CN219254156U - Open piston ring class part excircle clamping frock - Google Patents
Open piston ring class part excircle clamping frock Download PDFInfo
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- CN219254156U CN219254156U CN202222688799.0U CN202222688799U CN219254156U CN 219254156 U CN219254156 U CN 219254156U CN 202222688799 U CN202222688799 U CN 202222688799U CN 219254156 U CN219254156 U CN 219254156U
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Abstract
The utility model provides an excircle clamping tool for an opening piston ring type part, belongs to the technical field of clamping and positioning of the opening piston ring type part, and can realize accurate and rapid alignment of the opening piston ring type part. According to the utility model, a clamping thought that the inner hole of the opening piston ring part is uniformly stressed and automatically aligned and positioned is adopted, the inner hole of the opening piston ring part is fixed through the convex cylindrical surface on the positioning shaft, meanwhile, the end face of the opening piston ring part is pressed through the annular boss on the pressing boss, and the fastening is respectively carried out from the axial direction and the radial direction, so that the deformation problem generated in the clamping process and the dimensional precision problem generated by micro rotation in the cutting process are avoided to the greatest extent, the alignment and installation are not needed, the production preparation time is shortened, and the production efficiency is improved. Meanwhile, the utility model can also process the opening piston ring parts with different specifications by replacing the positioning shaft and the pressing boss.
Description
Technical Field
The utility model belongs to the technical field of part machining, and relates to an excircle clamping tool for an opening piston ring type part.
Background
In the processing field of open piston ring parts, mainly processing by a horizontal lathe and a numerical control lathe, a grinding machine is also needed, wherein the roughness requirement is high. After rough machining of the open piston ring type part, the surface of the part is provided with an opening, so that inconvenience is brought to the alignment machining of the finish machining excircle in the next working procedure, the open piston ring type part is easy to rotate in the clamping process, the machining precision is reduced, and the open piston ring type part is structurally shown in figure 1.
The traditional processing and clamping mode of the excircle of the opening piston ring type part is as follows: and expanding an inner hole of the part by using a soft claw of a lathe, leveling the end surface, and then processing an outer circle. In the clamping process, the contact area between the inner hole of the opening piston ring type part and the soft claw of the lathe is small, and when the end face is pressed, the part is easy to slightly rotate, and the part needs to be clamped again, so that the surface quality is influenced; the piston ring is provided with an opening, so that the part is deformed and becomes elliptical due to the excessive strength of the soft claw of the lathe, and the turning is extremely easy to cause waste; and each opening piston ring part needs to be aligned once to be processed, so that the production efficiency is reduced.
Disclosure of Invention
In order to achieve the purpose, the utility model provides the open piston ring part excircle clamping tool, improves the conventional clamping mode of the open piston ring part, avoids the problem that the open piston ring part is deformed due to uneven stress in the clamping process and the dimensional accuracy is affected by slight rotation of the part, has simple and convenient clamping mode, improves the processing precision and improves the processing efficiency of operators.
The utility model adopts the technical scheme that:
the utility model provides an open piston ring class part excircle clamping frock, the frock includes locating shaft 1, compresses tightly boss 2, fastening screw 3, fastening nut 4 and locking gasket 5. The positioning shaft 1 is a stepped shaft, the outer diameter of the small-diameter end of the positioning shaft is matched with the inner diameter of the opening piston ring part 6, the positioning shaft is used for sleeving the opening piston ring part 6, a groove is formed along the circumference at the joint of the small-diameter end and the large-diameter end, the opening piston ring part 6 is conveniently sleeved, an axial round blind hole is formed in the end face of the small-diameter end, and an internal thread is formed in the round blind hole; the compressing boss 2 is a cylinder with a through hole in the axial direction, an internal thread is formed in the through hole, an annular boss is formed on the end face of one end of the internal thread along the edge, the inner diameter of the annular boss is matched with the outer diameter of the small-diameter end of the positioning shaft 1, the compressing boss is used for clamping an opening piston ring part 6 sleeved at the small-diameter end of the positioning shaft 1 between the annular boss and the end face of the large-diameter end of the positioning shaft 1, and simultaneously, the opening piston ring part 6 automatically positions the center under the combined action of the small-diameter end of the positioning shaft 1, the groove and the annular boss of the compressing boss 2; the fastening screw 3 is screwed into the through hole of the compression boss 2 and the round blind hole of the positioning shaft 1 in sequence and is locked on the compression boss 2 by the fastening nut 4, the end face of the large diameter end of the positioning shaft 1 and the annular boss pressure of the compression boss 2 are gradually increased under the action of the fastening screw 3 and the fastening nut 4, and the outer wall of the small diameter section of the positioning shaft 1, the end face of the large diameter end of the positioning shaft 1 and the annular boss of the compression boss 2 lock the opening piston ring type part 6 to generate clamping force; and an anti-loose gasket 5 is arranged between the fastening nut 4 and the compaction boss 2 and used for improving the fitting degree of the opening piston ring part 6 and the tool, thereby improving the machining precision.
The using process of the tool is as follows:
(1) And installing the opening piston ring part 6 on the small-diameter section of the positioning shaft 1.
(2) One side of the annular boss of the pressing boss 2 is sleeved on the small-diameter end of the positioning shaft 1, so that the annular boss is attached to one side end face of the opening piston ring part 6.
(3) The fastening screw 3 is screwed into the threaded holes of the pressing boss 2 and the positioning shaft 1, and then the anti-loose washer 5 and the fastening nut 4 are sequentially installed on the fastening screw 3.
(4) And adjusting and tightening the fastening nut 4 to finish the alignment and clamping of the opening piston ring type part 6.
(5) And (3) installing the tool for clamping the open piston ring part 6 on a lathe, and detaching the tool from the lathe after the machining work is finished.
The utility model has the beneficial effects that:
(1) The utility model adopts the clamping thought that the inner holes of the opening piston ring type parts are uniformly stressed and automatically aligned and positioned, thereby effectively avoiding the problems of machining errors and the like caused by the slight rotation of the parts due to the deformation of the uneven stress of the clamping. The annular boss is used for pressing the end face of the opening piston ring type part, so that the clamping effect of the opening piston ring type part is further improved, alignment and installation are not needed, the production preparation time is shortened, and the production efficiency is improved.
(2) Compared with the traditional clamping mode, the soft claw clamping device replaces the traditional lathe for clamping the parts, and is more efficient and convenient.
(3) The utility model not only can be used for lathe processing, but also can be installed on a grinding machine to become a positioning tool when the dimensional precision of the opening piston ring type part is higher or the surface roughness is higher, thereby realizing the multi-work use of one set of tool.
Drawings
FIG. 1 is a schematic diagram of an open piston ring type part.
FIG. 2 is a cross-sectional view of an open piston ring type part outer circle clamping tool.
FIG. 3 is a three-dimensional view of the open piston ring part outer circle clamping tool.
In the figure: 1, positioning a shaft; 2, compacting the boss; 3, fastening a screw; 4, fastening a nut; 5, an anti-loose gasket; 6 open piston ring parts.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and technical schemes.
Examples
The specific implementation mode and the steps of the utility model are as follows:
an excircle clamping tool for an opening piston ring part is shown in a three-dimensional view of the excircle clamping tool in fig. 3, and comprises a positioning shaft 1, a compression boss 2, a fastening screw 3, a fastening nut 4 and a locking gasket 5, wherein the three-dimensional view is shown in fig. 2. The positioning shaft 1 is a stepped shaft, the outer diameter of the small-diameter end of the positioning shaft is matched with the inner diameter of the opening piston ring part 6, the positioning shaft is used for sleeving the opening piston ring part 6, a groove is formed along the circumference at the joint of the small-diameter end and the large-diameter end, the opening piston ring part 6 is conveniently sleeved, an axial round blind hole is formed in the end face of the small-diameter end, and an internal thread is formed in the round blind hole; the compressing boss 2 is a cylinder with a through hole in the axial direction, an internal thread is formed in the through hole, an annular boss is formed on the end face of one end of the internal thread along the edge, the inner diameter of the annular boss is matched with the outer diameter of the small-diameter end of the positioning shaft 1, the compressing boss is used for clamping an opening piston ring part 6 sleeved at the small-diameter end of the positioning shaft 1 between the annular boss and the end face of the large-diameter end of the positioning shaft 1, and simultaneously, the opening piston ring part 6 automatically positions the center under the combined action of the small-diameter end of the positioning shaft 1, the groove and the annular boss of the compressing boss 2; the fastening screw 3 penetrates through the through hole of the compression boss 2 and is screwed into the round blind hole of the positioning shaft 1, and is locked on the compression boss 2 by the fastening nut 4, so that the pressure of the large-diameter end face of the positioning shaft 1 and the annular boss of the compression boss 2 is gradually increased under the action of the fastening screw 3 and the fastening nut 4, and the outer wall of the small-diameter section of the positioning shaft 1, the large-diameter end face of the positioning shaft 1 and the annular boss of the compression boss 2 lock the opening piston ring type part 6 to generate clamping force; and an anti-loose gasket 5 is arranged between the fastening nut 4 and the compaction boss 2 and used for improving the fitting degree of the opening piston ring part 6 and the tool, thereby improving the machining precision.
The using process of the tool is as follows:
(1) And installing the opening piston ring part 6 on the small-diameter section of the positioning shaft 1.
(2) One side of the annular boss of the pressing boss 2 is sleeved on the small-diameter end of the positioning shaft 1, so that the annular boss is attached to one side end face of the opening piston ring part 6.
(3) The fastening screw 3 is screwed into the threaded holes of the positioning shaft 1 and the pressing boss 2, and then the anti-loose washer 5 and the fastening nut 4 are sequentially installed on the fastening screw 3.
(4) And adjusting and tightening the fastening nut 4 to finish the alignment and clamping of the opening piston ring type part 6.
(5) And (3) installing the tool for clamping the open piston ring part 6 on a lathe, and detaching the tool from the lathe after the machining work is finished.
The examples described above represent only embodiments of the utility model and are not to be understood as limiting the scope of the utility model, it being understood that variations and modifications can be made by those skilled in the art without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (3)
1. The outer circle clamping tool for the open piston ring type parts is characterized by comprising a positioning shaft (1), a compression boss (2), a fastening screw (3) and a fastening nut (4);
the positioning shaft (1) is a stepped shaft, the outer diameter of the small-diameter end of the positioning shaft is matched with the inner diameter of the opening piston ring type part (6) and is used for sleeving the opening piston ring type part (6), the end face of the small-diameter end is provided with an axial round blind hole, and the round blind hole is provided with an internal thread; the compressing boss (2) is a cylinder with a through hole in the axial direction, an internal thread is formed in the through hole, an annular boss is formed on the end face of one end of the internal thread along the edge, the inner diameter of the annular boss is matched with the outer diameter of the small-diameter end of the positioning shaft (1), the compressing boss is used for clamping an opening piston ring part (6) sleeved at the small-diameter end of the positioning shaft (1) between the annular boss and the end face of the large-diameter end of the positioning shaft (1), and simultaneously, the opening piston ring part (6) automatically positions the center under the combined action of the small-diameter end of the positioning shaft (1) and the annular boss of the compressing boss (2); the fastening screw (3) is screwed into the through hole of the compression boss (2) and the round blind hole of the positioning shaft (1) in sequence, and is locked on the compression boss (2) by the fastening nut (4), so that the outer wall of the small-diameter section of the positioning shaft (1), the end face of the large-diameter end of the positioning shaft (1) and the annular boss of the compression boss (2) generate clamping force on the open piston ring part (6).
2. The open piston ring part excircle clamping tool according to claim 1 is characterized in that a groove is formed along the circumference at the joint of the small-diameter end and the large-diameter end of the positioning shaft (1) so as to facilitate the sleeving of the open piston ring part (6).
3. The open piston ring part excircle clamping tool according to claim 1 is characterized in that a locking gasket (5) is arranged between the fastening nut (4) and the compression boss (2) in a cushioning manner and is used for improving machining precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222688799.0U CN219254156U (en) | 2022-10-13 | 2022-10-13 | Open piston ring class part excircle clamping frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222688799.0U CN219254156U (en) | 2022-10-13 | 2022-10-13 | Open piston ring class part excircle clamping frock |
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| Publication Number | Publication Date |
|---|---|
| CN219254156U true CN219254156U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222688799.0U Active CN219254156U (en) | 2022-10-13 | 2022-10-13 | Open piston ring class part excircle clamping frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116765434A (en) * | 2023-08-21 | 2023-09-19 | 成都爱乐达航空制造股份有限公司 | Clamping tool for machining outer circle of opening expansion ring for aviation and machining method of clamping tool |
-
2022
- 2022-10-13 CN CN202222688799.0U patent/CN219254156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116765434A (en) * | 2023-08-21 | 2023-09-19 | 成都爱乐达航空制造股份有限公司 | Clamping tool for machining outer circle of opening expansion ring for aviation and machining method of clamping tool |
| CN116765434B (en) * | 2023-08-21 | 2023-11-10 | 成都爱乐达航空制造股份有限公司 | Clamping tool for machining outer circle of opening expansion ring for aviation and machining method of clamping tool |
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