CN212169674U - Clamping device of thin-wall shell - Google Patents
Clamping device of thin-wall shell Download PDFInfo
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- CN212169674U CN212169674U CN202020679105.5U CN202020679105U CN212169674U CN 212169674 U CN212169674 U CN 212169674U CN 202020679105 U CN202020679105 U CN 202020679105U CN 212169674 U CN212169674 U CN 212169674U
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- shell
- fixed shaft
- disc
- leaning
- thin
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Abstract
The utility model discloses a thin-walled casing's clamping device, for solving prior art, add the technical problem of the machining efficiency low that exists, the difficult assurance of precision man-hour to thin-walled tube-shape casing work piece, the technical scheme of the utility model as follows: comprises a supporting seat, a fixed shaft, a leaning disc, a pressing disc and a locking nut; one end of the fixed shaft penetrates through the leaning disc and is fixedly connected with the leaning disc, threads matched with the locking nut are arranged on the outer portion of the other end of the fixed shaft, a mounting hole matched with the fixed shaft is formed in the middle of the pressing disc, and clamping grooves used for clamping and fixing the fixed shaft are formed in two sides of the supporting seat; the shell to be fixed is sleeved outside the fixed shaft, one end port of the shell is abutted to the leaning disc, the locking nut is in threaded connection with the fixed shaft penetrating through the pressing disc so as to press the other end port of the shell by the pressing disc, and the installed shell is fixed on the supporting seat through the fixed shaft and the clamping groove.
Description
Technical Field
The utility model relates to the technical field of machining, especially, relate to a clamping device of thin-walled shell.
Background
In the machining industry, the machining of cylindrical shells and thin-wall workpieces is always a difficult problem. The thin wall of the product is not easy to clamp, so that the roundness, the punching size, the position precision and the like of the cylinder body are difficult to guarantee when the external part of the product is machined, and the product cannot be clamped once to complete all machining procedures, and frequent disassembly and assembly are required, so that the problems of reduced machining efficiency, increased machining difficulty, difficult precision guarantee and the like are caused.
SUMMERY OF THE UTILITY MODEL
For solving prior art, the machining efficiency who exists is low, the difficult technical problem who guarantees of precision man-hour to thin wall tube-shape casing work piece, the technical scheme of the utility model as follows:
the utility model relates to a clamping device of a thin-wall shell, which comprises a supporting seat, a fixed shaft, a leaning disc, a pressing disc and a locking nut; one end of the fixed shaft penetrates through the leaning disc and is fixedly connected with the leaning disc, threads matched with the locking nut are arranged on the outer portion of the other end of the fixed shaft, a mounting hole matched with the fixed shaft is formed in the middle of the pressing disc, and clamping grooves used for clamping and fixing the fixed shaft are formed in two sides of the supporting seat; the shell to be fixed is sleeved outside the fixed shaft, one end port of the shell is abutted to the leaning disc, the locking nut is in threaded connection with the fixed shaft penetrating through the pressing disc so as to press the other end port of the shell by the pressing disc, and the installed shell is fixed on the supporting seat through the fixed shaft and the clamping groove.
Further, the opposite sides of the leaning disc and the pressing disc are provided with circular grooves, and the groove widths of the circular grooves correspond to the wall thickness of the shell.
Furthermore, the thread opening end of the fixed shaft is provided with a limiting ring, and the limiting length formed between the limiting ring and the leaning disc corresponds to the length of the shell with the fixing function.
Further, the supporting seat comprises a bottom plate and supports fixed on two sides of the bottom plate, the clamping groove is formed in the upper portion of each support, and the pressing plate is installed at the notch through bolts.
Furthermore, the clamping groove is semicircular, and the width of the clamping groove is 0.01-0.02mm larger than the outer diameter of the fixing shaft.
Furthermore, the support is provided with a positioning hole, the leaning disc and the pressing disc are uniformly provided with a plurality of positioning grooves along the circumferential direction of the leaning disc and the pressing disc, and the leaning disc and the pressing disc penetrate through the positioning hole and the positioning grooves through pins to fix the rotation angle of the shell.
The utility model provides a clamping device of thin-walled shell, compared with the prior art, its beneficial effect is:
the utility model provides a clamping device of thin-walled shell uses this device clamping casing, and the casing indeformable and the clamping is stable, and then makes the processing size precision high, and the roughness of machined surface is good, and a clamping just constitutes the whole of clamping subassembly simultaneously, carries out a lot of repetition location through overall structure, the processing of being convenient for, and relative size precision is high, and the size is stable, and the uniformity is good.
Drawings
Fig. 1 is an exploded view of a clamping device for a middle thin-walled shell of the present invention;
fig. 2 is an assembly view of the clamping device for the middle thin-wall shell of the utility model.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the clamping device for a thin-walled shell in the present invention comprises a supporting seat, a fixed shaft 2, a leaning plate 3, a pressing plate 4 and a locking nut 5; one end of the fixed shaft 2 penetrates through the leaning disc 3 and is fixedly connected with the leaning disc 3, the outer part of the other end of the fixed shaft is provided with threads matched with the locking nut 5, the middle part of the pressing disc 4 is provided with a mounting hole matched with the fixed shaft 2, and two sides of the supporting seat are provided with clamping grooves 11 used for clamping and fixing the fixed shaft 2; the shell 6 to be fixed is sleeved outside the fixed shaft 2, one end port of the shell abuts against the leaning disc 3, the locking nut 5 is in threaded connection with the fixed shaft 2 penetrating through the pressing disc 4 so as to tightly press the other end port of the shell 6 by the pressing disc 4, and the installed shell 6 is fixed on the supporting seat through the fixed shaft 2 and the clamping groove 11. The workpiece is locked by the leaning disc 3 and the pressing disc 4, and the reference of the whole workpiece is transferred between the leaning disc 3 and the pressing disc 4 without loss and is connected into the precise clamping grooves 11 of the left support 10 and the right support 10.
The opposite sides of the positioning plate 3 and the pressing plate 4 are provided with circular grooves, the groove width of the circular grooves corresponds to the wall thickness of the shell 6, and the diameter of the circular grooves also corresponds to the diameter of the shell 6. The circular groove facilitates the positioning of the housing 6 to be machined on the positioning disk 3 and the pressing disk 4.
The thread of the fixed shaft 2 can have the effect of setting the position where the thread stops as a limit region, so that the locking nut 5 can only be locked thereto, and the locking nut 5 is prevented from being screwed too deep, resulting in the housing 6 being extruded and deformed by the pressing disc 4. Or the thread opening end of the fixed shaft 2 is provided with a limiting ring 9, the limiting length formed between the limiting ring 9 and the leaning disc 3 corresponds to the length of the shell 6 with the fixing function, and the limiting ring 9 prevents the pressing disc 4 from excessively pressing the shell 6.
The supporting seat comprises a bottom plate 1 and supporting seats 10 fixed on two sides of the bottom plate 1, a clamping groove 11 is formed in the upper portions of the supporting seats 10, a pressing plate 12 is installed at the position of a notch through a bolt, and the pressing plate 12 is used for pressing the fixing shaft 2 tightly. The clamping groove 11 is semicircular in shape, and the width of the clamping groove is 0.01-0.02mm larger than the outer diameter of the fixed shaft 2.
The support 10 is provided with a positioning hole 7, the leaning disc 3 and the pressing disc 4 are uniformly provided with a plurality of positioning grooves 8 along the circumferential direction, and the pins penetrate through the positioning hole 7 and the positioning grooves 8 to fix the rotation angle of the shell 6.
The utility model discloses a use as follows:
1. the shell 6 is sleeved into the fixed shaft 2, the end opening is positioned through the circular groove, the end face is attached to the abutting disc 3, the other end is provided with the pressing disc 4, the circular groove is positioned in the same way, and the end face is attached to the pressing disc 4. And (4) installing a locking nut 5 and screwing the locking nut by using a special spanner to form a locking assembly of the shell 6.
2. The left support 10 and the right support 10 are fixed on the bottom plate 1, and the width of the clamping groove 11 on the left support 10 and the right support 10 is ensured to be larger than the outer diameter of two ends of the fixed shaft 2 by 0.01-0.02 mm.
3. The locking component of the shell 6 is arranged in the clamping grooves 11 of the left support 10 and the right support 10, so that the components can rotate and tightly attach to the right support 10. And inserting a pin on the outer side surface of the right support 10, positioning the angle, and locking a locking screw.
4. The left and right pressing plates 12 are pressed. And a horizontal left group of holes and a horizontal right group of holes are machined, and the horizontal machining center rotates 180 degrees to penetrate through the holes from opposite sides, so that the straightness of the penetrated holes is ensured. And processing notches in two directions of 90 degrees and 270 degrees to ensure the relative positions of the notches and the deep holes.
5. And (3) loosening the two pressing plates 12, extracting the pin, loosening the locking screw, rotating the locking assembly of the shell 6 by 120 degrees, inserting the pin again, locking the locking screw, pressing the left pressing plate 12 and the right pressing plate 12, and processing a second group of holes. And rotating the cylinder by 120 degrees, and processing a third angle. And finishing the processing of the workpiece.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A clamping device for a thin-wall shell is characterized by comprising a supporting seat, a fixed shaft, a leaning disc, a pressing disc and a locking nut; one end of the fixed shaft penetrates through the leaning disc and is fixedly connected with the leaning disc, threads matched with the locking nut are arranged on the outer portion of the other end of the fixed shaft, a mounting hole matched with the fixed shaft is formed in the middle of the pressing disc, and clamping grooves used for clamping and fixing the fixed shaft are formed in two sides of the supporting seat; the shell to be fixed is sleeved outside the fixed shaft, one end port of the shell is abutted to the leaning disc, the locking nut is in threaded connection with the fixed shaft penetrating through the pressing disc so as to press the other end port of the shell by the pressing disc, and the installed shell is fixed on the supporting seat through the fixed shaft and the clamping groove.
2. The clamping device for the thin-walled shell as claimed in claim 1, wherein the opposite sides of the leaning disc and the pressing disc are provided with circular grooves, and the groove width of the circular grooves corresponds to the wall thickness of the shell.
3. The thin-walled shell clamping device according to claim 2, wherein the threaded end of the fixing shaft is provided with a limiting ring, and the limiting length formed between the limiting ring and the leaning disc corresponds to the length of the shell with the fixing function.
4. The clamping device for the thin-walled shell as claimed in claim 3, wherein the supporting base comprises a bottom plate and supporting bases fixed on two sides of the bottom plate, the clamping groove is formed in the upper portion of each supporting base, and the pressing plate is mounted at the notch through bolts.
5. The clamping device for the thin-walled shell as claimed in claim 4, wherein the clamping groove is semicircular and has a width greater than the outer diameter of the fixing shaft by 0.01-0.02 mm.
6. The clamping device for the thin-walled shell as claimed in claim 5, wherein the supporting seat is provided with a positioning hole, the leaning tray and the pressing tray are provided with a plurality of positioning grooves along the circumferential direction, and a pin passes through the positioning hole and the positioning grooves to fix the rotation angle of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020679105.5U CN212169674U (en) | 2020-04-28 | 2020-04-28 | Clamping device of thin-wall shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020679105.5U CN212169674U (en) | 2020-04-28 | 2020-04-28 | Clamping device of thin-wall shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212169674U true CN212169674U (en) | 2020-12-18 |
Family
ID=73765478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020679105.5U Active CN212169674U (en) | 2020-04-28 | 2020-04-28 | Clamping device of thin-wall shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212169674U (en) |
-
2020
- 2020-04-28 CN CN202020679105.5U patent/CN212169674U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A clamping device for thin-walled shells Effective date of registration: 20230609 Granted publication date: 20201218 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: XI'AN JUNCHENG PRECISION MANUFACTURING Co.,Ltd. Registration number: Y2023980043574 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |