3 of the inner ring pressing plate area 7-2, the supporting block 3 is fixedly connected with a plurality of upper cover pressing plates 2 through screws, and the upper cover pressing plates 2 compress parts to be processed to be fixed on the outer circumference of the supporting block 3, so that the parts to be processed are flush with the upper end face of the supporting block 3.
A plurality of outer ring pressing plate positioning holes 7-2-4 are uniformly distributed on the outer ring pressing plate area 7-1 along the circumferential direction, the outer ring pressing plate 6 is fixedly connected with the outer ring pressing plate positioning holes 7-2-4 through bolts III9, the clamping surface of the outer ring pressing plate 6 is in a step shape, the position of the outer ring pressing plate 6 corresponds to the position of the upper cover pressing plate 2, and the clamping surface faces the upper cover pressing plate 2.
The method comprises the steps that a workpiece to be processed is located at the junction of an outer ring pressing plate area 7-1 and an inner ring pressing plate area 7-2, an inner ring pressing plate 4 is fixedly connected with the inner ring pressing plate area 7-2, then all detachable parts of a tensioning block 3 are sequentially placed on the outer circumference of the inner ring pressing plate 4 to support the inner ring of the workpiece to be processed, the tensioning block 3 is fixed with the inner ring pressing plate area 7-2 after the position of the workpiece to be processed is adjusted, finally, an upper cover pressing plate 2 and an appearance pressing plate 6 are fixed, the workpiece to be processed is clamped, and the workpiece to be processed is waited for processing.
What has been described above is merely a preferred embodiment of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and shall be considered as belonging to the protection scope of the present invention.
Claims (9)
1. Non-circular annular thin wall spare clamping frock, its characterized in that: an outer ring pressing plate area (7-1) and an inner ring pressing plate area (7-2) are arranged on the tool bottom plate (7), an inner ring pressing plate (4) is placed on the inner ring pressing plate area (7-2), a tensioning block (3) is arranged on the outer circumference of the inner ring pressing plate (4), and an outer ring pressing plate (6) is fixedly connected to the outer ring pressing plate area (7-1).
2. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: the inner ring pressing plate area (7-2) is sequentially provided with an inner ring pressing plate positioning hole (7-2-1), a guide pillar positioning hole (7-2-2) and a tightening block positioning hole (7-2-3) from the circle center to the excircle, the inner ring pressing plate positioning hole (7-2-1) is located at the circle center of the inner ring pressing plate area (7-2), the guide pillar positioning holes (7-2-2) are uniformly distributed along the circumferential direction by taking the inner ring pressing plate positioning hole (7-2-1) as the circle center, and the tightening block positioning holes (7-2-3) are uniformly distributed along the circumferential direction by taking the inner ring pressing plate positioning hole (7-2-1) as the circle center.
3. The non-circular annular thin-walled workpiece clamping tool according to claim 2, characterized in that: the inner ring pressing plate area (7-2) is fixedly connected with an inner ring pressing plate (4), guide pillars (5) are uniformly distributed on the circumference of the inner ring pressing plate (4), and the lower ends of the guide pillars (5) are fixedly connected with guide pillar positioning holes (7-2-2) of the inner ring pressing plate area (7-2).
4. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: the tightening block (3) is composed of a plurality of detachable parts, each detachable part is provided with a screw hole (3-1), a bolt II (10) penetrates through the screw hole (3-1), and the lower end of the bolt II (10) is fixedly connected with a tightening block positioning hole (7-2-3) of the inner ring pressing plate area (7-2).
5. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: the outer circumference of the outer ring pressing plate area (7-1) is provided with grooves (7-3), and the grooves (7-3) are symmetrically arranged on the opposite outer circumferential surface of the outer ring pressing plate area (7-1) and used for placing a handheld part of a workpiece to be measured.
6. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: the tightening block (3) is fixedly connected with a plurality of upper cover pressing plates (2) through screws, and the upper cover pressing plates (2) tightly press parts to be processed.
7. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: a plurality of outer annular pressing plate positioning holes (7-2-4) are uniformly distributed on the outer annular pressing plate area (7-1) along the circumferential direction, and the outer annular pressing plate (6) is fixedly connected with the outer annular pressing plate positioning holes (7-2-4) through bolts III (9).
8. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: the clamping surface of the outer annular pressing plate (6) is of a step type, the position of the outer annular pressing plate (6) corresponds to the position of the upper cover pressing plate (2), and the clamping surface faces the upper cover pressing plate (2).
9. The non-circular annular thin-walled workpiece clamping tool according to claim 1, characterized in that: the inner ring pressing plate (4) is a cone frustum, and the center of the inner ring pressing plate is fixedly connected with an inner ring pressing plate positioning hole (7-2-1) of the inner ring pressing plate area (7-2) through a bolt I (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023138616.5U CN214443559U (en) | 2020-12-24 | 2020-12-24 | Non-circular annular thin-walled workpiece clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023138616.5U CN214443559U (en) | 2020-12-24 | 2020-12-24 | Non-circular annular thin-walled workpiece clamping tool |
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| Publication Number | Publication Date |
|---|---|
| CN214443559U true CN214443559U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023138616.5U Active CN214443559U (en) | 2020-12-24 | 2020-12-24 | Non-circular annular thin-walled workpiece clamping tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953975A (en) * | 2021-11-25 | 2022-01-21 | 中国航发贵州黎阳航空动力有限公司 | Ring type part location frock |
-
2020
- 2020-12-24 CN CN202023138616.5U patent/CN214443559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953975A (en) * | 2021-11-25 | 2022-01-21 | 中国航发贵州黎阳航空动力有限公司 | Ring type part location frock |
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